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godot/modules/mono/mono_gd/gd_mono.cpp

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/*************************************************************************/
/* gd_mono.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "gd_mono.h"
#include <mono/metadata/exception.h>
#include <mono/metadata/mono-config.h>
#include <mono/metadata/mono-debug.h>
#include <mono/metadata/mono-gc.h>
#include "core/os/dir_access.h"
#include "core/os/file_access.h"
#include "core/os/os.h"
#include "core/os/thread.h"
#include "core/project_settings.h"
#include "../csharp_script.h"
#include "../glue/cs_glue_version.gen.h"
#include "../godotsharp_dirs.h"
#include "../utils/path_utils.h"
#include "gd_mono_class.h"
#include "gd_mono_marshal.h"
#include "gd_mono_utils.h"
#ifdef TOOLS_ENABLED
#include "../editor/godotsharp_editor.h"
#include "main/main.h"
#endif
#ifdef MONO_PRINT_HANDLER_ENABLED
void gdmono_MonoPrintCallback(const char *string, mono_bool is_stdout) {
if (is_stdout) {
OS::get_singleton()->print(string);
} else {
OS::get_singleton()->printerr(string);
}
}
#endif
GDMono *GDMono::singleton = NULL;
namespace {
void setup_runtime_main_args() {
CharString execpath = OS::get_singleton()->get_executable_path().utf8();
List<String> cmdline_args = OS::get_singleton()->get_cmdline_args();
List<CharString> cmdline_args_utf8;
Vector<char *> main_args;
main_args.resize(cmdline_args.size() + 1);
main_args.write[0] = execpath.ptrw();
int i = 1;
for (List<String>::Element *E = cmdline_args.front(); E; E = E->next()) {
CharString &stored = cmdline_args_utf8.push_back(E->get().utf8())->get();
main_args.write[i] = stored.ptrw();
i++;
}
mono_runtime_set_main_args(main_args.size(), main_args.ptrw());
}
#ifdef DEBUG_ENABLED
static bool _wait_for_debugger_msecs(uint32_t p_msecs) {
do {
if (mono_is_debugger_attached())
return true;
int last_tick = OS::get_singleton()->get_ticks_msec();
OS::get_singleton()->delay_usec((p_msecs < 25 ? p_msecs : 25) * 1000);
int tdiff = OS::get_singleton()->get_ticks_msec() - last_tick;
if (tdiff > p_msecs) {
p_msecs = 0;
} else {
p_msecs -= tdiff;
}
} while (p_msecs > 0);
return mono_is_debugger_attached();
}
void gdmono_debug_init() {
mono_debug_init(MONO_DEBUG_FORMAT_MONO);
int da_port = GLOBAL_DEF("mono/debugger_agent/port", 23685);
bool da_suspend = GLOBAL_DEF("mono/debugger_agent/wait_for_debugger", false);
int da_timeout = GLOBAL_DEF("mono/debugger_agent/wait_timeout", 3000);
#ifdef TOOLS_ENABLED
if (Engine::get_singleton()->is_editor_hint() ||
ProjectSettings::get_singleton()->get_resource_path().empty() ||
Main::is_project_manager()) {
return;
}
#endif
CharString da_args = String("--debugger-agent=transport=dt_socket,address=127.0.0.1:" + itos(da_port) +
",embedding=1,server=y,suspend=" + (da_suspend ? "y,timeout=" + itos(da_timeout) : "n"))
.utf8();
// --debugger-agent=help
const char *options[] = {
"--soft-breakpoints",
da_args.get_data()
};
mono_jit_parse_options(2, (char **)options);
}
#endif
} // namespace
void GDMono::initialize() {
ERR_FAIL_NULL(Engine::get_singleton());
print_verbose("Mono: Initializing module...");
#ifdef DEBUG_METHODS_ENABLED
_initialize_and_check_api_hashes();
#endif
GDMonoLog::get_singleton()->initialize();
#ifdef MONO_PRINT_HANDLER_ENABLED
mono_trace_set_print_handler(gdmono_MonoPrintCallback);
mono_trace_set_printerr_handler(gdmono_MonoPrintCallback);
#endif
String assembly_rootdir;
String config_dir;
#ifdef TOOLS_ENABLED
#ifdef WINDOWS_ENABLED
mono_reg_info = MonoRegUtils::find_mono();
if (mono_reg_info.assembly_dir.length() && DirAccess::exists(mono_reg_info.assembly_dir)) {
assembly_rootdir = mono_reg_info.assembly_dir;
}
