Mercurial > projects > ldc
diff druntime/src/compiler/dmd/typeinfo/ti_AC.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_AC.d Tue Jun 02 17:43:06 2009 +0100 @@ -0,0 +1,107 @@ +/** + * 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_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); + } +}