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Nico Hartmann 199f1c2a92 Revert "Reland "[string] Support shared strings in Value{Serializer,Deserializer}"" 
This reverts commit 5320fe8d58.

Reason for revert: https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Linux%20-%20debug/38175/overview

Original change's description:
> Reland "[string] Support shared strings in Value{Serializer,Deserializer}"
>
> This is a reland of 3cb4039cd1
>
> Changes since revert:
> - Fix FLAG_stress_scavenge interaction with shared Isolate
> - Use the shared Isolate's global handles to keep shared values
>   alive in transit during a postMessage
>
> Original change's description:
> > [string] Support shared strings in Value{Serializer,Deserializer}
> >
> > When FLAG_shared_string_table is true, postMessaging strings will share
> > instead of copy.
> >
> > Note that not all operations on shared strings are supported, and shared
> > strings may be slower than non-shared strings for some operations.
> >
> > Bug: v8:12007
> > Change-Id: I3462128e15410d2568868143571571b3025722c1
> > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3277250
> > Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> > Commit-Queue: Shu-yu Guo <syg@chromium.org>
> > Cr-Commit-Position: refs/heads/main@{#78614}
>
> Bug: v8:12007
> Change-Id: I5d9b99b2dac6f26d5ef046d7aec94f1a1d219419
> Cq-Include-Trybots: luci.v8.try:v8_linux64_tsan_rel_ng
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3389533
> Reviewed-by: Camillo Bruni <cbruni@chromium.org>
> Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Commit-Queue: Shu-yu Guo <syg@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#78761}

