generr.awk
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# generr.awk -- Create error reporting sources for GNU Mailutils
# Copyright (C) 2005-2007, 2010-2012, 2014 Free Software Foundation,
# Inc.
#
# GNU Mailutils 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.
#
# GNU Mailutils 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 GNU Mailutils. If not, see <http://www.gnu.org/licenses/>.
# GNU Mailutils creates error reporting source files (muerrno.c and errno.h)
# for GNU Mailutils.
#
# Usage:
# awk -f generr.awk errors muerrno.cin > muerrno.c
# awk -f generr.awk errors muerrno.hin > errno.h
BEGIN {
defno = 0
}
ARGIND == 1 && /^ *#/ { next }
ARGIND == 1 && NF == 0 { next }
ARGIND == 1 {
def[defno] = $1
match(substr($0,length($1)), "[ \\t]+")
text[defno] = substr($0,length($1)+RLENGTH+1)
defno++
}
ARGIND == 2 && /\$AUTOWARN/ {
match($0,"\\$AUTOWARN");
rest = (RSTART+RLENGTH < length($0)) ? substr($0,RSTART+RLENGTH) : "";
print substr($0,1,RSTART-1) "This file is generated automatically. Please, do not edit." rest
next
}
ARGIND == 2 && $1 == "$MESSAGE_STRINGS" {
match($0, "[ \\t]+")
for (i = 0; i < defno; i++) {
printf "%*.*scase %s:\n", RLENGTH, RLENGTH, "", def[i]
printf "%*.*sreturn %s;\n\n", RLENGTH+2,RLENGTH+2,"", text[i]
}
total += defno;
next
}
ARGIND == 2 && $1 == "$MESSAGE_CODES" {
match($0, "[ \\t]+")
for (i = 0; i < defno; i++) {
printf "%*.*scase %s:\n", RLENGTH, RLENGTH, "", def[i]
printf "%*.*sreturn \"%s\";\n\n", RLENGTH+2,RLENGTH+2,"", def[i]
}
total += defno;
next
}
ARGIND == 2 && $1 == "$MESSAGE_DEFS" {
for (i = 0; i < defno; i++) {
print "#define " def[i] " (MU_ERR_BASE+" i ")"
}
print "#define MU_ERR_LAST (MU_ERR_BASE+" defno ")"
total += defno;
next
}
ARGIND == 2 {
print
}
END {
if (total == 0) {
print "Output file is empty" > "/dev/stderr"
exit 1
}
}
# End of generr.awk