Function NewModule

module_feat_cranelift.go:13–33

NewModule compiles a new `Module` from the `wasm` provided with the given configuration in `engine`.

(engine *Engine, wasm []byte)

// NewModule compiles a new `Module` from the `wasm` provided with the given configuration
// in `engine`.
func NewModule(engine *Engine, wasm []byte) (*Module, error) {
	// We can't create the `wasm_byte_vec_t` here and pass it in because
	// that runs into the error of "passed a pointer to a pointer" because
	// the vec itself is passed by pointer and it contains a pointer to
	// `wasm`. To work around this we insert some C shims above and call
	// them.
	var wasmPtr *C.uint8_t
	if len(wasm) > 0 {
		wasmPtr = (*C.uint8_t)(unsafe.Pointer(&wasm[0]))
	}
	var ptr *C.wasmtime_module_t
	err := C.wasmtime_module_new(engine.ptr(), wasmPtr, C.size_t(len(wasm)), &ptr)
	runtime.KeepAlive(engine)
	runtime.KeepAlive(wasm)

	if err != nil {
		return nil, mkError(err)
	}

	return mkModule(ptr), nil
}

// ModuleValidate validates whether `wasm` would be a valid wasm module according to the
// configuration in `store`