Retro68/gcc/gcc/opt-gather.awk
Wolfgang Thaller 6fbf4226da gcc-9.1
2019-06-20 20:10:10 +02:00

55 lines
1.5 KiB
Awk

# Copyright (C) 2003-2019 Free Software Foundation, Inc.
# Contributed by Kelley Cook, June 2004.
# Original code from Neil Booth, May 2003.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
# This Awk script takes a list of *.opt files and combines them into
# a three-field sorted list suitable for input into opt[ch]-gen.awk.
#
# Usage: awk -f opt-gather.awk file1.opt [...] > outputfile
function sort(ARRAY, ELEMENTS)
{
for (i = 2; i <= ELEMENTS; ++i) {
for (j = i; ARRAY[j-1] > ARRAY[j]; --j) {
temp = ARRAY[j]
ARRAY[j] = ARRAY[j-1]
ARRAY[j-1] = temp
}
}
return
}
BEGIN { numrec = 0 }
# Ignore comments and blank lines
/^[ \t]*(;|$)/ { flag = 0; next }
/^[^ \t]/ { if (flag == 0) {
record[++numrec] = $0
flag = 1 }
else {
record[numrec] = record[numrec] SUBSEP $0
}
}
# Sort it and output it
END {
sort(record,numrec)
for (i = 1; i <= numrec; i++) {
print record[i] }
}