1579 lines
53 KiB
Ada
1579 lines
53 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- L I B . W R I T --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 1992-2016, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING3. If not, go to --
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-- http://www.gnu.org/licenses for a complete copy of the license. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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with ALI; use ALI;
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with Atree; use Atree;
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with Casing; use Casing;
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with Debug; use Debug;
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with Einfo; use Einfo;
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with Errout; use Errout;
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with Fname; use Fname;
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with Fname.UF; use Fname.UF;
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with Lib.Util; use Lib.Util;
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with Lib.Xref; use Lib.Xref;
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with Nlists; use Nlists;
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with Gnatvsn; use Gnatvsn;
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with Opt; use Opt;
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with Osint; use Osint;
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with Osint.C; use Osint.C;
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with Output; use Output;
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with Par;
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with Par_SCO; use Par_SCO;
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with Restrict; use Restrict;
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with Rident; use Rident;
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with Stand; use Stand;
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with Scn; use Scn;
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with Sem_Eval; use Sem_Eval;
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with Sinfo; use Sinfo;
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with Sinput; use Sinput;
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with Snames; use Snames;
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with Stringt; use Stringt;
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with Tbuild; use Tbuild;
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with Uname; use Uname;
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with System.Case_Util; use System.Case_Util;
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with System.WCh_Con; use System.WCh_Con;
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package body Lib.Writ is
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-----------------------
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-- Local Subprograms --
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-----------------------
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procedure Write_Unit_Name (N : Node_Id);
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-- Used to write out the unit name for R (pragma Restriction) lines
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-- for uses of Restriction (No_Dependence => unit-name).
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----------------------------------
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-- Add_Preprocessing_Dependency --
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----------------------------------
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procedure Add_Preprocessing_Dependency (S : Source_File_Index) is
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begin
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Units.Increment_Last;
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Units.Table (Units.Last) :=
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(Unit_File_Name => File_Name (S),
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Unit_Name => No_Unit_Name,
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Expected_Unit => No_Unit_Name,
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Source_Index => S,
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Cunit => Empty,
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Cunit_Entity => Empty,
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Dependency_Num => 0,
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Dynamic_Elab => False,
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Fatal_Error => None,
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Generate_Code => False,
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Has_RACW => False,
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Filler => False,
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Ident_String => Empty,
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Loading => False,
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Main_Priority => -1,
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Main_CPU => -1,
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Munit_Index => 0,
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No_Elab_Code_All => False,
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Serial_Number => 0,
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Version => 0,
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Error_Location => No_Location,
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OA_Setting => 'O',
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SPARK_Mode_Pragma => Empty);
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end Add_Preprocessing_Dependency;
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------------------------------
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-- Ensure_System_Dependency --
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------------------------------
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procedure Ensure_System_Dependency is
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System_Uname : Unit_Name_Type;
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-- Unit name for system spec if needed for dummy entry
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System_Fname : File_Name_Type;
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-- File name for system spec if needed for dummy entry
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begin
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-- Nothing to do if we already compiled System
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for Unum in Units.First .. Last_Unit loop
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if Units.Table (Unum).Source_Index = System_Source_File_Index then
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return;
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end if;
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end loop;
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-- If no entry for system.ads in the units table, then add a entry
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-- to the units table for system.ads, which will be referenced when
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-- the ali file is generated. We need this because every unit depends
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-- on system as a result of Targparm scanning the system.ads file to
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-- determine the target dependent parameters for the compilation.
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Name_Len := 6;
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Name_Buffer (1 .. 6) := "system";
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System_Uname := Name_To_Unit_Name (Name_Enter);
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System_Fname := File_Name (System_Source_File_Index);
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Units.Increment_Last;
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Units.Table (Units.Last) := (
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Unit_File_Name => System_Fname,
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Unit_Name => System_Uname,
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Expected_Unit => System_Uname,
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Source_Index => System_Source_File_Index,
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Cunit => Empty,
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Cunit_Entity => Empty,
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Dependency_Num => 0,
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Dynamic_Elab => False,
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Fatal_Error => None,
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Generate_Code => False,
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Has_RACW => False,
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Filler => False,
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Ident_String => Empty,
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Loading => False,
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Main_Priority => -1,
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Main_CPU => -1,
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Munit_Index => 0,
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No_Elab_Code_All => False,
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Serial_Number => 0,
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Version => 0,
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Error_Location => No_Location,
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OA_Setting => 'O',
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SPARK_Mode_Pragma => Empty);
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-- Parse system.ads so that the checksum is set right. Style checks are
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-- not applied. The Ekind is set to ensure that this reference is always
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-- present in the ali file.
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declare
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Save_Mindex : constant Nat := Multiple_Unit_Index;
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Save_Style : constant Boolean := Style_Check;
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begin
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Multiple_Unit_Index := 0;
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Style_Check := False;
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Initialize_Scanner (Units.Last, System_Source_File_Index);
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Discard_List (Par (Configuration_Pragmas => False));
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Set_Ekind (Cunit_Entity (Units.Last), E_Package);
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Set_Scope (Cunit_Entity (Units.Last), Standard_Standard);
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Style_Check := Save_Style;
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Multiple_Unit_Index := Save_Mindex;
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end;
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end Ensure_System_Dependency;
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---------------
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-- Write_ALI --
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---------------
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procedure Write_ALI (Object : Boolean) is
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----------------
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-- Local Data --
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----------------
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Last_Unit : constant Unit_Number_Type := Units.Last;
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-- Record unit number of last unit. We capture this in case we
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-- have to add a dummy entry to the unit table for package System.
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With_Flags : array (Units.First .. Last_Unit) of Boolean;
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-- Array of flags to show which units are with'ed
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Elab_Flags : array (Units.First .. Last_Unit) of Boolean;
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-- Array of flags to show which units have pragma Elaborate set
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Elab_All_Flags : array (Units.First .. Last_Unit) of Boolean;
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-- Array of flags to show which units have pragma Elaborate All set
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Elab_Des_Flags : array (Units.First .. Last_Unit) of Boolean;
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-- Array of flags to show which units have Elaborate_Desirable set
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Elab_All_Des_Flags : array (Units.First .. Last_Unit) of Boolean;
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-- Array of flags to show which units have Elaborate_All_Desirable set
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type Yes_No is (Unknown, Yes, No);
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Implicit_With : array (Units.First .. Last_Unit) of Yes_No;
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-- Indicates if an implicit with has been given for the unit. Yes if
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-- certainly present, no if certainly absent, unkonwn if not known.
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Sdep_Table : Unit_Ref_Table (1 .. Pos (Last_Unit - Units.First + 2));
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-- Sorted table of source dependencies. One extra entry in case we
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-- have to add a dummy entry for System.
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Num_Sdep : Nat := 0;
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-- Number of active entries in Sdep_Table
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flag_compare_debug : Int;
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pragma Import (C, flag_compare_debug);
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-- Import from toplev.c
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-----------------------
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-- Local Subprograms --
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-----------------------
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procedure Collect_Withs (Cunit : Node_Id);
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-- Collect with lines for entries in the context clause of the
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-- given compilation unit, Cunit.
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procedure Update_Tables_From_ALI_File;
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-- Given an up to date ALI file (see Up_To_Date_ALI_file_Exists
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-- function), update tables from the ALI information, including
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-- specifically the Compilation_Switches table.
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function Up_To_Date_ALI_File_Exists return Boolean;
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-- If there exists an ALI file that is up to date, then this function
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-- initializes the tables in the ALI spec to contain information on
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-- this file (using Scan_ALI) and returns True. If no file exists,
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-- or the file is not up to date, then False is returned.
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procedure Write_Unit_Information (Unit_Num : Unit_Number_Type);
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-- Write out the library information for one unit for which code is
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-- generated (includes unit line and with lines).
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procedure Write_With_Lines;
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-- Write out with lines collected by calls to Collect_Withs
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-------------------
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-- Collect_Withs --
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-------------------
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procedure Collect_Withs (Cunit : Node_Id) is
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Item : Node_Id;
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Unum : Unit_Number_Type;
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begin
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Item := First (Context_Items (Cunit));
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while Present (Item) loop
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-- Process with clause
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-- Ada 2005 (AI-50217): limited with_clauses do not create
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-- dependencies, but must be recorded as components of the
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-- partition, in case there is no regular with_clause for
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-- the unit anywhere else.
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if Nkind (Item) = N_With_Clause then
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Unum := Get_Cunit_Unit_Number (Library_Unit (Item));
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With_Flags (Unum) := True;
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if not Limited_Present (Item) then
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if Elaborate_Present (Item) then
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Elab_Flags (Unum) := True;
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end if;
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if Elaborate_All_Present (Item) then
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Elab_All_Flags (Unum) := True;
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end if;
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if Elaborate_All_Desirable (Item) then
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Elab_All_Des_Flags (Unum) := True;
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end if;
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if Elaborate_Desirable (Item) then
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Elab_Des_Flags (Unum) := True;
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end if;
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else
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Set_From_Limited_With (Cunit_Entity (Unum));
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end if;
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if Implicit_With (Unum) /= Yes then
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if Implicit_With_From_Instantiation (Item) then
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Implicit_With (Unum) := Yes;
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else
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Implicit_With (Unum) := No;
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end if;
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end if;
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end if;
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Next (Item);
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end loop;
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end Collect_Withs;
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--------------------------------
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-- Up_To_Date_ALI_File_Exists --
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--------------------------------
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function Up_To_Date_ALI_File_Exists return Boolean is
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Name : File_Name_Type;
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Text : Text_Buffer_Ptr;
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Id : Sdep_Id;
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Sind : Source_File_Index;
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begin
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Opt.Check_Object_Consistency := True;
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Read_Library_Info (Name, Text);
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-- Return if we could not find an ALI file
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if Text = null then
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return False;
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end if;
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-- Return if ALI file has bad format
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Initialize_ALI;
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if Scan_ALI (Name, Text, False, Err => True) = No_ALI_Id then
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return False;
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end if;
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-- If we have an OK ALI file, check if it is up to date
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-- Note that we assume that the ALI read has all the entries
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-- we have in our table, plus some additional ones (that can
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-- come from expansion).
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Id := First_Sdep_Entry;
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for J in 1 .. Num_Sdep loop
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Sind := Units.Table (Sdep_Table (J)).Source_Index;
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while Sdep.Table (Id).Sfile /= File_Name (Sind) loop
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if Id = Sdep.Last then
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return False;
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else
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Id := Id + 1;
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end if;
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end loop;
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if Sdep.Table (Id).Stamp /= Time_Stamp (Sind) then
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return False;
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end if;
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end loop;
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return True;
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end Up_To_Date_ALI_File_Exists;
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---------------------------------
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-- Update_Tables_From_ALI_File --
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---------------------------------
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procedure Update_Tables_From_ALI_File is
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begin
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-- Build Compilation_Switches table
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Compilation_Switches.Init;
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for J in First_Arg_Entry .. Args.Last loop
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Compilation_Switches.Increment_Last;
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Compilation_Switches.Table (Compilation_Switches.Last) :=
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Args.Table (J);
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end loop;
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end Update_Tables_From_ALI_File;
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----------------------------
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-- Write_Unit_Information --
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----------------------------
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procedure Write_Unit_Information (Unit_Num : Unit_Number_Type) is
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Unode : constant Node_Id := Cunit (Unit_Num);
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Ukind : constant Node_Kind := Nkind (Unit (Unode));
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Uent : constant Entity_Id := Cunit_Entity (Unit_Num);
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Pnode : Node_Id;
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begin
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Write_Info_Initiate ('U');
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Write_Info_Char (' ');
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Write_Info_Name (Unit_Name (Unit_Num));
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Write_Info_Tab (25);
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Write_Info_Name (Unit_File_Name (Unit_Num));
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Write_Info_Tab (49);
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Write_Info_Str (Version_Get (Unit_Num));
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-- Add BD parameter if Elaborate_Body pragma desirable
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if Ekind (Uent) = E_Package
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and then Elaborate_Body_Desirable (Uent)
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then
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Write_Info_Str (" BD");
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end if;
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-- Add BN parameter if body needed for SAL
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if (Is_Subprogram (Uent)
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or else Ekind (Uent) = E_Package
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or else Is_Generic_Unit (Uent))
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and then Body_Needed_For_SAL (Uent)
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then
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Write_Info_Str (" BN");
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end if;
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if Dynamic_Elab (Unit_Num) then
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Write_Info_Str (" DE");
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end if;
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-- Set the Elaborate_Body indication if either an explicit pragma
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-- was present, or if this is an instantiation.
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if Has_Pragma_Elaborate_Body (Uent)
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or else (Ukind = N_Package_Declaration
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and then Is_Generic_Instance (Uent)
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and then Present (Corresponding_Body (Unit (Unode))))
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then
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Write_Info_Str (" EB");
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end if;
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-- Now see if we should tell the binder that an elaboration entity
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-- is present, which must be set to true during elaboration.
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-- We generate the indication if the following condition is met:
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-- If this is a spec ...
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if (Is_Subprogram (Uent)
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or else Ekind (Uent) = E_Package
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or else Is_Generic_Unit (Uent))
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-- and an elaboration entity was declared ...
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and then Present (Elaboration_Entity (Uent))
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-- and either the elaboration flag is required ...
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and then (Elaboration_Entity_Required (Uent)
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-- or this unit has elaboration code ...
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or else not Has_No_Elaboration_Code (Unode)
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-- or this unit has a separate body and this
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-- body has elaboration code.
