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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>
* Pass a QmlContext to QV4::Script instead of a contextwrapperLars Knoll2015-09-091-5/+9
| | | | | Change-Id: Ia8db166aacbbe6e8f588179dffa04e2dce9566cb Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* Move createQmlCallableForFunction out of the binding wrapperLars Knoll2015-09-081-16/+0
| | | | | | | | | It's now QV4::FunctionObject::createQmlFunction, which I believe is a better place and name for the method, esp. as it has no real connnection to the binding wrapper anymore. Change-Id: I59e20e120db72e53735b3a986e0b91bc7c3347d7 Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* Create less BindingWrappersLars Knoll2015-08-251-4/+0
| | | | | | | | Instead create QmlContext's directly as they are the only thing used from the binding wrapper. Change-Id: If3a987134dee9e85b6a76ed74aacd76b19279117 Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* Remove unused pointer to the context wrapperLars Knoll2015-08-201-2/+0
| | | | | | | THe binding wrapper doesn't use that pointer anymore. Change-Id: Ie04fff448b9647927219936a62c67ac0b4853eec Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* Remove type punning from QV4::Value.Erik Verbruggen2015-07-241-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The union in QV4::Value is used to do type punning. In C++, this is compiler-defined behavior. For example, Clang and GCC will try to detect it and try to do the proper thing. However, it can play havoc with Alias Analysis, and it is not guaranteed that some Undefined Behavior (or Compiler depenedent behavior) might occur. The really problematic part is the struct inside the union: depending on the calling convention and the register size, it results in some exciting code. For example, the AMD64 ABI specifies that a struct of two values of INTEGER class can be passed in separate registers when doing a function call. Now, if the AA in the compiler looses track of the fact that the tag overlaps with the double, you might get: ecx := someTag ... conditional jumps double_case: rdx := xorredDoubleValue callq someWhere If the someWhere function checks for the tag first, mayhem ensues: the double value in rdx does not overwrite the tag that is passed in ecx. Changing the code to do reinterpret_cast<>s might also give problems on 32bit architectures, because there is a double, whose size is not the same as the size of the tag, which could confuse AA. So, to fix this, the following is changed: - only have a quint64 field in the QV4::Value, which has the added benefit that it's very clear for the compiler that it's a POD - as memcpy is the only approved way to ensure bit-by-bit "conversion" between types (esp. FP<->non-FP types), change all conversions to use memcpy. Use bitops (shift/and/or) for anything else. - only use accessor functions for non-quint64 values As any modern compiler has memcpy as an intrinsic, the call will be replaced with one or a few move instructions. The accessor functions also get inlined, the bitops get optimized, so in all cases the compiler can generate the most compact code possible. This patch obsoletes f558bc48585c69de36151248c969a484a969ebb4 (which had the exact aliassing problem of the double and the tag as described above). Change-Id: I60a39d8564be5ce6106403a56a8de90943217006 Reviewed-by: Ulf Hermann <ulf.hermann@theqtcompany.com>
* Cleanup retrieval of scope and context objectsLars Knoll2015-06-181-2/+2
| | | | | Change-Id: I9c6174181f950bc4f829727dc6acdfe82fa4e894 Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* Add some typesafetyLars Knoll2015-06-181-2/+2
| | | | | | | | Even though the goal is to get rid of the contextwrapper, this helps in the meantime. Change-Id: I234ef39f74fb0eee78710884de6a1c90763bce74 Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* Clean up ExecutionContext's for QMLLars Knoll2015-06-181-3/+2
| | | | | | | | | | | | Create a specialized QmlContext instead of re-using a call context with a QQmlContextWrapper as activation object. This saves some memory and opens up the route to getting rid of the context wrapper in a future commit. Change-Id: I1591c73932a08564fddf5137ac05bbc6f31dd4d5 Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* Make QV4::Script GC safeLars Knoll2015-06-171-4/+3
| | | | | Change-Id: I559458278cb6a0bbbc4da441034115aa4c72b058 Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* Store rootcontext in a GC safe wayLars Knoll2015-06-171-1/+1
| | | | | Change-Id: If81d638c0ccd2b34df918ae5055e309f4eae031f Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* Use Heap::Pointer in more placesLars Knoll2015-04-241-4/+2
