Rafael Espindola | b940b66 | 2016-09-06 19:16:48 +0000 | [diff] [blame] | 1 | //===-- llvm-c++filt.cpp --------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "llvm/Demangle/Demangle.h" |
Saleem Abdulrasool | a63fd04 | 2017-01-20 04:25:26 +0000 | [diff] [blame] | 11 | #include "llvm/Support/CommandLine.h" |
Saleem Abdulrasool | d3cbf26 | 2017-01-20 05:33:22 +0000 | [diff] [blame] | 12 | #include "llvm/Support/PrettyStackTrace.h" |
| 13 | #include "llvm/Support/Signals.h" |
Davide Italiano | c37eb11 | 2016-09-27 18:50:30 +0000 | [diff] [blame] | 14 | #include "llvm/Support/raw_ostream.h" |
Saleem Abdulrasool | 7091820 | 2016-11-13 20:43:38 +0000 | [diff] [blame] | 15 | #include <cstdlib> |
| 16 | #include <iostream> |
Rafael Espindola | b940b66 | 2016-09-06 19:16:48 +0000 | [diff] [blame] | 17 | |
| 18 | using namespace llvm; |
| 19 | |
Saleem Abdulrasool | 4c33f7f | 2017-01-21 02:36:26 +0000 | [diff] [blame] | 20 | enum Style { |
| 21 | Auto, ///< auto-detect mangling |
| 22 | GNU, ///< GNU |
| 23 | Lucid, ///< Lucid compiler (lcc) |
| 24 | ARM, |
| 25 | HP, ///< HP compiler (xCC) |
| 26 | EDG, ///< EDG compiler |
| 27 | GNUv3, ///< GNU C++ v3 ABI |
| 28 | Java, ///< Java (gcj) |
| 29 | GNAT ///< ADA copiler (gnat) |
| 30 | }; |
| 31 | static cl::opt<Style> |
| 32 | Format("format", cl::desc("decoration style"), |
| 33 | cl::values(clEnumValN(Auto, "auto", "auto-detect style"), |
| 34 | clEnumValN(GNU, "gnu", "GNU (itanium) style")), |
| 35 | cl::init(Auto)); |
| 36 | static cl::alias FormatShort("s", cl::desc("alias for --format"), |
| 37 | cl::aliasopt(Format)); |
| 38 | |
Saleem Abdulrasool | a63fd04 | 2017-01-20 04:25:26 +0000 | [diff] [blame] | 39 | static cl::opt<bool> |
| 40 | Types("types", |
| 41 | cl::desc("attempt to demangle types as well as function names"), |
| 42 | cl::init(false)); |
| 43 | static cl::alias TypesShort("t", cl::desc("alias for --types"), |
| 44 | cl::aliasopt(Types)); |
| 45 | |
| 46 | static cl::list<std::string> |
| 47 | Decorated(cl::Positional, cl::desc("<mangled>"), cl::ZeroOrMore); |
| 48 | |
Saleem Abdulrasool | c8bcda2 | 2017-01-19 02:58:46 +0000 | [diff] [blame] | 49 | static void demangle(llvm::raw_ostream &OS, const std::string &Mangled) { |
Saleem Abdulrasool | 7091820 | 2016-11-13 20:43:38 +0000 | [diff] [blame] | 50 | int Status; |
Saleem Abdulrasool | c8bcda2 | 2017-01-19 02:58:46 +0000 | [diff] [blame] | 51 | char *Demangled = nullptr; |
Saleem Abdulrasool | a63fd04 | 2017-01-20 04:25:26 +0000 | [diff] [blame] | 52 | if (Types || ((Mangled.size() >= 2 && Mangled.compare(0, 2, "_Z")) || |
| 53 | (Mangled.size() >= 4 && Mangled.compare(0, 4, "___Z")))) |
Saleem Abdulrasool | c8bcda2 | 2017-01-19 02:58:46 +0000 | [diff] [blame] | 54 | Demangled = itaniumDemangle(Mangled.c_str(), nullptr, nullptr, &Status); |
Saleem Abdulrasool | 7091820 | 2016-11-13 20:43:38 +0000 | [diff] [blame] | 55 | OS << (Demangled ? Demangled : Mangled) << '\n'; |
| 56 | free(Demangled); |
| 57 | } |
| 58 | |
Rafael Espindola | b940b66 | 2016-09-06 19:16:48 +0000 | [diff] [blame] | 59 | int main(int argc, char **argv) { |
Saleem Abdulrasool | f1790c2 | 2017-01-20 05:27:09 +0000 | [diff] [blame] | 60 | sys::PrintStackTraceOnErrorSignal(argv[0]); |
| 61 | PrettyStackTraceProgram X(argc, argv); |
| 62 | |
| 63 | cl::ParseCommandLineOptions(argc, argv, "llvm symbol undecoration tool\n"); |
Saleem Abdulrasool | a63fd04 | 2017-01-20 04:25:26 +0000 | [diff] [blame] | 64 | |
| 65 | if (Decorated.empty()) |
Saleem Abdulrasool | 7091820 | 2016-11-13 20:43:38 +0000 | [diff] [blame] | 66 | for (std::string Mangled; std::getline(std::cin, Mangled);) |
Saleem Abdulrasool | c8bcda2 | 2017-01-19 02:58:46 +0000 | [diff] [blame] | 67 | demangle(llvm::outs(), Mangled); |
Saleem Abdulrasool | 7091820 | 2016-11-13 20:43:38 +0000 | [diff] [blame] | 68 | else |
Saleem Abdulrasool | a63fd04 | 2017-01-20 04:25:26 +0000 | [diff] [blame] | 69 | for (const auto &Symbol : Decorated) |
| 70 | demangle(llvm::outs(), Symbol); |
Saleem Abdulrasool | 7091820 | 2016-11-13 20:43:38 +0000 | [diff] [blame] | 71 | |
| 72 | return EXIT_SUCCESS; |
Rafael Espindola | b940b66 | 2016-09-06 19:16:48 +0000 | [diff] [blame] | 73 | } |