src/Pure/Isar/isar_thy.ML
author wenzelm
Tue Feb 08 22:28:30 2000 +0100 (2000-02-08 ago)
changeset 8213 a541e261c660
parent 8210 ca3997312f47
child 8227 d67db92897df
permissions -rw-r--r--
(then_)tac: assert_backward;
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(*  Title:      Pure/Isar/isar_thy.ML
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    ID:         $Id$
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    Author:     Markus Wenzel, TU Muenchen
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Pure/Isar derived theory operations.
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*)
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signature ISAR_THY =
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sig
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  val add_header: Comment.text -> Toplevel.transition -> Toplevel.transition
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  val add_chapter: Comment.text -> theory -> theory
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  val add_section: Comment.text -> theory -> theory
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  val add_subsection: Comment.text -> theory -> theory
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  val add_subsubsection: Comment.text -> theory -> theory
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  val add_text: Comment.text -> theory -> theory
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  val add_text_raw: Comment.text -> theory -> theory
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  val add_sect: Comment.text -> ProofHistory.T -> ProofHistory.T
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  val add_subsect: Comment.text -> ProofHistory.T -> ProofHistory.T
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  val add_subsubsect: Comment.text -> ProofHistory.T -> ProofHistory.T
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  val add_txt: Comment.text -> ProofHistory.T -> ProofHistory.T
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  val add_txt_raw: Comment.text -> ProofHistory.T -> ProofHistory.T
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  val add_classes: (bclass * xclass list) list * Comment.text -> theory -> theory
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  val add_classes_i: (bclass * class list) list * Comment.text  -> theory -> theory
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  val add_classrel: (xclass * xclass) * Comment.text -> theory -> theory
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  val add_classrel_i: (class * class) * Comment.text -> theory -> theory
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  val add_defsort: xsort * Comment.text -> theory -> theory
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  val add_defsort_i: sort * Comment.text -> theory -> theory
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  val add_nonterminals: (bstring * Comment.text) list -> theory -> theory
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  val add_tyabbrs: ((bstring * string list * string * mixfix) * Comment.text) list
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    -> theory -> theory
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  val add_tyabbrs_i: ((bstring * string list * typ * mixfix) * Comment.text) list
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    -> theory -> theory
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  val add_arities: ((xstring * xsort list * xsort) * Comment.text) list -> theory -> theory
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  val add_arities_i: ((string * sort list * sort) * Comment.text) list -> theory -> theory
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  val add_typedecl: (bstring * string list * mixfix) * Comment.text -> theory -> theory
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  val add_consts: ((bstring * string * mixfix) * Comment.text) list -> theory -> theory
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  val add_consts_i: ((bstring * typ * mixfix) * Comment.text) list -> theory -> theory
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  val add_modesyntax: string * bool -> ((bstring * string * mixfix) * Comment.text) list
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    -> theory -> theory
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  val add_modesyntax_i: string * bool -> ((bstring * typ * mixfix) * Comment.text) list
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    -> theory -> theory
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  val add_trrules: ((xstring * string) Syntax.trrule * Comment.text) list -> theory -> theory
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  val add_trrules_i: (Syntax.ast Syntax.trrule * Comment.text) list -> theory -> theory
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  val add_axioms: (((bstring * string) * Args.src list) * Comment.text) list -> theory -> theory
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  val add_axioms_i: (((bstring * term) * theory attribute list) * Comment.text) list
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    -> theory -> theory
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  val add_defs: (((bstring * string) * Args.src list) * Comment.text) list -> theory -> theory
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  val add_defs_i: (((bstring * term) * theory attribute list) * Comment.text) list
