platform/upstream/qtdeclarative.git
11 years agoFix temp compression, and actually add var decl instructions.
Erik Verbruggen [Tue, 18 Dec 2012 11:09:06 +0000 (12:09 +0100)]
Fix temp compression, and actually add var decl instructions.

Change-Id: Ic73a8e4284fd7644e37251498a659e107e49f0d8
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix liveness analyses for hidden exception handling TEMPs.
Erik Verbruggen [Tue, 18 Dec 2012 10:01:32 +0000 (11:01 +0100)]
Fix liveness analyses for hidden exception handling TEMPs.

By passing the inCatch/hasException temps to
builtin_delete_exception_handler, the TEMPs are marked as alive all
through the exception handling block.

Change-Id: Ib0f17059e04c03ca98d264759bb2a7e4786ed9be
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoFix instruction tracing.
Erik Verbruggen [Tue, 18 Dec 2012 09:59:54 +0000 (10:59 +0100)]
Fix instruction tracing.

Change-Id: Ie2ff005e2914bc372e4c6d08dd28d34efdde8da3
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoFix moth isel for typeof.
Erik Verbruggen [Tue, 18 Dec 2012 09:59:26 +0000 (10:59 +0100)]
Fix moth isel for typeof.

Change-Id: If5b5a91a69d6b6bf0fd3eaf4c21a42c575839be2
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoRemove unused variable
Simon Hausmann [Tue, 18 Dec 2012 07:08:31 +0000 (08:08 +0100)]
Remove unused variable

While the name may suggest that the blah variable is a very performance
critical piece of the stack traversal algorithm, it turns out to be of little
relevance :)

Change-Id: Ia12eaf5f169a6eae64f005364da7452e1ef86daf
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoMore compilation fixes.
Erik Verbruggen [Tue, 18 Dec 2012 08:06:03 +0000 (09:06 +0100)]
More compilation fixes.

Change-Id: I5940e0b1e72c06420ae95ff3adfd78572888c886
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoAdded check for formal parameter names in strict mode.
Erik Verbruggen [Wed, 12 Dec 2012 12:54:31 +0000 (13:54 +0100)]
Added check for formal parameter names in strict mode.

Also fixed up other error messages.

Change-Id: I26bfab761ab6a8ced3755a8e3dfbc42d428194e3
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix compilation after changes in the QML parser.
Erik Verbruggen [Wed, 12 Dec 2012 12:50:13 +0000 (13:50 +0100)]
Fix compilation after changes in the QML parser.

Change-Id: I5c6903446a252139fde4ce180f6c01a5eff85406
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoAllow to run tests in parallel.
Jędrzej Nowacki [Wed, 12 Dec 2012 15:29:14 +0000 (16:29 +0100)]
Allow to run tests in parallel.

The test_interpreter script waste a lot of time in the kernel
process, that should be fixed. For know magic '-j' option allows
to speedup test execution a bit.

Change-Id: Ib1f0cbecc2053e434eb8df4e2e1edb22bc3e7846
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
11 years agoensure correct initialization order for local variables
Lars Knoll [Mon, 17 Dec 2012 20:56:19 +0000 (21:56 +0100)]
ensure correct initialization order for local variables

section 10.5 requires that function definitions get initialized
at the beginning of the method. variable declarations do not
override the function definitions. assignments to variables
happen when they appear in the source code.

Also remove a duplicated intializations of variables to
undefined. This is already being done by initCallContext
or builtin_declare_vars, so no need to do it in the generated
code again.

Change-Id: I63805b97017f8676d57e0662073689e852b6ac23
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFor the JIT enable the memory manager that traverses the native stack for references...
Simon Hausmann [Mon, 17 Dec 2012 21:48:24 +0000 (22:48 +0100)]
For the JIT enable the memory manager that traverses the native stack for references to managed objects

Change-Id: Ie4a26ddc75abd1382af29b966915437ad485a041
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoFix native stack traversal
Simon Hausmann [Mon, 17 Dec 2012 21:43:22 +0000 (22:43 +0100)]
Fix native stack traversal

* For the traversal range, don't take the top of the stack but one
value pointer below, as the top is actually the end of the stack
and we can't read beyond it. For the bottom go one pointer beyond
a locally declared (and thus aligned) value. This ensure sane and
aligned boundaries for the traversal.

* For quick elimination of pointer values on the stack that do
not actually point into one of our managed objects, implement Lars'
idea: Take the heap chunk beginning and end pointers and do a lower
bound search. An even index indicates that the pointer is before the
start of a chunk, thus out of range. An odd index indicates that it
is before a chunk end and therefore in range.

