src/Tools/jEdit/src/plugin.scala
author wenzelm
Tue, 11 Sep 2012 19:19:39 +0200
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child 49406 38db4832b210
permissions -rw-r--r--
more options;
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/*  Title:      Tools/jEdit/src/plugin.scala
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    Author:     Makarius
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Main Isabelle/jEdit plugin setup.
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*/
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package isabelle.jedit
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import isabelle._
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import java.lang.System
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import java.awt.Font
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import javax.swing.JOptionPane
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import scala.collection.mutable
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import scala.swing.{ListView, ScrollPane}
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import org.gjt.sp.jedit.{jEdit, GUIUtilities, EBMessage, EBPlugin,
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  Buffer, EditPane, ServiceManager, View}
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import org.gjt.sp.jedit.buffer.JEditBuffer
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import org.gjt.sp.jedit.textarea.{JEditTextArea, TextArea}
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import org.gjt.sp.jedit.syntax.{Token => JEditToken, ModeProvider}
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import org.gjt.sp.jedit.msg.{EditorStarted, BufferUpdate, EditPaneUpdate, PropertiesChanged}
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import org.gjt.sp.jedit.gui.DockableWindowManager
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import org.gjt.sp.util.SyntaxUtilities
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import org.gjt.sp.util.Log
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import scala.actors.Actor._
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object Isabelle
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{
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  /* plugin instance */
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  val options = new JEdit_Options
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  @volatile var startup_failure: Option[Throwable] = None
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  @volatile var startup_notified = false
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  @volatile var plugin: Plugin = null
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  @volatile var session: Session = new Session(new JEdit_Thy_Load(Set.empty, Outer_Syntax.empty))
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  def thy_load(): JEdit_Thy_Load =
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    session.thy_load.asInstanceOf[JEdit_Thy_Load]
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  def get_recent_syntax(): Option[Outer_Syntax] =
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  {
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    val current_session = session
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    if (current_session.recent_syntax == Outer_Syntax.empty) None
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    else Some(current_session.recent_syntax)
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  }
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  /* font */
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  def font_family(): String = jEdit.getProperty("view.font")
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  def font_size(): Float =
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    (jEdit.getIntegerProperty("view.fontsize", 16) * options.real("jedit_font_scale")).toFloat
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  /* tooltip markup */
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  def tooltip(text: String): String =
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    "<html><pre style=\"font-family: " + font_family() + "; font-size: " +
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        options.int("jedit_tooltip_font_size").toString + "px; \">" +  // FIXME proper scaling (!?)
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      HTML.encode(text) + "</pre></html>"
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  private val tooltip_lb = Time.seconds(0.5)
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  private val tooltip_ub = Time.seconds(60.0)
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  def tooltip_dismiss_delay(): Time =
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    Time.seconds(options.real("jedit_tooltip_dismiss_delay")) max tooltip_lb min tooltip_ub
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  def setup_tooltips()
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  {
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    Swing_Thread.now {
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      val manager = javax.swing.ToolTipManager.sharedInstance
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      manager.setDismissDelay(tooltip_dismiss_delay().ms.toInt)
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    }
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  }
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  /* icons */
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  def load_icon(name: String): javax.swing.Icon =
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  {
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    val icon = GUIUtilities.loadIcon(name)
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    if (icon.getIconWidth < 0 || icon.getIconHeight < 0)
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      Log.log(Log.ERROR, icon, "Bad icon: " + name)
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    icon
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  }
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  /* buffers */
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  def swing_buffer_lock[A](buffer: JEditBuffer)(body: => A): A =
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    Swing_Thread.now { buffer_lock(buffer) { body } }
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  def buffer_text(buffer: JEditBuffer): String =
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    buffer_lock(buffer) { buffer.getText(0, buffer.getLength) }
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  def buffer_name(buffer: Buffer): String = buffer.getSymlinkPath
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  def buffer_node_dummy(buffer: Buffer): Option[Document.Node.Name] =
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    Some(Document.Node.Name(buffer_name(buffer), buffer.getDirectory, buffer.getName))
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  def buffer_node_name(buffer: Buffer): Option[Document.Node.Name] =
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  {
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    val name = buffer_name(buffer)
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    Thy_Header.thy_name(name).map(theory => Document.Node.Name(name, buffer.getDirectory, theory))
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  }
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  /* main jEdit components */
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  def jedit_buffers(): Iterator[Buffer] = jEdit.getBuffers().iterator
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  def jedit_buffer(name: String): Option[Buffer] =
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    jedit_buffers().find(buffer => buffer_name(buffer) == name)
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  def jedit_views(): Iterator[View] = jEdit.getViews().iterator
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  def jedit_text_areas(view: View): Iterator[JEditTextArea] =
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    view.getEditPanes().iterator.map(_.getTextArea)
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  def jedit_text_areas(): Iterator[JEditTextArea] =
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    jedit_views().flatMap(jedit_text_areas(_))
