Commit | Line | Data |
---|---|---|
5f05dabc | 1 | #!/usr/bin/perl -w |
e50aee73 | 2 | |
954c1994 GS |
3 | require 5.003; # keep this compatible, an old perl is all we may have before |
4 | # we build the new one | |
5f05dabc | 5 | |
88e01c9d AL |
6 | use strict; |
7 | ||
36bb303b NC |
8 | BEGIN { |
9 | # Get function prototypes | |
9ad884cb | 10 | require 'regen_lib.pl'; |
36bb303b NC |
11 | } |
12 | ||
88e01c9d AL |
13 | my $SPLINT = 0; # Turn true for experimental splint support http://www.splint.org |
14 | ||
cea2e8a9 | 15 | # |
346f75ff | 16 | # See database of global and static function prototypes in embed.fnc |
cea2e8a9 GS |
17 | # This is used to generate prototype headers under various configurations, |
18 | # export symbols lists for different platforms, and macros to provide an | |
19 | # implicit interpreter context argument. | |
20 | # | |
21 | ||
7f1be197 MB |
22 | sub do_not_edit ($) |
23 | { | |
24 | my $file = shift; | |
4373e329 | 25 | |
7272f7c1 | 26 | my $years = '1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007'; |
4bb101f2 JH |
27 | |
28 | $years =~ s/1999,/1999,\n / if length $years > 40; | |
29 | ||
7f1be197 | 30 | my $warning = <<EOW; |
37442d52 | 31 | -*- buffer-read-only: t -*- |
7f1be197 MB |
32 | |
33 | $file | |
34 | ||
4bb101f2 | 35 | Copyright (C) $years, by Larry Wall and others |
7f1be197 MB |
36 | |
37 | You may distribute under the terms of either the GNU General Public | |
38 | License or the Artistic License, as specified in the README file. | |
39 | ||
40 | !!!!!!! DO NOT EDIT THIS FILE !!!!!!! | |
41 | This file is built by embed.pl from data in embed.fnc, embed.pl, | |
907b3e23 | 42 | pp.sym, intrpvar.h, and perlvars.h. |
7f1be197 MB |
43 | Any changes made here will be lost! |
44 | ||
45 | Edit those files and run 'make regen_headers' to effect changes. | |
46 | ||
47 | EOW | |
48 | ||
cfa0b873 AT |
49 | $warning .= <<EOW if $file eq 'perlapi.c'; |
50 | ||
51 | Up to the threshold of the door there mounted a flight of twenty-seven | |
52 | broad stairs, hewn by some unknown art of the same black stone. This | |
53 | was the only entrance to the tower. | |
54 | ||
55 | ||
56 | EOW | |
57 | ||
7f1be197 | 58 | if ($file =~ m:\.[ch]$:) { |
0ea9712b MB |
59 | $warning =~ s:^: * :gm; |
60 | $warning =~ s: +$::gm; | |
61 | $warning =~ s: :/:; | |
62 | $warning =~ s:$:/:; | |
7f1be197 MB |
63 | } |
64 | else { | |
0ea9712b MB |
65 | $warning =~ s:^:# :gm; |
66 | $warning =~ s: +$::gm; | |
7f1be197 MB |
67 | } |
68 | $warning; | |
69 | } # do_not_edit | |
70 | ||
94bdecf9 | 71 | open IN, "embed.fnc" or die $!; |
cea2e8a9 GS |
72 | |
73 | # walk table providing an array of components in each line to | |
74 | # subroutine, printing the result | |
75 | sub walk_table (&@) { | |
76 | my $function = shift; | |
77 | my $filename = shift || '-'; | |
0ea9712b MB |
78 | my $leader = shift; |
79 | defined $leader or $leader = do_not_edit ($filename); | |
cea2e8a9 GS |
80 | my $trailer = shift; |
81 | my $F; | |
82 | local *F; | |
83 | if (ref $filename) { # filehandle | |
84 | $F = $filename; | |
85 | } | |
86 | else { | |
37442d52 | 87 | safer_unlink $filename if $filename ne '/dev/null'; |
cea2e8a9 | 88 | open F, ">$filename" or die "Can't open $filename: $!"; |
dfb1454f | 89 | binmode F; |
cea2e8a9 GS |
90 | $F = \*F; |
91 | } | |
92 | print $F $leader if $leader; | |
94bdecf9 JH |
93 | seek IN, 0, 0; # so we may restart |
94 | while (<IN>) { | |
cea2e8a9 | 95 | chomp; |
1d7c1841 | 96 | next if /^:/; |
cea2e8a9 | 97 | while (s|\\$||) { |
94bdecf9 | 98 | $_ .= <IN>; |
cea2e8a9 GS |
99 | chomp; |
100 | } | |
23f1b5c3 | 101 | s/\s+$//; |
cea2e8a9 GS |
102 | my @args; |
103 | if (/^\s*(#|$)/) { | |
104 | @args = $_; | |
105 | } | |
106 | else { | |
107 | @args = split /\s*\|\s*/, $_; | |
108 | } | |
4373e329 AL |
109 | my @outs = &{$function}(@args); |
110 | print $F @outs; # $function->(@args) is not 5.003 | |
cea2e8a9 GS |
111 | } |
112 | print $F $trailer if $trailer; | |
36bb303b NC |
113 | unless (ref $filename) { |
114 | close $F or die "Error closing $filename: $!"; | |
115 | } | |
cea2e8a9 GS |
116 | } |
117 | ||
118 | sub munge_c_files () { | |
119 | my $functions = {}; | |
120 | unless (@ARGV) { | |
4373e329 | 121 | warn "\@ARGV empty, nothing to do\n"; |
cea2e8a9 GS |
122 | return; |
123 | } | |
124 | walk_table { | |
125 | if (@_ > 1) { | |
126 | $functions->{$_[2]} = \@_ if $_[@_-1] =~ /\.\.\./; | |
