(* Title: Pure/Isar/isar_thy.ML
ID: $Id$
Author: Markus Wenzel, TU Muenchen
Pure/Isar derived theory operations.
*)
signature ISAR_THY =
sig
val hide_space: string * xstring list -> theory -> theory
val hide_space_i: string * string list -> theory -> theory
val add_axioms: ((bstring * string) * Args.src list) list -> theory -> theory
val add_axioms_i: ((bstring * term) * theory attribute list) list -> theory -> theory
val add_defs: bool * ((bstring * string) * Args.src list) list -> theory -> theory
val add_defs_i: bool * ((bstring * term) * theory attribute list) list -> theory -> theory
val theorems: string -> ((bstring * Args.src list) * (xstring * Args.src list) list) list
-> theory -> theory * (string * thm list) list
val theorems_i: string ->
((bstring * theory attribute list) * (thm list * theory attribute list) list) list
-> theory -> theory * (string * thm list) list
val locale_theorems: string -> xstring ->
((bstring * Args.src list) * (xstring * Args.src list) list) list
-> theory -> theory * (bstring * thm list) list
val locale_theorems_i: string -> string ->
((bstring * Proof.context attribute list)
* (thm list * Proof.context attribute list) list) list
-> theory -> theory * (string * thm list) list
val smart_theorems: string -> xstring option ->
((bstring * Args.src list) * (xstring * Args.src list) list) list
-> theory -> theory * (string * thm list) list
val declare_theorems: xstring option -> (xstring * Args.src list) list -> theory -> theory
val apply_theorems: (xstring * Args.src list) list -> theory -> theory * thm list
val apply_theorems_i: (thm list * theory attribute list) list -> theory -> theory * thm list
val have_facts: ((string * Args.src list) * (string * Args.src list) list) list
-> ProofHistory.T -> ProofHistory.T
val have_facts_i: ((string * Proof.context attribute list) *
(thm * Proof.context attribute list) list) list -> ProofHistory.T -> ProofHistory.T
val from_facts: (string * Args.src list) list list -> ProofHistory.T -> ProofHistory.T
val from_facts_i: (thm * Proof.context attribute list) list list
-> ProofHistory.T -> ProofHistory.T
val with_facts: (string * Args.src list) list list -> ProofHistory.T -> ProofHistory.T
val with_facts_i: (thm * Proof.context attribute list) list list
-> ProofHistory.T -> ProofHistory.T
val using_facts: (string * Args.src list) list list -> ProofHistory.T -> ProofHistory.T
val using_facts_i: (thm * Proof.context attribute list) list list
-> ProofHistory.T -> ProofHistory.T
val chain: ProofHistory.T -> ProofHistory.T
val instantiate_locale: (string * Args.src list) * string -> ProofHistory.T
-> ProofHistory.T
val fix: (string list * string option) list -> ProofHistory.T -> ProofHistory.T
val fix_i: (string list * typ option) list -> ProofHistory.T -> ProofHistory.T
val let_bind: (string list * string) list -> ProofHistory.T -> ProofHistory.T
val let_bind_i: (term list * term) list -> ProofHistory.T -> ProofHistory.T
val invoke_case: string * string option list * Args.src list -> ProofHistory.T -> ProofHistory.T
val invoke_case_i: string * string option list * Proof.context attribute list
-> ProofHistory.T -> ProofHistory.T
val theorem: string -> (bstring * Args.src list) * (string * (string list * string list))
-> bool -> theory -> ProofHistory.T
val theorem_i: string -> (bstring * theory attribute list) *
(term * (term list * term list)) -> bool -> theory -> ProofHistory.T
val multi_theorem: string -> bstring * Args.src list
-> Args.src Locale.element list
-> ((bstring * Args.src list) * (string * (string list * string list)) list) list
