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Home » Modeling » M2T (model-to-text transformation) » XPAND parser exception contains wrong line number(org.eclipse.internal.xtend.xtend.parser.ParseException: no viable alternative at character '·' on line 9800291)

XPAND parser exception contains wrong line number [message #1828223]

Thu, 04 June 2020 06:56

Eclipse User

Im using xpand to get a Template form a xpt file.
there are special characters in the file which is causing parser exception but xpand is sending wrong line number as part of exception message.

When debugged found that there is bug in class XpandParseFacade.java at line number 83 in createError method

e.line is passed as second parameter instead of as third parameter for SyntaxError constructor.

 protected static XtendError createError(final RecognitionException e, final String string) {
    if (e.token == null) {
      return new SyntaxError(e.index, e.line, e.index + 1, string);
    }
    final CommonToken t = (CommonToken) e.token;
    return new SyntaxError(t.getStartIndex(), t.getStopIndex(), t.getLine(), string);
  }

Re: XPAND parser exception contains wrong line number [message #1828247 is a reply to message #1828223]

Thu, 04 June 2020 14:34

Eclipse User

Hi

Xpand is pretty dead, subsumed by the String Template functionality of Xtend.

Unfortunately Xtend, as a better Java, is dying though I hope its String Templates will live on somehow.

You can try making a patch available via GIT.

Regards

Edward Willink

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