author | wenzelm |
Tue, 21 Apr 2020 19:07:11 +0200 | |
changeset 71774 | 491f185fd705 |
parent 71747 | 1dd514c8c1df |
child 71896 | ce06d6456cc8 |
permissions | -rw-r--r-- |
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/* Title: Tools/VSCode/src/server.scala |
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Author: Makarius |
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Server for VS Code Language Server Protocol 2.0/3.0, see also |
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https://github.com/Microsoft/language-server-protocol |
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https://github.com/Microsoft/language-server-protocol/blob/master/protocol.md |
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PIDE protocol extensions depend on system option "vscode_pide_extensions". |
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*/ |
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package isabelle.vscode |
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import isabelle._ |
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import java.io.{PrintStream, OutputStream, File => JFile} |
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import scala.annotation.tailrec |
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import scala.collection.mutable |
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object Server |
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{ |
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type Editor = isabelle.Editor[Unit] |
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/* Isabelle tool wrapper */ |
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private lazy val default_logic = Isabelle_System.getenv("ISABELLE_LOGIC") |
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val isabelle_tool = Isabelle_Tool("vscode_server", "VSCode Language Server for PIDE", args => |
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{ |
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try { |
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var logic_ancestor: Option[String] = None |
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var log_file: Option[Path] = None |
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var logic_requirements = false |
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var dirs: List[Path] = Nil |
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var include_sessions: List[String] = Nil |
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var logic = default_logic |
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var modes: List[String] = Nil |
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var options = Options.init() |
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var verbose = false |
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val getopts = Getopts(""" |
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Usage: isabelle vscode_server [OPTIONS] |
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Options are: |
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-A NAME ancestor session for option -R (default: parent) |
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-L FILE logging on FILE |
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-R NAME build image with requirements from other sessions |
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-d DIR include session directory |
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-i NAME include session in name-space of theories |
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-l NAME logic session name (default ISABELLE_LOGIC=""" + quote(default_logic) + """) |
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-m MODE add print mode for output |
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-o OPTION override Isabelle system OPTION (via NAME=VAL or NAME) |
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-v verbose logging |
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Run the VSCode Language Server protocol (JSON RPC) over stdin/stdout. |
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""", |
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"A:" -> (arg => logic_ancestor = Some(arg)), |
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"L:" -> (arg => log_file = Some(Path.explode(File.standard_path(arg)))), |
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"R:" -> (arg => { logic = arg; logic_requirements = true }), |
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"d:" -> (arg => dirs = dirs ::: List(Path.explode(File.standard_path(arg)))), |
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"i:" -> (arg => include_sessions = include_sessions ::: List(arg)), |
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"l:" -> (arg => logic = arg), |
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"m:" -> (arg => modes = arg :: modes), |
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"o:" -> (arg => options = options + arg), |
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"v" -> (_ => verbose = true)) |
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val more_args = getopts(args) |
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if (more_args.nonEmpty) getopts.usage() |
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val log = Logger.make(log_file) |
