perl 4.0 patch 12: patch #11, continued

See patch #11.

1 files changed, 1101 insertions, 0 deletions

diff --git a/c2ph.SH b/c2ph.SH
new file mode 100644
index 0000000000..4bf52be556
--- /dev/null
+++ b/c2ph.SH
@@ -0,0 +1,1101 @@
+case $CONFIG in
+'')
+    if test ! -f config.sh; then
+	ln ../config.sh . || \
+	ln ../../config.sh . || \
+	ln ../../../config.sh . || \
+	(echo "Can't find config.sh."; exit 1)
+    fi
+    . config.sh
+    ;;
+esac
+: 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
+echo "Extracting c2ph (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.
+$spitshell >c2ph <<!GROK!THIS!
+#!$bin/perl
+#
+!GROK!THIS!
+
+: In the following dollars and backticks do not need the extra backslash.
+$spitshell >>c2ph <<'!NO!SUBS!'
+#
+#   c2ph (aka pstruct)
+#   Tom Christiansen, <tchrist@convex.com>
+#   
+#   As pstruct, dump C structures as generated from 'cc -g -S' stabs.
+#   As c2ph, do this PLUS generate perl code for getting at the structures.
+#
+#   See the usage message for more.  If this isn't enough, read the code.
+#
+
+$RCSID = '$RCSfile: c2ph.SH,v $$Revision: 4.0.1.1 $$Date: 91/11/05 16:02:29 $';
+
+
+######################################################################
+
+# some handy data definitions.   many of these can be reset later.
+
+$bitorder = 'b';  # ascending; set to B for descending bit fields
+
+%intrinsics = 
+%template = (
+    'char', 			'c',
+    'unsigned char', 		'C',
+    'short',			's',
+    'short int',		's',
+    'unsigned short',		'S',
+    'unsigned short int',	'S',
+    'short unsigned int',	'S',
+    'int',			'i',
+    'unsigned int',		'I',
+    'long',			'l',
+    'long int',			'l',
+    'unsigned long',		'L',
+    'unsigned long',		'L',
+    'long unsigned int',	'L',
+    'unsigned long int',	'L',
+    'long long',		'q',
+    'long long int',		'q',
+    'unsigned long long',	'Q',
+    'unsigned long long int',	'Q',
+    'float',			'f',
+    'double',			'd',
+    'pointer',			'p',
+    'null',			'x',
+    'neganull',			'X',
+    'bit',			$bitorder,
+); 
+
+&buildscrunchlist;
+delete $intrinsics{'neganull'};
+delete $intrinsics{'bit'};
+delete $intrinsics{'null'};
+
+# use -s to recompute sizes
+%sizeof = (
+    'char', 			'1',
+    'unsigned char', 		'1',
+    'short',			'2',
+    'short int',		'2',
+    'unsigned short',		'2',
+    'unsigned short int',	'2',
+    'short unsigned int',	'2',
+    'int',			'4',
+    'unsigned int',		'4',
+    'long',			'4',
+    'long int',			'4',
+    'unsigned long',		'4',
+    'unsigned long int',	'4',
+    'long unsigned int',	'4',
+    'long long',		'8',
+    'long long int',		'8',
+    'unsigned long long',	'8',
+    'unsigned long long int',	'8',
+    'float',			'4',
+    'double',			'8',
+    'pointer',			'4',
+);
+
+($type_width, $member_width, $offset_width, $size_width) = (20, 20, 6, 5);
+
+($offset_fmt, $size_fmt) = ('d', 'd');
+
+$indent = 2;
+
+$CC = 'cc';
+$CFLAGS = '-g -S';
+$DEFINES = '';
+
+$perl++ if $0 =~ m#/?c2ph$#;
+
+require 'getopts.pl';
+
+eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift;
+
+&Getopts('aixdpvtnws:') || &usage(0);
+
+$opt_d && $debug++;
+$opt_t && $trace++;
+$opt_p && $perl++;
+$opt_v && $verbose++;
+$opt_n && ($perl = 0);
+
+if ($opt_w) {
+    ($type_width, $member_width, $offset_width) = (45, 35, 8);
+} 
+if ($opt_x) {
+    ($offset_fmt, $offset_width, $size_fmt, $size_width) = ( 'x', '08', 'x', 04 );
+}
+
+eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift;
+
+sub PLUMBER {
+    select(STDERR);
+    print "oops, apperent pager foulup\n";
+    $isatty++;
+    &usage(1);
+} 
+
+sub usage {
+    local($oops) = @_;
+    unless (-t STDOUT) {
+	select(STDERR);
+    } elsif (!$oops) {
+	$isatty++;
+	$| = 1;
+	print "hit <RETURN> for further explanation: ";
+	<STDIN>;
