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6a85cdf640
Implementation for new Variant types Callable, Signal, StringName. Added support for PackedInt64Array and PackedFloat64Array. Add generation of signal members as events, as well as support for user created signals as events. NOTE: As of now, raising such events will not emit the signal. As such, one must use `EmitSignal` instead of raising the event directly. Removed old ThreadLocal fallback class. It's safe to use thread_local now since it's supported on all minimum versions of compilers we support.
294 lines
9.1 KiB
C++
294 lines
9.1 KiB
C++
/*************************************************************************/
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/* gd_mono_method.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_method.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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void GDMonoMethod::_update_signature() {
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// Apparently MonoMethodSignature needs not to be freed.
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// mono_method_signature caches the result, we don't need to cache it ourselves.
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MonoMethodSignature *method_sig = mono_method_signature(mono_method);
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_update_signature(method_sig);
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}
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void GDMonoMethod::_update_signature(MonoMethodSignature *p_method_sig) {
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params_count = mono_signature_get_param_count(p_method_sig);
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MonoType *ret_type = mono_signature_get_return_type(p_method_sig);
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if (ret_type) {
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return_type.type_encoding = mono_type_get_type(ret_type);
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if (return_type.type_encoding != MONO_TYPE_VOID) {
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MonoClass *ret_type_class = mono_class_from_mono_type(ret_type);
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return_type.type_class = GDMono::get_singleton()->get_class(ret_type_class);
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}
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}
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void *iter = NULL;
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MonoType *param_raw_type;
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while ((param_raw_type = mono_signature_get_params(p_method_sig, &iter)) != NULL) {
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ManagedType param_type;
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param_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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param_type.type_class = GDMono::get_singleton()->get_class(param_type_class);
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param_types.push_back(param_type);
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}
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// clear the cache
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method_info_fetched = false;
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method_info = MethodInfo();
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}
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GDMonoClass *GDMonoMethod::get_enclosing_class() const {
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return GDMono::get_singleton()->get_class(mono_method_get_class(mono_method));
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}
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bool GDMonoMethod::is_static() {
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return mono_method_get_flags(mono_method, NULL) & MONO_METHOD_ATTR_STATIC;
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}
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IMonoClassMember::Visibility GDMonoMethod::get_visibility() {
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switch (mono_method_get_flags(mono_method, NULL) & 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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MonoObject *GDMonoMethod::invoke(MonoObject *p_object, const Variant **p_params, MonoException **r_exc) const {
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MonoException *exc = NULL;
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MonoObject *ret;
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if (params_count > 0) {
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MonoArray *params = mono_array_new(mono_domain_get(), CACHED_CLASS_RAW(MonoObject), params_count);
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for (int i = 0; i < params_count; i++) {
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MonoObject *boxed_param = GDMonoMarshal::variant_to_mono_object(p_params[i], param_types[i]);
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mono_array_setref(params, i, boxed_param);
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}
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ret = GDMonoUtils::runtime_invoke_array(mono_method, p_object, params, &exc);
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} else {
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ret = GDMonoUtils::runtime_invoke(mono_method, p_object, NULL, &exc);
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}
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if (exc) {
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ret = NULL;
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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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MonoObject *GDMonoMethod::invoke(MonoObject *p_object, MonoException **r_exc) const {
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ERR_FAIL_COND_V(get_parameters_count() > 0, NULL);
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return invoke_raw(p_object, NULL, r_exc);
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}
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MonoObject *GDMonoMethod::invoke_raw(MonoObject *p_object, void **p_params, MonoException **r_exc) const {
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MonoException *exc = NULL;
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MonoObject *ret = GDMonoUtils::runtime_invoke(mono_method, p_object, p_params, &exc);
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if (exc) {
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ret = NULL;
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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 GDMonoMethod::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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if (!attributes)
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return false;
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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 *GDMonoMethod::get_attribute(GDMonoClass *p_attr_class) {
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ERR_FAIL_NULL_V(p_attr_class, NULL);
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if (!attrs_fetched)
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fetch_attributes();
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if (!attributes)
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return NULL;
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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 GDMonoMethod::fetch_attributes() {
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ERR_FAIL_COND(attributes != NULL);
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attributes = mono_custom_attrs_from_method(mono_method);
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attrs_fetched = true;
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}
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String GDMonoMethod::get_full_name(bool p_signature) const {
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char *res = mono_method_full_name(mono_method, p_signature);
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String full_name(res);
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mono_free(res);
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return full_name;
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}
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String GDMonoMethod::get_full_name_no_class() const {
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String res;
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MonoMethodSignature *method_sig = mono_method_signature(mono_method);
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char *ret_str = mono_type_full_name(mono_signature_get_return_type(method_sig));
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res += ret_str;
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mono_free(ret_str);
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res += " ";
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res += name;
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res += "(";
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char *sig_desc = mono_signature_get_desc(method_sig, true);
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res += sig_desc;
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mono_free(sig_desc);
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res += ")";
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return res;
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}
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String GDMonoMethod::get_ret_type_full_name() const {
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MonoMethodSignature *method_sig = mono_method_signature(mono_method);
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char *ret_str = mono_type_full_name(mono_signature_get_return_type(method_sig));
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String res = ret_str;
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mono_free(ret_str);
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return res;
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}
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String GDMonoMethod::get_signature_desc(bool p_namespaces) const {
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MonoMethodSignature *method_sig = mono_method_signature(mono_method);
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char *sig_desc = mono_signature_get_desc(method_sig, p_namespaces);
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String res = sig_desc;
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mono_free(sig_desc);
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return res;
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}
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void GDMonoMethod::get_parameter_names(Vector<StringName> &names) const {
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if (params_count > 0) {
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const char **_names = memnew_arr(const char *, params_count);
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mono_method_get_param_names(mono_method, _names);
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for (int i = 0; i < params_count; ++i) {
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names.push_back(StringName(_names[i]));
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}
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memdelete_arr(_names);
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}
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}
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void GDMonoMethod::get_parameter_types(Vector<ManagedType> &types) const {
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for (int i = 0; i < params_count; ++i) {
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types.push_back(param_types[i]);
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}
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}
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const MethodInfo &GDMonoMethod::get_method_info() {
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if (!method_info_fetched) {
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method_info.name = name;
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bool nil_is_variant = false;
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method_info.return_val = PropertyInfo(GDMonoMarshal::managed_to_variant_type(return_type, &nil_is_variant), "");
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if (method_info.return_val.type == Variant::NIL && nil_is_variant)
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method_info.return_val.usage |= PROPERTY_USAGE_NIL_IS_VARIANT;
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Vector<StringName> names;
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get_parameter_names(names);
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for (int i = 0; i < params_count; ++i) {
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nil_is_variant = false;
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PropertyInfo arg_info = PropertyInfo(GDMonoMarshal::managed_to_variant_type(param_types[i], &nil_is_variant), names[i]);
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if (arg_info.type == Variant::NIL && nil_is_variant)
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arg_info.usage |= PROPERTY_USAGE_NIL_IS_VARIANT;
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method_info.arguments.push_back(arg_info);
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}
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// TODO: default arguments
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method_info_fetched = true;
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}
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return method_info;
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}
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GDMonoMethod::GDMonoMethod(StringName p_name, MonoMethod *p_method) {
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name = p_name;
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mono_method = p_method;
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method_info_fetched = false;
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attrs_fetched = false;
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attributes = NULL;
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_update_signature();
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}
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GDMonoMethod::~GDMonoMethod() {
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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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