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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2014-10-13 19:14:30 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2014-10-13 19:14:30 +0000 |
commit | eafd7a3974e8605fd02794269db6114a3446e016 (patch) | |
tree | 064737b35dbe10f2995753ead92f95bac30ba048 /ragel/goipgoto.h | |
download | ragel-tarball-eafd7a3974e8605fd02794269db6114a3446e016.tar.gz |
ragel-6.9ragel-6.9
Diffstat (limited to 'ragel/goipgoto.h')
-rw-r--r-- | ragel/goipgoto.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/ragel/goipgoto.h b/ragel/goipgoto.h new file mode 100644 index 0000000..cceaee0 --- /dev/null +++ b/ragel/goipgoto.h @@ -0,0 +1,75 @@ +/* + * 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 _GOIPGOTO_H +#define _GOIPGOTO_H + +#include <iostream> +#include "gogoto.h" + +/* Forwards. */ +struct CodeGenData; + +class GoIpGotoCodeGen + : public GoGotoCodeGen +{ +public: + GoIpGotoCodeGen( ostream &out ) + : GoGotoCodeGen(out) {} + + std::ostream &EXIT_STATES(); + std::ostream &TRANS_GOTO( RedTransAp *trans, int level ); + int TRANS_NR( RedTransAp *trans ); + std::ostream &FINISH_CASES( int level ); + std::ostream &AGAIN_CASES( int level ); + std::ostream &STATE_GOTOS_SWITCH( int level ); + + 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(); + + /* Called from GotoCodeGen::STATE_GOTOS just before writing the gotos for + * each state. */ + bool IN_TRANS_ACTIONS( RedStateAp *state ); + void GOTO_HEADER( RedStateAp *state, int level ); + void STATE_GOTO_ERROR( int level ); + + /* Set up labelNeeded flag for each state. */ + void setLabelsNeeded( GenInlineList *inlineList ); + void setLabelsNeeded(); +}; + +#endif |