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mstarzinger 80b98da2cd [compiler] Improve contract for Compiler::CompileDebugCode. 
This changes the contract for the aforementioned API function to be more
permissive and allow callers to call it with less restrictions. The new
contract is:

a) For so far un-compiled functions, the compiler is free to choose the
   backend according to other decision criteria. Debug code can hence be
   provided by either Ignition or FullCodegen.
b) For compiled functions, the compiler will provide debug code within
   the same tier as existing code. For Ignition the generated code will
   be equivalent to the old one. For FullCodegen the code will contain
   debug information and debug break slots.

Concretely this fixes an issue where generator or async functions might
have been compiled with an unexpected backend, due to the fact that the
API method in question was always providing FullCodegen code.

R=yangguo@chromium.org

Review-Url: https://codereview.chromium.org/2044063002
Cr-Commit-Position: refs/heads/master@{#36808}
2016-06-08 07:08:27 +00:00
benchmarks Revert "Refactoring: Make gtest testsuite the default." 2014-09-02 09:17:26 +00:00
build_overrides [gn] Rework debug configurations 2016-06-07 13:44:43 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gni [gn] Fix gyp/gn translation of use_snapshot 2016-06-07 08:02:47 +00:00
gypfiles [build] Landmine after ndk update. 2016-06-07 06:41:35 +00:00
include Track based on JSArrayBuffer addresses on pages instead of the attached 2016-06-07 17:29:35 +00:00
infra [CQ] Raise blink trybot percentage to 100 2016-04-29 09:05:06 +00:00
samples Rename shell to v8_shell 2016-05-10 12:32:25 +00:00
src [compiler] Improve contract for Compiler::CompileDebugCode. 2016-06-08 07:08:27 +00:00
test Revert of [heap] Uncommit unused large object page memory. (patchset #13 id:230001 of https://codereview.chromium.org/2032393002/ ) 2016-06-08 06:53:26 +00:00
testing Converted V8 CQ config to proto-format 2015-05-28 15:02:53 +00:00
third_party/binutils [gn] Move build to gypfiles 2016-04-29 10:11:11 +00:00
tools [gn] Fix gn targets for tools 2016-06-06 14:25:30 +00:00
.clang-format [formatting] Remove the formatting requirement for 2 empty lines between declarations. 2016-01-25 09:50:17 +00:00
.gitignore Add v8.ignition_dispatches_table.json to .gitignore 2016-05-03 18:12:11 +00:00
.gn [gn] Port exec_script whitelist from chromium/src/build 2016-06-07 07:49:12 +00:00
.ycm_extra_conf.py Use C++11 / gnu++11, not 0x 2016-03-22 15:24:43 +00:00
AUTHORS tools: Fix a syntax error in plot-timer-events 2016-05-23 10:19:47 +00:00
BUILD.gn [gn] Rework debug configurations 2016-06-07 13:44:43 +00:00
ChangeLog [Release] Update ChangeLog file 2016-02-17 21:29:09 +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 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. 2016-06-08 03:50:32 +00:00
LICENSE Updates to the license information of third party components. 2015-06-16 12:37:50 +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
LICENSE.valgrind Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
Makefile [build] Fix Makefile based (native) build. 2016-05-23 09:16:24 +00:00
Makefile.android [build] Fix d8-for-Android builds 2016-05-20 12:10:45 +00:00
Makefile.nacl [gn] Move build to gypfiles 2016-04-29 10:11:11 +00:00
OWNERS [owners] adding more toplevel owners (but mainly me) 2016-03-16 15:54:42 +00:00
PRESUBMIT.py Remove LOG line checking from presubmit 2016-05-10 17:21:56 +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 Try to reland v8_snapshot GN build changes, take #3 2016-05-20 07:00:09 +00:00
WATCHLISTS [GN] Watchlist upadate to track gyp changes. 2016-05-17 08:14:26 +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.