src/Pure/Isar/proof_context.ML
author wenzelm
Sun Sep 23 22:23:35 2007 +0200 (2007-09-23 ago)
changeset 24684 80da599dea37
parent 24675 2be1253a20d3
child 24686 8113d0149304
permissions -rw-r--r--
added read_term_pattern/schematic/abbrev;
prepare_patterns: Variable.polymorphic;
removed obsolete cert/pats versions;
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(*  Title:      Pure/Isar/proof_context.ML
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    ID:         $Id$
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    Author:     Markus Wenzel, TU Muenchen
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The key concept of Isar proof contexts: elevates primitive local
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reasoning Gamma |- phi to a structured concept, with generic context
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elements.  See also structure Variable and Assumption.
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*)
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signature PROOF_CONTEXT =
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sig
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  val theory_of: Proof.context -> theory
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  val init: theory -> Proof.context
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  type mode
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  val mode_default: mode
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  val mode_stmt: mode
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  val mode_pattern: mode
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  val mode_schematic: mode
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  val mode_abbrev: mode
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  val set_mode: mode -> Proof.context -> Proof.context
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  val get_mode: Proof.context -> mode
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  val restore_mode: Proof.context -> Proof.context -> Proof.context
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  val set_stmt: bool -> Proof.context -> Proof.context
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  val naming_of: Proof.context -> NameSpace.naming
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  val full_name: Proof.context -> bstring -> string
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  val consts_of: Proof.context -> Consts.T
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  val const_syntax_name: Proof.context -> string -> string
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  val set_syntax_mode: Syntax.mode -> Proof.context -> Proof.context
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  val restore_syntax_mode: Proof.context -> Proof.context -> Proof.context
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  val theorems_of: Proof.context -> thm list NameSpace.table
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  val fact_index_of: Proof.context -> FactIndex.T
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  val transfer: theory -> Proof.context -> Proof.context
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  val theory: (theory -> theory) -> Proof.context -> Proof.context
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  val theory_result: (theory -> 'a * theory) -> Proof.context -> 'a * Proof.context
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  val pretty_term: Proof.context -> term -> Pretty.T
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  val pretty_term_abbrev: Proof.context -> term -> Pretty.T
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  val pretty_typ: Proof.context -> typ -> Pretty.T
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  val pretty_sort: Proof.context -> sort -> Pretty.T
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  val pretty_classrel: Proof.context -> class list -> Pretty.T
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  val pretty_arity: Proof.context -> arity -> Pretty.T
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  val pp: Proof.context -> Pretty.pp
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  val pretty_thm_legacy: thm -> Pretty.T
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  val pretty_thm: Proof.context -> thm -> Pretty.T
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  val pretty_thms: Proof.context -> thm list -> Pretty.T
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  val pretty_fact: Proof.context -> string * thm list -> Pretty.T
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  val pretty_proof: Proof.context -> Proofterm.proof -> Pretty.T
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  val pretty_proof_of: Proof.context -> bool -> thm -> Pretty.T
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  val string_of_typ: Proof.context -> typ -> string
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  val string_of_term: Proof.context -> term -> string
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  val string_of_thm: Proof.context -> thm -> string
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  val read_typ: Proof.context -> string -> typ
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  val read_typ_syntax: Proof.context -> string -> typ
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  val read_typ_abbrev: Proof.context -> string -> typ
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  val cert_typ: Proof.context -> typ -> typ
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  val cert_typ_syntax: Proof.context -> typ -> typ
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  val cert_typ_abbrev: Proof.context -> typ -> typ
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  val get_skolem: Proof.context -> string -> string
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  val revert_skolem: Proof.context -> string -> string
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  val revert_skolems: Proof.context -> term -> term
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  val decode_term: Proof.context -> term -> term
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  val read_term_pattern: Proof.context -> string -> term
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  val read_term_schematic: Proof.context -> string -> term
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  val read_term_abbrev: Proof.context -> string -> term
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  val read_termTs_schematic: Proof.context -> (string -> bool) -> (indexname -> typ option)
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    -> (indexname -> sort option) -> string list -> (string * typ) list
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    -> term list * (indexname * typ) list
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  val read_prop_legacy: Proof.context -> string -> term
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  val read_termTs: Proof.context -> (string * typ) list -> term list
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  val cert_term: Proof.context -> term -> term
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  val cert_prop: Proof.context -> term -> term
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  val infer_type: Proof.context -> string -> typ
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  val inferred_param: string -> Proof.context -> (string * typ) * Proof.context
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  val inferred_fixes: Proof.context -> (string * typ) list * Proof.context
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  val read_tyname: Proof.context -> string -> typ
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  val read_const: Proof.context -> string -> term
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  val goal_export: Proof.context -> Proof.context -> thm list -> thm list
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  val export: Proof.context -> Proof.context -> thm list -> thm list
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  val export_morphism: Proof.context -> Proof.context -> morphism
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  val add_binds: (indexname * string option) list -> Proof.context -> Proof.context
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  val add_binds_i: (indexname * term option) list -> Proof.context -> Proof.context
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  val auto_bind_goal: term list -> Proof.context -> Proof.context
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  val auto_bind_facts: term list -> Proof.context -> Proof.context
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  val match_bind: bool -> (string list * string) list -> Proof.context -> term list * Proof.context
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  val match_bind_i: bool -> (term list * term) list -> Proof.context -> term list * Proof.context
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  val read_propp: Proof.context * (string * string list) list list
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    -> Proof.context * (term * term list) list list
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  val cert_propp: Proof.context * (term * term list) list list
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    -> Proof.context * (term * term list) list list
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  val read_propp_schematic: Proof.context * (string * string list) list list
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    -> Proof.context * (term * term list) list list
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  val cert_propp_schematic: Proof.context * (term * term list) list list
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    -> Proof.context * (term * term list) list list
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  val bind_propp: Proof.context * (string * string list) list list
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    -> Proof.context * (term list list * (Proof.context -> Proof.context))
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  val bind_propp_i: Proof.context * (term * term list) list list
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    -> Proof.context * (term list list * (Proof.context -> Proof.context))
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  val bind_propp_schematic: Proof.context * (string * string list) list list
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    -> Proof.context * (term list list * (Proof.context -> Proof.context))
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  val bind_propp_schematic_i: Proof.context * (term * term list) list list
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    -> Proof.context * (term list list * (Proof.context -> Proof.context))
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  val fact_tac: thm list -> int -> tactic
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  val some_fact_tac: Proof.context -> int -> tactic
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  val get_thm: Proof.context -> thmref -> thm
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  val get_thm_closure: Proof.context -> thmref -> thm
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  val get_thms: Proof.context -> thmref -> thm list
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  val get_thms_closure: Proof.context -> thmref -> thm list
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  val valid_thms: Proof.context -> string * thm list -> bool
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  val lthms_containing: Proof.context -> FactIndex.spec -> (string * thm list) list
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  val add_path: string -> Proof.context -> Proof.context
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  val no_base_names: Proof.context -> Proof.context
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  val qualified_names: Proof.context -> Proof.context
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  val sticky_prefix: string -> Proof.context -> Proof.context
