def semantic(self, scope):
# HACK: check scope.symbols directly, because we do not care if outer
# scopes have a symbol with the same name, only if two symbols have
# the same name, and are at the same level.
if self.__wasChecked: return self
self.__wasChecked = True
if scope.symbols.get(self.name, self) is not self:
raise error.NameError, "A symbol named '%s' already exists in the current scope." % self.name
scope[self.name] = self
self.__checkBases(scope)
self.__checkConcreteness(scope)
childScope = Scope(parent=scope)
childScope.klass = self
# If the class has no constructors, define a default ctor
from ast.ctor import Ctor, DefaultCtor
hasCtor = bool([d for d in self.body.decls if isinstance(d, Ctor)])
if not hasCtor:
self.body.decls.append(DefaultCtor())
self.body = self.body.semantic(childScope)
return self
def semantic2(self, scope):
childScope = Scope(parent=scope)
childScope.klass = self
self.body = self.body.semantic2(childScope)
return self
def semantic(self, scope):
if scope.symbols.get(self.name, self) is not self:
raise error.NameError, "A symbol named '%s' already exists in the current scope." % self.name
scope[self.name] = self
childScope = Scope(parent=scope)
childScope.klass = self
self.body = self.body.semantic(childScope)
return self
