Compiler Crates

A collection of minimal Rust examples focused on compiler development.

• Read Online
• Source Code

Parsing & Lexing

• chumsky | docs - Parser combinator library with excellent error recovery
• combine | docs - Parser combinators with zero-copy mode for performance
• lalrpop | docs - LR(1) parser generator with powerful grammar syntax
• logos | docs - Fast, derive-based lexer generation
• nom | docs - High-performance parser combinators for binary and text formats
• peg | docs - Parsing expression grammar with inline syntax
• pest | docs - PEG parser generator with elegant grammar files
• rowan | docs - Lossless syntax trees with incremental reparsing
• rust_sitter | docs - Tree-sitter grammar generation through Rust macros
• rustc_lexer | docs - The actual lexer used by the Rust compiler
• winnow | docs - Parser combinators with a focus on maintainability

Parser Utilities

• nom_locate | docs - Location tracking for nom parsers
• quote | docs - Quasi-quoting for Rust code generation
• syn | docs - Rust syntax tree parsing and manipulation for procedural macros

Diagnostics

• ariadne | docs - Modern diagnostic reporting with emphasis on clarity
• codespan-reporting | docs - Beautiful compiler error messages with source snippets
• miette | docs - Comprehensive diagnostic framework with derive macros

Data Structures

• bitflags | docs - Type-safe bitmask flags for compiler IR and AST nodes
• bumpalo | docs - Fast bump allocation arena for compiler data structures
• id-arena | docs - Efficient arena allocation for AST and IR nodes
• indexmap | docs - Order-preserving hash maps for symbol tables
• smallvec | docs - Stack-allocated vectors for performance-critical paths
• symbol_table | docs - String interning for compiler symbols

Analysis & Algorithms

• petgraph | docs - Graph algorithms for control flow and dependency analysis

Code Generation

• cranelift | docs - Fast JIT code generator for WebAssembly and language runtimes
• dynasm | docs - Runtime assembler for ARM64 and x86-64 with compile-time syntax checking
• inkwell | docs - Safe LLVM bindings for generating optimized machine code
• melior | docs - MLIR bindings for multi-level IR compilation

Development Tools

• codespan | docs - Core span tracking and position management for compilers
• rustyline | docs - Line editing for REPL implementations

Build Commands

just build       # Build all crates
just test        # Run all tests
just lint        # Run clippy on all crates
just format      # Format all code
just build-docs  # Build documentation
just serve-docs  # Serve documentation locally

License

MIT Licensed. Copyright 2025 Stephen Diehl.