Commit | Line | Data |
6a28abbc |
1 | #!/usr/bin/perl |
2 | |
3 | # Suboptimal things: |
4 | # ast type info is generally still implicit |
5 | # the combined madness calls are actually losing type information |
6 | # brace madprops tend to be too low in the tree |
7 | # could use about 18 more refactorings... |
8 | # lots of unused cruft left around from previous refactorings |
9 | |
10 | use strict; |
11 | use warnings; |
12 | use Carp; |
13 | use lib '/home/larry/src/p55'; |
14 | |
15 | use P5AST; |
16 | use P5re; |
17 | |
18 | my $dowarn = 0; |
19 | my $YAML = 0; |
20 | my $deinterpolate; |
21 | |
22 | while (@ARGV and $ARGV[0] =~ /^-/) { |
23 | my $switch = shift; |
24 | if ($switch eq '-w') { |
25 | $dowarn = 1; |
26 | } |
27 | elsif ($switch eq '-Y') { |
28 | $YAML = 1; |
29 | } |
30 | elsif ($switch eq '-d') { |
31 | $deinterpolate = 1; |
32 | } |
33 | else { |
34 | die "Unrecognized switch: -$switch"; |
35 | } |
36 | } |
37 | |
38 | @ARGV = ('foo.xml') unless @ARGV; |
39 | my $filename = shift; |
40 | |
41 | $::curstate = 0; |
42 | $::prevstate = 0; |
43 | $::curenc = 1; # start in iso-8859-1, sigh... |
44 | |
45 | $::H = "HeredocHere000"; |
46 | %::H = (); |
47 | |
48 | my @enc = ( |
49 | 'utf-8', |
50 | 'iso-8859-1', |
51 | ); |
52 | |
53 | my %enc = ( |
54 | 'utf-8' => 0, |
55 | 'iso-8859-1' => 1, |
56 | ); |
57 | |
58 | my %madtype = ( |
59 | '$' => 'p5::sigil', |
60 | '@' => 'p5::sigil', |
61 | '%' => 'p5::sigil', |
62 | '&' => 'p5::sigil', |
63 | '*' => 'p5::sigil', |
64 | 'o' => 'p5::operator', |
65 | '~' => 'p5::operator', |
66 | '+' => 'p5::punct', |
67 | '?' => 'p5::punct', |
68 | ':' => 'p5::punct', |
69 | ',' => 'p5::punct', |
70 | ';' => 'p5::punct', |
71 | '#' => 'p5::punct', |
72 | '(' => 'p5::opener', |
73 | ')' => 'p5::closer', |
74 | '[' => 'p5::opener', |
75 | ']' => 'p5::closer', |
76 | '{' => 'p5::opener', |
77 | '}' => 'p5::closer', |
78 | '1' => 'p5::punct', |
79 | '2' => 'p5::punct', |
80 | 'a' => 'p5::operator', |
81 | 'A' => 'p5::operator', |
82 | 'd' => 'p5::declarator', |
83 | 'E' => 'p5::text', |
84 | 'L' => 'p5::label', |
85 | 'm' => 'p5::remod', |
86 | # 'n' => 'p5::name', |
87 | 'q' => 'p5::openquote', |
88 | 'Q' => 'p5::closequote', |
89 | '=' => 'p5::text', |
90 | 'R' => 'p5::text', |
91 | 's' => 'p5::text', |
92 | 's' => 'p5::declarator', |
93 | # 'V' => 'p5::version', |
94 | 'X' => 'p5::token', |
95 | ); |
96 | |
97 | $SIG{__DIE__} = sub { |
98 | my $e = shift; |
99 | $e =~ s/\n$/\n [NODE $filename line $::prevstate->{line}]/ if $::prevstate; |
100 | confess $e; |
101 | }; |
102 | |
103 | use Data::Dumper; |
104 | $Data::Dumper::Indent = 1; |
105 | $Data::Dumper::Quotekeys = 0; |
106 | |
107 | sub d { |
108 | my $text = Dumper(@_); |
109 | # doesn't scale well, alas |
110 | 1 while $text =~ s/(.*)^([^\n]*)bless\( \{\n(.*?)^(\s*\}), '([^']*)' \)([^\n]*)/$1$2$5 {\n$3$4$6 # $5/ms; |
111 | $text =~ s/PLXML:://g; |
112 | if ($text) { |
113 | my ($package, $filename, $line) = caller; |
114 | my $subroutine = (caller(1))[3]; |
115 | $text =~ s/\n?\z/, called from $subroutine, line $line\n/; |
116 | warn $text; |
117 | } |
118 | }; |
119 | |
120 | { |
121 | |
122 | my %xmlrepl = ( |
123 | '&' => '&', |
124 | "'" => ''', |
125 | '"' => '&dquo;', |
126 | '<' => '<', |
127 | '>' => '>', |
128 | "\n" => ' ', |
129 | "\t" => '	', |
130 | ); |
131 | |
132 | sub x { |
133 | my $indent = 0; |
134 | if (@_ > 1) { |
135 | warn xdolist($indent,"LIST",@_); |
136 | } |
137 | else { |
138 | my $type = ref $_[0]; |
139 | if ($type) { |
140 | warn xdoitem($indent,$type,@_); |
141 | } |
142 | else { |
143 | warn xdoitem($indent,"ITEM",@_); |
144 | } |
145 | } |
146 | } |
147 | |
148 | sub xdolist { |
149 | my $indent = shift; |
150 | my $tag = shift; |
151 | my $in = ' ' x ($indent * 2); |
152 | my $result; |
153 | $result .= "$in<$tag>\n" if defined $tag; |
154 | for my $it (@_) { |
155 | my $itt = ref $it || "ITEM"; |
156 | $itt =~ s/::/:/g; |
157 | $result .= xdoitem($indent+1,$itt,$it); |
158 | } |
159 | $result .= "$in</$tag>\n" if defined $tag; |
160 | return $result; |
161 | } |
162 | |
163 | sub xdohash { |
164 | my $indent = shift; |
165 | my $tag = shift; |
166 | my $hash = shift; |
167 | my $in = ' ' x ($indent * 2); |
168 | my $result = "$in<$tag>\n"; |
169 | my @keys = sort keys %$hash; |
170 | my $longest = 0; |
171 | for my $k (@keys) { |
172 | $longest = length($k) if length($k) > $longest; |
173 | } |
174 | my $K; |
175 | for my $k (@keys) { |
176 | my $tmp; |
177 | $K = $$hash{$k}, next if $k eq 'Kids'; |
178 | my $sp = ' ' x ($longest - length($k)); |
179 | if (ref $$hash{$k}) { |
180 | $tmp = xdoitem($indent+1,"kv",$$hash{$k}); |
181 | $tmp =~ s!^ *<kv>\n *</kv>!$in <kv/>!; |
182 | } |
183 | else { |
184 | $tmp = xdoitem($indent+1,"kv",$$hash{$k}); |
185 | } |
186 | $k =~ s/([\t\n'"<>&])/$xmlrepl{$1}/g; |
187 | $tmp =~ s/<kv/<kv k='$k'$sp/ or |
188 | $tmp =~ s/^(.*)$/$in <kv k='$k'>\n$in $1$in <\/kv>\n/s; |
189 | $result .= $tmp; |
190 | } |
191 | if ($K and @$K) { |
192 | $result .= xdolist($indent, undef, @$K); |
193 | } |
194 | $result .= "$in</$tag>\n"; |
195 | } |
196 | |
197 | sub xdoitem { |
198 | my $indent = shift; |
199 | my $tag = shift; |
200 | my $item = shift; |
201 | my $in = ' ' x ($indent * 2); |
202 | my $r = ref $item; |
203 | if (not $r) { |
204 | $item =~ s/([\t\n'"<>&])/$xmlrepl{$1}/g; |
205 | return "$in<$tag>$item</$tag>\n"; |
206 | } |
207 | (my $newtag = $r) =~ s/::/:/g; |
208 | my $t = "$item"; |
209 | if ($t =~ /\bARRAY\b/) { |
210 | if (@{$item}) { |
211 | return xdolist($indent,$tag,@{$item}); |
212 | } |
213 | else { |
214 | return "$in<$tag />\n"; |
215 | } |
216 | } |
217 | if ($t =~ /\bHASH\b/) { |
218 | return xdohash($indent,$tag,$item); |
219 | } |
220 | if ($r =~ /^p5::/) { |
221 | return "$in<$newtag>$$item</$newtag>\n"; |
222 | } |
223 | else { |
224 | return "$in<$newtag type='$r'/>\n"; |
225 | } |
226 | } |
227 | |
228 | my %trepl = ( |
229 | "'" => '\\\'', |
230 | '"' => '\\"', |
231 | "\n" => '\\n', |
232 | "\t" => '\\t', |
233 | ); |
234 | |
235 | sub t { |
236 | my $indent = 0; |
237 | if (@_ > 1) { |
238 | tdolist($indent,"LIST",@_); |
239 | } |
240 | else { |
241 | my $type = ref $_[0]; |
242 | if ($type) { |
243 | tdoitem($indent,$type,@_); |
244 | } |
245 | else { |
246 | tdoitem($indent,"ITEM",@_); |
247 | } |
248 | } |
249 | print STDERR "\n"; |
250 | } |
251 | |
252 | sub tdolist { |
253 | my $indent = shift; |
254 | my $tag = shift || "ARRAY"; |
255 | my $in = ' ' x ($indent * 2); |
256 | if (@_) { |
257 | print STDERR "[\n"; |
258 | for my $it (@_) { |
259 | my $itt = ref $it || "ITEM"; |
260 | print STDERR $in," "; |
261 | tdoitem($indent+1,$itt,$it); |
262 | print STDERR "\n"; |
263 | } |
264 | print STDERR "$in]"; |
265 | } |
266 | else { |
267 | print STDERR "[]"; |
268 | } |
269 | } |
270 | |
271 | sub tdohash { |
272 | my $indent = shift; |
273 | my $tag = shift; |
274 | my $hash = shift; |
275 | my $in = ' ' x ($indent * 2); |
276 | |
277 | print STDERR "$tag => {\n"; |
278 | |
279 | my @keys = sort keys %$hash; |
280 | my $longest = 0; |
281 | for my $k (@keys) { |
282 | $longest = length($k) if length($k) > $longest; |
283 | } |
284 | my $K; |
285 | for my $k (@keys) { |
286 | my $sp = ' ' x ($longest - length($k)); |
287 | print STDERR "$in $k$sp => "; |
288 | tdoitem($indent+1,"",$$hash{$k}); |
289 | if ($k eq 'Kids') { |
290 | print STDERR " # Kids"; |
291 | } |
292 | print STDERR "\n"; |
293 | } |
294 | print STDERR "$in} # $tag"; |
295 | } |
296 | |
297 | sub tdoitem { |
298 | my $indent = shift; |
299 | my $tag = shift; |
300 | my $item = shift; |
301 | if (not defined $item) { |
302 | print STDERR "UNDEF"; |
303 | return; |
304 | } |
305 | # my $in = ' ' x ($indent * 2); |
306 | my $r = ref $item; |
307 | if (not $r) { |
308 | $item =~ s/([\t\n"])/$trepl{$1}/g; |
309 | print STDERR "\"$item\""; |
310 | return; |
311 | } |
312 | my $t = "$item"; |
313 | if ($r =~ /^p5::/) { |
314 | my $str = $$item{uni}; |
315 | my $enc = $enc[$$item{enc}] . ' '; |
316 | $enc =~ s/iso-8859-1 //; |
317 | $str =~ s/([\t\n"])/$trepl{$1}/g; |
318 | print STDERR "$r $enc\"$str\""; |
319 | } |
320 | elsif ($t =~ /\bARRAY\b/) { |
321 | tdolist($indent,$tag,@{$item}); |
322 | } |
323 | elsif ($t =~ /\bHASH\b/) { |
324 | tdohash($indent,$tag,$item); |
325 | } |
326 | else { |
327 | print STDERR "$r type='$r'"; |
328 | } |
329 | } |
330 | } |
331 | |
332 | sub encnum { |
333 | my $encname = shift; |
334 | if (not exists $enc{$encname}) { |
335 | push @enc, $encname; |
336 | return $enc{$encname} = $#enc; |
337 | } |
338 | return $enc{$encname}; |
339 | } |
340 | |
341 | use PLXML; |
342 | |
343 | use XML::Parser; |
344 | my $p1 = new XML::Parser(Style => 'Objects', Pkg => 'PLXML'); |
345 | $p1->setHandlers('Char' => sub { warn "Chars $_[1]" if $_[1] =~ /\S/; }); |
346 | |
347 | # First slurp XML into tree of objects. |
348 | |
349 | my $root = $p1->parsefile($filename); |
350 | |
351 | # Now turn XML tree into something more like an AST. |
352 | |
353 | PLXML::prepreproc($root->[0]); |
354 | my $ast = P5AST->new('Kids' => [$root->[0]->ast()]); |
355 | #::t($ast); |
356 | |
357 | if ($YAML) { |
358 | require YAML::Syck; |
359 | print YAML::Syck::Dump($ast); |
360 | exit; |
361 | } |
362 | |
363 | # Finally, walk AST to produce new program. |
364 | |
365 | my $text = $ast->p5text(); # returns encoded, must output raw |
366 | print $text; |
367 | |
368 | package p5::text; |
369 | |
370 | use Encode; |
371 | |
372 | sub new { |
373 | my $class = shift; |
374 | my $text = shift; |
375 | die "Too many args to new" if @_; |
376 | die "Attempt to bless non-text $text" if ref $text; |
377 | return bless( { uni => $text, |
378 | enc => $::curenc, |
379 | }, $class); |
380 | } |
381 | |
382 | sub uni { my $self = shift; $$self{uni}; } # internal stuff all in utf8 |
383 | |
384 | sub enc { |
385 | my $self = shift; |
386 | my $enc = $enc[$$self{enc} || 0]; |
387 | return encode($enc, $$self{uni}); |
388 | } |
389 | |
390 | package p5::closequote; BEGIN { @p5::closequote::ISA = 'p5::punct'; } |
391 | package p5::closer; BEGIN { @p5::closer::ISA = 'p5::punct'; } |
392 | package p5::declarator; BEGIN { @p5::declarator::ISA = 'p5::token'; } |
393 | package p5::junk; BEGIN { @p5::junk::ISA = 'p5::text'; } |
