Ejemplo n.º 1
0
        internal static bool TryCreate_Generic(ParameterExpression variableExpression,
                                               [NotNullWhen(true)] out ExpressionExtensionData <TData>?expressionData,
                                               [NotNullWhen(true)] out Expression?newExpression,
                                               Type[] typeArguments,
                                               params Expression[] constructorArguments)
        {
            newExpression  = default;
            expressionData = default;
            var constructorArgumentTypes = constructorArguments.Select(arg => arg.Type).ToArray();

            if (MethodLookups.TryGet_Constructor_GenericType(out var constructorInfo, typeof(TData), typeArguments, constructorArgumentTypes) == false)
            {
                return(false);
            }
            newExpression = Expression.New(constructorInfo, constructorArguments);
            if (variableExpression.Type != newExpression.Type)
            {
                throw new NotImplementedException();
            }
            if (variableExpression.Type != typeof(TData))
            {
                throw new NotImplementedException();
            }
            expressionData = new ExpressionExtensionData <TData>(variableExpression);
            return(true);
        }
Ejemplo n.º 2
0
 internal static bool TryCreate(ParameterExpression variableExpression,
                                [NotNullWhen(true)] out ExpressionExtensionData <TData>?expressionData,
                                [NotNullWhen(true)] out Expression?newExpression,
                                params Expression[] constructorArguments)
 {
     return(TryCreate_Generic(variableExpression, out expressionData, out newExpression, Type.EmptyTypes, constructorArguments));
 }
Ejemplo n.º 3
0
 internal static bool TryCreate(ParameterExpression expression, [NotNullWhen(true)] out ExpressionExtensionData <TData>?expressionData)
 {
     expressionData = default;
     if (expression.Type == typeof(TData))
     {
         expressionData = new ExpressionExtensionData <TData>(expression);
     }
     return(expressionData != null);
 }