src/Pure/Isar/proof_context.ML
author wenzelm
Wed, 13 Apr 2005 18:51:28 +0200
changeset 15725 95c33d627cdd
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child 15735 953f188e16c6
permissions -rw-r--r--
*** MESSAGE REFERS TO PREVIOUS VERSION *** added read_tyname/const;
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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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Proof context information.
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*)
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(*Jia: changed: datatype context
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       affected files:  make_context, map_context, init, put_data, add_syntax, map_defaults, del_bind, upd_bind, qualified, hide_thms, put_thms, reset_thms, gen_assms, map_fixes, add_cases
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       added: put_delta, get_delta
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       06/01/05
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*)
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val show_structs = ref false;
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signature PROOF_CONTEXT =
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sig
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  type context
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  type exporter
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  exception CONTEXT of string * context
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  val theory_of: context -> theory
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  val sign_of: context -> Sign.sg
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  val is_fixed: context -> string -> bool
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  val fixed_names_of: context -> string list
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  val assumptions_of: context -> (cterm list * exporter) list
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  val prems_of: context -> thm list
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  val print_proof_data: theory -> unit
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  val init: theory -> context
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  val pretty_term: context -> term -> Pretty.T
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  val pretty_typ: context -> typ -> Pretty.T
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  val pretty_sort: context -> sort -> Pretty.T
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  val pp: context -> Pretty.pp
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  val pretty_thm: context -> thm -> Pretty.T
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  val pretty_thms: context -> thm list -> Pretty.T
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  val pretty_fact: context -> string * thm list -> Pretty.T
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  val string_of_term: context -> term -> string
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  val default_type: context -> string -> typ option
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  val used_types: context -> string list
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  val read_typ: context -> string -> typ
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  val read_typ_raw: context -> string -> typ
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  val cert_typ: context -> typ -> typ
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  val cert_typ_raw: context -> typ -> typ
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  val get_skolem: context -> string -> string
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  val extern_skolem: context -> term -> term
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  val read_termTs: 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_termTs_schematic: 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_term_liberal: context -> string -> term
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  val read_term: context -> string -> term
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  val read_prop: context -> string -> term
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  val read_prop_schematic: context -> string -> term
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  val read_terms: context -> string list -> term list
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  val read_term_pats: typ -> context -> string list -> term list
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  val read_prop_pats: context -> string list -> term list
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  val cert_term: context -> term -> term
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  val cert_prop: context -> term -> term
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  val cert_term_pats: typ -> context -> term list -> term list
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  val cert_prop_pats: context -> term list -> term list
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  val declare_term: term -> context -> context
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  val declare_terms: term list -> context -> context
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  val read_tyname: context -> string -> typ
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  val read_const: context -> string -> term
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  val warn_extra_tfrees: context -> context -> context
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  val generalize: context -> context -> term list -> term list
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  val find_free: term -> string -> term option
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  val export: bool -> context -> context -> thm -> thm Seq.seq
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  val export_standard: cterm list -> context -> context -> thm -> thm
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  val export_plain: cterm list -> context -> context -> thm -> thm
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  val drop_schematic: indexname * term option -> indexname * term option
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  val add_binds: (indexname * string option) list -> context -> context
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  val add_binds_i: (indexname * term option) list -> context -> context
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  val auto_bind_goal: term list -> context -> context
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  val auto_bind_facts: term list -> context -> context
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  val match_bind: bool -> (string list * string) list -> context -> context
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  val match_bind_i: bool -> (term list * term) list -> context -> context
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  val read_propp: context * (string * (string list * string list)) list list
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    -> context * (term * (term list * term list)) list list
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  val cert_propp: context * (term * (term list * term list)) list list
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    -> context * (term * (term list * term list)) list list
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  val read_propp_schematic: context * (string * (string list * string list)) list list
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    -> context * (term * (term list * term list)) list list
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  val cert_propp_schematic: context * (term * (term list * term list)) list list
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    -> context * (term * (term list * term list)) list list
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  val bind_propp: context * (string * (string list * string list)) list list
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    -> context * (term list list * (context -> context))
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  val bind_propp_i: context * (term * (term list * term list)) list list
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    -> context * (term list list * (context -> context))
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  val bind_propp_schematic: context * (string * (string list * string list)) list list
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    -> context * (term list list * (context -> context))
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  val bind_propp_schematic_i: context * (term * (term list * term list)) list list
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    -> context * (term list list * (context -> context))
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  val get_thm: context -> thmref -> thm
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  val get_thm_closure: context -> thmref -> thm
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  val get_thms: context -> thmref -> thm list
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  val get_thms_closure: context -> thmref -> thm list
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  val cond_extern: context -> string -> xstring
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  val qualified: bool -> context -> context
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  val restore_qualified: context -> context -> context
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  val hide_thms: bool -> string list -> context -> context
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  val put_thm: string * thm -> context -> context
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  val put_thms: string * thm list -> context -> context
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  val put_thmss: (string * thm list) list -> context -> context
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  val reset_thms: string -> context -> context
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  val note_thmss:
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    ((bstring * context attribute list) *
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      (thmref * context attribute list) list) list ->
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    context -> context * (bstring * thm list) list
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  val note_thmss_i:
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    ((bstring * context attribute list) *
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      (thm list * context attribute list) list) list ->
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    context -> context * (bstring * thm list) list
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  val note_thmss_accesses:
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    (string -> string list) ->
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    ((bstring * context attribute list) *
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      (thmref * context attribute list) list) list ->
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    context -> context * (bstring * thm list) list
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  val note_thmss_accesses_i:
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    (string -> string list) ->
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    ((bstring * context attribute list) *
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      (thm list * context attribute list) list) list ->
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    context -> context * (bstring * thm list) list
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  val export_assume: exporter
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  val export_presume: exporter
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  val cert_def: context -> term -> string * term
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  val export_def: exporter
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  val assume: exporter
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    -> ((string * context attribute list) * (string * (string list * string list)) list) list
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    -> context -> context * (bstring * thm list) list
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  val assume_i: exporter
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    -> ((string * context attribute list) * (term * (term list * term list)) list) list
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    -> context -> context * (bstring * thm list) list
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  val read_vars: context * (string list * string option)
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    -> context * (string list * typ option)
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  val cert_vars: context * (string list * typ option)
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    -> context * (string list * typ option)
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  val read_vars_liberal: context * (string list * string option)
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    -> context * (string list * typ option)
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  val cert_vars_liberal: context * (string list * typ option)
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    -> context * (string list * typ option)
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  val fix: (string list * string option) list -> context -> context
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  val fix_i: (string list * typ option) list -> context -> context
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  val add_fixes: (string * typ option * Syntax.mixfix option) list -> context -> context
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  val add_fixes_liberal: (string * typ option * Syntax.mixfix option) list -> context -> context
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  val fix_frees: term list -> context -> context
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  val bind_skolem: context -> string list -> term -> term
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  val get_case: context -> string -> string option list -> RuleCases.T
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  val add_cases: (string * RuleCases.T) list -> context -> context
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  val apply_case: RuleCases.T -> context
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    -> context * ((indexname * term option) list * (string * term list) list)
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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: context -> unit
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  val print_binds: context -> unit
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  val print_lthms: context -> unit
