# -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-

from waflib.Configure import conf

STD_TO_STRING = '''
#include <string>
int
main()
{
  std::string s = std::to_string(0);
  s = std::to_string(0l);
  s = std::to_string(0ll);
  s = std::to_string(0u);
  s = std::to_string(0ul);
  s = std::to_string(0ull);
  s = std::to_string(0.0f);
  s = std::to_string(0.0);
  s = std::to_string(0.0l);
  s.clear();
}
'''

@conf
def check_std_to_string(self):
    if self.check_cxx(msg='Checking for std::to_string',
                      fragment=STD_TO_STRING,
                      features='cxx', mandatory=False):
        self.define('HAVE_STD_TO_STRING', 1)

VECTOR_INSERT_ERASE_CONST_ITERATOR = '''
#include <vector>
int
main()
{
  std::vector<int> v;
  std::vector<int>::const_iterator it = v.cbegin();

  v.insert(it, 2);
  it = v.cend() - 1;
  v.erase(it);
}
'''

@conf
def check_vector_const_iterators(self):
    if self.check_cxx(msg='Checking for std::vector::insert with const_iterator',
                      fragment=VECTOR_INSERT_ERASE_CONST_ITERATOR,
                      features='cxx', mandatory=False):
        self.define('HAVE_VECTOR_INSERT_ERASE_CONST_ITERATOR', 1)

def configure(conf):
    conf.check_std_to_string()
    conf.check_vector_const_iterators()