JS backend: support secondary constructors in native classes

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

@@ -151,4 +151,8 @@ public final class NativeInteropTest extends SingleFileTranslationTest {
     public void testTypeof() throws Exception {
         checkFooBoxIsOk();
     }
+
+    public void testSecondaryConstructor() throws Exception {
+        checkFooBoxIsOk();
+    }
 }

js/js.translator/src/org/jetbrains/kotlin/js/translate/callTranslator/FunctionCallCases.kt

@@ -17,7 +17,6 @@
 package org.jetbrains.kotlin.js.translate.callTranslator
 
 import com.google.dart.compiler.backend.js.ast.*
-import com.intellij.util.SmartList
 import org.jetbrains.kotlin.descriptors.CallableDescriptor
 import org.jetbrains.kotlin.descriptors.ConstructorDescriptor
 import org.jetbrains.kotlin.descriptors.Visibilities
@@ -211,7 +210,8 @@ object ConstructorCallCase : FunctionCallCase {
 
         val functionRef = if (isNative()) fqName else context.aliasOrValue(callableDescriptor) { fqName }
 
-        if((callableDescriptor as ConstructorDescriptor).isPrimary()) {
+        val constructorDescriptor = callableDescriptor as ConstructorDescriptor
+        if(constructorDescriptor.isPrimary() || AnnotationsUtils.isNativeObject(constructorDescriptor)) {
             return JsNew(functionRef, argumentsInfo.translateArguments)
         }
         else {

js/js.translator/src/org/jetbrains/kotlin/js/translate/context/StaticContext.java

@@ -327,6 +327,12 @@ public final class StaticContext {
                         return null;
                     }
 
+                    if (descriptor instanceof ConstructorDescriptor) {
+                        DeclarationDescriptor classDescriptor = descriptor.getContainingDeclaration();
+                        assert classDescriptor != null;
+                        descriptor = classDescriptor;
+                    }
+
                     String name = getNameForAnnotatedObjectWithOverrides(descriptor);
                     if (name != null) return getEnclosingScope(descriptor).declareName(name);
                     return null;

js/js.translator/testData/native/cases/secondaryConstructor.kt

@@ -0,0 +1,24 @@
+package foo
+
+native
+class A {
+    constructor()
+    constructor(s: String)
+    constructor(i: Int)
+
+    val value: Any?
+}
+
+fun test(a: A, expectedValue: Any?, expectedTypeOfValue: String) {
+    assertTrue(a is A)
+    assertEquals(expectedValue, a.value)
+    assertEquals(expectedTypeOfValue, typeof(a.value))
+}
+
+fun box(): String {
+    test(A(), undefined, "undefined")
+    test(A("foo"), "foo", "string")
+    test(A(124), 124, "number")
+
+    return "OK"
+}

js/js.translator/testData/native/native/secondaryConstructor.js

@@ -0,0 +1,3 @@
+function A(value) {
+    this.value = value
+}