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834202aeb9
This needs to happen before prototype/constructor intitialization can be made lazy. Otherwise, GC could run during the C++ constructor and try to collect the object currently being created.
75 lines
2.1 KiB
C++
75 lines
2.1 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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void ReadableStream::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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set_prototype(&Bindings::ensure_web_prototype<Bindings::ReadableStreamPrototype>(realm, "ReadableStream"));
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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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