/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */

/*
 *  Main authors:
 *     Guido Tack <guido.tack@monash.edu>
 */

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include <minizinc/aststring.hh>

#include <iostream>

#ifndef HAS_MEMCPY_S
namespace {
void memcpy_s(char* dest, size_t, const char* src, size_t count) { memcpy(dest, src, count); }
}  // namespace
#endif

namespace MiniZinc {

ASTStringO::ASTStringO(const std::string& s) : ASTChunk(s.size() + sizeof(size_t) + 1) {
  memcpy_s(_data + sizeof(size_t), s.size() + 1, s.c_str(), s.size());
  *(_data + sizeof(size_t) + s.size()) = 0;
  std::hash<std::string> h;
  reinterpret_cast<size_t*>(_data)[0] = h(s);
}

ASTStringO* ASTStringO::a(const std::string& s) {
  ASTStringO* as = static_cast<ASTStringO*>(alloc(1 + sizeof(size_t) + s.size()));
  new (as) ASTStringO(s);
  return as;
}

}  // namespace MiniZinc