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LibJS: Convert create_non_enum_data_p_or_throw() to ThrowCompletionOr

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The actual name is a bit longer, but you know what I mean :^)
This commit is contained in:
Linus Groh 2021-10-03 01:22:32 +01:00
parent 364dd42fc8
commit ebf57df431
Notes: sideshowbarker 2024-07-18 03:07:22 +09:00 
Author: https://github.com/linusg
Commit: https://github.com/SerenityOS/serenity/commit/ebf57df431f
Pull-request: https://github.com/SerenityOS/serenity/pull/10327
Reviewed-by: https://github.com/IdanHo ✅
5 changed files with 55 additions and 51 deletions
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2
Userland/Libraries/LibJS/Runtime/AggregateErrorConstructor.cpp
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@ -48,7 +48,7 @@ Value AggregateErrorConstructor::construct(FunctionObject& new_target)
auto message = vm.argument(1).to_string(global_object);
if (vm.exception())
return {};
aggregate_error->create_non_enumerable_data_property_or_throw(vm.names.message, js_string(vm, message));
MUST(aggregate_error->create_non_enumerable_data_property_or_throw(vm.names.message, js_string(vm, message)));
}
TRY_OR_DISCARD(aggregate_error->install_error_cause(vm.argument(2)));

2
Userland/Libraries/LibJS/Runtime/Error.cpp
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@ -46,7 +46,7 @@ ThrowCompletionOr<void> Error::install_error_cause(Value options)
auto cause = TRY(options.as_object().get(vm.names.cause));
// b. Perform ! CreateNonEnumerableDataPropertyOrThrow(O, "cause", cause).
create_non_enumerable_data_property_or_throw(vm.names.cause, cause);
MUST(create_non_enumerable_data_property_or_throw(vm.names.cause, cause));
}
// Return NormalCompletion(undefined).

92
Userland/Libraries/LibJS/Runtime/ErrorConstructor.cpp
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@ -45,7 +45,7 @@ Value ErrorConstructor::construct(FunctionObject& new_target)
auto message = vm.argument(0).to_string(global_object);
if (vm.exception())
return {};
error->create_non_enumerable_data_property_or_throw(vm.names.message, js_string(vm, message));
MUST(error->create_non_enumerable_data_property_or_throw(vm.names.message, js_string(vm, message)));
}
TRY_OR_DISCARD(error->install_error_cause(vm.argument(1)));
@ -53,51 +53,51 @@ Value ErrorConstructor::construct(FunctionObject& new_target)
return error;
}
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
ConstructorName::ConstructorName(GlobalObject& global_object) \
: NativeFunction(*static_cast<Object*>(global_object.error_constructor())) \
{ \
} \
\
void ConstructorName::initialize(GlobalObject& global_object) \
{ \
auto& vm = this->vm(); \
NativeFunction::initialize(global_object); \
\
/* 20.5.6.2.1 NativeError.prototype, \
https://tc39.es/ecma262/#sec-nativeerror.prototype */ \
define_direct_property(vm.names.prototype, global_object.snake_name##_prototype(), 0); \
\
define_direct_property(vm.names.length, Value(1), Attribute::Configurable); \
} \
\
ConstructorName::~ConstructorName() { } \
\
/* 20.5.6.1.1 NativeError ( message ), https://tc39.es/ecma262/#sec-nativeerror */ \
Value ConstructorName::call() \
{ \
return construct(*this); \
} \
\
/* 20.5.6.1.1 NativeError ( message ), https://tc39.es/ecma262/#sec-nativeerror */ \
Value ConstructorName::construct(FunctionObject& new_target) \
{ \
auto& vm = this->vm(); \
auto& global_object = this->global_object(); \
\
auto* error = TRY_OR_DISCARD(ordinary_create_from_constructor<ClassName>( \
global_object, new_target, &GlobalObject::snake_name##_prototype)); \
\
if (!vm.argument(0).is_undefined()) { \
auto message = vm.argument(0).to_string(global_object); \
if (vm.exception()) \
return {}; \
error->create_non_enumerable_data_property_or_throw(vm.names.message, js_string(vm, message)); \
} \
\
TRY_OR_DISCARD(error->install_error_cause(vm.argument(1))); \
\
return error; \
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
ConstructorName::ConstructorName(GlobalObject& global_object) \
: NativeFunction(*static_cast<Object*>(global_object.error_constructor())) \
{ \
} \
\
void ConstructorName::initialize(GlobalObject& global_object) \
{ \
auto& vm = this->vm(); \
NativeFunction::initialize(global_object); \
\
/* 20.5.6.2.1 NativeError.prototype, \
https://tc39.es/ecma262/#sec-nativeerror.prototype */ \
define_direct_property(vm.names.prototype, global_object.snake_name##_prototype(), 0); \
\
define_direct_property(vm.names.length, Value(1), Attribute::Configurable); \
} \
\
ConstructorName::~ConstructorName() { } \
\
/* 20.5.6.1.1 NativeError ( message ), https://tc39.es/ecma262/#sec-nativeerror */ \
Value ConstructorName::call() \
{ \
return construct(*this); \
} \
\
/* 20.5.6.1.1 NativeError ( message ), https://tc39.es/ecma262/#sec-nativeerror */ \
Value ConstructorName::construct(FunctionObject& new_target) \
{ \
auto& vm = this->vm(); \
auto& global_object = this->global_object(); \
\
auto* error = TRY_OR_DISCARD(ordinary_create_from_constructor<ClassName>( \
global_object, new_target, &GlobalObject::snake_name##_prototype)); \
\
if (!vm.argument(0).is_undefined()) { \
auto message = vm.argument(0).to_string(global_object); \
if (vm.exception()) \
return {}; \
MUST(error->create_non_enumerable_data_property_or_throw(vm.names.message, js_string(vm, message))); \
} \
\
TRY_OR_DISCARD(error->install_error_cause(vm.argument(1))); \
\
return error; \
}
JS_ENUMERATE_NATIVE_ERRORS

