author | wenzelm |
Mon, 13 Oct 1997 12:48:23 +0200 | |
changeset 3850 | 305e5adfd7c8 |
parent 3810 | 350150bd3744 |
child 3855 | 4bdf32173f6f |
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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The abstract type "sg" of signatures. |
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*) |
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(*external forms*) |
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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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val rep_sg: sg -> |
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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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stamps: string ref list} |
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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 intern: sg -> string -> xstring -> string |
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val extern: sg -> string -> string -> xstring |
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val full_name: sg -> xstring -> string |
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val intern_class: sg -> xclass -> class |
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val extern_class: sg -> class -> xclass |
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val intern_sort: sg -> xsort -> sort |
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val extern_sort: sg -> sort -> xsort |
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val intern_typ: sg -> xtyp -> typ |
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val extern_typ: sg -> typ -> xtyp |
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val intern_term: sg -> xterm -> term |
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val extern_term: sg -> term -> xterm |
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val intern_tycons: sg -> xtyp -> typ |
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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 print_sg: sg -> unit |
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val pretty_sg: sg -> Pretty.T |
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val pprint_sg: sg -> pprint_args -> unit |
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val pretty_term: sg -> term -> Pretty.T |
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val pretty_typ: sg -> typ -> Pretty.T |
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val pretty_sort: sg -> sort -> Pretty.T |
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val string_of_term: sg -> term -> string |
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val string_of_typ: sg -> typ -> string |
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val string_of_sort: sg -> sort -> string |
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val 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: (xclass * xclass list) list -> sg -> sg |
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val add_classes_i: (xclass * 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: (xstring * int * mixfix) list -> sg -> sg |
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val add_tyabbrs: (xstring * string list * string * mixfix) list -> sg -> sg |
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val add_tyabbrs_i: (xstring * 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: (xstring * string * mixfix) list -> sg -> sg |
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val add_consts_i: (xstring * typ * mixfix) list -> sg -> sg |
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val add_syntax: (xstring * string * mixfix) list -> sg -> sg |
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val add_syntax_i: (xstring * typ * mixfix) list -> sg -> sg |
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val add_modesyntax: (string * bool) * (xstring * string * mixfix) list -> sg -> sg |
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val add_modesyntax_i: (string * bool) * (xstring * typ * mixfix) list -> sg -> sg |
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val add_trfuns: |
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(string * (ast list -> ast)) list * |
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(string * (term list -> term)) list * |
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(string * (term list -> term)) list * |
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(string * (ast list -> ast)) list -> sg -> sg |
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val add_trfunsT: |
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(string * (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 make_draft: sg -> sg |
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val merge: sg * sg -> sg |
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val proto_pure: sg |
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val pure: sg |
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val cpure: 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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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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stamps: string ref list}; (*unique theory indentifier*) |
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(*the "ref" in stamps ensures that no two signatures are identical |
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-- it is impossible to forge a signature*) |
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fun rep_sg (Sg args) = args; |
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val tsig_of = #tsig o rep_sg; |
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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 subsig (Sg {stamps = s1, ...}, Sg {stamps = s2, ...}) = |
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s1 = s2 orelse subset_stamp (s1, s2); |
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fun fast_subsig (Sg {stamps = s1, ...}, Sg {stamps = s2, ...}) = |
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s1 = s2 orelse fast_sub (s1, s2); |
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fun eq_sg (Sg {stamps = s1, ...}, Sg {stamps = s2, ...}) = |
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s1 = s2 orelse (subset_stamp (s1, s2) andalso subset_stamp (s2, s1)); |
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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 (Sg {stamps = s1, ...}, Sg {stamps = s2, ...}) = |
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eq_set_string (pairself (map (op !)) (s1, s2)); |
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(*test for drafts*) |
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fun is_draft (Sg {stamps = ref "#" :: _, ...}) = true |
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| is_draft _ = false; |
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(* consts *) |
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fun const_type (Sg {const_tab, ...}) c = Symtab.lookup (const_tab, c); |
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(* classes and sorts *) |
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val classes = #classes o Type.rep_tsig o tsig_of; |
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val subsort = Type.subsort o tsig_of; |
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val norm_sort = Type.norm_sort o tsig_of; |
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val nonempty_sort = Type.nonempty_sort o tsig_of; |
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(** name spaces **) |
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(*prune names on output by default*) |
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val long_names = ref false; |
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(* kinds *) |
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val classK = "class"; |
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val typeK = "type"; |
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val constK = "const"; |
