public ExprDeclaredNodeImpl(
IContainer container,
ExpressionDeclItem prototype,
IList <ExprNode> chainParameters,
ContextDescriptor contextDescriptor)
{
_prototype = prototype;
_chainParameters = chainParameters;
// copy expression - we do it at this time and not later
try {
_expressionBodyCopy = (ExprNode)SerializableObjectCopier.Copy(container, prototype.Inner);
} catch (Exception e) {
throw new Exception("Internal error providing expression tree: " + e.Message, e);
}
// replace context-properties where they are currently identifiers
if (contextDescriptor == null)
{
return;
}
var visitorWParent = new ExprNodeIdentVisitorWParent();
_expressionBodyCopy.Accept(visitorWParent);
foreach (var pair in visitorWParent.IdentNodes)
{
var streamOrProp = pair.Second.StreamOrPropertyName;
if (streamOrProp != null && contextDescriptor.ContextPropertyRegistry.IsContextPropertyPrefix(streamOrProp))
{
var context = new ExprContextPropertyNode(pair.Second.UnresolvedPropertyName);
if (pair.First == null)
{
_expressionBodyCopy = context;
}
else
{
ExprNodeUtility.ReplaceChildNode(pair.First, pair.Second, context);
}
}
}
}
public void QExprContextProp(ExprContextPropertyNode exprContextPropertyNode)
{
}
