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 | |
af001346 | 30 | require 'regen/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 !!!!!!! | |
d7cb65f2 FC |
62 | This file is built by regen/embed.pl from data in embed.fnc, |
63 | regen/embed.pl, 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 $!; |
cea2e8a9 | 95 | |
881a2100 | 96 | my @embed; |
125218eb | 97 | my (%has_va, %has_nocontext); |
881a2100 NC |
98 | |
99 | while (<IN>) { | |
100 | chomp; | |
101 | next if /^:/; | |
24dd05fb | 102 | next if /^$/; |
881a2100 NC |
103 | while (s|\\$||) { |
104 | $_ .= <IN>; | |
105 | chomp; | |
106 | } | |
107 | s/\s+$//; | |
108 | my @args; | |
109 | if (/^\s*(#|$)/) { | |
110 | @args = $_; | |
111 | } | |
112 | else { | |
113 | @args = split /\s*\|\s*/, $_; | |
125218eb NC |
114 | my $func = $args[2]; |
115 | if ($func) { | |
116 | ++$has_va{$func} if $args[-1] =~ /\.\.\./; | |
117 | ++$has_nocontext{$1} if $func =~ /(.*)_nocontext/; | |
118 | } | |
881a2100 | 119 | } |
7c662e8a NC |
120 | if (@args == 1 && $args[0] !~ /^#\s*(?:if|ifdef|ifndef|else|endif)/) { |
121 | die "Illegal line $. '$args[0]' in embed.fnc"; | |
122 | } | |
881a2100 NC |
123 | push @embed, \@args; |
124 | } | |
125 | ||
a4e74480 NC |
126 | open IN, 'pp.sym' or die $!; |
127 | { | |
128 | my %syms; | |
129 | ||
130 | while (<IN>) { | |
131 | s/[ \t]*#.*//; # Delete comments. | |
132 | if (/^\s*(\S+)\s*$/) { | |
133 | my $sym = $1; | |
134 | warn "duplicate symbol $sym while processing 'pp.sym' line $.\n" | |
135 | if $syms{$sym}++; | |
136 | } | |
137 | } | |
138 | ||
139 | foreach (sort keys %syms) { | |
140 | s/^Perl_//; | |
141 | if (/^ck_/) { | |
142 | # These are all indirectly referenced by globals.c. | |
143 | # This is somewhat annoying. | |
144 | push @embed, ['pR', 'OP *', $_, 'NN OP *o']; | |
145 | } | |
146 | elsif (/^pp_/) { | |
147 | push @embed, ['p', 'OP *', $_]; | |
148 | } | |
149 | else { | |
150 | warn "Illegal symbol '$_' in pp.sym"; | |
151 | } | |
152 | } | |
153 | } | |
e8a67806 | 154 | close IN; |
a4e74480 | 155 | |
e8a67806 | 156 | my (@core, @ext, @api); |
c527bc84 | 157 | { |
e8a67806 NC |
158 | # Cluster entries in embed.fnc that have the same #ifdef guards. |
159 | # Also, split out at the top level the three classes of functions. | |
160 | my @state; | |
161 | my %groups; | |
162 | my $current; | |
c527bc84 | 163 | foreach (@embed) { |
e8a67806 NC |
164 | if (@$_ > 1) { |
165 | push @$current, $_; | |
166 | next; | |
167 | } | |
c527bc84 NC |
168 | $_->[0] =~ s/^#\s+/#/; |
169 | $_->[0] =~ /^\S*/; | |
170 | $_->[0] =~ s/^#ifdef\s+(\S+)/#if defined($1)/; | |
171 | $_->[0] =~ s/^#ifndef\s+(\S+)/#if !defined($1)/; | |
e8a67806 NC |
172 | if ($_->[0] =~ /^#if\s*(.*)/) { |
173 | push @state, $1; | |
174 | } elsif ($_->[0] =~ /^#else\s*$/) { | |
175 | die "Unmatched #else in embed.fnc" unless @state; | |
176 | $state[-1] = "!($state[-1])"; | |
177 | } elsif ($_->[0] =~ m!^#endif\s*(?:/\*.*\*/)?$!) { | |
178 | die "Unmatched #endif in embed.fnc" unless @state; | |
179 | pop @state; | |
180 | } else { | |
181 | die "Unhandled pre-processor directive '$_->[0]' in embed.fnc"; | |
182 | } | |
183 | $current = \%groups; | |
184 | # Nested #if blocks are effectively &&ed together | |
185 | # For embed.fnc, ordering withing the && isn't relevant, so we can | |
186 | # sort them to try to group more functions together. | |
187 | my @sorted = sort @state; | |
188 | while (my $directive = shift @sorted) { | |
189 | $current->{$directive} ||= {}; | |
190 | $current = $current->{$directive}; | |
191 | } | |
192 | $current->{''} ||= []; | |
193 | $current = $current->{''}; | |
194 | } | |
195 | ||
196 | sub add_level { | |
197 | my ($level, $indent, $wanted) = @_; | |
198 | my $funcs = $level->{''}; | |
199 | my @entries; | |
200 | if ($funcs) { | |
201 | if (!defined $wanted) { | |
202 | @entries = @$funcs; | |
203 | } else { | |
204 | foreach (@$funcs) { | |
205 | if ($_->[0] =~ /A/) { | |
206 | push @entries, $_ if $wanted eq 'A'; | |
207 | } elsif ($_->[0] =~ /E/) { | |
208 | push @entries, $_ if $wanted eq 'E'; | |
209 | } else { | |
210 | push @entries, $_ if $wanted eq ''; | |
211 | } | |
212 | } | |
213 | } | |
214 | @entries = sort {$a->[2] cmp $b->[2]} @entries; | |
215 | } | |
216 | foreach (sort grep {length $_} keys %$level) { | |
217 | my @conditional = add_level($level->{$_}, $indent . ' ', $wanted); | |
218 | push @entries, | |
219 | ["#${indent}if $_"], @conditional, ["#${indent}endif"] | |
220 | if @conditional; | |
221 | } | |
222 | return @entries; | |
c527bc84 | 223 | } |
e8a67806 NC |
224 | @core = add_level(\%groups, '', ''); |
225 | @ext = add_level(\%groups, '', 'E'); | |
226 | @api = add_level(\%groups, '', 'A'); | |
227 | ||
228 | @embed = add_level(\%groups, ''); | |
c527bc84 NC |
229 | } |
230 | ||
cea2e8a9 GS |
231 | # walk table providing an array of components in each line to |
232 | # subroutine, printing the result | |
233 | sub walk_table (&@) { | |
1028dc3c | 234 | my ($function, $filename, $trailer) = @_; |
cea2e8a9 | 235 | my $F; |
cea2e8a9 GS |
236 | if (ref $filename) { # filehandle |
237 | $F = $filename; | |
238 | } | |
d0ee0d3d | 239 | else { |
424a4936 | 240 | $F = safer_open("$filename-new"); |
1028dc3c | 241 | print $F do_not_edit ($filename); |
cea2e8a9 | 242 | } |
881a2100 NC |
243 | foreach (@embed) { |
244 | my @outs = &{$function}(@$_); | |
1028dc3c | 245 | # $function->(@args) is not 5.003 |
d0ee0d3d | 246 | print $F @outs; |
cea2e8a9 GS |
247 | } |
248 | print $F $trailer if $trailer; | |
d0ee0d3d | 249 | unless (ref $filename) { |
08858ed2 | 250 | safer_close($F); |
424a4936 | 251 | rename_if_different("$filename-new", $filename); |
36bb303b | 252 | } |
cea2e8a9 GS |
253 | } |
254 | ||
cea2e8a9 | 255 | # generate proto.h |
9516dc40 NC |
256 | { |
257 | my $pr = safer_open('proto.h-new'); | |
258 | print $pr do_not_edit ("proto.h"), "\nSTART_EXTERN_C\n"; | |
f8394530 | 259 | my $ret; |
9516dc40 NC |
260 | |
261 | foreach (@embed) { | |
262 | if (@$_ == 1) { | |
263 | print $pr "$_->[0]\n"; | |
264 | next; | |
265 | } | |
266 | ||
267 | my ($flags,$retval,$plain_func,@args) = @$_; | |
4373e329 AL |
268 | my @nonnull; |
269 | my $has_context = ( $flags !~ /n/ ); | |
88e01c9d AL |
270 | my $never_returns = ( $flags =~ /r/ ); |
271 | my $commented_out = ( $flags =~ /m/ ); | |
aa4ca557 | 272 | my $binarycompat = ( $flags =~ /b/ ); |
88e01c9d AL |
273 | my $is_malloc = ( $flags =~ /a/ ); |
274 | my $can_ignore = ( $flags !~ /R/ ) && !$is_malloc; | |
7918f24d NC |
275 | my @names_of_nn; |
276 | my $func; | |
88e01c9d AL |
277 | |
278 | my $splint_flags = ""; | |
279 | if ( $SPLINT && !$commented_out ) { | |
280 | $splint_flags .= '/*@noreturn@*/ ' if $never_returns; | |
281 | if ($can_ignore && ($retval ne 'void') && ($retval !~ /\*/)) { | |
282 | $retval .= " /*\@alt void\@*/"; | |
283 | } | |
284 | } | |
285 | ||
cea2e8a9 | 286 | if ($flags =~ /s/) { |
88e01c9d | 287 | $retval = "STATIC $splint_flags$retval"; |
7918f24d | 288 | $func = "S_$plain_func"; |
cea2e8a9 | 289 | } |
0cb96387 | 290 | else { |