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(* add and retrieve names *) |
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fun space_of spaces kind = |
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if_none (assoc (spaces, kind)) NameSpace.empty; |
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(*input and output of qualified names*) |
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fun intrn spaces kind = NameSpace.lookup (space_of spaces kind); |
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fun extrn spaces kind = NameSpace.prune (space_of spaces kind); |
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(*add names*) |
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fun add_names spaces kind names = |
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let val space' = NameSpace.extend (names, space_of spaces kind) in |
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overwrite (spaces, (kind, space')) |
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end; |
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(*make full names*) |
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fun full path name = NameSpace.pack (path @ NameSpace.unpack name); |
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(* intern / extern names *) |
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local |
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fun add_typ_classes (Type (_, Ts), cs) = foldr add_typ_classes (Ts, cs) |
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| add_typ_classes (TFree (_, S), cs) = S union cs |
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| add_typ_classes (TVar (_, S), cs) = S union cs; |
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fun add_typ_tycons (Type (c, Ts), cs) = foldr add_typ_tycons (Ts, c ins cs) |
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| add_typ_tycons (_, cs) = cs; |
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val add_term_classes = it_term_types add_typ_classes; |
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val add_term_tycons = it_term_types add_typ_tycons; |
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fun add_term_consts (Const (c, _), cs) = c ins cs |
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| add_term_consts (t $ u, cs) = add_term_consts (t, add_term_consts (u, cs)) |
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| add_term_consts (Abs (_, _, t), cs) = add_term_consts (t, cs) |
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| add_term_consts (_, cs) = cs; |
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237 |
|
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|
238 |
(*map classes, tycons*) |
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|
239 |
fun map_typ f g (Type (c, Ts)) = Type (g c, map (map_typ f g) Ts) |
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240 |
| map_typ f _ (TFree (x, S)) = TFree (x, map f S) |
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241 |
| map_typ f _ (TVar (xi, S)) = TVar (xi, map f S); |
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242 |
|
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|
243 |
(*map classes, tycons, consts*) |
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|
244 |
fun map_term f g h (Const (c, T)) = Const (h c, map_typ f g T) |
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245 |
| map_term f g _ (Free (x, T)) = Free (x, map_typ f g T) |
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246 |
| map_term f g _ (Var (xi, T)) = Var (xi, map_typ f g T) |
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247 |
| map_term _ _ _ (t as Bound _) = t |
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|
248 |
| map_term f g h (Abs (x, T, t)) = Abs (x, map_typ f g T, map_term f g h t) |
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|
249 |
| map_term f g h (t $ u) = map_term f g h t $ map_term f g h u; |
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|
250 |
|
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|
251 |
(*prepare mapping of names*) |
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|
252 |
fun mapping f add_xs t = |
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|
253 |
let |
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|
254 |
fun f' x = let val y = f x in if x = y then None else Some (x, y) end; |
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|
255 |
val table = mapfilter f' (add_xs (t, [])); |
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|
256 |
fun lookup x = if_none (assoc (table, x)) x; |
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|
257 |
in lookup end; |
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|
258 |
|
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|
259 |
(*intern / extern typ*) |
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|
260 |
fun trn_typ trn T = |
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|
261 |
T |> map_typ |
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|
262 |
(mapping (trn classK) add_typ_classes T) |
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|
263 |
(mapping (trn typeK) add_typ_tycons T); |
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|
264 |
|
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|
265 |
(*intern / extern term*) |
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|
266 |
fun trn_term trn t = |
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|
267 |
t |> map_term |
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|
268 |
(mapping (trn classK) add_term_classes t) |
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|
269 |
(mapping (trn typeK) add_term_tycons t) |
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|
270 |
(mapping (trn constK) add_term_consts t); |
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|
271 |
|
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|
272 |
|
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|
273 |
fun spaces_of (Sg {spaces, ...}) = spaces; |
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|
274 |
|
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275 |
in |
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|
276 |
|
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|
277 |
fun intrn_class spaces = intrn spaces classK; |
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|
278 |
fun extrn_class spaces = extrn spaces classK; |
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|
279 |
val intrn_sort = map o intrn_class; |
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|
280 |
val extrn_sort = map o extrn_class; |
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|
281 |
val intrn_typ = trn_typ o intrn; |
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|
282 |
val extrn_typ = trn_typ o extrn; |
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|
283 |
val intrn_term = trn_term o intrn; |
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|
284 |
val extrn_term = trn_term o extrn; |
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|
285 |
|
3805 | 286 |
fun intrn_tycons spaces T = |
287 |
map_typ I (mapping (intrn spaces typeK) add_typ_tycons T) T; |
|
288 |
||
3810 | 289 |
val intern = intrn o spaces_of; |
290 |
val extern = intrn o spaces_of; |
|
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|
291 |
val intern_class = intrn_class o spaces_of; |
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|
292 |
val extern_class = extrn_class o spaces_of; |
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|
293 |
val intern_sort = intrn_sort o spaces_of; |
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|
294 |
val extern_sort = extrn_sort o spaces_of; |
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|
295 |
val intern_typ = intrn_typ o spaces_of; |
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|
296 |
val extern_typ = extrn_typ o spaces_of; |
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|
297 |
val intern_term = intrn_term o spaces_of; |
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|
298 |