-> bool -> theory -> ProofHistory.T
val multi_theorem_i: string -> bstring * theory attribute list
-> Proof.context attribute Locale.element_i list
-> ((bstring * theory attribute list) * (term * (term list * term list)) list) list
-> bool -> theory -> ProofHistory.T
val locale_multi_theorem: string -> xstring
-> bstring * Args.src list -> Args.src Locale.element list
-> ((bstring * Args.src list) * (string * (string list * string list)) list) list
-> bool -> theory -> ProofHistory.T
val locale_multi_theorem_i: string -> string -> bstring * Proof.context attribute list
-> Proof.context attribute Locale.element_i list
-> ((bstring * Proof.context attribute list) * (term * (term list * term list)) list) list
-> bool -> theory -> ProofHistory.T
val smart_multi_theorem: string -> xstring Library.option
-> bstring * Args.src list -> Args.src Locale.element list
-> ((bstring * Args.src list) * (string * (string list * string list)) list) list
-> bool -> theory -> ProofHistory.T
val assume: ((string * Args.src list) * (string * (string list * string list)) list) list
-> ProofHistory.T -> ProofHistory.T
val assume_i:
((string * Proof.context attribute list) * (term * (term list * term list)) list) list
-> ProofHistory.T -> ProofHistory.T
val presume: ((string * Args.src list) * (string * (string list * string list)) list) list
-> ProofHistory.T -> ProofHistory.T
val presume_i:
((string * Proof.context attribute list) * (term * (term list * term list)) list) list
-> ProofHistory.T -> ProofHistory.T
val have: ((string * Args.src list) * (string * (string list * string list)) list) list
-> ProofHistory.T -> ProofHistory.T
val have_i: ((string * Proof.context attribute list) *
(term * (term list * term list)) list) list -> ProofHistory.T -> ProofHistory.T
val hence: ((string * Args.src list) * (string * (string list * string list)) list) list
-> ProofHistory.T -> ProofHistory.T
val hence_i: ((string * Proof.context attribute list) *
(term * (term list * term list)) list) list -> ProofHistory.T -> ProofHistory.T
val show: ((string * Args.src list) * (string * (string list * string list)) list) list
-> bool -> ProofHistory.T -> ProofHistory.T
val show_i: ((string * Proof.context attribute list) *
(term * (term list * term list)) list) list -> bool -> ProofHistory.T -> ProofHistory.T
val thus: ((string * Args.src list) * (string * (string list * string list)) list) list
-> bool -> ProofHistory.T -> ProofHistory.T
val thus_i: ((string * Proof.context attribute list)
* (term * (term list * term list)) list) list -> bool -> ProofHistory.T -> ProofHistory.T
val local_def: (string * Args.src list) * (string * (string * string list))
-> ProofHistory.T -> ProofHistory.T
val local_def_i: (string * Args.src list) * (string * (term * term list))
-> ProofHistory.T -> ProofHistory.T
val obtain: (string list * string option) list
* ((string * Args.src list) * (string * (string list * string list)) list) list
-> Toplevel.transition -> Toplevel.transition
val obtain_i: (string list * typ option) list
* ((string * Proof.context attribute list) * (term * (term list * term list)) list) list
-> Toplevel.transition -> Toplevel.transition
val begin_block: ProofHistory.T -> ProofHistory.T
val next_block: ProofHistory.T -> ProofHistory.T
val end_block: ProofHistory.T -> ProofHistory.T
val defer: int option -> ProofHistory.T -> ProofHistory.T
val prefer: int -> ProofHistory.T -> ProofHistory.T
val apply: Method.text -> ProofHistory.T -> ProofHistory.T
val apply_end: Method.text -> ProofHistory.T -> ProofHistory.T