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  def jedit_text_areas(buffer: JEditBuffer): Iterator[JEditTextArea] =
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    jedit_text_areas().filter(_.getBuffer == buffer)
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  def buffer_lock[A](buffer: JEditBuffer)(body: => A): A =
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  {
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    try { buffer.readLock(); body }
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    finally { buffer.readUnlock() }
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  }
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  /* document model and view */
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  def document_model(buffer: Buffer): Option[Document_Model] = Document_Model(buffer)
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  def document_view(text_area: JEditTextArea): Option[Document_View] = Document_View(text_area)
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  def document_views(buffer: Buffer): List[Document_View] =
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    for {
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      text_area <- jedit_text_areas(buffer).toList
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      doc_view = document_view(text_area)
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      if doc_view.isDefined
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    } yield doc_view.get
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  def exit_model(buffer: Buffer)
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  {
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    swing_buffer_lock(buffer) {
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      jedit_text_areas(buffer).foreach(Document_View.exit)
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      Document_Model.exit(buffer)
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    }
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  }
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  def init_model(buffer: Buffer)
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  {
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    swing_buffer_lock(buffer) {
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      val opt_model =
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        buffer_node_name(buffer) match {
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          case Some(node_name) =>
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            document_model(buffer) match {
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              case Some(model) if model.name == node_name => Some(model)
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              case _ => Some(Document_Model.init(session, buffer, node_name))
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            }
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          case None => None
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        }
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      if (opt_model.isDefined) {
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        for (text_area <- jedit_text_areas(buffer)) {
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          if (document_view(text_area).map(_.model) != opt_model)
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            Document_View.init(opt_model.get, text_area)
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        }
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      }
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    }
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  }
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  def init_view(buffer: Buffer, text_area: JEditTextArea)
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  {
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    swing_buffer_lock(buffer) {
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      document_model(buffer) match {
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        case Some(model) => Document_View.init(model, text_area)
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        case None =>
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      }
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    }
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  }
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  def exit_view(buffer: Buffer, text_area: JEditTextArea)
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  {
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    swing_buffer_lock(buffer) {
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      Document_View.exit(text_area)
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    }
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  }
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  /* dockable windows */
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  private def wm(view: View): DockableWindowManager = view.getDockableWindowManager
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  def docked_session(view: View): Option[Session_Dockable] =
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    wm(view).getDockableWindow("isabelle-session") match {
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      case dockable: Session_Dockable => Some(dockable)
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      case _ => None
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    }
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  def docked_output(view: View): Option[Output_Dockable] =
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    wm(view).getDockableWindow("isabelle-output") match {
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      case dockable: Output_Dockable => Some(dockable)
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      case _ => None
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    }
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  def docked_raw_output(view: View): Option[Raw_Output_Dockable] =
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    wm(view).getDockableWindow("isabelle-raw-output") match {
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      case dockable: Raw_Output_Dockable => Some(dockable)
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      case _ => None
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    }
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  def docked_protocol(view: View): Option[Protocol_Dockable] =
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    wm(view).getDockableWindow("isabelle-protocol") match {
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      case dockable: Protocol_Dockable => Some(dockable)
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      case _ => None
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    }
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  /* convenience actions */
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  private def user_input(text_area: JEditTextArea, s1: String, s2: String = "")
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  {
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    s1.foreach(text_area.userInput(_))
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    s2.foreach(text_area.userInput(_))
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    s2.foreach(_ => text_area.goToPrevCharacter(false))
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  }
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  def input_sub(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.sub_decoded)
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  def input_sup(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.sup_decoded)
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  def input_isub(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.isub_decoded)
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  def input_isup(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.isup_decoded)
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  def input_bsub(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.bsub_decoded, Symbol.esub_decoded)
