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authorbosch <bosch@138bc75d-0d04-0410-961f-82ee72b054a4>2002-03-08 20:11:04 +0000
committerbosch <bosch@138bc75d-0d04-0410-961f-82ee72b054a4>2002-03-08 20:11:04 +0000
commitf15731c43ae5e8cea424ea40f905c19afa1bd2e4 (patch)
treeb584a79288c93215b05fb451943291ccd039388b /gcc/ada/osint-c.adb
parent1d347c236ad815c77bd345611ed221b0bd6091de (diff)
downloadgcc-f15731c43ae5e8cea424ea40f905c19afa1bd2e4.tar.gz
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sem_elab.adb, sem_elim.adb, sem_elim.ads, sem_eval.adb, sem_intr.adb, sem_mech.adb, sem_prag.adb, sem_res.adb, sem_type.adb, sem_util.adb, sem_util.ads, sem_vfpt.adb, sem_warn.adb, sinfo.adb, sinfo.ads, sinfo.h, sinput-l.adb, sinput-l.ads, sinput.adb, sinput.ads, snames.adb, snames.ads, snames.h, sprint.adb, sprint.ads, stringt.adb, stringt.ads, stringt.h, style.adb, switch.adb, switch.ads, sysdep.c, system.ads, table.adb, targparm.adb, targparm.ads, targtyps.c, tbuild.adb, tbuild.ads, tracebak.c, trans.c, tree_gen.adb, tree_io.adb, treepr.adb, treepr.ads, treeprs.ads, treeprs.adt, ttypes.ads, types.adb, types.ads, types.h, uintp.ads, urealp.ads, usage.adb, utils.c, utils2.c, validsw.adb, xnmake.adb, xr_tabls.adb, xr_tabls.ads, xref_lib.adb, xref_lib.ads : Merge in ACT changes. * 1ssecsta.adb, 1ssecsta.ads, a-chlat9.ads, a-cwila9.ads, g-enblsp.adb, g-md5.adb, g-md5.ads, gnatname.adb, gnatname.ads, mkdir.c, osint-b.adb, osint-b.ads, osint-c.adb, osint-c.ads, osint-l.adb, osint-l.ads, osint-m.adb, osint-m.ads : New files * 3lsoccon.ads, 5qparame.ads, 5qvxwork.ads, 5smastop.adb, 5zparame.ads, gnatmain.adb, gnatmain.ads, gnatpsys.adb : Removed * mdllfile.adb, mdllfile.ads, mdlltool.adb, mdlltool.ads : Renamed to mdll-fil.ad[bs] and mdll-util.ad[bs] * mdll-fil.adb, mdll-fil.ads, mdll-utl.adb, mdll-utl.ads : Renamed from mdllfile.ad[bs] and mdlltool.ad[bs] git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50451 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ada/osint-c.adb')
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diff --git a/gcc/ada/osint-c.adb b/gcc/ada/osint-c.adb
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@@ -0,0 +1,380 @@
+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- O S I N T - C --
+-- --
+-- B o d y --
+-- --
+-- $Revision$
+-- --
+-- Copyright (C) 2001 Free Software Foundation, Inc. --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 2, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNAT; see file COPYING. If not, write --
+-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
+-- MA 02111-1307, USA. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
+-- --
+------------------------------------------------------------------------------
+
+with Hostparm;
+with Namet; use Namet;
+with Opt; use Opt;
+with Tree_IO; use Tree_IO;
+
+package body Osint.C is
+
+ Output_Object_File_Name : String_Ptr;
+ -- Argument of -o compiler option, if given. This is needed to
+ -- verify consistency with the ALI file name.
+
+ procedure Adjust_OS_Resource_Limits;
+ pragma Import (C, Adjust_OS_Resource_Limits,
+ "__gnat_adjust_os_resource_limits");
+ -- Procedure to make system specific adjustments to make GNAT
+ -- run better.
+
+ function Create_Auxiliary_File
+ (Src : File_Name_Type;
+ Suffix : String)
+ return File_Name_Type;
+ -- Common processing for Creat_Repinfo_File and Create_Debug_File.
+ -- Src is the file name used to create the required output file and
+ -- Suffix is the desired suffic (dg/rep for debug/repinfo file).
+
+ procedure Set_Library_Info_Name;
+ -- Sets a default ali file name from the main compiler source name.
+ -- This is used by Create_Output_Library_Info, and by the version of
+ -- Read_Library_Info that takes a default file name.
