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QtFormatters.py
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import lldb
import sys
import traceback
def __lldb_init_module(debugger, unused):
# types created through the Python code
debugger.HandleCommand('type summary add -x "^QUrl$" -e -F QtFormatters.QUrl_SummaryProvider')
debugger.HandleCommand('type summary add -x "^QString$" -e -F QtFormatters.QString_SummaryProvider')
debugger.HandleCommand('type synthetic add -x "^QVector<.+>$" -l QtFormatters.QVector_SyntheticProvider')
debugger.HandleCommand('type summary add -x "^QVector<.+>$" -e -s "size=${svar%#}"')
debugger.HandleCommand('type synthetic add -x "^QList<.+>$" -l QtFormatters.QList_SyntheticProvider')
debugger.HandleCommand('type summary add -x "^QList<.+>$" -e -s "size=${svar%#}"')
debugger.HandleCommand('type synthetic add -x "^QPointer<.+>$" -l QtFormatters.QPointer_SyntheticProvider')
debugger.HandleCommand('type summary add -x "^QPointer<.+>$" -e -s "filled="${svar%#}"')
debugger.HandleCommand('type synthetic add -x "^QVariant$" -l QtFormatters.QVariant_SyntheticProvider')
debugger.HandleCommand('type summary add -x "^QVariant$" -e -s "${svar[0]%V}"')
# summary only types
debugger.HandleCommand('type summary add --summary-string "(w=${var.wd}, h=${var.ht})" QSize')
debugger.HandleCommand('type summary add --summary-string "(w=${var.wd}, h=${var.ht})" QSizeF')
debugger.HandleCommand('type summary add --summary-string "(x=${var.xp}, y=${var.yp})" QPoint')
debugger.HandleCommand('type summary add --summary-string "(x=${var.xp}, y=${var.yp})" QPointF')
debugger.HandleCommand('type summary add --summary-string "(x1=${var.x1}, y1=${var.y1}), size=(w=${var.x2}, h=${var.y2})" QRect')
debugger.HandleCommand('type summary add --summary-string "(xp=${var.xp}, yp=${var.yp}), size=(w=${var.w},h=${var.h})" QRectF')
debugger.HandleCommand('type summary add --summary-string "\{${var.data1%x} - ${var.data2%x} - ${var.data3%x} - ${var.data4[0-7]%x}\}" QUuid')
def printException():
eInfo = sys.exc_info()
print ("Exception:")
print (traceback.print_tb(eInfo[2], 1))
print (eInfo[0], eInfo[1] )
return
def QString_SummaryProvider(valobj, internal_dict):
def make_string_from_pointer_with_offset(F,OFFS,L):
strval = '"'
try:
data_array = F.GetPointeeData(0, L).uint16
for X in range(OFFS, L):
V = data_array[X]
if V == 0:
break
strval += chr(V)
# Ignore index error because if you set breakpoint on a line that constructs a QString
# it has not yet been defined and you end up with an IndexError unable to read data_array
except(IndexError):
pass
except:
printException()
pass
strval = strval + '"'
return strval
#qt5
def qstring_summary(value):
try:
d = value.GetChildMemberWithName('d')
#have to divide by 2 (size of unsigned short = 2)
offset = d.GetChildMemberWithName('offset').GetValueAsUnsigned() // 2
size = get_max_size(value)
return make_string_from_pointer_with_offset(d, offset, size)
except:
printException()
return value
def get_max_size(value):
_max_size_ = None
try:
debugger = value.GetTarget().GetDebugger()
_max_size_ = int(lldb.SBDebugger.GetInternalVariableValue('target.max-string-summary-length', debugger.GetInstanceName()).GetStringAtIndex(0))
except:
_max_size_ = 512
return _max_size_
return qstring_summary(valobj)
def QUrl_SummaryProvider(valobj, internal_dict):
return QString_SummaryProvider(valobj.GetFrame().EvaluateExpression(valobj.GetName() + '.toString(QUrl::ComponentFormattingOption::PrettyDecoded)'), None)
class QVector_SyntheticProvider:
def __init__(self, valobj, internal_dict):
self.valobj = valobj
def num_children(self):
try:
s = self.valobj.GetChildMemberWithName('d').GetChildMemberWithName('size').GetValueAsUnsigned()
return s
except:
return 0