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  def input_bsup(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.bsup_decoded, Symbol.esup_decoded)
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  def input_bold(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.bold_decoded)
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  def check_buffer(buffer: Buffer)
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  {
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    document_model(buffer) match {
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      case None =>
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      case Some(model) => model.full_perspective()
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    }
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  }
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  def cancel_execution() { session.cancel_execution() }
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}
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34429
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class Plugin extends EBPlugin
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{
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  /* theory files */
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  private lazy val delay_load =
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    Swing_Thread.delay_last(Time.seconds(Isabelle.options.real("editor_load_delay")))
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    {
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      val view = jEdit.getActiveView()
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      val buffers = Isabelle.jedit_buffers().toList
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      if (buffers.forall(_.isLoaded)) {
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        def loaded_buffer(name: String): Boolean =
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          buffers.exists(buffer => Isabelle.buffer_name(buffer) == name)
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        val thys =
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          for (buffer <- buffers; model <- Isabelle.document_model(buffer))
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            yield model.name
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        val thy_info = new Thy_Info(Isabelle.thy_load)
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        // FIXME avoid I/O in Swing thread!?!
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        val files = thy_info.dependencies(true, thys).deps.map(_._1.node).
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          filter(file => !loaded_buffer(file) && Isabelle.thy_load.check_file(view, file))
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        if (!files.isEmpty) {
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          val files_list = new ListView(files.sorted)
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          for (i <- 0 until files.length)
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            files_list.selection.indices += i
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          val answer =
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            Library.confirm_dialog(view,
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              "Auto loading of required files",
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              JOptionPane.YES_NO_OPTION,
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              "The following files are required to resolve theory imports.",
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              "Reload selected files now?",
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              new ScrollPane(files_list))
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          if (answer == 0) {
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            files.foreach(file =>
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              if (files_list.selection.items.contains(file))
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                jEdit.openFile(null: View, file))
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          }
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        }
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      }
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    }
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  /* session manager */
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  private val session_manager = actor {
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    loop {
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      react {
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        case phase: Session.Phase =>
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          phase match {
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            case Session.Failed =>
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              Swing_Thread.later {
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                Library.error_dialog(jEdit.getActiveView, "Prover process failure",
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                    "Isabelle Syslog", Library.scrollable_text(Isabelle.session.current_syslog()))
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              }
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            case Session.Ready =>
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              Isabelle.jedit_buffers.foreach(Isabelle.init_model)
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              Swing_Thread.later { delay_load.invoke() }
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46740
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            case Session.Shutdown =>
852baa599351 explicitly revoke delay, to avoid spurious timer events after deactivation of related components;
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              Isabelle.jedit_buffers.foreach(Isabelle.exit_model)
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              Swing_Thread.later { delay_load.revoke() }
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   323
39735
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   324
            case _ =>
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   325
          }
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        case bad => System.err.println("session_manager: ignoring bad message " + bad)
39630
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      }
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   328
    }
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   329
  }
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   330
44181423183a explicit Session.Phase indication with associated event bus;
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   331
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  /* main plugin plumbing */
34433
3da749b53842 renamed Plugin.plugin to Plugin.self;
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   333
34767
8dd19c5f8c56 added properties_changed event bus;
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   334
  override def handleMessage(message: EBMessage)
34618
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   335
  {
43510
17d431c92575 init/exit model/view synchronously within the swing thread -- EditBus.send in jedit-4.4.1 always runs there;
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   336
    Swing_Thread.assert()
39630
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   337
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    if (Isabelle.startup_failure.isDefined && !Isabelle.startup_notified) {
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      message match {
49100
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   340
        case msg: EditorStarted =>
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   341
          Library.error_dialog(null, "Isabelle plugin startup failure",
49099
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   342
            Library.scrollable_text(Exn.message(Isabelle.startup_failure.get)),
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   343
            "Prover IDE inactive!")
