[p5sagit/p5-mst-13.2.git] / x2p / s2p.SH

: This forces SH files to create target in same directory as SH file.
: This is so that make depend always knows where to find SH derivatives.
case "$0" in
*/*) cd `expr X$0 : 'X\(.*\)/'` ;;
esac
case $CONFIG in
'')
    if test ! -f config.sh; then
	ln ../config.sh . || \
	ln -s ../config.sh . || \
	ln ../../config.sh . || \
	ln ../../../config.sh . || \
	(echo "Can't find config.sh."; exit 1)
    fi 2>/dev/null
    . ./config.sh
    ;;
esac
echo "Extracting s2p (with variable substitutions)"
: This section of the file will have variable substitutions done on it.
: Move anything that needs config subs from !NO!SUBS! section to !GROK!THIS!.
: Protect any dollar signs and backticks that you do not want interpreted
: by putting a backslash in front.  You may delete these comments.
rm -f s2p
$spitshell >s2p <<!GROK!THIS!
#!$bin/perl

eval 'exec $bin/perl -S \$0 \${1+"\$@"}'
	if \$running_under_some_shell;

\$bin = '$bin';
!GROK!THIS!

: In the following dollars and backticks do not need the extra backslash.
$spitshell >>s2p <<'!NO!SUBS!'

# $RCSfile: s2p.SH,v $$Revision: 4.0.1.2 $$Date: 92/06/08 17:26:31 $
#
# $Log:	s2p.SH,v $
# Revision 4.0.1.2  92/06/08  17:26:31  lwall
# patch20: s2p didn't output portable startup code
# patch20: added ... as variant on ..
# patch20: s2p didn't translate s/pat/\&/ or s/pat/\$/ or s/pat/\\1/ right
# 
# Revision 4.0.1.1  91/06/07  12:19:18  lwall
# patch4: s2p now handles embedded newlines better and optimizes common idioms
# 
# Revision 4.0  91/03/20  01:57:59  lwall
# 4.0 baseline.
# 
#

$indent = 4;
$shiftwidth = 4;
$l = '{'; $r = '}';

while ($ARGV[0] =~ /^-/) {
    $_ = shift;
  last if /^--/;
    if (/^-D/) {
	$debug++;
	open(BODY,'>-');
	next;
    }
    if (/^-n/) {
	$assumen++;
	next;
    }
    if (/^-p/) {
	$assumep++;
	next;
    }
    die "I don't recognize this switch: $_\n";
}

unless ($debug) {
    open(BODY,">/tmp/sperl$$") ||
      &Die("Can't open temp file: $!\n");
}

if (!$assumen && !$assumep) {
    print BODY &q(<<'EOT');
:	while ($ARGV[0] =~ /^-/) {
:	    $_ = shift;
:	  last if /^--/;
:	    if (/^-n/) {
:		$nflag++;
:		next;
:	    }
:	    die "I don't recognize this switch: $_\\n";
:	}
:	
EOT
}

print BODY &q(<<'EOT');
:	#ifdef PRINTIT
:	#ifdef ASSUMEP
:	$printit++;
:	#else
:	$printit++ unless $nflag;
:	#endif
:	#endif
:	<><>
:	$\ = "\n";		# automatically add newline on print
:	<><>
:	#ifdef TOPLABEL
:	LINE:
:	while (chop($_ = <>)) {
:	#else
:	LINE:
:	while (<>) {
:	    chop;
:	#endif
EOT

LINE:
while (<>) {

    # Wipe out surrounding whitespace.

    s/[ \t]*(.*)\n$/$1/;

    # Perhaps it's a label/comment.

    if (/^:/) {
	s/^:[ \t]*//;
	$label = &make_label($_);
	if ($. == 1) {
	    $toplabel = $label;
	    if (/^(top|(re)?start|redo|begin(ning)|again|input)$/i) {
		$_ = <>;
		redo LINE; # Never referenced, so delete it if not a comment.
	    }
	}
	$_ = "$label:";
	if ($lastlinewaslabel++) {
	    $indent += 4;
	    print BODY &tab, ";\n";
	    $indent -= 4;
	}
	if ($indent >= 2) {
	    $indent -= 2;
	    $indmod = 2;
	}
	next;
    } else {
	$lastlinewaslabel = '';
    }

    # Look for one or two address clauses

    $addr1 = '';
    $addr2 = '';
    if (s/^([0-9]+)//) {
	$addr1 = "$1";
	$addr1 = "\$. == $addr1" unless /^,/;
    }
    elsif (s/^\$//) {
	$addr1 = 'eof()';
    }
    elsif (s|^/||) {
	$addr1 = &fetchpat('/');
    }
    if (s/^,//) {
	if (s/^([0-9]+)//) {
	    $addr2 = "$1";
	} elsif (s/^\$//) {
	    $addr2 = "eof()";
	} elsif (s|^/||) {
	    $addr2 = &fetchpat('/');
	} else {
	    &Die("Invalid second address at line $.\n");
	}
	if ($addr2 =~ /^\d+$/) {
	    $addr1 .= "..$addr2";
	}
	else {
	    $addr1 .= "...$addr2";
	}
    }

    # Now we check for metacommands {, }, and ! and worry
    # about indentation.

    s/^[ \t]+//;
    # a { to keep vi happy
    if ($_ eq '}') {
	$indent -= 4;
	next;
    }
    if (s/^!//) {
	$if = 'unless';
	$else = "$r else $l\n";
    } else {
	$if = 'if';
	$else = '';
    }
    if (s/^{//) {	# a } to keep vi happy
	$indmod = 4;
	$redo = $_;
	$_ = '';
	$rmaybe = '';
    } else {
	$rmaybe = "\n$r";
	if ($addr2 || $addr1) {
	    $space = ' ' x $shiftwidth;
	} else {
	    $space = '';
	}
	$_ = &transmogrify();
    }

