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|
#! /usr/bin/perl -w
use Getopt::Long;
use XML::Parser;
my $INCLUDES;
my $PRINT_VERSION;
my $PRINT_HELP;
%optctl = (includes => \$INCLUDES);
GetOptions(\%optctl, "includes=s");
my $file = shift;
die "Can't find file \"$file\""
unless -f $file;
my $parser = new XML::Parser(ErrorContext => 2);
my $structname = "";
my $classname = "";
open OUTPUT, ">dump-sizes.c" || die "Cannot open dump-sizes.c: $!\n";
print OUTPUT <<EOT;
#include <glib.h>
$INCLUDES
int
main (int argc, char *argv[])
{
EOT
$parser->setHandlers(Start => \&start_handler,
End => \&end_handler);
$parser->parsefile($file);
print OUTPUT <<EOT;
return 0;
}
EOT
close OUTPUT;
$CC = $ENV{CC} ? $ENV{CC} : "gcc";
$LD = $ENV{LD} ? $ENV{LD} : $CC;
$CFLAGS = $ENV{CFLAGS} ? $ENV{CFLAGS} : "";
$LDFLAGS = $ENV{LDFLAGS} ? $ENV{LDFLAGS} : "";
my $o_file;
if ($CC =~ /libtool/) {
$o_file = "dump-sizes.lo"
} else {
$o_file = "dump-sizes.o"
}
$command = "$CC $CFLAGS -c -o $o_file dump-sizes.c && $LD -o dump-sizes $o_file $LDFLAGS";
system($command) == 0 or die "Compilation failed\n";
system("./dump-sizes > sizes.out") == 0 or die "Scan failed\n";
#unlink "./dump-sizes.c", "./dump-sizes.o", "./dump-sizes.lo", "./dump-sizes";
my %Sizes;
open SIZES, "<sizes.out" || die "Can't open sizes.out: $!";
while (<SIZES>) {
if (m/(\w*) (\w*) (\d*)/) {
$Sizes{$1 . "." . $2} = $3;
}
}
close SIZES;
open OUTPUT2, ">$file.new" || die "Cannot open $file.new: $!\n";
$parser->setHandlers(Start => \&dump_start_handler,
End => \&dump_end_handler);
$parser->parsefile($file);
close OUTPUT2;
sub start_handler
{
my $p = shift;
my $el = shift;
my $name = "";
my $cname = "";
my $class = "";
while (@_) {
my $att = shift;
my $val = shift;
if ($att eq "name") {
$name = $val;
}
elsif ($att eq "cname") {
$cname = $val;
}
elsif ($att eq "class") {
$class = $val;
}
}
if (($el eq "object") || ($el eq "interface")) {
if (!($cname eq "")) {
$structname = $cname;
}
else {
$structname = $name;
}
if (!($class eq "")) {
$classname = $class;
}
elsif ($el eq "object") {
$classname = $structname . "Class";
}
else {
$classname = $structname . "Iface";
}
}
elsif ($el eq "field") {
if (!($cname eq "")) {
need_offset ($structname, $cname);
}
else {
need_offset ($structname, $name);
}
}
elsif ($el eq "vfunc") {
if (!($cname eq "")) {
need_offset ($classname, $cname);
}
else {
need_offset ($classname, $name);
}
}
}
sub end_handler
{
my $p = shift;
my $el = shift;
if (($el eq "object") ||
($el eq "interface") ||
($el eq "boxed") ||
($el eq "struct") ||
($el eq "union")) {
$structname = "";
$classname = "";
}
}
sub need_offset
{
my $struct = shift;
my $name = shift;
print OUTPUT " g_print (\"$struct $name %d\\n\", G_STRUCT_OFFSET ($struct, $name));\n";
}
sub write_offset
{
my $struct = shift;
my $name = shift;
print OUTPUT2 " offset=\"" . $Sizes{$struct . "." . $name } . "\""
}
sub dump_start_handler
{
my $p = shift;
my $el = shift;
my $name = "";
my $cname = "";
my $class = "";
print OUTPUT2 "<$el";
while (@_) {
my $att = shift;
my $val = shift;
print OUTPUT2 " $att=\"$val\"";
if ($att eq "name") {
$name = $val;
}
elsif ($att eq "cname") {
$cname = $val;
}
elsif ($att eq "class") {
$class = $val;
}
}
if (($el eq "object") || ($el eq "interface")) {
if (!($cname eq "")) {
$structname = $cname;
}
else {
$structname = $name;
}
if (!($class eq "")) {
$classname = $class;
}
elsif ($el eq "object") {
$classname = $structname . "Class";
}
else {
$classname = $structname . "Iface";
}
}
elsif ($el eq "field") {
if (!($cname eq "")) {
write_offset ($structname, $cname);
}
else {
write_offset ($structname, $name);
}
}
elsif ($el eq "vfunc") {
if (!($cname eq "")) {
write_offset ($classname, $cname);
}
else {
write_offset ($classname, $name);
}
}
print OUTPUT2 ">\n";
}
sub dump_end_handler
{
my $p = shift;
my $el = shift;
if (($el eq "object") ||
($el eq "interface") ||
($el eq "boxed") ||
($el eq "struct") ||
($el eq "union")) {
$structname = "";
$classname = "";
}
print OUTPUT2 "</$el>\n";
}
|
