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pass_ExplicitInstantiation.ml
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pass_ExplicitInstantiation.ml
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(*
Copyright © 2011 MLstate
This file is part of OPA.
OPA is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License, version 3, as published by
the Free Software Foundation.
OPA is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
more details.
You should have received a copy of the GNU Affero General Public License
along with OPA. If not, see <http://www.gnu.org/licenses/>.
*)
(* refactoring in progress *)
(* depends *)
module List = BaseList
module Map = Base.Map
module Format = Base.Format
module String = BaseString
(* alias *)
module Inspect = QmlTypesUtils.Inspect
module TypedExpr = QmlAstCons.TypedExpr
module TypeIdent = QmlAst.TypeIdent
module TypeIdentTable = QmlAst.TypeIdentTable
module TypeIdentSet = QmlAst.TypeIdentSet
module TypeVarMap = QmlTypeVars.TypeVarMap
(* shorthands *)
module Q = QmlAst
(* -- *)
(* Here a reference to published map *)
type published_map = (Annot.label * Ident.t * [`one_lambda | `two_lambdas]) option IdentMap.t
let published_ref = ref (IdentMap.empty : published_map)
(* Same hack as above, but for ei to update the link between current identifiers and the one before slicing *)
let renaming_map = ref QmlRenamingMap.empty
(*----------------------------------------*)
(*------ a few memoization utils ---------*)
(*----------------------------------------*)
module TySyntacticOrder =
struct
type t = QmlAst.ty
let compare = QmlAst.EqualsTy.compare
(* FIXME: with this, sharing of explicit forall will not be good *)
end
module TylOrder =
struct
type t = QmlAst.ty list
let compare tyl1 tyl2 = List.make_compare TySyntacticOrder.compare tyl1 tyl2
end
module StylOrder =
struct
type t = (string * QmlAst.ty) list
let compare_field (field1,ty1) (field2,ty2) =
let c = String.compare field1 field2 in
if c <> 0 then c else
TySyntacticOrder.compare ty1 ty2
let compare styl1 styl2 = List.make_compare compare_field styl1 styl2
end
module TscOrder =
struct
type t = QmlTypes.typescheme
let compare = Pervasives.compare (* FIXME: as above *)
end
module TyvlOrder =
struct
type t = QmlAst.typevar list
let compare tyv1 tyv2 = List.make_compare QmlAst.TypeVar.compare tyv1 tyv2
end
module RowvlOrder =
struct
type t = QmlAst.rowvar list
let compare tyv1 tyv2 = List.make_compare QmlAst.RowVar.compare tyv1 tyv2
end
module ColvlOrder =
struct
type t = QmlAst.colvar list
let compare tyv1 tyv2 = List.make_compare QmlAst.ColVar.compare tyv1 tyv2
end
module QuantOrder =
struct
type t = (QmlAst.typevar list * QmlAst.rowvar list * QmlAst.colvar list)
let compare (v1,r1,c1) (v2,r2,c2) =
match TyvlOrder.compare v1 v2 with
| 0 -> (
match RowvlOrder.compare r1 r2 with
| 0 -> ColvlOrder.compare c1 c2
| c -> c
)
| c -> c
end
module TyMap = Map.Make(TySyntacticOrder)
module TylMap = Map.Make(TylOrder)
module StylMap = Map.Make(StylOrder)
module TscMap = Map.Make(TscOrder)
module TyvlMap = Map.Make(TyvlOrder)
module RowvlMap = Map.Make(RowvlOrder)
module ColvlMap = Map.Make(ColvlOrder)
module QuantMap = Map.Make(QuantOrder)
type one_side_memo = {
mutable memoty : (Ident.t * Q.ty) TyMap.t;
mutable memotyl : (Ident.t * Q.ty) TylMap.t;
mutable memostyl : (Ident.t * Q.ty) StylMap.t;
mutable memotsc : (Ident.t * Q.ty) TscMap.t;
mutable memotyvl : (Ident.t * Q.ty) TyvlMap.t;
mutable memorowvl : (Ident.t * Q.ty) RowvlMap.t;
mutable memocolvl : (Ident.t * Q.ty) ColvlMap.t;
mutable memoquant : (Ident.t * Q.ty) QuantMap.t;
mutable definitions : (Ident.t * Q.expr * Q.ty) list;
}
(* DO NOT USE a printer that normalizes variables here
or that hides column variables, or anything wierd
we need that the following properties hold (for all the printers):
- pp_ty ty1 = pp_ty ty2 <=> ty1 = ty2 (at runtime)
- the printers are functions (do not depend on a global state) and injective (no collision)
*)
let pp_ty = QmlPrint.sexp_ty
let pp_tyl f l = Format.fprintf f "(Tyl %a)" (Format.pp_list ",@ " (fun f ty -> Format.fprintf f "(%a)" pp_ty ty)) l
let pp_styl f l = Format.fprintf f "(Styl %a)" (Format.pp_list ",@ " (fun f (s,ty) -> Format.fprintf f "(%s: %a)" s pp_ty ty)) l
let pp_tsc = QmlPrint.sexp_tsc
let pp_tyvl f l = Format.fprintf f "(Tyvl %a)" (Format.pp_list ",@ " QmlPrint.sexp_tyv) l
let pp_rowvl f l = Format.fprintf f "(Rowvl %a)" (Format.pp_list ",@ " QmlPrint.sexp_rowv) l
let pp_colvl f l = Format.fprintf f "(Colvl %a)" (Format.pp_list ",@ " QmlPrint.sexp_colv) l
let pp_quant f (v,r,c) = Format.fprintf f "(Quant %a %a %a)" pp_tyvl v pp_rowvl r pp_colvl c
let make_memo () = {
memoty = TyMap.empty;
memotyl = TylMap.empty;
memostyl = StylMap.empty;
memotsc = TscMap.empty;
memotyvl = TyvlMap.empty;
memorowvl = RowvlMap.empty;
memocolvl = ColvlMap.empty;
memoquant = QuantMap.empty;
definitions = [];
}
let server_memo = make_memo ()
let client_memo = make_memo ()
let reset_memo memo =
memo.memoty <- TyMap.empty;
memo.memotyl <- TylMap.empty;
memo.memostyl <- StylMap.empty;
memo.memotsc <- TscMap.empty;
memo.memotyvl <- TyvlMap.empty;
memo.memorowvl <- RowvlMap.empty;
memo.memocolvl <- ColvlMap.empty;
memo.memoquant <- QuantMap.empty;
memo.definitions <- []
let same_ident (ident1,_) (ident2,_) = Ident.equal ident1 ident2
module type MEMO = sig
type t
val look_up : side:[< `server | `client ] -> t -> (Ident.t * QmlAst.ty)
val def : side:[< `server | `client ] -> t -> (Ident.t * QmlAst.ty) -> unit
val ident : side:[< `server | `client ] -> t -> Ident.t
end
module MakeMemoUtils(M:BaseMapSig.S)
(S:sig
val extract : one_side_memo -> (Ident.t * Q.ty) M.t
val assign : one_side_memo -> (Ident.t * Q.ty) M.t -> unit
val pp : Format.formatter -> M.key -> unit
end) : MEMO with type t = M.key =
struct
type t = M.key
let look_up ~side key =
match side with
| `server -> M.find key (S.extract server_memo)
| `client -> M.find key (S.extract client_memo)
let def ~side key value =
match side with
| `server -> S.assign server_memo (M.add key value (S.extract server_memo))
| `client -> S.assign client_memo (M.add key value (S.extract client_memo))
let ident ~side t =
match side with
| `client ->
let s = Format.to_string S.pp t in
Ident.fake_source ("ei_" ^ s) (* fake source because we want collisions between different packages
* (in the js only, because in caml, identifiers are in different
* scopes anyway) *)
| `server ->
Ident.next "memo_ty"
end
let compare_field (s1,_) (s2,_) = String.compare s1 s2
let compare_record record1 record2 = List.make_compare compare_field record1 record2
let sort_record fields = List.sort compare_field fields
let sort_sum sums = List.sort compare_record (List.map sort_record sums)
(* we need the property that typevars are generated in decreasing order
* because [forall 'a,'b. ...] becomes [forall $lookup 1$,$lookup 0$. ...]
* and since the quantifiers are sorted, we must have [$lookup 1$ < $lookup 0$] *)
module MakeNormalizer(VarMap : BaseMapSig.S)(Gen : sig val gen : int -> VarMap.key end) =
struct
let map = ref VarMap.empty
let lookup v = Gen.gen (VarMap.find v !map)
let def =
let count = ref (-1) in
fun v ->
incr count;
map := VarMap.add v !count !map;
lookup v
(* this variable is used to normalize unbound variables *)
let dummy = Gen.gen (-1)
end
(*
* normalizing consists in replacing [forall 'a,'b,'c. ('a*'b) -> forall 'd,'e. ...] by
* [forall v3,v2,v1. (v3*v2) -> forall v5,v4. ...]
* this way, the sharing of the list of quantifiers of typeschemes is maximal
*
* (this is better than the solution that consists in giving the lower number to the
* variable that occurs most often (which breaks some sharing of quantifiers lists)
* to gain some sharing in the body of typeschemes and foralls
* (plus that solution would make it harder to guarantee that variables in quantifiers
* are in increasing order)
*)
let normalize_ty_for_sharing ~propagated_vars ty =
let module Var = MakeNormalizer(QmlTypeVars.TypeVarMap)(QmlTypeVars.CanonicalVar) in
let module Row = MakeNormalizer(QmlTypeVars.RowVarMap)(QmlTypeVars.CanonicalRow) in
let module Col = MakeNormalizer(QmlTypeVars.ColVarMap)(QmlTypeVars.CanonicalCol) in
#<If:EXPL_INST_NORMALIZE$maxlevel 0>
ty
#<Else>
QmlAstWalk.Type.self_traverse_map
(fun self tra -> function
| Q.TypeVar v as ty ->