def get_child_index(self,name):
try:
return int(name.lstrip('[').rstrip(']'))
except:
return None
def get_child_at_index(self,index):
if index < 0:
return None
if index >= self.num_children():
return None
if self.valobj.IsValid() == False:
return None
try:
doffset = self.valobj.GetChildMemberWithName('d').GetChildMemberWithName('offset').GetValueAsUnsigned()
type = self.valobj.GetType().GetTemplateArgumentType(0)
elementSize = type.GetByteSize()
return self.valobj.GetChildMemberWithName('d').CreateChildAtOffset('[' + str(index) + ']', doffset + index * elementSize, type)
except:
return None
class QList_SyntheticProvider:
def __init__(self, valobj, internal_dict):
self.valobj = valobj
def num_children(self):
try:
listDataD = self.valobj.GetChildMemberWithName('p').GetChildMemberWithName('d')
begin = listDataD.GetChildMemberWithName('begin').GetValueAsUnsigned()
end = listDataD.GetChildMemberWithName('end').GetValueAsUnsigned()
return (end - begin)
except:
return 0
def get_child_index(self,name):
try:
return int(name.lstrip('[').rstrip(']'))
except:
return None
def get_child_at_index(self,index):
if index < 0:
return None
if index >= self.num_children():
return None
if self.valobj.IsValid() == False:
return None
try:
pD = self.valobj.GetChildMemberWithName('p').GetChildMemberWithName('d')
pBegin = pD.GetChildMemberWithName('begin').GetValueAsUnsigned()
argType = self.valobj.GetType().GetTemplateArgumentType(0)
voidSize = pD.GetChildMemberWithName('array').GetType().GetByteSize()
return self.valobj.GetChildMemberWithName('p').GetChildMemberWithName('d').GetChildMemberWithName('array').CreateChildAtOffset('[' + str(index) + ']', pBegin + index * voidSize, argType)
except:
printException()
return None
class QPointer_SyntheticProvider:
def __init__(self, valobj, internal_dict):
self.valobj = valobj
def num_children(self):
try:
wp = self.valobj.GetChildMemberWithName('wp')
d = wp.GetChildMemberWithName('d')
if d.GetValueAsUnsigned() == 0 or d.GetChildMemberWithName('strongref').GetChildMemberWithName('_q_value').GetValueAsUnsigned() == 0 or wp.GetChildMemberWithName('value').GetValueAsUnsigned() == 0:
return 0
else:
return 1
except:
return 0
def get_child_index(self,name):
return 0
def get_child_at_index(self,index):
if index < 0:
return None
if index >= self.num_children():
return None
if self.valobj.IsValid() == False:
return None
try:
type = self.valobj.GetType().GetTemplateArgumentType(0)
return self.valobj.GetChildMemberWithName('wp').GetChildMemberWithName('value').CreateChildAtOffset('value', 0, type)
except:
printException()
return None
class QVariant_SyntheticProvider:
def __init__(self, valobj, internal_dict):
self.valobj = valobj
def num_children(self):
return 1
def get_child_index(self,name):
return 0
def get_child_at_index(self,index):
if index != 0:
return None
if self.valobj.IsValid() == False:
return None
target = lldb.debugger.GetSelectedTarget()
variantType = self.valobj.GetChildMemberWithName('d').GetChildMemberWithName('type').GetValueAsUnsigned()
dMember = self.valobj.GetChildMemberWithName('d')
resultType = None
if variantType == 1:
value = dMember.GetChildMemberWithName('data').GetChildMemberWithName('b')
elif variantType == 2:
value = dMember.GetChildMemberWithName('data').GetChildMemberWithName('i')
elif variantType == 3:
value = dMember.GetChildMemberWithName('data').GetChildMemberWithName('u')
elif variantType == 4:
value = dMember.GetChildMemberWithName('data').GetChildMemberWithName('ll')
elif variantType == 5:
value = dMember.GetChildMemberWithName('data').GetChildMemberWithName('ull')
elif variantType == 6:
value = dMember.GetChildMemberWithName('data').GetChildMemberWithName('d')
elif variantType == 7:
value = dMember.GetChildMemberWithName('data').GetChildMemberWithName('c')
