Commit | Line | Data |
4633a7c4 |
1 | #!/usr/local/bin/perl |
2 | |
3 | use Config; |
4 | use File::Basename qw(&basename &dirname); |
8a5546a1 |
5 | use Cwd; |
4633a7c4 |
6 | |
7 | # List explicitly here the variables you want Configure to |
8 | # generate. Metaconfig only looks for shell variables, so you |
9 | # have to mention them as if they were shell variables, not |
10 | # %Config entries. Thus you write |
11 | # $startperl |
12 | # to ensure Configure will look for $Config{startperl}. |
13 | |
14 | # This forces PL files to create target in same directory as PL file. |
15 | # This is so that make depend always knows where to find PL derivatives. |
8a5546a1 |
16 | $origdir = cwd; |
44a8e56a |
17 | chdir dirname($0); |
18 | $file = basename($0, '.PL'); |
774d564b |
19 | $file .= '.com' if $^O eq 'VMS'; |
4633a7c4 |
20 | |
21 | open OUT,">$file" or die "Can't create $file: $!"; |
22 | |
23 | print "Extracting $file (with variable substitutions)\n"; |
24 | |
25 | # In this section, perl variables will be expanded during extraction. |
26 | # You can use $Config{...} to use Configure variables. |
27 | |
28 | print OUT <<"!GROK!THIS!"; |
5f05dabc |
29 | $Config{startperl} |
30 | eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}' |
31 | if \$running_under_some_shell; |
40000a8c |
32 | !GROK!THIS! |
33 | |
4633a7c4 |
34 | # In the following, perl variables are not expanded during extraction. |
35 | |
36 | print OUT <<'!NO!SUBS!'; |
cf35f3c1 |
37 | |
3edbfbe5 |
38 | =head1 NAME |
39 | |
40 | h2xs - convert .h C header files to Perl extensions |
41 | |
42 | =head1 SYNOPSIS |
43 | |
a887ff11 |
44 | B<h2xs> [B<-AOPXcdf>] [B<-v> version] [B<-n> module_name] [B<-p> prefix] [B<-s> sub] [headerfile ... [extra_libraries]] |
f508c652 |
45 | |
46 | B<h2xs> B<-h> |
3edbfbe5 |
47 | |
48 | =head1 DESCRIPTION |
49 | |
a887ff11 |
50 | I<h2xs> builds a Perl extension from C header files. The extension |
51 | will include functions which can be used to retrieve the value of any |
52 | #define statement which was in the C header files. |
3edbfbe5 |
53 | |
54 | The I<module_name> will be used for the name of the extension. If |
a887ff11 |
55 | module_name is not supplied then the name of the first header file |
56 | will be used, with the first character capitalized. |
3edbfbe5 |
57 | |
58 | If the extension might need extra libraries, they should be included |
59 | here. The extension Makefile.PL will take care of checking whether |
60 | the libraries actually exist and how they should be loaded. |
61 | The extra libraries should be specified in the form -lm -lposix, etc, |
62 | just as on the cc command line. By default, the Makefile.PL will |
63 | search through the library path determined by Configure. That path |
64 | can be augmented by including arguments of the form B<-L/another/library/path> |
65 | in the extra-libraries argument. |
66 | |
67 | =head1 OPTIONS |
68 | |
69 | =over 5 |
70 | |
f508c652 |
71 | =item B<-A> |
3edbfbe5 |
72 | |
f508c652 |
73 | Omit all autoload facilities. This is the same as B<-c> but also removes the |
74 | S<C<require AutoLoader>> statement from the .pm file. |
3edbfbe5 |
75 | |
b73edd97 |
76 | =item B<-F> |
77 | |
78 | Additional flags to specify to C preprocessor when scanning header for |
79 | function declarations. Should not be used without B<-x>. |
80 | |
2920c5d2 |
81 | =item B<-O> |
82 | |
83 | Allows a pre-existing extension directory to be overwritten. |
84 | |
f508c652 |
85 | =item B<-P> |
3edbfbe5 |
86 | |
f508c652 |
87 | Omit the autogenerated stub POD section. |
3edbfbe5 |
88 | |
b73edd97 |
89 | =item B<-X> |
90 | |
91 | Omit the XS portion. Used to generate templates for a module which is not |
92 | XS-based. |
93 | |
3edbfbe5 |
94 | =item B<-c> |
95 | |
96 | Omit C<constant()> from the .xs file and corresponding specialised |
97 | C<AUTOLOAD> from the .pm file. |
98 | |
b73edd97 |
99 | =item B<-d> |
100 | |
101 | Turn on debugging messages. |
102 | |
f508c652 |
