/usr/share/ada/adainclude/gnatvsn/aspects.adb is in libgnatvsn4.6-dev 4.6.4-0ubuntu5.
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 --
-- --
-- A S P E C T S --
-- --
-- B o d y --
-- --
-- Copyright (C) 2010, 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 Atree; use Atree;
with Nlists; use Nlists;
with Sinfo; use Sinfo;
with Snames; use Snames;
with Tree_IO; use Tree_IO;
with GNAT.HTable; use GNAT.HTable;
package body Aspects is
------------------------------------------
-- Hash Table for Aspect Specifications --
------------------------------------------
type AS_Hash_Range is range 0 .. 510;
-- Size of hash table headers
function AS_Hash (F : Node_Id) return AS_Hash_Range;
-- Hash function for hash table
function AS_Hash (F : Node_Id) return AS_Hash_Range is
begin
return AS_Hash_Range (F mod 511);
end AS_Hash;
package Aspect_Specifications_Hash_Table is new
GNAT.HTable.Simple_HTable
(Header_Num => AS_Hash_Range,
Element => List_Id,
No_Element => No_List,
Key => Node_Id,
Hash => AS_Hash,
Equal => "=");
-----------------------------------------
-- Table Linking Names and Aspect_Id's --
-----------------------------------------
type Aspect_Entry is record
Nam : Name_Id;
Asp : Aspect_Id;
end record;
Aspect_Names : constant array (Integer range <>) of Aspect_Entry := (
(Name_Ada_2005, Aspect_Ada_2005),
(Name_Ada_2012, Aspect_Ada_2012),
(Name_Address, Aspect_Address),
(Name_Alignment, Aspect_Alignment),
(Name_Atomic, Aspect_Atomic),
(Name_Atomic_Components, Aspect_Atomic_Components),
(Name_Bit_Order, Aspect_Bit_Order),
(Name_Component_Size, Aspect_Component_Size),
(Name_Discard_Names, Aspect_Discard_Names),
(Name_External_Tag, Aspect_External_Tag),
(Name_Favor_Top_Level, Aspect_Favor_Top_Level),
(Name_Inline, Aspect_Inline),
(Name_Inline_Always, Aspect_Inline_Always),
(Name_Input, Aspect_Input),
(Name_Invariant, Aspect_Invariant),
(Name_Machine_Radix, Aspect_Machine_Radix),
(Name_Object_Size, Aspect_Object_Size),
(Name_Output, Aspect_Output),
(Name_Pack, Aspect_Pack),
(Name_Persistent_BSS, Aspect_Persistent_BSS),
(Name_Post, Aspect_Post),
(Name_Pre, Aspect_Pre),
(Name_Predicate, Aspect_Predicate),
(Name_Preelaborable_Initialization, Aspect_Preelaborable_Initialization),
(Name_Pure_Function, Aspect_Pure_Function),
(Name_Read, Aspect_Read),
(Name_Shared, Aspect_Shared),
(Name_Size, Aspect_Size),
(Name_Storage_Pool, Aspect_Storage_Pool),
(Name_Storage_Size, Aspect_Storage_Size),
(Name_Stream_Size, Aspect_Stream_Size),
(Name_Suppress, Aspect_Suppress),
(Name_Suppress_Debug_Info, Aspect_Suppress_Debug_Info),
(Name_Unchecked_Union, Aspect_Unchecked_Union),
(Name_Universal_Aliasing, Aspect_Universal_Aliasing),
(Name_Unmodified, Aspect_Unmodified),
(Name_Unreferenced, Aspect_Unreferenced),
(Name_Unreferenced_Objects, Aspect_Unreferenced_Objects),
(Name_Unsuppress, Aspect_Unsuppress),
(Name_Value_Size, Aspect_Value_Size),
(Name_Volatile, Aspect_Volatile),
(Name_Volatile_Components, Aspect_Volatile_Components),
(Name_Warnings, Aspect_Warnings),
(Name_Write, Aspect_Write));
-------------------------------------
-- Hash Table for Aspect Id Values --
-------------------------------------
type AI_Hash_Range is range 0 .. 112;
-- Size of hash table headers
function AI_Hash (F : Name_Id) return AI_Hash_Range;
-- Hash function for hash table
function AI_Hash (F : Name_Id) return AI_Hash_Range is
begin
return AI_Hash_Range (F mod 113);
end AI_Hash;
package Aspect_Id_Hash_Table is new
GNAT.HTable.Simple_HTable
