stack-vm - A simple stack virtual machine simulator

Note This project can be tested online at https://npm.runkit.com/stack-vm. Currently no graphical functions are implemented.

Installation

Note Requires a recent version of NodeJS and NPM installed on the system

To use the program as a command line application, install like so:

npm install -g stack-vm

To use the program using the JavaScript API, then run the comman:

npm install --save stack-vm

Command Line

Run the command:

stack-vm run ./source-code.vm

If you want to execute the program step by step, execute as follows:

stack-vm run --step-by-step 1 ./source-code.vm

JavaScript API

import { StackVM, StdActions, Parser } from "./index";
 
const instructions = Parser.parse( `
start
pushi 2
writei
pushs "\n"
writes
stop
` );
 
const vm = new StackVM( StdActions, instructions );
 
vm.executeAll()
    .catch( error => console.error( error.message, error.stack ) );