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  val print_cases: context -> unit
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  val prems_limit: int ref
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  val pretty_asms: context -> Pretty.T list
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  val pretty_context: context -> Pretty.T list
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  val thms_containing_limit: int ref
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  val print_thms_containing: context -> int option -> string list -> unit
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  val setup: (theory -> theory) list
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  val get_delta: context -> Object.T Symtab.table (* Jia: (claset, simpset) *)
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  val put_delta: Object.T Symtab.table -> context -> context
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  val get_delta_count_incr: context -> int
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end;
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signature PRIVATE_PROOF_CONTEXT =
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sig
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  include PROOF_CONTEXT
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  val init_data: Object.kind -> (theory -> Object.T) * (context -> Object.T -> unit)
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    -> theory -> theory
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  val print_data: Object.kind -> context -> unit
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  val get_data: Object.kind -> (Object.T -> 'a) -> context -> 'a
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  val put_data: Object.kind -> ('a -> Object.T) -> 'a -> context -> context
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end;
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structure ProofContext: PRIVATE_PROOF_CONTEXT =
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struct
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(** datatype context **)
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type exporter = bool -> cterm list -> thm -> thm Seq.seq;
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(* note: another field added to context. *)
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datatype context =
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  Context of
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   {thy: theory,                                              (*current theory*)
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    syntax: Syntax.syntax * string list * string list,        (*syntax with structs and mixfixed*)
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    data: Object.T Symtab.table,                              (*user data*)
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    asms:
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      ((cterm list * exporter) list *                         (*assumes: A ==> _*)
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        (string * thm list) list) *                           (*prems: A |- A *)
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      (string * string) list,                                 (*fixes: !!x. _*)
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    binds: (term * typ) option Vartab.table,                  (*term bindings*)
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    thms: bool * NameSpace.T * thm list option Symtab.table
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      * FactIndex.T,                                          (*local thms*)
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    (*thms is of the form (q, n, t, i) where
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       q: indicates whether theorems with qualified names may be stored;
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          this is initially forbidden (false); flag may be changed with
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          qualified and restore_qualified;
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       n: theorem namespace;
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       t: table of theorems;
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       i: index for theorem lookup (cf. thms_containing) *)
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    cases: (string * RuleCases.T) list,                       (*local contexts*)
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    defs:
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      typ Vartab.table *                                      (*type constraints*)
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      sort Vartab.table *                                     (*default sorts*)
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      string list *                                           (*used type variables*)
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      term list Symtab.table,
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    delta: Object.T Symtab.table (* difference between local and global claset and simpset*),
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    delta_count: int ref (* number of local anonymous thms *)
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};                                (*type variable occurrences*)
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exception CONTEXT of string * context;
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fun make_context (thy, syntax, data, asms, binds, thms, cases, defs, delta, delta_count) =
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  Context {thy = thy, syntax = syntax, data = data, asms = asms, binds = binds,
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    thms = thms, cases = cases, defs = defs, delta = delta, delta_count = delta_count};
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fun map_context f (Context {thy, syntax, data, asms, binds, thms, cases, defs, delta, delta_count}) =
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  make_context (f (thy, syntax, data, asms, binds, thms, cases, defs, delta, delta_count));
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fun theory_of (Context {thy, ...}) = thy;
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val sign_of = Theory.sign_of o theory_of;
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fun syntax_of (Context {syntax, ...}) = syntax;
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fun fixes_of (Context {asms = (_, fixes), ...}) = fixes;
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val fixed_names_of = map #2 o fixes_of;
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fun is_fixed ctxt x = exists (equal x o #2) (fixes_of ctxt);
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fun is_known (ctxt as Context {defs = (types, _, _, _), ...}) x =
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  isSome (Vartab.lookup (types, (x, ~1))) orelse is_fixed ctxt x;
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fun type_occs (Context {defs = (_, _, _, tab), ...}) = tab;
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fun assumptions_of (Context {asms = ((asms, _), _), ...}) = asms;
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fun prems_of (Context {asms = ((_, prems), _), ...}) = List.concat (map #2 prems);
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(** user data **)
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(* errors *)
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fun of_theory thy = "\nof theory " ^ Sign.str_of_sg (Theory.sign_of thy);
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fun err_inconsistent kinds =
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  error ("Attempt to merge different versions of " ^ commas_quote kinds ^ " proof data");
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fun err_dup_init thy kind =
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  error ("Duplicate initialization of " ^ quote kind ^ " proof data" ^ of_theory thy);
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fun err_undef ctxt kind =
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  raise CONTEXT ("Tried to access undefined " ^ quote kind ^ " proof data", ctxt);
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fun err_uninit ctxt kind =
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  raise CONTEXT ("Tried to access uninitialized " ^ quote kind ^ " proof data" ^
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    of_theory (theory_of ctxt), ctxt);
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fun err_access ctxt kind =
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  raise CONTEXT ("Unauthorized access to " ^ quote kind ^ " proof data" ^
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    of_theory (theory_of ctxt), ctxt);
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(* data kind 'Isar/proof_data' *)
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structure ProofDataDataArgs =
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struct
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  val name = "Isar/proof_data";
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  type T = (Object.kind * ((theory -> Object.T) * (context -> Object.T -> unit))) Symtab.table;
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  val empty = Symtab.empty;
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  val copy = I;
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  val prep_ext = I;
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  fun merge tabs = Symtab.merge (Object.eq_kind o pairself fst) tabs
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    handle Symtab.DUPS kinds => err_inconsistent kinds;
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  fun print _ tab = Pretty.writeln (Pretty.strs (map #1 (Symtab.dest tab)));
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end;
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structure ProofDataData = TheoryDataFun(ProofDataDataArgs);
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val print_proof_data = ProofDataData.print;
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(* init proof data *)
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fun init_data kind meths thy =
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  let
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    val name = Object.name_of_kind kind;
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    val tab = Symtab.update_new ((name, (kind, meths)), ProofDataData.get thy)
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      handle Symtab.DUP _ => err_dup_init thy name;
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  in thy |> ProofDataData.put tab end;
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(* access data *)
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fun lookup_data (ctxt as Context {data, ...}) kind =
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  let
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    val thy = theory_of ctxt;
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    val name = Object.name_of_kind kind;
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  in
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    (case Symtab.lookup (ProofDataData.get thy, name) of
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      SOME (k, meths) =>
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        if Object.eq_kind (kind, k) then
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          (case Symtab.lookup (data, name) of
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            SOME x => (x, meths)
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diff changeset
   312
          | NONE => err_undef ctxt name)
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   313
        else err_access ctxt name
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   314
    | NONE => err_uninit ctxt name)
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   315
  end;
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   316
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   317
fun get_data kind f ctxt =
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   318
  let val (x, _) = lookup_data ctxt kind
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   319
  in f x handle Match => Object.kind_error kind end;
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   320
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   321
fun print_data kind ctxt =
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   322
  let val (x, (_, prt)) = lookup_data ctxt kind
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   323
  in prt ctxt x end;
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   324
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   325
fun put_data kind f x ctxt =
8373
e7237c8fe29e handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents: 8186
diff changeset
   326
 (lookup_data ctxt kind;
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   327
  map_context (fn (thy, syntax, data, asms, binds, thms, cases, defs, delta,delta_count) =>
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   328
    (thy, syntax, Symtab.update ((Object.name_of_kind kind, f x), data),
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   329
      asms, binds, thms, cases, defs, delta, delta_count)) ctxt);
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   330
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   331
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   332
(* added get_delta and put_delta *)
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   333
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   334
fun get_delta (ctxt as Context {delta, ...}) = delta;
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   335
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   336
fun get_delta_count (ctxt as Context {delta_count, ...}) = !delta_count;
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   337
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   338
fun get_delta_count_incr (ctxt as Context {delta_count, ...}) =
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   339
  let val current_delta_count = !delta_count
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   340
  in
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   341
    (delta_count:=(!delta_count)+1;current_delta_count)
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   342
end;
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   343
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   344
fun incr_delta_count (ctxt as Context {delta_count, ...}) = (delta_count:=(!delta_count)+1);
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   345
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   346
(* replace the old delta by new delta *)
