Function makeSetValueImpl

src/parseTools.mjs:517–538

(ptr, pos, value, type)

}

function makeSetValueImpl(ptr, pos, value, type) {
  if (type == 'i64' && !WASM_BIGINT) {
    // If we lack BigInt support we must fall back to an reading a pair of I32
    // values.
    // prettier-ignore
    return '(tempI64 = [' + splitI64(value) + '], ' +
            makeSetValueImpl(ptr, pos, 'tempI64[0]', 'i32') + ',' +
            makeSetValueImpl(ptr, getFastValue(pos, '+', getNativeTypeSize('i32')), 'tempI64[1]', 'i32') + ')';
  }

  const offset = calcFastOffset(ptr, pos);

  if (type === 'i53') {
    return `writeI53ToI64(${offset}, ${value})`;
  }

  const slab = getHeapForType(type);
  if (slab == 'HEAPU64' || slab == 'HEAP64') {
    value = castToBigInt(value);
  }
  return `${slab}[${getHeapOffset(offset, type)}] = ${value}`;
}

function makeHEAPView(which, start, end) {
  // The makeHEAPView, for legacy reasons, takes a heap "suffix"