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LibJS: Make Heap::allocate<T>() infallible

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Stop worrying about tiny OOMs. Work towards #20449.

While going through these, I also changed the function signature in many
places where returning ThrowCompletionOr<T> is no longer necessary.
This commit is contained in:
Andreas Kling 2023-08-13 13:05:26 +02:00
parent 980e7164fe
commit 72c9f56c66
337 changed files with 1229 additions and 1251 deletions
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4
Userland/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Bodies.cpp
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@ -26,12 +26,12 @@ Body::Body(JS::Handle<Streams::ReadableStream> stream, SourceType source, Option
}
// https://fetch.spec.whatwg.org/#concept-body-clone
WebIDL::ExceptionOr<Body> Body::clone(JS::Realm& realm) const
Body Body::clone(JS::Realm& realm) const
{
// To clone a body body, run these steps:
// FIXME: 1. Let « out1, out2 » be the result of teeing body’s stream.
// FIXME: 2. Set body’s stream to out1.
auto out2 = MUST_OR_THROW_OOM(realm.heap().allocate<Streams::ReadableStream>(realm, realm));
auto out2 = realm.heap().allocate<Streams::ReadableStream>(realm, realm);
// 3. Return a body whose stream is out2 and other members are copied from body.
return Body { JS::make_handle(out2), m_source, m_length };

2
Userland/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Bodies.h
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@ -36,7 +36,7 @@ public:
[[nodiscard]] SourceType const& source() const { return m_source; }
[[nodiscard]] Optional<u64> const& length() const { return m_length; }
WebIDL::ExceptionOr<Body> clone(JS::Realm&) const;
[[nodiscard]] Body clone(JS::Realm&) const;
WebIDL::ExceptionOr<void> fully_read(JS::Realm&, ProcessBodyCallback process_body, ProcessBodyErrorCallback process_body_error, TaskDestination task_destination) const;

4
Userland/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Requests.cpp
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@ -202,7 +202,7 @@ ErrorOr<ByteBuffer> Request::byte_serialize_origin() const
}
// https://fetch.spec.whatwg.org/#concept-request-clone
WebIDL::ExceptionOr<JS::NonnullGCPtr<Request>> Request::clone(JS::Realm& realm) const
JS::NonnullGCPtr<Request> Request::clone(JS::Realm& realm) const
{
// To clone a request request, run these steps:
auto& vm = realm.vm();
@ -250,7 +250,7 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<Request>> Request::clone(JS::Realm& realm)
// 2. If request’s body is non-null, set newRequest’s body to the result of cloning request’s body.
if (auto const* body = m_body.get_pointer<Body>())
new_request->set_body(TRY(body->clone(realm)));
new_request->set_body(body->clone(realm));
// 3. Return newRequest.
return new_request;

2
Userland/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Requests.h
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@ -297,7 +297,7 @@ public:
[[nodiscard]] ErrorOr<String> serialize_origin() const;
[[nodiscard]] ErrorOr<ByteBuffer> byte_serialize_origin() const;
[[nodiscard]] WebIDL::ExceptionOr<JS::NonnullGCPtr<Request>> clone(JS::Realm&) const;
[[nodiscard]] JS::NonnullGCPtr<Request> clone(JS::Realm&) const;
[[nodiscard]] ErrorOr<void> add_range_header(u64 first, Optional<u64> const& last);
[[nodiscard]] ErrorOr<void> add_origin_header();

2
Userland/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Responses.cpp
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@ -164,7 +164,7 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<Response>> Response::clone(JS::Realm& realm
// 3. If response’s body is non-null, then set newResponse’s body to the result of cloning response’s body.
if (m_body.has_value())
new_response->set_body(TRY(m_body->clone(realm)));
new_response->set_body(m_body->clone(realm));
// 4. Return newResponse.
return new_response;