394 | package p5::label; BEGIN { @p5::label::ISA = 'p5::token'; } |
395 | #package p5::name; BEGIN { @p5::name::ISA = 'p5::token'; } |
396 | package p5::opener; BEGIN { @p5::opener::ISA = 'p5::punct'; } |
397 | package p5::openquote; BEGIN { @p5::openquote::ISA = 'p5::punct'; } |
398 | package p5::operator; BEGIN { @p5::operator::ISA = 'p5::token'; } |
399 | package p5::punct; BEGIN { @p5::punct::ISA = 'p5::token'; } |
400 | package p5::remod; BEGIN { @p5::remod::ISA = 'p5::token'; } |
401 | package p5::sigil; BEGIN { @p5::sigil::ISA = 'p5::punct'; } |
402 | package p5::token; BEGIN { @p5::token::ISA = 'p5::text'; } |
403 | #package p5::version; BEGIN { @p5::version::ISA = 'p5::token'; } |
404 | |
405 | ################################################################ |
406 | # Routines to turn XML tree into an AST. Mostly this amounts to hoisting |
407 | # misplaced nodes and flattening various things into lists. |
408 | |
409 | package PLXML; |
410 | |
411 | sub AUTOLOAD { |
412 | ::x("AUTOLOAD $PLXML::AUTOLOAD", @_); |
413 | return "[[[ $PLXML::AUTOLOAD ]]]"; |
414 | } |
415 | |
416 | sub prepreproc { |
417 | my $self = shift; |
418 | my $kids = $$self{Kids}; |
419 | $self->{mp} = {}; |
420 | if (defined $kids) { |
421 | my $i; |
422 | for ($i = 0; $i < @$kids; $i++) { |
423 | if (ref $kids->[$i] eq "PLXML::madprops") { |
424 | $self->{mp} = splice(@$kids, $i, 1)->hash($self,@_); |
425 | $i--; |
426 | next; |
427 | } |
428 | else { |
429 | prepreproc($kids->[$i], $self, @_); |
430 | } |
431 | } |
432 | } |
433 | } |
434 | |
435 | sub preproc { |
436 | my $self = shift; |
437 | if (ref $self eq 'PLXML::op_null' and $$self{was}) { |
438 | return "PLXML::op_$$self{was}"->key(); |
439 | } |
440 | else { |
441 | return $self->key(); |
442 | } |
443 | } |
444 | |
445 | sub newtype { |
446 | my $self = shift; |
447 | my $t = ref $self || $self; |
448 | $t = "PLXML::op_$$self{was}" if $t eq 'PLXML::op_null' and $$self{was}; |
449 | $t =~ s/PLXML/P5AST/ or die "Bad type: $t"; |
450 | return $t; |
451 | } |
452 | |
453 | sub madness { |
454 | my $self = shift; |
455 | my @keys = split(' ', shift); |
456 | my @vals = (); |
457 | for my $key (@keys) { |
458 | my $madprop = $self->{mp}{$key}; |
459 | next unless defined $madprop; |
460 | if (ref $madprop eq 'PLXML::mad_op') { |
461 | if ($key eq 'b') { |
462 | push @vals, $madprop->blockast($self, @_); |
463 | } |
464 | else { |
465 | push @vals, $madprop->ast($self, @_); |
466 | } |
467 | next; |
468 | } |
469 | my $white; |
470 | if ($white = $self->{mp}{"_$key"}) { |
471 | push @vals, p5::junk->new($white); |
472 | } |
473 | my $type = $madtype{$key} || "p5::token"; |
474 | push @vals, $type->new($madprop); |
475 | if ($white = $self->{mp}{"#$key"}) { |
476 | push @vals, p5::junk->new($white); |
477 | } |
478 | } |
479 | @vals; |
480 | } |
481 | |
482 | sub blockast { |
483 | my $self = shift; |
484 | $self->ast(@_); |
485 | } |
486 | |
487 | sub ast { |
488 | my $self = shift; |
489 | |
490 | my @newkids; |
491 | for my $kid (@{$$self{Kids}}) { |
492 | push @newkids, $kid->ast($self, @_); |
493 | } |
494 | return $self->newtype->new(Kids => [uc $self->key(), "(", @newkids, ")"]); |
495 | } |
496 | |
497 | sub op { |
498 | my $self = shift; |
499 | my $desc = $self->desc(); |
500 | if ($desc =~ /\((.*?)\)/) { |
501 | return $1; |
502 | } |
503 | else { |
504 | return " <<" . $self->key() . ">> "; |
505 | } |
506 | } |
507 | |
508 | sub mp { |
509 | my $self = shift; |
510 | return $self->{mp}; |
511 | } |
512 | |
513 | package PLXML::Characters; |
514 | |
515 | sub ast { die "oops" } |
516 | sub pair { die "oops" } |
517 | |
518 | package PLXML::madprops; |
519 | |
520 | sub ast { |
521 | die "oops madprops"; |
522 | } |
523 | |
524 | sub hash { |
525 | my $self = shift; |
526 | my @pairs; |
527 | my %hash = (); |
528 | my $firstthing = ''; |
529 | my $lastthing = ''; |
530 | |
531 | # We need to guarantee key uniqueness at this point. |
532 | for my $kid (@{$$self{Kids}}) { |
533 | my ($k,$v) = $kid->pair($self, @_); |
534 | $firstthing ||= $k; |
535 | if ($k =~ /^[_#]$/) { # rekey whitespace according to preceding entry |
536 | $k .= $lastthing; # (which is actually the token the whitespace is before) |
537 | } |
538 | else { |
539 | $k .= 'x' while exists $hash{$k}; |
540 | $lastthing = $k; |
541 | } |
542 | $hash{$k} = $v; |
543 | } |
544 | $hash{FIRST} = $firstthing; |
545 | $hash{LAST} = $lastthing; |
546 | return \%hash; |
547 | } |
548 | |
549 | package PLXML::mad_op; |
550 | |
551 | sub pair { |
552 | my $self = shift; |
553 | my $key = $$self{key}; |
554 | return $key,$self; |
555 | } |
556 | |
557 | sub ast { |
558 | my $self = shift; |
559 | $self->prepreproc(@_); |
560 | my @vals; |
561 | for my $kid (@{$$self{Kids}}) { |
562 | push @vals, $kid->ast($self, @_); |
563 | } |
564 | if (@vals == 1) { |
565 | return @vals; |
566 | } |
567 | else { |
568 | return P5AST::op_list->new(Kids => [@vals]); |
569 | } |
570 | } |
571 | |
572 | sub blockast { |
573 | my $self = shift; |
574 | $self->prepreproc(@_); |
575 | my @vals; |
576 | for my $kid (@{$$self{Kids}}) { |
577 | push @vals, $kid->blockast($self, @_); |
578 | } |
579 | if (@vals == 1) { |
580 | return @vals; |
581 | } |
582 | else { |
583 | return P5AST::op_lineseq->new(Kids => [@vals]); |
584 | } |
585 | } |
586 | |
587 | package PLXML::mad_pv; |
588 | |
589 | sub pair { |
590 | my $self = shift; |
591 | my $key = $$self{key}; |
592 | my $val = $$self{val}; |
593 | $val =~ s/STUPIDXML\(#x(\w+)\)/chr(hex $1)/eg; |
594 | return $key,$val; |
595 | } |
596 | |
597 | package PLXML::mad_sv; |
598 | |
599 | sub pair { |
600 | my $self = shift; |
601 | my $key = $$self{key}; |
602 | my $val = $$self{val}; |
603 | $val =~ s/STUPIDXML\(#x(\w+)\)/chr(hex $1)/eg; |
604 | return $key,$val; |
605 | } |
606 | |
607 | package PLXML::baseop; |
608 | |
609 | sub ast { |
610 | my $self = shift; |
611 | |
612 | my @retval; |
613 | my @newkids; |
614 | push @retval, $self->madness('M ox'); |
615 | for my $kid (@{$$self{Kids}}) { |
616 | push @newkids, $kid->ast($self, @_); |
617 | } |
618 | if (@newkids) { |
619 | push @retval, uc $self->key(), "(", @newkids , ")"; |
620 | } |
621 | else { |
622 | push @retval, $self->madness('o ( )'); |
623 | } |
624 | return $self->newtype->new(Kids => [@retval]); |
625 | } |
626 | |
627 | package PLXML::baseop_unop; |
628 | |
629 | sub ast { |
630 | my $self = shift; |
631 | my @newkids = $self->madness('d M ox o ('); |
632 | |
633 | if (exists $$self{Kids}) { |
634 | my $arg = $$self{Kids}[0]; |
635 | push @newkids, $arg->ast($self, @_) if defined $arg; |
636 | } |
637 | push @newkids, $self->madness(')'); |
638 | |
639 | return $self->newtype()->new(Kids => [@newkids]); |
640 | } |
641 | |
642 | package PLXML::binop; |
643 | |
644 | sub ast { |
645 | my $self = shift; |
646 | my @newkids; |
647 | |
648 | push @newkids, $self->madness('M ox'); |
649 | |
650 | my $left = $$self{Kids}[0]; |
651 | push @newkids, $left->ast($self, @_); |
652 | |
653 | push @newkids, $self->madness('o'); |
654 | |
655 | my $right = $$self{Kids}[1]; |
656 | if (defined $right) { |
657 | push @newkids, $right->ast($self, @_); |
658 | } |
659 | |
660 | return $self->newtype->new(Kids => [@newkids]); |
661 | } |
662 | |
663 | package PLXML::cop; |
664 | |
665 | package PLXML::filestatop; |
666 | |
667 | sub ast { |
668 | my $self = shift; |
669 | |
670 | my @newkids = $self->madness('o ('); |
671 | |
672 | if (@{$$self{Kids}}) { |
673 | for my $kid (@{$$self{Kids}}) { |
674 | push @newkids, $kid->ast($self, @_); |
675 | } |
676 | } |
677 | if ($$self{mp}{O}) { |
678 | push @newkids, $self->madness('O'); |
679 | } |
680 | push @newkids, $self->madness(')'); |
681 | |
682 | return $self->newtype->new(Kids => [@newkids]); |
683 | } |
684 | |
685 | package PLXML::listop; |
686 | |
687 | sub ast { |
688 | my $self = shift; |
689 | |
690 | my @retval; |
691 | my @before; |
692 | my @after; |
693 | if (@before = $self->madness('M')) { |
694 | push @before, $self->madness('ox'); # o is the function name |
695 | } |
696 | if (@retval = $self->madness('X')) { |
697 | push @before, $self->madness('o x'); |
698 | return P5AST::listop->new(Kids => [@before,@retval]); |
699 | } |
700 | |
701 | push @retval, $self->madness('o ('); |
702 | |
703 | my @newkids; |
704 | for my $kid (@{$$self{Kids}}) { |
705 | next if ref $kid eq 'PLXML::op_pushmark'; |
706 | next if ref $kid eq 'PLXML::op_null' and |
707 | defined $$kid{was} and $$kid{was} eq 'pushmark'; |
708 | push @newkids, $kid->ast($self, @_); |
709 | } |
710 | |
711 | my $x = ""; |
712 | |
713 | if ($$self{mp}{S}) { |
714 | push @retval, $self->madness('S'); |
715 | } |
716 | push @retval, @newkids; |
717 | |
718 | push @retval, $self->madness(')'); |
719 | return $self->newtype->new(Kids => [@before,@retval,@after]); |
720 | } |
721 | |
722 | package PLXML::logop; |
723 | |
724 | sub ast { |
725 | my $self = shift; |
726 | |
727 | my @newkids; |
728 | push @newkids, $self->madness('o ('); |
729 | for my $kid (@{$$self{Kids}}) { |
730 | push @newkids, $kid->ast($self, @_); |
731 | } |
732 | push @newkids, $self->madness(')'); |
733 | return $self->newtype->new(Kids => [@newkids]); |
734 | } |
735 | |
736 | package PLXML::loop; |
737 | |
738 | package PLXML::loopexop; |
739 | |
740 | sub ast { |
741 | my $self = shift; |
742 | my @newkids = $self->madness('o ('); |
743 | |
744 | if ($$self{mp}{L} or not $$self{flags} =~ /\bSPECIAL\b/) { |
745 | my @label = $self->madness('L'); |
746 | if (@label) { |
747 | push @newkids, @label; |
748 | } |
749 | else { |
750 | my $arg = $$self{Kids}[0]; |
751 | push @newkids, $arg->ast($self, @_) if defined $arg; |
752 | } |
753 | } |
754 | push @newkids, $self->madness(')'); |
755 | |
756 | return $self->newtype->new(Kids => [@newkids]); |
757 | } |
758 | |
759 | |
760 | package PLXML::padop; |
761 | |
762 | package PLXML::padop_svop; |
763 | |
764 | package PLXML::pmop; |
765 | |
766 | sub ast { |
767 | my $self = shift; |
768 | |
769 | return P5AST::pmop->new(Kids => []) unless exists $$self{flags}; |
770 | |
771 | my $bits = $self->fetchbits($$self{flags},@_); |
772 | |
773 | my @newkids; |
774 | if ($bits->{binding}) { |
775 | push @newkids, $bits->{binding}; |
776 | push @newkids, $self->madness('~'); |
