Mercurial > repo
annotate perl-5.22.2/regen/embed.pl @ 8045:a16537d2fe07
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author | HackBot |
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date | Sat, 14 May 2016 14:54:38 +0000 |
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8045
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1 #!/usr/bin/perl -w |
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2 # |
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3 # Regenerate (overwriting only if changed): |
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4 # |
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5 # embed.h |
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6 # embedvar.h |
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7 # perlapi.c |
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8 # perlapi.h |
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9 # proto.h |
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10 # |
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11 # from information stored in |
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12 # |
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13 # embed.fnc |
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14 # intrpvar.h |
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15 # perlvars.h |
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16 # regen/opcodes |
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17 # |
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18 # Accepts the standard regen_lib -q and -v args. |
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19 # |
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20 # This script is normally invoked from regen.pl. |
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21 |
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22 require 5.004; # keep this compatible, an old perl is all we may have before |
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23 # we build the new one |
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24 |
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25 use strict; |
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26 |
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27 BEGIN { |
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28 # Get function prototypes |
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29 require 'regen/regen_lib.pl'; |
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30 require 'regen/embed_lib.pl'; |
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31 } |
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32 |
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33 my $SPLINT = 0; # Turn true for experimental splint support http://www.splint.org |
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34 my $unflagged_pointers; |
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35 |
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36 # |
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37 # See database of global and static function prototypes in embed.fnc |
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38 # This is used to generate prototype headers under various configurations, |
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39 # export symbols lists for different platforms, and macros to provide an |
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40 # implicit interpreter context argument. |
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41 # |
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42 |
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43 sub full_name ($$) { # Returns the function name with potentially the |
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44 # prefixes 'S_' or 'Perl_' |
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45 my ($func, $flags) = @_; |
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46 |
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47 return "S_$func" if $flags =~ /[si]/; |
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48 return "Perl_$func" if $flags =~ /[bp]/; |
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49 return $func; |
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50 } |
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51 |
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52 sub open_print_header { |
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53 my ($file, $quote) = @_; |
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54 |
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55 return open_new($file, '>', |
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56 { file => $file, style => '*', by => 'regen/embed.pl', |
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57 from => ['data in embed.fnc', 'regen/embed.pl', |
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58 'regen/opcodes', 'intrpvar.h', 'perlvars.h'], |
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59 final => "\nEdit those files and run 'make regen_headers' to effect changes.\n", |
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60 copyright => [1993 .. 2009], quote => $quote }); |
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61 } |
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62 |
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63 my ($embed, $core, $ext, $api) = setup_embed(); |
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64 |
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65 # generate proto.h |
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66 { |
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67 my $pr = open_print_header("proto.h"); |
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68 print $pr "START_EXTERN_C\n"; |
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69 my $ret; |
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70 |
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71 foreach (@$embed) { |
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72 if (@$_ == 1) { |
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73 print $pr "$_->[0]\n"; |
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74 next; |
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75 } |
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76 |
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77 my ($flags,$retval,$plain_func,@args) = @$_; |
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78 my @nonnull; |
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79 my $has_context = ( $flags !~ /n/ ); |
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80 my $never_returns = ( $flags =~ /r/ ); |
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81 my $commented_out = ( $flags =~ /m/ ); |
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82 my $binarycompat = ( $flags =~ /b/ ); |
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83 my $is_malloc = ( $flags =~ /a/ ); |
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84 my $can_ignore = ( $flags !~ /R/ ) && !$is_malloc; |
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85 my @names_of_nn; |
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86 my $func; |
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87 |
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88 if (! $can_ignore && $retval eq 'void') { |
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89 warn "It is nonsensical to require the return value of a void function ($plain_func) to be checked"; |
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90 } |
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91 |
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92 my $scope_type_flag_count = 0; |
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93 $scope_type_flag_count++ if $flags =~ /s/; |
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94 $scope_type_flag_count++ if $flags =~ /i/; |
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95 $scope_type_flag_count++ if $flags =~ /p/; |
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96 warn "$plain_func: i, p, and s flags are all mutually exclusive" |
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97 if $scope_type_flag_count > 1; |
