Improve error detection in search code
Change-Id: If935e9e8fda4f8b92e18a7fe579e838a1451e71f
Reviewed-on: https://dart-review.googlesource.com/68441
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
diff --git a/pkg/analyzer/lib/src/dart/analysis/search.dart b/pkg/analyzer/lib/src/dart/analysis/search.dart
index f03340e..61ace7d 100644
--- a/pkg/analyzer/lib/src/dart/analysis/search.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/search.dart
@@ -21,7 +21,10 @@
Element _getEnclosingElement(CompilationUnitElement unitElement, int offset) {
var finder = new _ContainingElementFinder(offset);
unitElement.accept(finder);
- return finder.containingElement;
+ Element element = finder.containingElement;
+ assert(element != null,
+ 'No containing element in ${unitElement.source.fullName} at $offset');
+ return element;
}
/**
@@ -824,7 +827,8 @@
final bool isQualified;
SearchResult._(this.enclosingElement, this.kind, this.offset, this.length,
- this.isResolved, this.isQualified);
+ this.isResolved, this.isQualified)
+ : assert(enclosingElement != null);
@override
String toString() {
