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https://github.com/LadybirdBrowser/ladybird.git
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2692db8699
Note that as of this commit, there aren't any such throwers, and the call site in Heap::allocate will drop exceptions on the floor. This commit only serves to change the declaration of the overrides, make sure they return an empty value, and to propagate OOM errors frm their base initialize invocations.
77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
/*
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* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/Streams/AbstractOperations.h>
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#include <LibWeb/Streams/ReadableStream.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::Streams {
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// https://streams.spec.whatwg.org/#rs-constructor
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WebIDL::ExceptionOr<JS::NonnullGCPtr<ReadableStream>> ReadableStream::construct_impl(JS::Realm& realm)
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{
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return realm.heap().allocate<ReadableStream>(realm, realm);
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}
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ReadableStream::ReadableStream(JS::Realm& realm)
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: PlatformObject(realm)
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{
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}
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ReadableStream::~ReadableStream() = default;
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JS::ThrowCompletionOr<void> ReadableStream::initialize(JS::Realm& realm)
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{
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MUST_OR_THROW_OOM(Base::initialize(realm));
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set_prototype(&Bindings::ensure_web_prototype<Bindings::ReadableStreamPrototype>(realm, "ReadableStream"));
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return {};
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}
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void ReadableStream::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_controller);
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visitor.visit(m_reader);
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visitor.visit(m_stored_error);
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}
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// https://streams.spec.whatwg.org/#readablestream-locked
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bool ReadableStream::is_readable() const
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{
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// A ReadableStream stream is readable if stream.[[state]] is "readable".
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return m_state == State::Readable;
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}
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// https://streams.spec.whatwg.org/#readablestream-closed
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bool ReadableStream::is_closed() const
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{
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// A ReadableStream stream is closed if stream.[[state]] is "closed".
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return m_state == State::Closed;
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}
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// https://streams.spec.whatwg.org/#readablestream-errored
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bool ReadableStream::is_errored() const
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{
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// A ReadableStream stream is errored if stream.[[state]] is "errored".
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return m_state == State::Errored;
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}
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// https://streams.spec.whatwg.org/#readablestream-locked
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bool ReadableStream::is_locked() const
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{
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// A ReadableStream stream is locked if ! IsReadableStreamLocked(stream) returns true.
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return is_readable_stream_locked(*this);
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}
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// https://streams.spec.whatwg.org/#is-readable-stream-disturbed
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bool ReadableStream::is_disturbed() const
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{
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// A ReadableStream stream is disturbed if stream.[[disturbed]] is true.
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return m_disturbed;
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}
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}
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