Changeset 43157 in webkit for trunk/JavaScriptCore/runtime/JSNumberCell.h

Timestamp:

May 3, 2009, 12:27:42 PM (16 years ago)

Author:

[email protected]

Message:

JavaScriptCore:

2009-05-02 Sam Weinig <​[email protected]>

Roll JSC API number marshaling back in.

WebCore:

2009-05-02 Sam Weinig <​[email protected]>

Roll JSC API number marshaling back in.

File:

• trunk/JavaScriptCore/runtime/JSNumberCell.h (modified) (4 diffs)

trunk/JavaScriptCore/runtime/JSNumberCell.h

@@ -53 +53 @@
         friend JSValue jsNumberCell(JSGlobalData*, double);
         friend JSValue jsNumberCell(ExecState*, double);
+        friend JSValue jsAPIMangledNumber(ExecState*, double);
     public:
         double value() const { return m_value; }
@@ -66 +67 @@
         virtual JSObject* toThisObject(ExecState*) const;
         virtual JSValue getJSNumber();
+
+        static const uintptr_t JSAPIMangledMagicNumber = 0xbbadbeef;
+        bool isAPIMangledNumber() const { return m_structure == reinterpret_cast<Structure*>(JSAPIMangledMagicNumber); }
 
         void* operator new(size_t size, ExecState* exec)
@@ -100 +104 @@
         }
 
+        enum APIMangledTag { APIMangled };
+        JSNumberCell(APIMangledTag, double value)
+            : JSCell(reinterpret_cast<Structure*>(JSAPIMangledMagicNumber))
+            , m_value(value)
+        {
+        }
+
         virtual bool getUInt32(uint32_t&) const;
         virtual bool getTruncatedInt32(int32_t&) const;
@@ -224 +235 @@
         ASSERT(isNumber());
         return JSImmediate::isImmediate(asValue()) ? JSImmediate::toDouble(asValue()) : getDoubleNumber();
+    }
+
+    JSValue jsAPIMangledNumber(ExecState* exec, double);
+
+    inline bool JSValue::isAPIMangledNumber()
+    {
+        ASSERT(isNumber());
+        return JSImmediate::isImmediate(asValue()) ? false : asNumberCell(asValue())->isAPIMangledNumber();
     }