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//===- llvm-cov.cpp - LLVM coverage tool ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// llvm-cov is a command line tools to analyze and report coverage information.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/Path.h"
#include <string>
using namespace llvm;
/// \brief The main entry point for the 'show' subcommand.
int show_main(int argc, const char **argv);
/// \brief The main entry point for the 'report' subcommand.
int report_main(int argc, const char **argv);
/// \brief The main entry point for the 'convert-for-testing' subcommand.
int convert_for_testing_main(int argc, const char **argv);
/// \brief The main entry point for the gcov compatible coverage tool.
int gcov_main(int argc, const char **argv);
int main(int argc, const char **argv) {
// If argv[0] is or ends with 'gcov', always be gcov compatible
if (sys::path::stem(argv[0]).endswith_lower("gcov"))
return gcov_main(argc, argv);
// Check if we are invoking a specific tool command.
if (argc > 1) {
int (*func)(int, const char **) = nullptr;
StringRef command = argv[1];
if (command.equals_lower("show"))
func = show_main;
else if (command.equals_lower("report"))
func = report_main;
else if (command.equals_lower("convert-for-testing"))
func = convert_for_testing_main;
else if (command.equals_lower("gcov"))
func = gcov_main;
if (func) {
std::string Invocation = std::string(argv[0]) + " " + argv[1];
argv[1] = Invocation.c_str();
return func(argc - 1, argv + 1);
}
}
// Give a warning and fall back to gcov
errs().changeColor(raw_ostream::RED);
errs() << "warning:";
// Assume that argv[1] wasn't a command when it stats with a '-' or is a
// filename (i.e. contains a '.')
if (argc > 1 && !StringRef(argv[1]).startswith("-") &&
StringRef(argv[1]).find(".") == StringRef::npos)
errs() << " Unrecognized command '" << argv[1] << "'.";
errs() << " Using the gcov compatible mode "
"(this behaviour may be dropped in the future).";
errs().resetColor();
errs() << "\n";
return gcov_main(argc, argv);
}
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