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  val restore_naming: Proof.context -> Proof.context -> Proof.context
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  val reset_naming: Proof.context -> Proof.context
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  val hide_thms: bool -> string list -> Proof.context -> Proof.context
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  val put_thms: string * thm list option -> Proof.context -> Proof.context
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  val note_thmss: string ->
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    ((bstring * attribute list) * (thmref * attribute list) list) list ->
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      Proof.context -> (bstring * thm list) list * Proof.context
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  val note_thmss_i: string ->
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    ((bstring * attribute list) * (thm list * attribute list) list) list ->
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      Proof.context -> (bstring * thm list) list * Proof.context
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  val read_vars: (string * string option * mixfix) list -> Proof.context ->
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    (string * typ option * mixfix) list * Proof.context
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  val cert_vars: (string * typ option * mixfix) list -> Proof.context ->
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    (string * typ option * mixfix) list * Proof.context
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  val read_vars_legacy: (string * string option * mixfix) list -> Proof.context ->
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    (string * typ option * mixfix) list * Proof.context
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  val cert_vars_legacy: (string * typ option * mixfix) list -> Proof.context ->
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    (string * typ option * mixfix) list * Proof.context
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  val add_fixes: (string * string option * mixfix) list ->
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    Proof.context -> string list * Proof.context
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  val add_fixes_i: (string * typ option * mixfix) list ->
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    Proof.context -> string list * Proof.context
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  val add_fixes_legacy: (string * typ option * mixfix) list ->
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    Proof.context -> string list * Proof.context
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  val auto_fixes: Proof.context * (term list list * 'a) -> Proof.context * (term list list * 'a)
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  val bind_fixes: string list -> Proof.context -> (term -> term) * Proof.context
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  val add_assms: Assumption.export ->
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    ((string * attribute list) * (string * string list) list) list ->
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    Proof.context -> (bstring * thm list) list * Proof.context
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  val add_assms_i: Assumption.export ->
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    ((string * attribute list) * (term * term list) list) list ->
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    Proof.context -> (bstring * thm list) list * Proof.context
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  val add_cases: bool -> (string * RuleCases.T option) list -> Proof.context -> Proof.context
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  val apply_case: RuleCases.T -> Proof.context -> (string * term list) list * Proof.context
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  val get_case: Proof.context -> string -> string option list -> RuleCases.T
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  val add_notation: Syntax.mode -> (term * mixfix) list ->
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    Proof.context -> Proof.context
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  val target_notation: Syntax.mode -> (term * mixfix) list -> morphism ->
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    Context.generic -> Context.generic
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  val add_abbrev: string -> bstring * term -> Proof.context -> (term * term) * Proof.context
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  val verbose: bool ref
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  val setmp_verbose: ('a -> 'b) -> 'a -> 'b
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  val print_syntax: Proof.context -> unit
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  val print_abbrevs: Proof.context -> unit
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  val print_binds: Proof.context -> unit
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  val print_lthms: Proof.context -> unit
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  val print_cases: Proof.context -> unit
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  val debug: bool ref
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  val prems_limit: int ref
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  val pretty_ctxt: Proof.context -> Pretty.T list
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  val pretty_context: Proof.context -> Pretty.T list
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end;
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structure ProofContext: PROOF_CONTEXT =
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struct
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val theory_of = Context.theory_of_proof;
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val tsig_of = Sign.tsig_of o theory_of;
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val init = Context.init_proof;
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(** inner syntax mode **)
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datatype mode =
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  Mode of
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   {stmt: bool,                (*inner statement mode*)
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    pattern: bool,             (*pattern binding schematic variables*)
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    schematic: bool,           (*term referencing loose schematic variables*)
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    abbrev: bool};             (*abbrev mode -- no normalization*)
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fun make_mode (stmt, pattern, schematic, abbrev) =
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  Mode {stmt = stmt, pattern = pattern, schematic = schematic, abbrev = abbrev};
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val mode_default   = make_mode (false, false, false, false);
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val mode_stmt      = make_mode (true, false, false, false);
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val mode_pattern   = make_mode (false, true, false, false);
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val mode_schematic = make_mode (false, false, true, false);
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val mode_abbrev    = make_mode (false, false, false, true);
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(** Isar proof context information **)
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datatype ctxt =
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  Ctxt of
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   {mode: mode,                                       (*inner syntax mode*)
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    naming: NameSpace.naming,                         (*local naming conventions*)
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    syntax: LocalSyntax.T,                            (*local syntax*)
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    consts: Consts.T * Consts.T,                      (*global/local consts*)
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    thms: thm list NameSpace.table * FactIndex.T,     (*local thms*)
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    cases: (string * (RuleCases.T * bool)) list};     (*local contexts*)
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fun make_ctxt (mode, naming, syntax, consts, thms, cases) =
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  Ctxt {mode = mode, naming = naming, syntax = syntax,
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    consts = consts, thms = thms, cases = cases};
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val local_naming = NameSpace.default_naming |> NameSpace.add_path "local";
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structure ContextData = ProofDataFun
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(
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  type T = ctxt;
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  fun init thy =
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    make_ctxt (mode_default, local_naming, LocalSyntax.init thy,
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      (Sign.consts_of thy, Sign.consts_of thy),
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      (NameSpace.empty_table, FactIndex.empty), []);
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);
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fun rep_context ctxt = ContextData.get ctxt |> (fn Ctxt args => args);
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fun map_context f =
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  ContextData.map (fn Ctxt {mode, naming, syntax, consts, thms, cases} =>
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    make_ctxt (f (mode, naming, syntax, consts, thms, cases)));
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fun set_mode mode = map_context (fn (_, naming, syntax, consts, thms, cases) =>
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  (mode, naming, syntax, consts, thms, cases));
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fun map_mode f =
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  map_context (fn (Mode {stmt, pattern, schematic, abbrev}, naming, syntax, consts, thms, cases) =>
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    (make_mode (f (stmt, pattern, schematic, abbrev)), naming, syntax, consts, thms, cases));
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fun map_naming f =
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  map_context (fn (mode, naming, syntax, consts, thms, cases) =>
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    (mode, f naming, syntax, consts, thms, cases));
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fun map_syntax f =
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  map_context (fn (mode, naming, syntax, consts, thms, cases) =>
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    (mode, naming, f syntax, consts, thms, cases));
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fun map_consts f =
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  map_context (fn (mode, naming, syntax, consts, thms, cases) =>
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    (mode, naming, syntax, f consts, thms, cases));
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fun map_thms f =
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  map_context (fn (mode, naming, syntax, consts, thms, cases) =>
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    (mode, naming, syntax, consts, f thms, cases));
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fun map_cases f =
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  map_context (fn (mode, naming, syntax, consts, thms, cases) =>
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    (mode, naming, syntax, consts, thms, f cases));
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val get_mode = #mode o rep_context;
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fun restore_mode ctxt = set_mode (get_mode ctxt);