val proof: Method.text option -> ProofHistory.T -> ProofHistory.T
val qed: Method.text option -> Toplevel.transition -> Toplevel.transition
val terminal_proof: Method.text * Method.text option
-> Toplevel.transition -> Toplevel.transition
val default_proof: Toplevel.transition -> Toplevel.transition
val immediate_proof: Toplevel.transition -> Toplevel.transition
val done_proof: Toplevel.transition -> Toplevel.transition
val skip_proof: Toplevel.transition -> Toplevel.transition
val forget_proof: Toplevel.transition -> Toplevel.transition
val get_thmss: (string * Args.src list) list -> Proof.state -> thm list
val also: (string * Args.src list) list option -> Toplevel.transition -> Toplevel.transition
val also_i: thm list option -> Toplevel.transition -> Toplevel.transition
val finally: (string * Args.src list) list option -> Toplevel.transition -> Toplevel.transition
val finally_i: thm list option -> Toplevel.transition -> Toplevel.transition
val moreover: Toplevel.transition -> Toplevel.transition
val ultimately: Toplevel.transition -> Toplevel.transition
val parse_ast_translation: bool * string -> theory -> theory
val parse_translation: bool * string -> theory -> theory
val print_translation: bool * string -> theory -> theory
val typed_print_translation: bool * string -> theory -> theory
val print_ast_translation: bool * string -> theory -> theory
val token_translation: string -> theory -> theory
val method_setup: bstring * string * string -> theory -> theory
val add_oracle: bstring * string -> theory -> theory
val add_locale: bool * bstring * Locale.expr * Args.src Locale.element list -> theory -> theory
val begin_theory: string -> string list -> (string * bool) list -> theory
val end_theory: theory -> theory
val kill_theory: string -> unit
val theory: string * string list * (string * bool) list
-> Toplevel.transition -> Toplevel.transition
val init_context: ('a -> unit) -> 'a -> Toplevel.transition -> Toplevel.transition
val context: string -> Toplevel.transition -> Toplevel.transition
end;
structure IsarThy: ISAR_THY =
struct
(** derived theory and proof operations **)
(* name spaces *)
local
val kinds =
[(Sign.classK, can o Sign.certify_class),
(Sign.typeK, can o Sign.certify_tyname),
(Sign.constK, can o Sign.certify_const)];
fun gen_hide intern (kind, xnames) thy =
(case assoc (kinds, kind) of
Some check =>
let
val sg = Theory.sign_of thy;
val names = map (intern sg kind) xnames;
val bads = filter_out (check sg) names;
in
if null bads then Theory.hide_space_i true (kind, names) thy
else error ("Attempt to hide undeclared item(s): " ^ commas_quote bads)
end
| None => error ("Bad name space specification: " ^ quote kind));
in
fun hide_space x = gen_hide Sign.intern x;
fun hide_space_i x = gen_hide (K (K I)) x;
end;
(* axioms and defs *)
fun add_axms f args thy =
f (map (fn (x, srcs) => (x, map (Attrib.global_attribute thy) srcs)) args) thy;
val add_axioms = add_axms (#1 oo PureThy.add_axioms);
val add_axioms_i = #1 oo PureThy.add_axioms_i;
fun add_defs (x, args) = add_axms (#1 oo PureThy.add_defs x) args;
fun add_defs_i (x, args) = (#1 oo PureThy.add_defs_i x) args;
(* attributes *)
local
fun prep_attribs f = map (fn ((name, more_srcs), th_srcs) =>
((name, map f more_srcs), map (apsnd (map f)) th_srcs));
in
fun global_attribs thy = prep_attribs (Attrib.global_attribute thy);
fun local_attribs thy = prep_attribs (Attrib.local_attribute thy);
end;
(* theorems *)
local
fun present_thmss kind (thy, named_thmss) =
(conditional (kind <> "" andalso kind <> Drule.internalK) (fn () =>
Context.setmp (Some thy) (Present.results (kind ^ "s")) named_thmss);
