Mercurial > projects > ldc
diff 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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/druntime/src/compiler/dmd/typeinfo/ti_Ashort.d Tue Jun 02 17:43:06 2009 +0100 @@ -0,0 +1,143 @@ +/** + * 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); + } +}