709 lines
21 KiB
Perl
709 lines
21 KiB
Perl
#!/usr/bin/perl
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use strict;
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use warnings;
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use XML::LibXML;
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our @lines_rb;
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my @lines_cpp;
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my @include_cpp;
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my %offsets;
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sub indent_rb(&) {
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my ($sub) = @_;
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my @lines;
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{
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local @lines_rb;
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$sub->();
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@lines = map { " " . $_ } @lines_rb;
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}
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push @lines_rb, @lines
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}
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sub rb_ucase {
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my ($name) = @_;
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return $name if ($name eq uc($name));
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return join("", map { ucfirst $_ } (split('_', $name)));
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}
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my %item_renderer = (
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'global' => \&render_item_global,
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'number' => \&render_item_number,
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'container' => \&render_item_container,
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'compound' => \&render_item_compound,
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'pointer' => \&render_item_pointer,
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'static-array' => \&render_item_staticarray,
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'primitive' => \&render_item_primitive,
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'bytes' => \&render_item_bytes,
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);
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my %global_types;
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sub render_global_enum {
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my ($name, $type) = @_;
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my $rbname = rb_ucase($name);
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push @lines_rb, "class $rbname < MemHack::Enum";
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indent_rb {
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render_enum_fields($type);
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};
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push @lines_rb, "end\n";
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}
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sub render_enum_fields {
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my ($type) = @_;
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my $value = -1;
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push @lines_rb, "ENUM = Hash.new";
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push @lines_rb, "NUME = Hash.new";
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my %attr_type;
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my %attr_list;
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for my $attr ($type->findnodes('child::enum-attr')) {
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my $rbattr = rb_ucase($attr->getAttribute('name'));
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my $typeattr = $attr->getAttribute('type-name');
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# find how we need to encode the attribute values: string, symbol (for enums), raw (number, bool)
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if ($typeattr) {
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if ($global_types{$typeattr}) {
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$attr_type{$rbattr} = 'symbol';
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} else {
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$attr_type{$rbattr} = 'naked';
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}
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} else {
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$attr_type{$rbattr} = 'quote';
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}
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my $def = $attr->getAttribute('default-value');
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if ($attr->getAttribute('is-list')) {
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push @lines_rb, "$rbattr = Hash.new { |h, k| h[k] = [] }";
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$attr_list{$rbattr} = 1;
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} elsif ($def) {
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$def = ":$def" if ($attr_type{$rbattr} eq 'symbol');
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$def =~ s/'/\\'/g if ($attr_type{$rbattr} eq 'quote');
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$def = "'$def'" if ($attr_type{$rbattr} eq 'quote');
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push @lines_rb, "$rbattr = Hash.new($def)";
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} else {
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push @lines_rb, "$rbattr = Hash.new";
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}
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}
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for my $item ($type->findnodes('child::enum-item')) {
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$value = $item->getAttribute('value') || ($value+1);
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my $elemname = $item->getAttribute('name'); # || "unk_$value";
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if ($elemname) {
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my $rbelemname = rb_ucase($elemname);
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push @lines_rb, "ENUM[$value] = :$rbelemname ; NUME[:$rbelemname] = $value";
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for my $iattr ($item->findnodes('child::item-attr')) {
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my $ian = $iattr->getAttribute('name');
