27 lines
1.2 KiB
Plaintext
27 lines
1.2 KiB
Plaintext
dnl @ ../doc/m4.texinfo:3455: Origin of test
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dnl @ expected status: 0
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dnl @ extra options:
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dnl @ Copyright (C) 2006, 2007, 2008, 2009 Free Software
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dnl @ Foundation, Inc.
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dnl @ This file is free software; the Free Software Foundation
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dnl @ gives unlimited permission to copy and/or distribute it
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dnl @ with or without modifications, as long as this notice
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dnl @ is preserved.
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undivert(`stack.m4')dnl
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dnl @result{}divert(`-1')
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dnl @result{}# stack_foreach(macro, action)
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dnl @result{}# Invoke ACTION with a single argument of each definition
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dnl @result{}# from the definition stack of MACRO, starting with the oldest.
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dnl @result{}define(`stack_foreach',
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dnl @result{}`_stack_reverse(`$1', `tmp-$1')'dnl
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dnl @result{}`_stack_reverse(`tmp-$1', `$1', `$2(defn(`$1'))')')
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dnl @result{}# stack_foreach_lifo(macro, action)
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dnl @result{}# Invoke ACTION with a single argument of each definition
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dnl @result{}# from the definition stack of MACRO, starting with the newest.
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dnl @result{}define(`stack_foreach_lifo',
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dnl @result{}`_stack_reverse(`$1', `tmp-$1', `$2(defn(`$1'))')'dnl
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dnl @result{}`_stack_reverse(`tmp-$1', `$1')')
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dnl @result{}define(`_stack_reverse',
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dnl @result{}`ifdef(`$1', `pushdef(`$2', defn(`$1'))$3`'popdef(`$1')$0($@)')')
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dnl @result{}divert`'dnl
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