README


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EPS -- Emacs Parsers
********************

Copyright (C) 2021 by JSDurand

   Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.  This file is offered as-is,
without warranty of any kind.

About
=====


Similar projects
================

Some similar projects are listed below, along with some comparisons
between this project and them.

- Tree-sitter

  This is a famous project, and I think it is really cool.  But my
  goal is to provide the user with an "interactive tool" to manipulate
  different context-free grammars, whereas Tree-sitter compiles the
  grammars to static codes.

  In addition, Tree-sitter implements the algorithm "GLR", which is an
  abbreviation of "Generalized Left-to-right (reversed) Right-most"
  algorithm.  It is in my humble opinion the most wide-spread
  generalized parsing algorithm that has been implemented in other
  places as well.  On the other hand, my aim is to implement many
  parsing algorithms.  Right now I have only implemented the variant
  of the "GLL" algorithm, called the "Clustered Non-terminal Parsing"
  algorithm, but in the future I hope I will implement many more.

- Emacs-Parser-Generator
  <https://github.com/cjohansson/emacs-parser-generator>

  This package seems interesting, as its whole codes are written in
  Emacs Lisp.