libguile/vm-i-scheme.c

   1 /* Copyright (C) 2001, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
   2  *
   3  * This library is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU Lesser General Public License
   5  * as published by the Free Software Foundation; either version 3 of
   6  * the License, or (at your option) any later version.
   7  *
   8  * This library is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * Lesser General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public
  14  * License along with this library; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  16  * 02110-1301 USA
  17  */
  18
  19 /* This file is included in vm_engine.c */
  20
  21 \f
  22 /*
  23  * Predicates
  24  */
  25
  26 #define ARGS1(a1)       SCM a1 = sp[0];
  27 #define ARGS2(a1,a2)    SCM a1 = sp[-1], a2 = sp[0]; sp--; NULLSTACK (1);
  28 #define ARGS3(a1,a2,a3) SCM a1 = sp[-2], a2 = sp[-1], a3 = sp[0]; sp -= 2; NULLSTACK (2);
  29
  30 #define RETURN(x)       do { *sp = x; NEXT; } while (0)
  31
  32 VM_DEFINE_FUNCTION (128, not, "not", 1)
  33 {
  34   ARGS1 (x);
  35   RETURN (scm_from_bool (scm_is_false (x)));
  36 }
  37
  38 VM_DEFINE_FUNCTION (129, not_not, "not-not", 1)
  39 {
  40   ARGS1 (x);
  41   RETURN (scm_from_bool (!scm_is_false (x)));
  42 }
  43
  44 VM_DEFINE_FUNCTION (130, eq, "eq?", 2)
  45 {
  46   ARGS2 (x, y);
  47   RETURN (scm_from_bool (scm_is_eq (x, y)));
  48 }
  49
  50 VM_DEFINE_FUNCTION (131, not_eq, "not-eq?", 2)
  51 {
  52   ARGS2 (x, y);
  53   RETURN (scm_from_bool (!scm_is_eq (x, y)));
  54 }
  55
  56 VM_DEFINE_FUNCTION (132, nullp, "null?", 1)
  57 {
  58   ARGS1 (x);
  59   RETURN (scm_from_bool (scm_is_null (x)));
  60 }
  61
  62 VM_DEFINE_FUNCTION (133, not_nullp, "not-null?", 1)
  63 {
  64   ARGS1 (x);
  65   RETURN (scm_from_bool (!scm_is_null (x)));
  66 }
  67
  68 VM_DEFINE_FUNCTION (134, eqv, "eqv?", 2)
  69 {
  70   ARGS2 (x, y);
  71   if (scm_is_eq (x, y))
  72     RETURN (SCM_BOOL_T);
  73   if (SCM_IMP (x) || SCM_IMP (y))
  74     RETURN (SCM_BOOL_F);
  75   SYNC_REGISTER ();
  76   RETURN (scm_eqv_p (x, y));
  77 }
  78
  79 VM_DEFINE_FUNCTION (135, equal, "equal?", 2)
  80 {
  81   ARGS2 (x, y);
  82   if (scm_is_eq (x, y))
  83     RETURN (SCM_BOOL_T);
  84   if (SCM_IMP (x) || SCM_IMP (y))
  85     RETURN (SCM_BOOL_F);
  86   SYNC_REGISTER ();
  87   RETURN (scm_equal_p (x, y));
  88 }
  89
  90 VM_DEFINE_FUNCTION (136, pairp, "pair?", 1)
  91 {
  92   ARGS1 (x);
  93   RETURN (scm_from_bool (scm_is_pair (x)));
  94 }
  95
  96 VM_DEFINE_FUNCTION (137, listp, "list?", 1)
  97 {
  98   ARGS1 (x);
  99   RETURN (scm_from_bool (scm_ilength (x) >= 0));
 100 }
 101
 102 VM_DEFINE_FUNCTION (138, symbolp, "symbol?", 1)
 103 {
 104   ARGS1 (x);
 105   RETURN (scm_from_bool (scm_is_symbol (x)));
 106 }
 107
 108 VM_DEFINE_FUNCTION (139, vectorp, "vector?", 1)
 109 {
 110   ARGS1 (x);
 111   RETURN (scm_from_bool (SCM_I_IS_VECTOR (x)));
 112 }
 113
 114 \f
 115 /*
 116  * Basic data
 117  */
 118
 119 VM_DEFINE_FUNCTION (140, cons, "cons", 2)
 120 {
 121   ARGS2 (x, y);
 122   CONS (x, x, y);
 123   RETURN (x);
 124 }
 125
 126 #define VM_VALIDATE_CONS(x, proc)               \
 127   VM_ASSERT (scm_is_pair (x), vm_error_not_a_pair (proc, x))
 128
 129 VM_DEFINE_FUNCTION (141, car, "car", 1)
 130 {
 131   ARGS1 (x);
 132   VM_VALIDATE_CONS (x, "car");
 133   RETURN (SCM_CAR (x));
 134 }
 135
 136 VM_DEFINE_FUNCTION (142, cdr, "cdr", 1)
 137 {
 138   ARGS1 (x);
 139   VM_VALIDATE_CONS (x, "cdr");
 140   RETURN (SCM_CDR (x));
 141 }
 142
 143 VM_DEFINE_INSTRUCTION (143, set_car, "set-car!", 0, 2, 0)
 144 {
 145   SCM x, y;
 146   POP2 (y, x);
 147   VM_VALIDATE_CONS (x, "set-car!");
 148   SCM_SETCAR (x, y);
 149   NEXT;
 150 }
 151
 152 VM_DEFINE_INSTRUCTION (144, set_cdr, "set-cdr!", 0, 2, 0)
 153 {
 154   SCM x, y;
 155   POP2 (y, x);
 156   VM_VALIDATE_CONS (x, "set-cdr!");
 157   SCM_SETCDR (x, y);
 158   NEXT;
 159 }
 160
 161 \f
 162 /*
 163  * Numeric relational tests
 164  */
 165
 166 #undef REL
 167 #define REL(crel,srel)                                                  \
 168   {                                                                     \
 169     ARGS2 (x, y);                                                       \
 170     if (SCM_I_INUMP (x) && SCM_I_INUMP (y))                             \
 171       RETURN (scm_from_bool (((scm_t_signed_bits) SCM_UNPACK (x))       \
 172                              crel ((scm_t_signed_bits) SCM_UNPACK (y)))); \
 173     SYNC_REGISTER ();                                                   \
 174     RETURN (srel (x, y));                                               \
 175   }
 176
 177 VM_DEFINE_FUNCTION (145, ee, "ee?", 2)
 178 {
 179   REL (==, scm_num_eq_p);
 180 }
 181
 182 VM_DEFINE_FUNCTION (146, lt, "lt?", 2)
 183 {
 184   REL (<, scm_less_p);
 185 }
 186
 187 VM_DEFINE_FUNCTION (147, le, "le?", 2)
 188 {
 189   REL (<=, scm_leq_p);
 190 }
 191
 192 VM_DEFINE_FUNCTION (148, gt, "gt?", 2)
 193 {
 194   REL (>, scm_gr_p);
 195 }
 196
 197 VM_DEFINE_FUNCTION (149, ge, "ge?", 2)
 198 {
 199   REL (>=, scm_geq_p);
 200 }
 201
 202 \f
 203 /*
 204  * Numeric functions
 205  */
 206
 207 /* The maximum/minimum tagged integers.  */
 208 #undef INUM_MAX
 209 #undef INUM_MIN
 210 #undef INUM_STEP
 211 #define INUM_MAX  \
 212   ((scm_t_signed_bits) SCM_UNPACK (SCM_I_MAKINUM (SCM_MOST_POSITIVE_FIXNUM)))
 213 #define INUM_MIN  \
 214   ((scm_t_signed_bits) SCM_UNPACK (SCM_I_MAKINUM (SCM_MOST_NEGATIVE_FIXNUM)))
 215 #define INUM_STEP                                \
