vsi

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