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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/GlobalObject.h>
namespace JS {
Error* Error::create(GlobalObject& global_object)
{
return global_object.heap().allocate<Error>(global_object, *global_object.error_prototype());
}
Error* Error::create(GlobalObject& global_object, String const& message)
{
auto& vm = global_object.vm();
auto* error = Error::create(global_object);
u8 attr = Attribute::Writable | Attribute::Configurable;
error->define_direct_property(vm.names.message, js_string(vm, message), attr);
return error;
}
Error::Error(Object& prototype)
: Object(prototype)
{
}
// 20.5.8.1 InstallErrorCause ( O, options ), https://tc39.es/proposal-error-cause/#sec-errorobjects-install-error-cause
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 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 = TRY(options.as_object().get(vm.names.cause));
// b. Perform ! CreateNonEnumerableDataPropertyOrThrow(O, "cause", cause).
MUST(create_non_enumerable_data_property_or_throw(vm.names.cause, cause));
}
// Return NormalCompletion(undefined).
return {};
}
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
ClassName* ClassName::create(GlobalObject& global_object) \
{ \
return global_object.heap().allocate<ClassName>(global_object, *global_object.snake_name##_prototype()); \
} \
\
ClassName* ClassName::create(GlobalObject& global_object, String const& message) \
{ \
auto& vm = global_object.vm(); \
auto* error = ClassName::create(global_object); \
u8 attr = Attribute::Writable | Attribute::Configurable; \
error->define_direct_property(vm.names.message, js_string(vm, message), attr); \
return error; \
} \
\
ClassName::ClassName(Object& prototype) \
: Error(prototype) \
{ \
}
JS_ENUMERATE_NATIVE_ERRORS
#undef __JS_ENUMERATE
}
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