src/HOL/Library/Reflection.thy
author wenzelm
Thu, 04 Apr 2013 18:20:00 +0200
changeset 51618 a3577cd80c41
parent 51542 738598beeb26
child 51723 da12e44b2d65
permissions -rw-r--r--
tuned signature -- avoid intrusion of slightly odd Swing structures into pure Markup_Tree;

(*  Title:      HOL/Library/Reflection.thy
    Author:     Amine Chaieb, TU Muenchen
*)

header {* Generic reflection and reification *}

theory Reflection
imports Main
begin

ML_file "reify_data.ML"
ML_file "reflection.ML"

setup {* Reify_Data.setup *}

method_setup reify = {*
  Attrib.thms --
    Scan.option (Scan.lift (Args.$$$ "(") |-- Args.term --| Scan.lift (Args.$$$ ")")) >>
  (fn (eqs, to) => fn ctxt => SIMPLE_METHOD' (Reflection.genreify_tac ctxt (eqs @ fst (Reify_Data.get ctxt)) to))
*} "partial automatic reification"

method_setup reflection = {*
let
  fun keyword k = Scan.lift (Args.$$$ k -- Args.colon) >> K ();
  val onlyN = "only";
  val rulesN = "rules";
  val any_keyword = keyword onlyN || keyword rulesN;
  val thms = Scan.repeat (Scan.unless any_keyword Attrib.multi_thm) >> flat;
  val terms = thms >> map (term_of o Drule.dest_term);
in
  thms --
  Scan.optional (keyword rulesN |-- thms) [] --
  Scan.option (keyword onlyN |-- Args.term) >>
  (fn ((eqs, ths), to) => fn ctxt =>
    let
      val (ceqs, cths) = Reify_Data.get ctxt
      val corr_thms = ths @ cths
      val raw_eqs = eqs @ ceqs
    in SIMPLE_METHOD' (Reflection.reflection_tac ctxt corr_thms raw_eqs to) end)
end
*}

end