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    -> theory -> theory
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  val add_constdefs: (((bstring * string * mixfix) * Comment.text) * (string * Comment.text)) list
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    -> theory -> theory
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  val add_constdefs_i: (((bstring * typ * mixfix) * Comment.text) * (term * Comment.text)) list
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    -> theory -> theory
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  val apply_theorems: (xstring * Args.src list) list -> theory -> theory * thm list
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  val apply_theorems_i: (thm * theory attribute list) list -> theory -> theory * thm list
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  val have_theorems: ((bstring * Args.src list) * (xstring * Args.src list) list) * Comment.text
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    -> theory -> theory
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  val have_theorems_i: ((bstring * theory attribute list) * (thm * theory attribute list) list)
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    * Comment.text -> theory -> theory
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  val have_lemmas: ((bstring * Args.src list) * (xstring * Args.src list) list) * Comment.text
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    -> theory -> theory
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  val have_lemmas_i: ((bstring * theory attribute list) * (thm * theory attribute list) list)
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    * Comment.text -> theory -> theory
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  val have_facts: ((string * Args.src list) * (string * Args.src list) list) * Comment.text
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    -> ProofHistory.T -> ProofHistory.T
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  val have_facts_i: ((string * Proof.context attribute list) *
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    (thm * Proof.context attribute list) list) * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val from_facts: (string * Args.src list) list * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val from_facts_i: (thm * Proof.context attribute list) list * Comment.text
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    -> ProofHistory.T -> ProofHistory.T
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  val with_facts: (string * Args.src list) list * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val with_facts_i: (thm * Proof.context attribute list) list * Comment.text
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    -> ProofHistory.T -> ProofHistory.T
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  val chain: Comment.text -> ProofHistory.T -> ProofHistory.T
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  val export_chain: Comment.text -> ProofHistory.T -> ProofHistory.T
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  val fix: ((string list * string option) * Comment.text) list -> ProofHistory.T -> ProofHistory.T
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  val fix_i: ((string list * typ option) * Comment.text) list -> ProofHistory.T -> ProofHistory.T
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  val match_bind: ((string list * string) * Comment.text) list -> ProofHistory.T -> ProofHistory.T
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  val match_bind_i: ((term list * term) * Comment.text) list -> ProofHistory.T -> ProofHistory.T
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  val theorem: (bstring * Args.src list * (string * (string list * string list)))
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    * Comment.text -> bool -> theory -> ProofHistory.T
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  val theorem_i: (bstring * theory attribute list * (term * (term list * term list)))
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    * Comment.text -> bool -> theory -> ProofHistory.T
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  val lemma: (bstring * Args.src list * (string * (string list * string list)))
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    * Comment.text -> bool -> theory -> ProofHistory.T
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  val lemma_i: (bstring * theory attribute list * (term * (term list * term list)))
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    * Comment.text -> bool -> theory -> ProofHistory.T
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  val assume: ((string * Args.src list * (string * (string list * string list)) list)
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    * Comment.text) list -> ProofHistory.T -> ProofHistory.T
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  val assume_i: ((string * Proof.context attribute list * (term * (term list * term list)) list)
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    * Comment.text) list -> ProofHistory.T -> ProofHistory.T
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  val presume: ((string * Args.src list * (string * (string list * string list)) list)
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    * Comment.text) list -> ProofHistory.T -> ProofHistory.T
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  val presume_i: ((string * Proof.context attribute list * (term * (term list * term list)) list)
