This release is a pre-release and may not be stable for production use.
tiferet-ly
A Lex/Yacc Wrapper built with Tiferet
Overview
tiferet-ly lets you describe a small language — its words and the sentence patterns it accepts — as a declared list instead of hand-written code. Hand tiferet-ly that declaration and get back a working reader for text written in that language, built on Python's well-established Lex/Yacc engine (PLY). Adding a new keyword or sentence pattern becomes an edit to the declaration rather than a new function buried in a growing file, and the pieces around it can be tested without invoking the real parsing engine at all.
How it works
tiferet-ly runs every declared language through the same four-step
journey: declare a language's words and sentence patterns as YAML
catalogues (tokens, productions, grammars); translate each
declared rule into the literal function or string PLY's own conventions
require; assemble a lexer and parser for one grammar's effective rule
set; read text written in that language and hand back a structured
result — optionally a small, generic AstNode tree, rendered as a string
on request.
See Quick Start for a runnable, worked example (a
small calculator language) that walks through all four steps against the
checked-in configs/ example application.
Documentation
- Quick Start — a runnable, end-to-end example.
- Domain Vision Statement — what tiferet-ly is for and the value it aims to provide.
- Core Domain Distillation — the technical breakdown of its intended vocabulary, behaviors, and design commitments.
- AGENTS.md — orientation for contributors and AI agents working in this repository.
1 maintainer
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