mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Keion Anvaripour
4537131878
Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/30595 Changelog: [Internal] Add support for loading HBC bundles from Metro in Twilight. * adds `runtimeBytecodeVersion` to the bundleURL * adds logic to check chunk hermes bytecode bundles * adds support for running the bytecode bundles Reviewed By: cpojer Differential Revision: D24966992 fbshipit-source-id: acdd03a2e9e2b3e4c29c99c35a7c9136a3a7ef01
43 lines
1001 B
C++
43 lines
1001 B
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include "JSBundleType.h"
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#include <folly/Bits.h>
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namespace facebook {
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namespace react {
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static uint32_t constexpr RAMBundleMagicNumber = 0xFB0BD1E5;
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static uint32_t constexpr HBCBundleMagicNumber = 0xffe7c3c3;
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ScriptTag parseTypeFromHeader(const BundleHeader &header) {
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switch (folly::Endian::little(header.magic)) {
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case RAMBundleMagicNumber:
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return ScriptTag::RAMBundle;
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case HBCBundleMagicNumber:
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return ScriptTag::HBCBundle;
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default:
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return ScriptTag::String;
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}
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}
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const char *stringForScriptTag(const ScriptTag &tag) {
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switch (tag) {
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case ScriptTag::String:
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return "String";
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case ScriptTag::RAMBundle:
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return "RAM Bundle";
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case ScriptTag::HBCBundle:
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return "HBC Bundle";
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}
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return "";
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}
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} // namespace react
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} // namespace facebook
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