libguile/validate.h

   1 /* $Id: validate.h,v 1.34 2001-06-26 10:59:34 dirk Exp $ */
   2 /* Copyright (C) 1999,2000,2001 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_SYSERROR do { scm_syserror (FUNC_NAME); } while (0)
  49
  50 #define SCM_MEMORY_ERROR do { scm_memory_error (FUNC_NAME); } while (0)
  51
  52 #define SCM_SYSERROR_MSG(str, args, val) \
  53   do { scm_syserror_msg (FUNC_NAME, (str), (args), (val)); } while (0)
  54
  55 #define SCM_MISC_ERROR(str, args) \
  56   do { scm_misc_error (FUNC_NAME, str, args); } while (0)
  57
  58 #define SCM_WRONG_NUM_ARGS() \
  59   do { scm_error_num_args_subr (FUNC_NAME); } while (0)
  60
  61 #define SCM_WRONG_TYPE_ARG(pos, obj) \
  62   do { scm_wrong_type_arg (FUNC_NAME, pos, obj); } while (0)
  63
  64 #define SCM_NUM2SIZE(pos, arg) (scm_num2size (arg, pos, FUNC_NAME))
  65
  66 #define SCM_NUM2SIZE_DEF(pos, arg, def) \
  67   (SCM_UNBNDP (arg) ? def : scm_num2size (arg, pos, FUNC_NAME))
  68
  69 #define SCM_NUM2PTRDIFF(pos, arg) (scm_num2ptrdiff (arg, pos, FUNC_NAME))
  70
  71 #define SCM_NUM2PTRDIFF_DEF(pos, arg, def) \
  72   (SCM_UNBNDP (arg) ? def : scm_num2ptrdiff (arg, pos, FUNC_NAME))
  73
  74 #define SCM_NUM2SHORT(pos, arg) (scm_num2short (arg, pos, FUNC_NAME))
  75
  76 #define SCM_NUM2SHORT_DEF(pos, arg, def) \
  77   (SCM_UNBNDP (arg) ? def : scm_num2short (arg, pos, FUNC_NAME))
  78
  79 #define SCM_NUM2USHORT(pos, arg) (scm_num2ushort (arg, pos, FUNC_NAME))
  80
  81 #define SCM_NUM2USHORT_DEF(pos, arg, def) \
  82   (SCM_UNBNDP (arg) ? def : scm_num2ushort (arg, pos, FUNC_NAME))
  83
  84 #define SCM_NUM2INT(pos, arg) (scm_num2int (arg, pos, FUNC_NAME))
  85
  86 #define SCM_NUM2INT_DEF(pos, arg, def) \
  87   (SCM_UNBNDP (arg) ? def : scm_num2int (arg, pos, FUNC_NAME))
  88
  89 #define SCM_NUM2UINT(pos, arg) (scm_num2uint (arg, pos, FUNC_NAME))
  90
  91 #define SCM_NUM2UINT_DEF(pos, arg, def) \
  92   (SCM_UNBNDP (arg) ? def : scm_num2uint (arg, pos, FUNC_NAME))
  93
  94 #define SCM_NUM2ULONG(pos, arg) (scm_num2ulong (arg, pos, FUNC_NAME))
  95
  96 #define SCM_NUM2ULONG_DEF(pos, arg, def) \
  97   (SCM_UNBNDP (arg) ? def : scm_num2ulong (arg, pos, FUNC_NAME))
  98
  99 #define SCM_NUM2LONG(pos, arg) (scm_num2long (arg, pos, FUNC_NAME))
 100
 101 #define SCM_NUM2LONG_DEF(pos, arg, def) \
 102   (SCM_UNBNDP (arg) ? def : scm_num2long (arg, pos, FUNC_NAME))
 103
 104 #define SCM_NUM2LONG_LONG(pos, arg) \
 105   (scm_num2long_long (arg, pos, FUNC_NAME))
 106
 107 #define SCM_NUM2LONG_LONG_DEF(pos, arg, def) \
 108   (SCM_UNBNDP (arg) ? def : scm_num2long_long (arg, pos, FUNC_NAME))
 109
 110 #define SCM_NUM2ULONG_LONG(pos, arg) \
 111   (scm_num2ulong_long (arg, pos, FUNC_NAME))
 112
 113 #define SCM_NUM2ULONG_LONG_DEF(pos, arg, def) \
