-- --
-- S p e c --
-- --
--- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2011, 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- --
package Lib is
+ type Unit_Ref_Table is array (Pos range <>) of Unit_Number_Type;
+ -- Type to hold list of indirect references to unit number table
+
+ type Compiler_State_Type is (Parsing, Analyzing);
+ Compiler_State : Compiler_State_Type;
+ -- Indicates current state of compilation. This is used to implement the
+ -- function In_Extended_Main_Source_Unit.
+
+ Parsing_Main_Extended_Source : Boolean := False;
+ -- Set True if we are currently parsing a file that is part of the main
+ -- extended source (the main unit, its spec, or one of its subunits). This
+ -- flag to implement In_Extended_Main_Source_Unit.
+
+ Analysing_Subunit_Of_Main : Boolean := False;
+ -- Set to True when analyzing a subunit of the main source. When True, if
+ -- the subunit is preprocessed and -gnateG is specified, then the
+ -- preprocessed file (.prep) is written.
+
--------------------------------------------
-- General Approach to Library Management --
--------------------------------------------
-- order. The number is ones origin, so a value of 2 refers to the
-- second generated D line. The Dependency_Number values are set
-- as the D lines are generated, and are used to generate proper
- -- unit references in the generated xref information.
+ -- unit references in the generated xref information and SCO output.
-- Dynamic_Elab
-- A flag indicating if this unit was compiled with dynamic elaboration
-- that the default priority is to be used (and is also used for
-- entries that do not correspond to possible main programs).
+ -- Main_CPU
+ -- This field is used to indicate the affinity of a possible main
+ -- program, as set by a pragma CPU. A value of -1 indicates
+ -- that the default affinity is to be used (and is also used for
+ -- entries that do not correspond to possible main programs).
+
+ -- Has_Allocator
+ -- This flag is set if a subprogram unit has an allocator after the
+ -- BEGIN (it is used to set the AB flag in the M ALI line).
+
-- OA_Setting
-- This is a character field containing L if Optimize_Alignment mode
-- was set locally, and O/T/S for Off/Time/Space default if not.
Default_Main_Priority : constant Int := -1;
-- Value used in Main_Priority field to indicate default main priority
+ Default_Main_CPU : constant Int := -1;
+ -- Value used in Main_CPU field to indicate default main affinity
+
function Cunit (U : Unit_Number_Type) return Node_Id;
function Cunit_Entity (U : Unit_Number_Type) return Entity_Id;
function Dependency_Num (U : Unit_Number_Type) return Nat;
function Fatal_Error (U : Unit_Number_Type) return Boolean;
function Generate_Code (U : Unit_Number_Type) return Boolean;
function Ident_String (U : Unit_Number_Type) return Node_Id;
+ function Has_Allocator (U : Unit_Number_Type) return Boolean;
function Has_RACW (U : Unit_Number_Type) return Boolean;
function Is_Compiler_Unit (U : Unit_Number_Type) return Boolean;
function Loading (U : Unit_Number_Type) return Boolean;
+ function Main_CPU (U : Unit_Number_Type) return Int;
function Main_Priority (U : Unit_Number_Type) return Int;
function Munit_Index (U : Unit_Number_Type) return Nat;
function OA_Setting (U : Unit_Number_Type) return Character;
procedure Set_Fatal_Error (U : Unit_Number_Type; B : Boolean := True);
procedure Set_Generate_Code (U : Unit_Number_Type; B : Boolean := True);
procedure Set_Has_RACW (U : Unit_Number_Type; B : Boolean := True);
+ procedure Set_Has_Allocator (U : Unit_Number_Type; B : Boolean := True);
procedure Set_Is_Compiler_Unit (U : Unit_Number_Type; B : Boolean := True);
procedure Set_Ident_String (U : Unit_Number_Type; N : Node_Id);
procedure Set_Loading (U : Unit_Number_Type; B : Boolean := True);
+ procedure Set_Main_CPU (U : Unit_Number_Type; P : Int);
procedure Set_Main_Priority (U : Unit_Number_Type; P : Int);
procedure Set_OA_Setting (U : Unit_Number_Type; C : Character);
procedure Set_Unit_Name (U : Unit_Number_Type; N : Unit_Name_Type);
-- extended unit. Note: this routine will not give reliable results if
-- called after Sprint has been called with -gnatD set.
+ function Exact_Source_Name (Loc : Source_Ptr) return String;
+ -- Return name of entity at location Loc exactly as written in the source.
+ -- this includes copying the wide character encodings exactly as they were
+ -- used in the source, so the caller must be aware of the possibility of
+ -- such encodings.