* For obscure reasons we also seem to sometimes hit "dangling" pointers
into otherwise already dealloc'ed objects (as debug output in dealloc()
indicates), so protect ourselves against that.

Change-Id: Ic3337932777871bec370a3441581801273d53bd4
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoFix a bug in catch{}finally{} and simplify code
Lars Knoll [Mon, 17 Dec 2012 14:18:38 +0000 (15:18 +0100)]
Fix a bug in catch{}finally{} and simplify code

There was a bug in the implementation of unwindException(),
that caused failures when called twice from one catch statement.

Also refactor and simplify the TryStatement code further by
introducing a rethrow builtin.

Change-Id: I77bf37f1707042f402488ef2dfaf4e59bf8dc82a
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoResolve argument names from right to left
Lars Knoll [Mon, 17 Dec 2012 12:34:39 +0000 (13:34 +0100)]
Resolve argument names from right to left

Duplicated names for arguments are allowed in JS, later ones
shadow previous ones. So we need to iterate from back to front
to resolve the names correctly.

Change-Id: If427ce9d11ac561457c24e41f79c11263fa0a8dc
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoAvoid lookup of locals and formals when possible
Lars Knoll [Mon, 17 Dec 2012 09:29:48 +0000 (10:29 +0100)]
Avoid lookup of locals and formals when possible

If we do not have a Function or the function doesn't
need activation, we directly generate code to get and
set formals and locals, so there's no need to look
these up from the execution context.

Change-Id: I888fc65fd2527f9102fab7cae2822600f87f9edc
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoAllow the compiler to inline
Lars Knoll [Mon, 17 Dec 2012 09:03:37 +0000 (10:03 +0100)]
Allow the compiler to inline

use String::isEqualTo instead of qmljs_string_equal to
allow for inlining.

Change-Id: I55d41ab34f1e04cb0f752d8018e3ce9b11a90d1d
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoSmaller cleanups and code simplifications
Lars Knoll [Mon, 17 Dec 2012 08:52:04 +0000 (09:52 +0100)]
Smaller cleanups and code simplifications

Change-Id: I1634ce8b105ee0d22b67fafa45962fe7c22b9f3a
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoCleanup constructor handling
Lars Knoll [Sun, 16 Dec 2012 22:08:07 +0000 (23:08 +0100)]
Cleanup constructor handling

Simplify the code and unify the generic part of object construction
in FunctionObject::construct.

Change-Id: Ie430458bedaa211efba37c8283e26a9b84e6764a
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
11 years agoFix return value corruption in masm codegeneration
Lars Knoll [Sun, 16 Dec 2012 22:00:01 +0000 (23:00 +0100)]
Fix return value corruption in masm codegeneration

In some cases, the first argument for runtime calls and the
return value where being placed in the same location on the
stack leading to corrupted return values. This mainly
happens when no local variable are defined, but other
functions are being called.

Change-Id: I93f1e518ce2998f62fb9f38c538dd718f41e522d
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
11 years agoFix delete operator on local variable and arguments
Lars Knoll [Fri, 14 Dec 2012 15:40:48 +0000 (16:40 +0100)]
Fix delete operator on local variable and arguments

throw in strict mode, and ignore delete operations on
arguments otherwise.

Change-Id: Icd55f1c99dc5e5c35b3fea1ce5fdf46d5295dbaf
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix a bug in the construct method of Function objects
Lars Knoll [Fri, 14 Dec 2012 13:23:55 +0000 (14:23 +0100)]
Fix a bug in the construct method of Function objects

Function objects when called as a contructor should return
the return value of the called function if the return value
is an object (see 13.2.2)

Change-Id: I9d9e52859935d62b7f949fff46cb00d257bad90f
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix a bug in the Object contructor
Lars Knoll [Fri, 14 Dec 2012 13:23:21 +0000 (14:23 +0100)]
Fix a bug in the Object contructor

new Object(x) should convert x to an object and return
it if x is not null or undefined

Change-Id: Icb5547a23df83018757901bfecb5f024610e7c68
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoMicro optimization of StringPool
Jędrzej Nowacki [Thu, 13 Dec 2012 14:11:21 +0000 (15:11 +0100)]
Micro optimization of StringPool

In destructor we do not need to create a copy off all pointers.

By hiding StringPool::strings in class private
section we reduce risk of it being accidentally copied.

