Пример #1
0
static mrb_value mrb_random_srand(mrb_state *mrb, mrb_value self)
{
  mrb_int argc;
  mrb_value *argv;
  mrb_value seed;

  mrb_get_args(mrb, "*", &argv, &argc);

  if (argc == 0) {
    seed = mrb_nil_value();
  } else if (argc == 1) {
    seed = argv[0];
    if (!mrb_nil_p(seed) && !mrb_fixnum_p(seed)) {
      seed = mrb_check_convert_type(mrb, seed, MRB_TT_FIXNUM, "Fixnum", "to_int");
    }
     if (!mrb_nil_p(seed) && mrb_fixnum(seed) < 0) {
      seed = mrb_fixnum_value(0 - mrb_fixnum(seed));
    }

    if (!mrb_fixnum_p(seed)) {
      mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid argument type");
      return mrb_nil_value();
    }
  } else {
    mrb_raisef(mrb, E_ARGUMENT_ERROR, "wrong number of arguments (%d for 0..1)", argc);
    return mrb_nil_value();
  }

  seed = mrb_random_mt_srand(mrb, seed);
  mrb_value old_seed = mrb_gv_get(mrb, mrb_intern(mrb, RAND_SEED_KEY));
  mrb_gv_set(mrb, mrb_intern(mrb, RAND_SEED_KEY), seed);

  return old_seed;
}
Пример #2
0
mrb_value
mrb_f_kill(mrb_state *mrb, mrb_value klass)
{
  mrb_int pid;
  mrb_value *argv, sigo;
  int argc, sent, signo = 0;

  mrb_get_args(mrb, "oi*", &sigo, &pid, &argv, &argc);
  if (mrb_fixnum_p(sigo)) {
    signo = mrb_fixnum(sigo);
  } else {
    mrb_raisef(mrb, E_TYPE_ERROR, "bad signal type %s",
    	       mrb_obj_classname(mrb, sigo));
  }

  sent = 0;
  if (kill(pid, signo) == -1)
    mrb_sys_fail(mrb, "kill");
  sent++;

  while (argc-- > 0) {
    if (!mrb_fixnum_p(*argv)) {
      mrb_raisef(mrb, E_TYPE_ERROR, "wrong argument type %s (expected Fixnum)",
      	         mrb_obj_classname(mrb, *argv));
    }
    if (kill(mrb_fixnum(*argv), signo) == -1)
      mrb_sys_fail(mrb, "kill");
    sent++;
    argv++;
  }
  return mrb_fixnum_value(sent);
}
Пример #3
0
static int
check_error(mrb_state *mrb)
{
  /* Error check */
  /* $ko_test and $kill_test should be 0 */
  mrb_value ko_test = mrb_gv_get(mrb, mrb_intern_lit(mrb, "$ko_test"));
  mrb_value kill_test = mrb_gv_get(mrb, mrb_intern_lit(mrb, "$kill_test"));

  return mrb_fixnum_p(ko_test) && mrb_fixnum(ko_test) == 0 && mrb_fixnum_p(kill_test) && mrb_fixnum(kill_test) == 0;
}
Пример #4
0
/*
 * call-seq:
 *
 *  num ** other  ->  num
 *
 * Raises <code>num</code> the <code>other</code> power.
 *
 *    2.0**3      #=> 8.0
 */
static mrb_value
num_pow(mrb_state *mrb, mrb_value x)
{
  mrb_value y;
  mrb_float d;

  mrb_get_args(mrb, "o", &y);
  d = pow(mrb_to_flo(mrb, x), mrb_to_flo(mrb, y));
  if (mrb_fixnum_p(x) && mrb_fixnum_p(y) && FIXABLE(d))
    return mrb_fixnum_value((mrb_int)d);
  return mrb_float_value(mrb, d);
}
Пример #5
0
mrb_value
mrb_check_to_integer(mrb_state *mrb, mrb_value val, const char *method)
{
  mrb_value v;

  if (mrb_fixnum_p(val)) return val;
  v = convert_type(mrb, val, "Integer", method, FALSE);
  if (mrb_nil_p(v) || !mrb_fixnum_p(v)) {
    return mrb_nil_value();
  }
  return v;
}
Пример #6
0
static mrb_value
mrb_range_size(mrb_state *mrb, mrb_value range)
{
  struct RRange *r = mrb_range_ptr(mrb, range);
  mrb_value beg, end;
  mrb_float beg_f, end_f;
  mrb_bool num_p = TRUE;
  mrb_bool excl;

