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 | } |
f54cb97a AL |
209 | if ( @attrs ) { |
210 | $ret .= "\n"; | |
211 | $ret .= join( "\n", map { "\t\t\t$_" } @attrs ); | |
4373e329 | 212 | } |
af3c7592 | 213 | $ret .= ";"; |
88e01c9d | 214 | $ret = "/* $ret */" if $commented_out; |
7918f24d NC |
215 | if (@names_of_nn) { |
216 | $ret .= "\n#define PERL_ARGS_ASSERT_\U$plain_func\E\t\\\n\t" | |
217 | . join '; ', map "assert($_)", @names_of_nn; | |
218 | } | |
f54cb97a | 219 | $ret .= @attrs ? "\n\n" : "\n"; |
9516dc40 NC |
220 | |
221 | print $pr $ret; | |
cea2e8a9 | 222 | } |
9516dc40 | 223 | |
897d3989 NC |
224 | print $pr <<'EOF'; |
225 | #ifdef PERL_CORE | |
226 | # include "pp_proto.h" | |
227 | #endif | |
228 | END_EXTERN_C | |
897d3989 | 229 | EOF |
9516dc40 | 230 | |
ce716c52 | 231 | read_only_bottom_close_and_rename($pr); |
cea2e8a9 GS |
232 | } |
233 | ||
7827dc65 | 234 | warn "$unflagged_pointers pointer arguments to clean up\n" if $unflagged_pointers; |
cea2e8a9 | 235 | |
adf34b4b NC |
236 | sub readvars { |
237 | my ($file, $pre) = @_; | |
d4cce5f1 | 238 | local (*FILE, $_); |
adf34b4b | 239 | my %seen; |
d4cce5f1 NIS |
240 | open(FILE, "< $file") |
241 | or die "embed.pl: Can't open $file: $!\n"; | |
242 | while (<FILE>) { | |
243 | s/[ \t]*#.*//; # Delete comments. | |
115ff745 | 244 | if (/PERLVARA?I?C?\($pre,\s*(\w+)/) { |
adf34b4b NC |
245 | warn "duplicate symbol $1 while processing $file line $.\n" |
246 | if $seen{$1}++; | |
d4cce5f1 NIS |
247 | } |
248 | } | |
249 | close(FILE); | |
adf34b4b | 250 | return sort keys %seen; |
d4cce5f1 NIS |
251 | } |
252 | ||
adf34b4b NC |
253 | my @intrp = readvars 'intrpvar.h','I'; |
254 | my @globvar = readvars 'perlvars.h','G'; | |
d4cce5f1 | 255 | |
125218eb NC |
256 | sub hide { |
257 | my ($from, $to, $indent) = @_; | |
258 | $indent = '' unless defined $indent; | |
259 | my $t = int(length("$indent$from") / 8); | |
260 | "#${indent}define $from" . "\t" x ($t < 3 ? 3 - $t : 1) . "$to\n"; | |
5f05dabc | 261 | } |
c6af7a1a | 262 | |
d4cce5f1 NIS |
263 | sub multon ($$$) { |
264 | my ($sym,$pre,$ptr) = @_; | |
3280af22 | 265 | hide("PL_$sym", "($ptr$pre$sym)"); |
5f05dabc | 266 | } |
54aff467 | 267 | |
5f8dc073 | 268 | my $em = open_print_header('embed.h'); |
e50aee73 | 269 | |
5f8dc073 | 270 | print $em <<'END'; |
e50aee73 AD |
271 | /* (Doing namespace management portably in C is really gross.) */ |
272 | ||
d51482e4 JH |
273 | /* By defining PERL_NO_SHORT_NAMES (not done by default) the short forms |
274 | * (like warn instead of Perl_warn) for the API are not defined. | |
275 | * Not defining the short forms is a good thing for cleaner embedding. */ | |
276 | ||
277 | #ifndef PERL_NO_SHORT_NAMES | |
820c3be9 | 278 | |
22c35a8c | 279 | /* Hide global symbols */ |
5f05dabc | 280 | |
e50aee73 AD |
281 | END |
282 | ||
cea2e8a9 GS |
283 | my @az = ('a'..'z'); |
284 | ||
e8a67806 NC |
285 | sub embed_h { |
286 | my ($guard, $funcs) = @_; | |
287 | print $em "$guard\n" if $guard; | |
288 | ||
2a4d8072 | 289 | my $lines; |
e8a67806 NC |
290 | foreach (@$funcs) { |
291 | if (@$_ == 1) { | |
292 | my $cond = $_->[0]; | |
293 | # Indent the conditionals if we are wrapped in an #if/#endif pair. | |
294 | $cond =~ s/#(.*)/# $1/ if $guard; | |
