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 | |
6294c161 DM |
7 | # perlapi.c |
8 | # perlapi.h | |
9 | # proto.h | |
10 | # | |
11 | # from information stored in | |
12 | # | |
13 | # embed.fnc | |
14 | # intrpvar.h | |
15 | # perlvars.h | |
897d3989 | 16 | # regen/opcodes |
6294c161 | 17 | # |
6294c161 DM |
18 | # Accepts the standard regen_lib -q and -v args. |
19 | # | |
20 | # This script is normally invoked from regen.pl. | |
e50aee73 | 21 | |
916e4025 | 22 | require 5.004; # keep this compatible, an old perl is all we may have before |
954c1994 | 23 | # we build the new one |
5f05dabc | 24 | |
88e01c9d AL |
25 | use strict; |
26 | ||
36bb303b NC |
27 | BEGIN { |
28 | # Get function prototypes | |
af001346 | 29 | require 'regen/regen_lib.pl'; |
cdde42af | 30 | require 'regen/embed_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 | ||
03b6588a KW |
43 | sub full_name ($$) { # Returns the function name with potentially the |
44 | # prefixes 'S_' or 'Perl_' | |
45 | my ($func, $flags) = @_; | |
46 | ||
47 | return "S_$func" if $flags =~ /[si]/; | |
48 | return "Perl_$func" if $flags =~ /[bp]/; | |
49 | return $func; | |
50 | } | |
51 | ||
5f8dc073 | 52 | sub open_print_header { |
56fd1190 | 53 | my ($file, $quote) = @_; |
4373e329 | 54 | |
5f8dc073 NC |
55 | return open_new($file, '>', |
56 | { file => $file, style => '*', by => 'regen/embed.pl', | |
57 | from => ['data in embed.fnc', 'regen/embed.pl', | |
58 | 'regen/opcodes', 'intrpvar.h', 'perlvars.h'], | |
59 | final => "\nEdit those files and run 'make regen_headers' to effect changes.\n", | |
60 | copyright => [1993 .. 2009], quote => $quote }); | |
61 | } | |
7f1be197 | 62 | |
5ccbf88e NC |
63 | my ($embed, $core, $ext, $api) = setup_embed(); |
64 | ||
cea2e8a9 | 65 | # generate proto.h |
9516dc40 | 66 | { |
5f8dc073 NC |
67 | my $pr = open_print_header("proto.h"); |
68 | print $pr "START_EXTERN_C\n"; | |
f8394530 | 69 | my $ret; |
9516dc40 | 70 | |
5ccbf88e | 71 | foreach (@$embed) { |
9516dc40 NC |
72 | if (@$_ == 1) { |
73 | print $pr "$_->[0]\n"; | |
74 | next; | |
75 | } | |
76 | ||
77 | my ($flags,$retval,$plain_func,@args) = @$_; | |
4373e329 AL |
78 | my @nonnull; |
79 | my $has_context = ( $flags !~ /n/ ); | |
88e01c9d AL |
80 | my $never_returns = ( $flags =~ /r/ ); |
81 | my $commented_out = ( $flags =~ /m/ ); | |
aa4ca557 | 82 | my $binarycompat = ( $flags =~ /b/ ); |
88e01c9d AL |
83 | my $is_malloc = ( $flags =~ /a/ ); |
84 | my $can_ignore = ( $flags !~ /R/ ) && !$is_malloc; | |
7918f24d NC |
85 | my @names_of_nn; |
86 | my $func; | |
88e01c9d | 87 | |
9f68b0f7 KW |
88 | if (! $can_ignore && $retval eq 'void') { |
89 | warn "It is nonsensical to require the return value of a void function ($plain_func) to be checked"; | |
90 | } | |
82728c33 KW |
91 | |
92 | my $scope_type_flag_count = 0; | |
93 | $scope_type_flag_count++ if $flags =~ /s/; | |
94 | $scope_type_flag_count++ if $flags =~ /i/; | |
95 | $scope_type_flag_count++ if $flags =~ /p/; | |
