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35c9aa7c05
Now that the GC allocator is able to invoke Cell subclass constructors directly via friendship, we no longer need to keep them public. :^)
64 lines
2.2 KiB
C++
64 lines
2.2 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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#pragma once
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#include <AK/FlyString.h>
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#include <LibJS/Runtime/Completion.h>
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#include <LibJS/Runtime/Object.h>
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#include <LibJS/SourceRange.h>
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namespace JS {
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struct TracebackFrame {
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FlyString function_name;
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SourceRange source_range;
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};
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class Error : public Object {
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JS_OBJECT(Error, Object);
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public:
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static Error* create(Realm&);
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static Error* create(Realm&, String const& message);
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virtual ~Error() override = default;
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[[nodiscard]] String stack_string() const;
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ThrowCompletionOr<void> install_error_cause(Value options);
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Vector<TracebackFrame, 32> const& traceback() const { return m_traceback; }
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protected:
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explicit Error(Object& prototype);
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private:
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void populate_stack();
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Vector<TracebackFrame, 32> m_traceback;
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};
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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 ClassName final : public Error { \
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JS_OBJECT(ClassName, Error); \
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\
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public: \
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static ClassName* create(Realm&); \
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static ClassName* create(Realm&, String const& 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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