{
  "version": 3,
  "sources": ["../../../src/diagrams/railroad/parser/abnfParser.ts", "../../../src/diagrams/railroad/abnfDiagram.ts"],
  "sourcesContent": ["import {\n  MermaidParseError,\n  createRailroadAbnfServices,\n  type RailroadAbnf,\n  type AbnfAlternation,\n  type AbnfConcatenation,\n  type AbnfElement,\n  type AbnfGroup,\n  type AbnfNumVal,\n  type AbnfOptionalGroup,\n  type AbnfPrimary,\n  type AbnfRule as LangiumAbnfRule,\n  type AbnfRuleName,\n  type AbnfStringLiteral,\n} from '@mermaid-js/parser';\n\nimport type { ParserDefinition } from '../../../diagram-api/types.js';\nimport { log } from '../../../logger.js';\nimport { populateCommonDb } from '../../common/populateCommonDb.js';\nimport { db } from '../railroadDb.js';\nimport type { ASTNode, RailroadRule } from '../railroadTypes.js';\n\nconst langiumParser = createRailroadAbnfServices().RailroadAbnf.parser.LangiumParser;\n\nconst transformAlternation = (alt: AbnfAlternation): ASTNode => {\n  const alternatives = alt.alternatives.map(transformConcatenation);\n\n  if (alternatives.length === 1) {\n    return alternatives[0];\n  }\n\n  return {\n    type: 'choice',\n    alternatives,\n  };\n};\n\nconst transformConcatenation = (concat: AbnfConcatenation): ASTNode => {\n  const elements = concat.elements.map(transformElement);\n\n  if (elements.length === 1) {\n    return elements[0];\n  }\n\n  return {\n    type: 'sequence',\n    elements,\n  };\n};\n\nconst parseRepeat = (repeat: string): { min: number; max: number } => {\n  if (repeat.includes('*')) {\n    const [minStr, maxStr] = repeat.split('*');\n    const min = minStr ? parseInt(minStr, 10) : 0;\n    const max = maxStr ? parseInt(maxStr, 10) : Infinity;\n    return { min, max };\n  }\n  // Exact repeat: \"3\" means exactly 3\n  const exact = parseInt(repeat, 10);\n  return { min: exact, max: exact };\n};\n\nconst transformElement = (element: AbnfElement): ASTNode => {\n  const inner = transformPrimary(element.primary);\n\n  if (!element.repeat) {\n    return inner;\n  }\n\n  const { min, max } = parseRepeat(element.repeat);\n\n  if (min === 0 && max === 1) {\n    return { type: 'optional', element: inner };\n  }\n\n  return {\n    type: 'repetition',\n    element: inner,\n    min,\n    max,\n  };\n};\n\nconst transformPrimary = (primary: AbnfPrimary): ASTNode => {\n  switch (primary.$type) {\n    case 'AbnfStringLiteral':\n      return {\n        type: 'terminal',\n        value: (primary as AbnfStringLiteral).value,\n      };\n    case 'AbnfNumVal':\n      return {\n        type: 'terminal',\n        value: (primary as AbnfNumVal).value,\n      };\n    case 'AbnfRuleName':\n      return {\n        type: 'nonterminal',\n        name: (primary as AbnfRuleName).name,\n      };\n    case 'AbnfGroup':\n      return transformAlternation((primary as AbnfGroup).element);\n    case 'AbnfOptionalGroup':\n      return {\n        type: 'optional',\n        element: transformAlternation((primary as AbnfOptionalGroup).element),\n      };\n    default:\n      throw new Error(`Unsupported ABNF primary node: ${primary.$type}`);\n  }\n};\n\nconst transformRule = (rule: LangiumAbnfRule): RailroadRule => {\n  return {\n    name: rule.name,\n    definition: transformAlternation(rule.definition),\n  };\n};\n\nconst populateDb = (ast: RailroadAbnf): void => {\n  populateCommonDb(ast, db);\n\n  if (ast.title) {\n    db.setTitle(ast.title);\n  }\n\n  ast.rules.map((rule) => db.addRule(transformRule(rule)));\n};\n\nexport const parser: ParserDefinition = {\n  parse: (input: string): void => {\n    db.clear();\n    log.debug('[ABNF Parser] Starting Langium parse');\n\n    const result = langiumParser.parse<RailroadAbnf>(input);\n    if (result.lexerErrors.length > 0 || result.parserErrors.length > 0) {\n      throw new MermaidParseError(result);\n    }\n\n    const ast = result.value;\n    log.debug('[ABNF Parser] Parsed rules:', ast.rules.length);\n\n    populateDb(ast);\n    log.debug('[ABNF Parser] Parse complete');\n  },\n  parser: {\n    yy: db,\n  },\n};\n\nexport default parser;\n", "import type { DiagramDefinition } from '../../diagram-api/types.js';\nimport { parser } from './parser/abnfParser.js';\nimport { db } from './railroadDb.js';\nimport { renderer } from './railroadRenderer.js';\nimport { getStyles } from './styles.js';\n\nexport const diagram: DiagramDefinition = {\n  parser,\n  db,\n  renderer,\n  styles: getStyles,\n};\n"],
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