author | wenzelm |
Thu, 20 Nov 1997 15:07:19 +0100 | |
changeset 4255 | 63ab0616900b |
parent 4249 | 34b7aafdc1bc |
child 4256 | e768c42069bb |
permissions | -rw-r--r-- |
19 | 1 |
(* 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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|
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The abstract type "sg" of signatures. |
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*) |
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||
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(*base names*) |
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type bstring = string; |
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type bclass = class; |
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(*external forms -- partially qualified names*) |
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type xstring = string; |
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type xclass = class; |
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type xsort = sort; |
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type xtyp = typ; |
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type xterm = term; |
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signature SIGN = |
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sig |
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type sg |
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type sg_ref |
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val rep_sg: sg -> |
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{self: sg_ref, |
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tsig: Type.type_sig, |
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const_tab: typ Symtab.table, |
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syn: Syntax.syntax, |
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path: string list, |
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spaces: (string * NameSpace.T) list, |
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data: Data.T} |
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val name_of: sg -> string |
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val stamp_names_of: sg -> string list |
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val tsig_of: sg -> Type.type_sig |
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val deref: sg_ref -> sg |
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val self_ref: sg -> sg_ref |
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val subsig: sg * sg -> bool |
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val eq_sg: sg * sg -> bool |
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val same_sg: sg * sg -> bool |
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val is_draft: sg -> bool |
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val const_type: sg -> string -> typ option |
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val classes: sg -> class list |
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val subsort: sg -> sort * sort -> bool |
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val nodup_Vars: term -> unit |
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val norm_sort: sg -> sort -> sort |
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val nonempty_sort: sg -> sort list -> sort -> bool |
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val long_names: bool ref |
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val classK: string |
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val typeK: string |
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val constK: string |
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val full_name: sg -> bstring -> string |
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val base_name: string -> bstring |
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val intern: sg -> string -> xstring -> string |
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val extern: sg -> string -> string -> xstring |
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val cond_extern: sg -> string -> string -> xstring |
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val intern_class: sg -> xclass -> class |
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val intern_tycon: sg -> xstring -> string |
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val intern_const: sg -> xstring -> string |
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val intern_sort: sg -> xsort -> sort |
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val intern_typ: sg -> xtyp -> typ |
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val intern_term: sg -> xterm -> term |
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val intern_tycons: sg -> xtyp -> typ |
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val 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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(bstring * (ast list -> ast)) list * |
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(bstring * (term list -> term)) list * |
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(bstring * (term list -> term)) list * |
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(bstring * (ast list -> ast)) list -> sg -> sg |
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val add_trfunsT: |
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(bstring * (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: (string * string) Syntax.trrule list -> sg -> sg |
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val add_trrules_i: ast Syntax.trrule list -> sg -> sg |
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val add_path: string -> sg -> sg |
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val add_space: string * string list -> sg -> sg |
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val add_name: string -> sg -> sg |
