Exemple #1
0
static mrb_value
mrb_int_chr(mrb_state *mrb, mrb_value x)
{
  mrb_int chr;
  char c;

  chr = mrb_fixnum(x);
  if (chr >= (1 << CHAR_BIT)) {
    mrb_raisef(mrb, E_RANGE_ERROR, "%" PRIdMRB_INT " out of char range", chr);
  }
  c = (char)chr;

  return mrb_str_new(mrb, &c, 1);
}
Exemple #2
0
static mrb_value
struct_members(mrb_state *mrb, mrb_value s)
{
  mrb_value members = struct_s_members(mrb, mrb_obj_class(mrb, s));
  if (!mrb_array_p(s)) {
    mrb_raise(mrb, E_TYPE_ERROR, "corrupted struct");
  }
  if (RSTRUCT_LEN(s) != RARRAY_LEN(members)) {
    mrb_raisef(mrb, E_TYPE_ERROR,
               "struct size differs (%S required %S given)",
               mrb_fixnum_value(RARRAY_LEN(members)), mrb_fixnum_value(RSTRUCT_LEN(s)));
  }
  return members;
}
Exemple #3
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_value type = inspect_type(mrb, val);
    mrb_raisef(mrb, E_TYPE_ERROR, "can't convert %S to Integer (%S#%S gives %S)",
               type, type, mrb_str_new_cstr(mrb, method), inspect_type(mrb, v));
  }
  return v;
}
Exemple #4
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)) {
      const char *cname = mrb_obj_classname(mrb, val);
      mrb_raisef(mrb, E_TYPE_ERROR, "can't convert %s to Integer (%s#%s gives %s)",
               cname, cname, method, mrb_obj_classname(mrb, v));
    }
    return v;
}
Exemple #5
0
struct mrb_ffi_type*
rclass_to_mrb_ffi_type(mrb_state *mrb, struct RClass *cls)
{
    struct RClass *cls_ = cls;
    while(cls) {
        mrb_value ffi_type = mrb_obj_iv_get(mrb, (struct RObject*)cls, mrb_intern(mrb, "@ffi_type"));
        if(mrb_test(ffi_type)) {
            return (struct mrb_ffi_type*)DATA_PTR(ffi_type);
        }
        cls = cls->super;
    }
    mrb_raisef(mrb, E_TYPE_ERROR, "%s cannot convert to C value", mrb_class_name(mrb, cls_));
    return NULL;
}
Exemple #6
0
MRB_API void
mrb_obj_iv_set(mrb_state *mrb, struct RObject *obj, mrb_sym sym, mrb_value v)
{
  iv_tbl *t = obj->iv;

  if (MRB_FROZEN_P(obj)) {
    mrb_raisef(mrb, E_RUNTIME_ERROR, "can't modify frozen %S", mrb_obj_value(obj));
  }
  if (!t) {
    t = obj->iv = iv_new(mrb);
  }
  mrb_write_barrier(mrb, (struct RBasic*)obj);
  iv_put(mrb, t, sym, v);
}
Exemple #7
0
/*!
 * Ensures a class can be derived from super.
 *
 * \param super a reference to an object.
 * \exception TypeError if \a super is not a Class or \a super is a singleton class.
 */
void
mrb_check_inheritable(mrb_state *mrb, struct RClass *super)
{
  if (super->tt != MRB_TT_CLASS) {
    mrb_raisef(mrb, E_TYPE_ERROR, "superclass must be a Class (%s given)",
           mrb_obj_classname(mrb, mrb_obj_value(super)));
  }
  if (super->tt == MRB_TT_SCLASS) {
    mrb_raise(mrb, E_TYPE_ERROR, "can't make subclass of singleton class");
  }
  if (super == mrb->class_class) {
    mrb_raise(mrb, E_TYPE_ERROR, "can't make subclass of Class");
  }
}
Exemple #8
0
static mrb_value
convert_type(mrb_state *mrb, mrb_value val, const char *tname, const char *method, mrb_bool raise)
{
  mrb_sym m = 0;

