+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- C O M P E R R --
--- --
--- B o d y --
--- --
--- $Revision: 1.3.10.3 $
--- --
--- Copyright (C) 1992-2002 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. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
--- This package contains routines called when a fatal internal compiler
--- error is detected. Calls to these routines cause termination of the
--- current compilation with appropriate error output.
-
-with Atree; use Atree;
-with Debug; use Debug;
-with Errout; use Errout;
-with Fname; use Fname;
-with Gnatvsn; use Gnatvsn;
-with Lib; use Lib;
-with Namet; use Namet;
-with Osint; use Osint;
-with Output; use Output;
-with Sinput; use Sinput;
-with Sprint; use Sprint;
-with Sdefault; use Sdefault;
-with Treepr; use Treepr;
-with Types; use Types;
-
-with Ada.Exceptions; use Ada.Exceptions;
-
-with System.Soft_Links; use System.Soft_Links;
-
-package body Comperr is
-
- ----------------
- -- Local Data --
- ----------------
-
- Abort_In_Progress : Boolean := False;
- -- Used to prevent runaway recursion if something segfaults
- -- while processing a previous abort.
-
- -----------------------
- -- Local Subprograms --
- -----------------------
-
- procedure Repeat_Char (Char : Character; Col : Nat; After : Character);
- -- Output Char until current column is at or past Col, and then output
- -- the character given by After (if column is already past Col on entry,
- -- then the effect is simply to output the After character).
-
- --------------------
- -- Compiler_Abort --
- --------------------
-
- procedure Compiler_Abort
- (X : String;
- Code : Integer := 0)
- is
- procedure End_Line;
- -- Add blanks up to column 76, and then a final vertical bar
-
- procedure End_Line is
- begin
- Repeat_Char (' ', 76, '|');
- Write_Eol;
- end End_Line;
-
- -- Start of processing for Compiler_Abort
-
- begin
- -- Prevent recursion through Compiler_Abort, e.g. via SIGSEGV.
-
- if Abort_In_Progress then
- Exit_Program (E_Abort);
- end if;
-
- Abort_In_Progress := True;
-
- -- If errors have already occurred, then we guess that the abort may
- -- well be caused by previous errors, and we don't make too much fuss
- -- about it, since we want to let the programmer fix the errors first.
-
- -- Debug flag K disables this behavior (useful for debugging)
-
- if Errors_Detected /= 0 and then not Debug_Flag_K then
- Errout.Finalize;
-
- Set_Standard_Error;
- Write_Str ("compilation abandoned due to previous error");
- Write_Eol;
-
- Set_Standard_Output;
- Source_Dump;
- Tree_Dump;
- Exit_Program (E_Errors);
-
- -- Otherwise give message with details of the abort
-
- else
- Set_Standard_Error;
-
- -- Generate header for bug box
-
- Write_Char ('+');
- Repeat_Char ('=', 29, 'G');
- Write_Str ("NAT BUG DETECTED");
- Repeat_Char ('=', 76, '+');
- Write_Eol;
-
- -- Output GNAT version identification
-
- Write_Str ("| ");
- Write_Str (Gnat_Version_String);
- Write_Str (" (");
-
- -- Output target name, deleting junk final reverse slash
-
- if Target_Name.all (Target_Name.all'Last) = '\'
- or else Target_Name.all (Target_Name.all'Last) = '/'
- then
- Write_Str (Target_Name.all (1 .. Target_Name.all'Last - 1));
- else
- Write_Str (Target_Name.all);
- end if;
-
- -- Output identification of error
-
- Write_Str (") ");
-
- if X'Length + Column > 76 then
- if Code < 0 then
- Write_Str ("GCC error:");
- end if;
-
- End_Line;
-
- Write_Str ("| ");
- end if;
-
- if X'Length > 70 then
- declare
- Last_Blank : Integer := 70;
-
- begin
- for P in 40 .. 69 loop
- if X (P) = ' ' then
- Last_Blank := P;
- end if;
- end loop;
-
- Write_Str (X (1 .. Last_Blank));
- End_Line;
- Write_Str ("| ");
- Write_Str (X (Last_Blank + 1 .. X'Length));
- end;
- else
- Write_Str (X);
- end if;
-
- if Code > 0 then
- Write_Str (", Code=");
- Write_Int (Int (Code));
-
- elsif Code = 0 then
-
- -- For exception case, get exception message from the TSD. Note
- -- that it would be neater and cleaner to pass the exception
- -- message (obtained from Exception_Message) as a parameter to
- -- Compiler_Abort, but we can't do this quite yet since it would
- -- cause bootstrap path problems for 3.10 to 3.11.
