macro-expander

Name: macro-expander
Availability: InStock
Author: rainoftime

Implement hygienic macro systems for compile-time syntactic abstraction and code generation.

17|2|Updated Feb 16, 2026

Search Tags:#code generation #macros #metaprogramming #lisp #compile-time #syntactic abstraction

Ready to run

npx skills add https://github.com/rainoftime/pl-skills --skill macro-expander

💬 Prompt for ChatGPT / Claude Chat▼

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

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill enables the creation of powerful macro systems that allow for syntactic abstraction and code generation at compile time, effectively extending the programming language itself.

Core Features & Use Cases

Syntactic Abstraction: Define custom syntax for cleaner, more expressive code.
Code Generation: Generate repetitive code structures automatically.
DSL Implementation: Build domain-specific languages embedded within a host language.
Use Case: Imagine you frequently write complex data validation logic. You can create a macro that generates this boilerplate code from a simple, declarative specification, saving significant development time and reducing errors.

Quick Start

Define a hygienic macro in Scheme that expands a simple loop construct into recursive function calls.

Frequently Asked Questions about macro-expander

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

FAQPage Schema

How do I use compile-time macros for code generation?▼

Compile-time macros generate repetitive code structures automatically by defining transformation rules on abstract syntax trees, expanding syntax before runtime to reduce boilerplate and errors.

What is syntactic abstraction in metaprogramming?▼

Syntactic abstraction in metaprogramming defines custom syntax to extend the host language, creating cleaner and more expressive domain-specific languages through compile-time transformations.

How do I create a domain-specific language embedded in a host language?▼

You create an embedded domain-specific language by writing macros that transform custom declarative syntax into standard host language code at compile time, simplifying complex logic like data validation.

Can I implement pattern matching and recursive expansion in macros?▼

Yes, macro systems can implement pattern matching and recursive expansion, allowing complex syntactic constructs to unfold into nested or iterative code structures during the compilation phase.

Do I need to understand abstract syntax trees to write hygienic macros?▼

Yes, writing hygienic macros requires understanding abstract syntax trees and transformation rules to prevent variable capture and ensure correct compile-time code generation.

When should I not use macros for code generation?▼

You should avoid compile-time macros when runtime flexibility is required or when the syntax transformations obscure code readability rather than clarifying the domain logic.