--- a/src/HOL/Tools/BNF/bnf_gfp_rec_sugar_tactics.ML Thu Jul 16 10:48:20 2015 +0200
+++ b/src/HOL/Tools/BNF/bnf_gfp_rec_sugar_tactics.ML Thu Jul 16 12:23:22 2015 +0200
@@ -65,9 +65,9 @@
cut_tac nchotomy THEN'
K (exhaust_inst_as_projs_tac ctxt frees) THEN'
EVERY' (map (fn k =>
- (if k < n then etac disjE else K all_tac) THEN'
- REPEAT o (dtac meta_mp THEN' atac ORELSE'
- etac conjE THEN' dtac meta_mp THEN' atac ORELSE'
+ (if k < n then etac ctxt disjE else K all_tac) THEN'
+ REPEAT o (dtac ctxt meta_mp THEN' atac ORELSE'
+ etac ctxt conjE THEN' dtac ctxt meta_mp THEN' atac ORELSE'
atac))
ks))
end;
@@ -75,26 +75,26 @@
fun mk_primcorec_assumption_tac ctxt discIs =
SELECT_GOAL (unfold_thms_tac ctxt @{thms fst_conv snd_conv not_not not_False_eq_True
not_True_eq_False de_Morgan_conj de_Morgan_disj} THEN
- SOLVE (HEADGOAL (REPEAT o (rtac refl ORELSE' atac ORELSE' etac conjE ORELSE'
+ SOLVE (HEADGOAL (REPEAT o (rtac ctxt refl ORELSE' atac ORELSE' etac ctxt conjE ORELSE'
eresolve_tac ctxt falseEs ORELSE'
resolve_tac ctxt @{thms TrueI conjI disjI1 disjI2} ORELSE'
dresolve_tac ctxt discIs THEN' atac ORELSE'
- etac notE THEN' atac ORELSE'
- etac disjE))));
+ etac ctxt notE THEN' atac ORELSE'
+ etac ctxt disjE))));
fun ss_fst_snd_conv ctxt = simpset_of (ss_only @{thms fst_conv snd_conv} ctxt);
fun case_atac ctxt = simp_tac (put_simpset (ss_fst_snd_conv ctxt) ctxt);
fun same_case_tac ctxt m =
- HEADGOAL (if m = 0 then rtac TrueI
- else REPEAT_DETERM_N (m - 1) o (rtac conjI THEN' case_atac ctxt) THEN' case_atac ctxt);
+ HEADGOAL (if m = 0 then rtac ctxt TrueI
+ else REPEAT_DETERM_N (m - 1) o (rtac ctxt conjI THEN' case_atac ctxt) THEN' case_atac ctxt);
fun different_case_tac ctxt m exclude =
HEADGOAL (if m = 0 then
mk_primcorec_assumption_tac ctxt []
else
- dtac exclude THEN' (REPEAT_DETERM_N (m - 1) o case_atac ctxt) THEN'
+ dtac ctxt exclude THEN' (REPEAT_DETERM_N (m - 1) o case_atac ctxt) THEN'
mk_primcorec_assumption_tac ctxt []);
fun cases_tac ctxt k m excludesss =
@@ -105,51 +105,51 @@
end;
fun prelude_tac ctxt defs thm =
- unfold_thms_tac ctxt defs THEN HEADGOAL (rtac thm) THEN unfold_thms_tac ctxt unfold_lets;
+ unfold_thms_tac ctxt defs THEN HEADGOAL (rtac ctxt thm) THEN unfold_thms_tac ctxt unfold_lets;
fun mk_primcorec_disc_tac ctxt defs corec_disc k m excludesss =
prelude_tac ctxt defs corec_disc THEN cases_tac ctxt k m excludesss;
fun mk_primcorec_disc_iff_tac ctxt fun_exhaust_frees fun_exhaust fun_discs fun_discss
distinct_discs =
- HEADGOAL (rtac iffI THEN'
- rtac fun_exhaust THEN'
+ HEADGOAL (rtac ctxt iffI THEN'
+ rtac ctxt fun_exhaust THEN'
K (exhaust_inst_as_projs_tac ctxt fun_exhaust_frees) THEN'
- EVERY' (map (fn [] => etac FalseE
+ EVERY' (map (fn [] => etac ctxt FalseE
| fun_discs' as [fun_disc'] =>
if eq_list Thm.eq_thm (fun_discs', fun_discs) then
- REPEAT_DETERM o etac conjI THEN' (atac ORELSE' rtac TrueI)
+ REPEAT_DETERM o etac ctxt conjI THEN' (atac ORELSE' rtac ctxt TrueI)
else
- rtac FalseE THEN'
- (rotate_tac 1 THEN' dtac fun_disc' THEN' REPEAT o atac ORELSE'
+ rtac ctxt FalseE THEN'
+ (rotate_tac 1 THEN' dtac ctxt fun_disc' THEN' REPEAT o atac ORELSE'
cut_tac fun_disc') THEN'
- dresolve_tac ctxt distinct_discs THEN' etac notE THEN' atac)
+ dresolve_tac ctxt distinct_discs THEN' etac ctxt notE THEN' atac)
