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1 module dmd.PostExp;
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2
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3 import dmd.Expression;
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4 import dmd.Identifier;
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5 import dmd.backend.elem;
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6 import dmd.InterState;
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7 import dmd.OutBuffer;
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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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11 import dmd.BinExp;
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12 import dmd.HdrGenState;
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13 import dmd.IntegerExp;
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14 import dmd.TOK;
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15 import dmd.Type;
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16 import dmd.TY;
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17 import dmd.Id;
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18
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19 import dmd.backend.Util;
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20 import dmd.backend.OPER;
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21
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22 class PostExp : BinExp
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23 {
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24 this(TOK op, Loc loc, Expression e)
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25 {
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26 super(loc, op, PostExp.sizeof, e, new IntegerExp(loc, 1, Type.tint32));
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27 }
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28
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29 Expression semantic(Scope sc)
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30 {
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31 Expression e = this;
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32
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33 if (!type)
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34 {
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35 BinExp.semantic(sc);
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36 e2 = resolveProperties(sc, e2);
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37
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38 e = op_overload(sc);
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39 if (e)
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40 return e;
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41
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42 e = this;
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43 e1 = e1.modifiableLvalue(sc, e1);
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44 e1.checkScalar();
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45 e1.checkNoBool();
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46 if (e1.type.ty == Tpointer)
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47 e = scaleFactor(sc);
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48 else
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49 e2 = e2.castTo(sc, e1.type);
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50 e.type = e1.type;
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51 }
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52 return e;
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53 }
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54
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63
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55 Expression interpret(InterState istate)
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0
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56 {
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57 assert(false);
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58 }
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59
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60 void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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61 {
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62 assert(false);
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63 }
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64
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65 Identifier opId()
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66 {
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67 return (op == TOKplusplus) ? Id.postinc : Id.postdec;
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68 }
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69
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70 elem* toElem(IRState* irs)
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71 {
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72 elem* e;
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73 elem* einc;
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74
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75 e = e1.toElem(irs);
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76 einc = e2.toElem(irs);
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77 e = el_bin((op == TOKplusplus) ? OPpostinc : OPpostdec,
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78 e.Ety,e,einc);
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79 el_setLoc(e,loc);
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80 return e;
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81 }
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82 }
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83
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