Commit | Line | Data |
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2304df62 | 1 | #!./miniperl |
75f92628 AD |
2 | |
3 | =head1 NAME | |
4 | ||
5 | xsubpp - compiler to convert Perl XS code into C code | |
6 | ||
7 | =head1 SYNOPSIS | |
8 | ||
b26a54d0 | 9 | B<xsubpp> [B<-v>] [B<-C++>] [B<-except>] [B<-s pattern>] [B<-prototypes>] [B<-noversioncheck>] [B<-nolinenumbers>] [B<-nooptimize>] [B<-typemap typemap>] ... file.xs |
75f92628 AD |
10 | |
11 | =head1 DESCRIPTION | |
12 | ||
b26a54d0 GS |
13 | This compiler is typically run by the makefiles created by L<ExtUtils::MakeMaker>. |
14 | ||
75f92628 AD |
15 | I<xsubpp> will compile XS code into C code by embedding the constructs |
16 | necessary to let C functions manipulate Perl values and creates the glue | |
17 | necessary to let Perl access those functions. The compiler uses typemaps to | |
18 | determine how to map C function parameters and variables to Perl values. | |
19 | ||
20 | The compiler will search for typemap files called I<typemap>. It will use | |
21 | the following search path to find default typemaps, with the rightmost | |
22 | typemap taking precedence. | |
23 | ||
24 | ../../../typemap:../../typemap:../typemap:typemap | |
25 | ||
26 | =head1 OPTIONS | |
27 | ||
b26a54d0 GS |
28 | Note that the C<XSOPT> MakeMaker option may be used to add these options to |
29 | any makefiles generated by MakeMaker. | |
30 | ||
75f92628 AD |
31 | =over 5 |
32 | ||
33 | =item B<-C++> | |
34 | ||
35 | Adds ``extern "C"'' to the C code. | |
36 | ||
75f92628 AD |
37 | =item B<-except> |
38 | ||
39 | Adds exception handling stubs to the C code. | |
40 | ||
41 | =item B<-typemap typemap> | |
42 | ||
43 | Indicates that a user-supplied typemap should take precedence over the | |
44 | default typemaps. This option may be used multiple times, with the last | |
45 | typemap having the highest precedence. | |
46 | ||
8e07c86e AD |
47 | =item B<-v> |
48 | ||
49 | Prints the I<xsubpp> version number to standard output, then exits. | |
50 | ||
8fc38fda | 51 | =item B<-prototypes> |
382b8d97 | 52 | |
8fc38fda | 53 | By default I<xsubpp> will not automatically generate prototype code for |
54 | all xsubs. This flag will enable prototypes. | |
55 | ||
56 | =item B<-noversioncheck> | |
57 | ||
58 | Disables the run time test that determines if the object file (derived | |
59 | from the C<.xs> file) and the C<.pm> files have the same version | |
60 | number. | |
382b8d97 | 61 | |
6f1abe2b JT |
62 | =item B<-nolinenumbers> |
63 | ||
64 | Prevents the inclusion of `#line' directives in the output. | |
65 | ||
b26a54d0 GS |
66 | =item B<-nooptimize> |
67 | ||
68 | Disables certain optimizations. The only optimization that is currently | |
69 | affected is the use of I<target>s by the output C code (see L<perlguts>). | |
70 | This may significantly slow down the generated code, but this is the way | |
71 | B<xsubpp> of 5.005 and earlier operated. | |
72 | ||
11416672 GS |
73 | =item B<-noinout> |
74 | ||
75 | Disable recognition of C<IN>, C<OUT_LIST> and C<INOUT_LIST> declarations. | |
76 | ||
77 | =item B<-noargtypes> | |
78 | ||
79 | Disable recognition of ANSI-like descriptions of function signature. | |
80 | ||
c5be433b | 81 | =back |
75f92628 AD |
82 | |
83 | =head1 ENVIRONMENT | |
84 | ||
85 | No environment variables are used. | |
86 | ||
87 | =head1 AUTHOR | |
88 | ||
89 | Larry Wall | |
90 | ||
f06db76b AD |
91 | =head1 MODIFICATION HISTORY |
92 | ||
8e07c86e | 93 | See the file F<changes.pod>. |
e50aee73 | 94 | |
75f92628 AD |
95 | =head1 SEE ALSO |
96 | ||
55a00e51 | 97 | perl(1), perlxs(1), perlxstut(1) |
75f92628 AD |
98 | |
99 | =cut | |
93a17b20 | 100 | |
382b8d97 | 101 | require 5.002; |
774d564b | 102 | use Cwd; |
4230ab3f | 103 | use vars '$cplusplus'; |
7ad6fb0b | 104 | use vars '%v'; |
382b8d97 | 105 | |
01f988be GS |
106 | use Config; |
107 | ||
aa689395 | 108 | sub Q ; |
109 | ||
774d564b | 110 | # Global Constants |
774d564b | 111 | |
7817ba4d | 112 | $XSUBPP_version = "1.9508"; |
aa689395 | 113 | |
114 | my ($Is_VMS, $SymSet); | |
115 | if ($^O eq 'VMS') { | |
116 | $Is_VMS = 1; | |
117 | # Establish set of global symbols with max length 28, since xsubpp | |
118 | # will later add the 'XS_' prefix. | |
119 | require ExtUtils::XSSymSet; | |
120 | $SymSet = new ExtUtils::XSSymSet 28; | |
121 | } | |
8fc38fda | 122 | |
c07a80fd | 123 | $FH = 'File0000' ; |
8fc38fda | 124 | |
11416672 | 125 | $usage = "Usage: xsubpp [-v] [-C++] [-except] [-prototypes] [-noversioncheck] [-nolinenumbers] [-nooptimize] [-noinout] [-noargtypes] [-s pattern] [-typemap typemap]... file.xs\n"; |
f06db76b | 126 | |
382b8d97 | 127 | $proto_re = "[" . quotemeta('\$%&*@;') . "]" ; |
01f988be GS |
128 | # mjn |
129 | $OBJ = 1 if $Config{'ccflags'} =~ /PERL_OBJECT/i; | |
93a17b20 | 130 | |
8e07c86e | 131 | $except = ""; |
8fc38fda | 132 | $WantPrototypes = -1 ; |
133 | $WantVersionChk = 1 ; | |
134 | $ProtoUsed = 0 ; | |
6f1abe2b | 135 | $WantLineNumbers = 1 ; |
b26a54d0 | 136 | $WantOptimize = 1 ; |
11416672 GS |
137 | |
138 | my $process_inout = 1; | |
139 | my $process_argtypes = 1; | |
140 | ||
8e07c86e | 141 | SWITCH: while (@ARGV and $ARGV[0] =~ /^-./) { |
93a17b20 | 142 | $flag = shift @ARGV; |
e50aee73 | 143 | $flag =~ s/^-// ; |
ff68c719 | 144 | $spat = quotemeta shift, next SWITCH if $flag eq 's'; |
8990e307 | 145 | $cplusplus = 1, next SWITCH if $flag eq 'C++'; |
382b8d97 PM |
146 | $WantPrototypes = 0, next SWITCH if $flag eq 'noprototypes'; |
147 | $WantPrototypes = 1, next SWITCH if $flag eq 'prototypes'; | |
8fc38fda | 148 | $WantVersionChk = 0, next SWITCH if $flag eq 'noversioncheck'; |
149 | $WantVersionChk = 1, next SWITCH if $flag eq 'versioncheck'; | |
c5be433b | 150 | # XXX left this in for compat |
b207eff1 | 151 | $WantCAPI = 1, next SWITCH if $flag eq 'object_capi'; |
8e07c86e | 152 | $except = " TRY", next SWITCH if $flag eq 'except'; |
8990e307 | 153 | push(@tm,shift), next SWITCH if $flag eq 'typemap'; |
6f1abe2b JT |
154 | $WantLineNumbers = 0, next SWITCH if $flag eq 'nolinenumbers'; |
155 | $WantLineNumbers = 1, next SWITCH if $flag eq 'linenumbers'; | |
b26a54d0 GS |
156 | $WantOptimize = 0, next SWITCH if $flag eq 'nooptimize'; |
157 | $WantOptimize = 1, next SWITCH if $flag eq 'optimize'; | |
11416672 GS |
158 | $process_inout = 0, next SWITCH if $flag eq 'noinout'; |
159 | $process_inout = 1, next SWITCH if $flag eq 'inout'; | |
160 | $process_argtypes = 0, next SWITCH if $flag eq 'noargtypes'; | |
161 | $process_argtypes = 1, next SWITCH if $flag eq 'argtypes'; | |
b26a54d0 | 162 | (print "xsubpp version $XSUBPP_version\n"), exit |
8e07c86e | 163 | if $flag eq 'v'; |
93a17b20 LW |
164 | die $usage; |
165 | } | |
8fc38fda | 166 | if ($WantPrototypes == -1) |
167 | { $WantPrototypes = 0} | |
168 | else | |
169 | { $ProtoUsed = 1 } | |
170 | ||
171 | ||
8990e307 | 172 | @ARGV == 1 or die $usage; |
c2960299 | 173 | ($dir, $filename) = $ARGV[0] =~ m#(.*)/(.*)# |
57497940 | 174 | or ($dir, $filename) = $ARGV[0] =~ m#(.*)\\(.*)# |
c2960299 | 175 | or ($dir, $filename) = $ARGV[0] =~ m#(.*[>\]])(.*)# |
8990e307 LW |
176 | or ($dir, $filename) = ('.', $ARGV[0]); |
177 | chdir($dir); | |
774d564b | 178 | $pwd = cwd(); |
8fc38fda | 179 | |
180 | ++ $IncludedFiles{$ARGV[0]} ; | |
93a17b20 | 181 | |
4230ab3f | 182 | my(@XSStack) = ({type => 'none'}); # Stack of conditionals and INCLUDEs |
183 | my($XSS_work_idx, $cpp_next_tmp) = (0, "XSubPPtmpAAAA"); | |
aa689395 | 184 | |
4230ab3f | 185 | |
f06db76b AD |
186 | sub TrimWhitespace |
187 | { | |
188 | $_[0] =~ s/^\s+|\s+$//go ; | |
189 | } | |
190 | ||
191 | sub TidyType | |
192 | { | |
193 | local ($_) = @_ ; | |
194 | ||
195 | # rationalise any '*' by joining them into bunches and removing whitespace | |
196 | s#\s*(\*+)\s*#$1#g; | |
e50aee73 | 197 | s#(\*+)# $1 #g ; |
f06db76b AD |
198 | |
199 | # change multiple whitespace into a single space | |
200 | s/\s+/ /g ; | |
201 | ||
202 | # trim leading & trailing whitespace | |
203 | TrimWhitespace($_) ; | |
204 | ||
205 | $_ ; | |
206 | } | |
207 | ||
93a17b20 | 208 | $typemap = shift @ARGV; |
8990e307 LW |
209 | foreach $typemap (@tm) { |
210 | die "Can't find $typemap in $pwd\n" unless -r $typemap; | |
93a17b20 | 211 | } |
748a9306 LW |
