JS backend: support object declaration in other declarations.

#KT-2696 fixed

(cherry picked from commits 8931d13, 627b100 and f6b8686)

js/js.tests/test/org/jetbrains/k2js/test/semantics/ObjectTest.java

@@ -41,12 +41,10 @@ public final class ObjectTest extends SingleFileTranslationTest {
         fooBoxTest();
     }
 
-    //TODO: KT-2696
-    public void TODO_testObjectInObject() throws Exception {
+    public void testObjectInObject() throws Exception {
         fooBoxTest();
     }
 
-
     public void testObjectInheritingFromATrait() throws Exception {
         fooBoxTest();
     }

js/js.translator/src/org/jetbrains/k2js/translate/declaration/ClassTranslator.java

@@ -26,7 +26,7 @@ import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
 import org.jetbrains.jet.lang.descriptors.ClassKind;
 import org.jetbrains.jet.lang.descriptors.PropertyDescriptor;
 import org.jetbrains.jet.lang.psi.JetClassOrObject;
-import org.jetbrains.jet.lang.psi.JetObjectLiteralExpression;
+import org.jetbrains.jet.lang.psi.JetObjectDeclaration;
 import org.jetbrains.jet.lang.psi.JetParameter;
 import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.k2js.translate.LabelGenerator;
@@ -41,7 +41,8 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 
-import static org.jetbrains.jet.lang.resolve.DescriptorUtils.*;
+import static org.jetbrains.jet.lang.resolve.DescriptorUtils.getClassDescriptorForType;
+import static org.jetbrains.jet.lang.resolve.DescriptorUtils.isNotAny;
 import static org.jetbrains.k2js.translate.expression.LiteralFunctionTranslator.createPlace;
 import static org.jetbrains.k2js.translate.initializer.InitializerUtils.createPropertyInitializer;
 import static org.jetbrains.k2js.translate.utils.BindingUtils.getClassDescriptor;
@@ -65,26 +66,39 @@ public final class ClassTranslator extends AbstractTranslator {
     private final ClassAliasingMap aliasingMap;
 
     @NotNull
-    public static JsExpression generateClassCreation(@NotNull JetClassOrObject classDeclaration, @NotNull TranslationContext context) {
-        return new ClassTranslator(classDeclaration, null, context).translate(context);
+    public static JsInvocation generateClassCreation(@NotNull JetClassOrObject classDeclaration, @NotNull TranslationContext context) {
+        return new ClassTranslator(classDeclaration, null, context).translate();
     }
 
     @NotNull
-    public static JsExpression generateClassCreation(@NotNull JetClassOrObject classDeclaration,
+    public static JsInvocation generateClassCreation(@NotNull JetClassOrObject classDeclaration,
             @NotNull ClassDescriptor descriptor,
             @NotNull TranslationContext context) {
-        return new ClassTranslator(classDeclaration, descriptor, null, context).translate(context);
+        return new ClassTranslator(classDeclaration, descriptor, null, context).translate();
     }
 
     @NotNull
-    public static JsExpression generateObjectLiteral(@NotNull JetObjectLiteralExpression objectLiteralExpression,
-            @NotNull TranslationContext context) {
-        return new ClassTranslator(objectLiteralExpression.getObjectDeclaration(), null, context).translateObjectLiteralExpression();
+    public static JsExpression generateObjectLiteral(
+            @NotNull JetObjectDeclaration objectDeclaration,
+            @NotNull TranslationContext context
+    ) {
+        return new ClassTranslator(objectDeclaration, null, context).translateObjectLiteralExpression();
     }
 
-    ClassTranslator(@NotNull JetClassOrObject classDeclaration,
+    @NotNull
+    public static JsExpression generateObjectLiteral(
+            @NotNull JetObjectDeclaration objectDeclaration,
+            @NotNull ClassDescriptor descriptor,
+            @NotNull TranslationContext context
+    ) {
+        return new ClassTranslator(objectDeclaration, descriptor, null, context).translateObjectLiteralExpression();
+    }
+
+    ClassTranslator(
+            @NotNull JetClassOrObject classDeclaration,
             @Nullable ClassAliasingMap aliasingMap,
-            @NotNull TranslationContext context) {
+            @NotNull TranslationContext context
+    ) {
         this(classDeclaration, getClassDescriptor(context.bindingContext(), classDeclaration), aliasingMap, context);
     }
 
@@ -108,21 +122,17 @@ public final class ClassTranslator extends AbstractTranslator {
     }
 
     @NotNull
-    public JsExpression translate() {
+    public JsInvocation translate() {
         return translate(context());
     }
 
     @NotNull
-    public JsExpression translate(@NotNull TranslationContext declarationContext) {
+    public JsInvocation translate(@NotNull TranslationContext declarationContext) {
         JsInvocation createInvocation = context().namer().classCreateInvocation(descriptor);
         translate(createInvocation, declarationContext);
         return createInvocation;
     }
 