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val channel = new Channel(System.in, System.out, log, verbose) |
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val server = |
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new Server(channel, options, session_name = logic, session_dirs = dirs, |
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include_sessions = include_sessions, session_ancestor = logic_ancestor, |
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session_requirements = logic_requirements, modes = modes, log = log) |
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// prevent spurious garbage on the main protocol channel |
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val orig_out = System.out |
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try { |
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System.setOut(new PrintStream(new OutputStream { def write(n: Int) {} })) |
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server.start() |
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} |
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finally { System.setOut(orig_out) } |
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} |
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catch { |
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case exn: Throwable => |
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val channel = new Channel(System.in, System.out, No_Logger) |
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channel.error_message(Exn.message(exn)) |
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throw(exn) |
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} |
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}) |
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} |
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class Server( |
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val channel: Channel, |
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options: Options, |
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session_name: String = Server.default_logic, |
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session_dirs: List[Path] = Nil, |
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include_sessions: List[String] = Nil, |
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session_ancestor: Option[String] = None, |
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session_requirements: Boolean = false, |
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modes: List[String] = Nil, |
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log: Logger = No_Logger) |
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{ |
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server => |
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/* prover session */ |
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private val session_ = Synchronized(None: Option[Session]) |
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def session: Session = session_.value getOrElse error("Server inactive") |
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def resources: VSCode_Resources = session.resources.asInstanceOf[VSCode_Resources] |
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def rendering_offset(node_pos: Line.Node_Position): Option[(VSCode_Rendering, Text.Offset)] = |
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for { |
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model <- resources.get_model(new JFile(node_pos.name)) |
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rendering = model.rendering() |
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offset <- model.content.doc.offset(node_pos.pos) |
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} yield (rendering, offset) |
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private val dynamic_output = Dynamic_Output(server) |
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/* input from client or file-system */ |
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private val delay_input: Delay = |
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Delay.last(options.seconds("vscode_input_delay"), channel.Error_Logger) |
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{ resources.flush_input(session, channel) } |
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private val delay_load: Delay = |
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Delay.last(options.seconds("vscode_load_delay"), channel.Error_Logger) { |
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val (invoke_input, invoke_load) = |
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resources.resolve_dependencies(session, editor, file_watcher) |
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if (invoke_input) delay_input.invoke() |
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if (invoke_load) delay_load.invoke |
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} |
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private val file_watcher = |
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File_Watcher(sync_documents, options.seconds("vscode_load_delay")) |
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private def close_document(file: JFile) |
