Utils::Environment MsvcToolChain::readEnvironmentSetting(Utils::Environment& env) const
{
Utils::Environment result = env;
if (!QFileInfo::exists(m_vcvarsBat))
return result;
QMap<QString, QString> envPairs;
if (!generateEnvironmentSettings(env, m_vcvarsBat, m_varsBatArg, envPairs))
return result;
// Now loop through and process them
QMap<QString,QString>::const_iterator envIter;
for (envIter = envPairs.constBegin(); envIter!=envPairs.constEnd(); ++envIter) {
const QString expandedValue = winExpandDelayedEnvReferences(envIter.value(), env);
if (!expandedValue.isEmpty())
result.set(envIter.key(), expandedValue);
}
if (debug) {
const QStringList newVars = result.toStringList();
const QStringList oldVars = env.toStringList();
QDebug nsp = qDebug().nospace();
foreach (const QString &n, newVars) {
if (!oldVars.contains(n))
nsp << n << '\n';
}
}
return result;
}
static Utils::Environment msvcReadEnvironmentSetting(const QString &varsBat,
const QString &args,
const Utils::Environment &env)
{
// Run the setup script and extract the variables
Utils::Environment result = env;
if (!QFileInfo(varsBat).exists())
return result;
const QString tempOutputFileName = QDir::tempPath() + QLatin1String("\\qtcreator-msvc-environment.txt");
Utils::TempFileSaver saver(QDir::tempPath() + "\\XXXXXX.bat");
QByteArray call = "call ";
call += Utils::QtcProcess::quoteArg(varsBat).toLocal8Bit();
if (!args.isEmpty()) {
call += ' ';
call += args.toLocal8Bit();
}
call += "\r\n";
saver.write(call);
const QByteArray redirect = "set > " + Utils::QtcProcess::quoteArg(
QDir::toNativeSeparators(tempOutputFileName)).toLocal8Bit() + "\r\n";
saver.write(redirect);
if (!saver.finalize()) {
qWarning("%s: %s", Q_FUNC_INFO, qPrintable(saver.errorString()));
return result;
}
Utils::QtcProcess run;
run.setEnvironment(env);
const QString cmdPath = QString::fromLocal8Bit(qgetenv("COMSPEC"));
// Windows SDK setup scripts require command line switches for environment expansion.
QString cmdArguments = QLatin1String(" /E:ON /V:ON /c \"");
cmdArguments += QDir::toNativeSeparators(saver.fileName());
cmdArguments += QLatin1Char('"');
run.setCommand(cmdPath, cmdArguments);
if (debug)
qDebug() << "msvcReadEnvironmentSetting: " << call << cmdPath << cmdArguments
<< " Env: " << env.size();
run.start();
if (!run.waitForStarted()) {
qWarning("%s: Unable to run '%s': %s", Q_FUNC_INFO, qPrintable(varsBat),
qPrintable(run.errorString()));
return result;
}
if (!run.waitForFinished()) {
qWarning("%s: Timeout running '%s'", Q_FUNC_INFO, qPrintable(varsBat));
Utils::SynchronousProcess::stopProcess(run);
return result;
}
QFile varsFile(tempOutputFileName);
if (!varsFile.open(QIODevice::ReadOnly|QIODevice::Text))
return result;
QRegExp regexp(QLatin1String("(\\w*)=(.*)"));
while (!varsFile.atEnd()) {
const QString line = QString::fromLocal8Bit(varsFile.readLine()).trimmed();
if (regexp.exactMatch(line)) {
const QString varName = regexp.cap(1);
const QString expandedValue = winExpandDelayedEnvReferences(regexp.cap(2), env);
if (!expandedValue.isEmpty())
result.set(varName, expandedValue);
}
}
varsFile.close();
varsFile.remove();
if (debug) {
const QStringList newVars = result.toStringList();
const QStringList oldVars = env.toStringList();
QDebug nsp = qDebug().nospace();
foreach (const QString &n, newVars) {
if (!oldVars.contains(n))
nsp << n << '\n';
}
}
return result;
}
