return visitor.visitIntPointer(self, *args, **kwargs)
+class ObjPointer(Type):
+ '''Pointer to an object.'''
+
+ def __init__(self, type):
+ Type.__init__(self, type.expr + " *", 'P' + type.tag)
+ self.type = type
+
+ def visit(self, visitor, *args, **kwargs):
+ return visitor.visitObjPointer(self, *args, **kwargs)
+
+
class LinearPointer(Type):
- '''Integer encoded as a pointer.'''
+ '''Pointer to a linear range of memory.'''
def __init__(self, type, size = None):
Type.__init__(self, type.expr + " *", 'P' + type.tag)
def visitIntPointer(self, pointer, *args, **kwargs):
raise NotImplementedError
+ def visitObjPointer(self, pointer, *args, **kwargs):
+ raise NotImplementedError
+
def visitLinearPointer(self, pointer, *args, **kwargs):
raise NotImplementedError
def visitIntPointer(self, pointer):
return pointer
+ def visitObjPointer(self, pointer):
+ type = self.visit(pointer.type)
+ return ObjPointer(type)
+
def visitLinearPointer(self, pointer):
type = self.visit(pointer.type)
return LinearPointer(type, pointer.size)
def visitIntPointer(self, pointer):
pass
+ def visitObjPointer(self, pointer):
+ self.visit(pointer.type)
+
def visitLinearPointer(self, pointer):
self.visit(pointer.type)