How to use

parseHeader

method

in

com.oracle.truffle.dsl.processor.java.compiler.JavaCCompiler

@Override
public String getHeaderComment(ProcessingEnvironment env, Element type) {
  try {
    String content = getContent(getTreeAndTopLevel(env, type)).toString();
    return parseHeader(content);
  } catch (Exception e) {
    return ElementUtils.printException(e);
  }
}