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//===-- InitLLVM.cpp -----------------------------------------------------===//
// The LLVM Compiler Infrastructure
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
#include "llvm/Support/InitLLVM.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Signals.h"
#include <string>
#ifdef _WIN32
#include "Windows/WindowsSupport.h"
using namespace llvm;
using namespace llvm::sys;
InitLLVM::InitLLVM(int &Argc, const char **&Argv) : StackPrinter(Argc, Argv) {
#ifdef _WIN32
// We use UTF-8 as the internal character encoding. On Windows,
// arguments passed to main() may not be encoded in UTF-8. In order
// to reliably detect encoding of command line arguments, we use an
// Windows API to obtain arguments, convert them to UTF-8, and then
// write them back to the Argv vector.
// There's probably other way to do the same thing (e.g. using
// wmain() instead of main()), but this way seems less intrusive
// than that.
std::string Banner = std::string(Argv[0]) + ": ";
ExitOnError ExitOnErr(Banner);
ExitOnErr(errorCodeToError(windows::GetCommandLineArguments(Args, Alloc)));
// GetCommandLineArguments doesn't terminate the vector with a
// nullptr. Do it to make it compatible with the real argv.
Argc = Args.size() - 1;
Argv =;
InitLLVM::~InitLLVM() { llvm_shutdown(); }