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val init_data: string * (object * (object -> object) * |
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(object * object -> object) * (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 prep_ext: sg -> sg |
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val merge: sg * sg -> sg |
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val pre_pure: sg |
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val const_of_class: class -> string |
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val class_of_const: string -> class |
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end; |
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structure Sign: SIGN = |
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struct |
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(** datatype sg **) |
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datatype sg = |
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Sg of |
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{id: string ref, (*id*) |
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stamps: string ref list} * (*unique theory indentifier*) |
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{self: sg_ref, (*mutable self reference*) |
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tsig: Type.type_sig, (*order-sorted signature of types*) |
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const_tab: typ Symtab.table, (*type schemes of constants*) |
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syn: Syntax.syntax, (*syntax for parsing and printing*) |
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path: string list, (*current name space entry prefix*) |
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spaces: (string * NameSpace.T) list, (*name spaces for consts, types etc.*) |
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data: Data.T} (*additional data*) |
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and sg_ref = |
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SgRef of sg ref option; |
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(*make signature*) |
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fun make_sign (id, self, tsig, const_tab, syn, path, spaces, data, stamps) = |
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Sg ({id = id, stamps = stamps}, {self = self, tsig = tsig, const_tab = const_tab, |
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syn = syn, path = path, spaces = spaces, data = data}); |
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(* basic components *) |
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fun rep_sg (Sg (_, args)) = args; |
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(*show stamps*) |
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fun stamp_names_of (Sg ({stamps, ...}, _)) = rev (map ! stamps); |
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fun pretty_sg sg = Pretty.str_list "{" "}" (stamp_names_of sg); |
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val str_of_sg = Pretty.str_of o pretty_sg; |
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val pprint_sg = Pretty.pprint o pretty_sg; |
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val tsig_of = #tsig o rep_sg; |
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fun const_type (Sg (_, {const_tab, ...})) c = Symtab.lookup (const_tab, c); |
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val classes = #classes o Type.rep_tsig o tsig_of; |
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val subsort = Type.subsort o tsig_of; |
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val norm_sort = Type.norm_sort o tsig_of; |
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val nonempty_sort = Type.nonempty_sort o tsig_of; |
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(* data *) |
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fun access_data f sg k = f (#data (rep_sg sg)) k |
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handle ERROR => error ("of theory " ^ str_of_sg sg); |
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val get_data = access_data Data.get; |
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val print_data = access_data Data.print; |
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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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||
402 | 233 |
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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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|
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(*test for drafts*) |
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fun is_draft (Sg ({stamps = ref "#" :: _, ...}, _)) = true |
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| is_draft _ = false; |
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(* build signature *) |
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fun ext_stamps stamps (id as ref name) = |
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let val stmps = (case stamps of ref "#" :: ss => ss | ss => ss) in |
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if exists (equal name o !) stmps then |
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error ("Theory already contains a " ^ quote name ^ " component") |
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else id :: stmps |
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end; |
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fun create_sign self stamps name (syn, tsig, ctab, (path, spaces), data) = |
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let |
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val id = ref name; |
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val sign = |
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make_sign (id, self, tsig, ctab, syn, path, spaces, data, ext_stamps stamps id); |
