1 /* classes: h_files */
2 
3 #ifndef SCM_VALIDATE_H
4 #define SCM_VALIDATE_H
5 
6 /* Copyright (C) 1999,2000,2001, 2002, 2004, 2006, 2007 Free Software Foundation, Inc.
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
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  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 /* Written by Greg J. Badros <gjb@cs.washington.edu>, Dec-1999 */
24 
25 
26 
27 #define SCM_SYSERROR do { scm_syserror (FUNC_NAME); } while (0)
28 
29 #define SCM_MEMORY_ERROR do { scm_memory_error (FUNC_NAME); } while (0)
30 
31 #define SCM_SYSERROR_MSG(str, args, val) \
32   do { scm_syserror_msg (FUNC_NAME, (str), (args), (val)); } while (0)
33 
34 #define SCM_MISC_ERROR(str, args) \
35   do { scm_misc_error (FUNC_NAME, str, args); } while (0)
36 
37 #define SCM_WRONG_NUM_ARGS() \
38   do { scm_error_num_args_subr (FUNC_NAME); } while (0)
39 
40 #define SCM_WRONG_TYPE_ARG(pos, obj) \
41   do { scm_wrong_type_arg (FUNC_NAME, pos, obj); } while (0)
42 
43 #define SCM_NUM2SIZE(pos, arg) (scm_to_size_t (arg))
44 
45 #define SCM_NUM2SIZE_DEF(pos, arg, def) \
46   (SCM_UNBNDP (arg) ? def : scm_to_size_t (arg))
47 
48 #define SCM_NUM2PTRDIFF(pos, arg) (scm_to_ssize_t (arg))
49 
50 #define SCM_NUM2PTRDIFF_DEF(pos, arg, def) \
51   (SCM_UNBNDP (arg) ? def : scm_to_ssize_t (arg))
52 
53 #define SCM_NUM2SHORT(pos, arg) (scm_to_short (arg))
54 
55 #define SCM_NUM2SHORT_DEF(pos, arg, def) \
56   (SCM_UNBNDP (arg) ? def : scm_to_short (arg))
57 
58 #define SCM_NUM2USHORT(pos, arg) (scm_to_ushort (arg))
59 
60 #define SCM_NUM2USHORT_DEF(pos, arg, def) \
61   (SCM_UNBNDP (arg) ? def : scm_to_ushort (arg))
62 
63 #define SCM_NUM2INT(pos, arg) (scm_to_int (arg))
64 
65 #define SCM_NUM2INT_DEF(pos, arg, def) \
66   (SCM_UNBNDP (arg) ? def : scm_to_int (arg))
67 
68 #define SCM_NUM2UINT(pos, arg) (scm_to_uint (arg))
69 
70 #define SCM_NUM2UINT_DEF(pos, arg, def) \
71   (SCM_UNBNDP (arg) ? def : scm_to_uint (arg))
72 
73 #define SCM_NUM2ULONG(pos, arg) (scm_to_ulong (arg))
74 
75 #define SCM_NUM2ULONG_DEF(pos, arg, def) \
76   (SCM_UNBNDP (arg) ? def : scm_to_ulong (arg))
77 
78 #define SCM_NUM2LONG(pos, arg) (scm_to_long (arg))
79 
80 #define SCM_NUM2LONG_DEF(pos, arg, def) \
81   (SCM_UNBNDP (arg) ? def : scm_to_long (arg))
82 
83 #define SCM_NUM2LONG_LONG(pos, arg) (scm_to_long_long (arg))
84 
85 #define SCM_NUM2LONG_LONG_DEF(pos, arg, def) \
86   (SCM_UNBNDP (arg) ? def : scm_to_long_long (arg))
87 
88 #define SCM_NUM2ULONG_LONG(pos, arg) (scm_to_ulong_long (arg))
89 