103 | =item B<-f> |
3edbfbe5 |
104 | |
f508c652 |
105 | Allows an extension to be created for a header even if that header is |
106 | not found in /usr/include. |
107 | |
108 | =item B<-h> |
109 | |
110 | Print the usage, help and version for this h2xs and exit. |
111 | |
112 | =item B<-n> I<module_name> |
113 | |
114 | Specifies a name to be used for the extension, e.g., S<-n RPC::DCE> |
115 | |
ead2a595 |
116 | =item B<-p> I<prefix> |
117 | |
118 | Specify a prefix which should be removed from the Perl function names, e.g., S<-p sec_rgy_> |
119 | This sets up the XS B<PREFIX> keyword and removes the prefix from functions that are |
120 | autoloaded via the C<constant()> mechansim. |
121 | |
122 | =item B<-s> I<sub1,sub2> |
123 | |
124 | Create a perl subroutine for the specified macros rather than autoload with the constant() subroutine. |
125 | These macros are assumed to have a return type of B<char *>, e.g., S<-s sec_rgy_wildcard_name,sec_rgy_wildcard_sid>. |
126 | |
f508c652 |
127 | =item B<-v> I<version> |
128 | |
129 | Specify a version number for this extension. This version number is added |
130 | to the templates. The default is 0.01. |
3edbfbe5 |
131 | |
760ac839 |
132 | =item B<-x> |
133 | |
134 | Automatically generate XSUBs basing on function declarations in the |
135 | header file. The package C<C::Scan> should be installed. If this |
136 | option is specified, the name of the header file may look like |
137 | C<NAME1,NAME2>. In this case NAME1 is used instead of the specified string, |
b73edd97 |
138 | but XSUBs are emitted only for the declarations included from file NAME2. |
760ac839 |
139 | |
5273d82d |
140 | Note that some types of arguments/return-values for functions may |
141 | result in XSUB-declarations/typemap-entries which need |
142 | hand-editing. Such may be objects which cannot be converted from/to a |
143 | pointer (like C<long long>), pointers to functions, or arrays. |
144 | |
3edbfbe5 |
145 | =back |
146 | |
147 | =head1 EXAMPLES |
148 | |
149 | |
150 | # Default behavior, extension is Rusers |
151 | h2xs rpcsvc/rusers |
152 | |
153 | # Same, but extension is RUSERS |
154 | h2xs -n RUSERS rpcsvc/rusers |
155 | |
156 | # Extension is rpcsvc::rusers. Still finds <rpcsvc/rusers.h> |
157 | h2xs rpcsvc::rusers |
158 | |
159 | # Extension is ONC::RPC. Still finds <rpcsvc/rusers.h> |
160 | h2xs -n ONC::RPC rpcsvc/rusers |
161 | |
162 | # Without constant() or AUTOLOAD |
163 | h2xs -c rpcsvc/rusers |
164 | |
165 | # Creates templates for an extension named RPC |
166 | h2xs -cfn RPC |
167 | |
168 | # Extension is ONC::RPC. |
169 | h2xs -cfn ONC::RPC |
170 | |
171 | # Makefile.PL will look for library -lrpc in |
172 | # additional directory /opt/net/lib |
173 | h2xs rpcsvc/rusers -L/opt/net/lib -lrpc |
174 | |
ead2a595 |
175 | # Extension is DCE::rgynbase |
176 | # prefix "sec_rgy_" is dropped from perl function names |
177 | h2xs -n DCE::rgynbase -p sec_rgy_ dce/rgynbase |
178 | |
179 | # Extension is DCE::rgynbase |
180 | # prefix "sec_rgy_" is dropped from perl function names |
181 | # subroutines are created for sec_rgy_wildcard_name and sec_rgy_wildcard_sid |
182 | h2xs -n DCE::rgynbase -p sec_rgy_ \ |
183 | -s sec_rgy_wildcard_name,sec_rgy_wildcard_sid dce/rgynbase |
3edbfbe5 |
184 | |
5273d82d |
185 | # Make XS without defines in perl.h, but with function declarations |
760ac839 |
186 | # visible from perl.h. Name of the extension is perl1. |
187 | # When scanning perl.h, define -DEXT=extern -DdEXT= -DINIT(x)= |
188 | # Extra backslashes below because the string is passed to shell. |
5273d82d |
189 | # Note that a directory with perl header files would |
190 | # be added automatically to include path. |
191 | h2xs -xAn perl1 -F "-DEXT=extern -DdEXT= -DINIT\(x\)=" perl.h |
760ac839 |
192 | |
193 | # Same with function declaration in proto.h as visible from perl.h. |
5273d82d |
194 | h2xs -xAn perl2 perl.h,proto.h |
760ac839 |
195 | |
3edbfbe5 |
196 | =head1 ENVIRONMENT |
197 | |
