From 468e3bb702908636017a441fd1ff9072fe15f306 Mon Sep 17 00:00:00 2001
From: Cary R <cygcary@yahoo.com>
Date: Wed, 24 Oct 2007 18:39:45 -0700
Subject: [PATCH] v0_8 make C style comments work in false/suppressed
 ifdef/etc. blocks.

C style comments were not recognized as comments in false or
suppressed sections of ifdef/etc. blocks. This prohibited an
unneeded endif/else/etc. from being commented out with this
style of comment.
---
 ivlpp/lexor.lex | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/ivlpp/lexor.lex b/ivlpp/lexor.lex
index ba013738d..2b0ff086f 100644
--- a/ivlpp/lexor.lex
+++ b/ivlpp/lexor.lex
@@ -142,6 +142,7 @@ static int comment_enter = 0;
 %x PPINCLUDE
 %x PPDEFINE
 %x CCOMMENT
+%x IFCCOMMENT
 %x PCOMENT
 %x CSTRING
 %x ERROR_LINE
@@ -314,6 +315,15 @@ W [ \t\b\f]+
 <IFDEF_SUPR>`else  {  }
 
 <IFDEF_FALSE,IFDEF_SUPR>"//"[^\r\n]* {  }
+
+<IFDEF_FALSE,IFDEF_SUPR>"/*" { comment_enter = YY_START; BEGIN(IFCCOMMENT); }
+<IFCCOMMENT>[^\r\n]    {  }
+<IFCCOMMENT>\n\r { istack->lineno += 1; }
+<IFCCOMMENT>\r\n { istack->lineno += 1; }
+<IFCCOMMENT>\n   { istack->lineno += 1; }
+<IFCCOMMENT>\r   { istack->lineno += 1; }
+<IFCCOMMENT>"*/" { BEGIN(comment_enter); }
+
 <IFDEF_FALSE,IFDEF_SUPR>[^\r\n]  {  }
 <IFDEF_FALSE,IFDEF_SUPR>\n\r { istack->lineno += 1; fputc('\n', yyout); }
 <IFDEF_FALSE,IFDEF_SUPR>\r\n { istack->lineno += 1; fputc('\n', yyout); }