src/Pure/Isar/isar_thy.ML
author wenzelm
Fri Apr 07 17:36:25 2000 +0200 (2000-04-07 ago)
changeset 8681 957a5fe9b212
parent 8615 419166fa66d0
child 8724 ef7efded8fdc
permissions -rw-r--r--
apply etc.: comments;
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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_judgment: (bstring * string * mixfix) * Comment.text -> theory -> theory
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  val add_judgment_i: (bstring * typ * mixfix) * Comment.text -> 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 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 let_bind: ((string list * string) * Comment.text) list -> ProofHistory.T -> ProofHistory.T
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  val let_bind_i: ((term list * term) * Comment.text) list -> ProofHistory.T -> ProofHistory.T
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  val invoke_case: (string * Args.src list) * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val invoke_case_i: (string * Proof.context attribute list) * Comment.text
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    -> 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 * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val prefer: int * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val apply: Method.text * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val apply_end: Method.text * Comment.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 moreover: Comment.text -> Toplevel.transition -> Toplevel.transition
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  val ultimately: Comment.text -> Toplevel.transition -> Toplevel.transition
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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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val add_judgment = AutoBind.add_judgment o Comment.ignore;
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val add_judgment_i = AutoBind.add_judgment_i o 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 (#1 oo PureThy.add_axioms) o map Comment.ignore;
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val add_axioms_i = (#1 oo PureThy.add_axioms_i) o map Comment.ignore;
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val add_defs = add_axms (#1 oo PureThy.add_defs) o map Comment.ignore;
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val add_defs_i = (#1 oo 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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   271
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   272
(* forward chaining *)
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fun gen_from_facts f = ProofHistory.apply o (Proof.chain oo curry f ("", []));
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   276
fun add_thmss name atts ths_atts state =
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   277
  Proof.have_thmss (Proof.the_facts state) name atts ths_atts state;
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   278
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   279
val from_facts = gen_from_facts (local_have_thmss (Proof.have_thmss [])) o Comment.ignore;
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val from_facts_i = gen_from_facts (gen_have_thmss_i (Proof.have_thmss [])) o Comment.ignore;
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val with_facts = gen_from_facts (local_have_thmss add_thmss) o Comment.ignore;
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val with_facts_i = gen_from_facts (gen_have_thmss_i add_thmss) o Comment.ignore;
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   283
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   284
fun chain comment_ignore = ProofHistory.apply Proof.chain;
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wenzelm@5830
   286
wenzelm@5830
   287
(* context *)
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   288
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val fix = ProofHistory.apply o Proof.fix o map Comment.ignore;
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val fix_i = ProofHistory.apply o Proof.fix_i o map Comment.ignore;
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val let_bind = ProofHistory.apply o Proof.let_bind o map Comment.ignore;
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val let_bind_i = ProofHistory.apply o Proof.let_bind_i o map Comment.ignore;
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fun invoke_case ((name, src), comment_ignore) = ProofHistory.apply (fn state =>
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  Proof.invoke_case (name, map (Attrib.local_attribute (Proof.theory_of state)) src) state);
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val invoke_case_i = ProofHistory.apply o Proof.invoke_case o Comment.ignore;
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   297
wenzelm@5830
   298
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   299
(* statements *)
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   300
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   301
local
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   303
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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   306
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   307
