wenzelm@18620: (*  Title:      Pure/Isar/specification.ML
wenzelm@18620:     ID:         $Id$
wenzelm@18620:     Author:     Makarius
wenzelm@18620: 
wenzelm@19664: Common local_theory specifications --- with type-inference and
wenzelm@18810: toplevel polymorphism.
wenzelm@18620: *)
wenzelm@18620: 
wenzelm@18620: signature SPECIFICATION =
wenzelm@18620: sig
wenzelm@20890:   val quiet_mode: bool ref
wenzelm@20890:   val print_consts: local_theory -> (string * typ -> bool) -> (string * typ) list -> unit
wenzelm@18771:   val read_specification: (string * string option * mixfix) list ->
wenzelm@18954:     ((string * Attrib.src list) * string list) list -> local_theory ->
wenzelm@18771:     (((string * typ) * mixfix) list * ((string * Attrib.src list) * term list) list) *
wenzelm@18954:     local_theory
wenzelm@18771:   val cert_specification: (string * typ option * mixfix) list ->
wenzelm@18954:     ((string * Attrib.src list) * term list) list -> local_theory ->
wenzelm@18771:     (((string * typ) * mixfix) list * ((string * Attrib.src list) * term list) list) *
wenzelm@18954:     local_theory
wenzelm@18954:   val axiomatization: (string * string option * mixfix) list ->
wenzelm@18954:     ((bstring * Attrib.src list) * string list) list -> local_theory ->
wenzelm@18954:     (term list * (bstring * thm list) list) * local_theory
wenzelm@18954:   val axiomatization_i: (string * typ option * mixfix) list ->
wenzelm@18954:     ((bstring * Attrib.src list) * term list) list -> local_theory ->
wenzelm@18954:     (term list * (bstring * thm list) list) * local_theory
wenzelm@18954:   val definition:
wenzelm@18786:     ((string * string option * mixfix) option * ((string * Attrib.src list) * string)) list ->
wenzelm@18954:     local_theory -> (term * (bstring * thm)) list * local_theory
wenzelm@18954:   val definition_i:
wenzelm@18786:     ((string * typ option * mixfix) option * ((string * Attrib.src list) * term)) list ->
wenzelm@18954:     local_theory -> (term * (bstring * thm)) list * local_theory
wenzelm@20784:   val abbreviation: Syntax.mode -> ((string * string option * mixfix) option * string) list ->
wenzelm@19080:     local_theory -> local_theory
wenzelm@20784:   val abbreviation_i: Syntax.mode -> ((string * typ option * mixfix) option * term) list ->
wenzelm@19080:     local_theory -> local_theory
wenzelm@20784:   val const_syntax: Syntax.mode -> (xstring * mixfix) list -> local_theory -> local_theory
wenzelm@20784:   val const_syntax_i: Syntax.mode -> (string * mixfix) list -> local_theory -> local_theory
wenzelm@18620: end;
wenzelm@18620: 
wenzelm@18620: structure Specification: SPECIFICATION =
wenzelm@18620: struct
wenzelm@18620: 
wenzelm@20890: (* diagnostics *)
wenzelm@20890: 
wenzelm@20890: val quiet_mode = ref false;
wenzelm@20890: 
wenzelm@20890: fun print_consts _ _ [] = ()
wenzelm@20890:   | print_consts ctxt pred cs =
wenzelm@20890:       if ! quiet_mode then () else Pretty.writeln (ProofDisplay.pretty_consts ctxt pred cs);
wenzelm@20890: 
wenzelm@19664: 
wenzelm@18620: (* prepare specification *)
wenzelm@18620: 
wenzelm@18828: fun prep_specification prep_vars prep_propp prep_att raw_vars raw_specs ctxt =
wenzelm@18620:   let
wenzelm@18670:     val thy = ProofContext.theory_of ctxt;
wenzelm@18620: 
wenzelm@18670:     val (vars, vars_ctxt) = ctxt |> prep_vars raw_vars;
wenzelm@18670:     val (xs, params_ctxt) = vars_ctxt |> ProofContext.add_fixes_i vars;
wenzelm@18670:     val ((specs, vs), specs_ctxt) =
wenzelm@19585:       prep_propp (params_ctxt, map (map (rpair []) o snd) raw_specs)
wenzelm@18620:       |> swap |>> map (map fst)
wenzelm@18771:       ||>> fold_map ProofContext.inferred_param xs;
wenzelm@18620: 
wenzelm@18771:     val params = vs ~~ map #3 vars;
wenzelm@18620:     val names = map (fst o fst) raw_specs;
wenzelm@18670:     val atts = map (map (prep_att thy) o snd o fst) raw_specs;
wenzelm@18620:   in ((params, (names ~~ atts) ~~ specs), specs_ctxt) end;
wenzelm@18620: 
wenzelm@18620: fun read_specification x =
wenzelm@18771:   prep_specification ProofContext.read_vars ProofContext.read_propp Attrib.intern_src x;
wenzelm@18620: fun cert_specification x =
wenzelm@18670:   prep_specification ProofContext.cert_vars ProofContext.cert_propp (K I) x;
wenzelm@18620: 
wenzelm@18620: 
wenzelm@18771: (* axiomatization *)
wenzelm@18620: 
wenzelm@20890: fun gen_axioms prep raw_vars raw_specs lthy =
wenzelm@18620:   let
wenzelm@20890:     val (vars, specs) = fst (prep raw_vars raw_specs lthy);
