QErrorPathItem::QErrorPathItem(const ErrorLogger::ErrorMessage::FileLocation &loc)
: file(QString::fromStdString(loc.getfile(false)))
, line(loc.line)
, col(loc.col)
, info(QString::fromStdString(loc.getinfo()))
{
}
void FileLocationSetFile()
{
ErrorLogger::ErrorMessage::FileLocation loc;
loc.setfile("foo.cpp");
ASSERT_EQUALS("foo.cpp", loc.getfile());
ASSERT_EQUALS(0, loc.line);
}
unsigned int CppCheck::checkFile(const std::string& filename, const std::string &cfgname, std::istream& fileStream)
{
mExitCode = 0;
mSuppressInternalErrorFound = false;
// only show debug warnings for accepted C/C++ source files
if (!Path::acceptFile(filename))
mSettings.debugwarnings = false;
if (mSettings.terminated())
return mExitCode;
if (!mSettings.quiet) {
std::string fixedpath = Path::simplifyPath(filename);
fixedpath = Path::toNativeSeparators(fixedpath);
mErrorLogger.reportOut(std::string("Checking ") + fixedpath + ' ' + cfgname + std::string("..."));
if (mSettings.verbose) {
mErrorLogger.reportOut("Defines:" + mSettings.userDefines);
std::string undefs;
for (const std::string& U : mSettings.userUndefs) {
if (!undefs.empty())
undefs += ';';
undefs += ' ' + U;
}
mErrorLogger.reportOut("Undefines:" + undefs);
std::string includePaths;
for (const std::string &I : mSettings.includePaths)
includePaths += " -I" + I;
mErrorLogger.reportOut("Includes:" + includePaths);
mErrorLogger.reportOut(std::string("Platform:") + mSettings.platformString());
}
}
if (plistFile.is_open()) {
plistFile << ErrorLogger::plistFooter();
plistFile.close();
}
CheckUnusedFunctions checkUnusedFunctions(nullptr, nullptr, nullptr);
bool internalErrorFound(false);
try {
Preprocessor preprocessor(mSettings, this);
std::set<std::string> configurations;
simplecpp::OutputList outputList;
std::vector<std::string> files;
simplecpp::TokenList tokens1(fileStream, files, filename, &outputList);
// If there is a syntax error, report it and stop
for (simplecpp::OutputList::const_iterator it = outputList.begin(); it != outputList.end(); ++it) {
bool err;
switch (it->type) {
case simplecpp::Output::ERROR:
case simplecpp::Output::INCLUDE_NESTED_TOO_DEEPLY:
case simplecpp::Output::SYNTAX_ERROR:
case simplecpp::Output::UNHANDLED_CHAR_ERROR:
err = true;
break;
case simplecpp::Output::WARNING:
case simplecpp::Output::MISSING_HEADER:
case simplecpp::Output::PORTABILITY_BACKSLASH:
err = false;
break;
};
if (err) {
const ErrorLogger::ErrorMessage::FileLocation loc1(it->location.file(), it->location.line);
std::list<ErrorLogger::ErrorMessage::FileLocation> callstack(1, loc1);
ErrorLogger::ErrorMessage errmsg(callstack,
"",
Severity::error,
it->msg,
"syntaxError",
false);
reportErr(errmsg);
return mExitCode;
}
}
preprocessor.loadFiles(tokens1, files);
if (!mSettings.plistOutput.empty()) {
std::string filename2;
if (filename.find('/') != std::string::npos)
filename2 = filename.substr(filename.rfind('/') + 1);
else
filename2 = filename;
filename2 = mSettings.plistOutput + filename2.substr(0, filename2.find('.')) + ".plist";
plistFile.open(filename2);
plistFile << ErrorLogger::plistHeader(version(), files);
}
// write dump file xml prolog
std::ofstream fdump;
if (mSettings.dump) {
const std::string dumpfile(mSettings.dumpFile.empty() ? (filename + ".dump") : mSettings.dumpFile);
fdump.open(dumpfile);
if (fdump.is_open()) {
fdump << "<?xml version=\"1.0\"?>" << std::endl;
fdump << "<dumps>" << std::endl;
fdump << " <platform"
<< " name=\"" << mSettings.platformString() << '\"'
<< " char_bit=\"" << mSettings.char_bit << '\"'
<< " short_bit=\"" << mSettings.short_bit << '\"'
<< " int_bit=\"" << mSettings.int_bit << '\"'
