type token =
  Hgen_parser.token =
    K_BOOL of Hgen_types.loc
  | K_ENUM of Hgen_types.loc
  | K_IMPLEMENTS of Hgen_types.loc
  | K_MODULE of Hgen_types.loc
  | K_STRUCT of Hgen_types.loc
  | K_BYTE of Hgen_types.loc
  | K_EXCEPTION of Hgen_types.loc
  | K_THROWS of Hgen_types.loc
  | K_CLASS of Hgen_types.loc
  | K_EXTENDS of Hgen_types.loc
  | K_INTERFACE of Hgen_types.loc
  | K_OUT of Hgen_types.loc
  | K_TRUE of Hgen_types.loc
  | K_CONST of Hgen_types.loc
  | K_FALSE of Hgen_types.loc
  | K_LOCAL of Hgen_types.loc
  | K_SEQUENCE of Hgen_types.loc
  | K_VOID of Hgen_types.loc
  | K_DICTIONARY of Hgen_types.loc
  | K_SHORT of Hgen_types.loc
  | K_DOUBLE of Hgen_types.loc
  | K_IDEMPOTENT of Hgen_types.loc
  | K_LONG of Hgen_types.loc
  | K_STRING of Hgen_types.loc
  | K_INT of Hgen_types.loc
  | K_FLOAT of Hgen_types.loc
  | IDENT of (string * Hgen_types.loc)
  | STRING_LITERAL of (string * Hgen_types.loc * Hgen_types.loc)
  | INT_LITERAL of (int64 * Hgen_types.loc)
  | FLOAT_LITERAL of (float * Hgen_types.loc)
  | LBRACE of Hgen_types.loc
  | RBRACE of Hgen_types.loc
  | LANGLE of Hgen_types.loc
  | RANGLE of Hgen_types.loc
  | LPAREN of Hgen_types.loc
  | RPAREN of Hgen_types.loc
  | LBRACK of Hgen_types.loc
  | RBRACK of Hgen_types.loc
  | LDBRACK of Hgen_types.loc
  | RDBRACK of Hgen_types.loc
  | SEMI of Hgen_types.loc
  | COMMA of Hgen_types.loc
  | ASTERISK of Hgen_types.loc
  | DCOLON of Hgen_types.loc
  | EQUAL of Hgen_types.loc
  | EOF of Hgen_types.loc
val start :
  (Lexing.lexbuf -> token) -> Lexing.lexbuf -> Hgen_types.AST.def list