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comparison tools/llvm-cov/llvm-cov.cpp @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 60c9769439b8
children 1172e4bd9c6f
comparison
equal deleted inserted replaced
84:f3e34b893a5f 95:afa8332a0e37
11 // 11 //
12 //===----------------------------------------------------------------------===// 12 //===----------------------------------------------------------------------===//
13 13
14 #include "llvm/ADT/StringRef.h" 14 #include "llvm/ADT/StringRef.h"
15 #include "llvm/ADT/StringSwitch.h" 15 #include "llvm/ADT/StringSwitch.h"
16 #include "llvm/Support/CommandLine.h"
16 #include "llvm/Support/Path.h" 17 #include "llvm/Support/Path.h"
18 #include "llvm/Support/Process.h"
17 #include "llvm/Support/raw_ostream.h" 19 #include "llvm/Support/raw_ostream.h"
18 #include <string> 20 #include <string>
19 21
20 using namespace llvm; 22 using namespace llvm;
21 23
30 32
31 /// \brief The main entry point for the gcov compatible coverage tool. 33 /// \brief The main entry point for the gcov compatible coverage tool.
32 int gcovMain(int argc, const char *argv[]); 34 int gcovMain(int argc, const char *argv[]);
33 35
34 /// \brief Top level help. 36 /// \brief Top level help.
35 int helpMain(int argc, const char *argv[]) { 37 static int helpMain(int argc, const char *argv[]) {
36 errs() << "OVERVIEW: LLVM code coverage tool\n\n" 38 errs() << "Usage: llvm-cov {gcov|report|show} [OPTION]...\n\n"
37 << "USAGE: llvm-cov {gcov|report|show}\n"; 39 << "Shows code coverage information.\n\n"
40 << "Subcommands:\n"
41 << " gcov: Work with the gcov format.\n"
42 << " show: Annotate source files using instrprof style coverage.\n"
43 << " report: Summarize instrprof style coverage information.\n";
44 return 0;
45 }
46
47 /// \brief Top level version information.
48 static int versionMain(int argc, const char *argv[]) {
49 cl::PrintVersionMessage();
38 return 0; 50 return 0;
39 } 51 }
40 52
41 int main(int argc, const char **argv) { 53 int main(int argc, const char **argv) {
42 // If argv[0] is or ends with 'gcov', always be gcov compatible 54 // If argv[0] is or ends with 'gcov', always be gcov compatible
50 .Case("convert-for-testing", convertForTestingMain) 62 .Case("convert-for-testing", convertForTestingMain)
51 .Case("gcov", gcovMain) 63 .Case("gcov", gcovMain)
52 .Case("report", reportMain) 64 .Case("report", reportMain)
53 .Case("show", showMain) 65 .Case("show", showMain)
54 .Cases("-h", "-help", "--help", helpMain) 66 .Cases("-h", "-help", "--help", helpMain)
67 .Cases("-version", "--version", versionMain)
55 .Default(nullptr); 68 .Default(nullptr);
56 69
57 if (Func) { 70 if (Func) {
58 std::string Invocation = std::string(argv[0]) + " " + argv[1]; 71 std::string Invocation = std::string(argv[0]) + " " + argv[1];
59 argv[1] = Invocation.c_str(); 72 argv[1] = Invocation.c_str();
60 return Func(argc - 1, argv + 1); 73 return Func(argc - 1, argv + 1);
61 } 74 }
62 } 75 }
63 76
64 // Give a warning and fall back to gcov 77 if (argc > 1) {
65 errs().changeColor(raw_ostream::RED); 78 if (sys::Process::StandardErrHasColors())
66 errs() << "warning:"; 79 errs().changeColor(raw_ostream::RED);
67 // Assume that argv[1] wasn't a command when it stats with a '-' or is a 80 errs() << "Unrecognized command: " << argv[1] << ".\n\n";
68 // filename (i.e. contains a '.') 81 if (sys::Process::StandardErrHasColors())
69 if (argc > 1 && !StringRef(argv[1]).startswith("-") && 82 errs().resetColor();
70 StringRef(argv[1]).find(".") == StringRef::npos) 83 }
71 errs() << " Unrecognized command '" << argv[1] << "'."; 84 helpMain(argc, argv);
72 errs() << " Using the gcov compatible mode " 85 return 1;
73 "(this behaviour may be dropped in the future).";
74 errs().resetColor();
75 errs() << "\n";
76
77 return gcovMain(argc, argv);
78 } 86 }