(Header_Num => AI_Hash_Range,
Element => Aspect_Id,
No_Element => No_Aspect,
Key => Name_Id,
Hash => AI_Hash,
Equal => "=");
-------------------
-- Get_Aspect_Id --
-------------------
function Get_Aspect_Id (Name : Name_Id) return Aspect_Id is
begin
return Aspect_Id_Hash_Table.Get (Name);
end Get_Aspect_Id;
---------------------------
-- Aspect_Specifications --
---------------------------
function Aspect_Specifications (N : Node_Id) return List_Id is
begin
if Has_Aspects (N) then
return Aspect_Specifications_Hash_Table.Get (N);
else
return No_List;
end if;
end Aspect_Specifications;
------------------
-- Move_Aspects --
------------------
procedure Move_Aspects (From : Node_Id; To : Node_Id) is
pragma Assert (not Has_Aspects (To));
begin
if Has_Aspects (From) then
Set_Aspect_Specifications (To, Aspect_Specifications (From));
Aspect_Specifications_Hash_Table.Remove (From);
Set_Has_Aspects (From, False);
end if;
end Move_Aspects;
-----------------------------------
-- Permits_Aspect_Specifications --
-----------------------------------
Has_Aspect_Specifications_Flag : constant array (Node_Kind) of Boolean :=
(N_Abstract_Subprogram_Declaration => True,
N_Component_Declaration => True,
N_Entry_Declaration => True,
N_Exception_Declaration => True,
N_Formal_Abstract_Subprogram_Declaration => True,
N_Formal_Concrete_Subprogram_Declaration => True,
N_Formal_Object_Declaration => True,
N_Formal_Package_Declaration => True,
N_Formal_Type_Declaration => True,
N_Full_Type_Declaration => True,
N_Function_Instantiation => True,
N_Generic_Package_Declaration => True,
N_Generic_Subprogram_Declaration => True,
N_Object_Declaration => True,
N_Package_Declaration => True,
N_Package_Instantiation => True,
N_Private_Extension_Declaration => True,
N_Private_Type_Declaration => True,
N_Procedure_Instantiation => True,
N_Protected_Type_Declaration => True,
N_Single_Protected_Declaration => True,
N_Single_Task_Declaration => True,
N_Subprogram_Declaration => True,
N_Subtype_Declaration => True,
N_Task_Type_Declaration => True,
others => False);
function Permits_Aspect_Specifications (N : Node_Id) return Boolean is
begin
return Has_Aspect_Specifications_Flag (Nkind (N));
end Permits_Aspect_Specifications;
-------------------------------
-- Set_Aspect_Specifications --
-------------------------------
procedure Set_Aspect_Specifications (N : Node_Id; L : List_Id) is
begin
pragma Assert (Permits_Aspect_Specifications (N));
pragma Assert (not Has_Aspects (N));
pragma Assert (L /= No_List);
Set_Has_Aspects (N);
Set_Parent (L, N);
Aspect_Specifications_Hash_Table.Set (N, L);
end Set_Aspect_Specifications;
---------------
-- Tree_Read --
---------------
procedure Tree_Read is
Node : Node_Id;
List : List_Id;
begin
loop
Tree_Read_Int (Int (Node));
Tree_Read_Int (Int (List));
exit when List = No_List;
Set_Aspect_Specifications (Node, List);
end loop;
end Tree_Read;
----------------
-- Tree_Write --
----------------
procedure Tree_Write is
Node : Node_Id := Empty;
List : List_Id;
begin
Aspect_Specifications_Hash_Table.Get_First (Node, List);
loop
Tree_Write_Int (Int (Node));
Tree_Write_Int (Int (List));
exit when List = No_List;
Aspect_Specifications_Hash_Table.Get_Next (Node, List);
end loop;
end Tree_Write;
-- Package initialization sets up Aspect Id hash table
begin
for J in Aspect_Names'Range loop
Aspect_Id_Hash_Table.Set (Aspect_Names (J).Nam, Aspect_Names (J).Asp);
end loop;
end Aspects;
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