(thy, named_thmss));
in
fun theorems_i k = present_thmss k oo PureThy.note_thmss_i (Drule.kind k);
fun locale_theorems_i k loc = present_thmss k oo Locale.note_thmss_i k loc;
fun theorems k args thy = thy
|> PureThy.note_thmss (Drule.kind k) (global_attribs thy args)
|> present_thmss k;
fun locale_theorems k loc args thy = thy
|> Locale.note_thmss k loc (local_attribs thy args)
|> present_thmss k;
fun smart_theorems k opt_loc args thy = thy
|> (case opt_loc of
None => PureThy.note_thmss (Drule.kind k) (global_attribs thy args)
| Some loc => Locale.note_thmss k loc (local_attribs thy args))
|> present_thmss k;
fun declare_theorems opt_loc args = #1 o smart_theorems "" opt_loc [(("", []), args)];
fun apply_theorems args = apsnd (flat o map snd) o theorems "" [(("", []), args)];
fun apply_theorems_i args = apsnd (flat o map snd) o theorems_i "" [(("", []), args)];
end;
(* facts and forward chaining *)
fun local_thmss f args state = f (local_attribs (Proof.theory_of state) args) state;
fun local_thmss_i f args = f (map (fn ((name, more_atts), th_atts) =>
((name, more_atts), map (apfst single) th_atts)) args);
fun chain_thmss f args = ProofHistory.apply (Proof.chain o f (map (pair ("", [])) args));
val have_facts = ProofHistory.apply o local_thmss Proof.note_thmss;
val have_facts_i = ProofHistory.apply o local_thmss_i Proof.note_thmss_i;
val from_facts = chain_thmss (local_thmss Proof.note_thmss);
val from_facts_i = chain_thmss (local_thmss_i Proof.note_thmss_i);
val with_facts = chain_thmss (local_thmss Proof.with_thmss);
val with_facts_i = chain_thmss (local_thmss_i Proof.with_thmss_i);
fun using_facts args = ProofHistory.apply (fn state =>
Proof.using_thmss (map (map (apsnd (map
(Attrib.local_attribute (Proof.theory_of state))))) args) state);
val using_facts_i = ProofHistory.apply o Proof.using_thmss_i o map (map (apfst single));
val chain = ProofHistory.apply Proof.chain;
(* locale instantiation *)
fun instantiate_locale ((name, atts), loc) =
ProofHistory.apply (fn state =>
Proof.instantiate_locale (loc,
(name, map (Attrib.local_attribute (Proof.theory_of state)) atts)) state);
(* context *)
val fix = ProofHistory.apply o Proof.fix;
val fix_i = ProofHistory.apply o Proof.fix_i;
val let_bind = ProofHistory.apply o Proof.let_bind;
val let_bind_i = ProofHistory.apply o Proof.let_bind_i;
fun invoke_case (name, xs, src) = ProofHistory.apply (fn state =>
Proof.invoke_case (name, xs,
map (Attrib.local_attribute (Proof.theory_of state)) src) state);
val invoke_case_i = ProofHistory.apply o Proof.invoke_case;
(* local results *)
local
fun prt_facts ctxt =
flat o (separate [Pretty.fbrk, Pretty.str "and "]) o
map (single o ProofContext.pretty_fact ctxt);
fun pretty_results ctxt ((kind, ""), facts) =
Pretty.block (Pretty.str kind :: Pretty.brk 1 :: prt_facts ctxt facts)
| pretty_results ctxt ((kind, name), facts) = Pretty.blk (1,
[Pretty.str (kind ^ " " ^ name ^ ":"), Pretty.fbrk,
Pretty.blk (1, Pretty.str "(" :: prt_facts ctxt facts @ [Pretty.str ")"])]);
fun pretty_rule s ctxt thm =
Pretty.block [Pretty.str (s ^ " to solve goal by exported rule:"),
Pretty.fbrk, ProofContext.pretty_thm ctxt thm];
in
val print_result = Pretty.writeln oo pretty_results;
fun print_result' ctxt (k, res) = print_result ctxt ((k, ""), res);
fun cond_print_result_rule int = if int
then (print_result',
priority oo (Pretty.string_of oo pretty_rule "Successful attempt"))
else (K (K ()), K (K ()));
fun proof'' f = Toplevel.proof' (f o cond_print_result_rule);
fun check_goal false state = state
| check_goal true state =
let
