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113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
//===--- ManglingMacros.h - Macros for Swift symbol mangling ----*- 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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#ifndef SWIFT_BASIC_MANGLING_MACROS_H
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#define SWIFT_BASIC_MANGLING_MACROS_H
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// The following macro enables the "new" mangling, which has an _S prefix rather
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// then the original _T prefix.
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// TODO: When we get rid of the old mangling, the term "new mangling" should
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// just be renamed to "mangling".
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//#define USE_NEW_MANGLING
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#define STRINGIFY_MANGLING(M) #M
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#define MANGLE_AS_STRING(M) STRINGIFY_MANGLING(M)
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/// The mangling prefix for the new mangling.
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#define MANGLING_PREFIX _S
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#define MANGLING_PREFIX_STR MANGLE_AS_STRING(MANGLING_PREFIX)
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// The following macros help to create symbol manglings. They can be used
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// if a mangled name is needed at compile-time, e.g. for variable names in the
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// swift runtime libraries.
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#define MANGLING_CONCAT2_IMPL(a, b) a##b
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#define MANGLING_CONCAT3_IMPL(a, b, c) a##b##c
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#ifdef USE_NEW_MANGLING
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#define MANGLING_CONCAT2(a, b) MANGLING_CONCAT2_IMPL(a, b)
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#define MANGLING_CONCAT3(a, b, c) MANGLING_CONCAT3_IMPL(a, b, c)
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#define MANGLE_SYM(Ops) MANGLING_CONCAT2(MANGLING_PREFIX, Ops)
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#define SELECT_MANGLING(Old, New) New
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#define METADATA_MANGLING N
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#define METATYPE_MANGLING m
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#define EMPTY_TUPLE_MANGLING yt
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#define NO_ARGS_MANGLING yy
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#define FUNC_TYPE_MANGLING c
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#define OBJC_PARTIAL_APPLY_THUNK_MANGLING Ta
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#else
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#define MANGLING_CONCAT2(a, b) MANGLING_CONCAT2_IMPL(b, a)
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#define MANGLING_CONCAT3(a, b, c) MANGLING_CONCAT3_IMPL(c, b, a)
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#define MANGLE_SYM(Ops) MANGLING_CONCAT2_IMPL(_T, Ops)
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#define SELECT_MANGLING(Old, New) Old
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#define METADATA_MANGLING M
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#define METATYPE_MANGLING M
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#define EMPTY_TUPLE_MANGLING T_
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#define NO_ARGS_MANGLING T_T_
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#define FUNC_TYPE_MANGLING F
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#define OBJC_PARTIAL_APPLY_THUNK_MANGLING PAo
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#endif
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#define FUNCTION_MANGLING \
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MANGLING_CONCAT2(NO_ARGS_MANGLING, FUNC_TYPE_MANGLING)
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#define THIN_FUNCTION_MANGLING \
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MANGLING_CONCAT2(NO_ARGS_MANGLING, Xf)
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#define OPTIONAL_MANGLING(Ty) \
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MANGLING_CONCAT3(MANGLING_CONCAT2_IMPL(Ty, _), Sq, G)
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#define METADATA_SYM(Ty) \
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MANGLE_SYM(MANGLING_CONCAT2(Ty, METADATA_MANGLING))
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#define STRUCT_METADATA_SYM(Ty) \
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MANGLE_SYM(MANGLING_CONCAT3(Ty, V, METADATA_MANGLING))
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#define CLASS_METADATA_SYM(Ty) \
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MANGLE_SYM(MANGLING_CONCAT3(Ty, C, METADATA_MANGLING))
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#define STRUCT_MD_ACCESSOR_SYM(Ty) \
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MANGLE_SYM(MANGLING_CONCAT3(Ty, V, Ma))
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#define VALUE_WITNESS_SYM(Ty) \
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MANGLE_SYM(MANGLING_CONCAT2(Ty, WV))
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#define UNOWNED_VALUE_WITNESS_SYM(Ty) \
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MANGLE_SYM(MANGLING_CONCAT3(Ty, Xo, WV))
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#define WEAK_VALUE_WITNESS_SYM(Ty) \
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MANGLE_SYM(MANGLING_CONCAT3(OPTIONAL_MANGLING(Ty), Xw, WV))
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#define METATYPE_VALUE_WITNESS_SYM(Ty) \
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MANGLE_SYM(MANGLING_CONCAT3(Ty, METATYPE_MANGLING, WV))
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#define NOMINAL_TYPE_DESCR_SYM(Ty) \
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MANGLE_SYM(MANGLING_CONCAT2(Ty, Mn))
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#define STRUCT_TYPE_DESCR_SYM(Ty) \
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MANGLE_SYM(MANGLING_CONCAT3(Ty, V, Mn))
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#define PROTOCOL_DESCR_SYM(Ty) \
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MANGLE_SYM(MANGLING_CONCAT2(Ty, Mp))
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#define OBJC_PARTIAL_APPLY_THUNK_SYM \
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MANGLE_SYM(OBJC_PARTIAL_APPLY_THUNK_MANGLING)
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#endif // SWIFT_BASIC_MANGLING_MACROS_H
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