src/Pure/sign.ML
author wenzelm
Thu, 12 Feb 1998 17:43:53 +0100
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child 4844 4fb63c77f2df
permissions -rw-r--r--
Sign.merge vs. Sign.nontriv_merge;
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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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  type data
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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}
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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 of_sort: sg -> typ * 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 pretty_sg: sg -> Pretty.T
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  val str_of_sg: sg -> string
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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 pretty_classrel: sg -> class * class -> Pretty.T
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  val pretty_arity: sg -> string * sort list * 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_raw_typ: sg * (indexname -> sort option) -> string -> typ
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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 -> term * (indexname * typ) list
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  val infer_types_simult: sg -> (indexname -> typ option) ->
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    (indexname -> sort option) -> string list -> bool
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    -> (xterm list * typ) list -> term list * (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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    (string * (ast list -> ast)) list *
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    (string * (term list -> term)) list *
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    (string * (term list -> term)) list *
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    (string * (ast list -> ast)) list -> sg -> sg
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  val add_trfunsT:
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    (string * (bool -> 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: (xstring * 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 data_kinds: data -> string list
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  val init_data: string * (object * (object -> object) *
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    (object * object -> object) * (sg -> object -> unit)) -> sg -> sg
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  val get_data: sg -> string -> object
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  val put_data: string * object -> 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 merge: sg * sg -> sg
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  val prep_ext: sg -> sg
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  val nontriv_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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(* types sg, data, sg_ref *)
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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}                                 (*anytype data*)
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and data =
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  Data of
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    (object *                             	(*value*)
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     ((object -> object) *                	(*prepare extend method*)
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      (object * object -> object) *       	(*merge and prepare extend method*)
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      (sg -> object -> unit)))                 	(*print method*)
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    Symtab.table
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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 operations *)
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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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fun const_type (Sg (_, {const_tab, ...})) c = Symtab.lookup (const_tab, c);
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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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(* classes and sorts *)
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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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fun of_sort (Sg (_, {tsig, ...})) =
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  Sorts.of_sort (#classrel (Type.rep_tsig tsig)) (#arities (Type.rep_tsig tsig));
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(** signature data **)
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(* errors *)
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fun of_theory sg = "\nof theory " ^ str_of_sg sg;
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fun err_method name kind =
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  error ("Error while invoking " ^ quote kind ^ " method " ^ name);
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fun err_dup_init sg kind =
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  error ("Duplicate initialization of " ^ quote kind ^ " data" ^ of_theory sg);
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fun err_uninit sg kind =
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  error ("Tried to access uninitialized " ^ quote kind ^ " data" ^ of_theory sg);
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(* prepare data *)
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val empty_data = Data Symtab.empty;
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fun merge_data (Data tab1, Data tab2) =
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  let
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    val data1 = Symtab.dest tab1;
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    val data2 = Symtab.dest tab2;
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    val all_data = data1 @ data2;
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    val kinds = distinct (map fst all_data);
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   fun entry data kind =
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     (case assoc (data, kind) of
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       None => []
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     | Some x => [(kind, x)]);
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    fun merge_entries [(kind, (e, mths as (ext, _, _)))] =
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          (kind, (ext e handle _ => err_method "prep_ext" kind, mths))
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      | merge_entries [(kind, (e1, mths as (_, mrg, _))), (_, (e2, _))] =
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          (kind, (mrg (e1, e2) handle _ => err_method "merge" kind, mths))
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      | merge_entries _ = sys_error "merge_entries";
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    val data = map (fn k => merge_entries (entry data1 k @ entry data2 k)) kinds;
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  in Data (Symtab.make data) end;
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fun prep_ext_data data = merge_data (data, empty_data);
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fun init_data_sg sg (Data tab) kind e ext mrg prt =
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  Data (Symtab.update_new ((kind, (e, (ext, mrg, prt))), tab))
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    handle Symtab.DUP _ => err_dup_init sg kind;
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(* access data *)
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fun data_kinds (Data tab) = map fst (Symtab.dest tab);
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   308
