intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 189 insertions, 0 deletions

diff --git a/contrib/tools/ragel6/gendata.h b/contrib/tools/ragel6/gendata.h
new file mode 100644
index 0000000000..6c3d3852a1
--- /dev/null
+++ b/contrib/tools/ragel6/gendata.h
@@ -0,0 +1,189 @@
+/*
+ *  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