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| // Copyright 2020 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // clang-format off |
| |
| // This file has been auto-generated by bindings/code_generator_cobalt.py. DO NOT MODIFY! |
| // Auto-generated from template: bindings/v8c/templates/interface.cc.template |
| |
| #include "cobalt/bindings/shared/idl_conditional_macros.h" |
| |
| #include "cobalt/bindings/testing/v8c_base_interface.h" |
| |
| #include "base/trace_event/trace_event.h" |
| #include "cobalt/base/polymorphic_downcast.h" |
| #include "cobalt/script/global_environment.h" |
| #include "cobalt/script/script_value.h" |
| #include "cobalt/script/value_handle.h" |
| |
| #include "v8c_gen_type_conversion.h" |
| |
| #include "cobalt/script/callback_interface_traits.h" |
| #include "cobalt/script/v8c/v8c_array_buffer.h" |
| #include "cobalt/script/v8c/v8c_array_buffer_view.h" |
| #include "cobalt/script/v8c/callback_function_conversion.h" |
| #include "cobalt/script/v8c/conversion_helpers.h" |
| #include "cobalt/script/v8c/entry_scope.h" |
| #include "cobalt/script/v8c/helpers.h" |
| #include "cobalt/script/v8c/native_promise.h" |
| #include "cobalt/script/v8c/type_traits.h" |
| #include "cobalt/script/v8c/v8c_typed_arrays.h" |
| #include "cobalt/script/v8c/v8c_data_view.h" |
| #include "cobalt/script/v8c/v8c_callback_function.h" |
| #include "cobalt/script/v8c/v8c_callback_interface_holder.h" |
| #include "cobalt/script/v8c/v8c_engine.h" |
| #include "cobalt/script/v8c/v8c_exception_state.h" |
| #include "cobalt/script/v8c/v8c_global_environment.h" |
| #include "cobalt/script/v8c/v8c_property_enumerator.h" |
| #include "cobalt/script/v8c/v8c_value_handle.h" |
| #include "cobalt/script/v8c/wrapper_private.h" |
| #include "cobalt/script/v8c/common_v8c_bindings_code.h" |
| #include "v8/include/v8.h" |
| |
| |
| namespace { |
| using cobalt::bindings::testing::BaseInterface; |
| using cobalt::bindings::testing::V8cBaseInterface; |
| using cobalt::script::CallbackInterfaceTraits; |
| using cobalt::script::GlobalEnvironment; |
| using cobalt::script::ScriptValue; |
| using cobalt::script::ValueHandle; |
| using cobalt::script::ValueHandle; |
| using cobalt::script::ValueHandleHolder; |
| using cobalt::script::Wrappable; |
| |
| using cobalt::script::v8c::EntryScope; |
| using cobalt::script::v8c::EscapableEntryScope; |
| using cobalt::script::v8c::FromJSValue; |
| using cobalt::script::v8c::kConversionFlagClamped; |
| using cobalt::script::v8c::kConversionFlagNullable; |
| using cobalt::script::v8c::kConversionFlagObjectOnly; |
| using cobalt::script::v8c::kConversionFlagRestricted; |
| using cobalt::script::v8c::kConversionFlagTreatNullAsEmptyString; |
| using cobalt::script::v8c::kConversionFlagTreatUndefinedAsEmptyString; |
| using cobalt::script::v8c::kNoConversionFlags; |
| using cobalt::script::v8c::NewInternalString; |
| using cobalt::script::v8c::ToJSValue; |
| using cobalt::script::v8c::TypeTraits; |
| using cobalt::script::v8c::V8cExceptionState; |
| using cobalt::script::v8c::V8cGlobalEnvironment; |
| using cobalt::script::v8c::V8cPropertyEnumerator; |
| using cobalt::script::v8c::WrapperFactory; |
| using cobalt::script::v8c::WrapperPrivate; |
| } // namespace |
| |
| namespace cobalt { |
| namespace bindings { |
| namespace testing { |
| |
| |
| namespace { |
| |
| const int kInterfaceUniqueId = 4; |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| void Constructor(const v8::FunctionCallbackInfo<v8::Value>& info) { |
| v8::Isolate* isolate = info.GetIsolate(); |
| V8cExceptionState exception_state(isolate); |
| if (!info.IsConstructCall()) { |
| exception_state.SetSimpleException(script::kTypeError, "Illegal constructor"); |
| return; |
| } |
| |
| scoped_refptr<BaseInterface> new_object = |
| new BaseInterface(); |
| v8::Local<v8::Value> result_value; |
| ToJSValue(isolate, new_object, &result_value); |
| DCHECK(result_value->IsObject()); |
