Iridium VM

So You Want to Build a Language VM in Rust — Part 15

Makes the CLI interface a bit more robust and useful

CLI Improvements

Having to start the interpreter, then type .load_file, etc is cumbersome. Let’s change it so that the VM…

So You Want to Build a Language VM in Rust— Part 14

Symbol Tables

Assembler Struct

Welcome back! When we last left our intrepid readers, we were about to write an assembler struct.

So You Want to Build a Language VM in Rust — Part 13

Labels

Intro

Hey everyone! I know I promised labels in the previous part, but as I was writing it, I realized there are some prerequisites we can do. Completing them will make…

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…