author | ballarin |
Tue, 30 Sep 2003 17:05:50 +0200 | |
changeset 14216 | a15951091d5d |
parent 14215 | ebf291f3b449 |
child 14254 | 342634f38451 |
permissions | -rw-r--r-- |
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(* Title: Pure/Isar/locale.ML |
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ID: $Id$ |
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Author: Markus Wenzel, LMU/TU Muenchen |
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License: GPL (GNU GENERAL PUBLIC LICENSE) |
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Locales -- Isar proof contexts as meta-level predicates, with local |
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syntax and implicit structures. |
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Draws some basic ideas from Florian Kammueller's original version of |
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locales, but uses the richer infrastructure of Isar instead of the raw |
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meta-logic. Furthermore, we provide structured import of contexts |
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(with merge and rename operations), as well as type-inference of the |
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signature parts, and predicate definitions of the specification text. |
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*) |
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signature LOCALE = |
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sig |
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type context |
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datatype ('typ, 'term, 'fact, 'att) elem = |
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Fixes of (string * 'typ option * mixfix option) list | |
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Assumes of ((string * 'att list) * ('term * ('term list * 'term list)) list) list | |
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Defines of ((string * 'att list) * ('term * 'term list)) list | |
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Notes of ((string * 'att list) * ('fact * 'att list) list) list |
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datatype expr = |
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Locale of string | |
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Rename of expr * string option list | |
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Merge of expr list |
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val empty: expr |
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datatype ('typ, 'term, 'fact, 'att) elem_expr = |
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Elem of ('typ, 'term, 'fact, 'att) elem | Expr of expr |
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type 'att element |
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type 'att element_i |
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type locale |
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val intern: Sign.sg -> xstring -> string |
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val cond_extern: Sign.sg -> string -> xstring |
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val the_locale: theory -> string -> locale |
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val attribute: ('att -> context attribute) -> ('typ, 'term, 'thm, 'att) elem_expr |
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-> ('typ, 'term, 'thm, context attribute) elem_expr |
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val read_context_statement: xstring option -> context attribute element list -> |
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(string * (string list * string list)) list list -> context -> |
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string option * cterm list * context * context * (term * (term list * term list)) list list |
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val cert_context_statement: string option -> context attribute element_i list -> |
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(term * (term list * term list)) list list -> context -> |
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string option * cterm list * context * context * (term * (term list * term list)) list list |
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val print_locales: theory -> unit |
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val print_locale: theory -> expr -> context attribute element list -> unit |
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val add_locale: bool -> bstring -> expr -> context attribute element list -> theory -> theory |
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val add_locale_i: bool -> bstring -> expr -> context attribute element_i list |
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-> theory -> theory |
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val smart_have_thmss: string -> (string * 'a) Library.option -> |
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((bstring * theory attribute list) * (thm list * theory attribute list) list) list -> |
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theory -> theory * (bstring * thm list) list |
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val have_thmss: string -> xstring -> |
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((bstring * context attribute list) * (xstring * context attribute list) list) list -> |
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theory -> theory * (bstring * thm list) list |
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val have_thmss_i: string -> string -> |
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((bstring * context attribute list) * (thm list * context attribute list) list) list -> |
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theory -> theory * (bstring * thm list) list |
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val add_thmss: string -> ((string * thm list) * context attribute list) list -> |
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theory * context -> (theory * context) * (string * thm list) list |
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val prune_prems: theory -> thm -> thm |
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val setup: (theory -> theory) list |
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end; |
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structure Locale: LOCALE = |
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struct |
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(** locale elements and expressions **) |
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type context = ProofContext.context; |
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datatype ('typ, 'term, 'fact, 'att) elem = |
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Fixes of (string * 'typ option * mixfix option) list | |
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Assumes of ((string * 'att list) * ('term * ('term list * 'term list)) list) list | |
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Defines of ((string * 'att list) * ('term * 'term list)) list | |
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Notes of ((string * 'att list) * ('fact * 'att list) list) list; |
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datatype expr = |
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Locale of string | |
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Rename of expr * string option list | |
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Merge of expr list; |
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val empty = Merge []; |
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datatype ('typ, 'term, 'fact, 'att) elem_expr = |
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Elem of ('typ, 'term, 'fact, 'att) elem | Expr of expr; |
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type 'att element = (string, string, string, 'att) elem_expr; |
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type 'att element_i = (typ, term, thm list, 'att) elem_expr; |
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type locale = |
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{view: cterm list * thm list, (*external view on assumptions*) |
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import: expr, (*dynamic import*) |
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elems: ((typ, term, thm list, context attribute) elem * stamp) list, (*static content*) |
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params: (string * typ option) list * string list}; (*all/local params*) |
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fun make_locale view import elems params = |
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{view = view, import = import, elems = elems, params = params}: locale; |
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(** theory data **) |
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structure LocalesArgs = |
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struct |
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val name = "Isar/locales"; |
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type T = NameSpace.T * locale Symtab.table; |
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val empty = (NameSpace.empty, Symtab.empty); |
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val copy = I; |
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val prep_ext = I; |
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(*joining of locale elements: only facts may be added later!*) |
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fun join ({view, import, elems, params}: locale, {elems = elems', ...}: locale) = |
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Some (make_locale view import (gen_merge_lists eq_snd elems elems') params); |
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fun merge ((space1, locs1), (space2, locs2)) = |
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(NameSpace.merge (space1, space2), Symtab.join join (locs1, locs2)); |
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fun print _ (space, locs) = |
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Pretty.strs ("locales:" :: map (NameSpace.cond_extern space o #1) (Symtab.dest locs)) |
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|> Pretty.writeln; |
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end; |
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structure LocalesData = TheoryDataFun(LocalesArgs); |
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val print_locales = LocalesData.print; |
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val intern = NameSpace.intern o #1 o LocalesData.get_sg; |
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val cond_extern = NameSpace.cond_extern o #1 o LocalesData.get_sg; |
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(* access locales *) |
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fun declare_locale name = |
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LocalesData.map (apfst (fn space => (NameSpace.extend (space, [name])))); |
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fun put_locale name loc = LocalesData.map (apsnd (fn locs => Symtab.update ((name, loc), locs))); |
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fun get_locale thy name = Symtab.lookup (#2 (LocalesData.get thy), name); |
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fun the_locale thy name = |
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(case get_locale thy name of |
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Some loc => loc |
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| None => error ("Unknown locale " ^ quote name)); |
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(* import hierarchy |
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implementation could be more efficient, eg. by maintaining a database |
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of dependencies *) |
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fun imports thy (upper, lower) = |
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let |
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val sign = sign_of thy; |
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fun imps (Locale name) low = (name = low) orelse |
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(case get_locale thy name of |
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None => false |
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| Some {import, ...} => imps import low) |
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| imps (Rename (expr, _)) low = imps expr low |
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| imps (Merge es) low = exists (fn e => imps e low) es; |
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in |
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imps (Locale (intern sign upper)) (intern sign lower) |
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end; |
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(** Name suffix of internal delta predicates. |
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These specify additional assumptions in a locale with import. |
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Also name of theorem set with destruct rules for locale main |
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predicates. **) |
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val axiomsN = "axioms"; |
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local |
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(* A trie-like structure is used to compute a cover of a normalised |
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locale specification. Entries of the trie will be identifiers: |
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locale names with parameter lists. *) |
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datatype 'a trie = Trie of ('a * 'a trie) list; |
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(* Subsumption relation on identifiers *) |
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fun subsumes thy ((name1, args1), (name2, args2)) = |
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(name2 = "" andalso null args2) orelse |
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((name2 = name1 orelse imports thy (name1, name2)) andalso |
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(args2 prefix args1)); |
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(* Insert into trie, wherever possible but avoiding branching *) |
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fun insert_ident subs id (Trie trie) = |
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let |
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fun insert id [] = [(id, Trie [])] |
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| insert id ((id', Trie t')::ts) = |
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if subs (id, id') |
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then if null ts |
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then [(id', Trie (insert id t'))] (* avoid new branch *) |
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else (id', Trie (insert id t'))::insert id ts |
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else (id', Trie t')::insert id ts |
