diff options
Diffstat (limited to 'parsing/g_tactic.ml4')
| -rw-r--r-- | parsing/g_tactic.ml4 | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/parsing/g_tactic.ml4 b/parsing/g_tactic.ml4 index c94ac846..2a00a176 100644 --- a/parsing/g_tactic.ml4 +++ b/parsing/g_tactic.ml4 @@ -1,6 +1,6 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -44,6 +44,20 @@ let test_lpar_id_coloneq = | _ -> err ()) | _ -> err ()) +(* Hack to recognize "(x)" *) +let test_lpar_id_rpar = + Gram.Entry.of_parser "lpar_id_coloneq" + (fun strm -> + match get_tok (stream_nth 0 strm) with + | KEYWORD "(" -> + (match get_tok (stream_nth 1 strm) with + | IDENT _ -> + (match get_tok (stream_nth 2 strm) with + | KEYWORD ")" -> () + | _ -> err ()) + | _ -> err ()) + | _ -> err ()) + (* idem for (x:=t) and (1:=t) *) let test_lpar_idnum_coloneq = Gram.Entry.of_parser "test_lpar_idnum_coloneq" @@ -224,8 +238,9 @@ GEXTEND Gram ; induction_arg: [ [ n = natural -> (None,ElimOnAnonHyp n) + | test_lpar_id_rpar; c = constr_with_bindings -> + (Some false,induction_arg_of_constr c) | 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: @@ -296,11 +311,18 @@ GEXTEND Gram | "**" -> !@loc, IntroForthcoming false ]] ; simple_intropattern: + [ [ pat = simple_intropattern_closed; + l = LIST0 ["%"; c = operconstr LEVEL "0" -> c] -> + let loc0,pat = pat in + let f c pat = + let loc = Loc.merge loc0 (Constrexpr_ops.constr_loc c) in + IntroAction (IntroApplyOn (c,(loc,pat))) in + !@loc, List.fold_right f l pat ] ] + ; + simple_intropattern_closed: [ [ pat = or_and_intropattern -> !@loc, IntroAction (IntroOrAndPattern pat) | pat = equality_intropattern -> !@loc, IntroAction pat | "_" -> !@loc, IntroAction IntroWildcard - | pat = simple_intropattern; "/"; c = constr -> - !@loc, IntroAction (IntroApplyOn (c,pat)) | pat = naming_intropattern -> !@loc, IntroNaming pat ] ] ; simple_binding: @@ -399,7 +421,7 @@ GEXTEND Gram | -> [] ] ] ; in_hyp_as: - [ [ "in"; id = id_or_meta; ipat = as_ipat -> Some (None,id,ipat) + [ [ "in"; id = id_or_meta; ipat = as_ipat -> Some (id,ipat) | -> None ] ] ; orient: |