+
+ ----------------------
+ -- Close_Debug_File --
+ ----------------------
+
+ procedure Close_Debug_File is
+ begin
+ Close (Output_FD);
+ end Close_Debug_File;
+
+ -------------------------------
+ -- Close_Output_Library_Info --
+ -------------------------------
+
+ procedure Close_Output_Library_Info is
+ begin
+ Close (Output_FD);
+ end Close_Output_Library_Info;
+
+ ------------------------
+ -- Close_Repinfo_File --
+ ------------------------
+
+ procedure Close_Repinfo_File is
+ begin
+ Close (Output_FD);
+ end Close_Repinfo_File;
+
+ ---------------------------
+ -- Create_Auxiliary_File --
+ ---------------------------
+
+ function Create_Auxiliary_File
+ (Src : File_Name_Type;
+ Suffix : String)
+ return File_Name_Type
+ is
+ Result : File_Name_Type;
+
+ begin
+ Get_Name_String (Src);
+
+ if Hostparm.OpenVMS then
+ Name_Buffer (Name_Len + 1) := '_';
+ else
+ Name_Buffer (Name_Len + 1) := '.';
+ end if;
+
+ Name_Len := Name_Len + 1;
+ Name_Buffer (Name_Len + 1 .. Name_Len + Suffix'Length) := Suffix;
+ Name_Len := Name_Len + Suffix'Length;
+
+ if Output_Object_File_Name /= null then
+
+ for Index in reverse Output_Object_File_Name'Range loop
+
+ if Output_Object_File_Name (Index) = Directory_Separator then
+ declare
+ File_Name : constant String := Name_Buffer (1 .. Name_Len);
+
+ begin
+ Name_Len := Index - Output_Object_File_Name'First + 1;
+ Name_Buffer (1 .. Name_Len) :=
+ Output_Object_File_Name
+ (Output_Object_File_Name'First .. Index);
+ Name_Buffer (Name_Len + 1 .. Name_Len + File_Name'Length) :=
+ File_Name;
+ Name_Len := Name_Len + File_Name'Length;
+ end;
+
+ exit;
+ end if;
+ end loop;
+ end if;
+
+ Result := Name_Find;
+ Name_Buffer (Name_Len + 1) := ASCII.NUL;
+ Create_File_And_Check (Output_FD, Text);
+ return Result;
+ end Create_Auxiliary_File;
+
+ -----------------------
+ -- Create_Debug_File --
+ -----------------------
+
+ function Create_Debug_File (Src : File_Name_Type) return File_Name_Type is
+ begin
+ return Create_Auxiliary_File (Src, "dg");
+ end Create_Debug_File;
+
+ --------------------------------
+ -- Create_Output_Library_Info --
+ --------------------------------
+
+ procedure Create_Output_Library_Info is
+ begin
+ Set_Library_Info_Name;
+ Create_File_And_Check (Output_FD, Text);
+ end Create_Output_Library_Info;
+
+ --------------------------
+ -- Creat_Repinfo_File --
+ --------------------------
+
+ procedure Creat_Repinfo_File (Src : File_Name_Type) is
+ S : constant File_Name_Type := Create_Auxiliary_File (Src, "rep");
+ pragma Warnings (Off, S);
+
+ begin
+ return;
+ end Creat_Repinfo_File;
+
+ ---------------------------
+ -- Debug_File_Eol_Length --
+ ---------------------------
+
+ function Debug_File_Eol_Length return Nat is
+ begin
+ -- There has to be a cleaner way to do this! ???
+
+ if Directory_Separator = '/' then
+ return 1;
+ else
+ return 2;
+ end if;
+ end Debug_File_Eol_Length;
+
+ -----------------------
+ -- More_Source_Files --
+ -----------------------
+
+ function More_Source_Files return Boolean renames More_Files;
+
+ ----------------------
+ -- Next_Main_Source --
+ ----------------------
+
+ function Next_Main_Source return File_Name_Type renames Next_Main_File;
+
+ -----------------------
+ -- Read_Library_Info --
+ -----------------------
+
+ -- Version with default file name
+
+ procedure Read_Library_Info
+ (Name : out File_Name_Type;
+ Text : out Text_Buffer_Ptr)
+ is
+ begin
+ Set_Library_Info_Name;
+ Name := Name_Find;
+ Text := Read_Library_Info (Name, Fatal_Err => False);
+ end Read_Library_Info;
+
+ ---------------------------
+ -- Set_Library_Info_Name --
+ ---------------------------
+
+ procedure Set_Library_Info_Name is
+ Dot_Index : Natural;
+
+ begin
+ Get_Name_String (Current_Main);
+
+ -- Find last dot since we replace the existing extension by .ali. The
+ -- initialization to Name_Len + 1 provides for simply adding the .ali
+ -- extension if the source file name has no extension.
+
+ Dot_Index := Name_Len + 1;
+
+ for J in reverse 1 .. Name_Len loop
+ if Name_Buffer (J) = '.' then
+ Dot_Index := J;
+ exit;
+ end if;
+ end loop;
+
+ -- Make sure that the output file name matches the source file name.
