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| author | marha <marha@users.sourceforge.net> | 2009-07-29 09:17:47 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2009-07-29 09:17:47 +0000 |
| commit | 437bca524595d1007f37988e862db8bfeff329b0 (patch) | |
| tree | da106b22babce6ccd53c7dd9c3040aed4a52f455 /tools/mhmake/src/refptr.h | |
| parent | 6f45caf0fe3e94a83835fa1f5d04233b9e936efc (diff) | |
| download | vcxsrv-437bca524595d1007f37988e862db8bfeff329b0.tar.gz vcxsrv-437bca524595d1007f37988e862db8bfeff329b0.tar.bz2 vcxsrv-437bca524595d1007f37988e862db8bfeff329b0.zip | |
Added mhmake GNU make compatible (with extensions) make utility.
Diffstat (limited to 'tools/mhmake/src/refptr.h')
| -rw-r--r-- | tools/mhmake/src/refptr.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/tools/mhmake/src/refptr.h b/tools/mhmake/src/refptr.h new file mode 100644 index 000000000..38b62b4ca --- /dev/null +++ b/tools/mhmake/src/refptr.h @@ -0,0 +1,124 @@ +/* This file is part of mhmake.
+ *
+ * Copyright (C) 2001-2009 Marc Haesen
+ *
+ * Mhmake is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Mhmake is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mhmake. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* $Rev$ */
+
+#ifndef __REFPTR_H__
+#define __REFPTR_H__
+
+#ifdef _DEBUG
+#define PRINTF(arg) if (g_PrintLexYacc) printf arg
+#else
+#define PRINTF(arg)
+#endif
+
+template <class T> class iterstack: public stack<T>
+{
+ public:
+ typedef typename deque<T>::iterator iterator;
+ typedef typename deque<T>::reverse_iterator reverse_iterator;
+
+ iterator begin()
+ {
+ return stack<T>::c.begin();
+ }
+ iterator end()
+ {
+ return stack<T>::c.end();
+ }
+ reverse_iterator rbegin()
+ {
+ return stack<T>::c.rbegin();
+ }
+ reverse_iterator rend()
+ {
+ return stack<T>::c.rend();
+ }
+};
+
+struct refbase
+{
+ int m_Count;
+ refbase()
+ {
+ m_Count=1;
+ }
+};
+
+// Template class T needs to be derived from refbase;
+template <class T> class refptr
+{
+ T *m_RefPtr;
+public:
+ refptr()
+ {
+ m_RefPtr=NULL;
+ }
+ refptr(T *Ptr) {
+ m_RefPtr=Ptr;
+ }
+ refptr(const refptr<T> &RefPtr)
+ {
+ m_RefPtr=RefPtr.m_RefPtr;
+ if (m_RefPtr)
+ m_RefPtr->m_Count++;
+ }
+ ~refptr()
+ {
+ if (m_RefPtr && !--m_RefPtr->m_Count)
+ {
+ delete m_RefPtr;
+ }
+ }
+ refptr<T> &operator=(const refptr<T>& Src)
+ {
+ if (Src.m_RefPtr!=m_RefPtr)
+ {
+ this->~refptr();
+ new (this) refptr<T>(Src);
+ }
+ return *this;
+ }
+
+ refptr<T> &operator=(T *pPtr) // Assumes that T has reference count 1 and has no other users
+ {
+ #if defined(_DEBUG) && defined(_MSC_VER)
+ if (pPtr && pPtr->m_Count!=1)
+ DebugBreak();
+ #endif
+ this->~refptr();
+ m_RefPtr=pPtr;
+ return *this;
+ }
+
+ T & operator*() const
+ {
+ return *m_RefPtr;
+ }
+ T * operator->() const
+ {
+ return m_RefPtr;
+ }
+ operator T*() const
+ {
+ return m_RefPtr;
+ }
+};
+
+#endif
+
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