src/Pure/sign.ML
author wenzelm
Fri, 24 Oct 1997 17:17:10 +0200
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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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The abstract type "sg" of signatures.
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*)
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(*base names*)
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type bstring = string;
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type bclass = class;
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(*external forms -- partially qualified names*)
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type xstring = string;
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type xclass = class;
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type xsort = sort;
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type xtyp = typ;
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type xterm = term;
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signature SIGN =
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sig
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  type sg
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  type sg_ref
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  val rep_sg: sg ->
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   {self: sg_ref,
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    tsig: Type.type_sig,
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    const_tab: typ Symtab.table,
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    syn: Syntax.syntax,
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    path: string list,
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    spaces: (string * NameSpace.T) list,
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    data: Data.T}
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  val name_of: sg -> string
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  val stamp_names_of: sg -> string list
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  val tsig_of: sg -> Type.type_sig
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  val deref: sg_ref -> sg
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  val self_ref: sg -> sg_ref
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  val subsig: sg * sg -> bool
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  val eq_sg: sg * sg -> bool
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  val same_sg: sg * sg -> bool
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  val is_draft: sg -> bool
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  val const_type: sg -> string -> typ option
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  val classes: sg -> class list
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  val subsort: sg -> sort * sort -> bool
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  val nodup_Vars: term -> unit
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  val norm_sort: sg -> sort -> sort
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  val nonempty_sort: sg -> sort list -> sort -> bool
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  val long_names: bool ref
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  val classK: string
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  val typeK: string
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  val constK: string
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  val full_name: sg -> bstring -> string
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  val base_name: string -> bstring
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  val intern: sg -> string -> xstring -> string
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  val extern: sg -> string -> string -> xstring
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  val cond_extern: sg -> string -> string -> xstring
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  val intern_class: sg -> xclass -> class
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  val intern_tycon: sg -> xstring -> string
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  val intern_const: sg -> xstring -> string
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  val intern_sort: sg -> xsort -> sort
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  val intern_typ: sg -> xtyp -> typ
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  val intern_term: sg -> xterm -> term
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  val intern_tycons: sg -> xtyp -> typ
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  val print_sg: sg -> unit
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  val pretty_sg: sg -> Pretty.T
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  val pprint_sg: sg -> pprint_args -> unit
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  val pretty_term: sg -> term -> Pretty.T
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  val pretty_typ: sg -> typ -> Pretty.T
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  val pretty_sort: sg -> sort -> Pretty.T
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  val string_of_term: sg -> term -> string
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  val string_of_typ: sg -> typ -> string
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  val string_of_sort: sg -> sort -> string
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  val str_of_sort: sg -> sort -> string
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  val str_of_classrel: sg -> class * class -> string
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  val str_of_arity: sg -> string * sort list * sort -> string
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  val pprint_term: sg -> term -> pprint_args -> unit
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  val pprint_typ: sg -> typ -> pprint_args -> unit
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  val certify_typ: sg -> typ -> typ
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  val certify_term: sg -> term -> term * typ * int
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  val read_typ: sg * (indexname -> sort option) -> string -> typ
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  val infer_types: sg -> (indexname -> typ option) ->
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    (indexname -> sort option) -> string list -> bool
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    -> xterm list * typ -> int * term * (indexname * typ) list
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  val add_classes: (bclass * xclass list) list -> sg -> sg
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  val add_classes_i: (bclass * class list) list -> sg -> sg
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  val add_classrel: (xclass * xclass) list -> sg -> sg
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  val add_classrel_i: (class * class) list -> sg -> sg
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  val add_defsort: xsort -> sg -> sg
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  val add_defsort_i: sort -> sg -> sg
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  val add_types: (bstring * int * mixfix) list -> sg -> sg
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  val add_tyabbrs: (bstring * string list * string * mixfix) list -> sg -> sg
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  val add_tyabbrs_i: (bstring * string list * typ * mixfix) list -> sg -> sg
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  val add_arities: (xstring * xsort list * xsort) list -> sg -> sg
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  val add_arities_i: (string * sort list * sort) list -> sg -> sg
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  val add_consts: (bstring * string * mixfix) list -> sg -> sg
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  val add_consts_i: (bstring * typ * mixfix) list -> sg -> sg
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  val add_syntax: (bstring * string * mixfix) list -> sg -> sg
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  val add_syntax_i: (bstring * typ * mixfix) list -> sg -> sg
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  val add_modesyntax: (string * bool) * (bstring * string * mixfix) list -> sg -> sg
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  val add_modesyntax_i: (string * bool) * (bstring * typ * mixfix) list -> sg -> sg
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  val add_trfuns:
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    (bstring * (ast list -> ast)) list *
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    (bstring * (term list -> term)) list *
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    (bstring * (term list -> term)) list *
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    (bstring * (ast list -> ast)) list -> sg -> sg
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  val add_trfunsT:
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    (bstring * (typ -> term list -> term)) list -> sg -> sg
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  val add_tokentrfuns:
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    (string * string * (string -> string * int)) list -> sg -> sg
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  val add_trrules: (string * string) Syntax.trrule list -> sg -> sg
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  val add_trrules_i: ast Syntax.trrule list -> sg -> sg
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  val add_path: string -> sg -> sg
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  val add_space: string * string list -> sg -> sg
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  val add_name: string -> sg -> sg
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  val init_data: string * (exn * (exn -> exn) * (exn * exn -> exn) * (exn -> unit))
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    -> sg -> sg
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  val get_data: sg -> string -> exn
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  val put_data: string * exn -> sg -> sg
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  val print_data: sg -> string -> unit
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  val merge_refs: sg_ref * sg_ref -> sg_ref
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  val prep_ext: sg -> sg
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  val merge: sg * sg -> sg
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  val pre_pure: sg