90 #define SCM_NUM2ULONG_LONG_DEF(pos, arg, def) \
91   (SCM_UNBNDP (arg) ? def : scm_to_ulong_long (arg))
92 
93 #define SCM_NUM2FLOAT(pos, arg) \
94   (scm_num2float (arg, pos, FUNC_NAME))
95 
96 #define SCM_NUM2DOUBLE(pos, arg) \
97   (scm_num2double (arg, pos, FUNC_NAME))
98 
99 #define SCM_OUT_OF_RANGE(pos, arg) \
100   do { scm_out_of_range_pos (FUNC_NAME, arg, scm_from_int (pos)); } while (0)
101 
102 #define SCM_ASSERT_RANGE(pos, arg, f)					\
103   do { if (SCM_UNLIKELY (!(f)))					\
104          scm_out_of_range_pos (FUNC_NAME, arg, scm_from_int (pos)); }	\
105   while (0)
106 
107 #define SCM_MUST_MALLOC_TYPE(type) \
108   ((type *) scm_must_malloc (sizeof (type), FUNC_NAME))
109 
110 #define SCM_MUST_MALLOC_TYPE_NUM(type, num) \
111   ((type *) scm_must_malloc (sizeof (type) * (num), FUNC_NAME))
112 
113 #define SCM_MUST_MALLOC(size) (scm_must_malloc ((size), FUNC_NAME))
114 
115 #define SCM_MAKE_VALIDATE(pos, var, pred) \
116   do { \
117     SCM_ASSERT_TYPE (SCM_ ## pred (var), var, pos, FUNC_NAME, #pred); \
118   } while (0)
119 
120 #define SCM_I_MAKE_VALIDATE_MSG2(pos, var, pred, msg) \
121   do { \
122     SCM_ASSERT_TYPE (pred (var), var, pos, FUNC_NAME, msg); \
123   } while (0)
124 
125 #define SCM_MAKE_VALIDATE_MSG(pos, var, pred, msg) \
126   SCM_I_MAKE_VALIDATE_MSG2 (pos, var, SCM_ ## pred, msg)
127 
128 
129 
130 
131 #define SCM_VALIDATE_REST_ARGUMENT(x) \
132   do { \
133     if (SCM_DEBUG_REST_ARGUMENT) { \
134       if (scm_ilength (x) < 0) { \
135         SCM_MISC_ERROR ("Rest arguments do not form a proper list.", SCM_EOL); \
136       } \
137     } \
138   } while (0)
139 
140 #define SCM_VALIDATE_NIM(pos, scm) SCM_MAKE_VALIDATE_MSG (pos, scm, NIMP, "non-immediate")
141 
142 #define SCM_VALIDATE_BOOL(pos, flag) \
143   do { \
144     SCM_ASSERT_TYPE (scm_is_bool (flag), flag, pos, FUNC_NAME, "boolean"); \
145   } while (0)
146 
147 #define SCM_VALIDATE_BOOL_COPY(pos, flag, cvar) \
148   do { \
149     SCM_ASSERT (scm_is_bool (flag), flag, pos, FUNC_NAME); \
150     cvar = scm_to_bool (flag); \
151   } while (0)
152 
153 #define SCM_VALIDATE_CHAR(pos, scm) SCM_MAKE_VALIDATE_MSG (pos, scm, CHARP, "character")
154 
155 #define SCM_VALIDATE_CHAR_COPY(pos, scm, cvar) \
156   do { \
157     SCM_ASSERT (SCM_CHARP (scm), scm, pos, FUNC_NAME); \
158     cvar = SCM_CHAR (scm); \
159   } while (0)
160 
161 #define SCM_VALIDATE_STRING(pos, str) \
162   do { \
163     SCM_ASSERT_TYPE (scm_is_string (str), str, pos, FUNC_NAME, "string"); \
164   } while (0)
165 
166 #define SCM_VALIDATE_REAL(pos, z) SCM_MAKE_VALIDATE_MSG (pos, z, REALP, "real")