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my $iav = $iattr->getAttribute('value');
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my $rbattr = rb_ucase($ian);
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my $op = ($attr_list{$rbattr} ? '<<' : '=');
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$iav = ":$iav" if ($attr_type{$rbattr} eq 'symbol');
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$iav =~ s/'/\\'/g if ($attr_type{$rbattr} eq 'quote');
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$iav = "'$iav'" if ($attr_type{$rbattr} eq 'quote');
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$lines_rb[$#lines_rb] .= " ; ${rbattr}[:$rbelemname] $op $iav";
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}
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}
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}
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}
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sub render_global_bitfield {
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my ($name, $type) = @_;
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push @lines_cpp, "}" if @include_cpp;
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push @lines_cpp, "void cpp_$name(FILE *fout) {";
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push @include_cpp, $name;
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my $rbname = rb_ucase($name);
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push @lines_rb, "class $rbname < MemHack::Compound";
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indent_rb {
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render_bitfield_fields($type);
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};
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push @lines_rb, "end\n";
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}
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sub render_bitfield_fields {
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my ($type) = @_;
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push @lines_rb, "field(:_whole, 0) {";
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indent_rb {
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render_item_number($type, '');
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};
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push @lines_rb, "}";
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my $shift = 0;
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for my $field ($type->findnodes('child::ld:field')) {
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my $count = $field->getAttribute('count') || 1;
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my $name = $field->getAttribute('name');
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my $type = $field->getAttribute('type-name');
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my $enum = rb_ucase($type) if ($type and $global_types{$type});
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$name = $field->getAttribute('ld:anon-name') if (!$name);
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print "bitfield $name !number\n" if (!($field->getAttribute('ld:meta') eq 'number'));
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if ($count == 1) {
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push @lines_rb, "field(:$name, 0) { bit $shift }" if ($name);
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} elsif ($enum) {
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push @lines_rb, "field(:$name, 0) { bits $shift, $count, $enum }" if ($name);
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} else {
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push @lines_rb, "field(:$name, 0) { bits $shift, $count }" if ($name);
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}
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$shift += $count;
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}
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}
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sub render_global_struct {
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my ($name, $type) = @_;
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my $rbname = rb_ucase($name);
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my $cppns = "df::$name";
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push @lines_cpp, "}" if @include_cpp;
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push @lines_cpp, "void cpp_$name(FILE *fout) {";
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push @include_cpp, $name;
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push @lines_rb, "class $rbname < MemHack::Compound";
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indent_rb {
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my $sz = query_cpp("sizeof($cppns)");
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push @lines_rb, "sizeof $sz";
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render_struct_fields($type, "$cppns");
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};
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push @lines_rb, "end\n";
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}
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my %seen_class;
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sub render_global_class {
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my ($name, $type) = @_;
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my $rbname = rb_ucase($name);
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# ensure pre-definition of ancestors
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my $parent = $type->getAttribute('inherits-from');
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render_global_class($parent, $global_types{$parent}) if ($parent and !$seen_class{$parent});
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return if $seen_class{$name};
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$seen_class{$name}++;
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my $rtti_name;
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if ($type->getAttribute('ld:meta') eq 'class-type') {
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$rtti_name = $type->getAttribute('original-name') ||
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$type->getAttribute('type-name') ||
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$name;
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}
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my $rbparent = ($parent ? rb_ucase($parent) : 'MemHack::Compound');
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my $cppns = "df::$name";
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push @lines_cpp, "}" if @include_cpp;
