Quelle unusedfields.py Sprache: Python

#!/usr/bin/python3

import re
import io

definitionSet = set()
protectedAndPublicDefinitionSet = set() # set of tuple(type, name)
definitionToSourceLocationMap = dict()
definitionToTypeMap = dict()
touchedFromInsideSet = set()
touchedFromOutsideSet = set()
touchedFromOutsideConstructorSet = set()
readFromSet = set()
writeToSet = set()
sourceLocationSet = 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.unusedfields.log", "r", 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]
            if access == "protected" or access == "public":
                protectedAndPublicDefinitionSet.add(fieldInfo)
            definitionToSourceLocationMap[fieldInfo] = tokens[5]
        elif tokens[0] == "inside:":
            touchedFromInsideSet.add(parseFieldInfo(tokens))
        elif tokens[0] == "outside:":
            touchedFromOutsideSet.add(parseFieldInfo(tokens))
        elif tokens[0] == "outside-constructor:":
            touchedFromOutsideConstructorSet.add(parseFieldInfo(tokens))
        elif tokens[0] == "read:":
            readFromSet.add(parseFieldInfo(tokens))
        elif tokens[0] == "write:":
            writeToSet.add(parseFieldInfo(tokens))
        else:
            print( "unknown line: " + line)

# Calculate untouched
untouchedSet = set()
untouchedSetD = set()
for d in definitionSet:
    if d in touchedFromOutsideSet or d in touchedFromInsideSet:
        continue
    srcLoc = definitionToSourceLocationMap[d]
    # this is all representations of on-disk data structures
    if (srcLoc.startswith("sc/source/filter/inc/scflt.hxx")
        or srcLoc.startswith("sw/source/filter/ww8/")
        or srcLoc.startswith("vcl/source/filter/sgvmain.hxx")
        or srcLoc.startswith("vcl/source/filter/sgfbram.hxx")
        or srcLoc.startswith("vcl/inc/unx/gtk/gloactiongroup.h")
        or srcLoc.startswith("include/svl/svdde.hxx")
        or srcLoc.startswith("lotuswordpro/source/filter/lwpsdwdrawheader.hxx")
        or srcLoc.startswith("hwpfilter/")
        or srcLoc.startswith("embeddedobj/source/inc/")
        or srcLoc.startswith("svtools/source/dialogs/insdlg.cxx")
        or srcLoc.startswith("bridges/")):
        continue
    if d[0] in set([ "AtkObjectWrapperClass", "AtkObjectWrapper", "GLOMenu", "GLOAction", "_XRegion", "SalMenuButtonItem", "Vertex",
            "OOoMountOperationClass", "SwCSS1ItemIds", "ScCompiler::AddInMap", "MemoryByteGrabber", "textcat_t", "fp_t", "ngram_t",
            "ImplPPTParaPropSet", "DataNode"]):
        continue
    # unit testing code
    if srcLoc.startswith("cppu/source/uno/check.cxx"):
        continue
    fieldType = definitionToTypeMap[d]
    if "ModuleClient" in fieldType:
        continue
    if "::sfx2::sidebar::ControllerItem" in fieldType:
        continue
    if "(lambda at " in d[0]:
        continue
    if "weld::CustomWeld" in fieldType:
        continue
    if "weld::Container" in fieldType:
        continue
    if "weld::Frame" in fieldType:
        continue
    untouchedSet.add((d[0] + " " + d[1] + " " + fieldType, srcLoc))
    untouchedSetD.add(d)

# Calculate only-touched-in-constructor set
onlyUsedInConstructorSet = set()
for d in definitionSet:
    if d in touchedFromOutsideSet or d in touchedFromOutsideConstructorSet:
        continue
    srcLoc = definitionToSourceLocationMap[d]
    # this is all representations of on-disk data structures
    if (srcLoc.startswith("sc/source/filter/inc/scflt.hxx")
        or srcLoc.startswith("sw/source/filter/ww8/")
        or srcLoc.startswith("vcl/source/filter/sgvmain.hxx")
        or srcLoc.startswith("vcl/source/filter/sgfbram.hxx")
        or srcLoc.startswith("vcl/inc/unx/gtk/gloactiongroup.h")
        or srcLoc.startswith("include/svl/svdde.hxx")
        or srcLoc.startswith("lotuswordpro/source/filter/lwpsdwdrawheader.hxx")
        or srcLoc.startswith("hwpfilter/")
        or srcLoc.startswith("embeddedobj/source/inc/")
        or srcLoc.startswith("svtools/source/dialogs/insdlg.cxx")
        or srcLoc.startswith("bridges/")):
        continue
    fieldType = definitionToTypeMap[d]
    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
    if "SvxRatioConnector" in fieldType:
        continue
    if "(lambda at " in d[0]:
        continue
    onlyUsedInConstructorSet.add((d[0] + " " + d[1] + " " + fieldType, srcLoc))