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fun set_stmt stmt =
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  map_mode (fn (_, pattern, schematic, abbrev) => (stmt, pattern, schematic, abbrev));
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val naming_of = #naming o rep_context;
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val full_name = NameSpace.full o naming_of;
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val syntax_of = #syntax o rep_context;
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val syn_of = LocalSyntax.syn_of o syntax_of;
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val set_syntax_mode = map_syntax o LocalSyntax.set_mode;
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val restore_syntax_mode = map_syntax o LocalSyntax.restore_mode o syntax_of;
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val consts_of = #2 o #consts o rep_context;
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val const_syntax_name = Consts.syntax_name o consts_of;
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val thms_of = #thms o rep_context;
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val theorems_of = #1 o thms_of;
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val fact_index_of = #2 o thms_of;
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val cases_of = #cases o rep_context;
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(* theory transfer *)
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fun transfer_syntax thy =
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  map_syntax (LocalSyntax.rebuild thy) #>
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  map_consts (fn consts as (global_consts, local_consts) =>
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    let val thy_consts = Sign.consts_of thy in
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      if Consts.eq_consts (thy_consts, global_consts) then consts
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      else (thy_consts, Consts.merge (thy_consts, local_consts))
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    end);
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fun transfer thy = Context.transfer_proof thy #> transfer_syntax thy;
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fun theory f ctxt = transfer (f (theory_of ctxt)) ctxt;
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fun theory_result f ctxt =
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  let val (res, thy') = f (theory_of ctxt)
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  in (res, ctxt |> transfer thy') end;
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(** pretty printing **)
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   299
wenzelm@19310
   300
local
wenzelm@19310
   301
wenzelm@24675
   302
fun rewrite_term thy rews t =
wenzelm@24675
   303
  if can Term.type_of t then Pattern.rewrite_term thy rews [] t else t;
wenzelm@19371
   304
wenzelm@19001
   305
fun pretty_term' abbrevs ctxt t =
wenzelm@18971
   306
  let
wenzelm@19001
   307
    val thy = theory_of ctxt;
wenzelm@19001
   308
    val syntax = syntax_of ctxt;
wenzelm@18971
   309
    val consts = consts_of ctxt;
wenzelm@22587
   310
    val do_abbrevs = abbrevs andalso not (print_mode_active "no_abbrevs");
wenzelm@19001
   311
    val t' = t
wenzelm@24675
   312
      |> do_abbrevs ? rewrite_term thy (Consts.abbrevs_of consts (print_mode_value () @ [""]))
wenzelm@24675
   313
      |> do_abbrevs ? rewrite_term thy (Consts.abbrevs_of consts [Syntax.internalM])
wenzelm@19371
   314
      |> Sign.extern_term (Consts.extern_early consts) thy
wenzelm@19371
   315
      |> LocalSyntax.extern_term syntax;
wenzelm@21772
   316
  in Sign.pretty_term' ctxt (LocalSyntax.syn_of syntax) (Consts.extern consts) t' end;
wenzelm@18971
   317
wenzelm@19310
   318
in
wenzelm@19310
   319
wenzelm@19001
   320
val pretty_term = pretty_term' true;
wenzelm@21728
   321
val pretty_term_abbrev = pretty_term' false;
wenzelm@19310
   322
wenzelm@19310
   323
end;
wenzelm@19310
   324
wenzelm@16458
   325
fun pretty_typ ctxt T = Sign.pretty_typ (theory_of ctxt) T;
wenzelm@16458
   326
fun pretty_sort ctxt S = Sign.pretty_sort (theory_of ctxt) S;
wenzelm@16458
   327
fun pretty_classrel ctxt cs = Sign.pretty_classrel (theory_of ctxt) cs;
wenzelm@16458
   328
fun pretty_arity ctxt ar = Sign.pretty_arity (theory_of ctxt) ar;
wenzelm@14828
   329
wenzelm@14974
   330
fun pp ctxt = Pretty.pp (pretty_term ctxt, pretty_typ ctxt, pretty_sort ctxt,
wenzelm@14974
   331
  pretty_classrel ctxt, pretty_arity ctxt);
wenzelm@14828
   332
wenzelm@22874
   333
fun pretty_thm_legacy th =
wenzelm@22874
   334
  let val thy = Thm.theory_of_thm th
wenzelm@22874
   335
  in Display.pretty_thm_aux (pp (init thy)) true false [] th end;
wenzelm@20234
   336
wenzelm@17451
   337
fun pretty_thm ctxt th =
wenzelm@22874
   338
  let val asms = map Thm.term_of (Assumption.assms_of ctxt)
wenzelm@22874
   339
  in Display.pretty_thm_aux (pp ctxt) false true asms th end;
wenzelm@14828
   340
wenzelm@14828
   341
fun pretty_thms ctxt [th] = pretty_thm ctxt th
wenzelm@14828
   342
  | pretty_thms ctxt ths = Pretty.blk (0, Pretty.fbreaks (map (pretty_thm ctxt) ths));
wenzelm@14828
   343
wenzelm@14828
   344
fun pretty_fact ctxt ("", ths) = pretty_thms ctxt ths
wenzelm@14828
   345
  | pretty_fact ctxt (a, [th]) =
wenzelm@14828
   346
      Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, pretty_thm ctxt th]
wenzelm@14828
   347
  | pretty_fact ctxt (a, ths) =
wenzelm@14828
   348
      Pretty.block (Pretty.fbreaks (Pretty.str (a ^ ":") :: map (pretty_thm ctxt) ths));
wenzelm@14828
   349
wenzelm@17072
   350
fun pretty_proof ctxt prf =
wenzelm@21728
   351
  pretty_term_abbrev (ctxt |> transfer_syntax (ProofSyntax.proof_syntax prf (theory_of ctxt)))
wenzelm@17072
   352
    (ProofSyntax.term_of_proof prf);
wenzelm@17072
   353
wenzelm@17072
   354
fun pretty_proof_of ctxt full th =
wenzelm@17072
   355
  pretty_proof ctxt (ProofSyntax.proof_of full th);
wenzelm@17072
   356
wenzelm@17860
   357
val string_of_typ = Pretty.string_of oo pretty_typ;
wenzelm@17860
   358
val string_of_term = Pretty.string_of oo pretty_term;
wenzelm@17860
   359
val string_of_thm = Pretty.string_of oo pretty_thm;
wenzelm@17860
   360
wenzelm@14828
   361
wenzelm@14828
   362
wenzelm@5819
   363
(** prepare types **)
wenzelm@5819
   364
wenzelm@24277
   365
(* read_typ *)
wenzelm@24277
   366
wenzelm@24277
   367
fun read_typ_mode mode ctxt s =
wenzelm@24486
   368
  Syntax.read_typ (Type.set_mode mode ctxt) s;
wenzelm@24277
   369
wenzelm@24277
   370
val read_typ        = read_typ_mode Type.mode_default;
wenzelm@24277
   371
val read_typ_syntax = read_typ_mode Type.mode_syntax;
wenzelm@24277
   372
val read_typ_abbrev = read_typ_mode Type.mode_abbrev;
wenzelm@24277
   373
wenzelm@24277
   374
wenzelm@24277
   375
(* cert_typ *)
wenzelm@24277
   376
wenzelm@24277
   377
fun cert_typ_mode mode ctxt T =
wenzelm@24277
   378
  Sign.certify_typ_mode mode (theory_of ctxt) T
wenzelm@24277
   379
    handle TYPE (msg, _, _) => error msg;
wenzelm@24277
   380
wenzelm@24277
   381
val cert_typ        = cert_typ_mode Type.mode_default;
wenzelm@24277
   382
val cert_typ_syntax = cert_typ_mode Type.mode_syntax;
wenzelm@24277
   383
val cert_typ_abbrev = cert_typ_mode Type.mode_abbrev;
wenzelm@24277
   384
wenzelm@24277
   385
wenzelm@24388
   386
wenzelm@24388
   387
(** prepare variables **)
wenzelm@24388
   388
wenzelm@7679
   389
(* internalize Skolem constants *)
wenzelm@7679
   390
wenzelm@19897
   391
val lookup_skolem = AList.lookup (op =) o Variable.fixes_of;
wenzelm@18187
   392
fun get_skolem ctxt x = the_default x (lookup_skolem ctxt x);
wenzelm@7679
   393
wenzelm@18678
   394
fun no_skolem internal x =
wenzelm@20086
   395
  if can Name.dest_skolem x then
wenzelm@18678
   396
    error ("Illegal reference to internal Skolem constant: " ^ quote x)
wenzelm@20086
   397
  else if not internal andalso can Name.dest_internal x then
wenzelm@18678
   398
    error ("Illegal reference to internal variable: " ^ quote x)
wenzelm@7679
   399
  else x;
wenzelm@7679
   400
wenzelm@7679
   401
wenzelm@20244
   402
(* revert Skolem constants -- approximation only! *)
wenzelm@18255
   403
wenzelm@20244
   404
fun revert_skolem ctxt =
wenzelm@9133
   405
  let
wenzelm@20244
   406
    val rev_fixes = map Library.swap (Variable.fixes_of ctxt);
wenzelm@20244
   407
    val revert = AList.lookup (op =) rev_fixes;
wenzelm@20244
   408
  in
wenzelm@20244
   409
    fn x =>
wenzelm@20244
   410
      (case revert x of
wenzelm@20244
   411
        SOME x' => x'
wenzelm@20244
   412
      | NONE => perhaps (try Name.dest_skolem) x)
wenzelm@20244
   413
   end;
wenzelm@20244
   414
wenzelm@20244
   415
fun revert_skolems ctxt =
wenzelm@20244
   416
  let
wenzelm@20244
   417
    val revert = revert_skolem ctxt;
wenzelm@20244
   418
    fun reverts (Free (x, T)) = Free (revert x, T)
wenzelm@20244
   419
      | reverts (t $ u) = reverts t $ reverts u
wenzelm@20244
   420
      | reverts (Abs (x, T, t)) = Abs (x, T, reverts t)
wenzelm@20244
   421
      | reverts a = a;
wenzelm@24495
   422
  in reverts end;
wenzelm@9133
   423
wenzelm@8096
   424
wenzelm@18187
   425
wenzelm@5819
   426
(** prepare terms and propositions **)
wenzelm@5819
   427
wenzelm@24684
   428
(* read_term *)
wenzelm@24684
   429
wenzelm@24684
   430
fun read_term_mode mode ctxt = Syntax.read_term (set_mode mode ctxt);
wenzelm@24684
   431
wenzelm@24684
   432
val read_term_pattern   = read_term_mode mode_pattern;
wenzelm@24684
   433
val read_term_schematic = read_term_mode mode_schematic;
wenzelm@24684
   434
val read_term_abbrev    = read_term_mode mode_abbrev;
wenzelm@24684
   435
wenzelm@24684
   436
wenzelm@16501
   437
(* read wrt. theory *)     (*exception ERROR*)
wenzelm@5819
   438
wenzelm@22712
   439
fun read_def_termTs freeze pp syn ctxt (types, sorts, used) fixed sTs =
wenzelm@22712
   440
  Sign.read_def_terms' pp (Sign.is_logtype (theory_of ctxt)) syn (consts_of ctxt) fixed
wenzelm@21772
   441
    ctxt (types, sorts) used freeze sTs;
wenzelm@5874
   442
wenzelm@22712
   443
fun read_def_termT freeze pp syn ctxt defaults fixed sT =
wenzelm@22712
   444
  apfst hd (read_def_termTs freeze pp syn ctxt defaults fixed [sT]);
wenzelm@14828
   445
wenzelm@22712
   446
fun read_term_thy freeze pp syn thy defaults fixed s =
wenzelm@22712
   447
  #1 (read_def_termT freeze pp syn thy defaults fixed (s, dummyT));
wenzelm@5874
   448
wenzelm@22712
   449
fun read_prop_thy freeze pp syn thy defaults fixed s =
wenzelm@22712
   450
  #1 (read_def_termT freeze pp syn thy defaults fixed (s, propT));
wenzelm@12072
   451
wenzelm@22712
   452
fun read_terms_thy freeze pp syn thy defaults fixed =
wenzelm@22773
   453
  #1 o read_def_termTs freeze pp syn thy defaults fixed;
wenzelm@12072
   454
wenzelm@22712
   455
fun read_props_thy freeze pp syn thy defaults fixed =
wenzelm@22712
   456
  #1 o read_def_termTs freeze pp syn thy defaults fixed o map (rpair propT);
wenzelm@5819
   457
wenzelm@5819
   458
wenzelm@19001
   459
(* local abbreviations *)
wenzelm@5819
   460
wenzelm@24501
   461
local
wenzelm@24501
   462
wenzelm@19371
   463
fun certify_consts ctxt =
wenzelm@24675
   464
  let val Mode {abbrev, ...} = get_mode ctxt
wenzelm@24675
   465
  in Consts.certify (pp ctxt) (tsig_of ctxt) (not abbrev) (consts_of ctxt) end;
wenzelm@19001
   466
wenzelm@19897
   467
fun reject_schematic (Var (xi, _)) =
wenzelm@22678
   468
      error ("Unbound schematic variable: " ^ Term.string_of_vname xi)
wenzelm@19897
   469
  | reject_schematic (Abs (_, _, t)) = reject_schematic t
wenzelm@19897
   470
  | reject_schematic (t $ u) = (reject_schematic t; reject_schematic u)
wenzelm@19897
   471
  | reject_schematic _ = ();
wenzelm@5819
   472
wenzelm@24495
   473
fun expand_binds ctxt =
wenzelm@24495
   474
  let val Mode {pattern, schematic, ...} = get_mode ctxt in
wenzelm@24495
   475
    if pattern then I
wenzelm@24495
   476
    else Variable.expand_binds ctxt #> (if schematic then I else tap reject_schematic)
wenzelm@24495
   477
  end;
wenzelm@5819
   478
wenzelm@24501
   479
in
wenzelm@24501
   480
wenzelm@24501
   481
fun expand_abbrevs ctxt = certify_consts ctxt #> expand_binds ctxt;