if (mono_reg_info.config_dir.length() && DirAccess::exists(mono_reg_info.config_dir)) {
config_dir = mono_reg_info.config_dir;
}
#elif OSX_ENABLED
const char *c_assembly_rootdir = mono_assembly_getrootdir();
const char *c_config_dir = mono_get_config_dir();
if (!c_assembly_rootdir || !c_config_dir || !DirAccess::exists(c_assembly_rootdir) || !DirAccess::exists(c_config_dir)) {
Vector<const char *> locations;
locations.push_back("/Library/Frameworks/Mono.framework/Versions/Current/");
locations.push_back("/usr/local/var/homebrew/linked/mono/");
for (int i = 0; i < locations.size(); i++) {
String hint_assembly_rootdir = path_join(locations[i], "lib");
String hint_mscorlib_path = path_join(hint_assembly_rootdir, "mono", "4.5", "mscorlib.dll");
String hint_config_dir = path_join(locations[i], "etc");
if (FileAccess::exists(hint_mscorlib_path) && DirAccess::exists(hint_config_dir)) {
need_set_mono_dirs = false;
assembly_rootdir = hint_assembly_rootdir;
config_dir = hint_config_dir;
break;
}
}
}
#endif
#endif // TOOLS_ENABLED
String bundled_assembly_rootdir = GodotSharpDirs::get_data_mono_lib_dir();
String bundled_config_dir = GodotSharpDirs::get_data_mono_etc_dir();
#ifdef TOOLS_ENABLED
if (DirAccess::exists(bundled_assembly_rootdir) && DirAccess::exists(bundled_config_dir)) {
assembly_rootdir = bundled_assembly_rootdir;
config_dir = bundled_config_dir;
}
#else
// These are always the directories in export templates
assembly_rootdir = bundled_assembly_rootdir;
config_dir = bundled_config_dir;
#endif
// Leak if we call mono_set_dirs more than once
mono_set_dirs(assembly_rootdir.length() ? assembly_rootdir.utf8().get_data() : NULL,
config_dir.length() ? config_dir.utf8().get_data() : NULL);
GDMonoAssembly::initialize();
#ifdef DEBUG_ENABLED
gdmono_debug_init();
#endif
mono_config_parse(NULL);
mono_install_unhandled_exception_hook(&unhandled_exception_hook, NULL);
root_domain = mono_jit_init_version("GodotEngine.RootDomain", "v4.0.30319");
ERR_EXPLAIN("Mono: Failed to initialize runtime");
ERR_FAIL_NULL(root_domain);
GDMonoUtils::set_main_thread(GDMonoUtils::get_current_thread());
setup_runtime_main_args(); // Required for System.Environment.GetCommandLineArgs
runtime_initialized = true;
print_verbose("Mono: Runtime initialized");
// mscorlib assembly MUST be present at initialization
ERR_EXPLAIN("Mono: Failed to load mscorlib assembly");
ERR_FAIL_COND(!_load_corlib_assembly());
#ifdef TOOLS_ENABLED
// The tools domain must be loaded here, before the scripts domain.
// Otherwise domain unload on the scripts domain will hang indefinitely.
ERR_EXPLAIN("Mono: Failed to load tools domain");
ERR_FAIL_COND(_load_tools_domain() != OK);
// TODO move to editor init callback, and do it lazily when required before editor init (e.g.: bindings generation)
ERR_EXPLAIN("Mono: Failed to load Editor Tools assembly");
ERR_FAIL_COND(!_load_editor_tools_assembly());
#endif
ERR_EXPLAIN("Mono: Failed to load scripts domain");
ERR_FAIL_COND(_load_scripts_domain() != OK);
#ifdef DEBUG_ENABLED
bool debugger_attached = _wait_for_debugger_msecs(500);
if (!debugger_attached && OS::get_singleton()->is_stdout_verbose())
print_error("Mono: Debugger wait timeout");
#endif
_register_internal_calls();
// The following assemblies are not required at initialization
#ifdef MONO_GLUE_ENABLED
if (_load_api_assemblies()) {
// Everything is fine with the api assemblies, load the project assembly
_load_project_assembly();
} else {
if ((core_api_assembly && (core_api_assembly_out_of_sync || !GDMonoUtils::mono_cache.godot_api_cache_updated))
#ifdef TOOLS_ENABLED
|| (editor_api_assembly && editor_api_assembly_out_of_sync)
#endif
) {
#ifdef TOOLS_ENABLED
// The assembly was successfully loaded, but the full api could not be cached.
