compilerplugins/clang/finalclasses.py

   1 #!/usr/bin/python
   2
   3 import re
   4 import sys
   5
   6 definitionSet = set()
   7 inheritFromSet = set()
   8 definitionToFileDict = {}
   9
  10 with open("workdir/loplugin.finalclasses.log") as txt:
  11     for line in txt:
  12         tokens = line.strip().split("\t")
  13
  14         if len(tokens) == 1:
  15             pass
  16
  17         elif tokens[0] == "definition:":
  18             clazzName = tokens[1]
  19             # the 1.. is so we skip the leading /
  20             fileName  = tokens[2][1:]
  21             definitionSet.add(clazzName)
  22             definitionToFileDict[clazzName] = fileName
  23
  24         elif tokens[0] == "inherited-from:":
  25             parent = tokens[1]
  26             if (parent.startswith("class ")):
  27                 parent = parent[6:]
  28             elif (parent.startswith("struct ")):
  29                 parent = parent[7:]
  30             inheritFromSet.add(parent);
  31
  32         else:
  33             print( "unknown line: " + line)
  34
  35 match_module_inc1 = re.compile(r'^\w+/inc/')
  36 match_module_inc2 = re.compile(r'^\w+/.*/inc/')
  37 tmpset = set()
  38 for clazz in sorted(definitionSet - inheritFromSet):
  39     file = definitionToFileDict[clazz]
  40     # ignore classes defined inside compilation units, the compiler knows they are final already
  41     if (".cxx" in file): continue
  42     # ignore test and external code
  43     if ("/qa/" in file): continue
  44     if (file.startswith("workdir/")): continue
  45     # We are only really interested in classes that are shared between linkage units, where the compiler
  46     # is not able to figure out for itself that classes are final.
  47     if not(file.startswith("include/") or match_module_inc1.match(file) or match_module_inc2.match(file)): continue
  48     #if not(file.endswith(".hxx")): continue
  49     # Exclude URE
  50     if file.startswith("include/com/"): continue
  51     if file.startswith("include/cppu/"): continue
  52     if file.startswith("include/cppuhelper/"): continue
  53     if file.startswith("include/osl/"): continue
  54     if file.startswith("include/rtl/"): continue
  55     if file.startswith("include/sal/"): continue
  56     if file.startswith("include/salhelper/"): continue
  57     if file.startswith("include/typelib/"): continue
  58     if file.startswith("include/uno/"): continue
  59     # some kind of template noise
  60     if file.startswith("include/unotest/"): continue
  61     # no point optimising test code
  62     if file.startswith("include/test/"): continue
  63     tmpset.add((clazz, file))
  64
  65 # sort the results using a "natural order" so sequences like [item1,item2,item10] sort nicely
  66 def natural_sort_key(s, _nsre=re.compile('([0-9]+)')):
  67     return [int(text) if text.isdigit() else text.lower()
  68             for text in re.split(_nsre, s)]
  69 # sort by both the source-line and the datatype, so the output file ordering is stable
  70 # when we have multiple items on the same source line
  71 def v_sort_key(v):
  72     return natural_sort_key(v[1]) + [v[0]]
  73 def sort_set_by_natural_key(s):
  74     return sorted(s, key=lambda v: v_sort_key(v))
  75
  76 # print output, sorted by name and line number
  77 with open("compilerplugins/clang/finalclasses.results", "wt") as f:
  78     for t in sort_set_by_natural_key(tmpset):
  79         f.write(t[1] + "\n")
  80         f.write("    " + t[0] + "\n")
  81