Function replace_variant_constants

compat/fake_csharp_script.cpp:328–361

}

String replace_variant_constants(const String &p_string) {
	String new_string = p_string;
	Ref<RegEx> re = memnew(RegEx());
	re->compile("\\b([A-Za-z_][A-Za-z0-9_]+)\\.([A-Za-z_][A-Za-z0-9_]+)\\b");
	Ref<RegExMatch> match = re->search(new_string);
	while (match.is_valid()) {
		auto start = match->get_start(0);
		auto end = match->get_end(0);
		String type_name = match->get_string(1);
		Variant::Type type = string_to_variant_type(type_name);
		if (type == Variant::VARIANT_MAX) {
			match = re->search(new_string, end);
			continue;
		}
		String constant_name = match->get_string(2);
		if (!Variant::has_constant(type, constant_name)) {
			match = re->search(new_string, end);
			continue;
		}
		Variant constant = Variant::get_constant_value(type, constant_name);
		if (constant == Variant()) {
			match = re->search(new_string, end);
			continue;
		}
		String old_string = new_string;
		new_string = new_string.substr(0, start) + constant.get_construct_string() + new_string.substr(end);
		if (new_string == old_string) {
			match = re->search(new_string, end);
			continue;
		}
		match = re->search(new_string);
	}
	return new_string;
}

bool parse_expression(const String &p_expression, Variant &r_value) {
	Ref<Expression> expr = Ref<Expression>(memnew(Expression()));