diff --git a/teavm-eclipse/teavm-eclipse-plugin/META-INF/MANIFEST.MF b/teavm-eclipse/teavm-eclipse-plugin/META-INF/MANIFEST.MF
index 06e466a44..ef26e5020 100644
--- a/teavm-eclipse/teavm-eclipse-plugin/META-INF/MANIFEST.MF
+++ b/teavm-eclipse/teavm-eclipse-plugin/META-INF/MANIFEST.MF
@@ -17,7 +17,8 @@ Require-Bundle: org.eclipse.core.runtime;bundle-version="[3.8.0,4.0)",
  org.eclipse.jdt.launching;bundle-version="[3.6.1,4.0.0)",
  org.eclipse.ui.editors;bundle-version="[3.8.0,4.0.0)",
  org.eclipse.ui.ide;bundle-version="[3.8.2,4.0.0)",
- org.eclipse.jdt.ui;bundle-version="[3.8.2,4.0.0)"
+ org.eclipse.jdt.ui;bundle-version="[3.8.2,4.0.0)",
+ org.eclipse.core.filesystem;bundle-version="1.4.0"
 Bundle-ClassPath: .,
  lib/asm-5.0.1.jar,
  lib/asm-commons-5.0.1.jar,
diff --git a/teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/TeaVMJSStackFrame.java b/teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/TeaVMJSStackFrame.java
index 6cdf57399..9927c0461 100644
--- a/teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/TeaVMJSStackFrame.java
+++ b/teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/TeaVMJSStackFrame.java
@@ -136,12 +136,12 @@ public class TeaVMJSStackFrame implements IStackFrame {
 
     @Override
     public int getCharEnd() throws DebugException {
-        return callFrame.getLocation() != null ? callFrame.getLocation().getColumn() + 2 : -1;
+        return -1;
     }
 
     @Override
     public int getCharStart() throws DebugException {
-        return callFrame.getLocation() != null ? callFrame.getLocation().getColumn() + 1 : -1;
+        return -1;
     }
 
     @Override
diff --git a/teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/TeaVMSourceLookupParticipant.java b/teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/TeaVMSourceLookupParticipant.java
index 3e0e4db0c..c5007fd5b 100644
--- a/teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/TeaVMSourceLookupParticipant.java
+++ b/teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/TeaVMSourceLookupParticipant.java
@@ -15,9 +15,13 @@
  */
 package org.teavm.eclipse.debugger;
 
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Arrays;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.debug.core.sourcelookup.AbstractSourceLookupParticipant;
 import org.teavm.debugging.information.SourceLocation;
+import org.teavm.debugging.javascript.JavaScriptLocation;
 
 /**
  *
@@ -26,11 +30,38 @@ import org.teavm.debugging.information.SourceLocation;
 public class TeaVMSourceLookupParticipant extends AbstractSourceLookupParticipant {
     @Override
     public String getSourceName(Object object) throws CoreException {
-        if (!(object instanceof TeaVMStackFrame)) {
+        if (object instanceof TeaVMStackFrame) {
+            TeaVMStackFrame stackFrame = (TeaVMStackFrame)object;
+            SourceLocation location = stackFrame.callFrame.getLocation();
+            return location != null ? location.getFileName() : null;
+        } else if (object instanceof TeaVMJSStackFrame) {
+            TeaVMJSStackFrame stackFrame = (TeaVMJSStackFrame)object;
+            JavaScriptLocation location = stackFrame.callFrame.getLocation();
+            return location != null ? location.getScript() : null;
+        } else {
             return null;
         }
-        TeaVMStackFrame stackFrame = (TeaVMStackFrame)object;
-        SourceLocation location = stackFrame.callFrame.getLocation();
-        return location != null ? location.getFileName() : null;
+    }
+
+    @Override
+    public Object[] findSourceElements(Object object) throws CoreException {
+        Object[] result = super.findSourceElements(object);
+        if (object instanceof TeaVMJSStackFrame) {
+            TeaVMJSStackFrame stackFrame = (TeaVMJSStackFrame)object;
+            JavaScriptLocation location = stackFrame.getCallFrame().getLocation();
+            if (location != null) {
+                URL url;
+                try {
+                    url = new URL(location.getScript());
+                } catch (MalformedURLException e) {
+                    url = null;
+                }
+                if (url != null) {
+                    result = Arrays.copyOf(result, result.length + 1);
+                    result[result.length - 1] = url;
+                }
+            }
+        }
+        return result;
     }
 }
diff --git a/teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/ui/TeaVMDebugModelPresentation.java b/teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/ui/TeaVMDebugModelPresentation.java
index 4a07aec41..3f7a42c15 100644
--- a/teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/ui/TeaVMDebugModelPresentation.java
+++ b/teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/ui/TeaVMDebugModelPresentation.java
@@ -15,6 +15,11 @@
  */
 package org.teavm.eclipse.debugger.ui;
 
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import org.eclipse.core.filesystem.EFS;
+import org.eclipse.core.filesystem.IFileStore;
 import org.eclipse.core.resources.IFile;
 import org.eclipse.debug.core.model.ILineBreakpoint;
 import org.eclipse.debug.core.model.IValue;
@@ -23,6 +28,8 @@ import org.eclipse.debug.ui.IValueDetailListener;
 import org.eclipse.jdt.ui.JavaUI;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.editors.text.EditorsUI;
+import org.eclipse.ui.ide.FileStoreEditorInput;
 import org.eclipse.ui.part.FileEditorInput;
 import org.teavm.debugging.CallFrame;
 import org.teavm.debugging.javascript.JavaScriptCallFrame;
@@ -41,6 +48,8 @@ public class TeaVMDebugModelPresentation extends LabelProvider implements IDebug
     public String getEditorId(IEditorInput input, Object element) {
         if (element instanceof IFile || element instanceof ILineBreakpoint) {
             return JavaUI.ID_CU_EDITOR;
+        } else if (element instanceof URL) {
+            return EditorsUI.DEFAULT_TEXT_EDITOR_ID;
         }
         return null;
     }
@@ -53,6 +62,15 @@ public class TeaVMDebugModelPresentation extends LabelProvider implements IDebug
         if (element instanceof ILineBreakpoint) {
             return new FileEditorInput((IFile)((ILineBreakpoint)element).getMarker().getResource());
         }
+        if (element instanceof URL) {
+            try {
+                URI uri = new URI(element.toString());
+                IFileStore store = EFS.getLocalFileSystem().getStore(uri);
+                return new FileStoreEditorInput(store);
+            } catch (URISyntaxException e) {
+                return null;
+            }
+        }
         return null;
     }