public virtual LinqExpression Visit(RelinqScriptExpression astNode)
{
switch (astNode.NodeType)
{
case ExpressionType.Keyword:
case ExpressionType.Variable:
return VisitObjectReference(astNode);
case ExpressionType.Constant:
return VisitConstant((ConstantExpression)astNode, null);
case ExpressionType.New:
return VisitNew((NewExpression)astNode);
case ExpressionType.Lambda:
return VisitLambda((LambdaExpression)astNode, null);
case ExpressionType.Field:
return VisitField((FieldExpression)astNode);
case ExpressionType.Invoke:
return VisitInvoke((InvokeExpression)astNode);
case ExpressionType.Indexer:
return VisitIndexer((IndexerExpression)astNode);
case ExpressionType.Operator:
return VisitOperator((OperatorExpression)astNode);
case ExpressionType.Conditional:
return VisitConditional((ConditionalExpression)astNode);
}
throw new NotSupportedException(astNode.ToString());
}
public virtual LinqExpression VisitObjectReference(RelinqScriptExpression astNode)
{
String refName;
switch (astNode.NodeType)
{
case ExpressionType.Keyword:
refName = ((KeywordExpression)astNode).Name;
break;
case ExpressionType.Variable:
refName = ((VariableExpression)astNode).Name;
break;
default:
throw new NotSupportedException(astNode.ToString());
}
return _closure[refName];
}
