[FIR, IR] Refactor: move annotation retention helper functions

Will be needed in subsequent commit to be accessible in
ExpectActualMatchingContext implementations.

^KT-58551

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/FirAnnotationHelpers.kt

@@ -10,43 +10,30 @@ import org.jetbrains.kotlin.descriptors.annotations.AnnotationUseSiteTarget
 import org.jetbrains.kotlin.descriptors.annotations.KotlinTarget
 import org.jetbrains.kotlin.diagnostics.DiagnosticReporter
 import org.jetbrains.kotlin.diagnostics.reportOn
-import org.jetbrains.kotlin.fir.*
+import org.jetbrains.kotlin.fir.FirAnnotationContainer
+import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.analysis.checkers.context.CheckerContext
 import org.jetbrains.kotlin.fir.analysis.checkers.context.findClosest
 import org.jetbrains.kotlin.fir.analysis.diagnostics.FirErrors
+import org.jetbrains.kotlin.fir.analysis.getRetention
 import org.jetbrains.kotlin.fir.declarations.*
 import org.jetbrains.kotlin.fir.declarations.impl.FirPrimaryConstructor
 import org.jetbrains.kotlin.fir.expressions.*
+import org.jetbrains.kotlin.fir.languageVersionSettings
 import org.jetbrains.kotlin.fir.references.FirFromMissingDependenciesNamedReference
+import org.jetbrains.kotlin.fir.references.resolved
 import org.jetbrains.kotlin.fir.resolve.fullyExpandedType
 import org.jetbrains.kotlin.fir.resolve.providers.symbolProvider
 import org.jetbrains.kotlin.fir.resolve.toSymbol
-import org.jetbrains.kotlin.fir.references.resolved
-import org.jetbrains.kotlin.fir.references.toResolvedEnumEntrySymbol
-import org.jetbrains.kotlin.fir.symbols.lazyResolveToPhase
 import org.jetbrains.kotlin.fir.symbols.impl.FirClassLikeSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirRegularClassSymbol
+import org.jetbrains.kotlin.fir.symbols.lazyResolveToPhase
 import org.jetbrains.kotlin.fir.types.*
 import org.jetbrains.kotlin.name.StandardClassIds
 import org.jetbrains.kotlin.name.StandardClassIds.Annotations.ParameterNames
 import org.jetbrains.kotlin.resolve.UseSiteTargetsList
 import org.jetbrains.kotlin.resolve.checkers.OptInNames
 
-fun FirRegularClass.getRetention(session: FirSession): AnnotationRetention {
-    return getRetentionAnnotation(session)?.getRetention() ?: AnnotationRetention.RUNTIME
-}
-
-private fun FirAnnotation.getRetention(): AnnotationRetention? {
-    val propertyAccess = findArgumentByName(ParameterNames.retentionValue) as? FirQualifiedAccessExpression
-    val callableId = propertyAccess?.calleeReference?.toResolvedEnumEntrySymbol()?.callableId ?: return null
-
-    if (callableId.classId != StandardClassIds.AnnotationRetention) {
-        return null
-    }
-
-    return AnnotationRetention.values().firstOrNull { it.name == callableId.callableName.asString() }
-}
-
 private val defaultAnnotationTargets = KotlinTarget.DEFAULT_TARGET_SET
 
 fun FirAnnotation.getAllowedAnnotationTargets(session: FirSession): Set<KotlinTarget> {
@@ -89,10 +76,6 @@ fun FirClassLikeSymbol<*>.getAllowedAnnotationTargets(session: FirSession): Set<
     }
 }
 
-fun FirDeclaration.getRetentionAnnotation(session: FirSession): FirAnnotation? {
-    return getAnnotationByClassId(StandardClassIds.Annotations.Retention, session)
-}
-
 fun FirDeclaration.getTargetAnnotation(session: FirSession): FirAnnotation? {
     return getAnnotationByClassId(StandardClassIds.Annotations.Target, session)
 }

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirAnnotationClassDeclarationChecker.kt

@@ -18,6 +18,8 @@ import org.jetbrains.kotlin.fir.analysis.checkers.*
 import org.jetbrains.kotlin.fir.analysis.checkers.context.CheckerContext
 import org.jetbrains.kotlin.fir.analysis.diagnostics.*
 import org.jetbrains.kotlin.fir.analysis.diagnostics.FirErrors.CYCLE_IN_ANNOTATION_PARAMETER
+import org.jetbrains.kotlin.fir.analysis.getRetention
+import org.jetbrains.kotlin.fir.analysis.getRetentionAnnotation
 import org.jetbrains.kotlin.fir.declarations.*
 import org.jetbrains.kotlin.fir.declarations.utils.isLocal
 import org.jetbrains.kotlin.fir.declarations.utils.isSynthetic

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirOptInAnnotationClassChecker.kt

@@ -12,6 +12,8 @@ import org.jetbrains.kotlin.fir.analysis.checkers.context.CheckerContext
 import org.jetbrains.kotlin.diagnostics.DiagnosticReporter
 import org.jetbrains.kotlin.fir.analysis.diagnostics.FirErrors
 import org.jetbrains.kotlin.diagnostics.reportOn
+import org.jetbrains.kotlin.fir.analysis.getRetention
+import org.jetbrains.kotlin.fir.analysis.getRetentionAnnotation
 import org.jetbrains.kotlin.fir.declarations.FirRegularClass
 import org.jetbrains.kotlin.fir.declarations.getAnnotationByClassId
 import org.jetbrains.kotlin.resolve.checkers.OptInDescription

compiler/fir/semantics/src/org/jetbrains/kotlin/fir/analysis/FirRetentionAnnotationHelpers.kt

@@ -0,0 +1,35 @@
+/*
+ * 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.
+ */
+
+package org.jetbrains.kotlin.fir.analysis
+
+import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.declarations.FirDeclaration
+import org.jetbrains.kotlin.fir.declarations.FirRegularClass
+import org.jetbrains.kotlin.fir.declarations.findArgumentByName
+import org.jetbrains.kotlin.fir.declarations.getAnnotationByClassId
+import org.jetbrains.kotlin.fir.expressions.FirAnnotation
+import org.jetbrains.kotlin.fir.expressions.FirQualifiedAccessExpression
+import org.jetbrains.kotlin.fir.references.toResolvedEnumEntrySymbol
+import org.jetbrains.kotlin.name.StandardClassIds
+
+fun FirRegularClass.getRetention(session: FirSession): AnnotationRetention {
+    return getRetentionAnnotation(session)?.getRetention() ?: AnnotationRetention.RUNTIME
+}
+
+fun FirAnnotation.getRetention(): AnnotationRetention? {
+    val propertyAccess = findArgumentByName(StandardClassIds.Annotations.ParameterNames.retentionValue) as? FirQualifiedAccessExpression
+    val callableId = propertyAccess?.calleeReference?.toResolvedEnumEntrySymbol()?.callableId ?: return null
+
+    if (callableId.classId != StandardClassIds.AnnotationRetention) {
+        return null
+    }
+
+    return AnnotationRetention.entries.firstOrNull { it.name == callableId.callableName.asString() }
+}
+
+fun FirDeclaration.getRetentionAnnotation(session: FirSession): FirAnnotation? {
+    return getAnnotationByClassId(StandardClassIds.Annotations.Retention, session)
+}