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Author SHA1 Message Date
mstarzinger@chromium.org
b6efbd79de Force context allocation for variables in generator scopes. 
* src/scopes.h (ForceContextAllocation, has_forced_context_allocation):
  New interface to force context allocation for an entire function's
  scope.

* src/scopes.cc: Unless a new scope is a function scope, if its outer
  scope has forced context allocation, it should also force context
  allocation.
  (MustAllocateInContext): Return true if the scope as a whole has
  forced context allocation.
  (CollectStackAndContextLocals): Allow temporaries to be
  context-allocated.

* src/parser.cc (ParseFunctionLiteral): Force context allocation for
  generator scopes.

* src/v8globals.h (VariableMode): Update comment on TEMPORARY.

* src/arm/full-codegen-arm.cc (Generate):
* src/ia32/full-codegen-ia32.cc (Generate):
* src/x64/full-codegen-x64.cc (Generate): Assert that generators have no
  stack slots.

* test/mjsunit/harmony/generators-instantiation.js: New test.

BUG=v8:2355
TEST=mjsunit/harmony/generators-instantiation

Review URL: https://codereview.chromium.org/13408005
Patch from Andy Wingo <wingo@igalia.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14152 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-05 13:19:31 +00:00
mstarzinger@chromium.org
d71678676f Refactor parser mode configuration for correctness 
This patch refactors the parser and preparser interface to be more
readable and type-safe.  It has no behavior changes.

Previously, parsers and preparsers were configured via bitfield called
parser_flags in the Parser constructor, and flags in
PreParser::PreParseProgram, ParserApi::Parse, and ParserApi::PreParse.
This was error-prone in practice: six call sites passed incorrectly
typed values to this interface (a boolean FLAG value, a boolean false
and a boolean true value).  None of these errors were caught by the
compiler because it's just an "int".

The parser flags interface was also awkward because it encoded a
language mode, but the language mode was only used to turn on harmony
scoping or not -- it wasn't used to actually set the parser's language
mode.

Fundamentally these errors came in because of the desire for a
procedural parser interface, in ParserApi.  Because we need to be able
to configure the parser in various ways, the flags argument got added;
but no one understood how to use the flags properly.  Also they were
only used by constructors: callers packed bits, and the constructors
unpacked them into booleans on the parser or preparser.

The solution is to allow parser construction, configuration, and
invocation to be separated.  This patch does that.

It passes the existing tests.

BUG=

Review URL: https://codereview.chromium.org/13450007
Patch from Andy Wingo <wingo@igalia.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14151 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-05 13:01:06 +00:00
yangguo@chromium.org
c02bf4515c Remove push(holder_reg) in CheckAccessGlobalProxy. 
R=jkummerow@chromium.org
BUG=v8:119

Review URL: https://chromiumcodereview.appspot.com/13177002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14150 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-05 12:06:34 +00:00
yangguo@chromium.org
deecbb2e01 Do not implicitly convert non-object receivers for strict mode functions. 
This was still the case for Array.prototype.* builtin functions.

R=rossberg@chromium.org
BUG=v8:2273

Review URL: https://chromiumcodereview.appspot.com/13473009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14149 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-05 11:57:02 +00:00
mstarzinger@chromium.org
48635f7d58 Fix minor typo in generator parsing test. 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/13575010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14148 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-05 08:38:40 +00:00
hpayer@chromium.org
ff85f50e84 Refactoring BuildAllocateElements. 
BUG=

Review URL: https://codereview.chromium.org/13693004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14147 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-05 08:35:40 +00:00
haraken@chromium.org
c638555853 Pass an isolate to GetCurrent() 
TEST=test-api.cc:GetCallingContextCallback

Review URL: https://chromiumcodereview.appspot.com//13426002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14146 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-05 02:17:56 +00:00
plind44@gmail.com
6e56e41205 MIPS: Resolved the rest of soft-float bugs. 
TEST=mjsunit/mul-exhaustive-part9, mjsunit/bit-not, mjsunit/greedy,
mjsunit/math-floor-of-div-nosudiv, mjsunit/math-floor-of-div,
mjsunit/numops-fuzz-part2