    # See if we can optimize to modifier form.

    if ($addr1) {
	if ($_ !~ /[\n{}]/ && $rmaybe && !$change &&
	  $_ !~ / if / && $_ !~ / unless /) {
	    s/;$/ $if $addr1;/;
	    $_ = substr($_,$shiftwidth,1000);
	} else {
	    $_ = "$if ($addr1) $l\n$change$_$rmaybe";
	}
	$change = '';
	next LINE;
    }
} continue {
    @lines = split(/\n/,$_);
    for (@lines) {
	unless (s/^ *<<--//) {
	    print BODY &tab;
	}
	print BODY $_, "\n";
    }
    $indent += $indmod;
    $indmod = 0;
    if ($redo) {
	$_ = $redo;
	$redo = '';
	redo LINE;
    }
}
if ($lastlinewaslabel++) {
    $indent += 4;
    print BODY &tab, ";\n";
    $indent -= 4;
}

if ($appendseen || $tseen || !$assumen) {
    $printit++ if $dseen || (!$assumen && !$assumep);
    print BODY &q(<<'EOT');
:	#ifdef SAWNEXT
:	}
:	continue {
:	#endif
:	#ifdef PRINTIT
:	#ifdef DSEEN
:	#ifdef ASSUMEP
:	    print if $printit++;
:	#else
:	    if ($printit)
:		{ print; }
:	    else
:		{ $printit++ unless $nflag; }
:	#endif
:	#else
:	    print if $printit;
:	#endif
:	#else
:	    print;
:	#endif
:	#ifdef TSEEN
:	    $tflag = 0;
:	#endif
:	#ifdef APPENDSEEN
:	    if ($atext) { chop $atext; print $atext; $atext = ''; }
:	#endif
EOT

print BODY &q(<<'EOT');
:	}
EOT
}

close BODY;

unless ($debug) {
    open(HEAD,">/tmp/sperl2$$.c")
      || &Die("Can't open temp file 2: $!\n");
    print HEAD "#define PRINTIT\n"	if $printit;
    print HEAD "#define APPENDSEEN\n"	if $appendseen;
    print HEAD "#define TSEEN\n"	if $tseen;
    print HEAD "#define DSEEN\n"	if $dseen;
    print HEAD "#define ASSUMEN\n"	if $assumen;
    print HEAD "#define ASSUMEP\n"	if $assumep;
    print HEAD "#define TOPLABEL\n"	if $toplabel;
    print HEAD "#define SAWNEXT\n"	if $sawnext;
    if ($opens) {print HEAD "$opens\n";}
    open(BODY,"/tmp/sperl$$")
      || &Die("Can't reopen temp file: $!\n");
    while (<BODY>) {
	print HEAD $_;
    }
    close HEAD;

    print &q(<<"EOT");
:	#!$bin/perl
:	eval 'exec $bin/perl -S \$0 \${1+"\$@"}'
:		if \$running_under_some_shell;
:	
EOT
    open(BODY,"cc -E /tmp/sperl2$$.c |") ||
	&Die("Can't reopen temp file: $!\n");
    while (<BODY>) {
	/^# [0-9]/ && next;
	/^[ \t]*$/ && next;
	s/^<><>//;
	print;
    }
}

&Cleanup;
exit;

sub Cleanup {
    chdir "/tmp";
    unlink "sperl$$", "sperl2$$", "sperl2$$.c";
}
sub Die {
    &Cleanup;
    die $_[0];
}
sub tab {
    "\t" x ($indent / 8) . ' ' x ($indent % 8);
}
sub make_filehandle {
    local($_) = $_[0];
    local($fname) = $_;
    if (!$seen{$fname}) {
	$_ = "FH_" . $_ if /^\d/;
	s/[^a-zA-Z0-9]/_/g;
	s/^_*//;
	$_ = "\U$_";
	if ($fhseen{$_}) {
	    for ($tmp = "a"; $fhseen{"$_$tmp"}; $a++) {}
	    $_ .= $tmp;
	}
	$fhseen{$_} = 1;
	$opens .= &q(<<"EOT");
:	open($_, '>$fname') || die "Can't create $fname: \$!";
EOT
	$seen{$fname} = $_;
    }
    $seen{$fname};
}

sub make_label {
    local($label) = @_;
    $label =~ s/[^a-zA-Z0-9]/_/g;
    if ($label =~ /^[0-9_]/) { $label = 'L' . $label; }
    $label = substr($label,0,8);

    # Could be a reserved word, so capitalize it.
    substr($label,0,1) =~ y/a-z/A-Z/
      if $label =~ /^[a-z]/;

    $label;
}

sub transmogrify {
    {	# case
	if (/^d/) {
	    $dseen++;
	    chop($_ = &q(<<'EOT'));
:	<<--#ifdef PRINTIT
:	$printit = 0;
:	<<--#endif
:	next LINE;
EOT
	    $sawnext++;
	    next;
	}

	if (/^n/) {
	    chop($_ = &q(<<'EOT'));
:	<<--#ifdef PRINTIT
:	<<--#ifdef DSEEN
:	<<--#ifdef ASSUMEP
:	print if $printit++;
:	<<--#else
:	if ($printit)
:	    { print; }
:	else
:	    { $printit++ unless $nflag; }
:	<<--#endif
:	<<--#else
:	print if $printit;
:	<<--#endif
:	<<--#else
:	print;
:	<<--#endif
:	<<--#ifdef APPENDSEEN
:	if ($atext) {chop $atext; print $atext; $atext = '';}
:	<<--#endif
:	$_ = <>;
:	chop;
:	<<--#ifdef TSEEN
:	$tflag = 0;
:	<<--#endif
EOT
	    next;
	}

	if (/^a/) {
	    $appendseen++;
	    $command = $space . "\$atext .= <<'End_Of_Text';\n<<--";
	    $lastline = 0;
	    while (<>) {
		s/^[ \t]*//;
		s/^[\\]//;
		unless (s|\\$||) { $lastline = 1;}
		s/^([ \t]*\n)/<><>$1/;
		$command .= $_;
		$command .= '<<--';
		last if $lastline;
	    }
	    $_ = $command . "End_Of_Text";
	    last;
	}

	if (/^[ic]/) {
	    if (/^c/) { $change = 1; }
	    $addr1 = 1 if $addr1 eq '';
	    $addr1 = '$iter = (' . $addr1 . ')';
	    $command = $space .
	      "    if (\$iter == 1) { print <<'End_Of_Text'; }\n<<--";
	    $lastline = 0;
	    while (<>) {
		s/^[ \t]*//;
		s/^[\\]//;
		unless (s/\\$//) { $lastline = 1;}
		s/'/\\'/g;
		s/^([ \t]*\n)/<><>$1/;
		$command .= $_;
		$command .= '<<--';
		last if $lastline;
	    }
	    $_ = $command . "End_Of_Text";
	    if ($change) {
		$dseen++;
		$change = "$_\n";
		chop($_ = &q(<<"EOT"));
:	<<--#ifdef PRINTIT
:	$space\$printit = 0;
:	<<--#endif
:	${space}next LINE;
EOT
		$sawnext++;
	    }
	    last;
	}