 216   ((scm_t_signed_bits) SCM_UNPACK (SCM_INUM1)    \
 217    - (scm_t_signed_bits) SCM_UNPACK (SCM_INUM0))
 218
 219 #undef FUNC2
 220 #define FUNC2(CFUNC,SFUNC)                              \
 221 {                                                       \
 222   ARGS2 (x, y);                                         \
 223   if (SCM_I_INUMP (x) && SCM_I_INUMP (y))               \
 224     {                                                   \
 225       scm_t_int64 n = SCM_I_INUM (x) CFUNC SCM_I_INUM (y);\
 226       if (SCM_FIXABLE (n))                              \
 227         RETURN (SCM_I_MAKINUM (n));                     \
 228     }                                                   \
 229   SYNC_REGISTER ();                                     \
 230   RETURN (SFUNC (x, y));                                \
 231 }
 232
 233 /* Assembly tagged integer arithmetic routines.  This code uses the
 234    `asm goto' feature introduced in GCC 4.5.  */
 235
 236 #if SCM_GNUC_PREREQ (4, 5) && (defined __x86_64__ || defined __i386__)
 237
 238 # undef _CX
 239 # if SIZEOF_VOID_P == 8
 240 #  define _CX "rcx"
 241 # elif SIZEOF_VOID_P == 4
 242 #  define _CX "ecx"
 243 # else
 244 #  error unsupported word size
 245 # endif
 246
 247 /* The macros below check the CPU's overflow flag to improve fixnum
 248    arithmetic.  The _CX register (%rcx or %ecx) is explicitly
 249    clobbered because `asm goto' can't have outputs, in which case the
 250    `r' constraint could be used to let the register allocator choose a
 251    register.
 252
 253    TODO: Use `cold' label attribute in GCC 4.6.
 254    http://gcc.gnu.org/ml/gcc-patches/2010-10/msg01777.html  */
 255
 256 # define ASM_ADD(x, y)                                                  \
 257     {                                                                   \
 258       asm volatile goto ("mov %1, %%"_CX"; "                            \
 259                          "test %[tag], %%cl;   je %l[slow_add]; "       \
 260                          "test %[tag], %0;     je %l[slow_add]; "       \
 261                          "sub %[tag], %%"_CX"; "                        \
 262                          "add %0, %%"_CX";     jo %l[slow_add]; "       \
 263                          "mov %%"_CX", (%[vsp])\n"                      \
 264                          : /* no outputs */                             \
 265                          : "r" (x), "r" (y),                            \
 266                            [vsp] "r" (sp), [tag] "i" (scm_tc2_int)      \
 267                          : _CX, "memory", "cc"                          \
 268                          : slow_add);                                   \
 269       NEXT;                                                             \
 270     }                                                                   \
 271   slow_add:                                                             \
 272     do { } while (0)
 273
 274 # define ASM_SUB(x, y)                                                  \
 275     {                                                                   \
 276       asm volatile goto ("mov %0, %%"_CX"; "                            \
 277                          "test %[tag], %%cl;   je %l[slow_sub]; "       \
 278                          "test %[tag], %1;     je %l[slow_sub]; "       \
 279                          "sub %1, %%"_CX";     jo %l[slow_sub]; "       \
 280                          "add %[tag], %%"_CX"; "                        \
 281                          "mov %%"_CX", (%[vsp])\n"                      \
 282                          : /* no outputs */                             \
 283                          : "r" (x), "r" (y),                            \
 284                            [vsp] "r" (sp), [tag] "i" (scm_tc2_int)      \
 285                          : _CX, "memory", "cc"                          \
 286                          : slow_sub);                                   \
 287       NEXT;                                                             \
 288     }                                                                   \
 289   slow_sub:                                                             \
 290     do { } while (0)
 291
 292 # define ASM_MUL(x, y)                                                  \
 293     {                                                                   \
 294       scm_t_signed_bits xx = SCM_I_INUM (x);                            \
 295       asm volatile goto ("mov %1, %%"_CX"; "                            \
 296                          "test %[tag], %%cl;   je %l[slow_mul]; "       \
 297                          "sub %[tag], %%"_CX"; "                        \
 298                          "test %[tag], %0;     je %l[slow_mul]; "       \
 299                          "imul %2, %%"_CX";    jo %l[slow_mul]; "       \
 300                          "add %[tag], %%"_CX"; "                        \
 301                          "mov %%"_CX", (%[vsp])\n"                      \
 302                          : /* no outputs */                             \
 303                          : "r" (x), "r" (y), "r" (xx),                  \
 304                            [vsp] "r" (sp), [tag] "i" (scm_tc2_int)      \
 305                          : _CX, "memory", "cc"                          \
 306                          : slow_mul);                                   \
 307       NEXT;                                                             \
