# HG changeset patch
# User blanchet
# Date 1379614988 -7200
# Node ID 30f4b24b3e8aeeea414257db7307f49e53bf5b49
# Parent  c9068aade8597e24ea7733e8c01da4c52610184d
made tactic more reliable

diff -r c9068aade859 -r 30f4b24b3e8a src/HOL/BNF/Tools/bnf_fp_rec_sugar_tactics.ML
--- a/src/HOL/BNF/Tools/bnf_fp_rec_sugar_tactics.ML	Thu Sep 19 20:03:42 2013 +0200
+++ b/src/HOL/BNF/Tools/bnf_fp_rec_sugar_tactics.ML	Thu Sep 19 20:23:08 2013 +0200
@@ -9,7 +9,7 @@
 sig
   val mk_primcorec_assumption_tac: Proof.context -> tactic
   val mk_primcorec_code_tac: Proof.context -> thm -> thm list -> tactic
-  val mk_primcorec_code_of_ctr_tac: Proof.context -> thm list -> tactic
+  val mk_primcorec_code_of_ctr_tac: Proof.context -> int list -> thm list -> tactic
   val mk_primcorec_ctr_of_dtr_tac: Proof.context -> int -> thm -> thm option -> thm list -> tactic
   val mk_primcorec_ctr_or_sel_tac: Proof.context -> thm list -> thm -> int -> int ->
     thm list list list -> thm list -> thm list -> thm list -> tactic
@@ -74,14 +74,14 @@
 fun mk_primcorec_sel_of_ctr_tac sel f_ctr =
   HEADGOAL (etac (f_ctr RS arg_cong RS trans) THEN' rtac sel);
 
-fun mk_primcorec_code_of_ctr_case_tac ctxt f_ctr =
+fun mk_primcorec_code_of_ctr_case_tac ctxt m f_ctr =
   HEADGOAL (REPEAT o rtac @{thm eq_ifI}) THEN
   mk_primcorec_prelude ctxt [] (f_ctr RS trans) THEN
-  REPEAT_DETERM (mk_primcorec_assumption_tac ctxt) THEN
+  REPEAT_DETERM_N m (mk_primcorec_assumption_tac ctxt) THEN
   HEADGOAL (asm_simp_tac (ss_only @{thms if_True if_False not_False_eq_True} ctxt));
 
-fun mk_primcorec_code_of_ctr_tac ctxt ctr_thms =
-  EVERY (map (mk_primcorec_code_of_ctr_case_tac ctxt) ctr_thms);
+fun mk_primcorec_code_of_ctr_tac ctxt ms ctr_thms =
+  EVERY (map2 (mk_primcorec_code_of_ctr_case_tac ctxt) ms ctr_thms);
 
 fun mk_primcorec_code_tac ctxt raw collapses =
   HEADGOAL (rtac (raw RS trans)) THEN unfold_thms_tac ctxt @{thms split_ifs} THEN