(try Q.TypeVar (Var.lookup v) with Not_found ->
#<If:EXPL_INST_NORMALIZE$maxlevel 1>
ty
#<Else>
if QmlTypeVars.FreeVars.mem_typevar v propagated_vars then ty
else Q.TypeVar Var.dummy
(* this variable is used to normalize unbound variables *)
#<End>
)
| Q.TypeRecord (Q.TyRow (l, o)) ->
let o =
match o with
| None -> None
| Some v -> (
try Some (Row.lookup v)
with Not_found ->
#<If:EXPL_INST_NORMALIZE$maxlevel 1>
o
#<Else>
if QmlTypeVars.FreeVars.mem_rowvar v propagated_vars then o
else Some Row.dummy
#<End>
) in
let l = sort_record l in
tra (Q.TypeRecord (Q.TyRow (l, o)))
| Q.TypeSum (Q.TyCol (l,o)) ->
let o =
match o with
| None -> None
| Some v -> (
try Some (Col.lookup v)
with Not_found ->
#<If:EXPL_INST_NORMALIZE$maxlevel 1>
o
#<Else>
if QmlTypeVars.FreeVars.mem_colvar v propagated_vars then o
else Some Col.dummy
#<End>
) in
let l = sort_sum l in
tra (Q.TypeSum (Q.TyCol (l,o)))
| Q.TypeForall (tyvl,rowvl,colvl,ty) ->
let tyvl = List.map_right Var.def tyvl in
let rowvl = List.map_right Row.def rowvl in
let colvl = List.map_right Col.def colvl in
let ty = self ty in
Q.TypeForall (tyvl,rowvl,colvl,ty)
| ty -> tra ty) ty
#<End>
let normalize_tyrow_for_sharing ~propagated_vars tyrow =
match normalize_ty_for_sharing ~propagated_vars (Q.TypeRecord tyrow) with
| Q.TypeRecord r -> r
| _ -> assert false
let normalize_tycol_for_sharing ~propagated_vars tycol =
match normalize_ty_for_sharing ~propagated_vars (Q.TypeSum tycol) with
| Q.TypeSum r -> r
| _ -> assert false
let normalize_tsc_for_sharing ~propagated_vars tsc =
#<If:EXPL_INST_NORMALIZE$maxlevel 0>
tsc
#<Else>
(* FIXME: CLEAN IT *)
let tv,rv,cv,ty =
match normalize_ty_for_sharing ~propagated_vars (QmlTypes.Scheme.explicit_forall tsc) with
| Q.TypeForall (tv,rv,cv,ty) -> tv,rv,cv,ty
| ty -> [],[],[],ty in
QmlGenericScheme.import (QmlTypeVars.FreeVars.import_from_sets
(QmlTypeVars.TypeVarSet.from_list tv)
(QmlTypeVars.RowVarSet.from_list rv)
(QmlTypeVars.ColVarSet.from_list cv)) ty ()
#<End>
module MemoTy = MakeMemoUtils(TyMap)(
struct
let extract one_side_memo = one_side_memo.memoty
let assign one_side_memo v = one_side_memo.memoty <- v
let pp = pp_ty
end)
module MemoTyl = MakeMemoUtils(TylMap)(
struct
let extract one_side_memo = one_side_memo.memotyl
let assign one_side_memo v = one_side_memo.memotyl <- v
let pp = pp_tyl
end)
module MemoStyl = MakeMemoUtils(StylMap)(
struct
let extract one_side_memo = one_side_memo.memostyl
let assign one_side_memo v = one_side_memo.memostyl <- v
let pp = pp_styl
end)
module MemoTsc = MakeMemoUtils(TscMap)(
struct
let extract one_side_memo = one_side_memo.memotsc
let assign one_side_memo v = one_side_memo.memotsc <- v
let pp = pp_tsc
end)
module MemoTyvl = MakeMemoUtils(TyvlMap)(
struct
let extract one_side_memo = one_side_memo.memotyvl
let assign one_side_memo v = one_side_memo.memotyvl <- v
let pp = pp_tyvl
end)
module MemoRowvl = MakeMemoUtils(RowvlMap)(
struct
let extract one_side_memo = one_side_memo.memorowvl
let assign one_side_memo v = one_side_memo.memorowvl <- v
let pp = pp_rowvl
end)
module MemoColvl = MakeMemoUtils(ColvlMap)(
struct
let extract one_side_memo = one_side_memo.memocolvl
let assign one_side_memo v = one_side_memo.memocolvl <- v
let pp = pp_colvl
end)
module MemoQuant = MakeMemoUtils(QuantMap)(
struct
let extract one_side_memo = one_side_memo.memoquant
let assign one_side_memo v = one_side_memo.memoquant <- v
let pp = pp_quant
end)
let add_definition ~side v =
match side with
| `server -> server_memo.definitions <- v :: server_memo.definitions
| `client -> client_memo.definitions <- v :: client_memo.definitions
(*------------------------------*)
(*------ end memo utils --------*)
(*------------------------------*)
(** Building representation of types in OPA *)
let opatype_type =
Q.TypeName ([], QmlAst.TypeIdent.of_string Opacapi.Types.OpaType.ty)
let oparow_type =
Q.TypeName ([], QmlAst.TypeIdent.of_string Opacapi.Types.OpaType.row)
let opacol_type =
Q.TypeName ([], QmlAst.TypeIdent.of_string Opacapi.Types.OpaType.col)
let opatype_typevar =
Q.TypeName ([], QmlAst.TypeIdent.of_string Opacapi.Types.OpaType.typevar)
(** Construct expression with one unit field named by the given name.