val extern_term = extrn_term o spaces_of; |
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|
299 |
|
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|
300 |
fun intern_tycon sg = intrn (spaces_of sg) typeK; |
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|
301 |
fun intern_const sg = intrn (spaces_of sg) constK; |
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|
302 |
val intern_tycons = intrn_tycons o spaces_of; |
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|
303 |
|
3810 | 304 |
fun full_name (Sg {path, ...}) = full path; |
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|
305 |
end; |
620 | 306 |
|
402 | 307 |
|
0 | 308 |
|
251 | 309 |
(** print signature **) |
310 |
||
2228
f381c1a98209
Eta-expansion of a function definition, for value polymorphism
paulson
parents:
2211
diff
changeset
|
311 |
fun stamp_names stamps = rev (map ! stamps); |
386 | 312 |
|
251 | 313 |
fun print_sg sg = |
314 |
let |
|
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|
315 |
val Sg {syn, ...} = sg; |
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|
316 |
|
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|
317 |
fun prt_typ ty = Pretty.quote (Syntax.pretty_typ syn ty); |
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|
318 |
fun prt_cls c = Syntax.pretty_sort syn [c]; |
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|
319 |
|
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|
320 |
fun pretty_space (kind, space) = Pretty.block (Pretty.breaks |
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|
321 |
(map Pretty.str (kind ^ ":" :: map quote (NameSpace.dest space)))); |
251 | 322 |
|
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|
323 |
fun pretty_classes cs = Pretty.block |
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|
324 |
(Pretty.breaks (Pretty.str "classes:" :: map prt_cls cs)); |
251 | 325 |
|
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|
326 |
fun pretty_classrel (c, cs) = Pretty.block |
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|
327 |
(prt_cls c :: Pretty.str " <" :: Pretty.brk 1 :: |
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|
328 |
Pretty.commas (map prt_cls cs)); |
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|
329 |
|
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|
330 |
fun pretty_default S = Pretty.block |
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|
331 |
[Pretty.str "default:", Pretty.brk 1, Syntax.pretty_sort syn S]; |
251 | 332 |
|
963 | 333 |
fun pretty_ty (ty, n) = Pretty.str (ty ^ " " ^ string_of_int n); |
251 | 334 |
|
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|
335 |
fun pretty_abbr (ty, (vs, rhs)) = Pretty.block |
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|
336 |
[prt_typ (Type (ty, map (fn v => TVar ((v, 0), [])) vs)), |
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|
337 |
Pretty.str " =", Pretty.brk 1, prt_typ rhs]; |
251 | 338 |
|
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|
339 |
fun pretty_arity ty (c, []) = Pretty.block |
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|
340 |
[Pretty.str (ty ^ " ::"), Pretty.brk 1, prt_cls c] |
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|
341 |
| pretty_arity ty (c, Ss) = Pretty.block |
251 | 342 |
[Pretty.str (ty ^ " ::"), Pretty.brk 1, |
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|
343 |
Pretty.list "(" ")" (map (Syntax.pretty_sort syn) Ss), |
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|
344 |
Pretty.brk 1, prt_cls c]; |
251 | 345 |
|
963 | 346 |
fun pretty_arities (ty, ars) = map (pretty_arity ty) ars; |
251 | 347 |
|
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|
348 |
fun pretty_const (c, ty) = Pretty.block |
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|
349 |
[Pretty.str (quote c ^ " ::"), Pretty.brk 1, prt_typ ty]; |
251 | 350 |
|
3805 | 351 |
val Sg {tsig, const_tab, syn = _, path, spaces, stamps} = sg; |
3810 | 352 |
val spaces' = sort (fn ((k1, _), (k2, _)) => k1 < k2) spaces; |
2963 | 353 |
val {classes, classrel, default, tycons, abbrs, arities} = |
2185 | 354 |
Type.rep_tsig tsig; |
251 | 355 |
in |
386 | 356 |
Pretty.writeln (Pretty.strs ("stamps:" :: stamp_names stamps)); |
3791
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|
357 |
Pretty.writeln (Pretty.strs ["name entry path:", NameSpace.pack path]); |
3810 | 358 |
Pretty.writeln (Pretty.big_list "name spaces:" (map pretty_space spaces')); |
3791
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changeset
|
359 |
Pretty.writeln (pretty_classes classes); |
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changeset
|
360 |
Pretty.writeln (Pretty.big_list "class relation:" (map pretty_classrel classrel)); |
251 | 361 |
Pretty.writeln (pretty_default default); |
3791
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|
362 |
Pretty.writeln (Pretty.big_list "type constructors:" (map pretty_ty tycons)); |
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|
363 |
Pretty.writeln (Pretty.big_list "type abbreviations:" (map pretty_abbr abbrs)); |
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|
364 |
Pretty.writeln (Pretty.big_list "type arities:" (flat (map pretty_arities arities))); |
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|
365 |
Pretty.writeln (Pretty.big_list "consts:" (map pretty_const (Symtab.dest const_tab))) |
251 | 366 |
end; |
367 |
||
368 |
||
562 | 369 |
fun pretty_sg (Sg {stamps, ...}) = |
370 |
Pretty.str_list "{" "}" (stamp_names stamps); |
|
371 |
||
372 |
val pprint_sg = Pretty.pprint o pretty_sg; |
|
251 | 373 |
|
374 |
||
375 |
||
376 |
(** pretty printing of terms and types **) |
|
377 |
||
3791
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changeset
|
378 |
fun pretty_term (Sg {syn, spaces, stamps, ...}) t = |
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changeset
|
379 |
Syntax.pretty_term syn |
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changeset
|
380 |
("CPure" mem_string (map ! stamps)) |
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changeset
|
381 |
(if ! long_names then t else extrn_term spaces t); |
922
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
901
diff
changeset
|
382 |
|
3791
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changeset
|
383 |
fun pretty_typ (Sg {syn, spaces, ...}) T = |
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changeset
|
384 |
Syntax.pretty_typ syn |
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changeset
|
385 |
(if ! long_names then T else extrn_typ spaces T); |
251 | 386 |
|
3791
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changeset
|
387 |
fun pretty_sort (Sg {syn, spaces, ...}) S = |
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changeset
|
388 |
Syntax.pretty_sort syn |
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changeset
|
389 |
(if ! long_names then S else extrn_sort spaces S); |
922
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
901
diff
changeset
|
390 |
|
3791
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changeset
|
391 |
|
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changeset
|
392 |
fun string_of_term sg t = Pretty.string_of (pretty_term sg t); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
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diff
changeset
|
393 |
fun string_of_typ sg T = Pretty.string_of (pretty_typ sg T); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
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parents:
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diff
changeset
|
394 |
fun string_of_sort sg S = Pretty.string_of (pretty_sort sg S); |
251 | 395 |
|
396 |
fun pprint_term sg = Pretty.pprint o Pretty.quote o (pretty_term sg); |
|
397 |
fun pprint_typ sg = Pretty.pprint o Pretty.quote o (pretty_typ sg); |
|
0 | 398 |
|
399 |
||
169 | 400 |
|
562 | 401 |
(** read types **) (*exception ERROR*) |
402 |
||
403 |
fun err_in_type s = |
|
404 |
error ("The error(s) above occurred in type " ^ quote s); |
|
405 |
||
3791
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now supports qualified names (intern vs. extern) !!!
