| Commit message (Collapse) | Author | Age | Files | Lines |
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Calling Qt.binding() on a bound function object is a valid use
case and used to work until Qt 5.8.
The problem was that we optimized the code in QQmlBinding and
QQmlJavascriptExpression to directly work on a QV4::Function,
so this wouldn't work anymore.
To fix this make sure recursive calls to Function.bind() are
unrolled (so that the BoundFunction's target is never a bound
function itself), then add the bound function as an optional
member to the QQmlBinding and use it's bound arguments if
present.
Task-number: QTBUG-61927
Change-Id: I472214ddd82fc2a1212efd9b769861fc43d2ddaf
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Stringify::JA takes an ArrayObject* but it merely gets the length
property and does indexed get calls. Those work also on array-like
objects such as our sequence wrappers.
Task-number: QTBUG-45018
Change-Id: I4ec4f89a2e09c918fbc2ff1d48ae5915e67ce280
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Commit 86702c3be53fda404ebe331207f9062675c952e0 and
e2218f8b5c527a6da52ae4dc8a381b3ff68d3cd0 were submitted directly to the
5.9 and 5.6 branches. As the problem does not exist per-se in 5.11 there
is no fix required. This commit only adds the test coverage for this
issue to avoid regressing.
Change-Id: Ic5f5d56f52f3855d20755f771804025f8a93acd9
Task-number: QTBUG-66832
Reviewed-by: Erik Verbruggen <erik.verbruggen@qt.io>
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Ask expected, this passes currently. The this object is set to the scope
object in QQmlJavaScriptExpression::evaluate, which
QQmlBoundSignalExpression::evaluate calls.
Task-number: QTBUG-66942
Change-Id: I16a709768f9c798910377a52b5e882bb6d554a5f
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
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From now on we prefer nullptr instead of 0 to clarify cases where
we are assigning or testing a pointer rather than a numeric zero.
Also, replaced cases where 0 was passed as Qt::KeyboardModifiers
with Qt::NoModifier (clang-tidy replaced them with nullptr, which
waas wrong, so it was just as well to make the tests more readable
rather than to revert those lines).
Change-Id: I4735d35e4d9f42db5216862ce091429eadc6e65d
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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This might not be the most useful thing to have, but it's part of JS, so
we better handle it.
Task-number: QTBUG-66027
Change-Id: Ib40c90515a3ffd1d065d962d6c79a5e3960e2703
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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CONSTANT properties are by nature non-NOTIFYable.
The issue behind the regression is caused by the fact that we were
capturing a property regardless of whether or not it was const.
There were two states that captureRequired was expressing:
true: We're reading the property of a QObject, and we're not quite sure
where the QObject comes from or what it is. So, when reading that
property at run-time, make sure that we capture where we read that
property so that if it changes we can re-evaluate the entire
expression.
false: We're reading the property of a QObject, and we know that it's
the scope object or context object, which we know very well. Instead of
registering a property capture every time, we can do that ahead of time
and then register all those captures in one shot in
registerQmlDependencies().
There is a third state that is only relevant when captureRequired is
false: We're reading a property from the scope or context object, but
it's a CONSTANT property, so we don't need to register a dependency
at all.
This patch adds replaces captureRequired with the PropertyCapturePolicy
enum, which accounts for the third state and, as a bonus, makes the
code easier to understand.
Task-number: QTBUG-66361
Change-Id: I6cef1deb76538fbdacf1324b4467403dd40dd7de
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Conflicts:
src/imports/shapes/qquickshape.cpp
src/imports/shapes/qquickshape_p_p.h
src/qml/compiler/qqmlpropertycachecreator_p.h
src/qml/jsruntime/qv4value_p.h
src/quick/items/qquickloader_p.h
tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
tools/qmlprofiler/qmlprofilerapplication.cpp
Change-Id: Iafc66ae84bf78630ed72a986acb678e9d19e3a69
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Change-Id: I3b250545e334f50dcef1a75acdef51820d34079a
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The idea of NaN boxing is to use one single NaN as a "true" NaN, and all
others as a boxed value. So when encoding some NaN, be sure to use that
one "true" NaN. Otherwise, it will be interpreted as an encoded value.