Example : rep_of_unit_field annotmap "Toto" represents the OPA
value { Toto } *)
let rep_of_unit_field annotmap gamma name =
let annotmap, unit_expr = TypedExpr.cheap_void annotmap gamma in
TypedExpr.record annotmap [name, unit_expr]
(** Construct an expression that represents type of simple value. This
expression is typed by OpaType.ty_const. *)
let rep_of_const_ty annotmap gamma = function
| Q.TyFloat -> rep_of_unit_field annotmap gamma "TyFloat"
| Q.TyInt -> rep_of_unit_field annotmap gamma "TyInt"
| Q.TyString -> rep_of_unit_field annotmap gamma "TyString"
| Q.TyNull -> failwith("TyNull is never used in Opa")
type env = {
side : [ `client | `server ];
gamma : QmlTypes.gamma;
propagated_vars : QmlTypeVars.FreeVars.t;
val_ : ?side:[`client|`server] -> string -> Ident.t;
}
let make_env ~side ~gamma ~propagated_vars ~val_ = {
side = (side :> [ `server | `client ]);
gamma;
propagated_vars;
val_;
}
(*
creates of function that build a list expression and memoizes
every intermediate list, given a function that build each element
*)
module MemoList(S:sig type t end)(Memo:MEMO with type t = S.t list) :
sig
val rep_of_list :
memoize:bool -> (Q.annotmap -> S.t -> Q.annotmap * bool * Q.expr) ->
env -> Q.annotmap -> Memo.t -> Q.annotmap * bool * Q.expr
end =
struct
let rec rep_of_list ~memoize rep_of_elt env annotmap elt_list =
try
let ident, ty = Memo.look_up ~side:env.side elt_list in
let annotmap, e = TypedExpr.ident annotmap ident ty in
annotmap, true, e
with Not_found ->
match elt_list with
| [] ->
(* always sharing nil, whether we ask for it or not *)
let annotmap, nil = rep_of_unit_field annotmap env.gamma "nil" in
let ty = QmlAnnotMap.find_ty (Q.QAnnot.expr nil) annotmap in
let ident = Memo.ident ~side:env.side elt_list in
(* not shared between all the MemoList instances, you can have several
* definitions of nil (but at most one by application of this functor) *)
add_definition ~side:env.side (ident,nil,ty);
Memo.def ~side:env.side elt_list (ident,ty);
let annotmap, e = TypedExpr.ident annotmap ident ty in
annotmap, memoize, e
| elt :: elts ->
let annotmap, bool1, type_exprl = rep_of_list ~memoize rep_of_elt env annotmap elts in
let annotmap, bool2, type_expr = rep_of_elt annotmap elt in
let annotmap, cons = TypedExpr.record annotmap ["hd",type_expr;"tl", type_exprl] in
if bool1 && bool2 then (
let ty = QmlAnnotMap.find_ty (Q.QAnnot.expr cons) annotmap in
let ident = Memo.ident ~side:env.side elt_list in
add_definition ~side:env.side (ident,cons,ty);
Memo.def ~side:env.side elt_list (ident,ty);
let annotmap, e = TypedExpr.ident annotmap ident ty in
annotmap, true, e
) else
annotmap, false, cons
end
module RepOfList = MemoList(struct type t = Q.ty end)(MemoTyl)
module RepOfFields = MemoList(struct type t = string * Q.ty end)(MemoStyl)
module RepOfVars = MemoList(struct type t = Q.typevar end)(MemoTyvl)
module RepOfRowVars = MemoList(struct type t = Q.rowvar end)(MemoRowvl)
module RepOfColVars = MemoList(struct type t = Q.colvar end)(MemoColvl)
(* TODO: normaliser les types en enlevant les privates pour commencer *)
let fold_left_forall_map f acc l =
let rec aux f acc acc_bool acc_list = function
| [] -> acc, acc_bool, List.rev acc_list
| h :: t ->
let acc, bool, h = f acc h in
let acc_bool = acc_bool && bool in
let acc_list = h :: acc_list in
aux f acc acc_bool acc_list t in
aux f acc true [] l
let opaty gamma = QmlTypes.type_of_type gamma opatype_type
let oparow gamma = QmlTypes.type_of_type gamma oparow_type
let opacol gamma = QmlTypes.type_of_type gamma opacol_type
let id_of_var_gen kind s_v =
let s_v = String.sub s_v 1 (String.length s_v - 1) in
let digest s = String.sub (Digest.to_hex (Digest.string s)) 0 8 in
let s_v = kind ^ (if Base.String.is_word s_v then s_v else digest s_v) in
Ident.source s_v (* TODO: use Ident.next and the maps from strings to ids *)
let id_of_var v =
id_of_var_gen "vvv" (QmlTypeVars.TypeVar.to_string v)
let id_of_rowvar v =
id_of_var_gen "rrr" (QmlTypeVars.RowVar.to_string v)
let id_of_colvar v =
id_of_var_gen "ccc" (QmlTypeVars.ColVar.to_string v)
class dynamic_repr env =
object (self)
method const_ty annotmap ty =
let annotmap, e =
match ty with
| Q.TyFloat -> rep_of_unit_field annotmap env.gamma "TyFloat"
| Q.TyInt -> rep_of_unit_field annotmap env.gamma "TyInt"
| Q.TyString -> rep_of_unit_field annotmap env.gamma "TyString"
| Q.TyNull -> failwith "TyNull is never used in Opa" in
annotmap, true, e
method typevar annotmap var =
if QmlTypeVars.FreeVars.mem_typevar var env.propagated_vars then
