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1 module dmd.MulAssignExp;
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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.OutBuffer;
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9 import dmd.Id;
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10 import dmd.ArrayTypes;
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11 import dmd.Identifier;
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12 import dmd.IRState;
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13 import dmd.TOK;
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14 import dmd.Type;
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15 import dmd.TY;
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16
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17 import dmd.backend.elem;
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18 import dmd.backend.OPER;
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19 import dmd.expression.Util;
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20
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21 class MulAssignExp : BinExp
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22 {
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23 this(Loc loc, Expression e1, Expression e2)
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24 {
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25 super(loc, TOK.TOKmulass, MulAssignExp.sizeof, e1, e2);
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26 }
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27
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28 Expression semantic(Scope sc)
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29 {
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30 Expression e;
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31
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32 BinExp.semantic(sc);
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33 e2 = resolveProperties(sc, e2);
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34
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35 e = op_overload(sc);
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36 if (e)
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37 return e;
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38
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39 if (e1.op == TOKslice)
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40 { // T[] -= ...
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41 typeCombine(sc);
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42 type = e1.type;
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43 return arrayOp(sc);
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44 }
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45
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46 e1 = e1.modifiableLvalue(sc, e1);
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47 e1.checkScalar();
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48 e1.checkNoBool();
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49 type = e1.type;
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50 typeCombine(sc);
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51 e1.checkArithmetic();
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52 e2.checkArithmetic();
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53 if (e2.type.isfloating())
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54 {
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55 Type t1;
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56 Type t2;
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57
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58 t1 = e1.type;
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59 t2 = e2.type;
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60 if (t1.isreal())
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61 {
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62 if (t2.isimaginary() || t2.iscomplex())
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63 {
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64 e2 = e2.castTo(sc, t1);
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65 }
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66 }
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67 else if (t1.isimaginary())
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68 {
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69 if (t2.isimaginary() || t2.iscomplex())
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70 {
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71 switch (t1.ty)
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72 {
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73 case Timaginary32: t2 = Type.tfloat32; break;
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74 case Timaginary64: t2 = Type.tfloat64; break;
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75 case Timaginary80: t2 = Type.tfloat80; break;
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76 default:
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77 assert(0);
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78 }
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79 e2 = e2.castTo(sc, t2);
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80 }
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81 }
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82 }
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83 return this;
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84 }
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85
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86 Expression interpret(InterState* istate)
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87 {
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88 assert(false);
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89 }
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90
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91 void buildArrayIdent(OutBuffer buf, Expressions arguments)
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92 {
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93 assert(false);
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94 }
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95
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96 Expression buildArrayLoop(Arguments fparams)
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97 {
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98 assert(false);
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99 }
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100
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101 Identifier opId() /* For operator overloading */
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102 {
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103 return Id.mulass;
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104 }
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105
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106 elem* toElem(IRState* irs)
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107 {
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108 return toElemBin(irs,OPmulass);
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109 }
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110 } |