Open7
DockerでV8のソースコードをビルドして実行する
tommy34Dockerfile
FROM ubuntu:24.04
ENV TZ=Asia/Tokyo
ENV PATH=/depot_tools:$PATH
RUN ln -snf /usr/share/zoneinfo/${TZ} /etc/localtime && echo ${TZ} > /etc/timezone && \
sed -i 's@archive.ubuntu.com@ftp.jaist.ac.jp/pub/Linux@g' /etc/apt/sources.list && \
echo "bind 'set bell-style none'" >> .bashrc && \
apt-get update && \
apt-get install --no-install-recommends -y git wget curl python3 lsb-release \
xz-utils libglib2.0-dev ca-certificates cloc && \
apt-get clean && \
rm -rf /var/lib/apt/lists/* && \
git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
WORKDIR /depot_tools
RUN update_depot_tools && \
fetch v8
WORKDIR /depot_tools/v8
RUN tools/dev/gm.py x64.release
$ docker --version
Docker version 24.0.5, build ced0996
un
$ uname -a
Linux MyComputer 5.15.133.1-microsoft-standard-WSL2 #1 SMP Thu Oct 5 21:02:42 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
コンテナのビルド
docker build -t v8 .
[+] Building 3632.1s (10/10) FINISHED docker:default
=> [internal] load .dockerignore 1.8s
=> => transferring context: 2B 0.1s
=> [internal] load build definition from Dockerfile 1.3s
=> => transferring dockerfile: 742B 0.2s
=> [internal] load metadata for docker.io/library/ubuntu:24.04 0.0s
=> [1/6] FROM docker.io/library/ubuntu:24.04 0.0s
=> CACHED [2/6] RUN ln -snf /usr/share/zoneinfo/Asia/Tokyo /etc/localtime && echo Asi 0.0s
=> CACHED [3/6] WORKDIR /depot_tools 0.0s
=> [4/6] RUN update_depot_tools && fetch v8 2132.1s
=> [5/6] WORKDIR /depot_tools/v8 1.4s
=> [6/6] RUN tools/dev/gm.py x64.release 1333.6s
=> exporting to image 161.0s
=> => exporting layers 160.7s
=> => writing image sha256:9fd9fb1e69fcad3a84b46101d99e4d111051039d5ae17018dbea6f6bf7 0.1s
=> => naming to docker.io/library/v8 0.2s
What's Next?
View summary of image vulnerabilities and recommendations → docker scout quickview
ビルドしたV8が実行できることを確認できる
d8はV8の開発用のシェルです
$ docker run -it --rm --name v8_container v8 bash
root@c3c824421702:/depot_tools/v8# ls
AUTHORS INTL_OWNERS PRESUBMIT.py build_overrides samples
BUILD.bazel LICENSE README.md buildtools src
BUILD.gn LICENSE.fdlibm RISCV_OWNERS codereview.settings test
CODE_OF_CONDUCT.md LICENSE.strongtalk S390_OWNERS custom_deps testing
COMMON_OWNERS LICENSE.v8 WATCHLISTS docs third_party
DEPS LOONG_OWNERS WORKSPACE gni tools
DIR_METADATA MIPS_OWNERS base include
ENG_REVIEW_OWNERS OWNERS bazel infra
INFRA_OWNERS PPC_OWNERS build out
root@c3c824421702:/depot_tools/v8# ls out
x64.release
root@c3c824421702:/depot_tools/v8# ls out/x64.release/
args.gn bytecode_builtins_list_generator icudtl.dat toolchain.ninja
build.ninja d8 mksnapshot torque
build.ninja.d gen obj v8_build_config.json
build.ninja.stamp gen-regexp-special-case snapshot_blob.bin v8_features.json
root@c3c824421702:/depot_tools/v8# ./out/x64.release/d8
V8 version 12.3.0 (candidate)
d8> 1 + 1
2
d8> 1 + 1
2
d8> console.log("hello world")
hello world
undefined
d8> quit()
root@c3c824421702:/depot_tools/v8# cat <<EOF > test.js
> let a = 1;
> var b = 2;
> const c = 3;
> console.log(a + b + c);
> EOF
root@c3c824421702:/depot_tools/v8# ./out/x64.release/d8 test.js
6
root@c3c824421702:/depot_tools/v8#
ソースコードの行数は約1400万行
root@c3c824421702:/depot_tools/v8# cloc --exclude-dir=build --exclude-dir=out .
136818 text files.
105802 unique files.
35071 files ignored.
2 errors:
Line count, exceeded timeout: ./test/benchmarks/data/sunspider/string-unpack-code.js
Line count, exceeded timeout: ./test/webkit/fast/js/regexp-stack-overflow.js
github.com/AlDanial/cloc v 1.98 T=472.91 s (223.7 files/s, 40095.5 lines/s)
---------------------------------------------------------------------------------------
Language files blank comment code
---------------------------------------------------------------------------------------
Text 4613 49923 0 3982561
C++ 13669 445234 447470 3181943
JavaScript 66094 697978 1416565 2715029
C/C++ Header 11877 462022 803210 2362147
Python 3095 125669 201135 473373
WebAssembly 302 10510 3957 185692
JSON 360 81 0 171605
C 214 24354 20842 155632
Java 426 15861 28045 102327
CMake 973 13475 14062 75483
TypeScript 508 10469 12692 72404
C# 161 6418 12477 55038
Objective-C 82 7436 6876 51944
Protocol Buffers 570 9526 25255 48548
Markdown 339 12348 60 44124
Bourne Shell 442 5105 6839 30254
HTML 123 2972 568 30195
diff 63 262 17059 21737
SQL 273 1517 7307 20070
XML 201 2933 899 19997
Windows Module Definition 10 51 0 19269
Starlark 65 1335 1702 17200
PHP 141 2860 8936 15669
reStructuredText 344 6882 6269 14105
Perl 52 2268 2973 11385
Bazel 45 929 1150 10167
CSS 25 1059 389 9588
YAML 101 1251 396 9413
CSV 25 4 0 6762
SCSS 47 743 752 5719
make 73 914 1007 5442
Ruby 29 845 398 5325
Pascal 39 1541 6517 4937
Assembly 15 509 1418 4571
DTD 7 1065 4855 4106
m4 13 587 146 3828
TOML 35 87 289 3595
Bourne Again Shell 93 663 1023 3319
Logos 12 245 16 1822
Maven 13 77 37 1480
DOS Batch 64 353 470 1297
Dockerfile 18 191 300 1152
Expect 9 23 28 675
Rust 38 151 273 647
Windows Resource File 8 115 156 506
Go 5 44 36 416
INI 15 53 0 374
Lisp 4 89 151 353
Swift 1 51 58 351
TeX 2 119 114 312
Objective-C++ 23 145 281 283
Jinja Template 8 23 18 265
PowerShell 4 40 98 248
Korn Shell 1 39 46 223
Scheme 1 13 51 222
vim script 4 41 72 197
Handlebars 1 5 0 156
Meson 2 24 25 129
MSBuild script 7 29 16 120
SVG 7 0 0 117
Dart 2 17 7 93
R 1 12 22 79
Ant 1 8 15 57
Visual Studio Solution 1 0 1 53
sed 3 11 23 35
XSLT 1 5 4 24
ANTLR Grammar 1 21 18 20
awk 1 5 3 17
---------------------------------------------------------------------------------------
SUM: 105802 1929635 3065877 13966226
---------------------------------------------------------------------------------------
ここではV8をソースコードからビルドしたが、様々なJavaScriptエンジンが利用できるjsvu (JavaScript engine Version Updater)というツールでV8を簡単に使うことができる。