96 | warn "$plain_func: i, p, and s flags are all mutually exclusive" | |
97 | if $scope_type_flag_count > 1; | |
88e01c9d AL |
98 | my $splint_flags = ""; |
99 | if ( $SPLINT && !$commented_out ) { | |
100 | $splint_flags .= '/*@noreturn@*/ ' if $never_returns; | |
101 | if ($can_ignore && ($retval ne 'void') && ($retval !~ /\*/)) { | |
102 | $retval .= " /*\@alt void\@*/"; | |
103 | } | |
104 | } | |
105 | ||
71556506 | 106 | if ($flags =~ /([si])/) { |
98c015b7 DD |
107 | my $type; |
108 | if ($never_returns) { | |
109 | $type = $1 eq 's' ? "PERL_STATIC_NO_RET" : "PERL_STATIC_INLINE_NO_RET"; | |
110 | } | |
111 | else { | |
112 | $type = $1 eq 's' ? "STATIC" : "PERL_STATIC_INLINE"; | |
113 | } | |
71556506 | 114 | $retval = "$type $splint_flags$retval"; |
cea2e8a9 | 115 | } |
0cb96387 | 116 | else { |
718fae11 JD |
117 | if ($never_returns) { |
118 | $retval = "PERL_CALLCONV_NO_RET $splint_flags$retval"; | |
119 | } | |
120 | else { | |
121 | $retval = "PERL_CALLCONV $splint_flags$retval"; | |
122 | } | |
cea2e8a9 | 123 | } |
03b6588a | 124 | $func = full_name($plain_func, $flags); |
f8394530 | 125 | $ret = "$retval\t$func("; |
4373e329 AL |
126 | if ( $has_context ) { |
127 | $ret .= @args ? "pTHX_ " : "pTHX"; | |
cea2e8a9 GS |
128 | } |
129 | if (@args) { | |
4373e329 AL |
130 | my $n; |
131 | for my $arg ( @args ) { | |
132 | ++$n; | |
7827dc65 AL |
133 | if ( $arg =~ /\*/ && $arg !~ /\b(NN|NULLOK)\b/ ) { |
134 | warn "$func: $arg needs NN or NULLOK\n"; | |
7827dc65 AL |
135 | ++$unflagged_pointers; |
136 | } | |
88e01c9d AL |
137 | my $nn = ( $arg =~ s/\s*\bNN\b\s+// ); |
138 | push( @nonnull, $n ) if $nn; | |
139 | ||
140 | my $nullok = ( $arg =~ s/\s*\bNULLOK\b\s+// ); # strip NULLOK with no effect | |
c48640ec AL |
141 | |
142 | # Make sure each arg has at least a type and a var name. | |
143 | # An arg of "int" is valid C, but want it to be "int foo". | |
144 | my $temp_arg = $arg; | |
145 | $temp_arg =~ s/\*//g; | |
146 | $temp_arg =~ s/\s*\bstruct\b\s*/ /g; | |
7918f24d NC |
147 | if ( ($temp_arg ne "...") |
148 | && ($temp_arg !~ /\w+\s+(\w+)(?:\[\d+\])?\s*$/) ) { | |
149 | warn "$func: $arg ($n) doesn't have a name\n"; | |
c48640ec | 150 | } |
88e01c9d AL |
151 | if ( $SPLINT && $nullok && !$commented_out ) { |
152 | $arg = '/*@null@*/ ' . $arg; | |
153 | } | |
aa4ca557 | 154 | if (defined $1 && $nn && !($commented_out && !$binarycompat)) { |
7918f24d NC |
155 | push @names_of_nn, $1; |
156 | } | |
4373e329 | 157 | } |
cea2e8a9 GS |
158 | $ret .= join ", ", @args; |
159 | } | |
160 | else { | |
4373e329 | 161 | $ret .= "void" if !$has_context; |
cea2e8a9 GS |
162 | } |
163 | $ret .= ")"; | |
f54cb97a AL |
164 | my @attrs; |
165 | if ( $flags =~ /r/ ) { | |
abb2c242 | 166 | push @attrs, "__attribute__noreturn__"; |
f54cb97a | 167 | } |
a5c26493 RGS |
168 | if ( $flags =~ /D/ ) { |
169 | push @attrs, "__attribute__deprecated__"; | |
170 | } | |
88e01c9d | 171 | if ( $is_malloc ) { |