	if (/^s/) {
	    $delim = substr($_,1,1);
	    $len = length($_);
	    $repl = $end = 0;
	    $inbracket = 0;
	    for ($i = 2; $i < $len; $i++) {
		$c = substr($_,$i,1);
		if ($c eq $delim) {
		    if ($inbracket) {
			substr($_, $i, 0) = '\\';
			$i++;
			$len++;
		    }
		    else {
			if ($repl) {
			    $end = $i;
			    last;
			} else {
			    $repl = $i;
			}
		    }
		}
		elsif ($c eq '\\') {
		    $i++;
		    if ($i >= $len) {
			$_ .= 'n';
			$_ .= <>;
			$len = length($_);
			$_ = substr($_,0,--$len);
		    }
		    elsif (substr($_,$i,1) =~ /^[n]$/) {
			;
		    }
		    elsif (!$repl &&
		      substr($_,$i,1) =~ /^[(){}\w]$/) {
			$i--;
			$len--;
			substr($_, $i, 1) = '';
		    }
		    elsif (!$repl &&
		      substr($_,$i,1) =~ /^[<>]$/) {
			substr($_,$i,1) = 'b';
		    }
		    elsif ($repl && substr($_,$i,1) =~ /^\d$/) {
			substr($_,$i-1,1) = '$';
		    }
		}
		elsif ($c eq '&' && $repl) {
		    substr($_, $i, 0) = '$';
		    $i++;
		    $len++;
		}
		elsif ($c eq '$' && $repl) {
		    substr($_, $i, 0) = '\\';
		    $i++;
		    $len++;
		}
		elsif ($c eq '[' && !$repl) {
		    $i++ if substr($_,$i,1) eq '^';
		    $i++ if substr($_,$i,1) eq ']';
		    $inbracket = 1;
		}
		elsif ($c eq ']') {
		    $inbracket = 0;
		}
		elsif ($c eq "\t") {
		    substr($_, $i, 1) = '\\t';
		    $i++;
		    $len++;
		}
		elsif (!$repl && index("()+",$c) >= 0) {
		    substr($_, $i, 0) = '\\';
		    $i++;
		    $len++;
		}
	    }
	    &Die("Malformed substitution at line $.\n")
	      unless $end;
	    $pat = substr($_, 0, $repl + 1);
	    $repl = substr($_, $repl+1, $end-$repl-1);
	    $end = substr($_, $end + 1, 1000);
	    &simplify($pat);
	    $dol = '$';
	    $subst = "$pat$repl$delim";
	    $cmd = '';
	    while ($end) {
		if ($end =~ s/^g//) {
		    $subst .= 'g';
		    next;
		}
		if ($end =~ s/^p//) {
		    $cmd .= ' && (print)';
		    next;
		}
		if ($end =~ s/^w[ \t]*//) {
		    $fh = &make_filehandle($end);
		    $cmd .= " && (print $fh \$_)";
		    $end = '';
		    next;
		}
		&Die("Unrecognized substitution command".
		  "($end) at line $.\n");
	    }
	    chop ($_ = &q(<<"EOT"));
:	<<--#ifdef TSEEN
:	$subst && \$tflag++$cmd;
:	<<--#else
:	$subst$cmd;
:	<<--#endif
EOT
	    next;
	}

	if (/^p/) {
	    $_ = 'print;';
	    next;
	}

	if (/^w/) {
	    s/^w[ \t]*//;
	    $fh = &make_filehandle($_);
	    $_ = "print $fh \$_;";
	    next;
	}

	if (/^r/) {
	    $appendseen++;
	    s/^r[ \t]*//;
	    $file = $_;
	    $_ = "\$atext .= `cat $file 2>/dev/null`;";
	    next;
	}

	if (/^P/) {
	    $_ = 'print $1 if /^(.*)/;';
	    next;
	}

	if (/^D/) {
	    chop($_ = &q(<<'EOT'));
:	s/^.*\n?//;
:	redo LINE if $_;
:	next LINE;
EOT
	    $sawnext++;
	    next;
	}

	if (/^N/) {
	    chop($_ = &q(<<'EOT'));
:	$_ .= "\n";
:	$len1 = length;
:	$_ .= <>;
:	chop if $len1 < length;
:	<<--#ifdef TSEEN
:	$tflag = 0;
:	<<--#endif
EOT
	    next;
	}

	if (/^h/) {
	    $_ = '$hold = $_;';
	    next;
	}

	if (/^H/) {
	    $_ = '$hold .= "\n"; $hold .= $_;';
	    next;
	}

	if (/^g/) {
	    $_ = '$_ = $hold;';
	    next;
	}

	if (/^G/) {
	    $_ = '$_ .= "\n"; $_ .= $hold;';
	    next;
	}

	if (/^x/) {
	    $_ = '($_, $hold) = ($hold, $_);';
	    next;
	}

	if (/^b$/) {
	    $_ = 'next LINE;';
	    $sawnext++;
	    next;
	}

	if (/^b/) {
	    s/^b[ \t]*//;
	    $lab = &make_label($_);
	    if ($lab eq $toplabel) {
		$_ = 'redo LINE;';
	    } else {
		$_ = "goto $lab;";
	    }
	    next;
	}

	if (/^t$/) {
	    $_ = 'next LINE if $tflag;';
	    $sawnext++;
	    $tseen++;
	    next;
	}

	if (/^t/) {
	    s/^t[ \t]*//;
	    $lab = &make_label($_);
	    $_ = q/if ($tflag) {$tflag = 0; /;
	    if ($lab eq $toplabel) {
		$_ .= 'redo LINE;}';
	    } else {
		$_ .= "goto $lab;}";
	    }
	    $tseen++;
	    next;
	}

	if (/^y/) {
	    s/abcdefghijklmnopqrstuvwxyz/a-z/g;
	    s/ABCDEFGHIJKLMNOPQRSTUVWXYZ/A-Z/g;
	    s/abcdef/a-f/g;
	    s/ABCDEF/A-F/g;
	    s/0123456789/0-9/g;
	    s/01234567/0-7/g;
	    $_ .= ';';
	}

	if (/^=/) {
	    $_ = 'print $.;';
	    next;
	}

	if (/^q/) {
	    chop($_ = &q(<<'EOT'));
:	close(ARGV);
:	@ARGV = ();
:	next LINE;
EOT
	    $sawnext++;
	    next;
	}
    } continue {
	if ($space) {
	    s/^/$space/;
	    s/(\n)(.)/$1$space$2/g;
	}
	last;
    }
    $_;
}

sub fetchpat {
    local($outer) = @_;
    local($addr) = $outer;
    local($inbracket);
    local($prefix,$delim,$ch);

