JavaScriptCore-7600.1.4.9.tar.gz

[apple/javascriptcore.git] / API / JSRetainPtr.h

diff --git a/API/JSRetainPtr.h b/API/JSRetainPtr.h
index 69c6de19c92d172c86d9bbc7641ccb5baeb4dce1..f23e32fcb7a416682c5251bd797aed7b01226f44 100644 (file)
--- a/API/JSRetainPtr.h
+++ b/API/JSRetainPtr.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005, 2006, 2007 Apple Inc. All rights reserved.
+ * Copyright (C) 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -10,7 +10,7 @@
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution. 
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
  *     its contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission. 
  *
@@ -29,31 +29,31 @@
 #ifndef JSRetainPtr_h
 #define JSRetainPtr_h
 
+#include <JavaScriptCore/JSContextRef.h>
 #include <JavaScriptCore/JSStringRef.h>
 #include <algorithm>
 
 inline void JSRetain(JSStringRef string) { JSStringRetain(string); }
 inline void JSRelease(JSStringRef string) { JSStringRelease(string); }
+inline void JSRetain(JSGlobalContextRef context) { JSGlobalContextRetain(context); }
+inline void JSRelease(JSGlobalContextRef context) { JSGlobalContextRelease(context); }
 
 enum AdoptTag { Adopt };
 
-template <typename T> class JSRetainPtr {
+template<typename T> class JSRetainPtr {
 public:
-    JSRetainPtr() : m_ptr(0) {}
+    JSRetainPtr() : m_ptr(0) { }
     JSRetainPtr(T ptr) : m_ptr(ptr) { if (ptr) JSRetain(ptr); }
-
     JSRetainPtr(AdoptTag, T ptr) : m_ptr(ptr) { }
-    
-    JSRetainPtr(const JSRetainPtr& o) : m_ptr(o.m_ptr) { if (T ptr = m_ptr) JSRetain(ptr); }
-
-    ~JSRetainPtr() { if (T ptr = m_ptr) JSRelease(ptr); }
-    
-    template <typename U> JSRetainPtr(const JSRetainPtr<U>& o) : m_ptr(o.get()) { if (T ptr = m_ptr) JSRetain(ptr); }
+    JSRetainPtr(const JSRetainPtr&);
+    template<typename U> JSRetainPtr(const JSRetainPtr<U>&);
+    ~JSRetainPtr();
     
     T get() const { return m_ptr; }
     
-    T releaseRef() { T tmp = m_ptr; m_ptr = 0; return tmp; }
-    
+    void clear();
+    T leakRef();
+
     T operator->() const { return m_ptr; }
     
     bool operator!() const { return !m_ptr; }
@@ -63,9 +63,9 @@ public:
     operator UnspecifiedBoolType() const { return m_ptr ? &JSRetainPtr::m_ptr : 0; }
     
     JSRetainPtr& operator=(const JSRetainPtr&);
-    template <typename U> JSRetainPtr& operator=(const JSRetainPtr<U>&);
+    template<typename U> JSRetainPtr& operator=(const JSRetainPtr<U>&);
     JSRetainPtr& operator=(T);
-    template <typename U> JSRetainPtr& operator=(U*);
+    template<typename U> JSRetainPtr& operator=(U*);
 
     void adopt(T);
     
@@ -75,7 +75,42 @@ private:
     T m_ptr;
 };
 
-template <typename T> inline JSRetainPtr<T>& JSRetainPtr<T>::operator=(const JSRetainPtr<T>& o)
+template<typename T> inline JSRetainPtr<T>::JSRetainPtr(const JSRetainPtr& o)
+    : m_ptr(o.m_ptr)
+{
+    if (m_ptr)
+        JSRetain(m_ptr);
+}
+
+template<typename T> template<typename U> inline JSRetainPtr<T>::JSRetainPtr(const JSRetainPtr<U>& o)
+    : m_ptr(o.get())
+{
+    if (m_ptr)
+        JSRetain(m_ptr);
+}
+
+template<typename T> inline JSRetainPtr<T>::~JSRetainPtr()
+{
+    if (m_ptr)
+        JSRelease(m_ptr);
+}
+
+template<typename T> inline void JSRetainPtr<T>::clear()
+{
+    if (T ptr = m_ptr) {
+        m_ptr = 0;
+        JSRelease(ptr);
+    }
+}
+
+template<typename T> inline T JSRetainPtr<T>::leakRef()
+{
+    T ptr = m_ptr;
+    m_ptr = 0;
+    return ptr;
+}
+
+template<typename T> inline JSRetainPtr<T>& JSRetainPtr<T>::operator=(const JSRetainPtr<T>& o)
 {
     T optr = o.get();
     if (optr)
@@ -87,7 +122,7 @@ template <typename T> inline JSRetainPtr<T>& JSRetainPtr<T>::operator=(const JSR
     return *this;
 }
 