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or else
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(Ekind (Uent) = E_Package
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and then Present (Body_Entity (Uent))
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and then
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not Has_No_Elaboration_Code
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(Parent (Declaration_Node (Body_Entity (Uent))))))
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then
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Write_Info_Str (" EE");
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end if;
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if Has_No_Elaboration_Code (Unode) then
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Write_Info_Str (" NE");
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end if;
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Write_Info_Str (" O");
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Write_Info_Char (OA_Setting (Unit_Num));
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if Ekind_In (Uent, E_Package, E_Package_Body)
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and then Present (Finalizer (Uent))
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then
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Write_Info_Str (" PF");
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end if;
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if Is_Preelaborated (Uent) then
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Write_Info_Str (" PR");
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end if;
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if Is_Pure (Uent) then
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Write_Info_Str (" PU");
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end if;
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if Has_RACW (Unit_Num) then
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Write_Info_Str (" RA");
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end if;
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if Is_Remote_Call_Interface (Uent) then
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Write_Info_Str (" RC");
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end if;
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if Is_Remote_Types (Uent) then
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Write_Info_Str (" RT");
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end if;
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if Serious_Errors_Detected /= 0 then
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Write_Info_Str (" SE");
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end if;
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if Is_Shared_Passive (Uent) then
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Write_Info_Str (" SP");
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end if;
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if Ukind = N_Subprogram_Declaration
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or else Ukind = N_Subprogram_Body
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then
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Write_Info_Str (" SU");
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elsif Ukind = N_Package_Declaration
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or else
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Ukind = N_Package_Body
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then
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-- If this is a wrapper package for a subprogram instantiation,
|
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-- the user view is the subprogram. Note that in this case the
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|
-- ali file contains both the spec and body of the instance.
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if Is_Wrapper_Package (Uent) then
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Write_Info_Str (" SU");
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else
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Write_Info_Str (" PK");
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end if;
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elsif Ukind = N_Generic_Package_Declaration then
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Write_Info_Str (" PK");
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end if;
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|
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if Ukind in N_Generic_Declaration
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or else
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(Present (Library_Unit (Unode))
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and then
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Nkind (Unit (Library_Unit (Unode))) in N_Generic_Declaration)
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then
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Write_Info_Str (" GE");
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end if;
|
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|
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if not Is_Internal_File_Name (Unit_File_Name (Unit_Num), True) then
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|
case Identifier_Casing (Source_Index (Unit_Num)) is
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when All_Lower_Case => Write_Info_Str (" IL");
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when All_Upper_Case => Write_Info_Str (" IU");
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when others => null;
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|
end case;
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|
|
case Keyword_Casing (Source_Index (Unit_Num)) is
|
|
when Mixed_Case => Write_Info_Str (" KM");
|
|
when All_Upper_Case => Write_Info_Str (" KU");
|
|
when others => null;
|
|
end case;
|
|
end if;
|
|
|
|
if Initialize_Scalars or else Invalid_Value_Used then
|
|
Write_Info_Str (" IS");
|
|
end if;
|
|
|
|
Write_Info_EOL;
|
|
|
|
-- Generate with lines, first those that are directly with'ed
|
|
|
|
for J in With_Flags'Range loop
|
|
With_Flags (J) := False;
|
|
Elab_Flags (J) := False;
|
|
Elab_All_Flags (J) := False;
|
|
Elab_Des_Flags (J) := False;
|
|
Elab_All_Des_Flags (J) := False;
|
|
Implicit_With (J) := Unknown;
|
|
end loop;
|
|
|
|
Collect_Withs (Unode);
|
|
|
|
-- For a body, we must also check for any subunits which belong to
|
|
-- it and which have context clauses of their own, since these
|
|
-- with'ed units are part of its own elaboration dependencies.
|
|
|
|
if Nkind (Unit (Unode)) in N_Unit_Body then
|
|
for S in Units.First .. Last_Unit loop
|
|
|
|
-- We are only interested in subunits. For preproc. data and
|
|
-- def. files, Cunit is Empty, so we need to test that first.
|
|
|
|
if Cunit (S) /= Empty
|
|
and then Nkind (Unit (Cunit (S))) = N_Subunit
|
|
then
|
|
Pnode := Library_Unit (Cunit (S));
|
|
|
|
-- In gnatc mode, the errors in the subunits will not have
|
|
-- been recorded, but the analysis of the subunit may have
|
|
-- failed. There is no information to add to ALI file in
|
|
-- this case.
|
|
|
|
if No (Pnode) then
|
|
exit;
|
|
end if;
|
|
|
|
-- Find ultimate parent of the subunit
|
|
|
|
while Nkind (Unit (Pnode)) = N_Subunit loop
|
|
Pnode := Library_Unit (Pnode);
|
|
end loop;
|
|
|
|
-- See if it belongs to current unit, and if so, include
|
|
-- its with_clauses.
|
|
|
|
if Pnode = Unode then
|
|
Collect_Withs (Cunit (S));
|
|
end if;
|
|
end if;
|
|
end loop;
|
|
end if;
|
|
|
|
Write_With_Lines;
|
|
|
|
-- Generate the linker option lines
|
|
|
|
for J in 1 .. Linker_Option_Lines.Last loop
|
|
|
|
-- Pragma Linker_Options is not allowed in predefined generic
|
|
-- units. This is because they won't be read, due to the fact that
|
|
-- with lines for generic units lack the file name and lib name
|
|
-- parameters (see Lib_Writ spec for an explanation).
|
|
|
|
if Is_Generic_Unit (Cunit_Entity (Main_Unit))
|
|
and then
|
|
Is_Predefined_File_Name (Unit_File_Name (Current_Sem_Unit))
|
|
and then Linker_Option_Lines.Table (J).Unit = Unit_Num
|
|
then
|
|
Set_Standard_Error;
|
|
Write_Line
|
|
("linker options not allowed in predefined generic unit");
|
|
raise Unrecoverable_Error;
|
|
end if;
|
|
|
|
-- Output one linker option line
|
|
|
|
declare
|
|
S : Linker_Option_Entry renames Linker_Option_Lines.Table (J);
|
|
begin
|
|
if S.Unit = Unit_Num then
|
|
Write_Info_Initiate ('L');
|
|
Write_Info_Char (' ');
|
|
Write_Info_Slit (S.Option);
|
|
Write_Info_EOL;
|
|
end if;
|
|
end;
|
|
end loop;
|
|
|
|
-- Output notes
|
|
|
|
for J in 1 .. Notes.Last loop
|
|
declare
|
|
N : constant Node_Id := Notes.Table (J);
|
|
L : constant Source_Ptr := Sloc (N);
|
|
U : constant Unit_Number_Type :=
|
|
Unit (Get_Source_File_Index (L));
|
|
C : Character;
|
|
|
|
Note_Unit : Unit_Number_Type;
|
|
-- The unit in whose U section this note must be emitted:
|
|
-- notes for subunits are emitted along with the main unit;
|
|
-- all other notes are emitted as part of the enclosing
|
|
-- compilation unit.
