1 files changed, 10 insertions, 0 deletions
diff --git a/platform/util/src/com/intellij/openapi/util/TextRange.java b/platform/util/src/com/intellij/openapi/util/TextRange.java
index 797bc23ee747..4c09b969a570 100644
--- a/platform/util/src/com/intellij/openapi/util/TextRange.java
+++ b/platform/util/src/com/intellij/openapi/util/TextRange.java
@@ -99,6 +99,16 @@ public class TextRange implements Segment, Serializable {
   }
 
   @NotNull
+  public CharSequence subSequence(@NotNull CharSequence str) {
+    try {
+      return str.subSequence(myStartOffset, myEndOffset);
+    }
+    catch (IndexOutOfBoundsException e) {
+      throw new IndexOutOfBoundsException("Can't extract " + this + " range from " + str);
+    }
+  }
+
+  @NotNull
   public TextRange cutOut(@NotNull TextRange subRange) {
     assert subRange.getStartOffset() <= getLength() : subRange + "; this="+this;
     assert subRange.getEndOffset() <= getLength() : subRange + "; this="+this;