val rule = ref (None: thm option);
fun fail exn =
(["Problem! Local statement will fail to solve any pending goal"] @
(case exn of None => [] | Some e => [Toplevel.exn_message e]) @
(case ! rule of None => [] | Some thm =>
[Pretty.string_of (pretty_rule "Failed attempt" (Proof.context_of state) thm)]))
|> cat_lines |> error;
val check =
(fn () => Seq.pull (SkipProof.local_skip_proof (K (K ()),
fn _ => fn thm => rule := Some thm) true state))
|> setmp proofs 0
|> transform_error;
val result = (check (), None) handle Interrupt => raise Interrupt | e => (None, Some e);
in (case result of (Some _, None) => () | (_, exn) => fail exn); state end;
end;
(* statements *)
local
fun global_attributes thy ((name, src), s) = ((name, map (Attrib.global_attribute thy) src), s);
fun local_attributes thy ((name, src), s) = ((name, map (Attrib.local_attribute thy) src), s);
fun local_attributes' state = local_attributes (Proof.theory_of state);
fun global_statement f args int thy =
ProofHistory.init (Toplevel.undo_limit int) (f (map (global_attributes thy) args) thy);
fun global_statement_i f args int thy = ProofHistory.init (Toplevel.undo_limit int) (f args thy);
fun local_statement' f g args int = ProofHistory.apply (fn state =>
f (map (local_attributes' state) args) int (g state));
fun local_statement_i' f g args int = ProofHistory.apply (f args int o g);
fun local_statement f g args = local_statement' (K o f) g args ();
fun local_statement_i f g args = local_statement_i' (K o f) g args ();
in
fun multi_theorem k a elems concl int thy =
global_statement (Proof.multi_theorem k None (apsnd (map (Attrib.global_attribute thy)) a)
(map (Locale.attribute (Attrib.local_attribute thy)) elems)) concl int thy;
fun multi_theorem_i k a = global_statement_i o Proof.multi_theorem_i k None a;
fun locale_multi_theorem k locale (name, atts) elems concl int thy =
global_statement (Proof.multi_theorem k
(Some (locale, (map (Attrib.local_attribute thy) atts,
map (map (Attrib.local_attribute thy) o snd o fst) concl)))
(name, []) (map (Locale.attribute (Attrib.local_attribute thy)) elems))
(map (apfst (apsnd (K []))) concl) int thy;
fun locale_multi_theorem_i k locale (name, atts) elems concl =
global_statement_i (Proof.multi_theorem_i k (Some (locale, (atts, map (snd o fst) concl)))
(name, []) elems) (map (apfst (apsnd (K []))) concl);
fun theorem k (a, t) = multi_theorem k a [] [(("", []), [t])];
fun theorem_i k (a, t) = multi_theorem_i k a [] [(("", []), [t])];
fun smart_multi_theorem k None a elems = multi_theorem k a elems
| smart_multi_theorem k (Some locale) a elems = locale_multi_theorem k locale a elems;
val assume = local_statement Proof.assume I;
val assume_i = local_statement_i Proof.assume_i I;
val presume = local_statement Proof.presume I;
val presume_i = local_statement_i Proof.presume_i I;
val have = local_statement (Proof.have Seq.single true) I;
val have_i = local_statement_i (Proof.have_i Seq.single true) I;
val hence = local_statement (Proof.have Seq.single true) Proof.chain;
val hence_i = local_statement_i (Proof.have_i Seq.single true) Proof.chain;
val show = local_statement' (Proof.show check_goal Seq.single true) I;
val show_i = local_statement_i' (Proof.show_i check_goal Seq.single true) I;
val thus = local_statement' (Proof.show check_goal Seq.single true) Proof.chain;
val thus_i = local_statement_i' (Proof.show_i check_goal Seq.single true) Proof.chain;
fun gen_def f ((name, srcs), def) = ProofHistory.apply (fn state =>
f name (map (Attrib.local_attribute (Proof.theory_of state)) srcs) def state);