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in Trie (insert id trie) end; |
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(* List of leaves of a trie, removing duplicates *) |
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fun leaves _ (Trie []) = [] |
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| leaves eq (Trie ((id, Trie [])::ts)) = |
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gen_ins eq (id, leaves eq (Trie ts)) |
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| leaves eq (Trie ((id, ts')::ts)) = |
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gen_merge_lists eq (leaves eq ts') (leaves eq (Trie ts)); |
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in |
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(* Prune premises: remove internal delta predicates. |
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Assumes no outer quanfifiers and no flex-flex pairs. |
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May change names of TVars. |
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Performs compress and close_derivation on result, if modified. *) |
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211 |
|
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fun prune_prems thy thm = let |
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val sign = Theory.sign_of thy; |
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fun analyse cprem = |
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(* Returns None if head of premise is not a predicate defined by a locale, |
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returns also None if locale has import but predicate is not *_axioms |
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since this is a premise that wasn't generated by includes. *) |
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case Term.strip_comb (ObjectLogic.drop_judgment sign (term_of cprem)) of |
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(Const (raw_name, T), args) => let |
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val name = unsuffix ("_" ^ axiomsN) raw_name |
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handle LIST _ => raw_name |
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in case get_locale thy name of |
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None => None |
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| Some {import, ...} => |
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if name = raw_name andalso import <> empty |
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then None |
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else Some (((name, args), T), name = raw_name) |
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228 |
end |
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| _ => None; |
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val TFrees = add_term_tfree_names (prop_of thm, []); |
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(* Ignores TFrees in flex-flex pairs ! *) |
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val (frozen, thaw) = Drule.freeze_thaw thm; |
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val cprop = cprop_of frozen; |
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val cprems = Drule.strip_imp_prems cprop; |
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val analysis = map analyse cprems; |
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236 |
in |
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if foldl (fn (b, None) => b | (b, Some (_, b')) => b andalso b') |
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(true, analysis) |
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then thm (* No premise contains *_axioms predicate |
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==> no changes necessary. *) |
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else let |
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val ids = map (apsome fst) analysis; |
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243 |
(* Analyse dependencies of locale premises: store in trie. *) |
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fun subs ((x, _), (y, _)) = subsumes thy (x, y); |
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val Trie depcs = foldl (fn (trie, None) => trie |
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| (trie, Some id) => insert_ident subs id trie) |
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(Trie [], ids); |
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248 |
(* Assemble new theorem; new prems will be hyps. |
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Axioms is an intermeditate list of locale axioms required to |
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replace old premises by new ones. *) |
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251 |
fun scan ((roots, thm, cprems', axioms), (cprem, id)) = |
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case id of |
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None => (roots, implies_elim thm (assume cprem), |
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cprems' @ [cprem], []) |
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255 |
(* Normal premise: keep *) |
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256 |
| Some id => (* Locale premise *) |
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257 |
let |
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fun elim_ax [] thm = (* locale has no axioms *) |
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259 |
implies_elim thm (assume cprem) |
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260 |
| elim_ax axs thm = let |
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261 |
(* Eliminate first premise of thm, which is of the form |
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id. Add hyp of the used axiom to thm. *) |
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263 |
val ax = the (assoc (axs, fst (fst id))) |
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264 |
handle _ => error ("Internal error in Locale.prune_\ |
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\prems: axiom for premise" ^ |
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fst (fst id) ^ " not found."); |
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val [ax_cprem] = Drule.strip_imp_prems (cprop_of ax) |
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handle _ => error ("Internal error in Locale.prune_\ |
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\prems: exactly one premise in axiom expected."); |
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270 |
val ax_hyp = implies_elim ax (assume (ax_cprem)) |
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in implies_elim thm ax_hyp |
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272 |
end |
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273 |
in |
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274 |
if null roots |
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275 |
then (roots, elim_ax axioms thm, cprems', axioms) |
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276 |
(* Remaining premise: drop *) |
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277 |
else let |
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278 |
fun mk_cprem ((name, args), T) = cterm_of sign |
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279 |
(ObjectLogic.assert_propT sign |
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280 |
(Term.list_comb (Const (name, T), args))); |
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281 |
fun get_axs ((name, args), _) = let |
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282 |
val {view = (_, axioms), ...} = the_locale thy name; |
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283 |
fun inst ax = |
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284 |
let |
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285 |
val std = standard ax; |
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286 |
val (prem, concl) = |
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287 |
Logic.dest_implies (prop_of std); |
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288 |
val (Const (name2, _), _) = Term.strip_comb |
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289 |
(ObjectLogic.drop_judgment sign concl); |
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290 |
val (_, vars) = Term.strip_comb |
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291 |
(ObjectLogic.drop_judgment sign prem); |
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292 |
val cert = map (cterm_of sign); |
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293 |
in (unsuffix ("_" ^ axiomsN) name2 |
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294 |
handle LIST _ => name2, |
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295 |
cterm_instantiate (cert vars ~~ cert args) std) |
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296 |
end; |
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297 |
in map inst axioms end; |
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298 |
val (id', trie) = hd roots; |
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299 |
in if id = id' |
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300 |
then (* Initial premise *) |
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301 |
let |
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302 |
val lvs = leaves eq_fst (Trie [(id', trie)]); |
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303 |
val axioms' = flat (map get_axs lvs) |
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304 |
in (tl roots, elim_ax axioms' thm, |
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305 |
cprems' @ map (mk_cprem) lvs, axioms') |
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306 |
end |
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307 |
else (roots, elim_ax axioms thm, cprems', axioms) |
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308 |
(* Remaining premise: drop *) |
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309 |
end |
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310 |
end; |
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311 |
val (_, thm', cprems', _) = |
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312 |
(foldl scan ((depcs, frozen, [], []), cprems ~~ ids)); |
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313 |
val thm'' = implies_intr_list cprems' thm'; |
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314 |
in |
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315 |
fst (varifyT' TFrees (thaw thm'')) |
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316 |
|> Thm.compress |> Drule.close_derivation |
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317 |
end |
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318 |
end; |
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319 |
|
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320 |
end (* local *) |
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321 |
|
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322 |
|
12277 | 323 |
(* diagnostics *) |
12273 | 324 |
|
12277 | 325 |
fun err_in_locale ctxt msg ids = |
326 |
let |
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327 |
val sign = ProofContext.sign_of ctxt; |
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328 |
fun prt_id (name, parms) = |
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329 |
[Pretty.block (Pretty.breaks (map Pretty.str (cond_extern sign name :: parms)))]; |
12289 | 330 |
val prt_ids = flat (separate [Pretty.str " +", Pretty.brk 1] (map prt_id ids)); |
12502 | 331 |
val err_msg = |
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332 |
if forall (equal "" o #1) ids then msg |
12502 | 333 |
else msg ^ "\n" ^ Pretty.string_of (Pretty.block |
334 |
(Pretty.str "The error(s) above occurred in locale:" :: Pretty.brk 1 :: prt_ids)); |
|
335 |
in raise ProofContext.CONTEXT (err_msg, ctxt) end; |
|
12063 | 336 |
|
12277 | 337 |
|
338 |
||
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339 |
(** primitives **) |
12046 | 340 |
|
12277 | 341 |
(* renaming *) |
12263 | 342 |
|
343 |
fun rename ren x = if_none (assoc_string (ren, x)) x; |
|
344 |
||
345 |
fun rename_term ren (Free (x, T)) = Free (rename ren x, T) |
|
346 |
| rename_term ren (t $ u) = rename_term ren t $ rename_term ren u |
|
347 |
| rename_term ren (Abs (x, T, t)) = Abs (x, T, rename_term ren t) |
|
348 |
| rename_term _ a = a; |
|
349 |
||
350 |
fun rename_thm ren th = |
|
351 |
let |
|
352 |
val {sign, hyps, prop, maxidx, ...} = Thm.rep_thm th; |
|
353 |
val cert = Thm.cterm_of sign; |
|
12502 | 354 |
val (xs, Ts) = Library.split_list (foldl Term.add_frees ([], prop :: hyps)); |
12263 | 355 |
val xs' = map (rename ren) xs; |
356 |
fun cert_frees names = map (cert o Free) (names ~~ Ts); |
|
357 |
fun cert_vars names = map (cert o Var o apfst (rpair (maxidx + 1))) (names ~~ Ts); |
|
358 |
in |
|
359 |
if xs = xs' then th |
|
360 |
else |
|
361 |
th |
|
362 |
|> Drule.implies_intr_list (map cert hyps) |
|
363 |
|> Drule.forall_intr_list (cert_frees xs) |
|
364 |
|> Drule.forall_elim_list (cert_vars xs) |
|
365 |
|> Thm.instantiate ([], cert_vars xs ~~ cert_frees xs') |
|
366 |
|> (fn th' => Drule.implies_elim_list th' (map (Thm.assume o cert o rename_term ren) hyps)) |
|
367 |
end; |
|
368 |
||
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|
369 |
fun rename_elem ren (Fixes fixes) = Fixes (fixes |> map (fn (x, T, mx) => |
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|
370 |
let val x' = rename ren x in |
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|
371 |
if x = x' then (x, T, mx) |
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|
372 |
else (x', T, if mx = None then mx else Some Syntax.NoSyn) (*drop syntax*) |
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|
373 |
end)) |
12263 | 374 |
| rename_elem ren (Assumes asms) = Assumes (map (apsnd (map (fn (t, (ps, qs)) => |
375 |
(rename_term ren t, (map (rename_term ren) ps, map (rename_term ren) qs))))) asms) |
|
376 |
| rename_elem ren (Defines defs) = Defines (map (apsnd (fn (t, ps) => |
|
377 |
(rename_term ren t, map (rename_term ren) ps))) defs) |
|
12273 | 378 |
| rename_elem ren (Notes facts) = Notes (map (apsnd (map (apfst (map (rename_thm ren))))) facts); |
12263 | 379 |
|
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changeset
|
380 |
fun rename_facts prfx elem = |
12307 | 381 |
let |
12323 | 382 |
fun qualify (arg as ((name, atts), x)) = |
13394 | 383 |
if prfx = "" orelse name = "" then arg |
13375 | 384 |
else ((NameSpace.pack [prfx, name], atts), x); |
12307 | 385 |
in |
386 |
(case elem of |
|
387 |
Fixes fixes => Fixes fixes |
|
388 |
| Assumes asms => Assumes (map qualify asms) |
|
389 |
| Defines defs => Defines (map qualify defs) |
|
390 |
| Notes facts => Notes (map qualify facts)) |
|
391 |
end; |
|
392 |
||
12263 | 393 |
|
12502 | 394 |
(* type instantiation *) |
395 |
||
396 |
fun inst_type [] T = T |
|
397 |
| inst_type env T = Term.map_type_tfree (fn v => if_none (assoc (env, v)) (TFree v)) T; |
|
398 |
||
399 |
fun inst_term [] t = t |
|
400 |
| inst_term env t = Term.map_term_types (inst_type env) t; |
|
401 |
||
13211
aabdb4b33625
BUG FIX in inst_thm: use current context instead of that of thm!!!