127 | } | |
37442d52 | 128 | } '/dev/null', '', ''; |
cea2e8a9 GS |
129 | local $^I = '.bak'; |
130 | while (<>) { | |
cea2e8a9 GS |
131 | s{(\b(\w+)[ \t]*\([ \t]*(?!aTHX))} |
132 | { | |
133 | my $repl = $1; | |
134 | my $f = $2; | |
135 | if (exists $functions->{$f}) { | |
136 | $repl .= "aTHX_ "; | |
137 | warn("$ARGV:$.:$`#$repl#$'"); | |
138 | } | |
139 | $repl; | |
140 | }eg; | |
141 | print; | |
142 | close ARGV if eof; # restart $. | |
143 | } | |
144 | exit; | |
145 | } | |
146 | ||
147 | #munge_c_files(); | |
148 | ||
149 | # generate proto.h | |
0cb96387 GS |
150 | my $wrote_protected = 0; |
151 | ||
cea2e8a9 GS |
152 | sub write_protos { |
153 | my $ret = ""; | |
154 | if (@_ == 1) { | |
155 | my $arg = shift; | |
1d7c1841 | 156 | $ret .= "$arg\n"; |
cea2e8a9 GS |
157 | } |
158 | else { | |
159 | my ($flags,$retval,$func,@args) = @_; | |
4373e329 AL |
160 | my @nonnull; |
161 | my $has_context = ( $flags !~ /n/ ); | |
88e01c9d AL |
162 | my $never_returns = ( $flags =~ /r/ ); |
163 | my $commented_out = ( $flags =~ /m/ ); | |
164 | my $is_malloc = ( $flags =~ /a/ ); | |
165 | my $can_ignore = ( $flags !~ /R/ ) && !$is_malloc; | |
166 | ||
167 | my $splint_flags = ""; | |
168 | if ( $SPLINT && !$commented_out ) { | |
169 | $splint_flags .= '/*@noreturn@*/ ' if $never_returns; | |
170 | if ($can_ignore && ($retval ne 'void') && ($retval !~ /\*/)) { | |
171 | $retval .= " /*\@alt void\@*/"; | |
172 | } | |
173 | } | |
174 | ||
cea2e8a9 | 175 | if ($flags =~ /s/) { |
88e01c9d | 176 | $retval = "STATIC $splint_flags$retval"; |
cea2e8a9 GS |
177 | $func = "S_$func"; |
178 | } | |
0cb96387 | 179 | else { |
88e01c9d | 180 | $retval = "PERL_CALLCONV $splint_flags$retval"; |
0cb96387 GS |
181 | if ($flags =~ /p/) { |
182 | $func = "Perl_$func"; | |
183 | } | |
cea2e8a9 GS |
184 | } |
185 | $ret .= "$retval\t$func("; | |
4373e329 AL |
186 | if ( $has_context ) { |
187 | $ret .= @args ? "pTHX_ " : "pTHX"; | |
cea2e8a9 GS |
188 | } |
189 | if (@args) { | |
4373e329 AL |
190 | my $n; |
191 | for my $arg ( @args ) { | |
192 | ++$n; | |
7827dc65 AL |
193 | if ( $arg =~ /\*/ && $arg !~ /\b(NN|NULLOK)\b/ ) { |
194 | warn "$func: $arg needs NN or NULLOK\n"; | |
195 | our $unflagged_pointers; | |
196 | ++$unflagged_pointers; | |
197 | } | |
88e01c9d AL |
198 | my $nn = ( $arg =~ s/\s*\bNN\b\s+// ); |
199 | push( @nonnull, $n ) if $nn; | |
200 | ||
201 | my $nullok = ( $arg =~ s/\s*\bNULLOK\b\s+// ); # strip NULLOK with no effect | |
c48640ec AL |
202 | |
203 | # Make sure each arg has at least a type and a var name. | |
204 | # An arg of "int" is valid C, but want it to be "int foo". | |
205 | my $temp_arg = $arg; | |
206 | $temp_arg =~ s/\*//g; | |
207 | $temp_arg =~ s/\s*\bstruct\b\s*/ /g; | |
208 | if ( ($temp_arg ne "...") && ($temp_arg !~ /\w+\s+\w+/) ) { | |
209 | warn "$func: $arg doesn't have a name\n"; | |
210 | } | |
88e01c9d AL |
211 | if ( $SPLINT && $nullok && !$commented_out ) { |
212 | $arg = '/*@null@*/ ' . $arg; | |
213 | } | |
4373e329 | 214 | } |
cea2e8a9 GS |
215 | $ret .= join ", ", @args; |
216 | } | |
217 | else { | |
4373e329 | 218 | $ret .= "void" if !$has_context; |
cea2e8a9 GS |
219 | } |
220 | $ret .= ")"; | |
f54cb97a AL |
221 | my @attrs; |
222 | if ( $flags =~ /r/ ) { | |
abb2c242 | 223 | push @attrs, "__attribute__noreturn__"; |
f54cb97a | 224 | } |
88e01c9d | 225 | if ( $is_malloc ) { |
abb2c242 | 226 | push @attrs, "__attribute__malloc__"; |
f54cb97a | 227 | } |
88e01c9d | 228 | if ( !$can_ignore ) { |
abb2c242 | 229 | push @attrs, "__attribute__warn_unused_result__"; |
f54cb97a AL |
230 | } |
231 | if ( $flags =~ /P/ ) { | |
abb2c242 | 232 | push @attrs, "__attribute__pure__"; |
f54cb97a | 233 | } |
1c846c1f | 234 | if( $flags =~ /f/ ) { |
cdfeb707 RB |
235 | my $prefix = $has_context ? 'pTHX_' : ''; |
236 | my $args = scalar @args; | |
237 | my $pat = $args - 1; | |
238 | my $macro = @nonnull && $nonnull[-1] == $pat | |
239 | ? '__attribute__format__' | |
240 | : '__attribute__format__null_ok__'; | |
241 | push @attrs, sprintf "%s(__printf__,%s%d,%s%d)", $macro, | |
242 | $prefix, $pat, $prefix, $args; | |
894356b3 | 243 | } |
4373e329 | 244 | if ( @nonnull ) { |
3d42dc86 | 245 | my @pos = map { $has_context ? "pTHX_$_" : $_ } @nonnull; |
abb2c242 | 246 | push @attrs, map { sprintf( "__attribute__nonnull__(%s)", $_ ) } @pos; |
f54cb97a AL |
247 | } |
248 | if ( @attrs ) { | |
