RPyLox

This repository is an RPython implementation for Lox. Read more at https://craftinginterpreters.com/

Prerequisite

RPython and Python 2.7

This code base is built with RPython and PyPy 2.7. Please download PyPy repository and put it at the root.

wget https://downloads.python.org/pypy/pypy2.7-v7.3.14-src.tar.bz2
tar xf pypy2.7-v7.3.14-src.tar.bz2 && mv pypy2.7-v7.3.14-src pypy

PyPy 2.7 is based on Python 2.7. Please install Python 2.7 instead of Python 3.x.

Build

You can use Makefile to build rlox-jit and rlox-interp.

rlox-jit supports meta-tracing compialtion and runs faster for loop-heavy programs for example.

make targetlox-jit

rlox-interp is an interpreter compiled by RPython.

make targetlox-interp

Progress

• Chapter 16
• Chapter 17
• Chapter 18
• Chapter 19
• Chapter 20
  • Skip this chapter because we can use built-in hash tables
• Chapter 21
• Chapter 22
• Chapter 23
• Chapter 24
  • Finished 24.5.1 (2023/12/27)
• Chapter 25
• Chapter 26
• Chapter 27
• Chapter 28
• Chapter 29
• Chapter 30