198 | No environment variables are used. |
199 | |
200 | =head1 AUTHOR |
201 | |
202 | Larry Wall and others |
203 | |
204 | =head1 SEE ALSO |
205 | |
f508c652 |
206 | L<perl>, L<perlxstut>, L<ExtUtils::MakeMaker>, and L<AutoLoader>. |
3edbfbe5 |
207 | |
208 | =head1 DIAGNOSTICS |
209 | |
760ac839 |
210 | The usual warnings if it cannot read or write the files involved. |
3edbfbe5 |
211 | |
212 | =cut |
213 | |
b73edd97 |
214 | my( $H2XS_VERSION ) = ' $Revision: 1.18 $ ' =~ /\$Revision:\s+([^\s]+)/; |
f508c652 |
215 | my $TEMPLATE_VERSION = '0.01'; |
a0d0e21e |
216 | |
217 | use Getopt::Std; |
218 | |
e1666bf5 |
219 | sub usage{ |
220 | warn "@_\n" if @_; |
b73edd97 |
221 | die "h2xs [-AOPXcdfh] [-v version] [-n module_name] [-p prefix] [-s subs] [headerfile [extra_libraries]] |
f508c652 |
222 | version: $H2XS_VERSION |
3edbfbe5 |
223 | -A Omit all autoloading facilities (implies -c). |
b73edd97 |
224 | -F Additional flags for C preprocessor (used with -x). |
2920c5d2 |
225 | -O Allow overwriting of a pre-existing extension directory. |
f508c652 |
226 | -P Omit the stub POD section. |
2920c5d2 |
227 | -X Omit the XS portion. |
b73edd97 |
228 | -c Omit the constant() function and specialised AUTOLOAD from the XS file. |
229 | -d Turn on debugging messages. |
230 | -f Force creation of the extension even if the C header does not exist. |
231 | -h Display this help message |
232 | -n Specify a name to use for the extension (recommended). |
233 | -p Specify a prefix which should be removed from the Perl function names. |
234 | -s Create subroutines for specified macros. |
f508c652 |
235 | -v Specify a version number for this extension. |
760ac839 |
236 | -x Autogenerate XSUBs using C::Scan. |
e1666bf5 |
237 | extra_libraries |
238 | are any libraries that might be needed for loading the |
239 | extension, e.g. -lm would try to link in the math library. |
f508c652 |
240 | "; |
e1666bf5 |
241 | } |
a0d0e21e |
242 | |
a0d0e21e |
243 | |
b73edd97 |
244 | getopts("AF:OPXcdfhn:p:s:v:x") || usage; |
a0d0e21e |
245 | |
e1666bf5 |
246 | usage if $opt_h; |
f508c652 |
247 | |
248 | if( $opt_v ){ |
249 | $TEMPLATE_VERSION = $opt_v; |
250 | } |
e1666bf5 |
251 | $opt_c = 1 if $opt_A; |
ead2a595 |
252 | %const_xsub = map { $_,1 } split(/,+/, $opt_s) if $opt_s; |
a0d0e21e |
253 | |
a887ff11 |
254 | while (my $arg = shift) { |
255 | if ($arg =~ /^-l/i) { |
256 | $extralibs = "$arg @ARGV"; |
257 | last; |
258 | } |
259 | push(@path_h, $arg); |
260 | } |
e1666bf5 |
261 | |
262 | usage "Must supply header file or module name\n" |
a887ff11 |
263 | unless (@path_h or $opt_n); |
e1666bf5 |
264 | |
a0d0e21e |
265 | |
a887ff11 |
266 | if( @path_h ){ |
267 | foreach my $path_h (@path_h) { |
268 | $name ||= $path_h; |
e1666bf5 |
269 | if( $path_h =~ s#::#/#g && $opt_n ){ |
270 | warn "Nesting of headerfile ignored with -n\n"; |
271 | } |
272 | $path_h .= ".h" unless $path_h =~ /\.h$/; |
760ac839 |
273 | $fullpath = $path_h; |
274 | $path_h =~ s/,.*$// if $opt_x; |
ead2a595 |
275 | if ($^O eq 'VMS') { # Consider overrides of default location |
276 | if ($path_h !~ m![:>\[]!) { |
277 | my($hadsys) = ($path_h =~ s!^sys/!!i); |
278 | if ($ENV{'DECC$System_Include'}) { $path_h = "DECC\$System_Include:$path_h"; } |
279 | elsif ($ENV{'DECC$Library_Include'}) { $path_h = "DECC\$Library_Include:$path_h"; } |
280 | elsif ($ENV{'GNU_CC_Include'}) { $path_h = 'GNU_CC_Include:' . |
281 | ($hadsys ? '[vms]' : '[000000]') . $path_h; } |
282 | elsif ($ENV{'VAXC$Include'}) { $path_h = "VAXC\$_Include:$path_h"; } |
283 | else { $path_h = "Sys\$Library:$path_h"; } |
284 | } |
285 | } |
286 | elsif ($^O eq 'os2') { |
5273d82d |
287 | $path_h = "/usr/include/$path_h" |
288 | if $path_h !~ m#^([a-z]:)?[./]#i and -r "/usr/include/$path_h"; |
289 | } |
290 | else { |
291 | $path_h = "/usr/include/$path_h" |
292 | if $path_h !~ m#^[./]# and -r "/usr/include/$path_h"; |
ead2a595 |
293 | } |
5273d82d |
294 | |
295 | if (!$opt_c) { |
296 | die "Can't find $path_h\n" if ( ! $opt_f && ! -f $path_h ); |
