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/*
* Copyright 2007 Victor Hugo Borja <vic@rubyforge.org>
* 2006-2007 Adrian Thurston <thurston@complang.org>
*/
/* 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 _RBX_GOTOCODEGEN_H
#define _RBX_GOTOCODEGEN_H
#include <iostream>
#include <string>
#include "rubycodegen.h"
using std::string;
class RbxGotoCodeGen : public RubyCodeGen
{
public:
RbxGotoCodeGen( ostream &out ) : RubyCodeGen(out) {}
virtual ~RbxGotoCodeGen() {}
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 );
int TO_STATE_ACTION( RedStateAp *state );
int FROM_STATE_ACTION( RedStateAp *state );
int EOF_ACTION( RedStateAp *state );
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 writeEOF();
virtual void writeExec();
std::ostream &TO_STATE_ACTIONS();
std::ostream &FROM_STATE_ACTIONS();
std::ostream &EOF_ACTIONS();
private:
ostream &rbxGoto(ostream &out, string label);
ostream &rbxLabel(ostream &out, string label);
};
/*
* Local Variables:
* mode: c++
* indent-tabs-mode: 1
* c-file-style: "bsd"
* End:
*/
#endif
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