diff options
Diffstat (limited to 'plugins/syntax/z_syntax.ml')
| -rw-r--r-- | plugins/syntax/z_syntax.ml | 64 |
1 files changed, 34 insertions, 30 deletions
diff --git a/plugins/syntax/z_syntax.ml b/plugins/syntax/z_syntax.ml index af3df2889..0d743a2b5 100644 --- a/plugins/syntax/z_syntax.ml +++ b/plugins/syntax/z_syntax.ml @@ -45,13 +45,13 @@ let glob_xO = ConstructRef path_of_xO let glob_xH = ConstructRef path_of_xH let pos_of_bignat ?loc x = - let ref_xI = CAst.make ?loc @@ GRef (glob_xI, None) in - let ref_xH = CAst.make ?loc @@ GRef (glob_xH, None) in - let ref_xO = CAst.make ?loc @@ GRef (glob_xO, None) in + let ref_xI = DAst.make ?loc @@ GRef (glob_xI, None) in + let ref_xH = DAst.make ?loc @@ GRef (glob_xH, None) in + let ref_xO = DAst.make ?loc @@ GRef (glob_xO, None) in let rec pos_of x = match div2_with_rest x with - | (q,false) -> CAst.make ?loc @@ GApp (ref_xO,[pos_of q]) - | (q,true) when not (Bigint.equal q zero) -> CAst.make ?loc @@ GApp (ref_xI,[pos_of q]) + | (q,false) -> DAst.make ?loc @@ GApp (ref_xO,[pos_of q]) + | (q,true) when not (Bigint.equal q zero) -> DAst.make ?loc @@ GApp (ref_xI,[pos_of q]) | (q,true) -> ref_xH in pos_of x @@ -68,14 +68,18 @@ let interp_positive ?loc n = (* Printing positive via scopes *) (**********************************************************************) -let rec bignat_of_pos x = CAst.with_val (function - | GApp ({ CAst.v = GRef (b,_) },[a]) when Globnames.eq_gr b glob_xO -> mult_2(bignat_of_pos a) - | GApp ({ CAst.v = GRef (b,_) },[a]) when Globnames.eq_gr b glob_xI -> add_1(mult_2(bignat_of_pos a)) +let is_gr c gr = match DAst.get c with +| GRef (r, _) -> Globnames.eq_gr r gr +| _ -> false + +let rec bignat_of_pos x = DAst.with_val (function + | GApp (r ,[a]) when is_gr r glob_xO -> mult_2(bignat_of_pos a) + | GApp (r ,[a]) when is_gr r glob_xI -> add_1(mult_2(bignat_of_pos a)) | GRef (a, _) when Globnames.eq_gr a glob_xH -> Bigint.one | _ -> raise Non_closed_number ) x -let uninterp_positive p = +let uninterp_positive (AnyGlobConstr p) = try Some (bignat_of_pos p) with Non_closed_number -> @@ -88,9 +92,9 @@ let uninterp_positive p = let _ = Notation.declare_numeral_interpreter "positive_scope" (positive_path,binnums) interp_positive - ([CAst.make @@ GRef (glob_xI, None); - CAst.make @@ GRef (glob_xO, None); - CAst.make @@ GRef (glob_xH, None)], + ([DAst.make @@ GRef (glob_xI, None); + DAst.make @@ GRef (glob_xO, None); + DAst.make @@ GRef (glob_xH, None)], uninterp_positive, true) @@ -107,9 +111,9 @@ let glob_Npos = ConstructRef path_of_Npos let n_path = make_path binnums "N" -let n_of_binnat ?loc pos_or_neg n = CAst.make ?loc @@ +let n_of_binnat ?loc pos_or_neg n = DAst.make ?loc @@ if not (Bigint.equal n zero) then - GApp(CAst.make @@ GRef (glob_Npos,None), [pos_of_bignat ?loc n]) + GApp(DAst.make @@ GRef (glob_Npos,None), [pos_of_bignat ?loc n]) else GRef(glob_N0, None) @@ -124,13 +128,13 @@ let n_of_int ?loc n = (* Printing N via scopes *) (**********************************************************************) -let bignat_of_n = CAst.with_val (function - | GApp ({ CAst.v = GRef (b,_)},[a]) when Globnames.eq_gr b glob_Npos -> bignat_of_pos a +let bignat_of_n n = DAst.with_val (function + | GApp (r, [a]) when is_gr r glob_Npos -> bignat_of_pos a | GRef (a,_) when Globnames.eq_gr a glob_N0 -> Bigint.zero | _ -> raise Non_closed_number - ) + ) n -let uninterp_n p = +let uninterp_n (AnyGlobConstr p) = try Some (bignat_of_n p) with Non_closed_number -> None @@ -140,8 +144,8 @@ let uninterp_n p = let _ = Notation.declare_numeral_interpreter "N_scope" (n_path,binnums) n_of_int - ([CAst.make @@ GRef (glob_N0, None); - CAst.make @@ GRef (glob_Npos, None)], + ([DAst.make @@ GRef (glob_N0, None); + DAst.make @@ GRef (glob_Npos, None)], uninterp_n, true) @@ -163,22 +167,22 @@ let z_of_int ?loc n = if not (Bigint.equal n zero) then let sgn, n = if is_pos_or_zero n then glob_POS, n else glob_NEG, Bigint.neg n in - CAst.make ?loc @@ GApp(CAst.make ?loc @@ GRef(sgn,None), [pos_of_bignat ?loc n]) + DAst.make ?loc @@ GApp(DAst.make ?loc @@ GRef(sgn,None), [pos_of_bignat ?loc n]) else - CAst.make ?loc @@ GRef(glob_ZERO, None) + DAst.make ?loc @@ GRef(glob_ZERO, None) (**********************************************************************) (* Printing Z via scopes *) (**********************************************************************) -let bigint_of_z = CAst.with_val (function - | GApp ({ CAst.v = GRef (b,_)},[a]) when Globnames.eq_gr b glob_POS -> bignat_of_pos a - | GApp ({ CAst.v = GRef (b,_)},[a]) when Globnames.eq_gr b glob_NEG -> Bigint.neg (bignat_of_pos a) +let bigint_of_z z = DAst.with_val (function + | GApp (r, [a]) when is_gr r glob_POS -> bignat_of_pos a + | GApp (r, [a]) when is_gr r glob_NEG -> Bigint.neg (bignat_of_pos a) | GRef (a, _) when Globnames.eq_gr a glob_ZERO -> Bigint.zero | _ -> raise Non_closed_number - ) + ) z -let uninterp_z p = +let uninterp_z (AnyGlobConstr p) = try Some (bigint_of_z p) with Non_closed_number -> None @@ -189,8 +193,8 @@ let uninterp_z p = let _ = Notation.declare_numeral_interpreter "Z_scope" (z_path,binnums) z_of_int - ([CAst.make @@ GRef (glob_ZERO, None); - CAst.make @@ GRef (glob_POS, None); - CAst.make @@ GRef (glob_NEG, None)], + ([DAst.make @@ GRef (glob_ZERO, None); + DAst.make @@ GRef (glob_POS, None); + DAst.make @@ GRef (glob_NEG, None)], uninterp_z, true) |