https://github.com/lmarzocchetti/cpplox

clox interpreter in C++
https://github.com/lmarzocchetti/cpplox

compiler cpp cpp20 crafting-interpreters interpreter virtual-machine

Last synced: 5 days ago
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clox interpreter in C++

• Host: GitHub
• URL: https://github.com/lmarzocchetti/cpplox
• Owner: lmarzocchetti
• Created: 2024-02-23T15:13:58.000Z (9 months ago)
• Default Branch: main
• Last Pushed: 2024-03-04T15:38:52.000Z (9 months ago)
• Last Synced: 2024-03-04T20:28:09.822Z (9 months ago)
• Topics: compiler, cpp, cpp20, crafting-interpreters, interpreter, virtual-machine
• Language: C++
• Homepage:
• Size: 29.3 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# cpplox

## Chapter that i'm implementing -> 17

### My implementation of CLox programming language from crafting interpreters but in C++23

I'm following the book but i'm trying to convert all the C code to C++ (C++23 standard), so the implementation is really

different from the book. However the content is the same as the original C code, but with some exercise solved.

For now i've implemented these extra parts:

- OP_CONSTANT_LONG: Operation in the VM to index not 1 byte like the standard OP_CONSTANT but 3 bytes (chapter 14, num 2)

- Dynamic stack size: Implemented with a c++ standard library stack (chapter 15, num 3)

- Faster OP_NEGATE: Instaed of popping the value, negate and push. I simply took the reference of the top element and negate it (Chapter 15, num 4)

### Optimization to implement

These are some optimization that i want implement, but i'm planning to do after i can run some code:

- [ ] Run-length-encoding: for line number (Chapter 14: num 1)

- [x] BINARY_OP C++: Get rid of the C macro for the BINARY_OP, and replace it with a constexpr std::function (only available in c++23)