+	open (PIPE, "|". ($ENV{PAGER} || 'more'));
+	$SIG{PIPE} = PLUMBER;
+	select(PIPE);
+    } 
+
+    print "usage: $0 [-dpnP] [var=val] [files ...]\n";
+
+    exit unless $isatty;
+
+    print <<EOF;
+
+Options:
+
+-w	wide; short for: type_width=45 member_width=35 offset_width=8
+-x	hex; short for:  offset_fmt=x offset_width=08 size_fmt=x size_width=04
+
+-n  	do not generate perl code  (default when invoked as pstruct)
+-p  	generate perl code         (default when invoked as c2ph)
+-v	generate perl code, with C decls as comments
+
+-i	do NOT recompute sizes for intrinsic datatypes
+-a	dump information on intrinsics also
+
+-t 	trace execution
+-d	spew reams of debugging output
+
+-slist  give comma-separated list a structures to dump
+
+
+Var Name        Default Value    Meaning
+
+EOF
+
+    &defvar('CC', 'which_compiler to call');
+    &defvar('CFLAGS', 'how to generate *.s files with stabs');
+    &defvar('DEFINES','any extra cflags or cpp defines, like -I, -D, -U');
+
+    print "\n";
+
+    &defvar('type_width', 'width of type field   (column 1)');
+    &defvar('member_width', 'width of member field (column 2)');
+    &defvar('offset_width', 'width of offset field (column 3)');
+    &defvar('size_width', 'width of size field   (column 4)');
+
+    print "\n";
+
+    &defvar('offset_fmt', 'sprintf format type for offset');
+    &defvar('size_fmt', 'sprintf format type for size');
+
+    print "\n";
+
+    &defvar('indent', 'how far to indent each nesting level');
+
+   print <<'EOF';
+
+    If any *.[ch] files are given, these will be catted together into
+    a temporary *.c file and sent through:
+	    $CC $CFLAGS $DEFINES 
+    and the resulting *.s groped for stab information.  If no files are
+    supplied, then stdin is read directly with the assumption that it
+    contains stab information.  All other liens will be ignored.  At
+    most one *.s file should be supplied.
+
+EOF
+    close PIPE;
+    exit 1;
+} 
+
+sub defvar {
+    local($var, $msg) = @_;
+    printf "%-16s%-15s  %s\n", $var, eval "\$$var", $msg;
+} 
+
+$recurse = 1;
+
+if (@ARGV) {
+    if (grep(!/\.[csh]$/,@ARGV)) {
+	warn "Only *.[csh] files expected!\n";
+	&usage;
+    } 
+    elsif (grep(/\.s$/,@ARGV)) {
+	if (@ARGV > 1) { 
+	    warn "Only one *.s file allowed!\n";
+	    &usage;
+	}
+    } 
+    elsif (@ARGV == 1 && $ARGV[0] =~ /\.c$/) {
+	local($dir, $file) = $ARGV[0] =~ m#(.*/)?(.*)$#;
+	$chdir = "cd $dir; " if $dir;
+	&system("$chdir$CC $CFLAGS $DEFINES $file") && exit 1;
+	$ARGV[0] =~ s/\.c$/.s/;
+    } 
+    else {
+	$TMP = "/tmp/c2ph.$$.c";
+	&system("cat @ARGV > $TMP") && exit 1;
+	&system("cd /tmp; $CC $CFLAGS $DEFINES $TMP") && exit 1;
+	unlink $TMP;
+	$TMP =~ s/\.c$/.s/;
+	@ARGV = ($TMP);
+    } 
+}
+
+if ($opt_s) {
+    for (split(/[\s,]+/, $opt_s)) {
+	$interested{$_}++;
+    } 
+} 
+
+
+$| = 1 if $debug;
+
+main: {
+
+    if ($trace) {
+	if (-t && !@ARGV) { 
+	    print STDERR "reading from your keyboard: ";
+	} else {
+	    print STDERR "reading from " . (@ARGV ? "@ARGV" : "<STDIN>").": ";
+	}
+    }
+
+STAB: while (<>) {
+	if ($trace && !($. % 10)) {
+	    $lineno = $..'';
+	    print STDERR $lineno, "\b" x length($lineno);
+	} 
+	next unless /^\s*\.stabs\s+/;
+	$line = $_;
+	s/^\s*\.stabs\s+//; 
+	&stab; 
+    }
+    print STDERR "$.\n" if $trace;
+    unlink $TMP if $TMP;
+
+    &compute_intrinsics if $perl && !$opt_i;
+
+    print STDERR "resolving types\n" if $trace;
+
+    &resolve_types;
+    &adjust_start_addrs;
+
+    $sum = 2 + $type_width + $member_width;
+    $pmask1 = "%-${type_width}s %-${member_width}s"; 
+    $pmask2 = "%-${sum}s %${offset_width}${offset_fmt}%s %${size_width}${size_fmt}%s";
+
+    if ($perl) {
+	# resolve template -- should be in stab define order, but even this isn't enough.
