author | wenzelm |
Fri, 31 Oct 1997 15:15:06 +0100 | |
changeset 4051 | 6b72919c9b4b |
parent 4017 | 63878e2587a7 |
child 4052 | 026069ba0316 |
permissions | -rw-r--r-- |
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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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|
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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 print_sg: sg -> unit |
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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 string_of_term: sg -> term -> string |
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val string_of_typ: sg -> typ -> string |
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val string_of_sort: sg -> sort -> string |
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val str_of_sort: sg -> sort -> string |
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val str_of_classrel: sg -> class * class -> string |
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val str_of_arity: sg -> string * sort list * sort -> string |
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val pprint_term: sg -> term -> pprint_args -> unit |
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val pprint_typ: sg -> typ -> pprint_args -> unit |
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val certify_typ: sg -> typ -> typ |
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val certify_term: sg -> term -> term * typ * int |
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val read_typ: sg * (indexname -> sort option) -> string -> typ |
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val infer_types: sg -> (indexname -> typ option) -> |
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(indexname -> sort option) -> string list -> bool |
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-> xterm list * typ -> int * term * (indexname * typ) list |
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val add_classes: (bclass * xclass list) list -> sg -> sg |
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val add_classes_i: (bclass * class list) list -> sg -> sg |
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val add_classrel: (xclass * xclass) list -> sg -> sg |
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val add_classrel_i: (class * class) list -> sg -> sg |
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val add_defsort: xsort -> sg -> sg |
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val add_defsort_i: sort -> sg -> sg |
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val add_types: (bstring * int * mixfix) list -> sg -> sg |
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val add_tyabbrs: (bstring * string list * string * mixfix) list -> sg -> sg |
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val add_tyabbrs_i: (bstring * string list * typ * mixfix) list -> sg -> sg |
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val add_arities: (xstring * xsort list * xsort) list -> sg -> sg |
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val add_arities_i: (string * sort list * sort) list -> sg -> sg |
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val add_consts: (bstring * string * mixfix) list -> sg -> sg |
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val add_consts_i: (bstring * typ * mixfix) list -> sg -> sg |
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val add_syntax: (bstring * string * mixfix) list -> sg -> sg |
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val add_syntax_i: (bstring * typ * mixfix) list -> sg -> sg |
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val add_modesyntax: (string * bool) * (bstring * string * mixfix) list -> sg -> sg |
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val add_modesyntax_i: (string * bool) * (bstring * typ * mixfix) list -> sg -> sg |
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val add_trfuns: |
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(bstring * (ast list -> ast)) list * |
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(bstring * (term list -> term)) list * |
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(bstring * (term list -> term)) list * |
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(bstring * (ast list -> ast)) list -> sg -> sg |
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val add_trfunsT: |
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(bstring * (typ -> term list -> term)) list -> sg -> sg |
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val add_tokentrfuns: |
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(string * string * (string -> string * int)) list -> sg -> sg |
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val add_trrules: (string * string) Syntax.trrule list -> sg -> sg |
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val add_trrules_i: ast Syntax.trrule list -> sg -> sg |
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val add_path: string -> sg -> sg |
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val add_space: string * string list -> sg -> sg |
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val add_name: string -> sg -> sg |
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val init_data: string * (exn * (exn -> exn) * (exn * exn -> exn) * (exn -> unit)) |
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-> sg -> sg |
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val get_data: sg -> string -> exn |
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val put_data: string * exn -> sg -> sg |
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val print_data: sg -> string -> unit |
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val merge_refs: sg_ref * sg_ref -> sg_ref |
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val prep_ext: sg -> sg |
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val merge: sg * sg -> sg |
