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LibJS: Convert Value::invoke and VM::call to ThrowCompletionOr

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This commit is contained in:
Idan Horowitz 2021-09-23 20:56:28 +03:00
parent a90107b02a
commit ab594e5f2f
35 changed files with 196 additions and 328 deletions
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69
Userland/Libraries/LibJS/Runtime/ProxyObject.cpp
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@ -73,9 +73,7 @@ Object* ProxyObject::internal_get_prototype_of() const
}
// 7. Let handlerProto be ? Call(trap, handler, « target »).
auto handler_proto = vm.call(*trap, &m_handler, &m_target);
if (vm.exception())
return {};
auto handler_proto = TRY_OR_DISCARD(vm.call(*trap, &m_handler, &m_target));
// 8. If Type(handlerProto) is neither Object nor Null, throw a TypeError exception.
if (!handler_proto.is_object() && !handler_proto.is_null()) {
@ -137,12 +135,10 @@ bool ProxyObject::internal_set_prototype_of(Object* prototype)
}
// 8. Let booleanTrapResult be ! ToBoolean(? Call(trap, handler, « target, V »)).
auto trap_result = vm.call(*trap, &m_handler, &m_target, prototype);
if (vm.exception())
return {};
auto trap_result = TRY_OR_DISCARD(vm.call(*trap, &m_handler, &m_target, prototype)).to_boolean();
// 9. If booleanTrapResult is false, return false.
if (!trap_result.to_boolean())
if (!trap_result)
return false;
// 10. Let extensibleTarget be ? IsExtensible(target).
@ -198,9 +194,7 @@ bool ProxyObject::internal_is_extensible() const
}
// 7. Let booleanTrapResult be ! ToBoolean(? Call(trap, handler, « target »)).
auto trap_result = vm.call(*trap, &m_handler, &m_target);
if (vm.exception())
return {};
auto trap_result = TRY_OR_DISCARD(vm.call(*trap, &m_handler, &m_target)).to_boolean();
// 8. Let targetResult be ? IsExtensible(target).
auto target_result = m_target.is_extensible();
@ -208,13 +202,13 @@ bool ProxyObject::internal_is_extensible() const
return {};
// 9. If SameValue(booleanTrapResult, targetResult) is false, throw a TypeError exception.
if (trap_result.to_boolean() != target_result) {
if (trap_result != target_result) {
vm.throw_exception<TypeError>(global_object, ErrorType::ProxyIsExtensibleReturn);
return {};
}
// 10. Return booleanTrapResult.
return trap_result.to_boolean();
return trap_result;
}
// 10.5.4 [[PreventExtensions]] ( ), https://tc39.es/ecma262/#sec-proxy-object-internal-methods-and-internal-slots-preventextensions
@ -246,12 +240,10 @@ bool ProxyObject::internal_prevent_extensions()
}
// 7. Let booleanTrapResult be ! ToBoolean(? Call(trap, handler, « target »)).
auto trap_result = vm.call(*trap, &m_handler, &m_target);
if (vm.exception())
return {};
auto trap_result = TRY_OR_DISCARD(vm.call(*trap, &m_handler, &m_target)).to_boolean();
// 8. If booleanTrapResult is true, then
if (trap_result.to_boolean()) {
if (trap_result) {
// a. Let extensibleTarget be ? IsExtensible(target).
auto extensible_target = m_target.is_extensible();
if (vm.exception())
@ -265,7 +257,7 @@ bool ProxyObject::internal_prevent_extensions()
}
// 9. Return booleanTrapResult.
return trap_result.to_boolean();
return trap_result;
}
// 10.5.5 [[GetOwnProperty]] ( P ), https://tc39.es/ecma262/#sec-proxy-object-internal-methods-and-internal-slots-getownproperty-p
@ -300,9 +292,7 @@ Optional<PropertyDescriptor> ProxyObject::internal_get_own_property(const Proper
}
// 8. Let trapResultObj be ? Call(trap, handler, « target, P »).
auto trap_result = vm.call(*trap, &m_handler, &m_target, property_name_to_value(vm, property_name));
if (vm.exception())
return {};
auto trap_result = TRY_OR_DISCARD(vm.call(*trap, &m_handler, &m_target, property_name_to_value(vm, property_name)));
// 9. If Type(trapResultObj) is neither Object nor Undefined, throw a TypeError exception.
if (!trap_result.is_object() && !trap_result.is_undefined()) {
@ -421,12 +411,10 @@ bool ProxyObject::internal_define_own_property(PropertyName const& property_name
auto descriptor_object = from_property_descriptor(global_object, property_descriptor);
// 9. Let booleanTrapResult be ! ToBoolean(? Call(trap, handler, « target, P, descObj »)).
auto trap_result = vm.call(*trap, &m_handler, &m_target, property_name_to_value(vm, property_name), descriptor_object);
if (vm.exception())
return {};
auto trap_result = TRY_OR_DISCARD(vm.call(*trap, &m_handler, &m_target, property_name_to_value(vm, property_name), descriptor_object)).to_boolean();
// 10. If booleanTrapResult is false, return false.
if (!trap_result.to_boolean())
if (!trap_result)
return false;
// 11. Let targetDesc be ? target.[[GetOwnProperty]](P).
