1 | /* scope.c |
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2 | * |
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3 | * Copyright (c) 1991-2001, Larry Wall |
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4 | * |
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5 | * You may distribute under the terms of either the GNU General Public |
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6 | * License or the Artistic License, as specified in the README file. |
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7 | * |
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8 | */ |
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9 | |
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10 | /* |
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11 | * "For the fashion of Minas Tirith was such that it was built on seven |
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12 | * levels..." |
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13 | */ |
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14 | |
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15 | #include "EXTERN.h" |
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16 | #define PERL_IN_SCOPE_C |
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17 | #include "perl.h" |
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18 | |
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19 | #if defined(PERL_FLEXIBLE_EXCEPTIONS) |
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20 | void * |
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21 | Perl_default_protect(pTHX_ volatile JMPENV *pcur_env, int *excpt, |
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22 | protect_body_t body, ...) |
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23 | { |
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24 | void *ret; |
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25 | va_list args; |
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26 | va_start(args, body); |
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27 | ret = vdefault_protect(pcur_env, excpt, body, &args); |
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28 | va_end(args); |
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29 | return ret; |
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30 | } |
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31 | |
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32 | void * |
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33 | Perl_vdefault_protect(pTHX_ volatile JMPENV *pcur_env, int *excpt, |
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34 | protect_body_t body, va_list *args) |
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35 | { |
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36 | int ex; |
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37 | void *ret; |
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38 | |
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39 | JMPENV_PUSH(ex); |
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40 | if (ex) |
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41 | ret = NULL; |
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42 | else |
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43 | ret = CALL_FPTR(body)(aTHX_ *args); |
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44 | *excpt = ex; |
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45 | JMPENV_POP; |
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46 | return ret; |
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47 | } |
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48 | #endif |
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49 | |
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50 | SV** |
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51 | Perl_stack_grow(pTHX_ SV **sp, SV **p, int n) |
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52 | { |
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53 | #if defined(DEBUGGING) && !defined(USE_THREADS) |
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54 | static int growing = 0; |
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55 | if (growing++) |
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56 | abort(); |
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57 | #endif |
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58 | PL_stack_sp = sp; |
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59 | #ifndef STRESS_REALLOC |
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60 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 128); |
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61 | #else |
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62 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 1); |
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63 | #endif |
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64 | #if defined(DEBUGGING) && !defined(USE_THREADS) |
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65 | growing--; |
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66 | #endif |
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67 | return PL_stack_sp; |
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68 | } |
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69 | |
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70 | #ifndef STRESS_REALLOC |
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71 | #define GROW(old) ((old) * 3 / 2) |
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72 | #else |
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73 | #define GROW(old) ((old) + 1) |
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74 | #endif |
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75 | |
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76 | PERL_SI * |
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77 | Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems) |
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78 | { |
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79 | PERL_SI *si; |
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80 | New(56, si, 1, PERL_SI); |
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81 | si->si_stack = newAV(); |
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82 | AvREAL_off(si->si_stack); |
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83 | av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0); |
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84 | AvALLOC(si->si_stack)[0] = &PL_sv_undef; |
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85 | AvFILLp(si->si_stack) = 0; |
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86 | si->si_prev = 0; |
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87 | si->si_next = 0; |
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88 | si->si_cxmax = cxitems - 1; |
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89 | si->si_cxix = -1; |
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90 | si->si_type = PERLSI_UNDEF; |
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91 | New(56, si->si_cxstack, cxitems, PERL_CONTEXT); |
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92 | return si; |
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93 | } |
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94 | |
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95 | I32 |
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96 | Perl_cxinc(pTHX) |
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97 | { |