fun global_statement_i f (name, atts, t) int thy =
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  ProofHistory.init (Toplevel.undo_limit int) (f name atts t thy);
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fun local_statement f g (name, src, s) = ProofHistory.apply (fn state =>
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  f name (map (Attrib.local_attribute (Proof.theory_of state)) src) s (g state));
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   313
fun local_statement_i f g (name, atts, t) = ProofHistory.apply (f name atts t o g);
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   314
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fun multi_local_attribute state (name, src, s) =
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  (name, map (Attrib.local_attribute (Proof.theory_of state)) src, s);
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   318
fun multi_statement f args = ProofHistory.apply (fn state =>
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   319
  f (map (multi_local_attribute state) args) state);
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   320
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   321
fun multi_statement_i f args = ProofHistory.apply (f args);
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   322
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   323
in
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   324
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   325
val theorem     = global_statement Proof.theorem o Comment.ignore;
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val theorem_i   = global_statement_i Proof.theorem_i o Comment.ignore;
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val lemma       = global_statement Proof.lemma o Comment.ignore;
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   328
val lemma_i     = global_statement_i Proof.lemma_i o Comment.ignore;
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   329
val assume      = multi_statement Proof.assume o map Comment.ignore;
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   330
val assume_i    = multi_statement_i Proof.assume_i o map Comment.ignore;
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   331
val presume     = multi_statement Proof.presume o map Comment.ignore;
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   332
val presume_i   = multi_statement_i Proof.presume_i o map Comment.ignore;
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   333
val local_def   = local_statement LocalDefs.def I o Comment.ignore;
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   334
val local_def_i = local_statement LocalDefs.def_i I o Comment.ignore;
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   335
val show        = local_statement (Proof.show Seq.single) I o Comment.ignore;
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   336
val show_i      = local_statement_i (Proof.show_i Seq.single) I o Comment.ignore;
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   337
val have        = local_statement (Proof.have Seq.single) I o Comment.ignore;
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   338
val have_i      = local_statement_i (Proof.have_i Seq.single) I o Comment.ignore;
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   339
val thus        = local_statement (Proof.show Seq.single) Proof.chain o Comment.ignore;
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   340
val thus_i      = local_statement_i (Proof.show_i Seq.single) Proof.chain o Comment.ignore;
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   341
val hence       = local_statement (Proof.have Seq.single) Proof.chain o Comment.ignore;
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   342
val hence_i     = local_statement_i (Proof.have_i Seq.single) Proof.chain o Comment.ignore;
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   343
wenzelm@7271
   344
end;
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   345
wenzelm@5830
   346
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   347
(* blocks *)
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   348
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   349
val begin_block = ProofHistory.apply Proof.begin_block;
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val next_block = ProofHistory.apply Proof.next_block;
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   351
val end_block = ProofHistory.applys Proof.end_block;
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   352
wenzelm@5830
   353
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   354
(* shuffle state *)
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   355
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   356
fun shuffle meth i = Method.refine (Method.Basic (K (meth i))) o Proof.assert_no_chain;
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   357
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   358
fun defer (i, comment_ignore) = ProofHistory.applys (shuffle Method.defer i);
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   359
fun prefer (i, comment_ignore) = ProofHistory.applys (shuffle Method.prefer i);
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   360
wenzelm@8165
   361
wenzelm@5830
   362
(* backward steps *)
