Iridium VM

So You Want to Build a Language VM in Rust — Part 12

Strings: Their Secret Agenda

So You Want to Build a Language VM — Part 12

What are Strings?

So You Want to Build a Language VM in Rust — Part 11

Memory

Intro

Right now, we have one place to store data: registers. These are great, but we only have 32 of them, and they only store i32s. What if we want to store, say, strings…

So You Want to Build a Language VM in Rust — Part 10

Assembler 3: Assemble Harder

Improving the Assembler

Our assembler right now can recognize one opcode, load. We need to teach it to recognize all the…

So You Want to Build a Language VM in Rust — Part 09

Assembler 2: Cruise Control

Megazord…ACTIVATE!!!

We’ve written basic parsers. Now we can take a step up on the abstraction ladder and create a parser that…

So You Want to Build a Language VM in Rust — Part 07

REPL and Code Execution

A More Advanced REPL

Our current REPL doesn’t do a ton, so let’s fix that. In this post, we’ll be adding some commands to look at the…

So You Want to Build a Language VM in Rust — Part 08

Assembler: The Beginning

Instructions…Assemble!

We could torture ourselves by writing all our programs in hex, and if that’s your thing, this section is…

So You Want to Build a Language VM in Rust — Part 06

The REPL

REPL stands for Read, Evaluate, and Print Loop. It is also referred to as the interactive interpreter for a language. For example, if you open up Terminal or iTerm, we can look at Python’s REPL:

So You Want to Build a Language VM in Rust — Part 05

Equality Checks

Hey, you’ve made it this far! Congrats! I wish I could say we’re near the end to give you some hope, but, well…sorry. =)

So You Want to Build a Language VM in Rust — Part 03

More Basic Opcodes

Right now, our VM can do one thing: halt. An important feature to be sure, but we should probably add in more opcodes to do things like, oh, load, add, multiple, etc.