wenzelm@36714
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/* Title: Pure/System/session.scala
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wenzelm@36714
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Author: Makarius
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wenzelm@38477
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Options: :folding=explicit:collapseFolds=1:
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wenzelm@36714
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wenzelm@44528
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Main Isabelle/Scala session, potentially with running prover process.
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wenzelm@36714
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*/
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wenzelm@34780
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wenzelm@34874
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package isabelle
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wenzelm@34780
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wenzelm@45624
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wenzelm@44400
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import java.lang.System
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wenzelm@45624
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import java.util.{Timer, TimerTask}
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wenzelm@34780
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wenzelm@45624
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import scala.collection.mutable
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wenzelm@34823
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import scala.actors.TIMEOUT
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wenzelm@34780
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import scala.actors.Actor._
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wenzelm@34780
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wenzelm@34818
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wenzelm@34794
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object Session
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wenzelm@34794
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{
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wenzelm@34816
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/* events */
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wenzelm@34816
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wenzelm@44598
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//{{{
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wenzelm@34794
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case object Global_Settings
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wenzelm@45686
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case object Caret_Focus
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wenzelm@45506
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case class Commands_Changed(nodes: Set[Document.Node.Name], commands: Set[Command])
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wenzelm@39920
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wenzelm@39920
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sealed abstract class Phase
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wenzelm@39920
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case object Inactive extends Phase
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wenzelm@39966
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case object Startup extends Phase // transient
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wenzelm@39966
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case object Failed extends Phase
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wenzelm@39920
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case object Ready extends Phase
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wenzelm@39966
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case object Shutdown extends Phase // transient
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wenzelm@44598
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//}}}
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wenzelm@34794
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}
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wenzelm@34794
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wenzelm@34780
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wenzelm@45824
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class Session(thy_load: Thy_Load = new Thy_Load)
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wenzelm@34780
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{
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wenzelm@38117
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/* real time parameters */ // FIXME properties or settings (!?)
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wenzelm@38117
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wenzelm@45624
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val message_delay = Time.seconds(0.01) // prover messages
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wenzelm@44598
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val input_delay = Time.seconds(0.3) // user input (e.g. text edits, cursor movement)
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wenzelm@44598
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val output_delay = Time.seconds(0.1) // prover output (markup, common messages)
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wenzelm@44598
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val update_delay = Time.seconds(0.5) // GUI layout updates
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wenzelm@45445
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val load_delay = Time.seconds(0.5) // file load operations (new buffers etc.)
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wenzelm@45551
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val prune_delay = Time.seconds(60.0) // prune history -- delete old versions
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wenzelm@45551
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val prune_size = 0 // size of retained history
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wenzelm@38117
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wenzelm@38117
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wenzelm@34812
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/* pervasive event buses */
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wenzelm@34812
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wenzelm@34812
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val global_settings = new Event_Bus[Session.Global_Settings.type]
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wenzelm@45686
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val caret_focus = new Event_Bus[Session.Caret_Focus.type]
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wenzelm@44598
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val commands_changed = new Event_Bus[Session.Commands_Changed]
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wenzelm@44598
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val phase_changed = new Event_Bus[Session.Phase]
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wenzelm@45625
