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annotate perl-5.22.2/mro_core.c @ 8045:a16537d2fe07

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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
author HackBot
date Sat, 14 May 2016 14:54:38 +0000
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8045
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1 /* mro_core.c
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2 *
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3 * Copyright (c) 2007 Brandon L Black
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4 * Copyright (c) 2007, 2008, 2009, 2010, 2011 Larry Wall and others
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5 *
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6 * You may distribute under the terms of either the GNU General Public
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7 * License or the Artistic License, as specified in the README file.
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8 *
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9 * This was 'mro.c', but changed because there is another mro.c in /ext, and
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10 * the os390 loader can't cope with this situation (which involves the two
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11 * files calling functions defined in the other)
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12 */
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13
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14 /*
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15 * 'Which order shall we go in?' said Frodo. 'Eldest first, or quickest first?
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16 * You'll be last either way, Master Peregrin.'
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17 *
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18 * [p.101 of _The Lord of the Rings_, I/iii: "A Conspiracy Unmasked"]
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19 */
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20
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21 /*
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22 =head1 MRO Functions
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23 These functions are related to the method resolution order of perl classes
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24
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25 =cut
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26 */
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27
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28 #include "EXTERN.h"
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29 #define PERL_IN_MRO_C
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30 #include "perl.h"
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31
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32 static const struct mro_alg dfs_alg =
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33 {S_mro_get_linear_isa_dfs, "dfs", 3, 0, 0};
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34
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35 SV *
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36 Perl_mro_get_private_data(pTHX_ struct mro_meta *const smeta,
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37 const struct mro_alg *const which)
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38 {
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39 SV **data;
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40 PERL_ARGS_ASSERT_MRO_GET_PRIVATE_DATA;
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41
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42 data = (SV **)Perl_hv_common(aTHX_ smeta->mro_linear_all, NULL,
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43 which->name, which->length, which->kflags,
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44 HV_FETCH_JUST_SV, NULL, which->hash);
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45 if (!data)
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46 return NULL;
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47
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48 /* If we've been asked to look up the private data for the current MRO, then
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49 cache it. */
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50 if (smeta->mro_which == which)
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51 smeta->mro_linear_current = *data;
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52
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53 return *data;
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54 }
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55
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56 SV *
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57 Perl_mro_set_private_data(pTHX_ struct mro_meta *const smeta,
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58 const struct mro_alg *const which, SV *const data)
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59 {
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60 PERL_ARGS_ASSERT_MRO_SET_PRIVATE_DATA;
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61
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62 if (!smeta->mro_linear_all) {
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63 if (smeta->mro_which == which) {
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64 /* If all we need to store is the current MRO's data, then don't use
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65 memory on a hash with 1 element - store it direct, and signal
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66 this by leaving the would-be-hash NULL. */
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67 smeta->mro_linear_current = data;
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68 return data;
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69 } else {
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70 HV *const hv = newHV();
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71 /* Start with 2 buckets. It's unlikely we'll need more. */
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72 HvMAX(hv) = 1;
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73 smeta->mro_linear_all = hv;
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74
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75 if (smeta->mro_linear_current) {
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76 /* If we were storing something directly, put it in the hash
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77 before we lose it. */
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78 Perl_mro_set_private_data(aTHX_ smeta, smeta->mro_which,
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79 smeta->mro_linear_current);
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80 }
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81 }
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82 }
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83
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84 /* We get here if we're storing more than one linearisation for this stash,
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85 or the linearisation we are storing is not that if its current MRO. */
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86
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87 if (smeta->mro_which == which) {
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88 /* If we've been asked to store the private data for the current MRO,
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89 then cache it. */
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90 smeta->mro_linear_current = data;
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91 }
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92
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93 if (!Perl_hv_common(aTHX_ smeta->mro_linear_all, NULL,
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94 which->name, which->length, which->kflags,
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95 HV_FETCH_ISSTORE, data, which->hash)) {
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96 Perl_croak(aTHX_ "panic: hv_store() failed in set_mro_private_data() "
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97 "for '%.*s' %d", (int) which->length, which->name,
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98 which->kflags);
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99 }
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100
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101 return data;
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102 }
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103
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104 const struct mro_alg *
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105 Perl_mro_get_from_name(pTHX_ SV *name) {
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106 SV **data;
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107
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108 PERL_ARGS_ASSERT_MRO_GET_FROM_NAME;
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109
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110 data = (SV **)Perl_hv_common(aTHX_ PL_registered_mros, name, NULL, 0, 0,
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111 HV_FETCH_JUST_SV, NULL, 0);
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112 if (!data)
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113 return NULL;
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114 assert(SvTYPE(*data) == SVt_IV);
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115 assert(SvIOK(*data));
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116 return INT2PTR(const struct mro_alg *, SvUVX(*data));
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117 }
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118
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119 /*
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120 =for apidoc mro_register
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121 Registers a custom mro plugin. See L<perlmroapi> for details.
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122
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123 =cut
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124 */
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125
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126 void
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127 Perl_mro_register(pTHX_ const struct mro_alg *mro) {
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128 SV *wrapper = newSVuv(PTR2UV(mro));
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129
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130 PERL_ARGS_ASSERT_MRO_REGISTER;
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131
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132
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133 if (!Perl_hv_common(aTHX_ PL_registered_mros, NULL,
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134 mro->name, mro->length, mro->kflags,
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135 HV_FETCH_ISSTORE, wrapper, mro->hash)) {
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136 SvREFCNT_dec_NN(wrapper);
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137 Perl_croak(aTHX_ "panic: hv_store() failed in mro_register() "
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138 "for '%.*s' %d", (int) mro->length, mro->name, mro->kflags);
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139 }
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140 }
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141
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142 struct mro_meta*
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143 Perl_mro_meta_init(pTHX_ HV* stash)
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144 {
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145 struct mro_meta* newmeta;
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146
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147 PERL_ARGS_ASSERT_MRO_META_INIT;
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148 PERL_UNUSED_CONTEXT;
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149 assert(HvAUX(stash));
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150 assert(!(HvAUX(stash)->xhv_mro_meta));
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151 Newxz(newmeta, 1, struct mro_meta);
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152 HvAUX(stash)->xhv_mro_meta = newmeta;
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153 newmeta->cache_gen = 1;
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154 newmeta->pkg_gen = 1;
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155 newmeta->mro_which = &dfs_alg;
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156
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157 return newmeta;
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158 }
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159
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160 #if defined(USE_ITHREADS)
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161
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162 /* for sv_dup on new threads */
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163 struct mro_meta*
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164 Perl_mro_meta_dup(pTHX_ struct mro_meta* smeta, CLONE_PARAMS* param)
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165 {
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166 struct mro_meta* newmeta;
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167
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168 PERL_ARGS_ASSERT_MRO_META_DUP;
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169
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170 Newx(newmeta, 1, struct mro_meta);
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171 Copy(smeta, newmeta, 1, struct mro_meta);
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172
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173 if (newmeta->mro_linear_all) {
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174 newmeta->mro_linear_all
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175 = MUTABLE_HV(sv_dup_inc((const SV *)newmeta->mro_linear_all, param));
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176 /* This is just acting as a shortcut pointer, and will be automatically
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177 updated on the first get. */
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178 newmeta->mro_linear_current = NULL;
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179 } else if (newmeta->mro_linear_current) {
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180 /* Only the current MRO is stored, so this owns the data. */
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181 newmeta->mro_linear_current
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182 = sv_dup_inc((const SV *)newmeta->mro_linear_current, param);
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183 }
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184
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185 if (newmeta->mro_nextmethod)
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186 newmeta->mro_nextmethod
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187 = MUTABLE_HV(sv_dup_inc((const SV *)newmeta->mro_nextmethod, param));
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188 if (newmeta->isa)
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189 newmeta->isa
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190 = MUTABLE_HV(sv_dup_inc((const SV *)newmeta->isa, param));
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191
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192 newmeta->super = NULL;
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193
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194 return newmeta;
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195 }
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196
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197 #endif /* USE_ITHREADS */
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198
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199 /*
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200 =for apidoc mro_get_linear_isa_dfs
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201
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202 Returns the Depth-First Search linearization of @ISA
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203 the given stash. The return value is a read-only AV*.
