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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2025 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 "analyzerinfo.h"
#include "errorlogger.h"
#include "filesettings.h"
#include "path.h"
#include "utils.h"
#include <cstring>
#include <exception>
#include <map>
#include <sstream>
#include "xml.h"
AnalyzerInformation::~AnalyzerInformation()
{
close();
}
static std::string getFilename(const std::string &fullpath)
{
std::string::size_type pos1 = fullpath.find_last_of("/\\");
pos1 = (pos1 == std::string::npos) ? 0U : (pos1 + 1U);
std::string::size_type pos2 = fullpath.rfind('.');
if (pos2 < pos1)
pos2 = std::string::npos;
if (pos2 != std::string::npos)
pos2 = pos2 - pos1;
return fullpath.substr(pos1,pos2);
}
void AnalyzerInformation::writeFilesTxt(const std::string &buildDir, const std::list<std::string> &sourcefiles, const std::string &userDefines, const std::list<FileSettings> &fileSettings)
{
const std::string filesTxt(buildDir + "/files.txt");
std::ofstream fout(filesTxt);
fout << getFilesTxt(sourcefiles, userDefines, fileSettings);
}
std::string AnalyzerInformation::getFilesTxt(const std::list<std::string> &sourcefiles, const std::string &userDefines, const std::list<FileSettings> &fileSettings) {
std::ostringstream ret;
std::map<std::string, unsigned int> fileCount;
for (const std::string &f : sourcefiles) {
const std::string afile = getFilename(f);
ret << afile << ".a" << (++fileCount[afile]) << sep << sep << sep << Path::simplifyPath(f) << '\n';
if (!userDefines.empty())
ret << afile << ".a" << (++fileCount[afile]) << sep << userDefines << sep << sep << Path::simplifyPath(f) << '\n';
}
for (const FileSettings &fs : fileSettings) {
const std::string afile = getFilename(fs.filename());
const std::string id = fs.fileIndex > 0 ? std::to_string(fs.fileIndex) : "";
ret << afile << ".a" << (++fileCount[afile]) << sep << fs.cfg << sep << id << sep << Path::simplifyPath(fs.filename()) << std::endl;
}
return ret.str();
}
void AnalyzerInformation::close()
{
mAnalyzerInfoFile.clear();
if (mOutputStream.is_open()) {
mOutputStream << "</analyzerinfo>\n";
mOutputStream.close();
}
}
bool AnalyzerInformation::skipAnalysis(const tinyxml2::XMLDocument &analyzerInfoDoc, std::size_t hash, std::list<ErrorMessage> &errors)
{
const tinyxml2::XMLElement * const rootNode = analyzerInfoDoc.FirstChildElement();
if (rootNode == nullptr)
return false;
const char *attr = rootNode->Attribute("hash");
if (!attr || attr != std::to_string(hash))
return false;
// Check for invalid license error or internal error, in which case we should retry analysis
for (const tinyxml2::XMLElement *e = rootNode->FirstChildElement(); e; e = e->NextSiblingElement()) {
if (std::strcmp(e->Name(), "error") == 0 &&
(e->Attribute("id", "premium-invalidLicense") ||
e->Attribute("id", "premium-internalError") ||
e->Attribute("id", "internalError")
))
return false;
}
for (const tinyxml2::XMLElement *e = rootNode->FirstChildElement(); e; e = e->NextSiblingElement()) {
if (std::strcmp(e->Name(), "error") == 0)
errors.emplace_back(e);
}
return true;
}
std::string AnalyzerInformation::getAnalyzerInfoFileFromFilesTxt(std::istream& filesTxt, const std::string &sourcefile, const std::string &cfg, int fileIndex)
{
const std::string id = (fileIndex > 0) ? std::to_string(fileIndex) : "";
std::string line;
const std::string end(sep + cfg + sep + id + sep + Path::simplifyPath(sourcefile));
while (std::getline(filesTxt,line)) {
if (line.size() <= end.size() + 2U)
continue;
if (!endsWith(line, end.c_str(), end.size()))
continue;
return line.substr(0,line.find(sep));
}
return "";
}
std::string AnalyzerInformation::getAnalyzerInfoFile(const std::string &buildDir, const std::string &sourcefile, const std::string &cfg, int fileIndex)
{
std::ifstream fin(Path::join(buildDir, "files.txt"));
if (fin.is_open()) {
const std::string& ret = getAnalyzerInfoFileFromFilesTxt(fin, sourcefile, cfg, fileIndex);
if (!ret.empty())
return Path::join(buildDir, ret);
}
const std::string::size_type pos = sourcefile.rfind('/');
std::string filename;
if (pos == std::string::npos)
filename = sourcefile;
else
filename = sourcefile.substr(pos + 1);
return Path::join(buildDir, filename) + ".analyzerinfo";
}
bool AnalyzerInformation::analyzeFile(const std::string &buildDir, const std::string &sourcefile, const std::string &cfg, int fileIndex, std::size_t hash, std::list<ErrorMessage> &errors)
{
if (buildDir.empty() || sourcefile.empty())
return true;
close();
mAnalyzerInfoFile = AnalyzerInformation::getAnalyzerInfoFile(buildDir,sourcefile,cfg,fileIndex);
tinyxml2::XMLDocument analyzerInfoDoc;
const tinyxml2::XMLError xmlError = analyzerInfoDoc.LoadFile(mAnalyzerInfoFile.c_str());
if (xmlError == tinyxml2::XML_SUCCESS && skipAnalysis(analyzerInfoDoc, hash, errors))
return false;
mOutputStream.open(mAnalyzerInfoFile);
if (mOutputStream.is_open()) {
mOutputStream << "<?xml version=\"1.0\"?>\n";
mOutputStream << "<analyzerinfo hash=\"" << hash << "\">\n";
} else {
mAnalyzerInfoFile.clear();
}
return true;
}
void AnalyzerInformation::reportErr(const ErrorMessage &msg)
{
if (mOutputStream.is_open())
mOutputStream << msg.toXML() << '\n';
}
void AnalyzerInformation::setFileInfo(const std::string &check, const std::string &fileInfo)
{
if (mOutputStream.is_open() && !fileInfo.empty())
mOutputStream << " <FileInfo check=\"" << check << "\">\n" << fileInfo << " </FileInfo>\n";
}
bool AnalyzerInformation::Info::parse(const std::string& filesTxtLine) {
const std::string::size_type sep1 = filesTxtLine.find(sep);
if (sep1 == std::string::npos)
return false;
const std::string::size_type sep2 = filesTxtLine.find(sep, sep1+1);
if (sep2 == std::string::npos)
return false;
const std::string::size_type sep3 = filesTxtLine.find(sep, sep2+1);
if (sep3 == std::string::npos)
return false;
if (sep3 == sep2 + 1)
fileIndex = 0;
else {
try {
fileIndex = std::stoi(filesTxtLine.substr(sep2+1, sep3-sep2-1));
} catch (const std::exception&) {
return false;
}
}
afile = filesTxtLine.substr(0, sep1);
cfg = filesTxtLine.substr(sep1+1, sep2-sep1-1);
sourceFile = filesTxtLine.substr(sep3+1);
return true;
}
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