parser-generator

Name: parser-generator
Availability: InStock
Author: rainoftime

Generate LALR(1) and recursive-descent parsers from grammar specifications.

17|2|Updated Feb 16, 2026

Search Tags:#grammar #compiler #parser #ast #lexer

Ready to run

npx skills add https://github.com/rainoftime/pl-skills --skill parser-generator

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: parser-generator
Source: https://github.com/rainoftime/pl-skills/tree/main/parser-generator
Command: npx skills add https://github.com/rainoftime/pl-skills --skill parser-generator

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill automates the creation of parsers, which are essential components for understanding and processing structured text, thereby reducing the manual effort and potential errors in compiler and DSL development.

Core Features & Use Cases

Grammar Specification Parsing: Understands context-free grammars (like BNF) to define language structures.
Parser Generation: Creates efficient LALR(1) or recursive-descent parsers.
Ambiguity Resolution: Handles grammar ambiguities using precedence and associativity rules.
Use Case: When building a new programming language, use this Skill to generate a parser that can convert source code into an Abstract Syntax Tree (AST) for further processing.

Quick Start

Use the parser-generator skill to create a parser for a simple arithmetic expression grammar.

Frequently Asked Questions about parser-generator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I generate a parser from a BNF grammar specification?▼

You can generate parsers supporting LALR(1) and recursive-descent algorithms using Python, OCaml, and Rust. These generated parsers convert source code into an Abstract Syntax Tree (AST) for further processing.

How can I resolve grammar ambiguities when building a compiler?▼

To resolve grammar ambiguities when building a compiler, you apply precedence and associativity rules within your grammar specification. This ensures the generated parser correctly interprets conflicting language structures.

What is the best way to automatically generate an Abstract Syntax Tree?▼

The best way to automatically generate an Abstract Syntax Tree is to use a parser generator that processes your grammar specification. It handles AST generation directly, eliminating manual parsing logic for configuration files or DSLs.

Can I use LALR(1) parser generation for OCaml and Rust projects?▼

Yes, you can use LALR(1) parser generation for OCaml and Rust projects. The tool supports generating parsers in Python, OCaml, and Rust, allowing you to process structured text across these environments.

When do I need a parser generator for processing configuration files?▼

You need a parser generator for processing configuration files when the structure requires complex parsing logic that exceeds simple regex. It automates converting structured text into an AST, reducing manual effort and errors.