/usr/lib/gcc-cross/m68k-linux-gnu/5/adainclude/gnatvsn/einfo.ads is in libgnatvsn5-dev-m68k-cross 5.3.1-14ubuntu2cross1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- E I N F O --
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2015, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with Snames; use Snames;
with Types; use Types;
with Uintp; use Uintp;
with Urealp; use Urealp;
package Einfo is
-- This package defines the annotations to the abstract syntax tree that
-- are needed to support semantic processing of an Ada compilation.
-- Note that after editing this spec and the corresponding body it is
-- required to run ceinfo to check the consistentcy of spec and body.
-- See ceinfo.adb for more information about the checks made.
-- These annotations are for the most part attributes of declared entities,
-- and they correspond to conventional symbol table information. Other
-- attributes include sets of meanings for overloaded names, possible
-- types for overloaded expressions, flags to indicate deferred constants,
-- incomplete types, etc. These attributes are stored in available fields in
-- tree nodes (i.e. fields not used by the parser, as defined by the Sinfo
-- package specification), and accessed by means of a set of subprograms
-- which define an abstract interface.
-- There are two kinds of semantic information
-- First, the tree nodes with the following Nkind values:
-- N_Defining_Identifier
-- N_Defining_Character_Literal
-- N_Defining_Operator_Symbol
-- are called Entities, and constitute the information that would often
-- be stored separately in a symbol table. These nodes are all extended
-- to provide extra space, and contain fields which depend on the entity
-- kind, as defined by the contents of the Ekind field. The use of the
-- Ekind field, and the associated fields in the entity, are defined
-- in this package, as are the access functions to these fields.
-- Second, in some cases semantic information is stored directly in other
-- kinds of nodes, e.g. the Etype field, used to indicate the type of an
-- expression. The access functions to these fields are defined in the
-- Sinfo package, but their full documentation is to be found in
-- the Einfo package specification.
-- Declaration processing places information in the nodes of their defining
-- identifiers. Name resolution places in all other occurrences of an
-- identifier a pointer to the corresponding defining occurrence.
--------------------------------
-- The XEINFO Utility Program --
--------------------------------
-- XEINFO is a utility program which automatically produces a C header file,
-- einfo.h from the spec and body of package Einfo. It reads the input files
-- einfo.ads and einfo.adb and produces the output file einfo.h. XEINFO is run
-- automatically by the build scripts when you do a full bootstrap.
-- In order for this utility program to operate correctly, the form of the
-- einfo.ads and einfo.adb files must meet certain requirements and be laid
-- out in a specific manner.
-- The general form of einfo.ads is as follows:
-- type declaration for type Entity_Kind
-- subtype declarations declaring subranges of Entity_Kind
-- subtype declarations declaring synonyms for some standard types
-- function specs for attributes
-- procedure specs
-- pragma Inline declarations
-- This order must be observed. There are no restrictions on the procedures,
-- since the C header file only includes functions (The back end is not
-- allowed to modify the generated tree). However, functions are required to
-- have headers that fit on a single line.
-- XEINFO reads and processes the function specs and the pragma Inlines. For
-- functions that are declared as inlined, XEINFO reads the corresponding body
-- from einfo.adb, and processes it into C code. This results in some strict
-- restrictions on which functions can be inlined:
-- The function spec must be on a single line
-- There can only be a single statement, contained on a single line,
-- not counting any pragma Assert statements.
-- This single statement must either be a function call with simple,
-- single token arguments, or it must be a membership test of the form
-- a in b, where a and b are single tokens.
-- For functions that are not inlined, there is no restriction on the body,
-- and XEINFO generates a direct reference in the C header file which allows
-- the C code in the backend to directly call the corresponding Ada body.
----------------------------------
-- Handling of Type'Size Values --
----------------------------------
-- The Ada 95 RM contains some rather peculiar (to us) rules on the value
-- of type'Size (see RM 13.3(55)). We have found that attempting to use
-- these RM Size values generally, and in particular for determining the
-- default size of objects, creates chaos, and major incompatibilities in
-- existing code.
-- We proceed as follows, for discrete and fixed-point subtypes, we have
-- two separate sizes for each subtype:
-- The Object_Size, which is used for determining the default size of
-- objects and components. This size value can be referred to using the
-- Object_Size attribute. The phrase "is used" here means that it is
-- the basis of the determination of the size. The backend is free to
-- pad this up if necessary for efficiency, e.g. an 8-bit stand-alone
-- character might be stored in 32 bits on a machine with no efficient
-- byte access instructions such as the Alpha.
-- The default rules for the value of Object_Size for fixed-point and
-- discrete types are as follows:
-- The Object_Size for base subtypes reflect the natural hardware
-- size in bits (see Ttypes and Cstand for integer types). For
-- enumeration and fixed-point base subtypes have 8, 16, 32, or 64
-- bits for this size, depending on the range of values to be stored.
-- The Object_Size of a subtype is the same as the Object_Size of
-- the subtype from which it is obtained.
-- The Object_Size of a derived base type is copied from the parent
-- base type, and the Object_Size of a derived first subtype is copied
-- from the parent first subtype.
-- The Value_Size which is the number of bits required to store a value
-- of the type. This size can be referred to using the Value_Size
-- attribute. This value is used to determine how tightly to pack
-- records or arrays with components of this type, and also affects
-- the semantics of unchecked conversion (unchecked conversions where
-- the Value_Size values differ generate a warning, and are potentially
-- target dependent).
-- The default rule for the value of Value_Size are as follows:
-- The Value_Size for a base subtype is the minimum number of bits
-- required to store all values of the type (including the sign bit
-- only if negative values are possible).
-- If a subtype statically matches the first subtype, then it has
-- by default the same Value_Size as the first subtype. This is a
-- consequence of RM 13.1(14) ("if two subtypes statically match,
-- then their subtype-specific aspects are the same".)
-- All other subtypes have a Value_Size corresponding to the minimum
-- number of bits required to store all values of the subtype. For
-- dynamic bounds, it is assumed that the value can range down or up
-- to the corresponding bound of the ancestor
-- The RM defined attribute Size corresponds to the Value_Size attribute
-- The Size attribute may be defined for a first-named subtype. This sets
-- the Value_Size of the first-named subtype to the given value, and the
-- Object_Size of this first-named subtype to the given value padded up
-- to an appropriate boundary. It is a consequence of the default rules
-- above that this Object_Size will apply to all further subtypes. On the
-- other hand, Value_Size is affected only for the first subtype, any
-- dynamic subtypes obtained from it directly, and any statically matching
-- subtypes. The Value_Size of any other static subtypes is not affected.
-- Value_Size and Object_Size may be explicitly set for any subtype using
-- an attribute definition clause. Note that the use of these attributes
-- can cause the RM 13.1(14) rule to be violated. If two access types
-- reference aliased objects whose subtypes have differing Object_Size
-- values as a result of explicit attribute definition clauses, then it
-- is erroneous to convert from one access subtype to the other.
-- At the implementation level, Esize stores the Object_Size and the
-- RM_Size field stores the Value_Size (and hence the value of the
-- Size attribute, which, as noted above, is equivalent to Value_Size).
-- To get a feel for the difference, consider the following examples (note
-- that in each case the base is short_short_integer with a size of 8):
-- Object_Size Value_Size
-- type x1 is range 0..5; 8 3
-- type x2 is range 0..5;
-- for x2'size use 12; 16 12
-- subtype x3 is x2 range 0 .. 3; 16 2
-- subtype x4 is x2'base range 0 .. 10; 8 4
-- subtype x5 is x2 range 0 .. dynamic; 16 (7)
-- subtype x6 is x2'base range 0 .. dynamic; 8 (7)
-- Note: the entries marked (7) are not actually specified by the Ada 95 RM,
-- but it seems in the spirit of the RM rules to allocate the minimum number
-- of bits known to be large enough to hold the given range of values.
-- So far, so good, but GNAT has to obey the RM rules, so the question is
-- under what conditions must the RM Size be used. The following is a list
-- of the occasions on which the RM Size must be used:
-- Component size for packed arrays or records
-- Value of the attribute Size for a type
-- Warning about sizes not matching for unchecked conversion
-- The RM_Size field keeps track of the RM Size as needed in these
-- three situations.
-- For elementary types other than discrete and fixed-point types, the
-- Object_Size and Value_Size are the same (and equivalent to the RM
-- attribute Size). Only Size may be specified for such types.
-- For composite types, Object_Size and Value_Size are computed from their
-- respective value for the type of each element as well as the layout.
-- All size attributes are stored as Uint values. Negative values are used to
-- reference GCC expressions for the case of non-static sizes, as explained
-- in Repinfo.
--------------------------------------
-- Delayed Freezing and Elaboration --
--------------------------------------
-- The flag Has_Delayed_Freeze indicates that an entity carries an explicit
-- freeze node, which appears later in the expanded tree.
-- a) The flag is used by the front-end to trigger expansion actions which
-- include the generation of that freeze node. Typically this happens at the
-- end of the current compilation unit, or before the first subprogram body is
-- encountered in the current unit. See files freeze and exp_ch13 for details
-- on the actions triggered by a freeze node, which include the construction
-- of initialization procedures and dispatch tables.
-- b) The presence of a freeze node on an entity is used by the backend to
-- defer elaboration of the entity until its freeze node is seen. In the
-- absence of an explicit freeze node, an entity is frozen (and elaborated)
-- at the point of declaration.
-- For object declarations, the flag is set when an address clause for the
-- object is encountered. Legality checks on the address expression only take
-- place at the freeze point of the object.
-- Most types have an explicit freeze node, because they cannot be elaborated
-- until all representation and operational items that apply to them have been
-- analyzed. Private types and incomplete types have the flag set as well, as
-- do task and protected types.
-- Implicit base types created for type derivations, as well as classwide
-- types created for all tagged types, have the flag set.
-- If a subprogram has an access parameter whose designated type is incomplete
-- the subprogram has the flag set.
-----------------------
-- Entity Attributes --
-----------------------
-- This section contains a complete list of the attributes that are defined
-- on entities. Some attributes apply to all entities, others only to certain
-- kinds of entities. In the latter case the attribute should only be set or
-- accessed if the Ekind field indicates an appropriate entity.
-- There are two kinds of attributes that apply to entities, stored and
-- synthesized. Stored attributes correspond to a field or flag in the entity
-- itself. Such attributes are identified in the table below by giving the
-- field or flag in the attribute that is used to hold the attribute value.
-- Synthesized attributes are not stored directly, but are rather computed as
-- needed from other attributes, or from information in the tree. These are
-- marked "synthesized" in the table below. The stored attributes have both
-- access functions and set procedures to set the corresponding values, while
-- synthesized attributes have only access functions.
-- Note: in the case of Node, Uint, or Elist fields, there are cases where the
-- same physical field is used for different purposes in different entities,
-- so these access functions should only be referenced for the class of
-- entities in which they are defined as being present. Flags are not
-- overlapped in this way, but nevertheless as a matter of style and
-- abstraction (which may or may not be checked by assertions in the
-- body), this restriction should be observed for flag fields as well.
-- Note: certain of the attributes on types apply only to base types, and
-- are so noted by the notation [base type only]. These are cases where the
-- attribute of any subtype is the same as the attribute of the base type.
-- The attribute can be referenced on a subtype (and automatically retrieves
-- the value from the base type). However, it is an error to try to set the
-- attribute on other than the base type, and if assertions are enabled,
-- an attempt to set the attribute on a subtype will raise an assert error.
-- Other attributes are noted as applying to the [implementation base type
-- only]. These are representation attributes which must always apply to a
-- full non-private type, and where the attributes are always on the full
-- type. The attribute can be referenced on a subtype (and automatically
-- retries the value from the implementation base type). However, it is an
-- error to try to set the attribute on other than the implementation base
-- type, and if assertions are enabled, an attempt to set the attribute on a
-- subtype will raise an assert error.
-- Abstract_States (Elist25)
-- Defined for E_Package entities. Contains a list of all the abstract
-- states declared by the related package.
-- Accept_Address (Elist21)
-- Defined in entries. If an accept has a statement sequence, then an
-- address variable is created, which is used to hold the address of the
-- parameters, as passed by the runtime. Accept_Address holds an element
-- list which represents a stack of entities for these address variables.
-- The current entry is the top of the stack, which is the last element
-- on the list. A stack is required to handle the case of nested select
-- statements referencing the same entry.
-- Access_Disp_Table (Elist16) [implementation base type only]
-- Defined in E_Record_Type and E_Record_Subtype entities. Set in tagged
-- types to point to their dispatch tables. The first two entities are
-- associated with the primary dispatch table: 1) primary dispatch table
-- with user-defined primitives 2) primary dispatch table with predefined
-- primitives. For each interface type covered by the tagged type we also
-- have: 3) secondary dispatch table with thunks of primitives covering
-- user-defined interface primitives, 4) secondary dispatch table with
-- thunks of predefined primitives, 5) secondary dispatch table with user
-- defined primitives, and 6) secondary dispatch table with predefined
-- primitives. The last entity of this list is an access type declaration
-- used to expand dispatching calls through the primary dispatch table.
-- For an untagged record, contains No_Elist.
-- Activation_Record_Component (Node31)
-- Defined in E_Variable, E_Constant, E_Loop_Parameter, E_In_Parameter,
-- E_Out_Parameter, E_In_Out_Parameter nodes. Used only if we are in
-- Opt.Unnest_Subprogram_Mode, in which case for the case of an uplevel
-- referenced entity, this field contains the entity for the component
-- in the generated ARECnT activation record (Exp_Unst for details).
-- Actual_Subtype (Node17)
-- Defined in variables, constants, and formal parameters. This is the
-- subtype imposed by the value of the object, as opposed to its nominal
-- subtype, which is imposed by the declaration. The actual subtype
-- differs from the nominal one when the latter is indefinite (as in the
-- case of an unconstrained formal parameter, or a variable declared
-- with an unconstrained type and an initial value). The nominal subtype
-- is the Etype entry for the entity. The Actual_Subtype field is set
-- only if the actual subtype differs from the nominal subtype. If the
-- actual and nominal subtypes are the same, then the Actual_Subtype
-- field is Empty, and Etype indicates both types.
--
-- For objects, the Actual_Subtype is set only if this is a discriminated
-- type. For arrays, the bounds of the expression are obtained and the
-- Etype of the object is directly the constrained subtype. This is
-- rather irregular, and the semantic checks that depend on the nominal
-- subtype being unconstrained use flag Is_Constr_Subt_For_U_Nominal(qv).
-- Address_Clause (synthesized)
-- Applies to entries, objects and subprograms. Set if an address clause
-- is present which references the object or subprogram and points to
-- the N_Attribute_Definition_Clause node. Empty if no Address clause.
-- The expression in the address clause is always a constant that is
-- defined before the entity to which the address clause applies.
-- Note: The backend references this field in E_Task_Type entities???
-- Address_Taken (Flag104)
-- Defined in all entities. Set if the Address or Unrestricted_Access
-- attribute is applied directly to the entity, i.e. the entity is the
-- entity of the prefix of the attribute reference. Also set if the
-- entity is the second argument of an Asm_Input or Asm_Output attribute,
-- as the construct may entail taking its address. Used by the backend to
-- make sure that the address can be meaningfully taken, and also in the
-- case of subprograms to control output of certain warnings.
-- Aft_Value (synthesized)
-- Applies to fixed and decimal types. Computes a universal integer that
-- holds value of the Aft attribute for the type.
-- Alias (Node18)
-- Defined in overloadable entities (literals, subprograms, entries) and
-- subprograms that cover a primitive operation of an abstract interface
-- (that is, subprograms with the Interface_Alias attribute). In case of
-- overloaded entities it points to the parent subprogram of a derived
-- subprogram. In case of abstract interface subprograms it points to the
-- subprogram that covers the abstract interface primitive. Also used for
-- a subprogram renaming, where it points to the renamed subprogram. For
-- an inherited operation (of a type extension) that is overridden in a
-- private part, the Alias is the overriding operation. In this fashion a
-- call from outside the package ends up executing the new body even if
-- non-dispatching, and a call from inside calls the overriding operation
-- because it hides the implicit one. Alias is always empty for entries.
-- Alignment (Uint14)
-- Defined in entities for types and also in constants, variables
-- (including exceptions where it refers to the static data allocated for
-- an exception), loop parameters, and formal parameters. This indicates
-- the desired alignment for a type, or the actual alignment for an
-- object. A value of zero (Uint_0) indicates that the alignment has not
-- been set yet. The alignment can be set by an explicit alignment
-- clause, or set by the front-end in package Layout, or set by the
-- back-end as part of the back-end back-annotation process. The
-- alignment field is also defined in E_Exception entities, but there it
-- is used only by the back-end for back annotation.
-- Alignment_Clause (synthesized)
-- Applies to all entities for types and objects. If an alignment
-- attribute definition clause is present for the entity, then this
-- function returns the N_Attribute_Definition clause that specifies the
-- alignment. If no alignment clause applies to the type, then the call
-- to this function returns Empty. Note that the call can return a
-- non-Empty value even if Has_Alignment_Clause is not set (happens with
-- subtype and derived type declarations). Note also that a record
-- definition clause with an (obsolescent) mod clause is converted
-- into an attribute definition clause for this purpose.
-- Associated_Formal_Package (Node12)
-- Defined in packages that are the actuals of formal_packages. Points
-- to the entity in the declaration for the formal package.
-- Associated_Node_For_Itype (Node8)
-- Defined in all type and subtype entities. Set non-Empty only for
-- Itypes. Set to point to the associated node for the Itype, i.e.
-- the node whose elaboration generated the Itype. This is used for
-- copying trees, to determine whether or not to copy an Itype, and
-- also for accessibility checks on anonymous access types. This
-- node is typically an object declaration, component declaration,
-- type or subtype declaration. For an access discriminant in a type
-- declaration, the associated_node_for_itype is the discriminant
-- specification. For an access parameter it is the enclosing subprogram
-- declaration.
--
-- Itypes have no explicit declaration, and therefore are not attached to
-- the tree: their Parent field is always empty. The Associated_Node_For_
-- Itype is the only way to determine the construct that leads to the
-- creation of a given itype entity.
-- Associated_Storage_Pool (Node22) [root type only]
-- Defined in simple and general access type entities. References the
-- storage pool to be used for the corresponding collection. A value of
-- Empty means that the default pool is to be used. This is defined
-- only in the root type, since derived types must have the same pool
-- as the parent type.
-- Barrier_Function (Node12)
-- Defined in protected entries and entry families. This is the
-- subprogram declaration for the body of the function that returns
-- the value of the entry barrier.
-- Base_Type (synthesized)
-- Applies to all type and subtype entities. Returns the base type of a
-- type or subtype. The base type of a type is the type itself. The base
-- type of a subtype is the type that it constrains (which is always
-- a type entity, not some other subtype). Note that in the case of a
-- subtype of a private type, it is possible for the base type attribute
-- to return a private type, even if the subtype to which it applies is
-- non-private. See also Implementation_Base_Type. Note: it is allowed to
-- apply Base_Type to other than a type, in which case it simply returns
-- the entity unchanged.
-- Block_Node (Node11)
-- Defined in block entities. Points to the identifier in the
-- Block_Statement itself. Used when retrieving the block construct
-- for finalization purposes, The block entity has an implicit label
-- declaration in the enclosing declarative part, and has otherwise
-- no direct connection in the tree with the block statement. The
-- link is to the identifier (which is an occurrence of the entity)
-- and not to the block_statement itself, because the statement may
-- be rewritten, e.g. in the process of removing dead code.
-- Body_Entity (Node19)
-- Defined in package and generic package entities, points to the
-- corresponding package body entity if one is present.
-- Body_Needed_For_SAL (Flag40)
-- Defined in package and subprogram entities that are compilation
-- units. Indicates that the source for the body must be included
-- when the unit is part of a standalone library.
-- Body_References (Elist16)
-- Defined in abstract state entities. Contains an element list of
-- references (identifiers) that appear in a package body whose spec
-- defines the related state. If the body refines the said state, all
-- references on this list are illegal due to the visible refinement.
-- BIP_Initialization_Call (Node29)
-- Defined in constants and variables whose corresponding declaration
-- is wrapped in a transient block and the inital value is provided by
-- a build-in-place function call. Contains the relocated build-in-place
-- call after the expansion has decoupled the call from the object. This
-- attribute is used by the finalization machinery to insert cleanup code
-- for all additional transient variables found in the transient block.
-- C_Pass_By_Copy (Flag125) [implementation base type only]
-- Defined in record types. Set if a pragma Convention for the record
-- type specifies convention C_Pass_By_Copy. This convention name is
-- treated as identical in all respects to convention C, except that
-- if it is specified for a record type, then the C_Pass_By_Copy flag
-- is set, and if a foreign convention subprogram has a formal of the
-- corresponding type, then the parameter passing mechanism will be
-- set to By_Copy (unless specifically overridden by an Import or
-- Export pragma).
-- Can_Never_Be_Null (Flag38)
-- This flag is defined in all entities. It is set in an object which can
-- never have a null value. Set for constant access values initialized to
-- a non-null value. This is also set for all access parameters in Ada 83
-- and Ada 95 modes, and for access parameters that explicitly exclude
-- exclude null in Ada 2005 mode.
--
-- This is used to avoid unnecessary resetting of the Is_Known_Non_Null
-- flag for such entities. In Ada 2005 mode, this is also used when
-- determining subtype conformance of subprogram profiles to ensure
-- that two formals have the same null-exclusion status.
--
-- This is also set on some access types, e.g. the Etype of the anonymous
-- access type of a controlling formal.
-- Can_Use_Internal_Rep (Flag229) [base type only]
-- Defined in Access_Subprogram_Kind nodes. This flag is set by the
-- front end and used by the backend. False means that the backend
-- must represent the type in the same way as Convention-C types (and
-- other foreign-convention types). On many targets, this means that
-- the backend will use dynamically generated trampolines for nested
-- subprograms. True means that the backend can represent the type in
-- some internal way. On the aforementioned targets, this means that the
-- backend will not use dynamically generated trampolines. This flag
-- must be False if Has_Foreign_Convention is True; otherwise, the front
-- end is free to set the policy.
--
-- Setting this False in all cases corresponds to the traditional back
-- end strategy, where all access-to-subprogram types are represented the
-- same way, independent of the Convention. For further details, see also
-- Always_Compatible_Rep in Targparm.
--
-- Efficiency note: On targets that use dynamically generated
-- trampolines, False generally favors efficiency of top-level
-- subprograms, whereas True generally favors efficiency of nested
-- ones. On other targets, this flag has little or no effect on
-- efficiency. The front end should take this into account. In
-- particular, pragma Favor_Top_Level gives a hint that the flag
-- should be False.
--
-- Note: We considered using Convention-C for this purpose, but we need
-- this separate flag, because Convention-C implies that in the case of
-- P'[Unrestricted_]Access, P also have convention C. Sometimes we want
-- to have Can_Use_Internal_Rep False for an access type, but allow P to
-- have convention Ada.
-- Chars (Name1)
-- Defined in all entities. This field contains an entry into the names
-- table that has the character string of the identifier, character
-- literal or operator symbol. See Namet for further details. Note that
-- throughout the processing of the front end, this name is the simple
-- unqualified name. However, just before the backend is called, a call
-- is made to Qualify_All_Entity_Names. This causes entity names to be
-- qualified using the encoding described in exp_dbug.ads, and from that
-- point (including post backend steps, e.g. cross-reference generation),
-- the entities will contain the encoded qualified names.
-- Checks_May_Be_Suppressed (Flag31)
-- Defined in all entities. Set if a pragma Suppress or Unsuppress
-- mentions the entity specifically in the second argument. If this
-- flag is set the Global_Entity_Suppress and Local_Entity_Suppress
-- tables must be consulted to determine if there actually is an active
-- Suppress or Unsuppress pragma that applies to the entity.
-- Class_Wide_Type (Node9)
-- Defined in all type entities. For a tagged type or subtype, returns
-- the corresponding implicitly declared class-wide type. For a
-- class-wide type, returns itself. Set to Empty for untagged types.
-- Cloned_Subtype (Node16)
-- Defined in E_Record_Subtype and E_Class_Wide_Subtype entities.
-- Each such entity can either have a Discriminant_Constraint, in
-- which case it represents a distinct type from the base type (and
-- will have a list of components and discrimants in the list headed by
-- First_Entity) or else no such constraint, in which case it will be a
-- copy of the base type.
--
-- o Each element of the list in First_Entity is copied from the base
-- type; in that case, this field is Empty.
--
-- o The list in First_Entity is shared with the base type; in that
-- case, this field points to that entity.
--
-- A record or classwide subtype may also be a copy of some other
-- subtype and share the entities in the First_Entity with that subtype.
-- In that case, this field points to that subtype.
--
-- For E_Class_Wide_Subtype, the presence of Equivalent_Type overrides
-- this field. Note that this field ONLY appears in subtype entries, not
-- in type entries, it is not defined, and it is an error to reference
-- Cloned_Subtype in an E_Record_Type or E_Class_Wide_Type entity.
-- Comes_From_Source
-- This flag appears on all nodes, including entities, and indicates
-- that the node was created by the scanner or parser from the original
-- source. Thus for entities, it indicates that the entity is defined
-- in the original source program.
-- Component_Alignment (special field) [base type only]
-- Defined in array and record entities. Contains a value of type
-- Component_Alignment_Kind indicating the alignment of components.
-- Set to Calign_Default normally, but can be overridden by use of
-- the Component_Alignment pragma. Note: this field is currently
-- stored in a non-standard way, see body for details.
-- Component_Bit_Offset (Uint11)
-- Defined in record components (E_Component, E_Discriminant) if a
-- component clause applies to the component. First bit position of
-- given component, computed from the first bit and position values
-- given in the component clause. A value of No_Uint means that the
-- value is not yet known. The value can be set by the appearance of
-- an explicit component clause in a record representation clause,
-- or it can be set by the front-end in package Layout, or it can be
-- set by the backend. By the time backend processing is completed,
-- this field is always set. A negative value is used to represent
-- a value which is not known at compile time, and must be computed
-- at run-time (this happens if fields of a record have variable
-- lengths). See package Layout for details of these values.
--
-- Note: Component_Bit_Offset is redundant with respect to the fields
-- Normalized_First_Bit and Normalized_Position, and could in principle
-- be eliminated, but it is convenient in several situations, including
-- use in the backend, to have this redundant field.
-- Component_Clause (Node13)
-- Defined in record components and discriminants. If a record
-- representation clause is present for the corresponding record type a
-- that specifies a position for the component, then the Component_Clause
-- field of the E_Component entity points to the N_Component_Clause node.
-- Set to Empty if no record representation clause was present, or if
-- there was no specification for this component.
-- Component_Size (Uint22) [implementation base type only]
-- Defined in array types. It contains the component size value for
-- the array. A value of No_Uint means that the value is not yet set.
-- The value can be set by the use of a component size clause, or
-- by the front end in package Layout, or by the backend. A negative
-- value is used to represent a value which is not known at compile
-- time, and must be computed at run-time (this happens if the type
-- of the component has a variable length size). See package Layout
-- for details of these values.
-- Component_Type (Node20) [implementation base type only]
-- Defined in array types and string types. References component type.
-- Contains_Ignored_Ghost_Code (Flag279)
-- Defined in blocks, packages and their bodies, subprograms and their
-- bodies. Set if the entity contains any ignored Ghost code in the form
-- of declaration, procedure call, assignment statement or pragma.
-- Corresponding_Concurrent_Type (Node18)
-- Defined in record types that are constructed by the expander to
-- represent task and protected types (Is_Concurrent_Record_Type flag
-- set). Points to the entity for the corresponding task type or the
-- protected type.
-- Corresponding_Discriminant (Node19)
-- Defined in discriminants of a derived type, when the discriminant is
-- used to constrain a discriminant of the parent type. Points to the
-- corresponding discriminant in the parent type. Otherwise it is Empty.
-- Corresponding_Equality (Node30)
-- Defined in function entities for implicit inequality operators.
-- Denotes the explicit or derived equality operation that creates
-- the implicit inequality. Note that this field is not present in
-- other function entities, only in implicit inequality routines,
-- where Comes_From_Source is always False.
-- Corresponding_Protected_Entry (Node18)
-- Defined in subprogram bodies. Set for subprogram bodies that implement
-- a protected type entry to point to the entity for the entry.
-- Corresponding_Record_Type (Node18)
-- Defined in protected and task types and subtypes. References the
-- entity for the corresponding record type constructed by the expander
-- (see Exp_Ch9). This type is used to represent values of the task type.
-- Corresponding_Remote_Type (Node22)
-- Defined in record types that describe the fat pointer structure for
-- Remote_Access_To_Subprogram types. References the original access
-- to subprogram type.
-- CR_Discriminant (Node23)
-- Defined in discriminants of concurrent types. Denotes the homologous
-- discriminant of the corresponding record type. The CR_Discriminant is
-- created at the same time as the discriminal, and used to replace
-- occurrences of the discriminant within the type declaration.
-- Current_Use_Clause (Node27)
-- Defined in packages and in types. For packages, denotes the use
-- package clause currently in scope that makes the package use_visible.
-- For types, it denotes the use_type clause that makes the operators of
-- the type visible. Used for more precise warning messages on redundant
-- use clauses.
-- Current_Value (Node9)
-- Defined in all object entities. Set in E_Variable, E_Constant, formal
-- parameters and E_Loop_Parameter entities if we have trackable current
-- values. Set non-Empty if the (constant) current value of the variable
-- is known, This value is valid only for references from the same
-- sequential scope as the entity. The sequential scope of an entity
-- includes the immediate scope and any contained scopes that are package
-- specs, package bodies, blocks (at any nesting level) or statement
-- sequences in IF or loop statements.
--
-- Another related use of this field is to record information about the
-- value obtained from an IF or WHILE statement condition. If the IF or
-- ELSIF or WHILE condition has the form "NOT {,NOT] OBJ RELOP VAL ",
-- or OBJ [AND [THEN]] expr, where OBJ refers to an entity with a
-- Current_Value field, RELOP is one of the six relational operators, and
-- VAL is a compile-time known value then the Current_Value field of OBJ
-- points to the N_If_Statement, N_Elsif_Part, or N_Iteration_Scheme node
-- of the relevant construct, and the Condition field of this can be
-- consulted to give information about the value of OBJ. For more details
-- on this usage, see the procedure Exp_Util.Get_Current_Value_Condition.
-- Debug_Info_Off (Flag166)
-- Defined in all entities. Set if a pragma Suppress_Debug_Info applies
-- to the entity, or if internal processing in the compiler determines
-- that suppression of debug information is desirable. Note that this
-- flag is only for use by the front end as part of the processing for
-- determining if Needs_Debug_Info should be set. The backend should
-- always test Needs_Debug_Info, it should never test Debug_Info_Off.
-- Debug_Renaming_Link (Node25)
-- Used to link the variable associated with a debug renaming declaration
-- to the renamed entity. See Exp_Dbug.Debug_Renaming_Declaration for
-- details of the use of this field.
-- Declaration_Node (synthesized)
-- Applies to all entities. Returns the tree node for the construct that
-- declared the entity. Normally this is just the Parent of the entity.
-- One exception arises with child units, where the parent of the entity
-- is a selected component/defining program unit name. Another exception
-- is that if the entity is an incomplete type that has been completed or
-- a private type, then we obtain the declaration node denoted by the
-- full type, i.e. the full type declaration node. Also note that for
-- subprograms, this returns the {function,procedure}_specification, not
-- the subprogram_declaration.
-- Default_Aspect_Component_Value (Node19) [base type only]
-- Defined in array types. Holds the static value specified in a
-- Default_Component_Value aspect specification for the array type.
-- Default_Aspect_Value (Node19) [base type only]
-- Defined in scalar types. Holds the static value specified in a
-- Default_Value aspect specification for the type.
-- Default_Expr_Function (Node21)
-- Defined in parameters. It holds the entity of the parameterless
-- function that is built to evaluate the default expression if it is
-- more complex than a simple identifier or literal. For the latter
-- simple cases or if there is no default value, this field is Empty.
-- Default_Expressions_Processed (Flag108)
-- A flag in subprograms (functions, operators, procedures) and in
-- entries and entry families used to indicate that default expressions
-- have been processed and to avoid multiple calls to process the
-- default expressions (see Freeze.Process_Default_Expressions), which
-- would not only waste time, but also generate false error messages.
-- Default_Init_Cond_Procedure (synthesized)
-- Defined in all types. Set for private [sub]types subject to pragma
-- Default_Initial_Condition, their corresponding full views and derived
-- types with at least one parent subject to the pragma. Contains the
-- entity of the procedure which takes a single argument of the given
-- type and verifies the assumption of the pragma.
--
-- Note: the reason this is marked as a synthesized attribute is that the
-- way this is stored is as an element of the Subprograms_For_Type field.
-- Default_Value (Node20)
-- Defined in formal parameters. Points to the node representing the
-- expression for the default value for the parameter. Empty if the
-- parameter has no default value (which is always the case for OUT
-- and IN OUT parameters in the absence of errors).
-- Delay_Cleanups (Flag114)
-- Defined in entities that have finalization lists (subprograms
-- blocks, and tasks). Set if there are pending generic body
-- instantiations for the corresponding entity. If this flag is
-- set, then generation of cleanup actions for the corresponding
-- entity must be delayed, since the insertion of the generic body
-- may affect cleanup generation (see Inline for further details).
-- Delay_Subprogram_Descriptors (Flag50)
-- Defined in entities for which exception subprogram descriptors
-- are generated (subprograms, package declarations and package
-- bodies). Defined if there are pending generic body instantiations
-- for the corresponding entity. If this flag is set, then generation
-- of the subprogram descriptor for the corresponding enities must
-- be delayed, since the insertion of the generic body may add entries
-- to the list of handlers.
--
-- Note: for subprograms, Delay_Subprogram_Descriptors is set if and
-- only if Delay_Cleanups is set. But Delay_Cleanups can be set for a
-- a block (in which case Delay_Subprogram_Descriptors is set for the
-- containing subprogram). In addition Delay_Subprogram_Descriptors is
-- set for a library level package declaration or body which contains
-- delayed instantiations (in this case the descriptor refers to the
-- enclosing elaboration procedure).
-- Delta_Value (Ureal18)
-- Defined in fixed and decimal types. Points to a universal real
-- that holds value of delta for the type, as given in the declaration
-- or as inherited by a subtype or derived type.
-- Dependent_Instances (Elist8)
-- Defined in packages that are instances. Holds list of instances
-- of inner generics. Used to place freeze nodes for those instances
-- after that of the current one, i.e. after the corresponding generic
-- bodies.
-- Depends_On_Private (Flag14)
-- Defined in all type entities. Set if the type is private or if it
-- depends on a private type.
-- Derived_Type_Link (Node31)
-- Defined in all type and subtype entries. Set in a base type if
-- a derived type declaration is encountered which derives from
-- this base type or one of its subtypes, and there are already
-- primitive operations declared. In this case, it references the
-- entity for the type declared by the derived type declaration.
-- For example:
--
-- type R is ...
-- subtype RS is R ...
-- ...
-- type G is new RS ...
--
-- In this case, if primitive operations have been declared for R, at
-- the point of declaration of G, then the Derived_Type_Link of R is set
-- to point to the entity for G. This is used to generate warnings for
-- rep clauses that appear later on for R, which might result in an
-- unexpected implicit conversion operation.
--
-- Note: if there is more than one such derived type, the link will point
-- to the last one (this is only used in generating warning messages).
-- Designated_Type (synthesized)
-- Applies to access types. Returns the designated type. Differs from
-- Directly_Designated_Type in that if the access type refers to an
-- incomplete type, and the full type is available, then this full type
-- is returned instead of the incomplete type.
-- Digits_Value (Uint17)
-- Defined in floating point types and subtypes and decimal types and
-- subtypes. Contains the Digits value specified in the declaration.
-- Direct_Primitive_Operations (Elist10)
-- Defined in tagged types and subtypes (including synchronized types),
-- in tagged private types and in tagged incomplete types. Element list
-- of entities for primitive operations of the tagged type. Not defined
-- in untagged types. In order to follow the C++ ABI, entities of
-- primitives that come from source must be stored in this list in the
-- order of their occurrence in the sources. For incomplete types the
-- list is always empty.
-- Directly_Designated_Type (Node20)
-- Defined in access types. This field points to the type that is
-- directly designated by the access type. In the case of an access
-- type to an incomplete type, this field references the incomplete
-- type. Directly_Designated_Type is typically used in implementing the
-- static semantics of the language; in implementing dynamic semantics,
-- we typically want the full view of the designated type. The function
-- Designated_Type obtains this full type in the case of access to an
-- incomplete type.
-- Discard_Names (Flag88)
-- Defined in types and exception entities. Set if pragma Discard_Names
-- applies to the entity. It is also set for declarative regions and
-- package specs for which a Discard_Names pragma with zero arguments
-- has been encountered. The purpose of setting this flag is to be able
-- to set the Discard_Names attribute on enumeration types declared
-- after the pragma within the same declarative region. This flag is
-- set to False if a Keep_Names pragma appears for an enumeration type.
-- Discriminal (Node17)
-- Defined in discriminants (Discriminant formal: GNAT's first
-- coinage). The entity used as a formal parameter that corresponds
-- to a discriminant. See section "Handling of Discriminants" for
-- full details of the use of discriminals.
-- Discriminal_Link (Node10)
-- Defined in E_In_Parameter or E_Constant entities. For discriminals,
-- points back to corresponding discriminant. For other entities, must
-- remain Empty.
-- Discriminant_Checking_Func (Node20)
-- Defined in components. Points to the defining identifier of the
-- function built by the expander returns a Boolean indicating whether
-- the given record component exists for the current discriminant
-- values.
-- Discriminant_Constraint (Elist21)
-- Defined in entities whose Has_Discriminants flag is set (concurrent
-- types, subtypes, record types and subtypes, private types and
-- subtypes, limited private types and subtypes and incomplete types).
-- It is an error to reference the Discriminant_Constraint field if
-- Has_Discriminants is False.
--
-- If the Is_Constrained flag is set, Discriminant_Constraint points
-- to an element list containing the discriminant constraints in the
-- same order in which the discriminants are declared.
--
-- If the Is_Constrained flag is not set but the discriminants of the
-- unconstrained type have default initial values then this field
-- points to an element list giving these default initial values in
-- the same order in which the discriminants are declared. Note that
-- in this case the entity cannot be a tagged record type, because
-- discriminants in this case cannot have defaults.
--
-- If the entity is a tagged record implicit type, then this field is
-- inherited from the first subtype (so that the itype is subtype
-- conformant with its first subtype, which is needed when the first
-- subtype overrides primitive operations inherited by the implicit
-- base type).
--
-- In all other cases Discriminant_Constraint contains the empty
-- Elist (ie it is initialized with a call to New_Elmt_List).
-- Discriminant_Default_Value (Node20)
-- Defined in discriminants. Points to the node representing the
-- expression for the default value of the discriminant. Set to
-- Empty if the discriminant has no default value.
-- Discriminant_Number (Uint15)
-- Defined in discriminants. Gives the ranking of a discriminant in
-- the list of discriminants of the type, i.e. a sequential integer
-- index starting at 1 and ranging up to number of discriminants.
-- Dispatch_Table_Wrappers (Elist26) [implementation base type only]
-- Defined in E_Record_Type and E_Record_Subtype entities. Set in library
-- level tagged type entities if we are generating statically allocated
-- dispatch tables. Points to the list of dispatch table wrappers
-- associated with the tagged type. For an untagged record, contains
-- No_Elist.
-- DTC_Entity (Node16)
-- Defined in function and procedure entities. Set to Empty unless
-- the subprogram is dispatching in which case it references the
-- Dispatch Table pointer Component. For regular Ada tagged this, this
-- is the _Tag component. For CPP_Class types and their descendants,
-- this points to the component entity in the record that holds the
-- Vtable pointer for the Vtable containing the entry referencing the
-- subprogram.
-- DT_Entry_Count (Uint15)
-- Defined in E_Component entities. Only used for component marked
-- Is_Tag. Store the number of entries in the Vtable (or Dispatch Table)
-- DT_Offset_To_Top_Func (Node25)
-- Defined in E_Component entities. Only used for component marked
-- Is_Tag. If present it stores the Offset_To_Top function used to
-- provide this value in tagged types whose ancestor has discriminants.
-- DT_Position (Uint15)
-- Defined in function and procedure entities which are dispatching
-- (should not be referenced without first checking that flag
-- Is_Dispatching_Operation is True). Contains the offset into
-- the Vtable for the entry that references the subprogram.
-- Ekind (Ekind)
-- Defined in all entities. Contains a value of the enumeration type
-- Entity_Kind declared in a subsequent section in this spec.
-- Elaborate_Body_Desirable (Flag210)
-- Defined in package entities. Set if the elaboration circuitry detects
-- a case where there is a package body that modifies one or more visible
-- entities in the package spec and there is no explicit Elaborate_Body
-- pragma for the package. This information is passed on to the binder,
-- which attempts, but does not promise, to elaborate the body as close
-- to the spec as possible.
-- Elaboration_Entity (Node13)
-- Defined in generic and non-generic package and subprogram entities.
-- This is a counter associated with the unit that is initially set to
-- zero, is incremented when an elaboration request for the unit is
-- made, and is decremented when a finalization request for the unit
-- is made. This is used for three purposes. First, it is used to
-- implement access before elaboration checks (the counter must be
-- non-zero to call a subprogram at elaboration time). Second, it is
-- used to guard against repeated execution of the elaboration code.
-- Third, it is used to ensure that the finalization code is executed
-- only after all clients have requested it.
--
-- Note that we always allocate this counter, and set this field, but
-- we do not always actually use it. It is only used if it is needed
-- for access before elaboration use (see Elaboration_Entity_Required
-- flag) or if either the spec or the body has elaboration code. If
-- neither of these two conditions holds, then the entity is still
-- allocated (since we don't know early enough whether or not there
-- is elaboration code), but is simply not used for any purpose.
-- Elaboration_Entity_Required (Flag174)
-- Defined in generic and non-generic package and subprogram entities.
-- Set only if Elaboration_Entity is non-Empty to indicate that the
-- counter is required to be non-zero even if there is no other
-- elaboration code. This occurs when the Elaboration_Entity counter
-- is used for access before elaboration checks. If the counter is
-- only used to prevent multiple execution of the elaboration code,
-- then if there is no other elaboration code, obviously there is no
-- need to set the flag.
-- Encapsulating_State (Node10)
-- Defined in abstract states and variables. Contains the entity of an
-- ancestor state whose refinement utilizes this item as a constituent.
-- Enclosing_Scope (Node18)
-- Defined in labels. Denotes the innermost enclosing construct that
-- contains the label. Identical to the scope of the label, except for
-- labels declared in the body of an accept statement, in which case the
-- entry_name is the Enclosing_Scope. Used to validate goto's within
-- accept statements.
-- Entry_Accepted (Flag152)
-- Defined in E_Entry and E_Entry_Family entities. Set if there is
-- at least one accept for this entry in the task body. Used to
-- generate warnings for missing accepts.
-- Entry_Bodies_Array (Node19)
-- Defined in protected types for which Has_Entries is true.
-- This is the defining identifier for the array of entry body
-- action procedures and barrier functions used by the runtime to
-- execute the user code associated with each entry.
-- Entry_Cancel_Parameter (Node23)
-- Defined in blocks. This only applies to a block statement for
-- which the Is_Asynchronous_Call_Block flag is set. It
-- contains the defining identifier of an object that must be
-- passed to the Cancel_Task_Entry_Call or Cancel_Protected_Entry_Call
-- call in the cleanup handler added to the block by
-- Exp_Ch7.Expand_Cleanup_Actions. This parameter is a Boolean
-- object for task entry calls and a Communications_Block object
-- in the case of protected entry calls. In both cases the objects
-- are declared in outer scopes to this block.
-- Entry_Component (Node11)
-- Defined in formal parameters (in, in out and out parameters). Used
-- only for formals of entries. References the corresponding component
-- of the entry parameter record for the entry.
-- Entry_Formal (Node16)
-- Defined in components of the record built to correspond to entry
-- parameters. This field points from the component to the formal. It
-- is the back pointer corresponding to Entry_Component.
-- Entry_Index_Constant (Node18)
-- Defined in an entry index parameter. This is an identifier that
-- eventually becomes the name of a constant representing the index
-- of the entry family member whose entry body is being executed. Used
-- to expand references to the entry index specification identifier.
-- Entry_Index_Type (synthesized)
-- Applies to an entry family. Denotes Etype of the subtype indication
-- in the entry declaration. Used to resolve the index expression in an
-- accept statement for a member of the family, and in the prefix of
-- 'COUNT when it applies to a family member.
-- Contract (Node34)
-- Defined in entry, entry family, package, package body, subprogram and
-- subprogram body entities as well as their respective generic forms. A
-- contract is also applicable to a variable. Points to the contract of
-- the entity, holding various assertion items and data classifiers.
-- Entry_Parameters_Type (Node15)
-- Defined in entries. Points to the access-to-record type that is
-- constructed by the expander to hold a reference to the parameter
-- values. This reference is manipulated (as an address) by the
-- tasking runtime. The designated record represents a packaging
-- up of the entry parameters (see Exp_Ch9.Expand_N_Entry_Declaration
-- for further details). Entry_Parameters_Type is Empty if the entry
-- has no parameters.
-- Enumeration_Pos (Uint11)
-- Defined in enumeration literals. Contains the position number
-- corresponding to the value of the enumeration literal.
-- Enumeration_Rep (Uint12)
-- Defined in enumeration literals. Contains the representation that
-- corresponds to the value of the enumeration literal. Note that
-- this is normally the same as Enumeration_Pos except in the presence
-- of representation clauses, where Pos will still represent the
-- position of the literal within the type and Rep will have be the
-- value given in the representation clause.
-- Enumeration_Rep_Expr (Node22)
-- Defined in enumeration literals. Points to the expression in an
-- associated enumeration rep clause that provides the representation
-- value for this literal. Empty if no enumeration rep clause for this
-- literal (or if rep clause does not have an entry for this literal,
-- an error situation). This is also used to catch duplicate entries
-- for the same literal.
-- Enum_Pos_To_Rep (Node23)
-- Defined in enumeration types (but not enumeration subtypes). Set to
-- Empty unless the enumeration type has a non-standard representation
-- (i.e. at least one literal has a representation value different from
-- its pos value). In this case, Enum_Pos_To_Rep is the entity for an
-- array constructed when the type is frozen that maps Pos values to
-- corresponding Rep values. The index type of this array is Natural,
-- and the component type is a suitable integer type that holds the
-- full range of representation values.
-- Equivalent_Type (Node18)
-- Defined in class wide types and subtypes, access to protected
-- subprogram types, and in exception types. For a classwide type, it
-- is always Empty. For a class wide subtype, it points to an entity
-- created by the expander which gives the backend an understandable
-- equivalent of the class subtype with a known size (given by an
-- initial value). See Exp_Util.Expand_Class_Wide_Subtype for further
-- details. For E_Exception_Type, this points to the record containing
-- the data necessary to represent exceptions (for further details, see
-- System.Standard_Library. For access_to_protected subprograms, it
-- denotes a record that holds pointers to the operation and to the
-- protected object. For remote Access_To_Subprogram types, it denotes
-- the record that is the fat pointer representation of an RAST.
-- Esize (Uint12)
-- Defined in all types and subtypes, and also for components, constants,
-- and variables, including exceptions where it refers to the static data
-- allocated for an exception. Contains the Object_Size of the type or of
-- the object. A value of zero indicates that the value is not yet known.
--
-- For the case of components where a component clause is present, the
-- value is the value from the component clause, which must be non-
-- negative (but may be zero, which is acceptable for the case of
-- a type with only one possible value). It is also possible for Esize
-- of a component to be set without a component clause defined, which
-- means that the component size is specified, but not the position.
-- See also RM_Size and the section on "Handling of Type'Size Values".
-- During backend processing, the value is back annotated for all zero
-- values, so that after the call to the backend, the value is set.
-- Etype (Node5)
-- Defined in all entities. Represents the type of the entity, which
-- is itself another entity. For a type entity, points to the parent
-- type for a derived type, or if the type is not derived, points to
-- itself. For a subtype entity, Etype points to the base type. For
-- a class wide type, points to the corresponding specific type. For a
-- subprogram or subprogram type, Etype has the return type of a function
-- or is set to Standard_Void_Type to represent a procedure. The Etype
-- field of a package is also set to Standard_Void_Type.
--
-- Note one obscure case: for pragma Default_Storage_Pool (null), the
-- Etype of the N_Null node is Empty.
-- Extra_Accessibility (Node13)
-- Defined in formal parameters in the non-generic case. Normally Empty,
-- but if expansion is active, and a parameter is one for which a
-- dynamic accessibility check is required, then an extra formal of type
-- Natural is created (see description of field Extra_Formal), and the
-- Extra_Accessibility field of the formal parameter points to the entity
-- for this extra formal. Also defined in variables when compiling
-- receiving stubs. In this case, a non Empty value means that this
-- variable's accessibility depth has been transmitted by the caller and
-- must be retrieved through the entity designed by this field instead of
-- being computed.
-- Extra_Accessibility_Of_Result (Node19)
-- Defined in (non-generic) Function, Operator, and Subprogram_Type
-- entities. Normally Empty, but if expansion is active, and a function
-- is one for which "the accessibility level of the result ... determined
-- by the point of call" (AI05-0234) is needed, then an extra formal of
-- subtype Natural is created (see description of field Extra_Formal),
-- and the Extra_Accessibility_Of_Result field of the function points to
-- the entity for this extra formal.
