mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-07-29 04:09:13 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

LibJS: Make well-known symbol getters return NonnullGCPtr

Browse source 
None of these are ever null after the VM has been initialized, as proved
by virtually every caller immediately dereferencing the raw pointer.
This commit is contained in:
Linus Groh 2023-04-13 01:14:45 +02:00
commit 2555d7a36a
Notes: sideshowbarker 2024-07-17 05:23:40 +09:00
78 changed files with 122 additions and 121 deletions
Download patch file Download diff file Expand all files Collapse all files

8
Userland/Libraries/LibJS/Runtime/AbstractOperations.cpp
View file

@ -147,7 +147,7 @@ ThrowCompletionOr<FunctionObject*> species_constructor(VM& vm, Object const& obj
return vm.throw_completion<TypeError>(ErrorType::NotAConstructor, TRY_OR_THROW_OOM(vm, constructor.to_string_without_side_effects()));
// 4. Let S be ? Get(C, @@species).
auto species = TRY(constructor.as_object().get(*vm.well_known_symbol_species()));
auto species = TRY(constructor.as_object().get(vm.well_known_symbol_species()));
// 5. If S is either undefined or null, return defaultConstructor.
if (species.is_nullish())
@ -1076,7 +1076,7 @@ Object* create_unmapped_arguments_object(VM& vm, Span<Value> arguments)
// 7. Perform ! DefinePropertyOrThrow(obj, @@iterator, PropertyDescriptor { [[Value]]: %Array.prototype.values%, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true }).
auto array_prototype_values = realm.intrinsics().array_prototype_values_function();
MUST(object->define_property_or_throw(*vm.well_known_symbol_iterator(), { .value = array_prototype_values, .writable = true, .enumerable = false, .configurable = true }));
MUST(object->define_property_or_throw(vm.well_known_symbol_iterator(), { .value = array_prototype_values, .writable = true, .enumerable = false, .configurable = true }));
// 8. Perform ! DefinePropertyOrThrow(obj, "callee", PropertyDescriptor { [[Get]]: %ThrowTypeError%, [[Set]]: %ThrowTypeError%, [[Enumerable]]: false, [[Configurable]]: false }).
auto throw_type_error = realm.intrinsics().throw_type_error_function();
@ -1159,7 +1159,7 @@ Object* create_mapped_arguments_object(VM& vm, FunctionObject& function, Vector<
// 20. Perform ! DefinePropertyOrThrow(obj, @@iterator, PropertyDescriptor { [[Value]]: %Array.prototype.values%, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true }).
auto array_prototype_values = realm.intrinsics().array_prototype_values_function();
MUST(object->define_property_or_throw(*vm.well_known_symbol_iterator(), { .value = array_prototype_values, .writable = true, .enumerable = false, .configurable = true }));
MUST(object->define_property_or_throw(vm.well_known_symbol_iterator(), { .value = array_prototype_values, .writable = true, .enumerable = false, .configurable = true }));
// 21. Perform ! DefinePropertyOrThrow(obj, "callee", PropertyDescriptor { [[Value]]: func, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true }).
MUST(object->define_property_or_throw(vm.names.callee, { .value = &function, .writable = true, .enumerable = false, .configurable = true }));
@ -1401,7 +1401,7 @@ ThrowCompletionOr<GCPtr<FunctionObject>> get_dispose_method(VM& vm, Value value,
// 2. Else,
// a. Let method be ? GetMethod(V, @@dispose).
return GCPtr<FunctionObject> { TRY(value.get_method(vm, *vm.well_known_symbol_dispose())) };
return GCPtr<FunctionObject> { TRY(value.get_method(vm, vm.well_known_symbol_dispose())) };
}
// 2.1.5 Dispose ( V, hint, method ), https://tc39.es/proposal-explicit-resource-management/#sec-dispose