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val pre_pure: sg |
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val const_of_class: class -> string |
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val class_of_const: string -> class |
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end; |
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structure Sign : SIGN = |
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struct |
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(** datatype sg **) |
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datatype sg = |
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Sg of |
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{id: string ref, (*id*) |
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stamps: string ref list} * (*unique theory indentifier*) |
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{self: sg_ref, (*mutable self reference*) |
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tsig: Type.type_sig, (*order-sorted signature of types*) |
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const_tab: typ Symtab.table, (*type schemes of constants*) |
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syn: Syntax.syntax, (*syntax for parsing and printing*) |
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path: string list, (*current name space entry prefix*) |
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spaces: (string * NameSpace.T) list, (*name spaces for consts, types etc.*) |
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data: Data.T} (*additional data*) |
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and sg_ref = |
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SgRef of sg ref option; |
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(*make signature*) |
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fun make_sign (id, self, tsig, const_tab, syn, path, spaces, data, stamps) = |
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Sg ({id = id, stamps = stamps}, {self = self, tsig = tsig, const_tab = const_tab, |
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syn = syn, path = path, spaces = spaces, data = data}); |
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(* basic components *) |
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fun rep_sg (Sg (_, args)) = args; |
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(*show stamps*) |
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fun stamp_names_of (Sg ({stamps, ...}, _)) = rev (map ! stamps); |
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fun pretty_sg sg = Pretty.str_list "{" "}" (stamp_names_of sg); |
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val str_of_sg = Pretty.str_of o pretty_sg; |
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val pprint_sg = Pretty.pprint o pretty_sg; |
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val tsig_of = #tsig o rep_sg; |
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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 = f (#data (rep_sg sg)) |
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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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(*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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(case self of |
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SgRef (Some r) => r := sign |
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257 |
| _ => sys_error "Sign.create_sign"); |
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258 |
sign |
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259 |
end; |
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|
260 |
|
3975 | 261 |
fun extend_sign keep extfun name decls |
262 |
(sg as Sg ({id = _, stamps}, {self, tsig, const_tab, syn, path, spaces, data})) = |
|
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263 |
let |
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264 |
val _ = check_stale sg; |
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265 |
val (self', data') = |
3975 | 266 |
if is_draft sg andalso keep then (self, data) |
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267 |
else (SgRef (Some (ref sg)), Data.prep_ext data); |
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268 |
in |
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269 |
create_sign self' stamps name |
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270 |
(extfun (syn, tsig, const_tab, (path, spaces), data') decls) |
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271 |
end; |
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272 |
|
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273 |
|
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274 |
|
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275 |
(** name spaces **) |
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276 |
|
3805 | 277 |
(*prune names on output by default*) |
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278 |
val long_names = ref false; |
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279 |
|
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280 |
|
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|
281 |
(* kinds *) |
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282 |
|
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|
283 |
val classK = "class"; |
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|
284 |
val typeK = "type"; |
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|
285 |
val constK = "const"; |
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286 |
|
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|
287 |
|
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|
288 |
(* add and retrieve names *) |
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289 |
|
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290 |
fun space_of spaces kind = |
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291 |