212 | unshift @tm, qw(../../../../lib/ExtUtils/typemap ../../../lib/ExtUtils/typemap |
213 | ../../lib/ExtUtils/typemap ../../../typemap ../../typemap | |
214 | ../typemap typemap); | |
8990e307 | 215 | foreach $typemap (@tm) { |
f06db76b AD |
216 | next unless -e $typemap ; |
217 | # skip directories, binary files etc. | |
218 | warn("Warning: ignoring non-text typemap file '$typemap'\n"), next | |
219 | unless -T $typemap ; | |
220 | open(TYPEMAP, $typemap) | |
221 | or warn ("Warning: could not open typemap file '$typemap': $!\n"), next; | |
e50aee73 | 222 | $mode = 'Typemap'; |
c2960299 | 223 | $junk = "" ; |
8990e307 LW |
224 | $current = \$junk; |
225 | while (<TYPEMAP>) { | |
e50aee73 | 226 | next if /^\s*#/; |
e1f0c0aa | 227 | my $line_no = $. + 1; |
8e07c86e AD |
228 | if (/^INPUT\s*$/) { $mode = 'Input'; $current = \$junk; next; } |
229 | if (/^OUTPUT\s*$/) { $mode = 'Output'; $current = \$junk; next; } | |
230 | if (/^TYPEMAP\s*$/) { $mode = 'Typemap'; $current = \$junk; next; } | |
e50aee73 AD |
231 | if ($mode eq 'Typemap') { |
232 | chomp; | |
f06db76b AD |
233 | my $line = $_ ; |
234 | TrimWhitespace($_) ; | |
235 | # skip blank lines and comment lines | |
236 | next if /^$/ or /^#/ ; | |
382b8d97 PM |
237 | my($type,$kind, $proto) = /^\s*(.*?\S)\s+(\S+)\s*($proto_re*)\s*$/ or |
238 | warn("Warning: File '$typemap' Line $. '$line' TYPEMAP entry needs 2 or 3 columns\n"), next; | |
239 | $type = TidyType($type) ; | |
240 | $type_kind{$type} = $kind ; | |
241 | # prototype defaults to '$' | |
93d3b392 | 242 | $proto = "\$" unless $proto ; |
382b8d97 PM |
243 | warn("Warning: File '$typemap' Line $. '$line' Invalid prototype '$proto'\n") |
244 | unless ValidProtoString($proto) ; | |
245 | $proto_letter{$type} = C_string($proto) ; | |
8e07c86e AD |
246 | } |
247 | elsif (/^\s/) { | |
248 | $$current .= $_; | |
463ee0b2 | 249 | } |
e50aee73 | 250 | elsif ($mode eq 'Input') { |
8e07c86e AD |
251 | s/\s+$//; |
252 | $input_expr{$_} = ''; | |
253 | $current = \$input_expr{$_}; | |
93a17b20 | 254 | } |
8990e307 | 255 | else { |
8e07c86e AD |
256 | s/\s+$//; |
257 | $output_expr{$_} = ''; | |
258 | $current = \$output_expr{$_}; | |
93a17b20 | 259 | } |
8990e307 LW |
260 | } |
261 | close(TYPEMAP); | |
262 | } | |
93a17b20 | 263 | |
8990e307 LW |
264 | foreach $key (keys %input_expr) { |
265 | $input_expr{$key} =~ s/\n+$//; | |
266 | } | |
93a17b20 | 267 | |
14455d6c | 268 | $bal = qr[(?:(?>[^()]+)|\((??{ $bal })\))*]; # ()-balanced |
b26a54d0 | 269 | $cast = qr[(?:\(\s*SV\s*\*\s*\)\s*)?]; # Optional (SV*) cast |
14455d6c | 270 | $size = qr[,\s* (??{ $bal }) ]x; # Third arg (to setpvn) |
b26a54d0 GS |
271 | |
272 | foreach $key (keys %output_expr) { | |
273 | use re 'eval'; | |
274 | ||
275 | my ($t, $with_size, $arg, $sarg) = | |
276 | ($output_expr{$key} =~ | |
277 | m[^ \s+ sv_set ( [iunp] ) v (n)? # Type, is_setpvn | |
278 | \s* \( \s* $cast \$arg \s* , | |
14455d6c GS |
279 | \s* ( (??{ $bal }) ) # Set from |
280 | ( (??{ $size }) )? # Possible sizeof set-from | |
b26a54d0 GS |
281 | \) \s* ; \s* $ |
282 | ]x); | |
283 | $targetable{$key} = [$t, $with_size, $arg, $sarg] if $t; | |
284 | } | |
285 | ||
8e07c86e AD |
286 | $END = "!End!\n\n"; # "impossible" keyword (multiple newline) |
287 | ||
288 | # Match an XS keyword | |
382b8d97 PM |
289 | $BLOCK_re= '\s*(' . join('|', qw( |
290 | REQUIRE BOOT CASE PREINIT INPUT INIT CODE PPCODE OUTPUT | |
be3174d2 | 291 | CLEANUP ALIAS ATTRS PROTOTYPES PROTOTYPE VERSIONCHECK INCLUDE |
63385af5 | 292 | SCOPE INTERFACE INTERFACE_MACRO C_ARGS POSTCALL |
382b8d97 | 293 | )) . "|$END)\\s*:"; |
8e07c86e AD |
294 | |
295 | # Input: ($_, @line) == unparsed input. | |
296 | # Output: ($_, @line) == (rest of line, following lines). | |
297 | # Return: the matched keyword if found, otherwise 0 | |
298 | sub check_keyword { | |
299 | $_ = shift(@line) while !/\S/ && @line; | |
300 | s/^(\s*)($_[0])\s*:\s*(?:#.*)?/$1/s && $2; | |
301 | } | |
302 | ||
efbca139 | 303 | my ($C_group_rex, $C_arg); |
f8b8e0a4 GS |
304 | # Group in C (no support for comments or literals) |
305 | $C_group_rex = qr/ [({\[] | |
14455d6c | 306 | (?: (?> [^()\[\]{}]+ ) | (??{ $C_group_rex }) )* |
f8b8e0a4 GS |
307 | [)}\]] /x ; |
308 | # Chunk in C without comma at toplevel (no comments): | |
309 | $C_arg = qr/ (?: (?> [^()\[\]{},"']+ ) | |
14455d6c | 310 | | (??{ $C_group_rex }) |
f8b8e0a4 GS |
311 | | " (?: (?> [^\\"]+ ) |
312 | | \\. | |
313 | )* " # String literal | |
314 | | ' (?: (?> [^\\']+ ) | \\. )* ' # Char literal | |
315 | )* /xs; | |
8e07c86e | 316 | |
6f1abe2b JT |
317 | if ($WantLineNumbers) { |
318 | { | |
319 | package xsubpp::counter; | |
320 | sub TIEHANDLE { | |
321 | my ($class, $cfile) = @_; | |
322 | my $buf = ""; | |
323 | $SECTION_END_MARKER = "#line --- \"$cfile\""; | |
324 | $line_no = 1; | |
325 | bless \$buf; | |
326 | } | |
327 | ||
328 | sub PRINT { | |
329 | my $self = shift; | |
330 | for (@_) { | |
331 | $$self .= $_; | |
332 | while ($$self =~ s/^([^\n]*\n)//) { | |
333 | my $line = $1; | |
334 | ++ $line_no; | |
335 | $line =~ s|^\#line\s+---(?=\s)|#line $line_no|; | |
336 | print STDOUT $line; | |
337 | } | |
338 | } | |
339 | } | |
340 | ||
341 | sub PRINTF { | |
342 | my $self = shift; | |
343 | my $fmt = shift; | |
344 | $self->PRINT(sprintf($fmt, @_)); | |
345 | } | |
346 | ||
347 | sub DESTROY { | |
348 | # Not necessary if we're careful to end with a "\n" | |
349 | my $self = shift; | |
350 | print STDOUT $$self; | |
351 | } | |
352 | } | |
353 | ||
354 | my $cfile = $filename; | |
355 | $cfile =~ s/\.xs$/.c/i or $cfile .= ".c"; | |
356 | tie(*PSEUDO_STDOUT, 'xsubpp::counter', $cfile); | |
357 | select PSEUDO_STDOUT; | |
358 | } | |
359 | ||
8e07c86e | 360 | sub print_section { |
6f1abe2b JT |
361 | # the "do" is required for right semantics |
362 | do { $_ = shift(@line) } while !/\S/ && @line; | |
363 | ||
364 | print("#line ", $line_no[@line_no - @line -1], " \"$filename\"\n") | |
d3308daf | 365 | if $WantLineNumbers && !/^\s*#\s*line\b/ && !/^#if XSubPPtmp/; |
8e07c86e AD |
366 | for (; defined($_) && !/^$BLOCK_re/o; $_ = shift(@line)) { |
367 | print "$_\n"; | |
368 | } | |
6f1abe2b | 369 | print "$xsubpp::counter::SECTION_END_MARKER\n" if $WantLineNumbers; |
8e07c86e AD |
370 | } |
371 | ||
cfc02341 IZ |
372 | sub merge_section { |
373 | my $in = ''; | |
374 | ||
375 | while (!/\S/ && @line) { | |
376 | $_ = shift(@line); | |
377 | } | |
378 | ||
379 | for (; defined($_) && !/^$BLOCK_re/o; $_ = shift(@line)) { | |
380 | $in .= "$_\n"; | |
381 | } | |
382 | chomp $in; | |
383 | return $in; | |
384 | } | |
385 | ||
8fc38fda | 386 | sub process_keyword($) |
387 | { | |
388 | my($pattern) = @_ ; | |
389 | my $kwd ; | |
390 | ||
391 | &{"${kwd}_handler"}() | |
392 | while $kwd = check_keyword($pattern) ; | |
393 | } | |
394 | ||
8e07c86e AD |
395 | sub CASE_handler { |
396 | blurt ("Error: `CASE:' after unconditional `CASE:'") | |
397 | if $condnum && $cond eq ''; | |
398 | $cond = $_; | |
399 | TrimWhitespace($cond); | |
400 | print " ", ($condnum++ ? " else" : ""), ($cond ? " if ($cond)\n" : "\n"); | |
401 | $_ = '' ; | |
402 | } | |
403 | ||
404 | sub INPUT_handler { | |
405 | for (; !/^$BLOCK_re/o; $_ = shift(@line)) { | |
406 | last if /^\s*NOT_IMPLEMENTED_YET/; | |
407 | next unless /\S/; # skip blank lines | |
408 | ||
409 | TrimWhitespace($_) ; | |
410 | my $line = $_ ; | |
411 | ||
412 | # remove trailing semicolon if no initialisation | |
7ad6fb0b | 413 | s/\s*;$//g unless /[=;+].*\S/ ; |
8e07c86e AD |
414 | |
415 | # check for optional initialisation code | |
416 | my $var_init = '' ; | |
7ad6fb0b | 417 | $var_init = $1 if s/\s*([=;+].*)$//s ; |
8e07c86e AD |
418 | $var_init =~ s/"/\\"/g; |
419 | ||
420 | s/\s+/ /g; | |
421 | my ($var_type, $var_addr, $var_name) = /^(.*?[^& ]) *(\&?) *\b(\w+)$/s | |
422 | or blurt("Error: invalid argument declaration '$line'"), next; | |
423 | ||
424 | # Check for duplicate definitions | |
425 | blurt ("Error: duplicate definition of argument '$var_name' ignored"), next | |
f8b8e0a4 GS |
426 | if $arg_list{$var_name}++ |
427 | or defined $arg_types{$var_name} and not $processing_arg_with_types; | |
8e07c86e AD |
428 | |
429 | $thisdone |= $var_name eq "THIS"; | |
430 | $retvaldone |= $var_name eq "RETVAL"; | |
