Skip to content
This repository
tree: 15cf8fdea4
Fetching contributors…

Cannot retrieve contributors at this time

file 706 lines (572 sloc) 19.469 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706
/*
** dump.c - mruby binary dumper (Rite binary format)
**
** See Copyright Notice in mruby.h
*/

#include <string.h>
#include "mruby/dump.h"

#include "mruby/string.h"
#ifdef ENABLE_REGEXP
#include "re.h"
#endif
#include "mruby/irep.h"

static const unsigned char def_rite_binary_header[] =
  RITE_FILE_IDENFIFIER
  RITE_FILE_FORMAT_VER
  RITE_VM_VER
  RITE_COMPILER_TYPE
  RITE_COMPILER_VER
  "0000" //Binary data size
  "00" //Number of ireps
  "00" //Start index
  RITE_RESERVED
;

static const unsigned char def_rite_file_header[] =
  RITE_FILE_IDENFIFIER
  RITE_FILE_FORMAT_VER
  RITE_VM_VER
  RITE_COMPILER_TYPE
  RITE_COMPILER_VER
  "00000000" //Binary data size
  "0000" //Number of ireps
  "0000" //Start index
  RITE_RESERVED
  "0000" //CRC
;

const char bin2hex[] = {
  '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
};

#define DUMP_SIZE(size, type) ((type == DUMP_TYPE_BIN) ? size : size * RITE_FILE_HEX_SIZE)

enum {
  DUMP_IREP_HEADER = 0,
  DUMP_ISEQ_BLOCK,
  DUMP_POOL_BLOCK,
  DUMP_SYMS_BLOCK,
  DUMP_SECTION_NUM,
};

uint16_t calc_crc_16_ccitt(unsigned char*,int);
static inline int uint8_dump(uint8_t,char*,int);
static inline int uint16_dump(uint16_t,char*,int);
static inline int uint32_dump(uint32_t,char*,int);
static char* str_dump(char*,char*,uint16_t,int);
static uint16_t str_dump_len(char*,uint16_t, int);
static uint32_t get_irep_header_size(mrb_state*,mrb_irep*,int);
static uint32_t get_iseq_block_size(mrb_state*,mrb_irep*,int);
static uint32_t get_pool_block_size(mrb_state*,mrb_irep*,int);
static uint32_t get_syms_block_size(mrb_state*,mrb_irep*,int);
static uint32_t get_irep_record_size(mrb_state*,int,int);
static int write_irep_header(mrb_state*,mrb_irep*,char*,int);
static int write_iseq_block(mrb_state*,mrb_irep*,char*,int);
static int write_pool_block(mrb_state*,mrb_irep*,char*,int);
static int write_syms_block(mrb_state*,mrb_irep*,char*,int);
static int calc_crc_section(mrb_state*,mrb_irep*,uint16_t*,int);
static int write_rite_header(mrb_state*,int,char*,uint32_t);
static int dump_rite_header(mrb_state*,int,FILE*,uint32_t);
static int write_irep_record(mrb_state*,int,char*,uint32_t*,int);
static int dump_irep_record(mrb_state*,int,FILE*,uint32_t*);
static int mrb_write_irep(mrb_state*,int,char*);


static inline int
uint8_dump(unsigned char bin, char *hex, int type)
{
  if (type == DUMP_TYPE_BIN) {
    *hex = bin;
  } else {
    *hex++ = bin2hex[(bin >> 4) & 0x0f];
    *hex = bin2hex[bin & 0x0f];
  }
  return DUMP_SIZE(sizeof(char), type);
}

static inline int
uint16_dump(uint16_t bin, char *hex, int type)
{
  if (type == DUMP_TYPE_BIN) {
    return (uint16_to_bin(bin, hex));
  } else {
    *hex++ = bin2hex[(bin >> 12)& 0x0f];
    *hex++ = bin2hex[(bin >> 8) & 0x0f];
    *hex++ = bin2hex[(bin >> 4) & 0x0f];
    *hex = bin2hex[bin & 0x0f];
    return DUMP_SIZE(MRB_DUMP_SIZE_OF_SHORT, type);
  }
}

