| 1 | #!/usr/bin/perl -w |
| 2 | |
| 3 | require 5.003; # keep this compatible, an old perl is all we may have before |
| 4 | # we build the new one |
| 5 | |
| 6 | BEGIN { |
| 7 | # Get function prototypes |
| 8 | require 'regen_lib.pl'; |
| 9 | } |
| 10 | |
| 11 | # |
| 12 | # See database of global and static function prototypes in embed.fnc |
| 13 | # This is used to generate prototype headers under various configurations, |
| 14 | # export symbols lists for different platforms, and macros to provide an |
| 15 | # implicit interpreter context argument. |
| 16 | # |
| 17 | |
| 18 | sub do_not_edit ($) |
| 19 | { |
| 20 | my $file = shift; |
| 21 | |
| 22 | my $years; |
| 23 | |
| 24 | if ($file eq 'embed.h') { |
| 25 | $years = '1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004'; |
| 26 | } elsif ($file eq 'embedvar.h') { |
| 27 | $years = '1999, 2000, 2001, 2002, 2003, 2004'; |
| 28 | } elsif ($file eq 'global.sym') { |
| 29 | $years = '1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004'; |
| 30 | } elsif ($file eq 'perlapi.c') { |
| 31 | $years = '1999, 2000, 2001'; |
| 32 | } elsif ($file eq 'perlapi.h') { |
| 33 | $years = '1999, 2000, 2001, 2002, 2003, 2004'; |
| 34 | } elsif ($file eq 'proto.h') { |
| 35 | $years = '1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004'; |
| 36 | } |
| 37 | |
| 38 | $years =~ s/1999,/1999,\n / if length $years > 40; |
| 39 | |
| 40 | my $warning = <<EOW; |
| 41 | |
| 42 | $file |
| 43 | |
| 44 | Copyright (C) $years, by Larry Wall and others |
| 45 | |
| 46 | You may distribute under the terms of either the GNU General Public |
| 47 | License or the Artistic License, as specified in the README file. |
| 48 | |
| 49 | !!!!!!! DO NOT EDIT THIS FILE !!!!!!! |
| 50 | This file is built by embed.pl from data in embed.fnc, embed.pl, |
| 51 | pp.sym, intrpvar.h, perlvars.h and thrdvar.h. |
| 52 | Any changes made here will be lost! |
| 53 | |
| 54 | Edit those files and run 'make regen_headers' to effect changes. |
| 55 | |
| 56 | EOW |
| 57 | |
| 58 | $warning .= <<EOW if $file eq 'perlapi.c'; |
| 59 | |
| 60 | Up to the threshold of the door there mounted a flight of twenty-seven |
| 61 | broad stairs, hewn by some unknown art of the same black stone. This |
| 62 | was the only entrance to the tower. |
| 63 | |
| 64 | |
| 65 | EOW |
| 66 | |
| 67 | if ($file =~ m:\.[ch]$:) { |
| 68 | $warning =~ s:^: * :gm; |
| 69 | $warning =~ s: +$::gm; |
| 70 | $warning =~ s: :/:; |
| 71 | $warning =~ s:$:/:; |
| 72 | } |
| 73 | else { |
| 74 | $warning =~ s:^:# :gm; |
| 75 | $warning =~ s: +$::gm; |
| 76 | } |
| 77 | $warning; |
| 78 | } # do_not_edit |
| 79 | |
| 80 | open IN, "embed.fnc" or die $!; |
| 81 | |
| 82 | # walk table providing an array of components in each line to |
| 83 | # subroutine, printing the result |
| 84 | sub walk_table (&@) { |
| 85 | my $function = shift; |
| 86 | my $filename = shift || '-'; |
| 87 | my $leader = shift; |
| 88 | defined $leader or $leader = do_not_edit ($filename); |
| 89 | my $trailer = shift; |
| 90 | my $F; |
| 91 | local *F; |
| 92 | if (ref $filename) { # filehandle |
| 93 | $F = $filename; |
| 94 | } |
| 95 | else { |
| 96 | safer_unlink $filename; |
