From bce845bb1fd928ec492eaabc1648f81ea77fb374 Mon Sep 17 00:00:00 2001
From: Jesse Beder <jbeder+github@gmail.com>
Date: Mon, 19 Oct 2009 22:42:30 +0000
Subject: [PATCH] Fixed little bug in parser commit

---
 src/parser.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/parser.cpp b/src/parser.cpp
index 283bb94..1709436 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -37,6 +37,9 @@ namespace YAML
 	// . Throws a ParserException on error.
 	bool Parser::GetNextDocument(Node& document)
 	{
+		if(!m_pScanner.get())
+			return false;
+		
 		// clear node
 		document.Clear();
 
@@ -130,6 +133,9 @@ namespace YAML
 
 	void Parser::PrintTokens(std::ostream& out)
 	{
+		if(!m_pScanner.get())
+			return;
+		
 		while(1) {
 			if(m_pScanner->empty())
 				break;