Esempio n. 1
0
mrb_value
mrb_Float(mrb_state *mrb, mrb_value val)
{
  if (mrb_nil_p(val)) {
    mrb_raise(mrb, E_TYPE_ERROR, "can't convert nil into Float");
  }
  switch (mrb_type(val)) {
    case MRB_TT_FIXNUM:
      return mrb_float_value(mrb, (mrb_float)mrb_fixnum(val));

    case MRB_TT_FLOAT:
      return val;

    case MRB_TT_STRING:
      return mrb_float_value(mrb, mrb_str_to_dbl(mrb, val, TRUE));

    default:
      return mrb_convert_type(mrb, val, MRB_TT_FLOAT, "Float", "to_f");
  }
}
Esempio n. 2
0
File: load.c Progetto: kano4/mruby
static int
read_rite_irep_record(mrb_state *mrb, const uint8_t *bin, uint32_t *len)
{
  int ret;
  size_t i;
  const uint8_t *src = bin;
  uint16_t tt, pool_data_len, snl;
  size_t plen;
  int ai = mrb_gc_arena_save(mrb);
  mrb_irep *irep = mrb_add_irep(mrb);

  // skip record size
  src += sizeof(uint32_t);

  // number of local variable
  irep->nlocals = bin_to_uint16(src);
  src += sizeof(uint16_t);

  // number of register variable
  irep->nregs = bin_to_uint16(src);         
  src += sizeof(uint16_t);

  // Binary Data Section
  // ISEQ BLOCK
  irep->ilen = bin_to_uint32(src);
  src += sizeof(uint32_t);
  if (irep->ilen > 0) {
    irep->iseq = (mrb_code *)mrb_malloc(mrb, sizeof(mrb_code) * irep->ilen);
    if (irep->iseq == NULL) {
      ret = MRB_DUMP_GENERAL_FAILURE;
      goto error_exit;
    }
    for (i = 0; i < irep->ilen; i++) {
      irep->iseq[i] = bin_to_uint32(src);     //iseq
      src += sizeof(uint32_t);
    }
  }

  //POOL BLOCK
  plen = bin_to_uint32(src); /* number of pool */
  src += sizeof(uint32_t);
  if (plen > 0) {
    irep->pool = (mrb_value *)mrb_malloc(mrb, sizeof(mrb_value) * plen);
    if (irep->pool == NULL) {
      ret = MRB_DUMP_GENERAL_FAILURE;
      goto error_exit;
    }

    for (i = 0; i < plen; i++) {
      mrb_value s;
      tt = *src++; //pool TT
      pool_data_len = bin_to_uint16(src); //pool data length
      src += sizeof(uint16_t);
      s = mrb_str_new(mrb, (char *)src, pool_data_len);
      src += pool_data_len;
      switch (tt) { //pool data
      case MRB_TT_FIXNUM:
        irep->pool[i] = mrb_str_to_inum(mrb, s, 10, FALSE);
        break;

      case MRB_TT_FLOAT:
        irep->pool[i] = mrb_float_value(mrb_str_to_dbl(mrb, s, FALSE));
        break;

      case MRB_TT_STRING:
        irep->pool[i] = s;
        break;

      default:
        irep->pool[i] = mrb_nil_value();
        break;
      }
      irep->plen++;
      mrb_gc_arena_restore(mrb, ai);
    }
  }

  //SYMS BLOCK
  irep->slen = bin_to_uint32(src);  //syms length
  src += sizeof(uint32_t);
  if (irep->slen > 0) {
    irep->syms = (mrb_sym *)mrb_malloc(mrb, sizeof(mrb_sym) * irep->slen);
    if (irep->syms == NULL) {
      ret = MRB_DUMP_GENERAL_FAILURE;
      goto error_exit;
    }

    for (i = 0; i < irep->slen; i++) {
      snl = bin_to_uint16(src);               //symbol name length
      src += sizeof(uint16_t);

      if (snl == MRB_DUMP_NULL_SYM_LEN) {
        irep->syms[i] = 0;
        continue;
      }

      irep->syms[i] = mrb_intern2(mrb, (char *)src, snl);
      src += snl + 1;

      mrb_gc_arena_restore(mrb, ai);
    }
  }
  *len = src - bin;

  ret = MRB_DUMP_OK;
error_exit:
  return ret;
}
Esempio n. 3
0
static mrb_irep*
read_irep_record_1(mrb_state *mrb, const uint8_t *bin, size_t *len, uint8_t flags)
{
  int i;
  const uint8_t *src = bin;
  ptrdiff_t diff;
  uint16_t tt, pool_data_len, snl;
  int plen;
  int ai = mrb_gc_arena_save(mrb);
  mrb_irep *irep = mrb_add_irep(mrb);

