chenghuzi / dg

A programming language for the CPython VM.

dg

A (technically) simple language that compiles to CPython bytecode. DISCLAIMER: this project is just for fun, please don't use it for anything serious, thanks.

Requirements

CPython 3.4 or any other Python VM with equivalent bytecode (like PyPy3).

Installation

pip3 install git+https://github.com/pyos/dg

Usage

python -m dg
python -m dg file.dg argument1 argument2
python -m dg <<< 'print "Hello, World!"'
echo 'print "Hello, World!"' > dg_module.dg; python -c 'import dg, dg_module'

More complex stuff

http://pyos.github.io/dg/

Text editor support

• Sublime Text and TextMate bundle
• GEdit/GtkSourceView syntax definition
• vim plugin (courtesy of Michele Lacchia)
• Atom syntax (by Ale)

To-do

• String interpolation: i"{expression #flags}" == "{:flags}".format expression
• Tools for easy AST manipulation.
• Compiler extension API.
• Some of the more obscure Python features: exception causes, function annotations.