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debugger: move breakpoint marker to the line where the breakpoint will be

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actually hit
This commit is contained in:
hjk
2010-03-26 10:29:19 +01:00
parent 68f916b752
commit 0f1b718359
5 changed files with 127 additions and 70 deletions
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81
src/plugins/debugger/breakhandler.cpp
View File

@@ -124,9 +124,9 @@ public:
return;
//if (m_data->markerLineNumber == lineNumber)
// return;
if (m_data->markerLineNumber != lineNumber) {
m_data->markerLineNumber = lineNumber;
// FIXME: should we tell gdb about the change?
if (m_data->markerLineNumber() != lineNumber) {
m_data->setMarkerLineNumber(lineNumber);
// FIXME: Should we tell gdb about the change?
// Ignore it for now, as we would require re-compilation
// and debugger re-start anyway.
if (0 && !m_data->bpLineNumber.isEmpty()) {
@@ -135,9 +135,15 @@ public:
}
}
}
// Ignore updates to the "real" line number while the debugger is
// running, as this can be triggered by moving the breakpoint to
// the next line that generated code.
// FIXME: Do we need yet another data member?
if (m_data->bpNumber.trimmed().isEmpty()) {
m_data->lineNumber = QByteArray::number(lineNumber);
m_data->handler()->updateMarkers();
}
}
private:
BreakpointData *m_data;
@@ -163,7 +169,7 @@ BreakpointData::BreakpointData(BreakHandler *handler)
enabled = true;
pending = true;
marker = 0;
markerLineNumber = 0;
m_markerLineNumber = 0;
bpMultiple = false;
//#if defined(Q_OS_MAC)
// // full names do not work on Mac/MI
@@ -189,26 +195,36 @@ void BreakpointData::removeMarker()
void BreakpointData::updateMarker()
{
if (marker && (markerFileName != marker->fileName()
|| markerLineNumber != marker->lineNumber()))
if (marker && (m_markerFileName != marker->fileName()
|| m_markerLineNumber != marker->lineNumber()))
removeMarker();
if (!marker && !markerFileName.isEmpty() && markerLineNumber > 0)
marker = new BreakpointMarker(this, markerFileName, markerLineNumber);
if (!marker && !m_markerFileName.isEmpty() && m_markerLineNumber > 0)
marker = new BreakpointMarker(this, m_markerFileName, m_markerLineNumber);
if (marker)
marker->setPending(pending, enabled);
}
void BreakpointData::setMarkerFileName(const QString &fileName)
{
m_markerFileName = fileName;
}
void BreakpointData::setMarkerLineNumber(int lineNumber)
{
m_markerLineNumber = lineNumber;
}
QString BreakpointData::toToolTip() const
{
QString rc;
QTextStream str(&rc);
str << "<html><body><table>"
<< "<tr><td>" << BreakHandler::tr("Marker File:")
<< "</td><td>" << markerFileName << "</td></tr>"
<< "</td><td>" << m_markerFileName << "</td></tr>"
<< "<tr><td>" << BreakHandler::tr("Marker Line:")
<< "</td><td>" << markerLineNumber << "</td></tr>"
<< "</td><td>" << m_markerLineNumber << "</td></tr>"
<< "<tr><td>" << BreakHandler::tr("Breakpoint Number:")
<< "</td><td>" << bpNumber << "</td></tr>"
<< "<tr><td>" << BreakHandler::tr("Breakpoint Address:")
@@ -226,8 +242,7 @@ QString BreakpointData::toToolTip() const
<< "<tr><td>" << BreakHandler::tr("Line Number:")
<< "</td><td>" << lineNumber << "</td><td>" << bpLineNumber << "</td></tr>"
<< "<tr><td>" << BreakHandler::tr("Corrected Line Number:")
<< "</td><td>" << lineNumber
<< "</td><td>" << bpCorrectedLineNumber << "</td></tr>"
<< "</td><td>-</td><td>" << bpCorrectedLineNumber << "</td></tr>"
<< "<tr><td>" << BreakHandler::tr("Condition:")
<< "</td><td>" << condition << "</td><td>" << bpCondition << "</td></tr>"
<< "<tr><td>" << BreakHandler::tr("Ignore Count:")
@@ -240,8 +255,8 @@ QString BreakpointData::toString() const
{
QString rc;
QTextStream str(&rc);
