tip-parser 0.4 · OCaml Package

Trivial AST for parsing

val pp_str : Format.formatter -> string -> unit

val pp_to_string : (Format.formatter -> 'a -> 'b) -> 'a -> string

module Loc = Tip_loc

type var = string

type ty_var = string

type ty =

| Ty_bool
| Ty_app of ty_var * ty list
| Ty_arrow of ty list * ty

Polymorphic types

type typed_var = var * ty

type term =

| True
| False
| Const of string
| App of string * term list
| HO_app of term * term
| Match of term * match_branch list
| If of term * term * term
| Let of (var * term) list * term
| Fun of typed_var * term
| Eq of term * term
| Imply of term * term
| And of term list
| Or of term list
| Not of term
| Distinct of term list
| Cast of term * ty
| Forall of (var * ty) list * term
| Exists of (var * ty) list * term

AST: S-expressions with locations

and match_branch =

| Match_default of term
| Match_case of string * var list * term

type cstor = {

cstor_name : string;
cstor_args : (string * ty) list;

}

type 'arg fun_decl = {

fun_ty_vars : ty_var list;
fun_name : string;
fun_args : 'arg list;
fun_ret : ty;

}

type fun_def = {

fr_decl : typed_var fun_decl;
fr_body : term;

}

type funs_rec_def = {

fsr_decls : typed_var fun_decl list;
fsr_bodies : term list;

}

type statement = {

stmt : stmt;
loc : Loc.t option;

}

and stmt =

| Stmt_decl_sort of string * int
| Stmt_decl of ty fun_decl
| Stmt_fun_def of fun_def
| Stmt_fun_rec of fun_def
| Stmt_funs_rec of funs_rec_def
| Stmt_data of ty_var list * (string * cstor list) list
| Stmt_assert of term
| Stmt_lemma of term
| Stmt_assert_not of ty_var list * term
| Stmt_prove of ty_var list * term
| Stmt_check_sat

val ty_bool : ty

val ty_app : ty_var -> ty list -> ty

val ty_const : ty_var -> ty

val ty_arrow_l : ty list -> ty -> ty

val ty_arrow : ty -> ty -> ty

val true_ : term

val false_ : term

val const : string -> term

val app : string -> term list -> term

val ho_app : term -> term -> term

val ho_app_l : term -> term list -> term

val match_ : term -> match_branch list -> term

val if_ : term -> term -> term -> term

val fun_ : typed_var -> term -> term

val fun_l : typed_var list -> term -> term

val let_ : (var * term) list -> term -> term

val eq : term -> term -> term

val imply : term -> term -> term

val and_ : term list -> term

val or_ : term list -> term

val distinct : term list -> term

val cast : term -> ty:ty -> term

val forall : (var * ty) list -> term -> term

val exists : (var * ty) list -> term -> term

val not_ : term -> term

val _mk : ?loc:Loc.t -> stmt -> statement

val mk_cstor : string -> (string * ty) list -> cstor

val mk_fun_decl : ty_vars:ty_var list -> string -> 'a list -> ty -> 'a fun_decl

val mk_fun_rec : 
  ty_vars:ty_var list ->
  string ->
  typed_var list ->
  ty ->
  term ->
  fun_def

val decl_sort : ?loc:Loc.t -> string -> arity:int -> statement

val decl_fun : 
  ?loc:Loc.t ->
  tyvars:ty_var list ->
  string ->
  ty list ->
  ty ->
  statement

val fun_def : ?loc:Loc.t -> fun_def -> statement

val fun_rec : ?loc:Loc.t -> fun_def -> statement

val funs_rec : ?loc:Loc.t -> typed_var fun_decl list -> term list -> statement

val data : ?loc:Loc.t -> ty_var list -> (string * cstor list) list -> statement

val assert_ : ?loc:Loc.t -> term -> statement

val lemma : ?loc:Loc.t -> term -> statement

val assert_not : ?loc:Loc.t -> ty_vars:ty_var list -> term -> statement

val prove : ?loc:Loc.t -> ty_vars:ty_var list -> term -> statement

val check_sat : ?loc:Loc.t -> unit -> statement

val loc : statement -> Loc.t option

val view : statement -> stmt

val fpf : Format.formatter -> ('a, Format.formatter, unit) format -> 'a

val pp_list : 
  ?start:string ->
  ?stop:string ->
  ?sep:string ->
  (Format.formatter -> 'a -> unit) ->
  Format.formatter ->
  'a list ->
  unit

val pp_tyvar : Format.formatter -> string -> unit

val pp_ty : Format.formatter -> ty -> unit

val pp_term : Format.formatter -> term -> unit

val pp_typed_var : Format.formatter -> typed_var -> unit

val pp_par : 
  (Format.formatter -> 'a -> unit) ->
  Format.formatter ->
  (string list * 'a) ->
  unit

val pp_fun_decl : 
  (Format.formatter -> 'a -> unit) ->
  Format.formatter ->
  'a fun_decl ->
  unit

val pp_fr : Format.formatter -> fun_def -> unit

val pp_stmt : Format.formatter -> statement -> unit

Errors

exception Parse_error of Loc.t option * string

val parse_error : ?loc:Loc.t -> string -> 'a

val parse_errorf : ?loc:Loc.t -> ('a, unit, string, 'b) format4 -> 'a

package tip-parser

Trivial AST for parsing

Errors