/*
   +----------------------------------------------------------------------+
   | HipHop for PHP                                                       |
   +----------------------------------------------------------------------+
   | Copyright (c) 2010-2014 Facebook, Inc. (http://www.facebook.com)     |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
*/

#ifndef incl_HPHP_VM_FUNC_INLINE_H_
#define incl_HPHP_VM_FUNC_INLINE_H_

#include "hphp/runtime/base/runtime-error.h"
#include "hphp/runtime/vm/debugger-hook.h"

namespace HPHP {

ALWAYS_INLINE void setCachedFunc(Func* func, bool debugger) {
  assert(!func->isMethod());
  rds::Link<Func*> funcLink(func->funcHandle());
  auto const funcAddr = funcLink.get();
  if (UNLIKELY(*funcAddr != nullptr)) {
    if (*funcAddr == func) return;
    if (!(*funcAddr)->isAllowOverride()) {
      raise_error(Strings::FUNCTION_ALREADY_DEFINED, func->name()->data());
    }
  }
  *funcAddr = func;
  if (UNLIKELY(debugger)) phpDebuggerDefFuncHook(func);
}

}

#endif
