878 lines
33 KiB
C++
878 lines
33 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2016 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 "cppcheck.h"
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#include "check.h"
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#include "checkunusedfunctions.h"
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#include "library.h"
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#include "mathlib.h"
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#include "path.h"
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#include "platform.h"
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#include "preprocessor.h" // Preprocessor
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#include "suppressions.h"
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#include "timer.h"
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#include "token.h"
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#include "tokenize.h" // Tokenizer
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#include "tokenlist.h"
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#include "version.h"
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#include <simplecpp.h>
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#include <tinyxml2.h>
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#include <algorithm>
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#include <cstring>
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#include <new>
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#include <set>
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#include <stdexcept>
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#include <vector>
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#ifdef HAVE_RULES
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#define PCRE_STATIC
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#include <pcre.h>
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#endif
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static const char Version[] = CPPCHECK_VERSION_STRING;
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static const char ExtraVersion[] = "";
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static TimerResults S_timerResults;
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// CWE ids used
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static const CWE CWE398(398U); // Indicator of Poor Code Quality
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CppCheck::CppCheck(ErrorLogger &errorLogger, bool useGlobalSuppressions)
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: _errorLogger(errorLogger), exitcode(0), _useGlobalSuppressions(useGlobalSuppressions), tooManyConfigs(false), _simplify(true)
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{
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}
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CppCheck::~CppCheck()
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{
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while (!fileInfo.empty()) {
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delete fileInfo.back();
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fileInfo.pop_back();
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}
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S_timerResults.ShowResults(_settings.showtime);
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}
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const char * CppCheck::version()
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{
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return Version;
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}
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const char * CppCheck::extraVersion()
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{
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return ExtraVersion;
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}
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unsigned int CppCheck::check(const std::string &path)
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{
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std::ifstream fin(path.c_str());
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return processFile(Path::simplifyPath(path), emptyString, fin);
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}
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unsigned int CppCheck::check(const std::string &path, const std::string &content)
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{
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std::istringstream iss(content);
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return processFile(Path::simplifyPath(path), emptyString, iss);
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}
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unsigned int CppCheck::check(const ImportProject::FileSettings &fs)
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{
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CppCheck temp(_errorLogger, _useGlobalSuppressions);
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temp._settings = _settings;
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if (!temp._settings.userDefines.empty())
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temp._settings.userDefines += ';';
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temp._settings.userDefines += fs.cppcheckDefines();
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temp._settings.includePaths = fs.includePaths;
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// TODO: temp._settings.userUndefs = fs.undefs;
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if (fs.platformType != Settings::Unspecified) {
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temp._settings.platform(fs.platformType);
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}
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std::ifstream fin(fs.filename.c_str());
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return temp.processFile(Path::simplifyPath(fs.filename), fs.cfg, fin);
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}
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unsigned int CppCheck::processFile(const std::string& filename, const std::string &cfgname, std::istream& fileStream)
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{
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exitcode = 0;
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// only show debug warnings for accepted C/C++ source files
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if (!Path::acceptFile(filename))
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_settings.debugwarnings = false;
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if (_settings.terminated())
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return exitcode;
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if (!_settings.quiet) {
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std::string fixedpath = Path::simplifyPath(filename);
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fixedpath = Path::toNativeSeparators(fixedpath);
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_errorLogger.reportOut(std::string("Checking ") + fixedpath + ' ' + cfgname + std::string("..."));
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if (_settings.verbose) {
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_errorLogger.reportOut("Defines: " + _settings.userDefines);
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std::string includePaths;
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for (std::list<std::string>::const_iterator I = _settings.includePaths.begin(); I != _settings.includePaths.end(); ++I)
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includePaths += " -I" + *I;
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_errorLogger.reportOut("Includes:" + includePaths);
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_errorLogger.reportOut(std::string("Platform:") + _settings.platformString());
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}
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}
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if (plistFile.is_open()) {
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plistFile << ErrorLogger::plistFooter();
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plistFile.close();
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}
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CheckUnusedFunctions checkUnusedFunctions(nullptr, nullptr, nullptr);
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bool internalErrorFound(false);
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try {
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Preprocessor preprocessor(_settings, this);
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std::set<std::string> configurations;
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simplecpp::OutputList outputList;
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std::vector<std::string> files;