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parents:
3552
diff
changeset
|
406 |
fun read_raw_typ syn tsig spaces def_sort str = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
407 |
intrn_tycons spaces |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
408 |
(Syntax.read_typ syn (Type.get_sort tsig def_sort (intrn_sort spaces)) str |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
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diff
changeset
|
409 |
handle ERROR => err_in_type str); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
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diff
changeset
|
410 |
|
562 | 411 |
(*read and certify typ wrt a signature*) |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
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parents:
3552
diff
changeset
|
412 |
fun read_typ (Sg {tsig, syn, spaces, ...}, def_sort) str = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
413 |
Type.cert_typ tsig (read_raw_typ syn tsig spaces def_sort str) |
3552 | 414 |
handle TYPE (msg, _, _) => (error_msg msg; err_in_type str); |
562 | 415 |
|
416 |
||
417 |
||
386 | 418 |
(** certify types and terms **) (*exception TYPE*) |
251 | 419 |
|
2185 | 420 |
fun certify_typ (Sg {tsig, ...}) ty = Type.cert_typ tsig ty; |
251 | 421 |
|
2979 | 422 |
(*check for duplicate TVars with distinct sorts*) |
423 |
fun nodup_TVars (tvars, T) = |
|
424 |
(case T of |
|
425 |
Type (_, Ts) => nodup_TVars_list (tvars, Ts) |
|
426 |
| TFree _ => tvars |
|
427 |
| TVar (v as (a, S)) => |
|
428 |
(case assoc_string_int (tvars, a) of |
|
429 |
Some S' => |
|
430 |
if S = S' then tvars |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
431 |
else raise TYPE ("Type variable " ^ Syntax.string_of_vname a ^ |
c5db2c87a646
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wenzelm
parents:
3552
diff
changeset
|
432 |
" has two distinct sorts", [TVar (a, S'), T], []) |
2979 | 433 |
| None => v :: tvars)) |
434 |
(*equivalent to foldl nodup_TVars_list, but 3X faster under Poly/ML*) |
|
435 |
and nodup_TVars_list (tvars, []) = tvars |
|
436 |
| nodup_TVars_list (tvars, T :: Ts) = |
|
437 |
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
|
438 |
|
2979 | 439 |
(*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
|
440 |
fun nodup_Vars tm = |
2979 | 441 |
let |
442 |
fun nodups vars tvars tm = |
|
443 |
(case tm of |
|
444 |
Const (c, T) => (vars, nodup_TVars (tvars, T)) |
|
445 |
| Free (a, T) => (vars, nodup_TVars (tvars, T)) |
|
446 |
| Var (v as (ixn, T)) => |
|
447 |
(case assoc_string_int (vars, ixn) of |
|
448 |
Some T' => |
|
449 |
if T = T' then (vars, nodup_TVars (tvars, T)) |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
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parents:
3552
diff
changeset
|
450 |
else raise TYPE ("Variable " ^ Syntax.string_of_vname ixn ^ |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
451 |
" has two distinct types", [T', T], []) |
2979 | 452 |
| None => (v :: vars, tvars)) |
453 |
| Bound _ => (vars, tvars) |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
454 |
| Abs (_, T, t) => nodups vars (nodup_TVars (tvars, T)) t |
2979 | 455 |
| s $ t => |
456 |
let val (vars',tvars') = nodups vars tvars s in |
|
457 |
nodups vars' tvars' t |
|
458 |
end); |
|
459 |
in nodups [] [] tm; () end; |
|
460 |
||
251 | 461 |
|
386 | 462 |
fun mapfilt_atoms f (Abs (_, _, t)) = mapfilt_atoms f t |
463 |
| mapfilt_atoms f (t $ u) = mapfilt_atoms f t @ mapfilt_atoms f u |
|
464 |
| mapfilt_atoms f a = (case f a of Some y => [y] | None => []); |
|
0 | 465 |
|
2979 | 466 |
|
386 | 467 |
fun certify_term (sg as Sg {tsig, ...}) tm = |
251 | 468 |
let |
469 |
fun valid_const a T = |
|
386 | 470 |
(case const_type sg a of |
2185 | 471 |
Some U => Type.typ_instance (tsig, T, U) |
251 | 472 |
| _ => false); |
169 | 473 |
|
251 | 474 |
fun atom_err (Const (a, T)) = |
475 |
if valid_const a T then None |
|
476 |
else Some ("Illegal type for constant " ^ quote a ^ " :: " ^ |
|
477 |
quote (string_of_typ sg T)) |
|
478 |
| atom_err (Var ((x, i), _)) = |
|
479 |
if i < 0 then Some ("Negative index for Var " ^ quote x) else None |
|
480 |
| atom_err _ = None; |
|
481 |
||
482 |
val norm_tm = |
|
2185 | 483 |
(case it_term_types (Type.typ_errors tsig) (tm, []) of |
484 |
[] => map_term_types (Type.norm_typ tsig) tm |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
485 |
| 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
|
486 |
val _ = nodup_Vars norm_tm; |
251 | 487 |
in |
386 | 488 |
(case mapfilt_atoms atom_err norm_tm of |
251 | 489 |
[] => (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
|
490 |
| errs => raise TYPE (cat_lines errs, [], [norm_tm])) |
251 | 491 |
end; |
492 |
||
493 |
||
494 |
||
583 | 495 |
(** infer_types **) (*exception ERROR*) |
251 | 496 |
|
2979 | 497 |
(* |
498 |
ts: list of alternative parses (hopefully only one is type-correct) |
|
499 |
T: expected type |
|
500 |
||
501 |
def_type: partial map from indexnames to types (constrains Frees, Vars) |
|
502 |
def_sort: partial map from indexnames to sorts (constrains TFrees, TVars) |
|
503 |
used: list of already used type variables |