wenzelm
parents:
12958
diff
changeset
|
402 |
fun inst_thm _ [] th = th |
aabdb4b33625
BUG FIX in inst_thm: use current context instead of that of thm!!!
wenzelm
parents:
12958
diff
changeset
|
403 |
| inst_thm ctxt env th = |
12502 | 404 |
let |
13211
aabdb4b33625
BUG FIX in inst_thm: use current context instead of that of thm!!!
wenzelm
parents:
12958
diff
changeset
|
405 |
val sign = ProofContext.sign_of ctxt; |
12575 | 406 |
val cert = Thm.cterm_of sign; |
407 |
val certT = Thm.ctyp_of sign; |
|
13211
aabdb4b33625
BUG FIX in inst_thm: use current context instead of that of thm!!!
wenzelm
parents:
12958
diff
changeset
|
408 |
val {hyps, prop, maxidx, ...} = Thm.rep_thm th; |
12579 | 409 |
val tfrees = foldr Term.add_term_tfree_names (prop :: hyps, []); |
410 |
val env' = filter (fn ((a, _), _) => a mem_string tfrees) env; |
|
12502 | 411 |
in |
412 |
if null env' then th |
|
413 |
else |
|
414 |
th |
|
415 |
|> Drule.implies_intr_list (map cert hyps) |
|
12575 | 416 |
|> Drule.tvars_intr_list (map (#1 o #1) env') |
12502 | 417 |
|> (fn (th', al) => th' |> |
418 |
Thm.instantiate ((map (fn ((a, _), T) => (the (assoc (al, a)), certT T)) env'), [])) |
|
419 |
|> (fn th'' => Drule.implies_elim_list th'' |
|
420 |
(map (Thm.assume o cert o inst_term env') hyps)) |
|
421 |
end; |
|
422 |
||
13211
aabdb4b33625
BUG FIX in inst_thm: use current context instead of that of thm!!!
wenzelm
parents:
12958
diff
changeset
|
423 |
fun inst_elem _ env (Fixes fixes) = |
12502 | 424 |
Fixes (map (fn (x, T, mx) => (x, apsome (inst_type env) T, mx)) fixes) |
13211
aabdb4b33625
BUG FIX in inst_thm: use current context instead of that of thm!!!
wenzelm
parents:
12958
diff
changeset
|
425 |
| inst_elem _ env (Assumes asms) = Assumes (map (apsnd (map (fn (t, (ps, qs)) => |
12502 | 426 |
(inst_term env t, (map (inst_term env) ps, map (inst_term env) qs))))) asms) |
13211
aabdb4b33625
BUG FIX in inst_thm: use current context instead of that of thm!!!
wenzelm
parents:
12958
diff
changeset
|
427 |
| inst_elem _ env (Defines defs) = Defines (map (apsnd (fn (t, ps) => |
12502 | 428 |
(inst_term env t, map (inst_term env) ps))) defs) |
13211
aabdb4b33625
BUG FIX in inst_thm: use current context instead of that of thm!!!
wenzelm
parents:
12958
diff
changeset
|
429 |
| inst_elem ctxt env (Notes facts) = |
aabdb4b33625
BUG FIX in inst_thm: use current context instead of that of thm!!!
wenzelm
parents:
12958
diff
changeset
|
430 |
Notes (map (apsnd (map (apfst (map (inst_thm ctxt env))))) facts); |
12502 | 431 |
|
432 |
||
12529
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simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
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diff
changeset
|
433 |
|
d99716a53f59
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wenzelm
parents:
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changeset
|
434 |
(** structured contexts: rename + merge + implicit type instantiation **) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
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changeset
|
435 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
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changeset
|
436 |
(* parameter types *) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
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changeset
|
437 |
|
d99716a53f59
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parents:
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changeset
|
438 |
fun frozen_tvars ctxt Ts = |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
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changeset
|
439 |
let |
d99716a53f59
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changeset
|
440 |
val tvars = rev (foldl Term.add_tvarsT ([], Ts)); |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
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changeset
|
441 |
val tfrees = map TFree |
d99716a53f59
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wenzelm
parents:
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changeset
|
442 |
(Term.invent_type_names (ProofContext.used_types ctxt) (length tvars) ~~ map #2 tvars); |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
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diff
changeset
|
443 |
in map #1 tvars ~~ tfrees end; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
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diff
changeset
|
444 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
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changeset
|
445 |
fun unify_frozen ctxt maxidx Ts Us = |
d99716a53f59
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wenzelm
parents:
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diff
changeset
|
446 |
let |
d99716a53f59
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wenzelm
parents:
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diff
changeset
|
447 |
fun paramify (i, None) = (i, None) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
448 |
| paramify (i, Some T) = apsnd Some (Type.paramify_dummies (i, T)); |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
449 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
450 |
val (maxidx', Ts') = foldl_map paramify (maxidx, Ts); |
12727 | 451 |
val (maxidx'', Us') = foldl_map paramify (maxidx', Us); |
14215
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
452 |
val tsig = Sign.tsig_of (ProofContext.sign_of ctxt); |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
453 |
|
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
454 |
fun unify (env, (Some T, Some U)) = (Type.unify tsig env (U, T) |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
455 |
handle Type.TUNIFY => |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
456 |
raise TYPE ("unify_frozen: failed to unify types", [U, T], [])) |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
457 |
| unify (env, _) = env; |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
458 |
val (unifier, _) = foldl unify ((Vartab.empty, maxidx''), Ts' ~~ Us'); |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
459 |
val Vs = map (apsome (Envir.norm_type unifier)) Us'; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
460 |
val unifier' = Vartab.extend (unifier, frozen_tvars ctxt (mapfilter I Vs)); |
12532 | 461 |
in map (apsome (Envir.norm_type unifier')) Vs end; |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
462 |
|
12730 | 463 |
fun params_of elemss = gen_distinct eq_fst (flat (map (snd o fst) elemss)); |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
464 |
fun param_types ps = mapfilter (fn (_, None) => None | (x, Some T) => Some (x, T)) ps; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
465 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
466 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
467 |
(* flatten expressions *) |
11896 | 468 |
|
12510 | 469 |
local |
12502 | 470 |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
471 |
fun unique_parms ctxt elemss = |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
472 |
let |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
473 |
val param_decls = |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
474 |
flat (map (fn ((name, (ps, qs)), _) => map (rpair (name, ps)) qs) elemss) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
475 |
|> Symtab.make_multi |> Symtab.dest; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
476 |
in |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
477 |
(case find_first (fn (_, ids) => length ids > 1) param_decls of |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
478 |
Some (q, ids) => err_in_locale ctxt ("Multiple declaration of parameter " ^ quote q) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
479 |
(map (apsnd (map fst)) ids) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
480 |
| None => map (apfst (apsnd #1)) elemss) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
481 |
end; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
482 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
483 |
fun unify_parms ctxt fixed_parms raw_parmss = |
12502 | 484 |
let |
485 |
val tsig = Sign.tsig_of (ProofContext.sign_of ctxt); |
|
486 |
val maxidx = length raw_parmss; |
|
487 |
val idx_parmss = (0 upto maxidx - 1) ~~ raw_parmss; |
|
488 |
||
489 |
fun varify i = Term.map_type_tfree (fn (a, S) => TVar ((a, i), S)); |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
490 |
fun varify_parms (i, ps) = map (apsnd (varify i)) (param_types ps); |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
491 |
val parms = fixed_parms @ flat (map varify_parms idx_parmss); |
12502 | 492 |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
493 |
fun unify T ((env, maxidx), U) = Type.unify tsig (env, maxidx) (U, T) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
494 |
handle Type.TUNIFY => raise TYPE ("unify_parms: failed to unify types", [U, T], []); |
12502 | 495 |
fun unify_list (envir, T :: Us) = foldl (unify T) (envir, Us) |
496 |
| unify_list (envir, []) = envir; |
|
497 |
val (unifier, _) = foldl unify_list |
|
498 |
((Vartab.empty, maxidx), map #2 (Symtab.dest (Symtab.make_multi parms))); |
|
499 |
||
500 |
val parms' = map (apsnd (Envir.norm_type unifier)) (gen_distinct eq_fst parms); |
|
501 |
val unifier' = Vartab.extend (unifier, frozen_tvars ctxt (map #2 parms')); |
|
502 |
||
503 |
fun inst_parms (i, ps) = |
