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72
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1 module dmd.NotExp;
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2
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114
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3 import dmd.common;
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72
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4 import dmd.Expression;
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5 import dmd.backend.elem;
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6 import dmd.UnaExp;
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7 import dmd.InterState;
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8 import dmd.Loc;
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9 import dmd.Scope;
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10 import dmd.IRState;
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0
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11 import dmd.TOK;
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12 import dmd.Type;
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13
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14 import dmd.expression.Not;
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15
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16 import dmd.backend.OPER;
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72
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17 import dmd.backend.Util;
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18
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0
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19 class NotExp : UnaExp
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20 {
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21 this(Loc loc, Expression e)
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22 {
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178
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23 register();
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0
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24 super(loc, TOK.TOKnot, NotExp.sizeof, e);
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25 }
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26
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72
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27 override Expression semantic(Scope sc)
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0
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28 {
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29 UnaExp.semantic(sc);
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30 e1 = resolveProperties(sc, e1);
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31 e1 = e1.checkToBoolean();
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32 type = Type.tboolean;
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33 return this;
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34 }
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35
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72
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36 override Expression optimize(int result)
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0
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37 {
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38 Expression e;
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39
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40 e1 = e1.optimize(result);
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41 if (e1.isConst() == 1)
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42 e = Not(type, e1);
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43 else
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44 e = this;
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45
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46 return e;
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47 }
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48
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72
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49 override Expression interpret(InterState istate)
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0
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50 {
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51 assert(false);
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52 }
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53
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72
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54 override int isBit()
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0
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55 {
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56 assert(false);
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57 }
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58
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72
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59 override elem* toElem(IRState* irs)
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0
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60 {
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61 elem* e = el_una(OPnot, type.totym(), e1.toElem(irs));
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62 el_setLoc(e,loc);
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63 return e;
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64 }
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72
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65 }
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