/// <summary>
/// Parses a Block inside an open ReplSession
/// </summary>
/// <param name="expression">the Expression-Block that must be executed</param>
/// <param name="replSession">the current repl-session</param>
/// <returns>the result of the Execution-block</returns>
public static object ParseBlock(string expression, IDisposable replSession)
{
if (replSession is InterpreterBuffer.RunnerItem rii)
{
ITVScriptingBaseVisitor <ScriptValue> visitor = InterpreterBuffer.GetInterpreter(rii);
ITVScriptingParser.ProgramContext executor = GetProgramTree(expression);
ScriptValue retVal = visitor.VisitProgram(executor);
return(ScriptValueHelper.GetScriptValueResult <object>(retVal, false));
}
return(ParseBlock(expression, replSession, null));
}
/// <summary>
/// Reloads the definition of the program
/// </summary>
private void ReloadDefinition()
{
lock (runCounterLock)
{
executionWait.Reset();
while (currentRuns > 0)
{
Monitor.Wait(runCounterLock);
}
}
try
{
AntlrInputStream astr = null;
if (!isStatic)
{
astr = new AntlrFileStream(fileName, Encoding.Default);
}
else
{
using (var r = new StreamReader(file, Encoding.Default))
{
astr = new AntlrInputStream(r);
}
}
//SingletonPredictionContext.
Lexer lex = new ITVScriptingLexer(astr);
ITVScriptingParser parser = new ITVScriptingParser(new CommonTokenStream(lex));
ErrorListener listener = new ErrorListener();
parser.RemoveErrorListeners();
parser.AddErrorListener(listener);
//parser.AddParseListener(new ScriptErrorHandler());
program = parser.program();
runnable = parser.NumberOfSyntaxErrors == 0;
suspectLine = listener.SuspectLine;
errors = listener.GetAllErrors();
lastCompilation = DateTime.Now;
}
finally
{
executionWait.Set();
}
}