// This is most likely an outdated assembly loaded because of an invalid version in the
// metadata, so we invalidate the version in the metadata and unload the script domain.
if (core_api_assembly_out_of_sync) {
ERR_PRINT("The loaded Core API assembly is out of sync");
metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true);
} else if (!GDMonoUtils::mono_cache.godot_api_cache_updated) {
ERR_PRINT("The loaded Core API assembly is in sync, but the cache update failed");
metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true);
}
if (editor_api_assembly_out_of_sync) {
ERR_PRINT("The loaded Editor API assembly is out of sync");
metadata_set_api_assembly_invalidated(APIAssembly::API_EDITOR, true);
}
print_line("Mono: Proceeding to unload scripts domain because of invalid API assemblies.");
Error err = _unload_scripts_domain();
if (err != OK) {
WARN_PRINT("Mono: Failed to unload scripts domain");
}
#else
ERR_PRINT("The loaded API assembly is invalid");
CRASH_NOW();
#endif // TOOLS_ENABLED
}
}
#else
print_verbose("Mono: Glue disabled, ignoring script assemblies.");
#endif // MONO_GLUE_ENABLED
print_verbose("Mono: INITIALIZED");
}
#ifdef MONO_GLUE_ENABLED
namespace GodotSharpBindings {
uint64_t get_core_api_hash();
#ifdef TOOLS_ENABLED
uint64_t get_editor_api_hash();
#endif // TOOLS_ENABLED
uint32_t get_bindings_version();
void register_generated_icalls();
} // namespace GodotSharpBindings
#endif
void GDMono::_register_internal_calls() {
#ifdef MONO_GLUE_ENABLED
GodotSharpBindings::register_generated_icalls();
#endif
#ifdef TOOLS_ENABLED
GodotSharpEditor::register_internal_calls();
#endif
}
#ifdef DEBUG_METHODS_ENABLED
void GDMono::_initialize_and_check_api_hashes() {
api_core_hash = ClassDB::get_api_hash(ClassDB::API_CORE);
#ifdef MONO_GLUE_ENABLED
if (api_core_hash != GodotSharpBindings::get_core_api_hash()) {
ERR_PRINT("Mono: Core API hash mismatch!");
}
#endif
#ifdef TOOLS_ENABLED
api_editor_hash = ClassDB::get_api_hash(ClassDB::API_EDITOR);
#ifdef MONO_GLUE_ENABLED
if (api_editor_hash != GodotSharpBindings::get_editor_api_hash()) {
ERR_PRINT("Mono: Editor API hash mismatch!");
}
#endif
#endif // TOOLS_ENABLED
}
#endif // DEBUG_METHODS_ENABLED
void GDMono::add_assembly(uint32_t p_domain_id, GDMonoAssembly *p_assembly) {
assemblies[p_domain_id][p_assembly->get_name()] = p_assembly;
}
GDMonoAssembly **GDMono::get_loaded_assembly(const String &p_name) {
MonoDomain *domain = mono_domain_get();
uint32_t domain_id = domain ? mono_domain_get_id(domain) : 0;
return assemblies[domain_id].getptr(p_name);
}
bool GDMono::load_assembly(const String &p_name, GDMonoAssembly **r_assembly, bool p_refonly) {
CRASH_COND(!r_assembly);
MonoAssemblyName *aname = mono_assembly_name_new(p_name.utf8());
bool result = load_assembly(p_name, aname, r_assembly, p_refonly);
mono_assembly_name_free(aname);
mono_free(aname);
return result;
}
bool GDMono::load_assembly(const String &p_name, MonoAssemblyName *p_aname, GDMonoAssembly **r_assembly, bool p_refonly) {
CRASH_COND(!r_assembly);
print_verbose("Mono: Loading assembly " + p_name + (p_refonly ? " (refonly)" : "") + "...");
MonoImageOpenStatus status = MONO_IMAGE_OK;
MonoAssembly *assembly = mono_assembly_load_full(p_aname, NULL, &status, p_refonly);
if (!assembly)
return false;
