author | wenzelm |
Sat, 29 Jan 2000 14:22:16 +0100 | |
changeset 8170 | 4b9451fae406 |
parent 8168 | 9d2ac5439089 |
child 8228 | 8283e416b680 |
permissions | -rw-r--r-- |
1243 | 1 |
(* Title: Provers/simplifier.ML |
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ID: $Id$ |
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Author: Tobias Nipkow and Markus Wenzel, TU Muenchen |
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|
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Generic simplifier, suitable for most logics. See Pure/thm.ML for the |
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actual meta-level rewriting engine. |
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*) |
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|
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infix 4 |
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setsubgoaler setloop addloop delloop setSSolver addSSolver setSolver |
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addSolver addsimps delsimps addeqcongs deleqcongs |
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setmksimps setmkeqTrue setmksym settermless addsimprocs delsimprocs; |
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signature BASIC_SIMPLIFIER = |
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sig |
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type simproc |
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val mk_simproc: string -> cterm list |
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-> (Sign.sg -> thm list -> term -> thm option) -> simproc |
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type solver |
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val mk_solver: string -> (thm list -> int -> tactic) -> solver |
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type simpset |
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val empty_ss: simpset |
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val rep_ss: simpset -> |
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{mss: meta_simpset, |
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subgoal_tac: simpset -> int -> tactic, |
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loop_tacs: (string * (int -> tactic))list, |
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unsafe_solvers: solver list, |
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solvers: solver list}; |
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val print_ss: simpset -> unit |
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val print_simpset: theory -> unit |
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val setsubgoaler: simpset * (simpset -> int -> tactic) -> simpset |
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val setloop: simpset * (int -> tactic) -> simpset |
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val addloop: simpset * (string * (int -> tactic)) -> simpset |
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val delloop: simpset * string -> simpset |
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val setSSolver: simpset * solver -> simpset |
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val addSSolver: simpset * solver -> simpset |
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val setSolver: simpset * solver -> simpset |
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val addSolver: simpset * solver -> simpset |
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val setmksimps: simpset * (thm -> thm list) -> simpset |
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val setmkeqTrue: simpset * (thm -> thm option) -> simpset |
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val setmksym: simpset * (thm -> thm option) -> simpset |
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val settermless: simpset * (term * term -> bool) -> simpset |
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val addsimps: simpset * thm list -> simpset |
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val delsimps: simpset * thm list -> simpset |
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val addeqcongs: simpset * thm list -> simpset |
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val deleqcongs: simpset * thm list -> simpset |
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val addsimprocs: simpset * simproc list -> simpset |
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val delsimprocs: simpset * simproc list -> simpset |
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val merge_ss: simpset * simpset -> simpset |
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val prems_of_ss: simpset -> thm list |
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val simpset_ref_of_sg: Sign.sg -> simpset ref |
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val simpset_ref_of: theory -> simpset ref |
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val simpset_of_sg: Sign.sg -> simpset |
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val simpset_of: theory -> simpset |
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val SIMPSET: (simpset -> tactic) -> tactic |
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val SIMPSET': (simpset -> 'a -> tactic) -> 'a -> tactic |
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val simpset: unit -> simpset |
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val simpset_ref: unit -> simpset ref |
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val Addsimps: thm list -> unit |
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val Delsimps: thm list -> unit |
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val Addsimprocs: simproc list -> unit |
