show "native" description for node objects

platform/xdebugger-api/src/com/intellij/xdebugger/frame/presentation/XKeywordValuePresentation.java

@@ -23,7 +23,7 @@ import org.jetbrains.annotations.NotNull;
 public class XKeywordValuePresentation extends XValuePresentation {
   private final String myValue;
 
-  public XKeywordValuePresentation(String value) {
+  public XKeywordValuePresentation(@NotNull String value) {
     myValue = value;
   }
 

platform/xdebugger-api/src/com/intellij/xdebugger/frame/presentation/XValuePresentation.java

@@ -15,6 +15,7 @@
  */
 package com.intellij.xdebugger.frame.presentation;
 
+import com.intellij.ui.SimpleTextAttributes;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -71,6 +72,8 @@ public abstract class XValuePresentation {
      */
     void renderKeywordValue(@NotNull String value);
 
+    void renderValue(@NotNull String value, @Nullable SimpleTextAttributes attributes);
+
     /**
      * Appends {@code value} surrounded by quotes to the node text colored as a string
      * @param value value to be shown

platform/xdebugger-impl/src/com/intellij/xdebugger/impl/ui/tree/nodes/XValuePresentationUtil.java

@@ -124,6 +124,11 @@ public class XValuePresentationUtil {
       myBuilder.append(symbol);
     }
 
+    @Override
+    public void renderValue(@NotNull String value, @Nullable SimpleTextAttributes attributes) {
+      renderValue(value);
+    }
+
     public String getText() {
       return myBuilder.toString();
     }

platform/xdebugger-impl/src/com/intellij/xdebugger/impl/ui/tree/nodes/XValueTextRendererImpl.java

@@ -21,6 +21,7 @@ import com.intellij.openapi.editor.colors.TextAttributesKey;
 import com.intellij.openapi.editor.markup.TextAttributes;
 import com.intellij.ui.ColoredTextContainer;
 import com.intellij.ui.SimpleTextAttributes;
+import com.intellij.util.ObjectUtils;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -39,6 +40,11 @@ class XValueTextRendererImpl extends XValueTextRendererBase {
     XValuePresentationUtil.renderValue(value, myText, SimpleTextAttributes.REGULAR_ATTRIBUTES, -1, null);
   }
 
+  @Override
+  public void renderValue(@NotNull String value, @Nullable SimpleTextAttributes attributes) {
+    myText.append(value, ObjectUtils.notNull(attributes, SimpleTextAttributes.REGULAR_ATTRIBUTES));
+  }
+
   @Override
   protected void renderRawValue(@NotNull String value, @NotNull TextAttributesKey key) {
     TextAttributes textAttributes = EditorColorsManager.getInstance().getGlobalScheme().getAttributes(key);