mirror of
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.
140 lines
5.9 KiB
C++
140 lines
5.9 KiB
C++
/*
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* Copyright (c) 2021-2022, 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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#pragma once
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#include <AK/DeprecatedFlyString.h>
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#include <AK/Diagnostics.h>
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#include <LibJS/Runtime/VM.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/HTML/Scripting/Environments.h>
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namespace Web::WebIDL {
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// The following have a legacy code value but *don't* produce it as
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// DOMException.code value when used as name (and are therefore omitted here):
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// - DOMStringSizeError (DOMSTRING_SIZE_ERR = 2)
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// - NoDataAllowedError (NO_DATA_ALLOWED_ERR = 6)
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// - ValidationError (VALIDATION_ERR = 16)
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#define ENUMERATE_DOM_EXCEPTION_LEGACY_CODES \
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__ENUMERATE(IndexSizeError, 1) \
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__ENUMERATE(HierarchyRequestError, 3) \
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__ENUMERATE(WrongDocumentError, 4) \
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__ENUMERATE(InvalidCharacterError, 5) \
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__ENUMERATE(NoModificationAllowedError, 7) \
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__ENUMERATE(NotFoundError, 8) \
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__ENUMERATE(NotSupportedError, 9) \
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__ENUMERATE(InUseAttributeError, 10) \
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__ENUMERATE(InvalidStateError, 11) \
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__ENUMERATE(SyntaxError, 12) \
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__ENUMERATE(InvalidModificationError, 13) \
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__ENUMERATE(NamespaceError, 14) \
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__ENUMERATE(InvalidAccessError, 15) \
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__ENUMERATE(TypeMismatchError, 17) \
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__ENUMERATE(SecurityError, 18) \
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__ENUMERATE(NetworkError, 19) \
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__ENUMERATE(AbortError, 20) \
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__ENUMERATE(URLMismatchError, 21) \
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__ENUMERATE(QuotaExceededError, 22) \
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__ENUMERATE(TimeoutError, 23) \
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__ENUMERATE(InvalidNodeTypeError, 24) \
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__ENUMERATE(DataCloneError, 25)
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// https://webidl.spec.whatwg.org/#idl-DOMException-error-names
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// Same order as in the spec document, also matches the legacy codes order above.
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#define ENUMERATE_DOM_EXCEPTION_ERROR_NAMES \
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__ENUMERATE(IndexSizeError) /* Deprecated */ \
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__ENUMERATE(HierarchyRequestError) \
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__ENUMERATE(WrongDocumentError) \
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__ENUMERATE(InvalidCharacterError) \
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__ENUMERATE(NoModificationAllowedError) \
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__ENUMERATE(NotFoundError) \
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__ENUMERATE(NotSupportedError) \
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__ENUMERATE(InUseAttributeError) \
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__ENUMERATE(InvalidStateError) \
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__ENUMERATE(SyntaxError) \
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__ENUMERATE(InvalidModificationError) \
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__ENUMERATE(NamespaceError) \
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__ENUMERATE(InvalidAccessError) /* Deprecated */ \
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__ENUMERATE(TypeMismatchError) /* Deprecated */ \
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__ENUMERATE(SecurityError) \
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__ENUMERATE(NetworkError) \
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__ENUMERATE(AbortError) \
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__ENUMERATE(URLMismatchError) \
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__ENUMERATE(QuotaExceededError) \
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__ENUMERATE(TimeoutError) \
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__ENUMERATE(InvalidNodeTypeError) \
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__ENUMERATE(DataCloneError) \
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__ENUMERATE(EncodingError) \
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__ENUMERATE(NotReadableError) \
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__ENUMERATE(UnknownError) \
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__ENUMERATE(ConstraintError) \
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__ENUMERATE(DataError) \
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__ENUMERATE(TransactionInactiveError) \
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__ENUMERATE(ReadOnlyError) \
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__ENUMERATE(VersionError) \
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__ENUMERATE(OperationError) \
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__ENUMERATE(NotAllowedError)
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static u16 get_legacy_code_for_name(DeprecatedFlyString const& name)
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{
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#define __ENUMERATE(ErrorName, code) \
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if (name == #ErrorName) \
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return code;
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ENUMERATE_DOM_EXCEPTION_LEGACY_CODES
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#undef __ENUMERATE
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return 0;
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}
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// https://webidl.spec.whatwg.org/#idl-DOMException
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class DOMException final : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(DOMException, Bindings::PlatformObject);
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public:
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static JS::NonnullGCPtr<DOMException> create(JS::Realm& realm, DeprecatedFlyString const& name, DeprecatedFlyString const& message);
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// JS constructor has message first, name second
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// FIXME: This is a completely pointless footgun, let's use the same order for both factories.
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static JS::NonnullGCPtr<DOMException> construct_impl(JS::Realm& realm, DeprecatedFlyString const& message, DeprecatedFlyString const& name);
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virtual ~DOMException() override;
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DeprecatedFlyString const& name() const { return m_name; }
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DeprecatedFlyString const& message() const { return m_message; }
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u16 code() const { return get_legacy_code_for_name(m_name); }
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protected:
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DOMException(JS::Realm&, DeprecatedFlyString const& name, DeprecatedFlyString const& message);
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virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
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private:
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DeprecatedFlyString m_name;
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DeprecatedFlyString m_message;
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};
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#define __ENUMERATE(ErrorName) \
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class ErrorName final { \
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public: \
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static JS::NonnullGCPtr<DOMException> create(JS::Realm& realm, DeprecatedFlyString const& message) \
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{ \
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return DOMException::create(realm, #ErrorName, message); \
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} \
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};
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ENUMERATE_DOM_EXCEPTION_ERROR_NAMES
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#undef __ENUMERATE
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}
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namespace Web {
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inline JS::Completion throw_completion(JS::NonnullGCPtr<WebIDL::DOMException> exception)
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{
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return JS::throw_completion(JS::Value(static_cast<JS::Object*>(exception.ptr())));
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}
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}
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