public static bool IsConstant(E expr, out object value, out TypeNode type, FullExpressionDecoder <V, E> decoder)
{
VisitorForValueOf <V, E> v = decoder.ValueOfVisitor;
bool res = Decode(expr, v, decoder);
value = v.Value;
type = v.Type;
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 IsConstant(E expr, out object value, out TypeNode type)
{
return(VisitorForValueOf <V, E> .IsConstant(expr, out value, out type, this));
}