src/Pure/Isar/isar_thy.ML
author wenzelm
Wed Nov 28 23:31:47 2001 +0100 (2001-11-28 ago)
changeset 12318 72348ff7d4a0
parent 12271 37b9c807b461
child 12589 afc6ffffeb11
permissions -rw-r--r--
skip_proof: do not require quick_and_dirty in interactive mode;
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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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    License:    GPL (GNU GENERAL PUBLIC LICENSE)
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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 global_path: Comment.text -> theory -> theory
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  val local_path: Comment.text -> theory -> theory
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  val hide_space: (string * xstring list) * Comment.text -> theory -> theory
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  val hide_space_i: (string * string list) * Comment.text -> theory -> theory
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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: string * 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 * string list * string) * 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: bool * (((bstring * string) * Args.src list) * Comment.text) list
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    -> theory -> theory
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  val add_defs_i: bool * (((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 declare_theorems: (xstring * Args.src list) list * Comment.text -> theory -> theory
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  val declare_theorems_i: (thm * theory attribute list) list * Comment.text -> theory -> theory
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  val have_theorems: string ->
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    (((bstring * Args.src list) * (xstring * Args.src list) list) * Comment.text) list
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    -> theory -> theory
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  val have_theorems_i:  string ->
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    (((bstring * theory attribute list) * (thm * theory attribute list) list)
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    * Comment.text) list -> theory -> theory
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  val have_facts: (((string * Args.src list) * (string * Args.src list) list) * Comment.text) list
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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) list
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    -> ProofHistory.T -> ProofHistory.T
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  val from_facts: ((string * Args.src list) list * Comment.text) list
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    -> ProofHistory.T -> ProofHistory.T
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  val from_facts_i: ((thm * Proof.context attribute list) list * Comment.text) list
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    -> ProofHistory.T -> ProofHistory.T
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  val with_facts: ((string * Args.src list) list * Comment.text) list
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    -> ProofHistory.T -> ProofHistory.T
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  val with_facts_i: ((thm * Proof.context attribute list) list * Comment.text) list
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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 * string option list * Args.src list) * Comment.text
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    -> ProofHistory.T -> ProofHistory.T
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  val invoke_case_i: (string * string option list * Proof.context attribute list) * Comment.text
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    -> ProofHistory.T -> ProofHistory.T
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  val theorem: string -> (xstring * Args.src list) option * Args.src Locale.element list
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    -> ((bstring * Args.src list) * (string * (string list * string list))) * Comment.text
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    -> bool -> theory -> ProofHistory.T
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  val theorem_i: string -> (string * Proof.context attribute list) option
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    * Proof.context attribute Locale.element_i list
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    -> ((bstring * Theory.theory Thm.attribute list) *
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      (Term.term * (Term.term list * Term.term list))) * Comment.text
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    -> bool -> theory -> ProofHistory.T
