From: thurston <thurston@052ea7fc-9027-0410-9066-f65837a77df0>
Date: Wed, 14 Mar 2007 17:46:56 +0000 (+0000)
Subject: Handle the unset startState case in dot generation.
X-Git-Tag: 2.0_alpha~345
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0a374a8e057783dad41ae44628be16ce457046e6;p=external%2Fragel.git

Handle the unset startState case in dot generation.


git-svn-id: http://svn.complang.org/ragel/trunk@145 052ea7fc-9027-0410-9066-f65837a77df0
---

diff --git a/rlgen-dot/gvdotgen.cpp b/rlgen-dot/gvdotgen.cpp
index 6b17e6d..3cdff55 100644
--- a/rlgen-dot/gvdotgen.cpp
+++ b/rlgen-dot/gvdotgen.cpp
@@ -229,7 +229,9 @@ void GraphvizDotGen::writeDotFile( )
 	/* Define the psuedo states. Transitions will be done after the states
 	 * have been defined as either final or not final. */
 	out << "	node [ shape = point ];\n";
-	out << "	ENTRY;\n";
+
+	if ( redFsm->startState != 0 )
+		out << "	ENTRY;\n";
 
 	/* Psuedo states for entry points in the entry map. */
 	for ( EntryIdVect::Iter en = entryPointIds; en.lte(); en++ ) {
@@ -280,8 +282,8 @@ void GraphvizDotGen::writeDotFile( )
 		writeTransList( st );
 
 	/* Transitions into the start state. */
-	out << "	ENTRY -> " << redFsm->startState->id << " [ label = \"IN";
-	out << "\" ];\n";
+	if ( redFsm->startState != 0 ) 
+		out << "	ENTRY -> " << redFsm->startState->id << " [ label = \"IN\" ];\n";
 
 	/* Transitions into the entry points. */
 	for ( EntryIdVect::Iter en = entryPointIds; en.lte(); en++ ) {