str << BreakHandler::tr("Marker File:") << markerFileName << ' '
<< BreakHandler::tr("Marker Line:") << markerLineNumber << ' '
str << BreakHandler::tr("Marker File:") << m_markerFileName << ' '
<< BreakHandler::tr("Marker Line:") << m_markerLineNumber << ' '
<< BreakHandler::tr("Breakpoint Number:") << bpNumber << ' '
<< BreakHandler::tr("Breakpoint Address:") << bpAddress << '\n'
<< BreakHandler::tr("File Name:")
@@ -268,7 +283,8 @@ bool BreakpointData::isLocatedAt(const QString &fileName_, int lineNumber_) cons
return true;
return false;
*/
return lineNumber_ == markerLineNumber && fileNameMatch(fileName_, markerFileName);
return lineNumber_ == m_markerLineNumber
&& fileNameMatch(fileName_, m_markerFileName);
}
bool BreakpointData::conditionsMatch() const
@@ -343,7 +359,7 @@ void BreakHandler::clear()
m_inserted.clear();
}
int BreakHandler::findBreakpoint(const BreakpointData &needle)
int BreakHandler::findBreakpoint(const BreakpointData &needle) const
{
// Search a breakpoint we might refer to.
for (int index = 0; index != size(); ++index) {
@@ -360,7 +376,7 @@ int BreakHandler::findBreakpoint(const BreakpointData &needle)
return -1;
}
int BreakHandler::findBreakpoint(const QString &fileName, int lineNumber)
int BreakHandler::findBreakpoint(const QString &fileName, int lineNumber) const
{
for (int index = 0; index != size(); ++index)
if (at(index)->isLocatedAt(fileName, lineNumber))
@@ -368,15 +384,15 @@ int BreakHandler::findBreakpoint(const QString &fileName, int lineNumber)
return -1;
}
int BreakHandler::findBreakpoint(int bpNumber)
BreakpointData *BreakHandler::findBreakpoint(int bpNumber) const
{
if (!size())
return -1;
return 0;
QString numStr = QString::number(bpNumber);
for (int index = 0; index != size(); ++index)
if (at(index)->bpNumber == numStr)
return index;
return -1;
return at(index);
return 0;
}
void BreakHandler::saveBreakpoints()
@@ -433,8 +449,8 @@ void BreakHandler::loadBreakpoints()
v = map.value(QLatin1String("usefullpath"));
if (v.isValid())
data->useFullPath = bool(v.toInt());
data->markerFileName = data->fileName;
data->markerLineNumber = data->lineNumber.toInt();
data->setMarkerFileName(data->fileName);
data->setMarkerLineNumber(data->lineNumber.toInt());
append(data);
}
}
@@ -450,14 +466,15 @@ void BreakHandler::resetBreakpoints()
data->bpFuncName.clear();
data->bpFileName.clear();
data->bpLineNumber.clear();
data->bpCorrectedLineNumber.clear();
data->bpCondition.clear();
data->bpIgnoreCount.clear();
data->bpAddress.clear();
// Keep marker data if it was primary.
if (data->markerFileName != data->fileName)
data->markerFileName.clear();
if (data->markerLineNumber != data->lineNumber.toInt())
data->markerLineNumber = 0;
if (data->markerFileName() != data->fileName)
data->setMarkerFileName(QString());
if (data->markerLineNumber() != data->lineNumber.toInt())
data->setMarkerLineNumber(0);
}
m_enabled.clear();
m_disabled.clear();
@@ -696,8 +713,8 @@ void BreakHandler::setBreakpoint(const QString &fileName, int lineNumber)
data->fileName = fileName;
data->lineNumber = QByteArray::number(lineNumber);
data->pending = true;
data->markerFileName = fileName;
data->markerLineNumber = lineNumber;
data->setMarkerFileName(fileName);
data->setMarkerLineNumber(lineNumber);
append(data);
emit layoutChanged();
saveBreakpoints();
@@ -738,10 +755,10 @@ void BreakHandler::loadSessionData()
void BreakHandler::activateBreakpoint(int index)
{
const BreakpointData *data = at(index);
if (!data->markerFileName.isEmpty()) {
if (!data->markerFileName().isEmpty()) {
StackFrame frame;
frame.file = data->markerFileName;
frame.line = data->markerLineNumber;
frame.file = data->markerFileName();
frame.line = data->markerLineNumber();
m_manager->gotoLocation(frame, false);
}
}