|
504 |
freeze: if true then generated parameters are turned into TFrees, else TVars |
|
505 |
*) |
|
506 |
||
507 |
fun infer_types sg def_type def_sort used freeze (ts, T) = |
|
251 | 508 |
let |
562 | 509 |
val Sg {tsig, ...} = sg; |
3810 | 510 |
val prt = |
511 |
setmp Syntax.show_brackets true |
|
512 |
(setmp long_names true (pretty_term sg)); |
|
513 |
val prT = setmp long_names true (pretty_typ sg); |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
514 |
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
|
515 |
(intern_const sg) (intern_tycons sg) (intern_sort sg) used freeze; |
169 | 516 |
|
2979 | 517 |
val T' = certify_typ sg T handle TYPE (msg, _, _) => error msg; |
623 | 518 |
|
2979 | 519 |
fun warn () = |
520 |
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
|
521 |
then (*no warning shown yet*) |
3805 | 522 |
warning "Got more than one parse tree.\n\ |
523 |
\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
|
524 |
else (); |
623 | 525 |
|
2979 | 526 |
datatype result = |
527 |
One of int * term * (indexname * typ) list | |
|
528 |
Errs of string list | |
|
529 |
Ambigs of term list; |
|
623 | 530 |
|
2979 | 531 |
fun process_term (res, (t, i)) = |
532 |
let val ([u], tye) = infer [T'] [t] in |
|
533 |
(case res of |
|
534 |
One (_, t0, _) => Ambigs ([u, t0]) |
|
535 |
| Errs _ => One (i, u, tye) |
|
536 |
| Ambigs us => Ambigs (u :: us)) |
|
537 |
end handle TYPE (msg, _, _) => |
|
538 |
(case res of |
|
539 |
Errs errs => Errs (msg :: errs) |
|
540 |
| _ => res); |
|
541 |
in |
|
542 |
(case foldl process_term (Errs [], ts ~~ (0 upto (length ts - 1))) of |
|
543 |
One res => |
|
544 |
(if length ts > ! Syntax.ambiguity_level then |
|
3552 | 545 |
warning "Fortunately, only one parse tree is type correct.\n\ |
3805 | 546 |
\You may still want to disambiguate your grammar or your input." |
2979 | 547 |
else (); res) |
548 |
| Errs errs => (warn (); error (cat_lines errs)) |
|
549 |
| Ambigs us => |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
550 |
(warn (); error ("More than one term is type correct:\n" ^ |
2979 | 551 |
(cat_lines (map (Pretty.string_of o prt) us))))) |
623 | 552 |
end; |
251 | 553 |
|
554 |
||
2979 | 555 |
|
623 | 556 |
(** extend signature **) (*exception ERROR*) |
557 |
||
620 | 558 |
(** signature extension functions **) (*exception ERROR*) |
386 | 559 |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
560 |
fun decls_of path name_of mfixs = |
3810 | 561 |
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
|
562 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
563 |
fun no_read _ _ _ decl = decl; |
386 | 564 |
|
565 |
||
566 |
(* add default sort *) |
|
567 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
568 |
fun ext_defsort int (syn, tsig, ctab, (path, spaces)) S = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
569 |
(syn, Type.ext_tsig_defsort tsig (if int then intrn_sort spaces S else S), |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
570 |
ctab, (path, spaces)); |
386 | 571 |
|
572 |
||
573 |
(* add type constructors *) |
|
574 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
575 |
fun ext_types (syn, tsig, ctab, (path, spaces)) types = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
576 |
let val decls = decls_of path Syntax.type_name types in |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
577 |
(Syntax.extend_type_gram syn types, |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
578 |
Type.ext_tsig_types tsig decls, ctab, |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
579 |
(path, add_names spaces typeK (map fst decls))) |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
580 |
end; |
386 | 581 |
|
582 |
||
583 |
(* add type abbreviations *) |
|
584 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
585 |
fun read_abbr syn tsig spaces (t, vs, rhs_src) = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
586 |
(t, vs, read_raw_typ syn tsig spaces (K None) rhs_src) |
386 | 587 |
handle ERROR => error ("in type abbreviation " ^ t); |
588 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
589 |
fun ext_abbrs rd_abbr (syn, tsig, ctab, (path, spaces)) abbrs = |
386 | 590 |
let |
591 |
fun mfix_of (t, vs, _, mx) = (t, length vs, mx); |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
592 |
val syn' = Syntax.extend_type_gram syn (map mfix_of abbrs); |
386 | 593 |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
594 |
val abbrs' = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
595 |
map (fn (t, vs, rhs, mx) => |
3810 | 596 |
(full path (Syntax.type_name t mx), vs, rhs)) abbrs; |
3805 | 597 |
val spaces' = add_names spaces typeK (map #1 abbrs'); |
598 |
val decls = map (rd_abbr syn' tsig spaces') abbrs'; |
|
386 | 599 |
in |
3805 | 600 |
(syn', Type.ext_tsig_abbrs tsig decls, ctab, (path, spaces')) |
386 | 601 |
end; |
602 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
603 |
fun ext_tyabbrs abbrs = ext_abbrs read_abbr abbrs; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
604 |
fun ext_tyabbrs_i abbrs = ext_abbrs no_read abbrs; |
386 | 605 |
|
606 |
||
607 |
(* add type arities *) |
|
