Refactoring: move SamConversionOracle to core

2020-01-27 10:23:44 +03:00
parent 6c4f5ea9c9
commit 4e3c27c4ec
4 changed files with 28 additions and 18 deletions
@@ -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
+    }
+}