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98 | cxstack_max = GROW(cxstack_max); |
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99 | Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); /* XXX should fix CXINC macro */ |
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100 | return cxstack_ix + 1; |
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101 | } |
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102 | |
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103 | void |
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104 | Perl_push_return(pTHX_ OP *retop) |
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105 | { |
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106 | if (PL_retstack_ix == PL_retstack_max) { |
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107 | PL_retstack_max = GROW(PL_retstack_max); |
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108 | Renew(PL_retstack, PL_retstack_max, OP*); |
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109 | } |
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110 | PL_retstack[PL_retstack_ix++] = retop; |
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111 | } |
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112 | |
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113 | OP * |
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114 | Perl_pop_return(pTHX) |
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115 | { |
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116 | if (PL_retstack_ix > 0) |
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117 | return PL_retstack[--PL_retstack_ix]; |
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118 | else |
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119 | return Nullop; |
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120 | } |
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121 | |
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122 | void |
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123 | Perl_push_scope(pTHX) |
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124 | { |
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125 | if (PL_scopestack_ix == PL_scopestack_max) { |
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126 | PL_scopestack_max = GROW(PL_scopestack_max); |
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127 | Renew(PL_scopestack, PL_scopestack_max, I32); |
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128 | } |
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129 | PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix; |
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130 | |
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131 | } |
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132 | |
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133 | void |
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134 | Perl_pop_scope(pTHX) |
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135 | { |
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136 | I32 oldsave = PL_scopestack[--PL_scopestack_ix]; |
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137 | LEAVE_SCOPE(oldsave); |
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138 | } |
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139 | |
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140 | void |
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141 | Perl_markstack_grow(pTHX) |
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142 | { |
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143 | I32 oldmax = PL_markstack_max - PL_markstack; |
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144 | I32 newmax = GROW(oldmax); |
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145 | |
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146 | Renew(PL_markstack, newmax, I32); |
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147 | PL_markstack_ptr = PL_markstack + oldmax; |
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148 | PL_markstack_max = PL_markstack + newmax; |
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149 | } |
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150 | |
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151 | void |
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152 | Perl_savestack_grow(pTHX) |
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153 | { |
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154 | PL_savestack_max = GROW(PL_savestack_max) + 4; |
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155 | Renew(PL_savestack, PL_savestack_max, ANY); |
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156 | } |
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157 | |
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158 | #undef GROW |
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159 | |
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160 | void |
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161 | Perl_tmps_grow(pTHX_ I32 n) |
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162 | { |
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163 | #ifndef STRESS_REALLOC |
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164 | if (n < 128) |
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165 | n = (PL_tmps_max < 512) ? 128 : 512; |
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166 | #endif |
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167 | PL_tmps_max = PL_tmps_ix + n + 1; |
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168 | Renew(PL_tmps_stack, PL_tmps_max, SV*); |
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169 | } |
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170 | |
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171 | |
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172 | void |
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173 | Perl_free_tmps(pTHX) |
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174 | { |
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175 | /* XXX should tmps_floor live in cxstack? */ |
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176 | I32 myfloor = PL_tmps_floor; |
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177 | while (PL_tmps_ix > myfloor) { /* clean up after last statement */ |
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178 | SV* sv = PL_tmps_stack[PL_tmps_ix]; |
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179 | PL_tmps_stack[PL_tmps_ix--] = Nullsv; |
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180 | if (sv) { |
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181 | SvTEMP_off(sv); |
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182 | SvREFCNT_dec(sv); /* note, can modify tmps_ix!!! */ |
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183 | } |
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184 | } |
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185 | } |
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186 | |
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187 | STATIC SV * |
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188 | S_save_scalar_at(pTHX_ SV **sptr) |
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189 | { |
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190 | register SV *sv; |
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191 | SV *osv = *sptr; |
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192 | |
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193 | sv = *sptr = NEWSV(0,0); |