88e01c9d | 291 | $retval = "PERL_CALLCONV $splint_flags$retval"; |
25b0f989 | 292 | if ($flags =~ /[bp]/) { |
7918f24d NC |
293 | $func = "Perl_$plain_func"; |
294 | } else { | |
295 | $func = $plain_func; | |
0cb96387 | 296 | } |
cea2e8a9 | 297 | } |
f8394530 | 298 | $ret = "$retval\t$func("; |
4373e329 AL |
299 | if ( $has_context ) { |
300 | $ret .= @args ? "pTHX_ " : "pTHX"; | |
cea2e8a9 GS |
301 | } |
302 | if (@args) { | |
4373e329 AL |
303 | my $n; |
304 | for my $arg ( @args ) { | |
305 | ++$n; | |
7827dc65 AL |
306 | if ( $arg =~ /\*/ && $arg !~ /\b(NN|NULLOK)\b/ ) { |
307 | warn "$func: $arg needs NN or NULLOK\n"; | |
7827dc65 AL |
308 | ++$unflagged_pointers; |
309 | } | |
88e01c9d AL |
310 | my $nn = ( $arg =~ s/\s*\bNN\b\s+// ); |
311 | push( @nonnull, $n ) if $nn; | |
312 | ||
313 | my $nullok = ( $arg =~ s/\s*\bNULLOK\b\s+// ); # strip NULLOK with no effect | |
c48640ec AL |
314 | |
315 | # Make sure each arg has at least a type and a var name. | |
316 | # An arg of "int" is valid C, but want it to be "int foo". | |
317 | my $temp_arg = $arg; | |
318 | $temp_arg =~ s/\*//g; | |
319 | $temp_arg =~ s/\s*\bstruct\b\s*/ /g; | |
7918f24d NC |
320 | if ( ($temp_arg ne "...") |
321 | && ($temp_arg !~ /\w+\s+(\w+)(?:\[\d+\])?\s*$/) ) { | |
322 | warn "$func: $arg ($n) doesn't have a name\n"; | |
c48640ec | 323 | } |
88e01c9d AL |
324 | if ( $SPLINT && $nullok && !$commented_out ) { |
325 | $arg = '/*@null@*/ ' . $arg; | |
326 | } | |
aa4ca557 | 327 | if (defined $1 && $nn && !($commented_out && !$binarycompat)) { |
7918f24d NC |
328 | push @names_of_nn, $1; |
329 | } | |
4373e329 | 330 | } |
cea2e8a9 GS |
331 | $ret .= join ", ", @args; |
332 | } | |
333 | else { | |
4373e329 | 334 | $ret .= "void" if !$has_context; |
cea2e8a9 GS |
335 | } |
336 | $ret .= ")"; | |
f54cb97a AL |
337 | my @attrs; |
338 | if ( $flags =~ /r/ ) { | |
abb2c242 | 339 | push @attrs, "__attribute__noreturn__"; |
f54cb97a | 340 | } |
a5c26493 RGS |
341 | if ( $flags =~ /D/ ) { |
342 | push @attrs, "__attribute__deprecated__"; | |
343 | } | |
88e01c9d | 344 | if ( $is_malloc ) { |
abb2c242 | 345 | push @attrs, "__attribute__malloc__"; |
f54cb97a | 346 | } |
88e01c9d | 347 | if ( !$can_ignore ) { |
abb2c242 | 348 | push @attrs, "__attribute__warn_unused_result__"; |
f54cb97a AL |
349 | } |
350 | if ( $flags =~ /P/ ) { | |
abb2c242 | 351 | push @attrs, "__attribute__pure__"; |
f54cb97a | 352 | } |
1c846c1f | 353 | if( $flags =~ /f/ ) { |
cdfeb707 RB |
354 | my $prefix = $has_context ? 'pTHX_' : ''; |
355 | my $args = scalar @args; | |
356 | my $pat = $args - 1; | |
357 | my $macro = @nonnull && $nonnull[-1] == $pat | |
358 | ? '__attribute__format__' | |
359 | : '__attribute__format__null_ok__'; | |
360 | push @attrs, sprintf "%s(__printf__,%s%d,%s%d)", $macro, | |
361 | $prefix, $pat, $prefix, $args; | |
894356b3 | 362 | } |
4373e329 | 363 | if ( @nonnull ) { |
3d42dc86 | 364 | my @pos = map { $has_context ? "pTHX_$_" : $_ } @nonnull; |
abb2c242 | 365 | push @attrs, map { sprintf( "__attribute__nonnull__(%s)", $_ ) } @pos; |
f54cb97a AL |
366 | } |
367 | if ( @attrs ) { | |
368 | $ret .= "\n"; | |
369 | $ret .= join( "\n", map { "\t\t\t$_" } @attrs ); | |
4373e329 | 370 | } |
af3c7592 | 371 | $ret .= ";"; |
88e01c9d | 372 | $ret = "/* $ret */" if $commented_out; |
7918f24d NC |
373 | if (@names_of_nn) { |
374 | $ret .= "\n#define PERL_ARGS_ASSERT_\U$plain_func\E\t\\\n\t" | |
375 | . join '; ', map "assert($_)", @names_of_nn; | |
376 | } | |
f54cb97a | 377 | $ret .= @attrs ? "\n\n" : "\n"; |
9516dc40 NC |
