1 /*
2  *  Copyright 2001-2007 Adrian Thurston <thurston@complang.org>
3  */
4 
5 /*  This file is part of Ragel.
6  *
7  *  Ragel is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License as published by
9  *  the Free Software Foundation; either version 2 of the License, or
10  *  (at your option) any later version.
11  *
12  *  Ragel is distributed in the hope that it will be useful,
13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with Ragel; if not, write to the Free Software
19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20  */
21 
22 #ifndef _GVDOTGEN_H
23 #define _GVDOTGEN_H
24 
25 #include <iostream>
26 #include "gendata.h"
27 
28 class GraphvizDotGen : public CodeGenData
29 {
30 public:
GraphvizDotGen(ostream & out)31 	GraphvizDotGen( ostream &out ) : CodeGenData(out) { }
32 
33 	/* Print an fsm to out stream. */
34 	void writeTransList( RedStateAp *state );
35 	void writeDotFile( );
36 
37 	virtual void finishRagelDef();
38 	virtual bool writeStatement( InputLoc &, int, char ** );
39 
40 private:
41 	/* Writing labels and actions. */
42 	std::ostream &ONCHAR( Key lowKey, Key highKey );
43 	std::ostream &TRANS_ACTION( RedStateAp *fromState, RedTransAp *trans );
44 	std::ostream &ACTION( RedAction *action );
45 	std::ostream &KEY( Key key );
46 };
47 
48 #endif
49