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/****************************************************************************
* *
* GNAT COMPILER COMPONENTS *
* *
* A D A *
* *
* C Header File *
* *
* Copyright (C) 1992-2009, Free Software Foundation, Inc. *
* *
* GNAT is free software; you can redistribute it and/or modify it under *
* terms of the GNU General Public License as published by the Free Soft- *
* ware Foundation; either version 3, or (at your option) any later ver- *
* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License *
* for more details. You should have received a copy of the GNU General *
* Public License distributed with GNAT; see file COPYING3. If not see *
* <http://www.gnu.org/licenses/>. *
* *
* GNAT was originally developed by the GNAT team at New York University. *
* Extensive contributions were provided by Ada Core Technologies Inc. *
* *
****************************************************************************/
/* This file contains some standard macros for performing Ada-like
operations. These are used to aid in the translation of other headers. */
#ifndef GCC_ADA_H
#define GCC_ADA_H
/* Inlined functions in header are preceded by INLINE, which is normally set
to extern inline for GCC, but may be set to static for use in standard
ANSI-C. */
#ifndef INLINE
#ifdef __GNUC__
#define INLINE static inline
#else
#define INLINE static
#endif
#endif
/* Define a macro to concatenate two strings. Write it for ANSI C and
for traditional C. */
#ifdef __STDC__
#define CAT(A,B) A##B
#else
#define _ECHO(A) A
#define CAT(A,B) ECHO(A)B
#endif
/* The following macro definition simulates the effect of a declaration of
a subtype, where the first two parameters give the name of the type and
subtype, and the third and fourth parameters give the subtype range. The
effect is to compile a typedef defining the subtype as a synonym for the
type, together with two constants defining the end points. */
#define SUBTYPE(SUBTYPE,TYPE,FIRST,LAST) \
typedef TYPE SUBTYPE; \
enum { CAT (SUBTYPE,__First) = FIRST, \
CAT (SUBTYPE,__Last) = LAST };
/* The following definition provides the equivalent of the Ada IN operator,
assuming that the subtype involved has been defined using the SUBTYPE
macro defined above. */
#define IN(VALUE,SUBTYPE) \
(((VALUE) >= (SUBTYPE) CAT (SUBTYPE,__First)) \
&& ((VALUE) <= (SUBTYPE) CAT (SUBTYPE,__Last)))
#endif
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