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187 Commits

Author SHA1 Message Date
keuchel@chromium.org
80048c14b1 Fix load of potentially eval-shadowed let bindings. 
BUG=
TEST=test/mjsunit/harmony/block-let-semantics.js

Review URL: http://codereview.chromium.org/8118032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9541 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-06 15:24:20 +00:00
rossberg@chromium.org
ebf6cb7150 Use correct trap for lookup in prototype proxy. 
R=kmillikin@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/8133023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9535 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-06 08:42:10 +00:00
rossberg@chromium.org
3df2602037 Handle function proxies as getters/setters. 
R=kmillikin@chromium.org
BUG=v8:1543
TEST=

Review URL: http://codereview.chromium.org/7849021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9407 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-22 17:12:41 +00:00
rossberg@chromium.org
d938560d59 Implement identity hashes for proxies. 
R=mstarzinger@chromium.org
BUG=v8:1543,v8:1565
TEST=

Review URL: http://codereview.chromium.org/7754015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9396 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-22 13:54:53 +00:00
rossberg@chromium.org
e04d0b23a8 Make integer indexed properties ("elements") work for proxies. 
Rehome some Object/JSReceiver/JSObject methods.

R=ricow@chromium.org,kmillikin@chromium.org
BUG=v8:1543
TEST=

Review URL: http://codereview.chromium.org/7795055

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9381 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-22 10:45:37 +00:00
rossberg@chromium.org
6c8472bd3a Fix and test use of property descriptor objects. 
R=kmillikin@chromium.org
BUG=v8:1543
TEST=

Review URL: http://codereview.chromium.org/7828080

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9364 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-21 12:45:51 +00:00
keuchel@chromium.org
41eb990afe Fix pre-parsing function declarations. 
The preparser has been out of sync with the parser. As a reminder, we have the
following grammer for harmony mode

 Block ::
   { SourceElement* }
 SourceElement ::
   Statement
   FunctionDeclaration
   LetDeclaration

instead of

 Block ::
   { Statement* }
 SourceElement ::
   Statement
   FunctionDeclaration

The extension to allow FunctionDeclarations in statement positions in
non-strict code is still active.

Review URL: http://codereview.chromium.org/7983006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9363 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-21 12:27:07 +00:00
rossberg@chromium.org
42f0a73a96 Make proxies work as prototypes. 
Fix a couple of other proxy bugs along the way.
Refactor trap invocation in native code.

R=kmillikin@chromium.org
BUG=v8:1543
TEST=

Review URL: http://codereview.chromium.org/7799026

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9312 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-16 13:38:30 +00:00
rossberg@chromium.org
07469fa5ae Make function proxies work as constructors. 
R=kmillikin@chromium.org
BUG=v8:1543
TEST=

Review URL: http://codereview.chromium.org/7628021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9310 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-16 12:26:29 +00:00
rossberg@chromium.org
ff5c242a47 Test (and fix) all exception paths that can occur with proxies. 
R=kmillikin@chromium.org
BUG=v8:1543
TEST=

Review URL: http://codereview.chromium.org/7623013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9261 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-13 13:07:20 +00:00
rossberg@chromium.org
e645597aa7 Implement function proxies (except for their use as constructors). 
Introduce new %Apply native.

Extend Execution::Call to optionally handle receiver rewriting (needed for %Apply).

Fix Function.prototype.bind for functions that have .apply modified.

R=kmillikin@chromium.org
BUG=v8:1543
TEST=

Review URL: http://codereview.chromium.org/7623011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9258 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-13 11:42:57 +00:00
mstarzinger@chromium.org
aae949ba10 Fix parent of the WeakMap prototype. 
R=rossberg@chromium.org
BUG=v8:1565
TEST=mjsunit/harmony/weakmaps

Review URL: http://codereview.chromium.org/7890003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9254 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-13 09:45:10 +00:00
keuchel@chromium.org
85a5b6d3c4 Getting rid of ExitContextStatement for scoped blocks. 
Review URL: http://codereview.chromium.org/7835027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9158 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-06 22:00:59 +00:00
keuchel@chromium.org
edd893a159 Simplfy handling of exits from scoped blocks. 
BUG=
TEST=mjsunit/harmony/block-leave.js

Review URL: http://codereview.chromium.org/7792100

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9157 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-06 21:48:32 +00:00
keuchel@chromium.org
0820205316 Avoid dynamic lookup when initializing let declared variables. 
'Let's inside a 'with' would initialize the variable
using the StoreContextSlot runtime function which
would fail because it checks that the variable does
not hold the hole value.

