ceph/src/boost/libs/wave/include/boost/wave/cpplexer/re2clex/aq.hpp

   1 /*=============================================================================
   2     Boost.Wave: A Standard compliant C++ preprocessor library
   3
   4     http://www.boost.org/
   5
   6     Copyright (c) 2001 Daniel C. Nuffer.
   7     Copyright (c) 2001-2012 Hartmut Kaiser.
   8     Distributed under the Boost Software License, Version 1.0. (See accompanying
   9     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  10 =============================================================================*/
  11
  12 #if !defined(AQ_HPP_A21D9145_B643_44C0_81E7_DB346DD67EE1_INCLUDED)
  13 #define AQ_HPP_A21D9145_B643_44C0_81E7_DB346DD67EE1_INCLUDED
  14
  15 #include <boost/wave/wave_config.hpp>
  16 #include <cstdlib>
  17
  18 // this must occur after all of the includes and before any code appears
  19 #ifdef BOOST_HAS_ABI_HEADERS
  20 #include BOOST_ABI_PREFIX
  21 #endif
  22
  23 ///////////////////////////////////////////////////////////////////////////////
  24 namespace boost {
  25 namespace wave {
  26 namespace cpplexer {
  27 namespace re2clex {
  28
  29 typedef std::size_t aq_stdelement;
  30
  31 typedef struct tag_aq_queuetype
  32 {
  33     std::size_t head;
  34     std::size_t tail;
  35     std::size_t size;
  36     std::size_t max_size;
  37     aq_stdelement* queue;
  38 } aq_queuetype;
  39
  40 typedef aq_queuetype* aq_queue;
  41
  42 int aq_enqueue(aq_queue q, aq_stdelement e);
  43 int aq_enqueue_front(aq_queue q, aq_stdelement e);
  44 int aq_serve(aq_queue q, aq_stdelement *e);
  45 int aq_pop(aq_queue q);
  46 #define AQ_EMPTY(q) (q->size == 0)
  47 #define AQ_FULL(q) (q->size == q->max_size)
  48 int aq_grow(aq_queue q);
  49
  50 BOOST_WAVE_DECL aq_queue aq_create(void);
  51 BOOST_WAVE_DECL void aq_terminate(aq_queue q);
  52
  53 ///////////////////////////////////////////////////////////////////////////////
  54 }   // namespace re2clex
  55 }   // namespace cpplexer
  56 }   // namespace wave
  57 }   // namespace boost
  58
  59 // the suffix header occurs after all of the code
  60 #ifdef BOOST_HAS_ABI_HEADERS
  61 #include BOOST_ABI_SUFFIX
  62 #endif
  63
  64 #endif // !defined(AQ_HPP_A21D9145_B643_44C0_81E7_DB346DD67EE1_INCLUDED)