QmlJS: Add a UrlValue.

This will allow distinguishing mere strings from urls and allow
different completion.

Reviewed-by: Erik Verbruggen

src/libs/qmljs/qmljsinterpreter.cpp

@@ -868,9 +868,10 @@ const Value *QmlObjectValue::propertyValue(const FakeMetaProperty &prop) const
     const Value *value = engine()->undefinedValue();
     if (typeName == QLatin1String("QByteArray")
             || typeName == QLatin1String("string")
-            || typeName == QLatin1String("QString")
-            || typeName == QLatin1String("QUrl")) {
+            || typeName == QLatin1String("QString")) {
         value = engine()->stringValue();
+    } else if (typeName == QLatin1String("QUrl")) {
+        value = engine()->urlValue();
     } else if (typeName == QLatin1String("bool")) {
         value = engine()->booleanValue();
     } else if (typeName == QLatin1String("int")
@@ -1370,7 +1371,6 @@ const RealValue *Value::asRealValue() const
     return 0;
 }
 
-
 const BooleanValue *Value::asBooleanValue() const
 {
     return 0;
@@ -1381,6 +1381,11 @@ const StringValue *Value::asStringValue() const
     return 0;
 }
 
+const UrlValue *Value::asUrlValue() const
+{
+    return 0;
+}
+
 const ObjectValue *Value::asObjectValue() const
 {
     return 0;
@@ -1437,7 +1442,6 @@ const NumberValue *NumberValue::asNumberValue() const
 const RealValue *RealValue::asRealValue() const
 {
     return this;
-
 }
 
 const IntValue *IntValue::asIntValue() const
@@ -1465,6 +1469,11 @@ const StringValue *StringValue::asStringValue() const
     return this;
 }
 
+const UrlValue *UrlValue::asUrlValue() const
+{
+    return this;
+}
+
 void StringValue::accept(ValueVisitor *visitor) const
 {
     visitor->visit(this);
@@ -2597,6 +2606,7 @@ const RealValue *Engine::realValue() const
 {
     return &_realValue;
 }
+
 const IntValue *Engine::intValue() const
 {
     return &_intValue;
@@ -2612,6 +2622,11 @@ const StringValue *Engine::stringValue() const
     return &_stringValue;
 }
 
+const UrlValue *Engine::urlValue() const
+{
+    return &_urlValue;
+}
+
 const ColorValue *Engine::colorValue() const
 {
     return &_colorValue;
@@ -3147,12 +3162,16 @@ const ObjectValue *Engine::qmlVector3DObject()
 
 const Value *Engine::defaultValueForBuiltinType(const QString &typeName) const
 {
-    if (typeName == QLatin1String("string") || typeName == QLatin1String("url"))
+    if (typeName == QLatin1String("string"))
         return stringValue();
+    else if (typeName == QLatin1String("url"))
+        return urlValue();
     else if (typeName == QLatin1String("bool"))
         return booleanValue();
-    else if (typeName == QLatin1String("int") || typeName == QLatin1String("real"))
-        return numberValue();
+    else if (typeName == QLatin1String("int"))
+        return intValue();
+    else if (typeName == QLatin1String("real"))
+        return realValue();
     else if (typeName == QLatin1String("color"))
         return colorValue();
     // ### more types...

src/libs/qmljs/qmljsinterpreter.h

@@ -61,6 +61,7 @@ class IntValue;
 class RealValue;
 class BooleanValue;
 class StringValue;
+class UrlValue;
 class ObjectValue;
 class FunctionValue;
 class Reference;
@@ -115,6 +116,7 @@ public:
     virtual const RealValue *asRealValue() const;
     virtual const BooleanValue *asBooleanValue() const;
     virtual const StringValue *asStringValue() const;
+    virtual const UrlValue *asUrlValue() const;
     virtual const ObjectValue *asObjectValue() const;
     virtual const FunctionValue *asFunctionValue() const;
     virtual const Reference *asReference() const;
@@ -170,6 +172,12 @@ template <> Q_INLINE_TEMPLATE const StringValue *value_cast(const Value *v)
     else   return 0;
 }
 
+template <> Q_INLINE_TEMPLATE const UrlValue *value_cast(const Value *v)
+{
+    if (v) return v->asUrlValue();
+    else   return 0;
+}
+
 template <> Q_INLINE_TEMPLATE const ObjectValue *value_cast(const Value *v)
 {
     if (v) return v->asObjectValue();
@@ -236,7 +244,6 @@ public:
     virtual const IntValue *asIntValue() const;
 };
 
-
 class QMLJS_EXPORT BooleanValue: public Value
 {
 public:
@@ -251,6 +258,12 @@ public:
     virtual void accept(ValueVisitor *visitor) const;
 };
 
+class QMLJS_EXPORT UrlValue: public StringValue
+{
+public:
+    virtual const UrlValue *asUrlValue() const;
+};
+
 class QMLJS_EXPORT MemberProcessor
 {
     MemberProcessor(const MemberProcessor &other);
@@ -687,6 +700,7 @@ public:
     const IntValue *intValue() const;
     const BooleanValue *booleanValue() const;
     const StringValue *stringValue() const;
+    const UrlValue *urlValue() const;
     const ColorValue *colorValue() const;
     const AnchorLineValue *anchorLineValue() const;
 
@@ -787,6 +801,7 @@ private:
     IntValue _intValue;
     BooleanValue _booleanValue;
     StringValue _stringValue;
+    UrlValue _urlValue;
     ColorValue _colorValue;
     AnchorLineValue _anchorLineValue;
     QList<Value *> _registeredValues;