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2 lines
2.0 KiB
JavaScript
2 lines
2.0 KiB
JavaScript
import{g as l,r as m,d as n}from"./chunk-MOJQB5TN.CiSdFNtX.js";import{p}from"./chunk-JWPE2WC7.C9webpn6.js";import{_ as t,l as o}from"./mermaid.core.TSSz6aZW.js";import{a as u,M as f}from"./cynefin-VYW2F7L2.DDB6TQyK.js";import"./framework.C2AwuPrQ.js";var c=u().RailroadEbnf.parser.LangiumParser,s=t(e=>{const r=e.alternatives.map(E);return r.length===1?r[0]:{type:"choice",alternatives:r}},"transformChoice"),E=t(e=>{const r=e.elements.map(d);return r.length===1?r[0]:{type:"sequence",elements:r}},"transformSequence"),i=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 s(e.element);case"EbnfOptional":return{type:"optional",element:s(e.element)};case"EbnfRepetition":return{type:"repetition",element:s(e.element),min:0,max:1/0};default:throw new Error(`Unsupported EBNF primary node: ${e.$type}`)}},"transformPrimary"),b=t((e,r)=>{switch(r.$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:"-"},i(r.except)]};default:throw new Error(`Unsupported EBNF postfix node: ${r.$type}`)}},"transformPostfix"),d=t(e=>e.postfixes.reduce((r,a)=>b(r,a),i(e.base)),"transformTerm"),y=t(e=>({name:e.name,definition:s(e.definition)}),"transformRule"),v=t(e=>{p(e,n),e.title&&n.setTitle(e.title),e.rules.map(r=>n.addRule(y(r)))},"populateDb"),g={parse:t(e=>{n.clear(),o.debug("[EBNF Parser] Starting Langium parse");const r=c.parse(e);if(r.lexerErrors.length>0||r.parserErrors.length>0)throw new f(r);const a=r.value;o.debug("[EBNF Parser] Parsed rules:",a.rules.length),v(a),o.debug("[EBNF Parser] Parse complete")},"parse"),parser:{yy:n}},R={parser:g,db:n,renderer:m,styles:l};export{R as diagram};
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