// supported please refer to the tools' manual page or run the tool
// with the --help option.
//
+// This file provides the default entry point for the driver executable.
+//
//===----------------------------------------------------------------------===//
#ifndef LLVM_INCLUDE_COMPILER_DRIVER_MAIN_INC
#define LLVM_INCLUDE_COMPILER_DRIVER_MAIN_INC
-#include "llvm/CompilerDriver/CompilationGraph.h"
-#include "llvm/CompilerDriver/Error.h"
-#include "llvm/CompilerDriver/Plugin.h"
-
-#include "llvm/System/Path.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/PluginLoader.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::Prefix);
-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> CheckGraph("check-graph",
- cl::desc("Check the compilation graph for errors"),
- cl::Hidden);
-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);
-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, const LanguageMap& langMap) {
- int ret;
- const sys::Path& tempDir = SaveTemps
- ? sys::Path("")
- : sys::Path(sys::Path::GetTemporaryDirectory());
-
- try {
- ret = graph.Build(tempDir, langMap);
- }
- catch(...) {
- tempDir.eraseFromDisk(true);
- throw;
- }
+#include "llvm/CompilerDriver/ForceLinkage.h"
- if (!SaveTemps)
- tempDir.eraseFromDisk(true);
- return ret;
- }
+namespace llvmc {
+ int Main(int argc, char** argv);
}
int main(int argc, char** argv) {
- try {
- 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;
+ llvmc::ForceLinkage();
+ return llvmc::Main(argc, argv);
}
#endif // LLVM_INCLUDE_COMPILER_DRIVER_MAIN_INC