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path: root/src/qml/jsruntime/qv4value.cpp
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* 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>
* 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>
* Fix the remaining try/catch statements in C++Lars Knoll2013-10-291-11/+9
| | | | | Change-Id: I2421dc48fb271b66bd476fb16a32a88fcc4c5177 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Smaller cleanupsLars Knoll2013-10-111-4/+1
| | | | | Change-Id: I0a7eee96ef7c92ad4a3c5963010e3ac66fe6ed3a Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Cleanup exception handlingSimon Hausmann2013-10-031-1/+0
| | | | | | | | | | The code in the Exception class operates entirely on the engine's data, so move it into ExecutionEngine instead. This eliminates the need for a QV4::Exception class and catches and old code that tries to still do catch (Exception &) instead of catch (...) Change-Id: Ie608bec6af652038aca6c9423c225a4d7eb13b39 Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Change exception handling APISimon Hausmann2013-10-021-5/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* Remove Value::fromString()Lars Knoll2013-09-281-10/+0
| | | | | | | | replaced with call to the GC safe ExceutionEngine::newString() method. Change-Id: I7258296e75ca724ff42b94a0d147bc33a05f8f68 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove more direct QV4::Value usageLars Knoll2013-09-281-2/+2
| | | | | | | | Remove Value::fromString(String *), and make Encode safe against encoding raw Managed * pointers. Change-Id: Ibca4668e1cbeaf85c78169d14386281659d33ef6 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move Value::toInteger(double) and related to PrimitiveLars Knoll2013-09-281-4/+4
| | | | | | | Also clean up a few other direct uses of Value Change-Id: Ie27d42c1b31b9e6d16d0a60071cb5e4e1c5b9e8b Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Fix Persistent/WeakValue APILars Knoll2013-09-261-41/+32
| | | | | | | Don't use unprotected Values in the API anymore. Change-Id: I8851628227fca374de24701bc8ee0908b5ae3923 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Don't use Value::emptyValue() anymore.Lars Knoll2013-09-221-2/+4
| | | | | | | | | | emptyValue is special and reserved for usage inside the engine to mark missing values. The main to use cases are when converting property descriptors, and to mark holes in array data. Change-Id: I0ed357e65102b1041bf9a878e6e9a4ae0657523b Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Further work towards an exact GCLars Knoll2013-09-221-0/+30
| | | | | | | | | | | Add some more convenience in the helper classes in qscopedvalue_p.h Make accesses to CallData safer, and change ExecutionEngine::newObject() to return a safe pointer. Change-Id: I980909754ce9681cf6faa1355bab3a1e5d6dd186 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Fix handling of empty ValuesLars Knoll2013-09-181-0/+2
| | | | | | | | | | | | Make things consistent between 32 and 64 bit again Adjust test results after the changes Almost all uses of Value::empty() will get removed in the future, but for now this gets all our tests to pass again. Change-Id: I44784a43432e78febbdfe78115c9be2a3e3ece76 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Refactor our NaN boxing to be more efficientLars Knoll2013-09-181-38/+41
| | | | | | | | | | | | | * Use a unified way to store all Managed objects inside a Value, instead of distinguishing between strings and other objects. * On 64 bit we store pointers as pointers, so accessing them through Scoped<> objects is cheap. This implies that doubles are now stored in a mangled form (xor'ed with a mask). Change-Id: I582e0fb167a62c0c527c6bfa3452550e37944069 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Optimize some runtime methodsLars Knoll2013-09-181-43/+5
| | | | | | | This prings performance up by ~25% again. Change-Id: I680466e11b722b2eac0edda0fe4199b717d23855 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Convert methods in qv4runtime to use Returned<X>Lars Knoll2013-09-181-1/+1
| | | | | Change-Id: I1f68ecb298b049f3fa90de26b4b39233d48fb8e0 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Extend the ReturnedValue mechanism to pointers to Managed objectsLars Knoll2013-09-181-1/+1
| | | | | | | | | | | | | Add a Returned<T> that we can return instead of raw pointers to Managed objects. Start using the Returned<T> for a few methods. Also clean up all our classes to use the Q_MANAGED macro instead of manually defining their vtable. Change-Id: I0a2962e47f3de955cd2cd8474f8f3fcc9e36d084 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Use ReturnedValue for Managed::get().Lars Knoll2013-09-181-6/+0
| | | | | Change-Id: Ia8f35d227b69d32e1f6a041283abbbd083aa34ca Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Rename QV4::ValueScope to QV4::ScopeLars Knoll2013-09-181-3/+3
| | | | | | | | 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>
* Use a ReturnedValue for Managed::call()Lars Knoll2013-09-181-0/+15
| | | | | Change-Id: Ief2d75e9789dd367c603d90dc0fe5316a0d055e3 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Use a ReturnedValue when converting to String or ObjectLars Knoll2013-09-121-13/+45
| | | | | | | | 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>
* Continue conversion to using scoped valuesLars Knoll2013-09-111-10/+75
| | | | | | | | | | | This converts all methods in qv4runtime_p.h to not use raw values in arguments anymore. The conversion of return values will be done in a separate commit. Change-Id: Ie6e8f3bed459d09cb831f7f87920b7eada161502 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Restructure source codeLars Knoll2013-08-081-0/+403
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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