-- Extra_Constrained (Node23)
-- Defined in formal parameters in the non-generic case. Normally Empty,
-- but if expansion is active and a parameter is one for which a dynamic
-- indication of its constrained status is required, then an extra formal
-- of type Boolean is created (see description of field Extra_Formal),
-- and the Extra_Constrained field of the formal parameter points to the
-- entity for this extra formal. Also defined in variables when compiling
-- receiving stubs. In this case, a non empty value means that this
-- variable's constrained status has been transmitted by the caller and
-- must be retrieved through the entity designed by this field instead of
-- being computed.
-- Extra_Formal (Node15)
-- Defined in formal parameters in the non-generic case. Certain
-- parameters require extra implicit information to be passed (e.g. the
-- flag indicating if an unconstrained variant record argument is
-- constrained, and the accessibility level for access parameters). See
-- description of Extra_Constrained, Extra_Accessibility fields for
-- further details. Extra formal parameters are constructed to represent
-- these values, and chained to the end of the list of formals using the
-- Extra_Formal field (i.e. the Extra_Formal field of the last "real"
-- formal points to the first extra formal, and the Extra_Formal field of
-- each extra formal points to the next one, with Empty indicating the
-- end of the list of extra formals). Another case of Extra_Formal arises
-- in connection with unnesting of subprograms, where the ARECnF formal
-- that represents an activation record pointer is an extra formal.
-- Extra_Formals (Node28)
-- Applies to subprograms and subprogram types, and also to entries
-- and entry families. Returns first extra formal of the subprogram
-- or entry. Returns Empty if there are no extra formals.
-- Finalization_Master (Node23) [root type only]
-- Defined in access-to-controlled or access-to-class-wide types. The
-- field contains the entity of the finalization master which handles
-- dynamically allocated controlled objects referenced by the access
-- type. Empty for access-to-subprogram types. Empty for access types
-- whose designated type does not need finalization actions.
-- Finalize_Storage_Only (Flag158) [base type only]
-- Defined in all types. Set on direct controlled types to which a
-- valid Finalize_Storage_Only pragma applies. This flag is also set on
-- composite types when they have at least one controlled component and
-- all their controlled components are Finalize_Storage_Only. It is also
-- inherited by type derivation except for direct controlled types where
-- the Finalize_Storage_Only pragma is required at each level of
-- derivation.
-- Finalizer (Node28)
-- Applies to package declarations and bodies. Contains the entity of the
-- library-level program which finalizes all package-level controlled
-- objects.
-- First_Component (synthesized)
-- Applies to record types. Returns the first component by following the
-- chain of declared entities for the record until a component is found
-- (one with an Ekind of E_Component). The discriminants are skipped. If
-- the record is null, then Empty is returned.
-- First_Component_Or_Discriminant (synthesized)
-- Similar to First_Component, but discriminants are not skipped, so will
-- find the first discriminant if discriminants are present.
-- First_Entity (Node17)
-- Defined in all entities which act as scopes to which a list of
-- associated entities is attached (blocks, class subtypes and types,
-- entries, functions, loops, packages, procedures, protected objects,
-- record types and subtypes, private types, task types and subtypes).
-- Points to a list of associated entities using the Next_Entity field
-- as a chain pointer with Empty marking the end of the list.
-- First_Exit_Statement (Node8)
-- Defined in E_Loop entity. The exit statements for a loop are chained
-- (in reverse order of appearance) using this field to point to the
-- first entry in the chain (last exit statement in the loop). The
-- entries are chained through the Next_Exit_Statement field of the
-- N_Exit_Statement node with Empty marking the end of the list.
-- First_Formal (synthesized)
-- Applies to subprograms and subprogram types, and also to entries
-- and entry families. Returns first formal of the subprogram or entry.
-- The formals are the first entities declared in a subprogram or in
-- a subprogram type (the designated type of an Access_To_Subprogram
-- definition) or in an entry.
-- First_Formal_With_Extras (synthesized)
-- Applies to subprograms and subprogram types, and also in entries
-- and entry families. Returns first formal of the subprogram or entry.
-- Returns Empty if there are no formals. The list returned includes
-- all the extra formals (see description of Extra_Formals field).
-- First_Index (Node17)
-- Defined in array types and subtypes. By introducing implicit subtypes
-- for the index constraints, we have the same structure for constrained
-- and unconstrained arrays, subtype marks and discrete ranges are
-- both represented by a subtype. This function returns the tree node
-- corresponding to an occurrence of the first index (NOT the entity for
-- the type). Subsequent indices are obtained using Next_Index. Note that
-- this field is defined for the case of string literal subtypes, but is
-- always Empty.
-- First_Literal (Node17)
-- Defined in all enumeration types, including character and boolean
-- types. This field points to the first enumeration literal entity
-- for the type (i.e. it is set to First (Literals (N)) where N is
-- the enumeration type definition node. A special case occurs with
-- standard character and wide character types, where this field is
-- Empty, since there are no enumeration literal lists in these cases.
-- Note that this field is set in enumeration subtypes, but it still
-- points to the first literal of the base type in this case.
-- First_Private_Entity (Node16)
-- Defined in all entities containing private parts (packages, protected
-- types and subtypes, task types and subtypes). The entities on the
-- entity chain are in order of declaration, so the entries for private
-- entities are at the end of the chain. This field points to the first
-- entity for the private part. It is Empty if there are no entities
-- declared in the private part or if there is no private part.
-- First_Rep_Item (Node6)
-- Defined in all entities. If non-empty, points to a linked list of
-- representation pragmas nodes and representation clause nodes that
-- apply to the entity, linked using Next_Rep_Item, with Empty marking
-- the end of the list. In the case of derived types and subtypes, the
-- new entity inherits the chain at the point of declaration. This means
-- that it is possible to have multiple instances of the same kind of rep
-- item on the chain, in which case it is the first one that applies to
-- the entity.
--
-- Note: pragmas that can apply to more than one overloadable entity,
-- (Convention, Interface, Inline, Inline_Always, Import, Export,
-- External) are never present on this chain when they apply to
-- overloadable entities, since it is impossible for a given pragma
-- to be on more than one chain at a time.
--
-- For most representation items, the representation information is
-- reflected in other fields and flags in the entity. For example if a
-- record representation clause is present, the component entities
-- reflect the specified information. However, there are some items that
-- are only reflected in the chain. These include:
--
-- Machine_Attribute pragma
-- Link_Alias pragma
-- Linker_Constructor pragma
-- Linker_Destructor pragma
-- Weak_External pragma
-- Thread_Local_Storage pragma
--
-- If any of these items are present, then the flag Has_Gigi_Rep_Item is
-- set, indicating that the backend should search the chain.
--
-- Other representation items are included in the chain so that error
-- messages can easily locate the relevant nodes for posting errors.
-- Note in particular that size clauses are defined only for this
-- purpose, and should only be accessed if Has_Size_Clause is set.
-- Float_Rep (Uint10)
-- Defined in floating-point entities. Contains a value of type
-- Float_Rep_Kind. Together with the Digits_Value uniquely defines
-- the floating-point representation to be used.
-- Freeze_Node (Node7)
-- Defined in all entities. If there is an associated freeze node for the
-- entity, this field references this freeze node. If no freeze node is
-- associated with the entity, then this field is Empty. See package
-- Freeze for further details.
-- From_Limited_With (Flag159)
-- Defined in abtract states, package and type entities. Set to True when
-- the related entity is generated by the expansion of a limited with
-- clause. Such an entity is said to be a "shadow" - it acts as the
-- abstract view of a state or variable or as the incomplete view of a
-- type by inheriting relevant attributes from the said entity.
-- Full_View (Node11)
-- Defined in all type and subtype entities and in deferred constants.
-- References the entity for the corresponding full type or constant
-- declaration. For all types other than private and incomplete types,
-- this field always contains Empty. If an incomplete type E1 is
-- completed by a private type E2 whose full type declaration entity is
-- E3 then the full view of E1 is E2, and the full view of E2 is E3. See
-- also Underlying_Type.
-- Generic_Homonym (Node11)
-- Defined in generic packages. The generic homonym is the entity of
-- a renaming declaration inserted in every generic unit. It is used
-- to resolve the name of a local entity that is given by a qualified
-- name, when the generic entity itself is hidden by a local name.
-- Generic_Renamings (Elist23)
-- Defined in package and subprogram instances. Holds mapping that
-- associates generic parameters with the corresponding instances, in
-- those cases where the instance is an entity.
-- Handler_Records (List10)
-- Defined in subprogram and package entities. Points to a list of
-- identifiers referencing the handler record entities for the
-- corresponding unit.
-- Has_Aliased_Components (Flag135) [implementation base type only]
-- Defined in array type entities. Indicates that the component type
-- of the array is aliased.
-- Has_Alignment_Clause (Flag46)
-- Defined in all type entities and objects. Indicates if an alignment
-- clause has been given for the entity. If set, then Alignment_Clause
-- returns the N_Attribute_Definition node for the alignment attribute
-- definition clause. Note that it is possible for this flag to be False
-- even when Alignment_Clause returns non_Empty (this happens in the case
-- of derived type declarations).
-- Has_All_Calls_Remote (Flag79)
-- Defined in all library unit entities. Set if the library unit has an
-- All_Calls_Remote pragma. Note that such entities must also be RCI
-- entities, so the flag Is_Remote_Call_Interface will always be set if
-- this flag is set.
-- Has_Anonymous_Master (Flag253)
-- Defined in units (top-level functions and procedures, library-level
-- packages). Set if the associated unit contains a heterogeneous
-- finalization master. The master's name is of the form <unit>AM and it
-- services anonymous access-to-controlled types with an undetermined
-- lifetime.
-- Has_Atomic_Components (Flag86) [implementation base type only]
-- Defined in all types and objects. Set only for an array type or
-- an array object if a valid pragma Atomic_Components applies to the
-- type or object. Note that in the case of an object, this flag is
-- only set on the object if there was an explicit pragma for the
-- object. In other words, the proper test for whether an object has
-- atomic components is to see if either the object or its base type
-- has this flag set. Note that in the case of a type, the pragma will
-- be chained to the rep item chain of the first subtype in the usual
-- manner.
-- Has_Attach_Handler (synthesized)
-- Applies to record types that are constructed by the expander to
-- represent protected types. Returns True if there is at least one
-- Attach_Handler pragma in the corresponding specification.
-- Has_Biased_Representation (Flag139)
-- Defined in discrete types (where it applies to the type'size value),
-- and to objects (both stand-alone and components), where it applies to
-- the size of the object from a size or record component clause. In
-- all cases it indicates that the size in question is smaller than
-- would normally be required, but that the size requirement can be
-- satisfied by using a biased representation, in which stored values
-- have the low bound (Expr_Value (Type_Low_Bound (T)) subtracted to
-- reduce the required size. For example, a type with a range of 1..2
-- takes one bit, using 0 to represent 1 and 1 to represent 2.
--
-- Note that in the object and component cases, the flag is only set if
-- the type is unbiased, but the object specifies a smaller size than the
-- size of the type, forcing biased representation for the object, but
-- the subtype is still an unbiased type.
-- Has_Completion (Flag26)
-- Defined in all entities that require a completion (functions,
-- procedures, private types, limited private types, incomplete types,
-- constants and packages that require a body). The flag is set if the
-- completion has been encountered and analyzed.
-- Has_Completion_In_Body (Flag71)
-- Defined in all entities for types and subtypes. Set only in "Taft
-- amendment types" (incomplete types whose full declaration appears in
-- the package body).
-- Has_Complex_Representation (Flag140) [implementation base type only]
-- Defined in all type entities. Set only for a record base type to
-- which a valid pragma Complex_Representation applies.
-- Has_Component_Size_Clause (Flag68) [implementation base type only]
-- Defined in all type entities. Set if a component size clause is
-- Defined for the given type. Note that this flag can be False even
-- if Component_Size is non-zero (happens in the case of derived types).
-- Has_Constrained_Partial_View (Flag187)
-- Defined in private type and their completions, when the private
-- type has no discriminants and the full view has discriminants with
-- defaults. In Ada 2005 heap-allocated objects of such types are not
-- constrained, and can change their discriminants with full assignment.
--
-- Ada 2012 has an additional rule (3.3. (23/10.3)) concerning objects
-- declared in a generic package body. Objects whose type is an untagged
-- generic formal private type are considered to have a constrained
-- partial view. The predicate Object_Type_Has_Constrained_Partial_View
-- in sem_aux is used to test for this case.
-- Has_Contiguous_Rep (Flag181)
-- Defined in enumeration types. Set if the type as a representation
-- clause whose entries are successive integers.
-- Has_Controlling_Result (Flag98)
-- Defined in E_Function entities. Set if the function is a primitive
-- function of a tagged type which can dispatch on result.
-- Has_Controlled_Component (Flag43) [base type only]
-- Defined in all type and subtype entities. Set only for composite type
-- entities which contain a component that either is a controlled type,
-- or itself contains controlled component (i.e. either Is_Controlled or
-- Has_Controlled_Component is set for at least one component).
-- Has_Convention_Pragma (Flag119)
-- Defined in all entities. Set for an entity for which a valid pragma
-- Convention, Import, or Export has been given. Used to prevent more
-- than one such pragma appearing for a given entity (RM B.1(45)).
-- Has_Default_Aspect (Flag39) [base type only]
-- Defined in entities for types and subtypes, set for scalar types with
-- a Default_Value aspect and array types with a Default_Component_Value
-- apsect. If this flag is set, then a corresponding aspect specification
-- node will be present on the rep item chain for the entity.
-- Has_Default_Init_Cond (Flag3)
-- Defined in type and subtype entities. Set if pragma Default_Initial_
-- Condition applies to the type or subtype. This flag must be mutually
-- exclusive with Has_Inherited_Default_Init_Cond.
-- Has_Delayed_Aspects (Flag200)
-- Defined in all entities. Set if the Rep_Item chain for the entity has
-- one or more N_Aspect_Definition nodes chained which are not to be
-- evaluated till the freeze point. The aspect definition expression
-- clause has been preanalyzed to get visibility at the point of use,
-- but no other action has been taken.
-- Has_Delayed_Freeze (Flag18)
-- Defined in all entities. Set to indicate that an explicit freeze
-- node must be generated for the entity at its freezing point. See
-- separate section ("Delayed Freezing and Elaboration") for details.
-- Has_Delayed_Rep_Aspects (Flag261)
-- Defined in all type and subtypes. This flag is set if there is at
-- least one aspect for a representation characteristic that has to be
-- delayed and is one of the characteristics that may be inherited by
-- types derived from this type if not overridden. If this flag is set,
-- then types derived from this type have May_Inherit_Delayed_Rep_Aspects
-- set, signalling that Freeze.Inhert_Delayed_Rep_Aspects must be called
-- at the freeze point of the derived type.
-- Has_Discriminants (Flag5)
-- Defined in all types and subtypes. For types that are allowed to have
-- discriminants (record types and subtypes, task types and subtypes,
-- protected types and subtypes, private types, limited private types,
-- and incomplete types), indicates if the corresponding type or subtype
-- has a known discriminant part. Always false for all other types.
-- Has_Dispatch_Table (Flag220)
-- Defined in E_Record_Types that are tagged. Set to indicate that the
-- corresponding dispatch table is already built. This flag is used to
-- avoid duplicate construction of library level dispatch tables (because
-- the declaration of library level objects cause premature construction
-- of the table); otherwise the code that builds the table is added at
-- the end of the list of declarations of the package.
-- Has_Dynamic_Predicate_Aspect (Flag258)
-- Defined in all types and subtypes. Set if a Dynamic_Predicate aspect
-- was explicitly applied to the type. Generally we treat predicates as
-- static if possible, regardless of whether they are specified using
-- Predicate, Static_Predicate, or Dynamic_Predicate. And if a predicate
-- can be treated as static (i.e. its expression is predicate-static),
-- then the flag Has_Static_Predicate will be set True. But there are
-- cases where legality is affected by the presence of an explicit
-- Dynamic_Predicate aspect. For example, even if a predicate looks
-- static, you can't use it in a case statement if there is an explicit
-- Dynamic_Predicate aspect specified. So test Has_Static_Predicate if
-- you just want to know if the predicate can be evaluated statically,
-- but test Has_Dynamic_Predicate_Aspect to enforce legality rules about
-- the use of dynamic predicates.
-- Has_Entries (synthesized)
-- Applies to concurrent types. True if any entries are declared
-- within the task or protected definition for the type.
-- Has_Enumeration_Rep_Clause (Flag66)
-- Defined in enumeration types. Set if an enumeration representation
-- clause has been given for this enumeration type. Used to prevent more
-- than one enumeration representation clause for a given type. Note
-- that this does not imply a representation with holes, since the rep
-- clause may merely confirm the default 0..N representation.
-- Has_Exit (Flag47)
-- Defined in loop entities. Set if the loop contains an exit statement.
-- Has_Expanded_Contract (Flag240)
-- Defined in functions, procedures, entries, and entry families. Set
-- when a subprogram has a N_Contract node that has been expanded. The
-- flag prevents double expansion of a contract when a construct is
-- rewritten into something else and subsequently reanalyzed/expanded.
-- Has_Foreign_Convention (synthesized)
-- Applies to all entities. Determines if the Convention for the
-- entity is a foreign convention (i.e. is other than Convention_Ada,
-- Convention_Intrinsic, Convention_Entry or Convention_Protected).
-- Has_Forward_Instantiation (Flag175)
-- Defined in package entities. Set for packages that instantiate local
-- generic entities before the corresponding generic body has been seen.
-- If a package has a forward instantiation, we cannot inline subprograms
-- appearing in the same package because the placement requirements of
-- the instance will conflict with the linear elaboration of front-end
-- inlining.
-- Has_Fully_Qualified_Name (Flag173)
-- Defined in all entities. Set if the name in the Chars field has been
-- replaced by the fully qualified name, as used for debug output. See
-- Exp_Dbug for a full description of the use of this flag and also the
-- related flag Has_Qualified_Name.
-- Has_Gigi_Rep_Item (Flag82)
-- Defined in all entities. Set if the rep item chain (referenced by
-- First_Rep_Item and linked through the Next_Rep_Item chain) contains a
-- representation item that needs to be specially processed by the back
-- end, i.e. one of the following items:
--
-- Machine_Attribute pragma
-- Linker_Alias pragma
-- Linker_Constructor pragma
-- Linker_Destructor pragma
-- Weak_External pragma
-- Thread_Local_Storage pragma
--
-- If this flag is set, then the backend should scan the rep item chain
-- to process any of these items that appear. At least one such item will
-- be present.
--
-- Has_Homonym (Flag56)
-- Defined in all entities. Set if an entity has a homonym in the same
-- scope. Used by the backend to generate unique names for all entities.
-- Has_Implicit_Dereference (Flag251)
-- Defined in types and discriminants. Set if the type has an aspect
-- Implicit_Dereference. Set also on the discriminant named in the aspect
-- clause, to simplify type resolution.
-- Has_Independent_Components (Flag34) [implementation base type only]
-- Defined in all types and objects. Set only for a record type or an
-- array type or array object if a valid pragma Independent_Components
-- applies to the type or object. Note that in the case of an object,
-- this flag is only set on the object if there was an explicit pragma
-- for the object. In other words, the proper test for whether an object
-- has independent components is to see if either the object or its base
-- type has this flag set. Note that in the case of a type, the pragma
-- will be chained to the rep item chain of the first subtype in the
-- usual manner.
-- Has_Inheritable_Invariants (Flag248)
-- Defined in all type entities. Set in private types from which one
-- or more Invariant'Class aspects will be inherited if a another type is
-- derived from the type (i.e. those types which have an Invariant'Class
-- aspect, or which inherit one or more Invariant'Class aspects). Also
-- set in the corresponding full types. Note that it might be the full
-- type which has inheritable invariants, and in this case the flag will
-- also be set in the private type.
-- Has_Inherited_Default_Init_Cond (Flag133)
-- Defined in type and subtype entities. Set if a derived type inherits
-- pragma Default_Initial_Condition from its parent type. This flag must
-- be mutually exclusive with Had_Default_Init_Cond.
-- Has_Initial_Value (Flag219)
-- Defined in entities for variables and out parameters. Set if there
-- is an explicit initial value expression in the declaration of the
-- variable. Note that this is set only if this initial value is
-- explicit, it is not set for the case of implicit initialization
-- of access types or controlled types. Always set to False for out
-- parameters. Also defined in entities for in and in-out parameters,
-- but always false in these cases.
-- Has_Interrupt_Handler (synthesized)
-- Applies to all protected type entities. Set if the protected type
-- definition contains at least one procedure to which a pragma
-- Interrupt_Handler applies.
-- Has_Invariants (Flag232)
-- Defined in all type entities and in subprogram entities. Set in
-- private types if an Invariant or Invariant'Class aspect applies to the
-- type, or if the type inherits one or more Invariant'Class aspects.
-- Also set in the corresponding full type. Note: if this flag is set
-- True, then usually the Invariant_Procedure attribute is set once the
-- type is frozen, however this may not be true in some error situations.
-- Note that it might be the full type which has inheritable invariants,
-- and then the flag will also be set in the private type.
-- Has_Loop_Entry_Attributes (Flag260)
-- Defined in E_Loop entities. Set when the loop is subject to at least
-- one attribute 'Loop_Entry. The flag also implies that the loop has
-- already been transformed. See Expand_Loop_Entry_Attribute for details.
-- Has_Machine_Radix_Clause (Flag83)
-- Defined in decimal types and subtypes, set if a Machine_Radix
-- representation clause is present. This flag is used to detect
-- the error of multiple machine radix clauses for a single type.
-- Has_Master_Entity (Flag21)
-- Defined in entities that can appear in the scope stack (see spec
-- of Sem). It is set if a task master entity (_master) has been
-- declared and initialized in the corresponding scope.
-- Has_Missing_Return (Flag142)
-- Defined in functions and generic functions. Set if there is one or
-- more missing return statements in the function. This is used to
-- control wrapping of the body in Exp_Ch6 to ensure that the program
-- error exception is correctly raised in this case at runtime.
-- Has_Nested_Block_With_Handler (Flag101)
-- Defined in scope entities. Set if there is a nested block within the
-- scope that has an exception handler and the two scopes are in the
-- same procedure. This is used by the backend for controlling certain
-- optimizations to ensure that they are consistent with exceptions.
-- See documentation in backend for further details.
-- Has_Nested_Subprogram (Flag282)
-- Defined in subprogram entities. Set for a subprogram which contains at
-- least one nested subprogram.
-- Has_Non_Null_Refinement (synth)
-- Defined in E_Abstract_State entities. True if the state has at least
-- one variable or state constituent in aspect/pragma Refined_State.
-- Has_Non_Standard_Rep (Flag75) [implementation base type only]
-- Defined in all type entities. Set when some representation clause
-- or pragma causes the representation of the item to be significantly
-- modified. In this category are changes of small or radix for a
-- fixed-point type, change of component size for an array, and record
-- or enumeration representation clauses, as well as packed pragmas.
-- All other representation clauses (e.g. Size and Alignment clauses)
-- are not considered to be significant since they do not affect
-- stored bit patterns.
-- Has_Null_Abstract_State (synth)
-- Defined in package entities. True if the package is subject to a null
-- Abstract_State aspect/pragma.
-- Has_Null_Refinement (synth)
-- Defined in E_Abstract_State entities. True if the state has a null
-- refinement in aspect/pragma Refined_State.
-- Has_Object_Size_Clause (Flag172)
-- Defined in entities for types and subtypes. Set if an Object_Size
-- clause has been processed for the type Used to prevent multiple
-- Object_Size clauses for a given entity.
-- Has_Out_Or_In_Out_Parameter (Flag110)
-- Present in function and generic function entities. Set if the function
-- has at least one OUT or IN OUT parameter (allowed only in Ada 2012).
-- Has_Per_Object_Constraint (Flag154)
-- Defined in E_Component entities. Set if the subtype of the component
-- has a per object constraint. Per object constraints result from the
-- following situations :
--
-- 1. N_Attribute_Reference - when the prefix is the enclosing type and
-- the attribute is Access.
-- 2. N_Discriminant_Association - when the expression uses the
-- discriminant of the enclosing type.
-- 3. N_Index_Or_Discriminant_Constraint - when at least one of the
-- individual constraints is a per object constraint.
-- 4. N_Range - when the lower or upper bound uses the discriminant of
-- the enclosing type.
-- 5. N_Range_Constraint - when the range expression uses the
-- discriminant of the enclosing type.
-- Has_Pragma_Controlled (Flag27) [implementation base type only]
-- Defined in access type entities. It is set if a pragma Controlled
-- applies to the access type.
-- Has_Pragma_Elaborate_Body (Flag150)
-- Defined in all entities. Set in compilation unit entities if a
-- pragma Elaborate_Body applies to the compilation unit.
-- Has_Pragma_Inline (Flag157)
-- Defined in all entities. Set for functions and procedures for which a
-- pragma Inline or Inline_Always applies to the subprogram. Note that
-- this flag can be set even if Is_Inlined is not set. This happens for
-- pragma Inline (if Inline_Active is False). In other words, the flag
-- Has_Pragma_Inline represents the formal semantic status, and is used
-- for checking semantic correctness. The flag Is_Inlined indicates
-- whether inlining is actually active for the entity.
-- Has_Pragma_Inline_Always (Flag230)
-- Defined in all entities. Set for functions and procedures for which a
-- pragma Inline_Always applies. Note that if this flag is set, the flag
-- Has_Pragma_Inline is also set.
-- Has_Pragma_No_Inline (Flag201)
-- Defined in all entities. Set for functions and procedures for which a
-- pragma No_Inline applies. Note that if this flag is set, the flag
-- Has_Pragma_Inline_Always cannot be set.
-- Has_Pragma_Ordered (Flag198) [implementation base type only]
-- Defined in entities for enumeration types. If set indicates that a
-- valid pragma Ordered was given for the type. This flag is inherited
-- by derived enumeration types. We don't need to distinguish the derived
-- case since we allow multiple occurrences of this pragma anyway.
-- Has_Pragma_Pack (Flag121) [implementation base type only]
-- Defined in array and record type entities. If set, indicates that a
-- valid pragma Pack was given for the type. Note that this flag is not
-- inherited by derived type. See also the Is_Packed flag.
-- Has_Pragma_Pure (Flag203)
-- Defined in all entities. If set, indicates that a valid pragma Pure
-- was given for the entity. In some cases, we need to test whether
-- Is_Pure was explicitly set using this pragma.
-- Has_Pragma_Preelab_Init (Flag221)
-- Defined in type and subtype entities. If set indicates that a valid
-- pragma Preelaborable_Initialization applies to the type.
-- Has_Pragma_Pure_Function (Flag179)
-- Defined in all entities. If set, indicates that a valid pragma
-- Pure_Function was given for the entity. In some cases, we need to
-- know that Is_Pure was explicitly set using this pragma. We also set
-- this flag for some internal entities that we know should be treated
-- as pure for optimization purposes.
-- Has_Pragma_Thread_Local_Storage (Flag169)
-- Defined in all entities. If set, indicates that a valid pragma
-- Thread_Local_Storage was given for the entity.
-- Has_Pragma_Unmodified (Flag233)
-- Defined in all entities. Can only be set for variables (E_Variable,
-- E_Out_Parameter, E_In_Out_Parameter). Set if a valid pragma Unmodified
-- applies to the variable, indicating that no warning should be given
-- if the entity is never modified. Note that clients should generally
-- not test this flag directly, but instead use function Has_Unmodified.
-- Has_Pragma_Unreferenced (Flag180)
-- Defined in all entities. Set if a valid pragma Unreferenced applies
-- to the entity, indicating that no warning should be given if the
-- entity has no references, but a warning should be given if it is
-- in fact referenced. For private types, this flag is set in both the
-- private entity and full entity if the pragma applies to either. Note
-- that clients should generally not test this flag directly, but instead
-- use function Has_Unreferenced.
-- Has_Pragma_Unreferenced_Objects (Flag212)
-- Defined in type and subtype entities. Set if a valid pragma
-- Unreferenced_Objects applies to the type, indicating that no warning
-- should be given for objects of such a type for being unreferenced
-- (but unlike the case with pragma Unreferenced, it is ok to reference
-- such an object and no warning is generated.
-- Has_Predicates (Flag250)
-- Defined in type and subtype entities. Set if a pragma Predicate or
-- Predicate aspect applies to the type or subtype, or if it inherits a
-- Predicate aspect from its parent or progenitor types.
-- Has_Primitive_Operations (Flag120) [base type only]
-- Defined in all type entities. Set if at least one primitive operation
-- is defined for the type.
-- Has_Private_Ancestor (Flag151)
-- Applies to type extensions. True if some ancestor is derived from a
-- private type, making some components invisible and aggregates illegal.
-- This flag is set at the point of derivation. The legality of the
-- aggregate must be rechecked because it also depends on the visibility
-- at the point the aggregate is resolved. See sem_aggr.adb. This is part
-- of AI05-0115.
-- Has_Private_Declaration (Flag155)
-- Defined in all entities. Set if it is the defining entity of a private
-- type declaration or its corresponding full declaration. This flag is
-- thus preserved when the full and the partial views are exchanged, to
-- indicate if a full type declaration is a completion. Used for semantic
-- checks in E.4(18) and elsewhere.
-- Has_Protected (Flag271) [base type only]
-- Defined in all type entities. Set on protected types themselves, and
-- also (recursively) on any composite type which has a component for
-- which Has_Protected is set. The meaning is that an allocator for
-- or declaration of such an object must create the required protected
-- objects. Note: the flag is not set on access types, even if they
-- designate an object that Has_Protected.
-- Has_Qualified_Name (Flag161)
-- Defined in all entities. Set if the name in the Chars field has
-- been replaced by its qualified name, as used for debug output. See
-- Exp_Dbug for a full description of qualification requirements. For
-- some entities, the name is the fully qualified name, but there are
-- exceptions. In particular, for local variables in procedures, we
-- do not include the procedure itself or higher scopes. See also the
-- flag Has_Fully_Qualified_Name, which is set if the name does indeed
-- include the fully qualified name.
-- Has_RACW (Flag214)
-- Defined in package spec entities. Set if the spec contains the
-- declaration of a remote access-to-classwide type.
-- Has_Record_Rep_Clause (Flag65) [implementation base type only]
-- Defined in record types. Set if a record representation clause has
-- been given for this record type. Used to prevent more than one such
-- clause for a given record type. Note that this is initially cleared
-- for a derived type, even though the representation is inherited. See
-- also the flag Has_Specified_Layout.
-- Has_Recursive_Call (Flag143)
-- Defined in procedures. Set if a direct parameterless recursive call
-- is detected while analyzing the body. Used to activate some error
-- checks for infinite recursion.
-- Has_Shift_Operator (Flag267) [base type only]
-- Defined in integer types. Set in the base type of an integer type for
-- which at least one of the shift operators is defined.
-- Has_Size_Clause (Flag29)
-- Defined in entities for types and objects. Set if a size clause is
-- defined for the entity. Used to prevent multiple Size clauses for a
-- given entity. Note that it is always initially cleared for a derived
-- type, even though the Size for such a type is inherited from a Size
-- clause given for the parent type.
-- Has_Small_Clause (Flag67)
-- Defined in ordinary fixed point types (but not subtypes). Indicates
-- that a small clause has been given for the entity. Used to prevent
-- multiple Small clauses for a given entity. Note that it is always
-- initially cleared for a derived type, even though the Small for such
-- a type is inherited from a Small clause given for the parent type.
-- Has_Specified_Layout (Flag100) [implementation base type only]
-- Defined in all type entities. Set for a record type or subtype if
-- the record layout has been specified by a record representation
-- clause. Note that this differs from the flag Has_Record_Rep_Clause
-- in that it is inherited by a derived type. Has_Record_Rep_Clause is
-- used to indicate that the type is mentioned explicitly in a record
-- representation clause, and thus is not inherited by a derived type.
-- This flag is always False for non-record types.
-- Has_Specified_Stream_Input (Flag190)
-- Has_Specified_Stream_Output (Flag191)
-- Has_Specified_Stream_Read (Flag192)
-- Has_Specified_Stream_Write (Flag193)
-- Defined in all type and subtype entities. Set for a given view if the
-- corresponding stream-oriented attribute has been defined by an
-- attribute definition clause. When such a clause occurs, a TSS is set
-- on the underlying full view; the flags are used to track visibility of
-- the attribute definition clause for partial or incomplete views.
-- Has_Static_Discriminants (Flag211)
-- Defined in record subtypes constrained by discriminant values. Set if
-- all the discriminant values have static values, meaning that in the
-- case of a variant record, the component list can be trimmed down to
-- include only the components corresponding to these discriminants.
-- Has_Static_Predicate (Flag269)
-- Defined in all types and subtypes. Set if the type (which must be a
-- scalar type) has a predicate whose expression is predicate-static.
-- This can result from the use of any Predicate, Static_Predicate, or
-- Dynamic_Predicate aspect. We can distinguish these cases by testing
-- Has_Static_Predicate_Aspect and Has_Dynamic_Predicate_Aspect. See
-- description of the latter flag for further information on dynamic
-- predicates which are also static.
-- Has_Static_Predicate_Aspect (Flag259)
-- Defined in all types and subtypes. Set if a Static_Predicate aspect
-- applies to the type. Note that we can tell if a static predicate is
-- present by looking at Has_Static_Predicate, but this could have come
-- from a Predicate aspect or pragma or even from a Dynamic_Predicate
-- aspect. When we need to know the difference (e.g. to know what set of
-- check policies apply, use this flag and Has_Dynamic_Predicate_Aspect
-- to determine which case we have).
-- Has_Storage_Size_Clause (Flag23) [implementation base type only]
-- Defined in task types and access types. It is set if a Storage_Size
-- clause is present for the type. Used to prevent multiple clauses for
-- one type. Note that this flag is initially cleared for a derived type
-- even though the Storage_Size for such a type is inherited from a
-- Storage_Size clause given for the parent type. Note that in the case
-- of access types, this flag is defined only in the root type, since a
-- storage size clause cannot be given to a derived type.
-- Has_Stream_Size_Clause (Flag184)
-- Defined in all entities. It is set for types which have a Stream_Size
-- clause attribute. Used to prevent multiple Stream_Size clauses for a
-- given entity, and also whether it is necessary to check for a stream
-- size clause.
-- Has_Task (Flag30) [base type only]
-- Defined in all type entities. Set on task types themselves, and also
-- (recursively) on any composite type which has a component for which
-- Has_Task is set. The meaning is that an allocator or declaration of
-- such an object must create the required tasks. Note: the flag is not
-- set on access types, even if they designate an object that Has_Task.
-- Has_Thunks (Flag228)
-- Applies to E_Constant entities marked Is_Tag. True for secondary tag
-- referencing a dispatch table whose contents are pointers to thunks.
-- Has_Unchecked_Union (Flag123) [base type only]
-- Defined in all type entities. Set on unchecked unions themselves
-- and (recursively) on any composite type which has a component for
-- which Has_Unchecked_Union is set. The meaning is that a comparison
-- operation or 'Valid_Scalars reference for the type is not permitted.
-- Note that the flag is not set on access types, even if they designate
-- an object that has the flag Has_Unchecked_Union set.
-- Has_Unknown_Discriminants (Flag72)
-- Defined in all entities. Set for types with unknown discriminants.
-- Types can have unknown discriminants either from their declaration or
-- through type derivation. The use of this flag exactly meets the spec
-- in RM 3.7(26). Note that all class-wide types are considered to have
-- unknown discriminants. Note that both flags Has_Discriminants and
-- Has_Unknown_Discriminants may be true for a type. Class-wide types and
-- their subtypes have unknown discriminants and can have declared ones
-- as well. Private types declared with unknown discriminants may have a
-- full view that has explicit discriminants, and both flag will be set
-- on the partial view, to insure that discriminants are properly
-- inherited in certain contexts.
-- Has_Uplevel_Reference (Flag215)
-- Defined in all entities. Indicates that the entity is locally defined
-- within a subprogram P, and there is a reference to the entity within
-- a subprogram nested within P (at any depth). Set only for the VM case
-- (where it is set for variables, constants and loop parameters), and in
-- the case where we are unnesting nested subprograms (in which case it
-- is also set for types and subtypes which are not static types, and
-- that are referenced uplevel, as well as for subprograms that contain
-- uplevel references or call other subprograms (Exp_Unst has details).
-- Has_Visible_Refinement (Flag263)
-- Defined in E_Abstract_State entities. Set when a state has at least
-- one refinement constituent and analysis is in the region between
-- pragma Refined_State and the end of the package body declarations.
-- Has_Volatile_Components (Flag87) [implementation base type only]
-- Defined in all types and objects. Set only for an array type or array
-- object if a valid pragma Volatile_Components or a valid pragma
-- Atomic_Components applies to the type or object. Note that in the case
-- of an object, this flag is only set on the object if there was an
-- explicit pragma for the object. In other words, the proper test for
-- whether an object has volatile components is to see if either the
-- object or its base type has this flag set. Note that in the case of a
-- type the pragma will be chained to the rep item chain of the first
-- subtype in the usual manner.
-- Has_Xref_Entry (Flag182)
-- Defined in all entities. Set if an entity has an entry in the Xref
-- information generated in ali files. This is true for all source
-- entities in the extended main source file. It is also true of entities
-- in other packages that are referenced directly or indirectly from the
-- main source file (indirect reference occurs when the main source file
-- references an entity with a type reference. See package Lib.Xref for
-- further details).
-- Hiding_Loop_Variable (Node8)
-- Defined in variables. Set only if a variable of a discrete type is
-- hidden by a loop variable in the same local scope, in which case
-- the Hiding_Loop_Variable field of the hidden variable points to
-- the E_Loop_Parameter entity doing the hiding. Used in processing
-- warning messages if the hidden variable turns out to be unused
-- or is referenced without being set.
-- Homonym (Node4)
-- Defined in all entities. Link for list of entities that have the
-- same source name and that are declared in the same or enclosing
-- scopes. Homonyms in the same scope are overloaded. Used for name
-- resolution and for the generation of debugging information.
-- Implementation_Base_Type (synthesized)
-- Applies to all entities. For types, similar to Base_Type, but never
-- returns a private type when applied to a non-private type. Instead in
-- this case, it always returns the Underlying_Type of the base type, so
-- that we still have a concrete type. For entities other than types,
-- returns the entity unchanged.
-- Import_Pragma (Node35)
-- Defined in subprogram entities. Set if a valid pragma Import or pragma
-- Import_Function or pragma Import_Procedure applies to the subprogram,
-- in which case this field points to the pragma (we can't use the normal
-- Rep_Item chain mechanism, because a single pragma Import can apply
-- to multiple subprogram entities).
-- In_Package_Body (Flag48)
-- Defined in package entities. Set on the entity that denotes the
-- package (the defining occurrence of the package declaration) while
-- analyzing and expanding the package body. Reset on completion of
-- analysis/expansion.
-- In_Private_Part (Flag45)
-- Defined in all entities. Can be set only in package entities and
-- objects. For package entities, this flag is set to indicate that the
-- private part of the package is being analyzed. The flag is reset at
-- the end of the package declaration. For objects it indicates that the
-- declaration of the object occurs in the private part of a package.
-- Initialization_Statements (Node28)
-- Defined in constants and variables. For a composite object initialized
-- initialized with an aggregate that has been converted to a sequence
-- of assignments, points to a block statement containing the
-- assignments.
-- Inner_Instances (Elist23)
-- Defined in generic units. Contains element list of units that are
-- instantiated within the given generic. Used to diagnose circular
-- instantiations.
-- Interface_Alias (Node25)
-- Defined in subprograms that cover a primitive operation of an abstract
-- interface type. Can be set only if the Is_Hidden flag is also set,
-- since such entities are always hidden. Points to its associated
-- interface subprogram. It is used to register the subprogram in
-- secondary dispatch table of the interface (Ada 2005: AI-251).
-- Interface_Name (Node21)
-- Defined in constants, variables, exceptions, functions, procedures,
-- packages, components (JGNAT only), discriminants (JGNAT only), and
-- access to subprograms (JGNAT only). Set to Empty unless an export,
-- import, or interface name pragma has explicitly specified an external
-- name, in which case it references an N_String_Literal node for the
-- specified external name. Note that if this field is Empty, and
-- Is_Imported or Is_Exported is set, then the default interface name
-- is the name of the entity, cased in a manner that is appropriate to
-- the system in use. Note that Interface_Name is ignored if an address
-- clause is present (since it is meaningless in this case).
--
-- An additional special case usage of this field is in JGNAT for
-- E_Component and E_Discriminant. JGNAT allows these entities to be
-- imported by specifying pragma Import within a component's containing
-- record definition. This supports interfacing to object fields defined
-- within Java classes, and such pragmas are generated by the jvm2ada
-- binding generator tool whenever it processes classes with public
-- object fields. A pragma Import for a component can define the
-- External_Name of the imported Java field (which is generally needed,
-- because Java names are case sensitive).
-- Interfaces (Elist25)
-- Defined in record types and subtypes. List of abstract interfaces
-- implemented by a tagged type that are not already implemented by the
-- ancestors (Ada 2005: AI-251).
-- Invariant_Procedure (synthesized)
-- Defined in types and subtypes. Set for private types if one or more
-- Invariant, or Invariant'Class, or inherited Invariant'Class aspects
-- apply to the type. Points to the entity for a procedure which checks
-- the invariant. This invariant procedure takes a single argument of the
-- given type, and returns if the invariant holds, or raises exception
-- Assertion_Error with an appropriate message if it does not hold. This
-- attribute is defined but always empty for private subtypes. This
-- attribute is also set for the corresponding full type.
--
-- Note: the reason this is marked as a synthesized attribute is that the
-- way this is stored is as an element of the Subprograms_For_Type field.
-- In_Use (Flag8)
-- Defined in packages and types. Set when analyzing a use clause for
-- the corresponding entity. Reset at end of corresponding declarative
-- part. The flag on a type is also used to determine the visibility of
-- the primitive operators of the type.
-- Is_Abstract_Subprogram (Flag19)
-- Defined in all subprograms and entries. Set for abstract subprograms.
-- Always False for enumeration literals and entries. See also
-- Requires_Overriding.
-- Is_Abstract_Type (Flag146)
-- Defined in all types. Set for abstract types.
-- Is_Access_Constant (Flag69)
-- Defined in access types and subtypes. Indicates that the keyword
-- constant was present in the access type definition.
-- Is_Access_Protected_Subprogram_Type (synthesized)
-- Applies to all types, true for named and anonymous access to
-- protected subprograms.
-- Is_Access_Type (synthesized)
-- Applies to all entities, true for access types and subtypes
-- Is_Ada_2005_Only (Flag185)
-- Defined in all entities, true if a valid pragma Ada_05 or Ada_2005
-- applies to the entity which specifically names the entity, indicating
-- that the entity is Ada 2005 only. Note that this flag is not set if
-- the entity is part of a unit compiled with the normal no-argument form
-- of pragma Ada_05 or Ada_2005.
-- Is_Ada_2012_Only (Flag199)
-- Defined in all entities, true if a valid pragma Ada_12 or Ada_2012
-- applies to the entity which specifically names the entity, indicating
-- that the entity is Ada 2012 only. Note that this flag is not set if
-- the entity is part of a unit compiled with the normal no-argument form
-- of pragma Ada_12 or Ada_2012.
-- Is_Aliased (Flag15)
-- Defined in all entities. Set for objects and types whose declarations
-- carry the keyword aliased, and on record components that have the
-- keyword. For Ada 2012, also applies to formal parameters.
-- Is_Atomic (Flag85)
-- Defined in all type entities, and also in constants, components and
-- variables. Set if a pragma Atomic or Shared applies to the entity.
-- In the case of private and incomplete types, this flag is set in
-- both the partial view and the full view.
-- Is_Array_Type (synthesized)
-- Applies to all entities, true for array types and subtypes
-- Is_Asynchronous (Flag81)
-- Defined in all type entities and in procedure entities. Set
-- if a pragma Asynchronous applies to the entity.
-- Is_Base_Type (synthesized)
-- Applies to type and subtype entities. True if entity is a base type
-- Is_Bit_Packed_Array (Flag122) [implementation base type only]
-- Defined in all entities. This flag is set for a packed array type that
-- is bit packed (i.e. the component size is known by the front end and
-- is in the range 1-7, 9-15, 17-31, or 33-63). Is_Packed is always set
-- if Is_Bit_Packed_Array is set, but it is possible for Is_Packed to be
-- set without Is_Bit_Packed_Array for the case of an array having one or
-- more index types that are enumeration types with non-standard
-- enumeration representations.
-- Is_Boolean_Type (synthesized)
-- Applies to all entities, true for boolean types and subtypes,
-- i.e. Standard.Boolean and all types ultimately derived from it.
-- Is_Called (Flag102)
-- Defined in subprograms. Returns true if the subprogram is called
-- in the unit being compiled or in a unit in the context. Used for
-- inlining.
-- Is_Character_Type (Flag63)
-- Defined in all entities. Set for character types and subtypes,
-- i.e. enumeration types that have at least one character literal.
-- Is_Checked_Ghost_Entity (Flag277)
-- Applies to all entities. Set for abstract states, [generic] packages,
-- [generic] subprograms, components, discriminants, formal parameters,
-- objects, package bodies, subprogram bodies, and [sub]types subject to
-- pragma Ghost or inherit "ghostness" from an enclosing construct, and
-- subject to Assertion_Policy Ghost => Check.
-- Is_Child_Unit (Flag73)
-- Defined in all entities. Set only for defining entities of program
-- units that are child units (but False for subunits).
-- Is_Class_Wide_Type (synthesized)
-- Applies to all entities, true for class wide types and subtypes
-- Is_Class_Wide_Equivalent_Type (Flag35)
-- Defined in record types and subtypes. Set to True, if the type acts
-- as a class-wide equivalent type, i.e. the Equivalent_Type field of
-- some class-wide subtype entity references this record type.
-- Is_Compilation_Unit (Flag149)
-- Defined in all entities. Set if the entity is a package or subprogram
-- entity for a compilation unit other than a subunit (since we treat
-- subunits as part of the same compilation operation as the ultimate
-- parent, we do not consider them to be separate units for this flag).
-- Is_Completely_Hidden (Flag103)
-- Defined in all entities. This flag can be set only for E_Discriminant
-- entities. This flag can be set only for girder discriminants of
-- untagged types. When set, the entity is a girder discriminant of a
-- derived untagged type which is not directly visible in the derived
-- type because the derived type or one of its ancestors have renamed the
-- discriminants in the root type. Note: there are girder discriminants
-- which are not Completely_Hidden (e.g. discriminants of a root type).
-- Is_Composite_Type (synthesized)
-- Applies to all entities, true for all composite types and
-- subtypes. Either Is_Composite_Type or Is_Elementary_Type (but
-- not both) is true of any type.
-- Is_Concurrent_Record_Type (Flag20)
-- Defined in record types and subtypes. Set if the type was created
-- by the expander to represent a task or protected type. For every
-- concurrent type, such as record type is constructed, and task and
-- protected objects are instances of this record type at runtime
-- (The backend will replace declarations of the concurrent type using
-- the declarations of the corresponding record type). See Exp_Ch9 for
-- further details.
-- Is_Concurrent_Type (synthesized)
-- Applies to all entities, true for task types and subtypes and for
-- protected types and subtypes.
-- Is_Constant_Object (synthesized)
-- Applies to all entities, true for E_Constant, E_Loop_Parameter, and
-- E_In_Parameter entities.
-- Is_Constrained (Flag12)
-- Defined in types or subtypes which may have index, discriminant
-- or range constraint (i.e. array types and subtypes, record types
-- and subtypes, string types and subtypes, and all numeric types).
-- Set if the type or subtype is constrained.
-- Is_Constr_Subt_For_U_Nominal (Flag80)
-- Defined in all types and subtypes. Set only for the constructed
-- subtype of an object whose nominal subtype is unconstrained. Note
-- that the constructed subtype itself will be constrained.
-- Is_Constr_Subt_For_UN_Aliased (Flag141)
-- Defined in all types and subtypes. This flag can be set only if
-- Is_Constr_Subt_For_U_Nominal is also set. It indicates that in
-- addition the object concerned is aliased. This flag is used by
-- the backend to determine whether a template must be constructed.
-- Is_Constructor (Flag76)
-- Defined in function and procedure entities. Set if a pragma
-- CPP_Constructor applies to the subprogram.
-- Is_Controlled (Flag42) [base type only]
-- Defined in all type entities. Indicates that the type is controlled,
-- i.e. is either a descendant of Ada.Finalization.Controlled or of
-- Ada.Finalization.Limited_Controlled.
-- Is_Controlling_Formal (Flag97)
-- Defined in all Formal_Kind entities. Marks the controlling parameters
-- of dispatching operations.
-- Is_CPP_Class (Flag74)
-- Defined in all type entities, set only for tagged types to which a
-- valid pragma Import (CPP, ...) or pragma CPP_Class has been applied.
-- Is_Decimal_Fixed_Point_Type (synthesized)
-- Applies to all type entities, true for decimal fixed point
-- types and subtypes.
-- Is_Default_Init_Cond_Procedure (Flag132)
-- Defined in functions and procedures. Set for a generated procedure
-- which verifies the assumption of pragma Default_Initial_Condition.
