295 lines
10 KiB
C++
295 lines
10 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2012 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "cppcheckexecutor.h"
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#include "cppcheck.h"
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#include "threadexecutor.h"
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#include "preprocessor.h"
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#include "errorlogger.h"
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#include <iostream>
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#include <sstream>
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#include <cstdlib> // EXIT_SUCCESS and EXIT_FAILURE
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#include <cstring>
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#include <algorithm>
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#include <climits>
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#include "cmdlineparser.h"
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#include "filelister.h"
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#include "path.h"
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#include "pathmatch.h"
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CppCheckExecutor::CppCheckExecutor()
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: _settings(0), time1(0), errorlist(false)
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{
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}
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CppCheckExecutor::~CppCheckExecutor()
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{
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}
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bool CppCheckExecutor::parseFromArgs(CppCheck *cppcheck, int argc, const char* const argv[])
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{
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Settings& settings = cppcheck->settings();
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CmdLineParser parser(&settings);
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bool success = parser.ParseFromArgs(argc, argv);
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if (success) {
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if (parser.GetShowVersion() && !parser.GetShowErrorMessages()) {
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const char * extraVersion = cppcheck->extraVersion();
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if (*extraVersion != 0)
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std::cout << "Cppcheck " << cppcheck->version() << " ("
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<< extraVersion << ')' << std::endl;
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else
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std::cout << "Cppcheck " << cppcheck->version() << std::endl;
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}
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if (parser.GetShowErrorMessages()) {
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errorlist = true;
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std::cout << ErrorLogger::ErrorMessage::getXMLHeader(settings._xml_version);
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cppcheck->getErrorMessages();
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std::cout << ErrorLogger::ErrorMessage::getXMLFooter(settings._xml_version) << std::endl;
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}
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if (parser.ExitAfterPrinting())
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std::exit(EXIT_SUCCESS);
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} else {
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std::exit(EXIT_FAILURE);
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}
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// Check that all include paths exist
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{
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std::list<std::string>::iterator iter;
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for (iter = settings._includePaths.begin();
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iter != settings._includePaths.end();
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) {
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const std::string path(Path::toNativeSeparators(*iter));
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if (FileLister::isDirectory(path))
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++iter;
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else {
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// If the include path is not found, warn user and remove the
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// non-existing path from the list.
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std::cout << "cppcheck: warning: Couldn't find path given by -I '" << path << '\'' << std::endl;
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iter = settings._includePaths.erase(iter);
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}
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}
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}
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const std::vector<std::string>& pathnames = parser.GetPathNames();
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if (!pathnames.empty()) {
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// Execute recursiveAddFiles() to each given file parameter
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std::vector<std::string>::const_iterator iter;
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for (iter = pathnames.begin(); iter != pathnames.end(); ++iter)
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FileLister::recursiveAddFiles(_files, Path::toNativeSeparators(*iter));
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}
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if (!_files.empty()) {
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// Remove header files from the list of ignored files.
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// Also output a warning for the user.
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// TODO: Remove all unknown files? (use FileLister::acceptFile())
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bool warn = false;
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std::vector<std::string> ignored = parser.GetIgnoredPaths();
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for (std::vector<std::string>::iterator i = ignored.begin(); i != ignored.end();) {
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const std::string extension = Path::getFilenameExtension(*i);
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if (extension == ".h" || extension == ".hpp") {
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i = ignored.erase(i);
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warn = true;
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} else
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++i;
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}
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if (warn) {
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std::cout << "cppcheck: filename exclusion does not apply to header (.h and .hpp) files." << std::endl;
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std::cout << "cppcheck: Please use --suppress for ignoring results from the header files." << std::endl;
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}
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#if defined(_WIN32)
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// For Windows we want case-insensitive path matching
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const bool caseSensitive = false;
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#else
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const bool caseSensitive = true;
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#endif
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PathMatch matcher(parser.GetIgnoredPaths(), caseSensitive);
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for (std::map<std::string, size_t>::iterator i = _files.begin(); i != _files.end();) {
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if (matcher.Match(i->first))
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_files.erase(i++);
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else
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++i;
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}
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} else {
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std::cout << "cppcheck: error: could not find or open any of the paths given." << std::endl;
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return false;
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}
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if (!_files.empty()) {
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return true;
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} else {
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std::cout << "cppcheck: error: no files to check - all paths ignored." << std::endl;
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return false;
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}
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}
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int CppCheckExecutor::check(int argc, const char* const argv[])
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{
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Preprocessor::missingIncludeFlag = false;
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CppCheck cppCheck(*this, true);
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Settings& settings = cppCheck.settings();
