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annotate dmd/StorageClassDeclaration.d @ 131:206db751bd4c

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author Eldar Insafutdinov <e.insafutdinov@gmail.com>
date Fri, 10 Sep 2010 00:27:37 +0100
parents 60bb0fe4563e
children 96c0fff6897d
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1 module dmd.StorageClassDeclaration;
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2
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3 import dmd.common;
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4 import dmd.AttribDeclaration;
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5 import dmd.Array;
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6 import dmd.TOK;
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7 import dmd.Token;
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8 import dmd.Scope;
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9 import dmd.Dsymbol;
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10 import dmd.OutBuffer;
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11 import dmd.HdrGenState;
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12 import dmd.STC;
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13 import dmd.Id;
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14 import dmd.Identifier;
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15
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16 class StorageClassDeclaration: AttribDeclaration
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17 {
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18 StorageClass stc;
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19
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20 this(StorageClass stc, Dsymbols decl)
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21 {
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22 super(decl);
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23
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24 this.stc = stc;
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25 }
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26
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27 override Dsymbol syntaxCopy(Dsymbol s)
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28 {
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29 StorageClassDeclaration scd;
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30
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31 assert(!s);
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32 scd = new StorageClassDeclaration(stc, Dsymbol.arraySyntaxCopy(decl));
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33 return scd;
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34 }
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35
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36 override void setScope(Scope sc)
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37 {
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38 if (decl)
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39 {
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40 StorageClass scstc = sc.stc;
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41
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42 /* These sets of storage classes are mutually exclusive,
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43 * so choose the innermost or most recent one.
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44 */
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45 if (stc & (STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCextern | STC.STCmanifest))
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46 scstc &= ~(STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCextern | STC.STCmanifest);
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47 if (stc & (STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCtls | STC.STCmanifest | STC.STCgshared))
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48 scstc &= ~(STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCtls | STC.STCmanifest | STC.STCgshared);
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49 if (stc & (STC.STCconst | STC.STCimmutable | STC.STCmanifest))
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50 scstc &= ~(STC.STCconst | STC.STCimmutable | STC.STCmanifest);
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51 if (stc & (STC.STCgshared | STC.STCshared | STC.STCtls))
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52 scstc &= ~(STC.STCgshared | STC.STCshared | STC.STCtls);
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53 if (stc & (STCsafe | STCtrusted | STCsystem))
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54 scstc &= ~(STCsafe | STCtrusted | STCsystem);
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55 scstc |= stc;
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56
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57 setScopeNewSc(sc, scstc, sc.linkage, sc.protection, sc.explicitProtection, sc.structalign);
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58 }
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59 }
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60
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61 override void semantic(Scope sc)
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62 {
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63 if (decl)
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64 {
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65 StorageClass scstc = sc.stc;
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66
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67 /* These sets of storage classes are mutually exclusive,
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68 * so choose the innermost or most recent one.
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69 */
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70 if (stc & (STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCextern | STC.STCmanifest))
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71 scstc &= ~(STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCextern | STC.STCmanifest);
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72 if (stc & (STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCtls | STC.STCmanifest | STC.STCgshared))
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73 scstc &= ~(STC.STCauto | STC.STCscope | STC.STCstatic | STC.STCtls | STC.STCmanifest | STC.STCgshared);
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74 if (stc & (STC.STCconst | STC.STCimmutable | STC.STCmanifest))
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75 scstc &= ~(STC.STCconst | STC.STCimmutable | STC.STCmanifest);
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76 if (stc & (STC.STCgshared | STC.STCshared | STC.STCtls))
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77 scstc &= ~(STC.STCgshared | STC.STCshared | STC.STCtls);
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78 if (stc & (STCsafe | STCtrusted | STCsystem))
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79 scstc &= ~(STCsafe | STCtrusted | STCsystem);
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80 scstc |= stc;
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81
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82 semanticNewSc(sc, scstc, sc.linkage, sc.protection, sc.explicitProtection, sc.structalign);
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83 }
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84 }
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85
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86 override void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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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 static void stcToCBuffer(OutBuffer buf, StorageClass stc)
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92 {
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93 struct SCstring
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94 {
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95 StorageClass stc;
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96 TOK tok;
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97 };
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98
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99 static SCstring[] table =
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100 [
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101 { STCauto, TOKauto },
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102 { STCscope, TOKscope },
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103 { STCstatic, TOKstatic },
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104 { STCextern, TOKextern },
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105 { STCconst, TOKconst },
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106 { STCfinal, TOKfinal },
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107 { STCabstract, TOKabstract },
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108 { STCsynchronized, TOKsynchronized },
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109 { STCdeprecated, TOKdeprecated },
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110 { STCoverride, TOKoverride },
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111 { STClazy, TOKlazy },
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112 { STCalias, TOKalias },
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113 { STCout, TOKout },
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114 { STCin, TOKin },
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115 /// version (DMDV2) {
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116 /// { STCimmutable, TOKimmutable },
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117 /// { STCshared, TOKshared },
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118 /// { STCnothrow, TOKnothrow },
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119 /// { STCpure, TOKpure },
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120 /// { STCref, TOKref },
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121 /// { STCtls, TOKtls },
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122 /// { STCgshared, TOKgshared },
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123 /// { STCproperty, TOKat },
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124 /// { STCsafe, TOKat },
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125 /// { STCtrusted, TOKat },
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126 /// }
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127 ];
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128
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129 for (int i = 0; i < table.length; i++)
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130 {
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131 if (stc & table[i].stc)
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132 {
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133 enum TOK tok = table[i].tok;
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134 if (tok == TOKat)
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135 { Identifier id;
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136
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137 if (stc & STCproperty)
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138 id = Id.property;
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139 else if (stc & STCsafe)
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140 id = Id.safe;
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141 else if (stc & STCtrusted)
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142 id = Id.trusted;
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143 else
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144 assert(0);
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145 buf.writestring(id.toChars());
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146 }
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147 else
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148 buf.writestring(Token.toChars(tok));
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149 buf.writeByte(' ');
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150 }
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151 }
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152 }
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153 }