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{ |
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if (resources.close_model(file)) { |
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file_watcher.register_parent(file) |
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sync_documents(Set(file)) |
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delay_input.invoke() |
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delay_output.invoke() |
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} |
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} |
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private def sync_documents(changed: Set[JFile]) |
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{ |
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resources.sync_models(changed) |
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delay_input.invoke() |
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delay_output.invoke() |
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} |
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private def change_document(file: JFile, version: Long, changes: List[Protocol.TextDocumentChange]) |
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{ |
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val norm_changes = new mutable.ListBuffer[Protocol.TextDocumentChange] |
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@tailrec def norm(chs: List[Protocol.TextDocumentChange]) |
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{ |
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if (chs.nonEmpty) { |
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val (full_texts, rest1) = chs.span(_.range.isEmpty) |
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val (edits, rest2) = rest1.span(_.range.nonEmpty) |
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norm_changes ++= full_texts |
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norm_changes ++= edits.sortBy(_.range.get.start)(Line.Position.Ordering).reverse |
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norm(rest2) |
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} |
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} |
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norm(changes) |
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norm_changes.foreach(change => |
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resources.change_model(session, editor, file, version, change.text, change.range)) |
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delay_input.invoke() |
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delay_output.invoke() |
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} |
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/* caret handling */ |
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private val delay_caret_update: Delay = |
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Delay.last(options.seconds("vscode_input_delay"), channel.Error_Logger) |
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{ session.caret_focus.post(Session.Caret_Focus) } |
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private def update_caret(caret: Option[(JFile, Line.Position)]) |
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{ |
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resources.update_caret(caret) |
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delay_caret_update.invoke() |
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delay_input.invoke() |
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} |
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/* preview */ |
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private lazy val preview_panel = new Preview_Panel(resources) |
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private lazy val delay_preview: Delay = |
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Delay.last(options.seconds("vscode_output_delay"), channel.Error_Logger) |
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{ |
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if (preview_panel.flush(channel)) delay_preview.invoke() |
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} |
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private def request_preview(file: JFile, column: Int) |
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{ |
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preview_panel.request(file, column) |
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delay_preview.invoke() |
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} |
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/* output to client */ |
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private val delay_output: Delay = |
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Delay.last(options.seconds("vscode_output_delay"), channel.Error_Logger) |
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{ |
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if (resources.flush_output(channel)) delay_output.invoke() |
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} |
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def update_output(changed_nodes: Traversable[JFile]) |
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{ |
