(*  Title:      doc-src/antiquote_setup.ML

    Author:     Makarius

Auxiliary antiquotations for the Isabelle manuals.

*)

structure AntiquoteSetup: sig end =

struct

(* misc utils *)

fun translate f = Symbol.explode #> map f #> implode;

val clean_string = translate

  (fn "_" => "\\_"

    | "#" => "\\#"

    | "<" => "$<$"

    | ">" => "$>$"

    | "{" => "\\{"

    | "|" => "$\\mid$"

    | "}" => "\\}"

    | "\<dash>" => "-"

    | c => c);

fun clean_name "\<dots>" = "dots"

  | clean_name ".." = "ddot"

  | clean_name "." = "dot"

  | clean_name "_" = "underscore"

  | clean_name "{" = "braceleft"

  | clean_name "}" = "braceright"

  | clean_name s = s |> translate (fn "_" => "-" | "\<dash>" => "-" | c => c);

(* verbatim text *)

val verbatim = space_implode "\\verb,|," o map (enclose "\\verb|" "|") o space_explode "|";

val _ = Thy_Output.antiquotation "verbatim" (Scan.lift Args.name)

  (K (split_lines #> map verbatim #> space_implode "\\isasep\\isanewline%\n"));

(* ML text *)

local

fun ml_val (txt1, "") = "fn _ => (" ^ txt1 ^ ");"

  | ml_val (txt1, txt2) = "fn _ => (" ^ txt1 ^ " : " ^ txt2 ^ ");";

fun ml_type (txt1, "") = "val _ = NONE : (" ^ txt1 ^ ") option;"

  | ml_type (txt1, txt2) = "val _ = [NONE : (" ^ txt1 ^ ") option, NONE : (" ^ txt2 ^ ") option];";

fun ml_exn (txt1, "") = "fn _ => (" ^ txt1 ^ " : exn);"

  | ml_exn (txt1, txt2) = "fn _ => (" ^ txt1 ^ " : " ^ txt2 ^ " -> exn);";

fun ml_structure (txt, _) = "functor XXX() = struct structure XX = " ^ txt ^ " end;";

fun ml_functor (txt, _) = "ML_Env.check_functor " ^ ML_Syntax.print_string txt;

val is_name = ML_Lex.kind_of #> (fn kind => kind = ML_Lex.Ident orelse kind = ML_Lex.LongIdent);

fun ml_name txt =

  (case filter is_name (ML_Lex.tokenize txt) of

    toks as [_] => ML_Lex.flatten toks

  | _ => error ("Single ML name expected in input: " ^ quote txt));

fun index_ml name kind ml = Thy_Output.antiquotation name

  (Scan.lift (Args.name -- Scan.optional (Args.colon |-- Args.name) ""))

  (fn {context = ctxt, ...} => fn (txt1, txt2) =>

    let

      val txt =

        if txt2 = "" then txt1

        else if kind = "type" then txt1 ^ " = " ^ txt2

        else if kind = "exception" then txt1 ^ " of " ^ txt2

        else if Syntax.is_identifier (Long_Name.base_name (ml_name txt1)) then txt1 ^ ": " ^ txt2

        else txt1 ^ " : " ^ txt2;

      val txt' = if kind = "" then txt else kind ^ " " ^ txt;

      val _ = ML_Context.eval_text_in (SOME ctxt) false Position.none (ml (txt1, txt2));  (* ML_Lex.read (!?) *)

      val kind' = if kind = "" then "ML" else "ML " ^ kind;

    in

      "\\indexdef{}{" ^ kind' ^ "}{" ^ clean_string (ml_name txt1) ^ "}" ^

      (txt'

      |> (if Config.get ctxt Thy_Output.quotes then quote else I)

      |> (if Config.get ctxt Thy_Output.display then enclose "\\begin{verbatim}\n" "\n\\end{verbatim}"

          else split_lines #> map verbatim #> space_implode "\\isasep\\isanewline%\n"))

    end);

in

val _ = index_ml "index_ML" "" ml_val;

val _ = index_ml "index_ML_type" "type" ml_type;

val _ = index_ml "index_ML_exn" "exception" ml_exn;

val _ = index_ml "index_ML_structure" "structure" ml_structure;

val _ = index_ml "index_ML_functor" "functor" ml_functor;

end;

(* named theorems *)

val _ = Thy_Output.antiquotation "named_thms"

  (Scan.repeat (Attrib.thm -- Scan.lift (Args.parens Args.name)))

  (fn {context = ctxt, ...} =>

    map (apfst (Thy_Output.pretty_thm ctxt))