297 | # Scan the header file (we should deal with nested header files) |
298 | # Record the names of simple #define constants into const_names |
a887ff11 |
299 | # Function prototypes are processed below. |
5273d82d |
300 | open(CH, "<$path_h") || die "Can't open $path_h: $!\n"; |
301 | while (<CH>) { |
b73edd97 |
302 | if (/^#[ \t]*define\s+([\$\w]+)\b\s*[^("]/) { |
303 | print "Matched $_ ($1)\n" if $opt_d; |
e1666bf5 |
304 | $_ = $1; |
305 | next if /^_.*_h_*$/i; # special case, but for what? |
760ac839 |
306 | if (defined $opt_p) { |
5273d82d |
307 | if (!/^$opt_p(\d)/) { |
308 | ++$prefix{$_} if s/^$opt_p//; |
309 | } |
310 | else { |
311 | warn "can't remove $opt_p prefix from '$_'!\n"; |
312 | } |
ead2a595 |
313 | } |
e1666bf5 |
314 | $const_names{$_}++; |
5273d82d |
315 | } |
316 | } |
317 | close(CH); |
e1666bf5 |
318 | } |
a887ff11 |
319 | } |
320 | @const_names = sort keys %const_names; |
a0d0e21e |
321 | } |
322 | |
e1666bf5 |
323 | |
a0d0e21e |
324 | $module = $opt_n || do { |
325 | $name =~ s/\.h$//; |
326 | if( $name !~ /::/ ){ |
327 | $name =~ s#^.*/##; |
328 | $name = "\u$name"; |
329 | } |
330 | $name; |
331 | }; |
332 | |
8e07c86e |
333 | (chdir 'ext', $ext = 'ext/') if -d 'ext'; |
a0d0e21e |
334 | |
335 | if( $module =~ /::/ ){ |
336 | $nested = 1; |
337 | @modparts = split(/::/,$module); |
338 | $modfname = $modparts[-1]; |
339 | $modpname = join('/',@modparts); |
340 | } |
341 | else { |
342 | $nested = 0; |
343 | @modparts = (); |
344 | $modfname = $modpname = $module; |
345 | } |
346 | |
347 | |
2920c5d2 |
348 | if ($opt_O) { |
349 | warn "Overwriting existing $ext$modpname!!!\n" if -e $modpname; |
350 | } else { |
351 | die "Won't overwrite existing $ext$modpname\n" if -e $modpname; |
352 | } |
c07a80fd |
353 | if( $nested ){ |
354 | $modpath = ""; |
355 | foreach (@modparts){ |
356 | mkdir("$modpath$_", 0777); |
357 | $modpath .= "$_/"; |
358 | } |
359 | } |
a0d0e21e |
360 | mkdir($modpname, 0777); |
8e07c86e |
361 | chdir($modpname) || die "Can't chdir $ext$modpname: $!\n"; |
a0d0e21e |
362 | |
5273d82d |
363 | my %types_seen; |
364 | my %std_types; |
365 | my $fdecls; |
366 | my $fdecls_parsed; |
367 | |
2920c5d2 |
368 | if( ! $opt_X ){ # use XS, unless it was disabled |
369 | open(XS, ">$modfname.xs") || die "Can't create $ext$modpname/$modfname.xs: $!\n"; |
5273d82d |
370 | if ($opt_x) { |
371 | require C::Scan; # Run-time directive |
372 | require Config; # Run-time directive |
373 | warn "Scanning typemaps...\n"; |
374 | get_typemap(); |
375 | my $c; |
376 | my $filter; |
a887ff11 |
377 | my @fdecls; |
378 | foreach my $filename (@path_h) { |
5273d82d |
379 | my $addflags = $opt_F || ''; |
380 | if ($fullpath =~ /,/) { |
381 | $filename = $`; |
382 | $filter = $'; |
383 | } |
384 | warn "Scanning $filename for functions...\n"; |
385 | $c = new C::Scan 'filename' => $filename, 'filename_filter' => $filter, |
386 | 'add_cppflags' => $addflags; |
387 | $c->set('includeDirs' => ["$Config::Config{archlib}/CORE"]); |
388 | |
389 | $fdecls_parsed = $c->get('parsed_fdecls'); |
a887ff11 |
390 | push(@fdecls, @{$c->get('fdecls')}); |
391 | } |
392 | $fdecls = [ @fdecls ]; |
5273d82d |
393 | } |
2920c5d2 |
394 | } |
5273d82d |
395 | |
8e07c86e |
396 | open(PM, ">$modfname.pm") || die "Can't create $ext$modpname/$modfname.pm: $!\n"; |
a0d0e21e |
397 | |
a0d0e21e |
398 | $" = "\n\t"; |
8e07c86e |
399 | warn "Writing $ext$modpname/$modfname.pm\n"; |
a0d0e21e |
400 | |
a0d0e21e |
401 | print PM <<"END"; |
402 | package $module; |
403 | |
2920c5d2 |
404 | use strict; |
405 | END |
406 | |
407 | if( $opt_X || $opt_c || $opt_A ){ |
408 | # we won't have our own AUTOLOAD(), so won't have $AUTOLOAD |
409 | print PM <<'END'; |
f192e801 |
410 | use vars qw($VERSION @ISA @EXPORT @EXPORT_OK); |
2920c5d2 |
411 | END |
412 | } |
413 | else{ |
414 | # we'll have an AUTOLOAD(), and it will have $AUTOLOAD and |
415 | # will want Carp. |
416 | print PM <<'END'; |
417 | use Carp; |