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val syslog_messages = new Event_Bus[Isabelle_Process.Result]
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wenzelm@45625
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val raw_output_messages = new Event_Bus[Isabelle_Process.Result]
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wenzelm@46991
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val protocol_messages = new Event_Bus[Isabelle_Process.Message] // potential bottle-neck
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wenzelm@44598
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wenzelm@34812
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wenzelm@34812
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wenzelm@39099
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/** buffered command changes (delay_first discipline) **/
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wenzelm@39099
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wenzelm@44598
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//{{{
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wenzelm@39099
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private case object Stop
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wenzelm@39099
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wenzelm@45593
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private val (_, commands_changed_buffer) =
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wenzelm@45593
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Simple_Thread.actor("commands_changed_buffer", daemon = true)
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wenzelm@39099
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{
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wenzelm@39099
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var finished = false
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wenzelm@39099
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while (!finished) {
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wenzelm@45593
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receive {
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wenzelm@39920
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case Stop => finished = true; reply(())
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wenzelm@45593
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case changed: Session.Commands_Changed => commands_changed.event(changed)
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wenzelm@45593
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case bad => System.err.println("commands_changed_buffer: ignoring bad message " + bad)
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wenzelm@39099
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}
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wenzelm@39099
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}
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wenzelm@39099
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}
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wenzelm@39099
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//}}}
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wenzelm@39099
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wenzelm@39099
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wenzelm@46509
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/** pipelined change parsing **/
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wenzelm@46509
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wenzelm@46509
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//{{{
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wenzelm@46509
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private case class Text_Edits(
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wenzelm@46509
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syntax: Outer_Syntax,
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wenzelm@46509
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name: Document.Node.Name,
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wenzelm@46509
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previous: Future[Document.Version],
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wenzelm@46509
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text_edits: List[Document.Edit_Text],
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wenzelm@46509
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version_result: Promise[Document.Version])
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wenzelm@46509
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wenzelm@46509
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private val (_, change_parser) = Simple_Thread.actor("change_parser", daemon = true)
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wenzelm@46509
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{
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wenzelm@46509
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var finished = false
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wenzelm@46509
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while (!finished) {
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wenzelm@46509
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receive {
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wenzelm@46509
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case Stop => finished = true; reply(())
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wenzelm@46509
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wenzelm@46509
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case Text_Edits(syntax, name, previous, text_edits, version_result) =>
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wenzelm@46509
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val prev = previous.get_finished
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wenzelm@46509
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val (doc_edits, version) = Thy_Syntax.text_edits(syntax, prev, text_edits)
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wenzelm@46509
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version_result.fulfill(version)
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wenzelm@46509
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sender ! Change_Node(name, doc_edits, prev, version)
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wenzelm@46509
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wenzelm@46509
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case bad => System.err.println("change_parser: ignoring bad message " + bad)
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wenzelm@46509
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}
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wenzelm@46509
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}
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wenzelm@46509
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}
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wenzelm@46509
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//}}}
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wenzelm@46509
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wenzelm@39099
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wenzelm@39099
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/** main protocol actor **/
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wenzelm@34812
