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Michael Lippautz 49954eb56f Revert "[api,heap] Remove deprecated Persistent APIs" 
This reverts commit 1ebf5f7281.

Reason for revert: Breaks TSAN

Original change's description:
> [api,heap] Remove deprecated Persistent APIs
> 
> Removes APIs:
> - MarkIndependent
> - IsIndependent
> - MarkActive
> - RegisterExternalReference
> 
> All weak persistent handles are now treated as independent. Users of
> traced handles should already use v8::EmbedderHeapTracer.
> 
> Bug: chromium:923361
> Change-Id: Ic90a647fe2ce9db92197ad6560e4907290805592
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1578459
> Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#60953}

TBR=ulan@chromium.org,mlippautz@chromium.org

Change-Id: I8281daf30b67c1b71ef6e65d8f13a59230ba0334
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:923361
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1578900
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60954}
2019-04-23 14:56:53 +00:00
benchmarks [test] Ensure random generator in JSTests does not use float arithmetic 2018-12-17 10:05:08 +00:00
build_overrides [tracing] Add build config for Perfetto behind a flag 2019-03-28 09:26:52 +00:00
custom_deps [build] Add common directory for custom deps 2018-06-08 19:23:02 +00:00
docs [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
gni [build] Compile compiler with optimizations in fast mksnapshot mode 2019-04-09 13:34:32 +00:00
include Revert "[api,heap] Remove deprecated Persistent APIs" 2019-04-23 14:56:53 +00:00
infra specify os dimension explicitly for test triggered from linux builder 2019-04-23 13:50:20 +00:00
samples Add a sample that uses the JS API to create wasm 2018-06-07 23:43:38 +00:00
src Revert "[api,heap] Remove deprecated Persistent APIs" 2019-04-23 14:56:53 +00:00
test Revert "[api,heap] Remove deprecated Persistent APIs" 2019-04-23 14:56:53 +00:00
testing Remove dummy files created for rolling googletest. 2018-03-27 05:55:56 +00:00
third_party [wasm-c-api] Add upstream examples as tests 2019-04-17 18:04:16 +00:00
tools [tools] Remove RunnableGenericConfig and its corresponding tests 2019-04-23 13:00:01 +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
.git-blame-ignore-revs [build] Add DEPS formatting to hyper-blame 2017-10-09 14:08:45 +00:00
.gitattributes .gitattributes: Mark minified emscripten js files as -diff 2018-09-19 16:27:10 +00:00
.gitignore Add .ccls-cache to .gitignore 2019-02-26 10:32:45 +00:00
.gn [test] Remove obsolete test262 archive extract 2018-03-28 13:52:15 +00:00
.vpython [tools] Correctly identify and report test crashes and infra failures 2018-10-30 15:05:40 +00:00
.ycm_extra_conf.py [ycm] Switch from gnu++11 to gnu++14 2017-11-27 07:48:21 +00:00
AUTHORS ppc: Fix incorrect ABI detection 2019-04-11 00:38:08 +00:00
BUILD.gn mksnapshot: introduce a V8_TARGET_OS_CHROMEOS define 2019-04-18 19:47:00 +00:00
ChangeLog [release] Merge ChangeLog back to master 2018-12-07 15:41:59 +00:00
CODE_OF_CONDUCT.md
codereview.settings Make Gerrit the default code review for V8 2017-06-30 17:37:37 +00:00
DEPS Update V8 DEPS. 2019-04-23 04:22:35 +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
LICENSE.v8
LICENSE.valgrind
OWNERS [owners] Add szuend@chromium.org to top level owners 2019-03-18 09:37:52 +00:00
PRESUBMIT.py Revert "[torque] Temporarily disable torque format check to pass presubmit" 2019-02-20 14:07:17 +00:00
README.md [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
snapshot_toolchain.gni Make win/cross build work better when targeting arm64 on macOS hosts. 2019-03-22 18:30:23 +00:00
WATCHLISTS Update WATCHLIST wrt yangguo 2018-11-23 08:29:12 +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.