  beg = r->edges->beg;
  end = r->edges->end;
  excl = r->excl;
  if (mrb_fixnum_p(beg)) {
    beg_f = (mrb_float)mrb_fixnum(beg);
  }
  else if (mrb_float_p(beg)) {
    beg_f = mrb_float(beg);
  }
  else {
    num_p = FALSE;
  }
  if (mrb_fixnum_p(end)) {
    end_f = (mrb_float)mrb_fixnum(end);
  }
  else if (mrb_float_p(end)) {
    end_f = mrb_float(end);
  }
  else {
    num_p = FALSE;
  }
  if (num_p) {
    mrb_float n = end_f - beg_f;
    mrb_float err = (fabs(beg_f) + fabs(end_f) + fabs(end_f-beg_f)) * MRB_FLOAT_EPSILON;

    if (err>0.5) err=0.5;
    if (excl) {
      if (n<=0) return mrb_fixnum_value(0);
      if (n<1)
        n = 0;
      else
        n = floor(n - err);
    }
    else {
      if (n<0) return mrb_fixnum_value(0);
      n = floor(n + err);
    }
    if (isinf(n+1))
      return mrb_float_value(mrb, INFINITY);
    return mrb_fixnum_value(n+1);
  }
  return mrb_nil_value();
}
Пример #7
0
/*
 * call-seq:
 *
 *  num ** other  ->  num
 *
 * Raises <code>num</code> the <code>other</code> power.
 *
 *    2.0**3      #=> 8.0
 */
static mrb_value
num_pow(mrb_state *mrb, mrb_value x)
{
  mrb_value y;
  int both_int = FALSE;
  mrb_float d;

  mrb_get_args(mrb, "o", &y);
  if (mrb_fixnum_p(x) && mrb_fixnum_p(y)) both_int = TRUE;
  d = pow(mrb_to_flo(mrb, x), mrb_to_flo(mrb, y));
  if (both_int && FIXABLE(d))
    return mrb_fixnum_value((mrb_int)d);
  return mrb_float_value(d);
}
Пример #8
0
static mrb_value plus(mrb_state *mrb, mrb_value self) {
  mrb_value a, b;
  mrb_get_args(mrb, "oo", &a, &b);
  if (mrb_fixnum_p(a) && mrb_fixnum_p(b)) {
    mrb_int x = mrb_fixnum(a);
    mrb_int y = mrb_fixnum(b);
    return mrb_fixnum_value(x + y);
  } else if (mrb_string_p(a) && mrb_string_p(b)) {
    mrb_value s = mrb_str_plus(mrb, a, b);
    return s;
  } else {
    return mrb_nil_value();
  }
}
Пример #9
0
static mrb_int getButtonArg(mrb_state *mrb)
{
	mrb_int num;
	mrb_value arg;

	mrb_get_args(mrb, "o", &arg);

	if (mrb_fixnum_p(arg))
	{
		num = mrb_fixnum(arg);
	}
	else if (mrb_symbol_p(arg) && rgssVer >= 3)
	{
		mrb_value symHash = getMrbData(mrb)->buttoncodeHash;
		mrb_value numVal = mrb_hash_fetch(mrb, symHash, arg,
										  mrb_fixnum_value(Input::None));
		num = mrb_fixnum(numVal);
	}
	else
	{
		// FIXME: RMXP allows only few more types that
		// don't make sense (symbols in pre 3, floats)
		num = 0;
	}

	return num;
}
bool rubyval_to_std_vector_string(mrb_state* mrb, mrb_value arg, std::vector<std::string>* ret, const char* funcName)
{
    if (! mrb_array_p(arg)) {
        return false;
    }
    
    mrb_int len = mrb_ary_len(mrb, arg);
    for (mrb_int i = 0; i < len; i++) {
        mrb_value v = mrb_ary_ref(mrb, arg, i);
        std::string str = "";
        if (mrb_fixnum_p(v)) {
            mrb_int val = mrb_fixnum(v);
            char *cstr = nullptr;
            sprintf(cstr, "%d", val);
            str = std::string(cstr);
        } else if (mrb_float_p(v)) {
            mrb_float val = mrb_float(v);
            char *cstr = nullptr;
            sprintf(cstr, "%f", val);
            str = std::string(cstr);
        }
        ret->push_back(str);
    }
    
