static void Main(string[] args)
{
var inputStream = new StreamReader("TestFile.txt");
string inputText = "";
var sw2 = new Stopwatch();
sw2.Restart();
long rowsCount = 0;
var visitor = new SimpleGrammarVisitor();
List <Task> tasks = new List <Task>();
while (!String.IsNullOrEmpty(inputText = inputStream.ReadLine()))
{
tasks.Add(Task.Factory.StartNew((data) =>
{
Interlocked.Increment(ref rowsCount);
var sw = new Stopwatch();
sw.Start();
var input = new AntlrInputStream((string)data);
var lexer = new SimpleGrammarLexer(input);
var tokenStream = new CommonTokenStream(lexer);
var parser = new SimpleGrammarParser(tokenStream);
var res = visitor.Visit(parser.formula());
Console.WriteLine(string.Format("[in {0:0.000} ms] {1} = {2} ", sw.Elapsed.TotalMilliseconds, data, res));
}, inputText));
}
Task.WaitAll(tasks.ToArray());
Console.WriteLine("Completed {2} calculation in {0:0.000} ms total and average {1:0.000} ms", sw2.Elapsed.TotalMilliseconds, sw2.Elapsed.TotalMilliseconds / rowsCount, rowsCount);
Console.ReadLine();
}
public static Double Evaluate(string formula, Double parentValue)
{
//if not changed value appears do not try to evaluate it
if (formula.Contains(_notChanged) || formula.Contains(_notaNumber))
{
return(Double.NaN);
}
if (formula.Contains(_base))
{
if (Double.IsNaN(parentValue))
{
return(Double.NaN);
}
formula = formula.Replace(_base, parentValue.ToString(CultureInfo.InvariantCulture));
}
var input = new AntlrInputStream(formula);
var lexer = new SimpleGrammarLexer(input);
var tokenStream = new CommonTokenStream(lexer);
var parser = new SimpleGrammarParser(tokenStream);
Double res = Double.NaN;
try
{
res = Visitor.Visit(parser.formula());
}
catch (Exception)
{
//todo:log this
return(Double.NaN);
};
return(res);
}
public ScopeContext RunCode(string code)
{
var logger = NullLogger.Instance;
var inputStream = new AntlrInputStream(code);
var speakLexer = new SimpleGrammarLexer(inputStream);
var commonTokenStream = new CommonTokenStream(speakLexer);
var parser = new SimpleGrammarParser(commonTokenStream);
parser.AddErrorListener(new EL());
var chatContext = parser.calc();
var visitor = new SampleVisitor(logger);
visitor.Visit(chatContext);
return(visitor.ReturnResult);
}
public void ExecuteCode()
{
var inputStream = new AntlrInputStream(_code);
var speakLexer = new SimpleGrammarLexer(inputStream);
var commonTokenStream = new CommonTokenStream(speakLexer);
var parser = new SimpleGrammarParser(commonTokenStream);
parser.AddErrorListener(new EL(_logger));
var chatContext = parser.calc();
var visitor = new SampleVisitor(_logger);
try
{
visitor.Visit(chatContext);
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
}
_logger.LogDebug(visitor.ReturnResult.Value?.ToString() ?? "");
}
