[AA] don't treat incomplete function as anonymous

^KTIJ-23672
sync anonymous function predicate with RawFirBuilder/DeclarationsConverter

analysis/analysis-api-fe10/tests-gen/org/jetbrains/kotlin/analysis/api/fe10/test/cases/generated/cases/components/expressionTypeProvider/Fe10IdeNormalAnalysisSourceModuleDeclarationReturnTypeTestGenerated.java

@@ -58,6 +58,12 @@ public class Fe10IdeNormalAnalysisSourceModuleDeclarationReturnTypeTestGenerated
         runTest("analysis/analysis-api/testData/components/expressionTypeProvider/declarationReturnType/delegateProperties.kt");
     }
 
+    @Test
+    @TestMetadata("functionWithoutParameterList.kt")
+    public void testFunctionWithoutParameterList() throws Exception {
+        runTest("analysis/analysis-api/testData/components/expressionTypeProvider/declarationReturnType/functionWithoutParameterList.kt");
+    }
+
     @Test
     @TestMetadata("funtionType.kt")
     public void testFuntionType() throws Exception {

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/components/KtFirExpressionTypeProvider.kt

@@ -119,7 +119,7 @@ internal class KtFirExpressionTypeProvider(
         contract {
             returns(true) implies (ktDeclaration is KtNamedFunction)
         }
-        return ktDeclaration is KtFunction && ktDeclaration.name == null
+        return ktDeclaration is KtNamedFunction && ktDeclaration.isAnonymous
     }
 
     private fun KtFunction.toFirAnonymousFunction(): FirAnonymousFunction {

analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/expressionTypeProvider/FirIdeDependentAnalysisSourceModuleDeclarationReturnTypeTestGenerated.java

@@ -58,6 +58,12 @@ public class FirIdeDependentAnalysisSourceModuleDeclarationReturnTypeTestGenerat
         runTest("analysis/analysis-api/testData/components/expressionTypeProvider/declarationReturnType/delegateProperties.kt");
     }
 
+    @Test
+    @TestMetadata("functionWithoutParameterList.kt")
+    public void testFunctionWithoutParameterList() throws Exception {
+        runTest("analysis/analysis-api/testData/components/expressionTypeProvider/declarationReturnType/functionWithoutParameterList.kt");
+    }
+
     @Test
     @TestMetadata("funtionType.kt")
     public void testFuntionType() throws Exception {

analysis/analysis-api-fir/tests-gen/org/jetbrains/kotlin/analysis/api/fir/test/cases/generated/cases/components/expressionTypeProvider/FirIdeNormalAnalysisSourceModuleDeclarationReturnTypeTestGenerated.java

@@ -58,6 +58,12 @@ public class FirIdeNormalAnalysisSourceModuleDeclarationReturnTypeTestGenerated
         runTest("analysis/analysis-api/testData/components/expressionTypeProvider/declarationReturnType/delegateProperties.kt");
     }
 
+    @Test
+    @TestMetadata("functionWithoutParameterList.kt")
+    public void testFunctionWithoutParameterList() throws Exception {
+        runTest("analysis/analysis-api/testData/components/expressionTypeProvider/declarationReturnType/functionWithoutParameterList.kt");
+    }
+
     @Test
     @TestMetadata("funtionType.kt")
     public void testFuntionType() throws Exception {

analysis/analysis-api-standalone/tests-gen/org/jetbrains/kotlin/analysis/api/standalone/fir/test/cases/generated/cases/components/expressionTypeProvider/FirStandaloneNormalAnalysisSourceModuleDeclarationReturnTypeTestGenerated.java

@@ -58,6 +58,12 @@ public class FirStandaloneNormalAnalysisSourceModuleDeclarationReturnTypeTestGen
         runTest("analysis/analysis-api/testData/components/expressionTypeProvider/declarationReturnType/delegateProperties.kt");
     }
 
+    @Test
+    @TestMetadata("functionWithoutParameterList.kt")
+    public void testFunctionWithoutParameterList() throws Exception {
+        runTest("analysis/analysis-api/testData/components/expressionTypeProvider/declarationReturnType/functionWithoutParameterList.kt");
+    }
+
     @Test
     @TestMetadata("funtionType.kt")
     public void testFuntionType() throws Exception {

analysis/analysis-api/testData/components/expressionTypeProvider/declarationReturnType/functionWithoutParameterList.kt

@@ -0,0 +1 @@
+inline fun <reified A, reified B> Pair<*,*>.

analysis/analysis-api/testData/components/expressionTypeProvider/declarationReturnType/functionWithoutParameterList.txt

@@ -0,0 +1 @@
+KtNamedFunction@(1,1) : kotlin.Unit

compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt

@@ -1313,7 +1313,7 @@ open class RawFirBuilder(
             val receiverType = function.receiverTypeReference.convertSafe<FirTypeRef>()
 
             val labelName: String?
-            val isAnonymousFunction = function.name == null && !function.parent.let { it is KtFile || it is KtClassBody }
+            val isAnonymousFunction = function.isAnonymous
             val functionSymbol: FirFunctionSymbol<*>
             val functionBuilder = if (isAnonymousFunction) {
                 FirAnonymousFunctionBuilder().apply {

compiler/psi/src/org/jetbrains/kotlin/psi/KtNamedFunction.java

@@ -242,6 +242,10 @@ public class KtNamedFunction extends KtTypeParameterListOwnerStub<KotlinFunction
         return !(parent instanceof KtFile || parent instanceof KtClassBody);
     }
 
+    public boolean isAnonymous() {
+        return getName() == null && isLocal();
+    }
+
     public boolean isTopLevel() {
         KotlinFunctionStub stub = getStub();
         if (stub != null) {