 308     }                                                                   \
 309   slow_mul:                                                             \
 310     do { } while (0)
 311
 312 #endif
 313
 314 #if SCM_GNUC_PREREQ (4, 5) && defined __arm__
 315
 316 # define ASM_ADD(x, y)                                                  \
 317     if (SCM_LIKELY (SCM_I_INUMP (x) && SCM_I_INUMP (y)))                \
 318       {                                                                 \
 319         asm volatile goto ("adds r0, %0, %1; bvs %l[slow_add]; "        \
 320                            "str r0, [%[vsp]]\n"                         \
 321                            : /* no outputs */                           \
 322                            : "r" (x), "r" (y - scm_tc2_int),            \
 323                              [vsp] "r" (sp)                             \
 324                            : "r0", "memory", "cc"                       \
 325                            : slow_add);                                 \
 326         NEXT;                                                           \
 327       }                                                                 \
 328   slow_add:                                                             \
 329     do { } while (0)
 330
 331 # define ASM_SUB(x, y)                                                  \
 332     if (SCM_LIKELY (SCM_I_INUMP (x) && SCM_I_INUMP (y)))                \
 333       {                                                                 \
 334         asm volatile goto ("subs r0, %0, %1; bvs %l[slow_sub]; "        \
 335                            "str r0, [%[vsp]]\n"                         \
 336                            : /* no outputs */                           \
 337                            : "r" (x), "r" (y - scm_tc2_int),            \
 338                              [vsp] "r" (sp)                             \
 339                            : "r0", "memory", "cc"                       \
 340                            : slow_sub);                                 \
 341         NEXT;                                                           \
 342       }                                                                 \
 343   slow_sub:                                                             \
 344     do { } while (0)
 345
 346 # if defined (__ARM_ARCH_3M__)  || defined (__ARM_ARCH_4__)             \
 347   || defined (__ARM_ARCH_4T__)  || defined (__ARM_ARCH_5__)             \
 348   || defined (__ARM_ARCH_5T__)  || defined (__ARM_ARCH_5E__)            \
 349   || defined (__ARM_ARCH_5TE__) || defined (__ARM_ARCH_5TEJ__)          \
 350   || defined (__ARM_ARCH_6__)   || defined (__ARM_ARCH_6J__)            \
 351   || defined (__ARM_ARCH_6K__)  || defined (__ARM_ARCH_6Z__)            \
 352   || defined (__ARM_ARCH_6ZK__) || defined (__ARM_ARCH_6T2__)           \
 353   || defined (__ARM_ARCH_6M__)  || defined (__ARM_ARCH_7__)             \
 354   || defined (__ARM_ARCH_7A__)  || defined (__ARM_ARCH_7R__)            \
 355   || defined (__ARM_ARCH_7M__)  || defined (__ARM_ARCH_7EM__)           \
 356   || defined (__ARM_ARCH_8A__)
 357
 358 /* The ARM architectures listed above support the SMULL instruction */
 359
 360 #  define ASM_MUL(x, y)                                                 \
 361     if (SCM_LIKELY (SCM_I_INUMP (x) && SCM_I_INUMP (y)))                \
 362       {                                                                 \
 363         scm_t_signed_bits rlo, rhi;                                     \
 364         asm ("smull %0, %1, %2, %3\n"                                   \
 365              : "=r" (rlo), "=r" (rhi)                                   \
 366              : "r" (SCM_UNPACK (x) - scm_tc2_int),                      \
 367                "r" (SCM_I_INUM (y)));                                   \
 368         if (SCM_LIKELY (SCM_SRS (rlo, 31) == rhi))                      \
 369           RETURN (SCM_PACK (rlo + scm_tc2_int));                        \
 370       }                                                                 \
 371     do { } while (0)
 372
 373 # endif
 374
 375 #endif
 376
 377 VM_DEFINE_FUNCTION (150, add, "add", 2)
 378 {
 379 #ifndef ASM_ADD
 380   FUNC2 (+, scm_sum);
 381 #else
 382   ARGS2 (x, y);
 383   ASM_ADD (x, y);
 384   SYNC_REGISTER ();
 385   RETURN (scm_sum (x, y));
 386 #endif
 387 }
 388
 389 VM_DEFINE_FUNCTION (151, add1, "add1", 1)
 390 {
 391   ARGS1 (x);
 392
 393   /* Check for overflow.  We must avoid overflow in the signed
 394      addition below, even if X is not an inum.  */
 395   if (SCM_LIKELY ((scm_t_signed_bits) SCM_UNPACK (x) <= INUM_MAX - INUM_STEP))
 396     {
 397       SCM result;
 398
 399       /* Add 1 to the integer without untagging.  */
 400       result = SCM_PACK ((scm_t_signed_bits) SCM_UNPACK (x) + INUM_STEP);
 401
 402       if (SCM_LIKELY (SCM_I_INUMP (result)))
 403         RETURN (result);
 404     }
 405
 406   SYNC_REGISTER ();
 407   RETURN (scm_sum (x, SCM_I_MAKINUM (1)));
 408 }
 409
 410 VM_DEFINE_FUNCTION (152, sub, "sub", 2)
 411 {
 412 #ifndef ASM_SUB
 413   FUNC2 (-, scm_difference);
 414 #else
 415   ARGS2 (x, y);
 416   ASM_SUB (x, y);
 417   SYNC_REGISTER ();
 418   RETURN (scm_difference (x, y));
 419 #endif
 420 }
 421
 422 VM_DEFINE_FUNCTION (153, sub1, "sub1", 1)
 423 {
 424   ARGS1 (x);
 425
 426   /* Check for overflow.  We must avoid overflow in the signed
 427      subtraction below, even if X is not an inum.  */
 428   if (SCM_LIKELY ((scm_t_signed_bits) SCM_UNPACK (x) >= INUM_MIN + INUM_STEP))
