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/**
* @file lispreader.h
* @brief Parse configuration file
* @created 2007-06-15
* @date 2014-07-27
* @author Mark Probst
* @author Ingo Ruhnke <grumbel@gmx.de>
* @author Bruno Ethvignot <bruno at tlk dot biz>
*/
/*
* copyright (c) 1998-2000 Mark Probst
* copyright (c) 2002 Ingo Ruhnke <grumbel@gmx.de>
* copyright (c) 2007-2014 TLK Games all rights reserved
* $Id: lispreader.h 19 2014-07-27 18:03:48Z bruno.ethvignot@gmail.com $
*
* Powermanga 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 3 of the License, or
* (at your option) any later version.
*
* Powermanga 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#ifndef __LISPREADER__
#define __LISPREADER__
class lispreader;
#include "../include/tecnoballz.h"
typedef enum
{
LISP_TYPE_INTERNAL = -3,
LISP_TYPE_PARSE_ERROR = -2,
LISP_TYPE_EOF = -1,
LISP_TYPE_NIL = 0,
LISP_TYPE_SYMBOL,
LISP_TYPE_INTEGER,
LISP_TYPE_STRING,
LISP_TYPE_REAL,
LISP_TYPE_CONS,
LISP_TYPE_PATTERN_CONS,
LISP_TYPE_BOOLEAN,
LISP_TYPE_PATTERN_VAR
} LISP_TYPE_ENUM;
typedef struct
{
Sint32 type;
union
{
FILE *file;
struct
{
char *buf;
Sint32 pos;
}
string;
struct
{
void *data;
Sint32 (*next_char) (void *data);
void (*unget_char) (char c, void *data);
}
any;
} v;
}
lisp_stream_t;
typedef struct _lisp_object_t lisp_object_t;
struct _lisp_object_t
{
Sint32 type;
union
{
struct
{
struct _lisp_object_t *car;
struct _lisp_object_t *cdr;
}
cons;
char *string;
Sint32 integer;
float real;
struct
{
Sint32 type;
Sint32 index;
struct _lisp_object_t *sub;
}
pattern;
} v;
};
class lispreader:public virtual tecnoballz
{
public:
lispreader ();
~lispreader ();
bool read_int (const char *name, Sint32 * i);
bool read_bool (const char *name, bool * b);
bool lisp_read_string (const char *name, char **str);
bool read_string (const char *name, std::string* str);
lisp_object_t *lisp_read_file (std::string filename);
char *lisp_symbol (lisp_object_t * obj);
lisp_object_t *lisp_car (lisp_object_t * obj);
lisp_object_t *lisp_cdr (lisp_object_t * obj);
void lisp_free (lisp_object_t * obj);
private:
lisp_object_t *root_obj;
lisp_object_t* lst;
void _token_clear (void);
void token_append (char c);
void _token_append (char c);
Sint32 _next_char (lisp_stream_t * stream);
void _unget_char (char c, lisp_stream_t * stream);
Sint32 _scan (lisp_stream_t * stream);
lisp_object_t * lisp_object_alloc (Sint32 type);
lisp_stream_t * lisp_stream_init_string (lisp_stream_t * stream, char *buf);
lisp_object_t * lisp_make_integer (Sint32 value);
lisp_object_t * lisp_make_real (float value);
lisp_object_t * lisp_make_symbol (const char *value);
lisp_object_t * lisp_make_string (const char *value);
lisp_object_t * lisp_make_cons (lisp_object_t * car, lisp_object_t * cdr);
lisp_object_t * lisp_make_boolean (Sint32 value);
lisp_object_t * lisp_make_pattern_cons (lisp_object_t * car, lisp_object_t * cdr);
lisp_object_t *lisp_read (lisp_stream_t * in);
Sint32 lisp_type (lisp_object_t * obj);
Sint32 lisp_integer (lisp_object_t * obj);
char * lisp_string (lisp_object_t * obj);
Sint32 lisp_boolean (lisp_object_t * obj);
lisp_object_t * search_for (const char *name);
void lisp_dump (lisp_object_t * obj, FILE * out);
float lisp_real (lisp_object_t * obj);
};
#endif
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