<< " long_bit=\"" << mSettings.long_bit << '\"'
<< " long_long_bit=\"" << mSettings.long_long_bit << '\"'
<< " pointer_bit=\"" << (mSettings.sizeof_pointer * mSettings.char_bit) << '\"'
<< "/>\n";
fdump << " <rawtokens>" << std::endl;
for (unsigned int i = 0; i < files.size(); ++i)
fdump << " <file index=\"" << i << "\" name=\"" << ErrorLogger::toxml(files[i]) << "\"/>" << std::endl;
for (const simplecpp::Token *tok = tokens1.cfront(); tok; tok = tok->next) {
fdump << " <tok "
<< "fileIndex=\"" << tok->location.fileIndex << "\" "
<< "linenr=\"" << tok->location.line << "\" "
<< "str=\"" << ErrorLogger::toxml(tok->str()) << "\""
<< "/>" << std::endl;
}
fdump << " </rawtokens>" << std::endl;
}
}
// Parse comments and then remove them
preprocessor.inlineSuppressions(tokens1);
if (mSettings.dump && fdump.is_open()) {
mSettings.nomsg.dump(fdump);
}
tokens1.removeComments();
preprocessor.removeComments();
if (!mSettings.buildDir.empty()) {
// Get toolinfo
std::ostringstream toolinfo;
toolinfo << CPPCHECK_VERSION_STRING;
toolinfo << (mSettings.isEnabled(Settings::WARNING) ? 'w' : ' ');
toolinfo << (mSettings.isEnabled(Settings::STYLE) ? 's' : ' ');
toolinfo << (mSettings.isEnabled(Settings::PERFORMANCE) ? 'p' : ' ');
toolinfo << (mSettings.isEnabled(Settings::PORTABILITY) ? 'p' : ' ');
toolinfo << (mSettings.isEnabled(Settings::INFORMATION) ? 'i' : ' ');
toolinfo << mSettings.userDefines;
mSettings.nomsg.dump(toolinfo);
// Calculate checksum so it can be compared with old checksum / future checksums
const unsigned int checksum = preprocessor.calculateChecksum(tokens1, toolinfo.str());
std::list<ErrorLogger::ErrorMessage> errors;
if (!mAnalyzerInformation.analyzeFile(mSettings.buildDir, filename, cfgname, checksum, &errors)) {
while (!errors.empty()) {
reportErr(errors.front());
errors.pop_front();
}
return mExitCode; // known results => no need to reanalyze file
}
}
// Get directives
preprocessor.setDirectives(tokens1);
preprocessor.simplifyPragmaAsm(&tokens1);
preprocessor.setPlatformInfo(&tokens1);
// Get configurations..
if (mSettings.userDefines.empty() || mSettings.force) {
Timer t("Preprocessor::getConfigs", mSettings.showtime, &S_timerResults);
configurations = preprocessor.getConfigs(tokens1);
} else {
configurations.insert(mSettings.userDefines);
}
if (mSettings.checkConfiguration) {
for (const std::string &config : configurations)
(void)preprocessor.getcode(tokens1, config, files, true);
return 0;
}
// Run define rules on raw code
for (const Settings::Rule &rule : mSettings.rules) {
if (rule.tokenlist != "define")
continue;
std::string code;
const std::list<Directive> &directives = preprocessor.getDirectives();
for (const Directive &dir : directives) {
if (dir.str.compare(0,8,"#define ") == 0)
code += "#line " + MathLib::toString(dir.linenr) + " \"" + dir.file + "\"\n" + dir.str + '\n';
}
Tokenizer tokenizer2(&mSettings, this);
std::istringstream istr2(code);
tokenizer2.list.createTokens(istr2);
executeRules("define", tokenizer2);
break;
}
if (!mSettings.force && configurations.size() > mSettings.maxConfigs) {
if (mSettings.isEnabled(Settings::INFORMATION)) {
tooManyConfigsError(Path::toNativeSeparators(filename),configurations.size());
} else {
mTooManyConfigs = true;
}
}
std::set<unsigned long long> checksums;
unsigned int checkCount = 0;
bool hasValidConfig = false;
std::list<std::string> configurationError;
for (std::set<std::string>::const_iterator it = configurations.begin(); it != configurations.end(); ++it) {
// bail out if terminated
if (mSettings.terminated())
break;
// Check only a few configurations (default 12), after that bail out, unless --force
// was used.