ERR_FAIL_COND_V(status != MONO_IMAGE_OK, false);
uint32_t domain_id = mono_domain_get_id(mono_domain_get());
GDMonoAssembly **stored_assembly = assemblies[domain_id].getptr(p_name);
ERR_FAIL_COND_V(stored_assembly == NULL, false);
ERR_FAIL_COND_V((*stored_assembly)->get_assembly() != assembly, false);
*r_assembly = *stored_assembly;
print_verbose("Mono: Assembly " + p_name + (p_refonly ? " (refonly)" : "") + " loaded from path: " + (*r_assembly)->get_path());
return true;
}
bool GDMono::load_assembly_from(const String &p_name, const String &p_path, GDMonoAssembly **r_assembly, bool p_refonly) {
CRASH_COND(!r_assembly);
print_verbose("Mono: Loading assembly " + p_name + (p_refonly ? " (refonly)" : "") + "...");
GDMonoAssembly *assembly = GDMonoAssembly::load_from(p_name, p_path, p_refonly);
if (!assembly)
return false;
#ifdef DEBUG_ENABLED
uint32_t domain_id = mono_domain_get_id(mono_domain_get());
GDMonoAssembly **stored_assembly = assemblies[domain_id].getptr(p_name);
ERR_FAIL_COND_V(stored_assembly == NULL, false);
ERR_FAIL_COND_V(*stored_assembly != assembly, false);
#endif
*r_assembly = assembly;
print_verbose("Mono: Assembly " + p_name + (p_refonly ? " (refonly)" : "") + " loaded from path: " + (*r_assembly)->get_path());
return true;
}
APIAssembly::Version APIAssembly::Version::get_from_loaded_assembly(GDMonoAssembly *p_api_assembly, APIAssembly::Type p_api_type) {
APIAssembly::Version api_assembly_version;
const char *nativecalls_name = p_api_type == APIAssembly::API_CORE ?
BINDINGS_CLASS_NATIVECALLS :
BINDINGS_CLASS_NATIVECALLS_EDITOR;
GDMonoClass *nativecalls_klass = p_api_assembly->get_class(BINDINGS_NAMESPACE, nativecalls_name);
if (nativecalls_klass) {
GDMonoField *api_hash_field = nativecalls_klass->get_field("godot_api_hash");
if (api_hash_field)
api_assembly_version.godot_api_hash = GDMonoMarshal::unbox<uint64_t>(api_hash_field->get_value(NULL));
GDMonoField *binds_ver_field = nativecalls_klass->get_field("bindings_version");
if (binds_ver_field)
api_assembly_version.bindings_version = GDMonoMarshal::unbox<uint32_t>(binds_ver_field->get_value(NULL));
GDMonoField *cs_glue_ver_field = nativecalls_klass->get_field("cs_glue_version");
if (cs_glue_ver_field)
api_assembly_version.cs_glue_version = GDMonoMarshal::unbox<uint32_t>(cs_glue_ver_field->get_value(NULL));
}
return api_assembly_version;
}
String APIAssembly::to_string(APIAssembly::Type p_type) {
return p_type == APIAssembly::API_CORE ? "API_CORE" : "API_EDITOR";
}
bool GDMono::_load_corlib_assembly() {
if (corlib_assembly)
return true;
bool success = load_assembly("mscorlib", &corlib_assembly);
if (success)
GDMonoUtils::update_corlib_cache();
return success;
}
bool GDMono::_load_core_api_assembly() {
if (core_api_assembly)
return true;
#ifdef TOOLS_ENABLED
if (metadata_is_api_assembly_invalidated(APIAssembly::API_CORE)) {
print_verbose("Mono: Skipping loading of Core API assembly because it was invalidated");
return false;
}
#endif
String assembly_path = GodotSharpDirs::get_res_assemblies_dir().plus_file(API_ASSEMBLY_NAME ".dll");
if (!FileAccess::exists(assembly_path))
return false;
bool success = load_assembly_from(API_ASSEMBLY_NAME,
assembly_path,
&core_api_assembly);
if (success) {
#ifdef MONO_GLUE_ENABLED
