JS inliner: Don't treat 'bar' as unused in the presence of 'bar.call' expressions

compiler/testData/codegen/boxInline/noInline/noInline.kt

@@ -5,6 +5,8 @@ inline fun calc(s: (Int) -> Int, noinline p: (Int) -> Int) : Int {
     return s(11) + z(11) + p(11)
 }
 
+inline fun extensionLambda(noinline bar: Int.() -> Int) = 10.bar()
+
 // FILE: 2.kt
 
 //NO_CHECK_LAMBDA_INLINING
@@ -12,9 +14,13 @@ fun test1(): Int {
     return calc( { l: Int -> 2*l},  { l: Int -> 4*l})
 }
 
+fun test2(): Int {
+    return extensionLambda({this * 16})
+}
 
 fun box(): String {
     if (test1() != 110) return "test1: ${test1()}"
+    if (test2() != 160) return "test2: ${test2()}"
 
     return "OK"
 }

generators/src/org/jetbrains/kotlin/generators/tests/GenerateTests.kt

@@ -130,10 +130,6 @@ import org.jetbrains.kotlin.j2k.AbstractJavaToKotlinConverterSingleFileTest
 import org.jetbrains.kotlin.jps.build.*
 import org.jetbrains.kotlin.jps.build.android.AbstractAndroidJpsTestCase
 import org.jetbrains.kotlin.jps.incremental.AbstractProtoComparisonTest
-import org.jetbrains.kotlin.js.test.semantics.AbstractBoxJsTest
-import org.jetbrains.kotlin.js.test.semantics.AbstractJsCodegenBoxTest
-import org.jetbrains.kotlin.js.test.semantics.AbstractNonLocalReturnsTest
-import org.jetbrains.kotlin.js.test.semantics.AbstractPropertyAccessorsInlineTests
 import org.jetbrains.kotlin.jvm.compiler.*
 import org.jetbrains.kotlin.jvm.runtime.AbstractJvm8RuntimeDescriptorLoaderTest
 import org.jetbrains.kotlin.jvm.runtime.AbstractJvmRuntimeDescriptorLoaderTest
@@ -158,6 +154,7 @@ import org.jetbrains.kotlin.shortenRefs.AbstractShortenRefsTest
 import org.jetbrains.kotlin.test.TargetBackend
 import org.jetbrains.kotlin.types.AbstractTypeBindingTest
 import org.jetbrains.kotlin.android.lint.AbstractKotlinLintTest
+import org.jetbrains.kotlin.js.test.semantics.*
 import java.io.File
 import java.lang.IllegalArgumentException
 import java.util.*
@@ -1193,6 +1190,10 @@ fun main(args: Array<String>) {
         testClass<AbstractPropertyAccessorsInlineTests>() {
             model("codegen/boxInline/property/", targetBackend = TargetBackend.JS)
         }
+
+        testClass<AbstractNoInlineTests>() {
+            model("codegen/boxInline/noInline/", targetBackend = TargetBackend.JS)
+        }
     }
 }
 

js/js.inliner/src/org/jetbrains/kotlin/js/inline/clean/removeUnusedLocalFunctionDeclarations.kt

@@ -62,12 +62,11 @@ private class UnusedInstanceCollector : JsVisitorWithContextImpl() {
     }
 
     override fun visit(x: JsNameRef, ctx: JsContext<*>): Boolean {
-        val name = x.name
-
-        if (name != null) {
-            tracker.markReachable(name)
+        var q: JsNameRef? = x
+        while (q != null) {
+            q.name?.let { tracker.markReachable(it) }
+            q = q.qualifier as? JsNameRef
         }
-
         return false
     }
 

js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/NoInlineTestsGenerated.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright 2010-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.js.test.semantics;
+
+import com.intellij.testFramework.TestDataPath;
+import org.jetbrains.kotlin.test.JUnit3RunnerWithInners;
+import org.jetbrains.kotlin.test.KotlinTestUtils;
+import org.jetbrains.kotlin.test.TargetBackend;
+import org.jetbrains.kotlin.test.TestMetadata;
+import org.junit.runner.RunWith;
+
+import java.io.File;
+import java.util.regex.Pattern;
+
+/** This class is generated by {@link org.jetbrains.kotlin.generators.tests.TestsPackage}. DO NOT MODIFY MANUALLY */
+@SuppressWarnings("all")
+@TestMetadata("compiler/testData/codegen/boxInline/noInline")
+@TestDataPath("$PROJECT_ROOT")
+@RunWith(JUnit3RunnerWithInners.class)
+public class NoInlineTestsGenerated extends AbstractNoInlineTests {
+    public void testAllFilesPresentInNoInline() throws Exception {
+        KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/codegen/boxInline/noInline"), Pattern.compile("^(.+)\\.kt$"), TargetBackend.JS, true);
+    }
+
+    @TestMetadata("extensionReceiver.kt")
+    public void testExtensionReceiver() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/boxInline/noInline/extensionReceiver.kt");
+        doTest(fileName);
+    }
+
+    @TestMetadata("lambdaAsGeneric.kt")
+    public void testLambdaAsGeneric() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/boxInline/noInline/lambdaAsGeneric.kt");
+        doTest(fileName);
+    }
+
+    @TestMetadata("lambdaAsNonFunction.kt")
+    public void testLambdaAsNonFunction() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/boxInline/noInline/lambdaAsNonFunction.kt");
+        doTest(fileName);
+    }
+
+    @TestMetadata("noInline.kt")
+    public void testNoInline() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/boxInline/noInline/noInline.kt");
+        doTest(fileName);
+    }
+
+    @TestMetadata("noInlineLambdaChain.kt")
+    public void testNoInlineLambdaChain() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/boxInline/noInline/noInlineLambdaChain.kt");
+        doTest(fileName);
+    }
+
+    @TestMetadata("noInlineLambdaChainWithCapturedInline.kt")
+    public void testNoInlineLambdaChainWithCapturedInline() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/boxInline/noInline/noInlineLambdaChainWithCapturedInline.kt");
+        doTest(fileName);
+    }
+
+    @TestMetadata("withoutInline.kt")
+    public void testWithoutInline() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/boxInline/noInline/withoutInline.kt");
+        doTest(fileName);
+    }
+}

js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/abstractClassesForGeneratedTests.kt

@@ -31,6 +31,8 @@ abstract class AbstractNonLocalReturnsTest : BorrowedInlineTest("nonLocalReturns
 
 abstract class AbstractPropertyAccessorsInlineTests : BorrowedInlineTest("property/")
 
+abstract class AbstractNoInlineTests : BorrowedInlineTest("noInline/")
+
 abstract class AbstractBoxJsTest() : BasicBoxTest(
         BasicBoxTest.TEST_DATA_DIR_PATH + "box/",
         BasicBoxTest.TEST_DATA_DIR_PATH + "out/box/"