| 97 | open F, ">$filename" or die "Can't open $filename: $!"; |
| 98 | $F = \*F; |
| 99 | } |
| 100 | print $F $leader if $leader; |
| 101 | seek IN, 0, 0; # so we may restart |
| 102 | while (<IN>) { |
| 103 | chomp; |
| 104 | next if /^:/; |
| 105 | while (s|\\$||) { |
| 106 | $_ .= <IN>; |
| 107 | chomp; |
| 108 | } |
| 109 | my @args; |
| 110 | if (/^\s*(#|$)/) { |
| 111 | @args = $_; |
| 112 | } |
| 113 | else { |
| 114 | @args = split /\s*\|\s*/, $_; |
| 115 | } |
| 116 | my @outs = &{$function}(@args); |
| 117 | print $F @outs; # $function->(@args) is not 5.003 |
| 118 | } |
| 119 | print $F $trailer if $trailer; |
| 120 | unless (ref $filename) { |
| 121 | close $F or die "Error closing $filename: $!"; |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | sub munge_c_files () { |
| 126 | my $functions = {}; |
| 127 | unless (@ARGV) { |
| 128 | warn "\@ARGV empty, nothing to do\n"; |
| 129 | return; |
| 130 | } |
| 131 | walk_table { |
| 132 | if (@_ > 1) { |
| 133 | $functions->{$_[2]} = \@_ if $_[@_-1] =~ /\.\.\./; |
| 134 | } |
| 135 | } '/dev/null', ''; |
| 136 | local $^I = '.bak'; |
| 137 | while (<>) { |
| 138 | # if (/^#\s*include\s+"perl.h"/) { |
| 139 | # my $file = uc $ARGV; |
| 140 | # $file =~ s/\./_/g; |
| 141 | # print "#define PERL_IN_$file\n"; |
| 142 | # } |
| 143 | # s{^(\w+)\s*\(} |
| 144 | # { |
| 145 | # my $f = $1; |
| 146 | # my $repl = "$f("; |
| 147 | # if (exists $functions->{$f}) { |
| 148 | # my $flags = $functions->{$f}[0]; |
| 149 | # $repl = "Perl_$repl" if $flags =~ /p/; |
| 150 | # unless ($flags =~ /n/) { |
| 151 | # $repl .= "pTHX"; |
| 152 | # $repl .= "_ " if @{$functions->{$f}} > 3; |
| 153 | # } |
| 154 | # warn("$ARGV:$.:$repl\n"); |
| 155 | # } |
| 156 | # $repl; |
| 157 | # }e; |
| 158 | s{(\b(\w+)[ \t]*\([ \t]*(?!aTHX))} |
| 159 | { |
| 160 | my $repl = $1; |
| 161 | my $f = $2; |
| 162 | if (exists $functions->{$f}) { |
| 163 | $repl .= "aTHX_ "; |
| 164 | warn("$ARGV:$.:$`#$repl#$'"); |
| 165 | } |
| 166 | $repl; |
| 167 | }eg; |
| 168 | print; |
| 169 | close ARGV if eof; # restart $. |
| 170 | } |
| 171 | exit; |
| 172 | } |
| 173 | |
| 174 | #munge_c_files(); |
| 175 | |
| 176 | # generate proto.h |
| 177 | my $wrote_protected = 0; |
| 178 | |
| 179 | sub write_protos { |
| 180 | my $ret = ""; |
| 181 | if (@_ == 1) { |
| 182 | my $arg = shift; |
| 183 | $ret .= "$arg\n"; |
| 184 | } |
| 185 | else { |
| 186 | my ($flags,$retval,$func,@args) = @_; |
| 187 | $ret .= '/* ' if $flags =~ /m/; |
| 188 | if ($flags =~ /s/) { |
| 189 | $retval = "STATIC $retval"; |
| 190 | $func = "S_$func"; |
| 191 | } |
| 192 | else { |
| 193 | $retval = "PERL_CALLCONV $retval"; |
| 194 | if ($flags =~ /p/) { |
| 195 | $func = "Perl_$func"; |
| 196 | } |
| 197 | } |
| 198 | $ret .= "$retval\t$func("; |
| 199 | unless ($flags =~ /n/) { |
| 200 | $ret .= "pTHX"; |
| 201 | $ret .= "_ " if @args; |
| 202 | } |
| 203 | if (@args) { |
| 204 | $ret .= join ", ", @args; |
| 205 | } |
| 206 | else { |
| 207 | $ret .= "void" if $flags =~ /n/; |
| 208 | } |
| 209 | $ret .= ")"; |
| 210 | $ret .= " __attribute__((noreturn))" if $flags =~ /r/; |
| 211 | if( $flags =~ /f/ ) { |
| 212 | my $prefix = $flags =~ /n/ ? '' : 'pTHX_'; |