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204 C<level> should be 0 (it is used internally in this
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205 function's recursion).
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206
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207 You are responsible for C<SvREFCNT_inc()> on the
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208 return value if you plan to store it anywhere
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209 semi-permanently (otherwise it might be deleted
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210 out from under you the next time the cache is
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211 invalidated).
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212
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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213 =cut
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214 */
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215 static AV*
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216 S_mro_get_linear_isa_dfs(pTHX_ HV *stash, U32 level)
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217 {
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218 AV* retval;
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219 GV** gvp;
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220 GV* gv;
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221 AV* av;
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222 const HEK* stashhek;
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223 struct mro_meta* meta;
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224 SV *our_name;
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225 HV *stored = NULL;
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226
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227 PERL_ARGS_ASSERT_MRO_GET_LINEAR_ISA_DFS;
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228 assert(HvAUX(stash));
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229
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230 stashhek
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231 = HvAUX(stash)->xhv_name_u.xhvnameu_name && HvENAME_HEK_NN(stash)
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232 ? HvENAME_HEK_NN(stash)
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233 : HvNAME_HEK(stash);
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234
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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235 if (!stashhek)
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236 Perl_croak(aTHX_ "Can't linearize anonymous symbol table");
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237
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238 if (level > 100)
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239 Perl_croak(aTHX_
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240 "Recursive inheritance detected in package '%"HEKf"'",
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241 HEKfARG(stashhek));
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242
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243 meta = HvMROMETA(stash);
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244
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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245 /* return cache if valid */
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246 if((retval = MUTABLE_AV(MRO_GET_PRIVATE_DATA(meta, &dfs_alg)))) {
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247 return retval;
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248 }
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249
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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250 /* not in cache, make a new one */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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251
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
252 retval = MUTABLE_AV(sv_2mortal(MUTABLE_SV(newAV())));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
253 /* We use this later in this function, but don't need a reference to it
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
254 beyond the end of this function, so reference count is fine. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
255 our_name = newSVhek(stashhek);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
256 av_push(retval, our_name); /* add ourselves at the top */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
257
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
258 /* fetch our @ISA */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
259 gvp = (GV**)hv_fetchs(stash, "ISA", FALSE);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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260 av = (gvp && (gv = *gvp) && isGV_with_GP(gv)) ? GvAV(gv) : NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
261
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
262 /* "stored" is used to keep track of all of the classnames we have added to
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
263 the MRO so far, so we can do a quick exists check and avoid adding
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
264 duplicate classnames to the MRO as we go.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
265 It's then retained to be re-used as a fast lookup for ->isa(), by adding
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
266 our own name and "UNIVERSAL" to it. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
267
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
268 if(av && AvFILLp(av) >= 0) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
269
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
270 SV **svp = AvARRAY(av);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
271 I32 items = AvFILLp(av) + 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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272
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
273 /* foreach(@ISA) */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
274 while (items--) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
275 SV* const sv = *svp ? *svp : &PL_sv_undef;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
276 HV* const basestash = gv_stashsv(sv, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
277 SV *const *subrv_p;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
278 I32 subrv_items;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
279 svp++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
280
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
281 if (!basestash) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
282 /* if no stash exists for this @ISA member,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
283 simply add it to the MRO and move on */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
284 subrv_p = &sv;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
285 subrv_items = 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
286 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
287 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
288 /* otherwise, recurse into ourselves for the MRO
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
289 of this @ISA member, and append their MRO to ours.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
290 The recursive call could throw an exception, which
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
291 has memory management implications here, hence the use of
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
292 the mortal. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
293 const AV *const subrv
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
294 = mro_get_linear_isa_dfs(basestash, level + 1);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
295
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
296 subrv_p = AvARRAY(subrv);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
297 subrv_items = AvFILLp(subrv) + 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
298 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
299 if (stored) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
300 while(subrv_items--) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
301 SV *const subsv = *subrv_p++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
302 /* LVALUE fetch will create a new undefined SV if necessary
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
303 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
304 HE *const he = hv_fetch_ent(stored, subsv, 1, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
305 assert(he);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
306 if(HeVAL(he) != &PL_sv_undef) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
307 /* It was newly created. Steal it for our new SV, and
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
308 replace it in the hash with the "real" thing. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
309 SV *const val = HeVAL(he);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
310 HEK *const key = HeKEY_hek(he);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
311
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
312 HeVAL(he) = &PL_sv_undef;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
313 sv_sethek(val, key);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
314 av_push(retval, val);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
315 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
316 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
317 } else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
318 /* We are the first (or only) parent. We can short cut the
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
319 complexity above, because our @ISA is simply us prepended
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
320 to our parent's @ISA, and our ->isa cache is simply our
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
321 parent's, with our name added. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
322 /* newSVsv() is slow. This code is only faster if we can avoid
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
323 it by ensuring that SVs in the arrays are shared hash key
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
324 scalar SVs, because we can "copy" them very efficiently.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
325 Although to be fair, we can't *ensure* this, as a reference
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
326 to the internal array is returned by mro::get_linear_isa(),
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
327 so we'll have to be defensive just in case someone faffed
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
328 with it. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
329 if (basestash) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
330 SV **svp;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
331 stored = MUTABLE_HV(sv_2mortal((SV*)newHVhv(HvMROMETA(basestash)->isa)));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
332 av_extend(retval, subrv_items);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
333 AvFILLp(retval) = subrv_items;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
334 svp = AvARRAY(retval);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
335 while(subrv_items--) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
336 SV *const val = *subrv_p++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
337 *++svp = SvIsCOW_shared_hash(val)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
338 ? newSVhek(SvSHARED_HEK_FROM_PV(SvPVX(val)))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
339 : newSVsv(val);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
340 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
341 } else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
342 /* They have no stash. So create ourselves an ->isa cache
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
343 as if we'd copied it from what theirs should be. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
344 stored = MUTABLE_HV(sv_2mortal(MUTABLE_SV(newHV())));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
345 (void) hv_store(stored, "UNIVERSAL", 9, &PL_sv_undef, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
346 av_push(retval,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
347 newSVhek(HeKEY_hek(hv_store_ent(stored, sv,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
348 &PL_sv_undef, 0))));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
349 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
350 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
351 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
352 } else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
353 /* We have no parents. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
354 stored = MUTABLE_HV(sv_2mortal(MUTABLE_SV(newHV())));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
355 (void) hv_store(stored, "UNIVERSAL", 9, &PL_sv_undef, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
356 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
357
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
358 (void) hv_store_ent(stored, our_name, &PL_sv_undef, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
359
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
360 SvREFCNT_inc_simple_void_NN(stored);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
361 SvTEMP_off(stored);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
362 SvREADONLY_on(stored);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
363
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
364 meta->isa = stored;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
365
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
366 /* now that we're past the exception dangers, grab our own reference to
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
367 the AV we're about to use for the result. The reference owned by the
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
368 mortals' stack will be released soon, so everything will balance. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
369 SvREFCNT_inc_simple_void_NN(retval);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
370 SvTEMP_off(retval);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
371
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
372 /* we don't want anyone modifying the cache entry but us,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
373 and we do so by replacing it completely */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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374 SvREADONLY_on(retval);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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375
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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376 return MUTABLE_AV(Perl_mro_set_private_data(aTHX_ meta, &dfs_alg,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
377 MUTABLE_SV(retval)));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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378 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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379
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
380 /*
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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381 =for apidoc mro_get_linear_isa
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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382
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
383 Returns the mro linearisation for the given stash. By default, this
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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384 will be whatever C<mro_get_linear_isa_dfs> returns unless some
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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385 other MRO is in effect for the stash. The return value is a
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
386 read-only AV*.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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387
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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388 You are responsible for C<SvREFCNT_inc()> on the
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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389 return value if you plan to store it anywhere
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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390 semi-permanently (otherwise it might be deleted
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
391 out from under you the next time the cache is
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
392 invalidated).