 114   (SCM_UNBNDP (arg) ? def : scm_num2ulong_long (arg, pos, FUNC_NAME))
 115
 116 #define SCM_OUT_OF_RANGE(pos, arg) \
 117   do { scm_out_of_range_pos (FUNC_NAME, arg, SCM_MAKINUM (pos)); } while (0)
 118
 119 #define SCM_ASSERT_RANGE(pos, arg, f) \
 120   do { if (!(f)) scm_out_of_range_pos (FUNC_NAME, arg, SCM_MAKINUM (pos)); } while (0)
 121
 122 #define SCM_MUST_MALLOC_TYPE(type) \
 123   ((type *) scm_must_malloc (sizeof (type), FUNC_NAME))
 124
 125 #define SCM_MUST_MALLOC_TYPE_NUM(type, num) \
 126   ((type *) scm_must_malloc (sizeof (type) * (num), FUNC_NAME))
 127
 128 #define SCM_MUST_MALLOC(size) (scm_must_malloc ((size), FUNC_NAME))
 129
 130 #define SCM_MAKE_VALIDATE(pos, var, pred) \
 131   do { \
 132     SCM_ASSERT_TYPE (SCM_ ## pred (var), var, pos, FUNC_NAME, #pred); \
 133   } while (0)
 134
 135 \f
 136
 137 #define SCM_VALIDATE_REST_ARGUMENT(x) \
 138   do { \
 139     if (SCM_DEBUG_REST_ARGUMENT) { \
 140       if (scm_ilength (x) < 0) { \
 141         SCM_MISC_ERROR ("Rest arguments do not form a proper list.", SCM_EOL); \
 142       } \
 143     } \
 144   } while (0)
 145
 146 #define SCM_VALIDATE_NIM(pos, scm) SCM_MAKE_VALIDATE (pos, scm, NIMP)
 147
 148 #define SCM_VALIDATE_BOOL(pos, flag) SCM_MAKE_VALIDATE(pos, flag, BOOLP)
 149
 150 #define SCM_VALIDATE_BOOL_COPY(pos, flag, cvar) \
 151   do { \
 152     SCM_ASSERT (SCM_BOOLP (flag), flag, pos, FUNC_NAME); \
 153     cvar = SCM_EQ_P (flag, SCM_BOOL_T) ? 1 : 0; \
 154   } while (0)
 155
 156 #define SCM_VALIDATE_CHAR(pos, scm) SCM_MAKE_VALIDATE (pos, scm, CHARP)
 157
 158 #define SCM_VALIDATE_CHAR_COPY(pos, scm, cvar) \
 159   do { \
 160     SCM_ASSERT (SCM_CHARP (scm), scm, pos, FUNC_NAME); \
 161     cvar = SCM_CHAR (scm); \
 162   } while (0)
 163
 164 #define SCM_VALIDATE_STRING(pos, str) SCM_MAKE_VALIDATE (pos, str, STRINGP)
 165
 166 #define SCM_VALIDATE_STRING_COPY(pos, str, cvar) \
 167   do { \
 168     SCM_ASSERT (SCM_STRINGP (str), str, pos, FUNC_NAME); \
 169     cvar = SCM_STRING_CHARS(str); \
 170   } while (0)
 171
 172 /* validate a string and optional start/end arguments which default to
 173    0/string-len.  this is unrelated to the old shared substring
 174    support, so please do not deprecate it :) */
 175 #define SCM_VALIDATE_SUBSTRING_SPEC_COPY(pos_str, str, c_str, \
 176                                          pos_start, start, c_start,\
 177                                          pos_end, end, c_end) \
 178   do {\
 179     SCM_VALIDATE_STRING_COPY (pos_str, str, c_str);\
 180     SCM_VALIDATE_INUM_DEF_COPY (pos_start, start, 0, c_start);\
 181     SCM_VALIDATE_INUM_DEF_COPY (pos_end, end, SCM_STRING_LENGTH (str), c_end);\
 182     SCM_ASSERT_RANGE (pos_start, start,\
 183                       0 <= c_start \