static inline int
uint32_dump(uint32_t bin, char *hex, int type)
{
  if (type == DUMP_TYPE_BIN) {
    return (uint32_to_bin(bin, hex));
  } else {
    *hex++ = bin2hex[(bin >> 28) & 0x0f];
    *hex++ = bin2hex[(bin >> 24) & 0x0f];
    *hex++ = bin2hex[(bin >> 20) & 0x0f];
    *hex++ = bin2hex[(bin >> 16) & 0x0f];
    *hex++ = bin2hex[(bin >> 12) & 0x0f];
    *hex++ = bin2hex[(bin >> 8) & 0x0f];
    *hex++ = bin2hex[(bin >> 4) & 0x0f];
    *hex = bin2hex[bin & 0x0f];
    return DUMP_SIZE(MRB_DUMP_SIZE_OF_LONG, type);
  }
}

static char*
str_dump(char *str, char *hex, uint16_t len, int type)
{
  if (type == DUMP_TYPE_BIN)
    memcpy(hex, str, len);
  else {
    char *src, *dst;

    for (src = str, dst = hex; len > 0; src++, dst++, len--) {
      switch (*src) {
      case 0x07:/* BEL */ *dst++ = '\\'; *dst = 'a'; break;
      case 0x08:/* BS */ *dst++ = '\\'; *dst = 'b'; break;
      case 0x09:/* HT */ *dst++ = '\\'; *dst = 't'; break;
      case 0x0A:/* LF */ *dst++ = '\\'; *dst = 'n'; break;
      case 0x0B:/* VT */ *dst++ = '\\'; *dst = 'v'; break;
      case 0x0C:/* FF */ *dst++ = '\\'; *dst = 'f'; break;
      case 0x0D:/* CR */ *dst++ = '\\'; *dst = 'r'; break;
      case 0x22:/* " */ /* fall through */
      case 0x27:/* ' */ /* fall through */
  // case 0x3F:/* ? */ /* fall through */
      case 0x5C:/* \ */ /* fall through */
      default: *dst = *src; break;
      }
    }
  }

  return hex;
}

static uint16_t
str_dump_len(char *str, uint16_t len, int type)
{
  uint16_t dump_len = 0;

  if (type == DUMP_TYPE_BIN)
    dump_len = len;
  else {
    char *src;

    for (src = str; len > 0; src++, len--) {
      switch (*src) {
      case 0x07:/* BEL */ /* fall through */
      case 0x08:/* BS */ /* fall through */
      case 0x09:/* HT */ /* fall through */
      case 0x0A:/* LF */ /* fall through */
      case 0x0B:/* VT */ /* fall through */
      case 0x0C:/* FF */ /* fall through */
      case 0x0D:/* CR */ /* fall through */
        dump_len += 2;
        break;

      case 0x22:/* " */ /* fall through */
      case 0x27:/* ' */ /* fall through */
  // case 0x3F:/* ? */ /* fall through */
      case 0x5C:/* \ */ /* fall through */
      default:
        dump_len++; break;
      }
    }
  }

  return dump_len;
}

static uint32_t
get_irep_header_size(mrb_state *mrb, mrb_irep *irep, int type)
{
  uint32_t size = 0;

  size += sizeof(char) * 2;
  size += DUMP_SIZE(MRB_DUMP_SIZE_OF_SHORT, type) * 4;

  return size;
}

static uint32_t
get_iseq_block_size(mrb_state *mrb, mrb_irep *irep, int type)
{
  uint32_t size = 0;

  size += MRB_DUMP_SIZE_OF_LONG; /* ilen */
  size += irep->ilen * MRB_DUMP_SIZE_OF_LONG; /* iseq(n) */
  size += MRB_DUMP_SIZE_OF_SHORT; /* crc */

  return DUMP_SIZE(size, type);
}

static uint32_t
get_pool_block_size(mrb_state *mrb, mrb_irep *irep, int type)
{
  uint32_t size = 0;
  int pool_no;
  mrb_value str;
  char buf[32];

  size += MRB_DUMP_SIZE_OF_LONG; /* plen */
  size += irep->plen * sizeof(char); /* tt(n) */
  size += irep->plen * MRB_DUMP_SIZE_OF_SHORT; /* len(n) */
  size += MRB_DUMP_SIZE_OF_SHORT; /* crc */
  size = DUMP_SIZE(size, type);

  for (pool_no = 0; pool_no < irep->plen; pool_no++) {
    uint16_t nlen =0;
    int len;

