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cppcheck
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Clang import: Better bailout for syntax errors when build dir is not used

This commit is contained in:
Daniel Marjamäki 2020-04-22 10:27:29 +02:00
parent e8c5c2b154
commit 387f0a268b
1 changed files with 55 additions and 34 deletions
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89
lib/cppcheck.cpp
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@ -268,6 +268,50 @@ const char * CppCheck::extraVersion()
return ExtraVersion;
}
static bool reportClangErrors(std::istream &is, std::function<void(const ErrorLogger::ErrorMessage&)> reportErr)
{
std::string line;
while (std::getline(is, line)) {
if (line.empty() || line[0] == ' ' || line[0] == '`' || line[0] == '-')
continue;
std::string::size_type pos3 = line.find(": error: ");
if (pos3 == std::string::npos)
pos3 = line.find(": fatal error:");
if (pos3 == std::string::npos)
continue;
// file:line:column: error: ....
const std::string::size_type pos2 = line.rfind(":", pos3 - 1);
const std::string::size_type pos1 = line.rfind(":", pos2 - 1);
if (pos1 >= pos2 || pos2 >= pos3)
continue;
const std::string filename = line.substr(0, pos1);
const std::string linenr = line.substr(pos1+1, pos2-pos1-1);
const std::string colnr = line.substr(pos2+1, pos3-pos2-1);
const std::string msg = line.substr(line.find(":", pos3+1) + 2);
std::list<ErrorLogger::ErrorMessage::FileLocation> locationList;
ErrorLogger::ErrorMessage::FileLocation loc;
loc.setfile(Path::toNativeSeparators(filename));
loc.line = std::atoi(linenr.c_str());
loc.column = std::atoi(colnr.c_str());
locationList.push_back(loc);
ErrorLogger::ErrorMessage errmsg(locationList,
loc.getfile(),
Severity::error,
msg,
"syntaxError",
false);
reportErr(errmsg);
return true;
}
return false;
}
unsigned int CppCheck::check(const std::string &path)
{
if (mSettings.clang) {
@ -319,41 +363,18 @@ unsigned int CppCheck::check(const std::string &path)
// Ensure there are not syntax errors...
if (!mSettings.buildDir.empty()) {
std::ifstream fin(clangStderr);
while (std::getline(fin, line)) {
std::string::size_type pos3 = line.find(": error: ");
if (pos3 == std::string::npos)
pos3 = line.find(": fatal error:");
if (pos3 == std::string::npos)
continue;
// file:line:column: error: ....
const std::string::size_type pos2 = line.rfind(":", pos3 - 1);
const std::string::size_type pos1 = line.rfind(":", pos2 - 1);
if (pos1 >= pos2 || pos2 >= pos3)
continue;
const std::string filename = line.substr(0, pos1);
const std::string linenr = line.substr(pos1+1, pos2-pos1-1);
const std::string colnr = line.substr(pos2+1, pos3-pos2-1);
const std::string msg = line.substr(line.find(":", pos3+1) + 2);
std::list<ErrorLogger::ErrorMessage::FileLocation> locationList;
ErrorLogger::ErrorMessage::FileLocation loc;
loc.setfile(Path::toNativeSeparators(filename));
loc.line = std::atoi(linenr.c_str());
loc.column = std::atoi(colnr.c_str());
locationList.push_back(loc);
ErrorLogger::ErrorMessage errmsg(locationList,
loc.getfile(),
Severity::error,
msg,
"syntaxError",
false);
reportErr(errmsg);
auto reportError = [this](const ErrorLogger::ErrorMessage& errorMessage) {
reportErr(errorMessage);
};
if (reportClangErrors(fin, reportError))
return 0;
} else {
std::istringstream istr(result2.second);
auto reportError = [this](const ErrorLogger::ErrorMessage& errorMessage) {
reportErr(errorMessage);
};
if (reportClangErrors(istr, reportError))
return 0;
}
}
//std::cout << "Checking Clang ast dump:\n" << result2.second << std::endl;