+	print STDERR "\nbuilding type templates: " if $trace;
+	for $i (reverse 0..$#type) {
+	    next unless defined($name = $type[$i]);
+	    next unless defined $struct{$name};
+	    $build_recursed = 0;
+	    &build_template($name) unless defined $template{&psou($name)} ||
+					$opt_s && !$interested{$name};
+	} 
+	print STDERR "\n\n" if $trace;
+    }
+
+    print STDERR "dumping structs: " if $trace;
+
+
+    foreach $name (sort keys %struct) {
+	next if $opt_s && !$interested{$name};
+	print STDERR "$name " if $trace;
+
+	undef @sizeof;
+	undef @typedef;
+	undef @offsetof;
+	undef @indices;
+	undef @typeof;
+
+	$mname = &munge($name);
+
+	$fname = &psou($name);
+
+	print "# " if $perl && $verbose;
+	$pcode = '';
+	print "$fname {\n" if !$perl || $verbose; 
+	$template{$fname} = &scrunch($template{$fname}) if $perl;
+	&pstruct($name,$name,0); 
+	print "# " if $perl && $verbose;
+	print "}\n" if !$perl || $verbose; 
+	print "\n" if $perl && $verbose;
+
+	if ($perl) {
+	    print "$pcode";
+
+	    printf("\nsub %-32s { %4d; }\n\n", "${mname}'struct", $countof{$name});
+
+	    print <<EOF;
+sub ${mname}'typedef { 
+    local(\$${mname}'index) = shift;
+    defined \$${mname}'index 
+	? \$${mname}'typedef[\$${mname}'index] 
+	: \$${mname}'typedef;
+}
+EOF
+
+	    print <<EOF;
+sub ${mname}'sizeof { 
+    local(\$${mname}'index) = shift;
+    defined \$${mname}'index 
+	? \$${mname}'sizeof[\$${mname}'index] 
+	: \$${mname}'sizeof;
+}
+EOF
+
+	    print <<EOF;
+sub ${mname}'offsetof { 
+    local(\$${mname}'index) = shift;
+    defined \$${mname}index 
+	? \$${mname}'offsetof[\$${mname}'index] 
+	: \$${mname}'sizeof;
+}
+EOF
+
+	    print <<EOF;
+sub ${mname}'typeof { 
+    local(\$${mname}'index) = shift;
+    defined \$${mname}index 
+	? \$${mname}'typeof[\$${mname}'index] 
+	: '$name';
+}
+EOF
+    
+
+	    print "\$${mname}'typedef = '" . &scrunch($template{$fname}) 
+		. "';\n";
+
+	    print "\$${mname}'sizeof = $sizeof{$name};\n\n";
+
+
+	    print "\@${mname}'indices = (", &squishseq(@indices), ");\n";
+
+	    print "\n";
+
+	    print "\@${mname}'typedef[\@${mname}'indices] = (",
+			join("\n\t", '', @typedef), "\n    );\n\n";
+	    print "\@${mname}'sizeof[\@${mname}'indices] = (",
+			join("\n\t", '', @sizeof), "\n    );\n\n";
+	    print "\@${mname}'offsetof[\@${mname}'indices] = (",
+			join("\n\t", '', @offsetof), "\n    );\n\n";
+	    print "\@${mname}'typeof[\@${mname}'indices] = (",
+			join("\n\t", '', @typeof), "\n    );\n\n";
+
+	    $template_printed{$fname}++;
+	    $size_printed{$fname}++;
+	} 
+	print "\n";
+    }
+
+    print STDERR "\n" if $trace;
+
+    unless ($perl && $opt_a) { 
+	print "\n1;\n";
+	exit;
+    }
+
+
+
+    foreach $name (sort bysizevalue keys %intrinsics) {
+	next if $size_printed{$name};
+	print '$',&munge($name),"'sizeof = ", $sizeof{$name}, ";\n";
+    }
+
+    print "\n";
+
+    sub bysizevalue { $sizeof{$a} <=> $sizeof{$b}; }
+
+
+    foreach $name (sort keys %intrinsics) {
+	print '$',&munge($name),"'typedef = '", $template{$name}, "';\n";
+    }
+
+    print "\n1;\n";
+	
+    exit;
+}
+
+########################################################################################
+
+
+sub stab {
+    next unless /:[\$\w]+(\(\d+,\d+\))?=[\*\$\w]+/;  # (\d+,\d+) is for sun
+    s/"// 						|| next;
