src/Pure/sign.ML
author wenzelm
Mon Aug 20 23:41:37 2007 +0200 (2007-08-20)
changeset 24370 757b093e3459
parent 24273 1d4b411caf44
child 24485 687bbb686ef9
permissions -rw-r--r--
read_def_terms: moved disambig to syntax.ML;
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(*  Title:      Pure/sign.ML
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    ID:         $Id$
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    Author:     Lawrence C Paulson and Markus Wenzel
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Logical signature content: naming conventions, concrete syntax, type
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signature, polymorphic constants.
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*)
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signature SIGN_THEORY =
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sig
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  val add_defsort: string -> theory -> theory
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  val add_defsort_i: sort -> theory -> theory
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  val add_types: (bstring * int * mixfix) list -> theory -> theory
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  val add_typedecls: (bstring * string list * mixfix) list -> theory -> theory
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  val add_nonterminals: bstring list -> theory -> theory
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  val add_tyabbrs: (bstring * string list * string * mixfix) list -> theory -> theory
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  val add_tyabbrs_i: (bstring * string list * typ * mixfix) list -> theory -> theory
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  val add_syntax: (bstring * string * mixfix) list -> theory -> theory
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  val add_syntax_i: (bstring * typ * mixfix) list -> theory -> theory
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  val add_modesyntax: Syntax.mode -> (bstring * string * mixfix) list -> theory -> theory
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  val add_modesyntax_i: Syntax.mode -> (bstring * typ * mixfix) list -> theory -> theory
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  val del_modesyntax: Syntax.mode -> (bstring * string * mixfix) list -> theory -> theory
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  val del_modesyntax_i: Syntax.mode -> (bstring * typ * mixfix) list -> theory -> theory
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  val add_consts: (bstring * string * mixfix) list -> theory -> theory
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  val add_consts_i: (bstring * typ * mixfix) list -> theory -> theory
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  val add_trfuns:
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    (string * (ast list -> ast)) list *
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    (string * (term list -> term)) list *
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    (string * (term list -> term)) list *
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    (string * (ast list -> ast)) list -> theory -> theory
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  val add_trfunsT:
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    (string * (bool -> typ -> term list -> term)) list -> theory -> theory
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  val add_advanced_trfuns:
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    (string * (Proof.context -> ast list -> ast)) list *
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    (string * (Proof.context -> term list -> term)) list *
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    (string * (Proof.context -> term list -> term)) list *
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    (string * (Proof.context -> ast list -> ast)) list -> theory -> theory
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  val add_advanced_trfunsT:
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    (string * (Proof.context -> bool -> typ -> term list -> term)) list -> theory -> theory
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  val add_tokentrfuns:
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    (string * string * (string -> output * int)) list -> theory -> theory
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  val add_mode_tokentrfuns: string -> (string * (string -> output * int)) list
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    -> theory -> theory
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  val add_trrules: (xstring * string) Syntax.trrule list -> theory -> theory
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  val del_trrules: (xstring * string) Syntax.trrule list -> theory -> theory
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  val add_trrules_i: ast Syntax.trrule list -> theory -> theory
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  val del_trrules_i: ast Syntax.trrule list -> theory -> theory
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  val add_path: string -> theory -> theory
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  val parent_path: theory -> theory
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  val root_path: theory -> theory
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  val absolute_path: theory -> theory
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  val local_path: theory -> theory
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  val no_base_names: theory -> theory
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  val qualified_names: theory -> theory
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  val sticky_prefix: string -> theory -> theory
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  val set_policy: (string -> bstring -> string) * (string list -> string list list) ->
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    theory -> theory
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  val restore_naming: theory -> theory -> theory
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end
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signature SIGN =
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sig
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  val rep_sg: theory ->
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   {naming: NameSpace.naming,
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    syn: Syntax.syntax,
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    tsig: Type.tsig,
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    consts: Consts.T}
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  val naming_of: theory -> NameSpace.naming
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  val base_name: string -> bstring
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  val full_name: theory -> bstring -> string
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  val full_name_path: theory -> string -> bstring -> string
