| //===- llvm-xray.cpp: XRay Tool Main Program ------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements the main entry point for the suite of XRay tools. All |
| // additional functionality are implemented as subcommands. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Basic usage: |
| // |
| // llvm-xray [options] <subcommand> [subcommand-specific options] |
| // |
| #include "xray-registry.h" |
| #include "llvm/Support/CommandLine.h" |
| #include "llvm/Support/raw_ostream.h" |
| |
| using namespace llvm; |
| using namespace llvm::xray; |
| |
| int main(int argc, char *argv[]) { |
| cl::ParseCommandLineOptions(argc, argv, |
| "XRay Tools\n\n" |
| " This program consolidates multiple XRay trace " |
| "processing tools for convenient access.\n"); |
| for (auto *SC : cl::getRegisteredSubcommands()) { |
| if (*SC) { |
| // If no subcommand was provided, we need to explicitly check if this is |
| // the top-level subcommand. |
| if (SC == &*cl::TopLevelSubCommand) { |
| cl::PrintHelpMessage(false, true); |
| return 0; |
| } |
| if (auto C = dispatch(SC)) { |
| ExitOnError("llvm-xray: ")(C()); |
| return 0; |
| } |
| } |
| } |
| |
| // If all else fails, we still print the usage message. |
| cl::PrintHelpMessage(false, true); |
| return 0; |
| } |
