def __getattr__(self, aname):
em = object.__getattribute__(self, "em")
# This pops 'this expr' off the stack, so we can
# replace it with an extended expression
# pop_expr()
ret = None
if isinstance(em, ExprArraySubscriptModel):
# TODO: Need to get the core type
fm = None
if isinstance(em.lhs, ExprIndexedFieldRefModel):
fm = em.lhs.get_target()
elif isinstance(em.lhs, ExprFieldRefModel):
fm = em.lhs.fm
else:
raise Exception("Unsupported path-chaining expression " +
str(em.lhs))
if aname in fm.type_t.field_id_m.keys():
idx = fm.type_t.field_id_m[aname]
ret = expr(ExprIndexedFieldRefModel(em, [idx]))
else:
raise Exception("Type %s does not contain a field \"%s\"" %
(fm.type_t.name, aname))
else:
raise Exception(
"Expression getattribute access on non-subscript")
return ret
def __call__(self):
return expr(ExprDynRefModel(self.model))
def to_expr(self):
return expr(self.em)
def to_expr(self):
return expr(ExprFieldRefModel(self.index))