elif variantType == 8:
resultType = target.FindFirstType('QVariantMap')
elif variantType == 9:
resultType = target.FindFirstType('QVariantList')
elif variantType == 10:
resultType = target.FindFirstType('QString')
elif variantType == 11:
resultType = target.FindFirstType('QStringList')
elif variantType == 12:
resultType = target.FindFirstType('QByteArray')
elif variantType == 13:
resultType = target.FindFirstType('QBitArray')
elif variantType == 14:
resultType = target.FindFirstType('QDate')
elif variantType == 15:
resultType = target.FindFirstType('QTime')
elif variantType == 16:
resultType = target.FindFirstType('QDateTime')
elif variantType == 17:
resultType = target.FindFirstType('QUrl')
elif variantType == 18:
resultType = target.FindFirstType('QLocale')
elif variantType == 19:
resultType = target.FindFirstType('QRect')
elif variantType == 20:
resultType = target.FindFirstType('QRectF')
elif variantType == 21:
resultType = target.FindFirstType('QSize')
elif variantType == 22:
resultType = target.FindFirstType('QSizeF')
elif variantType == 23:
resultType = target.FindFirstType('QLine')
elif variantType == 24:
resultType = target.FindFirstType('QLineF')
elif variantType == 25:
resultType = target.FindFirstType('QPoint')
elif variantType == 26:
resultType = target.FindFirstType('QPointF')
elif variantType == 27:
resultType = target.FindFirstType('QRegExp')
elif variantType == 28:
resultType = target.FindFirstType('QVariantHash')
elif variantType == 29:
resultType = target.FindFirstType('QEasingCurve')
elif variantType == 30:
resultType = target.FindFirstType('QUuid')
elif variantType == 42:
resultType = target.FindFirstType('QModelIndex')
elif variantType == 44:
resultType = target.FindFirstType('QRegularExpression')
elif variantType == 50:
resultType = target.FindFirstType('QPersistentModelIndex')
elif variantType == 64:
resultType = target.FindFirstType('QFont')
elif variantType == 65:
resultType = target.FindFirstType('QPixmap')
elif variantType == 66:
resultType = target.FindFirstType('QBrush')
elif variantType == 67:
resultType = target.FindFirstType('QColor')
elif variantType == 68:
resultType = target.FindFirstType('QPalette')
elif variantType == 69:
resultType = target.FindFirstType('QIcon')
elif variantType == 70:
resultType = target.FindFirstType('QImage')
elif variantType == 71:
resultType = target.FindFirstType('QPolygon')
elif variantType == 72:
resultType = target.FindFirstType('QRegion')
elif variantType == 73:
resultType = target.FindFirstType('QBitmap')
elif variantType == 74:
resultType = target.FindFirstType('QCursor')
elif variantType == 75:
resultType = target.FindFirstType('QKeySequence')
elif variantType == 76:
resultType = target.FindFirstType('QPen')
elif variantType == 77:
resultType = target.FindFirstType('QTextLength')
elif variantType == 78:
resultType = target.FindFirstType('QTextFormat')
elif variantType == 79:
resultType = target.FindFirstType('QMatrix')
elif variantType == 80:
resultType = target.FindFirstType('QTransform')
elif variantType == 81:
resultType = target.FindFirstType('QMatrix4x4')
elif variantType == 82:
resultType = target.FindFirstType('QVector2D')
elif variantType == 83:
resultType = target.FindFirstType('QVector3D')
elif variantType == 84:
resultType = target.FindFirstType('QVector4D')
elif variantType == 85:
resultType = target.FindFirstType('QQuaternion')
elif variantType == 86:
resultType = target.FindFirstType('QPolygonF')
elif variantType == 121:
resultType = target.FindFirstType('QSizePolicy')
else:
return dMember.GetChildMemberWithName('type')
if resultType == None:
resultType = value.GetType()
else:
value = dMember
return value.CreateChildAtOffset('value', 0, resultType)