/// <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();
}
}
/// <summary>
/// initializes this expression holder
/// </summary>
/// <param name="expression">the expression that is being parsed</param>
/// <param name="mode">the parsing mode of the expression</param>
public ExpressionCompiler(string expression, ExpressionMode mode)
{
var lex = new ITVScriptingLexer(new AntlrInputStream(expression));
parser = new ITVScriptingParser(new CommonTokenStream(lex));
parser.RemoveErrorListeners();
parser.AddErrorListener(listener);
//parser.ErrorHandler = new BailErrorStrategy();
object obj;
if (mode == ExpressionMode.Expression)
{
obj = SingleExpression;
}
else
{
obj = Program;
}
Successful = parser.NumberOfSyntaxErrors == 0;
SuspectLine = listener.SuspectLine;
Errors = listener.GetAllErrors();
}