431 | $var_types{$var_name} = $var_type; | |
ddf6bed1 IZ |
432 | # XXXX This check is a safeguard against the unfinished conversion of |
433 | # generate_init(). When generate_init() is fixed, | |
434 | # one can use 2-args map_type() unconditionally. | |
435 | if ($var_type =~ / \( \s* \* \s* \) /x) { | |
436 | # Function pointers are not yet supported with &output_init! | |
437 | print "\t" . &map_type($var_type, $var_name); | |
438 | $name_printed = 1; | |
439 | } else { | |
440 | print "\t" . &map_type($var_type); | |
441 | $name_printed = 0; | |
442 | } | |
8e07c86e | 443 | $var_num = $args_match{$var_name}; |
382b8d97 | 444 | |
8fc38fda | 445 | $proto_arg[$var_num] = ProtoString($var_type) |
446 | if $var_num ; | |
8e07c86e AD |
447 | if ($var_addr) { |
448 | $var_addr{$var_name} = 1; | |
449 | $func_args =~ s/\b($var_name)\b/&$1/; | |
450 | } | |
f8b8e0a4 | 451 | if ($var_init =~ /^[=;]\s*NO_INIT\s*;?\s*$/ |
63385af5 | 452 | or $in_out{$var_name} and $in_out{$var_name} eq 'OUTLIST' |
f8b8e0a4 | 453 | and $var_init !~ /\S/) { |
ddf6bed1 IZ |
454 | if ($name_printed) { |
455 | print ";\n"; | |
456 | } else { | |
9bea678f | 457 | print "\t$var_name;\n"; |
ddf6bed1 | 458 | } |
8e07c86e | 459 | } elsif ($var_init =~ /\S/) { |
ddf6bed1 | 460 | &output_init($var_type, $var_num, $var_name, $var_init, $name_printed); |
8e07c86e AD |
461 | } elsif ($var_num) { |
462 | # generate initialization code | |
ddf6bed1 | 463 | &generate_init($var_type, $var_num, $var_name, $name_printed); |
8e07c86e AD |
464 | } else { |
465 | print ";\n"; | |
466 | } | |
467 | } | |
468 | } | |
469 | ||
470 | sub OUTPUT_handler { | |
471 | for (; !/^$BLOCK_re/o; $_ = shift(@line)) { | |
472 | next unless /\S/; | |
ef50df4b GS |
473 | if (/^\s*SETMAGIC\s*:\s*(ENABLE|DISABLE)\s*/) { |
474 | $DoSetMagic = ($1 eq "ENABLE" ? 1 : 0); | |
475 | next; | |
476 | } | |
8e07c86e AD |
477 | my ($outarg, $outcode) = /^\s*(\S+)\s*(.*?)\s*$/s ; |
478 | blurt ("Error: duplicate OUTPUT argument '$outarg' ignored"), next | |
479 | if $outargs{$outarg} ++ ; | |
480 | if (!$gotRETVAL and $outarg eq 'RETVAL') { | |
481 | # deal with RETVAL last | |
482 | $RETVAL_code = $outcode ; | |
483 | $gotRETVAL = 1 ; | |
484 | next ; | |
485 | } | |
486 | blurt ("Error: OUTPUT $outarg not an argument"), next | |
487 | unless defined($args_match{$outarg}); | |
488 | blurt("Error: No input definition for OUTPUT argument '$outarg' - ignored"), next | |
489 | unless defined $var_types{$outarg} ; | |
f78230ad | 490 | $var_num = $args_match{$outarg}; |
8e07c86e AD |
491 | if ($outcode) { |
492 | print "\t$outcode\n"; | |
f78230ad | 493 | print "\tSvSETMAGIC(ST(" , $var_num-1 , "));\n" if $DoSetMagic; |
8e07c86e | 494 | } else { |
ef50df4b | 495 | &generate_output($var_types{$outarg}, $var_num, $outarg, $DoSetMagic); |
8e07c86e AD |
496 | } |
497 | } | |
498 | } | |
499 | ||
cfc02341 IZ |
500 | sub C_ARGS_handler() { |
501 | my $in = merge_section(); | |
502 | ||
503 | TrimWhitespace($in); | |
504 | $func_args = $in; | |
505 | } | |
506 | ||
507 | sub INTERFACE_MACRO_handler() { | |
508 | my $in = merge_section(); | |
509 | ||
510 | TrimWhitespace($in); | |
511 | if ($in =~ /\s/) { # two | |
512 | ($interface_macro, $interface_macro_set) = split ' ', $in; | |
513 | } else { | |
514 | $interface_macro = $in; | |
515 | $interface_macro_set = 'UNKNOWN_CVT'; # catch later | |
516 | } | |
517 | $interface = 1; # local | |
518 | $Interfaces = 1; # global | |
519 | } | |
520 | ||
521 | sub INTERFACE_handler() { | |
522 | my $in = merge_section(); | |
523 | ||
524 | TrimWhitespace($in); | |
525 | ||
526 | foreach (split /[\s,]+/, $in) { | |
527 | $Interfaces{$_} = $_; | |
528 | } | |
529 | print Q<<"EOF"; | |
530 | # XSFUNCTION = $interface_macro($ret_type,cv,XSANY.any_dptr); | |
531 | EOF | |
532 | $interface = 1; # local | |
533 | $Interfaces = 1; # global | |
534 | } | |
535 | ||
8fc38fda | 536 | sub CLEANUP_handler() { print_section() } |
537 | sub PREINIT_handler() { print_section() } | |
63385af5 | 538 | sub POSTCALL_handler() { print_section() } |
8fc38fda | 539 | sub INIT_handler() { print_section() } |
540 | ||
8e07c86e AD |
541 | sub GetAliases |
542 | { | |
543 | my ($line) = @_ ; | |
544 | my ($orig) = $line ; | |
545 | my ($alias) ; | |
546 | my ($value) ; | |
547 | ||
548 | # Parse alias definitions | |
549 | # format is | |
550 | # alias = value alias = value ... | |
551 | ||
552 | while ($line =~ s/^\s*([\w:]+)\s*=\s*(\w+)\s*//) { | |
553 | $alias = $1 ; | |
554 | $orig_alias = $alias ; | |
555 | $value = $2 ; | |
556 | ||
557 | # check for optional package definition in the alias | |
558 | $alias = $Packprefix . $alias if $alias !~ /::/ ; | |
559 | ||
560 | # check for duplicate alias name & duplicate value | |
561 | Warn("Warning: Ignoring duplicate alias '$orig_alias'") | |
4230ab3f | 562 | if defined $XsubAliases{$alias} ; |
8e07c86e | 563 | |
4230ab3f | 564 | Warn("Warning: Aliases '$orig_alias' and '$XsubAliasValues{$value}' have identical values") |
565 | if $XsubAliasValues{$value} ; | |
8e07c86e | 566 | |
4230ab3f | 567 | $XsubAliases = 1; |
568 | $XsubAliases{$alias} = $value ; | |
569 | $XsubAliasValues{$value} = $orig_alias ; | |
8e07c86e AD |
570 | } |
571 | ||
572 | blurt("Error: Cannot parse ALIAS definitions from '$orig'") | |
573 | if $line ; | |
574 | } | |
575 | ||
be3174d2 GS |
576 | sub ATTRS_handler () |
577 | { | |
578 | for (; !/^$BLOCK_re/o; $_ = shift(@line)) { | |
579 | next unless /\S/; | |
580 | TrimWhitespace($_) ; | |
581 | push @Attributes, $_; | |
582 | } | |
583 | } | |
584 | ||
382b8d97 | 585 | sub ALIAS_handler () |
8e07c86e AD |
586 | { |
587 | for (; !/^$BLOCK_re/o; $_ = shift(@line)) { | |
588 | next unless /\S/; | |
589 | TrimWhitespace($_) ; | |
590 | GetAliases($_) if $_ ; | |
591 | } | |
592 | } | |
593 | ||
382b8d97 | 594 | sub REQUIRE_handler () |
8e07c86e AD |
595 | { |
596 | # the rest of the current line should contain a version number | |
597 | my ($Ver) = $_ ; | |
598 | ||
599 | TrimWhitespace($Ver) ; | |
600 | ||
601 | death ("Error: REQUIRE expects a version number") | |
602 | unless $Ver ; | |
603 | ||
604 | # check that the version number is of the form n.n | |
605 | death ("Error: REQUIRE: expected a number, got '$Ver'") | |
606 | unless $Ver =~ /^\d+(\.\d*)?/ ; | |
607 | ||
608 | death ("Error: xsubpp $Ver (or better) required--this is only $XSUBPP_version.") | |
609 | unless $XSUBPP_version >= $Ver ; | |
610 | } | |
611 | ||
8fc38fda | 612 | sub VERSIONCHECK_handler () |
613 | { | |
614 | # the rest of the current line should contain either ENABLE or | |
615 | # DISABLE | |
616 | ||
617 | TrimWhitespace($_) ; | |
618 | ||
619 | # check for ENABLE/DISABLE | |
620 | death ("Error: VERSIONCHECK: ENABLE/DISABLE") | |
621 | unless /^(ENABLE|DISABLE)/i ; | |
622 | ||
623 | $WantVersionChk = 1 if $1 eq 'ENABLE' ; | |
624 | $WantVersionChk = 0 if $1 eq 'DISABLE' ; | |
625 | ||
626 | } | |
627 | ||
382b8d97 PM |
628 | sub PROTOTYPE_handler () |
629 | { | |
7d41bd0a PM |
630 | my $specified ; |
631 | ||
c07a80fd | 632 | death("Error: Only 1 PROTOTYPE definition allowed per xsub") |
633 | if $proto_in_this_xsub ++ ; | |
634 | ||
382b8d97 PM |
635 | for (; !/^$BLOCK_re/o; $_ = shift(@line)) { |
636 | next unless /\S/; | |
7d41bd0a | 637 | $specified = 1 ; |
382b8d97 PM |
638 | TrimWhitespace($_) ; |
639 | if ($_ eq 'DISABLE') { | |
640 | $ProtoThisXSUB = 0 | |
641 | } | |
642 | elsif ($_ eq 'ENABLE') { | |
643 | $ProtoThisXSUB = 1 | |
644 | } | |
645 | else { | |
646 | # remove any whitespace | |
647 | s/\s+//g ; | |
648 | death("Error: Invalid prototype '$_'") | |
649 | unless ValidProtoString($_) ; | |
650 | $ProtoThisXSUB = C_string($_) ; | |
651 | } | |
652 | } | |
c07a80fd | 653 | |
7d41bd0a PM |
654 | # If no prototype specified, then assume empty prototype "" |
655 | $ProtoThisXSUB = 2 unless $specified ; | |
656 | ||
8fc38fda | 657 | $ProtoUsed = 1 ; |
c07a80fd | 658 | |
382b8d97 PM |
659 | } |
660 | ||
db3b9414 | 661 | sub SCOPE_handler () |
662 | { | |
663 | death("Error: Only 1 SCOPE declaration allowed per xsub") | |
664 | if $scope_in_this_xsub ++ ; | |
665 | ||
666 | for (; !/^$BLOCK_re/o; $_ = shift(@line)) { | |
667 | next unless /\S/; | |
668 | TrimWhitespace($_) ; | |