abb2c242 | 172 | push @attrs, "__attribute__malloc__"; |
f54cb97a | 173 | } |
88e01c9d | 174 | if ( !$can_ignore ) { |
abb2c242 | 175 | push @attrs, "__attribute__warn_unused_result__"; |
f54cb97a AL |
176 | } |
177 | if ( $flags =~ /P/ ) { | |
abb2c242 | 178 | push @attrs, "__attribute__pure__"; |
f54cb97a | 179 | } |
1c846c1f | 180 | if( $flags =~ /f/ ) { |
cdfeb707 | 181 | my $prefix = $has_context ? 'pTHX_' : ''; |
5d37acd6 DM |
182 | my ($args, $pat); |
183 | if ($args[-1] eq '...') { | |
184 | $args = scalar @args; | |
185 | $pat = $args - 1; | |
186 | $args = $prefix . $args; | |
187 | } | |
188 | else { | |
189 | # don't check args, and guess which arg is the pattern | |
190 | # (one of 'fmt', 'pat', 'f'), | |
191 | $args = 0; | |
192 | my @fmts = grep $args[$_] =~ /\b(f|pat|fmt)$/, 0..$#args; | |
193 | if (@fmts != 1) { | |
194 | die "embed.pl: '$plain_func': can't determine pattern arg\n"; | |
195 | } | |
196 | $pat = $fmts[0] + 1; | |
197 | } | |
198 | my $macro = grep($_ == $pat, @nonnull) | |
cdfeb707 RB |
199 | ? '__attribute__format__' |
200 | : '__attribute__format__null_ok__'; | |
531b2663 DM |
201 | if ($plain_func =~ /strftime/) { |
202 | push @attrs, sprintf "%s(__strftime__,%s1,0)", $macro, $prefix; | |
203 | } | |
204 | else { | |
5d37acd6 DM |
205 | push @attrs, sprintf "%s(__printf__,%s%d,%s)", $macro, |
206 | $prefix, $pat, $args; | |
531b2663 | 207 | } |
894356b3 | 208 | } |
4373e329 | 209 | if ( @nonnull ) { |
3d42dc86 | 210 | my @pos = map { $has_context ? "pTHX_$_" : $_ } @nonnull; |
abb2c242 | 211 | push @attrs, map { sprintf( "__attribute__nonnull__(%s)", $_ ) } @pos; |
f54cb97a AL |
212 | } |
213 | if ( @attrs ) { | |
214 | $ret .= "\n"; | |
215 | $ret .= join( "\n", map { "\t\t\t$_" } @attrs ); | |
4373e329 | 216 | } |
af3c7592 | 217 | $ret .= ";"; |
88e01c9d | 218 | $ret = "/* $ret */" if $commented_out; |
7918f24d NC |
219 | if (@names_of_nn) { |
220 | $ret .= "\n#define PERL_ARGS_ASSERT_\U$plain_func\E\t\\\n\t" | |
221 | . join '; ', map "assert($_)", @names_of_nn; | |
222 | } | |
f54cb97a | 223 | $ret .= @attrs ? "\n\n" : "\n"; |
9516dc40 NC |
224 | |
225 | print $pr $ret; | |
cea2e8a9 | 226 | } |
9516dc40 | 227 | |
897d3989 NC |
228 | print $pr <<'EOF'; |
229 | #ifdef PERL_CORE | |
230 | # include "pp_proto.h" | |
231 | #endif | |
232 | END_EXTERN_C | |
897d3989 | 233 | EOF |
9516dc40 | 234 | |
ce716c52 | 235 | read_only_bottom_close_and_rename($pr); |
cea2e8a9 GS |
236 | } |
237 | ||
7827dc65 | 238 | warn "$unflagged_pointers pointer arguments to clean up\n" if $unflagged_pointers; |
cea2e8a9 | 239 | |
adf34b4b NC |
240 | sub readvars { |
241 | my ($file, $pre) = @_; | |
d4cce5f1 | 242 | local (*FILE, $_); |
adf34b4b | 243 | my %seen; |
d4cce5f1 NIS |
244 | open(FILE, "< $file") |
245 | or die "embed.pl: Can't open $file: $!\n"; | |
246 | while (<FILE>) { | |
247 | s/[ \t]*#.*//; # Delete comments. | |
115ff745 | 248 | if (/PERLVARA?I?C?\($pre,\s*(\w+)/) { |
adf34b4b NC |
