modern and sane software engineering principles. In practice, this means that
we'll take a number of shortcuts to simplify the exposition. For example, the
code leaks memory, uses global variables all over the place, doesn't use nice
-design patterns like visitors, etc... but it is very simple. If you dig in and
-use the code as a basis for future projects, fixing these deficiencies shouldn't
-be hard.</p>
+design patterns like <a
+href="http://en.wikipedia.org/wiki/Visitor_pattern">visitors</a>, etc... but it
+is very simple. If you dig in and use the code as a basis for future projects,
+fixing these deficiencies shouldn't be hard.</p>
<p>I've tried to put this tutorial together in a way that makes chapters easy to
skip over if you are already familiar with or are uninterested in the various
so that you can use the lexer and parser together.
</p>
+<a href="LangImpl2.html">Next: Implementing a Parser and AST</a>
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