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val Delsimprocs: simproc list -> unit |
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val simp_tac: simpset -> int -> tactic |
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val asm_simp_tac: simpset -> int -> tactic |
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val full_simp_tac: simpset -> int -> tactic |
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val asm_lr_simp_tac: simpset -> int -> tactic |
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val asm_full_simp_tac: simpset -> int -> tactic |
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val safe_asm_full_simp_tac: simpset -> int -> tactic |
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val Simp_tac: int -> tactic |
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val Asm_simp_tac: int -> tactic |
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val Full_simp_tac: int -> tactic |
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val Asm_lr_simp_tac: int -> tactic |
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val Asm_full_simp_tac: int -> tactic |
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val simplify: simpset -> thm -> thm |
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val asm_simplify: simpset -> thm -> thm |
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val full_simplify: simpset -> thm -> thm |
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val asm_full_simplify: simpset -> thm -> thm |
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end; |
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||
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signature SIMPLIFIER = |
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sig |
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include BASIC_SIMPLIFIER |
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val rewrite: simpset -> cterm -> thm |
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val asm_rewrite: simpset -> cterm -> thm |
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val full_rewrite: simpset -> cterm -> thm |
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val asm_full_rewrite: simpset -> cterm -> thm |
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val print_local_simpset: Proof.context -> unit |
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val get_local_simpset: Proof.context -> simpset |
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val put_local_simpset: simpset -> Proof.context -> Proof.context |
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val simp_add_global: theory attribute |
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val simp_del_global: theory attribute |
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val simp_add_local: Proof.context attribute |
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val simp_del_local: Proof.context attribute |
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val change_simpset_of: (simpset * 'a -> simpset) -> 'a -> theory -> theory |
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val simp_modifiers: (Args.T list -> (Method.modifier * Args.T list)) list |
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val setup: (theory -> theory) list |
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end; |
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structure Simplifier: SIMPLIFIER = |
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struct |
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||
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(** simplification procedures **) |
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||
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(* datatype simproc *) |
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datatype simproc = |
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Simproc of string * cterm list * (Sign.sg -> thm list -> term -> thm option) * stamp; |
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fun mk_simproc name lhss proc = |
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Simproc (name, map (Thm.cterm_fun Logic.varify) lhss, proc, stamp ()); |
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fun rep_simproc (Simproc args) = args; |
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(** solvers **) |
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datatype solver = Solver of string * (thm list -> int -> tactic) * stamp; |
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fun mk_solver name solver = Solver(name, solver, stamp()); |
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fun eq_solver (Solver(_,_,s1),Solver(_,_,s2)) = s1=s2; |
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val merge_solvers = generic_merge eq_solver I I; |
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fun app_sols [] _ _ = no_tac |
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| app_sols (Solver(_,solver,_)::sols) thms i = |
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solver thms i ORELSE app_sols sols thms i; |
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(** simplification sets **) |
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(* type simpset *) |
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datatype simpset = |
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Simpset of { |
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mss: meta_simpset, |
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subgoal_tac: simpset -> int -> tactic, |
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loop_tacs: (string * (int -> tactic))list, |
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unsafe_solvers: solver list, |
