/* * 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 _CDIPGOTO_H #define _CDIPGOTO_H #include <iostream> #include "cdgoto.h" /* Forwards. */ struct CodeGenData; /* * class FGotoCodeGen */ class IpGotoCodeGen : public GotoCodeGen { public: IpGotoCodeGen( ostream &out ) : FsmCodeGen(out), GotoCodeGen(out) {} std::ostream &EXIT_STATES(); std::ostream &TRANS_GOTO( RedTransAp *trans, int level ); std::ostream &FINISH_CASES(); std::ostream &AGAIN_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 RET( ostream &ret, bool inFinish ); void CURS( ostream &ret, bool inFinish ); void TARGS( ostream &ret, bool inFinish, int targState ); void BREAK( ostream &ret, int targState, bool csForced ); virtual void writeData(); virtual void writeExec(); protected: bool useAgainLabel(); void EOF_CHECK( ostream &ret, int gotoDest ); /* Called from GotoCodeGen::STATE_GOTOS just before writing the gotos for * each state. */ bool IN_TRANS_ACTIONS( RedStateAp *state ); void GOTO_HEADER( RedStateAp *state ); void STATE_GOTO_ERROR(); /* Set up labelNeeded flag for each state. */ void setLabelsNeeded( GenInlineList *inlineList ); void setLabelsNeeded(); }; /* * class CIpGotoCodeGen */ struct CIpGotoCodeGen : public IpGotoCodeGen, public CCodeGen { CIpGotoCodeGen( ostream &out ) : FsmCodeGen(out), IpGotoCodeGen(out), CCodeGen(out) {} }; /* * class DIpGotoCodeGen */ struct DIpGotoCodeGen : public IpGotoCodeGen, public DCodeGen { DIpGotoCodeGen( ostream &out ) : FsmCodeGen(out), IpGotoCodeGen(out), DCodeGen(out) {} }; /* * class D2IpGotoCodeGen */ struct D2IpGotoCodeGen : public IpGotoCodeGen, public D2CodeGen { D2IpGotoCodeGen( ostream &out ) : FsmCodeGen(out), IpGotoCodeGen(out), D2CodeGen(out) {} }; #endif