author | wenzelm |
Mon, 07 Sep 2009 22:17:51 +0200 | |
changeset 34720 | ac61bdd7f598 |
parent 34703 | ff037c17332a |
child 34724 | b1079c3ba1da |
permissions | -rw-r--r-- |
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/* |
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* Main Isabelle/jEdit plugin setup |
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* |
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* @author Johannes Hölzl, TU Munich |
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* @author Fabian Immler, TU Munich |
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*/ |
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package isabelle.jedit |
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import java.io.{FileInputStream, IOException} |
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import java.awt.Font |
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import javax.swing.JScrollPane |
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import scala.collection.mutable |
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import isabelle.prover.{Prover, Command} |
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import isabelle.proofdocument.ProofDocument |
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import isabelle.Isabelle_System |
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import org.gjt.sp.jedit.{jEdit, EBMessage, EBPlugin, 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 |
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import org.gjt.sp.jedit.msg.{EditPaneUpdate, PropertiesChanged} |
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object Isabelle |
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{ |
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/* name */ |
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val NAME = "Isabelle" |
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/* properties */ |
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val OPTION_PREFIX = "options.isabelle." |
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object Property |
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{ |
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def apply(name: String): String = jEdit.getProperty(OPTION_PREFIX + name) |
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def update(name: String, value: String) = jEdit.setProperty(OPTION_PREFIX + name, value) |
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} |
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object Boolean_Property |
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{ |
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def apply(name: String): Boolean = jEdit.getBooleanProperty(OPTION_PREFIX + name) |
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def update(name: String, value: Boolean) = jEdit.setBooleanProperty(OPTION_PREFIX + name, value) |
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} |
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object Int_Property |
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{ |
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def apply(name: String): Int = jEdit.getIntegerProperty(OPTION_PREFIX + name) |
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def update(name: String, value: Int) = jEdit.setIntegerProperty(OPTION_PREFIX + name, value) |
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} |
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/* Isabelle system instance */ |
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var system: Isabelle_System = null |
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def symbols = system.symbols |
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lazy val completion = new Completion + symbols |
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/* settings */ |
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def default_logic(): String = |
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{ |
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val logic = Isabelle.Property("logic") |
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if (logic != null) logic |
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else system.getenv_strict("ISABELLE_LOGIC") |
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} |
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/* plugin instance */ |
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var plugin: Plugin = null |
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/* running provers */ |
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def prover_setup(buffer: JEditBuffer) = plugin.prover_setup(buffer) |
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} |
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class Plugin extends EBPlugin |
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{ |
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/* Isabelle font */ |
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var font: Font = null |
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val font_changed = new Event_Bus[Font] |
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def set_font(size: Int) |
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{ |
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font = Font.createFont(Font.TRUETYPE_FONT, |
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Isabelle.system.platform_file("~~/lib/fonts/IsabelleMono.ttf")). |
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deriveFont(Font.PLAIN, (size max 1).toFloat) |
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font_changed.event(font) |
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} |
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/* event buses */ |
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val state_update = new Event_Bus[Command] |
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val command_change = new Event_Bus[Command] |
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val document_change = new Event_Bus[ProofDocument] |
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/* selected state */ |
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private var _selected_state: Command = null |
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def selected_state = _selected_state |
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def selected_state_=(state: Command) { _selected_state = state; state_update.event(state) } |
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/* mapping buffer <-> prover */ |
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private val mapping = new mutable.HashMap[JEditBuffer, ProverSetup] |
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private def install(view: View) |
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{ |
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val buffer = view.getBuffer |
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val prover_setup = new ProverSetup(buffer) |
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mapping.update(buffer, prover_setup) |
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prover_setup.activate(view) |
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} |
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private def uninstall(view: View) = |
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mapping.removeKey(view.getBuffer).get.deactivate |
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def switch_active (view: View) = |
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if (mapping.isDefinedAt(view.getBuffer)) uninstall(view) |
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else install(view) |
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def prover_setup(buffer: JEditBuffer): Option[ProverSetup] = mapping.get(buffer) |
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def is_active (buffer: JEditBuffer) = mapping.isDefinedAt(buffer) |
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/* main plugin plumbing */ |
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override def handleMessage(msg: EBMessage) |
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{ |
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msg match { |
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case epu: EditPaneUpdate => |
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val buffer = epu.getEditPane.getBuffer |
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epu.getWhat match { |
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case EditPaneUpdate.BUFFER_CHANGED => |
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(mapping get buffer) map (_.theory_view.activate) |
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case EditPaneUpdate.BUFFER_CHANGING => |
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if (buffer != null) |
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(mapping get buffer) map (_.theory_view.deactivate) |
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case _ => |
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} |
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case _ => |
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} |
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} |
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override def start() |
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{ |
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Isabelle.system = new Isabelle_System |
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Isabelle.plugin = this |
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set_font(Isabelle.Int_Property("font-size")) |
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} |
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override def stop() |
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{ |
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// TODO: proper cleanup |
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Isabelle.system = null |
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Isabelle.plugin = null |
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scala.actors.Scheduler.shutdown() |
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} |
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} |