  /* skip record size */
  src += sizeof(uint32_t);

  /* number of local variable */
  irep->nlocals = bin_to_uint16(src);
  src += sizeof(uint16_t);

  /* number of register variable */
  irep->nregs = bin_to_uint16(src);
  src += sizeof(uint16_t);

  /* number of child irep */
  irep->rlen = (size_t)bin_to_uint16(src);
  src += sizeof(uint16_t);

  /* Binary Data Section */
  /* ISEQ BLOCK */
  irep->ilen = (uint16_t)bin_to_uint32(src);
  src += sizeof(uint32_t);
  src += skip_padding(src);

  if (irep->ilen > 0) {
    if (SIZE_ERROR_MUL(irep->ilen, sizeof(mrb_code))) {
      return NULL;
    }
    if ((flags & FLAG_SRC_MALLOC) == 0 &&
        (flags & FLAG_BYTEORDER_NATIVE)) {
      irep->iseq = (mrb_code*)src;
      src += sizeof(mrb_code) * irep->ilen;
      irep->flags |= MRB_ISEQ_NO_FREE;
    }
    else {
      size_t data_len = sizeof(mrb_code) * irep->ilen;
      irep->iseq = (mrb_code *)mrb_malloc(mrb, data_len);
      memcpy(irep->iseq, src, data_len);
      src += data_len;
    }
  }

  /* POOL BLOCK */
  plen = bin_to_uint32(src); /* number of pool */
  src += sizeof(uint32_t);
  if (plen > 0) {
    if (SIZE_ERROR_MUL(plen, sizeof(mrb_value))) {
      return NULL;
    }
    irep->pool = (mrb_value*)mrb_malloc(mrb, sizeof(mrb_value) * plen);

    for (i = 0; i < plen; i++) {
      mrb_value s;

      tt = *src++; /* pool TT */
      pool_data_len = bin_to_uint16(src); /* pool data length */
      src += sizeof(uint16_t);
      if (flags & FLAG_SRC_MALLOC) {
        s = mrb_str_new(mrb, (char *)src, pool_data_len);
      }
      else {
        s = mrb_str_new_static(mrb, (char *)src, pool_data_len);
      }
      src += pool_data_len;
      switch (tt) { /* pool data */
      case IREP_TT_FIXNUM: {
        mrb_value num = mrb_str_to_inum(mrb, s, 10, FALSE);
#ifdef MRB_WITHOUT_FLOAT
        irep->pool[i] = num;
#else
        irep->pool[i] = mrb_float_p(num)? mrb_float_pool(mrb, mrb_float(num)) : num;
#endif
        }
        break;

#ifndef MRB_WITHOUT_FLOAT
      case IREP_TT_FLOAT:
        irep->pool[i] = mrb_float_pool(mrb, mrb_str_to_dbl(mrb, s, FALSE));
        break;
#endif

      case IREP_TT_STRING:
        irep->pool[i] = mrb_str_pool(mrb, s);
        break;

      default:
        /* should not happen */
        irep->pool[i] = mrb_nil_value();
        break;
      }
      irep->plen++;
      mrb_gc_arena_restore(mrb, ai);
    }
  }

  /* SYMS BLOCK */
  irep->slen = (uint16_t)bin_to_uint32(src);  /* syms length */
  src += sizeof(uint32_t);
  if (irep->slen > 0) {
    if (SIZE_ERROR_MUL(irep->slen, sizeof(mrb_sym))) {
      return NULL;
    }
    irep->syms = (mrb_sym *)mrb_malloc(mrb, sizeof(mrb_sym) * irep->slen);

    for (i = 0; i < irep->slen; i++) {
      snl = bin_to_uint16(src);               /* symbol name length */
      src += sizeof(uint16_t);

      if (snl == MRB_DUMP_NULL_SYM_LEN) {
        irep->syms[i] = 0;
        continue;
      }

      if (flags & FLAG_SRC_MALLOC) {
        irep->syms[i] = mrb_intern(mrb, (char *)src, snl);
      }
      else {
        irep->syms[i] = mrb_intern_static(mrb, (char *)src, snl);
      }
      src += snl + 1;

      mrb_gc_arena_restore(mrb, ai);
    }
  }

  irep->reps = (mrb_irep**)mrb_malloc(mrb, sizeof(mrb_irep*)*irep->rlen);

  diff = src - bin;
  mrb_assert_int_fit(ptrdiff_t, diff, size_t, SIZE_MAX);
  *len = (size_t)diff;

  return irep;
}
Esempio n. 4
0
File: load.c Progetto: Ancurio/mruby
static mrb_irep*
read_irep_record_1(mrb_state *mrb, const uint8_t *bin, size_t *len, mrb_bool alloc)
{
  size_t i;
  const uint8_t *src = bin;
  ptrdiff_t diff;
  uint16_t tt, pool_data_len, snl;
  size_t plen;
  int ai = mrb_gc_arena_save(mrb);
  mrb_irep *irep = mrb_add_irep(mrb);

