JavaScriptCore-7600.1.4.16.1.tar.gz

[apple/javascriptcore.git] / runtime / PropertyDescriptor.h

diff --git a/runtime/PropertyDescriptor.h b/runtime/PropertyDescriptor.h
index ff9f1608b89b74ed428bb511fd8a9bde535da0f7..df74d9e15af968fcf9fb2f43822c2806c88b616a 100644 (file)
--- a/runtime/PropertyDescriptor.h
+++ b/runtime/PropertyDescriptor.h
@@ -26,9 +26,14 @@
 #ifndef PropertyDescriptor_h
 #define PropertyDescriptor_h
 
-#include "JSValue.h"
+#include "JSCJSValue.h"
 
 namespace JSC {
+    class GetterSetter;
+
+    // See ES5.1 9.12
+    bool sameValue(ExecState*, JSValue, JSValue);
+
     class PropertyDescriptor {
     public:
         PropertyDescriptor()
@@ -36,25 +41,37 @@ namespace JSC {
             , m_seenAttributes(0)
         {
         }
-        bool writable() const;
-        bool enumerable() const;
-        bool configurable() const;
-        bool isDataDescriptor() const;
+        PropertyDescriptor(JSValue value, unsigned attributes)
+            : m_value(value)
+            , m_attributes(attributes)
+            , m_seenAttributes(EnumerablePresent | ConfigurablePresent | WritablePresent)
+        {
+            ASSERT(m_value);
+            ASSERT(!m_value.isGetterSetter());
+            ASSERT(!m_value.isCustomGetterSetter());
+        }
+        JS_EXPORT_PRIVATE bool writable() const;
+        JS_EXPORT_PRIVATE bool enumerable() const;
+        JS_EXPORT_PRIVATE bool configurable() const;
+        JS_EXPORT_PRIVATE bool isDataDescriptor() const;
         bool isGenericDescriptor() const;
-        bool isAccessorDescriptor() const;
+        JS_EXPORT_PRIVATE bool isAccessorDescriptor() const;
         unsigned attributes() const { return m_attributes; }
         JSValue value() const { return m_value; }
-        JSValue getter() const;
-        JSValue setter() const;
-        void setUndefined();
-        void setDescriptor(JSValue value, unsigned attributes);
-        void setAccessorDescriptor(JSValue getter, JSValue setter, unsigned attributes);
-        void setWritable(bool);
-        void setEnumerable(bool);
-        void setConfigurable(bool);
+        JS_EXPORT_PRIVATE JSValue getter() const;
+        JS_EXPORT_PRIVATE JSValue setter() const;
+        JSObject* getterObject() const;
+        JSObject* setterObject() const;
+        JS_EXPORT_PRIVATE void setUndefined();
+        JS_EXPORT_PRIVATE void setDescriptor(JSValue value, unsigned attributes);
+        JS_EXPORT_PRIVATE void setCustomDescriptor(unsigned attributes);
+        JS_EXPORT_PRIVATE void setAccessorDescriptor(GetterSetter* accessor, unsigned attributes);
+        JS_EXPORT_PRIVATE void setWritable(bool);
+        JS_EXPORT_PRIVATE void setEnumerable(bool);
+        JS_EXPORT_PRIVATE void setConfigurable(bool);
         void setValue(JSValue value) { m_value = value; }
-        void setSetter(JSValue);
-        void setGetter(JSValue);
+        JS_EXPORT_PRIVATE void setSetter(JSValue);
+        JS_EXPORT_PRIVATE void setGetter(JSValue);
         bool isEmpty() const { return !(m_value || m_getter || m_setter || m_seenAttributes); }
         bool writablePresent() const { return m_seenAttributes & WritablePresent; }
         bool enumerablePresent() const { return m_seenAttributes & EnumerablePresent; }
@@ -63,9 +80,10 @@ namespace JSC {
         bool getterPresent() const { return m_getter; }
         bool equalTo(ExecState* exec, const PropertyDescriptor& other) const;
         bool attributesEqual(const PropertyDescriptor& other) const;
-        unsigned attributesWithOverride(const PropertyDescriptor& other) const;
+        unsigned attributesOverridingCurrent(const PropertyDescriptor& current) const;
+
     private:
-        static unsigned defaultAttributes;
+        JS_EXPORTDATA static unsigned defaultAttributes;
         bool operator==(const PropertyDescriptor&){ return false; }
         enum { WritablePresent = 1, EnumerablePresent = 2, ConfigurablePresent = 4};
         // May be a getter/setter