| //===--- SwiftDemangle.cpp - Public demangling interface ------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Functions in the libswiftDemangle library, which provides external |
| // access to Swift's demangler. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "swift/Basic/DemangleWrappers.h" |
| #include "swift/Basic/ManglingMacros.h" |
| #include "swift/SwiftDemangle/SwiftDemangle.h" |
| |
| /// \returns true if \p MangledName starts with Swift prefix, "_T". |
| static bool isSwiftPrefixed(const char *MangledName) { |
| return MangledName[0] == '_' && |
| (MangledName[1] == 'T' || MangledName[1] == MANGLING_PREFIX_STR[1]); |
| } |
| |
| static size_t swift_demangle_getDemangledName_Options(const char *MangledName, |
| char *OutputBuffer, size_t Length, |
| swift::Demangle::DemangleOptions DemangleOptions) { |
| assert(MangledName != nullptr && "null input"); |
| assert(OutputBuffer != nullptr || Length == 0); |
| |
| if (!isSwiftPrefixed(MangledName)) |
| return 0; // Not a mangled name |
| |
| std::string Result = swift::demangle_wrappers::demangleSymbolAsString( |
| MangledName, DemangleOptions); |
| |
| if (Result == MangledName) |
| return 0; // Not a mangled name |
| |
| // Copy the result to an output buffer. |
| return strlcpy(OutputBuffer, Result.c_str(), Length); |
| } |
| |
| size_t swift_demangle_getDemangledName(const char *MangledName, |
| char *OutputBuffer, |
| size_t Length) { |
| swift::Demangle::DemangleOptions DemangleOptions; |
| DemangleOptions.SynthesizeSugarOnTypes = true; |
| return swift_demangle_getDemangledName_Options(MangledName, OutputBuffer, |
| Length, DemangleOptions); |
| } |
| |
| size_t swift_demangle_getSimplifiedDemangledName(const char *MangledName, |
| char *OutputBuffer, |
| size_t Length) { |
| auto Opts = swift::Demangle::DemangleOptions::SimplifiedUIDemangleOptions(); |
| return swift_demangle_getDemangledName_Options(MangledName, OutputBuffer, |
| Length, Opts); |
| } |
| |
| size_t fnd_get_demangled_name(const char *MangledName, char *OutputBuffer, |
| size_t Length) { |
| return swift_demangle_getDemangledName(MangledName, OutputBuffer, Length); |
| } |
| |