Put fully resolved analysis results (just errors now) into the byte cache.

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

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * This file is an "idl" style description of the summary format.  It
  * contains abstract classes which declare the interface for reading data from
  * summaries.  It is parsed and transformed into code that implements the
  * summary format.
  *
@@ skipping 40 matching lines @@
  * Annotation describing information which is not part of Dart semantics; in
  * other words, if this information (or any information it refers to) changes,
  * static analysis and runtime behavior of the library are unaffected.
  *
  * Information that has purely local effect (in other words, it does not affect
  * the API of the code being analyzed) is also marked as `informative`.
  */
 const informative = null;
 
 /**
+ * Information about a resolved unit.
+ */
+@TopLevel('ADRU')
+abstract class AnalysisDriverResolvedUnit extends base.SummaryClass {

[Brian Wilkerson, 2016/10/26 18:32:11]

Seems like these classes ought to be in a different library.

[scheglov, 2016/10/26 18:48:41]

Possibly.
For now we reuse the flat buffers generating infrastructure for all
serialization - summaries, index, and now analysis. 

+  factory AnalysisDriverResolvedUnit.fromBuffer(List<int> buffer) =>
+      generated.readAnalysisDriverResolvedUnit(buffer);
+
+  /**
+   * The full list of analysis errors, both syntactic and semantic.
+   */
+  @Id(0)
+  List<AnalysisDriverUnitError> get errors;
+}
+
+/**
+ * Information about an error in a resolved unit.
+ */
+abstract class AnalysisDriverUnitError extends base.SummaryClass {
+  /**
+   * The optional correction hint for the error.
+   */
+  @Id(4)
+  String get correction;
+
+  /**
+   * The length of the error in the file.
+   */
+  @Id(1)
+  int get length;
+
+  /**
+   * The message of the error.
+   */
+  @Id(3)
+  String get message;
+
+  /**
+   * The offset from the beginning of the file.
+   */
+  @Id(0)
+  int get offset;
+
+  /**
+   * The unique name of the error code.
+   */
+  @Id(2)
+  String get uniqueName;
+}
+
+/**
  * Information about an element code range.
  */
 abstract class CodeRange extends base.SummaryClass {
   /**
    * Length of the element code.
    */
   @Id(1)
   int get length;
 
   /**
@@ skipping 2753 matching lines @@
   @Id(11)
   int get visibleLength;
 
   /**
    * If a local variable, the beginning of the visible range; zero otherwise.
    */
   @informative
   @Id(12)
   int get visibleOffset;
 }