    # Process pattern one potential delimiter at a time.

    DELIM: while (s#^([^\]+(|)[\\/]*)([]+(|)[\\/])##) {
	$prefix = $1;
	$delim = $2;
	if ($delim eq '\\') {
	    s/(.)//;
	    $ch = $1;
	    $delim = '' if $ch =~ /^[(){}A-Za-mo-z]$/;
	    $ch = 'b' if $ch =~ /^[<>]$/;
	    $delim .= $ch;
	}
	elsif ($delim eq '[') {
	    $inbracket = 1;
	    s/^\^// && ($delim .= '^');
	    s/^]// && ($delim .= ']');
	}
	elsif ($delim eq ']') {
	    $inbracket = 0;
	}
	elsif ($inbracket || $delim ne $outer) {
	    $delim = '\\' . $delim;
	}
	$addr .= $prefix;
	$addr .= $delim;
	if ($delim eq $outer && !$inbracket) {
	    last DELIM;
	}
    }
    $addr =~ s/\t/\\t/g;
    &simplify($addr);
    $addr;
}

sub q {
    local($string) = @_;
    local($*) = 1;
    $string =~ s/^:\t?//g;
    $string;
}

sub simplify {
    $_[0] =~ s/_a-za-z0-9/\\w/ig;
    $_[0] =~ s/a-z_a-z0-9/\\w/ig;
    $_[0] =~ s/a-za-z_0-9/\\w/ig;
    $_[0] =~ s/a-za-z0-9_/\\w/ig;
    $_[0] =~ s/_0-9a-za-z/\\w/ig;
    $_[0] =~ s/0-9_a-za-z/\\w/ig;
    $_[0] =~ s/0-9a-z_a-z/\\w/ig;
    $_[0] =~ s/0-9a-za-z_/\\w/ig;
    $_[0] =~ s/\[\\w\]/\\w/g;
    $_[0] =~ s/\[^\\w\]/\\W/g;
    $_[0] =~ s/\[0-9\]/\\d/g;
    $_[0] =~ s/\[^0-9\]/\\D/g;
    $_[0] =~ s/\\d\\d\*/\\d+/g;
    $_[0] =~ s/\\D\\D\*/\\D+/g;
    $_[0] =~ s/\\w\\w\*/\\w+/g;
    $_[0] =~ s/\\t\\t\*/\\t+/g;
    $_[0] =~ s/(\[.[^]]*\])\1\*/$1+/g;
    $_[0] =~ s/([\w\s!@#%^&-=,:;'"])\1\*/$1+/g;
}