+ -- To compare them, remove file name directories and extensions.
+
+ if Output_Object_File_Name /= null then
+ -- Make sure there is a dot at Dot_Index. This may not be the case
+ -- if the source file name has no extension.
+
+ Name_Buffer (Dot_Index) := '.';
+
+ declare
+ Name : constant String := Name_Buffer (1 .. Dot_Index);
+ Len : constant Natural := Dot_Index;
+
+ begin
+ Name_Buffer (1 .. Output_Object_File_Name'Length)
+ := Output_Object_File_Name.all;
+ Dot_Index := 0;
+
+ for J in reverse Output_Object_File_Name'Range loop
+ if Name_Buffer (J) = '.' then
+ Dot_Index := J;
+ exit;
+ end if;
+ end loop;
+
+ pragma Assert (Dot_Index /= 0);
+ -- We check for the extension elsewhere
+
+ if Name /= Name_Buffer (Dot_Index - Len + 1 .. Dot_Index) then
+ Fail ("incorrect object file name");
+ end if;
+ end;
+ end if;
+
+ Name_Buffer (Dot_Index) := '.';
+ Name_Buffer (Dot_Index + 1 .. Dot_Index + 3) := ALI_Suffix.all;
+ Name_Buffer (Dot_Index + 4) := ASCII.NUL;
+ Name_Len := Dot_Index + 3;
+ end Set_Library_Info_Name;
+
+ ---------------------------------
+ -- Set_Output_Object_File_Name --
+ ---------------------------------
+
+ procedure Set_Output_Object_File_Name (Name : String) is
+ Ext : constant String := Object_Suffix;
+ NL : constant Natural := Name'Length;
+ EL : constant Natural := Ext'Length;
+
+ begin
+ -- Make sure that the object file has the expected extension.
+
+ if NL <= EL
+ or else
+ (Name (NL - EL + Name'First .. Name'Last) /= Ext
+ and then Name (NL - 2 + Name'First .. Name'Last) /= ".o")
+ then
+ Fail ("incorrect object file extension");
+ end if;
+
+ Output_Object_File_Name := new String'(Name);
+ end Set_Output_Object_File_Name;
+
+ ----------------
+ -- Tree_Close --
+ ----------------
+
+ procedure Tree_Close is
+ begin
+ Tree_Write_Terminate;
+ Close (Output_FD);
+ end Tree_Close;
+
+ -----------------
+ -- Tree_Create --
+ -----------------
+
+ procedure Tree_Create is
+ Dot_Index : Natural;
+
+ begin
+ Get_Name_String (Current_Main);
+
+ -- If an object file has been specified, then the ALI file
+ -- will be in the same directory as the object file;
+ -- so, we put the tree file in this same directory,
+ -- even though no object file needs to be generated.
+
+ if Output_Object_File_Name /= null then
+ Name_Len := Output_Object_File_Name'Length;
+ Name_Buffer (1 .. Name_Len) := Output_Object_File_Name.all;
+ end if;
+
+ Dot_Index := 0;
+ for J in reverse 1 .. Name_Len loop
+ if Name_Buffer (J) = '.' then
+ Dot_Index := J;
+ exit;
+ end if;
+ end loop;
+
+ -- Should be impossible to not have an extension
+
+ pragma Assert (Dot_Index /= 0);
+
+ -- Change exctension to adt
+
+ Name_Buffer (Dot_Index + 1) := 'a';
+ Name_Buffer (Dot_Index + 2) := 'd';
+ Name_Buffer (Dot_Index + 3) := 't';
+ Name_Buffer (Dot_Index + 4) := ASCII.NUL;
+ Name_Len := Dot_Index + 3;
+ Create_File_And_Check (Output_FD, Binary);
+
+ Tree_Write_Initialize (Output_FD);
+ end Tree_Create;
+
+ -----------------------
+ -- Write_Debug_Info --
+ -----------------------
+
+ procedure Write_Debug_Info (Info : String) renames Write_Info;
+
+ ------------------------
+ -- Write_Library_Info --
+ ------------------------
+
+ procedure Write_Library_Info (Info : String) renames Write_Info;
+
+ ------------------------
+ -- Write_Repinfo_Line --
+ ------------------------
+
+ procedure Write_Repinfo_Line (Info : String) renames Write_Info;
+
+begin
+
+ Adjust_OS_Resource_Limits;
+ Opt.Creat_Repinfo_File_Access := Creat_Repinfo_File'Access;
+ Opt.Write_Repinfo_Line_Access := Write_Repinfo_Line'Access;
+ Opt.Close_Repinfo_File_Access := Close_Repinfo_File'Access;
+
+ Set_Program (Compiler);
+
+end Osint.C;