610 Open source projects that are alternatives of or similar to Libpypa

A parser library for Go

Simple Swift interpreter for the Pascal language inspired by the Let’s Build A Simple Interpreter article series.

A simple interpreter for a large subset of Pascal language written for educational purposes

snapdragon is an extremely pluggable, powerful and easy-to-use parser-renderer factory.

A lexer and parser for GraphQL in .NET

Converts a string into an array of tokens, with useful methods for looking ahead and behind, capturing, matching, et cetera.

竜 TatSu generates Python parsers from grammars in a variation of EBNF

Parses bash into an AST

Parser Building Toolkit for JavaScript

🌿 NodeJS PHP Parser - extract AST or tokens (PHP5 and PHP7)

Library to parse and work with the C++ AST

Lark is a parsing toolkit for Python, built with a focus on ergonomics, performance and modularity.

C++ Mathematical Expression Parsing And Evaluation Library

The Cub Programming Language

Implement a Lisp, in C, from scratch, no libs

Programming language that compiles into a x86 ELF executable.

Bare essentials for building abstract syntax trees, and skeleton classes for PLY lexers and parsers.

[Unstable] Fast, zero-copy and lightweight (Arm | Mips | x86) assembler in (C | C++ | C# | Go | Haskell | Javascript | Nim | OCaml | Python | Rust).

A modern CSS value compiler in JavaScript

(!! moved to tunnckoCore/opensource multi-package repository !!) 🔱 Parse a function into an object using espree, acorn or babylon parsers. Extensible through Smart Plugins.

⚡️Blazing-fast js-bbcode-parser, bbcode js, that transforms and parses to AST with plugin support in pure javascript, no dependencies

LILT: noun, A characteristic rising and falling of the voice when speaking; a pleasant gentle accent.

Safely evaluate JavaScript (estree) expressions, sync and async.

A library for working with abstract syntax trees.

A tiny compiler for a language featuring LL(2) with Lexer, Parser, ASM-like codegen and VM. Complex enough to give you a flavour of how the "real" thing works whilst not being a mere toy example

the smallest commonmark compliant markdown parser that exists; new basis for @unifiedjs (hundreds of projects w/ billions of downloads for dealing w/ content)

A tool set for CSS including fast detailed parser, walker, generator and lexer based on W3C specs and browser implementations

Go parsers for web formats

Tools to write high performance GraphQL applications using Go/Golang.

Fibers, Closures, C-Module System | NaN-boxing, bytecode-VM written in C++

The Lioness Programming Language

SQL(select) parser written with jison. parse SQL into abstract syntax tree(AST) and stringify back to SQL. sql grammar follows https://dev.mysql.com/doc/refman/5.7/en/select.html

Html Agility Pack (HAP) is a free and open-source HTML parser written in C# to read/write DOM and supports plain XPATH or XSLT. It is a .NET code library that allows you to parse "out of the web" HTML files.

A parser for invalid JSON

Automatic Haskell type inference from JSON input

💡 Build your own programming language! A C++17 PEG parser generator supporting parser combination, memoization, left-recursion and context-dependent grammars.

Rust grammar tool libraries and binaries

A library to parse gdb mi output and interact with gdb subprocesses

A tool for refactoring code related to feature flag APIs

Parser for Angular projects.

React component that handles csv file input and its parsing

⚡️ Render HTML5 as VDOM, with Components as Custom Elements!

🔪 Strictly RFC 3986 compliant URI parsing and handling library written in C89; moved from SourceForge to GitHub

Declarative binary reading and writing: bit-level, symmetric, serialization/deserialization

English (natural language) parser

Replaced by foonathan/lexy

Transform text files to XML, JSON, or YAML

sourced.ml is a library and command line tools to build and apply machine learning models on top of Universal Abstract Syntax Trees

Expression language for Go

TypeScript Compiler API wrapper for static analysis and programmatic code changes.

Semantic code search and transformation

Read Measurement Data Format (MDF) versions 3.x and 4.x file formats in python

Lexer and parser generators for F#

PSA: moved into babel/babel as @babel/parser -->

Blazing fast and Comprehensive CSV Parser for Node.JS / Browser / Command Line.

natural language processor powered by plugins part of the @unifiedjs collective

A command-line search utility for Python ASTs using XPath syntax.

parse a url with memoization

SystemVerilog compiler and language services

Collection of developer toolkits