100 lines
5.1 KiB
C++
100 lines
5.1 KiB
C++
/*
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* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/Error.h>
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#include <LibJS/Runtime/ErrorConstructor.h>
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#include <LibJS/Runtime/GlobalObject.h>
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namespace JS {
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ErrorConstructor::ErrorConstructor(GlobalObject& global_object)
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: NativeFunction(vm().names.Error, *global_object.function_prototype())
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{
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}
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void ErrorConstructor::initialize(GlobalObject& global_object)
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{
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auto& vm = this->vm();
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NativeFunction::initialize(global_object);
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define_property(vm.names.prototype, global_object.error_prototype(), 0);
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define_property(vm.names.length, Value(1), Attribute::Configurable);
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}
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Value ErrorConstructor::call()
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{
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return construct(*this);
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}
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Value ErrorConstructor::construct(Function&)
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{
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auto& vm = this->vm();
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// FIXME: Use OrdinaryCreateFromConstructor(newTarget, "%Error.prototype%")
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auto* error = Error::create(global_object());
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u8 attr = Attribute::Writable | Attribute::Configurable;
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if (!vm.argument(0).is_undefined()) {
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auto message = vm.argument(0).to_string(global_object());
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if (vm.exception())
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return {};
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error->define_property(vm.names.message, js_string(vm, message), attr);
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}
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error->install_error_cause(vm.argument(1));
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if (vm.exception())
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return {};
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return error;
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}
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#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
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ConstructorName::ConstructorName(GlobalObject& global_object) \
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: NativeFunction(*static_cast<Object*>(global_object.error_constructor())) \
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{ \
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} \
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\
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void ConstructorName::initialize(GlobalObject& global_object) \
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{ \
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auto& vm = this->vm(); \
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NativeFunction::initialize(global_object); \
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define_property(vm.names.prototype, global_object.snake_name##_prototype(), 0); \
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define_property(vm.names.length, Value(1), Attribute::Configurable); \
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} \
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\
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ConstructorName::~ConstructorName() { } \
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\
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Value ConstructorName::call() \
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{ \
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return construct(*this); \
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} \
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\
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Value ConstructorName::construct(Function&) \
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{ \
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auto& vm = this->vm(); \
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/* FIXME: Use OrdinaryCreateFromConstructor( \
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* FIXME: newTarget, "%NativeError.prototype%"). */ \
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auto* error = ClassName::create(global_object()); \
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\
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u8 attr = Attribute::Writable | Attribute::Configurable; \
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\
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if (!vm.argument(0).is_undefined()) { \
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auto message = vm.argument(0).to_string(global_object()); \
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if (vm.exception()) \
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return {}; \
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error->define_property(vm.names.message, js_string(vm, message), attr); \
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} \
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\
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error->install_error_cause(vm.argument(1)); \
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if (vm.exception()) \
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return {}; \
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\
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return error; \
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}
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JS_ENUMERATE_NATIVE_ERRORS
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#undef __JS_ENUMERATE
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}
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