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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393
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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394 =cut
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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395 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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396 AV*
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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397 Perl_mro_get_linear_isa(pTHX_ HV *stash)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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398 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
399 struct mro_meta* meta;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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400 AV *isa;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
401
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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402 PERL_ARGS_ASSERT_MRO_GET_LINEAR_ISA;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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403 if(!SvOOK(stash))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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404 Perl_croak(aTHX_ "Can't linearize anonymous symbol table");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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405
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
406 meta = HvMROMETA(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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407 if (!meta->mro_which)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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408 Perl_croak(aTHX_ "panic: invalid MRO!");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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409 isa = meta->mro_which->resolve(aTHX_ stash, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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410
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
411 if (meta->mro_which != &dfs_alg) { /* skip for dfs, for speed */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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412 SV * const namesv =
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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413 (HvENAME(stash)||HvNAME(stash))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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414 ? newSVhek(HvENAME_HEK(stash)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
415 ? HvENAME_HEK(stash)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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416 : HvNAME_HEK(stash))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
417 : NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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418
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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419 if(namesv && (AvFILLp(isa) == -1 || !sv_eq(*AvARRAY(isa), namesv)))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
420 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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421 AV * const old = isa;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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422 SV **svp;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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423 SV **ovp = AvARRAY(old);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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424 SV * const * const oend = ovp + AvFILLp(old) + 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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425 isa = (AV *)sv_2mortal((SV *)newAV());
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
426 av_extend(isa, AvFILLp(isa) = AvFILLp(old)+1);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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427 *AvARRAY(isa) = namesv;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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428 svp = AvARRAY(isa)+1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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429 while (ovp < oend) *svp++ = SvREFCNT_inc(*ovp++);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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430 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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431 else SvREFCNT_dec(namesv);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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432 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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433
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
434 if (!meta->isa) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
435 HV *const isa_hash = newHV();
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
436 /* Linearisation didn't build it for us, so do it here. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
437 SV *const *svp = AvARRAY(isa);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
438 SV *const *const svp_end = svp + AvFILLp(isa) + 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
439 const HEK *canon_name = HvENAME_HEK(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
440 if (!canon_name) canon_name = HvNAME_HEK(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
441
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
442 while (svp < svp_end) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
443 (void) hv_store_ent(isa_hash, *svp++, &PL_sv_undef, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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444 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
445
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
446 (void) hv_common(isa_hash, NULL, HEK_KEY(canon_name),
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
447 HEK_LEN(canon_name), HEK_FLAGS(canon_name),
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
448 HV_FETCH_ISSTORE, &PL_sv_undef,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
449 HEK_HASH(canon_name));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
450 (void) hv_store(isa_hash, "UNIVERSAL", 9, &PL_sv_undef, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
451
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
452 SvREADONLY_on(isa_hash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
453
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
454 meta->isa = isa_hash;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
455 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
456
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
457 return isa;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
458 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
459
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
460 /*
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
461 =for apidoc mro_isa_changed_in
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
462
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
463 Takes the necessary steps (cache invalidations, mostly)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
464 when the @ISA of the given package has changed. Invoked
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
465 by the C<setisa> magic, should not need to invoke directly.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
466
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
467 =cut
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
468 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
469
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
470 /* Macro to avoid repeating the code five times. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
471 #define CLEAR_LINEAR(mEta) \
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
472 if (mEta->mro_linear_all) { \
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
473 SvREFCNT_dec(MUTABLE_SV(mEta->mro_linear_all)); \
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
474 mEta->mro_linear_all = NULL; \
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
475 /* This is just acting as a shortcut pointer. */ \
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
476 mEta->mro_linear_current = NULL; \
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
477 } else if (mEta->mro_linear_current) { \
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
478 /* Only the current MRO is stored, so this owns the data. */ \
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
479 SvREFCNT_dec(mEta->mro_linear_current); \
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
480 mEta->mro_linear_current = NULL; \
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
481 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
482
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
483 void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
484 Perl_mro_isa_changed_in(pTHX_ HV* stash)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
485 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
486 HV* isarev;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
487 AV* linear_mro;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
488 HE* iter;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff changeset
489 SV** svp;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
490 I32 items;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
491 bool is_universal;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
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diff changeset
492 struct mro_meta * meta;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
493 HV *isa = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
494
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
495 const HEK * const stashhek = HvENAME_HEK(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
496 const char * const stashname = HvENAME_get(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
497 const STRLEN stashname_len = HvENAMELEN_get(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
498
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
499 PERL_ARGS_ASSERT_MRO_ISA_CHANGED_IN;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
500
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
501 if(!stashname)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
502 Perl_croak(aTHX_ "Can't call mro_isa_changed_in() on anonymous symbol table");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
503
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
504
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
505 /* wipe out the cached linearizations for this stash */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
506 meta = HvMROMETA(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
507 CLEAR_LINEAR(meta);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
508 if (meta->isa) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
509 /* Steal it for our own purposes. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
510 isa = (HV *)sv_2mortal((SV *)meta->isa);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
511 meta->isa = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
512 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
513
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
514 /* Inc the package generation, since our @ISA changed */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
515 meta->pkg_gen++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
516
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
517 /* Wipe the global method cache if this package
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
518 is UNIVERSAL or one of its parents */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
519
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
520 svp = hv_fetchhek(PL_isarev, stashhek, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
521 isarev = svp ? MUTABLE_HV(*svp) : NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
522
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
523 if((stashname_len == 9 && strEQ(stashname, "UNIVERSAL"))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
524 || (isarev && hv_exists(isarev, "UNIVERSAL", 9))) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
525 PL_sub_generation++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
526 is_universal = TRUE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
527 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
528 else { /* Wipe the local method cache otherwise */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
529 meta->cache_gen++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
530 is_universal = FALSE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
531 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
532
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
533 /* wipe next::method cache too */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
534 if(meta->mro_nextmethod) hv_clear(meta->mro_nextmethod);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
535
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
536 /* Changes to @ISA might turn overloading on */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
537 HvAMAGIC_on(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
538 /* pessimise derefs for now. Will get recalculated by Gv_AMupdate() */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
539 HvAUX(stash)->xhv_aux_flags &= ~HvAUXf_NO_DEREF;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
540
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
541 /* DESTROY can be cached in SvSTASH. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
542 if (!SvOBJECT(stash)) SvSTASH(stash) = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
543
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
544 /* Iterate the isarev (classes that are our children),
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
545 wiping out their linearization, method and isa caches
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
546 and upating PL_isarev. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
