diff options
| -rw-r--r-- | doc/changelog/04-tactics/10318-select-only-error.rst | 4 | ||||
| -rw-r--r-- | doc/changelog/05-tactic-language/10289-ltac2+delimited-constr-in-notations.rst | 5 | ||||
| -rw-r--r-- | doc/sphinx/proof-engine/ltac2.rst | 7 | ||||
| -rw-r--r-- | engine/proofview.ml | 42 | ||||
| -rw-r--r-- | proofs/refine.ml | 3 | ||||
| -rw-r--r-- | proofs/refine.mli | 3 | ||||
| -rw-r--r-- | proofs/refiner.ml | 55 | ||||
| -rw-r--r-- | proofs/refiner.mli | 29 | ||||
| -rw-r--r-- | proofs/tacmach.ml | 9 | ||||
| -rw-r--r-- | proofs/tacmach.mli | 4 | ||||
| -rw-r--r-- | tactics/tacticals.ml | 8 | ||||
| -rw-r--r-- | tactics/tacticals.mli | 9 | ||||
| -rw-r--r-- | test-suite/ltac2/notations.v | 24 | ||||
| -rw-r--r-- | test-suite/success/goal_selector.v | 8 | ||||
| -rw-r--r-- | user-contrib/Ltac2/tac2core.ml | 11 | ||||
| -rw-r--r-- | user-contrib/Ltac2/tac2quote.ml | 8 | ||||
| -rw-r--r-- | user-contrib/Ltac2/tac2quote.mli | 2 |
17 files changed, 80 insertions, 151 deletions
diff --git a/doc/changelog/04-tactics/10318-select-only-error.rst b/doc/changelog/04-tactics/10318-select-only-error.rst new file mode 100644 index 0000000000..03ed15d948 --- /dev/null +++ b/doc/changelog/04-tactics/10318-select-only-error.rst @@ -0,0 +1,4 @@ +- The goal selector tactical ``only`` now checks that the goal range + it is given is valid instead of ignoring goals out of the focus + range. (`#10318 <https://github.com/coq/coq/pull/10318>`_, by Gaëtan + Gilbert). diff --git a/doc/changelog/05-tactic-language/10289-ltac2+delimited-constr-in-notations.rst b/doc/changelog/05-tactic-language/10289-ltac2+delimited-constr-in-notations.rst new file mode 100644 index 0000000000..bd1c0c42e8 --- /dev/null +++ b/doc/changelog/05-tactic-language/10289-ltac2+delimited-constr-in-notations.rst @@ -0,0 +1,5 @@ +- Ltac2 tactic notations with “constr” arguments can specify the + interpretation scope for these arguments; + see :ref:`ltac2_notations` for details + (`#10289 <https://github.com/coq/coq/pull/10289>`_, + by Vincent Laporte). diff --git a/doc/sphinx/proof-engine/ltac2.rst b/doc/sphinx/proof-engine/ltac2.rst index 5f2e911ff9..36eeff6192 100644 --- a/doc/sphinx/proof-engine/ltac2.rst +++ b/doc/sphinx/proof-engine/ltac2.rst @@ -655,6 +655,8 @@ this features has the same semantics as in Ltac1. In particular, a ``reverse`` flag can be specified to match hypotheses from the more recently introduced to the least recently introduced one. +.. _ltac2_notations: + Notations --------- @@ -679,6 +681,11 @@ The following scopes are built-in. + parses :n:`c = @term` and produces :n:`constr:(c)` + This scope can be parameterized by a list of delimiting keys of interpretation + scopes (as described in :ref:`LocalInterpretationRulesForNotations`), + describing how to interpret the parsed term. For instance, :n:`constr(A, B)` + parses :n:`c = @term` and produces :n:`constr:(c%A%B)`. + - :n:`ident`: + parses :n:`id = @ident` and produces :n:`ident:(id)` diff --git a/engine/proofview.ml b/engine/proofview.ml index c00c90e5e9..d4f6fe3aef 100644 --- a/engine/proofview.ml +++ b/engine/proofview.ml @@ -373,32 +373,24 @@ let tclTRYFOCUS i j t = tclFOCUS ~nosuchgoal:(tclUNIT ()) i j t let tclFOCUSLIST ?