libguile/validate.h

   1 /* $Id: validate.h,v 1.10 2000-05-15 11:47:48 dirk Exp $ */
   2 /*      Copyright (C) 1999, 2000 Free Software Foundation, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2, or (at your option)
   7  * any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this software; see the file COPYING.  If not, write to
  16  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  17  * Boston, MA 02111-1307 USA
  18  *
  19  * As a special exception, the Free Software Foundation gives permission
  20  * for additional uses of the text contained in its release of GUILE.
  21  *
  22  * The exception is that, if you link the GUILE library with other files
  23  * to produce an executable, this does not by itself cause the
  24  * resulting executable to be covered by the GNU General Public License.
  25  * Your use of that executable is in no way restricted on account of
  26  * linking the GUILE library code into it.
  27  *
  28  * This exception does not however invalidate any other reasons why
  29  * the executable file might be covered by the GNU General Public License.
  30  *
  31  * This exception applies only to the code released by the
  32  * Free Software Foundation under the name GUILE.  If you copy
  33  * code from other Free Software Foundation releases into a copy of
  34  * GUILE, as the General Public License permits, the exception does
  35  * not apply to the code that you add in this way.  To avoid misleading
  36  * anyone as to the status of such modified files, you must delete
  37  * this exception notice from them.
  38  *
  39  * If you write modifications of your own for GUILE, it is your choice
  40  * whether to permit this exception to apply to your modifications.
  41  * If you do not wish that, delete this exception notice.  */
  42
  43 /* Written by Greg J. Badros <gjb@cs.washington.edu>, Dec-1999 */
  44
  45 #ifndef SCM_VALIDATE_H__
  46 #define SCM_VALIDATE_H__
  47
  48 #define SCM_FUNC_NAME (scm_makfrom0str (FUNC_NAME))
  49
  50 #define SCM_SYSERROR do { scm_syserror (FUNC_NAME); } while (0)
  51
  52 #define SCM_MEMORY_ERROR do { scm_memory_error (FUNC_NAME); } while (0)
  53
  54 #define SCM_SYSERROR_MSG(str, args, val) \
  55   do { scm_syserror_msg (FUNC_NAME, (str), (args), (val)); } while (0)
  56
  57 #define SCM_COERCE_ROSTRING(pos, scm) \
  58   do { scm = scm_coerce_rostring (scm, FUNC_NAME, pos); } while (0)
  59
  60 #define SCM_WTA(pos, scm) \
  61   do { scm_wta (scm, (char *) pos, FUNC_NAME); } while (0)
  62
  63 #define RETURN_SCM_WTA(pos, scm) \
  64   do { return scm_wta (scm, (char *) pos, FUNC_NAME); } while (0)
  65
  66 #define SCM_MISC_ERROR(str, args) \
  67   do { scm_misc_error (FUNC_NAME, str, args); } while (0)
  68
  69 #define SCM_WRONG_TYPE_ARG(pos, obj) \
  70   do { scm_wrong_type_arg (FUNC_NAME, pos, obj); } while (0)
  71
  72 #define SCM_NUM2ULONG(pos, arg) (scm_num2ulong (arg, (char *) pos, FUNC_NAME))
  73
