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 _CDFLAT_H 25 #define _CDFLAT_H 26 27 #include <iostream> 28 #include "cdcodegen.h" 29 30 /* Forwards. */ 31 struct CodeGenData; 32 struct NameInst; 33 struct RedTransAp; 34 struct RedStateAp; 35 36 /* 37 * FlatCodeGen 38 */ 39 class FlatCodeGen : virtual public FsmCodeGen 40 { 41 public: FlatCodeGen(ostream & out)42 FlatCodeGen( ostream &out ) : FsmCodeGen(out) {} ~FlatCodeGen()43 virtual ~FlatCodeGen() { } 44 45 protected: 46 std::ostream &TO_STATE_ACTION_SWITCH(); 47 std::ostream &FROM_STATE_ACTION_SWITCH(); 48 std::ostream &EOF_ACTION_SWITCH(); 49 std::ostream &ACTION_SWITCH(); 50 std::ostream &KEYS(); 51 std::ostream &INDICIES(); 52 std::ostream &FLAT_INDEX_OFFSET(); 53 std::ostream &KEY_SPANS(); 54 std::ostream &TO_STATE_ACTIONS(); 55 std::ostream &FROM_STATE_ACTIONS(); 56 std::ostream &EOF_ACTIONS(); 57 std::ostream &EOF_TRANS(); 58 std::ostream &TRANS_TARGS(); 59 std::ostream &TRANS_ACTIONS(); 60 void LOCATE_TRANS(); 61 62 std::ostream &COND_INDEX_OFFSET(); 63 void COND_TRANSLATE(); 64 std::ostream &CONDS(); 65 std::ostream &COND_KEYS(); 66 std::ostream &COND_KEY_SPANS(); 67 68 void GOTO( ostream &ret, int gotoDest, bool inFinish ); 69 void CALL( ostream &ret, int callDest, int targState, bool inFinish ); 70 void NEXT( ostream &ret, int nextDest, bool inFinish ); 71 void GOTO_EXPR( ostream &ret, GenInlineItem *ilItem, bool inFinish ); 72 void NEXT_EXPR( ostream &ret, GenInlineItem *ilItem, bool inFinish ); 73 void CALL_EXPR( ostream &ret, GenInlineItem *ilItem, int targState, bool inFinish ); 74 void CURS( ostream &ret, bool inFinish ); 75 void TARGS( ostream &ret, bool inFinish, int targState ); 76 void RET( ostream &ret, bool inFinish ); 77 void BREAK( ostream &ret, int targState, bool csForced ); 78 79 virtual std::ostream &TO_STATE_ACTION( RedStateAp *state ); 80 virtual std::ostream &FROM_STATE_ACTION( RedStateAp *state ); 81 virtual std::ostream &EOF_ACTION( RedStateAp *state ); 82 virtual std::ostream &TRANS_ACTION( RedTransAp *trans ); 83 84 virtual void writeData(); 85 virtual void writeExec(); 86 }; 87 88 /* 89 * CFlatCodeGen 90 */ 91 struct CFlatCodeGen 92 : public FlatCodeGen, public CCodeGen 93 { CFlatCodeGenCFlatCodeGen94 CFlatCodeGen( ostream &out ) : 95 FsmCodeGen(out), FlatCodeGen(out), CCodeGen(out) {} 96 }; 97 98 /* 99 * DFlatCodeGen 100 */ 101 struct DFlatCodeGen 102 : public FlatCodeGen, public DCodeGen 103 { DFlatCodeGenDFlatCodeGen104 DFlatCodeGen( ostream &out ) : 105 FsmCodeGen(out), FlatCodeGen(out), DCodeGen(out) {} 106 }; 107 108 /* 109 * D2FlatCodeGen 110 */ 111 struct D2FlatCodeGen 112 : public FlatCodeGen, public D2CodeGen 113 { D2FlatCodeGenD2FlatCodeGen114 D2FlatCodeGen( ostream &out ) : 115 FsmCodeGen(out), FlatCodeGen(out), D2CodeGen(out) {} 116 }; 117 118 #endif 119