APIAssembly::Version api_assembly_ver = APIAssembly::Version::get_from_loaded_assembly(core_api_assembly, APIAssembly::API_CORE);
core_api_assembly_out_of_sync = GodotSharpBindings::get_core_api_hash() != api_assembly_ver.godot_api_hash ||
GodotSharpBindings::get_bindings_version() != api_assembly_ver.bindings_version ||
CS_GLUE_VERSION != api_assembly_ver.cs_glue_version;
if (!core_api_assembly_out_of_sync) {
GDMonoUtils::update_godot_api_cache();
}
#else
GDMonoUtils::update_godot_api_cache();
#endif
}
return success;
}
#ifdef TOOLS_ENABLED
bool GDMono::_load_editor_api_assembly() {
if (editor_api_assembly)
return true;
if (metadata_is_api_assembly_invalidated(APIAssembly::API_EDITOR)) {
print_verbose("Mono: Skipping loading of Editor API assembly because it was invalidated");
return false;
}
String assembly_path = GodotSharpDirs::get_res_assemblies_dir().plus_file(EDITOR_API_ASSEMBLY_NAME ".dll");
if (!FileAccess::exists(assembly_path))
return false;
bool success = load_assembly_from(EDITOR_API_ASSEMBLY_NAME,
assembly_path,
&editor_api_assembly);
if (success) {
#ifdef MONO_GLUE_ENABLED
APIAssembly::Version api_assembly_ver = APIAssembly::Version::get_from_loaded_assembly(editor_api_assembly, APIAssembly::API_EDITOR);
editor_api_assembly_out_of_sync = GodotSharpBindings::get_editor_api_hash() != api_assembly_ver.godot_api_hash ||
GodotSharpBindings::get_bindings_version() != api_assembly_ver.bindings_version ||
CS_GLUE_VERSION != api_assembly_ver.cs_glue_version;
#endif
}
return success;
}
#endif
#ifdef TOOLS_ENABLED
bool GDMono::_load_editor_tools_assembly() {
if (editor_tools_assembly)
return true;
_GDMONO_SCOPE_DOMAIN_(tools_domain)
return load_assembly(EDITOR_TOOLS_ASSEMBLY_NAME, &editor_tools_assembly);
}
#endif
bool GDMono::_load_project_assembly() {
if (project_assembly)
return true;
String name = ProjectSettings::get_singleton()->get("application/config/name");
if (name.empty()) {
name = "UnnamedProject";
}
bool success = load_assembly(name, &project_assembly);
if (success) {
mono_assembly_set_main(project_assembly->get_assembly());
} else {
if (OS::get_singleton()->is_stdout_verbose())
print_error("Mono: Failed to load project assembly");
}
return success;
}
bool GDMono::_load_api_assemblies() {
if (!_load_core_api_assembly()) {
if (OS::get_singleton()->is_stdout_verbose())
print_error("Mono: Failed to load Core API assembly");
return false;
}
if (core_api_assembly_out_of_sync || !GDMonoUtils::mono_cache.godot_api_cache_updated)
return false;
#ifdef TOOLS_ENABLED
if (!_load_editor_api_assembly()) {
if (OS::get_singleton()->is_stdout_verbose())
print_error("Mono: Failed to load Editor API assembly");
return false;
}
if (editor_api_assembly_out_of_sync)
return false;
#endif
return true;
}
#ifdef TOOLS_ENABLED
String GDMono::_get_api_assembly_metadata_path() {
return GodotSharpDirs::get_res_metadata_dir().plus_file("api_assemblies.cfg");
}
void GDMono::metadata_set_api_assembly_invalidated(APIAssembly::Type p_api_type, bool p_invalidated) {
String section = APIAssembly::to_string(p_api_type);
String path = _get_api_assembly_metadata_path();
Ref<ConfigFile> metadata;
metadata.instance();
metadata->load(path);
metadata->set_value(section, "invalidated", p_invalidated);
String assembly_path = GodotSharpDirs::get_res_assemblies_dir()
.plus_file(p_api_type == APIAssembly::API_CORE ?