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  val const_of_class: class -> string
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  val class_of_const: string -> class
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end;
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structure Sign : SIGN =
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struct
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(** datatype sg **)
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datatype sg =
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  Sg of
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   {id: string ref,                             (*id*)
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    stamps: string ref list} *                  (*unique theory indentifier*)
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   {self: sg_ref,                               (*mutable self reference*)
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    tsig: Type.type_sig,                        (*order-sorted signature of types*)
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    const_tab: typ Symtab.table,                (*type schemes of constants*)
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    syn: Syntax.syntax,                         (*syntax for parsing and printing*)
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    path: string list,                          (*current name space entry prefix*)
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    spaces: (string * NameSpace.T) list,        (*name spaces for consts, types etc.*)
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    data: Data.T}                               (*additional data*)
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and sg_ref =
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  SgRef of sg ref option;
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(*make signature*)
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fun make_sign (id, self, tsig, const_tab, syn, path, spaces, data, stamps) =
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  Sg ({id = id, stamps = stamps}, {self = self, tsig = tsig, const_tab = const_tab,
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    syn = syn, path = path, spaces = spaces, data = data});
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(* basic components *)
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fun rep_sg (Sg (_, args)) = args;
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(*show stamps*)
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fun stamp_names_of (Sg ({stamps, ...}, _)) = rev (map ! stamps);
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fun pretty_sg sg = Pretty.str_list "{" "}" (stamp_names_of sg);
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val str_of_sg = Pretty.str_of o pretty_sg;
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val pprint_sg = Pretty.pprint o pretty_sg;
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val tsig_of = #tsig o rep_sg;
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val get_data = Data.get o #data o rep_sg;
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val print_data = Data.print o #data o rep_sg;
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fun const_type (Sg (_, {const_tab, ...})) c = Symtab.lookup (const_tab, c);
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val classes = #classes o Type.rep_tsig o tsig_of;
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val subsort = Type.subsort o tsig_of;
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val norm_sort = Type.norm_sort o tsig_of;
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val nonempty_sort = Type.nonempty_sort o tsig_of;
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(* id and self *)
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fun check_stale (sg as Sg ({id, ...},
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        {self = SgRef (Some (ref (Sg ({id = id', ...}, _)))), ...})) =
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      if id = id' then sg
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      else raise TERM ("Stale signature: " ^ str_of_sg sg, [])
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  | check_stale _ = sys_error "Sign.check_stale";
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fun self_ref (sg as Sg (_, {self, ...})) = (check_stale sg; self);
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fun deref (SgRef (Some (ref sg))) = sg
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  | deref (SgRef None) = sys_error "Sign.deref";
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fun name_of (sg as Sg ({id = ref name, ...}, _)) =
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  if name = "" orelse name = "#" then
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    raise TERM ("Nameless signature " ^ str_of_sg sg, [])
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  else name;
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(* inclusion and equality *)
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local
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  (*avoiding polymorphic equality: factor 10 speedup*)
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  fun mem_stamp (_:string ref, []) = false
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    | mem_stamp (x, y :: ys) = x = y orelse mem_stamp (x, ys);
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  fun subset_stamp ([], ys) = true
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    | subset_stamp (x :: xs, ys) =
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        mem_stamp (x, ys) andalso subset_stamp (xs, ys);
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  (*fast partial test*)
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  fun fast_sub ([]: string ref list, _) = true
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    | fast_sub (_, []) = false
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    | fast_sub (x :: xs, y :: ys) =
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        if x = y then fast_sub (xs, ys)
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        else fast_sub (x :: xs, ys);
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in
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  fun eq_sg (sg1 as Sg ({id = id1, ...}, _), sg2 as Sg ({id = id2, ...}, _)) =
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    (check_stale sg1; check_stale sg2; id1 = id2);
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  fun subsig (sg1 as Sg ({stamps = s1, ...}, _), sg2 as Sg ({stamps = s2, ...}, _)) =
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    eq_sg (sg1, sg2) orelse subset_stamp (s1, s2);
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  fun fast_subsig (sg1 as Sg ({stamps = s1, ...}, _), sg2 as Sg ({stamps = s2, ...}, _)) =
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    eq_sg (sg1, sg2) orelse fast_sub (s1, s2);
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end;
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(*test if same theory names are contained in signatures' stamps,
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  i.e. if signatures belong to same theory but not necessarily to the
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  same version of it*)
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fun same_sg (sg1 as Sg ({stamps = s1, ...}, _), sg2 as Sg ({stamps = s2, ...}, _)) =
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  eq_sg (sg1, sg2) orelse eq_set_string (pairself (map (op !)) (s1, s2));
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(*test for drafts*)
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fun is_draft (Sg ({stamps = ref "#" :: _, ...}, _)) = true
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  | is_draft _ = false;
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(* build signature *)
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fun ext_stamps stamps (id as ref name) =
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  let val stmps = (case stamps of ref "#" :: ss => ss | ss => ss) in
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    if exists (equal name o !) stmps then
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      error ("Theory already contains a " ^ quote name ^ " component")
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    else id :: stmps
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  end;
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fun create_sign self stamps name (syn, tsig, ctab, (path, spaces), data) =
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  let
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    val id = ref name;
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    val sign =
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      make_sign (id, self, tsig, ctab, syn, path, spaces, data, ext_stamps stamps id);
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  in
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    (case self of
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      SgRef (Some r) => r := sign
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    | _ => sys_error "Sign.create_sign");
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    sign
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  end;
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fun extend_sign keep extfun name decls
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    (sg as Sg ({id = _, stamps}, {self, tsig, const_tab, syn, path, spaces, data})) =
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  let
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    val _ = check_stale sg;
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    val (self', data') =
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      if is_draft sg andalso keep then (self, data)
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      else (SgRef (Some (ref sg)), Data.prep_ext data);
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  in
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    create_sign self' stamps name
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      (extfun (syn, tsig, const_tab, (path, spaces), data') decls)
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  end;
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(** name spaces **)
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(*prune names on output by default*)
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val long_names = ref false;