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   347
(* count not changed! *)
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   348
fun put_delta new_delta ctxt =
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   349
    map_context (fn (thy, syntax, data, asms, binds, thms, cases, defs,delta, delta_count) =>
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   350
    (thy, syntax, data, asms, binds, thms, cases, defs, new_delta,delta_count)) ctxt;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   351
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   352
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   353
(* init context *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   354
5874
a58d4528121d renamed init_context to init;
wenzelm
parents: 5819
diff changeset
   355
fun init thy =
a58d4528121d renamed init_context to init;
wenzelm
parents: 5819
diff changeset
   356
  let val data = Symtab.map (fn (_, (f, _)) => f thy) (ProofDataData.get thy) in
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   357
    make_context (thy, (Theory.syn_of thy, [], []), data, (([], []), []), Vartab.empty,
13278
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
   358
      (false, NameSpace.empty, Symtab.empty, FactIndex.empty), [],
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   359
      (Vartab.empty, Vartab.empty, [], Symtab.empty), Symtab.empty, ref 0)
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   360
  end;
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   361
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   362
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   363
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   364
(** local syntax **)
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   365
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   366
val fixedN = "\\<^fixed>";
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   367
val structN = "\\<^struct>";
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   368
12100
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   369
14697
5ad13d05049b improved indexed syntax / implicit structures;
wenzelm
parents: 14665
diff changeset
   370
(* translation functions *)
14665
d2e5df3d1201 index syntax: support for general expressions (input only);
wenzelm
parents: 14643
diff changeset
   371
d2e5df3d1201 index syntax: support for general expressions (input only);
wenzelm
parents: 14643
diff changeset
   372
fun fixed_tr x = (fixedN ^ x, curry Term.list_comb (Syntax.free x));
d2e5df3d1201 index syntax: support for general expressions (input only);
wenzelm
parents: 14643
diff changeset
   373
12100
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   374
fun context_tr' ctxt =
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   375
  let
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   376
    val (_, structs, mixfixed) = syntax_of ctxt;
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   377
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   378
    fun tr' (t $ u) = tr' t $ tr' u
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   379
      | tr' (Abs (x, T, t)) = Abs (x, T, tr' t)
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   380
      | tr' (t as Free (x, T)) =
14697
5ad13d05049b improved indexed syntax / implicit structures;
wenzelm
parents: 14665
diff changeset
   381
          let val i = Library.find_index_eq x structs + 1 in
5ad13d05049b improved indexed syntax / implicit structures;
wenzelm
parents: 14665
diff changeset
   382
            if i = 0 andalso x mem_string mixfixed then Const (fixedN ^ x, T)
14707
2d6350d7b9b7 show_structs option;
wenzelm
parents: 14697
diff changeset
   383
            else if i = 1 andalso not (! show_structs) then
2d6350d7b9b7 show_structs option;
wenzelm
parents: 14697
diff changeset
   384
              Syntax.const "_struct" $ Syntax.const "_indexdefault"
12100
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   385
            else t
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   386
          end
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   387
      | tr' a = a;
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   388
  in tr' end;
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   389
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   390
12576
9fd10052c3f7 added add_fixes: derives mssing type scheme from mixfix;
wenzelm
parents: 12550
diff changeset
   391
(* add syntax *)
9fd10052c3f7 added add_fixes: derives mssing type scheme from mixfix;
wenzelm
parents: 12550
diff changeset
   392
9fd10052c3f7 added add_fixes: derives mssing type scheme from mixfix;
wenzelm
parents: 12550
diff changeset
   393
fun mixfix_type mx = replicate (Syntax.mixfix_args mx) TypeInfer.logicT ---> TypeInfer.logicT;
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   394
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   395
local
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   396
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   397
fun mixfix x NONE mx = (fixedN ^ x, mixfix_type mx, Syntax.fix_mixfix x mx)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   398
  | mixfix x (SOME T) mx = (fixedN ^ x, T, Syntax.fix_mixfix x mx);
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   399
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   400
fun prep_mixfix (_, _, NONE) = NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   401
  | prep_mixfix (x, opt_T, SOME mx) = SOME (mixfix x opt_T mx);
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   402
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   403
fun prep_mixfix' (_, _, NONE) = NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   404
  | prep_mixfix' (x, _, SOME Syntax.NoSyn) = NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   405
  | prep_mixfix' (x, opt_T, _) = SOME (x, mixfix x opt_T (Syntax.literal x));
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   406
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   407
fun prep_struct (x, _, NONE) = SOME x
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   408
  | prep_struct _ = NONE;
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   409
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   410
in
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   411
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   412
fun add_syntax decls =
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   413
  map_context (fn (thy, (syn, structs, mixfixed), data, asms, binds, thms, cases, defs, delta, delta_count) =>
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   414
    let
14901
c7a8a8eb7fc8 Sign.is_logtype;
wenzelm
parents: 14876
diff changeset
   415
      val is_logtype = Sign.is_logtype (Theory.sign_of thy);
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   416
      val structs' = structs @ List.mapPartial prep_struct decls;
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   417
      val mxs = List.mapPartial prep_mixfix decls;
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   418
      val (fixed, mxs_output) = Library.split_list (List.mapPartial prep_mixfix' decls);
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   419
      val trs = map fixed_tr fixed;
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   420
      val syn' = syn
14901
c7a8a8eb7fc8 Sign.is_logtype;
wenzelm
parents: 14876
diff changeset
   421
        |> Syntax.extend_const_gram is_logtype ("", false) mxs_output
c7a8a8eb7fc8 Sign.is_logtype;
wenzelm
parents: 14876
diff changeset
   422
        |> Syntax.extend_const_gram is_logtype ("", true) mxs
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   423
        |> Syntax.extend_trfuns ([], trs, [], []);
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   424
    in (thy, (syn', structs', fixed @ mixfixed), data, asms, binds, thms, cases, defs, delta, delta_count) end)
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   425
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   426
fun syn_of (Context {syntax = (syn, structs, _), ...}) =
14697
5ad13d05049b improved indexed syntax / implicit structures;
wenzelm
parents: 14665
diff changeset
   427
  syn |> Syntax.extend_trfuns (Syntax.struct_trfuns structs);
5ad13d05049b improved indexed syntax / implicit structures;
wenzelm
parents: 14665
diff changeset
   428
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   429
end;
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   430
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   431
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   432
14828
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   433
(** pretty printing **)
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   434
14974
b1ecb7859c99 avoid premature evaluation of syn_of (wastes time in conjunction with pp);
wenzelm
parents: 14901
diff changeset
   435
fun pretty_term ctxt t = Sign.pretty_term' (syn_of ctxt) (sign_of ctxt) (context_tr' ctxt t);
b1ecb7859c99 avoid premature evaluation of syn_of (wastes time in conjunction with pp);
wenzelm
parents: 14901
diff changeset
   436
fun pretty_typ ctxt T = Sign.pretty_typ (sign_of ctxt) T;
b1ecb7859c99 avoid premature evaluation of syn_of (wastes time in conjunction with pp);
wenzelm
parents: 14901
diff changeset
   437
fun pretty_sort ctxt S = Sign.pretty_sort (sign_of ctxt) S;
b1ecb7859c99 avoid premature evaluation of syn_of (wastes time in conjunction with pp);
wenzelm
parents: 14901
diff changeset
   438
fun pretty_classrel ctxt cs = Sign.pretty_classrel (sign_of ctxt) cs;
b1ecb7859c99 avoid premature evaluation of syn_of (wastes time in conjunction with pp);
wenzelm
parents: 14901
diff changeset
   439
fun pretty_arity ctxt ar = Sign.pretty_arity (sign_of ctxt) ar;
14828
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   440
14974
b1ecb7859c99 avoid premature evaluation of syn_of (wastes time in conjunction with pp);
wenzelm
parents: 14901
diff changeset
   441
fun pp ctxt = Pretty.pp (pretty_term ctxt, pretty_typ ctxt, pretty_sort ctxt,
b1ecb7859c99 avoid premature evaluation of syn_of (wastes time in conjunction with pp);
wenzelm
parents: 14901
diff changeset
   442
  pretty_classrel ctxt, pretty_arity ctxt);
14828
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   443
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   444
val string_of_term = Pretty.string_of oo pretty_term;
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   445
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   446
fun pretty_thm ctxt thm =
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   447
  if ! Display.show_hyps then
14876
477c414000f8 pretty_thm/goals_aux, pretty_flexpair: pp;
wenzelm
parents: 14828
diff changeset
   448
    Display.pretty_thm_aux (pp ctxt) false thm
14828
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   449
  else pretty_term ctxt (Thm.prop_of thm);
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   450
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   451
fun pretty_thms ctxt [th] = pretty_thm ctxt th
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   452
  | pretty_thms ctxt ths = Pretty.blk (0, Pretty.fbreaks (map (pretty_thm ctxt) ths));
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   453
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   454
fun pretty_fact ctxt ("", ths) = pretty_thms ctxt ths
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   455
  | pretty_fact ctxt (a, [th]) =
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   456
      Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, pretty_thm ctxt th]
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   457
  | pretty_fact ctxt (a, ths) =
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   458
      Pretty.block (Pretty.fbreaks (Pretty.str (a ^ ":") :: map (pretty_thm ctxt) ths));
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   459
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   460
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   461
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   462
(** default sorts and types **)
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   463
12291
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   464
fun def_sort (Context {defs = (_, sorts, _, _), ...}) xi = Vartab.lookup (sorts, xi);
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   465
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   466
fun def_type (Context {binds, defs = (types, _, _, _), ...}) pattern xi =
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   467
  (case Vartab.lookup (types, xi) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   468
    NONE =>
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   469
      if pattern then NONE else
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   470
        (case Vartab.lookup (binds, xi) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   471
          SOME (SOME (_, T)) => SOME (TypeInfer.polymorphicT T)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   472
        | _ => NONE)
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   473
  | some => some);
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   474
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   475
fun default_type (Context {defs = (types, _, _, _), ...}) x = Vartab.lookup (types, (x, ~1));
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   476
fun used_types (Context {defs = (_, _, used, _), ...}) = used;
12414
61e1681b0b5d added default_type;
wenzelm
parents: 12309
diff changeset
   477
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   478
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   479
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   480
(** prepare types **)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   481
9504
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   482
local
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   483
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   484
fun read_typ_aux read ctxt s =
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   485
  transform_error (read (syn_of ctxt) (sign_of ctxt, def_sort ctxt)) s
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   486
    handle ERROR_MESSAGE msg => raise CONTEXT (msg, ctxt);
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   487
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   488
fun cert_typ_aux cert ctxt raw_T =
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   489
  cert (sign_of ctxt) raw_T
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   490
    handle TYPE (msg, _, _) => raise CONTEXT (msg, ctxt);
9504
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   491
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   492
in
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   493
14287
f630017ed01c Isar: where attribute supports instantiation of type variables.
ballarin
parents: 14257
diff changeset
   494
(* Read/certify type, using default sort information from context. *)
f630017ed01c Isar: where attribute supports instantiation of type variables.