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98 my $splint_flags = ""; |
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99 if ( $SPLINT && !$commented_out ) { |
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100 $splint_flags .= '/*@noreturn@*/ ' if $never_returns; |
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101 if ($can_ignore && ($retval ne 'void') && ($retval !~ /\*/)) { |
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102 $retval .= " /*\@alt void\@*/"; |
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103 } |
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104 } |
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105 |
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106 if ($flags =~ /([si])/) { |
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107 my $type; |
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108 if ($never_returns) { |
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109 $type = $1 eq 's' ? "PERL_STATIC_NO_RET" : "PERL_STATIC_INLINE_NO_RET"; |
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110 } |
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111 else { |
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112 $type = $1 eq 's' ? "STATIC" : "PERL_STATIC_INLINE"; |
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113 } |
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114 $retval = "$type $splint_flags$retval"; |
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115 } |
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116 else { |
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117 if ($never_returns) { |
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118 $retval = "PERL_CALLCONV_NO_RET $splint_flags$retval"; |
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119 } |
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120 else { |
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121 $retval = "PERL_CALLCONV $splint_flags$retval"; |
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122 } |
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123 } |
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124 $func = full_name($plain_func, $flags); |
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125 $ret = "$retval\t$func("; |
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126 if ( $has_context ) { |
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127 $ret .= @args ? "pTHX_ " : "pTHX"; |
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128 } |
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129 if (@args) { |
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130 my $n; |
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131 for my $arg ( @args ) { |
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132 ++$n; |
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133 if ( $arg =~ /\*/ && $arg !~ /\b(NN|NULLOK)\b/ ) { |
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134 warn "$func: $arg needs NN or NULLOK\n"; |
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135 ++$unflagged_pointers; |
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136 } |
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137 my $nn = ( $arg =~ s/\s*\bNN\b\s+// ); |
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138 push( @nonnull, $n ) if $nn; |
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139 |
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140 my $nullok = ( $arg =~ s/\s*\bNULLOK\b\s+// ); # strip NULLOK with no effect |
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141 |
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142 # Make sure each arg has at least a type and a var name. |
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143 # An arg of "int" is valid C, but want it to be "int foo". |
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144 my $temp_arg = $arg; |
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145 $temp_arg =~ s/\*//g; |
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146 $temp_arg =~ s/\s*\bstruct\b\s*/ /g; |
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147 if ( ($temp_arg ne "...") |
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148 && ($temp_arg !~ /\w+\s+(\w+)(?:\[\d+\])?\s*$/) ) { |
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149 warn "$func: $arg ($n) doesn't have a name\n"; |
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150 } |
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151 if ( $SPLINT && $nullok && !$commented_out ) { |
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152 $arg = '/*@null@*/ ' . $arg; |
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153 } |
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154 if (defined $1 && $nn && !($commented_out && !$binarycompat)) { |
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155 push @names_of_nn, $1; |
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156 } |
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157 } |
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158 $ret .= join ", ", @args; |
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159 } |
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160 else { |
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161 $ret .= "void" if !$has_context; |
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162 } |
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163 $ret .= ")"; |
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164 my @attrs; |
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165 if ( $flags =~ /r/ ) { |
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166 push @attrs, "__attribute__noreturn__"; |
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167 } |
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168 if ( $flags =~ /D/ ) { |
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169 push @attrs, "__attribute__deprecated__"; |
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170 } |
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171 if ( $is_malloc ) { |
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172 push @attrs, "__attribute__malloc__"; |
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173 } |
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174 if ( !$can_ignore ) { |
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175 push @attrs, "__attribute__warn_unused_result__"; |
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176 } |
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177 if ( $flags =~ /P/ ) { |
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178 push @attrs, "__attribute__pure__"; |
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179 } |
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180 if( $flags =~ /f/ ) { |
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181 my $prefix = $has_context ? 'pTHX_' : ''; |
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182 my ($args, $pat); |
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183 if ($args[-1] eq '...') { |
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184 $args = scalar @args; |
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185 $pat = $args - 1; |
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186 $args = $prefix . $args; |
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187 } |
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188 else { |
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189 # don't check args, and guess which arg is the pattern |
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190 # (one of 'fmt', 'pat', 'f'), |
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191 $args = 0; |
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192 my @fmts = grep $args[$_] =~ /\b(f|pat|fmt)$/, 0..$#args; |
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193 if (@fmts != 1) { |
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194 die "embed.pl: '$plain_func': can't determine pattern arg\n"; |
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195 } |
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196 $pat = $fmts[0] + 1; |
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197 } |
