Commit | Line | Data |
5f05dabc |
1 | #!/usr/bin/perl -w |
e50aee73 |
2 | |
954c1994 |
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 |
6 | use strict; |
7 | |
36bb303b |
8 | BEGIN { |
9 | # Get function prototypes |
9ad884cb |
10 | require 'regen_lib.pl'; |
36bb303b |
11 | } |
12 | |
88e01c9d |
13 | my $SPLINT = 0; # Turn true for experimental splint support http://www.splint.org |
14 | |
cea2e8a9 |
15 | # |
346f75ff |
16 | # See database of global and static function prototypes in embed.fnc |
cea2e8a9 |
17 | # This is used to generate prototype headers under various configurations, |
18 | # export symbols lists for different platforms, and macros to provide an |
19 | # implicit interpreter context argument. |
20 | # |
21 | |
7f1be197 |
22 | sub do_not_edit ($) |
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 |
27 | |
28 | $years =~ s/1999,/1999,\n / if length $years > 40; |
29 | |
7f1be197 |
30 | my $warning = <<EOW; |
37442d52 |
31 | -*- buffer-read-only: t -*- |
7f1be197 |
32 | |
33 | $file |
34 | |
4bb101f2 |
35 | Copyright (C) $years, by Larry Wall and others |
7f1be197 |
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 |
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 |
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 |
59 | $warning =~ s:^: * :gm; |
60 | $warning =~ s: +$::gm; |
61 | $warning =~ s: :/:; |
62 | $warning =~ s:$:/:; |
7f1be197 |
63 | } |
64 | else { |
0ea9712b |
65 | $warning =~ s:^:# :gm; |
66 | $warning =~ s: +$::gm; |
7f1be197 |
67 | } |
68 | $warning; |
69 | } # do_not_edit |
70 | |
94bdecf9 |
71 | open IN, "embed.fnc" or die $!; |
cea2e8a9 |
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 |
78 | my $leader = shift; |
79 | defined $leader or $leader = do_not_edit ($filename); |
cea2e8a9 |
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 |
90 | $F = \*F; |
91 | } |
92 | print $F $leader if $leader; |
94bdecf9 |
93 | seek IN, 0, 0; # so we may restart |
94 | while (<IN>) { |
cea2e8a9 |
95 | chomp; |
1d7c1841 |
96 | next if /^:/; |
cea2e8a9 |
97 | while (s|\\$||) { |
94bdecf9 |
98 | $_ .= <IN>; |
cea2e8a9 |
99 | chomp; |
100 | } |
23f1b5c3 |
101 | s/\s+$//; |
cea2e8a9 |
102 | my @args; |
103 | if (/^\s*(#|$)/) { |
104 | @args = $_; |
105 | } |
106 | else { |
107 | @args = split /\s*\|\s*/, $_; |
108 | } |
4373e329 |
109 | my @outs = &{$function}(@args); |
110 | print $F @outs; # $function->(@args) is not 5.003 |
cea2e8a9 |
111 | } |
112 | print $F $trailer if $trailer; |
36bb303b |
113 | unless (ref $filename) { |
114 | close $F or die "Error closing $filename: $!"; |
115 | } |
cea2e8a9 |
116 | } |
117 | |
118 | sub munge_c_files () { |
119 | my $functions = {}; |
120 | unless (@ARGV) { |
4373e329 |
121 | warn "\@ARGV empty, nothing to do\n"; |
cea2e8a9 |
122 | return; |
123 | } |
124 | walk_table { |
125 | if (@_ > 1) { |
126 | $functions->{$_[2]} = \@_ if $_[@_-1] =~ /\.\.\./; |
127 | } |
37442d52 |
128 | } '/dev/null', '', ''; |
cea2e8a9 |
129 | local $^I = '.bak'; |
130 | while (<>) { |
cea2e8a9 |
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 |
150 | my $wrote_protected = 0; |
151 | |
cea2e8a9 |
152 | sub write_protos { |
153 | my $ret = ""; |
154 | if (@_ == 1) { |
155 | my $arg = shift; |
1d7c1841 |
156 | $ret .= "$arg\n"; |
cea2e8a9 |
157 | } |
158 | else { |
7918f24d |
159 | my ($flags,$retval,$plain_func,@args) = @_; |
4373e329 |
160 | my @nonnull; |
161 | my $has_context = ( $flags !~ /n/ ); |
88e01c9d |
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; |
7918f24d |
166 | my @names_of_nn; |
167 | my $func; |
88e01c9d |
168 | |
169 | my $splint_flags = ""; |
170 | if ( $SPLINT && !$commented_out ) { |
171 | $splint_flags .= '/*@noreturn@*/ ' if $never_returns; |
172 | if ($can_ignore && ($retval ne 'void') && ($retval !~ /\*/)) { |
173 | $retval .= " /*\@alt void\@*/"; |
174 | } |
175 | } |
176 | |
cea2e8a9 |
177 | if ($flags =~ /s/) { |
88e01c9d |