Change-Id: I1b9df6bf9e49bd6926e84b8eac6b3d904277e50a
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoRemove ExecutionEngine::identifiers.
Jędrzej Nowacki [Thu, 13 Dec 2012 15:12:53 +0000 (16:12 +0100)]
Remove ExecutionEngine::identifiers.

The member was a duplicate of stringPool, there is no point in caching
a cache.

Change-Id: If34c80ee120dfaff1dd94326625b02d8014806dc
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoSmall cleanups for ArgumentsObject
Lars Knoll [Fri, 14 Dec 2012 12:53:22 +0000 (13:53 +0100)]
Small cleanups for ArgumentsObject

Change-Id: Ib9a2f3ab23dd76f52bb4c41edf539f4fa0cd8929
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFixes for arguments object in non strict mode
Lars Knoll [Fri, 14 Dec 2012 12:27:26 +0000 (13:27 +0100)]
Fixes for arguments object in non strict mode

In non strict mode, the arguments object actually
reflects the argument as it changes over the lifetime
of a function, unless you explicitly delete some of it's
properties.

The code to implement this is pretty ugly, but still better
then the specification :)

Change-Id: Ie42ed25c797513615fbc4bdee14145d953f323f3
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFixes for the arguments object
Lars Knoll [Fri, 14 Dec 2012 10:32:52 +0000 (11:32 +0100)]
Fixes for the arguments object

We now pass most of the test cases for it.

Change-Id: Idc43a9baa75c3c1e8fe760d78cf5e6092f051c6e
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoCleanup getPropertyDescriptor and arguments object
Lars Knoll [Fri, 14 Dec 2012 09:25:27 +0000 (10:25 +0100)]
Cleanup getPropertyDescriptor and arguments object

The only place where getProepertyDescriptor was still being
used outside of Object itself was the arguments object. Fixed
that by reimplementing get, hasProperty, put and canPut in
the arguments object.

Change-Id: Ie44c7acf857321c65bc0f58915de0353231459c0
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix failing assertions in GC on ia32
Simon Hausmann [Fri, 14 Dec 2012 08:46:25 +0000 (09:46 +0100)]
Fix failing assertions in GC on ia32

We currently round up allocation sizes to 16-bytes on 32 and 64-bit.
When recursively calling alloc() after the allocation of a new heap chunk,
make sure to adjust the requested size parameter again to its original value,
to ensure 16 byte alignment.

Change-Id: Ie8cd29d60639bf43023a310b7be6f772305fa826
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoFix execution with MM_AGGRESSIVE_GC=1
Simon Hausmann [Fri, 14 Dec 2012 08:55:10 +0000 (09:55 +0100)]
Fix execution with MM_AGGRESSIVE_GC=1

Make sure that the current context pointer is initialized to the
root context, so that early GC runs before the first function call
find an initialized pointer in MemoryManager::collectRoots.

Change-Id: I224695b253e27674913310b76d12d42bff5c1b82
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoSimplify/speed up retrieving of properties
Lars Knoll [Fri, 14 Dec 2012 08:57:02 +0000 (09:57 +0100)]
Simplify/speed up retrieving of properties

The hasProperty()/get() sequence used so far is as in the
spec, but requires us to lookup the name twice. Instead add
a bool hasProperty() to Object::__get__() and use that.

Speeds up fact.2.js by ~20%

Change-Id: Ic8c84718f1a702c3da9487010c0d6dd0fee44609
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix quadratic behavior in the memory manager
Lars Knoll [Thu, 13 Dec 2012 22:46:51 +0000 (23:46 +0100)]
Fix quadratic behavior in the memory manager

The old freeList implementation was causing quadratic
behavior in alloc(), as the free item ended up in the
highest chunk.

The new implementation uses a fixed size array for small objects
(up to 256 bytes), a QMap for large chunks, and a defaultFree
object pointing to the heap that has never been used before.

Gives around 25% performance boost on crypto.js, and bsaically
makes the memory manager invisible in kcachegrind.

Change-Id: I559fb527bcd9e21d4ac265f4d78b8376bfda2522
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix invalid reads in valgrind during unused basic block collections
Simon Hausmann [Thu, 13 Dec 2012 14:52:07 +0000 (15:52 +0100)]
Fix invalid reads in valgrind during unused basic block collections

When clearing cross-references to unused basic blocks blocks, don't
delete the block right afterwards because another block might also
still reference it. Instead keep track of the ones to be deleted
and delete them afterwards in one shot.

Also replaces the existance check for the blocks from a linear
vector search to a hash set lookup which we already have around.