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wenzelm@44528
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/* global state */
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wenzelm@44521
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wenzelm@44598
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@volatile var verbose: Boolean = false
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wenzelm@44598
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wenzelm@44569
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@volatile private var syntax = new Outer_Syntax
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wenzelm@38863
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def current_syntax(): Outer_Syntax = syntax
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wenzelm@34812
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wenzelm@39916
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@volatile private var reverse_syslog = List[XML.Elem]()
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wenzelm@39919
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def syslog(): String = reverse_syslog.reverse.map(msg => XML.content(msg).mkString).mkString("\n")
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wenzelm@39916
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wenzelm@39920
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@volatile private var _phase: Session.Phase = Session.Inactive
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wenzelm@39923
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private def phase_=(new_phase: Session.Phase)
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wenzelm@39920
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{
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wenzelm@39920
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_phase = new_phase
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wenzelm@39966
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phase_changed.event(new_phase)
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wenzelm@39920
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}
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wenzelm@44598
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def phase = _phase
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wenzelm@44424
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def is_ready: Boolean = phase == Session.Ready
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wenzelm@39920
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wenzelm@46119
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private val global_state = Volatile(Document.State.init)
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wenzelm@44601
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def current_state(): Document.State = global_state()
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wenzelm@34819
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wenzelm@45831
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def snapshot(name: Document.Node.Name = Document.Node.Name.empty,
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wenzelm@45831
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pending_edits: List[Text.Edit] = Nil): Document.Snapshot =
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wenzelm@44601
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global_state().snapshot(name, pending_edits)
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wenzelm@44598
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wenzelm@44528
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wenzelm@44528
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/* theory files */
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wenzelm@44528
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wenzelm@45506
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def header_edit(name: Document.Node.Name, header: Document.Node_Header): Document.Edit_Text =
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wenzelm@45330
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{
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wenzelm@45330
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def norm_import(s: String): String =
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wenzelm@45330
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{
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wenzelm@45330
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val thy_name = Thy_Header.base_name(s)
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wenzelm@45330
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if (thy_load.is_loaded(thy_name)) thy_name
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wenzelm@45507
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else thy_load.append(name.dir, Thy_Header.thy_path(Path.explode(s)))
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wenzelm@45330
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}
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wenzelm@45507
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def norm_use(s: String): String = thy_load.append(name.dir, Path.explode(s))
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wenzelm@45330
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wenzelm@45330
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val header1: Document.Node_Header =
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wenzelm@45330
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header match {
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wenzelm@45330
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case Exn.Res(Thy_Header(thy_name, _, _))
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wenzelm@45330
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if (thy_load.is_loaded(thy_name)) =>
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wenzelm@45330
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Exn.Exn(ERROR("Attempt to update loaded theory " + quote(thy_name)))
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wenzelm@45330
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case _ => Document.Node.norm_header(norm_import, norm_use, header)
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wenzelm@45330
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}
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wenzelm@45330
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(name, Document.Node.Header(header1))
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wenzelm@45330
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}
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wenzelm@45330
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wenzelm@44528
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wenzelm@44528
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/* actor messages */
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wenzelm@44528
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wenzelm@46031
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private case class Start(timeout: Time, args: List[String])
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wenzelm@45646
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private case object Cancel_Execution
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wenzelm@45506
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private case class Init_Node(name: Document.Node.Name,
