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ed66588041
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nikolaos ed66588041 This patch implements an alternative approach to the rewriting 
of non-pattern expressions, according to the (internally circulated)
design document.  Details to be provided here.

1.  RewritableAssignmentExpression has been renamed to RewritableExpression.
    It is a wrapper for AST nodes that wait for some potential rewriting
    (that may or may not happen).  Also, Is... and As... macros now see
    through RewritableExpressions.

2.  The function state keeps a list of rewritable expressions that must be
    rewritten only if they are used as non-pattern expressions.

3.  Expression classifiers are now templates, parameterized by parser
    traits.  They keep some additional state: a pointer to the list of
    non-pattern rewritable expressions.  It is important that expression
    classifiers be used strictly in a stack fashion, from now on.

4.  The RewriteNonPattern function has been simplified.

BUG=chromium:579913
LOG=N

Committed: https://crrev.com/7f5c864a6faf2b957b7273891e143b9bde35487c
Cr-Commit-Position: refs/heads/master@{#34154}

Review URL: https://codereview.chromium.org/1702063002

Cr-Commit-Position: refs/heads/master@{#34162}
2016-02-19 15:59:33 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build [Swarming] Isolate jsfunfuzz. 2016-02-18 15:24:48 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
include Mark old SetAccessCheckCallback as deprecated 2016-02-19 08:37:37 +00:00
infra [cq] Update configuration. 2016-02-12 14:29:27 +00:00
samples Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
src This patch implements an alternative approach to the rewriting 2016-02-19 15:59:33 +00:00
test [Interpreter] Support relevant FLAG_s in generate-bytecode-expectations. 2016-02-19 15:52:58 +00:00
testing Converted V8 CQ config to proto-format 2015-05-28 15:02:53 +00:00
third_party/binutils Update binutils version. 2015-08-07 08:09:49 +00:00
tools [turbofan] Remove the JSContextRelaxation reducer. 2016-02-19 07:55:48 +00:00
.clang-format [formatting] Remove the formatting requirement for 2 empty lines between declarations. 2016-01-25 09:50:17 +00:00
.gitignore [Swarming] Speed up test262 upload/download. 2016-02-19 14:41:29 +00:00
.ycm_extra_conf.py [ycm] The YouCompleteMe configuration is not VIM specific. 2015-02-12 07:21:13 +00:00
AUTHORS Make handle ctors explicit 2016-01-29 09:12:51 +00:00
BUILD.gn [turbofan] Remove the JSContextRelaxation reducer. 2016-02-19 07:55:48 +00:00
ChangeLog [Release] Update ChangeLog file 2016-02-17 21:29:09 +00:00
codereview.settings Use v8-reviews@ for review mail, so v8-dev@ is free for dev discussions 2015-09-09 08:14:11 +00:00
DEPS Update V8 DEPS. 2016-02-19 04:25:24 +00:00
LICENSE Updates to the license information of third party components. 2015-06-16 12:37:50 +00:00
LICENSE.strongtalk
LICENSE.v8
LICENSE.valgrind
Makefile Add a library suitable for libfuzzer with a small unit test runner shell 2016-01-26 10:39:03 +00:00
Makefile.android Reland [android] Migrate more configs to gyp. 2015-06-26 12:04:09 +00:00
Makefile.nacl Use the pnacl-clang toolchain for (P)NaCL builds 2014-10-06 08:10:50 +00:00
OWNERS Update OWNERS file. 2015-07-16 11:37:51 +00:00
PRESUBMIT.py [cq] Automatically use the same bots for git cl try. 2016-01-14 11:15:16 +00:00
README.md [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
snapshot_toolchain.gni Map arm64 and mips64el -> x64 for mksnapshot 2015-12-16 15:17:37 +00:00
WATCHLISTS [Interpreter] Make InterpreterAssembler a subclass of CodeStubAssembler. 2016-02-10 16:39:32 +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://github.com/v8/v8/wiki

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 on the V8 wiki.