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resources.update_output(changed_nodes) |
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delay_output.invoke() |
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} |
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def update_output_visible() |
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{ |
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resources.update_output_visible() |
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delay_output.invoke() |
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} |
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private val prover_output = |
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Session.Consumer[Session.Commands_Changed](getClass.getName) { |
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case changed => |
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update_output(changed.nodes.toList.map(resources.node_file(_))) |
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} |
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private val syslog_messages = |
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Session.Consumer[Prover.Output](getClass.getName) { |
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case output => channel.log_writeln(resources.output_xml(output.message)) |
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} |
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/* init and exit */ |
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def init(id: Protocol.Id) |
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{ |
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def reply_ok(msg: String) |
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{ |
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channel.write(Protocol.Initialize.reply(id, "")) |
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channel.writeln(msg) |
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} |
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def reply_error(msg: String) |
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{ |
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258 |
channel.write(Protocol.Initialize.reply(id, msg)) |
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|
259 |
channel.error_message(msg) |
64641 | 260 |
} |
261 |
||
64643 | 262 |
val try_session = |
263 |
try { |
|
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|
264 |
val base_info = |
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|
265 |
Sessions.base_info( |
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|
266 |
options, session_name, dirs = session_dirs, include_sessions = include_sessions, |
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|
267 |
session_ancestor = session_ancestor, session_requirements = session_requirements) |
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|
268 |
|
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|
269 |
base_info.check_base |
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|
270 |
|
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|
271 |
def build(no_build: Boolean = false): Build.Results = |
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|
272 |
Build.build(options, build_heap = true, no_build = no_build, dirs = session_dirs, |
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|
273 |
infos = base_info.infos, sessions = List(base_info.session)) |
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|
274 |
|
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|
275 |
if (!build(no_build = true).ok) { |
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|
276 |
val start_msg = "Build started for Isabelle/" + base_info.session + " ..." |
64733 | 277 |
val fail_msg = "Session build failed -- prover process remains inactive!" |
278 |
||
67856 | 279 |
val progress = channel.progress(verbose = true) |
64733 | 280 |
progress.echo(start_msg); channel.writeln(start_msg) |
281 |
||
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|
282 |
if (!build().ok) { progress.echo(fail_msg); error(fail_msg) } |
64733 | 283 |
} |
284 |
||
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changeset
|
285 |
val resources = new VSCode_Resources(options, base_info, log) |
64854 | 286 |
{ |
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|
287 |
override def commit(change: Session.Change): Unit = |
64800 | 288 |
if (change.deps_changed || undefined_blobs(change.version.nodes).nonEmpty) |
289 |
delay_load.invoke() |
|
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|
290 |
} |
64605 | 291 |
|
65272
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|
292 |
val session_options = options.bool("editor_output_state") = true |
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|
293 |
val session = new Session(session_options, resources) |
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|
294 |
|
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|
295 |
Some((base_info, session)) |
64605 | 296 |
} |
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|
297 |
catch { case ERROR(msg) => reply_error(msg); None } |
64605 | 298 |
|
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|
299 |
for ((base_info, session) <- try_session) { |
65191