547 if(isarev) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
548 HV *isa_hashes = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
549
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
550 /* We have to iterate through isarev twice to avoid a chicken and
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
551 * egg problem: if A inherits from B and both are in isarev, A might
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
552 * be processed before B and use B's previous linearisation.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
553 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
554
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
555 /* First iteration: Wipe everything, but stash away the isa hashes
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
556 * since we still need them for updating PL_isarev.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
557 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
558
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
559 if(hv_iterinit(isarev)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
560 /* Only create the hash if we need it; i.e., if isarev has
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
561 any elements. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
562 isa_hashes = (HV *)sv_2mortal((SV *)newHV());
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
563 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
564 while((iter = hv_iternext(isarev))) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
565 HV* revstash = gv_stashsv(hv_iterkeysv(iter), 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
566 struct mro_meta* revmeta;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
567
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
568 if(!revstash) continue;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
569 revmeta = HvMROMETA(revstash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
570 CLEAR_LINEAR(revmeta);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
571 if(!is_universal)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
572 revmeta->cache_gen++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
573 if(revmeta->mro_nextmethod)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
574 hv_clear(revmeta->mro_nextmethod);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
575 if (!SvOBJECT(revstash)) SvSTASH(revstash) = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
576
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
577 (void)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
578 hv_store(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
579 isa_hashes, (const char*)&revstash, sizeof(HV *),
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
580 revmeta->isa ? (SV *)revmeta->isa : &PL_sv_undef, 0
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
581 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
582 revmeta->isa = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
583 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
584
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
585 /* Second pass: Update PL_isarev. We can just use isa_hashes to
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
586 * avoid another round of stash lookups. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
587
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
588 /* isarev might be deleted from PL_isarev during this loop, so hang
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
589 * on to it. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
590 SvREFCNT_inc_simple_void_NN(sv_2mortal((SV *)isarev));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
591
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
592 if(isa_hashes) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
593 hv_iterinit(isa_hashes);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
594 while((iter = hv_iternext(isa_hashes))) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
595 HV* const revstash = *(HV **)HEK_KEY(HeKEY_hek(iter));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
596 HV * const isa = (HV *)HeVAL(iter);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
597 const HEK *namehek;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
598
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
599 /* We're starting at the 2nd element, skipping revstash */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
600 linear_mro = mro_get_linear_isa(revstash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
601 svp = AvARRAY(linear_mro) + 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
602 items = AvFILLp(linear_mro);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
603
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
604 namehek = HvENAME_HEK(revstash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
605 if (!namehek) namehek = HvNAME_HEK(revstash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
606
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
607 while (items--) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
608 SV* const sv = *svp++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
609 HV* mroisarev;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
610
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
611 HE *he = hv_fetch_ent(PL_isarev, sv, TRUE, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
612
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
613 /* That fetch should not fail. But if it had to create
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
614 a new SV for us, then will need to upgrade it to an
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
615 HV (which sv_upgrade() can now do for us). */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
616
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
617 mroisarev = MUTABLE_HV(HeVAL(he));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
618
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
619 SvUPGRADE(MUTABLE_SV(mroisarev), SVt_PVHV);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
620
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
621 /* This hash only ever contains PL_sv_yes. Storing it
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
622 over itself is almost as cheap as calling hv_exists,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
623 so on aggregate we expect to save time by not making
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
624 two calls to the common HV code for the case where
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
625 it doesn't exist. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
626
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
627 (void)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
628 hv_storehek(mroisarev, namehek, &PL_sv_yes);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
629 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
630
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
631 if ((SV *)isa != &PL_sv_undef) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
632 assert(namehek);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
633 mro_clean_isarev(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
634 isa, HEK_KEY(namehek), HEK_LEN(namehek),
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
635 HvMROMETA(revstash)->isa, HEK_HASH(namehek),
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
636 HEK_UTF8(namehek)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
637 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
638 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
639 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
640 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
641 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
642
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
643 /* Now iterate our MRO (parents), adding ourselves and everything from
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
644 our isarev to their isarev.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
645 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
646
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
647 /* We're starting at the 2nd element, skipping ourselves here */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
648 linear_mro = mro_get_linear_isa(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
649 svp = AvARRAY(linear_mro) + 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
650 items = AvFILLp(linear_mro);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
651
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
652 while (items--) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
653 SV* const sv = *svp++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
654 HV* mroisarev;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
655
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
656 HE *he = hv_fetch_ent(PL_isarev, sv, TRUE, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
657
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
658 /* That fetch should not fail. But if it had to create a new SV for
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
659 us, then will need to upgrade it to an HV (which sv_upgrade() can
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
660 now do for us. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
661
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
662 mroisarev = MUTABLE_HV(HeVAL(he));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
663
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
664 SvUPGRADE(MUTABLE_SV(mroisarev), SVt_PVHV);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
665
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
666 /* This hash only ever contains PL_sv_yes. Storing it over itself is
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
667 almost as cheap as calling hv_exists, so on aggregate we expect to
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
668 save time by not making two calls to the common HV code for the
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
669 case where it doesn't exist. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
670
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
671 (void)hv_storehek(mroisarev, stashhek, &PL_sv_yes);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
672 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
673
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
674 /* Delete our name from our former parents' isarevs. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
675 if(isa && HvARRAY(isa))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
676 mro_clean_isarev(isa, stashname, stashname_len, meta->isa,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
677 HEK_HASH(stashhek), HEK_UTF8(stashhek));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
678 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
679
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
680 /* Deletes name from all the isarev entries listed in isa */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
681 STATIC void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
682 S_mro_clean_isarev(pTHX_ HV * const isa, const char * const name,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
683 const STRLEN len, HV * const exceptions, U32 hash,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
684 U32 flags)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
685 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
686 HE* iter;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
687
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
688 PERL_ARGS_ASSERT_MRO_CLEAN_ISAREV;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
689
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
690 /* Delete our name from our former parents' isarevs. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
691 if(HvARRAY(isa) && hv_iterinit(isa)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
692 SV **svp;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
693 while((iter = hv_iternext(isa))) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
694 I32 klen;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
695 const char * const key = hv_iterkey(iter, &klen);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
696 if(exceptions && hv_exists(exceptions, key, HeKUTF8(iter) ? -klen : klen))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
697 continue;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
698 svp = hv_fetch(PL_isarev, key, HeKUTF8(iter) ? -klen : klen, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
699 if(svp) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
700 HV * const isarev = (HV *)*svp;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
701 (void)hv_common(isarev, NULL, name, len, flags,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
702 G_DISCARD|HV_DELETE, NULL, hash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
703 if(!HvARRAY(isarev) || !HvUSEDKEYS(isarev))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
704 (void)hv_delete(PL_isarev, key,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
705 HeKUTF8(iter) ? -klen : klen, G_DISCARD);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
706 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
707 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
708 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
709 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
710
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
711 /*
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
712 =for apidoc mro_package_moved
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
713
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
714 Call this function to signal to a stash that it has been assigned to
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
715 another spot in the stash hierarchy. C<stash> is the stash that has been
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
716 assigned. C<oldstash> is the stash it replaces, if any. C<gv> is the glob
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
717 that is actually being assigned to.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
718
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
