compilerplugins/clang/virtualdown.py

   1 #!/usr/bin/python
   2
   3 import io
   4 import re
   5 import sys
   6
   7 definitionSet = set()
   8 definitionToSourceLocationMap = dict()
   9 callSet = set()
  10
  11
  12 with io.open("workdir/loplugin.virtualdown.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] == "call:":
  21             fullMethodName = tokens[1]
  22             callSet.add(fullMethodName)
  23         else:
  24             print( "unknown line: " + line)
  25
  26 unnecessaryVirtualSet = set()
  27
  28 for clazz in (definitionSet - callSet):
  29 #    if clazz.startswith("canvas::"): continue
  30 #    if clazz == "basegfx::unotools::UnoPolyPolygon::void-modifying()const": continue
  31     # ignore external code
  32     if definitionToSourceLocationMap[clazz].startswith("external/"): continue
  33
  34     unnecessaryVirtualSet.add((clazz,definitionToSourceLocationMap[clazz] ))
  35
  36
  37 # sort the results using a "natural order" so sequences like [item1,item2,item10] sort nicely
  38 def natural_sort_key(s, _nsre=re.compile('([0-9]+)')):
  39     return [int(text) if text.isdigit() else text.lower()
  40             for text in re.split(_nsre, s)]
  41
  42 # sort results by name and line number
  43 tmp1list = sorted(unnecessaryVirtualSet, key=lambda v: natural_sort_key(v[1]))
  44
  45 with open("compilerplugins/clang/virtualdown.results", "wt") as f:
  46     for t in tmp1list:
  47         f.write( t[1] + "\n" )
  48         f.write( "    " + t[0] + "\n" )
  49     # add an empty line at the end to make it easier for the removevirtuals plugin to mmap() the output file
  50     f.write("\n")
  51