e768c42069bb removed data.ML (made part of sign.ML);
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   309
fun lookup_data sg tab kind =
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   310
  (case Symtab.lookup (tab, kind) of
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   311
    Some x => x
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   312
  | None => err_uninit sg kind);
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   313
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wenzelm
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   314
fun get_data (sg as Sg (_, {data = Data tab, ...})) kind =
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   315
  fst (lookup_data sg tab kind);
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diff changeset
   316
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wenzelm
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   317
fun print_data (sg as Sg (_, {data = Data tab, ...})) kind =
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diff changeset
   318
  let val (e, (_, _, prt)) = lookup_data sg tab kind
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wenzelm
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diff changeset
   319
  in prt sg e handle _ => err_method ("print" ^ of_theory sg) kind end;
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   320
e768c42069bb removed data.ML (made part of sign.ML);
wenzelm
parents: 4249
diff changeset
   321
fun put_data_sg sg (Data tab) kind e =
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wenzelm
parents: 4249
diff changeset
   322
  Data (Symtab.update ((kind, (e, snd (lookup_data sg tab kind))), tab));
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wenzelm
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diff changeset
   323
e768c42069bb removed data.ML (made part of sign.ML);
wenzelm
parents: 4249
diff changeset
   324
e768c42069bb removed data.ML (made part of sign.ML);
wenzelm
parents: 4249
diff changeset
   325
e768c42069bb removed data.ML (made part of sign.ML);
wenzelm
parents: 4249
diff changeset
   326
(** build signatures **)
3967
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wenzelm
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diff changeset
   327
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
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diff changeset
   328
fun ext_stamps stamps (id as ref name) =
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   329
  let val stmps = (case stamps of ref "#" :: ss => ss | ss => ss) in
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wenzelm
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diff changeset
   330
    if exists (equal name o !) stmps then
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   331
      error ("Theory already contains a " ^ quote name ^ " component")
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   332
    else id :: stmps
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   333
  end;
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diff changeset
   334
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
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diff changeset
   335
fun create_sign self stamps name (syn, tsig, ctab, (path, spaces), data) =
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diff changeset
   336
  let
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
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diff changeset
   337
    val id = ref name;
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
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diff changeset
   338
    val sign =
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
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diff changeset
   339
      make_sign (id, self, tsig, ctab, syn, path, spaces, data, ext_stamps stamps id);
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
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diff changeset
   340
  in
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
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diff changeset
   341
    (case self of
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
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   342
      SgRef (Some r) => r := sign
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   343
    | _ => sys_error "Sign.create_sign");
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   344
    sign
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
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diff changeset
   345
  end;
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diff changeset
   346
3975
ddeb5a0fd08d hide id, stamps;
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   347
fun extend_sign keep extfun name decls
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diff changeset
   348
    (sg as Sg ({id = _, stamps}, {self, tsig, const_tab, syn, path, spaces, data})) =
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
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diff changeset
   349
  let
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wenzelm
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diff changeset
   350
    val _ = check_stale sg;
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wenzelm
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diff changeset
   351
    val (self', data') =
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   352
      if is_draft sg andalso keep then (self, data)
4256
e768c42069bb removed data.ML (made part of sign.ML);
wenzelm
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diff changeset
   353
      else (SgRef (Some (ref sg)), prep_ext_data data);
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   354
  in
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   355
    create_sign self' stamps name
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wenzelm
parents: 3956
diff changeset
   356
      (extfun (syn, tsig, const_tab, (path, spaces), data') decls)
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   357
  end;
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   358
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   359
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   360
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   361
(** name spaces **)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   362
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
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   363
(*prune names on output by default*)
3791
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wenzelm
parents: 3552
diff changeset
   364
val long_names = ref false;
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wenzelm
parents: 3552
diff changeset
   365
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   366
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   367
(* kinds *)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   368
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   369
val classK = "class";
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   370
val typeK = "type";
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wenzelm
parents: 3552
diff changeset
   371
val constK = "const";
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wenzelm
parents: 3552
diff changeset
   372
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   373
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   374
(* add and retrieve names *)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   375
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   376
fun space_of spaces kind =
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   377
  if_none (assoc (spaces, kind)) NameSpace.empty;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   378
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   379
(*input and output of qualified names*)
3995
88fc1015d241 self_ref: check_stale;
wenzelm
parents: 3975
diff changeset
   380