if_none (assoc (spaces, kind)) NameSpace.empty; |
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292 |
|
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293 |
(*input and output of qualified names*) |
3995 | 294 |
fun intrn spaces kind = NameSpace.intern (space_of spaces kind); |
295 |
fun extrn spaces kind = NameSpace.extern (space_of spaces kind); |
|
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296 |
|
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|
297 |
(*add names*) |
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|
298 |
fun add_names spaces kind names = |
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299 |
let val space' = NameSpace.extend (names, space_of spaces kind) in |
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300 |
overwrite (spaces, (kind, space')) |
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|
301 |
end; |
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|
302 |
|
3810 | 303 |
(*make full names*) |
3937 | 304 |
fun full path name = |
305 |
if NameSpace.qualified name then |
|
306 |
error ("Attempt to declare qualified name " ^ quote name) |
|
307 |
else NameSpace.pack (path @ [name]); |
|
308 |
||
309 |
(*base name*) |
|
310 |
val base_name = NameSpace.base; |
|
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|
311 |
|
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312 |
|
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|
313 |
(* intern / extern names *) |
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|
314 |
|
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|
315 |
local |
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|
316 |
(*prepare mapping of names*) |
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|
317 |
fun mapping f add_xs t = |
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318 |
let |
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|
319 |
fun f' x = let val y = f x in if x = y then None else Some (x, y) end; |
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320 |
val table = mapfilter f' (add_xs (t, [])); |
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|
321 |
fun lookup x = if_none (assoc (table, x)) x; |
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|
322 |
in lookup end; |
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|
323 |
|
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|
324 |
(*intern / extern typ*) |
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|
325 |
fun trn_typ trn T = |
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326 |
T |> map_typ |
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327 |
(mapping (trn classK) add_typ_classes T) |
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|
328 |
(mapping (trn typeK) add_typ_tycons T); |
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|
329 |
|
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|
330 |
(*intern / extern term*) |
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|
331 |
fun trn_term trn t = |
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|
332 |
t |> map_term |
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|
333 |
(mapping (trn classK) add_term_classes t) |
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|
334 |
(mapping (trn typeK) add_term_tycons t) |
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|
335 |
(mapping (trn constK) add_term_consts t); |
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|
336 |
|
3975 | 337 |
val spaces_of = #spaces o rep_sg; |
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|
338 |
in |
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|
339 |
fun intrn_class spaces = intrn spaces classK; |
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|
340 |
fun extrn_class spaces = extrn spaces classK; |
3937 | 341 |
|
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|
342 |
val intrn_sort = map o intrn_class; |
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|
343 |
val intrn_typ = trn_typ o intrn; |
3937 | 344 |
val intrn_term = trn_term o intrn; |
345 |
||
346 |
val extrn_sort = map o extrn_class; |
|
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347 |
val extrn_typ = trn_typ o extrn; |
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|
348 |
val extrn_term = trn_term o extrn; |
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|
349 |
|
3805 | 350 |
fun intrn_tycons spaces T = |
351 |
map_typ I (mapping (intrn spaces typeK) add_typ_tycons T) T; |
|
352 |
||
3810 | 353 |
val intern = intrn o spaces_of; |
3855 | 354 |
val extern = extrn o spaces_of; |
3937 | 355 |
fun cond_extern sg kind = if ! long_names then I else extern sg kind; |
356 |
||
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|
357 |
val intern_class = intrn_class o spaces_of; |
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|
358 |
val intern_sort = intrn_sort o spaces_of; |
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|
359 |
val intern_typ = intrn_typ o spaces_of; |
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|
360 |
val intern_term = intrn_term o spaces_of; |
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|
361 |
|
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|
362 |
fun intern_tycon sg = intrn (spaces_of sg) typeK; |
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|
363 |
fun intern_const sg = intrn (spaces_of sg) constK; |
3937 | 364 |
|
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|
365 |
val intern_tycons = intrn_tycons o spaces_of; |
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|
366 |
|
3975 | 367 |
val full_name = full o #path o rep_sg; |
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|
368 |
end; |
620 | 369 |
|
402 | 370 |
|
0 | 371 |
|
3937 | 372 |
(** pretty printing of terms and types **) |
373 |
||
3975 | 374 |
fun pretty_term (sg as Sg (_, {syn, spaces, ...})) t = |
3937 | 375 |
Syntax.pretty_term syn |
3975 | 376 |
("CPure" mem_string (stamp_names_of sg)) |
3937 | 377 |
