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f9a93a55d7
Centralize the `SWIFT_{BEGIN/END}_NULLABILITY_ANNOTATIONS` definitions in a new
Nullability.h header to share.
71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
//===--- Errors.h - Demangling library error handling -----------*- 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) 2022 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 exists because not every client links to libswiftCore (the
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// runtime), so calling swift::fatalError() or swift::warning() from within
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// the demangler is not an option.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_DEMANGLING_ERRORS_H
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#define SWIFT_DEMANGLING_ERRORS_H
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#include "swift/Demangling/NamespaceMacros.h"
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#include <inttypes.h>
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#include <stdarg.h>
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#ifndef SWIFT_FORMAT
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// SWIFT_FORMAT(fmt,first) marks a function as taking a format string argument
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// at argument `fmt`, with the first argument for the format string as `first`.
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#if __has_attribute(format)
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#define SWIFT_FORMAT(fmt, first) __attribute__((format(printf, fmt, first)))
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#else
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#define SWIFT_FORMAT(fmt, first)
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#endif
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#endif
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#ifndef SWIFT_VFORMAT
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// SWIFT_VFORMAT(fmt) marks a function as taking a format string argument at
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// argument `fmt`, with the arguments in a `va_list`.
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#if __has_attribute(format)
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#define SWIFT_VFORMAT(fmt) __attribute__((format(printf, fmt, 0)))
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#else
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#define SWIFT_VFORMAT(fmt)
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#endif
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#endif
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#ifndef SWIFT_NORETURN
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#if __has_attribute(noreturn)
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#define SWIFT_NORETURN __attribute__((__noreturn__))
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#else
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#define SWIFT_NORETURN
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#endif
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#endif
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namespace swift {
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namespace Demangle {
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SWIFT_BEGIN_INLINE_NAMESPACE
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SWIFT_NORETURN SWIFT_FORMAT(2, 3) void fatal(uint32_t flags, const char *format,
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...);
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SWIFT_FORMAT(2, 3) void warn(uint32_t flags, const char *format, ...);
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SWIFT_NORETURN SWIFT_VFORMAT(2) void fatalv(uint32_t flags, const char *format,
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va_list val);
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SWIFT_VFORMAT(2) void warnv(uint32_t flags, const char *format, va_list val);
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SWIFT_END_INLINE_NAMESPACE
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} // end namespace Demangle
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} // end namespace swift
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#endif // SWIFT_DEMANGLING_DEMANGLE_H
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