Method executeMovement

src/mode/modeHandler.ts:989–1080

(movement: BaseMovement)

  }

  private async executeMovement(movement: BaseMovement): Promise<RecordedState> {
    this.lastMovementFailed = false;
    const recordedState = this.vimState.recordedState;
    const cursorsToRemove: number[] = [];

    for (let i = 0; i < this.vimState.cursors.length; i++) {
      /**
       * Essentially what we're doing here is pretending like the
       * current VimState only has one cursor (the cursor that we just
       * iterated to).
       *
       * We set the cursor position to be equal to the iterated one,
       * and then set it back immediately after we're done.
       *
       * The slightly more complicated logic here allows us to write
       * Action definitions without having to think about multiple
       * cursors in almost all cases.
       */
      const oldCursorPositionStart = this.vimState.cursorStartPosition;
      const oldCursorPositionStop = this.vimState.cursorStopPosition;
      movement.multicursorIndex = i;

      this.vimState.cursorStartPosition = this.vimState.cursors[i].start;
      const cursorPosition = this.vimState.cursors[i].stop;
      this.vimState.cursorStopPosition = cursorPosition;

      const result = await movement.execActionWithCount(
        cursorPosition,
        this.vimState,
        recordedState.count,
      );

      // We also need to update the specific cursor, in case the cursor position was modified inside
      // the handling functions (e.g. 'it')
      this.vimState.cursors[i] = new Cursor(
        this.vimState.cursorStartPosition,
        this.vimState.cursorStopPosition,
      );

      this.vimState.cursorStartPosition = oldCursorPositionStart;
      this.vimState.cursorStopPosition = oldCursorPositionStop;

      if (result instanceof Position) {
        this.vimState.cursors[i] = this.vimState.cursors[i].withNewStop(result);

        if (!isVisualMode(this.currentMode) && !this.vimState.recordedState.operator) {
          this.vimState.cursors[i] = this.vimState.cursors[i].withNewStart(result);
        }
      } else {
        if (result.failed) {
          this.vimState.recordedState = new RecordedState();
          this.lastMovementFailed = true;
        }

        if (result.removed) {
          cursorsToRemove.push(i);
        } else {
          this.vimState.cursors[i] = new Cursor(result.start, result.stop);