compilerplugins/clang/unnecessaryvirtual.py

   1 #!/usr/bin/python
   2
   3 import io
   4 import re
   5 import sys
   6
   7 definitionSet = set()
   8 definitionToSourceLocationMap = dict()
   9 overridingSet = set()
  10
  11
  12 with io.open("loplugin.unnecessaryvirtual.log", "rb", buffering=1024*1024) as txt:
  13     for line in txt:
  14         tokens = line.strip().split("\t")
  15         if tokens[0] == "definition:":
  16             fullMethodName = tokens[1]
  17             sourceLocation = tokens[2]
  18             definitionSet.add(fullMethodName)
  19             definitionToSourceLocationMap[fullMethodName] = sourceLocation
  20         elif tokens[0] == "overriding:":
  21             fullMethodName = tokens[1]
  22             overridingSet.add(fullMethodName)
  23
  24 unnecessaryVirtualSet = set()
  25
  26 for clazz in (definitionSet - overridingSet):
  27     # windows-specific stuff
  28     if clazz.startswith("canvas::"): continue
  29     if clazz.startswith("psp::PrinterInfoManager"): continue
  30     if clazz.startswith("DdeTopic::"): continue
  31     if clazz == "basegfx::unotools::UnoPolyPolygon::void-modifying()const": continue
  32     if clazz == "SalLayout::_Bool-IsKashidaPosValid(int,)const": continue
  33     if clazz == "SalLayout::void-DisableGlyphInjection(_Bool,)": continue
  34     # Linux-TDF specific
  35     if clazz == "X11SalFrame::void-updateGraphics(_Bool,)": continue
  36     # OSX specific
  37     if clazz == "SalFrame::void-SetRepresentedURL(const class rtl::OUString &,)": continue
  38     if clazz == "SalMenu::_Bool-AddMenuBarButton(const struct SalMenuButtonItem &,)": continue
  39     if clazz == "SalMenu::class Rectangle-GetMenuBarButtonRectPixel(sal_uInt16,class SalFrame *,)": continue
  40     if clazz == "SalMenu::void-RemoveMenuBarButton(sal_uInt16,)": continue
  41     if clazz == "SalLayout::_Bool-DrawTextSpecial(class SalGraphics &,sal_uInt32,)const": continue
  42     # GTK < 3
  43     if clazz == "GtkSalDisplay::int-CaptureMouse(class SalFrame *,)": continue
  44     # some test magic
  45     if clazz.startswith("apitest::"): continue
  46     # ignore external code
  47     if definitionToSourceLocationMap[clazz].startswith("external/"): continue
  48
  49     unnecessaryVirtualSet.add((clazz,definitionToSourceLocationMap[clazz] ))
  50
  51
  52 # sort the results using a "natural order" so sequences like [item1,item2,item10] sort nicely
  53 def natural_sort_key(s, _nsre=re.compile('([0-9]+)')):
  54     return [int(text) if text.isdigit() else text.lower()
  55             for text in re.split(_nsre, s)]
  56
  57 # sort results by name and line number
  58 tmp1list = sorted(unnecessaryVirtualSet, key=lambda v: natural_sort_key(v[1]))
  59
  60 with open("loplugin.unnecessaryvirtual.report", "wt") as f:
  61     for t in tmp1list:
  62         f.write( t[1] + "\n" )
  63         f.write( "    " + t[0] + "\n" )
  64     # add an empty line at the end to make it easier for the removevirtuals plugin to mmap() the output file
  65     f.write("\n")
  66