private void VisitMethodCall(MethodCallExpression expression)
{
VisitExpression(expression.Object);
string methodName = expression.Method.Name;
object objToInvokeUpon = returnValueFromLastExpressionVisit;
MethodInfo methodInfo = objToInvokeUpon.GetType().GetMethod(methodName,
BindingFlags.Public | BindingFlags.Instance);
int paramCount = methodInfo.GetParameters().Count();
Array paramArray = Array.CreateInstance(typeof (Object), paramCount);
for (int arrLocation = 0; arrLocation < expression.Arguments.Count; arrLocation++)
{
Expression argument = expression.Arguments[arrLocation];
VisitExpression(argument);
if (argument is ConstantExpression)
{
object argValue = ((ConstantExpression) argument).Value;
paramArray.SetValue(argValue, arrLocation);
}
else
{
object argValue = returnValueFromLastExpressionVisit;
paramArray.SetValue(argValue, arrLocation);
Console.WriteLine();
}
}
var array = (object[]) paramArray;
returnValueFromLastExpressionVisit = methodInfo.Invoke(objToInvokeUpon, array);
if (returnValueFromLastExpressionVisit is Pattern)
{
m_pattern = (Pattern) returnValueFromLastExpressionVisit;
}
}
internal Quantifier(Pattern quantifiedExpression)
{
_quantifiedExpression = quantifiedExpression;
}
public LazyQuantifier(Pattern quantifiedExpression)
: base(quantifiedExpression)
{
}
public Pattern If(int unnamedCaptureToMatch, Pattern then, Pattern otherwise)
{
return _precedingPattern.RegEx(String.Format("(?({0}){1}|{2})", unnamedCaptureToMatch, then, otherwise));
}
public Pattern If(string namedGroupToMatch, Pattern then, Pattern otherwise)
{
return _precedingPattern.RegEx(String.Format("(?({0}){1}|{2})", namedGroupToMatch, then, otherwise));
}
public Pattern If(Pattern matched, Pattern then, Pattern otherwise)
{
return _precedingPattern.RegEx(String.Format("(?(?={0}){1}|{2})", matched, then, otherwise));
}
public Pattern Either(Pattern firstOption, Pattern secondOption)
{
return _precedingPattern.RegEx( String.Format("({0}|{1})", firstOption, secondOption) );
}
internal Alternation(Pattern precedingPattern)
{
_precedingPattern = precedingPattern;
}
