forked from OSchip/llvm-project
Added a new lldb.SBValue helper module that has two classes:
sbvalue.value (<SBValue>)
sbvalue.variable (<SBValue>)
Initialize both with a lldb.SBValue
sbvalue.value() make all sorts of convenience properties. Type "help(sbvalue.value)"
in the embedded python interpreter to see what is available.
sbvalue.variable() wraps a lldb.SBValue and allows you to play with your variable just
as you would expect:
pt = sbvalue.variable (lldb.frame.FindVariable("pt"))
print pt.x
print py.y
argv = sbvalue.variable (lldb.frame.FindVariable("argv"))
print argv[0]
Member access and array acccess is all taken care of!
llvm-svn: 149260
This commit is contained in:
Greg Clayton
parent
9cc6d524ea
commit
0a94b6614a
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#!/usr/bin/python
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import lldb
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class value(object):
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'''A class that wraps an lldb.SBValue object and returns an object that
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can be used as an object with attribytes:\n
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argv = a.value(lldb.frame.FindVariable('argv'))\n
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argv.name - return the name of the value that this object contains\n
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argv.type - return the lldb.SBType for this value
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argv.type_name - return the name of the type
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argv.size - return the byte size of this value
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argv.is_in_scope - return true if this value is currently in scope
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argv.is_pointer - return true if this value is a pointer
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argv.format - return the current format for this value
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argv.value - return the value's value as a string
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argv.summary - return a summary of this value's value
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argv.description - return the runtime description for this value
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argv.location - return a string that represents the values location (address, register, etc)
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argv.target - return the lldb.SBTarget for this value
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argv.process - return the lldb.SBProcess for this value
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argv.thread - return the lldb.SBThread for this value
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argv.frame - return the lldb.SBFrame for this value
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argv.num_children - return the number of children this value has
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argv.children - return a list of sbvalue objects that represents all of the children of this value
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'''
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def __init__(self, sbvalue):
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self.sbvalue = sbvalue
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def __nonzero__(self):
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return self.sbvalue.__nonzero__()
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def __repr__(self):
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return self.sbvalue.__repr__()
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def __str__(self):
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return self.sbvalue.__str__()
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def __getitem__(self, key):
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if type(key) is int:
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return value(self.sbvalue.GetChildAtIndex(key, lldb.eNoDynamicValues, True))
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raise TypeError
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def __getattr__(self, name):
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if name == 'name':
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return self.sbvalue.GetName()
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if name == 'type':
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return self.sbvalue.GetType()
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if name == 'type_name':
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return self.sbvalue.GetTypeName()
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if name == 'size':
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return self.sbvalue.GetByteSize()
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if name == 'is_in_scope':
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return self.sbvalue.IsInScope()
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if name == 'is_pointer':
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return self.sbvalue.TypeIsPointerType()
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if name == 'format':
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return self.sbvalue.GetFormat ()
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if name == 'value':
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return self.sbvalue.GetValue ()
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if name == 'summary':
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return self.sbvalue.GetSummary ()
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if name == 'description':
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return self.sbvalue.GetObjectDescription ()
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if name == 'location':
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return self.sbvalue.GetLocation ()
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if name == 'target':
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return self.sbvalue.GetTarget()
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if name == 'process':
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return self.sbvalue.GetProcess()
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if name == 'thread':
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return self.sbvalue.GetThread()
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if name == 'frame':
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return self.sbvalue.GetFrame()
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if name == 'num_children':
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return self.sbvalue.GetNumChildren()
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if name == 'children':
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# Returns an array of sbvalue objects, one for each child of
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# the value for the lldb.SBValue
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children = []
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for i in range (self.sbvalue.GetNumChildren()):
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children.append(value(self.sbvalue.GetChildAtIndex(i, lldb.eNoDynamicValues, True)))
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return children
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raise AttributeError
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class variable(object):
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'''A class that treats a lldb.SBValue and allows it to be used just as
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a variable would be in code. So if you have a Point structure variable
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in your code, you would be able to do: "pt.x + pt.y"'''
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def __init__(self, sbvalue):
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self.sbvalue = sbvalue
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def __nonzero__(self):
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return self.sbvalue.__nonzero__()
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def __repr__(self):
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return self.sbvalue.__repr__()
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def __str__(self):
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return self.sbvalue.__str__()
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def __getitem__(self, key):
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# Allow array access if this value has children...
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if type(key) is int:
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return variable(self.sbvalue.GetValueForExpressionPath("[%i]" % key))
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raise TypeError
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def __getattr__(self, name):
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child_sbvalue = self.sbvalue.GetChildMemberWithName (name)
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if child_sbvalue:
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return variable(child_sbvalue)
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raise AttributeError
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def __add__(self, other):
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return int(self) + int(other)
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def __sub__(self, other):
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return int(self) - int(other)
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def __mul__(self, other):
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return int(self) * int(other)
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def __floordiv__(self, other):
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return int(self) // int(other)
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def __mod__(self, other):
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return int(self) % int(other)
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def __divmod__(self, other):
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return int(self) % int(other)
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def __pow__(self, other):
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return int(self) ** int(other)
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def __lshift__(self, other):
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return int(self) << int(other)
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def __rshift__(self, other):
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return int(self) >> int(other)
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def __and__(self, other):
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return int(self) & int(other)
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def __xor__(self, other):
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return int(self) ^ int(other)
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def __or__(self, other):
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return int(self) | int(other)
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def __div__(self, other):
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return int(self) / int(other)
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def __truediv__(self, other):
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return int(self) / int(other)
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def __iadd__(self, other):
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result = self.__add__(other)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __isub__(self, other):
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result = self.__sub__(other)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __imul__(self, other):
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result = self.__mul__(other)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __idiv__(self, other):
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result = self.__div__(other)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __itruediv__(self, other):
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result = self.__truediv__(other)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __ifloordiv__(self, other):
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result = self.__floordiv__(self, other)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __imod__(self, other):
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result = self.__and__(self, other)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __ipow__(self, other):
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result = self.__pow__(self, other)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __ipow__(self, other, modulo):
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result = self.__pow__(self, other, modulo)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __ilshift__(self, other):
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result = self.__lshift__(self, other)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __irshift__(self, other):
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result = self.__rshift__(self, other)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __iand__(self, other):
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result = self.__and__(self, other)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __ixor__(self, other):
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result = self.__xor__(self, other)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __ior__(self, other):
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result = self.__ior__(self, other)
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self.sbvalue.SetValueFromCString (str(result))
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return result
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def __neg__(self):
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return -int(self)
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def __pos__(self):
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return +int(self)
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def __abs__(self):
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return abs(int(self))
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def __invert__(self):
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return ~int(self)
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def __complex__(self):
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return complex (int(self))
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def __int__(self):
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return self.sbvalue.GetValueAsSigned()
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def __long__(self):
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return self.sbvalue.GetValueAsSigned()
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def __float__(self):
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return float (self.sbvalue.GetValueAsSigned())
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def __oct__(self):
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return '0%o' % self.sbvalue.GetValueAsSigned()
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def __hex__(self):
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return '0x%x' % self.sbvalue.GetValueAsSigned()
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