249 | $ret .= "\n"; | |
250 | $ret .= join( "\n", map { "\t\t\t$_" } @attrs ); | |
4373e329 | 251 | } |
af3c7592 | 252 | $ret .= ";"; |
88e01c9d | 253 | $ret = "/* $ret */" if $commented_out; |
f54cb97a | 254 | $ret .= @attrs ? "\n\n" : "\n"; |
cea2e8a9 GS |
255 | } |
256 | $ret; | |
257 | } | |
258 | ||
2b10efc6 NC |
259 | # generates global.sym (API export list) |
260 | { | |
261 | my %seen; | |
262 | sub write_global_sym { | |
263 | my $ret = ""; | |
264 | if (@_ > 1) { | |
265 | my ($flags,$retval,$func,@args) = @_; | |
266 | # If a function is defined twice, for example before and after an | |
267 | # #else, only process the flags on the first instance for global.sym | |
268 | return $ret if $seen{$func}++; | |
269 | if ($flags =~ /[AX]/ && $flags !~ /[xm]/ | |
270 | || $flags =~ /b/) { # public API, so export | |
271 | $func = "Perl_$func" if $flags =~ /[pbX]/; | |
272 | $ret = "$func\n"; | |
273 | } | |
274 | } | |
275 | $ret; | |
276 | } | |
cea2e8a9 GS |
277 | } |
278 | ||
2b10efc6 | 279 | |
7827dc65 | 280 | our $unflagged_pointers; |
37442d52 | 281 | walk_table(\&write_protos, "proto.h", undef, "/* ex: set ro: */\n"); |
7827dc65 | 282 | warn "$unflagged_pointers pointer arguments to clean up\n" if $unflagged_pointers; |
37442d52 | 283 | walk_table(\&write_global_sym, "global.sym", undef, "# ex: set ro:\n"); |
cea2e8a9 | 284 | |
709f4e38 GS |
285 | # XXX others that may need adding |
286 | # warnhook | |
287 | # hints | |
288 | # copline | |
84fee439 | 289 | my @extvars = qw(sv_undef sv_yes sv_no na dowarn |
4373e329 AL |
290 | curcop compiling |
291 | tainting tainted stack_base stack_sp sv_arenaroot | |
256a4781 | 292 | no_modify |
4373e329 AL |
293 | curstash DBsub DBsingle DBassertion debstash |
294 | rsfp | |
295 | stdingv | |
6b88bc9c GS |
296 | defgv |
297 | errgv | |
3070f6ec GS |
298 | rsfp_filters |
299 | perldb | |
709f4e38 GS |
300 | diehook |
301 | dirty | |
302 | perl_destruct_level | |
ac634a9a | 303 | ppaddr |
84fee439 NIS |
304 | ); |
305 | ||
5f05dabc | 306 | sub readsyms (\%$) { |
307 | my ($syms, $file) = @_; | |
5f05dabc | 308 | local (*FILE, $_); |
309 | open(FILE, "< $file") | |
310 | or die "embed.pl: Can't open $file: $!\n"; | |
311 | while (<FILE>) { | |
312 | s/[ \t]*#.*//; # Delete comments. | |
313 | if (/^\s*(\S+)\s*$/) { | |
22c35a8c GS |
314 | my $sym = $1; |
315 | warn "duplicate symbol $sym while processing $file\n" | |
316 | if exists $$syms{$sym}; | |
317 | $$syms{$sym} = 1; | |
5f05dabc | 318 | } |
319 | } | |
320 | close(FILE); | |
321 | } | |
322 | ||
cea2e8a9 GS |
323 | # Perl_pp_* and Perl_ck_* are in pp.sym |
324 | readsyms my %ppsym, 'pp.sym'; | |
5f05dabc | 325 | |
c6af7a1a GS |
326 | sub readvars(\%$$@) { |
327 | my ($syms, $file,$pre,$keep_pre) = @_; | |
d4cce5f1 NIS |
328 | local (*FILE, $_); |
329 | open(FILE, "< $file") | |
330 | or die "embed.pl: Can't open $file: $!\n"; | |
331 | while (<FILE>) { | |
332 | s/[ \t]*#.*//; # Delete comments. | |
27da23d5 | 333 | if (/PERLVARA?I?S?C?\($pre(\w+)/) { |
22c35a8c | 334 | my $sym = $1; |
c6af7a1a | 335 | $sym = $pre . $sym if $keep_pre; |
22c35a8c GS |
336 | warn "duplicate symbol $sym while processing $file\n" |
337 | if exists $$syms{$sym}; | |
51371543 | 338 | $$syms{$sym} = $pre || 1; |
d4cce5f1 NIS |
339 | } |
340 | } | |
341 | close(FILE); | |
342 | } | |
343 | ||
344 | my %intrp; | |
88e01c9d | 345 | my %globvar; |
d4cce5f1 NIS |
346 | |
347 | readvars %intrp, 'intrpvar.h','I'; | |
22239a37 | 348 | readvars %globvar, 'perlvars.h','G'; |
d4cce5f1 | 349 | |
4543f4c0 | 350 | my $sym; |
d4cce5f1 | 351 | |
c6af7a1a GS |
352 | sub undefine ($) { |
353 | my ($sym) = @_; | |
354 | "#undef $sym\n"; | |
355 | } | |
356 | ||
5f05dabc | 357 | sub hide ($$) { |
358 | my ($from, $to) = @_; | |
359 | my $t = int(length($from) / 8); | |
360 | "#define $from" . "\t" x ($t < 3 ? 3 - $t : 1) . "$to\n"; | |
361 | } | |
c6af7a1a | 362 | |
6f4183fe | 363 | sub bincompat_var ($$) { |
51371543 | 364 | my ($pfx, $sym) = @_; |
acfe0abc | 365 | my $arg = ($pfx eq 'G' ? 'NULL' : 'aTHX'); |
c5be433b | 366 | undefine("PL_$sym") . hide("PL_$sym", "(*Perl_${pfx}${sym}_ptr($arg))"); |
c6af7a1a GS |
367 | } |
368 | ||
d4cce5f1 NIS |
369 | sub multon ($$$) { |
370 | my ($sym,$pre,$ptr) = @_; | |
3280af22 | 371 | hide("PL_$sym", "($ptr$pre$sym)"); |
5f05dabc | 372 | } |
54aff467 | 373 | |
d4cce5f1 NIS |
374 | sub multoff ($$) { |
375 | my ($sym,$pre) = @_; | |