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    * Comment.text) list -> ProofHistory.T -> ProofHistory.T
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  val local_def: (string * Args.src list * ((string * string option) * (string * string list)))
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    * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val local_def_i: (string * Args.src list * ((string * typ option) * (term * term list)))
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    * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val show: (string * Args.src list * (string * (string list * string list)))
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    * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val show_i: (string * Proof.context attribute list * (term * (term list * term list)))
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    * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val have: (string * Args.src list * (string * (string list * string list)))
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    * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val have_i: (string * Proof.context attribute list * (term * (term list * term list)))
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    * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val thus: (string * Args.src list * (string * (string list * string list)))
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    * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val thus_i: (string * Proof.context attribute list * (term * (term list * term list)))
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    * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val hence: (string * Args.src list * (string * (string list * string list)))
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    * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val hence_i: (string * Proof.context attribute list * (term * (term list * term list)))
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    * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val begin_block: ProofHistory.T -> ProofHistory.T
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  val next_block: ProofHistory.T -> ProofHistory.T
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  val end_block: ProofHistory.T -> ProofHistory.T
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  val defer: int option -> ProofHistory.T -> ProofHistory.T
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  val prefer: int -> ProofHistory.T -> ProofHistory.T
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  val tac: Method.text -> ProofHistory.T -> ProofHistory.T
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  val then_tac: Method.text -> ProofHistory.T -> ProofHistory.T
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  val proof: (Comment.interest * (Method.text * Comment.interest) option) * Comment.text
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    -> ProofHistory.T -> ProofHistory.T
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  val qed: (Method.text * Comment.interest) option * Comment.text
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    -> Toplevel.transition -> Toplevel.transition
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  val terminal_proof: ((Method.text * Comment.interest) * (Method.text * Comment.interest) option)
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    * Comment.text -> Toplevel.transition -> Toplevel.transition
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  val immediate_proof: Comment.text -> Toplevel.transition -> Toplevel.transition
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  val default_proof: Comment.text -> Toplevel.transition -> Toplevel.transition
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  val skip_proof: Comment.text -> Toplevel.transition -> Toplevel.transition
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  val forget_proof: Comment.text -> Toplevel.transition -> Toplevel.transition
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  val get_thmss: (string * Args.src list) list -> Proof.state -> thm list
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  val also: ((string * Args.src list) list * Comment.interest) option * Comment.text
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    -> Toplevel.transition -> Toplevel.transition
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  val also_i: (thm list * Comment.interest) option * Comment.text
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    -> Toplevel.transition -> Toplevel.transition
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  val finally: ((string * Args.src list) list * Comment.interest) option * Comment.text
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    -> Toplevel.transition -> Toplevel.transition
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  val finally_i: (thm list * Comment.interest) option * Comment.text
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    -> Toplevel.transition -> Toplevel.transition
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  val use_mltext: string -> bool -> theory option -> unit
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  val use_mltext_theory: string -> bool -> theory -> theory
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  val use_setup: string -> theory -> theory