wenzelm@24501
   482
wenzelm@24501
   483
end;
wenzelm@24501
   484
wenzelm@5819
   485
wenzelm@24518
   486
(* patterns *)
wenzelm@24518
   487
wenzelm@24518
   488
fun prepare_patternT ctxt =
wenzelm@24518
   489
  let val Mode {pattern, schematic, ...} = get_mode ctxt in
wenzelm@24518
   490
    if pattern orelse schematic then I
wenzelm@24518
   491
    else Term.map_atyps
wenzelm@24518
   492
      (fn T as TVar (xi, _) =>
wenzelm@24518
   493
            if not (TypeInfer.is_param xi)
wenzelm@24518
   494
            then error ("Illegal schematic type variable: " ^ Term.string_of_vname xi)
wenzelm@24518
   495
            else T
wenzelm@24518
   496
        | T => T)
wenzelm@24518
   497
  end;
wenzelm@24518
   498
wenzelm@22712
   499
wenzelm@24505
   500
local
wenzelm@6550
   501
wenzelm@18310
   502
val prepare_dummies =
wenzelm@18310
   503
  let val next = ref 1 in
wenzelm@24363
   504
    fn t => NAMED_CRITICAL "prepare_dummies" (fn () =>
wenzelm@18310
   505
      let val (i, u) = Term.replace_dummy_patterns (! next, t)
wenzelm@23922
   506
      in next := i; u end)
wenzelm@18310
   507
  end;
wenzelm@6762
   508
wenzelm@18678
   509
fun reject_dummies t = Term.no_dummy_patterns t
wenzelm@18678
   510
  handle TERM _ => error "Illegal dummy pattern(s) in term";
wenzelm@6550
   511
wenzelm@24505
   512
in
wenzelm@24505
   513
wenzelm@24684
   514
fun prepare_patterns ctxt =
wenzelm@24518
   515
  let val Mode {pattern, ...} = get_mode ctxt in
wenzelm@24684
   516
    (if pattern then Variable.polymorphic ctxt else I) #>
wenzelm@24684
   517
    (map o Term.map_types) (prepare_patternT ctxt) #>
wenzelm@24684
   518
    map (if pattern then prepare_dummies else reject_dummies)
wenzelm@24505
   519
  end;
wenzelm@24505
   520
wenzelm@24505
   521
end;
wenzelm@24505
   522
wenzelm@6550
   523
wenzelm@22763
   524
(* decoding raw terms (syntax trees) *)
wenzelm@22763
   525
wenzelm@22763
   526
fun legacy_intern_skolem ctxt internal def_type x =    (* FIXME cleanup this mess *)
wenzelm@22763
   527
  let
wenzelm@22763
   528
    val sko = lookup_skolem ctxt x;
wenzelm@22763
   529
    val is_const = can (Consts.read_const (consts_of ctxt)) x;
wenzelm@22763
   530
    val is_free = is_some sko orelse not is_const;
wenzelm@22763
   531
    val is_internal = internal x;
wenzelm@22763
   532
    val is_declared = is_some (def_type (x, ~1));
wenzelm@22763
   533
    val res =
wenzelm@22763
   534
      if is_free andalso not is_internal then (no_skolem false x; sko)
wenzelm@23361
   535
      else ((no_skolem false x; ()) handle ERROR msg =>
wenzelm@23361
   536
          legacy_feature (msg ^ ContextPosition.str_of ctxt);
wenzelm@22763
   537
        if is_internal andalso is_declared then SOME x else NONE);
wenzelm@22763
   538
  in if is_some res then res else if is_declared then SOME x else NONE end;
wenzelm@22763
   539
wenzelm@24371
   540
fun term_context ctxt =
wenzelm@24371
   541
  let val thy = theory_of ctxt in
wenzelm@24371
   542
   {get_sort = Sign.get_sort thy (Variable.def_sort ctxt),
wenzelm@24371
   543
    map_const = try (#1 o Term.dest_Const o Consts.read_const (consts_of ctxt)),
wenzelm@24371
   544
    map_free = legacy_intern_skolem ctxt (K false) (Variable.def_type ctxt false),
wenzelm@24371
   545
    map_type = Sign.intern_tycons thy,
wenzelm@24371
   546
    map_sort = Sign.intern_sort thy}
wenzelm@24371
   547
  end;
wenzelm@24371
   548
wenzelm@22763
   549
fun decode_term ctxt =
wenzelm@24371
   550
  let val {get_sort, map_const, map_free, map_type, map_sort} = term_context ctxt
wenzelm@22763
   551
  in Syntax.decode_term get_sort map_const map_free map_type map_sort end;
wenzelm@22763
   552
wenzelm@22763
   553
wenzelm@5819
   554
(* read terms *)
wenzelm@5819
   555
wenzelm@10554
   556
local
wenzelm@10554
   557
skalberg@15531
   558
fun append_env e1 e2 x = (case e2 x of NONE => e1 x | some => some);
wenzelm@14720
   559
wenzelm@24505
   560
fun gen_read' read app pattern schematic ctxt0 internal more_types more_sorts more_used s =
ballarin@14174
   561
  let
wenzelm@24505
   562
    val ctxt = ctxt0
wenzelm@24505
   563
      |> set_mode (Mode {stmt = false, pattern = pattern, schematic = schematic, abbrev = false});
wenzelm@19897
   564
    val types = append_env (Variable.def_type ctxt pattern) more_types;
wenzelm@19897
   565
    val sorts = append_env (Variable.def_sort ctxt) more_sorts;
wenzelm@20163
   566
    val used = fold Name.declare more_used (Variable.names_of ctxt);
ballarin@14174
   567
  in
wenzelm@22763
   568
    (read (pp ctxt) (syn_of ctxt) ctxt (types, sorts, used)
wenzelm@22763
   569
        (legacy_intern_skolem ctxt internal types) s
wenzelm@18678
   570
      handle TERM (msg, _) => error msg)
wenzelm@24505
   571
    |> app (expand_abbrevs ctxt)
wenzelm@24684
   572
    |> app (singleton (prepare_patterns ctxt))
wenzelm@14720
   573
  end;
wenzelm@14720
   574
wenzelm@16031
   575
fun gen_read read app pattern schematic ctxt =
wenzelm@16031
   576
  gen_read' read app pattern schematic ctxt (K false) (K NONE) (K NONE) [];
wenzelm@14720
   577
wenzelm@10554
   578
in
wenzelm@10554
   579
wenzelm@16031
   580
val read_termTs_schematic = gen_read' (read_def_termTs false) (apfst o map) false true;
wenzelm@8096
   581
wenzelm@22712
   582
fun read_prop_legacy ctxt =
wenzelm@22712
   583
  gen_read' (read_prop_thy true) I false false ctxt (K true) (K NONE) (K NONE) [];
wenzelm@14720
   584
wenzelm@22773
   585
val read_termTs          = gen_read (read_terms_thy true) map false false;
wenzelm@19143
   586
fun read_props schematic = gen_read (read_props_thy true) map false schematic;
wenzelm@5819
   587
wenzelm@10554
   588
end;
wenzelm@10554
   589
wenzelm@5819
   590
wenzelm@5819
   591
(* certify terms *)
wenzelm@5819
   592
wenzelm@10554
   593
local
wenzelm@10554
   594
wenzelm@24684
   595
fun gen_cert prop ctxt t =
wenzelm@24684
   596
  t
wenzelm@24684
   597
  |> expand_abbrevs ctxt
wenzelm@24684
   598
  |> (fn t' => #1 (Sign.certify' prop (pp ctxt) false (consts_of ctxt) (theory_of ctxt) t')
wenzelm@24684
   599
    handle TYPE (msg, _, _) => error msg
wenzelm@24684
   600
      | TERM (msg, _) => error msg);
wenzelm@16501
   601
wenzelm@10554
   602
in
wenzelm@8096
   603
wenzelm@24684
   604
val cert_term = gen_cert false;
wenzelm@24684
   605
val cert_prop = gen_cert true;
wenzelm@10554
   606
wenzelm@10554
   607
end;
wenzelm@5819
   608
wenzelm@5819
   609
wenzelm@24495
   610
(* type checking/inference *)
wenzelm@22701
   611
wenzelm@24495
   612
fun standard_infer_types ctxt ts =
wenzelm@24495
   613
  let val Mode {pattern, ...} = get_mode ctxt in
wenzelm@24495
   614
    TypeInfer.infer_types (pp ctxt) (tsig_of ctxt) (Syntax.check_typs ctxt)
wenzelm@24495
   615
      (try (Consts.the_constraint (consts_of ctxt))) (Variable.def_type ctxt pattern)
wenzelm@24495
   616
      (Variable.names_of ctxt) (not pattern) (map (rpair dummyT) ts)
wenzelm@24495
   617
    |> #1 |> map #1
wenzelm@24495
   618
    handle TYPE (msg, _, _) => error msg
wenzelm@24495
   619
  end;
wenzelm@24486
   620
wenzelm@24518
   621
local
wenzelm@24518
   622
wenzelm@24505
   623
fun standard_term_check ctxt =
wenzelm@24505
   624
  standard_infer_types ctxt #>
wenzelm@24505
   625
  map (expand_abbrevs ctxt) #>
wenzelm@24684
   626
  prepare_patterns ctxt;
wenzelm@24505
   627
wenzelm@24518
   628
fun standard_typ_check ctxt =
wenzelm@24518
   629
  map (cert_typ_mode (Type.get_mode ctxt) ctxt) #>
wenzelm@24518
   630
  map (prepare_patternT ctxt);
wenzelm@24518
   631
wenzelm@24518
   632
in
wenzelm@24518
   633
wenzelm@24495
   634
val _ = Context.add_setup (Context.theory_map (Syntax.add_term_check
wenzelm@24505
   635
    (fn ts => fn ctxt => (standard_term_check ctxt ts, ctxt))));
wenzelm@22701
   636
wenzelm@24495
   637
val _ = Context.add_setup (Context.theory_map (Syntax.add_typ_check
wenzelm@24518
   638
    (fn Ts => fn ctxt => (standard_typ_check ctxt Ts, ctxt))));
wenzelm@24518
   639
wenzelm@24518
   640
end;
wenzelm@22701
   641
wenzelm@22701
   642
wenzelm@18770
   643
(* inferred types of parameters *)
wenzelm@18770
   644
wenzelm@18770
   645
fun infer_type ctxt x =
wenzelm@24505
   646
  Term.fastype_of (singleton (Syntax.check_terms (set_mode mode_schematic ctxt))
wenzelm@24505
   647
    (Free (x, dummyT)));
wenzelm@18770
   648
wenzelm@18770
   649
fun inferred_param x ctxt =
wenzelm@18619
   650
  let val T = infer_type ctxt x
wenzelm@20163
   651
  in ((x, T), ctxt |> Variable.declare_term (Free (x, T))) end;
wenzelm@18619
   652
wenzelm@18770
   653
fun inferred_fixes ctxt =
wenzelm@20086
   654
  fold_map inferred_param (rev (map #2 (Variable.fixes_of ctxt))) ctxt;
wenzelm@5819
   655
wenzelm@5819
   656
wenzelm@15703
   657
(* type and constant names *)
wenzelm@15703
   658
wenzelm@15703
   659
fun read_tyname ctxt c =
wenzelm@20163
   660
  if Syntax.is_tid c then
wenzelm@19897
   661
    TFree (c, the_default (Sign.defaultS (theory_of ctxt)) (Variable.def_sort ctxt (c, ~1)))
wenzelm@16458
   662
  else Sign.read_tyname (theory_of ctxt) c;
wenzelm@15703
   663
wenzelm@15703
   664
fun read_const ctxt c =
wenzelm@15703
   665
  (case lookup_skolem ctxt c of
wenzelm@21208
   666
    SOME x => Free (x, infer_type ctxt x)
wenzelm@18971
   667
  | NONE => Consts.read_const (consts_of ctxt) c);
wenzelm@15703
   668
wenzelm@15703
   669
wenzelm@9553
   670
wenzelm@24371
   671
(** inner syntax parsers **)
wenzelm@24371
   672
wenzelm@24371
   673
local
wenzelm@24371
   674
wenzelm@24371
   675
fun parse_sort ctxt str =
wenzelm@24371
   676
  Syntax.standard_parse_sort ctxt (syn_of ctxt) (Sign.intern_sort (theory_of ctxt)) str;
wenzelm@24371
   677
wenzelm@24371
   678
fun parse_typ ctxt str =
wenzelm@24371
   679
  let
wenzelm@24371
   680
    val thy = ProofContext.theory_of ctxt;
wenzelm@24371
   681
    val get_sort = Sign.get_sort thy (Variable.def_sort ctxt);
wenzelm@24371
   682
    val T = Sign.intern_tycons thy
wenzelm@24371
   683
      (Syntax.standard_parse_typ ctxt (syn_of ctxt) get_sort (Sign.intern_sort thy) str);
wenzelm@24371
   684
  in T end
wenzelm@24371
   685
  handle ERROR msg => cat_error msg ("The error(s) above occurred in type " ^ quote str);
wenzelm@24371
   686
wenzelm@24371
   687
fun parse_term T ctxt str =
wenzelm@24371
   688
  let
wenzelm@24371
   689
    val thy = theory_of ctxt;
wenzelm@24684
   690
    val infer = singleton (standard_infer_types (Type.set_mode Type.mode_default ctxt)) o
wenzelm@24684
   691
      TypeInfer.constrain T;
wenzelm@24371
   692
    fun check t = Exn.Result (infer t) handle ERROR msg => Exn.Exn (ERROR msg);
wenzelm@24371
   693
    val {get_sort, map_const, map_free, map_type, map_sort} = term_context ctxt;
wenzelm@24511
   694
    val read = Syntax.standard_parse_term (pp ctxt) check get_sort map_const map_free map_type
wenzelm@24511
   695
      map_sort ctxt (Sign.is_logtype thy) (syn_of ctxt) ((#1 (TypeInfer.paramify_dummies T 0)));
wenzelm@24371
   696
  in read str end;
wenzelm@24371
   697
wenzelm@24371
   698
in
wenzelm@24371
   699
wenzelm@24371
   700
val _ = Syntax.install_parsers
wenzelm@24371
   701
  {sort = parse_sort, typ = parse_typ, term = parse_term dummyT, prop = parse_term propT};
wenzelm@24371
   702
wenzelm@24371
   703
end;
wenzelm@24371
   704
wenzelm@24371
   705
wenzelm@24371
   706
wenzelm@21610
   707
(** export results **)
wenzelm@21531
   708
wenzelm@20310
   709
fun common_export is_goal inner outer =
wenzelm@20310
   710
  map (Assumption.export is_goal inner outer) #>
wenzelm@20310
   711
  Variable.export inner outer;
wenzelm@8616
   712
wenzelm@20310
   713
val goal_export = common_export true;
wenzelm@20310
   714
val export = common_export false;
wenzelm@12704
   715
wenzelm@21531
   716
fun export_morphism inner outer =
wenzelm@21531
   717
  Assumption.export_morphism inner outer $>
wenzelm@21531
   718
  Variable.export_morphism inner outer;
wenzelm@21531
   719
wenzelm@21531
   720
wenzelm@15758
   721
wenzelm@5819
   722
(** bindings **)
wenzelm@5819
   723
wenzelm@8096
   724
(* simult_matches *)
wenzelm@8096
   725
wenzelm@19867
   726
fun simult_matches ctxt (t, pats) =
wenzelm@19867
   727
  (case Seq.pull (Unify.matchers (theory_of ctxt) (map (rpair t) pats)) of
wenzelm@19867
   728
    NONE => error "Pattern match failed!"
