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master-integration
* 'master' of scm.dev.nokia.troll.no:qt/qt-air-staging:
Deprecate QScriptValue::UserRange
Deprecate QScriptValue::QObjectMember
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QScriptValue::PropertyFlags should only represent standard
(ECMA) attributes.
Since we can't guarantee that the back-end will be able to
retain extra "user" bits, we don't want users to write code
that rely on them.
Task-number: QTBUG-15571
Reviewed-by: Jedrzej Nowacki
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This property flag serves no valid use case.
We don't want users to write code that depends on whether the
property is a Qt/C++ property or a JS property.
Task-number: QTBUG-17760
Reviewed-by: Jedrzej Nowacki
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master-integration
* 'master' of scm.dev.nokia.troll.no:qt/qt-air-staging:
Don't allow non-Object values to be set as prototype
Enable QtScript/JavaScriptCore ASSERTs in debug mode
Don't assert in abortEvaluation() autotest
Avoid asserting when computing line number for backtrace
Make missing line number info an expected failure
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It should only be possible to set an object or null as
prototype. This is consistent with both JSC and V8.
Additionally, it keeps JSC from asserting in debug mode.
Task-number: QTBUG-15154
Reviewed-by: Jedrzej Nowacki
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Conflicts:
src/gui/text/qfontengine_mac.mm
src/opengl/qpixmapdata_gl.cpp
src/opengl/qwindowsurface_gl.cpp
src/s60installs/bwins/QtOpenGLu.def
src/s60installs/eabi/QtOpenGLu.def
tests/auto/qtextlayout/tst_qtextlayout.cpp
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This is needed to ensure that the calls into JSC are safe,
e.g. with regards to reentrancy.
I was not able to construct a testcase, but several of our
autotests crash without this change if
COLLECT_ON_EVERY_ALLOCATION is set to 1 in Collector.cpp
(this forces a garbage collection every time an object is
allocated).
Task-number: QTBUG-17815
Reviewed-by: Olivier Goffart
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Conflicts:
examples/webkit/imageanalyzer/imageanalyzer.h
examples/webkit/imageanalyzer/mainwindow.h
mkspecs/unsupported/qws/linux-x86-openkode-g++/qplatformdefs.h
src/corelib/io/qfsfileengine_iterator_unix.cpp
src/corelib/io/qfsfileengine_iterator_win.cpp
src/corelib/kernel/qcoreapplication.cpp
src/network/access/qnetworkaccessdatabackend.cpp
src/plugins/bearer/connman/qconnmanservice_linux.cpp
src/plugins/platforms/openvglite/qwindowsurface_vglite.h
src/s60installs/bwins/QtCoreu.def
src/s60installs/eabi/QtCoreu.def
src/s60installs/s60installs.pro
tools/assistant/tools/assistant/helpviewer_qwv.h
tools/qdoc3/test/qt-html-templates.qdocconf
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Reviewed-by: Trust Me
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It is not allowed to mix values that were created in different
QScriptEngine instances.
Reviewed-by: Kent Hansen
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Conflicts:
configure
doc/src/snippets/code/doc_src_qmake-manual.qdoc
mkspecs/features/symbian/application_icon.prf
mkspecs/features/symbian/default_post.prf
mkspecs/features/symbian/symbian_building.prf
qmake/generators/symbian/initprojectdeploy_symbian.cpp
src/multimedia/audio/audio.pri
src/network/access/qnetworkaccessmanager.cpp
src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
src/opengl/qgl_p.h
src/plugins/bearer/corewlan/qcorewlanengine.mm
src/plugins/phonon/mmf/mmf.pro
tests/auto/qscriptvalue/tst_qscriptvalue.cpp
tests/auto/qscriptvalue/tst_qscriptvalue.h
tools/qdoc3/doc/qdoc-manual.qdocconf
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Yet another missing API shim.
When converting the QScriptValue to JSC, a JSCell may be allocated,
which can cause the GC to trigger.
If an identifier (JSC::Identifier) is then garbage collected, the
destructor will try to remove itself from the currentIdentifierTable().