18
src/plugins/debugger/breakhandler.h
View File

@@ -88,6 +88,7 @@ public:
QByteArray bpCondition; // Condition acknowledged by the debugger engine.
QByteArray bpIgnoreCount;// Ignore count acknowledged by the debugger engine.
QString bpFileName; // File name acknowledged by the debugger engine.
QString bpFullName; // Full file name acknowledged by the debugger engine.
QByteArray bpLineNumber; // Line number acknowledged by the debugger engine.
QByteArray bpCorrectedLineNumber; // Acknowledged by the debugger engine.
QString bpFuncName; // Function name acknowledged by the debugger engine.
@@ -95,9 +96,16 @@ public:
bool bpMultiple; // Happens in constructors/gdb.
bool bpEnabled; // Enable/disable command sent.
void setMarkerFileName(const QString &fileName);
QString markerFileName() const { return m_markerFileName; }
void setMarkerLineNumber(int lineNumber);
int markerLineNumber() const { return m_markerLineNumber; }
private:
// Taken from either user input or gdb responses.
QString markerFileName; // Used to locate the marker.
int markerLineNumber;
QString m_markerFileName; // Used to locate the marker.
int m_markerLineNumber;
// Our red blob in the editor.
BreakpointMarker *marker;
@@ -132,9 +140,9 @@ public:
void removeAt(int index); // This also deletes the marker.
void clear(); // This also deletes all the marker.
int indexOf(BreakpointData *data) { return m_bp.indexOf(data); }
int findBreakpoint(const QString &fileName, int lineNumber);
int findBreakpoint(const BreakpointData &data); // Returns index.
int findBreakpoint(int bpNumber); // Returns index.
int findBreakpoint(const QString &fileName, int lineNumber) const;
int findBreakpoint(const BreakpointData &data) const; // Returns index.
BreakpointData *findBreakpoint(int bpNumber) const;
void updateMarkers();
QList<BreakpointData *> insertedBreakpoints() const;