178 | $retval = "STATIC $splint_flags$retval"; |
7918f24d |
179 | $func = "S_$plain_func"; |
cea2e8a9 |
180 | } |
0cb96387 |
181 | else { |
88e01c9d |
182 | $retval = "PERL_CALLCONV $splint_flags$retval"; |
25b0f989 |
183 | if ($flags =~ /[bp]/) { |
7918f24d |
184 | $func = "Perl_$plain_func"; |
185 | } else { |
186 | $func = $plain_func; |
0cb96387 |
187 | } |
cea2e8a9 |
188 | } |
189 | $ret .= "$retval\t$func("; |
4373e329 |
190 | if ( $has_context ) { |
191 | $ret .= @args ? "pTHX_ " : "pTHX"; |
cea2e8a9 |
192 | } |
193 | if (@args) { |
4373e329 |
194 | my $n; |
195 | for my $arg ( @args ) { |
196 | ++$n; |
7827dc65 |
197 | if ( $arg =~ /\*/ && $arg !~ /\b(NN|NULLOK)\b/ ) { |
198 | warn "$func: $arg needs NN or NULLOK\n"; |
199 | our $unflagged_pointers; |
200 | ++$unflagged_pointers; |
201 | } |
88e01c9d |
202 | my $nn = ( $arg =~ s/\s*\bNN\b\s+// ); |
203 | push( @nonnull, $n ) if $nn; |
204 | |
205 | my $nullok = ( $arg =~ s/\s*\bNULLOK\b\s+// ); # strip NULLOK with no effect |
c48640ec |
206 | |
207 | # Make sure each arg has at least a type and a var name. |
208 | # An arg of "int" is valid C, but want it to be "int foo". |
209 | my $temp_arg = $arg; |
210 | $temp_arg =~ s/\*//g; |
211 | $temp_arg =~ s/\s*\bstruct\b\s*/ /g; |
7918f24d |
212 | if ( ($temp_arg ne "...") |
213 | && ($temp_arg !~ /\w+\s+(\w+)(?:\[\d+\])?\s*$/) ) { |
214 | warn "$func: $arg ($n) doesn't have a name\n"; |
c48640ec |
215 | } |
88e01c9d |
216 | if ( $SPLINT && $nullok && !$commented_out ) { |
217 | $arg = '/*@null@*/ ' . $arg; |
218 | } |
7918f24d |
219 | if (defined $1 && $nn) { |
220 | push @names_of_nn, $1; |
221 | } |
4373e329 |
222 | } |
cea2e8a9 |
223 | $ret .= join ", ", @args; |
224 | } |
225 | else { |
4373e329 |
226 | $ret .= "void" if !$has_context; |
cea2e8a9 |
227 | } |
228 | $ret .= ")"; |
f54cb97a |
229 | my @attrs; |
230 | if ( $flags =~ /r/ ) { |
abb2c242 |
231 | push @attrs, "__attribute__noreturn__"; |
f54cb97a |
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 |
238 | } |
239 | if ( $flags =~ /P/ ) { |
abb2c242 |
240 | push @attrs, "__attribute__pure__"; |
f54cb97a |
241 | } |
1c846c1f |
242 | if( $flags =~ /f/ ) { |
cdfeb707 |
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 |
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 |
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 |
267 | } |
268 | $ret; |
269 | } |
270 | |
2b10efc6 |
271 | # generates global.sym (API export list) |
272 | { |
273 | my %seen; |
274 | sub write_global_sym { |
275 | my $ret = ""; |
276 | if (@_ > 1) { |
277 | my ($flags,$retval,$func,@args) = @_; |
278 | # If a function is defined twice, for example before and after an |
279 | # #else, only process the flags on the first instance for global.sym |
280 | return $ret if $seen{$func}++; |
281 | if ($flags =~ /[AX]/ && $flags !~ /[xm]/ |
282 | || $flags =~ /b/) { # public API, so export |
283 | $func = "Perl_$func" if $flags =~ /[pbX]/; |
284 | $ret = "$func\n"; |
285 | } |
286 | } |
287 | $ret; |
288 | } |
cea2e8a9 |
289 | } |
290 | |
2b10efc6 |
291 | |
7827dc65 |
292 | our $unflagged_pointers; |
37442d52 |
293 | walk_table(\&write_protos, "proto.h", undef, "/* ex: set ro: */\n"); |
7827dc65 |
294 | warn "$unflagged_pointers pointer arguments to clean up\n" if $unflagged_pointers; |
37442d52 |
295 | walk_table(\&write_global_sym, "global.sym", undef, "# ex: set ro:\n"); |
cea2e8a9 |
296 | |
709f4e38 |
297 | # XXX others that may need adding |
298 | # warnhook |
299 | # hints |
300 | # copline |
84fee439 |
301 | my @extvars = qw(sv_undef sv_yes sv_no na dowarn |
4373e329 |
302 | curcop compiling |
303 | tainting tainted stack_base stack_sp sv_arenaroot |
256a4781 |
304 | no_modify |
4373e329 |
305 | curstash DBsub DBsingle DBassertion debstash |
306 | rsfp |
307 | stdingv |
6b88bc9c |
308 | defgv |
309 | errgv |
3070f6ec |
310 | rsfp_filters |
311 | perldb |
709f4e38 |
312 | diehook |
313 | dirty |
314 | perl_destruct_level |
