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Diffstat (limited to 'checks/215.improved_f')
| -rw-r--r-- | checks/215.improved_f | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/checks/215.improved_f b/checks/215.improved_f new file mode 100644 index 0000000..95e5619 --- /dev/null +++ b/checks/215.improved_f @@ -0,0 +1,33 @@ +dnl @ ../doc/m4.texi:7790: Origin of test +dnl @ expected status: 0 +dnl @ extra options: +dnl @ Copyright (C) 2006, 2007, 2008, 2009 Free Software +dnl @ Foundation, Inc. +dnl @ This file is free software; the Free Software Foundation +dnl @ gives unlimited permission to copy and/or distribute it +dnl @ with or without modifications, as long as this notice +dnl @ is preserved. +undivert(`forloop2.m4')dnl +dnl @result{}divert(`-1') +dnl @result{}# forloop(var, from, to, stmt) - improved version: +dnl @result{}# works even if VAR is not a strict macro name +dnl @result{}# performs sanity check that FROM is larger than TO +dnl @result{}# allows complex numerical expressions in TO and FROM +dnl @result{}define(`forloop', `ifelse(eval(`($2) <= ($3)'), `1', +dnl @result{} `pushdef(`$1')_$0(`$1', eval(`$2'), +dnl @result{} eval(`$3'), `$4')popdef(`$1')')') +dnl @result{}define(`_forloop', +dnl @result{} `define(`$1', `$2')$4`'ifelse(`$2', `$3', `', +dnl @result{} `$0(`$1', incr(`$2'), `$3', `$4')')') +dnl @result{}divert`'dnl +include(`forloop2.m4') +dnl @result{} +forloop(`i', `2', `1', `no iteration occurs') +dnl @result{} +forloop(`', `1', `2', ` odd iterator name') +dnl @result{} odd iterator name odd iterator name +forloop(`i', `5 + 5', `0xc', ` 0x`'eval(i, `16')') +dnl @result{} 0xa 0xb 0xc +forloop(`i', `a', `b', `non-numeric bounds') +dnl @error{}m4:stdin:6: bad expression in eval (bad input): (a) <= (b) +dnl @result{} |