QtFormatters.py

import lldb
from builtins import chr

def QUrl_SummaryProvider(valobj, internal_dict):
   return valobj.GetFrame().EvaluateExpression(valobj.GetName() + '.toString((QUrl::FormattingOptions)QUrl::PrettyDecoded)');

def QString_SummaryProvider(valobj, internal_dict):
   def make_string_from_pointer_with_offset(F,OFFS,L):
       strval = 'u"'
       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)
       except:
           pass
       strval = strval + '"'
       return strval.encode('utf-8')

   #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:
           print('?????????????????????????')
           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)

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()
                    pArray = pD.GetChildMemberWithName('array').GetValueAsUnsigned()
                    pAt = pArray + pBegin + index
                    type = self.valobj.GetType().GetTemplateArgumentType(0)
                    elementSize = type.GetByteSize()
                    voidSize = pD.GetChildMemberWithName('array').GetType().GetByteSize()
                    return self.valobj.GetChildMemberWithName('p').GetChildMemberWithName('d').GetChildMemberWithName('array').CreateChildAtOffset('[' + str(index) + ']', pBegin + index * voidSize, type)
            except:
                    print("boned getchild")
                    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:
            print("boned getchild")
            return None