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  val declare_name: theory -> string -> NameSpace.T -> NameSpace.T
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  val syn_of: theory -> Syntax.syntax
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  val tsig_of: theory -> Type.tsig
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  val classes_of: theory -> Sorts.algebra
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  val all_classes: theory -> class list
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  val super_classes: theory -> class -> class list
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  val defaultS: theory -> sort
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  val subsort: theory -> sort * sort -> bool
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  val of_sort: theory -> typ * sort -> bool
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  val witness_sorts: theory -> sort list -> sort list -> (typ * sort) list
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  val universal_witness: theory -> (typ * sort) option
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  val all_sorts_nonempty: theory -> bool
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  val typ_instance: theory -> typ * typ -> bool
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  val typ_equiv: theory -> typ * typ -> bool
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  val typ_match: theory -> typ * typ -> Type.tyenv -> Type.tyenv
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  val typ_unify: theory -> typ * typ -> Type.tyenv * int -> Type.tyenv * int
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  val is_logtype: theory -> string -> bool
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  val consts_of: theory -> Consts.T
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  val const_constraint: theory -> string -> typ option
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  val the_const_constraint: theory -> string -> typ
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  val const_type: theory -> string -> typ option
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  val the_const_type: theory -> string -> typ
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  val declared_tyname: theory -> string -> bool
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  val declared_const: theory -> string -> bool
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  val const_monomorphic: theory -> string -> bool
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  val const_syntax_name: theory -> string -> string
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  val const_typargs: theory -> string * typ -> typ list
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  val const_instance: theory -> string * typ list -> typ
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  val class_space: theory -> NameSpace.T
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  val type_space: theory -> NameSpace.T
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  val const_space: theory -> NameSpace.T
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  val intern_class: theory -> xstring -> string
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  val extern_class: theory -> string -> xstring
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  val intern_type: theory -> xstring -> string
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  val extern_type: theory -> string -> xstring
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  val intern_const: theory -> xstring -> string
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  val extern_const: theory -> string -> xstring
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  val intern_sort: theory -> sort -> sort
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  val extern_sort: theory -> sort -> sort
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  val intern_typ: theory -> typ -> typ
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  val extern_typ: theory -> typ -> typ
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  val intern_term: theory -> term -> term
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  val extern_term: (string -> xstring) -> theory -> term -> term
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  val intern_tycons: theory -> typ -> typ
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  val pretty_term': Proof.context -> Syntax.syntax -> (string -> xstring) -> term -> Pretty.T
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  val pretty_term: theory -> term -> Pretty.T
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  val pretty_typ: theory -> typ -> Pretty.T
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  val pretty_sort: theory -> sort -> Pretty.T
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  val pretty_classrel: theory -> class list -> Pretty.T
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  val pretty_arity: theory -> arity -> Pretty.T
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  val string_of_term: theory -> term -> string
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  val string_of_typ: theory -> typ -> string
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  val string_of_sort: theory -> sort -> string
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  val string_of_classrel: theory -> class list -> string
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  val string_of_arity: theory -> arity -> string
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  val pp: theory -> Pretty.pp
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  val arity_number: theory -> string -> int
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  val arity_sorts: theory -> string -> sort -> sort list
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  val certify_class: theory -> class -> class
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  val certify_sort: theory -> sort -> sort
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  val certify_typ: theory -> typ -> typ
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  val certify_typ_mode: Type.mode -> theory -> typ -> typ
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  val certify': bool -> bool -> Pretty.pp -> Consts.T -> theory -> term -> term * typ * int
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  val certify_term: theory -> term -> term * typ * int
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  val certify_prop: theory -> term -> term * typ * int
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  val cert_term: theory -> term -> term
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  val cert_prop: theory -> term -> term
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  val no_frees: Pretty.pp -> term -> term
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  val no_vars: Pretty.pp -> term -> term
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  val cert_def: Pretty.pp -> term -> (string * typ) * term
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  val read_class: theory -> xstring -> class