  m = mrb_intern_cstr(mrb, method);
  if (!mrb_respond_to(mrb, val, m)) {
    if (raise) {
      mrb_raisef(mrb, E_TYPE_ERROR, "can't convert %S into %S", inspect_type(mrb, val), mrb_str_new_cstr(mrb, tname));
    }
    return mrb_nil_value();
  }
  return mrb_funcall_argv(mrb, val, m, 0, 0);
}
Exemple #9
0
/*
 *  Document-method: Integer#chr
 *  call-seq:
 *     int.chr  ->  string
 *
 *  Returns a string containing the character represented by the +int+'s value
 *  according to +encoding+.
 *
 *     65.chr    #=> "A"
 *     230.chr   #=> "\xE6"
 */
static mrb_value
mrb_int_chr(mrb_state *mrb, mrb_value x)
{
  mrb_int chr;
  char c;

  chr = to_int(mrb, x);
  if (chr >= (1 << CHAR_BIT)) {
    mrb_raisef(mrb, E_RANGE_ERROR, "%S out of char range", x);
  }
  c = (char)chr;

  return mrb_str_new(mrb, &c, 1);
}
Exemple #10
0
static mrb_value
replace_contents(mrb_state *mrb, mrb_value self)
{
  mrb_value image;

  mrb_get_args(mrb, "o", &image);
  if (!mrb_obj_is_instance_of(mrb, image, mrb_pp_image_data_class)) {
    mrb_raisef(mrb, E_TYPE_ERROR, "%S is not a PP::Image object", image);
  }

  PPB(Graphics2D)->ReplaceContents(MRB_PP_RESOURCE(self), MRB_PP_RESOURCE(image));

  return mrb_nil_value();
}
Exemple #11
0
static mrb_value
flush(mrb_state *mrb, mrb_value self)
{
  mrb_value cc;
  int32_t ret;

  mrb_get_args(mrb, "o", &cc);
  if (!mrb_obj_is_instance_of(mrb, cc, mrb_pp_completion_callback_class)) {
    mrb_raisef(mrb, E_TYPE_ERROR, "%S is not a PP::CompletionCallback object", cc);
  }

  ret = PPB(Graphics2D)->Flush(MRB_PP_RESOURCE(self), MRB_PP_COMPLETION_CALLBACK(cc));
  return mrb_fixnum_value(ret);
}
Exemple #12
0
void
mrb_check_type(mrb_state *mrb, mrb_value x, enum mrb_vtype t)
{
  const struct types *type = builtin_types;
  struct RString *s;
  enum mrb_vtype xt;

  xt = mrb_type(x);
  if ((xt != t) || (xt == MRB_TT_DATA)) {
    while (type->type < MRB_TT_MAXDEFINE) {
      if (type->type == t) {
        const char *etype;

        if (mrb_nil_p(x)) {
          etype = "nil";
        }
        else if (mrb_type(x) == MRB_TT_FIXNUM) {
          etype = "Fixnum";
        }
        else if (mrb_type(x) == MRB_TT_SYMBOL) {
          etype = "Symbol";
        }
        else if (mrb_special_const_p(x)) {
          s = mrb_str_ptr(mrb_obj_as_string(mrb, x));
          etype = s->ptr;
        }
        else {
          etype = mrb_obj_classname(mrb, x);
        }
        mrb_raisef(mrb, E_TYPE_ERROR, "wrong argument type %s (expected %s)",
		  etype, type->name);
      }
      type++;
    }
    mrb_raisef(mrb, E_TYPE_ERROR, "unknown type 0x%x (0x%x given)", t, mrb_type(x));
  }
}
Exemple #13
0
static int
mrb_io_modestr_to_flags(mrb_state *mrb, const char *mode)
{
  int flags = 0;
  const char *m = mode;

  switch (*m++) {
    case 'r':
      flags |= FMODE_READABLE;
      break;
    case 'w':
      flags |= FMODE_WRITABLE | FMODE_CREATE | FMODE_TRUNC;
      break;
    case 'a':
      flags |= FMODE_WRITABLE | FMODE_APPEND | FMODE_CREATE;
      break;
    default:
      mrb_raisef(mrb, E_ARGUMENT_ERROR, "illegal access mode %S", mrb_str_new_cstr(mrb, mode));
  }

  while (*m) {
    switch (*m++) {
      case 'b':
        flags |= FMODE_BINMODE;
        break;
      case '+':
        flags |= FMODE_READWRITE;
        break;
      case ':':
        /* XXX: PASSTHROUGH*/
      default:
        mrb_raisef(mrb, E_ARGUMENT_ERROR, "illegal access mode %S", mrb_str_new_cstr(mrb, mode));
    }
  }