fun_discss) THEN'
- (etac FalseE ORELSE'
+ (etac ctxt FalseE ORELSE'
resolve_tac ctxt (map (unfold_thms ctxt [atomize_conjL]) fun_discs) THEN_MAYBE' atac));
fun mk_primcorec_sel_tac ctxt defs distincts splits split_asms mapsx map_ident0s map_comps fun_sel k
m excludesss =
prelude_tac ctxt defs (fun_sel RS trans) THEN
cases_tac ctxt k m excludesss THEN
- HEADGOAL (REPEAT_DETERM o (rtac refl ORELSE'
+ HEADGOAL (REPEAT_DETERM o (rtac ctxt refl ORELSE'
eresolve_tac ctxt falseEs ORELSE'
resolve_tac ctxt split_connectI ORELSE'
Splitter.split_asm_tac ctxt (split_if_asm :: split_asms) ORELSE'
Splitter.split_tac ctxt (split_if :: splits) ORELSE'
eresolve_tac ctxt (map (fn thm => thm RS neq_eq_eq_contradict) distincts) THEN' atac ORELSE'
- etac notE THEN' atac ORELSE'
+ etac ctxt notE THEN' atac ORELSE'
(CHANGED o SELECT_GOAL (unfold_thms_tac ctxt (@{thms fst_conv snd_conv id_def comp_def split_def
sum.case sum.sel sum.distinct[THEN eq_False[THEN iffD2]]} @
mapsx @ map_ident0s @ map_comps))) ORELSE'
- fo_rtac @{thm cong} ctxt ORELSE'
- rtac @{thm ext} ORELSE'
+ fo_rtac ctxt @{thm cong} ORELSE'
+ rtac ctxt @{thm ext} ORELSE'
mk_primcorec_assumption_tac ctxt []));
fun mk_primcorec_ctr_tac ctxt m collapse disc_fun_opt sel_funs =
- HEADGOAL (rtac ((if null sel_funs then collapse else collapse RS sym) RS trans) THEN'
- (the_default (K all_tac) (Option.map rtac disc_fun_opt)) THEN' REPEAT_DETERM_N m o atac) THEN
- unfold_thms_tac ctxt (@{thm split_def} :: unfold_lets @ sel_funs) THEN HEADGOAL (rtac refl);
+ HEADGOAL (rtac ctxt ((if null sel_funs then collapse else collapse RS sym) RS trans) THEN'
+ (the_default (K all_tac) (Option.map (rtac ctxt) disc_fun_opt)) THEN' REPEAT_DETERM_N m o atac) THEN
+ unfold_thms_tac ctxt (@{thm split_def} :: unfold_lets @ sel_funs) THEN HEADGOAL (rtac ctxt refl);
fun inst_split_eq ctxt split =
(case Thm.prop_of split of
@@ -172,13 +172,13 @@
prelude_tac ctxt [] (fun_ctr RS trans) THEN
HEADGOAL ((REPEAT_DETERM_N m o mk_primcorec_assumption_tac ctxt discIs) THEN'
SELECT_GOAL (SOLVE (HEADGOAL (REPEAT_DETERM o
- (rtac refl ORELSE' atac ORELSE'
+ (rtac ctxt refl ORELSE' atac ORELSE'
resolve_tac ctxt (@{thm Code.abort_def} :: split_connectI) ORELSE'
Splitter.split_tac ctxt (split_if :: splits) ORELSE'
Splitter.split_asm_tac ctxt (split_if_asm :: split_asms) ORELSE'
mk_primcorec_assumption_tac ctxt discIs ORELSE'
distinct_in_prems_tac distincts ORELSE'
- (TRY o dresolve_tac ctxt discIs) THEN' etac notE THEN' atac)))))
+ (TRY o dresolve_tac ctxt discIs) THEN' etac ctxt notE THEN' atac)))))
end;
fun rulify_nchotomy n = funpow (n - 1) (fn thm => thm RS @{thm Meson.make_pos_rule'});
@@ -203,13 +203,13 @@
end;
fun mk_primcorec_code_tac ctxt distincts splits raw =
- HEADGOAL (rtac raw ORELSE' rtac (raw RS trans) THEN'
+ HEADGOAL (rtac ctxt raw ORELSE' rtac ctxt (raw RS trans) THEN'
SELECT_GOAL (unfold_thms_tac ctxt unfold_lets) THEN' REPEAT_DETERM o
- (rtac refl ORELSE' atac ORELSE'
+ (rtac ctxt refl ORELSE' atac ORELSE'
resolve_tac ctxt split_connectI ORELSE'
Splitter.split_tac ctxt (split_if :: splits) ORELSE'
distinct_in_prems_tac distincts ORELSE'
- rtac sym THEN' atac ORELSE'
- etac notE THEN' atac));
+ rtac ctxt sym THEN' atac ORELSE'
+ etac ctxt notE THEN' atac));
end;