Quelle jedit_session.scala Sprache: Scala

/*  Title:      Tools/jEdit/src/jedit_session.scala
    Author:     Makarius

PIDE editor session for Isabelle/jEdit, with specific information based on
implicit process environment and explicit options.
*/

package isabelle.jedit

import isabelle._

object JEdit_Session {
  /* session options */

  def session_dirs: List[Path] =
    Path.split(Isabelle_System.getenv("JEDIT_SESSION_DIRS")).filterNot(p => p.implode == "-")

  def session_no_build: Boolean =
    Isabelle_System.getenv("JEDIT_NO_BUILD") == "true"

  def session_options(options: Options): Options = {
    val options1 =
      Isabelle_System.getenv("JEDIT_BUILD_MODE") match {
        case "default" => options
        case mode => options.bool.update("system_heaps", mode == "system")
      }

    val options2 =
      Isabelle_System.getenv("JEDIT_PROCESS_POLICY") match {
        case "" => options1
        case s => options1.string.update("process_policy", s)
      }

    options2
  }

  def sessions_structure(
    options: Options = PIDE.options.value,
    dirs: List[Path] = session_dirs
  ): Sessions.Structure = {
    Sessions.load_structure(session_options(options), dirs = dirs)
  }

  /* raw logic info */

  private val jedit_logic_option = "jedit_logic"

  def logic_name(options: Options): String =
    Isabelle_System.default_logic(
      Isabelle_System.getenv("JEDIT_LOGIC"),
      options.string(jedit_logic_option))

  def logic_ancestor: Option[String] = proper_string(Isabelle_System.getenv("JEDIT_LOGIC_ANCESTOR"))
  def logic_requirements: Boolean = Isabelle_System.getenv("JEDIT_LOGIC_REQUIREMENTS") == "true"
  def logic_include_sessions: List[String] =
    space_explode(':', Isabelle_System.getenv("JEDIT_INCLUDE_SESSIONS"))

  def logic_info(options: Options): Option[Sessions.Info] =
    try { sessions_structure(options = options).get(logic_name(options)) }
    catch { case ERROR(_) => None }

  def logic_root(options: Options): Position.T =
    if (logic_requirements) logic_info(options).map(_.pos) getOrElse Position.none
    else Position.none

  /* session selectors */

  class Selector(
    val options: Options_Variable,
    val option_name: String,
    standalone: Boolean,
    batches: List[GUI.Selector.Entry[String]]*)
  extends GUI.Selector[String](batches: _*) with JEdit_Options.Entry {
    name = option_name
    tooltip =
      if (standalone) Word.capitalized(options.value.description(option_name))
      else options.value.check_name(option_name).print_default

    override val title: String =
      options.value.check_name(option_name).title_jedit
    override def load(): Unit = {
      val value = options.string(option_name)
      for (entry <- find_value(_ == value) if selection.item != entry) {
        selection.item = entry
      }
    }
    override def save(): Unit =
      for (value <- selection_value) options.string(option_name) = value

    override def changed(): Unit = if (standalone) save()

    load()
  }

  def logic_selector(options: Options_Variable, standalone: Boolean = false): Selector =
    GUI_Thread.require {
      val sessions = sessions_structure(options = options.value)
      val all_sessions = sessions.imports_topological_order
      val main_sessions = all_sessions.filter(name => sessions(name).main_group)

      val default_entry =
        GUI.Selector.item_description("", "default (" + logic_name(options.value) + ")")

      new Selector(options, jedit_logic_option, standalone,
        default_entry :: main_sessions.map(GUI.Selector.item),
        all_sessions.sorted.map(GUI.Selector.item))
    }

  def document_selector(options: Options_Variable, standalone: Boolean = false): Selector =
    GUI_Thread.require {
      val sessions = sessions_structure(options = options.value + "document")
      val all_sessions =
        sessions.build_topological_order.filter(name => sessions(name).documents.nonEmpty).sorted
      val doc_sessions = all_sessions.filter(name => sessions(name).doc_group)
      val unsorted_sessions = all_sessions.filter(name => sessions(name).unsorted_chapter)

      val batches =
        (if (unsorted_sessions.nonEmpty) List(unsorted_sessions.map(GUI.Selector.item)) else Nil) :::
          List(doc_sessions.map(GUI.Selector.item), all_sessions.map(GUI.Selector.item))
      new Selector(options, "editor_document_session", standalone, batches:_*)
    }

  /* build session */

  def session_background(options: Options): Sessions.Background =
    Sessions.background(options,
      dirs = session_dirs,
      include_sessions = logic_include_sessions,
      session = logic_name(options),
      session_ancestor = logic_ancestor,
      session_requirements = logic_requirements)

  def session_build(progress: Progress): Int =
    PIDE.session.build(progress = progress, dirs = session_dirs).rc

  def session_build_ok(): Boolean =
    session_no_build || PIDE.session.build(dirs = session_dirs, no_build = true).ok

  /* start session */

  def session_modes(options: Options): List[String] =
    (space_explode(',', options.string("jedit_print_mode")) :::
     space_explode(',', Isabelle_System.getenv("JEDIT_PRINT_MODE"))).reverse

  def session_start(): Unit = {
    val session = PIDE.session
    val store = session.store
    val session_background = session.resources.session_background

    session.phase_changed += PIDE.plugin.session_phase_changed

    Isabelle_Process.start(store.options, session, session_background,
      store.session_heaps(session_background, logic = session_background.session_name),
      modes = session_modes(store.options))
  }
}

class JEdit_Session(_session_options: => Options) extends Session {
  override def session_options: Options = _session_options
  override val resources: JEdit_Resources = JEdit_Resources(session_options)
  override val store: Store = Store(JEdit_Session.session_options(session_options))

  override def auto_resolve: Boolean = session_options.bool("jedit_auto_resolve")
}

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Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

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