php-src/build/order_by_dep.awk
2009-05-14 21:23:44 +00:00

87 lines
1.5 KiB
Awk

BEGIN {
orig_rs = RS;
orig_fs = FS;
RS=" ";
mod_count = 0;
SUBSEP=":";
}
function get_deps(module_name, depline, cmd)
{
# this could probably be made *much* better
RS=orig_rs;
FS="[(,) \t]+"
cmd = "grep PHP_ADD_EXTENSION_DEP ext/" module_name "/config*.m4"
while (cmd | getline) {
# printf("GOT: %s,%s,%s,%s,%s\n", $1, $2, $3, $4, $5);
if (!length($5)) {
$5 = 0;
}
mod_deps[module_name, $4] = $5;
}
close(cmd)
RS=" ";
FS=orig_fs;
}
function get_module_index(name, i)
{
for (i in mods) {
if (mods[i] == name) {
return i;
}
}
return -1;
}
function do_deps(mod_idx, module_name, mod_name_len, dep, ext, val, depidx)
{
module_name = mods[mod_idx];
mod_name_len = length(module_name);
for (ext in mod_deps) {
if (substr(ext, 0, mod_name_len+1) != module_name SUBSEP) {
continue;
}
val = mod_deps[ext];
ext = substr(ext, mod_name_len+2, length(ext)-mod_name_len);
depidx = get_module_index(ext);
if (depidx >= 0) {
do_deps(depidx);
}
}
printf(" phpext_%s_ptr,@NEWLINE@", module_name);
delete mods[mod_idx];
}
function count(arr, n, i)
{
n = 0;
for (i in arr)
n++;
return n;
}
/^[a-zA-Z0-9_-]+/ {
# mini hack for pedantic awk
gsub("[^a-zA-Z0-9_-]", "", $1)
# add each item to array
mods[mod_count++] = $1
# see if it has any module deps
get_deps($1);
}
END {
# order it correctly
out_count = 0;
while (count(mods)) {
for (i = 0; i <= mod_count - 1; i++) {
if (i in mods) {
do_deps(i);
}
}
}
}