public static FunctionNode parseJs(String aJsContent) {
   Source source = Source.sourceFor("", aJsContent); // NOI18N
   Options options = new Options(null);
   ScriptEnvironment env = new ScriptEnvironment(options, null, null);
   ErrorManager errors = new ErrorManager();
   Parser p = new Parser(env, source, errors);
   return p.parse();
 }
Beispiel #2
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 @Override
 public boolean parse(File file, ParserOptions options) throws IOException {
   final PrintWriter err =
       options.isPrintError()
           ? options.getProgressWriter()
           : new PrintWriter(new OutputStreamWriter(new ByteArrayOutputStream()));
   final ScriptEnvironment env =
       new ScriptEnvironment(
           new jdk.nashorn.internal.runtime.options.Options(file.getAbsolutePath()), err, err);
   final Source src = Source.sourceFor(file.getName(), file);
   final ErrorManager em = new ErrorManager(err);
   final Parser p = new Parser(env, src, em);
   final FunctionNode node = p.parse();
   return !em.hasErrors();
 }
 /**
  * Extracts the comments tokens from a JavaScript source.
  *
  * @param aSource a source
  * @return a list of comment tokens
  */
 public static List<Long> getCommentsTokens(String aSource) {
   TokenStream tokens = new TokenStream();
   Lexer lexer = new Lexer(Source.sourceFor("", aSource), tokens); // NOI18N
   long t;
   TokenType tt = TokenType.EOL;
   int i = 0;
   List<Long> commentsTokens = new ArrayList<>();
   while (tt != TokenType.EOF) {
     // Get next token in nashorn's parser way
     while (i > tokens.last()) {
       if (tokens.isFull()) {
         tokens.grow();
       }
       lexer.lexify();
     }
     t = tokens.get(i++);
     tt = Token.descType(t);
     if (tt == TokenType.COMMENT) {
       commentsTokens.add(t);
     }
   }
   return commentsTokens;
 }