Function wasmUnsignedLeb

deps/v8/test/mjsunit/wasm/wasm-module-builder.js:2441–2455

(val, max_len = 5)

}

function wasmUnsignedLeb(val, max_len = 5) {
  if (val == null) throw new Error("Leb value many not be null/undefined");
  let res = [];
  for (let i = 0; i < max_len; ++i) {
    let v = val & 0x7f;
    if (v == val) {
      res.push(v);
      return res;
    }
    res.push(v | 0x80);
    val = val >>> 7;
  }
  throw new Error(
      'Leb value <' + val + '> exceeds maximum length of ' + max_len);
}

function wasmI32Const(val) {
  return [kExprI32Const, ...wasmSignedLeb(val, 5)];