| info.GetReturnValue().Set(result_value); |
| } |
| |
| |
| |
| void baseAttributeAttributeGetter( |
| const v8::FunctionCallbackInfo<v8::Value>& info) { |
| script::v8c::shared_bindings::AttributeGetterImpl<BaseInterface, |
| V8cBaseInterface>( |
| info, |
| false, |
| false, |
| [](v8::Isolate* isolate, BaseInterface* impl, |
| cobalt::script::ExceptionState& exception_state, |
| v8::Local<v8::Value>& result_value) { |
| |
| ToJSValue(isolate, |
| impl->base_attribute(), |
| &result_value); |
| |
| }); |
| } |
| |
| |
| |
| |
| void baseOperationMethod(const v8::FunctionCallbackInfo<v8::Value>& info) { |
| v8::Isolate* isolate = info.GetIsolate(); |
| v8::Local<v8::Object> object = info.Holder(); |
| if (!script::v8c::shared_bindings::object_implements_interface(V8cBaseInterface::GetTemplate(isolate), isolate, object)) { |
| return; |
| } |
| V8cExceptionState exception_state{isolate}; |
| v8::Local<v8::Value> result_value; |
| |
| BaseInterface* impl = |
| script::v8c::shared_bindings::get_impl_from_object< |
| BaseInterface>(object); |
| if (!impl) { |
| return; |
| } |
| |
| impl->BaseOperation(); |
| result_value = v8::Undefined(isolate); |
| |
| } |
| |
| |
| |
| void InitializeTemplate(v8::Isolate* isolate) { |
| // https://heycam.github.io/webidl/#interface-object |
| // 3.6.1. Interface object |
| // |
| // The interface object for a given interface is a built-in function object. |
| // It has properties that correspond to the constants and static operations |
| // defined on that interface, as described in sections 3.6.6 Constants and |
| // 3.6.8 Operations. |
| // |
| // If the interface is declared with a [Constructor] extended attribute, |
| // then the interface object can be called as a constructor to create an |
| // object that implements that interface. Calling that interface as a |
| // function will throw an exception. |
| // |
| // Interface objects whose interfaces are not declared with a [Constructor] |
| // extended attribute will throw when called, both as a function and as a |
| // constructor. |
| // |
| // An interface object for a non-callback interface has an associated object |
| // called the interface prototype object. This object has properties that |
| // correspond to the regular attributes and regular operations defined on |
| // the interface, and is described in more detail in 3.6.3 Interface |
| // prototype object. |
| v8::Local<v8::FunctionTemplate> function_template = |
| v8::FunctionTemplate::New( |
| isolate, |
| Constructor, |
| v8::Local<v8::Value>(), |
| v8::Local<v8::Signature>(), |
| 0); |
| function_template->SetLength(0); |
| function_template->SetClassName(NewInternalString(isolate, "BaseInterface")); |
| function_template->ReadOnlyPrototype(); |
| |
| v8::Local<v8::ObjectTemplate> prototype_template = function_template->PrototypeTemplate(); |
| v8::Local<v8::ObjectTemplate> instance_template = function_template->InstanceTemplate(); |
| instance_template->SetInternalFieldCount(WrapperPrivate::kInternalFieldCount); |
| |
| V8cGlobalEnvironment* global_environment = V8cGlobalEnvironment::GetFromIsolate(isolate); |
| global_environment->AddInterfaceData(kInterfaceUniqueId, function_template); |
| |
| |
| // https://heycam.github.io/webidl/#es-constants |
| // 3.6.6. Constants |
| // |
| // For each exposed constant defined on an interface A, there must be a |
| // corresponding property. The property has the following characteristics: |
| |
| // https://heycam.github.io/webidl/#es-attributes |
| // 3.6.7. Attributes |
| // |
| // For each exposed attribute of the interface there must exist a |
| // corresponding property. The characteristics of this property are as |
| // follows: |
| { |
| |
| script::v8c::shared_bindings::set_property_for_nonconstructor_attribute( |
| isolate, |
| // The property has attributes { [[Get]]: G, [[Set]]: S, [[Enumerable]]: |
| // true, [[Configurable]]: configurable }, where: configurable is false if |
