834 lines
31 KiB
C++
834 lines
31 KiB
C++
/*
|
|
* Cppcheck - A tool for static C/C++ code analysis
|
|
* Copyright (C) 2007-2016 Cppcheck team.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include "cppcheck.h"
|
|
|
|
#include "preprocessor.h" // Preprocessor
|
|
#include "simplecpp.h"
|
|
#include "tokenize.h" // Tokenizer
|
|
|
|
#include "check.h"
|
|
#include "path.h"
|
|
|
|
#include "checkunusedfunctions.h"
|
|
#include "timer.h"
|
|
#include "version.h"
|
|
|
|
#include <algorithm>
|
|
#include <fstream>
|
|
#include <sstream>
|
|
#include <stdexcept>
|
|
#include <tinyxml2.h>
|
|
|
|
#ifdef HAVE_RULES
|
|
#define PCRE_STATIC
|
|
#include <pcre.h>
|
|
#endif
|
|
|
|
static const char Version[] = CPPCHECK_VERSION_STRING;
|
|
static const char ExtraVersion[] = "";
|
|
|
|
static TimerResults S_timerResults;
|
|
|
|
// CWE ids used
|
|
static const CWE CWE398(398U); // Indicator of Poor Code Quality
|
|
|
|
CppCheck::CppCheck(ErrorLogger &errorLogger, bool useGlobalSuppressions)
|
|
: _errorLogger(errorLogger), exitcode(0), _useGlobalSuppressions(useGlobalSuppressions), tooManyConfigs(false), _simplify(true)
|
|
{
|
|
}
|
|
|
|
CppCheck::~CppCheck()
|
|
{
|
|
while (!fileInfo.empty()) {
|
|
delete fileInfo.back();
|
|
fileInfo.pop_back();
|
|
}
|
|
S_timerResults.ShowResults(_settings.showtime);
|
|
}
|
|
|
|
const char * CppCheck::version()
|
|
{
|
|
return Version;
|
|
}
|
|
|
|
const char * CppCheck::extraVersion()
|
|
{
|
|
return ExtraVersion;
|
|
}
|
|
|
|
unsigned int CppCheck::check(const std::string &path)
|
|
{
|
|
std::ifstream fin(path.c_str());
|
|
return processFile(Path::simplifyPath(path), emptyString, fin);
|
|
}
|
|
|
|
unsigned int CppCheck::check(const std::string &path, const std::string &content)
|
|
{
|
|
std::istringstream iss(content);
|
|
return processFile(Path::simplifyPath(path), emptyString, iss);
|
|
}
|
|
|
|
unsigned int CppCheck::check(const ImportProject::FileSettings &fs)
|
|
{
|
|
CppCheck temp(_errorLogger, _useGlobalSuppressions);
|
|
temp._settings = _settings;
|
|
temp._settings.userDefines = fs.defines;
|
|
temp._settings.includePaths = fs.includePaths;
|
|
// TODO: temp._settings.userUndefs = fs.undefs;
|
|
if (fs.platformType != Settings::Unspecified) {
|
|
temp._settings.platform(fs.platformType);
|
|
}
|
|
std::ifstream fin(fs.filename.c_str());
|
|
return temp.processFile(Path::simplifyPath(fs.filename), fs.cfg, fin);
|
|
}
|
|
|
|
unsigned int CppCheck::processFile(const std::string& filename, const std::string &cfgname, std::istream& fileStream)
|
|
{
|
|
exitcode = 0;
|
|
|
|
// only show debug warnings for accepted C/C++ source files
|
|
if (!Path::acceptFile(filename))
|
|
_settings.debugwarnings = false;
|
|
|
|
if (_settings.terminated())
|
|
return exitcode;
|
|
|
|
if (_settings.quiet == false) {
|
|
std::string fixedpath = Path::simplifyPath(filename);
|
|
fixedpath = Path::toNativeSeparators(fixedpath);
|
|
_errorLogger.reportOut(std::string("Checking ") + fixedpath + ' ' + cfgname + std::string("..."));
|
|
|
|
if (_settings.verbose) {
|
|
_errorLogger.reportOut("Defines: " + _settings.userDefines);
|
|
std::string includePaths;
|
|
