public IParseInformation DoParseFile(string fileName, string fileContent)
{
IParser parser = parserService.GetParser (fileName);
if (parser == null) {
return null;
}
parser.LexerTags = new string[] { "HACK", "TODO", "UNDONE", "FIXME" };
ICompilationUnitBase parserOutput = null;
if (fileContent == null) {
lock (databases) {
foreach (object ob in databases.Values) {
ProjectCodeCompletionDatabase db = ob as ProjectCodeCompletionDatabase;
if (db != null) {
if (db.Project.IsFileInProject (fileName))
fileContent = db.Project.GetParseableFileContent(fileName);
}
}
}
}
if (fileContent != null) {
parserOutput = parser.Parse(fileName, fileContent);
} else {
parserOutput = parser.Parse(fileName);
}
ParseInformation parseInformation = GetCachedParseInformation (fileName);
bool newInfo = false;
if (parseInformation == null) {
parseInformation = new ParseInformation();
newInfo = true;
}
if (parserOutput.ErrorsDuringCompile) {
parseInformation.DirtyCompilationUnit = parserOutput;
} else {
parseInformation.ValidCompilationUnit = parserOutput;
parseInformation.DirtyCompilationUnit = null;
}
if (newInfo) {
AddToCache (parseInformation, fileName);
}
OnParseInformationChanged (new ParseInformationEventArgs (fileName, parseInformation));
return parseInformation;
}
void AddToCache(ParseInformation info, string fileName)
{
lock (parsings)
{
if (parsings.Count >= MAX_PARSING_CACHE_SIZE)
{
DateTime tim = DateTime.MaxValue;
string toDelete = null;
foreach (DictionaryEntry pce in parsings)
{
DateTime ptim = ((ParsingCacheEntry)pce.Value).AccessTime;
if (ptim < tim) {
tim = ptim;
toDelete = pce.Key.ToString();
}
}
parsings.Remove (toDelete);
}
ParsingCacheEntry en = new ParsingCacheEntry();
en.ParseInformation = info;
en.AccessTime = DateTime.Now;
parsings [fileName] = en;
}
}