def scan_file_object()

in src/advisor/scanners/makefile_scanner.py [0:0]
69 lines of code
27 McCabe index (conditional complexity)

    def scan_file_object(self, filename, file, report):
        continuation_parser = ContinuationParser()
        old_crt_lib_name = None
        seen_ucrt = False
        other_arch_cpu_condition = None
        seen_aarch64_cpu_condition = False
        d_other_arch = None
        seen_d_aarch64 = False
        targets = set()
        commands = set()
        assignments = dict()
        continuation_line = None

        for lineno, line in enumerate(file, 1):
            line = continuation_parser.parse_line(line)

            if not line:
                continue

            match = MakefileScanner.ARCH_SPECIFIC_LIBS_RE_PROG.search(line)
            if match:
                lib_name = match.group(1)
                report.add_issue(ArchSpecificLibraryIssue(
                    filename, lineno + 1, lib_name))
            match = MakefileScanner.OLD_CRT_RE_PROG.search(line)
            if match:
                old_crt_lib_name = match.group(1)
            match = MakefileScanner.UCRT_RE_PROG.search(line)
            if match:
                seen_ucrt = True
            match = MakefileScanner.OTHER_ARCH_CPU_LINE_RE_PROG.search(line)
            if match:
                other_arch_cpu_condition = line
            match = MakefileScanner.AARCH64_CPU_LINE_RE_PROG.search(line)
            if match:
                seen_aarch64_cpu_condition = True
            match = MakefileScanner.TARGET_RE_PROG.search(line)
            if match:
                target = match.group(1)
                if target.startswith('./') or target.startswith('.\\'):
                    target = target[2:]
                targets.add(target)
            match = MakefileScanner.COMMAND_RE_PROG.search(line)
            if match:
                command = match.group(1)
                if not command:
                    command = match.group(2)
                if command.startswith('./') or command.startswith('.\\'):
                    command = command[2:]
                commands.add(command)
            match = MakefileScanner.ASSIGNMENT_RE_PROG.search(line)
            if match:
                assignments['$(%s)' % match.group(1)] = match.group(2)
            match = MakefileScanner.D_OTHER_ARCH_RE_PROG.search(line)
            if match:
                if not d_other_arch:
                    d_other_arch = match.group(1)
            match = MakefileScanner.D_AARCH64_RE_PROG.search(line)
            if match:
                seen_d_aarch64 = True

        if old_crt_lib_name and not seen_ucrt:
            report.add_issue(OldCrtIssue(
                    filename, lineno + 1, old_crt_lib_name))
        if other_arch_cpu_condition and not seen_aarch64_cpu_condition:
            report.add_issue(HostCpuDetectionIssue(filename, lineno + 1, other_arch_cpu_condition))
        build_commands = targets.intersection(commands)
        for command in build_commands:
            if command in assignments:
                command = assignments[command]
            report.add_issue(BuildCommandIssue(filename, lineno + 1, command))
        if d_other_arch and not seen_d_aarch64:
            report.add_issue(DefineOtherArchIssue(filename, lineno + 1, d_other_arch))