Because the API shim was missing, the identifier table was 0.
It's difficult to create a bulletproof test for this case, but the
attached test is a best effort (it crashes on my machine without the
fix).
Task-number: QTBUG-15144
Reviewed-by: Jedrzej Nowacki
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If an exception occurs, we should ignore the result of
JSC::construct() and return the exception value, even if
the exception is not an object.
This makes the behavior match the documentation: "Calling
construct() can cause an exception to occur in the script
engine; in that case, construct() returns the value that
was thrown".
Task-number: QTBUG-14801
Reviewed-by: Jedrzej Nowacki
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The minimum supported version of MS Visual C++ 2003, which is _MSC_VER 1310.
Merge-request: 756
Reviewed-by: Olivier Goffart <olivier.goffart@nokia.com>
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There were still a couple of functions that didn't have them. This
could cause said functions to crash if multiple script engines were
being used.
Reviewed-by: Jedrzej Nowacki
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For arrays, the conversion would crash if the array was cyclic.
Introduce a set that keeps track of which objects are being
converted, and return an empty list when a cycle is detected.
For other types of objects, the object was previously attempted
to be converted to a primitive, which typically meant you would
get the string representation ("[object Object]"), since most
(practically all) objects can be converted to a string -- not
useful at all.
Change the conversion so it converts the object to a QVariantMap
instead. This was already done for slots that took a QVariantMap
as argument, but only one level deep. Make the conversion recursive,
using the same mechanism as for arrays to detect cycles.
This change also means that you get a meaningful
JS object => QVariant => JS object roundtrip.
It also aligns the behavior with the Qt WebKit bridge.
Update the documentation to describe the new behavior.
The 4.7 changelog will also be updated under "important behavioral
changes".
This change exposed an issue with one of the QML autotests: A JS
object was assigned to a QVariant property, which caused it to be
converted to a string (rather than a QVariantMap) -- just shows
that the previous behavior was unintuitive). Later, this variant
property is compared to another object, the intention being to
compare the _properties_ of the two objects; but because the variant
property contained a string, this would cause the other operand
(object) to be converted to a string as well ("[object Object]"),
causing a meaningless test pass.
Change the test to deserialize both objects using JSON.stringify,
and compare the resulting strings, so that actual
JS object => QVariant(Map) => JS object roundtrip is tested (the
intention).
Task-number: QTBUG-3511
Reviewed-by: Olivier Goffart
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In 4.5, changing the prototype of the (custom) global object used
to "Just Work"(tm).
In the JSC-based back-end, the built-in global object acts as a
proxy if a custom global object is set, because JSC doesn't (yet,
anyway) provide a way to replace the global object.
To complicate this further, we also have a proxy to the original
global object (that bypasses the custom global object proxying (!)).
This is so that properties of the original global object can
still be accessed with the QtScript C++ API when a custom global
object has been set.
Unfortunately, JSObject::prototype()/setPrototype() are not virtual,
meaning that a change of prototype in the source object is not
reflected in the proxy or vice versa.
Work around this for now by syncing the prototype at the appropriate
places (QScriptEngine::setGlobalObject(), QScriptValue::setPrototype()).
This fixes all except the case when a prototype is set from JS,
since such a write doesn't go through our public C++ API. But this
case can be detected and handled by the global object's
JSObject::put() reimplementation. Created a separate report for that
issue: QTBUG-9737.
Task-number: QTBUG-7066
Reviewed-by: Jedrzej Nowacki
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QScriptEngines
the currentIdentifierTable table, which is a static thread local variable, could be corrupted.
The main change is to fix the QScriptEngine constructor not to alter the currentIdentifierTable
This showed a lot of cases where APIShim guards where missings.
The problem was seen with creator, related to QTBUG-9426
Reviewed-by: Jedrzej Nowacki
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QScriptEngine::reportAdditionalMemoryCost(int).
This function provides the ability to give a hint to the engine
that it should perhaps trigger garbage collection sooner rather
than later.