533c011a | 376 | return hide("PL_$pre$sym", "PL_$sym"); |
5f05dabc | 377 | } |
378 | ||
36bb303b | 379 | safer_unlink 'embed.h'; |
cea2e8a9 | 380 | open(EM, '> embed.h') or die "Can't create embed.h: $!\n"; |
dfb1454f | 381 | binmode EM; |
e50aee73 | 382 | |
7f1be197 | 383 | print EM do_not_edit ("embed.h"), <<'END'; |
e50aee73 AD |
384 | |
385 | /* (Doing namespace management portably in C is really gross.) */ | |
386 | ||
d51482e4 JH |
387 | /* By defining PERL_NO_SHORT_NAMES (not done by default) the short forms |
388 | * (like warn instead of Perl_warn) for the API are not defined. | |
389 | * Not defining the short forms is a good thing for cleaner embedding. */ | |
390 | ||
391 | #ifndef PERL_NO_SHORT_NAMES | |
820c3be9 | 392 | |
22c35a8c | 393 | /* Hide global symbols */ |
5f05dabc | 394 | |
cea2e8a9 | 395 | #if !defined(PERL_IMPLICIT_CONTEXT) |
e50aee73 | 396 | |
e50aee73 AD |
397 | END |
398 | ||
da4ddda1 NC |
399 | # Try to elimiate lots of repeated |
400 | # #ifdef PERL_CORE | |
401 | # foo | |
402 | # #endif | |
403 | # #ifdef PERL_CORE | |
404 | # bar | |
405 | # #endif | |
406 | # by tracking state and merging foo and bar into one block. | |
407 | my $ifdef_state = ''; | |
408 | ||
cea2e8a9 GS |
409 | walk_table { |
410 | my $ret = ""; | |
da4ddda1 | 411 | my $new_ifdef_state = ''; |
cea2e8a9 GS |
412 | if (@_ == 1) { |
413 | my $arg = shift; | |
12a98ad5 | 414 | $ret .= "$arg\n" if $arg =~ /^#\s*(if|ifn?def|else|endif)\b/; |
cea2e8a9 GS |
415 | } |
416 | else { | |
417 | my ($flags,$retval,$func,@args) = @_; | |
af3c7592 | 418 | unless ($flags =~ /[om]/) { |
cea2e8a9 GS |
419 | if ($flags =~ /s/) { |
420 | $ret .= hide($func,"S_$func"); | |
421 | } | |
422 | elsif ($flags =~ /p/) { | |
423 | $ret .= hide($func,"Perl_$func"); | |
424 | } | |
425 | } | |
47e67c64 | 426 | if ($ret ne '' && $flags !~ /A/) { |
de37762f | 427 | if ($flags =~ /E/) { |
da4ddda1 NC |
428 | $new_ifdef_state |
429 | = "#if defined(PERL_CORE) || defined(PERL_EXT)\n"; | |
430 | } | |
431 | else { | |
432 | $new_ifdef_state = "#ifdef PERL_CORE\n"; | |
433 | } | |
434 | ||
435 | if ($new_ifdef_state ne $ifdef_state) { | |
436 | $ret = $new_ifdef_state . $ret; | |
de37762f HS |
437 | } |
438 | } | |
cea2e8a9 | 439 | } |
da4ddda1 NC |
440 | if ($ifdef_state && $new_ifdef_state ne $ifdef_state) { |
441 | # Close the old one ahead of opening the new one. | |
442 | $ret = "#endif\n$ret"; | |
443 | } | |
444 | # Remember the new state. | |
445 | $ifdef_state = $new_ifdef_state; | |
cea2e8a9 | 446 | $ret; |
0ea9712b | 447 | } \*EM, ""; |
cea2e8a9 | 448 | |
da4ddda1 NC |
449 | if ($ifdef_state) { |
450 | print EM "#endif\n"; | |
451 | } | |
452 | ||
cea2e8a9 GS |
453 | for $sym (sort keys %ppsym) { |
454 | $sym =~ s/^Perl_//; | |
455 | print EM hide($sym, "Perl_$sym"); | |
456 | } | |
457 | ||
458 | print EM <<'END'; | |
459 | ||
460 | #else /* PERL_IMPLICIT_CONTEXT */ | |
461 | ||
462 | END | |
463 | ||
464 | my @az = ('a'..'z'); | |
465 | ||
da4ddda1 | 466 | $ifdef_state = ''; |
cea2e8a9 GS |
467 | walk_table { |
468 | my $ret = ""; | |
da4ddda1 | 469 | my $new_ifdef_state = ''; |
cea2e8a9 GS |
470 | if (@_ == 1) { |
471 | my $arg = shift; | |
12a98ad5 | 472 | $ret .= "$arg\n" if $arg =~ /^#\s*(if|ifn?def|else|endif)\b/; |
cea2e8a9 GS |
473 | } |
474 | else { | |
475 | my ($flags,$retval,$func,@args) = @_; | |
af3c7592 | 476 | unless ($flags =~ /[om]/) { |
cea2e8a9 GS |
477 | my $args = scalar @args; |
478 | if ($args and $args[$args-1] =~ /\.\.\./) { | |
479 | # we're out of luck for varargs functions under CPP | |
480 | } | |
481 | elsif ($flags =~ /n/) { | |
482 | if ($flags =~ /s/) { | |
483 | $ret .= hide($func,"S_$func"); | |
484 | } | |
485 | elsif ($flags =~ /p/) { | |
486 | $ret .= hide($func,"Perl_$func"); | |
487 | } | |
488 | } | |
489 | else { | |
490 | my $alist = join(",", @az[0..$args-1]); | |
491 | $ret = "#define $func($alist)"; | |
492 | my $t = int(length($ret) / 8); | |
493 | $ret .= "\t" x ($t < 4 ? 4 - $t : 1); | |
494 | if ($flags =~ /s/) { | |
495 | $ret .= "S_$func(aTHX"; | |
496 | } | |
497 | elsif ($flags =~ /p/) { | |
498 | $ret .= "Perl_$func(aTHX"; | |
499 | } | |
500 | $ret .= "_ " if $alist; | |
501 | $ret .= $alist . ")\n"; | |
502 | } | |
503 | } | |
da4ddda1 | 504 | unless ($flags =~ /A/) { |
de37762f | 505 | if ($flags =~ /E/) { |
da4ddda1 NC |
506 | $new_ifdef_state |