ac634a9a |
315 | ppaddr |
84fee439 |
316 | ); |
317 | |
5f05dabc |
318 | sub readsyms (\%$) { |
319 | my ($syms, $file) = @_; |
5f05dabc |
320 | local (*FILE, $_); |
321 | open(FILE, "< $file") |
322 | or die "embed.pl: Can't open $file: $!\n"; |
323 | while (<FILE>) { |
324 | s/[ \t]*#.*//; # Delete comments. |
325 | if (/^\s*(\S+)\s*$/) { |
22c35a8c |
326 | my $sym = $1; |
d1594dd0 |
327 | warn "duplicate symbol $sym while processing $file line $.\n" |
22c35a8c |
328 | if exists $$syms{$sym}; |
329 | $$syms{$sym} = 1; |
5f05dabc |
330 | } |
331 | } |
332 | close(FILE); |
333 | } |
334 | |
cea2e8a9 |
335 | # Perl_pp_* and Perl_ck_* are in pp.sym |
336 | readsyms my %ppsym, 'pp.sym'; |
5f05dabc |
337 | |
c6af7a1a |
338 | sub readvars(\%$$@) { |
339 | my ($syms, $file,$pre,$keep_pre) = @_; |
d4cce5f1 |
340 | local (*FILE, $_); |
341 | open(FILE, "< $file") |
342 | or die "embed.pl: Can't open $file: $!\n"; |
343 | while (<FILE>) { |
344 | s/[ \t]*#.*//; # Delete comments. |
27da23d5 |
345 | if (/PERLVARA?I?S?C?\($pre(\w+)/) { |
22c35a8c |
346 | my $sym = $1; |
c6af7a1a |
347 | $sym = $pre . $sym if $keep_pre; |
d1594dd0 |
348 | warn "duplicate symbol $sym while processing $file line $.\n" |
22c35a8c |
349 | if exists $$syms{$sym}; |
51371543 |
350 | $$syms{$sym} = $pre || 1; |
d4cce5f1 |
351 | } |
352 | } |
353 | close(FILE); |
354 | } |
355 | |
356 | my %intrp; |
88e01c9d |
357 | my %globvar; |
d4cce5f1 |
358 | |
359 | readvars %intrp, 'intrpvar.h','I'; |
22239a37 |
360 | readvars %globvar, 'perlvars.h','G'; |
d4cce5f1 |
361 | |
4543f4c0 |
362 | my $sym; |
d4cce5f1 |
363 | |
c6af7a1a |
364 | sub undefine ($) { |
365 | my ($sym) = @_; |
366 | "#undef $sym\n"; |
367 | } |
368 | |
5f05dabc |
369 | sub hide ($$) { |
370 | my ($from, $to) = @_; |
371 | my $t = int(length($from) / 8); |
372 | "#define $from" . "\t" x ($t < 3 ? 3 - $t : 1) . "$to\n"; |
373 | } |
c6af7a1a |
374 | |
6f4183fe |
375 | sub bincompat_var ($$) { |
51371543 |
376 | my ($pfx, $sym) = @_; |
acfe0abc |
377 | my $arg = ($pfx eq 'G' ? 'NULL' : 'aTHX'); |
c5be433b |
378 | undefine("PL_$sym") . hide("PL_$sym", "(*Perl_${pfx}${sym}_ptr($arg))"); |
c6af7a1a |
379 | } |
380 | |
d4cce5f1 |
381 | sub multon ($$$) { |
382 | my ($sym,$pre,$ptr) = @_; |
3280af22 |
383 | hide("PL_$sym", "($ptr$pre$sym)"); |
5f05dabc |
384 | } |
54aff467 |
385 | |
d4cce5f1 |
386 | sub multoff ($$) { |
387 | my ($sym,$pre) = @_; |
533c011a |
388 | return hide("PL_$pre$sym", "PL_$sym"); |
5f05dabc |
389 | } |
390 | |
36bb303b |
391 | safer_unlink 'embed.h'; |
cea2e8a9 |
392 | open(EM, '> embed.h') or die "Can't create embed.h: $!\n"; |
dfb1454f |
393 | binmode EM; |
e50aee73 |
394 | |
7f1be197 |
395 | print EM do_not_edit ("embed.h"), <<'END'; |
e50aee73 |
396 | |
397 | /* (Doing namespace management portably in C is really gross.) */ |
398 | |
d51482e4 |
399 | /* By defining PERL_NO_SHORT_NAMES (not done by default) the short forms |
400 | * (like warn instead of Perl_warn) for the API are not defined. |
401 | * Not defining the short forms is a good thing for cleaner embedding. */ |
402 | |
403 | #ifndef PERL_NO_SHORT_NAMES |
820c3be9 |
404 | |
22c35a8c |
405 | /* Hide global symbols */ |
5f05dabc |
406 | |
cea2e8a9 |
407 | #if !defined(PERL_IMPLICIT_CONTEXT) |
e50aee73 |
408 | |
e50aee73 |
409 | END |
410 | |
da4ddda1 |
411 | # Try to elimiate lots of repeated |
412 | # #ifdef PERL_CORE |
413 | # foo |
414 | # #endif |
415 | # #ifdef PERL_CORE |
416 | # bar |
417 | # #endif |
418 | # by tracking state and merging foo and bar into one block. |
419 | my $ifdef_state = ''; |
420 | |
cea2e8a9 |
421 | walk_table { |
422 | my $ret = ""; |
da4ddda1 |
423 | my $new_ifdef_state = ''; |
cea2e8a9 |
424 | if (@_ == 1) { |
425 | my $arg = shift; |
12a98ad5 |
426 | $ret .= "$arg\n" if $arg =~ /^#\s*(if|ifn?def|else|endif)\b/; |
cea2e8a9 |
427 | } |
428 | else { |
429 | my ($flags,$retval,$func,@args) = @_; |
af3c7592 |
