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annotate druntime/src/compiler/dmd/typeinfo/ti_C.d @ 759:d3eb054172f9

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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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1 /*
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2 * Copyright (C) 2004-2005 by Digital Mars, www.digitalmars.com
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3 * Written by Walter Bright
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4 *
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5 * This software is provided 'as-is', without any express or implied
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6 * warranty. In no event will the authors be held liable for any damages
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7 * arising from the use of this software.
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8 *
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9 * Permission is granted to anyone to use this software for any purpose,
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10 * including commercial applications, and to alter it and redistribute it
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11 * freely, in both source and binary form, subject to the following
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12 * restrictions:
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13 *
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14 * o The origin of this software must not be misrepresented; you must not
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15 * claim that you wrote the original software. If you use this software
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16 * in a product, an acknowledgment in the product documentation would be
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17 * appreciated but is not required.
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18 * o Altered source versions must be plainly marked as such, and must not
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19 * be misrepresented as being the original software.
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20 * o This notice may not be removed or altered from any source
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21 * distribution.
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22 */
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23
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24 module rt.typeinfo.ti_C;
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25
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26 // Object
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27
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28 class TypeInfo_C : TypeInfo
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29 {
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30 override hash_t getHash(in void* p)
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31 {
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32 Object o = *cast(Object*)p;
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33 return o ? o.toHash() : 0;
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34 }
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35
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36 override equals_t equals(in void* p1, in void* p2)
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37 {
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38 Object o1 = *cast(Object*)p1;
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39 Object o2 = *cast(Object*)p2;
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40
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41 return o1 == o2;
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42 }
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43
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44 override int compare(in void* p1, in void* p2)
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45 {
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46 Object o1 = *cast(Object*)p1;
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47 Object o2 = *cast(Object*)p2;
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48 int c = 0;
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49
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50 // Regard null references as always being "less than"
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51 if (!(o1 is o2))
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52 {
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53 if (o1)
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54 { if (!o2)
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55 c = 1;
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56 else
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57 c = o1.opCmp(o2);
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58 }
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59 else
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60 c = -1;
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61 }
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62 return c;
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63 }
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64
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65 override size_t tsize()
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66 {
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67 return Object.sizeof;
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68 }
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69
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70 override uint flags()
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71 {
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72 return 1;
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73 }
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74 }