507 | = "#if defined(PERL_CORE) || defined(PERL_EXT)\n"; | |
508 | } | |
509 | else { | |
510 | $new_ifdef_state = "#ifdef PERL_CORE\n"; | |
511 | } | |
512 | ||
513 | if ($new_ifdef_state ne $ifdef_state) { | |
514 | $ret = $new_ifdef_state . $ret; | |
de37762f HS |
515 | } |
516 | } | |
cea2e8a9 | 517 | } |
da4ddda1 NC |
518 | if ($ifdef_state && $new_ifdef_state ne $ifdef_state) { |
519 | # Close the old one ahead of opening the new one. | |
520 | $ret = "#endif\n$ret"; | |
521 | } | |
522 | # Remember the new state. | |
523 | $ifdef_state = $new_ifdef_state; | |
cea2e8a9 | 524 | $ret; |
0ea9712b | 525 | } \*EM, ""; |
cea2e8a9 | 526 | |
da4ddda1 NC |
527 | if ($ifdef_state) { |
528 | print EM "#endif\n"; | |
529 | } | |
530 | ||
cea2e8a9 GS |
531 | for $sym (sort keys %ppsym) { |
532 | $sym =~ s/^Perl_//; | |
533 | if ($sym =~ /^ck_/) { | |
534 | print EM hide("$sym(a)", "Perl_$sym(aTHX_ a)"); | |
535 | } | |
536 | elsif ($sym =~ /^pp_/) { | |
537 | print EM hide("$sym()", "Perl_$sym(aTHX)"); | |
538 | } | |
539 | else { | |
540 | warn "Illegal symbol '$sym' in pp.sym"; | |
541 | } | |
e50aee73 AD |
542 | } |
543 | ||
e50aee73 AD |
544 | print EM <<'END'; |
545 | ||
cea2e8a9 | 546 | #endif /* PERL_IMPLICIT_CONTEXT */ |
22c35a8c | 547 | |
d51482e4 | 548 | #endif /* #ifndef PERL_NO_SHORT_NAMES */ |
35209cc8 | 549 | |
22c35a8c GS |
550 | END |
551 | ||
22c35a8c GS |
552 | print EM <<'END'; |
553 | ||
cea2e8a9 GS |
554 | /* Compatibility stubs. Compile extensions with -DPERL_NOCOMPAT to |
555 | disable them. | |
556 | */ | |
557 | ||
538feb02 | 558 | #if !defined(PERL_CORE) |
5bc28da9 | 559 | # define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,PTR2IV(ptr)) |
a0714e2c | 560 | # define sv_setptrref(rv,ptr) sv_setref_iv(rv,NULL,PTR2IV(ptr)) |
538feb02 | 561 | #endif |
cea2e8a9 | 562 | |
08e5223a | 563 | #if !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) |
cea2e8a9 GS |
564 | |
565 | /* Compatibility for various misnamed functions. All functions | |
566 | in the API that begin with "perl_" (not "Perl_") take an explicit | |
567 | interpreter context pointer. | |
568 | The following are not like that, but since they had a "perl_" | |
569 | prefix in previous versions, we provide compatibility macros. | |
570 | */ | |
65cec589 GS |
571 | # define perl_atexit(a,b) call_atexit(a,b) |
572 | # define perl_call_argv(a,b,c) call_argv(a,b,c) | |
573 | # define perl_call_pv(a,b) call_pv(a,b) | |
574 | # define perl_call_method(a,b) call_method(a,b) | |
575 | # define perl_call_sv(a,b) call_sv(a,b) | |
576 | # define perl_eval_sv(a,b) eval_sv(a,b) | |
577 | # define perl_eval_pv(a,b) eval_pv(a,b) | |
578 | # define perl_require_pv(a) require_pv(a) | |
579 | # define perl_get_sv(a,b) get_sv(a,b) | |
580 | # define perl_get_av(a,b) get_av(a,b) | |
581 | # define perl_get_hv(a,b) get_hv(a,b) | |
582 | # define perl_get_cv(a,b) get_cv(a,b) | |
583 | # define perl_init_i18nl10n(a) init_i18nl10n(a) | |
584 | # define perl_init_i18nl14n(a) init_i18nl14n(a) | |
585 | # define perl_new_ctype(a) new_ctype(a) | |
586 | # define perl_new_collate(a) new_collate(a) | |
587 | # define perl_new_numeric(a) new_numeric(a) | |
cea2e8a9 GS |
588 | |
589 | /* varargs functions can't be handled with CPP macros. :-( | |
590 | This provides a set of compatibility functions that don't take | |
591 | an extra argument but grab the context pointer using the macro | |
592 | dTHX. | |
593 | */ | |
d51482e4 | 594 | #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_NO_SHORT_NAMES) |
cea2e8a9 | 595 | # define croak Perl_croak_nocontext |
c5be433b | 596 | # define deb Perl_deb_nocontext |
cea2e8a9 GS |
597 | # define die Perl_die_nocontext |
598 | # define form Perl_form_nocontext | |
e4783991 | 599 | # define load_module Perl_load_module_nocontext |
5a844595 | 600 | # define mess Perl_mess_nocontext |
cea2e8a9 GS |
601 | # define newSVpvf Perl_newSVpvf_nocontext |
602 | # define sv_catpvf Perl_sv_catpvf_nocontext | |
603 | # define sv_setpvf Perl_sv_setpvf_nocontext | |
604 | # define warn Perl_warn_nocontext | |
c5be433b | 605 | # define warner Perl_warner_nocontext |
cea2e8a9 GS |
606 | # define sv_catpvf_mg Perl_sv_catpvf_mg_nocontext |
607 | # define sv_setpvf_mg Perl_sv_setpvf_mg_nocontext | |
608 | #endif | |
609 | ||
610 | #endif /* !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) */ | |
611 | ||
612 | #if !defined(PERL_IMPLICIT_CONTEXT) | |
