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 _IPGCODEGEN_H 25 #define _IPGCODEGEN_H 26 27 #include <iostream> 28 #include "csgoto.h" 29 30 /* Forwards. */ 31 struct CodeGenData; 32 33 /* 34 * class CSharpIpGotoCodeGen 35 */ 36 class CSharpIpGotoCodeGen : public CSharpGotoCodeGen 37 { 38 public: CSharpIpGotoCodeGen(ostream & out)39 CSharpIpGotoCodeGen( ostream &out ) : CSharpFsmCodeGen(out), 40 CSharpGotoCodeGen(out) {} 41 42 std::ostream &EXIT_STATES(); 43 std::ostream &TRANS_GOTO( RedTransAp *trans, int level ); 44 std::ostream &FINISH_CASES(); 45 std::ostream &AGAIN_CASES(); 46 47 void GOTO( ostream &ret, int gotoDest, bool inFinish ); 48 void CALL( ostream &ret, int callDest, int targState, bool inFinish ); 49 void NEXT( ostream &ret, int nextDest, bool inFinish ); 50 void GOTO_EXPR( ostream &ret, GenInlineItem *ilItem, bool inFinish ); 51 void NEXT_EXPR( ostream &ret, GenInlineItem *ilItem, bool inFinish ); 52 void CALL_EXPR( ostream &ret, GenInlineItem *ilItem, int targState, bool inFinish ); 53 void RET( ostream &ret, bool inFinish ); 54 void CURS( ostream &ret, bool inFinish ); 55 void TARGS( ostream &ret, bool inFinish, int targState ); 56 void BREAK( ostream &ret, int targState ); 57 58 virtual void writeData(); 59 virtual void writeExec(); 60 61 protected: 62 bool useAgainLabel(); 63 64 /* Called from GotoCodeGen::STATE_GOTOS just before writing the gotos for 65 * each state. */ 66 bool IN_TRANS_ACTIONS( RedStateAp *state ); 67 void GOTO_HEADER( RedStateAp *state ); 68 void STATE_GOTO_ERROR(); 69 70 /* Set up labelNeeded flag for each state. */ 71 void setLabelsNeeded( GenInlineList *inlineList ); 72 void setLabelsNeeded(); 73 }; 74 75 #endif 76