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(* kinds *)
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val classK = "class";
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val typeK = "type";
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val constK = "const";
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(* add and retrieve names *)
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fun space_of spaces kind =
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  if_none (assoc (spaces, kind)) NameSpace.empty;
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(*input and output of qualified names*)
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fun intrn spaces kind = NameSpace.intern (space_of spaces kind);
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fun extrn spaces kind = NameSpace.extern (space_of spaces kind);
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(*add names*)
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fun add_names spaces kind names =
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  let val space' = NameSpace.extend (names, space_of spaces kind) in
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    overwrite (spaces, (kind, space'))
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  end;
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(*make full names*)
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fun full path name =
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  if NameSpace.qualified name then
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    error ("Attempt to declare qualified name " ^ quote name)
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  else NameSpace.pack (path @ [name]);
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(*base name*)
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val base_name = NameSpace.base;
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(* intern / extern names *)
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local
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  fun add_typ_classes (Type (_, Ts), cs) = foldr add_typ_classes (Ts, cs)
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    | add_typ_classes (TFree (_, S), cs) = S union cs
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    | add_typ_classes (TVar (_, S), cs) = S union cs;
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  fun add_typ_tycons (Type (c, Ts), cs) = foldr add_typ_tycons (Ts, c ins cs)
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    | add_typ_tycons (_, cs) = cs;
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  val add_term_classes = it_term_types add_typ_classes;
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  val add_term_tycons = it_term_types add_typ_tycons;
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  fun add_term_consts (Const (c, _), cs) = c ins cs
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    | add_term_consts (t $ u, cs) = add_term_consts (t, add_term_consts (u, cs))
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    | add_term_consts (Abs (_, _, t), cs) = add_term_consts (t, cs)
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    | add_term_consts (_, cs) = cs;
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  (*map classes, tycons*)
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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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    | map_typ f _ (TVar (xi, S)) = TVar (xi, map f S);
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   330
  (*map classes, tycons, consts*)
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   331
  fun map_term f g h (Const (c, T)) = Const (h c, map_typ f g T)
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    | map_term f g _ (Free (x, T)) = Free (x, map_typ f g T)
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    | map_term f g _ (Var (xi, T)) = Var (xi, map_typ f g T)
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    | map_term _ _ _ (t as Bound _) = t
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    | map_term f g h (Abs (x, T, t)) = Abs (x, map_typ f g T, map_term f g h t)
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   336
    | map_term f g h (t $ u) = map_term f g h t $ map_term f g h u;
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   337
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  (*prepare mapping of names*)
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   339
  fun mapping f add_xs t =
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   340
    let
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      fun f' x = let val y = f x in if x = y then None else Some (x, y) end;
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      val table = mapfilter f' (add_xs (t, []));
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   343
      fun lookup x = if_none (assoc (table, x)) x;
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    in lookup end;
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   346
  (*intern / extern typ*)
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   347
  fun trn_typ trn T =
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   348
    T |> map_typ
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   349
      (mapping (trn classK) add_typ_classes T)
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   350
      (mapping (trn typeK) add_typ_tycons T);
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   351
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   352
  (*intern / extern term*)
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   353
  fun trn_term trn t =
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   354
    t |> map_term
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   355
      (mapping (trn classK) add_term_classes t)
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   356
      (mapping (trn typeK) add_term_tycons t)
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   357
      (mapping (trn constK) add_term_consts t);
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   359
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  val spaces_of = #spaces o rep_sg;
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in
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   363
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   364
  fun intrn_class spaces = intrn spaces classK;
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   365
  fun extrn_class spaces = extrn spaces classK;
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  val intrn_sort = map o intrn_class;
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   368
  val intrn_typ = trn_typ o intrn;
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   369
  val intrn_term = trn_term o intrn;
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  val extrn_sort = map o extrn_class;
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   372
  val extrn_typ = trn_typ o extrn;
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   373
  val extrn_term = trn_term o extrn;
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   374
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   375
  fun intrn_tycons spaces T =
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   376
    map_typ I (mapping (intrn spaces typeK) add_typ_tycons T) T;
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   377
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   378
  val intern = intrn o spaces_of;
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   379
  val extern = extrn o spaces_of;
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   380
  fun cond_extern sg kind = if ! long_names then I else extern sg kind;
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   381
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   382
  val intern_class = intrn_class o spaces_of;
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   383
  val intern_sort = intrn_sort o spaces_of;
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   384
  val intern_typ = intrn_typ o spaces_of;
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   385
  val intern_term = intrn_term o spaces_of;
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   386
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   387
  fun intern_tycon sg = intrn (spaces_of sg) typeK;
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   388
  fun intern_const sg = intrn (spaces_of sg) constK;
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   389
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   390
  val intern_tycons = intrn_tycons o spaces_of;
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   391
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   392
  val full_name = full o #path o rep_sg;
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   393
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   394
end;
620
f787eb061618 exported pretty_sort;
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   395
402
16a8fe4f2250 added subsort, norm_sort, classes;
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   396
0
a5a9c433f639 Initial revision
clasohm
parents:
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   397
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   398
(** pretty printing of terms and types **)
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   399
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   400
fun pretty_term (sg as Sg (_, {syn, spaces, ...})) t =
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   401
  Syntax.pretty_term syn
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   402
    ("CPure" mem_string (stamp_names_of sg))
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   403
    (if ! long_names then t else extrn_term spaces t);
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   404
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   405
fun pretty_typ (Sg (_, {syn, spaces, ...})) T =
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   406
  Syntax.pretty_typ syn
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diff changeset
   407
    (if ! long_names then T else extrn_typ spaces T);
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   408
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   409
fun pretty_sort (Sg (_, {syn, spaces, ...})) S =
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   410
  Syntax.pretty_sort syn
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diff changeset
   411
    (if ! long_names then S else extrn_sort spaces S);
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   412
