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/*
* Copyright 2005-2007 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 _GENDATA_H
#define _GENDATA_H
#include <iostream>
#include "config.h"
#include "redfsm.h"
#include "common.h"
using std::ostream;
extern bool generateDot;
struct NameInst;
typedef DList<GenAction> GenActionList;
typedef unsigned long ulong;
extern int gblErrorCount;
struct CodeGenData;
typedef AvlMap<char *, CodeGenData*, CmpStr> CodeGenMap;
typedef AvlMapEl<char *, CodeGenData*> CodeGenMapEl;
void cdLineDirective( ostream &out, const char *fileName, int line );
void javaLineDirective( ostream &out, const char *fileName, int line );
void goLineDirective( ostream &out, const char *fileName, int line );
void rubyLineDirective( ostream &out, const char *fileName, int line );
void csharpLineDirective( ostream &out, const char *fileName, int line );
void ocamlLineDirective( ostream &out, const char *fileName, int line );
void genLineDirective( ostream &out );
void lineDirective( ostream &out, const char *fileName, int line );
string itoa( int i );
/*********************************/
struct CodeGenData
{
/*
* The interface to the code generator.
*/
virtual void finishRagelDef() {}
/* These are invoked by the corresponding write statements. */
virtual void writeData() {};
virtual void writeInit() {};
virtual void writeExec() {};
virtual void writeExports() {};
virtual void writeStart() {};
virtual void writeFirstFinal() {};
virtual void writeError() {};
/* This can also be overwridden to modify the processing of write
* statements. */
virtual bool writeStatement( InputLoc &loc, int nargs, char **args );
/********************/
CodeGenData( ostream &out );
virtual ~CodeGenData() {}
/*
* Collecting the machine.
*/
const char *sourceFileName;
const char *fsmName;
ostream &out;
RedFsmAp *redFsm;
GenAction *allActions;
RedAction *allActionTables;
Condition *allConditions;
GenCondSpace *allCondSpaces;
RedStateAp *allStates;
NameInst **nameIndex;
int startState;
int errState;
GenActionList actionList;
ConditionList conditionList;
CondSpaceList condSpaceList;
GenInlineList *getKeyExpr;
GenInlineList *accessExpr;
GenInlineList *prePushExpr;
GenInlineList *postPopExpr;
/* Overriding variables. */
GenInlineList *pExpr;
GenInlineList *peExpr;
GenInlineList *eofExpr;
GenInlineList *csExpr;
GenInlineList *topExpr;
GenInlineList *stackExpr;
GenInlineList *actExpr;
GenInlineList *tokstartExpr;
GenInlineList *tokendExpr;
GenInlineList *dataExpr;
KeyOps thisKeyOps;
bool wantComplete;
EntryIdVect entryPointIds;
EntryNameVect entryPointNames;
bool hasLongestMatch;
ExportList exportList;
/* Write options. */
bool noEnd;
bool noPrefix;
bool noFinal;
bool noError;
bool noEntry;
bool noCS;
void createMachine();
void initActionList( unsigned long length );
void newAction( int anum, const char *name, const InputLoc &loc, GenInlineList *inlineList );
void initActionTableList( unsigned long length );
void initStateList( unsigned long length );
void setStartState( unsigned long startState );
void setErrorState( unsigned long errState );
void addEntryPoint( char *name, unsigned long entryState );
void setId( int snum, int id );
void setFinal( int snum );
void initTransList( int snum, unsigned long length );
void newTrans( int snum, int tnum, Key lowKey, Key highKey,
long targ, long act );
void finishTransList( int snum );
void setStateActions( int snum, long toStateAction,
long fromStateAction, long eofAction );
void setEofTrans( int snum, long targ, long eofAction );
void setForcedErrorState()
{ redFsm->forcedErrorState = true; }
void initCondSpaceList( ulong length );
void condSpaceItem( int cnum, long condActionId );
void newCondSpace( int cnum, int condSpaceId, Key baseKey );
void initStateCondList( int snum, ulong length );
void addStateCond( int snum, Key lowKey, Key highKey, long condNum );
GenCondSpace *findCondSpace( Key lowKey, Key highKey );
Condition *findCondition( Key key );
bool setAlphType( const char *data );
void resolveTargetStates( GenInlineList *inlineList );
Key findMaxKey();
/* Gather various info on the machine. */
void analyzeActionList( RedAction *redAct, GenInlineList *inlineList );
void analyzeAction( GenAction *act, GenInlineList *inlineList );
void findFinalActionRefs();
void analyzeMachine();
void closeMachine();
void setValueLimits();
void assignActionIds();
ostream &source_warning( const InputLoc &loc );
ostream &source_error( const InputLoc &loc );
void write_option_error( InputLoc &loc, char *arg );
};
CodeGenData *makeCodeGen( const char *sourceFileName,
const char *fsmName, ostream &out );
#endif
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