430 | unless ($flags =~ /[om]/) { |
cea2e8a9 |
431 | if ($flags =~ /s/) { |
432 | $ret .= hide($func,"S_$func"); |
433 | } |
434 | elsif ($flags =~ /p/) { |
435 | $ret .= hide($func,"Perl_$func"); |
436 | } |
437 | } |
47e67c64 |
438 | if ($ret ne '' && $flags !~ /A/) { |
de37762f |
439 | if ($flags =~ /E/) { |
da4ddda1 |
440 | $new_ifdef_state |
441 | = "#if defined(PERL_CORE) || defined(PERL_EXT)\n"; |
442 | } |
443 | else { |
444 | $new_ifdef_state = "#ifdef PERL_CORE\n"; |
445 | } |
446 | |
447 | if ($new_ifdef_state ne $ifdef_state) { |
448 | $ret = $new_ifdef_state . $ret; |
de37762f |
449 | } |
450 | } |
cea2e8a9 |
451 | } |
da4ddda1 |
452 | if ($ifdef_state && $new_ifdef_state ne $ifdef_state) { |
453 | # Close the old one ahead of opening the new one. |
454 | $ret = "#endif\n$ret"; |
455 | } |
456 | # Remember the new state. |
457 | $ifdef_state = $new_ifdef_state; |
cea2e8a9 |
458 | $ret; |
0ea9712b |
459 | } \*EM, ""; |
cea2e8a9 |
460 | |
da4ddda1 |
461 | if ($ifdef_state) { |
462 | print EM "#endif\n"; |
463 | } |
464 | |
cea2e8a9 |
465 | for $sym (sort keys %ppsym) { |
466 | $sym =~ s/^Perl_//; |
467 | print EM hide($sym, "Perl_$sym"); |
468 | } |
469 | |
470 | print EM <<'END'; |
471 | |
472 | #else /* PERL_IMPLICIT_CONTEXT */ |
473 | |
474 | END |
475 | |
476 | my @az = ('a'..'z'); |
477 | |
da4ddda1 |
478 | $ifdef_state = ''; |
cea2e8a9 |
479 | walk_table { |
480 | my $ret = ""; |
da4ddda1 |
481 | my $new_ifdef_state = ''; |
cea2e8a9 |
482 | if (@_ == 1) { |
483 | my $arg = shift; |
12a98ad5 |
484 | $ret .= "$arg\n" if $arg =~ /^#\s*(if|ifn?def|else|endif)\b/; |
cea2e8a9 |
485 | } |
486 | else { |
487 | my ($flags,$retval,$func,@args) = @_; |
af3c7592 |
488 | unless ($flags =~ /[om]/) { |
cea2e8a9 |
489 | my $args = scalar @args; |
490 | if ($args and $args[$args-1] =~ /\.\.\./) { |
491 | # we're out of luck for varargs functions under CPP |
492 | } |
493 | elsif ($flags =~ /n/) { |
494 | if ($flags =~ /s/) { |
495 | $ret .= hide($func,"S_$func"); |
496 | } |
497 | elsif ($flags =~ /p/) { |
498 | $ret .= hide($func,"Perl_$func"); |
499 | } |
500 | } |
501 | else { |
502 | my $alist = join(",", @az[0..$args-1]); |
503 | $ret = "#define $func($alist)"; |
504 | my $t = int(length($ret) / 8); |
505 | $ret .= "\t" x ($t < 4 ? 4 - $t : 1); |
506 | if ($flags =~ /s/) { |
507 | $ret .= "S_$func(aTHX"; |
508 | } |
509 | elsif ($flags =~ /p/) { |
510 | $ret .= "Perl_$func(aTHX"; |
511 | } |
512 | $ret .= "_ " if $alist; |
513 | $ret .= $alist . ")\n"; |
514 | } |
515 | } |
da4ddda1 |
516 | unless ($flags =~ /A/) { |
de37762f |
517 | if ($flags =~ /E/) { |
da4ddda1 |
518 | $new_ifdef_state |
519 | = "#if defined(PERL_CORE) || defined(PERL_EXT)\n"; |
520 | } |
521 | else { |
522 | $new_ifdef_state = "#ifdef PERL_CORE\n"; |
523 | } |
524 | |
525 | if ($new_ifdef_state ne $ifdef_state) { |
526 | $ret = $new_ifdef_state . $ret; |
de37762f |
527 | } |
528 | } |
cea2e8a9 |
529 | } |
da4ddda1 |
530 | if ($ifdef_state && $new_ifdef_state ne $ifdef_state) { |
531 | # Close the old one ahead of opening the new one. |
532 | $ret = "#endif\n$ret"; |
533 | } |
534 | # Remember the new state. |
535 | $ifdef_state = $new_ifdef_state; |
cea2e8a9 |
536 | $ret; |
0ea9712b |
537 | } \*EM, ""; |
cea2e8a9 |
538 | |
da4ddda1 |
539 | if ($ifdef_state) { |
540 | print EM "#endif\n"; |
541 | } |
542 | |
cea2e8a9 |
543 | for $sym (sort keys %ppsym) { |
544 | $sym =~ s/^Perl_//; |
545 | if ($sym =~ /^ck_/) { |
546 | print EM hide("$sym(a)", "Perl_$sym(aTHX_ a)"); |
547 | } |
548 | elsif ($sym =~ /^pp_/) { |
549 | print EM hide("$sym()", "Perl_$sym(aTHX)"); |
550 | } |
551 | else { |
552 | warn "Illegal symbol '$sym' in pp.sym"; |
553 | } |
e50aee73 |
554 | } |
555 | |
e50aee73 |
556 | print EM <<'END'; |
557 | |
cea2e8a9 |
558 | #endif /* PERL_IMPLICIT_CONTEXT */ |
22c35a8c |
559 | |
d51482e4 |
560 | #endif /* #ifndef PERL_NO_SHORT_NAMES */ |
35209cc8 |
561 | |