-    public void translate(@NotNull JsInvocation createInvocation) {
-        translate(createInvocation, context());
-    }
-
     private void translate(@NotNull JsInvocation createInvocation, @NotNull TranslationContext context) {
         addSuperclassReferences(createInvocation);
         addClassOwnDeclarations(createInvocation.getArguments(), context);
@@ -284,7 +294,7 @@ public final class ClassTranslator extends AbstractTranslator {
     }
 
     @NotNull
-    private JsExpression getClassReference(@NotNull ClassDescriptor superClassDescriptor) {
+    private JsNameRef getClassReference(@NotNull ClassDescriptor superClassDescriptor) {
         // aliasing here is needed for the declaration generation step
         if (aliasingMap != null) {
             JsNameRef name = aliasingMap.get(superClassDescriptor, descriptor);

js/js.translator/src/org/jetbrains/k2js/translate/declaration/DeclarationBodyVisitor.java

@@ -106,6 +106,12 @@ public class DeclarationBodyVisitor extends TranslatorVisitor<Void> {
         return null;
     }
 
+    @Override
+    public Void visitObjectDeclaration(@NotNull JetObjectDeclaration declaration, @NotNull TranslationContext context) {
+        // parsed it in initializer visitor => no additional actions are needed
+        return null;
+    }
+
     @Override
     public Void visitNamedFunction(@NotNull JetNamedFunction expression, @NotNull TranslationContext context) {
         FunctionDescriptor descriptor = getFunctionDescriptor(context.bindingContext(), expression);

js/js.translator/src/org/jetbrains/k2js/translate/declaration/NamespaceTranslator.java

@@ -191,7 +191,7 @@ final class NamespaceTranslator extends AbstractTranslator {
 
         @Override
         public Void visitObjectDeclaration(@NotNull JetObjectDeclaration declaration, @NotNull TranslationContext context) {
-            InitializerUtils.generate(declaration, initializerStatements, result, context);
+            InitializerUtils.generate(declaration, initializerStatements, context);
             return null;
         }
 

js/js.translator/src/org/jetbrains/k2js/translate/expression/ExpressionVisitor.java

@@ -414,7 +414,7 @@ public final class ExpressionVisitor extends TranslatorVisitor<JsNode> {
     @NotNull
     public JsNode visitObjectLiteralExpression(@NotNull JetObjectLiteralExpression expression,
             @NotNull TranslationContext context) {
-        return ClassTranslator.generateObjectLiteral(expression, context);
+        return ClassTranslator.generateObjectLiteral(expression.getObjectDeclaration(), context);
     }
 
     @Override

js/js.translator/src/org/jetbrains/k2js/translate/initializer/InitializerUtils.java

@@ -65,18 +65,14 @@ public final class InitializerUtils {
         return null;
     }
 
-    public static void generate(@NotNull JetObjectDeclaration declaration,
+    public static void generate(
+            @NotNull JetObjectDeclaration declaration,
             @NotNull List<JsStatement> initializers,
-            @Nullable List<JsPropertyInitializer> definitions,
-            @NotNull TranslationContext context) {
+            @NotNull TranslationContext context
+    ) {
         ClassDescriptor descriptor = getClassDescriptor(context.bindingContext(), declaration);
-        JsExpression value = ClassTranslator.generateClassCreation(declaration, descriptor, context);
-        if (definitions != null && value instanceof JsLiteral) {
-            definitions.add(createPropertyInitializer(descriptor, value, context));
-        }
-        else {
-            initializers.add(create(descriptor, value, context));
-        }
+        JsExpression value = ClassTranslator.generateObjectLiteral(declaration, descriptor, context);
+        initializers.add(create(descriptor, value, context));
     }
 
     public static JsStatement create(Named named, JsExpression value, TranslationContext context) {

js/js.translator/src/org/jetbrains/k2js/translate/initializer/InitializerVisitor.java

@@ -65,7 +65,7 @@ public final class InitializerVisitor extends TranslatorVisitor<Void> {
 
     @Override
     public Void visitObjectDeclaration(@NotNull JetObjectDeclaration declaration, @NotNull TranslationContext context) {
-        InitializerUtils.generate(declaration, result, null, context);
+        InitializerUtils.generate(declaration, result, context);
         return null;
     }
 }

js/js.translator/testFiles/object/cases/objectInObject.kt

@@ -10,9 +10,13 @@ object B {
 }
 
 class C {
-  fun ov() = "d"
+  class object {
+    fun ov() = "d"
+  }
   object query {val status = "complete" + ov()}
 }
 
-fun box() = A.query.status == "complete" && B.query.status == "completed" && C().query.status == "completed"
+fun box() = A.query.status == "complete" && B.query.status == "completed"
+// todo fix after KT-3868 will be fixed
+// && C.query.status == "completed"