diff --git a/idea/src/org/jetbrains/jet/plugin/highlighter/IdeRenderers.java b/idea/src/org/jetbrains/jet/plugin/highlighter/IdeRenderers.java
index 9f5f2239227..164b03111b5 100644
--- a/idea/src/org/jetbrains/jet/plugin/highlighter/IdeRenderers.java
+++ b/idea/src/org/jetbrains/jet/plugin/highlighter/IdeRenderers.java
@@ -17,13 +17,9 @@
 package org.jetbrains.jet.plugin.highlighter;
 
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.jet.lang.descriptors.*;
-import org.jetbrains.jet.lang.psi.ValueArgument;
-import org.jetbrains.jet.lang.resolve.DescriptorUtils;
+import org.jetbrains.jet.lang.descriptors.CallableMemberDescriptor;
 import org.jetbrains.jet.lang.resolve.calls.inference.InferenceErrorData;
-import org.jetbrains.jet.lang.resolve.calls.model.*;
-import org.jetbrains.jet.lang.resolve.name.FqName;
-import org.jetbrains.jet.lang.resolve.name.FqNameUnsafe;
+import org.jetbrains.jet.lang.resolve.calls.model.ResolvedCall;
 import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.renderer.DescriptorRenderer;
 import org.jetbrains.jet.renderer.Renderer;
@@ -31,21 +27,23 @@ import org.jetbrains.jet.renderer.Renderer;
 import java.util.Collection;
 
 import static org.jetbrains.jet.lang.diagnostics.rendering.Renderers.*;
-import static org.jetbrains.jet.lang.resolve.calls.util.UtilPackage.hasErrorOnParameter;
-import static org.jetbrains.jet.lang.resolve.calls.util.UtilPackage.hasUnmappedArguments;
+import static org.jetbrains.jet.plugin.highlighter.renderersUtil.RenderersUtilPackage.renderResolvedCall;
 
 public class IdeRenderers {
     private static final String RED_TEMPLATE = "<font color=red><b>%s</b></font>";
     private static final String STRONG_TEMPLATE = "<b>%s</b>";
 
+    @NotNull
     public static String strong(Object o) {
         return String.format(STRONG_TEMPLATE, o);
     }
 
+    @NotNull
     public static String error(Object o) {
         return String.format(RED_TEMPLATE, o);
     }
 