|
|
|
|
begin
|
|
if U /= No_Unit and then Nkind (Unit (Cunit (U))) = N_Subunit
|
|
then
|
|
Note_Unit := Main_Unit;
|
|
else
|
|
Note_Unit := U;
|
|
end if;
|
|
|
|
if Note_Unit = Unit_Num then
|
|
Write_Info_Initiate ('N');
|
|
Write_Info_Char (' ');
|
|
|
|
case Pragma_Name_Unmapped (N) is
|
|
when Name_Annotate =>
|
|
C := 'A';
|
|
when Name_Comment =>
|
|
C := 'C';
|
|
when Name_Ident =>
|
|
C := 'I';
|
|
when Name_Title =>
|
|
C := 'T';
|
|
when Name_Subtitle =>
|
|
C := 'S';
|
|
when others =>
|
|
raise Program_Error;
|
|
end case;
|
|
|
|
Write_Info_Char (C);
|
|
Write_Info_Int (Int (Get_Logical_Line_Number (L)));
|
|
Write_Info_Char (':');
|
|
Write_Info_Int (Int (Get_Column_Number (L)));
|
|
|
|
-- Indicate source file of annotation if different from
|
|
-- compilation unit source file (case of annotation coming
|
|
-- from a separate).
|
|
|
|
if Get_Source_File_Index (L) /= Source_Index (Unit_Num) then
|
|
Write_Info_Char (':');
|
|
Write_Info_Name (File_Name (Get_Source_File_Index (L)));
|
|
end if;
|
|
|
|
declare
|
|
A : Node_Id;
|
|
|
|
begin
|
|
A := First (Pragma_Argument_Associations (N));
|
|
while Present (A) loop
|
|
Write_Info_Char (' ');
|
|
|
|
if Chars (A) /= No_Name then
|
|
Write_Info_Name (Chars (A));
|
|
Write_Info_Char (':');
|
|
end if;
|
|
|
|
declare
|
|
Expr : constant Node_Id := Expression (A);
|
|
|
|
begin
|
|
if Nkind (Expr) = N_Identifier then
|
|
Write_Info_Name (Chars (Expr));
|
|
|
|
elsif Nkind (Expr) = N_Integer_Literal
|
|
and then Is_OK_Static_Expression (Expr)
|
|
then
|
|
Write_Info_Uint (Intval (Expr));
|
|
|
|
elsif Nkind (Expr) = N_String_Literal
|
|
and then Is_OK_Static_Expression (Expr)
|
|
then
|
|
Write_Info_Slit (Strval (Expr));
|
|
|
|
else
|
|
Write_Info_Str ("<expr>");
|
|
end if;
|
|
end;
|
|
|
|
Next (A);
|
|
end loop;
|
|
end;
|
|
|
|
Write_Info_EOL;
|
|
end if;
|
|
end;
|
|
end loop;
|
|
end Write_Unit_Information;
|
|
|
|
----------------------
|
|
-- Write_With_Lines --
|
|
----------------------
|
|
|
|
procedure Write_With_Lines is
|
|
Pname : constant Unit_Name_Type :=
|
|
Get_Parent_Spec_Name (Unit_Name (Main_Unit));
|
|
Body_Fname : File_Name_Type;
|
|
Body_Index : Nat;
|
|
Cunit : Node_Id;
|
|
Fname : File_Name_Type;
|
|
Num_Withs : Int := 0;
|
|
Unum : Unit_Number_Type;
|
|
Uname : Unit_Name_Type;
|
|
With_Table : Unit_Ref_Table (1 .. Pos (Last_Unit - Units.First + 1));
|
|
|
|
procedure Write_With_File_Names
|
|
(Nam : in out File_Name_Type;
|
|
Idx : Nat);
|
|
-- Write source file name Nam and ALI file name for unit index Idx.
|
|
-- Possibly change Nam to lowercase (generating a new file name).
|
|
|
|
--------------------------
|
|
-- Write_With_File_Name --
|
|
--------------------------
|
|
|
|
procedure Write_With_File_Names
|
|
(Nam : in out File_Name_Type;
|
|
Idx : Nat)
|
|
is
|
|
begin
|
|
if not File_Names_Case_Sensitive then
|
|
Get_Name_String (Nam);
|
|
To_Lower (Name_Buffer (1 .. Name_Len));
|
|
Nam := Name_Find;
|
|
end if;
|
|
|
|
Write_Info_Name (Nam);
|
|
Write_Info_Tab (49);
|
|
Write_Info_Name (Lib_File_Name (Nam, Idx));
|
|
end Write_With_File_Names;
|
|
|
|
-- Start of processing for Write_With_Lines
|
|
|
|
begin
|
|
-- Loop to build the with table. A with on the main unit itself
|
|
-- is ignored (AARM 10.2(14a)). Such a with-clause can occur if
|
|
-- the main unit is a subprogram with no spec, and a subunit of
|
|
-- it unnecessarily withs the parent.
|
|
|
|
for J in Units.First + 1 .. Last_Unit loop
|
|
|
|
-- Add element to with table if it is with'ed or if it is the
|
|
-- parent spec of the main unit (case of main unit is a child
|
|
-- unit). The latter with is not needed for semantic purposes,
|
|
-- but is required by the binder for elaboration purposes. For
|
|
-- preprocessing data and definition files, there is no Unit_Name,
|
|
-- check for that first.
|
|
|
|
if Unit_Name (J) /= No_Unit_Name
|
|
and then (With_Flags (J) or else Unit_Name (J) = Pname)
|
|
then
|
|
Num_Withs := Num_Withs + 1;
|
|
With_Table (Num_Withs) := J;
|
|
end if;
|
|
end loop;
|
|
|
|
-- Sort and output the table
|
|
|
|
Sort (With_Table (1 .. Num_Withs));
|
|
|
|
for J in 1 .. Num_Withs loop
|
|
Unum := With_Table (J);
|
|
|
|
-- Do not generate a with line for an ignored Ghost unit because
|
|
-- the unit does not have an ALI file.