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solvers: solver list}; |
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fun make_ss (mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers) = |
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Simpset {mss = mss, subgoal_tac = subgoal_tac, loop_tacs = loop_tacs, |
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unsafe_solvers = unsafe_solvers, solvers = solvers}; |
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val empty_ss = |
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let val mss = Thm.set_mk_sym (Thm.empty_mss, Some o symmetric_fun) |
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in make_ss (mss, K (K no_tac), [], [], []) end; |
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fun rep_ss (Simpset args) = args; |
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fun prems_of_ss (Simpset {mss, ...}) = Thm.prems_of_mss mss; |
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(* print simpsets *) |
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fun print_ss ss = |
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let |
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val Simpset {mss, ...} = ss; |
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val {simps, procs, congs} = Thm.dest_mss mss; |
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val pretty_thms = map Display.pretty_thm; |
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fun pretty_proc (name, lhss) = |
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Pretty.big_list (name ^ ":") (map Display.pretty_cterm lhss); |
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in |
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Pretty.writeln (Pretty.big_list "simplification rules:" (pretty_thms simps)); |
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Pretty.writeln (Pretty.big_list "simplification procedures:" (map pretty_proc procs)); |
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Pretty.writeln (Pretty.big_list "congruences:" (pretty_thms congs)) |
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end; |
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||
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(* extend simpsets *) |
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||
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fun (Simpset {mss, subgoal_tac = _, loop_tacs, unsafe_solvers, solvers}) |
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setsubgoaler subgoal_tac = |
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make_ss (mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers); |
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fun (Simpset {mss, subgoal_tac, loop_tacs = _, unsafe_solvers, solvers}) |
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setloop tac = |
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make_ss (mss, subgoal_tac, [("",tac)], unsafe_solvers, solvers); |
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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addloop tac = make_ss (mss, subgoal_tac, |
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(case assoc_string (loop_tacs,(fst tac)) of None => () | Some x => |
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warning ("overwriting looper "^fst tac); overwrite(loop_tacs,tac)), |
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unsafe_solvers, solvers); |
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fun (ss as Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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delloop name = |
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let val (del, rest) = partition (fn (n, _) => n = name) loop_tacs in |
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if null del then (warning ("No such looper in simpset: " ^ name); ss) |
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else make_ss (mss, subgoal_tac, rest, unsafe_solvers, solvers) |
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end; |
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||
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, ...}) |
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setSSolver solver = |
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make_ss (mss, subgoal_tac, loop_tacs, unsafe_solvers, [solver]); |
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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addSSolver sol = |
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make_ss (mss, subgoal_tac, loop_tacs, unsafe_solvers, |
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merge_solvers solvers [sol]); |
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers = _, solvers}) |
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setSolver unsafe_solver = |
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make_ss (mss, subgoal_tac, loop_tacs, [unsafe_solver], solvers); |
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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addSolver sol = |
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make_ss (mss, subgoal_tac, loop_tacs, |
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merge_solvers unsafe_solvers [sol], solvers); |
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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setmksimps mk_simps = |
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make_ss (Thm.set_mk_rews (mss, mk_simps), subgoal_tac, loop_tacs, unsafe_solvers, solvers); |
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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setmkeqTrue mk_eq_True = |