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194 | if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv) && SvTYPE(osv) != SVt_PVGV) { |
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195 | sv_upgrade(sv, SvTYPE(osv)); |
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196 | if (SvGMAGICAL(osv)) { |
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197 | MAGIC* mg; |
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198 | bool oldtainted = PL_tainted; |
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199 | mg_get(osv); /* note, can croak! */ |
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200 | if (PL_tainting && PL_tainted && (mg = mg_find(osv, 't'))) { |
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201 | SAVESPTR(mg->mg_obj); |
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202 | mg->mg_obj = osv; |
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203 | } |
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204 | SvFLAGS(osv) |= (SvFLAGS(osv) & |
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205 | (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
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206 | PL_tainted = oldtainted; |
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207 | } |
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208 | SvMAGIC(sv) = SvMAGIC(osv); |
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209 | SvFLAGS(sv) |= SvMAGICAL(osv); |
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210 | /* XXX SvMAGIC() is *shared* between osv and sv. This can |
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211 | * lead to coredumps when both SVs are destroyed without one |
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212 | * of their SvMAGIC() slots being NULLed. */ |
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213 | PL_localizing = 1; |
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214 | SvSETMAGIC(sv); |
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215 | PL_localizing = 0; |
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216 | } |
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217 | return sv; |
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218 | } |
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219 | |
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220 | SV * |
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221 | Perl_save_scalar(pTHX_ GV *gv) |
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222 | { |
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223 | SV **sptr = &GvSV(gv); |
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224 | SSCHECK(3); |
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225 | SSPUSHPTR(SvREFCNT_inc(gv)); |
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226 | SSPUSHPTR(SvREFCNT_inc(*sptr)); |
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227 | SSPUSHINT(SAVEt_SV); |
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228 | return save_scalar_at(sptr); |
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229 | } |
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230 | |
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231 | SV* |
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232 | Perl_save_svref(pTHX_ SV **sptr) |
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233 | { |
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234 | SSCHECK(3); |
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235 | SSPUSHPTR(sptr); |
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236 | SSPUSHPTR(SvREFCNT_inc(*sptr)); |
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237 | SSPUSHINT(SAVEt_SVREF); |
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238 | return save_scalar_at(sptr); |
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239 | } |
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240 | |
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241 | /* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to |
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242 | * restore a global SV to its prior contents, freeing new value. */ |
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243 | void |
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244 | Perl_save_generic_svref(pTHX_ SV **sptr) |
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245 | { |
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246 | SSCHECK(3); |
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247 | SSPUSHPTR(sptr); |
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248 | SSPUSHPTR(SvREFCNT_inc(*sptr)); |
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249 | SSPUSHINT(SAVEt_GENERIC_SVREF); |
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250 | } |
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251 | |
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252 | /* Like save_pptr(), but also Safefree()s the new value if it is different |
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253 | * from the old one. Can be used to restore a global char* to its prior |
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254 | * contents, freeing new value. */ |
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255 | void |
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256 | Perl_save_generic_pvref(pTHX_ char **str) |
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257 | { |
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258 | SSCHECK(3); |
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259 | SSPUSHPTR(str); |
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260 | SSPUSHPTR(*str); |
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261 | SSPUSHINT(SAVEt_GENERIC_PVREF); |
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262 | } |
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263 | |
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264 | void |
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265 | Perl_save_gp(pTHX_ GV *gv, I32 empty) |
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266 | { |
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267 | SSCHECK(6); |
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268 | SSPUSHIV((IV)SvLEN(gv)); |
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269 | SvLEN(gv) = 0; /* forget that anything was allocated here */ |
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270 | SSPUSHIV((IV)SvCUR(gv)); |
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271 | SSPUSHPTR(SvPVX(gv)); |
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272 | SvPOK_off(gv); |
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273 | SSPUSHPTR(SvREFCNT_inc(gv)); |
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274 | SSPUSHPTR(GvGP(gv)); |
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275 | SSPUSHINT(SAVEt_GP); |
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276 | |
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277 | if (empty) { |
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278 | register GP *gp; |
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279 | |
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280 | Newz(602, gp, 1, GP); |
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281 | |
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282 | if (GvCVu(gv)) |
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283 | PL_sub_generation++; /* taking a method out of circulation */ |
