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+import{n as e}from"./chunk-U6XO7XAA-BFxjP5U3.js";import{n as t}from"./chunk-Y2CYZVJY-DsF7k-Jl.js";import{m as n}from"./src-BY_WSiz7.js";import"./chunk-I66GZJ75-DyIufBk3.js";import"./chunk-3NCLNEKW-CxJ1byyi.js";import{n as r,r as i,t as a}from"./chunk-6Q2QTUOP-UdMAlPWh.js";import{t as o}from"./chunk-JWPE2WC7-DVXcaiue.js";import{t as s}from"./mermaid-parser.core-3r-A_QO0.js";var c=e().RailroadEbnf.parser.LangiumParser,l=t(e=>{let t=e.alternatives.map(u);return t.length===1?t[0]:{type:`choice`,alternatives:t}},`transformChoice`),u=t(e=>{let t=e.elements.map(p);return t.length===1?t[0]:{type:`sequence`,elements:t}},`transformSequence`),d=t(e=>{switch(e.$type){case`EbnfTerminal`:return{type:`terminal`,value:e.value};case`EbnfNonTerminal`:return{type:`nonterminal`,name:e.name};case`EbnfSpecial`:return{type:`special`,text:e.text};case`EbnfGroup`:return l(e.element);case`EbnfOptional`:return{type:`optional`,element:l(e.element)};case`EbnfRepetition`:return{type:`repetition`,element:l(e.element),min:0,max:1/0};default:throw Error(`Unsupported EBNF primary node: ${e.$type}`)}},`transformPrimary`),f=t((e,t)=>{switch(t.$type){case`EbnfOptionalPostfix`:return{type:`optional`,element:e};case`EbnfZeroOrMorePostfix`:return{type:`repetition`,element:e,min:0,max:1/0};case`EbnfOneOrMorePostfix`:return{type:`repetition`,element:e,min:1,max:1/0};case`EbnfExceptionPostfix`:return{type:`sequence`,elements:[e,{type:`terminal`,value:`-`},d(t.except)]};default:throw Error(`Unsupported EBNF postfix node: ${t.$type}`)}},`transformPostfix`),p=t(e=>e.postfixes.reduce((e,t)=>f(e,t),d(e.base)),`transformTerm`),m=t(e=>({name:e.name,definition:l(e.definition)}),`transformRule`),h=t(e=>{o(e,a),e.title&&a.setTitle(e.title),e.rules.map(e=>a.addRule(m(e)))},`populateDb`),g={parser:{parse:t(e=>{a.clear(),n.debug(`[EBNF Parser] Starting Langium parse`);let t=c.parse(e);if(t.lexerErrors.length>0||t.parserErrors.length>0)throw new s(t);let r=t.value;n.debug(`[EBNF Parser] Parsed rules:`,r.rules.length),h(r),n.debug(`[EBNF Parser] Parse complete`)},`parse`),parser:{yy:a}},db:a,renderer:i,styles:r};export{g as diagram};