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simplecpp::TokenList tokens1(fileStream, files, filename, &outputList);
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// If there is a syntax error, report it and stop
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for (simplecpp::OutputList::const_iterator it = outputList.begin(); it != outputList.end(); ++it) {
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bool err;
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switch (it->type) {
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case simplecpp::Output::ERROR:
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case simplecpp::Output::INCLUDE_NESTED_TOO_DEEPLY:
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case simplecpp::Output::SYNTAX_ERROR:
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case simplecpp::Output::UNHANDLED_CHAR_ERROR:
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err = true;
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break;
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case simplecpp::Output::WARNING:
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case simplecpp::Output::MISSING_HEADER:
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case simplecpp::Output::PORTABILITY_BACKSLASH:
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err = false;
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break;
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};
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if (err) {
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const ErrorLogger::ErrorMessage::FileLocation loc1(it->location.file(), it->location.line);
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std::list<ErrorLogger::ErrorMessage::FileLocation> callstack;
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callstack.push_back(loc1);
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ErrorLogger::ErrorMessage errmsg(callstack,
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"",
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Severity::error,
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it->msg,
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"syntaxError",
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false);
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_errorLogger.reportErr(errmsg);
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return 1;
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}
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}
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preprocessor.loadFiles(tokens1, files);
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if (!_settings.plistOutput.empty()) {
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std::string filename2;
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if (filename.find('/') != std::string::npos)
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filename2 = filename.substr(filename.rfind('/') + 1);
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else
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filename2 = filename;
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filename2 = _settings.plistOutput + filename2.substr(0, filename2.find('.')) + ".plist";
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plistFile.open(filename2);
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plistFile << ErrorLogger::plistHeader(version(), files);
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}
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// write dump file xml prolog
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std::ofstream fdump;
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if (_settings.dump) {
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const std::string dumpfile(_settings.dumpFile.empty() ? (filename + ".dump") : _settings.dumpFile);
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fdump.open(dumpfile.c_str());
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if (fdump.is_open()) {
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fdump << "<?xml version=\"1.0\"?>" << std::endl;
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fdump << "<dumps>" << std::endl;
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fdump << " <platform"
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<< " name=\"" << _settings.platformString() << '\"'
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<< " char_bit=\"" << _settings.char_bit << '\"'
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<< " short_bit=\"" << _settings.short_bit << '\"'
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<< " int_bit=\"" << _settings.int_bit << '\"'
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<< " long_bit=\"" << _settings.long_bit << '\"'
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<< " long_long_bit=\"" << _settings.long_long_bit << '\"'
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<< " pointer_bit=\"" << (_settings.sizeof_pointer * _settings.char_bit) << '\"'
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<< "/>\n";
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fdump << " <rawtokens>" << std::endl;
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for (unsigned int i = 0; i < files.size(); ++i)
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fdump << " <file index=\"" << i << "\" name=\"" << ErrorLogger::toxml(files[i]) << "\"/>" << std::endl;
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for (const simplecpp::Token *tok = tokens1.cfront(); tok; tok = tok->next) {
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fdump << " <tok "
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<< "fileIndex=\"" << tok->location.fileIndex << "\" "
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<< "linenr=\"" << tok->location.line << "\" "
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<< "str=\"" << ErrorLogger::toxml(tok->str) << "\""
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<< "/>" << std::endl;
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}
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fdump << " </rawtokens>" << std::endl;
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}
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}
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// Parse comments and then remove them
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preprocessor.inlineSuppressions(tokens1);
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tokens1.removeComments();
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preprocessor.removeComments();
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if (!_settings.buildDir.empty()) {
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// Get toolinfo
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std::string toolinfo;
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toolinfo += CPPCHECK_VERSION_STRING;
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toolinfo += _settings.isEnabled(Settings::WARNING) ? 'w' : ' ';
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toolinfo += _settings.isEnabled(Settings::STYLE) ? 's' : ' ';
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toolinfo += _settings.isEnabled(Settings::PERFORMANCE) ? 'p' : ' ';
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toolinfo += _settings.isEnabled(Settings::PORTABILITY) ? 'p' : ' ';
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toolinfo += _settings.isEnabled(Settings::INFORMATION) ? 'i' : ' ';
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toolinfo += _settings.userDefines;
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// Calculate checksum so it can be compared with old checksum / future checksums
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const unsigned int checksum = preprocessor.calculateChecksum(tokens1, toolinfo);
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std::list<ErrorLogger::ErrorMessage> errors;
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if (!analyzerInformation.analyzeFile(_settings.buildDir, filename, cfgname, checksum, &errors)) {
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while (!errors.empty()) {
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reportErr(errors.front());
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errors.pop_front();
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}
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return exitcode; // known results => no need to reanalyze file
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}
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}
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// Get directives
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preprocessor.setDirectives(tokens1);
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preprocessor.simplifyPragmaAsm(&tokens1);
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preprocessor.setPlatformInfo(&tokens1);
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// Get configurations..
