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annotate dmd/ComExp.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.ComExp;
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2
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3 import dmd.common;
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4 import dmd.Expression;
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5 import dmd.Identifier;
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6 import dmd.backend.elem;
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7 import dmd.UnaExp;
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8 import dmd.InterState;
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9 import dmd.OutBuffer;
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10 import dmd.Loc;
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11 import dmd.Scope;
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12 import dmd.IRState;
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13 import dmd.ArrayTypes;
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14 import dmd.TOK;
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15 import dmd.TY;
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16 import dmd.Id;
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17
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18 import dmd.backend.Util;
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19 import dmd.backend.OPER;
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20
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21 import dmd.expression.Util;
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22 import dmd.expression.Com;
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23
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24 class ComExp : UnaExp
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25 {
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26 this(Loc loc, Expression e)
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27 {
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28 register();
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29
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30 super(loc, TOKtilde, ComExp.sizeof, e);
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31 }
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32
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33 override Expression semantic(Scope sc)
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34 {
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35 Expression e;
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36
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37 if (!type)
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38 {
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39 UnaExp.semantic(sc);
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40 e1 = resolveProperties(sc, e1);
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41 e = op_overload(sc);
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42 if (e)
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43 return e;
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44
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45 e1.checkNoBool();
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46 if (e1.op != TOKslice)
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47 e1 = e1.checkIntegral();
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48 type = e1.type;
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49 }
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50 return this;
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51 }
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52
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53 override Expression optimize(int result)
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54 {
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55 Expression e;
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56
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57 e1 = e1.optimize(result);
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58 if (e1.isConst() == 1)
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59 {
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60 e = Com(type, e1);
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61 }
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62 else
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63 e = this;
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64
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65 return e;
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66 }
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67
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68 override Expression interpret(InterState istate)
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69 {
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70 assert(false);
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71 }
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72
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73 override void buildArrayIdent(OutBuffer buf, Expressions arguments)
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74 {
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75 e1.buildArrayIdent(buf, arguments);
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76 buf.writestring("Com");
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77 }
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78
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79 override Expression buildArrayLoop(Parameters fparams)
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80 {
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81 Expression ex1 = e1.buildArrayLoop(fparams);
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82 Expression e = new ComExp(Loc(0), ex1);
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83 return e;
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84 }
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86 override Identifier opId()
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87 {
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88 return Id.com;
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89 }
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91 override elem* toElem(IRState* irs)
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92 {
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93 elem *e;
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94
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95 elem *e1 = this.e1.toElem(irs);
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96 tym_t ty = type.totym();
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97 if (this.e1.type.toBasetype().ty == Tbool)
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98 e = el_bin(OPxor, ty, e1, el_long(ty, 1));
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99 else
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100 e = el_una(OPcom,ty,e1);
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101 el_setLoc(e,loc);
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102 return e;
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103 }
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104 }
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105