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198 my $macro = grep($_ == $pat, @nonnull) |
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199 ? '__attribute__format__' |
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200 : '__attribute__format__null_ok__'; |
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201 if ($plain_func =~ /strftime/) { |
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202 push @attrs, sprintf "%s(__strftime__,%s1,0)", $macro, $prefix; |
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203 } |
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204 else { |
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205 push @attrs, sprintf "%s(__printf__,%s%d,%s)", $macro, |
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206 $prefix, $pat, $args; |
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207 } |
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208 } |
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209 if ( @nonnull ) { |
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210 my @pos = map { $has_context ? "pTHX_$_" : $_ } @nonnull; |
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211 push @attrs, map { sprintf( "__attribute__nonnull__(%s)", $_ ) } @pos; |
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212 } |
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213 if ( @attrs ) { |
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214 $ret .= "\n"; |
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215 $ret .= join( "\n", map { "\t\t\t$_" } @attrs ); |
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216 } |
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217 $ret .= ";"; |
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218 $ret = "/* $ret */" if $commented_out; |
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219 if (@names_of_nn) { |
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220 $ret .= "\n#define PERL_ARGS_ASSERT_\U$plain_func\E\t\\\n\t" |
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221 . join '; ', map "assert($_)", @names_of_nn; |
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222 } |
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223 $ret .= @attrs ? "\n\n" : "\n"; |
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224 |
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225 print $pr $ret; |
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226 } |
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227 |
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228 print $pr <<'EOF'; |
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229 #ifdef PERL_CORE |
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230 # include "pp_proto.h" |
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231 #endif |
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232 END_EXTERN_C |
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233 EOF |
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234 |
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235 read_only_bottom_close_and_rename($pr); |
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236 } |
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237 |
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238 warn "$unflagged_pointers pointer arguments to clean up\n" if $unflagged_pointers; |
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239 |
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240 sub readvars { |
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241 my ($file, $pre) = @_; |
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242 local (*FILE, $_); |
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243 my %seen; |
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244 open(FILE, "< $file") |
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245 or die "embed.pl: Can't open $file: $!\n"; |
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246 while (<FILE>) { |
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247 s/[ \t]*#.*//; # Delete comments. |
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248 if (/PERLVARA?I?C?\($pre,\s*(\w+)/) { |
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249 warn "duplicate symbol $1 while processing $file line $.\n" |
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250 if $seen{$1}++; |
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251 } |
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252 } |
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253 close(FILE); |
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254 return sort keys %seen; |
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255 } |
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256 |
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257 my @intrp = readvars 'intrpvar.h','I'; |
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258 my @globvar = readvars 'perlvars.h','G'; |
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259 |
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260 sub hide { |
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261 my ($from, $to, $indent) = @_; |
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262 $indent = '' unless defined $indent; |
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263 my $t = int(length("$indent$from") / 8); |
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264 "#${indent}define $from" . "\t" x ($t < 3 ? 3 - $t : 1) . "$to\n"; |
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265 } |
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266 |
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267 sub multon ($$$) { |
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268 my ($sym,$pre,$ptr) = @_; |
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269 hide("PL_$sym", "($ptr$pre$sym)"); |
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270 } |
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271 |
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272 my $em = open_print_header('embed.h'); |
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273 |
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274 print $em <<'END'; |
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275 /* (Doing namespace management portably in C is really gross.) */ |
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276 |
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277 /* By defining PERL_NO_SHORT_NAMES (not done by default) the short forms |
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278 * (like warn instead of Perl_warn) for the API are not defined. |
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279 * Not defining the short forms is a good thing for cleaner embedding. */ |
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280 |
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281 #ifndef PERL_NO_SHORT_NAMES |
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282 |
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283 /* Hide global symbols */ |
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284 |
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285 END |
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286 |
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287 my @az = ('a'..'z'); |
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288 |
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289 sub embed_h { |
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290 my ($guard, $funcs) = @_; |
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291 print $em "$guard\n" if $guard; |
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292 |
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293 my $lines; |
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294 foreach (@$funcs) { |
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295 if (@$_ == 1) { |
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296 my $cond = $_->[0]; |
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297 # Indent the conditionals if we are wrapped in an #if/#endif pair. |
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298 $cond =~ s/#(.*)/# $1/ if $guard; |
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299 $lines .= "$cond\n"; |
