pub type Ebnf =
  List(Production)

pub type Node {
  Terminal(String)
  NonTerminal(String)
  Optional(Node)
  Repetition(Node)
  Sequence(List(Node))
  Alternative(Node)
}

Constructors

• Terminal(String)

• NonTerminal(String)

• Optional(Node)

• Repetition(Node)

• Sequence(List(Node))

• Alternative(Node)

pub type ParseError {
  UnterminatedTerminal(pos: Position)
  UnterminatedComment(pos: Position)
  EmptyTerminal(pos: Position)
  UnexpectedCharacter(c: String, pos: Position)
  UnexpectedToken(token: Token, expected: String)
  UnexpectedEnd(expected: String)
  DuplicateProductions(prods: List(String))
  UnusedProductions(prods: List(String))
  UndefinedProductions(prods: List(String))
}

Constructors

• UnterminatedTerminal(pos: Position)

• UnterminatedComment(pos: Position)

• EmptyTerminal(pos: Position)

• UnexpectedCharacter(c: String, pos: Position)

• UnexpectedToken(token: Token, expected: String)

• UnexpectedEnd(expected: String)

• DuplicateProductions(prods: List(String))

• UnusedProductions(prods: List(String))

• UndefinedProductions(prods: List(String))

pub type Position {
  Position(row: Int, col: Int)
}

Constructors

• Position(row: Int, col: Int)

pub type Production {
  Production(lhs: String, rhs: Node, is_start: Bool)
}

Constructors

• Production(lhs: String, rhs: Node, is_start: Bool)

pub type Token {
  Token(TokenKind, Position)
}

Constructors

• Token(TokenKind, Position)

pub type TokenKind {
  Eof
  LParen
  RParen
  LBracket
  RBracket
  LBrace
  RBrace
  Dot
  Bar
  Equal
  STerminal(String)
  SNonTerminal(String)
}

Constructors

• Eof

• LParen

• RParen

• LBracket

• RBracket

• LBrace

• RBrace

• Dot

• Bar

• Equal

• STerminal(String)

• SNonTerminal(String)