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push @lines_cpp, "void cpp_$name(FILE *fout) {";
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push @include_cpp, $name;
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push @lines_rb, "class $rbname < $rbparent";
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indent_rb {
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my $sz = query_cpp("sizeof($cppns)");
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push @lines_rb, "sizeof $sz";
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push @lines_rb, "rtti_classname :$rtti_name" if $rtti_name;
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render_struct_fields($type, "$cppns");
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my $vms = $type->findnodes('child::virtual-methods')->[0];
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render_class_vmethods($vms) if $vms;
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};
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push @lines_rb, "end\n";
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}
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sub render_struct_fields {
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my ($type, $cppns) = @_;
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for my $field ($type->findnodes('child::ld:field')) {
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my $name = $field->getAttribute('name');
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$name = $field->getAttribute('ld:anon-name') if (!$name);
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if (!$name and $field->getAttribute('ld:anon-compound')) {
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render_struct_fields($field, $cppns);
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}
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next if (!$name);
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my $offset = get_offset($cppns, $name);
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push @lines_rb, "field(:$name, $offset) {";
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indent_rb {
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render_item($field, "$cppns");
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};
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push @lines_rb, "}";
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}
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}
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sub render_class_vmethods {
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my ($vms) = @_;
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my $voff = 0;
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for my $meth ($vms->findnodes('child::vmethod')) {
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my $name = $meth->getAttribute('name');
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if ($name) {
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my @argnames;
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my @argargs;
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for my $arg ($meth->findnodes('child::ld:field')) {
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my $nr = $#argnames + 1;
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my $argname = lcfirst($arg->getAttribute('name') || "arg$nr");
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push @argnames, $argname;
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if ($arg->getAttribute('ld:meta') eq 'global' and $arg->getAttribute('ld:subtype') eq 'enum') {
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push @argargs, rb_ucase($arg->getAttribute('type-name')) . ".to_i($argname)";
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} else {
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push @argargs, $argname;
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}
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}
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push @lines_rb, "def $name(" . join(', ', @argnames) . ')';
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indent_rb {
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my $args = join('', map { ", $_" } @argargs);
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my $call = "DFHack.vmethod_call(self, $voff$args)";
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my $ret = $meth->findnodes('child::ret-type')->[0];
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render_class_vmethod_ret($call, $ret);
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};
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push @lines_rb, 'end';
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}
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# on linux, the destructor uses 2 entries
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$voff += 4 if $meth->getAttribute('is-destructor') and $^O =~ /linux/i;
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$voff += 4;
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}
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}
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sub render_class_vmethod_ret {
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my ($call, $ret) = @_;
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if (!$ret) {
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push @lines_rb, "$call ; nil";
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return;
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}
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my $retmeta = $ret->getAttribute('ld:meta') || '';
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if ($retmeta eq 'global') { # enum
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my $retname = $ret->getAttribute('type-name');
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if ($retname and $global_types{$retname} and
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$global_types{$retname}->getAttribute('ld:meta') eq 'enum-type') {
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push @lines_rb, rb_ucase($retname) . ".to_sym($call)";
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} else {
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print "vmethod global nonenum $call\n";
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push @lines_rb, $call;
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}
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} elsif ($retmeta eq 'number') {
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my $retsubtype = $ret->getAttribute('ld:subtype');
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my $retbits = $ret->getAttribute('ld:bits');
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push @lines_rb, "val = $call";
