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* Updated license headersJani Heikkinen2016-01-191-14/+20
| | | | | | | | | | | From Qt 5.7 -> LGPL v2.1 isn't an option anymore, see http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/ Updated license headers to use new LGPL header instead of LGPL21 one (in those files which will be under LGPL v3) Change-Id: Ic36f1a0a1436fe6ac6eeca8c2375a79857e9cb12 Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
* Add missing "We mean it" comments to private headers.Friedemann Kleint2015-10-061-0/+11
| | | | | | Task-number: QTBUG-48594 Change-Id: Ifc207938de7f0c8995fc712df92665f222612647 Reviewed-by: Alan Alpert <aalpert@blackberry.com>
* Add method to convert identifiers back into QV4::String objectsLars Knoll2015-09-251-0/+2
| | | | | | | | Allocating a new String for the Identifier is wasting both memory and CPU. Let's rather extract it from the IdentifierTable. Change-Id: Ibb9b2ac9775fefce74602d6954586195cdd5814e Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* Encapsulate and protect all accesses to the vtable of Heap objectsLars Knoll2015-08-101-2/+2
| | | | | | | | This is required, so we can safely access the vtable even while we're marking objects during GC. Change-Id: I34f56b61b4bca0d0742faf607eb5ab8b2c30685e Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* Update copyright headersJani Heikkinen2015-02-121-7/+7
| | | | | | | | | Qt copyrights are now in The Qt Company, so we could update the source code headers accordingly. In the same go we should also fix the links to point to qt.io. Change-Id: I61120571787870c0ed17066afb31779b1e6e30e9 Reviewed-by: Iikka Eklund <iikka.eklund@theqtcompany.com>
* Move vtable out of internalClassLars Knoll2015-01-201-2/+2
| | | | | | | | | | | | | | | | We can move the internalClass to Object later on, and such save having the internalClass on lots of Heap objects. This commit basically adds and starts making use of a new vtable pointer in Heap::Base. In addition, the construction methods in the memory manager now automatically setup the correct vtable. Removing the vtable code from InternalClass and moving it into Object will come in a separate commit Change-Id: If49e8d73c769bf65bf47fe4dbf8b9546c8019dbc Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Fold the markBit into the internalClass pointerLars Knoll2015-01-121-4/+4
| | | | | Change-Id: I79f9286275f833dd01a3193042976d1f86ed5019 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Ported ExecutionEngine::newString and newIdentifier to Heap::StringSimon Hausmann2014-11-121-12/+15
| | | | | | | | | | Avoid the use of Returned<String> for newString and changed the identifier table to use Heap::String. This required moving some code back into Heap::String, but that's code that doesn't call back into the GC, so allocations and therefore future object moves aren't possible. Change-Id: I1dca3e9c12a9c56f09419af8cc8cba39fe04f720 Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Let markObjects() operate directly on HeapObjectsLars Knoll2014-11-041-1/+1
| | | | | | | | | This decouples things a bit better and helps moving over to directly store heapobject pointers in other objects. Change-Id: I798f922e018b0a3ca6f8768e4a810187f34d82f6 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Update license headers and add new licensesJani Heikkinen2014-08-251-19/+11
| | | | | | | | | - Renamed LICENSE.LGPL to LICENSE.LGPLv21 - Added LICENSE.LGPLv3 & LICENSE.GPLv2 - Removed LICENSE.GPL Change-Id: I84a565e2e0caa3b76bf291a7d188a57a4b00e1b0 Reviewed-by: Jani Heikkinen <jani.heikkinen@digia.com>
* Rename Managed::managedData() to d() to be consistentLars Knoll2014-07-221-1/+1
| | | | | | | | No need to differentiate in the name anymore, as the data structures all inherit from each other now. Change-Id: Ia41f50ce4e521f9626d874311ceb57e0e194888b Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Convert String to the new storage layoutLars Knoll2014-07-221-2/+2
| | | | | Change-Id: Ifa9aac63fdb270fb449f11832a1792caeb6c6724 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move string data into subclassLars Knoll2014-07-221-6/+6
| | | | | Change-Id: I95dcdda8c68e2a5c36244798c8c10dcfdd69d2c2 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move Managed data into it's own subclassLars Knoll2014-07-221-4/+4
| | | | | | | | | 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>
* Reduce memory pressure on JS stack when garbage collectingSimon Hausmann2014-04-091-3/+8
| | | | | | | | | | | | As the identifier table grows with long running programs, we may end up allocating more identifiers than we have space left on the JS stack for them alongside all the other objects in the environment. To mitigate this, we can simply treat the identifiers as roots, mark them manually and only end up putting sub-strings onto the JS stack if necessary. Task-number: QTBUG-36183 Change-Id: Ie6994555305c84b007860792d066a8df60089847 Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Refactor marking GC'ed objectsLars Knoll2013-11-051-2/+2
| | | | | | | | | | | Don't use recursive function calls anymore. Instead, push marked objects onto the JS stack, and then pop them off when their children are being marked. Should reduce stack memory usage, and improves performance by ~5%. Change-Id: I2d37d97579144fcba87ec8e9fd545dd220c01fbb Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Use StringRef for most methods in ObjectLars Knoll2013-09-221-2/+2
| | | | | Change-Id: I8e2dad0e9e34c5a549952bc0765cd57f6aa8aadf Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Inline identifier lookup where it makes senseLars Knoll2013-09-021-1/+8
| | | | | Change-Id: I42ac6f4232fec2ce1535a007007542d8cc116433 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Restructure source codeLars Knoll2013-08-081-0/+86
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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