1 /*
2  *  Copyright 2004-2006 Adrian Thurston <thurston@complang.org>
3  *            2004 Erich Ocean <eric.ocean@ampede.com>
4  *            2005 Alan West <alan@alanz.com>
5  */
6 
7 /*  This file is part of Ragel.
8  *
9  *  Ragel is free software; you can redistribute it and/or modify
10  *  it under the terms of the GNU General Public License as published by
11  *  the Free Software Foundation; either version 2 of the License, or
12  *  (at your option) any later version.
13  *
14  *  Ragel is distributed in the hope that it will be useful,
15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *  GNU General Public License for more details.
18  *
19  *  You should have received a copy of the GNU General Public License
20  *  along with Ragel; if not, write to the Free Software
21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
22  */
23 
24 #ifndef _GOFLAT_H
25 #define _GOFLAT_H
26 
27 #include <iostream>
28 #include "gotablish.h"
29 
30 /* Forwards. */
31 struct CodeGenData;
32 struct NameInst;
33 struct RedTransAp;
34 struct RedStateAp;
35 
36 /*
37  * GoFlatCodeGen
38  */
39 class GoFlatCodeGen
40 	: public GoTablishCodeGen
41 {
42 public:
GoFlatCodeGen(ostream & out)43 	GoFlatCodeGen( ostream &out )
44 		: GoTablishCodeGen(out) {}
45 
~GoFlatCodeGen()46 	virtual ~GoFlatCodeGen() { }
47 
48 protected:
49 	std::ostream &TO_STATE_ACTION_SWITCH( int level );
50 	std::ostream &FROM_STATE_ACTION_SWITCH( int level );
51 	std::ostream &EOF_ACTION_SWITCH( int level );
52 	std::ostream &ACTION_SWITCH( int level );
53 	std::ostream &KEYS();
54 	std::ostream &INDICIES();
55 	std::ostream &FLAT_INDEX_OFFSET();
56 	std::ostream &KEY_SPANS();
57 	std::ostream &TO_STATE_ACTIONS();
58 	std::ostream &FROM_STATE_ACTIONS();
59 	std::ostream &EOF_ACTIONS();
60 	std::ostream &EOF_TRANS();
61 	std::ostream &TRANS_TARGS();
62 	std::ostream &TRANS_ACTIONS();
63 	void LOCATE_TRANS();
64 
65 	std::ostream &COND_INDEX_OFFSET();
66 	void COND_TRANSLATE();
67 	std::ostream &CONDS();
68 	std::ostream &COND_KEYS();
69 	std::ostream &COND_KEY_SPANS();
70 
71 	virtual std::ostream &TO_STATE_ACTION( RedStateAp *state );
72 	virtual std::ostream &FROM_STATE_ACTION( RedStateAp *state );
73 	virtual std::ostream &EOF_ACTION( RedStateAp *state );
74 	virtual std::ostream &TRANS_ACTION( RedTransAp *trans );
75 
76 	virtual void writeData();
77 	virtual void writeExec();
78 };
79 
80 #endif
81