Method scanScript

src/main/java/org/apache/groovy/antlr/LexerFrame.java:191–232

(final StringReader reader)

    }

    private void scanScript(final StringReader reader) throws Exception {
        scriptPane.read(reader, null);
        reader.reset();

        // create lexer
        final GroovyLangLexer lexer = new GroovyLangLexer(reader);

        tokenPane.setEditable(true);
        tokenPane.setText("");

        int line = 1;
        final ButtonGroup bg = new ButtonGroup();
        Token token;

        int tokenCnt = 0;
        while (true) {
            token = lexer.nextToken();
            JToggleButton tokenButton = new JToggleButton(tokens.get(token.getType()));
            tokenButton.setFont(MONOSPACED_FONT);
            bg.add(tokenButton);
            tokenButton.addActionListener(this);
            tokenButton.setToolTipText(token.getText());
            tokenButton.putClientProperty("token", token);
            tokenButton.setMargin(new Insets(0, 1, 0, 1));
            tokenButton.setFocusPainted(false);
            if (token.getLine() > line) {
                tokenPane.getDocument().insertString(tokenPane.getDocument().getLength(), "\n", null);
                line = token.getLine();
            }
            insertComponent(tokenButton);
            tokenCnt++;
            if (eof().equals(token.getType())) {
                break;
            }
        }

        tokenStreamLabel.setText(" Token Stream(" + tokenCnt + "):");

        tokenPane.setEditable(false);
        tokenPane.setCaretPosition(0);
        reader.close();
    }

    private Integer eof() {
        return GroovyLangLexer.EOF;