Awesome
Langdev libraries for Rust
Lexers
logos Logos has two goals: To make it easy to create a Lexer, so you can focus on more complex problems and to make the generated Lexer faster than anything you'd write by handlrlex A replacement for lex/flex that generates Rust codelexgen A fully-featured lexer generator, implemented as a proc macro.
Parsers
lalrpop A convenient LR(1) parser generatornom A byte-oriented, zero-copy, parser combinators librarycombine Fast parser combinators on arbitrary streams with zero-copy support.pom PEG parser combinators using operator overloading without macros.peg A simple Parsing Expression Grammar (PEG) parser generator.glue Glue is a parser combinator framework for parsing text based formats, it is easy to use and relatively fast toopratt A general purpose pratt parser for Rustpest A general purpose parser written in Rust with a focus on accessibility, correctness, and performance using parsing expression grammars (PEG)lrpar A Yacc-compatible parser.
nimbleparse_lsp An LSP server for quickly developing lrpar parsers, which parses input buffers on grammar change bypassing code generation.
tree-sitter A parser generator for building fast editor-friendly parsers with features like streaming, incremental, resumable (re)parsing, with timeouts and cancellations, and advanced syntax node queries.rowan Generic lossless syntax trees
cstree A fork of rowan with threadsafe syntax trees and built-in source string interningchomp Chomp is a fast monadic-style parser combinator library designed to work on stable Rustoak A typed parser generator embedded in Rust code for Parsing Expression Grammarschumsky A friendly parser combinator crate that makes writing LL(k) parsers with error recovery easyrust-sitter A package for defining tree-sitter grammars alongside Rust logic
Regular expressions
regex An implementation of regular expressions for Rust. This implementation uses finite automata and guarantees linear time matching on all inputs.regress A regular expression engine targeting EcmaScript syntax.onig Rust-Onig is a set of Rust bindings for the Oniguruma regular expression library.
Codegen
cranelift Cranelift is a low-level retargetable code generatorllvm-sys Bindings to LLVM's C APIiced-x86 A blazing fast and correct x86/x64 disassembler, assembler and instruction decoderllama Friendly LLVM bindingsinkwell Inkwell aims to help you pen your own programming languages by safely wrapping llvm-sysllvm-ir LLVM IR in natural Rust data structuresllvmenv Manage multiple LLVM/Clang buildswalrus A library for performing WebAssembly transformationscilk Toy Compiler Infrastructure influenced by LLVM written in Rust.
String interning
lasso A multithreaded and single threaded string interner with a minimal memory footprint and arena allocationstring-interner A data structure to cache strings efficientlysimple-interner A simple append-only internerstring_cache A string interning library for Rust, developed as part of the Servo project
Just-in-time Compilation
iced-x86 A blazing fast and correct x86/x64 disassembler, assembler and instruction decodermasm-rs A JSC/SpiderMonkey like macro assemblerb3 Rust port of B3, LLVM-like backendjit (LibJIT) Just-In-Time Compilation in Rust using LibJIT bindingslightning-sys GNU lightning bindings for rustgccjit Higher-level Rust bindings for libgccjitcranelift Cranelift is a low-level retargetable code generator
dynasm A Dynamic assembler written in Rust for Rust
Error reporting
codespan-reporting Beautiful diagnostic reporting for text-based programming languagescodespan Data structures for tracking locations in source codetext-size A library that provides newtype wrappers for u32 and (u32, u32) for use as text offsetsariadne A fancy diagnostics & reporting cratemiette Fancy diagnostic reporting library and protocol for us mere mortals who aren't compiler hackers
Language server protocol
lsp-types Types for interaction with a language server, using VSCode's Language Server Protocoltower-lsp Language Server Protocol implementation based on Towercodespan-lsp Conversions between codespan types and Language Server Protocol typeslsp-server A generic LSP server scaffold
Testing
goldentests A golden file testing library where tests can be configured within the same test filelang_tester Concise language testing framework for compilers and VMs (Linux only)libtest-mimic Dynamically construct a test-harness that looks and behaves like Rust's built-in test harnesscompiletest_rs The compiletest utility from the Rust compiler as a standalone testing harnessinsta A snapshot testing library for Rustk9 Snapshot testing and better assertionsbulk_examples_generator A tool created in Rust for create dozens/hundreds/thousands/millions of random examples based on a pest grammar (PEG)
Unicode
Incremental compilation
salsa A generic framework for on-demand, incrementalized computationverde A refreshingly simple incremental computation library
Floats/Ints/Bools
lexical Lexical, to- and from-string conversion routines (Fast lexical conversion routines for both std and no_std environments)lexical-core Lexical, to- and from-string conversion routines (Low-level, lexical conversion routines for use in a no_std context)lexical_bool A bool-like type that can be parsed from a stringryu A Rust implementation of the PLDI'18 paper Ryū: fast float-to-string conversion by Ulf Adamsryu-js Ryū-js is a fork of the ryu crate adjusted to comply to the ECMAScript number-to-string algorithmhexponent C11 compliant hex float parsingordered-float Total ordering on floatshalf A half-precision floating point f16 type for Rust implementing the IEEE 754-2008 standardf128 Bindings to the gcc quadmath libraryapprox Approximate floating point equality comparisons and assertions
Binary & object file parsing, generating and processing
goblin An impish, cross-platform, ELF, Mach-o, and PE binary parsing and loading crategimli A library for reading and writing the DWARF debugging format.faerie ELF and Mach-o native binary object file emitterobject A unified interface for reading and writing object file formats.elf A pure-rust library for parsing ELF fileselfkit An elf parser and manipulation library in pure rust
