diff options
Diffstat (limited to 'modules/gdnative/nativescript/nativescript.cpp')
| -rw-r--r-- | modules/gdnative/nativescript/nativescript.cpp | 1212 |
1 files changed, 1212 insertions, 0 deletions
diff --git a/modules/gdnative/nativescript/nativescript.cpp b/modules/gdnative/nativescript/nativescript.cpp new file mode 100644 index 0000000000..b9bd65af53 --- /dev/null +++ b/modules/gdnative/nativescript/nativescript.cpp @@ -0,0 +1,1212 @@ +/*************************************************************************/ +/* nativescript.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 "nativescript.h" + +#include "gdnative/gdnative.h" + +#include "global_constants.h" +#include "io/file_access_encrypted.h" +#include "os/file_access.h" +#include "os/os.h" +#include "project_settings.h" + +#include "scene/main/scene_tree.h" +#include "scene/resources/scene_format_text.h" + +#ifndef NO_THREADS +#include "os/thread.h" +#endif + +#if defined(TOOLS_ENABLED) && defined(DEBUG_METHODS_ENABLED) +#include "api_generator.h" +#endif + +#ifdef TOOLS_ENABLED +#include "editor/editor_node.h" +#endif + +////// Script stuff + +void NativeScript::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_class_name", "class_name"), &NativeScript::set_class_name); + ClassDB::bind_method(D_METHOD("get_class_name"), &NativeScript::get_class_name); + + ClassDB::bind_method(D_METHOD("set_library", "library"), &NativeScript::set_library); + ClassDB::bind_method(D_METHOD("get_library"), &NativeScript::get_library); + + ADD_PROPERTYNZ(PropertyInfo(Variant::STRING, "class_name"), "set_class_name", "get_class_name"); + ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT, "library", PROPERTY_HINT_RESOURCE_TYPE, "GDNativeLibrary"), "set_library", "get_library"); + + ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "new", &NativeScript::_new, MethodInfo(Variant::OBJECT, "new")); +} + +#define NSL NativeScriptLanguage::get_singleton() + +#ifdef TOOLS_ENABLED + +void NativeScript::_update_placeholder(PlaceHolderScriptInstance *p_placeholder) { + NativeScriptDesc *script_data = get_script_desc(); + + ERR_FAIL_COND(!script_data); + + List<PropertyInfo> info; + get_script_property_list(&info); + Map<StringName, Variant> values; + for (List<PropertyInfo>::Element *E = info.front(); E; E = E->next()) { + Variant value; + get_property_default_value(E->get().name, value); + values[E->get().name] = value; + } + + p_placeholder->update(info, values); +} + +void NativeScript::_placeholder_erased(PlaceHolderScriptInstance *p_placeholder) { + placeholders.erase(p_placeholder); +} + +#endif + +void NativeScript::set_class_name(String p_class_name) { + class_name = p_class_name; +} + +String NativeScript::get_class_name() const { + return class_name; +} + +void NativeScript::set_library(Ref<GDNativeLibrary> p_library) { + if (!library.is_null()) { + WARN_PRINT("library on NativeScript already set. Do nothing."); + return; + } + library = p_library; + lib_path = library->get_active_library_path(); + +#ifndef NO_THREADS + if (Thread::get_caller_id() != Thread::get_main_id()) { + NSL->defer_init_library(p_library, this); + } else +#endif + { + NSL->init_library(p_library); + NSL->register_script(this); + } +} + +Ref<GDNativeLibrary> NativeScript::get_library() const { + return library; +} + +bool NativeScript::can_instance() const { + + NativeScriptDesc *script_data = get_script_desc(); + +#ifdef TOOLS_ENABLED + + return script_data || (!is_tool() && !ScriptServer::is_scripting_enabled()); +#else + return script_data; +#endif +} + +// TODO(karroffel): implement this +Ref<Script> NativeScript::get_base_script() const { + NativeScriptDesc *script_data = get_script_desc(); + + if (!script_data) + return Ref<Script>(); + + Ref<NativeScript> ns = Ref<NativeScript>(NSL->create_script()); + ns->set_class_name(script_data->base); + ns->set_library(get_library()); + return ns; +} + +StringName NativeScript::get_instance_base_type() const { + NativeScriptDesc *script_data = get_script_desc(); + + if (!script_data) + return ""; + + return