249 | warn "duplicate symbol $1 while processing $file line $.\n" |
250 | if $seen{$1}++; | |
d4cce5f1 NIS |
251 | } |
252 | } | |
253 | close(FILE); | |
adf34b4b | 254 | return sort keys %seen; |
d4cce5f1 NIS |
255 | } |
256 | ||
adf34b4b NC |
257 | my @intrp = readvars 'intrpvar.h','I'; |
258 | my @globvar = readvars 'perlvars.h','G'; | |
d4cce5f1 | 259 | |
125218eb NC |
260 | sub hide { |
261 | my ($from, $to, $indent) = @_; | |
262 | $indent = '' unless defined $indent; | |
263 | my $t = int(length("$indent$from") / 8); | |
264 | "#${indent}define $from" . "\t" x ($t < 3 ? 3 - $t : 1) . "$to\n"; | |
5f05dabc | 265 | } |
c6af7a1a | 266 | |
d4cce5f1 NIS |
267 | sub multon ($$$) { |
268 | my ($sym,$pre,$ptr) = @_; | |
3280af22 | 269 | hide("PL_$sym", "($ptr$pre$sym)"); |
5f05dabc | 270 | } |
54aff467 | 271 | |
5f8dc073 | 272 | my $em = open_print_header('embed.h'); |
e50aee73 | 273 | |
5f8dc073 | 274 | print $em <<'END'; |
e50aee73 AD |
275 | /* (Doing namespace management portably in C is really gross.) */ |
276 | ||
d51482e4 JH |
277 | /* By defining PERL_NO_SHORT_NAMES (not done by default) the short forms |
278 | * (like warn instead of Perl_warn) for the API are not defined. | |
279 | * Not defining the short forms is a good thing for cleaner embedding. */ | |
280 | ||
281 | #ifndef PERL_NO_SHORT_NAMES | |
820c3be9 | 282 | |
22c35a8c | 283 | /* Hide global symbols */ |
5f05dabc | 284 | |
e50aee73 AD |
285 | END |
286 | ||
cea2e8a9 GS |
287 | my @az = ('a'..'z'); |
288 | ||
e8a67806 NC |
289 | sub embed_h { |
290 | my ($guard, $funcs) = @_; | |
291 | print $em "$guard\n" if $guard; | |
292 | ||
2a4d8072 | 293 | my $lines; |
e8a67806 NC |
294 | foreach (@$funcs) { |
295 | if (@$_ == 1) { | |
296 | my $cond = $_->[0]; | |
297 | # Indent the conditionals if we are wrapped in an #if/#endif pair. | |
298 | $cond =~ s/#(.*)/# $1/ if $guard; | |
2a4d8072 | 299 | $lines .= "$cond\n"; |
e8a67806 NC |
300 | next; |
301 | } | |
302 | my $ret = ""; | |
303 | my ($flags,$retval,$func,@args) = @$_; | |
af3c7592 | 304 | unless ($flags =~ /[om]/) { |
cea2e8a9 | 305 | my $args = scalar @args; |
7a5a24f7 | 306 | if ($flags =~ /n/) { |
03b6588a | 307 | $ret = hide($func, full_name($func, $flags)); |
cea2e8a9 | 308 | } |
7a5a24f7 | 309 | elsif ($args and $args[$args-1] =~ /\.\.\./) { |
e64ca59f NC |
310 | if ($flags =~ /p/) { |
311 | # we're out of luck for varargs functions under CPP | |
312 | # So we can only do these macros for no implicit context: | |
313 | $ret = "#ifndef PERL_IMPLICIT_CONTEXT\n" | |
03b6588a | 314 | . hide($func, full_name($func, $flags)) . "#endif\n"; |
e64ca59f | 315 | } |
7a5a24f7 | 316 | } |
cea2e8a9 GS |
317 | else { |
318 | my $alist = join(",", @az[0..$args-1]); | |
319 | $ret = "#define $func($alist)"; | |
320 | my $t = int(length($ret) / 8); | |
321 | $ret .= "\t" x ($t < 4 ? 4 - $t : 1); | |
03b6588a | 322 | $ret .= full_name($func, $flags) . "(aTHX"; |
cea2e8a9 GS |
323 | $ret .= "_ " if $alist; |
324 | $ret .= $alist . ")\n"; | |
325 | } | |
326 | } | |
2a4d8072 | 327 | $lines .= $ret; |
cea2e8a9 | 328 | } |
2a4d8072 NC |
329 | # Prune empty #if/#endif pairs. |
330 | while ($lines =~ s/#\s*if[^\n]+\n#\s*endif\n//) { | |
331 | } | |
b2e549c0 NC |
332 | # Merge adjacent blocks. |
333 | while ($lines =~ s/(#ifndef PERL_IMPLICIT_CONTEXT | |
334 | [^\n]+ | |
335 | )#endif | |
336 | #ifndef PERL_IMPLICIT_CONTEXT | |
337 | /$1/) { | |
338 | } | |
339 | ||
2a4d8072 | 340 | print $em $lines; |
e8a67806 | 341 | print $em "#endif\n" if $guard; |
da4ddda1 NC |
342 | } |
343 | ||
5ccbf88e NC |
344 | embed_h('', $api); |
345 | embed_h('#if defined(PERL_CORE) || defined(PERL_EXT)', $ext); | |
346 | embed_h('#ifdef PERL_CORE', $core); | |
e8a67806 | 347 | |
424a4936 | 348 | print $em <<'END'; |
e50aee73 | 349 | |
d51482e4 | 350 | #endif /* #ifndef PERL_NO_SHORT_NAMES */ |
35209cc8 | 351 | |
cea2e8a9 GS |
352 | /* Compatibility stubs. Compile extensions with -DPERL_NOCOMPAT to |
353 | disable them. | |
354 | */ | |
355 | ||
538feb02 | 356 | #if !defined(PERL_CORE) |
5bc28da9 | 357 | # define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,PTR2IV(ptr)) |
a0714e2c | 358 | # define sv_setptrref(rv,ptr) sv_setref_iv(rv,NULL,PTR2IV(ptr)) |
538feb02 | 359 | #endif |
cea2e8a9 | 360 | |
08e5223a | 361 | #if !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) |
cea2e8a9 GS |
362 | |
363 | /* Compatibility for various misnamed functions. All functions | |
364 | in the API that begin with "perl_" (not "Perl_") take an explicit | |
365 | interpreter context pointer. | |
366 | The following are not like that, but since they had a "perl_" | |
367 | prefix in previous versions, we provide compatibility macros. | |
368 | */ | |
65cec589 | 369 | # define perl_atexit(a,b) call_atexit(a,b) |
7b53c8ee NC |
370 | END |
371 | ||
3a54c8e7 NC |
372 | foreach (@$embed) { |
373 | my ($flags, $retval, $func, @args) = @$_; | |
374 | next unless $func; | |
375 | next unless $flags =~ /O/; | |
7b53c8ee NC |
376 | |
377 | my $alist = join ",", @az[0..$#args]; | |
378 | my $ret = "# define perl_$func($alist)"; | |
379 | my $t = (length $ret) >> 3; | |
380 | $ret .= "\t" x ($t < 5 ? 5 - $t : 1); | |
3a54c8e7 NC |
381 | print $em "$ret$func($alist)\n"; |
382 | } | |
7b53c8ee | 383 | |
eacd26c2 NC |
384 | my @nocontext; |
385 | { | |
386 | my (%has_va, %has_nocontext); | |
5ccbf88e | 387 | foreach (@$embed) { |
eacd26c2 NC |
388 | next unless @$_ > 1; |
389 | ++$has_va{$_->[2]} if $_->[-1] =~ /\.\.\./; | |
390 | ++$has_nocontext{$1} if $_->[2] =~ /(.*)_nocontext/; | |
391 | } | |
392 | ||
393 | @nocontext = sort grep { | |
394 | $has_nocontext{$_} | |
395 | && !/printf/ # Not clear to me why these are skipped but they are. | |
396 | } keys %has_va; | |
397 | } | |
398 | ||
7b53c8ee | 399 | print $em <<'END'; |
cea2e8a9 GS |
400 | |
401 | /* varargs functions can't be handled with CPP macros. :-( | |
402 | This provides a set of compatibility functions that don't take | |
