Support val initialization in non-inline function with EXACTLY_ONCE effect

by generating a box for the value.
 #KT-26126 Fixed

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

@@ -3663,6 +3663,24 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
         }
     }
 
+    @TestMetadata("compiler/testData/codegen/box/contracts")
+    @TestDataPath("$PROJECT_ROOT")
+    @RunWith(JUnit3RunnerWithInners.class)
+    public static class Contracts extends AbstractIrJsCodegenBoxTest {
+        private void runTest(String testDataFilePath) throws Exception {
+            KotlinTestUtils.runTest0(this::doTest, TargetBackend.JS_IR, testDataFilePath);
+        }
+
+        public void testAllFilesPresentInContracts() throws Exception {
+            KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/codegen/box/contracts"), Pattern.compile("^(.+)\\.kt$"), TargetBackend.JS_IR, true);
+        }
+
+        @TestMetadata("exactlyOnceNotInline.kt")
+        public void testExactlyOnceNotInline() throws Exception {
+            runTest("compiler/testData/codegen/box/contracts/exactlyOnceNotInline.kt");
+        }
+    }
+
     @TestMetadata("compiler/testData/codegen/box/controlStructures")
     @TestDataPath("$PROJECT_ROOT")
     @RunWith(JUnit3RunnerWithInners.class)

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

@@ -64,6 +64,16 @@ public class IrJsInlineContractsTestsGenerated extends AbstractIrJsInlineContrac
         runTest("compiler/testData/codegen/boxInline/contracts/definiteValInitialization.kt");
     }
 
+    @TestMetadata("exactlyOnceCrossinline.kt")
+    public void testExactlyOnceCrossinline() throws Exception {
+        runTest("compiler/testData/codegen/boxInline/contracts/exactlyOnceCrossinline.kt");
+    }
+
+    @TestMetadata("exactlyOnceNoinline.kt")
+    public void testExactlyOnceNoinline() throws Exception {
+        runTest("compiler/testData/codegen/boxInline/contracts/exactlyOnceNoinline.kt");
+    }
+
     @TestMetadata("nonLocalReturn.kt")
     public void testNonLocalReturn() throws Exception {
         runTest("compiler/testData/codegen/boxInline/contracts/nonLocalReturn.kt");

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

@@ -3673,6 +3673,24 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
         }
     }
 
+    @TestMetadata("compiler/testData/codegen/box/contracts")
+    @TestDataPath("$PROJECT_ROOT")
+    @RunWith(JUnit3RunnerWithInners.class)
+    public static class Contracts extends AbstractJsCodegenBoxTest {
+        private void runTest(String testDataFilePath) throws Exception {
+            KotlinTestUtils.runTest0(this::doTest, TargetBackend.JS, testDataFilePath);
+        }
+
+        public void testAllFilesPresentInContracts() throws Exception {
+            KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("compiler/testData/codegen/box/contracts"), Pattern.compile("^(.+)\\.kt$"), TargetBackend.JS, true);
+        }
+
+        @TestMetadata("exactlyOnceNotInline.kt")
+        public void testExactlyOnceNotInline() throws Exception {
+            runTest("compiler/testData/codegen/box/contracts/exactlyOnceNotInline.kt");
+        }
+    }
+
     @TestMetadata("compiler/testData/codegen/box/controlStructures")
     @TestDataPath("$PROJECT_ROOT")
     @RunWith(JUnit3RunnerWithInners.class)

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

@@ -64,6 +64,16 @@ public class JsInlineContractsTestsGenerated extends AbstractJsInlineContractsTe
         runTest("compiler/testData/codegen/boxInline/contracts/definiteValInitialization.kt");
     }
 
+    @TestMetadata("exactlyOnceCrossinline.kt")
+    public void testExactlyOnceCrossinline() throws Exception {
+        runTest("compiler/testData/codegen/boxInline/contracts/exactlyOnceCrossinline.kt");
+    }
+
+    @TestMetadata("exactlyOnceNoinline.kt")
+    public void testExactlyOnceNoinline() throws Exception {
+        runTest("compiler/testData/codegen/boxInline/contracts/exactlyOnceNoinline.kt");
+    }
+
     @TestMetadata("nonLocalReturn.kt")
     public void testNonLocalReturn() throws Exception {
         runTest("compiler/testData/codegen/boxInline/contracts/nonLocalReturn.kt");

js/js.translator/src/org/jetbrains/kotlin/js/translate/expression/DestructuringDeclarationTranslator.java

@@ -1,17 +1,6 @@
 /*
- * Copyright 2010-2015 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.
+ * Copyright 2010-2018 JetBrains s.r.o. 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.js.translate.expression;
@@ -40,7 +29,7 @@ import java.util.List;
 
 import static org.jetbrains.kotlin.js.translate.context.Namer.getCapturedVarAccessor;
 import static org.jetbrains.kotlin.js.translate.utils.InlineUtils.setInlineCallMetadata;
-import static org.jetbrains.kotlin.resolve.BindingContextUtils.isVarCapturedInClosure;
+import static org.jetbrains.kotlin.resolve.BindingContextUtils.isBoxedLocalCapturedInClosure;
 
 public class DestructuringDeclarationTranslator extends AbstractTranslator {
 
@@ -87,7 +76,7 @@ public class DestructuringDeclarationTranslator extends AbstractTranslator {
             entryInitializer = TranslationUtils.coerce(context(), entryInitializer, descriptor.getType());
 
             JsName name = context().getNameForDescriptor(descriptor);
-            if (isVarCapturedInClosure(context().bindingContext(), descriptor)) {
+            if (isBoxedLocalCapturedInClosure(context().bindingContext(), descriptor)) {
                 JsNameRef alias = getCapturedVarAccessor(name.makeRef());
                 entryInitializer = JsAstUtils.wrapValue(alias, entryInitializer);
             }