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CMakeParser: Get rid of the std::optional holding a container

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There is no need to enclose a container inside the std::optional,
as if the container is empty, it indicates that no values are in.
Holding optional for a container class may lead to the confusing
behavior, that the optional itself isn't empty, but holding an
empty container.

Instead, introduce a m_callStackDetected flag.

Task-number: QTCREATORBUG-29965
Change-Id: If8d43e0633286c076e3da436eb61114aa68f4c35
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
This commit is contained in:
Jarek Kobus
2025-01-03 11:21:39 +01:00
parent 9a8f5b687e
commit b727460ff5
2 changed files with 23 additions and 21 deletions
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41
src/plugins/cmakeprojectmanager/cmakeoutputparser.cpp
View File

@@ -129,20 +129,20 @@ OutputLineParser::Result CMakeOutputParser::handleLine(const QString &line, Outp
m_errorOrWarningLine.function = match.captured(4);
return {Status::InProgress, linkSpecs};
}
else if (trimmedLine.startsWith(QLatin1String(" ")) && !m_lastTask.isNull() && !m_callStack) {
if (m_skippedFirstEmptyLine)
m_lastTask.details.append(QString());
m_lastTask.details.append(trimmedLine.mid(2));
return Status::InProgress;
} else if (trimmedLine.startsWith(QLatin1String(" ")) && !m_lastTask.isNull()) {
match = m_sourceLineAndFunction.match(trimmedLine);
if (match.hasMatch()) {
CallStackLine stackLine;
stackLine.file = absoluteFilePath(resolvePath(match.captured(1)));
stackLine.line = match.captured(2).toInt();
stackLine.function = match.captured(3);
m_callStack.value() << stackLine;
if (m_callStackDetected) {
match = m_sourceLineAndFunction.match(trimmedLine);
if (match.hasMatch()) {
CallStackLine stackLine;
stackLine.file = absoluteFilePath(resolvePath(match.captured(1)));
stackLine.line = match.captured(2).toInt();
stackLine.function = match.captured(3);
m_callStack << stackLine;
}
} else {
if (m_skippedFirstEmptyLine)
m_lastTask.details.append(QString());
m_lastTask.details.append(trimmedLine.mid(2));
}
return {Status::InProgress};
} else if (trimmedLine.endsWith(QLatin1String("in cmake code at"))) {
@@ -160,7 +160,7 @@ OutputLineParser::Result CMakeOutputParser::handleLine(const QString &line, Outp
// Do not pass on lines starting with "-- " or "* ". Those are typical CMake output
return Status::InProgress;
} else if (trimmedLine.startsWith("Call Stack (most recent call first):")) {
m_callStack = QList<CallStackLine>();
m_callStackDetected = true;
return {Status::InProgress};
}
return Status::NotHandled;
@@ -214,19 +214,19 @@ void CMakeOutputParser::flush()
t.summary = t.details.takeFirst();
m_lines += t.details.count();
if (m_callStack.has_value() && !m_callStack.value().isEmpty()) {
t.file = m_callStack.value().last().file;
t.line = m_callStack.value().last().line;
if (!m_callStack.isEmpty()) {
t.file = m_callStack.last().file;
t.line = m_callStack.last().line;
LinkSpecs specs;
t.details << QString();
t.details << Tr::tr("Call stack:");
m_lines += 2;
m_callStack->push_front(m_errorOrWarningLine);
m_callStack.push_front(m_errorOrWarningLine);
int offset = t.details.join('\n').size();
Utils::reverseForeach(m_callStack.value(), [&](const auto &line) {
Utils::reverseForeach(m_callStack, [&](const auto &line) {
const QString fileAndLine = QString("%1:%2").arg(line.file.path()).arg(line.line);
const QString completeLine = QString(" %1%2").arg(fileAndLine).arg(line.function);
@@ -247,7 +247,8 @@ void CMakeOutputParser::flush()
scheduleTask(t, m_lines, 1);
m_lines = 0;
m_callStack.reset();
m_callStack.clear();
m_callStackDetected = false;
}
} // CMakeProjectManager

3
src/plugins/cmakeprojectmanager/cmakeoutputparser.h
View File

@@ -49,7 +49,8 @@ private:
int line = -1;
QString function;
};
std::optional<QList<CallStackLine>> m_callStack;
QList<CallStackLine> m_callStack;
bool m_callStackDetected = false;
CallStackLine m_errorOrWarningLine;
};