Add check for correct color string in Qml.

src/libs/qmljs/qmljsinterpreter.h

@@ -61,6 +61,7 @@ class ObjectValue;
 class FunctionValue;
 class Reference;
 class EasingCurveNameValue;
+class ColorValue;
 
 typedef QList<const Value *> ValueList;
 
@@ -82,6 +83,7 @@ public:
     virtual void visit(const FunctionValue *);
     virtual void visit(const Reference *);
     virtual void visit(const EasingCurveNameValue *);
+    virtual void visit(const ColorValue *);
 };
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -105,6 +107,7 @@ public:
     virtual const FunctionValue *asFunctionValue() const;
     virtual const Reference *asReference() const;
     virtual const EasingCurveNameValue *asEasingCurveNameValue() const;
+    virtual const ColorValue *asColorValue() const;
 
     virtual void accept(ValueVisitor *) const = 0;
 
@@ -167,6 +170,12 @@ template <> Q_INLINE_TEMPLATE const EasingCurveNameValue *value_cast(const Value
     else   return 0;
 }
 
+template <> Q_INLINE_TEMPLATE const ColorValue *value_cast(const Value *v)
+{
+    if (v) return v->asColorValue();
+    else   return 0;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // Value nodes
 ////////////////////////////////////////////////////////////////////////////////
@@ -326,6 +335,14 @@ public:
     virtual void accept(ValueVisitor *) const;
 };
 
+class QMLJS_EXPORT ColorValue: public Value
+{
+public:
+    // Value interface
+    virtual const ColorValue *asColorValue() const;
+    virtual void accept(ValueVisitor *) const;
+};
+
 class QMLJS_EXPORT ObjectValue: public Value
 {
 public:
@@ -585,6 +602,7 @@ public:
     const BooleanValue *booleanValue() const;
     const StringValue *stringValue() const;
     const EasingCurveNameValue *easingCurveNameValue() const;
+    const ColorValue *colorValue() const;
 
     ObjectValue *newObject(const ObjectValue *prototype);
     ObjectValue *newObject();
@@ -674,6 +692,7 @@ private:
     BooleanValue _booleanValue;
     StringValue _stringValue;
     EasingCurveNameValue _easingCurveNameValue;
+    ColorValue _colorValue;
     QList<Value *> _registeredValues;
 
     ConvertToNumber _convertToNumber;