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  val read_arity: theory -> xstring * string list * string -> arity
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  val cert_arity: theory -> arity -> arity
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  val get_sort: theory ->
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    (indexname -> sort option) -> (indexname * sort) list -> indexname -> sort
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  val read_def_typ: theory * (indexname -> sort option) -> string -> typ
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  val read_typ: theory -> string -> typ
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  val read_typ_syntax: theory -> string -> typ
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  val read_typ_abbrev: theory -> string -> typ
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  val read_tyname: theory -> string -> typ
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  val read_const: theory -> string -> term
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  val read_def_terms': Pretty.pp -> (string -> bool) -> Syntax.syntax -> Consts.T ->
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    (string -> string option) -> Proof.context ->
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    (indexname -> typ option) * (indexname -> sort option) ->
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    Name.context -> bool -> (string * typ) list -> term list * (indexname * typ) list
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  val read_def_terms:
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    theory * (indexname -> typ option) * (indexname -> sort option) ->
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    string list -> bool -> (string * typ) list -> term list * (indexname * typ) list
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  val simple_read_term: theory -> typ -> string -> term
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  val read_term: theory -> string -> term
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  val read_prop: theory -> string -> term
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  val add_consts_authentic: (bstring * typ * mixfix) list -> theory -> theory
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  val add_notation: Syntax.mode -> (term * mixfix) list -> theory -> theory
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  val add_abbrev: string -> bstring * term -> theory -> (term * term) * theory
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  include SIGN_THEORY
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  val add_const_constraint: xstring * string option -> theory -> theory
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  val add_const_constraint_i: string * typ option -> theory -> theory
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  val primitive_class: string * class list -> theory -> theory
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  val primitive_classrel: class * class -> theory -> theory
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  val primitive_arity: arity -> theory -> theory
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  val hide_classes: bool -> xstring list -> theory -> theory
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  val hide_classes_i: bool -> string list -> theory -> theory
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  val hide_types: bool -> xstring list -> theory -> theory
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  val hide_types_i: bool -> string list -> theory -> theory
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  val hide_consts: bool -> xstring list -> theory -> theory
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  val hide_consts_i: bool -> string list -> theory -> theory
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  val hide_names: bool -> string * xstring list -> theory -> theory
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  val hide_names_i: bool -> string * string list -> theory -> theory
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end
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structure Sign: SIGN =
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struct
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(** datatype sign **)
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datatype sign = Sign of
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 {naming: NameSpace.naming,     (*common naming conventions*)
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  syn: Syntax.syntax,           (*concrete syntax for terms, types, sorts*)
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  tsig: Type.tsig,              (*order-sorted signature of types*)
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  consts: Consts.T};            (*polymorphic constants*)
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fun make_sign (naming, syn, tsig, consts) =
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  Sign {naming = naming, syn = syn, tsig = tsig, consts = consts};
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structure SignData = TheoryDataFun
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(
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  type T = sign;
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  val copy = I;
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  fun extend (Sign {syn, tsig, consts, ...}) =
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    make_sign (NameSpace.default_naming, syn, tsig, consts);
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  val empty =
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    make_sign (NameSpace.default_naming, Syntax.basic_syn, Type.empty_tsig, Consts.empty);
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  fun merge pp (sign1, sign2) =
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    let
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      val Sign {naming = _, syn = syn1, tsig = tsig1, consts = consts1} = sign1;
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      val Sign {naming = _, syn = syn2, tsig = tsig2, consts = consts2} = sign2;
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      val naming = NameSpace.default_naming;
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      val syn = Syntax.merge_syntaxes syn1 syn2;
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      val tsig = Type.merge_tsigs pp (tsig1, tsig2);
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      val consts = Consts.merge (consts1, consts2);
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    in make_sign (naming, syn, tsig, consts) end;
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);
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fun rep_sg thy = SignData.get thy |> (fn Sign args => args);
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fun map_sign f = SignData.map (fn Sign {naming, syn, tsig, consts} =>
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  make_sign (f (naming, syn, tsig, consts)));
