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* Get rid of all uses of ObjectRefLars Knoll2014-07-221-2/+2
| | | | | Change-Id: I705e2362dcda542f56826dadec6b0a6f15848788 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove the less often used Ref classesLars Knoll2014-07-221-1/+1
| | | | | Change-Id: I9ee531c903317a0f324671d98af1f967b684915c Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Get rid of StringRefLars Knoll2014-07-221-2/+2
| | | | | | | | Remove the Ref classes, as they won't be required anymore once Managed and Managed::Data are separated. Change-Id: Ic6bec2d5b4ecf2595ce129dbb45bbf6a385138a5 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Convert ExecutionContext to new storage schemeLars Knoll2014-07-221-12/+12
| | | | | Change-Id: I9fcc13da5360f37cef3149b114ed9263b9b74281 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Rename V4_OBJECT_NEW back to V4_OBJECTLars Knoll2014-07-221-1/+1
| | | | | | | | The _NEW variant was there only temporarily to aid converting to the new data layout. Change-Id: I1d126ee0999c8f0a49f5a08c2e8c090497dd6dd5 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Convert SequenceObject to new storage layoutLars Knoll2014-07-221-65/+74
| | | | | Change-Id: I5b9c4e765eb2b1c5de59e1991b94b7179660d153 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move Managed data into it's own subclassLars Knoll2014-07-221-1/+1
| | | | | | | | | This prepares for moving over to a d pointer scheme, where Managed subclasses don't hold any data directly. This is required to be able to move over to a modern GC. Change-Id: I3f59633ac07a7da461bd2d4f0f9f3a8e3b0baf02 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Cleanup our runtime methodsLars Knoll2014-03-111-1/+1
| | | | | | | | | Move all our runtime methods into the QV4::Runtime struct and give them nicer names without underscores. Sort them logically and remove a few unused methods. Change-Id: Ib69b71764ff194d0ba211aac581f9a99734d8180 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Fix occasional crashes in canvas getImageData and other placesSimon Hausmann2014-02-041-2/+2
| | | | | | | | | | | In some places we allocate custom array objects and in the constructor we call setArrayType, which will allocate the array's data through the GC. In all of these cases we need to make sure that the array object itself is protected from garbage collection, because while in the constructor it may not be yet in the scope the callee has usually set up. Change-Id: I96b7af4ae00fd809067e12bacd6563984c5e9240 Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
* Split ManagedVTable into two classesLars Knoll2014-01-211-9/+9
| | | | | | | | Keep the basic methods in ManagedVTable, but have the Object related stuff in an ObjectVTable class. Change-Id: I9b068acf3caef813686227b8d935e7df1a7d1a6e Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Don't return a Property pointer in Object::advanceIteratorLars Knoll2014-01-201-10/+11
| | | | | Change-Id: Iac4cb2a2252b18e40455910e51e3e374df7c1e80 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Rework array handling for JS objectsLars Knoll2014-01-091-3/+3
| | | | | | | | | Split up ArrayData into two classes, one for regular arrays, one for sparse arrays and cleanly separate the two cases. Only create array data on demand. Change-Id: I9ca8d0b53592174f213ba0f20caf93e77dba690a Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move Managed::type and some flags into the vtableLars Knoll2014-01-031-2/+1
| | | | | | | | | | | | | Move the type flag into the vtable to free up these bits in the Managed class, and not have to set them at object construction time. As we often need to know whether a Managed object is a Object, FunctionObject or String, add some bitflags to test for these to the vtable. Change-Id: I7d08ca044544debb307b55f124f34cb086ad9e84 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Encapsulate the current context and fix it's usageLars Knoll2013-12-041-3/+3
| | | | | | | | | | | Encapsulate accesses to the current context, and rework the way we push and pop this context from the context stack. Largely a cleanup, but simplifies the code in the long term Change-Id: I409e378490d0ab027be6a4c01a4031b2ea35c51d Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove setVTable calls in performance critical areasLars Knoll2013-12-041-4/+3
| | | | | | | | | | Remove all the calls to setVTable that were in performance critical parts of the code. This now brings performance back to the level we had with the vtable inlined in the Managed objects. Change-Id: I76317cc5c53b5b700d1d3883b954407142a4c424 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move the vtable pointer from the object to the internal classLars Knoll2013-12-041-2/+2
| | | | | | | | This saves one pointer per object, and willmake other optimizations easier in the future. Change-Id: I1324cad31998896b5dc76af3c8a7ee9d86283bfe Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Simplify & speed up function callingLars Knoll2013-11-091-4/+4
