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In contrast to `assert` and similar functions, `require` works in no-assert builds the same way as in debug builds. It can be used to check invariants also in release builds.
35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
//===--- Require.h ----------------------------------------------*- 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 - 2024 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, which provides the
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// functionality of llvm_unreachable without necessarily depending on
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// the LLVM support libraries.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_BASIC_REQUIRE_H
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#define SWIFT_BASIC_REQUIRE_H
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#include "llvm/Support/raw_ostream.h"
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/// Checks the `condition` and if it's false abort with `message`.
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/// In contrast to `assert` and similar functions, `require` works in
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/// no-assert builds the same way as in debug builds.
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inline void require(bool condition, const char *message) {
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if (!condition) {
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llvm::errs() << message << '\n';
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abort();
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}
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}
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#endif
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