613 | /* undefined symbols, point them back at the usual ones */ | |
614 | # define Perl_croak_nocontext Perl_croak | |
615 | # define Perl_die_nocontext Perl_die | |
c5be433b | 616 | # define Perl_deb_nocontext Perl_deb |
cea2e8a9 | 617 | # define Perl_form_nocontext Perl_form |
e4783991 | 618 | # define Perl_load_module_nocontext Perl_load_module |
5a844595 | 619 | # define Perl_mess_nocontext Perl_mess |
c5be433b GS |
620 | # define Perl_newSVpvf_nocontext Perl_newSVpvf |
621 | # define Perl_sv_catpvf_nocontext Perl_sv_catpvf | |
622 | # define Perl_sv_setpvf_nocontext Perl_sv_setpvf | |
cea2e8a9 | 623 | # define Perl_warn_nocontext Perl_warn |
c5be433b | 624 | # define Perl_warner_nocontext Perl_warner |
cea2e8a9 GS |
625 | # define Perl_sv_catpvf_mg_nocontext Perl_sv_catpvf_mg |
626 | # define Perl_sv_setpvf_mg_nocontext Perl_sv_setpvf_mg | |
627 | #endif | |
db5cf5a9 | 628 | |
37442d52 | 629 | /* ex: set ro: */ |
d4cce5f1 NIS |
630 | END |
631 | ||
36bb303b | 632 | close(EM) or die "Error closing EM: $!"; |
d4cce5f1 | 633 | |
36bb303b | 634 | safer_unlink 'embedvar.h'; |
d4cce5f1 NIS |
635 | open(EM, '> embedvar.h') |
636 | or die "Can't create embedvar.h: $!\n"; | |
dfb1454f | 637 | binmode EM; |
d4cce5f1 | 638 | |
7f1be197 | 639 | print EM do_not_edit ("embedvar.h"), <<'END'; |
d4cce5f1 NIS |
640 | |
641 | /* (Doing namespace management portably in C is really gross.) */ | |
642 | ||
54aff467 | 643 | /* |
3db8f154 MB |
644 | The following combinations of MULTIPLICITY and PERL_IMPLICIT_CONTEXT |
645 | are supported: | |
54aff467 GS |
646 | 1) none |
647 | 2) MULTIPLICITY # supported for compatibility | |
648 | 3) MULTIPLICITY && PERL_IMPLICIT_CONTEXT | |
54aff467 GS |
649 | |
650 | All other combinations of these flags are errors. | |
651 | ||
3db8f154 | 652 | only #3 is supported directly, while #2 is a special |
54aff467 GS |
653 | case of #3 (supported by redefining vTHX appropriately). |
654 | */ | |
cea2e8a9 | 655 | |
54aff467 | 656 | #if defined(MULTIPLICITY) |
3db8f154 | 657 | /* cases 2 and 3 above */ |
cea2e8a9 | 658 | |
54aff467 GS |
659 | # if defined(PERL_IMPLICIT_CONTEXT) |
660 | # define vTHX aTHX | |
661 | # else | |
662 | # define vTHX PERL_GET_INTERP | |
663 | # endif | |
cea2e8a9 | 664 | |
e50aee73 AD |
665 | END |
666 | ||
d4cce5f1 | 667 | for $sym (sort keys %intrp) { |
54aff467 | 668 | print EM multon($sym,'I','vTHX->'); |
d4cce5f1 NIS |
669 | } |
670 | ||
671 | print EM <<'END'; | |
672 | ||
54aff467 | 673 | #else /* !MULTIPLICITY */ |
1d7c1841 | 674 | |
3db8f154 | 675 | /* case 1 above */ |
5f05dabc | 676 | |
56d28764 | 677 | END |
e50aee73 | 678 | |
d4cce5f1 | 679 | for $sym (sort keys %intrp) { |
54aff467 | 680 | print EM multoff($sym,'I'); |
d4cce5f1 NIS |
681 | } |
682 | ||
683 | print EM <<'END'; | |
684 | ||
d4cce5f1 NIS |
685 | END |
686 | ||
d4cce5f1 NIS |
687 | print EM <<'END'; |
688 | ||
54aff467 | 689 | #endif /* MULTIPLICITY */ |
d4cce5f1 | 690 | |
54aff467 | 691 | #if defined(PERL_GLOBAL_STRUCT) |
22239a37 NIS |
692 | |
693 | END | |
694 | ||
695 | for $sym (sort keys %globvar) { | |
27da23d5 JH |
696 | print EM multon($sym, 'G','my_vars->'); |
697 | print EM multon("G$sym",'', 'my_vars->'); | |
22239a37 NIS |
698 | } |
699 | ||
700 | print EM <<'END'; | |
701 | ||
702 | #else /* !PERL_GLOBAL_STRUCT */ | |
703 | ||
704 | END | |
705 | ||
706 | for $sym (sort keys %globvar) { | |
707 | print EM multoff($sym,'G'); | |
708 | } | |
709 | ||
710 | print EM <<'END'; | |
711 | ||
22239a37 NIS |
712 | #endif /* PERL_GLOBAL_STRUCT */ |
713 | ||
85add8c2 | 714 | #ifdef PERL_POLLUTE /* disabled by default in 5.6.0 */ |
84fee439 NIS |
715 | |
716 | END | |
717 | ||
718 | for $sym (sort @extvars) { | |
719 | print EM hide($sym,"PL_$sym"); | |
720 | } | |
721 | ||
722 | print EM <<'END'; | |
723 | ||
db5cf5a9 | 724 | #endif /* PERL_POLLUTE */ |
37442d52 RGS |
725 | |
726 | /* ex: set ro: */ | |
84fee439 NIS |
727 | END |
728 | ||
36bb303b | 729 | close(EM) or die "Error closing EM: $!"; |
c6af7a1a | 730 | |
36bb303b NC |
731 | safer_unlink 'perlapi.h'; |
732 | safer_unlink 'perlapi.c'; | |
51371543 | 733 | open(CAPI, '> perlapi.c') or die "Can't create perlapi.c: $!\n"; |
dfb1454f | 734 | binmode CAPI; |
51371543 | 735 | open(CAPIH, '> perlapi.h') or die "Can't create perlapi.h: $!\n"; |
dfb1454f | 736 | binmode CAPIH; |
51371543 | 737 | |
7f1be197 | 738 | print CAPIH do_not_edit ("perlapi.h"), <<'EOT'; |