+
function Compilation_Switches_Last return Nat;
-- Return the count of stored compilation switches
-- This procedure is called to register the string from a pragma
-- Linker_Option. The argument is the Id of the string to register.
+ procedure Store_Note (N : Node_Id);
+ -- This procedure is called to register a pragma N for which a notes
+ -- entry is required.
+
procedure Initialize;
-- Initialize internal tables
pragma Inline (Dependency_Num);
pragma Inline (Fatal_Error);
pragma Inline (Generate_Code);
+ pragma Inline (Has_Allocator);
pragma Inline (Has_RACW);
pragma Inline (Is_Compiler_Unit);
pragma Inline (Increment_Serial_Number);
pragma Inline (Loading);
+ pragma Inline (Main_CPU);
pragma Inline (Main_Priority);
pragma Inline (Munit_Index);
pragma Inline (OA_Setting);
pragma Inline (Set_Cunit_Entity);
pragma Inline (Set_Fatal_Error);
pragma Inline (Set_Generate_Code);
+ pragma Inline (Set_Has_Allocator);
pragma Inline (Set_Has_RACW);
pragma Inline (Set_Loading);
+ pragma Inline (Set_Main_CPU);
pragma Inline (Set_Main_Priority);
pragma Inline (Set_OA_Setting);
pragma Inline (Set_Unit_Name);
Dependency_Num : Int;
Ident_String : Node_Id;
Main_Priority : Int;
+ Main_CPU : Int;
Serial_Number : Nat;
Version : Word;
Error_Location : Source_Ptr;
Is_Compiler_Unit : Boolean;
Dynamic_Elab : Boolean;
Loading : Boolean;
+ Has_Allocator : Boolean;
OA_Setting : Character;
end record;
Dependency_Num at 28 range 0 .. 31;
Ident_String at 32 range 0 .. 31;
Main_Priority at 36 range 0 .. 31;
- Serial_Number at 40 range 0 .. 31;
- Version at 44 range 0 .. 31;
- Error_Location at 48 range 0 .. 31;
- Fatal_Error at 52 range 0 .. 7;
- Generate_Code at 53 range 0 .. 7;
- Has_RACW at 54 range 0 .. 7;
- Dynamic_Elab at 55 range 0 .. 7;
- Is_Compiler_Unit at 56 range 0 .. 7;
- OA_Setting at 57 range 0 .. 7;
- Loading at 58 range 0 .. 15;
+ Main_CPU at 40 range 0 .. 31;
+ Serial_Number at 44 range 0 .. 31;
+ Version at 48 range 0 .. 31;
+ Error_Location at 52 range 0 .. 31;
+ Fatal_Error at 56 range 0 .. 7;
+ Generate_Code at 57 range 0 .. 7;
+ Has_RACW at 58 range 0 .. 7;
+ Dynamic_Elab at 59 range 0 .. 7;
+ Is_Compiler_Unit at 60 range 0 .. 7;
+ OA_Setting at 61 range 0 .. 7;
+ Loading at 62 range 0 .. 7;
+ Has_Allocator at 63 range 0 .. 7;
end record;
- for Unit_Record'Size use 60 * 8;
+ for Unit_Record'Size use 64 * 8;
-- This ensures that we did not leave out any fields
package Units is new Table.Table (
Table_Increment => Alloc.Linker_Option_Lines_Increment,
Table_Name => "Linker_Option_Lines");
+ -- The following table stores references to pragmas that generate Notes
+
+ type Notes_Entry is record
+ Pragma_Node : Node_Id;
+ Unit : Unit_Number_Type;
+ end record;
+
+ package Notes is new Table.Table (
+ Table_Component_Type => Notes_Entry,
+ Table_Index_Type => Integer,
+ Table_Low_Bound => 1,
+ Table_Initial => Alloc.Notes_Initial,
+ Table_Increment => Alloc.Notes_Increment,
+ Table_Name => "Notes");
+
-- The following table records the compilation switches used to compile
-- the main unit. The table includes only switches. It excludes -o
-- switches as well as artifacts of the gcc/gnat1 interface such as
-- is in the main source file. This ensures that not found messages and
-- circular dependency messages reference the original with in this source.
- type Unit_Ref_Table is array (Pos range <>) of Unit_Number_Type;
- -- Type to hold list of indirect references to unit number table
-
type Load_Stack_Entry is record
Unit_Number : Unit_Number_Type;
With_Node : Node_Id;
end record;
- -- The Load_Stack table contains a list of unit numbers (indices into the
+ -- The Load_Stack table contains a list of unit numbers (indexes into the
-- unit table) of units being loaded on a single dependency chain, and a
-- flag to indicate whether this unit is loaded through a limited_with
-- clause. The First entry is the main unit. The second entry, if present
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