src/cobalt/bindings/generated/v8c/testing/cobalt/bindings/testing/v8c_single_operation_interface.cc

// Copyright 2018 Google Inc. 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/callback-interface.cc.template


#include "cobalt/bindings/testing/v8c_single_operation_interface.h"
#include "cobalt/bindings/testing/arbitrary_interface.h"
#include "cobalt/bindings/testing/v8c_arbitrary_interface.h"

#include "v8c_gen_type_conversion.h"

#include "cobalt/script/logging_exception_state.h"
#include "cobalt/script/v8c/entry_scope.h"
#include "cobalt/script/v8c/v8c_callback_interface.h"
#include "cobalt/script/v8c/v8c_global_environment.h"
#include "v8/include/v8.h"

namespace {
using cobalt::bindings::testing::SingleOperationInterface;
using cobalt::bindings::testing::V8cSingleOperationInterface;
using cobalt::bindings::testing::ArbitraryInterface;
using cobalt::bindings::testing::V8cArbitraryInterface;

using cobalt::script::LoggingExceptionState;
using cobalt::script::v8c::EntryScope;
using cobalt::script::v8c::FromJSValue;
using cobalt::script::v8c::GetCallableForCallbackInterface;
using cobalt::script::v8c::ToJSValue;
using cobalt::script::v8c::V8cGlobalEnvironment;
}  // namespace

namespace cobalt {
namespace bindings {
namespace testing {

base::optional<int32_t > V8cSingleOperationInterface::HandleCallback(
    const scoped_refptr<script::Wrappable>& callback_this,
    const scoped_refptr<ArbitraryInterface>& value,
    bool* had_exception) const {
  base::optional<int32_t > cobalt_return_value;

  DCHECK(!this->IsEmpty());
  DCHECK(isolate_);

  EntryScope entry_scope(isolate_);
  v8::Local<v8::Context> context = isolate_->GetCurrentContext();

  v8::MaybeLocal<v8::Object> maybe_implementing_object = this->NewLocal(isolate_)->ToObject(context);
  v8::Local<v8::Object> implementing_object;
  if (!maybe_implementing_object.ToLocal(&implementing_object)) {
    *had_exception = true;
    return cobalt_return_value;
  }

  v8::MaybeLocal<v8::Object> maybe_callable =
      GetCallableForCallbackInterface(isolate_, implementing_object, "handleCallback");
  v8::Local<v8::Object> callable;
  if (!maybe_callable.ToLocal(&callable)) {
    NOTIMPLEMENTED();
    *had_exception = true;
    return cobalt_return_value;
  }
  DCHECK(callable->IsCallable());

  v8::Local<v8::Value> this_value;
  ToJSValue(isolate_, callback_this, &this_value);

  const int kNumArguments = 1;
  v8::Local<v8::Value> argv[kNumArguments];

  ToJSValue(isolate_, value, &argv[0]);

  v8::MaybeLocal<v8::Value> maybe_return_value =
      callable->CallAsFunction(isolate_->GetCurrentContext(), this_value, kNumArguments, argv);
  v8::Local<v8::Value> return_value;
  if (!maybe_return_value.ToLocal(&return_value)) {
    *had_exception = true;
  return cobalt_return_value;
  }

  LoggingExceptionState exception_state;
  FromJSValue(isolate_, return_value, 0, &exception_state, &cobalt_return_value);
  if (exception_state.is_exception_set()) {
    *had_exception = true;
  }

  return cobalt_return_value;

}

}  // namespace testing
}  // namespace bindings
}  // namespace cobalt