author | wenzelm |
Wed, 14 May 2008 20:30:05 +0200 | |
changeset 26891 | bfa1944e5238 |
parent 26715 | 00ff79ab6e6b |
child 27729 | aaf08262b177 |
permissions | -rw-r--r-- |
5823 | 1 |
(* Title: Pure/Isar/attrib.ML |
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ID: $Id$ |
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Author: Markus Wenzel, TU Muenchen |
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Symbolic representation of attributes -- with name and syntax. |
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*) |
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signature BASIC_ATTRIB = |
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sig |
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val print_attributes: theory -> unit |
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end; |
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signature ATTRIB = |
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sig |
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include BASIC_ATTRIB |
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type src |
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val intern: theory -> xstring -> string |
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val intern_src: theory -> src -> src |
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val pretty_attribs: Proof.context -> src list -> Pretty.T list |
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val defined: theory -> string -> bool |
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val attribute: theory -> src -> attribute |
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val attribute_i: theory -> src -> attribute |
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renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents:
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val eval_thms: Proof.context -> (Facts.ref * src list) list -> thm list |
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val map_specs: ('a -> 'att) -> |
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(('c * 'a list) * 'd) list -> (('c * 'att list) * 'd) list |
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val map_facts: ('a -> 'att) -> |
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added map_specs/facts operators (from locale.ML);
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(('c * 'a list) * ('d * 'a list) list) list -> |
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(('c * 'att list) * ('d * 'att list) list) list |
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val crude_closure: Proof.context -> src -> src |
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val add_attributes: (bstring * (src -> attribute) * string) list -> theory -> theory |
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val syntax: (Context.generic * Args.T list -> |
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attribute * (Context.generic * Args.T list)) -> src -> attribute |
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val no_args: attribute -> src -> attribute |
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val add_del_args: attribute -> attribute -> src -> attribute |
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val thm: Context.generic * Args.T list -> thm * (Context.generic * Args.T list) |
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val thms: Context.generic * Args.T list -> thm list * (Context.generic * Args.T list) |
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val multi_thm: Context.generic * Args.T list -> thm list * (Context.generic * Args.T list) |
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tuned config options: eliminated separate attribute "option";
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val print_configs: Proof.context -> unit |
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val internal: (morphism -> attribute) -> src |
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parents:
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val register_config: Config.value Config.T -> theory -> theory |
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4ab3084e311c
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parents:
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diff
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val config_bool: bstring -> bool -> bool Config.T * (theory -> theory) |
4ab3084e311c
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wenzelm
parents:
24030
diff
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val config_int: bstring -> int -> int Config.T * (theory -> theory) |
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
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val config_string: bstring -> string -> string Config.T * (theory -> theory) |
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
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val config_bool_global: bstring -> bool -> bool Config.T * (theory -> theory) |
4ab3084e311c
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wenzelm
parents:
24030
diff
changeset
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val config_int_global: bstring -> int -> int Config.T * (theory -> theory) |
4ab3084e311c
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val config_string_global: bstring -> string -> string Config.T * (theory -> theory) |
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end; |
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structure Attrib: ATTRIB = |
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struct |
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type src = Args.src; |
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(** named attributes **) |
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(* theory data *) |
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structure Attributes = TheoryDataFun |
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( |
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type T = (((src -> attribute) * string) * stamp) NameSpace.table; |
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val empty = NameSpace.empty_table; |
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val copy = I; |
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val extend = I; |
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replaced exception TableFun/GraphFun.DUPS by TableFun/GraphFun.DUP;
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fun merge _ tables : T = NameSpace.merge_tables (eq_snd (op =)) tables handle Symtab.DUP dup => |
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replaced exception TableFun/GraphFun.DUPS by TableFun/GraphFun.DUP;
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error ("Attempt to merge different versions of attribute " ^ quote dup); |
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); |
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fun print_attributes thy = |
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let |
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val attribs = Attributes.get thy; |
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fun prt_attr (name, ((_, comment), _)) = Pretty.block |
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[Pretty.str (name ^ ":"), Pretty.brk 2, Pretty.str comment]; |
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in |
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[Pretty.big_list "attributes:" (map prt_attr (NameSpace.extern_table attribs))] |
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|> Pretty.chunks |> Pretty.writeln |
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end; |
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(* name space *) |
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val intern = NameSpace.intern o #1 o Attributes.get; |
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val intern_src = Args.map_name o intern; |
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parents:
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val extern = NameSpace.extern o #1 o Attributes.get o ProofContext.theory_of; |
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(* pretty printing *) |
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fun pretty_attribs _ [] = [] |
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| pretty_attribs ctxt srcs = |
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[Pretty.enclose "[" "]" |
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(Pretty.commas (map (Args.pretty_src ctxt o Args.map_name (extern ctxt)) srcs))]; |
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(* get attributes *) |
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val defined = Symtab.defined o #2 o Attributes.get; |
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fun attribute_i thy = |
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let |
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val attrs = #2 (Attributes.get thy); |
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fun attr src = |
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let val ((name, _), pos) = Args.dest_src src in |
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(case Symtab.lookup attrs name of |
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NONE => error ("Unknown attribute: " ^ quote name ^ Position.str_of pos) |
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| SOME ((att, _), _) => att src) |
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end; |
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in attr end; |
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fun attribute thy = attribute_i thy o intern_src thy; |
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fun eval_thms ctxt args = ProofContext.note_thmss Thm.theoremK |
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[(("", []), map (apsnd (map (attribute (ProofContext.theory_of ctxt)))) args)] ctxt |
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|> fst |> maps snd; |
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parents:
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(* attributed declarations *) |
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fun map_specs f = map (apfst (apsnd (map f))); |
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parents:
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fun map_facts f = map (apfst (apsnd (map f)) o apsnd (map (apsnd (map f)))); |
1b07a176a880
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parents:
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1b07a176a880
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parents:
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(* crude_closure *) |
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(*Produce closure without knowing facts in advance! The following |
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works reasonably well for attribute parsers that do not peek at the |
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thm structure.*) |
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fun crude_closure ctxt src = |
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(try (fn () => attribute_i (ProofContext.theory_of ctxt) src |
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(Context.Proof ctxt, Drule.asm_rl)) (); |
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Args.closure src); |
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(* add_attributes *) |
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fun add_attributes raw_attrs thy = |
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let |
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val new_attrs = |
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raw_attrs |> map (fn (name, att, comment) => (name, ((att, comment), stamp ()))); |
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fun add attrs = NameSpace.extend_table (Sign.naming_of thy) new_attrs attrs |
23655
d2d1138e0ddc
replaced exception TableFun/GraphFun.DUPS by TableFun/GraphFun.DUP;
wenzelm
parents:
23577
diff
changeset
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handle Symtab.DUP dup => error ("Duplicate declaration of attributes " ^ quote dup); |
24110
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
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in Attributes.map add thy end; |
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(* attribute syntax *) |
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fun syntax scan src (st, th) = |
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let val (f: attribute, st') = Args.syntax "attribute" scan src st |
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in f (st', th) end; |
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fun no_args x = syntax (Scan.succeed x); |
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fun add_del_args add del = syntax |
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(Scan.lift (Args.add >> K add || Args.del >> K del || Scan.succeed add)); |
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(** parsing attributed theorems **) |
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local |
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thms etc.: proper treatment of internal_fact with selection;
wenzelm
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val fact_name = Args.internal_fact >> K "<fact>" || Args.name; |
43a842769765
thms etc.: proper treatment of internal_fact with selection;
wenzelm
parents:
21658
diff
changeset
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164 |
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26336
a0e2b706ce73
renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents:
25983
diff
changeset
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fun gen_thm pick = Scan.depend (fn context => |
a0e2b706ce73
renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents:
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diff
changeset
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let |
a0e2b706ce73
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wenzelm
parents:
25983
diff
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val thy = Context.theory_of context; |
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val get = Context.cases (PureThy.get_fact context) ProofContext.get_fact context; |
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val get_fact = get o Facts.Fact; |
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val get_named = get o Facts.named; |
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in |
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Args.$$$ "[" |-- Args.attribs (intern thy) --| Args.$$$ "]" >> (fn srcs => |
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let |
26336
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parents:
25983
diff
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val atts = map (attribute_i thy) srcs; |
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renamed datatype thmref to Facts.ref, tuned interfaces;
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parents:
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val (context', th') = Library.apply atts (context, Drule.dummy_thm); |
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in (context', pick "" [th']) end) |
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wenzelm
parents:
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diff
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|| |
a0e2b706ce73
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parents:
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(Scan.ahead Args.alt_name -- Args.named_fact get_fact |
a0e2b706ce73
renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents:
25983
diff
changeset
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>> (fn (s, fact) => ("", Facts.Fact s, fact)) |
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|| Scan.ahead fact_name -- Args.position (Args.named_fact get_named) -- Scan.option Args.thm_sel |
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>> (fn ((name, (fact, pos)), sel) => (name, Facts.Named ((name, pos), sel), fact))) |
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a0e2b706ce73
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wenzelm
parents:
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-- Args.opt_attribs (intern thy) >> (fn ((name, thmref, fact), srcs) => |
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wenzelm
parents:
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183 |
let |
a0e2b706ce73
renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents:
25983
diff
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184 |
val ths = Facts.select thmref fact; |
a0e2b706ce73
renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents:
25983
diff
changeset
|
185 |
val atts = map (attribute_i thy) srcs; |
a0e2b706ce73
renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents:
25983
diff
changeset
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186 |
val (context', ths') = foldl_map (Library.apply atts) (context, ths); |
a0e2b706ce73
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parents:
25983
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187 |
in (context', pick name ths') end) |
a0e2b706ce73
renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents:
25983
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188 |
end); |
15456
956d6acacf89
Specific theorems in a named list of theorems can now be referred to
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parents:
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in |
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26336
a0e2b706ce73
renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents:
25983
diff
changeset
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val thm = gen_thm Facts.the_single; |
18998 | 193 |
val multi_thm = gen_thm (K I); |
19482
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tuned basic list operators (flat, maps, map_filter);
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194 |
val thms = Scan.repeat multi_thm >> flat; |
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end; |
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(** basic attributes **) |
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(* internal *) |
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fun internal att = Args.src (("Pure.attribute", [Args.mk_attribute att]), Position.none); |
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val internal_att = |
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syntax (Scan.lift Args.internal_attribute >> Morphism.form); |
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(* tags *) |
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val tagged = syntax (Scan.lift (Args.name -- Args.name) >> PureThy.tag); |
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val untagged = syntax (Scan.lift Args.name >> PureThy.untag); |
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val kind = syntax (Scan.lift Args.name >> PureThy.kind); |
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(* rule composition *) |
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val COMP_att = |
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syntax (Scan.lift (Scan.optional (Args.bracks Args.nat) 1) -- thm |
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>> (fn (i, B) => Thm.rule_attribute (fn _ => fn A => Drule.compose_single (A, i, B)))); |
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val THEN_att = |
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syntax (Scan.lift (Scan.optional (Args.bracks Args.nat) 1) -- thm |
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>> (fn (i, B) => Thm.rule_attribute (fn _ => fn A => A RSN (i, B)))); |
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val OF_att = |
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syntax (thms >> (fn Bs => Thm.rule_attribute (fn _ => fn A => Bs MRS A))); |
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232 |
(* rename_abs *) |
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val rename_abs = syntax |
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(Scan.lift (Scan.repeat (Args.maybe Args.name) >> (apsnd o Drule.rename_bvars'))); |
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(* unfold / fold definitions *) |
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fun unfolded_syntax rule = |
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syntax (thms >> |
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(fn ths => Thm.rule_attribute (fn context => rule (Context.proof_of context) ths))); |
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244 |
val unfolded = unfolded_syntax LocalDefs.unfold; |
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val folded = unfolded_syntax LocalDefs.fold; |
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(* rule cases *) |
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25983 | 250 |
val consumes = syntax (Scan.lift (Scan.optional Args.nat 1) >> RuleCases.consumes); |
251 |
val case_names = syntax (Scan.lift (Scan.repeat1 Args.name) >> RuleCases.case_names); |
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val case_conclusion = |
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253 |
syntax (Scan.lift (Args.name -- Scan.repeat Args.name) >> RuleCases.case_conclusion); |
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val params = syntax (Args.and_list1 (Scan.lift (Scan.repeat Args.name)) >> RuleCases.params); |
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255 |
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256 |
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257 |
(* rule format *) |
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258 |
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259 |
val rule_format = syntax (Args.mode "no_asm" |
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>> (fn true => ObjectLogic.rule_format_no_asm | false => ObjectLogic.rule_format)); |
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262 |
val elim_format = no_args (Thm.rule_attribute (K Tactic.make_elim)); |
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264 |
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(* misc rules *) |
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267 |
val standard = no_args (Thm.rule_attribute (K Drule.standard)); |
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26715
00ff79ab6e6b
no_vars: reset body mode, i.e. invent global frees (which are acceptable to Variable.auto_fixes);
wenzelm
parents:
26685
diff
changeset
|
269 |
val no_vars = no_args (Thm.rule_attribute (fn context => fn th => |
00ff79ab6e6b
no_vars: reset body mode, i.e. invent global frees (which are acceptable to Variable.auto_fixes);
wenzelm
parents:
26685
diff
changeset
|
270 |
let |
00ff79ab6e6b
no_vars: reset body mode, i.e. invent global frees (which are acceptable to Variable.auto_fixes);
wenzelm
parents:
26685
diff
changeset
|
271 |
val ctxt = Variable.set_body false (Context.proof_of context); |
00ff79ab6e6b
no_vars: reset body mode, i.e. invent global frees (which are acceptable to Variable.auto_fixes);
wenzelm
parents:
26685
diff
changeset
|
272 |
val ((_, [th']), _) = Variable.import_thms true [th] ctxt; |
25983 | 273 |
in th' end)); |
274 |
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275 |
val eta_long = |
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276 |
no_args (Thm.rule_attribute (K (Conv.fconv_rule Drule.eta_long_conversion))); |
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278 |
val rotated = syntax |
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279 |
(Scan.lift (Scan.optional Args.int 1) >> (fn n => Thm.rule_attribute (K (rotate_prems n)))); |
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5879 | 280 |
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25983 | 281 |
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282 |
(* theory setup *) |
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5823 | 283 |
|
26463 | 284 |
val _ = Context.>> (Context.map_theory |
25983 | 285 |
(add_attributes |
286 |
[("attribute", internal_att, "internal attribute"), |
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287 |
("tagged", tagged, "tagged theorem"), |
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288 |
("untagged", untagged, "untagged theorem"), |
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("kind", kind, "theorem kind"), |
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("COMP", COMP_att, "direct composition with rules (no lifting)"), |
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("THEN", THEN_att, "resolution with rule"), |
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("OF", OF_att, "rule applied to facts"), |
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("rename_abs", rename_abs, "rename bound variables in abstractions"), |
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("unfolded", unfolded, "unfolded definitions"), |
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("folded", folded, "folded definitions"), |
|
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("standard", standard, "result put into standard form"), |
|
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("elim_format", elim_format, "destruct rule turned into elimination rule format"), |
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("no_vars", no_vars, "frozen schematic vars"), |
|
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("eta_long", eta_long, "put theorem into eta long beta normal form"), |
|
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("consumes", consumes, "number of consumed facts"), |
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("case_names", case_names, "named rule cases"), |
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("case_conclusion", case_conclusion, "named conclusion of rule cases"), |
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("params", params, "named rule parameters"), |
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("atomize", no_args ObjectLogic.declare_atomize, "declaration of atomize rule"), |
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("rulify", no_args ObjectLogic.declare_rulify, "declaration of rulify rule"), |
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("rule_format", rule_format, "result put into standard rule format"), |
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("rotated", rotated, "rotated theorem premises"), |
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("defn", add_del_args LocalDefs.defn_add LocalDefs.defn_del, |
|
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"declaration of definitional transformations")])); |
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|
5823 | 311 |
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312 |
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(** configuration options **) |
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|
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(* naming *) |
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|
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structure Configs = TheoryDataFun |
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( |
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type T = Config.value Config.T Symtab.table; |
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val empty = Symtab.empty; |
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val copy = I; |
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val extend = I; |
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fun merge _ = Symtab.merge (K true); |
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); |
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fun print_configs ctxt = |
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let |
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val thy = ProofContext.theory_of ctxt; |
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fun prt (name, config) = |
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let val value = Config.get ctxt config in |
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Pretty.block [Pretty.str (name ^ ": " ^ Config.print_type value ^ " ="), Pretty.brk 1, |
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Pretty.str (Config.print_value value)] |
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end; |
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val configs = NameSpace.extern_table (#1 (Attributes.get thy), Configs.get thy); |
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in Pretty.writeln (Pretty.big_list "configuration options" (map prt configs)) end; |
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|
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|
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(* concrete syntax *) |
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|
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local |
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|
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val equals = Args.$$$ "="; |
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|
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fun scan_value (Config.Bool _) = |
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equals -- Args.$$$ "false" >> K (Config.Bool false) || |
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equals -- Args.$$$ "true" >> K (Config.Bool true) || |
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Scan.succeed (Config.Bool true) |
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| scan_value (Config.Int _) = equals |-- Args.int >> Config.Int |
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| scan_value (Config.String _) = equals |-- Args.name >> Config.String; |
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|
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fun scan_config thy config = |
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let val config_type = Config.get_thy thy config |
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in scan_value config_type >> (K o Thm.declaration_attribute o K o Config.put_generic config) end; |
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|
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in |
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|
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fun register_config config thy = |
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let |
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val bname = Config.name_of config; |
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val name = Sign.full_name thy bname; |
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in |
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thy |
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|> add_attributes [(bname, syntax (Scan.lift (scan_config thy config) >> Morphism.form), |
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"configuration option")] |
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|> Configs.map (Symtab.update (name, config)) |
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end; |
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|
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fun declare_config make coerce global name default = |
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let |
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val config_value = Config.declare global name (make default); |
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val config = coerce config_value; |
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in (config, register_config config_value) end; |
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|
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val config_bool = declare_config Config.Bool Config.bool false; |
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val config_int = declare_config Config.Int Config.int false; |
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val config_string = declare_config Config.String Config.string false; |
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|
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val config_bool_global = declare_config Config.Bool Config.bool true; |
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val config_int_global = declare_config Config.Int Config.int true; |
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val config_string_global = declare_config Config.String Config.string true; |
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|
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end; |
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|
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384 |
|
18636 | 385 |
(* theory setup *) |
5823 | 386 |
|
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val _ = Context.>> (Context.map_theory |
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(register_config Unify.trace_bound_value #> |
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register_config Unify.search_bound_value #> |
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register_config Unify.trace_simp_value #> |
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register_config Unify.trace_types_value #> |
26463 | 392 |
register_config MetaSimplifier.simp_depth_limit_value)); |
5823 | 393 |
|
394 |
end; |
|
395 |
||
396 |
structure BasicAttrib: BASIC_ATTRIB = Attrib; |
|
397 |
open BasicAttrib; |