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-rw-r--r--interp/notation.ml76
1 files changed, 30 insertions, 46 deletions
diff --git a/interp/notation.ml b/interp/notation.ml
index d6002d71b5..4010c3487e 100644
--- a/interp/notation.ml
+++ b/interp/notation.ml
@@ -548,15 +548,15 @@ type number_ty =
hexadecimal : Names.inductive;
number : Names.inductive }
+type pos_neg_int63_ty =
+ { pos_neg_int63_ty : Names.inductive }
+
type target_kind =
| Int of int_ty (* Coq.Init.Number.int + uint *)
| UInt of int_ty (* Coq.Init.Number.uint *)
| Z of z_pos_ty (* Coq.Numbers.BinNums.Z and positive *)
- | Int63 (* Coq.Numbers.Cyclic.Int63.Int63.int *)
+ | Int63 of pos_neg_int63_ty (* Coq.Numbers.Cyclic.Int63.PrimInt63.pos_neg_int63 *)
| Number of number_ty (* Coq.Init.Number.number + uint + int *)
- | DecimalInt of int_ty (* Coq.Init.Decimal.int + uint (deprecated) *)
- | DecimalUInt of int_ty (* Coq.Init.Decimal.uint (deprecated) *)
- | Decimal of number_ty (* Coq.Init.Decimal.Decimal + uint + int (deprecated) *)
type string_target_kind =
| ListByte
@@ -869,30 +869,16 @@ let mkDecHex ind c n = match c with
| CDec -> mkApp (mkConstruct (ind, 1), [|n|]) (* (UInt|Int|)Decimal *)
| CHex -> mkApp (mkConstruct (ind, 2), [|n|]) (* (UInt|Int|)Hexadecimal *)
-exception NonDecimal
-
-let decimal_coqnumber_of_rawnum inds n =
- if NumTok.Signed.classify n <> CDec then raise NonDecimal;
- coqnumber_of_rawnum inds CDec n
-
let coqnumber_of_rawnum inds n =
let c = NumTok.Signed.classify n in
let n = coqnumber_of_rawnum inds c n in
mkDecHex inds.number c n
-let decimal_coquint_of_rawnum inds n =
- if NumTok.UnsignedNat.classify n <> CDec then raise NonDecimal;
- coquint_of_rawnum inds CDec (Some n)
-
let coquint_of_rawnum inds n =
let c = NumTok.UnsignedNat.classify n in
let n = coquint_of_rawnum inds c (Some n) in
mkDecHex inds.uint c n
-let decimal_coqint_of_rawnum inds n =
- if NumTok.SignedNat.classify n <> CDec then raise NonDecimal;
- coqint_of_rawnum inds CDec n
-
let coqint_of_rawnum inds n =
let c = NumTok.SignedNat.classify n in
let n = coqint_of_rawnum inds c n in
@@ -947,23 +933,14 @@ let destDecHex c = match Constr.kind c with
| _ -> raise NotAValidPrimToken)
| _ -> raise NotAValidPrimToken
-let decimal_rawnum_of_coqnumber c =
- rawnum_of_coqnumber CDec c
-
let rawnum_of_coqnumber c =
let cl, c = destDecHex c in
rawnum_of_coqnumber cl c
-let decimal_rawnum_of_coquint c =
- rawnum_of_coquint CDec c
-
let rawnum_of_coquint c =
let cl, c = destDecHex c in
rawnum_of_coquint cl c
-let decimal_rawnum_of_coqint c =
- rawnum_of_coqint CDec c
-
let rawnum_of_coqint c =
let cl, c = destDecHex c in
rawnum_of_coqint cl c
@@ -1038,12 +1015,22 @@ let error_negative ?loc =
let error_overflow ?loc n =
CErrors.user_err ?loc ~hdr:"interp_int63" Pp.(str "overflow in int63 literal: " ++ str (Z.to_string n))
-let interp_int63 ?loc n =
+let error_underflow ?loc n =
+ CErrors.user_err ?loc ~hdr:"interp_int63" Pp.(str "underflow in int63 literal: " ++ str (Z.to_string n))
