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Debugger: Allow QObject property extraction without debug info

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Task-number: QTCREATORBUG-16908
Change-Id: I1e1e9d91a6317808610f39868383b67e5c80a9a4
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
This commit is contained in:
hjk
2016-12-02 09:06:05 +01:00
parent 349ad040d6
commit dc2724a3f7
3 changed files with 52 additions and 12 deletions
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share/qtcreator/debugger/dumper.py
+31 -2
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@@ -254,6 +254,7 @@ class DumperBase:
self.typesToReport = {}
self.qtNamespaceToReport = None
self.qtCustomEventFunc = 0
self.qtPropertyFunc = 0
self.passExceptions = False
self.isTesting = False
@@ -1473,6 +1474,21 @@ class DumperBase:
return self.qtCustomEventFunc == customEventFunc
def extractQObjectProperty(objectPtr):
vtablePtr = self.extractPointer(objectPtr)
metaObjectFunc = self.extractPointer(vtablePtr)
cmd = '((void*(*)(void*))0x%x)((void*)0x%x)' % (metaObjectFunc, objectPtr)
try:
#warn('MO CMD: %s' % cmd)
res = self.parseAndEvaluate(cmd)
#warn('MO RES: %s' % res)
self.bump('successfulMetaObjectCall')
return res.pointer()
except:
self.bump('failedMetaObjectCall')
#warn('COULD NOT EXECUTE: %s' % cmd)
return 0
def extractMetaObjectPtr(self, objectPtr, typeobj):
""" objectPtr - address of *potential* instance of QObject derived class
typeobj - type of *objectPtr if known, None otherwise. """
@@ -1845,8 +1861,21 @@ class DumperBase:
if qobject:
# LLDB doesn't like calling it on a derived class, possibly
# due to type information living in a different shared object.
base = self.createValue(qobjectPtr, '@QObject')
self.putCallItem(name, '@QVariant', base, 'property', '"' + name + '"')
#base = self.createValue(qobjectPtr, '@QObject')
#warn("CALL FUNC: 0x%x" % self.qtPropertyFunc)
cmd = '((QVariant(*)(void*,char*))0x%x)((void*)0x%x,"%s")' \
% (self.qtPropertyFunc, qobjectPtr, name)
try:
#warn('PROP CMD: %s' % cmd)
res = self.parseAndEvaluate(cmd)
#warn('PROP RES: %s' % res)
except:
self.bump('failedMetaObjectCall')
putt(name, ' ')
continue
#warn('COULD NOT EXECUTE: %s' % cmd)
#self.putCallItem(name, '@QVariant', base, 'property', '"' + name + '"')
self.putSubItem(name, res)
else:
putt(name, ' ')