-- Is_Descendent_Of_Address (Flag223)
-- Defined in all entities. True if the entity is type System.Address,
-- or (recursively) a subtype or derived type of System.Address.
-- Is_Discrete_Type (synthesized)
-- Applies to all entities, true for all discrete types and subtypes
-- Is_Discrete_Or_Fixed_Point_Type (synthesized)
-- Applies to all entities, true for all discrete types and subtypes
-- and all fixed-point types and subtypes.
-- Is_Discrim_SO_Function (Flag176)
-- Defined in all entities. Set only in E_Function entities that Layout
-- creates to compute discriminant-dependent dynamic size/offset values.
-- Is_Discriminant_Check_Function (Flag264)
-- Defined in all entities. Set only in E_Function entities for functions
-- created to do discriminant checks.
-- Is_Discriminal (synthesized)
-- Applies to all entities, true for renamings of discriminants. Such
-- entities appear as constants or IN parameters.
-- Is_Dispatch_Table_Entity (Flag234)
-- Applies to all entities. Set to indicate to the backend that this
-- entity is associated with a dispatch table.
-- Is_Dispatching_Operation (Flag6)
-- Defined in all entities. Set for procedures, functions, generic
-- procedures, and generic functions if the corresponding operation
-- is dispatching.
-- Is_Dynamic_Scope (synthesized)
-- Applies to all Entities. Returns True if the entity is a dynamic
-- scope (i.e. a block, subprogram, task_type, entry
-- or extended return statement).
-- Is_Elementary_Type (synthesized)
-- Applies to all entities, true for all elementary types and
-- subtypes. Either Is_Composite_Type or Is_Elementary_Type (but
-- not both) is true of any type.
-- Is_Eliminated (Flag124)
-- Defined in type entities, subprogram entities, and object entities.
-- Indicates that the corresponding entity has been eliminated by use
-- of pragma Eliminate. Also used to mark subprogram entities whose
-- declaration and body are within unreachable code that is removed.
-- Is_Enumeration_Type (synthesized)
-- Defined in all entities, true for enumeration types and subtypes
-- Is_Entry (synthesized)
-- Applies to all entities, True only for entry and entry family
-- entities and False for all other entity kinds.
-- Is_Entry_Formal (Flag52)
-- Defined in all entities. Set only for entry formals (which can only
-- be in, in-out or out parameters). This flag is used to speed up the
-- test for the need to replace references in Exp_Ch2.
-- Is_Exported (Flag99)
-- Defined in all entities. Set if the entity is exported. For now we
-- only allow the export of constants, exceptions, functions, procedures
-- and variables, but that may well change later on. Exceptions can only
-- be exported in the Java VM implementation of GNAT.
-- Is_External_State (synthesized)
-- Applies to all entities, true for abstract states that are subject to
-- option External.
-- Is_Finalizer (synthesized)
-- Applies to all entities, true for procedures containing finalization
-- code to process local or library level objects.
-- Is_First_Subtype (Flag70)
-- Defined in all entities. True for first subtypes (RM 3.2.1(6)),
-- i.e. the entity in the type declaration that introduced the type.
-- This may be the base type itself (e.g. for record declarations and
-- enumeration type declarations), or it may be the first subtype of
-- an anonymous base type (e.g. for integer type declarations or
-- constrained array declarations).
-- Is_Fixed_Point_Type (synthesized)
-- Applies to all entities, true for decimal and ordinary fixed
-- point types and subtypes
-- Is_Floating_Point_Type (synthesized)
-- Applies to all entities, true for float types and subtypes
-- Is_Formal (synthesized)
-- Applies to all entities, true for IN, IN OUT and OUT parameters
-- Is_Formal_Object (synthesized)
-- Applies to all entities, true for generic IN and IN OUT parameters
-- Is_Formal_Subprogram (Flag111)
-- Defined in all entities. Set for generic formal subprograms.
-- Is_For_Access_Subtype (Flag118)
-- Defined in E_Private_Subtype and E_Record_Subtype entities. Means the
-- sole purpose of the type is to be designated by an Access_Subtype and
-- hence should not be expanded into components because the type may not
-- have been found or frozen yet.
-- Is_Frozen (Flag4)
-- Defined in all type and subtype entities. Set if type or subtype has
-- been frozen.
-- Is_Generic_Actual_Subprogram (Flag274)
-- Defined on functions and procedures. Set on the entity of the renaming
-- declaration created within an instance for an actual subprogram.
-- Used to generate constraint checks on calls to these subprograms, even
-- within an instance of a predefined run-time unit, in which checks
-- are otherwise suppressed.
--
-- The flag is also set on the entity of the expression function created
-- within an instance, for a function that has external axiomatization,
-- for use in GNATprove mode.
-- Is_Generic_Actual_Type (Flag94)
-- Defined in all type and subtype entities. Set in the subtype
-- declaration that renames the generic formal as a subtype of the
-- actual. Guarantees that the subtype is not static within the instance.
-- Also used during analysis of an instance, to simplify resolution of
-- accidental overloading that occurs when different formal types get the
-- same actual.
-- Is_Generic_Instance (Flag130)
-- Defined in all entities. Set to indicate that the entity is an
-- instance of a generic unit, or a formal package (which is an instance
-- of the template).
-- Is_Generic_Subprogram (synthesized)
-- Applies to all entities. Yields True for a generic subprogram
-- (generic function, generic subprogram), False for all other entities.
-- Is_Generic_Type (Flag13)
-- Defined in all entities. Set for types which are generic formal types.
-- Such types have an Ekind that corresponds to their classification, so
-- the Ekind cannot be used to identify generic formal types.
-- Is_Generic_Unit (synthesized)
-- Applies to all entities. Yields True for a generic unit (generic
-- package, generic function, generic procedure), and False for all
-- other entities.
-- Is_Hidden (Flag57)
-- Defined in all entities. Set for all entities declared in the
-- private part or body of a package. Also marks generic formals of a
-- formal package declared without a box. For library level entities,
-- this flag is set if the entity is not publicly visible. This flag
-- is reset when compiling the body of the package where the entity
-- is declared, when compiling the private part or body of a public
-- child unit, and when compiling a private child unit (see Install_
-- Private_Declaration in sem_ch7).
-- Is_Hidden_Non_Overridden_Subpgm (Flag2)
-- Defined in all entities. Set for implicitly declared subprograms
-- that require overriding or are null procedures, and are hidden by
-- a non-fully conformant homograph with the same characteristics
-- (Ada RM 8.3 12.3/2).
-- Is_Hidden_Open_Scope (Flag171)
-- Defined in all entities. Set for a scope that contains the
-- instantiation of a child unit, and whose entities are not visible
-- during analysis of the instance.
-- Is_Ignored_Ghost_Entity (Flag278)
-- Applies to all entities. Set for abstract states, [generic] packages,
-- [generic] subprograms, components, discriminants, formal parameters,
-- objects, package bodies, subprogram bodies, and [sub]types subject to
-- pragma Ghost or inherit "ghostness" from an enclosing construct, and
-- subject to Assertion_Policy Ghost => Ignore.
-- Is_Immediately_Visible (Flag7)
-- Defined in all entities. Set if entity is immediately visible, i.e.
-- is defined in some currently open scope (RM 8.3(4)).
-- Is_Implementation_Defined (Flag254)
-- Defined in all entities. Set if a pragma Implementation_Defined is
-- applied to the pragma. Used to mark all implementation defined
-- identifiers in standard library packages, and to implement the
-- restriction No_Implementation_Identifiers.
-- Is_Imported (Flag24)
-- Defined in all entities. Set if the entity is imported. For now we
-- only allow the import of exceptions, functions, procedures, packages.
-- and variables. Exceptions, packages and types can only be imported in
-- the Java VM implementation.
-- Is_Incomplete_Or_Private_Type (synthesized)
-- Applies to all entities, true for private and incomplete types
-- Is_Incomplete_Type (synthesized)
-- Applies to all entities, true for incomplete types and subtypes
-- Is_Independent (Flag268)
-- Defined in all type entities, and also in constants, components and
-- variables. Set if a valid pragma or aspect Independent applies to the
-- entity, or if a valid pragma or aspect Independent_Components applies
-- to the enclosing record type for a component. Also set if a pragma
-- Shared or pragma Atomic applies to the entity. In the case of private
-- and incomplete types, this flag is set in both the partial view and
-- the full view.
-- Is_Inlined (Flag11)
-- Defined in all entities. Set for functions and procedures which are
-- to be inlined. For subprograms created during expansion, this flag
-- may be set directly by the expander to request inlining. Also set
-- for packages that contain inlined subprograms, whose bodies must be
-- be compiled. Is_Inlined is also set on generic subprograms and is
-- inherited by their instances. It is also set on the body entities
-- of inlined subprograms. See also Has_Pragma_Inline.
-- Is_Inlined_Always (Flag1)
-- Defined in subprograms. Set for functions and procedures which are
-- always inlined in GNATprove mode. GNATprove uses this flag to know
-- when a body does not need to be analyzed. The value of this flag is
-- only meaningful if Body_To_Inline is not Empty for the subprogram.
-- Is_Instantiated (Flag126)
-- Defined in generic packages and generic subprograms. Set if the unit
-- is instantiated from somewhere in the extended main source unit. This
-- flag is used to control warnings about the unit being uninstantiated.
-- Also set in a package that is used as an actual for a generic package
-- formal in an instantiation. Also set on a parent instance, in the
-- instantiation of a child, which is implicitly declared in the parent.
-- Is_Integer_Type (synthesized)
-- Applies to all entities, true for integer types and subtypes
-- Is_Interface (Flag186)
-- Defined in record types and subtypes. Set to indicate that the current
-- entity corresponds with an abstract interface. Because abstract
-- interfaces are conceptually a special kind of abstract tagged types
-- we represent them by means of tagged record types and subtypes
-- marked with this attribute. This allows us to reuse most of the
-- compiler support for abstract tagged types to implement interfaces
-- (Ada 2005: AI-251).
-- Is_Internal (Flag17)
-- Defined in all entities. Set to indicate an entity created during
-- semantic processing (e.g. an implicit type, or a temporary). The
-- current uses of this flag are:
--
-- 1) Internal entities (such as temporaries generated for the result
-- of an inlined function call or dummy variables generated for the
-- debugger). Set to indicate that they need not be initialized, even
-- when scalars are initialized or normalized;
--
-- 2) Predefined primitives of tagged types. Set to mark that they
-- have specific properties: first they are primitives even if they
-- are not defined in the type scope (the freezing point is not
-- necessarily in the same scope), and second the predefined equality
-- can be overridden by a user-defined equality, no body will be
-- generated in this case.
--
-- 3) Object declarations generated by the expander that are implicitly
-- imported or exported so that they can be marked in Sprint output.
--
-- 4) Internal entities in the list of primitives of tagged types that
-- are used to handle secondary dispatch tables. These entities have
-- also the attribute Interface_Alias.
-- Is_Interrupt_Handler (Flag89)
-- Defined in procedures. Set if a pragma Interrupt_Handler applies
-- to the procedure. The procedure must be parameterless, and on all
-- targets except AAMP it must be a protected procedure.
-- Is_Intrinsic_Subprogram (Flag64)
-- Defined in functions and procedures. It is set if a valid pragma
-- Interface or Import is present for this subprogram specifying pragma
-- Intrinsic. Valid means that the name and profile of the subprogram
-- match the requirements of one of the recognized intrinsic subprograms
-- (see package Sem_Intr for details). Note: the value of Convention for
-- such an entity will be set to Convention_Intrinsic, but it is the
-- setting of Is_Intrinsic_Subprogram, NOT simply having convention set
-- to intrinsic, which causes intrinsic code to be generated.
-- Is_Invariant_Procedure (Flag257)
-- Defined in functions an procedures. Set for a generated invariant
-- procedure to identify it easily in the
-- Is_Itype (Flag91)
-- Defined in all entities. Set to indicate that a type is an Itype,
-- which means that the declaration for the type does not appear
-- explicitly in the tree. Instead the backend will elaborate the type
-- when it is first used. Has_Delayed_Freeze can be set for Itypes, and
-- the meaning is that the first use (the one which causes the type to be
-- defined) will be the freeze node. Note that an important restriction
-- on Itypes is that the first use of such a type (the one that causes it
-- to be defined) must be in the same scope as the type.
-- Is_Known_Non_Null (Flag37)
-- Defined in all entities. Relevant (and can be set) only for
-- objects of an access type. It is set if the object is currently
-- known to have a non-null value (meaning that no access checks
-- are needed). The indication can for example come from assignment
-- of an access parameter or an allocator whose value is known non-null.
--
-- Note: this flag is set according to the sequential flow of the
-- program, watching the current value of the variable. However, this
-- processing can miss cases of changing the value of an aliased or
-- constant object, so even if this flag is set, it should not be
-- believed if the variable is aliased or volatile. It would be a
-- little neater to avoid the flag being set in the first place in
-- such cases, but that's trickier, and there is only one place that
-- tests the value anyway.
--
-- The flag is dynamically set and reset as semantic analysis and
-- expansion proceeds. Its value is meaningless once the tree is
-- fully constructed, since it simply indicates the last state.
-- Thus this flag has no meaning to the backend.
-- Is_Known_Null (Flag204)
-- Defined in all entities. Relevant (and can be set ) only for
-- objects of an access type. It is set if the object is currently known
-- to have a null value (meaning that a dereference will surely raise
-- constraint error exception). The indication can come from an
-- assignment or object declaration.
--
-- The comments above about sequential flow and aliased and volatile for
-- the Is_Known_Non_Null flag apply equally to the Is_Known_Null flag.
-- Is_Known_Valid (Flag170)
-- Defined in all entities. Relevant for types (and subtype) and
-- for objects (and enumeration literals) of a discrete type.
--
-- The purpose of this flag is to implement the requirement stated
-- in (RM 13.9.1(9-11)) which require that the use of possibly invalid
-- values may not cause programs to become erroneous. See the function
-- Checks.Expr_Known_Valid for further details. Note that the setting
-- is conservative, in the sense that if the flag is set, it must be
-- right. If the flag is not set, nothing is known about the validity.
--
-- For enumeration literals, the flag is always set, since clearly
-- an enumeration literal represents a valid value. Range checks
-- where necessary will ensure that this valid value is appropriate.
--
-- For objects, the flag indicates the state of knowledge about the
-- current value of the object. This may be modified during expansion,
-- and thus the final value is not relevant to the backend.
--
-- For types and subtypes, the flag is set if all possible bit patterns
-- of length Object_Size (i.e. Esize of the type) represent valid values
-- of the type. In general for such tytpes, all values are valid, the
-- only exception being the case where an object of the type has an
-- explicit size that is greater than Object_Size.
--
-- For non-discrete objects, the setting of the Is_Known_Valid flag is
-- not defined, and is not relevant, since the considerations of the
-- requirement in (RM 13.9.1(9-11)) do not apply.
--
-- The flag is dynamically set and reset as semantic analysis and
-- expansion proceeds. Its value is meaningless once the tree is
-- fully constructed, since it simply indicates the last state.
-- Thus this flag has no meaning to the backend.
-- Is_Limited_Composite (Flag106)
-- Defined in all entities. Set for composite types that have a limited
-- component. Used to enforce the rule that operations on the composite
-- type that depend on the full view of the component do not become
-- visible until the immediate scope of the composite type itself
-- (RM 7.3.1 (5)).
-- Is_Limited_Interface (Flag197)
-- Defined in record types and subtypes. True for interface types, if
-- interface is declared limited, task, protected, or synchronized, or
-- is derived from a limited interface.
-- Is_Limited_Record (Flag25)
-- Defined in all entities. Set to true for record (sub)types if the
-- record is declared to be limited. Note that this flag is not set
-- simply because some components of the record are limited.
-- Is_Local_Anonymous_Access (Flag194)
-- Defined in access types. Set for an anonymous access type to indicate
-- that the type is created for a record component with an access
-- definition, an array component, or (pre-Ada 2012) a standalone object.
-- Such anonymous types have an accessibility level equal to that of the
-- declaration in which they appear, unlike the anonymous access types
-- that are created for access parameters, access discriminants, and
-- (as of Ada 2012) stand-alone objects.
-- Is_Machine_Code_Subprogram (Flag137)
-- Defined in subprogram entities. Set to indicate that the subprogram
-- is a machine code subprogram (i.e. its body includes at least one
-- code statement). Also indicates that all necessary semantic checks
-- as required by RM 13.8(3) have been performed.
-- Is_Modular_Integer_Type (synthesized)
-- Applies to all entities. True if entity is a modular integer type
-- Is_Non_Static_Subtype (Flag109)
-- Defined in all type and subtype entities. It is set in some (but not
-- all) cases in which a subtype is known to be non-static. Before this
-- flag was added, the computation of whether a subtype was static was
-- entirely synthesized, by looking at the bounds, and the immediate
-- subtype parent. However, this method does not work for some Itypes
-- that have no parent set (and the only way to find the immediate
-- subtype parent is to go through the tree). For now, this flag is set
-- conservatively, i.e. if it is set then for sure the subtype is non-
-- static, but if it is not set, then the type may or may not be static.
-- Thus the test for a static subtype is that this flag is clear AND that
-- the bounds are static AND that the parent subtype (if available to be
-- tested) is static. Eventually we should make sure this flag is always
-- set right, at which point, these comments can be removed, and the
-- tests for static subtypes greatly simplified.
-- Is_Null_Init_Proc (Flag178)
-- Defined in procedure entities. Set for generated init proc procedures
-- (used to initialize composite types), if the code for the procedure
-- is null (i.e. is a return and nothing else). Such null initialization
-- procedures are generated in case some client is compiled using the
-- Initialize_Scalars pragma, generating a call to this null procedure,
-- but there is no need to call such procedures within a compilation
-- unit, and this flag is used to suppress such calls.
-- Is_Null_State (synthesized)
-- Applies to all entities, true for an abstract state declared with
-- keyword null.
-- Is_Numeric_Type (synthesized)
-- Applies to all entities, true for all numeric types and subtypes
-- (integer, fixed, float).
-- Is_Object (synthesized)
-- Applies to all entities, true for entities representing objects,
-- including generic formal parameters.
-- Is_Obsolescent (Flag153)
-- Defined in all entities. Set for any entity to which a valid pragma
-- or aspect Obsolescent applies.
-- Is_Only_Out_Parameter (Flag226)
-- Defined in formal parameter entities. Set if this parameter is the
-- only OUT parameter for this formal part. If there is more than one
-- out parameter, or if there is some other IN OUT parameter then this
-- flag is not set in any of them. Used in generation of warnings.
-- Is_Ordinary_Fixed_Point_Type (synthesized)
-- Applies to all entities, true for ordinary fixed point types and
-- subtypes.
-- Is_Package_Or_Generic_Package (synthesized)
-- Applies to all entities. True for packages and generic packages.
-- False for all other entities.
-- Is_Package_Body_Entity (Flag160)
-- Defined in all entities. Set for entities defined at the top level
-- of a package body. Used to control externally generated names.
-- Is_Packed (Flag51) [implementation base type only]
-- Defined in all type entities. This flag is set only for record and
-- array types which have a packed representation. There are three
-- cases which cause packing:
--
-- 1. Explicit use of pragma Pack for an array of package components
-- 2. Explicit use of pragma Pack to pack a record
-- 4. Setting Component_Size of an array to a bit-packable value
-- 3. Indexing an array with a non-standard enumeration type.
--
-- For records, Is_Packed is always set if Has_Pragma_Pack is set,
-- and can also be set on its own in a derived type which inherited
-- its packed status.
--
-- For arrays, Is_Packed is set if an array is bit packed (i.e. the
-- component size is known at compile time and is 1-7, 9-15 or 17-31),
-- or if the array has one or more index types that are enumeration
-- types with non-standard representations (in GNAT, we store such
-- arrays compactly, using the Pos of the enumeration type value).
--
-- As for the case of records, Is_Packed can be set on its own for a
-- derived type, with the same dual before/after freeze meaning.
-- Is_Packed can also be set as the result of an explicit component
-- size clause that specifies an appropriate component size.
--
-- In the bit packed array case, Is_Bit_Packed_Array will be set in
-- the bit packed case once the array type is frozen.
--
-- Before an array type is frozen, Is_Packed will always be set if
-- Has_Pragma_Pack is set. Before the freeze point, it is not possible
-- to know the component size, since the component type is not frozen
-- until the array type is frozen. Thus Is_Packed for an array type
-- before it is frozen means that packed is required. Then if it turns
-- out that the component size is not suitable for bit packing, the
-- Is_Packed flag gets turned off.
-- Is_Packed_Array (synth)
-- Applies to all entities, true if entity is for a packed array.
-- Is_Packed_Array_Impl_Type (Flag138)
-- Defined in all entities. This flag is set on the entity for the type
-- used to implement a packed array (either a modular type, or a subtype
-- of Packed_Bytes{1,2,4} as appropriate). The flag is set if and only
-- if the type appears in the Packed_Array_Impl_Type field of some other
-- entity. It is used by the backend to activate the special processing
-- for such types (unchecked conversions that would not otherwise be
-- allowed are allowed for such types). If Is_Packed_Array_Impl_Type is
-- set in an entity, then the Original_Array_Type field of this entity
-- points to the array type for which this is the Packed_Array_Impl_Type.
-- Is_Potentially_Use_Visible (Flag9)
-- Defined in all entities. Set if entity is potentially use visible,
-- i.e. it is defined in a package that appears in a currently active
-- use clause (RM 8.4(8)). Note that potentially use visible entities
-- are not necessarily use visible (RM 8.4(9-11)).
-- Is_Predicate_Function (Flag255)
-- Present in functions and procedures. Set for generated predicate
-- functions.
-- Is_Predicate_Function_M (Flag256)
-- Present in functions and procedures. Set for special version of
-- predicate function generated for use in membership tests, where
-- raise expressions are transformed to return False.
-- Is_Preelaborated (Flag59)
-- Defined in all entities, set in E_Package and E_Generic_Package
-- entities to which a pragma Preelaborate is applied, and also in
-- all entities within such packages. Note that the fact that this
-- flag is set does not necesarily mean that no elaboration code is
-- generated for the package.
-- Is_Primitive (Flag218)
-- Defined in overloadable entities and in generic subprograms. Set to
-- indicate that this is a primitive operation of some type, which may
-- be a tagged type or an untagged type. Used to verify overriding
-- indicators in bodies.
-- Is_Primitive_Wrapper (Flag195)
-- Defined in functions and procedures created by the expander to serve
-- as an indirection mechanism to overriding primitives of concurrent
-- types, entries and protected procedures.
-- Is_Prival (synthesized)
-- Applies to all entities, true for renamings of private protected
-- components. Such entities appear as constants or variables.
-- Is_Private_Composite (Flag107)
-- Defined in composite types that have a private component. Used to
-- enforce the rule that operations on the composite type that depend
-- on the full view of the component, do not become visible until the
-- immediate scope of the composite type itself (7.3.1 (5)). Both this
-- flag and Is_Limited_Composite are needed.
-- Is_Private_Descendant (Flag53)
-- Defined in entities that can represent library units (packages,
-- functions, procedures). Set if the library unit is itself a private
-- child unit, or if it is the descendent of a private child unit.
-- Is_Private_Primitive (Flag245)
-- Defined in subprograms. Set if the operation is a primitive of a
-- tagged type (procedure or function dispatching on result) whose
-- full view has not been seen. Used in particular for primitive
-- subprograms of a synchronized type declared between the two views
-- of the type, so that the wrapper built for such a subprogram can
-- be given the proper signature.
-- Is_Private_Type (synthesized)
-- Applies to all entities, true for private types and subtypes,
-- as well as for record with private types as subtypes
-- Is_Processed_Transient (Flag252)
-- Defined in variables, loop parameters, and constants, including the
-- loop parameters of generalized iterators. Set when a transient object
-- needs to be finalized and has already been processed by the transient
-- scope machinery. This flag signals the general finalization mechanism
-- to ignore the transient object.
-- Is_Protected_Component (synthesized)
-- Applicable to all entities, true if the entity denotes a private
-- component of a protected type.
-- Is_Protected_Interface (synthesized)
-- Defined in types that are interfaces. True if interface is declared
-- protected, or is derived from protected interfaces.
-- Is_Protected_Type (synthesized)
-- Applies to all entities, true for protected types and subtypes
-- Is_Public (Flag10)
-- Defined in all entities. Set to indicate that an entity defined in
-- one compilation unit can be referenced from other compilation units.
-- If this reference causes a reference in the generated code, for
-- example in the case of a variable name, then the backend will generate
-- an appropriate external name for use by the linker.
-- Is_Protected_Record_Type (synthesized)
-- Applies to all entities, true if Is_Concurrent_Record_Type is true and
-- Corresponding_Concurrent_Type is a protected type.
-- Is_Pure (Flag44)
-- Defined in all entities. Set in all entities of a unit to which a
-- pragma Pure is applied except for non-intrinsic imported subprograms,
-- and also set for the entity of the unit itself. In addition, this
-- flag may be set for any other functions or procedures that are known
-- to be side effect free, so in the case of subprograms, the Is_Pure
-- flag may be used by the optimizer to imply that it can assume freedom
-- from side effects (other than those resulting from assignment to out
-- parameters, or to objects designated by access parameters).
-- Is_Pure_Unit_Access_Type (Flag189)
-- Defined in access type and subtype entities. Set if the type or
-- subtype appears in a pure unit. Used to give an error message at
-- freeze time if the access type has a storage pool.
-- Is_RACW_Stub_Type (Flag244)
-- Defined in all types, true for the stub types generated for remote
-- access-to-class-wide types.
-- Is_Raised (Flag224)
-- Defined in exception entities. Set if the entity is referenced by a
-- a raise statement.
-- Is_Real_Type (synthesized)
-- Applies to all entities, true for real types and subtypes
-- Is_Record_Type (synthesized)
-- Applies to all entities, true for record types and subtypes,
-- includes class-wide types and subtypes (which are also records)
-- Is_Remote_Call_Interface (Flag62)
-- Defined in all entities. Set in E_Package and E_Generic_Package
-- entities to which a pragma Remote_Call_Interface is applied, and
-- also on entities declared in the visible part of such a package.
-- Is_Remote_Types (Flag61)
-- Defined in all entities. Set in E_Package and E_Generic_Package
-- entities to which a pragma Remote_Types is applied, and also on
-- entities declared in the visible part of the spec of such a package.
-- Also set for types which are generic formal types to which the
-- pragma Remote_Access_Type applies.
-- Is_Renaming_Of_Object (Flag112)
-- Defined in all entities, set only for a variable or constant for
-- which the Renamed_Object field is non-empty and for which the
-- renaming is handled by the front end, by macro substitution of
-- a copy of the (evaluated) name tree whereever the variable is used.
-- Is_Return_Object (Flag209)
-- Defined in all object entities. True if the object is the return
-- object of an extended_return_statement; False otherwise.
-- Is_Safe_To_Reevaluate (Flag249)
-- Defined in all entities. Set in variables that are initialized by
-- means of an assignment statement. When initialized their contents
-- never change and hence they can be seen by the backend as constants.
-- See also Is_True_Constant.
-- Is_Scalar_Type (synthesized)
-- Applies to all entities, true for scalar types and subtypes
-- Is_Shared_Passive (Flag60)
-- Defined in all entities. Set in E_Package and E_Generic_Package
-- entities to which a pragma Shared_Passive is applied, and also in
-- all entities within such packages.
-- Is_Standard_Character_Type (synthesized)
-- Applies to all entities, true for types and subtypes whose root type
-- is one of the standard character types (Character, Wide_Character, or
-- Wide_Wide_Character).
-- Is_Standard_String_Type (synthesized)
-- Applies to all entities, true for types and subtypes whose root
-- type is one of the standard string types (String, Wide_String, or
-- Wide_Wide_String).
-- Is_Static_Type (Flag281)
-- Defined in all type and subtype entities. If set, indicates that the
-- type is known to be a static type (defined as a discrete type with
-- static bounds, a record all of whose component types are static types,
-- or an array, all of whose bounds are of a static type, and also have
-- a component type that is a static type). See Set_Uplevel_Type for more
-- information on how this flag is used. Note that if Is_Static_Type is
-- True, then it is never the case that the Has_Uplevel_Reference flag is
-- set for the same type.
-- Is_Statically_Allocated (Flag28)
-- Defined in all entities. This can only be set for exception,
-- variable, constant, and type/subtype entities. If the flag is set,
-- then the variable or constant must be allocated statically rather
-- than on the local stack frame. For exceptions, the meaning is that
-- the exception data should be allocated statically (and indeed this
-- flag is always set for exceptions, since exceptions do not have
-- local scope). For a type, the meaning is that the type must be
-- elaborated at the global level rather than locally. No type marked
-- with this flag may depend on a local variable, or on any other type
-- which does not also have this flag set to True. For a variable or
-- or constant, if the flag is set, then the type of the object must
-- either be declared at the library level, or it must also have the
-- flag set (since to allocate the object statically, its type must
-- also be elaborated globally).
-- Is_String_Type (synthesized)
-- Applies to all type entities. Determines if the given type is a
-- string type, i.e. it is directly a string type or string subtype,
-- or a string slice type, or an array type with one dimension and a
-- component type that is a character type.
-- Is_Subprogram (synthesized)
-- Applies to all entities, true for function, procedure and operator
-- entities.
-- Is_Subprogram_Or_Generic_Subprogram
-- Applies to all entities, true for function procedure and operator
-- entities, and also for the corresponding generic entities.
-- Is_Synchronized_Interface (synthesized)
-- Defined in types that are interfaces. True if interface is declared
-- synchronized, task, or protected, or is derived from a synchronized
-- interface.
-- Is_Tag (Flag78)
-- Defined in E_Component and E_Constant entities. For regular tagged
-- type this flag is set on the tag component (whose name is Name_uTag).
-- For CPP_Class tagged types, this flag marks the pointer to the main
-- vtable (i.e. the one to be extended by derivation).
-- Is_Tagged_Type (Flag55)
-- Defined in all entities. Set for an entity that is a tagged type.
-- Is_Task_Interface (synthesized)
-- Defined in types that are interfaces. True if interface is declared as
-- a task interface, or if it is derived from task interfaces.
-- Is_Task_Record_Type (synthesized)
-- Applies to all entities. True if Is_Concurrent_Record_Type
-- Corresponding_Concurrent_Type is a task type.
-- Is_Task_Type (synthesized)
-- Applies to all entities. True for task types and subtypes
-- Is_Thunk (Flag225)
-- Defined in all entities. True for subprograms that are thunks: that is
-- small subprograms built by the expander for tagged types that cover
-- interface types. As part of the runtime call to an interface, thunks
-- displace the pointer to the object (pointer named "this" in the C++
-- terminology) from a secondary dispatch table to the primary dispatch
-- table associated with a given tagged type; if the thunk is a function
-- that returns an object which covers an interface type then the thunk
-- displaces the pointer to the object from the primary dispatch table to
-- the secondary dispatch table associated with the interface type. Set
-- by Expand_Interface_Thunk and used by Expand_Call to handle extra
-- actuals associated with accessibility level.
-- Is_Trivial_Subprogram (Flag235)
-- Defined in all entities. Set in subprograms where either the body
-- consists of a single null statement, or the first or only statement
-- of the body raises an exception. This is used for suppressing certain
-- warnings, see Sem_Ch6.Analyze_Subprogram_Body discussion for details.
-- Is_True_Constant (Flag163)
-- Defined in all entities for constants and variables. Set in constants
-- and variables which have an initial value specified but which are
-- never assigned, partially or in the whole. For variables, it means
-- that the variable was initialized but never modified, and hence can be
-- treated as a constant by the code generator. For a constant, it means
-- that the constant was not modified by generated code (e.g. to set a
-- discriminant in an init proc). Assignments by user or generated code
-- will reset this flag. See also Is_Safe_To_Reevaluate.
-- Is_Type (synthesized)
-- Applies to all entities, true for a type entity
-- Is_Unchecked_Union (Flag117) [implementation base type only]
-- Defined in all entities. Set only in record types to which the
-- pragma Unchecked_Union has been validly applied.
-- Is_Underlying_Record_View (Flag246) [base type only]
-- Defined in all entities. Set only in record types that represent the
-- underlying record view. This view is built for derivations of types
-- with unknown discriminants; it is a record with the same structure
-- as its corresponding record type, but whose parent is the full view
-- of the parent in the original type extension.
-- Is_Unimplemented (Flag284)
-- Defined in all entities. Set for any entity to which a valid pragma
-- or aspect Unimplemented applies.
-- Is_Unsigned_Type (Flag144)
-- Defined in all types, but can be set only for discrete and fixed-point
-- type and subtype entities. This flag is only valid if the entity is
-- frozen. If set it indicates that the representation is known to be
-- unsigned (i.e. that no negative values appear in the range). This is
-- normally just a reflection of the lower bound of the subtype or base
-- type, but there is one case in which the setting is non-obvious,
-- namely the case of an unsigned subtype of a signed type from which
-- a further subtype is obtained using variable bounds. This further
-- subtype is still unsigned, but this cannot be determined by looking
-- at its bounds or the bounds of the corresponding base type.
-- Is_Valued_Procedure (Flag127)
-- Defined in procedure entities. Set if an Import_Valued_Procedure
-- or Export_Valued_Procedure pragma applies to the procedure entity.
-- Is_Visible_Formal (Flag206)
-- Defined in all entities. Set for instances of the formals of a
-- formal package. Indicates that the entity must be made visible in the
-- body of the instance, to reproduce the visibility of the generic.
-- This simplifies visibility settings in instance bodies.
-- Is_Visible_Lib_Unit (Flag116)
-- Defined in all (root or child) library unit entities. Once compiled,
-- library units remain chained to the entities in the parent scope, and
-- a separate flag must be used to indicate whether the names are visible
-- by selected notation, or not.
-- Is_Volatile (Flag16)
-- Defined in all type entities, and also in constants, components and
-- variables. Set if a pragma Volatile applies to the entity. Also set
-- if pragma Shared or pragma Atomic applies to entity. In the case of
-- private or incomplete types, this flag is set in both the private
-- and full view. The flag is not set reliably on private subtypes,
-- and is always retrieved from the base type (but this is not a base-
-- type-only attribute because it applies to other entities). Note that
-- the backend should use Treat_As_Volatile, rather than Is_Volatile
-- to indicate code generation requirements for volatile variables.
-- Similarly, any front end test which is concerned with suppressing
-- optimizations on volatile objects should test Treat_As_Volatile
-- rather than testing this flag.
-- Is_Wrapper_Package (synthesized)
-- Defined in package entities. Indicates that the package has been
-- created as a wrapper for a subprogram instantiation.
-- Itype_Printed (Flag202)
-- Defined in all type and subtype entities. Set in Itypes if the Itype
-- has been printed by Sprint. This is used to avoid printing an Itype
-- more than once.
-- Kill_Elaboration_Checks (Flag32)
-- Defined in all entities. Set by the expander to kill elaboration
-- checks which are known not to be needed. Equivalent in effect to
-- the use of pragma Suppress (Elaboration_Checks) for that entity
-- except that the effect is permanent and cannot be undone by a
-- subsequent pragma Unsuppress.
-- Kill_Range_Checks (Flag33)
-- Defined in all entities. Equivalent in effect to the use of pragma
-- Suppress (Range_Checks) for that entity except that the result is
-- permanent and cannot be undone by a subsequent pragma Unsuppress.
-- This is currently only used in one odd situation in Sem_Ch3 for
-- record types, and it would be good to get rid of it???
-- Known_To_Have_Preelab_Init (Flag207)
-- Defined in all type and subtype entities. If set, then the type is
-- known to have preelaborable initialization. In the case of a partial
-- view of a private type, it is only possible for this to be set if a
-- pragma Preelaborable_Initialization is given for the type. For other
-- types, it is never set if the type does not have preelaborable
-- initialization, it may or may not be set if the type does have
-- preelaborable initialization.
-- Last_Aggregate_Assignment (Node30)
-- Applies to controlled constants and variables initialized by an
-- aggregate. Points to the last statement associated with the expansion
-- of the aggregate. The attribute is used by the finalization machinery
-- when marking an object as successfully initialized.
-- Last_Assignment (Node26)
-- Defined in entities for variables, and OUT or IN OUT formals. Set for
-- a local variable or formal to point to the left side of an assignment
-- statement assigning a value to the variable. Cleared if the value of
-- the entity is referenced. Used to warn about dubious assignment
-- statements whose value is not used.
-- Last_Entity (Node20)
-- Defined in all entities which act as scopes to which a list of
-- associated entities is attached (blocks, class subtypes and types,
-- entries, functions, loops, packages, procedures, protected objects,
-- record types and subtypes, private types, task types and subtypes).
-- Points to the last entry in the list of associated entities chained
-- through the Next_Entity field. Empty if no entities are chained.
-- Last_Formal (synthesized)
-- Applies to subprograms and subprogram types, and also in entries
-- and entry families. Returns last formal of the subprogram or entry.
-- The formals are the first entities declared in a subprogram or in
-- a subprogram type (the designated type of an Access_To_Subprogram
-- definition) or in an entry.
-- Limited_View (Node23)
-- Defined in non-generic package entities that are not instances. Bona
-- fide package with the limited-view list through the first_entity and
-- first_private attributes. The elements of this list are the shadow
-- entities created for the types and local packages that are declared
-- in a package appearing in a limited_with clause (Ada 2005: AI-50217).
-- Linker_Section_Pragma (Node33)
-- Present in constant, variable, type and subprogram entities. Points
-- to a linker section pragma that applies to the entity, or is Empty if
-- no such pragma applies. Note that for constants and variables, this
-- field may be set as a result of a linker section pragma applied to the
-- type of the object.
-- Lit_Indexes (Node18)
-- Defined in enumeration types and subtypes. Non-empty only for the
-- case of an enumeration root type, where it contains the entity for
-- the generated indexes entity. See unit Exp_Imgv for full details of
-- the nature and use of this entity for implementing the Image and
-- Value attributes for the enumeration type in question.
-- Lit_Strings (Node16)
-- Defined in enumeration types and subtypes. Non-empty only for the
-- case of an enumeration root type, where it contains the entity for
-- the literals string entity. See unit Exp_Imgv for full details of
-- the nature and use of this entity for implementing the Image and
-- Value attributes for the enumeration type in question.
-- Low_Bound_Tested (Flag205)
-- Defined in all entities. Currently this can only be set for formal
-- parameter entries of a standard unconstrained one-dimensional array
-- or string type. Indicates that an explicit test of the low bound of
-- the formal appeared in the code, e.g. in a pragma Assert. If this
-- flag is set, warnings about assuming the index low bound to be one
-- are suppressed.
-- Machine_Radix_10 (Flag84)
-- Defined in decimal types and subtypes, set if the Machine_Radix is 10,
-- as the result of the specification of a machine radix representation
-- clause. Note that it is possible for this flag to be set without
-- having Has_Machine_Radix_Clause True. This happens when a type is
-- derived from a type with a clause present.
-- Master_Id (Node17)
-- Defined in access types and subtypes. Empty unless Has_Task is set for
-- the designated type, in which case it points to the entity for the
-- Master_Id for the access type master. Also set for access-to-limited-
-- class-wide types whose root may be extended with task components, and
-- for access-to-limited-interfaces because they can be used to reference
-- tasks implementing such interface.
-- Materialize_Entity (Flag168)
-- Defined in all entities. Set only for renamed obects which should be
-- materialized for debugging purposes. This means that a memory location
-- containing the renamed address should be allocated. This is needed so
-- that the debugger can find the entity.
-- May_Inherit_Delayed_Rep_Aspects (Flag262)
-- Defined in all entities for types and subtypes. Set if the type is
-- derived from a type which has delayed rep aspects (marked by the flag
-- Has_Delayed_Rep_Aspects being set). In this case, at the freeze point
-- for the derived type we know that the parent type is frozen, and if
-- a given attribute has not been set for the derived type, we copy the
-- value from the parent type. See Freeze.Inherit_Delayed_Rep_Aspects.
-- Mechanism (Uint8) (returned as Mechanism_Type)
-- Defined in functions and non-generic formal parameters. Indicates
-- the mechanism to be used for the function return or for the formal
-- parameter. See full description in the spec of Sem_Mech. This field
-- is also set (to the default value of zero = Default_Mechanism) in a
-- subprogram body entity but not used in this context.
-- Modulus (Uint17) [base type only]
-- Defined in modular types. Contains the modulus. For the binary case,
-- this will be a power of 2, but if Non_Binary_Modulus is set, then it
-- will not be a power of 2.
-- Must_Be_On_Byte_Boundary (Flag183)
-- Defined in entities for types and subtypes. Set if objects of the type
-- must always be allocated on a byte boundary (more accurately a storage
-- unit boundary). The front end checks that component clauses respect
-- this rule, and the backend ensures that record packing does not
-- violate this rule. Currently the flag is set only for packed arrays
-- longer than 64 bits where the component size is not a power of 2.
-- Must_Have_Preelab_Init (Flag208)
-- Defined in entities for types and subtypes. Set in the full type of a
-- private type or subtype if a pragma Has_Preelaborable_Initialization
-- is present for the private type. Used to check that the full type has
-- preelaborable initialization at freeze time (this has to be deferred
-- to the freeze point because of the rule about overriding Initialize).
-- Needs_Debug_Info (Flag147)
-- Defined in all entities. Set if the entity requires normal debugging
-- information to be generated. This is true of all entities that have
-- Comes_From_Source set, and also transitively for entities associated
-- with such components (e.g. their types). It is true for all entities
-- in Debug_Generated_Code mode (-gnatD switch). This is the flag that
-- the backend should check to determine whether or not to generate
-- debugging information for an entity. Note that callers should always
-- use Sem_Util.Set_Debug_Info_Needed, rather than Set_Needs_Debug_Info,
-- so that the flag is set properly on subsidiary entities.
-- Needs_No_Actuals (Flag22)
-- Defined in callable entities (subprograms, entries, access to
-- subprograms) which can be called without actuals because all of
-- their formals (if any) have default values. This flag simplifies the
-- resolution of the syntactic ambiguity involving a call to these
-- entities when the return type is an array type, and a call can be
-- interpreted as an indexing of the result of the call. It is also
-- used to resolve various cases of entry calls.
-- Never_Set_In_Source (Flag115)
-- Defined in all entities, but can be set only for variables and
-- parameters. This flag is set if the object is never assigned a value
-- in user source code, either by assignment or by being used as an out
-- or in out parameter. Note that this flag is not reset from using an
-- initial value, so if you want to test for this case as well, test the
-- Has_Initial_Value flag also.
--
-- This flag is only for the purposes of issuing warnings, it must not
-- be used by the code generator to indicate that the variable is in
-- fact a constant, since some assignments in generated code do not
-- count (for example, the call to an init proc to assign some but
-- not all of the fields in a partially initialized record). The code
-- generator should instead use the flag Is_True_Constant.
--
-- For the purposes of this warning, the default assignment of access
-- variables to null is not considered the assignment of a value (so
-- the warning can be given for code that relies on this initial null
-- value when no other value is ever set).
--
-- In variables and out parameters, if this flag is set after full
-- processing of the corresponding declarative unit, it indicates that
-- the variable or parameter was never set, and a warning message can
-- be issued.
--
-- Note: this flag is initially set, and then cleared on encountering
-- any construct that might conceivably legitimately set the value.
-- Thus during the analysis of a declarative region and its associated
-- statement sequence, the meaning of the flag is "not set yet", and
-- once this analysis is complete the flag means "never assigned".
-- Note: for variables appearing in package declarations, this flag is
-- never set. That is because there is no way to tell if some client
-- modifies the variable (or, in the case of variables in the private
-- part, if some child unit modifies the variables).
-- Note: in the case of renamed objects, the flag must be set in the
-- ultimate renamed object. Clients noting a possible modification
-- should use the Note_Possible_Modification procedure in Sem_Util
-- rather than Set_Never_Set_In_Source precisely to deal properly with
-- the renaming possibility.
-- Next_Component (synthesized)
-- Applies to record components. Returns the next component by following
-- the chain of declared entities until one is found which corresponds to
-- a component (Ekind is E_Component). Any internal types generated from
-- the subtype indications of the record components are skipped. Returns
-- Empty if no more components.
-- Next_Component_Or_Discriminant (synthesized)
-- Similar to Next_Component, but includes components and discriminants
-- so the input can have either E_Component or E_Discriminant, and the
-- same is true for the result. Returns Empty if no more components or
-- discriminants in the record.
-- Next_Discriminant (synthesized)
-- Applies to discriminants returned by First/Next_Discriminant. Returns
-- the next language-defined (ie: perhaps non-girder) discriminant by
-- following the chain of declared entities as long as the kind of the
-- entity corresponds to a discriminant. Note that the discriminants
-- might be the only components of the record. Returns Empty if there
-- are no more discriminants.
-- Next_Entity (Node2)
-- Defined in all entities. The entities of a scope are chained, with
-- the head of the list being in the First_Entity field of the scope
-- entity. All entities use the Next_Entity field as a forward pointer
-- for this list, with Empty indicating the end of the list. Since this
-- field is in the base part of the entity, the access routines for this
-- field are in Sinfo.
-- Next_Formal (synthesized)
-- Applies to the entity for a formal parameter. Returns the next formal
-- parameter of the subprogram or subprogram type. Returns Empty if there
-- are no more formals.
-- Next_Formal_With_Extras (synthesized)
-- Applies to the entity for a formal parameter. Returns the next
-- formal parameter of the subprogram or subprogram type. Returns
-- Empty if there are no more formals. The list returned includes
-- all the extra formals (see description of Extra_Formal field)
-- Next_Index (synthesized)
-- Applies to array types and subtypes and to string types and
-- subtypes. Yields the next index. The first index is obtained by
-- using the First_Index attribute, and then subsequent indexes are
-- obtained by applying Next_Index to the previous index. Empty is
-- returned to indicate that there are no more indexes. Note that
-- unlike most attributes in this package, Next_Index applies to
-- nodes for the indexes, not to entities.
-- Next_Inlined_Subprogram (Node12)
-- Defined in subprograms. Used to chain inlined subprograms used in
-- the current compilation, in the order in which they must be compiled
-- by the backend to insure that all inlinings are performed.
-- Next_Literal (synthesized)
-- Applies to enumeration literals, returns the next literal, or
-- Empty if applied to the last literal. This is actually a synonym
-- for Next, but its use is preferred in this context.
-- No_Dynamic_Predicate_On_Actual (Flag276)
-- Defined in discrete types. Set for generic formal types that are used
-- in loops and quantified expressions. The corresponing actual cannot
-- have dynamic predicates.
-- No_Pool_Assigned (Flag131) [root type only]
-- Defined in access types. Set if a storage size clause applies to the
-- variable with a static expression value of zero. This flag is used to
-- generate errors if any attempt is made to allocate or free an instance
-- of such an access type. This is set only in the root type, since
-- derived types must have the same pool.
-- No_Predicate_On_Actual (Flag275)
-- Defined in discrete types. Set for generic formal types that are used
-- in the spec of a generic package, in constructs that forbid discrete
-- types with predicates.
-- No_Return (Flag113)
-- Defined in all entities. Always false except in the case of procedures
-- and generic procedures for which a pragma No_Return is given.
-- No_Strict_Aliasing (Flag136) [base type only]
-- Defined in access types. Set to direct the backend to avoid any
-- optimizations based on an assumption about the aliasing status of
-- objects designated by the access type. For the case of the gcc
-- backend, the effect is as though all references to objects of
-- the type were compiled with -fno-strict-aliasing. This flag is
-- set if an unchecked conversion with the access type as a target
-- type occurs in the same source unit as the declaration of the
-- access type, or if an explicit pragma No_Strict_Aliasing applies.
-- No_Tagged_Streams_Pragma (Node32)
-- Present in all subtype and type entities. Set for tagged types and
-- subtypes (i.e. entities with Is_Tagged_Type set True) if a valid
-- pragma/aspect applies to the type.
-- Non_Binary_Modulus (Flag58) [base type only]
-- Defined in all subtype and type entities. Set for modular integer
-- types if the modulus value is other than a power of 2.
-- Non_Limited_View (Node17)
-- Defined in abstract states and incomplete types that act as shadow
-- entities created when analysing a limited with clause (Ada 2005:
-- AI-50217). Points to the defining entity of the original declaration.
-- Nonzero_Is_True (Flag162) [base type only]
-- Defined in enumeration types. Set if any non-zero value is to be
-- interpreted as true. Currently this is set for derived Boolean
-- types which have a convention of C, C++ or Fortran.
-- Normalized_First_Bit (Uint8)
-- Defined in components and discriminants. Indicates the normalized
-- value of First_Bit for the component, i.e. the offset within the
-- lowest addressed storage unit containing part or all of the field.
-- Set to No_Uint if no first bit position is assigned yet.
-- Normalized_Position (Uint14)
-- Defined in components and discriminants. Indicates the normalized
-- value of Position for the component, i.e. the offset in storage
-- units from the start of the record to the lowest addressed storage
-- unit containing part or all of the field.
-- Normalized_Position_Max (Uint10)
-- Defined in components and discriminants. For almost all cases, this
-- is the same as Normalized_Position. The one exception is for the case
-- of a discriminated record containing one or more arrays whose length
-- depends on discriminants. In this case, the Normalized_Position_Max
-- field represents the maximum possible value of Normalized_Position
-- assuming min/max values for discriminant subscripts in all fields.