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if ($retsubtype eq 'bool') {
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push @lines_rb, "(val & 1) != 0";
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} elsif ($ret->getAttribute('ld:unsigned')) {
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push @lines_rb, "val & ((1 << $retbits) - 1)";
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} else { # signed
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push @lines_rb, "val &= ((1 << $retbits) - 1)";
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push @lines_rb, "((val >> ($retbits-1)) & 1) == 0 ? val : val - (1 << $retbits)";
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}
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} elsif ($retmeta eq 'pointer') {
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push @lines_rb, "ptr = $call";
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push @lines_rb, "class << self";
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indent_rb {
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render_item($ret->findnodes('child::ld:item')->[0]);
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};
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push @lines_rb, "end._at(ptr) if ptr != 0";
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} else {
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print "vmethod unkret $call\n";
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push @lines_rb, $call;
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}
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}
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sub render_global_objects {
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my (@objects) = @_;
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my @global_objects;
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my $sname = 'global_objects';
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my $rbname = rb_ucase($sname);
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push @lines_cpp, "}" if @include_cpp;
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push @lines_cpp, "void cpp_$sname(FILE *fout) {";
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push @include_cpp, $sname;
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push @lines_rb, "class $rbname < MemHack::Compound";
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indent_rb {
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for my $obj (@objects) {
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my $oname = $obj->getAttribute('name');
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my $addr = "DFHack.get_global_address('$oname')";
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push @lines_rb, "addr = $addr";
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push @lines_rb, "if addr != 0";
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indent_rb {
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push @lines_rb, "field(:$oname, addr) {";
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my $item = $obj->findnodes('child::ld:item')->[0];
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indent_rb {
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render_item($item, 'df::global');
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};
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push @lines_rb, "}";
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};
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push @lines_rb, "end";
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push @global_objects, $oname;
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}
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};
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push @lines_rb, "end";
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indent_rb {
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push @lines_rb, "Global = GlobalObjects.new._at(0)";
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for my $obj (@global_objects) {
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push @lines_rb, "def self.$obj ; Global.$obj ; end";
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push @lines_rb, "def self.$obj=(v) ; Global.$obj = v ; end";
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}
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};
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}
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sub render_item {
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my ($item, $pns) = @_;
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return if (!$item);
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my $meta = $item->getAttribute('ld:meta');
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my $renderer = $item_renderer{$meta};
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if ($renderer) {
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$renderer->($item, $pns);
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} else {
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print "no render item $meta\n";
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}
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}
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sub render_item_global {
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my ($item, $pns) = @_;
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my $typename = $item->getAttribute('type-name');
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my $subtype = $item->getAttribute('ld:subtype');
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if ($subtype and $subtype eq 'enum') {
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render_item_number($item, $pns);
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} else {
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my $rbname = rb_ucase($typename);
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push @lines_rb, "global :$rbname";
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}
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}
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sub render_item_number {
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my ($item, $pns) = @_;
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my $subtype = $item->getAttribute('ld:subtype');
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my $meta = $item->getAttribute('ld:meta');
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my $initvalue = $item->getAttribute('init-value');
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my $typename = $item->getAttribute('type-name');