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in |
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260 |
(case self of |
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261 |
SgRef (Some r) => r := sign |
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262 |
| _ => sys_error "Sign.create_sign"); |
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|
263 |
sign |
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|
264 |
end; |
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|
265 |
|
3975 | 266 |
fun extend_sign keep extfun name decls |
267 |
(sg as Sg ({id = _, stamps}, {self, tsig, const_tab, syn, path, spaces, data})) = |
|
3967
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268 |
let |
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269 |
val _ = check_stale sg; |
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270 |
val (self', data') = |
3975 | 271 |
if is_draft sg andalso keep then (self, data) |
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272 |
else (SgRef (Some (ref sg)), Data.prep_ext data); |
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273 |
in |
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|
274 |
create_sign self' stamps name |
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275 |
(extfun (syn, tsig, const_tab, (path, spaces), data') decls) |
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276 |
end; |
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277 |
|
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278 |
|
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279 |
|
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|
280 |
(** name spaces **) |
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281 |
|
3805 | 282 |
(*prune names on output by default*) |
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283 |
val long_names = ref false; |
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|
284 |
|
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|
285 |
|
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|
286 |
(* kinds *) |
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287 |
|
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|
288 |
val classK = "class"; |
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|
289 |
val typeK = "type"; |
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|
290 |
val constK = "const"; |
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|
291 |
|
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|
292 |
|
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|
293 |
(* add and retrieve names *) |
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|
294 |
|
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|
295 |
fun space_of spaces kind = |
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|
296 |
if_none (assoc (spaces, kind)) NameSpace.empty; |
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297 |
|
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|
298 |
(*input and output of qualified names*) |
3995 | 299 |
fun intrn spaces kind = NameSpace.intern (space_of spaces kind); |
300 |
fun extrn spaces kind = NameSpace.extern (space_of spaces kind); |
|
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|
301 |
|
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|
302 |
(*add names*) |
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|
303 |
fun add_names spaces kind names = |
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|
304 |
let val space' = NameSpace.extend (names, space_of spaces kind) in |
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|
305 |
overwrite (spaces, (kind, space')) |
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|
306 |
end; |
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|
307 |
|
3810 | 308 |
(*make full names*) |
3937 | 309 |
fun full path name = |
310 |
if NameSpace.qualified name then |
|
311 |
error ("Attempt to declare qualified name " ^ quote name) |
|
312 |
else NameSpace.pack (path @ [name]); |
|
313 |
||
314 |
(*base name*) |
|
315 |
val base_name = NameSpace.base; |
|
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|
316 |
|
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|
317 |
|
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|
318 |
(* intern / extern names *) |
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|
319 |
|
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|
320 |
local |
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|
321 |
(*prepare mapping of names*) |
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|
322 |
fun mapping f add_xs t = |
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|
323 |
let |
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|
324 |
fun f' x = let val y = f x in if x = y then None else Some (x, y) end; |
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|
325 |
val table = mapfilter f' (add_xs (t, [])); |
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|
326 |
fun lookup x = if_none (assoc (table, x)) x; |
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|
327 |
in lookup end; |
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|
328 |
|
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|
329 |
(*intern / extern typ*) |
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|
330 |
fun trn_typ trn T = |
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|
331 |
T |> map_typ |
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|
332 |
(mapping (trn classK) add_typ_classes T) |
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|
333 |
(mapping (trn typeK) add_typ_tycons T); |
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|
334 |
|
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|
335 |
(*intern / extern term*) |
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|
336 |
fun trn_term trn t = |
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|
337 |
t |> map_term |