@ -519,12 +507,10 @@ bool ProxyObject::internal_has_property(PropertyName const& property_name) const
}
// 8. Let booleanTrapResult be ! ToBoolean(? Call(trap, handler, « target, P »)).
auto trap_result = vm.call(*trap, &m_handler, &m_target, property_name_to_value(vm, property_name));
if (vm.exception())
return {};
auto trap_result = TRY_OR_DISCARD(vm.call(*trap, &m_handler, &m_target, property_name_to_value(vm, property_name))).to_boolean();
// 9. If booleanTrapResult is false, then
if (!trap_result.to_boolean()) {
if (!trap_result) {
// a. Let targetDesc be ? target.[[GetOwnProperty]](P).
auto target_descriptor = m_target.internal_get_own_property(property_name);
if (vm.exception())
@ -552,7 +538,7 @@ bool ProxyObject::internal_has_property(PropertyName const& property_name) const
}
// 10. Return booleanTrapResult.
return trap_result.to_boolean();
return trap_result;
}
// 10.5.8 [[Get]] ( P, Receiver ), https://tc39.es/ecma262/#sec-proxy-object-internal-methods-and-internal-slots-get-p-receiver
@ -607,9 +593,7 @@ Value ProxyObject::internal_get(PropertyName const& property_name, Value receive
}
// 8. Let trapResult be ? Call(trap, handler, « target, P, Receiver »).
auto trap_result = vm.call(*trap, &m_handler, &m_target, property_name_to_value(vm, property_name), receiver);
if (vm.exception())
return {};
auto trap_result = TRY_OR_DISCARD(vm.call(*trap, &m_handler, &m_target, property_name_to_value(vm, property_name), receiver));
// 9. Let targetDesc be ? target.[[GetOwnProperty]](P).
auto target_descriptor = m_target.internal_get_own_property(property_name);
@ -675,12 +659,10 @@ bool ProxyObject::internal_set(PropertyName const& property_name, Value value, V
}
// 8. Let booleanTrapResult be ! ToBoolean(? Call(trap, handler, « target, P, V, Receiver »)).
auto trap_result = vm.call(*trap, &m_handler, &m_target, property_name_to_value(vm, property_name), value, receiver);
if (vm.exception())
return {};
auto trap_result = TRY_OR_DISCARD(vm.call(*trap, &m_handler, &m_target, property_name_to_value(vm, property_name), value, receiver)).to_boolean();
// 9. If booleanTrapResult is false, return false.
if (!trap_result.to_boolean())
if (!trap_result)
return false;
// 10. Let targetDesc be ? target.[[GetOwnProperty]](P).
@ -744,12 +726,10 @@ bool ProxyObject::internal_delete(PropertyName const& property_name)
}
// 8. Let booleanTrapResult be ! ToBoolean(? Call(trap, handler, « target, P »)).
auto trap_result = vm.call(*trap, &m_handler, &m_target, property_name_to_value(vm, property_name));
if (vm.exception())
return {};
auto trap_result = TRY_OR_DISCARD(vm.call(*trap, &m_handler, &m_target, property_name_to_value(vm, property_name))).to_boolean();
// 9. If booleanTrapResult is false, return false.
if (!trap_result.to_boolean())
if (!trap_result)
return false;
// 10. Let targetDesc be ? target.[[GetOwnProperty]](P).
@ -811,9 +791,10 @@ MarkedValueList ProxyObject::internal_own_property_keys() const
}
// 7. Let trapResultArray be ? Call(trap, handler, « target »).
auto trap_result_array = vm.call(*trap, &m_handler, &m_target);
if (vm.exception())
auto trap_result_array_or_error = vm.call(*trap, &m_handler, &m_target);
if (trap_result_array_or_error.is_error())
return MarkedValueList { heap() };
auto trap_result_array = trap_result_array_or_error.release_value();
// 8. Let trapResult be ? CreateListFromArrayLike(trapResultArray, « String, Symbol »).
HashTable<StringOrSymbol> unique_keys;
@ -967,7 +948,7 @@ Value ProxyObject::call()
});
// 8. Return ? Call(trap, handler, « target, thisArgument, argArray »).
return vm.call(*trap, &m_handler, &m_target, this_argument, arguments_array);
return TRY_OR_DISCARD(vm.call(*trap, &m_handler, &m_target, this_argument, arguments_array));
}
// 10.5.13 [[Construct]] ( argumentsList, newTarget ), https://tc39.es/ecma262/#sec-proxy-object-internal-methods-and-internal-slots-construct-argumentslist-newtarget
@ -1012,7 +993,7 @@ Value ProxyObject::construct(FunctionObject& new_target)
});
// 9. Let newObj be ? Call(trap, handler, « target, argArray, newTarget »).
auto result = vm.call(*trap, &m_handler, &m_target, arguments_array, &new_target);
auto result = TRY_OR_DISCARD(vm.call(*trap, &m_handler, &m_target, arguments_array, &new_target));
// 10. If Type(newObj) is not Object, throw a TypeError exception.
if (!result.is_object()) {