author | wenzelm |
Thu, 03 Apr 2014 20:17:12 +0200 | |
changeset 56392 | bc118a32a870 |
parent 56387 | d92eb5c3960d |
child 56393 | 22f533e6a049 |
permissions | -rw-r--r-- |
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/* Title: Pure/PIDE/session.scala |
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Author: Makarius |
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Options: :folding=explicit:collapseFolds=1: |
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PIDE editor session, potentially with running prover process. |
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*/ |
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class Session models full session, with or without prover process (cf. heaps, browser_info);
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package isabelle |
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import java.util.{Timer, TimerTask} |
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import scala.collection.mutable |
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import scala.collection.immutable.Queue |
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import scala.actors.TIMEOUT |
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import scala.actors.Actor._ |
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class Session models full session, with or without prover process (cf. heaps, browser_info);
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object Session |
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{ |
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/* change */ |
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sealed case class Change( |
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previous: Document.Version, |
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doc_blobs: Document.Blobs, |
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syntax_changed: Boolean, |
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deps_changed: Boolean, |
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doc_edits: List[Document.Edit_Command], |
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version: Document.Version) |
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/* events */ |
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//{{{ |
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case class Statistics(props: Properties.T) |
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case class Global_Options(options: Options) |
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case object Caret_Focus |
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case class Raw_Edits(doc_blobs: Document.Blobs, edits: List[Document.Edit_Text]) |
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case class Dialog_Result(id: Document_ID.Generic, serial: Long, result: String) |
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case class Commands_Changed( |
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assignment: Boolean, nodes: Set[Document.Node.Name], commands: Set[Command]) |
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sealed abstract class Phase |
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case object Inactive extends Phase |
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case object Startup extends Phase // transient |
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case object Failed extends Phase |
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case object Ready extends Phase |
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case object Shutdown extends Phase // transient |
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//}}} |
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/* protocol handlers */ |
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abstract class Protocol_Handler |
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{ |
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def stop(prover: Prover): Unit = {} |
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val functions: Map[String, (Prover, Prover.Protocol_Output) => Boolean] |
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} |
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class Protocol_Handlers( |
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handlers: Map[String, Session.Protocol_Handler] = Map.empty, |
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functions: Map[String, Prover.Protocol_Output => Boolean] = Map.empty) |
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{ |
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def get(name: String): Option[Protocol_Handler] = handlers.get(name) |
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def add(prover: Prover, name: String): Protocol_Handlers = |
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{ |
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val (handlers1, functions1) = |
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handlers.get(name) match { |
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case Some(old_handler) => |
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System.err.println("Redefining protocol handler: " + name) |
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old_handler.stop(prover) |
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(handlers - name, functions -- old_handler.functions.keys) |
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case None => (handlers, functions) |
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} |
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val (handlers2, functions2) = |
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try { |
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val new_handler = Class.forName(name).newInstance.asInstanceOf[Protocol_Handler] |
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val new_functions = |
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for ((a, f) <- new_handler.functions.toList) yield |
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(a, (msg: Prover.Protocol_Output) => f(prover, msg)) |
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val dups = for ((a, _) <- new_functions if functions1.isDefinedAt(a)) yield a |
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if (!dups.isEmpty) error("Duplicate protocol functions: " + commas_quote(dups)) |
