[Common IR] Do inlining of callable references of inline functions

^KT-52805 Fixed
2022-07-27 09:33:51 +02:00
parent 3424e756ad
commit bb8da65188
21 changed files with 166 additions and 5 deletions
@@ -0,0 +1,41 @@
+typealias Callback = () -> Unit
+
+class CallbackComposer {
+    inline fun addTo(noinline block: Callback) {
+        asDynamic().push(block)
+    }
+}
+
+inline fun CallbackComposer.addToExtension(noinline block: Callback) {
+    asDynamic().push(block)
+}
+
+fun createCallbackBuilder(builder: CallbackComposer.() -> Unit): () -> Callback = {
+    val callbacks = arrayOf<Callback>()
+    builder(callbacks.unsafeCast<CallbackComposer>())
+
+    val composed: Callback = {
+        for (cb in callbacks) {
+            cb()
+        }
+    }
+    composed
+}
+
+var retVal = ""
+
+fun appendToRetVal(c: String): () -> Unit = {
+    retVal += c
+}
+
+fun box(): String {
+    val callbackBuilder = createCallbackBuilder {
+        appendToRetVal("O").also(::addTo)
+        appendToRetVal("K").also(::addToExtension)
+    }
+
+    val callback = callbackBuilder()
+    callback()
+
+    return retVal
+}