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// cppawk: C preprocessor wrapper around awk
// Copyright 2022 Kaz Kylheku <kaz@kylheku.com>
//
// BSD-2 License
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#ifndef __CPPAWK_BASE_H
#define __CPPAWK_BASE_H
#if __gawk__ && !defined __gawk_ver
#define __gawk_ver 040000
#endif
#define __cat(a, b) a ## b
#define __xcat(a, b) __cat(a, b)
#define __str(x) # x
#define __xstr(x) __str(x)
#define __g(name) __xcat(__, __xcat(name, __LINE__))
#define __gx(name, ext) __xcat(__, __xcat(name, __xcat(ext, __LINE__)))
#define __error(...) { printf(__VA_ARGS__); print; exit 1 }
#define __present(arg) ((arg) != "" || (arg) != 0)
#if __egawk__
#define __let(...) @let (__VA_ARGS__)
#define __have_let 1
#else
#define __let(...)
#endif
#if __gawk__
#define __have_switch 1
#if __gawk_ver >= 040000 || __egawk__
#define __have_indirect_functions 1
#endif
#endif
#endif
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