public static bool ContainsMultiStringCall(Type batchType, Expression e)
{
var me = new SearchForMultiStringMethod(batchType);
me.Visit(e);
return(me.found);
}
public static bool IsStaticRegexMatch(MethodCallExpression methodCall, Type batchType)
{
var calledMethod = methodCall.Method;
// static bool System.Text.RegularExpressions.Regex.IsMatch(string input, string pattern)
return(calledMethod.DeclaringType.Equals(typeof(System.Text.RegularExpressions.Regex)) &&
calledMethod.IsStatic &&
calledMethod.Name.Equals("IsMatch") &&
methodCall.Arguments.Count == 2 &&
methodCall.Arguments.All(a => a.Type.Equals(typeof(string))) &&
methodCall.Arguments.All(a => !SearchForMultiStringMethod.ContainsMultiStringCall(batchType, a)) &&
IsMemberOnBatchField(methodCall.Arguments.ElementAt(0) as MemberExpression, batchType));
}
protected override Expression VisitMethodCall(MethodCallExpression methodCall)
{
var calledMethod = methodCall.Method;
// static bool System.Text.RegularExpressions.Regex.IsMatch(string input, string pattern)
if (IsStaticRegexMatch(methodCall, this.batchType))
{
return(methodCall);
}
if (!(calledMethod.DeclaringType.Equals(typeof(string)) &&
IsMemberOnBatchField(methodCall.Object as MemberExpression, this.batchType) &&
MultiStringHasVectorImplementation(calledMethod.Name) &&
IsMemberOnBatchField(methodCall.Object as MemberExpression, this.batchType) &&
methodCall.Arguments.Any(a => !SearchForMultiStringMethod.ContainsMultiStringCall(this.batchType, a))))
{
this.IsVectorizable = false;
}
return(methodCall);
}