Method _scopeVariable

src/adapter/stackTrace.ts:632–666

Gets the variable container for a scope. Returns undefined if the thread is not longer paused.

(scopeNumber: number, scope: IScope)

  /** Gets the variable container for a scope. Returns undefined if the thread is not longer paused. */
  private _scopeVariable(scopeNumber: number, scope: IScope): IVariableContainer | undefined {
    const existing = scope.variables[scopeNumber];
    if (existing) {
      return existing;
    }

    const scopeRef: IScopeRef = {
      stackFrame: this,
      callFrameId: scope.callFrameId,
      scopeNumber,
    };

    const extraProperties: IExtraProperty[] = [];
    if (scopeNumber === 0) {
      if (scope.thisObject) extraProperties.push({ name: 'this', value: scope.thisObject });
      if (scope.returnValue) {
        extraProperties.push({
          name: l10n.t('Return value'),
          value: scope.returnValue,
        });
      }
    }

    const paused = this._thread.pausedVariables();
    if (!paused) {
      return undefined;
    }

    const variable = paused.createScope(
      scope.chain[scopeNumber].object,
      scopeRef,
      extraProperties,
    );
    return (scope.variables[scopeNumber] = variable);
  }

  public readonly completions = once(async (): Promise<Dap.CompletionItem[]> => {
    if (!this._scope) return [];