val local_def = gen_def Proof.def;
val local_def_i = gen_def Proof.def_i;
fun obtain (xs, asms) = proof'' (ProofHistory.applys o (fn print => fn state =>
Obtain.obtain xs (map (local_attributes' state) asms) print state));
fun obtain_i (xs, asms) = proof'' (ProofHistory.applys o Obtain.obtain_i xs asms);
end;
(* blocks *)
val begin_block = ProofHistory.apply Proof.begin_block;
val next_block = ProofHistory.apply Proof.next_block;
val end_block = ProofHistory.applys Proof.end_block;
(* shuffle state *)
fun shuffle meth i = Method.refine (Method.Basic (K (meth i))) o Proof.assert_no_chain;
fun defer i = ProofHistory.applys (shuffle Method.defer i);
fun prefer i = ProofHistory.applys (shuffle Method.prefer i);
(* backward steps *)
fun apply m = ProofHistory.applys
(Seq.map (Proof.goal_facts (K [])) o Method.refine m o Proof.assert_backward);
fun apply_end m = ProofHistory.applys (Method.refine_end m o Proof.assert_forward);
val proof = ProofHistory.applys o Method.proof;
(* local endings *)
val local_qed = proof'' o (ProofHistory.applys oo Method.local_qed true);
val local_terminal_proof = proof'' o (ProofHistory.applys oo Method.local_terminal_proof);
val local_default_proof = proof'' (ProofHistory.applys o Method.local_default_proof);
val local_immediate_proof = proof'' (ProofHistory.applys o Method.local_immediate_proof);
val local_done_proof = proof'' (ProofHistory.applys o Method.local_done_proof);
val local_skip_proof = Toplevel.proof' (fn int =>
ProofHistory.applys (SkipProof.local_skip_proof (cond_print_result_rule int) int));
(* global endings *)
fun global_result finish = Toplevel.proof_to_theory' (fn int => fn prf =>
let
val state = ProofHistory.current prf;
val _ = if Proof.at_bottom state then () else raise Toplevel.UNDEF;
val (thy, ((kind, name), res)) = finish int state;
in
if kind = "" orelse kind = Drule.internalK then ()
else (print_result (Proof.context_of state) ((kind, name), res);
Context.setmp (Some thy) (Present.results kind) res);
thy
end);
fun global_qed m = global_result (K (Method.global_qed true m));
fun global_terminal_proof m = global_result (K (Method.global_terminal_proof m));
val global_default_proof = global_result (K Method.global_default_proof);
val global_immediate_proof = global_result (K Method.global_immediate_proof);
val global_skip_proof = global_result SkipProof.global_skip_proof;
val global_done_proof = global_result (K Method.global_done_proof);
(* common endings *)
fun qed meth = local_qed meth o global_qed meth;
fun terminal_proof meths = local_terminal_proof meths o global_terminal_proof meths;
val default_proof = local_default_proof o global_default_proof;
val immediate_proof = local_immediate_proof o global_immediate_proof;
val done_proof = local_done_proof o global_done_proof;
val skip_proof = local_skip_proof o global_skip_proof;
val forget_proof = Toplevel.proof_to_theory (Proof.theory_of o ProofHistory.current);
(* calculational proof commands *)
local
fun cond_print_calc int ctxt thms =
if int then
Pretty.writeln (Pretty.big_list "calculation:" (map (ProofContext.pretty_thm ctxt) thms))
else ();
fun proof''' f = Toplevel.proof' (f o cond_print_calc);
fun gen_calc get f args prt state =
f (apsome (fn srcs => get srcs state) args) prt state;
in
fun get_thmss srcs = Proof.the_facts o local_thmss Proof.note_thmss [(("", []), srcs)];
fun get_thmss_i thms _ = thms;
fun also x = proof''' (ProofHistory.applys o gen_calc get_thmss Calculation.also x);
fun also_i x = proof''' (ProofHistory.applys o gen_calc get_thmss_i Calculation.also x);
