LeTrollVM

Java Virtual Machine written in Typescript and executed with BunJS.

Roadmap

• Printing
• Arithmetic
• Polymorphism
• JDK base classes (auto-Boxing)
  • Number
    • Integer
    • Float
    • Long
    • Double
  • Collections
    • ArrayList
    • HashMap
    • HashSet
    • LinkedList
  • String manipulation
    • StringBuilder
    • StringBuffer
• Multithreading
  • Thread
  • Atomics
    • AtomicInteger

Requirements

• JDK >= 19.0.2
  • javac
  • javap

Installation

bun install
./build_class.sh

Tests:

bun test

bun run index.ts <ClassName>

Resources

Java doc

https://docs.oracle.com/en/java/javase/19/docs/api/index.html

Java specs (for bytecode interpretation)

https://docs.oracle.com/javase/specs/jvms/se19/html/jvms-4.html https://docs.oracle.com/javase/specs/jvms/se19/html/jvms-5.html https://docs.oracle.com/javase/specs/jvms/se19/html/jvms-6.html