Source file print.ml
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(** Print - pretty-printing of expressions values *)
open Mopsa_utils
open Ast.Var
open Ast.Expr
open Yojson.Basic
module Map = MapExtPoly
module Set = SetExtPoly
(** {1 Print objects} *)
type symbols = {
sopen : string;
ssep : string;
sbind : string;
sclose : string;
}
type ('k,'v) map = ('k,'v) Map.t
type 'v set = 'v Set.t
type print_object =
| Empty
| Bool of bool
| Int of Z.t
| Float of float
| String of string
| Var of var
| Map of (print_object, print_object) map * symbols
| List of print_object list * symbols
| Set of print_object set * symbols
let default_map_symbols = { sopen = ""; ssep = ","; sclose = ""; sbind = ":" }
let default_list_symbols = { sopen = "["; ssep = ","; sclose = "]"; sbind = "" }
let default_set_symbols = { sopen = "{"; ssep = ","; sclose = "}"; sbind = "" }
let rec compare_print_object o1 o2 =
match o1,o2 with
| Empty, Empty -> 0
| Bool b1, Bool b2 -> compare b1 b2
| Int n1, Int n2 -> Z.compare n1 n2
| Float f1, Float f2 -> compare f1 f2
| String s1, String s2 -> String.compare s1 s2
| Var v1, Var v2 -> compare_var v1 v2
| Map(m1,_), Map(m2,_) -> Map.compare compare_print_object m1 m2
| List(l1,_), List(l2,_) -> Compare.list compare_print_object l1 l2
| Set(s1,_), Set(s2,_) -> Set.compare s1 s2
| _ -> compare o1 o2
(** {1 Printers} *)
type printer = {
mutable body : print_object;
mutable prev_exprs: ExprSet.t;
}
let get_printed_object printer = printer.body
let empty_printer () =
{ body = Empty;
prev_exprs = ExprSet.empty }
let get_printed_exprs printer =
ExprSet.elements printer.prev_exprs
let add_printed_expr printer exp =
printer.prev_exprs <- ExprSet.add exp printer.prev_exprs
let mem_printed_expr printer exp =
ExprSet.mem exp printer.prev_exprs
(** {1 Print paths} *)
type print_selector =
| Key of string
| Index of int
| Obj of print_object
type print_path = print_selector list
let rec find_print_object path obj =
match path, obj with
| [],_ -> obj
| Key k::tl, Map (m,_) -> find_print_object tl (Map.find (String k) m)
| Key k::tl, Empty -> Empty
| Key _::_,_ -> Exceptions.panic "find_print_object: key selector on non-map object"
| Obj o::tl, Map (m,_) -> find_print_object tl (Map.find o m)
| Obj o::tl, Empty -> Empty
| Obj _::_,_ -> Exceptions.panic "find_print_object: obj selector on non-map object"
| Index i::tl, List (l,_) -> begin try find_print_object tl (List.nth l i) with Failure _ -> raise Not_found end
| Index i::tl, Empty -> Empty
| Index _::_,_ -> Exceptions.panic "find_print_object: index selector on non-list object"
let rec match_print_object_keys re obj =
match obj with
| Map (map,sym) ->
let map' =
Map.fold
(fun k v acc ->
match k with
| String s ->
if Str.string_match re s 0
then Map.add k v acc
else acc
| _ -> acc
) map (Map.empty ~compare:compare_print_object) in
if Map.is_empty map' then Empty else Map(map',sym)
| List(list,sym) ->
let list' =
List.fold_left
(fun acc v ->
let v' = match_print_object_keys re v in
match v' with
| Empty -> acc
| _ -> v' :: acc
) [] list in
if list' = [] then Empty else List(List.rev list',sym)
| Set(set,sym) ->
let set' =
Set.fold
(fun v acc ->
let v' = match_print_object_keys re v in
match v' with
| Empty -> acc
| _ -> Set.add v' acc
) set (Set.empty compare_print_object) in
if Set.is_empty set' then Empty else Set(set',sym)
| Empty | Int _ | Bool _ | Float _ | String _ | Var _ -> obj