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  val parse_ast_translation: string -> theory -> theory
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  val parse_translation: string -> theory -> theory
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  val print_translation: string -> theory -> theory
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  val typed_print_translation: string -> theory -> theory
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  val print_ast_translation: string -> theory -> theory
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  val token_translation: string -> theory -> theory
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  val add_oracle: (bstring * string) * Comment.text -> theory -> theory
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  val begin_theory: string -> string list -> (string * bool) list -> theory
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  val end_theory: theory -> theory
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  val kill_theory: string -> unit
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  val theory: string * string list * (string * bool) list
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    -> Toplevel.transition -> Toplevel.transition
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  val init_context: ('a -> unit) -> 'a -> Toplevel.transition -> Toplevel.transition
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  val context: string -> Toplevel.transition -> Toplevel.transition
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end;
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structure IsarThy: ISAR_THY =
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struct
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(** derived theory and proof operations **)
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(* markup commands *)
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fun add_header comment =
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  Toplevel.keep (fn state => if Toplevel.is_toplevel state then () else raise Toplevel.UNDEF);
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fun add_text _ x = x;
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fun add_text_raw _ x = x;
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fun add_heading add present txt thy =
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  (Context.setmp (Some thy) present (Comment.string_of txt); add txt thy);
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val add_chapter = add_heading add_text Present.section;
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val add_section = add_heading add_text Present.section;
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val add_subsection = add_heading add_text Present.subsection;
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val add_subsubsection = add_heading add_text Present.subsubsection;
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fun add_txt (_: Comment.text) = ProofHistory.apply I;
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val add_txt_raw = add_txt;
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val add_sect = add_txt;
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val add_subsect = add_txt;
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val add_subsubsect = add_txt;
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(* signature and syntax *)
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val add_classes = Theory.add_classes o Comment.ignore;
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val add_classes_i = Theory.add_classes_i o Comment.ignore;
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val add_classrel = Theory.add_classrel o single o Comment.ignore;
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val add_classrel_i = Theory.add_classrel_i o single o Comment.ignore;
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val add_defsort = Theory.add_defsort o Comment.ignore;
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val add_defsort_i = Theory.add_defsort_i o Comment.ignore;
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val add_nonterminals = Theory.add_nonterminals o map Comment.ignore;
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val add_tyabbrs = Theory.add_tyabbrs o map Comment.ignore;
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val add_tyabbrs_i = Theory.add_tyabbrs_i o map Comment.ignore;
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val add_arities = Theory.add_arities o map Comment.ignore;
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val add_arities_i = Theory.add_arities_i o map Comment.ignore;
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val add_typedecl = PureThy.add_typedecls o single o Comment.ignore;
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val add_consts = Theory.add_consts o map Comment.ignore;
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val add_consts_i = Theory.add_consts_i o map Comment.ignore;
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fun add_modesyntax mode = Theory.add_modesyntax mode o map Comment.ignore;
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fun add_modesyntax_i mode = Theory.add_modesyntax_i mode o map Comment.ignore;
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val add_trrules = Theory.add_trrules o map Comment.ignore;
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val add_trrules_i = Theory.add_trrules_i o map Comment.ignore;