wenzelm@19867
   729
  | SOME (env, _) => map (apsnd snd) (Envir.alist_of env));
wenzelm@8096
   730
wenzelm@8096
   731
wenzelm@8096
   732
(* add_binds(_i) *)
wenzelm@5819
   733
wenzelm@7925
   734
local
wenzelm@7925
   735
wenzelm@16031
   736
fun gen_bind prep (xi as (x, _), raw_t) ctxt =
wenzelm@24511
   737
  ctxt
wenzelm@24675
   738
  |> Variable.add_binds [(xi, Option.map (prep (set_mode mode_default ctxt)) raw_t)];
wenzelm@5819
   739
wenzelm@10810
   740
in
wenzelm@10810
   741
wenzelm@20330
   742
fun drop_schematic (b as (xi, SOME t)) = if Term.exists_subterm is_Var t then (xi, NONE) else b
wenzelm@10554
   743
  | drop_schematic b = b;
wenzelm@10554
   744
wenzelm@24511
   745
val add_binds = fold (gen_bind Syntax.read_term);
wenzelm@16031
   746
val add_binds_i = fold (gen_bind cert_term);
wenzelm@8616
   747
wenzelm@16458
   748
fun auto_bind f ts ctxt = ctxt |> add_binds_i (map drop_schematic (f (theory_of ctxt) ts));
wenzelm@12147
   749
val auto_bind_goal = auto_bind AutoBind.goal;
wenzelm@12147
   750
val auto_bind_facts = auto_bind AutoBind.facts;
wenzelm@7925
   751
wenzelm@7925
   752
end;
wenzelm@5819
   753
wenzelm@5819
   754
wenzelm@8096
   755
(* match_bind(_i) *)
wenzelm@5819
   756
wenzelm@8096
   757
local
wenzelm@8096
   758
wenzelm@24684
   759
fun gen_bind prep_terms gen raw_binds ctxt =
wenzelm@5819
   760
  let
wenzelm@24684
   761
    fun prep_bind (raw_pats, t) ctxt1 =
wenzelm@24684
   762
      let
wenzelm@24684
   763
        val T = Term.fastype_of t;
wenzelm@24684
   764
        val ctxt2 = Variable.declare_term t ctxt1;
wenzelm@24684
   765
        val pats = prep_terms (set_mode mode_pattern ctxt2) T raw_pats;
wenzelm@24684
   766
        val binds = simult_matches ctxt2 (t, pats);
wenzelm@24684
   767
      in (binds, ctxt2) end;
wenzelm@7670
   768
wenzelm@24684
   769
    val ts = prep_terms ctxt dummyT (map #2 raw_binds);
wenzelm@24684
   770
    val (binds, ctxt') = apfst flat (fold_map prep_bind (map #1 raw_binds ~~ ts) ctxt);
wenzelm@8616
   771
    val binds' =
wenzelm@19916
   772
      if gen then map #1 binds ~~ Variable.exportT_terms ctxt' ctxt (map #2 binds)
wenzelm@8616
   773
      else binds;
skalberg@15531
   774
    val binds'' = map (apsnd SOME) binds';
wenzelm@18310
   775
    val ctxt'' =
wenzelm@19897
   776
      tap (Variable.warn_extra_tfrees ctxt)
wenzelm@18310
   777
       (if gen then
wenzelm@19897
   778
          ctxt (*sic!*) |> fold Variable.declare_term (map #2 binds') |> add_binds_i binds''
wenzelm@18310
   779
        else ctxt' |> add_binds_i binds'');
wenzelm@18310
   780
  in (ts, ctxt'') end;
wenzelm@8096
   781
wenzelm@8096
   782
in
wenzelm@5935
   783
wenzelm@24684
   784
fun read_terms ctxt T =
wenzelm@24684
   785
  map (Syntax.parse_term ctxt #> TypeInfer.constrain T) #> Syntax.check_terms ctxt;
wenzelm@24684
   786
wenzelm@24684
   787
val match_bind = gen_bind read_terms;
wenzelm@24684
   788
val match_bind_i = gen_bind (fn ctxt => fn _ => map (cert_term ctxt));
wenzelm@8096
   789
wenzelm@8096
   790
end;
wenzelm@5935
   791
wenzelm@5935
   792
wenzelm@10465
   793
(* propositions with patterns *)
wenzelm@5935
   794
wenzelm@10465
   795
local
wenzelm@8096
   796
wenzelm@24684
   797
fun prep_propp mode prep_props (context, args) =
wenzelm@10465
   798
  let
wenzelm@19585
   799
    fun prep (_, raw_pats) (ctxt, prop :: props) =
wenzelm@24684
   800
      let val ctxt' = Variable.declare_term prop ctxt
wenzelm@24684
   801
      in ((prop, prep_props (set_mode mode_pattern ctxt') raw_pats), (ctxt', props)) end;
wenzelm@24684
   802
wenzelm@17860
   803
    val (propp, (context', _)) = (fold_map o fold_map) prep args
wenzelm@24684
   804
      (context, prep_props (set_mode mode context) (maps (map fst) args));
wenzelm@10465
   805
  in (context', propp) end;
wenzelm@5935
   806
wenzelm@24684
   807
fun gen_bind_propp mode parse_prop (ctxt, raw_args) =
wenzelm@8096
   808
  let
wenzelm@24684
   809
    val (ctxt', args) = prep_propp mode parse_prop (ctxt, raw_args);
wenzelm@19585
   810
    val binds = flat (flat (map (map (simult_matches ctxt')) args));
wenzelm@10465
   811
    val propss = map (map #1) args;
wenzelm@8616
   812
wenzelm@10554
   813
    (*generalize result: context evaluated now, binds added later*)
wenzelm@19916
   814
    val gen = Variable.exportT_terms ctxt' ctxt;
skalberg@15531
   815
    fun gen_binds c = c |> add_binds_i (map #1 binds ~~ map SOME (gen (map #2 binds)));
skalberg@15531
   816
  in (ctxt' |> add_binds_i (map (apsnd SOME) binds), (propss, gen_binds)) end;
wenzelm@8096
   817
wenzelm@10465
   818
in
wenzelm@10465
   819
wenzelm@24684
   820
val read_propp           = prep_propp mode_default Syntax.read_props;
wenzelm@24684
   821
val cert_propp           = prep_propp mode_default (map o cert_prop);
wenzelm@24684
   822
val read_propp_schematic = prep_propp mode_schematic Syntax.read_props;
wenzelm@24684
   823
val cert_propp_schematic = prep_propp mode_schematic (map o cert_prop);
wenzelm@10554
   824
wenzelm@24684
   825
val bind_propp             = gen_bind_propp mode_default Syntax.read_props;
wenzelm@24684
   826
val bind_propp_i           = gen_bind_propp mode_default (map o cert_prop);
wenzelm@24684
   827
val bind_propp_schematic   = gen_bind_propp mode_schematic Syntax.read_props;
wenzelm@24684
   828
val bind_propp_schematic_i = gen_bind_propp mode_schematic (map o cert_prop);
wenzelm@6789
   829
wenzelm@10465
   830
end;
wenzelm@10465
   831
wenzelm@6789
   832
wenzelm@5819
   833
wenzelm@5819
   834
(** theorems **)
wenzelm@5819
   835
wenzelm@18042
   836
(* fact_tac *)
wenzelm@18042
   837
wenzelm@18122
   838
fun comp_incr_tac [] _ st = no_tac st
wenzelm@18122
   839
  | comp_incr_tac (th :: ths) i st =
wenzelm@18122
   840
      (Goal.compose_hhf_tac (Drule.incr_indexes st th) i APPEND comp_incr_tac ths i) st;
wenzelm@18042
   841
wenzelm@21687
   842
fun fact_tac facts = Goal.norm_hhf_tac THEN' comp_incr_tac facts;
wenzelm@18122
   843
wenzelm@18122
   844
fun some_fact_tac ctxt = SUBGOAL (fn (goal, i) =>
wenzelm@18042
   845
  let
wenzelm@19001
   846
    val index = fact_index_of ctxt;
wenzelm@18042
   847
    val facts = FactIndex.could_unify index (Term.strip_all_body goal);
wenzelm@18042
   848
  in fact_tac facts i end);
wenzelm@18042
   849
wenzelm@18042
   850
wenzelm@6091
   851
(* get_thm(s) *)
wenzelm@5819
   852
wenzelm@18042
   853
fun retrieve_thms _ pick ctxt (Fact s) =
wenzelm@16501
   854
      let
wenzelm@24511
   855
        val prop = Syntax.read_prop (set_mode mode_default ctxt) s
wenzelm@24511
   856
          |> singleton (Variable.polymorphic ctxt);
wenzelm@24511
   857
        val th = Goal.prove ctxt [] [] prop (K (ALLGOALS (some_fact_tac ctxt)))
wenzelm@18678
   858
          handle ERROR msg => cat_error msg "Failed to retrieve literal fact.";
wenzelm@18042
   859
      in pick "" [th] end
wenzelm@18042
   860
  | retrieve_thms from_thy pick ctxt xthmref =
wenzelm@18042
   861
      let
wenzelm@18042
   862
        val thy = theory_of ctxt;
wenzelm@19001
   863
        val (space, tab) = #1 (thms_of ctxt);
wenzelm@16501
   864
        val thmref = PureThy.map_name_of_thmref (NameSpace.intern space) xthmref;
wenzelm@16501
   865
        val name = PureThy.name_of_thmref thmref;
wenzelm@24012
   866
        val thms =
wenzelm@24012
   867
          if name = "" then [Thm.transfer thy Drule.dummy_thm]
wenzelm@24012
   868
          else
wenzelm@24012
   869
            (case Symtab.lookup tab name of
wenzelm@24012
   870
              SOME ths => map (Thm.transfer thy) (PureThy.select_thm thmref ths)
wenzelm@24012
   871
            | NONE => from_thy thy xthmref);
wenzelm@24012
   872
      in pick name thms end;
wenzelm@5819
   873
wenzelm@9566
   874
val get_thm = retrieve_thms PureThy.get_thms PureThy.single_thm;
wenzelm@9566
   875
val get_thm_closure = retrieve_thms PureThy.get_thms_closure PureThy.single_thm;
wenzelm@9566
   876
val get_thms = retrieve_thms PureThy.get_thms (K I);
wenzelm@9566
   877
val get_thms_closure = retrieve_thms PureThy.get_thms_closure (K I);
wenzelm@5819
   878
wenzelm@5819
   879
wenzelm@16031
   880
(* valid_thms *)
wenzelm@16031
   881