writeonlySet = set()
for d in definitionSet:
    parentClazz = d[0]
    if d in readFromSet or d in untouchedSetD:
        continue
    srcLoc = definitionToSourceLocationMap[d]
    # this is all representations of on-disk data structures
    if (srcLoc.startswith("sc/source/filter/inc/scflt.hxx")
        or srcLoc.startswith("sw/source/filter/ww8/")
        or srcLoc.startswith("vcl/source/filter/sgvmain.hxx")
        or srcLoc.startswith("vcl/source/filter/sgfbram.hxx")
        or srcLoc.startswith("vcl/inc/unx/gtk/gloactiongroup.h")
        or srcLoc.startswith("include/svl/svdde.hxx")
        or srcLoc.startswith("lotuswordpro/source/filter/lwpsdwdrawheader.hxx")
        or srcLoc.startswith("svtools/source/dialogs/insdlg.cxx")):
        continue
    fieldType = definitionToTypeMap[d]
    if "ModuleClient" in fieldType:
        continue
    if "::sfx2::sidebar::ControllerItem" in fieldType:
        continue
    # ignore reference fields, because writing to them actually writes to another field somewhere else
    if fieldType.endswith("&"):
        continue
    # ignore the import/export data model stuff
    if srcLoc.startswith("sc/source/filter/inc/") and "Model" in fieldType:
        continue
    if srcLoc.startswith("sc/source/filter/inc/") and (parentClazz.startswith("Xcl") or parentClazz.startswith("oox::xls::")):
        continue
    # implement some kind of registration of errors
    if fieldType == "class SfxErrorHandler *":
        continue
    # mutex locking
    if "Guard" in fieldType:
        continue
    # these are just all model classes
    if (srcLoc.startswith("lotuswordpro/")
        or srcLoc.startswith("hwpfilter/")):
        continue
    if "(lambda at " in d[0]:
        continue
    if "weld::CustomWeld" in fieldType:
        continue
    if "weld::Container" in fieldType:
        continue
    if "weld::Frame" in fieldType:
        continue
    writeonlySet.add((d[0] + " " + d[1] + " " + definitionToTypeMap[d], srcLoc))

readonlySet = set()
for d in definitionSet:
    parentClazz = d[0]
    if d in writeToSet or d in untouchedSetD:
        continue
    fieldType = definitionToTypeMap[d]
    srcLoc = definitionToSourceLocationMap[d]
    if "ModuleClient" in fieldType:
        continue
    # this is all representations of on-disk data structures
    if (srcLoc.startswith("sc/source/filter/inc/scflt.hxx")
        or srcLoc.startswith("sw/source/filter/ww8/")
        or srcLoc.startswith("vcl/source/filter/sgvmain.hxx")
        or srcLoc.startswith("vcl/source/filter/sgfbram.hxx")
        or srcLoc.startswith("vcl/inc/unx/gtk/gloactiongroup.h")
        or srcLoc.startswith("include/svl/svdde.hxx")):
        continue
    # I really don't care about these ancient file formats
    if (srcLoc.startswith("hwpfilter/")
        or srcLoc.startswith("lotuswordpro/")):
        continue
    if "(lambda at " in d[0]:
        continue
    if "weld::CustomWeld" in fieldType:
        continue
    if "weld::Container" in fieldType:
        continue
    readonlySet.add((d[0] + " " + d[1] + " " + definitionToTypeMap[d], srcLoc))

canBePrivateSet = set()
for d in protectedAndPublicDefinitionSet:
    clazz = d[0] + " " + d[1]
    if d in touchedFromOutsideSet:
        continue
    srcLoc = definitionToSourceLocationMap[d]

    canBePrivateSet.add((clazz + " " + definitionToTypeMap[d], srcLoc))

# --------------------------------------------------------------------------------------------
# "all fields in class can be made private" analysis
# --------------------------------------------------------------------------------------------

potentialClasses = set()
excludedClasses = set()
potentialClassesSourceLocationMap = dict()
matchClassName = re.compile(r"(\w+)::")
for d in protectedAndPublicDefinitionSet:
    clazz = d[0]
    if d in touchedFromOutsideSet:
        excludedClasses.add(clazz)
    else:
        potentialClasses.add(clazz)
        potentialClassesSourceLocationMap[clazz] = definitionToSourceLocationMap[d]
allFieldsCanBePrivateSet = set()
for d in (potentialClasses - excludedClasses):
    sourceLoc = potentialClassesSourceLocationMap[d]
    # when the class is inside a compile unit, assume that the compiler can figure this out for itself, much less interesting to me
    if ".cxx" not in sourceLoc:
        allFieldsCanBePrivateSet.add((d, sourceLoc))

# 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(untouchedSet, key=lambda v: v_sort_key(v))
tmp2list = sorted(writeonlySet, key=lambda v: v_sort_key(v))
tmp3list = sorted(canBePrivateSet, key=lambda v: v_sort_key(v))
tmp4list = sorted(readonlySet, key=lambda v: v_sort_key(v))
tmp5list = sorted(onlyUsedInConstructorSet, key=lambda v: v_sort_key(v))
tmp6list = sorted(allFieldsCanBePrivateSet, key=lambda v: v_sort_key(v))

# print out the results
with open("compilerplugins/clang/unusedfields.untouched.results", "wt") as f:
    for t in tmp1list:
        f.write( t[1] + "\n" )
        f.write( " " + t[0] + "\n" )
with open("compilerplugins/clang/unusedfields.writeonly.results", "wt") as f:
    for t in tmp2list:
        f.write( t[1] + "\n" )
        f.write( " " + t[0] + "\n" )
# this one is not checked in yet because I haven't actually done anything with it
with open("loplugin.unusedfields.report-can-be-private", "wt") as f:
    for t in tmp3list:
        f.write( t[1] + "\n" )
        f.write( " " + t[0] + "\n" )
with open("compilerplugins/clang/unusedfields.readonly.results", "wt") as f:
    for t in tmp4list:
        f.write( t[1] + "\n" )
        f.write( " " + t[0] + "\n" )
with open("compilerplugins/clang/unusedfields.only-used-in-constructor.results", "wt") as f:
    for t in tmp5list:
        f.write( t[1] + "\n" )
        f.write( " " + t[0] + "\n" )
with open("compilerplugins/clang/unusedfields.report-all-can-be-private", "wt") as f:
    for t in tmp6list:
        f.write( t[1] + "\n" )
        f.write( " " + t[0] + "\n" )

quality100%

¤ Dauer der Verarbeitung: 0.12 Sekunden ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.