 184                       && (size_t) c_start <= SCM_STRING_LENGTH (str));\
 185     SCM_ASSERT_RANGE (pos_end, end,\
 186                       c_start <= c_end \
 187                       && (size_t) c_end <= SCM_STRING_LENGTH (str));\
 188   } while (0)
 189
 190 #define SCM_VALIDATE_REAL(pos, z) SCM_MAKE_VALIDATE (pos, z, REALP)
 191
 192 #define SCM_VALIDATE_NUMBER(pos, z) SCM_MAKE_VALIDATE (pos, z, NUMBERP)
 193
 194 #define SCM_VALIDATE_INUM(pos, k) SCM_MAKE_VALIDATE (pos, k, INUMP)
 195
 196 #define SCM_VALIDATE_INUM_COPY(pos, k, cvar) \
 197   do { \
 198     SCM_ASSERT (SCM_INUMP (k), k, pos, FUNC_NAME); \
 199     cvar = SCM_INUM (k); \
 200   } while (0)
 201
 202 #define SCM_VALIDATE_ULONG_COPY(pos, k, cvar) \
 203   do { \
 204     cvar = SCM_NUM2ULONG (pos, k); \
 205   } while (0)
 206
 207 #define SCM_VALIDATE_LONG_COPY(pos, k, cvar) \
 208   do { \
 209     cvar = SCM_NUM2LONG (pos, k); \
 210   } while (0)
 211
 212 #define SCM_VALIDATE_BIGINT(pos, k) SCM_MAKE_VALIDATE (pos, k, BIGP)
 213
 214 #define SCM_VALIDATE_INUM_MIN(pos, k, min) \
 215   do { \
 216     SCM_ASSERT (SCM_INUMP(k), k, pos, FUNC_NAME); \
 217     SCM_ASSERT_RANGE (pos, k, (SCM_INUM (k) >= min)); \
 218   } while (0)
 219
 220 #define SCM_VALIDATE_INUM_MIN_COPY(pos, k, min, cvar) \
 221   do { \
 222     SCM_ASSERT (SCM_INUMP (k), k, pos, FUNC_NAME); \
 223     SCM_ASSERT_RANGE (pos, k, (SCM_INUM (k) >= min)); \
 224     cvar = SCM_INUM (k); \
 225   } while (0)
 226
 227 #define SCM_VALIDATE_INUM_MIN_DEF_COPY(pos, k, min, default, cvar) \
 228   do { \
 229     if (SCM_UNBNDP (k)) \
 230       k = SCM_MAKINUM (default); \
 231     SCM_ASSERT (SCM_INUMP (k), k, pos, FUNC_NAME); \
 232     SCM_ASSERT_RANGE (pos, k, (SCM_INUM (k) >= min)); \
 233     cvar = SCM_INUM (k); \
 234   } while (0)
 235
 236 #define SCM_VALIDATE_INUM_DEF(pos, k, default) \
 237   do { \
 238     if (SCM_UNBNDP (k)) \
 239       k = SCM_MAKINUM (default); \
 240     else SCM_ASSERT (SCM_INUMP (k), k, pos, FUNC_NAME); \
 241   } while (0)
 242
 243 #define SCM_VALIDATE_INUM_DEF_COPY(pos, k, default, cvar) \
 244   do { \
 245     if (SCM_UNBNDP (k)) \
 246       { \
 247         k = SCM_MAKINUM (default); \
 248         cvar = default; \
 249       } \
 250     else \
 251       { \
 252         SCM_ASSERT (SCM_INUMP (k), k, pos, FUNC_NAME); \
 253         cvar = SCM_INUM (k); \
 254       } \
 255   } while (0)
 256
 257 /* [low,high) */
 258 #define SCM_VALIDATE_INUM_RANGE(pos,k,low,high) \
 259   do { SCM_ASSERT(SCM_INUMP(k), k, pos, FUNC_NAME); \
 260        SCM_ASSERT_RANGE(pos,k, \
 261                         (SCM_INUM (k) >= low && \
 262                          SCM_INUM (k) < high)); \
 263      } while (0)
 264
 265 #define SCM_VALIDATE_INUM_RANGE_COPY(pos, k, low, high, cvar) \
 266   do { \