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undef $typename if ($meta and $meta eq 'bitfield-type');
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$typename = rb_ucase($typename) if $typename;
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$typename = $pns if (!$typename and $subtype and $subtype eq 'enum'); # compound enum
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$initvalue = 1 if ($initvalue and $initvalue eq 'true');
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$initvalue = ":$initvalue" if ($initvalue and $typename and $initvalue =~ /[a-zA-Z]/);
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$initvalue ||= 'nil' if $typename;
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$subtype = $item->getAttribute('base-type') if (!$subtype or $subtype eq 'enum' or $subtype eq 'bitfield');
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$subtype = 'int32_t' if (!$subtype);
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if ($subtype eq 'int64_t') {
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push @lines_rb, 'number 64, true';
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} elsif ($subtype eq 'uint32_t') {
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push @lines_rb, 'number 32, false';
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} elsif ($subtype eq 'int32_t') {
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push @lines_rb, 'number 32, true';
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} elsif ($subtype eq 'uint16_t') {
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push @lines_rb, 'number 16, false';
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} elsif ($subtype eq 'int16_t') {
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push @lines_rb, 'number 16, true';
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} elsif ($subtype eq 'uint8_t') {
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push @lines_rb, 'number 8, false';
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} elsif ($subtype eq 'int8_t') {
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push @lines_rb, 'number 8, false';
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} elsif ($subtype eq 'bool') {
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push @lines_rb, 'number 8, true';
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} elsif ($subtype eq 's-float') {
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push @lines_rb, 'float';
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return;
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} else {
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print "no render number $subtype\n";
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return;
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}
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$lines_rb[$#lines_rb] .= ", $initvalue" if ($initvalue);
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$lines_rb[$#lines_rb] .= ", $typename" if ($typename);
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}
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sub render_item_compound {
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my ($item, $pns) = @_;
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my $cppns = $pns . '::' . $item->getAttribute('ld:typedef-name');
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my $subtype = $item->getAttribute('ld:subtype');
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my @namecomponents = split('::', $cppns);
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shift @namecomponents;
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my $classname = join('_', map { rb_ucase($_) } @namecomponents);
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if (!$subtype || $subtype eq 'bitfield') {
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push @lines_rb, "compound(:$classname) {";
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indent_rb {
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if (!$subtype) {
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render_struct_fields($item, $cppns);
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} else {
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render_bitfield_fields($item);
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}
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};
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push @lines_rb, "}"
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} elsif ($subtype eq 'enum') {
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push @lines_rb, "class ::DFHack::$classname < MemHack::Enum";
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indent_rb {
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# declare constants
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render_enum_fields($item);
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};
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push @lines_rb, "end\n";
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# actual field
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render_item_number($item, $classname);
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} else {
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print "no render compound $subtype\n";
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}
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}
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sub render_item_container {
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my ($item, $pns) = @_;
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my $subtype = $item->getAttribute('ld:subtype');
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my $rbmethod = join('_', split('-', $subtype));
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my $tg = $item->findnodes('child::ld:item')->[0];
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my $indexenum = $item->getAttribute('index-enum');
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if ($tg) {
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if ($rbmethod eq 'df_linked_list') {
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push @lines_rb, "$rbmethod {";
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} else {
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my $tglen = get_tglen($tg, $pns);
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push @lines_rb, "$rbmethod($tglen) {";
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}
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indent_rb {
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render_item($tg, $pns);
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};
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push @lines_rb, "}";