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  val multi_theorem: string -> (bstring * Args.src list)
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    -> (xstring * Args.src list) option * Args.src Locale.element list
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    -> (((bstring * Args.src list) * (string * (string list * string list)) list)
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    * Comment.text) list -> bool -> theory -> ProofHistory.T
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  val multi_theorem_i: string -> (bstring * theory attribute list)
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    -> (string * Proof.context attribute list) option
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      * Proof.context attribute Locale.element_i list ->
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    (((bstring * Theory.theory Thm.attribute list) *
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      (Term.term * (Term.term list * Term.term list)) list) * Comment.text) list
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    -> 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 have: (((string * Args.src list) *
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    (string * (string list * string list)) list) * Comment.text) list
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    -> ProofHistory.T -> ProofHistory.T
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  val have_i: (((string * Proof.context Thm.attribute list) *
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    (Term.term * (Term.term list * Term.term list)) list) * Comment.text) list
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    -> ProofHistory.T -> ProofHistory.T
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  val hence: (((string * Args.src list) *
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    (string * (string list * string list)) list) * Comment.text) list
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    -> ProofHistory.T -> ProofHistory.T
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  val hence_i: (((string * Proof.context Thm.attribute list) *
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    (Term.term * (Term.term list * Term.term list)) list) * Comment.text) list
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    -> ProofHistory.T -> ProofHistory.T
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  val show: (((string * Args.src list) *
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    (string * (string list * string list)) list) * Comment.text) list
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    -> bool -> ProofHistory.T -> ProofHistory.T
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  val show_i: (((string * Proof.context Thm.attribute list) *
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    (Term.term * (Term.term list * Term.term list)) list) * Comment.text) list
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    -> bool -> ProofHistory.T -> ProofHistory.T
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  val thus: (((string * Args.src list) *
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    (string * (string list * string list)) list) * Comment.text) list
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    -> bool -> ProofHistory.T -> ProofHistory.T
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  val thus_i: (((string * Proof.context Thm.attribute list) *
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    (Term.term * (Term.term list * Term.term list)) list) * Comment.text) list
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    -> bool -> ProofHistory.T -> ProofHistory.T
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  val local_def: ((string * Args.src list) * (string * (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 * (term * term list)))
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    * Comment.text -> ProofHistory.T -> ProofHistory.T
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  val obtain: ((string list * string option) * Comment.text) list
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    * (((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 obtain_i: ((string list * typ option) * Comment.text) list
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    * (((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 begin_block: Comment.text -> ProofHistory.T -> ProofHistory.T
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  val next_block: Comment.text -> ProofHistory.T -> ProofHistory.T
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  val end_block: Comment.text -> 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 default_proof: Comment.text -> Toplevel.transition -> Toplevel.transition
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  val immediate_proof: Comment.text -> Toplevel.transition -> Toplevel.transition
