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GDScript: Rework type check

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This commit is contained in:
Dmitrii Maganov 2023-02-17 01:16:24 +02:00
parent 28db611f0f
commit 8fe023ad93
16 changed files with 504 additions and 195 deletions
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77
modules/gdscript/gdscript_utility_functions.cpp
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@ -523,6 +523,82 @@ struct GDScriptUtilityFunctionsDefinitions {
}
}
}
static inline void is_instance_of(Variant *r_ret, const Variant **p_args, int p_arg_count, Callable::CallError &r_error) {
VALIDATE_ARG_COUNT(2);
if (p_args[1]->get_type() == Variant::INT) {
int builtin_type = *p_args[1];
if (builtin_type < 0 || builtin_type >= Variant::VARIANT_MAX) {
*r_ret = RTR("Invalid type argument for is_instance_of(), use TYPE_* constants for built-in types.");
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 1;
r_error.expected = Variant::NIL;
return;
}
*r_ret = p_args[0]->get_type() == builtin_type;
return;
}
bool was_type_freed = false;
Object *type_object = p_args[1]->get_validated_object_with_check(was_type_freed);
if (was_type_freed) {
*r_ret = RTR("Type argument is a previously freed instance.");
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 1;
r_error.expected = Variant::NIL;
return;
}
if (!type_object) {
*r_ret = RTR("Invalid type argument for is_instance_of(), should be a TYPE_* constant, a class or a script.");
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 1;
r_error.expected = Variant::NIL;
return;
}
bool was_value_freed = false;
Object *value_object = p_args[0]->get_validated_object_with_check(was_value_freed);
if (was_value_freed) {
*r_ret = RTR("Value argument is a previously freed instance.");
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::NIL;
return;
}
if (!value_object) {
*r_ret = false;
return;
}
GDScriptNativeClass *native_type = Object::cast_to<GDScriptNativeClass>(type_object);
if (native_type) {
*r_ret = ClassDB::is_parent_class(value_object->get_class_name(), native_type->get_name());
return;
}
Script *script_type = Object::cast_to<Script>(type_object);
if (script_type) {
bool result = false;
if (value_object->get_script_instance()) {
Script *script_ptr = value_object->get_script_instance()->get_script().ptr();
while (script_ptr) {
if (script_ptr == script_type) {
result = true;
break;
}
script_ptr = script_ptr->get_base_script().ptr();
}
}
*r_ret = result;
return;
}
*r_ret = RTR("Invalid type argument for is_instance_of(), should be a TYPE_* constant, a class or a script.");
r_error.error = Callable::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 1;
r_error.expected = Variant::NIL;
}
};
struct GDScriptUtilityFunctionInfo {
@ -638,6 +714,7 @@ void GDScriptUtilityFunctions::register_functions() {
REGISTER_FUNC_NO_ARGS(print_stack, false, Variant::NIL);
REGISTER_FUNC_NO_ARGS(get_stack, false, Variant::ARRAY);
REGISTER_FUNC(len, true, Variant::INT, VARARG("var"));
REGISTER_FUNC(is_instance_of, true, Variant::BOOL, VARARG("value"), VARARG("type"));
}
void GDScriptUtilityFunctions::unregister_functions() {