378 | |
379 | print $pr $ret; | |
cea2e8a9 | 380 | } |
9516dc40 NC |
381 | |
382 | print $pr "END_EXTERN_C\n/* ex: set ro: */\n"; | |
383 | ||
384 | safer_close($pr); | |
385 | rename_if_different('proto.h-new', 'proto.h'); | |
cea2e8a9 GS |
386 | } |
387 | ||
2b10efc6 NC |
388 | # generates global.sym (API export list) |
389 | { | |
390 | my %seen; | |
391 | sub write_global_sym { | |
2b10efc6 NC |
392 | if (@_ > 1) { |
393 | my ($flags,$retval,$func,@args) = @_; | |
2b10efc6 NC |
394 | if ($flags =~ /[AX]/ && $flags !~ /[xm]/ |
395 | || $flags =~ /b/) { # public API, so export | |
9be14afe NC |
396 | # If a function is defined twice, for example before and after |
397 | # an #else, only export its name once. | |
398 | return '' if $seen{$func}++; | |
2b10efc6 | 399 | $func = "Perl_$func" if $flags =~ /[pbX]/; |
f8394530 | 400 | return "$func\n"; |
2b10efc6 NC |
401 | } |
402 | } | |
f8394530 | 403 | return ''; |
2b10efc6 | 404 | } |
cea2e8a9 GS |
405 | } |
406 | ||
7827dc65 | 407 | warn "$unflagged_pointers pointer arguments to clean up\n" if $unflagged_pointers; |
1028dc3c | 408 | walk_table(\&write_global_sym, "global.sym", "# ex: set ro:\n"); |
cea2e8a9 | 409 | |
c6af7a1a GS |
410 | sub readvars(\%$$@) { |
411 | my ($syms, $file,$pre,$keep_pre) = @_; | |
d4cce5f1 NIS |
412 | local (*FILE, $_); |
413 | open(FILE, "< $file") | |
414 | or die "embed.pl: Can't open $file: $!\n"; | |
415 | while (<FILE>) { | |
416 | s/[ \t]*#.*//; # Delete comments. | |
27da23d5 | 417 | if (/PERLVARA?I?S?C?\($pre(\w+)/) { |
22c35a8c | 418 | my $sym = $1; |
c6af7a1a | 419 | $sym = $pre . $sym if $keep_pre; |
d1594dd0 | 420 | warn "duplicate symbol $sym while processing $file line $.\n" |
22c35a8c | 421 | if exists $$syms{$sym}; |
51371543 | 422 | $$syms{$sym} = $pre || 1; |
d4cce5f1 NIS |
423 | } |
424 | } | |
425 | close(FILE); | |
426 | } | |
427 | ||
428 | my %intrp; | |
88e01c9d | 429 | my %globvar; |
d4cce5f1 NIS |
430 | |
431 | readvars %intrp, 'intrpvar.h','I'; | |
22239a37 | 432 | readvars %globvar, 'perlvars.h','G'; |
d4cce5f1 | 433 | |
4543f4c0 | 434 | my $sym; |
d4cce5f1 | 435 | |
c6af7a1a GS |
436 | sub undefine ($) { |
437 | my ($sym) = @_; | |
438 | "#undef $sym\n"; | |
439 | } | |
440 | ||
125218eb NC |
441 | sub hide { |
442 | my ($from, $to, $indent) = @_; | |
443 | $indent = '' unless defined $indent; | |
444 | my $t = int(length("$indent$from") / 8); | |
445 | "#${indent}define $from" . "\t" x ($t < 3 ? 3 - $t : 1) . "$to\n"; | |
5f05dabc | 446 | } |
c6af7a1a | 447 | |
6f4183fe | 448 | sub bincompat_var ($$) { |
51371543 | 449 | my ($pfx, $sym) = @_; |
acfe0abc | 450 | my $arg = ($pfx eq 'G' ? 'NULL' : 'aTHX'); |
c5be433b | 451 | undefine("PL_$sym") . hide("PL_$sym", "(*Perl_${pfx}${sym}_ptr($arg))"); |
c6af7a1a GS |
452 | } |
453 | ||
d4cce5f1 NIS |
454 | sub multon ($$$) { |
455 | my ($sym,$pre,$ptr) = @_; | |
3280af22 | 456 | hide("PL_$sym", "($ptr$pre$sym)"); |
5f05dabc | 457 | } |
54aff467 | 458 | |
d4cce5f1 NIS |
459 | sub multoff ($$) { |
460 | my ($sym,$pre) = @_; | |
533c011a | 461 | return hide("PL_$pre$sym", "PL_$sym"); |
5f05dabc | 462 | } |
463 | ||
424a4936 | 464 | my $em = safer_open('embed.h-new'); |
e50aee73 | 465 | |
424a4936 | 466 | print $em do_not_edit ("embed.h"), <<'END'; |
e50aee73 AD |
467 | |
468 | /* (Doing namespace management portably in C is really gross.) */ | |
469 | ||
d51482e4 JH |
470 | /* By defining PERL_NO_SHORT_NAMES (not done by default) the short forms |
471 | * (like warn instead of Perl_warn) for the API are not defined. | |