2a4d8072 | 295 | $lines .= "$cond\n"; |
e8a67806 NC |
296 | next; |
297 | } | |
298 | my $ret = ""; | |
299 | my ($flags,$retval,$func,@args) = @$_; | |
af3c7592 | 300 | unless ($flags =~ /[om]/) { |
cea2e8a9 | 301 | my $args = scalar @args; |
7a5a24f7 | 302 | if ($flags =~ /n/) { |
03b6588a | 303 | $ret = hide($func, full_name($func, $flags)); |
cea2e8a9 | 304 | } |
7a5a24f7 | 305 | elsif ($args and $args[$args-1] =~ /\.\.\./) { |
e64ca59f NC |
306 | if ($flags =~ /p/) { |
307 | # we're out of luck for varargs functions under CPP | |
308 | # So we can only do these macros for no implicit context: | |
309 | $ret = "#ifndef PERL_IMPLICIT_CONTEXT\n" | |
03b6588a | 310 | . hide($func, full_name($func, $flags)) . "#endif\n"; |
e64ca59f | 311 | } |
7a5a24f7 | 312 | } |
cea2e8a9 GS |
313 | else { |
314 | my $alist = join(",", @az[0..$args-1]); | |
315 | $ret = "#define $func($alist)"; | |
316 | my $t = int(length($ret) / 8); | |
317 | $ret .= "\t" x ($t < 4 ? 4 - $t : 1); | |
03b6588a | 318 | $ret .= full_name($func, $flags) . "(aTHX"; |
cea2e8a9 GS |
319 | $ret .= "_ " if $alist; |
320 | $ret .= $alist . ")\n"; | |
321 | } | |
322 | } | |
2a4d8072 | 323 | $lines .= $ret; |
cea2e8a9 | 324 | } |
2a4d8072 NC |
325 | # Prune empty #if/#endif pairs. |
326 | while ($lines =~ s/#\s*if[^\n]+\n#\s*endif\n//) { | |
327 | } | |
b2e549c0 NC |
328 | # Merge adjacent blocks. |
329 | while ($lines =~ s/(#ifndef PERL_IMPLICIT_CONTEXT | |
330 | [^\n]+ | |
331 | )#endif | |
332 | #ifndef PERL_IMPLICIT_CONTEXT | |
333 | /$1/) { | |
334 | } | |
335 | ||
2a4d8072 | 336 | print $em $lines; |
e8a67806 | 337 | print $em "#endif\n" if $guard; |
da4ddda1 NC |
338 | } |
339 | ||
5ccbf88e NC |
340 | embed_h('', $api); |
341 | embed_h('#if defined(PERL_CORE) || defined(PERL_EXT)', $ext); | |
342 | embed_h('#ifdef PERL_CORE', $core); | |
e8a67806 | 343 | |
424a4936 | 344 | print $em <<'END'; |
e50aee73 | 345 | |
d51482e4 | 346 | #endif /* #ifndef PERL_NO_SHORT_NAMES */ |
35209cc8 | 347 | |
cea2e8a9 GS |
348 | /* Compatibility stubs. Compile extensions with -DPERL_NOCOMPAT to |
349 | disable them. | |
350 | */ | |
351 | ||
538feb02 | 352 | #if !defined(PERL_CORE) |
5bc28da9 | 353 | # define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,PTR2IV(ptr)) |
a0714e2c | 354 | # define sv_setptrref(rv,ptr) sv_setref_iv(rv,NULL,PTR2IV(ptr)) |
538feb02 | 355 | #endif |
cea2e8a9 | 356 | |
08e5223a | 357 | #if !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) |
cea2e8a9 GS |
358 | |
359 | /* Compatibility for various misnamed functions. All functions | |
360 | in the API that begin with "perl_" (not "Perl_") take an explicit | |
361 | interpreter context pointer. | |
362 | The following are not like that, but since they had a "perl_" | |
363 | prefix in previous versions, we provide compatibility macros. | |
364 | */ | |
65cec589 | 365 | # define perl_atexit(a,b) call_atexit(a,b) |
7b53c8ee NC |
366 | END |
367 | ||
3a54c8e7 NC |
368 | foreach (@$embed) { |
369 | my ($flags, $retval, $func, @args) = @$_; | |
370 | next unless $func; | |
371 | next unless $flags =~ /O/; | |
7b53c8ee NC |
372 | |
373 | my $alist = join ",", @az[0..$#args]; | |
374 | my $ret = "# define perl_$func($alist)"; | |
375 | my $t = (length $ret) >> 3; | |