+    @NotNull
     public static String strong(Object o, boolean error) {
         return String.format(error ? RED_TEMPLATE : STRONG_TEMPLATE, o);
     }
@@ -82,40 +80,7 @@ public class IdeRenderers {
                     StringBuilder stringBuilder = new StringBuilder("");
                     for (ResolvedCall<?> resolvedCall : calls) {
                         stringBuilder.append("<li>");
-                        CallableDescriptor funDescriptor = resolvedCall.getResultingDescriptor();
-
-                        DescriptorRenderer htmlRenderer = DescriptorRenderer.HTML;
-                        ReceiverParameterDescriptor receiverParameter = funDescriptor.getReceiverParameter();
-                        if (receiverParameter != null) {
-                            stringBuilder.append(htmlRenderer.renderType(receiverParameter.getType())).append(".");
-                        }
-                        stringBuilder.append(funDescriptor.getName()).append("(");
-                        boolean first = true;
-                        for (ValueParameterDescriptor parameter : funDescriptor.getValueParameters()) {
-                            if (!first) {
-                                stringBuilder.append(", ");
-                            }
-                            JetType type = parameter.getType();
-                            JetType varargElementType = parameter.getVarargElementType();
-                            if (varargElementType != null) {
-                                type = varargElementType;
-                            }
-                            String paramString = (varargElementType != null ? "<b>vararg</b> " : "") + htmlRenderer.renderType(type);
-                            if (parameter.hasDefaultValue()) {
-                                paramString += " = ...";
-                            }
-                            if (hasErrorOnParameter(resolvedCall, parameter)) {
-                                paramString = String.format(RED_TEMPLATE, paramString);
-                            }
-                            stringBuilder.append(paramString);
-
-                            first = false;
-                        }
-                        stringBuilder.append(hasUnmappedArguments(resolvedCall) ? String.format(RED_TEMPLATE, ")") : ")");
-                        stringBuilder.append(" <i>defined in</i> ");
-                        DeclarationDescriptor containingDeclaration = funDescriptor.getContainingDeclaration();
-                        FqNameUnsafe fqName = DescriptorUtils.getFqName(containingDeclaration);
-                        stringBuilder.append(FqName.ROOT.equalsTo(fqName) ? "root package" : fqName.asString());
+                        stringBuilder.append(renderResolvedCall(resolvedCall));
                         stringBuilder.append("</li>");
                     }
                     return stringBuilder.toString();
diff --git a/idea/src/org/jetbrains/jet/plugin/highlighter/renderersUtil.kt b/idea/src/org/jetbrains/jet/plugin/highlighter/renderersUtil.kt
new file mode 100644
index 00000000000..dcc41b5a073
--- /dev/null
+++ b/idea/src/org/jetbrains/jet/plugin/highlighter/renderersUtil.kt
@@ -0,0 +1,69 @@
+/*
+ * 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.jet.plugin.highlighter.renderersUtil
+
+import org.jetbrains.jet.lang.resolve.calls.model.ResolvedCall
+import org.jetbrains.jet.lang.descriptors.CallableDescriptor
+import org.jetbrains.jet.renderer.DescriptorRenderer
+import org.jetbrains.jet.lang.descriptors.ReceiverParameterDescriptor
+import org.jetbrains.jet.lang.descriptors.ValueParameterDescriptor
+import org.jetbrains.jet.lang.types.JetType
+import org.jetbrains.jet.lang.resolve.calls.util.*
+import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor
+import org.jetbrains.jet.lang.resolve.name.FqNameUnsafe
+import org.jetbrains.jet.lang.resolve.DescriptorUtils
+import org.jetbrains.jet.lang.resolve.name.FqName
+import org.jetbrains.jet.plugin.highlighter.IdeRenderers
+
+fun <D : CallableDescriptor> renderResolvedCall(resolvedCall: ResolvedCall<D>): String {
+    val stringBuilder = StringBuilder("")
+    val funDescriptor = resolvedCall.getResultingDescriptor()
+
+    val htmlRenderer = DescriptorRenderer.HTML
+    val receiverParameter = funDescriptor.getReceiverParameter()
+    if (receiverParameter != null) {
+        stringBuilder.append(htmlRenderer.renderType(receiverParameter.getType())).append(".")
+    }
+    stringBuilder.append(funDescriptor.getName()).append("(")
+    var first = true
+    for (parameter in funDescriptor.getValueParameters()) {
+        if (!first) {
+            stringBuilder.append(", ")
+        }
+        var parameterType = parameter.getType()
+        val varargElementType = parameter.getVarargElementType()
+        if (varargElementType != null) {
+            parameterType = varargElementType
+        }
+        var paramString: String = (if (varargElementType != null) "<b>vararg</b> " else "") + htmlRenderer.renderType(parameterType)
+        if (parameter.hasDefaultValue()) {
+            paramString += " = ..."
+        }
+        if (resolvedCall.hasErrorOnParameter(parameter)) {
+            paramString = IdeRenderers.error(paramString)
+        }
+        stringBuilder.append(paramString)
+
+        first = false
+    }
+    stringBuilder.append(if (resolvedCall.hasUnmappedArguments()) IdeRenderers.error(")") else ")")
+    stringBuilder.append(" <i>defined in</i> ")
+    val containingDeclaration = funDescriptor.getContainingDeclaration()
+    val fqName = DescriptorUtils.getFqName(containingDeclaration)
+    stringBuilder.append(if (FqName.ROOT.equalsTo(fqName)) "root package" else fqName.asString())
+    return stringBuilder.toString()
+}
\ No newline at end of file