llvm-6502/tools/llvmc2/llvmcc.cpp

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//===--- llvmcc.cpp - The LLVM Compiler Driver ------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open
// Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This tool provides a single point of access to the LLVM
// compilation tools. It has many options. To discover the options
// supported please refer to the tools' manual page or run the tool
// with the --help option.
//
//===----------------------------------------------------------------------===//
#include "Core.h"
#include "Utility.h"
#include "Tools.h"
#include "llvm/System/Path.h"
#include "llvm/Support/CommandLine.h"
#include <iostream>
#include <stdexcept>
#include <string>
using namespace llvm;
using namespace llvmcc;
// These variables are also used in Core.cpp,
// so they should have external linkage.
cl::list<std::string> InputFilenames(cl::Positional,
cl::desc("<input file>"), cl::OneOrMore);
cl::opt<std::string> OutputFilename("o", cl::desc("Output file name"),
cl::value_desc("file"));
cl::opt<bool> VerboseMode("v", cl::desc("Enable verbose mode"));
namespace {
int BuildTargets(const CompilationGraph& graph) {
int ret;
sys::Path tempDir(sys::Path::GetTemporaryDirectory());
try {
ret = graph.Build(tempDir);
}
catch(...) {
tempDir.eraseFromDisk(true);
throw;
}
tempDir.eraseFromDisk(true);
return ret;
}
}
int main(int argc, char** argv) {
try {
CompilationGraph graph;
cl::ParseCommandLineOptions(argc, argv,
"LLVM Compiler Driver(Work In Progress)");
PopulateCompilationGraph(graph);
return BuildTargets(graph);
}
catch(const std::exception& ex) {
std::cerr << ex.what() << '\n';
}
catch(...) {
std::cerr << "Unknown error!\n";
}
}