for (std::list<std::string>::const_iterator I = _settings.includePaths.begin(); I != _settings.includePaths.end(); ++I)
|
|
includePaths += " -I" + *I;
|
|
_errorLogger.reportOut("Includes:" + includePaths);
|
|
_errorLogger.reportOut(std::string("Platform:") + _settings.platformString());
|
|
}
|
|
}
|
|
|
|
if (plistFile.is_open()) {
|
|
plistFile << ErrorLogger::plistFooter();
|
|
plistFile.close();
|
|
}
|
|
|
|
CheckUnusedFunctions checkUnusedFunctions(0,0,0);
|
|
|
|
bool internalErrorFound(false);
|
|
try {
|
|
Preprocessor preprocessor(_settings, this);
|
|
std::set<std::string> configurations;
|
|
|
|
simplecpp::OutputList outputList;
|
|
std::vector<std::string> files;
|
|
simplecpp::TokenList tokens1(fileStream, files, filename, &outputList);
|
|
preprocessor.loadFiles(tokens1, files);
|
|
|
|
if (!_settings.plistOutput.empty()) {
|
|
std::string filename2;
|
|
if (filename.find("/") != std::string::npos)
|
|
filename2 = filename.substr(filename.rfind("/") + 1);
|
|
else
|
|
filename2 = filename;
|
|
filename2 = _settings.plistOutput + filename2.substr(0, filename2.find(".")) + ".plist";
|
|
plistFile.open(filename2);
|
|
plistFile << ErrorLogger::plistHeader(version(), files);
|
|
}
|
|
|
|
// write dump file xml prolog
|
|
std::ofstream fdump;
|
|
if (_settings.dump) {
|
|
const std::string dumpfile(filename + ".dump");
|
|
fdump.open(dumpfile.c_str());
|
|
if (fdump.is_open()) {
|
|
fdump << "<?xml version=\"1.0\"?>" << std::endl;
|
|
fdump << "<dumps>" << std::endl;
|
|
fdump << " <platform"
|
|
<< " name=\"" << _settings.platformString() << '\"'
|
|
<< " char_bit=\"" << _settings.char_bit << '\"'
|
|
<< " short_bit=\"" << _settings.short_bit << '\"'
|
|
<< " int_bit=\"" << _settings.int_bit << '\"'
|
|
<< " long_bit=\"" << _settings.long_bit << '\"'
|
|
<< " long_long_bit=\"" << _settings.long_long_bit << '\"'
|
|
<< " pointer_bit=\"" << (_settings.sizeof_pointer * _settings.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);
|
|
tokens1.removeComments();
|
|
preprocessor.removeComments();
|
|
|
|
if (!_settings.buildDir.empty()) {
|
|
// Get toolinfo
|
|
std::string toolinfo;
|
|
toolinfo += CPPCHECK_VERSION_STRING;
|
|
toolinfo += _settings.isEnabled(Settings::WARNING) ? 'w' : ' ';
|
|
toolinfo += _settings.isEnabled(Settings::STYLE) ? 's' : ' ';
|
|
toolinfo += _settings.isEnabled(Settings::PERFORMANCE) ? 'p' : ' ';
|
|
toolinfo += _settings.isEnabled(Settings::PORTABILITY) ? 'p' : ' ';
|
|
toolinfo += _settings.isEnabled(Settings::INFORMATION) ? 'i' : ' ';
|
|
toolinfo += _settings.userDefines;
|
|
|
|
// Calculate checksum so it can be compared with old checksum / future checksums
|
|
const unsigned int checksum = preprocessor.calculateChecksum(tokens1, toolinfo);
|
|
std::list<ErrorLogger::ErrorMessage> errors;
|
|
if (!analyzerInformation.analyzeFile(_settings.buildDir, filename, cfgname, checksum, &errors)) {
|
|
while (!errors.empty()) {
|
|
reportErr(errors.front());
|
|
errors.pop_front();
|
|
}
|
|
return exitcode; // known results => no need to reanalyze file
|
|
}
|
|
}
|
|
|
|
// Get directives
|
|
preprocessor.setDirectives(tokens1);
|
|
preprocessor.simplifyPragmaAsm(&tokens1);
|
|
|
|
preprocessor.setPlatformInfo(&tokens1);
|
|
|
|
// Get configurations..
