runoff changes
This commit is contained in:
rsc
parent
72a590d9e5
commit
ec5783cbd2
5 changed files with 160 additions and 91 deletions
35
pr.pl
Executable file
35
pr.pl
Executable file
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@ -0,0 +1,35 @@
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#!/usr/bin/perl
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use POSIX qw(strftime);
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if($ARGV[0] eq "-h"){
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shift @ARGV;
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$h = $ARGV[0];
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shift @ARGV;
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}else{
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$h = $ARGV[0];
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}
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$page = 0;
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$now = strftime "%b %e %H:%M %Y", localtime;
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@lines = <>;
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for($i=0; $i<@lines; $i+=50){
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print "\n\n";
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++$page;
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print "$now $h Page $page\n";
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print "\n\n";
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for($j=$i; $j<@lines && $j<$i +50; $j++){
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print $lines[$j];
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}
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for(; $j<$i+50; $j++){
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print "\n";
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}
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$sheet = "";
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if($lines[$i] =~ /^([0-9][0-9])[0-9][0-9] /){
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$sheet = "Sheet $1";
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}
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print "\n\n";
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print "$sheet\n";
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print "\n\n";
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}
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103
runoff
103
runoff
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@ -16,90 +16,7 @@ files=`grep -v '^#' runoff.list | awk '{print $1}'`
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n=99
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for i in $files
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do
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perl -e '$n='$n';' -e '
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$n = int(($n+49)/50)*50 - 1;
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@lines = <>;
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foreach (@lines) {
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chomp;
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s/\s+$//;
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if(length() >= 75){
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print "$ARGV[0]:$.: line too long";
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}
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}
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@outlines = ();
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$nextout = 0;
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for($i=0; $i<@lines; ){
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# Skip leading blank lines.
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$i++ while $i<@lines && $lines[$i] =~ /^$/;
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last if $i>=@lines;
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# If the rest of the file fits, use the whole thing.
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if(@lines <= $i+50){
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$breakbefore = @lines;
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}else{
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# Find a good next page break;
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# Hope for end of function.
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# but settle for a blank line (but not first blank line
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# in function, which comes after variable declarations).
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$breakbefore = $i;
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$lastblank = $i;
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$sawbrace = 0;
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$breaksize = 15; # 15 lines to get to function
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for($j=$i; $j<$i+50 && $j < @lines; $j++){
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if($lines[$j] =~ /PAGEBREAK:\s*([0-9]+)/){
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$breaksize = int($2);
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$breakbefore = $j;
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$lines[$j] = "";
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}
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if($lines[$j] =~ /^}$/){
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$breakbefore = $j+1;
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}
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if($lines[$j] =~ /^{$/){
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$sawbrace = 1;
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}
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if($lines[$j] =~ /^$/){
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if($sawbrace){
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$sawbrace = 0;
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}else{
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$lastblank = $j;
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}
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}
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}
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if($j<@lines && $lines[$j] =~ /^$/){
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$lastblank = $j;
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}
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# If we are not putting enough on a page, try a blank line.
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if($breakbefore - $i < 50 - $breaksize && $lastblank > $breakbefore && $lastblank >= $i+50 - 5){
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$breakbefore = $lastblank;
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$breaksize = 5; # only 5 lines to get to blank line
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}
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# If we are not putting enough on a page, force a full page.
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if($breakbefore - $i < 50 - $breaksize && $breakbefore != @lines){
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$breakbefore = $i + 50;
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$breakbefore = @lines if @lines < $breakbefore;
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}
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if($breakbefore < $i+2){
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$breakbefore = $i+2;
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}
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}
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# Emit the page.
