diff druntime/src/compiler/ldc/typeinfo/ti_AC.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/ldc/typeinfo/ti_AC.d	Tue Nov 11 01:52:37 2008 +0100
@@ -0,0 +1,95 @@
+module rt.typeinfo.ti_AC;
+
+// Object[]
+
+class TypeInfo_AC : TypeInfo
+{
+    override hash_t getHash(in void* p)
+    {   Object[] s = *cast(Object[]*)p;
+        hash_t hash = 0;
+
+        foreach (Object o; s)
+        {
+            if (o)
+                hash += o.toHash();
+        }
+        return hash;
+    }
+
+    override equals_t equals(in void* p1, in void* p2)
+    {
+        Object[] s1 = *cast(Object[]*)p1;
+        Object[] s2 = *cast(Object[]*)p2;
+
+        if (s1.length == s2.length)
+        {
+            for (size_t u = 0; u < s1.length; u++)
+            {   Object o1 = s1[u];
+                Object o2 = s2[u];
+
+                // Do not pass null's to Object.opEquals()
+                if (o1 is o2 ||
+                    (!(o1 is null) && !(o2 is null) && o1.opEquals(o2)))
+                    continue;
+                return false;
+            }
+            return true;
+        }
+        return false;
+    }
+
+    override int compare(in void* p1, in void* p2)
+    {
+        Object[] s1 = *cast(Object[]*)p1;
+        Object[] s2 = *cast(Object[]*)p2;
+        ptrdiff_t c;
+
+        c = cast(ptrdiff_t)s1.length - cast(ptrdiff_t)s2.length;
+        if (c == 0)
+        {
+            for (size_t u = 0; u < s1.length; u++)
+            {   Object o1 = s1[u];
+                Object o2 = s2[u];
+
+                if (o1 is o2)
+                    continue;
+
+                // Regard null references as always being "less than"
+                if (o1)
+                {
+                    if (!o2)
+                    {   c = 1;
+                        break;
+                    }
+                    c = o1.opCmp(o2);
+                    if (c)
+                        break;
+                }
+                else
+                {   c = -1;
+                    break;
+                }
+            }
+        }
+        if (c < 0)
+            c = -1;
+        else if (c > 0)
+            c = 1;
+        return c;
+    }
+
+    override size_t tsize()
+    {
+        return (Object[]).sizeof;
+    }
+
+    override uint flags()
+    {
+        return 1;
+    }
+
+    override TypeInfo next()
+    {
+        return typeid(Object);
+    }
+}