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[Ada] fix bug in g-regpat

From: Arnaud Charlet <charlet at adacore dot com>
To: gcc-patches at gcc dot gnu dot org
Cc: Emmanuel Briot <briot at adacore dot com>
Date: Mon, 9 Apr 2007 10:18:38 +0200
Subject: [Ada] fix bug in g-regpat

Tested on i686-linux, committed on trunk

This check in fixes the following scenario:
with GNAT.Regpat; use GNAT.Regpat;
procedure Main is
  PM  : constant Pattern_Matcher := Compile ("[[:xdigit:]]");
  PM2 : constant Pattern_Matcher := Compile ("[[:xxxxx:]]");
begin
  Dump (PM);
end Main;
which clearly shows that we expect any character in ":[dgitx" and where
no error is reported for PM2

2007-04-06  Emmanuel Briot  <briot@adacore.com>

	* g-regpat.adb (Parse_Posix_Character_Class): Fix handling of
	[[:xdigit:]] character class.
	Also raise an exception when an invalid character class is used.

Attachment: difs
Description: Text document

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