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  val done_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 * Comment.text -> theory -> theory
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  val parse_translation: string * Comment.text -> theory -> theory
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  val print_translation: string * Comment.text -> theory -> theory
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  val typed_print_translation: string * Comment.text -> theory -> theory
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  val print_ast_translation: string * Comment.text -> theory -> theory
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  val token_translation: string * Comment.text -> theory -> theory
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  val method_setup: (bstring * string * string) * Comment.text -> theory -> theory
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  val add_oracle: (bstring * string) * Comment.text -> theory -> theory
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  val add_locale: bstring * Locale.expr * (Args.src Locale.element * Comment.text) list
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    -> 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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(* name spaces *)
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fun global_path comment_ignore = PureThy.global_path;
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fun local_path comment_ignore = PureThy.local_path;
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local
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val kinds =
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 [(Sign.classK, can o Sign.certify_class),
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  (Sign.typeK, fn sg => fn c =>
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    can (Sign.certify_tycon sg) c orelse can (Sign.certify_tyabbr sg) c),
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  (Sign.constK, can o Sign.certify_const)];
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fun gen_hide intern ((kind, xnames), comment_ignore) thy =
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  (case assoc (kinds, kind) of
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    Some check =>
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      let
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        val sg = Theory.sign_of thy;
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        val names = map (intern sg kind) xnames;
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        val bads = filter_out (check sg) names;
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      in
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        if null bads then Theory.hide_space_i (kind, names) thy
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        else error ("Attempt to hide undeclared item(s): " ^ commas_quote bads)
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      end
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  | None => error ("Bad name space specification: " ^ quote kind));
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in
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fun hide_space x = gen_hide Sign.intern x;
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fun hide_space_i x = gen_hide (K (K I)) x;
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end;
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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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   276
val add_tyabbrs_i = Theory.add_tyabbrs_i o map Comment.ignore;
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   277
val add_arities = Theory.add_arities o map Comment.ignore;
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   278
val add_arities_i = Theory.add_arities_i o map Comment.ignore;
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   279
val add_typedecl = PureThy.add_typedecls o single o Comment.ignore;
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   280
val add_consts = Theory.add_consts o map Comment.ignore;
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   281
val add_consts_i = Theory.add_consts_i o map Comment.ignore;
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   282
fun add_modesyntax mode = Theory.add_modesyntax mode o map Comment.ignore;
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   283
fun add_modesyntax_i mode = Theory.add_modesyntax_i mode o map Comment.ignore;
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   284
val add_trrules = Theory.add_trrules o map Comment.ignore;
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   285
val add_trrules_i = Theory.add_trrules_i o map Comment.ignore;
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   286
val add_judgment = ObjectLogic.add_judgment o Comment.ignore;
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   287
