-//===--- llvmc.cpp - The LLVM Compiler Driver ------------------*- C++ -*-===//
+//===--- llvmc.cpp - The LLVM Compiler Driver -------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
cl::list<std::string> Languages("x",
cl::desc("Specify the language of the following input files"),
cl::ZeroOrMore);
+cl::opt<bool> DryRun("dry-run",
+ cl::desc("Only pretend to run commands"));
cl::opt<bool> VerboseMode("v",
cl::desc("Enable verbose mode"));
cl::opt<bool> WriteGraph("write-graph",
cl::opt<bool> ViewGraph("view-graph",
cl::desc("Show compilation graph in GhostView"),
cl::Hidden);
+cl::opt<bool> SaveTemps("save-temps",
+ cl::desc("Keep temporary files"),
+ cl::Hidden);
namespace {
/// BuildTargets - A small wrapper for CompilationGraph::Build.
int BuildTargets(CompilationGraph& graph) {
int ret;
- sys::Path tempDir(sys::Path::GetTemporaryDirectory());
+ const sys::Path& tempDir = SaveTemps
+ ? sys::Path("")
+ : sys::Path(sys::Path::GetTemporaryDirectory());
try {
ret = graph.Build(tempDir);
throw;
}
- tempDir.eraseFromDisk(true);
+ if (!SaveTemps)
+ tempDir.eraseFromDisk(true);
return ret;
}
}
}
if (InputFilenames.empty()) {
- std::cerr << "No input files.\n";
- return 1;
+ throw std::runtime_error("no input files");
}
return BuildTargets(graph);
return ec.code();
}
catch(const std::exception& ex) {
- std::cerr << ex.what() << '\n';
+ std::cerr << argv[0] << ": " << ex.what() << '\n';
}
catch(...) {
- std::cerr << "Unknown error!\n";
+ std::cerr << argv[0] << ": unknown error!\n";
}
return 1;
}