BUG=

Review URL: https://codereview.chromium.org/13455006
Patch from Dusan Milosavljevic <Dusan.Milosavljevic@rt-rk.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14145 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-05 02:16:58 +00:00
adamk@chromium.org
759f4b37ce Remove code duplication in JSObject::HasRealElementProperty 
Review URL: https://codereview.chromium.org/13540003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14144 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-04 19:12:59 +00:00
mstarzinger@chromium.org
af25102f41 Compile FastCloneShallowArrayStub using Crankshaft. 
R=danno@chromium.org

Review URL: https://codereview.chromium.org/12521011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14143 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-04 17:55:43 +00:00
palfia@homejinni.com
f995f77cee MIPS: Remove extranous holder load in some prototype-chain checking cases 
Port r14136 (d091bc0e)

BUG=

Review URL: https://codereview.chromium.org/13636002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14142 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-04 15:41:58 +00:00
mstarzinger@chromium.org
9fd5eb52d4 Skip long running regression test from r14078. 
R=yangguo@chromium.org
BUG=chromium:217858
TEST=mjsunit/regress/regress-crbug-217858

Review URL: https://codereview.chromium.org/13640004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14141 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-04 14:46:18 +00:00
mstarzinger@chromium.org
7e0ae6da66 Fix bogus uses of preparser API 
* src/api.cc (ScriptData::PreCompile): Fix bogus use of bogus value for
  preparsing flags by removing those arguments, which were always zero.

* src/parser.h
* src/parser.cc (ParserApi::PreParse): Remove extension and flags
  arguments, both of which were either always 0 or incorrectly used.

* test/cctest/test-parsing.cc (RegressChromium62639, Regress928): Fix
  more bogus uses of preparser api.

BUG=

Review URL: https://codereview.chromium.org/13496008
Patch from Andy Wingo <wingo@igalia.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14140 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-04 14:34:19 +00:00
mstarzinger@chromium.org
9e757a604c Make __proto__ a real JavaScript accessor property. 
This turns the __proto__ callback from a foreign callback into a real
JavaScript accessor. It makes the accessor behavior of this property
explicit.

R=rossberg@chromium.org
BUG=v8:1949,v8:2606
TEST=mjsunit/regress/regress-2606

Review URL: https://codereview.chromium.org/13533004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14139 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-04 12:10:23 +00:00
danno@chromium.org
cb650a51de Remove extranous holder load in some prototype-chain checking cases 
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/13620003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14136 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-04 11:38:10 +00:00
mstarzinger@chromium.org
a293d7dd27 Prepare push to trunk. Now working on version 3.17.17. 
R=danno@chromium.org

Review URL: https://codereview.chromium.org/13633002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14135 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-04 11:37:01 +00:00
mstarzinger@chromium.org
489135d632 Switch transition zapping to slower version. 
This is just an experiment to track down high crash rates on some
systems where third-party software corrupts memory regions.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/13630002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14134 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-04 10:52:53 +00:00
dslomov@chromium.org
370caca72c Test behavior of qNaN and sNaN 
BUG=v8:2607

Review URL: https://codereview.chromium.org/13470002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14133 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-04 09:31:24 +00:00
ulan@chromium.org
eee5884f8d Add extra flag for load-ic stubs in code cache. 
This allows to distinguish between stubs compiled for the current object from
stubs compiled for objects that have the current object as a prototype.

