1 #!/usr/bin/python 2 3 import lldb 4 5 class value(object): 6 '''A class that wraps an lldb.SBValue object and returns an object that 7 can be used as an object with attribytes:\n 8 argv = a.value(lldb.frame.FindVariable('argv'))\n 9 argv.name - return the name of the value that this object contains\n 10 argv.type - return the lldb.SBType for this value 11 argv.type_name - return the name of the type 12 argv.size - return the byte size of this value 13 argv.is_in_scope - return true if this value is currently in scope 14 argv.is_pointer - return true if this value is a pointer 15 argv.format - return the current format for this value 16 argv.value - return the value's value as a string 17 argv.summary - return a summary of this value's value 18 argv.description - return the runtime description for this value 19 argv.location - return a string that represents the values location (address, register, etc) 20 argv.target - return the lldb.SBTarget for this value 21 argv.process - return the lldb.SBProcess for this value 22 argv.thread - return the lldb.SBThread for this value 23 argv.frame - return the lldb.SBFrame for this value 24 argv.num_children - return the number of children this value has 25 argv.children - return a list of sbvalue objects that represents all of the children of this value 26 ''' 27 def __init__(self, sbvalue): 28 self.sbvalue = sbvalue 29 30 def __nonzero__(self): 31 return self.sbvalue.__nonzero__() 32 33 def __repr__(self): 34 return self.sbvalue.__repr__() 35 36 def __str__(self): 37 return self.sbvalue.__str__() 38 39 def __getitem__(self, key): 40 if type(key) is int: 41 return value(self.sbvalue.GetChildAtIndex(key, lldb.eNoDynamicValues, True)) 42 raise TypeError 43 44 def __getattr__(self, name): 45 if name == 'name': 46 return self.sbvalue.GetName() 47 if name == 'type': 48 return self.sbvalue.GetType() 49 if name == 'type_name': 50 return self.sbvalue.GetTypeName() 51 if name == 'size': 52 return self.sbvalue.GetByteSize() 53 if name == 'is_in_scope': 54 return self.sbvalue.IsInScope() 55 if name == 'is_pointer': 56 return self.sbvalue.TypeIsPointerType() 57 if name == 'format': 58 return self.sbvalue.GetFormat () 59 if name == 'value': 60 return self.sbvalue.GetValue () 61 if name == 'summary': 62 return self.sbvalue.GetSummary () 63 if name == 'description': 64 return self.sbvalue.GetObjectDescription () 65 if name == 'location': 66 return self.sbvalue.GetLocation () 67 if name == 'target': 68 return self.sbvalue.GetTarget() 69 if name == 'process': 70 return self.sbvalue.GetProcess() 71 if name == 'thread': 72 return self.sbvalue.GetThread() 73 if name == 'frame': 74 return self.sbvalue.GetFrame() 75 if name == 'num_children': 76 return self.sbvalue.GetNumChildren() 77 if name == 'children': 78 # Returns an array of sbvalue objects, one for each child of 79 # the value for the lldb.SBValue 80 children = [] 81 for i in range (self.sbvalue.GetNumChildren()): 82 children.append(value(self.sbvalue.GetChildAtIndex(i, lldb.eNoDynamicValues, True))) 83 return children 84 raise AttributeError 85 86 class variable(object): 87 '''A class that treats a lldb.SBValue and allows it to be used just as 88 a variable would be in code. So if you have a Point structure variable 89 in your code, you would be able to do: "pt.x + pt.y"''' 90 def __init__(self, sbvalue): 91 self.sbvalue = sbvalue 92 93 def __nonzero__(self): 94 return self.sbvalue.__nonzero__() 95 96 def __repr__(self): 97 return self.sbvalue.__repr__() 98 99 def __str__(self): 100 return self.sbvalue.__str__() 101 102 def __getitem__(self, key): 103 # Allow array access if this value has children... 