fun intrn spaces kind = NameSpace.intern (space_of spaces kind);
88fc1015d241 self_ref: check_stale;
wenzelm
parents: 3975
diff changeset
   381
fun extrn spaces kind = NameSpace.extern (space_of spaces kind);
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   382
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   383
(*add names*)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   384
fun add_names spaces kind names =
4489
749600cb5573 renamed Symtab.null to Symtab.empty;
wenzelm
parents: 4344
diff changeset
   385
  let val space' = NameSpace.extend (space_of spaces kind, names) in
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   386
    overwrite (spaces, (kind, space'))
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   387
  end;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   388
3810
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   389
(*make full names*)
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   390
fun full path name =
4489
749600cb5573 renamed Symtab.null to Symtab.empty;
wenzelm
parents: 4344
diff changeset
   391
  if name = "" then error "Attempt to declare empty name \"\""
749600cb5573 renamed Symtab.null to Symtab.empty;
wenzelm
parents: 4344
diff changeset
   392
  else if NameSpace.qualified name then
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   393
    error ("Attempt to declare qualified name " ^ quote name)
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   394
  else NameSpace.pack (path @ [name]);
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   395
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   396
(*base name*)
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   397
val base_name = NameSpace.base;
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   398
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   399
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   400
(* intern / extern names *)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   401
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   402
local
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   403
  (*prepare mapping of names*)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   404
  fun mapping f add_xs t =
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   405
    let
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   406
      fun f' x = let val y = f x in if x = y then None else Some (x, y) end;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   407
      val table = mapfilter f' (add_xs (t, []));
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   408
      fun lookup x = if_none (assoc (table, x)) x;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   409
    in lookup end;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   410
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   411
  (*intern / extern typ*)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   412
  fun trn_typ trn T =
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   413
    T |> map_typ
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   414
      (mapping (trn classK) add_typ_classes T)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   415
      (mapping (trn typeK) add_typ_tycons T);
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   416
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   417
  (*intern / extern term*)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   418
  fun trn_term trn t =
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   419
    t |> map_term
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   420
      (mapping (trn classK) add_term_classes t)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   421
      (mapping (trn typeK) add_term_tycons t)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   422
      (mapping (trn constK) add_term_consts t);
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   423
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   424
  val spaces_of = #spaces o rep_sg;
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   425
in
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   426
  fun intrn_class spaces = intrn spaces classK;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   427
  fun extrn_class spaces = extrn spaces classK;
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   428
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   429
  val intrn_sort = map o intrn_class;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   430
  val intrn_typ = trn_typ o intrn;
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   431
  val intrn_term = trn_term o intrn;
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   432
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   433
  val extrn_sort = map o extrn_class;
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   434
  val extrn_typ = trn_typ o extrn;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   435
  val extrn_term = trn_term o extrn;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   436
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   437
  fun intrn_tycons spaces T =
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   438
    map_typ I (mapping (intrn spaces typeK) add_typ_tycons T) T;
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   439
3810
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   440
  val intern = intrn o spaces_of;
3855
4bdf32173f6f fixed extern;
wenzelm
parents: 3850
diff changeset
   441
  val extern = extrn o spaces_of;
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   442
  fun cond_extern sg kind = if ! long_names then I else extern sg kind;
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   443
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   444
  val intern_class = intrn_class o spaces_of;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   445
  val intern_sort = intrn_sort o spaces_of;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   446
  val intern_typ = intrn_typ o spaces_of;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   447
  val intern_term = intrn_term o spaces_of;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   448
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   449
  fun intern_tycon sg = intrn (spaces_of sg) typeK;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   450
  fun intern_const sg = intrn (spaces_of sg) constK;
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   451
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   452
  val intern_tycons = intrn_tycons o spaces_of;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   453
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   454
  val full_name = full o #path o rep_sg;
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   455
end;
620
f787eb061618 exported pretty_sort;
wenzelm
parents: 583
diff changeset
   456
402
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   457
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   458
4249
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   459
(** pretty printing of terms, types etc. **)
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   460
4249
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   461
fun pretty_term (sg as Sg ({stamps, ...}, {syn, spaces, ...})) t =
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   462
  Syntax.pretty_term syn
4249
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   463
    (exists (equal "CPure" o !) stamps)
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   464
    (if ! long_names then t else extrn_term spaces t);
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   465
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   466
fun pretty_typ (Sg (_, {syn, spaces, ...})) T =
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   467
  Syntax.pretty_typ syn
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   468
    (if ! long_names then T else extrn_typ spaces T);
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   469
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   470