| | | | | Change-Id: I2a64aadcd47ed05ad7d08a70a5d765d898a671fd Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
* More cleanupsLars Knoll2015-04-211-1/+1
| | | | | | | | Get rid of Value::asObject(), and pass const Managed pointers into some more vtable methods. Change-Id: Ia4f427d5fd8868f77b4015d1ce5424d32bfc2115 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>
* Get rid of most uses of ValueRefLars Knoll2015-01-231-1/+1
| | | | | | | | | | | | Instead pass a const Value & into the functions With our new inheritance structure, we can get rid of ValueRef and instead simply pass a pointer to a Value again. Pointers to Values are safe to use again now, as they are now guaranteed to be in a place where the GC knows about them. Change-Id: I44c606fde764db3993b8128fd6fb781d3a298e53 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Make sure we always have an engine when assigning to a PersistentLars Knoll2015-01-131-1/+1
| | | | | | | This prepares things for a rewrite of the internals of Persistent. Change-Id: Ib93ec5911984d1bfce87ffdc3f86bc75f6ecafe9 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Clean up JS .import/.pragma directive scanningSimon Hausmann2015-01-081-1/+6
| | | | | | | | | | | There's a scanner in QQmlJS::Lexer::scanDirectives that can parse those, so let's get rid of extra parser that operates on a string. Instead this way we can do the scanning all in one shot, avoid detaching a copy of the source code string and (most importantly) bring the parser closer to the copy in Qt Creator, which uses the directives approach to extract imports and pragma. Change-Id: Iff6eb8d91a45d8a70f383f953115692be48259de Reviewed-by: Fawzi Mohamed <fawzi.mohamed@theqtcompany.com>
* Return Heap::ExecutionContext for globalContext()Lars Knoll2014-12-191-10/+23
| | | | | Change-Id: Ide7c81735be4662ff45bf268cfe750ff1f784453 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Encapsulate accesses to the root contextLars Knoll2014-12-111-1/+1
| | | | | Change-Id: I668cef1363a5c1a5c5b9a7e138f3bd0338712eea Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove the executioncontext in a few more places where it's not neededLars Knoll2014-11-211-2/+0
| | | | | Change-Id: I4c92c7bc9d94d8265e306f45d863fdc080a5e2a6 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Replaced more usages of Returned<T> with Heap::T*Simon Hausmann2014-11-141-2/+2
| | | | | Change-Id: I451128ee71610bfeb71139c28da89a00a8209ec6 Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Store Heap objects in the qml binding wrapperLars Knoll2014-11-121-3/+3
| | | | | Change-Id: I7fae0710d148a2b07ec5f36a7fb96c2b645e564e Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move more Data members over to the Heap namespaceLars Knoll2014-11-081-8/+12
| | | | | Change-Id: I74347da3f0f47220bb1f8cf13b872b547fd18a4d Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move Data of FunctionObject and related classes into HeapLars Knoll2014-11-081-1/+1
| | | | | Change-Id: Iadf74f953798c1884e0ec704ccb7c70d971e3273 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move Object::Data into the Heap namespaceLars Knoll2014-11-081-3/+3
| | | | | Change-Id: I9d30081f71b83bc86f5e5714e23396b18c4d54c5 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Begin moving the data out of Managed objectsLars Knoll2014-11-081-1/+1
| | | | | | | | | | | We need to move the Data objects out of the Managed objects, to avoid lots of trouble because inner classes can't be forward declared in C++. Instead move them all into a Heap namespace. Change-Id: I736af60702b68a1759f4643aa16d64108693dea2 Reviewed-by: Simon Hausmann <simon.hausmann@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>
* Fix QQmlExpression/QQmlScriptString/QQmlBinding crashesSimon Hausmann2014-10-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | In the QQmlScriptString we store the binding id and it is an index into the runtimeFunctions array of the compilation unit. However we don't store the compilation unit and instead in QQmlBinding and QQmlExpression try to retrieve it from the cache via the context url (we have the context after all). That turns out to be not a reliable way, as sometimes the URL might slightly differ from the originally compiled cache (qrc:/// turning to qrc:/ maybe). Consequently the type is (unnecessarily) compiled again and unfortunately not _linked_, therefore the runtime functions array is empty. Another option is that when the component was created from a QByteArray, then no entry exists in the cache in the first place. This patch addresses the problem by storing a reference to the compilation unit in the QQmlContextData. That we can safely retrieve and it'll make sure the compilation unit also stays alive. In the process of that the manual reference counting was switched over to QQmlRefCount and QQmlRefPointer for QV4::CompilationUnit. Task-number: QTBUG-41193 Change-Id: I9111f9a3b65618e453954abcd789c039e65a94f7 Reviewed-by: Lars Knoll <lars.knoll@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>