(nosuchgoal=tclZERO (NoSuchGoals 0)) l t = let open Proof in Comb.get >>= fun comb -> - let n = CList.length comb in - (* First, remove empty intervals, and bound the intervals to the number - of goals. *) - let sanitize (i, j) = - if i > j then None - else if i > n then None - else if j < 1 then None - else Some ((max i 1), (min j n)) - in - let l = CList.map_filter sanitize l in + let n = CList.length comb in + let ok (i, j) = 1 <= i && i <= j && j <= n in + if not (CList.for_all ok l) then nosuchgoal + else match l with - | [] -> nosuchgoal - | (mi, _) :: _ -> - (* Get the left-most goal to focus. This goal won't move, and we - will then place all the other goals to focus to the right. *) - let mi = CList.fold_left (fun m (i, _) -> min m i) mi l in - (* [CList.goto] returns a zipper, so that - [(rev left) @ sub_right = comb]. *) - let left, sub_right = CList.goto (mi-1) comb in - let p x _ = CList.exists (fun (i, j) -> i <= x + mi && x + mi <= j) l in - let sub, right = CList.partitioni p sub_right in - let mj = mi - 1 + CList.length sub in - Comb.set (CList.rev_append left (sub @ right)) >> - tclFOCUS mi mj t - - + | [] -> nosuchgoal + | (mi, _) :: _ -> + (* Get the left-most goal to focus. This goal won't move, and we + will then place all the other goals to focus to the right. *) + let mi = CList.fold_left (fun m (i, _) -> min m i) mi l in + (* [CList.goto] returns a zipper, so that + [(rev left) @ sub_right = comb]. *) + let left, sub_right = CList.goto (mi-1) comb in + let p x _ = CList.exists (fun (i, j) -> i <= x + mi && x + mi <= j) l in + let sub, right = CList.partitioni p sub_right in + let mj = mi - 1 + CList.length sub in + Comb.set (CList.rev_append left (sub @ right)) >> + tclFOCUS mi mj t (** Like {!tclFOCUS} but selects a single goal by name. *) let tclFOCUSID ?(nosuchgoal=tclZERO (NoSuchGoals 1)) id t = diff --git a/proofs/refine.ml b/proofs/refine.ml index 4a9404aa96..8439156e65 100644 --- a/proofs/refine.ml +++ b/proofs/refine.ml @@ -116,9 +116,6 @@ let lift c = let make_refine_enter ~typecheck f gl = generic_refine ~typecheck (lift f) gl -let refine_one ~typecheck f = - Proofview.Goal.enter_one (make_refine_enter ~typecheck f) - let refine ~typecheck f = let f evd = let (evd,c) = f evd in (evd,((), c)) diff --git a/proofs/refine.mli b/proofs/refine.mli index b8948a92f3..93fd9d7a64 100644 --- a/proofs/refine.mli +++ b/proofs/refine.mli @@ -27,9 +27,6 @@ val refine : typecheck:bool -> (Evd.evar_map -> Evd.evar_map * EConstr.t) -> uni raised during the interpretation of [t] are caught and result in tactic failures. If [typecheck] is [true] [t] is type-checked beforehand. *) -val refine_one : typecheck:bool -> (Evd.evar_map -> Evd.evar_map * ('a * EConstr.t)) -> 'a tactic -(** A variant of [refine] which assumes exactly one goal under focus *) - val generic_refine : typecheck:bool -> ('a * EConstr.t) tactic -> Proofview.Goal.t -> 'a tactic (** The general version of refine. *) diff --git a/proofs/refiner.ml b/proofs/refiner.ml index 799f4a380b..557f428be9 100644 --- a/proofs/refiner.ml +++ b/proofs/refiner.ml @@ -129,9 +129,6 @@ let tclTHENSLASTn tac1 tac taci = tclTHENS3PARTS tac1 [||] tac taci let tclTHEN_i tac taci gls = finish_tac (thensi_tac taci (then_tac tac (start_tac gls))) -let tclTHENLASTn tac1 taci = tclTHENSLASTn