!NO!SUBS!
chmod 755 s2p
$eunicefix s2p
Commit	Line	Data
a687059c	1	: This forces SH files to create target in same directory as SH file.
	2	: This is so that make depend always knows where to find SH derivatives.
	3	case "$0" in
	4	/) cd `expr X$0 : 'X\(.*\)/'` ;;
	5	esac
	6	case $CONFIG in
	7	'')
	8	if test ! -f config.sh; then
	9	ln ../config.sh . \|\| \
27e2fb84	10	ln -s ../config.sh . \|\| \
a687059c	11	ln ../../config.sh . \|\| \
	12	ln ../../../config.sh . \|\| \
	13	(echo "Can't find config.sh."; exit 1)
fe14fcc3	14	fi 2>/dev/null
e5d73d77	15	. ./config.sh
a687059c	16	;;
	17	esac
	18	echo "Extracting s2p (with variable substitutions)"
	19	: This section of the file will have variable substitutions done on it.
	20	: Move anything that needs config subs from !NO!SUBS! section to !GROK!THIS!.
	21	: Protect any dollar signs and backticks that you do not want interpreted
	22	: by putting a backslash in front. You may delete these comments.
2b69d0c2	23	rm -f s2p
a687059c	24	$spitshell >s2p <<!GROK!THIS!
	25	#!$bin/perl
	26
2b69d0c2	27	eval 'exec $bin/perl -S \$0 \${1+"\$@"}'
	28	if \$running_under_some_shell;
	29
a687059c	30	\$bin = '$bin';
	31	!GROK!THIS!
	32
	33	: In the following dollars and backticks do not need the extra backslash.
	34	$spitshell >>s2p <<'!NO!SUBS!'
	35
2b69d0c2	36	# $RCSfile: s2p.SH,v $$Revision: 4.0.1.2 $$Date: 92/06/08 17:26:31 $
378cc40b	37	#
a687059c	38	# $Log: s2p.SH,v $
2b69d0c2	39	# Revision 4.0.1.2 92/06/08 17:26:31 lwall
	40	# patch20: s2p didn't output portable startup code
	41	# patch20: added ... as variant on ..
	42	# patch20: s2p didn't translate s/pat/\&/ or s/pat/\$/ or s/pat/\\1/ right
	43	#
9ef589d8	44	# Revision 4.0.1.1 91/06/07 12:19:18 lwall
	45	# patch4: s2p now handles embedded newlines better and optimizes common idioms
	46	#
fe14fcc3	47	# Revision 4.0 91/03/20 01:57:59 lwall
fe14fcc3	48	# 4.0 baseline.
378cc40b	49	#
378cc40b	50	#
8d063cd8	51
	52	$indent = 4;
	53	$shiftwidth = 4;
	54	$l = '{'; $r = '}';
8d063cd8	55
0a12ae7d	56	while ($ARGV[0] =~ /^-/) {
8d063cd8	57	$_ = shift;
	58	last if /^--/;
	59	if (/^-D/) {
	60	$debug++;
0a12ae7d	61	open(BODY,'>-');
8d063cd8	62	next;
	63	}
	64	if (/^-n/) {
	65	$assumen++;
	66	next;
	67	}
	68	if (/^-p/) {
	69	$assumep++;
	70	next;
	71	}
378cc40b	72	die "I don't recognize this switch: $_\n";
8d063cd8	73	}
	74
	75	unless ($debug) {
0a12ae7d	76	open(BODY,">/tmp/sperl$$") \|\|
0a12ae7d	77	&Die("Can't open temp file: $!\n");
8d063cd8	78	}
	79
	80	if (!$assumen && !$assumep) {
9ef589d8	81	print BODY &q(<<'EOT');
	82	: while ($ARGV[0] =~ /^-/) {
	83	: $_ = shift;
	84	: last if /^--/;
	85	: if (/^-n/) {
	86	: $nflag++;
	87	: next;
	88	: }
	89	: die "I don't recognize this switch: $_\\n";
	90	: }
	91	:
0a12ae7d	92	EOT
8d063cd8	93	}
8d063cd8	94
9ef589d8	95	print BODY &q(<<'EOT');
	96	: #ifdef PRINTIT
	97	: #ifdef ASSUMEP
	98	: $printit++;
	99	: #else
	100	: $printit++ unless $nflag;
	101	: #endif
	102	: #endif
	103	: <><>
	104	: $\ = "\n"; # automatically add newline on print
	105	: <><>
	106	: #ifdef TOPLABEL
	107	: LINE:
	108	: while (chop($_ = <>)) {
	109	: #else
	110	: LINE:
	111	: while (<>) {
	112	: chop;
	113	: #endif
0a12ae7d	114	EOT
0a12ae7d	115
9ef589d8	116	LINE:
9ef589d8	117	while (<>) {
0a12ae7d	118
0a12ae7d	119	# Wipe out surrounding whitespace.
8d063cd8	120
8d063cd8	121	s/[ \t](.)\n$/$1/;
0a12ae7d	122
	123	# Perhaps it's a label/comment.
	124
8d063cd8	125	if (/^:/) {
8d063cd8	126	s/^:[ \t]*//;
0a12ae7d	127	$label = &make_label($_);
8d063cd8	128	if ($. == 1) {
8d063cd8	129	$toplabel = $label;
9ef589d8	130	if (/^(top\|(re)?start\|redo\|begin(ning)\|again\|input)$/i) {
	131	$_ = <>;
	132	redo LINE; # Never referenced, so delete it if not a comment.
	133	}
8d063cd8	134	}
8d063cd8	135	$_ = "$label:";
ffed7fef	136	if ($lastlinewaslabel++) {
ffed7fef	137	$indent += 4;
0a12ae7d	138	print BODY &tab, ";\n";
ffed7fef	139	$indent -= 4;
ffed7fef	140	}
8d063cd8	141	if ($indent >= 2) {
	142	$indent -= 2;
	143	$indmod = 2;
	144	}
	145	next;
	146	} else {
	147	$lastlinewaslabel = '';
	148	}
0a12ae7d	149
	150	# Look for one or two address clauses
	151
8d063cd8	152	$addr1 = '';
	153	$addr2 = '';
	154	if (s/^([0-9]+)//) {
	155	$addr1 = "$1";
9ef589d8	156	$addr1 = "\$. == $addr1" unless /^,/;
8d063cd8	157	}
	158	elsif (s/^\$//) {
	159	$addr1 = 'eof()';
	160	}
	161	elsif (s\|^/\|\|) {
0a12ae7d	162	$addr1 = &fetchpat('/');
8d063cd8	163	}
	164	if (s/^,//) {
	165	if (s/^([0-9]+)//) {
	166	$addr2 = "$1";
	167	} elsif (s/^\$//) {
	168	$addr2 = "eof()";
	169	} elsif (s\|^/\|\|) {
0a12ae7d	170	$addr2 = &fetchpat('/');
8d063cd8	171	} else {
0a12ae7d	172	&Die("Invalid second address at line $.\n");
8d063cd8	173	}
2b69d0c2	174	if ($addr2 =~ /^\d+$/) {
	175	$addr1 .= "..$addr2";
	176	}