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284 | if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) { |
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285 | gp->gp_io = newIO(); |
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286 | IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START; |
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287 | } |
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288 | GvGP(gv) = gp_ref(gp); |
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289 | GvSV(gv) = NEWSV(72,0); |
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290 | GvLINE(gv) = CopLINE(PL_curcop); |
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291 | GvFILE(gv) = CopFILE(PL_curcop) ? CopFILE(PL_curcop) : ""; |
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292 | GvEGV(gv) = gv; |
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293 | } |
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294 | else { |
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295 | gp_ref(GvGP(gv)); |
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296 | GvINTRO_on(gv); |
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297 | } |
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298 | } |
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299 | |
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300 | AV * |
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301 | Perl_save_ary(pTHX_ GV *gv) |
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302 | { |
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303 | AV *oav = GvAVn(gv); |
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304 | AV *av; |
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305 | |
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306 | if (!AvREAL(oav) && AvREIFY(oav)) |
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307 | av_reify(oav); |
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308 | SSCHECK(3); |
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309 | SSPUSHPTR(gv); |
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310 | SSPUSHPTR(oav); |
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311 | SSPUSHINT(SAVEt_AV); |
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312 | |
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313 | GvAV(gv) = Null(AV*); |
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314 | av = GvAVn(gv); |
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315 | if (SvMAGIC(oav)) { |
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316 | SvMAGIC(av) = SvMAGIC(oav); |
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317 | SvFLAGS((SV*)av) |= SvMAGICAL(oav); |
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318 | SvMAGICAL_off(oav); |
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319 | SvMAGIC(oav) = 0; |
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320 | PL_localizing = 1; |
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321 | SvSETMAGIC((SV*)av); |
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322 | PL_localizing = 0; |
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323 | } |
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324 | return av; |
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325 | } |
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326 | |
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327 | HV * |
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328 | Perl_save_hash(pTHX_ GV *gv) |
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329 | { |
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330 | HV *ohv, *hv; |
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331 | |
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332 | SSCHECK(3); |
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333 | SSPUSHPTR(gv); |
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334 | SSPUSHPTR(ohv = GvHVn(gv)); |
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335 | SSPUSHINT(SAVEt_HV); |
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336 | |
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337 | GvHV(gv) = Null(HV*); |
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338 | hv = GvHVn(gv); |
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339 | if (SvMAGIC(ohv)) { |
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340 | SvMAGIC(hv) = SvMAGIC(ohv); |
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341 | SvFLAGS((SV*)hv) |= SvMAGICAL(ohv); |
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342 | SvMAGICAL_off(ohv); |
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343 | SvMAGIC(ohv) = 0; |
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344 | PL_localizing = 1; |
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345 | SvSETMAGIC((SV*)hv); |
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346 | PL_localizing = 0; |
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347 | } |
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348 | return hv; |
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349 | } |
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350 | |
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351 | void |
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352 | Perl_save_item(pTHX_ register SV *item) |
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353 | { |
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354 | register SV *sv = NEWSV(0,0); |
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355 | |
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356 | sv_setsv(sv,item); |
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357 | SSCHECK(3); |
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358 | SSPUSHPTR(item); /* remember the pointer */ |
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359 | SSPUSHPTR(sv); /* remember the value */ |
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360 | SSPUSHINT(SAVEt_ITEM); |
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361 | } |
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362 | |
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363 | void |
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364 | Perl_save_int(pTHX_ int *intp) |
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365 | { |
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366 | SSCHECK(3); |
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367 | SSPUSHINT(*intp); |
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368 | SSPUSHPTR(intp); |
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369 | SSPUSHINT(SAVEt_INT); |
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370 | } |
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371 | |
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372 | void |
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373 | Perl_save_long(pTHX_ long int *longp) |
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374 | { |
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375 | SSCHECK(3); |
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376 | SSPUSHLONG(*longp); |
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377 | SSPUSHPTR(longp); |
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378 | SSPUSHINT(SAVEt_LONG); |
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379 | } |
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380 | |
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381 | void |
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382 | Perl_save_I32(pTHX_ I32 *intp) |