376 | $ret .= "\t" x ($t < 5 ? 5 - $t : 1); | |
3a54c8e7 NC |
377 | print $em "$ret$func($alist)\n"; |
378 | } | |
7b53c8ee | 379 | |
eacd26c2 NC |
380 | my @nocontext; |
381 | { | |
382 | my (%has_va, %has_nocontext); | |
5ccbf88e | 383 | foreach (@$embed) { |
eacd26c2 NC |
384 | next unless @$_ > 1; |
385 | ++$has_va{$_->[2]} if $_->[-1] =~ /\.\.\./; | |
386 | ++$has_nocontext{$1} if $_->[2] =~ /(.*)_nocontext/; | |
387 | } | |
388 | ||
389 | @nocontext = sort grep { | |
390 | $has_nocontext{$_} | |
391 | && !/printf/ # Not clear to me why these are skipped but they are. | |
392 | } keys %has_va; | |
393 | } | |
394 | ||
7b53c8ee | 395 | print $em <<'END'; |
cea2e8a9 GS |
396 | |
397 | /* varargs functions can't be handled with CPP macros. :-( | |
398 | This provides a set of compatibility functions that don't take | |
399 | an extra argument but grab the context pointer using the macro | |
400 | dTHX. | |
401 | */ | |
d51482e4 | 402 | #if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_NO_SHORT_NAMES) |
125218eb NC |
403 | END |
404 | ||
eacd26c2 | 405 | foreach (@nocontext) { |
125218eb NC |
406 | print $em hide($_, "Perl_${_}_nocontext", " "); |
407 | } | |
408 | ||
409 | print $em <<'END'; | |
cea2e8a9 GS |
410 | #endif |
411 | ||
412 | #endif /* !defined(PERL_CORE) && !defined(PERL_NOCOMPAT) */ | |
413 | ||
414 | #if !defined(PERL_IMPLICIT_CONTEXT) | |
415 | /* undefined symbols, point them back at the usual ones */ | |
125218eb NC |
416 | END |
417 | ||
eacd26c2 | 418 | foreach (@nocontext) { |
125218eb NC |
419 | print $em hide("Perl_${_}_nocontext", "Perl_$_", " "); |
420 | } | |
421 | ||
422 | print $em <<'END'; | |
cea2e8a9 | 423 | #endif |
d4cce5f1 NIS |
424 | END |
425 | ||
ce716c52 | 426 | read_only_bottom_close_and_rename($em); |
d4cce5f1 | 427 | |
5f8dc073 | 428 | $em = open_print_header('embedvar.h'); |
d4cce5f1 | 429 | |
5f8dc073 | 430 | print $em <<'END'; |
d4cce5f1 NIS |
431 | /* (Doing namespace management portably in C is really gross.) */ |
432 | ||
54aff467 | 433 | /* |
3db8f154 MB |
434 | The following combinations of MULTIPLICITY and PERL_IMPLICIT_CONTEXT |
435 | are supported: | |
54aff467 GS |
436 | 1) none |
437 | 2) MULTIPLICITY # supported for compatibility | |
438 | 3) MULTIPLICITY && PERL_IMPLICIT_CONTEXT | |
54aff467 GS |
439 | |
440 | All other combinations of these flags are errors. | |
441 | ||
3db8f154 | 442 | only #3 is supported directly, while #2 is a special |
54aff467 GS |
443 | case of #3 (supported by redefining vTHX appropriately). |
444 | */ | |
cea2e8a9 | 445 | |
54aff467 | 446 | #if defined(MULTIPLICITY) |
3db8f154 | 447 | /* cases 2 and 3 above */ |
cea2e8a9 | 448 | |
54aff467 GS |
449 | # if defined(PERL_IMPLICIT_CONTEXT) |
450 | # define vTHX aTHX | |
451 | # else | |
452 | # define vTHX PERL_GET_INTERP | |
453 | # endif | |
cea2e8a9 | 454 | |
e50aee73 AD |
455 | END |
456 | ||
adf34b4b NC |
457 | my $sym; |
458 | ||
459 | for $sym (@intrp) { | |
1a904fc8 FC |
460 | if ($sym eq 'sawampersand') { |
461 | print $em "#ifndef PL_sawampersand\n"; | |
462 | } | |
424a4936 | 463 | print $em multon($sym,'I','vTHX->'); |
1a904fc8 FC |
464 | if ($sym eq 'sawampersand') { |
465 | print $em "#endif\n"; | |
466 | } | |
d4cce5f1 NIS |
467 | } |