f192e801 |
418 | use vars qw($VERSION @ISA @EXPORT @EXPORT_OK $AUTOLOAD); |
2920c5d2 |
419 | END |
420 | } |
421 | |
422 | print PM <<'END'; |
423 | |
a0d0e21e |
424 | require Exporter; |
2920c5d2 |
425 | END |
426 | |
427 | print PM <<"END" if ! $opt_X; # use DynaLoader, unless XS was disabled |
a0d0e21e |
428 | require DynaLoader; |
3edbfbe5 |
429 | END |
430 | |
2920c5d2 |
431 | # require autoloader if XS is disabled. |
432 | # if XS is enabled, require autoloader unless autoloading is disabled. |
464ed3b6 |
433 | if( ($opt_X && (! $opt_A)) || (!$opt_X) ) { |
3edbfbe5 |
434 | print PM <<"END"; |
435 | require AutoLoader; |
436 | END |
437 | } |
438 | |
2920c5d2 |
439 | if( $opt_X || ($opt_c && ! $opt_A) ){ |
3edbfbe5 |
440 | # we won't have our own AUTOLOAD(), so we'll inherit it. |
2920c5d2 |
441 | if( ! $opt_X ) { # use DynaLoader, unless XS was disabled |
442 | print PM <<"END"; |
e1666bf5 |
443 | |
a0d0e21e |
444 | \@ISA = qw(Exporter AutoLoader DynaLoader); |
3edbfbe5 |
445 | END |
2920c5d2 |
446 | } |
447 | else{ |
448 | print PM <<"END"; |
449 | |
450 | \@ISA = qw(Exporter AutoLoader); |
451 | END |
452 | } |
3edbfbe5 |
453 | } |
454 | else{ |
455 | # 1) we have our own AUTOLOAD(), so don't need to inherit it. |
456 | # or |
457 | # 2) we don't want autoloading mentioned. |
2920c5d2 |
458 | if( ! $opt_X ){ # use DynaLoader, unless XS was disabled |
459 | print PM <<"END"; |
3edbfbe5 |
460 | |
461 | \@ISA = qw(Exporter DynaLoader); |
462 | END |
2920c5d2 |
463 | } |
464 | else{ |
465 | print PM <<"END"; |
466 | |
467 | \@ISA = qw(Exporter); |
468 | END |
469 | } |
3edbfbe5 |
470 | } |
e1666bf5 |
471 | |
3edbfbe5 |
472 | print PM<<"END"; |
e1666bf5 |
473 | # Items to export into callers namespace by default. Note: do not export |
474 | # names by default without a very good reason. Use EXPORT_OK instead. |
475 | # Do not simply export all your public functions/methods/constants. |
a0d0e21e |
476 | \@EXPORT = qw( |
e1666bf5 |
477 | @const_names |
a0d0e21e |
478 | ); |
f508c652 |
479 | \$VERSION = '$TEMPLATE_VERSION'; |
480 | |
e1666bf5 |
481 | END |
482 | |
2920c5d2 |
483 | print PM <<"END" unless $opt_c or $opt_X; |
a0d0e21e |
484 | sub AUTOLOAD { |
3edbfbe5 |
485 | # This AUTOLOAD is used to 'autoload' constants from the constant() |
486 | # XS function. If a constant is not found then control is passed |
487 | # to the AUTOLOAD in AutoLoader. |
e1666bf5 |
488 | |
2920c5d2 |
489 | my \$constname; |
a0d0e21e |
490 | (\$constname = \$AUTOLOAD) =~ s/.*:://; |
1d3434b8 |
491 | croak "&$module::constant not defined" if \$constname eq 'constant'; |
2920c5d2 |
492 | my \$val = constant(\$constname, \@_ ? \$_[0] : 0); |
a0d0e21e |
493 | if (\$! != 0) { |
494 | if (\$! =~ /Invalid/) { |
495 | \$AutoLoader::AUTOLOAD = \$AUTOLOAD; |
496 | goto &AutoLoader::AUTOLOAD; |
497 | } |
498 | else { |
2920c5d2 |
499 | croak "Your vendor has not defined $module macro \$constname"; |
a0d0e21e |
500 | } |
501 | } |
1d3434b8 |
502 | *\$AUTOLOAD = sub () { \$val }; |
a0d0e21e |
503 | goto &\$AUTOLOAD; |
504 | } |
505 | |
a0d0e21e |
506 | END |
a0d0e21e |
507 | |
2920c5d2 |
508 | if( ! $opt_X ){ # print bootstrap, unless XS is disabled |
509 | print PM <<"END"; |
f508c652 |
510 | bootstrap $module \$VERSION; |
2920c5d2 |
511 | END |
512 | } |
513 | |
514 | if( $opt_P ){ # if POD is disabled |
515 | $after = '__END__'; |
516 | } |
517 | else { |
518 | $after = '=cut'; |
519 | } |
520 | |
521 | print PM <<"END"; |
a0d0e21e |
522 | |
e1666bf5 |
523 | # Preloaded methods go here. |
a0d0e21e |
524 | |
2920c5d2 |
525 | # Autoload methods go after $after, and are processed by the autosplit program. |
a0d0e21e |
526 | |
527 | 1; |
e1666bf5 |
528 | __END__ |
a0d0e21e |
529 | END |
a0d0e21e |
530 | |
f508c652 |
531 | $author = "A. U. Thor"; |
532 | $email = 'a.u.thor@a.galaxy.far.far.away'; |
533 | |
5273d82d |
534 | my $const_doc = ''; |
535 | my $fdecl_doc = ''; |
536 | if (@const_names and not $opt_P) { |
537 | $const_doc = <<EOD; |
