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1 module dmd.ShlAssignExp;
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2
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3 import dmd.BinExp;
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4 import dmd.Loc;
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5 import dmd.Expression;
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6 import dmd.Scope;
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7 import dmd.InterState;
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8 import dmd.Identifier;
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9 import dmd.IRState;
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10 import dmd.TOK;
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11 import dmd.Id;
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12 import dmd.Type;
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13 import dmd.backend.elem;
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14 import dmd.backend.OPER;
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15 import dmd.expression.Util;
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16
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17 class ShlAssignExp : BinExp
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18 {
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19 this(Loc loc, Expression e1, Expression e2)
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20 {
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21 super(loc, TOK.TOKshlass, ShlAssignExp.sizeof, e1, e2);
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22 }
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23
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24 Expression semantic(Scope sc)
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25 {
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26 Expression e;
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27
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28 //printf("ShlAssignExp.semantic()\n");
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29 BinExp.semantic(sc);
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30 e2 = resolveProperties(sc, e2);
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31
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32 e = op_overload(sc);
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33 if (e)
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34 return e;
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35
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36 e1 = e1.modifiableLvalue(sc, e1);
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37 e1.checkScalar();
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38 e1.checkNoBool();
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39 type = e1.type;
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40 typeCombine(sc);
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41 e1.checkIntegral();
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42 e2 = e2.checkIntegral();
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43 e2 = e2.castTo(sc, Type.tshiftcnt);
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44 return this;
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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 Identifier opId() /* For operator overloading */
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53 {
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54 return Id.shlass;
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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 return toElemBin(irs,OPshlass);
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60 }
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61 } |
