[AA FIR] fix contract violation for Target annotation

^KT-57849

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/FirUtils.kt

@@ -7,6 +7,7 @@ package org.jetbrains.kotlin.analysis.api.fir
 
 import org.jetbrains.kotlin.analysis.api.annotations.KtAnnotationApplicationInfo
 import org.jetbrains.kotlin.analysis.api.annotations.KtAnnotationApplicationWithArgumentsInfo
+import org.jetbrains.kotlin.analysis.api.annotations.KtNamedAnnotationValue
 import org.jetbrains.kotlin.analysis.api.fir.annotations.mapAnnotationParameters
 import org.jetbrains.kotlin.analysis.api.fir.evaluate.FirAnnotationValueConverter
 import org.jetbrains.kotlin.analysis.api.symbols.KtSymbol
@@ -71,14 +72,15 @@ internal fun ConeDiagnostic.getCandidateSymbols(): Collection<FirBasedSymbol<*>>
 internal fun FirAnnotation.toKtAnnotationApplication(
     useSiteSession: FirSession,
     index: Int,
+    arguments: List<KtNamedAnnotationValue> = FirAnnotationValueConverter.toNamedConstantValue(
+        mapAnnotationParameters(this),
+        useSiteSession,
+    )
 ): KtAnnotationApplicationWithArgumentsInfo = KtAnnotationApplicationWithArgumentsInfo(
     classId = toAnnotationClassId(useSiteSession),
     psi = psi as? KtCallElement,
     useSiteTarget = useSiteTarget,
-    arguments = FirAnnotationValueConverter.toNamedConstantValue(
+    arguments = arguments,
-        mapAnnotationParameters(this),
-        useSiteSession,
-    ),
     index = index,
 )
 

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/annotations/firAnnotationUtils.kt

@@ -8,13 +8,18 @@ package org.jetbrains.kotlin.analysis.api.fir.annotations
 import org.jetbrains.kotlin.analysis.api.annotations.AnnotationUseSiteTargetFilter
 import org.jetbrains.kotlin.analysis.api.annotations.KtAnnotationApplicationInfo
 import org.jetbrains.kotlin.analysis.api.annotations.KtAnnotationApplicationWithArgumentsInfo
+import org.jetbrains.kotlin.analysis.api.annotations.KtArrayAnnotationValue
+import org.jetbrains.kotlin.analysis.api.annotations.KtEnumEntryAnnotationValue
+import org.jetbrains.kotlin.analysis.api.annotations.KtNamedAnnotationValue
 import org.jetbrains.kotlin.analysis.api.fir.toKtAnnotationApplication
 import org.jetbrains.kotlin.analysis.api.fir.toKtAnnotationInfo
 import org.jetbrains.kotlin.analysis.low.level.api.fir.util.withFirEntry
 import org.jetbrains.kotlin.analysis.utils.errors.checkWithAttachmentBuilder
 import org.jetbrains.kotlin.analysis.utils.errors.withClassEntry
+import org.jetbrains.kotlin.descriptors.annotations.KotlinTarget
 import org.jetbrains.kotlin.fir.FirAnnotationContainer
 import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.containingClassLookupTag
 import org.jetbrains.kotlin.fir.declarations.FirResolvePhase
 import org.jetbrains.kotlin.fir.declarations.resolved
 import org.jetbrains.kotlin.fir.declarations.toAnnotationClassId
@@ -31,6 +36,13 @@ import org.jetbrains.kotlin.fir.symbols.resolvedCompilerRequiredAnnotations
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.fir.declarations.resolvePhase
+import org.jetbrains.kotlin.fir.expressions.FirQualifiedAccessExpression
+import org.jetbrains.kotlin.fir.expressions.unwrapAndFlattenArgument
+import org.jetbrains.kotlin.fir.references.toResolvedCallableSymbol
+import org.jetbrains.kotlin.name.CallableId
+import org.jetbrains.kotlin.name.StandardClassIds
+import org.jetbrains.kotlin.name.StandardClassIds.Annotations.ParameterNames
+import org.jetbrains.kotlin.utils.addToStdlib.ifNotEmpty
 
