summaryrefslogtreecommitdiff
path: root/modules/mono/csharp_script.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'modules/mono/csharp_script.cpp')
-rw-r--r--modules/mono/csharp_script.cpp1853
1 files changed, 1853 insertions, 0 deletions
diff --git a/modules/mono/csharp_script.cpp b/modules/mono/csharp_script.cpp
new file mode 100644
index 0000000000..67b4e67e2b
--- /dev/null
+++ b/modules/mono/csharp_script.cpp
@@ -0,0 +1,1853 @@
+/*************************************************************************/
+/* csharp_script.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2017 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 "csharp_script.h"
+
+#include <mono/metadata/threads.h>
+
+#include "os/file_access.h"
+#include "os/os.h"
+#include "os/thread.h"
+#include "project_settings.h"
+
+#ifdef TOOLS_ENABLED
+#include "editor/bindings_generator.h"
+#include "editor/csharp_project.h"
+#include "editor/editor_node.h"
+#include "editor/godotsharp_editor.h"
+#endif
+
+#include "godotsharp_dirs.h"
+#include "mono_gd/gd_mono_class.h"
+#include "mono_gd/gd_mono_marshal.h"
+#include "signal_awaiter_utils.h"
+
+#define CACHED_STRING_NAME(m_var) (CSharpLanguage::get_singleton()->string_names.m_var)
+
+CSharpLanguage *CSharpLanguage::singleton = NULL;
+
+String CSharpLanguage::get_name() const {
+
+ return "C#";
+}
+
+String CSharpLanguage::get_type() const {
+
+ return "CSharpScript";
+}
+
+String CSharpLanguage::get_extension() const {
+
+ return "cs";
+}
+
+Error CSharpLanguage::execute_file(const String &p_path) {
+
+ // ??
+ return OK;
+}
+
+#ifdef TOOLS_ENABLED
+void gdsharp_editor_init_callback() {
+
+ EditorNode *editor = EditorNode::get_singleton();
+ editor->add_child(memnew(GodotSharpEditor(editor)));
+}
+#endif
+
+void CSharpLanguage::init() {
+
+ gdmono = memnew(GDMono);
+ gdmono->initialize();
+
+#ifdef MONO_GLUE_DISABLED
+ WARN_PRINT("This binary is built with `mono_glue=no` and cannot be used for scripting");
+#endif
+
+#if defined(TOOLS_ENABLED) && defined(DEBUG_METHODS_ENABLED)
+ if (gdmono->get_editor_tools_assembly() != NULL) {
+ List<String> cmdline_args = OS::get_singleton()->get_cmdline_args();
+ BindingsGenerator::handle_cmdline_args(cmdline_args);
+ }
+#endif
+
+#ifdef TOOLS_ENABLED
+ EditorNode::add_init_callback(&gdsharp_editor_init_callback);
+#endif
+}
+
+void CSharpLanguage::finish() {
+
+ if (gdmono) {
+ memdelete(gdmono);
+ gdmono = NULL;
+ }
+}
+
+void CSharpLanguage::get_reserved_words(List<String> *p_words) const {
+
+ static const char *_reserved_words[] = {
+ // Reserved keywords
+ "abstract",
+ "as",
+ "base",
+ "bool",
+ "break",
+ "byte",
+ "case",
+ "catch",
+ "char",
+ "checked",
+ "class",
+ "const",
+ "continue",
+ "decimal",
+ "default",
+ "delegate",
+ "do",
+ "double",
+ "else",
+ "enum",
+ "event",
+ "explicit",
+ "extern",
+ "false",
+ "finally",
+ "fixed",
+ "float",
+ "for",
+ "forech",
+ "goto",
+ "if",
+ "implicit",
+ "in",
+ "int",
+ "interface",
+ "internal",
+ "is",
+ "lock",
+ "long",
+ "namespace",
+ "new",
+ "null",
+ "object",
+ "operator",
+ "out",
+ "override",
+ "params",
+ "private",
+ "protected",
+ "public",
+ "readonly",
+ "ref",
+ "return",
+ "sbyte",
+ "sealed",
+ "short",
+ "sizeof",
+ "stackalloc",
+ "static",
+ "string",
+ "struct",
+ "switch",
+ "this",
+ "throw",
+ "true",
+ "try",
+ "typeof",
+ "uint",
+ "ulong",
+ "unchecked",
+ "unsafe",
+ "ushort",
+ "using",
+ "virtual",
+ "volatile",
+ "void",
+ "while",
+
+ // Contextual keywords. Not reserved words, but I guess we should include
+ // them because this seems to be used only for syntax highlighting.
+ "add",
+ "ascending",
+ "by",
+ "descending",
+ "dynamic",
+ "equals",
+ "from",
+ "get",
+ "global",
+ "group",
+ "in",
+ "into",
+ "join",
+ "let",
+ "on",
+ "orderby",
+ "partial",
+ "remove",
+ "select",
+ "set",
+ "value",
+ "var",
+ "where",
+ "yield",
+ 0
+ };
+
+ const char **w = _reserved_words;
+
+ while (*w) {
+ p_words->push_back(*w);
+ w++;
+ }
+}
+
+void CSharpLanguage::get_comment_delimiters(List<String> *p_delimiters) const {
+
+ p_delimiters->push_back("//"); // single-line comment
+ p_delimiters->push_back("/* */"); // delimited comment
+}
+
+void CSharpLanguage::get_string_delimiters(List<String> *p_delimiters) const {
+
+ p_delimiters->push_back("' '"); // character literal
+ p_delimiters->push_back("\" \""); // regular string literal
+ p_delimiters->push_back("@\" \""); // verbatim string literal
+}
+
+Ref<Script> CSharpLanguage::get_template(const String &p_class_name, const String &p_base_class_name) const {
+
+ String script_template = "using " BINDINGS_NAMESPACE ";\n"
+ "using System;\n"
+ "\n"
+ "public class %CLASS_NAME% : %BASE_CLASS_NAME%\n"
+ "{\n"
+ " // Member variables here, example:\n"
+ " // private int a = 2;\n"
+ " // private string b = \"textvar\";\n"
+ "\n"
+ " public override void _Ready()\n"
+ " {\n"
+ " // Called every time the node is added to the scene.\n"
+ " // Initialization here\n"
+ " \n"
+ " }\n"
+ "}\n";
+
+ script_template = script_template.replace("%BASE_CLASS_NAME%", p_base_class_name).replace("%CLASS_NAME%", p_class_name);
+
+ Ref<CSharpScript> script;
+ script.instance();
+ script->set_source_code(script_template);
+
+ return script;
+}
+
+Script *CSharpLanguage::create_script() const {
+
+ return memnew(CSharpScript);
+}
+
+bool CSharpLanguage::has_named_classes() const {
+
+ return true;
+}
+
+String CSharpLanguage::make_function(const String &p_class, const String &p_name, const PoolStringArray &p_args) const {
+
+ // FIXME
+ // Due to Godot's API limitation this just appends the function to the end of the file
+ // Another limitation is that the parameter types are not specified, so we must use System.Object
+ String s = "private void " + p_name + "(";
+ for (int i = 0; i < p_args.size(); i++) {
+ if (i > 0)
+ s += ", ";
+ s += "object " + p_args[i];
+ }
+ s += ")\n{\n // Replace with function body\n}\n";
+
+ return s;
+}
+
+void CSharpLanguage::frame() {
+
+ const Ref<MonoGCHandle> &task_scheduler_handle = GDMonoUtils::mono_cache.task_scheduler_handle;
+
+ if (task_scheduler_handle.is_valid()) {
+ MonoObject *task_scheduler = task_scheduler_handle->get_target();
+
+ if (task_scheduler) {
+ GDMonoUtils::GodotTaskScheduler_Activate thunk = CACHED_METHOD_THUNK(GodotTaskScheduler, Activate);
+
+ ERR_FAIL_NULL(thunk);
+
+ MonoObject *ex;
+ thunk(task_scheduler, &ex);
+
+ if (ex) {
+ mono_print_unhandled_exception(ex);
+ ERR_FAIL();
+ }
+ }
+ }
+}
+
+struct CSharpScriptDepSort {
+
+ // must support sorting so inheritance works properly (parent must be reloaded first)
+ bool operator()(const Ref<CSharpScript> &A, const Ref<CSharpScript> &B) const {
+ if (A == B)
+ return false; // shouldn't happen but..