  return flags;
}
Exemple #14
0
grn_obj *
grn_mrb_value_to_bulk(mrb_state *mrb, mrb_value mrb_value_, grn_obj *bulk)
{
  grn_ctx *ctx = (grn_ctx *)mrb->ud;

  switch (mrb_type(mrb_value_)) {
  case MRB_TT_FALSE :
    if (mrb_nil_p(mrb_value_)) {
      grn_obj_reinit(ctx, bulk, GRN_DB_VOID, 0);
    } else {
      grn_obj_reinit(ctx, bulk, GRN_DB_BOOL, 0);
      GRN_BOOL_SET(ctx, bulk, GRN_FALSE);
    }
    break;
  case MRB_TT_TRUE :
    grn_obj_reinit(ctx, bulk, GRN_DB_BOOL, 0);
    GRN_BOOL_SET(ctx, bulk, GRN_TRUE);
    break;
  case MRB_TT_FIXNUM :
    grn_obj_reinit(ctx, bulk, GRN_DB_INT64, 0);
    GRN_INT64_SET(ctx, bulk, mrb_fixnum(mrb_value_));
    break;
  case MRB_TT_SYMBOL :
    {
      const char *name;
      mrb_int name_length;

      grn_obj_reinit(ctx, bulk, GRN_DB_TEXT, 0);
      name = mrb_sym2name_len(mrb, mrb_symbol(mrb_value_), &name_length);
      GRN_TEXT_SET(ctx, bulk, name, name_length);
    }
    break;
  case MRB_TT_FLOAT :
    grn_obj_reinit(ctx, bulk, GRN_DB_FLOAT, 0);
    GRN_FLOAT_SET(ctx, bulk, mrb_float(mrb_value_));
    break;
  case MRB_TT_STRING :
    grn_obj_reinit(ctx, bulk, GRN_DB_TEXT, 0);
    GRN_TEXT_SET(ctx, bulk, RSTRING_PTR(mrb_value_), RSTRING_LEN(mrb_value_));
    break;
  default :
    mrb_raisef(mrb, E_ARGUMENT_ERROR,
               "unsupported object to convert to bulk: %S",
               mrb_value_);
    break;
  }

  return bulk;
}
Exemple #15
0
static mrb_value
mrb_struct_aset_id(mrb_state *mrb, mrb_value s, mrb_sym id, mrb_value val)
{
  mrb_value members, *ptr, *ptr_members;
  mrb_int i, len;

  members = mrb_struct_members(mrb, s);
  len = RARRAY_LEN(members);
  if (RSTRUCT_LEN(s) != len) {
    mrb_raisef(mrb, E_TYPE_ERROR,
               "struct size differs (%S required %S given)",
               mrb_fixnum_value(len), mrb_fixnum_value(RSTRUCT_LEN(s)));
  }
  ptr = RSTRUCT_PTR(s);
  ptr_members = RARRAY_PTR(members);
  for (i=0; i<len; i++) {
    if (mrb_symbol(ptr_members[i]) == id) {
      ptr[i] = val;
      return val;
    }
  }
  mrb_raisef(mrb, E_INDEX_ERROR, "no member '%S' in struct", mrb_sym2str(mrb, id));
  return val;                   /* not reach */
}
Exemple #16
0
mrb_value
mrb_obj_dup(mrb_state *mrb, mrb_value obj)
{
    struct RBasic *p;
    mrb_value dup;

    if (mrb_special_const_p(obj)) {
        mrb_raisef(mrb, E_TYPE_ERROR, "can't dup %S", obj);
    }
    p = mrb_obj_alloc(mrb, mrb_type(obj), mrb_obj_class(mrb, obj));
    dup = mrb_obj_value(p);
    init_copy(mrb, dup, obj);

    return dup;
}
Exemple #17
0
static mrb_value
mrb_env_getenv(mrb_state *mrb, mrb_value name)
{
  if (mrb_type(name) != MRB_TT_STRING) {
    mrb_raisef(mrb, E_TYPE_ERROR, "can't convert %s into String", mrb_obj_classname(mrb, name));
    return mrb_nil_value();
  }

