vsi

very simple interpreter written in pure python

very simple interpreter written in pure python without any third party dependencies.

Installation

you will need python interpreter and pip package manager after that run this command

$ pip install vsi

note: for linux and mac users you may want to prefix the command with sudo

Quick Start

# this is a comment

# variables
x := 1;
y := x + 2;

# printing
print x;
print y;

# if statements
if y > x then
    z := y;
# optional else
else
    z := x;
done

# while statemnt
while x < 5 do
    x := x + 1;
    print x;
done

save this to hello.vsi file and then

$ vsi hello.vsi

output

see more examples at examples/ folder

Is it tested

yes, follow the following steps:

$ # first clone the repository
$ git clone https://github.com/afaki077/vsi.git
$ # change directory to the clone repository
$ cd vsi
$ # install required packages for testing
$ pip install -r test-requirements.txt
$ # let's run tests
$ py.test