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b9c87184ea
clients to use the Swift demangler without depending on compiler internals. Swift SVN r14776
47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
//===-- FunctionNameDemangle.cpp - Public demangling interface-------------===//
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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 - 2015 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 http://swift.org/LICENSE.txt for license information
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// See http://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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// Functions in the libfunctionNameDemangle library, which provides external
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// access to Swift's internal demangling functionality.
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//
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//===----------------------------------------------------------------------===//
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#include <swift/Basic/Demangle.h>
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#include <swift/FunctionNameDemangle/FunctionNameDemangle.h>
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/// \returns true if \p MangledName starts with Swift prefix, "_T".
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static bool isSwiftPrefixed(const char *MangledName) {
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return (MangledName[0] == '_' && MangledName[1] == 'T');
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}
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size_t fnd_get_demangled_name(const char *MangledName, char *OutputBuffer,
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size_t Length) {
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assert(MangledName != nullptr && "null input");
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assert(OutputBuffer != nullptr || Length == 0);
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if (!isSwiftPrefixed(MangledName))
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return 0; // Not a mangled name
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swift::Demangle::DemangleOptions DemangleOptions;
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DemangleOptions.SynthesizeSugarOnTypes = true;
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std::string Result =
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swift::Demangle::demangleSymbolAsString(MangledName, DemangleOptions);
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if (Result == MangledName)
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return 0; // Not a mangled name
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// Copy the result to an output buffer.
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return strlcpy(OutputBuffer, Result.c_str(), Length);
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}
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