  char *nam = mrb_string_value_ptr(mrb, name);
  char *env = getenv(nam);
  if (env == NULL) {
    return mrb_nil_value();
  }
  return mrb_str_new2(mrb, env);
}
Exemple #18
0
static mrb_value
thread_set_limit(mrb_state *mrb, mrb_value self)
{
  grn_ctx *ctx = (grn_ctx *)mrb->ud;
  mrb_int limit;

  mrb_get_args(mrb, "i", &limit);
  if (limit < 1) {
    mrb_raisef(mrb, E_ARGUMENT_ERROR,
               "thread limit must be 1 or larger: %S",
               mrb_fixnum_value(limit));
  }
  grn_thread_set_limit_with_ctx(ctx, limit);
  return mrb_nil_value();
}
Exemple #19
0
mrb_value mrb_mraa_uart_write(mrb_state *mrb, mrb_value self) {
  mraa_uart_context uart;
  mraa_result_t result;
  char *string;
  size_t l = 0;
  mrb_get_args(mrb, "s", &string, &l);

  uart = (mraa_uart_context)mrb_data_get_ptr(mrb, self, &mrb_mraa_uart_ctx_type);
  result = mraa_uart_write(uart, string, l);
  if (result < 0) {
    mrb_raisef(mrb, E_RUNTIME_ERROR, "Could not write (err %S)",
               mrb_fixnum_value(result));
  }
  return mrb_fixnum_value(result);
}
Exemple #20
0
MRB_API void
mrb_check_type(mrb_state *mrb, mrb_value x, enum mrb_vtype t)
{
  const struct types *type = builtin_types;
  enum mrb_vtype xt;

  xt = mrb_type(x);
  if ((xt != t) || (xt == MRB_TT_DATA)) {
    while (type->type < MRB_TT_MAXDEFINE) {
      if (type->type == t) {
        const char *etype;

        if (mrb_nil_p(x)) {
          etype = "nil";
        }
        else if (mrb_fixnum_p(x)) {
          etype = "Fixnum";
        }
        else if (mrb_type(x) == MRB_TT_SYMBOL) {
          etype = "Symbol";
        }
        else if (mrb_immediate_p(x)) {
          etype = RSTRING_PTR(mrb_obj_as_string(mrb, x));
        }
        else {
          etype = mrb_obj_classname(mrb, x);
        }
        mrb_raisef(mrb, E_TYPE_ERROR, "wrong argument type %S (expected %S)",
                   mrb_str_new_cstr(mrb, etype), mrb_str_new_cstr(mrb, type->name));
      }
      type++;
    }
    mrb_raisef(mrb, E_TYPE_ERROR, "unknown type %S (%S given)",
               mrb_fixnum_value(t), mrb_fixnum_value(mrb_type(x)));
  }
}
Exemple #21
0
static mrb_value
get_sym_or_str_arg(mrb_state *mrb)
{
  mrb_value sym_or_str;

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

  if (mrb_symbol_p(sym_or_str) || mrb_string_p(sym_or_str)) {
    return sym_or_str;
  } else {
    mrb_value obj = mrb_funcall(mrb, sym_or_str, "inspect", 0);
    mrb_raisef(mrb, E_TYPE_ERROR, "%S is not a symbol", obj);
    return mrb_nil_value();
  }
}
Exemple #22
0
static mrb_value
mrb_struct_aset(mrb_state *mrb, mrb_value s)
{
  mrb_int i;
  mrb_value idx;
  mrb_value val;

  mrb_get_args(mrb, "oo", &idx, &val);

  if (mrb_string_p(idx)) {
    mrb_value sym = mrb_check_intern_str(mrb, idx);

    if (mrb_nil_p(sym)) {
      mrb_name_error(mrb, mrb_intern_str(mrb, idx), "no member '%S' in struct", idx);
    }
    idx = sym;
  }
  if (mrb_symbol_p(idx)) {
    return mrb_struct_aset_sym(mrb, s, mrb_symbol(idx), val);
  }

