Bounds Highlights::get_callee_highlight_bounds()

in source/Highlights.cpp [451:497]

• 47 lines of code
• 11 McCabe index (conditional complexity)

Bounds Highlights::get_callee_highlight_bounds(
    const DexMethod* callee,
    const FileLines& lines,
    int callee_line_number,
    const AccessPath& callee_port) {
  if (!lines.has_line_number(callee_line_number)) {
    WARNING(
        3,
        "Trying to access line {} of a file with {} lines",
        callee_line_number,
        lines.size());
    return {callee_line_number, 0, 0};
  }
  auto line = lines.line(callee_line_number);
  auto callee_name = callee->get_name()->str();
  if (method::is_init(callee)) {
    auto class_name = get_class_name(callee);
    if (!class_name) {
      return {callee_line_number, 0, 0};
    }
    callee_name = "new " + *class_name;
  }
  auto callee_start = line.find(callee_name + "(");
  if (callee_start == std::string::npos) {
    return {callee_line_number, 0, 0};
  }
  std::size_t callee_end =
      std::min(callee_start + callee_name.length() - 1, line.length() - 1);
  Bounds callee_name_bounds = {
      callee_line_number,
      static_cast<int>(callee_start),
      static_cast<int>(callee_end)};
  if (!callee_port.root().is_argument() ||
      (method::is_init(callee) &&
       callee_port.root().parameter_position() == 0)) {
    return callee_name_bounds;
  }
  bool is_static = ::is_static(callee);
  if (callee_port.root().parameter_position() == 0 && !is_static) {
    return get_callee_this_parameter_bounds(line, callee_name_bounds);
  }
  return get_argument_bounds(
      callee_port.root().parameter_position(),
      is_static ? 0 : 1,
      lines,
      callee_name_bounds);
}