Commit 600a2f83 authored by hjk's avatar hjk Committed by hjk

debugger: make use of dynamic type for dumpers configurable

It's too expensive to have it unconditionally on in some settings.
Giving the user the possibility to switch it off seems ok.

Change-Id: I7bdcb0ce919f0dca83a4563ac83958efdeb251e7
Reviewed-by: default avatarhjk <qthjk@ovi.com>
parent a24c4972
......@@ -89,12 +89,39 @@ def hasInferiorThreadList():
except:
return False
def dynamicTypeName(value):
#vtbl = str(parseAndEvaluate("{int(*)(int)}%s" % long(value.address)))
vtbl = gdb.execute("info symbol {int*}%s" % long(value.address),
to_string = True)
pos1 = vtbl.find("vtable ")
if pos1 != -1:
pos1 += 11
pos2 = vtbl.find(" +", pos1)
if pos2 != -1:
return vtbl[pos1 : pos2]
return str(value.type)
def upcast(value):
try:
type = value.dynamic_type
return value.cast(type)
return value.cast(value.dynamic_type)
except:
pass
#try:
# return value.cast(lookupType(dynamicTypeName(value)))
#except:
# pass
return value
def expensiveUpcast(value):
try:
return value.cast(value.dynamic_type)
except:
return value
pass
try:
return value.cast(lookupType(dynamicTypeName(value)))
except:
pass
return value
typeCache = {}
......@@ -956,6 +983,7 @@ class Dumper:
elif arg.startswith("watchers:"):
watchers = base64.b16decode(arg[pos:], True)
self.useDynamicType = "dyntype" in options
self.useFancy = "fancy" in options
self.passExceptions = "pe" in options
self.autoDerefPointers = "autoderef" in options
......@@ -1542,30 +1570,26 @@ class Dumper:
warn("WRONG ASSUMPTION HERE: %s " % type.code)
check(False)
#vtbl = str(parseAndEvaluate("{int(*)(int)}%s" % long(value.address)))
vtbl = gdb.execute("info symbol {int*}%s" % long(value.address),
to_string = True)
pos1 = vtbl.find("vtable ")
if pos1 != -1:
pos1 += 11
pos2 = vtbl.find(" +", pos1)
if pos2 != -1:
self.putType(vtbl[pos1 : pos2], 1)
if self.useDynamicType:
dtypeName = dynamicTypeName(value)
else:
dtypeName = typeName
if self.useFancy and (format is None or format >= 1):
self.putAddress(value.address)
self.putType(typeName)
self.putType(dtypeName)
if typeName in qqDumpers:
qqDumpers[typeName](self, value)
if dtypeName in qqDumpers:
qqDumpers[dtypeName](self, expensiveUpcast(value))
return
nsStrippedType = self.stripNamespaceFromType(typeName)\
nsStrippedType = self.stripNamespaceFromType(dtypeName)\
.replace("::", "__")
#warn(" STRIPPED: %s" % nsStrippedType)
#warn(" DUMPERS: %s" % (nsStrippedType in qqDumpers))
if nsStrippedType in qqDumpers:
qqDumpers[nsStrippedType](self, value)
qqDumpers[nsStrippedType](self, expensiveUpcast(value))
return
# Is this derived from QObject?
......@@ -1580,7 +1604,7 @@ class Dumper:
fields = extractFields(type)
#fields = type.fields()
self.putType(typeName)
self.putType(dtypeName)
self.putAddress(value.address)
self.putValue("{...}")
......
......@@ -357,6 +357,14 @@ DebuggerSettings::DebuggerSettings(QSettings *settings)
item->setValue(false);
insertItem(AutoEnrichParameters, item);
item = new SavedAction(this);
item->setSettingsKey(debugModeGroup, QLatin1String("UseDynamicType"));
item->setText(tr("Use dynamic object type for display"));
item->setCheckable(true);
item->setDefaultValue(true);
item->setValue(true);
insertItem(UseDynamicType, item);
item = new SavedAction(this);
item->setSettingsKey(debugModeGroup, QLatin1String("TargetAsync"));
item->setCheckable(true);
......
......@@ -120,6 +120,7 @@ enum DebuggerActionCode
GdbStartupCommands,
GdbWatchdogTimeout,
AutoEnrichParameters,
UseDynamicType,
TargetAsync,
// Stack
......
......@@ -88,6 +88,8 @@ QWidget *GdbOptionsPage::createPage(QWidget *parent)
m_ui->checkBoxLoadGdbInit);
m_group.insert(debuggerCore()->action(AutoEnrichParameters),
m_ui->checkBoxAutoEnrichParameters);
m_group.insert(debuggerCore()->action(UseDynamicType),
m_ui->checkBoxUseDynamicType);
m_group.insert(debuggerCore()->action(TargetAsync),
m_ui->checkBoxTargetAsync);
m_group.insert(debuggerCore()->action(AdjustBreakpointLocations),
......@@ -120,6 +122,7 @@ QWidget *GdbOptionsPage::createPage(QWidget *parent)