Task-number: QTBUG-65998
Change-Id: Ia6e4641be180f3d626c40a57b473f181358e04db
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Change-Id: Idde38761897f078cd9957f01d34a9751217e4c53
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When a C++ singleton has an enum with the value -1, we would expose that
value correctly when taking the accelerated property access code path in
the optimizer, but when going through the slower QQmlTypeWrapper we
would return undefined. This turned out to be a silly logic error that
assumed that -1 is not a valid value for an enum and instead indicates
an enum value not present.
[ChangeLog][Qml] Fix -1 as enum value in QML exposed C++ singletons
showing up as undefined.
Task-number: QTBUG-66067
Change-Id: Ib66dad7a4b59822b2c40ad6bd9af4b72469582e9
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Michael Brasser <michael.brasser@live.com>
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As QJSEngine's handle() method is internal, we can redefine it to return
a pointer to an ExecutionEngine. That makes many things easier.
Change-Id: Ie3df99e0bad5f00ad4fe73182896cd135fa82994
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Task-number: QTBUG-65140
Change-Id: I6c6b24f081b31ef0f16fec9b2024485acec11c2d
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Change-Id: Icc2ca6c5cdb259e415abd7a6b43a0e8b0b142af5
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Remove code for older versions and streamline #ifdefs.
Remove the helpers macros Q_STATIC_ASSERT_FOR_SANE_COMPILERS
and V4_ASSERT_IS_TRIVIAL.
Task-number: QTBUG-40658
Task-number: QTBUG-51673
Change-Id: Ifa4fab653b10ce7858739adef08364cddc6507cf
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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When iterating over an object using an for-in loop, the value for the
next iteration should be assigned in the body of the loop. This means
that after the loop, the value of the last iteration is still assigned
to that variable, not null (which marks the end of the iterable values).
Task-number: QTBUG-65104
Change-Id: Icbddbc67723719005120587bcdc63dcdfa52b67f
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Conflicts:
src/qml/compiler/qv4isel_moth.cpp
src/qml/compiler/qv4jsir_p.h
src/qml/jsruntime/qv4engine_p.h
src/qml/jsruntime/qv4vme_moth.cpp
tests/auto/qml/qml.pro
Change-Id: Ia7b6ec24c7fcbcbb1786d9e798d2df294020ae37
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Avoid allocations on the JS stack if possible
Change-Id: I344cd6dceb6264314f9d22c94db22b22d1d24d14
Reviewed-by: Erik Verbruggen <erik.verbruggen@qt.io>
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Change-Id: Ic53532edae9a209aa7125af6f00a9d993d74f1a3
Reviewed-by: Erik Verbruggen <erik.verbruggen@qt.io>
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Change-Id: I6b99e9a7102b3dcb6a7699f54b6456eba6248699
Reviewed-by: Erik Verbruggen <erik.verbruggen@qt.io>
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As, this is going to change in a simple stack based structure
to keep pointers to the data to pass to calls.
Change-Id: Ia9aa3f81ee3eeba36affd16aac7b2fe97d59aea9
Reviewed-by: Erik Verbruggen <erik.verbruggen@qt.io>
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Truncating it can lead to all sorts of crazy side effects, especially
as we'd be extending it again when leaving the function. When that happens
already freed JS objects could suddenly become visible to the GC again.
Fix this by copying the CallData to set up a new stack frame. This is not yet
ideal, as we're copying too much data, but that can be fixed separately.