Review URL: http://codereview.chromium.org/7792098

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9156 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-06 21:22:35 +00:00
keuchel@chromium.org
ccd2cd8f64 Prune empty block scopes from scope tree 
BUG=
TEST=

Review URL: http://codereview.chromium.org/7825006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9117 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-02 12:43:28 +00:00
keuchel@chromium.org
d434d3158c Detect conflicting variable bindings in harmony mode. 
BUG=
TEST=mjsunit/harmony/block-conflicts.js

Review URL: http://codereview.chromium.org/7756014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9102 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-01 12:31:18 +00:00
keuchel@chromium.org
42388ad5c7 Temporal dead zone behaviour for let bindings. 
BUG=
TEST=mjsunit/harmony/block-let-semantics.js

Review URL: http://codereview.chromium.org/7671042

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9070 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-30 11:23:57 +00:00
mstarzinger@chromium.org
c6e42e1bfa Fix initial prototype of WeakMap function. 
The bootstrapper accidentally overwrote the constructor property of the Object
prototype because it used initial_object_prototype() as prototype for WeakMap.
Unfortunately this is not possible for experimental natives because they are
installed after the snapshot initialization finished.

R=erik.corry@gmail.com
TEST=mjsunit/mirror-object,mjsunit/harmony/weakmaps

Review URL: http://codereview.chromium.org/7624041

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9067 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-30 09:35:20 +00:00
keuchel@chromium.org
c6c504f8b6 Parse harmony let declarations. 
Implementation of the harmony block scoped let bindings as proposed here:
http://wiki.ecmascript.org/doku.php?id=harmony:block_scoped_bindings

Changes to the syntax are explained there. They are active under the
harmony_block_scoping_ flag in the parser.

Review URL: http://codereview.chromium.org/7616009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8944 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-16 14:24:12 +00:00
mstarzinger@chromium.org
d640d8d913 Fix issue with prototype of WeakMap constructor. 
The WeakMap constructor didn't have a unique prototype, so it shared one with
Object. All WeakMap functions (including "get" and "set") were installed on
that prototype.

R=rossberg@chromium.org
BUG=v8:1617
TEST=mjsunit/harmony/weakmaps

Review URL: http://codereview.chromium.org/7658008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8941 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-16 12:09:47 +00:00
keuchel@chromium.org
3c7ca304fe Preliminary code for block scopes and block contexts. 
BUG=
TEST=

Review URL: http://codereview.chromium.org/7549008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8911 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-11 16:29:28 +00:00
rossberg@chromium.org
bd18514972 Implement Harmony semantics for typeof null (behind a flag). 
Harmony is intended to make typeof null === "null". This may
break existing programs. Implementing it will allow us to run
some tests on the actual web.

R=kmillikin@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/7598030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8876 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-10 12:12:06 +00:00
mstarzinger@chromium.org
9b826964f2 Additional functions to Harmony weak maps API. 
R=rossberg@chromium.org
BUG=v8:1565
TEST=mjsunit/harmony/weakmaps

Review URL: http://codereview.chromium.org/7572013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8825 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-04 11:13:15 +00:00
mstarzinger@chromium.org
b05ff5e0b9 Prototype of mark-and-compact support for Harmony weak maps. 
R=vegorov@chromium.org
BUG=v8:1565
TEST=cctest/test-weakmaps

Review URL: http://codereview.chromium.org/7553012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8817 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-03 12:48:30 +00:00
mstarzinger@chromium.org
2bb7c74f80 Preliminary Harmony weak maps API implementation. 
R=rossberg@chromium.org,danno@chromium.org
BUG=v8:1565
TEST=mjsunit/harmony/weakmaps

Review URL: http://codereview.chromium.org/7529007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8811 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-03 11:55:13 +00:00
rossberg@chromium.org
3f5bc11c55 Implement Object.prototype.{hasOwnProperty, propertyIsEnumerable} for proxies. 
Refactor trap invocation.
Test other Object.prototype functionality for proxies.

