Added toDouble() method to support wd examples.

js/js.translator/src/org/jetbrains/k2js/translate/intrinsic/Intrinsics.java

@@ -44,6 +44,8 @@ import static org.jetbrains.jet.lang.types.expressions.OperatorConventions.*;
 import static org.jetbrains.k2js.translate.utils.DescriptorUtils.getFunctionByName;
 import static org.jetbrains.k2js.translate.utils.DescriptorUtils.getPropertyByName;
 
+//TODO: class is monstrous, should be refactored.
+
 /**
  * @author Pavel Talanov
  *         <p/>
@@ -79,6 +81,8 @@ public final class Intrinsics {
         declareStringIntrinsics();
         declareTuplesIntrinsics();
         declareArrayIntrinsics();
+        FunctionDescriptor intToDouble = getFunctionByName(library.getInt().getDefaultType().getMemberScope(), "toDouble");
+        functionIntrinsics.put(intToDouble, ReturnReceiverIntrinsic.INSTANCE);
     }
 
     @NotNull

js/js.translator/src/org/jetbrains/k2js/translate/intrinsic/ReturnReceiverIntrinsic.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2000-2012 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.k2js.translate.intrinsic;
+
+import com.google.dart.compiler.backend.js.ast.JsExpression;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.k2js.translate.context.TranslationContext;
+
+import java.util.List;
+
+/**
+ * @author Pavel Talanov
+ */
+public enum ReturnReceiverIntrinsic implements Intrinsic {
+
+    INSTANCE;
+
+    @NotNull
+    @Override
+    public JsExpression apply(@Nullable JsExpression receiver, @NotNull List<JsExpression> arguments,
+                              @NotNull TranslationContext context) {
+        assert receiver != null;
+        return receiver;
+    }
+}