	177	else {
	178	$addr1 .= "...$addr2";
	179	}
8d063cd8	180	}
0a12ae7d	181
	182	# Now we check for metacommands {, }, and ! and worry
	183	# about indentation.
	184
378cc40b	185	s/^[ \t]+//;
0a12ae7d	186	# a { to keep vi happy
8d063cd8	187	if ($_ eq '}') {
	188	$indent -= 4;
	189	next;
	190	}
	191	if (s/^!//) {
	192	$if = 'unless';
	193	$else = "$r else $l\n";
	194	} else {
	195	$if = 'if';
	196	$else = '';
	197	}
	198	if (s/^{//) { # a } to keep vi happy
	199	$indmod = 4;
	200	$redo = $_;
	201	$_ = '';
	202	$rmaybe = '';
	203	} else {
	204	$rmaybe = "\n$r";
	205	if ($addr2 \|\| $addr1) {
a687059c	206	$space = ' ' x $shiftwidth;
8d063cd8	207	} else {
	208	$space = '';
	209	}
0a12ae7d	210	$_ = &transmogrify();
8d063cd8	211	}
8d063cd8	212
0a12ae7d	213	# See if we can optimize to modifier form.
0a12ae7d	214
8d063cd8	215	if ($addr1) {
	216	if ($_ !~ /[\n{}]/ && $rmaybe && !$change &&
	217	$_ !~ / if / && $_ !~ / unless /) {
	218	s/;$/ $if $addr1;/;
	219	$_ = substr($_,$shiftwidth,1000);
	220	} else {
0a12ae7d	221	$_ = "$if ($addr1) $l\n$change$_$rmaybe";
8d063cd8	222	}
8d063cd8	223	$change = '';
0a12ae7d	224	next LINE;
8d063cd8	225	}
	226	} continue {
	227	@lines = split(/\n/,$_);
0a12ae7d	228	for (@lines) {
8d063cd8	229	unless (s/^ *<<--//) {
0a12ae7d	230	print BODY &tab;
8d063cd8	231	}
0a12ae7d	232	print BODY $_, "\n";
8d063cd8	233	}
	234	$indent += $indmod;
	235	$indmod = 0;
	236	if ($redo) {
	237	$_ = $redo;
	238	$redo = '';
0a12ae7d	239	redo LINE;
8d063cd8	240	}
8d063cd8	241	}
ffed7fef	242	if ($lastlinewaslabel++) {
ffed7fef	243	$indent += 4;
0a12ae7d	244	print BODY &tab, ";\n";
ffed7fef	245	$indent -= 4;
ffed7fef	246	}
8d063cd8	247
8d063cd8	248	if ($appendseen \|\| $tseen \|\| !$assumen) {
8d063cd8	249	$printit++ if $dseen \|\| (!$assumen && !$assumep);
9ef589d8	250	print BODY &q(<<'EOT');
	251	: #ifdef SAWNEXT
	252	: }
	253	: continue {
	254	: #endif
	255	: #ifdef PRINTIT
	256	: #ifdef DSEEN
	257	: #ifdef ASSUMEP
	258	: print if $printit++;
	259	: #else
	260	: if ($printit)
	261	: { print; }
	262	: else
	263	: { $printit++ unless $nflag; }
	264	: #endif
	265	: #else
	266	: print if $printit;
	267	: #endif
	268	: #else
	269	: print;
	270	: #endif
	271	: #ifdef TSEEN
	272	: $tflag = 0;
	273	: #endif
	274	: #ifdef APPENDSEEN
	275	: if ($atext) { chop $atext; print $atext; $atext = ''; }
	276	: #endif
	277	EOT
	278
	279	print BODY &q(<<'EOT');
	280	: }
0a12ae7d	281	EOT
8d063cd8	282	}
8d063cd8	283
0a12ae7d	284	close BODY;
8d063cd8	285
8d063cd8	286	unless ($debug) {
0a12ae7d	287	open(HEAD,">/tmp/sperl2$$.c")
0a12ae7d	288	\|\| &Die("Can't open temp file 2: $!\n");
9ef589d8	289	print HEAD "#define PRINTIT\n" if $printit;
	290	print HEAD "#define APPENDSEEN\n" if $appendseen;
	291	print HEAD "#define TSEEN\n" if $tseen;
	292	print HEAD "#define DSEEN\n" if $dseen;
	293	print HEAD "#define ASSUMEN\n" if $assumen;
	294	print HEAD "#define ASSUMEP\n" if $assumep;
	295	print HEAD "#define TOPLABEL\n" if $toplabel;
	296	print HEAD "#define SAWNEXT\n" if $sawnext;
0a12ae7d	297	if ($opens) {print HEAD "$opens\n";}
	298	open(BODY,"/tmp/sperl$$")
	299	\|\| &Die("Can't reopen temp file: $!\n");
	300	while (<BODY>) {
	301	print HEAD $_;
8d063cd8	302	}
0a12ae7d	303	close HEAD;
8d063cd8	304
9ef589d8	305	print &q(<<"EOT");
	306	: #!$bin/perl
	307	: eval 'exec $bin/perl -S \$0 \${1+"\$@"}'
	308	: if \$running_under_some_shell;
	309	:
0a12ae7d	310	EOT
	311	open(BODY,"cc -E /tmp/sperl2$$.c \|") \|\|
	312	&Die("Can't reopen temp file: $!\n");
	313	while (<BODY>) {
8d063cd8	314	/^# [0-9]/ && next;
	315	/^[ \t]*$/ && next;
	316	s/^<><>//;
	317	print;
	318	}
	319	}
	320
0a12ae7d	321	&Cleanup;
0a12ae7d	322	exit;
8d063cd8	323
0a12ae7d	324	sub Cleanup {
	325	chdir "/tmp";
	326	unlink "sperl$$", "sperl2$$", "sperl2$$.c";
	327	}
8d063cd8	328	sub Die {
0a12ae7d	329	&Cleanup;
8d063cd8	330	die $_[0];
8d063cd8	331	}
0a12ae7d	332	sub tab {
	333	"\t" x ($indent / 8) . ' ' x ($indent % 8);
	334	}
8d063cd8	335	sub make_filehandle {
0a12ae7d	336	local($_) = $_[0];
0a12ae7d	337	local($fname) = $_;
9ef589d8	338	if (!$seen{$fname}) {
	339	$_ = "FH_" . $_ if /^\d/;
	340	s/[^a-zA-Z0-9]/_/g;
	341	s/^_*//;
	342	$_ = "\U$_";
	343	if ($fhseen{$_}) {
	344	for ($tmp = "a"; $fhseen{"$_$tmp"}; $a++) {}
	345	$_ .= $tmp;
	346	}
	347	$fhseen{$_} = 1;
	348	$opens .= &q(<<"EOT");
	349	: open($_, '>$fname') \|\| die "Can't create $fname: \$!";
0a12ae7d	350	EOT
9ef589d8	351	$seen{$fname} = $_;
8d063cd8	352	}
9ef589d8	353	$seen{$fname};
8d063cd8	354	}
	355
	356	sub make_label {
0a12ae7d	357	local($label) = @_;
8d063cd8	358	$label =~ s/[^a-zA-Z0-9]/_/g;
	359	if ($label =~ /^[0-9_]/) { $label = 'L' . $label; }
	360	$label = substr($label,0,8);
0a12ae7d	361
	362	# Could be a reserved word, so capitalize it.