(** {1 Generic print functions} *)
let rec is_leaf = function
| Empty | Bool _ | Int _ | Float _ | String _ | Var _ -> true
| Map _ -> false
| List(l,_) -> List.for_all is_leaf l
| Set(s,_) -> Set.for_all is_leaf s
let rec is_atomic = function
| Empty | Bool _ | Int _ | Float _ | String _ | Var _ -> true
| _ -> false
let is_empty = function
| Empty -> true
| _ -> false
let rec pp_print_object fmt = function
| Empty -> ()
| Bool b -> Format.pp_print_bool fmt b
| Int n -> Z.pp_print fmt n
| Float f -> Format.pp_print_float fmt f
| String s -> Format.pp_print_string fmt s
| Var v -> pp_var fmt v
| Map (m,sym) ->
let sopen = if sym.sopen = "" then "" else sym.sopen ^ " " in
let sclose = if sym.sclose = "" then "" else " " ^ sym.sclose in
Format.(
fprintf fmt "%s @[<v>%a@] %s"
sopen
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt "%s@ " sym.ssep)
(fun fmt (k,v) ->
if is_leaf v then
fprintf fmt "@[<hov2>%a %s @,%a@]"
pp_print_object k sym.sbind
pp_print_object v
else
fprintf fmt "@[<v2>%a %s @,%a@]"
pp_print_object k sym.sbind
pp_print_object v
)
) (Map.bindings m)
sclose
)
| List (l,sym) ->
let sopen = if sym.sopen = "" then "" else sym.sopen ^ " " in
let sclose = if sym.sclose = "" then "" else " " ^ sym.sclose in
Format.(
fprintf fmt "%s@[<hv>%a@]%s"
sopen
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt "%s@ " sym.ssep)
pp_print_object
) l
sclose
)
| Set (s,sym) ->
let sopen = if sym.sopen = "" then "" else sym.sopen ^ " " in
let sclose = if sym.sclose = "" then "" else " " ^ sym.sclose in
Format.(
fprintf fmt "%s @[<hv>%a@] %s"
sopen
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt "%s@ " sym.ssep)
pp_print_object
) (Set.elements s)
sclose
)
let rec merge o1 o2 =
if compare o1 o2 = 0 then
o1
else
if is_empty o1 then o2 else
if is_empty o2 then o1 else
if is_atomic o1 && is_atomic o2 then
List([o1; o2], default_list_symbols)
else
match o1, o2 with
| Empty, o | o, Empty ->
o
| List(l1, sym1), List(l2, sym2) ->
List(l1 @ l2, sym1)
| List(l, sym), o | o, List(l, sym) ->
List(o :: l, sym)
| Map(m1, sym1), Map(m2, sym2) ->
let m =
Map.map2zo
(fun k1 v1 -> v1)
(fun k2 v2 -> v2)
(fun k v1 v2 -> merge v1 v2)
m1 m2
in
Map(m, sym1)
| Set(s1, sym1), Set(s2, sym2) ->
Set(Set.union s1 s2, sym1)
| Set(s, sym), o | o, Set(s, sym) ->
Set(Set.add o s, sym)
| _ ->
Exceptions.panic "merge:@\n @[%a@]@\nand@\n @[%a@]"
pp_print_object o1
pp_print_object o2
let rec singleton path obj =
match path with
| [] ->
obj
| Key k :: tl ->
Map (Map.singleton ~compare:compare_print_object (String k) (singleton tl obj), default_map_symbols)
| Index i :: tl ->
if i = 0 then List ([singleton tl obj], default_list_symbols)
else List (List.init (i - 1) (fun _ -> Empty) @ [singleton tl obj], default_list_symbols)
| Obj o :: tl ->
Map (Map.singleton ~compare:compare_print_object o (singleton tl obj), default_map_symbols)
let pprint ?(path=[]) printer obj =
printer.body <- merge (singleton path obj) printer.body
let pflush fmt printer = pp_print_object fmt printer.body
let format f fmt x =
let printer = empty_printer () in
f printer x;
pflush fmt printer
let unformat ?(path=[]) f printer x =
Format.kasprintf (fun str ->
pprint printer (String str) ~path
) "%a" f x
let pbox f x =
let printer = empty_printer () in
f printer x;
printer.body
let fbox fmt =
Format.kasprintf (fun str ->
pbox (fun printer str -> pprint printer (String str)) str
) fmt
