From 6a216bd820eddf64003bb525a849abe62a733807 Mon Sep 17 00:00:00 2001
From: Lars Knoll <lars.knoll@theqtcompany.com>
Date: Sun, 26 Apr 2015 10:56:38 +0200
Subject: Get rid of StringValue usage in QJSValueIterator

Change-Id: I86badf9944b335041d16423be9a5434d1098cbb0
Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
---
 src/qml/jsapi/qjsvalueiterator.cpp | 23 ++++++++++-------------
 src/qml/jsapi/qjsvalueiterator_p.h |  4 ++--
 2 files changed, 12 insertions(+), 15 deletions(-)

(limited to 'src/qml/jsapi')

diff --git a/src/qml/jsapi/qjsvalueiterator.cpp b/src/qml/jsapi/qjsvalueiterator.cpp
index 1ee4121f5c..2b9de0124b 100644
--- a/src/qml/jsapi/qjsvalueiterator.cpp
+++ b/src/qml/jsapi/qjsvalueiterator.cpp
@@ -52,9 +52,6 @@ QJSValueIteratorPrivate::QJSValueIteratorPrivate(const QJSValue &v)
     QV4::Scope scope(e);
     QV4::ScopedObject o(scope, QJSValuePrivate::getValue(&v));
     iterator.set(e, e->newForEachIteratorObject(o));
-
-    currentName = (QV4::String *)0;
-    nextName = (QV4::String *)0;
 }
 
 
@@ -103,7 +100,7 @@ QJSValueIterator::QJSValueIterator(const QJSValue& object)
     it->d()->it.flags =  QV4::ObjectIterator::NoFlags;
     QV4::ScopedString nm(scope);
     it->d()->it.next(nm.getRef(), &d_ptr->nextIndex, &d_ptr->nextProperty, &d_ptr->nextAttributes);
-    d_ptr->nextName = nm;
+    d_ptr->nextName.set(v4, nm.asReturnedValue());
 }
 
 /*!
@@ -125,7 +122,7 @@ bool QJSValueIterator::hasNext() const
     QV4::Value *val = QJSValuePrivate::getValue(&d_ptr->value);
     if (!val || !val->isObject())
         return false;
-    return !!d_ptr->nextName || d_ptr->nextIndex != UINT_MAX;
+    return d_ptr->nextName.as<QV4::String>() || d_ptr->nextIndex != UINT_MAX;
 }
 
 /*!
@@ -153,8 +150,8 @@ bool QJSValueIterator::next()
     QV4::Scoped<QV4::ForEachIteratorObject> it(scope, d_ptr->iterator.value());
     QV4::ScopedString nm(scope);
     it->d()->it.next(nm.getRef(), &d_ptr->nextIndex, &d_ptr->nextProperty, &d_ptr->nextAttributes);
-    d_ptr->nextName = nm;
-    return !!d_ptr->currentName || d_ptr->currentIndex != UINT_MAX;
+    d_ptr->nextName.set(v4, nm.asReturnedValue());
+    return d_ptr->currentName.as<QV4::String>() || d_ptr->currentIndex != UINT_MAX;
 }
 
 /*!
@@ -168,8 +165,8 @@ QString QJSValueIterator::name() const
     QV4::Value *val = QJSValuePrivate::getValue(&d_ptr->value);
     if (!val || !val->isObject())
         return QString();
-    if (!!d_ptr->currentName)
-        return d_ptr->currentName->toQString();
+    if (QV4::String *s = d_ptr->currentName.as<QV4::String>())
+        return s->toQString();
     if (d_ptr->currentIndex < UINT_MAX)
         return QString::number(d_ptr->currentIndex);
     return QString();
@@ -192,7 +189,7 @@ QJSValue QJSValueIterator::value() const
     if (!obj)
         return QJSValue();
 
-    if (!d_ptr->currentName && d_ptr->currentIndex == UINT_MAX)
+    if (!d_ptr->currentName.as<QV4::String>() && d_ptr->currentIndex == UINT_MAX)
         return QJSValue();
 
     QV4::ScopedValue v(scope, obj->getValue(*obj, &d_ptr->currentProperty, d_ptr->currentAttributes));
@@ -214,8 +211,8 @@ QJSValueIterator& QJSValueIterator::operator=(QJSValue& object)
     d_ptr->value = object;
     d_ptr->currentIndex = UINT_MAX;
     d_ptr->nextIndex = UINT_MAX;
-    d_ptr->currentName = (QV4::String *)0;
-    d_ptr->nextName = (QV4::String *)0;
+    d_ptr->currentName.clear();
+    d_ptr->nextName.clear();
     QV4::ExecutionEngine *v4 = d_ptr->iterator.engine();
     if (!v4) {
         d_ptr->iterator.clear();
@@ -229,7 +226,7 @@ QJSValueIterator& QJSValueIterator::operator=(QJSValue& object)
     it->d()->it.flags =  QV4::ObjectIterator::NoFlags;
     QV4::ScopedString nm(scope);
     it->d()->it.next(nm.getRef(), &d_ptr->nextIndex, &d_ptr->nextProperty, &d_ptr->nextAttributes);
-    d_ptr->nextName = nm;
+    d_ptr->nextName.set(v4, nm.asReturnedValue());
     return *this;
 }
 
diff --git a/src/qml/jsapi/qjsvalueiterator_p.h b/src/qml/jsapi/qjsvalueiterator_p.h
index c17fedf73e..0f5f98dd86 100644
--- a/src/qml/jsapi/qjsvalueiterator_p.h
+++ b/src/qml/jsapi/qjsvalueiterator_p.h
@@ -51,12 +51,12 @@ public:
     // ### GC
     QV4::Property currentProperty;
     QV4::PropertyAttributes currentAttributes;
-    QV4::StringValue currentName;
+    QV4::PersistentValue currentName;
     uint currentIndex;
     // ### GC
     QV4::Property nextProperty;
     QV4::PropertyAttributes nextAttributes;
-    QV4::StringValue nextName;
+    QV4::PersistentValue nextName;
     uint nextIndex;
 };
 
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