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(handlers1 + (name -> new_handler), functions1 ++ new_functions) |
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} |
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catch { |
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case exn: Throwable => |
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System.err.println("Failed to initialize protocol handler: " + |
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name + "\n" + Exn.message(exn)) |
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(handlers1, functions1) |
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} |
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new Protocol_Handlers(handlers2, functions2) |
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} |
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def invoke(msg: Prover.Protocol_Output): Boolean = |
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msg.properties match { |
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case Markup.Function(a) if functions.isDefinedAt(a) => |
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try { functions(a)(msg) } |
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catch { |
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case exn: Throwable => |
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System.err.println("Failed invocation of protocol function: " + |
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quote(a) + "\n" + Exn.message(exn)) |
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false |
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} |
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case _ => false |
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} |
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def stop(prover: Prover): Protocol_Handlers = |
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{ |
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for ((_, handler) <- handlers) handler.stop(prover) |
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new Protocol_Handlers() |
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} |
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} |
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} |
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class Session(val resources: Resources) |
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{ |
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/* global flags */ |
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@volatile var timing: Boolean = false |
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@volatile var verbose: Boolean = false |
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/* tuning parameters */ |
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def output_delay: Time = Time.seconds(0.1) // prover output (markup, common messages) |
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def message_delay: Time = Time.seconds(0.1) // prover input/output messages |
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def prune_delay: Time = Time.seconds(60.0) // prune history -- delete old versions |
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def prune_size: Int = 0 // size of retained history |
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def syslog_limit: Int = 100 |
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def reparse_limit: Int = 0 |
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/* pervasive event buses */ |
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val statistics = new Event_Bus[Session.Statistics] |
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val global_options = new Event_Bus[Session.Global_Options] |
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val caret_focus = new Event_Bus[Session.Caret_Focus.type] |
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val raw_edits = new Event_Bus[Session.Raw_Edits] |
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val commands_changed = new Event_Bus[Session.Commands_Changed] |
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val phase_changed = new Event_Bus[Session.Phase] |
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val syslog_messages = new Event_Bus[Prover.Output] |
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val raw_output_messages = new Event_Bus[Prover.Output] |
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val all_messages = new Event_Bus[Prover.Message] // potential bottle-neck |
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val trace_events = new Event_Bus[Simplifier_Trace.Event.type] |
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/** buffered command changes (delay_first discipline) **/ |
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//{{{ |
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private case object Stop |
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private val (_, commands_changed_buffer) = |
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Simple_Thread.actor("commands_changed_buffer", daemon = true) |
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{ |
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var finished = false |
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while (!finished) { |
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receive { |
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case Stop => finished = true; reply(()) |
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case changed: Session.Commands_Changed => commands_changed.event(changed) |
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case bad => System.err.println("commands_changed_buffer: ignoring bad message " + bad) |
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} |
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168 |
} |
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169 |
} |
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//}}} |
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171 |
|
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172 |
|
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173 |
/** pipelined change parsing **/ |
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174 |
|
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175 |
//{{{ |