+ GDMonoClass *I = B->base;
+ while (I) {
+ if (I == A->script_class) {
+ // A is a base of B
+ return true;
+ }
+
+ I = I->get_parent_class();
+ }
+
+ return false; // not a base
+ }
+};
+
+void CSharpLanguage::reload_all_scripts() {
+
+#ifdef DEBUG_ENABLED
+
+#ifndef NO_THREADS
+ lock->lock();
+#endif
+
+ List<Ref<CSharpScript> > scripts;
+
+ SelfList<CSharpScript> *elem = script_list.first();
+ while (elem) {
+ if (elem->self()->get_path().is_resource_file()) {
+ scripts.push_back(Ref<CSharpScript>(elem->self())); //cast to gdscript to avoid being erased by accident
+ }
+ elem = elem->next();
+ }
+
+#ifndef NO_THREADS
+ lock->unlock();
+#endif
+
+ //as scripts are going to be reloaded, must proceed without locking here
+
+ scripts.sort_custom<CSharpScriptDepSort>(); //update in inheritance dependency order
+
+ for (List<Ref<CSharpScript> >::Element *E = scripts.front(); E; E = E->next()) {
+ E->get()->load_source_code(E->get()->get_path());
+ E->get()->reload(true);
+ }
+#endif
+}
+
+void CSharpLanguage::reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload) {
+
+ (void)p_script; // UNUSED
+
+#ifdef TOOLS_ENABLED
+ reload_assemblies_if_needed(p_soft_reload);
+#endif
+}
+
+#ifdef TOOLS_ENABLED
+void CSharpLanguage::reload_assemblies_if_needed(bool p_soft_reload) {
+
+ if (gdmono->is_runtime_initialized()) {
+
+ GDMonoAssembly *proj_assembly = gdmono->get_project_assembly();
+
+ if (proj_assembly) {
+ String proj_asm_path = proj_assembly->get_path();
+
+ if (!FileAccess::exists(proj_assembly->get_path())) {
+ // Maybe it wasn't loaded from the default path, so check this as well
+ String proj_asm_name = ProjectSettings::get_singleton()->get("application/config/name");
+ proj_asm_path = GodotSharpDirs::get_res_temp_assemblies_dir().plus_file(proj_asm_name);
+ if (!FileAccess::exists(proj_asm_path))
+ return; // No assembly to load
+ }
+
+ if (FileAccess::get_modified_time(proj_asm_path) <= proj_assembly->get_modified_time())
+ return; // Already up to date
+ } else {
+ String proj_asm_name = ProjectSettings::get_singleton()->get("application/config/name");
+ if (!FileAccess::exists(GodotSharpDirs::get_res_temp_assemblies_dir().plus_file(proj_asm_name)))
+ return; // No assembly to load
+ }
+ }
+
+#ifndef NO_THREADS
+ lock->lock();
+#endif
+
+ List<Ref<CSharpScript> > scripts;
+
+ SelfList<CSharpScript> *elem = script_list.first();
+ while (elem) {
+ if (elem->self()->get_path().is_resource_file()) {
+
+ scripts.push_back(Ref<CSharpScript>(elem->self())); //cast to CSharpScript to avoid being erased by accident
+ }
+ elem = elem->next();
+ }
+
+#ifndef NO_THREADS
+ lock->unlock();
+#endif
+
+ //when someone asks you why dynamically typed languages are easier to write....
+
+ Map<Ref<CSharpScript>, Map<ObjectID, List<Pair<StringName, Variant> > > > to_reload;
+
+ //as scripts are going to be reloaded, must proceed without locking here
+
+ scripts.sort_custom<CSharpScriptDepSort>(); //update in inheritance dependency order
+
+ for (List<Ref<CSharpScript> >::Element *E = scripts.front(); E; E = E->next()) {
+
+ to_reload.insert(E->get(), Map<ObjectID, List<Pair<StringName, Variant> > >());
+
+ if (!p_soft_reload) {
+
+ //save state and remove script from instances
+ Map<ObjectID, List<Pair<StringName, Variant> > > &map = to_reload[E->get()];
+
+ while (E->get()->instances.front()) {
+ Object *obj = E->get()->instances.front()->get();
+ //save instance info
+ List<Pair<StringName, Variant> > state;
+ if (obj->get_script_instance()) {
+
+ obj->get_script_instance()->get_property_state(state);
+
+ Ref<MonoGCHandle> gchandle = CAST_CSHARP_INSTANCE(obj->get_script_instance())->gchandle;
+ if (gchandle.is_valid())
+ gchandle->release();
+
+ map[obj->get_instance_id()] = state;
+ obj->set_script(RefPtr());
+ }
+ }
+
+ //same thing for placeholders
+ while (E->get()->placeholders.size()) {
+
+ Object *obj = E->get()->placeholders.front()->get()->get_owner();
+ //save instance info
+ List<Pair<StringName, Variant> > state;
+ if (obj->get_script_instance()) {
+ obj->get_script_instance()->get_property_state(state);
+ map[obj->get_instance_id()] = state;
+ obj->set_script(RefPtr());
+ }
+ }
+
+ for (Map<ObjectID, List<Pair<StringName, Variant> > >::Element *F = E->get()->pending_reload_state.front(); F; F = F->next()) {
+ map[F->key()] = F->get(); //pending to reload, use this one instead
+ }
+
+ E->get()->_clear();
+ }
+ }
+
+ if (gdmono->reload_scripts_domain() != OK)
+ return;
+
+ for (Map<Ref<CSharpScript>, Map<ObjectID, List<Pair<StringName, Variant> > > >::Element *E = to_reload.front(); E; E = E->next()) {
+
+ Ref<CSharpScript> scr = E->key();
+ scr->exports_invalidated = true;
+ scr->reload(p_soft_reload);
+ scr->update_exports();
+
+ //restore state if saved
+ for (Map<ObjectID, List<Pair<StringName, Variant> > >::Element *F = E->get().front(); F; F = F->next()) {
+
+ Object *obj = ObjectDB::get_instance(F->key());
+ if (!obj)
+ continue;
+
+ if (!p_soft_reload) {
+ //clear it just in case (may be a pending reload state)
+ obj->set_script(RefPtr());
+ }
+ obj->set_script(scr.get_ref_ptr());
+ if (!obj->get_script_instance()) {
+ //failed, save reload state for next time if not saved
+ if (!scr->pending_reload_state.has(obj->get_instance_id())) {
+ scr->pending_reload_state[obj->get_instance_id()] = F->get();
+ }
+ continue;
+ }
+
+ for (List<Pair<StringName, Variant> >::Element *G = F->get().front(); G; G = G->next()) {
+ obj->get_script_instance()->set(G->get().first, G->get().second);
+ }
+
+ scr->pending_reload_state.erase(obj->get_instance_id()); //as it reloaded, remove pending state
+ }
+
+ //if instance states were saved, set them!
