C++ (Cpp) rb_define_method_id示例

示例#1

文件： struct.c 项目： charneykaye/learning-ruby-on-rails

static VALUE
setup_struct(VALUE nstr, VALUE members)
{
    const VALUE *ptr_members;
    long i, len;

    OBJ_FREEZE(members);
    rb_ivar_set(nstr, id_members, members);

    rb_define_alloc_func(nstr, struct_alloc);
    rb_define_singleton_method(nstr, "new", rb_class_new_instance, -1);
    rb_define_singleton_method(nstr, "[]", rb_class_new_instance, -1);
    rb_define_singleton_method(nstr, "members", rb_struct_s_members_m, 0);
    ptr_members = RARRAY_CONST_PTR(members);
    len = RARRAY_LEN(members);
    for (i=0; i< len; i++) {
        ID id = SYM2ID(ptr_members[i]);
        if (i < N_REF_FUNC) {
            rb_define_method_id(nstr, id, ref_func[i], 0);
        }
        else {
            rb_define_method_id(nstr, id, rb_struct_ref, 0);
        }
        rb_define_method_id(nstr, rb_id_attrset(id), rb_struct_set, 1);
    }

    return nstr;
}

示例#2

static VALUE
make_struct(VALUE name, VALUE members, VALUE klass)
{
    VALUE nstr, *ptr_members;
    ID id;
    long i, len;

    OBJ_FREEZE(members);
    if (NIL_P(name)) {
	nstr = rb_class_new(klass);
	rb_make_metaclass(nstr, RBASIC(klass)->klass);
	rb_class_inherited(klass, nstr);
    }
    else {
	/* old style: should we warn? */
	name = rb_str_to_str(name);
	id = rb_to_id(name);
	if (!rb_is_const_id(id)) {
	    rb_name_error(id, "identifier %s needs to be constant", StringValuePtr(name));
	}
	if (rb_const_defined_at(klass, id)) {
	    rb_warn("redefining constant Struct::%s", StringValuePtr(name));
	    rb_mod_remove_const(klass, ID2SYM(id));
	}
	nstr = rb_define_class_id_under(klass, id, klass);
    }
    rb_ivar_set(nstr, id_members, members);

    rb_define_alloc_func(nstr, struct_alloc);
    rb_define_singleton_method(nstr, "new", rb_class_new_instance, -1);
    rb_define_singleton_method(nstr, "[]", rb_class_new_instance, -1);
    rb_define_singleton_method(nstr, "members", rb_struct_s_members_m, 0);
    ptr_members = RARRAY_PTR(members);
    len = RARRAY_LEN(members);
    for (i=0; i< len; i++) {
	ID id = SYM2ID(ptr_members[i]);
	if (rb_is_local_id(id) || rb_is_const_id(id)) {
	    if (i < N_REF_FUNC) {
		rb_define_method_id(nstr, id, ref_func[i], 0);
	    }
	    else {
		rb_define_method_id(nstr, id, rb_struct_ref, 0);
	    }
	    rb_define_method_id(nstr, rb_id_attrset(id), rb_struct_set, 1);
	}
    }

    return nstr;
}

示例#3

文件： struct.c 项目： asimoov/emscripted-ruby

static VALUE
make_struct(VALUE name, VALUE members, VALUE klass)
{
    VALUE nstr;
    ID id;
    long i;

    OBJ_FREEZE(members);
    if (NIL_P(name)) {
	nstr = rb_class_new(klass);
	rb_make_metaclass(nstr, RBASIC(klass)->klass);
	rb_class_inherited(klass, nstr);
    }
    else {
	char *cname = StringValuePtr(name);
	id = rb_intern(cname);
	if (!rb_is_const_id(id)) {
	    rb_name_error(id, "identifier %s needs to be constant", cname);
	}
	if (rb_const_defined_at(klass, id)) {
	    rb_warn("redefining constant Struct::%s", cname);
	    rb_mod_remove_const(klass, ID2SYM(id));
	}
	nstr = rb_define_class_under(klass, rb_id2name(id), klass);
    }
    rb_iv_set(nstr, "__size__", LONG2NUM(RARRAY(members)->len));
    rb_iv_set(nstr, "__members__", members);

    rb_define_alloc_func(nstr, struct_alloc);
    rb_define_singleton_method(nstr, "new", rb_class_new_instance, -1);
    rb_define_singleton_method(nstr, "[]", rb_class_new_instance, -1);
    rb_define_singleton_method(nstr, "members", rb_struct_s_members_m, 0);
    for (i=0; i< RARRAY(members)->len; i++) {
	ID id = SYM2ID(RARRAY(members)->ptr[i]);
	if (rb_is_local_id(id) || rb_is_const_id(id)) {
	    if (i<10) {
		rb_define_method_id(nstr, id, ref_func[i], 0);
	    }
	    else {
		rb_define_method_id(nstr, id, rb_struct_ref, 0);
	    }
	    rb_define_method_id(nstr, rb_id_attrset(id), rb_struct_set, 1);
	}
    }

    return nstr;
}