428 lines
12 KiB
C++
428 lines
12 KiB
C++
/*************************************************************************/
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/* gd_mono_assembly.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_assembly.h"
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#include <mono/metadata/mono-debug.h>
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#include <mono/metadata/tokentype.h>
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#include "list.h"
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#include "os/file_access.h"
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#include "os/os.h"
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#include "../godotsharp_dirs.h"
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#include "gd_mono_class.h"
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bool GDMonoAssembly::no_search = false;
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Vector<String> GDMonoAssembly::search_dirs;
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MonoAssembly *GDMonoAssembly::assembly_search_hook(MonoAssemblyName *aname, void *user_data) {
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return GDMonoAssembly::_search_hook(aname, user_data, false);
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}
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MonoAssembly *GDMonoAssembly::assembly_refonly_search_hook(MonoAssemblyName *aname, void *user_data) {
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return GDMonoAssembly::_search_hook(aname, user_data, true);
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}
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MonoAssembly *GDMonoAssembly::assembly_preload_hook(MonoAssemblyName *aname, char **assemblies_path, void *user_data) {
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return GDMonoAssembly::_preload_hook(aname, assemblies_path, user_data, false);
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}
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MonoAssembly *GDMonoAssembly::assembly_refonly_preload_hook(MonoAssemblyName *aname, char **assemblies_path, void *user_data) {
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return GDMonoAssembly::_preload_hook(aname, assemblies_path, user_data, true);
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}
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MonoAssembly *GDMonoAssembly::_search_hook(MonoAssemblyName *aname, void *user_data, bool refonly) {
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(void)user_data; // UNUSED
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String name = mono_assembly_name_get_name(aname);
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bool has_extension = name.ends_with(".dll") || name.ends_with(".exe");
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if (no_search)
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return NULL;
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GDMonoAssembly **loaded_asm = GDMono::get_singleton()->get_loaded_assembly(has_extension ? name.get_basename() : name);
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if (loaded_asm)
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return (*loaded_asm)->get_assembly();
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no_search = true; // Avoid the recursion madness
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String path;
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GDMonoAssembly *res = NULL;
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for (int i = 0; i < search_dirs.size(); i++) {
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const String &search_dir = search_dirs[i];
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if (has_extension) {
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path = search_dir.plus_file(name);
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if (FileAccess::exists(path)) {
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res = _load_assembly_from(name.get_basename(), path, refonly);
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if (res != NULL)
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break;
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}
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} else {
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path = search_dir.plus_file(name + ".dll");
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if (FileAccess::exists(path)) {
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res = _load_assembly_from(name, path, refonly);
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if (res != NULL)
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break;
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}
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path = search_dir.plus_file(name + ".exe");
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if (FileAccess::exists(path)) {
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res = _load_assembly_from(name, path, refonly);
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if (res != NULL)
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break;
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}
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}
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}
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no_search = false;
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return res ? res->get_assembly() : NULL;
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}
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MonoAssembly *GDMonoAssembly::_preload_hook(MonoAssemblyName *aname, char **assemblies_path, void *user_data, bool refonly) {
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(void)user_data; // UNUSED
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if (search_dirs.empty()) {
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search_dirs.push_back(GodotSharpDirs::get_res_temp_assemblies_dir());
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search_dirs.push_back(GodotSharpDirs::get_res_assemblies_dir());
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search_dirs.push_back(OS::get_singleton()->get_resource_dir());
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search_dirs.push_back(OS::get_singleton()->get_executable_path().get_base_dir());
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#ifdef GD_MONO_EDITOR_ASSEMBLIES_DIR
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search_dirs.push_back(OS::get_singleton()->get_executable_path().get_base_dir().plus_file(_MKSTR(GD_MONO_EDITOR_ASSEMBLIES_DIR)).simplify_path());
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#endif
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const char *rootdir = mono_assembly_getrootdir();
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if (rootdir) {
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search_dirs.push_back(String(rootdir).plus_file("mono").plus_file("4.5"));
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search_dirs.push_back(String(rootdir).plus_file("mono").plus_file("4.5").plus_file("Facades"));
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}
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if (assemblies_path) {
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while (*assemblies_path) {
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search_dirs.push_back(*assemblies_path);
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++assemblies_path;
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}
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}
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}
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String name = mono_assembly_name_get_name(aname);
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bool has_extension = name.ends_with(".dll");
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if (has_extension ? name == "mscorlib.dll" : name == "mscorlib") {
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GDMonoAssembly **stored_assembly = GDMono::get_singleton()->get_loaded_assembly(has_extension ? name.get_basename() : name);