| 213 | my $args = scalar @args; |
| 214 | $ret .= sprintf "\n\t__attribute__format__(__printf__,%s%d,%s%d)", |
| 215 | $prefix, $args - 1, $prefix, $args; |
| 216 | } |
| 217 | $ret .= ";"; |
| 218 | $ret .= ' */' if $flags =~ /m/; |
| 219 | $ret .= "\n"; |
| 220 | } |
| 221 | $ret; |
| 222 | } |
| 223 | |
| 224 | # generates global.sym (API export list), and populates %global with global symbols |
| 225 | sub write_global_sym { |
| 226 | my $ret = ""; |
| 227 | if (@_ > 1) { |
| 228 | my ($flags,$retval,$func,@args) = @_; |
| 229 | if ($flags =~ /[AX]/ && $flags !~ /[xm]/ |
| 230 | || $flags =~ /b/) { # public API, so export |
| 231 | $func = "Perl_$func" if $flags =~ /[pbX]/; |
| 232 | $ret = "$func\n"; |
| 233 | } |
| 234 | } |
| 235 | $ret; |
| 236 | } |
| 237 | |
| 238 | walk_table(\&write_protos, "proto.h", undef); |
| 239 | walk_table(\&write_global_sym, "global.sym", undef); |
| 240 | |
| 241 | # XXX others that may need adding |
| 242 | # warnhook |
| 243 | # hints |
| 244 | # copline |
| 245 | my @extvars = qw(sv_undef sv_yes sv_no na dowarn |
| 246 | curcop compiling |
| 247 | tainting tainted stack_base stack_sp sv_arenaroot |
| 248 | no_modify |
| 249 | curstash DBsub DBsingle DBassertion debstash |
| 250 | rsfp |
| 251 | stdingv |
| 252 | defgv |
| 253 | errgv |
| 254 | rsfp_filters |
| 255 | perldb |
| 256 | diehook |
| 257 | dirty |
| 258 | perl_destruct_level |
| 259 | ppaddr |
| 260 | ); |
| 261 | |
| 262 | sub readsyms (\%$) { |
| 263 | my ($syms, $file) = @_; |
| 264 | local (*FILE, $_); |
| 265 | open(FILE, "< $file") |
| 266 | or die "embed.pl: Can't open $file: $!\n"; |
| 267 | while (<FILE>) { |
| 268 | s/[ \t]*#.*//; # Delete comments. |
| 269 | if (/^\s*(\S+)\s*$/) { |
| 270 | my $sym = $1; |
| 271 | warn "duplicate symbol $sym while processing $file\n" |
| 272 | if exists $$syms{$sym}; |
| 273 | $$syms{$sym} = 1; |
| 274 | } |
| 275 | } |
| 276 | close(FILE); |
| 277 | } |
| 278 | |
| 279 | # Perl_pp_* and Perl_ck_* are in pp.sym |
| 280 | readsyms my %ppsym, 'pp.sym'; |
| 281 | |
| 282 | sub readvars(\%$$@) { |
| 283 | my ($syms, $file,$pre,$keep_pre) = @_; |
| 284 | local (*FILE, $_); |
| 285 | open(FILE, "< $file") |
| 286 | or die "embed.pl: Can't open $file: $!\n"; |
| 287 | while (<FILE>) { |
| 288 | s/[ \t]*#.*//; # Delete comments. |
| 289 | if (/PERLVARA?I?C?\($pre(\w+)/) { |
| 290 | my $sym = $1; |
| 291 | $sym = $pre . $sym if $keep_pre; |
| 292 | warn "duplicate symbol $sym while processing $file\n" |
| 293 | if exists $$syms{$sym}; |
| 294 | $$syms{$sym} = $pre || 1; |
| 295 | } |
| 296 | } |
| 297 | close(FILE); |
| 298 | } |
| 299 | |
| 300 | my %intrp; |
| 301 | my %thread; |
| 302 | |
| 303 | readvars %intrp, 'intrpvar.h','I'; |
| 304 | readvars %thread, 'thrdvar.h','T'; |
| 305 | readvars %globvar, 'perlvars.h','G'; |
| 306 | |
| 307 | my $sym; |
| 308 | foreach $sym (sort keys %thread) { |
| 309 | warn "$sym in intrpvar.h as well as thrdvar.h\n" if exists $intrp{$sym}; |
| 310 | } |
| 311 | |
| 312 | sub undefine ($) { |
| 313 | my ($sym) = @_; |
| 314 | "#undef $sym\n"; |
| 315 | } |
| 316 | |
| 317 | sub hide ($$) { |
| 318 | my ($from, $to) = @_; |
| 319 | my $t = int(length($from) / 8); |