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383 | { |
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384 | SSCHECK(3); |
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385 | SSPUSHINT(*intp); |
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386 | SSPUSHPTR(intp); |
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387 | SSPUSHINT(SAVEt_I32); |
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388 | } |
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389 | |
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390 | void |
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391 | Perl_save_I16(pTHX_ I16 *intp) |
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392 | { |
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393 | SSCHECK(3); |
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394 | SSPUSHINT(*intp); |
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395 | SSPUSHPTR(intp); |
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396 | SSPUSHINT(SAVEt_I16); |
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397 | } |
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398 | |
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399 | void |
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400 | Perl_save_I8(pTHX_ I8 *bytep) |
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401 | { |
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402 | SSCHECK(3); |
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403 | SSPUSHINT(*bytep); |
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404 | SSPUSHPTR(bytep); |
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405 | SSPUSHINT(SAVEt_I8); |
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406 | } |
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407 | |
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408 | void |
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409 | Perl_save_iv(pTHX_ IV *ivp) |
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410 | { |
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411 | SSCHECK(3); |
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412 | SSPUSHIV(*ivp); |
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413 | SSPUSHPTR(ivp); |
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414 | SSPUSHINT(SAVEt_IV); |
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415 | } |
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416 | |
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417 | /* Cannot use save_sptr() to store a char* since the SV** cast will |
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418 | * force word-alignment and we'll miss the pointer. |
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419 | */ |
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420 | void |
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421 | Perl_save_pptr(pTHX_ char **pptr) |
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422 | { |
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423 | SSCHECK(3); |
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424 | SSPUSHPTR(*pptr); |
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425 | SSPUSHPTR(pptr); |
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426 | SSPUSHINT(SAVEt_PPTR); |
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427 | } |
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428 | |
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429 | void |
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430 | Perl_save_vptr(pTHX_ void *ptr) |
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431 | { |
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432 | SSCHECK(3); |
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433 | SSPUSHPTR(*(char**)ptr); |
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434 | SSPUSHPTR(ptr); |
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435 | SSPUSHINT(SAVEt_VPTR); |
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436 | } |
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437 | |
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438 | void |
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439 | Perl_save_sptr(pTHX_ SV **sptr) |
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440 | { |
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441 | SSCHECK(3); |
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442 | SSPUSHPTR(*sptr); |
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443 | SSPUSHPTR(sptr); |
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444 | SSPUSHINT(SAVEt_SPTR); |
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445 | } |
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446 | |
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447 | void |
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448 | Perl_save_padsv(pTHX_ PADOFFSET off) |
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449 | { |
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450 | SSCHECK(4); |
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451 | SSPUSHPTR(PL_curpad[off]); |
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452 | SSPUSHPTR(PL_curpad); |
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453 | SSPUSHLONG((long)off); |
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454 | SSPUSHINT(SAVEt_PADSV); |
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455 | } |
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456 | |
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457 | SV ** |
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458 | Perl_save_threadsv(pTHX_ PADOFFSET i) |
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459 | { |
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460 | #ifdef USE_THREADS |
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461 | SV **svp = &THREADSV(i); /* XXX Change to save by offset */ |
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462 | DEBUG_S(PerlIO_printf(Perl_debug_log, "save_threadsv %"UVuf": %p %p:%s\n", |
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463 | (UV)i, svp, *svp, SvPEEK(*svp))); |
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464 | save_svref(svp); |
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465 | return svp; |
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466 | #else |
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467 | Perl_croak(aTHX_ "panic: save_threadsv called in non-threaded perl"); |
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468 | return 0; |
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469 | #endif /* USE_THREADS */ |
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470 | } |
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471 | |
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472 | void |
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473 | Perl_save_nogv(pTHX_ GV *gv) |
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474 | { |
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475 | SSCHECK(2); |
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476 | SSPUSHPTR(gv); |
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477 | SSPUSHINT(SAVEt_NSTAB); |
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478 | } |
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479 | |
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480 | void |
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481 | Perl_save_hptr(pTHX_ HV **hptr) |
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482 | { |
