/// <summary>
/// The visit binary.
/// </summary>
/// <param name="b">
/// The b.
/// </param>
/// <returns>
/// The <see cref="Expression" />.
/// </returns>
protected override Expression VisitBinary(BinaryExpression expression)
{
BinaryType op;
if (!BinaryType.TryParse(expression.NodeType.ToString(), out op))
{
if (expression.NodeType == ExpressionType.OrElse)
{
op = BinaryType.Or;
}
else if (expression.NodeType == ExpressionType.AndAlso)
{
op = BinaryType.And;
}
else
{
throw new Exception(expression.NodeType.ToString());
}
}
var node = new QNode()
{
Type = NodeType.Binary, Value = op
};
this.Visit(expression.Left);
node.Left = this.Context.Pop();
this.Visit(expression.Right);
node.Right = this.Context.Pop();
this.Context.Push(node);
return(expression);
}
/// <summary>
/// The visit method call.
/// </summary>
/// <param name="m">
/// The memberAccess.
/// </param>
/// <returns>
/// The <see cref="Expression" />.
/// </returns>
protected override Expression VisitMethodCall(MethodCallExpression m)
{
QNode node;
MethodType method;
BinaryType binary;
if (MethodType.TryParse(m.Method.Name, out method))
{
node = new QNode()
{
Type = NodeType.Method, Value = method
};
}
else if (BinaryType.TryParse(m.Method.Name, out binary))
{
node = new QNode()
{
Type = NodeType.Binary, Value = binary
};
}
else
{
throw new Exception(m.Method.Name);
}
if (m.Object != null)
{
if (m.Arguments[0].NodeType == ExpressionType.MemberAccess)
{
if (typeof(IConstantPlaceHolder).IsAssignableFrom(
((MemberExpression)m.Arguments[0]).Expression.Type))
{
this.Visit(m.Object);
node.Left = this.Context.Pop();
this.Visit(m.Arguments[0]);
node.Right = this.Context.Pop();
}
else
{
//node = new CallNode("In");
//this.Visit(m.Arguments[0]);
//node.Left = this.Context.Pop();
//this.Visit(m.Object);
//node.Right = this.Context.Pop();
}
}
else
{
this.Visit(m.Object);
node.Left = this.Context.Pop();
this.Visit(m.Arguments[0]);
node.Right = this.Context.Pop();
}
}
else
{
this.Visit(m.Arguments[0]);
node.Left = this.Context.Pop();
if (m.Arguments.Count > 1)
{
this.Visit(m.Arguments[1]);
node.Right = this.Context.Pop();
}
}
this.Context.Push(node);
return(m);
}
