Class _ClassInfo

tfjs-backend-wasm/tools/cpplint.py:2262–2328

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 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 xrange(linenum - 1, self.starting_linenum, -1):
      match = 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')
        break

      if not Match(r'^\s*$', clean_lines.elided[i]):
        seen_last_thing_in_class = True

    # Check that closing brace is aligned with beginning of the class.
    # Only do this if the closing brace is indented by only whitespaces.