public override void VisitPipeExpression(PipeExpression node)
{
base.VisitPipeExpression(node);
// operators on right-hand side of pipe have row scope
if (_position >= node.Operator.TriviaStart)
{
_binder._rowScope = node.Expression.ResultType as TableSymbol;
}
}
private static object?Evaluate(Expression expression, IDictionary <string, object> properties)
{
return(expression switch
{
TextExpression text => text.Value,
ConstantExpression constant => constant.Value,
PipeExpression pipe => PipeValue(pipe, properties),
TemplateExpression part => EvaluateTemplate(part, properties),
PropertyExpression property => GetProperty(property, properties),
FunctionCallExpression function => CallFunction(function, properties),
MultiTemplateExpression => throw new NotSupportedException("Multi-template expressions are top-level expressions only."),
_ => throw new NotImplementedException(string.Format(Strings.EvaluationNotImplemented, expression)),
});
public override void VisitPipeExpression(PipeExpression node)
{
node.Expression.Accept(this);
// result of left-side expression is in scope for right-side query operator
var oldRowScope = _binder._rowScope;
_binder._rowScope = _binder.GetResultType(node.Expression) as TableSymbol;
try
{
node.Operator.Accept(this);
}
finally
{
_binder._rowScope = oldRowScope;
}
BindNode(node);
}
public override T VisitPipeExpression(PipeExpression node)
{
throw new NotImplementedException();
}
