| Commit message (Collapse) | Author | Age | Files | Lines |
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* Resolve lookups in namespaces at compile time and instruct the SSA optimizer
to eliminate reads from the namespace (QQmlTypeWrapper) if possible. For example
access to attached properties of types (i.e. MyNameSpace.ListView.isCurrentItem)
requires neither reading the namespace nor the type.
* Add support for accelerated lookup of attached properties
Change-Id: Ib0b66404ed7e70e1d4a46a1ac8218743a4cc8608
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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With this patch we determine the meta-object of singletons, propagate it into
the IR and load them separately using a dedicated run-time function. In
addition enums in singletons and QML types are resolved at compile time.
Change-Id: I01ce1288391b476d1c9af669cb2987a44c885703
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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...instead of a special MEMBER type. This allows removing the
type member from V4IR::Member altogether (and thus unshadow from
V4IR::Expr::type). By not requiring the base of a id lookup
member expression to be a NAME, we can also speed up repeated
id lookups by fetching the id object array wrapper only once
per function.
Change-Id: I3e9b8f498d32ace4a0cc2254f49e02ecc124f79c
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Propagate QObject properties in member expressions across temporaries
as part of the type interference SSA pass. This replaces the earlier
attempt to resolving QObject properties in fieldMemberExpression()
in the codegen, but it was incomplete and now things like the following
are fully resolved:
var tmp = blah.somePropertyThatReturnsAQQuickItem; <-- QQuickItem property return type propagated into tmp
var width = tmp.width; <-- and picked up here again to resolve the index of width instead of by name
With this patch Temp gets a helper structure with a function pointer,
initialized to aid the resolution of properties in Qt meta objects. This
structure is propagated into the temps until it reaches the next member
expression that uses the temp. Similarly QObjectType is added as IR type, next
to VarType.
The resolution inside the SSA type interference pass also requires passing
through the QQmlEngine from the upper caller levels, in order to resolve the
property type to a potential QMetaObject property.
Change-Id: I14c98fa455db57603da46613ce49c174d0944291
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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The previous approach of collecting the dependencies through an IR visitor
doesn't work, because it relies on a fixed structure - for example MEMBER(NAME,
prop) - which we can't guarantee (it's usually MEMBER(TEMP, prop)). But it
turns out that we can only pre-calculate dependencies for context, scope or id
properties, so we can do that right away in the QML specific JS codegen, store
that information in the IR function and use it from there in the data structure
generator as well as in the isel as a parameter to getQObjectProperty to tell
the run-time whether capture is required or not.
Change-Id: I33711c3420d6534c653c2a6a4284f0fc12e941cf
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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When a non strict mode function uses the this object, we
need to make sure it's being correctly converted into a
object before being accessed. So far this was being done
by ScriptFunction::call. Move this into the generated code to
avoid overhead for methods not using 'this', and simplify our
ScriptFunction::call() implementation.
Change-Id: I739f4a89d29ed8082ce59e48d1523776224fc29d
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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The QQmlContextData stores the JS objects of imported scripts in a
QList<PersistentValue>. Instead of indexing into that list, this patch changes
ctxt->importedScripts to be a JavaScript array, that in the IR we can index via
subscript.
Change-Id: Ie2c35fb5294a20a0b7084bb51d19671a27195fec
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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We can resolve the use of names that refer to imported scripts at compile
time and load them at run-time by index through context->importedScripts.
Change-Id: I681b19e7d68dbf3b9a68af00b4cea2a9254c2d78
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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After the resolution of a property, we can set it by index at run-time instead
of via name resolution.
Change-Id: I479599dabe343cf9e6582dcda12291aebfcce418
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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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>
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We can resolve lookups for objects referenced by id at QML compile time
and use a run-time helper to extract the id object out of the QML context
data by index instead of name.
Dependencies to id objects are also tracked at compile time and registered
separately before entering the generated function code.
The lookup of id objects is encoded in the IR as special member lookups.
Members will also then in the future be used to for property lookups in context
and scope properties, as well as any other property lookups in QObjects where
we can determine the meta-object.
Change-Id: I36cf3ceb11b51a983da6cad5b61c3bf574acc20a
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Simplify the generated code. Add a special block to catch
exceptions thrown inside a catch() statement.
store the exception on the stack when entering finally and
rethrow it at the end. This ensure correct behavior for
break/continue/return statements inside finally.
Don't check for exceptions after calling push_catch_scope
and pop_scope in the JIT'ed code. This can lead to infinite
loops when throwing inside an exception handler.
Change-Id: I67e9325794e2fd25b0773b21e02fbaadb43faab0
Change-Id: Ic1ea9c0c43eec1d49177dc1ab4552a1da04e96fe
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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Start the work to remove c++ exceptions from our JS
exception handling. Rather rely on engine->hasException.
Check the flag after we return from any runtime call in the
JIT.
Implement new try/catch handling code in qv4codegen and
for the JIT that doesn't rely on exceptions. As an added
bonus, we can remove the Try statement in the IR.
