106 lines
6.8 KiB
C++
106 lines
6.8 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/AbstractOperations.h>
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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.as_string(), *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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// 20.5.2.1 Error.prototype, https://tc39.es/ecma262/#sec-error.prototype
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define_direct_property(vm.names.prototype, global_object.error_prototype(), 0);
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define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
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}
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// 20.5.1.1 Error ( message ), https://tc39.es/ecma262/#sec-error-message
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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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// 20.5.1.1 Error ( message ), https://tc39.es/ecma262/#sec-error-message
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Value ErrorConstructor::construct(FunctionObject& new_target)
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{
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auto& vm = this->vm();
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auto& global_object = this->global_object();
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auto* error = TRY_OR_DISCARD(ordinary_create_from_constructor<Error>(global_object, new_target, &GlobalObject::error_prototype));
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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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MUST(error->create_non_enumerable_data_property_or_throw(vm.names.message, js_string(vm, message)));
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}
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TRY_OR_DISCARD(error->install_error_cause(vm.argument(1)));
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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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\
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/* 20.5.6.2.1 NativeError.prototype, \
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https://tc39.es/ecma262/#sec-nativeerror.prototype */ \
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define_direct_property(vm.names.prototype, global_object.snake_name##_prototype(), 0); \
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\
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define_direct_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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/* 20.5.6.1.1 NativeError ( message ), https://tc39.es/ecma262/#sec-nativeerror */ \
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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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/* 20.5.6.1.1 NativeError ( message ), https://tc39.es/ecma262/#sec-nativeerror */ \
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Value ConstructorName::construct(FunctionObject& new_target) \
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{ \
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auto& vm = this->vm(); \
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auto& global_object = this->global_object(); \
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\
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auto* error = TRY_OR_DISCARD(ordinary_create_from_constructor<ClassName>( \
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global_object, new_target, &GlobalObject::snake_name##_prototype)); \
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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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MUST(error->create_non_enumerable_data_property_or_throw(vm.names.message, js_string(vm, message))); \
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} \
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\
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TRY_OR_DISCARD(error->install_error_cause(vm.argument(1))); \
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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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