let opaty = opaty env.gamma in
let annotmap, e = QmlAstCons.TypedExpr.ident annotmap (id_of_var var) opaty in
annotmap, false, e
else (
#<If:EXPL_INST_DEBUG>
prerr_endline
(Printf.sprintf
"Warning: raw type variable: %s"
(QmlTypeVars.TypeVar.to_string var))
#<End>;
let annotmap, string_expr = self#quantified_var annotmap var in
let annotmap, e = TypedExpr.record annotmap ["TyVar", string_expr] in
annotmap, true, e
)
method rowvar annotmap rowvar =
if QmlTypeVars.FreeVars.mem_rowvar rowvar env.propagated_vars then
let oparow = oparow env.gamma in
let annotmap, e = QmlAstCons.TypedExpr.ident annotmap (id_of_rowvar rowvar) oparow in
annotmap, false, e
else
let annotmap, string_expr = self#quantified_rowvar annotmap rowvar in
annotmap, true, string_expr
method colvar annotmap colvar =
if QmlTypeVars.FreeVars.mem_colvar colvar env.propagated_vars then
let opacol = opacol env.gamma in
let annotmap, e = QmlAstCons.TypedExpr.ident annotmap (id_of_colvar colvar) opacol in
annotmap, false, e
else
let annotmap, string_expr = self#quantified_colvar annotmap colvar in
annotmap, true, string_expr
method type_list annotmap tyl =
let annotmap, forall, tyl = fold_left_forall_map self#type_ annotmap tyl in
let annotmap, e = TypedExpr.list (annotmap, env.gamma) tyl in
annotmap, forall, e
method field annotmap (s,ty) =
let annotmap, string_expr = TypedExpr.string annotmap s in
let annotmap, forall, type_expr = self#type_ annotmap ty in
let annotmap, e = TypedExpr.record annotmap [("label", string_expr); ("ty", type_expr)] in
annotmap, forall, e
method fields annotmap styl =
let annotmap, forall, styl = fold_left_forall_map self#field annotmap styl in
let annotmap, e = TypedExpr.list (annotmap, env.gamma) styl in
annotmap, forall, e
method fieldss annotmap styll =
let annotmap, forall, styll = fold_left_forall_map self#fields annotmap styll in
let annotmap, e = TypedExpr.list (annotmap, env.gamma) styll in
annotmap, forall, e
method typevar_to_string = QmlTypeVars.TypeVar.to_string
method rowvar_to_string = QmlTypeVars.RowVar.to_string
method colvar_to_string = QmlTypeVars.ColVar.to_string
method quantified_var annotmap var = TypedExpr.string annotmap (self#typevar_to_string var)
method quantified_rowvar annotmap var = TypedExpr.string annotmap (self#rowvar_to_string var)
method quantified_colvar annotmap var = TypedExpr.string annotmap (self#colvar_to_string var)
method quantified_vars annotmap vars rows cols =
let annotmap, vars = List.fold_left_map self#quantified_var annotmap vars in
let annotmap, rows = List.fold_left_map self#quantified_rowvar annotmap rows in
let annotmap, cols = List.fold_left_map self#quantified_colvar annotmap cols in
let annotmap, vars = TypedExpr.list (annotmap, env.gamma) vars in
let annotmap, rows = TypedExpr.list (annotmap, env.gamma) rows in
let annotmap, cols = TypedExpr.list (annotmap, env.gamma) cols in
annotmap, vars, rows, cols
method quantifier annotmap (vars, rows, cols) =
let annotmap, vars, rows, cols = self#quantified_vars annotmap vars rows cols in
TypedExpr.record annotmap [
"types", vars;
"rows", rows;
"cols", cols;
]
method type_row annotmap (Q.TyRow (fields, rowvar)) =
let annotmap, bool1, fields_expr = self#fields annotmap fields in
begin match rowvar with
| None ->
let annotmap, e = TypedExpr.record annotmap ["TyRecord_row", fields_expr] in
annotmap, bool1, e
| Some rowvar ->
let annotmap, bool2, string_expr = self#rowvar annotmap rowvar in
if bool2 then
(* dummy row var *)
let annotmap, e =
TypedExpr.record annotmap [("TyRecord_row", fields_expr);
("TyRecord_rowvar", string_expr)] in
annotmap, bool1 && bool2, e
else
if fields = [] then
(* slight optimization, not need to merge with the empty list of fields *)
annotmap, false, string_expr
else
(* propagated row var *)
let ident = env.val_ ~side:env.side Opacapi.OpaType.instantiate_row in
(* instantiate_row is used to merge the two lists of fields,
the one from fields_expr and the one from the value of string_expr *)
(* FIXME: give it a real type *)
let annotmap, ident = TypedExpr.ident annotmap ident (QmlAstCons.Type.next_var ()) in
let annotmap, app = TypedExpr.apply env.gamma annotmap ident [fields_expr; string_expr] in
annotmap, false, app
end
method type_col annotmap (Q.TyCol (fields_list, colvar)) =
let annotmap, bool1, fields_list_expr = self#fieldss annotmap fields_list in
begin match colvar with
| None ->
let annotmap, e = TypedExpr.record annotmap ["TySum_col", fields_list_expr] in
annotmap, bool1, e
| Some colvar ->
