[AA K2] implement symbol pointers for receiver parameter

^KT-54311

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/components/KtFirSymbolContainingDeclarationProvider.kt

@@ -31,6 +31,10 @@ internal class KtFirSymbolContainingDeclarationProvider(
     override val token: KtLifetimeToken
 ) : KtSymbolContainingDeclarationProvider(), KtFirAnalysisSessionComponent {
     override fun getContainingDeclaration(symbol: KtSymbol): KtDeclarationSymbol? {
+        if (symbol is KtReceiverParameterSymbol) {
+            return symbol.owningCallableSymbol
+        }
+
         if (symbol !is KtDeclarationSymbol) return null
         if (symbol is KtSymbolWithKind && symbol.symbolKind == KtSymbolKind.TOP_LEVEL) return null
         fun getParentSymbolByPsi() = getContainingPsi(symbol).let { with(analysisSession) { it.getSymbol() } }

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/symbols/KtFirReceiverParameterSymbol.kt

@@ -1,22 +1,25 @@
 /*
- * Copyright 2010-2021 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.
  */
 
 package org.jetbrains.kotlin.analysis.api.fir.symbols
 
 import com.intellij.psi.PsiElement
-import org.jetbrains.kotlin.analysis.api.lifetime.KtLifetimeOwner
+import org.jetbrains.kotlin.analysis.api.analyze
 import org.jetbrains.kotlin.analysis.api.fir.KtSymbolByFirBuilder
 import org.jetbrains.kotlin.analysis.api.fir.findPsi
+import org.jetbrains.kotlin.analysis.api.fir.symbols.pointers.KtFirReceiverParameterSymbolPointer
+import org.jetbrains.kotlin.analysis.api.fir.symbols.pointers.requireOwnerPointer
 import org.jetbrains.kotlin.analysis.api.fir.utils.cached
+import org.jetbrains.kotlin.analysis.api.lifetime.KtLifetimeOwner
+import org.jetbrains.kotlin.analysis.api.lifetime.KtLifetimeToken
+import org.jetbrains.kotlin.analysis.api.lifetime.withValidityAssertion
+import org.jetbrains.kotlin.analysis.api.symbols.KtCallableSymbol
 import org.jetbrains.kotlin.analysis.api.symbols.KtReceiverParameterSymbol
 import org.jetbrains.kotlin.analysis.api.symbols.KtSymbolOrigin
 import org.jetbrains.kotlin.analysis.api.symbols.pointers.KtSymbolPointer
-import org.jetbrains.kotlin.analysis.api.lifetime.KtLifetimeToken
 import org.jetbrains.kotlin.analysis.api.types.KtType
-import org.jetbrains.kotlin.analysis.api.lifetime.withValidityAssertion
-import org.jetbrains.kotlin.analysis.api.symbols.KtCallableSymbol
 import org.jetbrains.kotlin.analysis.low.level.api.fir.api.LLFirResolveSession
 import org.jetbrains.kotlin.fir.symbols.impl.FirCallableSymbol
 
@@ -41,7 +44,7 @@ internal class KtFirReceiverParameterSymbol(
 
     override val origin: KtSymbolOrigin = withValidityAssertion { firSymbol.fir.ktSymbolOrigin() }
 
-    override fun createPointer(): KtSymbolPointer<KtFirReceiverParameterSymbol> = withValidityAssertion {
-        TODO("Probably just create a pointer based on the underlying declaration")
+    override fun createPointer(): KtSymbolPointer<KtReceiverParameterSymbol> = withValidityAssertion {
+        KtFirReceiverParameterSymbolPointer(owningCallableSymbol.createPointer())
     }
-}
+}

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/symbols/pointers/KtFirReceiverParameterSymbolPointer.kt

@@ -0,0 +1,27 @@
+/*
+ * 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.
+ */
+
+package org.jetbrains.kotlin.analysis.api.fir.symbols.pointers
+
+import org.jetbrains.kotlin.analysis.api.KtAnalysisSession
+import org.jetbrains.kotlin.analysis.api.fir.KtFirAnalysisSession
+import org.jetbrains.kotlin.analysis.api.fir.utils.firSymbol
+import org.jetbrains.kotlin.analysis.api.symbols.KtCallableSymbol
+import org.jetbrains.kotlin.analysis.api.symbols.KtReceiverParameterSymbol
+import org.jetbrains.kotlin.analysis.api.symbols.pointers.KtSymbolPointer
+
+internal class KtFirReceiverParameterSymbolPointer(
+    private val ownerPointer: KtSymbolPointer<KtCallableSymbol>,
+) : KtSymbolPointer<KtReceiverParameterSymbol>() {
+    @Deprecated("Consider using org.jetbrains.kotlin.analysis.api.KtAnalysisSession.restoreSymbol")
+    override fun restoreSymbol(analysisSession: KtAnalysisSession): KtReceiverParameterSymbol? {
+        require(analysisSession is KtFirAnalysisSession)
+        val callableSymbol = with(analysisSession) {
+            ownerPointer.restoreSymbol()
+        } ?: return null
+
+        return analysisSession.firSymbolBuilder.callableBuilder.buildExtensionReceiverSymbol(callableSymbol.firSymbol)
+    }
+}

analysis/analysis-api/testData/symbols/symbolByReference/functionReceiverParameter.kt

@@ -1,5 +1,3 @@
-// DO_NOT_CHECK_SYMBOL_RESTORE_K2
-
 annotation class ReceiverAnnotation
 @Target(AnnotationTarget.TYPE)
 annotation class ReceiverTypeAnnotation

analysis/analysis-api/testData/symbols/symbolByReference/propertyReceiverParameter.kt

@@ -1,8 +1,6 @@
-// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE
+// DO_NOT_CHECK_NON_PSI_SYMBOL_RESTORE_K1
 annotation class ReceiverAnnotation
 @Target(AnnotationTarget.TYPE)
 annotation class ReceiverTypeAnnotation
 
 val @receiver:ReceiverAnnotation @ReceiverTypeAnnotation Long.prop: Boolean get() = { t<caret>his == 1 }
-
-// DO_NOT_CHECK_SYMBOL_RESTORE_K2