(if ! long_names then t else extrn_term spaces t); |
378 |
||
3975 | 379 |
fun pretty_typ (Sg (_, {syn, spaces, ...})) T = |
3937 | 380 |
Syntax.pretty_typ syn |
381 |
(if ! long_names then T else extrn_typ spaces T); |
|
382 |
||
3975 | 383 |
fun pretty_sort (Sg (_, {syn, spaces, ...})) S = |
3937 | 384 |
Syntax.pretty_sort syn |
385 |
(if ! long_names then S else extrn_sort spaces S); |
|
386 |
||
387 |
fun pretty_classrel sg (c1, c2) = Pretty.block |
|
388 |
[pretty_sort sg [c1], Pretty.str " <", Pretty.brk 1, pretty_sort sg [c2]]; |
|
389 |
||
390 |
fun pretty_arity sg (t, Ss, S) = |
|
391 |
let |
|
392 |
val t' = cond_extern sg typeK t; |
|
393 |
val dom = |
|
394 |
if null Ss then [] |
|
395 |
else [Pretty.list "(" ")" (map (pretty_sort sg) Ss), Pretty.brk 1]; |
|
396 |
in |
|
397 |
Pretty.block |
|
398 |
([Pretty.str (t' ^ " ::"), Pretty.brk 1] @ dom @ [pretty_sort sg S]) |
|
399 |
end; |
|
400 |
||
401 |
fun string_of_term sg t = Pretty.string_of (pretty_term sg t); |
|
402 |
fun string_of_typ sg T = Pretty.string_of (pretty_typ sg T); |
|
403 |
fun string_of_sort sg S = Pretty.string_of (pretty_sort sg S); |
|
404 |
||
405 |
fun str_of_sort sg S = Pretty.str_of (pretty_sort sg S); |
|
406 |
fun str_of_classrel sg c1_c2 = Pretty.str_of (pretty_classrel sg c1_c2); |
|
407 |
fun str_of_arity sg ar = Pretty.str_of (pretty_arity sg ar); |
|
408 |
||
409 |
fun pprint_term sg = Pretty.pprint o Pretty.quote o (pretty_term sg); |
|
410 |
fun pprint_typ sg = Pretty.pprint o Pretty.quote o (pretty_typ sg); |
|
411 |
||
412 |
||
413 |
||
251 | 414 |
(** print signature **) |
415 |
||
416 |
fun print_sg sg = |
|
417 |
let |
|
3937 | 418 |
fun prt_cls c = pretty_sort sg [c]; |
419 |
fun prt_sort S = pretty_sort sg S; |
|
420 |
fun prt_arity t (c, Ss) = pretty_arity sg (t, Ss, [c]); |
|
421 |
fun prt_typ ty = Pretty.quote (pretty_typ sg ty); |
|
3975 | 422 |
|
423 |
val ext_class = cond_extern sg classK; |
|
424 |
val ext_tycon = cond_extern sg typeK; |
|
425 |
val ext_const = cond_extern sg constK; |
|
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changeset
|
426 |
|
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changeset
|
427 |
|
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|
428 |
fun pretty_space (kind, space) = Pretty.block (Pretty.breaks |
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|
429 |
(map Pretty.str (kind ^ ":" :: map quote (NameSpace.dest space)))); |
251 | 430 |
|
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|
431 |
fun pretty_classes cs = Pretty.block |
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|
432 |
(Pretty.breaks (Pretty.str "classes:" :: map prt_cls cs)); |
251 | 433 |
|
3791
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|
434 |
fun pretty_classrel (c, cs) = Pretty.block |
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|
435 |
(prt_cls c :: Pretty.str " <" :: Pretty.brk 1 :: |
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|
436 |
Pretty.commas (map prt_cls cs)); |
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changeset
|
437 |
|
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|
438 |
fun pretty_default S = Pretty.block |
3937 | 439 |
[Pretty.str "default:", Pretty.brk 1, pretty_sort sg S]; |
251 | 440 |
|
3937 | 441 |
fun pretty_ty (t, n) = Pretty.block |
3975 | 442 |
[Pretty.str (ext_tycon t), Pretty.str (" " ^ string_of_int n)]; |
251 | 443 |
|
3937 | 444 |
fun pretty_abbr (t, (vs, rhs)) = Pretty.block |
445 |
[prt_typ (Type (t, map (fn v => TVar ((v, 0), [])) vs)), |
|
3791
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|
446 |
Pretty.str " =", Pretty.brk 1, prt_typ rhs]; |
251 | 447 |
|
3937 | 448 |
fun pretty_arities (t, ars) = map (prt_arity t) ars; |
251 | 449 |
|
3791
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|
450 |
fun pretty_const (c, ty) = Pretty.block |
3975 | 451 |
[Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ ty]; |
251 | 452 |
|
3975 | 453 |
val Sg (_, {self = _, tsig, const_tab, syn = _, path, spaces, data}) = sg; |
3810 | 454 |
val spaces' = sort (fn ((k1, _), (k2, _)) => k1 < k2) spaces; |
2963 | 455 |
val {classes, classrel, default, tycons, abbrs, arities} = |
2185 | 456 |
Type.rep_tsig tsig; |
3975 | 457 |
val consts = sort_wrt fst (map (apfst ext_const) (Symtab.dest const_tab)); |
251 | 458 |
in |
3975 | 459 |
Pretty.writeln (Pretty.strs ("stamps:" :: stamp_names_of sg)); |
3877 | 460 |
Pretty.writeln (Pretty.strs ("data:" :: Data.kinds data)); |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
461 |
Pretty.writeln (Pretty.strs ["name entry path:", NameSpace.pack path]); |
3810 | 462 |
Pretty.writeln (Pretty.big_list "name spaces:" (map pretty_space spaces')); |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
463 |
Pretty.writeln (pretty_classes classes); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
464 |
Pretty.writeln (Pretty.big_list "class relation:" (map pretty_classrel classrel)); |
251 | 465 |
Pretty.writeln (pretty_default default); |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
466 |
Pretty.writeln (Pretty.big_list "type constructors:" (map pretty_ty tycons)); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
467 |
Pretty.writeln (Pretty.big_list "type abbreviations:" (map pretty_abbr abbrs)); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
468 |
Pretty.writeln (Pretty.big_list "type arities:" (flat (map pretty_arities arities))); |
3975 | 469 |
Pretty.writeln (Pretty.big_list "consts:" (map pretty_const consts)) |
251 | 470 |
end; |
471 |
||
472 |
||
473 |
||
562 | 474 |
(** read types **) (*exception ERROR*) |
475 |
||
476 |
fun err_in_type s = |
|
477 |
error ("The error(s) above occurred in type " ^ quote s); |
|
478 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
479 |
fun read_raw_typ syn tsig spaces def_sort str = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
480 |
intrn_tycons spaces |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
481 |
(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
|
482 |
