Implemented

packages/common/src/ide/PassthroughIDEBase.ts

@@ -1,4 +1,5 @@
 import type { GeneralizedRange } from "../types/GeneralizedRange";
+import type { NotebookEditor } from "../types/NotebookEditor";
 import type { TextDocument } from "../types/TextDocument";
 import type { EditableTextEditor, TextEditor } from "../types/TextEditor";
 import type { Capabilities } from "./types/Capabilities";
@@ -17,9 +18,9 @@ import type {
   RunMode,
   WorkspaceFolder,
 } from "./types/ide.types";
+import type { KeyValueStore } from "./types/KeyValueStore";
 import type { Messages } from "./types/Messages";
 import type { QuickPickOptions } from "./types/QuickPickOptions";
-import type { KeyValueStore } from "./types/KeyValueStore";
 
 export default class PassthroughIDEBase implements IDE {
   configuration: Configuration;
@@ -123,6 +124,10 @@ export default class PassthroughIDEBase implements IDE {
     return this.original.visibleTextEditors;
   }
 
+  public get visibleNotebookEditors(): NotebookEditor[] {
+    return this.original.visibleNotebookEditors;
+  }
+
   public get cursorlessVersion(): string {
     return this.original.cursorlessVersion;
   }

packages/common/src/ide/fake/FakeIDE.ts

@@ -1,5 +1,5 @@
 import { pull } from "lodash-es";
-import type { EditableTextEditor, TextEditor } from "../..";
+import type { EditableTextEditor, NotebookEditor, TextEditor } from "../..";
 import type { GeneralizedRange } from "../../types/GeneralizedRange";
 import type { TextDocument } from "../../types/TextDocument";
 import type { TextDocumentChangeEvent } from "../types/Events";
@@ -82,6 +82,10 @@ export class FakeIDE implements IDE {
     throw Error("Not implemented");
   }
 
+  get visibleNotebookEditors(): NotebookEditor[] {
+    throw Error("Not implemented");
+  }
+
   public getEditableTextEditor(_editor: TextEditor): EditableTextEditor {
     throw Error("Not implemented");
   }

packages/common/src/ide/types/ide.types.ts

@@ -1,10 +1,11 @@
+import type { URI } from "vscode-uri";
 import type {
   EditableTextEditor,
   InputBoxOptions,
+  NotebookEditor,
   TextDocument,
   TextEditor,
 } from "../..";
-import type { URI } from "vscode-uri";
 import type { GeneralizedRange } from "../../types/GeneralizedRange";
 import type { Capabilities } from "./Capabilities";
 import type { Clipboard } from "./Clipboard";
@@ -16,9 +17,9 @@ import type {
   TextEditorVisibleRangesChangeEvent,
 } from "./events.types";
 import type { FlashDescriptor } from "./FlashDescriptor";
+import type { KeyValueStore } from "./KeyValueStore";
 import type { Messages } from "./Messages";
 import type { QuickPickOptions } from "./QuickPickOptions";
-import type { KeyValueStore } from "./KeyValueStore";
 
 export type RunMode = "production" | "development" | "test";
 export type HighlightId = string;
@@ -79,6 +80,11 @@ export interface IDE {
    */
   readonly visibleTextEditors: TextEditor[];
 
+  /**
+   * The currently visible notebook editors or an empty array.
+   */
+  readonly visibleNotebookEditors: NotebookEditor[];
+
   /**
    * The capabilities of the IDE
    */

packages/common/src/index.ts

@@ -14,19 +14,19 @@ export * from "./ide/types/Clipboard";
 export * from "./ide/types/CommandHistoryStorage";
 export * from "./ide/types/CommandId";
 export * from "./ide/types/Configuration";
-export * from "./ide/types/events.types";
 export * from "./ide/types/Events";
+export * from "./ide/types/events.types";
 export * from "./ide/types/FileSystem.types";
 export * from "./ide/types/FlashDescriptor";
 export * from "./ide/types/Hats";
 export * from "./ide/types/HatStability";
 export * from "./ide/types/hatStyles.types";
 export * from "./ide/types/ide.types";
+export * from "./ide/types/KeyValueStore";
 export * from "./ide/types/Messages";
 export * from "./ide/types/Paths";
 export * from "./ide/types/QuickPickOptions";
 export * from "./ide/types/RawTreeSitterQueryProvider";
-export * from "./ide/types/KeyValueStore";
 export * from "./ide/types/TutorialContentProvider";
 export * from "./ide/util/messages";
 export * from "./scopeSupportFacets/languageScopeSupport";
@@ -66,6 +66,8 @@ export * from "./types/Edit";
 export * from "./types/GeneralizedRange";
 export * from "./types/HatTokenMap";
 export * from "./types/InputBoxOptions";
+export * from "./types/NotebookCell";
+export * from "./types/NotebookEditor";
 export * from "./types/Position";
 export * from "./types/Range";
 export * from "./types/RangeExpansionBehavior";