if (!mSettings.force && ++checkCount > mSettings.maxConfigs)
break;
mCurrentConfig = *it;
if (!mSettings.userDefines.empty()) {
if (!mCurrentConfig.empty())
mCurrentConfig = ";" + mCurrentConfig;
mCurrentConfig = mSettings.userDefines + mCurrentConfig;
}
if (mSettings.preprocessOnly) {
Timer t("Preprocessor::getcode", mSettings.showtime, &S_timerResults);
std::string codeWithoutCfg = preprocessor.getcode(tokens1, mCurrentConfig, files, true);
t.Stop();
if (codeWithoutCfg.compare(0,5,"#file") == 0)
codeWithoutCfg.insert(0U, "//");
std::string::size_type pos = 0;
while ((pos = codeWithoutCfg.find("\n#file",pos)) != std::string::npos)
codeWithoutCfg.insert(pos+1U, "//");
pos = 0;
while ((pos = codeWithoutCfg.find("\n#endfile",pos)) != std::string::npos)
codeWithoutCfg.insert(pos+1U, "//");
pos = 0;
while ((pos = codeWithoutCfg.find(Preprocessor::macroChar,pos)) != std::string::npos)
codeWithoutCfg[pos] = ' ';
reportOut(codeWithoutCfg);
continue;
}
Tokenizer mTokenizer(&mSettings, this);
if (mSettings.showtime != SHOWTIME_NONE)
mTokenizer.setTimerResults(&S_timerResults);
try {
bool result;
// Create tokens, skip rest of iteration if failed
Timer timer("Tokenizer::createTokens", mSettings.showtime, &S_timerResults);
const simplecpp::TokenList &tokensP = preprocessor.preprocess(tokens1, mCurrentConfig, files, true);
mTokenizer.createTokens(&tokensP);
timer.Stop();
hasValidConfig = true;
// If only errors are printed, print filename after the check
if (!mSettings.quiet && (!mCurrentConfig.empty() || it != configurations.begin())) {
std::string fixedpath = Path::simplifyPath(filename);
fixedpath = Path::toNativeSeparators(fixedpath);
mErrorLogger.reportOut("Checking " + fixedpath + ": " + mCurrentConfig + "...");
}
if (tokensP.empty())
continue;
// skip rest of iteration if just checking configuration
if (mSettings.checkConfiguration)
continue;
// Check raw tokens
checkRawTokens(mTokenizer);
// Simplify tokens into normal form, skip rest of iteration if failed
Timer timer2("Tokenizer::simplifyTokens1", mSettings.showtime, &S_timerResults);
result = mTokenizer.simplifyTokens1(mCurrentConfig);
timer2.Stop();
if (!result)
continue;
// dump xml if --dump
if (mSettings.dump && fdump.is_open()) {
fdump << "<dump cfg=\"" << ErrorLogger::toxml(mCurrentConfig) << "\">" << std::endl;
preprocessor.dump(fdump);
mTokenizer.dump(fdump);
fdump << "</dump>" << std::endl;
}
// Skip if we already met the same simplified token list
if (mSettings.force || mSettings.maxConfigs > 1) {
const unsigned long long checksum = mTokenizer.list.calculateChecksum();
if (checksums.find(checksum) != checksums.end()) {
if (mSettings.debugwarnings)
purgedConfigurationMessage(filename, mCurrentConfig);
continue;
}
checksums.insert(checksum);
}
// Check normal tokens
checkNormalTokens(mTokenizer);
// Analyze info..