-- This is used by Layout in front end layout mode to properly computed
-- the maximum size such records (needed for allocation purposes when
-- there are default discriminants, and also for the 'Size value).
-- Number_Dimensions (synthesized)
-- Applies to array types and subtypes. Returns the number of dimensions
-- of the array type or subtype as a value of type Pos.
-- Number_Entries (synthesized)
-- Applies to concurrent types. Returns the number of entries that are
-- declared within the task or protected definition for the type.
-- Number_Formals (synthesized)
-- Applies to subprograms and subprogram types. Yields the number of
-- formals as a value of type Pos.
-- OK_To_Rename (Flag247)
-- Defined only in entities for variables. If this flag is set, it
-- means that if the entity is used as the initial value of an object
-- declaration, the object declaration can be safely converted into a
-- renaming to avoid an extra copy. This is set for variables which are
-- generated by the expander to hold the result of evaluating some
-- expression. Most notably, the local variables used to store the result
-- of concatenations are so marked (see Exp_Ch4.Expand_Concatenate). It
-- is only worth setting this flag for composites, since for primitive
-- types, it is cheaper to do the copy.
-- OK_To_Reorder_Components (Flag239) [base type only]
-- Defined in record types. Set if the backend is permitted to reorder
-- the components. If not set, the record must be layed out in the order
-- in which the components are declared textually. Currently this flag
-- can only be set by debug switches.
-- Optimize_Alignment_Space (Flag241)
-- Defined in type, subtype, variable, and constant entities. This
-- flag records that the type or object is to be layed out in a manner
-- consistent with Optimize_Alignment (Space) mode. The compiler and
-- binder ensure a consistent view of any given type or object. If pragma
-- Optimize_Alignment (Off) mode applies to the type/object, then neither
-- of the flags Optimize_Alignment_Space/Optimize_Alignment_Time is set.
-- Optimize_Alignment_Time (Flag242)
-- Defined in type, subtype, variable, and constant entities. This
-- flag records that the type or object is to be layed out in a manner
-- consistent with Optimize_Alignment (Time) mode. The compiler and
-- binder ensure a consistent view of any given type or object. If pragma
-- Optimize_Alignment (Off) mode applies to the type/object, then neither
-- of the flags Optimize_Alignment_Space/Optimize_Alignment_Time is set.
-- Original_Access_Type (Node28)
-- Defined in E_Access_Subprogram_Type entities. Set only if the access
-- type was generated by the expander as part of processing an access
-- to protected subprogram type. Points to the access to protected
-- subprogram type.
-- Original_Array_Type (Node21)
-- Defined in modular types and array types and subtypes. Set only if
-- the Is_Packed_Array_Impl_Type flag is set, indicating that the type
-- is the implementation type for a packed array, and in this case it
-- points to the original array type for which this is the packed
-- array implementation type.
-- Original_Record_Component (Node22)
-- Defined in components, including discriminants. The usage depends
-- on whether the record is a base type and whether it is tagged.
--
-- In base tagged types:
-- When the component is inherited in a record extension, it points
-- to the original component (the entity of the ancestor component
-- which is not itself inherited) otherwise it points to itself. The
-- backend uses this attribute to implement the automatic dereference
-- in the extension and to apply the transformation:
--
-- Rec_Ext.Comp -> Rec_Ext.Parent. ... .Parent.Comp
--
-- In base untagged types:
-- Always points to itself except for non-girder discriminants, where
-- it points to the girder discriminant it renames.
--
-- In subtypes (tagged and untagged):
-- Points to the component in the base type.
-- Overlays_Constant (Flag243)
-- Defined in all entities. Set only for a variable for which there is
-- an address clause which causes the variable to overlay a constant.
-- Overridden_Operation (Node26)
-- Defined in subprograms. For overriding operations, points to the
-- user-defined parent subprogram that is being overridden. Note: this
-- attribute uses the same field as Static_Initialization. The latter
-- is only defined for internal initialization procedures, for which
-- Overridden_Operation is irrelevant. Thus this attribute must not be
-- set for init_procs.
-- Package_Instantiation (Node26)
-- Defined in packages and generic packages. When defined, this field
-- references an N_Generic_Instantiation node associated with an
-- instantiated package. In the case where the referenced node has
-- been rewritten to an N_Package_Specification, the instantiation
-- node is available from the Original_Node field of the package spec
-- node. This is currently not guaranteed to be set in all cases, but
-- when set, the field is used in Get_Package_Instantiation_Node as
-- one of the means of obtaining the instantiation node. Eventually
-- it should be set in all cases, including package entities associated
-- with formal packages. ???
-- Packed_Array_Impl_Type (Node23)
-- Defined in array types and subtypes, including the string literal
-- subtype case, if the corresponding type is packed (either bit packed
-- or packed to eliminate holes in non-contiguous enumeration type index
-- types). References the type used to represent the packed array, which
-- is either a modular type for short static arrays, or an array of
-- System.Unsigned. Note that in some situations (internal types, and
-- references to fields of variant records), it is not always possible
-- to construct this type in advance of its use. If this field is empty,
-- then the necessary type is declared on the fly for each reference to
-- the array.
-- Parameter_Mode (synthesized)
-- Applies to formal parameter entities. This is a synonym for Ekind,
-- used when obtaining the formal kind of a formal parameter (the result
-- is one of E_[In/Out/In_Out]_Parameter)
-- Parent_Subtype (Node19) [base type only]
-- Defined in E_Record_Type. Set only for derived tagged types, in which
-- case it points to the subtype of the parent type. This is the type
-- that is used as the Etype of the _parent field.
-- Part_Of_Constituents (Elist9)
-- Present in abstract state entities. Contains all constituents that are
-- subject to indicator Part_Of (both aspect and option variants).
-- Partial_View_Has_Unknown_Discr (Flag280)
-- Present in all types. Set to Indicate that the partial view of a type
-- has unknown discriminants. A default initialization of an object of
-- the type does not require an invariant check (AI12-0133).
-- Pending_Access_Types (Elist15)
-- Defined in all types. Set for incomplete, private, Taft-amendment
-- types, and their corresponding full views. This list contains all
-- access types, both named and anonymous, declared between the partial
-- and the full view. The list is used by the finalization machinery to
-- ensure that the finalization masters of all pending access types are
-- fully initialized when the full view is frozen.
-- Postconditions_Proc (Node14)
-- Defined in functions, procedures, entries, and entry families. Refers
-- to the entity of the _Postconditions procedure used to check contract
-- assertions on exit from a subprogram.
-- PPC_Wrapper (Node25)
-- Defined in entries and entry families. Set only if pre- or post-
-- conditions are present. The precondition_wrapper body is the original
-- entry call, decorated with the given precondition for the entry.
-- Predicate_Function (synthesized)
-- Defined in all types. Set for types for which (Has_Predicates is True)
-- and for which a predicate procedure has been built that tests that the
-- specified predicates are True. Contains the entity for the function
-- which takes a single argument of the given type, and returns True if
-- the predicate holds and False if it does not.
--
-- Note: the reason this is marked as a synthesized attribute is that the
-- way this is stored is as an element of the Subprograms_For_Type field.
-- Predicate_Function_M (synthesized)
-- Defined in all types. Present only if Predicate_Function is present,
-- and only if the predicate function has Raise_Expression nodes. It
-- is the special version created for membership tests, where if one of
-- these raise expressions is executed, the result is to return False.
-- Primitive_Operations (synthesized)
-- Defined in concurrent types, tagged record types and subtypes, tagged
-- private types and tagged incomplete types. For concurrent types whose
-- Corresponding_Record_Type (CRT) is available, returns the list of
-- Direct_Primitive_Operations of its CRT; otherwise returns No_Elist.
-- For all the other types returns the Direct_Primitive_Operations.
-- Prival (Node17)
-- Defined in private components of protected types. Refers to the entity
-- of the component renaming declaration generated inside protected
-- subprograms, entries or barrier functions.
-- Prival_Link (Node20)
-- Defined in constants and variables which rename private components of
-- protected types. Set to the original private component.
-- Private_Dependents (Elist18)
-- Defined in private (sub)types. Records the subtypes of the private
-- type, derivations from it, and records and arrays with components
-- dependent on the type.
--
-- The subtypes are traversed when installing and deinstalling (the full
-- view of) a private type in order to ensure correct view of the
-- subtypes.
--
-- Used in similar fashion for incomplete types: holds list of subtypes
-- of these incomplete types that have discriminant constraints. The
-- full views of these subtypes are constructed when the full view of
-- the incomplete type is processed.
-- In addition, if the incomplete type is the designated type in an
-- access definition for an access parameter, the operation may be
-- a dispatching primitive operation, which is only known when the full
-- declaration of the type is seen. Subprograms that have such an
-- access parameter are also placed in the list of private_dependents.
-- Private_View (Node22)
-- For each private type, three entities are allocated, the private view,
-- the full view, and the shadow entity. The shadow entity contains a
-- copy of the private view and is used for restoring the proper private
-- view after a region in which the full view is visible (and is copied
-- into the entity normally used for the private view during this period
-- of visibility). The Private_View field is self-referential when the
-- private view lives in its normal entity, but in the copy that is made
-- in the shadow entity, it points to the proper location in which to
-- restore the private view saved in the shadow.
-- Protected_Formal (Node22)
-- Defined in formal parameters (in, in out and out parameters). Used
-- only for formals of protected operations. References corresponding
-- formal parameter in the unprotected version of the operation that
-- is created during expansion.
-- Protected_Body_Subprogram (Node11)
-- Defined in protected operations. References the entity for the
-- subprogram which implements the body of the operation.
-- Protection_Object (Node23)
-- Applies to protected entries, entry families and subprograms. Denotes
-- the entity which is used to rename the _object component of protected
-- types.
-- Reachable (Flag49)
-- Defined in labels. The flag is set over the range of statements in
-- which a goto to that label is legal.
-- Referenced (Flag156)
-- Defined in all entities. Set if the entity is referenced, except for
-- the case of an appearance of a simple variable that is not a renaming
-- as the left side of an assignment in which case Referenced_As_LHS is
-- set instead, or a similar appearance as an out parameter actual, in
-- which case Referenced_As_Out_Parameter is set.
-- Referenced_As_LHS (Flag36):
-- Defined in all entities. This flag is set instead of Referenced if a
-- simple variable that is not a renaming appears as the left side of an
-- assignment. The reason we distinguish this kind of reference is that
-- we have a separate warning for variables that are only assigned and
-- never read.
-- Referenced_As_Out_Parameter (Flag227):
-- Defined in all entities. This flag is set instead of Referenced if a
-- simple variable that is not a renaming appears as an actual for an out
-- formal. The reason we distinguish this kind of reference is that
-- we have a separate warning for variables that are only assigned and
-- never read, and out parameters are a special case.
-- Refinement_Constituents (Elist8)
-- Present in abstract state entities. Contains all the constituents that
-- refine the state, in other words, all the hidden states that appear in
-- the constituent_list of aspect/pragma Refined_State.
-- Register_Exception_Call (Node20)
-- Defined in exception entities. When an exception is declared,
-- a call is expanded to Register_Exception. This field points to
-- the expanded N_Procedure_Call_Statement node for this call. It
-- is used for Import/Export_Exception processing to modify the
-- register call to make appropriate entries in the special tables
-- used for handling these pragmas at runtime.
-- Related_Array_Object (Node25)
-- Defined in array types and subtypes. Used only for the base type
-- and subtype created for an anonymous array object. Set to point
-- to the entity of the corresponding array object. Currently used
-- only for type-related error messages.
-- Related_Expression (Node24)
-- Defined in variables and types. When Set for internally generated
-- entities, it may be used to denote the source expression whose
-- elaboration created the variable declaration. If set, it is used
-- for generating clearer messages from CodePeer. It is used on source
-- entities that are variables in iterator specifications, to provide
-- a link to the container that is the domain of iteration. This allows
-- for better cross-reference information when the loop modifies elements
-- of the container, and suppresses spurious warnings.
--
-- Shouldn't it also be used for the same purpose in errout? It seems
-- odd to have two mechanisms here???
-- Related_Instance (Node15)
-- Defined in the wrapper packages created for subprogram instances.
-- The internal subprogram that implements the instance is inside the
-- wrapper package, but for debugging purposes its external symbol
-- must correspond to the name and scope of the related instance.
-- Related_Type (Node27)
-- Defined in components, constants and variables. Set when there is an
-- associated dispatch table to point to entities containing primary or
-- secondary tags. Not set in the _tag component of record types.
-- Relative_Deadline_Variable (Node28) [implementation base type only]
-- Defined in task type entities. This flag is set if a valid and
-- effective pragma Relative_Deadline applies to the base type. Points
-- to the entity for a variable that is created to hold the value given
-- in a Relative_Deadline pragma for a task type.
-- Renamed_Entity (Node18)
-- Defined in exceptions, packages, subprograms, and generic units. Set
-- for entities that are defined by a renaming declaration. Denotes the
-- renamed entity, or transitively the ultimate renamed entity if
-- there is a chain of renaming declarations. Empty if no renaming.
-- Renamed_In_Spec (Flag231)
-- Defined in package entities. If a package renaming occurs within
-- a package spec, then this flag is set on the renamed package. The
-- purpose is to prevent a warning about unused entities in the renamed
-- package. Such a warning would be inappropriate since clients of the
-- package can see the entities in the package via the renaming.
-- Renamed_Object (Node18)
-- Defined in all objects (constants, variables, components, formal
-- parameters, generic formal parameters, and loop parameters).
-- ??? Defined in discriminants?
-- Set non-Empty if the object was declared by a renaming declaration,
-- in which case it references the tree node for the name of the renamed
-- object. This is only possible for the variable and constant cases.
-- For formal parameters, this field is used in the course of inline
-- expansion, to map the formals of a subprogram into the corresponding
-- actuals. For formals of a task entry, it denotes the local renaming
-- that replaces the actual within the accept statement. The field is
-- Empty otherwise (it is always empty for loop parameters).
-- Renaming_Map (Uint9)
-- Defined in generic subprograms, generic packages, and their
-- instances. Also defined in the instances of the corresponding
-- bodies. Denotes the renaming map (generic entities => instance
-- entities) used to construct the instance by givin an index into
-- the tables used to represent these maps. See Sem_Ch12 for further
-- details. The maps for package instances are also used when the
-- instance is the actual corresponding to a formal package.
-- Requires_Overriding (Flag213)
-- Defined in all subprograms and entries. Set for subprograms that
-- require overriding as defined by RM-2005-3.9.3(6/2). Note that this
-- is True only for implicitly declare subprograms; it is not set on the
-- parent type's subprogram. See also Is_Abstract_Subprogram.
-- Return_Present (Flag54)
-- Defined in function and generic function entities. Set if the
-- function contains a return statement (used for error checking).
-- This flag can also be set in procedure and generic procedure
-- entities (for convenience in setting it), but is only tested
-- for the function case.
-- Return_Applies_To (Node8)
-- Defined in E_Return_Statement. Points to the entity representing
-- the construct to which the return statement applies, as defined in
-- RM-6.5(4/2). Note that a (simple) return statement within an
-- extended_return_statement applies to the extended_return_statement,
-- even though it causes the whole function to return.
-- Returns_By_Ref (Flag90)
-- Defined in function entities. Set if the function returns the result
-- by reference, either because its return type is a by-reference-type
-- or because the function explicitly uses the secondary stack.
-- Returns_Limited_View (Flag134)
-- Defined in function entities. Set if the return type of the function
-- at the point of definition is a limited view. Used to handle the late
-- freezing of the function when it is called in the current semantic
-- unit while it is still unfrozen.
-- Reverse_Bit_Order (Flag164) [base type only]
-- Defined in all record type entities. Set if entity has a Bit_Order
-- aspect (set by an aspect clause or attribute definition clause) that
-- has reversed the order of bits from the default value. When this flag
-- is set, a component clause must specify a set of bits entirely within
-- a single storage unit (Ada 95) or within a single machine scalar (see
-- Ada 2005 AI-133), or must occupy an integral number of storage units.
-- Reverse_Storage_Order (Flag93) [base type only]
-- Defined in all record and array type entities. Set if entity has a
-- Scalar_Storage_Order aspect (set by an aspect clause or attribute
-- definition clause) that has reversed the order of storage elements
-- from the default value. When this flag is set for a record type,
-- the Bit_Order aspect must be set to the same value (either explicitly
-- or as the target default value).
-- RM_Size (Uint13)
-- Defined in all type and subtype entities. Contains the value of
-- type'Size as defined in the RM. See also the Esize field and
-- and the description on "Handling of Type'Size Values". A value
-- of zero in this field for a non-discrete type means that
-- the front end has not yet determined the size value. For the
-- case of a discrete type, this field is always set by the front
-- end and zero is a legitimate value for a type with one value.
-- Root_Type (synthesized)
-- Applies to all type entities. For class-wide types, return the root
-- type of the class covered by the CW type, otherwise returns the
-- ultimate derivation ancestor of the given type. This function
-- preserves the view, i.e. the Root_Type of a partial view is the
-- partial view of the ultimate ancestor, the Root_Type of a full view
-- is the full view of the ultimate ancestor. Note that this function
-- does not correspond exactly to the use of root type in the RM, since
-- in the RM root type applies to a class of types, not to a type.
-- Scalar_Range (Node20)
-- Defined in all scalar types (including modular types, where the
-- bounds are 0 .. modulus - 1). References a node in the tree that
-- contains the bounds for the range. Note that this information
-- could be obtained by rummaging around the tree, but it is more
-- convenient to have it immediately at hand in the entity. The
-- contents of Scalar_Range can either be an N_Subtype_Indication
-- node (with a constraint), or a Range node, but not a simple
-- subtype reference (a subtype is converted into a range).
-- Scale_Value (Uint16)
-- Defined in decimal fixed-point types and subtypes. Contains the scale
-- for the type (i.e. the value of type'Scale = the number of decimal
-- digits after the decimal point).
-- Scope (Node3)
-- Defined in all entities. Points to the entity for the scope (block,
-- loop, subprogram, package etc.) in which the entity is declared.
-- Since this field is in the base part of the entity node, the access
-- routines for this field are in Sinfo. Note that for a child unit,
-- the Scope will be the parent package, and for a root library unit,
-- the Scope will be Standard.
-- Scope_Depth (synthesized)
-- Applies to program units, blocks, concurrent types and entries, and
-- also to record types, i.e. to any entity that can appear on the scope
-- stack. Yields the scope depth value, which for those entities other
-- than records is simply the scope depth value, for record entities, it
-- is the Scope_Depth of the record scope.
-- Scope_Depth_Value (Uint22)
-- Defined in program units, blocks, concurrent types, and entries.
-- Indicates the number of scopes that statically enclose the declaration
-- of the unit or type. Library units have a depth of zero. Note that
-- record types can act as scopes but do NOT have this field set (see
-- Scope_Depth above)
-- Scope_Depth_Set (synthesized)
-- Applies to a special predicate function that returns a Boolean value
-- indicating whether or not the Scope_Depth field has been set. It is
-- needed, since returns an invalid value in this case.
-- Sec_Stack_Needed_For_Return (Flag167)
-- Defined in scope entities (blocks, functions, procedures, tasks,
-- entries). Set to True when secondary stack is used to hold the
-- returned value of a function and thus should not be released on
-- scope exit.
-- Shadow_Entities (List14)
-- Defined in package and generic package entities. Points to a list
-- of entities that correspond to private types. For each private type
-- a shadow entity is created that holds a copy of the private view.
-- In regions of the program where the full views of these private
-- entities are visible, the full view is copied into the entity that
-- is normally used to hold the private view, but the shadow entity
-- copy is unchanged. The shadow entities are then used to restore the
-- original private views at the end of the region. This list is a
-- standard format list (i.e. First (Shadow_Entities) is the first
-- entry and subsequent entries are obtained using Next.
-- Shared_Var_Procs_Instance (Node22)
-- Defined in variables. Set non-Empty only if Is_Shared_Passive is
-- set, in which case this is the entity for the associated instance of
-- System.Shared_Storage.Shared_Var_Procs. See Exp_Smem for full details.
-- Size_Check_Code (Node19)
-- Defined in constants and variables. Normally Empty. Set if code is
-- generated to check the size of the object. This field is used to
-- suppress this code if a subsequent address clause is encountered.
-- Size_Clause (synthesized)
-- Applies to all entities. If a size clause is present in the rep
-- item chain for an entity then the attribute definition clause node
-- for the size clause is returned. Otherwise Size_Clause returns Empty
-- if no item is present. Usually this is only meaningful if the flag
-- Has_Size_Clause is set. This is because when the representation item
-- chain is copied for a derived type, it can inherit a size clause that
-- is not applicable to the entity.
-- Size_Depends_On_Discriminant (Flag177)
-- Defined in all entities for types and subtypes. Indicates that the
-- size of the type depends on the value of one or more discriminants.
-- Currently, this flag is only set for arrays which have one or more
-- bounds depending on a discriminant value.
-- Size_Known_At_Compile_Time (Flag92)
-- Defined in all entities for types and subtypes. Indicates that the
-- size of objects of the type is known at compile time. This flag is
-- used to optimize some generated code sequences, and also to enable
-- some error checks (e.g. disallowing component clauses on variable
-- length objects). It is set conservatively (i.e. if it is True, the
-- size is certainly known at compile time, if it is False, then the
-- size may or may not be known at compile time, but the code will
-- assume that it is not known).
-- Small_Value (Ureal21)
-- Defined in fixed point types. Points to the universal real for the
-- Small of the type, either as given in a representation clause, or
-- as computed (as a power of two) by the compiler.
-- SPARK_Aux_Pragma (Node33)
-- Present in package spec and body entities. For a package spec entity
-- it relates to the SPARK mode setting for the private part. This field
-- points to the N_Pragma node that applies to the private part. This is
-- either set with a local SPARK_Mode pragma in the private part or it is
-- inherited from the SPARK mode that applies to the rest of the spec.
-- For a package body, it similarly applies to the SPARK mode setting for
-- the elaboration sequence after the BEGIN. In the case where the pragma
-- is inherited, the SPARK_Aux_Pragma_Inherited flag is set in the
-- package spec or body entity.
-- SPARK_Aux_Pragma_Inherited (Flag266)
-- Present in the entities of subprogram specs and bodies as well as
-- in package specs and bodies. Set if the SPARK_Aux_Pragma field
-- points to a pragma that is inherited, rather than a local one.
-- SPARK_Pragma (Node32)
-- Present in the entities of subprogram specs and bodies as well as in
-- package specs and bodies. Points to the N_Pragma node that applies to
-- the spec or body. This is either set by a local SPARK_Mode pragma or
-- is inherited from the context (from an outer scope for the spec case
-- or from the spec for the body case). In the case where it is inherited
-- the flag SPARK_Pragma_Inherited is set. Empty if no SPARK_Mode pragma
-- is applicable.
-- SPARK_Pragma_Inherited (Flag265)
-- Present in the entities of subprogram specs and bodies as well as in
-- package specs and bodies. Set if the SPARK_Pragma field points to a
-- pragma that is inherited, rather than a local one.
-- Spec_Entity (Node19)
-- Defined in package body entities. Points to corresponding package
-- spec entity. Also defined in subprogram body parameters in the
-- case where there is a separate spec, where this field references
-- the corresponding parameter entities in the spec.
-- SSO_Set_High_By_Default (Flag273) [base type only]
-- Defined for record and array types. Set in the base type if a pragma
-- Default_Scalar_Storage_Order (High_Order_First) was active at the time
-- the record or array was declared and therefore applies to it.
-- SSO_Set_Low_By_Default (Flag272) [base type only]
-- Defined for record and array types. Set in the base type if a pragma
-- Default_Scalar_Storage_Order (High_Order_First) was active at the time
-- the record or array was declared and therefore applies to it.
-- Static_Discrete_Predicate (List25)
-- Defined in discrete types/subtypes with static predicates (with the
-- two flags Has_Predicates and Has_Static_Predicate set). Set if the
-- type/subtype has a static predicate. Points to a list of expression
-- and N_Range nodes that represent the predicate in canonical form. The
-- canonical form has entries sorted in ascending order, with duplicates
-- eliminated, and adjacent ranges coalesced, so that there is always a
-- gap in the values between successive entries. The entries in this list
-- are fully analyzed and typed with the base type of the subtype. Note
-- that all entries are static and have values within the subtype range.
-- Static_Real_Or_String_Predicate (Node25)
-- Defined in real types/subtypes with static predicates (with the two
-- flags Has_Predicates and Has_Static_Predicate set). Set if the type
-- or subtype has a static predicate. Points to the return expression
-- of the predicate function. This is the original expression given as
-- the predicate except that occurrences of the type are replaced by
-- occurrences of the formal parameter of the predicate function (note
-- that the spec of this function including this formal parameter name)
-- is available from the Subprograms_For_Type field (it can be accessed
-- as Predicate_Function (typ). Also, in the case where a predicate is
-- inherited, the expression is of the form:
--
-- expression AND THEN xxxPredicate (typ2 (ent))
--
-- where typ2 is the type from which the predicate is inherited, ent is
-- the entity for the current predicate function, and xxxPredicate is the
-- inherited predicate (from typ2). Finally for a predicate that inherits
-- from another predicate but does not add a predicate of its own, the
-- expression may consist of the above xxxPredicate call on its own.
-- Status_Flag_Or_Transient_Decl (Node15)
-- Defined in variables and constants. Applies to objects that require
-- special treatment by the finalization machinery, such as extended
-- return results, IF and CASE expression results, and objects inside
-- N_Expression_With_Actions nodes. The attribute contains the entity
-- of a flag which specifies particular behavior over a region of code
-- or the declaration of a "hook" object.
-- In which case is it a flag, or a hook object???
-- Static_Elaboration_Desired (Flag77)
-- Defined in library-level packages. Set by the pragma of the same
-- name, to indicate that static initialization must be attempted for
-- all types declared in the package, and that a warning must be emitted
-- for those types to which static initialization is not available.
-- Static_Initialization (Node30)
-- Defined in initialization procedures for types whose objects can be
-- initialized statically. The value of this attribute is a positional
-- aggregate whose components are compile-time static values. Used
-- when available in object declarations to eliminate the call to the
-- initialization procedure, and to minimize elaboration code. Note:
-- This attribute uses the same field as Overridden_Operation, which is
-- irrelevant in init_procs.
-- Storage_Size_Variable (Node26) [implementation base type only]
-- Defined in access types and task type entities. This flag is set
-- if a valid and effective pragma Storage_Size applies to the base
-- type. Points to the entity for a variable that is created to
-- hold the value given in a Storage_Size pragma for an access
-- collection or a task type. Note that in the access type case,
-- this field is defined only in the root type (since derived types
-- share the same storage pool).
-- Stored_Constraint (Elist23)
-- Defined in entities that can have discriminants (concurrent types
-- subtypes, record types and subtypes, private types and subtypes,
-- limited private types and subtypes and incomplete types). Points
-- to an element list containing the expressions for each of the
-- stored discriminants for the record (sub)type.
-- Stores_Attribute_Old_Prefix (Flag270)
-- Defined in constants. Set when the constant has been generated to save
-- the value of attribute 'Old's prefix.
-- Strict_Alignment (Flag145) [implementation base type only]
-- Defined in all type entities. Indicates that some containing part
-- is either aliased or tagged. This prohibits packing the object
-- tighter than its natural size and alignment.
-- String_Literal_Length (Uint16)
-- Defined in string literal subtypes (which are created to correspond
-- to string literals in the program). Contains the length of the string
-- literal.
-- String_Literal_Low_Bound (Node18)
-- Defined in string literal subtypes (which are created to correspond
-- to string literals in the program). Contains an expression whose
-- value represents the low bound of the literal. This is a copy of
-- the low bound of the applicable index constraint if there is one,
-- or a copy of the low bound of the index base type if not.
-- Subprograms_For_Type (Node29)
-- Defined in all type and subprogram entities. This is used to hold
-- a list of subprogram entities for subprograms associated with the
-- type, linked through the Subprograms_For_Type field of the subprogram
-- entity. Basically this is a way of multiplexing the single field to
-- hold more than one entity (since we ran out of space in some type
-- entities). This is currently used for Invariant_Procedure and also
-- for Predicate_Function, and clients will always use the latter two
-- names to access entries in this list.
-- Subps_Index (Uint24)
-- Used during Exp_Inst.Unnest_Subprogram to hold the index in the Subps
-- table for a subprogram. See processing in this procedure for details.
-- Note that this overlaps Uplevel_References, it is only set after the
-- latter field has been acquired.
-- Suppress_Elaboration_Warnings (Flag148)
-- Defined in all entities, can be set only for subprogram entities and
-- for variables. If this flag is set then Sem_Elab will not generate
-- elaboration warnings for the subprogram or variable. Suppression of
-- such warnings is automatic for subprograms for which elaboration
-- checks are suppressed (without the need to set this flag), but the
-- flag is also set for various internal entities (such as init procs)
-- which are known not to generate any possible access before
-- elaboration, and it is set on variables when a warning is given to
-- avoid multiple elaboration warnings for the same variable.
-- Suppress_Initialization (Flag105)
-- Defined in all variable, type and subtype entities. If set for a base
-- type, then the generation of initialization procedures is suppressed
-- for the type. Any other implicit initialiation (e.g. from the use of
-- pragma Initialize_Scalars) is also suppressed if this flag is set for
-- either the subtype in question, or for the base type. For variables,
-- this flag suppresses all implicit initialization for the object, even
-- if the type would normally require initialization. Set by use of
-- pragma Suppress_Initialization and also for internal entities where
-- we know that no initialization is required. For example, enumeration
-- image table entities set it.
-- Suppress_Style_Checks (Flag165)
-- Defined in all entities. Suppresses any style checks specifically
-- associated with the given entity if set.
-- Suppress_Value_Tracking_On_Call (Flag217)
-- Defined in all entities. Set in a scope entity if value tracking is to
-- be suppressed on any call within the scope. Used when an access to a
-- local subprogram is computed, to deal with the possibility that this
-- value may be passed around, and if used, may clobber a local variable.
-- Task_Body_Procedure (Node25)
-- Defined in task types and subtypes. Points to the entity for the task
-- task body procedure (as further described in Exp_Ch9, task bodies are
-- expanded into procedures). A convenient function to retrieve this
-- field is Sem_Util.Get_Task_Body_Procedure.
--
-- The last sentence is odd??? Why not have Task_Body_Procedure go to the
-- Underlying_Type of the Root_Type???
-- Thunk_Entity (Node31)
-- Defined in functions and procedures which have been classified as
-- Is_Thunk. Set to the target entity called by the thunk.
-- Treat_As_Volatile (Flag41)
-- Defined in all type entities, and also in constants, components and
-- variables. Set if this entity is to be treated as volatile for code
-- generation purposes. Always set if Is_Volatile is set, but can also
-- be set as a result of situations (such as address overlays) where
-- the front end wishes to force volatile handling to inhibit aliasing
-- optimization which might be legally ok, but is undesirable. Note
-- that the backend always tests this flag rather than Is_Volatile.
-- The front end tests Is_Volatile if it is concerned with legality
-- checks associated with declared volatile variables, but if the test
-- is for the purposes of suppressing optimizations, then the front
-- end should test Treat_As_Volatile rather than Is_Volatile.
--
-- Note: before testing Treat_As_Volatile, consider whether it would
-- be more appropriate to use Exp_Util.Is_Volatile_Reference instead,
-- which catches more cases of volatile references.
-- Type_High_Bound (synthesized)
-- Applies to scalar types. Returns the tree node (Node_Id) that contains
-- the high bound of a scalar type. The returned value is literal for a
-- base type, but may be an expression in the case of scalar type with
-- dynamic bounds. Note that in the case of a fixed point type, the high
-- bound is in units of small, and is an integer.
-- Type_Low_Bound (synthesized)
-- Applies to scalar types. Returns the tree node (Node_Id) that contains
-- the low bound of a scalar type. The returned value is literal for a
-- base type, but may be an expression in the case of scalar type with
-- dynamic bounds. Note that in the case of a fixed point type, the low
-- bound is in units of small, and is an integer.
-- Underlying_Full_View (Node19)
-- Defined in private subtypes that are the completion of other private
-- types, or in private types that are derived from private subtypes. If
-- the full view of a private type T is derived from another private type
-- with discriminants Td, the full view of T is also private, and there
-- is no way to attach to it a further full view that would convey the
-- structure of T to the backend. The Underlying_Full_View is an
-- attribute of the full view that is a subtype of Td with the same
-- constraint as the declaration for T. The declaration for this subtype
-- is built at the point of the declaration of T, either as completion,
-- or as a subtype declaration where the base type is private and has a
-- private completion. If Td is already constrained, then its full view
-- can serve directly as the full view of T.
-- Underlying_Record_View (Node28)
-- Defined in record types. Set for record types that are extensions of
-- types with unknown discriminants, and also set for internally built
-- underlying record views to reference its original record type. Record
-- types that are extensions of types with unknown discriminants do not
-- have a completion, but they cannot be used without having some
-- discriminated view at hand. This view is a record type with the same
-- structure, whose parent type is the full view of the parent in the
-- original type extension.
-- Underlying_Type (synthesized)
-- Applies to all entities. This is the identity function except in the
-- case where it is applied to an incomplete or private type, in which
-- case it is the underlying type of the type declared by the completion,
-- or Empty if the completion has not yet been encountered and analyzed.
--
-- Note: the reason this attribute applies to all entities, and not just
-- types, is to legitimize code where Underlying_Type is applied to an
-- entity which may or may not be a type, with the intent that if it is a
-- type, its underlying type is taken.
--
-- Note also that the value of this attribute is interesting only after
-- the full view of the parent type has been processed. If the parent
-- type is declared in an enclosing package, the attribute will be non-
-- trivial only after the full view of the type has been analyzed.
-- Universal_Aliasing (Flag216) [implementation base type only]
-- Defined in all type entities. Set to direct the back-end to avoid
-- any optimizations based on type-based alias analysis for this type.
-- Indicates that objects of this type can alias objects of any other
-- types, which guarantees that any objects can be referenced through
-- access types designating this type safely, whatever the actual type
-- of these objects. In other words, the effect is as though access
-- types designating this type were subject to No_Strict_Aliasing.
-- Unset_Reference (Node16)
-- Defined in variables and out parameters. This is normally Empty. It
-- is set to point to an identifier that represents a reference to the
-- entity before any value has been set. Only the first such reference
-- is identified. This field is used to generate a warning message if
-- necessary (see Sem_Warn.Check_Unset_Reference).
-- Uplevel_Reference_Noted (Flag283)
-- Defined in all entities, used in Exp_Unst processing to note that an
-- uplevel reference to the entity has been noted (to avoid processing a
-- given entity more than once).
-- Uplevel_References (Elist24)
-- Defined in subprogram entities. Set only if Has_Uplevel_Reference is
-- set and if we are Unnest_Subprogram_Mode, otherwise undefined. Points
-- to a list of explicit uplevel references to entities declared in
-- the subprogram which need rewriting. Each entry uses two elements of
-- the list, the first is the node that is the actual reference, the
-- second is the entity of the enclosing subprogram for the reference.
-- Used_As_Generic_Actual (Flag222)
-- Defined in all entities, set if the entity is used as an argument to
-- a generic instantiation. Used to tune certain warning messages.
-- Uses_Lock_Free (Flag188)
-- Defined in protected type entities. Set to True when the Lock Free
-- implementation is used for the protected type. This implemenatation is
-- based on atomic transactions and doesn't require anymore the use of
-- Protection object (see System.Tasking.Protected_Objects).
-- Uses_Sec_Stack (Flag95)
-- Defined in scope entities (block, entry, function, loop, procedure,
-- task). Set to True when secondary stack is used in this scope and must
-- be released on exit unless Sec_Stack_Needed_For_Return is set.
-- Warnings_Off (Flag96)
-- Defined in all entities. Set if a pragma Warnings (Off, entity-name)
-- is used to suppress warnings for a given entity. It is also used by
-- the compiler in some situations to kill spurious warnings. Note that
-- clients should generally not test this flag directly, but instead
-- use function Has_Warnings_Off.
-- Warnings_Off_Used (Flag236)
-- Defined in all entities. Can only be set if Warnings_Off is set. If
-- set indicates that a warning was suppressed by the Warnings_Off flag,
-- and Unmodified/Unreferenced would not have suppressed the warning.
-- Warnings_Off_Used_Unmodified (Flag237)
-- Defined in all entities. Can only be set if Warnings_Off is set and
-- Has_Pragma_Unmodified is not set. If set indicates that a warning was
-- suppressed by the Warnings_Off status but that pragma Unmodified
-- would also have suppressed the warning.
-- Warnings_Off_Used_Unreferenced (Flag238)
-- Defined in all entities. Can only be set if Warnings_Off is set and
-- Has_Pragma_Unreferenced is not set. If set indicates that a warning
-- was suppressed by the Warnings_Off status but that pragma Unreferenced
-- would also have suppressed the warning.
-- Was_Hidden (Flag196)
-- Defined in all entities. Used to save the value of the Is_Hidden
-- attribute when the limited-view is installed (Ada 2005: AI-217).
-- Wrapped_Entity (Node27)
-- Defined in functions and procedures which have been classified as
-- Is_Primitive_Wrapper. Set to the entity being wrapper.
---------------------------
-- Renaming and Aliasing --
---------------------------
-- Several entity attributes relate to renaming constructs, and to the use of
-- different names to refer to the same entity. The following is a summary of
-- these constructs and their prefered uses.
-- There are three related attributes:
-- Renamed_Entity
-- Renamed_Object
-- Alias
-- They all overlap because they are supposed to apply to different entity
-- kinds. They are semantically related, and have the following intended uses:
-- a) Renamed_Entity appplies to entities in renaming declarations that rename
-- an entity, so the value of the attribute IS an entity. This applies to
-- generic renamings, package renamings, exception renamings, and subprograms
-- renamings that rename a subprogram (rather than an attribute, an entry, a
-- protected operation, etc).
-- b) Alias applies to overloadable entities, and the value is an overloadable
-- entity. so this is a subset of the previous one. We use the term Alias to
-- cover both renamings and inherited operations, because both cases are
-- handled in the same way when expanding a call. namely the Alias of a given
-- subprogram is the subprogram that will actually be called.
-- Both a) and b) are set transitively, so that in fact it is not necessary to
-- traverse chains of renamings when looking for the original entity: it's
-- there in one step (this is done when analyzing renaming declarations other
-- than object renamings in sem_ch8).
-- c) Renamed_Object applies to constants and variables. Given that the name
-- in an object renaming declaration is not necessarily an entity name, the
-- value of the attribute is the tree for that name, eg AR (1).Comp. The case
-- when that name is in fact an entity is not handled specially. This is why
-- in a few cases we need to use a loop to trace a chain of object renamings
-- where all of them happen to be entities. So:
-- X : integer;
-- Y : integer renames X; -- renamed object is the identifier X
-- Z : integer renames Y; -- renamed object is the identifier Y
-- The front-end does not store explicitly the fact that Z renames X.
--------------------------------------
-- Delayed Freezing and Elaboration --
--------------------------------------
-- The flag Has_Delayed_Freeze indicates that an entity carries an explicit
-- freeze node, which appears later in the expanded tree.
-- a) The flag is used by the front-end to trigger expansion actions
-- which include the generation of that freeze node. Typically this happens at
-- the end of the current compilation unit, or before the first subprogram
-- body is encountered in the current unit. See files freeze and exp_ch13 for
-- details on the actions triggered by a freeze node, which include the
-- construction of initialization procedures and dispatch tables.
-- b) The flag is used by the backend to defer elaboration of the entity until
-- its freeze node is seen. In the absence of an explicit freeze node, an
-- entity is frozen (and elaborated) at the point of declaration.
-- For object declarations, the flag is set when an address clause for the
-- object is encountered. Legality checks on the address expression only
-- take place at the freeze point of the object.
-- Most types have an explicit freeze node, because they cannot be elaborated
-- until all representation and operational items that apply to them have been
-- analyzed. Private types and incomplete types have the flag set as well, as
-- do task and protected types.
-- Implicit base types created for type derivations, as well as classwide
-- types created for all tagged types, have the flag set.
-- If a subprogram has an access parameter whose designated type is incomplete
-- the subprogram has the flag set.
------------------
-- Access Kinds --
------------------
-- The following entity kinds are introduced by the corresponding type
-- definitions:
-- E_Access_Type,
-- E_General_Access_Type,
-- E_Access_Subprogram_Type,
-- E_Anonymous_Access_Subprogram_Type,
-- E_Access_Protected_Subprogram_Type,
-- E_Anonymous_Access_Protected_Subprogram_Type
-- E_Anonymous_Access_Type.
-- E_Access_Subtype is for an access subtype created by a subtype
-- declaration.
-- In addition, we define the kind E_Allocator_Type to label allocators.
-- This is because special resolution rules apply to this construct.
-- Eventually the constructs are labeled with the access type imposed by
-- the context. The backend should never see types with this Ekind.
-- Similarly, the type E_Access_Attribute_Type is used as the initial kind
-- associated with an access attribute. After resolution a specific access
-- type will be established as determined by the context.
-- Finally, the type Any_Access is used to label -null- during type
-- resolution. Any_Access is also replaced by the context type after
-- resolution.
--------------------------------
-- Classification of Entities --
--------------------------------
-- The classification of program entities which follows is a refinement of
-- the list given in RM 3.1(1). E.g., separate entities denote subtypes of
-- different type classes. Ada 95 entities include class wide types,
-- protected types, subprogram types, generalized access types, generic
-- formal derived types and generic formal packages.
-- The order chosen for these kinds allows us to classify related entities
-- so that they are contiguous. As a result, they do not appear in the
-- exact same order as their order of first appearance in the LRM (For
-- example, private types are listed before packages). The contiguity
-- allows us to define useful subtypes (see below) such as type entities,
-- overloaded entities, etc.
-- Each entity (explicitly or implicitly declared) has a kind, which is
-- a value of the following type:
type Entity_Kind is (
E_Void,
-- The initial Ekind value for a newly created entity. Also used as the
-- Ekind for Standard_Void_Type, a type entity in Standard used as a
-- dummy type for the return type of a procedure (the reason we create
-- this type is to share the circuits for performing overload resolution
-- on calls).
-------------
-- Objects --
-------------
E_Component,
-- Components of a record declaration, private declarations of
-- protected objects.
E_Constant,
-- Constants created by an object declaration with a constant keyword
E_Discriminant,
-- A discriminant, created by the use of a discriminant in a type
-- declaration.
E_Loop_Parameter,
-- A loop parameter created by a for loop
E_Variable,
-- Variables created by an object declaration with no constant keyword
------------------------
-- Parameter Entities --
------------------------
-- Parameters are also objects
E_Out_Parameter,
-- An out parameter of a subprogram or entry
E_In_Out_Parameter,
-- An in-out parameter of a subprogram or entry
E_In_Parameter,
-- An in parameter of a subprogram or entry
--------------------------------
-- Generic Parameter Entities --
--------------------------------
-- Generic parameters are also objects
E_Generic_In_Out_Parameter,
-- A generic in out parameter, created by the use of a generic in out
-- parameter in a generic declaration.
E_Generic_In_Parameter,
-- A generic in parameter, created by the use of a generic in
-- parameter in a generic declaration.
-------------------
-- Named Numbers --
-------------------
E_Named_Integer,
-- Named numbers created by a number declaration with an integer value
E_Named_Real,
-- Named numbers created by a number declaration with a real value
-----------------------
-- Enumeration Types --
-----------------------
E_Enumeration_Type,
-- Enumeration types, created by an enumeration type declaration
E_Enumeration_Subtype,
-- Enumeration subtypes, created by an explicit or implicit subtype
-- declaration applied to an enumeration type or subtype.
-------------------
-- Numeric Types --
-------------------
E_Signed_Integer_Type,
-- Signed integer type, used for the anonymous base type of the
-- integer subtype created by an integer type declaration.
E_Signed_Integer_Subtype,
-- Signed integer subtype, created by either an integer subtype or
-- integer type declaration (in the latter case an integer type is
-- created for the base type, and this is the first named subtype).
E_Modular_Integer_Type,
-- Modular integer type, used for the anonymous base type of the
-- integer subtype created by a modular integer type declaration.
E_Modular_Integer_Subtype,
-- Modular integer subtype, created by either an modular subtype
-- or modular type declaration (in the latter case a modular type
-- is created for the base type, and this is the first named subtype).
E_Ordinary_Fixed_Point_Type,
-- Ordinary fixed type, used for the anonymous base type of the fixed
-- subtype created by an ordinary fixed point type declaration.
E_Ordinary_Fixed_Point_Subtype,
-- Ordinary fixed point subtype, created by either an ordinary fixed
-- point subtype or ordinary fixed point type declaration (in the
-- latter case a fixed point type is created for the base type, and
-- this is the first named subtype).
E_Decimal_Fixed_Point_Type,
-- Decimal fixed type, used for the anonymous base type of the decimal
-- fixed subtype created by an ordinary fixed point type declaration.
E_Decimal_Fixed_Point_Subtype,
-- Decimal fixed point subtype, created by either a decimal fixed point
-- subtype or decimal fixed point type declaration (in the latter case
-- a fixed point type is created for the base type, and this is the
-- first named subtype).
E_Floating_Point_Type,
-- Floating point type, used for the anonymous base type of the
-- floating point subtype created by a floating point type declaration.
E_Floating_Point_Subtype,
-- Floating point subtype, created by either a floating point subtype
-- or floating point type declaration (in the latter case a floating
-- point type is created for the base type, and this is the first
-- named subtype).
------------------
-- Access Types --
------------------
E_Access_Type,
-- An access type created by an access type declaration with no all
-- keyword present. Note that the predefined type Any_Access, which
-- has E_Access_Type Ekind, is used to label NULL in the upwards pass
-- of type analysis, to be replaced by the true access type in the
-- downwards resolution pass.
E_Access_Subtype,
-- An access subtype created by a subtype declaration for any access
-- type (whether or not it is a general access type).
E_Access_Attribute_Type,
-- An access type created for an access attribute (such as 'Access,
-- 'Unrestricted_Access and Unchecked_Access)
E_Allocator_Type,
-- A special internal type used to label allocators and references to
-- objects using 'Reference. This is needed because special resolution
-- rules apply to these constructs. On the resolution pass, this type
-- is almost always replaced by the actual access type, but if the
-- context does not provide one, the backend will see Allocator_Type
-- itself (which will already have been frozen).
E_General_Access_Type,
-- An access type created by an access type declaration with the all
-- keyword present.
E_Access_Subprogram_Type,
-- An access to subprogram type, created by an access to subprogram
-- declaration.
E_Anonymous_Access_Subprogram_Type,
-- An anonymous access to subprogram type, created by an access to
-- subprogram declaration, or generated for a current instance of
-- a type name appearing within a component definition that has an
-- anonymous access to subprogram type.
E_Access_Protected_Subprogram_Type,
-- An access to a protected subprogram, created by the corresponding
-- declaration. Values of such a type denote both a protected object
-- and a protected operation within, and have different compile-time
-- and run-time properties than other access to subprograms.
E_Anonymous_Access_Protected_Subprogram_Type,
-- An anonymous access to protected subprogram type, created by an
-- access to subprogram declaration.
E_Anonymous_Access_Type,
-- An anonymous access type created by an access parameter or access
-- discriminant.
---------------------
-- Composite Types --
---------------------
E_Array_Type,
-- An array type created by an array type declaration. Includes all
-- cases of arrays, except for string types.
E_Array_Subtype,
-- An array subtype, created by an explicit array subtype declaration,
-- or the use of an anonymous array subtype.
E_String_Type,
E_String_Subtype,
-- These are obsolete and not used any more, they are retained to ease
-- transition in getting rid of these obsolete entries.
E_String_Literal_Subtype,
-- A special string subtype, used only to describe the type of a string
-- literal (will always be one dimensional, with literal bounds).
E_Class_Wide_Type,
-- A class wide type, created by any tagged type declaration (i.e. if
-- a tagged type is declared, the corresponding class type is always
-- created, using this Ekind value).
E_Class_Wide_Subtype,
-- A subtype of a class wide type, created by a subtype declaration
-- used to declare a subtype of a class type.
E_Record_Type,
-- A record type, created by a record type declaration
E_Record_Subtype,
-- A record subtype, created by a record subtype declaration
E_Record_Type_With_Private,
-- Used for types defined by a private extension declaration,
-- and for tagged private types. Includes the fields for both
-- private types and for record types (with the sole exception of
-- Corresponding_Concurrent_Type which is obviously not needed). This
-- entity is considered to be both a record type and a private type.
E_Record_Subtype_With_Private,
-- A subtype of a type defined by a private extension declaration
E_Private_Type,
-- A private type, created by a private type declaration that has
-- neither the keyword limited nor the keyword tagged.
E_Private_Subtype,
-- A subtype of a private type, created by a subtype declaration used
-- to declare a subtype of a private type.
E_Limited_Private_Type,
-- A limited private type, created by a private type declaration that
-- has the keyword limited, but not the keyword tagged.
E_Limited_Private_Subtype,
-- A subtype of a limited private type, created by a subtype declaration
-- used to declare a subtype of a limited private type.
E_Incomplete_Type,
-- An incomplete type, created by an incomplete type declaration
E_Incomplete_Subtype,
-- An incomplete subtype, created by a subtype declaration where the
-- subtype mark denotes an incomplete type.