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300 next; |
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301 } |
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302 my $ret = ""; |
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303 my ($flags,$retval,$func,@args) = @$_; |
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304 unless ($flags =~ /[om]/) { |
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305 my $args = scalar @args; |
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306 if ($flags =~ /n/) { |
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307 $ret = hide($func, full_name($func, $flags)); |
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308 } |
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309 elsif ($args and $args[$args-1] =~ /\.\.\./) { |
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310 if ($flags =~ /p/) { |
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311 # we're out of luck for varargs functions under CPP |
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312 # So we can only do these macros for no implicit context: |
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313 $ret = "#ifndef PERL_IMPLICIT_CONTEXT\n" |
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314 . hide($func, full_name($func, $flags)) . "#endif\n"; |
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315 } |
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316 } |
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317 else { |
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318 my $alist = join(",", @az[0..$args-1]); |
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319 $ret = "#define $func($alist)"; |
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320 my $t = int(length($ret) / 8); |
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321 $ret .= "\t" x ($t < 4 ? 4 - $t : 1); |
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322 $ret .= full_name($func, $flags) . "(aTHX"; |
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323 $ret .= "_ " if $alist; |
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324 $ret .= $alist . ")\n"; |
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325 } |
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326 } |
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327 $lines .= $ret; |
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328 } |
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329 # Prune empty #if/#endif pairs. |
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330 while ($lines =~ s/#\s*if[^\n]+\n#\s*endif\n//) { |
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331 } |
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332 # Merge adjacent blocks. |
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333 while ($lines =~ s/(#ifndef PERL_IMPLICIT_CONTEXT |
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334 [^\n]+ |
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335 )#endif |
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336 #ifndef PERL_IMPLICIT_CONTEXT |
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337 /$1/) { |
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338 } |
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339 |
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340 print $em $lines; |
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341 print $em "#endif\n" if $guard; |
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342 } |
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343 |
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344 embed_h('', $api); |
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345 embed_h('#if defined(PERL_CORE) || defined(PERL_EXT)', $ext); |
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346 embed_h('#ifdef PERL_CORE', $core); |
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347 |
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348 print $em <<'END'; |
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349 |
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350 #endif /* #ifndef PERL_NO_SHORT_NAMES */ |
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351 |
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352 /* Compatibility stubs. Compile extensions with -DPERL_NOCOMPAT to |
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353 disable them. |
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354 */ |
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355 |
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356 #if !defined(PERL_CORE) |
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357 # define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,PTR2IV(ptr)) |
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358 # define sv_setptrref(rv,ptr) sv_setref_iv(rv,NULL,PTR2IV(ptr)) |
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359 #endif |
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360 |
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361 #if !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) |
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362 |
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363 /* Compatibility for various misnamed functions. All functions |
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364 in the API that begin with "perl_" (not "Perl_") take an explicit |
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365 interpreter context pointer. |
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366 The following are not like that, but since they had a "perl_" |
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367 prefix in previous versions, we provide compatibility macros. |
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368 */ |
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369 # define perl_atexit(a,b) call_atexit(a,b) |
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370 END |
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371 |
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372 foreach (@$embed) { |
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373 my ($flags, $retval, $func, @args) = @$_; |
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374 next unless $func; |
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375 next unless $flags =~ /O/; |
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376 |
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377 my $alist = join ",", @az[0..$#args]; |
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378 my $ret = "# define perl_$func($alist)"; |
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379 my $t = (length $ret) >> 3; |
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380 $ret .= "\t" x ($t < 5 ? 5 - $t : 1); |
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381 print $em "$ret$func($alist)\n"; |
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382 } |
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383 |
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384 my @nocontext; |
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385 { |
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386 my (%has_va, %has_nocontext); |
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387 foreach (@$embed) { |
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388 next unless @$_ > 1; |
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389 ++$has_va{$_->[2]} if $_->[-1] =~ /\.\.\./; |
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390 ++$has_nocontext{$1} if $_->[2] =~ /(.*)_nocontext/; |
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391 } |
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392 |
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393 @nocontext = sort grep { |
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394 $has_nocontext{$_} |
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395 && !/printf/ # Not clear to me why these are skipped but they are. |
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396 } keys %has_va; |
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397 } |
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398 |
