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57130908b3
Split JS::ErrorData out of JS::Error so that it can be used both by JS::Error and WebIDL::DOMException. This adds support for Error.isError to DOMException, also letting us report DOMException stack information to the console.
75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2021-2022, 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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#pragma once
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#include <AK/FlyString.h>
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#include <AK/String.h>
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#include <AK/Utf16String.h>
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#include <LibJS/Export.h>
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#include <LibJS/Runtime/Completion.h>
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#include <LibJS/Runtime/ErrorData.h>
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#include <LibJS/Runtime/Object.h>
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namespace JS {
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class JS_API Error
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: public Object
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, public ErrorData {
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JS_OBJECT(Error, Object);
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GC_DECLARE_ALLOCATOR(Error);
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public:
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static GC::Ref<Error> create(Realm&);
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static GC::Ref<Error> create(Realm&, Utf16String message);
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static GC::Ref<Error> create(Realm&, StringView message);
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virtual ~Error() override = default;
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[[nodiscard]] Utf16String stack_string(CompactTraceback compact = CompactTraceback::No) const;
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ThrowCompletionOr<void> install_error_cause(Value options);
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void set_message(Utf16String);
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protected:
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explicit Error(Object& prototype);
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virtual void visit_edges(Visitor&) override;
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private:
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virtual bool is_error_object() const final { return true; }
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virtual ErrorData* error_data() final { return this; }
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virtual ErrorData const* error_data() const final { return this; }
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};
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template<>
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inline bool Object::fast_is<Error>() const { return is_error_object(); }
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// NOTE: Making these inherit from Error is not required by the spec but
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// our way of implementing the [[ErrorData]] internal slot, which is
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// used in Object.prototype.toString().
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#define DECLARE_NATIVE_ERROR(ClassName, snake_name, PrototypeName, ConstructorName) \
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class JS_API ClassName final : public Error { \
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JS_OBJECT(ClassName, Error); \
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GC_DECLARE_ALLOCATOR(ClassName); \
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\
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public: \
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static GC::Ref<ClassName> create(Realm&); \
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static GC::Ref<ClassName> create(Realm&, Utf16String message); \
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static GC::Ref<ClassName> create(Realm&, StringView message); \
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\
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explicit ClassName(Object& prototype); \
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virtual ~ClassName() override = default; \
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};
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#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
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DECLARE_NATIVE_ERROR(ClassName, snake_name, PrototypeName, ConstructorName)
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JS_ENUMERATE_NATIVE_ERRORS
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#undef __JS_ENUMERATE
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}
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