vendor/lldb/lldb-trunk-r256945

1 files changed, 255 insertions, 0 deletions

diff --git a/examples/python/sbvalue.py b/examples/python/sbvalue.py
new file mode 100755
index 000000000000..59c0b61e5528
--- /dev/null
+++ b/examples/python/sbvalue.py
@@ -0,0 +1,255 @@
+#!/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 type(key) is 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 type(key) is 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()
+    
\ No newline at end of file