extensions/DictionaryGlue.h

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  39
  40
  41 #ifndef DICTIONARYGLUE_INCLUDED
  42 #define DICTIONARYGLUE_INCLUDED
  43
  44 namespace avmplus
  45 {
  46     class DictionaryObject : public ScriptObject
  47     {
  48     public:
  49         DictionaryObject(VTable *vtable, ScriptObject *delegate);
  50
  51         void init(bool weakKeys);
  52
  53         // multiname and Stringp forms fall through to ScriptObject
  54         virtual Atom getAtomProperty(Atom name) const;
  55         virtual bool hasAtomProperty(Atom name) const;
  56         virtual bool deleteAtomProperty(Atom name);
  57         virtual void setAtomProperty(Atom name, Atom value);
  58
  59         virtual Atom nextName(int index);
  60         virtual Atom nextValue(int index);
  61         virtual int nextNameIndex(int index);
  62
  63         bool isUsingWeakKeys() const { return getHeapHashtable()->weakKeys(); }
  64
  65     private:
  66         inline HeapHashtable* getHeapHashtable() const
  67         {
  68             // uintptr_t (rather than char*) to avoid "increases required alignment" warning
  69             return *(HeapHashtable**)(uintptr_t(this) + vtable->traits->getHashtableOffset());
  70         }
  71
  72         Atom FASTCALL getKeyFromObject(Atom object) const;
  73
  74         DECLARE_SLOTS_DictionaryObject;
  75     };
  76
  77     class DictionaryClass : public ClassClosure
  78     {
  79     public:
  80         DictionaryClass(VTable *vtable);
  81         ScriptObject *createInstance(VTable *ivtable, ScriptObject *delegate);
  82
  83         DECLARE_SLOTS_DictionaryClass;
  84     };
  85 }
  86
  87 #endif /* DICTIONARYGLUE_INCLUDED */