diff options
author | Devtools Arcadia <arcadia-devtools@yandex-team.ru> | 2022-02-07 18:08:42 +0300 |
---|---|---|
committer | Devtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net> | 2022-02-07 18:08:42 +0300 |
commit | 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch) | |
tree | e26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/tools/ragel6/csgoto.h | |
download | ydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz |
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/tools/ragel6/csgoto.h')
-rw-r--r-- | contrib/tools/ragel6/csgoto.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/contrib/tools/ragel6/csgoto.h b/contrib/tools/ragel6/csgoto.h new file mode 100644 index 0000000000..749188408d --- /dev/null +++ b/contrib/tools/ragel6/csgoto.h @@ -0,0 +1,89 @@ +/* + * 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 _GOTOCODEGEN_H +#define _GOTOCODEGEN_H + +#include <iostream> +#include "cscodegen.h" + +/* Forwards. */ +struct CodeGenData; +struct NameInst; +struct RedTransAp; +struct RedStateAp; +struct GenStateCond; + +/* + * Goto driven fsm. + */ +class CSharpGotoCodeGen : virtual public CSharpFsmCodeGen, public CSharpCodeGen +{ +public: + CSharpGotoCodeGen( ostream &out ) : CSharpFsmCodeGen(out), CSharpCodeGen(out) {} + std::ostream &TO_STATE_ACTION_SWITCH(); + std::ostream &FROM_STATE_ACTION_SWITCH(); + std::ostream &EOF_ACTION_SWITCH(); + std::ostream &ACTION_SWITCH(); + std::ostream &STATE_GOTOS(); + std::ostream &TRANSITIONS(); + std::ostream &EXEC_FUNCS(); + std::ostream &FINISH_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 CURS( ostream &ret, bool inFinish ); + void TARGS( ostream &ret, bool inFinish, int targState ); + void RET( ostream &ret, bool inFinish ); + void BREAK( ostream &ret, int targState ); + + virtual unsigned int TO_STATE_ACTION( RedStateAp *state ); + virtual unsigned int FROM_STATE_ACTION( RedStateAp *state ); + virtual unsigned int EOF_ACTION( RedStateAp *state ); + + std::ostream &TO_STATE_ACTIONS(); + std::ostream &FROM_STATE_ACTIONS(); + std::ostream &EOF_ACTIONS(); + + void COND_TRANSLATE( GenStateCond *stateCond, int level ); + void emitCondBSearch( RedStateAp *state, int level, int low, int high ); + void STATE_CONDS( RedStateAp *state, bool genDefault ); + + virtual std::ostream &TRANS_GOTO( RedTransAp *trans, int level ); + + void emitSingleSwitch( RedStateAp *state ); + void emitRangeBSearch( RedStateAp *state, int level, int low, int high ); + + /* Called from STATE_GOTOS just before writing the gotos */ + virtual void GOTO_HEADER( RedStateAp *state ); + virtual void STATE_GOTO_ERROR(); + + virtual void writeData(); + virtual void writeExec(); +}; + +#endif |