669 | if ($_ =~ /^DISABLE/i) { | |
670 | $ScopeThisXSUB = 0 | |
671 | } | |
672 | elsif ($_ =~ /^ENABLE/i) { | |
673 | $ScopeThisXSUB = 1 | |
674 | } | |
675 | } | |
676 | ||
677 | } | |
678 | ||
382b8d97 PM |
679 | sub PROTOTYPES_handler () |
680 | { | |
681 | # the rest of the current line should contain either ENABLE or | |
682 | # DISABLE | |
683 | ||
684 | TrimWhitespace($_) ; | |
685 | ||
686 | # check for ENABLE/DISABLE | |
687 | death ("Error: PROTOTYPES: ENABLE/DISABLE") | |
688 | unless /^(ENABLE|DISABLE)/i ; | |
689 | ||
690 | $WantPrototypes = 1 if $1 eq 'ENABLE' ; | |
691 | $WantPrototypes = 0 if $1 eq 'DISABLE' ; | |
8fc38fda | 692 | $ProtoUsed = 1 ; |
382b8d97 PM |
693 | |
694 | } | |
695 | ||
8fc38fda | 696 | sub INCLUDE_handler () |
697 | { | |
698 | # the rest of the current line should contain a valid filename | |
699 | ||
700 | TrimWhitespace($_) ; | |
701 | ||
8fc38fda | 702 | death("INCLUDE: filename missing") |
703 | unless $_ ; | |
704 | ||
705 | death("INCLUDE: output pipe is illegal") | |
706 | if /^\s*\|/ ; | |
707 | ||
708 | # simple minded recursion detector | |
709 | death("INCLUDE loop detected") | |
710 | if $IncludedFiles{$_} ; | |
711 | ||
712 | ++ $IncludedFiles{$_} unless /\|\s*$/ ; | |
713 | ||
714 | # Save the current file context. | |
4230ab3f | 715 | push(@XSStack, { |
716 | type => 'file', | |
8fc38fda | 717 | LastLine => $lastline, |
718 | LastLineNo => $lastline_no, | |
719 | Line => \@line, | |
720 | LineNo => \@line_no, | |
721 | Filename => $filename, | |
c07a80fd | 722 | Handle => $FH, |
8fc38fda | 723 | }) ; |
724 | ||
c07a80fd | 725 | ++ $FH ; |
8fc38fda | 726 | |
727 | # open the new file | |
c07a80fd | 728 | open ($FH, "$_") or death("Cannot open '$_': $!") ; |
8fc38fda | 729 | |
730 | print Q<<"EOF" ; | |
731 | # | |
732 | #/* INCLUDE: Including '$_' from '$filename' */ | |
733 | # | |
734 | EOF | |
735 | ||
8fc38fda | 736 | $filename = $_ ; |
737 | ||
c07a80fd | 738 | # Prime the pump by reading the first |
739 | # non-blank line | |
740 | ||
741 | # skip leading blank lines | |
742 | while (<$FH>) { | |
743 | last unless /^\s*$/ ; | |
744 | } | |
745 | ||
746 | $lastline = $_ ; | |
8fc38fda | 747 | $lastline_no = $. ; |
748 | ||
749 | } | |
750 | ||
751 | sub PopFile() | |
752 | { | |
4230ab3f | 753 | return 0 unless $XSStack[-1]{type} eq 'file' ; |
754 | ||
755 | my $data = pop @XSStack ; | |
8fc38fda | 756 | my $ThisFile = $filename ; |
757 | my $isPipe = ($filename =~ /\|\s*$/) ; | |
758 | ||
759 | -- $IncludedFiles{$filename} | |
760 | unless $isPipe ; | |
761 | ||
c07a80fd | 762 | close $FH ; |
8fc38fda | 763 | |
c07a80fd | 764 | $FH = $data->{Handle} ; |
8fc38fda | 765 | $filename = $data->{Filename} ; |
766 | $lastline = $data->{LastLine} ; | |
767 | $lastline_no = $data->{LastLineNo} ; | |
768 | @line = @{ $data->{Line} } ; | |
769 | @line_no = @{ $data->{LineNo} } ; | |
4230ab3f | 770 | |
8fc38fda | 771 | if ($isPipe and $? ) { |
772 | -- $lastline_no ; | |
773 | print STDERR "Error reading from pipe '$ThisFile': $! in $filename, line $lastline_no\n" ; | |
774 | exit 1 ; | |
775 | } | |
776 | ||
777 | print Q<<"EOF" ; | |
778 | # | |
779 | #/* INCLUDE: Returning to '$filename' from '$ThisFile' */ | |
780 | # | |
781 | EOF | |
782 | ||
783 | return 1 ; | |
784 | } | |
785 | ||
382b8d97 PM |
786 | sub ValidProtoString ($) |
787 | { | |
788 | my($string) = @_ ; | |
789 | ||
790 | if ( $string =~ /^$proto_re+$/ ) { | |
791 | return $string ; | |
792 | } | |
793 | ||
794 | return 0 ; | |
795 | } | |
796 | ||
797 | sub C_string ($) | |
798 | { | |
799 | my($string) = @_ ; | |
800 | ||
801 | $string =~ s[\\][\\\\]g ; | |
802 | $string ; | |
803 | } | |
804 | ||
805 | sub ProtoString ($) | |
806 | { | |
807 | my ($type) = @_ ; | |
808 | ||
93d3b392 | 809 | $proto_letter{$type} or "\$" ; |
382b8d97 PM |
810 | } |
811 | ||
8e07c86e AD |
812 | sub check_cpp { |
813 | my @cpp = grep(/^\#\s*(?:if|e\w+)/, @line); | |
814 | if (@cpp) { | |
815 | my ($cpp, $cpplevel); | |
816 | for $cpp (@cpp) { | |
817 | if ($cpp =~ /^\#\s*if/) { | |
818 | $cpplevel++; | |
819 | } elsif (!$cpplevel) { | |
820 | Warn("Warning: #else/elif/endif without #if in this function"); | |
4230ab3f | 821 | print STDERR " (precede it with a blank line if the matching #if is outside the function)\n" |
822 | if $XSStack[-1]{type} eq 'if'; | |
8e07c86e AD |
823 | return; |
824 | } elsif ($cpp =~ /^\#\s*endif/) { | |
825 | $cpplevel--; | |
826 | } | |
827 | } | |
828 | Warn("Warning: #if without #endif in this function") if $cpplevel; | |
829 | } | |
830 | } | |
831 | ||
832 | ||
8990e307 | 833 | sub Q { |
e50aee73 | 834 | my($text) = @_; |
4633a7c4 | 835 | $text =~ s/^#//gm; |
2304df62 AD |
836 | $text =~ s/\[\[/{/g; |
837 | $text =~ s/\]\]/}/g; | |
8990e307 | 838 | $text; |
93a17b20 LW |
839 | } |
840 | ||
c07a80fd | 841 | open($FH, $filename) or die "cannot open $filename: $!\n"; |
c2960299 | 842 | |
f06db76b | 843 | # Identify the version of xsubpp used |
f06db76b | 844 | print <<EOM ; |
e50aee73 AD |
845 | /* |
846 | * This file was generated automatically by xsubpp version $XSUBPP_version from the | |
93d3b392 | 847 | * contents of $filename. Do not edit this file, edit $filename instead. |
e50aee73 AD |
848 | * |
849 | * ANY CHANGES MADE HERE WILL BE LOST! | |
f06db76b AD |
850 | * |
851 | */ | |
e50aee73 | 852 | |
f06db76b | 853 | EOM |
6f1abe2b JT |
854 | |
855 | ||
856 | print("#line 1 \"$filename\"\n") | |
857 | if $WantLineNumbers; | |
f06db76b | 858 | |
e03d20b3 | 859 | firstmodule: |
c07a80fd | 860 | while (<$FH>) { |
e03d20b3 | 861 | if (/^=/) { |
7817ba4d | 862 | my $podstartline = $.; |
e03d20b3 | 863 | do { |
7817ba4d NC |
864 | if (/^=cut\s*$/) { |
865 | print("/* Skipped embedded POD. */\n"); | |
866 | printf("#line %d \"$filename\"\n", $. + 1) | |
867 | if $WantLineNumbers; | |
868 | next firstmodule | |
869 | } | |
870 | ||
e03d20b3 | 871 | } while (<$FH>); |
7817ba4d NC |
872 | # At this point $. is at end of file so die won't state the start |
873 | # of the problem, and as we haven't yet read any lines &death won't | |
874 | # show the correct line in the message either. | |
875 | die ("Error: Unterminated pod in $filename, line $podstartline\n") | |
876 | unless $lastline; | |
e03d20b3 | 877 | } |
e50aee73 AD |
878 | last if ($Module, $Package, $Prefix) = |
879 | /^MODULE\s*=\s*([\w:]+)(?:\s+PACKAGE\s*=\s*([\w:]+))?(?:\s+PREFIX\s*=\s*(\S+))?\s*$/; | |
01f988be GS |
880 | |
881 | if ($OBJ) { | |
b85ee828 | 882 | s/#if(?:def\s|\s+defined)\s*(\(__cplusplus\)|__cplusplus)/#if defined(__cplusplus) && !defined(PERL_OBJECT)/; |
01f988be | 883 | } |
a0d0e21e | 884 | print $_; |
93a17b20 | 885 | } |
e50aee73 AD |
886 | &Exit unless defined $_; |
887 | ||
cfc02341 IZ |
888 | print "$xsubpp::counter::SECTION_END_MARKER\n" if $WantLineNumbers; |
889 | ||
8fc38fda | 890 | $lastline = $_; |
891 | $lastline_no = $.; | |
93a17b20 | 892 | |
c07a80fd | 893 | # Read next xsub into @line from ($lastline, <$FH>). |
2304df62 AD |
894 | sub fetch_para { |
895 | # parse paragraph | |
4230ab3f | 896 | death ("Error: Unterminated `#if/#ifdef/#ifndef'") |
897 | if !defined $lastline && $XSStack[-1]{type} eq 'if'; | |
2304df62 | 898 | @line = (); |
c2960299 | 899 | @line_no = () ; |
4230ab3f | 900 | return PopFile() if !defined $lastline; |
e50aee73 AD |
901 | |
902 | if ($lastline =~ | |
903 | /^MODULE\s*=\s*([\w:]+)(?:\s+PACKAGE\s*=\s*([\w:]+))?(?:\s+PREFIX\s*=\s*(\S+))?\s*$/) { | |
904 | $Module = $1; | |
8e07c86e AD |
905 | $Package = defined($2) ? $2 : ''; # keep -w happy |
906 | $Prefix = defined($3) ? $3 : ''; # keep -w happy | |
ff68c719 | 907 | $Prefix = quotemeta $Prefix ; |
e50aee73 | 908 | ($Module_cname = $Module) =~ s/\W/_/g; |
8e07c86e | 909 | ($Packid = $Package) =~ tr/:/_/; |
e50aee73 | 910 | $Packprefix = $Package; |
8e07c86e | 911 | $Packprefix .= "::" if $Packprefix ne ""; |
2304df62 | 912 | $lastline = ""; |
e50aee73 AD |
913 | } |
914 | ||
915 | for(;;) { | |
e03d20b3 | 916 | # Skip embedded PODs |
413e5597 | 917 | while ($lastline =~ /^=/) { |
e03d20b3 GS |
918 | while ($lastline = <$FH>) { |
919 | last if ($lastline =~ /^=cut\s*$/); | |
920 | } | |
921 | death ("Error: Unterminated pod") unless $lastline; | |
922 | $lastline = <$FH>; | |
923 | chomp $lastline; | |
