Debugger: Fix QObject property extraction in namespaced Qt builds

Bail out on error results as early as possible.

The accessor always exists in libQt5Core, but it can't be found
when using a wrongly mangled name. Use the right one, and add
another sanity check before actually using the function.

Change-Id: I57975be188ca6b03836c0968e59d9603b0eecf27
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
This commit is contained in:
hjk
2016-12-14 08:27:01 +01:00
parent 233880e99d
commit 996a697094
2 changed files with 6 additions and 2 deletions

View File

@@ -1862,7 +1862,7 @@ class DumperBase:
for i in range(propertyCount):
t = self.split('III', dataPtr + properties * 4 + 12 * i)
name = self.metaString(metaObjectPtr, t[0], revision)
if qobject:
if qobject and self.qtPropertyFunc:
# 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')
@@ -1879,6 +1879,10 @@ class DumperBase:
continue
#warn('COULD NOT EXECUTE: %s' % cmd)
#self.putCallItem(name, '@QVariant', base, 'property', '"' + name + '"')
if res is None:
self.bump('failedMetaObjectCall2')
putt(name, ' ')
continue
self.putSubItem(name, res)
else:
putt(name, ' ')

View File

@@ -1060,7 +1060,7 @@ class Dumper(DumperBase):
sym = '_ZN7QObject11customEventEP6QEvent@plt'
self.qtCustomEventPltFunc = self.findSymbol(sym)
sym = '_ZNK7%sQObject8propertyEPKc' % strns
sym = '_ZNK%s7QObject8propertyEPKc' % strns
self.qtPropertyFunc = self.findSymbol(sym)
# This might be wrong, but we can't do better: We found