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57130908b3
Split JS::ErrorData out of JS::Error so that it can be used both by JS::Error and WebIDL::DOMException. This adds support for Error.isError to DOMException, also letting us report DOMException stack information to the console.
103 lines
4 KiB
C++
103 lines
4 KiB
C++
/*
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* Copyright (c) 2020-2025, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2021-2023, 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 <LibJS/Runtime/Completion.h>
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#include <LibJS/Runtime/Error.h>
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#include <LibJS/Runtime/GlobalObject.h>
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namespace JS {
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GC_DEFINE_ALLOCATOR(Error);
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GC::Ref<Error> Error::create(Realm& realm)
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{
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return realm.create<Error>(realm.intrinsics().error_prototype());
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}
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GC::Ref<Error> Error::create(Realm& realm, Utf16String message)
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{
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auto error = Error::create(realm);
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error->set_message(move(message));
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return error;
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}
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GC::Ref<Error> Error::create(Realm& realm, StringView message)
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{
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return create(realm, Utf16String::from_utf8(message));
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}
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Utf16String Error::stack_string(CompactTraceback compact) const
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{
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return ErrorData::stack_string(compact);
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}
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Error::Error(Object& prototype)
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: Object(ConstructWithPrototypeTag::Tag, prototype)
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, ErrorData(prototype.vm())
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{
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}
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void Error::visit_edges(Visitor& visitor)
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{
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Base::visit_edges(visitor);
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ErrorData::visit_edges(visitor);
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}
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// 20.5.8.1 InstallErrorCause ( O, options ), https://tc39.es/ecma262/#sec-installerrorcause
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ThrowCompletionOr<void> Error::install_error_cause(Value options)
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{
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auto& vm = this->vm();
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// 1. If Type(options) is Object and ? HasProperty(options, "cause") is true, then
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if (options.is_object() && TRY(options.as_object().has_property(vm.names.cause))) {
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// a. Let cause be ? Get(options, "cause").
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auto cause = TRY(options.as_object().get(vm.names.cause));
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// b. Perform CreateNonEnumerableDataPropertyOrThrow(O, "cause", cause).
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create_non_enumerable_data_property_or_throw(vm.names.cause, cause);
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}
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// 2. Return unused.
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return {};
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}
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void Error::set_message(Utf16String message)
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{
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auto& vm = this->vm();
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u8 attr = Attribute::Writable | Attribute::Configurable;
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define_direct_property(vm.names.message, PrimitiveString::create(vm, move(message)), attr);
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}
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#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
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GC_DEFINE_ALLOCATOR(ClassName); \
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GC::Ref<ClassName> ClassName::create(Realm& realm) \
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{ \
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return realm.create<ClassName>(realm.intrinsics().snake_name##_prototype()); \
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} \
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\
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GC::Ref<ClassName> ClassName::create(Realm& realm, Utf16String message) \
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{ \
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auto error = ClassName::create(realm); \
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error->set_message(move(message)); \
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return error; \
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} \
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\
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GC::Ref<ClassName> ClassName::create(Realm& realm, StringView message) \
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{ \
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return create(realm, Utf16String::from_utf8(message)); \
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} \
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\
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ClassName::ClassName(Object& prototype) \
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: Error(prototype) \
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{ \
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}
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JS_ENUMERATE_NATIVE_ERRORS
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#undef __JS_ENUMERATE
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}
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