|
|
if (_settings.userDefines.empty() || _settings.force) {
|
|
Timer t("Preprocessor::getConfigs", _settings.showtime, &S_timerResults);
|
|
configurations = preprocessor.getConfigs(tokens1);
|
|
} else {
|
|
configurations.insert(_settings.userDefines);
|
|
}
|
|
|
|
if (_settings.checkConfiguration) {
|
|
for (std::set<std::string>::const_iterator it = configurations.begin(); it != configurations.end(); ++it)
|
|
(void)preprocessor.getcode(tokens1, *it, files, true);
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Run define rules on raw code
|
|
for (std::list<Settings::Rule>::const_iterator it = _settings.rules.begin(); it != _settings.rules.end(); ++it) {
|
|
if (it->tokenlist != "define")
|
|
continue;
|
|
|
|
std::string code;
|
|
const std::list<Directive> &directives = preprocessor.getDirectives();
|
|
for (std::list<Directive>::const_iterator dir = directives.begin(); dir != directives.end(); ++dir) {
|
|
if (dir->str.compare(0,8,"#define ") == 0)
|
|
code += "#line " + MathLib::toString(dir->linenr) + " \"" + dir->file + "\"\n" + dir->str + '\n';
|
|
}
|
|
Tokenizer tokenizer2(&_settings, this);
|
|
std::istringstream istr2(code);
|
|
tokenizer2.list.createTokens(istr2);
|
|
executeRules("define", tokenizer2);
|
|
break;
|
|
}
|
|
|
|
if (!_settings.force && configurations.size() > _settings.maxConfigs) {
|
|
if (_settings.isEnabled(Settings::INFORMATION)) {
|
|
tooManyConfigsError(Path::toNativeSeparators(filename),configurations.size());
|
|
} else {
|
|
tooManyConfigs = true;
|
|
}
|
|
}
|
|
|
|
std::set<unsigned long long> checksums;
|
|
unsigned int checkCount = 0;
|
|
for (std::set<std::string>::const_iterator it = configurations.begin(); it != configurations.end(); ++it) {
|
|
// bail out if terminated
|
|
if (_settings.terminated())
|
|
break;
|
|
|
|
// Check only a few configurations (default 12), after that bail out, unless --force
|
|
// was used.
|
|
if (!_settings.force && ++checkCount > _settings.maxConfigs)
|
|
break;
|
|
|
|
cfg = *it;
|
|
|
|
// If only errors are printed, print filename after the check
|
|
if (_settings.quiet == false && (!cfg.empty() || it != configurations.begin())) {
|
|
std::string fixedpath = Path::simplifyPath(filename);
|
|
fixedpath = Path::toNativeSeparators(fixedpath);
|
|
_errorLogger.reportOut("Checking " + fixedpath + ": " + cfg + "...");
|
|
}
|
|
|
|
if (!_settings.userDefines.empty()) {
|
|
if (!cfg.empty())
|
|
cfg = ";" + cfg;
|
|
cfg = _settings.userDefines + cfg;
|
|
}
|
|
|
|
if (_settings.preprocessOnly) {
|
|
Timer t("Preprocessor::getcode", _settings.showtime, &S_timerResults);
|
|
std::string codeWithoutCfg = preprocessor.getcode(tokens1, cfg, 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 _tokenizer(&_settings, this);
|
|
if (_settings.showtime != SHOWTIME_NONE)
|
|
_tokenizer.setTimerResults(&S_timerResults);
|
|
|
|
try {
|
|
bool result;
|
|
|
|
// Create tokens, skip rest of iteration if failed
|
|
Timer timer("Tokenizer::createTokens", _settings.showtime, &S_timerResults);
|
|
const simplecpp::TokenList &tokensP = preprocessor.preprocess(tokens1, cfg, files);
|
|
_tokenizer.createTokens(&tokensP);
|
|
timer.Stop();
|
|
if (tokensP.empty())
|
|
continue;
|
|
|
|
