import{En as e,On as t}from"./index-D6r_eLun.js";import{g 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().Railroad.parser.LangiumParser,l=t(e=>{switch(e.$type){case`RailroadTerminalExpr`:return{type:`terminal`,value:e.value};case`RailroadNonTerminalExpr`:return{type:`nonterminal`,name:e.name};case`RailroadSpecialExpr`:return{type:`special`,text:e.text};case`RailroadSequenceExpr`:{let t=e.elements.map(l);return t.length===1?t[0]:{type:`sequence`,elements:t}}case`RailroadChoiceExpr`:{let t=e.alternatives.map(l);return t.length===1?t[0]:{type:`choice`,alternatives:t}}case`RailroadOptionalExpr`:return{type:`optional`,element:l(e.element)};case`RailroadOneOrMoreExpr`:return{type:`repetition`,element:l(e.element),min:1,max:1/0};case`RailroadZeroOrMoreExpr`:return{type:`repetition`,element:l(e.element),min:0,max:1/0};default:throw Error(`Unsupported railroad expression: ${e.$type}`)}},`transformExpression`),u=t(e=>({name:e.name,definition:l(e.definition)}),`transformRule`),d=t(e=>{s(e,o),e.title&&o.setTitle(e.title),e.rules.map(e=>o.addRule(u(e)))},`populateDb`),f={parser:{parse:t(t=>{o.clear(),e.debug(`[Railroad 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(`[Railroad Parser] Parsed rules:`,i.rules.length),d(i),e.debug(`[Railroad Parser] Parse complete`)},`parse`),parser:{yy:o}},db:o,renderer:a,styles:i};export{f as diagram};