719 This can also be called with a null first argument to
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
720 indicate that C<oldstash> has been deleted.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
721
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
722 This function invalidates isa caches on the old stash, on all subpackages
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
723 nested inside it, and on the subclasses of all those, including
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
724 non-existent packages that have corresponding entries in C<stash>.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
725
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
726 It also sets the effective names (C<HvENAME>) on all the stashes as
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
727 appropriate.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
728
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
729 If the C<gv> is present and is not in the symbol table, then this function
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
730 simply returns. This checked will be skipped if C<flags & 1>.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
731
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
732 =cut
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
733 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
734 void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
735 Perl_mro_package_moved(pTHX_ HV * const stash, HV * const oldstash,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
736 const GV * const gv, U32 flags)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
737 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
738 SV *namesv;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
739 HEK **namep;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
740 I32 name_count;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
741 HV *stashes;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
742 HE* iter;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
743
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
744 PERL_ARGS_ASSERT_MRO_PACKAGE_MOVED;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
745 assert(stash || oldstash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
746
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
747 /* Determine the name(s) of the location that stash was assigned to
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
748 * or from which oldstash was removed.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
749 *
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
750 * We cannot reliably use the name in oldstash, because it may have
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
751 * been deleted from the location in the symbol table that its name
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
752 * suggests, as in this case:
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
753 *
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
754 * $globref = \*foo::bar::;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
755 * Symbol::delete_package("foo");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
756 * *$globref = \%baz::;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
757 * *$globref = *frelp::;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
758 * # calls mro_package_moved(%frelp::, %baz::, *$globref, NULL, 0)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
759 *
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
760 * So we get it from the gv. But, since the gv may no longer be in the
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
761 * symbol table, we check that first. The only reliable way to tell is
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
762 * to see whether its stash has an effective name and whether the gv
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
763 * resides in that stash under its name. That effective name may be
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
764 * different from what gv_fullname4 would use.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
765 * If flags & 1, the caller has asked us to skip the check.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
766 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
767 if(!(flags & 1)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
768 SV **svp;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
769 if(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
770 !GvSTASH(gv) || !HvENAME(GvSTASH(gv)) ||
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
771 !(svp = hv_fetchhek(GvSTASH(gv), GvNAME_HEK(gv), 0)) ||
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
772 *svp != (SV *)gv
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
773 ) return;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
774 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
775 assert(SvOOK(GvSTASH(gv)));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
776 assert(GvNAMELEN(gv));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
777 assert(GvNAME(gv)[GvNAMELEN(gv) - 1] == ':');
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
778 assert(GvNAMELEN(gv) == 1 || GvNAME(gv)[GvNAMELEN(gv) - 2] == ':');
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
779 name_count = HvAUX(GvSTASH(gv))->xhv_name_count;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
780 if (!name_count) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
781 name_count = 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
782 namep = &HvAUX(GvSTASH(gv))->xhv_name_u.xhvnameu_name;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
783 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
784 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
785 namep = HvAUX(GvSTASH(gv))->xhv_name_u.xhvnameu_names;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
786 if (name_count < 0) ++namep, name_count = -name_count - 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
787 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
788 if (name_count == 1) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
789 if (HEK_LEN(*namep) == 4 && strnEQ(HEK_KEY(*namep), "main", 4)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
790 namesv = GvNAMELEN(gv) == 1
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
791 ? newSVpvs_flags(":", SVs_TEMP)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
792 : newSVpvs_flags("", SVs_TEMP);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
793 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
794 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
795 namesv = sv_2mortal(newSVhek(*namep));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
796 if (GvNAMELEN(gv) == 1) sv_catpvs(namesv, ":");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
797 else sv_catpvs(namesv, "::");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
798 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
799 if (GvNAMELEN(gv) != 1) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
800 sv_catpvn_flags(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
801 namesv, GvNAME(gv), GvNAMELEN(gv) - 2,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
802 /* skip trailing :: */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
803 GvNAMEUTF8(gv) ? SV_CATUTF8 : SV_CATBYTES
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
804 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
805 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
806 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
807 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
808 SV *aname;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
809 namesv = sv_2mortal((SV *)newAV());
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
810 while (name_count--) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
811 if(HEK_LEN(*namep) == 4 && strnEQ(HEK_KEY(*namep), "main", 4)){
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
812 aname = GvNAMELEN(gv) == 1
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
813 ? newSVpvs(":")
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
814 : newSVpvs("");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
815 namep++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
816 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
817 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
818 aname = newSVhek(*namep++);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
819 if (GvNAMELEN(gv) == 1) sv_catpvs(aname, ":");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
820 else sv_catpvs(aname, "::");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
821 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
822 if (GvNAMELEN(gv) != 1) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
823 sv_catpvn_flags(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
824 aname, GvNAME(gv), GvNAMELEN(gv) - 2,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
825 /* skip trailing :: */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
826 GvNAMEUTF8(gv) ? SV_CATUTF8 : SV_CATBYTES
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
827 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
828 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
829 av_push((AV *)namesv, aname);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
830 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
831 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
832
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
833 /* Get a list of all the affected classes. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
834 /* We cannot simply pass them all to mro_isa_changed_in to avoid
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
835 the list, as that function assumes that only one package has
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
836 changed. It does not work with:
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
837
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
838 @foo::ISA = qw( B B::B );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
839 *B:: = delete $::{"A::"};
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
840
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
841 as neither B nor B::B can be updated before the other, since they
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
842 will reset caches on foo, which will see either B or B::B with the
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
843 wrong name. The names must be set on *all* affected stashes before
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
844 we do anything else. (And linearisations must be cleared, too.)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
845 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
846 stashes = (HV *) sv_2mortal((SV *)newHV());
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
847 mro_gather_and_rename(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
848 stashes, (HV *) sv_2mortal((SV *)newHV()),
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
849 stash, oldstash, namesv
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
850 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
851
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
852 /* Once the caches have been wiped on all the classes, call
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
853 mro_isa_changed_in on each. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
854 hv_iterinit(stashes);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
855 while((iter = hv_iternext(stashes))) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
856 HV * const stash = *(HV **)HEK_KEY(HeKEY_hek(iter));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
857 if(HvENAME(stash)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
858 /* We have to restore the original meta->isa (that
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
859 mro_gather_and_rename set aside for us) this way, in case
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
860 one class in this list is a superclass of a another class
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
861 that we have already encountered. In such a case, meta->isa
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
862
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
863 from PL_isarev. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
864 struct mro_meta * const meta = HvMROMETA(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
865 if(meta->isa != (HV *)HeVAL(iter)){
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
866 SvREFCNT_dec(meta->isa);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
867 meta->isa
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
868 = HeVAL(iter) == &PL_sv_yes
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
869 ? NULL
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
870 : (HV *)HeVAL(iter);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
871 HeVAL(iter) = NULL; /* We donated our reference count. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
872 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
873 mro_isa_changed_in(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
874 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
875 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
876 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
877
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
878 STATIC void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
879 S_mro_gather_and_rename(pTHX_ HV * const stashes, HV * const seen_stashes,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
880 HV *stash, HV *oldstash, SV *namesv)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
881 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
882 XPVHV* xhv;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
883 HE *entry;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
884 I32 riter = -1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
885 I32 items = 0;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
886 const bool stash_had_name = stash && HvENAME(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
887 bool fetched_isarev = FALSE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
888 HV *seen = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