E_Task_Type,
-- A task type, created by a task type declaration. An entity with this
-- Ekind is also created to describe the anonymous type of a task that
-- is created by a single task declaration.
E_Task_Subtype,
-- A subtype of a task type, created by a subtype declaration used to
-- declare a subtype of a task type.
E_Protected_Type,
-- A protected type, created by a protected type declaration. An entity
-- with this Ekind is also created to describe the anonymous type of
-- a protected object created by a single protected declaration.
E_Protected_Subtype,
-- A subtype of a protected type, created by a subtype declaration used
-- to declare a subtype of a protected type.
-----------------
-- Other Types --
-----------------
E_Exception_Type,
-- The type of an exception created by an exception declaration
E_Subprogram_Type,
-- This is the designated type of an Access_To_Subprogram. Has type and
-- signature like a subprogram entity, so can appear in calls, which
-- are resolved like regular calls, except that such an entity is not
-- overloadable.
---------------------------
-- Overloadable Entities --
---------------------------
E_Enumeration_Literal,
-- An enumeration literal, created by the use of the literal in an
-- enumeration type definition.
E_Function,
-- A function, created by a function declaration or a function body
-- that acts as its own declaration.
E_Operator,
-- A predefined operator, appearing in Standard, or an implicitly
-- defined concatenation operator created whenever an array is declared.
-- We do not make normal derived operators explicit in the tree, but the
-- concatenation operators are made explicit.
E_Procedure,
-- A procedure, created by a procedure declaration or a procedure
-- body that acts as its own declaration.
E_Entry,
-- An entry, created by an entry declaration in a task or protected
-- object.
E_Abstract_State,
-- A state abstraction. Used to designate entities introduced by aspect
-- or pragma Abstract_State. The entity carries the various properties
-- of the state.
--------------------
-- Other Entities --
--------------------
E_Entry_Family,
-- An entry family, created by an entry family declaration in a
-- task or protected type definition.
E_Block,
-- A block identifier, created by an explicit or implicit label on
-- a block or declare statement.
E_Entry_Index_Parameter,
-- An entry index parameter created by an entry index specification
-- for the body of a protected entry family.
E_Exception,
-- An exception created by an exception declaration. The exception
-- itself uses E_Exception for the Ekind, the implicit type that is
-- created to represent its type uses the Ekind E_Exception_Type.
E_Generic_Function,
-- A generic function. This is the entity for a generic function
-- created by a generic subprogram declaration.
E_Generic_Procedure,
-- A generic function. This is the entity for a generic procedure
-- created by a generic subprogram declaration.
E_Generic_Package,
-- A generic package, this is the entity for a generic package created
-- by a generic package declaration.
E_Label,
-- The defining entity for a label. Note that this is created by the
-- implicit label declaration, not the occurrence of the label itself,
-- which is simply a direct name referring to the label.
E_Loop,
-- A loop identifier, created by an explicit or implicit label on a
-- loop statement.
E_Return_Statement,
-- A dummy entity created for each return statement. Used to hold
-- information about the return statement (what it applies to) and in
-- rules checking. For example, a simple_return_statement that applies
-- to an extended_return_statement cannot have an expression; this
-- requires putting the E_Return_Statement entity for the
-- extended_return_statement on the scope stack.
E_Package,
-- A package, created by a package declaration
E_Package_Body,
-- A package body. This entity serves only limited functions, since
-- most semantic analysis uses the package entity (E_Package). However
-- there are some attributes that are significant for the body entity.
-- For example, collection of exception handlers.
E_Protected_Object,
-- A protected object, created by an object declaration that declares
-- an object of a protected type.
E_Protected_Body,
-- A protected body. This entity serves almost no function, since all
-- semantic analysis uses the protected entity (E_Protected_Type)
E_Task_Body,
-- A task body. This entity serves almost no function, since all
-- semantic analysis uses the protected entity (E_Task_Type).
E_Subprogram_Body
-- A subprogram body. Used when a subprogram has a separate declaration
-- to represent the entity for the body. This entity serves almost no
-- function, since all semantic analysis uses the subprogram entity
-- for the declaration (E_Function or E_Procedure).
);
for Entity_Kind'Size use 8;
-- The data structures in Atree assume this
--------------------------
-- Subtype Declarations --
--------------------------
-- The above entities are arranged so that they can be conveniently grouped
-- into subtype ranges. Note that for each of the xxx_Kind ranges defined
-- below, there is a corresponding Is_xxx (or for types, Is_xxx_Type)
-- predicate which is to be used in preference to direct range tests using
-- the subtype name. However, the subtype names are available for direct
-- use, e.g. as choices in case statements.
subtype Access_Kind is Entity_Kind range
E_Access_Type ..
-- E_Access_Subtype
-- E_Access_Attribute_Type
-- E_Allocator_Type
-- E_General_Access_Type
-- E_Access_Subprogram_Type
-- E_Anonymous_Access_Subprogram_Type
-- E_Access_Protected_Subprogram_Type
-- E_Anonymous_Access_Protected_Subprogram_Type
E_Anonymous_Access_Type;
subtype Access_Subprogram_Kind is Entity_Kind range
E_Access_Subprogram_Type ..
-- E_Anonymous_Access_Subprogram_Type
-- E_Access_Protected_Subprogram_Type
E_Anonymous_Access_Protected_Subprogram_Type;
subtype Access_Protected_Kind is Entity_Kind range
E_Access_Protected_Subprogram_Type ..
E_Anonymous_Access_Protected_Subprogram_Type;
subtype Aggregate_Kind is Entity_Kind range
E_Array_Type ..
-- E_Array_Subtype
-- E_String_Literal_Subtype
-- E_Class_Wide_Type
-- E_Class_Wide_Subtype
-- E_Record_Type
E_Record_Subtype;
subtype Array_Kind is Entity_Kind range
E_Array_Type ..
-- E_Array_Subtype
E_String_Literal_Subtype;
subtype Assignable_Kind is Entity_Kind range
E_Variable ..
-- E_Out_Parameter
E_In_Out_Parameter;
subtype Class_Wide_Kind is Entity_Kind range
E_Class_Wide_Type ..
E_Class_Wide_Subtype;
subtype Composite_Kind is Entity_Kind range
E_Array_Type ..
-- E_Array_Subtype
-- E_String_Literal_Subtype
-- E_Class_Wide_Type
-- E_Class_Wide_Subtype
-- E_Record_Type
-- E_Record_Subtype
-- E_Record_Type_With_Private
-- E_Record_Subtype_With_Private
-- E_Private_Type
-- E_Private_Subtype
-- E_Limited_Private_Type
-- E_Limited_Private_Subtype
-- E_Incomplete_Type
-- E_Incomplete_Subtype
-- E_Task_Type
-- E_Task_Subtype,
-- E_Protected_Type,
E_Protected_Subtype;
subtype Concurrent_Kind is Entity_Kind range
E_Task_Type ..
-- E_Task_Subtype,
-- E_Protected_Type,
E_Protected_Subtype;
subtype Concurrent_Body_Kind is Entity_Kind range
E_Protected_Body ..
E_Task_Body;
subtype Decimal_Fixed_Point_Kind is Entity_Kind range
E_Decimal_Fixed_Point_Type ..
E_Decimal_Fixed_Point_Subtype;
subtype Digits_Kind is Entity_Kind range
E_Decimal_Fixed_Point_Type ..
-- E_Decimal_Fixed_Point_Subtype
-- E_Floating_Point_Type
E_Floating_Point_Subtype;
subtype Discrete_Kind is Entity_Kind range
E_Enumeration_Type ..
-- E_Enumeration_Subtype
-- E_Signed_Integer_Type
-- E_Signed_Integer_Subtype
-- E_Modular_Integer_Type
E_Modular_Integer_Subtype;
subtype Discrete_Or_Fixed_Point_Kind is Entity_Kind range
E_Enumeration_Type ..
-- E_Enumeration_Subtype
-- E_Signed_Integer_Type
-- E_Signed_Integer_Subtype
-- E_Modular_Integer_Type
-- E_Modular_Integer_Subtype
-- E_Ordinary_Fixed_Point_Type
-- E_Ordinary_Fixed_Point_Subtype
-- E_Decimal_Fixed_Point_Type
E_Decimal_Fixed_Point_Subtype;
subtype Elementary_Kind is Entity_Kind range
E_Enumeration_Type ..
-- E_Enumeration_Subtype
-- E_Signed_Integer_Type
-- E_Signed_Integer_Subtype
-- E_Modular_Integer_Type
-- E_Modular_Integer_Subtype
-- E_Ordinary_Fixed_Point_Type
-- E_Ordinary_Fixed_Point_Subtype
-- E_Decimal_Fixed_Point_Type
-- E_Decimal_Fixed_Point_Subtype
-- E_Floating_Point_Type
-- E_Floating_Point_Subtype
-- E_Access_Type
-- E_Access_Subtype
-- E_Access_Attribute_Type
-- E_Allocator_Type
-- E_General_Access_Type
-- E_Access_Subprogram_Type
-- E_Access_Protected_Subprogram_Type
-- E_Anonymous_Access_Subprogram_Type
-- E_Anonymous_Access_Protected_Subprogram_Type
E_Anonymous_Access_Type;
subtype Enumeration_Kind is Entity_Kind range
E_Enumeration_Type ..
E_Enumeration_Subtype;
subtype Entry_Kind is Entity_Kind range
E_Entry ..
E_Entry_Family;
subtype Fixed_Point_Kind is Entity_Kind range
E_Ordinary_Fixed_Point_Type ..
-- E_Ordinary_Fixed_Point_Subtype
-- E_Decimal_Fixed_Point_Type
E_Decimal_Fixed_Point_Subtype;
subtype Float_Kind is Entity_Kind range
E_Floating_Point_Type ..
E_Floating_Point_Subtype;
subtype Formal_Kind is Entity_Kind range
E_Out_Parameter ..
-- E_In_Out_Parameter
E_In_Parameter;
subtype Formal_Object_Kind is Entity_Kind range
E_Generic_In_Out_Parameter ..
E_Generic_In_Parameter;
subtype Generic_Subprogram_Kind is Entity_Kind range
E_Generic_Function ..
E_Generic_Procedure;
subtype Generic_Unit_Kind is Entity_Kind range
E_Generic_Function ..
-- E_Generic_Procedure
E_Generic_Package;
subtype Incomplete_Kind is Entity_Kind range
E_Incomplete_Type ..
E_Incomplete_Subtype;
subtype Incomplete_Or_Private_Kind is Entity_Kind range
E_Record_Type_With_Private ..
-- E_Record_Subtype_With_Private
-- E_Private_Type
-- E_Private_Subtype
-- E_Limited_Private_Type
-- E_Limited_Private_Subtype
-- E_Incomplete_Type
E_Incomplete_Subtype;
subtype Integer_Kind is Entity_Kind range
E_Signed_Integer_Type ..
-- E_Signed_Integer_Subtype
-- E_Modular_Integer_Type
E_Modular_Integer_Subtype;
subtype Modular_Integer_Kind is Entity_Kind range
E_Modular_Integer_Type ..
E_Modular_Integer_Subtype;
subtype Named_Kind is Entity_Kind range
E_Named_Integer ..
E_Named_Real;
subtype Numeric_Kind is Entity_Kind range
E_Signed_Integer_Type ..
-- E_Signed_Integer_Subtype
-- E_Modular_Integer_Type
-- E_Modular_Integer_Subtype
-- E_Ordinary_Fixed_Point_Type
-- E_Ordinary_Fixed_Point_Subtype
-- E_Decimal_Fixed_Point_Type
-- E_Decimal_Fixed_Point_Subtype
-- E_Floating_Point_Type
E_Floating_Point_Subtype;
subtype Object_Kind is Entity_Kind range
E_Component ..
-- E_Constant
-- E_Discriminant
-- E_Loop_Parameter
-- E_Variable
-- E_Out_Parameter
-- E_In_Out_Parameter
-- E_In_Parameter
-- E_Generic_In_Out_Parameter
E_Generic_In_Parameter;
subtype Ordinary_Fixed_Point_Kind is Entity_Kind range
E_Ordinary_Fixed_Point_Type ..
E_Ordinary_Fixed_Point_Subtype;
subtype Overloadable_Kind is Entity_Kind range
E_Enumeration_Literal ..
-- E_Function
-- E_Operator
-- E_Procedure
-- E_Entry
E_Abstract_State;
subtype Private_Kind is Entity_Kind range
E_Record_Type_With_Private ..
-- E_Record_Subtype_With_Private
-- E_Private_Type
-- E_Private_Subtype
-- E_Limited_Private_Type
E_Limited_Private_Subtype;
subtype Protected_Kind is Entity_Kind range
E_Protected_Type ..
E_Protected_Subtype;
subtype Real_Kind is Entity_Kind range
E_Ordinary_Fixed_Point_Type ..
-- E_Ordinary_Fixed_Point_Subtype
-- E_Decimal_Fixed_Point_Type
-- E_Decimal_Fixed_Point_Subtype
-- E_Floating_Point_Type
E_Floating_Point_Subtype;
subtype Record_Kind is Entity_Kind range
E_Class_Wide_Type ..
-- E_Class_Wide_Subtype
-- E_Record_Type
-- E_Record_Subtype
-- E_Record_Type_With_Private
E_Record_Subtype_With_Private;
subtype Scalar_Kind is Entity_Kind range
E_Enumeration_Type ..
-- E_Enumeration_Subtype
-- E_Signed_Integer_Type
-- E_Signed_Integer_Subtype
-- E_Modular_Integer_Type
-- E_Modular_Integer_Subtype
-- E_Ordinary_Fixed_Point_Type
-- E_Ordinary_Fixed_Point_Subtype
-- E_Decimal_Fixed_Point_Type
-- E_Decimal_Fixed_Point_Subtype
-- E_Floating_Point_Type
E_Floating_Point_Subtype;
subtype Subprogram_Kind is Entity_Kind range
E_Function ..
-- E_Operator
E_Procedure;
subtype Signed_Integer_Kind is Entity_Kind range
E_Signed_Integer_Type ..
E_Signed_Integer_Subtype;
subtype Task_Kind is Entity_Kind range
E_Task_Type ..
E_Task_Subtype;
subtype Type_Kind is Entity_Kind range
E_Enumeration_Type ..
-- E_Enumeration_Subtype
-- E_Signed_Integer_Type
-- E_Signed_Integer_Subtype
-- E_Modular_Integer_Type
-- E_Modular_Integer_Subtype
-- E_Ordinary_Fixed_Point_Type
-- E_Ordinary_Fixed_Point_Subtype
-- E_Decimal_Fixed_Point_Type
-- E_Decimal_Fixed_Point_Subtype
-- E_Floating_Point_Type
-- E_Floating_Point_Subtype
-- E_Access_Type
-- E_Access_Subtype
-- E_Access_Attribute_Type
-- E_Allocator_Type,
-- E_General_Access_Type
-- E_Access_Subprogram_Type,
-- E_Access_Protected_Subprogram_Type
-- E_Anonymous_Access_Subprogram_Type
-- E_Anonymous_Access_Protected_Subprogram_Type
-- E_Anonymous_Access_Type
-- E_Array_Type
-- E_Array_Subtype
-- E_String_Literal_Subtype
-- E_Class_Wide_Subtype
-- E_Class_Wide_Type
-- E_Record_Type
-- E_Record_Subtype
-- E_Record_Type_With_Private
-- E_Record_Subtype_With_Private
-- E_Private_Type
-- E_Private_Subtype
-- E_Limited_Private_Type
-- E_Limited_Private_Subtype
-- E_Incomplete_Type
-- E_Incomplete_Subtype
-- E_Task_Type
-- E_Task_Subtype
-- E_Protected_Type
-- E_Protected_Subtype
-- E_Exception_Type
E_Subprogram_Type;
--------------------------------------------------------
-- Description of Defined Attributes for Entity_Kinds --
--------------------------------------------------------
-- For each enumeration value defined in Entity_Kind we list all the
-- attributes defined in Einfo which can legally be applied to an entity
-- of that kind. The implementation of the attribute functions (and for
-- non-synthesized attributes, of the corresponding set procedures) are
-- in the Einfo body.
-- The following attributes are defined in all entities
-- Ekind (Ekind)
-- Chars (Name1)
-- Next_Entity (Node2)
-- Scope (Node3)
-- Homonym (Node4)
-- Etype (Node5)
-- First_Rep_Item (Node6)
-- Freeze_Node (Node7)
-- Address_Taken (Flag104)
-- Can_Never_Be_Null (Flag38)
-- Checks_May_Be_Suppressed (Flag31)
-- Debug_Info_Off (Flag166)
-- Has_Convention_Pragma (Flag119)
-- Has_Delayed_Aspects (Flag200)
-- Has_Delayed_Freeze (Flag18)
-- Has_Fully_Qualified_Name (Flag173)
-- Has_Gigi_Rep_Item (Flag82)
-- Has_Homonym (Flag56)
-- Has_Pragma_Elaborate_Body (Flag150)
-- Has_Pragma_Inline (Flag157)
-- Has_Pragma_Inline_Always (Flag230)
-- Has_Pragma_No_Inline (Flag201)
-- Has_Pragma_Pure (Flag203)
-- Has_Pragma_Pure_Function (Flag179)
-- Has_Pragma_Thread_Local_Storage (Flag169)
-- Has_Pragma_Unmodified (Flag233)
-- Has_Pragma_Unreferenced (Flag180)
-- Has_Private_Declaration (Flag155)
-- Has_Qualified_Name (Flag161)
-- Has_Stream_Size_Clause (Flag184)
-- Has_Unknown_Discriminants (Flag72)
-- Has_Xref_Entry (Flag182)
-- In_Private_Part (Flag45)
-- Is_Ada_2005_Only (Flag185)
-- Is_Ada_2012_Only (Flag199)
-- Is_Bit_Packed_Array (Flag122) (base type only)
-- Is_Aliased (Flag15)
-- Is_Character_Type (Flag63)
-- Is_Checked_Ghost_Entity (Flag277)
-- Is_Child_Unit (Flag73)
-- Is_Compilation_Unit (Flag149)
-- Is_Completely_Hidden (Flag103)
-- Is_Descendent_Of_Address (Flag223)
-- Is_Discrim_SO_Function (Flag176)
-- Is_Discriminant_Check_Function (Flag264)
-- Is_Dispatch_Table_Entity (Flag234)
-- Is_Dispatching_Operation (Flag6)
-- Is_Entry_Formal (Flag52)
-- Is_Exported (Flag99)
-- Is_First_Subtype (Flag70)
-- Is_Formal_Subprogram (Flag111)
-- Is_Generic_Instance (Flag130)
-- Is_Generic_Type (Flag13)
-- Is_Hidden (Flag57)
-- Is_Hidden_Open_Scope (Flag171)
-- Is_Ignored_Ghost_Entity (Flag278)
-- Is_Immediately_Visible (Flag7)
-- Is_Implementation_Defined (Flag254)
-- Is_Imported (Flag24)
-- Is_Inlined (Flag11)
-- Is_Internal (Flag17)
-- Is_Itype (Flag91)
-- Is_Known_Non_Null (Flag37)
-- Is_Known_Null (Flag204)
-- Is_Known_Valid (Flag170)
-- Is_Limited_Composite (Flag106)
-- Is_Limited_Record (Flag25)
-- Is_Obsolescent (Flag153)
-- Is_Package_Body_Entity (Flag160)
-- Is_Packed_Array_Impl_Type (Flag138)
-- Is_Potentially_Use_Visible (Flag9)
-- Is_Preelaborated (Flag59)
-- Is_Primitive_Wrapper (Flag195)
-- Is_Public (Flag10)
-- Is_Pure (Flag44)
-- Is_Remote_Call_Interface (Flag62)
-- Is_Remote_Types (Flag61)
-- Is_Renaming_Of_Object (Flag112)
-- Is_Shared_Passive (Flag60)
-- Is_Statically_Allocated (Flag28)
-- Is_Tagged_Type (Flag55)
-- Is_Thunk (Flag225)
-- Is_Trivial_Subprogram (Flag235)
-- Is_Unchecked_Union (Flag117)
-- Is_Unimplemented (Flag284)
-- Is_Visible_Formal (Flag206)
-- Kill_Elaboration_Checks (Flag32)
-- Kill_Range_Checks (Flag33)
-- Low_Bound_Tested (Flag205)
-- Materialize_Entity (Flag168)
-- Needs_Debug_Info (Flag147)
-- Never_Set_In_Source (Flag115)
-- No_Return (Flag113)
-- Overlays_Constant (Flag243)
-- Referenced (Flag156)
-- Referenced_As_LHS (Flag36)
-- Referenced_As_Out_Parameter (Flag227)
-- Suppress_Elaboration_Warnings (Flag148)
-- Suppress_Style_Checks (Flag165)
-- Suppress_Value_Tracking_On_Call (Flag217)
-- Uplevel_Reference_Noted (Flag283)
-- Used_As_Generic_Actual (Flag222)
-- Warnings_Off (Flag96)
-- Warnings_Off_Used (Flag236)
-- Warnings_Off_Used_Unmodified (Flag237)
-- Warnings_Off_Used_Unreferenced (Flag238)
-- Was_Hidden (Flag196)
-- Declaration_Node (synth)
-- Has_Foreign_Convention (synth)
-- Is_Dynamic_Scope (synth)
-- Is_Standard_Character_Type (synth)
-- Is_Standard_String_Type (synth)
-- Underlying_Type (synth)
-- all classification attributes (synth)
-- The following list of access functions applies to all entities for
-- types and subtypes. References to this list appear subsequently as
-- as "(plus type attributes)" for each appropriate Entity_Kind.
-- Associated_Node_For_Itype (Node8)
-- Class_Wide_Type (Node9)
-- Full_View (Node11)
-- Esize (Uint12)
-- RM_Size (Uint13)
-- Alignment (Uint14)
-- Pending_Access_Types (Elist15)
-- Related_Expression (Node24)
-- Current_Use_Clause (Node27)
-- Subprograms_For_Type (Node29)
-- Derived_Type_Link (Node31)
-- No_Tagged_Streams_Pragma (Node32)
-- Linker_Section_Pragma (Node33)
-- Depends_On_Private (Flag14)
-- Discard_Names (Flag88)
-- Finalize_Storage_Only (Flag158) (base type only)
-- From_Limited_With (Flag159)
-- Has_Aliased_Components (Flag135) (base type only)
-- Has_Alignment_Clause (Flag46)
-- Has_Atomic_Components (Flag86) (base type only)
-- Has_Completion_In_Body (Flag71)
-- Has_Complex_Representation (Flag140) (base type only)
-- Has_Constrained_Partial_View (Flag187)
-- Has_Controlled_Component (Flag43) (base type only)
-- Has_Default_Aspect (Flag39) (base type only)
-- Has_Default_Init_Cond (Flag3)
-- Has_Delayed_Rep_Aspects (Flag261)
-- Has_Discriminants (Flag5)
-- Has_Dynamic_Predicate_Aspect (Flag258)
-- Has_Independent_Components (Flag34) (base type only)
-- Has_Inheritable_Invariants (Flag248)
-- Has_Inherited_Default_Init_Cond (Flag133)
-- Has_Invariants (Flag232)
-- Has_Non_Standard_Rep (Flag75) (base type only)
-- Has_Object_Size_Clause (Flag172)
-- Has_Pragma_Preelab_Init (Flag221)
-- Has_Pragma_Unreferenced_Objects (Flag212)
-- Has_Predicates (Flag250)
-- Has_Primitive_Operations (Flag120) (base type only)
-- Has_Protected (Flag271) (base type only)
-- Has_Size_Clause (Flag29)
-- Has_Specified_Layout (Flag100) (base type only)
-- Has_Specified_Stream_Input (Flag190)
-- Has_Specified_Stream_Output (Flag191)
-- Has_Specified_Stream_Read (Flag192)
-- Has_Specified_Stream_Write (Flag193)
-- Has_Static_Predicate (Flag269)
-- Has_Static_Predicate_Aspect (Flag259)
-- Has_Task (Flag30) (base type only)
-- Has_Unchecked_Union (Flag123) (base type only)
-- Has_Uplevel_Reference (Flag215)
-- Has_Volatile_Components (Flag87) (base type only)
-- In_Use (Flag8)
-- Is_Abstract_Type (Flag146)
-- Is_Asynchronous (Flag81)
-- Is_Atomic (Flag85)
-- Is_Constr_Subt_For_U_Nominal (Flag80)
-- Is_Constr_Subt_For_UN_Aliased (Flag141)
-- Is_Controlled (Flag42) (base type only)
-- Is_Eliminated (Flag124)
-- Is_Frozen (Flag4)
-- Is_Generic_Actual_Type (Flag94)
-- Is_Independent (Flag268)
-- Is_RACW_Stub_Type (Flag244)
-- Is_Non_Static_Subtype (Flag109)
-- Is_Packed (Flag51) (base type only)
-- Is_Private_Composite (Flag107)
-- Is_Static_Type (Flag281)
-- Is_Unsigned_Type (Flag144)
-- Is_Volatile (Flag16)
-- Itype_Printed (Flag202) (itypes only)
-- Known_To_Have_Preelab_Init (Flag207)
-- May_Inherit_Delayed_Rep_Aspects (Flag262)
-- Must_Be_On_Byte_Boundary (Flag183)
-- Must_Have_Preelab_Init (Flag208)
-- Optimize_Alignment_Space (Flag241)
-- Optimize_Alignment_Time (Flag242)
-- Partial_View_Has_Unknown_Discr (Flag280)
-- Size_Depends_On_Discriminant (Flag177)
-- Size_Known_At_Compile_Time (Flag92)
-- Strict_Alignment (Flag145) (base type only)
-- Suppress_Initialization (Flag105)
-- Treat_As_Volatile (Flag41)
-- Universal_Aliasing (Flag216) (impl base type only)
-- Alignment_Clause (synth)
-- Base_Type (synth)
-- Default_Init_Cond_Procedure (synth)
-- Implementation_Base_Type (synth)
-- Invariant_Procedure (synth)
-- Is_Access_Protected_Subprogram_Type (synth)
-- Predicate_Function (synth)
-- Predicate_Function_M (synth)
-- Root_Type (synth)
-- Size_Clause (synth)
------------------------------------------
-- Applicable attributes by entity kind --
------------------------------------------
-- E_Abstract_State
-- Refinement_Constituents (Elist8)
-- Part_Of_Constituents (Elist9)
-- Encapsulating_State (Node10)
-- Body_References (Elist16)
-- Non_Limited_View (Node17)
-- From_Limited_With (Flag159)
-- Has_Visible_Refinement (Flag263)
-- Has_Non_Null_Refinement (synth)
-- Has_Null_Refinement (synth)
-- Is_External_State (synth)
-- Is_Null_State (synth)
-- E_Access_Protected_Subprogram_Type
-- Equivalent_Type (Node18)
-- Directly_Designated_Type (Node20)
-- Needs_No_Actuals (Flag22)
-- Can_Use_Internal_Rep (Flag229)
-- (plus type attributes)
-- E_Access_Subprogram_Type
-- Equivalent_Type (Node18) (remote types only)
-- Directly_Designated_Type (Node20)
-- Interface_Name (Node21) (JGNAT usage only)
-- Needs_No_Actuals (Flag22)
-- Original_Access_Type (Node28)
-- Can_Use_Internal_Rep (Flag229)
-- (plus type attributes)
-- E_Access_Type
-- E_Access_Subtype
-- Master_Id (Node17)
-- Directly_Designated_Type (Node20)
-- Associated_Storage_Pool (Node22) (base type only)
-- Finalization_Master (Node23) (base type only)
-- Storage_Size_Variable (Node26) (base type only)
-- Has_Pragma_Controlled (Flag27) (base type only)
-- Has_Storage_Size_Clause (Flag23) (base type only)
-- Is_Access_Constant (Flag69)
-- Is_Local_Anonymous_Access (Flag194)
-- Is_Pure_Unit_Access_Type (Flag189)
-- No_Pool_Assigned (Flag131) (base type only)
-- No_Strict_Aliasing (Flag136) (base type only)
-- (plus type attributes)
-- E_Access_Attribute_Type
-- Directly_Designated_Type (Node20)
-- (plus type attributes)
-- E_Allocator_Type
-- Directly_Designated_Type (Node20)
-- (plus type attributes)
-- E_Anonymous_Access_Subprogram_Type
-- E_Anonymous_Access_Protected_Subprogram_Type
-- Directly_Designated_Type (Node20)
-- Storage_Size_Variable (Node26) ??? is this needed ???
-- Can_Use_Internal_Rep (Flag229)
-- (plus type attributes)
-- E_Anonymous_Access_Type
-- Directly_Designated_Type (Node20)
-- Finalization_Master (Node23)
-- Storage_Size_Variable (Node26) ??? is this needed ???
-- (plus type attributes)
-- E_Array_Type
-- E_Array_Subtype
-- First_Index (Node17)
-- Default_Aspect_Component_Value (Node19) (base type only)
-- Component_Type (Node20) (base type only)
-- Original_Array_Type (Node21)
-- Component_Size (Uint22) (base type only)
-- Packed_Array_Impl_Type (Node23)
-- Related_Array_Object (Node25)
-- Component_Alignment (special) (base type only)
-- Has_Component_Size_Clause (Flag68) (base type only)
-- Has_Pragma_Pack (Flag121) (impl base type only)
-- Is_Constrained (Flag12)
-- Reverse_Storage_Order (Flag93) (base type only)
-- SSO_Set_High_By_Default (Flag273) (base type only)
-- SSO_Set_Low_By_Default (Flag272) (base type only)
-- Next_Index (synth)
-- Number_Dimensions (synth)
-- (plus type attributes)
-- E_Block
-- Block_Node (Node11)
-- First_Entity (Node17)
-- Last_Entity (Node20)
-- Scope_Depth_Value (Uint22)
-- Entry_Cancel_Parameter (Node23)
-- Contains_Ignored_Ghost_Code (Flag279)
-- Delay_Cleanups (Flag114)
-- Discard_Names (Flag88)
-- Has_Master_Entity (Flag21)
-- Has_Nested_Block_With_Handler (Flag101)
-- Sec_Stack_Needed_For_Return (Flag167)
-- Uses_Sec_Stack (Flag95)
-- Scope_Depth (synth)
-- E_Class_Wide_Type
-- E_Class_Wide_Subtype
-- Direct_Primitive_Operations (Elist10)
-- Cloned_Subtype (Node16) (subtype case only)
-- First_Entity (Node17)
-- Equivalent_Type (Node18) (always Empty for type)
-- Last_Entity (Node20)
-- SSO_Set_High_By_Default (Flag273) (base type only)
-- SSO_Set_Low_By_Default (Flag272) (base type only)
-- First_Component (synth)
-- First_Component_Or_Discriminant (synth)
-- (plus type attributes)
-- E_Component
-- Normalized_First_Bit (Uint8)
-- Current_Value (Node9) (always Empty)
-- Normalized_Position_Max (Uint10)
-- Component_Bit_Offset (Uint11)
-- Esize (Uint12)
-- Component_Clause (Node13)
-- Normalized_Position (Uint14)
-- DT_Entry_Count (Uint15)
-- Entry_Formal (Node16)
-- Prival (Node17)
-- Renamed_Object (Node18) (always Empty)
-- Discriminant_Checking_Func (Node20)
-- Interface_Name (Node21) (JGNAT usage only)
-- Original_Record_Component (Node22)
-- DT_Offset_To_Top_Func (Node25)
-- Related_Type (Node27)
-- Has_Biased_Representation (Flag139)
-- Has_Per_Object_Constraint (Flag154)
-- Is_Atomic (Flag85)
-- Is_Independent (Flag268)
-- Is_Tag (Flag78)
-- Is_Volatile (Flag16)
-- Treat_As_Volatile (Flag41)
-- Is_Return_Object (Flag209)
-- Next_Component (synth)
-- Next_Component_Or_Discriminant (synth)
-- E_Constant
-- E_Loop_Parameter
-- Current_Value (Node9) (always Empty)
-- Discriminal_Link (Node10)
-- Full_View (Node11)
-- Esize (Uint12)
-- Extra_Accessibility (Node13) (constants only)
-- Alignment (Uint14)
-- Status_Flag_Or_Transient_Decl (Node15) (constants only)
-- Actual_Subtype (Node17)
-- Renamed_Object (Node18)
-- Size_Check_Code (Node19) (constants only)
-- Prival_Link (Node20) (privals only)
-- Interface_Name (Node21) (constants only)
-- Related_Type (Node27) (constants only)
-- Initialization_Statements (Node28)
-- BIP_Initialization_Call (Node29)
-- Last_Aggregate_Assignment (Node30)
-- Activation_Record_Component (Node31)
-- Linker_Section_Pragma (Node33)
-- Has_Alignment_Clause (Flag46)
-- Has_Atomic_Components (Flag86)
-- Has_Biased_Representation (Flag139)
-- Has_Completion (Flag26) (constants only)
-- Has_Independent_Components (Flag34)
-- Has_Size_Clause (Flag29)
-- Has_Thunks (Flag228) (constants only)
-- Has_Uplevel_Reference (Flag215)
-- Has_Volatile_Components (Flag87)
-- Is_Atomic (Flag85)
-- Is_Eliminated (Flag124)
-- Is_Independent (Flag268)
-- Is_Processed_Transient (Flag252) (constants only)
-- Is_Return_Object (Flag209)
-- Is_True_Constant (Flag163)
-- Is_Volatile (Flag16)
-- Stores_Attribute_Old_Prefix (Flag270) (constants only)
-- Optimize_Alignment_Space (Flag241) (constants only)
-- Optimize_Alignment_Time (Flag242) (constants only)
-- Treat_As_Volatile (Flag41)
-- Address_Clause (synth)
-- Alignment_Clause (synth)
-- Size_Clause (synth)
-- E_Decimal_Fixed_Point_Type
-- E_Decimal_Fixed_Subtype
-- Scale_Value (Uint16)
-- Digits_Value (Uint17)
-- Scalar_Range (Node20)
-- Delta_Value (Ureal18)
-- Small_Value (Ureal21)
-- Static_Real_Or_String_Predicate (Node25)
-- Has_Machine_Radix_Clause (Flag83)
-- Machine_Radix_10 (Flag84)
-- Aft_Value (synth)
-- Type_Low_Bound (synth)
-- Type_High_Bound (synth)
-- (plus type attributes)
-- E_Discriminant
-- Normalized_First_Bit (Uint8)
-- Current_Value (Node9) (always Empty)
-- Normalized_Position_Max (Uint10)
-- Component_Bit_Offset (Uint11)
-- Esize (Uint12)
-- Component_Clause (Node13)
-- Normalized_Position (Uint14)
-- Discriminant_Number (Uint15)
-- Discriminal (Node17)
-- Renamed_Object (Node18) (always Empty)
-- Corresponding_Discriminant (Node19)
-- Discriminant_Default_Value (Node20)
-- Interface_Name (Node21) (JGNAT usage only)
-- Original_Record_Component (Node22)
-- CR_Discriminant (Node23)
-- Is_Return_Object (Flag209)
-- Next_Component_Or_Discriminant (synth)
-- Next_Discriminant (synth)
-- Next_Stored_Discriminant (synth)
-- E_Entry
-- E_Entry_Family
-- Protected_Body_Subprogram (Node11)
-- Barrier_Function (Node12)
-- Postconditions_Proc (Node14)
-- Entry_Parameters_Type (Node15)
-- First_Entity (Node17)
-- Alias (Node18) (for entry only. Empty)
-- Last_Entity (Node20)
-- Accept_Address (Elist21)
-- Scope_Depth_Value (Uint22)
-- Protection_Object (Node23) (protected kind)
-- PPC_Wrapper (Node25)
-- Extra_Formals (Node28)
-- Contract (Node34)
-- Needs_No_Actuals (Flag22)
-- Uses_Sec_Stack (Flag95)
-- Default_Expressions_Processed (Flag108)
-- Entry_Accepted (Flag152)
-- Sec_Stack_Needed_For_Return (Flag167)
-- Has_Expanded_Contract (Flag240)
-- Address_Clause (synth)
-- Entry_Index_Type (synth)
-- First_Formal (synth)
-- First_Formal_With_Extras (synth)
-- Last_Formal (synth)
-- Number_Formals (synth)
-- Scope_Depth (synth)
-- E_Entry_Index_Parameter
-- Entry_Index_Constant (Node18)
-- E_Enumeration_Literal
-- Enumeration_Pos (Uint11)
-- Enumeration_Rep (Uint12)
-- Alias (Node18)
-- Enumeration_Rep_Expr (Node22)
-- Next_Literal (synth)
-- E_Enumeration_Type
-- E_Enumeration_Subtype
-- Lit_Strings (Node16) (root type only)
-- First_Literal (Node17)
-- Lit_Indexes (Node18) (root type only)
-- Default_Aspect_Value (Node19) (base type only)
-- Scalar_Range (Node20)
-- Enum_Pos_To_Rep (Node23) (type only)
-- Static_Discrete_Predicate (List25)
-- Has_Biased_Representation (Flag139)
-- Has_Contiguous_Rep (Flag181)
-- Has_Enumeration_Rep_Clause (Flag66)
-- Has_Pragma_Ordered (Flag198) (base type only)
-- Nonzero_Is_True (Flag162) (base type only)
-- No_Predicate_On_Actual (Flag275)
-- No_Dynamic_Predicate_On_Actual (Flag276)
-- Type_Low_Bound (synth)
-- Type_High_Bound (synth)
-- (plus type attributes)
-- E_Exception
-- Esize (Uint12)
-- Alignment (Uint14)
-- Renamed_Entity (Node18)
-- Register_Exception_Call (Node20)
-- Interface_Name (Node21)
-- Discard_Names (Flag88)
-- Is_Raised (Flag224)
-- E_Exception_Type
-- Equivalent_Type (Node18)
-- (plus type attributes)
-- E_Floating_Point_Type
-- E_Floating_Point_Subtype
-- Digits_Value (Uint17)
-- Float_Rep (Uint10) (Float_Rep_Kind)
-- Default_Aspect_Value (Node19) (base type only)
-- Scalar_Range (Node20)
-- Static_Real_Or_String_Predicate (Node25)
-- Machine_Emax_Value (synth)
-- Machine_Emin_Value (synth)
-- Machine_Mantissa_Value (synth)
-- Machine_Radix_Value (synth)
-- Model_Emin_Value (synth)
-- Model_Epsilon_Value (synth)
-- Model_Mantissa_Value (synth)
-- Model_Small_Value (synth)
-- Safe_Emax_Value (synth)
-- Safe_First_Value (synth)
-- Safe_Last_Value (synth)
-- Type_Low_Bound (synth)
-- Type_High_Bound (synth)
-- (plus type attributes)
-- E_Function
-- E_Generic_Function
-- Mechanism (Uint8) (Mechanism_Type)
-- Renaming_Map (Uint9)
-- Handler_Records (List10) (non-generic case only)
-- Protected_Body_Subprogram (Node11)
-- Next_Inlined_Subprogram (Node12)
-- Elaboration_Entity (Node13) (not implicit /=)
-- Postconditions_Proc (Node14) (non-generic case only)
-- DT_Position (Uint15)
-- DTC_Entity (Node16)
-- First_Entity (Node17)
-- Alias (Node18) (non-generic case only)
-- Renamed_Entity (Node18) (generic case only)
-- Extra_Accessibility_Of_Result (Node19) (non-generic case only)
-- Last_Entity (Node20)
-- Interface_Name (Node21)
-- Scope_Depth_Value (Uint22)
-- Generic_Renamings (Elist23) (for an instance)
-- Inner_Instances (Elist23) (generic case only)
-- Protection_Object (Node23) (for concurrent kind)
-- Uplevel_References (Elist24) (non-generic case only)
-- Subps_Index (Uint24) (non-generic case only)
-- Interface_Alias (Node25)
-- Overridden_Operation (Node26)
-- Wrapped_Entity (Node27) (non-generic case only)
-- Extra_Formals (Node28)
-- Subprograms_For_Type (Node29)
-- Corresponding_Equality (Node30) (implicit /= only)
-- Thunk_Entity (Node31) (thunk case only)
-- SPARK_Pragma (Node32)
-- Linker_Section_Pragma (Node33)
-- Contract (Node34)
-- Import_Pragma (Node35) (non-generic case only)
-- Body_Needed_For_SAL (Flag40)
-- Contains_Ignored_Ghost_Code (Flag279)
-- Default_Expressions_Processed (Flag108)
-- Delay_Cleanups (Flag114)
-- Delay_Subprogram_Descriptors (Flag50)
-- Discard_Names (Flag88)
-- Elaboration_Entity_Required (Flag174)
-- Has_Anonymous_Master (Flag253)
-- Has_Completion (Flag26)
-- Has_Controlling_Result (Flag98)
-- Has_Expanded_Contract (Flag240) (non-generic case only)
-- Has_Invariants (Flag232)
-- Has_Master_Entity (Flag21)
-- Has_Missing_Return (Flag142)
-- Has_Nested_Block_With_Handler (Flag101)
-- Has_Nested_Subprogram (Flag282)
-- Has_Out_Or_In_Out_Parameter (Flag110)
-- Has_Recursive_Call (Flag143)
-- Is_Abstract_Subprogram (Flag19) (non-generic case only)
-- Is_Called (Flag102) (non-generic case only)
-- Is_Constructor (Flag76)
-- Is_Discrim_SO_Function (Flag176)
-- Is_Discriminant_Check_Function (Flag264)
-- Is_Eliminated (Flag124)
-- Is_Generic_Actual_Subprogram (Flag274) (non-generic case only)
-- Is_Hidden_Non_Overridden_Subpgm (Flag2) (non-generic case only)
-- Is_Inlined_Always (Flag1) (non-generic case only)
-- Is_Instantiated (Flag126) (generic case only)
-- Is_Intrinsic_Subprogram (Flag64)
-- Is_Invariant_Procedure (Flag257) (non-generic case only)
-- Is_Machine_Code_Subprogram (Flag137) (non-generic case only)
-- Is_Predicate_Function (Flag255) (non-generic case only)
-- Is_Predicate_Function_M (Flag256) (non-generic case only)
-- Is_Primitive (Flag218)
-- Is_Primitive_Wrapper (Flag195) (non-generic case only)
-- Is_Private_Descendant (Flag53)
-- Is_Private_Primitive (Flag245) (non-generic case only)
-- Is_Pure (Flag44)
-- Is_Visible_Lib_Unit (Flag116)
-- Needs_No_Actuals (Flag22)
-- Requires_Overriding (Flag213) (non-generic case only)
-- Return_Present (Flag54)
-- Returns_By_Ref (Flag90)
-- Returns_Limited_View (Flag134) (non-generic case only)
-- Sec_Stack_Needed_For_Return (Flag167)
-- SPARK_Pragma_Inherited (Flag265)
-- Uses_Sec_Stack (Flag95)
-- Address_Clause (synth)
-- First_Formal (synth)
-- First_Formal_With_Extras (synth)
-- Last_Formal (synth)
-- Number_Formals (synth)
-- Scope_Depth (synth)
-- E_General_Access_Type
-- Master_Id (Node17)
-- Directly_Designated_Type (Node20)
-- Associated_Storage_Pool (Node22) (root type only)
-- Finalization_Master (Node23) (root type only)
-- Storage_Size_Variable (Node26) (base type only)
-- (plus type attributes)
-- E_Generic_In_Parameter
-- E_Generic_In_Out_Parameter
-- Current_Value (Node9) (always Empty)
-- Entry_Component (Node11)
-- Actual_Subtype (Node17)
-- Renamed_Object (Node18) (always Empty)
-- Default_Value (Node20)
-- Protected_Formal (Node22)
-- Is_Controlling_Formal (Flag97)
-- Is_Return_Object (Flag209)
-- Parameter_Mode (synth)
-- E_Incomplete_Type
-- E_Incomplete_Subtype
-- Direct_Primitive_Operations (Elist10)
-- Non_Limited_View (Node17)
-- Private_Dependents (Elist18)
-- Discriminant_Constraint (Elist21)
-- Stored_Constraint (Elist23)
-- (plus type attributes)
-- E_In_Parameter
-- E_In_Out_Parameter
-- E_Out_Parameter
-- Mechanism (Uint8) (Mechanism_Type)
-- Current_Value (Node9)
-- Discriminal_Link (Node10) (discriminals only)
-- Entry_Component (Node11)
-- Esize (Uint12)
-- Extra_Accessibility (Node13)
-- Alignment (Uint14)
-- Extra_Formal (Node15)
-- Unset_Reference (Node16)
-- Actual_Subtype (Node17)
-- Renamed_Object (Node18)
-- Spec_Entity (Node19)
-- Default_Value (Node20)
-- Default_Expr_Function (Node21)
-- Protected_Formal (Node22)
-- Extra_Constrained (Node23)
-- Last_Assignment (Node26) (OUT, IN-OUT only)
-- Activation_Record_Component (Node31)
-- Has_Initial_Value (Flag219)
-- Is_Controlling_Formal (Flag97)
-- Is_Only_Out_Parameter (Flag226)
-- Low_Bound_Tested (Flag205)
-- Is_Return_Object (Flag209)
-- Parameter_Mode (synth)
-- E_Label
-- Enclosing_Scope (Node18)
-- Reachable (Flag49)
-- E_Limited_Private_Type
-- E_Limited_Private_Subtype
-- First_Entity (Node17)
-- Private_Dependents (Elist18)
-- Underlying_Full_View (Node19)
-- Last_Entity (Node20)
-- Discriminant_Constraint (Elist21)
-- Private_View (Node22)
-- Stored_Constraint (Elist23)
-- Has_Completion (Flag26)
-- (plus type attributes)
-- E_Loop
-- First_Exit_Statement (Node8)
-- Has_Exit (Flag47)
-- Has_Loop_Entry_Attributes (Flag260)
-- Has_Master_Entity (Flag21)
-- Has_Nested_Block_With_Handler (Flag101)
-- Uses_Sec_Stack (Flag95)
-- E_Modular_Integer_Type
-- E_Modular_Integer_Subtype
-- Modulus (Uint17) (base type only)
-- Default_Aspect_Value (Node19) (base type only)
-- Original_Array_Type (Node21)
-- Scalar_Range (Node20)
-- Static_Discrete_Predicate (List25)
-- Non_Binary_Modulus (Flag58) (base type only)
-- Has_Biased_Representation (Flag139)
-- Has_Shift_Operator (Flag267) (base type only)
-- No_Predicate_On_Actual (Flag275)
-- No_Dynamic_Predicate_On_Actual (Flag276)
-- Type_Low_Bound (synth)
-- Type_High_Bound (synth)
-- (plus type attributes)
-- E_Named_Integer
-- E_Named_Real
-- E_Operator
-- First_Entity (Node17)
-- Alias (Node18)
-- Extra_Accessibility_Of_Result (Node19)
-- Last_Entity (Node20)
-- Has_Nested_Subprogram (Flag282)
-- Uplevel_References (Elist24)
-- Subps_Index (Uint24)
-- Overridden_Operation (Node26)
-- Subprograms_For_Type (Node29)
-- Linker_Section_Pragma (Node33)
-- Contract (Node34)
-- Import_Pragma (Node35)
-- Has_Invariants (Flag232)
-- Is_Machine_Code_Subprogram (Flag137)
-- Is_Pure (Flag44)
-- Is_Intrinsic_Subprogram (Flag64)
-- Is_Primitive (Flag218)
-- Default_Expressions_Processed (Flag108)
-- Aren't there more flags and fields? seems like this list should be
-- more similar to the E_Function list, which is much longer ???