  74 #define SCM_NUM2LONG(pos, arg) (scm_num2long (arg, (char *) pos, FUNC_NAME))
  75
  76 #define SCM_NUM2LONG_DEF(pos, arg, def) \
  77   (SCM_UNBNDP (arg) ? def : scm_num2long (arg, (char *) pos, FUNC_NAME))
  78
  79 #define SCM_NUM2LONG_LONG(pos, arg) \
  80   (scm_num2long_long (arg, (char *) pos, FUNC_NAME))
  81
  82 #define SCM_OUT_OF_RANGE(pos, arg) \
  83   do { scm_out_of_range_pos (FUNC_NAME, arg, SCM_MAKINUM (pos)); } while (0)
  84
  85 #define SCM_ASSERT_RANGE(pos, arg, f) \
  86   do { SCM_ASSERT (f, arg, SCM_OUTOFRANGE, FUNC_NAME); } while (0)
  87
  88 #define SCM_MUST_MALLOC_TYPE(type) \
  89   ((type *) scm_must_malloc (sizeof (type), FUNC_NAME))
  90
  91 #define SCM_MUST_MALLOC_TYPE_NUM(type, num) \
  92   ((type *) scm_must_malloc (sizeof (type) * (num), FUNC_NAME))
  93
  94 #define SCM_MUST_MALLOC(size) (scm_must_malloc ((size), FUNC_NAME))
  95
  96 #define SCM_MAKE_VALIDATE(pos, var, pred) \
  97   do { \
  98     SCM_ASSERT_TYPE (SCM_ ## pred (var), var, pos, FUNC_NAME, #pred); \
  99   } while (0)
 100
 101 \f
 102
 103 #define SCM_VALIDATE_NIM(pos, scm) SCM_MAKE_VALIDATE (pos, scm, NIMP)
 104
 105 #define SCM_VALIDATE_BOOL(pos, flag) SCM_MAKE_VALIDATE(pos, flag, BOOLP)
 106
 107 #define SCM_VALIDATE_BOOL_COPY(pos, flag, cvar) \
 108   do { \
 109     SCM_ASSERT (SCM_BOOLP (flag), flag, pos, FUNC_NAME); \
 110     cvar = SCM_TRUE_P (flag) ? 1 : 0; \
 111   } while (0)
 112
 113 #define SCM_VALIDATE_CHAR(pos, scm) SCM_MAKE_VALIDATE (pos, scm, CHARP)
 114
 115 #define SCM_VALIDATE_CHAR_COPY(pos, scm, cvar) \
 116   do { \
 117     SCM_ASSERT (SCM_CHARP (scm), scm, pos, FUNC_NAME); \
 118     cvar = SCM_CHAR (scm); \
 119   } while (0)
 120
 121 #define SCM_VALIDATE_ROSTRING(pos, str) SCM_MAKE_VALIDATE (pos, str, ROSTRINGP)
 122
 123 #define SCM_VALIDATE_ROSTRING_COPY(pos, str, cvar) \
 124   do { \
 125     SCM_ASSERT (SCM_ROSTRINGP (str), str, pos, FUNC_NAME); \
 126     cvar = SCM_ROCHARS (str); \
 127   } while (0)
 128
 129 #define SCM_VALIDATE_NULLORROSTRING_COPY(pos, str, cvar) \
 130   do { \
 131     SCM_ASSERT (SCM_FALSEP (str) || SCM_ROSTRINGP (str), \
 132                 str, pos, FUNC_NAME); \
 133     if (SCM_FALSEP(str)) \
 134       cvar = NULL; \
 135     else \
 136       cvar = SCM_ROCHARS(str); \
 137   } while (0)
 138
 139 #define SCM_VALIDATE_STRING(pos, str) SCM_MAKE_VALIDATE (pos, str, STRINGP)
 140
 141 #define SCM_VALIDATE_STRINGORSUBSTR(pos, str) \
 142   do { \
 143     SCM_ASSERT (SCM_STRINGP (str) || SCM_SUBSTRP (str), \
 144                 str, pos, FUNC_NAME); \
 145   } while (0)
 146
 147 #define SCM_VALIDATE_STRING_COPY(pos, str, cvar) \
 148   do { \
 149     SCM_ASSERT (SCM_STRINGP (str), str, pos, FUNC_NAME); \
 150     cvar = SCM_CHARS(str); \
 151   } while (0)
 152
 153 #define SCM_VALIDATE_RWSTRING(pos, str) \
 154   do { \
 155     SCM_ASSERT (SCM_STRINGP (str), str, pos, FUNC_NAME); \
 156     if (!SCM_RWSTRINGP (str)) \
 157       scm_misc_error (FUNC_NAME, "argument is a read-only string", str); \
