/// <summary>
/// Process all the errors obtained by calling the ReadLine() function, and forward them to an array of listeners
/// </summary>
/// <param name="ReadLine">Delegate used to retrieve each output line</param>
/// <param name="Matchers">List of matchers to run against the text</param>
/// <param name="IgnorePatterns">List of patterns to ignore</param>
/// <param name="Listeners">Set of listeners for processing the errors</param>
/// <param name="bNoWarnings">Does not output warnings</param>
static void ProcessErrors(Func <string> ReadLine, List <IErrorMatcher> Matchers, List <string> IgnorePatterns, List <IErrorListener> Listeners, bool bNoWarnings)
{
System.Text.RegularExpressions.Regex.CacheSize = 1000;
LineBuffer Buffer = new LineBuffer(ReadLine, 50);
ReadOnlyLineBuffer ReadOnlyBuffer = new ReadOnlyLineBuffer(Buffer);
string FirstLine;
while (Buffer.TryGetLine(0, out FirstLine))
{
// Try to match an error
ErrorMatch Error = null;
foreach (IErrorMatcher Matcher in Matchers)
{
ErrorMatch NewError = Matcher.Match(ReadOnlyBuffer);
if (NewError != null && (Error == null || NewError.Priority > Error.Priority))
{
Error = NewError;
}
}
// If we matched a warning and don't want it, clear it out
if (Error != null && Error.Severity == ErrorSeverity.Warning && bNoWarnings)
{
Error = null;
}
// If we did match something, check if it's not negated by an ignore pattern. We typically have relatively few errors and many more ignore patterns than matchers, so it's quicker
// to check them in response to an identified error than to treat them as matchers of their own.
if (Error != null)
{
foreach (string IgnorePattern in IgnorePatterns)
{
if (Regex.IsMatch(Buffer[0], IgnorePattern))
{
Error = null;
break;
}
}
}
// Report the error to the listeners
int AdvanceLines = 1;
if (Error != null)
{
foreach (IErrorListener Listener in Listeners)
{
Listener.OnErrorMatch(Error);
}
AdvanceLines = Error.MaxLineNumber + 1 - Buffer.CurrentLineNumber;
}
// Move forwards
Buffer.Advance(AdvanceLines);
}
}
public ErrorMatch(ErrorSeverity Severity, ErrorPriority Priority, string Type, ReadOnlyLineBuffer Input, int MinOffset, int MaxOffset)
: this(Severity, Priority, Type, Input.CurrentLineNumber + MinOffset, Input.CurrentLineNumber + MaxOffset)
{
for (int Offset = MinOffset; Offset <= MaxOffset; Offset++)
{
Lines.Add(Input[Offset]);
}
}
public ErrorMatch(ErrorSeverity Severity, ErrorPriority Priority, string Type, ReadOnlyLineBuffer Input)
: this(Severity, Priority, Type, Input, 0, 0)
{
}