/usr/share/ada/adainclude/gnatvsn/uname.ads is in libgnatvsn4.9-dev 4.9.2-1.
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 --
-- --
-- U N A M E --
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2009 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 Namet; use Namet;
with Types; use Types;
package Uname is
---------------------------
-- Unit Name Conventions --
---------------------------
-- Units are associated with a unique ASCII name as follows. First we have
-- the fully expanded name of the unit, with lower case letters (except
-- for the use of upper case letters for encoding upper half and wide
-- characters, as described in Namet), and periods. Following this is one
-- of the following suffixes:
-- %s for package/subprogram/generic declarations (specs)
-- %b for package/subprogram/generic bodies and subunits
-- Unit names are stored in the names table, and referred to by the
-- corresponding Name_Id values. The type Unit_Name_Type, derived from
-- Name_Id, is used to indicate that a Name_Id value that holds a unit name
-- (as defined above) is expected.
-- Note: as far as possible the conventions for unit names are encapsulated
-- in this package. The one exception is that package Fname, which provides
-- conversion routines from unit names to file names must be aware of the
-- precise conventions that are used.
-------------------
-- Display Names --
-------------------
-- For display purposes, unit names are printed out with the suffix
-- " (body)" for a body and " (spec)" for a spec. These formats are
-- used for the Write_Unit_Name and Get_Unit_Name_String subprograms.
-----------------
-- Subprograms --
-----------------
function Get_Body_Name (N : Unit_Name_Type) return Unit_Name_Type;
-- Given the name of a spec, this function returns the name of the
-- corresponding body, i.e. characters %s replaced by %b
function Get_Parent_Body_Name (N : Unit_Name_Type) return Unit_Name_Type;
-- Given the name of a subunit, returns the name of the parent body
function Get_Parent_Spec_Name (N : Unit_Name_Type) return Unit_Name_Type;
-- Given the name of a child unit spec or body, returns the unit name
-- of the parent spec. Returns No_Name if the given name is not the name
-- of a child unit.
procedure Get_External_Unit_Name_String (N : Unit_Name_Type);
-- Given the name of a body or spec unit, this procedure places in
-- Name_Buffer the name of the unit with periods replaced by double
-- underscores. The spec/body indication is eliminated. The length
-- of the stored name is placed in Name_Len. All letters are lower
-- case, corresponding to the string used in external names.
function Get_Spec_Name (N : Unit_Name_Type) return Unit_Name_Type;
-- Given the name of a body, this function returns the name of the
-- corresponding spec, i.e. characters %b replaced by %s
function Get_Unit_Name (N : Node_Id) return Unit_Name_Type;
-- This procedure returns the unit name that corresponds to the given node,
-- which is one of the following:
--
-- N_Subprogram_Declaration (spec) cases
-- N_Package_Declaration
-- N_Generic_Declaration
-- N_With_Clause
-- N_Function_Instantiation
-- N_Package_Instantiation
-- N_Procedure_Instantiation
-- N_Pragma (Elaborate case)
--
-- N_Package_Body (body) cases
-- N_Subprogram_Body
-- N_Identifier
-- N_Selected_Component
--
-- N_Subprogram_Body_Stub (subunit) cases
-- N_Package_Body_Stub
-- N_Task_Body_Stub
-- N_Protected_Body_Stub
-- N_Subunit
procedure Get_Unit_Name_String
(N : Unit_Name_Type;
Suffix : Boolean := True);
-- Places the display name of the unit in Name_Buffer and sets Name_Len to
-- the length of the stored name, i.e. it uses the same interface as the
-- Get_Name_String routine in the Namet package. The name is decoded and
-- contains an indication of spec or body if Boolean parameter Suffix is
-- True.
function Is_Body_Name (N : Unit_Name_Type) return Boolean;
-- Returns True iff the given name is the unit name of a body (i.e. if
-- it ends with the characters %b).
function Is_Child_Name (N : Unit_Name_Type) return Boolean;
-- Returns True iff the given name is a child unit name (of either a
-- body or a spec).
function Is_Spec_Name (N : Unit_Name_Type) return Boolean;
-- Returns True iff the given name is the unit name of a specification
-- (i.e. if it ends with the characters %s).
function Name_To_Unit_Name (N : Name_Id) return Unit_Name_Type;
-- Given the Id of the Ada name of a unit, this function returns the
-- corresponding unit name of the spec (by appending %s to the name).
function New_Child
(Old : Unit_Name_Type;
Newp : Unit_Name_Type) return Unit_Name_Type;
-- Old is a child unit name (for either a body or spec). Newp is the unit
-- name of the actual parent (this may be different from the parent in
-- old). The returned unit name is formed by taking the parent name from
-- Newp and the child unit name from Old, with the result being a body or
-- spec depending on Old. For example:
--
-- Old = A.B.C (body)
-- Newp = A.R (spec)
-- result = A.R.C (body)
--
-- See spec of Load_Unit for extensive discussion of why this routine
-- needs to be used (the call in the body of Load_Unit is the only one).
function Uname_Ge (Left, Right : Unit_Name_Type) return Boolean;
function Uname_Gt (Left, Right : Unit_Name_Type) return Boolean;
function Uname_Le (Left, Right : Unit_Name_Type) return Boolean;
function Uname_Lt (Left, Right : Unit_Name_Type) return Boolean;
-- These functions perform lexicographic ordering of unit names. The
-- ordering is suitable for printing, and is not quite a straightforward
-- comparison of the names, since the convention is that specs appear
-- before bodies. Note that the standard = and /= operators work fine
-- because all unit names are hashed into the name table, so if two names
-- are the same, they always have the same Name_Id value.
procedure Write_Unit_Name (N : Unit_Name_Type);
-- Given a unit name, this procedure writes the display name to the
-- standard output file. Name_Buffer and Name_Len are set as described
-- above for the Get_Unit_Name_String call on return.
end Uname;
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