rami3l / dolores

A tree-walking interpreter for the Lox Programming Language.

dolores

"... light of my life."

The Lox Programming Language implemented in Rust.

Ported from the original Java-based jlox tree-walking interpreter*, but with no visitor patterns, no null values, no subclasses and implicit conversions, just pure enums.

Gc<T> is a necessary evil...

* : For the bytecode VM interpreter, see rami3l/golox.

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Contents

• dolores
  • Contents
  • Features
  • Try it out!

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Features

• Lexer
• Parser
• Basic types
• Floating point arithmetic
• Logic expressions
• Control flow
  • Jumps: break/continue**
    • Semantic analysis: jumping out of loops
• Functions
  • Lambdas**
  • Semantic analysis: returning out of functions
  • Semantic analysis: static closure captures
• Classes
  • Instances
  • Instance methods
    • this
      • Semantic analysis: this out of classes
    • Initializers
      • Semantic analysis: returning values in initializers
  • Inheritance
    • super
      • Semantic analysis: super out of subclasses

** : Extension

Try it out!

With the latest Rust toolchain installed, just execute:

cargo run