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make_ss (Thm.set_mk_eq_True (mss, mk_eq_True), |
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subgoal_tac, loop_tacs, unsafe_solvers, solvers); |
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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setmksym mksym = |
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make_ss (Thm.set_mk_sym (mss, mksym), |
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subgoal_tac, loop_tacs, unsafe_solvers, solvers); |
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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settermless termless = |
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make_ss (Thm.set_termless (mss, termless), subgoal_tac, loop_tacs, |
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unsafe_solvers, solvers); |
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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addsimps rews = |
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make_ss (Thm.add_simps (mss, rews), subgoal_tac, loop_tacs, |
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unsafe_solvers, solvers); |
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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delsimps rews = |
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make_ss (Thm.del_simps (mss, rews), subgoal_tac, loop_tacs, |
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unsafe_solvers, solvers); |
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|
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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addeqcongs newcongs = |
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make_ss (Thm.add_congs (mss, newcongs), subgoal_tac, loop_tacs, |
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unsafe_solvers, solvers); |
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|
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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deleqcongs oldcongs = |
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make_ss (Thm.del_congs (mss, oldcongs), subgoal_tac, loop_tacs, |
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unsafe_solvers, solvers); |
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|
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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addsimprocs simprocs = |
252 |
make_ss |
|
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(Thm.add_simprocs (mss, map rep_simproc simprocs), |
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subgoal_tac, loop_tacs, unsafe_solvers, solvers); |
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|
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fun (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) |
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delsimprocs simprocs = |
258 |
make_ss |
|
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(Thm.del_simprocs (mss, map rep_simproc simprocs), |
|
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subgoal_tac, loop_tacs, unsafe_solvers, solvers); |
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|
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fun clear_ss (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers}) = |
263 |
make_ss (Thm.clear_mss mss, subgoal_tac, loop_tacs, unsafe_solvers, solvers); |
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|
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(* merge simpsets *) |
267 |
(*NOTE: ignores subgoal_tac of 2nd simpset *) |
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|
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fun merge_ss |
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(Simpset {mss = mss1, loop_tacs = loop_tacs1, subgoal_tac, |
271 |
unsafe_solvers = unsafe_solvers1, solvers = solvers1}, |
|
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Simpset {mss = mss2, loop_tacs = loop_tacs2, |
|
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unsafe_solvers = unsafe_solvers2, solvers = solvers2, ...}) = |
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274 |
make_ss (Thm.merge_mss (mss1, mss2), subgoal_tac, |
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merge_alists loop_tacs1 loop_tacs2, |
276 |
merge_solvers unsafe_solvers1 unsafe_solvers2, |
|
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merge_solvers solvers1 solvers2); |
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(** global and local simpset data **) |
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|
5842 | 282 |
(* theory data kind 'Provers/simpset' *) |
4795 | 283 |
|
5842 | 284 |
structure GlobalSimpsetArgs = |
5024 | 285 |
struct |
5842 | 286 |
val name = "Provers/simpset"; |
5024 | 287 |
type T = simpset ref; |
0 | 288 |
|
5024 | 289 |
val empty = ref empty_ss; |
6556 | 290 |
fun copy (ref ss) = (ref ss): T; (*create new reference!*) |
291 |
val prep_ext = copy; |
|
5024 | 292 |
fun merge (ref ss1, ref ss2) = ref (merge_ss (ss1, ss2)); |
293 |
fun print _ (ref ss) = print_ss ss; |
|
294 |
end; |
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|
5842 | 296 |
structure GlobalSimpset = TheoryDataFun(GlobalSimpsetArgs); |
297 |
val print_simpset = GlobalSimpset.print; |
|
298 |
val simpset_ref_of_sg = GlobalSimpset.get_sg; |
|
299 |
val simpset_ref_of = GlobalSimpset.get; |
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|
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301 |
|
4795 | 302 |
(* access global simpset *) |
0 | 303 |
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val simpset_of_sg = ! o simpset_ref_of_sg; |