fun pretty_sort (Sg (_, {syn, spaces, ...})) S =
3937
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   471
  Syntax.pretty_sort syn
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   472
    (if ! long_names then S else extrn_sort spaces S);
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   473
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   474
fun pretty_classrel sg (c1, c2) = Pretty.block
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   475
  [pretty_sort sg [c1], Pretty.str " <", Pretty.brk 1, pretty_sort sg [c2]];
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   476
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   477
fun pretty_arity sg (t, Ss, S) =
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   478
  let
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   479
    val t' = cond_extern sg typeK t;
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   480
    val dom =
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   481
      if null Ss then []
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   482
      else [Pretty.list "(" ")" (map (pretty_sort sg) Ss), Pretty.brk 1];
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   483
  in
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   484
    Pretty.block
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   485
      ([Pretty.str (t' ^ " ::"), Pretty.brk 1] @ dom @ [pretty_sort sg S])
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   486
  end;
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   487
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   488
fun string_of_term sg t = Pretty.string_of (pretty_term sg t);
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   489
fun string_of_typ sg T = Pretty.string_of (pretty_typ sg T);
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   490
fun string_of_sort sg S = Pretty.string_of (pretty_sort sg S);
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   491
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   492
fun str_of_sort sg S = Pretty.str_of (pretty_sort sg S);
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   493
fun str_of_classrel sg c1_c2 = Pretty.str_of (pretty_classrel sg c1_c2);
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   494
fun str_of_arity sg ar = Pretty.str_of (pretty_arity sg ar);
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   495
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   496
fun pprint_term sg = Pretty.pprint o Pretty.quote o (pretty_term sg);
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   497
fun pprint_typ sg = Pretty.pprint o Pretty.quote o (pretty_typ sg);
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   498
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   499
988ce6fbf85b fixed types of add_XXX;
wenzelm
parents: 3899
diff changeset
   500
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   501
(** read types **)  (*exception ERROR*)
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   502
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   503
fun err_in_type s =
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   504
  error ("The error(s) above occurred in type " ^ quote s);
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   505
4227
a5c947d7c56c export read_raw_typ;
wenzelm
parents: 4140
diff changeset
   506
fun rd_raw_typ syn tsig spaces def_sort str =
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   507
  intrn_tycons spaces
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   508
    (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
   509
      handle ERROR => err_in_type str);
4227
a5c947d7c56c export read_raw_typ;
wenzelm
parents: 4140
diff changeset
   510
a5c947d7c56c export read_raw_typ;
wenzelm
parents: 4140
diff changeset
   511
fun read_raw_typ (sg as Sg (_, {tsig, syn, spaces, ...}), def_sort) str =
a5c947d7c56c export read_raw_typ;
wenzelm
parents: 4140
diff changeset
   512
  (check_stale sg; rd_raw_typ syn tsig spaces def_sort str);
a5c947d7c56c export read_raw_typ;
wenzelm
parents: 4140
diff changeset
   513
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   514
(*read and certify typ wrt a signature*)
4227
a5c947d7c56c export read_raw_typ;
wenzelm
parents: 4140
diff changeset
   515
fun read_typ (sg, def_sort) str =
a5c947d7c56c export read_raw_typ;
wenzelm
parents: 4140
diff changeset
   516
  (Type.cert_typ (tsig_of sg) (read_raw_typ (sg, def_sort) str)
3969
9c742951a923 certify: check_stale;
wenzelm
parents: 3967
diff changeset
   517
      handle TYPE (msg, _, _) => (error_msg msg; err_in_type str));
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   518
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   519
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   520
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   521
(** certify types and terms **)   (*exception TYPE*)
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   522
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   523
val certify_typ = Type.cert_typ o tsig_of;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   524
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   525
(*check for duplicate TVars with distinct sorts*)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   526
fun nodup_TVars (tvars, T) =
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   527
  (case T of
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   528
    Type (_, Ts) => nodup_TVars_list (tvars, Ts)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   529
  | TFree _ => tvars
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   530
  | TVar (v as (a, S)) =>
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   531
      (case assoc_string_int (tvars, a) of
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   532
        Some S' =>
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   533
          if S = S' then tvars
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   534
          else raise TYPE ("Type variable " ^ Syntax.string_of_vname a ^
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   535
            " has two distinct sorts", [TVar (a, S'), T], [])
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   536
      | None => v :: tvars))
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   537
(*equivalent to foldl nodup_TVars_list, but 3X faster under Poly/ML*)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   538
and nodup_TVars_list (tvars, []) = tvars
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   539
  | nodup_TVars_list (tvars, T :: Ts) =
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   540
      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
   541
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   542
(*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
   543
fun nodup_Vars tm =
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   544
  let
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   545
    fun nodups vars tvars tm =
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   546
      (case tm of
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   547
        Const (c, T) => (vars, nodup_TVars (tvars, T))
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   548
      | Free (a, T) => (vars, nodup_TVars (tvars, T))
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   549
      | Var (v as (ixn, T)) =>
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   550
          (case assoc_string_int (vars, ixn) of
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   551
            Some T' =>
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   552
              if T = T' then (vars, nodup_TVars (tvars, T))
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   553
              else raise TYPE ("Variable " ^ Syntax.string_of_vname ixn ^
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   554
                " has two distinct types", [T', T], [])
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   555
