[FIR] introduce FirReceiverParameter

^KT-54417

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/BuilderConfigurator.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2022 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.
  */
 
@@ -60,7 +60,13 @@ object BuilderConfigurator : AbstractBuilderConfigurator<FirTreeBuilder>(FirTree
         val functionBuilder by builder {
             parents += declarationBuilder
             parents += annotationContainerBuilder
-            fields from function without listOf("symbol", "resolvePhase", "controlFlowGraphReference", "receiverTypeRef", "typeParameters")
+            fields from function without listOf(
+                "symbol",
+                "resolvePhase",
+                "controlFlowGraphReference",
+                "receiverParameter",
+                "typeParameters",
+            )
         }
 
         val loopJumpBuilder by builder {
@@ -112,6 +118,14 @@ object BuilderConfigurator : AbstractBuilderConfigurator<FirTreeBuilder>(FirTree
             withCopy()
         }
 
+        builder(annotation) {
+            withCopy()
+        }
+
+        builder(receiverParameter) {
+            withCopy()
+        }
+
         builder(annotationCall) {
             parents += callBuilder
             default("argumentList") {
@@ -120,6 +134,7 @@ object BuilderConfigurator : AbstractBuilderConfigurator<FirTreeBuilder>(FirTree
             default("argumentMapping", "FirEmptyAnnotationArgumentMapping")
             default("annotationTypeRef", "FirImplicitTypeRefImpl(null)")
             useTypes(emptyArgumentListType, emptyAnnotationArgumentMappingType, implicitTypeRefType)
+            withCopy()
         }
 
         builder(errorAnnotationCall) {
@@ -303,7 +318,7 @@ object BuilderConfigurator : AbstractBuilderConfigurator<FirTreeBuilder>(FirTree
         }
 
         builder(valueParameter, type = "FirDefaultSetterValueParameter") {
-            defaultNull("defaultValue", "initializer", "delegate", "receiverTypeRef", "getter", "setter")
+            defaultNull("defaultValue", "initializer", "delegate", "receiverParameter", "getter", "setter")
             defaultFalse("isCrossinline", "isNoinline", "isVararg", "isVar")
             defaultTrue("isVal")
         }

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/FieldSets.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2022 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.
  */
 
@@ -53,8 +53,6 @@ object FieldSets {
 
     val typeRefField = field(typeRef, withReplace = true)
 
-    fun receiverTypeRef(nullable: Boolean = false) = field("receiverTypeRef", typeRef, nullable)
-
     val valueParameters by lazy { fieldList(valueParameter) }
 
     val typeParameters by lazy { fieldList("typeParameters", typeParameter) }

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/FirTreeBuilder.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2022 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.
  */
 
@@ -40,6 +40,7 @@ object FirTreeBuilder : AbstractFirTreeBuilder() {
 
     val variable by sealedElement(Declaration, callableDeclaration, statement)
     val valueParameter by element(Declaration, variable, controlFlowGraphOwner)
+    val receiverParameter by element(Declaration, annotationContainer)
     val property by element(Declaration, variable, typeParametersOwner, controlFlowGraphOwner)
     val field by element(Declaration, variable, controlFlowGraphOwner)
     val enumEntry by element(Declaration, variable)

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/ImplementationConfigurator.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2022 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.
  */
 
@@ -219,7 +219,7 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
             defaultFalse("isVar", withGetter = true)
 
             defaultNull(
-                "receiverTypeRef",
+                "receiverParameter",
                 "initializer",
                 "delegate",
                 "getter", "setter",
@@ -236,13 +236,13 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
             }
             publicImplementation()
 
-            defaultNull("receiverTypeRef", "delegate", "getter", "setter", withGetter = true)
+            defaultNull("receiverParameter", "delegate", "getter", "setter", withGetter = true)
         }
 
         impl(enumEntry) {
             defaultTrue("isVal", withGetter = true)
             defaultFalse("isVar", withGetter = true)
-            defaultNull("receiverTypeRef", "delegate", "getter", "setter", withGetter = true)
+            defaultNull("receiverParameter", "delegate", "getter", "setter", withGetter = true)
         }
 
         impl(namedArgumentExpression) {
@@ -331,7 +331,7 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
         noImpl(anonymousFunctionExpression)
 
         impl(propertyAccessor) {
-            default("receiverTypeRef") {
+            default("receiverParameter") {
                 value = "null"
                 withGetter = true
             }
@@ -434,7 +434,7 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
         }
 
         impl(errorFunction) {
-            defaultNull("receiverTypeRef", "body", withGetter = true)
+            defaultNull("receiverParameter", "body", withGetter = true)
             default("returnTypeRef", "FirErrorTypeRefImpl(null, null, diagnostic, false)")
             useTypes(errorTypeRefImplType)
         }
@@ -469,7 +469,7 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
         impl(valueParameter) {
             defaultTrue("isVal", withGetter = true)
             defaultFalse("isVar", withGetter = true)
-            defaultNull("getter", "setter", "initializer", "delegate", "receiverTypeRef", withGetter = true)
+            defaultNull("getter", "setter", "initializer", "delegate", "receiverParameter", withGetter = true)
         }
 
         impl(valueParameter, "FirDefaultSetterValueParameter") {

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/NodeConfigurator.kt

@@ -88,7 +88,7 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
 
         callableDeclaration.configure {
             +field("returnTypeRef", typeRef, withReplace = true).withTransform()
-            +field("receiverTypeRef", typeRef, nullable = true, withReplace = true).withTransform()
+            +field("receiverParameter", receiverParameter, nullable = true, withReplace = true).withTransform()
             +field("deprecationsProvider", deprecationsProviderType).withReplace().apply { isMutable = true }
             +symbol("FirCallableSymbol", "out FirCallableDeclaration")
 
@@ -393,6 +393,11 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
             generateBooleanFields("crossinline", "noinline", "vararg")
         }
 
+        receiverParameter.configure {
+            +field("type", typeRef).withTransform()
+            +annotations
+        }
+
         variable.configure {
             +name
             +symbol("FirVariableSymbol", "out FirVariable")