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/* 
 *  Copyright 2008 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 _INPUT_DATA 
#define _INPUT_DATA 
 
#include "gendata.h" 
#include <iostream> 
#include <sstream> 
 
struct Parser; 
struct ParseData; 
 
struct InputItem 
{ 
	enum Type { 
		HostData, 
		Write, 
	}; 
 
	Type type; 
	std::ostringstream data; 
	std::string name; 
	ParseData *pd; 
	Vector<char *> writeArgs; 
 
	InputLoc loc; 
 
	InputItem *prev, *next; 
}; 
 
struct Parser; 
 
typedef AvlMap<const char*, Parser*, CmpStr> ParserDict; 
typedef AvlMapEl<const char*, Parser*> ParserDictEl; 
typedef DList<Parser> ParserList; 
typedef DList<InputItem> InputItemList; 
typedef Vector<const char *> ArgsVector; 
 
struct InputData 
{ 
	InputData() :  
		inputFileName(0), 
		outputFileName(0), 
		inStream(0), 
		outStream(0), 
		outFilter(0), 
		dotGenParser(0) 
	{} 
 
	/* The name of the root section, this does not change during an include. */ 
	const char *inputFileName; 
	const char *outputFileName; 
 
	/* Io globals. */ 
	std::istream *inStream; 
	std::ostream *outStream; 
	output_filter *outFilter; 
 
	Parser *dotGenParser; 
 
	ParserDict parserDict; 
	ParserList parserList; 
	InputItemList inputItems; 
 
	ArgsVector includePaths; 
 
	void verifyWritesHaveData(); 
 
	void writeOutput(); 
	void makeOutputStream(); 
	void openOutput(); 
	void generateReduced(); 
	void prepareMachineGen(); 
	void terminateAllParsers(); 
 
	void cdDefaultFileName( const char *inputFile ); 
	void goDefaultFileName( const char *inputFile );
	void javaDefaultFileName( const char *inputFile ); 
	void rubyDefaultFileName( const char *inputFile ); 
	void csharpDefaultFileName( const char *inputFile ); 
	void ocamlDefaultFileName( const char *inputFile );
 
	void writeLanguage( std::ostream &out ); 
	void writeXML( std::ostream &out ); 
}; 
 
#endif