author | wenzelm |
Sat, 07 Jan 2017 17:30:06 +0100 | |
changeset 64821 | 37bf7acf6a4b |
parent 64816 | e306cab8edf9 |
child 64823 | 78df3d65a1cc |
permissions | -rw-r--r-- |
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/* Title: Tools/VSCode/src/document_model.scala |
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Author: Makarius |
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Document model for line-oriented text. |
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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.CharSequenceReader |
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object Document_Model |
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{ |
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def init(session: Session, node_name: Document.Node.Name): Document_Model = |
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{ |
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val resources = session.resources.asInstanceOf[VSCode_Resources] |
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val doc = Line.Document("", resources.text_length) |
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Document_Model(session, node_name, doc) |
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} |
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} |
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sealed case class Document_Model( |
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session: Session, |
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node_name: Document.Node.Name, |
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doc: Line.Document, |
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external_file: Boolean = false, |
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node_required: Boolean = false, |
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last_perspective: Document.Node.Perspective_Text = Document.Node.no_perspective_text, |
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pending_edits: List[Text.Edit] = Nil, |
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published_diagnostics: List[Text.Info[Command.Results]] = Nil) extends Document.Model |
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{ |
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/* external file */ |
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def external(b: Boolean): Document_Model = copy(external_file = b) |
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parents:
64726
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def node_visible: Boolean = !external_file |
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/* header */ |
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def node_header: Document.Node.Header = |
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more uniform treatment of file name vs. theory name and special header;
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parents:
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resources.special_header(node_name) getOrElse |
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more uniform treatment of file name vs. theory name and special header;
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parents:
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changeset
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{ |
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wenzelm
parents:
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changeset
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if (is_theory) |
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resources.check_thy_reader( |
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more uniform treatment of file name vs. theory name and special header;
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parents:
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changeset
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"", node_name, new CharSequenceReader(Thy_Header.header_text(doc)), Token.Pos.command) |
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more uniform treatment of file name vs. theory name and special header;
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parents:
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else Document.Node.no_header |
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more uniform treatment of file name vs. theory name and special header;
wenzelm
parents:
64672
diff
changeset
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} |
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/* perspective */ |
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def node_perspective(doc_blobs: Document.Blobs): (Boolean, Document.Node.Perspective_Text) = |
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{ |
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if (is_theory) { |
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val snapshot = this.snapshot() |
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val text_perspective = |
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if (node_visible || snapshot.commands_loading_ranges(resources.visible_node(_)).nonEmpty) |
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Text.Perspective.full |
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else Text.Perspective.empty |
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(snapshot.node.load_commands_changed(doc_blobs), |
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Document.Node.Perspective(node_required, text_perspective, Document.Node.Overlays.empty)) |
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} |
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else (false, Document.Node.no_perspective_text) |
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} |
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/* blob */ |
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def get_blob: Option[Document.Blob] = |
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if (is_theory) None |
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else Some((Document.Blob(doc.bytes, doc.chunk, pending_edits.nonEmpty))) |
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/* edits */ |
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def update_text(text: String): Option[Document_Model] = |
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{ |
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val old_text = doc.text |
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val new_text = Line.normalize(text) |
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Text.Edit.replace(0, old_text, new_text) match { |
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case Nil => None |
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case edits => |
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val doc1 = Line.Document(new_text, doc.text_length) |
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val pending_edits1 = pending_edits ::: edits |
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Some(copy(doc = doc1, pending_edits = pending_edits1)) |
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} |
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} |
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def flush_edits(doc_blobs: Document.Blobs): Option[(List[Document.Edit_Text], Document_Model)] = |
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{ |
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val (reparse, perspective) = node_perspective(doc_blobs) |
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if (reparse || pending_edits.nonEmpty || last_perspective != perspective) { |
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val edits: List[Document.Edit_Text] = |
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get_blob match { |
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case None => |
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List(session.header_edit(node_name, node_header), |
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node_name -> Document.Node.Edits(pending_edits), |
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node_name -> perspective) |
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case Some(blob) => |
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List(node_name -> Document.Node.Blob(blob), |
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node_name -> Document.Node.Edits(pending_edits)) |
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} |
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Some((edits, copy(pending_edits = Nil, last_perspective = perspective))) |
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} |
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else None |
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} |
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parents:
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/* diagnostics */ |
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parents:
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def publish_diagnostics(rendering: VSCode_Rendering) |
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: Option[(List[Text.Info[Command.Results]], Document_Model)] = |
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parents:
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{ |
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val diagnostics = rendering.diagnostics |
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if (diagnostics == published_diagnostics) None |
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parents:
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else Some(diagnostics, copy(published_diagnostics = diagnostics)) |
b2bf280b7e13
more uniform treatment of input/output wrt. client;
wenzelm
parents:
64673
diff
changeset
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} |
b2bf280b7e13
more uniform treatment of input/output wrt. client;
wenzelm
parents:
64673
diff
changeset
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b2bf280b7e13
more uniform treatment of input/output wrt. client;
wenzelm
parents:
64673
diff
changeset
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/* prover session */ |
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def resources: VSCode_Resources = session.resources.asInstanceOf[VSCode_Resources] |
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def is_stable: Boolean = pending_edits.isEmpty |
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def snapshot(): Document.Snapshot = session.snapshot(node_name, pending_edits) |
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def rendering(): VSCode_Rendering = new VSCode_Rendering(this, snapshot(), resources) |
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} |