-- E_Ordinary_Fixed_Point_Type
-- E_Ordinary_Fixed_Point_Subtype
-- Delta_Value (Ureal18)
-- Default_Aspect_Value (Node19) (base type only)
-- Scalar_Range (Node20)
-- Static_Real_Or_String_Predicate (Node25)
-- Small_Value (Ureal21)
-- Has_Small_Clause (Flag67)
-- Aft_Value (synth)
-- Type_Low_Bound (synth)
-- Type_High_Bound (synth)
-- (plus type attributes)
-- E_Package
-- E_Generic_Package
-- Dependent_Instances (Elist8) (for an instance)
-- Renaming_Map (Uint9)
-- Handler_Records (List10) (non-generic case only)
-- Generic_Homonym (Node11) (generic case only)
-- Associated_Formal_Package (Node12)
-- Elaboration_Entity (Node13)
-- Shadow_Entities (List14)
-- Related_Instance (Node15) (non-generic case only)
-- First_Private_Entity (Node16)
-- First_Entity (Node17)
-- Renamed_Entity (Node18)
-- Body_Entity (Node19)
-- Last_Entity (Node20)
-- Interface_Name (Node21)
-- Scope_Depth_Value (Uint22)
-- Generic_Renamings (Elist23) (for an instance)
-- Inner_Instances (Elist23) (generic case only)
-- Limited_View (Node23) (non-generic/instance)
-- Abstract_States (Elist25)
-- Package_Instantiation (Node26)
-- Current_Use_Clause (Node27)
-- Finalizer (Node28) (non-generic case only)
-- SPARK_Aux_Pragma (Node33)
-- SPARK_Pragma (Node32)
-- Contract (Node34)
-- Delay_Subprogram_Descriptors (Flag50)
-- Body_Needed_For_SAL (Flag40)
-- Contains_Ignored_Ghost_Code (Flag279)
-- Discard_Names (Flag88)
-- Elaboration_Entity_Required (Flag174)
-- Elaborate_Body_Desirable (Flag210) (non-generic case only)
-- From_Limited_With (Flag159)
-- Has_All_Calls_Remote (Flag79)
-- Has_Anonymous_Master (Flag253)
-- Has_Completion (Flag26)
-- Has_Forward_Instantiation (Flag175)
-- Has_Master_Entity (Flag21)
-- Has_RACW (Flag214) (non-generic case only)
-- In_Package_Body (Flag48)
-- In_Use (Flag8)
-- Is_Instantiated (Flag126)
-- Is_Private_Descendant (Flag53)
-- Is_Visible_Lib_Unit (Flag116)
-- Renamed_In_Spec (Flag231) (non-generic case only)
-- SPARK_Aux_Pragma_Inherited (Flag266)
-- SPARK_Pragma_Inherited (Flag265)
-- Static_Elaboration_Desired (Flag77) (non-generic case only)
-- Has_Null_Abstract_State (synth)
-- Is_Wrapper_Package (synth) (non-generic case only)
-- Scope_Depth (synth)
-- E_Package_Body
-- Handler_Records (List10) (non-generic case only)
-- Related_Instance (Node15) (non-generic case only)
-- First_Entity (Node17)
-- Spec_Entity (Node19)
-- Last_Entity (Node20)
-- Scope_Depth_Value (Uint22)
-- Finalizer (Node28) (non-generic case only)
-- SPARK_Aux_Pragma (Node33)
-- SPARK_Pragma (Node32)
-- Contract (Node34)
-- Contains_Ignored_Ghost_Code (Flag279)
-- Delay_Subprogram_Descriptors (Flag50)
-- Has_Anonymous_Master (Flag253)
-- SPARK_Aux_Pragma_Inherited (Flag266)
-- SPARK_Pragma_Inherited (Flag265)
-- Scope_Depth (synth)
-- E_Private_Type
-- E_Private_Subtype
-- Direct_Primitive_Operations (Elist10)
-- First_Entity (Node17)
-- Private_Dependents (Elist18)
-- Underlying_Full_View (Node19)
-- Last_Entity (Node20)
-- Discriminant_Constraint (Elist21)
-- Private_View (Node22)
-- Stored_Constraint (Elist23)
-- Has_Completion (Flag26)
-- Is_Controlled (Flag42) (base type only)
-- Is_For_Access_Subtype (Flag118) (subtype only)
-- (plus type attributes)
-- E_Procedure
-- E_Generic_Procedure
-- Renaming_Map (Uint9)
-- Handler_Records (List10) (non-generic case only)
-- Protected_Body_Subprogram (Node11)
-- Next_Inlined_Subprogram (Node12)
-- Elaboration_Entity (Node13)
-- Postconditions_Proc (Node14) (non-generic case only)
-- DT_Position (Uint15)
-- DTC_Entity (Node16)
-- First_Entity (Node17)
-- Alias (Node18) (non-generic case only)
-- Renamed_Entity (Node18) (generic case only)
-- Last_Entity (Node20)
-- Interface_Name (Node21)
-- Scope_Depth_Value (Uint22)
-- Generic_Renamings (Elist23) (for an instance)
-- Inner_Instances (Elist23) (generic case only)
-- Protection_Object (Node23) (for concurrent kind)
-- Uplevel_References (Elist24) (non-generic case only)
-- Subps_Index (Uint24) (non-generic case only)
-- Interface_Alias (Node25)
-- Overridden_Operation (Node26) (never for init proc)
-- Wrapped_Entity (Node27) (non-generic case only)
-- Extra_Formals (Node28)
-- Static_Initialization (Node30) (init_proc only)
-- Thunk_Entity (Node31) (thunk case only)
-- SPARK_Pragma (Node32)
-- Linker_Section_Pragma (Node33)
-- Contract (Node34)
-- Import_Pragma (Node35) (non-generic case only)
-- Body_Needed_For_SAL (Flag40)
-- Contains_Ignored_Ghost_Code (Flag279)
-- Delay_Cleanups (Flag114)
-- Discard_Names (Flag88)
-- Elaboration_Entity_Required (Flag174)
-- Default_Expressions_Processed (Flag108)
-- Delay_Cleanups (Flag114)
-- Delay_Subprogram_Descriptors (Flag50)
-- Discard_Names (Flag88)
-- Has_Anonymous_Master (Flag253)
-- Has_Completion (Flag26)
-- Has_Expanded_Contract (Flag240) (non-generic case only)
-- Has_Invariants (Flag232)
-- Has_Master_Entity (Flag21)
-- Has_Nested_Block_With_Handler (Flag101)
-- Has_Nested_Subprogram (Flag282)
-- Is_Abstract_Subprogram (Flag19) (non-generic case only)
-- Is_Asynchronous (Flag81)
-- Is_Called (Flag102) (non-generic case only)
-- Is_Constructor (Flag76)
-- Is_Default_Init_Cond_Procedure (Flag132) (non-generic case only)
-- Is_Eliminated (Flag124)
-- Is_Generic_Actual_Subprogram (Flag274) (non-generic case only)
-- Is_Hidden_Non_Overridden_Subpgm (Flag2) (non-generic case only)
-- Is_Inlined_Always (Flag1) (non-generic case only)
-- Is_Instantiated (Flag126) (generic case only)
-- Is_Interrupt_Handler (Flag89)
-- Is_Intrinsic_Subprogram (Flag64)
-- Is_Invariant_Procedure (Flag257) (non-generic case only)
-- Is_Machine_Code_Subprogram (Flag137) (non-generic case only)
-- Is_Null_Init_Proc (Flag178)
-- Is_Predicate_Function (Flag255) (non-generic case only)
-- Is_Predicate_Function_M (Flag256) (non-generic case only)
-- Is_Primitive (Flag218)
-- Is_Primitive_Wrapper (Flag195) (non-generic case only)
-- Is_Private_Descendant (Flag53)
-- Is_Private_Primitive (Flag245) (non-generic case only)
-- Is_Pure (Flag44)
-- Is_Valued_Procedure (Flag127)
-- Is_Visible_Lib_Unit (Flag116)
-- Needs_No_Actuals (Flag22)
-- No_Return (Flag113)
-- Requires_Overriding (Flag213) (non-generic case only)
-- Sec_Stack_Needed_For_Return (Flag167)
-- SPARK_Pragma_Inherited (Flag265)
-- Address_Clause (synth)
-- First_Formal (synth)
-- First_Formal_With_Extras (synth)
-- Is_Finalizer (synth)
-- Last_Formal (synth)
-- Number_Formals (synth)
-- E_Protected_Body
-- (any others??? First/Last Entity, Scope_Depth???)
-- E_Protected_Object
-- E_Protected_Type
-- E_Protected_Subtype
-- Direct_Primitive_Operations (Elist10)
-- First_Private_Entity (Node16)
-- First_Entity (Node17)
-- Corresponding_Record_Type (Node18)
-- Entry_Bodies_Array (Node19)
-- Last_Entity (Node20)
-- Discriminant_Constraint (Elist21)
-- Scope_Depth_Value (Uint22)
-- Scope_Depth (synth)
-- Stored_Constraint (Elist23)
-- Has_Interrupt_Handler (synth)
-- Sec_Stack_Needed_For_Return (Flag167) ???
-- Uses_Lock_Free (Flag188)
-- Uses_Sec_Stack (Flag95) ???
-- Has_Entries (synth)
-- Number_Entries (synth)
-- E_Record_Type
-- E_Record_Subtype
-- Direct_Primitive_Operations (Elist10)
-- Access_Disp_Table (Elist16) (base type only)
-- Cloned_Subtype (Node16) (subtype case only)
-- First_Entity (Node17)
-- Corresponding_Concurrent_Type (Node18)
-- Parent_Subtype (Node19) (base type only)
-- Last_Entity (Node20)
-- Discriminant_Constraint (Elist21)
-- Corresponding_Remote_Type (Node22)
-- Stored_Constraint (Elist23)
-- Interfaces (Elist25)
-- Dispatch_Table_Wrappers (Elist26) (base type only)
-- Underlying_Record_View (Node28) (base type only)
-- Component_Alignment (special) (base type only)
-- C_Pass_By_Copy (Flag125) (base type only)
-- Has_Dispatch_Table (Flag220) (base tagged type only)
-- Has_Pragma_Pack (Flag121) (impl base type only)
-- Has_Private_Ancestor (Flag151)
-- Has_Record_Rep_Clause (Flag65) (base type only)
-- Has_Static_Discriminants (Flag211) (subtype only)
-- Is_Class_Wide_Equivalent_Type (Flag35)
-- Is_Concurrent_Record_Type (Flag20)
-- Is_Constrained (Flag12)
-- Is_Controlled (Flag42) (base type only)
-- Is_Interface (Flag186)
-- Is_Limited_Interface (Flag197)
-- OK_To_Reorder_Components (Flag239) (base type only)
-- Reverse_Bit_Order (Flag164) (base type only)
-- Reverse_Storage_Order (Flag93) (base type only)
-- SSO_Set_High_By_Default (Flag273) (base type only)
-- SSO_Set_Low_By_Default (Flag272) (base type only)
-- First_Component (synth)
-- First_Component_Or_Discriminant (synth)
-- (plus type attributes)
-- E_Record_Type_With_Private
-- E_Record_Subtype_With_Private
-- Direct_Primitive_Operations (Elist10)
-- First_Entity (Node17)
-- Private_Dependents (Elist18)
-- Underlying_Full_View (Node19)
-- Last_Entity (Node20)
-- Discriminant_Constraint (Elist21)
-- Private_View (Node22)
-- Stored_Constraint (Elist23)
-- Interfaces (Elist25)
-- Has_Completion (Flag26)
-- Has_Private_Ancestor (Flag151)
-- Has_Record_Rep_Clause (Flag65) (base type only)
-- Is_Concurrent_Record_Type (Flag20)
-- Is_Constrained (Flag12)
-- Is_Controlled (Flag42) (base type only)
-- Is_Interface (Flag186)
-- Is_Limited_Interface (Flag197)
-- OK_To_Reorder_Components (Flag239) (base type only)
-- Reverse_Bit_Order (Flag164) (base type only)
-- Reverse_Storage_Order (Flag93) (base type only)
-- SSO_Set_High_By_Default (Flag273) (base type only)
-- SSO_Set_Low_By_Default (Flag272) (base type only)
-- First_Component (synth)
-- First_Component_Or_Discriminant (synth)
-- (plus type attributes)
-- E_Return_Statement
-- Return_Applies_To (Node8)
-- E_Signed_Integer_Type
-- E_Signed_Integer_Subtype
-- Default_Aspect_Value (Node19) (base type only)
-- Scalar_Range (Node20)
-- Static_Discrete_Predicate (List25)
-- Has_Biased_Representation (Flag139)
-- Has_Shift_Operator (Flag267) (base type only)
-- No_Predicate_On_Actual (Flag275)
-- No_Dynamic_Predicate_On_Actual (Flag276)
-- Type_Low_Bound (synth)
-- Type_High_Bound (synth)
-- (plus type attributes)
-- E_String_Literal_Subtype
-- String_Literal_Length (Uint16)
-- First_Index (Node17) (always Empty)
-- String_Literal_Low_Bound (Node18)
-- Packed_Array_Impl_Type (Node23)
-- (plus type attributes)
-- E_Subprogram_Body
-- Mechanism (Uint8)
-- First_Entity (Node17)
-- Corresponding_Protected_Entry (Node18)
-- Last_Entity (Node20)
-- Scope_Depth_Value (Uint22)
-- Extra_Formals (Node28)
-- SPARK_Pragma (Node32)
-- Contract (Node34)
-- Contains_Ignored_Ghost_Code (Flag279)
-- SPARK_Pragma_Inherited (Flag265)
-- Scope_Depth (synth)
-- E_Subprogram_Type
-- Extra_Accessibility_Of_Result (Node19)
-- Directly_Designated_Type (Node20)
-- Extra_Formals (Node28)
-- First_Formal (synth)
-- First_Formal_With_Extras (synth)
-- Last_Formal (synth)
-- Number_Formals (synth)
-- (plus type attributes)
-- E_Task_Body
-- (any others??? First/Last Entity, Scope_Depth???)
-- E_Task_Type
-- E_Task_Subtype
-- Direct_Primitive_Operations (Elist10)
-- First_Private_Entity (Node16)
-- First_Entity (Node17)
-- Corresponding_Record_Type (Node18)
-- Last_Entity (Node20)
-- Discriminant_Constraint (Elist21)
-- Scope_Depth_Value (Uint22)
-- Scope_Depth (synth)
-- Stored_Constraint (Elist23)
-- Task_Body_Procedure (Node25)
-- Storage_Size_Variable (Node26) (base type only)
-- Relative_Deadline_Variable (Node28) (base type only)
-- Delay_Cleanups (Flag114)
-- Has_Master_Entity (Flag21)
-- Has_Storage_Size_Clause (Flag23) (base type only)
-- Uses_Sec_Stack (Flag95) ???
-- Sec_Stack_Needed_For_Return (Flag167) ???
-- Has_Entries (synth)
-- Number_Entries (synth)
-- (plus type attributes)
-- E_Variable
-- Hiding_Loop_Variable (Node8)
-- Current_Value (Node9)
-- Encapsulating_State (Node10)
-- Esize (Uint12)
-- Extra_Accessibility (Node13)
-- Alignment (Uint14)
-- Status_Flag_Or_Transient_Decl (Node15) (transient object only)
-- Unset_Reference (Node16)
-- Actual_Subtype (Node17)
-- Renamed_Object (Node18)
-- Size_Check_Code (Node19)
-- Prival_Link (Node20)
-- Interface_Name (Node21)
-- Shared_Var_Procs_Instance (Node22)
-- Extra_Constrained (Node23)
-- Related_Expression (Node24)
-- Debug_Renaming_Link (Node25)
-- Last_Assignment (Node26)
-- Related_Type (Node27)
-- Initialization_Statements (Node28)
-- BIP_Initialization_Call (Node29)
-- Last_Aggregate_Assignment (Node30)
-- Activation_Record_Component (Node31)
-- Linker_Section_Pragma (Node33)
-- Contract (Node34)
-- Has_Alignment_Clause (Flag46)
-- Has_Atomic_Components (Flag86)
-- Has_Biased_Representation (Flag139)
-- Has_Independent_Components (Flag34)
-- Has_Initial_Value (Flag219)
-- Has_Size_Clause (Flag29)
-- Has_Uplevel_Reference (Flag215)
-- Has_Volatile_Components (Flag87)
-- Is_Atomic (Flag85)
-- Is_Eliminated (Flag124)
-- Is_Independent (Flag268)
-- Is_Processed_Transient (Flag252)
-- Is_Safe_To_Reevaluate (Flag249)
-- Is_Shared_Passive (Flag60)
-- Is_True_Constant (Flag163)
-- Is_Volatile (Flag16)
-- Is_Return_Object (Flag209)
-- OK_To_Rename (Flag247)
-- Optimize_Alignment_Space (Flag241)
-- Optimize_Alignment_Time (Flag242)
-- Suppress_Initialization (Flag105)
-- Treat_As_Volatile (Flag41)
-- Address_Clause (synth)
-- Alignment_Clause (synth)
-- Size_Clause (synth)
-- E_Void
-- Since E_Void is the initial Ekind value of an entity when it is first
-- created, one might expect that no attributes would be defined on such
-- an entity until its Ekind field is set. However, in practice, there
-- are many instances in which fields of an E_Void entity are set in the
-- code prior to setting the Ekind field. This is not well documented or
-- well controlled, and needs cleaning up later. Meanwhile, the access
-- procedures in the body of Einfo permit many, but not all, attributes
-- to be applied to an E_Void entity, precisely so that this kind of
-- pre-setting of attributes works. This is really a hole in the dynamic
-- type checking, since there is no assurance that the eventual Ekind
-- value will be appropriate for the attributes set, and the consequence
-- is that the dynamic type checking in the Einfo body is unnecessarily
-- weak. To be looked at systematically some time ???
---------------------------------
-- Component_Alignment Control --
---------------------------------
-- There are four types of alignment possible for array and record
-- types, and a field in the type entities contains a value of the
-- following type indicating which alignment choice applies. For full
-- details of the meaning of these alignment types, see description
-- of the Component_Alignment pragma
type Component_Alignment_Kind is (
Calign_Default, -- default alignment
Calign_Component_Size, -- natural alignment for component size
Calign_Component_Size_4, -- natural for size <= 4, 4 for size >= 4
Calign_Storage_Unit); -- all components byte aligned
-----------------------------------
-- Floating Point Representation --
-----------------------------------
type Float_Rep_Kind is (
IEEE_Binary, -- IEEE 754p conforming binary format
AAMP); -- AAMP format
---------------
-- Iterators --
---------------
-- In addition to attributes that are stored as plain data, other
-- attributes are procedural, and require some small amount of
-- computation. Of course, from the point of view of a user of this
-- package, the distinction is not visible (even the field information
-- provided below should be disregarded, as it is subject to change
-- without notice). A number of attributes appear as lists: lists of
-- formals, lists of actuals, of discriminants, etc. For these, pairs
-- of functions are defined, which take the form:
-- function First_Thing (E : Enclosing_Construct) return Thing;
-- function Next_Thing (T : Thing) return Thing;
-- The end of iteration is always signaled by a value of Empty, so that
-- loops over these chains invariably have the form:
-- This : Thing;
-- ...
-- This := First_Thing (E);
-- while Present (This) loop
-- Do_Something_With (This);
-- ...
-- This := Next_Thing (This);
-- end loop;
-----------------------------------
-- Handling of Check Suppression --
-----------------------------------
-- There are three ways that checks can be suppressed:
-- 1. At the command line level
-- 2. At the scope level.
-- 3. At the entity level.
-- See spec of Sem in sem.ads for details of the data structures used
-- to keep track of these various methods for suppressing checks.
-------------------------------
-- Handling of Discriminants --
-------------------------------
-- During semantic processing, discriminants are separate entities which
-- reflect the semantic properties and allowed usage of discriminants in
-- the language.
-- In the case of discriminants used as bounds, the references are handled
-- directly, since special processing is needed in any case. However, there
-- are two circumstances in which discriminants are referenced in a quite
-- general manner, like any other variables:
-- In initialization expressions for records. Note that the expressions
-- used in Priority, Storage_Size, Task_Info and Relative_Deadline
-- pragmas are effectively in this category, since these pragmas are
-- converted to initialized record fields in the Corresponding_Record_
-- Type.
-- In task and protected bodies, where the discriminant values may be
-- referenced freely within these bodies. Discriminants can also appear
-- in bounds of entry families and in defaults of operations.
-- In both these cases, the discriminants must be treated essentially as
-- objects. The following approach is used to simplify and minimize the
-- special processing that is required.
-- When a record type with discriminants is analyzed, semantic processing
-- creates the entities for the discriminants. It also creates additional
-- sets of entities called discriminals, one for each of the discriminants,
-- and the Discriminal field of the discriminant entity points to this
-- additional entity, which is initially created as an uninitialized
-- (E_Void) entity.
-- During expansion of expressions, any discriminant reference is replaced
-- by a reference to the corresponding discriminal. When the initialization
-- procedure for the record is created (there will always be one, since
-- discriminants are present, see Exp_Ch3 for further details), the
-- discriminals are used as the entities for the formal parameters of
-- this initialization procedure. The references to these discriminants
-- have already been replaced by references to these discriminals, which
-- are now the formal parameters corresponding to the required objects.
-- In the case of a task or protected body, the semantics similarly creates
-- a set of discriminals for the discriminants of the task or protected
-- type. When the procedure is created for the task body, the parameter
-- passed in is a reference to the task value type, which contains the
-- required discriminant values. The expander creates a set of declarations
-- of the form:
-- discr_nameD : constant discr_type renames _task.discr_name;
-- where discr_nameD is the discriminal entity referenced by the task
-- discriminant, and _task is the task value passed in as the parameter.
-- Again, any references to discriminants in the task body have been
-- replaced by the discriminal reference, which is now an object that
-- contains the required value.
-- This approach for tasks means that two sets of discriminals are needed
-- for a task type, one for the initialization procedure, and one for the
-- task body. This works out nicely, since the semantics allocates one set
-- for the task itself, and one set for the corresponding record.
-- The one bit of trickiness arises in making sure that the right set of
-- discriminals is used at the right time. First the task definition is
-- processed. Any references to discriminants here are replaced by the
-- corresponding *task* discriminals (the record type doesn't even exist
-- yet, since it is constructed as part of the expansion of the task
-- declaration, which happens after the semantic processing of the task
-- definition). The discriminants to be used for the corresponding record
-- are created at the same time as the other discriminals, and held in the
-- CR_Discriminant field of the discriminant. A use of the discriminant in
-- a bound for an entry family is replaced with the CR_Discriminant because
-- it controls the bound of the entry queue array which is a component of
-- the corresponding record.
-- Just before the record initialization routine is constructed, the
-- expander exchanges the task and record discriminals. This has two
-- effects. First the generation of the record initialization routine
-- uses the discriminals that are now on the record, which is the set
-- that used to be on the task, which is what we want.
-- Second, a new set of (so far unused) discriminals is now on the task
-- discriminants, and it is this set that will be used for expanding the
-- task body, and also for the discriminal declarations at the start of
-- the task body.
---------------------------------------------------
-- Handling of private data in protected objects --
---------------------------------------------------
-- Private components in protected types pose problems similar to those
-- of discriminants. Private data is visible and can be directly referenced
-- from protected bodies. However, when protected entries and subprograms
-- are expanded into corresponding bodies and barrier functions, private
-- components lose their original context and visibility.
-- To remedy this side effect of expansion, private components are expanded
-- into renamings called "privals", by analogy with "discriminals".
-- private_comp : comp_type renames _object.private_comp;
-- Prival declarations are inserted during the analysis of subprogram and
-- entry bodies to ensure proper visibility for any subsequent expansion.
-- _Object is the formal parameter of the generated corresponding body or
-- a local renaming which denotes the protected object obtained from entry
-- parameter _O. Privals receive minimal decoration upon creation and are
-- categorized as either E_Variable for the general case or E_Constant when
-- they appear in functions.
-- Along with the local declarations, each private component carries a
-- placeholder which references the prival entity in the current body. This
-- form of indirection is used to resolve name clashes of privals and other
-- locally visible entities such as parameters, local objects, entry family
-- indexes or identifiers used in the barrier condition.
-- When analyzing the statements of a protected subprogram or entry, any
-- reference to a private component must resolve to the locally declared
-- prival through normal visibility. In case of name conflicts (the cases
-- above), the prival is marked as hidden and acts as a weakly declared
-- entity. As a result, the reference points to the correct entity. When a
-- private component is denoted by an expanded name (prot_type.comp for
-- example), the expansion mechanism uses the placeholder of the component
-- to correct the Entity and Etype of the reference.
-------------------
-- Type Synonyms --
-------------------
-- The following type synonyms are used to tidy up the function and
-- procedure declarations that follow, and also to make it possible to meet
-- the requirement for the XEINFO utility that all function specs must fit
-- on a single source line.
subtype B is Boolean;
subtype C is Component_Alignment_Kind;
subtype E is Entity_Id;
subtype F is Float_Rep_Kind;
subtype M is Mechanism_Type;
subtype N is Node_Id;
subtype U is Uint;
subtype R is Ureal;
subtype L is Elist_Id;
subtype S is List_Id;
--------------------------------
-- Attribute Access Functions --
--------------------------------
-- All attributes are manipulated through a procedural interface. This
-- section contains the functions used to obtain attribute values which
-- correspond to values in fields or flags in the entity itself.
function Abstract_States (Id : E) return L;
function Accept_Address (Id : E) return L;
function Access_Disp_Table (Id : E) return L;
function Activation_Record_Component (Id : E) return E;
function Actual_Subtype (Id : E) return E;
function Address_Taken (Id : E) return B;
function Alias (Id : E) return E;
function Alignment (Id : E) return U;
function Associated_Formal_Package (Id : E) return E;
function Associated_Node_For_Itype (Id : E) return N;
function Associated_Storage_Pool (Id : E) return E;
function Barrier_Function (Id : E) return N;
function Block_Node (Id : E) return N;
function Body_Entity (Id : E) return E;
function Body_Needed_For_SAL (Id : E) return B;
function Body_References (Id : E) return L;
function BIP_Initialization_Call (Id : E) return N;
function CR_Discriminant (Id : E) return E;
function C_Pass_By_Copy (Id : E) return B;
function Can_Never_Be_Null (Id : E) return B;
function Can_Use_Internal_Rep (Id : E) return B;
function Checks_May_Be_Suppressed (Id : E) return B;
function Class_Wide_Type (Id : E) return E;
function Cloned_Subtype (Id : E) return E;
function Component_Alignment (Id : E) return C;
function Component_Bit_Offset (Id : E) return U;
function Component_Clause (Id : E) return N;
function Component_Size (Id : E) return U;
function Component_Type (Id : E) return E;
function Contains_Ignored_Ghost_Code (Id : E) return B;
function Contract (Id : E) return N;
function Corresponding_Concurrent_Type (Id : E) return E;
function Corresponding_Discriminant (Id : E) return E;
function Corresponding_Equality (Id : E) return E;
function Corresponding_Protected_Entry (Id : E) return E;
function Corresponding_Record_Type (Id : E) return E;
function Corresponding_Remote_Type (Id : E) return E;
function Current_Use_Clause (Id : E) return E;
function Current_Value (Id : E) return N;
function DTC_Entity (Id : E) return E;
function DT_Entry_Count (Id : E) return U;
function DT_Offset_To_Top_Func (Id : E) return E;
function DT_Position (Id : E) return U;
function Debug_Info_Off (Id : E) return B;
function Debug_Renaming_Link (Id : E) return E;
function Default_Aspect_Component_Value (Id : E) return N;
function Default_Aspect_Value (Id : E) return N;
function Default_Expr_Function (Id : E) return E;
function Default_Expressions_Processed (Id : E) return B;
function Default_Value (Id : E) return N;
function Delay_Cleanups (Id : E) return B;
function Delay_Subprogram_Descriptors (Id : E) return B;
function Delta_Value (Id : E) return R;
function Dependent_Instances (Id : E) return L;
function Depends_On_Private (Id : E) return B;
function Derived_Type_Link (Id : E) return E;
function Digits_Value (Id : E) return U;
function Direct_Primitive_Operations (Id : E) return L;
function Directly_Designated_Type (Id : E) return E;
function Discard_Names (Id : E) return B;
function Discriminal (Id : E) return E;
function Discriminal_Link (Id : E) return E;
function Discriminant_Checking_Func (Id : E) return E;
function Discriminant_Constraint (Id : E) return L;
function Discriminant_Default_Value (Id : E) return N;
function Discriminant_Number (Id : E) return U;
function Dispatch_Table_Wrappers (Id : E) return L;
function Elaborate_Body_Desirable (Id : E) return B;
function Elaboration_Entity (Id : E) return E;
function Elaboration_Entity_Required (Id : E) return B;
function Encapsulating_State (Id : E) return E;
function Enclosing_Scope (Id : E) return E;
function Entry_Accepted (Id : E) return B;
function Entry_Bodies_Array (Id : E) return E;
function Entry_Cancel_Parameter (Id : E) return E;
function Entry_Component (Id : E) return E;
function Entry_Formal (Id : E) return E;
function Entry_Index_Constant (Id : E) return E;
function Entry_Index_Type (Id : E) return E;
function Entry_Parameters_Type (Id : E) return E;
function Enum_Pos_To_Rep (Id : E) return E;
function Enumeration_Pos (Id : E) return U;
function Enumeration_Rep (Id : E) return U;
function Enumeration_Rep_Expr (Id : E) return N;
function Equivalent_Type (Id : E) return E;
function Esize (Id : E) return U;
function Extra_Accessibility (Id : E) return E;
function Extra_Accessibility_Of_Result (Id : E) return E;
function Extra_Constrained (Id : E) return E;
function Extra_Formal (Id : E) return E;
function Extra_Formals (Id : E) return E;
function Finalization_Master (Id : E) return E;
function Finalize_Storage_Only (Id : E) return B;
function Finalizer (Id : E) return E;
function First_Entity (Id : E) return E;
function First_Exit_Statement (Id : E) return N;
function First_Index (Id : E) return N;
function First_Literal (Id : E) return E;
function First_Private_Entity (Id : E) return E;
function First_Rep_Item (Id : E) return N;
function Float_Rep (Id : E) return F;
function Freeze_Node (Id : E) return N;
function From_Limited_With (Id : E) return B;
function Full_View (Id : E) return E;
function Generic_Homonym (Id : E) return E;
function Generic_Renamings (Id : E) return L;
function Handler_Records (Id : E) return S;
function Has_Aliased_Components (Id : E) return B;
function Has_Alignment_Clause (Id : E) return B;
function Has_All_Calls_Remote (Id : E) return B;
function Has_Anonymous_Master (Id : E) return B;
function Has_Atomic_Components (Id : E) return B;
function Has_Biased_Representation (Id : E) return B;
function Has_Completion (Id : E) return B;
function Has_Completion_In_Body (Id : E) return B;
function Has_Complex_Representation (Id : E) return B;
function Has_Component_Size_Clause (Id : E) return B;
function Has_Constrained_Partial_View (Id : E) return B;
function Has_Contiguous_Rep (Id : E) return B;
function Has_Controlled_Component (Id : E) return B;
function Has_Controlling_Result (Id : E) return B;
function Has_Convention_Pragma (Id : E) return B;
function Has_Default_Aspect (Id : E) return B;
function Has_Default_Init_Cond (Id : E) return B;
function Has_Delayed_Aspects (Id : E) return B;
function Has_Delayed_Freeze (Id : E) return B;
function Has_Delayed_Rep_Aspects (Id : E) return B;
function Has_Discriminants (Id : E) return B;
function Has_Dispatch_Table (Id : E) return B;
function Has_Dynamic_Predicate_Aspect (Id : E) return B;
function Has_Enumeration_Rep_Clause (Id : E) return B;
function Has_Exit (Id : E) return B;
function Has_Expanded_Contract (Id : E) return B;
function Has_Forward_Instantiation (Id : E) return B;
function Has_Fully_Qualified_Name (Id : E) return B;
function Has_Gigi_Rep_Item (Id : E) return B;
function Has_Homonym (Id : E) return B;
function Has_Implicit_Dereference (Id : E) return B;
function Has_Independent_Components (Id : E) return B;
function Has_Inheritable_Invariants (Id : E) return B;
function Has_Inherited_Default_Init_Cond (Id : E) return B;
function Has_Initial_Value (Id : E) return B;
function Has_Interrupt_Handler (Id : E) return B;
function Has_Invariants (Id : E) return B;
function Has_Loop_Entry_Attributes (Id : E) return B;
function Has_Machine_Radix_Clause (Id : E) return B;
function Has_Master_Entity (Id : E) return B;
function Has_Missing_Return (Id : E) return B;
function Has_Nested_Block_With_Handler (Id : E) return B;
function Has_Nested_Subprogram (Id : E) return B;
function Has_Non_Standard_Rep (Id : E) return B;
function Has_Object_Size_Clause (Id : E) return B;
function Has_Out_Or_In_Out_Parameter (Id : E) return B;
function Has_Per_Object_Constraint (Id : E) return B;
function Has_Pragma_Controlled (Id : E) return B;
function Has_Pragma_Elaborate_Body (Id : E) return B;
function Has_Pragma_Inline (Id : E) return B;
function Has_Pragma_Inline_Always (Id : E) return B;
function Has_Pragma_No_Inline (Id : E) return B;
function Has_Pragma_Ordered (Id : E) return B;
function Has_Pragma_Pack (Id : E) return B;
function Has_Pragma_Preelab_Init (Id : E) return B;
function Has_Pragma_Pure (Id : E) return B;
function Has_Pragma_Pure_Function (Id : E) return B;
function Has_Pragma_Thread_Local_Storage (Id : E) return B;
function Has_Pragma_Unmodified (Id : E) return B;
function Has_Pragma_Unreferenced (Id : E) return B;
function Has_Pragma_Unreferenced_Objects (Id : E) return B;
function Has_Predicates (Id : E) return B;
function Has_Primitive_Operations (Id : E) return B;
function Has_Private_Ancestor (Id : E) return B;
function Has_Private_Declaration (Id : E) return B;
function Has_Protected (Id : E) return B;
function Has_Qualified_Name (Id : E) return B;
function Has_RACW (Id : E) return B;
function Has_Record_Rep_Clause (Id : E) return B;
function Has_Recursive_Call (Id : E) return B;
function Has_Shift_Operator (Id : E) return B;
function Has_Size_Clause (Id : E) return B;
function Has_Small_Clause (Id : E) return B;
function Has_Specified_Layout (Id : E) return B;
function Has_Specified_Stream_Input (Id : E) return B;
function Has_Specified_Stream_Output (Id : E) return B;
function Has_Specified_Stream_Read (Id : E) return B;
function Has_Specified_Stream_Write (Id : E) return B;
function Has_Static_Discriminants (Id : E) return B;
function Has_Static_Predicate (Id : E) return B;
function Has_Static_Predicate_Aspect (Id : E) return B;
function Has_Storage_Size_Clause (Id : E) return B;
function Has_Stream_Size_Clause (Id : E) return B;
function Has_Task (Id : E) return B;
function Has_Thunks (Id : E) return B;
function Has_Unchecked_Union (Id : E) return B;
function Has_Unknown_Discriminants (Id : E) return B;
function Has_Uplevel_Reference (Id : E) return B;
function Has_Visible_Refinement (Id : E) return B;
function Has_Volatile_Components (Id : E) return B;
function Has_Xref_Entry (Id : E) return B;
function Hiding_Loop_Variable (Id : E) return E;
function Homonym (Id : E) return E;
function Import_Pragma (Id : E) return E;
function In_Package_Body (Id : E) return B;
function In_Private_Part (Id : E) return B;
function In_Use (Id : E) return B;
function Initialization_Statements (Id : E) return N;
function Inner_Instances (Id : E) return L;
function Interface_Alias (Id : E) return E;
function Interface_Name (Id : E) return N;
function Interfaces (Id : E) return L;
function Is_Abstract_Subprogram (Id : E) return B;
function Is_Abstract_Type (Id : E) return B;
function Is_Access_Constant (Id : E) return B;
function Is_Ada_2005_Only (Id : E) return B;
function Is_Ada_2012_Only (Id : E) return B;
function Is_Aliased (Id : E) return B;
function Is_Asynchronous (Id : E) return B;
function Is_Atomic (Id : E) return B;
function Is_Bit_Packed_Array (Id : E) return B;
function Is_CPP_Class (Id : E) return B;
function Is_Called (Id : E) return B;
function Is_Character_Type (Id : E) return B;
function Is_Checked_Ghost_Entity (Id : E) return B;
function Is_Child_Unit (Id : E) return B;
function Is_Class_Wide_Equivalent_Type (Id : E) return B;
function Is_Compilation_Unit (Id : E) return B;
function Is_Completely_Hidden (Id : E) return B;
function Is_Constr_Subt_For_UN_Aliased (Id : E) return B;
function Is_Constr_Subt_For_U_Nominal (Id : E) return B;
function Is_Constrained (Id : E) return B;
function Is_Constructor (Id : E) return B;
function Is_Controlled (Id : E) return B;
function Is_Controlling_Formal (Id : E) return B;
function Is_Default_Init_Cond_Procedure (Id : E) return B;
function Is_Descendent_Of_Address (Id : E) return B;
function Is_Discrim_SO_Function (Id : E) return B;
function Is_Discriminant_Check_Function (Id : E) return B;
function Is_Dispatch_Table_Entity (Id : E) return B;
function Is_Dispatching_Operation (Id : E) return B;
function Is_Eliminated (Id : E) return B;
function Is_Entry_Formal (Id : E) return B;
function Is_Exported (Id : E) return B;
function Is_First_Subtype (Id : E) return B;
function Is_For_Access_Subtype (Id : E) return B;
function Is_Frozen (Id : E) return B;
function Is_Generic_Instance (Id : E) return B;
function Is_Hidden (Id : E) return B;
function Is_Hidden_Non_Overridden_Subpgm (Id : E) return B;
function Is_Hidden_Open_Scope (Id : E) return B;
function Is_Ignored_Ghost_Entity (Id : E) return B;
function Is_Immediately_Visible (Id : E) return B;
function Is_Implementation_Defined (Id : E) return B;
function Is_Imported (Id : E) return B;
function Is_Independent (Id : E) return B;
function Is_Inlined (Id : E) return B;
function Is_Inlined_Always (Id : E) return B;
function Is_Instantiated (Id : E) return B;
function Is_Interface (Id : E) return B;
function Is_Internal (Id : E) return B;
function Is_Interrupt_Handler (Id : E) return B;
function Is_Intrinsic_Subprogram (Id : E) return B;
function Is_Invariant_Procedure (Id : E) return B;
function Is_Itype (Id : E) return B;
function Is_Known_Non_Null (Id : E) return B;
function Is_Known_Null (Id : E) return B;
function Is_Known_Valid (Id : E) return B;
function Is_Limited_Composite (Id : E) return B;
function Is_Limited_Interface (Id : E) return B;
function Is_Local_Anonymous_Access (Id : E) return B;
function Is_Machine_Code_Subprogram (Id : E) return B;
function Is_Non_Static_Subtype (Id : E) return B;
function Is_Null_Init_Proc (Id : E) return B;
function Is_Obsolescent (Id : E) return B;
function Is_Only_Out_Parameter (Id : E) return B;
function Is_Package_Body_Entity (Id : E) return B;
function Is_Packed (Id : E) return B;
function Is_Packed_Array_Impl_Type (Id : E) return B;
function Is_Potentially_Use_Visible (Id : E) return B;
function Is_Predicate_Function (Id : E) return B;
function Is_Predicate_Function_M (Id : E) return B;
function Is_Preelaborated (Id : E) return B;
function Is_Primitive (Id : E) return B;
function Is_Primitive_Wrapper (Id : E) return B;
function Is_Private_Composite (Id : E) return B;
function Is_Private_Descendant (Id : E) return B;
function Is_Private_Primitive (Id : E) return B;
function Is_Processed_Transient (Id : E) return B;
function Is_Public (Id : E) return B;
function Is_Pure (Id : E) return B;
function Is_Pure_Unit_Access_Type (Id : E) return B;
function Is_RACW_Stub_Type (Id : E) return B;
function Is_Raised (Id : E) return B;
function Is_Remote_Call_Interface (Id : E) return B;
function Is_Remote_Types (Id : E) return B;
function Is_Renaming_Of_Object (Id : E) return B;
function Is_Return_Object (Id : E) return B;
function Is_Safe_To_Reevaluate (Id : E) return B;
function Is_Shared_Passive (Id : E) return B;
function Is_Static_Type (Id : E) return B;
function Is_Statically_Allocated (Id : E) return B;
function Is_Tag (Id : E) return B;
function Is_Tagged_Type (Id : E) return B;
function Is_Thunk (Id : E) return B;
function Is_Trivial_Subprogram (Id : E) return B;
function Is_True_Constant (Id : E) return B;
function Is_Unchecked_Union (Id : E) return B;
function Is_Underlying_Record_View (Id : E) return B;
function Is_Unimplemented (Id : E) return B;
function Is_Unsigned_Type (Id : E) return B;
function Is_Valued_Procedure (Id : E) return B;
function Is_Visible_Formal (Id : E) return B;
function Is_Visible_Lib_Unit (Id : E) return B;
function Is_Volatile (Id : E) return B;
function Itype_Printed (Id : E) return B;
function Kill_Elaboration_Checks (Id : E) return B;
function Kill_Range_Checks (Id : E) return B;
function Known_To_Have_Preelab_Init (Id : E) return B;
function Last_Aggregate_Assignment (Id : E) return N;
function Last_Assignment (Id : E) return N;
function Last_Entity (Id : E) return E;
function Limited_View (Id : E) return E;
function Linker_Section_Pragma (Id : E) return N;
function Lit_Indexes (Id : E) return E;
function Lit_Strings (Id : E) return E;
function Low_Bound_Tested (Id : E) return B;
function Machine_Radix_10 (Id : E) return B;
function Master_Id (Id : E) return E;
function Materialize_Entity (Id : E) return B;
function May_Inherit_Delayed_Rep_Aspects (Id : E) return B;
function Mechanism (Id : E) return M;
function Modulus (Id : E) return U;
function Must_Be_On_Byte_Boundary (Id : E) return B;
function Must_Have_Preelab_Init (Id : E) return B;
function Needs_Debug_Info (Id : E) return B;
function Needs_No_Actuals (Id : E) return B;
function Never_Set_In_Source (Id : E) return B;
function Next_Inlined_Subprogram (Id : E) return E;
function No_Dynamic_Predicate_On_Actual (Id : E) return B;
function No_Pool_Assigned (Id : E) return B;
function No_Predicate_On_Actual (Id : E) return B;
function No_Return (Id : E) return B;
function No_Strict_Aliasing (Id : E) return B;
function No_Tagged_Streams_Pragma (Id : E) return N;
function Non_Binary_Modulus (Id : E) return B;
function Non_Limited_View (Id : E) return E;
function Nonzero_Is_True (Id : E) return B;
function Normalized_First_Bit (Id : E) return U;
function Normalized_Position (Id : E) return U;
function Normalized_Position_Max (Id : E) return U;
function OK_To_Rename (Id : E) return B;
function OK_To_Reorder_Components (Id : E) return B;
function Optimize_Alignment_Space (Id : E) return B;
function Optimize_Alignment_Time (Id : E) return B;
function Original_Access_Type (Id : E) return E;
function Original_Array_Type (Id : E) return E;
function Original_Record_Component (Id : E) return E;
function Overlays_Constant (Id : E) return B;
function Overridden_Operation (Id : E) return E;
function PPC_Wrapper (Id : E) return E;
function Package_Instantiation (Id : E) return N;
function Packed_Array_Impl_Type (Id : E) return E;
function Parent_Subtype (Id : E) return E;
function Part_Of_Constituents (Id : E) return L;
function Partial_View_Has_Unknown_Discr (Id : E) return B;
function Pending_Access_Types (Id : E) return L;
function Postconditions_Proc (Id : E) return E;
function Prival (Id : E) return E;
function Prival_Link (Id : E) return E;
function Private_Dependents (Id : E) return L;
function Private_View (Id : E) return N;
function Protected_Body_Subprogram (Id : E) return E;
function Protected_Formal (Id : E) return E;
function Protection_Object (Id : E) return E;
function RM_Size (Id : E) return U;
function Reachable (Id : E) return B;
function Referenced (Id : E) return B;
function Referenced_As_LHS (Id : E) return B;
function Referenced_As_Out_Parameter (Id : E) return B;
function Refinement_Constituents (Id : E) return L;
function Register_Exception_Call (Id : E) return N;
function Related_Array_Object (Id : E) return E;
function Related_Expression (Id : E) return N;
function Related_Instance (Id : E) return E;
function Related_Type (Id : E) return E;
function Relative_Deadline_Variable (Id : E) return E;
function Renamed_Entity (Id : E) return N;
function Renamed_In_Spec (Id : E) return B;
function Renamed_Object (Id : E) return N;
function Renaming_Map (Id : E) return U;
function Requires_Overriding (Id : E) return B;
function Return_Applies_To (Id : E) return N;
function Return_Present (Id : E) return B;
function Returns_By_Ref (Id : E) return B;
function Returns_Limited_View (Id : E) return B;
function Reverse_Bit_Order (Id : E) return B;
function Reverse_Storage_Order (Id : E) return B;
function Scalar_Range (Id : E) return N;
function Scale_Value (Id : E) return U;
function Scope_Depth_Value (Id : E) return U;
function Sec_Stack_Needed_For_Return (Id : E) return B;
function Shadow_Entities (Id : E) return S;
function Shared_Var_Procs_Instance (Id : E) return E;
function Size_Check_Code (Id : E) return N;
function Size_Depends_On_Discriminant (Id : E) return B;
function Size_Known_At_Compile_Time (Id : E) return B;
function Small_Value (Id : E) return R;
function SPARK_Aux_Pragma (Id : E) return N;
function SPARK_Aux_Pragma_Inherited (Id : E) return B;
function SPARK_Pragma (Id : E) return N;
function SPARK_Pragma_Inherited (Id : E) return B;
function Spec_Entity (Id : E) return E;
function SSO_Set_High_By_Default (Id : E) return B;
function SSO_Set_Low_By_Default (Id : E) return B;
function Static_Elaboration_Desired (Id : E) return B;
function Static_Initialization (Id : E) return N;
function Static_Discrete_Predicate (Id : E) return S;
function Static_Real_Or_String_Predicate (Id : E) return N;
function Status_Flag_Or_Transient_Decl (Id : E) return E;
function Storage_Size_Variable (Id : E) return E;
function Stored_Constraint (Id : E) return L;
function Stores_Attribute_Old_Prefix (Id : E) return B;
function Strict_Alignment (Id : E) return B;
function String_Literal_Length (Id : E) return U;
function String_Literal_Low_Bound (Id : E) return N;
function Subprograms_For_Type (Id : E) return E;
function Subps_Index (Id : E) return U;
function Suppress_Elaboration_Warnings (Id : E) return B;
function Suppress_Initialization (Id : E) return B;
function Suppress_Style_Checks (Id : E) return B;
function Suppress_Value_Tracking_On_Call (Id : E) return B;
function Task_Body_Procedure (Id : E) return N;
function Thunk_Entity (Id : E) return E;
function Treat_As_Volatile (Id : E) return B;
function Underlying_Full_View (Id : E) return E;
function Underlying_Record_View (Id : E) return E;
function Universal_Aliasing (Id : E) return B;
function Unset_Reference (Id : E) return N;
function Uplevel_Reference_Noted (Id : E) return B;
function Uplevel_References (Id : E) return L;
function Used_As_Generic_Actual (Id : E) return B;
function Uses_Lock_Free (Id : E) return B;
function Uses_Sec_Stack (Id : E) return B;
function Warnings_Off (Id : E) return B;
function Warnings_Off_Used (Id : E) return B;
function Warnings_Off_Used_Unmodified (Id : E) return B;
function Warnings_Off_Used_Unreferenced (Id : E) return B;
function Was_Hidden (Id : E) return B;
function Wrapped_Entity (Id : E) return E;
-------------------------------
-- Classification Attributes --
-------------------------------
-- These functions provide a convenient functional notation for testing
-- whether an Ekind value belongs to a specified kind, for example the
-- function Is_Elementary_Type tests if its argument is in Elementary_Kind.