104 if type(key) is int: 105 return variable(self.sbvalue.GetValueForExpressionPath("[%i]" % key)) 106 raise TypeError 107 108 def __getattr__(self, name): 109 child_sbvalue = self.sbvalue.GetChildMemberWithName (name) 110 if child_sbvalue: 111 return variable(child_sbvalue) 112 raise AttributeError 113 114 def __add__(self, other): 115 return int(self) + int(other) 116 117 def __sub__(self, other): 118 return int(self) - int(other) 119 120 def __mul__(self, other): 121 return int(self) * int(other) 122 123 def __floordiv__(self, other): 124 return int(self) // int(other) 125 126 def __mod__(self, other): 127 return int(self) % int(other) 128 129 def __divmod__(self, other): 130 return int(self) % int(other) 131 132 def __pow__(self, other): 133 return int(self) ** int(other) 134 135 def __lshift__(self, other): 136 return int(self) << int(other) 137 138 def __rshift__(self, other): 139 return int(self) >> int(other) 140 141 def __and__(self, other): 142 return int(self) & int(other) 143 144 def __xor__(self, other): 145 return int(self) ^ int(other) 146 147 def __or__(self, other): 148 return int(self) | int(other) 149 150 def __div__(self, other): 151 return int(self) / int(other) 152 153 def __truediv__(self, other): 154 return int(self) / int(other) 155 156 def __iadd__(self, other): 157 result = self.__add__(other) 158 self.sbvalue.SetValueFromCString (str(result)) 159 return result 160 161 def __isub__(self, other): 162 result = self.__sub__(other) 163 self.sbvalue.SetValueFromCString (str(result)) 164 return result 165 166 def __imul__(self, other): 167 result = self.__mul__(other) 168 self.sbvalue.SetValueFromCString (str(result)) 169 return result 170 171 def __idiv__(self, other): 172 result = self.__div__(other) 173 self.sbvalue.SetValueFromCString (str(result)) 174 return result 175 176 def __itruediv__(self, other): 177 result = self.__truediv__(other) 178 self.sbvalue.SetValueFromCString (str(result)) 179 return result 180 181 def __ifloordiv__(self, other): 182 result = self.__floordiv__(self, other) 183 self.sbvalue.SetValueFromCString (str(result)) 184 return result 185 186 def __imod__(self, other): 187 result = self.__and__(self, other) 188 self.sbvalue.SetValueFromCString (str(result)) 189 return result 190 191 def __ipow__(self, other): 192 result = self.__pow__(self, other) 193 self.sbvalue.SetValueFromCString (str(result)) 194 return result 195 196 def __ipow__(self, other, modulo): 197 result = self.__pow__(self, other, modulo) 198 self.sbvalue.SetValueFromCString (str(result)) 199 return result 200 201 def __ilshift__(self, other): 202 result = self.__lshift__(self, other) 203 self.sbvalue.SetValueFromCString (str(result)) 204 return result 205 206 def __irshift__(self, other): 207 result = self.__rshift__(self, other) 208 self.sbvalue.SetValueFromCString (str(result)) 209 return result 210 211 def __iand__(self, other): 212 result = self.__and__(self, other) 213 self.sbvalue.SetValueFromCString (str(result)) 214 return result 215 216 def __ixor__(self, other): 217 result = self.__xor__(self, other) 218 self.sbvalue.SetValueFromCString (str(result)) 219 return result 220 221 def __ior__(self, other): 222 result = self.__ior__(self, other) 223 self.sbvalue.SetValueFromCString (str(result)) 224 return result 225 226 def __neg__(self): 227 return -int(self) 228 229 def __pos__(self): 230 return +int(self) 231 232 def __abs__(self): 233 return abs(int(self)) 234 235 def __invert__(self): 236 return ~int(self) 237 238 def __complex__(self): 239 return complex (int(self)) 240 241 def __int__(self): 242 return self.sbvalue.GetValueAsSigned() 243 244 def __long__(self): 245 return self.sbvalue.GetValueAsSigned() 246 247 def __float__(self): 248 return float (self.sbvalue.GetValueAsSigned()) 249 250 def __oct__(self): 251 return '0%o' % self.sbvalue.GetValueAsSigned() 252 253 def __hex__(self): 254 return '0x%x' % self.sbvalue.GetValueAsSigned() 255
