mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 23:50:19 +00:00
75 lines
3 KiB
C++
75 lines
3 KiB
C++
/*
|
|
* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Optional.h>
|
|
#include <AK/String.h>
|
|
#include <LibJS/Forward.h>
|
|
#include <LibJS/Runtime/Value.h>
|
|
|
|
namespace JS {
|
|
|
|
// 6.2.5 The Property Descriptor Specification Type, https://tc39.es/ecma262/#sec-property-descriptor-specification-type
|
|
|
|
Value from_property_descriptor(VM&, Optional<PropertyDescriptor> const&);
|
|
ThrowCompletionOr<PropertyDescriptor> to_property_descriptor(VM&, Value);
|
|
|
|
class PropertyDescriptor {
|
|
public:
|
|
[[nodiscard]] bool is_accessor_descriptor() const;
|
|
[[nodiscard]] bool is_data_descriptor() const;
|
|
[[nodiscard]] bool is_generic_descriptor() const;
|
|
|
|
[[nodiscard]] PropertyAttributes attributes() const;
|
|
|
|
void complete();
|
|
|
|
// Not a standard abstract operation, but "If every field in Desc is absent".
|
|
[[nodiscard]] bool is_empty() const
|
|
{
|
|
return !value.has_value() && !get.has_value() && !set.has_value() && !writable.has_value() && !enumerable.has_value() && !configurable.has_value() && !unimplemented.has_value();
|
|
}
|
|
|
|
Optional<Value> value {};
|
|
Optional<GCPtr<FunctionObject>> get {};
|
|
Optional<GCPtr<FunctionObject>> set {};
|
|
Optional<bool> writable {};
|
|
Optional<bool> enumerable {};
|
|
Optional<bool> configurable {};
|
|
Optional<bool> unimplemented {};
|
|
|
|
Optional<u32> property_offset {};
|
|
};
|
|
|
|
}
|
|
|
|
namespace AK {
|
|
|
|
template<>
|
|
struct Formatter<JS::PropertyDescriptor> : Formatter<StringView> {
|
|
ErrorOr<void> format(FormatBuilder& builder, JS::PropertyDescriptor const& property_descriptor)
|
|
{
|
|
Vector<String> parts;
|
|
if (property_descriptor.value.has_value())
|
|
TRY(parts.try_append(TRY(String::formatted("[[Value]]: {}", property_descriptor.value->to_string_without_side_effects()))));
|
|
if (property_descriptor.get.has_value())
|
|
TRY(parts.try_append(TRY(String::formatted("[[Get]]: JS::Function* @ {:p}", property_descriptor.get->ptr()))));
|
|
if (property_descriptor.set.has_value())
|
|
TRY(parts.try_append(TRY(String::formatted("[[Set]]: JS::Function* @ {:p}", property_descriptor.set->ptr()))));
|
|
if (property_descriptor.writable.has_value())
|
|
TRY(parts.try_append(TRY(String::formatted("[[Writable]]: {}", *property_descriptor.writable))));
|
|
if (property_descriptor.enumerable.has_value())
|
|
TRY(parts.try_append(TRY(String::formatted("[[Enumerable]]: {}", *property_descriptor.enumerable))));
|
|
if (property_descriptor.configurable.has_value())
|
|
TRY(parts.try_append(TRY(String::formatted("[[Configurable]]: {}", *property_descriptor.configurable))));
|
|
if (property_descriptor.unimplemented.has_value())
|
|
TRY(parts.try_append(TRY(String::formatted("[[Unimplemented]]: {}", *property_descriptor.unimplemented))));
|
|
return Formatter<StringView>::format(builder, TRY(String::formatted("PropertyDescriptor {{ {} }}", TRY(String::join(", "sv, parts)))));
|
|
}
|
|
};
|
|
|
|
}
|