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authorvitalyisaev <vitalyisaev@ydb.tech>2023-11-30 13:26:22 +0300
committervitalyisaev <vitalyisaev@ydb.tech>2023-11-30 15:44:45 +0300
commit0a98fece5a9b54f16afeb3a94b3eb3105e9c3962 (patch)
tree291d72dbd7e9865399f668c84d11ed86fb190bbf /contrib/tools/ragel5/rlgen-cd/gotocodegen.h
parentcb2c8d75065e5b3c47094067cb4aa407d4813298 (diff)
downloadydb-0a98fece5a9b54f16afeb3a94b3eb3105e9c3962.tar.gz
YQ Connector:Use docker-compose in integrational tests
Diffstat (limited to 'contrib/tools/ragel5/rlgen-cd/gotocodegen.h')
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+/*
+ * Copyright 2001-2006 Adrian Thurston <thurston@cs.queensu.ca>
+ * 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 "fsmcodegen.h"
+
+/* Forwards. */
+struct CodeGenData;
+struct NameInst;
+struct RedTransAp;
+struct RedStateAp;
+struct StateCond;
+
+/*
+ * Goto driven fsm.
+ */
+class GotoCodeGen : virtual public FsmCodeGen
+{
+public:
+ GotoCodeGen( ostream &out ) : FsmCodeGen(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, InlineItem *ilItem, bool inFinish );
+ void NEXT_EXPR( ostream &ret, InlineItem *ilItem, bool inFinish );
+ void CALL_EXPR( ostream &ret, InlineItem *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( StateCond *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 writeEOF();
+ virtual void writeExec();
+};
+
+/*
+ * class CGotoCodeGen
+ */
+struct CGotoCodeGen
+ : public GotoCodeGen, public CCodeGen
+{
+ CGotoCodeGen( ostream &out ) :
+ FsmCodeGen(out), GotoCodeGen(out), CCodeGen(out) {}
+};
+
+/*
+ * class DGotoCodeGen
+ */
+struct DGotoCodeGen
+ : public GotoCodeGen, public DCodeGen
+{
+ DGotoCodeGen( ostream &out ) :
+ FsmCodeGen(out), GotoCodeGen(out), DCodeGen(out) {}
+};
+
+
+#endif /* _GOTOCODEGEN_H */