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483 | SSCHECK(3); |
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484 | SSPUSHPTR(*hptr); |
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485 | SSPUSHPTR(hptr); |
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486 | SSPUSHINT(SAVEt_HPTR); |
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487 | } |
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488 | |
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489 | void |
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490 | Perl_save_aptr(pTHX_ AV **aptr) |
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491 | { |
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492 | SSCHECK(3); |
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493 | SSPUSHPTR(*aptr); |
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494 | SSPUSHPTR(aptr); |
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495 | SSPUSHINT(SAVEt_APTR); |
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496 | } |
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497 | |
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498 | void |
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499 | Perl_save_freesv(pTHX_ SV *sv) |
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500 | { |
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501 | SSCHECK(2); |
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502 | SSPUSHPTR(sv); |
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503 | SSPUSHINT(SAVEt_FREESV); |
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504 | } |
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505 | |
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506 | void |
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507 | Perl_save_mortalizesv(pTHX_ SV *sv) |
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508 | { |
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509 | SSCHECK(2); |
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510 | SSPUSHPTR(sv); |
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511 | SSPUSHINT(SAVEt_MORTALIZESV); |
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512 | } |
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513 | |
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514 | void |
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515 | Perl_save_freeop(pTHX_ OP *o) |
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516 | { |
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517 | SSCHECK(2); |
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518 | SSPUSHPTR(o); |
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519 | SSPUSHINT(SAVEt_FREEOP); |
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520 | } |
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521 | |
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522 | void |
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523 | Perl_save_freepv(pTHX_ char *pv) |
---|
524 | { |
---|
525 | SSCHECK(2); |
---|
526 | SSPUSHPTR(pv); |
---|
527 | SSPUSHINT(SAVEt_FREEPV); |
---|
528 | } |
---|
529 | |
---|
530 | void |
---|
531 | Perl_save_clearsv(pTHX_ SV **svp) |
---|
532 | { |
---|
533 | SSCHECK(2); |
---|
534 | SSPUSHLONG((long)(svp-PL_curpad)); |
---|
535 | SSPUSHINT(SAVEt_CLEARSV); |
---|
536 | } |
---|
537 | |
---|
538 | void |
---|
539 | Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen) |
---|
540 | { |
---|
541 | SSCHECK(4); |
---|
542 | SSPUSHINT(klen); |
---|
543 | SSPUSHPTR(key); |
---|
544 | SSPUSHPTR(SvREFCNT_inc(hv)); |
---|
545 | SSPUSHINT(SAVEt_DELETE); |
---|
546 | } |
---|
547 | |
---|
548 | void |
---|
549 | Perl_save_list(pTHX_ register SV **sarg, I32 maxsarg) |
---|
550 | { |
---|
551 | register SV *sv; |
---|
552 | register I32 i; |
---|
553 | |
---|
554 | for (i = 1; i <= maxsarg; i++) { |
---|
555 | sv = NEWSV(0,0); |
---|
556 | sv_setsv(sv,sarg[i]); |
---|
557 | SSCHECK(3); |
---|
558 | SSPUSHPTR(sarg[i]); /* remember the pointer */ |
---|
559 | SSPUSHPTR(sv); /* remember the value */ |
---|
560 | SSPUSHINT(SAVEt_ITEM); |
---|
561 | } |
---|
562 | } |
---|
563 | |
---|
564 | void |
---|
565 | Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p) |
---|
566 | { |
---|
567 | SSCHECK(3); |
---|
568 | SSPUSHDPTR(f); |
---|
569 | SSPUSHPTR(p); |
---|
570 | SSPUSHINT(SAVEt_DESTRUCTOR); |
---|
571 | } |
---|
572 | |
---|
573 | void |
---|
574 | Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p) |
---|
575 | { |
---|
576 | SSCHECK(3); |
---|
577 | SSPUSHDXPTR(f); |
---|
578 | SSPUSHPTR(p); |
---|
579 | SSPUSHINT(SAVEt_DESTRUCTOR_X); |
---|
580 | } |
---|
581 | |
---|
582 | void |
---|
583 | Perl_save_aelem(pTHX_ AV *av, I32 idx, SV **sptr) |
---|
584 | { |
---|
585 | SSCHECK(4); |
---|
586 | SSPUSHPTR(SvREFCNT_inc(av)); |
---|
587 | SSPUSHINT(idx); |
---|
588 | SSPUSHPTR(SvREFCNT_inc(*sptr)); |
---|
589 | SSPUSHINT(SAVEt_AELEM); |
---|
590 | save_scalar_at(sptr); |
---|
591 | } |
---|
592 | |
---|
593 | void |
---|
594 | Perl_save_helem(pTHX_ HV *hv, SV *key, SV **sptr) |
---|
595 | { |
---|
596 | SSCHECK(4); |
---|
597 | SSPUSHPTR(SvREFCNT_inc(hv)); |
---|
598 | SSPUSHPTR(SvREFCNT_inc(key)); |
---|
599 | SSPUSHPTR(SvREFCNT_inc(*sptr)); |
---|
600 | SSPUSHINT(SAVEt_HELEM); |
---|
601 | save_scalar_at(sptr); |
---|
602 | } |
---|
603 | |
---|
604 | void |
---|
605 | Perl_save_op(pTHX) |
---|
606 | { |
---|
607 | SSCHECK(2); |
---|
608 | SSPUSHPTR(PL_op); |
---|
609 | SSPUSHINT(SAVEt_OP); |
---|
610 | } |
---|
611 | |
---|
612 | I32 |
---|
613 | Perl_save_alloc(pTHX_ I32 size, I32 pad) |
---|
614 | { |
---|
615 | register I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix] |
---|
616 | - (char*)PL_savestack); |
---|
617 | register I32 elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack)); |
---|
618 | |
---|
619 | /* SSCHECK may not be good enough */ |
---|
620 | while (PL_savestack_ix + elems + 2 > PL_savestack_max) |
---|
621 | savestack_grow(); |
---|
622 | |
---|
623 | PL_savestack_ix += elems; |
---|
624 | SSPUSHINT(elems); |
---|
625 | SSPUSHINT(SAVEt_ALLOC); |
---|
626 | return start; |
---|
627 | } |
---|
628 | |
---|
629 | void |
---|
630 | Perl_leave_scope(pTHX_ I32 base) |
---|
631 | { |
---|
632 | register SV *sv; |
---|
633 | register SV *value; |
---|
634 | register GV *gv; |
---|
635 | register AV *av; |
---|
636 | register HV *hv; |
---|
637 | register void* ptr; |
---|
638 | register char* str; |
---|
639 | I32 i; |
---|
640 | |
---|
641 | if (base < -1) |
---|
642 | Perl_croak(aTHX_ "panic: corrupt saved stack index"); |
---|
643 | while (PL_savestack_ix > base) { |
---|
644 | switch (SSPOPINT) { |
---|
645 | case SAVEt_ITEM: /* normal string */ |
---|
646 | value = (SV*)SSPOPPTR; |
---|
647 | sv = (SV*)SSPOPPTR; |
---|
648 | sv_replace(sv,value); |
---|
649 | PL_localizing = 2; |
---|
650 | SvSETMAGIC(sv); |
---|
651 | PL_localizing = 0; |
---|
652 | break; |
---|
653 | case SAVEt_SV: /* scalar reference */ |
---|
654 | value = (SV*)SSPOPPTR; |
---|
655 | gv = (GV*)SSPOPPTR; |
---|
656 | ptr = &GvSV(gv); |
---|
657 | SvREFCNT_dec(gv); |
---|
658 | goto restore_sv; |
---|
659 | case SAVEt_GENERIC_PVREF: /* generic pv */ |
---|
660 | str = (char*)SSPOPPTR; |
---|
661 | ptr = SSPOPPTR; |
---|
662 | if (*(char**)ptr != str) { |
---|
663 | Safefree(*(char**)ptr); |
---|
664 | *(char**)ptr = str; |
---|
665 | } |
---|
666 | break; |
---|
667 | case SAVEt_GENERIC_SVREF: /* generic sv */ |
---|
668 | value = (SV*)SSPOPPTR; |
---|
669 | ptr = SSPOPPTR; |
---|
670 | sv = *(SV**)ptr; |
---|
671 | *(SV**)ptr = value; |
---|
672 | SvREFCNT_dec(sv); |