Change-Id: Ic95addd6ae03371c43c47e04cac26afdce23a061
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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Inplace operations are expanded when building the IR, so the neither the
IR, nor the instruction selection backends or runtime need to handle
them.
Change-Id: Id01f9544e137dd52364cf2ed2c10931c31ddfff3
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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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
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We generate lower level code in codegen and don't use these
runtime methods anymore.
Change-Id: If1023ce5295431305f4528839bcf2a3031fa7ad2
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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Our synthetic exception unwind table for ARM is located at
(char *)codeStart + function->codeSize;
This relies on function->codeSize to contain the number of bytes of
instructions the function has, not the size of the MacroAssemblerCodeRef
(which contains the size of the entire area).
This patch fixes the calculation of function->codeSize and also replaces
the QHash for the IR::Function* -> CodeRef mapping in the masm backend
with a simple vector that's perfectly sufficient.
Bug spotted by Petr Nejedly
Change-Id: I78a53599085c613c6d97aa2490922f54e0bb4f63
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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The goal is to parse QML and JavaScript binding expressions/functions in one
go and generate data structures that allow for the parsing to happen in a thread
and the instantiation of the object tree in another thread, just reading from
the generated data structures. This will replace qqmlcompiler and the VME.
This new way of loading QML is currently hidden behind the QML_NEW_COMPILER=1
environment variable. There's lots of work left to fill in the gaps in object
construction, Component support, Component.onComplete, error messages, etc. etc.
Change-Id: I5e40643cff169f469f0b6ce151584ffee5ca5e90
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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This is needed for QML unit generation, when we share the JS generator
for QML types/strings and JS code.
Change-Id: I50f0c1fa6721d6e3e59417c6c256c82aec124e8f
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Enable the register allocator for X86_64 on Linux and MacOS. The
implications are:
- handle as much as possible with current code with as few changes as
possible
- temporarily force the register allocator to spill unop/binop arguments
to the stack by doing a call in the implementation (as is the current
case), so no change is needed here
- only have loadThis and loadConst handle registers
- have any method that might need to handle registrers actually cope
with them
- the inline versions of binops are not generated, as they cannot cope
with registers. This will change when ISel for binops is added in the
next patch.
This means that we are still running with the handbrakes on, but allow
for full-throttle in certain/limited cases.
Note about the changed test: multiplication always returns a Number
(double), so the operands are passed as doubles, so __qmljs_mul will
return a double. For addition this is different: because it might return
a Number or a String, the operands are passed as whatever fits best. So
__qmljs_add will return an int when both operands are ints. Hence the
change to the tests.
Change-Id: If5bd7dffca8f7de5ba45af700b9c7bb568fc74b7
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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into dev
Conflicts:
src/qml/compiler/qv4codegen.cpp
src/qml/compiler/qv4codegen_p.h
src/qml/compiler/qv4isel_moth.cpp
src/qml/jsruntime/qv4context_p.h
src/qml/jsruntime/qv4functionobject.cpp
src/qml/jsruntime/qv4runtime.cpp
src/qml/jsruntime/qv4runtime_p.h
src/qml/jsruntime/qv4script.cpp
sync.profile
Change-Id: I1d785e2134bffac9553a1c16eed12816cbd1ad2c
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Breaks with visual studio otherwise
Change-Id: I80ce7ec269ad750e3c9a1dcfef980f57cc395461
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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Change-Id: Iadff4974ec6fde25c6586d03d23136ea280f9555
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Change-Id: I58759712624713cd2215621dca4ccc86fa9a9194
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Change-Id: I7c0e50498c937ce554b019f98829fa8c5d96c18e
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Change-Id: I2ead40c5c8c9b12b29c48c387ea424838d1f7d9e
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Change-Id: I21225e4bf0f66914229cf64fa29ce870548c0e93
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Change-Id: I4e37aac3618b20ccd52ce4833098781374a3daf6
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Change-Id: Idf75cd51087ea825f22aabda59661be461fd3b86
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Keep the run-time functions as-is by taking String pointers and use a little
bit of inline assembly to resolve the string ids to string pointers, by
adding a runtimeStrings array pointer next to the lookups in the context
(similar mechanism).
Change-Id: Ib5a70bdf47fef7c447d646ccfe03f3dc30d39f20
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Change-Id: If24b6a761dc2f2443520b31b5130ab44b739cdf3
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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compiled function in the runtime function
Change-Id: I9aed9f394fedc4a4ea334f6ab1b72fe749c64c72
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Change-Id: Idbf278a96624bf101df35de40577b38e593f22be
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Currently disabled for all platforms. Will be enabled step-by-step when
specific platforms get supported.
Change-Id: I144c6c991b1666e1ff752d776bca0a7b57a4fe7c
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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So far we've been creating the arguments object at runtime
in initCallContext(). It's much more efficient to simply add
arguments as a local variable in qv4codegen if it's being used
and initialize it through a builtin method.
Change-Id: I6913f3565adf3aa1917adae8dceef9f50ecf1722
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
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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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