 267     SCM_ASSERT (SCM_INUMP (k), k, pos, FUNC_NAME); \
 268     SCM_ASSERT_RANGE (pos, k, low <= SCM_INUM (k) && SCM_INUM (k) < high); \
 269     cvar = SCM_INUM (k); \
 270   } while (0)
 271
 272 #define SCM_VALIDATE_NULL(pos, scm) SCM_MAKE_VALIDATE (pos, scm, NULLP)
 273
 274 #define SCM_VALIDATE_CONS(pos, scm) SCM_MAKE_VALIDATE (pos, scm, CONSP)
 275
 276 #define SCM_VALIDATE_LIST(pos, lst) \
 277   do { \
 278     SCM_ASSERT (scm_ilength (lst) >= 0, lst, pos, FUNC_NAME); \
 279   } while (0)
 280
 281 #define SCM_VALIDATE_NONEMPTYLIST(pos, lst) \
 282   do { \
 283     SCM_ASSERT (scm_ilength (lst) > 0, lst, pos, FUNC_NAME); \
 284   } while (0)
 285
 286 #define SCM_VALIDATE_LIST_COPYLEN(pos, lst, cvar) \
 287   do { \
 288     cvar = scm_ilength (lst); \
 289     SCM_ASSERT (cvar >= 0, lst, pos, FUNC_NAME); \
 290   } while (0)
 291
 292 #define SCM_VALIDATE_NONEMPTYLIST_COPYLEN(pos, lst, cvar) \
 293   do { \
 294     cvar = scm_ilength (lst); \
 295     SCM_ASSERT (cvar >= 1, lst, pos, FUNC_NAME); \
 296   } while (0)
 297
 298 #define SCM_VALIDATE_ALISTCELL(pos, alist) \
 299   do { \
 300     SCM_ASSERT (SCM_CONSP (alist) && SCM_CONSP (SCM_CAR (alist)), \
 301                 alist, pos, FUNC_NAME); \
 302   } while (0)
 303
 304 #define SCM_VALIDATE_ALISTCELL_COPYSCM(pos, alist, cvar) \
 305   do { \
 306     SCM_ASSERT (SCM_CONSP (alist), alist, pos, FUNC_NAME); \
 307     cvar = SCM_CAR (alist); \
 308     SCM_ASSERT (SCM_CONSP (cvar), alist, pos, FUNC_NAME); \
 309   } while (0)
 310
 311 #define SCM_VALIDATE_OPORT_VALUE(pos, port) \
 312   do { \
 313     SCM_ASSERT (scm_valid_oport_value_p (port), port, pos, FUNC_NAME); \
 314   } while (0)
 315
 316 #define SCM_VALIDATE_PRINTSTATE(pos, a) SCM_MAKE_VALIDATE(pos,a,PRINT_STATE_P)
 317
 318 #define SCM_VALIDATE_SMOB(pos, obj, type) \
 319   do { \
 320     SCM_ASSERT (SCM_TYP16_PREDICATE (scm_tc16_ ## type, obj), \
 321                 obj, pos, FUNC_NAME); \
 322   } while (0)
 323
 324 #define SCM_VALIDATE_THREAD(pos, a) SCM_MAKE_VALIDATE (pos, a, THREADP)
 325
 326 #define SCM_VALIDATE_THUNK(pos, thunk) \
 327   do { \
 328     SCM_ASSERT (SCM_NFALSEP (scm_thunk_p (thunk)), thunk, pos, FUNC_NAME); \
 329   } while (0)
 330
 331 #define SCM_VALIDATE_SYMBOL(pos, sym) SCM_MAKE_VALIDATE (pos, sym, SYMBOLP)
 332
 333 #define SCM_VALIDATE_VARIABLE(pos, var) SCM_MAKE_VALIDATE (pos, var, VARIABLEP)
 334
 335 #define SCM_VALIDATE_MEMOIZED(pos, obj) SCM_MAKE_VALIDATE (pos, obj, MEMOIZEDP)
 336
 337 #define SCM_VALIDATE_CLOSURE(pos, obj) SCM_MAKE_VALIDATE (pos, obj, CLOSUREP)
 338
 339 #define SCM_VALIDATE_PROC(pos, proc) \
 340   do { \
 341     SCM_ASSERT (SCM_EQ_P (scm_procedure_p (proc), SCM_BOOL_T), proc, pos, FUNC_NAME); \
 342   } while (0)
 343
 344 #define SCM_VALIDATE_NULLORCONS(pos, env) \