          | None => (v :: vars, tvars))
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   556
      | Bound _ => (vars, tvars)
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   557
      | Abs (_, T, t) => nodups vars (nodup_TVars (tvars, T)) t
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   558
      | s $ t =>
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   559
          let val (vars',tvars') = nodups vars tvars s in
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   560
            nodups vars' tvars' t
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   561
          end);
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   562
  in nodups [] [] tm; () end;
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   563
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   564
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   565
fun mapfilt_atoms f (Abs (_, _, t)) = mapfilt_atoms f t
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   566
  | 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
   567
  | mapfilt_atoms f a = (case f a of Some y => [y] | None => []);
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   568
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   569
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   570
fun certify_term sg tm =
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   571
  let
3969
9c742951a923 certify: check_stale;
wenzelm
parents: 3967
diff changeset
   572
    val _ = check_stale sg;
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   573
    val tsig = tsig_of sg;
3969
9c742951a923 certify: check_stale;
wenzelm
parents: 3967
diff changeset
   574
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   575
    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
   576
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   577
    fun atom_err (Const (a, T)) =
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   578
        (case const_type sg a of
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   579
          None => Some ("Undeclared constant " ^ show_const a T)
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   580
        | Some U =>
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   581
            if Type.typ_instance (tsig, T, U) then None
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   582
            else Some ("Illegal type for constant " ^ show_const a T))
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   583
      | atom_err (Var ((x, i), _)) =
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   584
          if i < 0 then Some ("Negative index for Var " ^ quote x) else None
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   585
      | atom_err _ = None;
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   586
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   587
    val norm_tm =
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   588
      (case it_term_types (Type.typ_errors tsig) (tm, []) of
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   589
        [] => map_term_types (Type.norm_typ tsig) tm
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   590
      | 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
   591
    val _ = nodup_Vars norm_tm;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   592
  in
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   593
    (case mapfilt_atoms atom_err norm_tm of
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   594
      [] => (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
   595
    | errs => raise TYPE (cat_lines errs, [], [norm_tm]))
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   596
  end;
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   597
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   598
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   599
583
550292083e66 minor internal changes;
wenzelm
parents: 573
diff changeset
   600
(** infer_types **)         (*exception ERROR*)
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   601
2979
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
4249
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   607
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   608
  termss: lists of alternative parses (only one combination should be type-correct)
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   609
  typs: expected types
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   610
*)
db6941221197 improved type check error messages;
wenzelm
parents: 2963
diff changeset
   611
4249
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   612
fun infer_types_simult sg def_type def_sort used freeze args =
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   613
  let
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   614
    val tsig = tsig_of sg;
3810
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   615
    val prt =
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   616
      setmp Syntax.show_brackets true
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   617
        (setmp long_names true (pretty_term sg));
350150bd3744 tuned exports;
wenzelm
parents: 3805
diff changeset
   618
    val prT = setmp long_names true (pretty_typ sg);
4249
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   619
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   620
    val termss = foldr multiply (map fst args, [[]]);
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   621
    val typs =
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   622
      map (fn (_, T) => certify_typ sg T handle TYPE (msg, _, _) => error msg) args;
169
1b2765146aab extend: cleaned up, adapted for new Syntax.extend;
wenzelm
parents: 155
diff changeset
   623
4249
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   624
    fun infer ts = OK
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   625
      (Type.infer_types prt prT tsig (const_type sg) def_type def_sort
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   626
        (intern_const sg) (intern_tycons sg) (intern_sort sg) used freeze typs ts)
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   627
      handle TYPE (msg, _, _) => Error msg;
623
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   628
4249
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   629
    val err_results = map infer termss;
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   630
    val errs = mapfilter get_error err_results;
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   631
    val results = mapfilter get_ok err_results;
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   632
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   633
    val ambiguity = length termss;	(* FIXME !? *)
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   634
    (* FIXME to syntax.ML!? *)
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   635
    fun ambig_msg () =
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   636
      if ambiguity > 1 andalso ambiguity <= ! Syntax.ambiguity_level
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   637
      then
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   638
        error_msg "Got more than one parse tree.\n\
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   639
          \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
   640
      else ();
4249
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   641
  in
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   642
    if null results then (ambig_msg (); error (cat_lines errs))
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   643
    else if length results = 1 then
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   644
      (if ambiguity > ! Syntax.ambiguity_level then
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   645
        warning "Fortunately, only one parse tree is type correct.\n\
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   646
          \You may still want to disambiguate your grammar or your input."