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399 print $em <<'END'; |
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400 |
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401 /* varargs functions can't be handled with CPP macros. :-( |
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402 This provides a set of compatibility functions that don't take |
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403 an extra argument but grab the context pointer using the macro |
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404 dTHX. |
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405 */ |
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406 #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_NO_SHORT_NAMES) |
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407 END |
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408 |
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409 foreach (@nocontext) { |
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410 print $em hide($_, "Perl_${_}_nocontext", " "); |
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411 } |
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412 |
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413 print $em <<'END'; |
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414 #endif |
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415 |
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416 #endif /* !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) */ |
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417 |
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418 #if !defined(PERL_IMPLICIT_CONTEXT) |
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419 /* undefined symbols, point them back at the usual ones */ |
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420 END |
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421 |
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422 foreach (@nocontext) { |
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423 print $em hide("Perl_${_}_nocontext", "Perl_$_", " "); |
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424 } |
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425 |
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426 print $em <<'END'; |
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427 #endif |
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428 END |
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429 |
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430 read_only_bottom_close_and_rename($em); |
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431 |
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432 $em = open_print_header('embedvar.h'); |
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433 |
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434 print $em <<'END'; |
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435 /* (Doing namespace management portably in C is really gross.) */ |
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436 |
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437 /* |
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438 The following combinations of MULTIPLICITY and PERL_IMPLICIT_CONTEXT |
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439 are supported: |
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440 1) none |
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441 2) MULTIPLICITY # supported for compatibility |
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442 3) MULTIPLICITY && PERL_IMPLICIT_CONTEXT |
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443 |
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444 All other combinations of these flags are errors. |
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445 |
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446 only #3 is supported directly, while #2 is a special |
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447 case of #3 (supported by redefining vTHX appropriately). |
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448 */ |
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HackBot
parents:
diff
changeset
|
449 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff
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|
450 #if defined(MULTIPLICITY) |
a16537d2fe07
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451 /* cases 2 and 3 above */ |
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parents:
diff
changeset
|
452 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff
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|
453 # if defined(PERL_IMPLICIT_CONTEXT) |
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|
454 # define vTHX aTHX |
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changeset
|
455 # else |
a16537d2fe07
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|
456 # define vTHX PERL_GET_INTERP |
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|
457 # endif |
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changeset
|
458 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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|
459 END |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff
changeset
|
460 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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|
461 my $sym; |
a16537d2fe07
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HackBot
parents:
diff
changeset
|
462 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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changeset
|
463 for $sym (@intrp) { |
a16537d2fe07
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|
464 if ($sym eq 'sawampersand') { |
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465 print $em "#ifndef PL_sawampersand\n"; |
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HackBot
parents:
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|
466 } |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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|
467 print $em multon($sym,'I','vTHX->'); |
a16537d2fe07
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HackBot
parents:
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changeset
|
468 if ($sym eq 'sawampersand') { |
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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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469 print $em "#endif\n"; |
a16537d2fe07
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470 } |
a16537d2fe07
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|
471 } |
a16537d2fe07
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changeset
|
472 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
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changeset
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473 print $em <<'END'; |
a16537d2fe07
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parents:
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changeset
|
474 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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|
475 #endif /* MULTIPLICITY */ |
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changeset
|
476 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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|
477 #if defined(PERL_GLOBAL_STRUCT) |
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changeset
|
478 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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|
479 END |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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changeset
|
480 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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481 for $sym (@globvar) { |
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482 print $em "#ifdef OS2\n" if $sym eq 'sh_path'; |
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483 print $em multon($sym, 'G','my_vars->'); |
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484 print $em multon("G$sym",'', 'my_vars->'); |
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485 print $em "#endif\n" if $sym eq 'sh_path'; |
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486 } |
