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	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216344 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			74 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//===- llvm-cov.cpp - LLVM coverage tool ----------------------------------===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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/Support/raw_ostream.h"
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#include "llvm/Support/Path.h"
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#include <string>
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using namespace llvm;
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/// \brief The main entry point for the 'show' subcommand.
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int show_main(int argc, const char **argv);
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/// \brief The main entry point for the 'report' subcommand.
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int report_main(int argc, const char **argv);
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/// \brief The main entry point for the 'convert-for-testing' subcommand.
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int convert_for_testing_main(int argc, const char **argv);
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/// \brief The main entry point for the gcov compatible coverage tool.
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int gcov_main(int argc, const char **argv);
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int main(int argc, const char **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 gcov_main(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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    int (*func)(int, const char **) = nullptr;
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    StringRef command = argv[1];
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    if (command.equals_lower("show"))
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      func = show_main;
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    else if (command.equals_lower("report"))
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      func = report_main;
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    else if (command.equals_lower("convert-for-testing"))
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      func = convert_for_testing_main;
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    else if (command.equals_lower("gcov"))
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      func = gcov_main;
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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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  // Give a warning and fall back to gcov
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  errs().changeColor(raw_ostream::RED);
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  errs() << "warning:";
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  // Assume that argv[1] wasn't a command when it stats with a '-' or is a
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  // filename (i.e. contains a '.')
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  if (argc > 1 && !StringRef(argv[1]).startswith("-") &&
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      StringRef(argv[1]).find(".") == StringRef::npos)
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    errs() << " Unrecognized command '" << argv[1] << "'.";
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  errs() << " Using the gcov compatible mode "
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            "(this behaviour may be dropped in the future).";
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  errs().resetColor();
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  errs() << "\n";
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  return gcov_main(argc, argv);
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}
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