468 | ||
424a4936 | 469 | print $em <<'END'; |
d4cce5f1 | 470 | |
54aff467 | 471 | #endif /* MULTIPLICITY */ |
d4cce5f1 | 472 | |
54aff467 | 473 | #if defined(PERL_GLOBAL_STRUCT) |
22239a37 NIS |
474 | |
475 | END | |
476 | ||
adf34b4b | 477 | for $sym (@globvar) { |
0447859b | 478 | print $em "#ifdef OS2\n" if $sym eq 'sh_path'; |
424a4936 NC |
479 | print $em multon($sym, 'G','my_vars->'); |
480 | print $em multon("G$sym",'', 'my_vars->'); | |
0447859b | 481 | print $em "#endif\n" if $sym eq 'sh_path'; |
22239a37 NIS |
482 | } |
483 | ||
424a4936 | 484 | print $em <<'END'; |
22239a37 | 485 | |
22239a37 | 486 | #endif /* PERL_GLOBAL_STRUCT */ |
84fee439 NIS |
487 | END |
488 | ||
ce716c52 | 489 | read_only_bottom_close_and_rename($em); |
c6af7a1a | 490 | |
5f8dc073 | 491 | my $capih = open_print_header('perlapi.h'); |
51371543 | 492 | |
5f8dc073 | 493 | print $capih <<'EOT'; |
51371543 | 494 | /* declare accessor functions for Perl variables */ |
6f4183fe GS |
495 | #ifndef __perlapi_h__ |
496 | #define __perlapi_h__ | |
51371543 | 497 | |
87b9e160 | 498 | #if defined (MULTIPLICITY) && defined (PERL_GLOBAL_STRUCT) |
c5be433b | 499 | |
51371543 GS |
500 | START_EXTERN_C |
501 | ||
502 | #undef PERLVAR | |
503 | #undef PERLVARA | |
504 | #undef PERLVARI | |
505 | #undef PERLVARIC | |
115ff745 NC |
506 | #define PERLVAR(p,v,t) EXTERN_C t* Perl_##p##v##_ptr(pTHX); |
507 | #define PERLVARA(p,v,n,t) typedef t PL_##v##_t[n]; \ | |
508 | EXTERN_C PL_##v##_t* Perl_##p##v##_ptr(pTHX); | |
509 | #define PERLVARI(p,v,t,i) PERLVAR(p,v,t) | |
510 | #define PERLVARIC(p,v,t,i) PERLVAR(p,v, const t) | |
51371543 | 511 | |
51371543 GS |
512 | #include "perlvars.h" |
513 | ||
514 | #undef PERLVAR | |
515 | #undef PERLVARA | |
516 | #undef PERLVARI | |
517 | #undef PERLVARIC | |
27da23d5 | 518 | |
51371543 GS |
519 | END_EXTERN_C |
520 | ||
682fc664 | 521 | #if defined(PERL_CORE) |
6f4183fe | 522 | |
87b9e160 | 523 | /* accessor functions for Perl "global" variables */ |
682fc664 GS |
524 | |
525 | /* these need to be mentioned here, or most linkers won't put them in | |
526 | the perl executable */ | |
527 | ||
528 | #ifndef PERL_NO_FORCE_LINK | |
529 | ||
530 | START_EXTERN_C | |
531 | ||
532 | #ifndef DOINIT | |
27da23d5 | 533 | EXTCONST void * const PL_force_link_funcs[]; |
682fc664 | 534 | #else |
27da23d5 | 535 | EXTCONST void * const PL_force_link_funcs[] = { |
682fc664 GS |
536 | #undef PERLVAR |
537 | #undef PERLVARA | |
538 | #undef PERLVARI | |
539 | #undef PERLVARIC | |
115ff745 NC |
540 | #define PERLVAR(p,v,t) (void*)Perl_##p##v##_ptr, |
541 | #define PERLVARA(p,v,n,t) PERLVAR(p,v,t) | |
542 | #define PERLVARI(p,v,t,i) PERLVAR(p,v,t) | |
543 | #define PERLVARIC(p,v,t,i) PERLVAR(p,v,t) | |
682fc664 | 544 | |
3c0f78ca JH |
545 | /* In Tru64 (__DEC && __osf__) the cc option -std1 causes that one |
546 | * cannot cast between void pointers and function pointers without | |
547 | * info level warnings. The PL_force_link_funcs[] would cause a few | |
548 | * hundred of those warnings. In code one can circumnavigate this by using | |
549 | * unions that overlay the different pointers, but in declarations one | |
550 | * cannot use this trick. Therefore we just disable the warning here | |