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(* axioms and defs *)
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fun add_axms f args thy =
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  f (map (fn (x, srcs) => (x, map (Attrib.global_attribute thy) srcs)) args) thy;
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val add_axioms = add_axms PureThy.add_axioms o map Comment.ignore;
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val add_axioms_i = PureThy.add_axioms_i o map Comment.ignore;
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val add_defs = add_axms PureThy.add_defs o map Comment.ignore;
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val add_defs_i = PureThy.add_defs_i o map Comment.ignore;
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(* constdefs *)
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fun gen_add_constdefs consts defs args thy =
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  thy
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  |> consts (map (Comment.ignore o fst) args)
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  |> defs (map (fn (((c, _, mx), _), (s, _)) =>
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    (((Thm.def_name (Syntax.const_name c mx), s), []), Comment.none)) args);
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fun add_constdefs args = gen_add_constdefs Theory.add_consts add_defs args;
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fun add_constdefs_i args = gen_add_constdefs Theory.add_consts_i add_defs_i args;
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(* theorems *)
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fun gen_have_thmss get attrib f ((name, more_srcs), th_srcs) x =
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  f name (map (attrib x) more_srcs)
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    (map (fn (s, srcs) => (get x s, map (attrib x) srcs)) th_srcs) x;
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fun global_have_thmss kind f (x as ((name, _), _)) thy =
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  let val (thy', thms) = gen_have_thmss PureThy.get_thms Attrib.global_attribute f x thy in
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    if kind <> "" then Context.setmp (Some thy') (Present.results kind name) thms else ();
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    (thy', thms)
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  end;
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fun local_have_thmss x =
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  gen_have_thmss (ProofContext.get_thms o Proof.context_of)
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    (Attrib.local_attribute o Proof.theory_of) x;
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fun gen_have_thmss_i f ((name, more_atts), th_atts) =
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  f name more_atts (map (apfst single) th_atts);
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fun have_lemss name atts = PureThy.have_thmss name (atts @ [Drule.tag_lemma]);
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fun apply_theorems th_srcs = global_have_thmss "" PureThy.have_thmss (("", []), th_srcs);
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fun apply_theorems_i th_srcs = gen_have_thmss_i PureThy.have_thmss (("", []), th_srcs);
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val have_theorems = #1 oo (global_have_thmss "theorems" PureThy.have_thmss o Comment.ignore);
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val have_theorems_i = #1 oo (gen_have_thmss_i PureThy.have_thmss o Comment.ignore);
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val have_lemmas = #1 oo (global_have_thmss "lemmas" have_lemss o Comment.ignore);
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val have_lemmas_i = #1 oo (gen_have_thmss_i have_lemss o Comment.ignore);
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val have_facts = ProofHistory.apply o local_have_thmss (Proof.have_thmss []) o Comment.ignore;
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val have_facts_i = ProofHistory.apply o gen_have_thmss_i (Proof.have_thmss []) o Comment.ignore;
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(* forward chaining *)
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   269
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fun gen_from_facts f = ProofHistory.apply o (Proof.chain oo curry f ("", []));
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   271
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   272
fun add_thmss name atts ths_atts state =
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   273
  Proof.have_thmss (Proof.the_facts state) name atts ths_atts state;
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   274
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   275
val from_facts = gen_from_facts (local_have_thmss (Proof.have_thmss [])) o Comment.ignore;
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   276
val from_facts_i = gen_from_facts (gen_have_thmss_i (Proof.have_thmss [])) o Comment.ignore;
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   277
val with_facts = gen_from_facts (local_have_thmss add_thmss) o Comment.ignore;
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   278
val with_facts_i = gen_from_facts (gen_have_thmss_i add_thmss) o Comment.ignore;
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   279