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private case class Text_Edits( |
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previous: Future[Document.Version], |
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doc_blobs: Document.Blobs, |
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text_edits: List[Document.Edit_Text], |
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version_result: Promise[Document.Version]) |
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181 |
|
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private val (_, change_parser) = Simple_Thread.actor("change_parser", daemon = true) |
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183 |
{ |
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184 |
var finished = false |
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185 |
while (!finished) { |
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186 |
receive { |
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187 |
case Stop => finished = true; reply(()) |
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188 |
|
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189 |
case Text_Edits(previous, doc_blobs, text_edits, version_result) => |
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190 |
val prev = previous.get_finished |
56315 | 191 |
val change = |
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192 |
Timing.timeit("parse_change", timing) { |
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193 |
resources.parse_change(reparse_limit, prev, doc_blobs, text_edits) |
47653 | 194 |
} |
56315 | 195 |
version_result.fulfill(change.version) |
196 |
sender ! change |
|
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197 |
|
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198 |
case bad => System.err.println("change_parser: ignoring bad message " + bad) |
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199 |
} |
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200 |
} |
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201 |
} |
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202 |
//}}} |
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203 |
|
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204 |
|
47653 | 205 |
|
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206 |
/** main protocol actor **/ |
34809 | 207 |
|
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/* global state */ |
43644 | 209 |
|
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210 |
private val syslog = Volatile(Queue.empty[XML.Elem]) |
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211 |
def current_syslog(): String = cat_lines(syslog().iterator.map(XML.content)) |
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212 |
|
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213 |
@volatile private var _phase: Session.Phase = Session.Inactive |
39633 | 214 |
private def phase_=(new_phase: Session.Phase) |
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215 |
{ |
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_phase = new_phase |
39701 | 217 |
phase_changed.event(new_phase) |
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218 |
} |
43716 | 219 |
def phase = _phase |
43553 | 220 |
def is_ready: Boolean = phase == Session.Ready |
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221 |
|
45248 | 222 |
private val global_state = Volatile(Document.State.init) |
43719 | 223 |
def current_state(): Document.State = global_state() |
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224 |
|
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225 |
def recent_syntax(): Outer_Syntax = |
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226 |
{ |
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227 |
val version = current_state().recent_finished.version.get_finished |
56208 | 228 |
if (version.is_init) resources.base_syntax |
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229 |
else version.syntax |
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230 |
} |
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231 |
|
44960 | 232 |
def snapshot(name: Document.Node.Name = Document.Node.Name.empty, |
233 |
pending_edits: List[Text.Edit] = Nil): Document.Snapshot = |
|
43719 | 234 |
global_state().snapshot(name, pending_edits) |
43716 | 235 |
|
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236 |
|
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237 |
/* protocol handlers */ |
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238 |
|
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239 |
@volatile private var _protocol_handlers = new Session.Protocol_Handlers() |
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240 |
|
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241 |
def protocol_handler(name: String): Option[Session.Protocol_Handler] = |
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242 |
_protocol_handlers.get(name) |
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243 |
|
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244 |
|
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245 |
/* theory files */ |
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|
246 |
|
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|
247 |
def header_edit(name: Document.Node.Name, header: Document.Node.Header): Document.Edit_Text = |
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|
248 |
{ |
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|
249 |
val header1 = |
56208 | 250 |
if (resources.loaded_theories(name.theory)) |
54559 | 251 |
header.error("Cannot update finished theory " + quote(name.theory)) |
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|
252 |
else header |
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|
253 |
(name, Document.Node.Deps(header1)) |
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254 |
} |
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255 |
|
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|
256 |
|
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|
257 |
/* actor messages */ |
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|
258 |
|
56387 | 259 |
private case class Start(name: String, args: List[String]) |
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260 |
private case class Cancel_Exec(exec_id: Document_ID.Exec) |
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261 |