// skip rest of iteration if just checking configuration
|
|
if (_settings.checkConfiguration)
|
|
continue;
|
|
|
|
// Check raw tokens
|
|
checkRawTokens(_tokenizer);
|
|
|
|
// Simplify tokens into normal form, skip rest of iteration if failed
|
|
Timer timer2("Tokenizer::simplifyTokens1", _settings.showtime, &S_timerResults);
|
|
result = _tokenizer.simplifyTokens1(cfg);
|
|
timer2.Stop();
|
|
if (!result)
|
|
continue;
|
|
|
|
// dump xml if --dump
|
|
if (_settings.dump && fdump.is_open()) {
|
|
fdump << "<dump cfg=\"" << cfg << "\">" << std::endl;
|
|
preprocessor.dump(fdump);
|
|
_tokenizer.dump(fdump);
|
|
fdump << "</dump>" << std::endl;
|
|
}
|
|
|
|
// Skip if we already met the same simplified token list
|
|
if (_settings.force || _settings.maxConfigs > 1) {
|
|
const unsigned long long checksum = _tokenizer.list.calculateChecksum();
|
|
if (checksums.find(checksum) != checksums.end()) {
|
|
if (_settings.isEnabled(Settings::INFORMATION) && (_settings.debug || _settings.verbose))
|
|
purgedConfigurationMessage(filename, cfg);
|
|
continue;
|
|
}
|
|
checksums.insert(checksum);
|
|
}
|
|
|
|
// Check normal tokens
|
|
checkNormalTokens(_tokenizer);
|
|
|
|
// Analyze info..
|
|
if (!_settings.buildDir.empty())
|
|
checkUnusedFunctions.parseTokens(_tokenizer, filename.c_str(), &_settings, false);
|
|
|
|
// simplify more if required, skip rest of iteration if failed
|
|
if (_simplify) {
|
|
// if further simplification fails then skip rest of iteration
|
|
Timer timer3("Tokenizer::simplifyTokenList2", _settings.showtime, &S_timerResults);
|
|
result = _tokenizer.simplifyTokenList2();
|
|
timer3.Stop();
|
|
if (!result)
|
|
continue;
|
|
|
|
// Check simplified tokens
|
|
checkSimplifiedTokens(_tokenizer);
|
|
}
|
|
|
|
} catch (const InternalError &e) {
|
|
internalErrorFound=true;
|
|
std::list<ErrorLogger::ErrorMessage::FileLocation> locationList;
|
|
ErrorLogger::ErrorMessage::FileLocation loc;
|
|
if (e.token) {
|
|
loc.line = e.token->linenr();
|
|
const std::string fixedpath = Path::toNativeSeparators(_tokenizer.list.file(e.token));
|
|
loc.setfile(fixedpath);
|
|
} else {
|
|
ErrorLogger::ErrorMessage::FileLocation loc2;
|
|
loc2.setfile(Path::toNativeSeparators(filename));
|
|
locationList.push_back(loc2);
|
|
loc.setfile(_tokenizer.list.getSourceFilePath());
|
|
}
|
|
locationList.push_back(loc);
|
|
ErrorLogger::ErrorMessage errmsg(locationList,
|
|
_tokenizer.list.getSourceFilePath(),
|
|
Severity::error,
|
|
e.errorMessage,
|
|
e.id,
|
|
false);
|
|
|
|
reportErr(errmsg);
|
|
}
|
|
}
|
|
|
|
// dumped all configs, close root </dumps> element now
|
|
if (_settings.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);
|
|
exitcode=1; // e.g. reflect a syntax error
|
|
}
|
|
|
|
analyzerInformation.setFileInfo("CheckUnusedFunctions", checkUnusedFunctions.analyzerInfo());
|
|
analyzerInformation.close();
|
|
|
|
// In jointSuppressionReport mode, unmatched suppressions are
|
|
// collected after all files are processed
|
|
if (!_settings.jointSuppressionReport && (_settings.isEnabled(Settings::INFORMATION) || _settings.checkConfiguration)) {
|
|
reportUnmatchedSuppressions(_settings.nomsg.getUnmatchedLocalSuppressions(filename, isUnusedFunctionCheckEnabled()));