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|
300 |
session_.change(_ => Some(session)) |
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dynamic output, depending on caret focus (see also Tools/jEdit/src/output_dockable.scala);
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changeset
|
301 |
|
65227 | 302 |
session.commands_changed += prover_output |
66389 | 303 |
session.syslog_messages += syslog_messages |
65227 | 304 |
|
305 |
dynamic_output.init() |
|
306 |
||
71607 | 307 |
try { |
71604 | 308 |
Isabelle_Process(session, options, base_info.sessions_structure, Sessions.store(options), |
71607 | 309 |
modes = modes, logic = base_info.session).await_startup |
71604 | 310 |
reply_ok("Welcome to Isabelle/" + base_info.session + " (" + Distribution.version + ")") |
311 |
} |
|
312 |
catch { case ERROR(msg) => reply_error(msg) } |
|
64643 | 313 |
} |
64605 | 314 |
} |
315 |
||
64641 | 316 |
def shutdown(id: Protocol.Id) |
64605 | 317 |
{ |
64641 | 318 |
def reply(err: String): Unit = channel.write(Protocol.Shutdown.reply(id, err)) |
319 |
||
64703 | 320 |
session_.change({ |
321 |
case Some(session) => |
|
65228 | 322 |
session.commands_changed -= prover_output |
66389 | 323 |
session.syslog_messages -= syslog_messages |
65228 | 324 |
|
65191
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dynamic output, depending on caret focus (see also Tools/jEdit/src/output_dockable.scala);
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changeset
|
325 |
dynamic_output.exit() |
65228 | 326 |
|
327 |
delay_load.revoke() |
|
328 |
file_watcher.shutdown() |
|
64703 | 329 |
delay_input.revoke() |
330 |
delay_output.revoke() |
|
65228 | 331 |
delay_caret_update.revoke() |
65983 | 332 |
delay_preview.revoke() |
65228 | 333 |
|
66677 | 334 |
val result = session.stop() |
71747 | 335 |
if (result.ok) reply("") |
336 |
else reply("Prover shutdown failed: " + result.rc) |
|
64703 | 337 |
None |
338 |
case None => |
|
339 |
reply("Prover inactive") |
|
340 |
None |
|
341 |
}) |
|
64605 | 342 |
} |
343 |
||
64646 | 344 |
def exit() { |
64717 | 345 |
log("\n") |
69033 | 346 |
sys.exit(if (session_.value.isDefined) 2 else 0) |
64646 | 347 |
} |
64605 | 348 |
|
349 |
||
64877 | 350 |
/* completion */ |
351 |
||
352 |
def completion(id: Protocol.Id, node_pos: Line.Node_Position) |
|
353 |
{ |
|
354 |
val result = |
|
355 |
(for ((rendering, offset) <- rendering_offset(node_pos)) |
|
66054
fb0eea226a4d
more uniform syntax_completion + semantic_completion;
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diff
changeset
|
356 |
yield rendering.completion(node_pos.pos, offset)) getOrElse Nil |
64877 | 357 |
channel.write(Protocol.Completion.reply(id, result)) |
358 |
} |
|
359 |
||
360 |
||
66138 | 361 |
/* spell-checker dictionary */ |
362 |
||
363 |
def update_dictionary(include: Boolean, permanent: Boolean) |
|
364 |
{ |
|
365 |
for { |
|
366 |
spell_checker <- resources.spell_checker.get |
|
367 |
caret <- resources.get_caret() |
|
368 |
rendering = caret.model.rendering() |
|
369 |
range = rendering.before_caret_range(caret.offset) |
|
370 |
Text.Info(_, word) <- Spell_Checker.current_word(rendering, range) |
|
371 |
} { |
|
372 |
spell_checker.update(word, include, permanent) |
|
373 |
update_output_visible() |
|
374 |
} |
|
375 |
} |
|
376 |
||
377 |
def reset_dictionary() |
|
378 |
{ |
|
379 |
for (spell_checker <- resources.spell_checker.get) |
|
380 |
{ |
|
381 |
spell_checker.reset() |
|
382 |
update_output_visible() |
|
383 |
} |
|
384 |
} |
|
385 |
||
386 |
||
64622
529bbb8977c7
more uniform rendering for Isabelle/jEdit and Isabelle/VSCode;
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parents:
64618
diff
changeset
|
387 |
/* hover */ |
64605 | 388 |
|
64651 | 389 |
def hover(id: Protocol.Id, node_pos: Line.Node_Position) |
64641 | 390 |
{ |
391 |
val result = |
|
392 |
for { |
|
64651 | 393 |
(rendering, offset) <- rendering_offset(node_pos) |
65134
511bf19348d3
clarified messages (with improved scalability): legacy/error as diagnostics, writeln/information/warning/bad as tooltips (dynamic hover);
wenzelm
parents:
65129
diff
changeset
|
394 |
info <- rendering.tooltips(VSCode_Rendering.tooltip_elements, Text.Range(offset, offset + 1)) |
64641 | 395 |
} yield { |
65197 | 396 |
val range = rendering.model.content.doc.range(info.range) |
64748 | 397 |
val contents = |
65107 | 398 |
info.info.map(t => Protocol.MarkedString(resources.output_pretty_tooltip(List(t)))) |
64748 | 399 |
(range, contents) |
64641 | 400 |
} |
401 |
channel.write(Protocol.Hover.reply(id, result)) |
|
402 |
} |
|
64605 | 403 |
|
404 |
||
64648
5d7f741aaccb
basic support for hyperlinks / Goto Definition Request;
wenzelm
parents:
64646
diff
changeset
|
405 |
/* goto definition */ |
5d7f741aaccb
basic support for hyperlinks / Goto Definition Request;
wenzelm
parents:
64646
diff
changeset
|
406 |
|
64651 | 407 |
def goto_definition(id: Protocol.Id, node_pos: Line.Node_Position) |
64648
5d7f741aaccb
basic support for hyperlinks / Goto Definition Request;
wenzelm
parents:
64646
diff
changeset
|
408 |
{ |
5d7f741aaccb
basic support for hyperlinks / Goto Definition Request;
wenzelm
parents:
64646
diff
changeset
|
409 |
val result = |
64651 | 410 |
(for ((rendering, offset) <- rendering_offset(node_pos)) |
64649 | 411 |
yield rendering.hyperlinks(Text.Range(offset, offset + 1))) getOrElse Nil |