private case class Protocol_Command(name: String, args: List[String]) |
56385 | 262 |
private case class Messages(msgs: List[Prover.Message]) |
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|
263 |
private case class Update_Options(options: Options) |
41534 | 264 |
|
39572 | 265 |
private val (_, session_actor) = Simple_Thread.actor("session_actor", daemon = true) |
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|
266 |
{ |
43648 | 267 |
val this_actor = self |
34809 | 268 |
|
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|
269 |
var prune_next = System.currentTimeMillis() + prune_delay.ms |
49470 | 270 |
|
34809 | 271 |
|
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272 |
/* buffered prover messages */ |
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273 |
|
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|
274 |
object receiver |
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|
275 |
{ |
56385 | 276 |
private var buffer = new mutable.ListBuffer[Prover.Message] |
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|
277 |
|
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|
278 |
private def flush(): Unit = synchronized { |
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|
279 |
if (!buffer.isEmpty) { |
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|
280 |
val msgs = buffer.toList |
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|
281 |
this_actor ! Messages(msgs) |
56385 | 282 |
buffer = new mutable.ListBuffer[Prover.Message] |
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|
283 |
} |
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|
284 |
} |
56385 | 285 |
def invoke(msg: Prover.Message): Unit = synchronized { |
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|
286 |
msg match { |
56385 | 287 |
case _: Prover.Input => |
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|
288 |
buffer += msg |
56385 | 289 |
case output: Prover.Protocol_Output if output.properties == Markup.Flush => |
54443
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|
290 |
flush() |
56385 | 291 |
case output: Prover.Output => |
54443
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changeset
|
292 |
buffer += msg |
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changeset
|
293 |
if (output.is_syslog) |
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changeset
|
294 |
syslog >> (queue => |
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changeset
|
295 |
{ |
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changeset
|
296 |
val queue1 = queue.enqueue(output.message) |
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changeset
|
297 |
if (queue1.length > syslog_limit) queue1.dequeue._2 else queue1 |
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changeset
|
298 |
}) |
44733
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changeset
|
299 |
} |
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changeset
|
300 |
} |
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changeset
|
301 |
|
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changeset
|
302 |
private val timer = new Timer("session_actor.receiver", true) |
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changeset
|
303 |
timer.schedule(new TimerTask { def run = flush }, message_delay.ms, message_delay.ms) |
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changeset
|
304 |
|
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changeset
|
305 |
def cancel() { timer.cancel() } |
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changeset
|
306 |
} |
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changeset
|
307 |
|
56387 | 308 |
var prover: Option[Prover] = None |
44733
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changeset
|
309 |
|
329320fc88df
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parents:
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changeset
|
310 |
|
44722
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311 |
/* delayed command changes */ |
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|
312 |
|
46570 | 313 |
object delay_commands_changed |
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314 |
{ |
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315 |
private var changed_assignment: Boolean = false |
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316 |
private var changed_nodes: Set[Document.Node.Name] = Set.empty |
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|
317 |
private var changed_commands: Set[Command] = Set.empty |
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|
318 |
|
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|
319 |
private var flush_time: Option[Long] = None |
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|
320 |
|
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|
321 |
def flush_timeout: Long = |
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|
322 |
flush_time match { |
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|
323 |
case None => 5000L |
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|
324 |
case Some(time) => (time - System.currentTimeMillis()) max 0 |
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|
325 |
} |
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|
326 |
|
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|
327 |
def flush() |
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|
328 |
{ |
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329 |
if (changed_assignment || !changed_nodes.isEmpty || !changed_commands.isEmpty) |
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|
330 |
commands_changed_buffer ! |
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|
331 |
Session.Commands_Changed(changed_assignment, changed_nodes, changed_commands) |
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332 |
changed_assignment = false |
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|
333 |
changed_nodes = Set.empty |
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|
334 |
changed_commands = Set.empty |
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|
335 |
flush_time = None |
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|
336 |
} |
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|
337 |
|
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|
338 |
def invoke(assign: Boolean, commands: List[Command]) |