val add_judgment_i = ObjectLogic.add_judgment_i o Comment.ignore;
wenzelm@6728
   288
wenzelm@6728
   289
wenzelm@5830
   290
(* axioms and defs *)
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   291
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   292
fun add_axms f args thy =
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   293
  f (map (fn (x, srcs) => (x, map (Attrib.global_attribute thy) srcs)) args) thy;
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   294
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   295
val add_axioms = add_axms (#1 oo PureThy.add_axioms) o map Comment.ignore;
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   296
val add_axioms_i = (#1 oo PureThy.add_axioms_i) o map Comment.ignore;
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   297
fun add_defs (x, args) = add_axms (#1 oo PureThy.add_defs x) (map Comment.ignore args);
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   298
fun add_defs_i (x, args) = (#1 oo PureThy.add_defs_i x) (map Comment.ignore args);
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   299
wenzelm@6371
   300
wenzelm@6371
   301
(* constdefs *)
wenzelm@6371
   302
wenzelm@6371
   303
fun gen_add_constdefs consts defs args thy =
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   304
  thy
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   305
  |> consts (map (Comment.ignore o fst) args)
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   306
  |> defs (false, map (fn (((c, _, mx), _), (s, _)) =>
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   307
    (((Thm.def_name (Syntax.const_name c mx), s), []), Comment.none)) args);
wenzelm@6371
   308
wenzelm@6728
   309
fun add_constdefs args = gen_add_constdefs Theory.add_consts add_defs args;
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   310
fun add_constdefs_i args = gen_add_constdefs Theory.add_consts_i add_defs_i args;
wenzelm@5915
   311
wenzelm@5915
   312
wenzelm@5915
   313
(* theorems *)
wenzelm@5915
   314
wenzelm@9193
   315
fun prep_thmss get attrib = map (fn ((name, more_srcs), th_srcs) =>
wenzelm@9193
   316
  ((name, map attrib more_srcs), map (fn (s, srcs) => (get s, map attrib srcs)) th_srcs));
wenzelm@9193
   317
wenzelm@9193
   318
fun flat_unnamed (x, ys) = (x, flat (map snd ys));
wenzelm@11742
   319
fun cond_kind k = if k = "" then [] else [Drule.kind k];
wenzelm@5915
   320
wenzelm@9193
   321
fun global_have_thmss kind f args thy =
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   322
  let
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   323
    val args' = prep_thmss (PureThy.get_thms thy) (Attrib.global_attribute thy) args
wenzelm@11742
   324
    val (thy', named_thmss) = f (cond_kind kind) args' thy;
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   325
    fun present (name, thms) = Present.results (kind ^ "s") name thms;
wenzelm@9193
   326
  in
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   327
    if kind = "" orelse kind = Drule.internalK then ()
wenzelm@9193
   328
    else Context.setmp (Some thy') (fn () => seq present named_thmss) ();
wenzelm@9193
   329
    (thy', named_thmss)
wenzelm@7572
   330
  end;
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   331
wenzelm@9193
   332
fun local_have_thmss f args state =
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   333
  let
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   334
    val args' = prep_thmss (ProofContext.get_thms (Proof.context_of state))
wenzelm@9193
   335
      (Attrib.local_attribute (Proof.theory_of state)) args;
wenzelm@9193
   336
  in f args' state end;
wenzelm@6371
   337
wenzelm@9193
   338
fun gen_have_thmss_i f args = f (map (fn ((name, more_atts), th_atts) =>
wenzelm@9193
   339
  ((name, more_atts), map (apfst single) th_atts)) args);
wenzelm@5915
   340
wenzelm@9590
   341
fun apply_theorems th_srcs =
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   342
  flat_unnamed o global_have_thmss "" PureThy.have_thmss [(("", []), th_srcs)];
wenzelm@9590
   343
fun apply_theorems_i th_srcs =
wenzelm@9590
   344
  flat_unnamed o gen_have_thmss_i (PureThy.have_thmss []) [(("", []), th_srcs)];
wenzelm@9590
   345
wenzelm@9590
   346
val declare_theorems = #1 oo (apply_theorems o Comment.ignore);
wenzelm@9590
   347
val declare_theorems_i = #1 oo (apply_theorems_i o Comment.ignore);
wenzelm@9590
   348
wenzelm@11742
   349
fun have_theorems kind =
wenzelm@11742
   350
  #1 oo (global_have_thmss kind PureThy.have_thmss o map Comment.ignore);
wenzelm@11742
   351
fun have_theorems_i kind =
wenzelm@11742
   352
  #1 oo (gen_have_thmss_i (PureThy.have_thmss (cond_kind kind)) o map Comment.ignore);
wenzelm@9590
   353
wenzelm@9193
   354
val have_facts = ProofHistory.apply o local_have_thmss Proof.have_thmss o map Comment.ignore;
wenzelm@9193
   355
val have_facts_i = ProofHistory.apply o gen_have_thmss_i Proof.have_thmss o map Comment.ignore;
