diff druntime/src/compiler/ldc/typeinfo/ti_Ashort.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
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/druntime/src/compiler/ldc/typeinfo/ti_Ashort.d	Tue Nov 11 01:52:37 2008 +0100
@@ -0,0 +1,132 @@
+
+module rt.typeinfo.ti_Ashort;
+
+private import stdc.string;
+
+// short[]
+
+class TypeInfo_As : TypeInfo
+{
+    override string toString() { return "short[]"; }
+
+    override hash_t getHash(in void* p)
+    {   short[] s = *cast(short[]*)p;
+        size_t len = s.length;
+        short *str = s.ptr;
+        hash_t hash = 0;
+
+        while (1)
+        {
+            switch (len)
+            {
+                case 0:
+                    return hash;
+
+                case 1:
+                    hash *= 9;
+                    hash += *cast(ushort *)str;
+                    return hash;
+
+                default:
+                    hash *= 9;
+                    hash += *cast(uint *)str;
+                    str += 2;
+                    len -= 2;
+                    break;
+            }
+        }
+
+        return hash;
+    }
+
+    override equals_t equals(in void* p1, in void* p2)
+    {
+        short[] s1 = *cast(short[]*)p1;
+        short[] s2 = *cast(short[]*)p2;
+
+        return s1.length == s2.length &&
+               memcmp(cast(void *)s1, cast(void *)s2, s1.length * short.sizeof) == 0;
+    }
+
+    override int compare(in void* p1, in void* p2)
+    {
+        short[] s1 = *cast(short[]*)p1;
+        short[] s2 = *cast(short[]*)p2;
+        size_t len = s1.length;
+
+        if (s2.length < len)
+            len = s2.length;
+        for (size_t u = 0; u < len; u++)
+        {
+            int result = s1[u] - s2[u];
+            if (result)
+                return result;
+        }
+        if (s1.length < s2.length)
+            return -1;
+        else if (s1.length > s2.length)
+            return 1;
+        return 0;
+    }
+
+    override size_t tsize()
+    {
+        return (short[]).sizeof;
+    }
+
+    override uint flags()
+    {
+        return 1;
+    }
+
+    override TypeInfo next()
+    {
+        return typeid(short);
+    }
+}
+
+
+// ushort[]
+
+class TypeInfo_At : TypeInfo_As
+{
+    override string toString() { return "ushort[]"; }
+
+    override int compare(in void* p1, in void* p2)
+    {
+        ushort[] s1 = *cast(ushort[]*)p1;
+        ushort[] s2 = *cast(ushort[]*)p2;
+        size_t len = s1.length;
+
+        if (s2.length < len)
+            len = s2.length;
+        for (size_t u = 0; u < len; u++)
+        {
+            int result = s1[u] - s2[u];
+            if (result)
+                return result;
+        }
+        if (s1.length < s2.length)
+            return -1;
+        else if (s1.length > s2.length)
+            return 1;
+        return 0;
+    }
+
+    override TypeInfo next()
+    {
+        return typeid(ushort);
+    }
+}
+
+// wchar[]
+
+class TypeInfo_Au : TypeInfo_At
+{
+    override string toString() { return "wchar[]"; }
+
+    override TypeInfo next()
+    {
+        return typeid(wchar);
+    }
+}