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Darius M 456202730c [compiler] Remove map check in StringRef::length 
The "length" field of strings should never be mutated once it has
been initialized. This means that the checks done by StringRef::length
were never really useful. This CL thus removes them.

Bug: chromium:1352386
Change-Id: I49f681daad119553eb0d4f1c2315bff5138197d7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3829541
Commit-Queue: Darius Mercadier <dmercadier@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82536}
2022-08-17 15:29:21 +00:00
.github [github] Close PRs created on the V8 GitHub mirror automatically 2021-01-12 08:39:59 +00:00
bazel [bazel] Silent zlib warning '-Wdeprecated-non-prototype' 2022-08-04 10:12:05 +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 [infra] Change all Python shebangs to Python3 2022-08-05 14:55:00 +00:00
include Revert "[sandbox] Sandboxify WasmExportedFunctionData::sig" 2022-08-17 15:28:18 +00:00
infra Reland "Reland "[infra] Enable sandbox for x64 and arm64 builders and add a set of builders with Sandbox off"" 2022-08-16 09:22:10 +00:00
samples [sandbox] Initialize sandbox during V8::Initialize 2022-07-15 09:29:32 +00:00
src [compiler] Remove map check in StringRef::length 2022-08-17 15:29:21 +00:00
test [BUILD] Add v8_use_zlib flag 2022-08-17 14:25:56 +00:00
testing [test] Migrate cctest/test-api-accessors.cc to unittests/ 2022-05-17 08:27:55 +00:00
third_party [change-array-by-copy] Implement Array.prototype.toSorted 2022-08-16 14:11:53 +00:00
tools [sandbox] Sandboxify WasmTypeInfo 2022-08-16 20:03:47 +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 [infra] Fork test262-harness 2022-02-23 18:47:35 +00:00
.gn Revert "[test] Migrate cctest/test-inspector to unittests/" 2022-08-17 09:15:38 +00:00
.mailmap Add .mailmap entries for jgruber 2022-08-04 08:53:02 +00:00
.style.yapf [tools] Add basic pointer compression to grokdump 2022-02-04 14:35:26 +00:00
.vpython Verify mac-arm64 wheels for v8/.vpython spec. 2021-09-15 21:11:50 +00:00
.vpython3 [python3] Add missing python3 dependency 2022-06-07 14:55:36 +00:00
.ycm_extra_conf.py [ycm] Fix python script 2021-07-29 09:48:32 +00:00
AUTHORS [fastcall] Implement support for Uint8Array arguments 2022-07-22 09:05:41 +00:00
BUILD.bazel [heap] Invoke internal GC callbacks before Heap verification 2022-08-17 09:00:28 +00:00
BUILD.gn [BUILD] Add v8_use_zlib flag 2022-08-17 14:25:56 +00:00
CODE_OF_CONDUCT.md
codereview.settings Make Gerrit the default code review for V8 2017-06-30 17:37:37 +00:00
COMMON_OWNERS add tebbi@chromium.org to COMMON_OWNERS 2022-03-08 14:08:25 +00:00
DEPS Update V8 DEPS (trusted-origins) 2022-08-17 04:51:58 +00:00
DIR_METADATA Add DIR_METADATA files to v8. 2020-10-20 22:12:28 +00:00
ENG_REVIEW_OWNERS Adding vahl@ as owner to speed up merge handling 2022-07-01 08:06:14 +00:00
INFRA_OWNERS [infra] Add alexschulze@ as infra owner 2022-07-18 09:08:54 +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
LICENSE.v8
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 Reland "[riscv32] Add RISCV32 backend" 2022-08-04 12:47:44 +00:00
PPC_OWNERS Adding myself to relevant OWNERS files. 2020-11-02 16:37:28 +00:00
PRESUBMIT.py [wasm] Limit module size in streaming decoder 2022-07-08 09:43:41 +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 Revert "[WATCHLISTS] Add riscv watch" 2022-08-17 14:29:02 +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.