For example, if you've implemented a JS ByteArray class that
wraps a QByteArray, and a user constructs a few hundred
temporary ByteArray objects of large sizes, failure to report
the additional memory cost may cause the application's memory
consumption to grow and grow (because the script engine thinks
they are "cheap" objects, the GC won't kick in).
Reporting the correct size can be difficult (or impossible) in
some cases. For example, it's difficult to predict the total
amount of system memory & resources consumed by a QImage.
But even reporting a heuristic / approximate cost can be better
than reporting no cost.
Task-number: QTBUG-6238
Reviewed-by: Simon Hausmann
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Their absence was causing Bauhaus to crash.
Reviewed-by: Simon Hausmann
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Conflicts:
configure.exe
mkspecs/common/symbian/symbian.conf
src/gui/graphicsview/qgraphicswidget.h
src/gui/kernel/qapplication.cpp
src/gui/text/qtextlayout.cpp
src/openvg/qpixmapdata_vg.cpp
src/s60installs/s60installs.pro
tools/runonphone/main.cpp
tools/runonphone/serenum_unix.cpp
qtextlayout.cpp fixed up together with Eskil.
Kept the configure.exe from 4.7 without recompile.
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Oops, the case of a non-array object argument wasn't implemented
nor tested in the new back-end.
This commit brings it in line with the behavior of the old back-end.
Also test that QScriptValue::construct() doesn't have the same problem.
Reviewed-by: TrustMe
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Need shims wherever a JSC::Identifier can be created/destroyed.
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- Update qscriptvalueiterator test to expect length property when
iterating arrays and strings.
- Use EvalExecutable::create() instead of EvalExecutable constructor.
The constructor is private.
- Reimplement getOwnPropertyDescriptor() in all custom script objects.
- Remove all reimplementations of getPropertyAttributes().
It doesn't exist in trunk anymore (getOwnPropertyDescriptor() is used
instead).
- Remove checkDontDelete argument from deleteProperty() reimplementations.
The purpose of this argument was to support deleting properties
with attribute Undeletable from C++. But it was quite an invasive
patch to JavaScriptCore, and it doesn't seem worth it. If this feature
is really crucial it should be re-done upstream.
One of the tests needed to be updated so it's not sensitive to the
C++ undeletability.
- Adapt getOwnPropertyNames() reimplementations to signature change.
- Add missing QScriptObject structure flags, otherwise we don't get all virtual calls.
- Remove our patch for reporting column numbers in the debugger callbacks.
It was just too intrusive. As with the checkDontDelete issue, this should
be redone upstream if it's really important. In 4.7, QScriptEngineAgent
will always report a column number of 1.
Other compilation fixes:
- InternalFunction::name() takes an ExecState* argument, not GlobalData*
- ScopeChain::globalObject is no longer a function but a member variable
- ScopeChainNode constructor takes a GlobalObject argument
- Heap::collect() is called collectAllGarbage()
- JSValue::strictEqual() takes an ExecState* argument
- Debugger::exception() takes a bool hasHandler argument
- Debugger no longer reports column number (we decided to drop that patch from JSC)
- UString doesn't have operator+=(char*)
- Update the autotests to reflect the columnNumber=1 change.
- Add helper class to avoid crashing inside JSC.
Ever since r52856 in WebKit trunk, this is needed. There are probably a lot of
other public API functions that need this guard as well, but I'll add them as they
are discovered.
- Update mkdist-javascriptcore tag, exclude a few more files.
- Set ENABLE_JSC_MULTIPLE_THREADS=0 define on Mac due to r52355 in trunk.
Reviewed-by: Simon Hausmann
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Use JSC::UString internally. Only when the public API demands it
should a JSC::UString be converted to a QString.
Reviewed-by: Jedrzej Nowacki
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There's no reason to construct QScriptValues when JSC::JSValues
can be operated on directly. A benchmark showed that ~10% of the
time for reading a QObject property from a script was spent just
creating and destroying QScriptValue temporaries. It's time to
finally get rid of this potential bottleneck, not just in the
QObject integration but everywhere.