wenzelm@6728
   280
fun chain comment_ignore = ProofHistory.apply Proof.chain;
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   281
fun export_chain comment_ignore = ProofHistory.applys Proof.export_chain;
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   282
wenzelm@5830
   283
wenzelm@5830
   284
(* context *)
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   285
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   286
val fix = ProofHistory.apply o Proof.fix o map Comment.ignore;
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   287
val fix_i = ProofHistory.apply o Proof.fix_i o map Comment.ignore;
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val match_bind = ProofHistory.apply o Proof.match_bind o map Comment.ignore;
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   289
val match_bind_i = ProofHistory.apply o Proof.match_bind_i o map Comment.ignore;
wenzelm@5830
   290
wenzelm@5830
   291
wenzelm@5830
   292
(* statements *)
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   293
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   294
local
wenzelm@7271
   295
wenzelm@6728
   296
fun global_statement f (name, src, s) int thy =
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  ProofHistory.init (Toplevel.undo_limit int)
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    (f name (map (Attrib.global_attribute thy) src) s thy);
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   299
wenzelm@6728
   300
fun global_statement_i f (name, atts, t) int thy =
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   301
  ProofHistory.init (Toplevel.undo_limit int) (f name atts t thy);
wenzelm@6501
   302
wenzelm@6904
   303
fun local_statement f g (name, src, s) = ProofHistory.apply (fn state =>
wenzelm@6501
   304
  f name (map (Attrib.local_attribute (Proof.theory_of state)) src) s (g state));
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   305
wenzelm@6904
   306
fun local_statement_i f g (name, atts, t) = ProofHistory.apply (f name atts t o g);
wenzelm@5830
   307
wenzelm@8090
   308
fun multi_local_attribute state (name, src, s) =
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   309
  (name, map (Attrib.local_attribute (Proof.theory_of state)) src, s);
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   310
wenzelm@7271
   311
fun multi_statement f args = ProofHistory.apply (fn state =>
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   312
  f (map (multi_local_attribute state) args) state);
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   313
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   314
fun multi_statement_i f args = ProofHistory.apply (f args);
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   315
wenzelm@7271
   316
in
wenzelm@7271
   317
wenzelm@6952
   318
val theorem     = global_statement Proof.theorem o Comment.ignore;
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   319
val theorem_i   = global_statement_i Proof.theorem_i o Comment.ignore;
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   320
val lemma       = global_statement Proof.lemma o Comment.ignore;
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   321
val lemma_i     = global_statement_i Proof.lemma_i o Comment.ignore;
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   322
val assume      = multi_statement Proof.assume o map Comment.ignore;
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   323
val assume_i    = multi_statement_i Proof.assume_i o map Comment.ignore;
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   324
val presume     = multi_statement Proof.presume o map Comment.ignore;
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   325
val presume_i   = multi_statement_i Proof.presume_i o map Comment.ignore;
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   326
val local_def   = local_statement LocalDefs.def I o Comment.ignore;
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   327
val local_def_i = local_statement LocalDefs.def_i I o Comment.ignore;
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   328
val show        = local_statement (Proof.show Seq.single) I o Comment.ignore;
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   329
val show_i      = local_statement_i (Proof.show_i Seq.single) I o Comment.ignore;
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   330
val have        = local_statement (Proof.have Seq.single) I o Comment.ignore;
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   331
val have_i      = local_statement_i (Proof.have_i Seq.single) I o Comment.ignore;
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   332
val thus        = local_statement (Proof.show Seq.single) Proof.chain o Comment.ignore;
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   333
val thus_i      = local_statement_i (Proof.show_i Seq.single) Proof.chain o Comment.ignore;
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   334
val hence       = local_statement (Proof.have Seq.single) Proof.chain o Comment.ignore;
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   335
val hence_i     = local_statement_i (Proof.have_i Seq.single) Proof.chain o Comment.ignore;
wenzelm@5830
   336
wenzelm@7271
   337
end;
wenzelm@7271
   338
wenzelm@5830
   339
wenzelm@5830
   340
(* blocks *)
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   341
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   342
val begin_block = ProofHistory.apply Proof.begin_block;