handle ERROR => err_in_type str); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
483 |
|
562 | 484 |
(*read and certify typ wrt a signature*) |
3975 | 485 |
fun read_typ (sg as Sg (_, {tsig, syn, spaces, ...}), def_sort) str = |
3969 | 486 |
(check_stale sg; |
487 |
Type.cert_typ tsig (read_raw_typ syn tsig spaces def_sort str) |
|
488 |
handle TYPE (msg, _, _) => (error_msg msg; err_in_type str)); |
|
562 | 489 |
|
490 |
||
491 |
||
386 | 492 |
(** certify types and terms **) (*exception TYPE*) |
251 | 493 |
|
3975 | 494 |
val certify_typ = Type.cert_typ o tsig_of; |
251 | 495 |
|
2979 | 496 |
(*check for duplicate TVars with distinct sorts*) |
497 |
fun nodup_TVars (tvars, T) = |
|
498 |
(case T of |
|
499 |
Type (_, Ts) => nodup_TVars_list (tvars, Ts) |
|
500 |
| TFree _ => tvars |
|
501 |
| TVar (v as (a, S)) => |
|
502 |
(case assoc_string_int (tvars, a) of |
|
503 |
Some S' => |
|
504 |
if S = S' then tvars |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
505 |
else raise TYPE ("Type variable " ^ Syntax.string_of_vname a ^ |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
506 |
" has two distinct sorts", [TVar (a, S'), T], []) |
2979 | 507 |
| None => v :: tvars)) |
508 |
(*equivalent to foldl nodup_TVars_list, but 3X faster under Poly/ML*) |
|
509 |
and nodup_TVars_list (tvars, []) = tvars |
|
510 |
| nodup_TVars_list (tvars, T :: Ts) = |
|
511 |
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
|
512 |
|
2979 | 513 |
(*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
|
514 |
fun nodup_Vars tm = |
2979 | 515 |
let |
516 |
fun nodups vars tvars tm = |
|
517 |
(case tm of |
|
518 |
Const (c, T) => (vars, nodup_TVars (tvars, T)) |
|
519 |
| Free (a, T) => (vars, nodup_TVars (tvars, T)) |
|
520 |
| Var (v as (ixn, T)) => |
|
521 |
(case assoc_string_int (vars, ixn) of |
|
522 |
Some T' => |
|
523 |
if T = T' then (vars, nodup_TVars (tvars, T)) |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
524 |
else raise TYPE ("Variable " ^ Syntax.string_of_vname ixn ^ |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
525 |
" has two distinct types", [T', T], []) |
2979 | 526 |
| None => (v :: vars, tvars)) |
527 |
| Bound _ => (vars, tvars) |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
528 |
| Abs (_, T, t) => nodups vars (nodup_TVars (tvars, T)) t |
2979 | 529 |
| s $ t => |
530 |
let val (vars',tvars') = nodups vars tvars s in |
|
531 |
nodups vars' tvars' t |
|
532 |
end); |
|
533 |
in nodups [] [] tm; () end; |
|
534 |
||
251 | 535 |
|
386 | 536 |
fun mapfilt_atoms f (Abs (_, _, t)) = mapfilt_atoms f t |
537 |
| mapfilt_atoms f (t $ u) = mapfilt_atoms f t @ mapfilt_atoms f u |
|
538 |
| mapfilt_atoms f a = (case f a of Some y => [y] | None => []); |
|
0 | 539 |
|
2979 | 540 |
|
3975 | 541 |
fun certify_term sg tm = |
251 | 542 |
let |
3969 | 543 |
val _ = check_stale sg; |
3975 | 544 |
val tsig = tsig_of sg; |
3969 | 545 |
|
3975 | 546 |
fun show_const a T = quote a ^ " :: " ^ quote (string_of_typ sg T); |
169 | 547 |
|
251 | 548 |
fun atom_err (Const (a, T)) = |
3975 | 549 |
(case const_type sg a of |
550 |
None => Some ("Undeclared constant " ^ show_const a T) |
|
551 |
| Some U => |
|
552 |
if Type.typ_instance (tsig, T, U) then None |
|
553 |
else Some ("Illegal type for constant " ^ show_const a T)) |
|
251 | 554 |
| atom_err (Var ((x, i), _)) = |
555 |
if i < 0 then Some ("Negative index for Var " ^ quote x) else None |
|
556 |
| atom_err _ = None; |
|
557 |
||
558 |
val norm_tm = |
|
2185 | 559 |
(case it_term_types (Type.typ_errors tsig) (tm, []) of |
560 |
[] => map_term_types (Type.norm_typ tsig) tm |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
561 |
| 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
|
562 |
val _ = nodup_Vars norm_tm; |
251 | 563 |
in |
386 | 564 |
(case mapfilt_atoms atom_err norm_tm of |
251 | 565 |
[] => (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
|
566 |
| errs => raise TYPE (cat_lines errs, [], [norm_tm])) |
251 | 567 |
end; |
568 |
||
569 |
||
570 |
||
583 | 571 |
(** infer_types **) (*exception ERROR*) |
251 | 572 |
|
2979 | 573 |
(* |
574 |
ts: list of alternative parses (hopefully only one is type-correct) |
|
575 |
T: expected type |
|
576 |
||
577 |
def_type: partial map from indexnames to types (constrains Frees, Vars) |
|
578 |
def_sort: partial map from indexnames to sorts (constrains TFrees, TVars) |
|
579 |
used: list of already used type variables |
|
580 |
freeze: if true then generated parameters are turned into TFrees, else TVars |
|
581 |
*) |
|
582 |
||
583 |
fun infer_types sg def_type def_sort used freeze (ts, T) = |
|
251 | 584 |
let |
3975 | 585 |
val tsig = tsig_of sg; |
3810 | 586 |
val prt = |
587 |
setmp Syntax.show_brackets true |
|
588 |
(setmp long_names true (pretty_term sg)); |
|
589 |
val prT = setmp long_names true (pretty_typ sg); |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
590 |
val infer = Type.infer_types prt prT tsig (const_type sg) def_type def_sort |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
591 |
(intern_const sg) (intern_tycons sg) (intern_sort sg) used freeze; |
169 | 592 |
|
2979 | 593 |
val T' = certify_typ sg T handle TYPE (msg, _, _) => error msg; |
623 | 594 |
|
2979 | 595 |
fun warn () = |
596 |
if length ts > 1 andalso length ts <= ! Syntax.ambiguity_level |
|
952
9e10962866b0
Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents:
949
diff
changeset
|
597 |
then (*no warning shown yet*) |
3805 | 598 |
warning "Got more than one parse tree.\n\ |
599 |
\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
|
600 |
else (); |
623 | 601 |
|
2979 | 602 |
datatype result = |
603 |
One of int * term * (indexname * typ) list | |
|
604 |
Errs of string list | |
|
605 |
Ambigs of term list; |
|
623 | 606 |
|
2979 | 607 |
fun process_term (res, (t, i)) = |
608 |
let val ([u], tye) = infer [T'] [t] in |
|
609 |
(case res of |
|
610 |
One (_, t0, _) => Ambigs ([u, t0]) |
|
611 |
| Errs _ => One (i, u, tye) |
|
612 |
| Ambigs us => Ambigs (u :: us)) |
|
613 |