-- In some cases, the test is of an entity attribute (e.g. in the case of
-- Is_Generic_Type where the Ekind does not provide the needed information)
function Is_Access_Type (Id : E) return B;
function Is_Access_Protected_Subprogram_Type (Id : E) return B;
function Is_Access_Subprogram_Type (Id : E) return B;
function Is_Aggregate_Type (Id : E) return B;
function Is_Array_Type (Id : E) return B;
function Is_Assignable (Id : E) return B;
function Is_Class_Wide_Type (Id : E) return B;
function Is_Composite_Type (Id : E) return B;
function Is_Concurrent_Body (Id : E) return B;
function Is_Concurrent_Record_Type (Id : E) return B;
function Is_Concurrent_Type (Id : E) return B;
function Is_Decimal_Fixed_Point_Type (Id : E) return B;
function Is_Digits_Type (Id : E) return B;
function Is_Discrete_Or_Fixed_Point_Type (Id : E) return B;
function Is_Discrete_Type (Id : E) return B;
function Is_Elementary_Type (Id : E) return B;
function Is_Entry (Id : E) return B;
function Is_Enumeration_Type (Id : E) return B;
function Is_Fixed_Point_Type (Id : E) return B;
function Is_Floating_Point_Type (Id : E) return B;
function Is_Formal (Id : E) return B;
function Is_Formal_Object (Id : E) return B;
function Is_Formal_Subprogram (Id : E) return B;
function Is_Generic_Actual_Subprogram (Id : E) return B;
function Is_Generic_Actual_Type (Id : E) return B;
function Is_Generic_Unit (Id : E) return B;
function Is_Generic_Type (Id : E) return B;
function Is_Generic_Subprogram (Id : E) return B;
function Is_Incomplete_Or_Private_Type (Id : E) return B;
function Is_Incomplete_Type (Id : E) return B;
function Is_Integer_Type (Id : E) return B;
function Is_Limited_Record (Id : E) return B;
function Is_Modular_Integer_Type (Id : E) return B;
function Is_Named_Number (Id : E) return B;
function Is_Numeric_Type (Id : E) return B;
function Is_Object (Id : E) return B;
function Is_Ordinary_Fixed_Point_Type (Id : E) return B;
function Is_Overloadable (Id : E) return B;
function Is_Private_Type (Id : E) return B;
function Is_Protected_Type (Id : E) return B;
function Is_Real_Type (Id : E) return B;
function Is_Record_Type (Id : E) return B;
function Is_Scalar_Type (Id : E) return B;
function Is_Signed_Integer_Type (Id : E) return B;
function Is_Subprogram (Id : E) return B;
function Is_Subprogram_Or_Generic_Subprogram (Id : E) return B;
function Is_Task_Type (Id : E) return B;
function Is_Type (Id : E) return B;
-------------------------------------
-- Synthesized Attribute Functions --
-------------------------------------
-- The functions in this section synthesize attributes from the tree,
-- so they do not correspond to defined fields in the entity itself.
function Address_Clause (Id : E) return N;
function Aft_Value (Id : E) return U;
function Alignment_Clause (Id : E) return N;
function Base_Type (Id : E) return E;
function Declaration_Node (Id : E) return N;
function Designated_Type (Id : E) return E;
function First_Component (Id : E) return E;
function First_Component_Or_Discriminant (Id : E) return E;
function First_Formal (Id : E) return E;
function First_Formal_With_Extras (Id : E) return E;
function Has_Attach_Handler (Id : E) return B;
function Has_Entries (Id : E) return B;
function Has_Foreign_Convention (Id : E) return B;
function Has_Non_Null_Refinement (Id : E) return B;
function Has_Null_Abstract_State (Id : E) return B;
function Has_Null_Refinement (Id : E) return B;
function Implementation_Base_Type (Id : E) return E;
function Is_Base_Type (Id : E) return B;
function Is_Boolean_Type (Id : E) return B;
function Is_Constant_Object (Id : E) return B;
function Is_Discriminal (Id : E) return B;
function Is_Dynamic_Scope (Id : E) return B;
function Is_External_State (Id : E) return B;
function Is_Finalizer (Id : E) return B;
function Is_Null_State (Id : E) return B;
function Is_Package_Or_Generic_Package (Id : E) return B;
function Is_Packed_Array (Id : E) return B;
function Is_Prival (Id : E) return B;
function Is_Protected_Component (Id : E) return B;
function Is_Protected_Interface (Id : E) return B;
function Is_Protected_Record_Type (Id : E) return B;
function Is_Standard_Character_Type (Id : E) return B;
function Is_Standard_String_Type (Id : E) return B;
function Is_String_Type (Id : E) return B;
function Is_Synchronized_Interface (Id : E) return B;
function Is_Task_Interface (Id : E) return B;
function Is_Task_Record_Type (Id : E) return B;
function Is_Wrapper_Package (Id : E) return B;
function Last_Formal (Id : E) return E;
function Machine_Emax_Value (Id : E) return U;
function Machine_Emin_Value (Id : E) return U;
function Machine_Mantissa_Value (Id : E) return U;
function Machine_Radix_Value (Id : E) return U;
function Model_Emin_Value (Id : E) return U;
function Model_Epsilon_Value (Id : E) return R;
function Model_Mantissa_Value (Id : E) return U;
function Model_Small_Value (Id : E) return R;
function Next_Component (Id : E) return E;
function Next_Component_Or_Discriminant (Id : E) return E;
function Next_Discriminant (Id : E) return E;
function Next_Formal (Id : E) return E;
function Next_Formal_With_Extras (Id : E) return E;
function Next_Literal (Id : E) return E;
function Next_Stored_Discriminant (Id : E) return E;
function Number_Dimensions (Id : E) return Pos;
function Number_Entries (Id : E) return Nat;
function Number_Formals (Id : E) return Pos;
function Parameter_Mode (Id : E) return Formal_Kind;
function Primitive_Operations (Id : E) return L;
function Root_Type (Id : E) return E;
function Safe_Emax_Value (Id : E) return U;
function Safe_First_Value (Id : E) return R;
function Safe_Last_Value (Id : E) return R;
function Scope_Depth_Set (Id : E) return B;
function Size_Clause (Id : E) return N;
function Stream_Size_Clause (Id : E) return N;
function Type_High_Bound (Id : E) return N;
function Type_Low_Bound (Id : E) return N;
function Underlying_Type (Id : E) return E;
----------------------------------------------
-- Type Representation Attribute Predicates --
----------------------------------------------
-- These predicates test the setting of the indicated attribute. If the
-- value has been set, then Known is True, and Unknown is False. If no
-- value is set, then Known is False and Unknown is True. The Known_Static
-- predicate is true only if the value is set (Known) and is set to a
-- compile time known value. Note that in the case of Alignment and
-- Normalized_First_Bit, dynamic values are not possible, so we do not
-- need a separate Known_Static calls in these cases. The not set (unknown)
-- values are as follows:
-- Alignment Uint_0 or No_Uint
-- Component_Size Uint_0 or No_Uint
-- Component_Bit_Offset No_Uint
-- Digits_Value Uint_0 or No_Uint
-- Esize Uint_0 or No_Uint
-- Normalized_First_Bit No_Uint
-- Normalized_Position No_Uint
-- Normalized_Position_Max No_Uint
-- RM_Size Uint_0 or No_Uint
-- It would be cleaner to use No_Uint in all these cases, but historically
-- we chose to use Uint_0 at first, and the change over will take time ???
-- This is particularly true for the RM_Size field, where a value of zero
-- is legitimate. We deal with this by a considering that the value is
-- always known static for discrete types (and no other types can have
-- an RM_Size value of zero).
-- In two cases, Known_Static_Esize and Known_Static_RM_Size, there is one
-- more consideration, which is that we always return False for generic
-- types. Within a template, the size can look known, because of the fake
-- size values we put in template types, but they are not really known and
-- anyone testing if they are known within the template should get False as
-- a result to prevent incorrect assumptions.
function Known_Alignment (E : Entity_Id) return B;
function Known_Component_Bit_Offset (E : Entity_Id) return B;
function Known_Component_Size (E : Entity_Id) return B;
function Known_Esize (E : Entity_Id) return B;
function Known_Normalized_First_Bit (E : Entity_Id) return B;
function Known_Normalized_Position (E : Entity_Id) return B;
function Known_Normalized_Position_Max (E : Entity_Id) return B;
function Known_RM_Size (E : Entity_Id) return B;
function Known_Static_Component_Bit_Offset (E : Entity_Id) return B;
function Known_Static_Component_Size (E : Entity_Id) return B;
function Known_Static_Esize (E : Entity_Id) return B;
function Known_Static_Normalized_First_Bit (E : Entity_Id) return B;
function Known_Static_Normalized_Position (E : Entity_Id) return B;
function Known_Static_Normalized_Position_Max (E : Entity_Id) return B;
function Known_Static_RM_Size (E : Entity_Id) return B;
function Unknown_Alignment (E : Entity_Id) return B;
function Unknown_Component_Bit_Offset (E : Entity_Id) return B;
function Unknown_Component_Size (E : Entity_Id) return B;
function Unknown_Esize (E : Entity_Id) return B;
function Unknown_Normalized_First_Bit (E : Entity_Id) return B;
function Unknown_Normalized_Position (E : Entity_Id) return B;
function Unknown_Normalized_Position_Max (E : Entity_Id) return B;
function Unknown_RM_Size (E : Entity_Id) return B;
------------------------------
-- Attribute Set Procedures --
------------------------------
procedure Set_Abstract_States (Id : E; V : L);
procedure Set_Accept_Address (Id : E; V : L);
procedure Set_Access_Disp_Table (Id : E; V : L);
procedure Set_Activation_Record_Component (Id : E; V : E);
procedure Set_Actual_Subtype (Id : E; V : E);
procedure Set_Address_Taken (Id : E; V : B := True);
procedure Set_Alias (Id : E; V : E);
procedure Set_Alignment (Id : E; V : U);
procedure Set_Associated_Formal_Package (Id : E; V : E);
procedure Set_Associated_Node_For_Itype (Id : E; V : N);
procedure Set_Associated_Storage_Pool (Id : E; V : E);
procedure Set_Barrier_Function (Id : E; V : N);
procedure Set_Block_Node (Id : E; V : N);
procedure Set_Body_Entity (Id : E; V : E);
procedure Set_Body_Needed_For_SAL (Id : E; V : B := True);
procedure Set_Body_References (Id : E; V : L);
procedure Set_BIP_Initialization_Call (Id : E; V : N);
procedure Set_CR_Discriminant (Id : E; V : E);
procedure Set_C_Pass_By_Copy (Id : E; V : B := True);
procedure Set_Can_Never_Be_Null (Id : E; V : B := True);
procedure Set_Can_Use_Internal_Rep (Id : E; V : B := True);
procedure Set_Checks_May_Be_Suppressed (Id : E; V : B := True);
procedure Set_Class_Wide_Type (Id : E; V : E);
procedure Set_Cloned_Subtype (Id : E; V : E);
procedure Set_Component_Alignment (Id : E; V : C);
procedure Set_Component_Bit_Offset (Id : E; V : U);
procedure Set_Component_Clause (Id : E; V : N);
procedure Set_Component_Size (Id : E; V : U);
procedure Set_Component_Type (Id : E; V : E);
procedure Set_Contains_Ignored_Ghost_Code (Id : E; V : B := True);
procedure Set_Contract (Id : E; V : N);
procedure Set_Corresponding_Concurrent_Type (Id : E; V : E);
procedure Set_Corresponding_Discriminant (Id : E; V : E);
procedure Set_Corresponding_Equality (Id : E; V : E);
procedure Set_Corresponding_Protected_Entry (Id : E; V : E);
procedure Set_Corresponding_Record_Type (Id : E; V : E);
procedure Set_Corresponding_Remote_Type (Id : E; V : E);
procedure Set_Current_Use_Clause (Id : E; V : E);
procedure Set_Current_Value (Id : E; V : N);
procedure Set_DTC_Entity (Id : E; V : E);
procedure Set_DT_Entry_Count (Id : E; V : U);
procedure Set_DT_Offset_To_Top_Func (Id : E; V : E);
procedure Set_DT_Position (Id : E; V : U);
procedure Set_Debug_Info_Off (Id : E; V : B := True);
procedure Set_Debug_Renaming_Link (Id : E; V : E);
procedure Set_Default_Aspect_Component_Value (Id : E; V : N);
procedure Set_Default_Aspect_Value (Id : E; V : N);
procedure Set_Default_Expr_Function (Id : E; V : E);
procedure Set_Default_Expressions_Processed (Id : E; V : B := True);
procedure Set_Default_Value (Id : E; V : N);
procedure Set_Delay_Cleanups (Id : E; V : B := True);
procedure Set_Delay_Subprogram_Descriptors (Id : E; V : B := True);
procedure Set_Delta_Value (Id : E; V : R);
procedure Set_Dependent_Instances (Id : E; V : L);
procedure Set_Depends_On_Private (Id : E; V : B := True);
procedure Set_Derived_Type_Link (Id : E; V : E);
procedure Set_Digits_Value (Id : E; V : U);
procedure Set_Direct_Primitive_Operations (Id : E; V : L);
procedure Set_Directly_Designated_Type (Id : E; V : E);
procedure Set_Discard_Names (Id : E; V : B := True);
procedure Set_Discriminal (Id : E; V : E);
procedure Set_Discriminal_Link (Id : E; V : E);
procedure Set_Discriminant_Checking_Func (Id : E; V : E);
procedure Set_Discriminant_Constraint (Id : E; V : L);
procedure Set_Discriminant_Default_Value (Id : E; V : N);
procedure Set_Discriminant_Number (Id : E; V : U);
procedure Set_Dispatch_Table_Wrappers (Id : E; V : L);
procedure Set_Elaborate_Body_Desirable (Id : E; V : B := True);
procedure Set_Elaboration_Entity (Id : E; V : E);
procedure Set_Elaboration_Entity_Required (Id : E; V : B := True);
procedure Set_Encapsulating_State (Id : E; V : E);
procedure Set_Enclosing_Scope (Id : E; V : E);
procedure Set_Entry_Accepted (Id : E; V : B := True);
procedure Set_Entry_Bodies_Array (Id : E; V : E);
procedure Set_Entry_Cancel_Parameter (Id : E; V : E);
procedure Set_Entry_Component (Id : E; V : E);
procedure Set_Entry_Formal (Id : E; V : E);
procedure Set_Entry_Index_Constant (Id : E; V : E);
procedure Set_Entry_Parameters_Type (Id : E; V : E);
procedure Set_Enum_Pos_To_Rep (Id : E; V : E);
procedure Set_Enumeration_Pos (Id : E; V : U);
procedure Set_Enumeration_Rep (Id : E; V : U);
procedure Set_Enumeration_Rep_Expr (Id : E; V : N);
procedure Set_Equivalent_Type (Id : E; V : E);
procedure Set_Esize (Id : E; V : U);
procedure Set_Extra_Accessibility (Id : E; V : E);
procedure Set_Extra_Accessibility_Of_Result (Id : E; V : E);
procedure Set_Extra_Constrained (Id : E; V : E);
procedure Set_Extra_Formal (Id : E; V : E);
procedure Set_Extra_Formals (Id : E; V : E);
procedure Set_Finalization_Master (Id : E; V : E);
procedure Set_Finalize_Storage_Only (Id : E; V : B := True);
procedure Set_Finalizer (Id : E; V : E);
procedure Set_First_Entity (Id : E; V : E);
procedure Set_First_Exit_Statement (Id : E; V : N);
procedure Set_First_Index (Id : E; V : N);
procedure Set_First_Literal (Id : E; V : E);
procedure Set_First_Private_Entity (Id : E; V : E);
procedure Set_First_Rep_Item (Id : E; V : N);
procedure Set_Float_Rep (Id : E; V : F);
procedure Set_Freeze_Node (Id : E; V : N);
procedure Set_From_Limited_With (Id : E; V : B := True);
procedure Set_Full_View (Id : E; V : E);
procedure Set_Generic_Homonym (Id : E; V : E);
procedure Set_Generic_Renamings (Id : E; V : L);
procedure Set_Handler_Records (Id : E; V : S);
procedure Set_Has_Aliased_Components (Id : E; V : B := True);
procedure Set_Has_Alignment_Clause (Id : E; V : B := True);
procedure Set_Has_All_Calls_Remote (Id : E; V : B := True);
procedure Set_Has_Anonymous_Master (Id : E; V : B := True);
procedure Set_Has_Atomic_Components (Id : E; V : B := True);
procedure Set_Has_Biased_Representation (Id : E; V : B := True);
procedure Set_Has_Completion (Id : E; V : B := True);
procedure Set_Has_Completion_In_Body (Id : E; V : B := True);
procedure Set_Has_Complex_Representation (Id : E; V : B := True);
procedure Set_Has_Component_Size_Clause (Id : E; V : B := True);
procedure Set_Has_Constrained_Partial_View (Id : E; V : B := True);
procedure Set_Has_Contiguous_Rep (Id : E; V : B := True);
procedure Set_Has_Controlled_Component (Id : E; V : B := True);
procedure Set_Has_Controlling_Result (Id : E; V : B := True);
procedure Set_Has_Convention_Pragma (Id : E; V : B := True);
procedure Set_Has_Default_Aspect (Id : E; V : B := True);
procedure Set_Has_Default_Init_Cond (Id : E; V : B := True);
procedure Set_Has_Delayed_Aspects (Id : E; V : B := True);
procedure Set_Has_Delayed_Freeze (Id : E; V : B := True);
procedure Set_Has_Delayed_Rep_Aspects (Id : E; V : B := True);
procedure Set_Has_Discriminants (Id : E; V : B := True);
procedure Set_Has_Dispatch_Table (Id : E; V : B := True);
procedure Set_Has_Dynamic_Predicate_Aspect (Id : E; V : B := True);
procedure Set_Has_Enumeration_Rep_Clause (Id : E; V : B := True);
procedure Set_Has_Exit (Id : E; V : B := True);
procedure Set_Has_Expanded_Contract (Id : E; V : B := True);
procedure Set_Has_Forward_Instantiation (Id : E; V : B := True);
procedure Set_Has_Fully_Qualified_Name (Id : E; V : B := True);
procedure Set_Has_Gigi_Rep_Item (Id : E; V : B := True);
procedure Set_Has_Homonym (Id : E; V : B := True);
procedure Set_Has_Implicit_Dereference (Id : E; V : B := True);
procedure Set_Has_Independent_Components (Id : E; V : B := True);
procedure Set_Has_Inheritable_Invariants (Id : E; V : B := True);
procedure Set_Has_Inherited_Default_Init_Cond (Id : E; V : B := True);
procedure Set_Has_Initial_Value (Id : E; V : B := True);
procedure Set_Has_Invariants (Id : E; V : B := True);
procedure Set_Has_Loop_Entry_Attributes (Id : E; V : B := True);
procedure Set_Has_Machine_Radix_Clause (Id : E; V : B := True);
procedure Set_Has_Master_Entity (Id : E; V : B := True);
procedure Set_Has_Missing_Return (Id : E; V : B := True);
procedure Set_Has_Nested_Block_With_Handler (Id : E; V : B := True);
procedure Set_Has_Nested_Subprogram (Id : E; V : B := True);
procedure Set_Has_Non_Standard_Rep (Id : E; V : B := True);
procedure Set_Has_Object_Size_Clause (Id : E; V : B := True);
procedure Set_Has_Out_Or_In_Out_Parameter (Id : E; V : B := True);
procedure Set_Has_Per_Object_Constraint (Id : E; V : B := True);
procedure Set_Has_Pragma_Controlled (Id : E; V : B := True);
procedure Set_Has_Pragma_Elaborate_Body (Id : E; V : B := True);
procedure Set_Has_Pragma_Inline (Id : E; V : B := True);
procedure Set_Has_Pragma_Inline_Always (Id : E; V : B := True);
procedure Set_Has_Pragma_No_Inline (Id : E; V : B := True);
procedure Set_Has_Pragma_Ordered (Id : E; V : B := True);
procedure Set_Has_Pragma_Pack (Id : E; V : B := True);
procedure Set_Has_Pragma_Preelab_Init (Id : E; V : B := True);
procedure Set_Has_Pragma_Pure (Id : E; V : B := True);
procedure Set_Has_Pragma_Pure_Function (Id : E; V : B := True);
procedure Set_Has_Pragma_Thread_Local_Storage (Id : E; V : B := True);
procedure Set_Has_Pragma_Unmodified (Id : E; V : B := True);
procedure Set_Has_Pragma_Unreferenced (Id : E; V : B := True);
procedure Set_Has_Pragma_Unreferenced_Objects (Id : E; V : B := True);
procedure Set_Has_Predicates (Id : E; V : B := True);
procedure Set_Has_Primitive_Operations (Id : E; V : B := True);
procedure Set_Has_Private_Ancestor (Id : E; V : B := True);
procedure Set_Has_Private_Declaration (Id : E; V : B := True);
procedure Set_Has_Protected (Id : E; V : B := True);
procedure Set_Has_Qualified_Name (Id : E; V : B := True);
procedure Set_Has_RACW (Id : E; V : B := True);
procedure Set_Has_Record_Rep_Clause (Id : E; V : B := True);
procedure Set_Has_Recursive_Call (Id : E; V : B := True);
procedure Set_Has_Shift_Operator (Id : E; V : B := True);
procedure Set_Has_Size_Clause (Id : E; V : B := True);
procedure Set_Has_Small_Clause (Id : E; V : B := True);
procedure Set_Has_Specified_Layout (Id : E; V : B := True);
procedure Set_Has_Specified_Stream_Input (Id : E; V : B := True);
procedure Set_Has_Specified_Stream_Output (Id : E; V : B := True);
procedure Set_Has_Specified_Stream_Read (Id : E; V : B := True);
procedure Set_Has_Specified_Stream_Write (Id : E; V : B := True);
procedure Set_Has_Static_Discriminants (Id : E; V : B := True);
procedure Set_Has_Static_Predicate (Id : E; V : B := True);
procedure Set_Has_Static_Predicate_Aspect (Id : E; V : B := True);
procedure Set_Has_Storage_Size_Clause (Id : E; V : B := True);
procedure Set_Has_Stream_Size_Clause (Id : E; V : B := True);
procedure Set_Has_Task (Id : E; V : B := True);
procedure Set_Has_Thunks (Id : E; V : B := True);
procedure Set_Has_Unchecked_Union (Id : E; V : B := True);
procedure Set_Has_Unknown_Discriminants (Id : E; V : B := True);
procedure Set_Has_Uplevel_Reference (Id : E; V : B := True);
procedure Set_Has_Visible_Refinement (Id : E; V : B := True);
procedure Set_Has_Volatile_Components (Id : E; V : B := True);
procedure Set_Has_Xref_Entry (Id : E; V : B := True);
procedure Set_Hiding_Loop_Variable (Id : E; V : E);
procedure Set_Homonym (Id : E; V : E);
procedure Set_Import_Pragma (Id : E; V : E);
procedure Set_In_Package_Body (Id : E; V : B := True);
procedure Set_In_Private_Part (Id : E; V : B := True);
procedure Set_In_Use (Id : E; V : B := True);
procedure Set_Initialization_Statements (Id : E; V : N);
procedure Set_Inner_Instances (Id : E; V : L);
procedure Set_Interface_Alias (Id : E; V : E);
procedure Set_Interface_Name (Id : E; V : N);
procedure Set_Interfaces (Id : E; V : L);
procedure Set_Is_Abstract_Subprogram (Id : E; V : B := True);
procedure Set_Is_Abstract_Type (Id : E; V : B := True);
procedure Set_Is_Access_Constant (Id : E; V : B := True);
procedure Set_Is_Ada_2005_Only (Id : E; V : B := True);
procedure Set_Is_Ada_2012_Only (Id : E; V : B := True);
procedure Set_Is_Aliased (Id : E; V : B := True);
procedure Set_Is_Asynchronous (Id : E; V : B := True);
procedure Set_Is_Atomic (Id : E; V : B := True);
procedure Set_Is_Bit_Packed_Array (Id : E; V : B := True);
procedure Set_Is_CPP_Class (Id : E; V : B := True);
procedure Set_Is_Called (Id : E; V : B := True);
procedure Set_Is_Character_Type (Id : E; V : B := True);
procedure Set_Is_Checked_Ghost_Entity (Id : E; V : B := True);
procedure Set_Is_Child_Unit (Id : E; V : B := True);
procedure Set_Is_Class_Wide_Equivalent_Type (Id : E; V : B := True);
procedure Set_Is_Compilation_Unit (Id : E; V : B := True);
procedure Set_Is_Completely_Hidden (Id : E; V : B := True);
procedure Set_Is_Concurrent_Record_Type (Id : E; V : B := True);
procedure Set_Is_Constr_Subt_For_UN_Aliased (Id : E; V : B := True);
procedure Set_Is_Constr_Subt_For_U_Nominal (Id : E; V : B := True);
procedure Set_Is_Constrained (Id : E; V : B := True);
procedure Set_Is_Constructor (Id : E; V : B := True);
procedure Set_Is_Controlled (Id : E; V : B := True);
procedure Set_Is_Controlling_Formal (Id : E; V : B := True);
procedure Set_Is_Default_Init_Cond_Procedure (Id : E; V : B := True);
procedure Set_Is_Descendent_Of_Address (Id : E; V : B := True);
procedure Set_Is_Discrim_SO_Function (Id : E; V : B := True);
procedure Set_Is_Discriminant_Check_Function (Id : E; V : B := True);
procedure Set_Is_Dispatch_Table_Entity (Id : E; V : B := True);
procedure Set_Is_Dispatching_Operation (Id : E; V : B := True);
procedure Set_Is_Eliminated (Id : E; V : B := True);
procedure Set_Is_Entry_Formal (Id : E; V : B := True);
procedure Set_Is_Exported (Id : E; V : B := True);
procedure Set_Is_First_Subtype (Id : E; V : B := True);
procedure Set_Is_For_Access_Subtype (Id : E; V : B := True);
procedure Set_Is_Formal_Subprogram (Id : E; V : B := True);
procedure Set_Is_Frozen (Id : E; V : B := True);
procedure Set_Is_Generic_Actual_Subprogram (Id : E; V : B := True);
procedure Set_Is_Generic_Actual_Type (Id : E; V : B := True);
procedure Set_Is_Generic_Instance (Id : E; V : B := True);
procedure Set_Is_Generic_Type (Id : E; V : B := True);
procedure Set_Is_Hidden (Id : E; V : B := True);
procedure Set_Is_Hidden_Non_Overridden_Subpgm (Id : E; V : B := True);
procedure Set_Is_Hidden_Open_Scope (Id : E; V : B := True);
procedure Set_Is_Ignored_Ghost_Entity (Id : E; V : B := True);
procedure Set_Is_Immediately_Visible (Id : E; V : B := True);
procedure Set_Is_Implementation_Defined (Id : E; V : B := True);
procedure Set_Is_Imported (Id : E; V : B := True);
procedure Set_Is_Independent (Id : E; V : B := True);
procedure Set_Is_Inlined (Id : E; V : B := True);
procedure Set_Is_Inlined_Always (Id : E; V : B := True);
procedure Set_Is_Instantiated (Id : E; V : B := True);
procedure Set_Is_Interface (Id : E; V : B := True);
procedure Set_Is_Internal (Id : E; V : B := True);
procedure Set_Is_Interrupt_Handler (Id : E; V : B := True);
procedure Set_Is_Intrinsic_Subprogram (Id : E; V : B := True);
procedure Set_Is_Invariant_Procedure (Id : E; V : B := True);
procedure Set_Is_Itype (Id : E; V : B := True);
procedure Set_Is_Known_Non_Null (Id : E; V : B := True);
procedure Set_Is_Known_Null (Id : E; V : B := True);
procedure Set_Is_Known_Valid (Id : E; V : B := True);
procedure Set_Is_Limited_Composite (Id : E; V : B := True);
procedure Set_Is_Limited_Interface (Id : E; V : B := True);
procedure Set_Is_Limited_Record (Id : E; V : B := True);
procedure Set_Is_Local_Anonymous_Access (Id : E; V : B := True);
procedure Set_Is_Machine_Code_Subprogram (Id : E; V : B := True);
procedure Set_Is_Non_Static_Subtype (Id : E; V : B := True);
procedure Set_Is_Null_Init_Proc (Id : E; V : B := True);
procedure Set_Is_Obsolescent (Id : E; V : B := True);
procedure Set_Is_Only_Out_Parameter (Id : E; V : B := True);
procedure Set_Is_Package_Body_Entity (Id : E; V : B := True);
procedure Set_Is_Packed (Id : E; V : B := True);
procedure Set_Is_Packed_Array_Impl_Type (Id : E; V : B := True);
procedure Set_Is_Potentially_Use_Visible (Id : E; V : B := True);
procedure Set_Is_Predicate_Function (Id : E; V : B := True);
procedure Set_Is_Predicate_Function_M (Id : E; V : B := True);
procedure Set_Is_Preelaborated (Id : E; V : B := True);
procedure Set_Is_Primitive (Id : E; V : B := True);
procedure Set_Is_Primitive_Wrapper (Id : E; V : B := True);
procedure Set_Is_Private_Composite (Id : E; V : B := True);
procedure Set_Is_Private_Descendant (Id : E; V : B := True);
procedure Set_Is_Private_Primitive (Id : E; V : B := True);
procedure Set_Is_Processed_Transient (Id : E; V : B := True);
procedure Set_Is_Public (Id : E; V : B := True);
procedure Set_Is_Pure (Id : E; V : B := True);
procedure Set_Is_Pure_Unit_Access_Type (Id : E; V : B := True);
procedure Set_Is_RACW_Stub_Type (Id : E; V : B := True);
procedure Set_Is_Raised (Id : E; V : B := True);
procedure Set_Is_Remote_Call_Interface (Id : E; V : B := True);
procedure Set_Is_Remote_Types (Id : E; V : B := True);
procedure Set_Is_Renaming_Of_Object (Id : E; V : B := True);
procedure Set_Is_Return_Object (Id : E; V : B := True);
procedure Set_Is_Safe_To_Reevaluate (Id : E; V : B := True);
procedure Set_Is_Shared_Passive (Id : E; V : B := True);
procedure Set_Is_Static_Type (Id : E; V : B := True);
procedure Set_Is_Statically_Allocated (Id : E; V : B := True);
procedure Set_Is_Tag (Id : E; V : B := True);
procedure Set_Is_Tagged_Type (Id : E; V : B := True);
procedure Set_Is_Thunk (Id : E; V : B := True);
procedure Set_Is_Trivial_Subprogram (Id : E; V : B := True);
procedure Set_Is_True_Constant (Id : E; V : B := True);
procedure Set_Is_Unchecked_Union (Id : E; V : B := True);
procedure Set_Is_Underlying_Record_View (Id : E; V : B := True);
procedure Set_Is_Unimplemented (Id : E; V : B := True);
procedure Set_Is_Unsigned_Type (Id : E; V : B := True);
procedure Set_Is_Valued_Procedure (Id : E; V : B := True);
procedure Set_Is_Visible_Formal (Id : E; V : B := True);
procedure Set_Is_Visible_Lib_Unit (Id : E; V : B := True);
procedure Set_Is_Volatile (Id : E; V : B := True);
procedure Set_Itype_Printed (Id : E; V : B := True);
procedure Set_Kill_Elaboration_Checks (Id : E; V : B := True);
procedure Set_Kill_Range_Checks (Id : E; V : B := True);
procedure Set_Known_To_Have_Preelab_Init (Id : E; V : B := True);
procedure Set_Last_Aggregate_Assignment (Id : E; V : N);
procedure Set_Last_Assignment (Id : E; V : N);
procedure Set_Last_Entity (Id : E; V : E);
procedure Set_Limited_View (Id : E; V : E);
procedure Set_Linker_Section_Pragma (Id : E; V : N);
procedure Set_Lit_Indexes (Id : E; V : E);
procedure Set_Lit_Strings (Id : E; V : E);
procedure Set_Low_Bound_Tested (Id : E; V : B := True);
procedure Set_Machine_Radix_10 (Id : E; V : B := True);
procedure Set_Master_Id (Id : E; V : E);
procedure Set_Materialize_Entity (Id : E; V : B := True);
procedure Set_May_Inherit_Delayed_Rep_Aspects (Id : E; V : B := True);
procedure Set_Mechanism (Id : E; V : M);
procedure Set_Modulus (Id : E; V : U);
procedure Set_Must_Be_On_Byte_Boundary (Id : E; V : B := True);
procedure Set_Must_Have_Preelab_Init (Id : E; V : B := True);
procedure Set_Needs_Debug_Info (Id : E; V : B := True);
procedure Set_Needs_No_Actuals (Id : E; V : B := True);
procedure Set_Never_Set_In_Source (Id : E; V : B := True);
procedure Set_Next_Inlined_Subprogram (Id : E; V : E);
procedure Set_No_Dynamic_Predicate_On_Actual (Id : E; V : B := True);
procedure Set_No_Pool_Assigned (Id : E; V : B := True);
procedure Set_No_Predicate_On_Actual (Id : E; V : B := True);
procedure Set_No_Return (Id : E; V : B := True);
procedure Set_No_Strict_Aliasing (Id : E; V : B := True);
procedure Set_No_Tagged_Streams_Pragma (Id : E; V : N);
procedure Set_Non_Binary_Modulus (Id : E; V : B := True);
procedure Set_Non_Limited_View (Id : E; V : E);
procedure Set_Nonzero_Is_True (Id : E; V : B := True);
procedure Set_Normalized_First_Bit (Id : E; V : U);
procedure Set_Normalized_Position (Id : E; V : U);
procedure Set_Normalized_Position_Max (Id : E; V : U);
procedure Set_OK_To_Rename (Id : E; V : B := True);
procedure Set_OK_To_Reorder_Components (Id : E; V : B := True);
procedure Set_Optimize_Alignment_Space (Id : E; V : B := True);
procedure Set_Optimize_Alignment_Time (Id : E; V : B := True);
procedure Set_Original_Access_Type (Id : E; V : E);
procedure Set_Original_Array_Type (Id : E; V : E);
procedure Set_Original_Record_Component (Id : E; V : E);
procedure Set_Overlays_Constant (Id : E; V : B := True);
procedure Set_Overridden_Operation (Id : E; V : E);
procedure Set_PPC_Wrapper (Id : E; V : E);
procedure Set_Package_Instantiation (Id : E; V : N);
procedure Set_Packed_Array_Impl_Type (Id : E; V : E);
procedure Set_Parent_Subtype (Id : E; V : E);
procedure Set_Part_Of_Constituents (Id : E; V : L);
procedure Set_Partial_View_Has_Unknown_Discr (Id : E; V : B := True);
procedure Set_Pending_Access_Types (Id : E; V : L);
procedure Set_Postconditions_Proc (Id : E; V : E);
procedure Set_Prival (Id : E; V : E);
procedure Set_Prival_Link (Id : E; V : E);
procedure Set_Private_Dependents (Id : E; V : L);
procedure Set_Private_View (Id : E; V : N);
procedure Set_Protected_Body_Subprogram (Id : E; V : E);
procedure Set_Protected_Formal (Id : E; V : E);
procedure Set_Protection_Object (Id : E; V : E);
procedure Set_RM_Size (Id : E; V : U);
procedure Set_Reachable (Id : E; V : B := True);
procedure Set_Referenced (Id : E; V : B := True);
procedure Set_Referenced_As_LHS (Id : E; V : B := True);
procedure Set_Referenced_As_Out_Parameter (Id : E; V : B := True);
procedure Set_Refinement_Constituents (Id : E; V : L);
procedure Set_Register_Exception_Call (Id : E; V : N);
procedure Set_Related_Array_Object (Id : E; V : E);
procedure Set_Related_Expression (Id : E; V : N);
procedure Set_Related_Instance (Id : E; V : E);
procedure Set_Related_Type (Id : E; V : E);
procedure Set_Relative_Deadline_Variable (Id : E; V : E);
procedure Set_Renamed_Entity (Id : E; V : N);
procedure Set_Renamed_In_Spec (Id : E; V : B := True);
procedure Set_Renamed_Object (Id : E; V : N);
procedure Set_Renaming_Map (Id : E; V : U);
procedure Set_Requires_Overriding (Id : E; V : B := True);
procedure Set_Return_Applies_To (Id : E; V : N);
procedure Set_Return_Present (Id : E; V : B := True);
procedure Set_Returns_By_Ref (Id : E; V : B := True);
procedure Set_Returns_Limited_View (Id : E; V : B := True);
procedure Set_Reverse_Bit_Order (Id : E; V : B := True);
procedure Set_Reverse_Storage_Order (Id : E; V : B := True);
procedure Set_Scalar_Range (Id : E; V : N);
procedure Set_Scale_Value (Id : E; V : U);
procedure Set_Scope_Depth_Value (Id : E; V : U);
procedure Set_Sec_Stack_Needed_For_Return (Id : E; V : B := True);
procedure Set_Shadow_Entities (Id : E; V : S);
procedure Set_Shared_Var_Procs_Instance (Id : E; V : E);
procedure Set_Size_Check_Code (Id : E; V : N);
procedure Set_Size_Depends_On_Discriminant (Id : E; V : B := True);
procedure Set_Size_Known_At_Compile_Time (Id : E; V : B := True);
procedure Set_Small_Value (Id : E; V : R);
procedure Set_SPARK_Aux_Pragma (Id : E; V : N);
procedure Set_SPARK_Aux_Pragma_Inherited (Id : E; V : B := True);
procedure Set_SPARK_Pragma (Id : E; V : N);
procedure Set_SPARK_Pragma_Inherited (Id : E; V : B := True);
procedure Set_Spec_Entity (Id : E; V : E);
procedure Set_SSO_Set_High_By_Default (Id : E; V : B := True);
procedure Set_SSO_Set_Low_By_Default (Id : E; V : B := True);
procedure Set_Static_Elaboration_Desired (Id : E; V : B);
procedure Set_Static_Initialization (Id : E; V : N);
procedure Set_Static_Discrete_Predicate (Id : E; V : S);
procedure Set_Static_Real_Or_String_Predicate (Id : E; V : N);
procedure Set_Status_Flag_Or_Transient_Decl (Id : E; V : E);
procedure Set_Storage_Size_Variable (Id : E; V : E);
procedure Set_Stored_Constraint (Id : E; V : L);
procedure Set_Stores_Attribute_Old_Prefix (Id : E; V : B := True);
procedure Set_Strict_Alignment (Id : E; V : B := True);
procedure Set_String_Literal_Length (Id : E; V : U);
procedure Set_String_Literal_Low_Bound (Id : E; V : N);
procedure Set_Subprograms_For_Type (Id : E; V : E);
procedure Set_Subps_Index (Id : E; V : U);
procedure Set_Suppress_Elaboration_Warnings (Id : E; V : B := True);
procedure Set_Suppress_Initialization (Id : E; V : B := True);
procedure Set_Suppress_Style_Checks (Id : E; V : B := True);
procedure Set_Suppress_Value_Tracking_On_Call (Id : E; V : B := True);
procedure Set_Task_Body_Procedure (Id : E; V : N);
procedure Set_Thunk_Entity (Id : E; V : E);
procedure Set_Treat_As_Volatile (Id : E; V : B := True);
procedure Set_Underlying_Full_View (Id : E; V : E);
procedure Set_Underlying_Record_View (Id : E; V : E);
procedure Set_Universal_Aliasing (Id : E; V : B := True);
procedure Set_Unset_Reference (Id : E; V : N);
procedure Set_Uplevel_Reference_Noted (Id : E; V : B := True);
procedure Set_Uplevel_References (Id : E; V : L);
procedure Set_Used_As_Generic_Actual (Id : E; V : B := True);
procedure Set_Uses_Lock_Free (Id : E; V : B := True);
procedure Set_Uses_Sec_Stack (Id : E; V : B := True);
procedure Set_Warnings_Off (Id : E; V : B := True);
procedure Set_Warnings_Off_Used (Id : E; V : B := True);
procedure Set_Warnings_Off_Used_Unmodified (Id : E; V : B := True);
procedure Set_Warnings_Off_Used_Unreferenced (Id : E; V : B := True);
procedure Set_Was_Hidden (Id : E; V : B := True);
procedure Set_Wrapped_Entity (Id : E; V : E);
---------------------------------------------------
-- Access to Subprograms in Subprograms_For_Type --
---------------------------------------------------
function Default_Init_Cond_Procedure (Id : E) return E;
function Invariant_Procedure (Id : E) return E;
function Predicate_Function (Id : E) return E;
function Predicate_Function_M (Id : E) return E;
procedure Set_Default_Init_Cond_Procedure (Id : E; V : E);
procedure Set_Invariant_Procedure (Id : E; V : E);
procedure Set_Predicate_Function (Id : E; V : E);
procedure Set_Predicate_Function_M (Id : E; V : E);
-----------------------------------
-- Field Initialization Routines --
-----------------------------------
-- These routines are overloadings of some of the above Set procedures
-- where the argument is normally a Uint. The overloadings take an Int
-- parameter instead, and appropriately convert it. There are also
-- versions that implicitly initialize to the appropriate "not set"
-- value. The not set (unknown) values are as follows:
-- Alignment Uint_0
-- Component_Size Uint_0
-- Component_Bit_Offset No_Uint
-- Digits_Value Uint_0
-- Esize Uint_0
-- Normalized_First_Bit No_Uint
-- Normalized_Position No_Uint
-- Normalized_Position_Max No_Uint
-- RM_Size Uint_0
-- It would be cleaner to use No_Uint in all these cases, but historically
-- we chose to use Uint_0 at first, and the change over will take time ???
-- This is particularly true for the RM_Size field, where a value of zero
-- is legitimate and causes some special tests around the code.
-- Contrary to the corresponding Set procedures above, these routines
-- do NOT check the entity kind of their argument, instead they set the
-- underlying Uint fields directly (this allows them to be used for
-- entities whose Ekind has not been set yet).
procedure Init_Alignment (Id : E; V : Int);
procedure Init_Component_Size (Id : E; V : Int);
procedure Init_Component_Bit_Offset (Id : E; V : Int);
procedure Init_Digits_Value (Id : E; V : Int);
procedure Init_Esize (Id : E; V : Int);
procedure Init_Normalized_First_Bit (Id : E; V : Int);
procedure Init_Normalized_Position (Id : E; V : Int);
procedure Init_Normalized_Position_Max (Id : E; V : Int);
procedure Init_RM_Size (Id : E; V : Int);
procedure Init_Alignment (Id : E);
procedure Init_Component_Size (Id : E);
procedure Init_Component_Bit_Offset (Id : E);
procedure Init_Digits_Value (Id : E);
procedure Init_Esize (Id : E);
procedure Init_Normalized_First_Bit (Id : E);
procedure Init_Normalized_Position (Id : E);
procedure Init_Normalized_Position_Max (Id : E);
procedure Init_RM_Size (Id : E);
procedure Init_Size_Align (Id : E);
-- This procedure initializes both size fields and the alignment
-- field to all be Unknown.
procedure Init_Object_Size_Align (Id : E);
-- Same as Init_Size_Align except RM_Size field (which is only for types)
-- is unaffected.
procedure Init_Size (Id : E; V : Int);
-- Initialize both the Esize and RM_Size fields of E to V
procedure Init_Component_Location (Id : E);
-- Initializes all fields describing the location of a component
-- (Normalized_Position, Component_Bit_Offset, Normalized_First_Bit,
-- Normalized_Position_Max, Esize) to all be Unknown.
---------------
-- Iterators --
---------------
-- The call to Next_xxx (obj) is equivalent to obj := Next_xxx (obj)
-- We define the set of Proc_Next_xxx routines simply for the purposes
-- of inlining them without necessarily inlining the function.
procedure Proc_Next_Component (N : in out Node_Id);
procedure Proc_Next_Component_Or_Discriminant (N : in out Node_Id);
procedure Proc_Next_Discriminant (N : in out Node_Id);
procedure Proc_Next_Formal (N : in out Node_Id);
procedure Proc_Next_Formal_With_Extras (N : in out Node_Id);
procedure Proc_Next_Index (N : in out Node_Id);
procedure Proc_Next_Inlined_Subprogram (N : in out Node_Id);
procedure Proc_Next_Literal (N : in out Node_Id);
procedure Proc_Next_Stored_Discriminant (N : in out Node_Id);
pragma Inline (Proc_Next_Component);
pragma Inline (Proc_Next_Component_Or_Discriminant);
pragma Inline (Proc_Next_Discriminant);
pragma Inline (Proc_Next_Formal);
pragma Inline (Proc_Next_Formal_With_Extras);
pragma Inline (Proc_Next_Index);
pragma Inline (Proc_Next_Inlined_Subprogram);
pragma Inline (Proc_Next_Literal);
pragma Inline (Proc_Next_Stored_Discriminant);
procedure Next_Component (N : in out Node_Id)
renames Proc_Next_Component;
procedure Next_Component_Or_Discriminant (N : in out Node_Id)
renames Proc_Next_Component_Or_Discriminant;
procedure Next_Discriminant (N : in out Node_Id)
renames Proc_Next_Discriminant;
procedure Next_Formal (N : in out Node_Id)
renames Proc_Next_Formal;
procedure Next_Formal_With_Extras (N : in out Node_Id)
renames Proc_Next_Formal_With_Extras;
procedure Next_Index (N : in out Node_Id)
renames Proc_Next_Index;
procedure Next_Inlined_Subprogram (N : in out Node_Id)
renames Proc_Next_Inlined_Subprogram;
procedure Next_Literal (N : in out Node_Id)
renames Proc_Next_Literal;
procedure Next_Stored_Discriminant (N : in out Node_Id)
renames Proc_Next_Stored_Discriminant;
---------------------------
-- Testing Warning Flags --
---------------------------
-- These routines are to be used rather than testing flags Warnings_Off,
-- Has_Pragma_Unmodified, Has_Pragma_Unreferenced. They deal with setting
-- the flags Warnings_Off_Used[_Unmodified|Unreferenced] for later access.
function Has_Warnings_Off (E : Entity_Id) return Boolean;
-- If Warnings_Off is set on E, then returns True and also sets the flag
-- Warnings_Off_Used on E. If Warnings_Off is not set on E, returns False
-- and has no side effect.
function Has_Unmodified (E : Entity_Id) return Boolean;
-- If flag Has_Pragma_Unmodified is set on E, returns True with no side
-- effects. Otherwise if Warnings_Off is set on E, returns True and also
-- sets the flag Warnings_Off_Used_Unmodified on E. If neither of the flags
-- Warnings_Off nor Has_Pragma_Unmodified is set, returns False with no
-- side effects.
function Has_Unreferenced (E : Entity_Id) return Boolean;
-- If flag Has_Pragma_Unreferenced is set on E, returns True with no side
-- effects. Otherwise if Warnings_Off is set on E, returns True and also
-- sets the flag Warnings_Off_Used_Unreferenced on E. If neither of the
-- flags Warnings_Off nor Has_Pragma_Unreferenced is set, returns False
-- with no side effects.
----------------------------------------------
-- Subprograms for Accessing Rep Item Chain --
----------------------------------------------
-- The First_Rep_Item field of every entity points to a linked list (linked
-- through Next_Rep_Item) of representation pragmas, attribute definition
-- clauses, representation clauses, and aspect specifications that apply to
-- the item. Note that in the case of types, it is assumed that any such
-- rep items for a base type also apply to all subtypes. This is achieved
-- by having the chain for subtypes link onto the chain for the base type,
-- so that new entries for the subtype are added at the start of the chain.
--
-- Note: aspect specification nodes are linked only when evaluation of the
-- expression is deferred to the freeze point. For further details see
-- Sem_Ch13.Analyze_Aspect_Specifications.
function Get_Attribute_Definition_Clause
(E : Entity_Id;
Id : Attribute_Id) return Node_Id;
-- Searches the Rep_Item chain for a given entity E, for an instance of an
-- attribute definition clause with the given attribute Id. If found, the
-- value returned is the N_Attribute_Definition_Clause node, otherwise
-- Empty is returned.
function Get_Pragma (E : Entity_Id; Id : Pragma_Id) return Node_Id;
-- Searches the Rep_Item chain of entity E, for an instance of a pragma
-- with the given pragma Id. If found, the value returned is the N_Pragma
-- node, otherwise Empty is returned. The following contract pragmas that
-- appear in N_Contract nodes are also handled by this routine:
-- Abstract_State
-- Async_Readers
-- Async_Writers
-- Contract_Cases
-- Depends
-- Effective_Reads
-- Effective_Writes
-- Global
-- Initial_Condition
-- Initializes
-- Part_Of
-- Precondition
-- Postcondition
-- Refined_Depends
-- Refined_Global
-- Refined_Post
-- Refined_State
-- Test_Case
function Get_Record_Representation_Clause (E : Entity_Id) return Node_Id;
-- Searches the Rep_Item chain for a given entity E, for a record
-- representation clause, and if found, returns it. Returns Empty
-- if no such clause is found.
function Present_In_Rep_Item (E : Entity_Id; N : Node_Id) return Boolean;
-- Return True if N is present in the Rep_Item chain for a given entity E
procedure Record_Rep_Item (E : Entity_Id; N : Node_Id);
-- N is the node for a representation pragma, representation clause, an
-- attribute definition clause, or an aspect specification that applies to
-- entity E. This procedure links the node N onto the Rep_Item chain for
-- entity E. Note that it is an error to call this procedure with E being
-- overloadable, and N being a pragma that applies to multiple overloadable
-- entities (Convention, Interface, Inline, Inline_Always, Import, Export,
-- External). This is not allowed even in the case where the entity is not
-- overloaded, since we can't rely on it being present in the overloaded
-- case, it is not useful to have it present in the non-overloaded case.
-------------------------------
-- Miscellaneous Subprograms --
-------------------------------
procedure Append_Entity (Id : Entity_Id; V : Entity_Id);
-- Add an entity to the list of entities declared in the scope V
function Get_Full_View (T : Entity_Id) return Entity_Id;
-- If T is an incomplete type and the full declaration has been seen, or
-- is the name of a class_wide type whose root is incomplete, return the
-- corresponding full declaration, else return T itself.
function Is_Entity_Name (N : Node_Id) return Boolean;
-- Test if the node N is the name of an entity (i.e. is an identifier,
-- expanded name, or an attribute reference that returns an entity).
function Next_Index (Id : Node_Id) return Node_Id;
-- Given an index from a previous call to First_Index or Next_Index,
-- returns a node representing the occurrence of the next index subtype,
-- or Empty if there are no more index subtypes.
function Scope_Depth (Id : Entity_Id) return Uint;
-- Returns the scope depth value of the Id, unless the Id is a record
-- type, in which case it returns the scope depth of the record scope.
function Subtype_Kind (K : Entity_Kind) return Entity_Kind;
-- Given an entity_kind K this function returns the entity_kind
-- corresponding to subtype kind of the type represented by K. For
-- example if K is E_Signed_Integer_Type then E_Signed_Integer_Subtype
-- is returned. If K is already a subtype kind it itself is returned. An
-- internal error is generated if no such correspondence exists for K.