167 
168 #define SCM_VALIDATE_NUMBER(pos, z) SCM_MAKE_VALIDATE_MSG (pos, z, NUMBERP, "number")
169 
170 #define SCM_VALIDATE_USHORT_COPY(pos, k, cvar) \
171   do { \
172     cvar = SCM_NUM2USHORT (pos, k); \
173   } while (0)
174 
175 #define SCM_VALIDATE_SHORT_COPY(pos, k, cvar) \
176   do { \
177     cvar = SCM_NUM2SHORT (pos, k); \
178   } while (0)
179 
180 #define SCM_VALIDATE_UINT_COPY(pos, k, cvar) \
181   do { \
182     cvar = SCM_NUM2UINT (pos, k); \
183   } while (0)
184 
185 #define SCM_VALIDATE_INT_COPY(pos, k, cvar) \
186   do { \
187     cvar = SCM_NUM2INT (pos, k); \
188   } while (0)
189 
190 #define SCM_VALIDATE_ULONG_COPY(pos, k, cvar) \
191   do { \
192     cvar = SCM_NUM2ULONG (pos, k); \
193   } while (0)
194 
195 #define SCM_VALIDATE_LONG_COPY(pos, k, cvar) \
196   do { \
197     cvar = SCM_NUM2LONG (pos, k); \
198   } while (0)
199 
200 #define SCM_VALIDATE_FLOAT_COPY(pos, k, cvar) \
201   do { \
202     cvar = SCM_NUM2FLOAT (pos, k); \
203   } while (0)
204 
205 #define SCM_VALIDATE_DOUBLE_COPY(pos, k, cvar) \
206   do { \
207     cvar = SCM_NUM2DOUBLE (pos, k); \
208   } while (0)
209 
210 #define SCM_VALIDATE_DOUBLE_DEF_COPY(pos, k, default, cvar) \
211   do { \
212     if (SCM_UNBNDP (k)) \
213       { \
214         k = scm_make_real (default); \
215         cvar = default; \
216       } \
217     else \
218       { \
219         cvar = SCM_NUM2DOUBLE (pos, k); \
220       } \
221   } while (0)
222 
223 #define SCM_VALIDATE_NULL(pos, scm) \
224   SCM_I_MAKE_VALIDATE_MSG2 (pos, scm, scm_is_null, "empty list")
225 
226 #define SCM_VALIDATE_NULL_OR_NIL(pos, scm) \
227   SCM_MAKE_VALIDATE_MSG (pos, scm, NULL_OR_NIL_P, "empty list")
228 
229 #define SCM_VALIDATE_CONS(pos, scm) \
230   SCM_I_MAKE_VALIDATE_MSG2 (pos, scm, scm_is_pair, "pair")
231 
232 #define SCM_VALIDATE_LIST(pos, lst) \
233   do { \
234     SCM_ASSERT (scm_ilength (lst) >= 0, lst, pos, FUNC_NAME); \
235   } while (0)
236 
237 #define SCM_VALIDATE_NONEMPTYLIST(pos, lst) \
238   do { \
239     SCM_ASSERT (scm_ilength (lst) > 0, lst, pos, FUNC_NAME); \
240   } while (0)
241 
242 #define SCM_VALIDATE_LIST_COPYLEN(pos, lst, cvar) \
243   do { \
244     cvar = scm_ilength (lst); \
245     SCM_ASSERT (cvar >= 0, lst, pos, FUNC_NAME); \
246   } while (0)
247 
248 #define SCM_VALIDATE_NONEMPTYLIST_COPYLEN(pos, lst, cvar) \
249   do { \
250     cvar = scm_ilength (lst); \
251     SCM_ASSERT (cvar >= 1, lst, pos, FUNC_NAME); \
252   } while (0)
253 
254 #define SCM_VALIDATE_ALISTCELL(pos, alist) \
