| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This file has been auto-generated from the Jinja2 template |
| // third_party/blink/renderer/bindings/templates/callback_function.cpp.tmpl |
| // by the script code_generator_v8.py. |
| // DO NOT MODIFY! |
| |
| // clang-format off |
| |
| #include "third_party/blink/renderer/bindings/tests/results/core/v8_any_callback_function_optional_any_arg.h" |
| |
| #include "base/stl_util.h" |
| #include "third_party/blink/renderer/bindings/core/v8/generated_code_helper.h" |
| #include "third_party/blink/renderer/bindings/core/v8/native_value_traits_impl.h" |
| #include "third_party/blink/renderer/bindings/core/v8/script_value.h" |
| #include "third_party/blink/renderer/bindings/core/v8/to_v8_for_core.h" |
| #include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h" |
| #include "third_party/blink/renderer/core/execution_context/execution_context.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_messages.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| |
| namespace blink { |
| |
| const char* V8AnyCallbackFunctionOptionalAnyArg::NameInHeapSnapshot() const { |
| return "V8AnyCallbackFunctionOptionalAnyArg"; |
| } |
| |
| v8::Maybe<ScriptValue> V8AnyCallbackFunctionOptionalAnyArg::Invoke(ScriptWrappable* callback_this_value, ScriptValue optionalAnyArg) { |
| if (!IsCallbackFunctionRunnable(CallbackRelevantScriptState(), |
| IncumbentScriptState())) { |
| // Wrapper-tracing for the callback function makes the function object and |
| // its creation context alive. Thus it's safe to use the creation context |
| // of the callback function here. |
| v8::HandleScope handle_scope(GetIsolate()); |
| v8::Local<v8::Object> callback_object = CallbackFunction(); |
| CHECK(!callback_object.IsEmpty()); |
| v8::Context::Scope context_scope(callback_object->CreationContext()); |
| V8ThrowException::ThrowError( |
| GetIsolate(), |
| ExceptionMessages::FailedToExecute( |
| "invoke", |
| "AnyCallbackFunctionOptionalAnyArg", |
| "The provided callback is no longer runnable.")); |
| return v8::Nothing<ScriptValue>(); |
| } |
| |
| // step: Prepare to run script with relevant settings. |
| ScriptState::Scope callback_relevant_context_scope( |
| CallbackRelevantScriptState()); |
| // step: Prepare to run a callback with stored settings. |
| v8::Context::BackupIncumbentScope backup_incumbent_scope( |
| IncumbentScriptState()->GetContext()); |
| |
| v8::Local<v8::Function> function; |
| // callback function's invoke: |
| // step 4. If ! IsCallable(F) is false: |
| // |
| // No [TreatNonObjectAsNull] presents. Must be always callable. |
| DCHECK(CallbackObject()->IsFunction()); |
| function = CallbackFunction(); |
| |
| v8::Local<v8::Value> this_arg; |
| this_arg = ToV8(callback_this_value, CallbackRelevantScriptState()); |
| |
| // step: Let esArgs be the result of converting args to an ECMAScript |
| // arguments list. If this throws an exception, set completion to the |
| // completion value representing the thrown exception and jump to the step |
| // labeled return. |
| v8::Local<v8::Object> argument_creation_context = |
| CallbackRelevantScriptState()->GetContext()->Global(); |
| ALLOW_UNUSED_LOCAL(argument_creation_context); |
| v8::Local<v8::Value> v8_optionalAnyArg = optionalAnyArg.V8Value(); |
| constexpr int argc = 1; |
| v8::Local<v8::Value> argv[] = { v8_optionalAnyArg }; |
| static_assert(static_cast<size_t>(argc) == base::size(argv), "size mismatch"); |
| |
| v8::Local<v8::Value> call_result; |
| // step: Let callResult be Call(X, thisArg, esArgs). |
| if (!V8ScriptRunner::CallFunction( |
| function, |
| ExecutionContext::From(CallbackRelevantScriptState()), |
| this_arg, |
| argc, |
| argv, |
| GetIsolate()).ToLocal(&call_result)) { |
| // step: If callResult is an abrupt completion, set completion to callResult |
| // and jump to the step labeled return. |
| return v8::Nothing<ScriptValue>(); |
| } |
| |
| // step: Set completion to the result of converting callResult.[[Value]] to |
| // an IDL value of the same type as the operation's return type. |
| { |
| ExceptionState exception_state(GetIsolate(), |
| ExceptionState::kExecutionContext, |
| "AnyCallbackFunctionOptionalAnyArg", |
