// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_BASE_V8_FALLTHROUGH_H_
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#define V8_BASE_V8_FALLTHROUGH_H_
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// When clang suggests inserting [[clang::fallthrough]], it first checks if
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// it knows of a macro expanding to it, and if so suggests inserting the
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// macro. This means that this macro must be used only in code internal
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// to v8, so that v8's user code doesn't end up getting suggestions
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// for V8_FALLTHROUGH instead of the user-specific fallthrough macro.
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// So do not include this header in any of v8's public headers -- only
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// use it in src/, not in include/.
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#if defined(__clang__)
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#define V8_FALLTHROUGH [[clang::fallthrough]] // NOLINT(whitespace/braces)
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#else
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#define V8_FALLTHROUGH
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#endif
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#endif // V8_BASE_V8_FALLTHROUGH_H_
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