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https://github.com/npryce/code-words

Extract individual (natural-language) words from source code
https://github.com/npryce/code-words

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Extract individual (natural-language) words from source code

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README

        

Code Words
==========

Get a handle on unfamiliar code by extracting and visualising the natural language programmers used when writing it.

![Board Game Example](https://raw.github.com/npryce/code-words/master/examples/multiplayer-board-game.png)

An example generated from a multiplayer boardgame written in Java.

Usage
-----

-code * | code-to-words -k ... -s ... | wordcloud -o .png

E.g.

java-code project/src/ | code-to-words -k java-keywords -s cargo-cult-java-stop-words | wordcloud -o project.png

The stop-keyword files and stop-word files must have a single word per
line.

The words in keyword-files are filtered out after identifiers
have been extracted from the language but before any further processing.

The words in stop-word-files are filtered out after the identifiers
have been split into separate words at underscores or camel-case
boundaries and normalised to lowercase.

The wordcloud command has the following options:

* -o _output-file_: output file name (image type is determined from the extension)
* -s _width_x_height_ : width of the output image

Languages supported
-------------------

* C: `c-code`
* `c-keywords`: most C keywords
* `c-primitive-type-keywords`: ignores basic C types (int, char, etc.)
* C++: `c++-code`
* `c++-keywords`: most C++ keywords
* `c-primitive-type-keywords`: ignores basic C types (int, char, etc.)
* C#: `csharp-code`
* `csharp-keywords`: most C# keywords
* `c-primitive-type-keywords`: ignores basic C types (int, char, etc.)
* Haskell: `haskell-code`
* `haskell-keywords`
* HTML: `html-text`
* no stop words file provided. Stop words files for various natural languages can be found on the web.
* Java: `java-code`.
* `java-keywords`: most keywords
* `java-primitive-type-keywords`: ignores primitive types
* `cargo-cult-java-stop-words`: ignores get, set, bean etc. Use with the -s flag.
* JavaScript: `javascript-code`.
* `javascript-keywords`: ignores keywords and reserved words (from ECMA-262 Edition 3)
* `java-primitive-type-keywords`: ignores primitive types
* `nodejs-globals-keywords`: ignores node.js globals
* Python: `python-code`
* `python-keywords`: most keywords
* Ruby: `ruby-code`
* `ruby-keywords`
* Scala: `scala-code`
* `scala-keywords`
* PHP: `php-code`
* `php-keywords`: shows some keywords that may be the result of poor programming practice.
* `php-strict-keywords`: ignores all keywords
* Smalltalk: `smalltalk-code`
* `smalltalk-keywords`: ignores keywords

Examples
--------

Example visualisations of various applications are in the examples/ directory.

Dependencies
------------

To extract text from source code:

* Bash
* Gnu Sed
* Grep
* Awk

To extract text from HTML:

* w3m

To visualise the results

* Java 1.6

It should work on any desktop Linux. It does not yet work on MacOS unless you install the Gnu command-line tools. If you install Gnu sed as `gsed` the script will use it.

To compile the Java wordcloud generator:

* JDK 1.6
* Gnu Make