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339 |
{ |
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340 |
changed_assignment |= assign |
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|
341 |
for (command <- commands) { |
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342 |
changed_nodes += command.node_name |
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343 |
changed_commands += command |
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344 |
} |
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|
345 |
val now = System.currentTimeMillis() |
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|
346 |
flush_time match { |
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|
347 |
case None => flush_time = Some(now + output_delay.ms) |
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|
348 |
case Some(time) => if (now >= time) flush() |
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|
349 |
} |
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|
350 |
} |
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|
351 |
} |
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|
352 |
|
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|
353 |
|
52649
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|
354 |
/* raw edits */ |
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|
355 |
|
54521
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|
356 |
def handle_raw_edits(doc_blobs: Document.Blobs, edits: List[Document.Edit_Text]) |
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357 |
//{{{ |
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|
358 |
{ |
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|
359 |
prover.get.discontinue_execution() |
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|
360 |
|
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|
361 |
val previous = global_state().history.tip.version |
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|
362 |
val version = Future.promise[Document.Version] |
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|
363 |
val change = global_state >>> (_.continue_history(previous, edits, version)) |
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changeset
|
364 |
|
54521
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clarified Document.Blobs environment vs. actual edits of auxiliary files;
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changeset
|
365 |
raw_edits.event(Session.Raw_Edits(doc_blobs, edits)) |
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|
366 |
change_parser ! Text_Edits(previous, doc_blobs, edits, version) |
52649
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|
367 |
} |
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|
368 |
//}}} |
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|
369 |
|
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changeset
|
370 |
|
43716 | 371 |
/* resulting changes */ |
34809 | 372 |
|
56315 | 373 |
def handle_change(change: Session.Change) |
38221 | 374 |
//{{{ |
34809 | 375 |
{ |
44383 | 376 |
def id_command(command: Command) |
43720 | 377 |
{ |
54519
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maintain blobs within document state: digest + text in ML, digest-only in Scala;
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changeset
|
378 |
for { |
5fed81762406
maintain blobs within document state: digest + text in ML, digest-only in Scala;
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changeset
|
379 |
digest <- command.blobs_digests |
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changeset
|
380 |
if !global_state().defined_blob(digest) |
5fed81762406
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changeset
|
381 |
} { |
56315 | 382 |
change.doc_blobs.get(digest) match { |
54519
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maintain blobs within document state: digest + text in ML, digest-only in Scala;
wenzelm
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diff
changeset
|
383 |
case Some(blob) => |
5fed81762406
maintain blobs within document state: digest + text in ML, digest-only in Scala;
wenzelm
parents:
54443
diff
changeset
|
384 |
global_state >> (_.define_blob(digest)) |
56335
8953d4cc060a
store blob content within document node: aux. files that were once open are made persistent;
wenzelm
parents:
56316
diff
changeset
|
385 |
prover.get.define_blob(digest, blob.bytes) |
55783 | 386 |
case None => |
387 |
System.err.println("Missing blob for SHA1 digest " + digest) |
|
54519
5fed81762406
maintain blobs within document state: digest + text in ML, digest-only in Scala;
wenzelm
parents:
54443
diff
changeset
|
388 |
} |
5fed81762406
maintain blobs within document state: digest + text in ML, digest-only in Scala;
wenzelm
parents:
54443
diff
changeset
|
389 |
} |
5fed81762406
maintain blobs within document state: digest + text in ML, digest-only in Scala;
wenzelm
parents:
54443
diff
changeset
|
390 |
|
44582 | 391 |
if (!global_state().defined_command(command.id)) { |
46687 | 392 |
global_state >> (_.define_command(command)) |
44644
317e4962dd0f
clarified define_command: store name as structural information;
wenzelm
parents:
44616
diff
changeset
|
393 |
prover.get.define_command(command) |
43720 | 394 |
} |
395 |
} |
|
56315 | 396 |
change.doc_edits foreach { |
44383 | 397 |
case (_, edit) => |
398 |
edit foreach { case (c1, c2) => c1 foreach id_command; c2 foreach id_command } |
|
399 |
} |
|
43722 | 400 |
|
56315 | 401 |
val assignment = global_state().the_assignment(change.previous).check_finished |
402 |
global_state >> (_.define_version(change.version, assignment)) |
|
403 |
prover.get.update(change.previous.id, change.version.id, change.doc_edits) |
|
56316
b1cf8ddc2e04
propagate deps_changed, to resolve missing files without requiring jEdit events (e.g. buffer load/save);
wenzelm
parents:
56315
diff
changeset
|
404 |
resources.commit(change) |
34809 | 405 |
} |
38221 | 406 |
//}}} |
34809 | 407 |
|
408 |
||
46772
be21f050eda4
tuned signature -- emphasize Isabelle_Process Input vs. Output;
wenzelm
parents:
46771
diff
changeset
|
409 |
/* prover output */ |
34809 | 410 |
|
56385 | 411 |
def handle_output(output: Prover.Output) |
38221 | 412 |
//{{{ |
34809 | 413 |
{ |
51662
3391a493f39a
just one timing protocol function, with 3 implementations: TTY/PG, PIDE/document, build;
wenzelm
parents:
51083