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_settings = &settings;
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if (!parseFromArgs(&cppCheck, argc, argv)) {
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return EXIT_FAILURE;
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}
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if (settings.reportProgress)
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time1 = std::time(0);
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if (settings._xml) {
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reportErr(ErrorLogger::ErrorMessage::getXMLHeader(settings._xml_version));
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}
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unsigned int returnValue = 0;
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if (settings._jobs == 1) {
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// Single process
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size_t totalfilesize = 0;
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for (std::map<std::string, size_t>::const_iterator i = _files.begin(); i != _files.end(); ++i) {
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totalfilesize += i->second;
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}
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size_t processedsize = 0;
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unsigned int c = 0;
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for (std::map<std::string, size_t>::const_iterator i = _files.begin(); i != _files.end(); ++i) {
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returnValue += cppCheck.check(i->first);
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processedsize += i->second;
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if (!settings._errorsOnly)
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reportStatus(c + 1, _files.size(), processedsize, totalfilesize);
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c++;
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}
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cppCheck.checkFunctionUsage();
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} else if (!ThreadExecutor::isEnabled()) {
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std::cout << "No thread support yet implemented for this platform." << std::endl;
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} else {
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// Multiple processes
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ThreadExecutor executor(_files, settings, *this);
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returnValue = executor.check();
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}
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if (!settings.checkConfiguration) {
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if (!settings._errorsOnly)
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reportUnmatchedSuppressions(settings.nomsg.getUnmatchedGlobalSuppressions());
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if (settings.isEnabled("missingInclude") && Preprocessor::missingIncludeFlag) {
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const std::list<ErrorLogger::ErrorMessage::FileLocation> callStack;
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ErrorLogger::ErrorMessage msg(callStack,
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Severity::information,
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"Cppcheck cannot find all the include files (use --check-config for details)\n"
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"Cppcheck cannot find all the include files. Cppcheck can check the code without the "
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"include files found. But the results will probably be more accurate if all the include "
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"files are found. Please check your project's include directories and add all of them "
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"as include directories for Cppcheck. To see what files Cppcheck cannot find use "
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"--check-config.",
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"missingInclude",
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false);
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reportInfo(msg);
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}
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}
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if (settings._xml) {
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reportErr(ErrorLogger::ErrorMessage::getXMLFooter(settings._xml_version));
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}
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_settings = 0;
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if (returnValue)
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return settings._exitCode;
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else
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return 0;
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}
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void CppCheckExecutor::reportErr(const std::string &errmsg)
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{
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// Alert only about unique errors
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if (_errorList.find(errmsg) != _errorList.end())
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return;
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_errorList.insert(errmsg);
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std::cerr << errmsg << std::endl;
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}
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void CppCheckExecutor::reportOut(const std::string &outmsg)
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{
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std::cout << outmsg << std::endl;
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}
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void CppCheckExecutor::reportProgress(const std::string &filename, const char stage[], const unsigned int value)
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{
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(void)filename;
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if (!time1)
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return;
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// Report progress messages every 10 seconds
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const std::time_t time2 = std::time(NULL);
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if (time2 >= (time1 + 10)) {
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time1 = time2;
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// current time in the format "Www Mmm dd hh:mm:ss yyyy"
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const std::string str(std::ctime(&time2));
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// format a progress message
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std::ostringstream ostr;
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ostr << "progress: "
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<< stage
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<< ' ' << int(value) << '%';
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if (_settings->_verbose)
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ostr << " time=" << str.substr(11, 8);
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// Report progress message
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reportOut(ostr.str());
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}
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}
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void CppCheckExecutor::reportInfo(const ErrorLogger::ErrorMessage &msg)
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{
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reportErr(msg);
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}
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void CppCheckExecutor::reportStatus(size_t fileindex, size_t filecount, size_t sizedone, size_t sizetotal)
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{
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if (filecount > 1) {
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std::ostringstream oss;
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oss << fileindex << '/' << filecount
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<< " files checked " <<
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(sizetotal > 0 ? static_cast<long>(static_cast<long double>(sizedone) / sizetotal*100) : 0)
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<< "% done";
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std::cout << oss.str() << std::endl;
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}
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}
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void CppCheckExecutor::reportErr(const ErrorLogger::ErrorMessage &msg)
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{
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if (errorlist) {
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reportOut(msg.toXML(false, _settings->_xml_version));
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} else if (_settings->_xml) {
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reportErr(msg.toXML(_settings->_verbose, _settings->_xml_version));
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} else {
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reportErr(msg.toString(_settings->_verbose, _settings->_outputFormat));
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}
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}
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