889 HV *isarev = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
890 SV **svp = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
891
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
892 PERL_ARGS_ASSERT_MRO_GATHER_AND_RENAME;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
893
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
894 /* We use the seen_stashes hash to keep track of which packages have
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
895 been encountered so far. This must be separate from the main list of
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
896 stashes, as we need to distinguish between stashes being assigned
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
897 and stashes being replaced/deleted. (A nested stash can be on both
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
898 sides of an assignment. We cannot simply skip iterating through a
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
899 stash on the right if we have seen it on the left, as it will not
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
900 get its ename assigned to it.)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
901
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
902 To avoid allocating extra SVs, instead of a bitfield we can make
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
903 bizarre use of immortals:
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
904
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
905 &PL_sv_undef: seen on the left (oldstash)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
906 &PL_sv_no : seen on the right (stash)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
907 &PL_sv_yes : seen on both sides
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
908
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
909 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
910
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
911 if(oldstash) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
912 /* Add to the big list. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
913 struct mro_meta * meta;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
914 HE * const entry
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
915 = (HE *)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
916 hv_common(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
917 seen_stashes, NULL, (const char *)&oldstash, sizeof(HV *), 0,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
918 HV_FETCH_LVALUE|HV_FETCH_EMPTY_HE, NULL, 0
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
919 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
920 if(HeVAL(entry) == &PL_sv_undef || HeVAL(entry) == &PL_sv_yes) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
921 oldstash = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
922 goto check_stash;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
923 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
924 HeVAL(entry)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
925 = HeVAL(entry) == &PL_sv_no ? &PL_sv_yes : &PL_sv_undef;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
926 meta = HvMROMETA(oldstash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
927 (void)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
928 hv_store(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
929 stashes, (const char *)&oldstash, sizeof(HV *),
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
930 meta->isa
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
931 ? SvREFCNT_inc_simple_NN((SV *)meta->isa)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
932 : &PL_sv_yes,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
933 0
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
934 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
935 CLEAR_LINEAR(meta);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
936
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
937 /* Update the effective name. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
938 if(HvENAME_get(oldstash)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
939 const HEK * const enamehek = HvENAME_HEK(oldstash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
940 if(SvTYPE(namesv) == SVt_PVAV) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
941 items = AvFILLp((AV *)namesv) + 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
942 svp = AvARRAY((AV *)namesv);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
943 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
944 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
945 items = 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
946 svp = &namesv;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
947 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
948 while (items--) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
949 const U32 name_utf8 = SvUTF8(*svp);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
950 STRLEN len;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
951 const char *name = SvPVx_const(*svp, len);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
952 if(PL_stashcache) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
953 DEBUG_o(Perl_deb(aTHX_ "mro_gather_and_rename clearing PL_stashcache for '%"SVf"'\n",
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
954 SVfARG(*svp)));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
955 (void)hv_delete(PL_stashcache, name, name_utf8 ? -(I32)len : (I32)len, G_DISCARD);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
956 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
957 ++svp;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
958 hv_ename_delete(oldstash, name, len, name_utf8);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
959
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
960 if (!fetched_isarev) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
961 /* If the name deletion caused a name change, then we
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
962 * are not going to call mro_isa_changed_in with this
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
963 * name (and not at all if it has become anonymous) so
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
964 * we need to delete old isarev entries here, both
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
965 * those in the superclasses and this class's own list
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
966 * of subclasses. We simply delete the latter from
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
967 * PL_isarev, since we still need it. hv_delete morti-
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
968 * fies it for us, so sv_2mortal is not necessary. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
969 if(HvENAME_HEK(oldstash) != enamehek) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
970 if(meta->isa && HvARRAY(meta->isa))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
971 mro_clean_isarev(meta->isa, name, len, 0, 0,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
972 name_utf8 ? HVhek_UTF8 : 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
973 isarev = (HV *)hv_delete(PL_isarev, name,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
974 name_utf8 ? -(I32)len : (I32)len, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
975 fetched_isarev=TRUE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
976 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
977 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
978 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
979 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
980 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
981 check_stash:
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
982 if(stash) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
983 if(SvTYPE(namesv) == SVt_PVAV) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
984 items = AvFILLp((AV *)namesv) + 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
985 svp = AvARRAY((AV *)namesv);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
986 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
987 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
988 items = 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
989 svp = &namesv;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
990 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
991 while (items--) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
992 const U32 name_utf8 = SvUTF8(*svp);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
993 STRLEN len;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
994 const char *name = SvPVx_const(*svp++, len);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
995 hv_ename_add(stash, name, len, name_utf8);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
996 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
997
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
998 /* Add it to the big list if it needs
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
999 * mro_isa_changed_in called on it. That happens if it was
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1000 * detached from the symbol table (so it had no HvENAME) before
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1001 * being assigned to the spot named by the 'name' variable, because
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1002 * its cached isa linearisation is now stale (the effective name
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1003 * having changed), and subclasses will then use that cache when
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1004 * mro_package_moved calls mro_isa_changed_in. (See
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1005 * [perl #77358].)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1006 *
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1007 * If it did have a name, then its previous name is still
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1008 * used in isa caches, and there is no need for
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1009 * mro_package_moved to call mro_isa_changed_in.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1010 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1011
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1012 entry
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1013 = (HE *)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1014 hv_common(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1015 seen_stashes, NULL, (const char *)&stash, sizeof(HV *), 0,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1016 HV_FETCH_LVALUE|HV_FETCH_EMPTY_HE, NULL, 0
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1017 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1018 if(HeVAL(entry) == &PL_sv_yes || HeVAL(entry) == &PL_sv_no)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1019 stash = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1020 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1021 HeVAL(entry)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1022 = HeVAL(entry) == &PL_sv_undef ? &PL_sv_yes : &PL_sv_no;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1023 if(!stash_had_name)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1024 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1025 struct mro_meta * const meta = HvMROMETA(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1026 (void)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1027 hv_store(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1028 stashes, (const char *)&stash, sizeof(HV *),
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1029 meta->isa
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1030 ? SvREFCNT_inc_simple_NN((SV *)meta->isa)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1031 : &PL_sv_yes,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1032 0
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1033 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1034 CLEAR_LINEAR(meta);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1035 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1036 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1037 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1038
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1039 if(!stash && !oldstash)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1040 /* Both stashes have been encountered already. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1041 return;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1042
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1043 /* Add all the subclasses to the big list. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1044 if(!fetched_isarev) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1045 /* If oldstash is not null, then we can use its HvENAME to look up
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1046 the isarev hash, since all its subclasses will be listed there.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1047 It will always have an HvENAME. It the HvENAME was removed
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1048 above, then fetch_isarev will be true, and this code will not be
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1049 reached.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1050
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1051 If oldstash is null, then this is an empty spot with no stash in
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1052 it, so subclasses could be listed in isarev hashes belonging to
