[FIR] Partial implementation of DEPRECATION(_ERROR) diagnostics

No support for inheritance deprecations
and deprecations in qualifier's parts

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

@@ -212,6 +212,7 @@ class JavaSymbolProvider(
         parentClassEffectiveVisibilityCache.remove(classSymbol)
         firJavaClass.convertSuperTypes(javaClass, javaTypeParameterStack)
         firJavaClass.addAnnotationsFrom(this@JavaSymbolProvider.session, javaClass, javaTypeParameterStack)
+        firJavaClass.replaceDeprecation(firJavaClass.getDeprecationInfos(session.languageVersionSettings.apiVersion))
         return firJavaClass
     }
 

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/declarations/FirJavaClass.kt

@@ -47,6 +47,7 @@ class FirJavaClass @FirImplementationDetail internal constructor(
 ) : FirRegularClass() {
     override val hasLazyNestedClassifiers: Boolean get() = true
     override val controlFlowGraphReference: FirControlFlowGraphReference? get() = null
+    override var deprecation: DeprecationsPerUseSite? = null
 
     init {
         symbol.bind(this)
@@ -69,6 +70,10 @@ class FirJavaClass @FirImplementationDetail internal constructor(
         resolvePhase = newResolvePhase
     }
 
+    override fun replaceDeprecation(newDeprecation: DeprecationsPerUseSite?) {
+        deprecation = newDeprecation
+    }
+
     override fun replaceControlFlowGraphReference(newControlFlowGraphReference: FirControlFlowGraphReference?) {}
 
     override fun <R, D> acceptChildren(visitor: FirVisitor<R, D>, data: D) {

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/declarations/FirJavaConstructor.kt

@@ -41,6 +41,7 @@ class FirJavaConstructor @FirImplementationDetail constructor(
     override val dispatchReceiverType: ConeKotlinType?,
 ) : FirConstructor() {
     override val receiverTypeRef: FirTypeRef? get() = null
+    override var deprecation: DeprecationsPerUseSite? = null
 
     init {
         symbol.bind(this)
@@ -132,6 +133,9 @@ class FirJavaConstructor @FirImplementationDetail constructor(
     }
 
     override fun replaceReceiverTypeRef(newReceiverTypeRef: FirTypeRef?) {}
+    override fun replaceDeprecation(newDeprecation: DeprecationsPerUseSite?) {
+        deprecation = newDeprecation
+    }
 
     override fun replaceControlFlowGraphReference(newControlFlowGraphReference: FirControlFlowGraphReference?) {}
 

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/declarations/FirJavaField.kt

@@ -15,6 +15,7 @@ import org.jetbrains.kotlin.fir.declarations.*
 import org.jetbrains.kotlin.fir.declarations.builder.FirFieldBuilder
 import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
 import org.jetbrains.kotlin.fir.expressions.FirExpression
+import org.jetbrains.kotlin.fir.languageVersionSettings
 import org.jetbrains.kotlin.fir.symbols.impl.FirFieldSymbol
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.fir.types.FirTypeRef
@@ -59,6 +60,9 @@ class FirJavaField @FirImplementationDetail constructor(
 
     override val annotations: List<FirAnnotationCall> by lazy { annotationBuilder() }
 
+    override val deprecation: DeprecationsPerUseSite by lazy {
+        annotations.getDeprecationInfosFromAnnotations(moduleData.session.languageVersionSettings.apiVersion, fromJava = true)
+    }
 
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirField {
         returnTypeRef = returnTypeRef.transformSingle(transformer, data)
@@ -134,6 +138,8 @@ class FirJavaField @FirImplementationDetail constructor(
 
     override fun replaceReceiverTypeRef(newReceiverTypeRef: FirTypeRef?) {}
 
+    override fun replaceDeprecation(newDeprecation: DeprecationsPerUseSite?) {}
+
     override fun <D> transformDelegate(transformer: FirTransformer<D>, data: D): FirField {
         return this
     }

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/declarations/FirJavaMethod.kt

@@ -84,6 +84,9 @@ class FirJavaMethod @FirImplementationDetail constructor(
 
     override val annotations: List<FirAnnotationCall> by lazy { annotationBuilder() }
 
+    //not used actually, because get 'enhanced' into regular FirSimpleFunction
+    override var deprecation: DeprecationsPerUseSite? = null
+
     override fun <R, D> acceptChildren(visitor: FirVisitor<R, D>, data: D) {
         returnTypeRef.accept(visitor, data)
         receiverTypeRef?.accept(visitor, data)
@@ -156,6 +159,10 @@ class FirJavaMethod @FirImplementationDetail constructor(
     override fun replaceReceiverTypeRef(newReceiverTypeRef: FirTypeRef?) {
     }
 