script_data->base_native_type; +} + +ScriptInstance *NativeScript::instance_create(Object *p_this) { + + NativeScriptDesc *script_data = get_script_desc(); + + if (!script_data) { + return NULL; + } + +#ifdef TOOLS_ENABLED + if (!ScriptServer::is_scripting_enabled() && !is_tool()) { + // placeholder for nodes. For tools we want the rool thing. + + PlaceHolderScriptInstance *sins = memnew(PlaceHolderScriptInstance(NSL, Ref<Script>(this), p_this)); + placeholders.insert(sins); + + if (script_data->create_func.create_func) { + script_data->create_func.create_func( + (godot_object *)p_this, + script_data->create_func.method_data); + } + + _update_placeholder(sins); + + return sins; + } +#endif + + NativeScriptInstance *nsi = memnew(NativeScriptInstance); + + nsi->owner = p_this; + nsi->script = Ref<NativeScript>(this); + +#ifndef TOOLS_ENABLED + if (!ScriptServer::is_scripting_enabled()) { + nsi->userdata = NULL; + } else { + nsi->userdata = script_data->create_func.create_func((godot_object *)p_this, script_data->create_func.method_data); + } +#else + nsi->userdata = script_data->create_func.create_func((godot_object *)p_this, script_data->create_func.method_data); +#endif + +#ifndef NO_THREADS + owners_lock->lock(); +#endif + + instance_owners.insert(p_this); + +#ifndef NO_THREADS + owners_lock->unlock(); +#endif + + return nsi; +} + +bool NativeScript::instance_has(const Object *p_this) const { + return instance_owners.has((Object *)p_this); +} + +bool NativeScript::has_source_code() const { + return false; +} + +String NativeScript::get_source_code() const { + return ""; +} + +void NativeScript::set_source_code(const String &p_code) { +} + +Error NativeScript::reload(bool p_keep_state) { + return FAILED; +} + +bool NativeScript::has_method(const StringName &p_method) const { + NativeScriptDesc *script_data = get_script_desc(); + + while (script_data) { + if (script_data->methods.has(p_method)) + return true; + + script_data = script_data->base_data; + } + return false; +} + +MethodInfo NativeScript::get_method_info(const StringName &p_method) const { + NativeScriptDesc *script_data = get_script_desc(); + + if (!script_data) + return MethodInfo(); + + while (script_data) { + Map<StringName, NativeScriptDesc::Method>::Element *M = script_data->methods.find(p_method); + + if (M) + return M->get().info; + + script_data = script_data->base_data; + } + return MethodInfo(); +} + +bool NativeScript::is_tool() const { + NativeScriptDesc *script_data = get_script_desc(); + + if (script_data) + return script_data->is_tool; + + return false; +} + +String NativeScript::get_node_type() const { + return ""; // NOTE(karroffel): uhm? +} + +ScriptLanguage *NativeScript::get_language() const { + return NativeScriptLanguage::get_singleton(); +} + +bool NativeScript::has_script_signal(const StringName &p_signal) const { + NativeScriptDesc *script_data = get_script_desc(); + + while (script_data) { + if (script_data->signals_.has(p_signal)) + return true; + script_data = script_data->base_data; + } + return false; +} + +void NativeScript::get_script_signal_list(List<MethodInfo> *r_signals) const { + NativeScriptDesc *script_data = get_script_desc(); + + if (!script_data) + return; + + Set<MethodInfo> signals_; + + while (script_data) { + + for (Map<StringName, NativeScriptDesc::Signal>::Element *S = script_data->signals_.front(); S; S = S->next()) { + signals_.insert(S->get().signal); + } + + script_data = script_data->base_data; + } + + for (Set<MethodInfo>::Element *E = signals_.front(); E; E = E->next()) { + r_signals->push_back(E->get()); + } +} + +bool NativeScript::get_property_default_value(const StringName &p_property, Variant &r_value) const { + NativeScriptDesc *script_data = get_script_desc(); + + OrderedHashMap<StringName, NativeScriptDesc::Property>::Element P; + while (!P && script_data) { + P = script_data->properties.find(p_property); + script_data = script_data->base_data; + } + if (!P) + return false; + + r_value = P.get().default_value; + return true; +} + +void