924 | $lastline =~ s/^\s+$//; | |
925 | } | |
e50aee73 | 926 | if ($lastline !~ /^\s*#/ || |
4230ab3f | 927 | # CPP directives: |
928 | # ANSI: if ifdef ifndef elif else endif define undef | |
929 | # line error pragma | |
930 | # gcc: warning include_next | |
931 | # obj-c: import | |
932 | # others: ident (gcc notes that some cpps have this one) | |
933 | $lastline =~ /^#[ \t]*(?:(?:if|ifn?def|elif|else|endif|define|undef|pragma|error|warning|line\s+\d+|ident)\b|(?:include(?:_next)?|import)\s*["<].*[>"])/) { | |
e50aee73 AD |
934 | last if $lastline =~ /^\S/ && @line && $line[-1] eq ""; |
935 | push(@line, $lastline); | |
936 | push(@line_no, $lastline_no) ; | |
93a17b20 | 937 | } |
e50aee73 AD |
938 | |
939 | # Read next line and continuation lines | |
c07a80fd | 940 | last unless defined($lastline = <$FH>); |
e50aee73 AD |
941 | $lastline_no = $.; |
942 | my $tmp_line; | |
943 | $lastline .= $tmp_line | |
c07a80fd | 944 | while ($lastline =~ /\\$/ && defined($tmp_line = <$FH>)); |
f8b8e0a4 | 945 | |
8e07c86e | 946 | chomp $lastline; |
e50aee73 | 947 | $lastline =~ s/^\s+$//; |
2304df62 | 948 | } |
e50aee73 | 949 | pop(@line), pop(@line_no) while @line && $line[-1] eq ""; |
e50aee73 | 950 | 1; |
2304df62 | 951 | } |
93a17b20 | 952 | |
c2960299 | 953 | PARAGRAPH: |
8e07c86e | 954 | while (fetch_para()) { |
e50aee73 | 955 | # Print initial preprocessor statements and blank lines |
4230ab3f | 956 | while (@line && $line[0] !~ /^[^\#]/) { |
957 | my $line = shift(@line); | |
958 | print $line, "\n"; | |
959 | next unless $line =~ /^\#\s*((if)(?:n?def)?|elsif|else|endif)\b/; | |
960 | my $statement = $+; | |
961 | if ($statement eq 'if') { | |
962 | $XSS_work_idx = @XSStack; | |
963 | push(@XSStack, {type => 'if'}); | |
964 | } else { | |
965 | death ("Error: `$statement' with no matching `if'") | |
966 | if $XSStack[-1]{type} ne 'if'; | |
967 | if ($XSStack[-1]{varname}) { | |
968 | push(@InitFileCode, "#endif\n"); | |
969 | push(@BootCode, "#endif"); | |
970 | } | |
971 | ||
972 | my(@fns) = keys %{$XSStack[-1]{functions}}; | |
973 | if ($statement ne 'endif') { | |
974 | # Hide the functions defined in other #if branches, and reset. | |
975 | @{$XSStack[-1]{other_functions}}{@fns} = (1) x @fns; | |
976 | @{$XSStack[-1]}{qw(varname functions)} = ('', {}); | |
977 | } else { | |
978 | my($tmp) = pop(@XSStack); | |
979 | 0 while (--$XSS_work_idx | |
980 | && $XSStack[$XSS_work_idx]{type} ne 'if'); | |
981 | # Keep all new defined functions | |
982 | push(@fns, keys %{$tmp->{other_functions}}); | |
983 | @{$XSStack[$XSS_work_idx]{functions}}{@fns} = (1) x @fns; | |
984 | } | |
985 | } | |
986 | } | |
e50aee73 AD |
987 | |
988 | next PARAGRAPH unless @line; | |
989 | ||
4230ab3f | 990 | if ($XSS_work_idx && !$XSStack[$XSS_work_idx]{varname}) { |
991 | # We are inside an #if, but have not yet #defined its xsubpp variable. | |
992 | print "#define $cpp_next_tmp 1\n\n"; | |
993 | push(@InitFileCode, "#if $cpp_next_tmp\n"); | |
994 | push(@BootCode, "#if $cpp_next_tmp"); | |
995 | $XSStack[$XSS_work_idx]{varname} = $cpp_next_tmp++; | |
996 | } | |
997 | ||
55497cff | 998 | death ("Code is not inside a function" |
999 | ." (maybe last function was ended by a blank line " | |
1000 | ." followed by a a statement on column one?)") | |
e50aee73 AD |
1001 | if $line[0] =~ /^\s/; |
1002 | ||
2304df62 AD |
1003 | # initialize info arrays |
1004 | undef(%args_match); | |
1005 | undef(%var_types); | |
1006 | undef(%var_addr); | |
1007 | undef(%defaults); | |
1008 | undef($class); | |
1009 | undef($static); | |
1010 | undef($elipsis); | |
f06db76b | 1011 | undef($wantRETVAL) ; |
f8b8e0a4 | 1012 | undef($RETVAL_no_return) ; |
f06db76b | 1013 | undef(%arg_list) ; |
382b8d97 | 1014 | undef(@proto_arg) ; |
f8b8e0a4 GS |
1015 | undef(@arg_with_types) ; |
1016 | undef($processing_arg_with_types) ; | |
1017 | undef(%arg_types) ; | |
1018 | undef(@in_out) ; | |
1019 | undef(%in_out) ; | |
c07a80fd | 1020 | undef($proto_in_this_xsub) ; |
db3b9414 | 1021 | undef($scope_in_this_xsub) ; |
cfc02341 | 1022 | undef($interface); |
f8b8e0a4 | 1023 | undef($prepush_done); |
cfc02341 IZ |
1024 | $interface_macro = 'XSINTERFACE_FUNC' ; |
1025 | $interface_macro_set = 'XSINTERFACE_FUNC_SET' ; | |
382b8d97 | 1026 | $ProtoThisXSUB = $WantPrototypes ; |
db3b9414 | 1027 | $ScopeThisXSUB = 0; |
f8b8e0a4 | 1028 | $xsreturn = 0; |
2304df62 | 1029 | |
8e07c86e | 1030 | $_ = shift(@line); |
8fc38fda | 1031 | while ($kwd = check_keyword("REQUIRE|PROTOTYPES|VERSIONCHECK|INCLUDE")) { |
1032 | &{"${kwd}_handler"}() ; | |
8e07c86e AD |
1033 | next PARAGRAPH unless @line ; |
1034 | $_ = shift(@line); | |
1035 | } | |
c2960299 | 1036 | |
8e07c86e AD |
1037 | if (check_keyword("BOOT")) { |
1038 | &check_cpp; | |
6f1abe2b JT |
1039 | push (@BootCode, "#line $line_no[@line_no - @line] \"$filename\"") |
1040 | if $WantLineNumbers && $line[0] !~ /^\s*#\s*line\b/; | |
1041 | push (@BootCode, @line, "") ; | |
c2960299 | 1042 | next PARAGRAPH ; |
a0d0e21e | 1043 | } |
c2960299 | 1044 | |
8e07c86e AD |
1045 | |
1046 | # extract return type, function name and arguments | |
cfc02341 | 1047 | ($ret_type) = TidyType($_); |
f8b8e0a4 | 1048 | $RETVAL_no_return = 1 if $ret_type =~ s/^NO_OUTPUT\s+//; |
8e07c86e | 1049 | |
11416672 GS |
1050 | # Allow one-line ANSI-like declaration |
1051 | unshift @line, $2 | |
1052 | if $process_argtypes | |
1053 | and $ret_type =~ s/^(.*?\w.*?)\s*\b(\w+\s*\(.*)/$1/s; | |
1054 | ||
c2960299 AD |
1055 | # a function definition needs at least 2 lines |
1056 | blurt ("Error: Function definition too short '$ret_type'"), next PARAGRAPH | |
1057 | unless @line ; | |
1058 | ||
8e07c86e AD |
1059 | $static = 1 if $ret_type =~ s/^static\s+//; |
1060 | ||
2304df62 | 1061 | $func_header = shift(@line); |
c2960299 | 1062 | blurt ("Error: Cannot parse function definition from '$func_header'"), next PARAGRAPH |
f8b8e0a4 | 1063 | unless $func_header =~ /^(?:([\w:]*)::)?(\w+)\s*\(\s*(.*?)\s*\)\s*(const)?\s*(;\s*)?$/s; |
c2960299 | 1064 | |
8e07c86e | 1065 | ($class, $func_name, $orig_args) = ($1, $2, $3) ; |
f480b56a | 1066 | $class = "$4 $class" if $4; |
2304df62 | 1067 | ($pname = $func_name) =~ s/^($Prefix)?/$Packprefix/; |
ff68c719 | 1068 | ($clean_func_name = $func_name) =~ s/^$Prefix//; |
1069 | $Full_func_name = "${Packid}_$clean_func_name"; | |
ff0cee69 | 1070 | if ($Is_VMS) { $Full_func_name = $SymSet->addsym($Full_func_name); } |
c2960299 AD |
1071 | |
1072 | # Check for duplicate function definition | |
4230ab3f | 1073 | for $tmp (@XSStack) { |
1074 | next unless defined $tmp->{functions}{$Full_func_name}; | |
ff68c719 | 1075 | Warn("Warning: duplicate function definition '$clean_func_name' detected"); |
4230ab3f | 1076 | last; |
8e07c86e | 1077 | } |
4230ab3f | 1078 | $XSStack[$XSS_work_idx]{functions}{$Full_func_name} ++ ; |
be3174d2 | 1079 | %XsubAliases = %XsubAliasValues = %Interfaces = @Attributes = (); |
ef50df4b | 1080 | $DoSetMagic = 1; |
c2960299 | 1081 | |
f8b8e0a4 GS |
1082 | $orig_args =~ s/\\\s*/ /g; # process line continuations |
1083 | ||
1084 | my %out_vars; | |
1085 | if ($process_argtypes and $orig_args =~ /\S/) { | |
1086 | my $args = "$orig_args ,"; | |
14455d6c GS |
1087 | if ($args =~ /^( (??{ $C_arg }) , )* $ /x) { |
1088 | @args = ($args =~ /\G ( (??{ $C_arg }) ) , /xg); | |
f8b8e0a4 GS |
1089 | for ( @args ) { |
1090 | s/^\s+//; | |
1091 | s/\s+$//; | |
1092 | my $arg = $_; | |
1093 | my $default; | |
1094 | ($arg, $default) = / ( [^=]* ) ( (?: = .* )? ) /x; | |
1095 | my ($pre, $name) = ($arg =~ /(.*?) \s* \b(\w+) \s* $ /x); | |
1096 | next unless length $pre; | |
1097 | my $out_type; | |
1098 | my $inout_var; | |
63385af5 | 1099 | if ($process_inout and s/^(IN|IN_OUTLIST|OUTLIST)\s+//) { |
f8b8e0a4 | 1100 | my $type = $1; |
63385af5 GS |
1101 | $out_type = $type if $type ne 'IN'; |
1102 | $arg =~ s/^(IN|IN_OUTLIST|OUTLIST)\s+//; | |
f8b8e0a4 GS |
1103 | } |
1104 | if (/\W/) { # Has a type | |
1105 | push @arg_with_types, $arg; | |
1106 | # warn "pushing '$arg'\n"; | |
1107 | $arg_types{$name} = $arg; | |
1108 | $_ = "$name$default"; | |
1109 | } | |
63385af5 | 1110 | $out_vars{$_} = 1 if $out_type eq 'OUTLIST'; |
f8b8e0a4 GS |
1111 | push @in_out, $name if $out_type; |
1112 | $in_out{$name} = $out_type if $out_type; | |
