File Coverage

blib/lib/Wasm/Wasmtime/ValType.pm

Criterion	Covered	Total	%
statement	12	12	100.0
branch			n/a
condition			n/a
subroutine	5	5	100.0
pod	1	1	100.0
total	18	18	100.0

package Wasm::Wasmtime::ValType;

use strict;
use warnings;
use 5.008004;
use Wasm::Wasmtime::FFI;

# ABSTRACT: Wasmtime value type class
our $VERSION = '0.21'; # VERSION


$ffi_prefix = 'wasm_valtype_';
$ffi->load_custom_type('::PtrObject' => 'wasm_valtype_t' => __PACKAGE__);

my %kind = (
  0   => 'i32',
  1   => 'i64',
  2   => 'f32',
  3   => 'f64',
  128 => 'anyref',
  129 => 'funcref',
);

my %rkind;
foreach my $key (keys %kind)
{
  my $value = $kind{$key};
  $rkind{$value} = $key;
}


$ffi->attach( new => ['uint8'] => 'wasm_valtype_t' => sub {
  my $xsub = shift;
  my $class = shift;
  if($_[0] =~ /^[0-9]+$/)
  {
    my($ptr, $owner) = @_;
    return bless {
      ptr   => $ptr,
      owner => $owner,
    }, $class;
  }
  else
  {
    my($kind) = @_;
    my $kind_num = $rkind{$kind};
    Carp::croak("no such value type: $kind") unless defined $kind_num;
    return $xsub->($kind_num);
  }
});


sub kind { $kind{shift->kind_num} }


$ffi->attach( [kind => 'kind_num'] => ['wasm_valtype_t'] => 'uint8' );


*to_string = \&kind;

_generate_destroy();
_generate_vec_class( delete => 0 );

$ffi->attach( [ wasm_valtype_vec_new => 'Wasm::Wasmtime::ValTypeVec::set' ] => ['wasm_valtype_vec_t*','size_t','opaque[]'] => sub {
  my($xsub, $self, $valtypes) = @_;
  $xsub->($self, scalar(@$valtypes), $valtypes);
  $self;
});

1;

__END__