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From: Paul Hilfinger <hilfingr@gnat.com>
To: Andrew Cagney <cagney@gnu.org>
Cc: gdb@sources.redhat.com
Subject: Re: ada vs identical flex
Message-Id: <20041008102741.322A7F29FF@nile.gnat.com>
Date: Fri, 08 Oct 2004 11:00:00 -0000
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X-SW-Source: 2004-10/txt/msg00247.txt.bz2



> For yyrealloc, I'm finding that some cases are wrapped in #ifndef 
> YY_USES_REJECT, while others are not vis:

>                  NBSD     FC3
> declaration     yes      no
> definition      yes      no
> reference       yes      yes
> ada_flex_use    no       no

> On NetBSD, since ada_flex_use tries to refer to a function wrapped in 
> #ifndef YY_USE_REJECT (i.e., #ifdef'ed out) the build barfs.

Andrew,

I think I can get rid of the yyrealloc stuff altogether.  It seems that
one of the rules in ada-lex is not really used, but causes the non-use
of yyrealloc as a side-effect.  If you could, would you try the following
patch with the problematic platform/flex version?  Thanks.

Paul Hilfinger


Index: merge.224/gdb/ada-lex.l
--- merge.224/gdb/ada-lex.l Wed, 06 Oct 2004 02:59:24 -0700 hilfingr
+++ merge.224(w)/gdb/ada-lex.l Fri, 08 Oct 2004 03:18:25 -0700 hilfingr
@@ -154,8 +154,6 @@ static int find_dot_all (const char *);
 		   return CHARLIT;
 		}
 
-\"{OPER}\"/{WHITE}*"(" { return processId (yytext, yyleng); }
-
 <INITIAL>\"	{
 		   tempbuf_len = 0;
 		   BEGIN IN_STRING;
@@ -926,5 +924,5 @@ yywrap(void)
 typedef void (*dummy_function) ();
 dummy_function ada_flex_use[] = 
 { 
-  (dummy_function) yyrealloc, (dummy_function) yyunput
+  (dummy_function) yyunput
 };