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   647
      else (); hd results)
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   648
    else (ambig_msg (); error ("More than one term is type correct:\n" ^
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   649
      (cat_lines (map (Pretty.string_of o prt) (flat (map fst results))))))
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   650
  end;
623
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   651
4249
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   652
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   653
fun infer_types sg def_type def_sort used freeze tsT =
34b7aafdc1bc exported pretty_classrel, pretty_arity;
wenzelm
parents: 4228
diff changeset
   654
  apfst hd (infer_types_simult sg def_type def_sort used freeze [tsT]);
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) =
4227
a5c947d7c56c export read_raw_typ;
wenzelm
parents: 4140
diff changeset
   688
  (t, vs, rd_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) =
4227
a5c947d7c56c export read_raw_typ;
wenzelm
parents: 4140
diff changeset
   736
  (c, rd_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,
4489
749600cb5573 renamed Symtab.null to Symtab.empty;
wenzelm
parents: 4344
diff changeset
   752
      Symtab.extend (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
4007
1d6aed7ff375 made SML/NJ happy;
wenzelm
parents: 3995
diff changeset
   757
fun ext_consts_i sg = ext_cnsts no_read false ("", true) sg;
1d6aed7ff375 made SML/NJ happy;
wenzelm
parents: 3995
diff changeset
   758
fun ext_consts sg = ext_cnsts read_const false ("", true) sg;
1d6aed7ff375 made SML/NJ happy;
wenzelm
parents: 3995
diff changeset
   759
fun ext_syntax_i sg = ext_cnsts no_read true ("", true) sg;
1d6aed7ff375 made SML/NJ happy;
wenzelm
parents: 3995
diff changeset
   760
fun ext_syntax sg = ext_cnsts read_const true ("", true) sg;
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
4619
72edc2a9200f fixed add_trrules: intern root;
wenzelm
parents: 4568
diff changeset
   805
(* add translation rules *)
72edc2a9200f fixed add_trrules: intern root;
wenzelm
parents: 4568
diff changeset
   806
72edc2a9200f fixed add_trrules: intern root;
wenzelm
parents: 4568
diff changeset
   807
fun ext_trrules (syn, tsig, ctab, (path, spaces), data) args =
72edc2a9200f fixed add_trrules: intern root;
wenzelm
parents: 4568
diff changeset
   808
  (Syntax.extend_trrules syn
72edc2a9200f fixed add_trrules: intern root;
wenzelm
parents: 4568
diff changeset
   809
    (map (Syntax.map_trrule (fn (root, str) => (intrn spaces typeK root, str))) args),
72edc2a9200f fixed add_trrules: intern root;
wenzelm
parents: 4568
diff changeset
   810
      tsig, ctab, (path, spaces), data);
72edc2a9200f fixed add_trrules: intern root;
wenzelm
parents: 4568
diff changeset
   811
72edc2a9200f fixed add_trrules: intern root;
wenzelm
parents: 4568
diff changeset
   812
1159
998a5c3451bf added add_trrules_i;
wenzelm
parents: 986
diff changeset
   813
(* add to syntax *)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   814
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   815
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
   816
  (extfun syn args, tsig, ctab, names, data);
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   817
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   818
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   819
(* add to path *)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   820
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   821
fun ext_path (syn, tsig, ctab, (path, spaces), data) elem =
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   822
  let
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   823
    val path' =
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   824
      if elem = ".." andalso not (null path) then fst (split_last path)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   825
      else if elem = "/" then []
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   826
      else path @ NameSpace.unpack elem;
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   827
  in
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   828
    (syn, tsig, ctab, (path', spaces), data)
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   829
  end;      
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   830
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   831
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   832
(* add to name space *)
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   833
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   834
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
   835
  (syn, tsig, ctab, (path, add_names spaces kind names), data);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   836
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   837
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   838
(* signature data *)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   839
4256
e768c42069bb removed data.ML (made part of sign.ML);
wenzelm
parents: 4249
diff changeset
   840
fun ext_init_data sg (syn, tsig, ctab, names, data) (kind, (e, ext, mrg, prt)) =
e768c42069bb removed data.ML (made part of sign.ML);
wenzelm
parents: 4249
diff changeset
   841
  (syn, tsig, ctab, names, init_data_sg sg data kind e ext mrg prt);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   842
4256
e768c42069bb removed data.ML (made part of sign.ML);
wenzelm
parents: 4249
diff changeset
   843
fun ext_put_data sg (syn, tsig, ctab, names, data) (kind, e) =
e768c42069bb removed data.ML (made part of sign.ML);
wenzelm
parents: 4249
diff changeset
   844
  (syn, tsig, ctab, names, put_data_sg sg data kind e);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   845
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   846
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   847
(* the external interfaces *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   848
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   849
val add_classes      = extend_sign true (ext_classes true) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   850
