//
// ExpressionValidator.cs
//
// (C) 2008 Mainsoft, Inc. (http://www.mainsoft.com)
// (C) 2008 db4objects, Inc. (http://www.db4o.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Linq.Expressions;
namespace System.Linq.jvm{
class ExpressionValidator : ExpressionVisitor
{
LambdaExpression lambda;
public ExpressionValidator (LambdaExpression lambda)
{
this.lambda = lambda;
}
protected override void VisitParameter (ParameterExpression parameter)
{
foreach (var param in lambda.Parameters) {
if (param.Name == parameter.Name && param != parameter)
throw new InvalidOperationException ("Lambda Parameter not in scope");
}
}
public void Validate()
{
Visit (lambda);
}
}
}
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