608 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
609 |
fun ext_arities int (syn, tsig, ctab, (path, spaces)) arities = |
386 | 610 |
let |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
611 |
fun intrn_arity (c, Ss, S) = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
612 |
(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
|
613 |
val intrn = if int then map intrn_arity else I; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
614 |
val tsig' = Type.ext_tsig_arities tsig (intrn arities); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
615 |
val log_types = Type.logical_types tsig'; |
386 | 616 |
in |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
617 |
(Syntax.extend_log_types syn log_types, tsig', ctab, (path, spaces)) |
386 | 618 |
end; |
619 |
||
620 |
||
621 |
(* add term constants and syntax *) |
|
622 |
||
3805 | 623 |
fun const_name path c mx = |
3810 | 624 |
full path (Syntax.const_name c mx); |
3805 | 625 |
|
386 | 626 |
fun err_in_const c = |
627 |
error ("in declaration of constant " ^ quote c); |
|
628 |
||
629 |
fun err_dup_consts cs = |
|
630 |
error ("Duplicate declaration of constant(s) " ^ commas_quote cs); |
|
631 |
||
251 | 632 |
|
3805 | 633 |
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
|
634 |
(c, read_raw_typ syn tsig spaces (K None) ty_src, mx) |
3805 | 635 |
handle ERROR => err_in_const (const_name path c mx); |
386 | 636 |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
637 |
fun ext_cnsts rd_const syn_only prmode (syn, tsig, ctab, (path, spaces)) raw_consts = |
386 | 638 |
let |
2979 | 639 |
fun prep_const (c, ty, mx) = |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
640 |
(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
|
641 |
handle TYPE (msg, _, _) => |
3805 | 642 |
(error_msg msg; err_in_const (const_name path c mx)); |
386 | 643 |
|
3805 | 644 |
val consts = map (prep_const o rd_const syn tsig (path, spaces)) raw_consts; |
386 | 645 |
val decls = |
646 |
if syn_only then [] |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
647 |
else decls_of path Syntax.const_name consts; |
386 | 648 |
in |
2197 | 649 |
(Syntax.extend_const_gram syn prmode consts, tsig, |
386 | 650 |
Symtab.extend_new (ctab, decls) |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
651 |
handle Symtab.DUPS cs => err_dup_consts cs, |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
652 |
(path, add_names spaces constK (map fst decls))) |
386 | 653 |
end; |
654 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
655 |
val ext_consts_i = ext_cnsts no_read false ("", true); |
2359 | 656 |
val ext_consts = ext_cnsts read_const false ("", true); |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
657 |
val ext_syntax_i = ext_cnsts no_read true ("", true); |
2359 | 658 |
val ext_syntax = ext_cnsts read_const true ("", true); |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
659 |
fun ext_modesyntax_i sg (prmode, consts) = ext_cnsts no_read true prmode sg consts; |
2197 | 660 |
fun ext_modesyntax sg (prmode, consts) = ext_cnsts read_const true prmode sg consts; |
386 | 661 |
|
662 |
||
663 |
(* add type classes *) |
|
664 |
||
665 |
fun const_of_class c = c ^ "_class"; |
|
666 |
||
667 |
fun class_of_const c_class = |
|
668 |
let |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
669 |
val c = implode (take (size c_class - size "_class", explode c_class)); |
386 | 670 |
in |
671 |
if const_of_class c = c_class then c |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
672 |
else raise TERM ("class_of_const: bad name " ^ quote c_class, []) |
386 | 673 |
end; |
674 |
||
675 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
676 |
fun ext_classes int (syn, tsig, ctab, (path, spaces)) classes = |
386 | 677 |
let |
562 | 678 |
val names = map fst classes; |
386 | 679 |
val consts = |
680 |
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
|
681 |
|
3810 | 682 |
val full_names = map (full path) names; |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
683 |
val spaces' = add_names spaces classK full_names; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
684 |
val intrn = if int then map (intrn_class spaces') else I; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
685 |
val classes' = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
686 |
ListPair.map (fn (c, (_, cs)) => (c, intrn cs)) (full_names, classes); |
386 | 687 |
in |
688 |
ext_consts_i |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
689 |
(Syntax.extend_consts syn names, |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
690 |
Type.ext_tsig_classes tsig classes', ctab, (path, spaces')) |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
691 |
consts |
386 | 692 |
end; |
693 |
||
694 |
||
2963 | 695 |
(* add to classrel *) |
421 | 696 |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
697 |
fun ext_classrel int (syn, tsig, ctab, (path, spaces)) pairs = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
698 |
let val intrn = if int then map (pairself (intrn_class spaces)) else I in |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
699 |
(syn, Type.ext_tsig_classrel tsig (intrn pairs), ctab, (path, spaces)) |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
