import{En as e,On as t}from"./index-D6r_eLun.js";import{m as n,t as r}from"./mermaid-parser.core-BItfoGLM.js";import{n as i,r as a,t as o}from"./chunk-MOJQB5TN-DYfRxFD_.js";import{t as s}from"./chunk-JWPE2WC7-BBxS46F4.js";var c=n().RailroadAbnf.parser.LangiumParser,l=t(e=>{let t=e.alternatives.map(u);return t.length===1?t[0]:{type:`choice`,alternatives:t}},`transformAlternation`),u=t(e=>{let t=e.elements.map(f);return t.length===1?t[0]:{type:`sequence`,elements:t}},`transformConcatenation`),d=t(e=>{if(e.includes(`*`)){let[t,n]=e.split(`*`);return{min:t?parseInt(t,10):0,max:n?parseInt(n,10):1/0}}let t=parseInt(e,10);return{min:t,max:t}},`parseRepeat`),f=t(e=>{let t=p(e.primary);if(!e.repeat)return t;let{min:n,max:r}=d(e.repeat);return n===0&&r===1?{type:`optional`,element:t}:{type:`repetition`,element:t,min:n,max:r}},`transformElement`),p=t(e=>{switch(e.$type){case`AbnfStringLiteral`:return{type:`terminal`,value:e.value};case`AbnfNumVal`:return{type:`terminal`,value:e.value};case`AbnfRuleName`:return{type:`nonterminal`,name:e.name};case`AbnfGroup`:return l(e.element);case`AbnfOptionalGroup`:return{type:`optional`,element:l(e.element)};default:throw Error(`Unsupported ABNF primary node: ${e.$type}`)}},`transformPrimary`),m=t(e=>({name:e.name,definition:l(e.definition)}),`transformRule`),h=t(e=>{s(e,o),e.title&&o.setTitle(e.title),e.rules.map(e=>o.addRule(m(e)))},`populateDb`),g={parser:{parse:t(t=>{o.clear(),e.debug(`[ABNF Parser] Starting Langium parse`);let n=c.parse(t);if(n.lexerErrors.length>0||n.parserErrors.length>0)throw new r(n);let i=n.value;e.debug(`[ABNF Parser] Parsed rules:`,i.rules.length),h(i),e.debug(`[ABNF Parser] Parse complete`)},`parse`),parser:{yy:o}},db:o,renderer:a,styles:i};export{g as diagram};