| 320 | "#define $from" . "\t" x ($t < 3 ? 3 - $t : 1) . "$to\n"; |
| 321 | } |
| 322 | |
| 323 | sub bincompat_var ($$) { |
| 324 | my ($pfx, $sym) = @_; |
| 325 | my $arg = ($pfx eq 'G' ? 'NULL' : 'aTHX'); |
| 326 | undefine("PL_$sym") . hide("PL_$sym", "(*Perl_${pfx}${sym}_ptr($arg))"); |
| 327 | } |
| 328 | |
| 329 | sub multon ($$$) { |
| 330 | my ($sym,$pre,$ptr) = @_; |
| 331 | hide("PL_$sym", "($ptr$pre$sym)"); |
| 332 | } |
| 333 | |
| 334 | sub multoff ($$) { |
| 335 | my ($sym,$pre) = @_; |
| 336 | return hide("PL_$pre$sym", "PL_$sym"); |
| 337 | } |
| 338 | |
| 339 | safer_unlink 'embed.h'; |
| 340 | open(EM, '> embed.h') or die "Can't create embed.h: $!\n"; |
| 341 | |
| 342 | print EM do_not_edit ("embed.h"), <<'END'; |
| 343 | |
| 344 | /* (Doing namespace management portably in C is really gross.) */ |
| 345 | |
| 346 | /* By defining PERL_NO_SHORT_NAMES (not done by default) the short forms |
| 347 | * (like warn instead of Perl_warn) for the API are not defined. |
| 348 | * Not defining the short forms is a good thing for cleaner embedding. */ |
| 349 | |
| 350 | #ifndef PERL_NO_SHORT_NAMES |
| 351 | |
| 352 | /* Hide global symbols */ |
| 353 | |
| 354 | #if !defined(PERL_IMPLICIT_CONTEXT) |
| 355 | |
| 356 | END |
| 357 | |
| 358 | walk_table { |
| 359 | my $ret = ""; |
| 360 | if (@_ == 1) { |
| 361 | my $arg = shift; |
| 362 | $ret .= "$arg\n" if $arg =~ /^#\s*(if|ifn?def|else|endif)\b/; |
| 363 | } |
| 364 | else { |
| 365 | my ($flags,$retval,$func,@args) = @_; |
| 366 | unless ($flags =~ /[om]/) { |
| 367 | if ($flags =~ /s/) { |
| 368 | $ret .= hide($func,"S_$func"); |
| 369 | } |
| 370 | elsif ($flags =~ /p/) { |
| 371 | $ret .= hide($func,"Perl_$func"); |
| 372 | } |
| 373 | } |
| 374 | if ($ret ne '' && $flags !~ /A/) { |
| 375 | if ($flags =~ /E/) { |
| 376 | $ret = "#if defined(PERL_CORE) || defined(PERL_EXT)\n$ret#endif\n"; |
| 377 | } else { |
| 378 | $ret = "#ifdef PERL_CORE\n$ret#endif\n"; |
| 379 | } |
| 380 | } |
| 381 | } |
| 382 | $ret; |
| 383 | } \*EM, ""; |
| 384 | |
| 385 | for $sym (sort keys %ppsym) { |
| 386 | $sym =~ s/^Perl_//; |
| 387 | print EM hide($sym, "Perl_$sym"); |
| 388 | } |
| 389 | |
| 390 | print EM <<'END'; |
| 391 | |
| 392 | #else /* PERL_IMPLICIT_CONTEXT */ |
| 393 | |
| 394 | END |
| 395 | |
| 396 | my @az = ('a'..'z'); |
| 397 | |
| 398 | walk_table { |
| 399 | my $ret = ""; |
| 400 | if (@_ == 1) { |
| 401 | my $arg = shift; |
| 402 | $ret .= "$arg\n" if $arg =~ /^#\s*(if|ifn?def|else|endif)\b/; |
| 403 | } |
| 404 | else { |
| 405 | my ($flags,$retval,$func,@args) = @_; |
| 406 | unless ($flags =~ /[om]/) { |
| 407 | my $args = scalar @args; |
| 408 | if ($args and $args[$args-1] =~ /\.\.\./) { |
| 409 | # we're out of luck for varargs functions under CPP |
| 410 | } |
| 411 | elsif ($flags =~ /n/) { |
| 412 | if ($flags =~ /s/) { |
| 413 | $ret .= hide($func,"S_$func"); |
| 414 | } |
| 415 | elsif ($flags =~ /p/) { |
| 416 | $ret .= hide($func,"Perl_$func"); |
| 417 | } |
| 418 | } |
| 419 | else { |
| 420 | my $alist = join(",", @az[0..$args-1]); |
| 421 | $ret = "#define $func($alist)"; |
| 422 | my $t = int(length($ret) / 8); |
| 423 | $ret .= "\t" x ($t < 4 ? 4 - $t : 1); |
| 424 | if ($flags =~ /s/) { |
