quick fix for WRONG_SEPARATOR_FOR_POSITIONAL_PARAMETER

(`error_fix_status.yaml` to be updated when pending quick fixes are landed.)

See: #55917

Change-Id: I042f6dc2171a37d008c6c2c4d1f843e0bcffc46c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/371662
Commit-Queue: Phil Quitslund <[email protected]>
Reviewed-by: Brian Wilkerson <[email protected]>

Author: pq

pkg/analysis_server/lib/src/services/correction/error_fix_status.yaml

@@ -45,8 +45,8 @@
 #
 # Stats:
 # -  42 "needsEvaluation"
-# - 322 "needsFix"
-# - 425 "hasFix"
+# - 321 "needsFix"
+# - 426 "hasFix"
 # - 517 "noFix"
 
 AnalysisOptionsErrorCode.INCLUDED_FILE_PARSE_ERROR:
@@ -3276,9 +3276,7 @@ ParserErrorCode.WITH_BEFORE_EXTENDS:
   notes: |-
     Move the extends clause.
 ParserErrorCode.WRONG_SEPARATOR_FOR_POSITIONAL_PARAMETER:
-  status: needsFix
-  notes: |-
-    Replace the `:` with an '='.
+  status: hasFix
 ParserErrorCode.WRONG_TERMINATOR_FOR_PARAMETER_GROUP:
   status: needsFix
   notes: |-

pkg/analysis_server/lib/src/services/correction/fix_internal.dart

@@ -1521,6 +1521,9 @@ final _builtInNonLintProducers = <ErrorCode, List<ProducerGenerator>>{
   ParserErrorCode.VAR_RETURN_TYPE: [
     RemoveVar.new,
   ],
+  ParserErrorCode.WRONG_SEPARATOR_FOR_POSITIONAL_PARAMETER: [
+    ReplaceColonWithEquals.new,
+  ],
   StaticWarningCode.DEAD_NULL_AWARE_EXPRESSION: [
     RemoveDeadIfNull.new,
   ],

pkg/analysis_server/test/src/services/correction/fix/replace_colon_with_equals_test.dart

@@ -50,6 +50,15 @@ class A {
 class B extends A {
   B({super.a = ''});
 }
+''');
+  }
+
+  Future<void> test_wrongSeparatorForPositionalParameter() async {
+    await resolveTestCode('''
+void f(int a, [int b : 0]) {}
+''');
+    await assertHasFix('''
+void f(int a, [int b = 0]) {}
 ''');
   }
 }