Godot uses Variant parameters for calls to script methods. Up until now we were boxing such parameters when marshalling them for invokation, even if they were value types. Now Godot allocates the marshalled parameters on the stack, reducing the GC allocations resulted from boxing.
204 lines
6.9 KiB
C++
204 lines
6.9 KiB
C++
/*************************************************************************/
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/* gd_mono_property.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "gd_mono_property.h"
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#include "gd_mono_cache.h"
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#include "gd_mono_class.h"
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#include "gd_mono_marshal.h"
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#include "gd_mono_utils.h"
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#include <mono/metadata/attrdefs.h>
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GDMonoProperty::GDMonoProperty(MonoProperty *p_mono_property, GDMonoClass *p_owner) {
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owner = p_owner;
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mono_property = p_mono_property;
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name = mono_property_get_name(mono_property);
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MonoMethod *prop_method = mono_property_get_get_method(mono_property);
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if (prop_method) {
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MonoMethodSignature *getter_sig = mono_method_signature(prop_method);
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MonoType *ret_type = mono_signature_get_return_type(getter_sig);
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type.type_encoding = mono_type_get_type(ret_type);
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MonoClass *ret_type_class = mono_class_from_mono_type(ret_type);
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type.type_class = GDMono::get_singleton()->get_class(ret_type_class);
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} else {
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prop_method = mono_property_get_set_method(mono_property);
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MonoMethodSignature *setter_sig = mono_method_signature(prop_method);
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void *iter = nullptr;
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MonoType *param_raw_type = mono_signature_get_params(setter_sig, &iter);
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type.type_encoding = mono_type_get_type(param_raw_type);
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MonoClass *param_type_class = mono_class_from_mono_type(param_raw_type);
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type.type_class = GDMono::get_singleton()->get_class(param_type_class);
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}
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attrs_fetched = false;
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attributes = nullptr;
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}
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GDMonoProperty::~GDMonoProperty() {
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if (attributes) {
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mono_custom_attrs_free(attributes);
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}
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}
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bool GDMonoProperty::is_static() {
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MonoMethod *prop_method = mono_property_get_get_method(mono_property);
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if (prop_method == nullptr) {
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prop_method = mono_property_get_set_method(mono_property);
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}
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return mono_method_get_flags(prop_method, nullptr) & MONO_METHOD_ATTR_STATIC;
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}
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IMonoClassMember::Visibility GDMonoProperty::get_visibility() {
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MonoMethod *prop_method = mono_property_get_get_method(mono_property);
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if (prop_method == nullptr) {
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prop_method = mono_property_get_set_method(mono_property);
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}
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switch (mono_method_get_flags(prop_method, nullptr) & MONO_METHOD_ATTR_ACCESS_MASK) {
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case MONO_METHOD_ATTR_PRIVATE:
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return IMonoClassMember::PRIVATE;
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case MONO_METHOD_ATTR_FAM_AND_ASSEM:
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return IMonoClassMember::PROTECTED_AND_INTERNAL;
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case MONO_METHOD_ATTR_ASSEM:
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return IMonoClassMember::INTERNAL;
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case MONO_METHOD_ATTR_FAMILY:
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return IMonoClassMember::PROTECTED;
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case MONO_METHOD_ATTR_PUBLIC:
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return IMonoClassMember::PUBLIC;
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default:
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ERR_FAIL_V(IMonoClassMember::PRIVATE);
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}
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}
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bool GDMonoProperty::has_attribute(GDMonoClass *p_attr_class) {
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ERR_FAIL_NULL_V(p_attr_class, false);
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if (!attrs_fetched) {
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fetch_attributes();
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}
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if (!attributes) {
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return false;
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}
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return mono_custom_attrs_has_attr(attributes, p_attr_class->get_mono_ptr());
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}
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MonoObject *GDMonoProperty::get_attribute(GDMonoClass *p_attr_class) {
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ERR_FAIL_NULL_V(p_attr_class, nullptr);
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if (!attrs_fetched) {
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fetch_attributes();
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}
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if (!attributes) {
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return nullptr;
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}
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return mono_custom_attrs_get_attr(attributes, p_attr_class->get_mono_ptr());
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}
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void GDMonoProperty::fetch_attributes() {
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ERR_FAIL_COND(attributes != nullptr);
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attributes = mono_custom_attrs_from_property(owner->get_mono_ptr(), mono_property);
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attrs_fetched = true;
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}
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bool GDMonoProperty::has_getter() {
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return mono_property_get_get_method(mono_property) != nullptr;
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}
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bool GDMonoProperty::has_setter() {
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return mono_property_get_set_method(mono_property) != nullptr;
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}
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void GDMonoProperty::set_value(MonoObject *p_object, MonoObject *p_value, MonoException **r_exc) {
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MonoMethod *prop_method = mono_property_get_set_method(mono_property);
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void *params[1] = { p_value };
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MonoException *exc = nullptr;
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GDMonoUtils::runtime_invoke(prop_method, p_object, params, &exc);
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if (exc) {
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if (r_exc) {
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*r_exc = exc;
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} else {
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GDMonoUtils::set_pending_exception(exc);
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}
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}
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}
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void GDMonoProperty::set_value(MonoObject *p_object, void **p_params, MonoException **r_exc) {
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MonoException *exc = nullptr;
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GDMonoUtils::property_set_value(mono_property, p_object, p_params, &exc);
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if (exc) {
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if (r_exc) {
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*r_exc = exc;
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} else {
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GDMonoUtils::set_pending_exception(exc);
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}
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}
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}
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MonoObject *GDMonoProperty::get_value(MonoObject *p_object, MonoException **r_exc) {
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MonoException *exc = nullptr;
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MonoObject *ret = GDMonoUtils::property_get_value(mono_property, p_object, nullptr, &exc);
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if (exc) {
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ret = nullptr;
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if (r_exc) {
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*r_exc = exc;
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} else {
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GDMonoUtils::set_pending_exception(exc);
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}
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}
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return ret;
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}
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bool GDMonoProperty::get_bool_value(MonoObject *p_object) {
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return (bool)GDMonoMarshal::unbox<MonoBoolean>(get_value(p_object));
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}
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int GDMonoProperty::get_int_value(MonoObject *p_object) {
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return GDMonoMarshal::unbox<int32_t>(get_value(p_object));
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}
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String GDMonoProperty::get_string_value(MonoObject *p_object) {
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MonoObject *val = get_value(p_object);
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return GDMonoMarshal::mono_string_to_godot((MonoString *)val);
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}
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