ClangExecutableVersion clangExecutableVersion(const QString &executable)
{
const ClangExecutableVersion invalidVersion;
// Sanity checks
const QFileInfo fileInfo(executable);
const bool isExecutableFile = fileInfo.isFile() && fileInfo.isExecutable();
if (!isExecutableFile)
return invalidVersion;
// Get version output
Utils::Environment environment = Utils::Environment::systemEnvironment();
Utils::Environment::setupEnglishOutput(&environment);
Utils::SynchronousProcess runner;
runner.setEnvironment(environment.toStringList());
runner.setTimeoutS(10);
// We would prefer "-dumpversion", but that one returns some old version number.
const QStringList arguments(QLatin1String(("--version")));
const Utils::SynchronousProcessResponse response = runner.runBlocking(executable, arguments);
if (response.result != Utils::SynchronousProcessResponse::Finished)
return invalidVersion;
const QString output = response.stdOut();
// Parse version output
const QRegularExpression re(QLatin1String("clang version (\\d+)\\.(\\d+)\\.(\\d+)"));
const QRegularExpressionMatch reMatch = re.match(output);
if (re.captureCount() != 3)
return invalidVersion;
const QString majorString = reMatch.captured(1);
bool convertedSuccessfully = false;
const int major = majorString.toInt(&convertedSuccessfully);
if (!convertedSuccessfully)
return invalidVersion;
const QString minorString = reMatch.captured(2);
const int minor = minorString.toInt(&convertedSuccessfully);
if (!convertedSuccessfully)
return invalidVersion;
const QString patchString = reMatch.captured(3);
const int patch = patchString.toInt(&convertedSuccessfully);
if (!convertedSuccessfully)
return invalidVersion;
return ClangExecutableVersion(major, minor, patch);
}
void TCommandLine::handleTabCompletion(bool direction)
{
if ((mTabCompletionCount < 0) || (mUserKeptOnTyping)) {
mTabCompletionTyped = toPlainText();
if (mTabCompletionTyped.size() == 0) {
return;
}
mUserKeptOnTyping = false;
mTabCompletionCount = -1;
}
int amount = mpHost->mpConsole->buffer.size();
if (amount > 500) {
amount = 500;
}
QStringList bufferList = mpHost->mpConsole->buffer.getEndLines(amount);
QString buffer = bufferList.join(QChar::Space);
buffer.replace(QChar(0x21af), QChar::LineFeed);
buffer.replace(QChar::LineFeed, QChar::Space);
QStringList wordList = buffer.split(QRegularExpression(QStringLiteral(R"(\b)"), QRegularExpression::UseUnicodePropertiesOption), QString::SkipEmptyParts);
if (direction) {
mTabCompletionCount++;
} else {
mTabCompletionCount--;
}
if (!wordList.empty()) {
if (mTabCompletionTyped.endsWith(QChar::Space)) {
return;
}
QString lastWord;
QRegularExpression reg = QRegularExpression(QStringLiteral(R"(\b(\w+)$)"), QRegularExpression::UseUnicodePropertiesOption);
QRegularExpressionMatch match = reg.match(mTabCompletionTyped);
int typePosition = match.capturedStart();
if (reg.captureCount() >= 1) {
lastWord = match.captured(1);
} else {
lastWord = QString();
}
QStringList filterList = wordList.filter(QRegularExpression(QStringLiteral(R"(^%1\w+)").arg(lastWord), QRegularExpression::CaseInsensitiveOption | QRegularExpression::UseUnicodePropertiesOption));
if (filterList.empty()) {
return;
}
int offset = 0;
for (;;) {
QString tmp = filterList.back();
filterList.removeAll(tmp);
filterList.insert(offset, tmp);
++offset;
if (offset >= filterList.size()) {
break;
}
}
if (!filterList.empty()) {
if (mTabCompletionCount >= filterList.size()) {
mTabCompletionCount = filterList.size() - 1;
}
if (mTabCompletionCount < 0) {
mTabCompletionCount = 0;
}
QString proposal = filterList[mTabCompletionCount];
QString userWords = mTabCompletionTyped.left(typePosition);
setPlainText(QString(userWords + proposal).trimmed());
moveCursor(QTextCursor::End, QTextCursor::MoveAnchor);
mTabCompletionOld = toPlainText();
}
}
}