NativeScript::update_exports() { +} + +void NativeScript::get_script_method_list(List<MethodInfo> *p_list) const { + NativeScriptDesc *script_data = get_script_desc(); + + if (!script_data) + return; + + Set<MethodInfo> methods; + + while (script_data) { + + for (Map<StringName, NativeScriptDesc::Method>::Element *E = script_data->methods.front(); E; E = E->next()) { + methods.insert(E->get().info); + } + + script_data = script_data->base_data; + } + + for (Set<MethodInfo>::Element *E = methods.front(); E; E = E->next()) { + p_list->push_back(E->get()); + } +} + +void NativeScript::get_script_property_list(List<PropertyInfo> *p_list) const { + NativeScriptDesc *script_data = get_script_desc(); + + Set<StringName> existing_properties; + while (script_data) { + List<PropertyInfo>::Element *insert_position = p_list->front(); + bool insert_before = true; + + for (OrderedHashMap<StringName, NativeScriptDesc::Property>::Element E = script_data->properties.front(); E; E = E.next()) { + if (!existing_properties.has(E.key())) { + insert_position = insert_before ? p_list->insert_before(insert_position, E.get().info) : p_list->insert_after(insert_position, E.get().info); + insert_before = false; + existing_properties.insert(E.key()); + } + } + script_data = script_data->base_data; + } +} + +Variant NativeScript::_new(const Variant **p_args, int p_argcount, Variant::CallError &r_error) { + + if (lib_path.empty() || class_name.empty() || library.is_null()) { + r_error.error = Variant::CallError::CALL_ERROR_INSTANCE_IS_NULL; + return Variant(); + } + + NativeScriptDesc *script_data = get_script_desc(); + + if (!script_data) { + r_error.error = Variant::CallError::CALL_ERROR_INSTANCE_IS_NULL; + return Variant(); + } + + r_error.error = Variant::CallError::CALL_OK; + + REF ref; + Object *owner = NULL; + + if (!(script_data->base_native_type == "")) { + owner = ClassDB::instance(script_data->base_native_type); + } else { + owner = memnew(Reference); + } + + Reference *r = Object::cast_to<Reference>(owner); + if (r) { + ref = REF(r); + } + + NativeScriptInstance *instance = (NativeScriptInstance *)instance_create(owner); + + owner->set_script_instance(instance); + + if (!instance) { + if (ref.is_null()) { + memdelete(owner); //no owner, sorry + } + return Variant(); + } + + if (ref.is_valid()) { + return ref; + } else { + return owner; + } +} + +// TODO(karroffel): implement this +NativeScript::NativeScript() { + library = Ref<GDNative>(); + lib_path = ""; + class_name = ""; +#ifndef NO_THREADS + owners_lock = Mutex::create(); +#endif +} + +// TODO(karroffel): implement this +NativeScript::~NativeScript() { + NSL->unregister_script(this); + +#ifndef NO_THREADS + memdelete(owners_lock); +#endif +} + +////// ScriptInstance stuff + +#define GET_SCRIPT_DESC() script->get_script_desc() + +void NativeScriptInstance::_ml_call_reversed(NativeScriptDesc *script_data, const StringName &p_method, const Variant **p_args, int p_argcount) { + if (script_data->base_data) { + _ml_call_reversed(script_data->base_data, p_method, p_args, p_argcount); + } + + Map<StringName, NativeScriptDesc::Method>::Element *E = script_data->methods.find(p_method); + if (E) { + godot_variant res = E->get().method.method((godot_object *)owner, E->get().method.method_data, userdata, p_argcount, (godot_variant **)p_args); + godot_variant_destroy(&res); + } +} + +bool NativeScriptInstance::set(const StringName &p_name, const Variant &p_value) { + NativeScriptDesc *script_data = GET_SCRIPT_DESC(); + + while (script_data) { + OrderedHashMap<StringName, NativeScriptDesc::Property>::Element P = script_data->properties.find(p_name); + if (P) { + P.get().setter.set_func((godot_object *)owner, + P.get().setter.method_data, + userdata, + (godot_variant *)&p_value); + return true; + } + + Map<StringName, NativeScriptDesc::Method>::Element *E = script_data->methods.find("_set"); + if (E) { + Variant name = p_name; + const Variant *args[2] = { &name, &p_value }; + + E->get().method.method((godot_object *)owner, + E->get().method.method_data, + userdata, + 