 345   do { \
 346     SCM_ASSERT (SCM_NULLP (env) || SCM_CONSP (env), env, pos, FUNC_NAME); \
 347   } while (0)
 348
 349 #define SCM_VALIDATE_HOOK(pos, a) SCM_MAKE_VALIDATE (pos, a, HOOKP)
 350
 351 #define SCM_VALIDATE_RGXP(pos, a) SCM_MAKE_VALIDATE (pos, a, RGXP)
 352
 353 #define SCM_VALIDATE_DIR(pos, port) SCM_MAKE_VALIDATE (pos, port, DIRP)
 354
 355 #define SCM_VALIDATE_PORT(pos, port) SCM_MAKE_VALIDATE (pos, port, PORTP)
 356
 357 #define SCM_VALIDATE_INPUT_PORT(pos, port) \
 358   SCM_MAKE_VALIDATE (pos, port, INPUT_PORT_P)
 359
 360 #define SCM_VALIDATE_OUTPUT_PORT(pos, port) \
 361   SCM_MAKE_VALIDATE (pos, port, OUTPUT_PORT_P)
 362
 363 #define SCM_VALIDATE_FPORT(pos, port) SCM_MAKE_VALIDATE (pos, port, FPORTP)
 364
 365 #define SCM_VALIDATE_OPFPORT(pos, port) SCM_MAKE_VALIDATE (pos, port, OPFPORTP)
 366
 367 #define SCM_VALIDATE_OPINPORT(pos, port) \
 368   SCM_MAKE_VALIDATE (pos, port, OPINPORTP)
 369
 370 #define SCM_VALIDATE_OPENPORT(pos,port) \
 371   do { \
 372     SCM_ASSERT (SCM_PORTP (port) && SCM_OPENP (port), \
 373                 port, pos, FUNC_NAME); \
 374   } while (0)
 375
 376 #define SCM_VALIDATE_OPPORT(pos, port) SCM_MAKE_VALIDATE (pos, port, OPPORTP)
 377
 378 #define SCM_VALIDATE_OPOUTPORT(pos, port) \
 379   SCM_MAKE_VALIDATE (pos, port, OPOUTPORTP)
 380
 381 #define SCM_VALIDATE_OPOUTSTRPORT(pos, port) \
 382   SCM_MAKE_VALIDATE (pos, port, OPOUTSTRPORTP)
 383
 384 #define SCM_VALIDATE_FLUID(pos, fluid) SCM_MAKE_VALIDATE (pos, fluid, FLUIDP)
 385
 386 #define SCM_VALIDATE_KEYWORD(pos, v) SCM_MAKE_VALIDATE (pos, v, KEYWORDP)
 387
 388 #define SCM_VALIDATE_STACK(pos, v) SCM_MAKE_VALIDATE (pos, v, STACKP)
 389
 390 #define SCM_VALIDATE_FRAME(pos, v) SCM_MAKE_VALIDATE (pos, v, FRAMEP)
 391
 392 #define SCM_VALIDATE_RSTATE(pos, v) SCM_MAKE_VALIDATE (pos, v, RSTATEP)
 393
 394 #define SCM_VALIDATE_ARRAY(pos,v) \
 395   do { \
 396     SCM_ASSERT (SCM_NIMP (v) \
 397                 && !SCM_FALSEP (scm_array_p (v, SCM_UNDEFINED)), \
 398                 v, pos, FUNC_NAME); \
 399   } while (0)
 400
 401 #define SCM_VALIDATE_VECTOR(pos, v) SCM_MAKE_VALIDATE (pos, v, VECTORP)
 402
 403 #define SCM_VALIDATE_VECTOR_OR_DVECTOR(pos, v) \
 404   do { \
 405     SCM_ASSERT ((SCM_VECTORP (v) \
 406                 || (SCM_NIMP (v) && SCM_TYP7 (v) == scm_tc7_dvect)), \
 407                 v, pos, FUNC_NAME); \
 408   } while (0)
 409
 410 #define SCM_VALIDATE_STRUCT(pos, v) SCM_MAKE_VALIDATE (pos, v, STRUCTP)
 411
 412 #define SCM_VALIDATE_VTABLE(pos, v) \
 413   do { \
 414     SCM_ASSERT (SCM_NIMP (v) && SCM_NFALSEP (scm_struct_vtable_p (v)), \
 415                 v, pos, FUNC_NAME); \
 416   } while (0)
 417
 418 #define SCM_VALIDATE_VECTOR_LEN(pos, v, len) \
 419   do { \
