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authorGary V. Vaughan <gary@gnu.org>2013-09-22 09:49:06 +0700
committerGary V. Vaughan <gary@gnu.org>2013-09-22 09:49:06 +0700
commit578bd023ea85d57d8488b8cb88265fbe3a3071e4 (patch)
treecc5a6088277c1a747041f5969cf21d7fca2ca4f1 /doc/examples/wrapfifo.m4
parent1eacf10370529972a7407bdbb368f5f69f87a1b8 (diff)
downloadm4-578bd023ea85d57d8488b8cb88265fbe3a3071e4.tar.gz
configury: move usage examples into doc subdirectory.
* examples: Move from here... * doc/examples: ...to here. * Makefile.am (EXTRA_DIST, dist_pkgdata_DATA): Adjust. * README, doc/m4.texi, tests/builtins.at, tests/generate.awk, tests/others.at: Likewise. Signed-off-by: Gary V. Vaughan <gary@gnu.org>
Diffstat (limited to 'doc/examples/wrapfifo.m4')
-rw-r--r--doc/examples/wrapfifo.m410
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/examples/wrapfifo.m4 b/doc/examples/wrapfifo.m4
new file mode 100644
index 00000000..95ff87a0
--- /dev/null
+++ b/doc/examples/wrapfifo.m4
@@ -0,0 +1,10 @@
+dnl Redefine m4wrap to have FIFO semantics.
+define(`_m4wrap_level', `0')dnl
+define(`m4wrap',
+`ifdef(`m4wrap'_m4wrap_level,
+ `define(`m4wrap'_m4wrap_level,
+ defn(`m4wrap'_m4wrap_level)`$1')',
+ `builtin(`m4wrap', `define(`_m4wrap_level',
+ incr(_m4wrap_level))dnl
+m4wrap'_m4wrap_level)dnl
+define(`m4wrap'_m4wrap_level, `$1')')')dnl