 internal fun mapAnnotationParameters(annotation: FirAnnotation): Map<Name, FirExpression> {
     if (annotation is FirAnnotationCall && annotation.arguments.isEmpty()) return emptyMap()
@@ -50,13 +62,72 @@ internal fun annotationsByClassId(
     useSiteTargetFilter: AnnotationUseSiteTargetFilter,
     useSiteSession: FirSession,
     annotationContainer: FirAnnotationContainer = firSymbol.fir,
-): List<KtAnnotationApplicationWithArgumentsInfo> {
+): List<KtAnnotationApplicationWithArgumentsInfo> =
-    return annotationContainer.resolvedAnnotationsWithArguments(firSymbol).mapIndexedNotNull { index, annotation ->
+    if (classId == StandardClassIds.Annotations.Target && firSymbol.fir.resolvePhase < FirResolvePhase.ANNOTATIONS_ARGUMENTS_MAPPING) {
-        if (!useSiteTargetFilter.isAllowed(annotation.useSiteTarget) || annotation.toAnnotationClassId(useSiteSession) != classId) {
+        annotationContainer.resolvedAnnotationsWithClassIds(firSymbol)
-            return@mapIndexedNotNull null
+            .mapIndexedToAnnotationApplication(useSiteTargetFilter, useSiteSession, classId) { index, annotation ->
-        }
+                annotation.asKtAnnotationApplicationForTargetAnnotation(useSiteSession, index)
+            }
+    } else {
+        annotationContainer.resolvedAnnotationsWithArguments(firSymbol)
+            .mapIndexedToAnnotationApplication(useSiteTargetFilter, useSiteSession, classId) { index, annotation ->
+                annotation.toKtAnnotationApplication(useSiteSession, index)
+            }
+    }
 
-        annotation.toKtAnnotationApplication(useSiteSession, index)
+private inline fun List<FirAnnotation>.mapIndexedToAnnotationApplication(
+    useSiteTargetFilter: AnnotationUseSiteTargetFilter,
+    useSiteSession: FirSession,
+    classId: ClassId,
+    transformer: (index: Int, annotation: FirAnnotation) -> KtAnnotationApplicationWithArgumentsInfo?,
+): List<KtAnnotationApplicationWithArgumentsInfo> = mapIndexedNotNull { index, annotation ->
+    if (!useSiteTargetFilter.isAllowed(annotation.useSiteTarget) || annotation.toAnnotationClassId(useSiteSession) != classId) {
+        return@mapIndexedNotNull null
+    }
+
+    transformer(index, annotation)
+}
+
+private fun FirAnnotation.asKtAnnotationApplicationForTargetAnnotation(
+    useSiteSession: FirSession,
+    index: Int,
+): KtAnnotationApplicationWithArgumentsInfo {
+    val arguments = findAllowedTargets().ifNotEmpty {
+        listOf(
+            KtNamedAnnotationValue(
+                name = StandardClassIds.Annotations.ParameterNames.targetAllowedTargets,
+                expression = KtArrayAnnotationValue(
+                    values = map {
+                        KtEnumEntryAnnotationValue(
+                            callableId = CallableId(
+                                classId = StandardClassIds.AnnotationTarget,
+                                callableName = Name.identifier(it.name),
+                            ),
+                            sourcePsi = null,
+                        )
+                    },
+                    sourcePsi = null,
+                )
+            )
+        )
+    }.orEmpty()
+
+    return toKtAnnotationApplication(useSiteSession, index, arguments)
+}
+
+private fun FirAnnotation.findAllowedTargets(): Set<KotlinTarget> = buildSet {
+    fun addIfMatching(arg: FirExpression) {
+        if (arg !is FirQualifiedAccessExpression) return
+        val callableSymbol = arg.calleeReference.toResolvedCallableSymbol() ?: return
+        if (callableSymbol.containingClassLookupTag()?.classId != StandardClassIds.AnnotationTarget) return
+        val identifier = callableSymbol.callableId.callableName.identifier
+        KotlinTarget.values().firstOrNull { identifier == it.name }?.let(::add)
+    }
+
+    if (this@findAllowedTargets is FirAnnotationCall) {
+        for (arg in argumentList.arguments) {
+            arg.unwrapAndFlattenArgument().forEach(::addIfMatching)
+        }
     }
 }
 

analysis/low-level-api-fir/testdata/lazyResolve/annotationFromImplicitJavaType.kt

@@ -0,0 +1,18 @@
+// SKIP_WHEN_OUT_OF_CONTENT_ROOT
+// DISABLE_SEALED_INHERITOR_CALCULATOR
+// FILE: main.kt
+fun resolveMe(i: JavaInterface) = i.id
+
+// FILE: JavaClass.java
+public interface JavaInterface {
+    @KotlinAnnotation
+    default int getId() {
+        return -1;
+    }
+}
+
+// FILE: KotlinAnnotation.kt
+@Target(
+    AnnotationTarget.TYPE
+)
+annotation class KotlinAnnotation

analysis/low-level-api-fir/testdata/lazyResolve/annotationFromImplicitJavaType.txt