    return true;
}
Пример #11
0
static mrb_value
ctx_array_reference(mrb_state *mrb, mrb_value self)
{
  grn_ctx *ctx = (grn_ctx *)mrb->ud;
  mrb_value mrb_id_or_name;
  grn_obj *object;

  mrb_get_args(mrb, "o", &mrb_id_or_name);

  if (mrb_nil_p(mrb_id_or_name)) {
    return mrb_nil_value();
  }

  if (mrb_fixnum_p(mrb_id_or_name)) {
    grn_id id = mrb_fixnum(mrb_id_or_name);
    object = grn_ctx_at(ctx, id);
  } else {
    mrb_value mrb_name;
    mrb_name = mrb_convert_type(mrb, mrb_id_or_name,
                                MRB_TT_STRING, "String", "to_str");
    object = grn_ctx_get(ctx,
                         RSTRING_PTR(mrb_name),
                         RSTRING_LEN(mrb_name));
  }

  return grn_mrb_value_from_grn_obj(mrb, object);
}
Пример #12
0
static mrb_value
initialize(mrb_state *mrb, mrb_value self)
{
  mrb_value var;

  DATA_TYPE(self) = &mrb_pp_var_array_buffer_type;
  DATA_PTR(self) = mrb_pp_var_alloc(mrb);

  switch (mrb_get_args(mrb, "|o", &var)) {
  case 0:
    MRB_PP_VAR(self) = PPB(VarArrayBuffer)->Create(0);
    break;
  case 1:
    if (mrb_fixnum_p(var)) {
      MRB_PP_VAR(self) = PPB(VarArrayBuffer)->Create(mrb_fixnum(var));
      break;
    }
    else if (!mrb_obj_is_kind_of(mrb, var, mrb_pp_var_class)) {
      mrb_raise(mrb, E_TYPE_ERROR, "argument must be a Fixnum or PP::Var");
    }
    else if (!mrb_test(mrb_funcall(mrb, var, "is_array_buffer", 0))) {
      mrb_raisef(mrb, E_TYPE_ERROR, "%S is not an array buffer value", var);
    }
    MRB_PP_VAR(self) = MRB_PP_VAR(var);
    PPB(Var)->AddRef(MRB_PP_VAR(self));
    break;
  default:
    mrb_raise(mrb, E_ARGUMENT_ERROR, "wrong number of arguments");
  }

  return self;
}
Пример #13
0
/*
 *  call-seq:
 *     fix.divmod(numeric)  ->  array
 *
 *  See <code>Numeric#divmod</code>.
 */
static mrb_value
fix_divmod(mrb_state *mrb, mrb_value x)
{
  mrb_value y;

  mrb_get_args(mrb, "o", &y);

  if (mrb_fixnum_p(y)) {
    mrb_int div, mod;

    if (mrb_fixnum(y) == 0) {
      return mrb_assoc_new(mrb, mrb_float_value(mrb, INFINITY),
        mrb_float_value(mrb, NAN));
    }
    fixdivmod(mrb, mrb_fixnum(x), mrb_fixnum(y), &div, &mod);
    return mrb_assoc_new(mrb, mrb_fixnum_value(div), mrb_fixnum_value(mod));
  }
  else {
    mrb_float div, mod;
    mrb_value a, b;

    flodivmod(mrb, (mrb_float)mrb_fixnum(x), mrb_to_flo(mrb, y), &div, &mod);
    a = mrb_float_value(mrb, (mrb_int)div);
    b = mrb_float_value(mrb, mod);
    return mrb_assoc_new(mrb, a, b);
  }
}
Пример #14
0
static mrb_value
fix_mod(mrb_state *mrb, mrb_value x)
{
  mrb_value y;
  mrb_int a;

  mrb_get_args(mrb, "o", &y);
  a = mrb_fixnum(x);
  if (mrb_fixnum_p(y)) {
    mrb_int b, mod;

    if ((b=mrb_fixnum(y)) == 0) {
#ifdef MRB_WITHOUT_FLOAT
      /* ZeroDivisionError */
      return mrb_fixnum_value(0);
#else
      return mrb_float_value(mrb, NAN);
#endif
    }
    fixdivmod(mrb, a, b, 0, &mod);
    return mrb_fixnum_value(mod);
  }
#ifdef MRB_WITHOUT_FLOAT
  mrb_raise(mrb, E_TYPE_ERROR, "non fixnum value");
#else
  else {
Пример #15
0
static mrb_value
mrb_random_init(mrb_state *mrb, mrb_value self)
{
  mrb_value seed;
  mt_state *t;

