public static bool IsNull(E expr, FullExpressionDecoder <V, E> decoder)
{
VisitorForIsNull <V, E> v = decoder.IsNullVisitor;
bool res = Decode(expr, v, decoder);
return(res);
}
public FullExpressionDecoder(IMetaDataProvider metaDataProvider, IExpressionContextProvider <E, V> contextProvider)
{
ContextProvider = contextProvider;
this.MetaDataProvider = metaDataProvider;
this.VariableVisitor = new VisitorForVariable <V, E> ();
this.UnderlyingVariableVisitor = new VisitorForUnderlyingVariable <V, E> ();
this.UnaryExpressionVisitor = new VisitorForIsUnaryExpression <V, E> ();
this.BinaryExpressionVisitor = new VisitorForIsBinaryExpression <V, E> ();
this.VariablesInVisitor = new VisitorForVariablesIn <V, E> (contextProvider);
this.ValueOfVisitor = new VisitorForValueOf <V, E> ();
this.SizeOfVisitor = new VisitorForSizeOf <V, E> ();
this.IsInstVisitor = new VisitorForIsInst <V, E> ();
this.IsNullVisitor = new VisitorForIsNull <V, E> ();
}
public bool IsNull(E expr)
{
return(VisitorForIsNull <V, E> .IsNull(expr, this));
}