1113 | } | |
1114 | } else { | |
1115 | @args = split(/\s*,\s*/, $orig_args); | |
1116 | Warn("Warning: cannot parse argument list '$orig_args', fallback to split"); | |
1117 | } | |
1118 | } else { | |
1119 | @args = split(/\s*,\s*/, $orig_args); | |
1120 | for (@args) { | |
63385af5 | 1121 | if ($process_inout and s/^(IN|IN_OUTLIST|OUTLIST)\s+//) { |
f8b8e0a4 | 1122 | my $out_type = $1; |
63385af5 GS |
1123 | next if $out_type eq 'IN'; |
1124 | $out_vars{$_} = 1 if $out_type eq 'OUTLIST'; | |
f8b8e0a4 GS |
1125 | push @in_out, $name; |
1126 | $in_out{$_} = $out_type; | |
1127 | } | |
1128 | } | |
1129 | } | |
a0d0e21e | 1130 | if (defined($class)) { |
683d4eee JL |
1131 | my $arg0 = ((defined($static) or $func_name eq 'new') |
1132 | ? "CLASS" : "THIS"); | |
8e07c86e | 1133 | unshift(@args, $arg0); |
f8b8e0a4 | 1134 | ($report_args = "$arg0, $report_args") =~ s/^\w+, $/$arg0/; |
2304df62 | 1135 | } |
f8b8e0a4 GS |
1136 | my $extra_args = 0; |
1137 | @args_num = (); | |
1138 | $num_args = 0; | |
1139 | my $report_args = ''; | |
1140 | foreach $i (0 .. $#args) { | |
2304df62 AD |
1141 | if ($args[$i] =~ s/\.\.\.//) { |
1142 | $elipsis = 1; | |
f8b8e0a4 GS |
1143 | if ($args[$i] eq '' && $i == $#args) { |
1144 | $report_args .= ", ..."; | |
2304df62 AD |
1145 | pop(@args); |
1146 | last; | |
1147 | } | |
1148 | } | |
f8b8e0a4 GS |
1149 | if ($out_vars{$args[$i]}) { |
1150 | push @args_num, undef; | |
1151 | } else { | |
1152 | push @args_num, ++$num_args; | |
1153 | $report_args .= ", $args[$i]"; | |
1154 | } | |
8e07c86e | 1155 | if ($args[$i] =~ /^([^=]*[^\s=])\s*=\s*(.*)/s) { |
f8b8e0a4 | 1156 | $extra_args++; |
2304df62 AD |
1157 | $args[$i] = $1; |
1158 | $defaults{$args[$i]} = $2; | |
1159 | $defaults{$args[$i]} =~ s/"/\\"/g; | |
1160 | } | |
93d3b392 | 1161 | $proto_arg[$i+1] = "\$" ; |
2304df62 | 1162 | } |
f8b8e0a4 GS |
1163 | $min_args = $num_args - $extra_args; |
1164 | $report_args =~ s/"/\\"/g; | |
1165 | $report_args =~ s/^,\s+//; | |
1166 | my @func_args = @args; | |
1167 | shift @func_args if defined($class); | |
1168 | ||
1169 | for (@func_args) { | |
1170 | s/^/&/ if $in_out{$_}; | |
2304df62 | 1171 | } |
f8b8e0a4 GS |
1172 | $func_args = join(", ", @func_args); |
1173 | @args_match{@args} = @args_num; | |
2304df62 | 1174 | |
8e07c86e | 1175 | $PPCODE = grep(/^\s*PPCODE\s*:/, @line); |
93d3b392 | 1176 | $CODE = grep(/^\s*CODE\s*:/, @line); |
6c5fb52b TB |
1177 | # Detect CODE: blocks which use ST(n)= or XST_m*(n,v) |
1178 | # to set explicit return values. | |
1179 | $EXPLICIT_RETURN = ($CODE && | |
1180 | ("@line" =~ /(\bST\s*\([^;]*=) | (\bXST_m\w+\s*\()/x )); | |
8e07c86e | 1181 | $ALIAS = grep(/^\s*ALIAS\s*:/, @line); |
cfc02341 | 1182 | $INTERFACE = grep(/^\s*INTERFACE\s*:/, @line); |
8e07c86e | 1183 | |
f8b8e0a4 GS |
1184 | $xsreturn = 1 if $EXPLICIT_RETURN; |
1185 | ||
2304df62 | 1186 | # print function header |
a0d0e21e | 1187 | print Q<<"EOF"; |
ff68c719 | 1188 | #XS(XS_${Full_func_name}) |
2304df62 | 1189 | #[[ |
a0d0e21e | 1190 | # dXSARGS; |
93a17b20 | 1191 | EOF |
8e07c86e AD |
1192 | print Q<<"EOF" if $ALIAS ; |
1193 | # dXSI32; | |
1194 | EOF | |
cfc02341 IZ |
1195 | print Q<<"EOF" if $INTERFACE ; |
1196 | # dXSFUNCTION($ret_type); | |
1197 | EOF | |
2304df62 | 1198 | if ($elipsis) { |
8e07c86e | 1199 | $cond = ($min_args ? qq(items < $min_args) : 0); |
2304df62 AD |
1200 | } |
1201 | elsif ($min_args == $num_args) { | |
1202 | $cond = qq(items != $min_args); | |
1203 | } | |
1204 | else { | |
1205 | $cond = qq(items < $min_args || items > $num_args); | |
1206 | } | |
8990e307 | 1207 | |
2304df62 AD |
1208 | print Q<<"EOF" if $except; |
1209 | # char errbuf[1024]; | |
1210 | # *errbuf = '\0'; | |
1211 | EOF | |
1212 | ||
8e07c86e AD |
1213 | if ($ALIAS) |
1214 | { print Q<<"EOF" if $cond } | |
1215 | # if ($cond) | |
f8b8e0a4 | 1216 | # Perl_croak(aTHX_ "Usage: %s($report_args)", GvNAME(CvGV(cv))); |
8e07c86e AD |
1217 | EOF |
1218 | else | |
1219 | { print Q<<"EOF" if $cond } | |
1220 | # if ($cond) | |
f8b8e0a4 | 1221 | # Perl_croak(aTHX_ "Usage: $pname($report_args)"); |
93a17b20 LW |
1222 | EOF |
1223 | ||
a0d0e21e LW |
1224 | print Q<<"EOF" if $PPCODE; |
1225 | # SP -= items; | |
1226 | EOF | |
1227 | ||
2304df62 | 1228 | # Now do a block of some sort. |
93a17b20 | 1229 | |
2304df62 | 1230 | $condnum = 0; |
8e07c86e AD |
1231 | $cond = ''; # last CASE: condidional |
1232 | push(@line, "$END:"); | |
1233 | push(@line_no, $line_no[-1]); | |
1234 | $_ = ''; | |
1235 | &check_cpp; | |
2304df62 | 1236 | while (@line) { |
8e07c86e AD |
1237 | &CASE_handler if check_keyword("CASE"); |
1238 | print Q<<"EOF"; | |
1239 | # $except [[ | |
93a17b20 LW |
1240 | EOF |
1241 | ||
1242 | # do initialization of input variables | |
1243 | $thisdone = 0; | |
1244 | $retvaldone = 0; | |
463ee0b2 | 1245 | $deferred = ""; |
c2960299 AD |
1246 | %arg_list = () ; |
1247 | $gotRETVAL = 0; | |
f06db76b | 1248 | |
8fc38fda | 1249 | INPUT_handler() ; |
be3174d2 | 1250 | process_keyword("INPUT|PREINIT|INTERFACE_MACRO|C_ARGS|ALIAS|ATTRS|PROTOTYPE|SCOPE") ; |
8fc38fda | 1251 | |
db3b9414 | 1252 | print Q<<"EOF" if $ScopeThisXSUB; |
1253 | # ENTER; | |
1254 | # [[ | |
1255 | EOF | |
1256 | ||
a0d0e21e | 1257 | if (!$thisdone && defined($class)) { |
683d4eee | 1258 | if (defined($static) or $func_name eq 'new') { |
a0d0e21e LW |
1259 | print "\tchar *"; |
1260 | $var_types{"CLASS"} = "char *"; | |
1261 | &generate_init("char *", 1, "CLASS"); | |
1262 | } | |
1263 | else { | |
93a17b20 LW |
1264 | print "\t$class *"; |
1265 | $var_types{"THIS"} = "$class *"; | |
1266 | &generate_init("$class *", 1, "THIS"); | |
a0d0e21e | 1267 | } |
93a17b20 LW |
1268 | } |
1269 | ||
1270 | # do code | |
1271 | if (/^\s*NOT_IMPLEMENTED_YET/) { | |
cea2e8a9 | 1272 | print "\n\tPerl_croak(aTHX_ \"$pname: not implemented yet\");\n"; |
4633a7c4 | 1273 | $_ = '' ; |
93a17b20 LW |
1274 | } else { |
1275 | if ($ret_type ne "void") { | |
ddf6bed1 | 1276 | print "\t" . &map_type($ret_type, 'RETVAL') . ";\n" |
93a17b20 LW |
1277 | if !$retvaldone; |
1278 | $args_match{"RETVAL"} = 0; | |
1279 | $var_types{"RETVAL"} = $ret_type; | |
b26a54d0 GS |
1280 | print "\tdXSTARG;\n" |
1281 | if $WantOptimize and $targetable{$type_kind{$ret_type}}; | |
93a17b20 | 1282 | } |
db3b9414 | 1283 | |
f8b8e0a4 GS |
1284 | if (@arg_with_types) { |
1285 | unshift @line, @arg_with_types, $_; | |
1286 | $_ = ""; | |
1287 | $processing_arg_with_types = 1; | |
1288 | INPUT_handler() ; | |
1289 | } | |
8e07c86e | 1290 | print $deferred; |
db3b9414 | 1291 | |
be3174d2 | 1292 | process_keyword("INIT|ALIAS|ATTRS|PROTOTYPE|INTERFACE_MACRO|INTERFACE|C_ARGS") ; |
8e07c86e AD |
1293 | |
1294 | if (check_keyword("PPCODE")) { | |
8fc38fda | 1295 | print_section(); |
8e07c86e | 1296 | death ("PPCODE must be last thing") if @line; |
db3b9414 | 1297 | print "\tLEAVE;\n" if $ScopeThisXSUB; |
a0d0e21e | 1298 | print "\tPUTBACK;\n\treturn;\n"; |
8e07c86e | 1299 | } elsif (check_keyword("CODE")) { |
8fc38fda | 1300 | print_section() ; |
1301 | } elsif (defined($class) and $func_name eq "DESTROY") { | |
a0d0e21e | 1302 | print "\n\t"; |
8e07c86e | 1303 | print "delete THIS;\n"; |
93a17b20 LW |
1304 | } else { |
1305 | print "\n\t"; | |
1306 | if ($ret_type ne "void") { | |
463ee0b2 | 1307 | print "RETVAL = "; |
e50aee73 | 1308 | $wantRETVAL = 1; |
93a17b20 LW |
1309 | } |
1310 | if (defined($static)) { | |
683d4eee | 1311 | if ($func_name eq 'new') { |
8fc38fda | 1312 | $func_name = "$class"; |
8e07c86e AD |
1313 | } else { |
1314 | print "${class}::"; | |
a0d0e21e | 1315 | } |
93a17b20 | 1316 | } elsif (defined($class)) { |
683d4eee | 1317 | if ($func_name eq 'new') { |
8fc38fda | 1318 | $func_name .= " $class"; |
1319 | } else { | |
93a17b20 | 1320 | print "THIS->"; |
8fc38fda | 1321 | } |
93a17b20 | 1322 | } |
e50aee73 AD |
1323 | $func_name =~ s/^($spat)// |
1324 | if defined($spat); | |
cfc02341 | 1325 | $func_name = 'XSFUNCTION' if $interface; |
93a17b20 | 1326 | print "$func_name($func_args);\n"; |
93a17b20 LW |
1327 | } |
1328 | } | |
1329 | ||
1330 | # do output variables | |
f8b8e0a4 GS |
1331 | $gotRETVAL = 0; # 1 if RETVAL seen in OUTPUT section; |
1332 | undef $RETVAL_code ; # code to set RETVAL (from OUTPUT section); | |