 429     {
 430       SCM result;
 431
 432       /* Substract 1 from the integer without untagging.  */
 433       result = SCM_PACK ((scm_t_signed_bits) SCM_UNPACK (x) - INUM_STEP);
 434
 435       if (SCM_LIKELY (SCM_I_INUMP (result)))
 436         RETURN (result);
 437     }
 438
 439   SYNC_REGISTER ();
 440   RETURN (scm_difference (x, SCM_I_MAKINUM (1)));
 441 }
 442
 443 VM_DEFINE_FUNCTION (154, mul, "mul", 2)
 444 {
 445   ARGS2 (x, y);
 446 #ifdef ASM_MUL
 447   ASM_MUL (x, y);
 448 #endif
 449   SYNC_REGISTER ();
 450   RETURN (scm_product (x, y));
 451 }
 452
 453 # undef ASM_ADD
 454 # undef ASM_SUB
 455 # undef ASM_MUL
 456
 457 VM_DEFINE_FUNCTION (155, div, "div", 2)
 458 {
 459   ARGS2 (x, y);
 460   SYNC_REGISTER ();
 461   RETURN (scm_divide (x, y));
 462 }
 463
 464 VM_DEFINE_FUNCTION (156, quo, "quo", 2)
 465 {
 466   ARGS2 (x, y);
 467   SYNC_REGISTER ();
 468   RETURN (scm_quotient (x, y));
 469 }
 470
 471 VM_DEFINE_FUNCTION (157, rem, "rem", 2)
 472 {
 473   ARGS2 (x, y);
 474   SYNC_REGISTER ();
 475   RETURN (scm_remainder (x, y));
 476 }
 477
 478 VM_DEFINE_FUNCTION (158, mod, "mod", 2)
 479 {
 480   ARGS2 (x, y);
 481   SYNC_REGISTER ();
 482   RETURN (scm_modulo (x, y));
 483 }
 484
 485 VM_DEFINE_FUNCTION (159, ash, "ash", 2)
 486 {
 487   ARGS2 (x, y);
 488   if (SCM_I_INUMP (x) && SCM_I_INUMP (y))
 489     {
 490       if (SCM_I_INUM (y) < 0)
 491         /* Right shift, will be a fixnum. */
 492         RETURN (SCM_I_MAKINUM
 493                 (SCM_SRS (SCM_I_INUM (x),
 494                           (-SCM_I_INUM (y) <= SCM_I_FIXNUM_BIT-1)
 495                           ? -SCM_I_INUM (y) : SCM_I_FIXNUM_BIT-1)));
 496       else
 497         /* Left shift. See comments in scm_ash. */
 498         {
 499           scm_t_signed_bits nn, bits_to_shift;
 500
 501           nn = SCM_I_INUM (x);
 502           bits_to_shift = SCM_I_INUM (y);
 503
 504           if (bits_to_shift < SCM_I_FIXNUM_BIT-1
 505               && ((scm_t_bits)
 506                   (SCM_SRS (nn, (SCM_I_FIXNUM_BIT-1 - bits_to_shift)) + 1)
 507                   <= 1))
 508             RETURN (SCM_I_MAKINUM (nn << bits_to_shift));
 509           /* fall through */
 510         }
 511       /* fall through */
 512     }
 513   SYNC_REGISTER ();
 514   RETURN (scm_ash (x, y));
 515 }
 516
 517 VM_DEFINE_FUNCTION (160, logand, "logand", 2)
 518 {
 519   ARGS2 (x, y);
 520   if (SCM_I_INUMP (x) && SCM_I_INUMP (y))
 521     /* Compute bitwise AND without untagging */
 522     RETURN (SCM_PACK (SCM_UNPACK (x) & SCM_UNPACK (y)));
 523   SYNC_REGISTER ();
 524   RETURN (scm_logand (x, y));
 525 }
 526
 527 VM_DEFINE_FUNCTION (161, logior, "logior", 2)
 528 {
 529   ARGS2 (x, y);
 530   if (SCM_I_INUMP (x) && SCM_I_INUMP (y))
 531     /* Compute bitwise OR without untagging */
 532     RETURN (SCM_PACK (SCM_UNPACK (x) | SCM_UNPACK (y)));
 533   SYNC_REGISTER ();
 534   RETURN (scm_logior (x, y));
 535 }
 536
 537 VM_DEFINE_FUNCTION (162, logxor, "logxor", 2)
 538 {
 539   ARGS2 (x, y);
 540   if (SCM_I_INUMP (x) && SCM_I_INUMP (y))
 541     RETURN (SCM_I_MAKINUM (SCM_I_INUM (x) ^ SCM_I_INUM (y)));
 542   SYNC_REGISTER ();
 543   RETURN (scm_logxor (x, y));
 544 }
 545
 546 \f
 547 /*
 548  * Vectors and arrays
 549  */
 550
 551 VM_DEFINE_FUNCTION (163, vector_ref, "vector-ref", 2)
 552 {
 553   scm_t_signed_bits i = 0;
 554   ARGS2 (vect, idx);
 555   if (SCM_LIKELY (SCM_I_IS_NONWEAK_VECTOR (vect)
 556                   && SCM_I_INUMP (idx)
 557                   && ((i = SCM_I_INUM (idx)) >= 0)
 558                   && i < SCM_I_VECTOR_LENGTH (vect)))
 559     RETURN (SCM_I_VECTOR_ELTS (vect)[i]);
 560   else
 561     {
 562       SYNC_REGISTER ();
 563       RETURN (scm_vector_ref (vect, idx));
 564     }
 565 }
 566
 567 VM_DEFINE_INSTRUCTION (164, vector_set, "vector-set", 0, 3, 0)
 568 {
 569   scm_t_signed_bits i = 0;
 570   SCM vect, idx, val;
 571   POP3 (val, idx, vect);
 572   if (SCM_LIKELY (SCM_I_IS_NONWEAK_VECTOR (vect)
 573                   && SCM_I_INUMP (idx)
 574                   && ((i = SCM_I_INUM (idx)) >= 0)
 575                   && i < SCM_I_VECTOR_LENGTH (vect)))
 576     SCM_I_VECTOR_WELTS (vect)[i] = val;
 577   else
 578     {
 579       SYNC_REGISTER ();
 580       scm_vector_set_x (vect, idx, val);
 581     }
 582   NEXT;
 583 }
 584
 585 VM_DEFINE_INSTRUCTION (165, make_array, "make-array", 3, -1, 1)
 586 {
 587   scm_t_uint32 len;
 588   SCM shape, ret;
 589
 590   len = FETCH ();
 591   len = (len << 8) + FETCH ();
 592   len = (len << 8) + FETCH ();
 593   POP (shape);
 594   SYNC_REGISTER ();
 595   PRE_CHECK_UNDERFLOW (len);
 596   ret = scm_from_contiguous_array (shape, sp - len + 1, len);
 597   DROPN (len);
 598   PUSH (ret);
 599   NEXT;
 600 }
 601
 602 \f
 603 /*
 604  * Structs
 605  */
 606 #define VM_VALIDATE_STRUCT(obj, proc)           \
 607   VM_ASSERT (SCM_STRUCTP (obj), vm_error_not_a_struct (proc, obj))
 608
 609 VM_DEFINE_FUNCTION (166, struct_p, "struct?", 1)
 610 {
 611   ARGS1 (obj);
 612   RETURN (scm_from_bool (SCM_STRUCTP (obj)));
 613 }
 614
 615 VM_DEFINE_FUNCTION (167, struct_vtable, "struct-vtable", 1)
 616 {
 617   ARGS1 (obj);
 618   VM_VALIDATE_STRUCT (obj, "struct_vtable");
 619   RETURN (SCM_STRUCT_VTABLE (obj));
 620 }
 621
 622 VM_DEFINE_INSTRUCTION (168, make_struct, "make-struct", 2, -1, 1)
 623 {
 624   unsigned h = FETCH ();
 625   unsigned l = FETCH ();
 626   scm_t_bits n = ((h << 8U) + l);
 627   SCM vtable = sp[-(n - 1)];
 628   const SCM *inits = sp - n + 2;
 629   SCM ret;