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   363
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   364
fun apply (m, comment_ignore) = ProofHistory.applys (Method.refine m o Proof.assert_backward);
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   365
fun apply_end (m, comment_ignore) =
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   366
  ProofHistory.applys (Method.refine_end m o Proof.assert_forward);
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   367
wenzelm@7002
   368
val proof = ProofHistory.applys o Method.proof o
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   369
  apsome Comment.ignore_interest o Comment.ignore_interest' o Comment.ignore;
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   370
wenzelm@6404
   371
wenzelm@6732
   372
(* print result *)
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   373
wenzelm@7572
   374
local
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   375
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   376
fun pretty_result {kind, name, thm} =
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   377
  Pretty.block [Pretty.str (kind ^ (if name = "" then "" else " " ^ name) ^ ":"),
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   378
    Pretty.fbrk, Proof.pretty_thm thm];
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   379
wenzelm@6986
   380
fun pretty_rule thm =
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   381
  Pretty.block [Pretty.str "trying to solve goal by rule:", Pretty.fbrk, Proof.pretty_thm thm];
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   382
wenzelm@7572
   383
in
wenzelm@7572
   384
wenzelm@6732
   385
val print_result = Pretty.writeln o pretty_result;
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   386
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   387
fun cond_print_result_rule int =
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   388
  if int then (print_result, Pretty.writeln o pretty_rule)
wenzelm@6986
   389
  else (K (), K ());
wenzelm@6986
   390
wenzelm@6986
   391
fun proof'' f = Toplevel.proof' (f o cond_print_result_rule);
wenzelm@6732
   392
wenzelm@7572
   393
end;
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   394
wenzelm@6732
   395
wenzelm@6404
   396
(* local endings *)
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   397
wenzelm@6728
   398
val local_qed =
wenzelm@6904
   399
  proof'' o (ProofHistory.applys oo Method.local_qed) o apsome Comment.ignore_interest;
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   400
wenzelm@6937
   401
fun ignore_interests (x, y) = (Comment.ignore_interest x, apsome Comment.ignore_interest y);
wenzelm@6937
   402
wenzelm@6688
   403
val local_terminal_proof =
wenzelm@6937
   404
  proof'' o (ProofHistory.applys oo Method.local_terminal_proof) o ignore_interests;
wenzelm@6728
   405
wenzelm@6904
   406
val local_immediate_proof = proof'' (ProofHistory.applys o Method.local_immediate_proof);
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   407
val local_default_proof = proof'' (ProofHistory.applys o Method.local_default_proof);
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   408
val local_skip_proof = proof'' (ProofHistory.applys o SkipProof.local_skip_proof);
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   409
wenzelm@6404
   410
wenzelm@6404
   411
(* global endings *)
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   412
wenzelm@6404
   413
fun global_result finish = Toplevel.proof_to_theory (fn prf =>
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   414
  let
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   415
    val state = ProofHistory.current prf;
wenzelm@6404
   416
    val _ = if Proof.at_bottom state then () else raise Toplevel.UNDEF;
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   417
    val (thy, res as {kind, name, thm}) = finish state;
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   418
  in print_result res; Context.setmp (Some thy) (Present.result kind name) thm; thy end);
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   419
wenzelm@6952
   420
val global_qed = global_result o Method.global_qed o apsome Comment.ignore_interest;
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   421
val global_terminal_proof = global_result o Method.global_terminal_proof o ignore_interests;
wenzelm@6404
   422
val global_immediate_proof = global_result Method.global_immediate_proof;
wenzelm@6404
   423
val global_default_proof = global_result Method.global_default_proof;
wenzelm@6888
   424
val global_skip_proof = global_result SkipProof.global_skip_proof;
wenzelm@6404
   425
wenzelm@6404
   426
wenzelm@6404
   427
(* common endings *)
wenzelm@6404
   428
wenzelm@7002
   429
fun qed (meth, comment) = local_qed meth o global_qed meth;
wenzelm@7002
   430
fun terminal_proof (meths, comment) = local_terminal_proof meths o global_terminal_proof meths;
wenzelm@7002
   431
fun immediate_proof comment = local_immediate_proof o global_immediate_proof;
wenzelm@7002
   432
fun default_proof comment = local_default_proof o global_default_proof;
wenzelm@7002
   433
fun skip_proof comment = local_skip_proof o global_skip_proof;
wenzelm@5830
   434
wenzelm@8210
   435
fun forget_proof comment = Toplevel.proof_to_theory (Proof.theory_of o ProofHistory.current);
wenzelm@8210
   436
wenzelm@5830