|
504 |
foldr Term.add_typ_tfrees (mapfilter snd ps, []) |
|
505 |
|> mapfilter (fn (a, S) => |
|
506 |
let val T = Envir.norm_type unifier' (TVar ((a, i), S)) |
|
14215
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
507 |
in if T = TFree (a, S) then None else Some ((a, S), T) end) |
12502 | 508 |
in map inst_parms idx_parmss end; |
509 |
||
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
510 |
in |
12502 | 511 |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
512 |
fun unify_elemss _ _ [] = [] |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
513 |
| unify_elemss _ [] [elems] = [elems] |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
514 |
| unify_elemss ctxt fixed_parms elemss = |
12502 | 515 |
let |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
516 |
val envs = unify_parms ctxt fixed_parms (map (#2 o #1) elemss); |
13308 | 517 |
fun inst (((name, ps), elems), env) = |
518 |
((name, map (apsnd (apsome (inst_type env))) ps), (map (inst_elem ctxt env) elems)); |
|
12839 | 519 |
in map inst (elemss ~~ envs) end; |
12502 | 520 |
|
12575 | 521 |
fun flatten_expr ctxt (prev_idents, expr) = |
12014 | 522 |
let |
523 |
val thy = ProofContext.theory_of ctxt; |
|
12263 | 524 |
|
12289 | 525 |
fun renaming (Some x :: xs) (y :: ys) = (y, x) :: renaming xs ys |
526 |
| renaming (None :: xs) (y :: ys) = renaming xs ys |
|
12273 | 527 |
| renaming [] _ = [] |
12289 | 528 |
| renaming xs [] = raise ERROR_MESSAGE ("Too many arguments in renaming: " ^ |
529 |
commas (map (fn None => "_" | Some x => quote x) xs)); |
|
530 |
||
531 |
fun rename_parms ren (name, ps) = |
|
532 |
let val ps' = map (rename ren) ps in |
|
533 |
(case duplicates ps' of [] => (name, ps') |
|
534 |
| dups => err_in_locale ctxt ("Duplicate parameters: " ^ commas_quote dups) [(name, ps')]) |
|
535 |
end; |
|
12263 | 536 |
|
12273 | 537 |
fun identify ((ids, parms), Locale name) = |
14215
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
538 |
(* CB: ids is list of pairs: locale name and list of parameter renamings, |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
539 |
parms is accumulated list of parameters *) |
12289 | 540 |
let |
541 |
val {import, params, ...} = the_locale thy name; |
|
542 |
val ps = map #1 (#1 params); |
|
543 |
in |
|
12273 | 544 |
if (name, ps) mem ids then (ids, parms) |
12277 | 545 |
else |
12289 | 546 |
let val (ids', parms') = identify ((ids, parms), import); (*acyclic dependencies!*) |
547 |
in (ids' @ [(name, ps)], merge_lists parms' ps) end |
|
12273 | 548 |
end |
549 |
| identify ((ids, parms), Rename (e, xs)) = |
|
550 |
let |
|
551 |
val (ids', parms') = identify (([], []), e); |
|
12839 | 552 |
val ren = renaming xs parms' |
553 |
handle ERROR_MESSAGE msg => err_in_locale ctxt msg ids'; |
|
12289 | 554 |
val ids'' = distinct (map (rename_parms ren) ids'); |
555 |
val parms'' = distinct (flat (map #2 ids'')); |
|
556 |
in (merge_lists ids ids'', merge_lists parms parms'') end |
|
12273 | 557 |
| identify (arg, Merge es) = foldl identify (arg, es); |
12014 | 558 |
|
12307 | 559 |
fun eval (name, xs) = |
12273 | 560 |
let |
13308 | 561 |
val {params = (ps, qs), elems, ...} = the_locale thy name; |
12307 | 562 |
val ren = filter_out (op =) (map #1 ps ~~ xs); |
13308 | 563 |
val (params', elems') = |
564 |
if null ren then ((ps, qs), map #1 elems) |
|
12502 | 565 |
else ((map (apfst (rename ren)) ps, map (rename ren) qs), |
13308 | 566 |
map (rename_elem ren o #1) elems); |
13375 | 567 |
val elems'' = map (rename_facts (space_implode "_" xs)) elems'; |
13308 | 568 |
in ((name, params'), elems'') end; |
12307 | 569 |
|
12575 | 570 |
val idents = gen_rems (op =) (#1 (identify (([], []), expr)), prev_idents); |
571 |
val raw_elemss = unique_parms ctxt (map eval idents); |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
572 |
val elemss = unify_elemss ctxt [] raw_elemss; |
12575 | 573 |
in (prev_idents @ idents, elemss) end; |
12046 | 574 |
|
12510 | 575 |
end; |
576 |
||
12070 | 577 |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
578 |
(* activate elements *) |
12273 | 579 |
|
12510 | 580 |
local |
581 |
||
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
582 |
fun export_axioms axs _ hyps th = |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
583 |
th |> Drule.satisfy_hyps axs |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
584 |
|> Drule.implies_intr_list (Library.drop (length axs, hyps)) |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
585 |
|> Seq.single; |
12263 | 586 |
|
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
587 |
fun activate_elem _ ((ctxt, axs), Fixes fixes) = ((ctxt |> ProofContext.add_fixes fixes, axs), []) |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
588 |
| activate_elem _ ((ctxt, axs), Assumes asms) = |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
589 |
let |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
590 |
val ts = flat (map (map #1 o #2) asms); |
13629 | 591 |
val (ps,qs) = splitAt (length ts, axs) |
13420 | 592 |
val (ctxt', _) = |
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
593 |
ctxt |> ProofContext.fix_frees ts |
13629 | 594 |
|> ProofContext.assume_i (export_axioms ps) asms; |
595 |
in ((ctxt', qs), []) end |
|
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
596 |
| activate_elem _ ((ctxt, axs), Defines defs) = |
13420 | 597 |
let val (ctxt', _) = |
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
598 |
ctxt |> ProofContext.assume_i ProofContext.export_def |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
599 |
(defs |> map (fn ((name, atts), (t, ps)) => |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
600 |
let val (c, t') = ProofContext.cert_def ctxt t |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
601 |
in ((if name = "" then Thm.def_name c else name, atts), [(t', (ps, []))]) end)) |
13420 | 602 |
in ((ctxt', axs), []) end |
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
603 |
| activate_elem is_ext ((ctxt, axs), Notes facts) = |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
604 |
let val (ctxt', res) = ctxt |> ProofContext.have_thmss_i facts |
13420 | 605 |
in ((ctxt', axs), if is_ext then res else []) end; |
12502 | 606 |
|
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
607 |
fun activate_elems ((name, ps), elems) (ctxt, axs) = |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
608 |
let val ((ctxt', axs'), res) = |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
609 |
foldl_map (activate_elem (name = "")) ((ProofContext.qualified true ctxt, axs), elems) |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
610 |
handle ProofContext.CONTEXT (msg, ctxt) => err_in_locale ctxt msg [(name, map fst ps)] |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
611 |
in ((ProofContext.restore_qualified ctxt ctxt', axs'), res) end; |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
612 |
|
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
613 |
fun activate_elemss prep_facts = foldl_map (fn ((ctxt, axs), ((name, ps), raw_elems)) => |
12834
e5bec3268932
added locale_facts(_i) interface (useful for simple ML proof tools);
wenzelm
parents:
12806
diff
changeset
|
614 |
let |
e5bec3268932
added locale_facts(_i) interface (useful for simple ML proof tools);
wenzelm
parents:
12806
diff
changeset
|
615 |
val elems = map (prep_facts ctxt) raw_elems; |
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
616 |
val ((ctxt', axs'), res) = apsnd flat (activate_elems ((name, ps), elems) (ctxt, axs)); |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
617 |
in ((ctxt', axs'), (((name, ps), elems), res)) end); |
12834
e5bec3268932
added locale_facts(_i) interface (useful for simple ML proof tools);
wenzelm
parents:
12806
diff
changeset
|
618 |
|
12546 | 619 |
in |
620 |
||
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
621 |
fun activate_facts prep_facts arg = |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
622 |
apsnd (apsnd flat o Library.split_list) (activate_elemss prep_facts arg); |
12546 | 623 |
|
12510 | 624 |
end; |
625 |
||
12307 | 626 |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
627 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
628 |
(** prepare context elements **) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
629 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
630 |
(* expressions *) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
631 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
632 |
fun intern_expr sg (Locale xname) = Locale (intern sg xname) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
633 |
| intern_expr sg (Merge exprs) = Merge (map (intern_expr sg) exprs) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
634 |
| intern_expr sg (Rename (expr, xs)) = Rename (intern_expr sg expr, xs); |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
635 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
636 |
|
12546 | 637 |
(* attributes *) |
638 |
||
639 |
local fun read_att attrib (x, srcs) = (x, map attrib srcs) in |
|
640 |
||
641 |
fun attribute _ (Elem (Fixes fixes)) = Elem (Fixes fixes) |
|
642 |
| attribute attrib (Elem (Assumes asms)) = Elem (Assumes (map (apfst (read_att attrib)) asms)) |
|
643 |
| attribute attrib (Elem (Defines defs)) = Elem (Defines (map (apfst (read_att attrib)) defs)) |
|
644 |
| attribute attrib (Elem (Notes facts)) = |
|
645 |
Elem (Notes (map (apfst (read_att attrib) o apsnd (map (read_att attrib))) facts)) |
|
646 |
| attribute _ (Expr expr) = Expr expr; |
|
647 |
||
648 |
end; |
|
649 |
||
650 |
||
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
651 |
(* parameters *) |
12502 | 652 |
|
653 |
local |
|
654 |
||
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
655 |
fun prep_fixes prep_vars ctxt fixes = |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
656 |
let val vars = snd (foldl_map prep_vars (ctxt, map (fn (x, T, _) => ([x], T)) fixes)) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
657 |
in map (fn (([x'], T'), (_, _, mx)) => (x', T', mx)) (vars ~~ fixes) end; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
658 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
659 |
in |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
660 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
661 |
fun read_fixes x = prep_fixes ProofContext.read_vars x; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
662 |
fun cert_fixes x = prep_fixes ProofContext.cert_vars x; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
663 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
664 |
end; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
665 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
666 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
667 |
(* propositions and bindings *) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
668 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
669 |
datatype ('a, 'b) int_ext = Int of 'a | Ext of 'b; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
670 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
671 |
local |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
672 |
|
12839 | 673 |
local |
674 |
||
12727 | 675 |
fun declare_int_elem (ctxt, Fixes fixes) = |
12575 | 676 |
(ctxt |> ProofContext.add_fixes (map (fn (x, T, mx) => |
12727 | 677 |
(x, apsome (Term.map_type_tfree (Type.param 0)) T, mx)) fixes), []) |
678 |
| declare_int_elem (ctxt, _) = (ctxt, []); |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
679 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
680 |
fun declare_ext_elem prep_fixes (ctxt, Fixes fixes) = |
12575 | 681 |
(ctxt |> ProofContext.add_fixes (prep_fixes ctxt fixes), []) |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
682 |
| declare_ext_elem _ (ctxt, Assumes asms) = (ctxt, map #2 asms) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
683 |
| declare_ext_elem _ (ctxt, Defines defs) = (ctxt, map (fn (_, (t, ps)) => [(t, (ps, []))]) defs) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
684 |
| declare_ext_elem _ (ctxt, Notes facts) = (ctxt, []); |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
685 |
|
12727 | 686 |
fun declare_elems prep_fixes (ctxt, ((name, ps), elems)) = |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
687 |
let val (ctxt', propps) = |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
688 |
(case elems of |
13308 | 689 |
Int es => foldl_map declare_int_elem (ctxt, es) |
12546 | 690 |
| Ext e => foldl_map (declare_ext_elem prep_fixes) (ctxt, [e])) |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
691 |
handle ProofContext.CONTEXT (msg, ctxt) => err_in_locale ctxt msg [(name, map fst ps)] |
12727 | 692 |
in (ctxt', propps) end; |
693 |
||
12839 | 694 |
in |
695 |
||
14215
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
696 |
(* CB: only called by prep_elemss. *) |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
697 |
|
12727 | 698 |
fun declare_elemss prep_fixes fixed_params raw_elemss ctxt = |
699 |
let |
|
14215
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
700 |
(* CB: fix of type bug of goal in target with context elements. |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
701 |
Parameters new in context elements must receive types that are |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
702 |
distinct from types of parameters in target (fixed_params). *) |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
703 |
val ctxt_with_fixed = |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
704 |
ProofContext.declare_terms (map Free fixed_params) ctxt; |
12727 | 705 |
val int_elemss = |
706 |
raw_elemss |
|
707 |
|> mapfilter (fn (id, Int es) => Some (id, es) | _ => None) |
|
14215
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
708 |
|> unify_elemss ctxt_with_fixed fixed_params; |
12727 | 709 |
val (_, raw_elemss') = |
710 |
foldl_map (fn ((_, es) :: elemss, (id, Int _)) => (elemss, (id, Int es)) | x => x) |
|
711 |
(int_elemss, raw_elemss); |
|
712 |
in foldl_map (declare_elems prep_fixes) (ctxt, raw_elemss') end; |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
713 |
|
12839 | 714 |
end; |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
715 |
|
12839 | 716 |
local |
717 |
||
718 |
val norm_term = Envir.beta_norm oo Term.subst_atomic; |
|
719 |
||
13336 | 720 |
fun abstract_term eq = (*assumes well-formedness according to ProofContext.cert_def*) |
12839 | 721 |
let |
722 |
val body = Term.strip_all_body eq; |
|
723 |
val vars = map Free (Term.rename_wrt_term body (Term.strip_all_vars eq)); |
|
724 |
val (lhs, rhs) = Logic.dest_equals (Term.subst_bounds (vars, body)); |
|
725 |
val (f, xs) = Term.strip_comb lhs; |
|
13336 | 726 |
val eq' = Term.list_abs_free (map Term.dest_Free xs, rhs); |
727 |
in (Term.dest_Free f, eq') end; |
|
728 |
||
729 |
fun abstract_thm sign eq = |
|
730 |
Thm.assume (Thm.cterm_of sign eq) |> Drule.gen_all |> Drule.abs_def; |
|
12502 | 731 |
|
13336 | 732 |
fun bind_def ctxt (name, ps) ((xs, env, ths), eq) = |
12839 | 733 |
let |
13336 | 734 |
val ((y, T), b) = abstract_term eq; |
13308 | 735 |
val b' = norm_term env b; |
13336 | 736 |
val th = abstract_thm (ProofContext.sign_of ctxt) eq; |
13308 | 737 |
fun err msg = err_in_locale ctxt (msg ^ ": " ^ quote y) [(name, map fst ps)]; |
12839 | 738 |
in |
13308 | 739 |
conditional (exists (equal y o #1) xs) (fn () => |
740 |
err "Attempt to define previously specified variable"); |
|
741 |
conditional (exists (fn (Free (y', _), _) => y = y' | _ => false) env) (fn () => |
|
742 |
err "Attempt to redefine variable"); |
|
13336 | 743 |
(Term.add_frees (xs, b'), (Free (y, T), b') :: env, th :: ths) |
12839 | 744 |
end; |
12575 | 745 |
|
13308 | 746 |
fun eval_text _ _ _ (text, Fixes _) = text |
13394 | 747 |
| eval_text _ _ is_ext ((((exts, exts'), (ints, ints')), (xs, env, defs)), Assumes asms) = |
748 |
let |
|
749 |
val ts = flat (map (map #1 o #2) asms); |
|
750 |
val ts' = map (norm_term env) ts; |
|
751 |
val spec' = |
|
752 |
if is_ext then ((exts @ ts, exts' @ ts'), (ints, ints')) |
|
753 |
else ((exts, exts'), (ints @ ts, ints' @ ts')); |
|
754 |
in (spec', (foldl Term.add_frees (xs, ts'), env, defs)) end |
|
13308 | 755 |
| eval_text ctxt id _ ((spec, binds), Defines defs) = |
756 |
(spec, foldl (bind_def ctxt id) (binds, map (#1 o #2) defs)) |
|
757 |
| eval_text _ _ _ (text, Notes _) = text; |
|
758 |
||
759 |
fun closeup _ false elem = elem |
|
760 |
| closeup ctxt true elem = |
|
12839 | 761 |
let |
13308 | 762 |
fun close_frees t = |
763 |
let val frees = rev (filter_out (ProofContext.is_fixed ctxt o #1) |
|
764 |
(Term.add_frees ([], t))) |
|
765 |
in Term.list_all_free (frees, t) end; |
|
766 |
||
767 |
fun no_binds [] = [] |
|
768 |
| no_binds _ = |
|
769 |
raise ProofContext.CONTEXT ("Illegal term bindings in locale element", ctxt); |
|
770 |
in |
|
771 |
(case elem of |
|
772 |
Assumes asms => Assumes (asms |> map (fn (a, propps) => |
|
773 |
(a, map (fn (t, (ps, qs)) => (close_frees t, (no_binds ps, no_binds qs))) propps))) |
|
774 |
| Defines defs => Defines (defs |> map (fn (a, (t, ps)) => |
|
775 |
(a, (close_frees (#2 (ProofContext.cert_def ctxt t)), no_binds ps)))) |
|
776 |
| e => e) |
|
777 |
end; |
|
12839 | 778 |
|
12502 | 779 |
|
12839 | 780 |
fun finish_ext_elem parms _ (Fixes fixes, _) = Fixes (map (fn (x, _, mx) => |
12727 | 781 |
(x, assoc_string (parms, x), mx)) fixes) |
12839 | 782 |
| finish_ext_elem _ close (Assumes asms, propp) = |
783 |
close (Assumes (map #1 asms ~~ propp)) |
|
784 |
| finish_ext_elem _ close (Defines defs, propp) = |
|
12727 | 785 |
close (Defines (map #1 defs ~~ map (fn [(t, (ps, []))] => (t, ps)) propp)) |
12839 | 786 |
| finish_ext_elem _ _ (Notes facts, _) = Notes facts; |
787 |
||
788 |
fun finish_parms parms ((name, ps), elems) = |
|
789 |
((name, map (fn (x, _) => (x, assoc (parms, x))) ps), elems); |
|
790 |
||
13375 | 791 |
fun finish_elems ctxt parms _ (text, ((id, Int e), _)) = |
12839 | 792 |
let |
13308 | 793 |
val [(_, es)] = unify_elemss ctxt parms [(id, e)]; |
794 |
val text' = foldl (eval_text ctxt id false) (text, es); |
|
795 |
in (text', (id, map Int es)) end |
|
13375 | 796 |
| finish_elems ctxt parms do_close (text, ((id, Ext e), [propp])) = |
13308 | 797 |
let |
798 |
val e' = finish_ext_elem parms (closeup ctxt do_close) (e, propp); |
|
13375 | 799 |
val text' = eval_text ctxt id true (text, e'); |
13308 | 800 |
in (text', (id, [Ext e'])) end; |
12839 | 801 |
|
802 |
in |
|
12510 | 803 |
|
13375 | 804 |
fun finish_elemss ctxt parms do_close = |
805 |
foldl_map (apsnd (finish_parms parms) o finish_elems ctxt parms do_close); |
|
12839 | 806 |
|
807 |
end; |
|
808 |
||
13375 | 809 |
fun prep_elemss prep_fixes prepp do_close context fixed_params raw_elemss raw_concl = |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
810 |
let |
12727 | 811 |