 630
 631   SYNC_REGISTER ();
 632
 633   if (SCM_LIKELY (SCM_STRUCTP (vtable)
 634                   && SCM_VTABLE_FLAG_IS_SET (vtable, SCM_VTABLE_FLAG_SIMPLE)
 635                   && (SCM_STRUCT_DATA_REF (vtable, scm_vtable_index_size) + 1
 636                       == n)
 637                   && !SCM_VTABLE_INSTANCE_FINALIZER (vtable)))
 638     {
 639       /* Verily, we are making a simple struct with the right number of
 640          initializers, and no finalizer. */
 641       ret = scm_words ((scm_t_bits)SCM_STRUCT_DATA (vtable) | scm_tc3_struct,
 642                        n + 1);
 643       SCM_SET_CELL_WORD_1 (ret, (scm_t_bits)SCM_CELL_OBJECT_LOC (ret, 2));
 644       memcpy (SCM_STRUCT_DATA (ret), inits, (n - 1) * sizeof (SCM));
 645     }
 646   else
 647     ret = scm_c_make_structv (vtable, 0, n - 1, (scm_t_bits *) inits);
 648
 649   DROPN (n);
 650   PUSH (ret);
 651
 652   NEXT;
 653 }
 654
 655 VM_DEFINE_FUNCTION (169, struct_ref, "struct-ref", 2)
 656 {
 657   ARGS2 (obj, pos);
 658
 659   if (SCM_LIKELY (SCM_STRUCTP (obj)
 660                   && SCM_STRUCT_VTABLE_FLAG_IS_SET (obj,
 661                                                     SCM_VTABLE_FLAG_SIMPLE)
 662                   && SCM_I_INUMP (pos)))
 663     {
 664       SCM vtable;
 665       scm_t_bits index, len;
 666
 667       /* True, an inum is a signed value, but cast to unsigned it will
 668          certainly be more than the length, so we will fall through if
 669          index is negative. */
 670       index = SCM_I_INUM (pos);
 671       vtable = SCM_STRUCT_VTABLE (obj);
 672       len = SCM_STRUCT_DATA_REF (vtable, scm_vtable_index_size);
 673
 674       if (SCM_LIKELY (index < len))
 675         {
 676           scm_t_bits *data = SCM_STRUCT_DATA (obj);
 677           RETURN (SCM_PACK (data[index]));
 678         }
 679     }
 680
 681   SYNC_REGISTER ();
 682   RETURN (scm_struct_ref (obj, pos));
 683 }
 684
 685 VM_DEFINE_FUNCTION (170, struct_set, "struct-set", 3)
 686 {
 687   ARGS3 (obj, pos, val);
 688
 689   if (SCM_LIKELY (SCM_STRUCTP (obj)
 690                   && SCM_STRUCT_VTABLE_FLAG_IS_SET (obj,
 691                                                     SCM_VTABLE_FLAG_SIMPLE)
 692                   && SCM_STRUCT_VTABLE_FLAG_IS_SET (obj,
 693                                                     SCM_VTABLE_FLAG_SIMPLE_RW)
 694                   && SCM_I_INUMP (pos)))
 695     {
 696       SCM vtable;
 697       scm_t_bits index, len;
 698
 699       /* See above regarding index being >= 0. */
 700       index = SCM_I_INUM (pos);
 701       vtable = SCM_STRUCT_VTABLE (obj);
 702       len = SCM_STRUCT_DATA_REF (vtable, scm_vtable_index_size);
 703       if (SCM_LIKELY (index < len))
 704         {
 705           scm_t_bits *data = SCM_STRUCT_DATA (obj);
 706           data[index] = SCM_UNPACK (val);
 707           RETURN (val);
 708         }
 709     }
 710
 711   SYNC_REGISTER ();
 712   RETURN (scm_struct_set_x (obj, pos, val));
 713 }
 714
 715 \f
 716 /*
 717  * GOOPS support
 718  */
 719 VM_DEFINE_FUNCTION (171, class_of, "class-of", 1)
 720 {
 721   ARGS1 (obj);
 722   if (SCM_INSTANCEP (obj))
 723     RETURN (SCM_CLASS_OF (obj));
 724   SYNC_REGISTER ();
 725   RETURN (scm_class_of (obj));
 726 }
 727
 728 /* FIXME: No checking whatsoever. */
 729 VM_DEFINE_FUNCTION (172, slot_ref, "slot-ref", 2)
 730 {
 731   size_t slot;
 732   ARGS2 (instance, idx);
 733   slot = SCM_I_INUM (idx);
 734   RETURN (SCM_PACK (SCM_STRUCT_DATA (instance) [slot]));
 735 }
 736
 737 /* FIXME: No checking whatsoever. */
 738 VM_DEFINE_INSTRUCTION (173, slot_set, "slot-set", 0, 3, 0)
 739 {
 740   SCM instance, idx, val;
 741   size_t slot;
 742   POP3 (val, idx, instance);
 743   slot = SCM_I_INUM (idx);
 744   SCM_STRUCT_DATA (instance) [slot] = SCM_UNPACK (val);
 745   NEXT;
 746 }
 747
 748 \f
 749 /*
 750  * Bytevectors
 751  */
 752 #define VM_VALIDATE_BYTEVECTOR(x, proc)         \
 753   VM_ASSERT (SCM_BYTEVECTOR_P (x), vm_error_not_a_bytevector (proc, x))
 754
 755 #define BV_REF_WITH_ENDIANNESS(stem, fn_stem)                           \
 756 {                                                                       \
 757   SCM endianness;                                                       \
 758   POP (endianness);                                                     \
 759   if (scm_is_eq (endianness, scm_i_native_endianness))                  \
 760     goto VM_LABEL (bv_##stem##_native_ref);                             \
 761   {                                                                     \
 762     ARGS2 (bv, idx);                                                    \
 763     SYNC_REGISTER ();                                                   \
 764     RETURN (scm_bytevector_##fn_stem##_ref (bv, idx, endianness));      \
 765   }                                                                     \
 766 }
 767
 768 /* Return true (non-zero) if PTR has suitable alignment for TYPE.  */
 769 #define ALIGNED_P(ptr, type)                    \
 770   ((scm_t_uintptr) (ptr) % alignof_type (type) == 0)
 771
 772 VM_DEFINE_FUNCTION (174, bv_u16_ref, "bv-u16-ref", 3)
 773 BV_REF_WITH_ENDIANNESS (u16, u16)
 774 VM_DEFINE_FUNCTION (175, bv_s16_ref, "bv-s16-ref", 3)
 775 BV_REF_WITH_ENDIANNESS (s16, s16)
 776 VM_DEFINE_FUNCTION (176, bv_u32_ref, "bv-u32-ref", 3)
 777 BV_REF_WITH_ENDIANNESS (u32, u32)
 778 VM_DEFINE_FUNCTION (177, bv_s32_ref, "bv-s32-ref", 3)
 779 BV_REF_WITH_ENDIANNESS (s32, s32)
 780 VM_DEFINE_FUNCTION (178, bv_u64_ref, "bv-u64-ref", 3)
