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/*
* Copyright 2001-2006 Adrian Thurston <thurston@cs.queensu.ca>
*/
/* 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 _RLCODEGEN_H
#define _RLCODEGEN_H
#include <stdio.h>
#include <iostream>
#include <fstream>
#include "avltree.h"
#include "vector.h"
#include "config.h"
#define PROGNAME "rlcodegen"
/* Target language. */
enum OutputFormat
{
OutCode,
OutGraphvizDot
};
/* Target output style. */
enum CodeStyleEnum
{
GenTables,
GenFTables,
GenFlat,
GenFFlat,
GenGoto,
GenFGoto,
GenIpGoto,
GenSplit
};
/* Filter on the output stream that keeps track of the number of lines
* output. */
class output_filter : public std::filebuf
{
public:
output_filter() : line(1) { }
virtual int sync();
virtual std::streamsize xsputn(const char* s, std::streamsize n);
int line;
};
extern OutputFormat outputFormat;
extern CodeStyleEnum codeStyle;
extern FILE *yyin;
/* IO filenames and stream. */
extern char *outputFile;
extern std::ostream *outStream;
extern output_filter *outFilter;
extern bool printPrintables;
extern bool graphvizDone;
void yyerror( char *error );
int yyparse();
extern int gblErrorCount;
extern char machineMain[];
extern int numSplitPartitions;
/*
* Error reporting.
*/
struct YYLTYPE;
#ifndef INPUT_LOC
#define INPUT_LOC
/* Location in an input file. */
struct InputLoc
{
InputLoc( )
: line(0), col(0) { }
InputLoc( int line, int col )
: line(line), col(col) { }
InputLoc( const YYLTYPE &loc );
int line;
int col;
};
#endif /* INPUT_LOC */
std::ostream &error();
std::ostream &error( const YYLTYPE &loc );
std::ostream &error( const InputLoc &loc );
std::ostream &error( int first_line, int first_column );
std::ostream &warning( );
std::ostream &warning( const InputLoc &loc );
std::ostream &warning( int first_line, int first_column );
std::ostream &xml_error( const InputLoc &loc );
std::ostream &xml_error( const YYLTYPE &loc );
void openOutput( char *inputFile );
char *fileNameFromStem( char *stemFile, char *suffix );
/* Size of the include stack. */
#define INCLUDE_STACK_SIZE 32
#endif /* _RLCODEGEN_H */
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