// script that recognizes images or performs some kind of analysis on an image
concept G22RecognizerScript > G22LeftArrowScript {
  void modifyParser(GazelleV_LeftArrowScriptParser parser) {
    parser.addVar("image", BufferedImage.class, false);
  }
  
  class CompiledAnalyzer > LASCompileResult {
    settable double timeout = 10;
    
    O get(BufferedImage image) {
      if (parsedScript == null) throw(parseError);
      if (image == null) fail("Need image");
      
      ret evalWithTimeout(timeout, -> {
        new VarContext ctx;
        ctx.set(+image);
        ret parsedScript.get(ctx);
      });
    }
  }
  
  LASCompileResult newCompileResult() { ret new CompiledAnalyzer; }
  
  CompiledAnalyzer compileForAutoRun() {
    ret (CompiledAnalyzer) super.compileForAutoRun();
  }
}