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1053 any of the names, so we have to check all of them.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1054 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1055 assert(!oldstash || HvENAME(oldstash));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1056 if (oldstash) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1057 /* Extra variable to avoid a compiler warning */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1058 const HEK * const hvename = HvENAME_HEK(oldstash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1059 fetched_isarev = TRUE;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1060 svp = hv_fetchhek(PL_isarev, hvename, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1061 if (svp) isarev = MUTABLE_HV(*svp);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1062 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1063 else if(SvTYPE(namesv) == SVt_PVAV) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1064 items = AvFILLp((AV *)namesv) + 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1065 svp = AvARRAY((AV *)namesv);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1066 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1067 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1068 items = 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1069 svp = &namesv;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1070 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1071 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1072 if(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1073 isarev || !fetched_isarev
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1074 ) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1075 while (fetched_isarev || items--) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1076 HE *iter;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1077
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1078 if (!fetched_isarev) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1079 HE * const he = hv_fetch_ent(PL_isarev, *svp++, 0, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1080 if (!he || !(isarev = MUTABLE_HV(HeVAL(he)))) continue;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1081 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1082
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1083 hv_iterinit(isarev);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1084 while((iter = hv_iternext(isarev))) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1085 HV* revstash = gv_stashsv(hv_iterkeysv(iter), 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1086 struct mro_meta * meta;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1087
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1088 if(!revstash) continue;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1089 meta = HvMROMETA(revstash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1090 (void)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1091 hv_store(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1092 stashes, (const char *)&revstash, sizeof(HV *),
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1093 meta->isa
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1094 ? SvREFCNT_inc_simple_NN((SV *)meta->isa)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1095 : &PL_sv_yes,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1096 0
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1097 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1098 CLEAR_LINEAR(meta);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1099 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1100
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1101 if (fetched_isarev) break;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1102 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1103 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1104
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1105 /* This is partly based on code in hv_iternext_flags. We are not call-
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1106 ing that here, as we want to avoid resetting the hash iterator. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1107
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1108 /* Skip the entire loop if the hash is empty. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1109 if(oldstash && HvUSEDKEYS(oldstash)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1110 xhv = (XPVHV*)SvANY(oldstash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1111 seen = (HV *) sv_2mortal((SV *)newHV());
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1112
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1113 /* Iterate through entries in the oldstash, adding them to the
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1114 list, meanwhile doing the equivalent of $seen{$key} = 1.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1115 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1116
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1117 while (++riter <= (I32)xhv->xhv_max) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1118 entry = (HvARRAY(oldstash))[riter];
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1119
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1120 /* Iterate through the entries in this list */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1121 for(; entry; entry = HeNEXT(entry)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1122 const char* key;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1123 I32 len;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1124
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1125 /* If this entry is not a glob, ignore it.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1126 Try the next. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1127 if (!isGV(HeVAL(entry))) continue;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1128
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1129 key = hv_iterkey(entry, &len);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1130 if ((len > 1 && key[len-2] == ':' && key[len-1] == ':')
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1131 || (len == 1 && key[0] == ':')) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1132 HV * const oldsubstash = GvHV(HeVAL(entry));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1133 SV ** const stashentry
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1134 = stash ? hv_fetch(stash, key, HeUTF8(entry) ? -(I32)len : (I32)len, 0) : NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1135 HV *substash = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1136
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1137 /* Avoid main::main::main::... */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1138 if(oldsubstash == oldstash) continue;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1139
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1140 if(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1141 (
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1142 stashentry && *stashentry && isGV(*stashentry)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1143 && (substash = GvHV(*stashentry))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1144 )
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1145 || (oldsubstash && HvENAME_get(oldsubstash))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1146 )
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1147 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1148 /* Add :: and the key (minus the trailing ::)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1149 to each name. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1150 SV *subname;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1151 if(SvTYPE(namesv) == SVt_PVAV) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1152 SV *aname;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1153 items = AvFILLp((AV *)namesv) + 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1154 svp = AvARRAY((AV *)namesv);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1155 subname = sv_2mortal((SV *)newAV());
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1156 while (items--) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1157 aname = newSVsv(*svp++);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1158 if (len == 1)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1159 sv_catpvs(aname, ":");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1160 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1161 sv_catpvs(aname, "::");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1162 sv_catpvn_flags(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1163 aname, key, len-2,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1164 HeUTF8(entry)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1165 ? SV_CATUTF8 : SV_CATBYTES
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1166 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1167 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1168 av_push((AV *)subname, aname);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1169 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1170 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1171 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1172 subname = sv_2mortal(newSVsv(namesv));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1173 if (len == 1) sv_catpvs(subname, ":");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1174 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1175 sv_catpvs(subname, "::");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1176 sv_catpvn_flags(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1177 subname, key, len-2,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1178 HeUTF8(entry) ? SV_CATUTF8 : SV_CATBYTES
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1179 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1180 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1181 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1182 mro_gather_and_rename(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1183 stashes, seen_stashes,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1184 substash, oldsubstash, subname
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1185 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1186 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1187
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1188 (void)hv_store(seen, key, HeUTF8(entry) ? -(I32)len : (I32)len, &PL_sv_yes, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1189 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1190 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1191 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1192 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1193
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1194 /* Skip the entire loop if the hash is empty. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1195 if (stash && HvUSEDKEYS(stash)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1196 xhv = (XPVHV*)SvANY(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1197 riter = -1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1198
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1199 /* Iterate through the new stash, skipping $seen{$key} items,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1200 calling mro_gather_and_rename(stashes,seen,entry,NULL, ...). */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1201 while (++riter <= (I32)xhv->xhv_max) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1202 entry = (HvARRAY(stash))[riter];
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1203
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1204 /* Iterate through the entries in this list */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1205 for(; entry; entry = HeNEXT(entry)) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1206 const char* key;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1207 I32 len;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1208
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1209 /* If this entry is not a glob, ignore it.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1210 Try the next. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1211 if (!isGV(HeVAL(entry))) continue;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1212
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1213 key = hv_iterkey(entry, &len);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1214 if ((len > 1 && key[len-2] == ':' && key[len-1] == ':')
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1215 || (len == 1 && key[0] == ':')) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1216 HV *substash;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1217
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1218 /* If this entry was seen when we iterated through the
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1219 oldstash, skip it. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1220 if(seen && hv_exists(seen, key, HeUTF8(entry) ? -(I32)len : (I32)len)) continue;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1221
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1222 /* We get here only if this stash has no corresponding
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1223 entry in the stash being replaced. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1224
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1225 substash = GvHV(HeVAL(entry));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1226 if(substash) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1227 SV *subname;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1228
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1229 /* Avoid checking main::main::main::... */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1230 if(substash == stash) continue;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1231
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1232 /* Add :: and the key (minus the trailing ::)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1233 to each name. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1234 if(SvTYPE(namesv) == SVt_PVAV) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1235 SV *aname;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1236 items = AvFILLp((AV *)namesv) + 1;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1237 svp = AvARRAY((AV *)namesv);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1238 subname = sv_2mortal((SV *)newAV());