  /* avoid memory leaks */
  t = (mt_state*)DATA_PTR(self);
  if (t) {
    mrb_free(mrb, t);
  }
  mrb_data_init(self, NULL, &mt_state_type);

  t = (mt_state *)mrb_malloc(mrb, sizeof(mt_state));
  t->mti = N + 1;

  seed = get_opt(mrb);
  seed = mrb_random_mt_srand(mrb, t, seed);
  if (mrb_nil_p(seed)) {
    t->has_seed = FALSE;
  }
  else {
    mrb_assert(mrb_fixnum_p(seed));
    t->has_seed = TRUE;
    t->seed = mrb_fixnum(seed);
  }

  mrb_data_init(self, t, &mt_state_type);

  return self;
}
Пример #16
0
mrb_value
mrb_ary_aset(mrb_state *mrb, mrb_value self)
{
  mrb_value *argv;
  int argc;

  mrb_get_args(mrb, "*", &argv, &argc);
  switch(argc) {
  case 2:
    if (!mrb_fixnum_p(argv[0])) {
      /* Should we support Range object for 1st arg ? */
      mrb_raise(mrb, E_TYPE_ERROR, "expected Fixnum for 1st argument");
    }
    mrb_ary_set(mrb, self, mrb_fixnum(argv[0]), argv[1]);
    return argv[1];

  case 3:
    mrb_ary_splice(mrb, self, mrb_fixnum(argv[0]), mrb_fixnum(argv[1]), argv[2]);
    return argv[2];

  default:
    mrb_raise(mrb, E_ARGUMENT_ERROR, "wrong number of arguments");
    return mrb_nil_value();
  }
}
Пример #17
0
mrb_value
mrb_get_values_at(mrb_state *mrb, mrb_value obj, mrb_int olen, mrb_int argc, const mrb_value *argv, mrb_value (*func)(mrb_state*, mrb_value, mrb_int))
{
  mrb_int i, j, beg, len;
  mrb_value result;
  result = mrb_ary_new(mrb);

  for (i = 0; i < argc; ++i) {
    if (mrb_fixnum_p(argv[i])) {
      mrb_ary_push(mrb, result, func(mrb, obj, mrb_fixnum(argv[i])));
    }
    else if (range_beg_len(mrb, argv[i], &beg, &len, olen, FALSE)) {
      mrb_int const end = olen < beg + len ? olen : beg + len;
      for (j = beg; j < end; ++j) {
        mrb_ary_push(mrb, result, func(mrb, obj, j));
      }

      for (; j < beg + len; ++j) {
        mrb_ary_push(mrb, result, mrb_nil_value());
      }
    }
    else {
      mrb_raisef(mrb, E_TYPE_ERROR, "invalid values selector: %S", argv[i]);
    }
  }

  return result;
}
Пример #18
0
mrb_value
mrb_f_sleep(mrb_state *mrb, mrb_value klass)
{
  int argc;
  mrb_value *argv;
  time_t beg, end;

  beg = time(0);
  mrb_get_args(mrb, "*", &argv, &argc);
  if (argc == 0) {
    sleep((32767<<16)+32767);
  } else if(argc == 1) {
    struct timeval tv;
    int n;

    if (mrb_fixnum_p(argv[0])) {
      tv.tv_sec = mrb_fixnum(argv[0]);
      tv.tv_usec = 0;
    } else {
      tv.tv_sec = mrb_float(argv[0]);
      tv.tv_usec = (mrb_float(argv[0]) - tv.tv_sec) * 1000000.0;
    }


    n = select(0, 0, 0, 0, &tv);
    if (n < 0)
      mrb_sys_fail(mrb, "mrb_f_sleep failed");
  } else {
    mrb_raise(mrb, E_ARGUMENT_ERROR, "wrong # of arguments");
  }

  end = time(0) - beg;