51371543 | 739 | |
51371543 | 740 | /* declare accessor functions for Perl variables */ |
6f4183fe GS |
741 | #ifndef __perlapi_h__ |
742 | #define __perlapi_h__ | |
51371543 | 743 | |
acfe0abc | 744 | #if defined (MULTIPLICITY) |
c5be433b | 745 | |
51371543 GS |
746 | START_EXTERN_C |
747 | ||
748 | #undef PERLVAR | |
749 | #undef PERLVARA | |
750 | #undef PERLVARI | |
751 | #undef PERLVARIC | |
27da23d5 | 752 | #undef PERLVARISC |
acfe0abc | 753 | #define PERLVAR(v,t) EXTERN_C t* Perl_##v##_ptr(pTHX); |
51371543 | 754 | #define PERLVARA(v,n,t) typedef t PL_##v##_t[n]; \ |
acfe0abc | 755 | EXTERN_C PL_##v##_t* Perl_##v##_ptr(pTHX); |
51371543 | 756 | #define PERLVARI(v,t,i) PERLVAR(v,t) |
c5be433b | 757 | #define PERLVARIC(v,t,i) PERLVAR(v, const t) |
27da23d5 JH |
758 | #define PERLVARISC(v,i) typedef const char PL_##v##_t[sizeof(i)]; \ |
759 | EXTERN_C PL_##v##_t* Perl_##v##_ptr(pTHX); | |
51371543 | 760 | |
51371543 GS |
761 | #include "intrpvar.h" |
762 | #include "perlvars.h" | |
763 | ||
764 | #undef PERLVAR | |
765 | #undef PERLVARA | |
766 | #undef PERLVARI | |
767 | #undef PERLVARIC | |
27da23d5 JH |
768 | #undef PERLVARISC |
769 | ||
770 | #ifndef PERL_GLOBAL_STRUCT | |
771 | EXTERN_C Perl_ppaddr_t** Perl_Gppaddr_ptr(pTHX); | |
772 | EXTERN_C Perl_check_t** Perl_Gcheck_ptr(pTHX); | |
773 | EXTERN_C unsigned char** Perl_Gfold_locale_ptr(pTHX); | |
774 | #define Perl_ppaddr_ptr Perl_Gppaddr_ptr | |
775 | #define Perl_check_ptr Perl_Gcheck_ptr | |
776 | #define Perl_fold_locale_ptr Perl_Gfold_locale_ptr | |
777 | #endif | |
51371543 GS |
778 | |
779 | END_EXTERN_C | |
780 | ||
682fc664 | 781 | #if defined(PERL_CORE) |
6f4183fe | 782 | |
682fc664 GS |
783 | /* accessor functions for Perl variables (provide binary compatibility) */ |
784 | ||
785 | /* these need to be mentioned here, or most linkers won't put them in | |
786 | the perl executable */ | |
787 | ||
788 | #ifndef PERL_NO_FORCE_LINK | |
789 | ||
790 | START_EXTERN_C | |
791 | ||
792 | #ifndef DOINIT | |
27da23d5 | 793 | EXTCONST void * const PL_force_link_funcs[]; |
682fc664 | 794 | #else |
27da23d5 | 795 | EXTCONST void * const PL_force_link_funcs[] = { |
682fc664 GS |
796 | #undef PERLVAR |
797 | #undef PERLVARA | |
798 | #undef PERLVARI | |
799 | #undef PERLVARIC | |
ea1f607c | 800 | #define PERLVAR(v,t) (void*)Perl_##v##_ptr, |
682fc664 GS |
801 | #define PERLVARA(v,n,t) PERLVAR(v,t) |
802 | #define PERLVARI(v,t,i) PERLVAR(v,t) | |
803 | #define PERLVARIC(v,t,i) PERLVAR(v,t) | |
27da23d5 | 804 | #define PERLVARISC(v,i) PERLVAR(v,char) |
682fc664 | 805 | |
3c0f78ca JH |
806 | /* In Tru64 (__DEC && __osf__) the cc option -std1 causes that one |
807 | * cannot cast between void pointers and function pointers without | |
808 | * info level warnings. The PL_force_link_funcs[] would cause a few | |
809 | * hundred of those warnings. In code one can circumnavigate this by using | |
810 | * unions that overlay the different pointers, but in declarations one | |
811 | * cannot use this trick. Therefore we just disable the warning here | |
812 | * for the duration of the PL_force_link_funcs[] declaration. */ | |
813 | ||
814 | #if defined(__DECC) && defined(__osf__) | |
815 | #pragma message save | |
816 | #pragma message disable (nonstandcast) | |
817 | #endif | |
818 | ||
682fc664 GS |
819 | #include "intrpvar.h" |
820 | #include "perlvars.h" | |
821 | ||
3c0f78ca JH |
822 | #if defined(__DECC) && defined(__osf__) |
823 | #pragma message restore | |
824 | #endif | |
825 | ||
682fc664 GS |
826 | #undef PERLVAR |
827 | #undef PERLVARA | |
828 | #undef PERLVARI | |
829 | #undef PERLVARIC | |
27da23d5 | 830 | #undef PERLVARISC |
682fc664 GS |
831 | }; |
832 | #endif /* DOINIT */ | |
833 | ||
acfe0abc | 834 | END_EXTERN_C |
682fc664 GS |
835 | |
836 | #endif /* PERL_NO_FORCE_LINK */ | |
837 | ||
838 | #else /* !PERL_CORE */ | |
51371543 GS |
839 | |
840 | EOT | |
841 | ||
4543f4c0 | 842 | foreach $sym (sort keys %intrp) { |
6f4183fe GS |
843 | print CAPIH bincompat_var('I',$sym); |
844 | } | |
845 | ||
4543f4c0 | 846 | foreach $sym (sort keys %globvar) { |
6f4183fe GS |
847 | print CAPIH bincompat_var('G',$sym); |
848 | } | |
849 | ||
850 | print CAPIH <<'EOT'; | |
851 | ||
852 | #endif /* !PERL_CORE */ | |
acfe0abc | 853 | #endif /* MULTIPLICITY */ |
6f4183fe GS |
854 | |
855 | #endif /* __perlapi_h__ */ | |
856 | ||
37442d52 | 857 | /* ex: set ro: */ |