tac1 tclIDTAC taci -let tclTHENFIRSTn tac1 taci = tclTHENSFIRSTn tac1 taci tclIDTAC - (* [tclTHEN tac1 tac2 gls] applies the tactic [tac1] to [gls] and applies [tac2] to every resulting subgoals *) let tclTHEN tac1 tac2 = tclTHENS3PARTS tac1 [||] tac2 [||] @@ -253,46 +250,9 @@ let rec tclFIRST = function | [] -> tclFAIL_s "No applicable tactic." | t::rest -> tclORELSE0 t (tclFIRST rest) -let ite_gen tcal tac_if continue tac_else gl= - let success=ref false in - let tac_if0 gl= - let result=tac_if gl in - success:=true;result in - let tac_else0 e gl= - if !success then - iraise e - else - try - tac_else gl - with - e' when CErrors.noncritical e' -> iraise e in - try - tcal tac_if0 continue gl - with (* Breakpoint *) - | e when CErrors.noncritical e -> - let e = CErrors.push e in catch_failerror e; tac_else0 e gl - -(* Try the first tactic and, if it succeeds, continue with - the second one, and if it fails, use the third one *) - -let tclIFTHENELSE=ite_gen tclTHEN - -(* Idem with tclTHENS and tclTHENSV *) - -let tclIFTHENSELSE=ite_gen tclTHENS - -let tclIFTHENSVELSE=ite_gen tclTHENSV - -let tclIFTHENTRYELSEMUST tac1 tac2 gl = - tclIFTHENELSE tac1 (tclTRY tac2) tac2 gl - (* Fails if a tactic did not solve the goal *) let tclCOMPLETE tac = tclTHEN tac (tclFAIL_s "Proof is not complete.") -(* Try the first that solves the current goal *) -let tclSOLVE tacl = tclFIRST (List.map tclCOMPLETE tacl) - - (* Iteration tacticals *) let tclDO n t = @@ -311,22 +271,7 @@ let rec tclREPEAT t g = let tclAT_LEAST_ONCE t = (tclTHEN t (tclREPEAT t)) -(* Repeat on the first subgoal (no failure if no more subgoal) *) -let rec tclREPEAT_MAIN t g = - (tclORELSE (tclTHEN_i t (fun i -> if Int.equal i 1 then (tclREPEAT_MAIN t) else - tclIDTAC)) tclIDTAC) g - (* Change evars *) let tclEVARS sigma gls = tclIDTAC {gls with sigma=sigma} - -let tclEVARUNIVCONTEXT ctx gls = tclIDTAC {gls with sigma= Evd.set_universe_context gls.sigma ctx} - -(* Push universe context *) -let tclPUSHCONTEXT rigid ctx tac gl = - tclTHEN (tclEVARS (Evd.merge_context_set rigid (project gl) ctx)) tac gl - let tclPUSHEVARUNIVCONTEXT ctx gl = tclEVARS (Evd.merge_universe_context (project gl) ctx) gl - -let tclPUSHCONSTRAINTS cst gl = - tclEVARS (Evd.add_constraints (project gl) cst) gl diff --git a/proofs/refiner.mli b/proofs/refiner.mli index 52cbf7658b..0f34a79c49 100644 --- a/proofs/refiner.mli +++ b/proofs/refiner.mli @@ -32,12 +32,8 @@ val tclIDTAC_MESSAGE : Pp.t -> tactic (** [tclEVARS sigma] changes the current evar map *) val tclEVARS : evar_map -> tactic -val tclEVARUNIVCONTEXT : UState.t -> tactic - -val tclPUSHCONTEXT : Evd.rigid -> Univ.ContextSet.t -> tactic -> tactic val tclPUSHEVARUNIVCONTEXT : UState.t -> tactic -val tclPUSHCONSTRAINTS : Univ.Constraint.t -> tactic (** [tclTHEN tac1 tac2 gls] applies the tactic [tac1] to [gls] and applies [tac2] to every resulting subgoals *) @@ -86,16 +82,6 @@ val tclTHENSLASTn : tactic -> tactic -> tactic array -> tactic [tac2] for the remaining last subgoals (previously called tclTHENST) *) val tclTHENSFIRSTn : tactic -> tactic array -> tactic -> tactic -(** [tclTHENLASTn tac1 [t1 ; ... ; tn] gls] first applies [tac1] then, - applies [t1],...,[tn] on the last [n] resulting subgoals and leaves - unchanged the