 158   } while (0)
 159
 160 #define SCM_VALIDATE_REAL(pos, z) SCM_MAKE_VALIDATE (pos, z, REALP)
 161
 162 #define SCM_VALIDATE_NUMBER_COPY(pos, z, cvar)  \
 163   do {                                          \
 164     if (SCM_INUMP (z))                          \
 165       cvar = (double) SCM_INUM (z);             \
 166     else if (SCM_REALP (z))                     \
 167       cvar = SCM_REAL_VALUE (z);                \
 168     else if (SCM_BIGP (z))                      \
 169       cvar = scm_big2dbl (z);                   \
 170     else                                        \
 171       {                                         \
 172         cvar = 0.0;                             \
 173         SCM_WTA (pos, z);                       \
 174       }                                         \
 175   } while (0)
 176
 177 #define SCM_VALIDATE_INUM(pos, k) SCM_MAKE_VALIDATE (pos, k, INUMP)
 178
 179 #define SCM_VALIDATE_INUM_COPY(pos, k, cvar) \
 180   do { \
 181     SCM_ASSERT (SCM_INUMP (k), k, pos, FUNC_NAME); \
 182     cvar = SCM_INUM (k); \
 183   } while (0)
 184
 185 #define SCM_VALIDATE_ULONG_COPY(pos, k, cvar) \
 186   do { \
 187     cvar = SCM_NUM2ULONG (pos, k); \
 188   } while (0)
 189
 190 #define SCM_VALIDATE_LONG_COPY(pos, k, cvar) \
 191   do { \
 192     cvar = SCM_NUM2LONG(pos, k); \
 193   } while (0)
 194
 195 #define SCM_VALIDATE_BIGINT(pos, k) SCM_MAKE_VALIDATE (pos, k, BIGP)
 196
 197 #define SCM_VALIDATE_INUM_MIN(pos, k, min) \
 198   do { \
 199     SCM_ASSERT (SCM_INUMP(k), k, pos, FUNC_NAME); \
 200     SCM_ASSERT_RANGE (pos, k, (SCM_INUM (k) >= min)); \
 201   } while (0)
 202
 203 #define SCM_VALIDATE_INUM_MIN_COPY(pos, k, min, cvar) \
 204   do { \
 205     SCM_ASSERT (SCM_INUMP (k), k, pos, FUNC_NAME); \
 206     cvar = SCM_INUM (k); \
 207     SCM_ASSERT_RANGE (pos, k, (cvar >= min)); \
 208   } while (0)
 209
 210 #define SCM_VALIDATE_INUM_MIN_DEF_COPY(pos, k, min, default, cvar) \
 211   do { \
 212     if (SCM_UNBNDP (k)) \
 213       k = SCM_MAKINUM (default); \
 214     SCM_ASSERT (SCM_INUMP (k), k, pos, FUNC_NAME); \
 215     cvar = SCM_INUM (k); \
 216     SCM_ASSERT_RANGE (pos, k, (cvar >= min)); \
 217   } while (0)
 218
 219 #define SCM_VALIDATE_INUM_DEF(pos, k, default) \
 220   do { \
 221     if (SCM_UNBNDP (k)) \
 222       k = SCM_MAKINUM (default); \
 223     else SCM_ASSERT (SCM_INUMP (k), k, pos, FUNC_NAME); \
 224   } while (0)
 225
 226 #define SCM_VALIDATE_INUM_DEF_COPY(pos, k, default, cvar) \
 227   do { \
 228     if (SCM_UNBNDP (k)) \
 229       { \
 230         k = SCM_MAKINUM (default); \
 231         cvar = default; \
 232       } \
 233     else \
 234       { \
 235         SCM_ASSERT (SCM_INUMP (k), k, pos, FUNC_NAME); \
 236         cvar = SCM_INUM (k); \
 237       } \
 238   } while (0)
 239
 240 /* [low,high) */
 241 #define SCM_VALIDATE_INUM_RANGE(pos,k,low,high) \
 242   do { SCM_ASSERT(SCM_INUMP(k), k, pos, FUNC_NAME); \