wenzelm@16031
   882
fun valid_thms ctxt (name, ths) =
wenzelm@18678
   883
  (case try (fn () => get_thms ctxt (Name name)) () of
wenzelm@16031
   884
    NONE => false
wenzelm@16147
   885
  | SOME ths' => Thm.eq_thms (ths, ths'));
wenzelm@16031
   886
wenzelm@16031
   887
wenzelm@16031
   888
(* lthms_containing *)
wenzelm@16031
   889
wenzelm@16031
   890
fun lthms_containing ctxt spec =
wenzelm@16031
   891
  FactIndex.find (fact_index_of ctxt) spec
wenzelm@21569
   892
  |> map (fn (name, ths) =>
wenzelm@21569
   893
    if valid_thms ctxt (name, ths) then (name, ths)
wenzelm@21569
   894
    else (NameSpace.hidden (if name = "" then "unnamed" else name), ths));
wenzelm@16031
   895
wenzelm@16031
   896
wenzelm@13425
   897
(* name space operations *)
wenzelm@12309
   898
haftmann@22352
   899
val add_path        = map_naming o NameSpace.add_path;
wenzelm@19062
   900
val no_base_names   = map_naming NameSpace.no_base_names;
wenzelm@16147
   901
val qualified_names = map_naming NameSpace.qualified_names;
wenzelm@19062
   902
val sticky_prefix   = map_naming o NameSpace.sticky_prefix;
wenzelm@19062
   903
val restore_naming  = map_naming o K o naming_of;
wenzelm@21728
   904
val reset_naming    = map_naming (K local_naming);
wenzelm@12309
   905
wenzelm@19001
   906
fun hide_thms fully names = map_thms (fn ((space, tab), index) =>
wenzelm@19001
   907
  ((fold (NameSpace.hide fully) names space, tab), index));
wenzelm@13425
   908
wenzelm@12309
   909
wenzelm@17360
   910
(* put_thms *)
wenzelm@5819
   911
wenzelm@21443
   912
fun update_thms _ ("", NONE) ctxt = ctxt
wenzelm@21648
   913
  | update_thms opts ("", SOME ths) ctxt = ctxt |> map_thms (fn (facts, index) =>
wenzelm@18672
   914
      let
wenzelm@21648
   915
        val index' = uncurry FactIndex.add_local opts ("", ths) index;
wenzelm@19001
   916
      in (facts, index') end)
wenzelm@21443
   917
  | update_thms _ (bname, NONE) ctxt = ctxt |> map_thms (fn ((space, tab), index) =>
wenzelm@18672
   918
      let
wenzelm@19387
   919
        val name = full_name ctxt bname;
wenzelm@18672
   920
        val tab' = Symtab.delete_safe name tab;
wenzelm@19001
   921
      in ((space, tab'), index) end)
wenzelm@21648
   922
  | update_thms opts (bname, SOME ths) ctxt = ctxt |> map_thms (fn ((space, tab), index) =>
wenzelm@18672
   923
      let
wenzelm@19387
   924
        val name = full_name ctxt bname;
wenzelm@19001
   925
        val space' = NameSpace.declare (naming_of ctxt) name space;
wenzelm@18672
   926
        val tab' = Symtab.update (name, ths) tab;
wenzelm@21648
   927
        val index' = uncurry FactIndex.add_local opts (name, ths) index;
wenzelm@19001
   928
      in ((space', tab'), index') end);
wenzelm@5819
   929
wenzelm@21443
   930
fun put_thms thms ctxt =
wenzelm@21648
   931
  ctxt |> map_naming (K local_naming) |> update_thms (true, false) thms |> restore_naming ctxt;
wenzelm@19079
   932
wenzelm@7606
   933
wenzelm@14564
   934
(* note_thmss *)
wenzelm@5819
   935
wenzelm@12711
   936
local
wenzelm@16147
   937
wenzelm@21443
   938
fun gen_note_thmss get k = fold_map (fn ((bname, more_attrs), raw_facts) => fn ctxt =>
wenzelm@5819
   939
  let
wenzelm@21643
   940
    val name = full_name ctxt bname;
wenzelm@21643
   941
    val facts = PureThy.name_thmss false name (map (apfst (get ctxt)) raw_facts);
wenzelm@21443
   942
    fun app (th, attrs) x =
wenzelm@21643
   943
      swap (foldl_map (Thm.proof_attributes (attrs @ more_attrs @ [PureThy.kind k])) (x, th));
wenzelm@21443
   944
    val (res, ctxt') = fold_map app facts ctxt;
wenzelm@21643
   945
    val thms = PureThy.name_thms false false name (flat res);
wenzelm@24388
   946
    val Mode {stmt, ...} = get_mode ctxt;
wenzelm@24388
   947
  in ((bname, thms), ctxt' |> update_thms (stmt, true) (bname, SOME thms)) end);
wenzelm@12711
   948
wenzelm@12711
   949
in
wenzelm@12711
   950
haftmann@21622
   951
fun note_thmss k = gen_note_thmss get_thms k;
haftmann@21622
   952
fun note_thmss_i k = gen_note_thmss (K I) k;
ballarin@15696
   953
wenzelm@12711
   954
end;
wenzelm@9196
   955
wenzelm@5819
   956
wenzelm@5819
   957
wenzelm@18672
   958
(** parameters **)
wenzelm@17360
   959
wenzelm@8096
   960
(* variables *)
wenzelm@8096
   961
wenzelm@19897
   962
fun declare_var (x, opt_T, mx) ctxt =
wenzelm@22701
   963
  let val T = (case opt_T of SOME T => T | NONE => Syntax.mixfixT mx)
wenzelm@20163
   964
  in ((x, T, mx), ctxt |> Variable.declare_constraints (Free (x, T))) end;
wenzelm@19897
   965
wenzelm@10381
   966
local
wenzelm@10381
   967
wenzelm@18672
   968
fun prep_vars prep_typ internal legacy =
wenzelm@18672
   969
  fold_map (fn (raw_x, raw_T, raw_mx) => fn ctxt =>
wenzelm@18672
   970
    let
wenzelm@19371
   971
      val (x, mx) = Syntax.const_mixfix raw_x raw_mx;
wenzelm@18672
   972
      val _ =
wenzelm@18678
   973
        if not legacy andalso not (Syntax.is_identifier (no_skolem internal x)) then
wenzelm@18678
   974
          error ("Illegal variable name: " ^ quote x)
wenzelm@18672
   975
        else ();
wenzelm@12504
   976
wenzelm@18672
   977
      fun cond_tvars T =
wenzelm@18672
   978
        if internal then T
wenzelm@18678
   979
        else Type.no_tvars T handle TYPE (msg, _, _) => error msg;
wenzelm@24277
   980
      val opt_T = Option.map (cond_tvars o cert_typ ctxt o prep_typ ctxt) raw_T;
wenzelm@18672
   981
      val var = (x, opt_T, mx);
wenzelm@19001
   982
    in (var, ctxt |> declare_var var |> #2) end);
wenzelm@8096
   983
wenzelm@10381
   984
in
wenzelm@10381
   985
wenzelm@24277
   986
val read_vars        = prep_vars Syntax.parse_typ false false;
wenzelm@24277
   987
val cert_vars        = prep_vars (K I) true false;
wenzelm@24277
   988
val read_vars_legacy = prep_vars Syntax.parse_typ true true;
wenzelm@24277
   989
val cert_vars_legacy = prep_vars (K I) true true;
wenzelm@8096
   990
wenzelm@10381
   991
end;
wenzelm@10381
   992
wenzelm@8096
   993
wenzelm@19681
   994
(* authentic constants *)
wenzelm@19663
   995
wenzelm@21208
   996
fun const_syntax ctxt (Free (x, T), mx) = SOME (true, (x, T, mx))
wenzelm@21667
   997
  | const_syntax ctxt (Const (c, _), mx) =
wenzelm@21667
   998
      Option.map (pair false) (try (Consts.syntax (consts_of ctxt)) (c, mx))
wenzelm@21208
   999
  | const_syntax _ _ = NONE;
wenzelm@21208
  1000
wenzelm@21772
  1001
fun context_const_ast_tr ctxt [Syntax.Variable c] =
wenzelm@19681
  1002
      let
wenzelm@21772
  1003
        val consts = consts_of ctxt;
wenzelm@19681
  1004
        val c' = Consts.intern consts c;
wenzelm@21728
  1005
        val _ = Consts.the_constraint consts c' handle TYPE (msg, _, _) => error msg;
wenzelm@19681
  1006
      in Syntax.Constant (Syntax.constN ^ c') end
wenzelm@19681
  1007
  | context_const_ast_tr _ asts = raise Syntax.AST ("const_ast_tr", asts);
wenzelm@19681
  1008
wenzelm@19681
  1009
val _ = Context.add_setup
wenzelm@19681
  1010
 (Sign.add_syntax
wenzelm@19681
  1011
   [("_context_const", "id => 'a", Delimfix "CONST _"),
wenzelm@19681
  1012
    ("_context_const", "longid => 'a", Delimfix "CONST _")] #>
wenzelm@19681
  1013
  Sign.add_advanced_trfuns ([("_context_const", context_const_ast_tr)], [], [], []));
wenzelm@19681
  1014
wenzelm@19663
  1015
wenzelm@21744
  1016
(* notation *)
wenzelm@21744
  1017
wenzelm@21744
  1018
fun add_notation mode args ctxt =
wenzelm@21744
  1019
  ctxt |> map_syntax
wenzelm@21744
  1020
    (LocalSyntax.add_modesyntax (theory_of ctxt) mode (map_filter (const_syntax ctxt) args));
wenzelm@21744
  1021
wenzelm@21803
  1022
fun target_notation mode args phi =
wenzelm@21803
  1023
  let val args' = filter (fn (t, _) => Term.equiv_types (t, Morphism.term phi t)) args;
wenzelm@21744
  1024
  in Context.mapping (Sign.add_notation mode args') (add_notation mode args') end;
wenzelm@21744
  1025
wenzelm@21744
  1026
wenzelm@19001
  1027
(* abbreviations *)
wenzelm@19001
  1028
wenzelm@21704
  1029
fun add_abbrev mode (c, raw_t) ctxt =
wenzelm@19001
  1030
  let
wenzelm@24675
  1031
    val t0 = cert_term (ctxt |> set_mode mode_abbrev) raw_t
wenzelm@21681
  1032
      handle ERROR msg => cat_error msg ("in constant abbreviation " ^ quote c);
wenzelm@20008