<< sep << m_ui->groupBoxLocations->title()
<< sep << m_ui->checkBoxLoadGdbInit->text()
<< sep << m_ui->checkBoxTargetAsync->text()
<< sep << m_ui->checkBoxUseDynamicType->text()
<< sep << m_ui->labelGdbWatchdogTimeout->text()
<< sep << m_ui->checkBoxEnableReverseDebugging->text()
<< sep << m_ui->checkBoxSkipKnownFrames->text()
......
......@@ -92,6 +92,16 @@ on slow machines. In this case, the value should be increased.</string>
</widget>
</item>
<item row="4" column="0" colspan="2">
<widget class="QCheckBox" name="checkBoxUseDynamicType">
<property name="toolTip">
<string>This specifies whether the dynamic or the static type of objects will be displayed. Choosing the dynamic type might be slower.</string>
</property>
<property name="text">
<string>Use dynamic object type for display</string>
</property>
</widget>
</item>
<item row="5" column="0" colspan="2">
<widget class="QCheckBox" name="checkBoxLoadGdbInit">
<property name="toolTip">
<string>This allows or inhibits reading the user's default .gdbinit file on debugger startup.</string>
......@@ -101,14 +111,14 @@ on slow machines. In this case, the value should be increased.</string>
</property>
</widget>
</item>
<item row="5" column="0" colspan="2">
<item row="6" column="0" colspan="2">
<widget class="QCheckBox" name="checkBoxTargetAsync">
<property name="text">
<string>Use asynchronous mode to control the inferior</string>
</property>
</widget>
</item>
<item row="6" column="0" colspan="2">
<item row="7" column="0" colspan="2">
<widget class="QCheckBox" name="checkBoxAutoEnrichParameters">
<property name="toolTip">
<string>This adds common paths to locations of debug information at debugger startup.</string>
......@@ -118,21 +128,21 @@ on slow machines. In this case, the value should be increased.</string>
</property>
</widget>
</item>
<item row="7" column="0" colspan="2">
<item row="8" column="0" colspan="2">
<widget class="QCheckBox" name="checkBoxBreakOnWarning">
<property name="text">
<string>Stop when a qWarning is issued</string>
</property>
</widget>
</item>
<item row="8" column="0" colspan="2">
<item row="9" column="0" colspan="2">
<widget class="QCheckBox" name="checkBoxBreakOnFatal">
<property name="text">
<string>Stop when a qFatal is issued</string>
</property>
</widget>
</item>
<item row="9" column="0" colspan="2">
<item row="10" column="0" colspan="2">
<widget class="QCheckBox" name="checkBoxEnableReverseDebugging">
<property name="toolTip">
<string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Selecting this enables reverse debugging.&lt;/p&gt;&lt;.p&gt;&lt;b&gt;Note:&lt;/b&gt; This feature is very slow and unstable on the GDB side. It exhibits unpredictable behavior when going backwards over system calls and is very likely to destroy your debugging session.&lt;/p&gt;&lt;body&gt;&lt;/html&gt;</string>
......
......@@ -93,12 +93,14 @@ void GdbEngine::updateLocalsPython(const UpdateParameters &params)
const static bool alwaysVerbose = !qgetenv("QTC_DEBUGGER_PYTHON_VERBOSE").isEmpty();
QByteArray options;
if (alwaysVerbose)
options += "pe,";
if (debuggerCore()->boolSetting(UseDebuggingHelpers))
options += "fancy,";
if (debuggerCore()->boolSetting(AutoDerefPointers))
options += "autoderef,";
if (alwaysVerbose)
options += "pe,";
if (debuggerCore()->boolSetting(UseDynamicType))
options += "dyntype,";
if (options.isEmpty())
options += "defaults,";
if (params.tryPartial)
......
......@@ -864,6 +864,7 @@ void WatchWindow::contextMenuEvent(QContextMenuEvent *ev)
menu.addAction(debuggerCore()->action(ShowStdNamespace));
menu.addAction(debuggerCore()->action(ShowQtNamespace));
menu.addAction(debuggerCore()->action(SortStructMembers));
menu.addAction(debuggerCore()->action(UseDynamicType));
QAction *actClearCodeModelSnapshot
= new QAction(tr("Refresh Code Model Snapshot"), &menu);
......
......@@ -4148,7 +4148,7 @@ namespace gdb13393 {
S s(d);
Base *ptr = &d;
const Base *ptrConst = &d;
Base& ref = d;
Base &ref = d;
const Base &refConst = d;
Base **ptrToPtr = &ptr;
#if USE_BOOST
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment