doc-src/more_antiquote.ML
author haftmann
Thu Jan 14 09:18:08 2010 +0100 (2010-01-14)
changeset 34896 a22b09addd78
parent 34072 99eda1d59da9
child 35246 bcbb5ba7dbbc
permissions -rw-r--r--
adjusted to changes in code equation administration
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(*  Title:      doc-src/more_antiquote.ML
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    Author:     Florian Haftmann, TU Muenchen
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More antiquotations.
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*)
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signature MORE_ANTIQUOTE =
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sig
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  val typewriter: string -> string
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end;
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structure More_Antiquote : MORE_ANTIQUOTE =
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struct
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(* printing typewriter lines *)
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fun typewriter s =
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  let
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    val parse = Scan.repeat
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      (Scan.this_string "\n" |-- Scan.succeed "\\\\\n\\hspace*{0pt}"
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        || (Scan.this_string " "
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          || Scan.this_string "."
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          || Scan.this_string ","
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          || Scan.this_string ":"
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          || Scan.this_string ";"
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          || Scan.this_string "\"" |-- Scan.succeed "{\\char34}"
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          || Scan.this_string "#" |-- Scan.succeed "{\\char35}"
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          || Scan.this_string "$" |-- Scan.succeed "{\\char36}"
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          || Scan.this_string "%" |-- Scan.succeed "{\\char37}"
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          || Scan.this_string "&" |-- Scan.succeed "{\\char38}"
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          || Scan.this_string "\\" |-- Scan.succeed "{\\char92}"
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          || Scan.this_string "^" |-- Scan.succeed "{\\char94}"
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          || Scan.this_string "_" |-- Scan.succeed "{\\char95}"
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          || Scan.this_string "{" |-- Scan.succeed "{\\char123}"
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          || Scan.this_string "}" |-- Scan.succeed "{\\char125}"
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          || Scan.this_string "~" |-- Scan.succeed "{\\char126}")
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          -- Scan.repeat (Scan.this_string " ")
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          >> (fn (x, xs) => x ^ replicate_string (length xs) "~")
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        || Scan.one Symbol.not_eof);
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    fun is_newline s = (s = "\n");
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    val cs = explode s |> take_prefix is_newline |> snd
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      |> take_suffix is_newline |> fst;
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    val (texts, []) =  Scan.finite Symbol.stopper parse cs
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  in if null texts
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    then ""
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    else implode ("\\isatypewriter%\n\\noindent%\n\\hspace*{0pt}" :: texts)
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  end
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(* class and type constructor antiquotation *)
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local
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val pr_text = enclose "\\isa{" "}" o Pretty.output o Pretty.str;
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fun pr_class ctxt = Sign.read_class (ProofContext.theory_of ctxt)
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  #> Sign.extern_class (ProofContext.theory_of ctxt)
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  #> pr_text;
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fun pr_type ctxt = Sign.intern_type (ProofContext.theory_of ctxt)
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  #> tap (Sign.arity_number (ProofContext.theory_of ctxt))
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  #> Sign.extern_type (ProofContext.theory_of ctxt)
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  #> pr_text;
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in
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val _ = ThyOutput.antiquotation "class" (Scan.lift Args.name) (pr_class o #context);
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val _ = ThyOutput.antiquotation "type" (Scan.lift Args.name) (pr_type o #context);
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end;
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(* code theorem antiquotation *)
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local
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fun pretty_term ctxt t = Syntax.pretty_term (Variable.auto_fixes t ctxt) t;
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fun pretty_thm ctxt = pretty_term ctxt o Thm.full_prop_of;
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fun no_vars ctxt thm =
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  let
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    val ctxt' = Variable.set_body false ctxt;
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    val ((_, [thm]), _) = Variable.import true [thm] ctxt';
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  in thm end;
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fun pretty_code_thm src ctxt raw_const =
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  let
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    val thy = ProofContext.theory_of ctxt;
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    val const = Code.check_const thy raw_const;
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    val (_, eqngr) = Code_Preproc.obtain thy [const] [];
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    fun holize thm = @{thm meta_eq_to_obj_eq} OF [thm];
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    val thms = Code_Preproc.cert eqngr const
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      |> Code.equations_thms_cert thy
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      |> snd
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      |> map_filter (fn (_, (thm, proper)) => if proper then SOME thm else NONE)
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      |> map (holize o no_vars ctxt o AxClass.overload thy);
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  in ThyOutput.output (ThyOutput.maybe_pretty_source (pretty_thm ctxt) src thms) end;
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in
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val _ = ThyOutput.antiquotation "code_thms" Args.term
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  (fn {source, context, ...} => pretty_code_thm source context);
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end;
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(* code antiquotation *)
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local
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  val parse_const_terms = Scan.repeat1 Args.term
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    >> (fn ts => fn thy => map (Code.check_const thy) ts);
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  val parse_consts = Scan.lift (Args.parens (Args.$$$ "consts")) |-- parse_const_terms
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    >> (fn mk_cs => fn thy => fn naming => map_filter (Code_Thingol.lookup_const naming) (mk_cs thy));
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  val parse_types = Scan.lift (Args.parens (Args.$$$ "types") |-- Scan.repeat1 Args.name)
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    >> (fn tycos => fn thy => fn naming => map_filter (Code_Thingol.lookup_tyco naming o Sign.intern_type thy) tycos);
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  val parse_classes = Scan.lift (Args.parens (Args.$$$ "classes") |-- Scan.repeat1 Args.name)
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    >> (fn classes => fn thy => fn naming => map_filter (Code_Thingol.lookup_class naming o Sign.intern_class thy) classes);
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  val parse_instances = Scan.lift (Args.parens (Args.$$$ "instances") |-- Scan.repeat1 (Args.name --| Args.$$$ "::" -- Args.name))
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    >> (fn insts => fn thy => fn naming => map_filter (Code_Thingol.lookup_instance naming o apsnd (Sign.intern_type thy) o apfst (Sign.intern_class thy) o swap) insts);
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  val parse_names = parse_consts || parse_types || parse_classes || parse_instances;
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in
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val _ = ThyOutput.antiquotation "code_stmts"
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  (parse_const_terms -- Scan.repeat parse_names -- Scan.lift (Args.parens Args.name))
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  (fn {context = ctxt, ...} => fn ((mk_cs, mk_stmtss), target) =>
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    let val thy = ProofContext.theory_of ctxt in
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      Code_Target.code_of thy
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        target NONE "Example" (mk_cs thy)
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        (fn naming => maps (fn f => f thy naming) mk_stmtss)
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      |> typewriter
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    end);
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end;
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end;