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LibJS: Convert install_error_cause() to ThrowCompletionOr

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This commit is contained in:
Linus Groh 2021-10-02 16:03:45 +01:00
parent 4d5bd092ea
commit 867b19affb
4 changed files with 25 additions and 19 deletions
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29
Userland/Libraries/LibJS/Runtime/Error.cpp
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@ -5,6 +5,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/GlobalObject.h>
@ -30,18 +31,28 @@ Error::Error(Object& prototype)
}
// 20.5.8.1 InstallErrorCause ( O, options ), https://tc39.es/proposal-error-cause/#sec-errorobjects-install-error-cause
void Error::install_error_cause(Value options)
ThrowCompletionOr<void> Error::install_error_cause(Value options)
{
auto& vm = this->vm();
// 1. If Type(options) is Object and ? HasProperty(options, "cause") is true, then
if (!options.is_object())
return;
auto& options_object = options.as_object();
if (!options_object.has_property(vm.names.cause))
return;
auto cause = options_object.get(vm.names.cause);
if (vm.exception())
return;
create_non_enumerable_data_property_or_throw(vm.names.cause, cause);
return {};
auto has_property = options.as_object().has_property(vm.names.cause);
if (auto* exception = vm.exception())
return throw_completion(exception->value());
if (has_property) {
// a. Let cause be ? Get(options, "cause").
auto cause = options.as_object().get(vm.names.cause);
if (auto* exception = vm.exception())
return throw_completion(exception->value());
// b. Perform ! CreateNonEnumerableDataPropertyOrThrow(O, "cause", cause).
create_non_enumerable_data_property_or_throw(vm.names.cause, cause);
}
// Return NormalCompletion(undefined).
return {};
}
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \