49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
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//===- llvm-xray.cpp: XRay Tool Main Program ------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the main entry point for the suite of XRay tools. All
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// additional functionality are implemented as subcommands.
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//
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//===----------------------------------------------------------------------===//
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//
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// Basic usage:
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//
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// llvm-xray [options] <subcommand> [subcommand-specific options]
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//
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#include "xray-registry.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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using namespace llvm::xray;
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int main(int argc, char *argv[]) {
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cl::ParseCommandLineOptions(argc, argv,
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"XRay Tools\n\n"
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" This program consolidates multiple XRay trace "
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"processing tools for convenient access.\n");
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for (auto *SC : cl::getRegisteredSubcommands()) {
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if (*SC) {
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// If no subcommand was provided, we need to explicitly check if this is
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// the top-level subcommand.
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if (SC == &*cl::TopLevelSubCommand) {
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cl::PrintHelpMessage(false, true);
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return 0;
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}
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if (auto C = dispatch(SC)) {
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ExitOnError("llvm-xray: ")(C());
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return 0;
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}
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}
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}
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// If all else fails, we still print the usage message.
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cl::PrintHelpMessage(false, true);
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return 0;
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}
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