  1033
    val [t] = Variable.exportT_terms (Variable.declare_term t0 ctxt) ctxt [t0];
wenzelm@21807
  1034
    val ((lhs, rhs), consts') = consts_of ctxt
wenzelm@21728
  1035
      |> Consts.abbreviate (pp ctxt) (tsig_of ctxt) (naming_of ctxt) mode (c, t);
wenzelm@19001
  1036
  in
wenzelm@19001
  1037
    ctxt
wenzelm@21681
  1038
    |> map_consts (apsnd (K consts'))
wenzelm@21803
  1039
    |> Variable.declare_term rhs
wenzelm@21803
  1040
    |> pair (lhs, rhs)
wenzelm@21704
  1041
  end;
wenzelm@19001
  1042
wenzelm@19001
  1043
wenzelm@18672
  1044
(* fixes *)
wenzelm@5819
  1045
wenzelm@8096
  1046
local
wenzelm@8096
  1047
wenzelm@19001
  1048
fun prep_mixfix (x, T, mx) =
wenzelm@19019
  1049
  if mx <> NoSyn andalso mx <> Structure andalso
wenzelm@20086
  1050
      (can Name.dest_internal x orelse can Name.dest_skolem x) then
wenzelm@19001
  1051
    error ("Illegal mixfix syntax for internal/skolem constant " ^ quote x)
wenzelm@19001
  1052
  else (true, (x, T, mx));
wenzelm@19001
  1053
wenzelm@18844
  1054
fun gen_fixes prep raw_vars ctxt =
wenzelm@8096
  1055
  let
wenzelm@22712
  1056
    val (vars, _) = prep raw_vars ctxt;
wenzelm@22712
  1057
    val (xs', ctxt') = Variable.add_fixes (map #1 vars) ctxt;
wenzelm@8096
  1058
  in
wenzelm@22712
  1059
    ctxt'
wenzelm@19001
  1060
    |> fold_map declare_var (map2 (fn x' => fn (_, T, mx) => (x', T, mx)) xs' vars)
wenzelm@19897
  1061
    |-> (map_syntax o LocalSyntax.add_syntax (theory_of ctxt) o map prep_mixfix)
wenzelm@18672
  1062
    |> pair xs'
wenzelm@8096
  1063
  end;
wenzelm@5819
  1064
wenzelm@8096
  1065
in
wenzelm@7679
  1066
wenzelm@18844
  1067
val add_fixes = gen_fixes read_vars;
wenzelm@18844
  1068
val add_fixes_i = gen_fixes cert_vars;
wenzelm@18844
  1069
val add_fixes_legacy = gen_fixes cert_vars_legacy;
wenzelm@8096
  1070
wenzelm@8096
  1071
end;
wenzelm@5819
  1072
wenzelm@18672
  1073
wenzelm@18672
  1074
(* fixes vs. frees *)
wenzelm@12016
  1075
wenzelm@18672
  1076
fun auto_fixes (arg as (ctxt, (propss, x))) =
wenzelm@21370
  1077
  ((fold o fold) Variable.auto_fixes propss ctxt, (propss, x));
wenzelm@18672
  1078
wenzelm@18672
  1079
fun bind_fixes xs ctxt =
wenzelm@9291
  1080
  let
wenzelm@18672
  1081
    val (_, ctxt') = ctxt |> add_fixes_i (map (fn x => (x, NONE, NoSyn)) xs);
wenzelm@9291
  1082
    fun bind (t as Free (x, T)) =
wenzelm@18340
  1083
          if member (op =) xs x then
skalberg@15531
  1084
            (case lookup_skolem ctxt' x of SOME x' => Free (x', T) | NONE => t)
wenzelm@9291
  1085
          else t
wenzelm@9291
  1086
      | bind (t $ u) = bind t $ bind u
wenzelm@9291
  1087
      | bind (Abs (x, T, t)) = Abs (x, T, bind t)
wenzelm@9291
  1088
      | bind a = a;
wenzelm@18672
  1089
  in (bind, ctxt') end;
wenzelm@18672
  1090
wenzelm@9291
  1091
wenzelm@9291
  1092
wenzelm@18672
  1093
(** assumptions **)
wenzelm@18187
  1094
wenzelm@20209
  1095
local
wenzelm@20209
  1096
wenzelm@20209
  1097
fun gen_assms prepp exp args ctxt =
wenzelm@20209
  1098
  let
wenzelm@20234
  1099
    val cert = Thm.cterm_of (theory_of ctxt);
wenzelm@20209
  1100
    val (propss, ctxt1) = swap (prepp (ctxt, map snd args));
wenzelm@20234
  1101
    val _ = Variable.warn_extra_tfrees ctxt ctxt1;
wenzelm@20234
  1102
    val (premss, ctxt2) = fold_burrow (Assumption.add_assms exp o map cert) propss ctxt1;
wenzelm@20234
  1103
  in
wenzelm@20234
  1104
    ctxt2
wenzelm@20234
  1105
    |> auto_bind_facts (flat propss)
wenzelm@21443
  1106
    |> put_thms (AutoBind.premsN, SOME (Assumption.prems_of ctxt2))
wenzelm@21443
  1107
    |> note_thmss_i Thm.assumptionK (map fst args ~~ map (map (fn th => ([th], []))) premss)
wenzelm@20234
  1108
  end;
wenzelm@20209
  1109
wenzelm@20209
  1110
in
wenzelm@20209
  1111
wenzelm@20209
  1112
val add_assms = gen_assms (apsnd #1 o bind_propp);
wenzelm@20209
  1113
val add_assms_i = gen_assms (apsnd #1 o bind_propp_i);
wenzelm@20209
  1114
wenzelm@20209
  1115
end;
wenzelm@20209
  1116
wenzelm@20209
  1117
wenzelm@5819
  1118
wenzelm@8373
  1119
(** cases **)
wenzelm@8373
  1120
wenzelm@16147
  1121
local
wenzelm@16147
  1122
wenzelm@16668
  1123
fun rem_case name = remove (fn (x: string, (y, _)) => x = y) name;
wenzelm@16147
  1124
wenzelm@18476
  1125
fun add_case _ ("", _) cases = cases
wenzelm@18476
  1126
  | add_case _ (name, NONE) cases = rem_case name cases
wenzelm@18476
  1127
  | add_case is_proper (name, SOME c) cases = (name, (c, is_proper)) :: rem_case name cases;
wenzelm@16147
  1128
wenzelm@18678
  1129
fun prep_case name fxs c =
wenzelm@18609
  1130
  let
wenzelm@18609
  1131
    fun replace (opt_x :: xs) ((y, T) :: ys) = (the_default y opt_x, T) :: replace xs ys
wenzelm@18609
  1132
      | replace [] ys = ys
wenzelm@18678
  1133
      | replace (_ :: _) [] = error ("Too many parameters for case " ^ quote name);
wenzelm@18609
  1134
    val RuleCases.Case {fixes, assumes, binds, cases} = c;
wenzelm@18609
  1135
    val fixes' = replace fxs fixes;
wenzelm@18609
  1136
    val binds' = map drop_schematic binds;
wenzelm@18609
  1137
  in
wenzelm@18609
  1138
    if null (fold (Term.add_tvarsT o snd) fixes []) andalso
wenzelm@18609
  1139
      null (fold (fold Term.add_vars o snd) assumes []) then
wenzelm@18609
  1140
        RuleCases.Case {fixes = fixes', assumes = assumes, binds = binds', cases = cases}
wenzelm@18678
  1141
    else error ("Illegal schematic variable(s) in case " ^ quote name)
wenzelm@18609
  1142
  end;
wenzelm@18609
  1143
wenzelm@18672
  1144
fun fix (x, T) ctxt =
wenzelm@18672
  1145
  let
wenzelm@18672
  1146
    val (bind, ctxt') = bind_fixes [x] ctxt;
wenzelm@18672
  1147
    val t = bind (Free (x, T));
wenzelm@20163
  1148
  in (t, ctxt' |> Variable.declare_constraints t) end;
wenzelm@18672
  1149
wenzelm@16147
  1150
in
wenzelm@16147
  1151
wenzelm@18672
  1152
fun add_cases is_proper = map_cases o fold (add_case is_proper);
wenzelm@18609
  1153
wenzelm@18609
  1154
fun case_result c ctxt =
wenzelm@18609
  1155
  let
wenzelm@18609
  1156
    val RuleCases.Case {fixes, ...} = c;
wenzelm@18672
  1157
    val (ts, ctxt') = ctxt |> fold_map fix fixes;
wenzelm@18672
  1158
    val RuleCases.Case {assumes, binds, cases, ...} = RuleCases.apply ts c;
wenzelm@18609
  1159
  in
wenzelm@18609
  1160
    ctxt'
wenzelm@18699
  1161
    |> add_binds_i (map drop_schematic binds)
wenzelm@18609
  1162
    |> add_cases true (map (apsnd SOME) cases)
wenzelm@18609
  1163
    |> pair (assumes, (binds, cases))
wenzelm@18609
  1164
  end;
wenzelm@18609
  1165
wenzelm@18609
  1166
val apply_case = apfst fst oo case_result;
wenzelm@18609
  1167
wenzelm@16540
  1168
fun get_case ctxt name xs =
wenzelm@17184
  1169
  (case AList.lookup (op =) (cases_of ctxt) name of
wenzelm@18678
  1170
    NONE => error ("Unknown case: " ^ quote name)
wenzelm@18678
  1171
  | SOME (c, _) => prep_case name xs c);
wenzelm@8373
  1172
wenzelm@16147
  1173
end;
wenzelm@8373
  1174
wenzelm@8373
  1175
wenzelm@8373
  1176
wenzelm@10810
  1177
(** print context information **)
wenzelm@10810
  1178
wenzelm@20310
  1179
val debug = ref false;
wenzelm@20310
  1180
wenzelm@10810
  1181
val verbose = ref false;
wenzelm@10810
  1182
fun verb f x = if ! verbose then f (x ()) else [];
wenzelm@10810
  1183
wenzelm@10810
  1184
fun setmp_verbose f x = Library.setmp verbose true f x;
wenzelm@10810
  1185
wenzelm@10810
  1186
wenzelm@12072
  1187
(* local syntax *)
wenzelm@12072
  1188
wenzelm@12093
  1189
val print_syntax = Syntax.print_syntax o syn_of;
wenzelm@12072
  1190
wenzelm@12072
  1191
wenzelm@21728
  1192
(* abbreviations *)
wenzelm@18971
  1193
wenzelm@21728
  1194
fun pretty_abbrevs show_globals ctxt =
wenzelm@18971
  1195
  let
wenzelm@19033
  1196
    val ((_, globals), (space, consts)) =
wenzelm@19033
  1197
      pairself (#constants o Consts.dest) (#consts (rep_context ctxt));
wenzelm@21803
  1198
    fun add_abbr (_, (_, NONE)) = I
wenzelm@21803
  1199
      | add_abbr (c, (T, SOME (t, _))) =
wenzelm@21728
  1200
          if not show_globals andalso Symtab.defined globals c then I
wenzelm@21728
  1201
          else cons (c, Logic.mk_equals (Const (c, T), t));
wenzelm@21803
  1202
