office-gobmx/compilerplugins/clang/virtualdown.py
Noel 95b2ee0070 improve sorting in global-analysis plugins
Change-Id: I417f6d9fd6981bb402cd216a08db285cc9adeed0
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/105628
Tested-by: Noel Grandin <noel.grandin@collabora.co.uk>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2020-11-13 13:44:12 +01:00

55 lines
1.9 KiB
Python
Executable file

#!/usr/bin/python
import io
import re
import sys
definitionSet = set()
definitionToSourceLocationMap = dict()
callSet = set()
with io.open("workdir/loplugin.virtualdown.log", "rb", buffering=1024*1024) as txt:
for line in txt:
tokens = line.strip().split("\t")
if tokens[0] == "definition:":
fullMethodName = tokens[1]
sourceLocation = tokens[2]
definitionSet.add(fullMethodName)
definitionToSourceLocationMap[fullMethodName] = sourceLocation
elif tokens[0] == "call:":
fullMethodName = tokens[1]
callSet.add(fullMethodName)
else:
print( "unknown line: " + line)
unnecessaryVirtualSet = set()
for clazz in (definitionSet - callSet):
# if clazz.startswith("canvas::"): continue
# if clazz == "basegfx::unotools::UnoPolyPolygon::void-modifying()const": continue
# ignore external code
if definitionToSourceLocationMap[clazz].startswith("external/"): continue
unnecessaryVirtualSet.add((clazz,definitionToSourceLocationMap[clazz] ))
# sort the results using a "natural order" so sequences like [item1,item2,item10] sort nicely
def natural_sort_key(s, _nsre=re.compile('([0-9]+)')):
return [int(text) if text.isdigit() else text.lower()
for text in re.split(_nsre, s)]
# sort by both the source-line and the datatype, so the output file ordering is stable
# when we have multiple items on the same source line
def v_sort_key(v):
return natural_sort_key(v[1]) + [v[0]]
# sort results by name and line number
tmp1list = sorted(unnecessaryVirtualSet, key=lambda v: v_sort_key(v))
with open("compilerplugins/clang/virtualdown.results", "wt") as f:
for t in tmp1list:
f.write( t[1] + "\n" )
f.write( " " + t[0] + "\n" )
# add an empty line at the end to make it easier for the removevirtuals plugin to mmap() the output file
f.write("\n")