BUG=v8:2593
R=verwaest@chromium.org

Review URL: https://chromiumcodereview.appspot.com/13552003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14132 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-04 08:29:25 +00:00
palfia@homejinni.com
ee5b15dbf2 MIPS: Ensure UseRegisterAtStart not used with fixed temp/return register 
Port r14124 (f116e8b9)

BUG=

Review URL: https://codereview.chromium.org/13557002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14131 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-03 17:26:59 +00:00
palfia@homejinni.com
91e10c301e MIPS: Fix ARM build 
Port r14123 (ded70e2a)

BUG=

Review URL: https://codereview.chromium.org/13551004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14130 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-03 17:25:24 +00:00
palfia@homejinni.com
05df88b31d MIPS: Fix hydrogen tracing on x64 and ARM 
Port r14122 (43525afd)

BUG=

Review URL: https://codereview.chromium.org/13556003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14129 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-03 17:23:52 +00:00
rossberg@chromium.org
b449691db2 ES6 symbols: fix corner cases of equality operators 
R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/13552002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14128 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-03 17:06:22 +00:00
dslomov@chromium.org
a172a5e839 Remove (H|L)JSArrayLength instructions 
BUG=

Review URL: https://codereview.chromium.org/12491023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14127 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-03 16:25:24 +00:00
mstarzinger@chromium.org
e559b72e40 Fix error message when reporting unexpected yield. 
R=rossberg@chromium.org
BUG=v8:2355
TEST=webkit:fast/js/reserved-words-as-property.html

Review URL: https://codereview.chromium.org/13546004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14126 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-03 16:14:56 +00:00
adamk@chromium.org
c5427d5eea Codify the assumption that %GetArrayKeys can return only a single interval starting at zero 
This patch adds comments explaining the interface in runtime.cc and simplifies
all callers given these assumptions (e.g., no need to loop over intervals, or
calculate where the interval starts).

Took care of some unrelated issues in the edited code:
- Fixes one use of [] to InternalArray
- Removed a bunch of comments referring to ES3 which no longer hold in ES5

Review URL: https://codereview.chromium.org/13071006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14125 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-03 15:52:42 +00:00
danno@chromium.org
98281c62f0 Ensure UseRegisterAtStart not used with fixed temp/return register 
R=vegorov@chromium.org
BUG=chromium:201590

Review URL: https://codereview.chromium.org/13527007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14124 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-03 14:45:39 +00:00
danno@chromium.org
3b0861f022 Fix ARM build 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/13529003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14123 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-03 12:00:23 +00:00
danno@chromium.org
087a853609 Fix hydrogen tracing on x64 and ARM 
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/13461020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14122 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-03 11:44:03 +00:00
hpayer@chromium.org
2545774232 Move DeepCopy of JSObject from runtime to object. 
BUG=

Review URL: https://codereview.chromium.org/13527005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14121 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-03 11:42:03 +00:00
palfia@homejinni.com
01ccd0f602 MIPS: Deoptimizer support for hydrogen stubs that accept a variable number of arguments. 
Port r14111 (29157ad7)

BUG=

Review URL: https://codereview.chromium.org/13461013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14120 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 20:30:23 +00:00
rodolph.perfetta@gmail.com
db9cc639d5 Fix bugs in softfloat code path. 
BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/13008018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14119 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 18:25:09 +00:00
mstarzinger@chromium.org
502063c4a7 Fix another set of build failures on Windows since r14116. 
TBR=yangguo@chromium.org

Review URL: https://codereview.chromium.org/13465010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14118 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 18:09:40 +00:00
mstarzinger@chromium.org
0c823b8957 Fix build failure on Windows since r14116. 
TBR=yangguo@chromium.org

Review URL: https://codereview.chromium.org/13464010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14117 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 18:00:50 +00:00
mstarzinger@chromium.org
2816f19680 Add parser support for generators. 
This patchset begins by adding support for "yield", which is unlike other tokens
in JS. In a generator, whether strict or classic, it is a syntactic keyword.
In classic mode it is an identifier. In strict mode it is reserved.

This patch adds YIELD as a token to the scanner, and adapts the preparser and
parser appropriately. It also parses "function*", indicating that a function is
actually a generator, for both eagerly and lazily parsed functions.

Currently "yield" just compiles as "return".