2, + (godot_variant **)args); + return true; + } + + script_data = script_data->base_data; + } + return false; +} +bool NativeScriptInstance::get(const StringName &p_name, Variant &r_ret) const { + NativeScriptDesc *script_data = GET_SCRIPT_DESC(); + + while (script_data) { + OrderedHashMap<StringName, NativeScriptDesc::Property>::Element P = script_data->properties.find(p_name); + if (P) { + godot_variant value; + value = P.get().getter.get_func((godot_object *)owner, + P.get().getter.method_data, + userdata); + r_ret = *(Variant *)&value; + godot_variant_destroy(&value); + return true; + } + + Map<StringName, NativeScriptDesc::Method>::Element *E = script_data->methods.find("_get"); + if (E) { + Variant name = p_name; + const Variant *args[1] = { &name }; + + godot_variant result; + result = E->get().method.method((godot_object *)owner, + E->get().method.method_data, + userdata, + 1, + (godot_variant **)args); + r_ret = *(Variant *)&result; + godot_variant_destroy(&result); + if (r_ret.get_type() == Variant::NIL) { + return false; + } + return true; + } + + script_data = script_data->base_data; + } + return false; +} + +void NativeScriptInstance::get_property_list(List<PropertyInfo> *p_properties) const { + script->get_script_property_list(p_properties); + + NativeScriptDesc *script_data = GET_SCRIPT_DESC(); + + while (script_data) { + + Map<StringName, NativeScriptDesc::Method>::Element *E = script_data->methods.find("_get_property_list"); + if (E) { + + godot_variant result; + result = E->get().method.method((godot_object *)owner, + E->get().method.method_data, + userdata, + 0, + NULL); + Variant res = *(Variant *)&result; + godot_variant_destroy(&result); + + if (res.get_type() != Variant::ARRAY) { + ERR_EXPLAIN("_get_property_list must return an array of dictionaries"); + ERR_FAIL(); + } + + Array arr = res; + for (int i = 0; i < arr.size(); i++) { + Dictionary d = arr[i]; + + ERR_CONTINUE(!d.has("name")); + ERR_CONTINUE(!d.has("type")); + + PropertyInfo info; + + info.type = Variant::Type(d["type"].operator int64_t()); + ERR_CONTINUE(info.type < 0 || info.type >= Variant::VARIANT_MAX); + + info.name = d["name"]; + ERR_CONTINUE(info.name == ""); + + if (d.has("hint")) { + info.hint = PropertyHint(d["hint"].operator int64_t()); + } + + if (d.has("hint_string")) { + info.hint_string = d["hint_string"]; + } + + if (d.has("usage")) { + info.usage = d["usage"]; + } + + p_properties->push_back(info); + } + } + + script_data = script_data->base_data; + } + return; +} + +Variant::Type NativeScriptInstance::get_property_type(const StringName &p_name, bool *r_is_valid) const { + + NativeScriptDesc *script_data = GET_SCRIPT_DESC(); + + while (script_data) { + + OrderedHashMap<StringName, NativeScriptDesc::Property>::Element P = script_data->properties.find(p_name); + if (P) { + *r_is_valid = true; + return P.get().info.type; + } + + script_data = script_data->base_data; + } + return Variant::NIL; +} + +void NativeScriptInstance::get_method_list(List<MethodInfo> *p_list) const { + script->get_method_list(p_list); +} + +bool NativeScriptInstance::has_method(const StringName &p_method) const { + return script->has_method(p_method); +} + +Variant NativeScriptInstance::call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) { + + NativeScriptDesc *script_data = GET_SCRIPT_DESC(); + + while (script_data) { + Map<StringName, NativeScriptDesc::Method>::Element *E = script_data->methods.find(p_method); + if (E) { + godot_variant result; + result = E->get().method.method((godot_object *)owner, + E->get().method.method_data, + userdata, + p_argcount, + (godot_variant **)p_args); + Variant res = *(Variant *)&result; + godot_variant_destroy(&result); + r_error.error = Variant::CallError::CALL_OK; + return res; + } + + script_data = script_data->base_data; + } + + r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD; + return Variant(); +} + +void NativeScriptInstance::notification(int p_notification) { + Variant value = p_notification; + const Variant *args[1] = { &value }; + call_multilevel("_notification", args, 