    val abbrevs = NameSpace.extern_table (space, Symtab.make (Symtab.fold add_abbr consts []));
wenzelm@18971
  1203
  in
wenzelm@18971
  1204
    if null abbrevs andalso not (! verbose) then []
wenzelm@21728
  1205
    else [Pretty.big_list "abbreviations:" (map (pretty_term_abbrev ctxt o #2) abbrevs)]
wenzelm@18971
  1206
  end;
wenzelm@18971
  1207
wenzelm@21728
  1208
val print_abbrevs = Pretty.writeln o Pretty.chunks o pretty_abbrevs true;
wenzelm@21728
  1209
wenzelm@18971
  1210
wenzelm@10810
  1211
(* term bindings *)
wenzelm@10810
  1212
wenzelm@16540
  1213
fun pretty_binds ctxt =
wenzelm@10810
  1214
  let
wenzelm@19897
  1215
    val binds = Variable.binds_of ctxt;
wenzelm@21728
  1216
    fun prt_bind (xi, (T, t)) = pretty_term_abbrev ctxt (Logic.mk_equals (Var (xi, T), t));
wenzelm@10810
  1217
  in
wenzelm@15758
  1218
    if Vartab.is_empty binds andalso not (! verbose) then []
wenzelm@15758
  1219
    else [Pretty.big_list "term bindings:" (map prt_bind (Vartab.dest binds))]
wenzelm@10810
  1220
  end;
wenzelm@10810
  1221
wenzelm@10810
  1222
val print_binds = Pretty.writeln o Pretty.chunks o pretty_binds;
wenzelm@10810
  1223
wenzelm@10810
  1224
wenzelm@10810
  1225
(* local theorems *)
wenzelm@10810
  1226
wenzelm@16540
  1227
fun pretty_lthms ctxt =
wenzelm@20012
  1228
  let
wenzelm@20012
  1229
    val props = FactIndex.props (fact_index_of ctxt);
wenzelm@20012
  1230
    val facts =
wenzelm@20012
  1231
      (if null props then I else cons ("unnamed", props))
wenzelm@20012
  1232
      (NameSpace.extern_table (#1 (thms_of ctxt)));
wenzelm@20012
  1233
  in
wenzelm@20012
  1234
    if null facts andalso not (! verbose) then []
wenzelm@20012
  1235
    else [Pretty.big_list "facts:" (map (pretty_fact ctxt) facts)]
wenzelm@20012
  1236
  end;
wenzelm@10810
  1237
wenzelm@12057
  1238
val print_lthms = Pretty.writeln o Pretty.chunks o pretty_lthms;
wenzelm@10810
  1239
wenzelm@10810
  1240
wenzelm@10810
  1241
(* local contexts *)
wenzelm@10810
  1242
wenzelm@16540
  1243
fun pretty_cases ctxt =
wenzelm@10810
  1244
  let
wenzelm@12057
  1245
    val prt_term = pretty_term ctxt;
wenzelm@12057
  1246
wenzelm@10810
  1247
    fun prt_let (xi, t) = Pretty.block
wenzelm@10818
  1248
      [Pretty.quote (prt_term (Var (xi, Term.fastype_of t))), Pretty.str " =", Pretty.brk 1,
wenzelm@10810
  1249
        Pretty.quote (prt_term t)];
wenzelm@10810
  1250
wenzelm@13425
  1251
    fun prt_asm (a, ts) = Pretty.block (Pretty.breaks
wenzelm@13425
  1252
      ((if a = "" then [] else [Pretty.str (a ^ ":")]) @ map (Pretty.quote o prt_term) ts));
wenzelm@13425
  1253
wenzelm@10810
  1254
    fun prt_sect _ _ _ [] = []
wenzelm@10810
  1255
      | prt_sect s sep prt xs = [Pretty.block (Pretty.breaks (Pretty.str s ::
wenzelm@19482
  1256
            flat (Library.separate sep (map (Library.single o prt) xs))))];
wenzelm@10810
  1257
wenzelm@18609
  1258
    fun prt_case (name, (fixes, (asms, (lets, cs)))) = Pretty.block (Pretty.fbreaks
wenzelm@10810
  1259
      (Pretty.str (name ^ ":") ::
wenzelm@11915
  1260
        prt_sect "fix" [] (Pretty.str o fst) fixes @
wenzelm@10810
  1261
        prt_sect "let" [Pretty.str "and"] prt_let
wenzelm@19482
  1262
          (map_filter (fn (xi, SOME t) => SOME (xi, t) | _ => NONE) lets) @
wenzelm@13425
  1263
        (if forall (null o #2) asms then []
wenzelm@18609
  1264
          else prt_sect "assume" [Pretty.str "and"] prt_asm asms) @
wenzelm@18609
  1265
        prt_sect "subcases:" [] (Pretty.str o fst) cs));
wenzelm@16540
  1266
wenzelm@18476
  1267
    fun add_case (_, (_, false)) = I
wenzelm@18609
  1268
      | add_case (name, (c as RuleCases.Case {fixes, ...}, true)) =
wenzelm@18609
  1269
          cons (name, (fixes, #1 (case_result c ctxt)));
wenzelm@18476
  1270
    val cases = fold add_case (cases_of ctxt) [];
wenzelm@10810
  1271
  in
wenzelm@10810
  1272
    if null cases andalso not (! verbose) then []
wenzelm@18476
  1273
    else [Pretty.big_list "cases:" (map prt_case cases)]
wenzelm@10810
  1274
  end;
wenzelm@10810
  1275
wenzelm@10810
  1276
val print_cases = Pretty.writeln o Pretty.chunks o pretty_cases;
wenzelm@10810
  1277
wenzelm@10810
  1278
wenzelm@12057
  1279
(* core context *)
wenzelm@10810
  1280
wenzelm@20367
  1281
val prems_limit = ref ~1;
wenzelm@10810
  1282
wenzelm@18672
  1283
fun pretty_ctxt ctxt =
wenzelm@20310
  1284
  if ! prems_limit < 0 andalso not (! debug) then []
wenzelm@20310
  1285
  else
wenzelm@20310
  1286
    let
wenzelm@20310
  1287
      val prt_term = pretty_term ctxt;
wenzelm@12057
  1288
wenzelm@20310
  1289
      (*structures*)
wenzelm@20310
  1290
      val structs = LocalSyntax.structs_of (syntax_of ctxt);
wenzelm@20310
  1291
      val prt_structs = if null structs then []
wenzelm@20310
  1292
        else [Pretty.block (Pretty.str "structures:" :: Pretty.brk 1 ::
wenzelm@20310
  1293
          Pretty.commas (map Pretty.str structs))];
wenzelm@12093
  1294
wenzelm@20310
  1295
      (*fixes*)
wenzelm@20310
  1296
      fun prt_fix (x, x') =
wenzelm@20310
  1297
        if x = x' then Pretty.str x
wenzelm@20310
  1298
        else Pretty.block [Pretty.str x, Pretty.str " =", Pretty.brk 1, prt_term (Syntax.free x')];
wenzelm@20310
  1299
      val fixes =
wenzelm@20310
  1300
        rev (filter_out ((can Name.dest_internal orf member (op =) structs) o #1)
wenzelm@20310
  1301
          (Variable.fixes_of ctxt));
wenzelm@20310
  1302
      val prt_fixes = if null fixes then []
wenzelm@20310
  1303
        else [Pretty.block (Pretty.str "fixed variables:" :: Pretty.brk 1 ::
wenzelm@20310
  1304
          Pretty.commas (map prt_fix fixes))];
wenzelm@12057
  1305
wenzelm@20310
  1306
      (*prems*)
wenzelm@20310
  1307
      val prems = Assumption.prems_of ctxt;
wenzelm@20310
  1308
      val len = length prems;
wenzelm@20367
  1309
      val suppressed = len - ! prems_limit;
wenzelm@20310
  1310
      val prt_prems = if null prems then []
wenzelm@20367
  1311
        else [Pretty.big_list "prems:" ((if suppressed <= 0 then [] else [Pretty.str "..."]) @
wenzelm@20367
  1312
          map (pretty_thm ctxt) (Library.drop (suppressed, prems)))];
wenzelm@20310
  1313
    in prt_structs @ prt_fixes @ prt_prems end;
wenzelm@10810
  1314
wenzelm@10810
  1315
wenzelm@10810
  1316
(* main context *)
wenzelm@10810
  1317
wenzelm@16540
  1318
fun pretty_context ctxt =
wenzelm@10810
  1319
  let
wenzelm@12057
  1320
    val prt_term = pretty_term ctxt;
wenzelm@12057
  1321
    val prt_typ = pretty_typ ctxt;
wenzelm@12057
  1322
    val prt_sort = pretty_sort ctxt;
wenzelm@10810
  1323
wenzelm@10810
  1324
    (*theory*)
wenzelm@12057
  1325
    val pretty_thy = Pretty.block
wenzelm@17384
  1326
      [Pretty.str "theory:", Pretty.brk 1, Context.pretty_thy (theory_of ctxt)];
wenzelm@10810
  1327
wenzelm@10810
  1328
    (*defaults*)
wenzelm@10810
  1329
    fun prt_atom prt prtT (x, X) = Pretty.block
wenzelm@10810
  1330
      [prt x, Pretty.str " ::", Pretty.brk 1, prtT X];
wenzelm@10810
  1331
wenzelm@10810
  1332
    fun prt_var (x, ~1) = prt_term (Syntax.free x)
wenzelm@10810
  1333
      | prt_var xi = prt_term (Syntax.var xi);
wenzelm@10810
  1334
wenzelm@10810
  1335
    fun prt_varT (x, ~1) = prt_typ (TFree (x, []))
wenzelm@10810
  1336
      | prt_varT xi = prt_typ (TVar (xi, []));
wenzelm@10810
  1337
wenzelm@10810
  1338
    val prt_defT = prt_atom prt_var prt_typ;
wenzelm@10810
  1339
    val prt_defS = prt_atom prt_varT prt_sort;
wenzelm@16540
  1340
wenzelm@20163
  1341
    val (types, sorts) = Variable.constraints_of ctxt;
wenzelm@10810
  1342
  in
wenzelm@18609
  1343
    verb single (K pretty_thy) @
wenzelm@18672
  1344
    pretty_ctxt ctxt @
wenzelm@21728
  1345
    verb (pretty_abbrevs false) (K ctxt) @
wenzelm@10810
  1346
    verb pretty_binds (K ctxt) @
wenzelm@12057
  1347
    verb pretty_lthms (K ctxt) @
wenzelm@10810
  1348
    verb pretty_cases (K ctxt) @
wenzelm@18609
  1349
    verb single (fn () => Pretty.big_list "type constraints:" (map prt_defT (Vartab.dest types))) @
wenzelm@20163
  1350
    verb single (fn () => Pretty.big_list "default sorts:" (map prt_defS (Vartab.dest sorts)))
wenzelm@10810
  1351
  end;
wenzelm@10810
  1352
wenzelm@5819
  1353
end;