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1 module dmd.DtorDeclaration;
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2
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3 import dmd.FuncDeclaration;
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4 import dmd.Loc;
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5 import dmd.Global;
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6 import dmd.Identifier;
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7 import dmd.Dsymbol;
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8 import dmd.Scope;
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9 import dmd.LINK;
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10 import dmd.AggregateDeclaration;
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11 import dmd.TypeFunction;
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12 import dmd.Type;
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13 import dmd.OutBuffer;
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14 import dmd.HdrGenState;
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15 import dmd.STC;
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16 import dmd.Id;
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17
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18 class DtorDeclaration : FuncDeclaration
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19 {
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20 this(Loc loc, Loc endloc)
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21 {
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22 super(loc, endloc, Id.dtor, STCundefined, null);
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23 }
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24
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25 this(Loc loc, Loc endloc, Identifier id)
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26 {
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27 assert(false);
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28 super(loc, endloc, null, STC.init, null);
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29 }
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30
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31 Dsymbol syntaxCopy(Dsymbol)
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32 {
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33 assert(false);
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34 }
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35
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36 void semantic(Scope sc)
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37 {
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38 //printf("DtorDeclaration::semantic() %s\n", toChars());
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39 //printf("ident: %s, %s, %p, %p\n", ident.toChars(), Id::dtor.toChars(), ident, Id::dtor);
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40 parent = sc.parent;
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41 Dsymbol parent = toParent();
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42 AggregateDeclaration ad = parent.isAggregateDeclaration();
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43 if (!ad)
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44 {
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45 error("destructors are only for class/struct/union definitions, not %s %s", parent.kind(), parent.toChars());
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46 }
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47 else if (ident == Id.dtor)
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48 ad.dtors.push(cast(void*)this);
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49
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50 type = new TypeFunction(null, Type.tvoid, false, LINK.LINKd);
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51
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52 sc = sc.push();
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53 sc.stc &= ~STCstatic; // not a static destructor
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54 sc.linkage = LINK.LINKd;
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55
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56 FuncDeclaration.semantic(sc);
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57
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58 sc.pop();
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59 }
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60
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61 void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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62 {
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63 assert(false);
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64 }
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65
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66 string kind()
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67 {
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68 assert(false);
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69 }
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70
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71 string toChars()
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72 {
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73 return "~this";
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74 }
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75
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76 bool isVirtual()
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77 {
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78 /* This should be FALSE so that dtor's don't get put into the vtbl[],
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79 * but doing so will require recompiling everything.
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80 */
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81 version (BREAKABI) {
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82 return false;
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83 } else {
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84 return FuncDeclaration.isVirtual();
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85 }
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86 }
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87
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88 bool addPreInvariant()
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89 {
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90 return (isThis() && vthis && global.params.useInvariants);
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91 }
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92
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93 bool addPostInvariant()
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94 {
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95 return false;
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96 }
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97
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98 bool overloadInsert(Dsymbol s)
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99 {
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100 assert(false);
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101 }
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102
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103 void emitComment(Scope sc)
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104 {
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105 assert(false);
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106 }
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107
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108 DtorDeclaration isDtorDeclaration() { return this; }
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109 } |