+ }
+}
+#endif
+
+void CSharpLanguage::get_recognized_extensions(List<String> *p_extensions) const {
+
+ p_extensions->push_back("cs");
+}
+
+#ifdef TOOLS_ENABLED
+Error CSharpLanguage::open_in_external_editor(const Ref<Script> &p_script, int p_line, int p_col) {
+
+ return GodotSharpEditor::get_singleton()->open_in_external_editor(p_script, p_line, p_col);
+}
+
+bool CSharpLanguage::overrides_external_editor() {
+
+ return GodotSharpEditor::get_singleton()->overrides_external_editor();
+}
+#endif
+
+void CSharpLanguage::thread_enter() {
+
+#if 0
+ if (mono->is_runtime_initialized()) {
+ GDMonoUtils::attach_current_thread();
+ }
+#endif
+}
+
+void CSharpLanguage::thread_exit() {
+
+#if 0
+ if (mono->is_runtime_initialized()) {
+ GDMonoUtils::detach_current_thread();
+ }
+#endif
+}
+
+bool CSharpLanguage::debug_break_parse(const String &p_file, int p_line, const String &p_error) {
+
+ // Break because of parse error
+ if (ScriptDebugger::get_singleton() && Thread::get_caller_id() == Thread::get_main_id()) {
+ // TODO
+ //_debug_parse_err_line = p_line;
+ //_debug_parse_err_file = p_file;
+ //_debug_error = p_error;
+ ScriptDebugger::get_singleton()->debug(this, false);
+ return true;
+ } else {
+ return false;
+ }
+}
+
+bool CSharpLanguage::debug_break(const String &p_error, bool p_allow_continue) {
+
+ if (ScriptDebugger::get_singleton() && Thread::get_caller_id() == Thread::get_main_id()) {
+ // TODO
+ //_debug_parse_err_line = -1;
+ //_debug_parse_err_file = "";
+ //_debug_error = p_error;
+ ScriptDebugger::get_singleton()->debug(this, p_allow_continue);
+ return true;
+ } else {
+ return false;
+ }
+}
+
+void CSharpLanguage::set_language_index(int p_idx) {
+
+ ERR_FAIL_COND(lang_idx != -1);
+ lang_idx = p_idx;
+}
+
+CSharpLanguage::CSharpLanguage() {
+
+ ERR_FAIL_COND(singleton);
+ singleton = this;
+
+ gdmono = NULL;
+
+#ifdef NO_THREADS
+ lock = NULL;
+ gchandle_bind_lock = NULL;
+#else
+ lock = Mutex::create();
+ script_bind_lock = Mutex::create();
+#endif
+
+ lang_idx = -1;
+}
+
+CSharpLanguage::~CSharpLanguage() {
+
+ finish();
+
+ if (lock) {
+ memdelete(lock);
+ lock = NULL;
+ }
+
+ if (script_bind_lock) {
+ memdelete(script_bind_lock);
+ script_bind_lock = NULL;
+ }
+
+ singleton = NULL;
+}
+
+void *CSharpLanguage::alloc_instance_binding_data(Object *p_object) {
+
+#ifdef DEBUG_ENABLED
+ // I don't trust you
+ if (p_object->get_script_instance())
+ CRASH_COND(NULL != CAST_CSHARP_INSTANCE(p_object->get_script_instance()));
+#endif
+
+ StringName type_name = p_object->get_class_name();
+
+ GDMonoClass *type_class = GDMonoUtils::type_get_proxy_class(type_name);
+
+ ERR_FAIL_NULL_V(type_class, NULL);
+
+ MonoObject *mono_object = GDMonoUtils::create_managed_for_godot_object(type_class, type_name, p_object);
+
+ ERR_FAIL_NULL_V(mono_object, NULL);
+
+ // Tie managed to unmanaged
+ bool strong_handle = true;
+ Reference *ref = Object::cast_to<Reference>(p_object);
+
+ if (ref) {
+ strong_handle = false;
+
+ // Unsafe refcount increment. The managed instance also counts as a reference.
+ // This way if the unmanaged world has no references to our owner
+ // but the managed instance is alive, the refcount will be 1 instead of 0.