let annotmap, bool2, string_expr = self#colvar annotmap colvar in
if bool2 then
(* dummy col var *)
let annotmap, e =
TypedExpr.record annotmap [("TySum_col", fields_list_expr);
("TySum_colvar", string_expr)] in
annotmap, bool1 && bool2, e
else
if fields_list = [] then
(* slight optimization, not need to merge with the empty list of fields *)
annotmap, false, string_expr
else
(* propagated col var *)
let ident = env.val_ ~side:env.side Opacapi.OpaType.instantiate_col in
(* instantiate_col is used to merge the two lists of lists of fields,
the one from fields_list_expr and the one from the value of string_expr *)
(* FIXME: give it a real type *)
let annotmap, ident = TypedExpr.ident annotmap ident (QmlAstCons.Type.next_var ()) in
let annotmap, app = TypedExpr.apply env.gamma annotmap ident [fields_list_expr; string_expr] in
annotmap, false, app
end
method type_ annotmap ty =
match ty with
| Q.TypeConst ty ->
let annotmap, forall, ty_const_expr = self#const_ty annotmap ty in
let annotmap, e = TypedExpr.record annotmap ["TyConst", ty_const_expr] in
annotmap, forall, e
| Q.TypeVar ty ->
self#typevar annotmap ty
| Q.TypeArrow (lt, t) ->
let annotmap, bool1, lt = self#type_list annotmap lt in
let annotmap, bool2, t = self#type_ annotmap t in
let annotmap, e = TypedExpr.record annotmap [("TyArrow_params", lt); ("TyArrow_res", t)] in
annotmap, bool1 && bool2, e
| Q.TypeRecord type_row ->
self#type_row annotmap type_row
| Q.TypeSum type_col ->
self#type_col annotmap type_col
| Q.TypeSumSugar ty_list ->
(* This case was restored for opadoc *)
let annotmap, forall, list_expr = self#type_list annotmap ty_list in
let annotmap, e = TypedExpr.record annotmap ["TySumSugar", list_expr] in
annotmap, forall, e
| Q.TypeName (ty_list, ident) ->
let annotmap, forall, list_expr = self#type_list annotmap ty_list in
let register_key = Q.TypeIdent.to_string ident in
let annotmap, ident_expr = TypedExpr.tagged_string annotmap register_key Q.Type_use in
let annotmap, e = TypedExpr.record annotmap [("TyName_args", list_expr);
("TyName_ident", ident_expr)] in
annotmap, forall, e
| Q.TypeAbstract ->
let annotmap, e = rep_of_unit_field annotmap env.gamma "TyAbstract" in
annotmap, true, e
| Q.TypeForall (vars, rows, cols, ty) ->
self#forall annotmap vars rows cols ty
method forall annotmap vars rows cols ty =
let annotmap, quant = self#quantifier annotmap (vars, rows, cols) in
let annotmap, forall, ty = self#type_ annotmap ty in
let annotmap, e = TypedExpr.record annotmap [("TyForall_quant", quant);("TyForall_body", ty)] in
annotmap, forall, e
method tsc annotmap tsc =
let (quantif, body, ()) = QmlGenericScheme.export_unsafe tsc in
let quant = QmlTypeVars.FreeVars.export_as_lists quantif in
let annotmap, quant = self#quantifier annotmap quant in
let annotmap, _, body = self#type_ annotmap body in
QmlAstCons.TypedExpr.record annotmap [("quantifier", quant); ("body", body)]
end
class dynamic_repr_memoization env =
object (self)
inherit dynamic_repr env as super
method! type_ annotmap ty =
try
let ident, id_ty = MemoTy.look_up ~side:env.side ty in
let annotmap, e = TypedExpr.ident annotmap ident id_ty in
annotmap, true, e (* FIXME Should we say true here ?*)
with Not_found ->
let annotmap, can_memo, content = super#type_ annotmap ty in
let should_memo = true (*
match ty with
| Q.TypeRecord (Q.TyRow (l, _)) -> List.length l <= 4
| Q.TypeSum (Q.TyCol (l, _)) -> List.length l <= 4 && List.for_all (fun l -> List.length l <= 4) l
| _ -> true *) in (* FIXME? condition on the depth also *)
if can_memo && should_memo then (
let ty_res = QmlAnnotMap.find_ty (Q.QAnnot.expr content) annotmap in
let ident =
match content with
| Q.Ident (_, ident) -> ident (* avoid creating aliases *)
| _ ->
let ident = MemoTy.ident ~side:env.side ty in
add_definition ~side:env.side (ident,content,ty_res);
ident in
MemoTy.def ~side:env.side ty (ident,ty_res);
let annotmap, e = TypedExpr.ident annotmap ident ty_res in
annotmap, can_memo, e
) else
(annotmap, false, content)
method! fields annotmap styl =
(*match styl with
| [] ->
let should_memo = true in
RepOfFields.rep_of_list ~memoize:should_memo self#field env annotmap styl
| _ -> super#fields annotmap styl*)
let should_memo = true (*List.length styl <= 4*) in
RepOfFields.rep_of_list ~memoize:should_memo
self#field
env annotmap styl
method! type_list annotmap tyl =
let should_memo = true in (* ?? *)
RepOfList.rep_of_list ~memoize:should_memo
self#type_
env annotmap tyl
(*method! fieldss annotmap styll =
let annotmap, forall, e = super#fieldss annotmap styll in
