author | wenzelm |
Sun, 12 Nov 2017 19:47:18 +0100 | |
changeset 67060 | 9ad7bf553ee1 |
parent 67059 | df7d728103f1 |
child 67104 | a2fa0c6a7aff |
permissions | -rw-r--r-- |
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/* Title: Tools/VSCode/src/vscode_resources.scala |
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Author: Makarius |
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Resources for VSCode Language Server: file-system access and global state. |
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*/ |
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package isabelle.vscode |
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import isabelle._ |
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import java.io.{File => JFile} |
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import scala.util.parsing.input.Reader |
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object VSCode_Resources |
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{ |
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/* internal state */ |
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sealed case class State( |
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models: Map[JFile, Document_Model] = Map.empty, |
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caret: Option[(JFile, Line.Position)] = None, |
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overlays: Document.Overlays = Document.Overlays.empty, |
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pending_input: Set[JFile] = Set.empty, |
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pending_output: Set[JFile] = Set.empty) |
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{ |
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def update_models(changed: Traversable[(JFile, Document_Model)]): State = |
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copy( |
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models = models ++ changed, |
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pending_input = (pending_input /: changed) { case (set, (file, _)) => set + file }, |
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pending_output = (pending_output /: changed) { case (set, (file, _)) => set + file }) |
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def update_caret(new_caret: Option[(JFile, Line.Position)]): State = |
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if (caret == new_caret) this |
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else |
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copy( |
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caret = new_caret, |
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pending_input = pending_input ++ caret.map(_._1) ++ new_caret.map(_._1)) |
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def get_caret(file: JFile): Option[Line.Position] = |
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caret match { |
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case Some((caret_file, caret_pos)) if caret_file == file => Some(caret_pos) |
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case _ => None |
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} |
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lazy val document_blobs: Document.Blobs = |
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Document.Blobs( |
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(for { |
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(_, model) <- models.iterator |
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blob <- model.get_blob |
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} yield (model.node_name -> blob)).toMap) |
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def change_overlay(insert: Boolean, file: JFile, |
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command: Command, fn: String, args: List[String]): State = |
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copy( |
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overlays = |
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if (insert) overlays.insert(command, fn, args) |
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else overlays.remove(command, fn, args), |
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pending_input = pending_input + file) |
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} |
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/* caret */ |
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sealed case class Caret(file: JFile, model: Document_Model, offset: Text.Offset) |
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{ |
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def node_name: Document.Node.Name = model.node_name |
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} |
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} |
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class VSCode_Resources( |
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val options: Options, |
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session_base: Sessions.Base, |
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log: Logger = No_Logger) |
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extends Resources(session_base, log = log) |
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{ |
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private val state = Synchronized(VSCode_Resources.State()) |
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/* options */ |
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def pide_extensions: Boolean = options.bool("vscode_pide_extensions") |
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def unicode_symbols: Boolean = options.bool("vscode_unicode_symbols") |
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def tooltip_margin: Int = options.int("vscode_tooltip_margin") |
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def message_margin: Int = options.int("vscode_message_margin") |
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/* document node name */ |
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def node_file(name: Document.Node.Name): JFile = new JFile(name.node) |
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def node_name(file: JFile): Document.Node.Name = |
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session_base.known.get_file(file, bootstrap = true) getOrElse { |
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val node = file.getPath |
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theory_name(Sessions.DRAFT, Thy_Header.theory_name(node)) match { |
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case (true, theory) => Document.Node.Name.loaded_theory(theory) |
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case (false, theory) => |
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val master_dir = if (theory == "") "" else file.getParent |
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Document.Node.Name(node, master_dir, theory) |
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} |
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} |
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override def append(dir: String, source_path: Path): String = |
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{ |
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val path = source_path.expand |
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if (dir == "" || path.is_absolute) File.platform_path(path) |
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else if (path.is_current) dir |
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else if (path.is_basic && !dir.endsWith("/") && !dir.endsWith(JFile.separator)) |