   437
wenzelm@6774
   438
(* calculational proof commands *)
wenzelm@6774
   439
wenzelm@6879
   440
local
wenzelm@6879
   441
wenzelm@7417
   442
fun cond_print_calc int thms =
wenzelm@7417
   443
  if int then Pretty.writeln (Pretty.big_list "calculation:" (map Proof.pretty_thm thms))
wenzelm@6774
   444
  else ();
wenzelm@6774
   445
wenzelm@6774
   446
fun proof''' f = Toplevel.proof' (f o cond_print_calc);
wenzelm@6774
   447
wenzelm@6879
   448
fun gen_calc get f (args, _) prt state =
wenzelm@6879
   449
  f (apsome (fn (srcs, _) => get srcs state) args) prt state;
wenzelm@6879
   450
wenzelm@6879
   451
in
wenzelm@6879
   452
wenzelm@7012
   453
fun get_thmss srcs = Proof.the_facts o local_have_thmss (Proof.have_thmss []) (("", []), srcs); 
wenzelm@7012
   454
fun get_thmss_i thms _ = thms;
wenzelm@7012
   455
wenzelm@6879
   456
fun also x = proof''' (ProofHistory.applys o gen_calc get_thmss Calculation.also x);
wenzelm@6879
   457
fun also_i x = proof''' (ProofHistory.applys o gen_calc get_thmss_i Calculation.also x);
wenzelm@6879
   458
fun finally x = proof''' (ProofHistory.applys o gen_calc get_thmss Calculation.finally x);
wenzelm@6879
   459
fun finally_i x = proof''' (ProofHistory.applys o gen_calc get_thmss_i Calculation.finally x);
wenzelm@8562
   460
fun moreover comment = proof''' (ProofHistory.apply o Calculation.moreover);
wenzelm@8588
   461
fun ultimately comment = proof''' (ProofHistory.apply o Calculation.ultimately);
wenzelm@6879
   462
wenzelm@6879
   463
end;
wenzelm@6774
   464
wenzelm@6774
   465
wenzelm@5830
   466
(* translation functions *)
wenzelm@5830
   467
wenzelm@5830
   468
val parse_ast_translation =
wenzelm@8349
   469
  Context.use_let "parse_ast_translation: (string * (Syntax.ast list -> Syntax.ast)) list"
wenzelm@5830
   470
    "Theory.add_trfuns (parse_ast_translation, [], [], [])";
wenzelm@5830
   471
wenzelm@5830
   472
val parse_translation =
wenzelm@8349
   473
  Context.use_let "parse_translation: (string * (term list -> term)) list"
wenzelm@5830
   474
    "Theory.add_trfuns ([], parse_translation, [], [])";
wenzelm@5830
   475
wenzelm@5830
   476
val print_translation =
wenzelm@8349
   477
  Context.use_let "print_translation: (string * (term list -> term)) list"
wenzelm@5830
   478
    "Theory.add_trfuns ([], [], print_translation, [])";
wenzelm@5830
   479
wenzelm@5830
   480
val print_ast_translation =
wenzelm@8349
   481
  Context.use_let "print_ast_translation: (string * (Syntax.ast list -> Syntax.ast)) list"
wenzelm@5830
   482
    "Theory.add_trfuns ([], [], [], print_ast_translation)";
wenzelm@5830
   483
wenzelm@5830
   484
val typed_print_translation =
wenzelm@8349
   485
  Context.use_let "typed_print_translation: (string * (bool -> typ -> term list -> term)) list"
wenzelm@5830
   486
    "Theory.add_trfunsT typed_print_translation";
wenzelm@5830
   487
wenzelm@5830
   488
val token_translation =
wenzelm@8349
   489
  Context.use_let "token_translation: (string * string * (string -> string * int)) list"
wenzelm@5830
   490
    "Theory.add_tokentrfuns token_translation";
wenzelm@5830
   491
wenzelm@5830
   492
wenzelm@5830
   493
(* add_oracle *)
wenzelm@5830
   494
wenzelm@6728
   495
fun add_oracle ((name, txt), comment_ignore) =
wenzelm@8349
   496
  Context.use_let
wenzelm@5830
   497
    "oracle: bstring * (Sign.sg * Object.T -> term)"
wenzelm@5830
   498
    "Theory.add_oracle oracle"
wenzelm@5830
   499
    ("(" ^ quote name ^ ", " ^ txt ^ ")");
wenzelm@5830
   500
wenzelm@5830
   501
wenzelm@6688
   502
(* theory init and exit *)
wenzelm@5830
   503
wenzelm@7242
   504
fun gen_begin_theory bg name parents files =
wenzelm@6266
   505
  let
wenzelm@6331
   506
    val paths = map (apfst Path.unpack) files;
wenzelm@7242
   507
    val thy = bg name parents paths;
berghofe@6650
   508
  in Present.begin_theory name parents paths thy end;
wenzelm@5830
   509
wenzelm@7242
   510
val begin_theory = gen_begin_theory ThyInfo.begin_theory;
wenzelm@7242
   511
val begin_update_theory = gen_begin_theory ThyInfo.begin_update_theory;
wenzelm@7909
   512
wenzelm@7909
   513
fun end_theory thy =
wenzelm@7932
   514
  if ThyInfo.check_known_thy (PureThy.get_name thy) then ThyInfo.end_theory thy
wenzelm@7909
   515
  else thy;
wenzelm@7909
   516
wenzelm@7932
   517
val kill_theory = ThyInfo.if_known_thy ThyInfo.remove_thy;
wenzelm@6688
   518
wenzelm@7103
   519
wenzelm@7103
   520
fun bg_theory (name, parents, files) int =
wenzelm@7242
   521
  (if int then begin_update_theory else begin_theory) name parents files;
wenzelm@7103
   522
wenzelm@6331
   523
fun en_theory thy = (end_theory thy; ());
wenzelm@6331
   524
wenzelm@7932
   525
fun theory spec = Toplevel.init_theory (bg_theory spec) en_theory (kill_theory o PureThy.get_name);
wenzelm@6246
   526
wenzelm@6246
   527
wenzelm@6246
   528
(* context switch *)
wenzelm@6246
   529
wenzelm@7960
   530
fun fetch_context f x =
wenzelm@7960
   531
  (case Context.pass None f x of
wenzelm@7960
   532
    ((), None) => raise Toplevel.UNDEF
wenzelm@7960
   533
  | ((), Some thy) => thy);
wenzelm@7960
   534
wenzelm@7960
   535
fun init_context f x = Toplevel.init_theory (fn _ => fetch_context f x) (K ()) (K ());
wenzelm@7953
   536
wenzelm@7953
   537
val context = init_context (ThyInfo.quiet_update_thy true);
wenzelm@6246
   538
wenzelm@5830
   539
wenzelm@5830
   540
end;