+    s/",([x\d]+),([x\d]+),([x\d]+),.*// 		|| next;
+
+    next if /^\s*$/;
+
+    $size = $3 if $3;
+
+
+    $line = $_;
+
+    if (($name, $pdecl) = /^([\$ \w]+):[tT]((\d+)(=[rufs*](\d+))+)$/) {
+	print "$name is a typedef for some funky pointers: $pdecl\n" if $debug;
+	&pdecl($pdecl);
+	next;
+    }
+
+
+
+    if (/(([ \w]+):t(\d+|\(\d+,\d+\)))=r?(\d+|\(\d+,\d+\))(;\d+;\d+;)?/) {  
+	local($ident) = $2;
+	push(@intrinsics, $ident);
+	$typeno = &typeno($3);
+	$type[$typeno] = $ident;
+	print STDERR "intrinsic $ident in new type $typeno\n" if $debug; 
+	next;
+    }
+
+    if (($name, $typeordef, $typeno, $extra, $struct, $_) 
+	= /^([\$ \w]+):([ustT])(\d+|\(\d+,\d+\))(=[rufs*](\d+))?(.*)$/) 
+    {
+	$typeno = &typeno($typeno);  # sun foolery
+    } 
+    elsif (/^[\$\w]+:/) {
+	next; # variable
+    }
+    else { 
+	warn "can't grok stab: <$_> in: $line " if $_;
+	next;
+    } 
+
+    #warn "got size $size for $name\n";
+    $sizeof{$name} = $size if $size;
+
+    s/;[-\d]*;[-\d]*;$//;  # we don't care about ranges
+
+    $typenos{$name} = $typeno;
+
+    unless (defined $type[$typeno]) {
+	&panic("type 0??") unless $typeno;
+	$type[$typeno] = $name unless defined $type[$typeno];
+	printf "new type $typeno is $name" if $debug;
+	if ($extra =~ /\*/ && defined $type[$struct]) {
+	    print ", a typedef for a pointer to " , $type[$struct] if $debug;
+	}
+    } else {
+	printf "%s is type %d", $name, $typeno if $debug;
+	print ", a typedef for " , $type[$typeno] if $debug;
+    } 
+    print "\n" if $debug;
+    #next unless $extra =~ /[su*]/;
+
+    #$type[$struct] = $name;
+
+    if ($extra =~ /[us*]/) {
+	&sou($name, $extra);
+	$_ = &sdecl($name, $_, 0);
+    }
+    elsif (/^=ar/) {
+	print "it's a bare array typedef -- that's pretty sick\n" if $debug;
+	$_ = "$typeno$_";
+	$scripts = '';
+	$_ = &adecl($_,1);
+
+    }
+    elsif (s/((\w+):t(\d+|\(\d+,\d+\)))?=r?(;\d+;\d+;)?//) {  # the ?'s are for gcc
+	push(@intrinsics, $2);
+	$typeno = &typeno($3);
+	$type[$typeno] = $2;
+	print STDERR "intrinsic $2 in new type $typeno\n" if $debug; 
+    }
+    elsif (s/^=e//) { # blessed by thy compiler; mine won't do this
+	&edecl;
+    } 
+    else {
+	warn "Funny remainder for $name on line $_ left in $line " if $_;
+    } 
+}
+
+sub typeno {  # sun thinks types are (0,27) instead of just 27
+    local($_) = @_;
+    s/\(\d+,(\d+)\)/$1/;
+    $_;
+} 
+
+sub pstruct {
+    local($what,$prefix,$base) = @_; 
+    local($field, $fieldname, $typeno, $count, $offset, $entry); 
+    local($fieldtype);
+    local($type, $tname); 
+    local($mytype, $mycount, $entry2);
+    local($struct_count) = 0;
+    local($pad, $revpad, $length, $prepad, $lastoffset, $lastlength, $fmt);
+    local($bits,$bytes);
+    local($template);
+
+
+    local($mname) = &munge($name);
+
+    sub munge { 
+	local($_) = @_;
+	s/[\s\$\.]/_/g;
+	$_;
+    }
+
+    local($sname) = &psou($what);
+
+    $nesting++;
+
+    for $field (split(/;/, $struct{$what})) {
+	$pad = $prepad = 0;
+	$entry = ''; 
+	($fieldname, $typeno, $count, $offset, $length) = split(/,/, $field); 
+
+	$type = $type[$typeno];
+
+	$type =~ /([^[]*)(\[.*\])?/;
+	$mytype = $1;
+	$count .= $2;
+	$fieldtype = &psou($mytype);
+
+	local($fname) = &psou($name);
+
+	if ($build_templates) {
+
+	    $pad = ($offset - ($lastoffset + $lastlength))/8 
+		if defined $lastoffset;