let fprint ?(path=[]) printer fmt =
Format.kasprintf (fun str ->
pprint ~path printer (String str)
) fmt
let sprint f x =
Format.asprintf "%a" (format f) x
let fkey fmt =
Format.kasprintf (fun str ->
Key str
) fmt
let pkey f x =
fkey "%a" (format f) x
(** {1 Typed print functions} *)
let pp_int ?(path=[]) printer n =
pprint ~path printer (Int (Z.of_int n))
let pp_z ?(path=[]) printer z =
pprint ~path printer (Int z)
let pp_bool ?(path=[]) printer b =
pprint ~path printer (Bool b)
let pp_float ?(path=[]) printer f =
pprint ~path printer (Float f)
let pp_string ?(path=[]) printer str =
pprint ~path printer (String str)
let pp_variable ?(path=[]) printer v =
pprint ~path printer (Var v)
let pp_obj_list ?(path=[]) ?(lopen=default_list_symbols.sopen) ?(lsep=default_list_symbols.ssep) ?(lclose=default_list_symbols.sclose) printer l =
pprint ~path printer
(List (l, {default_list_symbols with sopen=lopen; ssep=lsep; sclose=lclose}))
let pp_list ?(path=[]) ?(lopen=default_list_symbols.sopen) ?(lsep=default_list_symbols.ssep) ?(lclose=default_list_symbols.sclose) f printer l =
pp_obj_list ~path ~lopen ~lsep ~lclose printer
(List.map (pbox f) l)
let pp_obj_map ?(path=[]) ?(mopen=default_map_symbols.sopen) ?(msep=default_list_symbols.ssep) ?(mclose=default_map_symbols.sclose) ?(mbind=default_map_symbols.sbind) printer l =
let m = Map.of_list compare_print_object l in
pprint ~path printer (Map (m, {sopen=mopen; ssep=msep; sclose=mclose; sbind=mbind}))
let pp_map ?(path=[]) ?(mopen=default_map_symbols.sopen) ?(msep=default_list_symbols.ssep) ?(mclose=default_map_symbols.sclose) ?(mbind=default_map_symbols.sbind) fk fv printer l =
pp_obj_map ~path ~mopen ~msep ~mclose ~mbind printer
(List.map (fun (k,v) -> (pbox fk k,pbox fv v)) l)
let pp_mapi ?(path=[]) ?(mopen=default_map_symbols.sopen) ?(msep=default_list_symbols.ssep) ?(mclose=default_map_symbols.sclose) ?(mbind=default_map_symbols.sbind) fk fv printer l =
pp_obj_map ~path ~mopen ~msep ~mclose ~mbind printer
(List.map (fun (k,v) -> (pbox fk k,pbox fv (k, v))) l)
let pp_obj_set ?(path=[]) ?(sopen=default_set_symbols.sopen) ?(ssep=default_set_symbols.ssep) ?(sclose=default_set_symbols.sclose) printer s =
pprint ~path printer
(Set (s, {default_set_symbols with sopen; ssep; sclose}))
let pp_set ?(path=[]) ?(sopen=default_set_symbols.sopen) ?(ssep=default_set_symbols.ssep) ?(sclose=default_set_symbols.sclose) f printer s =
let l = List.map (pbox f) (Set.elements s) in
pp_obj_set ~path ~sopen ~ssep ~sclose printer (Set.of_list compare_print_object l)
(** {1 JSON} *)
let rec print_object_to_json = function
| Empty -> `Null
| Bool b -> `Bool b
| Int n -> `Int (Z.to_int n)
| Float f -> `Float f
| String s -> `String s
| Var v -> `String (Format.asprintf "%a" pp_var v)
| Map (m,_) ->
`Assoc (
Map.bindings m |>
List.map (fun (k,v) ->
let k = Format.asprintf "%a" pp_print_object k in
k, print_object_to_json v
)
)
| List (l,_) -> `List (List.map print_object_to_json l)
| Set (s,_) -> `List (Set.elements s |> List.map print_object_to_json)
let rec json_to_print_object = function
| `Null -> Empty
| `Bool b -> Bool b
| `Int n -> Int (Z.of_int n)
| `Float f -> Float f
| `String s -> String s
| `Assoc a ->
let m = List.map (fun (k,v) -> (String k,json_to_print_object v)) a |>
Map.of_list compare_print_object in
Map(m,default_map_symbols)
| `List l -> List(List.map json_to_print_object l,default_list_symbols)