+ // See: _GodotSharp::_dispose_object(Object *p_object)
+
+ ref->reference();
+ }
+
+ Ref<MonoGCHandle> gchandle = strong_handle ? MonoGCHandle::create_strong(mono_object) :
+ MonoGCHandle::create_weak(mono_object);
+
+#ifndef NO_THREADS
+ script_bind_lock->lock();
+#endif
+
+ void *data = (void *)gchandle_bindings.insert(p_object, gchandle);
+
+#ifndef NO_THREADS
+ script_bind_lock->unlock();
+#endif
+
+ return data;
+}
+
+void CSharpLanguage::free_instance_binding_data(void *p_data) {
+
+#ifndef NO_THREADS
+ script_bind_lock->lock();
+#endif
+
+ gchandle_bindings.erase((Map<Object *, Ref<MonoGCHandle> >::Element *)p_data);
+
+#ifndef NO_THREADS
+ script_bind_lock->unlock();
+#endif
+}
+
+void CSharpInstance::_ml_call_reversed(GDMonoClass *klass, const StringName &p_method, const Variant **p_args, int p_argcount) {
+
+ GDMonoClass *base = klass->get_parent_class();
+ if (base && base != script->native)
+ _ml_call_reversed(base, p_method, p_args, p_argcount);
+
+ GDMonoMethod *method = klass->get_method(p_method, p_argcount);
+
+ if (method) {
+ method->invoke(get_mono_object(), p_args);
+ }
+}
+
+CSharpInstance *CSharpInstance::create_for_managed_type(Object *p_owner, CSharpScript *p_script, const Ref<MonoGCHandle> &p_gchandle) {
+
+ CSharpInstance *instance = memnew(CSharpInstance);
+
+ Reference *ref = Object::cast_to<Reference>(p_owner);
+
+ instance->base_ref = ref != NULL;
+ instance->script = Ref<CSharpScript>(p_script);
+ instance->owner = p_owner;
+ instance->gchandle = p_gchandle;
+
+ if (instance->base_ref)
+ instance->_reference_owner_unsafe();
+
+ p_script->instances.insert(p_owner);
+
+ return instance;
+}
+
+MonoObject *CSharpInstance::get_mono_object() const {
+#ifdef DEBUG_ENABLED
+ CRASH_COND(gchandle.is_null());
+#endif
+ return gchandle->get_target();
+}
+
+bool CSharpInstance::set(const StringName &p_name, const Variant &p_value) {
+
+ ERR_FAIL_COND_V(!script.is_valid(), false);
+
+ GDMonoClass *top = script->script_class;
+
+ while (top && top != script->native) {
+ GDMonoField *field = script->script_class->get_field(p_name);
+
+ if (field) {
+ MonoObject *mono_object = get_mono_object();
+
+ ERR_EXPLAIN("Reference has been garbage collected?");
+ ERR_FAIL_NULL_V(mono_object, false);
+
+ field->set_value(mono_object, p_value);
+
+ return true;
+ }
+
+ top = top->get_parent_class();
+ }
+
+ // Call _set
+
+ Variant name = p_name;
+ const Variant *args[2] = { &name, &p_value };
+
+ MonoObject *mono_object = get_mono_object();
+ top = script->script_class;
+
+ while (top && top != script->native) {
+ GDMonoMethod *method = top->get_method(CACHED_STRING_NAME(_set), 2);
+
+ if (method) {
+ MonoObject *ret = method->invoke(mono_object, args);
+
+ if (ret && UNBOX_BOOLEAN(ret))
+ return true;
+ }
+
+ top = top->get_parent_class();
+ }
+
+ return false;
+}
+
+bool CSharpInstance::get(const StringName &p_name, Variant &r_ret) const {
+
+ ERR_FAIL_COND_V(!script.is_valid(), false);
+
+ GDMonoClass *top = script->script_class;
+
+ while (top && top != script->native) {
+ GDMonoField *field = top->get_field(p_name);
+
+ if (field) {
+ MonoObject *mono_object = get_mono_object();
+
+ ERR_EXPLAIN("Reference has been garbage collected?");
+ ERR_FAIL_NULL_V(mono_object, false);
+
+ MonoObject *value = field->get_value(mono_object);
+ r_ret = GDMonoMarshal::mono_object_to_variant(value, field->get_type());
+ return true;
+ }
+
+ // Call _get
+
+ GDMonoMethod *method = top->get_method(CACHED_STRING_NAME(_get), 1);
+
+ if (method) {
+ Variant name = p_name;
+ const Variant *args[1] = { &name };
+
+ MonoObject *ret = method->invoke(get_mono_object(), args);
+
+ if (ret) {
+ r_ret = GDMonoMarshal::mono_object_to_variant(ret);
+ return true;
+ }
+ }
+
+ top = top->get_parent_class();
+ }
+
+ return false;
+}
+
+void CSharpInstance::get_property_list(List<PropertyInfo> *p_properties) const {
+
+ for (Map<StringName, PropertyInfo>::Element *E = script->member_info.front(); E; E = E->next()) {
+ p_properties->push_back(E->value());
+ }
+}
+
+Variant::Type CSharpInstance::get_property_type(const StringName &p_name, bool *r_is_valid) const {
+
+ if (script->member_info.has(p_name)) {
+ if (r_is_valid)
+ *r_is_valid = true;
+ return script->member_info[p_name].type;
+ }
+
+ if (r_is_valid)
+ *r_is_valid = false;
+
+ return Variant::NIL;
+}
+
+bool CSharpInstance::has_method(const StringName &p_method) const {
+
+ if (!script.is_valid())
+ return false;
+
+ GDMonoClass *top = script->script_class;
+
+ while (top && top != script->native) {
+ if (top->has_method(p_method)) {
+ return true;
+ }
+
+ top = top->get_parent_class();
+ }
+
+ return false;
+}
+
+Variant CSharpInstance::call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
+
+ MonoObject *mono_object = get_mono_object();
+
+ ERR_EXPLAIN("Reference has been garbage collected?");
+ ERR_FAIL_NULL_V(mono_object, Variant());
+
+ if (!script.is_valid())
+ return Variant();
+
+ GDMonoClass *top = script->script_class;
+
+ while (top && top != script->native) {
+ GDMonoMethod *method = top->get_method(p_method, p_argcount);
+
+ if (method) {
+ MonoObject *return_value = method->invoke(mono_object, p_args);
+
+ if (return_value) {
+ return GDMonoMarshal::mono_object_to_variant(return_value, method->get_return_type());
+ } else {
+ return Variant();
+ }
+ } else if (p_method == CACHED_STRING_NAME(_awaited_signal_callback)) {
+ // shitty hack..
+ // TODO move to its own function, thx
+
+ if (p_argcount < 1) {
+ r_error.error = Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
+ r_error.argument = 1;
+ return Variant();
+ }
+
+ Ref<SignalAwaiterHandle> awaiter = *p_args[p_argcount - 1];
+
+ if (awaiter.is_null()) {
+ r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+ r_error.argument = p_argcount - 1;
+ r_error.expected = Variant::OBJECT;
+ return Variant();
+ }
+
+ awaiter->set_completed(true);
+
+ int extra_argc = p_argcount - 1;
+ MonoArray *extra_args = mono_array_new(SCRIPTS_DOMAIN, CACHED_CLASS_RAW(MonoObject), extra_argc);
+
+ for (int i = 0; i < extra_argc; i++) {
+ MonoObject *boxed = GDMonoMarshal::variant_to_mono_object(*p_args[i]);
+ mono_array_set(extra_args, MonoObject *, i, boxed);
+ }
+
+ GDMonoUtils::GodotObject__AwaitedSignalCallback thunk = CACHED_METHOD_THUNK(GodotObject, _AwaitedSignalCallback);
+
+ MonoObject *ex = NULL;
+ thunk(mono_object, &extra_args, awaiter->get_target(), &ex);
+
+ if (ex) {
+ mono_print_unhandled_exception(ex);
+ ERR_FAIL_V(Variant());
+ }
+
+ return Variant();
+ }
+
+ top = top->get_parent_class();
+ }
+
+ r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
+
+ return Variant();
+}
+
+void CSharpInstance::call_multilevel(const StringName &p_method, const Variant **p_args, int p_argcount) {
+
+ if (script.is_valid()) {
+ MonoObject *mono_object = get_mono_object();
+
+ GDMonoClass *top = script->script_class;
+
+ while (top && top != script->native) {
+ GDMonoMethod *method = top->get_method(p_method, p_argcount);
+
+ if (method)
+ method->invoke(mono_object, p_args);
+
+ top = top->get_parent_class();
+ }
+ }
+}
+
+void CSharpInstance::call_multilevel_reversed(const StringName &p_method, const Variant **p_args, int p_argcount) {
+
+ if (script.is_valid()) {
+ _ml_call_reversed(script->script_class, p_method, p_args, p_argcount);
+ }
+}
+
+void CSharpInstance::_reference_owner_unsafe() {
+
+#ifdef DEBUG_ENABLED
+ CRASH_COND(!base_ref);
+#endif
+
+ // Unsafe refcount increment. The managed instance also counts as a reference.