b73edd97 |
538 | \n=head1 Exported constants |
5273d82d |
539 | |
540 | @{[join "\n ", @const_names]} |
541 | |
542 | EOD |
543 | } |
544 | if (defined $fdecls and @$fdecls and not $opt_P) { |
545 | $fdecl_doc = <<EOD; |
b73edd97 |
546 | \n=head1 Exported functions |
5273d82d |
547 | |
548 | @{[join "\n ", @$fdecls]} |
549 | |
550 | EOD |
551 | } |
552 | |
f508c652 |
553 | $pod = <<"END" unless $opt_P; |
554 | ## Below is the stub of documentation for your module. You better edit it! |
555 | # |
556 | #=head1 NAME |
557 | # |
558 | #$module - Perl extension for blah blah blah |
559 | # |
560 | #=head1 SYNOPSIS |
561 | # |
562 | # use $module; |
563 | # blah blah blah |
564 | # |
565 | #=head1 DESCRIPTION |
566 | # |
567 | #Stub documentation for $module was created by h2xs. It looks like the |
568 | #author of the extension was negligent enough to leave the stub |
569 | #unedited. |
570 | # |
571 | #Blah blah blah. |
5273d82d |
572 | #$const_doc$fdecl_doc |
f508c652 |
573 | #=head1 AUTHOR |
574 | # |
575 | #$author, $email |
576 | # |
577 | #=head1 SEE ALSO |
578 | # |
579 | #perl(1). |
580 | # |
581 | #=cut |
582 | END |
583 | |
584 | $pod =~ s/^\#//gm unless $opt_P; |
585 | print PM $pod unless $opt_P; |
586 | |
a0d0e21e |
587 | close PM; |
588 | |
e1666bf5 |
589 | |
2920c5d2 |
590 | if( ! $opt_X ){ # print XS, unless it is disabled |
8e07c86e |
591 | warn "Writing $ext$modpname/$modfname.xs\n"; |
e1666bf5 |
592 | |
a0d0e21e |
593 | print XS <<"END"; |
4633a7c4 |
594 | #ifdef __cplusplus |
595 | extern "C" { |
596 | #endif |
a0d0e21e |
597 | #include "EXTERN.h" |
598 | #include "perl.h" |
599 | #include "XSUB.h" |
4633a7c4 |
600 | #ifdef __cplusplus |
601 | } |
602 | #endif |
a0d0e21e |
603 | |
604 | END |
a887ff11 |
605 | if( @path_h ){ |
606 | foreach my $path_h (@path_h) { |
a0d0e21e |
607 | my($h) = $path_h; |
608 | $h =~ s#^/usr/include/##; |
ead2a595 |
609 | if ($^O eq 'VMS') { $h =~ s#.*vms\]#sys/# or $h =~ s#.*[:>\]]##; } |
a887ff11 |
610 | print XS qq{#include <$h>\n}; |
611 | } |
612 | print XS "\n"; |
a0d0e21e |
613 | } |
614 | |
615 | if( ! $opt_c ){ |
616 | print XS <<"END"; |
617 | static int |
618 | not_here(s) |
619 | char *s; |
620 | { |
621 | croak("$module::%s not implemented on this architecture", s); |
622 | return -1; |
623 | } |
624 | |
625 | static double |
626 | constant(name, arg) |
627 | char *name; |
628 | int arg; |
629 | { |
630 | errno = 0; |
631 | switch (*name) { |
632 | END |
633 | |
e1666bf5 |
634 | my(@AZ, @az, @under); |
635 | |
636 | foreach(@const_names){ |
637 | @AZ = 'A' .. 'Z' if !@AZ && /^[A-Z]/; |
638 | @az = 'a' .. 'z' if !@az && /^[a-z]/; |
639 | @under = '_' if !@under && /^_/; |
640 | } |
641 | |
a0d0e21e |
642 | foreach $letter (@AZ, @az, @under) { |
643 | |
e1666bf5 |
644 | last if $letter eq 'a' && !@const_names; |
a0d0e21e |
645 | |
646 | print XS " case '$letter':\n"; |
647 | my($name); |
e1666bf5 |
648 | while (substr($const_names[0],0,1) eq $letter) { |
649 | $name = shift(@const_names); |
ead2a595 |
650 | $macro = $prefix{$name} ? "$opt_p$name" : $name; |
651 | next if $const_xsub{$macro}; |
a0d0e21e |
652 | print XS <<"END"; |
653 | if (strEQ(name, "$name")) |
ead2a595 |
654 | #ifdef $macro |
655 | return $macro; |
a0d0e21e |
656 | #else |
657 | goto not_there; |
658 | #endif |
659 | END |
660 | } |
661 | print XS <<"END"; |
662 | break; |
663 | END |
664 | } |
665 | print XS <<"END"; |
666 | } |
667 | errno = EINVAL; |
668 | return 0; |
669 | |
670 | not_there: |
671 | errno = ENOENT; |
672 | return 0; |
673 | } |
674 | |
e1666bf5 |
675 | END |
676 | } |
677 | |
ead2a595 |
678 | $prefix = "PREFIX = $opt_p" if defined $opt_p; |
e1666bf5 |
679 | # Now switch from C to XS by issuing the first MODULE declaration: |
680 | print XS <<"END"; |
a0d0e21e |
681 | |
ead2a595 |
682 | MODULE = $module PACKAGE = $module $prefix |
683 | |
684 | END |
685 | |
686 | foreach (sort keys %const_xsub) { |
687 | print XS <<"END"; |
688 | char * |
689 | $_() |