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   343
val next_block = ProofHistory.apply Proof.next_block;
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   344
val end_block = ProofHistory.applys Proof.end_block;
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   345
wenzelm@5830
   346
wenzelm@8165
   347
(* shuffle state *)
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   348
wenzelm@8204
   349
fun shuffle meth i = Method.refine_no_facts (Method.Basic (K (meth i))) o Proof.assert_no_chain;
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   350
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   351
fun defer i = ProofHistory.applys (shuffle Method.defer i);
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   352
fun prefer i = ProofHistory.applys (shuffle Method.prefer i);
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   353
wenzelm@8165
   354
wenzelm@5830
   355
(* backward steps *)
wenzelm@5830
   356
wenzelm@8213
   357
fun tac m = ProofHistory.applys (Method.refine_no_facts m o Proof.assert_backward);
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   358
fun then_tac m = ProofHistory.applys (Method.refine m o Proof.assert_backward);
wenzelm@6728
   359
wenzelm@7002
   360
val proof = ProofHistory.applys o Method.proof o
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   361
  apsome Comment.ignore_interest o Comment.ignore_interest' o Comment.ignore;
wenzelm@6404
   362
wenzelm@6404
   363
wenzelm@6732
   364
(* print result *)
wenzelm@6732
   365
wenzelm@7572
   366
local
wenzelm@7572
   367
wenzelm@6732
   368
fun pretty_result {kind, name, thm} =
wenzelm@7590
   369
  Pretty.block [Pretty.str (kind ^ (if name = "" then "" else " " ^ name) ^ ":"),
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   370
    Pretty.fbrk, Proof.pretty_thm thm];
wenzelm@6986
   371
wenzelm@6986
   372
fun pretty_rule thm =
wenzelm@7353
   373
  Pretty.block [Pretty.str "trying to solve goal by rule:", Pretty.fbrk, Proof.pretty_thm thm];
wenzelm@6732
   374
wenzelm@7572
   375
in
wenzelm@7572
   376
wenzelm@6732
   377
val print_result = Pretty.writeln o pretty_result;
wenzelm@6732
   378
wenzelm@6986
   379
fun cond_print_result_rule int =
wenzelm@6986
   380
  if int then (print_result, Pretty.writeln o pretty_rule)
wenzelm@6986
   381
  else (K (), K ());
wenzelm@6986
   382
wenzelm@6986
   383
fun proof'' f = Toplevel.proof' (f o cond_print_result_rule);
wenzelm@6732
   384
wenzelm@7572
   385
end;
wenzelm@7572
   386
wenzelm@6732
   387
wenzelm@6404
   388
(* local endings *)
wenzelm@6404
   389
wenzelm@6728
   390
val local_qed =
wenzelm@6904
   391
  proof'' o (ProofHistory.applys oo Method.local_qed) o apsome Comment.ignore_interest;
wenzelm@6728
   392
wenzelm@6937
   393
fun ignore_interests (x, y) = (Comment.ignore_interest x, apsome Comment.ignore_interest y);
wenzelm@6937
   394
wenzelm@6688
   395
val local_terminal_proof =
wenzelm@6937
   396
  proof'' o (ProofHistory.applys oo Method.local_terminal_proof) o ignore_interests;
wenzelm@6728
   397
wenzelm@6904
   398
val local_immediate_proof = proof'' (ProofHistory.applys o Method.local_immediate_proof);
wenzelm@6904
   399
val local_default_proof = proof'' (ProofHistory.applys o Method.local_default_proof);
wenzelm@6904
   400
val local_skip_proof = proof'' (ProofHistory.applys o SkipProof.local_skip_proof);
wenzelm@6404
   401
wenzelm@6404
   402
wenzelm@6404
   403
(* global endings *)
wenzelm@6404
   404
wenzelm@6404
   405
fun global_result finish = Toplevel.proof_to_theory (fn prf =>
wenzelm@6404
   406
  let
wenzelm@6404
   407
    val state = ProofHistory.current prf;
wenzelm@6404
   408
    val _ = if Proof.at_bottom state then () else raise Toplevel.UNDEF;
wenzelm@7572
   409
    val (thy, res as {kind, name, thm}) = finish state;
wenzelm@7572
   410
  in print_result res; Context.setmp (Some thy) (Present.result kind name) thm; thy end);
wenzelm@6404
   411
wenzelm@6952
   412
val global_qed = global_result o Method.global_qed o apsome Comment.ignore_interest;
wenzelm@6937
   413
val global_terminal_proof = global_result o Method.global_terminal_proof o ignore_interests;
wenzelm@6404
   414
val global_immediate_proof = global_result Method.global_immediate_proof;
wenzelm@6404
   415
val global_default_proof = global_result Method.global_default_proof;
wenzelm@6888
   416
val global_skip_proof = global_result SkipProof.global_skip_proof;
wenzelm@6404
   417
wenzelm@6404
   418
wenzelm@6404
   419
(* common endings *)
wenzelm@6404
   420
wenzelm@7002
   421
fun qed (meth, comment) = local_qed meth o global_qed meth;
wenzelm@7002
   422
fun terminal_proof (meths, comment) = local_terminal_proof meths o global_terminal_proof meths;
wenzelm@7002
   423
fun immediate_proof comment = local_immediate_proof o global_immediate_proof;
wenzelm@7002
   424
fun default_proof comment = local_default_proof o global_default_proof;
wenzelm@7002
   425
fun skip_proof comment = local_skip_proof o global_skip_proof;
wenzelm@5830
   426
wenzelm@8210
   427
fun forget_proof comment = Toplevel.proof_to_theory (Proof.theory_of o ProofHistory.current);
wenzelm@8210
   428
wenzelm@5830
   429
wenzelm@6774
   430
(* calculational proof commands *)
wenzelm@6774
   431
wenzelm@6879
   432
local
wenzelm@6879
   433
wenzelm@7417
   434
fun cond_print_calc int thms =
wenzelm@7417
   435
  if int then Pretty.writeln (Pretty.big_list "calculation:" (map Proof.pretty_thm thms))
wenzelm@6774
   436
  else ();
wenzelm@6774