403 | an extra argument but grab the context pointer using the macro | |
404 | dTHX. | |
405 | */ | |
d51482e4 | 406 | #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_NO_SHORT_NAMES) |
125218eb NC |
407 | END |
408 | ||
eacd26c2 | 409 | foreach (@nocontext) { |
125218eb NC |
410 | print $em hide($_, "Perl_${_}_nocontext", " "); |
411 | } | |
412 | ||
413 | print $em <<'END'; | |
cea2e8a9 GS |
414 | #endif |
415 | ||
416 | #endif /* !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) */ | |
417 | ||
418 | #if !defined(PERL_IMPLICIT_CONTEXT) | |
419 | /* undefined symbols, point them back at the usual ones */ | |
125218eb NC |
420 | END |
421 | ||
eacd26c2 | 422 | foreach (@nocontext) { |
125218eb NC |
423 | print $em hide("Perl_${_}_nocontext", "Perl_$_", " "); |
424 | } | |
425 | ||
426 | print $em <<'END'; | |
cea2e8a9 | 427 | #endif |
d4cce5f1 NIS |
428 | END |
429 | ||
ce716c52 | 430 | read_only_bottom_close_and_rename($em); |
d4cce5f1 | 431 | |
5f8dc073 | 432 | $em = open_print_header('embedvar.h'); |
d4cce5f1 | 433 | |
5f8dc073 | 434 | print $em <<'END'; |
d4cce5f1 NIS |
435 | /* (Doing namespace management portably in C is really gross.) */ |
436 | ||
54aff467 | 437 | /* |
3db8f154 MB |
438 | The following combinations of MULTIPLICITY and PERL_IMPLICIT_CONTEXT |
439 | are supported: | |
54aff467 GS |
440 | 1) none |
441 | 2) MULTIPLICITY # supported for compatibility | |
442 | 3) MULTIPLICITY && PERL_IMPLICIT_CONTEXT | |
54aff467 GS |
443 | |
444 | All other combinations of these flags are errors. | |
445 | ||
3db8f154 | 446 | only #3 is supported directly, while #2 is a special |
54aff467 GS |
447 | case of #3 (supported by redefining vTHX appropriately). |
448 | */ | |
cea2e8a9 | 449 | |
54aff467 | 450 | #if defined(MULTIPLICITY) |
3db8f154 | 451 | /* cases 2 and 3 above */ |
cea2e8a9 | 452 | |
54aff467 GS |
453 | # if defined(PERL_IMPLICIT_CONTEXT) |
454 | # define vTHX aTHX | |
455 | # else | |
456 | # define vTHX PERL_GET_INTERP | |
457 | # endif | |
cea2e8a9 | 458 | |
e50aee73 AD |
459 | END |
460 | ||
adf34b4b NC |
461 | my $sym; |
462 | ||
463 | for $sym (@intrp) { | |
1a904fc8 FC |
464 | if ($sym eq 'sawampersand') { |
465 | print $em "#ifndef PL_sawampersand\n"; | |
466 | } | |
424a4936 | 467 | print $em multon($sym,'I','vTHX->'); |
1a904fc8 FC |
468 | if ($sym eq 'sawampersand') { |
469 | print $em "#endif\n"; | |
470 | } | |
d4cce5f1 NIS |
471 | } |
472 | ||
424a4936 | 473 | print $em <<'END'; |
d4cce5f1 | 474 | |
54aff467 | 475 | #endif /* MULTIPLICITY */ |
d4cce5f1 | 476 | |
54aff467 | 477 | #if defined(PERL_GLOBAL_STRUCT) |
22239a37 NIS |
478 | |
479 | END | |
480 | ||
adf34b4b | 481 | for $sym (@globvar) { |
0447859b | 482 | print $em "#ifdef OS2\n" if $sym eq 'sh_path'; |
424a4936 NC |
483 | print $em multon($sym, 'G','my_vars->'); |
484 | print $em multon("G$sym",'', 'my_vars->'); | |
0447859b | 485 | print $em "#endif\n" if $sym eq 'sh_path'; |
22239a37 NIS |
486 | } |
487 | ||
