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rbcodegen: hop

develop
jj 2012-04-02 19:00:38 +02:00
parent 780d7a8b18
commit 872eebe7ef
1 changed files with 130 additions and 174 deletions
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304
plugins/ruby/codegen.pl
Unescape Escape View File

@ -25,34 +25,25 @@ sub rb_ucase {
return join("", map { ucfirst $_ } (split('_', $name))); return join("", map { ucfirst $_ } (split('_', $name)));
} }
my %render_global_type = ( my %global_type_renderer = (
'enum-type' => \&render_global_enum, 'enum-type' => \&render_global_enum,
'struct-type' => \&render_global_class, 'struct-type' => \&render_global_class,
'class-type' => \&render_global_class, 'class-type' => \&render_global_class,
'bitfield-type' => \&render_global_bitfield, 'bitfield-type' => \&render_global_bitfield,
); );
my %render_struct_field = ( my %item_renderer = (
'global' => \&render_field_global,
'number' => \&render_field_number,
'container' => \&render_field_container,
'compound' => \&render_field_compound,
'pointer' => \&render_field_pointer,
'static-array' => \&render_field_array,
'primitive' => \&render_field_primitive,
'bytes' => \&render_field_bytes,
);
my %render_item = (
'number' => \&render_item_number,
'global' => \&render_item_global, 'global' => \&render_item_global,
'primitive' => \&render_item_primitive, 'number' => \&render_item_number,
'pointer' => \&render_item_pointer,
'static-array' => \&render_item_array,
'container' => \&render_item_container, 'container' => \&render_item_container,
'compound' => \&render_item_compound, 'compound' => \&render_item_compound,
'pointer' => \&render_item_pointer,
'static-array' => \&render_item_staticarray,
'primitive' => \&render_item_primitive,
'bytes' => \&render_item_bytes,
); );
sub render_global_enum { sub render_global_enum {
my ($name, $type) = @_; my ($name, $type) = @_;
@ -63,7 +54,6 @@ sub render_global_enum {
}; };
push @lines_rb, "end"; push @lines_rb, "end";
} }
sub render_enum_fields { sub render_enum_fields {
my ($type) = @_; my ($type) = @_;
@ -79,6 +69,7 @@ sub render_enum_fields {
} }
} }
sub render_global_bitfield { sub render_global_bitfield {
my ($name, $type) = @_; my ($name, $type) = @_;
@ -89,7 +80,6 @@ sub render_global_bitfield {
}; };
push @lines_rb, "end"; push @lines_rb, "end";
} }
sub render_bitfield_fields { sub render_bitfield_fields {
my ($type) = @_; my ($type) = @_;
@ -108,6 +98,7 @@ sub render_bitfield_fields {
} }
} }
sub render_global_class { sub render_global_class {
my ($name, $type) = @_; my ($name, $type) = @_;
@ -121,157 +112,141 @@ sub render_global_class {
}; };
push @lines_rb, "end"; push @lines_rb, "end";
} }
sub render_struct_fields {
my ($type) = @_;
sub render_field_global { for my $field ($type->findnodes('child::ld:field')) {
my ($name, $field) = @_; my $name = $field->getAttribute('name');
$name = $field->getAttribute('ld:anon-name') if (!$name);
my $typename = $field->getAttribute('type-name'); next if (!$name);
my $rbname = rb_ucase($typename); my $offset = "'TODOoffsetof_$name'";
my $offset = "'offsetof_$name'";
push @lines_rb, "global :$name, $offset, :$rbname";
}
sub render_field_number {
my ($name, $field) = @_;
my $subtype = $field->getAttribute('ld:subtype');
my $offset = "'offsetof_$name'";
$subtype = 'float' if ($subtype eq 's-float');
push @lines_rb, "$subtype :$name, $offset"
}
sub render_field_compound {
my ($name, $field) = @_;
my $offset = "'offsetof_$name'"; push @lines_rb, "field(:$name, $offset) {";
my $subtype = $field->getAttribute('ld:subtype');
if (!$subtype || $subtype eq 'bitfield') {
push @lines_rb, "compound(:$name, $offset) {";
indent_rb { indent_rb {
if (!$subtype) { render_item($field);
render_struct_fields($field);
} else {
render_bitfield_fields($field);
}
}; };
push @lines_rb, "}" push @lines_rb, "}";
} elsif ($subtype eq 'enum') {
render_enum_fields($field);
} else {