|
|
|
|
if Is_Ignored_Ghost_Entity (Cunit_Entity (Unum)) then
|
|
goto Next_With_Line;
|
|
end if;
|
|
|
|
Cunit := Units.Table (Unum).Cunit;
|
|
Uname := Units.Table (Unum).Unit_Name;
|
|
Fname := Units.Table (Unum).Unit_File_Name;
|
|
|
|
if Implicit_With (Unum) = Yes then
|
|
Write_Info_Initiate ('Z');
|
|
|
|
elsif Ekind (Cunit_Entity (Unum)) = E_Package
|
|
and then From_Limited_With (Cunit_Entity (Unum))
|
|
then
|
|
Write_Info_Initiate ('Y');
|
|
|
|
else
|
|
Write_Info_Initiate ('W');
|
|
end if;
|
|
|
|
Write_Info_Char (' ');
|
|
Write_Info_Name (Uname);
|
|
|
|
-- Now we need to figure out the names of the files that contain
|
|
-- the with'ed unit. These will usually be the files for the body,
|
|
-- except in the case of a package that has no body. Note that we
|
|
-- have a specific exemption here for predefined library generics
|
|
-- (see comments for Generic_May_Lack_ALI). We do not generate
|
|
-- dependency upon the ALI file for such units. Older compilers
|
|
-- used to not support generating code (and ALI) for generics, and
|
|
-- we want to avoid having different processing (namely, different
|
|
-- lists of files to be compiled) for different stages of the
|
|
-- bootstrap.
|
|
|
|
if not ((Nkind (Unit (Cunit)) in N_Generic_Declaration
|
|
or else
|
|
Nkind (Unit (Cunit)) in N_Generic_Renaming_Declaration)
|
|
and then Generic_May_Lack_ALI (Fname))
|
|
|
|
-- In SPARK mode, always generate the dependencies on ALI
|
|
-- files, which are required to compute frame conditions
|
|
-- of subprograms.
|
|
|
|
or else GNATprove_Mode
|
|
then
|
|
Write_Info_Tab (25);
|
|
|
|
if Is_Spec_Name (Uname) then
|
|
Body_Fname :=
|
|
Get_File_Name
|
|
(Get_Body_Name (Uname),
|
|
Subunit => False, May_Fail => True);
|
|
|
|
Body_Index :=
|
|
Get_Unit_Index
|
|
(Get_Body_Name (Uname));
|
|
|
|
if Body_Fname = No_File then
|
|
Body_Fname := Get_File_Name (Uname, Subunit => False);
|
|
Body_Index := Get_Unit_Index (Uname);
|
|
end if;
|
|
|
|
else
|
|
Body_Fname := Get_File_Name (Uname, Subunit => False);
|
|
Body_Index := Get_Unit_Index (Uname);
|
|
end if;
|
|
|
|
-- A package is considered to have a body if it requires
|
|
-- a body or if a body is present in Ada 83 mode.
|
|
|
|
if Body_Required (Cunit)
|
|
or else (Ada_Version = Ada_83
|
|
and then Full_Source_Name (Body_Fname) /= No_File)
|
|
then
|
|
Write_With_File_Names (Body_Fname, Body_Index);
|
|
else
|
|
Write_With_File_Names (Fname, Munit_Index (Unum));
|
|
end if;
|
|
|
|
if Ekind (Cunit_Entity (Unum)) = E_Package
|
|
and then From_Limited_With (Cunit_Entity (Unum))
|
|
then
|
|
null;
|
|
else
|
|
if Elab_Flags (Unum) then
|
|
Write_Info_Str (" E");
|
|
end if;
|
|
|
|
if Elab_All_Flags (Unum) then
|
|
Write_Info_Str (" EA");
|
|
end if;
|
|
|
|
if Elab_Des_Flags (Unum) then
|
|
Write_Info_Str (" ED");
|
|
end if;
|
|
|
|
if Elab_All_Des_Flags (Unum) then
|
|
Write_Info_Str (" AD");
|
|
end if;
|
|
end if;
|
|
end if;
|
|
|
|
Write_Info_EOL;
|
|
|
|
<<Next_With_Line>>
|
|
null;
|
|
end loop;
|
|
|
|
-- Finally generate the special lines for cases of Restriction_Set
|
|
-- with No_Dependence and no restriction present.
|
|
|
|
declare
|
|
Unam : Unit_Name_Type;
|
|
|
|
begin
|
|
for J in Restriction_Set_Dependences.First ..
|
|
Restriction_Set_Dependences.Last
|
|
loop
|
|
Unam := Restriction_Set_Dependences.Table (J);
|
|
|
|
-- Don't need an entry if already in the unit table
|
|
|
|
for U in 0 .. Last_Unit loop
|
|
if Unit_Name (U) = Unam then
|
|
goto Next_Restriction_Set;
|
|
end if;
|
|
end loop;
|
|
|
|
-- Otherwise generate the entry
|
|
|
|
Write_Info_Initiate ('W');
|
|
Write_Info_Char (' ');
|
|
Write_Info_Name (Unam);
|
|
Write_Info_EOL;
|
|
|
|
<<Next_Restriction_Set>>
|
|
null;
|
|
end loop;
|
|
end;
|
|
end Write_With_Lines;
|
|
|
|
-- Start of processing for Write_ALI
|
|
|
|
begin
|
|
-- We never write an ALI file if the original operating mode was
|
|
-- syntax-only (-gnats switch used in compiler invocation line)
|
|
|
|
if Original_Operating_Mode = Check_Syntax
|
|
or flag_compare_debug /= 0
|
|
then
|
|
return;
|
|
end if;
|
|
|
|
-- Generation of ALI files may be disabled, e.g. for formal verification
|
|
-- back-end.
|
|
|
|
if Disable_ALI_File then
|
|
return;
|
|
end if;
|
|
|
|
-- Build sorted source dependency table. We do this right away, because
|
|
-- it is referenced by Up_To_Date_ALI_File_Exists.
|
|
|
|
for Unum in Units.First .. Last_Unit loop
|
|
if Cunit_Entity (Unum) = Empty
|
|
or else not From_Limited_With (Cunit_Entity (Unum))
|
|
then
|
|
-- Units that are not analyzed need not appear in the dependency
|
|
-- list. These units are either units appearing in limited_with
|
|
-- clauses of other units, or units loaded for inlining that end
|
|
-- up not inlined by a later decision of the inlining code, to
|
|
-- prevent circularities. We want to exclude these files from the
|
|
-- list of dependencies, so that the dependency number of other
|
|
-- is correctly set, as that number is used by cross-reference
|
|
-- tools to relate entity information to the unit in which they
|
|
-- are declared.
|
|
|
|
if Present (Cunit_Entity (Unum))
|
|
and then Ekind (Cunit_Entity (Unum)) = E_Void
|
|
and then Nkind (Unit (Cunit (Unum))) /= N_Subunit
|
|
and then Serious_Errors_Detected = 0
|
|
then
|
|
null;
|
|
|
|
else
|
|
Num_Sdep := Num_Sdep + 1;
|
|
Sdep_Table (Num_Sdep) := Unum;
|
|
end if;
|
|
end if;
|
|
end loop;
|
|
|
|
-- Sort the table so that the D lines are in order
|
|
|
|
Lib.Sort (Sdep_Table (1 .. Num_Sdep));
|
|
|
|
-- If we are not generating code, and there is an up to date ALI file
|
|
-- file accessible, read it, and acquire the compilation arguments from
|
|
-- this file. In GNATprove mode, always generate the ALI file, which
|
|
-- contains a special section for formal verification.