777 | } |
778 | if (exists $bits->{regcomp} and $bits->{regcomp}) { |
779 | my @front = $self->madness('q'); |
780 | my @back = $self->madness('Q'); |
781 | push @newkids, @front, $bits->{regcomp}, @back, |
782 | $self->madness('m'); |
783 | } |
784 | elsif ($$self{mp}{q}) { |
785 | push @newkids, $self->madness('q = Q m'); |
786 | } |
787 | elsif ($$self{mp}{X}) { |
788 | push @newkids, $self->madness('X m'); |
789 | } |
790 | else { |
791 | push @newkids, $self->madness('e m'); |
792 | } |
793 | |
794 | return $self->newtype->new(Kids => [@newkids]); |
795 | } |
796 | |
797 | sub innerpmop { |
798 | my $pmop = shift; |
799 | my $bits = shift; |
800 | for my $key (grep {!/^Kids/} keys %$pmop) { |
801 | $bits->{$key} = $pmop->{$key}; |
802 | } |
803 | |
804 | # Have to delete all the fake evals of the repl. This is a pain... |
805 | if (@{$$pmop{Kids}}) { |
806 | my $really = $$pmop{Kids}[0]{Kids}[0]; |
807 | if (ref $really eq 'PLXML::op_substcont') { |
808 | $really = $$really{Kids}[0]; |
809 | } |
810 | while ((ref $really) =~ /^PLXML::op_.*(null|entereval)/) { |
811 | if (exists $$really{was}) { |
812 | $bits->{repl} = $really->ast(@_); |
813 | return; |
814 | } |
815 | $really = $$really{Kids}[0]; |
816 | } |
817 | if (ref $really eq 'PLXML::op_scope' and |
818 | @{$$really{Kids}} == 1 and |
819 | ref $$really{Kids}[0] eq 'PLXML::op_null' and |
820 | not @{$$really{Kids}[0]{Kids}}) |
821 | { |
822 | $bits->{repl} = ''; |
823 | return; |
824 | } |
825 | if (ref $really eq 'PLXML::op_leave' and |
826 | @{$$really{Kids}} == 2 and |
827 | ref $$really{Kids}[1] eq 'PLXML::op_null' and |
828 | not @{$$really{Kids}[1]{Kids}}) |
829 | { |
830 | $bits->{repl} = ''; |
831 | return; |
832 | } |
833 | if ((ref $really) =~ /^PLXML::op_(scope|leave)/) { |
834 | # should be at inner do {...} here, so skip that fakery too |
835 | $bits->{repl} = $really->newtype->new(Kids => [$really->PLXML::op_lineseq::lineseq(@_)]); |
836 | # but retrieve the whitespace before fake '}' |
837 | if ($$really{mp}{'_}'}) { |
838 | push(@{$bits->{repl}->{Kids}}, p5::junk->new($$really{mp}{'_}'})); |
839 | } |
840 | } |
841 | else { # something else, padsv probably |
842 | $bits->{repl} = $really->ast(@_); |
843 | } |
844 | } |
845 | } |
846 | |
847 | sub fetchbits { |
848 | my $self = shift; |
849 | my $flags = shift || ''; |
850 | my %bits = %$self; |
851 | my @kids = @{$$self{Kids}}; |
852 | if (@kids) { |
853 | delete $bits{Kids}; |
854 | my $arg = shift @kids; |
855 | innerpmop($arg,\%bits, $self, @_); |
856 | if ($flags =~ /STACKED/) { |
857 | $arg = shift @kids; |
858 | $bits{binding} = $arg->ast($self, @_); |
859 | } |
860 | if ($bits{when} ne "COMP" and @kids) { |
861 | $arg = pop @kids; |
862 | $bits{regcomp} = $arg->ast($self, @_); |
863 | } |
864 | if (not exists $bits{repl} and @kids) { |
865 | $arg = shift @kids; |
866 | $bits{repl} = $arg->ast($self, @_); |
867 | } |
868 | } |
869 | return \%bits; |
870 | } |
871 | |
872 | package PLXML::pvop_svop; |
873 | |
874 | package PLXML::unop; |
875 | |
876 | sub ast { |
877 | my $self = shift; |
878 | my @newkids = $self->madness('o ('); |
879 | |
880 | if (exists $$self{Kids}) { |
881 | my $arg = $$self{Kids}[0]; |
882 | push @newkids, $arg->ast($self, @_) if defined $arg; |
883 | } |
884 | push @newkids, $self->madness(')'); |
885 | |
886 | return $self->newtype->new(Kids => [@newkids]); |
887 | } |
888 | |
889 | package PLXML; |
890 | package PLXML::Characters; |
891 | package PLXML::madprops; |
892 | package PLXML::mad_op; |
893 | package PLXML::mad_pv; |
894 | package PLXML::baseop; |
895 | package PLXML::baseop_unop; |
896 | package PLXML::binop; |
897 | package PLXML::cop; |
898 | package PLXML::filestatop; |
899 | package PLXML::listop; |
900 | package PLXML::logop; |
901 | package PLXML::loop; |
902 | package PLXML::loopexop; |
903 | package PLXML::padop; |
904 | package PLXML::padop_svop; |
905 | package PLXML::pmop; |
906 | package PLXML::pvop_svop; |
907 | package PLXML::unop; |
908 | package PLXML::op_null; |
909 | |
910 | # Null nodes typed by first madprop. |
911 | |
912 | my %astmad; |
913 | |
914 | BEGIN { |
915 | %astmad = ( |
916 | 'p' => sub { # peg for #! line, etc. |
917 | my $self = shift; |
918 | my @newkids; |
919 | push @newkids, $self->madness('p px'); |
920 | $::curstate = 0; |
921 | return P5AST::peg->new(Kids => [@newkids]) |
922 | }, |
923 | '(' => sub { # extra parens around the whole thing |
924 | my $self = shift; |
925 | my @newkids; |
926 | push @newkids, $self->madness('dx d o ('); |
927 | for my $kid (@{$$self{Kids}}) { |
928 | push @newkids, $kid->ast($self, @_); |
929 | } |
930 | push @newkids, $self->madness(')'); |
931 | return P5AST::parens->new(Kids => [@newkids]) |
932 | }, |
933 | '~' => sub { # binding operator |
934 | my $self = shift; |
935 | my @newkids; |
936 | push @newkids, $$self{Kids}[0]->ast($self,@_); |
937 | push @newkids, $self->madness('~'); |
938 | push @newkids, $$self{Kids}[1]->ast($self,@_); |
939 | return P5AST::bindop->new(Kids => [@newkids]) |
940 | }, |
941 | ';' => sub { # null statements/blocks |
942 | my $self = shift; |
943 | my @newkids; |
944 | push @newkids, $self->madness('{ ; }'); |
945 | $::curstate = 0; |
946 | return P5AST::nothing->new(Kids => [@newkids]) |
947 | }, |
948 | 'I' => sub { # if or unless statement keyword |
949 | my $self = shift; |
950 | my @newkids; |
951 | push @newkids, $self->madness('L I ('); |
952 | my @subkids; |
953 | for my $kid (@{$$self{Kids}}) { |
954 | push @subkids, $kid->ast($self, @_); |
955 | } |
956 | die "oops in op_null->new" unless @subkids == 1; |
957 | my $newself = $subkids[0]; |
958 | @subkids = @{$$newself{Kids}}; |
959 | |
960 | unshift @{$subkids[0]{Kids}}, @newkids; |
961 | push @{$subkids[0]{Kids}}, $self->madness(')'); |
962 | return bless($newself, 'P5AST::condstate'); |
963 | }, |
964 | 'U' => sub { # use |
965 | my $self = shift; |
966 | my @newkids; |
967 | my @module = $self->madness('U'); |
968 | my @args = $self->madness('A'); |
969 | my $module = $module[-1]{Kids}[-1]; |
970 | if ($module->uni eq 'bytes') { |
971 | $::curenc = ::encnum('iso-8859-1'); |
972 | } |
973 | elsif ($module->uni eq 'utf8') { |
974 | if ($$self{mp}{o} eq 'no') { |
975 | $::curenc = ::encnum('iso-8859-1'); |
976 | } |
977 | else { |
978 | $::curenc = ::encnum('utf-8'); |
979 | } |
980 | } |
981 | elsif ($module->uni eq 'encoding') { |
982 | if ($$self{mp}{o} eq 'no') { |
983 | $::curenc = ::encnum('iso-8859-1'); |
984 | } |
985 | else { |
986 | $::curenc = ::encnum(eval $args[0]->p5text); # XXX bletch |
987 | } |
988 | } |
989 | # (Surrounding {} ends up here if use is only thing in block.) |
990 | push @newkids, $self->madness('{ o'); |
991 | push @newkids, @module; |
992 | push @newkids, $self->madness('V'); |
993 | push @newkids, @args; |
994 | push @newkids, $self->madness('S ; }'); |
995 | $::curstate = 0; |
996 | return P5AST::use->new(Kids => [@newkids]) |
997 | }, |
998 | '?' => sub { # ternary |
999 | my $self = shift; |
1000 | my @newkids; |
1001 | my @subkids; |
1002 | my @condkids = @{$$self{Kids}[0]{Kids}}; |
1003 | |
1004 | push @newkids, $condkids[0]->ast($self,@_), $self->madness('?'); |
1005 | push @newkids, $condkids[1]->ast($self,@_), $self->madness(':'); |
1006 | push @newkids, $condkids[2]->ast($self,@_); |
1007 | return P5AST::ternary->new(Kids => [@newkids]) |
1008 | }, |
1009 | '&' => sub { # subroutine |
1010 | my $self = shift; |
1011 | my @newkids; |
1012 | push @newkids, $self->madness('d n s a : { & } ;'); |
1013 | $::curstate = 0; |
1014 | return P5AST::sub->new(Kids => [@newkids]) |
1015 | }, |
1016 | 'i' => sub { # modifier if |
1017 | my $self = shift; |
1018 | my @newkids; |
1019 | push @newkids, $self->madness('i'); |
1020 | my $cond = $$self{Kids}[0]; |
1021 | my @subkids; |
1022 | for my $kid (@{$$cond{Kids}}) { |
1023 | push @subkids, $kid->ast($self, @_); |
1024 | } |
1025 | push @newkids, shift @subkids; |
1026 | unshift @newkids, @subkids; |
1027 | return P5AST::condmod->new(Kids => [@newkids]) |
1028 | }, |
1029 | 'P' => sub { # package declaration |
1030 | my $self = shift; |
1031 | my @newkids; |
1032 | push @newkids, $self->madness('o'); |
1033 | push @newkids, $self->madness('P'); |
1034 | push @newkids, $self->madness(';'); |
1035 | $::curstate = 0; |
1036 | return P5AST::package->new(Kids => [@newkids]) |
1037 | }, |
1038 | 'F' => sub { # format |
1039 | my $self = shift; |
1040 | my @newkids = $self->madness('F n b'); |
1041 | $::curstate = 0; |
1042 | return P5AST::format->new(Kids => [@newkids]) |
1043 | }, |
1044 | 'x' => sub { # qw literal |
1045 | my $self = shift; |
1046 | return P5AST::qwliteral->new(Kids => [$self->madness('x')]) |
1047 | }, |
1048 | 'q' => sub { # random quote |
1049 | my $self = shift; |
1050 | return P5AST::quote->new(Kids => [$self->madness('q = Q')]) |
1051 | }, |
1052 | 'X' => sub { # random literal |
1053 | my $self = shift; |
1054 | return P5AST::token->new(Kids => [$self->madness('X')]) |
1055 | }, |
1056 | ':' => sub { # attr list |
1057 | my $self = shift; |
1058 | return P5AST::attrlist->new(Kids => [$self->madness(':')]) |
1059 | }, |
1060 | ',' => sub { # "unary ," so to speak |
1061 | my $self = shift; |
1062 | my @newkids; |
1063 | push @newkids, $self->madness(','); |
1064 | push @newkids, $$self{Kids}[0]->ast($self,@_); |
1065 | return P5AST::listelem->new(Kids => [@newkids]) |
1066 | }, |
1067 | 'C' => sub { # constant conditional |
1068 | my $self = shift; |
1069 | my @newkids; |
1070 | push @newkids, $$self{Kids}[0]->ast($self,@_); |
1071 | my @folded = $self->madness('C'); |
1072 | if (@folded) { |
1073 | my @t = $self->madness('t'); |
1074 | my @e = $self->madness('e'); |
1075 | if (@e) { |
1076 | return P5AST::op_cond_expr->new( |
1077 | Kids => [ |
1078 | $self->madness('I ('), |
1079 | @folded, |
1080 | $self->madness(') ?'), |
1081 | P5AST::op_cond_expr->new(Kids => [@newkids]), |
1082 | $self->madness(':'), |
1083 | @e |
1084 | ] ); |
1085 | } |
1086 | else { |
1087 | return P5AST::op_cond_expr->new( |
1088 | Kids => [ |
1089 | $self->madness('I ('), |
1090 | @folded, |
1091 | $self->madness(') ?'), |
1092 | @t, |
1093 | $self->madness(':'), |
1094 | @newkids |
1095 | ] ); |
1096 | } |
1097 | } |
