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* libm4.m4 (m4_dumpdefs, _m4_dumpdefs_up, _m4_dumpdefs_down): New

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macros.
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Akim Demaille 2000-10-12 07:38:42 +00:00
parent 32f853c7e3
commit e2e7203a0a
2 changed files with 35 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2000-10-12 Akim Demaille <akim@epita.fr>
* libm4.m4 (m4_dumpdefs, _m4_dumpdefs_up, _m4_dumpdefs_down): New
macros.
2000-10-11 Pavel Roskin <proski@gnu.org>
* tests/atgeneral.m4 (AT_CHECK): Make sure that $? is set to 0

31
libm4.m4
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@ -276,17 +276,46 @@ define([m4_match],
regexp([$1], [$2]), -1, [m4_match([$1], m4_shiftn(3, $@))],
[$3])])
# m4_do(STRING, ...)
# ------------------
# This macro invokes all its arguments (in sequence, of course). It is
# useful for making your macros more structured and readable by dropping
# unecessary dnl's and have the macros indented properly.
define([m4_do],
[ifelse($#, 0, [],
$#, 1, [$1],
[$1[]m4_do(m4_shift($@))])])
# _m4_dumpdefs_up(NAME)
# ---------------------
define([_m4_dumpdefs_up],
[ifdef([$1],
[pushdef([_m4_dumpdefs], defn([$1]))dnl
dumpdef([$1])dnl
popdef([$1])dnl
_m4_dumpdefs_up([$1])])])
# _m4_dumpdefs_down(NAME)
# -----------------------
define([_m4_dumpdefs_down],
[ifdef([_m4_dumpdefs],
[pushdef([$1], defn([_m4_dumpdefs]))dnl
popdef([_m4_dumpdefs])dnl
_m4_dumpdefs_down([$1])])])
# m4_dumpdefs(NAME)
# -----------------
# Similar to `dumpdef(NAME)', but if NAME was pushdef'ed, display its
# value stack (most recent displayed first).
define([m4_dumpdefs],
[_m4_dumpdefs_up([$1])dnl
_m4_dumpdefs_down([$1])])
## --------------------- ##
## Implementing m4 loops ##
## --------------------- ##