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Jochen Eisinger 786d486172 Create a microtask scope before performing a microtask checkpoint 
When the embedder uses microtask scopes to control microtask execution,
we check in the V8 API that there's always a microtask scope on the
stack when entering V8. However, a microtask might call into the
embedder which in turn can call into V8, so we have to put a fake scope
on the stack before executing microtasks to avoid hitting the check.

Bug: chromium:728583
Change-Id: I99bcbcca26eaaac827d0ec09064044f616fb9efc
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2853597
Commit-Queue: Jochen Eisinger <jochen@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74248}
2021-04-28 10:25:59 +00:00
.github [github] Close PRs created on the V8 GitHub mirror automatically 2021-01-12 08:39:59 +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 Make Google benchmark dependency a default 2021-04-21 12:19:40 +00:00
include [api] Update v8::Module::Evaluate comment for TLA 2021-04-28 07:51:20 +00:00
infra [test] Fix OS config for odroids 2021-04-27 12:05:02 +00:00
samples Reland "[api] Add v8::Isolate::ThrowError helper" 2021-04-16 11:48:05 +00:00
src Create a microtask scope before performing a microtask checkpoint 2021-04-28 10:25:59 +00:00
test Revert "[test] Disable flaky cctest on stress_concurrent_allocation" 2021-04-28 09:18:05 +00:00
testing build: Remove no-op calls to set_sources_assignment_filter 2020-10-08 14:44:01 +00:00
third_party [build] Fix gn check errors in test/benchmarks/cpp 2021-04-27 10:35:33 +00:00
tools [respect] Rename UBSAN's blacklists to ignorelists 2021-04-28 07:55:39 +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 Add .flake8 to allow for python style checking. 2019-07-19 21:44:03 +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 [build] Remove legacy binutils 2021-01-08 12:33:31 +00:00
.gn [build] Dynamically decide if to use system xcode 2019-07-29 08:20:24 +00:00
.vpython [tools] Implement confidence-based number of runs 2019-05-09 09:42:28 +00:00
.ycm_extra_conf.py Fix ycm config for headers without source 2019-12-09 11:59:21 +00:00
AUTHORS [tools] Make tools/mb/mb.py work with Python 3 2021-04-27 09:08:43 +00:00
BUILD.gn base: Move lsan.h to base/sanitizer/ 2021-04-28 08:50:06 +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 Remove petermarshall from OWNERS 2021-03-31 11:00:22 +00:00
DEPS Update V8 DEPS. 2021-04-28 03:48:53 +00:00
DIR_METADATA Add DIR_METADATA files to v8. 2020-10-20 22:12:28 +00:00
ENG_REVIEW_OWNERS Update ENG_REVIEW_OWNERS 2021-02-25 14:28:32 +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
MIPS_OWNERS [mips] Request to be an owner of MIPS files 2020-11-23 09:43:49 +00:00
OWNERS Add RISC-V backend 2021-02-09 17:06:36 +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 [riscv64] Change one of the owners for RISCV. 2021-04-20 14:39:26 +00:00
S390_OWNERS Adding myself to relevant OWNERS files. 2020-11-02 16:37:28 +00:00
WATCHLISTS [watchlist] Add leszeks to src/baseline watchlist 2021-04-27 08:40:24 +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.