|
|
|
|
if Operating_Mode /= Generate_Code and then not GNATprove_Mode then
|
|
if Up_To_Date_ALI_File_Exists then
|
|
Update_Tables_From_ALI_File;
|
|
return;
|
|
end if;
|
|
end if;
|
|
|
|
-- Otherwise acquire compilation arguments and prepare to write out a
|
|
-- new ali file.
|
|
|
|
Create_Output_Library_Info;
|
|
|
|
-- Output version line
|
|
|
|
Write_Info_Initiate ('V');
|
|
Write_Info_Str (" """);
|
|
Write_Info_Str (Verbose_Library_Version);
|
|
Write_Info_Char ('"');
|
|
|
|
Write_Info_EOL;
|
|
|
|
-- Output main program line if this is acceptable main program
|
|
|
|
Output_Main_Program_Line : declare
|
|
U : Node_Id := Unit (Units.Table (Main_Unit).Cunit);
|
|
S : Node_Id;
|
|
|
|
procedure M_Parameters;
|
|
-- Output parameters for main program line
|
|
|
|
------------------
|
|
-- M_Parameters --
|
|
------------------
|
|
|
|
procedure M_Parameters is
|
|
begin
|
|
if Main_Priority (Main_Unit) /= Default_Main_Priority then
|
|
Write_Info_Char (' ');
|
|
Write_Info_Nat (Main_Priority (Main_Unit));
|
|
end if;
|
|
|
|
if Opt.Time_Slice_Set then
|
|
Write_Info_Str (" T=");
|
|
Write_Info_Nat (Opt.Time_Slice_Value);
|
|
end if;
|
|
|
|
if Main_CPU (Main_Unit) /= Default_Main_CPU then
|
|
Write_Info_Str (" C=");
|
|
Write_Info_Nat (Main_CPU (Main_Unit));
|
|
end if;
|
|
|
|
Write_Info_Str (" W=");
|
|
Write_Info_Char
|
|
(WC_Encoding_Letters (Wide_Character_Encoding_Method));
|
|
|
|
Write_Info_EOL;
|
|
end M_Parameters;
|
|
|
|
-- Start of processing for Output_Main_Program_Line
|
|
|
|
begin
|
|
if Nkind (U) = N_Subprogram_Body
|
|
or else
|
|
(Nkind (U) = N_Package_Body
|
|
and then
|
|
Nkind (Original_Node (U)) in N_Subprogram_Instantiation)
|
|
then
|
|
-- If the unit is a subprogram instance, the entity for the
|
|
-- subprogram is the alias of the visible entity, which is the
|
|
-- related instance of the wrapper package. We retrieve the
|
|
-- subprogram declaration of the desired entity.
|
|
|
|
if Nkind (U) = N_Package_Body then
|
|
U := Parent (Parent (
|
|
Alias (Related_Instance (Defining_Unit_Name
|
|
(Specification (Unit (Library_Unit (Parent (U)))))))));
|
|
end if;
|
|
|
|
S := Specification (U);
|
|
|
|
-- A generic subprogram is never a main program
|
|
|
|
if Nkind (U) = N_Subprogram_Body
|
|
and then Present (Corresponding_Spec (U))
|
|
and then
|
|
Ekind_In (Corresponding_Spec (U), E_Generic_Procedure,
|
|
E_Generic_Function)
|
|
then
|
|
null;
|
|
|
|
elsif No (Parameter_Specifications (S)) then
|
|
if Nkind (S) = N_Procedure_Specification then
|
|
Write_Info_Initiate ('M');
|
|
Write_Info_Str (" P");
|
|
M_Parameters;
|
|
|
|
else
|
|
declare
|
|
Nam : Node_Id := Defining_Unit_Name (S);
|
|
|
|
begin
|
|
-- If it is a child unit, get its simple name
|
|
|
|
if Nkind (Nam) = N_Defining_Program_Unit_Name then
|
|
Nam := Defining_Identifier (Nam);
|
|
end if;
|
|
|
|
if Is_Integer_Type (Etype (Nam)) then
|
|
Write_Info_Initiate ('M');
|
|
Write_Info_Str (" F");
|
|
M_Parameters;
|
|
end if;
|
|
end;
|
|
end if;
|
|
end if;
|
|
end if;
|
|
end Output_Main_Program_Line;
|
|
|
|
-- Write command argument ('A') lines
|
|
|
|
for A in 1 .. Compilation_Switches.Last loop
|
|
Write_Info_Initiate ('A');
|
|
Write_Info_Char (' ');
|
|
Write_Info_Str (Compilation_Switches.Table (A).all);
|
|
Write_Info_Terminate;
|
|
end loop;
|
|
|
|
-- Output parameters ('P') line
|
|
|
|
Write_Info_Initiate ('P');
|
|
|
|
if Compilation_Errors then
|
|
Write_Info_Str (" CE");
|
|
end if;
|
|
|
|
if Opt.Detect_Blocking then
|
|
Write_Info_Str (" DB");
|
|
end if;
|
|
|
|
if Tasking_Used
|
|
and then not Is_Predefined_File_Name (Unit_File_Name (Main_Unit))
|
|
then
|
|
if Locking_Policy /= ' ' then
|
|
Write_Info_Str (" L");
|
|
Write_Info_Char (Locking_Policy);
|
|
end if;
|
|
|
|
if Queuing_Policy /= ' ' then
|
|
Write_Info_Str (" Q");
|
|
Write_Info_Char (Queuing_Policy);
|
|
end if;
|
|
|
|
if Task_Dispatching_Policy /= ' ' then
|
|
Write_Info_Str (" T");
|
|
Write_Info_Char (Task_Dispatching_Policy);
|
|
Write_Info_Char (' ');
|
|
end if;
|
|
end if;
|
|
|
|
if GNATprove_Mode then
|
|
Write_Info_Str (" GP");
|
|
end if;
|
|
|
|
if Partition_Elaboration_Policy /= ' ' then
|
|
Write_Info_Str (" E");
|
|
Write_Info_Char (Partition_Elaboration_Policy);
|
|
end if;
|
|
|
|
if not Object then
|
|
Write_Info_Str (" NO");
|
|
end if;
|
|
|
|
if No_Run_Time_Mode then
|
|
Write_Info_Str (" NR");
|
|
end if;
|
|
|
|
if Normalize_Scalars then
|
|
Write_Info_Str (" NS");
|
|
end if;
|
|
|
|
if Default_SSO_Config /= ' ' then
|
|
Write_Info_Str (" O");
|
|
Write_Info_Char (Default_SSO_Config);
|
|
end if;
|
|
|
|
if Sec_Stack_Used then
|
|
Write_Info_Str (" SS");
|
|
end if;
|
|
|
|
if Unreserve_All_Interrupts then
|
|
Write_Info_Str (" UA");
|
|
end if;
|
|
|
|
if Front_End_Exceptions then
|
|
Write_Info_Str (" FX");
|
|
end if;
|
|
|
|
if ZCX_Exceptions then
|
|
Write_Info_Str (" ZX");
|
|
end if;
|
|
|
|
Write_Info_EOL;
|
|
|
|
-- Before outputting the restrictions line, update the setting of
|
|
-- the No_Elaboration_Code flag. Violations of this restriction
|
|