Change-Id: I3bd72359259065ba26bf2116bf849575e4601f32
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoinline some code in toInt32 and toUInt32
Lars Knoll [Thu, 13 Dec 2012 13:48:20 +0000 (14:48 +0100)]
inline some code in toInt32 and toUInt32

Speeds up crypto.js by ~5%

Change-Id: I707bd6e7dc0f13b70889955e1b90f0c436db1848
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoAvoid creating the activation object in most cases
Lars Knoll [Thu, 13 Dec 2012 12:46:49 +0000 (13:46 +0100)]
Avoid creating the activation object in most cases

it's now only being used for the global context, and
in case a non strict eval defines an additional variable
in any other context.

Change-Id: Ib6531bfce8d19634af79cc813d38c41f5348f961
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoRename Unset/Set to the more readable Enabled/Disabled for the property tristate
Simon Hausmann [Thu, 13 Dec 2012 12:12:10 +0000 (13:12 +0100)]
Rename Unset/Set to the more readable Enabled/Disabled for the property tristate

Change-Id: I67f5a509be64b20a5fa0205779f2a67dc1ba6536
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoPrevent accidental allocation of GC managed objects on the regular heap
Simon Hausmann [Thu, 13 Dec 2012 11:58:21 +0000 (12:58 +0100)]
Prevent accidental allocation of GC managed objects on the regular heap

Make the regular new operator private. As it turns out no other changes
were required, all the existing objects are already allocated on the
GC heap, thanks to the new* factor functions in ExecutionEngine.

Change-Id: I9b69221b5bbc4491ca909ec6bb5afe0f3c010b54
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoUse a smart pointer for ExecutionEngine::stringPool
Jędrzej Nowacki [Thu, 13 Dec 2012 09:46:31 +0000 (10:46 +0100)]
Use a smart pointer for ExecutionEngine::stringPool

Change-Id: I5434fbd146e9d8dcc0000327c5a5b953bc744b83
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoUse a smart pointer for Object::members.
Jędrzej Nowacki [Thu, 13 Dec 2012 09:19:14 +0000 (10:19 +0100)]
Use a smart pointer for Object::members.

Change-Id: I070c00281a5b92de82568d4d4e0bb35700233a21
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoRemove unused property (Object::klass)
Jędrzej Nowacki [Thu, 13 Dec 2012 09:14:22 +0000 (10:14 +0100)]
Remove unused property (Object::klass)

Change-Id: I623ceeceb810719f44ed832f0cc37a1d74430db3
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoDon't reset the function pointer in leaveCallContext()
Lars Knoll [Thu, 13 Dec 2012 11:11:47 +0000 (12:11 +0100)]
Don't reset the function pointer in leaveCallContext()

We need the function pointer to be able to map variable names
correctly. Fixes the remaining problems with nested functions
and closures.

Change-Id: I976be2df57b93edb3b762afc33790c4483430b05
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoCorrectly set up nested functions
Lars Knoll [Thu, 13 Dec 2012 11:09:04 +0000 (12:09 +0100)]
Correctly set up nested functions

Make sure we have the correct set of nested functions in
both IR::Function and VM::Function. This is required so
that closures can work correctly.

Change-Id: I42493d5ee503090653b71650c8d19e06c4bcfdda
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix ObjectCtor::call
Lars Knoll [Wed, 12 Dec 2012 21:10:50 +0000 (22:10 +0100)]
Fix ObjectCtor::call

Change-Id: Ifa74ba46ed5213661d009fcd748d66f2b5670814
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix NumberCtor::construct
Lars Knoll [Wed, 12 Dec 2012 21:05:42 +0000 (22:05 +0100)]
Fix NumberCtor::construct

Change-Id: I4714a447d2a4fc71e73c7492fc8ed939efc0192f
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix StringCtr::call
Lars Knoll [Wed, 12 Dec 2012 20:39:26 +0000 (21:39 +0100)]
Fix StringCtr::call

Check for the number of arguments, not whether the first arg
is undefined.

Change-Id: I23829404dfd4547f829b1bc7a4407017d79f7162
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix the bit shift and complement operators
Lars Knoll [Wed, 12 Dec 2012 20:33:17 +0000 (21:33 +0100)]
Fix the bit shift and complement operators

Take care of some corner cases and make them pass the
test suite.

Change-Id: Ic83508859800c62681ee873968b475ef81fffb82
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix string to number conversion
Lars Knoll [Thu, 13 Dec 2012 00:53:13 +0000 (01:53 +0100)]
Fix string to number conversion

Change-Id: Ib261bc61a5fd6ed99292a5021b173330b2fd96e7
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix the Number constructor.
Lars Knoll [Thu, 13 Dec 2012 00:44:20 +0000 (01:44 +0100)]
Fix the Number constructor.

new Number() is supposed to return a number object
initialized with 0.