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1239 while (items--) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1240 aname = newSVsv(*svp++);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1241 if (len == 1)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1242 sv_catpvs(aname, ":");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1243 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1244 sv_catpvs(aname, "::");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1245 sv_catpvn_flags(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1246 aname, key, len-2,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1247 HeUTF8(entry)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1248 ? SV_CATUTF8 : SV_CATBYTES
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1249 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1250 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1251 av_push((AV *)subname, aname);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1252 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1253 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1254 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1255 subname = sv_2mortal(newSVsv(namesv));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1256 if (len == 1) sv_catpvs(subname, ":");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1257 else {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1258 sv_catpvs(subname, "::");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1259 sv_catpvn_flags(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1260 subname, key, len-2,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1261 HeUTF8(entry) ? SV_CATUTF8 : SV_CATBYTES
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1262 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1263 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1264 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1265 mro_gather_and_rename(
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1266 stashes, seen_stashes,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1267 substash, NULL, subname
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1268 );
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1269 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1270 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1271 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1272 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1273 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1274 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1275
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1276 /*
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1277 =for apidoc mro_method_changed_in
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1278
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1279 Invalidates method caching on any child classes
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1280 of the given stash, so that they might notice
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1281 the changes in this one.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1282
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1283 Ideally, all instances of C<PL_sub_generation++> in
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1284 perl source outside of F<mro.c> should be
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1285 replaced by calls to this.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1286
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1287 Perl automatically handles most of the common
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1288 ways a method might be redefined. However, there
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1289 are a few ways you could change a method in a stash
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1290 without the cache code noticing, in which case you
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1291 need to call this method afterwards:
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1292
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1293 1) Directly manipulating the stash HV entries from
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1294 XS code.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1295
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1296 2) Assigning a reference to a readonly scalar
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1297 constant into a stash entry in order to create
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1298 a constant subroutine (like constant.pm
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1299 does).
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1300
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1301 This same method is available from pure perl
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1302 via, C<mro::method_changed_in(classname)>.
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1303
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1304 =cut
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1305 */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1306 void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1307 Perl_mro_method_changed_in(pTHX_ HV *stash)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1308 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1309 const char * const stashname = HvENAME_get(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1310 const STRLEN stashname_len = HvENAMELEN_get(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1311
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1312 SV ** const svp = hv_fetchhek(PL_isarev, HvENAME_HEK(stash), 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1313 HV * const isarev = svp ? MUTABLE_HV(*svp) : NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1314
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1315 PERL_ARGS_ASSERT_MRO_METHOD_CHANGED_IN;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1316
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1317 if(!stashname)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1318 Perl_croak(aTHX_ "Can't call mro_method_changed_in() on anonymous symbol table");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1319
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1320 /* Inc the package generation, since a local method changed */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1321 HvMROMETA(stash)->pkg_gen++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1322
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1323 /* DESTROY can be cached in SvSTASH. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1324 if (!SvOBJECT(stash)) SvSTASH(stash) = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1325
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1326 /* If stash is UNIVERSAL, or one of UNIVERSAL's parents,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1327 invalidate all method caches globally */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1328 if((stashname_len == 9 && strEQ(stashname, "UNIVERSAL"))
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1329 || (isarev && hv_exists(isarev, "UNIVERSAL", 9))) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1330 PL_sub_generation++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1331 return;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1332 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1333
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1334 /* else, invalidate the method caches of all child classes,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1335 but not itself */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1336 if(isarev) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1337 HE* iter;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1338
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1339 hv_iterinit(isarev);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1340 while((iter = hv_iternext(isarev))) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1341 HV* const revstash = gv_stashsv(hv_iterkeysv(iter), 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1342 struct mro_meta* mrometa;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1343
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1344 if(!revstash) continue;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1345 mrometa = HvMROMETA(revstash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1346 mrometa->cache_gen++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1347 if(mrometa->mro_nextmethod)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1348 hv_clear(mrometa->mro_nextmethod);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1349 if (!SvOBJECT(revstash)) SvSTASH(revstash) = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1350 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1351 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1352
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1353 /* The method change may be due to *{$package . "::()"} = \&nil; in
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1354 overload.pm. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1355 HvAMAGIC_on(stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1356 /* pessimise derefs for now. Will get recalculated by Gv_AMupdate() */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1357 HvAUX(stash)->xhv_aux_flags &= ~HvAUXf_NO_DEREF;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1358 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1359
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1360 void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1361 Perl_mro_set_mro(pTHX_ struct mro_meta *const meta, SV *const name)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1362 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff changeset
1363 const struct mro_alg *const which = Perl_mro_get_from_name(aTHX_ name);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1364
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1365 PERL_ARGS_ASSERT_MRO_SET_MRO;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1366
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1367 if (!which)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1368 Perl_croak(aTHX_ "Invalid mro name: '%"SVf"'", name);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1369
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1370 if(meta->mro_which != which) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1371 if (meta->mro_linear_current && !meta->mro_linear_all) {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1372 /* If we were storing something directly, put it in the hash before
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1373 we lose it. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1374 Perl_mro_set_private_data(aTHX_ meta, meta->mro_which,
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1375 MUTABLE_SV(meta->mro_linear_current));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1376 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1377 meta->mro_which = which;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1378 /* Scrub our cached pointer to the private data. */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1379 meta->mro_linear_current = NULL;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1380 /* Only affects local method cache, not
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1381 even child classes */
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1382 meta->cache_gen++;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1383 if(meta->mro_nextmethod)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1384 hv_clear(meta->mro_nextmethod);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1385 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1386 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1387
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1388 #include "XSUB.h"
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1389
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1390 XS(XS_mro_method_changed_in);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1391
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1392 void
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
1393 Perl_boot_core_mro(pTHX)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1394 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1395 static const char file[] = __FILE__;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1396
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1397 Perl_mro_register(aTHX_ &dfs_alg);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1398
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1399 newXSproto("mro::method_changed_in", XS_mro_method_changed_in, file, "$");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1400 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1401
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1402 XS(XS_mro_method_changed_in)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1403 {
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1404 dXSARGS;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1405 SV* classname;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1406 HV* class_stash;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1407
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1408 if(items != 1)
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
1409 croak_xs_usage(cv, "classname");
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1410
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1411 classname = ST(0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1412
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1413 class_stash = gv_stashsv(classname, 0);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1414 if(!class_stash) Perl_croak(aTHX_ "No such class: '%"SVf"'!", SVfARG(classname));
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1415
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1416 mro_method_changed_in(class_stash);
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1417
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1418 XSRETURN_EMPTY;
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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diff changeset
1419 }
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1420
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1421 /*
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1422 * ex: set ts=8 sts=4 sw=4 et:
a16537d2fe07 <xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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1423 */