551 | * for the duration of the PL_force_link_funcs[] declaration. */ | |
552 | ||
553 | #if defined(__DECC) && defined(__osf__) | |
554 | #pragma message save | |
555 | #pragma message disable (nonstandcast) | |
556 | #endif | |
557 | ||
682fc664 GS |
558 | #include "perlvars.h" |
559 | ||
3c0f78ca JH |
560 | #if defined(__DECC) && defined(__osf__) |
561 | #pragma message restore | |
562 | #endif | |
563 | ||
682fc664 GS |
564 | #undef PERLVAR |
565 | #undef PERLVARA | |
566 | #undef PERLVARI | |
567 | #undef PERLVARIC | |
568 | }; | |
569 | #endif /* DOINIT */ | |
570 | ||
acfe0abc | 571 | END_EXTERN_C |
682fc664 GS |
572 | |
573 | #endif /* PERL_NO_FORCE_LINK */ | |
574 | ||
575 | #else /* !PERL_CORE */ | |
51371543 GS |
576 | |
577 | EOT | |
578 | ||
adf34b4b | 579 | foreach $sym (@globvar) { |
5f9c6535 NC |
580 | print $capih |
581 | "#undef PL_$sym\n" . hide("PL_$sym", "(*Perl_G${sym}_ptr(NULL))"); | |
6f4183fe GS |
582 | } |
583 | ||
424a4936 | 584 | print $capih <<'EOT'; |
6f4183fe GS |
585 | |
586 | #endif /* !PERL_CORE */ | |
87b9e160 | 587 | #endif /* MULTIPLICITY && PERL_GLOBAL_STRUCT */ |
6f4183fe GS |
588 | |
589 | #endif /* __perlapi_h__ */ | |
6f4183fe | 590 | EOT |
ce716c52 NC |
591 | |
592 | read_only_bottom_close_and_rename($capih); | |
51371543 | 593 | |
5f8dc073 | 594 | my $capi = open_print_header('perlapi.c', <<'EOQ'); |
56fd1190 | 595 | * |
892eaa71 NC |
596 | * |
597 | * Up to the threshold of the door there mounted a flight of twenty-seven | |
598 | * broad stairs, hewn by some unknown art of the same black stone. This | |
599 | * was the only entrance to the tower; ... | |
600 | * | |
601 | * [p.577 of _The Lord of the Rings_, III/x: "The Voice of Saruman"] | |
602 | * | |
603 | */ | |
56fd1190 | 604 | EOQ |
892eaa71 | 605 | |
5f8dc073 | 606 | print $capi <<'EOT'; |
51371543 GS |
607 | #include "EXTERN.h" |
608 | #include "perl.h" | |
609 | #include "perlapi.h" | |
610 | ||
87b9e160 | 611 | #if defined (MULTIPLICITY) && defined (PERL_GLOBAL_STRUCT) |
51371543 | 612 | |
87b9e160 | 613 | /* accessor functions for Perl "global" variables */ |
51371543 GS |
614 | START_EXTERN_C |
615 | ||
51371543 | 616 | #undef PERLVARI |
115ff745 | 617 | #define PERLVARI(p,v,t,i) PERLVAR(p,v,t) |
c5be433b GS |
618 | |
619 | #undef PERLVAR | |
620 | #undef PERLVARA | |
115ff745 | 621 | #define PERLVAR(p,v,t) t* Perl_##p##v##_ptr(pTHX) \ |
96a5add6 | 622 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
115ff745 | 623 | #define PERLVARA(p,v,n,t) PL_##v##_t* Perl_##p##v##_ptr(pTHX) \ |
96a5add6 | 624 | { dVAR; PERL_UNUSED_CONTEXT; return &(PL_##v); } |
34f7a5fe | 625 | #undef PERLVARIC |
115ff745 NC |
626 | #define PERLVARIC(p,v,t,i) \ |
627 | const t* Perl_##p##v##_ptr(pTHX) \ | |
96a5add6 | 628 | { PERL_UNUSED_CONTEXT; return (const t *)&(PL_##v); } |
51371543 GS |
629 | #include "perlvars.h" |
630 | ||
631 | #undef PERLVAR | |
632 | #undef PERLVARA | |
633 | #undef PERLVARI | |
634 | #undef PERLVARIC | |
27da23d5 | 635 | |
acfe0abc | 636 | END_EXTERN_C |
6f4183fe | 637 | |
87b9e160 | 638 | #endif /* MULTIPLICITY && PERL_GLOBAL_STRUCT */ |
51371543 GS |
639 | EOT |
640 | ||
ce716c52 | 641 | read_only_bottom_close_and_rename($capi); |
acfe0abc | 642 | |
1b6737cc | 643 | # ex: set ts=8 sts=4 sw=4 noet: |