other subgoals *) -val tclTHENLASTn : tactic -> tactic array -> tactic - -(** [tclTHENFIRSTn tac1 [t1 ; ... ; tn] gls] first applies [tac1] then, - applies [t1],...,[tn] on the first [n] resulting subgoals and leaves - unchanged the other subgoals (previously called [tclTHENSI]) *) -val tclTHENFIRSTn : tactic -> tactic array -> tactic - (** A special exception for levels for the Fail tactic *) exception FailError of int * Pp.t Lazy.t @@ -106,9 +92,7 @@ val catch_failerror : Exninfo.iexn -> unit val tclORELSE0 : tactic -> tactic -> tactic val tclORELSE : tactic -> tactic -> tactic val tclREPEAT : tactic -> tactic -val tclREPEAT_MAIN : tactic -> tactic val tclFIRST : tactic list -> tactic -val tclSOLVE : tactic list -> tactic val tclTRY : tactic -> tactic val tclTHENTRY : tactic -> tactic -> tactic val tclCOMPLETE : tactic -> tactic @@ -118,16 +102,3 @@ val tclFAIL_lazy : int -> Pp.t Lazy.t -> tactic val tclDO : int -> tactic -> tactic val tclPROGRESS : tactic -> tactic val tclSHOWHYPS : tactic -> tactic - -(** [tclIFTHENELSE tac1 tac2 tac3 gls] first applies [tac1] to [gls] then, - if it succeeds, applies [tac2] to the resulting subgoals, - and if not applies [tac3] to the initial goal [gls] *) -val tclIFTHENELSE : tactic -> tactic -> tactic -> tactic -val tclIFTHENSELSE : tactic -> tactic list -> tactic ->tactic -val tclIFTHENSVELSE : tactic -> tactic array -> tactic ->tactic - -(** [tclIFTHENTRYELSEMUST tac1 tac2 gls] applies [tac1] then [tac2]. If [tac1] - has been successful, then [tac2] may fail. Otherwise, [tac2] must succeed. - Equivalent to [(tac1;try tac2)||tac2] *) - -val tclIFTHENTRYELSEMUST : tactic -> tactic -> tactic diff --git a/proofs/tacmach.ml b/proofs/tacmach.ml index 93031c2202..d7b4f729cb 100644 --- a/proofs/tacmach.ml +++ b/proofs/tacmach.ml @@ -81,12 +81,10 @@ let pf_type_of = pf_reduce type_of let pf_get_type_of = pf_reduce Retyping.get_type_of let pf_conv_x gl = pf_reduce test_conversion gl Reduction.CONV -let pf_conv_x_leq gl = pf_reduce test_conversion gl Reduction.CUMUL let pf_const_value = pf_reduce (fun env _ c -> EConstr.of_constr (constant_value_in env c)) let pf_reduce_to_quantified_ind = pf_reduce reduce_to_quantified_ind let pf_reduce_to_atomic_ind = pf_reduce reduce_to_atomic_ind - let pf_hnf_type_of gls = pf_get_type_of gls %> pf_whd_all gls (* Pretty-printers *) @@ -181,14 +179,7 @@ module New = struct let pf_hnf_type_of gl t = pf_whd_all gl (pf_get_type_of gl t) - let pf_whd_all gl t = pf_apply whd_all gl t let pf_compute gl t = pf_apply compute gl t let pf_nf_evar gl t = nf_evar (project gl) t - - let pf_undefined_evars gl = - let sigma = Proofview.Goal.sigma gl in - let ev = Proofview.Goal.goal gl in - let evi = Evd.find sigma ev in - Evarutil.filtered_undefined_evars_of_evar_info sigma evi end diff --git a/proofs/tacmach.mli b/proofs/tacmach.mli index 23e1e6f566..195be04986 100644 --- a/proofs/tacmach.mli +++ b/proofs/tacmach.mli @@ -64,7 +64,6 @@ val pf_unfoldn : (occurrences * evaluable_global_reference) list val pf_const_value : Goal.goal sigma -> pconstant -> constr val pf_conv_x : Goal.goal sigma -> constr -> constr -> bool -val pf_conv_x_leq : Goal.goal sigma -> constr -> constr -> bool (** {6 Pretty-printing functions (debug only). } *) val pr_gls : Goal.goal