8
Userland/Libraries/LibJS/Runtime/Object.cpp
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@ -183,16 +183,20 @@ ThrowCompletionOr<bool> Object::create_data_property_or_throw(PropertyName const
}
// 7.3.6 CreateNonEnumerableDataPropertyOrThrow ( O, P, V ), https://tc39.es/proposal-error-cause/#sec-createnonenumerabledatapropertyorthrow
bool Object::create_non_enumerable_data_property_or_throw(PropertyName const& property_name, Value value)
ThrowCompletionOr<bool> Object::create_non_enumerable_data_property_or_throw(PropertyName const& property_name, Value value)
{
VERIFY(!value.is_empty());
VERIFY(property_name.is_valid());
auto& vm = this->vm();
// 1. Let newDesc be the PropertyDescriptor { [[Value]]: V, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true }.
auto new_description = PropertyDescriptor { .value = value, .writable = true, .enumerable = false, .configurable = true };
// 2. Return ? DefinePropertyOrThrow(O, P, newDesc).
return define_property_or_throw(property_name, new_description);
auto result = define_property_or_throw(property_name, new_description);
if (auto* exception = vm.exception())
return throw_completion(exception->value());
return result;
}
// 7.3.8 DefinePropertyOrThrow ( O, P, desc ), https://tc39.es/ecma262/#sec-definepropertyorthrow

2
Userland/Libraries/LibJS/Runtime/Object.h
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@ -80,7 +80,7 @@ public:
ThrowCompletionOr<bool> create_data_property(PropertyName const&, Value);
ThrowCompletionOr<bool> create_method_property(PropertyName const&, Value);
ThrowCompletionOr<bool> create_data_property_or_throw(PropertyName const&, Value);
bool create_non_enumerable_data_property_or_throw(PropertyName const&, Value);
ThrowCompletionOr<bool> create_non_enumerable_data_property_or_throw(PropertyName const&, Value);
bool define_property_or_throw(PropertyName const&, PropertyDescriptor const&);
bool delete_property_or_throw(PropertyName const&);
bool has_property(PropertyName const&) const;