700 |
end; |
421 | 701 |
|
702 |
||
1159 | 703 |
(* add to syntax *) |
386 | 704 |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
705 |
fun ext_syn extfun (syn, tsig, ctab, names) args = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
706 |
(extfun syn args, tsig, ctab, names); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
707 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
708 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
709 |
(* add to path *) |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
710 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
711 |
fun ext_path (syn, tsig, ctab, (path, spaces)) elem = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
712 |
let |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
713 |
val path' = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
714 |
if elem = ".." andalso not (null path) then fst (split_last path) |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
715 |
else if elem = "/" then [] |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
716 |
else path @ NameSpace.unpack elem; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
717 |
in |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
718 |
(syn, tsig, ctab, (path', spaces)) |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
719 |
end; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
720 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
721 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
722 |
(* add to name space *) |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
723 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
724 |
fun ext_space (syn, tsig, ctab, (path, spaces)) (kind, names) = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
725 |
(syn, tsig, ctab, (path, add_names spaces kind names)); |
386 | 726 |
|
727 |
||
728 |
(* build signature *) |
|
729 |
||
730 |
fun ext_stamps stamps name = |
|
731 |
let |
|
732 |
val stmps = (case stamps of ref "#" :: ss => ss | ss => ss); |
|
733 |
in |
|
734 |
if exists (equal name o !) stmps then |
|
735 |
error ("Theory already contains a " ^ quote name ^ " component") |
|
402 | 736 |
else ref name :: stmps |
386 | 737 |
end; |
738 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
739 |
fun make_sign (syn, tsig, ctab, (path, spaces)) stamps name = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
740 |
Sg {tsig = tsig, const_tab = ctab, syn = syn, path = path, spaces = spaces, |
386 | 741 |
stamps = ext_stamps stamps name}; |
742 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
743 |
fun extend_sign extfun name decls (Sg {tsig, const_tab, syn, path, spaces, stamps}) = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
744 |
make_sign (extfun (syn, tsig, const_tab, (path, spaces)) decls) stamps name; |
386 | 745 |
|
746 |
||
747 |
(* the external interfaces *) |
|
748 |
||
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
749 |
val add_classes = extend_sign (ext_classes true) "#"; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
750 |
val add_classes_i = extend_sign (ext_classes false) "#"; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
751 |
val add_classrel = extend_sign (ext_classrel true) "#"; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
752 |
val add_classrel_i = extend_sign (ext_classrel false) "#"; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
753 |
val add_defsort = extend_sign (ext_defsort true) "#"; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
754 |
val add_defsort_i = extend_sign (ext_defsort false) "#"; |
2197 | 755 |
val add_types = extend_sign ext_types "#"; |
756 |
val add_tyabbrs = extend_sign ext_tyabbrs "#"; |
|
757 |
val add_tyabbrs_i = extend_sign ext_tyabbrs_i "#"; |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
758 |
val add_arities = extend_sign (ext_arities true) "#"; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
759 |
val add_arities_i = extend_sign (ext_arities false) "#"; |
2197 | 760 |
val add_consts = extend_sign ext_consts "#"; |
761 |
val add_consts_i = extend_sign ext_consts_i "#"; |
|
762 |
val add_syntax = extend_sign ext_syntax "#"; |
|
763 |
val add_syntax_i = extend_sign ext_syntax_i "#"; |
|
764 |
val add_modesyntax = extend_sign ext_modesyntax "#"; |
|
765 |
val add_modesyntax_i = extend_sign ext_modesyntax_i "#"; |
|
766 |
val add_trfuns = extend_sign (ext_syn Syntax.extend_trfuns) "#"; |
|
2385 | 767 |
val add_trfunsT = extend_sign (ext_syn Syntax.extend_trfunsT) "#"; |
2693 | 768 |
val add_tokentrfuns = extend_sign (ext_syn Syntax.extend_tokentrfuns) "#"; |
2197 | 769 |
val add_trrules = extend_sign (ext_syn Syntax.extend_trrules) "#"; |
770 |
val add_trrules_i = extend_sign (ext_syn Syntax.extend_trrules_i) "#"; |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
771 |
val add_path = extend_sign ext_path "#"; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
772 |
val add_space = extend_sign ext_space "#"; |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
773 |
fun add_name name sg = extend_sign K name () sg; |
386 | 774 |
|
775 |
val make_draft = add_name "#"; |