sigma -> Pp.t @@ -109,11 +108,8 @@ module New : sig val pf_hnf_constr : Proofview.Goal.t -> constr -> types val pf_hnf_type_of : Proofview.Goal.t -> constr -> types - val pf_whd_all : Proofview.Goal.t -> constr -> constr val pf_compute : Proofview.Goal.t -> constr -> constr val pf_nf_evar : Proofview.Goal.t -> constr -> constr - (** Gathers the undefined evars of the given goal. *) - val pf_undefined_evars : Proofview.Goal.t -> Evar.Set.t end diff --git a/tactics/tacticals.ml b/tactics/tacticals.ml index 59fd8b37d6..81700986ea 100644 --- a/tactics/tacticals.ml +++ b/tactics/tacticals.ml @@ -43,12 +43,8 @@ let tclTHENS = Refiner.tclTHENS let tclTHENSV = Refiner.tclTHENSV let tclTHENSFIRSTn = Refiner.tclTHENSFIRSTn let tclTHENSLASTn = Refiner.tclTHENSLASTn -let tclTHENFIRSTn = Refiner.tclTHENFIRSTn -let tclTHENLASTn = Refiner.tclTHENLASTn let tclREPEAT = Refiner.tclREPEAT -let tclREPEAT_MAIN = Refiner.tclREPEAT_MAIN let tclFIRST = Refiner.tclFIRST -let tclSOLVE = Refiner.tclSOLVE let tclTRY = Refiner.tclTRY let tclCOMPLETE = Refiner.tclCOMPLETE let tclAT_LEAST_ONCE = Refiner.tclAT_LEAST_ONCE @@ -58,10 +54,6 @@ let tclDO = Refiner.tclDO let tclPROGRESS = Refiner.tclPROGRESS let tclSHOWHYPS = Refiner.tclSHOWHYPS let tclTHENTRY = Refiner.tclTHENTRY -let tclIFTHENELSE = Refiner.tclIFTHENELSE -let tclIFTHENSELSE = Refiner.tclIFTHENSELSE -let tclIFTHENSVELSE = Refiner.tclIFTHENSVELSE -let tclIFTHENTRYELSEMUST = Refiner.tclIFTHENTRYELSEMUST (************************************************************************) (* Tacticals applying on hypotheses *) diff --git a/tactics/tacticals.mli b/tactics/tacticals.mli index 201b7801c3..a9ccda527f 100644 --- a/tactics/tacticals.mli +++ b/tactics/tacticals.mli @@ -31,13 +31,9 @@ val tclTHENLAST : tactic -> tactic -> tactic val tclTHENS : tactic -> tactic list -> tactic val tclTHENSV : tactic -> tactic array -> tactic val tclTHENSLASTn : tactic -> tactic -> tactic array -> tactic -val tclTHENLASTn : tactic -> tactic array -> tactic val tclTHENSFIRSTn : tactic -> tactic array -> tactic -> tactic -val tclTHENFIRSTn : tactic -> tactic array -> tactic val tclREPEAT : tactic -> tactic -val tclREPEAT_MAIN : tactic -> tactic val tclFIRST : tactic list -> tactic -val tclSOLVE : tactic list -> tactic val tclTRY : tactic -> tactic val tclCOMPLETE : tactic -> tactic val tclAT_LEAST_ONCE : tactic -> tactic @@ -49,11 +45,6 @@ val tclSHOWHYPS : tactic -> tactic val tclTHENTRY : tactic -> tactic -> tactic val tclMAP : ('a -> tactic) -> 'a list -> tactic -val tclIFTHENELSE : tactic -> tactic -> tactic -> tactic -val tclIFTHENSELSE : tactic -> tactic list -> tactic -> tactic -val tclIFTHENSVELSE : tactic -> tactic array -> tactic -> tactic -val tclIFTHENTRYELSEMUST : tactic -> tactic -> tactic - (** {6 Tacticals applying to hypotheses } *) val onNthHypId : int -> (Id.t -> tactic) -> tactic diff --git a/test-suite/ltac2/notations.v b/test-suite/ltac2/notations.v new file mode 100644 index 0000000000..3d2a875e38 --- /dev/null +++ b/test-suite/ltac2/notations.v @@ -0,0 +1,24 @@ +From Ltac2 Require Import Ltac2. +From Coq Require Import ZArith String List. + +Open Scope Z_scope. + +Check 1 + 1 : Z. + +Ltac2 Notation "ex" arg(constr(nat,Z)) := arg. + +Check (1 + 1)%nat%Z = 1%nat. + +Lemma