a16537d2fe07
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changeset
|
487 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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|
488 print $em <<'END'; |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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changeset
|
489 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff
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|
490 #endif /* PERL_GLOBAL_STRUCT */ |
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491 END |
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|
492 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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493 read_only_bottom_close_and_rename($em); |
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changeset
|
494 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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495 my $capih = open_print_header('perlapi.h'); |
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496 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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497 print $capih <<'EOT'; |
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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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498 /* declare accessor functions for Perl variables */ |
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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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499 #ifndef __perlapi_h__ |
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500 #define __perlapi_h__ |
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501 |
a16537d2fe07
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|
502 #if defined (MULTIPLICITY) && defined (PERL_GLOBAL_STRUCT) |
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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
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|
503 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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|
504 START_EXTERN_C |
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parents:
diff
changeset
|
505 |
a16537d2fe07
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HackBot
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|
506 #undef PERLVAR |
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507 #undef PERLVARA |
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508 #undef PERLVARI |
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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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509 #undef PERLVARIC |
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|
510 #define PERLVAR(p,v,t) EXTERN_C t* Perl_##p##v##_ptr(pTHX); |
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|
511 #define PERLVARA(p,v,n,t) typedef t PL_##v##_t[n]; \ |
a16537d2fe07
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|
512 EXTERN_C PL_##v##_t* Perl_##p##v##_ptr(pTHX); |
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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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|
513 #define PERLVARI(p,v,t,i) PERLVAR(p,v,t) |
a16537d2fe07
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parents:
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changeset
|
514 #define PERLVARIC(p,v,t,i) PERLVAR(p,v, const t) |
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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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|
515 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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|
516 #include "perlvars.h" |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
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changeset
|
517 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
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changeset
|
518 #undef PERLVAR |
a16537d2fe07
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parents:
diff
changeset
|
519 #undef PERLVARA |
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parents:
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520 #undef PERLVARI |
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521 #undef PERLVARIC |
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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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changeset
|
522 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
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changeset
|
523 END_EXTERN_C |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff
changeset
|
524 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff
changeset
|
525 #if defined(PERL_CORE) |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff
changeset
|
526 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff
changeset
|
527 /* accessor functions for Perl "global" variables */ |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff
changeset
|
528 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
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changeset
|
529 /* these need to be mentioned here, or most linkers won't put them in |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff
changeset
|
530 the perl executable */ |
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 #ifndef PERL_NO_FORCE_LINK |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
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changeset
|
533 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff
changeset
|
534 START_EXTERN_C |
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 #ifndef DOINIT |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff
changeset
|
537 EXTCONST void * const PL_force_link_funcs[]; |
a16537d2fe07
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parents:
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changeset
|
538 #else |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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changeset
|
539 EXTCONST void * const PL_force_link_funcs[] = { |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff
changeset
|
540 #undef PERLVAR |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
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changeset
|
541 #undef PERLVARA |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
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changeset
|
542 #undef PERLVARI |
a16537d2fe07
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HackBot
parents:
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changeset
|
543 #undef PERLVARIC |
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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
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changeset
|
544 #define PERLVAR(p,v,t) (void*)Perl_##p##v##_ptr, |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff
changeset
|
545 #define PERLVARA(p,v,n,t) PERLVAR(p,v,t) |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
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changeset
|
546 #define PERLVARI(p,v,t,i) PERLVAR(p,v,t) |
a16537d2fe07
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parents:
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changeset
|
547 #define PERLVARIC(p,v,t,i) PERLVAR(p,v,t) |
a16537d2fe07
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HackBot
parents:
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changeset
|
548 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
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changeset
|
549 /* In Tru64 (__DEC && __osf__) the cc option -std1 causes that one |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff
changeset
|
550 * cannot cast between void pointers and function pointers without |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff
changeset
|
551 * info level warnings. The PL_force_link_funcs[] would cause a few |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
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|
552 * hundred of those warnings. In code one can circumnavigate this by using |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