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val simpset_of = simpset_of_sg o Theory.sign_of; |
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306 |
|
6391 | 307 |
fun SIMPSET tacf state = tacf (simpset_of_sg (Thm.sign_of_thm state)) state; |
308 |
fun SIMPSET' tacf i state = tacf (simpset_of_sg (Thm.sign_of_thm state)) i state; |
|
0 | 309 |
|
5028 | 310 |
val simpset = simpset_of o Context.the_context; |
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val simpset_ref = simpset_ref_of_sg o Theory.sign_of o Context.the_context; |
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|
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|
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(* change global simpset *) |
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315 |
|
7177 | 316 |
fun change_simpset_of f x thy = |
317 |
let val r = simpset_ref_of thy |
|
318 |
in r := f (! r, x); thy end; |
|
319 |
||
320 |
fun change_simpset f x = (change_simpset_of f x (Context.the_context ()); ()); |
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val Addsimps = change_simpset (op addsimps); |
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val Delsimps = change_simpset (op delsimps); |
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val Addsimprocs = change_simpset (op addsimprocs); |
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val Delsimprocs = change_simpset (op delsimprocs); |
2509 | 326 |
|
0 | 327 |
|
5842 | 328 |
(* proof data kind 'Provers/simpset' *) |
4795 | 329 |
|
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structure LocalSimpsetArgs = |
331 |
struct |
|
332 |
val name = "Provers/simpset"; |
|
333 |
type T = simpset; |
|
334 |
val init = simpset_of; |
|
335 |
fun print _ ss = print_ss ss; |
|
336 |
end; |
|
4795 | 337 |
|
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structure LocalSimpset = ProofDataFun(LocalSimpsetArgs); |
339 |
val print_local_simpset = LocalSimpset.print; |
|
340 |
val get_local_simpset = LocalSimpset.get; |
|
341 |
val put_local_simpset = LocalSimpset.put; |
|
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fun map_local_simpset f ctxt = put_local_simpset (f (get_local_simpset ctxt)) ctxt; |
4795 | 343 |
|
344 |
||
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(* attributes *) |
346 |
||
347 |
fun change_global_ss f (thy, th) = |
|
348 |
let val r = simpset_ref_of thy |
|
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in r := f (! r, [th]); (thy, th) end; |
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|
351 |
fun change_local_ss f (ctxt, th) = |
|
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let val ss = f (get_local_simpset ctxt, [th]) |
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in (put_local_simpset ss ctxt, th) end; |
354 |
||
355 |
val simp_add_global = change_global_ss (op addsimps); |
|
356 |
val simp_del_global = change_global_ss (op delsimps); |
|
357 |
val simp_add_local = change_local_ss (op addsimps); |
|
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val simp_del_local = change_local_ss (op delsimps); |
|
359 |
||
360 |
||
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|
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(** simplification tactics **) |
0 | 363 |
|
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fun solve_all_tac (subgoal_tac, loop_tacs, unsafe_solvers) mss = |
3557 | 365 |
let |
366 |
val ss = |
|
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make_ss (mss, subgoal_tac, loop_tacs,unsafe_solvers,unsafe_solvers); |
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val solve1_tac = (subgoal_tac ss THEN_ALL_NEW (K no_tac)) 1 |
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in DEPTH_SOLVE solve1_tac end; |
370 |
||
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fun loop_tac loop_tacs = FIRST'(map snd loop_tacs); |
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(*unsafe: may instantiate unknowns that appear also in other subgoals*) |
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fun basic_gen_simp_tac mode solvers = |
375 |
fn (Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, ...}) => |
|
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let |
4612 | 377 |
fun simp_loop_tac i = |
378 |
asm_rewrite_goal_tac mode |
|
7568 | 379 |
(solve_all_tac (subgoal_tac,loop_tacs,unsafe_solvers)) |
4612 | 380 |
mss i |
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THEN (solvers (prems_of_mss mss) i ORELSE |
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TRY ((loop_tac loop_tacs THEN_ALL_NEW simp_loop_tac) i)) |
4612 | 383 |
in simp_loop_tac end; |
0 | 384 |
|
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fun gen_simp_tac mode |
7568 | 386 |
(ss as Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, ...}) = |
387 |
basic_gen_simp_tac mode (app_sols unsafe_solvers) ss; |
|
3551 | 388 |
|
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val simp_tac = gen_simp_tac (false, false, false); |
390 |
val asm_simp_tac = gen_simp_tac (false, true, false); |
|
391 |
val full_simp_tac = gen_simp_tac (true, false, false); |
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val asm_lr_simp_tac = gen_simp_tac (true, true, false); |
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393 |
val asm_full_simp_tac = gen_simp_tac (true, true, true); |
0 | 394 |
|
2629 | 395 |
(*not totally safe: may instantiate unknowns that appear also in other subgoals*) |
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396 |
fun safe_asm_full_simp_tac (ss as Simpset {mss, subgoal_tac, loop_tacs, |
7568 | 397 |
unsafe_solvers, solvers}) = |
398 |
basic_gen_simp_tac (true, true, true) (app_sols solvers) ss; |
|
2629 | 399 |
|