1098 | return P5AST::op_null->new(Kids => [@newkids]) |
1099 | }, |
1100 | '+' => sub { # unary + |
1101 | my $self = shift; |
1102 | my @newkids; |
1103 | push @newkids, $self->madness('+'); |
1104 | push @newkids, $$self{Kids}[0]->ast($self,@_); |
1105 | return P5AST::preplus->new(Kids => [@newkids]) |
1106 | }, |
1107 | 'D' => sub { # do block |
1108 | my $self = shift; |
1109 | my @newkids; |
1110 | push @newkids, $self->madness('D'); |
1111 | push @newkids, $$self{Kids}[0]->ast($self,@_); |
1112 | return P5AST::doblock->new(Kids => [@newkids]) |
1113 | }, |
1114 | '3' => sub { # C-style for loop |
1115 | my $self = shift; |
1116 | my @newkids; |
1117 | |
1118 | # What a mess! |
1119 | my (undef, $init, $lineseq) = @{$$self{Kids}[0]{Kids}}; |
1120 | my (undef, $leaveloop) = @{$$lineseq{Kids}}; |
1121 | my (undef, $null) = @{$$leaveloop{Kids}}; |
1122 | my $and; |
1123 | my $cond; |
1124 | my $lineseq2; |
1125 | my $block; |
1126 | my $cont; |
1127 | if (exists $$null{was} and $$null{was} eq 'and') { |
1128 | ($lineseq2) = @{$$null{Kids}}; |
1129 | } |
1130 | else { |
1131 | ($and) = @{$$null{Kids}}; |
1132 | ($cond, $lineseq2) = @{$$and{Kids}}; |
1133 | } |
1134 | if ($$lineseq2{mp}{'{'}) { |
1135 | $block = $lineseq2; |
1136 | } |
1137 | else { |
1138 | ($block, $cont) = @{$$lineseq2{Kids}}; |
1139 | } |
1140 | |
1141 | push @newkids, $self->madness('L 3 ('); |
1142 | push @newkids, $init->ast($self,@_); |
1143 | push @newkids, $self->madness('1'); |
1144 | if (defined $cond) { |
1145 | push @newkids, $cond->ast($self,@_); |
1146 | } |
1147 | elsif (defined $null) { |
1148 | push @newkids, $null->madness('1'); |
1149 | } |
1150 | push @newkids, $self->madness('2'); |
1151 | if (defined $cont) { |
1152 | push @newkids, $cont->ast($self,@_); |
1153 | } |
1154 | push @newkids, $self->madness(')'); |
1155 | push @newkids, $block->blockast($self,@_); |
1156 | $::curstate = 0; |
1157 | return P5AST::cfor->new(Kids => [@newkids]) |
1158 | }, |
1159 | 'o' => sub { # random useless operator |
1160 | my $self = shift; |
1161 | my @newkids; |
1162 | push @newkids, $self->madness('o'); |
1163 | my $kind = $newkids[-1] || ''; |
1164 | $kind = $kind->uni if ref $kind; |
1165 | my @subkids; |
1166 | for my $kid (@{$$self{Kids}}) { |
1167 | push @subkids, $kid->ast($self, @_); |
1168 | } |
1169 | if ($kind eq '=') { # stealth readline |
1170 | unshift(@newkids, shift(@subkids)); |
1171 | push(@newkids, @subkids); |
1172 | return P5AST::op_aassign->new(Kids => [@newkids]) |
1173 | } |
1174 | else { |
1175 | my $newself = $subkids[0]; |
1176 | splice(@{$newself->{Kids}}, 1, 0, |
1177 | $self->madness('ox ('), |
1178 | @newkids, |
1179 | $self->madness(')') |
1180 | ); |
1181 | return $newself; |
1182 | } |
1183 | }, |
1184 | ); |
1185 | } |
1186 | |
1187 | # Null nodes are an untyped mess inside Perl. Instead of fixing it there, |
1188 | # we derive an effective type either from the "was" field or the first madprop. |
1189 | # (The individual routines select the actual new type.) |
1190 | |
1191 | sub ast { |
1192 | my $self = shift; |
1193 | my $was = $$self{was} || 'peg'; |
1194 | my $mad = $$self{mp}{FIRST} || "unknown"; |
1195 | |
1196 | # First try for a "was". |
1197 | my $meth = "PLXML::op_${was}::astnull"; |
1198 | if (exists &{$meth}) { |
1199 | return $self->$meth(@_); |
1200 | } |
1201 | |
1202 | # Look at first madprop. |
1203 | if (exists $astmad{$mad}) { |
1204 | return $astmad{$mad}->($self); |
1205 | } |
1206 | warn "No mad $mad" unless $mad eq 'unknown'; |
1207 | |
1208 | # Do something generic. |
1209 | my @newkids; |
1210 | for my $kid (@{$$self{Kids}}) { |
1211 | push @newkids, $kid->ast($self, @_); |
1212 | } |
1213 | return $self->newtype->new(Kids => [@newkids]); |
1214 | } |
1215 | |
1216 | sub blockast { |
1217 | my $self = shift; |
1218 | local $::curstate; |
1219 | local $::curenc = $::curenc; |
1220 | return $self->madness('{ ; }'); |
1221 | } |
1222 | |
1223 | package PLXML::op_stub; |
1224 | |
1225 | sub ast { |
1226 | my $self = shift; |
1227 | return $self->newtype->new(Kids => [$self->madness(', x ( ) q = Q')]); |
1228 | } |
1229 | |
1230 | package PLXML::op_scalar; |
1231 | |
1232 | sub ast { |
1233 | my $self = shift; |
1234 | |
1235 | my @pre = $self->madness('o q'); |
1236 | my $op = pop @pre; |
1237 | if ($op->uni =~ /^<</) { |
1238 | my @newkids; |
1239 | my $opstub = bless { start => $op }, 'P5AST::heredoc'; |
1240 | push @newkids, $opstub; |
1241 | push @newkids, $self->madness('('); |
1242 | |
1243 | my @kids = @{$$self{Kids}}; |
1244 | |
1245 | my @divert; |
1246 | for my $kid (@kids) { |
1247 | next if ref $kid eq 'PLXML::op_pushmark'; |
1248 | next if ref $kid eq 'PLXML::op_null' and |
1249 | defined $$kid{was} and $$kid{was} eq 'pushmark'; |
1250 | push @divert, $kid->ast($self, @_); |
1251 | } |
1252 | $opstub->{doc} = P5AST::op_list->new(Kids => [@divert]); |
1253 | $opstub->{end} = ($self->madness('Q'))[-1]; |
1254 | |
1255 | push @newkids, $self->madness(')'); |
1256 | |
1257 | return $self->newtype->new(Kids => [@pre,@newkids]); |
1258 | } |
1259 | return $self->PLXML::baseop_unop::ast(); |
1260 | } |
1261 | |
1262 | package PLXML::op_pushmark; |
1263 | |
1264 | sub ast { () } |
1265 | |
1266 | package PLXML::op_wantarray; |
1267 | package PLXML::op_const; |
1268 | |
1269 | sub astnull { |
1270 | my $self = shift; |
1271 | my @newkids; |
1272 | return unless $$self{mp}; |
1273 | push @newkids, $self->madness('q = Q X : f O ( )'); |
1274 | return P5AST::op_const->new(Kids => [@newkids]); |
1275 | } |
1276 | |
1277 | sub ast { |
1278 | my $self = shift; |
1279 | return unless %{$$self{mp}}; |
1280 | |
1281 | my @before; |
1282 | |
1283 | my $const; |
1284 | my @args = $self->madness('f'); |
1285 | if (@args) { |
1286 | } |
1287 | elsif (exists $self->{mp}{q}) { |
1288 | push @args, $self->madness('d q'); |
1289 | if ($args[-1]->uni =~ /^<</) { |
1290 | my $opstub = bless { start => pop(@args) }, 'P5AST::heredoc'; |
1291 | $opstub->{doc} = P5AST::op_const->new(Kids => [$self->madness('=')]); |
1292 | $opstub->{end} = ($self->madness('Q'))[-1]; |
1293 | push @args, $opstub; |
1294 | } |
1295 | else { |
1296 | push @args, $self->madness('= Q'); |
1297 | } |
1298 | } |
1299 | elsif (exists $self->{mp}{X}) { |
1300 | push @before, $self->madness('d'); # was local $[ probably |
1301 | if (not $$self{mp}{O}) { |
1302 | push @before, $self->madness('o'); # was unary |
1303 | } |
1304 | my @X = $self->madness(': X'); |
1305 | if (exists $$self{private} and $$self{private} =~ /BARE/) { |
1306 | return $self->newtype->new(Kids => [@X]); |
1307 | } |
1308 | my $X = pop @X; |
1309 | push @before, @X; |
1310 | @args = ( |
1311 | $self->madness('x'), |
1312 | $X); |
1313 | if ($$self{mp}{O}) { |
1314 | push @args, $self->madness('o O'); |
1315 | } |
1316 | } |
1317 | elsif (exists $self->{mp}{O}) { |
1318 | push @args, $self->madness('O'); |
1319 | } |
1320 | elsif ($$self{private} =~ /\bBARE\b/) { |
1321 | @args = ($$self{PV}); |
1322 | } |
1323 | elsif (exists $$self{mp}{o}) { |
1324 | @args = $self->madness('o'); |
1325 | } |
1326 | elsif (exists $$self{PV}) { |
1327 | @args = ('"', $$self{PV}, '"'); |
1328 | } |
1329 | elsif (exists $$self{NV}) { |
1330 | @args = $$self{NV}; |
1331 | } |
1332 | elsif (exists $$self{IV}) { |
1333 | @args = $$self{IV}; |
1334 | } |
1335 | else { |
1336 | @args = $self->SUPER::text(@_); |
1337 | } |
1338 | return $self->newtype->new(Kids => [@before, @args]); |
1339 | } |
1340 | |
1341 | |
1342 | package PLXML::op_gvsv; |
1343 | |
1344 | sub ast { |
1345 | my $self = shift; |
1346 | my @args; |
1347 | my @retval; |
1348 | for my $attr (qw/gv GV flags/) { |
1349 | if (exists $$self{$attr}) { |
1350 | push @args, $attr, $$self{$attr}; |
1351 | } |
1352 | } |
1353 | push @retval, @args; |
1354 | push @retval, $self->madness('X'); |
1355 | return $self->newtype->new(Kids => [@retval]); |
1356 | } |
1357 | |
1358 | package PLXML::op_gv; |
1359 | |
1360 | sub ast { |
1361 | my $self = shift; |
1362 | my @newkids; |
1363 | push @newkids, $self->madness('X K'); |
1364 | |
1365 | return $self->newtype->new(Kids => [@newkids]); |
1366 | } |
1367 | |
1368 | package PLXML::op_gelem; |
1369 | |
1370 | sub ast { |
1371 | my $self = shift; |
1372 | |
1373 | local $::curstate; # in case there are statements in subscript |
1374 | local $::curenc = $::curenc; |
1375 | my @newkids; |
1376 | push @newkids, $self->madness('dx d'); |
1377 | for my $kid (@{$$self{Kids}}) { |
1378 | push @newkids, $kid->ast($self, @_); |
1379 | } |
1380 | splice @newkids, -1, 0, $self->madness('o {'); |
1381 | push @newkids, $self->madness('}'); |
1382 | |
1383 | return $self->newtype->new(Kids => [@newkids]); |
1384 | } |
1385 | |
1386 | package PLXML::op_padsv; |
1387 | |
1388 | sub ast { |
1389 | my $self = shift; |
1390 | my @args; |
1391 | push @args, $self->madness('dx d ( $ )'); |
1392 | |
1393 | return $self->newtype->new(Kids => [@args]); |
1394 | } |
1395 | |
1396 | package PLXML::op_padav; |
1397 | |
1398 | sub astnull { ast(@_) } |
1399 | |
1400 | sub ast { |
1401 | my $self = shift; |
1402 | my @retval; |
1403 | push @retval, $self->madness('dx d ('); |
1404 | push @retval, $self->madness('$ @'); |
1405 | push @retval, $self->madness(') o O'); |
1406 | return $self->newtype->new(Kids => [@retval]); |
1407 | } |
1408 | |
1409 | package PLXML::op_padhv; |
1410 | |
1411 | sub astnull { ast(@_) } |
1412 | |
1413 | sub ast { |
1414 | my $self = shift; |
1415 | my @retval; |
1416 | push @retval, $self->madness('dx d ('); |
1417 | push @retval, $self->madness('$ @ %'); |
1418 | push @retval, $self->madness(') o O'); |
1419 | return $self->newtype->new(Kids => [@retval]); |
1420 | } |
1421 | |
1422 | package PLXML::op_padany; |
1423 | |
1424 | package PLXML::op_pushre; |
1425 | |
1426 | sub ast { |
1427 | my $self = shift; |
1428 | if ($$self{mp}{q}) { |
1429 | return $self->madness('q = Q m'); |
1430 | } |
1431 | if ($$self{mp}{X}) { |
1432 | return $self->madness('X m'); |
1433 | } |
1434 | if ($$self{mp}{e}) { |
1435 | return $self->madness('e m'); |
1436 | } |
1437 | return $$self{Kids}[1]->ast($self,@_), $self->madness('m'); |
1438 | } |
1439 | |
1440 | package PLXML::op_rv2gv; |
1441 | |
1442 | sub ast { |
1443 | my $self = shift; |
1444 | |
1445 | my @newkids; |