* Add support for conditional breakpoints and evaluate.Erik Verbruggen2014-08-081-0/+24
| | | | | | | | | | | | Also centralized the context state saver and added line number saving, so that the JS jobs for evaluation of breakpoint conditions don't change the state of the current engine context. Task-number: QTBUG-37119 Task-number: QTCREATORBUG-11516 Change-Id: Ia21b3d64e239e5b67f3c07e1c006d8e6748f29b6 Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com> Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Cleanup: Get rid of __data membersSimon Hausmann2014-07-221-5/+0
| | | | | | | These are not needed anymore Change-Id: Ib834aa294e84ca9fbdd5b6850d5bc172e8b54ba1 Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Fix Managed::as<>() methodLars Knoll2014-07-221-1/+1
| | | | | | | | | | | | | | | The as<> casting method was not doing the right thing in 100% of the cases. It only checked if the object in question was exactly of the type being asked for. It however didn't check if the object was derived from the type. This commit fixes this by adding a parent chain to the vtables, that is then being used to check this safely at runtime. Change-Id: I9e0b13adbda668aee8c7451e2bb71cd6d4e316d9 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* New construction scheme for the binding wrapperLars Knoll2014-07-221-4/+3
| | | | | Change-Id: Ic248aef22e1222e84dfb9b8af0413cf750beb576 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Get rid of all uses of ObjectRefLars Knoll2014-07-221-6/+6
| | | | | Change-Id: I705e2362dcda542f56826dadec6b0a6f15848788 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 the QML Binding wrapper to new data storageLars Knoll2014-07-221-5/+13
| | | | | Change-Id: I715184fe339238a7881a4c64af8c976b81362724 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Rework custom parser integrationSimon Hausmann2014-06-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | The custom parser design used to be so that the custom parser operates on the "AST", creates its own binary representation of the data it needs, stores it in a QByteArray and gets that at object instantiation time. That meant serializing everything necessary. With the introduction of the "binary" QML data structure, that process of serialization becomes obsolete and would require extra work in the custom parsers for example for QQuickStates to store the translation parameters. The clean solution is to eliminate this unnecessary serialization process and instead let the custom parsers do a verification pass at type compile time and then simply operate directly on the QV4::CompiledData::Bindings at object instantiation time. That simplifies the code, and allows for support of translations throughout all list model properties. Additionally this speeds up the creation of state objects and reduces memory consumption. Previously a text: qsTr("foo") binding in states would result in an actual java script binding. After this patch it is merely stored as a string and translated at object instantiation time. Change-Id: I7550274513f54abb09a0ab4de51c4c0bcdb23cae Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Avoid recompiling of signal handlers defined in QtQuick state changes and ↵Simon Hausmann2014-04-021-1/+1
| | | | | | | | | | Connection objects We can re-use the expression we've compiled at QML type compilation time, as long as we "inject" the signal parameters in the dynamic qml lookup chain. Change-Id: Icc417531c41dea06ff5d033011179af49b03f542 Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Fix compilation of script stringsSimon Hausmann2014-04-021-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | The right hand side of script string properties can be evaluated in entirely dynamic scopes, due to QQmlExpressions' public API of allowing construction from a QQmlScriptString and a variable scope/context. Nevertheless we should compile these bindings at type compile time, as long as we make sure that the compiled code doesn't try to do any compile time determined property lookups and type resolution. This is implemented using a separate compilation pass that ensures the disableAcceleratedLookups flag is set. A few minor cleanups