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   344
          Isabelle.startup_notified = true
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   345
        case _ =>
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   346
      }
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   347
    }
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   348
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   349
    if (Isabelle.startup_failure.isEmpty) {
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   350
      message match {
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        case msg: EditorStarted =>
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   352
          if (Isabelle.options.bool("jedit_auto_start"))
49246
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   353
            Isabelle.session.start(Isabelle_Logic.session_args())
37557
1ae272fd4082 refresh Isabelle token marker after buffer properties changed, e.g. when fold mode is switched;
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   354
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   355
        case msg: BufferUpdate
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   356
        if msg.getWhat == BufferUpdate.LOADED || msg.getWhat == BufferUpdate.PROPERTIES_CHANGED =>
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   357
          if (Isabelle.session.is_ready) {
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   358
            val buffer = msg.getBuffer
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   359
            if (buffer != null && !buffer.isLoading) Isabelle.init_model(buffer)
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9d10bd85c1be more explicit Delay operations;
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diff changeset
   360
            Swing_Thread.later { delay_load.invoke() }
49099
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diff changeset
   361
          }
34784
02959dcea756 split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
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   362
49099
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   363
        case msg: EditPaneUpdate
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diff changeset
   364
        if (msg.getWhat == EditPaneUpdate.BUFFER_CHANGING ||
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diff changeset
   365
            msg.getWhat == EditPaneUpdate.BUFFER_CHANGED ||
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   366
            msg.getWhat == EditPaneUpdate.CREATED ||
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   367
            msg.getWhat == EditPaneUpdate.DESTROYED) =>
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   368
          val edit_pane = msg.getEditPane
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   369
          val buffer = edit_pane.getBuffer
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diff changeset
   370
          val text_area = edit_pane.getTextArea
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diff changeset
   371
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diff changeset
   372
          if (buffer != null && text_area != null) {
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diff changeset
   373
            if (msg.getWhat == EditPaneUpdate.BUFFER_CHANGED ||
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diff changeset
   374
                msg.getWhat == EditPaneUpdate.CREATED) {
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diff changeset
   375
              if (Isabelle.session.is_ready)
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diff changeset
   376
                Isabelle.init_view(buffer, text_area)
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diff changeset
   377
            }
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diff changeset
   378
            else Isabelle.exit_view(buffer, text_area)
43510
17d431c92575 init/exit model/view synchronously within the swing thread -- EditBus.send in jedit-4.4.1 always runs there;
wenzelm
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diff changeset
   379
          }
34784
02959dcea756 split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
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diff changeset
   380
49099
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diff changeset
   381
        case msg: PropertiesChanged =>
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diff changeset
   382
          Isabelle.setup_tooltips()
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wenzelm
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diff changeset
   383
          Isabelle.session.global_settings.event(Session.Global_Settings)
34784
02959dcea756 split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
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diff changeset
   384
49099
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diff changeset
   385
        case _ =>
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wenzelm
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diff changeset
   386
      }
34318
c13e168a8ae6 original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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diff changeset
   387
    }
c13e168a8ae6 original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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diff changeset
   388
  }
c13e168a8ae6 original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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diff changeset