| 425 | $ret .= "S_$func(aTHX"; |
| 426 | } |
| 427 | elsif ($flags =~ /p/) { |
| 428 | $ret .= "Perl_$func(aTHX"; |
| 429 | } |
| 430 | $ret .= "_ " if $alist; |
| 431 | $ret .= $alist . ")\n"; |
| 432 | } |
| 433 | } |
| 434 | unless ($flags =~ /A/) { |
| 435 | if ($flags =~ /E/) { |
| 436 | $ret = "#if defined(PERL_CORE) || defined(PERL_EXT)\n$ret#endif\n"; |
| 437 | } else { |
| 438 | $ret = "#ifdef PERL_CORE\n$ret#endif\n"; |
| 439 | } |
| 440 | } |
| 441 | } |
| 442 | $ret; |
| 443 | } \*EM, ""; |
| 444 | |
| 445 | for $sym (sort keys %ppsym) { |
| 446 | $sym =~ s/^Perl_//; |
| 447 | if ($sym =~ /^ck_/) { |
| 448 | print EM hide("$sym(a)", "Perl_$sym(aTHX_ a)"); |
| 449 | } |
| 450 | elsif ($sym =~ /^pp_/) { |
| 451 | print EM hide("$sym()", "Perl_$sym(aTHX)"); |
| 452 | } |
| 453 | else { |
| 454 | warn "Illegal symbol '$sym' in pp.sym"; |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | print EM <<'END'; |
| 459 | |
| 460 | #endif /* PERL_IMPLICIT_CONTEXT */ |
| 461 | |
| 462 | #endif /* #ifndef PERL_NO_SHORT_NAMES */ |
| 463 | |
| 464 | END |
| 465 | |
| 466 | print EM <<'END'; |
| 467 | |
| 468 | /* Compatibility stubs. Compile extensions with -DPERL_NOCOMPAT to |
| 469 | disable them. |
| 470 | */ |
| 471 | |
| 472 | #if !defined(PERL_CORE) |
| 473 | # define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,PTR2IV(ptr)) |
| 474 | # define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,PTR2IV(ptr)) |
| 475 | #endif |
| 476 | |
| 477 | #if !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) |
| 478 | |
| 479 | /* Compatibility for various misnamed functions. All functions |
| 480 | in the API that begin with "perl_" (not "Perl_") take an explicit |
| 481 | interpreter context pointer. |
| 482 | The following are not like that, but since they had a "perl_" |
| 483 | prefix in previous versions, we provide compatibility macros. |
| 484 | */ |
| 485 | # define perl_atexit(a,b) call_atexit(a,b) |
| 486 | # define perl_call_argv(a,b,c) call_argv(a,b,c) |
| 487 | # define perl_call_pv(a,b) call_pv(a,b) |
| 488 | # define perl_call_method(a,b) call_method(a,b) |
| 489 | # define perl_call_sv(a,b) call_sv(a,b) |
| 490 | # define perl_eval_sv(a,b) eval_sv(a,b) |
| 491 | # define perl_eval_pv(a,b) eval_pv(a,b) |
| 492 | # define perl_require_pv(a) require_pv(a) |
| 493 | # define perl_get_sv(a,b) get_sv(a,b) |
| 494 | # define perl_get_av(a,b) get_av(a,b) |
| 495 | # define perl_get_hv(a,b) get_hv(a,b) |
| 496 | # define perl_get_cv(a,b) get_cv(a,b) |
| 497 | # define perl_init_i18nl10n(a) init_i18nl10n(a) |
| 498 | # define perl_init_i18nl14n(a) init_i18nl14n(a) |
| 499 | # define perl_new_ctype(a) new_ctype(a) |
| 500 | # define perl_new_collate(a) new_collate(a) |
| 501 | # define perl_new_numeric(a) new_numeric(a) |
| 502 | |
| 503 | /* varargs functions can't be handled with CPP macros. :-( |
| 504 | This provides a set of compatibility functions that don't take |
| 505 | an extra argument but grab the context pointer using the macro |
| 506 | dTHX. |
| 507 | */ |
| 508 | #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_NO_SHORT_NAMES) |
| 509 | # define croak Perl_croak_nocontext |
| 510 | # define deb Perl_deb_nocontext |
