[FIR] fix NPE on missing java annotations qualifier

^KTIJ-23075 fixed

analysis/analysis-api-fe10/tests-gen/org/jetbrains/kotlin/analysis/api/fe10/test/cases/generated/cases/symbols/Fe10IdeNormalAnalysisSourceModuleSymbolByReferenceTestGenerated.java

@@ -94,6 +94,12 @@ public class Fe10IdeNormalAnalysisSourceModuleSymbolByReferenceTestGenerated ext
         runTest("analysis/analysis-api/testData/symbols/symbolByReference/implicitLambdaParameter.kt");
     }
 
+    @Test
+    @TestMetadata("javaClassWithEmptyAnnotationName.kt")
+    public void testJavaClassWithEmptyAnnotationName() throws Exception {
+        runTest("analysis/analysis-api/testData/symbols/symbolByReference/javaClassWithEmptyAnnotationName.kt");
+    }
+
     @Test
     @TestMetadata("javaField.kt")
     public void testJavaField() throws Exception {

analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/symbols/FirIdeNormalAnalysisSourceModuleSymbolByReferenceTestGenerated.java

@@ -94,6 +94,12 @@ public class FirIdeNormalAnalysisSourceModuleSymbolByReferenceTestGenerated exte
         runTest("analysis/analysis-api/testData/symbols/symbolByReference/implicitLambdaParameter.kt");
     }
 
+    @Test
+    @TestMetadata("javaClassWithEmptyAnnotationName.kt")
+    public void testJavaClassWithEmptyAnnotationName() throws Exception {
+        runTest("analysis/analysis-api/testData/symbols/symbolByReference/javaClassWithEmptyAnnotationName.kt");
+    }
+
     @Test
     @TestMetadata("javaField.kt")
     public void testJavaField() throws Exception {

analysis/analysis-api-standalone/tests-gen/org/jetbrains/kotlin/analysis/api/standalone/fir/test/cases/generated/cases/symbols/FirStandaloneNormalAnalysisSourceModuleSymbolByReferenceTestGenerated.java

@@ -94,6 +94,12 @@ public class FirStandaloneNormalAnalysisSourceModuleSymbolByReferenceTestGenerat
         runTest("analysis/analysis-api/testData/symbols/symbolByReference/implicitLambdaParameter.kt");
     }
 
+    @Test
+    @TestMetadata("javaClassWithEmptyAnnotationName.kt")
+    public void testJavaClassWithEmptyAnnotationName() throws Exception {
+        runTest("analysis/analysis-api/testData/symbols/symbolByReference/javaClassWithEmptyAnnotationName.kt");
+    }
+
     @Test
     @TestMetadata("javaField.kt")
     public void testJavaField() throws Exception {

analysis/analysis-api/testData/symbols/symbolByReference/javaClassWithEmptyAnnotationName.descriptors.pretty.txt

@@ -0,0 +1,2 @@
+@`<Error class: unknown class>`
+open class JavaClass

analysis/analysis-api/testData/symbols/symbolByReference/javaClassWithEmptyAnnotationName.descriptors.txt

@@ -0,0 +1,25 @@
+KtNamedClassOrObjectSymbol:
+  annotationsList: [
+    <Error class: unknown class>()
+      psi: null
+  ]
+  classIdIfNonLocal: JavaClass
+  classKind: CLASS
+  companionObject: null
+  contextReceivers: []
+  isData: false
+  isExternal: false
+  isFun: false
+  isInline: false
+  isInner: false
+  modality: OPEN
+  name: JavaClass
+  origin: JAVA
+  superTypes: [
+    kotlin/Any
+  ]
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/analysis-api/testData/symbols/symbolByReference/javaClassWithEmptyAnnotationName.kt

@@ -0,0 +1,10 @@
+// FILE: main.kt
+
+fun main() {
+    val j: Java<caret>Class =  JavaClass()
+}
+
+// FILE: JavaClass.java
+
+@()
+public class JavaClass {}

analysis/analysis-api/testData/symbols/symbolByReference/javaClassWithEmptyAnnotationName.pretty.descriptors.txt

@@ -0,0 +1,2 @@
+@`<error>`
+open class JavaClass

analysis/analysis-api/testData/symbols/symbolByReference/javaClassWithEmptyAnnotationName.pretty.txt

@@ -0,0 +1,2 @@
+@`<error>`
+open class JavaClass

analysis/analysis-api/testData/symbols/symbolByReference/javaClassWithEmptyAnnotationName.txt

@@ -0,0 +1,25 @@
+KtNamedClassOrObjectSymbol:
+  annotationsList: [
+    <error>()
+      psi: null
+  ]
+  classIdIfNonLocal: JavaClass
+  classKind: CLASS
+  companionObject: null
+  contextReceivers: []
+  isData: false
+  isExternal: false
+  isFun: false
+  isInline: false
+  isInner: false
+  modality: OPEN
+  name: JavaClass
+  origin: JAVA
+  superTypes: [
+    kotlin/Any
+  ]
+  symbolKind: TOP_LEVEL
+  typeParameters: []
+  visibility: Public
+  getContainingModule: KtSourceModule "Sources of main"
+  deprecationStatus: null

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerFirTestdataTestGenerated.java

@@ -3431,6 +3431,12 @@ public class DiagnosisCompilerFirTestdataTestGenerated extends AbstractDiagnosis
                 runTest("compiler/fir/analysis-tests/testData/resolve/problems/innerClassHierarchy.kt");
             }
 
+            @Test
+            @TestMetadata("javaClassWithEmptyAnnotationName.kt")
+            public void testJavaClassWithEmptyAnnotationName() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolve/problems/javaClassWithEmptyAnnotationName.kt");
+            }
+
             @Test
             @TestMetadata("javaQualifier.kt")
             public void testJavaQualifier() throws Exception {

compiler/fir/analysis-tests/legacy-fir-tests/tests-gen/org/jetbrains/kotlin/fir/LazyBodyIsNotTouchedTilContractsPhaseTestGenerated.java

@@ -3025,6 +3025,11 @@ public class LazyBodyIsNotTouchedTilContractsPhaseTestGenerated extends Abstract
             runTest("compiler/fir/analysis-tests/testData/resolve/problems/innerClassHierarchy.kt");
         }
 
+        @TestMetadata("javaClassWithEmptyAnnotationName.kt")
+        public void testJavaClassWithEmptyAnnotationName() throws Exception {
+            runTest("compiler/fir/analysis-tests/testData/resolve/problems/javaClassWithEmptyAnnotationName.kt");
+        }
+
         @TestMetadata("javaQualifier.kt")
         public void testJavaQualifier() throws Exception {
             runTest("compiler/fir/analysis-tests/testData/resolve/problems/javaQualifier.kt");

compiler/fir/analysis-tests/testData/resolve/problems/javaClassWithEmptyAnnotationName.fir.txt

@@ -0,0 +1,4 @@
+FILE: main.kt
+    public final fun main(): R|kotlin/Unit| {
+        lval j: R|JavaClass| = R|/JavaClass.JavaClass|()
+    }

compiler/fir/analysis-tests/testData/resolve/problems/javaClassWithEmptyAnnotationName.kt

@@ -0,0 +1,10 @@
+// FILE: main.kt
+
+fun main() {
+    val j: JavaClass =  JavaClass()
+}
+
+// FILE: JavaClass.java
+
+@()
+public class JavaClass {}

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirDiagnosticTestGenerated.java

@@ -3431,6 +3431,12 @@ public class FirDiagnosticTestGenerated extends AbstractFirDiagnosticTest {
                 runTest("compiler/fir/analysis-tests/testData/resolve/problems/innerClassHierarchy.kt");
             }
 
+            @Test
+            @TestMetadata("javaClassWithEmptyAnnotationName.kt")
+            public void testJavaClassWithEmptyAnnotationName() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolve/problems/javaClassWithEmptyAnnotationName.kt");
+            }
+
             @Test
             @TestMetadata("javaQualifier.kt")
             public void testJavaQualifier() throws Exception {

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirDiagnosticsWithLightTreeTestGenerated.java

@@ -3431,6 +3431,12 @@ public class FirDiagnosticsWithLightTreeTestGenerated extends AbstractFirDiagnos
                 runTest("compiler/fir/analysis-tests/testData/resolve/problems/innerClassHierarchy.kt");
             }
 
+            @Test
+            @TestMetadata("javaClassWithEmptyAnnotationName.kt")
+            public void testJavaClassWithEmptyAnnotationName() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolve/problems/javaClassWithEmptyAnnotationName.kt");
+            }
+
             @Test
             @TestMetadata("javaQualifier.kt")
             public void testJavaQualifier() throws Exception {

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/javaAnnotationsMapping.kt

@@ -12,9 +12,11 @@ import org.jetbrains.kotlin.fir.declarations.FirRegularClass
 import org.jetbrains.kotlin.fir.declarations.FirValueParameter
 import org.jetbrains.kotlin.fir.diagnostics.ConeSimpleDiagnostic
 import org.jetbrains.kotlin.fir.diagnostics.DiagnosticKind
-import org.jetbrains.kotlin.fir.expressions.*
+import org.jetbrains.kotlin.fir.expressions.FirAnnotation
+import org.jetbrains.kotlin.fir.expressions.FirExpression
+import org.jetbrains.kotlin.fir.expressions.FirFunctionCall
+import org.jetbrains.kotlin.fir.expressions.buildUnaryArgumentList
 import org.jetbrains.kotlin.fir.expressions.builder.*
-import org.jetbrains.kotlin.fir.java.declarations.FirJavaMethod
 import org.jetbrains.kotlin.fir.java.declarations.buildJavaValueParameter
 import org.jetbrains.kotlin.fir.references.builder.buildErrorNamedReference
 import org.jetbrains.kotlin.fir.references.builder.buildResolvedNamedReference
@@ -247,7 +249,9 @@ private fun JavaAnnotation.toFirAnnotationCall(
                         "Deprecated in Java".createConstantOrError(session)
                 }
                 else -> {
-                    fillAnnotationArgumentMapping(session, javaTypeParameterStack, lookupTag!!, arguments, mapping)
+                    if (lookupTag != null) {
+                        fillAnnotationArgumentMapping(session, javaTypeParameterStack, lookupTag, arguments, mapping)
+                    }
                 }
             }
         }