+ //Input input = new Tib(new FileInputStream(targetFile));
+ Tree ret = new CharParser(meta).parse(input).expand1();
+ if (ret==null) throw new NullPointerException("CharParser returned null");
+ return ret;
+ } catch (Throwable e) {
+ e.printStackTrace();
+ throw e;
+ }
+ }
+ public static Tree help(String grammarFile, String targetFile) throws Throwable {
+ try {
+ Tree<String> res = new CharParser(MetaGrammar.newInstance()).parse(new FileInputStream(grammarFile)).expand1();
+ Union meta = Grammar.create(res, "s",
+ new Grammar.Bindings() {
+
+ public Sequence createSequence(Production p) {
+ Element[] els = p.elements;
+ if (p.tag != null && !"".equals(p.tag))
+ return Sequence.create(p.tag, p.elements, p.drops, false);
+ int idx = -1;
+ for(int i=0; i<els.length; i++)
+ if (!p.drops[i])
+ if (idx==-1) idx = i;
+ else return Sequence.create(p.nonTerminal, p.elements, p.drops, false);
+ if (idx != -1) return Sequence.create(els, idx);
+ else return Sequence.create(els, null);
+ }
+
+ });
+ System.out.println();
+ System.out.println();
+ //CharInput input = new CharInput(new FileInputStream(targetFile), "", true);
+ Input input = new Tib(new FileInputStream(targetFile));