@@ -0,0 +1,79 @@
+RAW_FIR:
+FILE: [ResolvedTo(RAW_FIR)] main.kt
+    [ResolvedTo(RAW_FIR)] annotations container
+    public? final? [ResolvedTo(RAW_FIR)] fun resolveMe([ResolvedTo(RAW_FIR)] i: JavaInterface): <implicit> { LAZY_BLOCK }
+
+IMPORTS:
+FILE: [ResolvedTo(IMPORTS)] main.kt
+    [ResolvedTo(RAW_FIR)] annotations container
+    public? final? [ResolvedTo(RAW_FIR)] fun resolveMe([ResolvedTo(RAW_FIR)] i: JavaInterface): <implicit> { LAZY_BLOCK }
+
+COMPILER_REQUIRED_ANNOTATIONS:
+FILE: [ResolvedTo(IMPORTS)] main.kt
+    [ResolvedTo(RAW_FIR)] annotations container
+    public? final? [ResolvedTo(COMPILER_REQUIRED_ANNOTATIONS)] fun resolveMe([ResolvedTo(COMPILER_REQUIRED_ANNOTATIONS)] i: JavaInterface): <implicit> { LAZY_BLOCK }
+
+COMPANION_GENERATION:
+FILE: [ResolvedTo(IMPORTS)] main.kt
+    [ResolvedTo(RAW_FIR)] annotations container
+    public? final? [ResolvedTo(COMPANION_GENERATION)] fun resolveMe([ResolvedTo(COMPANION_GENERATION)] i: JavaInterface): <implicit> { LAZY_BLOCK }
+
+SUPER_TYPES:
+FILE: [ResolvedTo(IMPORTS)] main.kt
+    [ResolvedTo(RAW_FIR)] annotations container
+    public? final? [ResolvedTo(SUPER_TYPES)] fun resolveMe([ResolvedTo(SUPER_TYPES)] i: JavaInterface): <implicit> { LAZY_BLOCK }
+
+TYPES:
+FILE: [ResolvedTo(IMPORTS)] main.kt
+    [ResolvedTo(RAW_FIR)] annotations container
+    public? final? [ResolvedTo(TYPES)] fun resolveMe([ResolvedTo(TYPES)] i: R|JavaInterface|): <implicit> { LAZY_BLOCK }
+
+STATUS:
+FILE: [ResolvedTo(IMPORTS)] main.kt
+    [ResolvedTo(RAW_FIR)] annotations container
+    public final [ResolvedTo(STATUS)] fun resolveMe([ResolvedTo(STATUS)] i: R|JavaInterface|): <implicit> { LAZY_BLOCK }
+
+EXPECT_ACTUAL_MATCHING:
+FILE: [ResolvedTo(IMPORTS)] main.kt
+    [ResolvedTo(RAW_FIR)] annotations container
+    public final [ResolvedTo(EXPECT_ACTUAL_MATCHING)] fun resolveMe([ResolvedTo(EXPECT_ACTUAL_MATCHING)] i: R|JavaInterface|): <implicit> { LAZY_BLOCK }
+
+ARGUMENTS_OF_ANNOTATIONS:
+FILE: [ResolvedTo(IMPORTS)] main.kt
+    [ResolvedTo(RAW_FIR)] annotations container
+    public final [ResolvedTo(ARGUMENTS_OF_ANNOTATIONS)] fun resolveMe([ResolvedTo(ARGUMENTS_OF_ANNOTATIONS)] i: R|JavaInterface|): <implicit> { LAZY_BLOCK }
+
+CONTRACTS:
+FILE: [ResolvedTo(IMPORTS)] main.kt
+    [ResolvedTo(RAW_FIR)] annotations container
+    public final [ResolvedTo(CONTRACTS)] fun resolveMe([ResolvedTo(CONTRACTS)] i: R|JavaInterface|): <implicit> {
+        ^resolveMe i#.id#
+    }
+
+IMPLICIT_TYPES_BODY_RESOLVE:
+FILE: [ResolvedTo(IMPORTS)] main.kt
+    [ResolvedTo(RAW_FIR)] annotations container
+    public final [ResolvedTo(IMPLICIT_TYPES_BODY_RESOLVE)] fun resolveMe([ResolvedTo(IMPLICIT_TYPES_BODY_RESOLVE)] i: R|JavaInterface|): R|@R|KotlinAnnotation|()  kotlin/Int| {
+        ^resolveMe R|<local>/i|.R|/JavaInterface.id|
+    }
+
+ANNOTATIONS_ARGUMENTS_MAPPING:
+FILE: [ResolvedTo(IMPORTS)] main.kt
+    [ResolvedTo(RAW_FIR)] annotations container
+    public final [ResolvedTo(ANNOTATIONS_ARGUMENTS_MAPPING)] fun resolveMe([ResolvedTo(ANNOTATIONS_ARGUMENTS_MAPPING)] i: R|JavaInterface|): R|@R|KotlinAnnotation|()  kotlin/Int| {
+        ^resolveMe R|<local>/i|.R|/JavaInterface.id|
+    }
+
+BODY_RESOLVE:
+FILE: [ResolvedTo(IMPORTS)] main.kt
+    [ResolvedTo(RAW_FIR)] annotations container
+    public final [ResolvedTo(BODY_RESOLVE)] fun resolveMe([ResolvedTo(BODY_RESOLVE)] i: R|JavaInterface|): R|@R|KotlinAnnotation|()  kotlin/Int| {
+        ^resolveMe R|<local>/i|.R|/JavaInterface.id|
+    }
+
+FILE RAW TO BODY:
+FILE: [ResolvedTo(IMPORTS)] main.kt
+    [ResolvedTo(BODY_RESOLVE)] annotations container
+    public final [ResolvedTo(BODY_RESOLVE)] fun resolveMe([ResolvedTo(BODY_RESOLVE)] i: R|JavaInterface|): R|@R|KotlinAnnotation|()  kotlin/Int| {
+        ^resolveMe R|<local>/i|.R|/JavaInterface.id|
+    }