424a4936 | 488 | print $em <<'END'; |
22239a37 | 489 | |
22239a37 | 490 | #endif /* PERL_GLOBAL_STRUCT */ |
84fee439 NIS |
491 | END |
492 | ||
ce716c52 | 493 | read_only_bottom_close_and_rename($em); |
c6af7a1a | 494 | |
5f8dc073 | 495 | my $capih = open_print_header('perlapi.h'); |
51371543 | 496 | |
5f8dc073 | 497 | print $capih <<'EOT'; |
51371543 | 498 | /* declare accessor functions for Perl variables */ |
6f4183fe GS |
499 | #ifndef __perlapi_h__ |
500 | #define __perlapi_h__ | |
51371543 | 501 | |
87b9e160 | 502 | #if defined (MULTIPLICITY) && defined (PERL_GLOBAL_STRUCT) |
c5be433b | 503 | |
51371543 GS |
504 | START_EXTERN_C |
505 | ||
506 | #undef PERLVAR | |
507 | #undef PERLVARA | |
508 | #undef PERLVARI | |
509 | #undef PERLVARIC | |
115ff745 NC |
510 | #define PERLVAR(p,v,t) EXTERN_C t* Perl_##p##v##_ptr(pTHX); |
511 | #define PERLVARA(p,v,n,t) typedef t PL_##v##_t[n]; \ | |
512 | EXTERN_C PL_##v##_t* Perl_##p##v##_ptr(pTHX); | |
513 | #define PERLVARI(p,v,t,i) PERLVAR(p,v,t) | |
514 | #define PERLVARIC(p,v,t,i) PERLVAR(p,v, const t) | |
51371543 | 515 | |
51371543 GS |
516 | #include "perlvars.h" |
517 | ||
518 | #undef PERLVAR | |
519 | #undef PERLVARA | |
520 | #undef PERLVARI | |
521 | #undef PERLVARIC | |
27da23d5 | 522 | |
51371543 GS |
523 | END_EXTERN_C |
524 | ||
682fc664 | 525 | #if defined(PERL_CORE) |
6f4183fe | 526 | |
87b9e160 | 527 | /* accessor functions for Perl "global" variables */ |
682fc664 GS |
528 | |
529 | /* these need to be mentioned here, or most linkers won't put them in | |
530 | the perl executable */ | |
531 | ||
532 | #ifndef PERL_NO_FORCE_LINK | |
533 | ||
534 | START_EXTERN_C | |
535 | ||
536 | #ifndef DOINIT | |
27da23d5 | 537 | EXTCONST void * const PL_force_link_funcs[]; |
682fc664 | 538 | #else |
27da23d5 | 539 | EXTCONST void * const PL_force_link_funcs[] = { |
682fc664 GS |
540 | #undef PERLVAR |
541 | #undef PERLVARA | |
542 | #undef PERLVARI | |
543 | #undef PERLVARIC | |
115ff745 NC |
544 | #define PERLVAR(p,v,t) (void*)Perl_##p##v##_ptr, |
545 | #define PERLVARA(p,v,n,t) PERLVAR(p,v,t) | |
546 | #define PERLVARI(p,v,t,i) PERLVAR(p,v,t) | |
547 | #define PERLVARIC(p,v,t,i) PERLVAR(p,v,t) | |
682fc664 | 548 | |
3c0f78ca JH |
549 | /* In Tru64 (__DEC && __osf__) the cc option -std1 causes that one |
550 | * cannot cast between void pointers and function pointers without | |
551 | * info level warnings. The PL_force_link_funcs[] would cause a few | |
552 | * hundred of those warnings. In code one can circumnavigate this by using | |
553 | * unions that overlay the different pointers, but in declarations one | |
554 | * cannot use this trick. Therefore we just disable the warning here | |
555 | * for the duration of the PL_force_link_funcs[] declaration. */ | |
556 | ||
557 | #if defined(__DECC) && defined(__osf__) | |
558 | #pragma message save | |
559 | #pragma message disable (nonstandcast) | |
560 | #endif | |
561 | ||
682fc664 GS |
562 | #include "perlvars.h" |
563 | ||
