The language-javascript package

[ Tags: bsd3, language, library ] [ Propose Tags ]

Parses Javascript into an Abstract Syntax Tree (AST). Initially intended as frontend to hjsmin.

Note: Version 0.5.0 breaks compatibility with prior versions, the AST has been reworked to allow round trip processing of JavaScript.


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Versions 0.0.1, 0.0.2, 0.0.3, 0.1.0, 0.2.0, 0.2.1, 0.2.2, 0.3.0, 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.4.4, 0.4.5, 0.4.6, 0.4.7, 0.4.8, 0.4.9, 0.4.10, 0.5.0, 0.5.1, 0.5.2, 0.5.3, 0.5.4, 0.5.5, 0.5.6, 0.5.7, 0.5.8, 0.5.9, 0.5.11, 0.5.12, 0.5.13, 0.5.13.1, 0.5.13.2, 0.5.13.3, 0.5.13.4, 0.5.14.0, 0.5.14.1, 0.5.14.2, 0.5.14.3, 0.5.14.4, 0.5.14.5, 0.5.14.6, 0.5.14.7, 0.6.0.0, 0.6.0.1, 0.6.0.2, 0.6.0.3, 0.6.0.4, 0.6.0.5, 0.6.0.6, 0.6.0.7, 0.6.0.8, 0.6.0.9, 0.6.0.10
Dependencies array (>=0.3), base (==4.*), blaze-builder (>=0.2), bytestring (>=0.9.1), containers (>=0.2), mtl (>=1.1), text (>=1.2), utf8-string (>=0.3.7 && <2) [details]
License BSD3
Copyright (c) 2010-2015 Alan Zimmerman, 2015 Erik de Castro Lopo
Author Alan Zimmerman
Maintainer Erik de Castro Lopo <erikd@mega-nerd.com>
Category Language
Home page https://github.com/erikd/language-javascript
Bug tracker https://github.com/erikd/language-javascript/issues
Source repository head: git clone https://github.com/erikd/language-javascript.git
Uploaded Wed Jun 7 10:07:18 UTC 2017 by ErikDeCastroLopo
Distributions Arch:0.6.0.10, Debian:0.5.14.2, Fedora:0.6.0.9, FreeBSD:0.5.14.2, LTSHaskell:0.6.0.10, NixOS:0.6.0.10, Stackage:0.6.0.10, Tumbleweed:0.6.0.10
Downloads 37645 total (145 in the last 30 days)
Rating 0.0 (0 ratings) [clear rating]
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Status Docs available [build log]
Last success reported on 2017-06-07 [all 1 reports]
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Readme for language-javascript-0.6.0.10

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Parser for JavaScript

Build Status

Based (loosely) on language-python

Two Versions

There are currently two versions:

  • 0.5 series : Is a continuation of the 0.5.X.Y series, from the [master] (https://github.com/erikd/language-javascript/tree/master) branch of this github repository.

  • 0.6 series : This has a vastly different and improved AST which makes if far more difficult to build an non-sensical Javascript AST. This code is in the new-ast branch of this github repository.

How to build

Library:

cabal clean && cabal configure && cabal build

Tests:

cabal clean && cabal configure -fbuildtests && cabal build

Running the tests

./dist/build/runtests/runtests

To debug the grammar

happy -iparse.txt -g -a  -d src/Language/JavaScript/Parser/Grammar5.y

This generates src/Language/JavaScript/Parser/Grammar5.hs, delete this when done with the debug version

UTF8/Unicode version

Alex 3.0 now supports unicode natively, and has been included as a dependency in the cabal file.

Note: The generation of the lexical analyser has been separated out, to remove the install-time dependency on Alex. If any changes need to be made to the lexer, the Lexer.x source lies in src-dev, and the runalex.sh script will invoke Alex with the appropriate directories.