1 files changed, 0 insertions, 136 deletions
diff --git a/re b/re
deleted file mode 100755
index 415de0f..0000000
--- a/re
+++ /dev/null
@@ -1,136 +0,0 @@
-#!/usr/bin/perl
-
-# re -- reference-based literate programming system
-
-use strict;
-use warnings;
-use POSIX::Regex qw/:all/;
-
-my $bytes;
-my $count;
-my %bytes;           # file => current byte
-my %file_locations;  # file => [location, ...]
-my %files;           # byte => file
-my %handles;         # file => handle
-my %lines;           # file => current line
-my %locations;       # byte => location (i.e. byte in source file)
-my @references;
-
-die "usage: $0 file\n" if @ARGV != 1;
-open my $fh, '<', $ARGV[0] or die "could not open $ARGV[0]: $!\n";
-
-# collect references
-$bytes = 0;
-while (<$fh>) {
-	$bytes += length($_);
-	push @references, [$bytes, $1] if /^\.\s*Re\s+(.*)/;
-}
-
-# find referenced locations
-for (@references) {
-	my ($bytes, $ref) = @$_;
-	my $loc = -1;
-
-	goto invalid if not $ref =~ /^([^:]+):(.*)/;
-	my ($file, $ident) = ($1, $2);
-
-	if (not exists $handles{$file}) {
-		open my $fh, '<', $file or die "could not open $file: $!\n";
-		$handles{$file} = $fh;
-		$bytes{$file} = 0;
-		$lines{$file} = 0;
-	}
-
-	if ($ident =~ /^(\d+)$/) {
-		my $line = $1;
-		if ($ident <= $lines{$file}) {
-			seek $handles{$file}, 0, 0;
-			$bytes{$file} = 0;
-			$lines{$file} = 0;
-		}
-		local $_;
-		while ($_ = readline $handles{$file}) {
-			$lines{$file}++;
-			if ($lines{$file} == $line) {
-				$loc = $bytes{$file};
-				last;
-			}
-			$bytes{$file} += length($_);
-		}
-	} elsif ($ident =~ m{^/(.*)/$}) {
-		my $rx = new POSIX::Regex($1);
-		seek $handles{$file}, 0, 0;
-		$bytes{$file} = 0;
-		$lines{$file} = 0;
-		local $_;
-		while ($_ = readline $handles{$file}) {
-			$lines{$file}++;
-			chomp;
-			if ($rx->match($_)) {
-				$loc = $bytes{$file};
-				last;
-			}
-			$bytes{$file} += length($_)+1;
-		}
-	} else {
-		goto invalid;
-	}
-
-	die "could not find location $ident in $file\n" if $loc == -1;
-	$locations{$bytes} = $loc;
-	$files{$bytes} = $file;
-	if (exists $file_locations{$file}) {
-		push @{$file_locations{$file}}, $loc;
-	} else {
-		$file_locations{$file} = [];
-	}
-
-	next;
-invalid:
-	die "invalid syntax: $ref at $bytes\n";
-}
-
-# intertwine
-seek $fh, 0, 0;
-$bytes = 0;
-$count = 0;
-while (<$fh>) {
-	$bytes += length($_);
-	goto normal if not @references;
-	my $ref_bytes = $references[0][0];
-	if ($bytes == $ref_bytes) {
-		shift @references;
-		my $file = $files{$bytes};
-		my $end = shift @{$file_locations{$file}} || '';
-		my $loc = $locations{$bytes};
-
-		print ".Sr $file $loc-$end\n";
-
-		seek $handles{$file}, $loc, 0;
-		local $_;
-		my $bytes = $loc;
-		while ($_ = readline $handles{$file}) {
-			$bytes += length($_);
-			last if $end and $bytes > $end;
-			/^(\s*)/; my $indent = $1;
-			my $max = 64;
-			for (split //, $indent) {
-				$max -= 7 if /\t/;
-			}
-			s/(.{$max})(.{6,})/$1\\fR...\\fP\n$indent\t$2/g;
-			s/\\/\\\\/g;
-			s/\\\\fR...\\\\fP/\\fR...\\fP/g;
-			s/^\./\\&./m;
-			print;
-		}
-
-		print ".Se\n";
-
-		next;
-	}
-normal:
-	print;
-}
-
-close $_ for values %handles;
-close $fh;