public void _layout(ConstraintType constraints) { owner.buildScope(this, () => { Widget built = null; if (widget.builder != null) { try { built = widget.builder(this, constraints); WidgetsD.debugWidgetBuilderValue(widget, built); } catch (Exception e) { _debugDoingBuild = false; IEnumerable <DiagnosticsNode> informationCollector() { yield return(new DiagnosticsDebugCreator(new DebugCreator(this))); } built = ErrorWidget.builder(WidgetsD._debugReportException("building " + this, e, informationCollector)); } } try { _child = updateChild(_child, built, null); D.assert(_child != null); } catch (Exception e) { _debugDoingBuild = false; IEnumerable <DiagnosticsNode> informationCollector() { yield return(new DiagnosticsDebugCreator(new DebugCreator(this))); } built = ErrorWidget.builder(WidgetsD._debugReportException("building " + this, e, informationCollector)); } }); }
void _layout(BoxConstraints constraints) { this.owner.buildScope(this, () => { Widget built = null; if (this.widget.builder != null) { built = this.widget.builder(this, constraints); WidgetsD.debugWidgetBuilderValue(this.widget, built); } this._child = this.updateChild(this._child, built, null); D.assert(this._child != null); }); }