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fun map_naming f = map_sign (fn (naming, syn, tsig, consts) => (f naming, syn, tsig, consts));
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fun map_syn f = map_sign (fn (naming, syn, tsig, consts) => (naming, f syn, tsig, consts));
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fun map_tsig f = map_sign (fn (naming, syn, tsig, consts) => (naming, syn, f tsig, consts));
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fun map_consts f = map_sign (fn (naming, syn, tsig, consts) => (naming, syn, tsig, f consts));
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(* naming *)
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val naming_of = #naming o rep_sg;
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val base_name = NameSpace.base;
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val full_name = NameSpace.full o naming_of;
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fun full_name_path thy elems = NameSpace.full (NameSpace.add_path elems (naming_of thy));
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val declare_name = NameSpace.declare o naming_of;
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(* syntax *)
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val syn_of = #syn o rep_sg;
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(* type signature *)
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val tsig_of = #tsig o rep_sg;
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val classes_of = #2 o #classes o Type.rep_tsig o tsig_of;
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val all_classes = Sorts.all_classes o classes_of;
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val minimal_classes = Sorts.minimal_classes o classes_of;
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val super_classes = Sorts.super_classes o classes_of;
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val defaultS = Type.defaultS o tsig_of;
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val subsort = Type.subsort o tsig_of;
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val of_sort = Type.of_sort o tsig_of;
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val witness_sorts = Type.witness_sorts o tsig_of;
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val universal_witness = Type.universal_witness o tsig_of;
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val all_sorts_nonempty = is_some o universal_witness;
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val typ_instance = Type.typ_instance o tsig_of;
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fun typ_equiv thy (T, U) = typ_instance thy (T, U) andalso typ_instance thy (U, T);
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val typ_match = Type.typ_match o tsig_of;
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val typ_unify = Type.unify o tsig_of;
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val is_logtype = member (op =) o Type.logical_types o tsig_of;
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(* polymorphic constants *)
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val consts_of = #consts o rep_sg;
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val the_const_constraint = Consts.the_constraint o consts_of;
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val const_constraint = try o the_const_constraint;
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val the_const_type = Consts.the_declaration o consts_of;
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val const_type = try o the_const_type;
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val const_monomorphic = Consts.is_monomorphic o consts_of;
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val const_syntax_name = Consts.syntax_name o consts_of;
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val const_typargs = Consts.typargs o consts_of;
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val const_instance = Consts.instance o consts_of;
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val declared_tyname = Symtab.defined o #2 o #types o Type.rep_tsig o tsig_of;
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val declared_const = is_some oo const_constraint;
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(** intern / extern names **)
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val class_space = #1 o #classes o Type.rep_tsig o tsig_of;
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val type_space = #1 o #types o Type.rep_tsig o tsig_of;
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val const_space = Consts.space_of o consts_of;
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val intern_class = NameSpace.intern o class_space;
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val extern_class = NameSpace.extern o class_space;
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val intern_type = NameSpace.intern o type_space;
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val extern_type = NameSpace.extern o type_space;
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val intern_const = NameSpace.intern o const_space;
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val extern_const = NameSpace.extern o const_space;
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val intern_sort = map o intern_class;
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val extern_sort = map o extern_class;
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local
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fun map_typ f g (Type (c, Ts)) = Type (g c, map (map_typ f g) Ts)
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  | map_typ f _ (TFree (x, S)) = TFree (x, map f S)
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   300
  | map_typ f _ (TVar (xi, S)) = TVar (xi, map f S);
wenzelm@18892
   301
wenzelm@18892
   302
fun map_term f g h (Const (c, T)) = Const (h c, map_typ f g T)
wenzelm@18892
   303
  | map_term f g _ (Free (x, T)) = Free (x, map_typ f g T)
wenzelm@18892
   304
  | map_term f g _ (Var (xi, T)) = Var (xi, map_typ f g T)
wenzelm@18892
   305
  | map_term _ _ _ (t as Bound _) = t
wenzelm@18892
   306
  | map_term f g h (Abs (x, T, t)) = Abs (x, map_typ f g T, map_term f g h t)
wenzelm@18892
   307
  | map_term f g h (t $ u) = map_term f g h t $ map_term f g h u;
wenzelm@18892
   308
wenzelm@18994
   309
val add_classesT = Term.fold_atyps
wenzelm@18994
   310
  (fn TFree (_, S) => fold (insert (op =)) S
wenzelm@18994
   311
    | TVar (_, S) => fold (insert (op =)) S
wenzelm@18994
   312
    | _ => I);
wenzelm@18994
   313
wenzelm@18994
   314
fun add_tyconsT (Type (c, Ts)) = insert (op =) c #> fold add_tyconsT Ts
wenzelm@18994
   315
  | add_tyconsT _ = I;
wenzelm@18994
   316
wenzelm@18994
   317
val add_consts = Term.fold_aterms (fn Const (c, _) => insert (op =) c | _ => I);
wenzelm@18994
   318
wenzelm@16337
   319
fun mapping add_names f t =
wenzelm@16337
   320
  let
wenzelm@20664
   321
    fun f' (x: string) = let val y = f x in if x = y then NONE else SOME (x, y) end;
wenzelm@19482
   322
    val tab = map_filter f' (add_names t []);