| | | | | | | | | Get rid of the SimpleCallContext, instead simply use the CallContext data structure, but don't initialize the unused variables. Change-Id: I11b311986da180c62c815b516a2c55844156d0ab Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Fix various compiler warnings in order to remove warn_off in the near futureErik Verbruggen2013-11-041-1/+4
| | | | | Change-Id: Ic0492fbe31a1e134674bc6c20381f735dd6d5b7a Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Protect write accesses to objectsLars Knoll2013-10-291-0/+3
| | | | | | | | Don't write to objects if we have a pending exception to avoid any side effects. Change-Id: I9f93a9195a652dbae7033cc6ebb355d5d86e9b5e Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Avoid side effects when en exception has been thrown.Lars Knoll2013-10-291-3/+3
| | | | | | | | | | | | | | We don't want to check for exceptions after every single line on our runtime methods. A better way to handle this is to add the check in all methods that have direct side effects (as e.g. writing to a property of the JS stack). We also need to return whereever we throw an exception. To simplify the code, ExecutionContext::throwXxx methods now return a ReturnedValue (always undefined) for convenience. Change-Id: Ide6c804f819c731a3f14c6c43121d08029c9fb90 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* inline get_element callsLars Knoll2013-10-141-0/+2
| | | | | | | | | | | Inline calls to get_element if the base is an object with a simple array structure, and the index is an integer number. Implemented for 64bit only for now, saves ~25% on crypto.js Change-Id: I3e34a6409169d90d3937f62264707d52a6c2f9f7 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Fix the remaining objects against self destructionLars Knoll2013-10-111-0/+4
| | | | | | | | This makes pretty much all test cases pass with exact garbage collection. Change-Id: Ia874e3c17c3984afb7cfe370f9bd3ad8fe46699a Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove more direct usages of Managed pointersLars Knoll2013-10-111-7/+7
| | | | | Change-Id: I32f61b7919797eef51a8705695787175b76244c4 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Change exception handling APISimon Hausmann2013-10-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch changes the exception handling API in the engine slightly, encapsulating any use of direct throw statements and catch blocks with concrete types. In the future we need to be able to change the way these are implemented, in order to ensure that the correct stack unwinding code is triggered for throw and re-throw. This patch separates the C++ exception object thrown from the V4 exception (that includes value, throwing context pointer) and stores the latter inside the engine. In order for that to compile, ExecutionEngine::StackTrace and StackFrame had to move into the QV4 namespace directly. In addition the syntax for catching exceptions changes from try { ... } catch (QV4::Exception &ex) { ex.accept(context); QV4::ScopedValue exceptionValue(scope, ex.value()); } to try { ... } catch (...) { QV4::ScopedValue exception(scope, context->catchException()); } Context::catchException() checks if there's a "current" exception in the engine, and if not assumes that we caught an unrelated exception and consequently re-throws. partiallyUnwind() is also gone and replaced with rethrowException(), in order to encapsulate the re-throw. Lastly, in the future nesting try/catch blocks isn't going to be possible due to limitations in the common C++ ABI with regards to foreign exceptions. Change-Id: Ic81c75b057a2147e3176d8e0b4d326c14278b47d Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Use SafeValue instead of Value in ScopedValue methodsLars Knoll2013-10-021-2/+2
| | | | | Change-Id: Ie463efe600d498ce77d4b9e8b48abcfd61c1ab78 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Fix ObjectIterator API to be GC safeLars Knoll2013-10-021-3/+3
| | | | | Change-Id: I3a9c48d53d8dbadcb9b32c00fcef1f89447c4b8c Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Fix compilation on Android with 4.8 toolchainLaszlo Agocs2013-10-011-0/+1
| | | | | Change-Id: I1ce4ec8c9c671f0130c1530c772c1dd74f1fb1f4 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove some more QV4::Value usagesLars Knoll2013-09-301-9/+9
| | | | | Change-Id: Ic146a964f2ff6b90eeceda90bf1834d7212386a5 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove more occurrences of QV4::ValueLars Knoll2013-09-301-19/+15
| | | | | Change-Id: I66c370680d7e6bee2e73a7a940aa96ab4009ec57 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove Value::fromString()Lars Knoll2013-09-281-2/+6
| | | | | | | | replaced with call to the GC safe ExceutionEngine::newString() method. Change-Id: I7258296e75ca724ff42b94a0d147bc33a05f8f68 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move Value::fromBool, ... to a new Primitive classLars Knoll2013-09-281-6/+6
| | | | | | | | This will simplify finding the remaining direct usages of QV4::Value that need fixing. Change-Id: I223099727436d5748027c84c53d9dfc4028e38ed Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Fix CallContext to not hold arguments on the C stack anymoreLars Knoll2013-09-281-9/+11
| | | | | Change-Id: I35f46cce4f243d4b8b2bac9244f8fc26836f413b Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move more API over to use ValueRefLars Knoll2013-09-261-3/+6
