Awesome GitHub RepositoriesSingle-Pass Compilers

Zig is a low-level systems programming language designed for writing high-performance software that interacts directly with hardware. It focuses on the transformation of source code into machine binaries for the execution of low-level operations. The project is distinguished by its native support for cross-compilation, allowing binaries for various operating systems and CPU architectures to be built from a single host. It provides direct interoperability with the C language, enabling the import of headers and function calls without a foreign function interface. The language utilizes manual m

Wasmtime is a WebAssembly runtime and sandboxed bytecode executor designed to run WebAssembly bytecode on a host system. It functions as an embeddable engine that integrates into applications through native APIs and language-specific bindings, as well as a standalone execution environment accessible via a command line interface. It is a WASI compatible runtime, implementing the WebAssembly System Interface to provide portable access to system resources. The engine utilizes a JIT compilation model to translate intermediate representation into optimized machine code for various CPU architecture

Hermes is a mobile-optimized JavaScript runtime and engine designed for React Native. It functions as an ahead-of-time bytecode compiler that converts JavaScript source code into a dense binary format during the build process to eliminate the need for parsing and compilation at runtime. The engine features a baseline JIT compiler that generates native machine code for frequently called functions to improve performance after the initial launch. It also includes a mobile-optimized garbage collector that precisely identifies reachable objects to minimize memory overhead and pause times on resour

c4 is a minimalist C compiler and programming tool designed to translate C source code into executable machine code using a small set of functions. It functions as a stripped-down compilation utility focused on a tiny codebase. The project serves as an educational tool for studying the internal mechanics of the compilation process. It implements minimalist C compilation to demonstrate how source files are transformed into low-level binary executables. The compiler utilizes a single-pass compilation model with recursive descent parsing and direct-to-binary emission. It manages the translation

Crafting Interpreters is a comprehensive resource for building a complete programming language from scratch. It provides a structured guide to the fundamental components of language implementation, including lexing, parsing, and the design of execution engines. The project demonstrates two distinct approaches to language execution: a tree-walking interpreter that evaluates source code by traversing its abstract syntax structure, and a stack-based virtual machine that compiles code into custom bytecode for execution. These implementations are supported by core runtime mechanisms such as lexica

QuickJS is a lightweight, memory-efficient JavaScript engine and runtime designed for embedding within C applications. It provides a small binary footprint and supports the latest ECMAScript standards, enabling the execution of JavaScript code with fast startup times and low memory usage. The project includes a standalone JavaScript compiler that transforms source code into independent binary executables. These files run on a machine without requiring an external language runtime. The engine implements deterministic memory management through reference counting and cycle collection. It also p