Fix class kind detector: prioritize enum over annotations. Introduce new error about enum annotations classes.

compiler/testData/diagnostics/tests/enum/enumWithAnnotationKeyword.kt

@@ -0,0 +1,3 @@
+data <!WRONG_ANNOTATION_TARGET!>annotation<!> enum class E {
+    D
+}

compiler/testData/diagnostics/tests/enum/enumWithAnnotationKeyword.txt

@@ -0,0 +1,27 @@
+package
+
+kotlin.data() kotlin.annotation.annotation() internal final enum class E : kotlin.Enum<E> {
+    public enum entry D : E {
+        private constructor D()
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: E): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun copy(): E
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+        public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    private constructor E()
+    public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: E): kotlin.Int
+    public final /*synthesized*/ fun copy(): E
+    public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public final override /*1*/ /*fake_override*/ fun name(): kotlin.String
+    public final override /*1*/ /*fake_override*/ fun ordinal(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    // Static members
+    public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): E
+    public final /*synthesized*/ fun values(): kotlin.Array<E>
+}

compiler/testData/psi/EnumWithAnnotationKeyword.kt

@@ -0,0 +1,3 @@
+data annotation enum class E {
+    D
+}

compiler/testData/psi/EnumWithAnnotationKeyword.txt

@@ -0,0 +1,35 @@
+JetFile: EnumWithAnnotationKeyword.kt
+  PACKAGE_DIRECTIVE
+    <empty list>
+  IMPORT_LIST
+    <empty list>
+  CLASS
+    MODIFIER_LIST
+      ANNOTATION_ENTRY
+        CONSTRUCTOR_CALLEE
+          TYPE_REFERENCE
+            USER_TYPE
+              REFERENCE_EXPRESSION
+                PsiElement(IDENTIFIER)('data')
+      PsiWhiteSpace(' ')
+      ANNOTATION_ENTRY
+        CONSTRUCTOR_CALLEE
+          TYPE_REFERENCE
+            USER_TYPE
+              REFERENCE_EXPRESSION
+                PsiElement(IDENTIFIER)('annotation')
+      PsiWhiteSpace(' ')
+      PsiElement(enum)('enum')
+    PsiWhiteSpace(' ')
+    PsiElement(class)('class')
+    PsiWhiteSpace(' ')
+    PsiElement(IDENTIFIER)('E')
+    PsiWhiteSpace(' ')
+    CLASS_BODY
+      PsiElement(LBRACE)('{')
+      PsiWhiteSpace('\n    ')
+      ENUM_ENTRY
+        OBJECT_DECLARATION_NAME
+          PsiElement(IDENTIFIER)('D')
+      PsiWhiteSpace('\n')
+      PsiElement(RBRACE)('}')

compiler/testData/psi/InterfaceWithEnumKeyword.kt

@@ -0,0 +1,7 @@
+enum interface class E1 {
+    D
+}
+
+interface enum class E2 {
+    D
+}

compiler/testData/psi/InterfaceWithEnumKeyword.txt

@@ -0,0 +1,57 @@
+JetFile: InterfaceWithEnumKeyword.kt
+  PACKAGE_DIRECTIVE
+    <empty list>
+  IMPORT_LIST
+    <empty list>
+  CLASS
+    MODIFIER_LIST
+      PsiElement(enum)('enum')
+    PsiWhiteSpace(' ')
+    PsiElement(interface)('interface')
+    PsiErrorElement:Name expected
+      <empty list>
+  PsiWhiteSpace(' ')
+  CLASS
+    PsiElement(class)('class')
+    PsiWhiteSpace(' ')
+    PsiElement(IDENTIFIER)('E1')
+    PsiWhiteSpace(' ')
+    CLASS_BODY
+      PsiElement(LBRACE)('{')
+      PsiWhiteSpace('\n    ')
+      MODIFIER_LIST
+        ANNOTATION_ENTRY
+          CONSTRUCTOR_CALLEE
+            TYPE_REFERENCE
+              USER_TYPE
+                REFERENCE_EXPRESSION
+                  PsiElement(IDENTIFIER)('D')
+      PsiErrorElement:Expecting member declaration
+        <empty list>
+      PsiWhiteSpace('\n')
+      PsiElement(RBRACE)('}')
+  PsiWhiteSpace('\n\n')
+  CLASS
+    PsiElement(interface)('interface')
+    PsiWhiteSpace(' ')
+    PsiElement(IDENTIFIER)('enum')
+  PsiWhiteSpace(' ')
+  CLASS
+    PsiElement(class)('class')
+    PsiWhiteSpace(' ')
+    PsiElement(IDENTIFIER)('E2')
+    PsiWhiteSpace(' ')
+    CLASS_BODY
+      PsiElement(LBRACE)('{')
+      PsiWhiteSpace('\n    ')
+      MODIFIER_LIST
+        ANNOTATION_ENTRY
+          CONSTRUCTOR_CALLEE
+            TYPE_REFERENCE
+              USER_TYPE
+                REFERENCE_EXPRESSION
+                  PsiElement(IDENTIFIER)('D')
+      PsiErrorElement:Expecting member declaration
+        <empty list>
+      PsiWhiteSpace('\n')
+      PsiElement(RBRACE)('}')