-
- Write_Char (' ');
- Write_Str (Exception_Message (Get_Current_Excep.all.all));
- end if;
-
- End_Line;
-
- -- Output source location information
-
- if Sloc (Current_Error_Node) <= Standard_Location
- or else Sloc (Current_Error_Node) = No_Location
- then
- Write_Str ("| No source file position information available");
- End_Line;
- else
- Write_Str ("| Error detected at ");
- Write_Location (Sloc (Current_Error_Node));
- End_Line;
- end if;
-
- -- There are two cases now. If the file gnat_bug.box exists,
- -- we use the contents of this file at this point.
-
- declare
- Lo : Source_Ptr;
- Hi : Source_Ptr;
- Src : Source_Buffer_Ptr;
-
- begin
- Namet.Unlock;
- Name_Buffer (1 .. 12) := "gnat_bug.box";
- Name_Len := 12;
- Read_Source_File (Name_Enter, 0, Hi, Src);
-
- -- If we get a Src file, we use it
-
- if Src /= null then
- Lo := 0;
-
- Outer : while Lo < Hi loop
- Write_Str ("| ");
-
- Inner : loop
- exit Inner when Src (Lo) = ASCII.CR
- or else Src (Lo) = ASCII.LF;
- Write_Char (Src (Lo));
- Lo := Lo + 1;
- end loop Inner;
-
- End_Line;
-
- while Lo <= Hi
- and then (Src (Lo) = ASCII.CR
- or else Src (Lo) = ASCII.LF)
- loop
- Lo := Lo + 1;
- end loop;
- end loop Outer;
-
- -- Otherwise we use the standard fixed text
-
- else
- Write_Str
- ("| Please submit a bug report, see" &
- " http://gcc.gnu.org/bugs.html.");
- End_Line;
-
- Write_Str
- ("| Include the entire contents of this bug " &
- "box in the report.");
- End_Line;
-
- Write_Str
- ("| Include the exact gcc or gnatmake command " &
- "that you entered.");
- End_Line;
-
- Write_Str
- ("| Also include sources listed below in gnatchop format");
- End_Line;
-
- Write_Str
- ("| (concatenated together with no headers between files).");
- End_Line;
-
- end if;
- end;
-
- -- Complete output of bug box
-
- Write_Char ('+');
- Repeat_Char ('=', 76, '+');
- Write_Eol;
-
- if Debug_Flag_3 then
- Write_Eol;
- Write_Eol;
- Print_Tree_Node (Current_Error_Node);
- Write_Eol;
- end if;
-
- Write_Eol;
-
- Write_Line ("Please include these source files with error report");
- Write_Eol;
-
- for U in Main_Unit .. Last_Unit loop
- begin
- if not Is_Internal_File_Name
- (File_Name (Source_Index (U)))
- then
- Write_Name (Full_File_Name (Source_Index (U)));
- Write_Eol;
- end if;
-
- -- No point in double bug box if we blow up trying to print
- -- the list of file names! Output informative msg and quit.
-
- exception
- when others =>
- Write_Str ("list may be incomplete");
- exit;
- end;
- end loop;
-
- Write_Eol;
- Set_Standard_Output;
-
- Tree_Dump;
- Source_Dump;
- raise Unrecoverable_Error;
- end if;
-
- end Compiler_Abort;
-
- -----------------
- -- Repeat_Char --
- -----------------
-
- procedure Repeat_Char (Char : Character; Col : Nat; After : Character) is
- begin
- while Column < Col loop
- Write_Char (Char);
- end loop;
-
- Write_Char (After);
- end Repeat_Char;
-
-end Comperr;
projects / msp430-gcc.git / blobdiff