| 511 | # define die Perl_die_nocontext |
| 512 | # define form Perl_form_nocontext |
| 513 | # define load_module Perl_load_module_nocontext |
| 514 | # define mess Perl_mess_nocontext |
| 515 | # define newSVpvf Perl_newSVpvf_nocontext |
| 516 | # define sv_catpvf Perl_sv_catpvf_nocontext |
| 517 | # define sv_setpvf Perl_sv_setpvf_nocontext |
| 518 | # define warn Perl_warn_nocontext |
| 519 | # define warner Perl_warner_nocontext |
| 520 | # define sv_catpvf_mg Perl_sv_catpvf_mg_nocontext |
| 521 | # define sv_setpvf_mg Perl_sv_setpvf_mg_nocontext |
| 522 | #endif |
| 523 | |
| 524 | #endif /* !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) */ |
| 525 | |
| 526 | #if !defined(PERL_IMPLICIT_CONTEXT) |
| 527 | /* undefined symbols, point them back at the usual ones */ |
| 528 | # define Perl_croak_nocontext Perl_croak |
| 529 | # define Perl_die_nocontext Perl_die |
| 530 | # define Perl_deb_nocontext Perl_deb |
| 531 | # define Perl_form_nocontext Perl_form |
| 532 | # define Perl_load_module_nocontext Perl_load_module |
| 533 | # define Perl_mess_nocontext Perl_mess |
| 534 | # define Perl_newSVpvf_nocontext Perl_newSVpvf |
| 535 | # define Perl_sv_catpvf_nocontext Perl_sv_catpvf |
| 536 | # define Perl_sv_setpvf_nocontext Perl_sv_setpvf |
| 537 | # define Perl_warn_nocontext Perl_warn |
| 538 | # define Perl_warner_nocontext Perl_warner |
| 539 | # define Perl_sv_catpvf_mg_nocontext Perl_sv_catpvf_mg |
| 540 | # define Perl_sv_setpvf_mg_nocontext Perl_sv_setpvf_mg |
| 541 | #endif |
| 542 | |
| 543 | END |
| 544 | |
| 545 | close(EM) or die "Error closing EM: $!"; |
| 546 | |
| 547 | safer_unlink 'embedvar.h'; |
| 548 | open(EM, '> embedvar.h') |
| 549 | or die "Can't create embedvar.h: $!\n"; |
| 550 | |
| 551 | print EM do_not_edit ("embedvar.h"), <<'END'; |
| 552 | |
| 553 | /* (Doing namespace management portably in C is really gross.) */ |
| 554 | |
| 555 | /* |
| 556 | The following combinations of MULTIPLICITY and PERL_IMPLICIT_CONTEXT |
| 557 | are supported: |
| 558 | 1) none |
| 559 | 2) MULTIPLICITY # supported for compatibility |
| 560 | 3) MULTIPLICITY && PERL_IMPLICIT_CONTEXT |
| 561 | |
| 562 | All other combinations of these flags are errors. |
| 563 | |
| 564 | only #3 is supported directly, while #2 is a special |
| 565 | case of #3 (supported by redefining vTHX appropriately). |
| 566 | */ |
| 567 | |
| 568 | #if defined(MULTIPLICITY) |
| 569 | /* cases 2 and 3 above */ |
| 570 | |
| 571 | # if defined(PERL_IMPLICIT_CONTEXT) |
| 572 | # define vTHX aTHX |
| 573 | # else |
| 574 | # define vTHX PERL_GET_INTERP |
| 575 | # endif |
| 576 | |
| 577 | END |
| 578 | |
| 579 | for $sym (sort keys %thread) { |
| 580 | print EM multon($sym,'T','vTHX->'); |
| 581 | } |
| 582 | |
| 583 | print EM <<'END'; |
| 584 | |
| 585 | /* cases 2 and 3 above */ |
| 586 | |
| 587 | END |
| 588 | |
| 589 | for $sym (sort keys %intrp) { |
| 590 | print EM multon($sym,'I','vTHX->'); |
| 591 | } |
| 592 | |
| 593 | print EM <<'END'; |
| 594 | |
| 595 | #else /* !MULTIPLICITY */ |
| 596 | |
| 597 | /* case 1 above */ |
| 598 | |
| 599 | END |
| 600 | |
| 601 | for $sym (sort keys %intrp) { |
| 602 | print EM multoff($sym,'I'); |
| 603 | } |
| 604 | |
