Ejemplo n.º 1
0
    def _analyze_line_impl(self, line, analysis, onCommentLine):
        '''
        Check for imports on each line, and record the line if found
        '''
        strippedLine = ' '.join(line.split())
        match = self.reImports.search(strippedLine)

        if match:
            lineNum = sum(self.counts['RawLines'])
            matchStr = utils.get_match_string(match)
            lineNums = self._fileDepends.get(strippedLine, [])
            lineNums.append(lineNum)
            self._fileDepends[strippedLine] = lineNums
Ejemplo n.º 2
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    def _search(self, lines, configEntry, measurements, analysis):
        '''
        Loop through the lines, comparing each aginst
        both the positve and negative list of search strings provided.
        '''
        positiveSearches, negativeSearches = self._setup_search_strings(
            configEntry.paramsProcessed)

        val_TotalHits = 0
        val_TotalLines = 0
        try:
            for rawLine in lines:
                line = utils.strip_null_chars(rawLine)
                val_TotalLines += 1

                matchTuple = self._first_match(line, positiveSearches,
                                               negativeSearches)
                if matchTuple:
                    origPatternStr, match = matchTuple
                    val_TotalHits += 1

                    # May search binaries, so take some steps to clean up exported string
                    cleanSearchLine = line.strip()
                    cleanSearchLine = cleanSearchLine[:self.MAX_STR_LEN]
                    cleanSearchLine = utils.safe_string(cleanSearchLine)
                    cleanSearchLine = utils.strip_annoying_chars(
                        cleanSearchLine)

                    # Export the findings
                    analysisItem = {}
                    analysisItem[
                        self.SEARCH_LINE] = cleanSearchLine[:self.MAX_STR_LEN]
                    analysisItem[self.SEARCH_LINENUM] = val_TotalLines
                    analysisItem[self.SEARCH_CONFIG_RE] = origPatternStr
                    analysisItem[self.SEARCH_REGEXP] = utils.get_match_pattern(
                        match)[:self.MAX_STR_LEN]
                    analysisItem[self.SEARCH_MATCH] = utils.get_match_string(
                        match)[:self.MAX_STR_LEN]
                    analysis.append(analysisItem)

        except Exception as e:
            raise utils.CsModuleException(
                "Error {}\n...searching line: {}".format(
                    str(e), str(val_TotalLines)))

        # Populate the measurement results with fixed totals
        if val_TotalHits > 0:
            measurements[self.LINES_TOTAL] = val_TotalLines
            measurements[self.SEARCH_TOTAL] = val_TotalHits
Ejemplo n.º 3
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    def _search_line_impl(self, line, analysis):
        '''
        Delegate search functionality to searchMixin
        '''
        searchLine = line
        if not self._includeStringContent:
            searchLine = self._strip_blanks_and_strings(searchLine)

        if not self._includeComments:
            searchLine = self._strip_inlines(searchLine)

        matchTuple = self._first_match(searchLine, self._positiveSearches, self._negativeSearches)
        if matchTuple:
            origPatternStr, match = matchTuple
            searchData = {}
            searchData[ self.SEARCH_LINE    ] = line.strip()[:self.MAX_STR_LEN]
            searchData[ self.SEARCH_LINENUM ] = str(sum(self.counts['RawLines']))
            searchData[ self.SEARCH_MATCH   ] = utils.get_match_string(match).strip()[:self.MAX_STR_LEN]
            searchData[ self.SEARCH_REGEXP  ] = utils.get_match_pattern(match).strip()[:self.MAX_STR_LEN]
            searchData[ self.SEARCH_CONFIG_RE  ] = str(origPatternStr)
            analysis.append(searchData)
Ejemplo n.º 4
0
    def _search_multi(self, lines, configEntry, measurements, analysis):
        '''
        Use multi-line searches
        '''
        # Make sure lines represents the text of the file
        try:
            lines = lines.read()
        except AttributeError:
            pass
        lines = utils.strip_null_chars(lines)