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   413
fun pretty_classrel sg (c1, c2) = Pretty.block
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   414
  [pretty_sort sg [c1], Pretty.str " <", Pretty.brk 1, pretty_sort sg [c2]];
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   415
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   416
fun pretty_arity sg (t, Ss, S) =
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   417
  let
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   418
    val t' = cond_extern sg typeK t;
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   419
    val dom =
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   420
      if null Ss then []
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   421
      else [Pretty.list "(" ")" (map (pretty_sort sg) Ss), Pretty.brk 1];
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   422
  in
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   423
    Pretty.block
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   424
      ([Pretty.str (t' ^ " ::"), Pretty.brk 1] @ dom @ [pretty_sort sg S])
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   425
  end;
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   426
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   427
fun string_of_term sg t = Pretty.string_of (pretty_term sg t);
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   428
fun string_of_typ sg T = Pretty.string_of (pretty_typ sg T);
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   429
fun string_of_sort sg S = Pretty.string_of (pretty_sort sg S);
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diff changeset
   430
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   431
fun str_of_sort sg S = Pretty.str_of (pretty_sort sg S);
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   432
fun str_of_classrel sg c1_c2 = Pretty.str_of (pretty_classrel sg c1_c2);
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   433
fun str_of_arity sg ar = Pretty.str_of (pretty_arity sg ar);
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diff changeset
   434
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wenzelm
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diff changeset
   435
fun pprint_term sg = Pretty.pprint o Pretty.quote o (pretty_term sg);
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wenzelm
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diff changeset
   436
fun pprint_typ sg = Pretty.pprint o Pretty.quote o (pretty_typ sg);
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   437
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   438
988ce6fbf85b fixed types of add_XXX;
wenzelm
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diff changeset
   439
251
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parents: 229
diff changeset
   440
(** print signature **)
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parents: 229
diff changeset
   441
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parents: 229
diff changeset
   442
fun print_sg sg =
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   443
  let
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   444
    fun prt_cls c = pretty_sort sg [c];
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diff changeset
   445
    fun prt_sort S = pretty_sort sg S;
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   446
    fun prt_arity t (c, Ss) = pretty_arity sg (t, Ss, [c]);
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   447
    fun prt_typ ty = Pretty.quote (pretty_typ sg ty);
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   448
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   449
    val ext_class = cond_extern sg classK;
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   450
    val ext_tycon = cond_extern sg typeK;
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   451
    val ext_const = cond_extern sg constK;
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parents: 3552
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   452
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wenzelm
parents: 3552
diff changeset
   453
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   454
    fun pretty_space (kind, space) = Pretty.block (Pretty.breaks
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wenzelm
parents: 3552
diff changeset
   455
      (map Pretty.str (kind ^ ":" :: map quote (NameSpace.dest space))));
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   456
3791
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wenzelm
parents: 3552
diff changeset
   457
    fun pretty_classes cs = Pretty.block
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wenzelm
parents: 3552
diff changeset
   458
      (Pretty.breaks (Pretty.str "classes:" :: map prt_cls cs));
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   459
3791
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wenzelm
parents: 3552
diff changeset
   460
    fun pretty_classrel (c, cs) = Pretty.block
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wenzelm
parents: 3552
diff changeset
   461
      (prt_cls c :: Pretty.str " <" :: Pretty.brk 1 ::
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   462
        Pretty.commas (map prt_cls cs));
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wenzelm
parents: 3552
diff changeset
   463
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   464
    fun pretty_default S = Pretty.block
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   465
      [Pretty.str "default:", Pretty.brk 1, pretty_sort sg S];
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   466
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   467
    fun pretty_ty (t, n) = Pretty.block
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   468
      [Pretty.str (ext_tycon t), Pretty.str (" " ^ string_of_int n)];
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   469
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   470
    fun pretty_abbr (t, (vs, rhs)) = Pretty.block
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   471
      [prt_typ (Type (t, map (fn v => TVar ((v, 0), [])) vs)),
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   472
        Pretty.str " =", Pretty.brk 1, prt_typ rhs];
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   473
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   474
    fun pretty_arities (t, ars) = map (prt_arity t) ars;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   475
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   476
    fun pretty_const (c, ty) = Pretty.block
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   477
      [Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ ty];
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   478
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   479
    val Sg (_, {self = _, tsig, const_tab, syn = _, path, spaces, data}) = sg;
3810
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   480
    val spaces' = sort (fn ((k1, _), (k2, _)) => k1 < k2) spaces;
2963
f3b5af1c5a67 renamed subclass to classrel;
wenzelm
parents: 2693
diff changeset
   481
    val {classes, classrel, default, tycons, abbrs, arities} =
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   482
      Type.rep_tsig tsig;
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   483
    val consts = sort_wrt fst (map (apfst ext_const) (Symtab.dest const_tab));
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   484
  in
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   485
    Pretty.writeln (Pretty.strs ("stamps:" :: stamp_names_of sg));
3877
83c5310aaaab make_draft replaced by prep_ext;
wenzelm
parents: 3867
diff changeset
   486
    Pretty.writeln (Pretty.strs ("data:" :: Data.kinds data));
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   487
    Pretty.writeln (Pretty.strs ["name entry path:", NameSpace.pack path]);
3810
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   488
    Pretty.writeln (Pretty.big_list "name spaces:" (map pretty_space spaces'));
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   489
    Pretty.writeln (pretty_classes classes);
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   490
    Pretty.writeln (Pretty.big_list "class relation:" (map pretty_classrel classrel));
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   491
    Pretty.writeln (pretty_default default);
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   492
    Pretty.writeln (Pretty.big_list "type constructors:" (map pretty_ty tycons));
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   493
    Pretty.writeln (Pretty.big_list "type abbreviations:" (map pretty_abbr abbrs));
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   494
    Pretty.writeln (Pretty.big_list "type arities:" (flat (map pretty_arities arities)));
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   495
    Pretty.writeln (Pretty.big_list "consts:" (map pretty_const consts))
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   496
  end;
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   497
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   498
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   499
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   500
(** read types **)  (*exception ERROR*)
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   501
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   502
fun err_in_type s =
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   503
  error ("The error(s) above occurred in type " ^ quote s);
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   504
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   505
fun read_raw_typ syn tsig spaces def_sort str =
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   506
  intrn_tycons spaces
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   507
    (Syntax.read_typ syn (Type.get_sort tsig def_sort (intrn_sort spaces)) str
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   508
      handle ERROR => err_in_type str);
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   509
  
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   510
(*read and certify typ wrt a signature*)
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   511
fun read_typ (sg as Sg (_, {tsig, syn, spaces, ...}), def_sort) str =
3969
9c742951a923 certify: check_stale;
wenzelm
parents: 3967
diff changeset
   512
  (check_stale sg;
9c742951a923 certify: check_stale;
wenzelm
parents: 3967
diff changeset
   513
    Type.cert_typ tsig (read_raw_typ syn tsig spaces def_sort str)
9c742951a923 certify: check_stale;
wenzelm
parents: 3967
diff changeset
