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* Use Q_ASSERT instead of assertLars Knoll2014-03-191-1/+0
| | | | | Change-Id: I6185b59a7dfd6977ce82581ab4385e07d78f13f6 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Split ManagedVTable into two classesLars Knoll2014-01-211-18/+18
| | | | | | | | 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>
* Move Managed::type and some flags into the vtableLars Knoll2014-01-031-5/+0
| | | | | | | | | | | | | 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 Knoll2013-12-041-6/+0
| | | | | | | | | | | 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>
* Move the vtable pointer from the object to the internal classLars Knoll2013-12-041-14/+14
| | | | | | | | 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 Knoll2013-11-091-2/+2
| | | | | | | | | 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>
* Refactor marking GC'ed objectsLars Knoll2013-11-051-3/+3
| | | | | | | | | | | 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 various compiler warnings in order to remove warn_off in the near futureErik Verbruggen2013-11-041-1/+1
| | | | | Change-Id: Ic0492fbe31a1e134674bc6c20381f735dd6d5b7a Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Avoid side effects when en exception has been thrown.Lars Knoll2013-10-291-2/+2
| | | | | | | | | | | | | | 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>
* Smaller cleanupsLars Knoll2013-10-111-1/+2
| | | | | Change-Id: I0a7eee96ef7c92ad4a3c5963010e3ac66fe6ed3a Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Change exception handling APISimon Hausmann2013-10-021-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* Fix API for Object::define*PropertyLars Knoll2013-09-281-20/+21
| | | | | | | use ValueRef instead of const Value &. Change-Id: I3fd0ca829870db27f036825d713c53dc0600be07 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove Value::fromString()Lars Knoll2013-09-281-9/+15
| | | | | | | | replaced with call to the GC safe ExceutionEngine::newString() method. Change-Id: I7258296e75ca724ff42b94a0d147bc33a05f8f68 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Fix Value usage in ErrorObjectsLars Knoll2013-09-281-25/+52
| | | | | Change-Id: Iaa14ad5a8d3f085843e49195f8f4bb7bb020b9b6 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove more direct QV4::Value usageLars Knoll2013-09-281-8/+19
| | | | | | | | 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::fromBool, ... to a new Primitive classLars Knoll2013-09-281-10/+10
| | | | | | | | 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 Knoll2013-09-281-2/+2
| | | | | Change-Id: I35f46cce4f243d4b8b2bac9244f8fc26836f413b Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Prevent objects from being collected while in their constructorLars Knoll2013-09-221-9/+20
| | | | | | | | | | | | | While objects are being constructed, we don't have a reference to them on the JS stack yet. So the constructor needs to protect itself against being collected by putting the this object onto the JS stack. Added an environment switch MM_EXACT_GC to test exact garbage collection. Change-Id: Ie37665a954de800359c272ffbebbe1488e7a8ace Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com> Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Use a StringRef for Managed::get()Lars Knoll2013-09-221-3/+4
| | | | | | | | | 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 Knoll2013-09-221-14/+14
| | | | | Change-Id: I99125908a9bc1d41a2642c409af9704def7a0832 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Start using StringRef for parameter passingLars Knoll2013-09-221-1/+1
| | | | | Change-Id: If2c41daeda2862cd1162c5da8163a9d62fe4111d Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Convert some methods to use Returned<>Lars Knoll2013-09-181-1/+1
| | | | | Change-Id: I631606cb5ab3b35b72104e70092a5200dd235fbc Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Convert builtin methods to return a ReturnedValueLars Knoll2013-09-181-4/+4
| | | | | Change-Id: I6b75adbf53a5be0deab023d2eed98ce2a7915551 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Use ReturnedValue for Managed::construct()Lars Knoll2013-09-181-15/+16
| | | | | Change-Id: I9e702d60c4e1b7ba19a699ff7a8d53876d6cd5f7 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>
* Use a ReturnedValue for Managed::call()Lars Knoll2013-09-181-2/+2
| | | | | Change-Id: Ief2d75e9789dd367c603d90dc0fe5316a0d055e3 Reviewed-by: Simon Hausmann <simon.hausmann@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>
* Continue conversion to using scoped valuesLars Knoll2013-09-111-4/+6
| | | | | | | | | | | 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>
* Change signature of call/construct() to take a pointer to a CallDataLars Knoll2013-09-111-16/+16
| | | | | Change-Id: I5467aadba083e4b01fb0a7170946695207033680 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove more usages of Object::setPrototype()Lars Knoll2013-09-021-38/+27
| | | | | Change-Id: I8c49f61bc85e3d98dea90bf05db1a3f22d08f7b1 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Cleanup calls to Object::setPrototype()Lars Knoll2013-09-021-2/+2
| | | | | | | | Rather use the correct internalClass directly when constructing the objects. Change-Id: I8e916f1ce8f83d291c08ca6332fe85b1f57b90b5 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Move prototype pointer into QV4::InternalClassLars Knoll2013-09-021-11/+20
| | | | | | | | | | | | | 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 Knoll2013-09-021-16/+16
| | | | | | | | | | | | 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>
* wince: Build fix, disable the assembler when JIT is disabled.Sérgio Martins2013-08-291-1/+0
| | | | | Change-Id: Ibd22f27401c3751bc64749c6f1eea3aba57d66eb Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Remove QV4::DiagnosticMessageLars Knoll2013-08-201-22/+30
| | | | | | | | | | QQmlError provides the same functionality, so let's rather use that where required. Remove the dependency of codegen onto the ExecutionContext that was only required for error handling. Change-Id: Ib0b61c0e138f89ff989c32996c93c339e4b62223 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
* Restructure source codeLars Knoll2013-08-081-0/+351
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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