3c0f78ca JH |
564 | #if defined(__DECC) && defined(__osf__) |
565 | #pragma message restore | |
566 | #endif | |
567 | ||
682fc664 GS |
568 | #undef PERLVAR |
569 | #undef PERLVARA | |
570 | #undef PERLVARI | |
571 | #undef PERLVARIC | |
572 | }; | |
573 | #endif /* DOINIT */ | |
574 | ||
acfe0abc | 575 | END_EXTERN_C |
682fc664 GS |
576 | |
577 | #endif /* PERL_NO_FORCE_LINK */ | |
578 | ||
579 | #else /* !PERL_CORE */ | |
51371543 GS |
580 | |
581 | EOT | |
582 | ||
adf34b4b | 583 | foreach $sym (@globvar) { |
5f9c6535 NC |
584 | print $capih |
585 | "#undef PL_$sym\n" . hide("PL_$sym", "(*Perl_G${sym}_ptr(NULL))"); | |
6f4183fe GS |
586 | } |
587 | ||
424a4936 | 588 | print $capih <<'EOT'; |
6f4183fe GS |
589 | |
590 | #endif /* !PERL_CORE */ | |
87b9e160 | 591 | #endif /* MULTIPLICITY && PERL_GLOBAL_STRUCT */ |
6f4183fe GS |
592 | |
593 | #endif /* __perlapi_h__ */ | |
6f4183fe | 594 | EOT |
ce716c52 NC |
595 | |
596 | read_only_bottom_close_and_rename($capih); | |
51371543 | 597 | |
5f8dc073 | 598 | my $capi = open_print_header('perlapi.c', <<'EOQ'); |
56fd1190 | 599 | * |
892eaa71 NC |
600 | * |
601 | * Up to the threshold of the door there mounted a flight of twenty-seven | |
602 | * broad stairs, hewn by some unknown art of the same black stone. This | |
603 | * was the only entrance to the tower; ... | |
604 | * | |
605 | * [p.577 of _The Lord of the Rings_, III/x: "The Voice of Saruman"] | |
606 | * | |
607 | */ | |
56fd1190 | 608 | EOQ |
892eaa71 | 609 | |
5f8dc073 | 610 | print $capi <<'EOT'; |
51371543 GS |
611 | #include "EXTERN.h" |
612 | #include "perl.h" | |
613 | #include "perlapi.h" | |
614 | ||
87b9e160 | 615 | #if defined (MULTIPLICITY) && defined (PERL_GLOBAL_STRUCT) |
51371543 | 616 | |
87b9e160 | 617 | /* accessor functions for Perl "global" variables */ |
51371543 GS |
618 | START_EXTERN_C |
619 | ||
51371543 | 620 | #undef PERLVARI |
115ff745 | 621 | #define PERLVARI(p,v,t,i) PERLVAR(p,v,t) |
c5be433b GS |
622 | |
623 | #undef PERLVAR | |
624 | #undef PERLVARA | |
115ff745 | 625 | #define PERLVAR(p,v,t) t* Perl_##p##v##_ptr(pTHX) \ |
96a5add6 | 626 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
115ff745 | 627 | #define PERLVARA(p,v,n,t) PL_##v##_t* Perl_##p##v##_ptr(pTHX) \ |
96a5add6 | 628 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
34f7a5fe | 629 | #undef PERLVARIC |
115ff745 NC |
630 | #define PERLVARIC(p,v,t,i) \ |
631 | const t* Perl_##p##v##_ptr(pTHX) \ | |
96a5add6 | 632 | { PERL_UNUSED_CONTEXT; return (const t *)&(PL_##v); } |
51371543 GS |
633 | #include "perlvars.h" |
634 | ||
635 | #undef PERLVAR | |
636 | #undef PERLVARA | |
637 | #undef PERLVARI | |
638 | #undef PERLVARIC | |
27da23d5 | 639 | |
acfe0abc | 640 | END_EXTERN_C |
6f4183fe | 641 | |
87b9e160 | 642 | #endif /* MULTIPLICITY && PERL_GLOBAL_STRUCT */ |
51371543 GS |
643 | EOT |
644 | ||
ce716c52 | 645 | read_only_bottom_close_and_rename($capi); |
acfe0abc | 646 | |
1b6737cc | 647 | # ex: set ts=8 sts=4 sw=4 noet: |