bool setDE(ConstantExpression left, ParameterExpression right)
{
if (_x.Equals(right))
{
_list[3] = (BigInteger)left.Value;
return(true);
}
if (_y.Equals(right))
{
_list[4] = (BigInteger)left.Value;
return(true);
}
return(false);
}
protected override Expression VisitParameter(ParameterExpression node)
{
if (node.Equals(_parameter))
{
return(this.Visit(_replacement));
}
return(base.VisitParameter(node));
}
protected override Expression VisitParameter(ParameterExpression node)
{
if (node.Equals(this._paramToApply))
{
return(Expression.Constant(_arg1, node.Type));
}
return(base.VisitParameter(node));
}
protected override Expression VisitParameter(ParameterExpression parameter)
{
if (parameter.Equals(_parameterToReplace))
{
return(_parameterReplacement);
}
return(base.VisitParameter(parameter));
}
protected override Expression VisitParameter(ParameterExpression node)
{
if (node.Equals(oldParam))
{
return(newParam);
}
return(node);
//return base.VisitParameter(node);
}
public bool Equals(RuleParameter <T> other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(_parameter.Equals(other._parameter));
}
public static bool MatchParameter(ParameterExpression e1,
ParameterExpression e2,
Substitution subst)
{
if (e1.Equals(e2))
{
return(true);
}
ParameterExpression e = subst.Find(e1);
return(e != null && e.Equals(e2));
}
/// <summary>
/// Replace all occurences of a ParameterExpression within an expression tree with another ParameterExpression, and return a cloned tree
/// </summary>
/// <param name="expression">ParameterExpression to replace parameters in</param>
/// <param name="oldParameter">Parameter to replace</param>
/// <param name="newParameter">Parameter to use as replacement</param>
/// <returns>A cloned expression tree with all occurences of oldParameter replaced with newParameter</returns>
public static ParameterExpression ReplaceParameter(this ParameterExpression expression, ParameterExpression oldParameter, ParameterExpression newParameter)
{
ParameterExpression paramExpression = null;
if (expression.Equals(oldParameter))
{
paramExpression = newParameter;
}
else
{
paramExpression = expression;
}
return(paramExpression);
}
/// <summary>
/// Visit :: x => `x`.Customer.Name
/// </summary>
protected override Expression VisitParameter(ParameterExpression node)
{
_builder.Append(_rootParameter.Equals(node) ? "$" : "@");
return(base.VisitParameter(node));
}
protected override Expression VisitParameter(ParameterExpression node)
{
return(node.Equals(fromParameter) ? toParameter : base.VisitParameter(node));
}
protected override Expression VisitParameter(ParameterExpression node)
{
return(node.Equals(_originalParameter) ? _replacementParameter : base.VisitParameter(node));
}
protected override Expression VisitParameter(ParameterExpression node)
{
// Replace the source with the target, visit other params as usual.
return(node.Equals(_source) ? _target : base.VisitParameter(node));
}
protected override Expression VisitParameter(ParameterExpression node)
{
return(node.Equals(_target) ? _replacement : node);
}
protected override Expression VisitParameter(ParameterExpression node)
{
return(node.Equals(Original) ? Replacement : base.VisitParameter(node));
}