fun finally x = proof''' (ProofHistory.applys o gen_calc get_thmss Calculation.finally x);
fun finally_i x = proof''' (ProofHistory.applys o gen_calc get_thmss_i Calculation.finally x);
val moreover = proof''' (ProofHistory.apply o Calculation.moreover);
val ultimately = proof''' (ProofHistory.apply o Calculation.ultimately);
end;
(* translation functions *)
fun advancedT false = ""
| advancedT true = "Sign.sg -> ";
fun advancedN false = ""
| advancedN true = "advanced_";
fun parse_ast_translation (a, txt) =
txt |> Context.use_let ("val parse_ast_translation: (string * (" ^ advancedT a ^
"Syntax.ast list -> Syntax.ast)) list")
("Theory.add_" ^ advancedN a ^ "trfuns (parse_ast_translation, [], [], [])");
fun parse_translation (a, txt) =
txt |> Context.use_let ("val parse_translation: (string * (" ^ advancedT a ^
"term list -> term)) list")
("Theory.add_" ^ advancedN a ^ "trfuns ([], parse_translation, [], [])");
fun print_translation (a, txt) =
txt |> Context.use_let ("val print_translation: (string * (" ^ advancedT a ^
"term list -> term)) list")
("Theory.add_" ^ advancedN a ^ "trfuns ([], [], print_translation, [])");
fun print_ast_translation (a, txt) =
txt |> Context.use_let ("val print_ast_translation: (string * (" ^ advancedT a ^
"Syntax.ast list -> Syntax.ast)) list")
("Theory.add_" ^ advancedN a ^ "trfuns ([], [], [], print_ast_translation)");
fun typed_print_translation (a, txt) =
txt |> Context.use_let ("val typed_print_translation: (string * (" ^ advancedT a ^
"bool -> typ -> term list -> term)) list")
("Theory.add_" ^ advancedN a ^ "trfunsT typed_print_translation");
val token_translation =
Context.use_let "val token_translation: (string * string * (string -> string * real)) list"
"Theory.add_tokentrfuns token_translation";
(* add method *)
fun method_setup (name, txt, cmt) =
Context.use_let
"val thm = PureThy.get_thm_closure (Context.the_context ());\n\
\val thms = PureThy.get_thms_closure (Context.the_context ());\n\
\val method: bstring * (Args.src -> Proof.context -> Proof.method) * string"
"PureIsar.Method.add_method method"
("(" ^ Library.quote name ^ ", " ^ txt ^ ", " ^ Library.quote cmt ^ ")");
(* add_oracle *)
fun add_oracle (name, txt) =
Context.use_let
"val oracle: bstring * (Sign.sg * Object.T -> term)"
"Theory.add_oracle oracle"
("(" ^ Library.quote name ^ ", " ^ txt ^ ")");
(* add_locale *)
fun add_locale (do_pred, name, import, body) thy =
Locale.add_locale do_pred name import
(map (Locale.attribute (Attrib.local_attribute thy)) body) thy;
(* theory init and exit *)
fun gen_begin_theory upd name parents files =
let val ml_filename = Path.pack (ThyLoad.ml_path name);
val () = if exists (equal ml_filename o #1) files
then error ((quote ml_filename) ^ " not allowed in files section for theory " ^ name)
else ()
in ThyInfo.begin_theory Present.begin_theory upd name parents (map (apfst Path.unpack) files) end;
val begin_theory = gen_begin_theory false;
fun end_theory thy =
if ThyInfo.check_known_thy (PureThy.get_name thy) then ThyInfo.end_theory thy
else thy;
val kill_theory = ThyInfo.if_known_thy ThyInfo.remove_thy;
fun bg_theory (name, parents, files) int = gen_begin_theory int name parents files;
fun en_theory thy = (end_theory thy; ());
fun theory spec = Toplevel.init_theory (bg_theory spec) en_theory (kill_theory o PureThy.get_name);
(* context switch *)
fun fetch_context f x =
(case Context.pass None f x of
((), None) => raise Toplevel.UNDEF
| ((), Some thy) => thy);
fun init_context f x = Toplevel.init_theory (fn _ => fetch_context f x) (K ()) (K ());
val context = init_context (ThyInfo.quiet_update_thy true);
end;