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$i50 = $i + 50;
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for(; $i<$breakbefore; $i++){
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printf "%04d %s\n", ++$n, $lines[$i];
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}
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# Finish page
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for($j=$i; $j<$i50; $j++){
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printf "%04d \n", ++$n;
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}
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}
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' $i >fmt/$i
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runoff1 -n $n $i >fmt/$i
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nn=`tail -1 fmt/$i | sed 's/ .*//; s/^0*//'`
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if [ "x$nn" != x ]; then
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n=$nn
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@ -107,8 +24,9 @@ do
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done
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# create table of contents
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cat toc.hdr >fmt/toc
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pr -e8 -t runoff.list | awk '
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/^[a-z]/ {
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/^[a-z0-9]/ {
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s=$0
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f="fmt/"$1
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getline<f
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@ -119,7 +37,8 @@ pr -e8 -t runoff.list | awk '
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}
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{
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print
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}' >fmt/toc
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}' | pr -3 -t >>fmt/toc
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cat toc.ftr >>fmt/toc
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# make definition list
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cd fmt
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@ -197,13 +116,15 @@ awk '
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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 -h "table of contents" -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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../pr.pl README
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../pr.pl -h "table of contents" toc
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# pr -t -2 t.defs | ../pr.pl -h "definitions" | pad
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pr -t -l50 -2 refs | ../pr.pl -h "cross-references" | pad
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# pr.pl -h "definitions" -2 t.defs | pad
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# pr.pl -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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../pr.pl -h "xv6/$i" $i
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done
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) | mpage -m50t50b -o -bLetter -T -t -2 -FCourier -L60 >all.ps
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grep Pages: all.ps
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90
runoff1
Executable file
90
runoff1
Executable file
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@ -0,0 +1,90 @@
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#!/usr/bin/perl
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$n = 0;
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if($ARGV[0] eq "-n") {
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$n = $ARGV[1];
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shift @ARGV;
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shift @ARGV;
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}
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$n = int(($n+49)/50)*50 - 1;
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@lines = <>;
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foreach (@lines) {
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chomp;
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s/\s+$//;
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if(length() >= 75){
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print "$ARGV[0]:$.: line too long";
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}
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}
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@outlines = ();
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$nextout = 0;
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for($i=0; $i<@lines; ){
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# Skip leading blank lines.
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$i++ while $i<@lines && $lines[$i] =~ /^$/;
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last if $i>=@lines;
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# If the rest of the file fits, use the whole thing.
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if(@lines <= $i+50){
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$breakbefore = @lines;
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}else{
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# Find a good next page break;
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# Hope for end of function.
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# but settle for a blank line (but not first blank line
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# in function, which comes after variable declarations).
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$breakbefore = $i;
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$lastblank = $i;
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$sawbrace = 0;
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$breaksize = 15; # 15 lines to get to function
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for($j=$i; $j<$i+50 && $j < @lines; $j++){
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if($lines[$j] =~ /PAGEBREAK:\s*([0-9]+)/){
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$breaksize = int($2);
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$breakbefore = $j;
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$lines[$j] = "";
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}
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if($lines[$j] =~ /^}$/){
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$breakbefore = $j+1;
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}
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if($lines[$j] =~ /^{$/){
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$sawbrace = 1;
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}
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if($lines[$j] =~ /^$/){
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if($sawbrace){
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$sawbrace = 0;
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}else{
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$lastblank = $j;
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}
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}
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}
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if($j<@lines && $lines[$j] =~ /^$/){
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$lastblank = $j;
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}
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# If we are not putting enough on a page, try a blank line.
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if($breakbefore - $i < 50 - $breaksize && $lastblank > $breakbefore && $lastblank >= $i+50 - 5){
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$breakbefore = $lastblank;
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$breaksize = 5; # only 5 lines to get to blank line
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}
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# If we are not putting enough on a page, force a full page.
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if($breakbefore - $i < 50 - $breaksize && $breakbefore != @lines){
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$breakbefore = $i + 50;
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$breakbefore = @lines if @lines < $breakbefore;
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}
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if($breakbefore < $i+2){
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$breakbefore = $i+2;
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}
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}
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# Emit the page.
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$i50 = $i + 50;
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for(; $i<$breakbefore; $i++){
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printf "%04d %s\n", ++$n, $lines[$i];
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}
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# Finish page
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for($j=$i; $j<$i50; $j++){
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printf "%04d \n", ++$n;
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}
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}
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16
toc.ftr
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16
toc.ftr
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@ -0,0 +1,16 @@
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The source listing is preceded by a cross-reference listing every defined
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constant, struct, global variable, and function in xv6. Each entry gives,
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on the same line as the name, the line number (or, in a few cases, numbers)
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where the name is defined. Successive lines in an entry list the line
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numbers where the name is used. For example, this entry:
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namei 4760
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0333 4760 4859 4908
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4958 5007 5016 5414
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5427 5512 5560 5640
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indicates that namei is defined on line 4760 and is mentioned on twelve lines
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on sheets 03, 47, 48, 49, 50, 54, 55, and 56.
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7
toc.hdr
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7
toc.hdr
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The numbers to the left of the file names in the table are sheet numbers.
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The source code has been printed in a double column format with fifty
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lines per column, giving one hundred lines per sheet (or page).
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Thus there is a convenient relationship between line numbers and sheet numbers.
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