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|
338 |
(mapping (trn classK) add_term_classes t) |
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|
339 |
(mapping (trn typeK) add_term_tycons t) |
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|
340 |
(mapping (trn constK) add_term_consts t); |
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|
341 |
|
3975 | 342 |
val spaces_of = #spaces o rep_sg; |
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|
343 |
in |
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|
344 |
fun intrn_class spaces = intrn spaces classK; |
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|
345 |
fun extrn_class spaces = extrn spaces classK; |
3937 | 346 |
|
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|
347 |
val intrn_sort = map o intrn_class; |
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|
348 |
val intrn_typ = trn_typ o intrn; |
3937 | 349 |
val intrn_term = trn_term o intrn; |
350 |
||
351 |
val extrn_sort = map o extrn_class; |
|
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|
352 |
val extrn_typ = trn_typ o extrn; |
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|
353 |
val extrn_term = trn_term o extrn; |
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|
354 |
|
3805 | 355 |
fun intrn_tycons spaces T = |
356 |
map_typ I (mapping (intrn spaces typeK) add_typ_tycons T) T; |
|
357 |
||
3810 | 358 |
val intern = intrn o spaces_of; |
3855 | 359 |
val extern = extrn o spaces_of; |
3937 | 360 |
fun cond_extern sg kind = if ! long_names then I else extern sg kind; |
361 |
||
3791
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|
362 |
val intern_class = intrn_class o spaces_of; |
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|
363 |
val intern_sort = intrn_sort o spaces_of; |
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|
364 |
val intern_typ = intrn_typ o spaces_of; |
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|
365 |
val intern_term = intrn_term o spaces_of; |
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|
366 |
|
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|
367 |
fun intern_tycon sg = intrn (spaces_of sg) typeK; |
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|
368 |
fun intern_const sg = intrn (spaces_of sg) constK; |
3937 | 369 |
|
3791
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|
370 |
val intern_tycons = intrn_tycons o spaces_of; |
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|
371 |
|
3975 | 372 |
val full_name = full o #path o rep_sg; |
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|
373 |
end; |
620 | 374 |
|
402 | 375 |
|
0 | 376 |
|
4249 | 377 |
(** pretty printing of terms, types etc. **) |
3937 | 378 |
|
4249 | 379 |
fun pretty_term (sg as Sg ({stamps, ...}, {syn, spaces, ...})) t = |
3937 | 380 |
Syntax.pretty_term syn |
4249 | 381 |
(exists (equal "CPure" o !) stamps) |
3937 | 382 |
(if ! long_names then t else extrn_term spaces t); |
383 |
||
3975 | 384 |
fun pretty_typ (Sg (_, {syn, spaces, ...})) T = |
3937 | 385 |
Syntax.pretty_typ syn |
386 |
(if ! long_names then T else extrn_typ spaces T); |
|
387 |
||
3975 | 388 |
fun pretty_sort (Sg (_, {syn, spaces, ...})) S = |
3937 | 389 |
Syntax.pretty_sort syn |
390 |
(if ! long_names then S else extrn_sort spaces S); |
|
391 |
||
392 |
fun pretty_classrel sg (c1, c2) = Pretty.block |
|
393 |
[pretty_sort sg [c1], Pretty.str " <", Pretty.brk 1, pretty_sort sg [c2]]; |
|
394 |
||
395 |
fun pretty_arity sg (t, Ss, S) = |
|
396 |
let |
|
397 |
val t' = cond_extern sg typeK t; |
|
398 |
val dom = |
|
399 |
if null Ss then [] |
|
400 |
else [Pretty.list "(" ")" (map (pretty_sort sg) Ss), Pretty.brk 1]; |
|
401 |
in |
|
402 |
Pretty.block |
|
403 |
([Pretty.str (t' ^ " ::"), Pretty.brk 1] @ dom @ [pretty_sort sg S]) |
|
404 |
end; |
|
405 |
||
406 |
fun string_of_term sg t = Pretty.string_of (pretty_term sg t); |
|
407 |
fun string_of_typ sg T = Pretty.string_of (pretty_typ sg T); |
|
408 |
fun string_of_sort sg S = Pretty.string_of (pretty_sort sg S); |
|
409 |
||
410 |
fun str_of_sort sg S = Pretty.str_of (pretty_sort sg S); |
|
411 |
fun str_of_classrel sg c1_c2 = Pretty.str_of (pretty_classrel sg c1_c2); |
|
412 |
fun str_of_arity sg ar = Pretty.str_of (pretty_arity sg ar); |
|
413 |
||
414 |
fun pprint_term sg = Pretty.pprint o Pretty.quote o (pretty_term sg); |
|
415 |
fun pprint_typ sg = Pretty.pprint o Pretty.quote o (pretty_typ sg); |
|
416 |
||
417 |
||
418 |
||
562 | 419 |
(** read types **) (*exception ERROR*) |
420 |
||
421 |
fun err_in_type s = |
|
422 |
error ("The error(s) above occurred in type " ^ quote s); |
|
423 |
||
4227 | 424 |
fun rd_raw_typ syn tsig spaces def_sort str = |
3791
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changeset
|
425 |
intrn_tycons spaces |
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changeset
|
426 |
(Syntax.read_typ syn (Type.get_sort tsig def_sort (intrn_sort spaces)) str |
c5db2c87a646
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wenzelm
parents:
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changeset
|
427 |
handle ERROR => err_in_type str); |
4227 | 428 |
|
429 |
fun read_raw_typ (sg as Sg (_, {tsig, syn, spaces, ...}), def_sort) str = |
|
430 |
(check_stale sg; rd_raw_typ syn tsig spaces def_sort str); |
|
431 |
||
562 | 432 |
(*read and certify typ wrt a signature*) |
4227 | 433 |
fun read_typ (sg, def_sort) str = |
434 |
(Type.cert_typ (tsig_of sg) (read_raw_typ (sg, def_sort) str) |
|
3969 | 435 |
handle TYPE (msg, _, _) => (error_msg msg; err_in_type str)); |
562 | 436 |
|
437 |
||
438 |
||
386 | 439 |
(** certify types and terms **) (*exception TYPE*) |
251 | 440 |
|
3975 | 441 |
val certify_typ = Type.cert_typ o tsig_of; |
251 | 442 |
|
2979 | 443 |
(*check for duplicate TVars with distinct sorts*) |
444 |
fun nodup_TVars (tvars, T) = |
|
445 |
(case T of |
|
446 |
Type (_, Ts) => nodup_TVars_list (tvars, Ts) |
|
447 |
| TFree _ => tvars |
|
448 |
| TVar (v as (a, S)) => |
