JS frontend: suppress UNUSED_PARAM for native declarations.

#KT-2141 Fixed

js/js.frontend/src/org/jetbrains/k2js/PredefinedAnnotation.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2013 JetBrains s.r.o.
+ * Copyright 2010-2014 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.
@@ -14,23 +14,9 @@
  * limitations under the License.
  */
 
-package org.jetbrains.k2js.translate.utils;
+package org.jetbrains.k2js
 
-import org.jetbrains.annotations.NotNull;
-
-public enum PredefinedAnnotation {
-    LIBRARY("kotlin.js.library"),
-    NATIVE("kotlin.js.native");
-
-    PredefinedAnnotation(@NotNull String fqName) {
-        this.fqName = fqName;
-    }
-
-    @NotNull
-    private final String fqName;
-
-    @NotNull
-    public String getFQName() {
-        return fqName;
-    }
+public enum class PredefinedAnnotation(public val fqName: String) {
+    LIBRARY : PredefinedAnnotation("kotlin.js.library")
+    NATIVE : PredefinedAnnotation("kotlin.js.native")
 }

js/js.frontend/src/org/jetbrains/k2js/analyze/SuppressUnusedParameterForJsNative.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2010-2014 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.analyze
+
+import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor
+import org.jetbrains.jet.lang.resolve.DescriptorUtils
+import org.jetbrains.jet.lang.diagnostics.Errors
+import org.jetbrains.jet.lang.resolve.name.FqNameUnsafe
+import org.jetbrains.jet.lang.resolve.DiagnosticsWithSuppression
+import org.jetbrains.k2js.PredefinedAnnotation
+
+class SuppressUnusedParameterForJsNative : DiagnosticsWithSuppression.SuppressStringProvider {
+    override fun get(annotationDescriptor: AnnotationDescriptor): List<String> {
+        val descriptor = DescriptorUtils.getClassDescriptorForType(annotationDescriptor.getType())
+        if (PredefinedAnnotation.NATIVE.fqName == DescriptorUtils.getFqName(descriptor).asString()) {
+            return listOf(Errors.UNUSED_PARAMETER.getName().toLowerCase())
+        }
+
+        return listOf()
+    }
+}

js/js.translator/src/org/jetbrains/k2js/translate/utils/AnnotationsUtils.java

@@ -27,6 +27,7 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
 import org.jetbrains.jet.lang.resolve.DescriptorUtils;
 import org.jetbrains.jet.lang.resolve.constants.CompileTimeConstant;
 import org.jetbrains.jet.lang.resolve.name.FqName;
+import org.jetbrains.k2js.PredefinedAnnotation;
 
 import java.util.List;
 import java.util.Set;
@@ -108,7 +109,7 @@ public final class AnnotationsUtils {
     @Nullable
     private static AnnotationDescriptor getAnnotationByName(@NotNull DeclarationDescriptor descriptor,
             @NotNull PredefinedAnnotation annotation) {
-        return getAnnotationByName(descriptor, annotation.getFQName());
+        return getAnnotationByName(descriptor, annotation.getFqName());
     }
 
     @Nullable
@@ -135,7 +136,7 @@ public final class AnnotationsUtils {
 
     public static boolean hasAnnotationOrInsideAnnotatedClass(@NotNull DeclarationDescriptor descriptor,
             @NotNull PredefinedAnnotation annotation) {
-        return hasAnnotationOrInsideAnnotatedClass(descriptor, annotation.getFQName());
+        return hasAnnotationOrInsideAnnotatedClass(descriptor, annotation.getFqName());
     }
 
     private static boolean hasAnnotationOrInsideAnnotatedClass(@NotNull DeclarationDescriptor descriptor, @NotNull String fqn) {