protected void PushScope(Scope scope)
{
scopeStack.AddFirst(currentScope);
currentScope = scope;
// Differentiate between pseudo-scopes.
if(!currentScope.IsPseudoScope())
currentContainer = currentScope;
// Push the unsafe context.
if(scope.IsUnsafe())
PushUnsafe();
}
protected void PopScope()
{
// Restore the unsafe context.
if(currentScope != null && currentScope.IsUnsafe())
PopUnsafe();
currentScope = scopeStack.First.Value;
scopeStack.RemoveFirst();
if(currentScope == null || !currentScope.IsPseudoScope())
{
currentContainer = currentScope;
}
else
{
// Find the closest container.
currentContainer = null;
foreach(Scope scope in scopeStack)
{
if(!scope.IsPseudoScope())
{
currentContainer = scope;
break;
}
}
// Couldn't find a container.
if(currentContainer == null)
throw new System.ApplicationException("couldn't find a container scope.");
}
}