-- cannot be detected until after the backend has been called since
|
|
-- it is the backend that sets this flag. We have to check all units
|
|
-- for which we have generated code
|
|
|
|
for Unit in Units.First .. Last_Unit loop
|
|
if Units.Table (Unit).Generate_Code or else Unit = Main_Unit then
|
|
if not Has_No_Elaboration_Code (Cunit (Unit)) then
|
|
Main_Restrictions.Violated (No_Elaboration_Code) := True;
|
|
end if;
|
|
end if;
|
|
end loop;
|
|
|
|
-- Positional case (only if debug flag -gnatd.R is set)
|
|
|
|
if Debug_Flag_Dot_RR then
|
|
|
|
-- Output first restrictions line
|
|
|
|
Write_Info_Initiate ('R');
|
|
Write_Info_Char (' ');
|
|
|
|
-- First the information for the boolean restrictions
|
|
|
|
for R in All_Boolean_Restrictions loop
|
|
if Main_Restrictions.Set (R)
|
|
and then not Restriction_Warnings (R)
|
|
then
|
|
Write_Info_Char ('r');
|
|
elsif Main_Restrictions.Violated (R) then
|
|
Write_Info_Char ('v');
|
|
else
|
|
Write_Info_Char ('n');
|
|
end if;
|
|
end loop;
|
|
|
|
-- And now the information for the parameter restrictions
|
|
|
|
for RP in All_Parameter_Restrictions loop
|
|
if Main_Restrictions.Set (RP)
|
|
and then not Restriction_Warnings (RP)
|
|
then
|
|
Write_Info_Char ('r');
|
|
Write_Info_Nat (Nat (Main_Restrictions.Value (RP)));
|
|
else
|
|
Write_Info_Char ('n');
|
|
end if;
|
|
|
|
if not Main_Restrictions.Violated (RP)
|
|
or else RP not in Checked_Parameter_Restrictions
|
|
then
|
|
Write_Info_Char ('n');
|
|
else
|
|
Write_Info_Char ('v');
|
|
Write_Info_Nat (Nat (Main_Restrictions.Count (RP)));
|
|
|
|
if Main_Restrictions.Unknown (RP) then
|
|
Write_Info_Char ('+');
|
|
end if;
|
|
end if;
|
|
end loop;
|
|
|
|
Write_Info_EOL;
|
|
|
|
-- Named case (if debug flag -gnatd.R is not set)
|
|
|
|
else
|
|
declare
|
|
C : Character;
|
|
|
|
begin
|
|
-- Write RN header line with preceding blank line
|
|
|
|
Write_Info_EOL;
|
|
Write_Info_Initiate ('R');
|
|
Write_Info_Char ('N');
|
|
Write_Info_EOL;
|
|
|
|
-- First the lines for the boolean restrictions
|
|
|
|
for R in All_Boolean_Restrictions loop
|
|
if Main_Restrictions.Set (R)
|
|
and then not Restriction_Warnings (R)
|
|
then
|
|
C := 'R';
|
|
elsif Main_Restrictions.Violated (R) then
|
|
C := 'V';
|
|
else
|
|
goto Continue;
|
|
end if;
|
|
|
|
Write_Info_Initiate ('R');
|
|
Write_Info_Char (C);
|
|
Write_Info_Char (' ');
|
|
Write_Info_Str (All_Boolean_Restrictions'Image (R));
|
|
Write_Info_EOL;
|
|
|
|
<<Continue>>
|
|
null;
|
|
end loop;
|
|
end;
|
|
|
|
-- And now the lines for the parameter restrictions
|
|
|
|
for RP in All_Parameter_Restrictions loop
|
|
if Main_Restrictions.Set (RP)
|
|
and then not Restriction_Warnings (RP)
|
|
then
|
|
Write_Info_Initiate ('R');
|
|
Write_Info_Str ("R ");
|
|
Write_Info_Str (All_Parameter_Restrictions'Image (RP));
|
|
Write_Info_Char ('=');
|
|
Write_Info_Nat (Nat (Main_Restrictions.Value (RP)));
|
|
Write_Info_EOL;
|
|
end if;
|
|
|
|
if not Main_Restrictions.Violated (RP)
|
|
or else RP not in Checked_Parameter_Restrictions
|
|
then
|
|
null;
|
|
else
|
|
Write_Info_Initiate ('R');
|
|
Write_Info_Str ("V ");
|
|
Write_Info_Str (All_Parameter_Restrictions'Image (RP));
|
|
Write_Info_Char ('=');
|
|
Write_Info_Nat (Nat (Main_Restrictions.Count (RP)));
|
|
|
|
if Main_Restrictions.Unknown (RP) then
|
|
Write_Info_Char ('+');
|
|
end if;
|
|
|
|
Write_Info_EOL;
|
|
end if;
|
|
end loop;
|
|
end if;
|
|
|
|
-- Output R lines for No_Dependence entries
|
|
|
|
for J in No_Dependences.First .. No_Dependences.Last loop
|
|
if In_Extended_Main_Source_Unit (No_Dependences.Table (J).Unit)
|
|
and then not No_Dependences.Table (J).Warn
|
|
then
|
|
Write_Info_Initiate ('R');
|
|
Write_Info_Char (' ');
|
|
Write_Unit_Name (No_Dependences.Table (J).Unit);
|
|
Write_Info_EOL;
|
|
end if;
|
|
end loop;
|
|
|
|
-- Output interrupt state lines
|
|
|
|
for J in Interrupt_States.First .. Interrupt_States.Last loop
|
|
Write_Info_Initiate ('I');
|
|
Write_Info_Char (' ');
|
|
Write_Info_Nat (Interrupt_States.Table (J).Interrupt_Number);
|
|
Write_Info_Char (' ');
|
|
Write_Info_Char (Interrupt_States.Table (J).Interrupt_State);
|
|
Write_Info_Char (' ');
|
|
Write_Info_Nat
|
|
(Nat (Get_Logical_Line_Number
|
|
(Interrupt_States.Table (J).Pragma_Loc)));
|
|
Write_Info_EOL;
|
|
end loop;
|
|
|
|
-- Output priority specific dispatching lines
|
|
|
|
for J in Specific_Dispatching.First .. Specific_Dispatching.Last loop
|
|
Write_Info_Initiate ('S');
|
|
Write_Info_Char (' ');
|
|
Write_Info_Char (Specific_Dispatching.Table (J).Dispatching_Policy);
|
|
Write_Info_Char (' ');
|
|
Write_Info_Nat (Specific_Dispatching.Table (J).First_Priority);
|
|
Write_Info_Char (' ');
|
|
Write_Info_Nat (Specific_Dispatching.Table (J).Last_Priority);
|
|
Write_Info_Char (' ');
|
|
Write_Info_Nat
|
|
(Nat (Get_Logical_Line_Number
|
|
(Specific_Dispatching.Table (J).Pragma_Loc)));
|
|
Write_Info_EOL;
|
|
end loop;
|
|
|
|
-- Loop through file table to output information for all units for which
|
|
-- we have generated code, as marked by the Generate_Code flag.