  return mrb_fixnum_value(end);
}
Пример #19
0
static mrb_bool
r_gt(mrb_state *mrb, mrb_value a, mrb_value b)
{
  mrb_value r = mrb_funcall(mrb, a, "<=>", 1, b);
  /* output :a < b => -1, a = b =>  0, a > b => +1 */

  return mrb_fixnum_p(r) && mrb_fixnum(r) == 1;
}
Пример #20
0
static ssize_t
mrb_wslay_event_recv_callback(wslay_event_context_ptr ctx,
  uint8_t *buf, size_t len, int flags, void *user_data)
{
  mrb_wslay_user_data *data = (mrb_wslay_user_data *) user_data;
  mrb_state*mrb = data->mrb;
  int ai = mrb_gc_arena_save(mrb);

  struct mrb_jmpbuf *prev_jmp = mrb->jmp;
  struct mrb_jmpbuf c_jmp;

  mrb_int ret = -1;
  MRB_TRY(&c_jmp) {
    mrb->jmp = &c_jmp;

    mrb_value argv[2];
    argv[0] = mrb_cptr_value(mrb, buf);
    argv[1] = mrb_fixnum_value(len);

    errno = 0;
    mrb_assert(mrb_type(data->recv_callback) == MRB_TT_PROC);
    mrb_value buf_obj = mrb_yield_argv(mrb, data->recv_callback, NELEMS(argv), argv);

    if (mrb_fixnum_p(buf_obj)) {
      ret = mrb_fixnum(buf_obj);
    } else {
      buf_obj = mrb_str_to_str(mrb, buf_obj);
      ret = RSTRING_LEN(buf_obj);
      if (ret < 0||ret > len) {
        mrb_raise(mrb, E_RANGE_ERROR, "returned buf doesn't fit");
      }
      if (ret > 0) {
        memmove(buf, (uint8_t *) RSTRING_PTR(buf_obj), ret);
      }
    }

    mrb->jmp = prev_jmp;
  } MRB_CATCH(&c_jmp) {
    mrb->jmp = prev_jmp;
    if (mrb_obj_is_kind_of(mrb,
        mrb_obj_value(mrb->exc),
            mrb_class_get_under(mrb,
                mrb_module_get(mrb, "Errno"), "EAGAIN"))||
    mrb_obj_is_kind_of(mrb,
        mrb_obj_value(mrb->exc),
            mrb_class_get_under(mrb,
                mrb_module_get(mrb, "Errno"), "EWOULDBLOCK"))) {
      mrb->exc = NULL;
      wslay_event_set_error(ctx, WSLAY_ERR_WOULDBLOCK);
    } else {
      wslay_event_set_error(ctx, WSLAY_ERR_CALLBACK_FAILURE);
    }
  } MRB_END_EXC(&c_jmp);

  mrb_gc_arena_restore(mrb, ai);

  return ret;
}
Пример #21
0
static mrb_value
blender_setter(mrb_state *mrb, mrb_value self)
{
  mrb_value a;
  mrb_value *e;
  mrb_get_args(mrb, "A", &a);
  if (RARRAY_LEN(a) != 3) {
    goto invalid;
  }
  e = RARRAY_PTR(a);
  if (mrb_fixnum_p(e[0]) && mrb_fixnum_p(e[1]) && mrb_fixnum_p(e[2])) {
    al_set_blender(mrb_fixnum(e[0]), mrb_fixnum(e[1]), mrb_fixnum(e[2]));
    return a;
  }
invalid:
  mrb_raise(mrb, E_ALLEGRO_ERROR, "invalid blending mode");
  return mrb_nil_value();  // unreachable
}
Пример #22
0
/*
 *  call-seq:
 *     num.eql?(numeric)  ->  true or false
 *
 *  Returns <code>true</code> if <i>num</i> and <i>numeric</i> are the
 *  same type and have equal values.
 *
 *     1 == 1.0          #=> true
 *     1.eql?(1.0)       #=> false
 *     (1.0).eql?(1.0)   #=> true
 */
static mrb_value
fix_eql(mrb_state *mrb, mrb_value x)
{
  mrb_value y;

