1 files changed, 54 insertions, 0 deletions
diff --git a/cppawk-include/fun.h b/cppawk-include/fun.h
new file mode 100644
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--- /dev/null
+++ b/cppawk-include/fun.h
@@ -0,0 +1,54 @@
+// cppawk: C preprocessor wrapper around awk
+// 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_H
+#define __CPPAWK_FUN_H
+
+#ifndef __CPPAWK_BASE_H
+#include "base.h"
+#endif
+
+#ifndef __CPPAWK_ITER_H
+#include "iter.h"
+#endif
+
+#ifndef __CPPAWK_CONS_H
+#include "cons.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(#fname, env)
+#define fun(fname)        #fname
+#define call(fobj, ...)   (consp(fobj)                                        \
+                           ? progn(__g(f) = car(fobj),                        \
+                                   @__g(f)(cdr(fobj), __VA_ARGS__))           \
+                           : @fobj(__VA_ARGS__))
+
+#endif