+ // This way if the unmanaged world has no references to our owner
+ // but the managed instance is alive, the refcount will be 1 instead of 0.
+ // See: _unreference_owner_unsafe()
+
+ // May not me referenced yet, so we must use init_ref() instead of reference()
+ Object::cast_to<Reference>(owner)->init_ref();
+}
+
+void CSharpInstance::_unreference_owner_unsafe() {
+
+#ifdef DEBUG_ENABLED
+ CRASH_COND(!base_ref);
+#endif
+
+ // Called from CSharpInstance::mono_object_disposed() or ~CSharpInstance()
+
+ // Unsafe refcount decrement. The managed instance also counts as a reference.
+ // See: _reference_owner_unsafe()
+
+ if (Object::cast_to<Reference>(owner)->unreference()) {
+ memdelete(owner);
+ owner = NULL;
+ }
+}
+
+void CSharpInstance::mono_object_disposed() {
+
+ if (base_ref)
+ _unreference_owner_unsafe();
+}
+
+void CSharpInstance::refcount_incremented() {
+
+ CRASH_COND(!base_ref);
+
+ Reference *ref_owner = Object::cast_to<Reference>(owner);
+
+ if (ref_owner->reference_get_count() > 1) { // Remember the managed side holds a reference, hence 1 instead of 0 here
+ // The reference count was increased after the managed side was the only one referencing our owner.
+ // This means the owner is being referenced again by the unmanaged side,
+ // so the owner must hold the managed side alive again to avoid it from being GCed.
+
+ // Release the current weak handle and replace it with a strong handle.
+ uint32_t strong_gchandle = MonoGCHandle::make_strong_handle(gchandle->get_target());
+ gchandle->release();
+ gchandle->set_handle(strong_gchandle);
+ }
+}
+
+bool CSharpInstance::refcount_decremented() {
+
+ CRASH_COND(!base_ref);
+
+ Reference *ref_owner = Object::cast_to<Reference>(owner);
+
+ int refcount = ref_owner->reference_get_count();
+
+ if (refcount == 1) { // Remember the managed side holds a reference, hence 1 instead of 0 here
+ // If owner owner is no longer referenced by the unmanaged side,
+ // the managed instance takes responsibility of deleting the owner when GCed.
+
+ // Release the current strong handle and replace it with a weak handle.
+ uint32_t weak_gchandle = MonoGCHandle::make_weak_handle(gchandle->get_target());
+ gchandle->release();
+ gchandle->set_handle(weak_gchandle);
+
+ return false;
+ }
+
+ ref_dying = (refcount == 0);
+
+ return ref_dying;
+}
+
+ScriptInstance::RPCMode CSharpInstance::get_rpc_mode(const StringName &p_method) const {
+
+ GDMonoClass *top = script->script_class;
+
+ while (top && top != script->native) {
+ GDMonoMethod *method = top->get_method(p_method);
+
+ if (method) { // TODO should we reject static methods?
+ // TODO cache result
+ if (method->has_attribute(CACHED_CLASS(RemoteAttribute)))
+ return RPC_MODE_REMOTE;
+ if (method->has_attribute(CACHED_CLASS(SyncAttribute)))
+ return RPC_MODE_SYNC;
+ if (method->has_attribute(CACHED_CLASS(MasterAttribute)))
+ return RPC_MODE_MASTER;
+ if (method->has_attribute(CACHED_CLASS(SlaveAttribute)))
+ return RPC_MODE_SLAVE;
+ }
+
+ top = top->get_parent_class();
+ }
+
+ return RPC_MODE_DISABLED;
+}
+
+ScriptInstance::RPCMode CSharpInstance::get_rset_mode(const StringName &p_variable) const {
+
+ GDMonoClass *top = script->script_class;
+
+ while (top && top != script->native) {
+ GDMonoField *field = top->get_field(p_variable);
+
+ if (field) { // TODO should we reject static fields?
+ // TODO cache result
+ if (field->has_attribute(CACHED_CLASS(RemoteAttribute)))
+ return RPC_MODE_REMOTE;
+ if (field->has_attribute(CACHED_CLASS(SyncAttribute)))
+ return RPC_MODE_SYNC;
+ if (field->has_attribute(CACHED_CLASS(MasterAttribute)))
+ return RPC_MODE_MASTER;
+ if (field->has_attribute(CACHED_CLASS(SlaveAttribute)))
+ return RPC_MODE_SLAVE;
+ }
+
+ top = top->get_parent_class();
+ }
+
+ return RPC_MODE_DISABLED;
+}
+
+void CSharpInstance::notification(int p_notification) {
+
+ Variant value = p_notification;
+ const Variant *args[1] = { &value };
+
+ call_multilevel(CACHED_STRING_NAME(_notification), args, 1);
+}
+
+Ref<Script> CSharpInstance::get_script() const {
+
+ return script;
+}
+
+ScriptLanguage *CSharpInstance::get_language() {
+
+ return CSharpLanguage::get_singleton();
+}
+
+CSharpInstance::CSharpInstance() {
+
+ owner = NULL;
+ base_ref = false;
+ ref_dying = false;
+}
+
+CSharpInstance::~CSharpInstance() {
+
+ if (gchandle.is_valid()) {
+ gchandle->release(); // Make sure it's released
+ }
+
+ if (base_ref && !ref_dying) { // it may be called from the owner's destructor
+#ifdef DEBUG_ENABLED
+ CRASH_COND(!owner); // dunno, just in case
+#endif
+ _unreference_owner_unsafe();
+ }
+
+ if (script.is_valid() && owner) {
+#ifndef NO_THREADS
+ CSharpLanguage::singleton->lock->lock();
+#endif
+
+#ifdef DEBUG_ENABLED
+ // CSharpInstance must not be created unless it's going to be added to the list for sure
+ Set<Object *>::Element *match = script->instances.find(owner);
+ CRASH_COND(!match);
+ script->instances.erase(match);
+#else
+ script->instances.erase(owner);
+#endif
+
+#ifndef NO_THREADS
+ CSharpLanguage::singleton->lock->unlock();
+#endif
+ }
+}
+
+#ifdef TOOLS_ENABLED
+void CSharpScript::_placeholder_erased(PlaceHolderScriptInstance *p_placeholder) {
+
+ placeholders.erase(p_placeholder);
+}
+#endif
+
+#ifdef TOOLS_ENABLED
+void CSharpScript::_update_exports_values(Map<StringName, Variant> &values, List<PropertyInfo> &propnames) {
+
+ if (base_cache.is_valid()) {
+ base_cache->_update_exports_values(values, propnames);
+ }
+
+ for (Map<StringName, Variant>::Element *E = exported_members_defval_cache.front(); E; E = E->next()) {