Change-Id: I02a39ce479475bae326f9eddfe6654fbcf8e6d35
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Conflicts:
src/qml/compiler/qv4codegen.cpp
src/qml/compiler/qv4compileddata.cpp
src/qml/compiler/qv4compileddata_p.h
src/qml/compiler/qv4isel_moth_p.h
src/qml/compiler/qv4ssa.cpp
src/qml/jit/qv4assembler_p.h
src/qml/jit/qv4isel_masm_p.h
src/qml/jit/qv4regalloc.cpp
src/qml/jsruntime/qv4engine.cpp
src/qml/jsruntime/qv4qmlcontext_p.h
src/qml/jsruntime/qv4regexp.cpp
src/qml/jsruntime/qv4regexp_p.h
src/qml/jsruntime/qv4regexpobject.cpp
src/qml/jsruntime/qv4runtime.cpp
src/qml/jsruntime/qv4vme_moth.cpp
src/qml/qml/v8/qqmlbuiltinfunctions.cpp
tests/auto/qml/qml.pro
tests/auto/qml/qmlplugindump/tst_qmlplugindump.cpp
tools/qmlcachegen/qmlcachegen.cpp
Change-Id: I1577e195c736f3414089036b957a01cb91a3ca23
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Consider the following functions:
function f(x) {
return x + (++x)
}
function g(x) {
return x + x
}
In f() it is not correct to delay the load of x on the left-hand side of
the + operator, while in g() it is. The reason is that calculating the
right-hand side of the + operator in f() will change the value of x.
So, if an argument is written to in an expression in a statement, it
cannot be delay-loaded. The same is true for member/field accesses,
because the accessors can be overwritten and do anything.
Change-Id: I5bed4b0d03919edc1c94a82127e2dd705fc1d9b1
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Renamed ScopedCallData to JSCall, enforced passing a JS
FunctionObject to it, and added call() and callAsConstructor()
methods to it.
Change-Id: I30db65c9765c2896b5909fe2105c0934c6dad861
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Change-Id: I9ae42aa7a811aa93fe0950725e9d253a0c5e8dba
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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This will allow us to further cut down on function call
overhead. To make this work, introduce a proper distinction
between EvalCode and GlobalCode and use the correct
compilation mode in all places.
Change-Id: I070621142159b7416026347c9239200c5ed7a56b
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Change those back again to return a value. This will be required
to avoid creation of Scope objects between JS function calls.
Change-Id: I05cb5cf8fd0c13dcefa60d213ccd5983fab57ea3
Reviewed-by: Erik Verbruggen <erik.verbruggen@qt.io>
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Change-Id: I28a32af7f1c306a3002d47025a842475f848c1a4
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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ECMA-262 stipulates that date-only formats should be treated as UTC,
while date-times are handled as standard time, if no time zone is
explicitly given. Tidied up the parser a bit in the process and
documented what the spec says. Fixed some broken test-cases.
Handling of date-times without zone as local time is a correction
since edition 5.1 of ECMA-262 (which said to handle it as UTC):
http://www.ecma-international.org/ecma-262/7.0/index.html#sec-corrections-and-clarifications-in-ecmascript-2015-with-possible-compatibility-impact
We were previously handling both dates and date-times as local time,
violating the old spec for both and the revised spec for dates.
Task-number: QTBUG-56787
Change-Id: I557789d855b910ca6a859fca396af1a0205c9417
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Conflicts:
src/qml/compiler/qv4compileddata.cpp
src/qml/compiler/qv4compileddata_p.h
src/qml/jsruntime/qv4engine.cpp
src/qml/jsruntime/qv4qmlcontext.cpp
src/qml/jsruntime/qv4qmlcontext_p.h
src/qml/jsruntime/qv4regexpobject.cpp
src/qml/jsruntime/qv4regexpobject_p.h
src/qml/types/qqmllistmodel.cpp
src/quick/items/qquickanimatedimage_p.h
src/quick/scenegraph/qsgrenderloop.cpp
tests/auto/qml/qmlcachegen/tst_qmlcachegen.cpp
Change-Id: If20ef62b2c98bdf656cb2f5d27b1897b754d3dc0
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We've seen the case in the CI where we delete the worker thread object
before it has had a chance (resulting in a crash). This patch attempts
to stabilize this by waiting for the thread to terminate properly.