|
449 |
(case assoc_string_int (tvars, a) of |
|
450 |
Some S' => |
|
451 |
if S = S' then tvars |
|
3791
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changeset
|
452 |
else raise TYPE ("Type variable " ^ Syntax.string_of_vname a ^ |
c5db2c87a646
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parents:
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changeset
|
453 |
" has two distinct sorts", [TVar (a, S'), T], []) |
2979 | 454 |
| None => v :: tvars)) |
455 |
(*equivalent to foldl nodup_TVars_list, but 3X faster under Poly/ML*) |
|
456 |
and nodup_TVars_list (tvars, []) = tvars |
|
457 |
| nodup_TVars_list (tvars, T :: Ts) = |
|
458 |
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
|
459 |
|
2979 | 460 |
(*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
|
461 |
fun nodup_Vars tm = |
2979 | 462 |
let |
463 |
fun nodups vars tvars tm = |
|
464 |
(case tm of |
|
465 |
Const (c, T) => (vars, nodup_TVars (tvars, T)) |
|
466 |
| Free (a, T) => (vars, nodup_TVars (tvars, T)) |
|
467 |
| Var (v as (ixn, T)) => |
|
468 |
(case assoc_string_int (vars, ixn) of |
|
469 |
Some T' => |
|
470 |
if T = T' then (vars, nodup_TVars (tvars, T)) |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
471 |
else raise TYPE ("Variable " ^ Syntax.string_of_vname ixn ^ |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
472 |
" has two distinct types", [T', T], []) |
2979 | 473 |
| None => (v :: vars, tvars)) |
474 |
| Bound _ => (vars, tvars) |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
475 |
| Abs (_, T, t) => nodups vars (nodup_TVars (tvars, T)) t |
2979 | 476 |
| s $ t => |
477 |
let val (vars',tvars') = nodups vars tvars s in |
|
478 |
nodups vars' tvars' t |
|
479 |
end); |
|
480 |
in nodups [] [] tm; () end; |
|
481 |
||
251 | 482 |
|
386 | 483 |
fun mapfilt_atoms f (Abs (_, _, t)) = mapfilt_atoms f t |
484 |
| mapfilt_atoms f (t $ u) = mapfilt_atoms f t @ mapfilt_atoms f u |
|
485 |
| mapfilt_atoms f a = (case f a of Some y => [y] | None => []); |
|
0 | 486 |
|
2979 | 487 |
|
3975 | 488 |
fun certify_term sg tm = |
251 | 489 |
let |
3969 | 490 |
val _ = check_stale sg; |
3975 | 491 |
val tsig = tsig_of sg; |
3969 | 492 |
|
3975 | 493 |
fun show_const a T = quote a ^ " :: " ^ quote (string_of_typ sg T); |
169 | 494 |
|
251 | 495 |
fun atom_err (Const (a, T)) = |
3975 | 496 |
(case const_type sg a of |
497 |
None => Some ("Undeclared constant " ^ show_const a T) |
|
498 |
| Some U => |
|
499 |
if Type.typ_instance (tsig, T, U) then None |
|
500 |
else Some ("Illegal type for constant " ^ show_const a T)) |
|
251 | 501 |
| atom_err (Var ((x, i), _)) = |
502 |
if i < 0 then Some ("Negative index for Var " ^ quote x) else None |
|
503 |
| atom_err _ = None; |
|
504 |
||
505 |
val norm_tm = |
|
2185 | 506 |
(case it_term_types (Type.typ_errors tsig) (tm, []) of |
507 |
[] => map_term_types (Type.norm_typ tsig) tm |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
508 |
| 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
|
509 |
val _ = nodup_Vars norm_tm; |
251 | 510 |
in |
386 | 511 |
(case mapfilt_atoms atom_err norm_tm of |
251 | 512 |
[] => (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
|
513 |
| errs => raise TYPE (cat_lines errs, [], [norm_tm])) |
251 | 514 |
end; |
515 |
||
516 |
||
517 |
||
583 | 518 |
(** infer_types **) (*exception ERROR*) |
251 | 519 |
|
2979 | 520 |
(* |
521 |
def_type: partial map from indexnames to types (constrains Frees, Vars) |
|
522 |
def_sort: partial map from indexnames to sorts (constrains TFrees, TVars) |
|
523 |
used: list of already used type variables |
|
524 |
freeze: if true then generated parameters are turned into TFrees, else TVars |
|
4249 | 525 |
|
526 |
termss: lists of alternative parses (only one combination should be type-correct) |
|
527 |
typs: expected types |
|
2979 | 528 |
*) |
529 |
||
4249 | 530 |
fun infer_types_simult sg def_type def_sort used freeze args = |
251 | 531 |
let |
3975 | 532 |
val tsig = tsig_of sg; |
3810 | 533 |
val prt = |
534 |
setmp Syntax.show_brackets true |
|
535 |
(setmp long_names true (pretty_term sg)); |
|
536 |
val prT = setmp long_names true (pretty_typ sg); |
|
4249 | 537 |
|
538 |
val termss = foldr multiply (map fst args, [[]]); |
|
539 |
val typs = |
|
540 |
map (fn (_, T) => certify_typ sg T handle TYPE (msg, _, _) => error msg) args; |
|
169 | 541 |
|
4249 | 542 |
fun infer ts = OK |
543 |
(Type.infer_types prt prT tsig (const_type sg) def_type def_sort |
|
544 |
(intern_const sg) (intern_tycons sg) (intern_sort sg) used freeze typs ts) |
|
545 |
handle TYPE (msg, _, _) => Error msg; |
|
623 | 546 |
|
4249 | 547 |
val err_results = map infer termss; |
548 |
val errs = mapfilter get_error err_results; |
|
549 |
val results = mapfilter get_ok err_results; |
|
550 |
||
551 |
val ambiguity = length termss; (* FIXME !? *) |
|
552 |
(* FIXME to syntax.ML!? *) |
|
553 |
fun ambig_msg () = |
|
554 |
if ambiguity > 1 andalso ambiguity <= ! Syntax.ambiguity_level |
|
555 |
then |
|
556 |
error_msg "Got more than one parse tree.\n\ |
|
3805 | 557 |
\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
|
558 |
else (); |
4249 | 559 |
in |
560 |
if null results then (ambig_msg (); error (cat_lines errs)) |
|
561 |
else if length results = 1 then |
|
562 |
(if ambiguity > ! Syntax.ambiguity_level then |
|
563 |
warning "Fortunately, only one parse tree is type correct.\n\ |
|
564 |
\You may still want to disambiguate your grammar or your input." |
|
565 |
else (); hd results) |
|
566 |
else (ambig_msg (); error ("More than one term is type correct:\n" ^ |
|
567 |
(cat_lines (map (Pretty.string_of o prt) (flat (map fst results)))))) |
|
568 |
end; |
|
623 | 569 |
|
4249 | 570 |
|
571 |
fun infer_types sg def_type def_sort used freeze tsT = |
|
572 |
apfst hd (infer_types_simult sg def_type def_sort used freeze [tsT]); |
|
251 | 573 |
|
574 |
||
2979 | 575 |
|
623 | 576 |
(** extend signature **) (*exception ERROR*) |
577 |
||
620 | 578 |