wenzelm@18941
   323
    fun get x = the_default x (AList.lookup (op =) tab x);
wenzelm@16337
   324
  in get end;
wenzelm@16337
   325
wenzelm@16442
   326
fun typ_mapping f g thy T =
wenzelm@18892
   327
  T |> map_typ
wenzelm@18994
   328
    (mapping add_classesT (f thy) T)
wenzelm@18994
   329
    (mapping add_tyconsT (g thy) T);
wenzelm@14645
   330
wenzelm@16442
   331
fun term_mapping f g h thy t =
wenzelm@18892
   332
  t |> map_term
wenzelm@18994
   333
    (mapping (Term.fold_types add_classesT) (f thy) t)
wenzelm@18994
   334
    (mapping (Term.fold_types add_tyconsT) (g thy) t)
wenzelm@18994
   335
    (mapping add_consts (h thy) t);
wenzelm@16337
   336
wenzelm@16337
   337
in
wenzelm@14645
   338
wenzelm@16368
   339
val intern_typ = typ_mapping intern_class intern_type;
wenzelm@16368
   340
val extern_typ = typ_mapping extern_class extern_type;
wenzelm@16368
   341
val intern_term = term_mapping intern_class intern_type intern_const;
wenzelm@18994
   342
fun extern_term h = term_mapping extern_class extern_type (K h);
wenzelm@16368
   343
val intern_tycons = typ_mapping (K I) intern_type;
wenzelm@16337
   344
wenzelm@16337
   345
end;
wenzelm@14645
   346
wenzelm@14645
   347
wenzelm@14645
   348
wenzelm@4249
   349
(** pretty printing of terms, types etc. **)
wenzelm@3937
   350
wenzelm@21772
   351
fun pretty_term' ctxt syn ext t =
wenzelm@21772
   352
  let val curried = Context.exists_name Context.CPureN (ProofContext.theory_of ctxt)
wenzelm@21772
   353
  in Syntax.pretty_term ext ctxt syn curried t end;
wenzelm@18857
   354
wenzelm@18994
   355
fun pretty_term thy t =
wenzelm@21772
   356
  pretty_term' (ProofContext.init thy) (syn_of thy) (Consts.extern (consts_of thy))
wenzelm@19366
   357
    (extern_term (Consts.extern_early (consts_of thy)) thy t);
wenzelm@18857
   358
wenzelm@21772
   359
fun pretty_typ thy T =
wenzelm@21772
   360
  Syntax.pretty_typ (ProofContext.init thy) (syn_of thy) (extern_typ thy T);
wenzelm@21772
   361
wenzelm@21772
   362
fun pretty_sort thy S =
wenzelm@21772
   363
  Syntax.pretty_sort (ProofContext.init thy) (syn_of thy) (extern_sort thy S);
wenzelm@3937
   364
wenzelm@19482
   365
fun pretty_classrel thy cs = Pretty.block (flat
wenzelm@16442
   366
  (separate [Pretty.str " <", Pretty.brk 1] (map (single o pretty_sort thy o single) cs)));
wenzelm@3937
   367
wenzelm@16442
   368
fun pretty_arity thy (a, Ss, S) =
wenzelm@3937
   369
  let
wenzelm@16442
   370
    val a' = extern_type thy a;
wenzelm@3937
   371
    val dom =
wenzelm@3937
   372
      if null Ss then []
wenzelm@16442
   373
      else [Pretty.list "(" ")" (map (pretty_sort thy) Ss), Pretty.brk 1];
wenzelm@16442
   374
  in Pretty.block ([Pretty.str (a' ^ " ::"), Pretty.brk 1] @ dom @ [pretty_sort thy S]) end;
wenzelm@3937
   375
wenzelm@14828
   376
val string_of_term = Pretty.string_of oo pretty_term;
wenzelm@14828
   377
val string_of_typ = Pretty.string_of oo pretty_typ;
wenzelm@14828
   378
val string_of_sort = Pretty.string_of oo pretty_sort;
wenzelm@14828
   379
val string_of_classrel = Pretty.string_of oo pretty_classrel;
wenzelm@14828
   380
val string_of_arity = Pretty.string_of oo pretty_arity;
wenzelm@3937
   381
wenzelm@16442
   382
fun pp thy = Pretty.pp (pretty_term thy, pretty_typ thy, pretty_sort thy,
wenzelm@16442
   383
  pretty_classrel thy, pretty_arity thy);
wenzelm@14828
   384
wenzelm@3937
   385
wenzelm@3937
   386
wenzelm@16337
   387
(** certify entities **)    (*exception TYPE*)
wenzelm@8898
   388
wenzelm@16337
   389
(* certify wrt. type signature *)
wenzelm@8898
   390
wenzelm@19462
   391
val arity_number = Type.arity_number o tsig_of;
wenzelm@19462
   392
fun arity_sorts thy = Type.arity_sorts (pp thy) (tsig_of thy);
wenzelm@19462
   393
wenzelm@24273
   394
val certify_class         = Type.cert_class o tsig_of;
wenzelm@24273
   395
val certify_sort          = Type.cert_sort o tsig_of;
wenzelm@24273
   396
val certify_typ           = Type.cert_typ o tsig_of;
wenzelm@24273
   397
fun certify_typ_mode mode = Type.cert_typ_mode mode o tsig_of;
wenzelm@10443
   398
wenzelm@4961
   399
wenzelm@18967
   400
(* certify term/prop *)
wenzelm@4961
   401
wenzelm@14987
   402
local
nipkow@1494
   403
wenzelm@16337
   404
fun type_check pp tm =
wenzelm@4961
   405
  let
wenzelm@4961
   406
    fun err_appl why bs t T u U =
wenzelm@4961
   407
      let
wenzelm@10404
   408
        val xs = map Free bs;           (*we do not rename here*)
wenzelm@4961
   409
        val t' = subst_bounds (xs, t);
wenzelm@4961
   410
        val u' = subst_bounds (xs, u);
wenzelm@16337
   411
        val msg = cat_lines
wenzelm@14828
   412
          (TypeInfer.appl_error (Syntax.pp_show_brackets pp) why t' T u' U);
wenzelm@16337
   413
      in raise TYPE (msg, [T, U], [t', u']) end;
wenzelm@4961
   414
wenzelm@4961
   415
    fun typ_of (_, Const (_, T)) = T
wenzelm@4961
   416
      | typ_of (_, Free  (_, T)) = T
wenzelm@4961
   417
      | typ_of (_, Var (_, T)) = T
skalberg@15570
   418
      | typ_of (bs, Bound i) = snd (List.nth (bs, i) handle Subscript =>
wenzelm@4961
   419
          raise TYPE ("Loose bound variable: B." ^ string_of_int i, [], [Bound i]))
wenzelm@4961
   420
      | typ_of (bs, Abs (x, T, body)) = T --> typ_of ((x, T) :: bs, body)
wenzelm@4961
   421
      | typ_of (bs, t $ u) =
wenzelm@4961
   422
          let val T = typ_of (bs, t) and U = typ_of (bs, u) in
wenzelm@4961
   423
            (case T of
wenzelm@4961
   424
              Type ("fun", [T1, T2]) =>
wenzelm@14828
   425
                if T1 = U then T2 else err_appl "Incompatible operand type" bs t T u U
wenzelm@14828
   426
            | _ => err_appl "Operator not of function type" bs t T u U)
wenzelm@4961
   427
          end;
wenzelm@18967
   428
  in typ_of ([], tm) end;
wenzelm@4961
   429
wenzelm@18967
   430
fun err msg = raise TYPE (msg, [], []);
wenzelm@18967
   431
wenzelm@18967
   432
fun check_vars (t $ u) = (check_vars t; check_vars u)
wenzelm@18967
   433
  | check_vars (Abs (_, _, t)) = check_vars t
wenzelm@18967
   434
  | check_vars (Var (xi as (_, i), _)) =
wenzelm@18967
   435
      if i < 0 then err ("Malformed variable: " ^ quote (Term.string_of_vname xi)) else ()
wenzelm@18967
   436
  | check_vars _ = ();
clasohm@0
   437
wenzelm@14987
   438
in
wenzelm@14987
   439
wenzelm@19366
   440
fun certify' normalize prop pp consts thy tm =
wenzelm@251
   441
  let
wenzelm@18967
   442
    val _ = check_vars tm;
wenzelm@20548
   443
    val tm' = Term.map_types (certify_typ thy) tm;
wenzelm@18967
   444
    val T = type_check pp tm';
wenzelm@18967
   445
    val _ = if prop andalso T <> propT then err "Term not of type prop" else ();
wenzelm@19366
   446
    val tm'' = Consts.certify pp (tsig_of thy) consts tm';
wenzelm@18967
   447
    val tm'' = if normalize then tm'' else tm';
wenzelm@18967
   448
  in (if tm = tm'' then tm else tm'', T, Term.maxidx_of_term tm'') end;
wenzelm@169
   449
wenzelm@19366
   450
fun certify_term thy = certify' true false (pp thy) (consts_of thy) thy;
wenzelm@19366
   451
fun certify_prop thy = certify' true true (pp thy) (consts_of thy) thy;
wenzelm@18967
   452
wenzelm@19366