val (raw_ctxt, raw_proppss) = declare_elemss prep_fixes fixed_params raw_elemss context; |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
812 |
val raw_propps = map flat raw_proppss; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
813 |
val raw_propp = flat raw_propps; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
814 |
val (ctxt, all_propp) = |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
815 |
prepp (ProofContext.declare_terms (map Free fixed_params) raw_ctxt, raw_concl @ raw_propp); |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
816 |
val ctxt = ProofContext.declare_terms (flat (map (map fst) all_propp)) ctxt; |
12502 | 817 |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
818 |
val all_propp' = map2 (op ~~) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
819 |
(#1 (#2 (ProofContext.bind_propp_schematic_i (ctxt, all_propp))), map (map snd) all_propp); |
13629 | 820 |
val (concl, propp) = splitAt(length raw_concl, all_propp'); |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
821 |
val propps = unflat raw_propps propp; |
12839 | 822 |
val proppss = map (uncurry unflat) (raw_proppss ~~ propps); |
12502 | 823 |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
824 |
val xs = map #1 (params_of raw_elemss); |
12727 | 825 |
val typing = unify_frozen ctxt 0 |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
826 |
(map (ProofContext.default_type raw_ctxt) xs) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
827 |
(map (ProofContext.default_type ctxt) xs); |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
828 |
val parms = param_types (xs ~~ typing); |
12273 | 829 |
|
13394 | 830 |
val (text, elemss) = finish_elemss ctxt parms do_close |
831 |
(((([], []), ([], [])), ([], [], [])), raw_elemss ~~ proppss); |
|
13308 | 832 |
in ((parms, elemss, concl), text) end; |
12502 | 833 |
|
834 |
in |
|
835 |
||
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
836 |
fun read_elemss x = prep_elemss read_fixes ProofContext.read_propp_schematic x; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
837 |
fun cert_elemss x = prep_elemss cert_fixes ProofContext.cert_propp_schematic x; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
838 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
839 |
end; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
840 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
841 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
842 |
(* facts *) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
843 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
844 |
local |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
845 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
846 |
fun prep_name ctxt (name, atts) = |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
847 |
if NameSpace.is_qualified name then |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
848 |
raise ProofContext.CONTEXT ("Illegal qualified name: " ^ quote name, ctxt) |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
849 |
else (name, atts); |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
850 |
|
13375 | 851 |
fun prep_facts _ _ (Int elem) = elem |
852 |
| prep_facts _ _ (Ext (Fixes fixes)) = Fixes fixes |
|
853 |
| prep_facts _ ctxt (Ext (Assumes asms)) = Assumes (map (apfst (prep_name ctxt)) asms) |
|
854 |
| prep_facts _ ctxt (Ext (Defines defs)) = Defines (map (apfst (prep_name ctxt)) defs) |
|
855 |
| prep_facts get ctxt (Ext (Notes facts)) = Notes (facts |> map (fn (a, bs) => |
|
856 |
(prep_name ctxt a, map (apfst (get ctxt)) bs))); |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
857 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
858 |
in |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
859 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
860 |
fun get_facts x = prep_facts ProofContext.get_thms x; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
861 |
fun get_facts_i x = prep_facts (K I) x; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
862 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
863 |
end; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
864 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
865 |
|
12546 | 866 |
(* full context statements: import + elements + conclusion *) |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
867 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
868 |
local |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
869 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
870 |
fun prep_context_statement prep_expr prep_elemss prep_facts |
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
871 |
do_close axioms fixed_params import elements raw_concl context = |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
872 |
let |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
873 |
val sign = ProofContext.sign_of context; |
13375 | 874 |
|
12575 | 875 |
fun flatten (ids, Elem (Fixes fixes)) = |
876 |
(ids, [(("", map (rpair None o #1) fixes), Ext (Fixes fixes))]) |
|
877 |
| flatten (ids, Elem elem) = (ids, [(("", []), Ext elem)]) |
|
878 |
| flatten (ids, Expr expr) = |
|
13308 | 879 |
apsnd (map (apsnd Int)) (flatten_expr context (ids, prep_expr sign expr)); |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
880 |
|
12575 | 881 |
val (import_ids, raw_import_elemss) = flatten ([], Expr import); |
14215
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
882 |
(* CB: normalise "includes" among elements *) |
12575 | 883 |
val raw_elemss = flat (#2 ((foldl_map flatten (import_ids, elements)))); |
13375 | 884 |
val ((parms, all_elemss, concl), (spec, (_, _, defs))) = prep_elemss do_close |
13336 | 885 |
context fixed_params (raw_import_elemss @ raw_elemss) raw_concl; |
13629 | 886 |
val (ps,qs) = splitAt(length raw_import_elemss, all_elemss) |
13420 | 887 |
val ((import_ctxt, axioms'), (import_elemss, _)) = |
13629 | 888 |
activate_facts prep_facts ((context, axioms), ps); |
14215
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
889 |
|
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
890 |
(* CB: testing *) |
14216
a15951091d5d
Removed garbage accidentally left behind in file.
ballarin
parents:
14215
diff
changeset
|
891 |
(* |
14215
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
892 |
val axioms' = if true (* null axioms *) then axioms' else |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
893 |
let val {view = (ax3_view, ax3_axioms), ...} = |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
894 |
the_locale (ProofContext.theory_of context) "Type.ax3"; |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
895 |
val ax_TrueFalse = Thm.assume (read_cterm (sign_of_thm (hd axioms)) |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
896 |
("True <-> False", propT)); |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
897 |
val {view = (ax4_view, ax4_axioms), ...} = |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
898 |
the_locale (ProofContext.theory_of context) "Type.ax4"; |
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
899 |
in axioms' @ ax3_axioms @ [ax_TrueFalse] @ (tl ax4_axioms) end; |
14216
a15951091d5d
Removed garbage accidentally left behind in file.
ballarin
parents:
14215
diff
changeset
|
900 |
*) |
13420 | 901 |
val ((ctxt, _), (elemss, _)) = |
13629 | 902 |
activate_facts prep_facts ((import_ctxt, axioms'), qs); |
12834
e5bec3268932
added locale_facts(_i) interface (useful for simple ML proof tools);
wenzelm
parents:
12806
diff
changeset
|
903 |
in |
13420 | 904 |
((((import_ctxt, import_elemss), (ctxt, elemss)), (parms, spec, defs)), concl) |
12834
e5bec3268932
added locale_facts(_i) interface (useful for simple ML proof tools);
wenzelm
parents:
12806
diff
changeset
|
905 |
end; |
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
906 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
907 |
val gen_context = prep_context_statement intern_expr read_elemss get_facts; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
908 |
val gen_context_i = prep_context_statement (K I) cert_elemss get_facts_i; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
909 |
|
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
910 |
fun gen_statement prep_locale prep_ctxt raw_locale elems concl ctxt = |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
911 |
let |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
912 |
val thy = ProofContext.theory_of ctxt; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
913 |
val locale = apsome (prep_locale (Theory.sign_of thy)) raw_locale; |
13415 | 914 |
val ((view_statement, view_axioms), fixed_params, import) = |
14215
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
915 |
(* view_axioms are xxx.axioms of locale xxx *) |
13415 | 916 |
(case locale of None => (([], []), [], empty) |
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
917 |
| Some name => |
13420 | 918 |
let val {view, params = (ps, _), ...} = the_locale thy name |
919 |
in (view, param_types ps, Locale name) end); |
|
12730 | 920 |
val ((((locale_ctxt, _), (elems_ctxt, _)), _), concl') = |
13415 | 921 |
prep_ctxt false view_axioms fixed_params import elems concl ctxt; |
922 |
in (locale, view_statement, locale_ctxt, elems_ctxt, concl') end; |
|
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
923 |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
924 |
in |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
925 |
|
14216
a15951091d5d
Removed garbage accidentally left behind in file.