ballarin
parents: 14257
diff changeset
   495
14780
949a3f558a43 xxx_typ_raw replace xxx_typ_no_norm forms;
wenzelm
parents: 14720
diff changeset
   496
val read_typ     = read_typ_aux Sign.read_typ';
949a3f558a43 xxx_typ_raw replace xxx_typ_no_norm forms;
wenzelm
parents: 14720
diff changeset
   497
val read_typ_raw = read_typ_aux Sign.read_typ_raw';
949a3f558a43 xxx_typ_raw replace xxx_typ_no_norm forms;
wenzelm
parents: 14720
diff changeset
   498
val cert_typ     = cert_typ_aux Sign.certify_typ;
949a3f558a43 xxx_typ_raw replace xxx_typ_no_norm forms;
wenzelm
parents: 14720
diff changeset
   499
val cert_typ_raw = cert_typ_aux Sign.certify_typ_raw;
9504
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   500
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   501
end;
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   502
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   503
7679
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   504
(* internalize Skolem constants *)
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   505
10583
f2d9f4fd370b export get_skolem;
wenzelm
parents: 10554
diff changeset
   506
fun lookup_skolem ctxt x = assoc (fixes_of ctxt, x);
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   507
fun get_skolem ctxt x = getOpt (lookup_skolem ctxt x, x);
7679
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   508
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   509
fun no_skolem internal ctxt x =
9291
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
   510
  if can Syntax.dest_skolem x then
7679
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   511
    raise CONTEXT ("Illegal reference to internal Skolem constant: " ^ quote x, ctxt)
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   512
  else if not internal andalso can Syntax.dest_internal x then
9291
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
   513
    raise CONTEXT ("Illegal reference to internal variable: " ^ quote x, ctxt)
7679
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   514
  else x;
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   515
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   516
fun intern_skolem ctxt internal =
7679
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   517
  let
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   518
    fun intern (t as Free (x, T)) =
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   519
          if internal x then t
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   520
          else
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   521
            (case lookup_skolem ctxt (no_skolem false ctxt x) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   522
              SOME x' => Free (x', T)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   523
            | NONE => t)
7679
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   524
      | intern (t $ u) = intern t $ intern u
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   525
      | intern (Abs (x, T, t)) = Abs (x, T, intern t)
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   526
      | intern a = a;
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   527
  in intern end;
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   528
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   529
9133
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   530
(* externalize Skolem constants -- for printing purposes only *)
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   531
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   532
fun extern_skolem ctxt =
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   533
  let
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   534
    val rev_fixes = map Library.swap (fixes_of ctxt);
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   535
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   536
    fun extern (t as Free (x, T)) =
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   537
          (case assoc (rev_fixes, x) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   538
            SOME x' => Free (if lookup_skolem ctxt x' = SOME x then x' else NameSpace.hidden x', T)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   539
          | NONE => t)
9133
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   540
      | extern (t $ u) = extern t $ extern u
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   541
      | extern (Abs (x, T, t)) = Abs (x, T, extern t)
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   542
      | extern a = a;
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   543
  in extern end
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   544
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   545
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   546
(** prepare terms and propositions **)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   547
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   548
(*
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   549
  (1) read / certify wrt. signature of context
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   550
  (2) intern Skolem constants
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   551
  (3) expand term bindings
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   552
*)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   553
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   554
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   555
(* read / certify wrt. signature *)     (*exception ERROR*) (*exception TERM*)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   556
14828
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   557
fun read_def_termTs freeze pp syn sg (types, sorts, used) sTs =
14901
c7a8a8eb7fc8 Sign.is_logtype;
wenzelm
parents: 14876
diff changeset
   558
  Sign.read_def_terms' pp (Sign.is_logtype sg) syn (sg, types, sorts) used freeze sTs;
5874
a58d4528121d renamed init_context to init;
wenzelm
parents: 5819
diff changeset
   559
14828
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   560
fun read_def_termT freeze pp syn sg defs sT =
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   561
  apfst hd (read_def_termTs freeze pp syn sg defs [sT]);
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   562
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   563
fun read_term_sg freeze pp syn sg defs s =
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   564
  #1 (read_def_termT freeze pp syn sg defs (s, TypeInfer.logicT));
5874
a58d4528121d renamed init_context to init;
wenzelm
parents: 5819
diff changeset
   565
14828
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   566
fun read_prop_sg freeze pp syn sg defs s =
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   567
  #1 (read_def_termT freeze pp syn sg defs (s, propT));
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   568
14828
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   569
fun read_terms_sg freeze pp syn sg defs =
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   570
  #1 o read_def_termTs freeze pp syn sg defs o map (rpair TypeInfer.logicT);
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   571
14828
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   572
fun read_props_sg freeze pp syn sg defs =
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   573
  #1 o read_def_termTs freeze pp syn sg defs o map (rpair propT);
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   574
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   575
14828
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   576
fun cert_term_sg pp sg t = #1 (Sign.certify_term pp sg t);
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   577
14828
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   578
fun cert_prop_sg pp sg tm =
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   579
  let val (t, T, _) = Sign.certify_term pp sg tm
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   580
  in if T = propT then t else raise TERM ("Term not of type prop", [t]) end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   581
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   582
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   583
(* norm_term *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   584
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   585
(*beta normal form for terms (not eta normal form), chase variables in
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   586
  bindings environment (code taken from Pure/envir.ML)*)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   587
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   588
fun unifyT ctxt (T, U) =
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   589
  let val maxidx = Int.max (Term.maxidx_of_typ T, Term.maxidx_of_typ U)
12530
c32d201d7c08 tuned Type.unify;
wenzelm
parents: 12504
diff changeset
   590
  in #1 (Type.unify (Sign.tsig_of (sign_of ctxt)) (Vartab.empty, maxidx) (T, U)) end;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   591
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   592
fun norm_term (ctxt as Context {binds, ...}) schematic =
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   593
  let
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   594
    (*raised when norm has no effect on a term, to do sharing instead of copying*)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   595
    exception SAME;
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   596
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   597
    fun norm (t as Var (xi, T)) =
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   598
          (case Vartab.lookup (binds, xi) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   599
            SOME (SOME (u, U)) =>
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   600
              let
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   601
                val env = unifyT ctxt (T, U) handle Type.TUNIFY =>
14174
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   602
                  raise TYPE ("norm_term: ill-typed variable assignment", [T, U], [t, u]);
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   603
                val u' = Term.subst_TVars_Vartab env u;
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   604
              in norm u' handle SAME => u' end
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   605
          | _ =>
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   606
            if schematic then raise SAME
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   607
            else raise CONTEXT ("Unbound schematic variable: " ^ Syntax.string_of_vname xi, ctxt))
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   608
      | norm (Abs (a, T, body)) =  Abs (a, T, norm body)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   609
      | norm (Abs (_, _, body) $ t) = normh (subst_bound (t, body))
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   610
      | norm (f $ t) =
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   611
          ((case norm f of
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   612
            Abs (_, _, body) => normh (subst_bound (t, body))
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   613
          | nf => nf $ (norm t handle SAME => t)) handle SAME => f $ norm t)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   614
      | norm _ =  raise SAME
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   615
    and normh t = norm t handle SAME => t
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   616
  in normh end;
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   617
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   618
6550
68f950b1a664 dummy patterns;
wenzelm
parents: 6528
diff changeset
   619
(* dummy patterns *)
68f950b1a664 dummy patterns;
wenzelm
parents: 6528
diff changeset
   620
9540
02c51ca9c531 dummy_patterns moved to term.ML;
wenzelm
parents: 9515
diff changeset
   621
fun prepare_dummies t = #2 (Term.replace_dummy_patterns (1, t));
6762
a9a515a43ae0 read_term/prop_pat: do not freeze;
wenzelm
parents: 6721
diff changeset
   622
9540
02c51ca9c531 dummy_patterns moved to term.ML;
wenzelm
parents: 9515
diff changeset
   623
fun reject_dummies ctxt t = Term.no_dummy_patterns t
02c51ca9c531 dummy_patterns moved to term.ML;
wenzelm
parents: 9515
diff changeset
   624
  handle TERM _ => raise CONTEXT ("Illegal dummy pattern(s) in term", ctxt);
6550
68f950b1a664 dummy patterns;
wenzelm
parents: 6528
diff changeset
   625
68f950b1a664 dummy patterns;
wenzelm
parents: 6528
diff changeset
   626
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   627
(* read terms *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   628
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   629
local
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   630
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   631
fun append_env e1 e2 x = (case e2 x of NONE => e1 x | some => some);
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   632
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   633
fun gen_read' read app pattern dummies schematic
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   634
    ctxt internal more_types more_sorts more_used s =
14174
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   635
  let
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   636
    val types = append_env (def_type ctxt pattern) more_types;
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   637
    val sorts = append_env (def_sort ctxt) more_sorts;
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   638
    val used = used_types ctxt @ more_used;
14174
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   639
  in
14828
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   640
    (transform_error (read (pp ctxt) (syn_of ctxt) (sign_of ctxt) (types, sorts, used)) s
14174
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   641
      handle TERM (msg, _) => raise CONTEXT (msg, ctxt)
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   642
        | ERROR_MESSAGE msg => raise CONTEXT (msg, ctxt))
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   643
    |> app (intern_skolem ctxt internal)
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   644
    |> app (if pattern then I else norm_term ctxt schematic)
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   645
    |> app (if pattern then prepare_dummies else if dummies then I else reject_dummies ctxt)
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   646
  end;
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   647
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   648
fun gen_read read app pattern dummies schematic ctxt =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   649
  gen_read' read app pattern dummies schematic ctxt (K false) (K NONE) (K NONE) [];
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   650
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   651
in
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   652
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   653
val read_termTs           = gen_read' (read_def_termTs false) (apfst o map) false false false;
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   654
val read_termTs_schematic = gen_read' (read_def_termTs false) (apfst o map) false false true;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   655
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   656
fun read_term_pats T ctxt =
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   657
  #1 o gen_read (read_def_termTs false) (apfst o map) true false false ctxt o map (rpair T);
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   658
val read_prop_pats = read_term_pats propT;
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   659
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   660
fun read_term_liberal ctxt =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   661
  gen_read' (read_term_sg true) I false false false ctxt (K true) (K NONE) (K NONE) [];
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   662
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   663
val read_term              = gen_read (read_term_sg true) I false false false;
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   664
val read_term_dummies      = gen_read (read_term_sg true) I false true false;
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   665
val read_prop              = gen_read (read_prop_sg true) I false false false;
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   666
val read_prop_schematic    = gen_read (read_prop_sg true) I false false true;
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   667
val read_terms             = gen_read (read_terms_sg true) map false false false;
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   668
fun read_props schematic   = gen_read (read_props_sg true) map false false schematic;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   669
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   670
end;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   671
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   672
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   673
(* certify terms *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   674
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   675
local
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   676
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   677
fun gen_cert cert pattern schematic ctxt t = t
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
   678
  |> (if pattern then I else norm_term ctxt schematic)
14828
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   679
  |> (fn t' => cert (pp ctxt) (sign_of ctxt) t'
15d12761ba54 improved output; refer to Pretty.pp;
wenzelm
parents: 14780
diff changeset
   680
    handle TERM (msg, _) => raise CONTEXT (msg, ctxt));
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   681
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   682
in
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   683
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   684
val cert_term = gen_cert cert_term_sg false false;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   685
val cert_prop = gen_cert cert_prop_sg false false;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   686
val cert_props = map oo gen_cert cert_prop_sg false;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   687
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   688
fun cert_term_pats _ = map o gen_cert cert_term_sg true false;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   689
val cert_prop_pats = map o gen_cert cert_prop_sg true false;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   690
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   691
end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   692
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   693
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   694
(* declare terms *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   695
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   696
local
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   697
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   698
val ins_types = foldl_aterms
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   699
  (fn (types, Free (x, T)) => Vartab.update (((x, ~1), T), types)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   700
    | (types, Var v) => Vartab.update (v, types)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   701
    | (types, _) => types);
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   702
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   703
val ins_sorts = foldl_types (foldl_atyps
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   704
  (fn (sorts, TFree (x, S)) => Vartab.update (((x, ~1), S), sorts)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   705
    | (sorts, TVar v) => Vartab.update (v, sorts)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   706
    | (sorts, _) => sorts));
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   707
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   708
val ins_used = foldl_term_types (fn t => foldl_atyps
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   709
  (fn (used, TFree (x, _)) => x ins_string used
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   710
    | (used, _) => used));
12291
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   711
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   712
val ins_occs = foldl_term_types (fn t => foldl_atyps
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   713
  (fn (tab, TFree (x, _)) => Symtab.update_multi ((x, t), tab) | (tab, _) => tab));
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   714
15574
b1d1b5bfc464 Removed practically all references to Library.foldr.