   514
      handle TYPE (msg, _, _) => (error_msg msg; err_in_type str));
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   515
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   516
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   517
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   518
(** certify types and terms **)   (*exception TYPE*)
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   519
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   520
val certify_typ = Type.cert_typ o tsig_of;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   521
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   522
(*check for duplicate TVars with distinct sorts*)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   523
fun nodup_TVars (tvars, T) =
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   524
  (case T of
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   525
    Type (_, Ts) => nodup_TVars_list (tvars, Ts)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   526
  | TFree _ => tvars
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   527
  | TVar (v as (a, S)) =>
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   528
      (case assoc_string_int (tvars, a) of
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   529
        Some S' =>
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   530
          if S = S' then tvars
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   531
          else raise TYPE ("Type variable " ^ Syntax.string_of_vname a ^
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   532
            " has two distinct sorts", [TVar (a, S'), T], [])
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   533
      | None => v :: tvars))
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   534
(*equivalent to foldl nodup_TVars_list, but 3X faster under Poly/ML*)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   535
and nodup_TVars_list (tvars, []) = tvars
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   536
  | nodup_TVars_list (tvars, T :: Ts) =
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   537
      nodup_TVars_list (nodup_TVars (tvars, T), Ts);
1494
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   538
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   539
(*check for duplicate Vars with distinct types*)
1494
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   540
fun nodup_Vars tm =
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   541
  let
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   542
    fun nodups vars tvars tm =
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   543
      (case tm of
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   544
        Const (c, T) => (vars, nodup_TVars (tvars, T))
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   545
      | Free (a, T) => (vars, nodup_TVars (tvars, T))
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   546
      | Var (v as (ixn, T)) =>
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   547
          (case assoc_string_int (vars, ixn) of
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   548
            Some T' =>
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   549
              if T = T' then (vars, nodup_TVars (tvars, T))
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   550
              else raise TYPE ("Variable " ^ Syntax.string_of_vname ixn ^
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   551
                " has two distinct types", [T', T], [])
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   552
          | None => (v :: vars, tvars))
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   553
      | Bound _ => (vars, tvars)
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   554
      | Abs (_, T, t) => nodups vars (nodup_TVars (tvars, T)) t
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   555
      | s $ t =>
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   556
          let val (vars',tvars') = nodups vars tvars s in
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   557
            nodups vars' tvars' t
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   558
          end);
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   559
  in nodups [] [] tm; () end;
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   560
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   561
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   562
fun mapfilt_atoms f (Abs (_, _, t)) = mapfilt_atoms f t
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   563
  | mapfilt_atoms f (t $ u) = mapfilt_atoms f t @ mapfilt_atoms f u
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   564
  | mapfilt_atoms f a = (case f a of Some y => [y] | None => []);
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   565
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   566
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   567
fun certify_term sg tm =
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   568
  let
3969
9c742951a923 certify: check_stale;
wenzelm
parents: 3967
diff changeset
   569
    val _ = check_stale sg;
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   570
    val tsig = tsig_of sg;
3969
9c742951a923 certify: check_stale;
wenzelm
parents: 3967
diff changeset
   571
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   572
    fun show_const a T = quote a ^ " :: " ^ quote (string_of_typ sg T);
169
1b2765146aab extend: cleaned up, adapted for new Syntax.extend;
wenzelm
parents: 155
diff changeset
   573
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   574
    fun atom_err (Const (a, T)) =
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   575
        (case const_type sg a of
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   576
          None => Some ("Undeclared constant " ^ show_const a T)
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   577
        | Some U =>
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   578
            if Type.typ_instance (tsig, T, U) then None
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   579
            else Some ("Illegal type for constant " ^ show_const a T))
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   580
      | atom_err (Var ((x, i), _)) =
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   581
          if i < 0 then Some ("Negative index for Var " ^ quote x) else None
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   582
      | atom_err _ = None;
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   583
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   584
    val norm_tm =
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   585
      (case it_term_types (Type.typ_errors tsig) (tm, []) of
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   586
        [] => map_term_types (Type.norm_typ tsig) tm
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   587
      | errs => raise TYPE (cat_lines errs, [], [tm]));
1494
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   588
    val _ = nodup_Vars norm_tm;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   589
  in
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   590
    (case mapfilt_atoms atom_err norm_tm of
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   591
      [] => (norm_tm, type_of norm_tm, maxidx_of_term norm_tm)
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   592
    | errs => raise TYPE (cat_lines errs, [], [norm_tm]))
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   593
  end;
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   594
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   595
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   596
583
550292083e66 minor internal changes;
wenzelm
parents: 573
diff changeset
   597
(** infer_types **)         (*exception ERROR*)
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   598
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   599
(*
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   600
  ts: list of alternative parses (hopefully only one is type-correct)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   601
  T: expected type
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   602
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   603
  def_type: partial map from indexnames to types (constrains Frees, Vars)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   604
  def_sort: partial map from indexnames to sorts (constrains TFrees, TVars)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   605
  used: list of already used type variables
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   606
  freeze: if true then generated parameters are turned into TFrees, else TVars
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   607
*)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   608
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   609
fun infer_types sg def_type def_sort used freeze (ts, T) =
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   610
  let
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   611
    val tsig = tsig_of sg;
3810
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   612
    val prt =
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   613
      setmp Syntax.show_brackets true
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   614
        (setmp long_names true (pretty_term sg));
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   615
    val prT = setmp long_names true (pretty_typ sg);
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   616
    val infer = Type.infer_types prt prT tsig (const_type sg) def_type def_sort
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   617
      (intern_const sg) (intern_tycons sg) (intern_sort sg) used freeze;
169
1b2765146aab extend: cleaned up, adapted for new Syntax.extend;
wenzelm
parents: 155
diff changeset
   618
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   619
    val T' = certify_typ sg T handle TYPE (msg, _, _) => error msg;
623
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   620
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   621
    fun warn () =
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   622
      if length ts > 1 andalso length ts <= ! Syntax.ambiguity_level
952
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   623
      then (*no warning shown yet*)
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   624
        warning "Got more than one parse tree.\n\
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   625
          \Retry with smaller Syntax.ambiguity_level for more information."