wenzelm@6371
   356
wenzelm@5915
   357
wenzelm@6371
   358
(* forward chaining *)
wenzelm@6371
   359
wenzelm@9193
   360
fun gen_from_facts f args = ProofHistory.apply (Proof.chain o f (map (pair ("", [])) args));
wenzelm@6371
   361
wenzelm@9193
   362
val from_facts = gen_from_facts (local_have_thmss Proof.have_thmss) o map Comment.ignore;
wenzelm@9193
   363
val from_facts_i = gen_from_facts (gen_have_thmss_i Proof.have_thmss) o map Comment.ignore;
wenzelm@9193
   364
val with_facts = gen_from_facts (local_have_thmss Proof.with_thmss) o map Comment.ignore;
wenzelm@9193
   365
val with_facts_i = gen_from_facts (gen_have_thmss_i Proof.with_thmss) o map Comment.ignore;
wenzelm@6879
   366
wenzelm@6728
   367
fun chain comment_ignore = ProofHistory.apply Proof.chain;
wenzelm@5830
   368
wenzelm@5830
   369
wenzelm@5830
   370
(* context *)
wenzelm@5830
   371
wenzelm@7417
   372
val fix = ProofHistory.apply o Proof.fix o map Comment.ignore;
wenzelm@7417
   373
val fix_i = ProofHistory.apply o Proof.fix_i o map Comment.ignore;
wenzelm@8615
   374
val let_bind = ProofHistory.apply o Proof.let_bind o map Comment.ignore;
wenzelm@8615
   375
val let_bind_i = ProofHistory.apply o Proof.let_bind_i o map Comment.ignore;
wenzelm@8450
   376
wenzelm@11793
   377
fun invoke_case ((name, xs, src), comment_ignore) = ProofHistory.apply (fn state =>
wenzelm@11793
   378
  Proof.invoke_case (name, xs, map (Attrib.local_attribute (Proof.theory_of state)) src) state);
wenzelm@8450
   379
val invoke_case_i = ProofHistory.apply o Proof.invoke_case o Comment.ignore;
wenzelm@5830
   380
wenzelm@5830
   381
wenzelm@10935
   382
(* local results *)
wenzelm@10935
   383
wenzelm@10935
   384
local
wenzelm@10935
   385
wenzelm@12244
   386
fun prt_fact ctxt ("", ths) = ProofContext.pretty_thms ctxt ths
wenzelm@12244
   387
  | prt_fact ctxt (name, ths) =
wenzelm@12244
   388
      Pretty.block [Pretty.str (name ^ ":"), Pretty.brk 1, ProofContext.pretty_thms ctxt ths];
wenzelm@12141
   389
wenzelm@12244
   390
fun prt_facts ctxt =
wenzelm@12244
   391
  flat o (separate [Pretty.fbrk, Pretty.str "and "]) o map (single o prt_fact ctxt);
wenzelm@12244
   392
wenzelm@12244
   393
fun pretty_results ctxt ((kind, ""), facts) =
wenzelm@12244
   394
      Pretty.block (Pretty.str kind :: Pretty.brk 1 :: prt_facts ctxt facts)
wenzelm@12244
   395
  | pretty_results ctxt ((kind, name), facts) = Pretty.blk (1,
wenzelm@12244
   396
      [Pretty.str (kind ^ " " ^ name ^ ":"), Pretty.fbrk,
wenzelm@12244
   397
        Pretty.blk (1, Pretty.str "(" :: prt_facts ctxt facts @ [Pretty.str ")"])]);
wenzelm@10935
   398
wenzelm@12055
   399
fun pretty_rule s ctxt thm =
wenzelm@10935
   400
  Pretty.block [Pretty.str (s ^ " to solve goal by exported rule:"),
wenzelm@12055
   401
    Pretty.fbrk, ProofContext.pretty_thm ctxt thm];
wenzelm@10935
   402
wenzelm@10935
   403
in
wenzelm@10935
   404
wenzelm@12244
   405
val print_result = Pretty.writeln oo pretty_results;
wenzelm@12244
   406
fun print_result' ctxt (k, res) = print_result ctxt ((k, ""), res);
wenzelm@10935
   407
wenzelm@10935
   408
fun cond_print_result_rule int =
wenzelm@12244
   409
  if int then (print_result', priority oo (Pretty.string_of oo pretty_rule "Attempt"))
wenzelm@12055
   410
  else (K (K ()), K (K ()));
wenzelm@10935
   411
wenzelm@10935
   412
fun proof'' f = Toplevel.proof' (f o cond_print_result_rule);
wenzelm@10935
   413
wenzelm@10935
   414
fun check_goal false state = state
wenzelm@10935
   415
  | check_goal true state =
wenzelm@10935
   416
      let
wenzelm@10935
   417
        val rule = ref (None: thm option);
wenzelm@10935
   418
        fun warn exn =
wenzelm@10935
   419
          (["Problem! Local statement will fail to solve any pending goal"] @
wenzelm@10935
   420
          (case exn of None => [] | Some e => [Toplevel.exn_message e]) @
wenzelm@10935
   421
          (case ! rule of None => [] | Some thm =>
wenzelm@12055
   422
            [Pretty.string_of (pretty_rule "Failed attempt" (Proof.context_of state) thm)]))
wenzelm@10935
   423
          |> cat_lines |> warning;
wenzelm@10935
   424
        val check =
wenzelm@12055
   425
          (fn () => Seq.pull (SkipProof.local_skip_proof (K (K ()),
wenzelm@12318
   426
            fn _ => fn thm => rule := Some thm) true state))
wenzelm@11932
   427
          |> Library.setmp proofs 0
wenzelm@10935
   428
          |> Library.transform_error;
wenzelm@10935
   429
        val result = (check (), None) handle Interrupt => raise Interrupt | e => (None, Some e);
wenzelm@10935
   430
      in (case result of (Some _, None) => () | (_, exn) => warn exn); state end;
wenzelm@12244
   431
wenzelm@10935
   432
end;
wenzelm@10935
   433
wenzelm@10935
   434
wenzelm@5830
   435
(* statements *)
wenzelm@5830
   436
wenzelm@7271
   437
local
wenzelm@7271
   438
wenzelm@12141
   439
fun global_attributes thy ((name, src), s) = ((name, map (Attrib.global_attribute thy) src), s);
wenzelm@6371
   440
