File Coverage

blib/lib/Wasm/Wasmtime/Config.pm

Criterion	Covered	Total	%
statement	13	13	100.0
branch			n/a
condition			n/a
subroutine	6	6	100.0
pod			n/a
total	19	19	100.0

package Wasm::Wasmtime::Config;

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

# ABSTRACT: Global configuration for Wasm::Wasmtime::Engine
our $VERSION = '0.22'; # VERSION


$ffi_prefix = 'wasm_config_';
$ffi->load_custom_type('::PtrObject' => 'wasm_config_t' => __PACKAGE__);


$ffi->attach( new => [] => 'wasm_config_t' );

_generate_destroy();


foreach my $prop (qw(
  cranelift_debug_verifier
  debug_info
  interruptable
  wasm_bulk_memory
  wasm_reference_types
  wasm_multi_value
  wasm_simd
  wasm_threads
))
{
  $ffi->attach( [ "wasmtime_config_${prop}_set" => $prop ] => [ 'wasm_config_t', 'bool' ] => sub {
    my($xsub, $self, $value) = @_;
    $xsub->($self, $value);
    $self;
  });
}

foreach my $prop (qw(
  max_wasm_stack
))
{
  $ffi->attach( [ "wasmtime_config_${prop}_set" => $prop ] => [ 'wasm_config_t', 'size_t' ] => sub {
    my($xsub, $self, $value) = @_;
    $xsub->($self, $value);
    $self;
  });
}


outer:
foreach my $prop (qw( static_memory_maximum_size static_memory_guard_size dynamic_memory_guard_size ))
{
  $ffi->attach( [ "wasmtime_config_${prop}_set" => $prop ] => [ 'wasm_config_t', 'uint64' ] => 'void' => sub {
    my($xsub, $self, $value) = @_;
    $xsub->($self, $value);
    $self;
  });
}


my %strategy = (
  auto      => 0,
  cranelift => 1,
  lightbeam => 2,
);

$ffi->attach( [ 'wasmtime_config_strategy_set' => 'strategy' ] => [ 'wasm_config_t', 'uint8' ] => 'wasmtime_error_t' => sub {
  my($xsub, $self, $value) = @_;
  if(defined $strategy{$value})
  {
    if(my $error = $xsub->($self, $strategy{$value}))
    {
      Carp::croak($error->message);
    }
  }
  else
  {
    Carp::croak("unknown strategy: $value");
  }
  $self;
});


my %cranelift_opt_level = (
  none => 0,
  speed => 1,
  speed_and_size => 2,
);

$ffi->attach( ['wasmtime_config_cranelift_opt_level_set' => 'cranelift_opt_level' ] => ['wasm_config_t', 'uint8' ] => sub {
  my($xsub, $self, $value) = @_;
  if(defined $cranelift_opt_level{$value})
  {
    $xsub->($self, $cranelift_opt_level{$value});
  }
  else
  {
    Carp::croak("unknown cranelift_opt_level: $value");
  }
  $self;
});


my %profiler = (
  none    => 0,
  jitdump => 1,
  vtune   => 2,
);

$ffi->attach( ['wasmtime_config_profiler_set' => 'profiler' ] => ['wasm_config_t', 'uint8'] => 'wasmtime_error_t' => sub {
  my($xsub, $self, $value) = @_;
  if(defined $profiler{$value})
  {
    if(my $error = $xsub->($self, $profiler{$value}))
    {
      Carp::croak($error->message);
    }
  }
  else
  {
    Carp::croak("unknown profiler: $value");
  }
  $self;
});


$ffi->attach( [ 'wasmtime_config_cache_config_load' => 'cache_config_load' ] => [ 'wasm_config_t', 'string' ] => sub {
  my($xsub, $self, $value) = @_;
  Carp::croak("undef passed in as cache config") unless defined $value;
  $xsub->($self, $value);
  $self;
});

$ffi->attach( [ 'wasmtime_config_cache_config_load' => 'cache_config_default' ] => [ 'wasm_config_t', 'string' ] => sub {
  my($xsub, $self) = @_;
  $xsub->($self, undef);
  $self;
});


if(_v0_23_0())
{
  $ffi->attach( ['wasmtime_config_consume_fuel_set' => 'consume_fuel' ] => [ 'wasm_config_t', 'bool' ] => sub {
    my($xsub, $self, $value) = @_;
    $xsub->($self, $value);
    $self;
  });
  $ffi->attach( ['wasmtime_config_max_instances_set' => 'max_instances' ] => [ 'wasm_config_t', 'size_t' ] => sub {
    my($xsub, $self, $value) = @_;
    $xsub->($self, $value);
    $self;
  });
}
else
{
  *consume_fuel = sub {
    Carp::croak("unimplemented, upgrade wasmtime to 0.23.0");
  };
  *max_instances = sub {
    Carp::croak("unimplemented, upgrade wasmtime to 0.23.0");
  };
}

1;

__END__