22c35a8c |
562 | END |
563 | |
22c35a8c |
564 | print EM <<'END'; |
565 | |
cea2e8a9 |
566 | /* Compatibility stubs. Compile extensions with -DPERL_NOCOMPAT to |
567 | disable them. |
568 | */ |
569 | |
538feb02 |
570 | #if !defined(PERL_CORE) |
5bc28da9 |
571 | # define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,PTR2IV(ptr)) |
a0714e2c |
572 | # define sv_setptrref(rv,ptr) sv_setref_iv(rv,NULL,PTR2IV(ptr)) |
538feb02 |
573 | #endif |
cea2e8a9 |
574 | |
08e5223a |
575 | #if !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) |
cea2e8a9 |
576 | |
577 | /* Compatibility for various misnamed functions. All functions |
578 | in the API that begin with "perl_" (not "Perl_") take an explicit |
579 | interpreter context pointer. |
580 | The following are not like that, but since they had a "perl_" |
581 | prefix in previous versions, we provide compatibility macros. |
582 | */ |
65cec589 |
583 | # define perl_atexit(a,b) call_atexit(a,b) |
584 | # define perl_call_argv(a,b,c) call_argv(a,b,c) |
585 | # define perl_call_pv(a,b) call_pv(a,b) |
586 | # define perl_call_method(a,b) call_method(a,b) |
587 | # define perl_call_sv(a,b) call_sv(a,b) |
588 | # define perl_eval_sv(a,b) eval_sv(a,b) |
589 | # define perl_eval_pv(a,b) eval_pv(a,b) |
590 | # define perl_require_pv(a) require_pv(a) |
591 | # define perl_get_sv(a,b) get_sv(a,b) |
592 | # define perl_get_av(a,b) get_av(a,b) |
593 | # define perl_get_hv(a,b) get_hv(a,b) |
594 | # define perl_get_cv(a,b) get_cv(a,b) |
595 | # define perl_init_i18nl10n(a) init_i18nl10n(a) |
596 | # define perl_init_i18nl14n(a) init_i18nl14n(a) |
597 | # define perl_new_ctype(a) new_ctype(a) |
598 | # define perl_new_collate(a) new_collate(a) |
599 | # define perl_new_numeric(a) new_numeric(a) |
cea2e8a9 |
600 | |
601 | /* varargs functions can't be handled with CPP macros. :-( |
602 | This provides a set of compatibility functions that don't take |
603 | an extra argument but grab the context pointer using the macro |
604 | dTHX. |
605 | */ |
d51482e4 |
606 | #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_NO_SHORT_NAMES) |
cea2e8a9 |
607 | # define croak Perl_croak_nocontext |
c5be433b |
608 | # define deb Perl_deb_nocontext |
cea2e8a9 |
609 | # define die Perl_die_nocontext |
610 | # define form Perl_form_nocontext |
e4783991 |
611 | # define load_module Perl_load_module_nocontext |
5a844595 |
612 | # define mess Perl_mess_nocontext |
cea2e8a9 |
613 | # define newSVpvf Perl_newSVpvf_nocontext |
614 | # define sv_catpvf Perl_sv_catpvf_nocontext |
615 | # define sv_setpvf Perl_sv_setpvf_nocontext |
616 | # define warn Perl_warn_nocontext |
c5be433b |
617 | # define warner Perl_warner_nocontext |
cea2e8a9 |
618 | # define sv_catpvf_mg Perl_sv_catpvf_mg_nocontext |
619 | # define sv_setpvf_mg Perl_sv_setpvf_mg_nocontext |
620 | #endif |
621 | |
622 | #endif /* !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) */ |
623 | |
624 | #if !defined(PERL_IMPLICIT_CONTEXT) |
625 | /* undefined symbols, point them back at the usual ones */ |
626 | # define Perl_croak_nocontext Perl_croak |
627 | # define Perl_die_nocontext Perl_die |
c5be433b |
628 | # define Perl_deb_nocontext Perl_deb |
cea2e8a9 |
629 | # define Perl_form_nocontext Perl_form |
e4783991 |
630 | # define Perl_load_module_nocontext Perl_load_module |
5a844595 |
631 | # define Perl_mess_nocontext Perl_mess |
c5be433b |
632 | # define Perl_newSVpvf_nocontext Perl_newSVpvf |
633 | # define Perl_sv_catpvf_nocontext Perl_sv_catpvf |
634 | # define Perl_sv_setpvf_nocontext Perl_sv_setpvf |
cea2e8a9 |
635 | # define Perl_warn_nocontext Perl_warn |
c5be433b |
636 | # define Perl_warner_nocontext Perl_warner |
cea2e8a9 |
637 | # define Perl_sv_catpvf_mg_nocontext Perl_sv_catpvf_mg |
638 | # define Perl_sv_setpvf_mg_nocontext Perl_sv_setpvf_mg |
639 | #endif |
db5cf5a9 |
640 | |
37442d52 |
641 | /* ex: set ro: */ |
d4cce5f1 |
642 | END |
643 | |
36bb303b |