952
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   626
      else ();
623
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   627
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   628
    datatype result =
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   629
      One of int * term * (indexname * typ) list |
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   630
      Errs of string list |
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   631
      Ambigs of term list;
623
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   632
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   633
    fun process_term (res, (t, i)) =
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   634
      let val ([u], tye) = infer [T'] [t] in
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   635
        (case res of
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   636
          One (_, t0, _) => Ambigs ([u, t0])
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   637
        | Errs _ => One (i, u, tye)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   638
        | Ambigs us => Ambigs (u :: us))
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   639
      end handle TYPE (msg, _, _) =>
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   640
        (case res of
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   641
          Errs errs => Errs (msg :: errs)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   642
        | _ => res);
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   643
  in
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   644
    (case foldl process_term (Errs [], ts ~~ (0 upto (length ts - 1))) of
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   645
      One res =>
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   646
       (if length ts > ! Syntax.ambiguity_level then
3552
f348e8a2db4b tuned error / warning;
wenzelm
parents: 2979
diff changeset
   647
          warning "Fortunately, only one parse tree is type correct.\n\
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   648
            \You may still want to disambiguate your grammar or your input."
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   649
        else (); res)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   650
    | Errs errs => (warn (); error (cat_lines errs))
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   651
    | Ambigs us =>
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   652
        (warn (); error ("More than one term is type correct:\n" ^
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   653
          (cat_lines (map (Pretty.string_of o prt) us)))))
623
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   654
  end;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   655
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   656
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   657
623
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   658
(** extend signature **)    (*exception ERROR*)
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   659
620
f787eb061618 exported pretty_sort;
wenzelm
parents: 583
diff changeset
   660
(** signature extension functions **)  (*exception ERROR*)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   661
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   662
fun decls_of path name_of mfixs =
3810
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   663
  map (fn (x, y, mx) => (full path (name_of x mx), y)) mfixs;
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   664
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   665
fun no_read _ _ _ decl = decl;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   666
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   667
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   668
(* add default sort *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   669
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   670
fun ext_defsort int (syn, tsig, ctab, (path, spaces), data) S =
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   671
  (syn, Type.ext_tsig_defsort tsig (if int then intrn_sort spaces S else S),
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   672
    ctab, (path, spaces), data);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   673
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   674
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   675
(* add type constructors *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   676
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   677
fun ext_types (syn, tsig, ctab, (path, spaces), data) types =
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   678
  let val decls = decls_of path Syntax.type_name types in
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   679
    (Syntax.extend_type_gram syn types,
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   680
      Type.ext_tsig_types tsig decls, ctab,
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   681
      (path, add_names spaces typeK (map fst decls)), data)
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   682
  end;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   683
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   684
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   685
(* add type abbreviations *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   686
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   687
fun read_abbr syn tsig spaces (t, vs, rhs_src) =
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   688
  (t, vs, read_raw_typ syn tsig spaces (K None) rhs_src)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   689
    handle ERROR => error ("in type abbreviation " ^ t);
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   690
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   691
fun ext_abbrs rd_abbr (syn, tsig, ctab, (path, spaces), data) abbrs =
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   692
  let
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   693
    fun mfix_of (t, vs, _, mx) = (t, length vs, mx);
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   694
    val syn' = Syntax.extend_type_gram syn (map mfix_of abbrs);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   695
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   696
    val abbrs' =
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   697
      map (fn (t, vs, rhs, mx) =>
3810
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   698
        (full path (Syntax.type_name t mx), vs, rhs)) abbrs;
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   699
    val spaces' = add_names spaces typeK (map #1 abbrs');
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   700
    val decls = map (rd_abbr syn' tsig spaces') abbrs';
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   701
  in
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   702
    (syn', Type.ext_tsig_abbrs tsig decls, ctab, (path, spaces'), data)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   703
  end;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   704
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   705
fun ext_tyabbrs abbrs = ext_abbrs read_abbr abbrs;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   706
fun ext_tyabbrs_i abbrs = ext_abbrs no_read abbrs;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   707
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   708
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   709
(* add type arities *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   710
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   711
fun ext_arities int (syn, tsig, ctab, (path, spaces), data) arities =
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   712
  let
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   713
    fun intrn_arity (c, Ss, S) =
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   714
      (intrn spaces typeK c, map (intrn_sort spaces) Ss, intrn_sort spaces S);
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   715
    val intrn = if int then map intrn_arity else I;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   716
    val tsig' = Type.ext_tsig_arities tsig (intrn arities);
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   717
    val log_types = Type.logical_types tsig';
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   718
  in
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   719
    (Syntax.extend_log_types syn log_types, tsig', ctab, (path, spaces), data)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   720
  end;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   721
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   722
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   723
(* add term constants and syntax *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   724
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   725
fun const_name path c mx =
3810
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   726
  full path (Syntax.const_name c mx);
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   727
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   728
fun err_in_const c =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   729
  error ("in declaration of constant " ^ quote c);
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   730
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   731
fun err_dup_consts cs =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   732
  error ("Duplicate declaration of constant(s) " ^ commas_quote cs);
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   733
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   734
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   735
fun read_const syn tsig (path, spaces) (c, ty_src, mx) =
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   736
  (c, read_raw_typ syn tsig spaces (K None) ty_src, mx)
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   737
    handle ERROR => err_in_const (const_name path c mx);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   738
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   739