|
|
|
|
for Unit in Units.First .. Last_Unit loop
|
|
if Units.Table (Unit).Generate_Code
|
|
or else Unit = Main_Unit
|
|
then
|
|
Write_Info_EOL; -- blank line
|
|
Write_Unit_Information (Unit);
|
|
end if;
|
|
end loop;
|
|
|
|
Write_Info_EOL; -- blank line
|
|
|
|
-- Output external version reference lines
|
|
|
|
for J in 1 .. Version_Ref.Last loop
|
|
Write_Info_Initiate ('E');
|
|
Write_Info_Char (' ');
|
|
|
|
for K in 1 .. String_Length (Version_Ref.Table (J)) loop
|
|
Write_Info_Char_Code (Get_String_Char (Version_Ref.Table (J), K));
|
|
end loop;
|
|
|
|
Write_Info_EOL;
|
|
end loop;
|
|
|
|
-- Prepare to output the source dependency lines
|
|
|
|
declare
|
|
Unum : Unit_Number_Type;
|
|
-- Number of unit being output
|
|
|
|
Sind : Source_File_Index;
|
|
-- Index of corresponding source file
|
|
|
|
Fname : File_Name_Type;
|
|
|
|
begin
|
|
for J in 1 .. Num_Sdep loop
|
|
Unum := Sdep_Table (J);
|
|
Units.Table (Unum).Dependency_Num := J;
|
|
Sind := Units.Table (Unum).Source_Index;
|
|
|
|
Write_Info_Initiate ('D');
|
|
Write_Info_Char (' ');
|
|
|
|
-- Normal case of a unit entry with a source index
|
|
|
|
if Sind /= No_Source_File then
|
|
Fname := File_Name (Sind);
|
|
|
|
-- Ensure that on platforms where the file names are not case
|
|
-- sensitive, the recorded file name is in lower case.
|
|
|
|
if not File_Names_Case_Sensitive then
|
|
Get_Name_String (Fname);
|
|
To_Lower (Name_Buffer (1 .. Name_Len));
|
|
Fname := Name_Find;
|
|
end if;
|
|
|
|
Write_Info_Name_May_Be_Quoted (Fname);
|
|
Write_Info_Tab (25);
|
|
Write_Info_Str (String (Time_Stamp (Sind)));
|
|
Write_Info_Char (' ');
|
|
Write_Info_Str (Get_Hex_String (Source_Checksum (Sind)));
|
|
|
|
-- If the dependency comes from a limited_with clause, record
|
|
-- limited_checksum. This is disabled until full checksum
|
|
-- changes are checked.
|
|
|
|
-- if Present (Cunit_Entity (Unum))
|
|
-- and then From_Limited_With (Cunit_Entity (Unum))
|
|
-- then
|
|
-- Write_Info_Char (' ');
|
|
-- Write_Info_Char ('Y');
|
|
-- Write_Info_Str (Get_Hex_String (Limited_Chk_Sum (Sind)));
|
|
-- end if;
|
|
|
|
-- If subunit, add unit name, omitting the %b at the end
|
|
|
|
if Present (Cunit (Unum)) then
|
|
Get_Decoded_Name_String (Unit_Name (Unum));
|
|
Write_Info_Char (' ');
|
|
|
|
if Nkind (Unit (Cunit (Unum))) = N_Subunit then
|
|
Write_Info_Str (Name_Buffer (1 .. Name_Len - 2));
|
|
else
|
|
Write_Info_Str (Name_Buffer (1 .. Name_Len));
|
|
end if;
|
|
end if;
|
|
|
|
-- If Source_Reference pragma used, output information
|
|
|
|
if Num_SRef_Pragmas (Sind) > 0 then
|
|
Write_Info_Char (' ');
|
|
|
|
if Num_SRef_Pragmas (Sind) = 1 then
|
|
Write_Info_Nat (Int (First_Mapped_Line (Sind)));
|
|
else
|
|
Write_Info_Nat (0);
|
|
end if;
|
|
|
|
Write_Info_Char (':');
|
|
Write_Info_Name (Reference_Name (Sind));
|
|
end if;
|
|
|
|
-- Case where there is no source index (happens for missing
|
|
-- files). In this case we write a dummy time stamp.
|
|
|
|
else
|
|
Write_Info_Name (Unit_File_Name (Unum));
|
|
Write_Info_Tab (25);
|
|
Write_Info_Str (String (Dummy_Time_Stamp));
|
|
Write_Info_Char (' ');
|
|
Write_Info_Str (Get_Hex_String (0));
|
|
end if;
|
|
|
|
Write_Info_EOL;
|
|
end loop;
|
|
end;
|
|
|
|
-- Output cross-references
|
|
|
|
if Opt.Xref_Active then
|
|
Output_References;
|
|
end if;
|
|
|
|
-- Output SCO information if present
|
|
|
|
if Generate_SCO then
|
|
SCO_Record_Filtered;
|
|
SCO_Output;
|
|
end if;
|
|
|
|
-- Output SPARK cross-reference information if needed
|
|
|
|
if Opt.Xref_Active and then GNATprove_Mode then
|
|
SPARK_Specific.Collect_SPARK_Xrefs (Sdep_Table => Sdep_Table,
|
|
Num_Sdep => Num_Sdep);
|
|
SPARK_Specific.Output_SPARK_Xrefs;
|
|
end if;
|
|
|
|
-- Output final blank line and we are done. This final blank line is
|
|
-- probably junk, but we don't feel like making an incompatible change.
|
|
|
|
Write_Info_Terminate;
|
|
Close_Output_Library_Info;
|
|
end Write_ALI;
|
|
|
|
---------------------
|
|
-- Write_Unit_Name --
|
|
---------------------
|
|
|
|
procedure Write_Unit_Name (N : Node_Id) is
|
|
begin
|
|
if Nkind (N) = N_Identifier then
|
|
Write_Info_Name (Chars (N));
|
|
|
|
else
|
|
pragma Assert (Nkind (N) = N_Selected_Component);
|
|
Write_Unit_Name (Prefix (N));
|
|
Write_Info_Char ('.');
|
|
Write_Unit_Name (Selector_Name (N));
|
|
end if;
|
|
end Write_Unit_Name;
|
|
|
|
end Lib.Writ;
|