644 | close(EM) or die "Error closing EM: $!"; |
d4cce5f1 |
645 | |
36bb303b |
646 | safer_unlink 'embedvar.h'; |
d4cce5f1 |
647 | open(EM, '> embedvar.h') |
648 | or die "Can't create embedvar.h: $!\n"; |
dfb1454f |
649 | binmode EM; |
d4cce5f1 |
650 | |
7f1be197 |
651 | print EM do_not_edit ("embedvar.h"), <<'END'; |
d4cce5f1 |
652 | |
653 | /* (Doing namespace management portably in C is really gross.) */ |
654 | |
54aff467 |
655 | /* |
3db8f154 |
656 | The following combinations of MULTIPLICITY and PERL_IMPLICIT_CONTEXT |
657 | are supported: |
54aff467 |
658 | 1) none |
659 | 2) MULTIPLICITY # supported for compatibility |
660 | 3) MULTIPLICITY && PERL_IMPLICIT_CONTEXT |
54aff467 |
661 | |
662 | All other combinations of these flags are errors. |
663 | |
3db8f154 |
664 | only #3 is supported directly, while #2 is a special |
54aff467 |
665 | case of #3 (supported by redefining vTHX appropriately). |
666 | */ |
cea2e8a9 |
667 | |
54aff467 |
668 | #if defined(MULTIPLICITY) |
3db8f154 |
669 | /* cases 2 and 3 above */ |
cea2e8a9 |
670 | |
54aff467 |
671 | # if defined(PERL_IMPLICIT_CONTEXT) |
672 | # define vTHX aTHX |
673 | # else |
674 | # define vTHX PERL_GET_INTERP |
675 | # endif |
cea2e8a9 |
676 | |
e50aee73 |
677 | END |
678 | |
d4cce5f1 |
679 | for $sym (sort keys %intrp) { |
54aff467 |
680 | print EM multon($sym,'I','vTHX->'); |
d4cce5f1 |
681 | } |
682 | |
683 | print EM <<'END'; |
684 | |
54aff467 |
685 | #else /* !MULTIPLICITY */ |
1d7c1841 |
686 | |
3db8f154 |
687 | /* case 1 above */ |
5f05dabc |
688 | |
56d28764 |
689 | END |
e50aee73 |
690 | |
d4cce5f1 |
691 | for $sym (sort keys %intrp) { |
54aff467 |
692 | print EM multoff($sym,'I'); |
d4cce5f1 |
693 | } |
694 | |
695 | print EM <<'END'; |
696 | |
d4cce5f1 |
697 | END |
698 | |
d4cce5f1 |
699 | print EM <<'END'; |
700 | |
54aff467 |
701 | #endif /* MULTIPLICITY */ |
d4cce5f1 |
702 | |
54aff467 |
703 | #if defined(PERL_GLOBAL_STRUCT) |
22239a37 |
704 | |
705 | END |
706 | |
707 | for $sym (sort keys %globvar) { |
27da23d5 |
708 | print EM multon($sym, 'G','my_vars->'); |
709 | print EM multon("G$sym",'', 'my_vars->'); |
22239a37 |
710 | } |
711 | |
712 | print EM <<'END'; |
713 | |
714 | #else /* !PERL_GLOBAL_STRUCT */ |
715 | |
716 | END |
717 | |
718 | for $sym (sort keys %globvar) { |
719 | print EM multoff($sym,'G'); |
720 | } |
721 | |
722 | print EM <<'END'; |
723 | |
22239a37 |
724 | #endif /* PERL_GLOBAL_STRUCT */ |
725 | |
85add8c2 |
726 | #ifdef PERL_POLLUTE /* disabled by default in 5.6.0 */ |
84fee439 |
727 | |
728 | END |
729 | |
730 | for $sym (sort @extvars) { |
731 | print EM hide($sym,"PL_$sym"); |
732 | } |
733 | |
734 | print EM <<'END'; |
735 | |
db5cf5a9 |
736 | #endif /* PERL_POLLUTE */ |
37442d52 |
737 | |
738 | /* ex: set ro: */ |
84fee439 |
739 | END |
740 | |
36bb303b |
741 | close(EM) or die "Error closing EM: $!"; |
c6af7a1a |
742 | |
36bb303b |
743 | safer_unlink 'perlapi.h'; |
744 | safer_unlink 'perlapi.c'; |
51371543 |
745 | open(CAPI, '> perlapi.c') or die "Can't create perlapi.c: $!\n"; |
dfb1454f |
746 | binmode CAPI; |
51371543 |
747 | open(CAPIH, '> perlapi.h') or die "Can't create perlapi.h: $!\n"; |
dfb1454f |
748 | binmode CAPIH; |
51371543 |
749 | |
7f1be197 |
750 | print CAPIH do_not_edit ("perlapi.h"), <<'EOT'; |
51371543 |
751 | |
51371543 |
752 | /* declare accessor functions for Perl variables */ |
6f4183fe |
753 | #ifndef __perlapi_h__ |
754 | #define __perlapi_h__ |
51371543 |
755 | |
acfe0abc |
756 | #if defined (MULTIPLICITY) |
c5be433b |
757 | |
51371543 |
758 | START_EXTERN_C |
759 | |
760 | #undef PERLVAR |
761 | #undef PERLVARA |
762 | #undef PERLVARI |
763 | #undef PERLVARIC |
27da23d5 |
764 | #undef PERLVARISC |
acfe0abc |
765 | #define PERLVAR(v,t) EXTERN_C t* Perl_##v##_ptr(pTHX); |
51371543 |
766 | #define PERLVARA(v,n,t) typedef t PL_##v##_t[n]; \ |
acfe0abc |
767 | EXTERN_C PL_##v##_t* Perl_##v##_ptr(pTHX); |
51371543 |
