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//===--- DemanglerAssert.h - Assertions for de/re-mangling ------*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
//
// This file implements a macro, DEMANGLE_ASSERT(), which will assert in the
// compiler, but in the runtime will return a ManglingError on failure.
//
//===----------------------------------------------------------------------===//
#ifndef SWIFT_DEMANGLING_ASSERT_H
#define SWIFT_DEMANGLING_ASSERT_H
#include "llvm/Support/Compiler.h"
#include "swift/Demangling/Demangle.h"
#include "swift/Demangling/NamespaceMacros.h"
#if defined(NDEBUG) || defined (SWIFT_RUNTIME)
// In the runtime and non-asserts builds, DEMANGLER_ASSERT() returns an error.
#define DEMANGLER_ASSERT(expr, node) \
do { \
if (!(expr)) \
return ManglingError(ManglingError::AssertionFailed, (node), __LINE__); \
} while (0)
#else
// Except in unittests, assert builds cause DEMANGLER_ASSERT() to assert()
#define DEMANGLER_ASSERT(expr, node) \
do { \
if (!(expr)) { \
if (Factory.disableAssertionsForUnitTest) \
return ManglingError(ManglingError::AssertionFailed, (node), \
__LINE__); \
else \
swift::Demangle::failAssert(__FILE__, __LINE__, node, #expr); \
} \
} while (0)
#endif
// DEMANGLER_ALWAYS_ASSERT() *always* fails the program, even in the runtime
#define DEMANGLER_ALWAYS_ASSERT(expr, node) \
do { \
if (!(expr)) \
swift::Demangle::failAssert(__FILE__, __LINE__, node, #expr); \
} while (0)
namespace swift {
namespace Demangle {
SWIFT_BEGIN_INLINE_NAMESPACE
[[noreturn]] void failAssert(const char *file, unsigned line, NodePointer node,
const char *expr);
SWIFT_END_INLINE_NAMESPACE
} // end namespace Demangle
} // end namespace swift
#endif // SWIFT_DEMANGLING_ASSERT_H
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