p99_paste.h

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/* This may look like nonsense, but it really is -*- mode: C; coding: utf-8 -*- */
/*                                                                              */
/* Except for parts copied from previous work and as explicitly stated below,   */
/* the authors and copyright holders for this work are as follows:              */
/* (C) copyright  2010-2013 Jens Gustedt, INRIA, France                         */
/* (C) copyright  2012 William Morris                                           */
/*                                                                              */
/* This file is free software; it is part of the P99 project.                   */
/*                                                                              */
/* Licensed under the Apache License, Version 2.0 (the "License");              */
/* you may not use this file except in compliance with the License.             */
/* You may obtain a copy of the License at                                      */
/*                                                                              */
/*     http://www.apache.org/licenses/LICENSE-2.0                               */
/*                                                                              */
/* Unless required by applicable law or agreed to in writing, software          */
/* distributed under the License is distributed on an "AS IS" BASIS,            */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.     */
/* See the License for the specific language governing permissions and          */
/* limitations under the License.                                               */
/*                                                                              */
#ifndef     P99_PASTE_H_
# define    P99_PASTE_H_
 
#include "p99_generated.h"
 
/* This was inspired by BOOST's PP_CAT macro. Using such a thing avoids
   to define multiple levels of expansion for each macro. */
#define P99_PASTE0()
#define P99_PASTE1(_1) _1
 
#define P99_CAT2(_1, _2) _1 ## _2
 
#define P99_PASTE2(_1, _2) P99_CAT2(_1, _2)
#define P99_PASTE3(_1,  _2, _3)                                \
  P99_PASTE2(P99_PASTE2(_1, _2), _3)
#define P99_PASTE4(_1,  _2, _3, _4)                            \
  P99_PASTE2(P99_PASTE3(_1, _2, _3), _4)
#define P99_PASTE5(_1,  _2, _3, _4, _5)                        \
  P99_PASTE2(P99_PASTE4(_1, _2, _3, _4), _5)
#define P99_PASTE6(_1,  _2, _3, _4, _5, _6)                    \
  P99_PASTE2(P99_PASTE5(_1, _2, _3, _4, _5), _6)
 
#define P99_PASTID0()
#define P99_PASTID1(ID) ID
#define P00_PASTID2(ID0, ID1) ID0 ## _ ## ID1
#define P99_PASTID2(ID0, ID1) P99_IF_EMPTY(ID1)(P00_PASTID2(ID0, p007))(P00_PASTID2(ID0, ID1))
 
#define P99_PASTID(...) P99_PASTE2(P99_PASTID, P99_NARG(__VA_ARGS__))(__VA_ARGS__)
 
#ifndef P00_DOCUMENT_MULTIPLE_ARGUMENT
#define P00_DOCUMENT_TYPE_ARGUMENT(MACRO, N) 
#define P00_DOCUMENT_TYPE_IDENTIFIER_ARGUMENT(MACRO, N) 
#define P00_DOCUMENT_MULTIPLE_ARGUMENT(MACRO, N) 
#define P00_DOCUMENT_WARN_VLA_ARGUMENT(MACRO, N) 
#define P00_DOCUMENT_IDENTIFIER_ARGUMENT(MACRO, N) 
#define P00_DOCUMENT_PERMITTED_ARGUMENT(MACRO, N) 
#define P00_DOCUMENT_STATEMENT_ARGUMENT(MACRO, N)  
#define P00_DOCUMENT_DECLARATION_ARGUMENT(MACRO, N)
#define P00_DOCUMENT_MACRO_ARGUMENT(MACRO, N) 
#define P00_DOCUMENT_NUMBER_ARGUMENT(MACRO, N) 
#define P00_DOCUMENT_DESIGNATOR_ARGUMENT(MACRO, N) 
#endif
 
#endif      /* !P99_PASTE_H_ */