supersize: Track symbol aliases and shared symbols

tools/binary_size/libsupersize/console.py

 # Copyright 2017 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """An interactive console for looking analyzing .size files."""
 
 import argparse
 import atexit
 import code
 import contextlib
 import itertools
 import logging
 import os
 import readline
 import subprocess
 import sys
 
 import archive
 import describe
+import diff
 import file_format
 import match_util
 import models
 import paths
 
 
 # Number of lines before using less for Print().
 _THRESHOLD_FOR_PAGER = 30
 
 
@@ skipping 30 matching lines @@
   else:
     describe.WriteLines(lines, sys.stdout.write)
 
 
 class _Session(object):
   _readline_initialized = False
 
   def __init__(self, size_infos, lazy_paths):
     self._variables = {
         'Print': self._PrintFunc,
-        'Diff': models.Diff,
+        'Diff': diff.Diff,
         'Disassemble': self._DisassembleFunc,
         'ExpandRegex': match_util.ExpandRegexIdentifierPlaceholder,
         'ShowExamples': self._ShowExamplesFunc,
     }
     self._lazy_paths = lazy_paths
     self._size_infos = size_infos
 
     if len(size_infos) == 1:
       self._variables['size_info'] = size_infos[0]
     else:
@@ skipping 159 matching lines @@
                                output_directory=args.output_directory,
                                any_path_within_output_directory=args.inputs[0])
   session = _Session(size_infos, lazy_paths)
 
   if args.query:
     logging.info('Running query from command-line.')
     session.Eval(args.query)
   else:
     logging.info('Entering interactive console.')
     session.GoInteractive()