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annotate dmd/ShlAssignExp.d @ 182:b64060ab22df

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Now compileable with dmd2.050
author korDen
date Sat, 30 Oct 2010 05:05:32 +0400
parents e3afd1303184
children b0d41ff5e0df
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1 module dmd.ShlAssignExp;
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2
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3 import dmd.common;
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4 import dmd.BinExp;
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5 import dmd.Loc;
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6 import dmd.Expression;
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7 import dmd.Scope;
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8 import dmd.InterState;
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9 import dmd.Identifier;
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10 import dmd.IRState;
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11 import dmd.TOK;
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12 import dmd.Id;
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13 import dmd.Type;
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14 import dmd.ArrayLengthExp;
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15 import dmd.backend.elem;
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16 import dmd.backend.OPER;
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17 import dmd.expression.Shl;
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18 import dmd.expression.Util;
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19
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20 class ShlAssignExp : BinExp
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21 {
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22 this(Loc loc, Expression e1, Expression e2)
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23 {
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24 register();
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25 super(loc, TOK.TOKshlass, ShlAssignExp.sizeof, e1, e2);
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26 }
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28 override Expression semantic(Scope sc)
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29 {
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30 Expression e;
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32 //printf("ShlAssignExp.semantic()\n");
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33 BinExp.semantic(sc);
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34 e2 = resolveProperties(sc, e2);
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35
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36 e = op_overload(sc);
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37 if (e)
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38 return e;
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40 if (e1.op == TOK.TOKarraylength)
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41 {
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42 e = ArrayLengthExp.rewriteOpAssign(this);
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43 e = e.semantic(sc);
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44 return e;
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45 }
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46
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47 e1 = e1.modifiableLvalue(sc, e1);
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48 e1.checkScalar();
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49 e1.checkNoBool();
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50 type = e1.type;
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51 typeCombine(sc);
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52 e1.checkIntegral();
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53 e2 = e2.checkIntegral();
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54 e2 = e2.castTo(sc, Type.tshiftcnt);
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55 return this;
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56 }
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58 override Expression interpret(InterState istate)
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59 {
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60 return interpretAssignCommon(istate, &Shl);
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61 }
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63 override Identifier opId() /* For operator overloading */
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64 {
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65 return Id.shlass;
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66 }
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67
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68 override elem* toElem(IRState* irs)
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69 {
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70 return toElemBin(irs,OPshlass);
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71 }
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72 }