1446 | push @newkids, $self->madness('dx d ( * $'); |
1447 | push @newkids, $$self{Kids}[0]->ast(); |
1448 | push @newkids, $self->madness(')'); |
1449 | return $self->newtype->new(Kids => [@newkids]); |
1450 | } |
1451 | |
1452 | package PLXML::op_rv2sv; |
1453 | |
1454 | sub astnull { |
1455 | my $self = shift; |
1456 | return P5AST::op_rv2sv->new(Kids => [$self->madness('O o dx d ( $ ) : a')]); |
1457 | } |
1458 | |
1459 | sub ast { |
1460 | my $self = shift; |
1461 | |
1462 | my @newkids; |
1463 | push @newkids, $self->madness('dx d ( $'); |
1464 | if (ref $$self{Kids}[0] ne "PLXML::op_gv") { |
1465 | push @newkids, $$self{Kids}[0]->ast(); |
1466 | } |
1467 | push @newkids, $self->madness(') : a'); |
1468 | return $self->newtype->new(Kids => [@newkids]); |
1469 | } |
1470 | |
1471 | package PLXML::op_av2arylen; |
1472 | |
1473 | sub ast { |
1474 | my $self = shift; |
1475 | |
1476 | my @newkids; |
1477 | push @newkids, $$self{Kids}[0]->madness('l'); |
1478 | push @newkids, $$self{Kids}[0]->ast(); |
1479 | return $self->newtype->new(Kids => [@newkids]); |
1480 | } |
1481 | |
1482 | package PLXML::op_rv2cv; |
1483 | |
1484 | sub astnull { |
1485 | my $self = shift; |
1486 | my @newkids; |
1487 | push @newkids, $self->madness('X'); |
1488 | return @newkids if @newkids; |
1489 | if (exists $$self{mp}{'&'}) { |
1490 | push @newkids, $self->madness('&'); |
1491 | if (@{$$self{Kids}}) { |
1492 | push @newkids, $$self{Kids}[0]->ast(@_); |
1493 | } |
1494 | } |
1495 | else { |
1496 | push @newkids, $$self{Kids}[0]->ast(@_); |
1497 | } |
1498 | return P5AST::op_rv2cv->new(Kids => [@newkids]); |
1499 | } |
1500 | |
1501 | sub ast { |
1502 | my $self = shift; |
1503 | |
1504 | my @newkids; |
1505 | push @newkids, $self->madness('&'); |
1506 | if (@{$$self{Kids}}) { |
1507 | push @newkids, $$self{Kids}[0]->ast(); |
1508 | } |
1509 | return $self->newtype->new(Kids => [@newkids]); |
1510 | } |
1511 | |
1512 | package PLXML::op_anoncode; |
1513 | |
1514 | sub ast { |
1515 | my $self = shift; |
1516 | my $arg = $$self{Kids}[0]; |
1517 | local $::curstate; # hide nested statements in sub |
1518 | local $::curenc = $::curenc; |
1519 | if (defined $arg) { |
1520 | return $arg->ast(@_); |
1521 | } |
1522 | return ';'; # XXX literal ; should come through somewhere |
1523 | } |
1524 | |
1525 | package PLXML::op_prototype; |
1526 | package PLXML::op_refgen; |
1527 | |
1528 | sub ast { |
1529 | my $self = shift; |
1530 | my @newkids = $self->madness('o s a'); |
1531 | |
1532 | if (exists $$self{Kids}) { |
1533 | my $arg = $$self{Kids}[0]; |
1534 | push @newkids, $arg->ast($self, @_) if defined $arg; |
1535 | } |
1536 | |
1537 | my $res = $self->newtype->new(Kids => [@newkids]); |
1538 | return $res; |
1539 | } |
1540 | |
1541 | package PLXML::op_srefgen; |
1542 | |
1543 | sub ast { |
1544 | my @newkids; |
1545 | my $self = shift; |
1546 | if ($$self{mp}{FIRST} eq '{') { |
1547 | local $::curstate; # this is officially a block, so hide it |
1548 | local $::curenc = $::curenc; |
1549 | push @newkids, $self->madness('{'); |
1550 | for my $kid (@{$$self{Kids}}) { |
1551 | push @newkids, $kid->ast($self, @_); |
1552 | } |
1553 | push @newkids, $self->madness('; }'); |
1554 | return P5AST::op_stringify->new(Kids => [@newkids]); |
1555 | } |
1556 | else { |
1557 | push @newkids, $self->madness('o ['); |
1558 | for my $kid (@{$$self{Kids}}) { |
1559 | push @newkids, $kid->ast($self, @_); |
1560 | } |
1561 | push @newkids, $self->madness(']'); |
1562 | return P5AST::op_stringify->new(Kids => [@newkids]); |
1563 | } |
1564 | } |
1565 | |
1566 | package PLXML::op_ref; |
1567 | package PLXML::op_bless; |
1568 | package PLXML::op_backtick; |
1569 | |
1570 | sub ast { |
1571 | my $self = shift; |
1572 | my @args; |
1573 | if (exists $self->{mp}{q}) { |
1574 | push @args, $self->madness('q'); |
1575 | if ($args[-1]->uni =~ /^<</) { |
1576 | my $opstub = bless { start => $args[-1] }, 'P5AST::heredoc'; |
1577 | $args[-1] = $opstub; |
1578 | $opstub->{doc} = P5AST::op_const->new(Kids => [$self->madness('=')]); |
1579 | $opstub->{end} = ($self->madness('Q'))[-1]; |
1580 | } |
1581 | else { |
1582 | push @args, $self->madness('= Q'); |
1583 | } |
1584 | } |
1585 | return $self->newtype->new(Kids => [@args]); |
1586 | } |
1587 | |
1588 | package PLXML::op_glob; |
1589 | |
1590 | sub astnull { |
1591 | my $self = shift; |
1592 | my @retval = $self->madness('o q = Q'); |
1593 | if (not @retval or $retval[-1]->uni eq 'glob') { |
1594 | push @retval, $self->madness('('); |
1595 | push @retval, $$self{Kids}[0]->ast($self,@_); |
1596 | push @retval, $self->madness(')'); |
1597 | } |
1598 | return P5AST::op_glob->new(Kids => [@retval]); |
1599 | } |
1600 | |
1601 | package PLXML::op_readline; |
1602 | |
1603 | sub astnull { |
1604 | my $self = shift; |
1605 | my @retval; |
1606 | if (exists $$self{mp}{q}) { |
1607 | @retval = $self->madness('q = Q'); |
1608 | } |
1609 | elsif (exists $$self{mp}{X}) { |
1610 | @retval = $self->madness('X'); |
1611 | } |
1612 | return P5AST::op_readline->new(Kids => [@retval]); |
1613 | } |
1614 | |
1615 | sub ast { |
1616 | my $self = shift; |
1617 | |
1618 | my @retval; |
1619 | |
1620 | my @args; |
1621 | my $const; |
1622 | if (exists $$self{mp}{q}) { |
1623 | @args = $self->madness('q = Q'); |
1624 | } |
1625 | elsif (exists $$self{mp}{X}) { |
1626 | @args = $self->madness('X'); |
1627 | } |
1628 | elsif (exists $$self{GV}) { |
1629 | @args = $$self{IV}; |
1630 | } |
1631 | elsif (@{$$self{Kids}}) { |
1632 | @args = $self->PLXML::unop::ast(@_); |
1633 | } |
1634 | else { |
1635 | @args = $self->SUPER::text(@_); |
1636 | } |
1637 | return $self->newtype->new(Kids => [@retval,@args]); |
1638 | } |
1639 | |
1640 | |
1641 | package PLXML::op_rcatline; |
1642 | package PLXML::op_regcmaybe; |
1643 | package PLXML::op_regcreset; |
1644 | package PLXML::op_regcomp; |
1645 | |
1646 | sub ast { |
1647 | my $self = shift; |
1648 | $self->PLXML::unop::ast(@_); |
1649 | } |
1650 | |
1651 | package PLXML::op_match; |
1652 | |
1653 | sub ast { |
1654 | my $self = shift; |
1655 | my $retval = $self->SUPER::ast(@_); |
1656 | my $p5re; |
1657 | if (not $p5re = $retval->p5text()) { |
1658 | $retval = $self->newtype->new(Kids => [$self->madness('X q = Q m')]); |
1659 | $p5re = $retval->p5text(); |
1660 | } |
1661 | if ($deinterpolate) { |
1662 | $retval->{P5re} = P5re::qrparse($p5re); |
1663 | } |
1664 | return $retval; |
1665 | } |
1666 | |
1667 | package PLXML::op_qr; |
1668 | |
1669 | sub ast { |
1670 | my $self = shift; |
1671 | my $retval; |
1672 | if (exists $$self{flags}) { |
1673 | $retval = $self->SUPER::ast(@_); |
1674 | } |
1675 | else { |
1676 | $retval = $self->newtype->new(Kids => [$self->madness('X q = Q m')]); |
1677 | } |
1678 | if ($deinterpolate) { |
1679 | my $p5re = $retval->p5text(); |
1680 | $retval->{P5re} = P5re::qrparse($p5re); |
1681 | } |
1682 | return $retval; |
1683 | } |
1684 | |
1685 | package PLXML::op_subst; |
1686 | |
1687 | sub ast { |
1688 | my $self = shift; |
1689 | |
1690 | my $bits = $self->fetchbits($$self{flags},@_); |
1691 | |
1692 | my @newkids; |
1693 | if ($bits->{binding}) { |
1694 | push @newkids, $bits->{binding}; |
1695 | push @newkids, $self->madness('~'); |
1696 | } |
1697 | my $X = p5::token->new($$self{mp}{X}); |
1698 | my @lfirst = $self->madness('q'); |
1699 | my @llast = $self->madness('Q'); |
1700 | push @newkids, |
1701 | @lfirst, |
1702 | $self->madness('E'), # XXX s/b e probably |
1703 | @llast; |
1704 | my @rfirst = $self->madness('z'); |
1705 | my @rlast = $self->madness('Z'); |
1706 | my @mods = $self->madness('m'); |
1707 | if ($rfirst[-1]->uni ne $llast[-1]->uni) { |
1708 | push @newkids, @rfirst; |
1709 | } |
1710 | |
1711 | push @newkids, $bits->{repl}, @rlast, @mods; |
1712 | |
1713 | my $retval = $self->newtype->new(Kids => [@newkids]); |
1714 | if ($deinterpolate) { |
1715 | my $p5re = $retval->p5text(); |
1716 | $retval->{P5re} = P5re::qrparse($p5re); |
1717 | } |
1718 | return $retval; |
1719 | } |
1720 | |
1721 | package PLXML::op_substcont; |
1722 | package PLXML::op_trans; |
1723 | |
1724 | sub ast { |
1725 | my $self = shift; |
1726 | |
1727 | # my $bits = $self->fetchbits($$self{flags},@_); |
1728 | # |
1729 | my @newkids; |
1730 | my @lfirst = $self->madness('q'); |
1731 | my @llast = $self->madness('Q'); |
1732 | push @newkids, |
1733 | @lfirst, |
1734 | $self->madness('E'), |
1735 | @llast; |
1736 | my @rfirst = $self->madness('z'); |
1737 | my @repl = $self->madness('R'); |
1738 | my @rlast = $self->madness('Z'); |
1739 | my @mods = $self->madness('m'); |
1740 | if ($rfirst[-1]->uni ne $llast[-1]->uni) { |
1741 | push @newkids, @rfirst; |
1742 | } |
1743 | |
1744 | push @newkids, @repl, @rlast, @mods; |
1745 | |
1746 | my $res = $self->newtype->new(Kids => [@newkids]); |
1747 | return $res; |
1748 | } |
1749 | |
1750 | package PLXML::op_sassign; |
1751 | |
1752 | sub ast { |
1753 | my $self = shift; |
1754 | my @newkids; |
1755 | |
1756 | my $right = $$self{Kids}[1]; |
1757 | eval { push @newkids, $right->ast($self, @_); }; |
1758 | |
1759 | push @newkids, $self->madness('o'); |
1760 | |
1761 | my $left = $$self{Kids}[0]; |
1762 | push @newkids, $left->ast($self, @_); |
1763 | |
1764 | return $self->newtype->new(Kids => [@newkids]); |
1765 | } |
1766 | |
1767 | package PLXML::op_aassign; |
1768 | |
1769 | sub astnull { ast(@_) } |
1770 | |
1771 | sub ast { |
1772 | my $self = shift; |
1773 | my @newkids; |
1774 | |
1775 | my $right = $$self{Kids}[1]; |
1776 | push @newkids, $right->ast($self, @_); |
1777 | |
1778 | push @newkids, $self->madness('o'); |
1779 | |
1780 | my $left = $$self{Kids}[0]; |
1781 | push @newkids, $left->ast($self, @_); |
1782 | |
1783 | return $self->newtype->new(Kids => [@newkids]); |
1784 | } |
1785 | |
1786 | package PLXML::op_chop; |
1787 | package PLXML::op_schop; |
1788 | package PLXML::op_chomp; |
1789 | package PLXML::op_schomp; |
1790 | package PLXML::op_defined; |
1791 | package PLXML::op_undef; |
1792 | package PLXML::op_study; |
1793 | package PLXML::op_pos; |
1794 | package PLXML::op_preinc; |
1795 | |
1796 | sub ast { |
1797 | my $self = shift; |
1798 | if ($$self{targ}) { # stealth post inc or dec |
1799 | return $self->PLXML::op_postinc::ast(@_); |
1800 | } |
