public FlagsFile(PapyrusProgram program, IScriptTextProvider textProvider, ILogger <FlagsFile> logger)
{
_program = program;
_textProvider = textProvider;
_logger = logger;
// TODO: Invalidate this
_flagsFilePath = new CachedValue <string>(() => _program.GetFlagsFilePath().WaitForResult());
_scriptText = new TokenEqualityCachedValue <ScriptText, string>(
() => _textProvider.GetText(_flagsFilePath).WaitForResult(),
(_) => _textProvider.GetTextVersion(_flagsFilePath).WaitForResult());
_textProvider.OnScriptTextChanged += HandleScriptTextChanged;
_parseResult = new TokenEqualityCachedValue <DiagnosticResult <dynamic>, string>(() =>
{
return(DiagnosticResult <dynamic> .TryWithDiagnostics((diagnostics) =>
{
void errorHandler(object s, ErrorEventArgs e)
{
diagnostics.Add(e.ToDiagnostic());
}
var flagsLexer = new FlagsLexer(new CaseInsensitiveStringStream(_scriptText.Value.Text));
flagsLexer.OnError(errorHandler);
var flagsParser = new FlagsParser(new CommonTokenStream(flagsLexer));
flagsParser.OnError(errorHandler);
flagsParser.flags();
return flagsParser.AsDynamic().DefinedFlags;
}));
},
(_) => _scriptText.Value.Version);
}
public static void OnError(this FlagsLexer lexer, Action <object, ErrorEventArgs> handler)
{
OnError(lexer, "ErrorHandler", handler);
}