    switch (mrb_type(irep->pool[pool_no])) {
    case MRB_TT_FIXNUM:
      len = sprintf( buf, "%d", mrb_fixnum(irep->pool[pool_no]));
      size += (uint32_t)len;
      break;
    case MRB_TT_FLOAT:
      len = sprintf( buf, "%.16e", mrb_float(irep->pool[pool_no]));
      size += (uint32_t)len;
      break;
    case MRB_TT_STRING:
      str = mrb_string_value( mrb, &irep->pool[pool_no]);
      nlen = str_dump_len(RSTRING_PTR(str), RSTRING_LEN(str), type);
      size += nlen;
      break;
#ifdef ENABLE_REGEXP
    case MRB_TT_REGEX:
      str = mrb_reg_to_s(mrb, irep->pool[pool_no]);
      nlen = str_dump_len(RSTRING_PTR(str), RSTRING_LEN(str), type);
      size += nlen;
      break;
#endif
    default:
      break;
    }
  }

  return size;
}

static uint32_t
get_syms_block_size(mrb_state *mrb, mrb_irep *irep, int type)
{
  uint32_t size = 0;
  int sym_no;

  size += MRB_DUMP_SIZE_OF_LONG; /* slen */
  size += MRB_DUMP_SIZE_OF_SHORT; /* crc */
  size = DUMP_SIZE(size, type);

  for (sym_no = 0; sym_no < irep->slen; sym_no++) {
    const char * name;
    uint16_t nlen =0;

    size += DUMP_SIZE(MRB_DUMP_SIZE_OF_SHORT, type); /* snl(n) */
    if (irep->syms[sym_no] != 0) {
      int len;

      name = mrb_sym2name_len(mrb, irep->syms[sym_no], &len);
      nlen = str_dump_len((char*)name, len, type);
      size += nlen; /* sn(n) */
    }
  }

  return size;
}

static uint32_t
get_irep_record_size(mrb_state *mrb, int irep_no, int type)
{
  uint32_t size = 0;
  mrb_irep *irep = mrb->irep[irep_no];

  size += DUMP_SIZE(MRB_DUMP_SIZE_OF_LONG, type); /* rlen */
  size += get_irep_header_size(mrb, irep, type);
  size += get_iseq_block_size(mrb, irep, type);
  size += get_pool_block_size(mrb, irep, type);
  size += get_syms_block_size(mrb, irep, type);

  return size;
}

static int
write_irep_header(mrb_state *mrb, mrb_irep *irep, char *buf, int type)
{
  char *buf_top = buf;

  *buf++ = RITE_IREP_IDENFIFIER; /* record identifier */
  *buf++ = RITE_IREP_TYPE_CLASS; /* class or module */
  buf += uint16_dump((uint16_t)irep->nlocals, buf, type); /* number of local variable */
  buf += uint16_dump((uint16_t)irep->nregs, buf, type); /* number of register variable */
  buf += uint16_dump(DUMP_SIZE(MRB_DUMP_SIZE_OF_SHORT, type)/* crc */, buf, type); /* offset of isec block */

  return (int)(buf - buf_top);
}

static int
write_iseq_block(mrb_state *mrb, mrb_irep *irep, char *buf, int type)
{
  char *buf_top = buf;
  int iseq_no;

  buf += uint32_dump((uint32_t)irep->ilen, buf, type); /* number of opcode */

  for (iseq_no = 0; iseq_no < irep->ilen; iseq_no++) {
    buf += uint32_dump((uint32_t)irep->iseq[iseq_no], buf, type); /* opcode */
  }

  return (int)(buf - buf_top);
}

static int
write_pool_block(mrb_state *mrb, mrb_irep *irep, char *buf, int type)
{
  int pool_no;
  mrb_value str;
  char *buf_top = buf;
  char *char_buf;
  uint16_t buf_size =0;
  uint16_t len =0;

  buf_size = MRB_DUMP_DEFAULT_STR_LEN;
  if ((char_buf = (char *)mrb_malloc(mrb, buf_size)) == 0)
    goto error_exit;

  buf += uint32_dump((uint32_t)irep->plen, buf, type); /* number of pool */

  for (pool_no = 0; pool_no < irep->plen; pool_no++) {
    buf += uint8_dump(mrb_type(irep->pool[pool_no]), buf, type); /* data type */
    memset(char_buf, 0, buf_size);

    switch (mrb_type(irep->pool[pool_no])) {
    case MRB_TT_FIXNUM:
      len = sprintf(char_buf, "%d", mrb_fixnum(irep->pool[pool_no]));
      break;

    case MRB_TT_FLOAT:
      len = sprintf(char_buf, "%.16e", mrb_float(irep->pool[pool_no]));
      break;

    case MRB_TT_STRING:
      str = mrb_string_value( mrb, &irep->pool[pool_no]);
      len = str_dump_len(RSTRING_PTR(str), RSTRING_LEN(str), type);
      if ( len > buf_size - 1) {
        buf_size = len + 1;
        if ((char_buf = (char *)mrb_realloc(mrb, char_buf, buf_size)) == 0)
          goto error_exit;
        memset(char_buf, 0, buf_size);
      }
      str_dump(RSTRING_PTR(str), char_buf, RSTRING_LEN(str), type);
      break;