        positiveSearches, negativeSearches = self._setup_search_strings(
            configEntry.paramsProcessed)
        matchTuple = self._first_match(lines, positiveSearches,
                                       negativeSearches)
        if matchTuple:
            origPatternStr, match = matchTuple
            analysisItem = {}
            analysisItem[self.SEARCH_CONFIG_RE] = origPatternStr
            analysisItem[self.SEARCH_REGEXP] = utils.get_match_pattern(
                match)[:self.MAX_STR_LEN]
            analysisItem[self.SEARCH_MATCH] = utils.get_match_string(match)
            analysis.append(analysisItem)
Ejemplo n.º 5
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    def _routine_analyze_impl(self, line, analysis):
        '''
        Identify routine begining by searching for the regular expressions provided
        in the config file. Assume the current routine ends when the next one is
        found, while collecting information on a line-by-line basis
        '''

        # Create expanded line and estimate line nesting
        expandedLine = line.expandtabs(self.routineAvgIndent)
        indentDepth = len(expandedLine) - len(expandedLine.lstrip())
        nestingApprox = int(indentDepth / self.routineAvgIndent)
        routineNest = nestingApprox - self.currentRoutine['LineIndent']

        # Strip literals and assembly comments to avoid mistaken hits
        strippedLine = self._strip_blanks_and_strings(line)
        strippedLine = self._strip_inlines(strippedLine)

        # Is this line the start of a routine?
        routineStartMatch = self._detect_routine_start(line)
        if self._current_routine_ended(line, routineStartMatch, indentDepth):
            self._save_routine_info(analysis, self._activeBlock)
            self._foundFirstRoutineSinceTransition = True
            self._reset_routine_counts()

            # Cache information about this new routine definition
            self.currentRoutine['Line'] = line
            self.currentRoutine['LineNum'] = sum(self.counts['RawLines'])
            self.currentRoutine['LineCol'] = indentDepth
            self.currentRoutine['LineIndent'] = nestingApprox
            if routineStartMatch:
                origPatternStr, match = routineStartMatch
                self.currentRoutine['Name'] = utils.get_match_string(match)
                self.currentRoutine['RegEx'] = (origPatternStr, utils.get_match_pattern(match))
                self.counts['Routines'][self._activeBlock] += 1
                if self._logLevel:
                    log.code(1, "RoutineStart({})=>  {}".format(
                                self.currentRoutine['LineNum'], self.currentRoutine['Line']))
                    log.search(3, "  re: {} => name: {}".format(
                                self.currentRoutine['RegEx'][0][:40], self.currentRoutine['Name']))
            else:
                if self._logLevel:
                    log.code(1, "RoutineEnd({})=>  {}".format(
                                self.currentRoutine['LineNum'], self.currentRoutine['Line']))

        # If there are decision matches for the line
        complexLine = line if self._includeStringContent else strippedLine
        if self.reDecision.search(complexLine):
            if self._logLevel: log.search(2, "decision: {}".format(
                    utils.get_match_string(self.reDecision.search(complexLine))))
            self.counts['Decisions'][self._activeBlock] += 1
            self.currentRoutine['Decisions'] +=1

            # Check for the maximum indentation (as an indication of nesting depth)
            if routineNest > self.currentRoutine['MaxIndent']:
                self.currentRoutine['MaxIndent'] = routineNest

        if self.reEscapes.search(complexLine):
            if self._logLevel: log.search(3, "escape: {}".format(
                    utils.get_match_string(self.reEscapes.search(complexLine))))
            self.currentRoutine['Escapes'] +=1

        if self.reCases.search(complexLine):
            if self._logLevel: log.search(3, "case: {}".format(
                    utils.get_match_string(self.reCases.search(complexLine))))
            self.currentRoutine['Cases'] +=1

        if self.reBooleans.search(complexLine):
            if self._logLevel: log.search(3, "boolean: {}".format(
                    utils.get_match_string(self.reBooleans.search(complexLine))))
            self.currentRoutine['Booleans'] +=1