 781 BV_REF_WITH_ENDIANNESS (u64, u64)
 782 VM_DEFINE_FUNCTION (179, bv_s64_ref, "bv-s64-ref", 3)
 783 BV_REF_WITH_ENDIANNESS (s64, s64)
 784 VM_DEFINE_FUNCTION (180, bv_f32_ref, "bv-f32-ref", 3)
 785 BV_REF_WITH_ENDIANNESS (f32, ieee_single)
 786 VM_DEFINE_FUNCTION (181, bv_f64_ref, "bv-f64-ref", 3)
 787 BV_REF_WITH_ENDIANNESS (f64, ieee_double)
 788
 789 #undef BV_REF_WITH_ENDIANNESS
 790
 791 #define BV_FIXABLE_INT_REF(stem, fn_stem, type, size)                   \
 792 {                                                                       \
 793   scm_t_signed_bits i;                                                  \
 794   const scm_t_ ## type *int_ptr;                                        \
 795   ARGS2 (bv, idx);                                                      \
 796                                                                         \
 797   VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-ref");                      \
 798   i = SCM_I_INUM (idx);                                                 \
 799   int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i);      \
 800                                                                         \
 801   if (SCM_LIKELY (SCM_I_INUMP (idx)                                     \
 802                   && (i >= 0)                                           \
 803                   && (i + size <= SCM_BYTEVECTOR_LENGTH (bv))           \
 804                   && (ALIGNED_P (int_ptr, scm_t_ ## type))))            \
 805     RETURN (SCM_I_MAKINUM (*int_ptr));                                  \
 806   else                                                                  \
 807     {                                                                   \
 808       SYNC_REGISTER ();                                                 \
 809       RETURN (scm_bytevector_ ## fn_stem ## _ref (bv, idx));            \
 810     }                                                                   \
 811 }
 812
 813 #define BV_INT_REF(stem, type, size)                                    \
 814 {                                                                       \
 815   scm_t_signed_bits i;                                                  \
 816   const scm_t_ ## type *int_ptr;                                        \
 817   ARGS2 (bv, idx);                                                      \
 818                                                                         \
 819   VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-ref");                      \
 820   i = SCM_I_INUM (idx);                                                 \
 821   int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i);      \
 822                                                                         \
 823   if (SCM_LIKELY (SCM_I_INUMP (idx)                                     \
 824                   && (i >= 0)                                           \
 825                   && (i + size <= SCM_BYTEVECTOR_LENGTH (bv))           \
 826                   && (ALIGNED_P (int_ptr, scm_t_ ## type))))            \
 827     {                                                                   \
 828       scm_t_ ## type x = *int_ptr;                                      \
 829       if (SCM_FIXABLE (x))                                              \
 830         RETURN (SCM_I_MAKINUM (x));                                     \
 831       else                                                              \
 832         {                                                               \
 833           SYNC_REGISTER ();                                             \
 834           RETURN (scm_from_ ## type (x));                               \
 835         }                                                               \
 836     }                                                                   \
 837   else                                                                  \
 838     {                                                                   \
 839       SYNC_REGISTER ();                                                 \
 840       RETURN (scm_bytevector_ ## stem ## _native_ref (bv, idx));        \
 841     }                                                                   \
 842 }
 843
 844 #define BV_FLOAT_REF(stem, fn_stem, type, size)                         \
 845 {                                                                       \
 846   scm_t_signed_bits i;                                                  \
 847   const type *float_ptr;                                                \
 848   ARGS2 (bv, idx);                                                      \
 849                                                                         \
 850   VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-ref");                      \
 851   i = SCM_I_INUM (idx);                                                 \
 852   float_ptr = (type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i);              \
 853                                                                         \
 854   SYNC_REGISTER ();                                                     \
 855   if (SCM_LIKELY (SCM_I_INUMP (idx)                                     \
 856                   && (i >= 0)                                           \
 857                   && (i + size <= SCM_BYTEVECTOR_LENGTH (bv))           \
 858                   && (ALIGNED_P (float_ptr, type))))                    \
 859     RETURN (scm_from_double (*float_ptr));                              \