---|
673 | SvREFCNT_dec(value); |
---|
674 | break; |
---|
675 | case SAVEt_SVREF: /* scalar reference */ |
---|
676 | value = (SV*)SSPOPPTR; |
---|
677 | ptr = SSPOPPTR; |
---|
678 | restore_sv: |
---|
679 | sv = *(SV**)ptr; |
---|
680 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
---|
681 | "restore svref: %p %p:%s -> %p:%s\n", |
---|
682 | ptr, sv, SvPEEK(sv), value, SvPEEK(value))); |
---|
683 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv) && |
---|
684 | SvTYPE(sv) != SVt_PVGV) |
---|
685 | { |
---|
686 | (void)SvUPGRADE(value, SvTYPE(sv)); |
---|
687 | SvMAGIC(value) = SvMAGIC(sv); |
---|
688 | SvFLAGS(value) |= SvMAGICAL(sv); |
---|
689 | SvMAGICAL_off(sv); |
---|
690 | SvMAGIC(sv) = 0; |
---|
691 | } |
---|
692 | /* XXX This branch is pretty bogus. This code irretrievably |
---|
693 | * clears(!) the magic on the SV (either to avoid further |
---|
694 | * croaking that might ensue when the SvSETMAGIC() below is |
---|
695 | * called, or to avoid two different SVs pointing at the same |
---|
696 | * SvMAGIC()). This needs a total rethink. --GSAR */ |
---|
697 | else if (SvTYPE(value) >= SVt_PVMG && SvMAGIC(value) && |
---|
698 | SvTYPE(value) != SVt_PVGV) |
---|
699 | { |
---|
700 | SvFLAGS(value) |= (SvFLAGS(value) & |
---|
701 | (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
---|
702 | SvMAGICAL_off(value); |
---|
703 | /* XXX this is a leak when we get here because the |
---|
704 | * mg_get() in save_scalar_at() croaked */ |
---|
705 | SvMAGIC(value) = 0; |
---|
706 | } |
---|
707 | SvREFCNT_dec(sv); |
---|
708 | *(SV**)ptr = value; |
---|
709 | PL_localizing = 2; |
---|
710 | SvSETMAGIC(value); |
---|
711 | PL_localizing = 0; |
---|
712 | SvREFCNT_dec(value); |
---|
713 | break; |
---|
714 | case SAVEt_AV: /* array reference */ |
---|
715 | av = (AV*)SSPOPPTR; |
---|
716 | gv = (GV*)SSPOPPTR; |
---|
717 | if (GvAV(gv)) { |
---|
718 | AV *goner = GvAV(gv); |
---|
719 | SvMAGIC(av) = SvMAGIC(goner); |
---|
720 | SvFLAGS((SV*)av) |= SvMAGICAL(goner); |
---|
721 | SvMAGICAL_off(goner); |
---|
722 | SvMAGIC(goner) = 0; |
---|
723 | SvREFCNT_dec(goner); |
---|
724 | } |
---|
725 | GvAV(gv) = av; |
---|
726 | if (SvMAGICAL(av)) { |
---|
727 | PL_localizing = 2; |
---|
728 | SvSETMAGIC((SV*)av); |
---|
729 | PL_localizing = 0; |
---|
730 | } |
---|
731 | break; |
---|
732 | case SAVEt_HV: /* hash reference */ |
---|
733 | hv = (HV*)SSPOPPTR; |
---|
734 | gv = (GV*)SSPOPPTR; |
---|
735 | if (GvHV(gv)) { |
---|
736 | HV *goner = GvHV(gv); |
---|
737 | SvMAGIC(hv) = SvMAGIC(goner); |
---|
738 | SvFLAGS(hv) |= SvMAGICAL(goner); |
---|
739 | SvMAGICAL_off(goner); |
---|
740 | SvMAGIC(goner) = 0; |
---|
741 | SvREFCNT_dec(goner); |
---|
742 | } |
---|
743 | GvHV(gv) = hv; |
---|
744 | if (SvMAGICAL(hv)) { |
---|
745 | PL_localizing = 2; |
---|
746 | SvSETMAGIC((SV*)hv); |
---|
747 | PL_localizing = 0; |
---|
748 | } |
---|
749 | break; |
---|
750 | case SAVEt_INT: /* int reference */ |
---|
751 | ptr = SSPOPPTR; |
---|
752 | *(int*)ptr = (int)SSPOPINT; |
---|
753 | break; |
---|
754 | case SAVEt_LONG: /* long reference */ |
---|
755 | ptr = SSPOPPTR; |
---|
756 | *(long*)ptr = (long)SSPOPLONG; |
---|
757 | break; |
---|
758 | case SAVEt_I32: /* I32 reference */ |
---|
759 | ptr = SSPOPPTR; |
---|
760 | *(I32*)ptr = (I32)SSPOPINT; |
---|
761 | break; |
---|
762 | case SAVEt_I16: /* I16 reference */ |
---|
763 | ptr = SSPOPPTR; |
---|
764 | *(I16*)ptr = (I16)SSPOPINT; |
---|
765 | break; |
---|
766 | case SAVEt_I8: /* I8 reference */ |
---|
767 | ptr = SSPOPPTR; |
---|
768 | *(I8*)ptr = (I8)SSPOPINT; |
---|
769 | break; |
---|
770 | case SAVEt_IV: /* IV reference */ |
---|
771 | ptr = SSPOPPTR; |
---|
772 | *(IV*)ptr = (IV)SSPOPIV; |
---|
773 | break; |
---|
774 | case SAVEt_SPTR: /* SV* reference */ |
---|
775 | ptr = SSPOPPTR; |
---|
776 | *(SV**)ptr = (SV*)SSPOPPTR; |
---|
777 | break; |
---|
778 | case SAVEt_VPTR: /* random* reference */ |
---|
779 | case SAVEt_PPTR: /* char* reference */ |
---|
780 | ptr = SSPOPPTR; |
---|
781 | *(char**)ptr = (char*)SSPOPPTR; |
---|
782 | break; |
---|
783 | case SAVEt_HPTR: /* HV* reference */ |
---|
784 | ptr = SSPOPPTR; |
---|
785 | *(HV**)ptr = (HV*)SSPOPPTR; |
---|
786 | break; |
---|
787 | case SAVEt_APTR: /* AV* reference */ |
---|
788 | ptr = SSPOPPTR; |
---|
789 | *(AV**)ptr = (AV*)SSPOPPTR; |
---|
790 | break; |
---|
791 | case SAVEt_NSTAB: |
---|
792 | gv = (GV*)SSPOPPTR; |
---|
793 | (void)sv_clear((SV*)gv); |
---|
794 | break; |
---|
795 | case SAVEt_GP: /* scalar reference */ |
---|
796 | ptr = SSPOPPTR; |
---|
797 | gv = (GV*)SSPOPPTR; |
---|
798 | if (SvPVX(gv) && SvLEN(gv) > 0) { |
---|
799 | Safefree(SvPVX(gv)); |
---|
800 | } |
---|
801 | SvPVX(gv) = (char *)SSPOPPTR; |
---|
802 | SvCUR(gv) = (STRLEN)SSPOPIV; |
---|
803 | SvLEN(gv) = (STRLEN)SSPOPIV; |
---|
804 | gp_free(gv); |
---|
805 | GvGP(gv) = (GP*)ptr; |
---|
806 | if (GvCVu(gv)) |
---|
807 | PL_sub_generation++; /* putting a method back into circulation */ |
---|
808 | SvREFCNT_dec(gv); |
---|
809 | break; |
---|
810 | case SAVEt_FREESV: |
---|
811 | ptr = SSPOPPTR; |
---|
812 | SvREFCNT_dec((SV*)ptr); |
---|
813 | break; |
---|
814 | case SAVEt_MORTALIZESV: |
---|
815 | ptr = SSPOPPTR; |
---|
816 | sv_2mortal((SV*)ptr); |
---|
817 | break; |
---|
818 | case SAVEt_FREEOP: |
---|
819 | ptr = SSPOPPTR; |
---|
820 | if (PL_comppad) |
---|
821 | PL_curpad = AvARRAY(PL_comppad); |
---|
822 | op_free((OP*)ptr); |
---|
823 | break; |
---|
824 | case SAVEt_FREEPV: |
---|
825 | ptr = SSPOPPTR; |
---|
826 | Safefree((char*)ptr); |
---|
827 | break; |
---|
828 | case SAVEt_CLEARSV: |
---|
829 | ptr = (void*)&PL_curpad[SSPOPLONG]; |
---|
830 | sv = *(SV**)ptr; |
---|
831 | /* Can clear pad variable in place? */ |
---|
832 | if (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) { |
---|
833 | if (SvTHINKFIRST(sv)) |
---|
834 | sv_force_normal(sv); |
---|
835 | if (SvMAGICAL(sv)) |
---|
836 | mg_free(sv); |
---|
837 | |
---|
838 | switch (SvTYPE(sv)) { |
---|
839 | case SVt_NULL: |
---|
840 | break; |
---|
841 | case SVt_PVAV: |
---|
842 | av_clear((AV*)sv); |
---|
843 | break; |
---|
844 | case SVt_PVHV: |
---|
845 | hv_clear((HV*)sv); |
---|
846 | break; |
---|
847 | case SVt_PVCV: |
---|
848 | Perl_croak(aTHX_ "panic: leave_scope pad code"); |
---|
849 | case SVt_RV: |
---|
850 | case SVt_IV: |
---|
851 | case SVt_NV: |
---|
852 | (void)SvOK_off(sv); |
---|
853 | break; |
---|
854 | default: |
---|
855 | (void)SvOK_off(sv); |
---|
856 | (void)SvOOK_off(sv); |
---|
857 | break; |
---|
858 | } |
---|
859 | } |
---|
860 | else { /* Someone has a claim on this, so abandon it. */ |
---|
861 | U32 padflags = SvFLAGS(sv) & (SVs_PADBUSY|SVs_PADMY|SVs_PADTMP); |
---|
862 | switch (SvTYPE(sv)) { /* Console ourselves with a new value */ |
---|
863 | case SVt_PVAV: *(SV**)ptr = (SV*)newAV(); break; |
---|
864 | case SVt_PVHV: *(SV**)ptr = (SV*)newHV(); break; |
---|
865 | default: *(SV**)ptr = NEWSV(0,0); break; |
---|
866 | } |
---|
867 | SvREFCNT_dec(sv); /* Cast current value to the winds. */ |
---|
868 | SvFLAGS(*(SV**)ptr) |= padflags; /* preserve pad nature */ |
---|
869 | } |
---|
870 | break; |
---|
871 | case SAVEt_DELETE: |
---|
872 | ptr = SSPOPPTR; |
---|
873 | hv = (HV*)ptr; |
---|
874 | ptr = SSPOPPTR; |
---|
875 | (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD); |
---|
876 | SvREFCNT_dec(hv); |
---|
877 | Safefree(ptr); |
---|
878 | break; |
---|
879 | case SAVEt_DESTRUCTOR: |
---|
880 | ptr = SSPOPPTR; |
---|
881 | (*SSPOPDPTR)(ptr); |
---|
882 | break; |
---|
883 | case SAVEt_DESTRUCTOR_X: |
---|
884 | ptr = SSPOPPTR; |
