qmljs: uniform property info

CppComponent has extra information on properties that makes sense
also for ObjectValues, change the processProperty method to pass
in an extra struct with that info (and that can be later extended).

Change-Id: If09b178a4095bed03ff59bfb2164088309d2c8e2
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>

src/libs/qmljs/qmljsinterpreter.h

@@ -388,6 +388,44 @@ public:
     const UrlValue *asUrlValue() const QTC_OVERRIDE;
 };
 
+class PropertyInfo {
+public:
+    enum PropertyFlag {
+        Readable    = 1,
+        Writeable   = 2,
+        ListType    = 4,
+        PointerType= 8,
+        ValueType  = 16,
+        PointerOrValue = PointerType|ValueType,
+        Default     = Readable|Writeable|PointerOrValue
+    };
+
+    PropertyInfo(uint flags = Default);
+    uint flags;
+    bool isPointer() const {
+        return (flags & PointerOrValue) == PointerType;
+    }
+    bool isValue() const {
+        return (flags & PointerOrValue) == ValueType;
+    }
+    bool canBePointer() const {
+        return (flags & PointerType) != 0;
+    }
+    bool canBeValue() const {
+        return (flags & ValueType) != 0;
+    }
+    bool isReadable() const {
+        return (flags & Readable) != 0;
+    }
+    bool isWriteable() const {
+        return (flags & Writeable) != 0;
+    }
+    bool isList() const {
+        return (flags & ListType) != 0;
+    }
+    QString toString() const;
+};
+
 class QMLJS_EXPORT MemberProcessor
 {
     MemberProcessor(const MemberProcessor &other);
@@ -398,7 +436,8 @@ public:
     virtual ~MemberProcessor();
 
     // Returns false to stop the processor.
-    virtual bool processProperty(const QString &name, const Value *value);
+    virtual bool processProperty(const QString &name, const Value *value,
+                                 const PropertyInfo &propertyInfo);
     virtual bool processEnumerator(const QString &name, const Value *value);
     virtual bool processSignal(const QString &name, const Value *value);
     virtual bool processSlot(const QString &name, const Value *value);
@@ -440,6 +479,16 @@ public:
     void accept(ValueVisitor *) const QTC_OVERRIDE;
 };
 
+class QMLJS_EXPORT PropertyData {
+public:
+    const Value *value;
+    PropertyInfo propertyInfo;
+    PropertyData(const Value *value = 0,
+                 PropertyInfo propertyInfo = PropertyInfo(PropertyInfo::Default))
+        : value(value), propertyInfo(propertyInfo)
+    { }
+};
+
 class QMLJS_EXPORT ObjectValue: public Value
 {
 public:
@@ -462,6 +511,7 @@ public:
     virtual void processMembers(MemberProcessor *processor) const;
 
     virtual void setMember(const QString &name, const Value *value);
+    virtual void setPropertyInfo(const QString &name, const PropertyInfo &propertyInfo);
     virtual void removeMember(const QString &name);
 
     virtual const Value *lookupMember(const QString &name, const Context *context,
@@ -484,7 +534,7 @@ private:
 
 private:
     ValueOwner *m_valueOwner;
-    QHash<QString, const Value *> m_members;
+    QHash<QString, PropertyData> m_members;
     QString m_className;
     QString m_originId;