75
src/plugins/debugger/gdb/gdbengine.cpp
View File

@@ -2038,8 +2038,8 @@ void GdbEngine::breakpointDataFromOutput(BreakpointData *data, const GdbMi &bkpt
fullName = child.data();
} else if (child.hasName("line")) {
data->bpLineNumber = child.data();
if (child.data().toInt())
data->markerLineNumber = child.data().toInt();
if (child.data().toInt() && data->bpCorrectedLineNumber.isEmpty())
data->setMarkerLineNumber(child.data().toInt());
} else if (child.hasName("cond")) {
data->bpCondition = child.data();
// gdb 6.3 likes to "rewrite" conditions. Just accept that fact.
@@ -2067,8 +2067,10 @@ void GdbEngine::breakpointDataFromOutput(BreakpointData *data, const GdbMi &bkpt
QString name;
if (!fullName.isEmpty()) {
name = cleanupFullName(QFile::decodeName(fullName));
if (data->markerFileName.isEmpty())
data->markerFileName = name;
if (data->markerFileName().isEmpty()) {
qDebug() << "222" << name;
data->setMarkerFileName(name);
}
} else {
name = QFile::decodeName(file);
// Use fullName() once we have a mapping which is more complete than
@@ -2221,7 +2223,7 @@ void GdbEngine::handleBreakDisable(const GdbResponse &response)
void GdbEngine::handleBreakIgnore(const GdbResponse &response)
{
int index = response.cookie.toInt();
int bpNumber = response.cookie.toInt();
// gdb 6.8:
// ignore 2 0:
// ~"Will stop next time breakpoint 2 is reached.\n"
@@ -2233,9 +2235,9 @@ void GdbEngine::handleBreakIgnore(const GdbResponse &response)
//
// gdb 6.3 does not produce any console output
BreakHandler *handler = manager()->breakHandler();
if (response.resultClass == GdbResultDone && index < handler->size()) {
BreakpointData *data = handler->findBreakpoint(bpNumber);
if (response.resultClass == GdbResultDone && data) {
QString msg = _(response.data.findChild("consolestreamoutput").data());
BreakpointData *data = handler->at(index);
//if (msg.contains(__("Will stop next time breakpoint"))) {
// data->bpIgnoreCount = _("0");
//} else if (msg.contains(__("Will ignore next"))) {
@@ -2249,21 +2251,20 @@ void GdbEngine::handleBreakIgnore(const GdbResponse &response)
void GdbEngine::handleBreakCondition(const GdbResponse &response)
{
int index = response.cookie.toInt();
int bpNumber = response.cookie.toInt();
BreakHandler *handler = manager()->breakHandler();
BreakpointData *data = handler->findBreakpoint(bpNumber);
if (response.resultClass == GdbResultDone) {
// We just assume it was successful. Otherwise we had to parse
// the output stream data.
BreakpointData *data = handler->at(index);
//qDebug() << "HANDLE BREAK CONDITION" << index << data->condition;
//qDebug() << "HANDLE BREAK CONDITION" << bpNumber << data->condition;
data->bpCondition = data->condition;
} else {
QByteArray msg = response.data.findChild("msg").data();
// happens on Mac
if (1 || msg.startsWith("Error parsing breakpoint condition. "
" Will try again when we hit the breakpoint.")) {
BreakpointData *data = handler->at(index);
//qDebug() << "ERROR BREAK CONDITION" << index << data->condition;
//qDebug() << "ERROR BREAK CONDITION" << bpNumber << data->condition;
data->bpCondition = data->condition;
}
}
@@ -2316,8 +2317,11 @@ void GdbEngine::extractDataFromInfoBreak(const QString &output, BreakpointData *
// the marker in more cases.
if (data->fileName.endsWith(full))
full = data->fileName;
data->markerLineNumber = data->bpLineNumber.toInt();
data->markerFileName = full;
data->setMarkerLineNumber(data->bpLineNumber.toInt());
if (data->markerFileName().isEmpty()) {
qDebug() << "111";
data->setMarkerFileName(full);
}
data->bpFileName = full;
} else {
qDebug() << "COULD NOT MATCH " << re.pattern() << " AND " << output;
@@ -2327,16 +2331,35 @@ void GdbEngine::extractDataFromInfoBreak(const QString &output, BreakpointData *
void GdbEngine::handleBreakInfo(const GdbResponse &response)
{
int bpNumber = response.cookie.toInt();
BreakHandler *handler = manager()->breakHandler();
if (response.resultClass == GdbResultDone) {
// Old-style output for multiple breakpoints, presumably in a
// constructor.
int found = handler->findBreakpoint(bpNumber);
if (found != -1) {
const int bpNumber = response.cookie.toInt();
const BreakHandler *handler = manager()->breakHandler();
BreakpointData *data = handler->findBreakpoint(bpNumber);
if (data) {
QString str = QString::fromLocal8Bit(
response.data.findChild("consolestreamoutput").data());
extractDataFromInfoBreak(str, handler->at(found));
extractDataFromInfoBreak(str, data);
}
}
}
void GdbEngine::handleInfoLine(const GdbResponse &response)
{
if (response.resultClass == GdbResultDone) {
// Old-style output: "Line 1102 of \"simple/app.cpp\" starts
// at address 0x80526aa <_Z10...+131> and ends at 0x80526b5
// <_Z10testQStackv+142>.\n"
const int bpNumber = response.cookie.toInt();
const BreakHandler *handler = manager()->breakHandler();
BreakpointData *data = handler->findBreakpoint(bpNumber);
QByteArray ba = response.data.findChild("consolestreamoutput").data();
const int pos = ba.indexOf(' ', 5);
if (ba.startsWith("Line ") && pos != -1) {
const QByteArray line = ba.mid(5, pos - 5);
data->bpCorrectedLineNumber = line;
data->setMarkerLineNumber(line.toInt());
}
}
}
@@ -2412,7 +2435,7 @@ void GdbEngine::attemptBreakpointSynchronization()
foreach (BreakpointData *data, handler->takeRemovedBreakpoints()) {
QByteArray bpNumber = data->bpNumber;
debugMessage(_("DELETING BP " + bpNumber + " IN "
+ data->markerFileName.toLocal8Bit()));
+ data->markerFileName().toLocal8Bit()));
if (!bpNumber.trimmed().isEmpty())
postCommand("-break-delete " + bpNumber,
NeedsStop | RebuildBreakpointModel);
@@ -2435,14 +2458,14 @@ void GdbEngine::attemptBreakpointSynchronization()
// Update conditions if needed.
postCommand("condition " + data->bpNumber + ' ' + data->condition,
NeedsStop | RebuildBreakpointModel,
CB(handleBreakCondition), index);
CB(handleBreakCondition), data->bpNumber.toInt());
}
else // Because gdb won't do both changes at a time anyway.
if (data->ignoreCount != data->bpIgnoreCount) {
// Update ignorecount if needed.
postCommand("ignore " + data->bpNumber + ' ' + data->ignoreCount,
NeedsStop | RebuildBreakpointModel,
CB(handleBreakIgnore), index);
CB(handleBreakIgnore), data->bpNumber.toInt());
continue;
}
if (!data->enabled && data->bpEnabled) {
@@ -2452,6 +2475,14 @@ void GdbEngine::attemptBreakpointSynchronization()
data->bpEnabled = false;
continue;
}
if (!data->bpAddress.isEmpty()
&& data->bpCorrectedLineNumber.isEmpty()) {
// Prevent endless loop.
data->bpCorrectedLineNumber = " ";
postCommand("info line *" + data->bpAddress,
NeedsStop | RebuildBreakpointModel,
CB(handleInfoLine), data->bpNumber.toInt());
}
}
}