 243        SCM_ASSERT_RANGE(pos,k, \
 244                         (SCM_INUM (k) >= low && \
 245                          SCM_INUM (k) < high)); \
 246      } while (0)
 247
 248 #define SCM_VALIDATE_INUM_RANGE_COPY(pos, k, low, high, cvar) \
 249   do { \
 250     SCM_ASSERT (SCM_INUMP (k), k, pos, FUNC_NAME); \
 251     cvar = SCM_INUM (k); \
 252     SCM_ASSERT_RANGE (pos, k, cvar >= low && cvar < high); \
 253   } while (0)
 254
 255 #define SCM_VALIDATE_NULL(pos, scm) SCM_MAKE_VALIDATE (pos, scm, NULLP)
 256
 257 #define SCM_VALIDATE_CONS(pos, scm) SCM_MAKE_VALIDATE (pos, scm, CONSP)
 258
 259 #define SCM_VALIDATE_LIST(pos, lst) \
 260   do { \
 261     SCM_ASSERT (scm_ilength (lst) >= 0, lst, pos, FUNC_NAME); \
 262   } while (0)
 263
 264 #define SCM_VALIDATE_NONEMPTYLIST(pos, lst) \
 265   do { \
 266     SCM_ASSERT (scm_ilength (lst) > 0, lst, pos, FUNC_NAME); \
 267   } while (0)
 268
 269 #define SCM_VALIDATE_LIST_COPYLEN(pos, lst, cvar) \
 270   do { \
 271     cvar = scm_ilength (lst); \
 272     SCM_ASSERT (cvar >= 0, lst, pos, FUNC_NAME); \
 273   } while (0)
 274
 275 #define SCM_VALIDATE_NONEMPTYLIST_COPYLEN(pos, lst, cvar) \
 276   do { \
 277     cvar = scm_ilength (lst); \
 278     SCM_ASSERT (cvar >= 1, lst, pos, FUNC_NAME); \
 279   } while (0)
 280
 281 #define SCM_VALIDATE_ALISTCELL(pos, alist) \
 282   do { \
 283     SCM_ASSERT (SCM_CONSP (alist) && SCM_CONSP (SCM_CAR (alist)), \
 284                 alist, pos, FUNC_NAME); \
 285   } while (0)
 286
 287 #define SCM_VALIDATE_ALISTCELL_COPYSCM(pos, alist, cvar) \
 288   do { \
 289     SCM_ASSERT (SCM_CONSP (alist), alist, pos, FUNC_NAME); \
 290     cvar = SCM_CAR (alist); \
 291     SCM_ASSERT (SCM_CONSP (cvar), alist, pos, FUNC_NAME); \
 292   } while (0)
 293
 294 #define SCM_VALIDATE_OPORT_VALUE(pos, port) \
 295   do { \
 296     SCM_ASSERT (scm_valid_oport_value_p (port), port, pos, FUNC_NAME); \
 297   } while (0)
 298
 299 #define SCM_VALIDATE_PRINTSTATE(pos, a) SCM_MAKE_VALIDATE(pos,a,PRINT_STATE_P)
 300
 301 #define SCM_VALIDATE_SMOB(pos, obj, type) \
 302   do { \
 303     SCM_ASSERT ((SCM_NIMP (obj) && SCM_TYP16 (obj) == scm_tc16_ ## type), \
 304                 obj, pos, FUNC_NAME); \
 305   } while (0)
 306
 307 #define SCM_VALIDATE_THREAD(pos, a) SCM_MAKE_VALIDATE (pos, a, THREADP)
 308
 309 #define SCM_VALIDATE_THUNK(pos, thunk) \
 310   do { \
 311     SCM_ASSERT (SCM_NFALSEP (scm_thunk_p (thunk)), thunk, pos, FUNC_NAME); \
 312   } while (0)
 313
 314 #define SCM_VALIDATE_SYMBOL(pos, sym) SCM_MAKE_VALIDATE (pos, sym, SYMBOLP)
 315
 316 #define SCM_VALIDATE_VARIABLE(pos, var) SCM_MAKE_VALIDATE (pos, var, VARIABLEP)
 317
 318 #define SCM_VALIDATE_MEMOIZED(pos, obj) SCM_MAKE_VALIDATE (pos, obj, MEMOIZEDP)
 319
 320 #define SCM_VALIDATE_CLOSURE(pos, obj) SCM_MAKE_VALIDATE (pos, obj, CLOSUREP)
 321
 322 #define SCM_VALIDATE_PROC(pos, proc) \
 323   do { \
 324     SCM_ASSERT (SCM_TRUE_P (scm_procedure_p (proc)), proc, pos, FUNC_NAME); \
 325   } while (0)
