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40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
//===--- Unreachable.h - Implements swift_unrachable ------------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines swift_unreachable, an LLVM-independent implementation of
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// llvm_unreachable.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_BASIC_UNREACHABLE_H
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#define SWIFT_BASIC_UNREACHABLE_H
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#include <assert.h>
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#include <stdlib.h>
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#ifdef __GNUC__
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#define SWIFT_ATTRIBUTE_NORETURN __attribute__((noreturn))
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#elif defined(_MSC_VER)
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#define SWIFT_ATTRIBUTE_NORETURN __declspec(noreturn)
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#else
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#define SWIFT_ATTRIBUTE_NORETURN
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#endif
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SWIFT_ATTRIBUTE_NORETURN
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inline static void swift_unreachable(const char* msg) {
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assert(false && msg);
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(void)msg;
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abort();
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}
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#endif // SWIFT_BASIC_UNREACHABLE_H
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