skalberg
parents: 15570
diff changeset
   715
fun ins_skolem def_ty = foldr
5994
7b84677315ed fixed declatation of patterns and skolem;
wenzelm
parents: 5935
diff changeset
   716
  (fn ((x, x'), types) =>
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   717
    (case def_ty x' of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   718
      SOME T => Vartab.update (((x, ~1), T), types)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   719
    | NONE => types));
5994
7b84677315ed fixed declatation of patterns and skolem;
wenzelm
parents: 5935
diff changeset
   720
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   721
fun map_defaults f = map_context (fn (thy, syntax, data, asms, binds, thms, cases, defs, delta, delta_count) =>
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   722
  (thy, syntax, data, asms, binds, thms, cases, f defs, delta, delta_count));
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   723
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   724
fun declare_syn (ctxt, t) =
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   725
  ctxt
12291
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   726
  |> map_defaults (fn (types, sorts, used, occ) => (ins_types (types, t), sorts, used, occ))
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   727
  |> map_defaults (fn (types, sorts, used, occ) => (types, ins_sorts (sorts, t), used, occ))
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   728
  |> map_defaults (fn (types, sorts, used, occ) => (types, sorts, ins_used (used, t), occ));
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   729
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   730
fun declare_occ (ctxt as Context {asms = (_, fixes), ...}, t) =
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   731
  declare_syn (ctxt, t)
12291
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   732
  |> map_defaults (fn (types, sorts, used, occ) => (types, sorts, used, ins_occs (occ, t)))
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   733
  |> map_defaults (fn (types, sorts, used, occ) =>
15574
b1d1b5bfc464 Removed practically all references to Library.foldr.
skalberg
parents: 15570
diff changeset
   734
      (ins_skolem (fn x => Vartab.lookup (types, (x, ~1))) types fixes, sorts, used, occ));
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   735
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   736
in
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   737
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   738
fun declare_term t ctxt = declare_occ (ctxt, t);
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   739
fun declare_terms ts ctxt = Library.foldl declare_occ (ctxt, ts);
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   740
fun declare_terms_syntax ts ctxt = Library.foldl declare_syn (ctxt, ts);
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   741
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   742
end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   743
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   744
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   745
(* type and constant names *)
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   746
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   747
fun read_tyname ctxt c =
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   748
  if c mem_string used_types ctxt then
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   749
    TFree (c, getOpt (def_sort ctxt (c, ~1), Sign.defaultS (sign_of ctxt)))
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   750
  else Sign.read_tyname (sign_of ctxt) c;
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   751
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   752
fun read_const ctxt c =
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   753
  (case lookup_skolem ctxt c of
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   754
    SOME c' => Free (c', dummyT)
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   755
  | NONE => Sign.read_const (sign_of ctxt) c);
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   756
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   757
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   758
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   759
(** Hindley-Milner polymorphism **)
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   760
7925
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   761
(* warn_extra_tfrees *)
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   762
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   763
fun warn_extra_tfrees
12291
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   764
    (ctxt1 as Context {defs = (_, _, _, occ1), ...})
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   765
    (ctxt2 as Context {defs = (_, _, _, occ2), ...}) =
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   766
  let
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   767
    fun known_tfree a (Type (_, Ts)) = exists (known_tfree a) Ts
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   768
      | known_tfree a (TFree (a', _)) = a = a'
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   769
      | known_tfree _ _ = false;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   770
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   771
    val extras =
12291
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   772
      Library.gen_rems Library.eq_fst (Symtab.dest occ2, Symtab.dest occ1)
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   773
      |> map (fn (a, ts) => map (pair a) (List.mapPartial (try (#1 o Term.dest_Free)) ts)) |> List.concat
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   774
      |> List.mapPartial (fn (a, x) =>
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   775
          (case def_type ctxt1 false (x, ~1) of NONE => SOME (a, x)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   776
          | SOME T => if known_tfree a T then NONE else SOME (a, x)));
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   777
    val tfrees = map #1 extras |> Library.sort_strings |> Library.unique_strings;
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   778
    val frees = map #2 extras |> Library.sort_strings |> Library.unique_strings;
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   779
  in
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   780
    if null extras then ()
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   781
    else warning ("Just introduced free type variable(s): " ^ commas tfrees ^ " in " ^
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   782
      space_implode " or " frees);
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   783
    ctxt2
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   784
  end;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   785
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   786
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   787
(* generalize type variables *)
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   788
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   789
fun generalize_tfrees inner outer =
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   790
  let
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   791
    val extra_fixes = fixed_names_of inner \\ fixed_names_of outer;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   792
    fun still_fixed (Free (x, _)) = not (x mem_string extra_fixes)
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   793
      | still_fixed _ = false;
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   794
    val occs_inner = type_occs inner;
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   795
    val occs_outer = type_occs outer;
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   796
    fun add (gen, a) =
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   797
      if isSome (Symtab.lookup (occs_outer, a)) orelse
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   798
        exists still_fixed (Symtab.lookup_multi (occs_inner, a))
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   799
      then gen else a :: gen;
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   800
  in fn tfrees => Library.foldl add ([], tfrees) end;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   801
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   802
fun generalize inner outer ts =
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   803
  let
15574
b1d1b5bfc464 Removed practically all references to Library.foldr.