64648
5d7f741aaccb
basic support for hyperlinks / Goto Definition Request;
wenzelm
parents:
64646
diff
changeset
|
412 |
channel.write(Protocol.GotoDefinition.reply(id, result)) |
5d7f741aaccb
basic support for hyperlinks / Goto Definition Request;
wenzelm
parents:
64646
diff
changeset
|
413 |
} |
5d7f741aaccb
basic support for hyperlinks / Goto Definition Request;
wenzelm
parents:
64646
diff
changeset
|
414 |
|
5d7f741aaccb
basic support for hyperlinks / Goto Definition Request;
wenzelm
parents:
64646
diff
changeset
|
415 |
|
64767 | 416 |
/* document highlights */ |
417 |
||
418 |
def document_highlights(id: Protocol.Id, node_pos: Line.Node_Position) |
|
419 |
{ |
|
420 |
val result = |
|
421 |
(for ((rendering, offset) <- rendering_offset(node_pos)) |
|
422 |
yield { |
|
65197 | 423 |
val model = rendering.model |
424 |
rendering.caret_focus_ranges(Text.Range(offset, offset + 1), model.content.text_range) |
|
425 |
.map(r => Protocol.DocumentHighlight.text(model.content.doc.range(r))) |
|
64767 | 426 |
}) getOrElse Nil |
427 |
channel.write(Protocol.DocumentHighlights.reply(id, result)) |
|
428 |
} |
|
429 |
||
430 |
||
64605 | 431 |
/* main loop */ |
432 |
||
433 |
def start() |
|
434 |
{ |
|
64717 | 435 |
log("Server started " + Date.now()) |
64605 | 436 |
|
437 |
def handle(json: JSON.T) |
|
438 |
{ |
|
439 |
try { |
|
440 |
json match { |
|
64641 | 441 |
case Protocol.Initialize(id) => init(id) |
65229 | 442 |
case Protocol.Initialized(()) => |
64641 | 443 |
case Protocol.Shutdown(id) => shutdown(id) |
64645 | 444 |
case Protocol.Exit(()) => exit() |
66674 | 445 |
case Protocol.DidOpenTextDocument(file, _, version, text) => |
446 |
change_document(file, version, List(Protocol.TextDocumentChange(None, text))) |
|
67292
386ddccfccbf
implicit thy_load context for bibtex files (VSCode);
wenzelm
parents:
66976
diff
changeset
|
447 |
delay_load.invoke() |
66674 | 448 |
case Protocol.DidChangeTextDocument(file, version, changes) => |
449 |
change_document(file, version, changes) |
|
65160 | 450 |
case Protocol.DidCloseTextDocument(file) => close_document(file) |
64877 | 451 |
case Protocol.Completion(id, node_pos) => completion(id, node_pos) |
66138 | 452 |
case Protocol.Include_Word(()) => update_dictionary(true, false) |
453 |
case Protocol.Include_Word_Permanently(()) => update_dictionary(true, true) |
|
454 |
case Protocol.Exclude_Word(()) => update_dictionary(false, false) |
|
455 |
case Protocol.Exclude_Word_Permanently(()) => update_dictionary(false, true) |
|
456 |
case Protocol.Reset_Words(()) => reset_dictionary() |
|
64651 | 457 |
case Protocol.Hover(id, node_pos) => hover(id, node_pos) |
458 |
case Protocol.GotoDefinition(id, node_pos) => goto_definition(id, node_pos) |
|
64767 | 459 |
case Protocol.DocumentHighlights(id, node_pos) => document_highlights(id, node_pos) |
65189 | 460 |
case Protocol.Caret_Update(caret) => update_caret(caret) |
66098 | 461 |
case Protocol.State_Init(()) => State_Panel.init(server) |
462 |
case Protocol.State_Exit(id) => State_Panel.exit(id) |
|
463 |
case Protocol.State_Locate(id) => State_Panel.locate(id) |
|
464 |
case Protocol.State_Update(id) => State_Panel.update(id) |
|
66211 | 465 |
case Protocol.State_Auto_Update(id, enabled) => State_Panel.auto_update(id, enabled) |
65983 | 466 |
case Protocol.Preview_Request(file, column) => request_preview(file, column) |
66052
39eb61b1fa51
provide information about Isabelle symbols within VSCode;
wenzelm
parents:
65983
diff
changeset
|
467 |
case Protocol.Symbols_Request(()) => channel.write(Protocol.Symbols()) |
66675 | 468 |
case _ => if (!Protocol.ResponseMessage.is_empty(json)) log("### IGNORED") |
64605 | 469 |
} |
470 |
} |
|
64687 | 471 |
catch { case exn: Throwable => channel.log_error_message(Exn.message(exn)) } |
64605 | 472 |
} |
473 |
||
474 |
@tailrec def loop() |
|
475 |
{ |
|
476 |
channel.read() match { |
|
477 |
case Some(json) => |
|
478 |
json match { |
|
71601 | 479 |
case bulk: List[_] => bulk.foreach(handle) |
64605 | 480 |
case _ => handle(json) |
481 |
} |
|
482 |
loop() |
|
64717 | 483 |
case None => log("### TERMINATE") |
64605 | 484 |
} |
485 |
} |
|
486 |
loop() |
|
487 |
} |
|
66085
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
488 |
|
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
489 |
|
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
490 |
/* abstract editor operations */ |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
491 |
|
66100 | 492 |
object editor extends Server.Editor |
66085
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
493 |
{ |
66101
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
494 |
/* session */ |
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
495 |
|
66085
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
496 |
override def session: Session = server.session |
66676
39db5bb7eb0a
recode Unicode text on the spot, e.g. from copy-paste of output;
wenzelm
parents:
66675
diff
changeset
|
497 |
override def flush(): Unit = resources.flush_input(session, channel) |
66085
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
498 |
override def invoke(): Unit = delay_input.invoke() |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
499 |
|
66101
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
500 |
|