print "no render compound $subtype\n";
} }
} }
sub render_field_container { sub render_item {
my ($name, $field) = @_; my ($item) = @_;
return if (!$item);
my $subtype = $field->getAttribute('ld:subtype');
my $offset = "'offsetof_$name'"; my $meta = $item->getAttribute('ld:meta');
if ($subtype eq 'stl-deque') { my $renderer = $item_renderer{$meta};
push @lines_rb, "stl_deque :$name, $offset"; if ($renderer) {
} elsif ($subtype eq 'stl-bit-vector') { $renderer->($item);
push @lines_rb, "stl_bitvector :$name, $offset";
} elsif ($subtype eq 'stl-vector') {
my $item = $field->findnodes('child::ld:item')->[0] or return;
my $itemdesc = render_item($item);
push @lines_rb, "stl_vector(:$name, $offset, $itemdesc";
} elsif ($subtype eq 'df-array') {
my $item = $field->findnodes('child::ld:item')->[0] or return;
my $itemdesc = render_item($item);
push @lines_rb, "df_array(:$name, $offset, $itemdesc";
} elsif ($subtype eq 'df-linked-list') {
my $item = $field->findnodes('child::ld:item')->[0] or return;
my $itemdesc = render_item($item);
push @lines_rb, "df_linklist(:$name, $offset, $itemdesc";
} elsif ($subtype eq 'df-flagarray') {
push @lines_rb, "df_flagarray :$name, $offset";
} else { } else {
print "no render field container $subtype\n"; print "no render item $meta\n";
} }
} }
sub render_item_global {
my ($item) = @_;
sub render_field_pointer { my $typename = $item->getAttribute('type-name');
my ($name, $field) = @_; my $rbname = rb_ucase($typename);
my $offset = "'offsetof_$name'";
my $item = $field->findnodes('child::ld:item')->[0] or return;
my $itemdesc = render_item($item);
push @lines_rb, "pointer(:$name, $offset, $itemdesc";
}
sub render_field_array {
my ($name, $field) = @_;
my $offset = "'offsetof_$name'"; push @lines_rb, "global :$rbname";
my $count = $field->getAttribute('count');
my $item = $field->findnodes('child::ld:item')->[0] or return;
my $itemdesc = render_item($item);
push @lines_rb, "staticarray(:$name, $offset, $count, $itemdesc";
} }
sub render_field_primitive { sub render_item_number {
my ($name, $field) = @_; my ($item) = @_;
my $offset = "'offsetof_$name'"; my $subtype = $item->getAttribute('ld:subtype');
my $subtype = $field->getAttribute('ld:subtype'); $subtype = $item->getAttribute('base-type') if ($subtype eq 'enum');
if ($subtype eq 'stl-string') { $subtype = 'int32_t' if (!$subtype);
push @lines_rb, "string :$name, $offset";
if ($subtype eq 'int64_t') {
push @lines_rb, 'number 64, true';
} elsif ($subtype eq 'uint32_t') {
push @lines_rb, 'number 32, false';
} elsif ($subtype eq 'int32_t') {
push @lines_rb, 'number 32, true';
} elsif ($subtype eq 'uint16_t') {
push @lines_rb, 'number 16, false';
} elsif ($subtype eq 'int16_t') {
push @lines_rb, 'number 16, true';
} elsif ($subtype eq 'uint8_t') {
push @lines_rb, 'number 8, false';
} elsif ($subtype eq 'int8_t') {
push @lines_rb, 'number 8, false';
} elsif ($subtype eq 'bool') {
push @lines_rb, 'number 8, true';
} elsif ($subtype eq 's-float') {
push @lines_rb, 'float';
} else { } else {
print "no render primitive $subtype $name\n"; print "no render number $subtype\n";
} }
} }
sub render_field_bytes { sub render_item_compound {
my ($name, $field) = @_; my ($item) = @_;
my $offset = "'offsetof_$name'"; my $subtype = $item->getAttribute('ld:subtype');
my $subtype = $field->getAttribute('ld:subtype'); if (!$subtype || $subtype eq 'bitfield') {
if ($subtype eq 'padding') { push @lines_rb, "compound {";
} elsif ($subtype eq 'static-string') { indent_rb {
my $size = $field->getAttribute('ld:subtype'); if (!$subtype) {
push @lines_rb, "static_string :$name, $offset, $size"; render_struct_fields($item);
} else {
render_bitfield_fields($item);
}
};
push @lines_rb, "}"
} elsif ($subtype eq 'enum') {
# declare constants
render_enum_fields($item);
# actual field
render_item_number($item);
} else { } else {
print "no render field bytes $subtype $name\n"; print "no render compound $subtype\n";