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if (stored_assembly)
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return (*stored_assembly)->get_assembly();
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String path;
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GDMonoAssembly *res = NULL;
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for (int i = 0; i < search_dirs.size(); i++) {
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const String &search_dir = search_dirs[i];
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if (has_extension) {
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path = search_dir.plus_file(name);
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if (FileAccess::exists(path)) {
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res = _load_assembly_from(name.get_basename(), path, refonly);
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if (res != NULL)
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break;
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}
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} else {
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path = search_dir.plus_file(name + ".dll");
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if (FileAccess::exists(path)) {
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res = _load_assembly_from(name, path, refonly);
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if (res != NULL)
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break;
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}
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}
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}
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return res ? res->get_assembly() : NULL;
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}
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return NULL;
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}
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GDMonoAssembly *GDMonoAssembly::_load_assembly_from(const String &p_name, const String &p_path, bool p_refonly) {
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GDMonoAssembly *assembly = memnew(GDMonoAssembly(p_name, p_path));
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Error err = assembly->load(p_refonly);
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if (err != OK) {
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memdelete(assembly);
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ERR_FAIL_V(NULL);
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}
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MonoDomain *domain = mono_domain_get();
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GDMono::get_singleton()->add_assembly(domain ? mono_domain_get_id(domain) : 0, assembly);
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return assembly;
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}
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void GDMonoAssembly::initialize() {
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mono_install_assembly_search_hook(&assembly_search_hook, NULL);
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mono_install_assembly_refonly_search_hook(&assembly_refonly_search_hook, NULL);
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mono_install_assembly_preload_hook(&assembly_preload_hook, NULL);
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mono_install_assembly_refonly_preload_hook(&assembly_refonly_preload_hook, NULL);
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}
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Error GDMonoAssembly::load(bool p_refonly) {
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ERR_FAIL_COND_V(loaded, ERR_FILE_ALREADY_IN_USE);
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refonly = p_refonly;
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uint64_t last_modified_time = FileAccess::get_modified_time(path);
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Vector<uint8_t> data = FileAccess::get_file_as_array(path);
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ERR_FAIL_COND_V(data.empty(), ERR_FILE_CANT_READ);
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String image_filename(path);
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MonoImageOpenStatus status = MONO_IMAGE_OK;
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image = mono_image_open_from_data_with_name(
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(char *)&data[0], data.size(),
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true, &status, refonly,
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image_filename.utf8().get_data());
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ERR_FAIL_COND_V(status != MONO_IMAGE_OK, ERR_FILE_CANT_OPEN);
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ERR_FAIL_NULL_V(image, ERR_FILE_CANT_OPEN);
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#ifdef DEBUG_ENABLED
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String pdb_path(path + ".pdb");
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if (!FileAccess::exists(pdb_path)) {
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pdb_path = path.get_basename() + ".pdb"; // without .dll
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if (!FileAccess::exists(pdb_path))
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goto no_pdb;
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}
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pdb_data.clear();
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pdb_data = FileAccess::get_file_as_array(pdb_path);
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mono_debug_open_image_from_memory(image, &pdb_data[0], pdb_data.size());
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no_pdb:
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#endif
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assembly = mono_assembly_load_from_full(image, image_filename.utf8().get_data(), &status, refonly);
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ERR_FAIL_COND_V(status != MONO_IMAGE_OK || assembly == NULL, ERR_FILE_CANT_OPEN);
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loaded = true;
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modified_time = last_modified_time;
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return OK;
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}
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Error GDMonoAssembly::wrapper_for_image(MonoImage *p_image) {
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ERR_FAIL_COND_V(loaded, ERR_FILE_ALREADY_IN_USE);
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assembly = mono_image_get_assembly(p_image);
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ERR_FAIL_NULL_V(assembly, FAILED);
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image = p_image;
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mono_image_addref(image);
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loaded = true;
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return OK;
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}
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void GDMonoAssembly::unload() {
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ERR_FAIL_COND(!loaded);
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#ifdef DEBUG_ENABLED
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if (pdb_data.size()) {
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mono_debug_close_image(image);
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pdb_data.clear();
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}
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#endif
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for (Map<MonoClass *, GDMonoClass *>::Element *E = cached_raw.front(); E; E = E->next()) {
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memdelete(E->value());
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}
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cached_classes.clear();