wenzelm@12141
   441
fun global_statement f args int thy =
wenzelm@12141
   442
  ProofHistory.init (Toplevel.undo_limit int) (f (map (global_attributes thy) args) thy);
wenzelm@12141
   443
fun global_statement_i f args int thy = ProofHistory.init (Toplevel.undo_limit int) (f args thy);
wenzelm@10935
   444
wenzelm@12141
   445
fun local_attributes state ((name, src), s) =
wenzelm@10464
   446
  ((name, map (Attrib.local_attribute (Proof.theory_of state)) src), s);
wenzelm@8090
   447
wenzelm@12141
   448
fun local_statement' f g args int = ProofHistory.apply (fn state =>
wenzelm@12141
   449
  f (map (local_attributes state) args) int (g state));
wenzelm@12141
   450
fun local_statement_i' f g args int = ProofHistory.apply (f args int o g);
wenzelm@12141
   451
fun local_statement f g args = local_statement' (K o f) g args ();
wenzelm@12141
   452
fun local_statement_i f g args = local_statement_i' (K o f) g args ();
wenzelm@7271
   453
wenzelm@7271
   454
in
wenzelm@7271
   455
wenzelm@12242
   456
fun multi_theorem k a (locale, elems) args int thy =
wenzelm@12242
   457
  global_statement (Proof.multi_theorem k (apsnd (map (Attrib.global_attribute thy)) a)
wenzelm@12141
   458
    (apsome (apsnd (map (Attrib.local_attribute thy))) locale)
wenzelm@12141
   459
    (map (Locale.attribute (Attrib.local_attribute thy)) elems)) (map Comment.ignore args) int thy;
wenzelm@11742
   460
wenzelm@12242
   461
fun multi_theorem_i k a (locale, elems) =
wenzelm@12242
   462
  global_statement_i (Proof.multi_theorem_i k a locale elems) o map Comment.ignore;
wenzelm@12141
   463
wenzelm@12242
   464
fun theorem k loc ((a, t), cmt) = multi_theorem k a loc [((("", []), [t]), cmt)];
wenzelm@12242
   465
fun theorem_i k loc ((a, t), cmt) = multi_theorem_i k a loc [((("", []), [t]), cmt)];
wenzelm@11742
   466
wenzelm@12141
   467
val assume      = local_statement Proof.assume I o map Comment.ignore;
wenzelm@12141
   468
val assume_i    = local_statement_i Proof.assume_i I o map Comment.ignore;
wenzelm@12141
   469
val presume     = local_statement Proof.presume I o map Comment.ignore;
wenzelm@12141
   470
val presume_i   = local_statement_i Proof.presume_i I o map Comment.ignore;
wenzelm@12141
   471
val have        = local_statement (Proof.have Seq.single) I o map Comment.ignore;
wenzelm@12141
   472
val have_i      = local_statement_i (Proof.have_i Seq.single) I o map Comment.ignore;
wenzelm@12141
   473
val hence       = local_statement (Proof.have Seq.single) Proof.chain o map Comment.ignore;
wenzelm@12141
   474
val hence_i     = local_statement_i (Proof.have_i Seq.single) Proof.chain o map Comment.ignore;
wenzelm@12141
   475
val show        = local_statement' (Proof.show check_goal Seq.single) I o map Comment.ignore;
wenzelm@12141
   476
val show_i      = local_statement_i' (Proof.show_i check_goal Seq.single) I o map Comment.ignore;
wenzelm@12141
   477
val thus = local_statement' (Proof.show check_goal Seq.single) Proof.chain o map Comment.ignore;
wenzelm@12141
   478
val thus_i = local_statement_i' (Proof.show_i check_goal Seq.single) Proof.chain o map Comment.ignore;
wenzelm@12141
   479
wenzelm@12141
   480
fun gen_def f ((name, srcs), def) = ProofHistory.apply (fn state =>
wenzelm@12141
   481
  f name (map (Attrib.local_attribute (Proof.theory_of state)) srcs) def state);
wenzelm@12141
   482
wenzelm@12141
   483
val local_def = gen_def Proof.def o Comment.ignore;
wenzelm@12141
   484
val local_def_i = gen_def Proof.def_i o Comment.ignore;
wenzelm@5830
   485
wenzelm@11890
   486
fun obtain (xs, asms) = ProofHistory.applys (fn state =>
wenzelm@11890
   487
  Obtain.obtain (map Comment.ignore xs)
wenzelm@12141
   488
    (map (local_attributes state) (map Comment.ignore asms)) state);
wenzelm@11890
   489
wenzelm@11890
   490
fun obtain_i (xs, asms) = ProofHistory.applys (fn state =>
wenzelm@11890
   491
  Obtain.obtain_i (map Comment.ignore xs) (map Comment.ignore asms) state);
wenzelm@11890
   492
wenzelm@7271
   493
end;
wenzelm@7271
   494
wenzelm@5830
   495
wenzelm@5830
   496
(* blocks *)
wenzelm@5830
   497
wenzelm@9032
   498
fun begin_block comment_ignore = ProofHistory.apply Proof.begin_block;
wenzelm@9032
   499
fun next_block comment_ignore = ProofHistory.apply Proof.next_block;
wenzelm@9032
   500
fun end_block comment_ignore = ProofHistory.applys Proof.end_block;
wenzelm@5830
   501
wenzelm@5830
   502
wenzelm@8165
   503
(* shuffle state *)
wenzelm@8165
   504
wenzelm@8236
   505
fun shuffle meth i = Method.refine (Method.Basic (K (meth i))) o Proof.assert_no_chain;
wenzelm@8204
   506
wenzelm@8681
   507
fun defer (i, comment_ignore) = ProofHistory.applys (shuffle Method.defer i);
wenzelm@8681
   508
fun prefer (i, comment_ignore) = ProofHistory.applys (shuffle Method.prefer i);
wenzelm@8165
   509
wenzelm@8165
   510
wenzelm@5830
   511
(* backward steps *)
wenzelm@5830
   512
wenzelm@8881
   513
fun apply (m, comment_ignore) = ProofHistory.applys
wenzelm@8881
   514