|
|
}
|
|
|
|
_errorList.clear();
|
|
if (internalErrorFound && (exitcode==0)) {
|
|
exitcode=1;
|
|
}
|
|
return exitcode;
|
|
}
|
|
|
|
void CppCheck::internalError(const std::string &filename, const std::string &msg)
|
|
{
|
|
const std::string fixedpath = Path::toNativeSeparators(filename);
|
|
const std::string fullmsg("Bailing out from checking " + fixedpath + " since there was an internal error: " + msg);
|
|
|
|
if (_settings.isEnabled(Settings::INFORMATION)) {
|
|
const ErrorLogger::ErrorMessage::FileLocation loc1(filename, 0);
|
|
std::list<ErrorLogger::ErrorMessage::FileLocation> callstack;
|
|
callstack.push_back(loc1);
|
|
|
|
ErrorLogger::ErrorMessage errmsg(callstack,
|
|
emptyString,
|
|
Severity::information,
|
|
fullmsg,
|
|
"internalError",
|
|
false);
|
|
|
|
_errorLogger.reportErr(errmsg);
|
|
} else {
|
|
// Report on stdout
|
|
_errorLogger.reportOut(fullmsg);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
// CppCheck - A function that checks a raw token list
|
|
//---------------------------------------------------------------------------
|
|
void CppCheck::checkRawTokens(const Tokenizer &tokenizer)
|
|
{
|
|
// Execute rules for "raw" code
|
|
executeRules("raw", tokenizer);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
// CppCheck - A function that checks a normal token list
|
|
//---------------------------------------------------------------------------
|
|
|
|
void CppCheck::checkNormalTokens(const Tokenizer &tokenizer)
|
|
{
|
|
// call all "runChecks" in all registered Check classes
|
|
for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it) {
|
|
if (_settings.terminated())
|
|
return;
|
|
|
|
if (tokenizer.isMaxTime())
|
|
return;
|
|
|
|
Timer timerRunChecks((*it)->name() + "::runChecks", _settings.showtime, &S_timerResults);
|
|
(*it)->runChecks(&tokenizer, &_settings, this);
|
|
}
|
|
|
|
// Analyse the tokens..
|
|
for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it) {
|
|
Check::FileInfo *fi = (*it)->getFileInfo(&tokenizer, &_settings);
|
|
if (fi != nullptr) {
|
|
fileInfo.push_back(fi);
|
|
analyzerInformation.setFileInfo((*it)->name(), fi->toString());
|
|
}
|
|
}
|
|
|
|
executeRules("normal", tokenizer);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
// CppCheck - A function that checks a simplified token list
|
|
//---------------------------------------------------------------------------
|
|
|
|
void CppCheck::checkSimplifiedTokens(const Tokenizer &tokenizer)
|
|
{
|
|
// call all "runSimplifiedChecks" in all registered Check classes
|
|
for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it) {
|
|
if (_settings.terminated())
|
|
return;
|
|
|
|
if (tokenizer.isMaxTime())
|
|
return;
|
|
|
|
Timer timerSimpleChecks((*it)->name() + "::runSimplifiedChecks", _settings.showtime, &S_timerResults);
|
|
(*it)->runSimplifiedChecks(&tokenizer, &_settings, this);
|
|
timerSimpleChecks.Stop();
|
|
}
|
|
|
|
if (!_settings.terminated())
|
|
executeRules("simple", tokenizer);
|
|
}
|
|
|
|
void CppCheck::executeRules(const std::string &tokenlist, const Tokenizer &tokenizer)
|
|
{
|
|
(void)tokenlist;
|
|
(void)tokenizer;
|
|
|
|
#ifdef HAVE_RULES
|
|
// Are there rules to execute?
