Be more resilient to parse failures. (#1488)
In particular, "pub get --offline" and "pub cache repair" shouldn't
choke when there are parse failures in the version cache.
Closes #1479
diff --git a/lib/src/pubspec.dart b/lib/src/pubspec.dart
index 2186cde..d85ed7f 100644
--- a/lib/src/pubspec.dart
+++ b/lib/src/pubspec.dart
@@ -427,7 +427,13 @@
/// [Version.none].
factory Pubspec.parse(String contents, SourceRegistry sources,
{String expectedName, Uri location}) {
- var pubspecNode = loadYamlNode(contents, sourceUrl: location);
+ YamlNode pubspecNode;
+ try {
+ pubspecNode = loadYamlNode(contents, sourceUrl: location);
+ } on YamlException catch (error) {
+ throw new PubspecException(error.message, error.span);
+ }
+
Map pubspecMap;
if (pubspecNode is YamlScalar && pubspecNode.value == null) {
pubspecMap = new YamlMap(sourceUrl: location);
