Mercurial > projects > ldc
view druntime/src/compiler/dmd/typeinfo/ti_Ashort.d @ 1458:e0b2d67cfe7c
Added druntime (this should be removed once it works).
author | Robert Clipsham <robert@octarineparrot.com> |
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date | Tue, 02 Jun 2009 17:43:06 +0100 |
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/** * TypeInfo support code. * * Copyright: Copyright Digital Mars 2004 - 2009. * License: <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>. * Authors: Walter Bright * * Copyright Digital Mars 2004 - 2009. * Distributed under the Boost Software License, Version 1.0. * (See accompanying file LICENSE_1_0.txt or copy at * http://www.boost.org/LICENSE_1_0.txt) */ module rt.typeinfo.ti_Ashort; private import core.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); } }