This change refactors the code so that all internal operations
are performed on JSC::JSValue (most importantly, conversion
from/to Qt types), and the public API functions are just thin
wrappers around these. E.g. instead of doing
enginePrivate->scriptValueFromJSCValue(jsValue).toQObject()
the implementation now does
QScriptEnginePrivate::toQObject(jsValue)
Other operations are delegated to the engine implementation
in similar style.
Task-number: QTBUG-8304
Reviewed-by: Jedrzej Nowacki
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More preparation for operating purely on JSC::JSValue internally.
Reviewed-by: Jedrzej Nowacki
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In preparation of operating purely on JSC::JSValue internally.
Reviewed-by: Jedrzej Nowacki
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In preparation of doing this conversion in more places.
Reviewed-by: Jedrzej Nowacki
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Also rename ToUint{16,32} to ToUInt{16,32} to follow the Qt
naming (it takes precedence over the ECMA one).
Reviewed-by: Jedrzej Nowacki
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Because that's where they belong.
Reviewed-by: Jedrzej Nowacki
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Task-number: None, discovering while doing test refactoring
Reviewed-by: Jedrzej Nowacki
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4.6-integration
* '4.6' of scm.dev.nokia.troll.no:qt/oslo-staging-1: (71 commits)
QNAM HTTP Code: Cache socket state inside ensureConnection()
tst_qhttpnetworkconnection: Test also HEAD in some tests
tst_qhttpnetworkconnection: Relax condition in getMultipleWithPriorities
QNAM HTTP Code: When starting new request, prefer connected sockets.
typo fix
Added the 'framecapture' WebKit example to the default build.
Fix code example
fix typo in qreadwritelock's documentation
QNAM HTTP: Don't call d_func() so often
QNAM HTTP: Fix readBuffer maximum size.
QNAM HTTP: Optimize eatWhitespace()
QNAM HTTP: Check if socket already tries to connect.
network internals: fix build on S60
[syncqt] Make -separate-module work with WebKit's directory structure
doc: Corrected explanation of when append() does nothing.
doc: Added clarification about allocating space for the 0 terminator.
Add a way to access the normalised URL in QUrl.
[syncqt] Make it possible to synchronize headers for a separate module
[syncqt] Make it possible to override the base directory
network internals: start HTTP GET requests right away when called
...
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Reviewed-by: Trust Me
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QScriptDeclarativeClass.
Task-number: QTBUG-6178
Reviewed-by: Kent Hansen
Reviewed-by: Aaron Kennedy
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to the LGPL only.
To do this I ran replace-licenses.zsh $QTDIR/src/script release
Reviewed-by: Jason McDonald <jason.mcdonald@nokia.com>
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Reviewed-by: Jason McDonald <jason.mcdonald@nokia.com>
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QScriptDeclarativeClass is a private, but exported, class used by the
declarativeui module. It is very similar to QScriptClass, but slightly
faster and provides a couple of "backdoor" extension mechanisms used
by declarative.
Reviewed-by: Warwick Allison
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Makes QScriptValue::toNumber() ~50% faster.
Reviewed-by: Olivier Goffart
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Calls to engine() are mostly done for checking that the "source"
and "target" engines are the same, but we don't want those checks
to slow us down. Use an inline getEngine() function instead.
This makes e.g. QScriptValue::call() ~10% faster for a function
like "function(a, b) { return a + b; }".
Reviewed-by: Olivier Goffart
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Also avoid looking up the object's own properties twice
(before we called getOwnPropertySlot() and then getPropertySlot()
on the same object).
Makes QScriptValue::property() ~20% faster when calling it on an "empty" object.
Reviewed-by: Olivier Goffart
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Makes QScriptValue::property() ~10% faster.
Reviewed-by: Olivier Goffart
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The idea is that qsreal can be typedef'ed to float on platforms where it's
appropriate. Since the QScriptValue ctor takes a qsreal, we should not
convert it to a double internally.
Reviewed-by: Olivier Goffart
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It's faster than calling getObject(), since getObject() will do
type checking of the value.
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Make allocation faster.
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It's better that this works rather than asserts.
Reviewed-by: Olivier Goffart
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Reviewed-by: Simon Hausmann
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