end handle TYPE (msg, _, _) => |
|
614 |
(case res of |
|
615 |
Errs errs => Errs (msg :: errs) |
|
616 |
| _ => res); |
|
617 |
in |
|
618 |
(case foldl process_term (Errs [], ts ~~ (0 upto (length ts - 1))) of |
|
619 |
One res => |
|
620 |
(if length ts > ! Syntax.ambiguity_level then |
|
3552 | 621 |
warning "Fortunately, only one parse tree is type correct.\n\ |
3805 | 622 |
\You may still want to disambiguate your grammar or your input." |
2979 | 623 |
else (); res) |
624 |
| Errs errs => (warn (); error (cat_lines errs)) |
|
625 |
| Ambigs us => |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
626 |
(warn (); error ("More than one term is type correct:\n" ^ |
2979 | 627 |
(cat_lines (map (Pretty.string_of o prt) us))))) |
623 | 628 |
end; |
251 | 629 |
|
630 |
||
2979 | 631 |
|
623 | 632 |
(** extend signature **) (*exception ERROR*) |
633 |
||
620 | 634 |
(** signature extension functions **) (*exception ERROR*) |
386 | 635 |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
636 |
fun decls_of path name_of mfixs = |
3810 | 637 |
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
|
638 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
639 |
fun no_read _ _ _ decl = decl; |
386 | 640 |
|
641 |
||
642 |
(* add default sort *) |
|
643 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
644 |
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
|
645 |
(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
|
646 |
ctab, (path, spaces), data); |
386 | 647 |
|
648 |
||
649 |
(* add type constructors *) |
|
650 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
651 |
fun ext_types (syn, tsig, ctab, (path, spaces), data) types = |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
652 |
let val decls = decls_of path Syntax.type_name types in |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
653 |
(Syntax.extend_type_gram syn types, |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
654 |
Type.ext_tsig_types tsig decls, ctab, |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
655 |
(path, add_names spaces typeK (map fst decls)), data) |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
656 |
end; |
386 | 657 |
|
658 |
||
659 |
(* add type abbreviations *) |
|
660 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
661 |
fun read_abbr syn tsig spaces (t, vs, rhs_src) = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
662 |
(t, vs, read_raw_typ syn tsig spaces (K None) rhs_src) |
386 | 663 |
handle ERROR => error ("in type abbreviation " ^ t); |
664 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
665 |
fun ext_abbrs rd_abbr (syn, tsig, ctab, (path, spaces), data) abbrs = |
386 | 666 |
let |
667 |
fun mfix_of (t, vs, _, mx) = (t, length vs, mx); |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
668 |
val syn' = Syntax.extend_type_gram syn (map mfix_of abbrs); |
386 | 669 |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
670 |
val abbrs' = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
671 |
map (fn (t, vs, rhs, mx) => |
3810 | 672 |
(full path (Syntax.type_name t mx), vs, rhs)) abbrs; |
3805 | 673 |
val spaces' = add_names spaces typeK (map #1 abbrs'); |
674 |
val decls = map (rd_abbr syn' tsig spaces') abbrs'; |
|
386 | 675 |
in |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
676 |
(syn', Type.ext_tsig_abbrs tsig decls, ctab, (path, spaces'), data) |
386 | 677 |
end; |
678 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
679 |
fun ext_tyabbrs abbrs = ext_abbrs read_abbr abbrs; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
680 |
fun ext_tyabbrs_i abbrs = ext_abbrs no_read abbrs; |
386 | 681 |
|
682 |
||
683 |
(* add type arities *) |
|
684 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
685 |
fun ext_arities int (syn, tsig, ctab, (path, spaces), data) arities = |
386 | 686 |
let |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
687 |
fun intrn_arity (c, Ss, S) = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
688 |
(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
|
689 |
val intrn = if int then map intrn_arity else I; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
690 |
val tsig' = Type.ext_tsig_arities tsig (intrn arities); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
691 |
val log_types = Type.logical_types tsig'; |
386 | 692 |
in |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
693 |
(Syntax.extend_log_types syn log_types, tsig', ctab, (path, spaces), data) |
386 | 694 |
end; |
695 |
||
696 |
||
697 |
(* add term constants and syntax *) |
|
698 |
||
3805 | 699 |
fun const_name path c mx = |
3810 | 700 |
full path (Syntax.const_name c mx); |
3805 | 701 |
|
386 | 702 |
fun err_in_const c = |
703 |
error ("in declaration of constant " ^ quote c); |
|
704 |
||
705 |
fun err_dup_consts cs = |
|
706 |
error ("Duplicate declaration of constant(s) " ^ commas_quote cs); |
|
707 |
||
251 | 708 |
|
3805 | 709 |
fun read_const syn tsig (path, spaces) (c, ty_src, mx) = |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
710 |
(c, read_raw_typ syn tsig spaces (K None) ty_src, mx) |
3805 | 711 |
handle ERROR => err_in_const (const_name path c mx); |
386 | 712 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
713 |
fun ext_cnsts rd_const syn_only prmode (syn, tsig, ctab, (path, spaces), data) raw_consts = |
386 | 714 |
let |
2979 | 715 |
fun prep_const (c, ty, mx) = |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
716 |
(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
|
717 |
handle TYPE (msg, _, _) => |
3805 | 718 |
(error_msg msg; err_in_const (const_name path c mx)); |
386 | 719 |
|
3805 | 720 |
val consts = map (prep_const o rd_const syn tsig (path, spaces)) raw_consts; |
386 | 721 |
val decls = |
722 |
if syn_only then [] |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
723 |
else decls_of path Syntax.const_name consts; |
386 | 724 |
in |
2197 | 725 |
(Syntax.extend_const_gram syn prmode consts, tsig, |
386 | 726 |
Symtab.extend_new (ctab, decls) |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