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dir + JFile.separator + File.platform_path(path) |
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else if (path.is_basic) dir + File.platform_path(path) |
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else File.absolute_name(new JFile(dir + JFile.separator + File.platform_path(path))) |
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} |
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def get_models: Map[JFile, Document_Model] = state.value.models |
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def get_model(file: JFile): Option[Document_Model] = get_models.get(file) |
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def get_model(name: Document.Node.Name): Option[Document_Model] = get_model(node_file(name)) |
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/* file content */ |
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def read_file_content(file: JFile): Option[String] = |
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try { Some(Line.normalize(File.read(file))) } |
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catch { case ERROR(_) => None } |
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def get_file_content(file: JFile): Option[String] = |
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get_model(file) match { |
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case Some(model) => Some(model.content.text) |
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case None => read_file_content(file) |
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} |
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override def with_thy_reader[A](name: Document.Node.Name, f: Reader[Char] => A): A = |
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{ |
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val file = node_file(name) |
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get_model(file) match { |
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case Some(model) => f(Scan.char_reader(model.content.text)) |
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case None if file.isFile => |
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val reader = Scan.byte_reader(file) |
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try { f(reader) } finally { reader.close } |
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case None => |
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error("No such file: " + quote(file.toString)) |
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} |
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} |
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/* document models */ |
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def visible_node(name: Document.Node.Name): Boolean = |
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get_model(name) match { |
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case Some(model) => model.node_visible |
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case None => false |
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} |
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def change_model( |
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session: Session, |
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editor: Server.Editor, |
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file: JFile, |
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version: Long, |
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text: String, |
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range: Option[Line.Range] = None) |
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{ |
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state.change(st => |
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{ |
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val model = st.models.getOrElse(file, Document_Model.init(session, editor, node_name(file))) |
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val model1 = |
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(model.change_text(text, range) getOrElse model).set_version(version).external(false) |
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st.update_models(Some(file -> model1)) |
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}) |
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} |
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def close_model(file: JFile): Boolean = |
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state.change_result(st => |
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st.models.get(file) match { |
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case None => (false, st) |
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case Some(model) => (true, st.update_models(Some(file -> model.external(true)))) |
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}) |
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def sync_models(changed_files: Set[JFile]): Unit = |
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state.change(st => |
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{ |
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val changed_models = |
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(for { |
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(file, model) <- st.models.iterator |
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if changed_files(file) && model.external_file |
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text <- read_file_content(file) |
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model1 <- model.change_text(text) |
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} yield (file, model1)).toList |
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st.update_models(changed_models) |
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}) |
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/* overlays */ |
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def node_overlays(name: Document.Node.Name): Document.Node.Overlays = |
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state.value.overlays(name) |
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def insert_overlay(command: Command, fn: String, args: List[String]): Unit = |
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state.change(_.change_overlay(true, node_file(command.node_name), command, fn, args)) |
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def remove_overlay(command: Command, fn: String, args: List[String]): Unit = |
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state.change(_.change_overlay(false, node_file(command.node_name), command, fn, args)) |
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/* resolve dependencies */ |
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def resolve_dependencies( |
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session: Session, |
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editor: Server.Editor, |
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file_watcher: File_Watcher): (Boolean, Boolean) = |
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{ |
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state.change_result(st => |
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{ |
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/* theory files */ |
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val thys = |
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(for ((_, model) <- st.models.iterator if model.is_theory) |
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yield (model.node_name, Position.none)).toList |
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val thy_files = dependencies(thys).theories |
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/* auxiliary files */ |