  /* skip record size */
  src += sizeof(uint32_t);

  /* number of local variable */
  irep->nlocals = bin_to_uint16(src);
  src += sizeof(uint16_t);

  /* number of register variable */
  irep->nregs = bin_to_uint16(src);
  src += sizeof(uint16_t);

  /* number of child irep */
  irep->rlen = (size_t)bin_to_uint16(src);
  src += sizeof(uint16_t);

  /* Binary Data Section */
  /* ISEQ BLOCK */
  irep->ilen = (size_t)bin_to_uint32(src);
  src += sizeof(uint32_t);
  if (irep->ilen > 0) {
    if (SIZE_ERROR_MUL(sizeof(mrb_code), irep->ilen)) {
      return NULL;
    }
    irep->iseq = (mrb_code *)mrb_malloc(mrb, sizeof(mrb_code) * irep->ilen);
    for (i = 0; i < irep->ilen; i++) {
      irep->iseq[i] = (size_t)bin_to_uint32(src);     /* iseq */
      src += sizeof(uint32_t);
    }
  }

  /* POOL BLOCK */
  plen = (size_t)bin_to_uint32(src); /* number of pool */
  src += sizeof(uint32_t);
  if (plen > 0) {
    if (SIZE_ERROR_MUL(sizeof(mrb_value), plen)) {
      return NULL;
    }
    irep->pool = (mrb_value*)mrb_malloc(mrb, sizeof(mrb_value) * plen);

    for (i = 0; i < plen; i++) {
      mrb_value s;

      tt = *src++; /* pool TT */
      pool_data_len = bin_to_uint16(src); /* pool data length */
      src += sizeof(uint16_t);
      if (alloc) {
        s = mrb_str_new(mrb, (char *)src, pool_data_len);
      }
      else {
        s = mrb_str_new_static(mrb, (char *)src, pool_data_len);
      }
      src += pool_data_len;
      switch (tt) { /* pool data */
      case IREP_TT_FIXNUM:
        irep->pool[i] = mrb_str_to_inum(mrb, s, 10, FALSE);
        break;

      case IREP_TT_FLOAT:
        irep->pool[i] = mrb_float_pool(mrb, mrb_str_to_dbl(mrb, s, FALSE));
        break;

      case IREP_TT_STRING:
        irep->pool[i] = mrb_str_pool(mrb, s);
        break;

      default:
        /* should not happen */
        irep->pool[i] = mrb_nil_value();
        break;
      }
      irep->plen++;
      mrb_gc_arena_restore(mrb, ai);
    }
  }

  /* SYMS BLOCK */
  irep->slen = (size_t)bin_to_uint32(src);  /* syms length */
  src += sizeof(uint32_t);
  if (irep->slen > 0) {
    if (SIZE_ERROR_MUL(sizeof(mrb_sym), irep->slen)) {
      return NULL;
    }
    irep->syms = (mrb_sym *)mrb_malloc(mrb, sizeof(mrb_sym) * irep->slen);

    for (i = 0; i < irep->slen; i++) {
      snl = bin_to_uint16(src);               /* symbol name length */
      src += sizeof(uint16_t);

      if (snl == MRB_DUMP_NULL_SYM_LEN) {
        irep->syms[i] = 0;
        continue;
      }

      if (alloc) {
        irep->syms[i] = mrb_intern(mrb, (char *)src, snl);
      }
      else {
        irep->syms[i] = mrb_intern_static(mrb, (char *)src, snl);
      }
      src += snl + 1;

      mrb_gc_arena_restore(mrb, ai);
    }
  }

  irep->reps = (mrb_irep**)mrb_malloc(mrb, sizeof(mrb_irep*)*irep->rlen);

  diff = src - bin;
  mrb_assert_int_fit(ptrdiff_t, diff, size_t, SIZE_MAX);
  *len = (size_t)diff;

  return irep;
}