Fix KtDotQualifiedExpressionElementType stub building for complex qualified elements

Fixed #EA212081

compiler/psi/src/org/jetbrains/kotlin/psi/stubs/KotlinStubVersions.kt

@@ -23,7 +23,7 @@ object KotlinStubVersions {
     // Though only kotlin declarations (no code in the bodies) are stubbed, please do increase this version
     //      if you are not 100% sure it can be avoided.
     // Increasing this version will lead to reindexing of all kotlin source files on the first IDE startup with the new version.
-    const val SOURCE_STUB_VERSION = 136
+    const val SOURCE_STUB_VERSION = 137
 
     // Binary stub version should be increased if stub format (org.jetbrains.kotlin.psi.stubs.impl) is changed
     //      or changes are made to the core stub building code (org.jetbrains.kotlin.idea.decompiler.stubBuilder).

compiler/psi/src/org/jetbrains/kotlin/psi/stubs/elements/KtDotQualifiedExpressionElementType.java

@@ -20,6 +20,7 @@ import com.intellij.lang.ASTNode;
 import com.intellij.psi.tree.IElementType;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.kotlin.lexer.KtTokens;
 import org.jetbrains.kotlin.psi.KtDotQualifiedExpression;
 
 public class KtDotQualifiedExpressionElementType extends KtPlaceHolderStubElementType<KtDotQualifiedExpression> {
@@ -27,6 +28,26 @@ public class KtDotQualifiedExpressionElementType extends KtPlaceHolderStubElemen
         super(debugName, KtDotQualifiedExpression.class);
     }
 
+    private static boolean checkNodeTypesTraversal(ASTNode node) {
+
+        IElementType type = node.getElementType();
+        if (type != KtStubElementTypes.DOT_QUALIFIED_EXPRESSION &&
+            type != KtStubElementTypes.REFERENCE_EXPRESSION &&
+            type != KtTokens.IDENTIFIER &&
+            type != KtTokens.DOT
+        ) {
+            return false;
+        }
+
+        for (ASTNode child = node.getFirstChildNode(); child != null; child = child.getTreeNext()) {
+            if (!checkNodeTypesTraversal(child)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
     @Override
     public boolean shouldCreateStub(ASTNode node) {
         ASTNode treeParent = node.getTreeParent();
@@ -38,7 +59,7 @@ public class KtDotQualifiedExpressionElementType extends KtPlaceHolderStubElemen
             parentElementType == KtStubElementTypes.VALUE_ARGUMENT ||
             parentElementType == KtStubElementTypes.DOT_QUALIFIED_EXPRESSION
         ) {
-            return super.shouldCreateStub(node);
+            return checkNodeTypesTraversal(node) && super.shouldCreateStub(node);
         }
 
         return false;