API_ASSEMBLY_NAME ".dll" :
EDITOR_API_ASSEMBLY_NAME ".dll");
ERR_FAIL_COND(!FileAccess::exists(assembly_path));
uint64_t modified_time = FileAccess::get_modified_time(assembly_path);
metadata->set_value(section, "invalidated_asm_modified_time", String::num_uint64(modified_time));
String dir = path.get_base_dir();
if (!DirAccess::exists(dir)) {
DirAccessRef da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
ERR_FAIL_COND(!da);
Error err = da->make_dir_recursive(ProjectSettings::get_singleton()->globalize_path(dir));
ERR_FAIL_COND(err != OK);
}
Error save_err = metadata->save(path);
ERR_FAIL_COND(save_err != OK);
}
bool GDMono::metadata_is_api_assembly_invalidated(APIAssembly::Type p_api_type) {
String section = APIAssembly::to_string(p_api_type);
Ref<ConfigFile> metadata;
metadata.instance();
metadata->load(_get_api_assembly_metadata_path());
String assembly_path = GodotSharpDirs::get_res_assemblies_dir()
.plus_file(p_api_type == APIAssembly::API_CORE ?
API_ASSEMBLY_NAME ".dll" :
EDITOR_API_ASSEMBLY_NAME ".dll");
if (!FileAccess::exists(assembly_path))
return false;
uint64_t modified_time = FileAccess::get_modified_time(assembly_path);
uint64_t stored_modified_time = metadata->get_value(section, "invalidated_asm_modified_time", 0);
return metadata->get_value(section, "invalidated", false) && modified_time <= stored_modified_time;
}
#endif
Error GDMono::_load_scripts_domain() {
ERR_FAIL_COND_V(scripts_domain != NULL, ERR_BUG);
print_verbose("Mono: Loading scripts domain...");
scripts_domain = GDMonoUtils::create_domain("GodotEngine.ScriptsDomain");
ERR_EXPLAIN("Mono: Could not create scripts app domain");
ERR_FAIL_NULL_V(scripts_domain, ERR_CANT_CREATE);
mono_domain_set(scripts_domain, true);
return OK;
}
Error GDMono::_unload_scripts_domain() {
ERR_FAIL_NULL_V(scripts_domain, ERR_BUG);
print_verbose("Mono: Unloading scripts domain...");
if (mono_domain_get() != root_domain)
mono_domain_set(root_domain, true);
mono_gc_collect(mono_gc_max_generation());
finalizing_scripts_domain = true;
if (!mono_domain_finalize(scripts_domain, 2000)) {
ERR_PRINT("Mono: Domain finalization timeout");
}
finalizing_scripts_domain = false;
mono_gc_collect(mono_gc_max_generation());
_domain_assemblies_cleanup(mono_domain_get_id(scripts_domain));
core_api_assembly = NULL;
project_assembly = NULL;
#ifdef TOOLS_ENABLED
editor_api_assembly = NULL;
#endif
core_api_assembly_out_of_sync = false;
editor_api_assembly_out_of_sync = false;
MonoDomain *domain = scripts_domain;
scripts_domain = NULL;
MonoException *exc = NULL;
mono_domain_try_unload(domain, (MonoObject **)&exc);
if (exc) {
ERR_PRINT("Exception thrown when unloading scripts domain");
GDMonoUtils::debug_unhandled_exception(exc);
return FAILED;
}
return OK;
}
#ifdef TOOLS_ENABLED
Error GDMono::_load_tools_domain() {
ERR_FAIL_COND_V(tools_domain != NULL, ERR_BUG);
print_verbose("Mono: Loading tools domain...");
tools_domain = GDMonoUtils::create_domain("GodotEngine.ToolsDomain");
ERR_EXPLAIN("Mono: Could not create tools app domain");
ERR_FAIL_NULL_V(tools_domain, ERR_CANT_CREATE);
return OK;
}
#endif
#ifdef TOOLS_ENABLED
Error GDMono::reload_scripts_domain() {
ERR_FAIL_COND_V(!runtime_initialized, ERR_BUG);
if (scripts_domain) {
Error err = _unload_scripts_domain();
if (err != OK) {
ERR_PRINT("Mono: Failed to unload scripts domain");
return err;
}
}
Error err = _load_scripts_domain();
if (err != OK) {
ERR_PRINT("Mono: Failed to load scripts domain");
return err;
}
#ifdef MONO_GLUE_ENABLED
if (!_load_api_assemblies()) {
if ((core_api_assembly && (core_api_assembly_out_of_sync || !GDMonoUtils::mono_cache.godot_api_cache_updated)) ||
(editor_api_assembly && editor_api_assembly_out_of_sync)) {
// The assembly was successfully loaded, but the full api could not be cached.