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/FirOutOfContentRootLazyDeclarationResolveTestGenerated.java

@@ -24,6 +24,12 @@ public class FirOutOfContentRootLazyDeclarationResolveTestGenerated extends Abst
         KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("analysis/low-level-api-fir/testdata/lazyResolve"), Pattern.compile("^(.+)\\.kt$"), null, true);
     }
 
+    @Test
+    @TestMetadata("annotationFromImplicitJavaType.kt")
+    public void testAnnotationFromImplicitJavaType() throws Exception {
+        runTest("analysis/low-level-api-fir/testdata/lazyResolve/annotationFromImplicitJavaType.kt");
+    }
+
     @Test
     @TestMetadata("annotationParameters.kt")
     public void testAnnotationParameters() throws Exception {

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/FirSourceLazyDeclarationResolveTestGenerated.java

@@ -24,6 +24,12 @@ public class FirSourceLazyDeclarationResolveTestGenerated extends AbstractFirSou
         KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("analysis/low-level-api-fir/testdata/lazyResolve"), Pattern.compile("^(.+)\\.kt$"), null, true);
     }
 
+    @Test
+    @TestMetadata("annotationFromImplicitJavaType.kt")
+    public void testAnnotationFromImplicitJavaType() throws Exception {
+        runTest("analysis/low-level-api-fir/testdata/lazyResolve/annotationFromImplicitJavaType.kt");
+    }
+
     @Test
     @TestMetadata("annotationParameters.kt")
     public void testAnnotationParameters() throws Exception {

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/test/base/AbstractLowLevelApiSingleFileTest.kt

@@ -14,7 +14,7 @@ import org.jetbrains.kotlin.test.services.TestServices
 abstract class AbstractLowLevelApiSingleFileTest : AbstractAnalysisApiBasedTest() {
     final override fun doTestByModuleStructure(moduleStructure: TestModuleStructure, testServices: TestServices) {
         val singleModule = moduleStructure.modules.single()
-        val singleFile = testServices.ktModuleProvider.getModuleFiles(singleModule).filterIsInstance<KtFile>().single()
+        val singleFile = testServices.ktModuleProvider.getModuleFiles(singleModule).filterIsInstance<KtFile>().first()
         doTestByFileStructure(singleFile, moduleStructure, testServices)
     }
 

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/test/configurators/AnalysisApiFirOutOfContentRootTestConfigurator.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -61,7 +61,7 @@ private class KtOutOfContentRootModuleFactory : KtModuleFactory {
     override fun createModule(testModule: TestModule, testServices: TestServices, project: Project): KtModuleWithFiles {
         val psiFiles = TestModuleStructureFactory.createSourcePsiFiles(testModule, testServices, project)
         val platform = testModule.targetPlatform
-        val module = KtNotUnderContentRootModuleForTest(testModule.name, psiFiles.single(), platform)
+        val module = KtNotUnderContentRootModuleForTest(testModule.name, psiFiles.first(), platform)
         return KtModuleWithFiles(module, psiFiles)
     }
 }