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96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
//===- llvm-cov.cpp - LLVM coverage tool ----------------------------------===//
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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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// llvm-cov is a command line tools to analyze and report coverage information.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/StringRef.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/InitLLVM.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/Process.h"
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#include "llvm/Support/raw_ostream.h"
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#include <string>
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using namespace llvm;
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/// The main entry point for the 'show' subcommand.
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int showMain(int argc, const char *argv[]);
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/// The main entry point for the 'report' subcommand.
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int reportMain(int argc, const char *argv[]);
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/// The main entry point for the 'export' subcommand.
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int exportMain(int argc, const char *argv[]);
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/// The main entry point for the 'convert-for-testing' subcommand.
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int convertForTestingMain(int argc, const char *argv[]);
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/// The main entry point for the gcov compatible coverage tool.
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int gcovMain(int argc, const char *argv[]);
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/// Top level help.
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static int helpMain(int argc, const char *argv[]) {
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errs() << "Usage: llvm-cov {export|gcov|report|show} [OPTION]...\n\n"
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<< "Shows code coverage information.\n\n"
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<< "Subcommands:\n"
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<< " export: Export instrprof file to structured format.\n"
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<< " gcov: Work with the gcov format.\n"
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<< " report: Summarize instrprof style coverage information.\n"
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<< " show: Annotate source files using instrprof style coverage.\n";
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return 0;
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}
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/// Top level version information.
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static int versionMain(int argc, const char *argv[]) {
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cl::PrintVersionMessage();
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return 0;
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}
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int main(int argc, const char **argv) {
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InitLLVM X(argc, argv);
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// If argv[0] is or ends with 'gcov', always be gcov compatible
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if (sys::path::stem(argv[0]).endswith_lower("gcov"))
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return gcovMain(argc, argv);
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// Check if we are invoking a specific tool command.
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if (argc > 1) {
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typedef int (*MainFunction)(int, const char *[]);
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MainFunction Func = StringSwitch<MainFunction>(argv[1])
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.Case("convert-for-testing", convertForTestingMain)
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.Case("export", exportMain)
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.Case("gcov", gcovMain)
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.Case("report", reportMain)
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.Case("show", showMain)
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.Cases("-h", "-help", "--help", helpMain)
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.Cases("-version", "--version", versionMain)
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.Default(nullptr);
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if (Func) {
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std::string Invocation = std::string(argv[0]) + " " + argv[1];
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argv[1] = Invocation.c_str();
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return Func(argc - 1, argv + 1);
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}
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}
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if (argc > 1) {
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if (sys::Process::StandardErrHasColors())
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errs().changeColor(raw_ostream::RED);
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errs() << "Unrecognized command: " << argv[1] << ".\n\n";
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if (sys::Process::StandardErrHasColors())
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errs().resetColor();
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}
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helpMain(argc, argv);
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return 1;
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}
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