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24ff4ab6df
GetArgumentVector (or GetCommandLineArguments) is very Windows-specific. I think it doesn't make much sense to provide that function from sys::Process. I also made a change so that the function takes a BumpPtrAllocator instead of a SpecificBumpPtrAllocator. The latter is the class to call dtors, but since char * is trivially destructible, we should use the former class. Differential Revision: https://reviews.llvm.org/D45641 llvm-svn: 330216
53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
//===-- InitLLVM.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/Support/InitLLVM.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/PrettyStackTrace.h"
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#include "llvm/Support/Process.h"
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#include "llvm/Support/Signals.h"
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#include <string>
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#ifdef _WIN32
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#include "Windows/WindowsSupport.h"
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#endif
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using namespace llvm;
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using namespace llvm::sys;
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InitLLVM::InitLLVM(int &Argc, const char **&Argv) : StackPrinter(Argc, Argv) {
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sys::PrintStackTraceOnErrorSignal(Argv[0]);
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#ifdef _WIN32
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// We use UTF-8 as the internal character encoding. On Windows,
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// arguments passed to main() may not be encoded in UTF-8. In order
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// to reliably detect encoding of command line arguments, we use an
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// Windows API to obtain arguments, convert them to UTF-8, and then
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// write them back to the Argv vector.
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//
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// There's probably other way to do the same thing (e.g. using
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// wmain() instead of main()), but this way seems less intrusive
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// than that.
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std::string Banner = std::string(Argv[0]) + ": ";
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ExitOnError ExitOnErr(Banner);
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ExitOnErr(errorCodeToError(windows::GetCommandLineArguments(Args, Alloc)));
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// GetCommandLineArguments doesn't terminate the vector with a
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// nullptr. Do it to make it compatible with the real argv.
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Args.push_back(nullptr);
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Argc = Args.size() - 1;
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Argv = Args.data();
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#endif
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}
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InitLLVM::~InitLLVM() { llvm_shutdown(); }
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