| .. Lark documentation master file, created by |
| sphinx-quickstart on Sun Aug 16 13:09:41 2020. |
| You can adapt this file completely to your liking, but it should at least |
| contain the root `toctree` directive. |
|
|
| Welcome to Lark's documentation! |
| ================================ |
|
|
| .. toctree:: |
| :maxdepth: 2 |
| :caption: Overview |
| :hidden: |
|
|
| philosophy |
| features |
| parsers |
|
|
| .. toctree:: |
| :maxdepth: 2 |
| :caption: Tutorials & Guides |
| :hidden: |
|
|
| json_tutorial |
| how_to_use |
| how_to_develop |
| recipes |
| examples/index |
|
|
|
|
| .. toctree:: |
| :maxdepth: 2 |
| :caption: Reference |
| :hidden: |
|
|
| grammar |
| tree_construction |
| classes |
| visitors |
| forest |
| nearley |
|
|
|
|
|
|
| Lark is a modern parsing library for Python. Lark can parse any context-free grammar. |
|
|
| Lark provides: |
|
|
| - Advanced grammar language, based on EBNF |
| - Three parsing algorithms to choose from: Earley, LALR(1) and CYK |
| - Automatic tree construction, inferred from your grammar |
| - Fast unicode lexer with regexp support, and automatic line-counting |
|
|
|
|
| Install Lark |
| -------------- |
|
|
| .. code:: bash |
|
|
| $ pip install lark-parser |
|
|
| Syntax Highlighting |
| ------------------- |
|
|
| - `Sublime Text & TextMate`_ |
| - `Visual Studio Code`_ (Or install through the vscode plugin system) |
| - `Intellij & PyCharm`_ |
| - `Vim`_ |
|
|
| .. _Sublime Text & TextMate: https://github.com/lark-parser/lark_syntax |
| .. _Visual Studio Code: https://github.com/lark-parser/vscode-lark |
| .. _Intellij & PyCharm: https://github.com/lark-parser/intellij-syntax-highlighting |
| .. _Vim: https://github.com/lark-parser/vim-lark-syntax |
|
|
| Resources |
| --------- |
|
|
| - :doc:`philosophy` |
| - :doc:`features` |
| - `Examples`_ |
| - `Online IDE`_ |
| - Tutorials |
|
|
| - `How to write a DSL`_ - Implements a toy LOGO-like language with |
| an interpreter |
| - :doc:`json_tutorial` - Teaches you how to use Lark |
| - Unofficial |
|
|
| - `Program Synthesis is Possible`_ - Creates a DSL for Z3 |
|
|
| - Guides |
|
|
| - :doc:`how_to_use` |
| - :doc:`how_to_develop` |
|
|
| - Reference |
|
|
| - :doc:`grammar` |
| - :doc:`tree_construction` |
| - :doc:`visitors` |
| - :doc:`forest` |
| - :doc:`classes` |
| - :doc:`nearley` |
| - `Cheatsheet (PDF)`_ |
|
|
| - Discussion |
|
|
| - `Gitter`_ |
| - `Forum (Google Groups)`_ |
|
|
|
|
| .. _Examples: https://github.com/lark-parser/lark/tree/master/examples |
| .. _Online IDE: https://lark-parser.github.io/lark/ide/app.html |
| .. _How to write a DSL: http://blog.erezsh.com/how-to-write-a-dsl-in-python-with-lark/ |
| .. _Program Synthesis is Possible: https://www.cs.cornell.edu/~asampson/blog/minisynth.html |
| .. _Cheatsheet (PDF): _static/lark_cheatsheet.pdf |
| .. _Gitter: https://gitter.im/lark-parser/Lobby |
| .. _Forum (Google Groups): https://groups.google.com/forum/#!forum/lark-parser |
|
|