 420     SCM_ASSERT (SCM_VECTORP (v) && len == SCM_VECTOR_LENGTH (v), v, pos, FUNC_NAME); \
 421   } while (0)
 422
 423 \f
 424
 425 #if (SCM_DEBUG_DEPRECATED == 0)
 426
 427 #define SCM_FUNC_NAME (scm_makfrom0str (FUNC_NAME))
 428
 429 #define SCM_WTA(pos, scm) \
 430   do { scm_wta (scm, (char *) pos, FUNC_NAME); } while (0)
 431
 432 #define RETURN_SCM_WTA(pos, scm) \
 433   do { return scm_wta (scm, (char *) pos, FUNC_NAME); } while (0)
 434
 435 #define SCM_VALIDATE_NUMBER_COPY(pos, z, cvar)  \
 436   do {                                          \
 437     if (SCM_INUMP (z))                          \
 438       cvar = (double) SCM_INUM (z);             \
 439     else if (SCM_REALP (z))                     \
 440       cvar = SCM_REAL_VALUE (z);                \
 441     else if (SCM_BIGP (z))                      \
 442       cvar = scm_i_big2dbl (z);                 \
 443     else                                        \
 444       {                                         \
 445         cvar = 0.0;                             \
 446         SCM_WRONG_TYPE_ARG (pos, z);            \
 447       }                                         \
 448   } while (0)
 449
 450 #define SCM_VALIDATE_NUMBER_DEF_COPY(pos, number, def, cvar)    \
 451   do {                                                          \
 452     if (SCM_UNBNDP (number))                                    \
 453       cvar = def;                                               \
 454     else                                                        \
 455       SCM_VALIDATE_NUMBER_COPY(pos, number, cvar);              \
 456   } while (0)
 457
 458 #define SCM_VALIDATE_STRINGORSUBSTR SCM_VALIDATE_STRING
 459
 460 #define SCM_VALIDATE_ROSTRING(pos, str) SCM_MAKE_VALIDATE (pos, str, ROSTRINGP)
 461
 462 #define SCM_VALIDATE_ROSTRING_COPY(pos, str, cvar) \
 463   do { \
 464     SCM_ASSERT (SCM_ROSTRINGP (str), str, pos, FUNC_NAME); \
 465     cvar = SCM_ROCHARS (str); \
 466   } while (0)
 467
 468 #define SCM_VALIDATE_NULLORROSTRING_COPY(pos, str, cvar) \
 469   do { \
 470     SCM_ASSERT (SCM_FALSEP (str) || SCM_ROSTRINGP (str), \
 471                 str, pos, FUNC_NAME); \
 472     if (SCM_FALSEP(str)) \
 473       cvar = NULL; \
 474     else \
 475       cvar = SCM_ROCHARS(str); \
 476   } while (0)
 477
 478 #define SCM_VALIDATE_RWSTRING(pos, str) \
 479   do { \
 480     SCM_ASSERT (SCM_STRINGP (str), str, pos, FUNC_NAME); \
 481     if (!SCM_RWSTRINGP (str)) \
 482       scm_misc_error (FUNC_NAME, "argument is a read-only string", str); \
 483   } while (0)
 484
 485 #define SCM_VALIDATE_OPDIR(pos, port) SCM_MAKE_VALIDATE (pos, port, OPDIRP)
 486
 487 #endif  /* SCM_DEBUG_DEPRECATED == 0 */
 488
 489 #endif
 490
 491 /*
 492   Local Variables:
 493   c-file-style: "gnu"
 494   End:
 495 */