Скачать или смотреть Writing a JavaScript parser in JavaScript

Olie and Peter are back! In this video we finally start writing the long awaited parser logic which can just parse a simple arithmetic operation `+`. It also can parse it not and produce a meaningful error message 😎 The visibly functional style used for expressing the semantic rules (with all those optional return types) is inspired by the approach described in one of the chapters of one of the Haskell books out there (was long ago, will update the note if would recall which one).

The parser type is a recursive descent one: https://en.wikipedia.org/wiki/Recursi...

The source code (again, with bad commit messages, sorry) you can find in this repo: https://github.com/peter-leonov/picojs