+
+	    if (! $finished_template{$sname}) {
+		if ($isaunion{$what}) {
+		    $template{$sname} .= 'X' x $revpad . ' '    if $revpad;
+		} else {
+		    $template{$sname} .= 'x' x $pad    . ' '    if $pad;
+		}
+	    }
+
+	    $template = &fetch_template($type) x 
+			    ($count ? &scripts2count($count) : 1);
+
+	    if (! $finished_template{$sname}) {
+		$template{$sname} .= $template;
+	    }
+
+	    $revpad = $length/8 if $isaunion{$what};
+
+	    ($lastoffset, $lastlength) = ($offset, $length);
+
+	} else { 
+	    print '# ' if $perl && $verbose;
+	    $entry = sprintf($pmask1,
+			' ' x ($nesting * $indent) . $fieldtype,
+			"$prefix.$fieldname" . $count); 
+
+	    $entry =~ s/(\*+)( )/$2$1/; 
+
+	    printf $pmask2,
+		    $entry,
+		    ($base+$offset)/8,
+		    ($bits = ($base+$offset)%8) ? ".$bits" : "  ",
+		    $length/8,
+		    ($bits = $length % 8) ? ".$bits": ""
+			if !$perl || $verbose;
+
+
+	    if ($perl && $nesting == 1) {
+		$template = &scrunch(&fetch_template($type) x 
+				($count ? &scripts2count($count) : 1));
+		push(@sizeof, int($length/8) .",\t# $fieldname");
+		push(@offsetof, int($offset/8) .",\t# $fieldname");
+		push(@typedef, "'$template', \t# $fieldname");
+		$type =~ s/(struct|union) //;
+		push(@typeof, "'$type" . ($count ? $count : '') .
+		    "',\t# $fieldname");
+	    }
+
+	    print '  ', ' ' x $indent x $nesting, $template
+				if $perl && $verbose;
+
+	    print "\n" if !$perl || $verbose;
+
+	}    
+	if ($perl) {
+	    local($mycount) = defined $struct{$mytype} ? $countof{$mytype} : 1;
+	    $mycount *= &scripts2count($count) if $count;
+	    if ($nesting==1 && !$build_templates) {
+		$pcode .= sprintf("sub %-32s { %4d; }\n", 
+			"${mname}'${fieldname}", $struct_count);
+		push(@indices, $struct_count);
+	    }
+	    $struct_count += $mycount;
+	} 
+
+
+	&pstruct($type, "$prefix.$fieldname", $base+$offset) 
+		if $recurse && defined $struct{$type}; 
+    }
+
+    $countof{$what} = $struct_count unless defined $countof{$whati};
+
+    $template{$sname} .= '$' if $build_templates;
+    $finished_template{$sname}++;
+
+    if ($build_templates && !defined $sizeof{$name}) {
+	local($fmt) = &scrunch($template{$sname});
+	print STDERR "no size for $name, punting with $fmt..." if $debug;
+	eval '$sizeof{$name} = length(pack($fmt, ()))';
+	if ($@) {
+	    chop $@;
+	    warn "couldn't get size for \$name: $@";
+	} else {
+	    print STDERR $sizeof{$name}, "\n" if $debUg;
+	}
+    } 
+
+    --$nesting;
+}
+
+
+sub psize {
+    local($me) = @_; 
+    local($amstruct) = $struct{$me} ?  'struct ' : '';
+
+    print '$sizeof{\'', $amstruct, $me, '\'} = '; 
+    printf "%d;\n", $sizeof{$me}; 
+}
+
+sub pdecl {
+    local($pdecl) = @_;
+    local(@pdecls);
+    local($tname);
+
+    warn "pdecl: $pdecl\n" if $debug;
+
+    $pdecl =~ s/\(\d+,(\d+)\)/$1/g;
+    $pdecl =~ s/\*//g; 
+    @pdecls = split(/=/, $pdecl); 
+    $typeno = $pdecls[0];
+    $tname = pop @pdecls;
+
+    if ($tname =~ s/^f//) { $tname = "$tname&"; } 
+    #else { $tname = "$tname*"; } 
+
+    for (reverse @pdecls) {
+	$tname  .= s/^f// ? "&" : "*"; 
+	#$tname =~ s/^f(.*)/$1&/;
+	print "type[$_] is $tname\n" if $debug;
+	$type[$_] = $tname unless defined $type[$_];
+    } 
+}
+
+
+
+sub adecl {
+    ($arraytype, $unknown, $lower, $upper) = ();