| // the attribute was declared with the [Unforgeable] extended attribute and |
| // true otherwise; |
| true, |
| false, |
| false, |
| false, |
| function_template, |
| instance_template, |
| prototype_template, |
| "baseAttribute" |
| ,baseAttributeAttributeGetter |
| ); |
| |
| } |
| |
| // https://heycam.github.io/webidl/#es-operations |
| // 3.6.8. Operations |
| // |
| // For each unique identifier of an exposed operation defined on the |
| // interface, there must exist a corresponding property, unless the effective |
| // overload set for that identifier and operation and with an argument count |
| // of 0 has no entries. |
| // |
| // The characteristics of this property are as follows: |
| { |
| // The name of the property is the identifier. |
| v8::Local<v8::String> name = NewInternalString( |
| isolate, |
| "baseOperation"); |
| |
| // The property has attributes { [[Writable]]: B, [[Enumerable]]: true, |
| // [[Configurable]]: B }, where B is false if the operation is unforgeable |
| // on the interface, and true otherwise. |
| bool B = true; |
| v8::PropertyAttribute attributes = static_cast<v8::PropertyAttribute>( |
| B ? v8::None : (v8::ReadOnly | v8::DontDelete)); |
| |
| v8::Local<v8::FunctionTemplate> method_template = |
| v8::FunctionTemplate::New(isolate, baseOperationMethod); |
| method_template->RemovePrototype(); |
| method_template->SetLength(0); |
| |
| // The location of the property is determined as follows: |
| // Otherwise, the property exists solely on the interface's interface |
| // prototype object. |
| prototype_template-> |
| Set(name, method_template); |
| |
| // The value of the property is the result of creating an operation function |
| // given the operation, the interface, and the relevant Realm of the object |
| // that is the location of the property. |
| |
| // Note: that is, even if an includes statement was used to make an |
| // operation available on the interface, we pass in the interface which |
| // includes the interface mixin, and not the interface mixin on which the |
| // operation was originally declared. |
| } |
| |
| // https://heycam.github.io/webidl/#es-stringifier |
| // 3.6.8.2. Stringifiers |
| prototype_template->Set( |
| v8::Symbol::GetToStringTag(isolate), |
| NewInternalString(isolate, "BaseInterface"), |
| static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontEnum)); |
| |
| |
| |
| |
| |
| } |
| |
| } // namespace |
| |
| |
| v8::Local<v8::Object> V8cBaseInterface::CreateWrapper( |
| v8::Isolate* isolate, const scoped_refptr<Wrappable>& wrappable) { |
| EscapableEntryScope entry_scope(isolate); |
| v8::Local<v8::Context> context = isolate->GetCurrentContext(); |
| |
| V8cGlobalEnvironment* global_environment = V8cGlobalEnvironment::GetFromIsolate(isolate); |
| if (!global_environment->HasInterfaceData(kInterfaceUniqueId)) { |
| InitializeTemplate(isolate); |
| } |
| v8::Local<v8::FunctionTemplate> function_template = global_environment->GetInterfaceData(kInterfaceUniqueId); |
| |
| DCHECK(function_template->InstanceTemplate()->InternalFieldCount() == WrapperPrivate::kInternalFieldCount); |
| v8::Local<v8::Object> object = function_template->InstanceTemplate()->NewInstance(context).ToLocalChecked(); |
| DCHECK(object->InternalFieldCount() == WrapperPrivate::kInternalFieldCount); |
| |
| // This |WrapperPrivate|'s lifetime will be managed by V8. |
| new WrapperPrivate(isolate, wrappable, object); |
| return entry_scope.Escape(object); |
| } |
| |
| |
| v8::Local<v8::FunctionTemplate> V8cBaseInterface::GetTemplate(v8::Isolate* isolate) { |
| V8cGlobalEnvironment* global_environment = V8cGlobalEnvironment::GetFromIsolate(isolate); |
| if (!global_environment->HasInterfaceData(kInterfaceUniqueId)) { |
| InitializeTemplate(isolate); |
| } |
| return global_environment->GetInterfaceData(kInterfaceUniqueId); |
| } |
| |
| |
| } // namespace testing |
| } // namespace bindings |
| } // namespace cobalt |
| |
| |