[FIR] Add origin field to FirDeclaration

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

@@ -54,6 +54,8 @@ class FirJavaClass @FirImplementationDetail internal constructor(
         symbol.bind(this)
     }
 
+    override val origin: FirDeclarationOrigin
+        get() = FirDeclarationOrigin.Java
 
     override val companionObject: FirRegularClass?
         get() = null
@@ -179,6 +181,13 @@ internal class FirJavaClassBuilder : AbstractFirRegularClassBuilder, FirAnnotati
         set(value) {
             throw IllegalStateException()
         }
+
+    @Deprecated("Modification of 'origin' has no impact for FirJavaClassBuilder", level = DeprecationLevel.HIDDEN)
+    override var origin: FirDeclarationOrigin
+        get() = throw IllegalStateException()
+        set(value) {
+            throw IllegalStateException()
+        }
 }
 
 internal inline fun buildJavaClass(init: FirJavaClassBuilder.() -> Unit): FirJavaClass {

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

@@ -51,6 +51,9 @@ class FirJavaConstructor @FirImplementationDetail constructor(
     override val body: FirBlock?
         get() = null
 
+    override val origin: FirDeclarationOrigin
+        get() = FirDeclarationOrigin.Java
+
     override val controlFlowGraphReference: FirControlFlowGraphReference get() = FirEmptyControlFlowGraphReference
 
     override fun <D> transformValueParameters(transformer: FirTransformer<D>, data: D): FirJavaConstructor {
@@ -185,6 +188,13 @@ class FirJavaConstructorBuilder : FirConstructorBuilder() {
         set(value) {
             throw IllegalStateException()
         }
+
+    @Deprecated("Modification of 'origin' has no impact for FirJavaConstructorBuilder", level = DeprecationLevel.HIDDEN)
+    override var origin: FirDeclarationOrigin
+        get() = throw IllegalStateException()
+        set(value) {
+            throw IllegalStateException()
+        }
 }
 
 inline fun buildJavaConstructor(init: FirJavaConstructorBuilder.() -> Unit): FirJavaConstructor {

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

@@ -53,6 +53,9 @@ class FirJavaField @FirImplementationDetail constructor(
     override val getter: FirPropertyAccessor? get() = null
     override val setter: FirPropertyAccessor? get() = null
 
+    override val origin: FirDeclarationOrigin
+        get() = FirDeclarationOrigin.Java
+
     override fun <D> transformReturnTypeRef(transformer: FirTransformer<D>, data: D): FirField {
         returnTypeRef = returnTypeRef.transformSingle(transformer, data)
         return this
@@ -160,6 +163,13 @@ internal class FirJavaFieldBuilder : FirFieldBuilder() {
             isEnumEntry
         )
     }
+
+    @Deprecated("Modification of 'origin' has no impact for FirJavaFieldBuilder", level = DeprecationLevel.HIDDEN)
+    override var origin: FirDeclarationOrigin
+        get() = throw IllegalStateException()
+        set(value) {
+            throw IllegalStateException()
+        }
 }
 
 @OptIn(ExperimentalContracts::class)

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

@@ -58,6 +58,7 @@ class FirJavaMethod @FirImplementationDetail constructor(
     source,
     session,
     resolvePhase,
+    FirDeclarationOrigin.Java,
     returnTypeRef,
     receiverTypeRef,
     valueParameters,
@@ -82,6 +83,13 @@ class FirJavaMethodBuilder : FirSimpleFunctionBuilder() {
     var isStatic: Boolean by Delegates.notNull()
     override var resolvePhase: FirResolvePhase = FirResolvePhase.ANALYZED_DEPENDENCIES
 
+    @Deprecated("Modification of 'origin' has no impact for FirJavaFunctionBuilder", level = DeprecationLevel.HIDDEN)
+    override var origin: FirDeclarationOrigin
+        get() = throw IllegalStateException()
+        set(value) {
+            throw IllegalStateException()
+        }
+
     @OptIn(FirImplementationDetail::class)
     override fun build(): FirJavaMethod {
         val status = FirDeclarationStatusImpl(visibility, modality).apply {

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

@@ -9,6 +9,7 @@ import org.jetbrains.kotlin.fir.FirImplementationDetail
 import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.FirSourceElement
 import org.jetbrains.kotlin.fir.builder.FirBuilderDsl
+import org.jetbrains.kotlin.fir.declarations.FirDeclarationOrigin
 import org.jetbrains.kotlin.fir.declarations.FirResolvePhase
 import org.jetbrains.kotlin.fir.declarations.FirValueParameter
 import org.jetbrains.kotlin.fir.declarations.builder.FirValueParameterBuilder
@@ -36,6 +37,7 @@ class FirJavaValueParameter @FirImplementationDetail constructor(
     source,
     session,
     resolvePhase,
+    FirDeclarationOrigin.Java,
     returnTypeRef,
     name,
     symbol,
@@ -100,6 +102,12 @@ class FirJavaValueParameterBuilder : FirValueParameterBuilder() {
             throw IllegalStateException()
         }
 
+    @Deprecated("Modification of 'origin' has no impact for FirJavaValueParameterBuilder", level = DeprecationLevel.HIDDEN)
+    override var origin: FirDeclarationOrigin
+        get() = throw IllegalStateException()
+        set(value) {
+            throw IllegalStateException()
+        }
 }
 
 inline fun buildJavaValueParameter(init: FirJavaValueParameterBuilder.() -> Unit): FirJavaValueParameter {