Change-Id: I1c88abee81da0d84485e2d606bf72a8c9283ed61
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix delete expression.
Lars Knoll [Thu, 13 Dec 2012 00:39:36 +0000 (01:39 +0100)]
Fix delete expression.

Change-Id: Ifc0918272c615889aee4ae63435071a72aad7119
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix return values for Object.protoype.seal/freeze/preventExtensions
Lars Knoll [Thu, 13 Dec 2012 00:29:10 +0000 (01:29 +0100)]
Fix return values for Object.protoype.seal/freeze/preventExtensions

Change-Id: Icc9844cfac5d8afae09ca10eeed024e65385801f
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix a possible crash when setting a property on a primitive type
Lars Knoll [Thu, 13 Dec 2012 00:28:46 +0000 (01:28 +0100)]
Fix a possible crash when setting a property on a primitive type

Change-Id: Icb8d97536b87779cdc3e543260755509232e10cb
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix Object.prototype.isPrototypeOf()
Lars Knoll [Thu, 13 Dec 2012 00:15:44 +0000 (01:15 +0100)]
Fix Object.prototype.isPrototypeOf()

Implement the method according to spec (15.2.4.6)

Change-Id: I84b943366dcb1048966d4ae2f60bcbf01c99e7ea
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix access rights for builtin properties
Lars Knoll [Wed, 12 Dec 2012 23:53:04 +0000 (00:53 +0100)]
Fix access rights for builtin properties

According to the spec all builtin properties have
writable: true, enumerable: false and configurable:true
by default. This is what is now being used. Some constants
have all attributes set to false, and there is an extra
method for setting these readonly properties.

Change-Id: If5ba875bcc9f1644aa8a07a2d9b37716bf228e12
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix isNaN and isFinite
Lars Knoll [Wed, 12 Dec 2012 22:43:53 +0000 (23:43 +0100)]
Fix isNaN and isFinite

We need to convert objects to numbers before doing the
check.

Change-Id: Ie25128b6145845a3eb3e0098f5c5fc09f2be6830
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix increment and decrement operators
Lars Knoll [Wed, 12 Dec 2012 21:46:57 +0000 (22:46 +0100)]
Fix increment and decrement operators

These operators have semantics that are different from
(foo + 1), as they always convert the LHS to a number first.

Change-Id: I3fb4a1a328e3dfcb334875435c3cec90d01b67dd
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
11 years agoValue properties of the Number constructor are readonly
Lars Knoll [Wed, 12 Dec 2012 19:48:11 +0000 (20:48 +0100)]
Value properties of the Number constructor are readonly

See 15.7.3.2 - 15.7.3.6

Change-Id: I39cace57456ecce9532ba6547b3dab5735fd874d
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
11 years agoFix assertion
Lars Knoll [Wed, 12 Dec 2012 21:57:06 +0000 (22:57 +0100)]
Fix assertion

Change-Id: I2c79d7c8c5f8624a5cfd5cb1c5af1488ccd5aada
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix masm compilation.
Erik Verbruggen [Wed, 12 Dec 2012 12:23:02 +0000 (13:23 +0100)]
Fix masm compilation.

Change-Id: I74f08976c046f7e8a6c16c786e6d32720ad88485
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoCleanup: Added a storeValue() overload that operates on an IR::Temp*
Simon Hausmann [Tue, 11 Dec 2012 13:43:50 +0000 (14:43 +0100)]
Cleanup: Added a storeValue() overload that operates on an IR::Temp*

Change-Id: Iab23eaa41f4ef4d3f99dccd6d2075fa4ba8e918e
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoCorrectly handle negative 0
Lars Knoll [Wed, 12 Dec 2012 19:34:31 +0000 (20:34 +0100)]
Correctly handle negative 0

-0 and +0 are two distinct numbers. Since integers only
have one 0 value, we need to convert the number to double
when negating a 0

Change-Id: I915c4bd7168eece947fa91c6b65137a873d4f75a
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix indentation
Lars Knoll [Wed, 12 Dec 2012 19:34:19 +0000 (20:34 +0100)]
Fix indentation

Change-Id: I8ccb47cae3214ab2ac8ed51657856f51fc6c4e95
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoAvoid uninitialized ExecutionContext::current pointer
Simon Hausmann [Sat, 8 Dec 2012 20:12:11 +0000 (21:12 +0100)]
Avoid uninitialized ExecutionContext::current pointer