+ values[E->key()] = E->get();
+ }
+
+ for (List<PropertyInfo>::Element *E = exported_members_cache.front(); E; E = E->next()) {
+ propnames.push_back(E->get());
+ }
+}
+#endif
+
+bool CSharpScript::_update_exports() {
+
+#ifdef TOOLS_ENABLED
+ if (!valid)
+ return false;
+
+ bool changed = false;
+
+ if (exports_invalidated) {
+ exports_invalidated = false;
+
+ changed = true;
+
+ member_info.clear();
+ exported_members_cache.clear();
+ exported_members_defval_cache.clear();
+
+ const Vector<GDMonoField *> &fields = script_class->get_all_fields();
+
+ // We are creating a temporary new instance of the class here to get the default value
+ // TODO Workaround. Should be replaced with IL opcodes analysis
+
+ MonoObject *tmp_object = mono_object_new(SCRIPTS_DOMAIN, script_class->get_raw());
+
+ if (tmp_object) {
+ CACHED_FIELD(GodotObject, ptr)->set_value_raw(tmp_object, tmp_object); // FIXME WTF is this workaround
+
+ GDMonoMethod *ctor = script_class->get_method(CACHED_STRING_NAME(dotctor), 0);
+ MonoObject *ex = NULL;
+ ctor->invoke(tmp_object, NULL, &ex);
+
+ if (ex) {
+ ERR_PRINT("Exception thrown from constructor of temporary MonoObject:");
+ mono_print_unhandled_exception(ex);
+ tmp_object = NULL;
+ ERR_FAIL_V(false);
+ }
+ } else {
+ ERR_PRINT("Failed to create temporary MonoObject");
+ return false;
+ }
+
+ for (int i = 0; i < fields.size(); i++) {
+ GDMonoField *field = fields[i];
+
+ if (field->is_static() || field->get_visibility() != GDMono::PUBLIC)
+ continue;
+
+ String name = field->get_name();
+ StringName cname = name;
+
+ Variant::Type type = GDMonoMarshal::managed_to_variant_type(field->get_type());
+
+ if (field->has_attribute(CACHED_CLASS(ExportAttribute))) {
+ MonoObject *attr = field->get_attribute(CACHED_CLASS(ExportAttribute));
+
+ // Field has Export attribute
+ int hint = CACHED_FIELD(ExportAttribute, hint)->get_int_value(attr);
+ String hint_string = CACHED_FIELD(ExportAttribute, hint_string)->get_string_value(attr);
+ int usage = CACHED_FIELD(ExportAttribute, usage)->get_int_value(attr);
+
+ PropertyInfo prop_info = PropertyInfo(type, name, PropertyHint(hint), hint_string, PropertyUsageFlags(usage));
+
+ member_info[cname] = prop_info;
+ exported_members_cache.push_back(prop_info);
+
+ if (tmp_object) {
+ exported_members_defval_cache[cname] = GDMonoMarshal::mono_object_to_variant(field->get_value(tmp_object));
+ }
+ } else {
+ member_info[cname] = PropertyInfo(type, name, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_SCRIPT_VARIABLE);
+ }
+ }
+ }
+
+ if (placeholders.size()) {
+ // Update placeholders if any
+ Map<StringName, Variant> values;
+ List<PropertyInfo> propnames;
+ _update_exports_values(values, propnames);
+
+ for (Set<PlaceHolderScriptInstance *>::Element *E = placeholders.front(); E; E = E->next()) {
+ E->get()->update(propnames, values);
+ }
+ }
+
+ return changed;
+#endif
+ return false;
+}
+
+void CSharpScript::_clear() {
+
+ tool = false;
+ valid = false;
+
+ base = NULL;
+ native = NULL;
+ script_class = NULL;
+}
+
+Variant CSharpScript::call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
+
+ GDMonoClass *top = script_class;
+
+ while (top && top != native) {
+ GDMonoMethod *method = top->get_method(p_method, p_argcount);
+
+ if (method && method->is_static()) {
+ MonoObject *result = method->invoke(NULL, p_args);
+
+ if (result) {
+ return GDMonoMarshal::mono_object_to_variant(result, method->get_return_type());
+ } else {
+ return Variant();
+ }
+ }
+
+ top = top->get_parent_class();
+ }
+
+ // No static method found. Try regular instance calls
+ return Script::call(p_method, p_args, p_argcount, r_error);
+}
+
+void CSharpScript::_resource_path_changed() {
+
+ String path = get_path();
+
+ if (!path.empty()) {
+ name = get_path().get_file().get_basename();
+ }
+}
+
+void CSharpScript::_bind_methods() {
+
+ ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "new", &CSharpScript::_new, MethodInfo(Variant::OBJECT, "new"));
+}
+
+Ref<CSharpScript> CSharpScript::create_for_managed_type(GDMonoClass *p_class) {
+
+ // This method should not fail
+
+ CRASH_COND(!p_class);
+
+ Ref<CSharpScript> script = memnew(CSharpScript);
+
+ script->name = p_class->get_name();
+ script->script_class = p_class;
+ script->native = GDMonoUtils::get_class_native_base(script->script_class);
+
+ CRASH_COND(script->native == NULL);
+
+ GDMonoClass *base = script->script_class->get_parent_class();
+
+ if (base != script->native)
+ script->base = base;
+
+#ifdef DEBUG_ENABLED
+ // For debug builds, we must fetch from all native base methods as well.
+ // Native base methods must be fetched before the current class.
+ // Not needed if the script class itself is a native class.
+
+ if (script->script_class != script->native) {
+ GDMonoClass *native_top = script->native;
+ while (native_top) {
+ native_top->fetch_methods_with_godot_api_checks(script->native);
+
+ if (native_top == CACHED_CLASS(GodotObject))
+ break;
+
+ native_top = native_top->get_parent_class();
+ }
+ }
+#endif
+
+ script->script_class->fetch_methods_with_godot_api_checks(script->native);
+
+ // Need to fetch method from base classes as well
+ GDMonoClass *top = script->script_class;
+ while (top && top != script->native) {
+ top->fetch_methods_with_godot_api_checks(script->native);
+ top = top->get_parent_class();
+ }
+
+ return script;
+}
+
+bool CSharpScript::can_instance() const {
+
+ // TODO does the second condition even make sense?