1); +} + +void NativeScriptInstance::refcount_incremented() { + Variant::CallError err; + call("_refcount_incremented", NULL, 0, err); + if (err.error != Variant::CallError::CALL_OK && err.error != Variant::CallError::CALL_ERROR_INVALID_METHOD) { + ERR_PRINT("Failed to invoke _refcount_incremented - should not happen"); + } +} + +bool NativeScriptInstance::refcount_decremented() { + Variant::CallError err; + Variant ret = call("_refcount_decremented", NULL, 0, err); + if (err.error != Variant::CallError::CALL_OK && err.error != Variant::CallError::CALL_ERROR_INVALID_METHOD) { + ERR_PRINT("Failed to invoke _refcount_decremented - should not happen"); + return true; // assume we can destroy the object + } + if (err.error == Variant::CallError::CALL_ERROR_INVALID_METHOD) { + // the method does not exist, default is true + return true; + } + return ret; +} + +Ref<Script> NativeScriptInstance::get_script() const { + return script; +} + +NativeScriptInstance::RPCMode NativeScriptInstance::get_rpc_mode(const StringName &p_method) const { + + NativeScriptDesc *script_data = GET_SCRIPT_DESC(); + + while (script_data) { + + Map<StringName, NativeScriptDesc::Method>::Element *E = script_data->methods.find(p_method); + if (E) { + switch (E->get().rpc_mode) { + case GODOT_METHOD_RPC_MODE_DISABLED: + return RPC_MODE_DISABLED; + case GODOT_METHOD_RPC_MODE_REMOTE: + return RPC_MODE_REMOTE; + case GODOT_METHOD_RPC_MODE_SYNC: + return RPC_MODE_SYNC; + case GODOT_METHOD_RPC_MODE_MASTER: + return RPC_MODE_MASTER; + case GODOT_METHOD_RPC_MODE_SLAVE: + return RPC_MODE_SLAVE; + default: + return RPC_MODE_DISABLED; + } + } + + script_data = script_data->base_data; + } + + return RPC_MODE_DISABLED; +} + +// TODO(karroffel): implement this +NativeScriptInstance::RPCMode NativeScriptInstance::get_rset_mode(const StringName &p_variable) const { + + NativeScriptDesc *script_data = GET_SCRIPT_DESC(); + + while (script_data) { + + OrderedHashMap<StringName, NativeScriptDesc::Property>::Element E = script_data->properties.find(p_variable); + if (E) { + switch (E.get().rset_mode) { + case GODOT_METHOD_RPC_MODE_DISABLED: + return RPC_MODE_DISABLED; + case GODOT_METHOD_RPC_MODE_REMOTE: + return RPC_MODE_REMOTE; + case GODOT_METHOD_RPC_MODE_SYNC: + return RPC_MODE_SYNC; + case GODOT_METHOD_RPC_MODE_MASTER: + return RPC_MODE_MASTER; + case GODOT_METHOD_RPC_MODE_SLAVE: + return RPC_MODE_SLAVE; + default: + return RPC_MODE_DISABLED; + } + } + + script_data = script_data->base_data; + } + + return RPC_MODE_DISABLED; +} + +ScriptLanguage *NativeScriptInstance::get_language() { + return NativeScriptLanguage::get_singleton(); +} + +void NativeScriptInstance::call_multilevel(const StringName &p_method, const Variant **p_args, int p_argcount) { + NativeScriptDesc *script_data = GET_SCRIPT_DESC(); + + while (script_data) { + Map<StringName, NativeScriptDesc::Method>::Element *E = script_data->methods.find(p_method); + if (E) { + godot_variant res = E->get().method.method((godot_object *)owner, + E->get().method.method_data, + userdata, + p_argcount, + (godot_variant **)p_args); + godot_variant_destroy(&res); + } + script_data = script_data->base_data; + } +} + +void NativeScriptInstance::call_multilevel_reversed(const StringName &p_method, const Variant **p_args, int p_argcount) { + NativeScriptDesc *script_data = GET_SCRIPT_DESC(); + + if (script_data) { + _ml_call_reversed(script_data, p_method, p_args, p_argcount); + } +} + +NativeScriptInstance::~NativeScriptInstance() { + + NativeScriptDesc *script_data = GET_SCRIPT_DESC(); + + if (!script_data) + return; + + script_data->destroy_func.destroy_func((godot_object *)owner, script_data->destroy_func.method_data, userdata); + + if (owner) { + +#ifndef NO_THREADS + script->owners_lock->lock(); +#endif + + script->instance_owners.erase(owner); + +#ifndef NO_THREADS + script->owners_lock->unlock(); +#endif + } +} + +////// ScriptingLanguage stuff + +NativeScriptLanguage *NativeScriptLanguage::singleton; + +extern "C" void _native_script_hook(); +void