690 | |
691 | CODE: |
692 | #ifdef $_ |
693 | RETVAL = $_; |
694 | #else |
695 | croak("Your vendor has not defined the $module macro $_"); |
696 | #endif |
697 | |
698 | OUTPUT: |
699 | RETVAL |
a0d0e21e |
700 | |
e1666bf5 |
701 | END |
ead2a595 |
702 | } |
e1666bf5 |
703 | |
704 | # If a constant() function was written then output a corresponding |
705 | # XS declaration: |
706 | print XS <<"END" unless $opt_c; |
707 | |
a0d0e21e |
708 | double |
709 | constant(name,arg) |
710 | char * name |
711 | int arg |
712 | |
713 | END |
a0d0e21e |
714 | |
5273d82d |
715 | my %seen_decl; |
716 | |
717 | |
ead2a595 |
718 | sub print_decl { |
719 | my $fh = shift; |
720 | my $decl = shift; |
721 | my ($type, $name, $args) = @$decl; |
5273d82d |
722 | return if $seen_decl{$name}++; # Need to do the same for docs as well? |
723 | |
ead2a595 |
724 | my @argnames = map {$_->[1]} @$args; |
725 | my @argtypes = map { normalize_type( $_->[0] ) } @$args; |
5273d82d |
726 | my @argarrays = map { $_->[4] || '' } @$args; |
ead2a595 |
727 | my $numargs = @$args; |
728 | if ($numargs and $argtypes[-1] eq '...') { |
729 | $numargs--; |
730 | $argnames[-1] = '...'; |
731 | } |
732 | local $" = ', '; |
733 | $type = normalize_type($type); |
734 | |
735 | print $fh <<"EOP"; |
736 | |
737 | $type |
738 | $name(@argnames) |
739 | EOP |
740 | |
741 | for $arg (0 .. $numargs - 1) { |
742 | print $fh <<"EOP"; |
5273d82d |
743 | $argtypes[$arg] $argnames[$arg]$argarrays[$arg] |
ead2a595 |
744 | EOP |
745 | } |
746 | } |
747 | |
5273d82d |
748 | # Should be called before any actual call to normalize_type(). |
749 | sub get_typemap { |
750 | # We do not want to read ./typemap by obvios reasons. |
751 | my @tm = qw(../../../typemap ../../typemap ../typemap); |
752 | my $stdtypemap = "$Config::Config{privlib}/ExtUtils/typemap"; |
753 | unshift @tm, $stdtypemap; |
754 | my $proto_re = "[" . quotemeta('\$%&*@;') . "]" ; |
755 | my $image; |
756 | |
757 | foreach $typemap (@tm) { |
758 | next unless -e $typemap ; |
759 | # skip directories, binary files etc. |
760 | warn " Scanning $typemap\n"; |
761 | warn("Warning: ignoring non-text typemap file '$typemap'\n"), next |
762 | unless -T $typemap ; |
763 | open(TYPEMAP, $typemap) |
764 | or warn ("Warning: could not open typemap file '$typemap': $!\n"), next; |
765 | my $mode = 'Typemap'; |
766 | while (<TYPEMAP>) { |
767 | next if /^\s*\#/; |
768 | if (/^INPUT\s*$/) { $mode = 'Input'; next; } |
769 | elsif (/^OUTPUT\s*$/) { $mode = 'Output'; next; } |
770 | elsif (/^TYPEMAP\s*$/) { $mode = 'Typemap'; next; } |
771 | elsif ($mode eq 'Typemap') { |
772 | next if /^\s*($|\#)/ ; |
773 | if ( ($type, $image) = |
774 | /^\s*(.*?\S)\s+(\S+)\s*($proto_re*)\s*$/o |
775 | # This may reference undefined functions: |
776 | and not ($image eq 'T_PACKED' and $typemap eq $stdtypemap)) { |
777 | normalize_type($type); |
778 | } |
779 | } |
780 | } |
781 | close(TYPEMAP) or die "Cannot close $typemap: $!"; |
782 | } |
783 | %std_types = %types_seen; |
784 | %types_seen = (); |
785 | } |
786 | |
ead2a595 |
787 | |
788 | sub normalize_type { |
5273d82d |
789 | my $ignore_mods = '(?:\b(?:__const__|static|inline|__inline__)\b\s*)*'; |
ead2a595 |
790 | my $type = shift; |
791 | $type =~ s/$ignore_mods//go; |
5273d82d |
792 | $type =~ s/([\]\[()])/ \1 /g; |
ead2a595 |
793 | $type =~ s/\s+/ /g; |
794 | $type =~ s/\s+$//; |
795 | $type =~ s/^\s+//; |
796 | $type =~ s/\b\*/ */g; |
797 | $type =~ s/\*\b/* /g; |
798 | $type =~ s/\*\s+(?=\*)/*/g; |
5273d82d |
799 | $types_seen{$type}++ |
800 | unless $type eq '...' or $type eq 'void' or $std_types{$type}; |
ead2a595 |
801 | $type; |
802 | } |
803 | |
804 | if ($opt_x) { |
5273d82d |
805 | for $decl (@$fdecls_parsed) { print_decl(\*XS, $decl) } |
ead2a595 |
806 | } |
807 | |
a0d0e21e |
808 | close XS; |
5273d82d |
809 | |
810 | if (%types_seen) { |
811 | my $type; |
812 | warn "Writing $ext$modpname/typemap\n"; |
813 | open TM, ">typemap" or die "Cannot open typemap file for write: $!"; |
