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cymbal's Introduction

Cymbal

Yet another Rust implementation of the Monkey language from "Writing an Interpreter in Go" and "Writing a Compiler in Go."

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Development

Start REPL:

# Run in eval mode to directly evaluate AST
cargo run -- repl
# or
cargo run -- repl --eval

# Run in compile mode to compile AST into bytecode and execute it on VM
cargo run -- repl --compile

Build:

cargo build

Test:

cargo test

Benchmark with recursive fibonacci:

cargo run --release -- benchmark --eval
cargo run --release -- benchmark --compile

License

MIT

cymbal's People

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cymbal's Issues

Serialize/deserialize bytecode

  • Add a compile command to compile the given source code to bytecode and output it as a file.
  • Add a command to read the given file and execute it as bytecode

Abstraction levels of instructions and constants

In the Bytecode struct, instructions is Vec<u8> that needs to be parsed by VM while constants is Vec<Constant> that is already parsed into structs. It would be nice (for the sake of consistency!) if they have the same level of abstraction.

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