wenzelm@18828:     val cs = map fst vars;
wenzelm@18880:     val spec_frees = member (op =) (fold (fold Term.add_frees o snd) specs []);
wenzelm@18786: 
wenzelm@20890:     val ((consts, axioms), lthy') = lthy
wenzelm@20890:       |> LocalTheory.consts spec_frees vars
wenzelm@20890:       ||>> LocalTheory.axioms specs;
wenzelm@18786: 
wenzelm@20890:     (* FIXME generic target!? *)
wenzelm@20890:     val hs = map (Term.head_of o #2 o Logic.dest_equals o Thm.prop_of o #2) consts;
wenzelm@20890:     val lthy'' = lthy' |> LocalTheory.theory (Theory.add_finals_i false hs);
wenzelm@20890: 
wenzelm@20890:     val _ = print_consts lthy' spec_frees cs;
wenzelm@20890:   in ((map #1 consts, axioms), lthy'') end;
wenzelm@18786: 
wenzelm@18954: val axiomatization = gen_axioms read_specification;
wenzelm@18954: val axiomatization_i = gen_axioms cert_specification;
wenzelm@18620: 
wenzelm@18786: 
wenzelm@18786: (* definition *)
wenzelm@18786: 
wenzelm@20890: fun gen_defs prep args lthy =
wenzelm@18786:   let
wenzelm@20890:     fun define (raw_var, (raw_a, raw_prop)) lthy1 =
wenzelm@18786:       let
wenzelm@20890:         val (vars, [((raw_name, atts), [prop])]) =
wenzelm@20890:           fst (prep (the_list raw_var) [(raw_a, [raw_prop])] lthy1);
wenzelm@20890:         val (((x, T), rhs), prove) = LocalDefs.derived_def lthy1 true prop;
wenzelm@20890:         val name = Thm.def_name_optional x raw_name;
wenzelm@18786:         val mx = (case vars of [] => NoSyn | [((x', _), mx)] =>
wenzelm@18786:           if x = x' then mx
wenzelm@18786:           else error ("Head of definition " ^ quote x ^ " differs from declaration " ^ quote x'));
wenzelm@20890:         val ((lhs, (_, th)), lthy2) = lthy1
wenzelm@20890: (*          |> LocalTheory.def ((x, mx), ((name ^ "_raw", []), rhs));  FIXME *)
wenzelm@20890:           |> LocalTheory.def ((x, mx), ((name, []), rhs));
wenzelm@20890:         val ((b, [th']), lthy3) = lthy2
wenzelm@20890:           |> LocalTheory.note ((name, atts), [prove lthy2 lhs th]);
wenzelm@20890:       in (((x, T), (lhs, (b, th'))), LocalTheory.reinit lthy3) end;
wenzelm@18786: 
wenzelm@20890:     val ((cs, defs), lthy') = lthy |> fold_map define args |>> split_list;
wenzelm@18880:     val def_frees = member (op =) (fold (Term.add_frees o fst) defs []);
wenzelm@20890:     val _ = print_consts lthy' def_frees cs;
wenzelm@20890:   in (defs, lthy') end;
wenzelm@18786: 
wenzelm@18954: val definition = gen_defs read_specification;
wenzelm@18954: val definition_i = gen_defs cert_specification;
wenzelm@18786: 
wenzelm@19080: 
wenzelm@19080: (* abbreviation *)
wenzelm@19080: 
wenzelm@20890: fun gen_abbrevs prep mode args lthy =
wenzelm@19080:   let
wenzelm@20890:     fun abbrev (raw_var, raw_prop) lthy1 =
wenzelm@19080:       let
wenzelm@19372:         val ((vars, [(_, [prop])]), _) =
wenzelm@19372:           prep (the_list raw_var) [(("", []), [raw_prop])]
wenzelm@20890:             (lthy1 |> ProofContext.expand_abbrevs false);
wenzelm@20890:         val ((x, T), rhs) = LocalDefs.abs_def (#2 (LocalDefs.cert_def lthy1 prop));
wenzelm@19080:         val mx = (case vars of [] => NoSyn | [((x', _), mx)] =>
wenzelm@19080:           if x = x' then mx
wenzelm@19080:           else error ("Head of abbreviation " ^ quote x ^ " differs from declaration " ^ quote x'));
wenzelm@19080:       in
wenzelm@20890:         lthy1
wenzelm@19664:         |> LocalTheory.abbrevs mode [((x, mx), rhs)]
wenzelm@19080:         |> pair (x, T)
wenzelm@19080:       end;
wenzelm@19080: 
wenzelm@20890:     val (cs, lthy1) = lthy
wenzelm@19544:       |> ProofContext.set_syntax_mode mode
wenzelm@19544:       |> fold_map abbrev args
wenzelm@20890:       ||> ProofContext.restore_syntax_mode lthy;
wenzelm@20890:     val _ = print_consts lthy1 (K false) cs;
wenzelm@20890:   in lthy1 end;
wenzelm@19080: 
wenzelm@19080: val abbreviation = gen_abbrevs read_specification;
wenzelm@19080: val abbreviation_i = gen_abbrevs cert_specification;
wenzelm@19080: 
wenzelm@19664: 
wenzelm@19664: (* const syntax *)
wenzelm@19664: 
wenzelm@20890: fun gen_syntax intern_const mode raw_args lthy =
wenzelm@20890:   let val args = raw_args |> map (apfst (intern_const (ProofContext.consts_of lthy)))
wenzelm@20890:   in lthy |> LocalTheory.const_syntax mode args end;
wenzelm@19664: 
wenzelm@19664: val const_syntax = gen_syntax Consts.intern;
wenzelm@19664: val const_syntax_i = gen_syntax (K I);
wenzelm@19664: 
wenzelm@18620: end;