Linter analyzer plumbing.

pkg/analyzer/lib/src/generated/error.dart

Index: pkg/analyzer/lib/src/generated/error.dart
===================================================================
--- pkg/analyzer/lib/src/generated/error.dart	(revision 42670)
+++ pkg/analyzer/lib/src/generated/error.dart	(working copy)
@@ -2919,6 +2919,12 @@
   static const ErrorType POLYMER =
       const ErrorType('POLYMER', 8, ErrorSeverity.INFO);
 
+  /**
+   * Lint warnings describe style and best practice recommendations that can be used to formalize a project's style
+   * guidelines.
+   */
+  static const ErrorType LINT = const ErrorType('LINT', 9, ErrorSeverity.INFO);
+
   static const List<ErrorType> values = const [
       TODO,
       HINT,
@@ -2928,7 +2934,8 @@
       STATIC_TYPE_WARNING,
       SYNTACTIC_ERROR,
       ANGULAR,
-      POLYMER];
+      POLYMER,
+      LINT];
 
   /**
    * The severity of this type of error.
@@ -3318,6 +3325,24 @@
 }
 
 /**
+ * Defines style and best practice recommendations.
+ *
+ * Unlike [HintCode]s, which are akin to traditional static warnings from a compiler, lint recommendations focus on
+ * matters of style and practices that might aggregated to define a project's style guide.
+ */
+class LintCode extends ErrorCode {
+
+  const LintCode(String name, String message, [String correction])
+      : super(name, message, correction);
+
+  @override
+  ErrorSeverity get errorSeverity => ErrorSeverity.LINT;
+
+  @override
+  ErrorType get type => ErrorType.LINT;
+}
+
+/**
  * The enumeration `PolymerCode` defines Polymer specific problems.
  */
 class PolymerCode extends ErrorCode {