  (Seq.map (Proof.goal_facts (K [])) o Method.refine m o Proof.assert_backward);
wenzelm@8881
   515
wenzelm@8881
   516
fun apply_end (m, comment_ignore) = ProofHistory.applys
wenzelm@8881
   517
  (Method.refine_end m o Proof.assert_forward);
wenzelm@6728
   518
wenzelm@7002
   519
val proof = ProofHistory.applys o Method.proof o
wenzelm@7002
   520
  apsome Comment.ignore_interest o Comment.ignore_interest' o Comment.ignore;
wenzelm@6404
   521
wenzelm@6404
   522
wenzelm@6404
   523
(* local endings *)
wenzelm@6404
   524
wenzelm@6728
   525
val local_qed =
wenzelm@8966
   526
  proof'' o (ProofHistory.applys oo Method.local_qed true) o apsome Comment.ignore_interest;
wenzelm@6728
   527
wenzelm@6937
   528
fun ignore_interests (x, y) = (Comment.ignore_interest x, apsome Comment.ignore_interest y);
wenzelm@6937
   529
wenzelm@6688
   530
val local_terminal_proof =
wenzelm@6937
   531
  proof'' o (ProofHistory.applys oo Method.local_terminal_proof) o ignore_interests;
wenzelm@6728
   532
wenzelm@8966
   533
val local_default_proof = proof'' (ProofHistory.applys o Method.local_default_proof);
wenzelm@6904
   534
val local_immediate_proof = proof'' (ProofHistory.applys o Method.local_immediate_proof);
wenzelm@8966
   535
val local_done_proof = proof'' (ProofHistory.applys o Method.local_done_proof);
wenzelm@12318
   536
val local_skip_proof = Toplevel.proof' (fn int =>
wenzelm@12318
   537
  ProofHistory.applys (SkipProof.local_skip_proof (cond_print_result_rule int) int));
wenzelm@6404
   538
wenzelm@6404
   539
wenzelm@6404
   540
(* global endings *)
wenzelm@6404
   541
wenzelm@12318
   542
fun global_result finish = Toplevel.proof_to_theory' (fn int => fn prf =>
wenzelm@6404
   543
  let
wenzelm@6404
   544
    val state = ProofHistory.current prf;
wenzelm@6404
   545
    val _ = if Proof.at_bottom state then () else raise Toplevel.UNDEF;
wenzelm@12318
   546
    val (thy, ((kind, name), res)) = finish int state;
wenzelm@11742
   547
  in
wenzelm@11742
   548
    if kind = "" orelse kind = Drule.internalK then ()
wenzelm@12244
   549
    else (print_result (Proof.context_of state) ((kind, name), res);
wenzelm@12141
   550
      Context.setmp (Some thy) Present.multi_result (kind, res));
wenzelm@11742
   551
    thy
wenzelm@11742
   552
  end);
wenzelm@6404
   553
wenzelm@12318
   554
fun global_qed m = global_result (K (Method.global_qed true (apsome Comment.ignore_interest m)));
wenzelm@12318
   555
fun global_terminal_proof m =
wenzelm@12318
   556
  global_result (K (Method.global_terminal_proof (ignore_interests m)));
wenzelm@12318
   557
val global_default_proof = global_result (K Method.global_default_proof);
wenzelm@12318
   558
val global_immediate_proof = global_result (K Method.global_immediate_proof);
wenzelm@6888
   559
val global_skip_proof = global_result SkipProof.global_skip_proof;
wenzelm@12318
   560
val global_done_proof = global_result (K Method.global_done_proof);
wenzelm@6404
   561
wenzelm@6404
   562
wenzelm@6404
   563
(* common endings *)
wenzelm@6404
   564
wenzelm@7002
   565
fun qed (meth, comment) = local_qed meth o global_qed meth;
wenzelm@7002
   566
fun terminal_proof (meths, comment) = local_terminal_proof meths o global_terminal_proof meths;
wenzelm@8966
   567
fun default_proof comment = local_default_proof o global_default_proof;
wenzelm@7002
   568
fun immediate_proof comment = local_immediate_proof o global_immediate_proof;
wenzelm@8966
   569
fun done_proof comment = local_done_proof o global_done_proof;
wenzelm@7002
   570
fun skip_proof comment = local_skip_proof o global_skip_proof;
wenzelm@5830
   571
wenzelm@8210
   572
fun forget_proof comment = Toplevel.proof_to_theory (Proof.theory_of o ProofHistory.current);
wenzelm@8210
   573
wenzelm@5830
   574
wenzelm@6774
   575
(* calculational proof commands *)
wenzelm@6774
   576
wenzelm@6879
   577
local
wenzelm@6879
   578
wenzelm@12055
   579
fun cond_print_calc int ctxt thms =
wenzelm@12055
   580
  if int then
wenzelm@12055
   581
    Pretty.writeln (Pretty.big_list "calculation:" (map (ProofContext.pretty_thm ctxt) thms))
wenzelm@6774
   582
  else ();
wenzelm@6774
   583
wenzelm@6774
   584
fun proof''' f = Toplevel.proof' (f o cond_print_calc);
wenzelm@6774
   585
wenzelm@6879
   586
fun gen_calc get f (args, _) prt state =
wenzelm@6879
   587
  f (apsome (fn (srcs, _) => get srcs state) args) prt state;
wenzelm@6879
   588
wenzelm@6879
   589
in
wenzelm@6879
   590
wenzelm@9193
   591
fun get_thmss srcs = Proof.the_facts o local_have_thmss Proof.have_thmss [(("", []), srcs)];
wenzelm@7012
   592
fun get_thmss_i thms _ = thms;
wenzelm@7012
   593
wenzelm@6879
   594
fun also x = proof''' (ProofHistory.applys o gen_calc get_thmss Calculation.also x);
wenzelm@6879
   595
fun also_i x = proof''' (ProofHistory.applys o gen_calc get_thmss_i Calculation.also x);
wenzelm@6879
   596
fun finally x = proof''' (ProofHistory.applys o gen_calc get_thmss Calculation.finally x);
wenzelm@6879
   597