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wenzelm@45292
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header: Document.Node_Header, perspective: Text.Perspective, text: String)
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wenzelm@45506
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private case class Edit_Node(name: Document.Node.Name,
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wenzelm@45292
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header: Document.Node_Header, perspective: Text.Perspective, edits: List[Text.Edit])
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wenzelm@44604
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private case class Change_Node(
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wenzelm@45506
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name: Document.Node.Name,
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wenzelm@44604
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doc_edits: List[Document.Edit_Command],
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wenzelm@44604
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previous: Document.Version,
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wenzelm@44604
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version: Document.Version)
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wenzelm@45624
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private case class Messages(msgs: List[Isabelle_Process.Message])
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wenzelm@41782
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wenzelm@39836
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private val (_, session_actor) = Simple_Thread.actor("session_actor", daemon = true)
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wenzelm@38898
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{
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wenzelm@44525
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val this_actor = self
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wenzelm@34780
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wenzelm@45551
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var prune_next = System.currentTimeMillis() + prune_delay.ms
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wenzelm@45551
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wenzelm@34812
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wenzelm@45624
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/* buffered prover messages */
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wenzelm@45624
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wenzelm@45624
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object receiver
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wenzelm@45624
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{
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wenzelm@45624
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private var buffer = new mutable.ListBuffer[Isabelle_Process.Message]
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wenzelm@45624
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wenzelm@45624
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def flush(): Unit = synchronized {
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wenzelm@45624
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if (!buffer.isEmpty) {
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wenzelm@45624
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val msgs = buffer.toList
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wenzelm@45624
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this_actor ! Messages(msgs)
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wenzelm@45624
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buffer = new mutable.ListBuffer[Isabelle_Process.Message]
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wenzelm@45624
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}
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wenzelm@45624
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}
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wenzelm@45624
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def invoke(msg: Isabelle_Process.Message): Unit = synchronized {
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wenzelm@45624
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buffer += msg
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wenzelm@45624
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msg match {
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wenzelm@45624
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case result: Isabelle_Process.Result if result.is_raw => flush()
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wenzelm@45624
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case _ =>
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wenzelm@45624
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}
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wenzelm@45624
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}
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wenzelm@45624
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wenzelm@45624
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private val timer = new Timer("session_actor.receiver", true)
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wenzelm@45624
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timer.schedule(new TimerTask { def run = flush }, message_delay.ms, message_delay.ms)
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wenzelm@45624
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wenzelm@45624
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def cancel() { timer.cancel() }
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wenzelm@45624
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}
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wenzelm@45624
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wenzelm@46587
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var prover: Option[Isabelle_Process with Protocol] = None
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wenzelm@45624
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wenzelm@45624
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wenzelm@45593
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/* delayed command changes */
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wenzelm@45593
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wenzelm@45593
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object commands_changed_delay
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wenzelm@45593
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{
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wenzelm@45593
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private var changed_nodes: Set[Document.Node.Name] = Set.empty
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wenzelm@45593
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private var changed_commands: Set[Command] = Set.empty
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wenzelm@45593
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private def changed: Boolean = !changed_nodes.isEmpty || !changed_commands.isEmpty
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wenzelm@45593
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wenzelm@45593
