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# awk script to extract a config-specific .symlist file from a merged file.
# This must be passed run with awk -v config=TUPLE to specify the configuration
# tuple we will match. The merged file contains stanzas in the form:
# GLIBC_x.y regexp...
# | GLIBC_x.y.z regexp...
# | GLIBC_m.n regexp...
# function F
# variable D 0x4
# Each regexp is matched against TUPLE, and only matching stanzas go
# into the output, with the regexp list removed. Multiple version lines
# can match with the same regexp, meaning the stanza is duplicated in
# multiple version sets. The result matches the original .symlist file
# from abilist.awk that was fed into merge-abilist.awk.
BEGIN {
inside = 0;
}
/^ / {
inside = 1;
if (!ignore) {
for (version in current) {
if (version in versions)
versions[version] = versions[version] "\n" $0;
else
versions[version] = $0;
}
}
next;
}
{
second = ($1 == "|");
if (second && inside) {
printf "%s:%d: bad input line inside stanza: %s\n", FILENAME, FNR, $0;
exit 1;
}
inside = 0;
for (i = second ? 3 : 2; i <= NF; ++i) {
regex = "^" $i "$";
if (match(config, regex) != 0) {
if (!second || ignore)
# Clear old array.
split("", current);
current[second ? $2 : $1] = 1;
ignore = 0;
next;
}
}
if (!second)
ignore = 1;
next;
}
END {
nverlist = 0;
for (version in versions) {
if (nverslist == 0) {
verslist = version;
nverslist = 1;
continue;
}
split(verslist, s, "\n");
if (version < s[1]) {
verslist = version;
for (i = 1; i <= nverslist; ++i) {
verslist = verslist "\n" s[i];
}
}
else {
verslist = s[1];
for (i = 2; i <= nverslist; ++i) {
if (version < s[i]) break;
verslist = verslist "\n" s[i];
}
verslist = verslist "\n" version;
for (; i <= nverslist; ++i) {
verslist = verslist "\n" s[i];
}
}
++nverslist;
}
split(verslist, order, "\n");
for (i = 1; i <= nverslist; ++i) {
version = order[i];
print version;
outpipe = "sort";
print versions[version] | outpipe;
close(outpipe);
if (version == lastversion)
break;
}
}
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