Method peekToken

rhino/src/main/java/org/mozilla/javascript/Parser.java:436–464

()

    // Note that this function always returned the un-flagged token!
    // The flags, if any, are saved in currentFlaggedToken.
    private int peekToken() throws IOException {
        // By far the most common case:  last token hasn't been consumed,
        // so return already-peeked token.
        if (currentFlaggedToken != Token.EOF) {
            return currentToken;
        }

        int tt = ts.getToken();
        boolean sawEOL = false;

        // process comments and whitespace
        while (tt == Token.EOL || tt == Token.COMMENT) {
            if (tt == Token.EOL) {
                sawEOL = true;
                tt = ts.getToken();
            } else {
                if (compilerEnv.isRecordingComments()) {
                    String comment = ts.getAndResetCurrentComment();
                    recordComment(ts.getTokenStartLineno(), ts.getTokenColumn(), comment);
                    break;
                }
                tt = ts.getToken();
            }
        }

        currentToken = tt;
        currentFlaggedToken = tt | (sawEOL ? TI_AFTER_EOL : 0);
        return currentToken; // return unflagged token
    }

    private int lineNumber() {
        return lastTokenLineno;