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if (_settings.userDefines.empty() || _settings.force) {
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Timer t("Preprocessor::getConfigs", _settings.showtime, &S_timerResults);
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configurations = preprocessor.getConfigs(tokens1);
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} else {
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configurations.insert(_settings.userDefines);
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}
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if (_settings.checkConfiguration) {
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for (std::set<std::string>::const_iterator it = configurations.begin(); it != configurations.end(); ++it)
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(void)preprocessor.getcode(tokens1, *it, files, true);
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return 0;
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}
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// Run define rules on raw code
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for (std::list<Settings::Rule>::const_iterator it = _settings.rules.begin(); it != _settings.rules.end(); ++it) {
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if (it->tokenlist != "define")
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continue;
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std::string code;
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const std::list<Directive> &directives = preprocessor.getDirectives();
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for (std::list<Directive>::const_iterator dir = directives.begin(); dir != directives.end(); ++dir) {
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if (dir->str.compare(0,8,"#define ") == 0)
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code += "#line " + MathLib::toString(dir->linenr) + " \"" + dir->file + "\"\n" + dir->str + '\n';
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}
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Tokenizer tokenizer2(&_settings, this);
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std::istringstream istr2(code);
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tokenizer2.list.createTokens(istr2);
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executeRules("define", tokenizer2);
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break;
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}
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if (!_settings.force && configurations.size() > _settings.maxConfigs) {
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if (_settings.isEnabled(Settings::INFORMATION)) {
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tooManyConfigsError(Path::toNativeSeparators(filename),configurations.size());
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} else {
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tooManyConfigs = true;
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}
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}
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std::set<unsigned long long> checksums;
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unsigned int checkCount = 0;
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for (std::set<std::string>::const_iterator it = configurations.begin(); it != configurations.end(); ++it) {
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// bail out if terminated
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if (_settings.terminated())
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break;
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// Check only a few configurations (default 12), after that bail out, unless --force
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// was used.
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if (!_settings.force && ++checkCount > _settings.maxConfigs)
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break;
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cfg = *it;
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// If only errors are printed, print filename after the check
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if (!_settings.quiet && (!cfg.empty() || it != configurations.begin())) {
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std::string fixedpath = Path::simplifyPath(filename);
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fixedpath = Path::toNativeSeparators(fixedpath);
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_errorLogger.reportOut("Checking " + fixedpath + ": " + cfg + "...");
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}
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if (!_settings.userDefines.empty()) {
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if (!cfg.empty())
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cfg = ";" + cfg;
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cfg = _settings.userDefines + cfg;
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}
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if (_settings.preprocessOnly) {
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Timer t("Preprocessor::getcode", _settings.showtime, &S_timerResults);
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std::string codeWithoutCfg = preprocessor.getcode(tokens1, cfg, files, true);
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t.Stop();
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if (codeWithoutCfg.compare(0,5,"#file") == 0)
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codeWithoutCfg.insert(0U, "//");
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std::string::size_type pos = 0;
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while ((pos = codeWithoutCfg.find("\n#file",pos)) != std::string::npos)
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codeWithoutCfg.insert(pos+1U, "//");
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pos = 0;
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while ((pos = codeWithoutCfg.find("\n#endfile",pos)) != std::string::npos)
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codeWithoutCfg.insert(pos+1U, "//");
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pos = 0;
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while ((pos = codeWithoutCfg.find(Preprocessor::macroChar,pos)) != std::string::npos)
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codeWithoutCfg[pos] = ' ';
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reportOut(codeWithoutCfg);
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continue;
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}
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Tokenizer _tokenizer(&_settings, this);
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if (_settings.showtime != SHOWTIME_NONE)
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_tokenizer.setTimerResults(&S_timerResults);
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try {
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bool result;
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// Create tokens, skip rest of iteration if failed
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Timer timer("Tokenizer::createTokens", _settings.showtime, &S_timerResults);
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const simplecpp::TokenList &tokensP = preprocessor.preprocess(tokens1, cfg, files);
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_tokenizer.createTokens(&tokensP);
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timer.Stop();
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if (tokensP.empty())
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continue;
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// skip rest of iteration if just checking configuration
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if (_settings.checkConfiguration)
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continue;
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// Check raw tokens
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checkRawTokens(_tokenizer);
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// Simplify tokens into normal form, skip rest of iteration if failed
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Timer timer2("Tokenizer::simplifyTokens1", _settings.showtime, &S_timerResults);
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result = _tokenizer.simplifyTokens1(cfg);
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timer2.Stop();
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if (!result)
