-static native void init(java.lang.Class c, java.lang.Class slicedef);
-static native void init_class_cache();
-
-public static native boolean deref_bool(long ptr);
-public static native long deref_long(long ptr);
-public static native void free_heap_ptr(long ptr);
-public static native byte[] read_bytes(long ptr, long len);
-public static native byte[] get_u8_slice_bytes(long slice_ptr);
-public static native long bytes_to_u8_vec(byte[] bytes);
-public static native long new_txpointer_copy_data(byte[] txdata);
-public static native void txpointer_free(long ptr);
-public static native byte[] txpointer_get_buffer(long ptr);
-public static native long vec_slice_len(long vec);
-public static native long new_empty_slice_vec();
-*/
+/* @internal */
+export async function initializeWasmFetch(uri: string) {
+ const stream = fetch(uri);
+ imports.env["js_invoke_function"] = js_invoke;
+ const { instance: wasmInstance } = await WebAssembly.instantiateStreaming(stream, imports);
+ await finishInitializeWasm(wasmInstance);
+}"""
+
+ self.bindings_header += """
+// WASM CODEC
+
+/* @internal */
+export function uint5ArrToBytes(inputArray: Array<UInt5>): Uint8Array {
+ const arr = new Uint8Array(inputArray.length);
+ for (var i = 0; i < inputArray.length; i++) {
+ arr[i] = inputArray[i].getVal();
+ }
+ return arr;
+}
+
+/* @internal */
+export function encodeUint8Array (inputArray: Uint8Array): number {
+ const cArrayPointer = wasm.TS_malloc(inputArray.length + 4);
+ const arrayLengthView = new Uint32Array(wasm.memory.buffer, cArrayPointer, 1);
+ arrayLengthView[0] = inputArray.length;
+ const arrayMemoryView = new Uint8Array(wasm.memory.buffer, cArrayPointer + 4, inputArray.length);
+ arrayMemoryView.set(inputArray);
+ return cArrayPointer;
+}
+/* @internal */
+export function encodeUint32Array (inputArray: Uint32Array|Array<number>): number {
+ const cArrayPointer = wasm.TS_malloc((inputArray.length + 1) * 4);
+ const arrayMemoryView = new Uint32Array(wasm.memory.buffer, cArrayPointer, inputArray.length);
+ arrayMemoryView.set(inputArray, 1);
+ arrayMemoryView[0] = inputArray.length;
+ return cArrayPointer;
+}
+/* @internal */
+export function encodeUint64Array (inputArray: BigUint64Array|Array<bigint>): number {
+ const cArrayPointer = wasm.TS_malloc(inputArray.length * 8 + 1);
+ const arrayLengthView = new Uint32Array(wasm.memory.buffer, cArrayPointer, 1);
+ arrayLengthView[0] = inputArray.length;
+ const arrayMemoryView = new BigUint64Array(wasm.memory.buffer, cArrayPointer + 4, inputArray.length);
+ arrayMemoryView.set(inputArray);
+ return cArrayPointer;
+}
+
+/* @internal */
+export function check_arr_len(arr: Uint8Array, len: number): Uint8Array {
+ if (arr.length != len) { throw new Error("Expected array of length " + len + "got " + arr.length); }
+ return arr;
+}
+
+/* @internal */
+export function getArrayLength(arrayPointer: number): number {
+ const arraySizeViewer = new Uint32Array(wasm.memory.buffer, arrayPointer, 1);
+ return arraySizeViewer[0];
+}
+/* @internal */
+export function decodeUint8Array (arrayPointer: number, free = true): Uint8Array {
+ const arraySize = getArrayLength(arrayPointer);
+ const actualArrayViewer = new Uint8Array(wasm.memory.buffer, arrayPointer + 4, arraySize);
+ // Clone the contents, TODO: In the future we should wrap the Viewer in a class that
+ // will free the underlying memory when it becomes unreachable instead of copying here.
+ // Note that doing so may have edge-case interactions with memory resizing (invalidating the buffer).
+ const actualArray = actualArrayViewer.slice(0, arraySize);
+ if (free) {
+ wasm.TS_free(arrayPointer);
+ }
+ return actualArray;
+}
+const decodeUint32Array = (arrayPointer: number, free = true) => {
+ const arraySize = getArrayLength(arrayPointer);
+ const actualArrayViewer = new Uint32Array(
+ wasm.memory.buffer, // value
+ arrayPointer + 4, // offset (ignoring length bytes)
+ arraySize // uint32 count
+ );
+ // Clone the contents, TODO: In the future we should wrap the Viewer in a class that
+ // will free the underlying memory when it becomes unreachable instead of copying here.
+ const actualArray = actualArrayViewer.slice(0, arraySize);
+ if (free) {
+ wasm.TS_free(arrayPointer);
+ }
+ return actualArray;
+}
+
+
+export function freeWasmMemory(pointer: number) { wasm.TS_free(pointer); }
+
+/* @internal */
+export function getU32ArrayElem(arrayPointer: number, idx: number): number {
+ const actualArrayViewer = new Uint32Array(wasm.memory.buffer, arrayPointer + 4, idx + 1);
+ return actualArrayViewer[idx];
+}
+
+/* @internal */
+export function getU8ArrayElem(arrayPointer: number, idx: number): number {
+ const actualArrayViewer = new Uint8Array(wasm.memory.buffer, arrayPointer + 4, idx + 1);
+ return actualArrayViewer[idx];
+}
+
+
+/* @internal */
+export function encodeString(str: string): number {
+ const charArray = new TextEncoder().encode(str);
+ return encodeUint8Array(charArray);
+}