Exemplos de SPECIAL_SINGLETON em C++ (Cpp)

Exemplo n.º 1

Arquivo: class.c Projeto: genki/ruby

VALUE
rb_singleton_class(VALUE obj)
{
    VALUE klass;

    if (FIXNUM_P(obj) || SYMBOL_P(obj)) {
	rb_raise(rb_eTypeError, "can't define singleton");
    }
    if (rb_special_const_p(obj)) {
	SPECIAL_SINGLETON(Qnil, rb_cNilClass);
	SPECIAL_SINGLETON(Qfalse, rb_cFalseClass);
	SPECIAL_SINGLETON(Qtrue, rb_cTrueClass);
	rb_bug("unknown immediate %ld", obj);
    }

    DEFER_INTS;
    if (FL_TEST(RBASIC(obj)->klass, FL_SINGLETON) &&
	rb_iv_get(RBASIC(obj)->klass, "__attached__") == obj) {
	klass = RBASIC(obj)->klass;
    }
    else {
	klass = rb_make_metaclass(obj, RBASIC(obj)->klass);
    }
    if (OBJ_TAINTED(obj)) {
	OBJ_TAINT(klass);
    }
    else {
	FL_UNSET(klass, FL_TAINT);
    }
    if (OBJ_FROZEN(obj)) OBJ_FREEZE(klass);
    ALLOW_INTS;

    return klass;
}

Exemplo n.º 2

Arquivo: class.c Projeto: MSch/MacRuby

VALUE
rb_singleton_class(VALUE obj)
{
    if (FIXNUM_P(obj) || SYMBOL_P(obj) || FIXFLOAT_P(obj)) {
	rb_raise(rb_eTypeError, "can't define singleton");
    }
    if (rb_special_const_p(obj)) {
	SPECIAL_SINGLETON(Qnil, rb_cNilClass);
	SPECIAL_SINGLETON(Qfalse, rb_cFalseClass);
	SPECIAL_SINGLETON(Qtrue, rb_cTrueClass);
	rb_bug("unknown immediate %ld", obj);
    }

    VALUE klass;
    switch (TYPE(obj)) {
	case T_CLASS:
	case T_MODULE:
	    // FIXME we should really create a new metaclass here.
	    klass = *(VALUE *)obj;
	    break;

	default:
	    klass = rb_make_metaclass(obj, RBASIC(obj)->klass);
	    break;
    }
    return klass;
}

Exemplo n.º 3

Arquivo: class.c Projeto: Danylyuk/first_app

static inline VALUE
special_singleton_class_of(VALUE obj)
{
    SPECIAL_SINGLETON(Qnil, rb_cNilClass);
    SPECIAL_SINGLETON(Qfalse, rb_cFalseClass);
    SPECIAL_SINGLETON(Qtrue, rb_cTrueClass);
    return Qnil;
}

Exemplo n.º 4

Arquivo: class.c Projeto: technohippy/oruby

VALUE
rb_singleton_class(VALUE obj)
{
    VALUE klass;
    ID attached;

    if (FIXNUM_P(obj) || SYMBOL_P(obj)) {
	rb_raise(rb_eTypeError, "can't define singleton");
    }
    if (rb_special_const_p(obj)) {
	SPECIAL_SINGLETON(Qnil, rb_cNilClass);
	SPECIAL_SINGLETON(Qfalse, rb_cFalseClass);
	SPECIAL_SINGLETON(Qtrue, rb_cTrueClass);
	rb_bug("unknown immediate %ld", obj);
    }

    CONST_ID(attached, "__attached__");
    if (FL_TEST(RBASIC(obj)->klass, FL_SINGLETON) &&
	rb_ivar_get(RBASIC(obj)->klass, attached) == obj) {
	klass = RBASIC(obj)->klass;
    }
    else {
	klass = rb_make_metaclass(obj, RBASIC(obj)->klass);
    }

    if (BUILTIN_TYPE(obj) == T_CLASS) {
	if (rb_iv_get(RBASIC(klass)->klass, "__attached__") != klass)
	    make_metametaclass(klass);
    }
    if (OBJ_TAINTED(obj)) {
	OBJ_TAINT(klass);
    }
    else {
	FL_UNSET(klass, FL_TAINT);
    }
    if (OBJ_UNTRUSTED(obj)) {
	OBJ_UNTRUST(klass);
    }
    else {
	FL_UNSET(klass, FL_UNTRUSTED);
    }
    if (OBJ_FROZEN(obj)) OBJ_FREEZE(klass);

    return klass;
}

Exemplo n.º 5

Arquivo: class.c Projeto: fi8on/ruby

/*!
 * \internal
 * Returns the singleton class of \a obj. Creates it if necessary.
 *
 * \note DO NOT expose the returned singleton class to
 *       outside of class.c.
 *       Use \ref rb_singleton_class instead for
 *       consistency of the metaclass hierarchy.
 */
static VALUE
singleton_class_of(VALUE obj)
{
    VALUE klass;

    if (FIXNUM_P(obj) || SYMBOL_P(obj)) {
	rb_raise(rb_eTypeError, "can't define singleton");
    }
    if (rb_special_const_p(obj)) {
	SPECIAL_SINGLETON(Qnil, rb_cNilClass);
	SPECIAL_SINGLETON(Qfalse, rb_cFalseClass);
	SPECIAL_SINGLETON(Qtrue, rb_cTrueClass);
	rb_bug("unknown immediate %p", (void *)obj);
    }

    if (FL_TEST(RBASIC(obj)->klass, FL_SINGLETON) &&
	rb_ivar_get(RBASIC(obj)->klass, id_attached) == obj) {
	klass = RBASIC(obj)->klass;
    }
    else {
	klass = rb_make_metaclass(obj, RBASIC(obj)->klass);
    }

    if (OBJ_TAINTED(obj)) {
	OBJ_TAINT(klass);
    }
    else {
	FL_UNSET(klass, FL_TAINT);
    }
    if (OBJ_UNTRUSTED(obj)) {
	OBJ_UNTRUST(klass);
    }
    else {
	FL_UNSET(klass, FL_UNTRUSTED);
    }
    if (OBJ_FROZEN(obj)) OBJ_FREEZE(klass);

    return klass;
}