fun ext_cnsts rd_const syn_only prmode (syn, tsig, ctab, (path, spaces), data) raw_consts =
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   740
  let
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   741
    fun prep_const (c, ty, mx) =
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   742
      (c, compress_type (Type.varifyT (Type.cert_typ tsig (Type.no_tvars ty))), mx)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   743
        handle TYPE (msg, _, _) =>
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   744
          (error_msg msg; err_in_const (const_name path c mx));
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   745
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   746
    val consts = map (prep_const o rd_const syn tsig (path, spaces)) raw_consts;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   747
    val decls =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   748
      if syn_only then []
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   749
      else decls_of path Syntax.const_name consts;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   750
  in
2197
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   751
    (Syntax.extend_const_gram syn prmode consts, tsig,
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   752
      Symtab.extend_new (ctab, decls)
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   753
        handle Symtab.DUPS cs => err_dup_consts cs,
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   754
      (path, add_names spaces constK (map fst decls)), data)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   755
  end;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   756
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   757
val ext_consts_i = ext_cnsts no_read false ("", true);
2359
97b88cafe1e8 add_modesyntax(_i): added 'inout' argument;
wenzelm
parents: 2252
diff changeset
   758
val ext_consts = ext_cnsts read_const false ("", true);
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   759
val ext_syntax_i = ext_cnsts no_read true ("", true);
2359
97b88cafe1e8 add_modesyntax(_i): added 'inout' argument;
wenzelm
parents: 2252
diff changeset
   760
val ext_syntax = ext_cnsts read_const true ("", true);
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   761
fun ext_modesyntax_i sg (prmode, consts) = ext_cnsts no_read true prmode sg consts;
2197
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   762
fun ext_modesyntax sg (prmode, consts) = ext_cnsts read_const true prmode sg consts;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   763
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   764
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   765
(* add type classes *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   766
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   767
fun const_of_class c = c ^ "_class";
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   768
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   769
fun class_of_const c_class =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   770
  let
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   771
    val c = implode (take (size c_class - size "_class", explode c_class));
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   772
  in
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   773
    if const_of_class c = c_class then c
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   774
    else raise TERM ("class_of_const: bad name " ^ quote c_class, [])
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   775
  end;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   776
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   777
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   778
fun ext_classes int (syn, tsig, ctab, (path, spaces), data) classes =
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   779
  let
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   780
    val names = map fst classes;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   781
    val consts =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   782
      map (fn c => (const_of_class c, a_itselfT --> propT, NoSyn)) names;
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   783
3810
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   784
    val full_names = map (full path) names;
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   785
    val spaces' = add_names spaces classK full_names;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   786
    val intrn = if int then map (intrn_class spaces') else I;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   787
    val classes' =
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   788
      ListPair.map (fn (c, (_, cs)) => (c, intrn cs)) (full_names, classes);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   789
  in
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   790
    ext_consts_i
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   791
      (Syntax.extend_consts syn names,
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   792
        Type.ext_tsig_classes tsig classes', ctab, (path, spaces'), data)
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   793
    consts
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   794
  end;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   795
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   796
2963
f3b5af1c5a67 renamed subclass to classrel;
wenzelm
parents: 2693
diff changeset
   797
(* add to classrel *)
421
95e1d4faa863 added add_classrel;
wenzelm
parents: 418
diff changeset
   798
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   799
fun ext_classrel int (syn, tsig, ctab, (path, spaces), data) pairs =
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   800
  let val intrn = if int then map (pairself (intrn_class spaces)) else I in
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   801
    (syn, Type.ext_tsig_classrel tsig (intrn pairs), ctab, (path, spaces), data)
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   802
  end;
421
95e1d4faa863 added add_classrel;
wenzelm
parents: 418
diff changeset
   803
95e1d4faa863 added add_classrel;
wenzelm
parents: 418
diff changeset
   804
1159
998a5c3451bf added add_trrules_i;
wenzelm
parents: 986
diff changeset
   805
(* add to syntax *)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   806
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   807
fun ext_syn extfun (syn, tsig, ctab, names, data) args =
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   808
  (extfun syn args, tsig, ctab, names, data);
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   809
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   810
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   811
(* add to path *)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   812
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   813
fun ext_path (syn, tsig, ctab, (path, spaces), data) elem =
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   814
  let
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   815
    val path' =
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   816
      if elem = ".." andalso not (null path) then fst (split_last path)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   817
      else if elem = "/" then []
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   818
      else path @ NameSpace.unpack elem;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   819
  in
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   820
    (syn, tsig, ctab, (path', spaces), data)
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   821
  end;      
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   822
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   823
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   824
(* add to name space *)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   825
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   826
fun ext_space (syn, tsig, ctab, (path, spaces), data) (kind, names) =
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   827
  (syn, tsig, ctab, (path, add_names spaces kind names), data);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   828
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   829
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   830
(* signature data *)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   831
3995
88fc1015d241 self_ref: check_stale;
wenzelm
parents: 3975
diff changeset
   832
fun ext_init_data (syn, tsig, ctab, names, data) (kind, (e, ext, mrg, prt)) =
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   833
  (syn, tsig, ctab, names, Data.init data kind e ext mrg prt);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   834
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   835
fun ext_put_data (syn, tsig, ctab, names, data) (kind, e) =
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   836
  (syn, tsig, ctab, names, Data.put data kind e);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   837
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   838
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   839
(* the external interfaces *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   840
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   841
val add_classes      = extend_sign true (ext_classes true) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   842
val add_classes_i    = extend_sign true (ext_classes false) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   843
val add_classrel     = extend_sign true (ext_classrel true) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   844
val add_classrel_i   = extend_sign true (ext_classrel false) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   845
val add_defsort      = extend_sign true (ext_defsort true) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   846
val add_defsort_i    = extend_sign true (ext_defsort false) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   847
val add_types        = extend_sign true ext_types "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   848
val add_tyabbrs      = extend_sign true ext_tyabbrs "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   849
