type 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