/*
 *  Copyright © 2006-2013 SplinterGU (Fenix/Bennugd)
 *  Copyright © 2002-2006 Fenix Team (Fenix)
 *  Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
 *
 *  This file is part of Bennu - Game Development
 *
 *  This software is provided 'as-is', without any express or implied
 *  warranty. In no event will the authors be held liable for any damages
 *  arising from the use of this software.
 *
 *  Permission is granted to anyone to use this software for any purpose,
 *  including commercial applications, and to alter it and redistribute it
 *  freely, subject to the following restrictions:
 *
 *     1. The origin of this software must not be misrepresented; you must not
 *     claim that you wrote the original software. If you use this software
 *     in a product, an acknowledgment in the product documentation would be
 *     appreciated but is not required.
 *
 *     2. Altered source versions must be plainly marked as such, and must not be
 *     misrepresented as being the original software.
 *
 *     3. This notice may not be removed or altered from any source
 *     distribution.
 *
 */

#ifndef __TOKEN_H
#define __TOKEN_H

#include <files.h>

#define MAX_SOURCES         4096
#define MAX_MACRO_PARAMS    256

/* Tokenizador */

/* Tipos de token */
#define IDENTIFIER 1
#define STRING     2
#define NUMBER     3
#define FLOAT      4
#define LABEL      5
#define NOTOKEN    6

extern struct _token
    {
        int type ;
        int code ;
        float value ;
        int file;
        int line;
    } token ;

typedef struct _tok_pos
    {
        int             use_saved;
        struct _token   token;
        struct _token   token_saved;
        struct _token   token_prev;
        int             line_count;
        int             current_file;
        char            *source_ptr;
    } tok_pos;

extern void token_init( const char * source, int file ) ;
extern void token_next() ;
extern void token_back() ;
extern void token_dump() ;

extern tok_pos token_pos();
extern void token_set_pos( tok_pos tp );

extern int line_count ;
extern int current_file ;
extern int n_files ;
extern char files[MAX_SOURCES][__MAX_PATH] ;

/* Se exportan todos los token */
extern struct _token token ;
extern struct _token token_prev ;
extern struct _token token_saved ;

#endif
