Commit Graph

34 Commits

Author SHA1 Message Date
Simon Hausmann faf13a3aa0 Ported most ExecutionEnginew::new* factory methods away from Returned<T>
We don't need Returned<T> anymore with the QV4:: vs. Heap:: separation.
Eliminating Returned<T> simplifies also some code.

Change-Id: Ic2a9cd3c1a94f2ea37b539d3984d63997121c2b9
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
2014-11-12 17:55:57 +01:00
Lars Knoll 31084c37f6 Convert methods in RuntimeHelpers to take an engine pointer
This is safer and cleaner than to use a context pointer.

Change-Id: Id5ef4e6667571897cd029125a0bdc18ce299da6d
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2014-11-12 12:13:26 +01:00
Lars Knoll b340caa0d3 Get rid of Members and directly store MemberData::Data pointers
And do the same change for ArrayData.

Change-Id: Ia1ae56bd0ff586c9b987e15af7a53f395a37054a
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2014-11-07 02:00:05 +01:00
Lars Knoll 6f6b350976 Cleanup header file dependencies
Change-Id: Ibb4658576a98b53de2eac2474ce4d5b9eb83b6ae
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2014-11-04 20:17:23 +01:00
Jani Heikkinen e7ceacda70 Update license headers and add new licenses
- 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>
2014-08-25 11:28:46 +02:00
Lars Knoll b11ec08570 Move Managed data into it's own subclass
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>
2014-07-22 13:48:54 +02:00
Simon Hausmann a885d10a02 Extend the QML bootstrap library by the IR builders
This is among other things needed to fix the qml import scanner to detect
dependencies from .js files correctly.

The patch also fixes the use of Q_QML_EXPORT towards Q_QML_PRIVATE_EXPORT
where appropriate and corrects the wrong include path for the double conversion
code to actually be relative to the file it is included from. This worked by
accident because of other include paths present in the build.

Change-Id: I338583dad2f76300819af8ab0dae8e5724c84430
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
2014-04-23 21:16:46 +02:00
Lars Knoll 8ed6c62dc7 Cleanup our runtime methods
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>
2014-03-11 08:37:01 +01:00
Lars Knoll b8bb8d7526 Simplify some runtime code
Simpler code and delivers the same performance.

Change-Id: Ifd0398f0c123f4c21998f518574cf74cd7cf7e09
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2014-02-22 10:11:06 +01:00
Lars Knoll 843202b608 Move PersistenValue and WeakValue into it's own file
They deserve having their own set of files, and it helps
reduce dependencies.

Change-Id: Ifd4394f88ef51cbccc61bf92dd20636f570141d9
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2014-02-05 18:29:23 +01:00
Lars Knoll bca28cb0d0 Disentangle some includes
ScopedValue should require less dependencies. Hopefully we can then
move it together with the main class definition at some point (ie.
move ScopedValue int qv4value_p.h; similar for the other types).

Change-Id: Ie7b31715cb718a90dba40845c7ae785a29855062
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2014-01-31 11:13:48 +01:00
Lars Knoll 9306c05dd1 Encapsulate the current context and fix it's usage
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>
2013-12-04 09:45:50 +01:00
Lars Knoll 025365f1dc Refactor marking GC'ed objects
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>
2013-11-05 18:54:51 +01:00
Lars Knoll 25fbdfc66f Fix the remaining try/catch statements in C++
Change-Id: I2421dc48fb271b66bd476fb16a32a88fcc4c5177
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2013-10-29 10:39:04 +01:00
Lars Knoll 40db24351b Smaller cleanups
Change-Id: I0a7eee96ef7c92ad4a3c5963010e3ac66fe6ed3a
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2013-10-11 08:56:26 +02:00
Simon Hausmann 7d9780b630 Cleanup exception handling
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>
2013-10-03 09:24:41 +02:00
Simon Hausmann c860d1399b Change exception handling API
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>
2013-10-02 16:07:33 +02:00
Lars Knoll d2e2a5b59c Remove Value::fromString()
replaced with call to the GC safe ExceutionEngine::newString()
method.

Change-Id: I7258296e75ca724ff42b94a0d147bc33a05f8f68
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2013-09-28 13:33:46 +02:00
Lars Knoll 150731fc68 Remove more direct QV4::Value usage
Remove Value::fromString(String *), and make
Encode safe against encoding raw Managed * pointers.

Change-Id: Ibca4668e1cbeaf85c78169d14386281659d33ef6
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2013-09-28 13:33:39 +02:00
Lars Knoll 4d40fa24c3 Move Value::toInteger(double) and related to Primitive
Also clean up a few other direct uses of Value

Change-Id: Ie27d42c1b31b9e6d16d0a60071cb5e4e1c5b9e8b
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2013-09-28 13:33:32 +02:00
Lars Knoll 12fd2ccd3f Fix Persistent/WeakValue API
Don't use unprotected Values in the API anymore.

Change-Id: I8851628227fca374de24701bc8ee0908b5ae3923
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2013-09-26 09:05:16 +02:00
Lars Knoll 21198a6761 Don't use Value::emptyValue() anymore.
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>
2013-09-22 01:06:20 +02:00
Lars Knoll e441692b0b Further work towards an exact GC
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>
2013-09-22 01:06:20 +02:00
Lars Knoll 4241a55836 Fix handling of empty Values
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>
2013-09-18 13:14:52 +02:00
Lars Knoll 87f475cbdb Refactor our NaN boxing to be more efficient
* 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>
2013-09-18 13:14:21 +02:00
Lars Knoll 43cdae853b Optimize some runtime methods
This prings performance up by ~25% again.

Change-Id: I680466e11b722b2eac0edda0fe4199b717d23855
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2013-09-18 13:14:16 +02:00
Lars Knoll 19f7850176 Convert methods in qv4runtime to use Returned<X>
Change-Id: I1f68ecb298b049f3fa90de26b4b39233d48fb8e0
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2013-09-18 13:14:05 +02:00
Lars Knoll 49aead7f23 Extend the ReturnedValue mechanism to pointers to Managed objects
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>
2013-09-18 13:14:03 +02:00
Lars Knoll bdb27b96ac Use ReturnedValue for Managed::get().
Change-Id: Ia8f35d227b69d32e1f6a041283abbbd083aa34ca
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2013-09-18 13:13:33 +02:00
Lars Knoll d6837e9ca3 Rename QV4::ValueScope to QV4::Scope
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>
2013-09-18 13:13:23 +02:00
Lars Knoll 1a2a83f80b Use a ReturnedValue for Managed::call()
Change-Id: Ief2d75e9789dd367c603d90dc0fe5316a0d055e3
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
2013-09-18 13:13:18 +02:00
Lars Knoll a723c7ae75 Use a ReturnedValue when converting to String or Object
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>
2013-09-12 21:52:00 +02:00
Lars Knoll 262d726103 Continue conversion to using scoped values
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>
2013-09-11 13:02:23 +02:00
Lars Knoll 3288b87e2f Restructure source code
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>
2013-08-08 12:22:30 +02:00