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| | zserge.com
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| | Explore PL/0, a simplified subset of Pascal, and learn how to build a lexer, a parser and an interpreter from scratch.
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| | rcoh.me
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| The code for this post, as well as the post itself, are on github. This post is part 2 of a 3 part series. Part 1: Parsing Part 2: Generate an NFA Part 3: Evaluate an NFA Converting the Parse Tree to an NFA In the last post, we transformed the flat string representation of a regular expression to the hierarchical parse tree form. In this post we'll transform the parse tree to a state machine.