Add tools\win\sizeviewer to dump partition view of binary size

tools/win/sizeviewer/sizeviewer.py

Index: tools/win/sizeviewer/sizeviewer.py
diff --git a/tools/win/sizeviewer/sizeviewer.py b/tools/win/sizeviewer/sizeviewer.py
new file mode 100644
index 0000000000000000000000000000000000000000..defb00a4b85a5d9cdb60eb2aaf116013eba119b5
--- /dev/null
+++ b/tools/win/sizeviewer/sizeviewer.py
@@ -0,0 +1,95 @@
+# Copyright 2013 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.
+
+import json
+import os
+import string
+import subprocess
+import sys
+
+
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+
+
+def Run(*args):
+  with open(os.devnull, 'w') as null:
+    subprocess.check_call(args, stdout=null, stderr=null)
+
+
+def FindNode(node, component):
+  for child in node['children']:
+    if child['name'] == component:
+      return child
+  return None
+
+
+def InsertIntoTree(tree, source_name, size):
+  components = source_name.replace(':', '').split('\\')
+  node = tree
+  for index, component in enumerate(components):
+    data = FindNode(node, component)
+    if not data:
+      data = { 'name': component }
+      if index == len(components) - 1:
+        data['size'] = size
+      else:
+        data['children'] = []
+      node['children'].append(data)
+    node = data
+
+
+def main():
+  out_dir = os.path.join(BASE_DIR, '..', '..', '..', 'out', 'Release')
+  jsons = []
+  for dll in ('chrome.dll', 'chrome_child.dll'):
+    dll_path = os.path.normpath(os.path.join(out_dir, dll))
+    if os.path.exists(dll_path):
+      print 'Tallying %s...' % dll_path
+      json_path = dll_path + '.json'
+      Run(os.path.join(BASE_DIR, 'code_tally.exe'),
+          '--input-image=' + dll_path,
+          '--input-pdb=' + dll_path + '.pdb',
+          '--output-file=' + json_path)
+      jsons.append(json_path)
+  if not jsons:
+    print 'Couldn\'t find binaries, looking in', out_dir
+    return 1
+
+  for json_name in jsons:
+    with open(json_name, 'r') as jsonf:
+      all_data = json.load(jsonf)
+    html_path = os.path.splitext(json_name)[0] + '.html'
+    print 'Generating %s...' % html_path
+    by_source = {}
+    for obj_name, obj_data in all_data['objects'].iteritems():
+      for symbol, symbol_data in obj_data.iteritems():
+        size = int(symbol_data['size'])
+        # Sometimes there's symbols with no source file, we just ignore those.
+        if 'contribs' in symbol_data:
+          # There may be more than one file in the list, we just assign to the
+          # first source file that contains the symbol, rather than try to
+          # split or duplicate info.
+          src_index = symbol_data['contribs'][0]
+          source = all_data['sources'][int(src_index)]
+          if source not in by_source:
+            by_source[source] = []
+          by_source[source].append(size)
+    binary_name = all_data['executable']['name']
+    data = {}
+    data['name'] = binary_name
+    data['children'] = []
+    for source, sizes in by_source.iteritems():
+      InsertIntoTree(data, source, sum(sizes))
+    with open(html_path, 'w') as f:
+      with open(os.path.join(BASE_DIR, 'template.html'), 'r') as templatef:
+        template = templatef.read()
+      f.write(string.Template(template).substitute(
+          {'data': json.dumps(data, indent=2),
+           'dllname': binary_name + ' ' + all_data['executable']['version']}))
+
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main())