768 | #define PERLVARI(v,t,i) PERLVAR(v,t) |
c5be433b |
769 | #define PERLVARIC(v,t,i) PERLVAR(v, const t) |
27da23d5 |
770 | #define PERLVARISC(v,i) typedef const char PL_##v##_t[sizeof(i)]; \ |
771 | EXTERN_C PL_##v##_t* Perl_##v##_ptr(pTHX); |
51371543 |
772 | |
51371543 |
773 | #include "intrpvar.h" |
774 | #include "perlvars.h" |
775 | |
776 | #undef PERLVAR |
777 | #undef PERLVARA |
778 | #undef PERLVARI |
779 | #undef PERLVARIC |
27da23d5 |
780 | #undef PERLVARISC |
781 | |
782 | #ifndef PERL_GLOBAL_STRUCT |
783 | EXTERN_C Perl_ppaddr_t** Perl_Gppaddr_ptr(pTHX); |
784 | EXTERN_C Perl_check_t** Perl_Gcheck_ptr(pTHX); |
785 | EXTERN_C unsigned char** Perl_Gfold_locale_ptr(pTHX); |
786 | #define Perl_ppaddr_ptr Perl_Gppaddr_ptr |
787 | #define Perl_check_ptr Perl_Gcheck_ptr |
788 | #define Perl_fold_locale_ptr Perl_Gfold_locale_ptr |
789 | #endif |
51371543 |
790 | |
791 | END_EXTERN_C |
792 | |
682fc664 |
793 | #if defined(PERL_CORE) |
6f4183fe |
794 | |
682fc664 |
795 | /* accessor functions for Perl variables (provide binary compatibility) */ |
796 | |
797 | /* these need to be mentioned here, or most linkers won't put them in |
798 | the perl executable */ |
799 | |
800 | #ifndef PERL_NO_FORCE_LINK |
801 | |
802 | START_EXTERN_C |
803 | |
804 | #ifndef DOINIT |
27da23d5 |
805 | EXTCONST void * const PL_force_link_funcs[]; |
682fc664 |
806 | #else |
27da23d5 |
807 | EXTCONST void * const PL_force_link_funcs[] = { |
682fc664 |
808 | #undef PERLVAR |
809 | #undef PERLVARA |
810 | #undef PERLVARI |
811 | #undef PERLVARIC |
ea1f607c |
812 | #define PERLVAR(v,t) (void*)Perl_##v##_ptr, |
682fc664 |
813 | #define PERLVARA(v,n,t) PERLVAR(v,t) |
814 | #define PERLVARI(v,t,i) PERLVAR(v,t) |
815 | #define PERLVARIC(v,t,i) PERLVAR(v,t) |
27da23d5 |
816 | #define PERLVARISC(v,i) PERLVAR(v,char) |
682fc664 |
817 | |
3c0f78ca |
818 | /* In Tru64 (__DEC && __osf__) the cc option -std1 causes that one |
819 | * cannot cast between void pointers and function pointers without |
820 | * info level warnings. The PL_force_link_funcs[] would cause a few |
821 | * hundred of those warnings. In code one can circumnavigate this by using |
822 | * unions that overlay the different pointers, but in declarations one |
823 | * cannot use this trick. Therefore we just disable the warning here |
824 | * for the duration of the PL_force_link_funcs[] declaration. */ |
825 | |
826 | #if defined(__DECC) && defined(__osf__) |
827 | #pragma message save |
828 | #pragma message disable (nonstandcast) |
829 | #endif |
830 | |
682fc664 |
831 | #include "intrpvar.h" |
832 | #include "perlvars.h" |
833 | |
3c0f78ca |
834 | #if defined(__DECC) && defined(__osf__) |
835 | #pragma message restore |
836 | #endif |
837 | |
682fc664 |
838 | #undef PERLVAR |
839 | #undef PERLVARA |
840 | #undef PERLVARI |
841 | #undef PERLVARIC |
27da23d5 |
842 | #undef PERLVARISC |
682fc664 |
843 | }; |
844 | #endif /* DOINIT */ |
845 | |
acfe0abc |
846 | END_EXTERN_C |
682fc664 |
847 | |
848 | #endif /* PERL_NO_FORCE_LINK */ |
849 | |
850 | #else /* !PERL_CORE */ |
51371543 |
851 | |
852 | EOT |
853 | |
4543f4c0 |
854 | foreach $sym (sort keys %intrp) { |
6f4183fe |
855 | print CAPIH bincompat_var('I',$sym); |
856 | } |
857 | |
4543f4c0 |
858 | foreach $sym (sort keys %globvar) { |
6f4183fe |
859 | print CAPIH bincompat_var('G',$sym); |
860 | } |
861 | |
862 | print CAPIH <<'EOT'; |
863 | |
864 | #endif /* !PERL_CORE */ |
acfe0abc |
865 | #endif /* MULTIPLICITY */ |
6f4183fe |
866 | |
867 | #endif /* __perlapi_h__ */ |
868 | |
37442d52 |
869 | /* ex: set ro: */ |
6f4183fe |
870 | EOT |
36bb303b |
871 | close CAPIH or die "Error closing CAPIH: $!"; |
51371543 |
872 | |
7f1be197 |
873 | print CAPI do_not_edit ("perlapi.c"), <<'EOT'; |
51371543 |
874 | |
875 | #include "EXTERN.h" |
876 | #include "perl.h" |
877 | #include "perlapi.h" |
878 | |
acfe0abc |
879 | #if defined (MULTIPLICITY) |
51371543 |