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private var flush_time: Option[Long] = None
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wenzelm@45593
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wenzelm@45593
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def flush_timeout: Long =
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wenzelm@45593
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flush_time match {
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wenzelm@45593
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case None => 5000L
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wenzelm@45593
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case Some(time) => (time - System.currentTimeMillis()) max 0
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wenzelm@45593
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}
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wenzelm@45593
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wenzelm@45593
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def flush()
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wenzelm@45593
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{
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wenzelm@45593
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if (changed)
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wenzelm@45593
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commands_changed_buffer ! Session.Commands_Changed(changed_nodes, changed_commands)
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wenzelm@45593
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changed_nodes = Set.empty
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wenzelm@45593
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changed_commands = Set.empty
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wenzelm@45593
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flush_time = None
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wenzelm@45593
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}
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wenzelm@45593
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wenzelm@45593
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def invoke(command: Command)
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wenzelm@45593
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{
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wenzelm@45593
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changed_nodes += command.node_name
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wenzelm@45593
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changed_commands += command
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wenzelm@45593
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val now = System.currentTimeMillis()
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wenzelm@45593
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flush_time match {
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wenzelm@45593
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case None => flush_time = Some(now + output_delay.ms)
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wenzelm@45593
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case Some(time) => if (now >= time) flush()
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wenzelm@45593
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}
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wenzelm@45593
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}
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wenzelm@45593
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}
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wenzelm@45593
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wenzelm@45593
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wenzelm@45324
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/* perspective */
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wenzelm@45324
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256 |
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wenzelm@45506
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257 |
def update_perspective(name: Document.Node.Name, text_perspective: Text.Perspective)
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wenzelm@45324
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258 |
{
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wenzelm@45396
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259 |
val previous = global_state().tip_version
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wenzelm@45324
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260 |
val (perspective, version) = Thy_Syntax.edit_perspective(previous, name, text_perspective)
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wenzelm@45324
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261 |
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wenzelm@45324
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262 |
val text_edits: List[Document.Edit_Text] =
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wenzelm@45324
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263 |
List((name, Document.Node.Perspective(text_perspective)))
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wenzelm@45324
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264 |
val change =
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wenzelm@45324
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265 |
global_state.change_yield(
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wenzelm@45334
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266 |
_.continue_history(Future.value(previous), text_edits, Future.value(version)))
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wenzelm@45324
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267 |
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wenzelm@45398
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268 |
val assignment = global_state().the_assignment(previous).check_finished
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wenzelm@45400
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269 |
global_state.change(_.define_version(version, assignment))
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wenzelm@45397
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270 |
global_state.change_yield(_.assign(version.id, Document.no_assign))
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wenzelm@45324
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271 |
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wenzelm@45324
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272 |
prover.get.update_perspective(previous.id, version.id, name, perspective)
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wenzelm@45324
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273 |
}
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wenzelm@45324
|
274 |
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wenzelm@45324
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275 |
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wenzelm@44598
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276 |
/* incoming edits */
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wenzelm@44598
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277 |
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wenzelm@45506
