Standardized usage of header insulation naming: CYCRIPT_<path.upper().replace('/...

[cycript.git] / Pooling.hpp

diff --git a/Pooling.hpp b/Pooling.hpp
index 4fa5dae2972e9e2957c0357a7b0c06f1359f2573..21baefa8e5e6de5b9224ea3dca31f4156c540dac 100644 (file)
--- a/Pooling.hpp
+++ b/Pooling.hpp
@@ -1,49 +1,35 @@
-/* Cycript - Remote Execution Server and Disassembler
- * Copyright (C) 2009  Jay Freeman (saurik)
+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2010  Jay Freeman (saurik)
 */
 
-/* Modified BSD License {{{ */
+/* GNU Lesser General Public License, Version 3 {{{ */
 /*
- *        Redistribution and use in source and binary
- * forms, with or without modification, are permitted
- * provided that the following conditions are met:
+ * Cycript is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
  *
- * 1. Redistributions of source code must retain the
- *    above copyright notice, this list of conditions
- *    and the following disclaimer.
- * 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. The name of the author may not be used to endorse
- *    or promote products derived from this software
- *    without specific prior written permission.
+ * Cycript 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 Lesser General Public
+ * License for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
+**/
 /* }}} */
 
-#ifndef CYPOOLING_HPP
-#define CYPOOLING_HPP
+#ifndef CYCRIPT_POOLING_HPP
+#define CYCRIPT_POOLING_HPP
 
 #include <apr_pools.h>
 #include <apr_strings.h>
 
-#include <minimal/stdlib.h>
+#include "Exception.hpp"
+#include "Local.hpp"
+#include "Standard.hpp"
+
+#include <cstdlib>
 
 _finline void *operator new(size_t size, apr_pool_t *pool) {
     return apr_palloc(pool, size);
@@ -58,8 +44,8 @@ class CYPool {
     apr_pool_t *pool_;
 
   public:
-    CYPool() {
-        _aprcall(apr_pool_create(&pool_, NULL));
+    CYPool(apr_pool_t *pool = NULL) {
+        _aprcall(apr_pool_create(&pool_, pool));
     }
 
     ~CYPool() {
@@ -85,6 +71,12 @@ class CYPool {
 
 struct CYData {
     apr_pool_t *pool_;
+    unsigned count_;
+
+    CYData() :
+        count_(1)
+    {
+    }
 
     virtual ~CYData() {
     }
@@ -104,7 +96,77 @@ struct CYData {
     static void operator delete(void *data) {
         apr_pool_destroy(reinterpret_cast<CYData *>(data)->pool_);
     }
+};
+
+template <typename Type_>
+struct CYPoolAllocator {
+    apr_pool_t *pool_;
+
+    typedef Type_ value_type;
+    typedef value_type *pointer;
+    typedef const value_type *const_pointer;
+    typedef value_type &reference;
+    typedef const value_type &const_reference;
+    typedef std::size_t size_type;
+    typedef std::ptrdiff_t difference_type;
+
+    CYPoolAllocator() :
+        pool_(NULL)
+    {
+    }
+
+    template <typename Right_>
+    CYPoolAllocator(const CYPoolAllocator<Right_> &rhs) :
+        pool_(rhs.pool_)
+    {
+    }
+
+    pointer allocate(size_type size, const void *hint = 0) {
+        return reinterpret_cast<pointer>(apr_palloc(pool_, size));
+    }
+
+    void deallocate(pointer data, size_type size) {
+    }
 
+    void construct(pointer address, const Type_ &rhs) {
+        new(address) Type_(rhs);
+    }
+
+    void destroy(pointer address) {
+        address->~Type_();
+    }
+
+    template <typename Right_>
+    inline bool operator==(const CYPoolAllocator<Right_> &rhs) {
+        return pool_ == rhs.pool_;
+    }
+
+    template <typename Right_>
+    inline bool operator!=(const CYPoolAllocator<Right_> &rhs) {
+        return !operator==(rhs);
+    }
+
+    template <typename Right_>
+    struct rebind {
+        typedef CYPoolAllocator<Right_> other;
+    };
 };
 
-#endif/*CYPOOLING_HPP*/
+class CYLocalPool :
+    public CYPool
+{
+  private:
+    CYLocal<apr_pool_t> local_;
+
+  public:
+    CYLocalPool() :
+        CYPool(),
+        local_(operator apr_pool_t *())
+    {
+    }
+};
+
+#define $pool \
+    CYLocal<apr_pool_t>::Get()
+
+#endif/*CYCRIPT_POOLING_HPP*/