2 * Copyright 2001-2006 Adrian Thurston <thurston@complang.org>
3 * 2004 Erich Ocean <eric.ocean@ampede.com>
4 * 2005 Alan West <alan@alanz.com>
7 /* This file is part of Ragel.
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.
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.
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
36 /* Integer array line length. */
49 struct LongestMatchPart;
51 inline string itoa( int i )
54 sprintf( buf, "%i", i );
61 class FsmCodeGen : public CodeGenData
64 FsmCodeGen( ostream &out );
65 virtual ~FsmCodeGen() {}
67 virtual void finishRagelDef();
68 virtual void writeInit();
72 string START_STATE_ID();
73 ostream &ACTIONS_ARRAY();
74 string GET_WIDE_KEY();
75 string GET_WIDE_KEY( RedStateAp *state );
76 string TABS( int level );
77 string KEY( Key key );
78 string LDIR_PATH( char *path );
79 void ACTION( ostream &ret, GenAction *action, int targState,
80 bool inFinish, bool csForced );
81 void CONDITION( ostream &ret, GenAction *condition );
83 string WIDE_ALPH_TYPE();
84 string ARRAY_TYPE( unsigned long maxVal );
86 virtual string ARR_OFF( string ptr, string offset ) = 0;
87 virtual string CAST( string type ) = 0;
88 virtual string UINT() = 0;
89 virtual string NULL_ITEM() = 0;
90 virtual string POINTER() = 0;
91 virtual string GET_KEY();
92 virtual ostream &SWITCH_DEFAULT() = 0;
106 string DATA_PREFIX();
107 string PM() { return "_" + DATA_PREFIX() + "partition_map"; }
108 string C() { return "_" + DATA_PREFIX() + "cond_spaces"; }
109 string CK() { return "_" + DATA_PREFIX() + "cond_keys"; }
110 string K() { return "_" + DATA_PREFIX() + "trans_keys"; }
111 string I() { return "_" + DATA_PREFIX() + "indicies"; }
112 string CO() { return "_" + DATA_PREFIX() + "cond_offsets"; }
113 string KO() { return "_" + DATA_PREFIX() + "key_offsets"; }
114 string IO() { return "_" + DATA_PREFIX() + "index_offsets"; }
115 string CL() { return "_" + DATA_PREFIX() + "cond_lengths"; }
116 string SL() { return "_" + DATA_PREFIX() + "single_lengths"; }
117 string RL() { return "_" + DATA_PREFIX() + "range_lengths"; }
118 string A() { return "_" + DATA_PREFIX() + "actions"; }
119 string TA() { return "_" + DATA_PREFIX() + "trans_actions"; }
120 string TT() { return "_" + DATA_PREFIX() + "trans_targs"; }
121 string TSA() { return "_" + DATA_PREFIX() + "to_state_actions"; }
122 string FSA() { return "_" + DATA_PREFIX() + "from_state_actions"; }
123 string EA() { return "_" + DATA_PREFIX() + "eof_actions"; }
124 string ET() { return "_" + DATA_PREFIX() + "eof_trans"; }
125 string SP() { return "_" + DATA_PREFIX() + "key_spans"; }
126 string CSP() { return "_" + DATA_PREFIX() + "cond_key_spans"; }
127 string START() { return DATA_PREFIX() + "start"; }
128 string ERROR() { return DATA_PREFIX() + "error"; }
129 string FIRST_FINAL() { return DATA_PREFIX() + "first_final"; }
130 string CTXDATA() { return DATA_PREFIX() + "ctxdata"; }
132 void INLINE_LIST( ostream &ret, GenInlineList *inlineList,
133 int targState, bool inFinish, bool csForced );
134 virtual void GOTO( ostream &ret, int gotoDest, bool inFinish ) = 0;
135 virtual void CALL( ostream &ret, int callDest, int targState, bool inFinish ) = 0;
136 virtual void NEXT( ostream &ret, int nextDest, bool inFinish ) = 0;
137 virtual void GOTO_EXPR( ostream &ret, GenInlineItem *ilItem, bool inFinish ) = 0;
138 virtual void NEXT_EXPR( ostream &ret, GenInlineItem *ilItem, bool inFinish ) = 0;
139 virtual void CALL_EXPR( ostream &ret, GenInlineItem *ilItem,
140 int targState, bool inFinish ) = 0;
141 virtual void RET( ostream &ret, bool inFinish ) = 0;
142 virtual void BREAK( ostream &ret, int targState, bool csForced ) = 0;
143 virtual void CURS( ostream &ret, bool inFinish ) = 0;
144 virtual void TARGS( ostream &ret, bool inFinish, int targState ) = 0;
145 void EXEC( ostream &ret, GenInlineItem *item, int targState, int inFinish );
146 void LM_SWITCH( ostream &ret, GenInlineItem *item, int targState,
147 int inFinish, bool csForced );
148 void SET_ACT( ostream &ret, GenInlineItem *item );
149 void INIT_TOKSTART( ostream &ret, GenInlineItem *item );
150 void INIT_ACT( ostream &ret, GenInlineItem *item );
151 void SET_TOKSTART( ostream &ret, GenInlineItem *item );
152 void SET_TOKEND( ostream &ret, GenInlineItem *item );
153 void GET_TOKEND( ostream &ret, GenInlineItem *item );
154 void SUB_ACTION( ostream &ret, GenInlineItem *item,
155 int targState, bool inFinish, bool csForced );
158 string ERROR_STATE();
159 string FIRST_FINAL_STATE();
161 virtual string PTR_CONST() = 0;
162 virtual ostream &OPEN_ARRAY( string type, string name ) = 0;
163 virtual ostream &CLOSE_ARRAY() = 0;
164 virtual ostream &STATIC_VAR( string type, string name ) = 0;
166 virtual string CTRL_FLOW() = 0;
168 ostream &source_warning(const InputLoc &loc);
169 ostream &source_error(const InputLoc &loc);
171 unsigned int arrayTypeSize( unsigned long maxVal );
178 void genLineDirective( ostream &out );
181 /* Determine if we should use indicies. */
182 virtual void calcIndexSize() {}
185 class CCodeGen : virtual public FsmCodeGen
188 CCodeGen( ostream &out ) : FsmCodeGen(out) {}
190 virtual string NULL_ITEM();
191 virtual string POINTER();
192 virtual ostream &SWITCH_DEFAULT();
193 virtual ostream &OPEN_ARRAY( string type, string name );
194 virtual ostream &CLOSE_ARRAY();
195 virtual ostream &STATIC_VAR( string type, string name );
196 virtual string ARR_OFF( string ptr, string offset );
197 virtual string CAST( string type );
198 virtual string UINT();
199 virtual string PTR_CONST();
200 virtual string CTRL_FLOW();
202 virtual void writeExports();
205 class DCodeGen : virtual public FsmCodeGen
208 DCodeGen( ostream &out ) : FsmCodeGen(out) {}
210 virtual string NULL_ITEM();
211 virtual string POINTER();
212 virtual ostream &SWITCH_DEFAULT();
213 virtual ostream &OPEN_ARRAY( string type, string name );
214 virtual ostream &CLOSE_ARRAY();
215 virtual ostream &STATIC_VAR( string type, string name );
216 virtual string ARR_OFF( string ptr, string offset );
217 virtual string CAST( string type );
218 virtual string UINT();
219 virtual string PTR_CONST();
220 virtual string CTRL_FLOW();
222 virtual void writeExports();
225 #endif /* _FSMCODEGEN_H */