(*  Title:      Doc/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 _ = ThyOutput.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 DUMMY_FUNCTOR() = struct structure DUMMY = " ^ txt ^ " end;"

 fun ml_functor _ = "val _ = ();";  (*no check!*)

 fun index_ml kind ml src ctxt (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 txt1 ^ ": " ^ txt2;

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

     val _ = ML_Context.eval_in (SOME ctxt) false Position.none (ml (txt1, txt2));

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

   in

     "\\indexdef{}{" ^ kind' ^ "}{" ^ clean_string txt1 ^ "}" ^

     (txt'

     |> (if ! ThyOutput.quotes then quote else I)

     |> (if ! ThyOutput.display then enclose "\\begin{verbatim}\n" "\n\\end{verbatim}"

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

   end;

 fun output_ml ctxt src =

   if ! ThyOutput.display then enclose "\\begin{verbatim}\n" "\n\\end{verbatim}"

   else

     split_lines

     #> map (space_implode "\\verb,|," o map (enclose "\\verb|" "|") o space_explode "|")

     #> space_implode "\\isasep\\isanewline%\n";

 fun ml_args x = ThyOutput.args (Scan.lift (Args.name -- Scan.optional (Args.colon |-- Args.name) "")) x;

 in

 val _ = ThyOutput.add_commands

  [("index_ML", ml_args (index_ml "" ml_val)),

   ("index_ML_type", ml_args (index_ml "type" ml_type)),

   ("index_ML_exn", ml_args (index_ml "exception" ml_exn)),

   ("index_ML_structure", ml_args (index_ml "structure" ml_structure)),

   ("index_ML_functor", ml_args (index_ml "functor" ml_functor)),

   ("ML_functor", ThyOutput.args (Scan.lift Args.name) output_ml),

   ("ML_text", ThyOutput.args (Scan.lift Args.name) output_ml)];

 end;

 (* theorems with names *)

 local

 fun output_named_thms src ctxt xs =

   map (apfst (ThyOutput.pretty_thm ctxt)) xs        (*always pretty in order to exhibit errors!*)

   |> (if ! ThyOutput.quotes then map (apfst Pretty.quote) else I)

   |> (if ! ThyOutput.display then

     map (fn (p, name) =>

       Output.output (Pretty.string_of (Pretty.indent (! ThyOutput.indent) p)) ^

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

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

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

 in

 val _ = ThyOutput.add_commands

  [("named_thms", ThyOutput.args (Scan.repeat (Attrib.thm --

       Scan.lift (Args.parens Args.name))) output_named_thms)];

 end;

 (* theory files *)

 val _ = ThyOutput.add_commands

  [("thy_file", ThyOutput.args (Scan.lift Args.name) (ThyOutput.output (fn _ => fn name =>

       (ThyLoad.check_thy Path.current name; Pretty.str name))))];

 (* Isabelle 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 output_entity check markup index kind ctxt (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 ! ThyOutput.quotes then quote else I)

         |> (if ! ThyOutput.display then enclose "\\begin{isabelle}%\n" "%\n\\end{isabelle}"

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

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

   end;

 fun entity check markup index kind =

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

     (K (output_entity check markup index kind));

 fun entity_antiqs check markup kind =

  [(kind, entity check markup NONE kind),

   (kind ^ "_def", entity check markup (SOME true) kind),

   (kind ^ "_ref", entity check markup (SOME false) kind)];

 in

 val _ = ThyOutput.add_commands

  (entity_antiqs no_check "" "syntax" @

   entity_antiqs (K (is_some o OuterKeyword.command_keyword)) "isacommand" "command" @

   entity_antiqs (K OuterKeyword.is_keyword) "isakeyword" "keyword" @

   entity_antiqs (K OuterKeyword.is_keyword) "isakeyword" "element" @

   entity_antiqs (thy_check Method.intern Method.defined) "" "method" @

   entity_antiqs (thy_check Attrib.intern Attrib.defined) "" "attribute" @

   entity_antiqs no_check "" "fact" @

   entity_antiqs no_check "" "variable" @

   entity_antiqs no_check "" "case" @

   entity_antiqs (K ThyOutput.defined_command) "" "antiquotation" @

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

   entity_antiqs no_check "" "inference" @

   entity_antiqs no_check "isatt" "executable" @

   entity_antiqs (K check_tool) "isatt" "tool" @

   entity_antiqs (K (File.exists o Path.explode)) "isatt" "file" @

   entity_antiqs (K ThyInfo.known_thy) "" "theory");

 end;

 end;