public static Expression UnaryOp(Expression lhs, ExpressionType expressionType)
{
var expArgs = new List <Expression>()
{
lhs
};
var binderM = Binder.UnaryOperation(CSharpBinderFlags.None, expressionType, lhs.Type, new []
{
CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null),
CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null)
});
return(Expression.Dynamic(binderM, typeof(object), expArgs));
}
private static Expression DynamicUnaryOperatorFunc(Expression le, ExpressionType expressionType)
{
var expArgs = new List <Expression>()
{
le
};
var binderM = Binder.UnaryOperation(CSharpBinderFlags.None, expressionType, le.Type, new CSharpArgumentInfo[]
{
CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null),
CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null)
});
return(Expression.Dynamic(binderM, typeof(object), expArgs));
}
internal static CallSiteBinder GetUnaryBinder(TokenType tokenType)
{
return(Binder.UnaryOperation(CSharpBinderFlags.CheckedContext, GetExpressionType(tokenType), null, GetArgInfo(1)));
}