mirror of
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265 lines
8.3 KiB
C++
265 lines
8.3 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) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 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_class.h"
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#include "gd_mono_marshal.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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}
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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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GDMonoClassMember::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 GDMonoClassMember::PRIVATE;
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case MONO_METHOD_ATTR_FAM_AND_ASSEM:
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return GDMonoClassMember::PROTECTED_AND_INTERNAL;
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case MONO_METHOD_ATTR_ASSEM:
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return GDMonoClassMember::INTERNAL;
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case MONO_METHOD_ATTR_FAMILY:
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return GDMonoClassMember::PROTECTED;
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case MONO_METHOD_ATTR_PUBLIC:
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return GDMonoClassMember::PUBLIC;
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default:
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ERR_FAIL_V(GDMonoClassMember::PRIVATE);
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}
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}
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void *GDMonoMethod::get_thunk() {
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return mono_method_get_unmanaged_thunk(mono_method);
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}
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MonoObject *GDMonoMethod::invoke(MonoObject *p_object, const Variant **p_params, MonoObject **r_exc) {
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if (get_return_type().type_encoding != MONO_TYPE_VOID || get_parameters_count() > 0) {
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MonoArray *params = mono_array_new(mono_domain_get(), CACHED_CLASS_RAW(MonoObject), get_parameters_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_set(params, MonoObject *, i, boxed_param);
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}
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MonoObject *exc = NULL;
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MonoObject *ret = mono_runtime_invoke_array(mono_method, p_object, 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::print_unhandled_exception(exc);
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}
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}
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return ret;
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} else {
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MonoObject *exc = NULL;
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mono_runtime_invoke(mono_method, p_object, NULL, &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::print_unhandled_exception(exc);
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}
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}
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return NULL;
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}
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}
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MonoObject *GDMonoMethod::invoke(MonoObject *p_object, MonoObject **r_exc) {
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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, MonoObject **r_exc) {
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MonoObject *exc = NULL;
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MonoObject *ret = mono_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::print_unhandled_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 < param_types.size(); ++i) {
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types.push_back(param_types[i]);
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}
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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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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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