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
501 |
/* current situation */ |
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
502 |
|
66085
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
503 |
override def current_node(context: Unit): Option[Document.Node.Name] = |
66086 | 504 |
resources.get_caret().map(_.model.node_name) |
66085
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
505 |
override def current_node_snapshot(context: Unit): Option[Document.Snapshot] = |
66086 | 506 |
resources.get_caret().map(_.model.snapshot()) |
507 |
||
66085
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
508 |
override def node_snapshot(name: Document.Node.Name): Document.Snapshot = |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
509 |
{ |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
510 |
resources.get_model(name) match { |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
511 |
case Some(model) => model.snapshot() |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
512 |
case None => session.snapshot(name) |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
513 |
} |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
514 |
} |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
515 |
|
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
516 |
def current_command(snapshot: Document.Snapshot): Option[Command] = |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
517 |
{ |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
518 |
resources.get_caret() match { |
66086 | 519 |
case Some(caret) => snapshot.current_command(caret.node_name, caret.offset) |
66085
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
520 |
case None => None |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
521 |
} |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
522 |
} |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
523 |
override def current_command(context: Unit, snapshot: Document.Snapshot): Option[Command] = |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
524 |
current_command(snapshot) |
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
525 |
|
66101
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
526 |
|
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
527 |
/* overlays */ |
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
528 |
|
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
529 |
override def node_overlays(name: Document.Node.Name): Document.Node.Overlays = |
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
530 |
resources.node_overlays(name) |
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
531 |
|
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
532 |
override def insert_overlay(command: Command, fn: String, args: List[String]): Unit = |
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
533 |
resources.insert_overlay(command, fn, args) |
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
534 |
|
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
535 |
override def remove_overlay(command: Command, fn: String, args: List[String]): Unit = |
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
536 |
resources.remove_overlay(command, fn, args) |
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
537 |
|
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
538 |
|
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
539 |
/* hyperlinks */ |
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
540 |
|
66085
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
541 |
override def hyperlink_command( |
66215
9a8b6b86350c
proper hyperlink_command, notably for locate_query;
wenzelm
parents:
66211
diff
changeset
|
542 |
focus: Boolean, snapshot: Document.Snapshot, id: Document_ID.Generic, |
9a8b6b86350c
proper hyperlink_command, notably for locate_query;
wenzelm
parents:
66211
diff
changeset
|
543 |
offset: Symbol.Offset = 0): Option[Hyperlink] = |
9a8b6b86350c
proper hyperlink_command, notably for locate_query;
wenzelm
parents:
66211
diff
changeset
|
544 |
{ |
9a8b6b86350c
proper hyperlink_command, notably for locate_query;
wenzelm
parents:
66211
diff
changeset
|
545 |
if (snapshot.is_outdated) None |
66216 | 546 |
else |
547 |
snapshot.find_command_position(id, offset).map(node_pos => |
|
548 |
new Hyperlink { |
|
549 |
def follow(unit: Unit) { channel.write(Protocol.Caret_Update(node_pos, focus)) } |
|
550 |
}) |
|
66215
9a8b6b86350c
proper hyperlink_command, notably for locate_query;
wenzelm
parents:
66211
diff
changeset
|
551 |
} |
66094 | 552 |
|
66101
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
553 |
|
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
554 |
/* dispatcher thread */ |
0f0f294e314f
maintain overlays within main state of document models;
wenzelm
parents:
66100
diff
changeset
|
555 |
|
66094 | 556 |
override def assert_dispatcher[A](body: => A): A = session.assert_dispatcher(body) |
557 |
override def require_dispatcher[A](body: => A): A = session.require_dispatcher(body) |
|
558 |
override def send_dispatcher(body: => Unit): Unit = session.send_dispatcher(body) |
|
559 |
override def send_wait_dispatcher(body: => Unit): Unit = session.send_wait_dispatcher(body) |
|
66085
100f02099532
added abstract editor operations, notably for Query_Operation;
wenzelm
parents:
66054
diff
changeset
|
560 |
} |
64605 | 561 |
} |