+    #local($typeno);
+    # global $typeno, @type
+    local($_, $typedef) = @_;
+
+    while (s/^((\d+)=)?ar(\d+);//) {
+	($arraytype, $unknown) = ($2, $3); 
+	if (s/^(\d+);(\d+);//) {
+	    ($lower, $upper) = ($1, $2); 
+	    $scripts .= '[' .  ($upper+1) . ']'; 
+	} else {
+	    warn "can't find array bounds: $_"; 
+	} 
+    }
+    if (s/^([\d*f=]*),(\d+),(\d+);//) {
+	($start, $length) = ($2, $3); 
+	local($whatis) = $1;
+	if ($whatis =~ /^(\d+)=/) {
+	    $typeno = $1;
+	    &pdecl($whatis);
+	} else {
+	    $typeno = $whatis;
+	}
+    } elsif (s/^(\d+)(=[*suf]\d*)//) {
+	local($whatis) = $2; 
+
+	if ($whatis =~ /[f*]/) {
+	    &pdecl($whatis); 
+	} elsif ($whatis =~ /[su]/) {  # 
+	    print "$prefix.$fieldname is an array$scripts anon structs; disgusting\n" 
+		if $debug;
+	    #$type[$typeno] = $name unless defined $type[$typeno];
+	    ##printf "new type $typeno is $name" if $debug;
+	    $typeno = $1;
+	    $type[$typeno] = "$prefix.$fieldname";
+	    local($name) = $type[$typeno];
+	    &sou($name, $whatis);
+	    $_ = &sdecl($name, $_, $start+$offset);
+	    1;
+	    $start = $start{$name};
+	    $offset = $sizeof{$name};
+	    $length = $offset;
+	} else {
+	    warn "what's this? $whatis in $line ";
+	} 
+    } elsif (/^\d+$/) {
+	$typeno = $_;
+    } else {
+	warn "bad array stab: $_ in $line ";
+	next STAB;
+    } 
+    #local($wasdef) = defined($type[$typeno]) && $debug;
+    #if ($typedef) { 
+	#print "redefining $type[$typeno] to " if $wasdef;
+	#$type[$typeno] = "$whatis$scripts"; # unless defined $type[$typeno];
+	#print "$type[$typeno]\n" if $wasdef;
+    #} else {
+	#$type[$arraytype] = $type[$typeno] unless defined $type[$arraytype];
+    #}
+    $type[$arraytype] = "$type[$typeno]$scripts" if defined $type[$typeno];
+    print "type[$arraytype] is $type[$arraytype]\n" if $debug;
+    print "$prefix.$fieldname is an array of $type[$arraytype]\n" if $debug;
+    $_;
+}
+
+
+
+sub sdecl {
+    local($prefix, $_, $offset) = @_;
+
+    local($fieldname, $scripts, $type, $arraytype, $unknown,
+    $whatis, $pdecl, $upper,$lower, $start,$length) = ();
+    local($typeno,$sou);
+
+
+SFIELD:
+    while (/^([^;]+);/) {
+	$scripts = '';
+	warn "sdecl $_\n" if $debug;
+	if (s/^([\$\w]+)://) { 
+	    $fieldname = $1;
+	} elsif (s/(\d+)=([us])(\d+|\(\d+,\d+\))//) { # 
+	    $typeno = &typeno($1);
+	    $type[$typeno] = "$prefix.$fieldname";
+	    local($name) = "$prefix.$fieldname";
+	    &sou($name,$2);
+	    $_ = &sdecl("$prefix.$fieldname", $_, $start+$offset);
+	    $start = $start{$name};
+	    $offset += $sizeof{$name};
+	    #print "done with anon, start is $start, offset is $offset\n";
+	    #next SFIELD;
+	} else  {
+	    warn "weird field $_ of $line" if $debug;
+	    next STAB;
+	    #$fieldname = &gensym;
+	    #$_ = &sdecl("$prefix.$fieldname", $_, $start+$offset);
+	}
+
+	if (/^\d+=ar/) {
+	    $_ = &adecl($_);
+	}
+	elsif (s/^(\d+|\(\d+,\d+\))?,(\d+),(\d+);//) {
+	    ($start, $length) =  ($2, $3); 
+	    &panic("no length?") unless $length;
+	    $typeno = &typeno($1) if $1;
+	}
+	elsif (s/^((\d+|\(\d+,\d+\))(=[*f](\d+|\(\d+,\d+\)))+),(\d+),(\d+);//) {
+	    ($pdecl, $start, $length) =  ($1,$5,$6); 
+	    &pdecl($pdecl); 
+	}
+	elsif (s/(\d+)=([us])(\d+|\(\d+,\d+\))//) { # the dratted anon struct
+	    ($typeno, $sou) = ($1, $2);
