protected virtual Expression VisitFunction(FunctionExpression func)
{
var arguments = this.VisitExpressionList(func.Arguments);
return this.UpdateFunction(func, func.Name, arguments);
}
protected FunctionExpression UpdateFunction(FunctionExpression func, string name, IEnumerable<Expression> arguments)
{
if (name != func.Name || arguments != func.Arguments)
{
return new FunctionExpression(func.Type, name, arguments);
}
return func;
}
protected virtual bool CompareFunction(FunctionExpression x, FunctionExpression y)
{
return x.Name == y.Name && this.CompareExpressionList(x.Arguments, y.Arguments);
}
protected override Expression VisitFunction(FunctionExpression func)
{
this.Write(func.Name);
if (func.Arguments.Count > 0)
{
this.Write("(");
for (int i = 0, n = func.Arguments.Count; i < n; i++)
{
if (i > 0) this.Write(", ");
this.Visit(func.Arguments[i]);
}
this.Write(")");
}
return func;
}
protected virtual Expression VisitFunction(FunctionExpression function)
{
this.Write("FUNCTION ");
this.Write(function.Name);
if (function.Arguments.Count > 0)
{
this.Write("(");
this.VisitExpressionList(function.Arguments);
this.Write(")");
}
return function;
}