intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 75 insertions, 0 deletions

diff --git a/contrib/tools/ragel6/goipgoto.h b/contrib/tools/ragel6/goipgoto.h
new file mode 100644
index 0000000000..cceaee0c63
--- /dev/null
+++ b/contrib/tools/ragel6/goipgoto.h
@@ -0,0 +1,75 @@
+/*
+ *  Copyright 2001-2006 Adrian Thurston <thurston@complang.org>
+ *            2004 Erich Ocean <eric.ocean@ampede.com>
+ *            2005 Alan West <alan@alanz.com>
+ */
+
+/*  This file is part of Ragel.
+ *
+ *  Ragel is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Ragel is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Ragel; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _GOIPGOTO_H
+#define _GOIPGOTO_H
+
+#include <iostream>
+#include "gogoto.h"
+
+/* Forwards. */
+struct CodeGenData;
+
+class GoIpGotoCodeGen
+	: public GoGotoCodeGen
+{
+public:
+	GoIpGotoCodeGen( ostream &out )
+			: GoGotoCodeGen(out) {}
+
+	std::ostream &EXIT_STATES();
+	std::ostream &TRANS_GOTO( RedTransAp *trans, int level );
+	int TRANS_NR( RedTransAp *trans );
+	std::ostream &FINISH_CASES( int level );
+	std::ostream &AGAIN_CASES( int level );
+	std::ostream &STATE_GOTOS_SWITCH( int level );
+
+	void GOTO( ostream &ret, int gotoDest, bool inFinish );
+	void CALL( ostream &ret, int callDest, int targState, bool inFinish );
+	void NEXT( ostream &ret, int nextDest, bool inFinish );
+	void GOTO_EXPR( ostream &ret, GenInlineItem *ilItem, bool inFinish );
+	void NEXT_EXPR( ostream &ret, GenInlineItem *ilItem, bool inFinish );
+	void CALL_EXPR( ostream &ret, GenInlineItem *ilItem, int targState, bool inFinish );
+	void RET( ostream &ret, bool inFinish );
+	void CURS( ostream &ret, bool inFinish );
+	void TARGS( ostream &ret, bool inFinish, int targState );
+	void BREAK( ostream &ret, int targState, bool csForced );
+
+	virtual void writeData();
+	virtual void writeExec();
+
+protected:
+	bool useAgainLabel();
+
+	/* Called from GotoCodeGen::STATE_GOTOS just before writing the gotos for
+	 * each state. */
+	bool IN_TRANS_ACTIONS( RedStateAp *state );
+	void GOTO_HEADER( RedStateAp *state, int level );
+	void STATE_GOTO_ERROR( int level );
+
+	/* Set up labelNeeded flag for each state. */
+	void setLabelsNeeded( GenInlineList *inlineList );
+	void setLabelsNeeded();
+};
+
+#endif