From 7b5c0b55d84b6f2b4239fc6618eee4b0a8113847 Mon Sep 17 00:00:00 2001
From: Abdelrazak Younes <younes@lyx.org>
Date: Fri, 30 Mar 2007 16:29:35 +0000
Subject: [PATCH] avoid recursive dump() in case of math parsing problem.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@17649 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/mathed/MathParser.C | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/mathed/MathParser.C b/src/mathed/MathParser.C
index 0e75ffaaa6..e8697a668a 100644
--- a/src/mathed/MathParser.C
+++ b/src/mathed/MathParser.C
@@ -592,12 +592,20 @@ void Parser::tokenize(docstring const & buffer)
 void Parser::dump() const
 {
 	lyxerr << "\nTokens: ";
+	static bool anti_recursive = true;
 	for (unsigned i = 0; i < tokens_.size(); ++i) {
+		anti_recursive = !anti_recursive;
 		if (i == pos_)
 			lyxerr << " <#> ";
 		lyxerr << tokens_[i];
+		if (anti_recursive) {
+			lyxerr << "\nRecursive Parser::dump() detected!" << endl;
+			BOOST_ASSERT(false);
+			exit(1);
+		}
 	}
 	lyxerr << " pos: " << pos_ << endl;
+	anti_recursive = true;
 }
 
 
-- 
2.39.5