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1 module dmd.ComExp;
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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.UnaExp;
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7 import dmd.InterState;
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8 import dmd.OutBuffer;
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9 import dmd.Loc;
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10 import dmd.Scope;
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11 import dmd.IRState;
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12 import dmd.ArrayTypes;
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13 import dmd.TOK;
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14 import dmd.TY;
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15
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16 import dmd.backend.Util;
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17 import dmd.backend.OPER;
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18
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19 import dmd.expression.Util;
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20 import dmd.expression.Com;
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21
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22 class ComExp : UnaExp
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23 {
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24 this(Loc loc, Expression e)
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25 {
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26 super(loc, TOKtilde, ComExp.sizeof, e);
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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;
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32
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33 if (!type)
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34 {
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35 UnaExp.semantic(sc);
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36 e1 = resolveProperties(sc, e1);
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37 e = op_overload(sc);
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38 if (e)
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39 return e;
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40
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41 e1.checkNoBool();
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42 if (e1.op != TOKslice)
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43 e1 = e1.checkIntegral();
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44 type = e1.type;
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45 }
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46 return this;
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47 }
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48
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49 Expression optimize(int result)
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50 {
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51 Expression e;
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52
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53 e1 = e1.optimize(result);
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54 if (e1.isConst() == 1)
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55 {
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56 e = Com(type, e1);
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57 }
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58 else
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59 e = this;
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60
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61 return e;
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62 }
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63
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63
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64 Expression interpret(InterState istate)
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65 {
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66 assert(false);
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67 }
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68
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69 void buildArrayIdent(OutBuffer buf, Expressions arguments)
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70 {
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71 assert(false);
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72 }
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73
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74 Expression buildArrayLoop(Arguments fparams)
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75 {
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76 assert(false);
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77 }
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78
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79 Identifier opId()
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80 {
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81 assert(false);
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82 }
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83
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84 elem* toElem(IRState* irs)
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85 {
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86 elem *e;
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87
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88 elem *e1 = this.e1.toElem(irs);
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89 tym_t ty = type.totym();
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90 if (this.e1.type.toBasetype().ty == Tbool)
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91 e = el_bin(OPxor, ty, e1, el_long(ty, 1));
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92 else
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93 e = el_una(OPcom,ty,e1);
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94 el_setLoc(e,loc);
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95 return e;
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96 }
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97 }
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98
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