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} elsif ($indexenum) {
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$indexenum = rb_ucase($indexenum);
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push @lines_rb, "$rbmethod($indexenum)";
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} else {
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push @lines_rb, "$rbmethod";
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}
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}
|
|
|
|
sub render_item_pointer {
|
|
my ($item, $pns) = @_;
|
|
|
|
my $tg = $item->findnodes('child::ld:item')->[0];
|
|
my $ary = $item->getAttribute('is-array');
|
|
if ($ary and $ary eq 'true') {
|
|
my $tglen = get_tglen($tg, $pns);
|
|
push @lines_rb, "pointer_ary($tglen) {";
|
|
} else {
|
|
push @lines_rb, "pointer {";
|
|
}
|
|
indent_rb {
|
|
render_item($tg, $pns);
|
|
};
|
|
push @lines_rb, "}";
|
|
}
|
|
|
|
sub render_item_staticarray {
|
|
my ($item, $pns) = @_;
|
|
|
|
my $count = $item->getAttribute('count');
|
|
my $tg = $item->findnodes('child::ld:item')->[0];
|
|
my $tglen = get_tglen($tg, $pns);
|
|
my $indexenum = $item->getAttribute('index-enum');
|
|
if ($indexenum) {
|
|
$indexenum = rb_ucase($indexenum);
|
|
push @lines_rb, "static_array($count, $tglen, $indexenum) {";
|
|
} else {
|
|
push @lines_rb, "static_array($count, $tglen) {";
|
|
}
|
|
indent_rb {
|
|
render_item($tg, $pns);
|
|
};
|
|
push @lines_rb, "}";
|
|
}
|
|
|
|
sub render_item_primitive {
|
|
my ($item, $pns) = @_;
|
|
|
|
my $subtype = $item->getAttribute('ld:subtype');
|
|
if ($subtype eq 'stl-string') {
|
|
push @lines_rb, "stl_string";
|
|
} else {
|
|
print "no render primitive $subtype\n";
|
|
}
|
|
}
|
|
|
|
sub render_item_bytes {
|
|
my ($item, $pns) = @_;
|
|
|
|
my $subtype = $item->getAttribute('ld:subtype');
|
|
if ($subtype eq 'padding') {
|
|
} elsif ($subtype eq 'static-string') {
|
|
my $size = $item->getAttribute('size');
|
|
push @lines_rb, "static_string($size)";
|
|
} else {
|
|
print "no render bytes $subtype\n";
|
|
}
|
|
}
|
|
|
|
sub get_offset {
|
|
my ($cppns, $fname) = @_;
|
|
|
|
return query_cpp("offsetof($cppns, $fname)");
|
|
}
|
|
|
|
sub get_tglen {
|
|
my ($tg, $cppns) = @_;
|
|
|
|
if (!$tg) {
|
|
return 'nil';
|
|
}
|
|
|
|
my $meta = $tg->getAttribute('ld:meta');
|
|
if ($meta eq 'number') {
|
|
return $tg->getAttribute('ld:bits')/8;
|
|
} elsif ($meta eq 'pointer') {
|
|
return 4;
|
|
} elsif ($meta eq 'container') {
|
|
my $subtype = $tg->getAttribute('ld:subtype');
|
|
if ($subtype eq 'stl-vector') {
|
|
return query_cpp("sizeof(std::vector<int>)");
|
|
} elsif ($subtype eq 'df-linked-list') {
|
|
return 12;
|
|
} else {
|
|
print "cannot tglen container $subtype\n";
|
|
}
|
|
} elsif ($meta eq 'compound') {
|
|
my $cname = $tg->getAttribute('ld:typedef-name');
|
|
return query_cpp("sizeof(${cppns}::$cname)");
|
|
} elsif ($meta eq 'static-array') {
|
|
my $count = $tg->getAttribute('count');
|
|
my $ttg = $tg->findnodes('child::ld:item')->[0];
|
|
my $ttgl = get_tglen($ttg, $cppns);
|
|
if ($ttgl =~ /^\d+$/) {
|
|
return $count * $ttgl;
|
|
} else {
|
|
return "$count*$ttgl";
|
|
}
|
|
} elsif ($meta eq 'global') {
|
|
my $typename = $tg->getAttribute('type-name');
|
|
my $subtype = $tg->getAttribute('ld:subtype');
|
|
if ($subtype and $subtype eq 'enum') {
|
|
my $base = $tg->getAttribute('base-type') || 'int32_t';
|
|
if ($base eq 'int32_t') {
|
|
return 4;
|
|
} elsif ($base eq 'int16_t') {
|
|
return 2;
|
|
} elsif ($base eq 'int8_t') {
|
|
return 1;
|
|
} else {
|
|
print "cannot tglen enum $base\n";
|
|
}
|
|
} else {
|
|
return query_cpp("sizeof(df::$typename)");
|
|
}
|
|
} elsif ($meta eq 'primitive') {
|
|
my $subtype = $tg->getAttribute('ld:subtype');
|
|
if ($subtype eq 'stl-string') {
|
|
return query_cpp("sizeof(std::string)");
|
|
} else {
|
|
print "cannot tglen primitive $subtype\n";
|
|
}
|
|
} else {
|
|
print "cannot tglen $meta\n";
|
|
}
|
|
}
|
|
|
|
my %query_cpp_cache;
|
|
sub query_cpp {
|
|
my ($query) = @_;
|
|
|
|
my $ans = $offsets{$query};
|
|
return $ans if (defined($ans));
|
|
|
|
my $cached = $query_cpp_cache{$query};
|
|
return $cached if (defined($cached));
|
|
$query_cpp_cache{$query} = 1;
|
|
|
|
push @lines_cpp, " fprintf(fout, \"%s = %d\\n\", \"$query\", $query);";
|
|
return "'$query'";
|
|
}
|
|
|
|
|
|
|
|
my $input = $ARGV[0] || '../../library/include/df/codegen.out.xml';
|
|
|
|
# run once with output = 'ruby-autogen.cpp'
|
|
# compile
|
|
# execute, save output to 'ruby-autogen.offsets'
|
|
# re-run this script with output = 'ruby-autogen.rb' and offsetfile = 'ruby-autogen.offsets'
|
|
# delete binary
|
|
# delete offsets
|
|
my $output = $ARGV[1] or die "need output file";
|
|
my $offsetfile = $ARGV[2];
|
|
my $memstruct = $ARGV[3];
|
|
|
|
if ($offsetfile) {
|
|
open OF, "<$offsetfile";
|
|
while (my $line = <OF>) {
|
|
chomp($line);
|
|
my ($key, $val) = split(' = ', $line);
|
|
$offsets{$key} = $val;
|
|
}
|
|
close OF;
|
|
}
|
|
|
|
|
|
my $doc = XML::LibXML->new()->parse_file($input);
|
|
$global_types{$_->getAttribute('type-name')} = $_ foreach $doc->findnodes('/ld:data-definition/ld:global-type');
|
|
|
|
my @nonenums;
|
|
for my $name (sort { $a cmp $b } keys %global_types) {
|
|
my $type = $global_types{$name};
|
|
my $meta = $type->getAttribute('ld:meta');
|
|
if ($meta eq 'enum-type') {
|
|
render_global_enum($name, $type);
|
|
} else {
|
|
push @nonenums, $name;
|
|
}
|
|
}
|
|
|
|
for my $name (@nonenums) {
|
|
my $type = $global_types{$name};
|
|
my $meta = $type->getAttribute('ld:meta');
|
|
if ($meta eq 'struct-type') {
|
|
render_global_struct($name, $type);
|
|
} elsif ($meta eq 'class-type') {
|
|
render_global_class($name, $type);
|
|
} elsif ($meta eq 'bitfield-type') {
|
|
render_global_bitfield($name, $type);
|
|
} else {
|
|
print "no render global type $meta\n";
|
|
}
|
|
}
|
|
|
|
|
|
render_global_objects($doc->findnodes('/ld:data-definition/ld:global-object'));
|
|
|
|
|
|
open FH, ">$output";
|
|
if ($output =~ /\.cpp$/) {
|
|
print FH "#include \"DataDefs.h\"\n";
|
|
print FH "#include \"df/$_.h\"\n" for @include_cpp;
|
|
print FH "#include <stdio.h>\n";
|
|
print FH "#include <stddef.h>\n";
|
|
print FH "$_\n" for @lines_cpp;
|
|
print FH "}\n";
|
|
print FH "int main(int argc, char **argv) {\n";
|
|
print FH " FILE *fout;\n";
|
|
print FH " if (argc < 2) return 1;\n";
|
|
print FH " fout = fopen(argv[1], \"w\");\n";
|
|
print FH " cpp_$_(fout);\n" for @include_cpp;
|
|
print FH " fclose(fout);\n";
|
|
print FH " return 0;\n";
|
|
print FH "}\n";
|
|
|
|
} else {
|
|
if ($memstruct) {
|
|
open MH, "<$memstruct";
|
|
print FH "$_" while(<MH>);
|
|
close MH;
|
|
}
|
|
print FH "module DFHack\n";
|
|
print FH "$_\n" for @lines_rb;
|
|
print FH "end\n";
|
|
}
|
|
close FH;
|