1100 lines
36 KiB
Ada
1100 lines
36 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) 1992-2004 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 2, 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 COPYING. If not, write --
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-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
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-- MA 02111-1307, USA. --
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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 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 Namet; use Namet;
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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 Par;
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with Restrict; use Restrict;
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with Rident; use Rident;
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with Scn; use Scn;
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with Sinfo; use Sinfo;
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with Sinput; use Sinput;
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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.WCh_Con; use System.WCh_Con;
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package body Lib.Writ is
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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_Name,
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Expected_Unit => No_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 => False,
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Generate_Code => False,
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Has_RACW => 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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Munit_Index => 0,
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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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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 => False,
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Generate_Code => False,
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Has_RACW => 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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Munit_Index => 0,
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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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-- Parse system.ads so that the checksum is set right
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-- Style checks are not applied.
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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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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_All_Desirable set
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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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-----------------------
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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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-- Ada 2005 (AI-50217): limited with_clauses do not create
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-- dependencies
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if Nkind (Item) = N_With_Clause
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and then not (Limited_Present (Item))
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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 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 (Cunit_Entity (Unum)) then
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Elab_Des_Flags (Unum) := True;
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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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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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-- We set the Elaborate_Body indication if either an explicit pragma
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-- was present, or if this is an instantiation. RM 12.3(20) requires
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-- that the body be immediately elaborated after the spec. We would
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-- normally do that anyway, but the EB we generate here ensures that
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-- this gets done even when we use the -p gnatbind switch.
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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 reset to true during elaboration. We
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-- 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
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Ekind (Uent) = E_Package
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or else
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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
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(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
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(Declaration_Node
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(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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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 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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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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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
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when Mixed_Case => Write_Info_Str (" KM");
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when All_Upper_Case => Write_Info_Str (" KU");
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when others => null;
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end case;
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end if;
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if Initialize_Scalars then
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Write_Info_Str (" IS");
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end if;
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Write_Info_EOL;
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-- Generate with lines, first those that are directly with'ed
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for J in With_Flags'Range loop
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With_Flags (J) := False;
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Elab_Flags (J) := False;
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Elab_All_Flags (J) := False;
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Elab_Des_Flags (J) := False;
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end loop;
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Collect_Withs (Unode);
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-- For a body, we must also check for any subunits which belong to
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-- it and which have context clauses of their own, since these
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-- with'ed units are part of its own elaboration dependencies.
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if Nkind (Unit (Unode)) in N_Unit_Body then
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for S in Units.First .. Last_Unit loop
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-- We are only interested in subunits.
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-- For preproc. data and def. files, Cunit is Empty, so
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-- we need to test that first.
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if Cunit (S) /= Empty
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and then Nkind (Unit (Cunit (S))) = N_Subunit
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then
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Pnode := Library_Unit (Cunit (S));
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-- In gnatc mode, the errors in the subunits will not
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-- have been recorded, but the analysis of the subunit
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-- may have failed. There is no information to add to
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-- ALI file in this case.
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if No (Pnode) then
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exit;
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end if;
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-- Find ultimate parent of the subunit
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while Nkind (Unit (Pnode)) = N_Subunit loop
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Pnode := Library_Unit (Pnode);
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end loop;
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-- See if it belongs to current unit, and if so, include
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-- its with_clauses.
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if Pnode = Unode then
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Collect_Withs (Cunit (S));
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end if;
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end if;
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end loop;
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end if;
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Write_With_Lines;
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-- Output linker option lines
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for J in 1 .. Linker_Option_Lines.Last loop
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declare
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S : constant Linker_Option_Entry :=
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Linker_Option_Lines.Table (J);
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C : Character;
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begin
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if S.Unit = Unit_Num then
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Write_Info_Initiate ('L');
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Write_Info_Str (" """);
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for J in 1 .. String_Length (S.Option) loop
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C := Get_Character (Get_String_Char (S.Option, J));
|
|
|
|
if C in Character'Val (16#20#) .. Character'Val (16#7E#)
|
|
and then C /= '{'
|
|
then
|
|
Write_Info_Char (C);
|
|
|
|
if C = '"' then
|
|
Write_Info_Char (C);
|
|
end if;
|
|
|
|
else
|
|
declare
|
|
Hex : constant array (0 .. 15) of Character :=
|
|
"0123456789ABCDEF";
|
|
|
|
begin
|
|
Write_Info_Char ('{');
|
|
Write_Info_Char (Hex (Character'Pos (C) / 16));
|
|
Write_Info_Char (Hex (Character'Pos (C) mod 16));
|
|
Write_Info_Char ('}');
|
|
end;
|
|
end if;
|
|
end loop;
|
|
|
|
Write_Info_Char ('"');
|
|
Write_Info_EOL;
|
|
end if;
|
|
end;
|
|
end loop;
|
|
end Write_Unit_Information;
|
|
|
|
----------------------
|
|
-- Write_With_Lines --
|
|
----------------------
|
|
|
|
procedure Write_With_Lines is
|
|
With_Table : Unit_Ref_Table (1 .. Pos (Last_Unit - Units.First + 1));
|
|
Num_Withs : Int := 0;
|
|
Unum : Unit_Number_Type;
|
|
Cunit : Node_Id;
|
|
Cunite : Entity_Id;
|
|
Uname : Unit_Name_Type;
|
|
Fname : File_Name_Type;
|
|
Pname : constant Unit_Name_Type :=
|
|
Get_Parent_Spec_Name (Unit_Name (Main_Unit));
|
|
Body_Fname : File_Name_Type;
|
|
Body_Index : Nat;
|
|
|
|
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 unecessarily 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 preproc. data and def. files, there is no Unit_Name,
|
|
-- check for that first.