let forall = forall (*&& List.length styll <= 4 && List.for_all (fun l -> List.length l <= 4) styll*) in
annotmap, forall, e*)
method! quantified_vars annotmap vars rowvars colvars =
let should_memo = true in
let annotmap, memo1, vars =
RepOfVars.rep_of_list ~memoize:should_memo
(fun annotmap var ->
let annotmap, var = self#quantified_var annotmap var in
annotmap, true, var)
env annotmap vars in
let annotmap, memo2, rowvars =
RepOfRowVars.rep_of_list ~memoize:should_memo
(fun annotmap var ->
let annotmap, var = self#quantified_rowvar annotmap var in
annotmap, true, var)
env annotmap rowvars in
let annotmap, memo3, colvars =
RepOfColVars.rep_of_list ~memoize:should_memo
(fun annotmap var ->
let annotmap, var = self#quantified_colvar annotmap var in
annotmap, true, var)
env annotmap colvars in
assert (memo1 && memo2 && memo3);
annotmap, vars, rowvars, colvars
method! quantifier annotmap quant =
try
let ident, ty = MemoQuant.look_up ~side:env.side quant in
TypedExpr.ident annotmap ident ty
with Not_found ->
let annotmap, content = super#quantifier annotmap quant in
let ty = QmlAnnotMap.find_ty (Q.QAnnot.expr content) annotmap in
let ident = MemoQuant.ident ~side:env.side quant in
add_definition ~side:env.side (ident,content,ty);
MemoQuant.def ~side:env.side quant (ident,ty);
TypedExpr.ident annotmap ident ty
method! tsc annotmap tsc =
try
let ident, ty = MemoTsc.look_up ~side:env.side tsc in
TypedExpr.ident annotmap ident ty
with
| Not_found ->
let annotmap, content = super#tsc annotmap tsc in
let ty = QmlAnnotMap.find_ty (Q.QAnnot.expr content) annotmap in
let ident = MemoTsc.ident ~side:env.side tsc in
add_definition ~side:env.side (ident,content,ty);
MemoTsc.def ~side:env.side tsc (ident,ty);
TypedExpr.ident annotmap ident ty
end
(*
Used by opadoc api generation for normalizing type variables
*)
class dynamic_repr_for_opadoc env =
object
inherit dynamic_repr env as super
val mutable typevar_scope = QmlTypeVars.TypeVarPrint.new_scope ()
val mutable rowvar_scope = QmlTypeVars.RowVarPrint.new_scope ()
val mutable colvar_scope = QmlTypeVars.ColVarPrint.new_scope ()
method set_scopes typevar rowvar colvar =
typevar_scope <- typevar ;
rowvar_scope <- rowvar ;
colvar_scope <- colvar
method! forall annotmap vars rows cols ty =
QmlTypeVars.TypeVarPrint.push typevar_scope ;
QmlTypeVars.RowVarPrint.push rowvar_scope ;
QmlTypeVars.ColVarPrint.push colvar_scope ;
let result = super#forall annotmap vars rows cols ty in
QmlTypeVars.TypeVarPrint.pop typevar_scope ;
QmlTypeVars.RowVarPrint.pop rowvar_scope ;
QmlTypeVars.ColVarPrint.pop colvar_scope ;
result
method! typevar_to_string var = QmlTypeVars.TypeVarPrint.get typevar_scope var
method! rowvar_to_string var = QmlTypeVars.RowVarPrint.get rowvar_scope var
method! colvar_to_string var = QmlTypeVars.ColVarPrint.get colvar_scope var
end
let ty_to_opaty_for_opadoc ~val_ ~gamma ~annotmap =
let propagated_vars = QmlTypeVars.FreeVars.empty in
let side = `server in
let env = make_env ~side ~propagated_vars ~gamma ~val_ in
let dynamic_repr = new dynamic_repr_for_opadoc env in
let ty tyvar rowvar colvar ty =
dynamic_repr#set_scopes tyvar rowvar colvar ;
let _, _, expr = dynamic_repr#type_ annotmap ty in
expr
in
ty
let rep_of_vars ~memoize ~env annotmap quant =
if memoize then
(new dynamic_repr_memoization env)#quantified_vars annotmap quant
else
(new dynamic_repr env)#quantified_vars annotmap quant
let rep_of_type_gen call_method ~val_ ~side ~memoize ~propagated_vars ~annotmap ~gamma ty =
let env = make_env ~side ~propagated_vars ~gamma ~val_ in
let annotmap, _, e =
if memoize then
call_method (new dynamic_repr_memoization env) annotmap ty
else
call_method (new dynamic_repr env) annotmap ty in
annotmap, e
let rep_of_type =
rep_of_type_gen (fun obj -> obj#type_)
(*let rep_of_type_row =
rep_of_type_gen (fun obj -> obj#type_row)
let rep_of_type_col =
rep_of_type_gen (fun obj -> obj#type_col)*)
let default_memoize = #<If:EXPL_INST_NO_MEMO>false#<Else>true#<End>
let internal_ty_to_opaty_gen normalizer call_method ~side ?(normalize=true) ?(memoize=default_memoize) ~propagated_vars ~annotmap ~gamma ty =
let ty =
if normalize then normalizer ~propagated_vars ty
else ty in
rep_of_type_gen call_method ~side ~memoize ~propagated_vars ~annotmap ~gamma ty
let internal_ty_to_opaty =
internal_ty_to_opaty_gen normalize_ty_for_sharing (fun obj -> obj#type_)
let internal_tyrow_to_opaty =
internal_ty_to_opaty_gen normalize_tyrow_for_sharing (fun obj -> obj#type_row)
let internal_tycol_to_opaty =