fun finally_i x = proof''' (ProofHistory.applys o gen_calc get_thmss_i Calculation.finally x);
wenzelm@8562
   598
fun moreover comment = proof''' (ProofHistory.apply o Calculation.moreover);
wenzelm@8588
   599
fun ultimately comment = proof''' (ProofHistory.apply o Calculation.ultimately);
wenzelm@6879
   600
wenzelm@6879
   601
end;
wenzelm@6774
   602
wenzelm@6774
   603
wenzelm@5830
   604
(* translation functions *)
wenzelm@5830
   605
wenzelm@5830
   606
val parse_ast_translation =
wenzelm@9590
   607
  Context.use_let "val parse_ast_translation: (string * (Syntax.ast list -> Syntax.ast)) list"
wenzelm@9273
   608
    "Theory.add_trfuns (parse_ast_translation, [], [], [])" o Comment.ignore;
wenzelm@5830
   609
wenzelm@5830
   610
val parse_translation =
wenzelm@9590
   611
  Context.use_let "val parse_translation: (string * (term list -> term)) list"
wenzelm@9273
   612
    "Theory.add_trfuns ([], parse_translation, [], [])" o Comment.ignore;
wenzelm@5830
   613
wenzelm@5830
   614
val print_translation =
wenzelm@9590
   615
  Context.use_let "val print_translation: (string * (term list -> term)) list"
wenzelm@9273
   616
    "Theory.add_trfuns ([], [], print_translation, [])" o Comment.ignore;
wenzelm@5830
   617
wenzelm@5830
   618
val print_ast_translation =
wenzelm@9590
   619
  Context.use_let "val print_ast_translation: (string * (Syntax.ast list -> Syntax.ast)) list"
wenzelm@9273
   620
    "Theory.add_trfuns ([], [], [], print_ast_translation)" o Comment.ignore;
wenzelm@5830
   621
wenzelm@5830
   622
val typed_print_translation =
wenzelm@9590
   623
  Context.use_let "val typed_print_translation: (string * (bool -> typ -> term list -> term)) list"
wenzelm@9273
   624
    "Theory.add_trfunsT typed_print_translation" o Comment.ignore;
wenzelm@5830
   625
wenzelm@5830
   626
val token_translation =
berghofe@11717
   627
  Context.use_let "val token_translation: (string * string * (string -> string * real)) list"
wenzelm@9273
   628
    "Theory.add_tokentrfuns token_translation" o Comment.ignore;
wenzelm@5830
   629
wenzelm@5830
   630
wenzelm@9193
   631
(* add method *)
wenzelm@9193
   632
wenzelm@9193
   633
fun method_setup ((name, txt, cmt), comment_ignore) =
wenzelm@9193
   634
  Context.use_let
wenzelm@9810
   635
    "val thm = PureThy.get_thm_closure (Context.the_context ());\n\
wenzelm@9810
   636
    \val thms = PureThy.get_thms_closure (Context.the_context ());\n\
wenzelm@9810
   637
    \val method: bstring * (Args.src -> Proof.context -> Proof.method) * string"
wenzelm@9193
   638
    "PureIsar.Method.add_method method"
wenzelm@9193
   639
    ("(" ^ quote name ^ ", " ^ txt ^ ", " ^ quote cmt ^ ")");
wenzelm@9193
   640
wenzelm@9193
   641
wenzelm@5830
   642
(* add_oracle *)
wenzelm@5830
   643
wenzelm@6728
   644
fun add_oracle ((name, txt), comment_ignore) =
wenzelm@8349
   645
  Context.use_let
wenzelm@9590
   646
    "val oracle: bstring * (Sign.sg * Object.T -> term)"
wenzelm@5830
   647
    "Theory.add_oracle oracle"
wenzelm@5830
   648
    ("(" ^ quote name ^ ", " ^ txt ^ ")");
wenzelm@5830
   649
wenzelm@5830
   650
wenzelm@12062
   651
(* add_locale *)
wenzelm@12062
   652
wenzelm@12062
   653
fun add_locale (name, imports, elems) thy =
wenzelm@12062
   654
  Locale.add_locale name imports
wenzelm@12062
   655
    (map (Locale.attribute (Attrib.local_attribute thy) o Comment.ignore) elems) thy;
wenzelm@12062
   656
wenzelm@12062
   657
wenzelm@6688
   658
(* theory init and exit *)
wenzelm@5830
   659
wenzelm@8804
   660
fun gen_begin_theory upd name parents files =
wenzelm@8804
   661
  ThyInfo.begin_theory Present.begin_theory upd name parents (map (apfst Path.unpack) files);
wenzelm@5830
   662
wenzelm@8804
   663
val begin_theory = gen_begin_theory false;
wenzelm@7909
   664
wenzelm@7909
   665
fun end_theory thy =
wenzelm@7932
   666
  if ThyInfo.check_known_thy (PureThy.get_name thy) then ThyInfo.end_theory thy
wenzelm@7909
   667
  else thy;
wenzelm@7909
   668
wenzelm@7932
   669
val kill_theory = ThyInfo.if_known_thy ThyInfo.remove_thy;
wenzelm@6688
   670
wenzelm@7103
   671
wenzelm@8804
   672
fun bg_theory (name, parents, files) int = gen_begin_theory int name parents files;
wenzelm@6331
   673
fun en_theory thy = (end_theory thy; ());
wenzelm@6331
   674
wenzelm@7932
   675
fun theory spec = Toplevel.init_theory (bg_theory spec) en_theory (kill_theory o PureThy.get_name);
wenzelm@6246
   676
wenzelm@6246
   677
wenzelm@6246
   678
(* context switch *)
wenzelm@6246
   679
wenzelm@7960
   680
fun fetch_context f x =
wenzelm@7960
   681
  (case Context.pass None f x of
wenzelm@7960
   682
    ((), None) => raise Toplevel.UNDEF
wenzelm@7960
   683
  | ((), Some thy) => thy);
wenzelm@7960
   684
wenzelm@7960
   685
fun init_context f x = Toplevel.init_theory (fn _ => fetch_context f x) (K ()) (K ());
wenzelm@7953
   686
wenzelm@7953
   687
val context = init_context (ThyInfo.quiet_update_thy true);
wenzelm@6246
   688
wenzelm@5830
   689
wenzelm@5830
   690
end;