	363	substr($label,0,1) =~ y/a-z/A-Z/
	364	if $label =~ /^[a-z]/;
	365
8d063cd8	366	$label;
	367	}
	368
	369	sub transmogrify {
	370	{ # case
	371	if (/^d/) {
	372	$dseen++;
9ef589d8	373	chop($_ = &q(<<'EOT'));
	374	: <<--#ifdef PRINTIT
	375	: $printit = 0;
	376	: <<--#endif
	377	: next LINE;
0a12ae7d	378	EOT
9ef589d8	379	$sawnext++;
8d063cd8	380	next;
	381	}
	382
	383	if (/^n/) {
9ef589d8	384	chop($_ = &q(<<'EOT'));
	385	: <<--#ifdef PRINTIT
	386	: <<--#ifdef DSEEN
	387	: <<--#ifdef ASSUMEP
	388	: print if $printit++;
	389	: <<--#else
	390	: if ($printit)
	391	: { print; }
	392	: else
	393	: { $printit++ unless $nflag; }
	394	: <<--#endif
	395	: <<--#else
	396	: print if $printit;
	397	: <<--#endif
	398	: <<--#else
	399	: print;
	400	: <<--#endif
	401	: <<--#ifdef APPENDSEEN
	402	: if ($atext) {chop $atext; print $atext; $atext = '';}
	403	: <<--#endif
	404	: $_ = <>;
	405	: chop;
	406	: <<--#ifdef TSEEN
	407	: $tflag = 0;
	408	: <<--#endif
0a12ae7d	409	EOT
8d063cd8	410	next;
	411	}
	412
	413	if (/^a/) {
	414	$appendseen++;
9ef589d8	415	$command = $space . "\$atext .= <<'End_Of_Text';\n<<--";
8d063cd8	416	$lastline = 0;
	417	while (<>) {
	418	s/^[ \t]*//;
	419	s/^[\\]//;
	420	unless (s\|\\$\|\|) { $lastline = 1;}
8d063cd8	421	s/^([ \t]*\n)/<><>$1/;
	422	$command .= $_;
	423	$command .= '<<--';
	424	last if $lastline;
	425	}
9ef589d8	426	$_ = $command . "End_Of_Text";
8d063cd8	427	last;
	428	}
	429
	430	if (/^[ic]/) {
	431	if (/^c/) { $change = 1; }
9ef589d8	432	$addr1 = 1 if $addr1 eq '';
8d063cd8	433	$addr1 = '$iter = (' . $addr1 . ')';
9ef589d8	434	$command = $space .
9ef589d8	435	" if (\$iter == 1) { print <<'End_Of_Text'; }\n<<--";
8d063cd8	436	$lastline = 0;
	437	while (<>) {
	438	s/^[ \t]*//;
	439	s/^[\\]//;
	440	unless (s/\\$//) { $lastline = 1;}
	441	s/'/\\'/g;
	442	s/^([ \t]*\n)/<><>$1/;
	443	$command .= $_;
	444	$command .= '<<--';
	445	last if $lastline;
	446	}
9ef589d8	447	$_ = $command . "End_Of_Text";
8d063cd8	448	if ($change) {
	449	$dseen++;
	450	$change = "$_\n";
9ef589d8	451	chop($_ = &q(<<"EOT"));
	452	: <<--#ifdef PRINTIT
	453	: $space\$printit = 0;
	454	: <<--#endif
	455	: ${space}next LINE;
0a12ae7d	456	EOT
9ef589d8	457	$sawnext++;
8d063cd8	458	}
	459	last;
	460	}
	461
	462	if (/^s/) {
	463	$delim = substr($_,1,1);
	464	$len = length($_);
	465	$repl = $end = 0;
a687059c	466	$inbracket = 0;
8d063cd8	467	for ($i = 2; $i < $len; $i++) {
8d063cd8	468	$c = substr($_,$i,1);
a687059c	469	if ($c eq $delim) {
a687059c	470	if ($inbracket) {
0a12ae7d	471	substr($_, $i, 0) = '\\';
a687059c	472	$i++;
	473	$len++;
	474	}
	475	else {
	476	if ($repl) {
	477	$end = $i;
	478	last;
	479	} else {
	480	$repl = $i;
	481	}
	482	}
	483	}
	484	elsif ($c eq '\\') {
8d063cd8	485	$i++;
	486	if ($i >= $len) {
	487	$_ .= 'n';
	488	$_ .= <>;
	489	$len = length($_);
	490	$_ = substr($_,0,--$len);
	491	}
00bf170e	492	elsif (substr($_,$i,1) =~ /^[n]$/) {
	493	;
	494	}
0a12ae7d	495	elsif (!$repl &&
0a12ae7d	496	substr($_,$i,1) =~ /^[(){}\w]$/) {
8d063cd8	497	$i--;
8d063cd8	498	$len--;
0a12ae7d	499	substr($_, $i, 1) = '';
8d063cd8	500	}
0a12ae7d	501	elsif (!$repl &&
0a12ae7d	502	substr($_,$i,1) =~ /^[<>]$/) {
9f68db38	503	substr($_,$i,1) = 'b';
9f68db38	504	}
2b69d0c2	505	elsif ($repl && substr($_,$i,1) =~ /^\d$/) {
	506	substr($_,$i-1,1) = '$';
	507	}
	508	}
	509	elsif ($c eq '&' && $repl) {
	510	substr($_, $i, 0) = '$';
	511	$i++;
	512	$len++;
	513	}
	514	elsif ($c eq '$' && $repl) {
	515	substr($_, $i, 0) = '\\';
	516	$i++;
	517	$len++;
8d063cd8	518	}
a687059c	519	elsif ($c eq '[' && !$repl) {
	520	$i++ if substr($_,$i,1) eq '^';
	521	$i++ if substr($_,$i,1) eq ']';
	522	$inbracket = 1;
8d063cd8	523	}
a687059c	524	elsif ($c eq ']') {
	525	$inbracket = 0;
	526	}
9ef589d8	527	elsif ($c eq "\t") {
	528	substr($_, $i, 1) = '\\t';
	529	$i++;
	530	$len++;
	531	}
ae986130	532	elsif (!$repl && index("()+",$c) >= 0) {
0a12ae7d	533	substr($_, $i, 0) = '\\';
8d063cd8	534	$i++;
	535	$len++;
	536	}
	537	}
0a12ae7d	538	&Die("Malformed substitution at line $.\n")
0a12ae7d	539	unless $end;
8d063cd8	540	$pat = substr($_, 0, $repl + 1);
0a12ae7d	541	$repl = substr($_, $repl+1, $end-$repl-1);
8d063cd8	542	$end = substr($_, $end + 1, 1000);
9ef589d8	543	&simplify($pat);
8d063cd8	544	$dol = '$';
8d063cd8	545	$subst = "$pat$repl$delim";
	546	$cmd = '';
	547	while ($end) {
0a12ae7d	548	if ($end =~ s/^g//) {
	549	$subst .= 'g';
	550	next;
	551	}
	552	if ($end =~ s/^p//) {
	553	$cmd .= ' && (print)';
	554	next;
	555	}
8d063cd8	556	if ($end =~ s/^w[ \t]*//) {
0a12ae7d	557	$fh = &make_filehandle($end);
8d063cd8	558	$cmd .= " && (print $fh \$_)";
	559	$end = '';
	560	next;
	561	}
0a12ae7d	562	&Die("Unrecognized substitution command".
0a12ae7d	563	"($end) at line $.\n");
8d063cd8	564	}
