mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-04-25 14:05:15 +00:00
581f20e6f2
This makes the implicit run-time assertion in PropertyName::to_string() into an explicit compile-time requirement, removes a wasteful FlyString -> PropertyName -> FlyString construction from NativeFunction::create() and allows setting the function name to a null string for anonymous native functions.
118 lines
6.3 KiB
C++
118 lines
6.3 KiB
C++
/*
|
|
* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibJS/Runtime/AbstractOperations.h>
|
|
#include <LibJS/Runtime/Error.h>
|
|
#include <LibJS/Runtime/ErrorConstructor.h>
|
|
#include <LibJS/Runtime/GlobalObject.h>
|
|
|
|
namespace JS {
|
|
|
|
ErrorConstructor::ErrorConstructor(GlobalObject& global_object)
|
|
: NativeFunction(vm().names.Error.as_string(), *global_object.function_prototype())
|
|
{
|
|
}
|
|
|
|
void ErrorConstructor::initialize(GlobalObject& global_object)
|
|
{
|
|
auto& vm = this->vm();
|
|
NativeFunction::initialize(global_object);
|
|
|
|
// 20.5.2.1 Error.prototype, https://tc39.es/ecma262/#sec-error.prototype
|
|
define_property(vm.names.prototype, global_object.error_prototype(), 0);
|
|
|
|
define_property(vm.names.length, Value(1), Attribute::Configurable);
|
|
}
|
|
|
|
// 20.5.1.1 Error ( message ), https://tc39.es/ecma262/#sec-error-message
|
|
Value ErrorConstructor::call()
|
|
{
|
|
return construct(*this);
|
|
}
|
|
|
|
// 20.5.1.1 Error ( message ), https://tc39.es/ecma262/#sec-error-message
|
|
Value ErrorConstructor::construct(FunctionObject& new_target)
|
|
{
|
|
auto& vm = this->vm();
|
|
auto& global_object = this->global_object();
|
|
|
|
auto* error = ordinary_create_from_constructor<Error>(global_object, new_target, &GlobalObject::error_prototype);
|
|
if (vm.exception())
|
|
return {};
|
|
|
|
u8 attr = Attribute::Writable | Attribute::Configurable;
|
|
|
|
if (!vm.argument(0).is_undefined()) {
|
|
auto message = vm.argument(0).to_string(global_object);
|
|
if (vm.exception())
|
|
return {};
|
|
error->define_property(vm.names.message, js_string(vm, message), attr);
|
|
}
|
|
|
|
error->install_error_cause(vm.argument(1));
|
|
if (vm.exception())
|
|
return {};
|
|
|
|
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_property(vm.names.prototype, global_object.snake_name##_prototype(), 0); \
|
|
\
|
|
define_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 = ordinary_create_from_constructor<ClassName>( \
|
|
global_object, new_target, &GlobalObject::snake_name##_prototype); \
|
|
if (vm.exception()) \
|
|
return {}; \
|
|
\
|
|
u8 attr = Attribute::Writable | Attribute::Configurable; \
|
|
\
|
|
if (!vm.argument(0).is_undefined()) { \
|
|
auto message = vm.argument(0).to_string(global_object); \
|
|
if (vm.exception()) \
|
|
return {}; \
|
|
error->define_property(vm.names.message, js_string(vm, message), attr); \
|
|
} \
|
|
\
|
|
error->install_error_cause(vm.argument(1)); \
|
|
if (vm.exception()) \
|
|
return {}; \
|
|
\
|
|
return error; \
|
|
}
|
|
|
|
JS_ENUMERATE_NATIVE_ERRORS
|
|
#undef __JS_ENUMERATE
|
|
|
|
}
|