[^romka] IDEA-96146 Cannot enter 'final' keyword in try-with-resources

(cherry-picked from acd831e)

java/java-impl/src/com/intellij/codeInsight/completion/JavaCompletionData.java

@@ -38,7 +38,6 @@ import com.intellij.psi.jsp.JspElementType;
 import com.intellij.psi.templateLanguages.OuterLanguageElement;
 import com.intellij.psi.util.PsiTreeUtil;
 import com.intellij.psi.util.PsiUtil;
-import com.intellij.util.Consumer;
 import com.intellij.util.ProcessingContext;
 import org.jetbrains.annotations.NonNls;
 
@@ -484,7 +483,9 @@ public class JavaCompletionData extends JavaAwareCompletionData {
       }
     }
 
-    if (isInsideParameterList(position) && !psiElement().afterLeaf(PsiKeyword.FINAL).accepts(position) && !AFTER_DOT.accepts(position)) {
+    if ((isInsideParameterList(position) || isAtResourceVariableStart(position)) && 
+        !psiElement().afterLeaf(PsiKeyword.FINAL).accepts(position) && 
+        !AFTER_DOT.accepts(position)) {
       result.addElement(TailTypeDecorator.withTail(createKeyword(position, PsiKeyword.FINAL), TailType.HUMBLE_SPACE_BEFORE_WORD));
     }
 
@@ -632,6 +633,10 @@ public class JavaCompletionData extends JavaAwareCompletionData {
     }
   }
 
+  private static boolean isAtResourceVariableStart(PsiElement position) {
+    return psiElement().insideStarting(psiElement(PsiTypeElement.class).withParent(PsiResourceList.class)).accepts(position);
+  }
+
   private static void addBreakContinue(CompletionResultSet result, PsiElement position) {
     PsiLoopStatement loop = PsiTreeUtil.getParentOfType(position, PsiLoopStatement.class);
 

java/java-tests/testData/codeInsight/completion/keywords/finalInTryWithResources.java

@@ -0,0 +1,5 @@
+public class Util {
+  void foo() {
+    try (<caret>)
+  }
+}

java/java-tests/testSrc/com/intellij/codeInsight/completion/KeywordCompletionTest.java

@@ -108,6 +108,7 @@ public class KeywordCompletionTest extends LightCompletionTestCase {
   public void testReturnInTernary() throws Exception { doTest(1, "return"); }
   public void testFinalAfterParameterAnno() throws Exception { doTest(2, "final", "float", "class"); }
   public void testFinalAfterParameterAnno2() throws Exception { doTest(2, "final", "float", "class"); }
+  public void testFinalInTryWithResources() throws Exception { doTest(1, "final", "float", "class"); }
   public void testClassInMethod() throws Exception { doTest(2, "class", "char"); }
   public void testIntInClassArray() throws Throwable { doTest(2, "int", "char", "final"); }
   public void testIntInClassArray2() throws Throwable { doTest(2, "int", "char", "final"); }