  i = mrb_int(mrb, idx);
  if (i < 0) i = RSTRUCT_LEN(s) + i;
  if (i < 0) {
    mrb_raisef(mrb, E_INDEX_ERROR,
               "offset %S too small for struct(size:%S)",
               mrb_fixnum_value(i), mrb_fixnum_value(RSTRUCT_LEN(s)));
  }
  if (RSTRUCT_LEN(s) <= i) {
    mrb_raisef(mrb, E_INDEX_ERROR,
               "offset %S too large for struct(size:%S)",
               mrb_fixnum_value(i), mrb_fixnum_value(RSTRUCT_LEN(s)));
  }
  mrb_struct_modify(mrb, s);
  return RSTRUCT_PTR(s)[i] = val;
}
Exemple #23
0
static mrb_value
make_struct(mrb_state *mrb, mrb_value name, mrb_value members, struct RClass * klass)
{
  mrb_value nstr, *ptr_members;
  mrb_sym id;
  mrb_int i, len;
  struct RClass *c;

  if (mrb_nil_p(name)) {
    c = mrb_class_new(mrb, klass);
  }
  else {
    /* old style: should we warn? */
    name = mrb_str_to_str(mrb, name);
    id = mrb_to_id(mrb, name);
    if (!mrb_is_const_id(id)) {
      mrb_raisef(mrb, E_NAME_ERROR, "identifier %s needs to be constant", mrb_string_value_ptr(mrb, name));
    }
    if (mrb_const_defined_at(mrb, klass, id)) {
      mrb_warn("redefining constant Struct::%s", mrb_string_value_ptr(mrb, name));
      //?rb_mod_remove_const(klass, mrb_sym2name(mrb, id));
    }
    c = mrb_define_class_under(mrb, klass, RSTRING_PTR(name), klass);
  }
  MRB_SET_INSTANCE_TT(c, MRB_TT_ARRAY);
  nstr = mrb_obj_value(c);
  mrb_iv_set(mrb, nstr, mrb_intern2(mrb, "__members__", 11), members);

  mrb_define_class_method(mrb, c, "new", mrb_instance_new, ARGS_ANY());
  mrb_define_class_method(mrb, c, "[]", mrb_instance_new, ARGS_ANY());
  mrb_define_class_method(mrb, c, "members", mrb_struct_s_members_m, ARGS_NONE());
  //RSTRUCT(nstr)->basic.c->super = c->c;
  ptr_members = RARRAY_PTR(members);
  len = RARRAY_LEN(members);
  for (i=0; i< len; i++) {
    mrb_sym id = mrb_symbol(ptr_members[i]);
    if (mrb_is_local_id(id) || mrb_is_const_id(id)) {
      if (i < N_REF_FUNC) {
        mrb_define_method_id(mrb, c, id, ref_func[i], ARGS_NONE());
      }
      else {
        mrb_define_method_id(mrb, c, id, mrb_struct_ref, ARGS_NONE());
      }
      mrb_define_method_id(mrb, c, mrb_id_attrset(mrb, id), mrb_struct_set_m, ARGS_REQ(1));
    }
  }
  return nstr;
}
Exemple #24
0
TMO
mrb_timeout_value(mrb_state *mrb, mrb_value tmo)
{
  if (mrb_fixnum_p(tmo)) {
    return (TMO)mrb_fixnum(tmo);
  }
  if (mrb_symbol_p(tmo)) {
    if (mrb_symbol(tmo) == mrb_intern_lit(mrb, "polling")) {
      return (TMO)TMO_POL;
    }
    if (mrb_symbol(tmo) == mrb_intern_lit(mrb, "forever")) {
      return (TMO)TMO_FEVR;
    }
  }
  mrb_raisef(mrb, E_TYPE_ERROR, "wrong timeout value (%S)", tmo);
}
Exemple #25
0
/*
 *  call-seq:
 *     obj.clone -> an_object
 *
 *  Produces a shallow copy of <i>obj</i>---the instance variables of
 *  <i>obj</i> are copied, but not the objects they reference. Copies
 *  the frozen state of <i>obj</i>. See also the discussion
 *  under <code>Object#dup</code>.
 *
 *     class Klass
 *        attr_accessor :str
 *     end
 *     s1 = Klass.new      #=> #<Klass:0x401b3a38>
 *     s1.str = "Hello"    #=> "Hello"
 *     s2 = s1.clone       #=> #<Klass:0x401b3998 @str="Hello">
 *     s2.str[1,4] = "i"   #=> "i"
 *     s1.inspect          #=> "#<Klass:0x401b3a38 @str=\"Hi\">"
 *     s2.inspect          #=> "#<Klass:0x401b3998 @str=\"Hi\">"
 *
 *  This method may have class-specific behavior.  If so, that
 *  behavior will be documented under the #+initialize_copy+ method of
 *  the class.
 *
 *  Some Class(True False Nil Symbol Fixnum Float) Object  cannot clone.
 */
mrb_value
mrb_obj_clone(mrb_state *mrb, mrb_value self)
{
  struct RObject *p;
  mrb_value clone;