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278 |
def handle_edits(name: Document.Node.Name,
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wenzelm@45291
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header: Document.Node_Header, edits: List[Document.Node.Edit[Text.Edit, Text.Perspective]])
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wenzelm@44598
|
280 |
//{{{
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wenzelm@44598
|
281 |
{
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wenzelm@44598
|
282 |
val syntax = current_syntax()
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wenzelm@44601
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283 |
val previous = global_state().history.tip.version
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wenzelm@45058
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284 |
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wenzelm@45503
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285 |
prover.get.cancel_execution()
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wenzelm@45503
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286 |
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wenzelm@45506
|
287 |
val text_edits = header_edit(name, header) :: edits.map(edit => (name, edit))
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wenzelm@46509
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288 |
val version = Future.promise[Document.Version]
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wenzelm@46509
|
289 |
val change = global_state.change_yield(_.continue_history(previous, text_edits, version))
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wenzelm@44598
|
290 |
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wenzelm@46509
|
291 |
change_parser ! Text_Edits(syntax, name, previous, text_edits, version)
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wenzelm@44598
|
292 |
}
|
wenzelm@44598
|
293 |
//}}}
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wenzelm@44598
|
294 |
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wenzelm@44598
|
295 |
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wenzelm@45324
|
296 |
/* exec state assignment */
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wenzelm@45324
|
297 |
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wenzelm@45397
|
298 |
def handle_assign(id: Document.Version_ID, assign: Document.Assign)
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wenzelm@45324
|
299 |
//{{{
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wenzelm@45324
|
300 |
{
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wenzelm@45397
|
301 |
val cmds = global_state.change_yield(_.assign(id, assign))
|
wenzelm@45593
|
302 |
for (cmd <- cmds) commands_changed_delay.invoke(cmd)
|
wenzelm@45324
|
303 |
}
|
wenzelm@45324
|
304 |
//}}}
|
wenzelm@45324
|
305 |
|
wenzelm@45324
|
306 |
|
wenzelm@45551
|
307 |
/* removed versions */
|
wenzelm@45551
|
308 |
|
wenzelm@45551
|
309 |
def handle_removed(removed: List[Document.Version_ID])
|
wenzelm@45551
|
310 |
//{{{
|
wenzelm@45551
|
311 |
{
|
wenzelm@45551
|
312 |
global_state.change(_.removed_versions(removed))
|
wenzelm@45551
|
313 |
}
|
wenzelm@45551
|
314 |
//}}}
|
wenzelm@45551
|
315 |
|
wenzelm@45551
|
316 |
|
wenzelm@44598
|
317 |
/* resulting changes */
|
wenzelm@34812
|
318 |
|
wenzelm@44604
|
319 |
def handle_change(change: Change_Node)
|
wenzelm@38477
|
320 |
//{{{
|
wenzelm@34812
|
321 |
{
|
wenzelm@44604
|
322 |
val previous = change.previous
|
wenzelm@44604
|
323 |
val version = change.version
|
wenzelm@44604
|
324 |
val name = change.name
|
wenzelm@44604
|
325 |
val doc_edits = change.doc_edits
|
wenzelm@38648
|
326 |
|
wenzelm@45290
|
327 |
def id_command(command: Command)
|
wenzelm@44602
|
328 |
{
|
wenzelm@45469
|
329 |
if (!global_state().defined_command(command.id)) {
|
wenzelm@44602
|
330 |
global_state.change(_.define_command(command))
|
wenzelm@45521
|
331 |
prover.get.define_command(command)
|
wenzelm@44602
|
332 |
}
|
wenzelm@44602
|
333 |
}
|
wenzelm@45290
|
334 |
doc_edits foreach {
|
wenzelm@45290
|
335 |
case (_, edit) =>
|
wenzelm@45290
|
336 |
edit foreach { case (c1, c2) => c1 foreach id_command; c2 foreach id_command }
|
wenzelm@45290
|
337 |
}
|
wenzelm@44604
|
338 |
|
wenzelm@45400
|
339 |
val assignment = global_state().the_assignment(previous).check_finished
|
wenzelm@45400
|
340 |
global_state.change(_.define_version(version, assignment))
|
wenzelm@45402
|
341 |
prover.get.update(previous.id, version.id, doc_edits)
|
wenzelm@34812
|
342 |
}
|
wenzelm@38477
|
343 |
//}}}
|
wenzelm@34812
|
344 |
|
wenzelm@34812
|
345 |
|
wenzelm@34812
|
346 |
/* prover results */
|
wenzelm@34812
|
347 |
|
wenzelm@34812
|
348 |
def handle_result(result: Isabelle_Process.Result)
|
wenzelm@38477
|
349 |
//{{{
|
wenzelm@34812
|
350 |
{
|
wenzelm@44598
|
351 |
def bad_result(result: Isabelle_Process.Result)
|
wenzelm@44598
|
352 |
{
|
wenzelm@44598
|
353 |
if (verbose)
|
wenzelm@44598
|
354 |
System.err.println("Ignoring prover result: " + result.message.toString)
|
wenzelm@44598
|
355 |
}
|
wenzelm@44598
|
356 |
|
wenzelm@38995
|
357 |
result.properties match {
|
wenzelm@44624
|
358 |
case Position.Id(state_id) if !result.is_raw =>
|
wenzelm@38652
|
359 |
try {
|
wenzelm@39099
|
360 |
val st = global_state.change_yield(_.accumulate(state_id, result.message))
|
wenzelm@45593
|
361 |
commands_changed_delay.invoke(st.command)
|
wenzelm@38652
|
362 |
}
|
wenzelm@44624
|
363 |
catch {
|
wenzelm@44624
|
364 |
case _: Document.State.Fail => bad_result(result)
|
wenzelm@44624
|
365 |
}
|
wenzelm@46537
|
366 |
case Isabelle_Markup.Assign_Execs if result.is_raw =>
|
wenzelm@45534
|
367 |
XML.content(result.body).mkString match {
|
wenzelm@46587
|
368 |
case Protocol.Assign(id, assign) =>
|
wenzelm@45534
|
369 |
try { handle_assign(id, assign) }
|
wenzelm@45534
|
370 |
catch { case _: Document.State.Fail => bad_result(result) }
|
wenzelm@45534
|
371 |
case _ => bad_result(result)
|
wenzelm@45534
|
372 |
}
|
wenzelm@45551
|
373 |
// FIXME separate timeout event/message!?
|
wenzelm@45551
|
374 |
if (prover.isDefined && System.currentTimeMillis() > prune_next) {
|
wenzelm@45551
|
375 |
val old_versions = global_state.change_yield(_.prune_history(prune_size))
|
wenzelm@45551
|
376 |
if (!old_versions.isEmpty) prover.get.remove_versions(old_versions)
|
wenzelm@45551
|
377 |
prune_next = System.currentTimeMillis() + prune_delay.ms
|
wenzelm@45551
|
378 |
}
|
wenzelm@46537
|
379 |
case Isabelle_Markup.Removed_Versions if result.is_raw =>
|
wenzelm@45551
|
380 |
XML.content(result.body).mkString match {
|
wenzelm@46587
|
381 |
case Protocol.Removed(removed) =>
|
wenzelm@45551
|
382 |
try { handle_removed(removed) }
|
wenzelm@45551
|
383 |
catch { case _: Document.State.Fail => bad_result(result) }
|
wenzelm@45551
|
384 |
case _ => bad_result(result)
|
wenzelm@45551
|
385 |
}
|
wenzelm@46537
|
386 |
case Isabelle_Markup.Invoke_Scala(name, id) if result.is_raw =>
|
wenzelm@44624
|
387 |
Future.fork {
|
wenzelm@44624
|
388 |
val arg = XML.content(result.body).mkString
|
wenzelm@44624
|
389 |
val (tag, res) = Invoke_Scala.method(name, arg)
|
wenzelm@44624
|
390 |
prover.get.invoke_scala(id, tag, res)
|
wenzelm@44624
|
391 |
}
|
wenzelm@46992
|
392 |
case Isabelle_Markup.Cancel_Scala(id) if result.is_raw =>
|
wenzelm@46992
|
393 |
System.err.println("cancel_scala " + id) // FIXME actually cancel JVM task
|
wenzelm@46992
|
394 |
case Isabelle_Markup.Ready if result.is_raw =>
|
wenzelm@46992
|
395 |
// FIXME move to ML side (!?)
