message: MacroDefVerilog codestyle
diff: #include <algorithm>
  #include <sstream>
  #include <assert.h>
  -#include <hdlConvertor/verilogPreproc/macro_def_verilog.h>
  #include <iostream>
  -using namespace std;
  +
  +#include <hdlConvertor/verilogPreproc/macro_def_verilog.h>
  namespace hdlConvertor {
  namespace verilog_pp {
  +using namespace std;
  +
  MacroDefVerilog::MacroDefVerilog(const string &_name, bool _has_params,
  const vector<param_info_t> &_params, const string &_body) :
  aMacroDef(_name), has_params(_has_params), params(_params) {
  @@ -34,8 +36,7 @@ string MacroDefVerilog::get_possible_arg_cnt_str() const {
  }
  void MacroDefVerilog::parse_body(const std::vector<param_info_t> &params,
  - const std::string & body,
  - std::vector<MacroDefVerilog::Fragment> & res) {
  + const std::string &body, std::vector<MacroDefVerilog::Fragment> &res) {
  collect_string_intervals(body);
  bool no_body = body.size() == 0;
  if (no_body || params.size() == 0) {
  