packages/common/src/types/NotebookCell.ts

@@ -0,0 +1,32 @@
+import type { TextDocument } from "./TextDocument";
+
+export interface NotebookCell {
+  /**
+   * The index of this cell in its containing notebook. The
+   * index is updated when a cell is moved within its notebook. The index is `-1`
+   * when the cell has been removed from its notebook.
+   */
+  readonly index: number;
+
+  /**
+   * The kind of this cell.
+   */
+  readonly kind: NotebookCellKind;
+
+  /**
+   * The {@link TextDocument} of this cell.
+   */
+  readonly document: TextDocument;
+}
+
+export enum NotebookCellKind {
+  /**
+   * A markup-cell is formatted source that is used for display.
+   */
+  Markup = 1,
+
+  /**
+   * A code-cell.
+   */
+  Code = 2,
+}

packages/common/src/types/NotebookEditor.ts

@@ -0,0 +1,22 @@
+import type { URI } from "vscode-uri";
+import type { NotebookCell } from "./NotebookCell";
+
+export interface NotebookEditor {
+  /**
+   * The associated uri for this document.
+   *
+   * *Note* that most documents use the `file`-scheme, which means they are files on disk. However, **not** all documents are
+   * saved on disk and therefore the `scheme` must be checked before trying to access the underlying file or siblings on disk.
+   */
+  readonly uri: URI;
+
+  /**
+   * The number of cells in the notebook.
+   */
+  readonly cellCount: number;
+
+  /**
+   * The cells of this notebook.
+   */
+  readonly cells: NotebookCell[];
+}

packages/cursorless-engine/src/processTargets/ModifierStageFactoryImpl.ts

@@ -36,7 +36,6 @@ import type {
   SimpleEveryScopeModifier,
 } from "./modifiers/scopeTypeStages/LegacyContainingSyntaxScopeStage";
 import { LegacyContainingSyntaxScopeStage } from "./modifiers/scopeTypeStages/LegacyContainingSyntaxScopeStage";
-import { NotebookCellStage } from "./modifiers/scopeTypeStages/NotebookCellStage";
 
 export class ModifierStageFactoryImpl implements ModifierStageFactory {
   constructor(
@@ -129,8 +128,6 @@ export class ModifierStageFactoryImpl implements ModifierStageFactory {
     modifier: ContainingScopeModifier | EveryScopeModifier,
   ): ModifierStage {
     switch (modifier.scopeType.type) {
-      case "notebookCell":
-        return new NotebookCellStage(modifier);
       case "collectionItem":
         return new ItemStage(this.languageDefinitions, this, modifier);
       default:

packages/cursorless-engine/src/processTargets/createContinuousRangeTarget.ts

@@ -33,6 +33,10 @@ export function createContinuousRangeTarget(
   includeStart: boolean,
   includeEnd: boolean,
 ): Target {
+  if (startTarget.editor !== endTarget.editor) {
+    throw Error("Continuous targets must be in the same editor");
+  }
+
   if (includeStart && includeEnd && isSameType(startTarget, endTarget)) {
     const richTarget = startTarget.maybeCreateRichRangeTarget(
       isReversed,

packages/cursorless-engine/src/processTargets/modifiers/scopeHandlers/NotebookCellScopeHandler.ts

