/**
 * Public surface of the formula engine.
 *
 * Nothing in `./` imports Vue, the DOM or any spreadsheet library. See
 * ./README.md for the grammar (EBNF), the evaluation model and the error model.
 */

export { tokenize, LexError, type Token, type TokenType } from './lexer';
export {
  parseFormula,
  parseFunctionBlock,
  collectRefs,
  ParseError,
  type Node,
  type CellNode,
  type RangeNode,
  type NamedRefNode,
  type BlockNode,
} from './parser';
export { evaluate } from './evaluator';
export { DependencyGraph } from './graph';
export { FUNCTIONS, getFunction, hasFunction, BUILTIN_SIGNATURES } from './functions';
export {
  colToNumber,
  numberToCol,
  parseA1,
  toA1,
  looksLikeCell,
  expandRange,
  cycleReferenceLocks,
  currentIdentifierAtCaret,
} from './refs';
export {
  Workbook,
  literalValue,
  type TableModel,
} from './workbook';
export {
  dateToSerial,
  timeSerial,
  serialToUtcDate,
  todaySerial,
  nowSerial,
  parseDateTimeLiteral,
  type DateLiteralKind,
} from './dates';
export {
  buildFunctionIndex,
  expandUserFunctions,
  collectCalledFunctionNames,
  collectCalledFunctionNamesInBlock,
  declaredBlockNames,
  findInvalidForSource,
  blockAlwaysReturns,
  type FunctionDef,
} from './userFunctions';
export {
  FormulaError,
  isError,
  keyOf,
  parseKey,
  ERROR_CODES,
  type ErrorCode,
  type CellValue,
  type CellRef,
  type Scalar,
  type EngineHost,
  type NamedRangeDef,
} from './types';