if (!mSettings.buildDir.empty())
checkUnusedFunctions.parseTokens(mTokenizer, filename.c_str(), &mSettings);
// simplify more if required, skip rest of iteration if failed
if (mSimplify) {
// if further simplification fails then skip rest of iteration
Timer timer3("Tokenizer::simplifyTokenList2", mSettings.showtime, &S_timerResults);
result = mTokenizer.simplifyTokenList2();
timer3.Stop();
if (!result)
continue;
// Check simplified tokens
checkSimplifiedTokens(mTokenizer);
}
} catch (const simplecpp::Output &o) {
// #error etc during preprocessing
configurationError.push_back((mCurrentConfig.empty() ? "\'\'" : mCurrentConfig) + " : [" + o.location.file() + ':' + MathLib::toString(o.location.line) + "] " + o.msg);
--checkCount; // don't count invalid configurations
continue;
} catch (const InternalError &e) {
std::list<ErrorLogger::ErrorMessage::FileLocation> locationList;
ErrorLogger::ErrorMessage::FileLocation loc;
if (e.token) {
loc.line = e.token->linenr();
const std::string fixedpath = Path::toNativeSeparators(mTokenizer.list.file(e.token));
loc.setfile(fixedpath);
} else {
ErrorLogger::ErrorMessage::FileLocation loc2;
loc2.setfile(Path::toNativeSeparators(filename));
locationList.push_back(loc2);
loc.setfile(mTokenizer.list.getSourceFilePath());
}
locationList.push_back(loc);
ErrorLogger::ErrorMessage errmsg(locationList,
mTokenizer.list.getSourceFilePath(),
Severity::error,
e.errorMessage,
e.id,
false);
reportErr(errmsg);
if (!mSuppressInternalErrorFound)
internalErrorFound = true;
}
}
if (!hasValidConfig && configurations.size() > 1 && mSettings.isEnabled(Settings::INFORMATION)) {
std::string msg;
msg = "This file is not analyzed. Cppcheck failed to extract a valid configuration. Use -v for more details.";
msg += "\nThis file is not analyzed. Cppcheck failed to extract a valid configuration. The tested configurations have these preprocessor errors:";
for (const std::string &s : configurationError)
msg += '\n' + s;
std::list<ErrorLogger::ErrorMessage::FileLocation> locationList;
ErrorLogger::ErrorMessage::FileLocation loc;
loc.setfile(Path::toNativeSeparators(filename));
locationList.push_back(loc);
ErrorLogger::ErrorMessage errmsg(locationList,
loc.getfile(),
Severity::information,
msg,
"noValidConfiguration",
false);
reportErr(errmsg);
}
// dumped all configs, close root </dumps> element now
if (mSettings.dump && fdump.is_open())
fdump << "</dumps>" << std::endl;
} catch (const std::runtime_error &e) {
internalError(filename, e.what());
} catch (const std::bad_alloc &e) {
internalError(filename, e.what());
} catch (const InternalError &e) {
internalError(filename, e.errorMessage);
mExitCode=1; // e.g. reflect a syntax error
}
mAnalyzerInformation.setFileInfo("CheckUnusedFunctions", checkUnusedFunctions.analyzerInfo());
mAnalyzerInformation.close();
// In jointSuppressionReport mode, unmatched suppressions are
// collected after all files are processed
if (!mSettings.jointSuppressionReport && (mSettings.isEnabled(Settings::INFORMATION) || mSettings.checkConfiguration)) {
reportUnmatchedSuppressions(mSettings.nomsg.getUnmatchedLocalSuppressions(filename, isUnusedFunctionCheckEnabled()));
}
mErrorList.clear();
if (internalErrorFound && (mExitCode==0)) {
mExitCode = 1;
}
return mExitCode;
}
void FileLocationDefaults() const {
ErrorLogger::ErrorMessage::FileLocation loc;
ASSERT_EQUALS("", loc.getfile());
ASSERT_EQUALS(0, loc.line);
}