Fix bugs

pmd-java/etc/grammar/Java.jjt

@@ -2213,7 +2213,7 @@ void BlockStatement() #void:
     | LOOKAHEAD({ isAssertStart() })                 AssertStatement()
     | LOOKAHEAD({ isYieldStart() })                  YieldStatement()
     | LOOKAHEAD({ getToken(2).kind == COLON })       LabeledStatement()
-    | LOOKAHEAD(ClassOrInterfaceType() <IDENTIFIER>) LocalVariableDeclaration() ";"  { fixLastToken(); }
+    | LOOKAHEAD(ReferenceType() <IDENTIFIER>)        LocalVariableDeclaration() ";"  { fixLastToken(); }
     | LOOKAHEAD({true})                              ExpressionStatement()
  )
 | LOOKAHEAD(1, LocalTypeStartNoIdent()) ModifierList() LocalTypeDecl()

pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/ASTAnyTypeDeclaration.java

@@ -224,6 +224,16 @@ public interface ASTAnyTypeDeclaration
         return false;
     }
 
+    /**
+     * Returns true if this is a regular class declaration (not an enum,
+     * not a record, not an interface or annotation). Note that eg
+     * {@link JClassSymbol#isClass()} counts records and enums in, just
+     * like {@link #isInterface()} counts annotations in.
+     */
+    default boolean isRegularClass() {
+        return false;
+    }
+
 
     /** Returns true if this is an {@linkplain ASTAnnotationTypeDeclaration annotation type declaration}. */
     default boolean isAnnotation() {

pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/ASTClassOrInterfaceDeclaration.java

@@ -49,6 +49,11 @@ public final class ASTClassOrInterfaceDeclaration extends AbstractAnyTypeDeclara
         return this.isInterface;
     }
 
+    @Override
+    public boolean isRegularClass() {
+        return !isInterface;
+    }
+
     void setInterface() {
         this.isInterface = true;
     }

pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/ASTLocalClassStatement.java

@@ -26,6 +26,8 @@ public final class ASTLocalClassStatement extends AbstractStatement {
         super(JavaParserImplTreeConstants.JJTLOCALCLASSSTATEMENT);
         assert tdecl != null;
         addChild((AbstractJavaNode) tdecl, 0);
+        setFirstToken(tdecl.getFirstToken());
+        setLastToken(tdecl.getLastToken());
     }
 
     @Override

pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/ASTLocalVariableDeclaration.java

@@ -24,6 +24,7 @@ public final class ASTLocalVariableDeclaration extends AbstractJavaNode
     implements Iterable<ASTVariableDeclaratorId>,
                ASTStatement,
                FinalizableNode,
+               LeftRecursiveNode, // ModifierList is parsed separately in BlockStatement
                InternalInterfaces.MultiVariableIdOwner {
 
     ASTLocalVariableDeclaration(int id) {

pmd-java/src/main/java/net/sourceforge/pmd/lang/java/ast/internal/LanguageLevelChecker.java

@@ -124,6 +124,7 @@ public class LanguageLevelChecker<T> {
         RECORD_DECLARATIONS(14, 15, false),
         TYPE_TEST_PATTERNS_IN_INSTANCEOF(14, 15, false),
         SEALED_CLASSES(15, 15, false),
+        STATIC_LOCAL_TYPE_DECLARATIONS(15, 15, false), // part of the sealed classes JEP
 
         ;  // SUPPRESS CHECKSTYLE enum trailing semi is awesome
 
@@ -478,8 +479,8 @@ public class LanguageLevelChecker<T> {
         public Void visit(ASTAnyTypeDeclaration node, T data) {
             if (node.getModifiers().hasAnyExplicitly(JModifier.SEALED, JModifier.NON_SEALED)) {
                 check(node, PreviewFeature.SEALED_CLASSES, data);
-            } else if (node.isLocal() && node.isInterface() || node.isEnum()) {
-                check(node, PreviewFeature.SEALED_CLASSES, data);
+            } else if (node.isLocal() && !node.isRegularClass()) {
+                check(node, PreviewFeature.STATIC_LOCAL_TYPE_DECLARATIONS, data);
             }
 
             String simpleName = node.getSimpleName();

pmd-java/src/test/java/net/sourceforge/pmd/lang/java/ast/JavaQualifiedNameTest.java

@@ -24,7 +24,7 @@ public class JavaQualifiedNameTest {
 
 
     private <T extends Node> List<T> getNodes(Class<T> target, String code) {
-        return JavaParsingHelper.WITH_PROCESSING.getNodes(target, code);
+        return JavaParsingHelper.WITH_PROCESSING.withDefaultVersion("15-preview").getNodes(target, code);
     }
 
     @Test