ballarin
parents:
14215
diff
changeset
|
926 |
(* CB: arguments are: x->import, y->body (elements?), z->context *) |
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
927 |
fun read_context x y z = #1 (gen_context true [] [] x y [] z); |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
928 |
fun cert_context x y z = #1 (gen_context_i true [] [] x y [] z); |
14215
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
929 |
|
12529
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
930 |
val read_context_statement = gen_statement intern gen_context; |
d99716a53f59
simultaneous type-inference of complete context/statement specifications;
wenzelm
parents:
12514
diff
changeset
|
931 |
val cert_context_statement = gen_statement (K I) gen_context_i; |
12502 | 932 |
|
933 |
end; |
|
11896 | 934 |
|
935 |
||
936 |
||
13336 | 937 |
(** define locales **) |
938 |
||
939 |
(* print locale *) |
|
12070 | 940 |
|
12758 | 941 |
fun print_locale thy import body = |
12070 | 942 |
let |
12289 | 943 |
val thy_ctxt = ProofContext.init thy; |
13420 | 944 |
val (((_, import_elemss), (ctxt, elemss)), _) = read_context import body thy_ctxt; |
13375 | 945 |
val all_elems = flat (map #2 (import_elemss @ elemss)); |
12070 | 946 |
|
12307 | 947 |
val prt_typ = Pretty.quote o ProofContext.pretty_typ ctxt; |
948 |
val prt_term = Pretty.quote o ProofContext.pretty_term ctxt; |
|
949 |
val prt_thm = Pretty.quote o ProofContext.pretty_thm ctxt; |
|
12070 | 950 |
|
951 |
fun prt_syn syn = |
|
952 |
let val s = (case syn of None => "(structure)" | Some mx => Syntax.string_of_mixfix mx) |
|
12575 | 953 |
in if s = "" then [] else [Pretty.brk 2, Pretty.str s] end; |
12070 | 954 |
fun prt_fix (x, Some T, syn) = Pretty.block (Pretty.str (x ^ " ::") :: Pretty.brk 1 :: |
955 |
prt_typ T :: Pretty.brk 1 :: prt_syn syn) |
|
956 |
| prt_fix (x, None, syn) = Pretty.block (Pretty.str x :: Pretty.brk 1 :: prt_syn syn); |
|
957 |
||
12307 | 958 |
fun prt_name "" = [Pretty.brk 1] |
959 |
| prt_name name = [Pretty.str (ProofContext.cond_extern ctxt name ^ ":"), Pretty.brk 1]; |
|
960 |
fun prt_asm ((a, _), ts) = Pretty.block (prt_name a @ Pretty.breaks (map (prt_term o fst) ts)); |
|
961 |
fun prt_def ((a, _), (t, _)) = Pretty.block (prt_name a @ [prt_term t]); |
|
962 |
fun prt_fact ((a, _), ths) = Pretty.block |
|
963 |
(prt_name a @ Pretty.breaks (map prt_thm (flat (map fst ths)))); |
|
12070 | 964 |
|
12289 | 965 |
fun items _ [] = [] |
966 |
| items prfx (x :: xs) = Pretty.block [Pretty.str prfx, Pretty.brk 1, x] :: items " and" xs; |
|
967 |
fun prt_elem (Fixes fixes) = items "fixes" (map prt_fix fixes) |
|
968 |
| prt_elem (Assumes asms) = items "assumes" (map prt_asm asms) |
|
969 |
| prt_elem (Defines defs) = items "defines" (map prt_def defs) |
|
970 |
| prt_elem (Notes facts) = items "notes" (map prt_fact facts); |
|
12277 | 971 |
in |
13336 | 972 |
Pretty.big_list "context elements:" (map (Pretty.chunks o prt_elem) all_elems) |
973 |
|> Pretty.writeln |
|
12277 | 974 |
end; |
12070 | 975 |
|
976 |
||
12730 | 977 |
(* store results *) |
11896 | 978 |
|
12706 | 979 |
local |
980 |
||
12702 | 981 |
fun hide_bound_names names thy = |
982 |
thy |> PureThy.hide_thms false |
|
983 |
(map (Sign.full_name (Theory.sign_of thy)) (filter_out (equal "") names)); |
|
984 |
||
12958 | 985 |
in |
986 |
||
13375 | 987 |
fun have_thmss_qualified kind name args thy = |
12706 | 988 |
thy |
13375 | 989 |
|> Theory.add_path (Sign.base_name name) |
12711 | 990 |
|> PureThy.have_thmss_i (Drule.kind kind) args |
12706 | 991 |
|>> hide_bound_names (map (#1 o #1) args) |
992 |
|>> Theory.parent_path; |
|
993 |
||
12958 | 994 |
fun smart_have_thmss kind None = PureThy.have_thmss_i (Drule.kind kind) |
995 |
| smart_have_thmss kind (Some (loc, _)) = have_thmss_qualified kind loc; |
|
996 |
||
997 |
end; |
|
998 |
||
999 |
local |
|
1000 |
||
1001 |
fun put_facts loc args thy = |
|
1002 |
let |
|
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
1003 |
val {view, import, elems, params} = the_locale thy loc; |
12958 | 1004 |
val note = Notes (map (fn ((a, more_atts), th_atts) => |
1005 |
((a, more_atts), map (apfst (map (curry Thm.name_thm a))) th_atts)) args); |
|
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
1006 |
in thy |> put_locale loc (make_locale view import (elems @ [(note, stamp ())]) params) end; |
12958 | 1007 |
|
12706 | 1008 |
fun gen_have_thmss prep_locale get_thms kind raw_loc raw_args thy = |
1009 |
let |
|
1010 |
val thy_ctxt = ProofContext.init thy; |
|
1011 |
val loc = prep_locale (Theory.sign_of thy) raw_loc; |
|
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
1012 |
val (_, view, loc_ctxt, _, _) = cert_context_statement (Some loc) [] [] thy_ctxt; |
12706 | 1013 |
val args = map (apsnd (map (apfst (get_thms loc_ctxt)))) raw_args; |
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
1014 |
val export = ProofContext.export_standard view loc_ctxt thy_ctxt; |
12711 | 1015 |
val results = map (map export o #2) (#2 (ProofContext.have_thmss_i args loc_ctxt)); |
12706 | 1016 |
val args' = map (rpair [] o #1 o #1) args ~~ map (single o Thm.no_attributes) results; |
1017 |
in |
|
1018 |
thy |
|
1019 |
|> put_facts loc args |
|
1020 |
|> have_thmss_qualified kind loc args' |
|
1021 |
end; |
|
1022 |
||
1023 |
in |
|
1024 |
||
12711 | 1025 |
val have_thmss = gen_have_thmss intern ProofContext.get_thms; |
1026 |
val have_thmss_i = gen_have_thmss (K I) (K I); |
|
1027 |
||
13336 | 1028 |
fun add_thmss loc args (thy, ctxt) = |
12958 | 1029 |
let |
1030 |
val args' = map (fn ((a, ths), atts) => ((a, atts), [(ths, [])])) args; |
|
13336 | 1031 |
val thy' = put_facts loc args' thy; |
13415 | 1032 |
val {view = (_, view_axioms), ...} = the_locale thy loc; |
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
1033 |
val ((ctxt', _), (_, facts')) = |
13420 | 1034 |
activate_facts (K I) ((ctxt, view_axioms), [(("", []), [Notes args'])]); |
1035 |
in ((thy', ctxt'), facts') end; |
|
12702 | 1036 |
|
12706 | 1037 |
end; |
12063 | 1038 |
|
11896 | 1039 |
|
13336 | 1040 |
(* predicate text *) |
1041 |
||
13375 | 1042 |
local |
1043 |
||
1044 |
val introN = "intro"; |
|
1045 |
||
1046 |
fun atomize_spec sign ts = |
|
1047 |
let |
|
1048 |
val t = Library.foldr1 Logic.mk_conjunction ts; |
|
1049 |
val body = ObjectLogic.atomize_term sign t; |
|
1050 |
val bodyT = Term.fastype_of body; |
|
1051 |
in |
|
1052 |
if bodyT = propT then (t, propT, Thm.reflexive (Thm.cterm_of sign t)) |
|
1053 |
else (body, bodyT, ObjectLogic.atomize_rule sign (Thm.cterm_of sign t)) |
|
1054 |
end; |
|
1055 |
||
13394 | 1056 |
fun aprop_tr' n c = (c, fn args => |
1057 |
if length args = n then Syntax.const "_aprop" $ Term.list_comb (Syntax.free c, args) |
|
1058 |
else raise Match); |
|
13336 | 1059 |
|
13420 | 1060 |
fun def_pred bname parms defs ts norm_ts thy = |
13375 | 1061 |
let |
1062 |
val sign = Theory.sign_of thy; |
|
1063 |
val name = Sign.full_name sign bname; |
|
1064 |
||
13420 | 1065 |
val (body, bodyT, body_eq) = atomize_spec sign norm_ts; |
13394 | 1066 |
val env = Term.add_term_free_names (body, []); |
1067 |
val xs = filter (fn (x, _) => x mem_string env) parms; |
|
1068 |
val Ts = map #2 xs; |
|
1069 |