 860   else                                                                  \
 861     RETURN (scm_bytevector_ ## fn_stem ## _native_ref (bv, idx));       \
 862 }
 863
 864 VM_DEFINE_FUNCTION (182, bv_u8_ref, "bv-u8-ref", 2)
 865 BV_FIXABLE_INT_REF (u8, u8, uint8, 1)
 866 VM_DEFINE_FUNCTION (183, bv_s8_ref, "bv-s8-ref", 2)
 867 BV_FIXABLE_INT_REF (s8, s8, int8, 1)
 868 VM_DEFINE_FUNCTION (184, bv_u16_native_ref, "bv-u16-native-ref", 2)
 869 BV_FIXABLE_INT_REF (u16, u16_native, uint16, 2)
 870 VM_DEFINE_FUNCTION (185, bv_s16_native_ref, "bv-s16-native-ref", 2)
 871 BV_FIXABLE_INT_REF (s16, s16_native, int16, 2)
 872 VM_DEFINE_FUNCTION (186, bv_u32_native_ref, "bv-u32-native-ref", 2)
 873 #if SIZEOF_VOID_P > 4
 874 BV_FIXABLE_INT_REF (u32, u32_native, uint32, 4)
 875 #else
 876 BV_INT_REF (u32, uint32, 4)
 877 #endif
 878 VM_DEFINE_FUNCTION (187, bv_s32_native_ref, "bv-s32-native-ref", 2)
 879 #if SIZEOF_VOID_P > 4
 880 BV_FIXABLE_INT_REF (s32, s32_native, int32, 4)
 881 #else
 882 BV_INT_REF (s32, int32, 4)
 883 #endif
 884 VM_DEFINE_FUNCTION (188, bv_u64_native_ref, "bv-u64-native-ref", 2)
 885 BV_INT_REF (u64, uint64, 8)
 886 VM_DEFINE_FUNCTION (189, bv_s64_native_ref, "bv-s64-native-ref", 2)
 887 BV_INT_REF (s64, int64, 8)
 888 VM_DEFINE_FUNCTION (190, bv_f32_native_ref, "bv-f32-native-ref", 2)
 889 BV_FLOAT_REF (f32, ieee_single, float, 4)
 890 VM_DEFINE_FUNCTION (191, bv_f64_native_ref, "bv-f64-native-ref", 2)
 891 BV_FLOAT_REF (f64, ieee_double, double, 8)
 892
 893 #undef BV_FIXABLE_INT_REF
 894 #undef BV_INT_REF
 895 #undef BV_FLOAT_REF
 896
 897
 898
 899 #define BV_SET_WITH_ENDIANNESS(stem, fn_stem)                           \
 900 {                                                                       \
 901   SCM endianness;                                                       \
 902   POP (endianness);                                                     \
 903   if (scm_is_eq (endianness, scm_i_native_endianness))                  \
 904     goto VM_LABEL (bv_##stem##_native_set);                             \
 905   {                                                                     \
 906     SCM bv, idx, val; POP3 (val, idx, bv);                              \
 907     SYNC_REGISTER ();                                                   \
 908     scm_bytevector_##fn_stem##_set_x (bv, idx, val, endianness);        \
 909     NEXT;                                                               \
 910   }                                                                     \
 911 }
 912
 913 VM_DEFINE_INSTRUCTION (192, bv_u16_set, "bv-u16-set", 0, 4, 0)
 914 BV_SET_WITH_ENDIANNESS (u16, u16)
 915 VM_DEFINE_INSTRUCTION (193, bv_s16_set, "bv-s16-set", 0, 4, 0)
 916 BV_SET_WITH_ENDIANNESS (s16, s16)
 917 VM_DEFINE_INSTRUCTION (194, bv_u32_set, "bv-u32-set", 0, 4, 0)
 918 BV_SET_WITH_ENDIANNESS (u32, u32)
 919 VM_DEFINE_INSTRUCTION (195, bv_s32_set, "bv-s32-set", 0, 4, 0)
 920 BV_SET_WITH_ENDIANNESS (s32, s32)
 921 VM_DEFINE_INSTRUCTION (196, bv_u64_set, "bv-u64-set", 0, 4, 0)
 922 BV_SET_WITH_ENDIANNESS (u64, u64)
 923 VM_DEFINE_INSTRUCTION (197, bv_s64_set, "bv-s64-set", 0, 4, 0)
 924 BV_SET_WITH_ENDIANNESS (s64, s64)
 925 VM_DEFINE_INSTRUCTION (198, bv_f32_set, "bv-f32-set", 0, 4, 0)
 926 BV_SET_WITH_ENDIANNESS (f32, ieee_single)
 927 VM_DEFINE_INSTRUCTION (199, bv_f64_set, "bv-f64-set", 0, 4, 0)
 928 BV_SET_WITH_ENDIANNESS (f64, ieee_double)
 929
 930 #undef BV_SET_WITH_ENDIANNESS
 931
 932 #define BV_FIXABLE_INT_SET(stem, fn_stem, type, min, max, size)         \
 933 {                                                                       \
 934   scm_t_signed_bits i, j = 0;                                           \
 935   SCM bv, idx, val;                                                     \
 936   scm_t_ ## type *int_ptr;                                              \
 937                                                                         \
 938   POP3 (val, idx, bv);                                                  \
 939   VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-set");                      \
 940   i = SCM_I_INUM (idx);                                                 \
 941   int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i);      \
 942                                                                         \
 943   if (SCM_LIKELY (SCM_I_INUMP (idx)                                     \
 944                   && (i >= 0)                                           \
 945                   && (i + size <= SCM_BYTEVECTOR_LENGTH (bv))           \
 946                   && (ALIGNED_P (int_ptr, scm_t_ ## type))              \
 947                   && (SCM_I_INUMP (val))                                \
 948                   && ((j = SCM_I_INUM (val)) >= min)                    \
 949                   && (j <= max)))                                       \
 950     *int_ptr = (scm_t_ ## type) j;                                      \
 951   else                                                                  \
 952     {                                                                   \
 953       SYNC_REGISTER ();                                                 \
 954       scm_bytevector_ ## fn_stem ## _set_x (bv, idx, val);              \
 955     }                                                                   \
 956   NEXT;                                                                 \
 957 }
 958
 959 #define BV_INT_SET(stem, type, size)                                    \
 960 {                                                                       \
