5 * Copyright (C) 1998-2000 Mark Probst
6 * Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
24 #ifndef __LISPREADER_H__
25 #define __LISPREADER_H__
32 #include "exceptions.h"
34 #define LISP_STREAM_FILE 1
35 #define LISP_STREAM_STRING 2
36 #define LISP_STREAM_ANY 3
38 #define LISP_TYPE_INTERNAL -3
39 #define LISP_TYPE_PARSE_ERROR -2
40 #define LISP_TYPE_EOF -1
41 #define LISP_TYPE_NIL 0
42 #define LISP_TYPE_SYMBOL 1
43 #define LISP_TYPE_INTEGER 2
44 #define LISP_TYPE_STRING 3
45 #define LISP_TYPE_REAL 4
46 #define LISP_TYPE_CONS 5
47 #define LISP_TYPE_PATTERN_CONS 6
48 #define LISP_TYPE_BOOLEAN 7
49 #define LISP_TYPE_PATTERN_VAR 8
51 #define LISP_PATTERN_ANY 1
52 #define LISP_PATTERN_SYMBOL 2
53 #define LISP_PATTERN_STRING 3
54 #define LISP_PATTERN_INTEGER 4
55 #define LISP_PATTERN_REAL 5
56 #define LISP_PATTERN_BOOLEAN 6
57 #define LISP_PATTERN_LIST 7
58 #define LISP_PATTERN_OR 8
61 class LispReaderException : public SuperTuxException
64 LispReaderException(const char* _message = "lispreader error", const char* _file = "", const unsigned int _line = 0)
65 : SuperTuxException(_message, _file, _line) { };
84 int (*next_char) (void *data);
85 void (*unget_char) (char c, void *data);
92 typedef struct _lisp_object_t lisp_object_t;
101 struct _lisp_object_t *car;
102 struct _lisp_object_t *cdr;
114 struct _lisp_object_t *sub;
120 lisp_stream_t* lisp_stream_init_file (lisp_stream_t *stream, FILE *file);
121 lisp_stream_t* lisp_stream_init_string (lisp_stream_t *stream, char *buf);
122 lisp_stream_t* lisp_stream_init_any (lisp_stream_t *stream, void *data,
123 int (*next_char) (void *data),
124 void (*unget_char) (char c, void *data));
126 lisp_object_t* lisp_read (lisp_stream_t *in);
127 lisp_object_t* lisp_read_from_file(const std::string& filename);
128 void lisp_free (lisp_object_t *obj);
130 lisp_object_t* lisp_read_from_string (const char *buf);
132 int lisp_compile_pattern (lisp_object_t **obj, int *num_subs);
133 int lisp_match_pattern (lisp_object_t *pattern, lisp_object_t *obj, lisp_object_t **vars, int num_subs);
134 int lisp_match_string (const char *pattern_string, lisp_object_t *obj, lisp_object_t **vars);
136 int lisp_type (lisp_object_t *obj);
137 int lisp_integer (lisp_object_t *obj);
138 float lisp_real (lisp_object_t *obj);
139 char* lisp_symbol (lisp_object_t *obj);
140 char* lisp_string (lisp_object_t *obj);
141 int lisp_boolean (lisp_object_t *obj);
142 lisp_object_t* lisp_car (lisp_object_t *obj);
143 lisp_object_t* lisp_cdr (lisp_object_t *obj);
145 lisp_object_t* lisp_cxr (lisp_object_t *obj, const char *x);
147 lisp_object_t* lisp_make_integer (int value);
148 lisp_object_t* lisp_make_real (float value);
149 lisp_object_t* lisp_make_symbol (const char *value);
150 lisp_object_t* lisp_make_string (const char *value);
151 lisp_object_t* lisp_make_cons (lisp_object_t *car, lisp_object_t *cdr);
152 lisp_object_t* lisp_make_boolean (int value);
154 int lisp_list_length (lisp_object_t *obj);
155 lisp_object_t* lisp_list_nth_cdr (lisp_object_t *obj, int index);
156 lisp_object_t* lisp_list_nth (lisp_object_t *obj, int index);
158 void lisp_dump (lisp_object_t *obj, FILE *out);
160 #define lisp_nil() ((lisp_object_t*)0)
162 #define lisp_nil_p(obj) (obj == 0)
163 #define lisp_integer_p(obj) (lisp_type((obj)) == LISP_TYPE_INTEGER)
164 #define lisp_real_p(obj) (lisp_type((obj)) == LISP_TYPE_REAL)
165 #define lisp_symbol_p(obj) (lisp_type((obj)) == LISP_TYPE_SYMBOL)
166 #define lisp_string_p(obj) (lisp_type((obj)) == LISP_TYPE_STRING)
167 #define lisp_cons_p(obj) (lisp_type((obj)) == LISP_TYPE_CONS)
168 #define lisp_boolean_p(obj) (lisp_type((obj)) == LISP_TYPE_BOOLEAN)
174 lisp_object_t* owner;
177 lisp_object_t* search_for(const char* name);
180 /** cur == ((pos 1 2 3) (id 12 3 4)...) */
181 LispReader(lisp_object_t* l);
184 bool read_int_vector(const char* name, std::vector<int>& vec);
185 bool read_int_vector(const char* name, std::vector<unsigned int>& vec);
186 bool read_char_vector(const char* name, std::vector<char>& vec);
187 bool read_string_vector(const char* name, std::vector<std::string>& vec);
188 bool read_string(const char* name, std::string& str);
189 bool read_int(const char* name, int& i);
190 bool read_float(const char* name, float& f);
191 bool read_bool(const char* name, bool& b);
192 bool read_lisp(const char* name, lisp_object_t*& b);
193 LispReader* read_lisp(const char* name);
195 static LispReader* load(const std::string& filename,
196 const std::string& toplevellist);
198 lisp_object_t* get_lisp();