(** signature extension functions **) (*exception ERROR*) |
386 | 579 |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
580 |
fun decls_of path name_of mfixs = |
3810 | 581 |
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
|
582 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
583 |
fun no_read _ _ _ decl = decl; |
386 | 584 |
|
585 |
||
586 |
(* add default sort *) |
|
587 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
588 |
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
|
589 |
(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
|
590 |
ctab, (path, spaces), data); |
386 | 591 |
|
592 |
||
593 |
(* add type constructors *) |
|
594 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
595 |
fun ext_types (syn, tsig, ctab, (path, spaces), data) types = |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
596 |
let val decls = decls_of path Syntax.type_name types in |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
597 |
(Syntax.extend_type_gram syn types, |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
598 |
Type.ext_tsig_types tsig decls, ctab, |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
599 |
(path, add_names spaces typeK (map fst decls)), data) |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
600 |
end; |
386 | 601 |
|
602 |
||
603 |
(* add type abbreviations *) |
|
604 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
605 |
fun read_abbr syn tsig spaces (t, vs, rhs_src) = |
4227 | 606 |
(t, vs, rd_raw_typ syn tsig spaces (K None) rhs_src) |
386 | 607 |
handle ERROR => error ("in type abbreviation " ^ t); |
608 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
609 |
fun ext_abbrs rd_abbr (syn, tsig, ctab, (path, spaces), data) abbrs = |
386 | 610 |
let |
611 |
fun mfix_of (t, vs, _, mx) = (t, length vs, mx); |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
612 |
val syn' = Syntax.extend_type_gram syn (map mfix_of abbrs); |
386 | 613 |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
614 |
val abbrs' = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
615 |
map (fn (t, vs, rhs, mx) => |
3810 | 616 |
(full path (Syntax.type_name t mx), vs, rhs)) abbrs; |
3805 | 617 |
val spaces' = add_names spaces typeK (map #1 abbrs'); |
618 |
val decls = map (rd_abbr syn' tsig spaces') abbrs'; |
|
386 | 619 |
in |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
620 |
(syn', Type.ext_tsig_abbrs tsig decls, ctab, (path, spaces'), data) |
386 | 621 |
end; |
622 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
623 |
fun ext_tyabbrs abbrs = ext_abbrs read_abbr abbrs; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
624 |
fun ext_tyabbrs_i abbrs = ext_abbrs no_read abbrs; |
386 | 625 |
|
626 |
||
627 |
(* add type arities *) |
|
628 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
629 |
fun ext_arities int (syn, tsig, ctab, (path, spaces), data) arities = |
386 | 630 |
let |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
631 |
fun intrn_arity (c, Ss, S) = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
632 |
(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
|
633 |
val intrn = if int then map intrn_arity else I; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
634 |
val tsig' = Type.ext_tsig_arities tsig (intrn arities); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
635 |
val log_types = Type.logical_types tsig'; |
386 | 636 |
in |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
637 |
(Syntax.extend_log_types syn log_types, tsig', ctab, (path, spaces), data) |
386 | 638 |
end; |
639 |
||
640 |
||
641 |
(* add term constants and syntax *) |
|
642 |
||
3805 | 643 |
fun const_name path c mx = |
3810 | 644 |
full path (Syntax.const_name c mx); |
3805 | 645 |
|
386 | 646 |
fun err_in_const c = |
647 |
error ("in declaration of constant " ^ quote c); |
|
648 |
||
649 |
fun err_dup_consts cs = |
|
650 |
error ("Duplicate declaration of constant(s) " ^ commas_quote cs); |
|
651 |
||
251 | 652 |
|
3805 | 653 |
fun read_const syn tsig (path, spaces) (c, ty_src, mx) = |
4227 | 654 |
(c, rd_raw_typ syn tsig spaces (K None) ty_src, mx) |
3805 | 655 |
handle ERROR => err_in_const (const_name path c mx); |
386 | 656 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
657 |
fun ext_cnsts rd_const syn_only prmode (syn, tsig, ctab, (path, spaces), data) raw_consts = |
386 | 658 |
let |
2979 | 659 |
fun prep_const (c, ty, mx) = |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
660 |
(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
|
661 |
handle TYPE (msg, _, _) => |
3805 | 662 |
(error_msg msg; err_in_const (const_name path c mx)); |
386 | 663 |
|
3805 | 664 |
val consts = map (prep_const o rd_const syn tsig (path, spaces)) raw_consts; |
386 | 665 |
val decls = |
666 |
if syn_only then [] |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
667 |
else decls_of path Syntax.const_name consts; |
386 | 668 |
in |
2197 | 669 |
(Syntax.extend_const_gram syn prmode consts, tsig, |
386 | 670 |
Symtab.extend_new (ctab, decls) |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
671 |
handle Symtab.DUPS cs => err_dup_consts cs, |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
672 |
(path, add_names spaces constK (map fst decls)), data) |
386 | 673 |
end; |
674 |
||
4007 | 675 |
fun ext_consts_i sg = ext_cnsts no_read false ("", true) sg; |
676 |
fun ext_consts sg = ext_cnsts read_const false ("", true) sg; |
|
677 |
fun ext_syntax_i sg = ext_cnsts no_read true ("", true) sg; |
|
678 |
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
|
679 |
fun ext_modesyntax_i sg (prmode, consts) = ext_cnsts no_read true prmode sg consts; |
2197 | 680 |
fun ext_modesyntax sg (prmode, consts) = ext_cnsts read_const true prmode sg consts; |
386 | 681 |
|
682 |
||
683 |
(* add type classes *) |
|
684 |
||
685 |
fun const_of_class c = c ^ "_class"; |
|
686 |
||
687 |
fun class_of_const c_class = |
|
688 |
let |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
689 |