| 605 | print EM <<'END'; |
| 606 | |
| 607 | END |
| 608 | |
| 609 | for $sym (sort keys %thread) { |
| 610 | print EM multoff($sym,'T'); |
| 611 | } |
| 612 | |
| 613 | print EM <<'END'; |
| 614 | |
| 615 | #endif /* MULTIPLICITY */ |
| 616 | |
| 617 | #if defined(PERL_GLOBAL_STRUCT) |
| 618 | |
| 619 | END |
| 620 | |
| 621 | for $sym (sort keys %globvar) { |
| 622 | print EM multon($sym,'G','PL_Vars.'); |
| 623 | } |
| 624 | |
| 625 | print EM <<'END'; |
| 626 | |
| 627 | #else /* !PERL_GLOBAL_STRUCT */ |
| 628 | |
| 629 | END |
| 630 | |
| 631 | for $sym (sort keys %globvar) { |
| 632 | print EM multoff($sym,'G'); |
| 633 | } |
| 634 | |
| 635 | print EM <<'END'; |
| 636 | |
| 637 | #endif /* PERL_GLOBAL_STRUCT */ |
| 638 | |
| 639 | #ifdef PERL_POLLUTE /* disabled by default in 5.6.0 */ |
| 640 | |
| 641 | END |
| 642 | |
| 643 | for $sym (sort @extvars) { |
| 644 | print EM hide($sym,"PL_$sym"); |
| 645 | } |
| 646 | |
| 647 | print EM <<'END'; |
| 648 | |
| 649 | #endif /* PERL_POLLUTE */ |
| 650 | END |
| 651 | |
| 652 | close(EM) or die "Error closing EM: $!"; |
| 653 | |
| 654 | safer_unlink 'perlapi.h'; |
| 655 | safer_unlink 'perlapi.c'; |
| 656 | open(CAPI, '> perlapi.c') or die "Can't create perlapi.c: $!\n"; |
| 657 | open(CAPIH, '> perlapi.h') or die "Can't create perlapi.h: $!\n"; |
| 658 | |
| 659 | print CAPIH do_not_edit ("perlapi.h"), <<'EOT'; |
| 660 | |
| 661 | /* declare accessor functions for Perl variables */ |
| 662 | #ifndef __perlapi_h__ |
| 663 | #define __perlapi_h__ |
| 664 | |
| 665 | #if defined (MULTIPLICITY) |
| 666 | |
| 667 | START_EXTERN_C |
| 668 | |
| 669 | #undef PERLVAR |
| 670 | #undef PERLVARA |
| 671 | #undef PERLVARI |
| 672 | #undef PERLVARIC |
| 673 | #define PERLVAR(v,t) EXTERN_C t* Perl_##v##_ptr(pTHX); |
| 674 | #define PERLVARA(v,n,t) typedef t PL_##v##_t[n]; \ |
| 675 | EXTERN_C PL_##v##_t* Perl_##v##_ptr(pTHX); |
| 676 | #define PERLVARI(v,t,i) PERLVAR(v,t) |
| 677 | #define PERLVARIC(v,t,i) PERLVAR(v, const t) |
| 678 | |
| 679 | #include "thrdvar.h" |
| 680 | #include "intrpvar.h" |
| 681 | #include "perlvars.h" |
| 682 | |
| 683 | #undef PERLVAR |
| 684 | #undef PERLVARA |
| 685 | #undef PERLVARI |
| 686 | #undef PERLVARIC |
| 687 | |
| 688 | END_EXTERN_C |
| 689 | |
| 690 | #if defined(PERL_CORE) |
| 691 | |
| 692 | /* accessor functions for Perl variables (provide binary compatibility) */ |
| 693 | |
| 694 | /* these need to be mentioned here, or most linkers won't put them in |
| 695 | the perl executable */ |
| 696 | |
| 697 | #ifndef PERL_NO_FORCE_LINK |
| 698 | |
| 699 | START_EXTERN_C |
| 700 | |
| 701 | #ifndef DOINIT |
| 702 | EXT void *PL_force_link_funcs[]; |
| 703 | #else |
| 704 | EXT void *PL_force_link_funcs[] = { |
| 705 | #undef PERLVAR |
| 706 | #undef PERLVARA |
| 707 | #undef PERLVARI |
| 708 | #undef PERLVARIC |
| 709 | #define PERLVAR(v,t) (void*)Perl_##v##_ptr, |
| 710 | #define PERLVARA(v,n,t) PERLVAR(v,t) |
| 711 | #define PERLVARI(v,t,i) PERLVAR(v,t) |
| 712 | #define PERLVARIC(v,t,i) PERLVAR(v,t) |
| 713 | |
| 714 | #include "thrdvar.h" |
| 715 | #include "intrpvar.h" |
| 716 | #include "perlvars.h" |
| 717 | |
| 718 | #undef PERLVAR |
| 719 | #undef PERLVARA |