val extraTs = (Term.term_tfrees body \\ foldr Term.add_typ_tfrees (Ts, [])) |
|
1070 |
|> Library.sort_wrt #1 |> map TFree; |
|
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
1071 |
val predT = map Term.itselfT extraTs ---> Ts ---> bodyT; |
13336 | 1072 |
|
13394 | 1073 |
val args = map Logic.mk_type extraTs @ map Free xs; |
1074 |
val head = Term.list_comb (Const (name, predT), args); |
|
13375 | 1075 |
val statement = ObjectLogic.assert_propT sign head; |
1076 |
||
1077 |
val (defs_thy, [pred_def]) = |
|
1078 |
thy |
|
13394 | 1079 |
|> (if bodyT <> propT then I else |
1080 |
Theory.add_trfuns ([], [], map (aprop_tr' (length args)) (NameSpace.accesses' name), [])) |
|
13375 | 1081 |
|> Theory.add_consts_i [(bname, predT, Syntax.NoSyn)] |
1082 |
|> PureThy.add_defs_i false [((Thm.def_name bname, Logic.mk_equals (head, body)), [])]; |
|
13394 | 1083 |
|
13375 | 1084 |
val defs_sign = Theory.sign_of defs_thy; |
1085 |
val cert = Thm.cterm_of defs_sign; |
|
1086 |
||
13420 | 1087 |
val intro = Tactic.prove_standard defs_sign [] norm_ts statement (fn _ => |
13375 | 1088 |
Tactic.rewrite_goals_tac [pred_def] THEN |
1089 |
Tactic.compose_tac (false, body_eq RS Drule.equal_elim_rule1, 1) 1 THEN |
|
13420 | 1090 |
Tactic.compose_tac (false, Drule.conj_intr_list (map (Thm.assume o cert) norm_ts), 0) 1); |
13375 | 1091 |
|
1092 |
val conjuncts = |
|
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
1093 |
Drule.equal_elim_rule1 OF [Thm.symmetric body_eq, |
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
1094 |
Tactic.rewrite_rule [pred_def] (Thm.assume (cert statement))] |
13375 | 1095 |
|> Drule.conj_elim_precise (length ts); |
13394 | 1096 |
val axioms = (ts ~~ conjuncts) |> map (fn (t, ax) => |
13375 | 1097 |
Tactic.prove defs_sign [] [] t (fn _ => |
1098 |
Tactic.rewrite_goals_tac defs THEN |
|
1099 |
Tactic.compose_tac (false, ax, 0) 1)); |
|
13394 | 1100 |
in (defs_thy, (statement, intro, axioms)) end; |
13375 | 1101 |
|
13394 | 1102 |
fun change_elem _ (axms, Assumes asms) = |
1103 |
apsnd Notes ((axms, asms) |> foldl_map (fn (axs, (a, spec)) => |
|
13629 | 1104 |
let val (ps,qs) = splitAt(length spec, axs) |
1105 |
in (qs, (a, [(ps, [])])) end)) |
|
13394 | 1106 |
| change_elem f (axms, Notes facts) = (axms, Notes (map (apsnd (map (apfst (map f)))) facts)) |
1107 |
| change_elem _ e = e; |
|
1108 |
||
1109 |
fun change_elemss axioms elemss = (axioms, elemss) |> foldl_map |
|
1110 |
(fn (axms, (id as ("", _), es)) => |
|
1111 |
foldl_map (change_elem (Drule.satisfy_hyps axioms)) (axms, es) |> apsnd (pair id) |
|
1112 |
| x => x) |> #2; |
|
1113 |
||
1114 |
in |
|
13375 | 1115 |
|
13394 | 1116 |
fun define_preds bname (parms, ((exts, exts'), (ints, ints')), defs) elemss thy = |
1117 |
let |
|
1118 |
val (thy', (elemss', more_ts)) = |
|
1119 |
if Library.null exts then (thy, (elemss, [])) |
|
1120 |
else |
|
1121 |
let |
|
13420 | 1122 |
val aname = if Library.null ints then bname else bname ^ "_" ^ axiomsN; |
13394 | 1123 |
val (def_thy, (statement, intro, axioms)) = |
1124 |
thy |> def_pred aname parms defs exts exts'; |
|
1125 |
val elemss' = change_elemss axioms elemss @ |
|
13420 | 1126 |
[(("", []), [Assumes [((bname ^ "_" ^ axiomsN, []), [(statement, ([], []))])]])]; |
13394 | 1127 |
in |
1128 |
def_thy |> have_thmss_qualified "" aname |
|
1129 |
[((introN, [ContextRules.intro_query_global None]), [([intro], [])])] |
|
1130 |
|> #1 |> rpair (elemss', [statement]) |
|
1131 |
end; |
|
1132 |
val (thy'', view) = |
|
13420 | 1133 |
if Library.null ints then (thy', ([], [])) |
13394 | 1134 |
else |
1135 |
let |
|
1136 |
val (def_thy, (statement, intro, axioms)) = |
|
1137 |
thy' |> def_pred bname parms defs (ints @ more_ts) (ints' @ more_ts); |
|
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
1138 |
val cstatement = Thm.cterm_of (Theory.sign_of def_thy) statement; |
13394 | 1139 |
in |
1140 |
def_thy |> have_thmss_qualified "" bname |
|
13420 | 1141 |
[((introN, [ContextRules.intro_query_global None]), [([intro], [])]), |
13442 | 1142 |
((axiomsN, [ContextRules.elim_query_global None]), [(map Drule.standard axioms, [])])] |
13415 | 1143 |
|> #1 |> rpair ([cstatement], axioms) |
13394 | 1144 |
end; |
1145 |
in (thy'', (elemss', view)) end; |
|
13375 | 1146 |
|
1147 |
end; |
|
13336 | 1148 |
|
1149 |
||
13297 | 1150 |
(* add_locale(_i) *) |
1151 |
||
1152 |
local |
|
1153 |
||
13394 | 1154 |
fun gen_add_locale prep_ctxt prep_expr do_pred bname raw_import raw_body thy = |
13297 | 1155 |
let |
1156 |
val sign = Theory.sign_of thy; |
|
1157 |
val name = Sign.full_name sign bname; |
|
1158 |
val _ = conditional (is_some (get_locale thy name)) (fn () => |
|
1159 |
error ("Duplicate definition of locale " ^ quote name)); |
|
1160 |
||
1161 |
val thy_ctxt = ProofContext.init thy; |
|
13420 | 1162 |
val (((import_ctxt, import_elemss), (body_ctxt, body_elemss)), text) = |
13375 | 1163 |
prep_ctxt raw_import raw_body thy_ctxt; |
1164 |
val elemss = import_elemss @ body_elemss; |
|
13297 | 1165 |
|
13415 | 1166 |
val (pred_thy, (elemss', view as (view_statement, view_axioms))) = |
13394 | 1167 |
if do_pred then thy |> define_preds bname text elemss |
13415 | 1168 |
else (thy, (elemss, ([], []))); |
13375 | 1169 |
val pred_ctxt = ProofContext.init pred_thy; |
13420 | 1170 |
|
1171 |
val ((ctxt, _), (_, facts)) = activate_facts (K I) ((pred_ctxt, view_axioms), elemss'); |
|
13415 | 1172 |
val export = ProofContext.export_standard view_statement ctxt pred_ctxt; |
13420 | 1173 |
val facts' = facts |> map (fn (a, ths) => ((a, []), [(map export ths, [])])); |
13297 | 1174 |
in |
13375 | 1175 |
pred_thy |
13420 | 1176 |
|> have_thmss_qualified "" name facts' |> #1 |
13297 | 1177 |
|> declare_locale name |
13399
c136276dc847
support locale ``views'' (for cumulative predicates);
wenzelm
parents:
13394
diff
changeset
|
1178 |
|> put_locale name (make_locale view (prep_expr sign raw_import) |
13394 | 1179 |
(map (fn e => (e, stamp ())) (flat (map #2 (filter (equal "" o #1 o #1) elemss')))) |
13375 | 1180 |
(params_of elemss', map #1 (params_of body_elemss))) |
13297 | 1181 |
end; |
1182 |
||
1183 |
in |
|
1184 |
||
1185 |
val add_locale = gen_add_locale read_context intern_expr; |
|
14215
ebf291f3b449
Improvements to Isar/Locales: premises generated by "includes" elements
ballarin
parents:
13629
diff
changeset
|
1186 |
|
13297 | 1187 |
val add_locale_i = gen_add_locale cert_context (K I); |
1188 |
||
1189 |
end; |
|
1190 |
||
1191 |
||
12730 | 1192 |
|
11896 | 1193 |
(** locale theory setup **) |
12063 | 1194 |
|
11896 | 1195 |
val setup = |
13460
ced7a699282b
predefined locales "var" and "struct" (useful for sharing parameters);
wenzelm
parents:
13442
diff
changeset
|
1196 |
[LocalesData.init, |
ced7a699282b
predefined locales "var" and "struct" (useful for sharing parameters);
wenzelm
parents:
13442
diff
changeset
|
1197 |
add_locale_i true "var" empty [Elem (Fixes [(Syntax.internal "x", None, Some Syntax.NoSyn)])], |
ced7a699282b
predefined locales "var" and "struct" (useful for sharing parameters);
wenzelm
parents:
13442
diff
changeset
|
1198 |
add_locale_i true "struct" empty [Elem (Fixes [(Syntax.internal "S", None, None)])]]; |
11896 | 1199 |
|
1200 |
end; |