+	    $typeno = &typeno($typeno);
+	    if (defined($type[$typeno])) {
+		warn "now how did we get type $1 in $fieldname of $line?";
+	    } else {
+		print "anon type $typeno is $prefix.$fieldname\n" if $debug;
+		$type[$typeno] = "$prefix.$fieldname" unless defined $type[$typeno];
+	    };
+	    local($name) = "$prefix.$fieldname";
+	    &sou($name,$sou);
+	    print "anon ".($isastruct{$name}) ? "struct":"union"." for $prefix.$fieldname\n" if $debug;
+	    $type[$typeno] = "$prefix.$fieldname";
+	    $_ = &sdecl("$prefix.$fieldname", $_, $start+$offset); 
+	    $start = $start{$name};
+	    $length = $sizeof{$name};
+	}
+	else {
+	    warn "can't grok stab for $name ($_) in line $line "; 
+	    next STAB; 
+	}
+
+	&panic("no length for $prefix.$fieldname") unless $length;
+	$struct{$name} .= join(',', $fieldname, $typeno, $scripts, $start, $length) . ';';
+    }
+    if (s/;\d*,(\d+),(\d+);//) {
+	local($start, $size) = ($1, $2); 
+	$sizeof{$prefix} = $size;
+	print "start of $prefix is $start, size of $sizeof{$prefix}\n" if $debug; 
+	$start{$prefix} = $start; 
+    } 
+    $_;
+}
+
+sub edecl {
+    s/;$//;
+    $enum{$name} = $_;
+    $_ = '';
+} 
+
+sub resolve_types {
+    local($sou);
+    for $i (0 .. $#type) {
+	next unless defined $type[$i];
+	$_ = $type[$i];
+	unless (/\d/) {
+	    print "type[$i] $type[$i]\n" if $debug;
+	    next;
+	}
+	print "type[$i] $_ ==> " if $debug;
+	s/^(\d+)(\**)\&\*(\**)/"$2($3".&type($1) . ')()'/e;
+	s/^(\d+)\&/&type($1)/e; 
+	s/^(\d+)/&type($1)/e; 
+	s/(\*+)([^*]+)(\*+)/$1$3$2/;
+	s/\((\*+)(\w+)(\*+)\)/$3($1$2)/;
+	s/^(\d+)([\*\[].*)/&type($1).$2/e;
+	#s/(\d+)(\*|(\[[\[\]\d\*]+]\])+)/&type($1).$2/ge;
+	$type[$i] = $_;
+	print "$_\n" if $debug;
+    }
+}
+sub type { &psou($type[$_[0]] || "<UNDEFINED>"); } 
+
+sub adjust_start_addrs {
+    for (sort keys %start) {
+	($basename = $_) =~ s/\.[^.]+$//;
+	$start{$_} += $start{$basename};
+	print "start: $_ @ $start{$_}\n" if $debug;
+    }
+}
+
+sub sou {
+    local($what, $_) = @_;
+    /u/ && $isaunion{$what}++;
+    /s/ && $isastruct{$what}++;
+}
+
+sub psou {
+    local($what) = @_;
+    local($prefix) = '';
+    if ($isaunion{$what})  {
+	$prefix = 'union ';
+    } elsif ($isastruct{$what})  {
+	$prefix = 'struct ';
+    }
+    $prefix . $what;
+}
+
+sub scrunch {
+    local($_) = @_;
+
+    study;
+
+    s/\$//g;
+    s/  / /g;
+    1 while s/(\w) \1/$1$1/g;
+
+    # i wanna say this, but perl resists my efforts:
+    #	   s/(\w)(\1+)/$2 . length($1)/ge;
+
+    &quick_scrunch;
+
+    s/ $//;
+
+    $_;
+}
+
+sub buildscrunchlist {
+    $scrunch_code = "sub quick_scrunch {\n";
+    for (values %intrinsics) {
+        $scrunch_code .= "\ts/($_{2,})/'$_' . length(\$1)/ge;\n";
+    } 
+    $scrunch_code .= "}\n";
+    print "$scrunch_code" if $debug;
+    eval $scrunch_code;
+    &panic("can't eval scrunch_code $@ \nscrunch_code") if $@;
+} 
+
+sub fetch_template {
+    local($mytype) = @_;
+    local($fmt);
+    local($count) = 1;
+
+    &panic("why do you care?") unless $perl;
+
+    if ($mytype =~ s/(\[\d+\])+$//) {
+	$count .= $1;
+    } 
+
+    if ($mytype =~ /\*/) {
+	$fmt = $template{'pointer'};
+    } 
+    elsif (defined $template{$mytype}) {
+	$fmt = $template{$mytype};
+    } 
+    elsif (defined $struct{$mytype}) {
+	if (!defined $template{&psou($mytype)}) {