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val stable_tip_version = |
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if (st.models.forall(entry => entry._2.is_stable)) |
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session.current_state().stable_tip_version |
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else None |
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val aux_files = |
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stable_tip_version match { |
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case Some(version) => undefined_blobs(version.nodes) |
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case None => Nil |
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} |
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/* loaded models */ |
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val loaded_models = |
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(for { |
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node_name <- thy_files.iterator ++ aux_files.iterator |
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file = node_file(node_name) |
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if !st.models.isDefinedAt(file) |
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text <- { file_watcher.register_parent(file); read_file_content(file) } |
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} |
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yield { |
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val model = Document_Model.init(session, editor, node_name) |
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val model1 = (model.change_text(text) getOrElse model).external(true) |
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(file, model1) |
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}).toList |
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250 |
|
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val invoke_input = loaded_models.nonEmpty |
252 |
val invoke_load = stable_tip_version.isEmpty |
|
253 |
||
65113 | 254 |
((invoke_input, invoke_load), st.update_models(loaded_models)) |
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}) |
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} |
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257 |
|
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258 |
|
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/* pending input */ |
260 |
||
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def flush_input(session: Session, channel: Channel) |
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{ |
263 |
state.change(st => |
|
264 |
{ |
|
64719 | 265 |
val changed_models = |
64703 | 266 |
(for { |
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file <- st.pending_input.iterator |
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model <- st.models.get(file) |
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(edits, model1) <- |
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model.flush_edits(unicode_symbols, st.document_blobs, file, st.get_caret(file)) |
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} yield (edits, (file, model1))).toList |
64707 | 272 |
|
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for { ((workspace_edits, _), _) <- changed_models if workspace_edits.nonEmpty } |
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channel.write(Protocol.WorkspaceEdit(workspace_edits)) |
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275 |
|
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session.update(st.document_blobs, changed_models.flatMap(res => res._1._2)) |
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277 |
|
64703 | 278 |
st.copy( |
65112 | 279 |
models = st.models ++ changed_models.iterator.map(_._2), |
64703 | 280 |
pending_input = Set.empty) |
281 |
}) |
|
282 |
} |
|
283 |
||
284 |
||
285 |
/* pending output */ |
|
286 |
||
65118 | 287 |
def update_output(changed_nodes: Traversable[JFile]): Unit = |
64703 | 288 |
state.change(st => st.copy(pending_output = st.pending_output ++ changed_nodes)) |
289 |
||
66138 | 290 |
def update_output_visible(): Unit = |
291 |
state.change(st => st.copy(pending_output = st.pending_output ++ |
|
292 |
(for ((file, model) <- st.models.iterator if model.node_visible) yield file))) |
|
293 |
||
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294 |
def flush_output(channel: Channel): Boolean = |
64703 | 295 |
{ |
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state.change_result(st => |
64703 | 297 |
{ |
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val (postponed, flushed) = |
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299 |
(for { |
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file <- st.pending_output.iterator |
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model <- st.models.get(file) |
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} yield (file, model, model.rendering())).toList.partition(_._3.snapshot.is_outdated) |
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303 |
|
64703 | 304 |
val changed_iterator = |
305 |
for { |
|
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306 |
(file, model, rendering) <- flushed.iterator |
65115 | 307 |
(changed_diags, changed_decos, model1) = model.publish(rendering) |
308 |
if changed_diags.isDefined || changed_decos.isDefined |
|
65095 | 309 |
} |
310 |
yield { |
|
65115 | 311 |
for (diags <- changed_diags) |
312 |
channel.write(Protocol.PublishDiagnostics(file, rendering.diagnostics_output(diags))) |
|
65137 | 313 |
if (pide_extensions) { |
314 |
for (decos <- changed_decos; deco <- decos) |
|
315 |
channel.write(rendering.decoration_output(deco).json(file)) |
|
316 |
} |
|
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(file, model1) |
64703 | 318 |
} |
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|
319 |
|
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320 |
(postponed.nonEmpty, |
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|
321 |
st.copy( |
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322 |
models = st.models ++ changed_iterator, |
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|
323 |
pending_output = postponed.map(_._1).toSet)) |
64703 | 324 |
} |
325 |
) |
|
326 |
} |
|
64870 | 327 |
|
328 |
||
329 |
/* output text */ |
|
330 |
||
331 |
def output_text(s: String): String = |
|
65137 | 332 |
if (unicode_symbols) Symbol.decode(s) else Symbol.encode(s) |
64870 | 333 |
|
65107 | 334 |
def output_xml(xml: XML.Tree): String = |
335 |
output_text(XML.content(xml)) |
|
336 |
||
64870 | 337 |
def output_pretty(body: XML.Body, margin: Int): String = |
338 |
output_text(Pretty.string_of(body, margin)) |
|
65107 | 339 |
def output_pretty_tooltip(body: XML.Body): String = output_pretty(body, tooltip_margin) |
340 |
def output_pretty_message(body: XML.Body): String = output_pretty(body, message_margin) |
|
65142 | 341 |
|
342 |
||
65189 | 343 |
/* caret handling */ |
344 |
||
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|
345 |
def update_caret(caret: Option[(JFile, Line.Position)]) |
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|
346 |
{ state.change(_.update_caret(caret)) } |
65189 | 347 |
|
66086 | 348 |
def get_caret(): Option[VSCode_Resources.Caret] = |
65189 | 349 |
{ |
350 |
val st = state.value |
|
351 |
for { |
|
352 |
(file, pos) <- st.caret |
|
353 |
model <- st.models.get(file) |
|
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|
354 |
offset <- model.content.doc.offset(pos) |
65189 | 355 |
} |
66086 | 356 |
yield VSCode_Resources.Caret(file, model, offset) |
65189 | 357 |
} |
358 |
||
359 |
||
65142 | 360 |
/* spell checker */ |
361 |
||
362 |
val spell_checker = new Spell_Checker_Variable |
|
363 |
spell_checker.update(options) |
|
64605 | 364 |
} |