Module parser 

Parser module: public API and re-exports.

Modules

ast

AST – Abstract Syntax Tree for Gel syntax Represents the parsed Gel document structure

core

Core parser state (reserved for future caching / streaming context).

json

JSON output generator - converts AST to JSON

lexer

Lexer – Generic tokenization (core Gel + identifiers) using nom.

syntax

Main parser – converts token stream into AST.

validate

Semantic validation pass – runs after parsing, before execution. Collects Diagnostic entries for issues like duplicate grammars, undefined references, and invalid regex patterns.

xml

XML output generator - converts AST to XML

yaml

YAML output generator - converts AST to YAML

Structs

Parser

High-level parser that tokenizes Gel source, builds an AST, and serializes it to the selected OutputFormat.

Enums

OutputFormat

Syntax-level output format for the static parser (AST → string).