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annotate dmd/expression/Shr.d @ 157:b7b61140701d

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* added all missing default cases in switch statements + Lexer.getDocComment + Lexer.combineComments
author trass3r
date Thu, 16 Sep 2010 01:34:10 +0200
parents e28b18c23469
children
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1 module dmd.expression.Shr;
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2
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e28b18c23469 added a module dmd.common for commonly used stuff
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3 import dmd.common;
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4 import dmd.Expression;
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5 import dmd.Type;
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6 import dmd.Loc;
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7 import dmd.IntegerExp;
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8 import dmd.TY;
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9
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10 Expression Shr(Type type, Expression e1, Expression e2)
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11 {
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12 Loc loc = e1.loc;
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13
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14 long value = e1.toInteger();
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15 uint count = cast(uint)e2.toInteger();
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16
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17 switch (e1.type.toBasetype().ty)
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18 {
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19 case TY.Tint8:
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20 value = cast(byte)(value) >> count;
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21 break;
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22
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23 case TY.Tuns8:
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24 value = cast(ubyte)(value) >> count;
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25 break;
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26
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27 case TY.Tint16:
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28 value = cast(short)(value) >> count;
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29 break;
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30
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31 case TY.Tuns16:
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32 value = cast(ushort)(value) >> count;
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33 break;
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34
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35 case TY.Tint32:
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36 value = cast(int)(value) >> count;
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37 break;
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38
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39 case TY.Tuns32:
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40 value = cast(uint)(value) >> count;
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41 break;
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42
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43 case TY.Tint64:
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44 value = cast(long)(value) >> count;
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45 break;
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46
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47 case TY.Tuns64:
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48 value = cast(ulong)(value) >> count;
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49 break;
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51 default:
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52 assert(0);
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53 }
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54
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55 return new IntegerExp(loc, value, type);
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56 }