In addition QSignalSpy's connection to the done(QString) signal is
forced to be direct, which means the spy's internal list is accessed
from the gui thread (via QCOMPARE) at the same time as the thread may be
emitting the signal and calling the signalspy's slot (metacall), which
helgrind complains about (rightly so).
I don't see any purpose in connecting to the signal, so let's remove
that code. The test continues to cover the threading code in
QQmlData::signalEmitted, once as the thread is triggered via C++ and
once via QML (doIt invocation).
Change-Id: I5e8a4ae65e2d0890a26491d25c73de1ba33a6668
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
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Change-Id: I61ab3d0bd8cc02f640c60c037226eace09ec09ba
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The behavior here was always incorrect: type names must start with
an uppercase letter, so querying the type name cache with a lowercase
string is wrong.
However, this was turned into a larger problem by making more extensive use of
QQmlTypeNameCache in e74a1d0b342f2c95dc3a543c8c9ec07fd52d8fe0, as it
contained a lot of new types (including composite types, which
previously were only in the cache if they were singletons).
Task-number: QTBUG-60547
Change-Id: I40be2d535e99d3e1af250d995d7149ecbe2965d7
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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That poor Q looked so lonely.
Change-Id: I29a0aa0574fefa5be8ffaa9857e03500c914c830
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Change-Id: I71275a2076c3d32ee2896571be882067320a2e9e
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Conflicts:
src/qtqmlglobal.h
src/qtqmlglobal_p.h
src/jsruntime/qv4global_p.h
src/qml/compiler/compiler.pri
src/qml/compiler/qv4ssa.cpp
src/qmldevtools/qtqmldevtoolsglobal_p.h
tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
Change-Id: I55c5d015b2cb1053b83b9c61caaf004fb49ee486
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Loops consisting of just a single basic block (e.g. a do-while loop with
no nested loops or if statements) have a back-edge to themselves. There
were 2 problems:
- loop detection would create LoopInfo for any loop header referred to
by blocks inside the loop (and a 1 block loop doesn't have body
blocks), nor would it mark the loop header as such
- when splitting critical edges, the newly inserted block would not be
marked as part of the loop
This is a problem specifically for 1 block loops: the block ends with
a CJUMP, so the back-edge is a critical edge. So the new block inserted
by edge splitting wouldn't be marked as belonging to the loop.
The end result was that the life-time intervals for temporaries that
are defined before the loop, but that are used inside the loop, and not
after the loop, would have their life-time ended before the loop ends
(instead of spanning the whole loop, *including* the back-edge). This
in turns could lead to the stack/register allocator re-using the storage
for that temporary, resulting in strange things happening.
Task-number: QTBUG-59012
Change-Id: Ic946c73913711272efea2151cb85350412ca2fde
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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[ChangeLog][QtQml] The instanceof keyword in JavaScript has been
extended to work on QML types and instances. This means that you are now
able to use it to verify that a var is indeed the type you expect (e.g.
someVar instanceof Rectangle).
Note that one of the added tests revealed a slight shortcoming in the
QML type system (QTBUG-58477). For now, we should keep consistency and
work to address the problem universally in the future.
Change-Id: I7d9bf9b64cfd037908de1ae51b01065eacb95abe
Task-number: QTBUG-24799
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Change-Id: I92b13a9c1727644d63e125c1e6f1fdac72720ad7
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A method and a property can have the same name in a QObject. This is
not directly expressible in a JS object, but when iterating the
properties of a wrapped QObject we should not look them up by name as
we might find the wrong one this way. However, as we already know what
we are looking for, there is no need for any further searching anyway.