255   do { \
256     SCM_ASSERT (scm_is_pair (alist) && scm_is_pair (SCM_CAR (alist)), \
257                 alist, pos, FUNC_NAME); \
258   } while (0)
259 
260 #define SCM_VALIDATE_ALISTCELL_COPYSCM(pos, alist, cvar) \
261   do { \
262     SCM_ASSERT (scm_is_pair (alist), alist, pos, FUNC_NAME); \
263     cvar = SCM_CAR (alist); \
264     SCM_ASSERT (scm_is_pair (cvar), alist, pos, FUNC_NAME); \
265   } while (0)
266 
267 #define SCM_VALIDATE_OPORT_VALUE(pos, port) \
268   do { \
269     SCM_ASSERT (scm_valid_oport_value_p (port), port, pos, FUNC_NAME); \
270   } while (0)
271 
272 #define SCM_VALIDATE_PRINTSTATE(pos, a) SCM_MAKE_VALIDATE_MSG(pos, a, PRINT_STATE_P, "print-state")
273 
274 #define SCM_VALIDATE_SMOB(pos, obj, type) \
275   do { \
276     SCM_ASSERT (SCM_TYP16_PREDICATE (scm_tc16_ ## type, obj), \
277                 obj, pos, FUNC_NAME); \
278   } while (0)
279 
280 #define SCM_VALIDATE_THUNK(pos, thunk) \
281   do { \
282     SCM_ASSERT (scm_is_true (scm_thunk_p (thunk)), thunk, pos, FUNC_NAME); \
283   } while (0)
284 
285 #define SCM_VALIDATE_SYMBOL(pos, str) \
286   do { \
287     SCM_ASSERT_TYPE (scm_is_symbol (str), str, pos, FUNC_NAME, "symbol"); \
288   } while (0)
289 
290 #define SCM_VALIDATE_VARIABLE(pos, var) SCM_MAKE_VALIDATE_MSG (pos, var, VARIABLEP, "variable")
291 
292 #define SCM_VALIDATE_MEMOIZED(pos, obj) SCM_MAKE_VALIDATE_MSG (pos, obj, MEMOIZEDP, "memoized code")
293 
294 #define SCM_VALIDATE_CLOSURE(pos, obj) SCM_MAKE_VALIDATE_MSG (pos, obj, CLOSUREP, "closure")
295 
296 #define SCM_VALIDATE_PROC(pos, proc) \
297   do { \
298     SCM_ASSERT (scm_is_true (scm_procedure_p (proc)), proc, pos, FUNC_NAME); \
299   } while (0)
300 
301 #define SCM_VALIDATE_NULLORCONS(pos, env) \
302   do { \
303     SCM_ASSERT (scm_is_null (env) || scm_is_pair (env), env, pos, FUNC_NAME); \
304   } while (0)
305 
306 #define SCM_VALIDATE_HOOK(pos, a) SCM_MAKE_VALIDATE_MSG (pos, a, HOOKP, "hook")
307 
308 #define SCM_VALIDATE_RGXP(pos, a) SCM_MAKE_VALIDATE_MSG (pos, a, RGXP, "regexp")
309 
310 #define SCM_VALIDATE_DIR(pos, port) SCM_MAKE_VALIDATE_MSG (pos, port, DIRP, "directory port")
311 
312 #define SCM_VALIDATE_PORT(pos, port) SCM_MAKE_VALIDATE_MSG (pos, port, PORTP, "port")
313 
314 #define SCM_VALIDATE_INPUT_PORT(pos, port) \
315   SCM_MAKE_VALIDATE_MSG (pos, port, INPUT_PORT_P, "input port")
316 
317 #define SCM_VALIDATE_OUTPUT_PORT(pos, port) \
318   SCM_MAKE_VALIDATE_MSG (pos, port, OUTPUT_PORT_P, "output port")
319 
320 #define SCM_VALIDATE_FPORT(pos, port) SCM_MAKE_VALIDATE_MSG (pos, port, FPORTP, "file port")