472 | * Not defining the short forms is a good thing for cleaner embedding. */ | |
473 | ||
474 | #ifndef PERL_NO_SHORT_NAMES | |
820c3be9 | 475 | |
22c35a8c | 476 | /* Hide global symbols */ |
5f05dabc | 477 | |
e50aee73 AD |
478 | END |
479 | ||
cea2e8a9 GS |
480 | my @az = ('a'..'z'); |
481 | ||
e8a67806 NC |
482 | sub embed_h { |
483 | my ($guard, $funcs) = @_; | |
484 | print $em "$guard\n" if $guard; | |
485 | ||
2a4d8072 | 486 | my $lines; |
e8a67806 NC |
487 | foreach (@$funcs) { |
488 | if (@$_ == 1) { | |
489 | my $cond = $_->[0]; | |
490 | # Indent the conditionals if we are wrapped in an #if/#endif pair. | |
491 | $cond =~ s/#(.*)/# $1/ if $guard; | |
2a4d8072 | 492 | $lines .= "$cond\n"; |
e8a67806 NC |
493 | next; |
494 | } | |
495 | my $ret = ""; | |
496 | my ($flags,$retval,$func,@args) = @$_; | |
af3c7592 | 497 | unless ($flags =~ /[om]/) { |
cea2e8a9 | 498 | my $args = scalar @args; |
7a5a24f7 | 499 | if ($flags =~ /n/) { |
cea2e8a9 | 500 | if ($flags =~ /s/) { |
f8394530 | 501 | $ret = hide($func,"S_$func"); |
cea2e8a9 GS |
502 | } |
503 | elsif ($flags =~ /p/) { | |
f8394530 | 504 | $ret = hide($func,"Perl_$func"); |
cea2e8a9 GS |
505 | } |
506 | } | |
7a5a24f7 | 507 | elsif ($args and $args[$args-1] =~ /\.\.\./) { |
e64ca59f NC |
508 | if ($flags =~ /p/) { |
509 | # we're out of luck for varargs functions under CPP | |
510 | # So we can only do these macros for no implicit context: | |
511 | $ret = "#ifndef PERL_IMPLICIT_CONTEXT\n" | |
512 | . hide($func,"Perl_$func") . "#endif\n"; | |
513 | } | |
7a5a24f7 | 514 | } |
cea2e8a9 GS |
515 | else { |
516 | my $alist = join(",", @az[0..$args-1]); | |
517 | $ret = "#define $func($alist)"; | |
518 | my $t = int(length($ret) / 8); | |
519 | $ret .= "\t" x ($t < 4 ? 4 - $t : 1); | |
520 | if ($flags =~ /s/) { | |
521 | $ret .= "S_$func(aTHX"; | |
522 | } | |
523 | elsif ($flags =~ /p/) { | |
524 | $ret .= "Perl_$func(aTHX"; | |
525 | } | |
526 | $ret .= "_ " if $alist; | |
527 | $ret .= $alist . ")\n"; | |
528 | } | |
529 | } | |
2a4d8072 | 530 | $lines .= $ret; |
cea2e8a9 | 531 | } |
2a4d8072 NC |
532 | # Prune empty #if/#endif pairs. |
533 | while ($lines =~ s/#\s*if[^\n]+\n#\s*endif\n//) { | |
534 | } | |
b2e549c0 NC |
535 | # Merge adjacent blocks. |
536 | while ($lines =~ s/(#ifndef PERL_IMPLICIT_CONTEXT | |
537 | [^\n]+ | |
538 | )#endif | |
539 | #ifndef PERL_IMPLICIT_CONTEXT | |
540 | /$1/) { | |
541 | } | |
542 | ||
2a4d8072 | 543 | print $em $lines; |
e8a67806 | 544 | print $em "#endif\n" if $guard; |
da4ddda1 NC |
545 | } |
546 | ||
e8a67806 NC |
547 | embed_h('', \@api); |
548 | embed_h('#if defined(PERL_CORE) || defined(PERL_EXT)', \@ext); | |
549 | embed_h('#ifdef PERL_CORE', \@core); | |
550 | ||
424a4936 | 551 | print $em <<'END'; |
e50aee73 | 552 | |
d51482e4 | 553 | #endif /* #ifndef PERL_NO_SHORT_NAMES */ |
35209cc8 | 554 | |
cea2e8a9 GS |
555 | /* Compatibility stubs. Compile extensions with -DPERL_NOCOMPAT to |
556 | disable them. | |
557 | */ | |
558 | ||
538feb02 | 559 | #if !defined(PERL_CORE) |
5bc28da9 | 560 | # define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,PTR2IV(ptr)) |
a0714e2c | 561 | # define sv_setptrref(rv,ptr) sv_setref_iv(rv,NULL,PTR2IV(ptr)) |
538feb02 | 562 | #endif |
cea2e8a9 | 563 | |
08e5223a | 564 | #if !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) |
cea2e8a9 GS |
565 | |
566 | /* Compatibility for various misnamed functions. All functions | |
567 | in the API that begin with "perl_" (not "Perl_") take an explicit | |
568 | interpreter context pointer. | |
569 | The following are not like that, but since they had a "perl_" | |
570 | prefix in previous versions, we provide compatibility macros. | |
571 | */ | |
65cec589 | 572 | # define perl_atexit(a,b) call_atexit(a,b) |
7b53c8ee NC |
573 | END |
574 | ||
575 | walk_table { | |
576 | my ($flags,$retval,$func,@args) = @_; | |
577 | return unless $func; | |
578 | return unless $flags =~ /O/; | |
579 | ||
580 | my $alist = join ",", @az[0..$#args]; | |
581 | my $ret = "# define perl_$func($alist)"; | |
582 | my $t = (length $ret) >> 3; | |
583 | $ret .= "\t" x ($t < 5 ? 5 - $t : 1); | |
584 | "$ret$func($alist)\n"; | |
1028dc3c | 585 | } $em; |
7b53c8ee NC |
586 | |
587 | print $em <<'END'; | |
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) |
125218eb NC |
595 | END |
596 | ||
597 | foreach (sort keys %has_va) { | |
598 | next unless $has_nocontext{$_}; | |
599 | next if /printf/; # Not clear to me why these are skipped but they are. | |
600 | print $em hide($_, "Perl_${_}_nocontext", " "); | |
601 | } | |
602 | ||
603 | print $em <<'END'; | |
cea2e8a9 GS |
604 | #endif |
605 | ||
606 | #endif /* !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) */ | |
607 | ||
608 | #if !defined(PERL_IMPLICIT_CONTEXT) | |
609 | /* undefined symbols, point them back at the usual ones */ | |
125218eb NC |
610 | END |
611 | ||
612 | foreach (sort keys %has_va) { | |
613 | next unless $has_nocontext{$_}; | |
614 | next if /printf/; # Not clear to me why these are skipped but they are. | |
615 | print $em hide("Perl_${_}_nocontext", "Perl_$_", " "); | |
616 | } | |
617 | ||
618 | print $em <<'END'; | |
cea2e8a9 | 619 | #endif |
db5cf5a9 | 620 | |
37442d52 | 621 | /* ex: set ro: */ |
d4cce5f1 NIS |
622 | END |
623 | ||
08858ed2 | 624 | safer_close($em); |
424a4936 | 625 | rename_if_different('embed.h-new', 'embed.h'); |
d4cce5f1 | 626 | |
424a4936 | 627 | $em = safer_open('embedvar.h-new'); |
d4cce5f1 | 628 | |
424a4936 | 629 | print $em do_not_edit ("embedvar.h"), <<'END'; |
d4cce5f1 NIS |
630 | |
631 | /* (Doing namespace management portably in C is really gross.) */ | |
632 | ||
54aff467 | 633 | /* |
3db8f154 MB |
634 | The following combinations of MULTIPLICITY and PERL_IMPLICIT_CONTEXT |
635 | are supported: | |
54aff467 GS |
636 | 1) none |
637 | 2) MULTIPLICITY # supported for compatibility | |
638 | 3) MULTIPLICITY && PERL_IMPLICIT_CONTEXT | |
54aff467 GS |
639 | |
640 | All other combinations of these flags are errors. | |
641 | ||
3db8f154 | 642 | only #3 is supported directly, while #2 is a special |
54aff467 GS |
643 | case of #3 (supported by redefining vTHX appropriately). |
644 | */ | |
cea2e8a9 | 645 | |
54aff467 | 646 | #if defined(MULTIPLICITY) |
3db8f154 | 647 | /* cases 2 and 3 above */ |
cea2e8a9 | 648 | |
54aff467 GS |
649 | # if defined(PERL_IMPLICIT_CONTEXT) |
650 | # define vTHX aTHX | |
651 | # else | |
652 | # define vTHX PERL_GET_INTERP | |
653 | # endif | |
cea2e8a9 | 654 | |
e50aee73 AD |
655 | END |
656 | ||
d4cce5f1 | 657 | for $sym (sort keys %intrp) { |
424a4936 | 658 | print $em multon($sym,'I','vTHX->'); |
d4cce5f1 NIS |
659 | } |
660 | ||
424a4936 | 661 | print $em <<'END'; |
d4cce5f1 | 662 | |
54aff467 | 663 | #else /* !MULTIPLICITY */ |
1d7c1841 | 664 | |
3db8f154 | 665 | /* case 1 above */ |
5f05dabc | 666 | |
56d28764 | 667 | END |
e50aee73 | 668 | |
d4cce5f1 | 669 | for $sym (sort keys %intrp) { |
424a4936 | 670 | print $em multoff($sym,'I'); |
d4cce5f1 NIS |
671 | } |
672 | ||
424a4936 | 673 | print $em <<'END'; |
d4cce5f1 | 674 | |
d4cce5f1 NIS |
675 | END |
676 | ||
424a4936 | 677 | print $em <<'END'; |
d4cce5f1 | 678 | |
54aff467 | 679 | #endif /* MULTIPLICITY */ |
d4cce5f1 | 680 | |
54aff467 | 681 | #if defined(PERL_GLOBAL_STRUCT) |
22239a37 NIS |
682 | |
683 | END | |
684 | ||
685 | for $sym (sort keys %globvar) { | |
424a4936 NC |
686 | print $em multon($sym, 'G','my_vars->'); |
687 | print $em multon("G$sym",'', 'my_vars->'); | |
22239a37 NIS |
688 | } |
689 | ||
424a4936 | 690 | print $em <<'END'; |
22239a37 NIS |
691 | |
692 | #else /* !PERL_GLOBAL_STRUCT */ | |
693 | ||
694 | END | |
695 | ||
696 | for $sym (sort keys %globvar) { | |
424a4936 | 697 | print $em multoff($sym,'G'); |
22239a37 NIS |
698 | } |
699 | ||
424a4936 | 700 | print $em <<'END'; |
22239a37 | 701 | |
22239a37 NIS |
702 | #endif /* PERL_GLOBAL_STRUCT */ |
703 | ||
37442d52 | 704 | /* ex: set ro: */ |
84fee439 NIS |
705 | END |
706 | ||
08858ed2 | 707 | safer_close($em); |
424a4936 | 708 | rename_if_different('embedvar.h-new', 'embedvar.h'); |
c6af7a1a | 709 | |
424a4936 NC |
710 | my $capi = safer_open('perlapi.c-new'); |
711 | my $capih = safer_open('perlapi.h-new'); | |
51371543 | 712 | |
424a4936 | 713 | print $capih do_not_edit ("perlapi.h"), <<'EOT'; |
51371543 | 714 | |
51371543 | 715 | /* declare accessor functions for Perl variables */ |
6f4183fe GS |
716 | #ifndef __perlapi_h__ |
717 | #define __perlapi_h__ | |
51371543 | 718 | |
87b9e160 | 719 | #if defined (MULTIPLICITY) && defined (PERL_GLOBAL_STRUCT) |
c5be433b | 720 | |
51371543 GS |
721 | START_EXTERN_C |
722 | ||
723 | #undef PERLVAR | |
724 | #undef PERLVARA | |
725 | #undef PERLVARI | |
726 | #undef PERLVARIC | |
27da23d5 | 727 | #undef PERLVARISC |
acfe0abc | 728 | #define PERLVAR(v,t) EXTERN_C t* Perl_##v##_ptr(pTHX); |
51371543 | 729 | #define PERLVARA(v,n,t) typedef t PL_##v##_t[n]; \ |
acfe0abc | 730 | EXTERN_C PL_##v##_t* Perl_##v##_ptr(pTHX); |
51371543 | 731 | #define PERLVARI(v,t,i) PERLVAR(v,t) |
c5be433b | 732 | #define PERLVARIC(v,t,i) PERLVAR(v, const t) |
27da23d5 JH |
733 | #define PERLVARISC(v,i) typedef const char PL_##v##_t[sizeof(i)]; \ |
734 | EXTERN_C PL_##v##_t* Perl_##v##_ptr(pTHX); | |
51371543 | 735 | |
51371543 GS |
736 | #include "perlvars.h" |
737 | ||
738 | #undef PERLVAR | |
739 | #undef PERLVARA | |
740 | #undef PERLVARI | |
741 | #undef PERLVARIC | |
27da23d5 JH |
742 | #undef PERLVARISC |
743 | ||
51371543 GS |
744 | END_EXTERN_C |
745 | ||
682fc664 | 746 | #if defined(PERL_CORE) |
6f4183fe | 747 | |
87b9e160 | 748 | /* accessor functions for Perl "global" variables */ |
682fc664 GS |
749 | |
750 | /* these need to be mentioned here, or most linkers won't put them in | |
751 | the perl executable */ | |
752 | ||
753 | #ifndef PERL_NO_FORCE_LINK | |
754 | ||
755 | START_EXTERN_C | |
756 | ||
757 | #ifndef DOINIT | |
27da23d5 | 758 | EXTCONST void * const PL_force_link_funcs[]; |
682fc664 | 759 | #else |
27da23d5 | 760 | EXTCONST void * const PL_force_link_funcs[] = { |
682fc664 GS |
761 | #undef PERLVAR |
762 | #undef PERLVARA | |
763 | #undef PERLVARI | |
764 | #undef PERLVARIC | |
ea1f607c | 765 | #define PERLVAR(v,t) (void*)Perl_##v##_ptr, |
682fc664 GS |
766 | #define PERLVARA(v,n,t) PERLVAR(v,t) |
767 | #define PERLVARI(v,t,i) PERLVAR(v,t) | |
768 | #define PERLVARIC(v,t,i) PERLVAR(v,t) | |
27da23d5 | 769 | #define PERLVARISC(v,i) PERLVAR(v,char) |
682fc664 | 770 | |
3c0f78ca JH |
771 | /* In Tru64 (__DEC && __osf__) the cc option -std1 causes that one |
772 | * cannot cast between void pointers and function pointers without | |
773 | * info level warnings. The PL_force_link_funcs[] would cause a few | |
774 | * hundred of those warnings. In code one can circumnavigate this by using | |
775 | * unions that overlay the different pointers, but in declarations one | |
776 | * cannot use this trick. Therefore we just disable the warning here | |
777 | * for the duration of the PL_force_link_funcs[] declaration. */ | |
778 | ||
779 | #if defined(__DECC) && defined(__osf__) | |
780 | #pragma message save | |
781 | #pragma message disable (nonstandcast) | |
782 | #endif | |
783 | ||
682fc664 GS |
784 | #include "perlvars.h" |
785 | ||
3c0f78ca JH |
786 | #if defined(__DECC) && defined(__osf__) |
787 | #pragma message restore | |
788 | #endif | |
789 | ||
682fc664 GS |
790 | #undef PERLVAR |
791 | #undef PERLVARA | |
792 | #undef PERLVARI | |
793 | #undef PERLVARIC | |
27da23d5 | 794 | #undef PERLVARISC |
682fc664 GS |
795 | }; |
796 | #endif /* DOINIT */ | |
797 | ||
acfe0abc | 798 | END_EXTERN_C |
682fc664 GS |
799 | |
800 | #endif /* PERL_NO_FORCE_LINK */ | |
801 | ||
802 | #else /* !PERL_CORE */ | |
51371543 GS |
803 | |
804 | EOT | |
805 | ||
4543f4c0 | 806 | foreach $sym (sort keys %globvar) { |
424a4936 | 807 | print $capih bincompat_var('G',$sym); |
6f4183fe GS |
808 | } |
809 | ||
424a4936 | 810 | print $capih <<'EOT'; |
6f4183fe GS |
811 | |
812 | #endif /* !PERL_CORE */ | |
87b9e160 | 813 | #endif /* MULTIPLICITY && PERL_GLOBAL_STRUCT */ |
6f4183fe GS |
814 | |
815 | #endif /* __perlapi_h__ */ | |
816 | ||
37442d52 | 817 | /* ex: set ro: */ |
6f4183fe | 818 | EOT |
08858ed2 | 819 | safer_close($capih); |
424a4936 | 820 | rename_if_different('perlapi.h-new', 'perlapi.h'); |
51371543 | 821 | |
424a4936 | 822 | print $capi do_not_edit ("perlapi.c"), <<'EOT'; |
51371543 GS |
823 | |
824 | #include "EXTERN.h" | |
825 | #include "perl.h" | |
826 | #include "perlapi.h" | |
827 | ||
87b9e160 | 828 | #if defined (MULTIPLICITY) && defined (PERL_GLOBAL_STRUCT) |
51371543 | 829 | |
87b9e160 | 830 | /* accessor functions for Perl "global" variables */ |
51371543 GS |
831 | START_EXTERN_C |
832 | ||
51371543 | 833 | #undef PERLVARI |
87b9e160 | 834 | #define PERLVARI(v,t,i) PERLVAR(v,t) |
c5be433b GS |
835 | |
836 | #undef PERLVAR | |
837 | #undef PERLVARA | |
acfe0abc | 838 | #define PERLVAR(v,t) t* Perl_##v##_ptr(pTHX) \ |
96a5add6 | 839 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
acfe0abc | 840 | #define PERLVARA(v,n,t) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
96a5add6 | 841 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
34f7a5fe | 842 | #undef PERLVARIC |
27da23d5 JH |
843 | #undef PERLVARISC |
844 | #define PERLVARIC(v,t,i) \ | |
845 | const t* Perl_##v##_ptr(pTHX) \ | |
96a5add6 | 846 | { PERL_UNUSED_CONTEXT; return (const t *)&(PL_##v); } |
27da23d5 | 847 | #define PERLVARISC(v,i) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
96a5add6 | 848 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
51371543 GS |
849 | #include "perlvars.h" |
850 | ||
851 | #undef PERLVAR | |
852 | #undef PERLVARA | |
853 | #undef PERLVARI | |
854 | #undef PERLVARIC | |
27da23d5 JH |
855 | #undef PERLVARISC |
856 | ||
acfe0abc | 857 | END_EXTERN_C |
6f4183fe | 858 | |
87b9e160 | 859 | #endif /* MULTIPLICITY && PERL_GLOBAL_STRUCT */ |
37442d52 RGS |
860 | |
861 | /* ex: set ro: */ | |
51371543 GS |
862 | EOT |
863 | ||
08858ed2 | 864 | safer_close($capi); |
424a4936 | 865 | rename_if_different('perlapi.c-new', 'perlapi.c'); |
acfe0abc | 866 | |
1b6737cc | 867 | # ex: set ts=8 sts=4 sw=4 noet: |