come with this patch: * Ensure that the property caches array is always symmetric to the list of compiled QML objects, as that allows the use of at() instead of value(). * The code for creating a QML callable function object for a given run-time function is now centralized in a static function QmlBindingWrapper, used for script strings and bindings from custom parsers. The provided unit test verifies the successful execution of the same script string with two different scope objects. Change-Id: Ica2cea46dd9e47263b4d494d922d3cc9664b08ae Reviewed-by: Michael Brasser <michael.brasser@live.com> Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Clean up script importsSimon Hausmann2014-03-191-1/+1
| | | | | | | | | | Move the .pragma and .import script extraction out of qqmlscript and into qqmlirbuilder, where it can populate a QQmlIR::Document. Changed the script part of the type loader to use that, which also allowed eliminating the m_source member and m_metaData. Change-Id: Icc64d219fff5666679a02e6afda73f7edfca132b Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Split ManagedVTable into two classesLars Knoll2014-01-211-1/+1
| | | | | | | | 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>
* Refactor marking GC'ed objectsLars Knoll2013-11-051-1/+1
| | | | | | | | | | | 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>
* Initial support for resolving meta-property access for the scope and context ↵Simon Hausmann2013-10-311-3/+1
| | | | | | | | | | | | | | | | | objects at QML compile time This avoids having to do a string lookup for ids and in the import cache at run-time, before we can do a string hash lookup in the property cache. Instead we resolve final properties in the context and scope object at compile time and look them up at run-time using their index instead. The dependencies to these properties are also tracked separately and recorded in the compiled data. This is merely the initial patch. There's a lot left to do, such as having specialized getter and setters for specific property types. Setters are missing altogether right now and will fall back to name lookup. Change-Id: If3cb4e7c9454ef4850a615f0935b311c9395b165 Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Compile imported scripts in the loader threadSimon Hausmann2013-09-301-0/+6
| | | | | | | | | | | | | | | | | This has the benefit of blocking the GUI thread less and speeding up type creation in the GUI thread (for types that import js libraries). This patch also brings one behavioral change: Due to the parsing at type instantiation type, things like syntax errors for script imports would only generate a run-time warning and the code in the QML file would just see "undefined". Errors in the script now generate real errors at component compilation time, meaning the errors come out earlier and as real errors. This patch implements the separation for the VME only (to keep the size of this patch small). Change-Id: I82f7f3a2d3d4524ea12a7ab62abd8640aba6a47f Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Remove some uses of raw Object pointersLars Knoll2013-09-301-2/+2
| | | | | Change-Id: I7c715f33d197ebbf6f0c00040099b27ed7221d42 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Fix Persistent/WeakValue APILars Knoll2013-09-261-3/+3
| | | | | | | Don't use unprotected Values in the API anymore. Change-Id: I8851628227fca374de24701bc8ee0908b5ae3923 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* [new compiler] Fix function and binding expression setupSimon Hausmann2013-09-201-0/+4
| | | | | | | | | | | | | | | | | | Binding expressions and QML used to be set up so that they were written as function closure: (function(...) { expression here }) and then evaluated inside qml scope. With the new setup we do that closure setup manually now. For that we have to define a dummy outter "context scope" function in the codegen, that will later be used to look up the context ids. Change-Id: I0656419d67a1728451fcd46f402b03979f118b0b Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Merge branch 'dev' of ssh://codereview.qt-project.org/qt/qtdeclarative into HEADSimon Hausmann2013-09-201-4/+4
|\ | | | | | | | | | | | | | | | | | | Conflicts: src/qml/compiler/qv4isel_masm.cpp src/qml/jsruntime/qv4script.cpp src/qml/qml/qml.pri src/qml/qml/qqmltypeloader_p.h Change-Id: Ia784d855a2131e3289454f12d841ca2c65be15c1
| * Convert most remaining return values from Value to ReturnedValueLars Knoll2013-09-181-1/+1
| | | | | | | | | | Change-Id: If8b0c3b91be50678693868c10fefc3678008834d Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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