Class _ClassInfo

tools/cpplint.py:3079–3157

Stores information about a class.

class _ClassInfo(_BlockInfo):
    """Stores information about a class."""

    def __init__(self, name, class_or_struct, clean_lines, linenum):
        _BlockInfo.__init__(self, linenum, False)
        self.name = name
        self.is_derived = False
        self.check_namespace_indentation = True
        if class_or_struct == "struct":
            self.access = "public"
            self.is_struct = True
        else:
            self.access = "private"
            self.is_struct = False

        # Remember initial indentation level for this class.  Using raw_lines here
        # instead of elided to account for leading comments.
        self.class_indent = GetIndentLevel(clean_lines.raw_lines[linenum])

        # Try to find the end of the class.  This will be confused by things like:
        #   class A {
        #   } *x = { ...
        #
        # But it's still good enough for CheckSectionSpacing.
        self.last_line = 0
        depth = 0
        for i in range(linenum, clean_lines.NumLines()):
            line = clean_lines.elided[i]
            depth += line.count("{") - line.count("}")
            if not depth:
                self.last_line = i
                break

    def CheckBegin(self, filename, clean_lines, linenum, error):
        # Look for a bare ':'
        if re.search("(^|[^:]):($|[^:])", clean_lines.elided[linenum]):
            self.is_derived = True

    def CheckEnd(self, filename, clean_lines, linenum, error):
        # If there is a DISALLOW macro, it should appear near the end of
        # the class.
        seen_last_thing_in_class = False
        for i in range(linenum - 1, self.starting_linenum, -1):
            match = re.search(
                r"\b(DISALLOW_COPY_AND_ASSIGN|DISALLOW_IMPLICIT_CONSTRUCTORS)\("
                + self.name
                + r"\)",
                clean_lines.elided[i],
            )
            if match:
                if seen_last_thing_in_class:
                    error(
                        filename,
                        i,
                        "readability/constructors",
                        3,
                        match.group(1) + " should be the last thing in the class",
                    )