internal Module(Interop.StoreHandle store, string name, byte[] bytes)
{
unsafe
{
fixed(byte *ptr = bytes)
{
Interop.wasm_byte_vec_t vec;
vec.size = (UIntPtr)bytes.Length;
vec.data = ptr;
var error = Interop.wasmtime_module_new(store, ref vec, out var handle);
if (error != IntPtr.Zero)
{
throw new WasmtimeException($"WebAssembly module '{name}' is not valid: {WasmtimeException.FromOwnedError(error).Message}");
}
Handle = handle;
}
}
Name = name;
Imports = new Wasmtime.Imports.Imports(this);
Exports = new Wasmtime.Exports.Exports(this);
}
internal MutableGlobal(Interop.StoreHandle store, T initialValue)
{
if (!Interop.TryGetValueKind(typeof(T), out var kind))
{
throw new WasmtimeException($"Mutable global variables cannot be of type '{typeof(T).ToString()}'.");
}
Kind = kind;
var value = Interop.ToValue((object)initialValue, Kind);
var valueType = Interop.wasm_valtype_new(value.kind);
var valueTypeHandle = valueType.DangerousGetHandle();
valueType.SetHandleAsInvalid();
using var globalType = Interop.wasm_globaltype_new(
valueTypeHandle,
Interop.wasm_mutability_t.WASM_VAR
);
unsafe
{
Handle = Interop.wasm_global_new(store, globalType, &value);
if (Handle.IsInvalid)
{
throw new WasmtimeException("Failed to create mutable Wasmtime global.");
}
}
}
internal Memory(Interop.StoreHandle store, uint minimum = 1, uint maximum = uint.MaxValue)
{
if (minimum == 0)
{
throw new ArgumentException("The minimum cannot be zero.", nameof(minimum));
}
if (maximum < minimum)
{
throw new ArgumentException("The maximum cannot be less than the minimum.", nameof(maximum));
}
Minimum = minimum;
Maximum = maximum;
unsafe
{
Interop.wasm_limits_t limits = new Interop.wasm_limits_t();
limits.min = minimum;
limits.max = maximum;
using var memoryType = Interop.wasm_memorytype_new(&limits);
Handle = Interop.wasm_memory_new(store, memoryType);
if (Handle.IsInvalid)
{
throw new WasmtimeException("Failed to create Wasmtime memory.");
}
}
}
internal Function(Interop.StoreHandle store, Delegate func, bool hasReturn)
{
if (func is null)
{
throw new ArgumentNullException(nameof(func));
}
var type = func.GetType();
Span <Type> parameterTypes = null;
Type returnType = null;
if (hasReturn)
{
parameterTypes = type.GenericTypeArguments[0..^ 1];
internal Module(Interop.StoreHandle store, string name, byte[] bytes)
{
unsafe
{
fixed(byte *ptr = bytes)
{
Interop.wasm_byte_vec_t vec;
vec.size = (UIntPtr)bytes.Length;
vec.data = ptr;
Handle = Interop.wasm_module_new(store, ref vec);
}
if (Handle.IsInvalid)
{
throw new WasmtimeException($"WebAssembly module '{name}' is not valid.");
}
}
Name = name;
Imports = new Wasmtime.Imports.Imports(this);
Exports = new Wasmtime.Exports.Exports(this);
}