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LibJS: Store the %Array.prototype.values% intrinsic on the global object

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Also group the getter functions for all the additional intrinsics (not
generated via macros), and initialize the members.
This commit is contained in:
Linus Groh 2021-07-25 19:37:42 +01:00
parent 50472fd69f
commit 1c1354db07
3 changed files with 15 additions and 18 deletions
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10
Userland/Libraries/LibJS/Runtime/AbstractOperations.cpp
View file

@ -435,10 +435,7 @@ Object* create_unmapped_arguments_object(GlobalObject& global_object, Vector<Val
}
// 7. Perform ! DefinePropertyOrThrow(obj, @@iterator, PropertyDescriptor { [[Value]]: %Array.prototype.values%, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true }).
// FIXME: This is not guaranteed to be %Array.prototype.values%!
auto array_prototype_values = global_object.array_prototype()->get(vm.names.values);
if (vm.exception())
return {};
auto* array_prototype_values = global_object.array_prototype_values_function();
object->define_property_or_throw(*vm.well_known_symbol_iterator(), { .value = array_prototype_values, .writable = true, .enumerable = false, .configurable = true });
VERIFY(!vm.exception());
@ -530,10 +527,7 @@ Object* create_mapped_arguments_object(GlobalObject& global_object, FunctionObje
}
// 20. Perform ! DefinePropertyOrThrow(obj, @@iterator, PropertyDescriptor { [[Value]]: %Array.prototype.values%, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true }).
// FIXME: This is not guaranteed to be %Array.prototype.values%!
auto array_prototype_values = global_object.array_prototype()->get(vm.names.values);
if (vm.exception())
return {};
auto* array_prototype_values = global_object.array_prototype_values_function();
object->define_property_or_throw(*vm.well_known_symbol_iterator(), { .value = array_prototype_values, .writable = true, .enumerable = false, .configurable = true });
VERIFY(!vm.exception());

14
Userland/Libraries/LibJS/Runtime/GlobalObject.cpp
View file

@ -166,7 +166,6 @@ void GlobalObject::initialize_global_object()
define_native_function(vm.names.parseFloat, parse_float, 1, attr);
define_native_function(vm.names.parseInt, parse_int, 2, attr);
define_native_function(vm.names.eval, eval, 1, attr);
m_eval_function = &get_without_side_effects(vm.names.eval).as_function();
// 10.2.4.1 %ThrowTypeError% ( ), https://tc39.es/ecma262/#sec-%throwtypeerror%
m_throw_type_error_function = NativeFunction::create(global_object(), {}, [](VM& vm, GlobalObject& global_object) {
@ -178,8 +177,8 @@ void GlobalObject::initialize_global_object()
m_throw_type_error_function->internal_prevent_extensions();
// 10.2.4 AddRestrictedFunctionProperties ( F, realm ), https://tc39.es/ecma262/#sec-addrestrictedfunctionproperties
m_function_prototype->define_direct_accessor(vm.names.caller, throw_type_error_function(), throw_type_error_function(), Attribute::Configurable);
m_function_prototype->define_direct_accessor(vm.names.arguments, throw_type_error_function(), throw_type_error_function(), Attribute::Configurable);
m_function_prototype->define_direct_accessor(vm.names.caller, m_throw_type_error_function, m_throw_type_error_function, Attribute::Configurable);
m_function_prototype->define_direct_accessor(vm.names.arguments, m_throw_type_error_function, m_throw_type_error_function, Attribute::Configurable);
define_native_function(vm.names.encodeURI, encode_uri, 1, attr);
define_native_function(vm.names.decodeURI, decode_uri, 1, attr);
@ -238,6 +237,9 @@ void GlobalObject::initialize_global_object()
m_generator_function_constructor = heap().allocate<GeneratorFunctionConstructor>(*this, *this);
// 27.3.3.1 GeneratorFunction.prototype.constructor, https://tc39.es/ecma262/#sec-generatorfunction.prototype.constructor
m_generator_function_prototype->define_direct_property(vm.names.constructor, m_generator_function_constructor, Attribute::Configurable);
m_array_prototype_values_function = &m_array_prototype->get_without_side_effects(vm.names.values).as_function();
m_eval_function = &get_without_side_effects(vm.names.eval).as_function();
}
GlobalObject::~GlobalObject()
@ -254,6 +256,9 @@ void GlobalObject::visit_edges(Visitor& visitor)
visitor.visit(m_proxy_constructor);
visitor.visit(m_generator_object_prototype);
visitor.visit(m_environment);
visitor.visit(m_array_prototype_values_function);
visitor.visit(m_eval_function);
visitor.visit(m_throw_type_error_function);
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
visitor.visit(m_##snake_name##_constructor); \
@ -271,9 +276,6 @@ void GlobalObject::visit_edges(Visitor& visitor)
visitor.visit(m_##snake_name##_prototype);
JS_ENUMERATE_ITERATOR_PROTOTYPES
#undef __JS_ENUMERATE
visitor.visit(m_eval_function);
visitor.visit(m_throw_type_error_function);
}
JS_DEFINE_NATIVE_FUNCTION(GlobalObject::gc)

9
Userland/Libraries/LibJS/Runtime/GlobalObject.h
View file

@ -36,8 +36,8 @@ public:
// Not included in JS_ENUMERATE_NATIVE_OBJECTS due to missing distinct constructor
GeneratorObjectPrototype* generator_object_prototype() { return m_generator_object_prototype; }
FunctionObject* array_prototype_values_function() const { return m_array_prototype_values_function; }
FunctionObject* eval_function() const { return m_eval_function; }
FunctionObject* throw_type_error_function() const { return m_throw_type_error_function; }
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
@ -95,6 +95,10 @@ private:
GlobalEnvironment* m_environment { nullptr };
FunctionObject* m_array_prototype_values_function { nullptr };
FunctionObject* m_eval_function { nullptr };
FunctionObject* m_throw_type_error_function { nullptr };
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
ConstructorName* m_##snake_name##_constructor { nullptr }; \
Object* m_##snake_name##_prototype { nullptr };
@ -111,9 +115,6 @@ private:
Object* m_##snake_name##_prototype { nullptr };
JS_ENUMERATE_ITERATOR_PROTOTYPES
#undef __JS_ENUMERATE
FunctionObject* m_eval_function;
FunctionObject* m_throw_type_error_function;
};
template<typename ConstructorType>