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continue;
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// dump xml if --dump
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if (_settings.dump && fdump.is_open()) {
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fdump << "<dump cfg=\"" << ErrorLogger::toxml(cfg) << "\">" << std::endl;
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preprocessor.dump(fdump);
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_tokenizer.dump(fdump);
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fdump << "</dump>" << std::endl;
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}
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// Skip if we already met the same simplified token list
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if (_settings.force || _settings.maxConfigs > 1) {
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const unsigned long long checksum = _tokenizer.list.calculateChecksum();
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if (checksums.find(checksum) != checksums.end()) {
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if (_settings.isEnabled(Settings::INFORMATION) && (_settings.debug || _settings.verbose))
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purgedConfigurationMessage(filename, cfg);
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continue;
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}
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checksums.insert(checksum);
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}
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// Check normal tokens
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checkNormalTokens(_tokenizer);
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// Analyze info..
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if (!_settings.buildDir.empty())
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checkUnusedFunctions.parseTokens(_tokenizer, filename.c_str(), &_settings, false);
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// simplify more if required, skip rest of iteration if failed
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if (_simplify) {
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// if further simplification fails then skip rest of iteration
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Timer timer3("Tokenizer::simplifyTokenList2", _settings.showtime, &S_timerResults);
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result = _tokenizer.simplifyTokenList2();
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timer3.Stop();
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if (!result)
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continue;
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// Check simplified tokens
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checkSimplifiedTokens(_tokenizer);
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}
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} catch (const InternalError &e) {
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internalErrorFound=true;
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std::list<ErrorLogger::ErrorMessage::FileLocation> locationList;
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ErrorLogger::ErrorMessage::FileLocation loc;
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if (e.token) {
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loc.line = e.token->linenr();
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const std::string fixedpath = Path::toNativeSeparators(_tokenizer.list.file(e.token));
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loc.setfile(fixedpath);
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} else {
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ErrorLogger::ErrorMessage::FileLocation loc2;
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loc2.setfile(Path::toNativeSeparators(filename));
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locationList.push_back(loc2);
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loc.setfile(_tokenizer.list.getSourceFilePath());
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}
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locationList.push_back(loc);
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ErrorLogger::ErrorMessage errmsg(locationList,
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_tokenizer.list.getSourceFilePath(),
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Severity::error,
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e.errorMessage,
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e.id,
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false);
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reportErr(errmsg);
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}
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}
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// dumped all configs, close root </dumps> element now
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if (_settings.dump && fdump.is_open())
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fdump << "</dumps>" << std::endl;
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} catch (const std::runtime_error &e) {
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internalError(filename, e.what());
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} catch (const std::bad_alloc &e) {
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internalError(filename, e.what());
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} catch (const InternalError &e) {
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internalError(filename, e.errorMessage);
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exitcode=1; // e.g. reflect a syntax error
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}
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analyzerInformation.setFileInfo("CheckUnusedFunctions", checkUnusedFunctions.analyzerInfo());
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analyzerInformation.close();
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// In jointSuppressionReport mode, unmatched suppressions are
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// collected after all files are processed
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if (!_settings.jointSuppressionReport && (_settings.isEnabled(Settings::INFORMATION) || _settings.checkConfiguration)) {
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reportUnmatchedSuppressions(_settings.nomsg.getUnmatchedLocalSuppressions(filename, isUnusedFunctionCheckEnabled()));
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}
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_errorList.clear();
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if (internalErrorFound && (exitcode==0)) {
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exitcode=1;
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}
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return exitcode;
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}
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void CppCheck::internalError(const std::string &filename, const std::string &msg)
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{
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const std::string fixedpath = Path::toNativeSeparators(filename);
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const std::string fullmsg("Bailing out from checking " + fixedpath + " since there was an internal error: " + msg);
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if (_settings.isEnabled(Settings::INFORMATION)) {
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const ErrorLogger::ErrorMessage::FileLocation loc1(filename, 0);
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std::list<ErrorLogger::ErrorMessage::FileLocation> callstack;
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callstack.push_back(loc1);
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ErrorLogger::ErrorMessage errmsg(callstack,
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emptyString,
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Severity::information,
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fullmsg,
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"internalError",
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false);
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_errorLogger.reportErr(errmsg);
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} else {
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// Report on stdout
