| //===--- llvmc.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 "CompilationGraph.h" |
| #include "Error.h" |
| #include "Tool.h" |
| |
| #include "llvm/System/Path.h" |
| #include "llvm/Support/CommandLine.h" |
| |
| #include <iostream> |
| #include <stdexcept> |
| #include <string> |
| |
| namespace cl = llvm::cl; |
| namespace sys = llvm::sys; |
| using namespace llvmc; |
| |
| // Built-in command-line options. |
| // External linkage here is intentional. |
| |
| cl::list<std::string> InputFilenames(cl::Positional, cl::desc("<input file>"), |
| cl::ZeroOrMore); |
| cl::opt<std::string> OutputFilename("o", cl::desc("Output file name"), |
| cl::value_desc("file")); |
| cl::list<std::string> Languages("x", |
| cl::desc("Specify the language of the following input files"), |
| cl::ZeroOrMore); |
| cl::opt<bool> VerboseMode("v", |
| cl::desc("Enable verbose mode")); |
| cl::opt<bool> WriteGraph("write-graph", |
| cl::desc("Write compilation-graph.dot file"), |
| cl::Hidden); |
| cl::opt<bool> ViewGraph("view-graph", |
| cl::desc("Show compilation graph in GhostView"), |
| cl::Hidden); |
| |
| namespace { |
| /// BuildTargets - A small wrapper for CompilationGraph::Build. |
| int BuildTargets(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); |
| |
| if (WriteGraph) { |
| graph.writeGraph(); |
| if (!ViewGraph) |
| return 0; |
| } |
| |
| if (ViewGraph) { |
| graph.viewGraph(); |
| return 0; |
| } |
| |
| if (InputFilenames.empty()) { |
| std::cerr << "No input files.\n"; |
| return 1; |
| } |
| |
| return BuildTargets(graph); |
| } |
| catch(llvmc::error_code& ec) { |
| return ec.code(); |
| } |
| catch(const std::exception& ex) { |
| std::cerr << ex.what() << '\n'; |
| } |
| catch(...) { |
| std::cerr << "Unknown error!\n"; |
| } |
| return 1; |
| } |