Add put/getSourceErrorsInLibrary to IncrementalCache.

pkg/analyzer/lib/src/summary/idl.dart

Index: pkg/analyzer/lib/src/summary/idl.dart
diff --git a/pkg/analyzer/lib/src/summary/idl.dart b/pkg/analyzer/lib/src/summary/idl.dart
index 9a9f1374230fd307474c7006f75f5e3d86bb6d89..267f777dc590adf458c0e700f68b161231d3be86 100644
--- a/pkg/analyzer/lib/src/summary/idl.dart
+++ b/pkg/analyzer/lib/src/summary/idl.dart
@@ -58,6 +58,50 @@ import 'format.dart' as generated;
 const informative = null;
 
 /**
+ * Information about an analysis error in a source.
+ */
+abstract class CacheAnalysisError extends base.SummaryClass {

[Paul Berry, 2016/06/06 20:03:31]

I'm having trouble understanding the name of this class.  If what you mean is
"analysis error that has been stored in the cache", consider renaming to
"CachedAnalysisError".

+  /**
+   * The correction to be displayed for this error, or `null` if there is no
+   * correction information for this error. The correction should indicate how
+   * the user can fix the error.
+   */
+  @Id(5)
+  String get correction;
+
+  /**
+   * The name of the `ErrorCode` subclass.
+   */
+  @Id(0)
+  String get errorCodeClass;
+
+  /**
+   * The name of the error code field in the [errorCodeClass].
+   */
+  @Id(1)
+  String get errorCodeField;
+
+  /**
+   * Length of the error range.
+   */
+  @Id(3)
+  int get length;
+
+  /**
+   * The message to be displayed for this error. The message should indicate
+   * what is wrong and why it is wrong.
+   */
+  @Id(4)
+  String get message;
+
+  /**
+   * Offset of the error range relative to the beginning of the file.
+   */
+  @Id(2)
+  int get offset;
+}
+
+/**
  * Information about a source that depends only on its content.
  */
 @TopLevel('CaSS')
@@ -94,6 +138,21 @@ abstract class CacheSourceContent extends base.SummaryClass {
 }
 
 /**
+ * Errors of a source in a library, which depends on the import/export closure
+ * of the containing library and the source.
+ */
+@TopLevel('CSEL')
+abstract class CacheSourceErrorsInLibrary extends base.SummaryClass {
+  factory CacheSourceErrorsInLibrary.fromBuffer(List<int> buffer) =>
+      generated.readCacheSourceErrorsInLibrary(buffer);
+  /**
+   * The list of errors in the source in the library.
+   */
+  @Id(0)
+  List<CacheAnalysisError> get errors;
+}
+
+/**
  * Kind of a source in the cache.
  */
 enum CacheSourceKind { library, part }