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ec44cfdaf0
This adds a copy of the demangler in libcxxabi.
The code also has no dependencies on anything else in LLVM. To enforce
that I added it as another library. That way a BUILD_SHARED_LIBS will
fail if anyone adds an use of StringRef for example.
The no llvm dependency combined with the fact that this has to build
on linux, OS X and Windows required a few changes to the code. In
particular:
No constexpr.
No alignas
On OS X at least this library has only one global symbol:
__ZN4llvm16itanium_demangleEPKcPcPmPi
My current plan is:
Commit something like this
Change lld to use it
Change lldb to use it as the fallback
Add a few #ifdefs so that exactly the same file can be used in
libcxxabi to export abi::__cxa_demangle.
Once the fast demangler in lldb can handle any names this
implementation can be replaced with it and we will have the one true
demangler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@280732 91177308-0d34-0410-b5e6-96231b3b80d8
30 lines
768 B
C++
30 lines
768 B
C++
//===-- llvm-c++filt.cpp --------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Demangle/Demangle.h"
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#include <stdio.h>
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#include <stdlib.h>
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using namespace llvm;
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int main(int argc, char **argv) {
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for (int I = 1; I < argc; ++I) {
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const char *Mangled = argv[I];
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int Status;
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char *Demangled = itaniumDemangle(Mangled, nullptr, nullptr, &Status);
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if (Demangled)
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printf("%s\n", Demangled);
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else
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printf("%s\n", Mangled);
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free(Demangled);
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}
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return 0;
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}
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