BUG=v8:2355
TEST=mjsunit/harmony/generators-parsing

Review URL: https://codereview.chromium.org/12646003
Patch from Andy Wingo <wingo@igalia.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14116 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 17:34:59 +00:00
dslomov@chromium.org
7e90cfb10d Fix Win64 build 
BUG=

Review URL: https://codereview.chromium.org/13463004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14115 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 15:03:04 +00:00
dslomov@chromium.org
a23868fb44 Fix CopyBytes to accept size_t for num_bytes 
BUG=

Review URL: https://codereview.chromium.org/13470008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14114 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 13:29:26 +00:00
ulan@chromium.org
de17fa5b4c Cleanup: Rename Simulator::watched_stops to match style guide. 
BUG=none

Review URL: https://chromiumcodereview.appspot.com/13469002
Patch from Hans Wennborg <hans@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14113 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 12:36:16 +00:00
ulan@chromium.org
fed279a553 ARM: Log an error if /proc/cpuinfo cannot be opened 
This will make it easier to see if the current CPU feature detection
starts breaking because of process sandboxing.

BUG=v8:2597

Review URL: https://chromiumcodereview.appspot.com/13465003
Patch from Hans Wennborg <hans@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14112 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 12:20:50 +00:00
mvstanton@chromium.org
2502668f50 Deoptimizer support for hydrogen stubs that accept a variable number of arguments. 
BUG=

Review URL: https://codereview.chromium.org/12490013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14111 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 11:28:01 +00:00
yurys@chromium.org
359d4a2869 Isolatify CPU profiler public API 
Relanding r14006 and r14009 that were reverted in r14031

TBR=danno
BUG=None

Review URL: https://codereview.chromium.org/13460002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14108 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 08:16:53 +00:00
yurys@chromium.org
04cb86899c Deprecate HeapSnapshot type 
Re-landing r14005 that was reverted in r14031

TBR=danno
BUG=None

Review URL: https://codereview.chromium.org/13430003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14107 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 08:09:59 +00:00
yurys@chromium.org
047f6f97d9 Isolatify HeapProfiler 
Re-landing r13997 that was reverted in r14031

TBR=danno
BUG=None

Review URL: https://codereview.chromium.org/13458003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14106 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 08:03:01 +00:00
yurys@chromium.org
9cbb34a0b5 Isolatify CPU profiler 
Relanding r13987 that was reverted in r14031

TBR=danno
BUG=None

Review URL: https://codereview.chromium.org/13457002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14105 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 07:53:50 +00:00
yurys@chromium.org
c7532f0f0b Allow recording individual samples in addition to the aggregated CPU profiles 
Re-landing r13980 that was reverted in r14031

TBR=danno
BUG=None

Review URL: https://codereview.chromium.org/13454002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14104 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-02 07:48:25 +00:00
plind44@gmail.com
d15321f2f8 MIPS: Fixed some soft-float bugs. 
TEST=cctest/test-api/ExternalUnsignedIntArray

BUG=

Review URL: https://codereview.chromium.org/13165007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14101 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-01 16:06:52 +00:00
plind44@gmail.com
e53986d203 MIPS: Make the mips port build cleanly with clang. 
Port r13583 (b39b116b) and also fix a couple mips-specific warnings.

BUG=

Review URL: https://codereview.chromium.org/13321002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14100 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-30 15:54:12 +00:00
palfia@homejinni.com
797dd3053e MIPS: Fix register usage in softfloat code path. 
BUG=none
TEST=mjsunit/math-floor-part2.js

Review URL: https://codereview.chromium.org/12413032
Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14099 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-28 21:17:02 +00:00
yangguo@chromium.org
443f85eed9 Add test to check that Function.caller must not expose native functions. 
R=svenpanne@chromium.org
BUG=v8:105

Review URL: https://chromiumcodereview.appspot.com/13166002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14096 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-28 14:31:48 +00:00
yangguo@chromium.org
a3f0f942a3 Always allocate symbols in old space. 
Keys are expected to be tenured. This now not only includes internalized
strings, but also symbols.

R=rossberg@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/13158002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14095 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-28 13:52:31 +00:00