1333 | # $wantRETVAL set if 'RETVAL =' autogenerated | |
1334 | ($wantRETVAL, $ret_type) = (0, 'void') if $RETVAL_no_return; | |
8e07c86e | 1335 | undef %outargs ; |
be3174d2 | 1336 | process_keyword("POSTCALL|OUTPUT|ALIAS|ATTRS|PROTOTYPE"); |
f06db76b AD |
1337 | |
1338 | # all OUTPUT done, so now push the return value on the stack | |
8e07c86e AD |
1339 | if ($gotRETVAL && $RETVAL_code) { |
1340 | print "\t$RETVAL_code\n"; | |
1341 | } elsif ($gotRETVAL || $wantRETVAL) { | |
b26a54d0 GS |
1342 | my $t = $WantOptimize && $targetable{$type_kind{$ret_type}}; |
1343 | my $var = 'RETVAL'; | |
1344 | my $type = $ret_type; | |
1345 | ||
1346 | # 0: type, 1: with_size, 2: how, 3: how_size | |
1347 | if ($t and not $t->[1] and $t->[0] eq 'p') { | |
1348 | # PUSHp corresponds to setpvn. Treate setpv directly | |
1349 | my $what = eval qq("$t->[2]"); | |
1350 | warn $@ if $@; | |
1351 | ||
1352 | print "\tsv_setpv(TARG, $what); XSprePUSH; PUSHTARG;\n"; | |
f8b8e0a4 | 1353 | $prepush_done = 1; |
b26a54d0 GS |
1354 | } |
1355 | elsif ($t) { | |
1356 | my $what = eval qq("$t->[2]"); | |
1357 | warn $@ if $@; | |
1358 | ||
1359 | my $size = $t->[3]; | |
1360 | $size = '' unless defined $size; | |
1361 | $size = eval qq("$size"); | |
1362 | warn $@ if $@; | |
1363 | print "\tXSprePUSH; PUSH$t->[0]($what$size);\n"; | |
f8b8e0a4 | 1364 | $prepush_done = 1; |
b26a54d0 GS |
1365 | } |
1366 | else { | |
1367 | # RETVAL almost never needs SvSETMAGIC() | |
1368 | &generate_output($ret_type, 0, 'RETVAL', 0); | |
1369 | } | |
8e07c86e | 1370 | } |
f06db76b | 1371 | |
f8b8e0a4 GS |
1372 | $xsreturn = 1 if $ret_type ne "void"; |
1373 | my $num = $xsreturn; | |
1374 | my $c = @in_out; | |
1375 | print "\tXSprePUSH;" if $c and not $prepush_done; | |
1376 | print "\tEXTEND(SP,$c);\n" if $c; | |
1377 | $xsreturn += $c; | |
1378 | generate_output($var_types{$_}, $num++, $_, 0, 1) for @in_out; | |
1379 | ||
93a17b20 | 1380 | # do cleanup |
be3174d2 | 1381 | process_keyword("CLEANUP|ALIAS|ATTRS|PROTOTYPE") ; |
8e07c86e | 1382 | |
db3b9414 | 1383 | print Q<<"EOF" if $ScopeThisXSUB; |
1384 | # ]] | |
1385 | EOF | |
1386 | print Q<<"EOF" if $ScopeThisXSUB and not $PPCODE; | |
1387 | # LEAVE; | |
1388 | EOF | |
1389 | ||
93a17b20 | 1390 | # print function trailer |
8e07c86e | 1391 | print Q<<EOF; |
2304df62 | 1392 | # ]] |
8e07c86e AD |
1393 | EOF |
1394 | print Q<<EOF if $except; | |
8990e307 LW |
1395 | # BEGHANDLERS |
1396 | # CATCHALL | |
1397 | # sprintf(errbuf, "%s: %s\\tpropagated", Xname, Xreason); | |
1398 | # ENDHANDLERS | |
93a17b20 | 1399 | EOF |
8e07c86e AD |
1400 | if (check_keyword("CASE")) { |
1401 | blurt ("Error: No `CASE:' at top of function") | |
1402 | unless $condnum; | |
1403 | $_ = "CASE: $_"; # Restore CASE: label | |
1404 | next; | |
8990e307 | 1405 | } |
8e07c86e AD |
1406 | last if $_ eq "$END:"; |
1407 | death(/^$BLOCK_re/o ? "Misplaced `$1:'" : "Junk at end of function"); | |
2304df62 | 1408 | } |
a0d0e21e | 1409 | |
2304df62 AD |
1410 | print Q<<EOF if $except; |
1411 | # if (errbuf[0]) | |
cea2e8a9 | 1412 | # Perl_croak(aTHX_ errbuf); |
2304df62 | 1413 | EOF |
a0d0e21e | 1414 | |
f8b8e0a4 | 1415 | if ($xsreturn) { |
93d3b392 | 1416 | print Q<<EOF unless $PPCODE; |
f8b8e0a4 | 1417 | # XSRETURN($xsreturn); |
a0d0e21e | 1418 | EOF |
93d3b392 | 1419 | } else { |
1420 | print Q<<EOF unless $PPCODE; | |
1421 | # XSRETURN_EMPTY; | |
1422 | EOF | |
1423 | } | |
a0d0e21e | 1424 | |
2304df62 | 1425 | print Q<<EOF; |
2304df62 | 1426 | #]] |
8990e307 | 1427 | # |
93a17b20 | 1428 | EOF |
382b8d97 | 1429 | |
4230ab3f | 1430 | my $newXS = "newXS" ; |
1431 | my $proto = "" ; | |
1432 | ||
382b8d97 PM |
1433 | # Build the prototype string for the xsub |
1434 | if ($ProtoThisXSUB) { | |
4230ab3f | 1435 | $newXS = "newXSproto"; |
1436 | ||
6f1abe2b | 1437 | if ($ProtoThisXSUB eq 2) { |
4230ab3f | 1438 | # User has specified empty prototype |
1439 | $proto = ', ""' ; | |
1440 | } | |
6f1abe2b | 1441 | elsif ($ProtoThisXSUB ne 1) { |
7d41bd0a | 1442 | # User has specified a prototype |
4230ab3f | 1443 | $proto = ', "' . $ProtoThisXSUB . '"'; |
382b8d97 PM |
1444 | } |
1445 | else { | |
1446 | my $s = ';'; | |
1447 | if ($min_args < $num_args) { | |
1448 | $s = ''; | |
1449 | $proto_arg[$min_args] .= ";" ; | |
1450 | } | |
4230ab3f | 1451 | push @proto_arg, "$s\@" |
382b8d97 PM |
1452 | if $elipsis ; |
1453 | ||
4230ab3f | 1454 | $proto = ', "' . join ("", @proto_arg) . '"'; |
382b8d97 PM |
1455 | } |
1456 | } | |
1457 | ||
4230ab3f | 1458 | if (%XsubAliases) { |
1459 | $XsubAliases{$pname} = 0 | |
1460 | unless defined $XsubAliases{$pname} ; | |
1461 | while ( ($name, $value) = each %XsubAliases) { | |
1462 | push(@InitFileCode, Q<<"EOF"); | |
1463 | # cv = newXS(\"$name\", XS_$Full_func_name, file); | |
1464 | # XSANY.any_i32 = $value ; | |
1465 | EOF | |
1466 | push(@InitFileCode, Q<<"EOF") if $proto; | |
1467 | # sv_setpv((SV*)cv$proto) ; | |
1468 | EOF | |
1469 | } | |
cfc02341 | 1470 | } |
be3174d2 GS |
1471 | elsif (@Attributes) { |
1472 | push(@InitFileCode, Q<<"EOF"); | |
1473 | # cv = newXS(\"$pname\", XS_$Full_func_name, file); | |
1474 | # apply_attrs_string("$Package", cv, "@Attributes", 0); | |
1475 | EOF | |
1476 | } | |
cfc02341 IZ |
1477 | elsif ($interface) { |
1478 | while ( ($name, $value) = each %Interfaces) { | |
1479 | $name = "$Package\::$name" unless $name =~ /::/; | |
1480 | push(@InitFileCode, Q<<"EOF"); | |
1481 | # cv = newXS(\"$name\", XS_$Full_func_name, file); | |
1482 | # $interface_macro_set(cv,$value) ; | |
1483 | EOF | |
1484 | push(@InitFileCode, Q<<"EOF") if $proto; | |
1485 | # sv_setpv((SV*)cv$proto) ; | |
1486 | EOF | |
1487 | } | |
4230ab3f | 1488 | } |
1489 | else { | |
1490 | push(@InitFileCode, | |
1491 | " ${newXS}(\"$pname\", XS_$Full_func_name, file$proto);\n"); | |
1492 | } | |
93a17b20 LW |
1493 | } |
1494 | ||
1495 | # print initialization routine | |
7ee8c957 | 1496 | |
e3b8966e | 1497 | print Q<<"EOF"; |
e3b8966e GS |
1498 | ##ifdef __cplusplus |
1499 | #extern "C" | |
1500 | ##endif | |
7ee8c957 GS |
1501 | EOF |
1502 | ||
8990e307 | 1503 | print Q<<"EOF"; |
a0d0e21e | 1504 | #XS(boot_$Module_cname) |
7ee8c957 GS |
1505 | EOF |
1506 | ||
7ee8c957 | 1507 | print Q<<"EOF"; |
2304df62 | 1508 | #[[ |
a0d0e21e | 1509 | # dXSARGS; |
8990e307 LW |
1510 | # char* file = __FILE__; |
1511 | # | |
93a17b20 LW |
1512 | EOF |
1513 | ||
8fc38fda | 1514 | print Q<<"EOF" if $WantVersionChk ; |
1515 | # XS_VERSION_BOOTCHECK ; | |
1516 | # | |
1517 | EOF | |
1518 | ||
cfc02341 | 1519 | print Q<<"EOF" if defined $XsubAliases or defined $Interfaces ; |
8e07c86e AD |
1520 | # { |
1521 | # CV * cv ; | |
1522 | # | |
1523 | EOF | |
1524 | ||
4230ab3f | 1525 | print @InitFileCode; |
a0d0e21e | 1526 | |
cfc02341 | 1527 | print Q<<"EOF" if defined $XsubAliases or defined $Interfaces ; |
8e07c86e AD |
1528 | # } |
1529 | EOF | |
1530 | ||
a0d0e21e LW |
1531 | if (@BootCode) |
1532 | { | |
6f1abe2b JT |
1533 | print "\n /* Initialisation Section */\n\n" ; |
1534 | @line = @BootCode; | |
1535 | print_section(); | |
8e07c86e | 1536 | print "\n /* End of Initialisation Section */\n\n" ; |
93a17b20 | 1537 | } |
a0d0e21e | 1538 | |
e50aee73 | 1539 | print Q<<"EOF";; |
3280af22 | 1540 | # XSRETURN_YES; |
e50aee73 | 1541 | #]] |
e3b8966e GS |
1542 | # |
1543 | EOF | |
1544 | ||
8fc38fda | 1545 | warn("Please specify prototyping behavior for $filename (see perlxs manual)\n") |
1546 | unless $ProtoUsed ; | |
e50aee73 AD |
1547 | &Exit; |
1548 | ||
93a17b20 | 1549 | sub output_init { |
ddf6bed1 | 1550 | local($type, $num, $var, $init, $name_printed) = @_; |
a0d0e21e | 1551 | local($arg) = "ST(" . ($num - 1) . ")"; |
93a17b20 | 1552 | |
7ad6fb0b | 1553 | if( $init =~ /^=/ ) { |
ddf6bed1 IZ |
1554 | if ($name_printed) { |
1555 | eval qq/print " $init\\n"/; | |
1556 | } else { | |
1557 | eval qq/print "\\t$var $init\\n"/; | |
1558 | } | |
7ad6fb0b TM |
1559 | warn $@ if $@; |
1560 | } else { | |
1561 | if( $init =~ s/^\+// && $num ) { | |
ddf6bed1 IZ |
1562 | &generate_init($type, $num, $var, $name_printed); |
1563 | } elsif ($name_printed) { | |
1564 | print ";\n"; | |
1565 | $init =~ s/^;//; | |
7ad6fb0b TM |
1566 | } else { |
1567 | eval qq/print "\\t$var;\\n"/; | |
1568 | warn $@ if $@; | |
1569 | $init =~ s/^;//; | |
1570 | } | |
1571 | $deferred .= eval qq/"\\n\\t$init\\n"/; | |
1572 | warn $@ if $@; | |
1573 | } | |
93a17b20 LW |
1574 | } |
1575 | ||
c2960299 AD |
1576 | sub Warn |
1577 | { | |
1578 | # work out the line number | |
1579 | my $line_no = $line_no[@line_no - @line -1] ; | |
1580 | ||
1581 | print STDERR "@_ in $filename, line $line_no\n" ; | |
1582 | } | |
1583 | ||
1584 | sub blurt | |
1585 | { | |
1586 | Warn @_ ; | |
1587 | $errors ++ | |
1588 | } | |
1589 | ||
1590 | sub death | |
1591 | { | |
1592 | Warn @_ ; | |
1593 | exit 1 ; | |
1594 | } | |
8990e307 | 1595 | |
93a17b20 | 1596 | sub generate_init { |
2304df62 | 1597 | local($type, $num, $var) = @_; |
a0d0e21e | 1598 | local($arg) = "ST(" . ($num - 1) . ")"; |
2304df62 AD |
1599 | local($argoff) = $num - 1; |
1600 | local($ntype); | |
1601 | local($tk); | |
93a17b20 | 1602 | |
f06db76b | 1603 | $type = TidyType($type) ; |
c2960299 AD |
1604 | blurt("Error: '$type' not in typemap"), return |
1605 | unless defined($type_kind{$type}); | |
1606 | ||
2304df62 | 1607 | ($ntype = $type) =~ s/\s*\*/Ptr/g; |
8e07c86e | 1608 | ($subtype = $ntype) =~ s/(?:Array)?(?:Ptr)?$//; |
2304df62 AD |
1609 | $tk = $type_kind{$type}; |
1610 | $tk =~ s/OBJ$/REF/ if $func_name =~ /DESTROY$/; | |
8e07c86e | 1611 | $type =~ tr/:/_/; |
615ca1f4 | 1612 | blurt("Error: No INPUT definition for type '$type', typekind '$type_kind{$type}' found"), return |
c2960299 | 1613 | unless defined $input_expr{$tk} ; |
2304df62 AD |
1614 | $expr = $input_expr{$tk}; |
1615 | if ($expr =~ /DO_ARRAY_ELEM/) { | |
c2960299 AD |
1616 | blurt("Error: '$subtype' not in typemap"), return |
1617 | unless defined($type_kind{$subtype}); | |
615ca1f4 | 1618 | blurt("Error: No INPUT definition for type '$subtype', typekind '$type_kind{$subtype}' found"), return |
c2960299 | 1619 | unless defined $input_expr{$type_kind{$subtype}} ; |
2304df62 AD |
1620 | $subexpr = $input_expr{$type_kind{$subtype}}; |
1621 | $subexpr =~ s/ntype/subtype/g; | |
1622 | $subexpr =~ s/\$arg/ST(ix_$var)/g; | |
1623 | $subexpr =~ s/\n\t/\n\t\t/g; | |
93d3b392 | 1624 | $subexpr =~ s/is not of (.*\")/[arg %d] is not of $1, ix_$var + 1/g; |
a0d0e21e | 1625 | $subexpr =~ s/\$var/${var}[ix_$var - $argoff]/; |
2304df62 AD |
1626 | $expr =~ s/DO_ARRAY_ELEM/$subexpr/; |
1627 | } | |
db3b9414 | 1628 | if ($expr =~ m#/\*.*scope.*\*/#i) { # "scope" in C comments |
1629 | $ScopeThisXSUB = 1; | |
1630 | } | |
2304df62 AD |
1631 | if (defined($defaults{$var})) { |
1632 | $expr =~ s/(\t+)/$1 /g; | |
1633 | $expr =~ s/ /\t/g; | |
ddf6bed1 IZ |
1634 | if ($name_printed) { |
1635 | print ";\n"; | |
1636 | } else { | |
1637 | eval qq/print "\\t$var;\\n"/; | |
1638 | warn $@ if $@; | |
1639 | } | |
a104f515 | 1640 | if ($defaults{$var} eq 'NO_INIT') { |
4628e4f8 GS |
1641 | $deferred .= eval qq/"\\n\\tif (items >= $num) {\\n$expr;\\n\\t}\\n"/; |
1642 | } else { | |
1643 | $deferred .= eval qq/"\\n\\tif (items < $num)\\n\\t $var = $defaults{$var};\\n\\telse {\\n$expr;\\n\\t}\\n"/; | |
1644 | } | |
7ad6fb0b | 1645 | warn $@ if $@; |
db3b9414 | 1646 | } elsif ($ScopeThisXSUB or $expr !~ /^\t\$var =/) { |
ddf6bed1 IZ |
1647 | if ($name_printed) { |
1648 | print ";\n"; | |
1649 | } else { | |
1650 | eval qq/print "\\t$var;\\n"/; | |
1651 | warn $@ if $@; | |
1652 | } | |
2304df62 | 1653 | $deferred .= eval qq/"\\n$expr;\\n"/; |
7ad6fb0b | 1654 | warn $@ if $@; |
2304df62 | 1655 | } else { |
ddf6bed1 IZ |
1656 | die "panic: do not know how to handle this branch for function pointers" |
1657 | if $name_printed; | |
2304df62 | 1658 | eval qq/print "$expr;\\n"/; |
7ad6fb0b | 1659 | warn $@ if $@; |
2304df62 | 1660 | } |
93a17b20 LW |
1661 | } |
1662 | ||
1663 | sub generate_output { | |
f8b8e0a4 | 1664 | local($type, $num, $var, $do_setmagic, $do_push) = @_; |
a0d0e21e | 1665 | local($arg) = "ST(" . ($num - ($num != 0)) . ")"; |
2304df62 AD |
1666 | local($argoff) = $num - 1; |
1667 | local($ntype); | |
93a17b20 | 1668 | |
f06db76b | 1669 | $type = TidyType($type) ; |
2304df62 | 1670 | if ($type =~ /^array\(([^,]*),(.*)\)/) { |
4bd3d083 | 1671 | print "\tsv_setpvn($arg, (char *)$var, $2 * sizeof($1));\n"; |
ef50df4b | 1672 | print "\tSvSETMAGIC($arg);\n" if $do_setmagic; |
2304df62 | 1673 | } else { |
f06db76b | 1674 | blurt("Error: '$type' not in typemap"), return |
2304df62 | 1675 | unless defined($type_kind{$type}); |
615ca1f4 | 1676 | blurt("Error: No OUTPUT definition for type '$type', typekind '$type_kind{$type}' found"), return |
c2960299 | 1677 | unless defined $output_expr{$type_kind{$type}} ; |
2304df62 AD |
1678 | ($ntype = $type) =~ s/\s*\*/Ptr/g; |
1679 | $ntype =~ s/\(\)//g; | |
8e07c86e | 1680 | ($subtype = $ntype) =~ s/(?:Array)?(?:Ptr)?$//; |
2304df62 AD |
1681 | $expr = $output_expr{$type_kind{$type}}; |
1682 | if ($expr =~ /DO_ARRAY_ELEM/) { | |
c2960299 AD |
1683 | blurt("Error: '$subtype' not in typemap"), return |
1684 | unless defined($type_kind{$subtype}); | |
615ca1f4 | 1685 | blurt("Error: No OUTPUT definition for type '$subtype', typekind '$type_kind{$subtype}' found"), return |
c2960299 | 1686 | unless defined $output_expr{$type_kind{$subtype}} ; |
2304df62 AD |
1687 | $subexpr = $output_expr{$type_kind{$subtype}}; |
1688 | $subexpr =~ s/ntype/subtype/g; | |
1689 | $subexpr =~ s/\$arg/ST(ix_$var)/g; | |
1690 | $subexpr =~ s/\$var/${var}[ix_$var]/g; | |
1691 | $subexpr =~ s/\n\t/\n\t\t/g; | |
1692 | $expr =~ s/DO_ARRAY_ELEM\n/$subexpr/; | |
a0d0e21e | 1693 | eval "print qq\a$expr\a"; |
7ad6fb0b | 1694 | warn $@ if $@; |
ef50df4b | 1695 | print "\t\tSvSETMAGIC(ST(ix_$var));\n" if $do_setmagic; |
2304df62 | 1696 | } |
a0d0e21e | 1697 | elsif ($var eq 'RETVAL') { |
a2baab1c IZ |
1698 | if ($expr =~ /^\t\$arg = new/) { |
1699 | # We expect that $arg has refcnt 1, so we need to | |
1700 | # mortalize it. | |
a0d0e21e | 1701 | eval "print qq\a$expr\a"; |
7ad6fb0b | 1702 | warn $@ if $@; |
f8b8e0a4 GS |
1703 | print "\tsv_2mortal(ST($num));\n"; |
1704 | print "\tSvSETMAGIC(ST($num));\n" if $do_setmagic; | |
93a17b20 | 1705 | } |
a2baab1c IZ |
1706 | elsif ($expr =~ /^\s*\$arg\s*=/) { |
1707 | # We expect that $arg has refcnt >=1, so we need | |
d689ffdd | 1708 | # to mortalize it! |
a2baab1c | 1709 | eval "print qq\a$expr\a"; |
7ad6fb0b | 1710 | warn $@ if $@; |
d689ffdd | 1711 | print "\tsv_2mortal(ST(0));\n"; |
ef50df4b | 1712 | print "\tSvSETMAGIC(ST(0));\n" if $do_setmagic; |
a2baab1c | 1713 | } |
2304df62 | 1714 | else { |
a2baab1c IZ |
1715 | # Just hope that the entry would safely write it |
1716 | # over an already mortalized value. By | |
1717 | # coincidence, something like $arg = &sv_undef | |
1718 | # works too. | |
8990e307 | 1719 | print "\tST(0) = sv_newmortal();\n"; |
a0d0e21e | 1720 | eval "print qq\a$expr\a"; |
7ad6fb0b | 1721 | warn $@ if $@; |
ef50df4b | 1722 | # new mortals don't have set magic |
463ee0b2 | 1723 | } |
2304df62 | 1724 | } |
f8b8e0a4 GS |
1725 | elsif ($do_push) { |
1726 | print "\tPUSHs(sv_newmortal());\n"; | |
1727 | $arg = "ST($num)"; | |
1728 | eval "print qq\a$expr\a"; | |
1729 | warn $@ if $@; | |
1730 | print "\tSvSETMAGIC($arg);\n" if $do_setmagic; | |
1731 | } | |
a0d0e21e LW |
1732 | elsif ($arg =~ /^ST\(\d+\)$/) { |
1733 | eval "print qq\a$expr\a"; | |
7ad6fb0b | 1734 | warn $@ if $@; |
ef50df4b | 1735 | print "\tSvSETMAGIC($arg);\n" if $do_setmagic; |
a0d0e21e | 1736 | } |
2304df62 | 1737 | } |
93a17b20 LW |
1738 | } |
1739 | ||
1740 | sub map_type { | |
ddf6bed1 | 1741 | my($type, $varname) = @_; |
93a17b20 | 1742 | |
8e07c86e AD |
1743 | $type =~ tr/:/_/; |
1744 | $type =~ s/^array\(([^,]*),(.*)\).*/$1 */s; | |
ddf6bed1 IZ |
1745 | if ($varname) { |
1746 | if ($varname && $type =~ / \( \s* \* (?= \s* \) ) /xg) { | |
1747 | (substr $type, pos $type, 0) = " $varname "; | |
1748 | } else { | |
1749 | $type .= "\t$varname"; | |
1750 | } | |
1751 | } | |
8e07c86e | 1752 | $type; |
93a17b20 | 1753 | } |
8990e307 | 1754 | |
e50aee73 AD |
1755 | |
1756 | sub Exit { | |
ff0cee69 | 1757 | # If this is VMS, the exit status has meaning to the shell, so we |
1758 | # use a predictable value (SS$_Normal or SS$_Abort) rather than an | |
1759 | # arbitrary number. | |
1760 | # exit ($Is_VMS ? ($errors ? 44 : 1) : $errors) ; | |
1761 | exit ($errors ? 1 : 0); | |
e50aee73 | 1762 | } |