xv6/runoff
rsc fae7779da7 New formatting scripts.
The use/defs extraction in runoff still needs some work
for xv6 code style.
2006-09-05 15:50:55 +00:00

128 lines
2.5 KiB
Bash
Executable file

#!/bin/sh
echo This script takes a minute to run. Be patient. 1>&2
# pad stdin to multiple of 120 lines
pad()
{
awk '{print} END{for(; NR%120!=0; NR++) print ""}'
}
# create formatted (numbered) files
mkdir -p fmt
rm fmt/*
cp README fmt
files=`grep -v '^#' runoff.list | awk '{print $1}'`
n=99
for i in $files
do
awk -v 'n='$n '
BEGIN{n=int((n+49)/50)*50-1; nb=0; nr=0}
NF==0 { nb++; next }
{for(i=0; i<nb; i++) printf("%04d\n", n+ ++nr); nb=0; printf("%04d %s\n", n+ ++nr, $0)}
END{for(nr++; nr%50 != 1; nr++) printf("%04d\n", n+nr);}
' $i >fmt/$i
n=`tail -1 fmt/$i | awk '{print $1}'`
done
# create table of contents
pr -e8 -t runoff.list | awk '
/^[a-z]/ {
s=$0
f="fmt/"$1
getline<f
close(f)
n=$1
printf("%02d %s\n", n/100, s);
next
}
{
print
}' >fmt/toc
# make definition list
cd fmt
awk '
/^[0-9]+ [A-Za-z0-9_]+ .*[A-Za-z0-9_].*;/ {
s=$0;
sub(/\[.*/, "", s);
sub(/\(.*/, "", s);
sub(/ *=.*/, "", s);
sub(/.* \**/, "", s);
sub(/;.*/, "", s);
print $1, s
}
$2=="#define" {
if($3 ~ /\(/){
sub(/\(.*/, "", $3); print $1, $3
} else {
s = ""
for(i=4; i<=NF; i++){
s = s $i
}
print $1, $3, s
}
}
$2=="enum" { inenum = 1; v=-1; }
$2 == "};" { inenum = 0; }
inenum && $2 ~ /^[A-Z][a-zA-Z0-9_]+$/ {
if($3 == "="){
s = ""
for(i=4; i<=NF; i++){
s = s " " $i
}
sub(/,$/, "", s);
sub(/^ /, "", s);
v = s;
}else
v++;
print $1, $2, v;
}
$2=="struct" && $3 ~ /^[A-Z][a-zA-Z0-9_]+$/ {
print $1, $3;
}
' $files >defs
9 sed -n 's/^([0-9]+ [a-zA-Z0-9_]+)(.*)$/\1/p' $files |
egrep -v ' (usage|main|if|for)$' >>defs
(
>s.defs
# make reference list
for i in `awk '{print $2}' defs | sort -fu`
do
defs=`egrep '^[0-9]+ '$i'( |$)' defs | awk '{print $1}'`
echo $i $defs >>s.defs
uses=`egrep -h '([^a-zA-Z_0-9])'$i'($|[^a-zA-Z_0-9])' $files | awk '{print $1}'`
echo $i $defs
echo $uses |fmt -24 | sed 's/^/ /'
done
) >refs
# build defs list
awk '
{
printf("%04d %s\n", $2, $1);
for(i=3; i<=NF; i++)
printf("%04d \" \n", $i);
}
' s.defs > t.defs
# format the whole thing
(
pr -l60 -e4 README
pr -l60 -e4 toc
pr -l60 -h "definitions" -2 t.defs | pad
pr -l60 -h "cross-references" -2 refs | pad
pr -l60 -e4 $files
) | mpage -m50t50b -o -bLetter -t -2 -FCourier -L60 >all.ps
grep Pages: all.ps
# if we have the nice font, use it
nicefont=/home/am8/rsc/plan9/sys/lib/postscript/font/LucidaSans-Typewriter83
if [ -f $nicefont ]
then
(sed 1q all.ps; cat $nicefont; sed '1d; s/Courier/LucidaSans-Typewriter83/' all.ps) >allf.ps
else
cp all.ps allf.ps
fi
ps2pdf allf.ps ../xv6.pdf