---|
885 | (*SSPOPDXPTR)(aTHXo_ ptr); |
---|
886 | break; |
---|
887 | case SAVEt_REGCONTEXT: |
---|
888 | case SAVEt_ALLOC: |
---|
889 | i = SSPOPINT; |
---|
890 | PL_savestack_ix -= i; /* regexp must have croaked */ |
---|
891 | break; |
---|
892 | case SAVEt_STACK_POS: /* Position on Perl stack */ |
---|
893 | i = SSPOPINT; |
---|
894 | PL_stack_sp = PL_stack_base + i; |
---|
895 | break; |
---|
896 | case SAVEt_AELEM: /* array element */ |
---|
897 | value = (SV*)SSPOPPTR; |
---|
898 | i = SSPOPINT; |
---|
899 | av = (AV*)SSPOPPTR; |
---|
900 | ptr = av_fetch(av,i,1); |
---|
901 | if (ptr) { |
---|
902 | sv = *(SV**)ptr; |
---|
903 | if (sv && sv != &PL_sv_undef) { |
---|
904 | if (SvTIED_mg((SV*)av, 'P')) |
---|
905 | (void)SvREFCNT_inc(sv); |
---|
906 | SvREFCNT_dec(av); |
---|
907 | goto restore_sv; |
---|
908 | } |
---|
909 | } |
---|
910 | SvREFCNT_dec(av); |
---|
911 | SvREFCNT_dec(value); |
---|
912 | break; |
---|
913 | case SAVEt_HELEM: /* hash element */ |
---|
914 | value = (SV*)SSPOPPTR; |
---|
915 | sv = (SV*)SSPOPPTR; |
---|
916 | hv = (HV*)SSPOPPTR; |
---|
917 | ptr = hv_fetch_ent(hv, sv, 1, 0); |
---|
918 | if (ptr) { |
---|
919 | SV *oval = HeVAL((HE*)ptr); |
---|
920 | if (oval && oval != &PL_sv_undef) { |
---|
921 | ptr = &HeVAL((HE*)ptr); |
---|
922 | if (SvTIED_mg((SV*)hv, 'P')) |
---|
923 | (void)SvREFCNT_inc(*(SV**)ptr); |
---|
924 | SvREFCNT_dec(hv); |
---|
925 | SvREFCNT_dec(sv); |
---|
926 | goto restore_sv; |
---|
927 | } |
---|
928 | } |
---|
929 | SvREFCNT_dec(hv); |
---|
930 | SvREFCNT_dec(sv); |
---|
931 | SvREFCNT_dec(value); |
---|
932 | break; |
---|
933 | case SAVEt_OP: |
---|
934 | PL_op = (OP*)SSPOPPTR; |
---|
935 | break; |
---|
936 | case SAVEt_HINTS: |
---|
937 | *(I32*)&PL_hints = (I32)SSPOPINT; |
---|
938 | break; |
---|
939 | case SAVEt_COMPPAD: |
---|
940 | PL_comppad = (AV*)SSPOPPTR; |
---|
941 | if (PL_comppad) |
---|
942 | PL_curpad = AvARRAY(PL_comppad); |
---|
943 | else |
---|
944 | PL_curpad = Null(SV**); |
---|
945 | break; |
---|
946 | case SAVEt_PADSV: |
---|
947 | { |
---|
948 | PADOFFSET off = (PADOFFSET)SSPOPLONG; |
---|
949 | ptr = SSPOPPTR; |
---|
950 | if (ptr) |
---|
951 | ((SV**)ptr)[off] = (SV*)SSPOPPTR; |
---|
952 | } |
---|
953 | break; |
---|
954 | default: |
---|
955 | Perl_croak(aTHX_ "panic: leave_scope inconsistency"); |
---|
956 | } |
---|
957 | } |
---|
958 | } |
---|
959 | |
---|
960 | void |
---|
961 | Perl_cx_dump(pTHX_ PERL_CONTEXT *cx) |
---|
962 | { |
---|
963 | #ifdef DEBUGGING |
---|
964 | PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]); |
---|
965 | if (CxTYPE(cx) != CXt_SUBST) { |
---|
966 | PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp); |
---|
967 | PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n", |
---|
968 | PTR2UV(cx->blk_oldcop)); |
---|
969 | PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp); |
---|
970 | PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp); |
---|
971 | PerlIO_printf(Perl_debug_log, "BLK_OLDRETSP = %ld\n", (long)cx->blk_oldretsp); |
---|
972 | PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n", |
---|
973 | PTR2UV(cx->blk_oldpm)); |
---|
974 | PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", cx->blk_gimme ? "LIST" : "SCALAR"); |
---|
975 | } |
---|
976 | switch (CxTYPE(cx)) { |
---|
977 | case CXt_NULL: |
---|
978 | case CXt_BLOCK: |
---|
979 | break; |
---|
980 | case CXt_FORMAT: |
---|
981 | PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n", |
---|
982 | PTR2UV(cx->blk_sub.cv)); |
---|
983 | PerlIO_printf(Perl_debug_log, "BLK_SUB.GV = 0x%"UVxf"\n", |
---|
984 | PTR2UV(cx->blk_sub.gv)); |
---|
985 | PerlIO_printf(Perl_debug_log, "BLK_SUB.DFOUTGV = 0x%"UVxf"\n", |
---|
986 | PTR2UV(cx->blk_sub.dfoutgv)); |
---|
987 | PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n", |
---|
988 | (int)cx->blk_sub.hasargs); |
---|
989 | break; |
---|
990 | case CXt_SUB: |
---|
991 | PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n", |
---|
992 | PTR2UV(cx->blk_sub.cv)); |
---|
993 | PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n", |
---|
994 | (long)cx->blk_sub.olddepth); |
---|
995 | PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n", |
---|
996 | (int)cx->blk_sub.hasargs); |
---|
997 | PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n", |
---|
998 | (int)cx->blk_sub.lval); |
---|
999 | break; |
---|
1000 | case CXt_EVAL: |
---|
1001 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n", |
---|
1002 | (long)cx->blk_eval.old_in_eval); |
---|
1003 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n", |
---|
1004 | PL_op_name[cx->blk_eval.old_op_type], |
---|
1005 | PL_op_desc[cx->blk_eval.old_op_type]); |
---|
1006 | if (cx->blk_eval.old_namesv) |
---|
1007 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n", |
---|
1008 | SvPVX(cx->blk_eval.old_namesv)); |
---|
1009 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n", |
---|
1010 | PTR2UV(cx->blk_eval.old_eval_root)); |
---|
1011 | break; |
---|
1012 | |
---|
1013 | case CXt_LOOP: |
---|
1014 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n", |
---|
1015 | cx->blk_loop.label); |
---|
1016 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n", |
---|
1017 | (long)cx->blk_loop.resetsp); |
---|
1018 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.REDO_OP = 0x%"UVxf"\n", |
---|
1019 | PTR2UV(cx->blk_loop.redo_op)); |
---|
1020 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.NEXT_OP = 0x%"UVxf"\n", |
---|
1021 | PTR2UV(cx->blk_loop.next_op)); |
---|
1022 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LAST_OP = 0x%"UVxf"\n", |
---|
1023 | PTR2UV(cx->blk_loop.last_op)); |
---|
1024 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n", |
---|
1025 | (long)cx->blk_loop.iterix); |
---|
1026 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n", |
---|
1027 | PTR2UV(cx->blk_loop.iterary)); |
---|
1028 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n", |
---|
1029 | PTR2UV(CxITERVAR(cx))); |
---|
1030 | if (CxITERVAR(cx)) |
---|
1031 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERSAVE = 0x%"UVxf"\n", |
---|
1032 | PTR2UV(cx->blk_loop.itersave)); |
---|
1033 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERLVAL = 0x%"UVxf"\n", |
---|
1034 | PTR2UV(cx->blk_loop.iterlval)); |
---|
1035 | break; |
---|
1036 | |
---|
1037 | case CXt_SUBST: |
---|
1038 | PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n", |
---|
1039 | (long)cx->sb_iters); |
---|
1040 | PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n", |
---|
1041 | (long)cx->sb_maxiters); |
---|
1042 | PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n", |
---|
1043 | (long)cx->sb_rflags); |
---|
1044 | PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n", |
---|
1045 | (long)cx->sb_once); |
---|
1046 | PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n", |
---|
1047 | cx->sb_orig); |
---|
1048 | PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n", |
---|
1049 | PTR2UV(cx->sb_dstr)); |
---|
1050 | PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n", |
---|
1051 | PTR2UV(cx->sb_targ)); |
---|
1052 | PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n", |
---|
1053 | PTR2UV(cx->sb_s)); |
---|
1054 | PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n", |
---|
1055 | PTR2UV(cx->sb_m)); |
---|
1056 | PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n", |
---|
1057 | PTR2UV(cx->sb_strend)); |
---|
1058 | PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n", |
---|
1059 | PTR2UV(cx->sb_rxres)); |
---|
1060 | break; |
---|
1061 | } |
---|
1062 | #endif /* DEBUGGING */ |
---|
1063 | } |
---|