Sync EDKII BaseTools to BaseTools project r1988

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10607 6f19259b-4bc3-4df7-8a09-765794883524

BaseTools/Source/Python/Common/String.py

@@ -279,9 +279,16 @@ def CleanString(Line, CommentCharacter = DataType.TAB_COMMENT_SPLIT, AllowCppSty
     if AllowCppStyleComment:
         Line = Line.replace(DataType.TAB_COMMENT_R8_SPLIT, CommentCharacter)
     #
-    # remove comments
+    # remove comments, but we should escape comment character in string
     #
-    Line = Line.split(CommentCharacter, 1)[0];
+    InString = False
+    for Index in range(0, len(Line)):
+        if Line[Index] == '"':
+            InString = not InString
+        elif Line[Index] == CommentCharacter and not InString:
+            Line = Line[0: Index]
+            break
+    
     #
     # remove whitespace again
     #