#ifdef ENABLE_REGEXP
    case MRB_TT_REGEX:
      str = mrb_reg_to_s(mrb, irep->pool[pool_no]);
      len = str_dump_len(RSTRING_PTR(str), RSTRING_LEN(str), type);
      if ( len > buf_size - 1) {
        buf_size = len + 1;
        if ((char_buf = mrb_realloc(mrb, char_buf, buf_size)) == 0)
          goto error_exit;
        memset(char_buf, 0, buf_size);
      }
      str_dump(RSTRING_PTR(str), char_buf, RSTRING_LEN(str), type);
      break;
#endif

    default:
      buf += uint16_dump(0, buf, type); /* data length = 0 */
      continue;
    }

    buf += uint16_dump(len, buf, type); /* data length */

    memcpy(buf, char_buf, len);
    buf += len;
  }

error_exit:
  if (char_buf)
    mrb_free(mrb, char_buf);
  return (int)(buf - buf_top);
}

static int
write_syms_block(mrb_state *mrb, mrb_irep *irep, char *buf, int type)
{
  int sym_no;
  char *buf_top = buf;
  char *char_buf;
  uint16_t buf_size =0;

  buf_size = MRB_DUMP_DEFAULT_STR_LEN;
  if ((char_buf = (char *)mrb_malloc(mrb, buf_size)) == 0)
    goto error_exit;

  buf += uint32_dump((uint32_t)irep->slen, buf, type); /* number of symbol */

  for (sym_no = 0; sym_no < irep->slen; sym_no++) {
    const char * name;
    uint16_t nlen =0;

    if (irep->syms[sym_no] != 0) {
      int len;

      name = mrb_sym2name_len(mrb, irep->syms[sym_no], &len);
      nlen = str_dump_len((char*)name, len, type);
      if ( nlen > buf_size - 1) {
        buf_size = nlen + 1;
        if ((char_buf = (char *)mrb_realloc(mrb, char_buf, buf_size)) == 0)
          goto error_exit;
      }
      memset(char_buf, 0, buf_size);
      str_dump((char*)name, char_buf, len, type);

      buf += uint16_dump(nlen, buf, type); /* length of symbol name */
      memcpy(buf, char_buf, nlen); /* symbol name */
      buf += nlen;
    }
    else {
      buf += uint16_dump(MRB_DUMP_NULL_SYM_LEN, buf, type); /* length of symbol name */
    }
  }

error_exit:
  if (char_buf)
    mrb_free(mrb, char_buf);
  return (int)(buf - buf_top);
}

static int
calc_crc_section(mrb_state *mrb, mrb_irep *irep, uint16_t *crc, int section)
{
  char *buf, *buf_top;
  uint32_t buf_size;
  int type = DUMP_TYPE_BIN;

  switch (section) {
  case DUMP_IREP_HEADER: buf_size = get_irep_header_size(mrb, irep, type); break;
  case DUMP_ISEQ_BLOCK: buf_size = get_iseq_block_size(mrb, irep, type); break;
  case DUMP_POOL_BLOCK: buf_size = get_pool_block_size(mrb, irep, type); break;
  case DUMP_SYMS_BLOCK: buf_size = get_syms_block_size(mrb, irep, type); break;
  default: return MRB_DUMP_GENERAL_FAILURE;
  }

  if ((buf = (char *)mrb_calloc(mrb, 1, buf_size)) == 0)
    return MRB_DUMP_GENERAL_FAILURE;

  buf_top = buf;

  switch (section) {
  case DUMP_IREP_HEADER: buf += write_irep_header(mrb, irep, buf, type); break;
  case DUMP_ISEQ_BLOCK: buf += write_iseq_block(mrb, irep, buf, type); break;
  case DUMP_POOL_BLOCK: buf += write_pool_block(mrb, irep, buf, type); break;
  case DUMP_SYMS_BLOCK: buf += write_syms_block(mrb, irep, buf, type); break;
  default: break;
  }