 961   scm_t_signed_bits i = 0;                                              \
 962   SCM bv, idx, val;                                                     \
 963   scm_t_ ## type *int_ptr;                                              \
 964                                                                         \
 965   POP3 (val, idx, bv);                                                  \
 966   VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-set");                      \
 967   i = SCM_I_INUM (idx);                                                 \
 968   int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i);      \
 969                                                                         \
 970   if (SCM_LIKELY (SCM_I_INUMP (idx)                                     \
 971                   && (i >= 0)                                           \
 972                   && (i + size <= SCM_BYTEVECTOR_LENGTH (bv))           \
 973                   && (ALIGNED_P (int_ptr, scm_t_ ## type))))            \
 974     *int_ptr = scm_to_ ## type (val);                                   \
 975   else                                                                  \
 976     {                                                                   \
 977       SYNC_REGISTER ();                                                 \
 978       scm_bytevector_ ## stem ## _native_set_x (bv, idx, val);          \
 979     }                                                                   \
 980   NEXT;                                                                 \
 981 }
 982
 983 #define BV_FLOAT_SET(stem, fn_stem, type, size)                         \
 984 {                                                                       \
 985   scm_t_signed_bits i = 0;                                              \
 986   SCM bv, idx, val;                                                     \
 987   type *float_ptr;                                                      \
 988                                                                         \
 989   POP3 (val, idx, bv);                                                  \
 990   VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-set");                      \
 991   i = SCM_I_INUM (idx);                                                 \
 992   float_ptr = (type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i);              \
 993                                                                         \
 994   if (SCM_LIKELY (SCM_I_INUMP (idx)                                     \
 995                   && (i >= 0)                                           \
 996                   && (i + size <= SCM_BYTEVECTOR_LENGTH (bv))           \
 997                   && (ALIGNED_P (float_ptr, type))))                    \
 998     *float_ptr = scm_to_double (val);                                   \
 999   else                                                                  \
1000     {                                                                   \
1001       SYNC_REGISTER ();                                                 \
1002       scm_bytevector_ ## fn_stem ## _native_set_x (bv, idx, val);       \
1003     }                                                                   \
1004   NEXT;                                                                 \
1005 }
1006
1007 VM_DEFINE_INSTRUCTION (200, bv_u8_set, "bv-u8-set", 0, 3, 0)
1008 BV_FIXABLE_INT_SET (u8, u8, uint8, 0, SCM_T_UINT8_MAX, 1)
1009 VM_DEFINE_INSTRUCTION (201, bv_s8_set, "bv-s8-set", 0, 3, 0)
1010 BV_FIXABLE_INT_SET (s8, s8, int8, SCM_T_INT8_MIN, SCM_T_INT8_MAX, 1)
1011 VM_DEFINE_INSTRUCTION (202, bv_u16_native_set, "bv-u16-native-set", 0, 3, 0)
1012 BV_FIXABLE_INT_SET (u16, u16_native, uint16, 0, SCM_T_UINT16_MAX, 2)
1013 VM_DEFINE_INSTRUCTION (203, bv_s16_native_set, "bv-s16-native-set", 0, 3, 0)
1014 BV_FIXABLE_INT_SET (s16, s16_native, int16, SCM_T_INT16_MIN, SCM_T_INT16_MAX, 2)
1015 VM_DEFINE_INSTRUCTION (204, bv_u32_native_set, "bv-u32-native-set", 0, 3, 0)
1016 #if SIZEOF_VOID_P > 4
1017 BV_FIXABLE_INT_SET (u32, u32_native, uint32, 0, SCM_T_UINT32_MAX, 4)
1018 #else
1019 BV_INT_SET (u32, uint32, 4)
1020 #endif
1021 VM_DEFINE_INSTRUCTION (205, bv_s32_native_set, "bv-s32-native-set", 0, 3, 0)
1022 #if SIZEOF_VOID_P > 4
1023 BV_FIXABLE_INT_SET (s32, s32_native, int32, SCM_T_INT32_MIN, SCM_T_INT32_MAX, 4)
1024 #else
1025 BV_INT_SET (s32, int32, 4)
1026 #endif
1027 VM_DEFINE_INSTRUCTION (206, bv_u64_native_set, "bv-u64-native-set", 0, 3, 0)
1028 BV_INT_SET (u64, uint64, 8)
1029 VM_DEFINE_INSTRUCTION (207, bv_s64_native_set, "bv-s64-native-set", 0, 3, 0)
1030 BV_INT_SET (s64, int64, 8)
1031 VM_DEFINE_INSTRUCTION (208, bv_f32_native_set, "bv-f32-native-set", 0, 3, 0)
1032 BV_FLOAT_SET (f32, ieee_single, float, 4)
1033 VM_DEFINE_INSTRUCTION (209, bv_f64_native_set, "bv-f64-native-set", 0, 3, 0)
1034 BV_FLOAT_SET (f64, ieee_double, double, 8)
1035
1036 #undef BV_FIXABLE_INT_SET
1037 #undef BV_INT_SET
1038 #undef BV_FLOAT_SET
1039
1040 /*
1041 (defun renumber-ops ()
1042   "start from top of buffer and renumber 'VM_DEFINE_FOO (\n' sequences"
1043   (interactive "")
1044   (save-excursion
1045     (let ((counter 127)) (goto-char (point-min))
1046       (while (re-search-forward "^VM_DEFINE_[^ ]+ (\\([^,]+\\)," (point-max) t)
1047         (replace-match
1048          (number-to-string (setq counter (1+ counter)))
1049           t t nil 1)))))
1050 */
1051
1052 /*
1053   Local Variables:
1054   c-file-style: "gnu"
1055   End:
1056 */