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72
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1 module dmd.BoolExp;
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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.Type;
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9 import dmd.Loc;
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10 import dmd.Scope;
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0
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11 import dmd.IRState;
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72
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12 import dmd.TOK;
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0
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13
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14 import dmd.backend.OPER;
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15 import dmd.backend.Util;
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72
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16
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0
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17 class BoolExp : UnaExp
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18 {
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19 this(Loc loc, Expression e, Type t)
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20 {
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36
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21 super(loc, TOKtobool, BoolExp.sizeof, e);
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0
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22 type = t;
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23 }
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24
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72
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25 override Expression semantic(Scope sc)
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0
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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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72
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34 override Expression optimize(int result)
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0
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35 {
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36 assert(false);
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37 }
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38
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72
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39 override Expression interpret(InterState istate)
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0
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40 {
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41 assert(false);
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42 }
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43
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72
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44 override int isBit()
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0
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45 {
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46 return true;
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47 }
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48
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72
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49 override elem* toElem(IRState* irs)
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0
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50 {
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51 elem* e1 = this.e1.toElem(irs);
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52 return el_una(OPbool,type.totym(),e1);
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53 }
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54 }
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55
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