val c = implode (take (size c_class - size "_class", explode c_class)); |
386 | 690 |
in |
691 |
if const_of_class c = c_class then c |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
692 |
else raise TERM ("class_of_const: bad name " ^ quote c_class, []) |
386 | 693 |
end; |
694 |
||
695 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
696 |
fun ext_classes int (syn, tsig, ctab, (path, spaces), data) classes = |
386 | 697 |
let |
562 | 698 |
val names = map fst classes; |
386 | 699 |
val consts = |
700 |
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
|
701 |
|
3810 | 702 |
val full_names = map (full path) names; |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
703 |
val spaces' = add_names spaces classK full_names; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
704 |
val intrn = if int then map (intrn_class spaces') else I; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
705 |
val classes' = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
706 |
ListPair.map (fn (c, (_, cs)) => (c, intrn cs)) (full_names, classes); |
386 | 707 |
in |
708 |
ext_consts_i |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
709 |
(Syntax.extend_consts syn names, |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
710 |
Type.ext_tsig_classes tsig classes', ctab, (path, spaces'), data) |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
711 |
consts |
386 | 712 |
end; |
713 |
||
714 |
||
2963 | 715 |
(* add to classrel *) |
421 | 716 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
717 |
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
|
718 |
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
|
719 |
(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
|
720 |
end; |
421 | 721 |
|
722 |
||
1159 | 723 |
(* add to syntax *) |
386 | 724 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
725 |
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
|
726 |
(extfun syn args, tsig, ctab, names, data); |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
727 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
728 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
729 |
(* add to path *) |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
730 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
731 |
fun ext_path (syn, tsig, ctab, (path, spaces), data) elem = |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
732 |
let |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
733 |
val path' = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
734 |
if elem = ".." andalso not (null path) then fst (split_last path) |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
735 |
else if elem = "/" then [] |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
736 |
else path @ NameSpace.unpack elem; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
737 |
in |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
738 |
(syn, tsig, ctab, (path', spaces), data) |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
739 |
end; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
740 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
741 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
742 |
(* add to name space *) |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
743 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
744 |
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
|
745 |
(syn, tsig, ctab, (path, add_names spaces kind names), data); |
386 | 746 |
|
747 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
748 |
(* signature data *) |
386 | 749 |
|
3995 | 750 |
fun ext_init_data (syn, tsig, ctab, names, data) (kind, (e, ext, mrg, prt)) = |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
751 |
(syn, tsig, ctab, names, Data.init data kind e ext mrg prt); |
386 | 752 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
753 |
fun ext_put_data (syn, tsig, ctab, names, data) (kind, e) = |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
754 |
(syn, tsig, ctab, names, Data.put data kind e); |
386 | 755 |
|
756 |
||
757 |
(* the external interfaces *) |
|
758 |
||
3975 | 759 |
val add_classes = extend_sign true (ext_classes true) "#"; |
760 |
val add_classes_i = extend_sign true (ext_classes false) "#"; |
|
761 |
val add_classrel = extend_sign true (ext_classrel true) "#"; |
|
762 |
val add_classrel_i = extend_sign true (ext_classrel false) "#"; |
|
763 |
val add_defsort = extend_sign true (ext_defsort true) "#"; |
|
764 |
val add_defsort_i = extend_sign true (ext_defsort false) "#"; |
|
765 |
val add_types = extend_sign true ext_types "#"; |
|
766 |
val add_tyabbrs = extend_sign true ext_tyabbrs "#"; |
|
767 |
val add_tyabbrs_i = extend_sign true ext_tyabbrs_i "#"; |
|
768 |
val add_arities = extend_sign true (ext_arities true) "#"; |
|
769 |
val add_arities_i = extend_sign true (ext_arities false) "#"; |
|
770 |
val add_consts = extend_sign true ext_consts "#"; |
|
771 |
val add_consts_i = extend_sign true ext_consts_i "#"; |
|
772 |
val add_syntax = extend_sign true ext_syntax "#"; |
|
773 |
val add_syntax_i = extend_sign true ext_syntax_i "#"; |
|
774 |
val add_modesyntax = extend_sign true ext_modesyntax "#"; |
|
775 |
val add_modesyntax_i = extend_sign true ext_modesyntax_i "#"; |
|
776 |
val add_trfuns = extend_sign true (ext_syn Syntax.extend_trfuns) "#"; |
|
777 |
val add_trfunsT = extend_sign true (ext_syn Syntax.extend_trfunsT) "#"; |
|
778 |
val add_tokentrfuns = extend_sign true (ext_syn Syntax.extend_tokentrfuns) "#"; |
|
779 |
val add_trrules = extend_sign true (ext_syn Syntax.extend_trrules) "#"; |
|
780 |
val add_trrules_i = extend_sign true (ext_syn Syntax.extend_trrules_i) "#"; |
|
781 |
val add_path = extend_sign true ext_path "#"; |
|
782 |
val add_space = extend_sign true ext_space "#"; |
|
783 |
val init_data = extend_sign true ext_init_data "#"; |
|
784 |
val put_data = extend_sign true ext_put_data "#"; |
|
785 |
fun add_name name sg = extend_sign true K name () sg; |
|
786 |
