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authorGravatar Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com> 2022-06-22 23:21:48 -0700
committerGravatar Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com> 2022-06-22 23:21:48 -0700
commit729d445b6885f69dd2c6355f38707bd42851c791 (patch)
treef87a7c408929ea3f57bbb7ace380cf869da83c0e /src/javascript/jsc/bindings/webcore/ReadableStreamDefaultController.cpp
parent25f820c6bf1d8ec6d444ef579cc036b8c0607b75 (diff)
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Diffstat (limited to 'src/javascript/jsc/bindings/webcore/ReadableStreamDefaultController.cpp')
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diff --git a/src/javascript/jsc/bindings/webcore/ReadableStreamDefaultController.cpp b/src/javascript/jsc/bindings/webcore/ReadableStreamDefaultController.cpp
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--- a/src/javascript/jsc/bindings/webcore/ReadableStreamDefaultController.cpp
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-/*
- * Copyright (C) 2016 Canon Inc.
- * Copyright (C) 2016-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted, provided that the following conditions
- * are required to be met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Canon Inc. nor the names of
- * its contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "ReadableStreamDefaultController.h"
-
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/CatchScope.h>
-#include <JavaScriptCore/HeapInlines.h>
-#include <JavaScriptCore/IdentifierInlines.h>
-#include <JavaScriptCore/JSObjectInlines.h>
-#include <JavaScriptCore/JSCInlines.h>
-
-namespace WebCore {
-
-static bool invokeReadableStreamDefaultControllerFunction(JSC::JSGlobalObject& lexicalGlobalObject, const JSC::Identifier& identifier, const JSC::MarkedArgumentBuffer& arguments)
-{
- JSC::VM& vm = lexicalGlobalObject.vm();
- JSC::JSLockHolder lock(vm);
-
- auto scope = DECLARE_CATCH_SCOPE(vm);
- auto function = lexicalGlobalObject.get(&lexicalGlobalObject, identifier);
-
- EXCEPTION_ASSERT(!scope.exception() || vm.hasPendingTerminationException());
- RETURN_IF_EXCEPTION(scope, false);
-
- ASSERT(function.isCallable());
-
- auto callData = JSC::getCallData(function);
- call(&lexicalGlobalObject, function, callData, JSC::jsUndefined(), arguments);
- EXCEPTION_ASSERT(!scope.exception() || vm.hasPendingTerminationException());
- return !scope.exception();
-}
-
-void ReadableStreamDefaultController::close()
-{
- JSC::MarkedArgumentBuffer arguments;
- arguments.append(&jsController());
-
- auto* clientData = static_cast<JSVMClientData*>(globalObject().vm().clientData);
- auto& privateName = clientData->builtinFunctions().readableStreamInternalsBuiltins().readableStreamDefaultControllerClosePrivateName();
-
- invokeReadableStreamDefaultControllerFunction(globalObject(), privateName, arguments);
-}
-
-void ReadableStreamDefaultController::error(const Exception& exception)
-{
- JSC::JSGlobalObject& lexicalGlobalObject = this->globalObject();
- auto& vm = lexicalGlobalObject.vm();
- JSC::JSLockHolder lock(vm);
- auto scope = DECLARE_CATCH_SCOPE(vm);
- auto value = createDOMException(&lexicalGlobalObject, exception.code(), exception.message());
-
- if (UNLIKELY(scope.exception())) {
- ASSERT(vm.hasPendingTerminationException());
- return;
- }
-
- JSC::MarkedArgumentBuffer arguments;
- arguments.append(&jsController());
- arguments.append(value);
-
- auto* clientData = static_cast<JSVMClientData*>(vm.clientData);
- auto& privateName = clientData->builtinFunctions().readableStreamInternalsBuiltins().readableStreamDefaultControllerErrorPrivateName();
-
- invokeReadableStreamDefaultControllerFunction(globalObject(), privateName, arguments);
-}
-
-void ReadableStreamDefaultController::error(JSC::JSValue error)
-{
- JSC::JSGlobalObject& lexicalGlobalObject = this->globalObject();
- auto& vm = lexicalGlobalObject.vm();
- JSC::JSLockHolder lock(vm);
- auto scope = DECLARE_THROW_SCOPE(vm);
- auto value = JSC::Exception::create(vm, error);
-
- if (UNLIKELY(scope.exception())) {
- ASSERT(vm.hasPendingTerminationException());
- return;
- }
-
- JSC::MarkedArgumentBuffer arguments;
- arguments.append(&jsController());
- arguments.append(value);
-
- auto* clientData = static_cast<JSVMClientData*>(vm.clientData);
- auto& privateName = clientData->builtinFunctions().readableStreamInternalsBuiltins().readableStreamDefaultControllerErrorPrivateName();
-
- invokeReadableStreamDefaultControllerFunction(globalObject(), privateName, arguments);
-}
-
-bool ReadableStreamDefaultController::enqueue(JSC::JSValue value)
-{
- JSC::JSGlobalObject& lexicalGlobalObject = this->globalObject();
- auto& vm = lexicalGlobalObject.vm();
- JSC::JSLockHolder lock(vm);
-
- JSC::MarkedArgumentBuffer arguments;
- arguments.append(&jsController());
- arguments.append(value);
-
- auto* clientData = static_cast<JSVMClientData*>(lexicalGlobalObject.vm().clientData);
- auto& privateName = clientData->builtinFunctions().readableStreamInternalsBuiltins().readableStreamDefaultControllerEnqueuePrivateName();
-
- return invokeReadableStreamDefaultControllerFunction(globalObject(), privateName, arguments);
-}
-
-bool ReadableStreamDefaultController::enqueue(RefPtr<JSC::ArrayBuffer>&& buffer)
-{
- if (!buffer) {
- error(Exception { OutOfMemoryError });
- return false;
- }
-
- JSC::JSGlobalObject& lexicalGlobalObject = this->globalObject();
- auto& vm = lexicalGlobalObject.vm();
- JSC::JSLockHolder lock(vm);
- auto scope = DECLARE_CATCH_SCOPE(vm);
- auto length = buffer->byteLength();
- auto value = JSC::JSUint8Array::create(&lexicalGlobalObject, lexicalGlobalObject.typedArrayStructure(JSC::TypeUint8), WTFMove(buffer), 0, length);
-
- EXCEPTION_ASSERT(!scope.exception() || vm.hasPendingTerminationException());
- RETURN_IF_EXCEPTION(scope, false);
-
- return enqueue(value);
-}
-
-} // namespace WebCore