|
|
|
|
if Unit_Name (J) /= No_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);
|
|
Cunit := Units.Table (Unum).Cunit;
|
|
Cunite := Units.Table (Unum).Cunit_Entity;
|
|
Uname := Units.Table (Unum).Unit_Name;
|
|
Fname := Units.Table (Unum).Unit_File_Name;
|
|
|
|
Write_Info_Initiate ('W');
|
|
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.
|
|
|
|
if (Nkind (Unit (Cunit)) not in N_Generic_Declaration
|
|
and then
|
|
Nkind (Unit (Cunit)) not in N_Generic_Renaming_Declaration)
|
|
or else Generic_Separately_Compiled (Cunite)
|
|
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_Info_Name (Body_Fname);
|
|
Write_Info_Tab (49);
|
|
Write_Info_Name
|
|
(Lib_File_Name (Body_Fname, Body_Index));
|
|
else
|
|
Write_Info_Name (Fname);
|
|
Write_Info_Tab (49);
|
|
Write_Info_Name
|
|
(Lib_File_Name (Fname, Munit_Index (Unum)));
|
|
end if;
|
|
|
|
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;
|
|
end if;
|
|
|
|
Write_Info_EOL;
|
|
end loop;
|
|
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 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_With_Type (Cunit_Entity (Unum))
|
|
then
|
|
Num_Sdep := Num_Sdep + 1;
|
|
Sdep_Table (Num_Sdep) := Unum;
|
|
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 accessible, read it, and acquire the compilation
|
|
-- arguments from this file.
|
|
|
|
if Operating_Mode /= Generate_Code 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;
|
|
|
|
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)) = N_Function_Instantiation
|
|
or else
|
|
Nkind (Original_Node (U)) =
|
|
N_Procedure_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);
|
|
|
|
if not Present (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 argmument ('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.Float_Format /= ' ' then
|
|
Write_Info_Str (" F");
|
|
|
|
if Opt.Float_Format = 'I' then
|
|
Write_Info_Char ('I');
|
|
|
|
elsif Opt.Float_Format_Long = 'D' then
|
|
Write_Info_Char ('D');
|
|
|
|
else
|
|
Write_Info_Char ('G');
|
|
end if;
|
|
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 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 Sec_Stack_Used then
|
|
Write_Info_Str (" SS");
|
|
end if;
|
|
|
|
if Unreserve_All_Interrupts then
|
|
Write_Info_Str (" UA");
|
|
end if;
|
|
|
|
if Exception_Mechanism /= Front_End_Setjmp_Longjmp_Exceptions then
|
|
if Unit_Exception_Table_Present then
|
|
Write_Info_Str (" UX");
|
|
end if;
|
|
|
|
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;
|
|
|
|
-- Output 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) 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;
|
|
|
|
-- 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;
|
|
|
|
-- 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
|
|
|
|
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
|
|
Write_Info_Name (File_Name (Sind));
|
|
Write_Info_Tab (25);
|
|
Write_Info_Str (String (Time_Stamp (Sind)));
|
|
Write_Info_Char (' ');
|
|
Write_Info_Str (Get_Hex_String (Source_Checksum (Sind)));
|
|
|
|
-- If subunit, add unit name, omitting the %b at the end
|
|
|
|
if Present (Cunit (Unum))
|
|
and then Nkind (Unit (Cunit (Unum))) = N_Subunit
|
|
then
|
|
Get_Decoded_Name_String (Unit_Name (Unum));
|
|
Write_Info_Char (' ');
|
|
Write_Info_Str (Name_Buffer (1 .. Name_Len - 2));
|
|
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_References;
|
|
Write_Info_Terminate;
|
|
Close_Output_Library_Info;
|
|
|
|
end Write_ALI;
|
|
|
|
end Lib.Writ;
|