321 
322 #define SCM_VALIDATE_OPFPORT(pos, port) SCM_MAKE_VALIDATE_MSG (pos, port, OPFPORTP, "open file port")
323 
324 #define SCM_VALIDATE_OPINPORT(pos, port) \
325   SCM_MAKE_VALIDATE_MSG (pos, port, OPINPORTP, "open input port")
326 
327 #define SCM_VALIDATE_OPENPORT(pos, port) \
328   do { \
329     SCM_ASSERT (SCM_PORTP (port) && SCM_OPENP (port), \
330                 port, pos, FUNC_NAME); \
331   } while (0)
332 
333 #define SCM_VALIDATE_OPPORT(pos, port) SCM_MAKE_VALIDATE_MSG (pos, port, OPPORTP, "open port")
334 
335 #define SCM_VALIDATE_OPOUTPORT(pos, port) \
336   SCM_MAKE_VALIDATE_MSG (pos, port, OPOUTPORTP, "open output port")
337 
338 #define SCM_VALIDATE_OPOUTSTRPORT(pos, port) \
339   SCM_MAKE_VALIDATE_MSG (pos, port, OPOUTSTRPORTP, "open output string port")
340 
341 #define SCM_VALIDATE_FLUID(pos, fluid) \
342   SCM_I_MAKE_VALIDATE_MSG2 (pos, fluid, scm_is_fluid, "fluid")
343 
344 #define SCM_VALIDATE_KEYWORD(pos, v) SCM_MAKE_VALIDATE_MSG (pos, v, KEYWORDP, "keyword")
345 
346 #define SCM_VALIDATE_STACK(pos, v) SCM_MAKE_VALIDATE_MSG (pos, v, STACKP, "stack")
347 
348 #define SCM_VALIDATE_FRAME(pos, v) SCM_MAKE_VALIDATE_MSG (pos, v, FRAMEP, "frame")
349 
350 #define SCM_VALIDATE_RSTATE(pos, v) SCM_MAKE_VALIDATE_MSG (pos, v, RSTATEP, "random-generator-state")
351 
352 #define SCM_VALIDATE_ARRAY(pos, v) \
353   do { \
354     SCM_ASSERT (!SCM_IMP (v) \
355                 && scm_is_true (scm_array_p (v, SCM_UNDEFINED)), \
356                 v, pos, FUNC_NAME); \
357   } while (0)
358 
359 #define SCM_VALIDATE_VECTOR(pos, v) \
360   do { \
361     SCM_ASSERT (scm_is_simple_vector (v), v, pos, FUNC_NAME); \
362   } while (0)
363 
364 #define SCM_VALIDATE_VECTOR_OR_DVECTOR(pos, v) \
365   do { \
366     SCM_ASSERT ((scm_is_simple_vector (v) \
367                 || (scm_is_true (scm_f64vector_p (v)))), \
368                 v, pos, FUNC_NAME); \
369   } while (0)
370 
371 #define SCM_VALIDATE_STRUCT(pos, v) SCM_MAKE_VALIDATE_MSG (pos, v, STRUCTP, "struct")
372 
373 #define SCM_VALIDATE_VTABLE(pos, v) \
374   do { \
375     SCM_ASSERT (!SCM_IMP (v) && scm_is_true (scm_struct_vtable_p (v)), \
376                 v, pos, FUNC_NAME); \
377   } while (0)
378 
379 #define SCM_VALIDATE_VECTOR_LEN(pos, v, len) \
380   do { \
381     SCM_ASSERT (SCM_VECTORP (v) && len == SCM_VECTOR_LENGTH (v), v, pos, FUNC_NAME); \
382   } while (0)
383 
384 
385 #endif  /* SCM_VALIDATE_H */
386 
387 /*
388   Local Variables:
389   c-file-style: "gnu"
390   End:
391 */
392