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