Change-Id: I63fb1fbb39786fc349ccc121a25951b15ec31d57
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoFix some smaller bugs in toPropertyDescriptor
Lars Knoll [Wed, 12 Dec 2012 18:41:10 +0000 (19:41 +0100)]
Fix some smaller bugs in toPropertyDescriptor

This should now be fully compliant with 8.10.5

Change-Id: I4afacb95a9ec0eb9366181da9dbeb74a5c34c55b
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix a bug in __qmljs_string_to_number
Lars Knoll [Wed, 12 Dec 2012 18:18:40 +0000 (19:18 +0100)]
Fix a bug in __qmljs_string_to_number

The check whether we successfully converted the whole
string was broken, leading to lots of NaN's when converting.

Change-Id: Iea0c37e5900e4fe1a1d0adca9a91e76aeb544336
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoThrow a type error if defaultValue doesn't lead to a primitive type
Lars Knoll [Wed, 12 Dec 2012 18:06:19 +0000 (19:06 +0100)]
Throw a type error if defaultValue doesn't lead to a primitive type

As specified in 8.12.8, we need to throw a type error if calling
[[defaultValue]] on an object doesn't convert to a primitive
type.

Change-Id: I6b5db91a36a21c6037998efb15646d00d49b5d4c
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoUse a new and empty cleanup list for try statements when entering a function
Lars Knoll [Wed, 12 Dec 2012 17:35:42 +0000 (18:35 +0100)]
Use a new and empty cleanup list for try statements when entering a function

The cleanup list is local to a function definition. Otherwise inner functions
would create cleanup code for try statements in outer functions leading
to crashes.

Change-Id: I5d35893b0ea6b0692cda44d5b34b0bb3dfc93fdd
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoRemove references to deleted basic blocks
Lars Knoll [Wed, 12 Dec 2012 17:21:36 +0000 (18:21 +0100)]
Remove references to deleted basic blocks

When linearizing, we can sometimes remove some basic blocks
that are never being jumped to. In this case we also need to
clean up the back references to these blocks from other
blocks.

This fixes a valgrind error with SHOW_CODE=1

Change-Id: I07d74cef24d6cf2c8bcc1e748e314a3a5b5ed60a
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoSmall cleanup
Lars Knoll [Wed, 12 Dec 2012 08:00:30 +0000 (09:00 +0100)]
Small cleanup

Change-Id: Ia25515e5f5e9af561c66589a2aa0c524167719ff
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix hasProperty internal method
Lars Knoll [Wed, 12 Dec 2012 08:00:19 +0000 (09:00 +0100)]
Fix hasProperty internal method

Change-Id: Ifd0b19d6ff011bb85475e6654681a022c8f58e2d
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoProperly set the prototype for regexp objects
Lars Knoll [Wed, 12 Dec 2012 07:28:08 +0000 (08:28 +0100)]
Properly set the prototype for regexp objects

Clean up the code, so that regexp's get instantiated by
the ExecutionEngine

Change-Id: Iacc8d9fee0427342156747d6e8814d7660bdbb1a
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoDon't allow this as LHS operand
Lars Knoll [Wed, 12 Dec 2012 07:22:06 +0000 (08:22 +0100)]
Don't allow this as LHS operand

Change-Id: I18a16721312b07485d0671bf072da27dc97490a8
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoRemove IR::Function from the runtime.
Erik Verbruggen [Tue, 11 Dec 2012 09:03:40 +0000 (10:03 +0100)]
Remove IR::Function from the runtime.

This fixes potential leaks of IR::Functions, lowers the memory usage
of the functions that the VM needs (because the IR fields are not
present in the VM::Function), and makes both managed by the module
respectively the ExecutionEngine.

Change-Id: I6748ad98b062f994eae9dd14f1919aec5aa7c0b0
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoMake MASM InstructionSelection reentrant
Simon Hausmann [Tue, 11 Dec 2012 10:17:55 +0000 (11:17 +0100)]
Make MASM InstructionSelection reentrant

The isel is currently not reentrant because the MacroAssembler's instruction
output buffer is inaccessible and can only be reset by destroying the instance
and re-creating it.

This patch moves assembler specific code into an Assembler subclass and changes
isel to instantiate and use it instead of subclassing JSC::MacroAssembler.

Change-Id: Ic633214c67f475195202459698077e47a75ece2f
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
11 years agoMake the Math constants constant
Lars Knoll [Tue, 11 Dec 2012 22:58:40 +0000 (23:58 +0100)]
Make the Math constants constant

Mark the Math.pi etc. constants as readonly.