val add_classes_i    = extend_sign true (ext_classes false) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   851
val add_classrel     = extend_sign true (ext_classrel true) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   852
val add_classrel_i   = extend_sign true (ext_classrel false) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   853
val add_defsort      = extend_sign true (ext_defsort true) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   854
val add_defsort_i    = extend_sign true (ext_defsort false) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   855
val add_types        = extend_sign true ext_types "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   856
val add_tyabbrs      = extend_sign true ext_tyabbrs "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   857
val add_tyabbrs_i    = extend_sign true ext_tyabbrs_i "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   858
val add_arities      = extend_sign true (ext_arities true) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   859
val add_arities_i    = extend_sign true (ext_arities false) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   860
val add_consts       = extend_sign true ext_consts "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   861
val add_consts_i     = extend_sign true ext_consts_i "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   862
val add_syntax       = extend_sign true ext_syntax "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   863
val add_syntax_i     = extend_sign true ext_syntax_i "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   864
val add_modesyntax   = extend_sign true ext_modesyntax "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   865
val add_modesyntax_i = extend_sign true ext_modesyntax_i "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   866
val add_trfuns       = extend_sign true (ext_syn Syntax.extend_trfuns) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   867
val add_trfunsT      = extend_sign true (ext_syn Syntax.extend_trfunsT) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   868
val add_tokentrfuns  = extend_sign true (ext_syn Syntax.extend_tokentrfuns) "#";
4619
72edc2a9200f fixed add_trrules: intern root;
wenzelm
parents: 4568
diff changeset
   869
val add_trrules      = extend_sign true ext_trrules "#";
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   870
val add_trrules_i    = extend_sign true (ext_syn Syntax.extend_trrules_i) "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   871
val add_path         = extend_sign true ext_path "#";
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   872
val add_space        = extend_sign true ext_space "#";
4256
e768c42069bb removed data.ML (made part of sign.ML);
wenzelm
parents: 4249
diff changeset
   873
fun init_data arg sg = extend_sign true (ext_init_data sg) "#" arg sg;
e768c42069bb removed data.ML (made part of sign.ML);
wenzelm
parents: 4249
diff changeset
   874
fun put_data arg sg  = extend_sign true (ext_put_data sg) "#" arg sg;
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   875
fun add_name name sg = extend_sign true K name () sg;
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   876
fun prep_ext sg      = extend_sign false K "#" () sg;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   877
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   878
3867
3b2587c809f4 added additional generic data;
wenzelm
parents: 3855
diff changeset
   879
4017
63878e2587a7 add_typ_classes, add_typ_tycons, add_term_classes, add_term_tycons,
wenzelm
parents: 4007
diff changeset
   880
(** merge signatures **)    	(*exception TERM*)
3867
3b2587c809f4 added additional generic data;
wenzelm
parents: 3855
diff changeset
   881
4228
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   882
(* merge_stamps *)
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   883
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   884
fun merge_stamps stamps1 stamps2 =
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   885
  let val stamps = merge_rev_lists stamps1 stamps2 in
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   886
    (case duplicates (map ! stamps) of
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   887
      [] => stamps
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   888
    | dups => raise TERM ("Attempt to merge different versions of theories "
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   889
        ^ commas_quote dups, []))
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   890
  end;
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   891
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   892
4627
ae95666c71cc Sign.merge vs. Sign.nontriv_merge;
wenzelm
parents: 4619
diff changeset
   893
(* implicit merge -- trivial only *)
3877
83c5310aaaab make_draft replaced by prep_ext;
wenzelm
parents: 3867
diff changeset
   894
4228
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   895
fun merge_refs (sgr1 as SgRef (Some (ref (sg1 as Sg ({stamps = s1, ...}, _)))),
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   896
        sgr2 as SgRef (Some (ref (sg2 as Sg ({stamps = s2, ...}, _))))) =
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   897
      if fast_subsig (sg2, sg1) then sgr1
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   898
      else if fast_subsig (sg1, sg2) then sgr2
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   899
      else if subsig (sg2, sg1) then sgr1
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   900
      else if subsig (sg1, sg2) then sgr2
4228
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   901
      else (merge_stamps s1 s2; (*check for different versions*)
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   902
        raise TERM ("Attempt to do non-trivial merge of signatures", []))
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   903
  | merge_refs _ = sys_error "Sign.merge_refs";
3867
3b2587c809f4 added additional generic data;
wenzelm
parents: 3855
diff changeset
   904
4627
ae95666c71cc Sign.merge vs. Sign.nontriv_merge;
wenzelm
parents: 4619
diff changeset
   905
val merge = deref o merge_refs o pairself self_ref;
ae95666c71cc Sign.merge vs. Sign.nontriv_merge;