+
+let coqpos_neg_int63_of_bigint ?loc ind (sign,n) =
+ let uint = int63_of_pos_bigint ?loc n in
+ let pos_neg = match sign with SPlus -> 1 | SMinus -> 2 in
+ mkApp (mkConstruct (ind, pos_neg), [|uint|])
+
+let interp_int63 ?loc ind n =
+ let sign = if Z.(compare n zero >= 0) then SPlus else SMinus in
+ let n = Z.abs n in
if Z.(leq zero n)
then
if Z.(lt n (pow z_two 63))
- then int63_of_pos_bigint ?loc n
- else error_overflow ?loc n
+ then coqpos_neg_int63_of_bigint ?loc ind (sign,n)
+ else match sign with SPlus -> error_overflow ?loc n | SMinus -> error_underflow ?loc n
else error_negative ?loc
let bigint_of_int63 c =
@@ -1051,6 +1038,15 @@ let bigint_of_int63 c =
| Int i -> Z.of_int64 (Uint63.to_int64 i)
| _ -> raise NotAValidPrimToken
+let bigint_of_coqpos_neg_int63 c =
+ match Constr.kind c with
+ | App (c,[|c'|]) ->
+ (match Constr.kind c with
+ | Construct ((_,1), _) (* Pos *) -> bigint_of_int63 c'
+ | Construct ((_,2), _) (* Neg *) -> Z.neg (bigint_of_int63 c')
+ | _ -> raise NotAValidPrimToken)
+ | _ -> raise NotAValidPrimToken
+
let interp o ?loc n =
begin match o.warning, n with
| Warning threshold, n when NumTok.Signed.is_bigger_int_than n threshold ->
@@ -1062,22 +1058,13 @@ let interp o ?loc n =
coqint_of_rawnum int_ty n
| UInt int_ty, Some (SPlus, n) ->
coquint_of_rawnum int_ty n
- | DecimalInt int_ty, Some n ->
- (try decimal_coqint_of_rawnum int_ty n
- with NonDecimal -> no_such_prim_token "number" ?loc o.ty_name)
- | DecimalUInt int_ty, Some (SPlus, n) ->
- (try decimal_coquint_of_rawnum int_ty n
- with NonDecimal -> no_such_prim_token "number" ?loc o.ty_name)
| Z z_pos_ty, Some n ->
z_of_bigint z_pos_ty (NumTok.SignedNat.to_bigint n)
- | Int63, Some n ->
- interp_int63 ?loc (NumTok.SignedNat.to_bigint n)
- | (Int _ | UInt _ | DecimalInt _ | DecimalUInt _ | Z _ | Int63), _ ->
+ | Int63 pos_neg_int63_ty, Some n ->
+ interp_int63 ?loc pos_neg_int63_ty.pos_neg_int63_ty (NumTok.SignedNat.to_bigint n)
+ | (Int _ | UInt _ | Z _ | Int63 _), _ ->
no_such_prim_token "number" ?loc o.ty_name
| Number number_ty, _ -> coqnumber_of_rawnum number_ty n
- | Decimal number_ty, _ ->
- (try decimal_coqnumber_of_rawnum number_ty n
- with NonDecimal -> no_such_prim_token "number" ?loc o.ty_name)
in
let env = Global.env () in
let sigma = Evd.from_env env in
@@ -1100,11 +1087,8 @@ let uninterp o n =
| (Int _, c) -> NumTok.Signed.of_int (rawnum_of_coqint c)
| (UInt _, c) -> NumTok.Signed.of_nat (rawnum_of_coquint c)
| (Z _, c) -> NumTok.Signed.of_bigint CDec (bigint_of_z c)
- | (Int63, c) -> NumTok.Signed.of_bigint CDec (bigint_of_int63 c)
+ | (Int63 _, c) -> NumTok.Signed.of_bigint CDec (bigint_of_coqpos_neg_int63 c)
| (Number _, c) -> rawnum_of_coqnumber c
- | (DecimalInt _, c) -> NumTok.Signed.of_int (decimal_rawnum_of_coqint c)
- | (DecimalUInt _, c) -> NumTok.Signed.of_nat (decimal_rawnum_of_coquint c)
- | (Decimal _, c) -> decimal_rawnum_of_coqnumber c
end o n
end