fun prep_ext sg = extend_sign false K "#" () sg; |
|
386 | 787 |
|
788 |
||
3867 | 789 |
|
4017
63878e2587a7
add_typ_classes, add_typ_tycons, add_term_classes, add_term_tycons,
wenzelm
parents:
4007
diff
changeset
|
790 |
(** merge signatures **) (*exception TERM*) |
3867 | 791 |
|
4228
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
792 |
(* merge_stamps *) |
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
793 |
|
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
794 |
fun merge_stamps stamps1 stamps2 = |
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
795 |
let val stamps = merge_rev_lists stamps1 stamps2 in |
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
796 |
(case duplicates (map ! stamps) of |
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
797 |
[] => stamps |
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
798 |
| dups => raise TERM ("Attempt to merge different versions of theories " |
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
799 |
^ commas_quote dups, [])) |
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
800 |
end; |
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
801 |
|
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
802 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
803 |
(* merge of sg_refs -- trivial only *) |
3877 | 804 |
|
4228
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
805 |
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
|
806 |
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
|
807 |
if fast_subsig (sg2, sg1) then sgr1 |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
808 |
else if fast_subsig (sg1, sg2) then sgr2 |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
809 |
else if subsig (sg2, sg1) then sgr1 |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
810 |
else if subsig (sg1, sg2) then sgr2 |
4228
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
811 |
else (merge_stamps s1 s2; (*check for different versions*) |
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
812 |
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
|
813 |
| merge_refs _ = sys_error "Sign.merge_refs"; |
3867 | 814 |
|
815 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
816 |
(* proper merge *) |
143 | 817 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
818 |
fun merge_aux (sg1, sg2) = |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
819 |
if subsig (sg2, sg1) then sg1 |
251 | 820 |
else if subsig (sg1, sg2) then sg2 |
386 | 821 |
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
|
822 |
raise TERM ("Attempt to merge draft signatures", []) |
251 | 823 |
else |
824 |
(*neither is union already; must form union*) |
|
825 |
let |
|
3975 | 826 |
val Sg ({id = _, stamps = stamps1}, {self = _, tsig = tsig1, const_tab = const_tab1, |
827 |
syn = syn1, path = _, spaces = spaces1, data = data1}) = sg1; |
|
828 |
val Sg ({id = _, stamps = stamps2}, {self = _, tsig = tsig2, const_tab = const_tab2, |
|
829 |
syn = syn2, path = _, spaces = spaces2, data = data2}) = sg2; |
|
386 | 830 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
831 |
val id = ref ""; |
3975 | 832 |
val self_ref = ref sg1; (*dummy value*) |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
833 |
val self = SgRef (Some self_ref); |
402 | 834 |
|
4228
22e3f0368c85
merge_refs: check for different versions of theories;
wenzelm
parents:
4227
diff
changeset
|
835 |
val stamps = merge_stamps stamps1 stamps2; |
2185 | 836 |
val tsig = Type.merge_tsigs (tsig1, tsig2); |
251 | 837 |
val const_tab = Symtab.merge (op =) (const_tab1, const_tab2) |
386 | 838 |
handle Symtab.DUPS cs => |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
839 |
raise TERM ("Incompatible types for constant(s) " ^ commas_quote cs, []); |
386 | 840 |
val syn = Syntax.merge_syntaxes syn1 syn2; |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
841 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
842 |
val path = []; |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
843 |
val kinds = distinct (map fst (spaces1 @ spaces2)); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
844 |
val spaces = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
845 |
kinds ~~ |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
846 |
ListPair.map NameSpace.merge |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
847 |
(map (space_of spaces1) kinds, map (space_of spaces2) kinds); |
3867 | 848 |
|
849 |
val data = Data.merge (data1, data2); |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
850 |
|
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
851 |
val sign = make_sign (id, self, tsig, const_tab, syn, path, spaces, data, stamps); |
251 | 852 |
in |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
853 |
self_ref := sign; sign |
251 | 854 |
end; |
143 | 855 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
856 |
fun merge sg1_sg2 = |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
857 |
(case handle_error merge_aux sg1_sg2 of |
3805 | 858 |
OK sg => sg |
859 |
| Error msg => raise TERM (msg, [])); |
|
860 |
||
0 | 861 |
|
862 |
||
3995 | 863 |
(** partial Pure signature **) |
0 | 864 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
865 |
val dummy_sg = make_sign (ref "", SgRef None, Type.tsig0, |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
866 |
Symtab.null, Syntax.pure_syn, [], [], Data.empty, []); |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
867 |
|
3995 | 868 |
val pre_pure = |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
869 |
create_sign (SgRef (Some (ref dummy_sg))) [] "#" |
3995 | 870 |
(Syntax.pure_syn, Type.tsig0, Symtab.null, ([], []), Data.empty); |
0 | 871 |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
872 |
|
0 | 873 |
end; |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
874 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
875 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
876 |
val long_names = Sign.long_names; |