727 |
handle Symtab.DUPS cs => err_dup_consts cs, |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
728 |
(path, add_names spaces constK (map fst decls)), data) |
386 | 729 |
end; |
730 |
||
4007 | 731 |
fun ext_consts_i sg = ext_cnsts no_read false ("", true) sg; |
732 |
fun ext_consts sg = ext_cnsts read_const false ("", true) sg; |
|
733 |
fun ext_syntax_i sg = ext_cnsts no_read true ("", true) sg; |
|
734 |
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
|
735 |
fun ext_modesyntax_i sg (prmode, consts) = ext_cnsts no_read true prmode sg consts; |
2197 | 736 |
fun ext_modesyntax sg (prmode, consts) = ext_cnsts read_const true prmode sg consts; |
386 | 737 |
|
738 |
||
739 |
(* add type classes *) |
|
740 |
||
741 |
fun const_of_class c = c ^ "_class"; |
|
742 |
||
743 |
fun class_of_const c_class = |
|
744 |
let |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
745 |
val c = implode (take (size c_class - size "_class", explode c_class)); |
386 | 746 |
in |
747 |
if const_of_class c = c_class then c |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
748 |
else raise TERM ("class_of_const: bad name " ^ quote c_class, []) |
386 | 749 |
end; |
750 |
||
751 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
752 |
fun ext_classes int (syn, tsig, ctab, (path, spaces), data) classes = |
386 | 753 |
let |
562 | 754 |
val names = map fst classes; |
386 | 755 |
val consts = |
756 |
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
|
757 |
|
3810 | 758 |
val full_names = map (full path) names; |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
759 |
val spaces' = add_names spaces classK full_names; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
760 |
val intrn = if int then map (intrn_class spaces') else I; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
761 |
val classes' = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
762 |
ListPair.map (fn (c, (_, cs)) => (c, intrn cs)) (full_names, classes); |
386 | 763 |
in |
764 |
ext_consts_i |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
765 |
(Syntax.extend_consts syn names, |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
766 |
Type.ext_tsig_classes tsig classes', ctab, (path, spaces'), data) |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
767 |
consts |
386 | 768 |
end; |
769 |
||
770 |
||
2963 | 771 |
(* add to classrel *) |
421 | 772 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
773 |
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
|
774 |
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
|
775 |
(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
|
776 |
end; |
421 | 777 |
|
778 |
||
1159 | 779 |
(* add to syntax *) |
386 | 780 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
781 |
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
|
782 |
(extfun syn args, tsig, ctab, names, data); |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
783 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
784 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
785 |
(* add to path *) |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
786 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
787 |
fun ext_path (syn, tsig, ctab, (path, spaces), data) elem = |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
788 |
let |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
789 |
val path' = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
790 |
if elem = ".." andalso not (null path) then fst (split_last path) |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
791 |
else if elem = "/" then [] |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
792 |
else path @ NameSpace.unpack elem; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
793 |
in |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
794 |
(syn, tsig, ctab, (path', spaces), data) |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
795 |
end; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
796 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
797 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
798 |
(* add to name space *) |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
799 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
800 |
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
|
801 |
(syn, tsig, ctab, (path, add_names spaces kind names), data); |
386 | 802 |
|
803 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
804 |
(* signature data *) |
386 | 805 |
|
3995 | 806 |
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
|
807 |
(syn, tsig, ctab, names, Data.init data kind e ext mrg prt); |
386 | 808 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
809 |
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
|
810 |
(syn, tsig, ctab, names, Data.put data kind e); |
386 | 811 |
|
812 |
||
813 |
(* the external interfaces *) |
|
814 |
||
3975 | 815 |
val add_classes = extend_sign true (ext_classes true) "#"; |
816 |
val add_classes_i = extend_sign true (ext_classes false) "#"; |
|
817 |
val add_classrel = extend_sign true (ext_classrel true) "#"; |
|
818 |
val add_classrel_i = extend_sign true (ext_classrel false) "#"; |
|
819 |
val add_defsort = extend_sign true (ext_defsort true) "#"; |
|
820 |
val add_defsort_i = extend_sign true (ext_defsort false) "#"; |
|
821 |
val add_types = extend_sign true ext_types "#"; |
|
822 |
val add_tyabbrs = extend_sign true ext_tyabbrs "#"; |
|
823 |
val add_tyabbrs_i = extend_sign true ext_tyabbrs_i "#"; |
|
824 |
val add_arities = extend_sign true (ext_arities true) "#"; |
|
825 |
val add_arities_i = extend_sign true (ext_arities false) "#"; |
|
826 |
val add_consts = extend_sign true ext_consts "#"; |
|
827 |
val add_consts_i = extend_sign true ext_consts_i "#"; |
|
828 |
val add_syntax = extend_sign true ext_syntax "#"; |
|
829 |
val add_syntax_i = extend_sign true ext_syntax_i "#"; |
|
830 |
val add_modesyntax = extend_sign true ext_modesyntax "#"; |
|
831 |
val add_modesyntax_i = extend_sign true ext_modesyntax_i "#"; |