|
wenzelm@46992
|
396 |
syntax += ("hence", Keyword.PRF_ASM_GOAL, "then have")
|
wenzelm@46992
|
397 |
syntax += ("thus", Keyword.PRF_ASM_GOAL, "then show")
|
wenzelm@46992
|
398 |
phase = Session.Ready
|
wenzelm@38995
|
399 |
case _ =>
|
wenzelm@39920
|
400 |
if (result.is_syslog) {
|
wenzelm@39920
|
401 |
reverse_syslog ::= result.message
|
wenzelm@46992
|
402 |
if (result.is_exit && phase == Session.Startup) phase = Session.Failed
|
wenzelm@39961
|
403 |
else if (result.is_exit) phase = Session.Inactive
|
wenzelm@39920
|
404 |
}
|
wenzelm@39916
|
405 |
else if (result.is_stdout) { }
|
wenzelm@39915
|
406 |
else if (result.is_status) {
|
wenzelm@38652
|
407 |
result.body match {
|
wenzelm@38652
|
408 |
case List(Keyword.Command_Decl(name, kind)) => syntax += (name, kind)
|
wenzelm@38652
|
409 |
case List(Keyword.Keyword_Decl(name)) => syntax += name
|
wenzelm@45446
|
410 |
case List(Thy_Info.Loaded_Theory(name)) => thy_load.register_thy(name)
|
wenzelm@39915
|
411 |
case _ => bad_result(result)
|
wenzelm@38652
|
412 |
}
|
wenzelm@38652
|
413 |
}
|
wenzelm@39915
|
414 |
else bad_result(result)
|
wenzelm@44624
|
415 |
}
|
wenzelm@34812
|
416 |
}
|
wenzelm@38477
|
417 |
//}}}
|
wenzelm@34812
|
418 |
|
wenzelm@34823
|
419 |
|
wenzelm@39920
|
420 |
/* main loop */
|
wenzelm@34812
|
421 |
|
wenzelm@44598
|
422 |
//{{{
|
wenzelm@38898
|
423 |
var finished = false
|
wenzelm@38898
|
424 |
while (!finished) {
|
wenzelm@45593
|
425 |
receiveWithin(commands_changed_delay.flush_timeout) {
|
wenzelm@45593
|
426 |
case TIMEOUT => commands_changed_delay.flush()
|
wenzelm@45593
|
427 |
|
wenzelm@46031
|
428 |
case Start(timeout, args) if prover.isEmpty =>
|
wenzelm@39966
|
429 |
if (phase == Session.Inactive || phase == Session.Failed) {
|
wenzelm@39966
|
430 |
phase = Session.Startup
|
wenzelm@46587
|
431 |
prover = Some(new Isabelle_Process(timeout, receiver.invoke _, args) with Protocol)
|
wenzelm@39966
|
432 |
}
|
wenzelm@34823
|
433 |
|
wenzelm@39966
|
434 |
case Stop =>
|
wenzelm@39966
|
435 |
if (phase == Session.Ready) {
|
wenzelm@39966
|
436 |
global_state.change(_ => Document.State.init) // FIXME event bus!?