Symbolic Execution
haybale Symbolic execution of LLVM IR
Solvers
rsmt2 Wrapper for SMT-LIB 2 compliant SMT solvers.z3 A high-level rust bindings for the Z3 SMT solver from Microsoft Researchz3-sys Low-level bindings for the Z3 SMT solver from Microsoft Researchz3_ref A high level interface to the Z3 SMT solverz3d Z3 DSL interface for Rustboolector Safe high-level bindings for the Boolector SMT solverboolector-sys Low-level bindings for the Boolector SMT solversmt2utils Libraries and tools for the SMT-LIB-2 standard
smt2parser A generic parser for SMT2 commands, as specified by the SMT-LIB-2 standardsmt2proxy An experimental binary tool to intercept and pre-process SMT2 commands before they are send to an SMT solverz3tracer An experimental parser for Z3 tracing logs obtained by passing trace=true proof=true to Z3
good_lp Mixed Integer Linear Programming for Rust, with an user-friendly API. This crate allows modeling LP problems, and lets you solve them with various solvers.- Axiom Profiler A tool for visualising, analysing and understanding quantifier instantiations made via E-matching in a run of an SMT solver
- [2017][PDF] Counterexample Guided Inductive Optimization based on Satisfiability Modulo Theories
CLI
structopt Parse command line arguments by defining a structclap A simple to use, efficient, and full-featured Command Line Argument Parserpico-args An ultra simple CLI arguments parserargh A derive-based argument parser optimized for code size
Configuration
etcetera A library that aims to allow you to determine the locations of configuration, cache and data files for your application. Existing Rust libraries generally do not give you a choice in terms of which standards/conventions (Etcetera calls these ‘strategies’) they follow. Etcetera, on the other hand, gives you the choicetoml A TOML decoder and encoder for Rust (optionally uses serde)envy Deserialize environment variables into typesafe structs (uses serde)
Repl
rustyline Rustyline, a readline implementation based on Antirez's Linenoiserepl-rs Library to generate a REPL for your applicationtermwiz Terminal Wizardry for Unix and Windows
String handling
beef Faster, more compact implementation of Cow.smol_str Small-string optimized string type with O(1) clonesmallstring 'Small string' optimization: store small strings on the stack using smallvecheck Heck is a case conversion library that exists to provide case conversion between common cases like CamelCase and snake_case. It is intended to be unicode aware, internally consistent, and reasonably well performingropey Ropey is a utf8 text rope for Rust, designed to be the backing text-buffer for applications such as text editors. Ropey is fast, robust, and can handle huge texts and memory-incoherent edits with ease.
Syntax trees
Pretty printing
pretty Wadler-style pretty-printing combinators in Rust
Variable binding
moniker An automagical variable binding library for tracking variables in scopes
Caching
cached Caching structures and simplified function memoization
WASM
wain WebAssembly interpreter written in Safe Rust with zero dependencieswasmer The high-level public API of the Wasmer WebAssembly runtimewasmtime High-level API to expose the Wasmtime runtimewasmtime-jit JIT-style execution for WebAsssembly code in Craneliftwasmlite-parser This crate parses WebAssembly modules and can generate LLVM IR based the data extracted from a moduleparity-wasm-cp WebAssembly binary format serialization/deserialization/interpretersubstrate-wasm-builder A utility for building WASM binarieswalrus A library for performing WebAssembly transformations
Logging
tracing Application-level tracing for Rust
tracing-tree A Tracing Layer which prints a tree of spans and events.tracing-forest Preserving contextual coherence among trace data from concurrent taskstracing-timing Inter-event timing metrics on top of tracingtracing-coz Rust-tracing support for the coz Causal Profilertracing-flame A tracing Layer for generating a folded stack trace for generating flamegraphs and flamecharts with infernotest-env-log A crate that takes care of automatically initializing logging and/or tracing for Rust tests.tracing-unwrap This crate provides .unwrap_or_log() and .expect_or_log() methods on Result and Option types that log failed unwraps to a tracing::Subscriber
log A Rust library providing a lightweight logging facadeslog An ecosystem of reusable components for structured, extensible, composable and contextual logging for Rust
Storage
slotmap Containers with persistent unique keys to access stored values: Insertion, deletion and access all take O(1) time with low overhead.indexmap A hash table with consistent order and fast iterationvecmap Vec-based Map and Set data structures
Disjoint-sets
union-find Struct and methods for union-find operationena An implementation of union-find in Rust; extracted from (and used by) rustc
Incremental Analysis
Timely Dataflow Resources
Fuzzing
honggfuzz-rs Honggfuzz is a security oriented fuzzer with powerful analysis options that supports evolutionary, feedback-driven fuzzing based on code coveragecargo-fuzz A cargo subcommand for using libFuzzerlibfuzzer-sys Barebones wrapper around LLVM's libFuzzer runtime librarywasm-smith A WebAssembly test case generatorfuzzcheck A structure-aware coverage-guided fuzzerlibafltest-fuzz
Fuzzing Resources
Graphs
Type Checking
rusttyc An interface that allows for an intuitive translation of inference rules based on a Hindney-Milner-like bounded type meet-semilattice into rust codepolytype A Hindley-Milner polymorphic typing system
Peephole Optimization
egg Egg is a flexible, high-performance e-graph librarypeepmatic A DSL for peephole optimizations and compiler for generating peephole optimizers from them
Garbage Collection
broom An ergonomic tracing garbage collector that supports mark 'n sweep garbage collectiongc A simple tracing (mark and sweep) garbage collector for Rustshredder Garbage collection as a library for Rustcomet A garbage collection library for implementing VMs in Rustmmtk Memory Management ToolKit (MMTk) for portable & efficient memory management in language VMs
Guides & Resources
Type Checking
Inlining
RVSDG
Equality Saturation
Uncategorized