4795 | 400 |
(*the abstraction over the proof state delays the dereferencing*) |
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parents:
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changeset
|
401 |
fun Simp_tac i st = simp_tac (simpset ()) i st; |
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402 |
fun Asm_simp_tac i st = asm_simp_tac (simpset ()) i st; |
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fun Full_simp_tac i st = full_simp_tac (simpset ()) i st; |
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changeset
|
404 |
fun Asm_lr_simp_tac i st = asm_lr_simp_tac (simpset ()) i st; |
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changeset
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405 |
fun Asm_full_simp_tac i st = asm_full_simp_tac (simpset ()) i st; |
406 | 406 |
|
3557 | 407 |
|
4795 | 408 |
|
5082 | 409 |
(** simplification rules and conversions **) |
3557 | 410 |
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|
411 |
fun simp rew mode |
7568 | 412 |
(Simpset {mss, subgoal_tac, loop_tacs, unsafe_solvers, ...}) thm = |
3557 | 413 |
let |
7568 | 414 |
val tacf = solve_all_tac (subgoal_tac, loop_tacs, unsafe_solvers); |
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415 |
fun prover m th = apsome fst (Seq.pull (tacf m th)); |
5082 | 416 |
in rew mode prover mss thm end; |
417 |
||
418 |
val simp_thm = simp Drule.rewrite_thm; |
|
419 |
val simp_cterm = simp Drule.rewrite_cterm; |
|
3557 | 420 |
|
5082 | 421 |
val simplify = simp_thm (false, false, false); |
422 |
val asm_simplify = simp_thm (false, true, false); |
|
423 |
val full_simplify = simp_thm (true, false, false); |
|
424 |
val asm_full_simplify = simp_thm (true, true, false); |
|
425 |
||
426 |
val rewrite = simp_cterm (false, false, false); |
|
427 |
val asm_rewrite = simp_cterm (false, true, false); |
|
428 |
val full_rewrite = simp_cterm (true, false, false); |
|
429 |
val asm_full_rewrite = simp_cterm (true, true, false); |
|
3557 | 430 |
|
431 |
||
4795 | 432 |
|
5886 | 433 |
(** concrete syntax of attributes **) |
5842 | 434 |
|
5886 | 435 |
(* add / del *) |
5842 | 436 |
|
5928 | 437 |
val simpN = "simp"; |
438 |
val addN = "add"; |
|
439 |
val delN = "del"; |
|
6911 | 440 |
val onlyN = "only"; |
5928 | 441 |
val otherN = "other"; |
5842 | 442 |
|
5886 | 443 |
fun simp_att change = |
5928 | 444 |
(Args.$$$ addN >> K (op addsimps) || |
445 |
Args.$$$ delN >> K (op delsimps) || |
|
5886 | 446 |
Scan.succeed (op addsimps)) |
447 |
>> change |
|
448 |
|> Scan.lift |
|
449 |
|> Attrib.syntax; |
|
5842 | 450 |
|
5886 | 451 |
val simp_attr = (simp_att change_global_ss, simp_att change_local_ss); |
5842 | 452 |
|
453 |
||
454 |
(* conversions *) |
|
455 |
||
456 |
fun conv_attr f = |
|
6096 | 457 |
(Attrib.no_args (Drule.rule_attribute (f o simpset_of)), |
458 |
Attrib.no_args (Drule.rule_attribute (f o get_local_simpset))); |
|
5842 | 459 |
|
460 |
||
461 |
(* setup_attrs *) |
|
462 |
||
463 |
val setup_attrs = Attrib.add_attributes |
|
5928 | 464 |
[(simpN, simp_attr, "simplification rule"), |
5842 | 465 |
("simplify", conv_attr simplify, "simplify rule"), |
466 |
("asm_simplify", conv_attr asm_simplify, "simplify rule, using assumptions"), |
|
467 |
("full_simplify", conv_attr full_simplify, "fully simplify rule"), |
|
468 |
("asm_full_simplify", conv_attr asm_full_simplify, "fully simplify rule, using assumptions")]; |
|
469 |
||
470 |
||
471 |
||
472 |
(** proof methods **) |
|
473 |
||
474 |
(* simplification *) |
|
475 |
||
5928 | 476 |
val simp_modifiers = |
7273 | 477 |
[Args.$$$ simpN -- Args.$$$ addN >> K (I, simp_add_local), |
478 |
Args.$$$ simpN -- Args.$$$ delN >> K (I, simp_del_local), |
|
479 |
Args.$$$ simpN -- Args.$$$ onlyN >> K (map_local_simpset clear_ss, simp_add_local), |
|
480 |
Args.$$$ otherN >> K (I, I)]; |
|
5928 | 481 |
|
482 |
val simp_modifiers' = |
|
7273 | 483 |
[Args.$$$ addN >> K (I, simp_add_local), |
484 |
Args.$$$ delN >> K (I, simp_del_local), |
|
485 |
Args.$$$ onlyN >> K (map_local_simpset clear_ss, simp_add_local), |
|
486 |
Args.$$$ otherN >> K (I, I)]; |
|
5928 | 487 |
|
7558 | 488 |
fun simp_method tac = |
489 |
(fn prems => fn ctxt => Method.METHOD (fn facts => |
|
8170 | 490 |
ALLGOALS (Method.insert_tac (prems @ facts)) THEN tac (get_local_simpset ctxt))) |
491 |
|> Method.bang_sectioned_args simp_modifiers'; |
|
492 |
||
493 |
fun simp_method' tac = |
|
494 |
(fn prems => fn ctxt => Method.METHOD (fn facts => |
|
8168 | 495 |
HEADGOAL (Method.insert_tac (prems @ facts) THEN' tac (get_local_simpset ctxt)))) |
7558 | 496 |
|> Method.bang_sectioned_args simp_modifiers'; |
7568 | 497 |
|
5842 | 498 |
|
499 |
(* setup_methods *) |
|
500 |
||
501 |
val setup_methods = Method.add_methods |
|
8170 | 502 |
[(simpN, simp_method' (CHANGED oo asm_full_simp_tac), "full simplification"), |
503 |
("simp_all", simp_method (CHANGED o ALLGOALS o asm_full_simp_tac), |
|
504 |
"full simplification (all goals)"), |
|
505 |
("simp_tac", simp_method' simp_tac, "simp_tac (improper!)"), |
|
506 |
("asm_simp_tac", simp_method' asm_simp_tac, "asm_simp_tac (improper!)"), |
|
507 |
("full_simp_tac", simp_method' full_simp_tac, "full_simp_tac (improper!)"), |
|
508 |
("asm_full_simp_tac", simp_method' asm_full_simp_tac, "asm_full_simp_tac (improper!)"), |
|
509 |
("asm_lr_simp_tac", simp_method' asm_lr_simp_tac, "asm_lr_simp_tac (improper!)")]; |
|
5842 | 510 |
|
511 |
||
512 |
||
4795 | 513 |
(** theory setup **) |
514 |
||
5842 | 515 |
val setup = [GlobalSimpset.init, LocalSimpset.init, setup_attrs, setup_methods]; |
4795 | 516 |
|
517 |
||
1243 | 518 |
end; |
4795 | 519 |
|
520 |
||
521 |
structure BasicSimplifier: BASIC_SIMPLIFIER = Simplifier; |
|
522 |
open BasicSimplifier; |