880 | |
881 | /* accessor functions for Perl variables (provides binary compatibility) */ |
882 | START_EXTERN_C |
883 | |
884 | #undef PERLVAR |
885 | #undef PERLVARA |
886 | #undef PERLVARI |
887 | #undef PERLVARIC |
27da23d5 |
888 | #undef PERLVARISC |
6f4183fe |
889 | |
6f4183fe |
890 | #define PERLVAR(v,t) t* Perl_##v##_ptr(pTHX) \ |
96a5add6 |
891 | { dVAR; PERL_UNUSED_CONTEXT; return &(aTHX->v); } |
6f4183fe |
892 | #define PERLVARA(v,n,t) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
96a5add6 |
893 | { dVAR; PERL_UNUSED_CONTEXT; return &(aTHX->v); } |
6f4183fe |
894 | |
51371543 |
895 | #define PERLVARI(v,t,i) PERLVAR(v,t) |
c5be433b |
896 | #define PERLVARIC(v,t,i) PERLVAR(v, const t) |
27da23d5 |
897 | #define PERLVARISC(v,i) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
96a5add6 |
898 | { dVAR; PERL_UNUSED_CONTEXT; return &(aTHX->v); } |
51371543 |
899 | |
51371543 |
900 | #include "intrpvar.h" |
c5be433b |
901 | |
902 | #undef PERLVAR |
903 | #undef PERLVARA |
acfe0abc |
904 | #define PERLVAR(v,t) t* Perl_##v##_ptr(pTHX) \ |
96a5add6 |
905 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
acfe0abc |
906 | #define PERLVARA(v,n,t) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
96a5add6 |
907 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
34f7a5fe |
908 | #undef PERLVARIC |
27da23d5 |
909 | #undef PERLVARISC |
910 | #define PERLVARIC(v,t,i) \ |
911 | const t* Perl_##v##_ptr(pTHX) \ |
96a5add6 |
912 | { PERL_UNUSED_CONTEXT; return (const t *)&(PL_##v); } |
27da23d5 |
913 | #define PERLVARISC(v,i) PL_##v##_t* Perl_##v##_ptr(pTHX) \ |
96a5add6 |
914 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
51371543 |
915 | #include "perlvars.h" |
916 | |
917 | #undef PERLVAR |
918 | #undef PERLVARA |
919 | #undef PERLVARI |
920 | #undef PERLVARIC |
27da23d5 |
921 | #undef PERLVARISC |
922 | |
923 | #ifndef PERL_GLOBAL_STRUCT |
924 | /* A few evil special cases. Could probably macrofy this. */ |
925 | #undef PL_ppaddr |
926 | #undef PL_check |
927 | #undef PL_fold_locale |
928 | Perl_ppaddr_t** Perl_Gppaddr_ptr(pTHX) { |
88e01c9d |
929 | static Perl_ppaddr_t* const ppaddr_ptr = PL_ppaddr; |
96a5add6 |
930 | PERL_UNUSED_CONTEXT; |
27da23d5 |
931 | return (Perl_ppaddr_t**)&ppaddr_ptr; |
932 | } |
933 | Perl_check_t** Perl_Gcheck_ptr(pTHX) { |
88e01c9d |
934 | static Perl_check_t* const check_ptr = PL_check; |
96a5add6 |
935 | PERL_UNUSED_CONTEXT; |
27da23d5 |
936 | return (Perl_check_t**)&check_ptr; |
937 | } |
938 | unsigned char** Perl_Gfold_locale_ptr(pTHX) { |
88e01c9d |
939 | static unsigned char* const fold_locale_ptr = PL_fold_locale; |
96a5add6 |
940 | PERL_UNUSED_CONTEXT; |
27da23d5 |
941 | return (unsigned char**)&fold_locale_ptr; |
942 | } |
943 | #endif |
51371543 |
944 | |
acfe0abc |
945 | END_EXTERN_C |
6f4183fe |
946 | |
acfe0abc |
947 | #endif /* MULTIPLICITY */ |
37442d52 |
948 | |
949 | /* ex: set ro: */ |
51371543 |
950 | EOT |
951 | |
36bb303b |
952 | close(CAPI) or die "Error closing CAPI: $!"; |
acfe0abc |
953 | |
c5be433b |
954 | # functions that take va_list* for implementing vararg functions |
08cd8952 |
955 | # NOTE: makedef.pl must be updated if you add symbols to %vfuncs |
acfe0abc |
956 | # XXX %vfuncs currently unused |
c5be433b |
957 | my %vfuncs = qw( |
958 | Perl_croak Perl_vcroak |
959 | Perl_warn Perl_vwarn |
960 | Perl_warner Perl_vwarner |
961 | Perl_die Perl_vdie |
962 | Perl_form Perl_vform |
e4783991 |
963 | Perl_load_module Perl_vload_module |
5a844595 |
964 | Perl_mess Perl_vmess |
c5be433b |
965 | Perl_deb Perl_vdeb |
966 | Perl_newSVpvf Perl_vnewSVpvf |
967 | Perl_sv_setpvf Perl_sv_vsetpvf |
968 | Perl_sv_setpvf_mg Perl_sv_vsetpvf_mg |
969 | Perl_sv_catpvf Perl_sv_vcatpvf |
970 | Perl_sv_catpvf_mg Perl_sv_vcatpvf_mg |
971 | Perl_dump_indent Perl_dump_vindent |
972 | Perl_default_protect Perl_vdefault_protect |
973 | ); |
1b6737cc |
974 | |
975 | # ex: set ts=8 sts=4 sw=4 noet: |