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annotate dmd/StorageClassDeclaration.d @ 0:10317f0c89a5

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author korDen
date Sat, 24 Oct 2009 08:42:06 +0400
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1 module dmd.StorageClassDeclaration;
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2
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3 import dmd.AttribDeclaration;
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4 import dmd.Array;
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5 import dmd.TOK;
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6 import dmd.Token;
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7 import dmd.Scope;
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8 import dmd.Dsymbol;
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9 import dmd.OutBuffer;
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10 import dmd.HdrGenState;
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11 import dmd.STC;
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12
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13 class StorageClassDeclaration: AttribDeclaration
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14 {
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15 STC stc;
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16
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17 this(STC stc, Array decl)
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18 {
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19 super(decl);
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20
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21 this.stc = stc;
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22 }
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23
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24 Dsymbol syntaxCopy(Dsymbol s)
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25 {
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26 assert(false);
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27 }
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28
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29 void setScope(Scope sc)
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30 {
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31 if (decl)
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32 {
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33 STC scstc = sc.stc;
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34
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35 /* These sets of storage classes are mutually exclusive,
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36 * so choose the innermost or most recent one.
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37 */
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38 if (stc & (STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCextern | STC.STCmanifest))
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39 scstc &= ~(STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCextern | STC.STCmanifest);
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40 if (stc & (STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCtls | STC.STCmanifest | STC.STCgshared))
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41 scstc &= ~(STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCtls | STC.STCmanifest | STC.STCgshared);
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42 if (stc & (STC.STCconst | STC.STCimmutable | STC.STCmanifest))
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43 scstc &= ~(STC.STCconst | STC.STCimmutable | STC.STCmanifest);
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44 if (stc & (STC.STCgshared | STC.STCshared | STC.STCtls))
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45 scstc &= ~(STC.STCgshared | STC.STCshared | STC.STCtls);
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46 scstc |= stc;
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47
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48 setScopeNewSc(sc, scstc, sc.linkage, sc.protection, sc.explicitProtection, sc.structalign);
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49 }
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50 }
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51
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52 void semantic(Scope sc)
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53 {
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54 if (decl)
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55 {
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56 STC scstc = sc.stc;
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57
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58 /* These sets of storage classes are mutually exclusive,
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59 * so choose the innermost or most recent one.
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60 */
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61 if (stc & (STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCextern | STC.STCmanifest))
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62 scstc &= ~(STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCextern | STC.STCmanifest);
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63 if (stc & (STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCtls | STC.STCmanifest | STC.STCgshared))
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64 scstc &= ~(STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCtls | STC.STCmanifest | STC.STCgshared);
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65 if (stc & (STC.STCconst | STC.STCimmutable | STC.STCmanifest))
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66 scstc &= ~(STC.STCconst | STC.STCimmutable | STC.STCmanifest);
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67 if (stc & (STC.STCgshared | STC.STCshared | STC.STCtls))
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68 scstc &= ~(STC.STCgshared | STC.STCshared | STC.STCtls);
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69 scstc |= stc;
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70
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71 semanticNewSc(sc, scstc, sc.linkage, sc.protection, sc.explicitProtection, sc.structalign);
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72 }
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73 }
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74
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75 void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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76 {
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77 assert(false);
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78 }
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79
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80 static void stcToCBuffer(OutBuffer buf, int stc)
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81 {
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82 struct SCstring
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83 {
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84 int stc;
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85 TOK tok;
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86 };
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87
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88 static SCstring[] table =
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89 [
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90 { STCauto, TOKauto },
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91 { STCscope, TOKscope },
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92 { STCstatic, TOKstatic },
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93 { STCextern, TOKextern },
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94 { STCconst, TOKconst },
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95 { STCfinal, TOKfinal },
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96 { STCabstract, TOKabstract },
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97 { STCsynchronized, TOKsynchronized },
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98 { STCdeprecated, TOKdeprecated },
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99 { STCoverride, TOKoverride },
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100 { STClazy, TOKlazy },
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101 { STCalias, TOKalias },
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102 { STCout, TOKout },
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103 { STCin, TOKin },
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104 /// version (DMDV2) {
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105 /// { STCimmutable, TOKimmutable },
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106 /// { STCshared, TOKshared },
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107 /// { STCnothrow, TOKnothrow },
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108 /// { STCpure, TOKpure },
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109 /// { STCref, TOKref },
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110 /// { STCtls, TOKtls },
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111 /// { STCgshared, TOKgshared },
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112 /// }
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113 ];
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114
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115 for (int i = 0; i < table.length; i++)
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116 {
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117 if (stc & table[i].stc)
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118 {
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119 buf.writestring(Token.toChars(table[i].tok));
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120 buf.writeByte(' ');
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121 }
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122 }
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123 }
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124 }