!7

lib 1400354 // JEXL
lib 1400355 // commons logging api

import org.apache.commons.jexl3.*;

p-exp {
  JexlEngine jexl = new JexlBuilder().create();
  
  S exp = "a*2+b";
  JexlExpression expr = jexl.createExpression(exp);

  // populate the context
  JexlContext context = new MapContext;
  context.set("a", 5);
  context.set("b", 1);

  // evaluate
  assertEqualsVerbose(11, expr.evaluate(context));
}