   453
fun cert_term_abbrev thy = #1 o certify' false false (pp thy) (consts_of thy) thy;
wenzelm@18967
   454
val cert_term = #1 oo certify_term;
wenzelm@18967
   455
val cert_prop = #1 oo certify_prop;
wenzelm@251
   456
wenzelm@14987
   457
end;
wenzelm@14987
   458
wenzelm@251
   459
wenzelm@18941
   460
(* specifications *)
wenzelm@18941
   461
wenzelm@21741
   462
fun no_variables kind add addT mk mkT pp tm =
wenzelm@21741
   463
  (case (add tm [], addT tm []) of
wenzelm@18941
   464
    ([], []) => tm
wenzelm@21741
   465
  | (frees, tfrees) => error (Pretty.string_of (Pretty.block (Pretty.breaks
wenzelm@21741
   466
      (Pretty.str ("Illegal " ^ kind ^ " variable(s) in term:") ::
wenzelm@21741
   467
       map (Pretty.term pp o mk) frees @ map (Pretty.typ pp o mkT) tfrees)))));
wenzelm@21741
   468
wenzelm@21741
   469
val no_frees = no_variables "free" Term.add_frees Term.add_tfrees Free TFree;
wenzelm@21741
   470
val no_vars = no_variables "schematic" Term.add_vars Term.add_tvars Var TVar;
wenzelm@18941
   471
wenzelm@18941
   472
fun cert_def pp tm =
wenzelm@18941
   473
  let val ((lhs, rhs), _) = tm
wenzelm@18941
   474
    |> no_vars pp
wenzelm@18941
   475
    |> Logic.strip_imp_concl
wenzelm@24260
   476
    |> PrimitiveDefs.dest_def pp Term.is_Const (K false) (K false)
wenzelm@18941
   477
  in (Term.dest_Const (Term.head_of lhs), rhs) end
wenzelm@18941
   478
  handle TERM (msg, _) => error msg;
wenzelm@18941
   479
wenzelm@18941
   480
wenzelm@16337
   481
wenzelm@16442
   482
(** read and certify entities **)    (*exception ERROR*)
wenzelm@16337
   483
wenzelm@24273
   484
(* classes *)
wenzelm@19244
   485
wenzelm@19427
   486
fun read_class thy c = certify_class thy (intern_class thy c)
wenzelm@19427
   487
  handle TYPE (msg, _, _) => error msg;
wenzelm@16337
   488
wenzelm@16337
   489
wenzelm@19244
   490
(* type arities *)
wenzelm@19244
   491
wenzelm@19244
   492
fun prep_arity prep_tycon prep_sort thy (t, Ss, S) =
wenzelm@19244
   493
  let val arity = (prep_tycon thy t, map (prep_sort thy) Ss, prep_sort thy S)
wenzelm@19513
   494
  in Type.add_arity (pp thy) arity (tsig_of thy); arity end;
wenzelm@19244
   495
wenzelm@24273
   496
val read_arity = prep_arity intern_type Syntax.global_read_sort;
wenzelm@19244
   497
val cert_arity = prep_arity (K I) certify_sort;
wenzelm@19244
   498
wenzelm@19244
   499
wenzelm@16337
   500
(* types *)
wenzelm@16337
   501
wenzelm@22765
   502
fun get_sort thy def_sort raw_env =
wenzelm@22696
   503
  let
wenzelm@22765
   504
    val tsig = tsig_of thy;
wenzelm@22765
   505
wenzelm@22696
   506
    fun eq ((xi, S), (xi', S')) =
wenzelm@22696
   507
      Term.eq_ix (xi, xi') andalso Type.eq_sort tsig (S, S');
wenzelm@22696
   508
    val env = distinct eq raw_env;
wenzelm@22696
   509
    val _ = (case duplicates (eq_fst (op =)) env of [] => ()
wenzelm@22696
   510
      | dups => error ("Inconsistent sort constraints for type variable(s) "
wenzelm@22696
   511
          ^ commas_quote (map (Term.string_of_vname' o fst) dups)));
wenzelm@22696
   512
wenzelm@22696
   513
    fun get xi =
wenzelm@22696
   514
      (case (AList.lookup (op =) env xi, def_sort xi) of
wenzelm@22696
   515
        (NONE, NONE) => Type.defaultS tsig
wenzelm@22696
   516
      | (NONE, SOME S) => S
wenzelm@22696
   517
      | (SOME S, NONE) => S
wenzelm@22696
   518
      | (SOME S, SOME S') =>
wenzelm@22696
   519
          if Type.eq_sort tsig (S, S') then S'
wenzelm@22696
   520
          else error ("Sort constraint inconsistent with default for type variable " ^
wenzelm@22696
   521
            quote (Term.string_of_vname' xi)));
wenzelm@22696
   522
  in get end;
wenzelm@22696
   523
wenzelm@16337
   524
local
wenzelm@16337
   525
wenzelm@24273
   526
fun gen_read_typ mode (thy, def_sort) str =
wenzelm@16337
   527
  let
wenzelm@24273
   528
    val ctxt = ProofContext.init thy;
wenzelm@24273
   529
    val syn = syn_of thy;
wenzelm@22696
   530
    val T = intern_tycons thy
wenzelm@24273
   531
      (Syntax.standard_parse_typ ctxt syn (get_sort thy def_sort) (intern_sort thy) str);
wenzelm@24273
   532
  in certify_typ_mode mode thy T handle TYPE (msg, _, _) => error msg end
wenzelm@18678
   533
  handle ERROR msg => cat_error msg ("The error(s) above occurred in type " ^ quote str);
wenzelm@16337
   534
wenzelm@16337
   535
in
wenzelm@16337
   536
wenzelm@16442
   537
fun no_def_sort thy = (thy: theory, K NONE);
wenzelm@16337
   538
wenzelm@24273
   539
val read_def_typ     = gen_read_typ Type.mode_default;
wenzelm@24273
   540
val read_typ         = gen_read_typ Type.mode_default o no_def_sort;
wenzelm@24273
   541
val read_typ_syntax  = gen_read_typ Type.mode_syntax o no_def_sort;
wenzelm@24273
   542
val read_typ_abbrev  = gen_read_typ Type.mode_abbrev o no_def_sort;
wenzelm@16337
   543
wenzelm@16337
   544
end;
wenzelm@16337
   545
wenzelm@16337
   546
wenzelm@16368
   547
(* type and constant names *)
wenzelm@15703
   548
wenzelm@16442
   549
fun read_tyname thy raw_c =
wenzelm@19462
   550
  let val c = intern_type thy raw_c
wenzelm@19462
   551
  in Type (c, replicate (arity_number thy c) dummyT) end;
wenzelm@15703
   552
wenzelm@18967
   553
val read_const = Consts.read_const o consts_of;
wenzelm@15703
   554
wenzelm@15703
   555
wenzelm@251
   556
wenzelm@22696
   557
(* read_def_terms -- read terms and infer types *)    (*exception ERROR*)
wenzelm@251
   558
wenzelm@2979
   559
(*
wenzelm@16337
   560
  def_type: partial map from indexnames to types (constrains Frees and Vars)
wenzelm@16337
   561
  def_sort: partial map from indexnames to sorts (constrains TFrees and TVars)
wenzelm@20155
   562
  used: context of already used type variables
wenzelm@2979
   563
  freeze: if true then generated parameters are turned into TFrees, else TVars
wenzelm@2979
   564
*)
wenzelm@2979
   565
wenzelm@24233
   566
fun read_def_terms'
wenzelm@24233
   567
    pp is_logtype syn consts map_free ctxt (def_type, def_sort) used freeze raw_args =
wenzelm@251
   568
  let
wenzelm@22696
   569
    val thy = ProofContext.theory_of ctxt;
wenzelm@22696
   570
wenzelm@24370
   571
    fun infer args = TypeInfer.infer_types pp (tsig_of thy)
wenzelm@24273
   572
        Type.mode_default (try (Consts.the_constraint consts)) def_type used freeze args |>> map fst
wenzelm@24233
   573
      handle TYPE (msg, _, _) => error msg;
wenzelm@22696
   574
wenzelm@24370
   575
    fun check T t = Exn.Result (singleton (fst o infer) (t, T))
wenzelm@24370
   576
      handle ERROR msg => Exn.Exn (ERROR msg);
wenzelm@24233
   577
    val map_const = try (#1 o Term.dest_Const o Consts.read_const consts);
wenzelm@24370
   578
    fun read T = Syntax.standard_parse_term pp (check T) (get_sort thy def_sort) map_const map_free
wenzelm@24233
   579
        (intern_tycons thy) (intern_sort thy) ctxt is_logtype syn T;
wenzelm@4249
   580
  in
wenzelm@24233
   581
    raw_args
wenzelm@24233
   582
    |> map (fn (s, raw_T) =>
wenzelm@24233
   583
      let val T = certify_typ thy raw_T handle TYPE (msg, _, _) => error msg
wenzelm@24233
   584
      in (read (#1 (TypeInfer.paramify_dummies T 0)) s, T) end)
wenzelm@24233
   585
    |> infer
