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LibJS: Use ThrowCompletionOr in get_function_realm()

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Linus Groh 2021-09-15 21:09:33 +01:00
parent 3d43eb0774
commit bc1b8f9cc8
3 changed files with 6 additions and 12 deletions
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12
Userland/Libraries/LibJS/Runtime/AbstractOperations.cpp
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@ -132,7 +132,7 @@ ThrowCompletionOr<FunctionObject*> species_constructor(GlobalObject& global_obje
} }
// 7.3.24 GetFunctionRealm ( obj ), https://tc39.es/ecma262/#sec-getfunctionrealm // 7.3.24 GetFunctionRealm ( obj ), https://tc39.es/ecma262/#sec-getfunctionrealm
Realm* get_function_realm(GlobalObject& global_object, FunctionObject const& function) ThrowCompletionOr<Realm*> get_function_realm(GlobalObject& global_object, FunctionObject const& function)
{ {
auto& vm = global_object.vm(); auto& vm = global_object.vm();
@ -160,10 +160,8 @@ Realm* get_function_realm(GlobalObject& global_object, FunctionObject const& fun
auto& proxy = static_cast<ProxyObject const&>(function); auto& proxy = static_cast<ProxyObject const&>(function);
// a. If obj.[[ProxyHandler]] is null, throw a TypeError exception. // a. If obj.[[ProxyHandler]] is null, throw a TypeError exception.
if (proxy.is_revoked()) { if (proxy.is_revoked())
vm.throw_exception<TypeError>(global_object, ErrorType::ProxyRevoked); return vm.throw_completion<TypeError>(global_object, ErrorType::ProxyRevoked);
return nullptr;
}
// b. Let proxyTarget be obj.[[ProxyTarget]]. // b. Let proxyTarget be obj.[[ProxyTarget]].
auto& proxy_target = proxy.target(); auto& proxy_target = proxy.target();
@ -340,9 +338,7 @@ Object* get_prototype_from_constructor(GlobalObject& global_object, FunctionObje
if (vm.exception()) if (vm.exception())
return nullptr; return nullptr;
if (!prototype.is_object()) { if (!prototype.is_object()) {
auto* realm = get_function_realm(global_object, constructor); auto* realm = TRY_OR_DISCARD(get_function_realm(global_object, constructor));
if (vm.exception())
return nullptr;
prototype = (realm->global_object().*intrinsic_default_prototype)(); prototype = (realm->global_object().*intrinsic_default_prototype)();
} }
return &prototype.as_object(); return &prototype.as_object();

2
Userland/Libraries/LibJS/Runtime/AbstractOperations.h
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@ -23,7 +23,7 @@ ThrowCompletionOr<Value> require_object_coercible(GlobalObject&, Value);
size_t length_of_array_like(GlobalObject&, Object const&); size_t length_of_array_like(GlobalObject&, Object const&);
ThrowCompletionOr<MarkedValueList> create_list_from_array_like(GlobalObject&, Value, Function<ThrowCompletionOr<void>(Value)> = {}); ThrowCompletionOr<MarkedValueList> create_list_from_array_like(GlobalObject&, Value, Function<ThrowCompletionOr<void>(Value)> = {});
ThrowCompletionOr<FunctionObject*> species_constructor(GlobalObject&, Object const&, FunctionObject& default_constructor); ThrowCompletionOr<FunctionObject*> species_constructor(GlobalObject&, Object const&, FunctionObject& default_constructor);
Realm* get_function_realm(GlobalObject&, FunctionObject const&); ThrowCompletionOr<Realm*> get_function_realm(GlobalObject&, FunctionObject const&);
bool is_compatible_property_descriptor(bool extensible, PropertyDescriptor const&, Optional<PropertyDescriptor> const& current); bool is_compatible_property_descriptor(bool extensible, PropertyDescriptor const&, Optional<PropertyDescriptor> const& current);
bool validate_and_apply_property_descriptor(Object*, PropertyName const&, bool extensible, PropertyDescriptor const&, Optional<PropertyDescriptor> const& current); bool validate_and_apply_property_descriptor(Object*, PropertyName const&, bool extensible, PropertyDescriptor const&, Optional<PropertyDescriptor> const& current);
Object* get_prototype_from_constructor(GlobalObject&, FunctionObject const& constructor, Object* (GlobalObject::*intrinsic_default_prototype)()); Object* get_prototype_from_constructor(GlobalObject&, FunctionObject const& constructor, Object* (GlobalObject::*intrinsic_default_prototype)());

4
Userland/Libraries/LibJS/Runtime/ArrayPrototype.cpp
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@ -124,9 +124,7 @@ static Object* array_species_create(GlobalObject& global_object, Object& origina
if (constructor.is_constructor()) { if (constructor.is_constructor()) {
auto& constructor_function = constructor.as_function(); auto& constructor_function = constructor.as_function();
auto* this_realm = vm.current_realm(); auto* this_realm = vm.current_realm();
auto* constructor_realm = get_function_realm(global_object, constructor_function); auto* constructor_realm = TRY_OR_DISCARD(get_function_realm(global_object, constructor_function));
if (vm.exception())
return {};
if (constructor_realm != this_realm) { if (constructor_realm != this_realm) {
if (&constructor_function == constructor_realm->global_object().array_constructor()) if (&constructor_function == constructor_realm->global_object().array_constructor())
constructor = js_undefined(); constructor = js_undefined();