  *crc = calc_crc_16_ccitt((unsigned char*)buf_top, (int)(buf - buf_top));

  mrb_free(mrb, buf_top);

  return MRB_DUMP_OK;
}

static int
write_rite_header(mrb_state *mrb, int top, char* bin, uint32_t rbds)
{
  rite_binary_header *binary_header;
  uint16_t crc;
  int type = DUMP_TYPE_BIN;

  binary_header = (rite_binary_header*)bin;

  memcpy( binary_header, def_rite_binary_header, sizeof(*binary_header));

  uint32_dump(rbds, (char*)binary_header->rbds, type);
  uint16_dump((uint16_t)mrb->irep_len, (char*)binary_header->nirep, type);
  uint16_dump((uint16_t)top, (char*)binary_header->sirep, type);

  crc = calc_crc_16_ccitt((unsigned char*)binary_header, sizeof(*binary_header));
  bin += sizeof(*binary_header);
  uint16_dump(crc, bin, type);

  return MRB_DUMP_OK;
}

static int
dump_rite_header(mrb_state *mrb, int top, FILE* fp, uint32_t rbds)
{
  rite_binary_header binary_header;
  rite_file_header file_header;
  uint16_t crc;
  int type;

  if (fseek(fp, 0, SEEK_SET) != 0)
    return MRB_DUMP_GENERAL_FAILURE;

  /* calc crc */
  memcpy( &binary_header, def_rite_binary_header, sizeof(binary_header));

  type = DUMP_TYPE_BIN;
  uint32_dump(rbds, (char*)&binary_header.rbds, type);
  uint16_dump((uint16_t)mrb->irep_len, (char*)&binary_header.nirep, type);
  uint16_dump((uint16_t)top, (char*)&binary_header.sirep, type);

  crc = calc_crc_16_ccitt((unsigned char*)&binary_header, sizeof(binary_header));

  /* dump rbc header */
  memcpy( &file_header, def_rite_file_header, sizeof(file_header));

  type = DUMP_TYPE_HEX;
  uint32_dump(rbds, (char*)&file_header.rbds, type);
  uint16_dump((uint16_t)mrb->irep_len, (char*)&file_header.nirep, type);
  uint16_dump((uint16_t)top, (char*)&file_header.sirep, type);
  uint16_dump(crc, (char*)&file_header.hcrc, type);

  if (fwrite(&file_header, sizeof(file_header), 1, fp) != 1)
    return MRB_DUMP_WRITE_FAULT;

  return MRB_DUMP_OK;
}

static int
write_irep_record(mrb_state *mrb, int irep_no, char* bin, uint32_t *rlen, int type)
{
  uint32_t irep_record_size;
  mrb_irep *irep = mrb->irep[irep_no];
  int section;

  if (irep == 0)
    return MRB_DUMP_INVALID_IREP;

  /* buf alloc */
  irep_record_size = get_irep_record_size(mrb, irep_no, type);
  if (irep_record_size == 0)
    return MRB_DUMP_GENERAL_FAILURE;

  memset( bin, 0, irep_record_size);

  /* rlen */
  *rlen = irep_record_size - DUMP_SIZE(MRB_DUMP_SIZE_OF_LONG, type);

  bin += uint32_dump(*rlen, bin, type);

  for (section = 0; section < DUMP_SECTION_NUM; section++) {
    int rc;
    uint16_t crc;

    switch (section) {
    case DUMP_IREP_HEADER: bin += write_irep_header(mrb, irep, bin, type); break;
    case DUMP_ISEQ_BLOCK: bin += write_iseq_block(mrb, irep, bin, type); break;
    case DUMP_POOL_BLOCK: bin += write_pool_block(mrb, irep, bin, type); break;
    case DUMP_SYMS_BLOCK: bin += write_syms_block(mrb, irep, bin, type); break;
    default: break;
    }

    if ((rc = calc_crc_section(mrb, irep, &crc, section)) != 0)
      return rc;

    bin += uint16_dump(crc, bin, type); /* crc */
  }

  return MRB_DUMP_OK;
}

static int
dump_irep_record(mrb_state *mrb, int irep_no, FILE* fp, uint32_t *rlen)
{
  int rc = MRB_DUMP_OK;
  uint32_t irep_record_size;
  char *buf;
  mrb_irep *irep = mrb->irep[irep_no];

  if (irep == 0)
    return MRB_DUMP_INVALID_IREP;

  /* buf alloc */
  irep_record_size = get_irep_record_size(mrb, irep_no, DUMP_TYPE_HEX);
  if (irep_record_size == 0)
    return MRB_DUMP_GENERAL_FAILURE;

  if ((buf = (char *)mrb_calloc(mrb, 1, irep_record_size)) == 0)
    return MRB_DUMP_GENERAL_FAILURE;

  if ((rc = write_irep_record(mrb, irep_no, buf, rlen, DUMP_TYPE_HEX)) != MRB_DUMP_OK) {
    rc = MRB_DUMP_GENERAL_FAILURE;
    goto error_exit;
  }


  if (fwrite(buf, irep_record_size, 1, fp) != 1)
    rc = MRB_DUMP_WRITE_FAULT;

error_exit:
  mrb_free(mrb, buf);

  return rc;
}

static int
mrb_write_irep(mrb_state *mrb, int top, char *bin)
{
  int rc;
  uint32_t rlen=0; /* size of irep record */
  int irep_no;
  char *bin_top;

  if (mrb == 0 || top < 0 || top >= mrb->irep_len || bin == 0)
    return MRB_DUMP_INVALID_ARGUMENT;

  bin_top = bin;
  bin += sizeof(rite_binary_header) + MRB_DUMP_SIZE_OF_SHORT/* crc */;

  for (irep_no=top; irep_no<mrb->irep_len; irep_no++) {
    if ((rc = write_irep_record(mrb, irep_no, bin, &rlen, DUMP_TYPE_BIN)) != 0)
      return rc;

    bin += (rlen + DUMP_SIZE(MRB_DUMP_SIZE_OF_LONG, DUMP_TYPE_BIN));
  }

  bin += uint32_dump(0, bin, DUMP_TYPE_BIN); /* end of file */

  rc = write_rite_header(mrb, top, bin_top, (bin - bin_top)); //TODO: Remove top(SIREP)

  return rc;
}

int
mrb_dump_irep(mrb_state *mrb, int top, FILE* fp)
{
  int rc;
  uint32_t rbds=0; /* size of Rite Binary Data */
  uint32_t rlen=0; /* size of irep record */
  int irep_no;

  if (mrb == 0 || top < 0 || top >= mrb->irep_len || fp == 0)
    return MRB_DUMP_INVALID_ARGUMENT;

  if (fwrite(&def_rite_file_header, sizeof(rite_file_header), 1, fp) != 1) /* dummy write */
    return MRB_DUMP_WRITE_FAULT;

  for (irep_no=top; irep_no<mrb->irep_len; irep_no++) {
    if ((rc = dump_irep_record(mrb, irep_no, fp, &rlen)) != 0)
      return rc;

    rbds += rlen;
  }

  if (fwrite("00000000"/* end of file */, 8, 1, fp) != 1)
    return MRB_DUMP_WRITE_FAULT;

  rc = dump_rite_header(mrb, top, fp, rbds); //TODO: Remove top(SIREP)

  return rc;
}

int
mrb_bdump_irep(mrb_state *mrb, int n, FILE *f,const char *initname)
{
  int rc;
  int irep_no;
  char *buf;
  int buf_size = 0;
  int buf_idx = 0;

  if (mrb == 0 || n < 0 || n >= mrb->irep_len || f == 0 || initname == 0)
    return -1;

  buf_size = sizeof(rite_binary_header) + MRB_DUMP_SIZE_OF_SHORT/* crc */;
  for (irep_no=n; irep_no<mrb->irep_len; irep_no++)
    buf_size += get_irep_record_size(mrb, irep_no, DUMP_TYPE_BIN);
  buf_size += MRB_DUMP_SIZE_OF_LONG; /* end of file */

  if ((buf = (char *)mrb_malloc(mrb, buf_size)) == 0)
    return MRB_DUMP_GENERAL_FAILURE;

  rc = mrb_write_irep(mrb, n, buf);

  if (rc == MRB_DUMP_OK) {
    fprintf(f, "const char %s[] = {", initname);
    while (buf_idx < buf_size ) {
      if (buf_idx % 16 == 0 ) fputs("\n", f);
      fprintf(f, "0x%02x,", (unsigned char)buf[buf_idx++]);
    }
    fputs("\n};\n", f);
  }

  mrb_free(mrb, buf);

  return rc;
}
Something went wrong with that request. Please try again.