138 lines
2.7 KiB
Bash
Executable file
138 lines
2.7 KiB
Bash
Executable file
#!/bin/sh
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echo This script takes a minute to run. Be patient. 1>&2
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# pad stdin to multiple of 120 lines
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pad()
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{
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awk '{print} END{for(; NR%120!=0; NR++) print ""}'
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}
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# create formatted (numbered) files
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mkdir -p fmt
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rm fmt/*
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cp README fmt
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files=`grep -v '^#' runoff.list | awk '{print $1}'`
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n=99
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for i in $files
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do
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awk -v 'n='$n '
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BEGIN{n=int((n+49)/50)*50-1; nb=0; nr=0}
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NF==0 { nb++; next }
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{for(i=0; i<nb; i++) printf("%04d\n", n+ ++nr); nb=0; printf("%04d %s\n", n+ ++nr, $0)}
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END{for(nr++; nr%50 != 1; nr++) printf("%04d\n", n+nr);}
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' $i >fmt/$i
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n=`tail -1 fmt/$i | awk '{print $1}'`
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done
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# create table of contents
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pr -e8 -t runoff.list | awk '
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/^[a-z]/ {
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s=$0
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f="fmt/"$1
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getline<f
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close(f)
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n=$1
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printf("%02d %s\n", n/100, s);
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next
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}
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{
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print
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}' >fmt/toc
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# make definition list
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cd fmt
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perl -e '
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while(<>) {
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chomp;
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s!//.*!!;
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s!/\*([^*]|[*][^/])*\*/!!g;
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s!\s! !g;
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s! +$!!;
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# look for declarations like char* x;
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if (/^[0-9]+ typedef .* u(int|short|long|char);/) {
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next;
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}
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if (/^[0-9]+ extern/) {
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next;
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}
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if (/^[0-9]+ struct [a-zA-Z0-9_]+;/) {
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next;
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}
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if (/\(/) {
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next;
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}
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if (/^([0-9]+) (((static|struct|extern|union|enum) +)*([A-Za-z0-9_]+))( .*)? +([A-Za-z_][A-Za-z0-9_]*)[,;]/) {
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print "$1 $7\n"
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}
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elsif (/^([0-9]+) #define +([A-za-z0-9_]+) +?\(.*/) {
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print "$1 $2\n"
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}
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elsif (/^([0-9]+) #define +([A-Za-z0-9_]+) +([^ ]+)$/) {
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print "$1 $2 $3\n";
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}
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elsif (/^([0-9]+) #define +([A-Za-z0-9_]+)/) {
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print "$1 $2\n";
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}
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elsif(/^([0-9]+) (enum|struct|union) +([A-Za-z0-9_]+) +{/){
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print "$1 $3\n";
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}
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# TODO: enum members
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}
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' $files >defs
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perl -n -e 'print if s/^([0-9]+ [a-zA-Z0-9_]+)\(.*$/\1/;' $files |
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egrep -v ' (usage|main|if|for)$' >>defs
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(
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>s.defs
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# make reference list
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for i in `awk '{print $2}' defs | sort -fu`
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do
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defs=`egrep '^[0-9]+ '$i'( |$)' defs | awk '{print $1}'`
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echo $i $defs >>s.defs
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uses=`egrep -h '([^a-zA-Z_0-9])'$i'($|[^a-zA-Z_0-9])' $files | awk '{print $1}'`
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echo $i $defs
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echo $uses |fmt -24 | sed 's/^/ /'
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done
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) >refs
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# build defs list
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awk '
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{
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printf("%04d %s\n", $2, $1);
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for(i=3; i<=NF; i++)
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printf("%04d \" \n", $i);
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}
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' s.defs > t.defs
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# format the whole thing
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(
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pr -l60 -e8 README
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pr -l60 -e8 -2 toc
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pr -l60 -h "definitions" -2 t.defs | pad
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pr -l60 -h "cross-references" -2 refs | pad
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for i in $files
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do
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cat $i | pr -l60 -e8 -h "xv6/$i"
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done
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) | mpage -m50t50b -o -bLetter -T -t -2 -FCourier -L60 >all.ps
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grep Pages: all.ps
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# if we have the nice font, use it
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nicefont=~rsc/plan9/sys/lib/postscript/font/LucidaSans-Typewriter83
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if [ -f $nicefont ]
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then
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(sed 1q all.ps; cat $nicefont; sed '1d; s/Courier/LucidaSans-Typewriter83/' all.ps) >allf.ps
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else
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cp all.ps allf.ps
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fi
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ps2pdf allf.ps ../xv6.pdf
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