|
|
bool isrule = false;
|
|
for (std::list<Settings::Rule>::const_iterator it = _settings.rules.begin(); it != _settings.rules.end(); ++it) {
|
|
if (it->tokenlist == tokenlist)
|
|
isrule = true;
|
|
}
|
|
|
|
// There is no rule to execute
|
|
if (isrule == false)
|
|
return;
|
|
|
|
// Write all tokens in a string that can be parsed by pcre
|
|
std::ostringstream ostr;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next())
|
|
ostr << " " << tok->str();
|
|
const std::string str(ostr.str());
|
|
|
|
for (std::list<Settings::Rule>::const_iterator it = _settings.rules.begin(); it != _settings.rules.end(); ++it) {
|
|
const Settings::Rule &rule = *it;
|
|
if (rule.pattern.empty() || rule.id.empty() || rule.severity == Severity::none || rule.tokenlist != tokenlist)
|
|
continue;
|
|
|
|
const char *error = nullptr;
|
|
int erroffset = 0;
|
|
pcre *re = pcre_compile(rule.pattern.c_str(),0,&error,&erroffset,nullptr);
|
|
if (!re) {
|
|
if (error) {
|
|
ErrorLogger::ErrorMessage errmsg(std::list<ErrorLogger::ErrorMessage::FileLocation>(),
|
|
emptyString,
|
|
Severity::error,
|
|
error,
|
|
"pcre_compile",
|
|
false);
|
|
|
|
reportErr(errmsg);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
int pos = 0;
|
|
int ovector[30]= {0};
|
|
while (pos < (int)str.size() && 0 <= pcre_exec(re, nullptr, str.c_str(), (int)str.size(), pos, 0, ovector, 30)) {
|
|
const unsigned int pos1 = (unsigned int)ovector[0];
|
|
const unsigned int pos2 = (unsigned int)ovector[1];
|
|
|
|
// jump to the end of the match for the next pcre_exec
|
|
pos = (int)pos2;
|
|
|
|
// determine location..
|
|
ErrorLogger::ErrorMessage::FileLocation loc;
|
|
loc.setfile(tokenizer.list.getSourceFilePath());
|
|
loc.line = 0;
|
|
|
|
std::size_t len = 0;
|
|
for (const Token *tok = tokenizer.tokens(); tok; tok = tok->next()) {
|
|
len = len + 1U + tok->str().size();
|
|
if (len > pos1) {
|
|
loc.setfile(tokenizer.list.getFiles().at(tok->fileIndex()));
|
|
loc.line = tok->linenr();
|
|
break;
|
|
}
|
|
}
|
|
|
|
const std::list<ErrorLogger::ErrorMessage::FileLocation> callStack(1, loc);
|
|
|
|
// Create error message
|
|
std::string summary;
|
|
if (rule.summary.empty())
|
|
summary = "found '" + str.substr(pos1, pos2 - pos1) + "'";
|
|
else
|
|
summary = rule.summary;
|
|
const ErrorLogger::ErrorMessage errmsg(callStack, tokenizer.list.getSourceFilePath(), rule.severity, summary, rule.id, false);
|
|
|
|
// Report error
|
|
reportErr(errmsg);
|
|
}
|
|
|
|
pcre_free(re);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
Settings &CppCheck::settings()
|
|
{
|
|
return _settings;
|
|
}
|
|
|
|
void CppCheck::tooManyConfigsError(const std::string &file, const std::size_t numberOfConfigurations)
|
|
{
|
|
if (!_settings.isEnabled(Settings::INFORMATION) && !tooManyConfigs)
|
|
return;
|
|
|
|
tooManyConfigs = false;
|
|
|
|
if (_settings.isEnabled(Settings::INFORMATION) && file.empty())
|
|
return;
|
|
|
|
std::list<ErrorLogger::ErrorMessage::FileLocation> loclist;
|
|
if (!file.empty()) {
|
|
ErrorLogger::ErrorMessage::FileLocation location;
|
|
location.setfile(file);
|
|
loclist.push_back(location);
|
|
}
|
|
|
|
std::ostringstream msg;
|
|
