1 //===- llvm-cov.cpp - LLVM coverage tool ----------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // llvm-cov is a command line tools to analyze and report coverage information.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/ADT/StringRef.h"
15 #include "llvm/Support/raw_ostream.h"
16 #include "llvm/Support/Path.h"
21 /// \brief The main entry point for the 'show' subcommand.
22 int show_main(int argc, const char **argv);
24 /// \brief The main entry point for the 'report' subcommand.
25 int report_main(int argc, const char **argv);
27 /// \brief The main entry point for the 'convert-for-testing' subcommand.
28 int convert_for_testing_main(int argc, const char **argv);
30 /// \brief The main entry point for the gcov compatible coverage tool.
31 int gcov_main(int argc, const char **argv);
33 int main(int argc, const char **argv) {
34 // If argv[0] is or ends with 'gcov', always be gcov compatible
35 if (sys::path::stem(argv[0]).endswith_lower("gcov"))
36 return gcov_main(argc, argv);
38 // Check if we are invoking a specific tool command.
40 int (*func)(int, const char **) = nullptr;
42 StringRef command = argv[1];
43 if (command.equals_lower("show"))
45 else if (command.equals_lower("report"))
47 else if (command.equals_lower("convert-for-testing"))
48 func = convert_for_testing_main;
49 else if (command.equals_lower("gcov"))
53 std::string Invocation(std::string() + argv[0] + " " + argv[1]);
54 argv[1] = Invocation.c_str();
55 return func(argc - 1, argv + 1);
59 // Give a warning and fall back to gcov
60 errs().changeColor(raw_ostream::RED);
62 // Assume that argv[1] wasn't a command when it stats with a '-' or is a
63 // filename (i.e. contains a '.')
64 if (argc > 1 && !StringRef(argv[1]).startswith("-") &&
65 StringRef(argv[1]).find(".") == StringRef::npos)
66 errs() << " Unrecognized command '" << argv[1] << "'.";
67 errs() << " Using the gcov compatible mode "
68 "(this behaviour may be dropped in the future).";
72 return gcov_main(argc, argv);