(*  Title:      Pure/System/build.ML

    Author:     Makarius

Build Isabelle sessions.

*)

signature BUILD =

sig

  val build: string -> unit

end;

structure Build: BUILD =

struct

local

fun no_document options =

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

  (Options.string options "document_dump" = "");

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")

    |> no_document options ? Present.no_document

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

    |> 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 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 thys

    | conds =>

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

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

  end;

in

fun build args_file =

  let

    val (do_output, (options, (timing, (verbose, (browser_info, (parent_base_name,

        (name, (base_name, theories)))))))) =

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

        let open XML.Decode in

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

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

        end;

    val _ =

      Session.init do_output false

        (Options.bool options "browser_info") browser_info

        (Options.string options "document")

        (Options.bool options "document_graph")

        (space_explode ":" (Options.string options "document_variants"))

        parent_base_name base_name

        (not (Options.bool options "document_dump_only"), Options.string options "document_dump")

        "" verbose;

    val _ = Session.with_timing name timing (List.app use_theories) theories;

    val _ = Session.finish ();

    val _ = if do_output then () else quit ();

  in () end

  handle exn => (Output.error_msg (ML_Compiler.exn_message exn); exit 1);

end;

end;