msg << "Too many #ifdef configurations - cppcheck only checks " << _settings.maxConfigs;
|
|
if (numberOfConfigurations > _settings.maxConfigs)
|
|
msg << " of " << numberOfConfigurations << " configurations. Use --force to check all configurations.\n";
|
|
if (file.empty())
|
|
msg << " configurations. Use --force to check all configurations. For more details, use --enable=information.\n";
|
|
msg << "The checking of the file will be interrupted because there are too many "
|
|
"#ifdef configurations. Checking of all #ifdef configurations can be forced "
|
|
"by --force command line option or from GUI preferences. However that may "
|
|
"increase the checking time.";
|
|
if (file.empty())
|
|
msg << " For more details, use --enable=information.";
|
|
|
|
|
|
ErrorLogger::ErrorMessage errmsg(loclist,
|
|
emptyString,
|
|
Severity::information,
|
|
msg.str(),
|
|
"toomanyconfigs", CWE398,
|
|
false);
|
|
|
|
reportErr(errmsg);
|
|
}
|
|
|
|
void CppCheck::purgedConfigurationMessage(const std::string &file, const std::string& configuration)
|
|
{
|
|
tooManyConfigs = false;
|
|
|
|
if (_settings.isEnabled(Settings::INFORMATION) && file.empty())
|
|
return;
|
|
|
|
std::list<ErrorLogger::ErrorMessage::FileLocation> loclist;
|
|
if (!file.empty()) {
|
|
ErrorLogger::ErrorMessage::FileLocation location;
|
|
location.setfile(file);
|
|
loclist.push_back(location);
|
|
}
|
|
|
|
ErrorLogger::ErrorMessage errmsg(loclist,
|
|
emptyString,
|
|
Severity::information,
|
|
"The configuration '" + configuration + "' was not checked because its code equals another one.",
|
|
"purgedConfiguration",
|
|
false);
|
|
|
|
reportErr(errmsg);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
void CppCheck::reportErr(const ErrorLogger::ErrorMessage &msg)
|
|
{
|
|
if (!_settings.library.reportErrors(msg.file0))
|
|
return;
|
|
|
|
const std::string errmsg = msg.toString(_settings.verbose);
|
|
if (errmsg.empty())
|
|
return;
|
|
|
|
// Alert only about unique errors
|
|
if (std::find(_errorList.begin(), _errorList.end(), errmsg) != _errorList.end())
|
|
return;
|
|
|
|
std::string file;
|
|
unsigned int line(0);
|
|
if (!msg._callStack.empty()) {
|
|
file = msg._callStack.back().getfile(false);
|
|
line = msg._callStack.back().line;
|
|
}
|
|
|
|
if (_useGlobalSuppressions) {
|
|
if (_settings.nomsg.isSuppressed(msg._id, file, line))
|
|
return;
|
|
} else {
|
|
if (_settings.nomsg.isSuppressedLocal(msg._id, file, line))
|
|
return;
|
|
}
|
|
|
|
if (!_settings.nofail.isSuppressed(msg._id, file, line) && !_settings.nomsg.isSuppressed(msg._id, file, line))
|
|
exitcode = 1;
|
|
|
|
_errorList.push_back(errmsg);
|
|
|
|
_errorLogger.reportErr(msg);
|
|
analyzerInformation.reportErr(msg, _settings.verbose);
|
|
if (!_settings.plistOutput.empty() && plistFile.is_open()) {
|
|
plistFile << ErrorLogger::plistData(msg);
|
|
}
|
|
}
|
|
|
|
void CppCheck::reportOut(const std::string &outmsg)
|
|
{
|
|
_errorLogger.reportOut(outmsg);
|
|
}
|
|
|
|
void CppCheck::reportProgress(const std::string &filename, const char stage[], const std::size_t value)
|
|
{
|
|
_errorLogger.reportProgress(filename, stage, value);
|
|
}
|
|
|
|
void CppCheck::reportInfo(const ErrorLogger::ErrorMessage &msg)
|
|
{
|
|
// Suppressing info message?
