QML: Make mapping of sequence object in JS optional

qv4sequenceobject.o is the largest single object in QtQml.so. This is
probably due to template and macro explosion. Not everyone will want to
pay this price to have Qt containers natively available in JS.

Change-Id: I7dc64566a653c865d5c1b6e4f21a3a9089db100a
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/qml/jsruntime/qv4serialize.cpp b/src/qml/jsruntime/qv4serialize.cpp
index 14def49d0a..9bb226a1af 100644
--- a/src/qml/jsruntime/qv4serialize.cpp
+++ b/src/qml/jsruntime/qv4serialize.cpp
@@ -46,7 +46,9 @@
 #include <private/qv4value_p.h>
 #include <private/qv4dateobject_p.h>
 #include <private/qv4regexpobject_p.h>
+#if QT_CONFIG(qml_sequence_object)
 #include <private/qv4sequenceobject_p.h>
+#endif
 #include <private/qv4objectproto_p.h>
 #include <private/qv4qobjectwrapper_p.h>
 
@@ -83,7 +85,9 @@ enum Type {
     WorkerDate,
     WorkerRegexp,
     WorkerListModel,
+#if QT_CONFIG(qml_sequence_object)
     WorkerSequence
+#endif
 };
 
 static inline quint32 valueheader(Type type, quint32 size = 0)
@@ -239,6 +243,7 @@ void Serialize::serialize(QByteArray &data, const QV4::Value &v, ExecutionEngine
         // No other QObject's are allowed to be sent
         push(data, valueheader(WorkerUndefined));
     } else if (const Object *o = v.as<Object>()) {
+#if QT_CONFIG(qml_sequence_object)
         if (o->isListType()) {
             // valid sequence.  we generate a length (sequence length + 1 for the sequence type)
             uint seqLength = ScopedValue(scope, o->get(engine->id_length()))->toUInt32();
@@ -256,6 +261,7 @@ void Serialize::serialize(QByteArray &data, const QV4::Value &v, ExecutionEngine
 
             return;
         }
+#endif
 
         // regular object
         QV4::ScopedValue val(scope, v);
@@ -369,6 +375,7 @@ ReturnedValue Serialize::deserialize(const char *&data, ExecutionEngine *engine)
         agent->setEngine(engine);
         return rv->asReturnedValue();
     }
+#if QT_CONFIG(qml_sequence_object)
     case WorkerSequence:
     {
         ScopedValue value(scope);
@@ -387,6 +394,7 @@ ReturnedValue Serialize::deserialize(const char *&data, ExecutionEngine *engine)
         QVariant seqVariant = QV4::SequencePrototype::toVariant(array, sequenceType, &succeeded);
         return QV4::SequencePrototype::fromVariant(engine, seqVariant, &succeeded);
     }
+#endif
     }
     Q_ASSERT(!"Unreachable");
     return QV4::Encode::undefined();