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#!/usr/bin/python
import sys
import re
import io
definitionSet = set()
definitionToSourceLocationMap = dict()
definitionToTypeMap = dict()
writeFromOutsideConstructorSet = 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)
def parseFieldInfo( tokens ):
if len(tokens) == 3:
return (normalizeTypeParams(tokens[1]), tokens[2])
else:
return (normalizeTypeParams(tokens[1]), "")
with io.open("workdir/loplugin.constfields.log", "rb", buffering=1024*1024) as txt:
for line in txt:
tokens = line.strip().split("\t")
if tokens[0] == "definition:":
access = tokens[1]
fieldInfo = (normalizeTypeParams(tokens[2]), tokens[3])
srcLoc = tokens[5]
# ignore external source code
if (srcLoc.startswith("external/")):
continue
# ignore build folder
if (srcLoc.startswith("workdir/")):
continue
definitionSet.add(fieldInfo)
definitionToTypeMap[fieldInfo] = tokens[4]
definitionToSourceLocationMap[fieldInfo] = tokens[5]
elif tokens[0] == "write-outside-constructor:":
writeFromOutsideConstructorSet.add(parseFieldInfo(tokens))
else:
print( "unknown line: " + line)
# Calculate can-be-const-field set
canBeConstFieldSet = set()
for d in definitionSet:
if d in writeFromOutsideConstructorSet:
continue
srcLoc = definitionToSourceLocationMap[d];
fieldType = definitionToTypeMap[d]
if fieldType.startswith("const "):
continue
if "std::unique_ptr" in fieldType:
continue
if "std::shared_ptr" in fieldType:
continue
if "Reference<" in fieldType:
continue
if "VclPtr<" in fieldType:
continue
if "osl::Mutex" in fieldType:
continue
if "::sfx2::sidebar::ControllerItem" in fieldType:
continue
canBeConstFieldSet.add((d[0] + " " + d[1] + " " + fieldType, srcLoc))
# 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
tmp6list = sorted(canBeConstFieldSet, key=lambda v: v_sort_key(v))
# print out the results
with open("compilerplugins/clang/constfields.results", "wt") as f:
for t in tmp6list:
f.write( t[1] + "\n" )
f.write( " " + t[0] + "\n" )
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