|
wenzelm@39966
|
437 |
phase = Session.Shutdown
|
wenzelm@44526
|
438 |
prover.get.terminate
|
wenzelm@44599
|
439 |
prover = None
|
wenzelm@39966
|
440 |
phase = Session.Inactive
|
wenzelm@39966
|
441 |
}
|
wenzelm@39920
|
442 |
finished = true
|
wenzelm@45624
|
443 |
receiver.cancel()
|
wenzelm@39920
|
444 |
reply(())
|
wenzelm@39108
|
445 |
|
wenzelm@45646
|
446 |
case Cancel_Execution if prover.isDefined =>
|
wenzelm@45646
|
447 |
prover.get.cancel_execution()
|
wenzelm@44598
|
448 |
|
wenzelm@45506
|
449 |
case Init_Node(name, header, perspective, text) if prover.isDefined =>
|
wenzelm@44600
|
450 |
// FIXME compare with existing node
|
wenzelm@45506
|
451 |
handle_edits(name, header,
|
wenzelm@45292
|
452 |
List(Document.Node.Clear(),
|
wenzelm@45292
|
453 |
Document.Node.Edits(List(Text.Edit.insert(0, text))),
|
wenzelm@45292
|
454 |
Document.Node.Perspective(perspective)))
|
wenzelm@44598
|
455 |
reply(())
|
wenzelm@44598
|
456 |
|
wenzelm@45506
|
457 |
case Edit_Node(name, header, perspective, text_edits) if prover.isDefined =>
|
wenzelm@45405
|
458 |
if (text_edits.isEmpty && global_state().tip_stable &&
|
wenzelm@45405
|
459 |
perspective.range.stop <= global_state().last_exec_offset(name))
|
wenzelm@45405
|
460 |
update_perspective(name, perspective)
|
wenzelm@45405
|
461 |
else
|
wenzelm@45506
|
462 |
handle_edits(name, header,
|
wenzelm@45324
|
463 |
List(Document.Node.Edits(text_edits), Document.Node.Perspective(perspective)))
|
wenzelm@44598
|
464 |
reply(())
|
wenzelm@44598
|
465 |
|
wenzelm@45624
|
466 |
case Messages(msgs) =>
|
wenzelm@45624
|
467 |
msgs foreach {
|
wenzelm@45624
|
468 |
case input: Isabelle_Process.Input =>
|
wenzelm@46991
|
469 |
protocol_messages.event(input)
|
wenzelm@44603
|
470 |
|
wenzelm@45624
|
471 |
case result: Isabelle_Process.Result =>
|
wenzelm@45624
|
472 |
handle_result(result)
|
wenzelm@45625
|
473 |
if (result.is_syslog) syslog_messages.event(result)
|
wenzelm@46507
|
474 |
if (result.is_stdout || result.is_stderr) raw_output_messages.event(result)
|
wenzelm@46991
|
475 |
protocol_messages.event(result)
|
wenzelm@45624
|
476 |
}
|
wenzelm@44598
|
477 |
|
wenzelm@46509
|
478 |
case change: Change_Node
|
wenzelm@46509
|
479 |
if prover.isDefined && global_state().is_assigned(change.previous) =>
|
wenzelm@46509
|
480 |
handle_change(change)
|
wenzelm@46509
|
481 |
|
wenzelm@46509
|
482 |
case bad if !bad.isInstanceOf[Change_Node] =>
|
wenzelm@46509
|
483 |
System.err.println("session_actor: ignoring bad message " + bad)
|
wenzelm@34780
|
484 |
}
|
wenzelm@34780
|
485 |
}
|
wenzelm@44598
|
486 |
//}}}
|
wenzelm@34780
|
487 |
}
|
wenzelm@34780
|
488 |
|
wenzelm@34812
|
489 |
|
wenzelm@44598
|
490 |
/* actions */
|
wenzelm@34812
|
491 |
|
wenzelm@46031
|
492 |
def start(timeout: Time, args: List[String])
|
wenzelm@46031
|
493 |
{ session_actor ! Start(timeout, args) }
|
wenzelm@34823
|
494 |
|
wenzelm@46031
|
495 |
def start(args: List[String]) { start (Time.seconds(25), args) }
|
wenzelm@45947
|
496 |
|
wenzelm@46509
|
497 |
def stop() { commands_changed_buffer !? Stop; change_parser !? Stop; session_actor !? Stop }
|
wenzelm@38477
|
498 |
|
wenzelm@45646
|
499 |
def cancel_execution() { session_actor ! Cancel_Execution }
|
wenzelm@44598
|
500 |
|
wenzelm@45506
|
501 |
def init_node(name: Document.Node.Name,
|
wenzelm@45292
|
502 |
header: Document.Node_Header, perspective: Text.Perspective, text: String)
|
wenzelm@45506
|
503 |
{ session_actor !? Init_Node(name, header, perspective, text) }
|
wenzelm@39857
|
504 |
|
wenzelm@45506
|
505 |
def edit_node(name: Document.Node.Name,
|
wenzelm@45506
|
506 |
header: Document.Node_Header, perspective: Text.Perspective, edits: List[Text.Edit])
|
wenzelm@45506
|
507 |
{ session_actor !? Edit_Node(name, header, perspective, edits) }
|
wenzelm@34780
|
508 |
}
|