1
src/plugins/debugger/gdb/gdbengine.h
View File

@@ -342,6 +342,7 @@ private: ////////// View & Data Stuff //////////
void handleBreakInsert2(const GdbResponse &response);
void handleBreakCondition(const GdbResponse &response);
void handleBreakInfo(const GdbResponse &response);
void handleInfoLine(const GdbResponse &response);
void extractDataFromInfoBreak(const QString &output, BreakpointData *data);
void breakpointDataFromOutput(BreakpointData *data, const GdbMi &bkpt);
QByteArray breakpointLocation(int index);

10
src/plugins/debugger/script/scriptengine.cpp
View File

@@ -425,9 +425,9 @@ void ScriptEngine::attemptBreakpointSynchronization()
data->bpNumber = QByteArray::number(index + 1);
updateNeeded = true;
}
if (!data->fileName.isEmpty() && data->markerFileName.isEmpty()) {
data->markerFileName = data->fileName;
data->markerLineNumber = data->lineNumber.toInt();
if (!data->fileName.isEmpty() && data->markerFileName().isEmpty()) {
data->setMarkerFileName(data->fileName);
data->setMarkerLineNumber(data->lineNumber.toInt());
updateNeeded = true;
}
}
@@ -607,8 +607,8 @@ bool ScriptEngine::checkForBreakCondition(bool byFunction)
data->bpLineNumber = QByteArray::number(lineNumber);
data->bpFileName = fileName;
data->bpFuncName = functionName;
data->markerLineNumber = lineNumber;
data->markerFileName = fileName;
data->setMarkerLineNumber(lineNumber);
data->setMarkerFileName(fileName);
data->pending = false;
data->updateMarker();
}