diff
changeset
|
414 |
def bad_output() |
43716 | 415 |
{ |
416 |
if (verbose) |
|
46772
be21f050eda4
tuned signature -- emphasize Isabelle_Process Input vs. Output;
wenzelm
parents:
46771
diff
changeset
|
417 |
System.err.println("Ignoring prover output: " + output.message.toString) |
43716 | 418 |
} |
419 |
||
52531 | 420 |
def accumulate(state_id: Document_ID.Generic, message: XML.Elem) |
51662
3391a493f39a
just one timing protocol function, with 3 implementations: TTY/PG, PIDE/document, build;
wenzelm
parents:
51083
diff
changeset
|
421 |
{ |
3391a493f39a
just one timing protocol function, with 3 implementations: TTY/PG, PIDE/document, build;
wenzelm
parents:
51083
diff
changeset
|
422 |
try { |
3391a493f39a
just one timing protocol function, with 3 implementations: TTY/PG, PIDE/document, build;
wenzelm
parents:
51083
diff
changeset
|
423 |
val st = global_state >>> (_.accumulate(state_id, message)) |
3391a493f39a
just one timing protocol function, with 3 implementations: TTY/PG, PIDE/document, build;
wenzelm
parents:
51083
diff
changeset
|
424 |
delay_commands_changed.invoke(false, List(st.command)) |
3391a493f39a
just one timing protocol function, with 3 implementations: TTY/PG, PIDE/document, build;
wenzelm
parents:
51083
diff
changeset
|
425 |
} |
3391a493f39a
just one timing protocol function, with 3 implementations: TTY/PG, PIDE/document, build;
wenzelm
parents:
51083
diff
changeset
|
426 |
catch { |
3391a493f39a
just one timing protocol function, with 3 implementations: TTY/PG, PIDE/document, build;
wenzelm
parents:
51083
diff
changeset
|
427 |
case _: Document.State.Fail => bad_output() |
3391a493f39a
just one timing protocol function, with 3 implementations: TTY/PG, PIDE/document, build;
wenzelm
parents:
51083
diff
changeset
|
428 |
} |
3391a493f39a
just one timing protocol function, with 3 implementations: TTY/PG, PIDE/document, build;
wenzelm
parents:
51083
diff
changeset
|
429 |
} |
3391a493f39a
just one timing protocol function, with 3 implementations: TTY/PG, PIDE/document, build;
wenzelm
parents:
51083
diff
changeset
|
430 |
|
54442
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
431 |
output match { |
56385 | 432 |
case msg: Prover.Protocol_Output => |
54442
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
433 |
val handled = _protocol_handlers.invoke(msg) |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
434 |
if (!handled) { |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
435 |
msg.properties match { |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
436 |
case Markup.Protocol_Handler(name) => |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
437 |
_protocol_handlers = _protocol_handlers.add(prover.get, name) |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
438 |
|
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
439 |
case Protocol.Command_Timing(state_id, timing) => |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
440 |
val message = XML.elem(Markup.STATUS, List(XML.Elem(Markup.Timing(timing), Nil))) |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
441 |
accumulate(state_id, prover.get.xml_cache.elem(message)) |
46122 | 442 |
|
54442
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
443 |
case Markup.Assign_Update => |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
444 |
msg.text match { |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
445 |
case Protocol.Assign_Update(id, update) => |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
446 |
try { |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
447 |
val cmds = global_state >>> (_.assign(id, update)) |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
448 |
delay_commands_changed.invoke(true, cmds) |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
449 |
} |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
450 |
catch { case _: Document.State.Fail => bad_output() } |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
451 |
case _ => bad_output() |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
452 |
} |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
453 |
// FIXME separate timeout event/message!? |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
454 |
if (prover.isDefined && System.currentTimeMillis() > prune_next) { |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
455 |
val old_versions = global_state >>> (_.prune_history(prune_size)) |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
456 |
if (!old_versions.isEmpty) prover.get.remove_versions(old_versions) |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
457 |
prune_next = System.currentTimeMillis() + prune_delay.ms |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
458 |
} |
46122 | 459 |
|
54442
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
460 |
case Markup.Removed_Versions => |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
461 |
msg.text match { |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
462 |
case Protocol.Removed(removed) => |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
463 |
try { |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
464 |
global_state >> (_.removed_versions(removed)) |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
465 |
} |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
466 |
catch { case _: Document.State.Fail => bad_output() } |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
467 |
case _ => bad_output() |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
468 |
} |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
469 |
|
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
470 |
case Markup.ML_Statistics(props) => |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
471 |
statistics.event(Session.Statistics(props)) |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
472 |
|
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
473 |
case Markup.Task_Statistics(props) => |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
474 |
// FIXME |
52111
1fd184eaa310
explicit management of Session.Protocol_Handlers, with protocol state and functions;
wenzelm
parents:
52084
diff
changeset
|
475 |
|
54442
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
476 |
case _ => bad_output() |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
477 |
} |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
478 |
} |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
