1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* 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 _GOTOCODEGEN_H
#define _GOTOCODEGEN_H
#include <iostream>
#include "cscodegen.h"
/* Forwards. */
struct CodeGenData;
struct NameInst;
struct RedTransAp;
struct RedStateAp;
struct GenStateCond;
/*
* Goto driven fsm.
*/
class CSharpGotoCodeGen : virtual public CSharpFsmCodeGen, public CSharpCodeGen
{
public:
CSharpGotoCodeGen( ostream &out ) : CSharpFsmCodeGen(out), CSharpCodeGen(out) {}
std::ostream &TO_STATE_ACTION_SWITCH();
std::ostream &FROM_STATE_ACTION_SWITCH();
std::ostream &EOF_ACTION_SWITCH();
std::ostream &ACTION_SWITCH();
std::ostream &STATE_GOTOS();
std::ostream &TRANSITIONS();
std::ostream &EXEC_FUNCS();
std::ostream &FINISH_CASES();
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 CURS( ostream &ret, bool inFinish );
void TARGS( ostream &ret, bool inFinish, int targState );
void RET( ostream &ret, bool inFinish );
void BREAK( ostream &ret, int targState );
virtual unsigned int TO_STATE_ACTION( RedStateAp *state );
virtual unsigned int FROM_STATE_ACTION( RedStateAp *state );
virtual unsigned int EOF_ACTION( RedStateAp *state );
std::ostream &TO_STATE_ACTIONS();
std::ostream &FROM_STATE_ACTIONS();
std::ostream &EOF_ACTIONS();
void COND_TRANSLATE( GenStateCond *stateCond, int level );
void emitCondBSearch( RedStateAp *state, int level, int low, int high );
void STATE_CONDS( RedStateAp *state, bool genDefault );
virtual std::ostream &TRANS_GOTO( RedTransAp *trans, int level );
void emitSingleSwitch( RedStateAp *state );
void emitRangeBSearch( RedStateAp *state, int level, int low, int high );
/* Called from STATE_GOTOS just before writing the gotos */
virtual void GOTO_HEADER( RedStateAp *state );
virtual void STATE_GOTO_ERROR();
virtual void writeData();
virtual void writeExec();
};
#endif
|
