38 lines
1.4 KiB
Plaintext
38 lines
1.4 KiB
Plaintext
dnl @ ../doc/m4.texinfo:8035: 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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include(`foreach2.m4')
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dnl @result{}
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undivert(`foreach2.m4')dnl
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dnl @result{}include(`quote.m4')dnl
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dnl @result{}divert(`-1')
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dnl @result{}# foreach(x, (item_1, item_2, ..., item_n), stmt)
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dnl @result{}# parenthesized list, improved version
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dnl @result{}define(`foreach', `pushdef(`$1')_$0(`$1',
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dnl @result{} (dquote(dquote_elt$2)), `$3')popdef(`$1')')
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dnl @result{}define(`_arg1', `$1')
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dnl @result{}define(`_foreach', `ifelse(`$2', `(`')', `',
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dnl @result{} `define(`$1', _arg1$2)$3`'$0(`$1', (dquote(shift$2)), `$3')')')
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dnl @result{}divert`'dnl
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traceon(`shift')debugmode(`aq')
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dnl @result{}
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foreach(`x', `(`1', `2', `3', `4')', `x
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')dnl
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dnl @error{}m4trace: -4- shift(`1', `2', `3', `4')
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dnl @error{}m4trace: -4- shift(`2', `3', `4')
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dnl @error{}m4trace: -4- shift(`3', `4')
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dnl @result{}1
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dnl @error{}m4trace: -3- shift(``1'', ``2'', ``3'', ``4'')
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dnl @result{}2
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dnl @error{}m4trace: -3- shift(``2'', ``3'', ``4'')
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dnl @result{}3
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dnl @error{}m4trace: -3- shift(``3'', ``4'')
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dnl @result{}4
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dnl @error{}m4trace: -3- shift(``4'')
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