(*  Title:      Pure/Tools/build.ML

    Author:     Makarius

Build Isabelle sessions.

*)

signature BUILD =

sig

  val build: string -> unit

end;

structure Build: BUILD =

struct

(* protocol messages *)

local

fun ML_statistics (function :: stats) "" =

      if function = Markup.ML_statistics then SOME stats

      else NONE

  | ML_statistics _ _ = NONE;

fun task_statistics (function :: stats) "" =

      if function = Markup.task_statistics then SOME stats

      else NONE

  | task_statistics _ _ = NONE;

val print_properties = YXML.string_of_body o XML.Encode.properties;

in

fun protocol_message props output =

  (case ML_statistics props output of

    SOME stats => writeln ("\fML_statistics = " ^ print_properties stats)

  | NONE =>

      (case task_statistics props output of

        SOME stats => writeln ("\ftask_statistics = " ^ print_properties stats)

      | NONE =>

          (case Markup.dest_loading_theory props of

            SOME name => writeln ("\floading_theory = " ^ name)

          | NONE => raise Fail "Undefined Output.protocol_message")));

end;

(* build *)

local

fun no_document options =

  (case Options.string options "document" of "" => true | "false" => true | _ => false);

fun use_thys options =

  Thy_Info.use_thys

    |> Unsynchronized.setmp Proofterm.proofs (Options.int options "proofs")

    |> Unsynchronized.setmp print_mode

        (space_explode "," (Options.string options "print_mode") @ print_mode_value ())

    |> Unsynchronized.setmp Goal.parallel_proofs (Options.int options "parallel_proofs")

    |> Unsynchronized.setmp Goal.parallel_proofs_threshold

        (Options.int options "parallel_proofs_threshold")

    |> Unsynchronized.setmp Multithreading.trace (Options.int options "threads_trace")

    |> Unsynchronized.setmp Multithreading.max_threads (Options.int options "threads")

    |> Unsynchronized.setmp Future.ML_statistics true

    |> no_document options ? Present.no_document

    |> Unsynchronized.setmp quick_and_dirty (Options.bool options "quick_and_dirty")

    |> Unsynchronized.setmp Toplevel.skip_proofs (Options.bool options "skip_proofs")

    |> Unsynchronized.setmp Printer.show_question_marks_default

        (Options.bool options "show_question_marks")

    |> Unsynchronized.setmp Name_Space.names_long_default (Options.bool options "names_long")

    |> Unsynchronized.setmp Name_Space.names_short_default (Options.bool options "names_short")

    |> Unsynchronized.setmp Name_Space.names_unique_default (Options.bool options "names_unique")

    |> Unsynchronized.setmp Thy_Output.display_default (Options.bool options "thy_output_display")

    |> Unsynchronized.setmp Thy_Output.quotes_default (Options.bool options "thy_output_quotes")

    |> Unsynchronized.setmp Thy_Output.indent_default (Options.int options "thy_output_indent")

    |> Unsynchronized.setmp Thy_Output.source_default (Options.bool options "thy_output_source")

    |> Unsynchronized.setmp Thy_Output.break_default (Options.bool options "thy_output_break")

    |> Unsynchronized.setmp Pretty.margin_default (Options.int options "pretty_margin")

    |> Unsynchronized.setmp Toplevel.timing (Options.bool options "timing");

fun use_theories (options, thys) =

  let val condition = space_explode "," (Options.string options "condition") in

    (case filter_out (can getenv_strict) condition of

      [] => use_thys options (map (rpair Position.none) thys)

    | conds =>

        Output.physical_stderr ("Skipping theories " ^ commas_quote thys ^

          " (undefined " ^ commas conds ^ ")\n"))

  end;

in

fun build args_file = Command_Line.tool (fn () =>

    let

      val (do_output, (options, (verbose, (browser_info, (parent_name,

          (name, theories)))))) =

        File.read (Path.explode args_file) |> YXML.parse_body |>

          let open XML.Decode in

            pair bool (pair Options.decode (pair bool (pair string (pair string

              (pair string ((list (pair Options.decode (list string)))))))))

          end;

      val document_variants =

        map Present.read_variant (space_explode ":" (Options.string options "document_variants"));

      val _ =

        (case duplicates (op =) (map fst document_variants) of

          [] => ()

        | dups => error ("Duplicate document variants: " ^ commas_quote dups));

      val _ = writeln ("\fSession.name = " ^ name);

      val _ =

        (case Session.path () of

          [] => ()

        | path => writeln ("\fSession.parent_path = " ^ space_implode "/" path));

      val _ =

        Session.init do_output false

          (Options.bool options "browser_info") browser_info

          (Options.string options "document")

          (Options.bool options "document_graph")

          (Options.string options "document_output")

          document_variants

          parent_name name

          (false, "") ""

          verbose;

      val res1 =

        theories |>

          (List.app use_theories

            |> Session.with_timing name verbose

            |> Unsynchronized.setmp Output.Private_Hooks.protocol_message_fn protocol_message

            |> Unsynchronized.setmp Multithreading.max_threads (Options.int options "threads")

            |> Exn.capture);

      val res2 = Exn.capture Session.finish ();

      val _ = Par_Exn.release_all [res1, res2];

      val _ = if do_output then () else exit 0;

    in 0 end);

end;

end;