Bug: v8:12007
Change-Id: Ie8e54b30055324e6592562450b51d5a11e11c9d0
Cq-Include-Trybots: luci.v8.try:v8_linux64_tsan_rel_ng
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3416232
Auto-Submit: Nico Hartmann <nicohartmann@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Owners-Override: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78762}
2022-01-26 09:12:18 +00:00
.github [github] Close PRs created on the V8 GitHub mirror automatically 2021-01-12 08:39:59 +00:00
bazel [bazel] Cleanup style with Buildifier. 2022-01-11 10:00:36 +00:00
build_overrides [build] Remove obsolete gn flag 2021-01-11 15:50:59 +00:00
custom_deps Use relative paths to OWNERS files 2019-08-12 13:52:52 +00:00
docs Add OWNERS for docs/ 2019-05-15 12:06:15 +00:00
gni Consolidate arguments that change together on branch cut 2022-01-20 11:20:09 +00:00
include Revert "Reland "[string] Support shared strings in Value{Serializer,Deserializer}"" 2022-01-26 09:12:18 +00:00
infra Increase shards for test262 on V8 Linux64 ASAN 2022-01-19 15:07:49 +00:00
samples cppgc: Fix hello world 2022-01-25 16:34:14 +00:00
src Revert "Reland "[string] Support shared strings in Value{Serializer,Deserializer}"" 2022-01-26 09:12:18 +00:00
test Revert "Reland "[string] Support shared strings in Value{Serializer,Deserializer}"" 2022-01-26 09:12:18 +00:00
testing [test][cleanup] Fix -Wshadow warnings in unittests 2021-09-27 08:59:01 +00:00
third_party Roll inspector_protocol to 5221cbfa7f940d56ae8b79bf34c446a56781dd56 2022-01-24 09:16:35 +00:00
tools [ShadowRealm] Part 1 - Skeleton 2022-01-25 18:10:57 +00:00
.bazelrc [bazel] Use v8_enable_handle_zapping only in debug builds. 2022-01-11 11:32:39 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +00:00
.clang-tidy [tool] Remove unfixed clang-tidy warnings to ease use. 2018-10-26 07:40:32 +00:00
.editorconfig Add .editorconfig 2017-07-28 13:39:24 +00:00
.flake8 remove swarming_client 2021-08-24 10:39:33 +00:00
.git-blame-ignore-revs [infra] Update .git-blame-ignore-revs 2020-03-03 12:59:13 +00:00
.gitattributes .gitattributes: Mark minified emscripten js files as -diff 2018-09-19 16:27:10 +00:00
.gitignore remove swarming_client 2021-08-24 10:39:33 +00:00
.gn Revert "[build] Separate out inspector as a shared library" 2021-07-02 16:15:20 +00:00
.mailmap Restore consistency between .mailmap and AUTHORS 2021-06-24 08:58:04 +00:00
.vpython Verify mac-arm64 wheels for v8/.vpython spec. 2021-09-15 21:11:50 +00:00
.vpython3 Add vpython3 to DEPS 2021-11-05 18:08:29 +00:00
.ycm_extra_conf.py [ycm] Fix python script 2021-07-29 09:48:32 +00:00
AUTHORS [snapshot] The length of the snapshot version string is 64 bytes 2022-01-10 14:46:58 +00:00
BUILD.bazel [bazel] Fix build by removing deleted file after inspector roll 2022-01-25 19:58:46 +00:00
BUILD.gn [ext-code-space] Support V8 sandbox mode 2022-01-25 23:12:18 +00:00
CODE_OF_CONDUCT.md Explicitly state that the Chromium Code of Conduct also applies to V8 2016-03-02 09:51:24 +00:00
codereview.settings Make Gerrit the default code review for V8 2017-06-30 17:37:37 +00:00
COMMON_OWNERS [owners] Add nikolaos@ to common owners 2022-01-12 09:37:27 +00:00
DEPS Update google_benchmark 2022-01-25 07:01:35 +00:00
DIR_METADATA Add DIR_METADATA files to v8. 2020-10-20 22:12:28 +00:00
ENG_REVIEW_OWNERS Add verwaest@ to ENG_REVIEW_OWNERS. 2021-09-16 15:00:57 +00:00
INFRA_OWNERS Add team members as owners 2020-08-18 08:29:04 +00:00
INTL_OWNERS add ftang as owner 2020-04-24 19:19:36 +00:00
LICENSE [wasm] Draft version of C/C++ Wasm API 2019-04-17 16:00:26 +00:00
LICENSE.fdlibm Add LICENSE.fdlibm for all the fdlibm imported sources. 2016-06-09 07:17:03 +00:00
LICENSE.strongtalk Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.v8 Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LOONG_OWNERS [LOONG64] Add LoongArch64 backend 2021-08-16 13:05:19 +00:00
MIPS_OWNERS [mips] Add LiuYu to MIPS_OWNERS 2021-09-08 01:38:52 +00:00
OWNERS Let infra owners own all dot files 2021-11-05 18:57:18 +00:00
PPC_OWNERS Adding myself to relevant OWNERS files. 2020-11-02 16:37:28 +00:00
PRESUBMIT.py [bigint] Move multiplication to src/bigint/ 2021-04-19 15:40:43 +00:00
README.md [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
RISCV_OWNERS Add Lu Yahan to RISC-V owners list 2021-09-13 16:35:00 +00:00
S390_OWNERS Adding myself to relevant OWNERS files. 2020-11-02 16:37:28 +00:00
WATCHLISTS Add myself to heap/ watchlist 2021-11-08 16:58:14 +00:00
WORKSPACE [bazel] Cleanup style with Buildifier. 2022-01-11 10:00:36 +00:00

README.md

V8 JavaScript Engine

V8 is Google's open source JavaScript engine.

V8 implements ECMAScript as specified in ECMA-262.

V8 is written in C++ and is used in Google Chrome, the open source browser from Google.

V8 can run standalone, or can be embedded into any C++ application.

V8 Project page: https://v8.dev/docs

Getting the Code

Checkout depot tools, and run

    fetch v8

This will checkout V8 into the directory v8 and fetch all of its dependencies. To stay up to date, run

    git pull origin
    gclient sync

For fetching all branches, add the following into your remote configuration in .git/config:

    fetch = +refs/branch-heads/*:refs/remotes/branch-heads/*
    fetch = +refs/tags/*:refs/tags/*

Contributing

Please follow the instructions mentioned at v8.dev/docs/contribute.