    #> (if Config.get ctxt Thy_Output.quotes then map (apfst Pretty.quote) else I)

    #> (if Config.get ctxt Thy_Output.display

        then

          map (fn (p, name) =>

            Output.output (Pretty.string_of (Pretty.indent (Config.get ctxt Thy_Output.indent) p)) ^

            "\\rulename{" ^ Output.output (Pretty.str_of (Thy_Output.pretty_text ctxt name)) ^ "}")

          #> space_implode "\\par\\smallskip%\n"

          #> enclose "\\begin{isabelle}%\n" "%\n\\end{isabelle}"

        else

          map (fn (p, name) =>

            Output.output (Pretty.str_of p) ^

            "\\rulename{" ^ Output.output (Pretty.str_of (Thy_Output.pretty_text ctxt name)) ^ "}")

          #> space_implode "\\par\\smallskip%\n"

          #> enclose "\\isa{" "}"));

(* theory file *)

val _ = Thy_Output.antiquotation "thy_file" (Scan.lift Args.name)

  (fn {context = ctxt, ...} =>

    fn name => (Thy_Load.check_thy Path.current name; Thy_Output.output ctxt [Pretty.str name]));

(* Isabelle/Isar entities (with index) *)

local

fun no_check _ _ = true;

fun thy_check intern defined ctxt =

  let val thy = ProofContext.theory_of ctxt

  in defined thy o intern thy end;

fun check_tool name =

  File.exists (Path.append (Path.explode "~~/lib/Tools") (Path.basic name));

val arg = enclose "{" "}" o clean_string;

fun entity check markup kind index =

  Thy_Output.antiquotation

    (translate (fn " " => "_" | c => c) kind ^

      (case index of NONE => "" | SOME true => "_def" | SOME false => "_ref"))

    (Scan.lift (Scan.optional (Args.parens Args.name) "" -- Args.name))

    (fn {context = ctxt, ...} => fn (logic, name) =>

      let

        val hyper_name =

          "{" ^ Long_Name.append kind (Long_Name.append logic (clean_name name)) ^ "}";

        val hyper =

          enclose ("\\hyperlink" ^ hyper_name ^ "{") "}" #>

          index = SOME true ? enclose ("\\hypertarget" ^ hyper_name ^ "{") "}";

        val idx =

          (case index of

            NONE => ""

          | SOME is_def =>

              "\\index" ^ (if is_def then "def" else "ref") ^ arg logic ^ arg kind ^ arg name);

      in

        if check ctxt name then

          idx ^

          (Output.output name

            |> (if markup = "" then I else enclose ("\\" ^ markup ^ "{") "}")

            |> (if Config.get ctxt Thy_Output.quotes then quote else I)

            |> (if Config.get ctxt Thy_Output.display

                then enclose "\\begin{isabelle}%\n" "%\n\\end{isabelle}"

                else hyper o enclose "\\mbox{\\isa{" "}}"))

        else error ("Bad " ^ kind ^ " " ^ quote name)

      end);

fun entity_antiqs check markup kind =

 ((entity check markup kind NONE);

  (entity check markup kind (SOME true));

  (entity check markup kind (SOME false)));

in

val _ = entity_antiqs no_check "" "syntax";

val _ = entity_antiqs (K (is_some o Keyword.command_keyword)) "isacommand" "command";

val _ = entity_antiqs (K Keyword.is_keyword) "isakeyword" "keyword";

val _ = entity_antiqs (K Keyword.is_keyword) "isakeyword" "element";

val _ = entity_antiqs (thy_check Method.intern Method.defined) "" "method";

val _ = entity_antiqs (thy_check Attrib.intern Attrib.defined) "" "attribute";

val _ = entity_antiqs no_check "" "fact";

val _ = entity_antiqs no_check "" "variable";

val _ = entity_antiqs no_check "" "case";

val _ = entity_antiqs (K Thy_Output.defined_command) "" "antiquotation";

val _ = entity_antiqs (K Thy_Output.defined_option) "" "antiquotation option";

val _ = entity_antiqs (fn _ => fn name => is_some (OS.Process.getEnv name)) "isatt" "setting";

val _ = entity_antiqs no_check "" "inference";

val _ = entity_antiqs no_check "isatt" "executable";

val _ = entity_antiqs (K check_tool) "isatt" "tool";

val _ = entity_antiqs (K (File.exists o Path.explode)) "isatt" "file";

val _ = entity_antiqs (K (can Thy_Info.get_theory)) "" "theory";

val _ = entity_antiqs no_check "" "ML antiquotation";  (* FIXME proper check *)

end;

end;