+ return valid || (!tool && !ScriptServer::is_scripting_enabled());
+}
+
+StringName CSharpScript::get_instance_base_type() const {
+
+ if (native)
+ return native->get_name();
+ else
+ return StringName();
+}
+
+CSharpInstance *CSharpScript::_create_instance(const Variant **p_args, int p_argcount, Object *p_owner, bool p_isref, Variant::CallError &r_error) {
+
+ /* STEP 1, CREATE */
+
+ CSharpInstance *instance = memnew(CSharpInstance);
+ instance->base_ref = p_isref;
+ instance->script = Ref<CSharpScript>(this);
+ instance->owner = p_owner;
+ instance->owner->set_script_instance(instance);
+
+ if (instance->base_ref)
+ instance->_reference_owner_unsafe();
+
+ /* STEP 2, INITIALIZE AND CONSTRUCT */
+
+ MonoObject *mono_object = mono_object_new(SCRIPTS_DOMAIN, script_class->get_raw());
+
+ if (!mono_object) {
+ instance->script = Ref<CSharpScript>();
+ instance->owner->set_script_instance(NULL);
+ r_error.error = Variant::CallError::CALL_ERROR_INSTANCE_IS_NULL;
+ ERR_EXPLAIN("Failed to allocate memory for the object");
+ ERR_FAIL_V(NULL);
+ }
+
+#ifndef NO_THREADS
+ CSharpLanguage::singleton->lock->lock();
+#endif
+
+ instances.insert(instance->owner);
+
+#ifndef NO_THREADS
+ CSharpLanguage::singleton->lock->unlock();
+#endif
+
+ CACHED_FIELD(GodotObject, ptr)->set_value_raw(mono_object, instance->owner);
+
+ // Construct
+ GDMonoMethod *ctor = script_class->get_method(CACHED_STRING_NAME(dotctor), p_argcount);
+ ctor->invoke(mono_object, p_args, NULL);
+
+ // Tie managed to unmanaged
+ instance->gchandle = MonoGCHandle::create_strong(mono_object);
+
+ /* STEP 3, PARTY */
+
+ //@TODO make thread safe
+ return instance;
+}
+
+Variant CSharpScript::_new(const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
+
+ if (!valid) {
+ r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
+ return Variant();
+ }
+
+ r_error.error = Variant::CallError::CALL_OK;
+ REF ref;
+ Object *owner = NULL;
+
+ ERR_FAIL_NULL_V(native, Variant());
+
+ owner = ClassDB::instance(NATIVE_GDMONOCLASS_NAME(native));
+
+ Reference *r = Object::cast_to<Reference>(owner);
+ if (r) {
+ ref = REF(r);
+ }
+
+ CSharpInstance *instance = _create_instance(p_args, p_argcount, owner, r != NULL, r_error);
+ if (!instance) {
+ if (ref.is_null()) {
+ memdelete(owner); //no owner, sorry
+ }
+ return Variant();
+ }
+
+ if (ref.is_valid()) {
+ return ref;
+ } else {
+ return owner;
+ }
+}
+
+ScriptInstance *CSharpScript::instance_create(Object *p_this) {
+
+ if (!valid)
+ return NULL;
+
+ if (!tool && !ScriptServer::is_scripting_enabled()) {
+#ifdef TOOLS_ENABLED
+ PlaceHolderScriptInstance *si = memnew(PlaceHolderScriptInstance(CSharpLanguage::get_singleton(), Ref<Script>(this), p_this));
+ placeholders.insert(si);
+ _update_exports();
+ return si;
+#else
+ return NULL;
+#endif
+ }
+
+ if (native) {
+ String native_name = native->get_name();
+ if (!ClassDB::is_parent_class(p_this->get_class_name(), native_name)) {
+ if (ScriptDebugger::get_singleton()) {
+ CSharpLanguage::get_singleton()->debug_break_parse(get_path(), 0, "Script inherits from native type '" + native_name + "', so it can't be instanced in object of type: '" + p_this->get_class() + "'");
+ }
+ ERR_EXPLAIN("Script inherits from native type '" + native_name + "', so it can't be instanced in object of type: '" + p_this->get_class() + "'");
+ ERR_FAIL_V(NULL);
+ }
+ }
+
+ Variant::CallError unchecked_error;
+ return _create_instance(NULL, 0, p_this, Object::cast_to<Reference>(p_this), unchecked_error);
+}
+
+bool CSharpScript::instance_has(const Object *p_this) const {
+
+#ifndef NO_THREADS
+ CSharpLanguage::singleton->lock->lock();
+#endif
+
+ bool ret = instances.has((Object *)p_this);
+
+#ifndef NO_THREADS
+ CSharpLanguage::singleton->lock->unlock();
+#endif
+
+ return ret;
+}
+
+bool CSharpScript::has_source_code() const {
+
+ return !source.empty();
+}
+
+String CSharpScript::get_source_code() const {
+
+ return source;
+}
+
+void CSharpScript::set_source_code(const String &p_code) {
+
+ if (source == p_code)
+ return;
+ source = p_code;
+#ifdef TOOLS_ENABLED
+ source_changed_cache = true;
+#endif
+}
+
+bool CSharpScript::has_method(const StringName &p_method) const {
+
+ return script_class->has_method(p_method);
+}
+
+Error CSharpScript::reload(bool p_keep_state) {
+
+#ifndef NO_THREADS
+ CSharpLanguage::singleton->lock->lock();
+#endif
+
+ bool has_instances = instances.size();
+
+#ifndef NO_THREADS
+ CSharpLanguage::singleton->lock->unlock();
+#endif
+
+ ERR_FAIL_COND_V(!p_keep_state && has_instances, ERR_ALREADY_IN_USE);
+
+ GDMonoAssembly *project_assembly = GDMono::get_singleton()->get_project_assembly();
+
+ if (project_assembly) {
+ script_class = project_assembly->get_object_derived_class(name);
+ valid = script_class != NULL;
+
+ if (script_class) {
+ tool = script_class->has_attribute(CACHED_CLASS(ToolAttribute));
+
+ native = GDMonoUtils::get_class_native_base(script_class);
+
+ CRASH_COND(native == NULL);
+
+ GDMonoClass *base_class = script_class->get_parent_class();
+
+ if (base_class != native)
+ base = base_class;
+
+#ifdef DEBUG_ENABLED
+ // For debug builds, we must fetch from all native base methods as well.
+ // Native base methods must be fetched before the current class.
+ // Not needed if the script class itself is a native class.
+
+ if (script_class != native) {
+ GDMonoClass *native_top = native;
+ while (native_top) {
+ native_top->fetch_methods_with_godot_api_checks(native);
+
+ if (native_top == CACHED_CLASS(GodotObject))
+ break;
+
+ native_top = native_top->get_parent_class();
+ }
+ }
+#endif
+
+ script_class->fetch_methods_with_godot_api_checks(native);
+
+ // Need to fetch method from base classes as well
+ GDMonoClass *top = script_class;
+ while (top && top != native) {
+ top->fetch_methods_with_godot_api_checks(native);
+ top = top->get_parent_class();
+ }
+ }
+
+ return OK;
+ }
+
+ return ERR_FILE_MISSING_DEPENDENCIES;
+}
+
+String CSharpScript::get_node_type() const {
+
+ return ""; // ?
+}
+
+ScriptLanguage *CSharpScript::get_language() const {
+
+ return CSharpLanguage::get_singleton();
+}
+
+bool CSharpScript::get_property_default_value(const StringName &p_property, Variant &r_value) const {
+
+#ifdef TOOLS_ENABLED
+
+ const Map<StringName, Variant>::Element *E = exported_members_defval_cache.find(p_property);
+ if (E) {
+ r_value = E->get();
+ return true;
+ }
+
+ if (base_cache.is_valid()) {
+ return base_cache->get_property_default_value(p_property, r_value);
+ }
+
+#endif
+ return false;
+}
+
+void CSharpScript::update_exports() {
+
+#ifdef TOOLS_ENABLED
+ _update_exports();
+
+ if (placeholders.size()) {
+ Map<StringName, Variant> values;
+ List<PropertyInfo> propnames;
+ _update_exports_values(values, propnames);
+
+ for (Set<PlaceHolderScriptInstance *>::Element *E = placeholders.front(); E; E = E->next()) {
+ E->get()->update(propnames, values);
+ }
+ }
+#endif
+}
+
+Ref<Script> CSharpScript::get_base_script() const {
+
+ // TODO search in metadata file once we have it, not important any way?