   389
34618
e45052ff7233 added Boolean_Property, Int_Property;
wenzelm
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diff changeset
   390
  override def start()
49099
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
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diff changeset
   391
  {
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   392
    try {
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   393
      Isabelle.plugin = this
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   394
      Isabelle_System.init()
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   395
      Isabelle_System.install_fonts()
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   396
49245
cb70157293c0 manage Isabelle/jEdit options as Isabelle/Scala options (with persistent preferences);
wenzelm
parents: 49195
diff changeset
   397
      val init_options = Options.init()
cb70157293c0 manage Isabelle/jEdit options as Isabelle/Scala options (with persistent preferences);
wenzelm
parents: 49195
diff changeset
   398
      Swing_Thread.now {
cb70157293c0 manage Isabelle/jEdit options as Isabelle/Scala options (with persistent preferences);
wenzelm
parents: 49195
diff changeset
   399
        Isabelle.options.update(init_options)
cb70157293c0 manage Isabelle/jEdit options as Isabelle/Scala options (with persistent preferences);
wenzelm
parents: 49195
diff changeset
   400
        Isabelle.setup_tooltips()
cb70157293c0 manage Isabelle/jEdit options as Isabelle/Scala options (with persistent preferences);
wenzelm
parents: 49195
diff changeset
   401
      }
cb70157293c0 manage Isabelle/jEdit options as Isabelle/Scala options (with persistent preferences);
wenzelm
parents: 49195
diff changeset
   402
49099
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   403
      SyntaxUtilities.setStyleExtender(new Token_Markup.Style_Extender)
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   404
      if (ModeProvider.instance.isInstanceOf[ModeProvider])
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   405
        ModeProvider.instance = new Token_Markup.Mode_Provider(ModeProvider.instance)
48870
4accee106f0f clarified initialization of Thy_Load, Thy_Info, Session;
wenzelm
parents: 48791
diff changeset
   406
49246
248e66e8321f more systematic JEdit_Options.make_component;
wenzelm
parents: 49245
diff changeset
   407
      val content = Isabelle_Logic.session_content(false)
49099
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   408
      val thy_load = new JEdit_Thy_Load(content.loaded_theories, content.syntax)
49288
2c9272cb4568 more options;
wenzelm
parents: 49272
diff changeset
   409
      Isabelle.session = new Session(thy_load) {
2c9272cb4568 more options;
wenzelm
parents: 49272
diff changeset
   410
        override def output_delay = Time.seconds(Isabelle.options.real("editor_output_delay"))
2c9272cb4568 more options;
wenzelm
parents: 49272
diff changeset
   411
      }
48870
4accee106f0f clarified initialization of Thy_Load, Thy_Info, Session;
wenzelm
parents: 48791
diff changeset
   412
49099
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   413
      Isabelle.session.phase_changed += session_manager
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   414
      Isabelle.startup_failure = None
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   415
    }
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   416
    catch {
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   417
      case exn: Throwable =>
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   418
        Isabelle.startup_failure = Some(exn)
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   419
        Isabelle.startup_notified = false
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   420
    }
34318
c13e168a8ae6 original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
wenzelm
parents:
diff changeset
   421
  }
34618
e45052ff7233 added Boolean_Property, Int_Property;
wenzelm
parents: 34615
diff changeset
   422
39628
f6e82967b5cd Plugin.stop: refrain from invalidating Isabelle.session -- some actors/dockables out there might still refer to it;
wenzelm
parents: 39518
diff changeset
   423
  override def stop()
34618
e45052ff7233 added Boolean_Property, Int_Property;
wenzelm
parents: 34615
diff changeset
   424
  {
49245
cb70157293c0 manage Isabelle/jEdit options as Isabelle/Scala options (with persistent preferences);
wenzelm
parents: 49195
diff changeset
   425
    if (Isabelle.startup_failure.isEmpty)
cb70157293c0 manage Isabelle/jEdit options as Isabelle/Scala options (with persistent preferences);
wenzelm
parents: 49195
diff changeset
   426
      Isabelle.options.value.save_prefs()
cb70157293c0 manage Isabelle/jEdit options as Isabelle/Scala options (with persistent preferences);
wenzelm
parents: 49195
diff changeset
   427
49101
21c8d2070be9 continue with more robust dummy session after failed startup;
wenzelm
parents: 49100
diff changeset
   428
    Isabelle.session.phase_changed -= session_manager
21c8d2070be9 continue with more robust dummy session after failed startup;
wenzelm
parents: 49100
diff changeset
   429
    Isabelle.jedit_buffers.foreach(Isabelle.exit_model)
21c8d2070be9 continue with more robust dummy session after failed startup;
wenzelm
parents: 49100
diff changeset
   430
    Isabelle.session.stop()
34318
c13e168a8ae6 original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
wenzelm
parents:
diff changeset
   431
  }
c13e168a8ae6 original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
wenzelm
parents:
diff changeset
   432
}