mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 16:33:37 +01:00
c513ce52e6
Implemented by making lib/CompilerDriver a shared library that holds all the global static data (CommandLine options, plugin registry) that we unfortunately have to live with. llvm-svn: 74417
133 lines
3.3 KiB
C++
133 lines
3.3 KiB
C++
//===--- Main.inc - 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_INCLUDE_COMPILER_DRIVER_MAIN_INC
|
|
#define LLVM_INCLUDE_COMPILER_DRIVER_MAIN_INC
|
|
|
|
#include "llvm/CompilerDriver/BuiltinOptions.h"
|
|
#include "llvm/CompilerDriver/CompilationGraph.h"
|
|
#include "llvm/CompilerDriver/Error.h"
|
|
#include "llvm/CompilerDriver/ForceLinkage.h"
|
|
#include "llvm/CompilerDriver/Plugin.h"
|
|
|
|
#include "llvm/System/Path.h"
|
|
|
|
#include <iostream>
|
|
#include <stdexcept>
|
|
#include <string>
|
|
|
|
namespace cl = llvm::cl;
|
|
namespace sys = llvm::sys;
|
|
using namespace llvmc;
|
|
|
|
namespace {
|
|
|
|
sys::Path getTempDir() {
|
|
sys::Path tempDir;
|
|
|
|
// GCC 4.5-style -save-temps handling.
|
|
if (SaveTemps == SaveTempsEnum::Unset) {
|
|
tempDir = sys::Path::GetTemporaryDirectory();
|
|
}
|
|
else if (SaveTemps == SaveTempsEnum::Obj && !OutputFilename.empty()) {
|
|
tempDir = OutputFilename;
|
|
|
|
if (!tempDir.exists()) {
|
|
std::string ErrMsg;
|
|
if (tempDir.createDirectoryOnDisk(true, &ErrMsg))
|
|
throw std::runtime_error(ErrMsg);
|
|
}
|
|
}
|
|
// else if (SaveTemps == Cwd) -> use current dir (leave tempDir empty)
|
|
|
|
return tempDir;
|
|
}
|
|
|
|
/// BuildTargets - A small wrapper for CompilationGraph::Build.
|
|
int BuildTargets(CompilationGraph& graph, const LanguageMap& langMap) {
|
|
int ret;
|
|
const sys::Path& tempDir = getTempDir();
|
|
|
|
try {
|
|
ret = graph.Build(tempDir, langMap);
|
|
}
|
|
catch(...) {
|
|
if (SaveTemps == SaveTempsEnum::Unset)
|
|
tempDir.eraseFromDisk(true);
|
|
throw;
|
|
}
|
|
|
|
if (SaveTemps == SaveTempsEnum::Unset)
|
|
tempDir.eraseFromDisk(true);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
int main(int argc, char** argv) {
|
|
try {
|
|
ForceLinkage();
|
|
|
|
LanguageMap langMap;
|
|
CompilationGraph graph;
|
|
|
|
cl::ParseCommandLineOptions
|
|
(argc, argv, "LLVM Compiler Driver (Work In Progress)", true);
|
|
|
|
PluginLoader Plugins;
|
|
Plugins.PopulateLanguageMap(langMap);
|
|
Plugins.PopulateCompilationGraph(graph);
|
|
|
|
if (CheckGraph) {
|
|
int ret = graph.Check();
|
|
if (!ret)
|
|
std::cerr << "check-graph: no errors found.\n";
|
|
|
|
return ret;
|
|
}
|
|
|
|
if (ViewGraph) {
|
|
graph.viewGraph();
|
|
if (!WriteGraph)
|
|
return 0;
|
|
}
|
|
|
|
if (WriteGraph) {
|
|
graph.writeGraph(OutputFilename.empty()
|
|
? std::string("compilation-graph.dot")
|
|
: OutputFilename);
|
|
return 0;
|
|
}
|
|
|
|
if (InputFilenames.empty()) {
|
|
throw std::runtime_error("no input files");
|
|
}
|
|
|
|
return BuildTargets(graph, langMap);
|
|
}
|
|
catch(llvmc::error_code& ec) {
|
|
return ec.code();
|
|
}
|
|
catch(const std::exception& ex) {
|
|
std::cerr << argv[0] << ": " << ex.what() << '\n';
|
|
}
|
|
catch(...) {
|
|
std::cerr << argv[0] << ": unknown error!\n";
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
#endif // LLVM_INCLUDE_COMPILER_DRIVER_MAIN_INC
|