|
|
std::string file;
|
|
unsigned int line(0);
|
|
if (!msg._callStack.empty()) {
|
|
file = msg._callStack.back().getfile(false);
|
|
line = msg._callStack.back().line;
|
|
}
|
|
if (_useGlobalSuppressions) {
|
|
if (_settings.nomsg.isSuppressed(msg._id, file, line))
|
|
return;
|
|
} else {
|
|
if (_settings.nomsg.isSuppressedLocal(msg._id, file, line))
|
|
return;
|
|
}
|
|
|
|
_errorLogger.reportInfo(msg);
|
|
}
|
|
|
|
void CppCheck::reportStatus(unsigned int /*fileindex*/, unsigned int /*filecount*/, std::size_t /*sizedone*/, std::size_t /*sizetotal*/)
|
|
{
|
|
|
|
}
|
|
|
|
void CppCheck::getErrorMessages()
|
|
{
|
|
Settings s(_settings);
|
|
s.addEnabled("warning");
|
|
s.addEnabled("style");
|
|
s.addEnabled("portability");
|
|
s.addEnabled("performance");
|
|
s.addEnabled("information");
|
|
|
|
tooManyConfigs = true;
|
|
tooManyConfigsError("",0U);
|
|
|
|
// call all "getErrorMessages" in all registered Check classes
|
|
for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it)
|
|
(*it)->getErrorMessages(this, &s);
|
|
|
|
Preprocessor::getErrorMessages(this, &s);
|
|
}
|
|
|
|
void CppCheck::analyseWholeProgram()
|
|
{
|
|
// Analyse the tokens
|
|
for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it)
|
|
(*it)->analyseWholeProgram(fileInfo, _settings, *this);
|
|
}
|
|
|
|
void CppCheck::analyseWholeProgram(const std::string &buildDir, const std::map<std::string, std::size_t> &files)
|
|
{
|
|
(void)files;
|
|
if (buildDir.empty())
|
|
return;
|
|
if (_settings.isEnabled(Settings::UNUSED_FUNCTION))
|
|
CheckUnusedFunctions::analyseWholeProgram(this, buildDir);
|
|
std::list<Check::FileInfo*> fileInfoList;
|
|
|
|
// Load all analyzer info data..
|
|
const std::string filesTxt(buildDir + "/files.txt");
|
|
std::ifstream fin(filesTxt.c_str());
|
|
std::string filesTxtLine;
|
|
while (std::getline(fin, filesTxtLine)) {
|
|
const std::string::size_type firstColon = filesTxtLine.find(':');
|
|
if (firstColon == std::string::npos)
|
|
continue;
|
|
const std::string::size_type lastColon = filesTxtLine.rfind(':');
|
|
if (firstColon == lastColon)
|
|
continue;
|
|
const std::string xmlfile = buildDir + '/' + filesTxtLine.substr(0,firstColon);
|
|
//const std::string sourcefile = filesTxtLine.substr(lastColon+1);
|
|
|
|
tinyxml2::XMLDocument doc;
|
|
tinyxml2::XMLError error = doc.LoadFile(xmlfile.c_str());
|
|
if (error != tinyxml2::XML_SUCCESS)
|
|
continue;
|
|
|
|
const tinyxml2::XMLElement * const rootNode = doc.FirstChildElement();
|
|
if (rootNode == nullptr)
|
|
continue;
|
|
|
|
for (const tinyxml2::XMLElement *e = rootNode->FirstChildElement(); e; e = e->NextSiblingElement()) {
|
|
if (std::strcmp(e->Name(), "FileInfo") != 0)
|
|
continue;
|
|
const char *checkClassAttr = e->Attribute("check");
|
|
if (!checkClassAttr)
|
|
continue;
|
|
for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it) {
|
|
if (checkClassAttr == (*it)->name())
|
|
fileInfoList.push_back((*it)->loadFileInfoFromXml(e));
|
|
}
|
|
}
|
|
}
|
|
|
|
// Analyse the tokens
|
|
for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it)
|
|
(*it)->analyseWholeProgram(fileInfoList, _settings, *this);
|
|
|
|
for (std::list<Check::FileInfo*>::iterator fi = fileInfoList.begin(); fi != fileInfoList.end(); ++fi)
|
|
delete(*fi);
|
|
}
|
|
|
|
bool CppCheck::isUnusedFunctionCheckEnabled() const
|
|
{
|
|
return (_settings.jobs == 1 && _settings.isEnabled(Settings::UNUSED_FUNCTION));
|
|
}
|