moving trunk for module inkscape

(bzr r1)

1 files changed, 89 insertions, 0 deletions

diff --git a/src/gc-alloc.h b/src/gc-alloc.h
new file mode 100644
index 000000000..83811c0b3
--- /dev/null
+++ b/src/gc-alloc.h
@@ -0,0 +1,89 @@
+/*
+ * Inkscape::GC::Alloc - GC-aware STL allocator
+ *
+ * Copyright 2004 MenTaLguY <mental@rydia.net>
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * See the file COPYING for details.
+ *
+ */
+
+#ifndef SEEN_INKSCAPE_GC_ALLOC_H
+#define SEEN_INKSCAPE_GC_ALLOC_H
+
+#include <limits>
+#include "gc-core.h"
+
+namespace Inkscape {
+
+namespace GC {
+
+template <typename T, CollectionPolicy collect>
+class Alloc {
+public:
+    typedef T value_type;
+    typedef T *pointer;
+    typedef T const *const_pointer;
+    typedef T &reference;
+    typedef T const &const_reference;
+    typedef std::size_t size_type;
+    typedef std::ptrdiff_t difference_type;
+
+    template <typename U>
+    struct rebind { typedef Alloc<U, collect> other; };
+
+    Alloc() {}
+    template <typename U> Alloc(Alloc<U, collect> const &) {}
+
+    pointer address(reference r) { return &r; }
+    const_pointer address(const_reference r) { return &r; }
+
+    size_type max_size() const {
+        return std::numeric_limits<std::size_t>::max() / sizeof(T);
+    }
+
+    pointer allocate(size_type count, void const * =NULL) {
+        return static_cast<pointer>(::operator new(count * sizeof(T), SCANNED, collect));
+    }
+
+    void construct(pointer p, const_reference value) {
+        new (static_cast<void *>(p)) T(value);
+    }
+    void destroy(pointer p) { p->~T(); }
+
+    void deallocate(pointer p, size_type) { ::operator delete(p, GC); }
+};
+
+// allocators with the same collection policy are interchangable
+
+template <typename T1, typename T2,
+          CollectionPolicy collect1, CollectionPolicy collect2>
+bool operator==(Alloc<T1, collect1> const &, Alloc<T2, collect2> const &) {
+    return collect1 == collect2;
+}
+
+template <typename T1, typename T2,
+          CollectionPolicy collect1, CollectionPolicy collect2>
+bool operator!=(Alloc<T1, collect1> const &, Alloc<T2, collect2> const &) {
+    return collect1 != collect2;
+}
+
+}
+
+}
+
+#endif
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :