Commit | Line | Data |
---|---|---|
5f05dabc | 1 | #!/usr/bin/perl -w |
6294c161 DM |
2 | # |
3 | # Regenerate (overwriting only if changed): | |
4 | # | |
5 | # embed.h | |
6 | # embedvar.h | |
7 | # global.sym | |
8 | # perlapi.c | |
9 | # perlapi.h | |
10 | # proto.h | |
11 | # | |
12 | # from information stored in | |
13 | # | |
14 | # embed.fnc | |
15 | # intrpvar.h | |
16 | # perlvars.h | |
17 | # pp.sym (which has been generated by opcode.pl) | |
18 | # | |
6294c161 DM |
19 | # Accepts the standard regen_lib -q and -v args. |
20 | # | |
21 | # This script is normally invoked from regen.pl. | |
e50aee73 | 22 | |
916e4025 | 23 | require 5.004; # keep this compatible, an old perl is all we may have before |
954c1994 | 24 | # we build the new one |
5f05dabc | 25 | |
88e01c9d AL |
26 | use strict; |
27 | ||
36bb303b NC |
28 | BEGIN { |
29 | # Get function prototypes | |
9ad884cb | 30 | require 'regen_lib.pl'; |
36bb303b NC |
31 | } |
32 | ||
88e01c9d | 33 | my $SPLINT = 0; # Turn true for experimental splint support http://www.splint.org |
916e4025 | 34 | my $unflagged_pointers; |
88e01c9d | 35 | |
cea2e8a9 | 36 | # |
346f75ff | 37 | # See database of global and static function prototypes in embed.fnc |
cea2e8a9 GS |
38 | # This is used to generate prototype headers under various configurations, |
39 | # export symbols lists for different platforms, and macros to provide an | |
40 | # implicit interpreter context argument. | |
41 | # | |
42 | ||
7f1be197 MB |
43 | sub do_not_edit ($) |
44 | { | |
45 | my $file = shift; | |
4373e329 | 46 | |
83706693 | 47 | my $years = '1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009'; |
4bb101f2 JH |
48 | |
49 | $years =~ s/1999,/1999,\n / if length $years > 40; | |
50 | ||
7f1be197 | 51 | my $warning = <<EOW; |
37442d52 | 52 | -*- buffer-read-only: t -*- |
7f1be197 MB |
53 | |
54 | $file | |
55 | ||
4bb101f2 | 56 | Copyright (C) $years, by Larry Wall and others |
7f1be197 MB |
57 | |
58 | You may distribute under the terms of either the GNU General Public | |
59 | License or the Artistic License, as specified in the README file. | |
60 | ||
61 | !!!!!!! DO NOT EDIT THIS FILE !!!!!!! | |
62 | This file is built by embed.pl from data in embed.fnc, embed.pl, | |
907b3e23 | 63 | pp.sym, intrpvar.h, and perlvars.h. |
7f1be197 MB |
64 | Any changes made here will be lost! |
65 | ||
66 | Edit those files and run 'make regen_headers' to effect changes. | |
67 | ||
68 | EOW | |
69 | ||
cfa0b873 AT |
70 | $warning .= <<EOW if $file eq 'perlapi.c'; |
71 | ||
72 | Up to the threshold of the door there mounted a flight of twenty-seven | |
73 | broad stairs, hewn by some unknown art of the same black stone. This | |
4ac71550 TC |
74 | was the only entrance to the tower; ... |
75 | ||
76 | [p.577 of _The Lord of the Rings_, III/x: "The Voice of Saruman"] | |
cfa0b873 AT |
77 | |
78 | ||
79 | EOW | |
80 | ||
7f1be197 | 81 | if ($file =~ m:\.[ch]$:) { |
0ea9712b MB |
82 | $warning =~ s:^: * :gm; |
83 | $warning =~ s: +$::gm; | |
84 | $warning =~ s: :/:; | |
85 | $warning =~ s:$:/:; | |
7f1be197 MB |
86 | } |
87 | else { | |
0ea9712b MB |
88 | $warning =~ s:^:# :gm; |
89 | $warning =~ s: +$::gm; | |
7f1be197 MB |
90 | } |
91 | $warning; | |
92 | } # do_not_edit | |
93 | ||
94bdecf9 | 94 | open IN, "embed.fnc" or die $!; |
cea2e8a9 | 95 | |
881a2100 | 96 | my @embed; |
125218eb | 97 | my (%has_va, %has_nocontext); |
881a2100 NC |
98 | |
99 | while (<IN>) { | |
100 | chomp; | |
101 | next if /^:/; | |
102 | while (s|\\$||) { | |
103 | $_ .= <IN>; | |
104 | chomp; | |
105 | } | |
106 | s/\s+$//; | |
107 | my @args; | |
108 | if (/^\s*(#|$)/) { | |
109 | @args = $_; | |
110 | } | |
111 | else { | |
112 | @args = split /\s*\|\s*/, $_; | |
125218eb NC |
113 | my $func = $args[2]; |
114 | if ($func) { | |
115 | ++$has_va{$func} if $args[-1] =~ /\.\.\./; | |
116 | ++$has_nocontext{$1} if $func =~ /(.*)_nocontext/; | |
117 | } | |
881a2100 NC |
118 | } |
119 | push @embed, \@args; | |
120 | } | |
121 | ||
cea2e8a9 GS |
122 | # walk table providing an array of components in each line to |
123 | # subroutine, printing the result | |
124 | sub walk_table (&@) { | |
1028dc3c | 125 | my ($function, $filename, $trailer) = @_; |
cea2e8a9 | 126 | my $F; |
cea2e8a9 GS |
127 | if (ref $filename) { # filehandle |
128 | $F = $filename; | |
129 | } | |
d0ee0d3d | 130 | else { |
424a4936 | 131 | $F = safer_open("$filename-new"); |
1028dc3c | 132 | print $F do_not_edit ($filename); |
cea2e8a9 | 133 | } |
881a2100 NC |
134 | foreach (@embed) { |
135 | my @outs = &{$function}(@$_); | |
1028dc3c | 136 | # $function->(@args) is not 5.003 |
d0ee0d3d | 137 | print $F @outs; |
cea2e8a9 GS |
138 | } |
139 | print $F $trailer if $trailer; | |
d0ee0d3d | 140 | unless (ref $filename) { |
08858ed2 | 141 | safer_close($F); |
424a4936 | 142 | rename_if_different("$filename-new", $filename); |
36bb303b | 143 | } |
cea2e8a9 GS |
144 | } |
145 | ||
cea2e8a9 | 146 | # generate proto.h |
0cb96387 GS |
147 | my $wrote_protected = 0; |
148 | ||
cea2e8a9 | 149 | sub write_protos { |
f8394530 | 150 | my $ret; |
cea2e8a9 GS |
151 | if (@_ == 1) { |
152 | my $arg = shift; | |
f8394530 | 153 | $ret = "$arg\n"; |
cea2e8a9 GS |
154 | } |
155 | else { | |
7918f24d | 156 | my ($flags,$retval,$plain_func,@args) = @_; |
4373e329 AL |
157 | my @nonnull; |
158 | my $has_context = ( $flags !~ /n/ ); | |
88e01c9d AL |
159 | my $never_returns = ( $flags =~ /r/ ); |
160 | my $commented_out = ( $flags =~ /m/ ); | |
aa4ca557 | 161 | my $binarycompat = ( $flags =~ /b/ ); |
88e01c9d AL |
162 | my $is_malloc = ( $flags =~ /a/ ); |
163 | my $can_ignore = ( $flags !~ /R/ ) && !$is_malloc; | |
7918f24d NC |
164 | my @names_of_nn; |
165 | my $func; | |
88e01c9d AL |
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"; |
7918f24d | 177 | $func = "S_$plain_func"; |
cea2e8a9 | 178 | } |
0cb96387 | 179 | else { |
88e01c9d | 180 | $retval = "PERL_CALLCONV $splint_flags$retval"; |
25b0f989 | 181 | if ($flags =~ /[bp]/) { |
7918f24d NC |
182 | $func = "Perl_$plain_func"; |
183 | } else { | |
184 | $func = $plain_func; | |
0cb96387 | 185 | } |
cea2e8a9 | 186 | } |
f8394530 | 187 | $ret = "$retval\t$func("; |
4373e329 AL |
188 | if ( $has_context ) { |
189 | $ret .= @args ? "pTHX_ " : "pTHX"; | |
cea2e8a9 GS |
190 | } |
191 | if (@args) { | |
4373e329 AL |
192 | my $n; |
193 | for my $arg ( @args ) { | |
194 | ++$n; | |
7827dc65 AL |
195 | if ( $arg =~ /\*/ && $arg !~ /\b(NN|NULLOK)\b/ ) { |
196 | warn "$func: $arg needs NN or NULLOK\n"; | |
7827dc65 AL |
197 | ++$unflagged_pointers; |
198 | } | |
88e01c9d AL |
199 | my $nn = ( $arg =~ s/\s*\bNN\b\s+// ); |
200 | push( @nonnull, $n ) if $nn; | |
201 | ||
202 | my $nullok = ( $arg =~ s/\s*\bNULLOK\b\s+// ); # strip NULLOK with no effect | |
c48640ec AL |
203 | |
204 | # Make sure each arg has at least a type and a var name. | |
205 | # An arg of "int" is valid C, but want it to be "int foo". | |
206 | my $temp_arg = $arg; | |
207 | $temp_arg =~ s/\*//g; | |
208 | $temp_arg =~ s/\s*\bstruct\b\s*/ /g; | |
7918f24d NC |
209 | if ( ($temp_arg ne "...") |
210 | && ($temp_arg !~ /\w+\s+(\w+)(?:\[\d+\])?\s*$/) ) { | |
211 | warn "$func: $arg ($n) doesn't have a name\n"; | |
c48640ec | 212 | } |
88e01c9d AL |
213 | if ( $SPLINT && $nullok && !$commented_out ) { |
214 | $arg = '/*@null@*/ ' . $arg; | |
215 | } | |
aa4ca557 | 216 | if (defined $1 && $nn && !($commented_out && !$binarycompat)) { |
7918f24d NC |
217 | push @names_of_nn, $1; |
218 | } | |
4373e329 | 219 | } |
cea2e8a9 GS |
220 | $ret .= join ", ", @args; |
221 | } | |
222 | else { | |
4373e329 | 223 | $ret .= "void" if !$has_context; |
cea2e8a9 GS |
224 | } |
225 | $ret .= ")"; | |
f54cb97a AL |
226 | my @attrs; |
227 | if ( $flags =~ /r/ ) { | |
abb2c242 | 228 | push @attrs, "__attribute__noreturn__"; |
f54cb97a | 229 | } |
a5c26493 RGS |
230 | if ( $flags =~ /D/ ) { |
231 | push @attrs, "__attribute__deprecated__"; | |
232 | } | |
88e01c9d | 233 | if ( $is_malloc ) { |
abb2c242 | 234 | push @attrs, "__attribute__malloc__"; |
f54cb97a | 235 | } |
88e01c9d | 236 | if ( !$can_ignore ) { |
abb2c242 | 237 | push @attrs, "__attribute__warn_unused_result__"; |
f54cb97a AL |
238 | } |
239 | if ( $flags =~ /P/ ) { | |
abb2c242 | 240 | push @attrs, "__attribute__pure__"; |
f54cb97a | 241 | } |
1c846c1f | 242 | if( $flags =~ /f/ ) { |
cdfeb707 RB |
243 | my $prefix = $has_context ? 'pTHX_' : ''; |
244 | my $args = scalar @args; | |
245 | my $pat = $args - 1; | |
246 | my $macro = @nonnull && $nonnull[-1] == $pat | |
247 | ? '__attribute__format__' | |
248 | : '__attribute__format__null_ok__'; | |
249 | push @attrs, sprintf "%s(__printf__,%s%d,%s%d)", $macro, | |
250 | $prefix, $pat, $prefix, $args; | |
894356b3 | 251 | } |
4373e329 | 252 | if ( @nonnull ) { |
3d42dc86 | 253 | my @pos = map { $has_context ? "pTHX_$_" : $_ } @nonnull; |
abb2c242 | 254 | push @attrs, map { sprintf( "__attribute__nonnull__(%s)", $_ ) } @pos; |
f54cb97a AL |
255 | } |
256 | if ( @attrs ) { | |
257 | $ret .= "\n"; | |
258 | $ret .= join( "\n", map { "\t\t\t$_" } @attrs ); | |
4373e329 | 259 | } |
af3c7592 | 260 | $ret .= ";"; |
88e01c9d | 261 | $ret = "/* $ret */" if $commented_out; |
7918f24d NC |
262 | if (@names_of_nn) { |
263 | $ret .= "\n#define PERL_ARGS_ASSERT_\U$plain_func\E\t\\\n\t" | |
264 | . join '; ', map "assert($_)", @names_of_nn; | |
265 | } | |
f54cb97a | 266 | $ret .= @attrs ? "\n\n" : "\n"; |
cea2e8a9 GS |
267 | } |
268 | $ret; | |
269 | } | |
270 | ||
2b10efc6 NC |
271 | # generates global.sym (API export list) |
272 | { | |
273 | my %seen; | |
274 | sub write_global_sym { | |
2b10efc6 NC |
275 | if (@_ > 1) { |
276 | my ($flags,$retval,$func,@args) = @_; | |
277 | # If a function is defined twice, for example before and after an | |
278 | # #else, only process the flags on the first instance for global.sym | |
f8394530 | 279 | return '' if $seen{$func}++; |
2b10efc6 NC |
280 | if ($flags =~ /[AX]/ && $flags !~ /[xm]/ |
281 | || $flags =~ /b/) { # public API, so export | |
282 | $func = "Perl_$func" if $flags =~ /[pbX]/; | |
f8394530 | 283 | return "$func\n"; |
2b10efc6 NC |
284 | } |
285 | } | |
f8394530 | 286 | return ''; |
2b10efc6 | 287 | } |
cea2e8a9 GS |
288 | } |
289 | ||
1028dc3c | 290 | walk_table(\&write_protos, "proto.h", "/* ex: set ro: */\n"); |
7827dc65 | 291 | warn "$unflagged_pointers pointer arguments to clean up\n" if $unflagged_pointers; |
1028dc3c | 292 | walk_table(\&write_global_sym, "global.sym", "# ex: set ro:\n"); |
cea2e8a9 | 293 | |
5f05dabc | 294 | sub readsyms (\%$) { |
295 | my ($syms, $file) = @_; | |
5f05dabc | 296 | local (*FILE, $_); |
297 | open(FILE, "< $file") | |
298 | or die "embed.pl: Can't open $file: $!\n"; | |
299 | while (<FILE>) { | |
300 | s/[ \t]*#.*//; # Delete comments. | |
301 | if (/^\s*(\S+)\s*$/) { | |
22c35a8c | 302 | my $sym = $1; |
d1594dd0 | 303 | warn "duplicate symbol $sym while processing $file line $.\n" |
22c35a8c GS |
304 | if exists $$syms{$sym}; |
305 | $$syms{$sym} = 1; | |
5f05dabc | 306 | } |
307 | } | |
308 | close(FILE); | |
309 | } | |
310 | ||
cea2e8a9 GS |
311 | # Perl_pp_* and Perl_ck_* are in pp.sym |
312 | readsyms my %ppsym, 'pp.sym'; | |
5f05dabc | 313 | |
c6af7a1a GS |
314 | sub readvars(\%$$@) { |
315 | my ($syms, $file,$pre,$keep_pre) = @_; | |
d4cce5f1 NIS |
316 | local (*FILE, $_); |
317 | open(FILE, "< $file") | |
318 | or die "embed.pl: Can't open $file: $!\n"; | |
319 | while (<FILE>) { | |
320 | s/[ \t]*#.*//; # Delete comments. | |
27da23d5 | 321 | if (/PERLVARA?I?S?C?\($pre(\w+)/) { |
22c35a8c | 322 | my $sym = $1; |
c6af7a1a | 323 | $sym = $pre . $sym if $keep_pre; |
d1594dd0 | 324 | warn "duplicate symbol $sym while processing $file line $.\n" |
22c35a8c | 325 | if exists $$syms{$sym}; |
51371543 | 326 | $$syms{$sym} = $pre || 1; |
d4cce5f1 NIS |
327 | } |
328 | } | |
329 | close(FILE); | |
330 | } | |
331 | ||
332 | my %intrp; | |
88e01c9d | 333 | my %globvar; |
d4cce5f1 NIS |
334 | |
335 | readvars %intrp, 'intrpvar.h','I'; | |
22239a37 | 336 | readvars %globvar, 'perlvars.h','G'; |
d4cce5f1 | 337 | |
4543f4c0 | 338 | my $sym; |
d4cce5f1 | 339 | |
c6af7a1a GS |
340 | sub undefine ($) { |
341 | my ($sym) = @_; | |
342 | "#undef $sym\n"; | |
343 | } | |
344 | ||
125218eb NC |
345 | sub hide { |
346 | my ($from, $to, $indent) = @_; | |
347 | $indent = '' unless defined $indent; | |
348 | my $t = int(length("$indent$from") / 8); | |
349 | "#${indent}define $from" . "\t" x ($t < 3 ? 3 - $t : 1) . "$to\n"; | |
5f05dabc | 350 | } |
c6af7a1a | 351 | |
6f4183fe | 352 | sub bincompat_var ($$) { |
51371543 | 353 | my ($pfx, $sym) = @_; |
acfe0abc | 354 | my $arg = ($pfx eq 'G' ? 'NULL' : 'aTHX'); |
c5be433b | 355 | undefine("PL_$sym") . hide("PL_$sym", "(*Perl_${pfx}${sym}_ptr($arg))"); |
c6af7a1a GS |
356 | } |
357 | ||
d4cce5f1 NIS |
358 | sub multon ($$$) { |
359 | my ($sym,$pre,$ptr) = @_; | |
3280af22 | 360 | hide("PL_$sym", "($ptr$pre$sym)"); |
5f05dabc | 361 | } |
54aff467 | 362 | |
d4cce5f1 NIS |
363 | sub multoff ($$) { |
364 | my ($sym,$pre) = @_; | |
533c011a | 365 | return hide("PL_$pre$sym", "PL_$sym"); |
5f05dabc | 366 | } |
367 | ||
424a4936 | 368 | my $em = safer_open('embed.h-new'); |
e50aee73 | 369 | |
424a4936 | 370 | print $em do_not_edit ("embed.h"), <<'END'; |
e50aee73 AD |
371 | |
372 | /* (Doing namespace management portably in C is really gross.) */ | |
373 | ||
d51482e4 JH |
374 | /* By defining PERL_NO_SHORT_NAMES (not done by default) the short forms |
375 | * (like warn instead of Perl_warn) for the API are not defined. | |
376 | * Not defining the short forms is a good thing for cleaner embedding. */ | |
377 | ||
378 | #ifndef PERL_NO_SHORT_NAMES | |
820c3be9 | 379 | |
22c35a8c | 380 | /* Hide global symbols */ |
5f05dabc | 381 | |
cea2e8a9 | 382 | #if !defined(PERL_IMPLICIT_CONTEXT) |
e50aee73 | 383 | |
e50aee73 AD |
384 | END |
385 | ||
da4ddda1 NC |
386 | # Try to elimiate lots of repeated |
387 | # #ifdef PERL_CORE | |
388 | # foo | |
389 | # #endif | |
390 | # #ifdef PERL_CORE | |
391 | # bar | |
392 | # #endif | |
393 | # by tracking state and merging foo and bar into one block. | |
394 | my $ifdef_state = ''; | |
395 | ||
cea2e8a9 GS |
396 | walk_table { |
397 | my $ret = ""; | |
da4ddda1 | 398 | my $new_ifdef_state = ''; |
cea2e8a9 GS |
399 | if (@_ == 1) { |
400 | my $arg = shift; | |
f8394530 | 401 | $ret = "$arg\n" if $arg =~ /^#\s*(if|ifn?def|else|endif)\b/; |
cea2e8a9 GS |
402 | } |
403 | else { | |
404 | my ($flags,$retval,$func,@args) = @_; | |
af3c7592 | 405 | unless ($flags =~ /[om]/) { |
cea2e8a9 | 406 | if ($flags =~ /s/) { |
f8394530 | 407 | $ret = hide($func,"S_$func"); |
cea2e8a9 GS |
408 | } |
409 | elsif ($flags =~ /p/) { | |
f8394530 | 410 | $ret = hide($func,"Perl_$func"); |
cea2e8a9 GS |
411 | } |
412 | } | |
47e67c64 | 413 | if ($ret ne '' && $flags !~ /A/) { |
de37762f | 414 | if ($flags =~ /E/) { |
da4ddda1 NC |
415 | $new_ifdef_state |
416 | = "#if defined(PERL_CORE) || defined(PERL_EXT)\n"; | |
417 | } | |
418 | else { | |
419 | $new_ifdef_state = "#ifdef PERL_CORE\n"; | |
420 | } | |
421 | ||
422 | if ($new_ifdef_state ne $ifdef_state) { | |
423 | $ret = $new_ifdef_state . $ret; | |
de37762f HS |
424 | } |
425 | } | |
cea2e8a9 | 426 | } |
da4ddda1 NC |
427 | if ($ifdef_state && $new_ifdef_state ne $ifdef_state) { |
428 | # Close the old one ahead of opening the new one. | |
429 | $ret = "#endif\n$ret"; | |
430 | } | |
431 | # Remember the new state. | |
432 | $ifdef_state = $new_ifdef_state; | |
cea2e8a9 | 433 | $ret; |
1028dc3c | 434 | } $em; |
cea2e8a9 | 435 | |
da4ddda1 | 436 | if ($ifdef_state) { |
424a4936 | 437 | print $em "#endif\n"; |
da4ddda1 NC |
438 | } |
439 | ||
cea2e8a9 GS |
440 | for $sym (sort keys %ppsym) { |
441 | $sym =~ s/^Perl_//; | |
424a4936 | 442 | print $em hide($sym, "Perl_$sym"); |
cea2e8a9 GS |
443 | } |
444 | ||
424a4936 | 445 | print $em <<'END'; |
cea2e8a9 GS |
446 | |
447 | #else /* PERL_IMPLICIT_CONTEXT */ | |
448 | ||
449 | END | |
450 | ||
451 | my @az = ('a'..'z'); | |
452 | ||
da4ddda1 | 453 | $ifdef_state = ''; |
cea2e8a9 GS |
454 | walk_table { |
455 | my $ret = ""; | |
da4ddda1 | 456 | my $new_ifdef_state = ''; |
cea2e8a9 GS |
457 | if (@_ == 1) { |
458 | my $arg = shift; | |
f8394530 | 459 | $ret = "$arg\n" if $arg =~ /^#\s*(if|ifn?def|else|endif)\b/; |
cea2e8a9 GS |
460 | } |
461 | else { | |
462 | my ($flags,$retval,$func,@args) = @_; | |
af3c7592 | 463 | unless ($flags =~ /[om]/) { |
cea2e8a9 | 464 | my $args = scalar @args; |
7a5a24f7 | 465 | if ($flags =~ /n/) { |
cea2e8a9 | 466 | if ($flags =~ /s/) { |
f8394530 | 467 | $ret = hide($func,"S_$func"); |
cea2e8a9 GS |
468 | } |
469 | elsif ($flags =~ /p/) { | |
f8394530 | 470 | $ret = hide($func,"Perl_$func"); |
cea2e8a9 GS |
471 | } |
472 | } | |
7a5a24f7 NC |
473 | elsif ($args and $args[$args-1] =~ /\.\.\./) { |
474 | # we're out of luck for varargs functions under CPP | |
475 | } | |
cea2e8a9 GS |
476 | else { |
477 | my $alist = join(",", @az[0..$args-1]); | |
478 | $ret = "#define $func($alist)"; | |
479 | my $t = int(length($ret) / 8); | |
480 | $ret .= "\t" x ($t < 4 ? 4 - $t : 1); | |
481 | if ($flags =~ /s/) { | |
482 | $ret .= "S_$func(aTHX"; | |
483 | } | |
484 | elsif ($flags =~ /p/) { | |
485 | $ret .= "Perl_$func(aTHX"; | |
486 | } | |
487 | $ret .= "_ " if $alist; | |
488 | $ret .= $alist . ")\n"; | |
489 | } | |
490 | } | |
da4ddda1 | 491 | unless ($flags =~ /A/) { |
de37762f | 492 | if ($flags =~ /E/) { |
da4ddda1 NC |
493 | $new_ifdef_state |
494 | = "#if defined(PERL_CORE) || defined(PERL_EXT)\n"; | |
495 | } | |
496 | else { | |
497 | $new_ifdef_state = "#ifdef PERL_CORE\n"; | |
498 | } | |
499 | ||
500 | if ($new_ifdef_state ne $ifdef_state) { | |
501 | $ret = $new_ifdef_state . $ret; | |
de37762f HS |
502 | } |
503 | } | |
cea2e8a9 | 504 | } |
da4ddda1 NC |
505 | if ($ifdef_state && $new_ifdef_state ne $ifdef_state) { |
506 | # Close the old one ahead of opening the new one. | |
507 | $ret = "#endif\n$ret"; | |
508 | } | |
509 | # Remember the new state. | |
510 | $ifdef_state = $new_ifdef_state; | |
cea2e8a9 | 511 | $ret; |
1028dc3c | 512 | } $em; |
cea2e8a9 | 513 | |
da4ddda1 | 514 | if ($ifdef_state) { |
424a4936 | 515 | print $em "#endif\n"; |
da4ddda1 NC |
516 | } |
517 | ||
cea2e8a9 GS |
518 | for $sym (sort keys %ppsym) { |
519 | $sym =~ s/^Perl_//; | |
520 | if ($sym =~ /^ck_/) { | |
424a4936 | 521 | print $em hide("$sym(a)", "Perl_$sym(aTHX_ a)"); |
cea2e8a9 GS |
522 | } |
523 | elsif ($sym =~ /^pp_/) { | |
424a4936 | 524 | print $em hide("$sym()", "Perl_$sym(aTHX)"); |
cea2e8a9 GS |
525 | } |
526 | else { | |
527 | warn "Illegal symbol '$sym' in pp.sym"; | |
528 | } | |
e50aee73 AD |
529 | } |
530 | ||
424a4936 | 531 | print $em <<'END'; |
e50aee73 | 532 | |
cea2e8a9 | 533 | #endif /* PERL_IMPLICIT_CONTEXT */ |
22c35a8c | 534 | |
d51482e4 | 535 | #endif /* #ifndef PERL_NO_SHORT_NAMES */ |
35209cc8 | 536 | |
22c35a8c GS |
537 | END |
538 | ||
424a4936 | 539 | print $em <<'END'; |
22c35a8c | 540 | |
cea2e8a9 GS |
541 | /* Compatibility stubs. Compile extensions with -DPERL_NOCOMPAT to |
542 | disable them. | |
543 | */ | |
544 | ||
538feb02 | 545 | #if !defined(PERL_CORE) |
5bc28da9 | 546 | # define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,PTR2IV(ptr)) |
a0714e2c | 547 | # define sv_setptrref(rv,ptr) sv_setref_iv(rv,NULL,PTR2IV(ptr)) |
538feb02 | 548 | #endif |
cea2e8a9 | 549 | |
08e5223a | 550 | #if !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) |
cea2e8a9 GS |
551 | |
552 | /* Compatibility for various misnamed functions. All functions | |
553 | in the API that begin with "perl_" (not "Perl_") take an explicit | |
554 | interpreter context pointer. | |
555 | The following are not like that, but since they had a "perl_" | |
556 | prefix in previous versions, we provide compatibility macros. | |
557 | */ | |
65cec589 | 558 | # define perl_atexit(a,b) call_atexit(a,b) |
7b53c8ee NC |
559 | END |
560 | ||
561 | walk_table { | |
562 | my ($flags,$retval,$func,@args) = @_; | |
563 | return unless $func; | |
564 | return unless $flags =~ /O/; | |
565 | ||
566 | my $alist = join ",", @az[0..$#args]; | |
567 | my $ret = "# define perl_$func($alist)"; | |
568 | my $t = (length $ret) >> 3; | |
569 | $ret .= "\t" x ($t < 5 ? 5 - $t : 1); | |
570 | "$ret$func($alist)\n"; | |
1028dc3c | 571 | } $em; |
7b53c8ee NC |
572 | |
573 | print $em <<'END'; | |
cea2e8a9 GS |
574 | |
575 | /* varargs functions can't be handled with CPP macros. :-( | |
576 | This provides a set of compatibility functions that don't take | |
577 | an extra argument but grab the context pointer using the macro | |
578 | dTHX. | |
579 | */ | |
d51482e4 | 580 | #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_NO_SHORT_NAMES) |
125218eb NC |
581 | END |
582 | ||
583 | foreach (sort keys %has_va) { | |
584 | next unless $has_nocontext{$_}; | |
585 | next if /printf/; # Not clear to me why these are skipped but they are. | |
586 | print $em hide($_, "Perl_${_}_nocontext", " "); | |
587 | } | |
588 | ||
589 | print $em <<'END'; | |
cea2e8a9 GS |
590 | #endif |
591 | ||
592 | #endif /* !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) */ | |
593 | ||
594 | #if !defined(PERL_IMPLICIT_CONTEXT) | |
595 | /* undefined symbols, point them back at the usual ones */ | |
125218eb NC |
596 | END |
597 | ||
598 | foreach (sort keys %has_va) { | |
599 | next unless $has_nocontext{$_}; | |
600 | next if /printf/; # Not clear to me why these are skipped but they are. | |
601 | print $em hide("Perl_${_}_nocontext", "Perl_$_", " "); | |
602 | } | |
603 | ||
604 | print $em <<'END'; | |
cea2e8a9 | 605 | #endif |
db5cf5a9 | 606 | |
37442d52 | 607 | /* ex: set ro: */ |
d4cce5f1 NIS |
608 | END |
609 | ||
08858ed2 | 610 | safer_close($em); |
424a4936 | 611 | rename_if_different('embed.h-new', 'embed.h'); |
d4cce5f1 | 612 | |
424a4936 | 613 | $em = safer_open('embedvar.h-new'); |
d4cce5f1 | 614 | |
424a4936 | 615 | print $em do_not_edit ("embedvar.h"), <<'END'; |
d4cce5f1 NIS |
616 | |
617 | /* (Doing namespace management portably in C is really gross.) */ | |
618 | ||
54aff467 | 619 | /* |
3db8f154 MB |
620 | The following combinations of MULTIPLICITY and PERL_IMPLICIT_CONTEXT |
621 | are supported: | |
54aff467 GS |
622 | 1) none |
623 | 2) MULTIPLICITY # supported for compatibility | |
624 | 3) MULTIPLICITY && PERL_IMPLICIT_CONTEXT | |
54aff467 GS |
625 | |
626 | All other combinations of these flags are errors. | |
627 | ||
3db8f154 | 628 | only #3 is supported directly, while #2 is a special |
54aff467 GS |
629 | case of #3 (supported by redefining vTHX appropriately). |
630 | */ | |
cea2e8a9 | 631 | |
54aff467 | 632 | #if defined(MULTIPLICITY) |
3db8f154 | 633 | /* cases 2 and 3 above */ |
cea2e8a9 | 634 | |
54aff467 GS |
635 | # if defined(PERL_IMPLICIT_CONTEXT) |
636 | # define vTHX aTHX | |
637 | # else | |
638 | # define vTHX PERL_GET_INTERP | |
639 | # endif | |
cea2e8a9 | 640 | |
e50aee73 AD |
641 | END |
642 | ||
d4cce5f1 | 643 | for $sym (sort keys %intrp) { |
424a4936 | 644 | print $em multon($sym,'I','vTHX->'); |
d4cce5f1 NIS |
645 | } |
646 | ||
424a4936 | 647 | print $em <<'END'; |
d4cce5f1 | 648 | |
54aff467 | 649 | #else /* !MULTIPLICITY */ |
1d7c1841 | 650 | |
3db8f154 | 651 | /* case 1 above */ |
5f05dabc | 652 | |
56d28764 | 653 | END |
e50aee73 | 654 | |
d4cce5f1 | 655 | for $sym (sort keys %intrp) { |
424a4936 | 656 | print $em multoff($sym,'I'); |
d4cce5f1 NIS |
657 | } |
658 | ||
424a4936 | 659 | print $em <<'END'; |
d4cce5f1 | 660 | |
d4cce5f1 NIS |
661 | END |
662 | ||
424a4936 | 663 | print $em <<'END'; |
d4cce5f1 | 664 | |
54aff467 | 665 | #endif /* MULTIPLICITY */ |
d4cce5f1 | 666 | |
54aff467 | 667 | #if defined(PERL_GLOBAL_STRUCT) |
22239a37 NIS |
668 | |
669 | END | |
670 | ||
671 | for $sym (sort keys %globvar) { | |
424a4936 NC |
672 | print $em multon($sym, 'G','my_vars->'); |
673 | print $em multon("G$sym",'', 'my_vars->'); | |
22239a37 NIS |
674 | } |
675 | ||
424a4936 | 676 | print $em <<'END'; |
22239a37 NIS |
677 | |
678 | #else /* !PERL_GLOBAL_STRUCT */ | |
679 | ||
680 | END | |
681 | ||
682 | for $sym (sort keys %globvar) { | |
424a4936 | 683 | print $em multoff($sym,'G'); |
22239a37 NIS |
684 | } |
685 | ||
424a4936 | 686 | print $em <<'END'; |
22239a37 | 687 | |
22239a37 NIS |
688 | #endif /* PERL_GLOBAL_STRUCT */ |
689 | ||
37442d52 | 690 | /* ex: set ro: */ |
84fee439 NIS |
691 | END |
692 | ||
08858ed2 | 693 | safer_close($em); |
424a4936 | 694 | rename_if_different('embedvar.h-new', 'embedvar.h'); |
c6af7a1a | 695 | |
424a4936 NC |
696 | my $capi = safer_open('perlapi.c-new'); |
697 | my $capih = safer_open('perlapi.h-new'); | |
51371543 | 698 | |
424a4936 | 699 | print $capih do_not_edit ("perlapi.h"), <<'EOT'; |
51371543 | 700 | |
51371543 | 701 | /* declare accessor functions for Perl variables */ |
6f4183fe GS |
702 | #ifndef __perlapi_h__ |
703 | #define __perlapi_h__ | |
51371543 | 704 | |
87b9e160 | 705 | #if defined (MULTIPLICITY) && defined (PERL_GLOBAL_STRUCT) |
c5be433b | 706 | |
51371543 GS |
707 | START_EXTERN_C |
708 | ||
709 | #undef PERLVAR | |
710 | #undef PERLVARA | |
711 | #undef PERLVARI | |
712 | #undef PERLVARIC | |
27da23d5 | 713 | #undef PERLVARISC |
acfe0abc | 714 | #define PERLVAR(v,t) EXTERN_C t* Perl_##v##_ptr(pTHX); |
51371543 | 715 | #define PERLVARA(v,n,t) typedef t PL_##v##_t[n]; \ |
acfe0abc | 716 | EXTERN_C PL_##v##_t* Perl_##v##_ptr(pTHX); |
51371543 | 717 | #define PERLVARI(v,t,i) PERLVAR(v,t) |
c5be433b | 718 | #define PERLVARIC(v,t,i) PERLVAR(v, const t) |
27da23d5 JH |
719 | #define PERLVARISC(v,i) typedef const char PL_##v##_t[sizeof(i)]; \ |
720 | EXTERN_C PL_##v##_t* Perl_##v##_ptr(pTHX); | |
51371543 | 721 | |
51371543 GS |
722 | #include "perlvars.h" |
723 | ||
724 | #undef PERLVAR | |
725 | #undef PERLVARA | |
726 | #undef PERLVARI | |
727 | #undef PERLVARIC | |
27da23d5 JH |
728 | #undef PERLVARISC |
729 | ||
51371543 GS |
730 | END_EXTERN_C |
731 | ||
682fc664 | 732 | #if defined(PERL_CORE) |
6f4183fe | 733 | |
87b9e160 | 734 | /* accessor functions for Perl "global" variables */ |
682fc664 GS |
735 | |
736 | /* these need to be mentioned here, or most linkers won't put them in | |
737 | the perl executable */ | |
738 | ||
739 | #ifndef PERL_NO_FORCE_LINK | |
740 | ||
741 | START_EXTERN_C | |
742 | ||
743 | #ifndef DOINIT | |
27da23d5 | 744 | EXTCONST void * const PL_force_link_funcs[]; |
682fc664 | 745 | #else |
27da23d5 | 746 | EXTCONST void * const PL_force_link_funcs[] = { |
682fc664 GS |
747 | #undef PERLVAR |
748 | #undef PERLVARA | |
749 | #undef PERLVARI | |
750 | #undef PERLVARIC | |
ea1f607c | 751 | #define PERLVAR(v,t) (void*)Perl_##v##_ptr, |
682fc664 GS |
752 | #define PERLVARA(v,n,t) PERLVAR(v,t) |
753 | #define PERLVARI(v,t,i) PERLVAR(v,t) | |
754 | #define PERLVARIC(v,t,i) PERLVAR(v,t) | |
27da23d5 | 755 | #define PERLVARISC(v,i) PERLVAR(v,char) |
682fc664 | 756 | |
3c0f78ca JH |
757 | /* In Tru64 (__DEC && __osf__) the cc option -std1 causes that one |
758 | * cannot cast between void pointers and function pointers without | |
759 | * info level warnings. The PL_force_link_funcs[] would cause a few | |
760 | * hundred of those warnings. In code one can circumnavigate this by using | |
761 | * unions that overlay the different pointers, but in declarations one | |
762 | * cannot use this trick. Therefore we just disable the warning here | |
763 | * for the duration of the PL_force_link_funcs[] declaration. */ | |
764 | ||
765 | #if defined(__DECC) && defined(__osf__) | |
766 | #pragma message save | |
767 | #pragma message disable (nonstandcast) | |
768 | #endif | |
769 | ||
682fc664 GS |
770 | #include "perlvars.h" |
771 | ||
3c0f78ca JH |
772 | #if defined(__DECC) && defined(__osf__) |
773 | #pragma message restore | |
774 | #endif | |
775 | ||
682fc664 GS |
776 | #undef PERLVAR |
777 | #undef PERLVARA | |
778 | #undef PERLVARI | |
779 | #undef PERLVARIC | |
27da23d5 | 780 | #undef PERLVARISC |
682fc664 GS |
781 | }; |
782 | #endif /* DOINIT */ | |
783 | ||
acfe0abc | 784 | END_EXTERN_C |
682fc664 GS |
785 | |
786 | #endif /* PERL_NO_FORCE_LINK */ | |
787 | ||
788 | #else /* !PERL_CORE */ | |
51371543 GS |
789 | |
790 | EOT | |
791 | ||
4543f4c0 | 792 | foreach $sym (sort keys %globvar) { |
424a4936 | 793 | print $capih bincompat_var('G',$sym); |
6f4183fe GS |
794 | } |
795 | ||
424a4936 | 796 | print $capih <<'EOT'; |
6f4183fe GS |
797 | |
798 | #endif /* !PERL_CORE */ | |
87b9e160 | 799 | #endif /* MULTIPLICITY && PERL_GLOBAL_STRUCT */ |
6f4183fe GS |
800 | |
801 | #endif /* __perlapi_h__ */ | |
802 | ||
37442d52 | 803 | /* ex: set ro: */ |
6f4183fe | 804 | EOT |
08858ed2 | 805 | safer_close($capih); |
424a4936 | 806 | rename_if_different('perlapi.h-new', 'perlapi.h'); |
51371543 | 807 | |
424a4936 | 808 | print $capi do_not_edit ("perlapi.c"), <<'EOT'; |
51371543 GS |
809 | |
810 | #include "EXTERN.h" | |
811 | #include "perl.h" | |
812 | #include "perlapi.h" | |
813 | ||
87b9e160 | 814 | #if defined (MULTIPLICITY) && defined (PERL_GLOBAL_STRUCT) |
51371543 | 815 | |
87b9e160 | 816 | /* accessor functions for Perl "global" variables */ |
51371543 GS |
817 | START_EXTERN_C |
818 | ||
51371543 | 819 | #undef PERLVARI |
87b9e160 | 820 | #define PERLVARI(v,t,i) PERLVAR(v,t) |
c5be433b GS |
821 | |
822 | #undef PERLVAR | |
823 | #undef PERLVARA | |
acfe0abc | 824 | #define PERLVAR(v,t) t* Perl_##v##_ptr(pTHX) \ |
96a5add6 | 825 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
acfe0abc | 826 | #define PERLVARA(v,n,t) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
96a5add6 | 827 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
34f7a5fe | 828 | #undef PERLVARIC |
27da23d5 JH |
829 | #undef PERLVARISC |
830 | #define PERLVARIC(v,t,i) \ | |
831 | const t* Perl_##v##_ptr(pTHX) \ | |
96a5add6 | 832 | { PERL_UNUSED_CONTEXT; return (const t *)&(PL_##v); } |
27da23d5 | 833 | #define PERLVARISC(v,i) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
96a5add6 | 834 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
51371543 GS |
835 | #include "perlvars.h" |
836 | ||
837 | #undef PERLVAR | |
838 | #undef PERLVARA | |
839 | #undef PERLVARI | |
840 | #undef PERLVARIC | |
27da23d5 JH |
841 | #undef PERLVARISC |
842 | ||
acfe0abc | 843 | END_EXTERN_C |
6f4183fe | 844 | |
87b9e160 | 845 | #endif /* MULTIPLICITY && PERL_GLOBAL_STRUCT */ |
37442d52 RGS |
846 | |
847 | /* ex: set ro: */ | |
51371543 GS |
848 | EOT |
849 | ||
08858ed2 | 850 | safer_close($capi); |
424a4936 | 851 | rename_if_different('perlapi.c-new', 'perlapi.c'); |
acfe0abc | 852 | |
1b6737cc | 853 | # ex: set ts=8 sts=4 sw=4 noet: |