private static object ParseNumber(
IRuleNode number,
int factor)
{
var tokenType = GetSingleChildTokenType(number);
if (tokenType == EsperEPL2GrammarLexer.IntegerLiteral)
{
return ParseIntLongByte(number.GetText(), factor);
}
if (tokenType == EsperEPL2GrammarLexer.FloatingPointLiteral)
{
var numberText = number.GetText();
if (numberText.EndsWith("f") || numberText.EndsWith("F")) {
numberText = numberText.Substring(0, numberText.Length - 1);
return Single.Parse(numberText) * factor;
} else if (numberText.EndsWith("m")) {
numberText = numberText.Substring(0, numberText.Length - 1);
return Decimal.Parse(numberText) * factor;
} else if (numberText.EndsWith("d") || numberText.EndsWith("D")) {
numberText = numberText.Substring(0, numberText.Length - 1);
}
return Double.Parse(numberText) * factor;
}
throw ASTWalkException.From("Encountered unrecognized constant", number.GetText());
}
public virtual string Walk(IParseTreeListener listener, IParseTree t)
{
counter++;
if (t is IErrorNode)
{
listener.VisitErrorNode((IErrorNode)t);
txt = txt + t.ToString();
return(txt);
}
else
{
if (t is ITerminalNode)
{
listener.VisitTerminal((ITerminalNode)t);
return(txt);
}
}
IRuleNode r = (IRuleNode)t;
string parentname = r.GetText();
//Console.WriteLine("##### PARENT " + counter + "####" + parentname + "#####");
EnterRule(listener, r);
int n = r.ChildCount;
for (int i = 0; i < n; i++)
{
Walk(listener, r.GetChild(i));
Console.WriteLine("##### CHILD " + i + " of " + parentname + "####" + r.GetChild(i).GetText() + "#####");
}
ExitRule(listener, r);
return(txt);
}
private static Object ParseNumber(IRuleNode number, int factor) {
var tokenType = GetSingleChildTokenType(number);
if (tokenType == EsperEPL2GrammarLexer.IntegerLiteral) {
return ParseIntLongByte(number.GetText(), factor);
}
else if (tokenType == EsperEPL2GrammarLexer.FloatingPointLiteral) {
var numberText = number.GetText();
if (numberText.EndsWith("f") || numberText.EndsWith("F")) {
return FloatValue.ParseString(number.GetText()) * factor;
}
else {
return DoubleValue.ParseString(number.GetText()) * factor;
}
}
throw ASTWalkException.From("Encountered unrecognized constant", number.GetText());
}
public override long VisitChildren(IRuleNode node)
{
throw new ValidationParseException($"Unexpected node: {node.GetText()}");
}
public override Expression VisitChildren(IRuleNode node)
{
writer($"{System.Reflection.MethodBase.GetCurrentMethod().Name} | Childs: {node.ChildCount} |{node.SourceInterval} | {node.GetText()}");
Expression expression = base.VisitChildren(node);
return(expression);
}