skalberg
parents: 15570
diff changeset
   804
    val tfrees = generalize_tfrees inner outer (foldr Term.add_term_tfree_names [] ts);
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   805
    fun gen (x, S) = if x mem_string tfrees then TVar ((x, 0), S) else TFree (x, S);
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   806
  in map (Term.map_term_types (Term.map_type_tfree gen)) ts end;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   807
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   808
9553
c2e3773475b6 norm_hhf results;
wenzelm
parents: 9540
diff changeset
   809
c2e3773475b6 norm_hhf results;
wenzelm
parents: 9540
diff changeset
   810
(** export theorems **)
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   811
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   812
fun get_free x (NONE, t as Free (y, _)) = if x = y then SOME t else NONE
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   813
  | get_free _ (opt, _) = opt;
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   814
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   815
fun find_free t x = foldl_aterms (get_free x) (NONE, t);
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   816
13415
63462ccc6fac tuned view;
wenzelm
parents: 13399
diff changeset
   817
fun export_view view is_goal inner outer =
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   818
  let
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   819
    val gen = generalize_tfrees inner outer;
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   820
    val fixes = fixed_names_of inner \\ fixed_names_of outer;
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   821
    val asms = Library.drop (length (assumptions_of outer), assumptions_of inner);
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   822
    val exp_asms = map (fn (cprops, exp) => exp is_goal cprops) asms;
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   823
  in fn thm => thm
12804
163a85ba885b Tactic.norm_hhf renamed to Tactic.norm_hhf_rule;
wenzelm
parents: 12770
diff changeset
   824
    |> Tactic.norm_hhf_rule
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   825
    |> Seq.EVERY (rev exp_asms)
13415
63462ccc6fac tuned view;
wenzelm
parents: 13399
diff changeset
   826
    |> Seq.map (Drule.implies_intr_list view)
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   827
    |> Seq.map (fn rule =>
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   828
      let
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   829
        val {sign, prop, ...} = Thm.rep_thm rule;
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   830
        val frees = map (Thm.cterm_of sign) (List.mapPartial (find_free prop) fixes);
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   831
        val tfrees = gen (Term.add_term_tfree_names (prop, []));
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   832
      in
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   833
        rule
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   834
        |> Drule.forall_intr_list frees
12804
163a85ba885b Tactic.norm_hhf renamed to Tactic.norm_hhf_rule;
wenzelm
parents: 12770
diff changeset
   835
        |> Tactic.norm_hhf_rule
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   836
        |> (#1 o Drule.tvars_intr_list tfrees)
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   837
      end)
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   838
  end;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   839
15696
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   840
(* without varification *)
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   841
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   842
fun export_view' view is_goal inner outer =
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   843
  let
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   844
    val asms = Library.drop (length (assumptions_of outer), assumptions_of inner);
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   845
    val exp_asms = map (fn (cprops, exp) => exp is_goal cprops) asms;
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   846
  in fn thm =>thm
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   847
    |> Tactic.norm_hhf_plain
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   848
    |> Seq.EVERY (rev exp_asms)
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   849
    |> Seq.map (Drule.implies_intr_list view)
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   850
    |> Seq.map Tactic.norm_hhf_plain
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   851
  end;
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   852
13415
63462ccc6fac tuned view;
wenzelm
parents: 13399
diff changeset
   853
val export = export_view [];
13399
c136276dc847 support locale ``views'' (for cumulative predicates);
wenzelm
parents: 13378
diff changeset
   854
15696
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   855
fun gen_export_std exp_view view inner outer =
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   856
  let val exp = exp_view view false inner outer in
13378
b261d9cdd6b2 export_standard supercedes export_single;
wenzelm
parents: 13284
diff changeset
   857
    fn th =>
b261d9cdd6b2 export_standard supercedes export_single;
wenzelm
parents: 13284
diff changeset
   858
      (case Seq.pull (exp th) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   859
        SOME (th', _) => th' |> Drule.local_standard
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   860
      | NONE => raise CONTEXT ("Internal failure while exporting theorem", inner))
13378
b261d9cdd6b2 export_standard supercedes export_single;
wenzelm
parents: 13284
diff changeset
   861
  end;
12704
7bffaadc581e export_single;
wenzelm
parents: 12576
diff changeset
   862
15696
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   863
val export_standard = gen_export_std export_view;
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
   864
val export_plain = gen_export_std export_view';
7925
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   865
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   866
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   867
(** bindings **)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   868
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   869
(* update_binds *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   870
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   871
fun del_bind (ctxt, xi) =
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   872
  ctxt
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   873
  |> map_context (fn (thy, syntax, data, asms, binds, thms, cases, defs, delta, delta_count) =>
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   874
      (thy, syntax, data, asms, Vartab.update ((xi, NONE), binds), thms, cases, defs, delta, delta_count));
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   875
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   876
fun upd_bind (ctxt, ((x, i), t)) =
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   877
  let
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   878
    val T = Term.fastype_of t;
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   879
    val t' =
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   880
      if null (Term.term_tvars t \\ Term.typ_tvars T) then t
8637
wenzelm
parents: 8616
diff changeset
   881
      else Var ((x ^ "_has_extra_type_vars_on_rhs", i), T);
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   882
  in
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   883
    ctxt
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   884
    |> declare_term t'
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
   885
    |> map_context (fn (thy, syntax, data, asms, binds, thms, cases, defs, delta, delta_count) =>
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   886
      (thy, syntax, data, asms, Vartab.update (((x, i), SOME (t', T)), binds), thms, cases, defs, delta, delta_count))
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   887
  end;
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   888
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   889
fun del_upd_bind (ctxt, (xi, NONE)) = del_bind (ctxt, xi)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   890
  | del_upd_bind (ctxt, (xi, SOME t)) = upd_bind (ctxt, (xi, t));
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   891
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   892
fun update_binds bs ctxt = Library.foldl upd_bind (ctxt, bs);
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   893
fun delete_update_binds bs ctxt = Library.foldl del_upd_bind (ctxt, bs);
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   894
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   895
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   896
(* simult_matches *)
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   897
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   898
fun simult_matches ctxt [] = []
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   899
  | simult_matches ctxt pairs =
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   900
      let
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   901
        fun fail () = raise CONTEXT ("Pattern match failed!", ctxt);
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   902
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   903
        val maxidx = Library.foldl (fn (i, (t1, t2)) =>
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   904
          Int.max (i, Int.max (Term.maxidx_of_term t1, Term.maxidx_of_term t2))) (~1, pairs);
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   905
        val envs = Unify.smash_unifiers (sign_of ctxt, Envir.empty maxidx,
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   906
          map swap pairs);    (*prefer assignment of variables from patterns*)
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   907
        val env =
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   908
          (case Seq.pull envs of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   909
            NONE => fail ()
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   910
          | SOME (env, _) => env);    (*ignore further results*)
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   911
        val domain =
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   912
          filter_out Term.is_replaced_dummy_pattern (map #1 (Drule.vars_of_terms (map #1 pairs)));
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   913
        val _ =    (*may not assign variables from text*)
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   914
          if null (map #1 (Envir.alist_of env) inter (map #1 (Drule.vars_of_terms (map #2 pairs))))
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   915
          then () else fail ();
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   916
        fun norm_bind (xi, t) = if xi mem domain then SOME (xi, Envir.norm_term env t) else NONE;
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   917
      in List.mapPartial norm_bind (Envir.alist_of env) end;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   918
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   919
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   920
(* add_binds(_i) *)
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   921
7925
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   922
local
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   923
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   924
fun gen_bind prep (ctxt, (xi as (x, _), raw_t)) =
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   925
  ctxt |> delete_update_binds [(xi, Option.map (prep ctxt) raw_t)];
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   926
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   927
fun gen_binds prep binds ctxt = Library.foldl (gen_bind prep) (ctxt, binds);
7925
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   928
10810
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
   929
in
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
   930
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   931
fun drop_schematic (b as (xi, SOME t)) = if null (Term.term_vars t) then b else (xi, NONE)
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   932
  | drop_schematic b = b;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   933
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   934
val add_binds = gen_binds read_term;
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   935
val add_binds_i = gen_binds cert_term;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   936
12147
64e69a8a945f adapted auto_bind_goal, auto_bind_facts;
wenzelm
parents: 12130
diff changeset
   937
fun auto_bind f ts ctxt = ctxt |> add_binds_i (map drop_schematic (f (sign_of ctxt) ts));
64e69a8a945f adapted auto_bind_goal, auto_bind_facts;
wenzelm
parents: 12130
diff changeset
   938
val auto_bind_goal = auto_bind AutoBind.goal;
64e69a8a945f adapted auto_bind_goal, auto_bind_facts;
wenzelm
parents: 12130
diff changeset
   939
val auto_bind_facts = auto_bind AutoBind.facts;
7925
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   940
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   941
end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   942
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   943
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   944
(* match_bind(_i) *)
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   945
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   946
local
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   947
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   948
fun prep_bind prep_pats (ctxt, (raw_pats, t)) =
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   949
  let
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   950
    val ctxt' = declare_term t ctxt;
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   951
    val pats = prep_pats (fastype_of t) ctxt' raw_pats;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   952
    val binds = simult_matches ctxt' (map (rpair t) pats);
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   953
  in (ctxt', binds) end;
7670
e302e4269087 added cert_skolem;
wenzelm
parents: 7663
diff changeset
   954
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   955
fun gen_binds prep_terms prep_pats gen raw_binds ctxt =
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   956
  let
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   957
    val ts = prep_terms ctxt (map snd raw_binds);
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   958
    val (ctxt', binds) =
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   959
      apsnd List.concat (foldl_map (prep_bind prep_pats) (ctxt, map fst raw_binds ~~ ts));
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   960
    val binds' =
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   961
      if gen then map #1 binds ~~ generalize ctxt' ctxt (map #2 binds)
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   962
      else binds;
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   963