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_errorLogger.reportOut(fullmsg);
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}
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}
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//---------------------------------------------------------------------------
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// CppCheck - A function that checks a raw token list
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//---------------------------------------------------------------------------
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void CppCheck::checkRawTokens(const Tokenizer &tokenizer)
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{
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// Execute rules for "raw" code
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executeRules("raw", tokenizer);
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}
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//---------------------------------------------------------------------------
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// CppCheck - A function that checks a normal token list
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//---------------------------------------------------------------------------
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void CppCheck::checkNormalTokens(const Tokenizer &tokenizer)
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{
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// call all "runChecks" in all registered Check classes
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for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it) {
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if (_settings.terminated())
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return;
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if (tokenizer.isMaxTime())
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return;
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Timer timerRunChecks((*it)->name() + "::runChecks", _settings.showtime, &S_timerResults);
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(*it)->runChecks(&tokenizer, &_settings, this);
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}
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// Analyse the tokens..
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for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it) {
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Check::FileInfo *fi = (*it)->getFileInfo(&tokenizer, &_settings);
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if (fi != nullptr) {
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fileInfo.push_back(fi);
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analyzerInformation.setFileInfo((*it)->name(), fi->toString());
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}
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}
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executeRules("normal", tokenizer);
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}
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//---------------------------------------------------------------------------
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// CppCheck - A function that checks a simplified token list
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//---------------------------------------------------------------------------
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void CppCheck::checkSimplifiedTokens(const Tokenizer &tokenizer)
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{
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// call all "runSimplifiedChecks" in all registered Check classes
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for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it) {
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if (_settings.terminated())
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return;
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if (tokenizer.isMaxTime())
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return;
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Timer timerSimpleChecks((*it)->name() + "::runSimplifiedChecks", _settings.showtime, &S_timerResults);
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(*it)->runSimplifiedChecks(&tokenizer, &_settings, this);
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timerSimpleChecks.Stop();
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}
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if (!_settings.terminated())
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executeRules("simple", tokenizer);
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}
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void CppCheck::executeRules(const std::string &tokenlist, const Tokenizer &tokenizer)
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{
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(void)tokenlist;
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(void)tokenizer;
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#ifdef HAVE_RULES
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// Are there rules to execute?
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bool isrule = false;
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for (std::list<Settings::Rule>::const_iterator it = _settings.rules.begin(); it != _settings.rules.end(); ++it) {
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if (it->tokenlist == tokenlist)
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isrule = true;
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}
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// There is no rule to execute
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if (isrule == false)
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return;
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// Write all tokens in a string that can be parsed by pcre
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std::ostringstream ostr;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
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ostr << " " << tok->str();
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const std::string str(ostr.str());
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for (std::list<Settings::Rule>::const_iterator it = _settings.rules.begin(); it != _settings.rules.end(); ++it) {
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const Settings::Rule &rule = *it;
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if (rule.pattern.empty() || rule.id.empty() || rule.severity == Severity::none || rule.tokenlist != tokenlist)
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continue;
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const char *error = nullptr;
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int erroffset = 0;
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pcre *re = pcre_compile(rule.pattern.c_str(),0,&error,&erroffset,nullptr);
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if (!re) {
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if (error) {
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ErrorLogger::ErrorMessage errmsg(std::list<ErrorLogger::ErrorMessage::FileLocation>(),
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emptyString,
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Severity::error,
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error,
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"pcre_compile",
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false);
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reportErr(errmsg);
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}
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continue;
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}
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int pos = 0;
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int ovector[30]= {0};
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while (pos < (int)str.size() && 0 <= pcre_exec(re, nullptr, str.c_str(), (int)str.size(), pos, 0, ovector, 30)) {
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const unsigned int pos1 = (unsigned int)ovector[0];
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const unsigned int pos2 = (unsigned int)ovector[1];
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// jump to the end of the match for the next pcre_exec
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pos = (int)pos2;
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// determine location..
