Refactoring: move SamConversionOracle to core

compiler/frontend.java/src/org/jetbrains/kotlin/load/java/sam/JvmSamConversionOracle.kt

@@ -13,7 +13,7 @@ import org.jetbrains.kotlin.descriptors.FunctionDescriptor
 import org.jetbrains.kotlin.descriptors.impl.TypeAliasConstructorDescriptor
 import org.jetbrains.kotlin.load.java.descriptors.JavaClassConstructorDescriptor
 import org.jetbrains.kotlin.load.java.descriptors.JavaClassDescriptor
-import org.jetbrains.kotlin.resolve.calls.components.SamConversionOracle
+import org.jetbrains.kotlin.resolve.sam.SamConversionOracle
 import org.jetbrains.kotlin.synthetic.hasJavaOriginInHierarchy
 import org.jetbrains.kotlin.types.KotlinType
 

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/components/ExternalComponents.kt

@@ -76,20 +76,3 @@ interface KotlinResolutionCallbacks {
 
     fun disableContractsIfNecessary(resolvedAtom: ResolvedCallAtom)
 }
-
-@DefaultImplementation(impl = SamConversionOracleDefault::class)
-interface SamConversionOracle {
-    fun shouldRunSamConversionForFunction(candidate: CallableDescriptor): Boolean
-    fun isPossibleSamType(samType: KotlinType): Boolean
-}
-
-class SamConversionOracleDefault(private val languageVersionSettings: LanguageVersionSettings) : SamConversionOracle {
-    override fun shouldRunSamConversionForFunction(candidate: CallableDescriptor): Boolean {
-        return languageVersionSettings.supportsFeature(LanguageFeature.SamConversionForKotlinFunctions)
-    }
-
-    override fun isPossibleSamType(samType: KotlinType): Boolean {
-        val descriptor = samType.constructor.declarationDescriptor
-        return descriptor is ClassDescriptor && descriptor.isFun
-    }
-}

compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/model/KotlinResolverContext.kt

@@ -28,6 +28,7 @@ import org.jetbrains.kotlin.resolve.calls.inference.model.ConstraintStorage
 import org.jetbrains.kotlin.resolve.calls.tasks.ExplicitReceiverKind
 import org.jetbrains.kotlin.resolve.calls.tower.*
 import org.jetbrains.kotlin.resolve.descriptorUtil.hasDynamicExtensionAnnotation
+import org.jetbrains.kotlin.resolve.sam.SamConversionOracle
 import org.jetbrains.kotlin.resolve.sam.SamConversionResolver
 import org.jetbrains.kotlin.resolve.scopes.receivers.ReceiverValueWithSmartCastInfo
 import org.jetbrains.kotlin.types.ErrorUtils

core/descriptors/src/org/jetbrains/kotlin/resolve/sam/SamConversionOracle.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-2020 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.resolve.sam
+
+import org.jetbrains.kotlin.container.DefaultImplementation
+import org.jetbrains.kotlin.descriptors.CallableDescriptor
+import org.jetbrains.kotlin.descriptors.ClassDescriptor
+import org.jetbrains.kotlin.types.KotlinType
+
+@DefaultImplementation(impl = SamConversionOracleDefault::class)
+interface SamConversionOracle {
+    fun shouldRunSamConversionForFunction(candidate: CallableDescriptor): Boolean
+    fun isPossibleSamType(samType: KotlinType): Boolean
+}
+
+class SamConversionOracleDefault : SamConversionOracle {
+    override fun shouldRunSamConversionForFunction(candidate: CallableDescriptor): Boolean = true
+
+    override fun isPossibleSamType(samType: KotlinType): Boolean {
+        val descriptor = samType.constructor.declarationDescriptor
+        return descriptor is ClassDescriptor && descriptor.isFun
+    }
+}