+	    &build_template($mytype) unless $mytype eq $name;
+	} 
+	elsif ($template{&psou($mytype)} !~ /\$$/) {
+	    #warn "incomplete template for $mytype\n";
+	} 
+	$fmt = $template{&psou($mytype)} || '?';
+    } 
+    else {
+	warn "unknown fmt for $mytype\n";
+	$fmt = '?';
+    } 
+
+    $fmt x $count . ' ';
+}
+
+sub compute_intrinsics {
+    local($TMP) = "/tmp/c2ph-i.$$.c";
+    open (TMP, ">$TMP") || die "can't open $TMP: $!";
+    select(TMP);
+
+    print STDERR "computing intrinsic sizes: " if $trace;
+
+    undef %intrinsics;
+
+    print <<'EOF';
+main() {
+    char *mask = "%d %s\n";
+EOF
+
+    for $type (@intrinsics) {
+	next if $type eq 'void';
+	print <<"EOF";
+    printf(mask,sizeof($type), "$type");
+EOF
+    } 
+
+    print <<'EOF';
+    printf(mask,sizeof(char *), "pointer");
+    exit(0);
+}
+EOF
+    close TMP;
+
+    select(STDOUT);
+    open(PIPE, "cd /tmp && $CC $TMP && /tmp/a.out|");
+    while (<PIPE>) {
+	chop;
+	split(' ',$_,2);;
+	print "intrinsic $_[1] is size $_[0]\n" if $debug;
+	$sizeof{$_[1]} = $_[0];
+	$intrinsics{$_[1]} = $template{$_[0]};
+    } 
+    close(PIPE) || die "couldn't read intrinsics!";
+    unlink($TMP, '/tmp/a.out');
+    print STDERR "done\n" if $trace;
+} 
+
+sub scripts2count {
+    local($_) = @_;
+
+    s/^\[//;
+    s/\]$//;
+    s/\]\[/*/g;
+    $_ = eval;
+    &panic("$_: $@") if $@;
+    $_;
+}
+
+sub system {
+    print STDERR "@_\n" if $trace;
+    system @_;
+} 
+
+sub build_template { 
+    local($name) = @_;
+
+    &panic("already got a template for $name") if defined $template{$name};
+
+    local($build_templates) = 1;
+
+    local($lparen) = '(' x $build_recursed;
+    local($rparen) = ')' x $build_recursed;
+
+    print STDERR "$lparen$name$rparen " if $trace;
+    $build_recursed++;
+    &pstruct($name,$name,0);
+    print STDERR "TEMPLATE for $name is ", $template{&psou($name)}, "\n" if $debug;
+    --$build_recursed;
+}
+
+
+sub panic {
+
+    select(STDERR);
+
+    print "\npanic: @_\n";
+
+    exit 1 if $] <= 4.003;  # caller broken
+
+    local($i,$_);
+    local($p,$f,$l,$s,$h,$a,@a,@sub);
+    for ($i = 0; ($p,$f,$l,$s,$h,$w) = caller($i); $i++) {
+	@a = @DB'args;
+	for (@a) {
+	    if (/^StB\000/ && length($_) == length($_main{'_main'})) {
+		$_ = sprintf("%s",$_);
+	    }
+	    else {
+		s/'/\\'/g;
+		s/([^\0]*)/'$1'/ unless /^-?[\d.]+$/;
+		s/([\200-\377])/sprintf("M-%c",ord($1)&0177)/eg;
+		s/([\0-\37\177])/sprintf("^%c",ord($1)^64)/eg;
+	    }
+	}
+	$w = $w ? '@ = ' : '$ = ';
+	$a = $h ? '(' . join(', ', @a) . ')' : '';
+	push(@sub, "$w&$s$a from file $f line $l\n");
+	last if $signal;
+    }
+    for ($i=0; $i <= $#sub; $i++) {
+	last if $signal;
+	print $sub[$i];
+    }
+    exit 1;
+} 
+
+sub squishseq {
+    local($num);
+    local($last) = -1e8;
+    local($string);
+    local($seq) = '..';
+
+    while (defined($num = shift)) {
+        if ($num == ($last + 1)) {
+            $string .= $seq unless $inseq++;
+            $last = $num;
+            next;
+        } elsif ($inseq) {
+            $string .= $last unless $last == -1e8;
+        }
+
+        $string .= ',' if defined $string;
+        $string .= $num;
+        $last = $num;
+        $inseq = 0;
+    }
+    $string .= $last if $inseq && $last != -e18;
+    $string;
+}
+!NO!SUBS!
+$eunicefix c2ph
+rm -f pstruct
+ln c2ph pstruct