analysis_server_plugin: Use new DiagnosticCode name

Work towards #60635

Change-Id: Ia021bc5a80f1e53407393454ab058f6b7c8a633a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/425460
Reviewed-by: Brian Wilkerson <[email protected]>
Commit-Queue: Samuel Rawlins <[email protected]>

Author: srawlins

pkg/analysis_server_plugin/lib/src/correction/fix_generators.dart

@@ -28,22 +28,23 @@ class _RegisteredFixGenerators {
 
   final Map<LintCode, List<MultiProducerGenerator>> lintMultiProducers = {};
 
-  /// A map from error codes to a list of generators used to create multiple
-  /// correction producers used to build fixes for those diagnostics.
+  /// A map from diagnostic codes to a list of generators used to create
+  /// multiple correction producers used to build fixes for those diagnostics.
   ///
   /// The generators used for lint rules are in the [lintMultiProducers].
-  final Map<ErrorCode, List<MultiProducerGenerator>> nonLintMultiProducers = {};
+  final Map<DiagnosticCode, List<MultiProducerGenerator>>
+      nonLintMultiProducers = {};
 
   /// A set of generators that are used to create correction producers that
   /// produce corrections that ignore diagnostics locally.
   final Set<ProducerGenerator> ignoreProducerGenerators = {};
 
-  /// A map from error codes to a list of the generators that are used to create
-  /// correction producers.
+  /// A map from diagnostic codes to a list of the generators that are used to
+  /// create correction producers.
   ///
   /// The generators are then used to build fixes for those diagnostics. The
   /// generators used for lint rules are in the [lintProducers].
-  final Map<ErrorCode, List<ProducerGenerator>> nonLintProducers = {};
+  final Map<DiagnosticCode, List<ProducerGenerator>> nonLintProducers = {};
 
   /// A map from lint codes to a list of fix generators that work with only
   /// parsed results.

pkg/analysis_server_plugin/lib/src/correction/fix_in_file_processor.dart

@@ -124,12 +124,12 @@ final class FixInFileProcessor {
     }
   }
 
-  List<ProducerGenerator> _getGenerators(ErrorCode errorCode) {
-    if (errorCode is LintCode) {
-      return registeredFixGenerators.lintProducers[errorCode] ?? [];
+  List<ProducerGenerator> _getGenerators(DiagnosticCode diagnosticCode) {
+    if (diagnosticCode is LintCode) {
+      return registeredFixGenerators.lintProducers[diagnosticCode] ?? [];
     } else {
       // TODO(pq): consider support for multi-generators.
-      return registeredFixGenerators.nonLintProducers[errorCode] ?? [];
+      return registeredFixGenerators.nonLintProducers[diagnosticCode] ?? [];
     }
   }
 }