office-gobmx/compilerplugins/clang/inlinefields.py
Noel Grandin 0acbfd466a loplugin, remove unnecessary filtering in post-processing
removing things that point to the same source location is only really
necessary for the method-based analyses, the other's dont need it, and
it can hide stuff we are interested in

Change-Id: Ib5c3b4c2ed4011c158a199fcd08096285976b831
2018-11-21 12:14:35 +02:00

69 lines
2.7 KiB
Python
Executable file

#!/usr/bin/python
import sys
import re
import io
definitionToSourceLocationMap = dict() # dict of tuple(parentClass, fieldName) to sourceLocation
definitionSet = set()
excludedSet = set()
deletedInDestructorSet = set()
newedInConstructorSet = set();
# clang does not always use exactly the same numbers in the type-parameter vars it generates
# so I need to substitute them to ensure we can match correctly.
normalizeTypeParamsRegex = re.compile(r"type-parameter-\d+-\d+")
def normalizeTypeParams( line ):
return normalizeTypeParamsRegex.sub("type-parameter-?-?", line)
# reading as binary (since we known it is pure ascii) is much faster than reading as unicode
with io.open("workdir/loplugin.inlinefields.log", "rb", buffering=1024*1024) as txt:
for line in txt:
tokens = line.strip().split("\t")
if tokens[0] == "definition:":
parentClass = normalizeTypeParams(tokens[1])
fieldName = normalizeTypeParams(tokens[2])
sourceLocation = tokens[3]
fieldInfo = (parentClass, fieldName)
definitionSet.add(fieldInfo)
definitionToSourceLocationMap[fieldInfo] = sourceLocation
elif tokens[0] == "excluded:":
parentClass = normalizeTypeParams(tokens[1])
fieldName = normalizeTypeParams(tokens[2])
fieldInfo = (parentClass, fieldName)
excludedSet.add(fieldInfo)
elif tokens[0] == "deletedInDestructor:":
parentClass = normalizeTypeParams(tokens[1])
fieldName = normalizeTypeParams(tokens[2])
fieldInfo = (parentClass, fieldName)
deletedInDestructorSet.add(fieldInfo)
elif tokens[0] == "newedInConstructor:":
parentClass = normalizeTypeParams(tokens[1])
fieldName = normalizeTypeParams(tokens[2])
fieldInfo = (parentClass, fieldName)
newedInConstructorSet.add(fieldInfo)
else:
print( "unknown line: " + line)
tmp1list = list()
for d in definitionSet:
# TODO see comment in InlineFields::VisitCXXDeleteExpr
# if d in excludedSet or d not in deletedInDestructorSet or d not in newedInConstructorSet:
if d in excludedSet or d not in newedInConstructorSet:
continue
srcLoc = definitionToSourceLocationMap[d];
tmp1list.append((d[0] + " " + d[1], srcLoc))
# sort results by filename:lineno
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)]
tmp1list.sort(key=lambda v: natural_sort_key(v[1]))
# print out the results
with open("loplugin.inlinefields.report", "wt") as f:
for v in tmp1list:
f.write(v[1] + "\n")
f.write(" " + v[0] + "\n")