  mrb_get_args(mrb, "o", &y);
  if (!mrb_fixnum_p(y)) return mrb_false_value();
  return mrb_bool_value(mrb_fixnum(x) == mrb_fixnum(y));
}
Пример #23
0
grn_operator
grn_mrb_value_to_operator(mrb_state *mrb, mrb_value mrb_op)
{
  if (!mrb_fixnum_p(mrb_op)) {
    mrb_op = mrb_funcall(mrb, mrb_op, "value", 0);
  }

  return mrb_fixnum(mrb_op);
}
Пример #24
0
VCL_INT vmod_exec_integer(VRT_CTX, struct vmod_priv *priv, VCL_STRING code)
{
    mrb_state *mrb = (mrb_state*)priv->priv;
    mrb_value v = mrb_code_exec(mrb, code);
    if(!mrb_fixnum_p(v))
    {
        return 0;
    }
    return mrb_fixnum(v);
}
Пример #25
0
static mrb_value
bit_coerce(mrb_state *mrb, mrb_value x)
{
  while (!mrb_fixnum_p(x)) {
    if (mrb_float_p(x)) {
      mrb_raise(mrb, E_TYPE_ERROR, "can't convert Float into Integer");
    }
    x = mrb_to_int(mrb, x);
  }
  return x;
}
Пример #26
0
mrb_value
mrb_num_div(mrb_state *mrb, mrb_value x, mrb_value y)
{
#ifdef MRB_WITHOUT_FLOAT
  if (!mrb_fixnum_p(y)) {
    mrb_raise(mrb, E_TYPE_ERROR, "non fixnum value");
  }
  return mrb_fixnum_value(mrb_fixnum(x) / mrb_fixnum(y));
#else
  return mrb_float_value(mrb, mrb_to_flo(mrb, x) / mrb_to_flo(mrb, y));
#endif
}
Пример #27
0
static mrb_bool
r_ge(mrb_state *mrb, mrb_value a, mrb_value b)
{
  mrb_value r = mrb_funcall(mrb, a, "<=>", 1, b); /* compare result */
  /* output :a < b => -1, a = b =>  0, a > b => +1 */

  if (mrb_fixnum_p(r)) {
    mrb_int c = mrb_fixnum(r);
    if (c == 0 || c == 1) return TRUE;
  }

  return FALSE;
}
Пример #28
0
static mrb_int
aget_index(mrb_state *mrb, mrb_value index)
{
  if (mrb_fixnum_p(index)) {
    return mrb_fixnum(index);
  }
  else {
    mrb_int i;

    mrb_get_args(mrb, "i", &i);
    return i;
  }
}
Пример #29
0
/*
 * call-seq:
 *
 *  num ** other  ->  num
 *
 * Raises <code>num</code> the <code>other</code> power.
 *
 *    2.0**3      #=> 8.0
 */
static mrb_value
num_pow(mrb_state *mrb, mrb_value x)
{
  mrb_value y;
#ifndef MRB_WITHOUT_FLOAT
  mrb_float d;
#endif

  mrb_get_args(mrb, "o", &y);
  if (mrb_fixnum_p(x) && mrb_fixnum_p(y)) {
    /* try ipow() */
    mrb_int base = mrb_fixnum(x);
    mrb_int exp = mrb_fixnum(y);
    mrb_int result = 1;

    if (exp < 0)
#ifdef MRB_WITHOUT_FLOAT
      return mrb_fixnum_value(0);
#else
      goto float_pow;
#endif
    for (;;) {
      if (exp & 1) {
        if (mrb_int_mul_overflow(result, base, &result)) {
#ifndef MRB_WITHOUT_FLOAT
          goto float_pow;
#endif
        }
      }
      exp >>= 1;
      if (exp == 0) break;
      if (mrb_int_mul_overflow(base, base, &base)) {
#ifndef MRB_WITHOUT_FLOAT
        goto float_pow;
#endif
      }
    }
    return mrb_fixnum_value(result);
  }
Пример #30
0
static mrb_value
mrb_to_integer(mrb_state *mrb, mrb_value val, const char *method)
{
  mrb_value v;

  if (mrb_fixnum_p(val)) return val;
  v = convert_type(mrb, val, "Integer", method, TRUE);
  if (!mrb_obj_is_kind_of(mrb, v, mrb->fixnum_class)) {
    mrb_raisef(mrb, E_TYPE_ERROR, "can't convert %S to Integer (%S#%S gives %S)",
               val, val, mrb_str_new_cstr(mrb, method), v);
  }
  return v;
}