Method that finds possible function calls in a script string.

getFunctionCalls

	/**
	 * Method that finds possible function calls in a script string.
	 * 
	 * @param eval
	 *            script string
	 * @return Collection of function calls
	 * @author Margus Martsepp
	 */
	public static Collection<String> getFunctionCalls(String eval) {
		ArrayList<String> result = new ArrayList<String>();

		try {
			Pattern r = Pattern.compile("(?:\\w+\\.)?\\w+(?=\\()");
			Matcher m = r.matcher(eval);

			while (m.find())
				result.add(eval.substring(m.start(), m.end()));
		} catch (Exception e) {
			// Suppress idiotic notifications, ex. eval = null.
			System.err.println(e.getStackTrace().toString());
		}

		return result;
	}