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Member "ragel-6.10/ragel/cdipgoto.h" (24 Mar 2017, 3016 Bytes) of package /linux/misc/ragel-6.10.tar.gz:
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1 /*
2 * Copyright 2001-2006 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 _CDIPGOTO_H
25 #define _CDIPGOTO_H
26
27 #include <iostream>
28 #include "cdgoto.h"
29
30 /* Forwards. */
31 struct CodeGenData;
32
33 /*
34 * class FGotoCodeGen
35 */
36 class IpGotoCodeGen : public GotoCodeGen
37 {
38 public:
39 IpGotoCodeGen( ostream &out ) : FsmCodeGen(out), GotoCodeGen(out) {}
40
41 std::ostream &EXIT_STATES();
42 std::ostream &TRANS_GOTO( RedTransAp *trans, int level );
43 std::ostream &FINISH_CASES();
44 std::ostream &AGAIN_CASES();
45
46 void GOTO( ostream &ret, int gotoDest, bool inFinish );
47 void CALL( ostream &ret, int callDest, int targState, bool inFinish );
48 void NEXT( ostream &ret, int nextDest, bool inFinish );
49 void GOTO_EXPR( ostream &ret, GenInlineItem *ilItem, bool inFinish );
50 void NEXT_EXPR( ostream &ret, GenInlineItem *ilItem, bool inFinish );
51 void CALL_EXPR( ostream &ret, GenInlineItem *ilItem, int targState, bool inFinish );
52 void RET( ostream &ret, bool inFinish );
53 void CURS( ostream &ret, bool inFinish );
54 void TARGS( ostream &ret, bool inFinish, int targState );
55 void BREAK( ostream &ret, int targState, bool csForced );
56
57 virtual void writeData();
58 virtual void writeExec();
59
60 protected:
61 bool useAgainLabel();
62
63 void EOF_CHECK( ostream &ret, int gotoDest );
64
65 /* Called from GotoCodeGen::STATE_GOTOS just before writing the gotos for
66 * each state. */
67 bool IN_TRANS_ACTIONS( RedStateAp *state );
68 void GOTO_HEADER( RedStateAp *state );
69 void STATE_GOTO_ERROR();
70
71 /* Set up labelNeeded flag for each state. */
72 void setLabelsNeeded( GenInlineList *inlineList );
73 void setLabelsNeeded();
74 };
75
76
77 /*
78 * class CIpGotoCodeGen
79 */
80 struct CIpGotoCodeGen
81 : public IpGotoCodeGen, public CCodeGen
82 {
83 CIpGotoCodeGen( ostream &out ) :
84 FsmCodeGen(out), IpGotoCodeGen(out), CCodeGen(out) {}
85 };
86
87 /*
88 * class DIpGotoCodeGen
89 */
90 struct DIpGotoCodeGen
91 : public IpGotoCodeGen, public DCodeGen
92 {
93 DIpGotoCodeGen( ostream &out ) :
94 FsmCodeGen(out), IpGotoCodeGen(out), DCodeGen(out) {}
95 };
96
97 /*
98 * class D2IpGotoCodeGen
99 */
100 struct D2IpGotoCodeGen
101 : public IpGotoCodeGen, public D2CodeGen
102 {
103 D2IpGotoCodeGen( ostream &out ) :
104 FsmCodeGen(out), IpGotoCodeGen(out), D2CodeGen(out) {}
105 };
106
107 #endif