| 1 | //===- llvm-xray.cpp: XRay Tool Main Program ------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This file implements the main entry point for the suite of XRay tools. All |
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| 10 | // additional functionality are implemented as subcommands. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | // |
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| 14 | // Basic usage: |
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| 15 | // |
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| 16 | // llvm-xray [options] <subcommand> [subcommand-specific options] |
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| 17 | // |
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| 18 | #include "xray-registry.h" |
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| 19 | #include "llvm/Support/CommandLine.h" |
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| 20 | #include "llvm/Support/raw_ostream.h" |
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| 21 | |
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| 22 | using namespace llvm; |
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| 23 | using namespace llvm::xray; |
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| 24 | |
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| 25 | int main(int argc, char *argv[]) { |
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| 26 | cl::ParseCommandLineOptions(argc, argv, |
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| 27 | Overview: "XRay Tools\n\n" |
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| 28 | " This program consolidates multiple XRay trace " |
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| 29 | "processing tools for convenient access.\n" ); |
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| 30 | for (auto *SC : cl::getRegisteredSubcommands()) { |
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| 31 | if (*SC) { |
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| 32 | // If no subcommand was provided, we need to explicitly check if this is |
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| 33 | // the top-level subcommand. |
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| 34 | if (SC == &cl::SubCommand::getTopLevel()) { |
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| 35 | cl::PrintHelpMessage(Hidden: false, Categorized: true); |
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| 36 | return 0; |
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| 37 | } |
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| 38 | if (auto C = dispatch(SC)) { |
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| 39 | ExitOnError("llvm-xray: " )(C()); |
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| 40 | return 0; |
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| 41 | } |
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| 42 | } |
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| 43 | } |
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| 44 | |
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| 45 | // If all else fails, we still print the usage message. |
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| 46 | cl::PrintHelpMessage(Hidden: false, Categorized: true); |
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| 47 | return 0; |
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| 48 | } |
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| 49 | |
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