1801 | return $self->SUPER::ast(@_); |
1802 | } |
1803 | |
1804 | package PLXML::op_i_preinc; |
1805 | |
1806 | sub ast { my $self = shift; $self->PLXML::op_preinc::ast(@_); } |
1807 | |
1808 | package PLXML::op_predec; |
1809 | |
1810 | sub ast { my $self = shift; $self->PLXML::op_preinc::ast(@_); } |
1811 | |
1812 | package PLXML::op_i_predec; |
1813 | |
1814 | sub ast { my $self = shift; $self->PLXML::op_preinc::ast(@_); } |
1815 | |
1816 | package PLXML::op_postinc; |
1817 | |
1818 | sub ast { |
1819 | my $self = shift; |
1820 | my @newkids; |
1821 | |
1822 | if (exists $$self{Kids}) { |
1823 | my $arg = $$self{Kids}[0]; |
1824 | push @newkids, $arg->ast($self, @_) if defined $arg; |
1825 | } |
1826 | push @newkids, $self->madness('o'); |
1827 | |
1828 | my $res = $self->newtype->new(Kids => [@newkids]); |
1829 | return $res; |
1830 | } |
1831 | |
1832 | package PLXML::op_i_postinc; |
1833 | |
1834 | sub ast { my $self = shift; $self->PLXML::op_postinc::ast(@_); } |
1835 | |
1836 | package PLXML::op_postdec; |
1837 | |
1838 | sub ast { my $self = shift; $self->PLXML::op_postinc::ast(@_); } |
1839 | |
1840 | package PLXML::op_i_postdec; |
1841 | |
1842 | sub ast { my $self = shift; $self->PLXML::op_postinc::ast(@_); } |
1843 | |
1844 | package PLXML::op_pow; |
1845 | package PLXML::op_multiply; |
1846 | package PLXML::op_i_multiply; |
1847 | package PLXML::op_divide; |
1848 | package PLXML::op_i_divide; |
1849 | package PLXML::op_modulo; |
1850 | package PLXML::op_i_modulo; |
1851 | package PLXML::op_repeat; |
1852 | |
1853 | sub ast { |
1854 | my $self = shift; |
1855 | return $self->SUPER::ast(@_) |
1856 | unless exists $$self{private} and $$self{private} =~ /DOLIST/; |
1857 | |
1858 | my $newself = $$self{Kids}[0]->ast($self,@_); |
1859 | splice @{$newself->{Kids}}, -1, 0, $self->madness('o'); |
1860 | |
1861 | return bless $newself, $self->newtype; # rebless the op_null |
1862 | } |
1863 | |
1864 | package PLXML::op_add; |
1865 | package PLXML::op_i_add; |
1866 | package PLXML::op_subtract; |
1867 | package PLXML::op_i_subtract; |
1868 | package PLXML::op_concat; |
1869 | |
1870 | sub astnull { |
1871 | my $self = shift; |
1872 | my @newkids; |
1873 | |
1874 | my @before; |
1875 | if (@before = $self->madness('M')) { |
1876 | push @before, $self->madness('ox'); # o is the . |
1877 | } |
1878 | my @after; |
1879 | my $left = $$self{Kids}[0]; |
1880 | push @newkids, $left->ast($self, @_); |
1881 | |
1882 | push @newkids, $self->madness('o'); |
1883 | |
1884 | my $right = $$self{Kids}[1]; |
1885 | push @newkids, $right->ast($self, @_); |
1886 | return P5AST::op_concat->new(Kids => [@newkids]); |
1887 | } |
1888 | |
1889 | sub ast { |
1890 | my $self = shift; |
1891 | my $parent = $_[0]; |
1892 | my @newkids; |
1893 | |
1894 | my @before; |
1895 | if (@before = $self->madness('M')) { |
1896 | push @before, $self->madness('ox'); # o is the . |
1897 | } |
1898 | my @after; |
1899 | my $left = $$self{Kids}[0]; |
1900 | push @newkids, $left->ast($self, @_); |
1901 | |
1902 | push @newkids, $self->madness('o'); |
1903 | |
1904 | my $right = $$self{Kids}[1]; |
1905 | push @newkids, $right->ast($self, @_); |
1906 | |
1907 | return $self->newtype->new(Kids => [@before, @newkids, @after]); |
1908 | } |
1909 | |
1910 | package PLXML::op_stringify; |
1911 | |
1912 | sub astnull { |
1913 | ast(@_); |
1914 | } |
1915 | |
1916 | sub ast { |
1917 | my $self = shift; |
1918 | my @newkids; |
1919 | my @front = $self->madness('q ('); |
1920 | my @back = $self->madness(') Q'); |
1921 | my @M = $self->madness('M'); |
1922 | if (@M) { |
1923 | push @newkids, $M[0], $self->madness('o'); |
1924 | } |
1925 | push @newkids, @front; |
1926 | for my $kid (@{$$self{Kids}}) { |
1927 | push @newkids, $kid->ast($self, @_); |
1928 | } |
1929 | push @newkids, @back; |
1930 | return P5AST::op_stringify->new(Kids => [@newkids]); |
1931 | } |
1932 | |
1933 | package PLXML::op_left_shift; |
1934 | package PLXML::op_right_shift; |
1935 | package PLXML::op_lt; |
1936 | package PLXML::op_i_lt; |
1937 | package PLXML::op_gt; |
1938 | package PLXML::op_i_gt; |
1939 | package PLXML::op_le; |
1940 | package PLXML::op_i_le; |
1941 | package PLXML::op_ge; |
1942 | package PLXML::op_i_ge; |
1943 | package PLXML::op_eq; |
1944 | package PLXML::op_i_eq; |
1945 | package PLXML::op_ne; |
1946 | package PLXML::op_i_ne; |
1947 | package PLXML::op_ncmp; |
1948 | package PLXML::op_i_ncmp; |
1949 | package PLXML::op_slt; |
1950 | package PLXML::op_sgt; |
1951 | package PLXML::op_sle; |
1952 | package PLXML::op_sge; |
1953 | package PLXML::op_seq; |
1954 | package PLXML::op_sne; |
1955 | package PLXML::op_scmp; |
1956 | package PLXML::op_bit_and; |
1957 | package PLXML::op_bit_xor; |
1958 | package PLXML::op_bit_or; |
1959 | package PLXML::op_negate; |
1960 | package PLXML::op_i_negate; |
1961 | package PLXML::op_not; |
1962 | |
1963 | sub ast { |
1964 | my $self = shift; |
1965 | my @newkids = $self->madness('o ('); |
1966 | my @swap; |
1967 | if (@newkids and $newkids[-1]->uni eq '!~') { |
1968 | @swap = @newkids; |
1969 | @newkids = (); |
1970 | } |
1971 | |
1972 | if (exists $$self{Kids}) { |
1973 | my $arg = $$self{Kids}[0]; |
1974 | push @newkids, $arg->ast($self, @_) if defined $arg; |
1975 | } |
1976 | if (@swap) { |
1977 | splice @{$newkids[-1][0]{Kids}}, -2, 0, @swap; # XXX WAG |
1978 | } |
1979 | push @newkids, $self->madness(')'); |
1980 | |
1981 | my $res = $self->newtype->new(Kids => [@newkids]); |
1982 | return $res; |
1983 | } |
1984 | |
1985 | package PLXML::op_complement; |
1986 | package PLXML::op_atan2; |
1987 | package PLXML::op_sin; |
1988 | package PLXML::op_cos; |
1989 | package PLXML::op_rand; |
1990 | package PLXML::op_srand; |
1991 | package PLXML::op_exp; |
1992 | package PLXML::op_log; |
1993 | package PLXML::op_sqrt; |
1994 | package PLXML::op_int; |
1995 | package PLXML::op_hex; |
1996 | package PLXML::op_oct; |
1997 | package PLXML::op_abs; |
1998 | package PLXML::op_length; |
1999 | package PLXML::op_substr; |
2000 | package PLXML::op_vec; |
2001 | package PLXML::op_index; |
2002 | package PLXML::op_rindex; |
2003 | package PLXML::op_sprintf; |
2004 | package PLXML::op_formline; |
2005 | package PLXML::op_ord; |
2006 | package PLXML::op_chr; |
2007 | package PLXML::op_crypt; |
2008 | package PLXML::op_ucfirst; |
2009 | |
2010 | sub ast { |
2011 | my $self = shift; |
2012 | return $self->PLXML::listop::ast(@_); |
2013 | } |
2014 | |
2015 | package PLXML::op_lcfirst; |
2016 | |
2017 | sub ast { |
2018 | my $self = shift; |
2019 | return $self->PLXML::listop::ast(@_); |
2020 | } |
2021 | |
2022 | package PLXML::op_uc; |
2023 | |
2024 | sub ast { |
2025 | my $self = shift; |
2026 | return $self->PLXML::listop::ast(@_); |
2027 | } |
2028 | |
2029 | package PLXML::op_lc; |
2030 | |
2031 | sub ast { |
2032 | my $self = shift; |
2033 | return $self->PLXML::listop::ast(@_); |
2034 | } |
2035 | |
2036 | package PLXML::op_quotemeta; |
2037 | |
2038 | sub ast { |
2039 | my $self = shift; |
2040 | return $self->PLXML::listop::ast(@_); |
2041 | } |
2042 | |
2043 | package PLXML::op_rv2av; |
2044 | |
2045 | sub astnull { |
2046 | my $self = shift; |
2047 | return P5AST::op_rv2av->new(Kids => [$self->madness('$ @')]); |
2048 | } |
2049 | |
2050 | sub ast { |
2051 | my $self = shift; |
2052 | |
2053 | if (ref $$self{Kids}[0] eq 'PLXML::op_const' and $$self{mp}{'O'}) { |
2054 | return $self->madness('O'); |
2055 | } |
2056 | |
2057 | my @before; |
2058 | push @before, $self->madness('dx d ('); |
2059 | |
2060 | my @newkids; |
2061 | push @newkids, $self->madness('$ @ K'); |
2062 | if (ref $$self{Kids}[0] ne "PLXML::op_gv") { |
2063 | push @newkids, $$self{Kids}[0]->ast(); |
2064 | } |
2065 | my @after; |
2066 | push @after, $self->madness(') a'); |
2067 | return $self->newtype->new(Kids => [@before, @newkids, @after]); |
2068 | } |
2069 | |
2070 | package PLXML::op_aelemfast; |
2071 | |
2072 | sub ast { |
2073 | my $self = shift; |
2074 | return $self->madness('$'); |
2075 | } |
2076 | |
2077 | package PLXML::op_aelem; |
2078 | |
2079 | sub astnull { |
2080 | my $self = shift; |
2081 | my @newkids; |
2082 | push @newkids, $self->madness('dx d'); |
2083 | for my $kid (@{$$self{Kids}}) { |
2084 | push @newkids, $kid->ast($self, @_); |
2085 | } |
2086 | splice @newkids, -1, 0, $self->madness('a ['); |
2087 | push @newkids, $self->madness(']'); |
2088 | return P5AST::op_aelem->new(Kids => [@newkids]); |
2089 | } |
2090 | |
2091 | sub ast { |
2092 | my $self = shift; |
2093 | |
2094 | my @before = $self->madness('dx d'); |
2095 | my @newkids; |
2096 | for my $kid (@{$$self{Kids}}) { |
2097 | push @newkids, $kid->ast(@_); |
2098 | } |
2099 | splice @newkids, -1, 0, $self->madness('a ['); |
2100 | push @newkids, $self->madness(']'); |
2101 | |
2102 | return $self->newtype->new(Kids => [@before, @newkids]); |
2103 | } |
2104 | |
2105 | package PLXML::op_aslice; |
2106 | |
2107 | sub astnull { |
2108 | my $self = shift; |
2109 | my @newkids; |
2110 | push @newkids, $self->madness('['); |
2111 | for my $kid (@{$$self{Kids}}) { |
2112 | push @newkids, $kid->ast(@_); |
2113 | } |
2114 | unshift @newkids, pop @newkids; |
2115 | unshift @newkids, $self->madness('dx d'); |
2116 | push @newkids, $self->madness(']'); |
2117 | return P5AST::op_aslice->new(Kids => [@newkids]); |
2118 | } |
2119 | |
2120 | sub ast { |
2121 | my $self = shift; |
2122 | |
2123 | my @newkids; |
2124 | push @newkids, $self->madness('['); |
2125 | for my $kid (@{$$self{Kids}}) { |
2126 | push @newkids, $kid->ast(@_); |
2127 | } |
2128 | unshift @newkids, pop @newkids; |
2129 | unshift @newkids, $self->madness('dx d'); |
2130 | push @newkids, $self->madness(']'); |
2131 | |
2132 | return $self->newtype->new(Kids => [@newkids]); |
2133 | } |
2134 | |
2135 | package PLXML::op_each; |
2136 | package PLXML::op_values; |
2137 | package PLXML::op_keys; |
2138 | package PLXML::op_delete; |
2139 | package PLXML::op_exists; |
2140 | package PLXML::op_rv2hv; |
2141 | |
2142 | sub astnull { |
2143 | my $self = shift; |
2144 | return P5AST::op_rv2hv->new(Kids => [$self->madness('$')]); |
2145 | } |
2146 | |
2147 | sub ast { |
2148 | my $self = shift; |
2149 | |
2150 | my @before; |
2151 | push @before, $self->madness('dx d ('); |
2152 | |
2153 | my @newkids; |
