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-rw-r--r--parsing/g_tactic.ml453
1 files changed, 30 insertions, 23 deletions
diff --git a/parsing/g_tactic.ml4 b/parsing/g_tactic.ml4
index c02f2d569a..3c097db1ce 100644
--- a/parsing/g_tactic.ml4
+++ b/parsing/g_tactic.ml4
@@ -136,19 +136,19 @@ let induction_arg_of_constr (c,lbind as clbind) = match lbind with
| _ -> ElimOnConstr clbind
let mkTacCase with_evar = function
- | [ElimOnConstr cl,(None,None)],None,None ->
- TacCase (with_evar,cl)
+ | [(clear,ElimOnConstr cl),(None,None)],None,None ->
+ TacCase (with_evar,(clear,cl))
(* Reinterpret numbers as a notation for terms *)
- | [ElimOnAnonHyp n,(None,None)],None,None ->
+ | [(clear,ElimOnAnonHyp n),(None,None)],None,None ->
TacCase (with_evar,
- (CPrim (Loc.ghost, Numeral (Bigint.of_int n)),
- NoBindings))
+ (clear,(CPrim (Loc.ghost, Numeral (Bigint.of_int n)),
+ NoBindings)))
(* Reinterpret ident as notations for variables in the context *)
(* because we don't know if they are quantified or not *)
- | [ElimOnIdent id,(None,None)],None,None ->
- TacCase (with_evar,(CRef (Ident id,None),NoBindings))
+ | [(clear,ElimOnIdent id),(None,None)],None,None ->
+ TacCase (with_evar,(clear,(CRef (Ident id,None),NoBindings)))
| ic ->
- if List.exists (function (ElimOnAnonHyp _,_) -> true | _ -> false) (pi1 ic)
+ if List.exists (function ((_, ElimOnAnonHyp _),_) -> true | _ -> false) (pi1 ic)
then
error "Use of numbers as direct arguments of 'case' is not supported.";
TacInductionDestruct (false,with_evar,ic)
@@ -237,10 +237,15 @@ GEXTEND Gram
[ [ c = constr -> c ] ]
;
induction_arg:
- [ [ n = natural -> ElimOnAnonHyp n
- | c = constr_with_bindings -> induction_arg_of_constr c
+ [ [ n = natural -> (None,ElimOnAnonHyp n)
+ | c = constr_with_bindings -> (None,induction_arg_of_constr c)
+ | "!"; c = constr_with_bindings -> (Some false,induction_arg_of_constr c)
] ]
;
+ constr_with_bindings_arg:
+ [ [ ">"; c = constr_with_bindings -> (Some true,c)
+ | c = constr_with_bindings -> (None,c) ] ]
+ ;
quantified_hypothesis:
[ [ id = ident -> NamedHyp id
| n = natural -> AnonHyp n ] ]
@@ -412,7 +417,7 @@ GEXTEND Gram
| -> [] ] ]
;
in_hyp_as:
- [ [ "in"; id = id_or_meta; ipat = as_ipat -> Some (id,ipat)
+ [ [ "in"; id = id_or_meta; ipat = as_ipat -> Some (None,id,ipat)
| -> None ] ]
;
orient:
@@ -496,12 +501,12 @@ GEXTEND Gram
[ [ id1 = id_or_meta; IDENT "into"; id2 = id_or_meta -> (id1,id2) ] ]
;
rewriter :
- [ [ "!"; c = constr_with_bindings -> (RepeatPlus,c)
- | ["?"| LEFTQMARK]; c = constr_with_bindings -> (RepeatStar,c)
- | n = natural; "!"; c = constr_with_bindings -> (Precisely n,c)
- | n = natural; ["?" | LEFTQMARK]; c = constr_with_bindings -> (UpTo n,c)
- | n = natural; c = constr_with_bindings -> (Precisely n,c)
- | c = constr_with_bindings -> (Precisely 1, c)
+ [ [ "!"; c = constr_with_bindings -> (RepeatPlus,(None,c))
+ | ["?"| LEFTQMARK]; c = constr_with_bindings_arg -> (RepeatStar,c)
+ | n = natural; "!"; c = constr_with_bindings -> (Precisely n,(None,c))
+ | n = natural; ["?" | LEFTQMARK]; c = constr_with_bindings_arg -> (UpTo n,c)
+ | n = natural; c = constr_with_bindings_arg -> (Precisely n,c)
+ | c = constr_with_bindings -> (Precisely 1, (None,c))
] ]
;
oriented_rewriter :
@@ -534,17 +539,19 @@ GEXTEND Gram
| IDENT "exact"; c = constr -> TacExact c
- | IDENT "apply"; cl = LIST1 constr_with_bindings SEP ",";
+ | IDENT "apply"; cl = LIST1 constr_with_bindings_arg SEP ",";
inhyp = in_hyp_as -> TacApply (true,false,cl,inhyp)
- | IDENT "eapply"; cl = LIST1 constr_with_bindings SEP ",";
+ | IDENT "eapply"; cl = LIST1 constr_with_bindings_arg SEP ",";
inhyp = in_hyp_as -> TacApply (true,true,cl,inhyp)
- | IDENT "simple"; IDENT "apply"; cl = LIST1 constr_with_bindings SEP ",";
+ | IDENT "simple"; IDENT "apply";
+ cl = LIST1 constr_with_bindings_arg SEP ",";
inhyp = in_hyp_as -> TacApply (false,false,cl,inhyp)
- | IDENT "simple"; IDENT "eapply"; cl = LIST1 constr_with_bindings SEP",";
+ | IDENT "simple"; IDENT "eapply";
+ cl = LIST1 constr_with_bindings_arg SEP",";
inhyp = in_hyp_as -> TacApply (false,true,cl,inhyp)
- | IDENT "elim"; cl = constr_with_bindings; el = OPT eliminator ->
+ | IDENT "elim"; cl = constr_with_bindings_arg; el = OPT eliminator ->
TacElim (false,cl,el)
- | IDENT "eelim"; cl = constr_with_bindings; el = OPT eliminator ->
+ | IDENT "eelim"; cl = constr_with_bindings_arg; el = OPT eliminator ->
TacElim (true,cl,el)
| IDENT "case"; icl = induction_clause_list -> mkTacCase false icl
| IDENT "ecase"; icl = induction_clause_list -> mkTacCase true icl