f218a4b548
20.5.1.1 Error ( message )
When the Error function is called with argument message, the
following steps are taken:
[...]
3b. Let msgDesc be the PropertyDescriptor {
[[Value]]: msg,
[[Writable]]: true,
[[Enumerable]]: false,
[[Configurable]]: true
}.
3c. Perform ! DefinePropertyOrThrow(O, "message", msgDesc).
49 lines
2.6 KiB
C++
49 lines
2.6 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 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/GlobalObject.h>
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namespace JS {
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Error* Error::create(GlobalObject& global_object, const String& message)
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{
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auto& vm = global_object.vm();
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auto* error = global_object.heap().allocate<Error>(global_object, *global_object.error_prototype());
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if (!message.is_null()) {
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u8 attr = Attribute::Writable | Attribute::Configurable;
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error->define_property(vm.names.message, js_string(vm, message), attr);
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}
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return error;
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}
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Error::Error(Object& prototype)
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: Object(prototype)
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{
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}
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#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
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ClassName* ClassName::create(GlobalObject& global_object, const String& message) \
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{ \
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auto& vm = global_object.vm(); \
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auto* error = global_object.heap().allocate<ClassName>(global_object, *global_object.snake_name##_prototype()); \
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if (!message.is_null()) { \
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u8 attr = Attribute::Writable | Attribute::Configurable; \
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error->define_property(vm.names.message, js_string(vm, message), attr); \
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} \
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return error; \
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} \
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\
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ClassName::ClassName(Object& prototype) \
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: Error(prototype) \
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{ \
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}
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JS_ENUMERATE_ERROR_SUBCLASSES
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#undef __JS_ENUMERATE
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}
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