| | | | | Change-Id: I372f1f3e3e78d45912a913f437e622e0acfc9646 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Convert putIndexed()Lars Knoll2013-09-221-14/+16
| | | | | Change-Id: I7d02b0fdf45079d0f7afcfb6d3158dd60cb09f33 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Use a StringRef for Managed::get()Lars Knoll2013-09-221-1/+1
| | | | | | | | | also store "toString" and "valueOf" as identifiers in the engine and fix two places where we compared strings the wrong way. Change-Id: I70612221e72d43ed0e3c496e4209681bf254cded Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Cleanup Object::define*Property APILars Knoll2013-09-221-7/+7
| | | | | Change-Id: I99125908a9bc1d41a2642c409af9704def7a0832 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Convert most remaining return values from Value to ReturnedValueLars Knoll2013-09-181-8/+10
| | | | | Change-Id: If8b0c3b91be50678693868c10fefc3678008834d Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Convert builtin methods to return a ReturnedValueLars Knoll2013-09-181-11/+11
| | | | | Change-Id: I6b75adbf53a5be0deab023d2eed98ce2a7915551 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Use a ReturnedValue for Managed::getIndexed()Lars Knoll2013-09-181-3/+3
| | | | | Change-Id: I0371ed21c4ef99564d3ffa1082dd109e890a78bf Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Rename QV4::ValueScope to QV4::ScopeLars Knoll2013-09-181-1/+1
| | | | | | | | The class is going to be used all over the place, so let's give it a short name :) Change-Id: If61543cb2c885e7fbb95c8fc4d0e870097c352ed Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Require a ValueScope for ScopedCallData as wellLars Knoll2013-09-181-1/+1
| | | | | | | | This brings things more in line with ScopedValue, and also simplifies cleanup of Scoped values. Change-Id: If5f1466b4e13c629d56c1e7c638937f61ba48f77 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Use a ReturnedValue for Managed::call()Lars Knoll2013-09-181-2/+3
| | | | | Change-Id: Ief2d75e9789dd367c603d90dc0fe5316a0d055e3 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove qSort usages from declarativeGiuseppe D'Angelo2013-09-131-2/+4
| | | | | | | | | QtAlgorithms is getting deprecated, see http://www.mail-archive.com/development@qt-project.org/msg01603.html Change-Id: I8fa7d0186cc8f0ba562695974829e37f1eb87f2f Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com> Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Use a ReturnedValue when converting to String or ObjectLars Knoll2013-09-121-2/+2
| | | | | | | | Also rename Value::toQString() to Value::toQStringNoThrow(), and add a throwing toQString() method for JS use. Change-Id: I821b33fc61abb7d08839df965fd337685f61a545 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move CallData onto the JS stackLars Knoll2013-09-111-5/+6
| | | | | Change-Id: I22e853acfd2da337344b581bb0412c5f9930c510 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove more usages of Object::setPrototype()Lars Knoll2013-09-021-4/+2
| | | | | Change-Id: I33383baf14e764ce79252a100a6d769bde75331a Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move prototype pointer into QV4::InternalClassLars Knoll2013-09-021-5/+4
| | | | | | | | | | | | | The prototype is actually the same for most objects. By moving it into the internal class, we can save 8 bytes per object, as well as allowing for some future optimizations. Also fix a bug in the implementation of the Error prototype objects. Change-Id: I4d4b641055f644a9b088f27be34bfdb0446279b7 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* change calling convention for JS function callsLars Knoll2013-09-021-5/+5
| | | | | | | | | | | | This allows faster pass through of the data if we have nested calls. Also make sure we always reserve at least QV4::Global::ReservedArgumentCount Values on the stack to avoid stack corruption. Change-Id: I42976460f1ef11a333d4adda70fba8daac66acf3 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Fix compilation with MSVC 2008 (and prospective Windows CE build fix)Simon Hausmann2013-08-221-2/+2
| | | | | | | | | | | | | | | | | * Only 2010 and newer ship stdint.h, so for 2008 we have to provide a little stdint.h compat header, for some of the third-party code we import. Our own Qt code this patch changes to use quint* types instead. * Include math.h and float.h for some math functions. * disable the JIT on Windows CE for now. * Change use of intptr_t to qintptr in Qt code. intptr_t is in inttypes.h, except that with VS 2008 it is indirectly available through stdio.h. Let's avoid the mess and just use the qt type, that's always available. Change-Id: I19055edd89e0a6b147d9edbb3b711798ed3c05a5 Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Restructure source codeLars Knoll2013-08-081-0/+651
Move the v4 engine classes from a subdir of qml/qml into two subdirs (compiler and jsruntime) of the qml module Remove an unsued qv4syntaxchecker class, and move the moth code directly into compiler. Change-Id: I6929bede1f25098e6cb2e68087e779fac16b0c68 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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