  if (mrb_special_const_p(self)) {
      mrb_raisef(mrb, E_TYPE_ERROR, "can't clone %S", self);
  }
  p = (struct RObject*)mrb_obj_alloc(mrb, mrb_type(self), mrb_obj_class(mrb, self));
  p->c = mrb_singleton_class_clone(mrb, self);
  clone = mrb_obj_value(p);
  init_copy(mrb, clone, self);

  return clone;
}
Exemple #26
0
/*
 *  call-seq:
 *     LED.color = col  # => nil
 *
 *  Light LED.
 *
 *  Parameters:
 *    +col+     LED color
 *       LED::OFF
 *       LED::RED
 *       LED::GREEN
 *       LED::ORANGE
 *
 *  Returns nil.
 */
static mrb_value
mrb_led_color(mrb_state *mrb, mrb_value self)
{
  mrb_value cmap = mrb_const_get(mrb, self, mrb_intern_lit(mrb, "COLOR"));
  mrb_sym col;
  mrb_value colv;

  mrb_get_args(mrb, "n", &col);
  colv = mrb_hash_get(mrb, cmap, mrb_symbol_value(col));
  if (mrb_nil_p(colv)) {
    mrb_raisef(mrb, E_ARGUMENT_ERROR, "invalid color :%S", mrb_sym2str(mrb, col));
  }

  ev3_led_set_color(mrb_fixnum(colv));
  return mrb_nil_value();
}
Exemple #27
0
struct RProc*
mrb_method_search(mrb_state *mrb, struct RClass* c, mrb_sym mid)
{
  struct RProc *m;

  m = mrb_method_search_vm(mrb, &c, mid);
  if (!m) {
    mrb_value inspect = mrb_funcall(mrb, mrb_obj_value(c), "inspect", 0);
    if (RSTRING_LEN(inspect) > 64) {
      inspect = mrb_any_to_s(mrb, mrb_obj_value(c));
    }
    mrb_raisef(mrb, E_NAME_ERROR, "undefined method '%s' for class %s",
        mrb_sym2name(mrb, mid), RSTRING_PTR(inspect));
  }
  return m;
}
Exemple #28
0
MRB_API void
mrb_obj_iv_set(mrb_state *mrb, struct RObject *obj, mrb_sym sym, mrb_value v)
{
  iv_tbl *t;

  if (MRB_FROZEN_P(obj)) {
    mrb_raisef(mrb, E_FROZEN_ERROR, "can't modify frozen %S", mrb_obj_value(obj));
  }
  assign_class_name(mrb, obj, sym, v);
  if (!obj->iv) {
    obj->iv = iv_new(mrb);
  }
  t = obj->iv;
  iv_put(mrb, t, sym, v);
  mrb_write_barrier(mrb, (struct RBasic*)obj);
}
Exemple #29
0
static mrb_value
mrb_str_aref_m(mrb_state *mrb, mrb_value str)
{
  mrb_value a1, a2;
  int argc;

  argc = mrb_get_args(mrb, "o|o", &a1, &a2);
  if (argc == 2) {
    regexp_check(mrb, a1);
    return str_substr(mrb, str, mrb_fixnum(a1), mrb_fixnum(a2));
  }
  if (argc != 1) {
    mrb_raisef(mrb, E_ARGUMENT_ERROR, "wrong number of arguments (%S for 1)", mrb_fixnum_value(argc));
  }
  return mrb_str_aref(mrb, str, a1);
}
Exemple #30
0
mrb_value mrb_redis_select(mrb_state *mrb, mrb_value self)
{
    mrb_value database;

    mrb_get_args(mrb, "o", &database);
    redisContext *rc = mrb_redis_get_context(mrb, self);

    if (mrb_type(database) != MRB_TT_FIXNUM) {
      mrb_raisef(mrb, E_TYPE_ERROR, "type mismatch: %S given", database);
    }

    redisReply *rs = redisCommand(rc, "SELECT %d", mrb_fixnum(database));
    freeReplyObject(rs);

    return  self;
}