New Language: Ada

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45954 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 96 insertions, 0 deletions

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+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--                              C O M P E R R                               --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--                            $Revision: 1.18 $
+--                                                                          --
+--          Copyright (C) 1992-2000 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). --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This package contains the routine called when a fatal internal compiler
+--  error is detected. Calls to this routines cause termination of the
+--  current compilation with appropriate error output.
+
+package Comperr is
+
+   procedure Compiler_Abort
+     (X    : String;
+      Code : Integer := 0);
+   --  Signals an internal compiler error. Never returns control. Depending
+   --  on processing may end up raising Unrecoverable_Error, or exiting
+   --  directly. The message output is a "bug box" containing the
+   --  string passed as an argument. The node in Current_Error_Node is used
+   --  to provide the location where the error should be signalled. The
+   --  message includes the node id, and the code parameter if it is positive.
+   --  Note that this is only used at the outer level (to handle constraint
+   --  errors or assert errors etc.) In the normal logic of the compiler we
+   --  always use pragma Assert to check for errors, and if necessary an
+   --  explicit abort is achieved by pragma Assert (False). Code is positive
+   --  for a gigi abort (giving the gigi abort code), zero for a front
+   --  end exception (with possible message stored in TSD.Current_Excep,
+   --  and negative (an unused value) for a GCC abort.
+
+   ------------------------------
+   -- Use of gnat_bug.box File --
+   ------------------------------
+
+   --  When comperr generates the "bug box". The first two lines contain
+   --  information on the version number, type of abort, and source location.
+
+   --  Normally the remaining text is one of the following two forms
+   --  depending on the version number (p identifies public versions):
+
+   --    Please submit bug report by email to report@gnat.com.
+   --    Use a subject line meaningful to you and us to track the bug.
+   --    (include your customer number #nnn in the subject line).
+   --    Include the entire contents of this bug box in the report.
+   --    Include the exact gcc or gnatmake command that you entered.
+   --    Also include sources listed below in gnatchop format
+   --    (concatenated together with no headers between files).
+   --    (use plain ASCII or MIME attachment,
+   --    or FTP to your customer directory).
+   --    See README.GNATPRO for full info on procedure for submitting bugs.
+
+   --  or (public version case)
+
+   --    Please submit bug report by email to report@gnat.com.
+   --    Use a subject line meaningful to you and us to track the bug.
+   --    (include your customer number #nnn in the subject line).
+   --    Include the entire contents of this bug box in the report.
+   --    Include the exact gcc or gnatmake command that you entered.
+   --    Also include sources listed below in gnatchop format
+   --    (concatenated together with no headers between files).
+   --    See gnatinfo.txt for full info on procedure for submitting bugs.
+
+   --  However, an alternative mechanism exists for easily substituting
+   --  different text for this message. Compiler_Abort checks for the
+   --  existence of the file "gnat_bug.box" in the current source path.
+   --  Most typically this file, if present, will be in the directory
+   --  containing the run-time sources.
+
+   --  If this file is present, then it is a plain ASCII file, whose
+   --  contents replace the above quoted paragraphs. The lines in this
+   --  file should be 72 characters or less to avoid misformatting the
+   --  right boundary of the box. Note that the file does not contain
+   --  the vertical bar characters or any leading spaces in lines.
+
+end Comperr;