wenzelm@4249
   586
  end;
clasohm@623
   587
wenzelm@20230
   588
fun read_def_terms (thy, types, sorts) used freeze sTs =
wenzelm@20230
   589
  let
wenzelm@20230
   590
    val pp = pp thy;
wenzelm@20230
   591
    val consts = consts_of thy;
wenzelm@20230
   592
    val cert_consts = Consts.certify pp (tsig_of thy) consts;
wenzelm@22765
   593
    fun map_free x = if is_some (types (x, ~1)) then SOME x else NONE;
wenzelm@20230
   594
    val (ts, inst) =
wenzelm@22765
   595
      read_def_terms' pp (is_logtype thy) (syn_of thy) consts map_free
wenzelm@21772
   596
        (ProofContext.init thy) (types, sorts) (Name.make_context used) freeze sTs;
wenzelm@20230
   597
  in (map cert_consts ts, inst) end;
wenzelm@12068
   598
wenzelm@16442
   599
fun simple_read_term thy T s =
wenzelm@16442
   600
  let val ([t], _) = read_def_terms (thy, K NONE, K NONE) [] true [(s, T)]
wenzelm@20230
   601
  in t end handle ERROR msg => cat_error msg ("The error(s) above occurred for term " ^ s);
wenzelm@8802
   602
wenzelm@22709
   603
fun read_term thy = simple_read_term thy dummyT;
wenzelm@16494
   604
fun read_prop thy = simple_read_term thy propT;
wenzelm@16494
   605
wenzelm@8607
   606
wenzelm@2979
   607
wenzelm@16337
   608
(** signature extension functions **)  (*exception ERROR/TYPE*)
wenzelm@386
   609
wenzelm@386
   610
(* add default sort *)
wenzelm@386
   611
wenzelm@16442
   612
fun gen_add_defsort prep_sort s thy =
wenzelm@16442
   613
  thy |> map_tsig (Type.set_defsort (prep_sort thy s));
wenzelm@8898
   614
wenzelm@24273
   615
val add_defsort = gen_add_defsort Syntax.global_read_sort;
wenzelm@16337
   616
val add_defsort_i = gen_add_defsort certify_sort;
wenzelm@386
   617
wenzelm@386
   618
wenzelm@386
   619
(* add type constructors *)
wenzelm@386
   620
wenzelm@16442
   621
fun add_types types thy = thy |> map_sign (fn (naming, syn, tsig, consts) =>
wenzelm@14856
   622
  let
wenzelm@16597
   623
    val syn' = Syntax.extend_type_gram types syn;
wenzelm@16368
   624
    val decls = map (fn (a, n, mx) => (Syntax.type_name a mx, n)) types;
wenzelm@16442
   625
    val tsig' = Type.add_types naming decls tsig;
wenzelm@16442
   626
  in (naming, syn', tsig', consts) end);
wenzelm@16442
   627
wenzelm@16442
   628
fun add_typedecls decls thy =
wenzelm@16442
   629
  let
wenzelm@20664
   630
    fun type_of (a, vs: string list, mx) =
haftmann@18928
   631
      if not (has_duplicates (op =) vs) then (a, length vs, mx)
wenzelm@16442
   632
      else error ("Duplicate parameters in type declaration: " ^ quote a);
wenzelm@16442
   633
  in add_types (map type_of decls) thy end;
wenzelm@16337
   634
wenzelm@16337
   635
wenzelm@16337
   636
(* add nonterminals *)
wenzelm@16337
   637
wenzelm@16442
   638
fun add_nonterminals ns thy = thy |> map_sign (fn (naming, syn, tsig, consts) =>
wenzelm@16337
   639
  let
wenzelm@16597
   640
    val syn' = Syntax.extend_consts ns syn;
wenzelm@16442
   641
    val tsig' = Type.add_nonterminals naming ns tsig;
wenzelm@16442
   642
  in (naming, syn', tsig', consts) end);
wenzelm@386
   643
wenzelm@386
   644
wenzelm@386
   645
(* add type abbreviations *)
wenzelm@386
   646
wenzelm@16442
   647
fun gen_add_tyabbr prep_typ (a, vs, rhs, mx) thy =
wenzelm@16442
   648
  thy |> map_sign (fn (naming, syn, tsig, consts) =>
wenzelm@16337
   649
    let
wenzelm@16597
   650
      val syn' = Syntax.extend_type_gram [(a, length vs, mx)] syn;
wenzelm@16368
   651
      val a' = Syntax.type_name a mx;
wenzelm@24273
   652
      val abbr = (a', vs, certify_typ_mode Type.mode_syntax thy (prep_typ thy rhs))
wenzelm@18678
   653
        handle ERROR msg => cat_error msg ("in type abbreviation " ^ quote a');
wenzelm@16442
   654
      val tsig' = Type.add_abbrevs naming [abbr] tsig;
wenzelm@16442
   655
    in (naming, syn', tsig', consts) end);
wenzelm@386
   656
wenzelm@24273
   657
val add_tyabbrs = fold (gen_add_tyabbr Syntax.global_parse_typ);
wenzelm@24273
   658
val add_tyabbrs_i = fold (gen_add_tyabbr (K I));
wenzelm@14784
   659
wenzelm@14784
   660
wenzelm@16337
   661
(* modify syntax *)
wenzelm@16337
   662
wenzelm@20784
   663
fun gen_syntax change_gram prep_typ mode args thy =
wenzelm@16337
   664
  let
wenzelm@24273
   665
    fun prep (c, T, mx) = (c, certify_typ_mode Type.mode_syntax thy (prep_typ thy T), mx)
wenzelm@24273
   666
      handle ERROR msg =>
wenzelm@24273
   667
        cat_error msg ("in syntax declaration " ^ quote (Syntax.const_name c mx));
wenzelm@20784
   668
  in thy |> map_syn (change_gram (is_logtype thy) mode (map prep args)) end;
wenzelm@16337
   669
wenzelm@16337
   670
fun gen_add_syntax x = gen_syntax Syntax.extend_const_gram x;
wenzelm@386
   671
wenzelm@24273
   672
val add_modesyntax = gen_add_syntax Syntax.global_parse_typ;
wenzelm@24273
   673
val add_modesyntax_i = gen_add_syntax (K I);
wenzelm@16442
   674
val add_syntax = add_modesyntax Syntax.default_mode;
wenzelm@16442
   675
val add_syntax_i = add_modesyntax_i Syntax.default_mode;
wenzelm@24273
   676
val del_modesyntax = gen_syntax Syntax.remove_const_gram Syntax.global_parse_typ;
wenzelm@24273
   677
val del_modesyntax_i = gen_syntax Syntax.remove_const_gram (K I);
wenzelm@3805
   678
wenzelm@21661
   679
fun const_syntax thy (Const (c, _), mx) = try (Consts.syntax (consts_of thy)) (c, mx)
wenzelm@21206
   680
  | const_syntax _ _ = NONE;
wenzelm@21206
   681
wenzelm@21206
   682
fun add_notation mode args thy =
wenzelm@21206
   683
  thy |> add_modesyntax_i mode (map_filter (const_syntax thy) args);
wenzelm@19658
   684
wenzelm@16337
   685
wenzelm@16337
   686
(* add constants *)
wenzelm@386
   687
wenzelm@17995
   688
local
wenzelm@17995
   689
wenzelm@19679
   690
fun gen_add_consts prep_typ authentic raw_args thy =
wenzelm@386
   691
  let
wenzelm@19806
   692
    val prepT = Compress.typ thy o Logic.varifyT o Type.no_tvars o Term.no_dummyT o prep_typ thy;
wenzelm@19658
   693
    fun prep (raw_c, raw_T, raw_mx) =
wenzelm@19658
   694
      let
wenzelm@19658
   695
        val (c, mx) = Syntax.const_mixfix raw_c raw_mx;
wenzelm@19679
   696
        val c' = if authentic then Syntax.constN ^ full_name thy c else c;
wenzelm@19658
   697
        val T = (prepT raw_T handle TYPE (msg, _, _) => error msg) handle ERROR msg =>
wenzelm@19658
   698
          cat_error msg ("in declaration of constant " ^ quote c);
wenzelm@19679
   699
      in (((c, T), authentic), (c', T, mx)) end;
wenzelm@16337
   700
    val args = map prep raw_args;
wenzelm@16442
   701
  in
wenzelm@16442
   702
    thy
wenzelm@19658
   703
    |> map_consts (fold (Consts.declare (naming_of thy) o #1) args)
wenzelm@19658
   704
    |> add_syntax_i (map #2 args)
wenzelm@16442
   705
  end;
wenzelm@386
   706
wenzelm@17995
   707
in
wenzelm@17995
   708
wenzelm@22683
   709
val add_consts = gen_add_consts read_typ false;
wenzelm@19679
   710
val add_consts_i = gen_add_consts certify_typ false;
wenzelm@19679
   711
val add_consts_authentic = gen_add_consts certify_typ true;
wenzelm@386
   712
wenzelm@17995
   713
end;
wenzelm@17995
   714
wenzelm@386
   715
wenzelm@21696
   716
(* add abbreviations *)
wenzelm@18941
   717
wenzelm@21704
   718
fun add_abbrev mode (c, raw_t) thy =