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ErrorLogger::ErrorMessage::FileLocation loc;
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loc.setfile(tokenizer.list.getSourceFilePath());
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loc.line = 0;
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std::size_t len = 0;
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for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) {
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len = len + 1U + tok->str().size();
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if (len > pos1) {
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loc.setfile(tokenizer.list.getFiles().at(tok->fileIndex()));
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loc.line = tok->linenr();
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break;
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}
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}
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const std::list<ErrorLogger::ErrorMessage::FileLocation> callStack(1, loc);
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// Create error message
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std::string summary;
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if (rule.summary.empty())
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summary = "found '" + str.substr(pos1, pos2 - pos1) + "'";
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else
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summary = rule.summary;
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const ErrorLogger::ErrorMessage errmsg(callStack, tokenizer.list.getSourceFilePath(), rule.severity, summary, rule.id, false);
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// Report error
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reportErr(errmsg);
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}
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pcre_free(re);
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}
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#endif
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}
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Settings &CppCheck::settings()
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{
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return _settings;
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}
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void CppCheck::tooManyConfigsError(const std::string &file, const std::size_t numberOfConfigurations)
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{
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if (!_settings.isEnabled(Settings::INFORMATION) && !tooManyConfigs)
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return;
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tooManyConfigs = false;
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if (_settings.isEnabled(Settings::INFORMATION) && file.empty())
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return;
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std::list<ErrorLogger::ErrorMessage::FileLocation> loclist;
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if (!file.empty()) {
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ErrorLogger::ErrorMessage::FileLocation location;
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location.setfile(file);
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loclist.push_back(location);
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}
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std::ostringstream msg;
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msg << "Too many #ifdef configurations - cppcheck only checks " << _settings.maxConfigs;
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if (numberOfConfigurations > _settings.maxConfigs)
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msg << " of " << numberOfConfigurations << " configurations. Use --force to check all configurations.\n";
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if (file.empty())
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msg << " configurations. Use --force to check all configurations. For more details, use --enable=information.\n";
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msg << "The checking of the file will be interrupted because there are too many "
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"#ifdef configurations. Checking of all #ifdef configurations can be forced "
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"by --force command line option or from GUI preferences. However that may "
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"increase the checking time.";
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if (file.empty())
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msg << " For more details, use --enable=information.";
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ErrorLogger::ErrorMessage errmsg(loclist,
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emptyString,
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Severity::information,
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msg.str(),
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"toomanyconfigs", CWE398,
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false);
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reportErr(errmsg);
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}
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void CppCheck::purgedConfigurationMessage(const std::string &file, const std::string& configuration)
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{
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tooManyConfigs = false;
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if (_settings.isEnabled(Settings::INFORMATION) && file.empty())
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return;
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std::list<ErrorLogger::ErrorMessage::FileLocation> loclist;
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if (!file.empty()) {
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ErrorLogger::ErrorMessage::FileLocation location;
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location.setfile(file);
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loclist.push_back(location);
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}
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ErrorLogger::ErrorMessage errmsg(loclist,
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emptyString,
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Severity::information,
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"The configuration '" + configuration + "' was not checked because its code equals another one.",
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"purgedConfiguration",
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false);
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reportErr(errmsg);
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}
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//---------------------------------------------------------------------------
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void CppCheck::reportErr(const ErrorLogger::ErrorMessage &msg)
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{
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if (!_settings.library.reportErrors(msg.file0))
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return;
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const std::string errmsg = msg.toString(_settings.verbose);
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if (errmsg.empty())
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return;
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// Alert only about unique errors
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if (std::find(_errorList.begin(), _errorList.end(), errmsg) != _errorList.end())
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return;
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std::string file;
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unsigned int line(0);
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if (!msg._callStack.empty()) {
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file = msg._callStack.back().getfile(false);
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line = msg._callStack.back().line;
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}
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if (_useGlobalSuppressions) {
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if (_settings.nomsg.isSuppressed(msg._id, file, line))
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return;
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} else {
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if (_settings.nomsg.isSuppressedLocal(msg._id, file, line))
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return;
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}
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if (!_settings.nofail.isSuppressed(msg._id, file, line) && !_settings.nomsg.isSuppressed(msg._id, file, line))
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exitcode = 1;
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_errorList.push_back(errmsg);
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_errorLogger.reportErr(msg);
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analyzerInformation.reportErr(msg, _settings.verbose);
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if (!_settings.plistOutput.empty() && plistFile.is_open()) {
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plistFile << ErrorLogger::plistData(msg);
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}
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}
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void CppCheck::reportOut(const std::string &outmsg)
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{
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_errorLogger.reportOut(outmsg);
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}
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void CppCheck::reportProgress(const std::string &filename, const char stage[], const std::size_t value)
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{
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_errorLogger.reportProgress(filename, stage, value);
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}
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void CppCheck::reportInfo(const ErrorLogger::ErrorMessage &msg)
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{
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// Suppressing info message?
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std::string file;
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unsigned int line(0);
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if (!msg._callStack.empty()) {
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file = msg._callStack.back().getfile(false);
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line = msg._callStack.back().line;
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}
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if (_useGlobalSuppressions) {
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if (_settings.nomsg.isSuppressed(msg._id, file, line))
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return;
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} else {
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if (_settings.nomsg.isSuppressedLocal(msg._id, file, line))
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return;
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}
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_errorLogger.reportInfo(msg);
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}
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void CppCheck::reportStatus(unsigned int /*fileindex*/, unsigned int /*filecount*/, std::size_t /*sizedone*/, std::size_t /*sizetotal*/)
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{
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}
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void CppCheck::getErrorMessages()
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{
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Settings s(_settings);
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s.addEnabled("warning");
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s.addEnabled("style");
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s.addEnabled("portability");
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s.addEnabled("performance");
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s.addEnabled("information");
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tooManyConfigs = true;
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tooManyConfigsError("",0U);
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// call all "getErrorMessages" in all registered Check classes
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for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it)
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(*it)->getErrorMessages(this, &s);
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Preprocessor::getErrorMessages(this, &s);
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}
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bool CppCheck::analyseWholeProgram()
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{
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bool errors = false;
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// Analyse the tokens
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for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it)
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errors |= (*it)->analyseWholeProgram(fileInfo, _settings, *this);
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return errors;
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}
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void CppCheck::analyseWholeProgram(const std::string &buildDir, const std::map<std::string, std::size_t> &files)
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{
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(void)files;
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if (buildDir.empty())
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return;
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if (_settings.isEnabled(Settings::UNUSED_FUNCTION))
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CheckUnusedFunctions::analyseWholeProgram(this, buildDir);
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std::list<Check::FileInfo*> fileInfoList;
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// Load all analyzer info data..
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const std::string filesTxt(buildDir + "/files.txt");
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std::ifstream fin(filesTxt.c_str());
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std::string filesTxtLine;
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while (std::getline(fin, filesTxtLine)) {
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const std::string::size_type firstColon = filesTxtLine.find(':');
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if (firstColon == std::string::npos)
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continue;
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const std::string::size_type lastColon = filesTxtLine.rfind(':');
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if (firstColon == lastColon)
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continue;
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const std::string xmlfile = buildDir + '/' + filesTxtLine.substr(0,firstColon);
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//const std::string sourcefile = filesTxtLine.substr(lastColon+1);
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tinyxml2::XMLDocument doc;
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tinyxml2::XMLError error = doc.LoadFile(xmlfile.c_str());
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if (error != tinyxml2::XML_SUCCESS)
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continue;
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const tinyxml2::XMLElement * const rootNode = doc.FirstChildElement();
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if (rootNode == nullptr)
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continue;
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for (const tinyxml2::XMLElement *e = rootNode->FirstChildElement(); e; e = e->NextSiblingElement()) {
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if (std::strcmp(e->Name(), "FileInfo") != 0)
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continue;
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const char *checkClassAttr = e->Attribute("check");
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if (!checkClassAttr)
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continue;
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for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it) {
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if (checkClassAttr == (*it)->name())
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fileInfoList.push_back((*it)->loadFileInfoFromXml(e));
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}
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}
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}
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// Analyse the tokens
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for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it)
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(*it)->analyseWholeProgram(fileInfoList, _settings, *this);
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for (std::list<Check::FileInfo*>::iterator fi = fileInfoList.begin(); fi != fileInfoList.end(); ++fi)
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delete (*fi);
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}
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bool CppCheck::isUnusedFunctionCheckEnabled() const
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{
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return (_settings.jobs == 1 && _settings.isEnabled(Settings::UNUSED_FUNCTION));
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}
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