|
776 |
||
777 |
||
778 |
||
3805 | 779 |
(** merge signatures **) (*exception TERM*) |
143 | 780 |
|
3805 | 781 |
fun merge_aux (sg1, sg2) = |
2185 | 782 |
if fast_subsig (sg2, sg1) then sg1 |
783 |
else if fast_subsig (sg1, sg2) then sg2 |
|
784 |
else if subsig (sg2, sg1) then sg1 |
|
251 | 785 |
else if subsig (sg1, sg2) then sg2 |
386 | 786 |
else if is_draft sg1 orelse is_draft sg2 then |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
787 |
raise TERM ("Illegal merge of draft signatures", []) |
251 | 788 |
else |
789 |
(*neither is union already; must form union*) |
|
790 |
let |
|
791 |
val Sg {tsig = tsig1, const_tab = const_tab1, syn = syn1, |
|
3850 | 792 |
path = _, spaces = spaces1, stamps = stamps1} = sg1; |
251 | 793 |
val Sg {tsig = tsig2, const_tab = const_tab2, syn = syn2, |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
794 |
path = _, spaces = spaces2, stamps = stamps2} = sg2; |
251 | 795 |
|
386 | 796 |
|
402 | 797 |
val stamps = merge_rev_lists stamps1 stamps2; |
798 |
val _ = |
|
799 |
(case duplicates (stamp_names stamps) of |
|
800 |
[] => () |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
801 |
| dups => raise TERM ("Attempt to merge different versions of theories " |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
802 |
^ commas_quote dups, [])); |
402 | 803 |
|
2185 | 804 |
val tsig = Type.merge_tsigs (tsig1, tsig2); |
251 | 805 |
|
806 |
val const_tab = Symtab.merge (op =) (const_tab1, const_tab2) |
|
386 | 807 |
handle Symtab.DUPS cs => |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
808 |
raise TERM ("Incompatible types for constant(s) " ^ commas_quote cs, []); |
386 | 809 |
|
810 |
val syn = Syntax.merge_syntaxes syn1 syn2; |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
811 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
812 |
val kinds = distinct (map fst (spaces1 @ spaces2)); |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
813 |
val spaces = |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
814 |
kinds ~~ |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
815 |
ListPair.map NameSpace.merge |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
816 |
(map (space_of spaces1) kinds, map (space_of spaces2) kinds); |
251 | 817 |
in |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
818 |
Sg {tsig = tsig, const_tab = const_tab, syn = syn, |
3850 | 819 |
path = [], spaces = spaces, stamps = stamps} |
251 | 820 |
end; |
143 | 821 |
|
3805 | 822 |
fun merge sgs = |
823 |
(case handle_error merge_aux sgs of |
|
824 |
OK sg => sg |
|
825 |
| Error msg => raise TERM (msg, [])); |
|
826 |
||
0 | 827 |
|
828 |
||
251 | 829 |
(** the Pure signature **) |
0 | 830 |
|
922
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
901
diff
changeset
|
831 |
val proto_pure = |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
832 |
make_sign (Syntax.pure_syn, Type.tsig0, Symtab.null, ([], [])) [] "#" |
410 | 833 |
|> add_types |
386 | 834 |
(("fun", 2, NoSyn) :: |
835 |
("prop", 0, NoSyn) :: |
|
836 |
("itself", 1, NoSyn) :: |
|
562 | 837 |
Syntax.pure_types) |
3805 | 838 |
|> add_classes_i [(NameSpace.base logicC, [])] |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
839 |
|> add_defsort_i logicS |
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
840 |
|> add_arities_i |
386 | 841 |
[("fun", [logicS, logicS], logicS), |
842 |
("prop", [], logicS), |
|
843 |
("itself", [logicS], logicS)] |
|
562 | 844 |
|> add_syntax Syntax.pure_syntax |
2359 | 845 |
|> add_modesyntax (("symbols", true), Syntax.pure_sym_syntax) |
410 | 846 |
|> add_trfuns Syntax.pure_trfuns |
2693 | 847 |
|> add_trfunsT Syntax.pure_trfunsT |
3810 | 848 |
|> add_syntax |
849 |
[("==>", "[prop, prop] => prop", Delimfix "op ==>")] |
|
410 | 850 |
|> add_consts |
2197 | 851 |
[("==", "['a::{}, 'a] => prop", InfixrName ("==", 2)), |
852 |
("=?=", "['a::{}, 'a] => prop", InfixrName ("=?=", 2)), |
|
2211 | 853 |
("==>", "[prop, prop] => prop", Mixfix ("(_/ ==> _)", [2, 1], 1)), |
865 | 854 |
("all", "('a => prop) => prop", Binder ("!!", 0, 0)), |
573 | 855 |
("TYPE", "'a itself", NoSyn)] |
922
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
901
diff
changeset
|
856 |
|> add_name "ProtoPure"; |
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
901
diff
changeset
|
857 |
|
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
901
diff
changeset
|
858 |
val pure = proto_pure |
1180 | 859 |
|> add_syntax Syntax.pure_appl_syntax |
410 | 860 |
|> add_name "Pure"; |
0 | 861 |
|
922
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
901
diff
changeset
|
862 |
val cpure = proto_pure |
1180 | 863 |
|> add_syntax Syntax.pure_applC_syntax |
922
196ca0973a6d
added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents:
901
diff
changeset
|
864 |
|> add_name "CPure"; |
0 | 865 |
|
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
866 |
|
0 | 867 |
end; |
3791
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
868 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
869 |
|
c5db2c87a646
now supports qualified names (intern vs. extern) !!!
wenzelm
parents:
3552
diff
changeset
|
870 |
val long_names = Sign.long_names; |