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open Conv
open Core
open Extraction
exception ToSexpError of string
let tag t l = Sexp.List (Sexp.Atom t :: l)
let lit_to_sexp = function
| LitString s -> tag "LitString" [ Sexp.Atom (str s) ]
| LitNum (NInt n) ->
tag "LitNum" [ Sexp.Atom "INT"; Sexp.Atom (str (string_of_Z n)) ]
| LitNum (NFloat n) ->
tag "LitNum"
[
Sexp.Atom "FLOAT";
Sexp.Atom (Printf.sprintf "%g" (float_from_flocq n));
]
| LitBool b -> tag "LitBool" [ Sexp.Atom (Bool.to_string b) ]
| LitNull -> tag "LitNull" []
let option_to_sexp mv ~f =
match mv with Some v -> tag "Some" [ f v ] | None -> Sexp.Atom "None"
let mode_to_sexp mode =
Sexp.Atom (match mode with SHALLOW -> "SHALLOW" | DEEP -> "DEEP")
let rec_to_sexp r = Sexp.Atom (match r with REC -> "REC" | NONREC -> "NONREC")
let binop_to_sexp op =
Sexp.Atom
(match op with
| UpdateAttrOp -> "UpdateAttrOp"
| AddOp -> "AddOp"
| SubOp -> "SubOp"
| MulOp -> "MulOp"
| DivOp -> "DivOp"
| AndOp -> "AndOp"
| OrOp -> "OrOp"
| XOrOp -> "XOrOp"
| RoundOp Ceil -> "Ceil"
| RoundOp NearestEven -> "NearestEven"
| RoundOp Floor -> "Floor"
| LtOp -> "LtOp"
| EqOp -> "EqOp"
| HasAttrOp -> "HasAttrOp"
| SelectAttrOp -> "SelectAttrOp"
| DeleteAttrOp -> "DeleteAttrOp"
| SingletonAttrOp -> "SingletonAttrOp"
| TypeOfOp -> "TypeOfOp"
| AppendListOp -> "AppendListOp"
| MatchAttrOp -> "MatchAttrOp"
| MatchListOp -> "MatchListOp"
| MatchStringOp -> "MatchStringOp"
| FunctionArgsOp -> "FunctionArgsOp")
let kind_to_sexp k = Sexp.Atom (match k with ABS -> "ABS" | WITH -> "WITH")
let rec expr_to_sexp = function
| ELit l -> tag "ELit" [ lit_to_sexp l ]
| EId (x, None) -> tag "EId" [ Sexp.Atom (str x) ]
| EId (x, Some (k, e)) ->
tag "EId"
[ Sexp.Atom (str x); tag "alt" [ kind_to_sexp k; expr_to_sexp e ] ]
| EAbs (x, e) -> tag "EAbs" [ Sexp.Atom (str x); expr_to_sexp e ]
| EAbsMatch (ms, strict, e) ->
tag "EAbsMatch"
[
Sexp.Atom (if strict then "EXACT" else "LOOSE");
tag "formals"
(matcher_fold
(fun x me se ->
Sexp.List
[ Sexp.Atom (str x); option_to_sexp me ~f:expr_to_sexp ]
:: se)
[] ms);
expr_to_sexp e;
]
| EApp (e1, e2) -> tag "EApp" [ expr_to_sexp e1; expr_to_sexp e2 ]
| ELetAttr (k, e1, e2) ->
tag "ELetAttr" [ kind_to_sexp k; expr_to_sexp e1; expr_to_sexp e2 ]
| ESeq (mode, e1, e2) ->
tag "ESeq" [ mode_to_sexp mode; expr_to_sexp e1; expr_to_sexp e2 ]
| EAttr bs ->
tag "EAttr"
(attr_set_fold
(fun x (Attr (r, e)) se ->
Sexp.List [ Sexp.Atom (str x); rec_to_sexp r; expr_to_sexp e ]
:: se)
[] bs)
| EList es ->
tag "EList"
(Internal.List.fold_right (fun e se -> expr_to_sexp e :: se) [] es)
| EBinOp (op, e1, e2) ->
tag "EBinOp" [ binop_to_sexp op; expr_to_sexp e1; expr_to_sexp e2 ]
| EIf (e1, e2, e3) ->
tag "EIf" [ expr_to_sexp e1; expr_to_sexp e2; expr_to_sexp e3 ]
let rec val_to_sexp = function
| VLit l -> tag "VLit" [ lit_to_sexp l ]
| VClo _ -> tag "VClo" []
| VCloMatch _ -> tag "VCloMatch" []
| VAttr bs ->
tag "VAttr"
(Extraction.thunk_map_fold
(fun x t bs' ->
Sexp.List [ Sexp.Atom (str x); thunk_to_sexp t ] :: bs')
[] bs)
| VList ts ->
tag "VList"
(Internal.List.fold_right (fun t st -> thunk_to_sexp t :: st) [] ts)
and env_to_sexp env =
tag "Env"
(Extraction.env_fold
(fun x (k, t) envs ->
Sexp.List
[
Sexp.Atom (str x);
Sexp.Atom
(match k with
| Extraction.ABS -> "ABS"
| Extraction.WITH -> "WITH");
thunk_to_sexp t;
]
:: envs)
[] env)
and thunk_to_sexp = function
| Thunk _ -> tag "Thunk" [ Sexp.Atom "DELAYED" ]
| Indirect _ -> tag "Thunk" [ Sexp.Atom "INDIRECT" ]
| Forced v -> tag "Thunk" [ Sexp.Atom "FORCED"; val_to_sexp v ]
let expr_res_to_sexp = function
| NoFuel -> Sexp.Atom "NoFuel"
| Res e -> tag "Res" [ option_to_sexp e ~f:expr_to_sexp ]
let val_res_to_sexp = function
| NoFuel -> Sexp.Atom "NoFuel"
| Res e -> tag "Res" [ option_to_sexp e ~f:val_to_sexp ]
let rec (sexp_of_import_tree : Import.tree -> Sexp.t) = function
| { filename; deps = [] } -> Sexp.Atom filename
| { filename; deps } ->
Sexp.List [ Sexp.Atom filename; sexp_of_import_forest deps ]
and sexp_of_import_forest forest =
Sexp.List (Sexp.Atom "deps" :: List.map forest ~f:sexp_of_import_tree)
exception OfSexpError of string
let rec import_tree_of_sexp : Sexp.t -> Import.tree = function
| Sexp.Atom filename -> { filename; deps = [] }
| Sexp.List [ Sexp.Atom filename; deps ] ->
{ filename; deps = import_forest_of_sexp deps }
| _ -> raise (OfSexpError "Could not parse import tree")
and import_forest_of_sexp = function
| Sexp.List (Sexp.Atom "deps" :: deps) -> List.map ~f:import_tree_of_sexp deps
| _ -> raise (OfSexpError "Could not parse import forest")
|