479 |
case _ => |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
480 |
output.properties match { |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
481 |
case Position.Id(state_id) => |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
482 |
accumulate(state_id, output.message) |
56210 | 483 |
|
54442
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
484 |
case _ if output.is_init => |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
485 |
phase = Session.Ready |
56210 | 486 |
|
54442
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
487 |
case Markup.Return_Code(rc) if output.is_exit => |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
488 |
if (rc == 0) phase = Session.Inactive |
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
489 |
else phase = Session.Failed |
56210 | 490 |
|
54442
c39972ddd672
more specific Protocol_Output: empty message.body, main content via bytes/text;
wenzelm
parents:
53054
diff
changeset
|
491 |
case _ => raw_output_messages.event(output) |
44661
383c9d758a56
raw message function "assign_execs" avoids full overhead of decoding and caching message body;
wenzelm
parents:
44644
diff
changeset
|
492 |
} |
52111
1fd184eaa310
explicit management of Session.Protocol_Handlers, with protocol state and functions;
wenzelm
parents:
52084
diff
changeset
|
493 |
} |
34809 | 494 |
} |
38221 | 495 |
//}}} |
34809 | 496 |
|
34820
a8ba6cde13e9
basic setup for synchronous / modal (!) prover startup;
wenzelm
parents:
34819
diff
changeset
|
497 |
|
39630
44181423183a
explicit Session.Phase indication with associated event bus;
wenzelm
parents:
39629
diff
changeset
|
498 |
/* main loop */ |
34809 | 499 |
|
43716 | 500 |
//{{{ |
38639
f642faca303e
main session actor as independent thread, to avoid starvation via regular worker pool;
wenzelm
parents:
38569
diff
changeset
|
501 |
var finished = false |
f642faca303e
main session actor as independent thread, to avoid starvation via regular worker pool;
wenzelm
parents:
38569
diff
changeset
|
502 |
while (!finished) { |
46570 | 503 |
receiveWithin(delay_commands_changed.flush_timeout) { |
504 |
case TIMEOUT => delay_commands_changed.flush() |
|
44722
a8331fb5c959
commands_change_delay within main actor -- prevents overloading of commands_change_buffer input channel;
wenzelm
parents:
44721
diff
changeset
|
505 |
|
56387 | 506 |
case Start(name, args) if prover.isEmpty => |
39701 | 507 |
if (phase == Session.Inactive || phase == Session.Failed) { |
508 |
phase = Session.Startup |
|
56387 | 509 |
prover = Some(resources.start_prover(receiver.invoke _, name, args)) |
39701 | 510 |
} |
38841
4df7b76249a0
include Document.History in Document.State -- just one universal session state maintained by main actor;
wenzelm
parents:
38722
diff
changeset
|
511 |
|
39701 | 512 |
case Stop => |
513 |
if (phase == Session.Ready) { |
|
53054
8365d7fca3de
public access for protocol handlers and protocol commands -- to be used within reason;
wenzelm
parents:
52931
diff
changeset
|
514 |
_protocol_handlers = _protocol_handlers.stop(prover.get) |
46687 | 515 |
global_state >> (_ => Document.State.init) // FIXME event bus!? |
39701 | 516 |
phase = Session.Shutdown |
43649 | 517 |
prover.get.terminate |
43717 | 518 |
prover = None |
39701 | 519 |
phase = Session.Inactive |
520 |
} |
|
39630
44181423183a
explicit Session.Phase indication with associated event bus;
wenzelm
parents:
39629
diff
changeset
|
521 |
finished = true |
44733
329320fc88df
buffer prover messages to prevent overloading of session_actor input channel -- which is critical due to synchronous messages wrt. GUI thread;
wenzelm
parents:
44732
diff
changeset
|
522 |
receiver.cancel() |
39630
44181423183a
explicit Session.Phase indication with associated event bus;
wenzelm
parents:
39629
diff
changeset
|
523 |
reply(()) |
38850
5c3e5c548f12
session_actor: ignore spurious TIMEOUT (again) -- probably stemming from earlier use of receiveWithin;
wenzelm
parents:
38849
diff
changeset
|
524 |
|
52084
573e80625c78
more explicit Session.update_options as source of Global_Options event;
wenzelm
parents:
51818
diff
changeset
|
525 |
case Update_Options(options) if prover.isDefined => |
52649
f45ab3e8211b
update_options with full update, e.g. required for re-assignment of Command.prints;
wenzelm
parents:
52563
diff
changeset
|
526 |
if (is_ready) { |
f45ab3e8211b
update_options with full update, e.g. required for re-assignment of Command.prints;
wenzelm
parents:
52563
diff
changeset
|
527 |
prover.get.options(options) |
55783 | 528 |
handle_raw_edits(Document.Blobs.empty, Nil) |
52649
f45ab3e8211b
update_options with full update, e.g. required for re-assignment of Command.prints;
wenzelm
parents:
52563
diff
changeset
|
529 |
} |
52084
573e80625c78
more explicit Session.update_options as source of Global_Options event;
wenzelm
parents:
51818
diff
changeset
|
530 |
global_options.event(Session.Global_Options(options)) |
573e80625c78
more explicit Session.update_options as source of Global_Options event;
wenzelm
parents:
51818
diff
changeset
|
531 |
reply(()) |
50117 | 532 |
|
52931
ac6648c0c0fb
cancel_query via direct access to the exec_id of the running query process;
wenzelm
parents:
52800
diff
changeset
|
533 |
case Cancel_Exec(exec_id) if prover.isDefined => |
ac6648c0c0fb
cancel_query via direct access to the exec_id of the running query process;
wenzelm
parents:
52800
diff
changeset
|
534 |
prover.get.cancel_exec(exec_id) |
ac6648c0c0fb
cancel_query via direct access to the exec_id of the running query process;
wenzelm
parents:
52800
diff
changeset
|
535 |
|
54521
744ea0025e11
clarified Document.Blobs environment vs. actual edits of auxiliary files;
wenzelm
parents:
54519
diff
changeset
|
536 |
case Session.Raw_Edits(doc_blobs, edits) if prover.isDefined => |
744ea0025e11
clarified Document.Blobs environment vs. actual edits of auxiliary files;
wenzelm
parents:
54519
diff
changeset
|
537 |
handle_raw_edits(doc_blobs, edits) |
43718 | 538 |
reply(()) |
539 |
||
50500
c94bba7906d2
identify dialogs via official serial and maintain as result message;
wenzelm
parents:
50499
diff
changeset
|
540 |
case Session.Dialog_Result(id, serial, result) if prover.isDefined => |
c94bba7906d2
identify dialogs via official serial and maintain as result message;
wenzelm
parents:
50499
diff
changeset
|
541 |
prover.get.dialog_result(serial, result) |
56385 | 542 |