internal_ty_to_opaty_gen normalize_tycol_for_sharing (fun obj -> obj#type_col)
(* this function is not useless, it 'discards' optional parameters *)
let ty_to_opaty ~side ?(memoize=default_memoize) ?(normalize=true) annotmap gamma ty =
internal_ty_to_opaty ~side ~memoize ~normalize ~propagated_vars:QmlTypeVars.FreeVars.empty ~annotmap ~gamma ty
(* to use when the pass explicit_instantiation is disabled *)
let dummy_opaty annotmap gamma =
let annotmap, e = rep_of_unit_field annotmap gamma "TyAbstract" in
let opaty = opaty gamma in
let annotmap = QmlAnnotMap.add_ty (Q.QAnnot.expr e) opaty annotmap in
annotmap, e
(** Building representation of type schems in OPA *)
let opatsc_type =
Q.TypeName ([], QmlAst.TypeIdent.of_string Opacapi.Types.OpaTsc.t)
let tsc_to_opatsc ~side ~val_ ?(memoize=default_memoize) (annotmap, gamma) (tsc : QmlTypes.typescheme) =
let propagated_vars = QmlTypeVars.FreeVars.empty in
let env = make_env ~side ~propagated_vars ~gamma ~val_ in
let tsc = normalize_tsc_for_sharing ~propagated_vars tsc in
if memoize then
(new dynamic_repr_memoization env)#tsc annotmap tsc
else
(new dynamic_repr env)#tsc annotmap tsc
let arg_of_type ~val_ side set gamma annotmap t =
internal_ty_to_opaty ~val_ ~side ~propagated_vars:set ~annotmap ~gamma t
let arg_of_type_row ~val_ side set gamma annotmap t =
internal_tyrow_to_opaty ~val_ ~side ~propagated_vars:set ~annotmap ~gamma t
let arg_of_type_col ~val_ side set gamma annotmap t =
internal_tycol_to_opaty ~val_ ~side ~propagated_vars:set ~annotmap ~gamma t
(** Inserting directives for Explicit Instantiation *)
(* Directives just rewrite type*)
type 'a directive_just_type =
[`ajax_publish of [`sync | `async] | `comet_publish
| `insert_server_value of QmlAst.ident ]
(* Directives not to traverse *)
type call = [ `ajax_call of [`sync | `async] | `comet_call ]
type directive_no_traverse =
[`ajax_publish of [`sync | `async] | `comet_publish | call ]
let console_debug hdr fmt =
OManager.printf (
"@{<bright>%s@}: "^^fmt^^"@."
) hdr
(*
The printer used for pprinting debug logs.
For changing the printer, choose a different instance of the same class
*)
let pp = QmlPrint.pp_base
let filter_left f l1 l2 =
let rec aux acc l1 l2 =
match l1, l2 with
| [], [] -> List.rev acc
| h1 :: t1, h2 :: t2 ->
if f h2 then aux (h1 :: acc) t1 t2 else aux acc t1 t2
| _ -> invalid_arg "filter_left" in
aux [] l1 l2
let type_of_args_from_quant gamma lt lrow lcol =
let opaty = opaty gamma in
let oparow = oparow gamma in
let opacol = opacol gamma in
List.map (fun _ -> opaty) lt @ List.map (fun _ -> oparow) lrow @ List.map (fun _ -> opacol) lcol
let debug fmt = console_debug "walk_instantiation" fmt
let walk_instantiation (have_typeof:QmlTypeVars.FreeVars.t) gamma annotmap e =
match QmlAnnotMap.find_tsc_inst_opt (Q.QAnnot.expr e) annotmap with
| None -> (annotmap, e)
| Some tsc ->
let annotmap = QmlAnnotMap.remove_tsc_inst (Q.QAnnot.expr e) annotmap in
let t = QmlAnnotMap.find_ty (Q.QAnnot.expr e) annotmap in
let (quantif, _body, ()) = QmlGenericScheme.export_unsafe tsc in
let (quant_var, quant_row, quant_col) = QmlTypeVars.FreeVars.export_as_lists quantif in
#<If:EXPL_INST_DEBUG>
if not (Inspect.is_type_arrow gamma t) then
debug "Warning: instantiating nonfunctional value:"
else ();
debug "Instantiated value %a" pp#expr e ;
debug "from %a" pp#ty _body ;
debug "to %a" pp#ty t ;
()
#<End>;
(* TODO: optimize: use have_typeof already here *)
let lt, lrow, lcol =
QmlMoreTypes.unify_and_show_instantiation ~gamma ~allow_partial_application:true t tsc
in
#<If:EXPL_INST_DEBUG>
let lvt = List.combine quant_var lt in
let pp_lvt fmt (v, t) = Format.fprintf fmt "%a/%s" pp#ty t (QmlTypeVars.TypeVar.to_string v) in
debug (
"the instantiation is [ %a ]; the instantiation used for @@typeof is "
)
(Format.pp_list " ; " pp_lvt) lvt
#<End>;
let choose_vars v = QmlTypeVars.FreeVars.mem_typevar v have_typeof in
let choose_rowvars v = QmlTypeVars.FreeVars.mem_rowvar v have_typeof in
let choose_colvars v = QmlTypeVars.FreeVars.mem_colvar v have_typeof in
let lt = filter_left choose_vars lt quant_var in
let lrow = filter_left choose_rowvars lrow quant_row in
let lcol = filter_left choose_colvars lcol quant_col in
if lt = [] && lrow = [] && lcol = [] then
(annotmap, e)
else (
#<If:EXPL_INST_DEBUG>
let lvt = (*List.combine quant*) lt in
let pp_lvt fmt ((*v, *)t) = Format.fprintf fmt "%a/%s" pp#ty t "x" (* (QmlTypeVars.TypeVar.to_string v) *) in
debug "[ %a ]" (Format.pp_list " ; " pp_lvt) lvt
#<End>;
let args = type_of_args_from_quant gamma lt lrow lcol in