diff options
Diffstat (limited to 'plugins/ssr/ssrparser.mlg')
| -rw-r--r-- | plugins/ssr/ssrparser.mlg | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/plugins/ssr/ssrparser.mlg b/plugins/ssr/ssrparser.mlg index 89e0c9fcbe..35fecfb0a5 100644 --- a/plugins/ssr/ssrparser.mlg +++ b/plugins/ssr/ssrparser.mlg @@ -100,7 +100,7 @@ ARGUMENT EXTEND ssrtacarg TYPED AS tactic PRINTED BY { pr_ssrtacarg env sigma } END GRAMMAR EXTEND Gram GLOBAL: ssrtacarg; - ssrtacarg: [[ tac = tactic_expr LEVEL "5" -> { tac } ]]; + ssrtacarg: [[ tac = ltac_expr LEVEL "5" -> { tac } ]]; END (* Copy of ssrtacarg with LEVEL "3", useful for: "under ... do ..." *) @@ -108,7 +108,7 @@ ARGUMENT EXTEND ssrtac3arg TYPED AS tactic PRINTED BY { pr_ssrtacarg env sigma } END GRAMMAR EXTEND Gram GLOBAL: ssrtac3arg; - ssrtac3arg: [[ tac = tactic_expr LEVEL "3" -> { tac } ]]; + ssrtac3arg: [[ tac = ltac_expr LEVEL "3" -> { tac } ]]; END { @@ -155,7 +155,7 @@ let pr_ssrhyp _ _ _ = pr_hyp let wit_ssrhyprep = add_genarg "ssrhyprep" (fun env sigma -> pr_hyp) let intern_hyp ist (SsrHyp (loc, id) as hyp) = - let _ = Tacintern.intern_genarg ist (in_gen (rawwit wit_var) CAst.(make ?loc id)) in + let _ = Tacintern.intern_genarg ist (in_gen (rawwit wit_hyp) CAst.(make ?loc id)) in if not_section_id id then hyp else hyp_err ?loc "Can't clear section hypothesis " id @@ -1337,7 +1337,7 @@ ARGUMENT EXTEND ssrbinder TYPED AS (ssrfwdfmt * constr) PRINTED BY { pr_ssrbinde GRAMMAR EXTEND Gram GLOBAL: ssrbinder; ssrbinder: [ - [ ["of" -> { () } | "&" -> { () } ]; c = operconstr LEVEL "99" -> { + [ ["of" -> { () } | "&" -> { () } ]; c = term LEVEL "99" -> { (FwdPose, [BFvar]), CAst.make ~loc @@ CLambdaN ([CLocalAssum ([CAst.make ~loc Anonymous],Default Glob_term.Explicit,c)],mkCHole (Some loc)) } ] ]; @@ -1594,18 +1594,18 @@ GRAMMAR EXTEND Gram | n = Prim.natural -> { ArgArg (check_index ~loc n) } ] ]; ssrswap: [[ IDENT "first" -> { loc, true } | IDENT "last" -> { loc, false } ]]; - ssrorelse: [[ "||"; tac = tactic_expr LEVEL "2" -> { tac } ]]; + ssrorelse: [[ "||"; tac = ltac_expr LEVEL "2" -> { tac } ]]; ssrseqarg: [ [ arg = ssrswap -> { noindex, swaptacarg arg } | i = ssrseqidx; tac = ssrortacarg; def = OPT ssrorelse -> { i, (tac, def) } | i = ssrseqidx; arg = ssrswap -> { i, swaptacarg arg } - | tac = tactic_expr LEVEL "3" -> { noindex, (mk_hint tac, None) } + | tac = ltac_expr LEVEL "3" -> { noindex, (mk_hint tac, None) } ] ]; END { -let tactic_expr = Pltac.tactic_expr +let ltac_expr = Pltac.ltac_expr } @@ -1688,9 +1688,9 @@ let tclintros_expr ?loc tac ipats = } GRAMMAR EXTEND Gram - GLOBAL: tactic_expr; - tactic_expr: LEVEL "1" [ RIGHTA - [ tac = tactic_expr; intros = ssrintros_ne -> { tclintros_expr ~loc tac intros } + GLOBAL: ltac_expr; + ltac_expr: LEVEL "1" [ RIGHTA + [ tac = ltac_expr; intros = ssrintros_ne -> { tclintros_expr ~loc tac intros } ] ]; END @@ -1704,9 +1704,9 @@ END (* (Removing user-specified parentheses is dubious anyway). *) GRAMMAR EXTEND Gram - GLOBAL: tactic_expr; - ssrparentacarg: [[ "("; tac = tactic_expr; ")" -> { CAst.make ~loc (Tacexp tac) } ]]; - tactic_expr: LEVEL "0" [[ arg = ssrparentacarg -> { TacArg arg } ]]; + GLOBAL: ltac_expr; + ssrparentacarg: [[ "("; tac = ltac_expr; ")" -> { CAst.make ~loc (Tacexp tac) } ]]; + ltac_expr: LEVEL "0" [[ arg = ssrparentacarg -> { TacArg arg } ]]; END (** The internal "done" and "ssrautoprop" tactics. *) @@ -1741,7 +1741,7 @@ let tclBY tac = Tacticals.New.tclTHEN tac (donetac ~-1) (* The latter two are used in forward-chaining tactics (have, suffice, wlog) *) (* and subgoal reordering tacticals (; first & ; last), respectively. *) -(* Force use of the tactic_expr parsing entry, to rule out tick marks. *) +(* Force use of the ltac_expr parsing entry, to rule out tick marks. *) (** The "by" tactical. *) @@ -1782,12 +1782,12 @@ let ssrdotac_expr ?loc n m tac clauses = } GRAMMAR EXTEND Gram - GLOBAL: tactic_expr; + GLOBAL: ltac_expr; ssrdotac: [ - [ tac = tactic_expr LEVEL "3" -> { mk_hint tac } + [ tac = ltac_expr LEVEL "3" -> { mk_hint tac } | tacs = ssrortacarg -> { tacs } ] ]; - tactic_expr: LEVEL "3" [ RIGHTA + ltac_expr: LEVEL "3" [ RIGHTA [ IDENT "do"; m = ssrmmod; tac = ssrdotac; clauses = ssrclauses -> { ssrdotac_expr ~loc noindex m tac clauses } | IDENT "do"; tac = ssrortacarg; clauses = ssrclauses -> @@ -1833,20 +1833,20 @@ let tclseq_expr ?loc tac dir arg = } GRAMMAR EXTEND Gram - GLOBAL: tactic_expr; + GLOBAL: ltac_expr; ssr_first: [ [ tac = ssr_first; ipats = ssrintros_ne -> { tclintros_expr ~loc tac ipats } - | "["; tacl = LIST0 tactic_expr SEP "|"; "]" -> { TacFirst tacl } + | "["; tacl = LIST0 ltac_expr SEP "|"; "]" -> { TacFirst tacl } ] ]; ssr_first_else: [ [ tac1 = ssr_first; tac2 = ssrorelse -> { TacOrelse (tac1, tac2) } | tac = ssr_first -> { tac } ]]; - tactic_expr: LEVEL "4" [ LEFTA - [ tac1 = tactic_expr; ";"; IDENT "first"; tac2 = ssr_first_else -> + ltac_expr: LEVEL "4" [ LEFTA + [ tac1 = ltac_expr; ";"; IDENT "first"; tac2 = ssr_first_else -> { TacThen (tac1, tac2) } - | tac = tactic_expr; ";"; IDENT "first"; arg = ssrseqarg -> + | tac = ltac_expr; ";"; IDENT "first"; arg = ssrseqarg -> { tclseq_expr ~loc tac L2R arg } - | tac = tactic_expr; ";"; IDENT "last"; arg = ssrseqarg -> + | tac = ltac_expr; ";"; IDENT "last"; arg = ssrseqarg -> { tclseq_expr ~loc tac R2L arg } ] ]; END @@ -1894,7 +1894,8 @@ let has_occ ((_, occ), _) = occ <> None let gens_sep = function [], [] -> mt | _ -> spc let pr_dgens pr_gen (gensl, clr) = - let prgens s gens = str s ++ pr_list spc pr_gen gens in + let prgens s gens = + if CList.is_empty gens then mt () else str s ++ pr_list spc pr_gen gens in let prdeps deps = prgens ": " deps ++ spc () ++ str "/" in match gensl with | [deps; []] -> prdeps deps ++ pr_clear pr_spc clr @@ -2194,7 +2195,7 @@ END let pr_ssrcongrarg _ _ _ ((n, f), dgens) = (if n <= 0 then mt () else str " " ++ int n) ++ - str " " ++ pr_term f ++ pr_dgens pr_gen dgens + pr_term f ++ pr_dgens pr_gen dgens } @@ -2447,8 +2448,8 @@ END (* The standard TACTIC EXTEND does not work for abstract *) GRAMMAR EXTEND Gram - GLOBAL: tactic_expr; - tactic_expr: LEVEL "3" + GLOBAL: ltac_expr; + ltac_expr: LEVEL "3" [ RIGHTA [ IDENT "abstract"; gens = ssrdgens -> { ssrtac_expr ~loc "abstract" [Tacexpr.TacGeneric (None, Genarg.in_gen (Genarg.rawwit wit_ssrdgens) gens)] } ]]; |