814 | |
815 | for $type (keys %types_seen) { |
816 | print TM $type, "\t" x (6 - int((length $type)/8)), "T_PTROBJ\n" |
817 | } |
818 | |
819 | close TM or die "Cannot close typemap file for write: $!"; |
820 | } |
821 | |
2920c5d2 |
822 | } # if( ! $opt_X ) |
e1666bf5 |
823 | |
8e07c86e |
824 | warn "Writing $ext$modpname/Makefile.PL\n"; |
825 | open(PL, ">Makefile.PL") || die "Can't create $ext$modpname/Makefile.PL: $!\n"; |
a0d0e21e |
826 | |
a0d0e21e |
827 | print PL <<'END'; |
828 | use ExtUtils::MakeMaker; |
829 | # See lib/ExtUtils/MakeMaker.pm for details of how to influence |
42793c05 |
830 | # the contents of the Makefile that is written. |
a0d0e21e |
831 | END |
42793c05 |
832 | print PL "WriteMakefile(\n"; |
833 | print PL " 'NAME' => '$module',\n"; |
c07a80fd |
834 | print PL " 'VERSION_FROM' => '$modfname.pm', # finds \$VERSION\n"; |
2920c5d2 |
835 | if( ! $opt_X ){ # print C stuff, unless XS is disabled |
836 | print PL " 'LIBS' => ['$extralibs'], # e.g., '-lm' \n"; |
837 | print PL " 'DEFINE' => '', # e.g., '-DHAVE_SOMETHING' \n"; |
838 | print PL " 'INC' => '', # e.g., '-I/usr/include/other' \n"; |
839 | } |
a0d0e21e |
840 | print PL ");\n"; |
f508c652 |
841 | close(PL) || die "Can't close $ext$modpname/Makefile.PL: $!\n"; |
842 | |
843 | warn "Writing $ext$modpname/test.pl\n"; |
844 | open(EX, ">test.pl") || die "Can't create $ext$modpname/test.pl: $!\n"; |
845 | print EX <<'_END_'; |
846 | # Before `make install' is performed this script should be runnable with |
847 | # `make test'. After `make install' it should work as `perl test.pl' |
848 | |
849 | ######################### We start with some black magic to print on failure. |
850 | |
851 | # Change 1..1 below to 1..last_test_to_print . |
852 | # (It may become useful if the test is moved to ./t subdirectory.) |
853 | |
5ae7f1db |
854 | BEGIN { $| = 1; print "1..1\n"; } |
f508c652 |
855 | END {print "not ok 1\n" unless $loaded;} |
856 | _END_ |
857 | print EX <<_END_; |
858 | use $module; |
859 | _END_ |
860 | print EX <<'_END_'; |
861 | $loaded = 1; |
862 | print "ok 1\n"; |
863 | |
864 | ######################### End of black magic. |
865 | |
866 | # Insert your test code below (better if it prints "ok 13" |
867 | # (correspondingly "not ok 13") depending on the success of chunk 13 |
868 | # of the test code): |
e1666bf5 |
869 | |
f508c652 |
870 | _END_ |
871 | close(EX) || die "Can't close $ext$modpname/test.pl: $!\n"; |
a0d0e21e |
872 | |
c07a80fd |
873 | warn "Writing $ext$modpname/Changes\n"; |
874 | open(EX, ">Changes") || die "Can't create $ext$modpname/Changes: $!\n"; |
875 | print EX "Revision history for Perl extension $module.\n\n"; |
876 | print EX "$TEMPLATE_VERSION ",scalar localtime,"\n"; |
877 | print EX "\t- original version; created by h2xs $H2XS_VERSION\n\n"; |
878 | close(EX) || die "Can't close $ext$modpname/Changes: $!\n"; |
879 | |
880 | warn "Writing $ext$modpname/MANIFEST\n"; |
5ae7f1db |
881 | open(MANI,'>MANIFEST') or die "Can't create MANIFEST: $!"; |
882 | @files = <*>; |
883 | if (!@files) { |
884 | eval {opendir(D,'.');}; |
885 | unless ($@) { @files = readdir(D); closedir(D); } |
886 | } |
887 | if (!@files) { @files = map {chomp && $_} `ls`; } |
55497cff |
888 | if ($^O eq 'VMS') { |
889 | foreach (@files) { |
890 | # Clip trailing '.' for portability -- non-VMS OSs don't expect it |
891 | s%\.$%%; |
892 | # Fix up for case-sensitive file systems |
893 | s/$modfname/$modfname/i && next; |
894 | $_ = "\U$_" if $_ eq 'manifest' or $_ eq 'changes'; |
bbce6d69 |
895 | $_ = 'Makefile.PL' if $_ eq 'makefile.pl'; |
55497cff |
896 | } |
897 | } |
3e3baf6d |
898 | print MANI join("\n",@files), "\n"; |
5ae7f1db |
899 | close MANI; |
40000a8c |
900 | !NO!SUBS! |
4633a7c4 |
901 | |
902 | close OUT or die "Can't close $file: $!"; |
903 | chmod 0755, $file or die "Can't reset permissions for $file: $!\n"; |
904 | exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':'; |
8a5546a1 |
905 | chdir $origdir; |