1 files changed, 50 insertions, 0 deletions
diff --git a/share/cppawk/include/fun-priv.h b/share/cppawk/include/fun-priv.h
new file mode 100644
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+++ b/share/cppawk/include/fun-priv.h
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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_FUN_PRIV_H
+#define __CPPAWK_FUN_PRIV_H
+
+#ifndef __CPPAWK_BASE_H
+#include "base.h"
+#endif
+
+#ifndef __CPPAWK_CONS_H
+#include "cons-priv.h"
+#endif
+
+#if !__have_indirect_functions
+#warning "<fun.h> requires an Awk with function indirection like newer GNU Awk"
+#endif
+
+#define __bind(fname, env)    __cons(__xstr(fname), env)
+#define __fun_(fname)         __xstr(fname)
+#define __call(fobj, ...)     (__consp(fobj)                                  \
+                              ? __progn(__g(f) = __car(fobj),                 \
+                                        @__g(f)(__cdr(fobj), ## __VA_ARGS__)) \
+                              : @fobj(__VA_ARGS__))
+
+#endif