----------------------------------
-- Debugging Output Subprograms --
----------------------------------
procedure Write_Entity_Flags (Id : Entity_Id; Prefix : String);
-- Writes a series of entries giving a line for each flag that is
-- set to True. Each line is prefixed by the given string
procedure Write_Entity_Info (Id : Entity_Id; Prefix : String);
-- A debugging procedure to write out information about an entity
procedure Write_Field6_Name (Id : Entity_Id);
procedure Write_Field7_Name (Id : Entity_Id);
procedure Write_Field8_Name (Id : Entity_Id);
procedure Write_Field9_Name (Id : Entity_Id);
procedure Write_Field10_Name (Id : Entity_Id);
procedure Write_Field11_Name (Id : Entity_Id);
procedure Write_Field12_Name (Id : Entity_Id);
procedure Write_Field13_Name (Id : Entity_Id);
procedure Write_Field14_Name (Id : Entity_Id);
procedure Write_Field15_Name (Id : Entity_Id);
procedure Write_Field16_Name (Id : Entity_Id);
procedure Write_Field17_Name (Id : Entity_Id);
procedure Write_Field18_Name (Id : Entity_Id);
procedure Write_Field19_Name (Id : Entity_Id);
procedure Write_Field20_Name (Id : Entity_Id);
procedure Write_Field21_Name (Id : Entity_Id);
procedure Write_Field22_Name (Id : Entity_Id);
procedure Write_Field23_Name (Id : Entity_Id);
procedure Write_Field24_Name (Id : Entity_Id);
procedure Write_Field25_Name (Id : Entity_Id);
procedure Write_Field26_Name (Id : Entity_Id);
procedure Write_Field27_Name (Id : Entity_Id);
procedure Write_Field28_Name (Id : Entity_Id);
procedure Write_Field29_Name (Id : Entity_Id);
procedure Write_Field30_Name (Id : Entity_Id);
procedure Write_Field31_Name (Id : Entity_Id);
procedure Write_Field32_Name (Id : Entity_Id);
procedure Write_Field33_Name (Id : Entity_Id);
procedure Write_Field34_Name (Id : Entity_Id);
procedure Write_Field35_Name (Id : Entity_Id);
procedure Write_Field36_Name (Id : Entity_Id);
procedure Write_Field37_Name (Id : Entity_Id);
procedure Write_Field38_Name (Id : Entity_Id);
procedure Write_Field39_Name (Id : Entity_Id);
procedure Write_Field40_Name (Id : Entity_Id);
procedure Write_Field41_Name (Id : Entity_Id);
-- These routines are used in Treepr to output a nice symbolic name for
-- the given field, depending on the Ekind. No blanks or end of lines are
-- output, just the characters of the field name.
--------------------
-- Inline Pragmas --
--------------------
-- Note that these inline pragmas are referenced by the XEINFO utility
-- program in preparing the corresponding C header, and only those
-- subprograms meeting the requirements documented in the section on
-- XEINFO may be referenced in this section.
pragma Inline (Abstract_States);
pragma Inline (Accept_Address);
pragma Inline (Access_Disp_Table);
pragma Inline (Activation_Record_Component);
pragma Inline (Actual_Subtype);
pragma Inline (Address_Taken);
pragma Inline (Alias);
pragma Inline (Alignment);
pragma Inline (Associated_Formal_Package);
pragma Inline (Associated_Node_For_Itype);
pragma Inline (Associated_Storage_Pool);
pragma Inline (Barrier_Function);
pragma Inline (Block_Node);
pragma Inline (Body_Entity);
pragma Inline (Body_Needed_For_SAL);
pragma Inline (Body_References);
pragma Inline (BIP_Initialization_Call);
pragma Inline (CR_Discriminant);
pragma Inline (C_Pass_By_Copy);
pragma Inline (Can_Never_Be_Null);
pragma Inline (Can_Use_Internal_Rep);
pragma Inline (Checks_May_Be_Suppressed);
pragma Inline (Class_Wide_Type);
pragma Inline (Cloned_Subtype);
pragma Inline (Component_Bit_Offset);
pragma Inline (Component_Clause);
pragma Inline (Component_Size);
pragma Inline (Component_Type);
pragma Inline (Contains_Ignored_Ghost_Code);
pragma Inline (Contract);
pragma Inline (Corresponding_Concurrent_Type);
pragma Inline (Corresponding_Discriminant);
pragma Inline (Corresponding_Equality);
pragma Inline (Corresponding_Protected_Entry);
pragma Inline (Corresponding_Record_Type);
pragma Inline (Corresponding_Remote_Type);
pragma Inline (Current_Use_Clause);
pragma Inline (Current_Value);
pragma Inline (DTC_Entity);
pragma Inline (DT_Entry_Count);
pragma Inline (DT_Offset_To_Top_Func);
pragma Inline (DT_Position);
pragma Inline (Debug_Info_Off);
pragma Inline (Debug_Renaming_Link);
pragma Inline (Default_Aspect_Component_Value);
pragma Inline (Default_Aspect_Value);
pragma Inline (Default_Expr_Function);
pragma Inline (Default_Expressions_Processed);
pragma Inline (Default_Value);
pragma Inline (Delay_Cleanups);
pragma Inline (Delay_Subprogram_Descriptors);
pragma Inline (Delta_Value);
pragma Inline (Dependent_Instances);
pragma Inline (Depends_On_Private);
pragma Inline (Derived_Type_Link);
pragma Inline (Digits_Value);
pragma Inline (Direct_Primitive_Operations);
pragma Inline (Directly_Designated_Type);
pragma Inline (Discard_Names);
pragma Inline (Discriminal);
pragma Inline (Discriminal_Link);
pragma Inline (Discriminant_Checking_Func);
pragma Inline (Discriminant_Constraint);
pragma Inline (Discriminant_Default_Value);
pragma Inline (Discriminant_Number);
pragma Inline (Dispatch_Table_Wrappers);
pragma Inline (Elaborate_Body_Desirable);
pragma Inline (Elaboration_Entity);
pragma Inline (Elaboration_Entity_Required);
pragma Inline (Encapsulating_State);
pragma Inline (Enclosing_Scope);
pragma Inline (Entry_Accepted);
pragma Inline (Entry_Bodies_Array);
pragma Inline (Entry_Cancel_Parameter);
pragma Inline (Entry_Component);
pragma Inline (Entry_Formal);
pragma Inline (Entry_Index_Constant);
pragma Inline (Entry_Index_Type);
pragma Inline (Entry_Parameters_Type);
pragma Inline (Enum_Pos_To_Rep);
pragma Inline (Enumeration_Pos);
pragma Inline (Enumeration_Rep);
pragma Inline (Enumeration_Rep_Expr);
pragma Inline (Equivalent_Type);
pragma Inline (Esize);
pragma Inline (Extra_Accessibility);
pragma Inline (Extra_Accessibility_Of_Result);
pragma Inline (Extra_Constrained);
pragma Inline (Extra_Formal);
pragma Inline (Extra_Formals);
pragma Inline (Finalization_Master);
pragma Inline (Finalizer);
pragma Inline (First_Entity);
pragma Inline (First_Exit_Statement);
pragma Inline (First_Index);
pragma Inline (First_Literal);
pragma Inline (First_Private_Entity);
pragma Inline (First_Rep_Item);
pragma Inline (Freeze_Node);
pragma Inline (From_Limited_With);
pragma Inline (Full_View);
pragma Inline (Generic_Homonym);
pragma Inline (Generic_Renamings);
pragma Inline (Handler_Records);
pragma Inline (Has_Aliased_Components);
pragma Inline (Has_Alignment_Clause);
pragma Inline (Has_All_Calls_Remote);
pragma Inline (Has_Anonymous_Master);
pragma Inline (Has_Atomic_Components);
pragma Inline (Has_Biased_Representation);
pragma Inline (Has_Completion);
pragma Inline (Has_Completion_In_Body);
pragma Inline (Has_Complex_Representation);
pragma Inline (Has_Component_Size_Clause);
pragma Inline (Has_Constrained_Partial_View);
pragma Inline (Has_Contiguous_Rep);
pragma Inline (Has_Controlled_Component);
pragma Inline (Has_Controlling_Result);
pragma Inline (Has_Convention_Pragma);
pragma Inline (Has_Default_Aspect);
pragma Inline (Has_Default_Init_Cond);
pragma Inline (Has_Delayed_Aspects);
pragma Inline (Has_Delayed_Freeze);
pragma Inline (Has_Delayed_Rep_Aspects);
pragma Inline (Has_Discriminants);
pragma Inline (Has_Dispatch_Table);
pragma Inline (Has_Dynamic_Predicate_Aspect);
pragma Inline (Has_Enumeration_Rep_Clause);
pragma Inline (Has_Exit);
pragma Inline (Has_Expanded_Contract);
pragma Inline (Has_Forward_Instantiation);
pragma Inline (Has_Fully_Qualified_Name);
pragma Inline (Has_Gigi_Rep_Item);
pragma Inline (Has_Homonym);
pragma Inline (Has_Implicit_Dereference);
pragma Inline (Has_Independent_Components);
pragma Inline (Has_Inheritable_Invariants);
pragma Inline (Has_Inherited_Default_Init_Cond);
pragma Inline (Has_Initial_Value);
pragma Inline (Has_Invariants);
pragma Inline (Has_Loop_Entry_Attributes);
pragma Inline (Has_Machine_Radix_Clause);
pragma Inline (Has_Master_Entity);
pragma Inline (Has_Missing_Return);
pragma Inline (Has_Nested_Block_With_Handler);
pragma Inline (Has_Nested_Subprogram);
pragma Inline (Has_Non_Standard_Rep);
pragma Inline (Has_Object_Size_Clause);
pragma Inline (Has_Out_Or_In_Out_Parameter);
pragma Inline (Has_Per_Object_Constraint);
pragma Inline (Has_Pragma_Controlled);
pragma Inline (Has_Pragma_Elaborate_Body);
pragma Inline (Has_Pragma_Inline);
pragma Inline (Has_Pragma_Inline_Always);
pragma Inline (Has_Pragma_No_Inline);
pragma Inline (Has_Pragma_Ordered);
pragma Inline (Has_Pragma_Pack);
pragma Inline (Has_Pragma_Preelab_Init);
pragma Inline (Has_Pragma_Pure);
pragma Inline (Has_Pragma_Pure_Function);
pragma Inline (Has_Pragma_Thread_Local_Storage);
pragma Inline (Has_Pragma_Unmodified);
pragma Inline (Has_Pragma_Unreferenced);
pragma Inline (Has_Pragma_Unreferenced_Objects);
pragma Inline (Has_Predicates);
pragma Inline (Has_Primitive_Operations);
pragma Inline (Has_Private_Ancestor);
pragma Inline (Has_Private_Declaration);
pragma Inline (Has_Protected);
pragma Inline (Has_Qualified_Name);
pragma Inline (Has_RACW);
pragma Inline (Has_Record_Rep_Clause);
pragma Inline (Has_Recursive_Call);
pragma Inline (Has_Shift_Operator);
pragma Inline (Has_Size_Clause);
pragma Inline (Has_Small_Clause);
pragma Inline (Has_Specified_Layout);
pragma Inline (Has_Specified_Stream_Input);
pragma Inline (Has_Specified_Stream_Output);
pragma Inline (Has_Specified_Stream_Read);
pragma Inline (Has_Specified_Stream_Write);
pragma Inline (Has_Static_Discriminants);
pragma Inline (Has_Static_Predicate);
pragma Inline (Has_Static_Predicate_Aspect);
pragma Inline (Has_Storage_Size_Clause);
pragma Inline (Has_Stream_Size_Clause);
pragma Inline (Has_Task);
pragma Inline (Has_Thunks);
pragma Inline (Has_Unchecked_Union);
pragma Inline (Has_Unknown_Discriminants);
pragma Inline (Has_Uplevel_Reference);
pragma Inline (Has_Visible_Refinement);
pragma Inline (Has_Volatile_Components);
pragma Inline (Has_Xref_Entry);
pragma Inline (Hiding_Loop_Variable);
pragma Inline (Homonym);
pragma Inline (Import_Pragma);
pragma Inline (In_Package_Body);
pragma Inline (In_Private_Part);
pragma Inline (In_Use);
pragma Inline (Inner_Instances);
pragma Inline (Interface_Alias);
pragma Inline (Interface_Name);
pragma Inline (Interfaces);
pragma Inline (Is_Abstract_Subprogram);
pragma Inline (Is_Abstract_Type);
pragma Inline (Is_Access_Constant);
pragma Inline (Is_Access_Protected_Subprogram_Type);
pragma Inline (Is_Access_Subprogram_Type);
pragma Inline (Is_Access_Type);
pragma Inline (Is_Ada_2005_Only);
pragma Inline (Is_Ada_2012_Only);
pragma Inline (Is_Aggregate_Type);
pragma Inline (Is_Aliased);
pragma Inline (Is_Array_Type);
pragma Inline (Is_Assignable);
pragma Inline (Is_Asynchronous);
pragma Inline (Is_Atomic);
pragma Inline (Is_Bit_Packed_Array);
pragma Inline (Is_CPP_Class);
pragma Inline (Is_Called);
pragma Inline (Is_Character_Type);
pragma Inline (Is_Checked_Ghost_Entity);
pragma Inline (Is_Child_Unit);
pragma Inline (Is_Class_Wide_Equivalent_Type);
pragma Inline (Is_Class_Wide_Type);
pragma Inline (Is_Compilation_Unit);
pragma Inline (Is_Completely_Hidden);
pragma Inline (Is_Composite_Type);
pragma Inline (Is_Concurrent_Body);
pragma Inline (Is_Concurrent_Record_Type);
pragma Inline (Is_Concurrent_Type);
pragma Inline (Is_Constr_Subt_For_UN_Aliased);
pragma Inline (Is_Constr_Subt_For_U_Nominal);
pragma Inline (Is_Constrained);
pragma Inline (Is_Constructor);
pragma Inline (Is_Controlled);
pragma Inline (Is_Controlling_Formal);
pragma Inline (Is_Decimal_Fixed_Point_Type);
pragma Inline (Is_Default_Init_Cond_Procedure);
pragma Inline (Is_Descendent_Of_Address);
pragma Inline (Is_Digits_Type);
pragma Inline (Is_Discrete_Or_Fixed_Point_Type);
pragma Inline (Is_Discrete_Type);
pragma Inline (Is_Discrim_SO_Function);
pragma Inline (Is_Discriminant_Check_Function);
pragma Inline (Is_Dispatch_Table_Entity);
pragma Inline (Is_Dispatching_Operation);
pragma Inline (Is_Elementary_Type);
pragma Inline (Is_Eliminated);
pragma Inline (Is_Entry);
pragma Inline (Is_Entry_Formal);
pragma Inline (Is_Enumeration_Type);
pragma Inline (Is_Exported);
pragma Inline (Is_First_Subtype);
pragma Inline (Is_Fixed_Point_Type);
pragma Inline (Is_Floating_Point_Type);
pragma Inline (Is_For_Access_Subtype);
pragma Inline (Is_Formal);
pragma Inline (Is_Formal_Object);
pragma Inline (Is_Formal_Subprogram);
pragma Inline (Is_Frozen);
pragma Inline (Is_Generic_Actual_Subprogram);
pragma Inline (Is_Generic_Actual_Type);
pragma Inline (Is_Generic_Instance);
pragma Inline (Is_Generic_Subprogram);
pragma Inline (Is_Generic_Type);
pragma Inline (Is_Generic_Unit);
pragma Inline (Is_Hidden);
pragma Inline (Is_Hidden_Non_Overridden_Subpgm);
pragma Inline (Is_Hidden_Open_Scope);
pragma Inline (Is_Ignored_Ghost_Entity);
pragma Inline (Is_Immediately_Visible);
pragma Inline (Is_Implementation_Defined);
pragma Inline (Is_Imported);
pragma Inline (Is_Incomplete_Or_Private_Type);
pragma Inline (Is_Incomplete_Type);
pragma Inline (Is_Independent);
pragma Inline (Is_Inlined);
pragma Inline (Is_Inlined_Always);
pragma Inline (Is_Instantiated);
pragma Inline (Is_Integer_Type);
pragma Inline (Is_Interface);
pragma Inline (Is_Internal);
pragma Inline (Is_Interrupt_Handler);
pragma Inline (Is_Intrinsic_Subprogram);
pragma Inline (Is_Invariant_Procedure);
pragma Inline (Is_Itype);
pragma Inline (Is_Known_Non_Null);
pragma Inline (Is_Known_Null);
pragma Inline (Is_Known_Valid);
pragma Inline (Is_Limited_Composite);
pragma Inline (Is_Limited_Interface);
pragma Inline (Is_Limited_Record);
pragma Inline (Is_Local_Anonymous_Access);
pragma Inline (Is_Machine_Code_Subprogram);
pragma Inline (Is_Modular_Integer_Type);
pragma Inline (Is_Named_Number);
pragma Inline (Is_Non_Static_Subtype);
pragma Inline (Is_Null_Init_Proc);
pragma Inline (Is_Numeric_Type);
pragma Inline (Is_Object);
pragma Inline (Is_Obsolescent);
pragma Inline (Is_Only_Out_Parameter);
pragma Inline (Is_Ordinary_Fixed_Point_Type);
pragma Inline (Is_Overloadable);
pragma Inline (Is_Package_Body_Entity);
pragma Inline (Is_Packed);
pragma Inline (Is_Packed_Array_Impl_Type);
pragma Inline (Is_Potentially_Use_Visible);
pragma Inline (Is_Predicate_Function);
pragma Inline (Is_Predicate_Function_M);
pragma Inline (Is_Preelaborated);
pragma Inline (Is_Primitive);
pragma Inline (Is_Primitive_Wrapper);
pragma Inline (Is_Private_Composite);
pragma Inline (Is_Private_Descendant);
pragma Inline (Is_Private_Primitive);
pragma Inline (Is_Private_Type);
pragma Inline (Is_Processed_Transient);
pragma Inline (Is_Protected_Type);
pragma Inline (Is_Public);
pragma Inline (Is_Pure);
pragma Inline (Is_Pure_Unit_Access_Type);
pragma Inline (Is_RACW_Stub_Type);
pragma Inline (Is_Raised);
pragma Inline (Is_Real_Type);
pragma Inline (Is_Record_Type);
pragma Inline (Is_Remote_Call_Interface);
pragma Inline (Is_Remote_Types);
pragma Inline (Is_Renaming_Of_Object);
pragma Inline (Is_Return_Object);
pragma Inline (Is_Safe_To_Reevaluate);
pragma Inline (Is_Scalar_Type);
pragma Inline (Is_Shared_Passive);
pragma Inline (Is_Signed_Integer_Type);
pragma Inline (Is_Static_Type);
pragma Inline (Is_Statically_Allocated);
pragma Inline (Is_Subprogram);
pragma Inline (Is_Tag);
pragma Inline (Is_Tagged_Type);
pragma Inline (Is_Task_Type);
pragma Inline (Is_Thunk);
pragma Inline (Is_Trivial_Subprogram);
pragma Inline (Is_True_Constant);
pragma Inline (Is_Type);
pragma Inline (Is_Unchecked_Union);
pragma Inline (Is_Underlying_Record_View);
pragma Inline (Is_Unimplemented);
pragma Inline (Is_Unsigned_Type);
pragma Inline (Is_Valued_Procedure);
pragma Inline (Is_Visible_Formal);
pragma Inline (Is_Visible_Lib_Unit);
pragma Inline (Itype_Printed);
pragma Inline (Kill_Elaboration_Checks);
pragma Inline (Kill_Range_Checks);
pragma Inline (Known_To_Have_Preelab_Init);
pragma Inline (Last_Aggregate_Assignment);
pragma Inline (Last_Assignment);
pragma Inline (Last_Entity);
pragma Inline (Limited_View);
pragma Inline (Linker_Section_Pragma);
pragma Inline (Lit_Indexes);
pragma Inline (Lit_Strings);
pragma Inline (Low_Bound_Tested);
pragma Inline (Machine_Radix_10);
pragma Inline (Master_Id);
pragma Inline (Materialize_Entity);
pragma Inline (May_Inherit_Delayed_Rep_Aspects);
pragma Inline (Mechanism);
pragma Inline (Modulus);
pragma Inline (Must_Be_On_Byte_Boundary);
pragma Inline (Must_Have_Preelab_Init);
pragma Inline (Needs_Debug_Info);
pragma Inline (Needs_No_Actuals);
pragma Inline (Never_Set_In_Source);
pragma Inline (Next_Index);
pragma Inline (Next_Inlined_Subprogram);
pragma Inline (Next_Literal);
pragma Inline (No_Dynamic_Predicate_On_Actual);
pragma Inline (No_Pool_Assigned);
pragma Inline (No_Predicate_On_Actual);
pragma Inline (No_Return);
pragma Inline (No_Strict_Aliasing);
pragma Inline (No_Tagged_Streams_Pragma);
pragma Inline (Non_Binary_Modulus);
pragma Inline (Non_Limited_View);
pragma Inline (Nonzero_Is_True);
pragma Inline (Normalized_First_Bit);
pragma Inline (Normalized_Position);
pragma Inline (Normalized_Position_Max);
pragma Inline (OK_To_Rename);
pragma Inline (OK_To_Reorder_Components);
pragma Inline (Optimize_Alignment_Space);
pragma Inline (Optimize_Alignment_Time);
pragma Inline (Original_Access_Type);
pragma Inline (Original_Array_Type);
pragma Inline (Original_Record_Component);
pragma Inline (Overlays_Constant);
pragma Inline (Overridden_Operation);
pragma Inline (PPC_Wrapper);
pragma Inline (Package_Instantiation);
pragma Inline (Packed_Array_Impl_Type);
pragma Inline (Parameter_Mode);
pragma Inline (Parent_Subtype);
pragma Inline (Part_Of_Constituents);
pragma Inline (Partial_View_Has_Unknown_Discr);
pragma Inline (Pending_Access_Types);
pragma Inline (Postconditions_Proc);
pragma Inline (Prival);
pragma Inline (Prival_Link);
pragma Inline (Private_Dependents);
pragma Inline (Private_View);
pragma Inline (Protected_Body_Subprogram);
pragma Inline (Protected_Formal);
pragma Inline (Protection_Object);
pragma Inline (RM_Size);
pragma Inline (Reachable);
pragma Inline (Referenced);
pragma Inline (Referenced_As_LHS);
pragma Inline (Referenced_As_Out_Parameter);
pragma Inline (Refinement_Constituents);
pragma Inline (Register_Exception_Call);
pragma Inline (Related_Array_Object);
pragma Inline (Related_Expression);
pragma Inline (Related_Instance);
pragma Inline (Related_Type);
pragma Inline (Relative_Deadline_Variable);
pragma Inline (Renamed_Entity);
pragma Inline (Renamed_In_Spec);
pragma Inline (Renamed_Object);
pragma Inline (Renaming_Map);
pragma Inline (Requires_Overriding);
pragma Inline (Return_Applies_To);
pragma Inline (Return_Present);
pragma Inline (Returns_By_Ref);
pragma Inline (Returns_Limited_View);
pragma Inline (Reverse_Bit_Order);
pragma Inline (Reverse_Storage_Order);
pragma Inline (Scalar_Range);
pragma Inline (Scale_Value);
pragma Inline (Scope_Depth_Value);
pragma Inline (Sec_Stack_Needed_For_Return);
pragma Inline (Shadow_Entities);
pragma Inline (Shared_Var_Procs_Instance);
pragma Inline (Size_Check_Code);
pragma Inline (Size_Depends_On_Discriminant);
pragma Inline (Size_Known_At_Compile_Time);
pragma Inline (Small_Value);
pragma Inline (SPARK_Aux_Pragma);
pragma Inline (SPARK_Aux_Pragma_Inherited);
pragma Inline (SPARK_Pragma);
pragma Inline (SPARK_Pragma_Inherited);
pragma Inline (Spec_Entity);
pragma Inline (SSO_Set_High_By_Default);
pragma Inline (SSO_Set_Low_By_Default);
pragma Inline (Static_Elaboration_Desired);
pragma Inline (Static_Initialization);
pragma Inline (Static_Discrete_Predicate);
pragma Inline (Static_Real_Or_String_Predicate);
pragma Inline (Status_Flag_Or_Transient_Decl);
pragma Inline (Storage_Size_Variable);
pragma Inline (Stored_Constraint);
pragma Inline (Stores_Attribute_Old_Prefix);
pragma Inline (Strict_Alignment);
pragma Inline (String_Literal_Length);
pragma Inline (String_Literal_Low_Bound);
pragma Inline (Subprograms_For_Type);
pragma Inline (Subps_Index);
pragma Inline (Suppress_Elaboration_Warnings);
pragma Inline (Suppress_Initialization);
pragma Inline (Suppress_Style_Checks);
pragma Inline (Suppress_Value_Tracking_On_Call);
pragma Inline (Task_Body_Procedure);
pragma Inline (Thunk_Entity);
pragma Inline (Treat_As_Volatile);
pragma Inline (Underlying_Full_View);
pragma Inline (Underlying_Record_View);
pragma Inline (Universal_Aliasing);
pragma Inline (Unset_Reference);
pragma Inline (Uplevel_Reference_Noted);
pragma Inline (Uplevel_References);
pragma Inline (Used_As_Generic_Actual);
pragma Inline (Uses_Lock_Free);
pragma Inline (Uses_Sec_Stack);
pragma Inline (Warnings_Off);
pragma Inline (Warnings_Off_Used);
pragma Inline (Warnings_Off_Used_Unmodified);
pragma Inline (Warnings_Off_Used_Unreferenced);
pragma Inline (Was_Hidden);
pragma Inline (Wrapped_Entity);
pragma Inline (Init_Alignment);
pragma Inline (Init_Component_Bit_Offset);
pragma Inline (Init_Component_Size);
pragma Inline (Init_Digits_Value);
pragma Inline (Init_Esize);
pragma Inline (Init_RM_Size);
pragma Inline (Set_Abstract_States);
pragma Inline (Set_Accept_Address);
pragma Inline (Set_Access_Disp_Table);
pragma Inline (Set_Activation_Record_Component);
pragma Inline (Set_Actual_Subtype);
pragma Inline (Set_Address_Taken);
pragma Inline (Set_Alias);
pragma Inline (Set_Alignment);
pragma Inline (Set_Associated_Formal_Package);
pragma Inline (Set_Associated_Node_For_Itype);
pragma Inline (Set_Associated_Storage_Pool);
pragma Inline (Set_Barrier_Function);
pragma Inline (Set_Block_Node);
pragma Inline (Set_Body_Entity);
pragma Inline (Set_Body_Needed_For_SAL);
pragma Inline (Set_Body_References);
pragma Inline (Set_BIP_Initialization_Call);
pragma Inline (Set_CR_Discriminant);
pragma Inline (Set_C_Pass_By_Copy);
pragma Inline (Set_Can_Never_Be_Null);
pragma Inline (Set_Can_Use_Internal_Rep);
pragma Inline (Set_Checks_May_Be_Suppressed);
pragma Inline (Set_Class_Wide_Type);
pragma Inline (Set_Cloned_Subtype);
pragma Inline (Set_Component_Bit_Offset);
pragma Inline (Set_Component_Clause);
pragma Inline (Set_Component_Size);
pragma Inline (Set_Component_Type);
pragma Inline (Set_Contains_Ignored_Ghost_Code);
pragma Inline (Set_Contract);
pragma Inline (Set_Corresponding_Concurrent_Type);
pragma Inline (Set_Corresponding_Discriminant);
pragma Inline (Set_Corresponding_Equality);
pragma Inline (Set_Corresponding_Protected_Entry);
pragma Inline (Set_Corresponding_Record_Type);
pragma Inline (Set_Corresponding_Remote_Type);
pragma Inline (Set_Current_Use_Clause);
pragma Inline (Set_Current_Value);
pragma Inline (Set_DTC_Entity);
pragma Inline (Set_DT_Entry_Count);
pragma Inline (Set_DT_Offset_To_Top_Func);
pragma Inline (Set_DT_Position);
pragma Inline (Set_Debug_Info_Off);
pragma Inline (Set_Debug_Renaming_Link);
pragma Inline (Set_Default_Aspect_Component_Value);
pragma Inline (Set_Default_Aspect_Value);
pragma Inline (Set_Default_Expr_Function);
pragma Inline (Set_Default_Expressions_Processed);
pragma Inline (Set_Default_Value);
pragma Inline (Set_Delay_Cleanups);
pragma Inline (Set_Delay_Subprogram_Descriptors);
pragma Inline (Set_Delta_Value);
pragma Inline (Set_Dependent_Instances);
pragma Inline (Set_Depends_On_Private);
pragma Inline (Set_Derived_Type_Link);
pragma Inline (Set_Digits_Value);
pragma Inline (Set_Direct_Primitive_Operations);
pragma Inline (Set_Directly_Designated_Type);
pragma Inline (Set_Discard_Names);
pragma Inline (Set_Discriminal);
pragma Inline (Set_Discriminal_Link);
pragma Inline (Set_Discriminant_Checking_Func);
pragma Inline (Set_Discriminant_Constraint);
pragma Inline (Set_Discriminant_Default_Value);
pragma Inline (Set_Discriminant_Number);
pragma Inline (Set_Dispatch_Table_Wrappers);
pragma Inline (Set_Elaborate_Body_Desirable);
pragma Inline (Set_Elaboration_Entity);
pragma Inline (Set_Elaboration_Entity_Required);
pragma Inline (Set_Encapsulating_State);
pragma Inline (Set_Enclosing_Scope);
pragma Inline (Set_Entry_Accepted);
pragma Inline (Set_Entry_Bodies_Array);
pragma Inline (Set_Entry_Cancel_Parameter);
pragma Inline (Set_Entry_Component);
pragma Inline (Set_Entry_Formal);
pragma Inline (Set_Entry_Parameters_Type);
pragma Inline (Set_Enum_Pos_To_Rep);
pragma Inline (Set_Enumeration_Pos);
pragma Inline (Set_Enumeration_Rep);
pragma Inline (Set_Enumeration_Rep_Expr);
pragma Inline (Set_Equivalent_Type);
pragma Inline (Set_Esize);
pragma Inline (Set_Extra_Accessibility);
pragma Inline (Set_Extra_Accessibility_Of_Result);
pragma Inline (Set_Extra_Constrained);
pragma Inline (Set_Extra_Formal);
pragma Inline (Set_Extra_Formals);
pragma Inline (Set_Finalization_Master);
pragma Inline (Set_Finalizer);
pragma Inline (Set_First_Entity);
pragma Inline (Set_First_Exit_Statement);
pragma Inline (Set_First_Index);
pragma Inline (Set_First_Literal);
pragma Inline (Set_First_Private_Entity);
pragma Inline (Set_First_Rep_Item);
pragma Inline (Set_Freeze_Node);
pragma Inline (Set_From_Limited_With);
pragma Inline (Set_Full_View);
pragma Inline (Set_Generic_Homonym);
pragma Inline (Set_Generic_Renamings);
pragma Inline (Set_Handler_Records);
pragma Inline (Set_Has_Aliased_Components);
pragma Inline (Set_Has_Alignment_Clause);
pragma Inline (Set_Has_All_Calls_Remote);
pragma Inline (Set_Has_Anonymous_Master);
pragma Inline (Set_Has_Atomic_Components);
pragma Inline (Set_Has_Biased_Representation);
pragma Inline (Set_Has_Completion);
pragma Inline (Set_Has_Completion_In_Body);
pragma Inline (Set_Has_Complex_Representation);
pragma Inline (Set_Has_Component_Size_Clause);
pragma Inline (Set_Has_Constrained_Partial_View);
pragma Inline (Set_Has_Contiguous_Rep);
pragma Inline (Set_Has_Controlled_Component);
pragma Inline (Set_Has_Controlling_Result);
pragma Inline (Set_Has_Convention_Pragma);
pragma Inline (Set_Has_Default_Aspect);
pragma Inline (Set_Has_Default_Init_Cond);
pragma Inline (Set_Has_Delayed_Aspects);
pragma Inline (Set_Has_Delayed_Freeze);
pragma Inline (Set_Has_Delayed_Rep_Aspects);
pragma Inline (Set_Has_Discriminants);
pragma Inline (Set_Has_Dispatch_Table);
pragma Inline (Set_Has_Dynamic_Predicate_Aspect);
pragma Inline (Set_Has_Enumeration_Rep_Clause);
pragma Inline (Set_Has_Exit);
pragma Inline (Set_Has_Expanded_Contract);
pragma Inline (Set_Has_Forward_Instantiation);
pragma Inline (Set_Has_Fully_Qualified_Name);
pragma Inline (Set_Has_Gigi_Rep_Item);
pragma Inline (Set_Has_Homonym);
pragma Inline (Set_Has_Implicit_Dereference);
pragma Inline (Set_Has_Independent_Components);
pragma Inline (Set_Has_Inheritable_Invariants);
pragma Inline (Set_Has_Inherited_Default_Init_Cond);
pragma Inline (Set_Has_Initial_Value);
pragma Inline (Set_Has_Invariants);
pragma Inline (Set_Has_Loop_Entry_Attributes);
pragma Inline (Set_Has_Machine_Radix_Clause);
pragma Inline (Set_Has_Master_Entity);
pragma Inline (Set_Has_Missing_Return);
pragma Inline (Set_Has_Nested_Block_With_Handler);
pragma Inline (Set_Has_Nested_Subprogram);
pragma Inline (Set_Has_Non_Standard_Rep);
pragma Inline (Set_Has_Object_Size_Clause);
pragma Inline (Set_Has_Out_Or_In_Out_Parameter);
pragma Inline (Set_Has_Per_Object_Constraint);
pragma Inline (Set_Has_Pragma_Controlled);
pragma Inline (Set_Has_Pragma_Elaborate_Body);
pragma Inline (Set_Has_Pragma_Inline);
pragma Inline (Set_Has_Pragma_Inline_Always);
pragma Inline (Set_Has_Pragma_No_Inline);
pragma Inline (Set_Has_Pragma_Ordered);
pragma Inline (Set_Has_Pragma_Pack);
pragma Inline (Set_Has_Pragma_Preelab_Init);
pragma Inline (Set_Has_Pragma_Pure);
pragma Inline (Set_Has_Pragma_Pure_Function);
pragma Inline (Set_Has_Pragma_Thread_Local_Storage);
pragma Inline (Set_Has_Pragma_Unmodified);
pragma Inline (Set_Has_Pragma_Unreferenced);
pragma Inline (Set_Has_Pragma_Unreferenced_Objects);
pragma Inline (Set_Has_Predicates);
pragma Inline (Set_Has_Primitive_Operations);
pragma Inline (Set_Has_Private_Ancestor);
pragma Inline (Set_Has_Private_Declaration);
pragma Inline (Set_Has_Protected);
pragma Inline (Set_Has_Qualified_Name);
pragma Inline (Set_Has_RACW);
pragma Inline (Set_Has_Record_Rep_Clause);
pragma Inline (Set_Has_Recursive_Call);
pragma Inline (Set_Has_Shift_Operator);
pragma Inline (Set_Has_Size_Clause);
pragma Inline (Set_Has_Small_Clause);
pragma Inline (Set_Has_Specified_Layout);
pragma Inline (Set_Has_Specified_Stream_Input);
pragma Inline (Set_Has_Specified_Stream_Output);
pragma Inline (Set_Has_Specified_Stream_Read);
pragma Inline (Set_Has_Specified_Stream_Write);
pragma Inline (Set_Has_Static_Discriminants);
pragma Inline (Set_Has_Static_Predicate);
pragma Inline (Set_Has_Static_Predicate_Aspect);
pragma Inline (Set_Has_Storage_Size_Clause);
pragma Inline (Set_Has_Stream_Size_Clause);
pragma Inline (Set_Has_Task);
pragma Inline (Set_Has_Thunks);
pragma Inline (Set_Has_Unchecked_Union);
pragma Inline (Set_Has_Unknown_Discriminants);
pragma Inline (Set_Has_Uplevel_Reference);
pragma Inline (Set_Has_Visible_Refinement);
pragma Inline (Set_Has_Volatile_Components);
pragma Inline (Set_Has_Xref_Entry);
pragma Inline (Set_Hiding_Loop_Variable);
pragma Inline (Set_Homonym);
pragma Inline (Set_Import_Pragma);
pragma Inline (Set_In_Package_Body);
pragma Inline (Set_In_Private_Part);
pragma Inline (Set_In_Use);
pragma Inline (Set_Inner_Instances);
pragma Inline (Set_Interface_Alias);
pragma Inline (Set_Interface_Name);
pragma Inline (Set_Interfaces);
pragma Inline (Set_Is_Abstract_Subprogram);
pragma Inline (Set_Is_Abstract_Type);
pragma Inline (Set_Is_Access_Constant);
pragma Inline (Set_Is_Ada_2005_Only);
pragma Inline (Set_Is_Ada_2012_Only);
pragma Inline (Set_Is_Aliased);
pragma Inline (Set_Is_Asynchronous);
pragma Inline (Set_Is_Atomic);
pragma Inline (Set_Is_Bit_Packed_Array);
pragma Inline (Set_Is_CPP_Class);
pragma Inline (Set_Is_Called);
pragma Inline (Set_Is_Character_Type);
pragma Inline (Set_Is_Checked_Ghost_Entity);
pragma Inline (Set_Is_Child_Unit);
pragma Inline (Set_Is_Class_Wide_Equivalent_Type);
pragma Inline (Set_Is_Compilation_Unit);
pragma Inline (Set_Is_Completely_Hidden);
pragma Inline (Set_Is_Concurrent_Record_Type);
pragma Inline (Set_Is_Constr_Subt_For_UN_Aliased);
pragma Inline (Set_Is_Constr_Subt_For_U_Nominal);
pragma Inline (Set_Is_Constrained);
pragma Inline (Set_Is_Constructor);
pragma Inline (Set_Is_Controlled);
pragma Inline (Set_Is_Controlling_Formal);
pragma Inline (Set_Is_Default_Init_Cond_Procedure);
pragma Inline (Set_Is_Descendent_Of_Address);
pragma Inline (Set_Is_Discrim_SO_Function);
pragma Inline (Set_Is_Discriminant_Check_Function);
pragma Inline (Set_Is_Dispatch_Table_Entity);
pragma Inline (Set_Is_Dispatching_Operation);
pragma Inline (Set_Is_Eliminated);
pragma Inline (Set_Is_Entry_Formal);
pragma Inline (Set_Is_Exported);
pragma Inline (Set_Is_First_Subtype);
pragma Inline (Set_Is_For_Access_Subtype);
pragma Inline (Set_Is_Formal_Subprogram);
pragma Inline (Set_Is_Frozen);
pragma Inline (Set_Is_Generic_Actual_Subprogram);
pragma Inline (Set_Is_Generic_Actual_Type);
pragma Inline (Set_Is_Generic_Instance);
pragma Inline (Set_Is_Generic_Type);
pragma Inline (Set_Is_Hidden);
pragma Inline (Set_Is_Hidden_Non_Overridden_Subpgm);
pragma Inline (Set_Is_Hidden_Open_Scope);
pragma Inline (Set_Is_Ignored_Ghost_Entity);
pragma Inline (Set_Is_Immediately_Visible);
pragma Inline (Set_Is_Implementation_Defined);
pragma Inline (Set_Is_Imported);
pragma Inline (Set_Is_Independent);
pragma Inline (Set_Is_Inlined);
pragma Inline (Set_Is_Inlined_Always);
pragma Inline (Set_Is_Instantiated);
pragma Inline (Set_Is_Interface);
pragma Inline (Set_Is_Internal);
pragma Inline (Set_Is_Interrupt_Handler);
pragma Inline (Set_Is_Intrinsic_Subprogram);
pragma Inline (Set_Is_Invariant_Procedure);
pragma Inline (Set_Is_Itype);
pragma Inline (Set_Is_Known_Non_Null);
pragma Inline (Set_Is_Known_Null);
pragma Inline (Set_Is_Known_Valid);
pragma Inline (Set_Is_Limited_Composite);
pragma Inline (Set_Is_Limited_Interface);
pragma Inline (Set_Is_Limited_Record);
pragma Inline (Set_Is_Local_Anonymous_Access);
pragma Inline (Set_Is_Machine_Code_Subprogram);
pragma Inline (Set_Is_Non_Static_Subtype);
pragma Inline (Set_Is_Null_Init_Proc);
pragma Inline (Set_Is_Obsolescent);
pragma Inline (Set_Is_Only_Out_Parameter);
pragma Inline (Set_Is_Package_Body_Entity);
pragma Inline (Set_Is_Packed);
pragma Inline (Set_Is_Packed_Array_Impl_Type);
pragma Inline (Set_Is_Potentially_Use_Visible);
pragma Inline (Set_Is_Predicate_Function);
pragma Inline (Set_Is_Predicate_Function_M);
pragma Inline (Set_Is_Preelaborated);
pragma Inline (Set_Is_Primitive);
pragma Inline (Set_Is_Primitive_Wrapper);
pragma Inline (Set_Is_Private_Composite);
pragma Inline (Set_Is_Private_Descendant);
pragma Inline (Set_Is_Private_Primitive);
pragma Inline (Set_Is_Processed_Transient);
pragma Inline (Set_Is_Public);
pragma Inline (Set_Is_Pure);
pragma Inline (Set_Is_Pure_Unit_Access_Type);
pragma Inline (Set_Is_RACW_Stub_Type);
pragma Inline (Set_Is_Raised);
pragma Inline (Set_Is_Remote_Call_Interface);
pragma Inline (Set_Is_Remote_Types);
pragma Inline (Set_Is_Renaming_Of_Object);
pragma Inline (Set_Is_Return_Object);
pragma Inline (Set_Is_Safe_To_Reevaluate);
pragma Inline (Set_Is_Shared_Passive);
pragma Inline (Set_Is_Static_Type);
pragma Inline (Set_Is_Statically_Allocated);
pragma Inline (Set_Is_Tag);
pragma Inline (Set_Is_Tagged_Type);
pragma Inline (Set_Is_Thunk);
pragma Inline (Set_Is_Trivial_Subprogram);
pragma Inline (Set_Is_True_Constant);
pragma Inline (Set_Is_Unchecked_Union);
pragma Inline (Set_Is_Underlying_Record_View);
pragma Inline (Set_Is_Unimplemented);
pragma Inline (Set_Is_Unsigned_Type);
pragma Inline (Set_Is_Valued_Procedure);
pragma Inline (Set_Is_Visible_Formal);
pragma Inline (Set_Is_Visible_Lib_Unit);
pragma Inline (Set_Is_Volatile);
pragma Inline (Set_Itype_Printed);
pragma Inline (Set_Kill_Elaboration_Checks);
pragma Inline (Set_Kill_Range_Checks);
pragma Inline (Set_Known_To_Have_Preelab_Init);
pragma Inline (Set_Last_Aggregate_Assignment);
pragma Inline (Set_Last_Assignment);
pragma Inline (Set_Last_Entity);
pragma Inline (Set_Limited_View);
pragma Inline (Set_Linker_Section_Pragma);
pragma Inline (Set_Lit_Indexes);
pragma Inline (Set_Lit_Strings);
pragma Inline (Set_Low_Bound_Tested);
pragma Inline (Set_Machine_Radix_10);
pragma Inline (Set_Master_Id);
pragma Inline (Set_Materialize_Entity);
pragma Inline (Set_May_Inherit_Delayed_Rep_Aspects);
pragma Inline (Set_Mechanism);
pragma Inline (Set_Modulus);
pragma Inline (Set_Must_Be_On_Byte_Boundary);
pragma Inline (Set_Must_Have_Preelab_Init);
pragma Inline (Set_Needs_Debug_Info);
pragma Inline (Set_Needs_No_Actuals);
pragma Inline (Set_Never_Set_In_Source);
pragma Inline (Set_Next_Inlined_Subprogram);
pragma Inline (Set_No_Dynamic_Predicate_On_Actual);
pragma Inline (Set_No_Pool_Assigned);
pragma Inline (Set_No_Predicate_On_Actual);
pragma Inline (Set_No_Return);
pragma Inline (Set_No_Strict_Aliasing);
pragma Inline (Set_No_Tagged_Streams_Pragma);
pragma Inline (Set_Non_Binary_Modulus);
pragma Inline (Set_Non_Limited_View);
pragma Inline (Set_Nonzero_Is_True);
pragma Inline (Set_Normalized_First_Bit);
pragma Inline (Set_Normalized_Position);
pragma Inline (Set_Normalized_Position_Max);
pragma Inline (Set_OK_To_Rename);
pragma Inline (Set_OK_To_Reorder_Components);
pragma Inline (Set_Optimize_Alignment_Space);
pragma Inline (Set_Optimize_Alignment_Time);
pragma Inline (Set_Original_Access_Type);
pragma Inline (Set_Original_Array_Type);
pragma Inline (Set_Original_Record_Component);
pragma Inline (Set_Overlays_Constant);
pragma Inline (Set_Overridden_Operation);
pragma Inline (Set_PPC_Wrapper);
pragma Inline (Set_Package_Instantiation);
pragma Inline (Set_Packed_Array_Impl_Type);
pragma Inline (Set_Parent_Subtype);
pragma Inline (Set_Part_Of_Constituents);
pragma Inline (Set_Partial_View_Has_Unknown_Discr);
pragma Inline (Set_Pending_Access_Types);
pragma Inline (Set_Postconditions_Proc);
pragma Inline (Set_Prival);
pragma Inline (Set_Prival_Link);
pragma Inline (Set_Private_Dependents);
pragma Inline (Set_Private_View);
pragma Inline (Set_Protected_Body_Subprogram);
pragma Inline (Set_Protected_Formal);
pragma Inline (Set_Protection_Object);
pragma Inline (Set_RM_Size);
pragma Inline (Set_Reachable);
pragma Inline (Set_Referenced);
pragma Inline (Set_Referenced_As_LHS);
pragma Inline (Set_Referenced_As_Out_Parameter);
pragma Inline (Set_Refinement_Constituents);
pragma Inline (Set_Register_Exception_Call);
pragma Inline (Set_Related_Array_Object);
pragma Inline (Set_Related_Expression);
pragma Inline (Set_Related_Instance);
pragma Inline (Set_Related_Type);
pragma Inline (Set_Relative_Deadline_Variable);
pragma Inline (Set_Renamed_Entity);
pragma Inline (Set_Renamed_In_Spec);
pragma Inline (Set_Renamed_Object);
pragma Inline (Set_Renaming_Map);
pragma Inline (Set_Requires_Overriding);
pragma Inline (Set_Return_Applies_To);
pragma Inline (Set_Return_Present);
pragma Inline (Set_Returns_By_Ref);
pragma Inline (Set_Returns_Limited_View);
pragma Inline (Set_Reverse_Bit_Order);
pragma Inline (Set_Reverse_Storage_Order);
pragma Inline (Set_Scalar_Range);
pragma Inline (Set_Scale_Value);
pragma Inline (Set_Scope_Depth_Value);
pragma Inline (Set_Sec_Stack_Needed_For_Return);
pragma Inline (Set_Shadow_Entities);
pragma Inline (Set_Shared_Var_Procs_Instance);
pragma Inline (Set_Size_Check_Code);
pragma Inline (Set_Size_Depends_On_Discriminant);
pragma Inline (Set_Size_Known_At_Compile_Time);
pragma Inline (Set_Small_Value);
pragma Inline (Set_SPARK_Aux_Pragma);
pragma Inline (Set_SPARK_Aux_Pragma_Inherited);
pragma Inline (Set_SPARK_Pragma);
pragma Inline (Set_SPARK_Pragma_Inherited);
pragma Inline (Set_Spec_Entity);
pragma Inline (Set_SSO_Set_High_By_Default);
pragma Inline (Set_SSO_Set_Low_By_Default);
pragma Inline (Set_Static_Elaboration_Desired);
pragma Inline (Set_Static_Initialization);
pragma Inline (Set_Static_Discrete_Predicate);
pragma Inline (Set_Static_Real_Or_String_Predicate);
pragma Inline (Set_Status_Flag_Or_Transient_Decl);
pragma Inline (Set_Storage_Size_Variable);
pragma Inline (Set_Stored_Constraint);
pragma Inline (Set_Stores_Attribute_Old_Prefix);
pragma Inline (Set_Strict_Alignment);
pragma Inline (Set_String_Literal_Length);
pragma Inline (Set_String_Literal_Low_Bound);
pragma Inline (Set_Subprograms_For_Type);
pragma Inline (Set_Subps_Index);
pragma Inline (Set_Suppress_Elaboration_Warnings);
pragma Inline (Set_Suppress_Initialization);
pragma Inline (Set_Suppress_Style_Checks);
pragma Inline (Set_Suppress_Value_Tracking_On_Call);
pragma Inline (Set_Task_Body_Procedure);
pragma Inline (Set_Thunk_Entity);
pragma Inline (Set_Treat_As_Volatile);
pragma Inline (Set_Underlying_Full_View);
pragma Inline (Set_Underlying_Record_View);
pragma Inline (Set_Universal_Aliasing);
pragma Inline (Set_Uplevel_Reference_Noted);
pragma Inline (Set_Uplevel_References);
pragma Inline (Set_Unset_Reference);
pragma Inline (Set_Used_As_Generic_Actual);
pragma Inline (Set_Uses_Lock_Free);
pragma Inline (Set_Uses_Sec_Stack);
pragma Inline (Set_Warnings_Off);
pragma Inline (Set_Warnings_Off_Used);
pragma Inline (Set_Warnings_Off_Used_Unmodified);
pragma Inline (Set_Warnings_Off_Used_Unreferenced);
pragma Inline (Set_Was_Hidden);
pragma Inline (Set_Wrapped_Entity);
-- END XEINFO INLINES
-- The following Inline pragmas are *not* read by xeinfo when building the
-- C version of this interface automatically (so the C version will end up
-- making out of line calls). The pragma scan in xeinfo will be terminated
-- on encountering the END XEINFO INLINES line. We inline things here which
-- are small, but not of the canonical attribute access/set format that can
-- be handled by xeinfo.
pragma Inline (Base_Type);
pragma Inline (Is_Base_Type);
pragma Inline (Is_Package_Or_Generic_Package);
pragma Inline (Is_Packed_Array);
pragma Inline (Is_Subprogram_Or_Generic_Subprogram);
pragma Inline (Is_Volatile);
pragma Inline (Is_Wrapper_Package);
pragma Inline (Known_RM_Size);
pragma Inline (Known_Static_Component_Bit_Offset);
pragma Inline (Known_Static_RM_Size);
pragma Inline (Scope_Depth);
pragma Inline (Scope_Depth_Set);
pragma Inline (Unknown_RM_Size);
end Einfo;
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