Change-Id: I9224400ae48c7f21fc3b0478898c7c78aa7f45df
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoImplement Object.getOwnPropertyDescriptor
Lars Knoll [Tue, 11 Dec 2012 19:45:19 +0000 (20:45 +0100)]
Implement Object.getOwnPropertyDescriptor

Change-Id: I800d3ebd93e41c7b0618e13ce8141d230b1bd58e
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoImplement Object.defineProperties and fix Object.create
Lars Knoll [Tue, 11 Dec 2012 19:27:17 +0000 (20:27 +0100)]
Implement Object.defineProperties and fix Object.create

Change-Id: I5a55b8d9b3c8e34018defcbe8ee97bde43a714c6
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix infinite look when constructing a Function with no arguments
Lars Knoll [Tue, 11 Dec 2012 18:34:48 +0000 (19:34 +0100)]
Fix infinite look when constructing a Function with no arguments

Change-Id: Ic64d8f68678df3a6d71b0681ce32ad8f2a8802fe
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
11 years agoUse QString::toDouble to convert to numbers
Lars Knoll [Mon, 10 Dec 2012 23:41:35 +0000 (00:41 +0100)]
Use QString::toDouble to convert to numbers

QString::toDouble() is always using the C locale in Qt 5,
strtod_l seems to have some stability issues for me, and
creating a locale on the stack doesn't sound very performant.

Change-Id: I35705a125b0c5913a5390ed1429c4e7490300f92
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
11 years agoProperly set up the 'this' pointer
Lars Knoll [Mon, 10 Dec 2012 18:30:08 +0000 (19:30 +0100)]
Properly set up the 'this' pointer

Make sure the this pointer is setup correctly for
function calls. Also make sure we set the strict mode
flag correctly in all functions.

Change-Id: Idaacc92bf6469145b7addfac2bbddea588e85c2d
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
11 years agoReturn the this object if we ask for it
Lars Knoll [Sun, 9 Dec 2012 04:16:04 +0000 (05:16 +0100)]
Return the this object if we ask for it

This makes expressions such as typeof(this) work
correctly.

Change-Id: I44270f877fdee648e69ae44089ffc8fb57243401
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
11 years agoAdd gc() function to triggering manual call to gc
Simon Hausmann [Sat, 8 Dec 2012 17:20:54 +0000 (18:20 +0100)]
Add gc() function to triggering manual call to gc

Similar to jsc

Change-Id: I7c547ef10cb1620523465fe659cd3075dd27a456
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoAdd initial version of stack walker
Simon Hausmann [Sat, 8 Dec 2012 17:22:25 +0000 (18:22 +0100)]
Add initial version of stack walker

Not used yet

Change-Id: Id096f7efd5582d2a20c3b921180be0ebf48996a5
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoFix compilation on posix-compliant systems.
Erik Verbruggen [Mon, 10 Dec 2012 08:56:30 +0000 (09:56 +0100)]
Fix compilation on posix-compliant systems.

memalign is deprecated and linux-only, and malloc.h does not exist on
non-glibc systems.

Change-Id: I44942378b7514c2a3fb6cb5f60256bbcc8ffe370
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix linker warning.
Erik Verbruggen [Tue, 4 Dec 2012 09:54:32 +0000 (10:54 +0100)]
Fix linker warning.

When compiling LLVM with GCC or Clang, the visibility for inline
methods is set to hidden. When linking code compiled without this
flag to LLVM, the system linker will produce warnings like:

ld: warning: direct access in llvm::fdbgs() to global weak symbol llvm::formatted_raw_ostream::~formatted_raw_ostream() means the weak symbol cannot be overridden at runtime. This was likely caused by different translation units being compiled with different visibility settings.

Change-Id: Ia86ff44660d448c8b0673e229137855e56c895f5
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoCreate a temp when a new expression is called with e.g. a closure
Lars Knoll [Sat, 8 Dec 2012 15:01:23 +0000 (07:01 -0800)]
Create a temp when a new expression is called with e.g. a closure

Don't crash on e.g.
var x = new (function() { return this; })

Change-Id: I120410b40ecda7fdc41e1dcc2c17251397143bc1
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoImplement Object.create/defineProperty/defineProperties
Lars Knoll [Sat, 8 Dec 2012 07:57:35 +0000 (23:57 -0800)]
Implement Object.create/defineProperty/defineProperties

Change-Id: I3a71597d012b5fb7d7a2f482f4a16431c71c1c22
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoKeep references while moving other expressions into a temp
Lars Knoll [Sat, 8 Dec 2012 06:44:51 +0000 (22:44 -0800)]
Keep references while moving other expressions into a temp

delete and typeof need to get correct references as arguments.
But we still need to evaluate other expressions correctly. The
best way to do that is to store them in a temp.