// This is most likely an outdated assembly loaded because of an invalid version in the
// metadata, so we invalidate the version in the metadata and unload the script domain.
if (core_api_assembly_out_of_sync) {
ERR_PRINT("The loaded Core API assembly is out of sync");
metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true);
} else if (!GDMonoUtils::mono_cache.godot_api_cache_updated) {
ERR_PRINT("The loaded Core API assembly is in sync, but the cache update failed");
metadata_set_api_assembly_invalidated(APIAssembly::API_CORE, true);
}
if (editor_api_assembly_out_of_sync) {
ERR_PRINT("The loaded Editor API assembly is out of sync");
metadata_set_api_assembly_invalidated(APIAssembly::API_EDITOR, true);
}
Error err = _unload_scripts_domain();
if (err != OK) {
WARN_PRINT("Mono: Failed to unload scripts domain");
}
return ERR_CANT_RESOLVE;
} else {
return ERR_CANT_OPEN;
}
}
if (!_load_project_assembly()) {
return ERR_CANT_OPEN;
}
#else
print_verbose("Mono: Glue disabled, ignoring script assemblies.");
#endif // MONO_GLUE_ENABLED
return OK;
}
#endif
Error GDMono::finalize_and_unload_domain(MonoDomain *p_domain) {
CRASH_COND(p_domain == NULL);
String domain_name = mono_domain_get_friendly_name(p_domain);
print_verbose("Mono: Unloading domain `" + domain_name + "`...");
if (mono_domain_get() == p_domain)
mono_domain_set(root_domain, true);
mono_gc_collect(mono_gc_max_generation());
if (!mono_domain_finalize(p_domain, 2000)) {
ERR_PRINT("Mono: Domain finalization timeout");
}
mono_gc_collect(mono_gc_max_generation());
_domain_assemblies_cleanup(mono_domain_get_id(p_domain));
MonoException *exc = NULL;
mono_domain_try_unload(p_domain, (MonoObject **)&exc);
if (exc) {
ERR_PRINTS("Exception thrown when unloading domain `" + domain_name + "`");
GDMonoUtils::debug_unhandled_exception(exc);
return FAILED;
}
return OK;
}
GDMonoClass *GDMono::get_class(MonoClass *p_raw_class) {
MonoImage *image = mono_class_get_image(p_raw_class);
if (image == corlib_assembly->get_image())
return corlib_assembly->get_class(p_raw_class);
uint32_t domain_id = mono_domain_get_id(mono_domain_get());
HashMap<String, GDMonoAssembly *> &domain_assemblies = assemblies[domain_id];
const String *k = NULL;
while ((k = domain_assemblies.next(k))) {
GDMonoAssembly *assembly = domain_assemblies.get(*k);
if (assembly->get_image() == image) {
GDMonoClass *klass = assembly->get_class(p_raw_class);
if (klass)
return klass;
}
}
return NULL;
}
void GDMono::_domain_assemblies_cleanup(uint32_t p_domain_id) {
HashMap<String, GDMonoAssembly *> &domain_assemblies = assemblies[p_domain_id];
const String *k = NULL;
while ((k = domain_assemblies.next(k))) {
memdelete(domain_assemblies.get(*k));
}
assemblies.erase(p_domain_id);
}
void GDMono::unhandled_exception_hook(MonoObject *p_exc, void *) {
// This method will be called by the runtime when a thrown exception is not handled.
// It won't be called when we manually treat a thrown exception as unhandled.
// We assume the exception was already printed before calling this hook.
