[Parameter Name Hints] introduced getBlackListDependencyLanguage to parameter hints extension

platform/lang-api/src/com/intellij/codeInsight/hints/InlayParameterHintsProvider.kt

@@ -15,6 +15,7 @@
  */
 package com.intellij.codeInsight.hints
 
+import com.intellij.lang.Language
 import com.intellij.lang.LanguageExtension
 import com.intellij.psi.PsiElement
 import org.jetbrains.annotations.ApiStatus
@@ -27,19 +28,25 @@ interface InlayParameterHintsProvider {
   /**
    * Hints for params to be shown
    */
-  fun getParameterHints(element: PsiElement): List<InlayInfo> = emptyList()
+  fun getParameterHints(element: PsiElement): List<InlayInfo>
 
   /**
    * Provides fully qualified method name (e.g. "java.util.Map.put") and list of it's parameter names.
    * Used when adding method to blacklist, when user invokes alt-enter on hint 
    * and selects "Do not show for this method".
    */
-  fun getMethodInfo(element: PsiElement): MethodInfo? = null
+  fun getMethodInfo(element: PsiElement): MethodInfo?
   
   /**
    * Default list of methods for which hints should not be shown
    */
   val defaultBlackList: Set<String>
+
+  /**
+   * Returns language which blacklist will be appended to the resulting one
+   * E.g. to prevent possible Groovy and Kotlin extensions from showing hints for blacklisted java methods. 
+   */
+  fun getBlackListDependencyLanguage(): Language? = null
   
 }
 

platform/lang-impl/src/com/intellij/codeInsight/hints/ParameterHintsPassFactory.java

@@ -38,6 +38,7 @@ import com.intellij.openapi.util.Key;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiFile;
 import com.intellij.psi.SyntaxTraverser;
+import com.intellij.util.containers.ContainerUtil;
 import com.intellij.util.containers.HashSet;
 import gnu.trove.TIntObjectHashMap;
 import org.jetbrains.annotations.NotNull;
@@ -77,8 +78,11 @@ public class ParameterHintsPassFactory extends AbstractProjectComponent implemen
       InlayParameterHintsProvider provider = InlayParameterHintsExtension.INSTANCE.forLanguage(language);
       if (provider == null) return;
 
-      Diff diff = ParameterNameHintsSettings.getInstance().getBlackListDiff(language);
-      Set<String> blackList = diff.applyOn(provider.getDefaultBlackList());
+      Set<String> blackList = getBlackList(language);
+      Language dependentLanguage = provider.getBlackListDependencyLanguage();
+      if (dependentLanguage != null) {
+        blackList.addAll(getBlackList(dependentLanguage));
+      }
 
       List<Matcher> matchers = blackList
         .stream()
@@ -88,6 +92,16 @@ public class ParameterHintsPassFactory extends AbstractProjectComponent implemen
       SyntaxTraverser.psiTraverser(myFile).forEach(element -> process(element, provider, matchers));
     }
 
+    private static Set<String> getBlackList(Language language) {
+      InlayParameterHintsProvider provider = InlayParameterHintsExtension.INSTANCE.forLanguage(language);
+      if (provider != null) {
+        ParameterNameHintsSettings settings = ParameterNameHintsSettings.getInstance();
+        Diff diff = settings.getBlackListDiff(language);
+        return diff.applyOn(provider.getDefaultBlackList());
+      }
+      return ContainerUtil.newHashOrEmptySet(ContainerUtil.emptyIterable());
+    }
+
     private static boolean isEnabled() {
       return EditorSettingsExternalizable.getInstance().isShowParameterNameHints();
     }

platform/lang-impl/testSources/com/intellij/codeInsight/hints/settings/ParameterNameSettingsTest.kt

@@ -15,12 +15,20 @@
  */
 package com.intellij.codeInsight.hints.settings
 
+import com.intellij.codeInsight.hints.InlayInfo
 import com.intellij.codeInsight.hints.InlayParameterHintsProvider
 import com.intellij.openapi.fileTypes.PlainTextLanguage
+import com.intellij.psi.PsiElement
 import junit.framework.TestCase
 
 
-class MockInlayProvider(override val defaultBlackList: Set<String>): InlayParameterHintsProvider
+class MockInlayProvider(override val defaultBlackList: Set<String>): InlayParameterHintsProvider {
+
+  override fun getParameterHints(element: PsiElement) = emptyList<InlayInfo>()
+
+  override fun getMethodInfo(element: PsiElement) = null
+  
+}
 
 
 class ParameterNameSettingsTest : TestCase() {