+    override fun replaceDeprecation(newDeprecation: DeprecationsPerUseSite?) {
+        deprecation = newDeprecation
+    }
+
     override fun replaceControlFlowGraphReference(newControlFlowGraphReference: FirControlFlowGraphReference?) {
         controlFlowGraphReference = newControlFlowGraphReference
     }
@@ -194,6 +201,13 @@ class FirJavaMethodBuilder : FirFunctionBuilder, FirTypeParametersOwnerBuilder,
     override var resolvePhase: FirResolvePhase = FirResolvePhase.ANALYZED_DEPENDENCIES
     lateinit var annotationBuilder: () -> List<FirAnnotationCall>
 
+    @Deprecated("Modification of 'deprecation' has no impact for FirJavaFunctionBuilder", level = DeprecationLevel.HIDDEN)
+    override var deprecation: DeprecationsPerUseSite?
+        get() = throw IllegalStateException()
+        set(_) {
+            throw IllegalStateException()
+        }
+
     @Deprecated("Modification of 'containerSource' has no impact for FirJavaFunctionBuilder", level = DeprecationLevel.HIDDEN)
     override var containerSource: DeserializedContainerSource?
         get() = throw IllegalStateException()
@@ -222,7 +236,7 @@ class FirJavaMethodBuilder : FirFunctionBuilder, FirTypeParametersOwnerBuilder,
             status,
             symbol,
             annotationBuilder,
-            dispatchReceiverType,
+            dispatchReceiverType
         )
     }
 }

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/declarations/FirJavaValueParameter.kt

@@ -63,6 +63,9 @@ class FirJavaValueParameter @FirImplementationDetail constructor(
     override val receiverTypeRef: FirTypeRef?
         get() = null
 
+    override val deprecation: DeprecationsPerUseSite
+        get() = EmptyDeprecationsPerUseSite
+
     override val initializer: FirExpression?
         get() = null
 
@@ -155,6 +158,10 @@ class FirJavaValueParameter @FirImplementationDetail constructor(
     override fun replaceReceiverTypeRef(newReceiverTypeRef: FirTypeRef?) {
     }
 
+    override fun replaceDeprecation(newDeprecation: DeprecationsPerUseSite?) {
+
+    }
+
     override fun replaceInitializer(newInitializer: FirExpression?) {
     }
 

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/deserialization/KotlinDeserializedJvmSymbolsProvider.kt

@@ -13,10 +13,9 @@ import org.jetbrains.kotlin.fir.caches.*
 import org.jetbrains.kotlin.fir.declarations.*
 import org.jetbrains.kotlin.fir.deserialization.*
 import org.jetbrains.kotlin.fir.expressions.*
-import org.jetbrains.kotlin.fir.expressions.builder.*
 import org.jetbrains.kotlin.fir.java.JavaSymbolProvider
 import org.jetbrains.kotlin.fir.java.topLevelName
-import org.jetbrains.kotlin.fir.resolve.providers.*
+import org.jetbrains.kotlin.fir.languageVersionSettings
 import org.jetbrains.kotlin.fir.scopes.FirKotlinScopeProvider
 import org.jetbrains.kotlin.fir.symbols.impl.*
 import org.jetbrains.kotlin.load.java.JavaClassFinder
@@ -140,6 +139,7 @@ class KotlinDeserializedJvmSymbolsProvider(
             kotlinClass.byteContent,
         )
         (symbol.fir.annotations as MutableList<FirAnnotationCall>) += annotations
+        symbol.fir.replaceDeprecation(symbol.fir.getDeprecationInfos(session.languageVersionSettings.apiVersion))
     }
 
     private fun readClassFromClassFile(classId: ClassId, classFile: KotlinClassFinder.Result.ClassFileContent): FirRegularClassSymbol? {

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/enhancement/SignatureEnhancement.kt

@@ -149,6 +149,7 @@ class FirSignatureEnhancement(
                     delegateGetter = enhancedGetterSymbol.fir as FirSimpleFunction
                     delegateSetter = enhancedSetterSymbol?.fir as FirSimpleFunction?
                     status = firElement.status
+                    deprecation = getDeprecationsFromAccessors(delegateGetter, delegateSetter, session.languageVersionSettings.apiVersion)
                 }.symbol
             }
             else -> {
@@ -294,6 +295,7 @@ class FirSignatureEnhancement(
             else -> throw AssertionError("Unknown Java method to enhance: ${firMethod.render()}")
         }.apply {
             annotations += firMethod.annotations
+            deprecation = annotations.getDeprecationInfosFromAnnotations(session.languageVersionSettings.apiVersion, fromJava = true)
         }.build()
 
         return function.symbol

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaClassUseSiteMemberScope.kt

@@ -77,6 +77,7 @@ class JavaClassUseSiteMemberScope(
                 delegateGetter = getterSymbol.fir
                 delegateSetter = setterSymbol?.fir
                 status = getterSymbol.fir.status.copy(newModality = chooseModalityForAccessor(property, delegateGetter))
+                deprecation = getDeprecationsFromAccessors(delegateGetter, delegateSetter, session.languageVersionSettings.apiVersion)
             }.symbol
         }
     }