    val binds'' = map (apsnd SOME) binds';
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   964
  in
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   965
    warn_extra_tfrees ctxt
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   966
     (if gen then ctxt (*sic!*) |> declare_terms (map #2 binds') |> add_binds_i binds''
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   967
      else ctxt' |> add_binds_i binds'')
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   968
  end;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   969
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   970
in
5935
6a82c8a1808f term_pat vs. prop_pat;
wenzelm
parents: 5919
diff changeset
   971
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   972
val match_bind = gen_binds read_terms read_term_pats;
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   973
val match_bind_i = gen_binds (map o cert_term) cert_term_pats;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   974
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   975
end;
5935
6a82c8a1808f term_pat vs. prop_pat;
wenzelm
parents: 5919
diff changeset
   976
6a82c8a1808f term_pat vs. prop_pat;
wenzelm
parents: 5919
diff changeset
   977
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   978
(* propositions with patterns *)
5935
6a82c8a1808f term_pat vs. prop_pat;
wenzelm
parents: 5919
diff changeset
   979
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   980
local
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   981
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   982
fun prep_propp schematic prep_props prep_pats (context, args) =
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   983
  let
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   984
    fun prep ((ctxt, prop :: props), (_, (raw_pats1, raw_pats2))) =
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   985
          let
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   986
            val ctxt' = declare_term prop ctxt;
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   987
            val pats = prep_pats ctxt' (raw_pats1 @ raw_pats2);    (*simultaneous type inference!*)
13629
a46362d2b19b take/drop -> splitAt
nipkow
parents: 13542
diff changeset
   988
          in ((ctxt', props), (prop, splitAt(length raw_pats1, pats))) end
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   989
      | prep _ = sys_error "prep_propp";
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   990
    val ((context', _), propp) = foldl_map (foldl_map prep)
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   991
        ((context, prep_props schematic context (List.concat (map (map fst) args))), args);
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   992
  in (context', propp) end;
5935
6a82c8a1808f term_pat vs. prop_pat;
wenzelm
parents: 5919
diff changeset
   993
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   994
fun matches ctxt (prop, (pats1, pats2)) =
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   995
  simult_matches ctxt (map (rpair prop) pats1 @ map (rpair (Logic.strip_imp_concl prop)) pats2);
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   996
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   997
fun gen_bind_propp prepp (ctxt, raw_args) =
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   998
  let
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   999
    val (ctxt', args) = prepp (ctxt, raw_args);
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1000
    val binds = List.concat (List.concat (map (map (matches ctxt')) args));
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1001
    val propss = map (map #1) args;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
  1002
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
  1003
    (*generalize result: context evaluated now, binds added later*)
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
  1004
    val gen = generalize ctxt' ctxt;
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
  1005
    fun gen_binds c = c |> add_binds_i (map #1 binds ~~ map SOME (gen (map #2 binds)));
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
  1006
  in (ctxt' |> add_binds_i (map (apsnd SOME) binds), (propss, gen_binds)) end;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1007
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1008
in
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1009
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1010
val read_propp = prep_propp false read_props read_prop_pats;
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1011
val cert_propp = prep_propp false cert_props cert_prop_pats;
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
  1012
val read_propp_schematic = prep_propp true read_props read_prop_pats;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
  1013
val cert_propp_schematic = prep_propp true cert_props cert_prop_pats;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
  1014
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1015
val bind_propp = gen_bind_propp read_propp;
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1016
val bind_propp_i = gen_bind_propp cert_propp;
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1017
val bind_propp_schematic = gen_bind_propp read_propp_schematic;
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
  1018
val bind_propp_schematic_i = gen_bind_propp cert_propp_schematic;
6789
0e5a965de17a auto_bind_goal, auto_bind_facts;
wenzelm
parents: 6762
diff changeset
  1019
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1020
end;
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1021
6789
0e5a965de17a auto_bind_goal, auto_bind_facts;
wenzelm
parents: 6762
diff changeset
  1022
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1023
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1024
(** theorems **)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1025
6091
e3cdbd929a24 eliminated tthm type and Attribute structure;
wenzelm
parents: 5994
diff changeset
  1026
(* get_thm(s) *)
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1027
9566
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
  1028
(*beware of proper order of evaluation!*)
13278
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
  1029
fun retrieve_thms f g (ctxt as Context {thy, thms = (_, space, tab, _), ...}) =
9566
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
  1030
  let
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
  1031
    val sg_ref = Sign.self_ref (Theory.sign_of thy);
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
  1032
    val get_from_thy = f thy;
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
  1033
  in
15456
956d6acacf89 Specific theorems in a named list of theorems can now be referred to
berghofe
parents: 15452
diff changeset
  1034
    fn xnamei as (xname, _) =>
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1035
      (case Symtab.lookup (tab, NameSpace.intern space xname) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
  1036
        SOME (SOME ths) => map (Thm.transfer_sg (Sign.deref sg_ref))
15456
956d6acacf89 Specific theorems in a named list of theorems can now be referred to
berghofe
parents: 15452
diff changeset
  1037
          (PureThy.select_thm xnamei ths)
956d6acacf89 Specific theorems in a named list of theorems can now be referred to
berghofe
parents: 15452
diff changeset
  1038
      | _ => get_from_thy xnamei) |> g xname
9566
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
  1039
  end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1040
9566
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
  1041
val get_thm = retrieve_thms PureThy.get_thms PureThy.single_thm;
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
  1042
val get_thm_closure = retrieve_thms PureThy.get_thms_closure PureThy.single_thm;
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
  1043
val get_thms = retrieve_thms PureThy.get_thms (K I);
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
  1044
val get_thms_closure = retrieve_thms PureThy.get_thms_closure (K I);
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1045
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1046
13425
119ae829ad9b support for split assumptions in cases (hyps vs. prems);
wenzelm
parents: 13415
diff changeset
  1047
(* name space operations *)
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1048
13278
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
  1049
fun cond_extern (Context {thms = (_, space, _, _), ...}) = NameSpace.cond_extern space;
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1050
13399
c136276dc847 support locale ``views'' (for cumulative predicates);
wenzelm
parents: 13378
diff changeset
  1051
fun qualified q = map_context (fn (thy, syntax, data, asms, binds,
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
  1052
    (_, space, tab, index), cases, defs, delta, delta_count) =>
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
  1053
  (thy, syntax, data, asms, binds, (q, space, tab, index), cases, defs, delta, delta_count));
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1054
13399
c136276dc847 support locale ``views'' (for cumulative predicates);
wenzelm
parents: 13378
diff changeset
  1055
fun restore_qualified (Context {thms, ...}) = qualified (#1 thms);
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1056
13425
119ae829ad9b support for split assumptions in cases (hyps vs. prems);
wenzelm
parents: 13415
diff changeset
  1057
fun hide_thms fully names =
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
  1058
  map_context (fn (thy, syntax, data, asms, binds, (q, space, tab, index), cases, defs, delta, delta_count) =>
13425
119ae829ad9b support for split assumptions in cases (hyps vs. prems);
wenzelm
parents: 13415
diff changeset
  1059
    (thy, syntax, data, asms, binds, (q, NameSpace.hide fully (space, names), tab, index),
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
  1060
      cases, defs, delta, delta_count));
13425
119ae829ad9b support for split assumptions in cases (hyps vs. prems);
wenzelm
parents: 13415
diff changeset
  1061
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1062
6091
e3cdbd929a24 eliminated tthm type and Attribute structure;
wenzelm
parents: 5994
diff changeset
  1063
(* put_thm(s) *)
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1064
15696
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1065
fun gen_put_thms _ _ ("", _) ctxt = ctxt
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1066
  | gen_put_thms override_q acc (name, ths) ctxt = ctxt |> map_context
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
  1067
      (fn (thy, syntax, data, asms, binds, (q, space, tab, index), cases, defs, delta, delta_count) =>
15696
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1068
        if not override_q andalso not q andalso NameSpace.is_qualified name then
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1069
          raise CONTEXT ("Attempt to declare qualified name " ^ quote name, ctxt)
15696
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1070
        else (thy, syntax, data, asms, binds, (q, NameSpace.extend' acc (space, [name]),
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
  1071
          Symtab.update ((name, SOME ths), tab),
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
  1072
            FactIndex.add (is_known ctxt) (index, (name, ths))), cases, defs, delta, delta_count));
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1073
15696
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1074
fun gen_put_thm q acc (name, th) = gen_put_thms q acc (name, [th]);
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1075
15696
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1076
fun gen_put_thmss q acc [] ctxt = ctxt
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1077
  | gen_put_thmss q acc (th :: ths) ctxt =
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1078
      ctxt |> gen_put_thms q acc th |> gen_put_thmss q acc ths;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1079
15696
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1080
val put_thm = gen_put_thm false NameSpace.accesses;
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1081
val put_thms = gen_put_thms false NameSpace.accesses;
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1082
val put_thmss = gen_put_thmss false NameSpace.accesses;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1083
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
  1084
(* reset_thms *)
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
  1085
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1086
fun reset_thms name =
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
  1087
  map_context (fn (thy, syntax, data, asms, binds, (q, space, tab, index), cases, defs, delta, delta_count) =>
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
  1088
    (thy, syntax, data, asms, binds, (q, space, Symtab.update ((name, NONE), tab), index),
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
  1089
      cases, defs, delta,delta_count));
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
  1090
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
  1091
14564
3667b4616e9a renamed have_thms to note_thms;
wenzelm
parents: 14508
diff changeset
  1092
(* note_thmss *)
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1093
12711
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1094
local
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1095
15696
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1096
fun gen_note_thss get acc (ctxt, ((name, more_attrs), ths_attrs)) =
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1097
  let
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1098
    fun app ((ct, ths), (th, attrs)) =
12711
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1099
      let val (ct', th') = Thm.applys_attributes ((ct, get ctxt th), attrs @ more_attrs)
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1100
      in (ct', th' :: ths) end;
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1101
    val (ctxt', rev_thms) = Library.foldl app ((ctxt, []), ths_attrs);
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1102
    val thms = List.concat (rev rev_thms);
15696
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1103
  in (ctxt' |> gen_put_thms true acc (name, thms), (name, thms)) end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1104
15696
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1105
fun gen_note_thmss get acc args ctxt =
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1106
  foldl_map (gen_note_thss get acc) (ctxt, args);
12711
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1107
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1108
in
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1109
15696
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1110
val note_thmss = gen_note_thmss get_thms NameSpace.accesses;
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1111
val note_thmss_i = gen_note_thmss (K I) NameSpace.accesses;
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1112
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1113
val note_thmss_accesses = gen_note_thmss get_thms;
1da4ce092c0b First release of interpretation commands.