|
832 |
val add_trfuns = extend_sign true (ext_syn Syntax.extend_trfuns) "#"; |
|
833 |
val add_trfunsT = extend_sign true (ext_syn Syntax.extend_trfunsT) "#"; |
|
834 |
val add_tokentrfuns = extend_sign true (ext_syn Syntax.extend_tokentrfuns) "#"; |
|
835 |
val add_trrules = extend_sign true (ext_syn Syntax.extend_trrules) "#"; |
|
836 |
val add_trrules_i = extend_sign true (ext_syn Syntax.extend_trrules_i) "#"; |
|
837 |
val add_path = extend_sign true ext_path "#"; |
|
838 |
val add_space = extend_sign true ext_space "#"; |
|
839 |
val init_data = extend_sign true ext_init_data "#"; |
|
840 |
val put_data = extend_sign true ext_put_data "#"; |
|
841 |
fun add_name name sg = extend_sign true K name () sg; |
|
842 |
fun prep_ext sg = extend_sign false K "#" () sg; |
|
386 | 843 |
|
844 |
||
3867 | 845 |
|
4017
63878e2587a7
add_typ_classes, add_typ_tycons, add_term_classes, add_term_tycons,
wenzelm
parents:
4007
diff
changeset
|
846 |
(** merge signatures **) (*exception TERM*) |
3867 | 847 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
848 |
(* merge of sg_refs -- trivial only *) |
3877 | 849 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
850 |
fun merge_refs (sgr1 as SgRef (Some (ref sg1)), |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
851 |
sgr2 as SgRef (Some (ref sg2))) = |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
852 |
if fast_subsig (sg2, sg1) then sgr1 |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
853 |
else if fast_subsig (sg1, sg2) then sgr2 |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
854 |
else if subsig (sg2, sg1) then sgr1 |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
855 |
else if subsig (sg1, sg2) then sgr2 |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
856 |
else raise TERM ("Attempt to do non-trivial merge of signatures", []) |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
857 |
| merge_refs _ = sys_error "Sign.merge_refs"; |
3867 | 858 |
|
859 |
||
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
860 |
(* proper merge *) |
143 | 861 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
862 |
fun merge_aux (sg1, sg2) = |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
863 |
if subsig (sg2, sg1) then sg1 |
251 | 864 |
else if subsig (sg1, sg2) then sg2 |
386 | 865 |
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
|
866 |
raise TERM ("Attempt to merge draft signatures", []) |
251 | 867 |
else |
868 |
(*neither is union already; must form union*) |
|
869 |
let |
|
3975 | 870 |
val Sg ({id = _, stamps = stamps1}, {self = _, tsig = tsig1, const_tab = const_tab1, |
871 |
syn = syn1, path = _, spaces = spaces1, data = data1}) = sg1; |
|
872 |
val Sg ({id = _, stamps = stamps2}, {self = _, tsig = tsig2, const_tab = const_tab2, |
|
873 |
syn = syn2, path = _, spaces = spaces2, data = data2}) = sg2; |
|
386 | 874 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
875 |
val id = ref ""; |
3975 | 876 |
val self_ref = ref sg1; (*dummy value*) |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
877 |
val self = SgRef (Some self_ref); |
402 | 878 |
val stamps = merge_rev_lists stamps1 stamps2; |
879 |
val _ = |
|
3975 | 880 |
(case duplicates (map ! stamps) of |
402 | 881 |
[] => () |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
882 |
| dups => raise TERM ("Attempt to merge different versions of theories " |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
883 |
^ commas_quote dups, [])); |
402 | 884 |
|
2185 | 885 |
val tsig = Type.merge_tsigs (tsig1, tsig2); |
251 | 886 |
val const_tab = Symtab.merge (op =) (const_tab1, const_tab2) |
386 | 887 |
handle Symtab.DUPS cs => |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
888 |
raise TERM ("Incompatible types for constant(s) " ^ commas_quote cs, []); |
386 | 889 |
val syn = Syntax.merge_syntaxes syn1 syn2; |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
890 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
891 |
val path = []; |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
892 |
val kinds = distinct (map fst (spaces1 @ spaces2)); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
893 |
val spaces = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
894 |
kinds ~~ |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
895 |
ListPair.map NameSpace.merge |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
896 |
(map (space_of spaces1) kinds, map (space_of spaces2) kinds); |
3867 | 897 |
|
898 |
val data = Data.merge (data1, data2); |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
899 |
|
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
900 |
val sign = make_sign (id, self, tsig, const_tab, syn, path, spaces, data, stamps); |
251 | 901 |
in |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
902 |
self_ref := sign; sign |
251 | 903 |
end; |
143 | 904 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
905 |
fun merge sg1_sg2 = |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
906 |
(case handle_error merge_aux sg1_sg2 of |
3805 | 907 |
OK sg => sg |
908 |
| Error msg => raise TERM (msg, [])); |
|
909 |
||
0 | 910 |
|
911 |
||
3995 | 912 |
(** partial Pure signature **) |
0 | 913 |
|
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
914 |
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
|
915 |
Symtab.null, Syntax.pure_syn, [], [], Data.empty, []); |
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
916 |
|
3995 | 917 |
val pre_pure = |
3967
edd5ff9371f8
sg_ref: automatic adjustment of thms of draft theories;
wenzelm
parents:
3956
diff
changeset
|
918 |
create_sign (SgRef (Some (ref dummy_sg))) [] "#" |
3995 | 919 |
(Syntax.pure_syn, Type.tsig0, Symtab.null, ([], []), Data.empty); |
0 | 920 |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
921 |
|
0 | 922 |
end; |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
923 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
924 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
925 |
val long_names = Sign.long_names; |