6f4183fe | 858 | EOT |
36bb303b | 859 | close CAPIH or die "Error closing CAPIH: $!"; |
51371543 | 860 | |
7f1be197 | 861 | print CAPI do_not_edit ("perlapi.c"), <<'EOT'; |
51371543 GS |
862 | |
863 | #include "EXTERN.h" | |
864 | #include "perl.h" | |
865 | #include "perlapi.h" | |
866 | ||
acfe0abc | 867 | #if defined (MULTIPLICITY) |
51371543 GS |
868 | |
869 | /* accessor functions for Perl variables (provides binary compatibility) */ | |
870 | START_EXTERN_C | |
871 | ||
872 | #undef PERLVAR | |
873 | #undef PERLVARA | |
874 | #undef PERLVARI | |
875 | #undef PERLVARIC | |
27da23d5 | 876 | #undef PERLVARISC |
6f4183fe | 877 | |
6f4183fe | 878 | #define PERLVAR(v,t) t* Perl_##v##_ptr(pTHX) \ |
96a5add6 | 879 | { dVAR; PERL_UNUSED_CONTEXT; return &(aTHX->v); } |
6f4183fe | 880 | #define PERLVARA(v,n,t) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
96a5add6 | 881 | { dVAR; PERL_UNUSED_CONTEXT; return &(aTHX->v); } |
6f4183fe | 882 | |
51371543 | 883 | #define PERLVARI(v,t,i) PERLVAR(v,t) |
c5be433b | 884 | #define PERLVARIC(v,t,i) PERLVAR(v, const t) |
27da23d5 | 885 | #define PERLVARISC(v,i) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
96a5add6 | 886 | { dVAR; PERL_UNUSED_CONTEXT; return &(aTHX->v); } |
51371543 | 887 | |
51371543 | 888 | #include "intrpvar.h" |
c5be433b GS |
889 | |
890 | #undef PERLVAR | |
891 | #undef PERLVARA | |
acfe0abc | 892 | #define PERLVAR(v,t) t* Perl_##v##_ptr(pTHX) \ |
96a5add6 | 893 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
acfe0abc | 894 | #define PERLVARA(v,n,t) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
96a5add6 | 895 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
34f7a5fe | 896 | #undef PERLVARIC |
27da23d5 JH |
897 | #undef PERLVARISC |
898 | #define PERLVARIC(v,t,i) \ | |
899 | const t* Perl_##v##_ptr(pTHX) \ | |
96a5add6 | 900 | { PERL_UNUSED_CONTEXT; return (const t *)&(PL_##v); } |
27da23d5 | 901 | #define PERLVARISC(v,i) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
96a5add6 | 902 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
51371543 GS |
903 | #include "perlvars.h" |
904 | ||
905 | #undef PERLVAR | |
906 | #undef PERLVARA | |
907 | #undef PERLVARI | |
908 | #undef PERLVARIC | |
27da23d5 JH |
909 | #undef PERLVARISC |
910 | ||
911 | #ifndef PERL_GLOBAL_STRUCT | |
912 | /* A few evil special cases. Could probably macrofy this. */ | |
913 | #undef PL_ppaddr | |
914 | #undef PL_check | |
915 | #undef PL_fold_locale | |
916 | Perl_ppaddr_t** Perl_Gppaddr_ptr(pTHX) { | |
88e01c9d | 917 | static Perl_ppaddr_t* const ppaddr_ptr = PL_ppaddr; |
96a5add6 | 918 | PERL_UNUSED_CONTEXT; |
27da23d5 JH |
919 | return (Perl_ppaddr_t**)&ppaddr_ptr; |
920 | } | |
921 | Perl_check_t** Perl_Gcheck_ptr(pTHX) { | |
88e01c9d | 922 | static Perl_check_t* const check_ptr = PL_check; |
96a5add6 | 923 | PERL_UNUSED_CONTEXT; |
27da23d5 JH |
924 | return (Perl_check_t**)&check_ptr; |
925 | } | |
926 | unsigned char** Perl_Gfold_locale_ptr(pTHX) { | |
88e01c9d | 927 | static unsigned char* const fold_locale_ptr = PL_fold_locale; |
96a5add6 | 928 | PERL_UNUSED_CONTEXT; |
27da23d5 JH |
929 | return (unsigned char**)&fold_locale_ptr; |
930 | } | |
931 | #endif | |
51371543 | 932 | |
acfe0abc | 933 | END_EXTERN_C |
6f4183fe | 934 | |
acfe0abc | 935 | #endif /* MULTIPLICITY */ |
37442d52 RGS |
936 | |
937 | /* ex: set ro: */ | |
51371543 GS |
938 | EOT |
939 | ||
36bb303b | 940 | close(CAPI) or die "Error closing CAPI: $!"; |
acfe0abc | 941 | |
c5be433b | 942 | # functions that take va_list* for implementing vararg functions |
08cd8952 | 943 | # NOTE: makedef.pl must be updated if you add symbols to %vfuncs |
acfe0abc | 944 | # XXX %vfuncs currently unused |
c5be433b GS |
945 | my %vfuncs = qw( |
946 | Perl_croak Perl_vcroak | |
947 | Perl_warn Perl_vwarn | |
948 | Perl_warner Perl_vwarner | |
949 | Perl_die Perl_vdie | |
950 | Perl_form Perl_vform | |
e4783991 | 951 | Perl_load_module Perl_vload_module |
5a844595 | 952 | Perl_mess Perl_vmess |
c5be433b GS |
953 | Perl_deb Perl_vdeb |
954 | Perl_newSVpvf Perl_vnewSVpvf | |
955 | Perl_sv_setpvf Perl_sv_vsetpvf | |
956 | Perl_sv_setpvf_mg Perl_sv_vsetpvf_mg | |
957 | Perl_sv_catpvf Perl_sv_vcatpvf | |
958 | Perl_sv_catpvf_mg Perl_sv_vcatpvf_mg | |
959 | Perl_dump_indent Perl_dump_vindent | |
960 | Perl_default_protect Perl_vdefault_protect | |
961 | ); | |
1b6737cc AL |
962 | |
963 | # ex: set ts=8 sts=4 sw=4 noet: |