Optimized QDeclarativeScriptString constructor for QDeclarativeExpression.

When the compiler sees a script string, it will attempt to rewrite it
and store the id for the rewrite in the script string. We can then
create a QDeclarativeExpression using the id, which saves us a rewrite
at runtime.

Reviewed-by: Aaron Kennedy

1 files changed, 2 insertions, 0 deletions

diff --git a/src/declarative/qml/qdeclarativeexpression.h b/src/declarative/qml/qdeclarativeexpression.h
index fef97de2b2..b76205c82e 100644
--- a/src/declarative/qml/qdeclarativeexpression.h
+++ b/src/declarative/qml/qdeclarativeexpression.h
@@ -43,6 +43,7 @@
 #define QDECLARATIVEEXPRESSION_H
 
 #include <QtDeclarative/qdeclarativeerror.h>
+#include <QtDeclarative/qdeclarativescriptstring.h>
 
 #include <QtCore/qobject.h>
 #include <QtCore/qvariant.h>
@@ -66,6 +67,7 @@ class Q_DECLARATIVE_EXPORT QDeclarativeExpression : public QObject
 public:
     QDeclarativeExpression();
     QDeclarativeExpression(QDeclarativeContext *, QObject *, const QString &, QObject * = 0);
+    explicit QDeclarativeExpression(const QDeclarativeScriptString &, QObject * = 0);
     virtual ~QDeclarativeExpression();
 
     QDeclarativeEngine *engine() const;