two : nat. + refine (ex (1 + 1)). +Qed. + +Import ListNotations. +Close Scope list_scope. + +Ltac2 Notation "sl" arg(constr(string,list)) := arg. + +Lemma maybe : list bool. +Proof. + refine (sl ["left" =? "right"]). +Qed. diff --git a/test-suite/success/goal_selector.v b/test-suite/success/goal_selector.v index 0951c5c8d4..ae834e7696 100644 --- a/test-suite/success/goal_selector.v +++ b/test-suite/success/goal_selector.v @@ -13,13 +13,15 @@ Goal two false /\ two true /\ two false /\ two true /\ two true /\ two true. Proof. do 2 dup. - repeat split. - 2, 4-99, 100-3:idtac. + Fail 7:idtac. + Fail 2-1:idtac. + 1,2,4-6:idtac. 2-5:exact One. par:exact Zero. - repeat split. 3-6:swap 1 4. 1-5:swap 1 5. - 0-4:exact One. + 1-4:exact One. all:exact Zero. - repeat split. 1, 3:exact Zero. @@ -34,7 +36,7 @@ Qed. Goal True -> True. Proof. - intros y; only 1-2 : repeat idtac. + intros y. 1-1:match goal with y : _ |- _ => let x := y in idtac x end. Fail 1-1:let x := y in idtac x. 1:let x := y in idtac x. diff --git a/user-contrib/Ltac2/tac2core.ml b/user-contrib/Ltac2/tac2core.ml index da8600109e..e2bab96e20 100644 --- a/user-contrib/Ltac2/tac2core.ml +++ b/user-contrib/Ltac2/tac2core.ml @@ -1355,6 +1355,16 @@ let () = add_scope "thunk" begin function | arg -> scope_fail "thunk" arg end +let () = add_scope "constr" (fun arg -> + let delimiters = List.map (function + | SexprRec (_, { v = Some s }, []) -> s + | _ -> scope_fail "constr" arg) + arg + in + let act e = Tac2quote.of_constr ~delimiters e in + Tac2entries.ScopeRule (Extend.Aentry Pcoq.Constr.constr, act) + ) + let add_expr_scope name entry f = add_scope name begin function | [] -> Tac2entries.ScopeRule (Extend.Aentry entry, f) @@ -1382,7 +1392,6 @@ let () = add_expr_scope "assert" q_assert Tac2quote.of_assertion let () = add_expr_scope "constr_matching" q_constr_matching Tac2quote.of_constr_matching let () = add_expr_scope "goal_matching" q_goal_matching Tac2quote.of_goal_matching -let () = add_generic_scope "constr" Pcoq.Constr.constr Tac2quote.wit_constr let () = add_generic_scope "open_constr" Pcoq.Constr.constr Tac2quote.wit_open_constr let () = add_generic_scope "pattern" Pcoq.Constr.constr Tac2quote.wit_pattern diff --git a/user-contrib/Ltac2/tac2quote.ml b/user-contrib/Ltac2/tac2quote.ml index a98264745e..81442c9d6b 100644 --- a/user-contrib/Ltac2/tac2quote.ml +++ b/user-contrib/Ltac2/tac2quote.ml @@ -94,8 +94,14 @@ let of_anti f = function let of_ident {loc;v=id} = inj_wit ?loc wit_ident id -let of_constr c = +let of_constr ?delimiters c = let loc = Constrexpr_ops.constr_loc c in + let c = Option.cata + (List.fold_left (fun c d -> + CAst.make ?loc @@ Constrexpr.CDelimiters(Id.to_string d, c)) + c) + c delimiters + in inj_wit ?loc wit_constr c let of_open_constr c = diff --git a/user-contrib/Ltac2/tac2quote.mli b/user-contrib/Ltac2/tac2quote.mli index 1b03dad8ec..1c859063aa 100644 --- a/user-contrib/Ltac2/tac2quote.mli +++ b/user-contrib/Ltac2/tac2quote.mli @@ -32,7 +32,7 @@ val of_variable : Id.t CAst.t -> raw_tacexpr val of_ident : Id.t CAst.t -> raw_tacexpr -val of_constr : Constrexpr.constr_expr -> raw_tacexpr +val of_constr : ?delimiters:Id.t list -> Constrexpr.constr_expr -> raw_tacexpr val of_open_constr : Constrexpr.constr_expr -> raw_tacexpr |
