Method parse

chapter21/src/main/java/com/seaofnodes/simple/Parser.java:135–135

()

    private <N extends Node> N ctrl(N n) { return _scope.ctrl(n); }

    public void parse() { parse(false); }
    public void parse(boolean show) {
        _xScopes.push(_scope);
        _scope.define(ScopeNode.CTRL, Type.CONTROL   , false, null, _lexer);