R=ager@chromium.org
BUG=v8:1543
TEST=

Review URL: http://codereview.chromium.org/7436004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8707 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-21 11:20:27 +00:00
rossberg@chromium.org
f7ff89ea02 Implement `in' for proxies. 
R=ager@chromium.org
BUG=v8:1543
TEST=

Review URL: http://codereview.chromium.org/7390028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8681 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-19 09:38:59 +00:00
rossberg@chromium.org
5e62e325ac Implement sealing, freezing, and related functions for proxies. 
R=ager@chromium.org
BUG=v8:1543
TEST=

Review URL: http://codereview.chromium.org/7391001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8673 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-18 13:04:52 +00:00
rossberg@chromium.org
75a2c49c1d Implement delete trap for proxies. 
R=ager@chromium.org
BUG=1543
TEST=

Review URL: http://codereview.chromium.org/7369001

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8660 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-15 09:10:20 +00:00
rossberg@chromium.org
ddb782dcb8 Implement Object.getOwnPropertyDescriptor for proxies. 
Fix bug in compilation of calls with proxy receivers.

R=kmillikin@chromium.org,ager@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/7237050

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8630 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-13 11:57:15 +00:00
rossberg@chromium.org
6e2da733da Implement Object.keys for proxies. 
R=kmillikin@chromium.org,ager@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/7321004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8626 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-13 11:01:17 +00:00
rossberg@chromium.org
58b913f9f0 Implement Object.defineProperty for proxies. 
R=kmillikin@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/7314003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8564 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-07 12:41:20 +00:00
ager@chromium.org
22b5dfd395 Reapply: "Make instanceof and Object.getPrototypeOf work for proxies, 
plus a few other tweaks."

The problem with the original patch was that it did not take hidden
prototype objects into account in Runtime_GetPrototype.

R=kmillikin@chromium.org,rossberg@chromium.org
TEST=es5conform

Review URL: http://codereview.chromium.org/7056041

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8164 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-06-03 10:15:49 +00:00
ager@chromium.org
ece7700d7c Revert "Make instanceof and Object.getPrototypeOf work for proxies, plus a few other tweaks." 
This change caused errors in es5conform tests for getPrototypeOf.

TBR=rossberg@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/7109004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8159 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-06-02 10:12:00 +00:00
rossberg@chromium.org
2255860992 Make instanceof and Object.getPrototypeOf work for proxies, plus a few other tweaks. 
R=kmillikin@chromium.org

Review URL: http://codereview.chromium.org/7080053

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8150 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-06-01 17:44:08 +00:00
rossberg@chromium.org
670f947a5c Implement set trap for proxies, and revamp class hierarchy in preparation: 
- Introduce a class JSReceiver, that is a common superclass of JSObject and
  JSProxy. Use JSReceiver where appropriate (probably lots of places that we
  still have to migrate, but we will find those later with proxy test suite).

- Move appropriate methods to JSReceiver class (SetProperty,
  GetPropertyAttribute, Get/SetPrototype, Lookup, and so on).

- Introduce new JSFunctionProxy subclass of JSProxy. Currently only a stub.

- Overhaul enum InstanceType:
  * Introduce FIRST/LAST_SPEC_OBJECT_TYPE that ranges over all types that
    represent JS objects, and use that consistently to check language types.
  * Rename FIRST/LAST_JS_OBJECT_TYPE and FIRST/LAST_FUNCTION_CLASS_TYPE
    to FIRST/LAST_[NON]CALLABLE_SPEC_OBJECT_TYPE for clarity.
  * Eliminate the overlap over JS_REGEXP_TYPE.
  * Also replace FIRST_JS_OBJECT with FIRST_JS_RECEIVER, but only use it where
    we exclusively talk about the internal representation type.
  * Insert JS_PROXY and JS_FUNCTION_PROXY in the appropriate places.

- Fix all checks concerning classification, especially for functions, to
  use the CALLABLE_SPEC_OBJECT range (that includes funciton proxies).

- Handle proxies in SetProperty (that was the easiest part :) ).

- A few simple test cases.

R=kmillikin@chromium.org

Review URL: http://codereview.chromium.org/6992072

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8126 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-05-31 16:38:40 +00:00