From 047828ded0e6a3713062ea74cbf97741ec505bc3 Mon Sep 17 00:00:00 2001
From: Cary R <cygcary@yahoo.com>
Date: Wed, 8 Apr 2009 15:09:19 -0700
Subject: [PATCH] Allow macro expansions to take arguments with multiple
 arguments.

This patch allows a macro expansion to have an argument which
itself has multiple arguments (handle nested ",").
---
 ivlpp/lexor.lex | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ivlpp/lexor.lex b/ivlpp/lexor.lex
index dbe9371b5..a6e652c5e 100644
--- a/ivlpp/lexor.lex
+++ b/ivlpp/lexor.lex
@@ -599,7 +599,8 @@ keywords (include|define|undef|ifdef|ifndef|else|elseif|endif)
 
 <MA_ADD>"(" { macro_add_to_arg(0); ma_parenthesis_level++; }
 
-<MA_ADD>"," { macro_finish_arg(); }
+<MA_ADD>"," { if (ma_parenthesis_level > 0) macro_add_to_arg(0);
+              else macro_finish_arg(); }
 
 <MA_ADD>")" {
     if (ma_parenthesis_level > 0) {