9ef589d8	565	chop ($_ = &q(<<"EOT"));
	566	: <<--#ifdef TSEEN
	567	: $subst && \$tflag++$cmd;
	568	: <<--#else
	569	: $subst$cmd;
	570	: <<--#endif
0a12ae7d	571	EOT
8d063cd8	572	next;
	573	}
	574
	575	if (/^p/) {
	576	$_ = 'print;';
	577	next;
	578	}
	579
	580	if (/^w/) {
	581	s/^w[ \t]*//;
0a12ae7d	582	$fh = &make_filehandle($_);
8d063cd8	583	$_ = "print $fh \$_;";
	584	next;
	585	}
	586
	587	if (/^r/) {
	588	$appendseen++;
	589	s/^r[ \t]*//;
	590	$file = $_;
	591	$_ = "\$atext .= `cat $file 2>/dev/null`;";
	592	next;
	593	}
	594
	595	if (/^P/) {
9ef589d8	596	$_ = 'print $1 if /^(.*)/;';
8d063cd8	597	next;
	598	}
	599
	600	if (/^D/) {
9ef589d8	601	chop($_ = &q(<<'EOT'));
	602	: s/^.*\n?//;
	603	: redo LINE if $_;
	604	: next LINE;
0a12ae7d	605	EOT
9ef589d8	606	$sawnext++;
8d063cd8	607	next;
	608	}
	609
	610	if (/^N/) {
9ef589d8	611	chop($_ = &q(<<'EOT'));
	612	: $_ .= "\n";
	613	: $len1 = length;
	614	: $_ .= <>;
	615	: chop if $len1 < length;
	616	: <<--#ifdef TSEEN
	617	: $tflag = 0;
	618	: <<--#endif
0a12ae7d	619	EOT
8d063cd8	620	next;
	621	}
	622
	623	if (/^h/) {
	624	$_ = '$hold = $_;';
	625	next;
	626	}
	627
	628	if (/^H/) {
9ef589d8	629	$_ = '$hold .= "\n"; $hold .= $_;';
8d063cd8	630	next;
	631	}
	632
	633	if (/^g/) {
	634	$_ = '$_ = $hold;';
	635	next;
	636	}
	637
	638	if (/^G/) {
9ef589d8	639	$_ = '$_ .= "\n"; $_ .= $hold;';
8d063cd8	640	next;
	641	}
	642
	643	if (/^x/) {
	644	$_ = '($_, $hold) = ($hold, $_);';
	645	next;
	646	}
	647
	648	if (/^b$/) {
0a12ae7d	649	$_ = 'next LINE;';
9ef589d8	650	$sawnext++;
8d063cd8	651	next;
	652	}
	653
	654	if (/^b/) {
	655	s/^b[ \t]*//;
0a12ae7d	656	$lab = &make_label($_);
8d063cd8	657	if ($lab eq $toplabel) {
0a12ae7d	658	$_ = 'redo LINE;';
8d063cd8	659	} else {
	660	$_ = "goto $lab;";
	661	}
	662	next;
	663	}
	664
	665	if (/^t$/) {
0a12ae7d	666	$_ = 'next LINE if $tflag;';
9ef589d8	667	$sawnext++;
8d063cd8	668	$tseen++;
	669	next;
	670	}
	671
	672	if (/^t/) {
	673	s/^t[ \t]*//;
0a12ae7d	674	$lab = &make_label($_);
9ef589d8	675	$_ = q/if ($tflag) {$tflag = 0; /;
8d063cd8	676	if ($lab eq $toplabel) {
0a12ae7d	677	$_ .= 'redo LINE;}';
8d063cd8	678	} else {
0a12ae7d	679	$_ .= "goto $lab;}";
8d063cd8	680	}
	681	$tseen++;
	682	next;
	683	}
	684
9ef589d8	685	if (/^y/) {
	686	s/abcdefghijklmnopqrstuvwxyz/a-z/g;
	687	s/ABCDEFGHIJKLMNOPQRSTUVWXYZ/A-Z/g;
	688	s/abcdef/a-f/g;
	689	s/ABCDEF/A-F/g;
	690	s/0123456789/0-9/g;
	691	s/01234567/0-7/g;
	692	$_ .= ';';
	693	}
	694
8d063cd8	695	if (/^=/) {
9ef589d8	696	$_ = 'print $.;';
8d063cd8	697	next;
	698	}
	699
	700	if (/^q/) {
9ef589d8	701	chop($_ = &q(<<'EOT'));
	702	: close(ARGV);
	703	: @ARGV = ();
	704	: next LINE;
0a12ae7d	705	EOT
9ef589d8	706	$sawnext++;
8d063cd8	707	next;
	708	}
	709	} continue {
	710	if ($space) {
	711	s/^/$space/;
	712	s/(\n)(.)/$1$space$2/g;
	713	}
	714	last;
	715	}
	716	$_;
	717	}
	718
a687059c	719	sub fetchpat {
	720	local($outer) = @_;
	721	local($addr) = $outer;
	722	local($inbracket);
	723	local($prefix,$delim,$ch);
	724
0a12ae7d	725	# Process pattern one potential delimiter at a time.
	726
	727	DELIM: while (s#^([^\]+(\|)[\\/]*)([]+(\|)[\\/])##) {
a687059c	728	$prefix = $1;
a687059c	729	$delim = $2;
a687059c	730	if ($delim eq '\\') {
	731	s/(.)//;
	732	$ch = $1;
00bf170e	733	$delim = '' if $ch =~ /^[(){}A-Za-mo-z]$/;
9f68db38	734	$ch = 'b' if $ch =~ /^[<>]$/;
9f68db38	735	$delim .= $ch;
a687059c	736	}
	737	elsif ($delim eq '[') {
	738	$inbracket = 1;
	739	s/^\^// && ($delim .= '^');
	740	s/^]// && ($delim .= ']');
a687059c	741	}
	742	elsif ($delim eq ']') {
	743	$inbracket = 0;
	744	}
	745	elsif ($inbracket \|\| $delim ne $outer) {
a687059c	746	$delim = '\\' . $delim;
	747	}
	748	$addr .= $prefix;
	749	$addr .= $delim;
	750	if ($delim eq $outer && !$inbracket) {
0a12ae7d	751	last DELIM;
a687059c	752	}
a687059c	753	}
9ef589d8	754	$addr =~ s/\t/\\t/g;
9ef589d8	755	&simplify($addr);
a687059c	756	$addr;
	757	}
	758
9ef589d8	759	sub q {
	760	local($string) = @_;
	761	local($*) = 1;
	762	$string =~ s/^:\t?//g;
	763	$string;
	764	}
	765
	766	sub simplify {
	767	$_[0] =~ s/_a-za-z0-9/\\w/ig;
	768	$_[0] =~ s/a-z_a-z0-9/\\w/ig;
	769	$_[0] =~ s/a-za-z_0-9/\\w/ig;
	770	$_[0] =~ s/a-za-z0-9_/\\w/ig;
	771	$_[0] =~ s/_0-9a-za-z/\\w/ig;
	772	$_[0] =~ s/0-9_a-za-z/\\w/ig;
	773	$_[0] =~ s/0-9a-z_a-z/\\w/ig;
	774	$_[0] =~ s/0-9a-za-z_/\\w/ig;
	775	$_[0] =~ s/\[\\w\]/\\w/g;
	776	$_[0] =~ s/\[^\\w\]/\\W/g;
	777	$_[0] =~ s/\[0-9\]/\\d/g;
	778	$_[0] =~ s/\[^0-9\]/\\D/g;
	779	$_[0] =~ s/\\d\\d\*/\\d+/g;
	780	$_[0] =~ s/\\D\\D\*/\\D+/g;
	781	$_[0] =~ s/\\w\\w\*/\\w+/g;
	782	$_[0] =~ s/\\t\\t\*/\\t+/g;
	783	$_[0] =~ s/(\[.[^]]\])\1\/$1+/g;
	784	$_[0] =~ s/([\w\s!@#%^&-=,:;'"])\1\*/$1+/g;
	785	}
	786
a687059c	787	!NO!SUBS!
	788	chmod 755 s2p
	789	$eunicefix s2p