-template <typename T> template <typename U> inline JSRetainPtr<T>& JSRetainPtr<T>::operator=(const JSRetainPtr<U>& o)
+template<typename T> template<typename U> inline JSRetainPtr<T>& JSRetainPtr<T>::operator=(const JSRetainPtr<U>& o)
 {
     T optr = o.get();
     if (optr)
@@ -99,7 +134,7 @@ template <typename T> template <typename U> inline JSRetainPtr<T>& JSRetainPtr<T
     return *this;
 }
 
-template <typename T> inline JSRetainPtr<T>& JSRetainPtr<T>::operator=(T optr)
+template<typename T> inline JSRetainPtr<T>& JSRetainPtr<T>::operator=(T optr)
 {
     if (optr)
         JSRetain(optr);
@@ -110,7 +145,7 @@ template <typename T> inline JSRetainPtr<T>& JSRetainPtr<T>::operator=(T optr)
     return *this;
 }
 
-template <typename T> inline void JSRetainPtr<T>::adopt(T optr)
+template<typename T> inline void JSRetainPtr<T>::adopt(T optr)
 {
     T ptr = m_ptr;
     m_ptr = optr;
@@ -118,7 +153,7 @@ template <typename T> inline void JSRetainPtr<T>::adopt(T optr)
         JSRelease(ptr);
 }
 
-template <typename T> template <typename U> inline JSRetainPtr<T>& JSRetainPtr<T>::operator=(U* optr)
+template<typename T> template<typename U> inline JSRetainPtr<T>& JSRetainPtr<T>::operator=(U* optr)
 {
     if (optr)
         JSRetain(optr);
@@ -129,42 +164,42 @@ template <typename T> template <typename U> inline JSRetainPtr<T>& JSRetainPtr<T
     return *this;
 }
 
-template <class T> inline void JSRetainPtr<T>::swap(JSRetainPtr<T>& o)
+template<typename T> inline void JSRetainPtr<T>::swap(JSRetainPtr<T>& o)
 {
     std::swap(m_ptr, o.m_ptr);
 }
 
-template <class T> inline void swap(JSRetainPtr<T>& a, JSRetainPtr<T>& b)
+template<typename T> inline void swap(JSRetainPtr<T>& a, JSRetainPtr<T>& b)
 {
     a.swap(b);
 }
 
-template <typename T, typename U> inline bool operator==(const JSRetainPtr<T>& a, const JSRetainPtr<U>& b)
+template<typename T, typename U> inline bool operator==(const JSRetainPtr<T>& a, const JSRetainPtr<U>& b)
 { 
     return a.get() == b.get(); 
 }
 
-template <typename T, typename U> inline bool operator==(const JSRetainPtr<T>& a, U* b)
+template<typename T, typename U> inline bool operator==(const JSRetainPtr<T>& a, U* b)
 { 
     return a.get() == b; 
 }
 
-template <typename T, typename U> inline bool operator==(T* a, const JSRetainPtr<U>& b) 
+template<typename T, typename U> inline bool operator==(T* a, const JSRetainPtr<U>& b) 
 {
     return a == b.get(); 
 }
 
-template <typename T, typename U> inline bool operator!=(const JSRetainPtr<T>& a, const JSRetainPtr<U>& b)
+template<typename T, typename U> inline bool operator!=(const JSRetainPtr<T>& a, const JSRetainPtr<U>& b)
 { 
     return a.get() != b.get(); 
 }
 
-template <typename T, typename U> inline bool operator!=(const JSRetainPtr<T>& a, U* b)
+template<typename T, typename U> inline bool operator!=(const JSRetainPtr<T>& a, U* b)
 {
     return a.get() != b; 
 }
 
-template <typename T, typename U> inline bool operator!=(T* a, const JSRetainPtr<U>& b)
+template<typename T, typename U> inline bool operator!=(T* a, const JSRetainPtr<U>& b)
 { 
     return a != b.get(); 
 }