| "invoke"); |
| auto native_result = |
| NativeValueTraits<ScriptValue>::NativeValue( |
| GetIsolate(), call_result, exception_state); |
| if (exception_state.HadException()) |
| return v8::Nothing<ScriptValue>(); |
| else |
| return v8::Just<ScriptValue>(native_result); |
| } |
| } |
| |
| v8::Maybe<ScriptValue> V8AnyCallbackFunctionOptionalAnyArg::Construct(ScriptValue optionalAnyArg) { |
| if (!IsCallbackFunctionRunnable(CallbackRelevantScriptState(), |
| IncumbentScriptState())) { |
| // Wrapper-tracing for the callback function makes the function object and |
| // its creation context alive. Thus it's safe to use the creation context |
| // of the callback function here. |
| v8::HandleScope handle_scope(GetIsolate()); |
| v8::Local<v8::Object> callback_object = CallbackFunction(); |
| CHECK(!callback_object.IsEmpty()); |
| v8::Context::Scope context_scope(callback_object->CreationContext()); |
| V8ThrowException::ThrowError( |
| GetIsolate(), |
| ExceptionMessages::FailedToExecute( |
| "construct", |
| "AnyCallbackFunctionOptionalAnyArg", |
| "The provided callback is no longer runnable.")); |
| return v8::Nothing<ScriptValue>(); |
| } |
| |
| // step: Prepare to run script with relevant settings. |
| ScriptState::Scope callback_relevant_context_scope( |
| CallbackRelevantScriptState()); |
| // step: Prepare to run a callback with stored settings. |
| v8::Context::BackupIncumbentScope backup_incumbent_scope( |
| IncumbentScriptState()->GetContext()); |
| |
| // step 3. If ! IsConstructor(F) is false, throw a TypeError exception. |
| // |
| // Note that step 7. and 8. are side effect free (except for a very rare |
| // exception due to no incumbent realm), so it's okay to put step 3. after |
| // step 7. and 8. |
| if (!IsConstructor()) { |
| V8ThrowException::ThrowTypeError( |
| GetIsolate(), |
| ExceptionMessages::FailedToExecute( |
| "construct", |
| "AnyCallbackFunctionOptionalAnyArg", |
| "The provided callback is not a constructor.")); |
| return v8::Nothing<ScriptValue>(); |
| } |
| |
| v8::Local<v8::Function> function; |
| // callback function's invoke: |
| // step 4. If ! IsCallable(F) is false: |
| // |
| // No [TreatNonObjectAsNull] presents. Must be always callable. |
| DCHECK(CallbackObject()->IsFunction()); |
| function = CallbackFunction(); |
| |
| // step: Let esArgs be the result of converting args to an ECMAScript |
| // arguments list. If this throws an exception, set completion to the |
| // completion value representing the thrown exception and jump to the step |
| // labeled return. |
| v8::Local<v8::Object> argument_creation_context = |
| CallbackRelevantScriptState()->GetContext()->Global(); |
| ALLOW_UNUSED_LOCAL(argument_creation_context); |
| v8::Local<v8::Value> v8_optionalAnyArg = optionalAnyArg.V8Value(); |
| constexpr int argc = 1; |
| v8::Local<v8::Value> argv[] = { v8_optionalAnyArg }; |
| static_assert(static_cast<size_t>(argc) == base::size(argv), "size mismatch"); |
| |
| v8::Local<v8::Value> call_result; |
| if (!V8ScriptRunner::CallAsConstructor( |
| GetIsolate(), |
| function, |
| ExecutionContext::From(CallbackRelevantScriptState()), |
| argc, |
| argv).ToLocal(&call_result)) { |
| // step 11. If callResult is an abrupt completion, set completion to |
| // callResult and jump to the step labeled return. |
| return v8::Nothing<ScriptValue>(); |
| } |
| |
| // step: Set completion to the result of converting callResult.[[Value]] to |
| // an IDL value of the same type as the operation's return type. |
| { |
| ExceptionState exception_state(GetIsolate(), |
| ExceptionState::kExecutionContext, |
| "AnyCallbackFunctionOptionalAnyArg", |
| "construct"); |
| auto native_result = |
| NativeValueTraits<ScriptValue>::NativeValue( |
| GetIsolate(), call_result, exception_state); |
| if (exception_state.HadException()) |
| return v8::Nothing<ScriptValue>(); |
| else |
| return v8::Just<ScriptValue>(native_result); |
| } |
| } |
| |
| v8::Maybe<ScriptValue> V8PersistentCallbackFunction<V8AnyCallbackFunctionOptionalAnyArg>::Invoke(ScriptWrappable* callback_this_value, ScriptValue optionalAnyArg) { |
| return Proxy()->Invoke( |
| callback_this_value, optionalAnyArg); |
| } |
| |
| } // namespace blink |