NativeScriptLanguage::_hacky_api_anchor() { + _native_script_hook(); +} + +void NativeScriptLanguage::_unload_stuff() { + for (Map<String, Map<StringName, NativeScriptDesc> >::Element *L = library_classes.front(); L; L = L->next()) { + for (Map<StringName, NativeScriptDesc>::Element *C = L->get().front(); C; C = C->next()) { + + // free property stuff first + for (OrderedHashMap<StringName, NativeScriptDesc::Property>::Element P = C->get().properties.front(); P; P = P.next()) { + if (P.get().getter.free_func) + P.get().getter.free_func(P.get().getter.method_data); + + if (P.get().setter.free_func) + P.get().setter.free_func(P.get().setter.method_data); + } + + // free method stuff + for (Map<StringName, NativeScriptDesc::Method>::Element *M = C->get().methods.front(); M; M = M->next()) { + if (M->get().method.free_func) + M->get().method.free_func(M->get().method.method_data); + } + + // free constructor/destructor + if (C->get().create_func.free_func) + C->get().create_func.free_func(C->get().create_func.method_data); + + if (C->get().destroy_func.free_func) + C->get().destroy_func.free_func(C->get().destroy_func.method_data); + } + } +} + +NativeScriptLanguage::NativeScriptLanguage() { + NativeScriptLanguage::singleton = this; +#ifndef NO_THREADS + mutex = Mutex::create(); +#endif +} + +// TODO(karroffel): implement this +NativeScriptLanguage::~NativeScriptLanguage() { + // _unload_stuff(); // NOTE(karroffel): This gets called in ::finish() + + for (Map<String, Ref<GDNative> >::Element *L = NSL->library_gdnatives.front(); L; L = L->next()) { + + L->get()->terminate(); + NSL->library_classes.clear(); + NSL->library_gdnatives.clear(); + NSL->library_script_users.clear(); + } + +#ifndef NO_THREADS + memdelete(mutex); +#endif +} + +String NativeScriptLanguage::get_name() const { + return "NativeScript"; +} + +void _add_reload_node() { +#ifdef TOOLS_ENABLED + NativeReloadNode *rn = memnew(NativeReloadNode); + EditorNode::get_singleton()->add_child(rn); +#endif +} + +// TODO(karroffel): implement this +void NativeScriptLanguage::init() { + +#if defined(TOOLS_ENABLED) && defined(DEBUG_METHODS_ENABLED) + + List<String> args = OS::get_singleton()->get_cmdline_args(); + + List<String>::Element *E = args.find("--gdnative-generate-json-api"); + + if (E && E->next()) { + if (generate_c_api(E->next()->get()) != OK) { + ERR_PRINT("Failed to generate C API\n"); + } + } +#endif + +#ifdef TOOLS_ENABLED + EditorNode::add_init_callback(&_add_reload_node); +#endif +} +String NativeScriptLanguage::get_type() const { + return "NativeScript"; +} +String NativeScriptLanguage::get_extension() const { + return "gdns"; +} +Error NativeScriptLanguage::execute_file(const String &p_path) { + return OK; // Qué? +} +void NativeScriptLanguage::finish() { + _unload_stuff(); +} +void NativeScriptLanguage::get_reserved_words(List<String> *p_words) const { +} +void NativeScriptLanguage::get_comment_delimiters(List<String> *p_delimiters) const { +} +void NativeScriptLanguage::get_string_delimiters(List<String> *p_delimiters) const { +} + +// TODO(karroffel): implement this +Ref<Script> NativeScriptLanguage::get_template(const String &p_class_name, const String &p_base_class_name) const { + NativeScript *s = memnew(NativeScript); + s->set_class_name(p_class_name); + // TODO(karroffel): use p_base_class_name + return Ref<NativeScript>(s); +} +bool NativeScriptLanguage::validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path, List<String> *r_functions) const { + return false; +} + +Script *NativeScriptLanguage::create_script() const { + NativeScript *script = memnew(NativeScript); + return script; +} +bool NativeScriptLanguage::has_named_classes() const { + return true; +} +int NativeScriptLanguage::find_function(const String &p_function, const String &p_code) const { + return -1; +} +String NativeScriptLanguage::make_function(const String &p_class, const String &p_name, const PoolStringArray &p_args) const { + return ""; +} +void NativeScriptLanguage::auto_indent_code(String &p_code, int p_from_line, int p_to_line) const { +} +void NativeScriptLanguage::add_global_constant(const StringName &p_variable, const Variant &p_value) { +} + +// Debugging stuff here. Not used for now. +String NativeScriptLanguage::debug_get_error() const { + return ""; +} +int NativeScriptLanguage::debug_get_stack_level_count() const { + return -1; +} +int NativeScriptLanguage::debug_get_stack_level_line(int p_level) const { + return -1; +} +String NativeScriptLanguage::debug_get_stack_level_function(int p_level) const { + return ""; +} +String NativeScriptLanguage::debug_get_stack_level_source(int p_level) const { + return ""; +} +void NativeScriptLanguage::debug_get_stack_level_locals(int p_level, List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth) { +} +void NativeScriptLanguage::debug_get_stack_level_members(int p_level, List<String> *p_members, List<Variant> *p_values, int p_max_subitems, int p_max_depth) { +} +void NativeScriptLanguage::debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth) { +} +String NativeScriptLanguage::debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems, int p_max_depth) { + return ""; +} +// Debugging stuff end. + +void NativeScriptLanguage::reload_all_scripts() { +} + +void NativeScriptLanguage::reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload) { +} +void NativeScriptLanguage::get_recognized_extensions(List<String> *p_extensions) const { + p_extensions->push_back("gdns"); +} + +void NativeScriptLanguage::get_public_functions(List<MethodInfo> *p_functions) const { +} + +void NativeScriptLanguage::get_public_constants(List<Pair<String, Variant> > *p_constants) const { +} + +void NativeScriptLanguage::profiling_start() { +} + +void NativeScriptLanguage::profiling_stop() { +} + +int NativeScriptLanguage::profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max) { + return 0; +} + +int NativeScriptLanguage::profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max) { + return 0; +} + +#ifndef NO_THREADS +void NativeScriptLanguage::defer_init_library(Ref<GDNativeLibrary> lib, NativeScript *script) { + MutexLock lock(mutex); + libs_to_init.insert(lib); + scripts_to_register.insert(script); + has_objects_to_register = true; +} +#endif + +void NativeScriptLanguage::init_library(const Ref<GDNativeLibrary> &lib) { +#ifndef NO_THREADS + MutexLock lock(mutex); +#endif + // See if this library was "registered" already. + const String &lib_path = lib->get_active_library_path(); + ERR_EXPLAIN(lib->get_name() + " does not have a library for the current platform"); + ERR_FAIL_COND(lib_path.length() == 0); + Map<String, Ref<GDNative> >::Element *E = library_gdnatives.find(lib_path); + + if (!E) { + Ref<GDNative> gdn; + gdn.instance(); + gdn->set_library(lib); + + // TODO(karroffel): check the return value? + gdn->initialize(); + + library_gdnatives.insert(lib_path, gdn); + + library_classes.insert(lib_path, Map<StringName, NativeScriptDesc>()); + + if (!library_script_users.has(lib_path)) + library_script_users.insert(lib_path, Set<NativeScript *>()); + + void *args[1] = { + (void *)&lib_path + }; + + // here the library registers all the classes and stuff. + gdn->call_native_raw(_init_call_type, + _init_call_name, + NULL, + 1, + args, + NULL); + } else { + // already initialized. Nice. + } +} + +void NativeScriptLanguage::register_script(NativeScript *script) { +#ifndef NO_THREADS + MutexLock lock(mutex); +#endif + library_script_users[script->lib_path].insert(script); +} + +void NativeScriptLanguage::unregister_script(NativeScript *script) { +#ifndef NO_THREADS + MutexLock lock(mutex); +#endif + Map<String, Set<NativeScript *> >::Element *S = library_script_users.find(script->lib_path); + if (S) { + S->get().erase(script); + if (S->get().size() == 0) { + library_script_users.erase(S); + } + } +#ifndef NO_THREADS + scripts_to_register.erase(script); +#endif +} + +void NativeScriptLanguage::call_libraries_cb(const StringName &name) { + // library_gdnatives is modified only from the main thread, so it's safe not to use mutex here + for (Map<String, Ref<GDNative> >::Element *L = library_gdnatives.front(); L; L = L->next()) { + if (L->get()->is_initialized()) { + L->get()->call_native_raw( + _noarg_call_type, + name, + NULL, + 0, + NULL, + NULL); + } + } +} + +void NativeScriptLanguage::frame() { +#ifndef NO_THREADS + if (has_objects_to_register) { + MutexLock lock(mutex); + for (Set<Ref<GDNativeLibrary> >::Element *L = libs_to_init.front(); L; L = L->next()) { + init_library(L->get()); + } + libs_to_init.clear(); + for (Set<NativeScript *>::Element *S = scripts_to_register.front(); S; S = S->next()) { + register_script(S->get()); + } + scripts_to_register.clear(); + has_objects_to_register = false; + } +#endif + call_libraries_cb(_frame_call_name); +} + +#ifndef NO_THREADS + +void NativeScriptLanguage::thread_enter() { + call_libraries_cb(_thread_enter_call_name); +} + +void NativeScriptLanguage::thread_exit() { + call_libraries_cb(_thread_exit_call_name); +} + +#endif // NO_THREADS + +void NativeReloadNode::_bind_methods() { + ClassDB::bind_method(D_METHOD("_notification"), &NativeReloadNode::_notification); +} + +void NativeReloadNode::_notification(int p_what) { +#ifdef TOOLS_ENABLED + + switch (p_what) { + case MainLoop::NOTIFICATION_WM_FOCUS_OUT: { + + if (unloaded) + break; +#ifndef NO_THREADS + MutexLock lock(NSL->mutex); +#endif + NSL->_unload_stuff(); + for (Map<String, Ref<GDNative> >::Element *L = NSL->library_gdnatives.front(); L; L = L->next()) { + + L->get()->terminate(); + NSL->library_classes.erase(L->key()); + } + + unloaded = true; + + } break; + + case MainLoop::NOTIFICATION_WM_FOCUS_IN: { + + if (!unloaded) + break; +#ifndef NO_THREADS + MutexLock lock(NSL->mutex); +#endif + Set<StringName> libs_to_remove; + for (Map<String, Ref<GDNative> >::Element *L = NSL->library_gdnatives.front(); L; L = L->next()) { + + if (!L->get()->initialize()) { + libs_to_remove.insert(L->key()); + continue; + } + + NSL->library_classes.insert(L->key(), Map<StringName, NativeScriptDesc>()); + + void *args[1] = { + (void *)&L->key() + }; + + // here the library registers all the classes and stuff. + L->get()->call_native_raw(NSL->_init_call_type, + NSL->_init_call_name, + NULL, + 1, + args, + NULL); + + for (Map<String, Set<NativeScript *> >::Element *U = NSL->library_script_users.front(); U; U = U->next()) { + for (Set<NativeScript *>::Element *S = U->get().front(); S; S = S->next()) { + NativeScript *script = S->get(); + + if (script->placeholders.size() == 0) + continue; + + for (Set<PlaceHolderScriptInstance *>::Element *P = script->placeholders.front(); P; P = P->next()) { + script->_update_placeholder(P->get()); + } + } + } + } + + unloaded = false; + + for (Set<StringName>::Element *R = libs_to_remove.front(); R; R = R->next()) { + NSL->library_gdnatives.erase(R->get()); + } + + } break; + default: { + }; + } +#endif +} + +RES ResourceFormatLoaderNativeScript::load(const String &p_path, const String &p_original_path, Error *r_error) { + ResourceFormatLoaderText rsflt; + return rsflt.load(p_path, p_original_path, r_error); +} + +void ResourceFormatLoaderNativeScript::get_recognized_extensions(List<String> *p_extensions) const { + p_extensions->push_back("gdns"); +} + +bool ResourceFormatLoaderNativeScript::handles_type(const String &p_type) const { + return (p_type == "Script" || p_type == "NativeScript"); +} + +String ResourceFormatLoaderNativeScript::get_resource_type(const String &p_path) const { + String el = p_path.get_extension().to_lower(); + if (el == "gdns") + return "NativeScript"; + return ""; +} + +Error ResourceFormatSaverNativeScript::save(const String &p_path, const RES &p_resource, uint32_t p_flags) { + ResourceFormatSaverText rfst; + return rfst.save(p_path, p_resource, p_flags); +} + +bool ResourceFormatSaverNativeScript::recognize(const RES &p_resource) const { + return Object::cast_to<NativeScript>(*p_resource) != NULL; +} + +void ResourceFormatSaverNativeScript::get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const { + if (Object::cast_to<NativeScript>(*p_resource)) { + p_extensions->push_back("gdns"); + } +} |