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cached_raw.clear();
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mono_image_close(image);
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assembly = NULL;
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image = NULL;
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loaded = false;
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}
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GDMonoClass *GDMonoAssembly::get_class(const StringName &p_namespace, const StringName &p_name) {
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ERR_FAIL_COND_V(!loaded, NULL);
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ClassKey key(p_namespace, p_name);
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GDMonoClass **match = cached_classes.getptr(key);
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if (match)
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return *match;
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MonoClass *mono_class = mono_class_from_name(image, String(p_namespace).utf8(), String(p_name).utf8());
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if (!mono_class)
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return NULL;
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GDMonoClass *wrapped_class = memnew(GDMonoClass(p_namespace, p_name, mono_class, this));
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cached_classes[key] = wrapped_class;
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cached_raw[mono_class] = wrapped_class;
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return wrapped_class;
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}
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GDMonoClass *GDMonoAssembly::get_class(MonoClass *p_mono_class) {
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ERR_FAIL_COND_V(!loaded, NULL);
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Map<MonoClass *, GDMonoClass *>::Element *match = cached_raw.find(p_mono_class);
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if (match)
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return match->value();
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StringName namespace_name = mono_class_get_namespace(p_mono_class);
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StringName class_name = mono_class_get_name(p_mono_class);
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GDMonoClass *wrapped_class = memnew(GDMonoClass(namespace_name, class_name, p_mono_class, this));
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cached_classes[ClassKey(namespace_name, class_name)] = wrapped_class;
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cached_raw[p_mono_class] = wrapped_class;
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return wrapped_class;
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}
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GDMonoClass *GDMonoAssembly::get_object_derived_class(const StringName &p_class) {
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GDMonoClass *match = NULL;
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if (gdobject_class_cache_updated) {
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Map<StringName, GDMonoClass *>::Element *result = gdobject_class_cache.find(p_class);
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if (result)
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match = result->get();
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} else {
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List<GDMonoClass *> nested_classes;
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int rows = mono_image_get_table_rows(image, MONO_TABLE_TYPEDEF);
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for (int i = 1; i < rows; i++) {
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MonoClass *mono_class = mono_class_get(image, (i + 1) | MONO_TOKEN_TYPE_DEF);
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if (!mono_class_is_assignable_from(CACHED_CLASS_RAW(GodotObject), mono_class))
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continue;
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GDMonoClass *current = get_class(mono_class);
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if (!current)
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continue;
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nested_classes.push_back(current);
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if (!match && current->get_name() == p_class)
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match = current;
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while (!nested_classes.empty()) {
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GDMonoClass *current_nested = nested_classes.front()->get();
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nested_classes.pop_back();
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void *iter = NULL;
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while (true) {
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MonoClass *raw_nested = mono_class_get_nested_types(current_nested->get_mono_ptr(), &iter);
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if (!raw_nested)
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break;
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GDMonoClass *nested_class = get_class(raw_nested);
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if (nested_class) {
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gdobject_class_cache.insert(nested_class->get_name(), nested_class);
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nested_classes.push_back(nested_class);
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}
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}
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}
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gdobject_class_cache.insert(current->get_name(), current);
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}
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gdobject_class_cache_updated = true;
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}
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return match;
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}
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GDMonoAssembly *GDMonoAssembly::load_from(const String &p_name, const String &p_path, bool p_refonly) {
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GDMonoAssembly **loaded_asm = GDMono::get_singleton()->get_loaded_assembly(p_name);
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if (loaded_asm)
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return *loaded_asm;
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no_search = true;
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GDMonoAssembly *res = _load_assembly_from(p_name, p_path, p_refonly);
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no_search = false;
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return res;
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}
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GDMonoAssembly::GDMonoAssembly(const String &p_name, const String &p_path) {
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loaded = false;
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gdobject_class_cache_updated = false;
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name = p_name;
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path = p_path;
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refonly = false;
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modified_time = 0;
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assembly = NULL;
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image = NULL;
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}
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GDMonoAssembly::~GDMonoAssembly() {
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if (loaded)
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unload();
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}
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