 326
 327 #define SCM_VALIDATE_NULLORCONS(pos, env) \
 328   do { \
 329     SCM_ASSERT (SCM_NULLP (env) || SCM_CONSP (env), env, pos, FUNC_NAME); \
 330   } while (0)
 331
 332 #define SCM_VALIDATE_HOOK(pos, a) SCM_MAKE_VALIDATE (pos, a, HOOKP)
 333
 334 #define SCM_VALIDATE_RGXP(pos, a) SCM_MAKE_VALIDATE (pos, a, RGXP)
 335
 336 #define SCM_VALIDATE_OPDIR(pos, port) SCM_MAKE_VALIDATE (pos, port, OPDIRP)
 337
 338 #define SCM_VALIDATE_DIR(pos, port) SCM_MAKE_VALIDATE (pos, port, DIRP)
 339
 340 #define SCM_VALIDATE_PORT(pos, port) SCM_MAKE_VALIDATE (pos, port, PORTP)
 341
 342 #define SCM_VALIDATE_INPUT_PORT(pos, port) \
 343   SCM_MAKE_VALIDATE (pos, port, INPUT_PORT_P)
 344
 345 #define SCM_VALIDATE_OUTPUT_PORT(pos, port) \
 346   SCM_MAKE_VALIDATE (pos, port, OUTPUT_PORT_P)
 347
 348 #define SCM_VALIDATE_FPORT(pos, port) SCM_MAKE_VALIDATE (pos, port, FPORTP)
 349
 350 #define SCM_VALIDATE_OPFPORT(pos, port) SCM_MAKE_VALIDATE (pos, port, OPFPORTP)
 351
 352 #define SCM_VALIDATE_OPINPORT(pos, port) \
 353   SCM_MAKE_VALIDATE (pos, port, OPINPORTP)
 354
 355 #define SCM_VALIDATE_OPENPORT(pos,port) \
 356   do { \
 357     SCM_ASSERT (SCM_PORTP (port) && SCM_OPENP (port), \
 358                 port, pos, FUNC_NAME); \
 359   } while (0)
 360
 361 #define SCM_VALIDATE_OPPORT(pos, port) SCM_MAKE_VALIDATE (pos, port, OPPORTP)
 362
 363 #define SCM_VALIDATE_OPOUTPORT(pos, port) \
 364   SCM_MAKE_VALIDATE (pos, port, OPOUTPORTP)
 365
 366 #define SCM_VALIDATE_FLUID(pos, fluid) SCM_MAKE_VALIDATE (pos, fluid, FLUIDP)
 367
 368 #define SCM_VALIDATE_KEYWORD(pos, v) SCM_MAKE_VALIDATE (pos, v, KEYWORDP)
 369
 370 #define SCM_VALIDATE_STACK(pos, v) SCM_MAKE_VALIDATE (pos, v, STACKP)
 371
 372 #define SCM_VALIDATE_FRAME(pos, v) SCM_MAKE_VALIDATE (pos, v, FRAMEP)
 373
 374 #define SCM_VALIDATE_RSTATE(pos, v) SCM_MAKE_VALIDATE (pos, v, RSTATEP)
 375
 376 #define SCM_VALIDATE_ARRAY(pos,v) \
 377   do { \
 378     SCM_ASSERT (SCM_NIMP (v) \
 379                 && !SCM_FALSEP (scm_array_p (v, SCM_UNDEFINED)), \
 380                 v, pos, FUNC_NAME); \
 381   } while (0)
 382
 383 #define SCM_VALIDATE_VECTOR(pos, v) SCM_MAKE_VALIDATE (pos, v, VECTORP)
 384
 385 #define SCM_VALIDATE_VECTOR_OR_DVECTOR(pos, v) \
 386   do { \
 387     SCM_ASSERT ((SCM_VECTORP (v) \
 388                 || (SCM_NIMP (v) && SCM_TYP7 (v) == scm_tc7_dvect)), \
 389                 v, pos, FUNC_NAME); \
 390   } while (0)
 391
 392 #define SCM_VALIDATE_STRUCT(pos, v) SCM_MAKE_VALIDATE (pos, v, STRUCTP)
 393
 394 #define SCM_VALIDATE_VTABLE(pos, v) \
 395   do { \
 396     SCM_ASSERT (SCM_NIMP (v) && SCM_NFALSEP (scm_struct_vtable_p (v)), \
 397                 v, pos, FUNC_NAME); \
 398   } while (0)
 399
 400 #define SCM_VALIDATE_VECTOR_LEN(pos, v, len) \
 401   do { \
 402     SCM_ASSERT (SCM_VECTORP (v) && len == SCM_LENGTH (v), v, pos, FUNC_NAME); \
 403   } while (0)
 404
 405 #endif
 406
 407 /*
 408   Local Variables:
 409   c-file-style: "gnu"
 410   End:
 411 */