wenzelm@18941
   719
  let
wenzelm@21741
   720
    val pp = pp thy;
wenzelm@21741
   721
    val prep_tm = Compress.term thy o no_frees pp o
wenzelm@21741
   722
      map_types Logic.legacy_varifyT (* FIXME tmp *) o
wenzelm@21741
   723
      Term.no_dummy_patterns o cert_term_abbrev thy;
wenzelm@19806
   724
    val t = (prep_tm raw_t handle TYPE (msg, _, _) => error msg | TERM (msg, _) => error msg)
wenzelm@19366
   725
      handle ERROR msg => cat_error msg ("in constant abbreviation " ^ quote c);
wenzelm@21696
   726
    val (res, consts') = consts_of thy
wenzelm@21741
   727
      |> Consts.abbreviate pp (tsig_of thy) (naming_of thy) mode (c, t);
wenzelm@21704
   728
  in (res, thy |> map_consts (K consts')) end;
wenzelm@18941
   729
wenzelm@18941
   730
wenzelm@16941
   731
(* add constraints *)
wenzelm@16941
   732
wenzelm@19099
   733
fun gen_add_constraint int_const prep_typ (raw_c, opt_T) thy =
wenzelm@16941
   734
  let
wenzelm@16941
   735
    val c = int_const thy raw_c;
wenzelm@19099
   736
    fun prepT raw_T =
wenzelm@19806
   737
      let val T = Logic.varifyT (Type.no_tvars (Term.no_dummyT (prep_typ thy raw_T)))
wenzelm@19099
   738
      in cert_term thy (Const (c, T)); T end
wenzelm@16941
   739
      handle TYPE (msg, _, _) => error msg;
wenzelm@19099
   740
  in thy |> map_consts (Consts.constrain (c, Option.map prepT opt_T)) end;
wenzelm@16941
   741
wenzelm@22683
   742
val add_const_constraint = gen_add_constraint intern_const read_typ;
wenzelm@16941
   743
val add_const_constraint_i = gen_add_constraint (K I) certify_typ;
wenzelm@16941
   744
wenzelm@16941
   745
wenzelm@19513
   746
(* primitive classes and arities *)
wenzelm@386
   747
wenzelm@19513
   748
fun primitive_class (bclass, classes) thy =
wenzelm@16442
   749
  thy |> map_sign (fn (naming, syn, tsig, consts) =>
wenzelm@16337
   750
    let
wenzelm@16597
   751
      val syn' = Syntax.extend_consts [bclass] syn;
wenzelm@19513
   752
      val tsig' = Type.add_class (pp thy) naming (bclass, classes) tsig;
wenzelm@16442
   753
    in (naming, syn', tsig', consts) end)
wenzelm@19391
   754
  |> add_consts_i [(Logic.const_of_class bclass, Term.a_itselfT --> propT, NoSyn)];
wenzelm@3791
   755
wenzelm@19513
   756
fun primitive_classrel arg thy = thy |> map_tsig (Type.add_classrel (pp thy) arg);
wenzelm@19513
   757
fun primitive_arity arg thy = thy |> map_tsig (Type.add_arity (pp thy) arg);
wenzelm@421
   758
wenzelm@421
   759
wenzelm@14645
   760
(* add translation functions *)
wenzelm@14645
   761
wenzelm@15746
   762
local
wenzelm@15746
   763
wenzelm@15746
   764
fun mk trs = map Syntax.mk_trfun trs;
wenzelm@15746
   765
wenzelm@16597
   766
fun gen_add_trfuns ext non_typed (atrs, trs, tr's, atr's) =
wenzelm@16597
   767
  map_syn (ext (mk atrs, mk trs, mk (map (apsnd non_typed) tr's), mk atr's));
wenzelm@14645
   768
wenzelm@16597
   769
fun gen_add_trfunsT ext tr's = map_syn (ext ([], [], mk tr's, []));
wenzelm@14645
   770
wenzelm@15746
   771
in
wenzelm@15746
   772
wenzelm@16597
   773
val add_trfuns = gen_add_trfuns Syntax.extend_trfuns Syntax.non_typed_tr';
wenzelm@16597
   774
val add_trfunsT = gen_add_trfunsT Syntax.extend_trfuns;
wenzelm@16597
   775
val add_advanced_trfuns = gen_add_trfuns Syntax.extend_advanced_trfuns Syntax.non_typed_tr'';
wenzelm@16597
   776
val add_advanced_trfunsT = gen_add_trfunsT Syntax.extend_advanced_trfuns;
wenzelm@14645
   777
wenzelm@15746
   778
end;
wenzelm@15746
   779
wenzelm@16597
   780
val add_tokentrfuns = map_syn o Syntax.extend_tokentrfuns;
wenzelm@16442
   781
fun add_mode_tokentrfuns m = add_tokentrfuns o map (fn (s, f) => (m, s, f));
wenzelm@14645
   782
wenzelm@14645
   783
wenzelm@19258
   784
(* translation rules *)
wenzelm@4619
   785
wenzelm@19258
   786
fun gen_trrules f args thy = thy |> map_syn (fn syn =>
wenzelm@16442
   787
  let val rules = map (Syntax.map_trrule (apfst (intern_type thy))) args
wenzelm@21772
   788
  in f (ProofContext.init thy) (is_logtype thy) syn rules syn end);
wenzelm@8725
   789
wenzelm@19258
   790
val add_trrules = gen_trrules Syntax.extend_trrules;
wenzelm@19258
   791
val del_trrules = gen_trrules Syntax.remove_trrules;
wenzelm@16597
   792
val add_trrules_i = map_syn o Syntax.extend_trrules_i;
wenzelm@19258
   793
val del_trrules_i = map_syn o Syntax.remove_trrules_i;
wenzelm@386
   794
wenzelm@386
   795
wenzelm@16337
   796
(* modify naming *)
wenzelm@6546
   797
wenzelm@19054
   798
val add_path        = map_naming o NameSpace.add_path;
wenzelm@19054
   799
val no_base_names   = map_naming NameSpace.no_base_names;
wenzelm@19054
   800
val qualified_names = map_naming NameSpace.qualified_names;
wenzelm@19054
   801
val sticky_prefix   = map_naming o NameSpace.sticky_prefix;
wenzelm@19054
   802
val set_policy      = map_naming o NameSpace.set_policy;
wenzelm@19054
   803
val restore_naming  = map_naming o K o naming_of;
wenzelm@6546
   804
wenzelm@19013
   805
val parent_path   = add_path "..";
wenzelm@19013
   806
val root_path     = add_path "/";
wenzelm@19013
   807
val absolute_path = add_path "//";
wenzelm@16442
   808
wenzelm@16442
   809
fun local_path thy = thy |> root_path |> add_path (Context.theory_name thy);
wenzelm@16442
   810
wenzelm@6546
   811
wenzelm@16337
   812
(* hide names *)
wenzelm@386
   813
wenzelm@16442
   814
fun hide_classes b xs thy = thy |> map_tsig (Type.hide_classes b (map (intern_class thy) xs));
wenzelm@16368
   815
val hide_classes_i = map_tsig oo Type.hide_classes;
wenzelm@16442
   816
fun hide_types b xs thy = thy |> map_tsig (Type.hide_types b (map (intern_type thy) xs));
wenzelm@16368
   817
val hide_types_i = map_tsig oo Type.hide_types;
wenzelm@18062
   818
fun hide_consts b xs thy = thy |> map_consts (fold (Consts.hide b o intern_const thy) xs);
wenzelm@18062
   819
val hide_consts_i = map_consts oo (fold o Consts.hide);
wenzelm@386
   820
wenzelm@17343
   821
local
wenzelm@17343
   822
wenzelm@17343
   823
val kinds =
wenzelm@17343
   824
 [("class", (intern_class, can o certify_class, hide_classes_i)),
wenzelm@17343
   825
  ("type", (intern_type, declared_tyname, hide_types_i)),
wenzelm@17343
   826
  ("const", (intern_const, declared_const, hide_consts_i))];
wenzelm@17343
   827
wenzelm@17343
   828
fun gen_hide int b (kind, xnames) thy =
wenzelm@17343
   829
  (case AList.lookup (op =) kinds kind of
wenzelm@17343
   830
    SOME (intern, check, hide) =>
wenzelm@17343
   831
      let
wenzelm@17343
   832
        val names = if int then map (intern thy) xnames else xnames;
wenzelm@17343
   833
        val bads = filter_out (check thy) names;
wenzelm@17343
   834
      in
wenzelm@17343
   835
        if null bads then hide b names thy
wenzelm@17343
   836
        else error ("Attempt to hide undeclared item(s): " ^ commas_quote bads)
wenzelm@17343
   837
      end
wenzelm@17343
   838
  | NONE => error ("Bad name space specification: " ^ quote kind));
wenzelm@17343
   839
wenzelm@17343
   840
in
wenzelm@17343
   841
wenzelm@17343
   842
val hide_names = gen_hide true;
wenzelm@17343
   843
val hide_names_i = gen_hide false;
wenzelm@17343
   844
clasohm@0
   845
end;
wenzelm@17343
   846
wenzelm@17343
   847
end;