diff druntime/src/compiler/dmd/typeinfo/ti_C.d @ 759:d3eb054172f9

Added copy of druntime from DMD 2.020 modified for LDC.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Tue, 11 Nov 2008 01:52:37 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/druntime/src/compiler/dmd/typeinfo/ti_C.d	Tue Nov 11 01:52:37 2008 +0100
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+/*
+ *  Copyright (C) 2004-2005 by Digital Mars, www.digitalmars.com
+ *  Written by Walter Bright
+ *
+ *  This software is provided 'as-is', without any express or implied
+ *  warranty. In no event will the authors be held liable for any damages
+ *  arising from the use of this software.
+ *
+ *  Permission is granted to anyone to use this software for any purpose,
+ *  including commercial applications, and to alter it and redistribute it
+ *  freely, in both source and binary form, subject to the following
+ *  restrictions:
+ *
+ *  o  The origin of this software must not be misrepresented; you must not
+ *     claim that you wrote the original software. If you use this software
+ *     in a product, an acknowledgment in the product documentation would be
+ *     appreciated but is not required.
+ *  o  Altered source versions must be plainly marked as such, and must not
+ *     be misrepresented as being the original software.
+ *  o  This notice may not be removed or altered from any source
+ *     distribution.
+ */
+
+module rt.typeinfo.ti_C;
+
+// Object
+
+class TypeInfo_C : TypeInfo
+{
+    override hash_t getHash(in void* p)
+    {
+        Object o = *cast(Object*)p;
+        return o ? o.toHash() : 0;
+    }
+
+    override equals_t equals(in void* p1, in void* p2)
+    {
+        Object o1 = *cast(Object*)p1;
+        Object o2 = *cast(Object*)p2;
+
+        return o1 == o2;
+    }
+
+    override int compare(in void* p1, in void* p2)
+    {
+        Object o1 = *cast(Object*)p1;
+        Object o2 = *cast(Object*)p2;
+        int c = 0;
+
+        // Regard null references as always being "less than"
+        if (!(o1 is o2))
+        {
+            if (o1)
+            {   if (!o2)
+                    c = 1;
+                else
+                    c = o1.opCmp(o2);
+            }
+            else
+                c = -1;
+        }
+        return c;
+    }
+
+    override size_t tsize()
+    {
+        return Object.sizeof;
+    }
+
+    override uint flags()
+    {
+        return 1;
+    }
+}