EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Lobsters·Aug 24·5 min read
Micro language implementation: Calcium
TL;DR
Calcium is a minimal language implementation that demonstrates how languages like Python are built, featuring a tokenizer, parser, AST, compiler, bytecodes, and execution engine in about 300 lines of code.
✦ Why It Matters
Explore Calcium to deepen your understanding of language implementation and clarify misconceptions about Python.
Key Takeaways
- Experiment with Calcium to learn about language design.
- Use Calcium to clarify Python's interpreted vs. compiled nature.
- Add features to Calcium for hands-on learning.
- Explore the execution engine to understand bytecode processing.
How It Works
Calcium operates by first tokenizing the input code, breaking it down into manageable pieces. The parser then constructs an abstract syntax tree (AST) from these tokens, which represents the hierarchical structure of the code.
The compiler translates the AST into bytecode, a lower-level representation that the execution engine can interpret and execute. This process illustrates the steps involved in transforming high-level code into a form that can be executed by a machine.