Change-Id: I7bcd152742bf752df47fd63a837952c57ea70bf5
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix new/free mismatch
Simon Hausmann [Sat, 8 Dec 2012 04:18:22 +0000 (05:18 +0100)]
Fix new/free mismatch

Earlier patch replaced new with malloc, so when free'ing we also
have to use free() instead of delete.

Change-Id: I353494d88d4de91eb115b7c3dc41fcc556ff6aeb
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoFix shadow builds
Simon Hausmann [Sat, 8 Dec 2012 06:32:04 +0000 (07:32 +0100)]
Fix shadow builds

Make it clear that the generated itab.c file ends up in the OUT_PWD,
so that for dependency tracking we can assume to find it there
instead of in the source dir.

Change-Id: I8c6435e5ba203819cde485cc1291037af58da000
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoFix typeof to work with undefined references
Lars Knoll [Sat, 8 Dec 2012 04:31:19 +0000 (20:31 -0800)]
Fix typeof to work with undefined references

Change-Id: I90cd2b34a25476dfee1ec01315275b6c179d11dc
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoFix gc on ia32
Simon Hausmann [Sat, 8 Dec 2012 04:18:22 +0000 (05:18 +0100)]
Fix gc on ia32

* size += sizeof(MMInfo) risk unaligning size, to run it through align() again
* Don't rely on new returning an aligned pointer, use memalign
* Enable #ifdefs for 32-bit MMInfo/MMObject

Change-Id: If22abb9e0d77ece385793ea5e92540f177d3a07c
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoFixed memory leak.
Erik Verbruggen [Thu, 6 Dec 2012 12:52:16 +0000 (13:52 +0100)]
Fixed memory leak.

Change-Id: Id4ae9d9192e2f2bd97e4a789a1613b669feaccb0
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoAdd a MemoryManager, which does GC for the interpreter.
Erik Verbruggen [Tue, 4 Dec 2012 12:40:18 +0000 (13:40 +0100)]
Add a MemoryManager, which does GC for the interpreter.

Todo:
- stack walking for MASM
- fix all TODOs/FIXMEs and hidden treasures (bugs).

Change-Id: I36f8cdc3a545df7287ce1df17b3570a9c017865e
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoAdd utility function to print stack traces from lldb/gdb.
Erik Verbruggen [Tue, 4 Dec 2012 09:31:31 +0000 (10:31 +0100)]
Add utility function to print stack traces from lldb/gdb.

Change-Id: I81315a1cd6900dbecfc9a39d9dc4256461163921
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years ago[masm] Inline ushr
Simon Hausmann [Tue, 4 Dec 2012 22:11:28 +0000 (23:11 +0100)]
[masm] Inline ushr

Change-Id: Ia3855625e72ae7ed50b9890edbad11e2aa338930
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
11 years agoUse __get__, so that accessor properties work correctly
Lars Knoll [Tue, 4 Dec 2012 22:12:51 +0000 (14:12 -0800)]
Use __get__, so that accessor properties work correctly

Change-Id: I99f06c09017b50bffeb34a8158f0dbf902c75945
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoRemove unused method
Lars Knoll [Tue, 4 Dec 2012 21:50:49 +0000 (13:50 -0800)]
Remove unused method

Change-Id: Ic8dd47453951bd129e0dcceeb43ecfa299d4c189
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoGet rid of the ActivationObject
Lars Knoll [Tue, 4 Dec 2012 21:46:48 +0000 (13:46 -0800)]
Get rid of the ActivationObject

Also implement __qmljs_xxx_activation_property
in a more correct way.

Change-Id: I60c330bccca21fad99930987ed78153114a80c7d
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years agoMake crypto.js work in both v4 and nodejs
Lars Knoll [Tue, 4 Dec 2012 22:26:29 +0000 (14:26 -0800)]
Make crypto.js work in both v4 and nodejs

Change-Id: I7cb200d1626404898ed94b71972499864b2d99d9
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
11 years ago[masm] Remove unused variable
Simon Hausmann [Tue, 4 Dec 2012 21:32:32 +0000 (22:32 +0100)]
[masm] Remove unused variable

Change-Id: I6034dad659ea4029256828bee06e8621902fd52c
Reviewed-by: Lars Knoll <lars.knoll@digia.com>