   437
wenzelm@6774
   438
fun proof''' f = Toplevel.proof' (f o cond_print_calc);
wenzelm@6774
   439
wenzelm@6879
   440
fun gen_calc get f (args, _) prt state =
wenzelm@6879
   441
  f (apsome (fn (srcs, _) => get srcs state) args) prt state;
wenzelm@6879
   442
wenzelm@6879
   443
in
wenzelm@6879
   444
wenzelm@7012
   445
fun get_thmss srcs = Proof.the_facts o local_have_thmss (Proof.have_thmss []) (("", []), srcs); 
wenzelm@7012
   446
fun get_thmss_i thms _ = thms;
wenzelm@7012
   447
wenzelm@6879
   448
fun also x = proof''' (ProofHistory.applys o gen_calc get_thmss Calculation.also x);
wenzelm@6879
   449
fun also_i x = proof''' (ProofHistory.applys o gen_calc get_thmss_i Calculation.also x);
wenzelm@6879
   450
fun finally x = proof''' (ProofHistory.applys o gen_calc get_thmss Calculation.finally x);
wenzelm@6879
   451
fun finally_i x = proof''' (ProofHistory.applys o gen_calc get_thmss_i Calculation.finally x);
wenzelm@6879
   452
wenzelm@6879
   453
end;
wenzelm@6774
   454
wenzelm@6774
   455
wenzelm@5830
   456
(* use ML text *)
wenzelm@5830
   457
wenzelm@7851
   458
fun use_mltext txt verb opt_thy = Context.setmp opt_thy (use_text writeln verb) txt;
wenzelm@7851
   459
fun use_mltext_theory txt verb thy = #2 (Context.pass_theory thy (use_text writeln verb) txt);
wenzelm@5830
   460
wenzelm@7614
   461
fun use_context txt = use_mltext_theory ("Context.>> (" ^ txt ^ ");") false;
wenzelm@5830
   462
wenzelm@5830
   463
fun use_let name body txt =
wenzelm@5830
   464
  use_context ("let val " ^ name ^ " = " ^ txt ^ " in\n" ^ body ^ " end");
wenzelm@5830
   465
wenzelm@5830
   466
val use_setup =
wenzelm@5915
   467
  use_let "setup: (theory -> theory) list" "Library.apply setup";
wenzelm@5830
   468
wenzelm@5830
   469
wenzelm@5830
   470
(* translation functions *)
wenzelm@5830
   471
wenzelm@5830
   472
val parse_ast_translation =
wenzelm@5830
   473
  use_let "parse_ast_translation: (string * (Syntax.ast list -> Syntax.ast)) list"
wenzelm@5830
   474
    "Theory.add_trfuns (parse_ast_translation, [], [], [])";
wenzelm@5830
   475
wenzelm@5830
   476
val parse_translation =
wenzelm@5830
   477
  use_let "parse_translation: (string * (term list -> term)) list"
wenzelm@5830
   478
    "Theory.add_trfuns ([], parse_translation, [], [])";
wenzelm@5830
   479
wenzelm@5830
   480
val print_translation =
wenzelm@5830
   481
  use_let "print_translation: (string * (term list -> term)) list"
wenzelm@5830
   482
    "Theory.add_trfuns ([], [], print_translation, [])";
wenzelm@5830
   483
wenzelm@5830
   484
val print_ast_translation =
wenzelm@5830
   485
  use_let "print_ast_translation: (string * (Syntax.ast list -> Syntax.ast)) list"
wenzelm@5830
   486
    "Theory.add_trfuns ([], [], [], print_ast_translation)";
wenzelm@5830
   487
wenzelm@5830
   488
val typed_print_translation =
wenzelm@5830
   489
  use_let "typed_print_translation: (string * (bool -> typ -> term list -> term)) list"
wenzelm@5830
   490
    "Theory.add_trfunsT typed_print_translation";
wenzelm@5830
   491
wenzelm@5830
   492
val token_translation =
wenzelm@5830
   493
  use_let "token_translation: (string * string * (string -> string * int)) list"
wenzelm@5830
   494
    "Theory.add_tokentrfuns token_translation";
wenzelm@5830
   495
wenzelm@5830
   496
wenzelm@5830
   497
(* add_oracle *)
wenzelm@5830
   498
wenzelm@6728
   499
fun add_oracle ((name, txt), comment_ignore) =
wenzelm@5830
   500
  use_let
wenzelm@5830
   501
    "oracle: bstring * (Sign.sg * Object.T -> term)"
wenzelm@5830
   502
    "Theory.add_oracle oracle"
wenzelm@5830
   503
    ("(" ^ quote name ^ ", " ^ txt ^ ")");
wenzelm@5830
   504
wenzelm@5830
   505
wenzelm@6688
   506
(* theory init and exit *)
wenzelm@5830
   507
wenzelm@7242
   508
fun gen_begin_theory bg name parents files =
wenzelm@6266
   509
  let
wenzelm@6331
   510
    val paths = map (apfst Path.unpack) files;
wenzelm@7242
   511
    val thy = bg name parents paths;
berghofe@6650
   512
  in Present.begin_theory name parents paths thy end;
wenzelm@5830
   513
wenzelm@7242
   514
val begin_theory = gen_begin_theory ThyInfo.begin_theory;
wenzelm@7242
   515
val begin_update_theory = gen_begin_theory ThyInfo.begin_update_theory;
wenzelm@7909
   516
wenzelm@7909
   517
fun end_theory thy =
wenzelm@7932
   518
  if ThyInfo.check_known_thy (PureThy.get_name thy) then ThyInfo.end_theory thy
wenzelm@7909
   519
  else thy;
wenzelm@7909
   520
wenzelm@7932
   521
val kill_theory = ThyInfo.if_known_thy ThyInfo.remove_thy;
wenzelm@6688
   522
wenzelm@7103
   523
wenzelm@7103
   524
fun bg_theory (name, parents, files) int =
wenzelm@7242
   525
  (if int then begin_update_theory else begin_theory) name parents files;
wenzelm@7103
   526
wenzelm@6331
   527
fun en_theory thy = (end_theory thy; ());
wenzelm@6331
   528
wenzelm@7932
   529
fun theory spec = Toplevel.init_theory (bg_theory spec) en_theory (kill_theory o PureThy.get_name);
wenzelm@6246
   530
wenzelm@6246
   531
wenzelm@6246
   532
(* context switch *)
wenzelm@6246
   533
wenzelm@7960
   534
fun fetch_context f x =
wenzelm@7960
   535
  (case Context.pass None f x of
wenzelm@7960
   536
    ((), None) => raise Toplevel.UNDEF
wenzelm@7960
   537
  | ((), Some thy) => thy);
wenzelm@7960
   538
wenzelm@7960
   539
fun init_context f x = Toplevel.init_theory (fn _ => fetch_context f x) (K ()) (K ());
wenzelm@7953
   540
wenzelm@7953
   541
val context = init_context (ThyInfo.quiet_update_thy true);
wenzelm@6246
   542
wenzelm@5830
   543
wenzelm@5830
   544
end;