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changeset
|
553 * unions that overlay the different pointers, but in declarations one |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
diff
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|
554 * cannot use this trick. Therefore we just disable the warning here |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
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|
555 * for the duration of the PL_force_link_funcs[] declaration. */ |
a16537d2fe07
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HackBot
parents:
diff
changeset
|
556 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
diff
changeset
|
557 #if defined(__DECC) && defined(__osf__) |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
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changeset
|
558 #pragma message save |
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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
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|
559 #pragma message disable (nonstandcast) |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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parents:
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changeset
|
560 #endif |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
HackBot
parents:
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changeset
|
561 |
a16537d2fe07
<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
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562 #include "perlvars.h" |
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563 |
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564 #if defined(__DECC) && defined(__osf__) |
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565 #pragma message restore |
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566 #endif |
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567 |
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568 #undef PERLVAR |
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569 #undef PERLVARA |
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570 #undef PERLVARI |
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571 #undef PERLVARIC |
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572 }; |
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573 #endif /* DOINIT */ |
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574 |
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575 END_EXTERN_C |
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576 |
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577 #endif /* PERL_NO_FORCE_LINK */ |
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578 |
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579 #else /* !PERL_CORE */ |
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580 |
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581 EOT |
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582 |
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583 foreach $sym (@globvar) { |
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584 print $capih |
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585 "#undef PL_$sym\n" . hide("PL_$sym", "(*Perl_G${sym}_ptr(NULL))"); |
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586 } |
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587 |
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588 print $capih <<'EOT'; |
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589 |
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590 #endif /* !PERL_CORE */ |
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591 #endif /* MULTIPLICITY && PERL_GLOBAL_STRUCT */ |
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592 |
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593 #endif /* __perlapi_h__ */ |
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594 EOT |
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595 |
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596 read_only_bottom_close_and_rename($capih); |
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597 |
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598 my $capi = open_print_header('perlapi.c', <<'EOQ'); |
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599 * |
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600 * |
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601 * Up to the threshold of the door there mounted a flight of twenty-seven |
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602 * broad stairs, hewn by some unknown art of the same black stone. This |
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603 * was the only entrance to the tower; ... |
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604 * |
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605 * [p.577 of _The Lord of the Rings_, III/x: "The Voice of Saruman"] |
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606 * |
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607 */ |
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608 EOQ |
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609 |
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610 print $capi <<'EOT'; |
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611 #include "EXTERN.h" |
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612 #include "perl.h" |
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613 #include "perlapi.h" |
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614 |
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615 #if defined (MULTIPLICITY) && defined (PERL_GLOBAL_STRUCT) |
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616 |
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617 /* accessor functions for Perl "global" variables */ |
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618 START_EXTERN_C |
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619 |
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620 #undef PERLVARI |
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621 #define PERLVARI(p,v,t,i) PERLVAR(p,v,t) |
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622 |
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623 #undef PERLVAR |
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624 #undef PERLVARA |
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625 #define PERLVAR(p,v,t) t* Perl_##p##v##_ptr(pTHX) \ |
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626 { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
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627 #define PERLVARA(p,v,n,t) PL_##v##_t* Perl_##p##v##_ptr(pTHX) \ |
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628 { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
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629 #undef PERLVARIC |
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630 #define PERLVARIC(p,v,t,i) \ |
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631 const t* Perl_##p##v##_ptr(pTHX) \ |
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632 { PERL_UNUSED_CONTEXT; return (const t *)&(PL_##v); } |
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633 #include "perlvars.h" |
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634 |
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635 #undef PERLVAR |
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636 #undef PERLVARA |
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637 #undef PERLVARI |
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638 #undef PERLVARIC |
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639 |
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640 END_EXTERN_C |
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641 |
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642 #endif /* MULTIPLICITY && PERL_GLOBAL_STRUCT */ |
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643 EOT |
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644 |
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645 read_only_bottom_close_and_rename($capi); |
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646 |
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647 # ex: set ts=8 sts=4 sw=4 noet: |