Task-number: QTBUG-58887
Change-Id: I68574008c7a078baab9b343d550cc27956b0d5a9
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Change-Id: I372850330c1d92edc5b07596759f0db3a59082a8
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Revealed by the ES6 testsuite, ./test/built-ins/Object/freeze/15.2.3.9-2-1.js
and probably others. We cannot unconditionally dereference memberData,
it may not always exist.
ES6 tests test/built-ins/Object/freeze before:
=== Summary ===
- Ran 92 tests
- Passed 66 tests (71.7%)
- Failed 26 tests (28.3%)
after:
=== Summary ===
- Ran 92 tests
- Passed 90 tests (97.8%)
- Failed 2 tests (2.2%)
Change-Id: I22a6c9ca081394ba15edfde09f73769eb3ce47b3
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Furthermore, some of the ES6 tests do check for this behavior (this
fixes at least 9 of the tests in /test/built-ins/Object/, maybe more
elsewhere).
createMutableBinding used hasProperty(String*) to determine whether or
not it needs to actually define a property, which checks the prototype
chain.
This would be fine, but when writing values to properties, we used find() on
the InternalClass (which is equivilent to Object::hasOwnProperty), which
would fail as the property doesn't "really" exist on the object, it's somewhere
in the prototype chain. Thus, we'd incorrectly throw an exception in strict mode.
I see no regressions in ES5 from this change.
Change-Id: I3b097306f220a891955ec11eea860264746bc0ee
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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We also tie this up to the existing skeletal "const" support so that they
are also checked for duplicate declarations.
While we do that, change from using a boolean to an enum so we make the scope of
a declaration a little more easily comprehensible.
Change-Id: I6a6e08aed4e16a53690d6f6bafb55632807b6024
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Spec 13.3.1.1 (Static Semantics: Early Errors) says:
It is a Syntax Error if the BoundNames of BindingList contains any
duplicate entries.
Only let/const are supposed to be treated in this way, so we ensure that
one of them has been marked read-only (since we don't support "let"
yet).
There's still no runtime check on assigning to a constant-declared variable.
[ChangeLog][QtQml] "const" variable declarations now throw a SyntaxError if
multiple attempts to declare the same variable name are found. Note that
"const" is still not fully spec-compliant (i.e. reassignment at runtime is
not disallowed).
Task-number: QTBUG-58493
Change-Id: I31fd5f2bf3e79d48734e8ecb714c4e7f47e31d2a
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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This seems to match up with the spec behavior. 13.3.1.1 (Static Semantics:
Early Errors) says:
It is a Syntax Error if Initializer is not present and IsConstantDeclaration
of the LexicalDeclaration containing this production is true.
In addition, we also allow "const" to be used in JS mode too. We don't
yet fully support the semantics, but as it's there, why not let it work.
[ChangeLog][QtQml] "const" variable declarations are now available in JS
as well as QML mode.
[ChangeLog][QtQml] "const" variable declarations now require an
initializer, bringing them closer to the required spec behavior.
Task-number: QTBUG-58493
Change-Id: Ife5d5979b3e7a5d7340bf04f43605f847ee25ee2
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
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Conflicts:
src/quick/util/qquickutilmodule.cpp
tools/qmllint/main.cpp
Change-Id: Ic2283f88c293ca7fc776de3e83eb4c7812309d8a
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After commit 0e3380f9c6ab6e3ea7398caccf5aa84f1575f1cd we wouldn't crash
anymore, if QJSValue::UndefinedValue was provided as value for a
QJSValue C++ signal parameter. However that was not a complete fix for
the regression of commit aa869cbb06bcf005e238059a2cb0205947ff0b5f, as
other primitive values stored in QJSValue as QVariant were not
converted, so for example QJSValue(42). So let's fix this once and for
all by using QJSValuePrivate::valueForData, that handles all types of
QJSValuePrivate encodings.
Task-number: QTBUG-58133
Change-Id: Ib7c0461b18df6260ccd4bce729ae2348281eb7f3
Reviewed-by: Arnaud Vrac <avrac@freebox.fr>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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