handle_output(new Prover.Output(Protocol.Dialog_Result(id, serial, result))) |
50498 | 543 |
|
53054
8365d7fca3de
public access for protocol handlers and protocol commands -- to be used within reason;
wenzelm
parents:
52931
diff
changeset
|
544 |
case Protocol_Command(name, args) if prover.isDefined => |
8365d7fca3de
public access for protocol handlers and protocol commands -- to be used within reason;
wenzelm
parents:
52931
diff
changeset
|
545 |
prover.get.protocol_command(name, args:_*) |
8365d7fca3de
public access for protocol handlers and protocol commands -- to be used within reason;
wenzelm
parents:
52931
diff
changeset
|
546 |
|
44733
329320fc88df
buffer prover messages to prevent overloading of session_actor input channel -- which is critical due to synchronous messages wrt. GUI thread;
wenzelm
parents:
44732
diff
changeset
|
547 |
case Messages(msgs) => |
329320fc88df
buffer prover messages to prevent overloading of session_actor input channel -- which is critical due to synchronous messages wrt. GUI thread;
wenzelm
parents:
44732
diff
changeset
|
548 |
msgs foreach { |
56385 | 549 |
case input: Prover.Input => |
46774 | 550 |
all_messages.event(input) |
43721
fad8634cee62
echo prover input via raw_messages, for improved protocol tracing;
wenzelm
parents:
43720
diff
changeset
|
551 |
|
56385 | 552 |
case output: Prover.Output => |
48999 | 553 |
if (output.is_stdout || output.is_stderr) raw_output_messages.event(output) |
554 |
else handle_output(output) |
|
46772
be21f050eda4
tuned signature -- emphasize Isabelle_Process Input vs. Output;
wenzelm
parents:
46771
diff
changeset
|
555 |
if (output.is_syslog) syslog_messages.event(output) |
46774 | 556 |
all_messages.event(output) |
44733
329320fc88df
buffer prover messages to prevent overloading of session_actor input channel -- which is critical due to synchronous messages wrt. GUI thread;
wenzelm
parents:
44732
diff
changeset
|
557 |
} |
43716 | 558 |
|
56315 | 559 |
case change: Session.Change |
45635
d9cf3520083c
explicit change_parser thread, which avoids undirected Future.fork with its tendency towards hundreds of worker threads;
wenzelm
parents:
45633
diff
changeset
|
560 |
if prover.isDefined && global_state().is_assigned(change.previous) => |
d9cf3520083c
explicit change_parser thread, which avoids undirected Future.fork with its tendency towards hundreds of worker threads;
wenzelm
parents:
45633
diff
changeset
|
561 |
handle_change(change) |
d9cf3520083c
explicit change_parser thread, which avoids undirected Future.fork with its tendency towards hundreds of worker threads;
wenzelm
parents:
45633
diff
changeset
|
562 |
|
56315 | 563 |
case bad if !bad.isInstanceOf[Session.Change] => |
45635
d9cf3520083c
explicit change_parser thread, which avoids undirected Future.fork with its tendency towards hundreds of worker threads;
wenzelm
parents:
45633
diff
changeset
|
564 |
System.err.println("session_actor: ignoring bad message " + bad) |
34777
91d6089cef88
class Session models full session, with or without prover process (cf. heaps, browser_info);
wenzelm
parents:
diff
changeset
|
565 |
} |
91d6089cef88
class Session models full session, with or without prover process (cf. heaps, browser_info);
wenzelm
parents:
diff
changeset
|
566 |
} |
43716 | 567 |
//}}} |
34777
91d6089cef88
class Session models full session, with or without prover process (cf. heaps, browser_info);
wenzelm
parents:
diff
changeset
|
568 |
} |
91d6089cef88
class Session models full session, with or without prover process (cf. heaps, browser_info);
wenzelm
parents:
diff
changeset
|
569 |
|
34809 | 570 |
|
43716 | 571 |
/* actions */ |
34809 | 572 |
|
56387 | 573 |
def start(name: String, args: List[String]) |
50117 | 574 |
{ |
56387 | 575 |
session_actor ! Start(name, args) |
50117 | 576 |
} |
45076 | 577 |
|
50117 | 578 |
def stop() |
579 |
{ |
|
580 |
commands_changed_buffer !? Stop |
|
581 |
change_parser !? Stop |
|
582 |
session_actor !? Stop |
|
583 |
} |
|
38841
4df7b76249a0
include Document.History in Document.State -- just one universal session state maintained by main actor;
wenzelm
parents:
38722
diff
changeset
|
584 |
|
53054
8365d7fca3de
public access for protocol handlers and protocol commands -- to be used within reason;
wenzelm
parents:
52931
diff
changeset
|
585 |
def protocol_command(name: String, args: String*) |
8365d7fca3de
public access for protocol handlers and protocol commands -- to be used within reason;
wenzelm
parents:
52931
diff
changeset
|
586 |
{ session_actor ! Protocol_Command(name, args.toList) } |
8365d7fca3de
public access for protocol handlers and protocol commands -- to be used within reason;
wenzelm
parents:
52931
diff
changeset
|
587 |
|
52931
ac6648c0c0fb
cancel_query via direct access to the exec_id of the running query process;
wenzelm
parents:
52800
diff
changeset
|
588 |
def cancel_exec(exec_id: Document_ID.Exec) { session_actor ! Cancel_Exec(exec_id) } |
ac6648c0c0fb
cancel_query via direct access to the exec_id of the running query process;
wenzelm
parents:
52800
diff
changeset
|
589 |
|
54521
744ea0025e11
clarified Document.Blobs environment vs. actual edits of auxiliary files;
wenzelm
parents:
54519
diff
changeset
|
590 |
def update(doc_blobs: Document.Blobs, edits: List[Document.Edit_Text]) |
744ea0025e11
clarified Document.Blobs environment vs. actual edits of auxiliary files;
wenzelm
parents:
54519
diff
changeset
|
591 |
{ if (!edits.isEmpty) session_actor !? Session.Raw_Edits(doc_blobs, edits) } |
50498 | 592 |
|
52084
573e80625c78
more explicit Session.update_options as source of Global_Options event;
wenzelm
parents:
51818
diff
changeset
|
593 |
def update_options(options: Options) |
573e80625c78
more explicit Session.update_options as source of Global_Options event;
wenzelm
parents:
51818
diff
changeset
|
594 |
{ session_actor !? Update_Options(options) } |
573e80625c78
more explicit Session.update_options as source of Global_Options event;
wenzelm
parents:
51818
diff
changeset
|
595 |
|
52531 | 596 |
def dialog_result(id: Document_ID.Generic, serial: Long, result: String) |
50500
c94bba7906d2
identify dialogs via official serial and maintain as result message;
wenzelm
parents:
50499
diff
changeset
|
597 |
{ session_actor ! Session.Dialog_Result(id, serial, result) } |
34777
91d6089cef88
class Session models full session, with or without prover process (cf. heaps, browser_info);
wenzelm
parents:
diff
changeset
|
598 |
} |