+ return Ref<Script>();
+}
+
+void CSharpScript::get_script_property_list(List<PropertyInfo> *p_list) const {
+
+ for (Map<StringName, PropertyInfo>::Element *E = member_info.front(); E; E = E->next()) {
+ p_list->push_back(E->value());
+ }
+}
+
+int CSharpScript::get_member_line(const StringName &p_member) const {
+
+ // TODO omnisharp
+ return -1;
+}
+
+Error CSharpScript::load_source_code(const String &p_path) {
+
+ PoolVector<uint8_t> sourcef;
+ Error err;
+ FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);
+ ERR_FAIL_COND_V(err != OK, err);
+
+ int len = f->get_len();
+ sourcef.resize(len + 1);
+ PoolVector<uint8_t>::Write w = sourcef.write();
+ int r = f->get_buffer(w.ptr(), len);
+ f->close();
+ memdelete(f);
+ ERR_FAIL_COND_V(r != len, ERR_CANT_OPEN);
+ w[len] = 0;
+
+ String s;
+ if (s.parse_utf8((const char *)w.ptr())) {
+
+ ERR_EXPLAIN("Script '" + p_path + "' contains invalid unicode (utf-8), so it was not loaded. Please ensure that scripts are saved in valid utf-8 unicode.");
+ ERR_FAIL_V(ERR_INVALID_DATA);
+ }
+
+ source = s;
+
+#ifdef TOOLS_ENABLED
+ source_changed_cache = true;
+#endif
+
+ return OK;
+}
+
+StringName CSharpScript::get_script_name() const {
+
+ return name;
+}
+
+CSharpScript::CSharpScript()
+ : script_list(this) {
+
+ _clear();
+
+#ifdef TOOLS_ENABLED
+ source_changed_cache = false;
+ exports_invalidated = true;
+#endif
+
+ _resource_path_changed();
+
+#ifdef DEBUG_ENABLED
+
+#ifndef NO_THREADS
+ CSharpLanguage::get_singleton()->lock->lock();
+#endif
+
+ CSharpLanguage::get_singleton()->script_list.add(&script_list);
+
+#ifndef NO_THREADS
+ CSharpLanguage::get_singleton()->lock->unlock();
+#endif
+
+#endif // DEBUG_ENABLED
+}
+
+CSharpScript::~CSharpScript() {
+
+#ifdef DEBUG_ENABLED
+
+#ifndef NO_THREADS
+ CSharpLanguage::get_singleton()->lock->lock();
+#endif
+
+ CSharpLanguage::get_singleton()->script_list.remove(&script_list);
+
+#ifndef NO_THREADS
+ CSharpLanguage::get_singleton()->lock->unlock();
+#endif
+
+#endif // DEBUG_ENABLED
+}
+
+/*************** RESOURCE ***************/
+
+RES ResourceFormatLoaderCSharpScript::load(const String &p_path, const String &p_original_path, Error *r_error) {
+
+ if (r_error)
+ *r_error = ERR_FILE_CANT_OPEN;
+
+ // TODO ignore anything inside bin/ and obj/ in tools builds?
+
+ CSharpScript *script = memnew(CSharpScript);
+
+ Ref<CSharpScript> scriptres(script);
+
+#if defined(DEBUG_ENABLED) || defined(TOOLS_ENABLED)
+ Error err = script->load_source_code(p_path);
+ ERR_FAIL_COND_V(err != OK, RES());
+#endif
+
+ script->set_path(p_original_path);
+ script->reload();
+
+ if (r_error)
+ *r_error = OK;
+
+ return scriptres;
+}
+
+void ResourceFormatLoaderCSharpScript::get_recognized_extensions(List<String> *p_extensions) const {
+
+ p_extensions->push_back("cs");
+}
+
+bool ResourceFormatLoaderCSharpScript::handles_type(const String &p_type) const {
+
+ return p_type == "Script" || p_type == CSharpLanguage::get_singleton()->get_type();
+}
+
+String ResourceFormatLoaderCSharpScript::get_resource_type(const String &p_path) const {
+
+ return p_path.get_extension().to_lower() == "cs" ? CSharpLanguage::get_singleton()->get_type() : "";
+}
+
+Error ResourceFormatSaverCSharpScript::save(const String &p_path, const RES &p_resource, uint32_t p_flags) {
+
+ Ref<CSharpScript> sqscr = p_resource;
+ ERR_FAIL_COND_V(sqscr.is_null(), ERR_INVALID_PARAMETER);
+
+ String source = sqscr->get_source_code();
+
+#ifdef TOOLS_ENABLED
+ if (!FileAccess::exists(p_path)) {
+ // The file does not yet exists, let's assume the user just created this script
+
+ String sln_path = GodotSharpDirs::get_project_sln_path();
+ String csproj_path = GodotSharpDirs::get_project_csproj_path();
+
+ if (!FileAccess::exists(sln_path) || !FileAccess::exists(csproj_path)) {
+ // A solution does not yet exist, create a new one
+
+ CRASH_COND(GodotSharpEditor::get_singleton() == NULL);
+ GodotSharpEditor::get_singleton()->call("_create_project_solution");
+ }
+
+ // Add the file to the C# project
+ if (FileAccess::exists(csproj_path)) {
+ CSharpProject::add_item(csproj_path, "Compile", ProjectSettings::get_singleton()->globalize_path(p_path));
+ } else {
+ ERR_PRINT("C# project not found!");
+ }
+ }
+#endif
+
+ Error err;
+ FileAccess *file = FileAccess::open(p_path, FileAccess::WRITE, &err);
+ ERR_FAIL_COND_V(err, err);
+
+ file->store_string(source);
+
+ if (file->get_error() != OK && file->get_error() != ERR_FILE_EOF) {
+ memdelete(file);
+ return ERR_CANT_CREATE;
+ }
+
+ file->close();
+ memdelete(file);
+
+ if (ScriptServer::is_reload_scripts_on_save_enabled()) {
+ CSharpLanguage::get_singleton()->reload_tool_script(p_resource, false);
+ }
+
+ return OK;
+}
+
+void ResourceFormatSaverCSharpScript::get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const {
+
+ if (Object::cast_to<CSharpScript>(p_resource.ptr())) {
+ p_extensions->push_back("cs");
+ }
+}
+
+bool ResourceFormatSaverCSharpScript::recognize(const RES &p_resource) const {
+
+ return Object::cast_to<CSharpScript>(p_resource.ptr()) != NULL;
+}
+
+CSharpLanguage::StringNameCache::StringNameCache() {
+
+ _awaited_signal_callback = StaticCString::create("_AwaitedSignalCallback");
+ _set = StaticCString::create("_set");
+ _get = StaticCString::create("_get");
+ _notification = StaticCString::create("_notification");
+ dotctor = StaticCString::create(".ctor");
+}