@@ -0,0 +1,123 @@
+import {
+  Range,
+  type Direction,
+  type NotebookCell,
+  type Position,
+  type ScopeType,
+  type TextEditor,
+} from "@cursorless/common";
+import type { LanguageDefinitions } from "../../../languages/LanguageDefinitions";
+import { ide } from "../../../singletons/ide.singleton";
+import { NotebookCellTarget } from "../../targets";
+import type { TargetScope } from "./scope.types";
+import type {
+  ScopeHandler,
+  ScopeIteratorRequirements,
+} from "./scopeHandler.types";
+
+export class NotebookCellScopeHandler implements ScopeHandler {
+  public readonly scopeType = { type: "notebookCell" } as const;
+  public readonly iterationScopeType = { type: "document" } as const;
+  public readonly includeAdjacentInEvery = false;
+
+  constructor(
+    private languageDefinitions: LanguageDefinitions,
+    _scopeType: ScopeType,
+    private languageId: string,
+  ) {}
+
+  *generateScopes(
+    editor: TextEditor,
+    position: Position,
+    direction: Direction,
+    hints: ScopeIteratorRequirements,
+  ): Iterable<TargetScope> {
+    const scopeHandler = this.languageDefinitions
+      .get(this.languageId)
+      ?.getScopeHandler(this.scopeType);
+
+    if (scopeHandler != null) {
+      yield* scopeHandler.generateScopeCandidates(
+        editor,
+        position,
+        direction,
+        hints,
+      );
+    }
+
+    const nb = getNotebook(editor);
+
+    if (nb == null) {
+      return;
+    }
+
+    const { notebook, cell } = nb;
+
+    if (hints.containment === "required") {
+      yield createTargetScope(cell);
+      return;
+    }
+
+    const cells = (() => {
+      if (
+        hints.containment === "disallowed" ||
+        hints.containment === "disallowedIfStrict"
+      ) {
+        return direction === "forward"
+          ? notebook.cells.slice(cell.index + 1)
+          : notebook.cells.slice(0, cell.index).reverse();
+      }
+      // Every scope
+      if (hints.distalPosition != null) {
+        const searchRange = new Range(position, hints.distalPosition);
+        if (searchRange.isRangeEqual(editor.document.range)) {
+          return notebook.cells;
+        }
+      }
+      return direction === "forward"
+        ? notebook.cells.slice(cell.index)
+        : notebook.cells.slice(0, cell.index + 1).reverse();
+    })();
+
+    for (const cell of cells) {
+      yield createTargetScope(cell);
+    }
+  }
+}
+
+function createTargetScope(cell: NotebookCell): TargetScope {
+  const editor = getEditor(cell);
+  const contentRange = editor.document.range;
+  return {
+    editor,
+    domain: contentRange,
+    getTargets: (isReversed: boolean) => [
+      new NotebookCellTarget({
+        editor,
+        isReversed,
+        contentRange,
+      }),
+    ],
+  };
+}
+
+function getNotebook(editor: TextEditor) {
+  const uri = editor.document.uri.toString();
+  for (const notebook of ide().visibleNotebookEditors) {
+    for (const cell of notebook.cells) {
+      if (cell.document.uri.toString() === uri) {
+        return { notebook, cell };
+      }
+    }
+  }
+  return undefined;
+}
+
+function getEditor(cell: NotebookCell) {
+  for (const editor of ide().visibleTextEditors) {
+    if (editor.document.uri.toString() === cell.document.uri.toString()) {
+      return editor;
+    }
+  }
+  throw new Error("Editor not found notebook cell");
+}

packages/cursorless-engine/src/processTargets/modifiers/scopeHandlers/ScopeHandlerFactoryImpl.ts

@@ -8,6 +8,7 @@ import { CharacterScopeHandler } from "./CharacterScopeHandler";
 import { DocumentScopeHandler } from "./DocumentScopeHandler";
 import { IdentifierScopeHandler } from "./IdentifierScopeHandler";
 import { LineScopeHandler } from "./LineScopeHandler";
+import { NotebookCellScopeHandler } from "./NotebookCellScopeHandler";
 import { OneOfScopeHandler } from "./OneOfScopeHandler";
 import { ParagraphScopeHandler } from "./ParagraphScopeHandler";
 import {
@@ -103,6 +104,12 @@ export class ScopeHandlerFactoryImpl implements ScopeHandlerFactory {
           scopeType,
           languageId,
         );
+      case "notebookCell":
+        return new NotebookCellScopeHandler(
+          this.languageDefinitions,
+          scopeType,
+          languageId,
+        );
       case "custom":
         return scopeType.scopeHandler;
       case "instance":

packages/cursorless-everywhere-talon-core/src/ide/TalonJsIDE.ts

@@ -10,6 +10,7 @@ import type {
   InputBoxOptions,
   Listener,
   Messages,
+  NotebookEditor,
   OpenUntitledTextDocumentOptions,
   QuickPickOptions,
   RunMode,
@@ -80,6 +81,10 @@ export class TalonJsIDE implements IDE {
     return this.editors;
   }
 
+  get visibleNotebookEditors(): NotebookEditor[] {
+    return [];
+  }
+
   getEditableTextEditor(editor: TextEditor): EditableTextEditor {
     if (editor instanceof TalonJsEditor) {
       return editor;