diff options
Diffstat (limited to 'plugins/syntax/z_syntax.ml')
-rw-r--r-- | plugins/syntax/z_syntax.ml | 107 |
1 files changed, 58 insertions, 49 deletions
diff --git a/plugins/syntax/z_syntax.ml b/plugins/syntax/z_syntax.ml index 60803a36..d5300e47 100644 --- a/plugins/syntax/z_syntax.ml +++ b/plugins/syntax/z_syntax.ml @@ -1,9 +1,11 @@ (************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) (* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) (************************************************************************) open Pp @@ -44,37 +46,42 @@ let glob_xI = ConstructRef path_of_xI let glob_xO = ConstructRef path_of_xO let glob_xH = ConstructRef path_of_xH -let pos_of_bignat dloc x = - let ref_xI = GRef (dloc, glob_xI, None) in - let ref_xH = GRef (dloc, glob_xH, None) in - let ref_xO = GRef (dloc, glob_xO, None) in +let pos_of_bignat ?loc x = + 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) -> GApp (dloc, ref_xO,[pos_of q]) - | (q,true) when not (Bigint.equal q zero) -> GApp (dloc,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 -let error_non_positive dloc = - user_err_loc (dloc, "interp_positive", - str "Only strictly positive numbers in type \"positive\".") +let error_non_positive ?loc = + user_err ?loc ~hdr:"interp_positive" + (str "Only strictly positive numbers in type \"positive\".") -let interp_positive dloc n = - if is_strictly_pos n then pos_of_bignat dloc n - else error_non_positive dloc +let interp_positive ?loc n = + if is_strictly_pos n then pos_of_bignat ?loc n + else error_non_positive ?loc (**********************************************************************) (* Printing positive via scopes *) (**********************************************************************) -let rec bignat_of_pos = function - | GApp (_, GRef (_,b,_),[a]) when Globnames.eq_gr b glob_xO -> mult_2(bignat_of_pos a) - | GApp (_, GRef (_,b,_),[a]) when Globnames.eq_gr b glob_xI -> add_1(mult_2(bignat_of_pos a)) - | GRef (_, a, _) when Globnames.eq_gr a glob_xH -> Bigint.one +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 -> @@ -87,9 +94,9 @@ let uninterp_positive p = let _ = Notation.declare_numeral_interpreter "positive_scope" (positive_path,binnums) interp_positive - ([GRef (Loc.ghost, glob_xI, None); - GRef (Loc.ghost, glob_xO, None); - GRef (Loc.ghost, glob_xH, None)], + ([DAst.make @@ GRef (glob_xI, None); + DAst.make @@ GRef (glob_xO, None); + DAst.make @@ GRef (glob_xH, None)], uninterp_positive, true) @@ -106,29 +113,30 @@ let glob_Npos = ConstructRef path_of_Npos let n_path = make_path binnums "N" -let n_of_binnat dloc pos_or_neg n = +let n_of_binnat ?loc pos_or_neg n = DAst.make ?loc @@ if not (Bigint.equal n zero) then - GApp(dloc, GRef (dloc,glob_Npos,None), [pos_of_bignat dloc n]) + GApp(DAst.make @@ GRef (glob_Npos,None), [pos_of_bignat ?loc n]) else - GRef (dloc, glob_N0, None) + GRef(glob_N0, None) -let error_negative dloc = - user_err_loc (dloc, "interp_N", str "No negative numbers in type \"N\".") +let error_negative ?loc = + user_err ?loc ~hdr:"interp_N" (str "No negative numbers in type \"N\".") -let n_of_int dloc n = - if is_pos_or_zero n then n_of_binnat dloc true n - else error_negative dloc +let n_of_int ?loc n = + if is_pos_or_zero n then n_of_binnat ?loc true n + else error_negative ?loc (**********************************************************************) (* Printing N via scopes *) (**********************************************************************) -let bignat_of_n = function - | GApp (_, GRef (_,b,_),[a]) when Globnames.eq_gr b glob_Npos -> bignat_of_pos a - | GRef (_, a,_) when Globnames.eq_gr a glob_N0 -> Bigint.zero +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 @@ -138,8 +146,8 @@ let uninterp_n p = let _ = Notation.declare_numeral_interpreter "N_scope" (n_path,binnums) n_of_int - ([GRef (Loc.ghost, glob_N0, None); - GRef (Loc.ghost, glob_Npos, None)], + ([DAst.make @@ GRef (glob_N0, None); + DAst.make @@ GRef (glob_Npos, None)], uninterp_n, true) @@ -157,25 +165,26 @@ let glob_ZERO = ConstructRef path_of_ZERO let glob_POS = ConstructRef path_of_POS let glob_NEG = ConstructRef path_of_NEG -let z_of_int dloc n = +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 - GApp(dloc, GRef (dloc,sgn,None), [pos_of_bignat dloc n]) + DAst.make ?loc @@ GApp(DAst.make ?loc @@ GRef(sgn,None), [pos_of_bignat ?loc n]) else - GRef (dloc, glob_ZERO, None) + DAst.make ?loc @@ GRef(glob_ZERO, None) (**********************************************************************) (* Printing Z via scopes *) (**********************************************************************) -let bigint_of_z = function - | GApp (_, GRef (_,b,_),[a]) when Globnames.eq_gr b glob_POS -> bignat_of_pos a - | GApp (_, GRef (_,b,_),[a]) when Globnames.eq_gr b glob_NEG -> Bigint.neg (bignat_of_pos a) - | GRef (_, a, _) when Globnames.eq_gr a glob_ZERO -> Bigint.zero +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 @@ -186,8 +195,8 @@ let uninterp_z p = let _ = Notation.declare_numeral_interpreter "Z_scope" (z_path,binnums) z_of_int - ([GRef (Loc.ghost, glob_ZERO, None); - GRef (Loc.ghost, glob_POS, None); - GRef (Loc.ghost, glob_NEG, None)], + ([DAst.make @@ GRef (glob_ZERO, None); + DAst.make @@ GRef (glob_POS, None); + DAst.make @@ GRef (glob_NEG, None)], uninterp_z, true) |