} }
} }
sub render_struct_fields { sub render_item_container {
my ($type) = @_; my ($item) = @_;
for my $field ($type->findnodes('child::ld:field')) {
my $name = $field->getAttribute('name');
$name = $field->getAttribute('ld:anon-name') if (!$name);
next if (!$name);
my $meta = $field->getAttribute('ld:meta');
my $renderer = $render_struct_field{$meta}; my $subtype = $item->getAttribute('ld:subtype');
if ($renderer) { my $rbmethod = join('_', split('-', $subtype));
$renderer->($name, $field); my $tg = $item->findnodes('child::ld:item')->[0];
} else { if ($tg) {
print "no render field $meta\n"; my $tglen = get_tglen($tg);
} push @lines_rb, "$rbmethod($tglen) {";
indent_rb {
render_item($tg);
};
push @lines_rb, "}";
} else {
push @lines_rb, "$rbmethod";
} }
} }
sub render_item_number { sub render_item_pointer {
my ($item) = @_; my ($item) = @_;
my $sz = $item->getAttribute('ld:bits') / 8; my $tg = $item->findnodes('child::ld:item')->[0];
my $subtype = $item->getAttribute('ld:subtype'); my $tglen = get_tglen($tg);
$subtype = 'float' if ($subtype eq 's-float'); push @lines_rb, "pointer($tglen) {";
return "$sz) { a_$subtype }"; indent_rb {
render_item($tg);
};
push @lines_rb, "}";
} }
sub render_item_global { sub render_item_staticarray {
my ($item) = @_; my ($item) = @_;
my $typename = $item->getAttribute('type-name'); my $count = $item->getAttribute('count');
my $rbname = rb_ucase($typename); my $tg = $item->findnodes('child::ld:item')->[0];
return "nil) { a_global :$rbname }"; my $tglen = get_tglen($tg);
push @lines_rb, "static_array($count, $tglen) {";
indent_rb {
render_item($tg);
};
push @lines_rb, "}";
} }
sub render_item_primitive { sub render_item_primitive {
@ -279,57 +254,38 @@ sub render_item_primitive {
my $subtype = $item->getAttribute('ld:subtype'); my $subtype = $item->getAttribute('ld:subtype');
if ($subtype eq 'stl-string') { if ($subtype eq 'stl-string') {
return "nil) { a_string }"; push @lines_rb, "stl_string";
} else { } else {
print "no render a_primitive $subtype\n"; print "no render primitive $subtype\n";
return "nil)";
} }
} }
sub render_item_pointer { sub render_item_bytes {
my ($item) = @_; my ($item) = @_;
my $pitem = $item->findnodes('child::ld:item')->[0]; my $subtype = $item->getAttribute('ld:subtype');
my $desc; if ($subtype eq 'padding') {
if ($pitem) { } elsif ($subtype eq 'static-string') {
$desc = render_item($pitem); my $size = $item->getAttribute('size');
push @lines_rb, "static_string($size)";
} else { } else {
$desc = 'nil)'; print "no render bytes $subtype\n";
} }
return "4) { a_pointer($desc }";
}
sub render_item_array {
my ($item) = @_;
print "no render item array\n";
return "nil)";
} }
sub render_item_container {
my ($item) = @_;
print "no render item container\n";
return "nil)";
}
sub render_item_compound {
my ($item) = @_;
print "no render item compound\n";
return "nil)";
}
sub render_item { sub get_tglen {
my ($item) = @_; my ($tg) = @_;
my $meta = $item->getAttribute('ld:meta'); if (!$tg) { return 'nil'; }
my $renderer = $render_item{$meta}; my $meta = $tg->getAttribute('ld:meta');
if ($renderer) { if ($meta eq 'number') {
return $renderer->($item); return $tg->getAttribute('ld:bits')/8;
} elsif ($meta eq 'pointer') {
return 4;
} else { } else {
print "no render field $meta\n"; # TODO
return "nil)"; return "'TODOsizeof($meta)'";
} }
} }
@ -344,7 +300,7 @@ $global_types{$_->getAttribute('type-name')} = $_ foreach $doc->findnodes('/ld:d
for my $name (sort { $a cmp $b } keys %global_types) { for my $name (sort { $a cmp $b } keys %global_types) {
my $type = $global_types{$name}; my $type = $global_types{$name};
my $meta = $type->getAttribute('ld:meta'); my $meta = $type->getAttribute('ld:meta');
my $renderer = $render_global_type{$meta}; my $renderer = $global_type_renderer{$meta};
if ($renderer) { if ($renderer) {
$renderer->($name, $type); $renderer->($name, $type);
} else { } else {