llvm-project/lldb/examples/python/sbvalue.py

269 lines
8.1 KiB
Python
Executable File

#!/usr/bin/python
import lldb
class value(object):
'''A class that wraps an lldb.SBValue object and returns an object that
can be used as an object with attribytes:\n
argv = a.value(lldb.frame.FindVariable('argv'))\n
argv.name - return the name of the value that this object contains\n
argv.type - return the lldb.SBType for this value
argv.type_name - return the name of the type
argv.size - return the byte size of this value
argv.is_in_scope - return true if this value is currently in scope
argv.is_pointer - return true if this value is a pointer
argv.format - return the current format for this value
argv.value - return the value's value as a string
argv.summary - return a summary of this value's value
argv.description - return the runtime description for this value
argv.location - return a string that represents the values location (address, register, etc)
argv.target - return the lldb.SBTarget for this value
argv.process - return the lldb.SBProcess for this value
argv.thread - return the lldb.SBThread for this value
argv.frame - return the lldb.SBFrame for this value
argv.num_children - return the number of children this value has
argv.children - return a list of sbvalue objects that represents all of the children of this value
'''
def __init__(self, sbvalue):
self.sbvalue = sbvalue
def __nonzero__(self):
return self.sbvalue.__nonzero__()
def __repr__(self):
return self.sbvalue.__repr__()
def __str__(self):
return self.sbvalue.__str__()
def __getitem__(self, key):
if isinstance(key, int):
return value(
self.sbvalue.GetChildAtIndex(
key, lldb.eNoDynamicValues, True))
raise TypeError
def __getattr__(self, name):
if name == 'name':
return self.sbvalue.GetName()
if name == 'type':
return self.sbvalue.GetType()
if name == 'type_name':
return self.sbvalue.GetTypeName()
if name == 'size':
return self.sbvalue.GetByteSize()
if name == 'is_in_scope':
return self.sbvalue.IsInScope()
if name == 'is_pointer':
return self.sbvalue.TypeIsPointerType()
if name == 'format':
return self.sbvalue.GetFormat()
if name == 'value':
return self.sbvalue.GetValue()
if name == 'summary':
return self.sbvalue.GetSummary()
if name == 'description':
return self.sbvalue.GetObjectDescription()
if name == 'location':
return self.sbvalue.GetLocation()
if name == 'target':
return self.sbvalue.GetTarget()
if name == 'process':
return self.sbvalue.GetProcess()
if name == 'thread':
return self.sbvalue.GetThread()
if name == 'frame':
return self.sbvalue.GetFrame()
if name == 'num_children':
return self.sbvalue.GetNumChildren()
if name == 'children':
# Returns an array of sbvalue objects, one for each child of
# the value for the lldb.SBValue
children = []
for i in range(self.sbvalue.GetNumChildren()):
children.append(
value(
self.sbvalue.GetChildAtIndex(
i,
lldb.eNoDynamicValues,
True)))
return children
raise AttributeError
class variable(object):
'''A class that treats a lldb.SBValue and allows it to be used just as
a variable would be in code. So if you have a Point structure variable
in your code, you would be able to do: "pt.x + pt.y"'''
def __init__(self, sbvalue):
self.sbvalue = sbvalue
def __nonzero__(self):
return self.sbvalue.__nonzero__()
def __repr__(self):
return self.sbvalue.__repr__()
def __str__(self):
return self.sbvalue.__str__()
def __getitem__(self, key):
# Allow array access if this value has children...
if isinstance(key, int):
return variable(
self.sbvalue.GetValueForExpressionPath(
"[%i]" %
key))
raise TypeError
def __getattr__(self, name):
child_sbvalue = self.sbvalue.GetChildMemberWithName(name)
if child_sbvalue:
return variable(child_sbvalue)
raise AttributeError
def __add__(self, other):
return int(self) + int(other)
def __sub__(self, other):
return int(self) - int(other)
def __mul__(self, other):
return int(self) * int(other)
def __floordiv__(self, other):
return int(self) // int(other)
def __mod__(self, other):
return int(self) % int(other)
def __divmod__(self, other):
return int(self) % int(other)
def __pow__(self, other):
return int(self) ** int(other)
def __lshift__(self, other):
return int(self) << int(other)
def __rshift__(self, other):
return int(self) >> int(other)
def __and__(self, other):
return int(self) & int(other)
def __xor__(self, other):
return int(self) ^ int(other)
def __or__(self, other):
return int(self) | int(other)
def __div__(self, other):
return int(self) / int(other)
def __truediv__(self, other):
return int(self) / int(other)
def __iadd__(self, other):
result = self.__add__(other)
self.sbvalue.SetValueFromCString(str(result))
return result
def __isub__(self, other):
result = self.__sub__(other)
self.sbvalue.SetValueFromCString(str(result))
return result
def __imul__(self, other):
result = self.__mul__(other)
self.sbvalue.SetValueFromCString(str(result))
return result
def __idiv__(self, other):
result = self.__div__(other)
self.sbvalue.SetValueFromCString(str(result))
return result
def __itruediv__(self, other):
result = self.__truediv__(other)
self.sbvalue.SetValueFromCString(str(result))
return result
def __ifloordiv__(self, other):
result = self.__floordiv__(self, other)
self.sbvalue.SetValueFromCString(str(result))
return result
def __imod__(self, other):
result = self.__and__(self, other)
self.sbvalue.SetValueFromCString(str(result))
return result
def __ipow__(self, other):
result = self.__pow__(self, other)
self.sbvalue.SetValueFromCString(str(result))
return result
def __ipow__(self, other, modulo):
result = self.__pow__(self, other, modulo)
self.sbvalue.SetValueFromCString(str(result))
return result
def __ilshift__(self, other):
result = self.__lshift__(self, other)
self.sbvalue.SetValueFromCString(str(result))
return result
def __irshift__(self, other):
result = self.__rshift__(self, other)
self.sbvalue.SetValueFromCString(str(result))
return result
def __iand__(self, other):
result = self.__and__(self, other)
self.sbvalue.SetValueFromCString(str(result))
return result
def __ixor__(self, other):
result = self.__xor__(self, other)
self.sbvalue.SetValueFromCString(str(result))
return result
def __ior__(self, other):
result = self.__ior__(self, other)
self.sbvalue.SetValueFromCString(str(result))
return result
def __neg__(self):
return -int(self)
def __pos__(self):
return +int(self)
def __abs__(self):
return abs(int(self))
def __invert__(self):
return ~int(self)
def __complex__(self):
return complex(int(self))
def __int__(self):
return self.sbvalue.GetValueAsSigned()
def __long__(self):
return self.sbvalue.GetValueAsSigned()
def __float__(self):
return float(self.sbvalue.GetValueAsSigned())
def __oct__(self):
return '0%o' % self.sbvalue.GetValueAsSigned()
def __hex__(self):
return '0x%x' % self.sbvalue.GetValueAsSigned()