ballarin
parents: 15624
diff changeset
  1114
val note_thmss_accesses_i = gen_note_thmss (K I);
12711
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1115
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1116
end;
9196
1f6f66fe777a facts: handle multiple lists of arguments;
wenzelm
parents: 9133
diff changeset
  1117
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1118
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1119
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1120
(** assumptions **)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1121
11918
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1122
(* basic exporters *)
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1123
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1124
fun export_assume true = Seq.single oo Drule.implies_intr_goals
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1125
  | export_assume false = Seq.single oo Drule.implies_intr_list;
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1126
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1127
fun export_presume _ = export_assume false;
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1128
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1129
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1130
(* defs *)
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1131
12066
wenzelm
parents: 12057
diff changeset
  1132
fun cert_def ctxt eq =
12016
425289df84d3 fix_frees;
wenzelm
parents: 12008
diff changeset
  1133
  let
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1134
    fun err msg = raise CONTEXT (msg ^
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1135
      "\nThe error(s) above occurred in local definition: " ^ string_of_term ctxt eq, ctxt);
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1136
    val (lhs, rhs) = Logic.dest_equals (Term.strip_all_body eq)
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1137
      handle TERM _ => err "Not a meta-equality (==)";
12086
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1138
    val (f, xs) = Term.strip_comb lhs;
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1139
    val (c, _) = Term.dest_Free f handle TERM _ =>
13430
ab814c7685a9 tuned messages;
wenzelm
parents: 13426
diff changeset
  1140
      err "Head of lhs must be a free/fixed variable";
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1141
12086
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1142
    fun is_free (Free (x, _)) = not (is_fixed ctxt x)
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1143
      | is_free _ = false;
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1144
    val extra_frees = List.filter is_free (term_frees rhs) \\ xs;
12016
425289df84d3 fix_frees;
wenzelm
parents: 12008
diff changeset
  1145
  in
12086
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1146
    conditional (not (forall (is_Bound orf is_free) xs andalso null (duplicates xs))) (fn () =>
13430
ab814c7685a9 tuned messages;
wenzelm
parents: 13426
diff changeset
  1147
      err "Arguments of lhs must be distinct free/bound variables");
12086
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1148
    conditional (f mem Term.term_frees rhs) (fn () =>
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1149
      err "Element to be defined occurs on rhs");
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1150
    conditional (not (null extra_frees)) (fn () =>
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1151
      err ("Extra free variables on rhs: " ^ commas_quote (map (#1 o dest_Free) extra_frees)));
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1152
    (c, Term.list_all_free (List.mapPartial (try Term.dest_Free) xs, eq))
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1153
  end;
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1154
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1155
fun head_of_def cprop =
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1156
  #1 (Term.strip_comb (#1 (Logic.dest_equals (Term.strip_all_body (Thm.term_of cprop)))))
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1157
  |> Thm.cterm_of (Thm.sign_of_cterm cprop);
11918
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1158
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1159
fun export_def _ cprops thm =
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1160
  thm
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1161
  |> Drule.implies_intr_list cprops
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1162
  |> Drule.forall_intr_list (map head_of_def cprops)
11918
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1163
  |> Drule.forall_elim_vars 0
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1164
  |> RANGE (replicate (length cprops) (Tactic.rtac Drule.reflexive_thm)) 1;
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1165
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1166
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1167
(* assume *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1168
7270
2b64729d9acb warn_vars;
wenzelm
parents: 7200
diff changeset
  1169
local
6797
f86b96a0f6fb improved handling of assumptions;
wenzelm
parents: 6789
diff changeset
  1170
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1171
fun add_assm (ctxt, ((name, attrs), props)) =
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1172
  let
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1173
    val cprops = map (Thm.cterm_of (sign_of ctxt)) props;
12804
163a85ba885b Tactic.norm_hhf renamed to Tactic.norm_hhf_rule;
wenzelm
parents: 12770
diff changeset
  1174
    val asms = map (Tactic.norm_hhf_rule o Thm.assume) cprops;
5919
a5b2d4b9ed6f have_tthms;
wenzelm
parents: 5874
diff changeset
  1175
a5b2d4b9ed6f have_tthms;
wenzelm
parents: 5874
diff changeset
  1176
    val ths = map (fn th => ([th], [])) asms;
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1177
    val (ctxt', [(_, thms)]) =
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1178
      ctxt
12147
64e69a8a945f adapted auto_bind_goal, auto_bind_facts;
wenzelm
parents: 12130
diff changeset
  1179
      |> auto_bind_facts props
14564
3667b4616e9a renamed have_thms to note_thms;
wenzelm
parents: 14508
diff changeset
  1180
      |> note_thmss_i [((name, attrs), ths)];
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1181
  in (ctxt', (cprops, (name, asms), (name, thms))) end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1182
9470
705ca49129fc exporter setup for context elements;
wenzelm
parents: 9325
diff changeset
  1183
fun gen_assms prepp exp args ctxt =
705ca49129fc exporter setup for context elements;
wenzelm
parents: 9325
diff changeset
  1184
  let
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1185
    val (ctxt1, propss) = prepp (ctxt, map snd args);
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1186
    val (ctxt2, results) = foldl_map add_assm (ctxt1, map fst args ~~ propss);
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1187
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1188
    val cprops = List.concat (map #1 results);
9470
705ca49129fc exporter setup for context elements;
wenzelm
parents: 9325
diff changeset
  1189
    val asmss = map #2 results;
705ca49129fc exporter setup for context elements;
wenzelm
parents: 9325
diff changeset
  1190
    val thmss = map #3 results;
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
  1191
    val ctxt3 = ctxt2 |> map_context
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
  1192
      (fn (thy, syntax, data, ((asms_ct, asms_th), fixes), binds, thms, cases, defs, delta, delta_count) =>
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
  1193
        (thy, syntax, data, ((asms_ct @ [(cprops, exp)], asms_th @ asmss), fixes), binds, thms,
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
  1194
          cases, defs, delta, delta_count));
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1195
    val ctxt4 = ctxt3 |> put_thms ("prems", prems_of ctxt3);
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1196
  in (warn_extra_tfrees ctxt ctxt4, thmss) end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1197
7270
2b64729d9acb warn_vars;
wenzelm
parents: 7200
diff changeset
  1198
in
2b64729d9acb warn_vars;
wenzelm
parents: 7200
diff changeset
  1199
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
  1200
val assume = gen_assms (apsnd #1 o bind_propp);
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
  1201
val assume_i = gen_assms (apsnd #1 o bind_propp_i);
7270
2b64729d9acb warn_vars;
wenzelm
parents: 7200
diff changeset
  1202
2b64729d9acb warn_vars;
wenzelm
parents: 7200
diff changeset
  1203
end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1204
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1205
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1206
(* variables *)
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1207
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
  1208
local
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
  1209
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
  1210
fun prep_vars prep_typ internal liberal (ctxt, (xs, raw_T)) =
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1211
  let
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1212
    fun cond_tvars T =
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1213
      if internal then T
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1214
      else Type.no_tvars T handle TYPE (msg, _, _) => raise CONTEXT (msg, ctxt);
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1215
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
  1216
    val _ = if liberal then () else
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1217
      (case List.filter (not o Syntax.is_identifier) (map (no_skolem internal ctxt) xs) of
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1218
      [] => () | bads => raise CONTEXT ("Bad variable name(s): " ^ commas_quote bads, ctxt));
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1219
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1220
    val opt_T = Option.map (cond_tvars o prep_typ ctxt) raw_T;
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1221
    val T = getOpt (opt_T, TypeInfer.logicT);
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1222
    val ctxt' = ctxt |> declare_terms_syntax (map (fn x => Free (x, T)) xs);
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1223
  in (ctxt', (xs, opt_T)) end;
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1224
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
  1225
in
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
  1226
14720
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
  1227
val read_vars         = prep_vars read_typ false false;
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
  1228
val cert_vars         = prep_vars cert_typ true false;
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
  1229
val read_vars_liberal = prep_vars read_typ false true;
ceff6d4fb836 cleanup up read functions, include liberal versions;
wenzelm
parents: 14707
diff changeset
  1230
val cert_vars_liberal = prep_vars cert_typ true true;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1231
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
  1232
end;
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
  1233
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1234
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1235
(* fix *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1236
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1237
local
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1238
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1239
fun map_fixes f =
15452
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
  1240
  map_context (fn (thy, syntax, data, (assumes, fixes), binds, thms, cases, defs, delta, delta_count) =>
e2a721567f67 Jia Meng: delta simpsets and clasets
paulson
parents: 14981
diff changeset
  1241
    (thy, syntax, data, (assumes, f fixes), binds, thms, cases, defs, delta, delta_count));
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1242
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1243
fun err_dups ctxt xs = raise CONTEXT ("Duplicate variable(s): " ^ commas_quote xs, ctxt);
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1244
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1245
val declare =
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1246
  declare_terms_syntax o List.mapPartial (fn (_, NONE) => NONE | (x, SOME T) => SOME (Free (x, T)));
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1247
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1248
fun add_vars xs Ts ctxt =
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1249
  let val xs' = Term.variantlist (map Syntax.skolem xs, map #2 (fixes_of ctxt)) in
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1250
    ctxt
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1251
    |> declare (xs' ~~ Ts)
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1252
    |> map_fixes (fn fixes => (xs ~~ xs') @ fixes)
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1253
  end;
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1254
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1255
fun add_vars_direct xs Ts ctxt =
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1256
  ctxt
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1257
  |> declare (xs ~~ Ts)
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1258
  |> map_fixes (fn fixes =>
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1259
    (case xs inter_string map #1 fixes of
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1260
      [] => (xs ~~ xs) @ fixes
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1261
    | dups => err_dups ctxt dups));
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1262
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1263
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1264
fun gen_fix prep add raw_vars ctxt =
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1265
  let
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff