| 1 | module Sym = Tiger_symbol |
| 2 | |
| 3 | type unique |
| 4 | |
| 5 | type t = |
| 6 | | Unit |
| 7 | | Nil |
| 8 | | Int |
| 9 | | String |
| 10 | | Record of |
| 11 | { unique : unique |
| 12 | ; fields : record_fields |
| 13 | } |
| 14 | | Array of |
| 15 | { unique : unique |
| 16 | ; ty : t |
| 17 | } |
| 18 | | Name of Sym.t * t option ref |
| 19 | and record_fields = |
| 20 | (Sym.t * t) list |
| 21 | |
| 22 | type env = |
| 23 | (Sym.t, t ) Tiger_map.t |
| 24 | |
| 25 | val built_in : env |
| 26 | |
| 27 | val is_equal : t -> t -> bool |
| 28 | |
| 29 | val is_int : t -> bool |
| 30 | val is_string : t -> bool |
| 31 | val is_array : t -> bool |
| 32 | val is_record : t -> bool |
| 33 | val is_name : t -> bool |
| 34 | |
| 35 | val if_record : t -> f:(record_fields -> 'a) -> otherwise:(unit -> 'a) -> 'a |
| 36 | val if_array : t -> f:(t -> 'a) -> otherwise:(unit -> 'a) -> 'a |
| 37 | |
| 38 | val new_record : name:Sym.t -> fields:record_fields -> t |
| 39 | val new_array : name:Sym.t -> ty:t -> t |
| 40 | |
| 41 | val to_string : t -> string |