| 720 | #undef PERLVARI |
| 721 | #undef PERLVARIC |
| 722 | }; |
| 723 | #endif /* DOINIT */ |
| 724 | |
| 725 | END_EXTERN_C |
| 726 | |
| 727 | #endif /* PERL_NO_FORCE_LINK */ |
| 728 | |
| 729 | #else /* !PERL_CORE */ |
| 730 | |
| 731 | EOT |
| 732 | |
| 733 | foreach $sym (sort keys %intrp) { |
| 734 | print CAPIH bincompat_var('I',$sym); |
| 735 | } |
| 736 | |
| 737 | foreach $sym (sort keys %thread) { |
| 738 | print CAPIH bincompat_var('T',$sym); |
| 739 | } |
| 740 | |
| 741 | foreach $sym (sort keys %globvar) { |
| 742 | print CAPIH bincompat_var('G',$sym); |
| 743 | } |
| 744 | |
| 745 | print CAPIH <<'EOT'; |
| 746 | |
| 747 | #endif /* !PERL_CORE */ |
| 748 | #endif /* MULTIPLICITY */ |
| 749 | |
| 750 | #endif /* __perlapi_h__ */ |
| 751 | |
| 752 | EOT |
| 753 | close CAPIH or die "Error closing CAPIH: $!"; |
| 754 | |
| 755 | print CAPI do_not_edit ("perlapi.c"), <<'EOT'; |
| 756 | |
| 757 | #include "EXTERN.h" |
| 758 | #include "perl.h" |
| 759 | #include "perlapi.h" |
| 760 | |
| 761 | #if defined (MULTIPLICITY) |
| 762 | |
| 763 | /* accessor functions for Perl variables (provides binary compatibility) */ |
| 764 | START_EXTERN_C |
| 765 | |
| 766 | #undef PERLVAR |
| 767 | #undef PERLVARA |
| 768 | #undef PERLVARI |
| 769 | #undef PERLVARIC |
| 770 | |
| 771 | #define PERLVAR(v,t) t* Perl_##v##_ptr(pTHX) \ |
| 772 | { return &(aTHX->v); } |
| 773 | #define PERLVARA(v,n,t) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
| 774 | { return &(aTHX->v); } |
| 775 | |
| 776 | #define PERLVARI(v,t,i) PERLVAR(v,t) |
| 777 | #define PERLVARIC(v,t,i) PERLVAR(v, const t) |
| 778 | |
| 779 | #include "thrdvar.h" |
| 780 | #include "intrpvar.h" |
| 781 | |
| 782 | #undef PERLVAR |
| 783 | #undef PERLVARA |
| 784 | #define PERLVAR(v,t) t* Perl_##v##_ptr(pTHX) \ |
| 785 | { return &(PL_##v); } |
| 786 | #define PERLVARA(v,n,t) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
| 787 | { return &(PL_##v); } |
| 788 | #undef PERLVARIC |
| 789 | #define PERLVARIC(v,t,i) const t* Perl_##v##_ptr(pTHX) \ |
| 790 | { return (const t *)&(PL_##v); } |
| 791 | #include "perlvars.h" |
| 792 | |
| 793 | #undef PERLVAR |
| 794 | #undef PERLVARA |
| 795 | #undef PERLVARI |
| 796 | #undef PERLVARIC |
| 797 | |
| 798 | END_EXTERN_C |
| 799 | |
| 800 | #endif /* MULTIPLICITY */ |
| 801 | EOT |
| 802 | |
| 803 | close(CAPI) or die "Error closing CAPI: $!"; |
| 804 | |
| 805 | # functions that take va_list* for implementing vararg functions |
| 806 | # NOTE: makedef.pl must be updated if you add symbols to %vfuncs |
| 807 | # XXX %vfuncs currently unused |
| 808 | my %vfuncs = qw( |
| 809 | Perl_croak Perl_vcroak |
| 810 | Perl_warn Perl_vwarn |
| 811 | Perl_warner Perl_vwarner |
| 812 | Perl_die Perl_vdie |
| 813 | Perl_form Perl_vform |
| 814 | Perl_load_module Perl_vload_module |
| 815 | Perl_mess Perl_vmess |
| 816 | Perl_deb Perl_vdeb |
| 817 | Perl_newSVpvf Perl_vnewSVpvf |
| 818 | Perl_sv_setpvf Perl_sv_vsetpvf |
| 819 | Perl_sv_setpvf_mg Perl_sv_vsetpvf_mg |
| 820 | Perl_sv_catpvf Perl_sv_vcatpvf |
| 821 | Perl_sv_catpvf_mg Perl_sv_vcatpvf_mg |
| 822 | Perl_dump_indent Perl_dump_vindent |
| 823 | Perl_default_protect Perl_vdefault_protect |
| 824 | ); |