From c3f73d80862c322a681f72fb0ccf75d36591565e Mon Sep 17 00:00:00 2001
From: Eugene Zhuravlev <jeka@intellij.com>
Date: Mon, 1 Nov 2010 18:31:03 +0300
Subject: [PATCH] fix read access assertion

---
 .../src/com/intellij/debugger/ui/ValueHint.java     | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/java/debugger/impl/src/com/intellij/debugger/ui/ValueHint.java b/java/debugger/impl/src/com/intellij/debugger/ui/ValueHint.java
index 1b4c1d4704ab..ec53a137c4e3 100644
--- a/java/debugger/impl/src/com/intellij/debugger/ui/ValueHint.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/ValueHint.java
@@ -33,13 +33,11 @@ import com.intellij.debugger.ui.impl.DebuggerTreeRenderer;
 import com.intellij.debugger.ui.impl.InspectDebuggerTree;
 import com.intellij.debugger.ui.impl.watch.WatchItemDescriptor;
 import com.intellij.debugger.ui.tree.render.DescriptorLabelListener;
+import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.editor.Editor;
 import com.intellij.openapi.project.Project;
-import com.intellij.openapi.util.Pair;
-import com.intellij.openapi.util.Ref;
-import com.intellij.openapi.util.TextRange;
-import com.intellij.openapi.util.Trinity;
+import com.intellij.openapi.util.*;
 import com.intellij.psi.*;
 import com.intellij.ui.SimpleColoredText;
 import com.intellij.ui.SimpleTextAttributes;
@@ -100,7 +98,12 @@ public class ValueHint extends AbstractValueHint {
             final EvaluationContextImpl evaluationContext = debuggerContext.createEvaluationContext();
 
 
-            final TextWithImports text = new TextWithImportsImpl(CodeFragmentKind.EXPRESSION, myCurrentExpression.getText());
+            final String expressionText = ApplicationManager.getApplication().runReadAction(new Computable<String>() {
+              public String compute() {
+                return myCurrentExpression.getText();
+              }
+            });
+            final TextWithImports text = new TextWithImportsImpl(CodeFragmentKind.EXPRESSION, expressionText);
             final Value value = myValueToShow != null? myValueToShow : evaluator.evaluate(evaluationContext);
 
             final WatchItemDescriptor descriptor = new WatchItemDescriptor(getProject(), text, value);