val add_tyabbrs_i    = extend_sign true ext_tyabbrs_i "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   850
val add_arities      = extend_sign true (ext_arities true) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   851
val add_arities_i    = extend_sign true (ext_arities false) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   852
val add_consts       = extend_sign true ext_consts "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   853
val add_consts_i     = extend_sign true ext_consts_i "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   854
val add_syntax       = extend_sign true ext_syntax "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   855
val add_syntax_i     = extend_sign true ext_syntax_i "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   856
val add_modesyntax   = extend_sign true ext_modesyntax "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   857
val add_modesyntax_i = extend_sign true ext_modesyntax_i "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   858
val add_trfuns       = extend_sign true (ext_syn Syntax.extend_trfuns) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   859
val add_trfunsT      = extend_sign true (ext_syn Syntax.extend_trfunsT) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   860
val add_tokentrfuns  = extend_sign true (ext_syn Syntax.extend_tokentrfuns) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   861
val add_trrules      = extend_sign true (ext_syn Syntax.extend_trrules) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   862
val add_trrules_i    = extend_sign true (ext_syn Syntax.extend_trrules_i) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   863
val add_path         = extend_sign true ext_path "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   864
val add_space        = extend_sign true ext_space "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   865
val init_data        = extend_sign true ext_init_data "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   866
val put_data         = extend_sign true ext_put_data "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   867
fun add_name name sg = extend_sign true K name () sg;
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   868
fun prep_ext sg      = extend_sign false K "#" () sg;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   869
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   870
3867
3b2587c809f4 added additional generic data;
wenzelm
parents: 3855
diff changeset
   871
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   872
(** merge signatures **)    (*exception TERM*)
3867
3b2587c809f4 added additional generic data;
wenzelm
parents: 3855
diff changeset
   873
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   874
(* merge of sg_refs -- trivial only *)
3877
83c5310aaaab make_draft replaced by prep_ext;
wenzelm
parents: 3867
diff changeset
   875
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   876
fun merge_refs (sgr1 as SgRef (Some (ref sg1)),
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   877
        sgr2 as SgRef (Some (ref sg2))) =
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   878
      if fast_subsig (sg2, sg1) then sgr1
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   879
      else if fast_subsig (sg1, sg2) then sgr2
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   880
      else if subsig (sg2, sg1) then sgr1
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   881
      else if subsig (sg1, sg2) then sgr2
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   882
      else raise TERM ("Attempt to do non-trivial merge of signatures", [])
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   883
  | merge_refs _ = sys_error "Sign.merge_refs";
3867
3b2587c809f4 added additional generic data;
wenzelm
parents: 3855
diff changeset
   884
3b2587c809f4 added additional generic data;
wenzelm
parents: 3855
diff changeset
   885
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   886
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   887
(* proper merge *)
143
f8152ca36cd5 Sign.extend: Syntax.extend now called with read_ty;
wenzelm
parents: 19
diff changeset
   888
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   889
fun merge_aux (sg1, sg2) =
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   890
  if subsig (sg2, sg1) then sg1
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   891
  else if subsig (sg1, sg2) then sg2
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   892
  else if is_draft sg1 orelse is_draft sg2 then
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   893
    raise TERM ("Attempt to merge draft signatures", [])
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   894
  else
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   895
    (*neither is union already; must form union*)
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   896
    let
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   897
      val Sg ({id = _, stamps = stamps1}, {self = _, tsig = tsig1, const_tab = const_tab1,
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   898
        syn = syn1, path = _, spaces = spaces1, data = data1}) = sg1;
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   899
      val Sg ({id = _, stamps = stamps2}, {self = _, tsig = tsig2, const_tab = const_tab2,
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   900
        syn = syn2, path = _, spaces = spaces2, data = data2}) = sg2;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   901
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   902
      val id = ref "";
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   903
      val self_ref = ref sg1;                   (*dummy value*)
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   904
      val self = SgRef (Some self_ref);
402
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   905
      val stamps = merge_rev_lists stamps1 stamps2;
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   906
      val _ =
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   907
        (case duplicates (map ! stamps) of
402
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   908
          [] => ()
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   909
        | dups => raise TERM ("Attempt to merge different versions of theories "
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   910
            ^ commas_quote dups, []));
402
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   911
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   912
      val tsig = Type.merge_tsigs (tsig1, tsig2);
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   913
      val const_tab = Symtab.merge (op =) (const_tab1, const_tab2)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   914
        handle Symtab.DUPS cs =>
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   915
          raise TERM ("Incompatible types for constant(s) " ^ commas_quote cs, []);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   916
      val syn = Syntax.merge_syntaxes syn1 syn2;
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   917
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   918
      val path = [];
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   919
      val kinds = distinct (map fst (spaces1 @ spaces2));
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   920
      val spaces =
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   921
        kinds ~~
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   922
          ListPair.map NameSpace.merge
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   923
            (map (space_of spaces1) kinds, map (space_of spaces2) kinds);
3867
3b2587c809f4 added additional generic data;
wenzelm
parents: 3855
diff changeset
   924
3b2587c809f4 added additional generic data;
wenzelm
parents: 3855
diff changeset
   925
      val data = Data.merge (data1, data2);
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   926
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   927
      val sign = make_sign (id, self, tsig, const_tab, syn, path, spaces, data, stamps);
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   928
    in
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   929
      self_ref := sign; sign
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   930
    end;
143
f8152ca36cd5 Sign.extend: Syntax.extend now called with read_ty;
wenzelm
parents: 19
diff changeset
   931
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   932
fun merge sg1_sg2 =
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   933
  (case handle_error merge_aux sg1_sg2 of
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   934
    OK sg => sg
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   935
  | Error msg => raise TERM (msg, []));
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   936
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   937
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   938
3995
88fc1015d241 self_ref: check_stale;
wenzelm
parents: 3975
diff changeset
   939
(** partial Pure signature **)
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   940
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   941
val dummy_sg = make_sign (ref "", SgRef None, Type.tsig0,
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   942
  Symtab.null, Syntax.pure_syn, [], [], Data.empty, []);
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   943
3995
88fc1015d241 self_ref: check_stale;
wenzelm
parents: 3975
diff changeset
   944
val pre_pure =
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   945
  create_sign (SgRef (Some (ref dummy_sg))) [] "#"
3995
88fc1015d241 self_ref: check_stale;
wenzelm
parents: 3975
diff changeset
   946
    (Syntax.pure_syn, Type.tsig0, Symtab.null, ([], []), Data.empty);
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   947
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   948
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   949
end;
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   950
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   951
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   952
val long_names = Sign.long_names;