2154 | push @newkids, $self->madness('$ @ % K'); |
2155 | if (ref $$self{Kids}[0] ne "PLXML::op_gv") { |
2156 | push @newkids, $$self{Kids}[0]->ast(); |
2157 | } |
2158 | my @after; |
2159 | push @after, $self->madness(') a'); |
2160 | return $self->newtype->new(Kids => [@before, @newkids, @after]); |
2161 | } |
2162 | |
2163 | package PLXML::op_helem; |
2164 | |
2165 | sub astnull { |
2166 | my $self = shift; |
2167 | local $::curstate; # hash subscript potentially a lineseq |
2168 | local $::curenc = $::curenc; |
2169 | |
2170 | my @newkids; |
2171 | push @newkids, $self->madness('dx d'); |
2172 | for my $kid (@{$$self{Kids}}) { |
2173 | push @newkids, $kid->ast($self, @_); |
2174 | } |
2175 | splice @newkids, -1, 0, $self->madness('a {'); |
2176 | push @newkids, $self->madness('}'); |
2177 | return P5AST::op_helem->new(Kids => [@newkids]); |
2178 | } |
2179 | |
2180 | sub ast { |
2181 | my $self = shift; |
2182 | local $::curstate; # hash subscript potentially a lineseq |
2183 | local $::curenc = $::curenc; |
2184 | |
2185 | my @before = $self->madness('dx d'); |
2186 | my @newkids; |
2187 | for my $kid (@{$$self{Kids}}) { |
2188 | push @newkids, $kid->ast($self, @_); |
2189 | } |
2190 | splice @newkids, -1, 0, $self->madness('a {'); |
2191 | push @newkids, $self->madness('}'); |
2192 | |
2193 | return $self->newtype->new(Kids => [@before, @newkids]); |
2194 | } |
2195 | |
2196 | |
2197 | package PLXML::op_hslice; |
2198 | |
2199 | sub astnull { |
2200 | my $self = shift; |
2201 | my @newkids; |
2202 | push @newkids, $self->madness('{'); |
2203 | for my $kid (@{$$self{Kids}}) { |
2204 | push @newkids, $kid->ast(@_); |
2205 | } |
2206 | unshift @newkids, pop @newkids; |
2207 | unshift @newkids, $self->madness('dx d'); |
2208 | push @newkids, $self->madness('}'); |
2209 | return P5AST::op_hslice->new(Kids => [@newkids]); |
2210 | } |
2211 | |
2212 | sub ast { |
2213 | my $self = shift; |
2214 | |
2215 | my @newkids; |
2216 | push @newkids, $self->madness('{'); |
2217 | for my $kid (@{$$self{Kids}}) { |
2218 | push @newkids, $kid->ast(@_); |
2219 | } |
2220 | unshift @newkids, pop @newkids; |
2221 | unshift @newkids, $self->madness('dx d'); |
2222 | push @newkids, $self->madness('}'); |
2223 | |
2224 | return $self->newtype->new(Kids => [@newkids]); |
2225 | } |
2226 | |
2227 | package PLXML::op_unpack; |
2228 | package PLXML::op_pack; |
2229 | package PLXML::op_split; |
2230 | |
2231 | sub ast { |
2232 | my $self = shift; |
2233 | my $results = $self->SUPER::ast(@_); |
2234 | if (my @dest = $self->madness('R')) { |
2235 | return PLXML::op_aassign->newtype->new(Kids => [@dest, $self->madness('ox'), $results]); |
2236 | } |
2237 | return $results; |
2238 | } |
2239 | |
2240 | package PLXML::op_join; |
2241 | package PLXML::op_list; |
2242 | |
2243 | sub astnull { |
2244 | my $self = shift; |
2245 | my @newkids; |
2246 | my @retval; |
2247 | my @before; |
2248 | if (@retval = $self->madness('X')) { |
2249 | push @before, $self->madness('x o'); |
2250 | return @before,@retval; |
2251 | } |
2252 | my @kids = @{$$self{Kids}}; |
2253 | for my $kid (@kids) { |
2254 | next if ref $kid eq 'PLXML::op_pushmark'; |
2255 | next if ref $kid eq 'PLXML::op_null' and |
2256 | defined $$kid{was} and $$kid{was} eq 'pushmark'; |
2257 | push @newkids, $kid->ast($self, @_); |
2258 | } |
2259 | |
2260 | my $x = ""; |
2261 | my @newnewkids = (); |
2262 | push @newnewkids, $self->madness('dx d ('); |
2263 | push @newnewkids, @newkids; |
2264 | push @newnewkids, $self->madness(') :'); |
2265 | return P5AST::op_list->new(Kids => [@newnewkids]); |
2266 | } |
2267 | |
2268 | sub ast { |
2269 | my $self = shift; |
2270 | |
2271 | my @retval; |
2272 | my @before; |
2273 | if (@retval = $self->madness('X')) { |
2274 | push @before, $self->madness('o'); |
2275 | return $self->newtype->new(Kids => [@before,@retval]); |
2276 | } |
2277 | push @retval, $self->madness('dx d ('); |
2278 | |
2279 | my @newkids; |
2280 | for my $kid (@{$$self{Kids}}) { |
2281 | push @newkids, $kid->ast($self, @_); |
2282 | } |
2283 | my $x = ""; |
2284 | my @newnewkids = (); |
2285 | push @newnewkids, @newkids; |
2286 | @newkids = @newnewkids; |
2287 | push @retval, @newkids; |
2288 | push @retval, $self->madness(') :'); |
2289 | return $self->newtype->new(Kids => [@retval]); |
2290 | } |
2291 | |
2292 | package PLXML::op_lslice; |
2293 | |
2294 | sub ast { |
2295 | my $self = shift; |
2296 | my @newkids; |
2297 | |
2298 | if ($$self{mp}{q}) { |
2299 | push @newkids, $self->madness('q = Q'); |
2300 | } |
2301 | elsif ($$self{mp}{x}) { |
2302 | push @newkids, $self->madness('x'); |
2303 | } |
2304 | else { |
2305 | push @newkids, $self->madness('('); |
2306 | my $list = $$self{Kids}[1]; |
2307 | push @newkids, $list->ast($self, @_); |
2308 | push @newkids, $self->madness(')'); |
2309 | } |
2310 | |
2311 | push @newkids, $self->madness('['); |
2312 | |
2313 | my $slice = $$self{Kids}[0]; |
2314 | push @newkids, $slice->ast($self, @_); |
2315 | push @newkids, $self->madness(']'); |
2316 | |
2317 | return $self->newtype->new(Kids => [@newkids]); |
2318 | } |
2319 | |
2320 | package PLXML::op_anonlist; |
2321 | package PLXML::op_anonhash; |
2322 | package PLXML::op_splice; |
2323 | package PLXML::op_push; |
2324 | package PLXML::op_pop; |
2325 | package PLXML::op_shift; |
2326 | package PLXML::op_unshift; |
2327 | package PLXML::op_sort; |
2328 | package PLXML::op_reverse; |
2329 | |
2330 | sub astnull { |
2331 | my $self = shift; |
2332 | $self->PLXML::listop::ast(@_); |
2333 | } |
2334 | |
2335 | package PLXML::op_grepstart; |
2336 | package PLXML::op_grepwhile; |
2337 | package PLXML::op_mapstart; |
2338 | package PLXML::op_mapwhile; |
2339 | package PLXML::op_range; |
2340 | |
2341 | sub ast { |
2342 | my $self = shift; |
2343 | return $self->PLXML::binop::ast(@_); |
2344 | } |
2345 | |
2346 | package PLXML::op_flip; |
2347 | package PLXML::op_flop; |
2348 | package PLXML::op_and; |
2349 | |
2350 | sub astnull { |
2351 | my $self = shift; |
2352 | my @newkids; |
2353 | my @first = $self->madness('1'); |
2354 | my @second = $self->madness('2'); |
2355 | my @stuff = $$self{Kids}[0]->ast(); |
2356 | if (my @I = $self->madness('I')) { |
2357 | if (@second) { |
2358 | push @newkids, @I; |
2359 | push @newkids, $self->madness('('); |
2360 | push @newkids, @stuff; |
2361 | push @newkids, $self->madness(')'); |
2362 | push @newkids, @second; |
2363 | } |
2364 | else { |
2365 | push @newkids, @I; |
2366 | push @newkids, $self->madness('('); |
2367 | push @newkids, @first; |
2368 | push @newkids, $self->madness(')'); |
2369 | push @newkids, @stuff; |
2370 | } |
2371 | } |
2372 | elsif (my @i = $self->madness('i')) { |
2373 | if (@second) { |
2374 | push @newkids, @second; |
2375 | push @newkids, @i; |
2376 | push @newkids, @stuff; |
2377 | } |
2378 | else { |
2379 | push @newkids, @stuff; |
2380 | push @newkids, @i; |
2381 | push @newkids, @first; |
2382 | } |
2383 | } |
2384 | elsif (my @o = $self->madness('o')) { |
2385 | if (@second) { |
2386 | push @newkids, @stuff; |
2387 | push @newkids, @o; |
2388 | push @newkids, @second; |
2389 | } |
2390 | else { |
2391 | push @newkids, @first; |
2392 | push @newkids, @o; |
2393 | push @newkids, @stuff; |
2394 | } |
2395 | } |
2396 | return P5AST::op_and->new(Kids => [@newkids]); |
2397 | } |
2398 | |
2399 | package PLXML::op_or; |
2400 | |
2401 | sub astnull { |
2402 | my $self = shift; |
2403 | my @newkids; |
2404 | my @first = $self->madness('1'); |
2405 | my @second = $self->madness('2'); |
2406 | my @i = $self->madness('i'); |
2407 | my @stuff = $$self{Kids}[0]->ast(); |
2408 | if (@second) { |
2409 | if (@i) { |
2410 | push @newkids, @second; |
2411 | push @newkids, $self->madness('i'); |
2412 | push @newkids, @stuff; |
2413 | } |
2414 | else { |
2415 | push @newkids, @stuff; |
2416 | push @newkids, $self->madness('o'); |
2417 | push @newkids, @second; |
2418 | } |
2419 | } |
2420 | else { |
2421 | if (@i) { |
2422 | push @newkids, @stuff; |
2423 | push @newkids, $self->madness('i'); |
2424 | push @newkids, @first; |
2425 | } |
2426 | else { |
2427 | push @newkids, @first; |
2428 | push @newkids, $self->madness('o'); |
2429 | push @newkids, @stuff; |
2430 | } |
2431 | } |
2432 | return "P5AST::op_$$self{was}"->new(Kids => [@newkids]); |
2433 | } |
2434 | |
2435 | |
2436 | package PLXML::op_xor; |
2437 | package PLXML::op_cond_expr; |
2438 | package PLXML::op_andassign; |
2439 | package PLXML::op_orassign; |
2440 | package PLXML::op_method; |
2441 | package PLXML::op_entersub; |
2442 | |
2443 | sub ast { |
2444 | my $self = shift; |
2445 | |
2446 | if ($$self{mp}{q}) { |
2447 | return $self->madness('q = Q'); |
2448 | } |
2449 | if ($$self{mp}{X}) { # <FH> override? |
2450 | return $self->madness('X'); |
2451 | } |
2452 | if ($$self{mp}{A}) { |
2453 | return $self->astmethod(@_); |
2454 | } |
2455 | if ($$self{mp}{a}) { |
2456 | return $self->astarrow(@_); |
2457 | } |
2458 | |
2459 | my @retval; |
2460 | |
2461 | my @newkids; |
2462 | my @kids = @{$$self{Kids}}; |
2463 | if (@kids == 1 and ref $kids[0] eq 'PLXML::op_null' and $kids[0]{was} =~ /list/) { |
2464 | @kids = @{$kids[0]{Kids}}; |
2465 | } |
2466 | my $dest = pop @kids; |
2467 | my @dest = $dest->ast($self, @_); |
2468 | |
2469 | if (ref($dest) =~ /method/) { |
2470 | my $invocant = shift @kids; |
2471 | $invocant = shift @kids if ref($invocant) eq 'PLXML::op_pushmark'; |
2472 | my @invocant = $invocant->ast($self, @_); |
2473 | push @retval, @dest; |
2474 | push @retval, @invocant; |
2475 | } |
2476 | elsif (exists $$self{mp}{o} and $$self{mp}{o} eq 'do') { |
2477 | push @retval, $self->madness('o'); |
2478 | push @retval, @dest; |
2479 | } |
2480 | else { |
2481 | push @retval, $self->madness('o'); |
2482 | push @retval, @dest; |
2483 | } |
2484 | while (@kids) { |
2485 | my $kid = shift(@kids); |
2486 | push @newkids, $kid->ast($self, @_); |
2487 | } |
2488 | |
2489 | push @retval, $self->madness('('); |
2490 | push @retval, @newkids; |
2491 | push @retval, $self->madness(')'); |
2492 | return $self->newtype->new(Kids => [@retval]); |
2493 | } |
2494 | |
2495 | sub astmethod { |
2496 | my $self = shift; |
2497 | my @newkids; |
2498 | my @kids; |
2499 | for my $kid (@{$$self{Kids}}) { |
2500 | next if ref $kid eq 'PLXML::op_pushmark'; |