#ifdef DEBUG_ENABLED
GDMonoUtils::debug_send_unhandled_exception_error((MonoException *)p_exc);
if (ScriptDebugger::get_singleton())
ScriptDebugger::get_singleton()->idle_poll();
#endif
abort();
_UNREACHABLE_();
}
GDMono::GDMono() {
singleton = this;
gdmono_log = memnew(GDMonoLog);
runtime_initialized = false;
finalizing_scripts_domain = false;
root_domain = NULL;
scripts_domain = NULL;
#ifdef TOOLS_ENABLED
tools_domain = NULL;
#endif
core_api_assembly_out_of_sync = false;
editor_api_assembly_out_of_sync = false;
corlib_assembly = NULL;
core_api_assembly = NULL;
project_assembly = NULL;
#ifdef TOOLS_ENABLED
editor_api_assembly = NULL;
editor_tools_assembly = NULL;
#endif
#ifdef DEBUG_METHODS_ENABLED
api_core_hash = 0;
#ifdef TOOLS_ENABLED
api_editor_hash = 0;
#endif
#endif
}
GDMono::~GDMono() {
if (is_runtime_initialized()) {
if (scripts_domain) {
Error err = _unload_scripts_domain();
if (err != OK) {
WARN_PRINT("Mono: Failed to unload scripts domain");
}
}
const uint32_t *k = NULL;
while ((k = assemblies.next(k))) {
HashMap<String, GDMonoAssembly *> &domain_assemblies = assemblies.get(*k);
const String *kk = NULL;
while ((kk = domain_assemblies.next(kk))) {
memdelete(domain_assemblies.get(*kk));
}
}
assemblies.clear();
GDMonoUtils::clear_cache();
print_verbose("Mono: Runtime cleanup...");
mono_jit_cleanup(root_domain);
runtime_initialized = false;
}
if (gdmono_log)
memdelete(gdmono_log);
singleton = NULL;
}
_GodotSharp *_GodotSharp::singleton = NULL;
void _GodotSharp::attach_thread() {
GDMonoUtils::attach_current_thread();
}
void _GodotSharp::detach_thread() {
GDMonoUtils::detach_current_thread();
}
int32_t _GodotSharp::get_domain_id() {
MonoDomain *domain = mono_domain_get();
CRASH_COND(!domain); // User must check if runtime is initialized before calling this method
return mono_domain_get_id(domain);
}
int32_t _GodotSharp::get_scripts_domain_id() {
MonoDomain *domain = SCRIPTS_DOMAIN;
CRASH_COND(!domain); // User must check if scripts domain is loaded before calling this method
return mono_domain_get_id(domain);
}
bool _GodotSharp::is_scripts_domain_loaded() {
return GDMono::get_singleton()->is_runtime_initialized() && SCRIPTS_DOMAIN != NULL;
}
bool _GodotSharp::_is_domain_finalizing_for_unload(int32_t p_domain_id) {
return is_domain_finalizing_for_unload(p_domain_id);
}
bool _GodotSharp::is_domain_finalizing_for_unload() {
return is_domain_finalizing_for_unload(mono_domain_get());
}
bool _GodotSharp::is_domain_finalizing_for_unload(int32_t p_domain_id) {
return is_domain_finalizing_for_unload(mono_domain_get_by_id(p_domain_id));
}
bool _GodotSharp::is_domain_finalizing_for_unload(MonoDomain *p_domain) {
if (!p_domain)
return true;
if (p_domain == SCRIPTS_DOMAIN && GDMono::get_singleton()->is_finalizing_scripts_domain())
return true;
return mono_domain_is_unloading(p_domain);
}
bool _GodotSharp::is_runtime_shutting_down() {
return mono_runtime_is_shutting_down();
}
bool _GodotSharp::is_runtime_initialized() {
return GDMono::get_singleton()->is_runtime_initialized();
}
void _GodotSharp::_bind_methods() {
ClassDB::bind_method(D_METHOD("attach_thread"), &_GodotSharp::attach_thread);
ClassDB::bind_method(D_METHOD("detach_thread"), &_GodotSharp::detach_thread);
ClassDB::bind_method(D_METHOD("get_domain_id"), &_GodotSharp::get_domain_id);
ClassDB::bind_method(D_METHOD("get_scripts_domain_id"), &_GodotSharp::get_scripts_domain_id);
ClassDB::bind_method(D_METHOD("is_scripts_domain_loaded"), &_GodotSharp::is_scripts_domain_loaded);
ClassDB::bind_method(D_METHOD("is_domain_finalizing_for_unload", "domain_id"), &_GodotSharp::_is_domain_finalizing_for_unload);
ClassDB::bind_method(D_METHOD("is_runtime_shutting_down"), &_GodotSharp::is_runtime_shutting_down);
ClassDB::bind_method(D_METHOD("is_runtime_initialized"), &_GodotSharp::is_runtime_initialized);
}
_GodotSharp::_GodotSharp() {
singleton = this;
queue_empty = true;
#ifndef NO_THREADS
queue_mutex = Mutex::create();
#endif
}
_GodotSharp::~_GodotSharp() {
singleton = NULL;
if (queue_mutex) {
memdelete(queue_mutex);
}
}
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