wenzelm
parents: 4619
diff changeset
   906
3867
3b2587c809f4 added additional generic data;
wenzelm
parents: 3855
diff changeset
   907
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   908
(* proper merge *)
143
f8152ca36cd5 Sign.extend: Syntax.extend now called with read_ty;
wenzelm
parents: 19
diff changeset
   909
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   910
fun merge_aux (sg1, sg2) =
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   911
  if subsig (sg2, sg1) then sg1
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   912
  else if subsig (sg1, sg2) then sg2
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   913
  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
   914
    raise TERM ("Attempt to merge draft signatures", [])
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   915
  else
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   916
    (*neither is union already; must form union*)
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   917
    let
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   918
      val Sg ({id = _, stamps = stamps1}, {self = _, tsig = tsig1, const_tab = const_tab1,
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   919
        syn = syn1, path = _, spaces = spaces1, data = data1}) = sg1;
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   920
      val Sg ({id = _, stamps = stamps2}, {self = _, tsig = tsig2, const_tab = const_tab2,
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   921
        syn = syn2, path = _, spaces = spaces2, data = data2}) = sg2;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   922
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   923
      val id = ref "";
3975
ddeb5a0fd08d hide id, stamps;
wenzelm
parents: 3969
diff changeset
   924
      val self_ref = ref sg1;                   (*dummy value*)
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   925
      val self = SgRef (Some self_ref);
402
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   926
4228
22e3f0368c85 merge_refs: check for different versions of theories;
wenzelm
parents: 4227
diff changeset
   927
      val stamps = merge_stamps stamps1 stamps2;
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   928
      val tsig = Type.merge_tsigs (tsig1, tsig2);
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   929
      val const_tab = Symtab.merge (op =) (const_tab1, const_tab2)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   930
        handle Symtab.DUPS cs =>
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   931
          raise TERM ("Incompatible types for constant(s) " ^ commas_quote cs, []);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   932
      val syn = Syntax.merge_syntaxes syn1 syn2;
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   933
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   934
      val path = [];
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   935
      val kinds = distinct (map fst (spaces1 @ spaces2));
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   936
      val spaces =
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   937
        kinds ~~
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   938
          ListPair.map NameSpace.merge
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   939
            (map (space_of spaces1) kinds, map (space_of spaces2) kinds);
3867
3b2587c809f4 added additional generic data;
wenzelm
parents: 3855
diff changeset
   940
4256
e768c42069bb removed data.ML (made part of sign.ML);
wenzelm
parents: 4249
diff changeset
   941
      val data = merge_data (data1, data2);
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   942
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   943
      val sign = make_sign (id, self, tsig, const_tab, syn, path, spaces, data, stamps);
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   944
    in
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   945
      self_ref := sign; sign
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   946
    end;
143
f8152ca36cd5 Sign.extend: Syntax.extend now called with read_ty;
wenzelm
parents: 19
diff changeset
   947
4627
ae95666c71cc Sign.merge vs. Sign.nontriv_merge;
wenzelm
parents: 4619
diff changeset
   948
fun nontriv_merge sg1_sg2 =
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   949
  (case handle_error merge_aux sg1_sg2 of
3805
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   950
    OK sg => sg
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   951
  | Error msg => raise TERM (msg, []));
a50d0b5219dd improved types of add_XXX funs (xtyp etc.);
wenzelm
parents: 3791
diff changeset
   952
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   953
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   954
3995
88fc1015d241 self_ref: check_stale;
wenzelm
parents: 3975
diff changeset
   955
(** partial Pure signature **)
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   956
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   957
val dummy_sg = make_sign (ref "", SgRef None, Type.tsig0,
4489
749600cb5573 renamed Symtab.null to Symtab.empty;
wenzelm
parents: 4344
diff changeset
   958
  Symtab.empty, Syntax.pure_syn, [], [], empty_data, []);
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   959
3995
88fc1015d241 self_ref: check_stale;
wenzelm
parents: 3975
diff changeset
   960
val pre_pure =
3967
edd5ff9371f8 sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents: 3956
diff changeset
   961
  create_sign (SgRef (Some (ref dummy_sg))) [] "#"
4489
749600cb5573 renamed Symtab.null to Symtab.empty;
wenzelm
parents: 4344
diff changeset
   962
    (Syntax.pure_syn, Type.tsig0, Symtab.empty, ([], []), empty_data);
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   963
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   964
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   965
end;
3791
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   966
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   967
c5db2c87a646 now supports qualified names (intern vs. extern) !!!
wenzelm
parents: 3552
diff changeset
   968
val long_names = Sign.long_names;