2501 | next if ref $kid eq 'PLXML::op_null' and |
2502 | defined $$kid{was} and $$kid{was} eq 'pushmark'; |
2503 | push @kids, $kid; |
2504 | } |
2505 | my @invocant; |
2506 | if ($$self{flags} =~ /\bSTACKED\b/) { |
2507 | push @invocant, shift(@kids)->ast($self, @_); |
2508 | } |
2509 | for my $kid (@kids) { |
2510 | push @newkids, $kid->ast($self, @_); |
2511 | } |
2512 | my $dest = pop(@newkids); |
2513 | if (ref $dest eq 'PLXML::op_rv2cv' and $$self{flags} =~ /\bMOD\b/) { |
2514 | $dest = pop(@newkids); |
2515 | } |
2516 | my $x = ""; |
2517 | my @retval; |
2518 | push @retval, @invocant; |
2519 | push @retval, $self->madness('A'); |
2520 | push @retval, $dest; |
2521 | push @retval, $self->madness('('); |
2522 | push @retval, @newkids; |
2523 | push @retval, $self->madness(')'); |
2524 | return $self->newtype->new(Kids => [@retval]); |
2525 | } |
2526 | |
2527 | sub astarrow { |
2528 | my $self = shift; |
2529 | my @newkids; |
2530 | my @retval; |
2531 | my @kids = @{$$self{Kids}}; |
2532 | if (@kids == 1 and ref $kids[0] eq 'PLXML::op_null' and $kids[0]{was} =~ /list/) { |
2533 | @kids = @{$kids[0]{Kids}}; |
2534 | } |
2535 | while (@kids > 1) { |
2536 | my $kid = shift(@kids); |
2537 | push @newkids, $kid->ast($self, @_); |
2538 | } |
2539 | my @dest = $kids[0]->ast($self, @_); |
2540 | my $x = ""; |
2541 | push @retval, @dest; |
2542 | push @retval, $self->madness('a'); |
2543 | push @retval, $self->madness('('); |
2544 | push @retval, @newkids; |
2545 | push @retval, $self->madness(')'); |
2546 | return $self->newtype->new(Kids => [@retval]); |
2547 | } |
2548 | |
2549 | package PLXML::op_leavesub; |
2550 | |
2551 | sub ast { |
2552 | my $self = shift; |
2553 | if (ref $$self{Kids}[0] eq "PLXML::op_null") { |
2554 | return $$self{Kids}[0]->ast(@_); |
2555 | } |
2556 | return $$self{Kids}[0]->blockast($self, @_); |
2557 | } |
2558 | |
2559 | package PLXML::op_leavesublv; |
2560 | |
2561 | sub ast { |
2562 | my $self = shift; |
2563 | |
2564 | return $$self{Kids}[0]->blockast($self, @_); |
2565 | } |
2566 | |
2567 | package PLXML::op_caller; |
2568 | package PLXML::op_warn; |
2569 | package PLXML::op_die; |
2570 | package PLXML::op_reset; |
2571 | package PLXML::op_lineseq; |
2572 | |
2573 | sub lineseq { |
2574 | my $self = shift; |
2575 | my @kids = @{$$self{Kids}}; |
2576 | local $::curstate = 0; # (probably redundant, but that's okay) |
2577 | local $::prevstate = 0; |
2578 | local $::curenc = $::curenc; |
2579 | my @retval; |
2580 | my @newstuff; |
2581 | my $newprev; |
2582 | while (@kids) { |
2583 | my $kid = shift @kids; |
2584 | my $thing = $kid->ast($self, @_); |
2585 | next unless defined $thing; |
2586 | if ($::curstate ne $::prevstate) { |
2587 | if ($::prevstate) { |
2588 | push @newstuff, $::prevstate->madness(';'); |
2589 | push @{$newprev->{Kids}}, @newstuff if $newprev; |
2590 | @newstuff = (); |
2591 | } |
2592 | $::prevstate = $::curstate; |
2593 | $newprev = $thing; |
2594 | push @retval, $thing; |
2595 | } |
2596 | elsif ($::prevstate) { |
2597 | push @newstuff, $thing; |
2598 | } |
2599 | else { |
2600 | push @retval, $thing; |
2601 | } |
2602 | } |
2603 | if ($::prevstate) { |
2604 | push @newstuff, $::prevstate->madness(';'); |
2605 | push @{$newprev->{Kids}}, @newstuff if $newprev; |
2606 | @newstuff = (); |
2607 | $::prevstate = 0; |
2608 | } |
2609 | return @retval; |
2610 | } |
2611 | |
2612 | sub blockast { |
2613 | my $self = shift; |
2614 | local $::curstate; |
2615 | |
2616 | my @retval; |
2617 | push @retval, $self->madness('{'); |
2618 | |
2619 | my @newkids = $self->PLXML::op_lineseq::lineseq(@_); |
2620 | push @retval, @newkids; |
2621 | |
2622 | push @retval, $self->madness('; }'); |
2623 | return $self->newtype->new(Kids => [@retval]); |
2624 | } |
2625 | |
2626 | package PLXML::op_nextstate; |
2627 | |
2628 | sub newtype { return "P5AST::statement" } |
2629 | |
2630 | sub astnull { |
2631 | my $self = shift; |
2632 | my @newkids; |
2633 | push @newkids, $self->madness('L'); |
2634 | $::curstate = $self; |
2635 | return P5AST::statement->new(Kids => [@newkids]); |
2636 | } |
2637 | |
2638 | sub ast { |
2639 | my $self = shift; |
2640 | |
2641 | my @newkids; |
2642 | push @newkids, $self->madness('L'); |
2643 | $::curstate = $self; |
2644 | return $self->newtype->new(Kids => [@newkids]); |
2645 | } |
2646 | |
2647 | |
2648 | package PLXML::op_dbstate; |
2649 | package PLXML::op_unstack; |
2650 | package PLXML::op_enter; |
2651 | |
2652 | sub ast { () } |
2653 | |
2654 | package PLXML::op_leave; |
2655 | |
2656 | sub astnull { |
2657 | ast(@_); |
2658 | } |
2659 | |
2660 | sub ast { |
2661 | my $self = shift; |
2662 | |
2663 | my $mad = $$self{mp}{FIRST} || "unknown"; |
2664 | |
2665 | my @retval; |
2666 | if ($mad eq 'w') { |
2667 | my @newkids; |
2668 | my @tmpkids; |
2669 | push @tmpkids, $self->{Kids}; |
2670 | my $anddo = $$self{Kids}[-1]{Kids}[0]{Kids}; |
2671 | eval { push @newkids, $anddo->[1]->ast($self,@_); }; |
2672 | push @newkids, "[[[NOANDDO]]]" if $@; |
2673 | push @newkids, $self->madness('w'); |
2674 | push @newkids, $anddo->[0]->ast($self,@_); |
2675 | |
2676 | return $self->newtype->new(Kids => [@newkids]); |
2677 | } |
2678 | |
2679 | local $::curstate; |
2680 | push @retval, $self->madness('o {'); |
2681 | |
2682 | my @newkids = $self->PLXML::op_lineseq::lineseq(@_); |
2683 | push @retval, @newkids; |
2684 | push @retval, $self->madness(q/; }/); |
2685 | my $retval = $self->newtype->new(Kids => [@retval]); |
2686 | |
2687 | if ($$self{mp}{C}) { |
2688 | my @before; |
2689 | my @after; |
2690 | push @before, $self->madness('I ( C )'); |
2691 | if ($$self{mp}{t}) { |
2692 | push @before, $self->madness('t'); |
2693 | } |
2694 | elsif ($$self{mp}{e}) { |
2695 | push @after, $self->madness('e'); |
2696 | } |
2697 | return P5AST::op_cond->new(Kids => [@before, $retval, @after]); |
2698 | } |
2699 | else { |
2700 | return $retval; |
2701 | } |
2702 | } |
2703 | |
2704 | package PLXML::op_scope; |
2705 | |
2706 | sub ast { |
2707 | my $self = shift; |
2708 | local $::curstate; |
2709 | |
2710 | my @newkids; |
2711 | push @newkids, $self->madness('o'); |
2712 | |
2713 | push @newkids, $self->madness('{'); |
2714 | push @newkids, $self->PLXML::op_lineseq::lineseq(@_); |
2715 | push @newkids, $self->madness('; }'); |
2716 | |
2717 | my @folded = $self->madness('C'); |
2718 | if (@folded) { |
2719 | my @t = $self->madness('t'); |
2720 | my @e = $self->madness('e'); |
2721 | if (@e) { |
2722 | return $self->newtype->new( |
2723 | Kids => [ |
2724 | $self->madness('I ('), |
2725 | @folded, |
2726 | $self->madness(')'), |
2727 | $self->newtype->new(Kids => [@newkids]), |
2728 | @e |
2729 | ] ); |
2730 | } |
2731 | else { |
2732 | return $self->newtype->new( |
2733 | Kids => [ |
2734 | $self->madness('I ('), |
2735 | @folded, |
2736 | $self->madness(')'), |
2737 | @t, |
2738 | $self->newtype->new(Kids => [@newkids]) |
2739 | ] ); |
2740 | } |
2741 | } |
2742 | return $self->newtype->new(Kids => [@newkids]); |
2743 | } |
2744 | |
2745 | package PLXML::op_enteriter; |
2746 | |
2747 | sub ast { |
2748 | my $self = shift; |
2749 | my (undef,$range,$var) = @{$self->{Kids}}; |
2750 | my @retval; |
2751 | push @retval, $self->madness('v'); |
2752 | if (!@retval and defined $var) { |
2753 | push @retval, $var->ast($self,@_); |
2754 | } |
2755 | else { |
2756 | push @retval, ''; |
2757 | } |
2758 | if (ref $range eq 'PLXML::op_null' and $$self{flags} =~ /STACKED/) { |
2759 | my (undef,$min,$max) = @{$range->{Kids}}; |
2760 | push @retval, $min->ast($self,@_); |
2761 | if (defined $max) { |
2762 | if (exists $$range{mp}{O}) { # deeply buried .. operator |
2763 | PLXML::prepreproc($$range{mp}{O}); |
2764 | push @retval, |
2765 | $$range{mp}{'O'}{Kids}[0]{Kids}[0]{Kids}[0]{Kids}[0]->madness('o') |
2766 | } |
2767 | else { |
2768 | push @retval, '..'; # XXX missing whitespace |
2769 | } |
2770 | push @retval, $max->ast($self,@_); |
2771 | } |
2772 | } |
2773 | else { |
2774 | push @retval, $range->ast($self,@_); |
2775 | } |
2776 | return $self->newtype->new(Kids => [@retval]); |
2777 | } |
2778 | |
2779 | package PLXML::op_iter; |
2780 | package PLXML::op_enterloop; |
2781 | |
2782 | sub ast { |
2783 | } |
2784 | |
2785 | package PLXML::op_leaveloop; |
2786 | |
2787 | sub ast { |
2788 | my $self = shift; |
2789 | |
2790 | my @retval; |
2791 | my @newkids; |
2792 | my $enterloop = $$self{Kids}[0]; |
2793 | my $nextthing = $$self{Kids}[1]; |
2794 | |
2795 | if ($$self{mp}{W}) { |
2796 | push @retval, $self->madness('L'); |
2797 | push @newkids, $self->madness('W d'); |
2798 | |
2799 | if (ref $enterloop eq 'PLXML::op_enteriter') { |
2800 | my ($var,@rest) = @{$enterloop->ast($self,@_)->{Kids}}; |
2801 | push @newkids, $var if $var; |
2802 | push @newkids, $self->madness('q ( x = Q'); |
2803 | push @newkids, @rest; |
2804 | } |
2805 | else { |
2806 | push @newkids, $self->madness('('); |
2807 | push @newkids, $enterloop->ast($self,@_); |
2808 | } |
2809 | } |
2810 | my $andor; |
2811 | |
2812 | if (ref $nextthing eq 'PLXML::op_null') { |
2813 | if ($$nextthing{mp}{'1'}) { |
2814 | push @newkids, $nextthing->madness('1'); |
2815 | push @newkids, $self->madness(')'); |
2816 | push @newkids, $$nextthing{Kids}[0]->blockast($self,@_); |
2817 | } |
2818 | elsif ($$nextthing{mp}{'2'}) { |
2819 | push @newkids, $$nextthing{Kids}[0]->ast($self,@_); |
2820 | push @newkids, $self->madness(')'); |
2821 | push @newkids, $$nextthing{mp}{'2'}->blockast($self,@_); |
2822 | } |
2823 | elsif ($$nextthing{mp}{'U'}) { |
2824 | push @newkids, $nextthing->ast($self,@_); |
2825 | } |
2826 | else { |
2827 | # bypass the op_null |
2828 | $andor = $nextthing->{Kids}[0]; |
2829 | eval { |
2830 | push @newkids, $$andor{Kids}[0]->ast($self, @_); |
2831 | }; |
2832 | push @newkids, $self->madness(')'); |
2833 | eval { |
2834 | push @newkids, $$andor{Kids}[1]->blockast($self, @_); |
2835 | }; |
2836 | } |
2837 | } |
2838 | else { |
2839 | $andor = $nextthing; |
2840 | push @newkids, $nextthing->madness('O'); |
2841 | push @newkids, $self->madness(')'); |
2842 | push @newkids, $nextthing->blockast($self, @_); |
2843 | } |
2844 | if ($$self{mp}{w}) { |
2845 | push @newkids, $self->madness('w'); |
2846 | push @newkids, $enterloop->ast($self,@_); |
2847 | } |
2848 | |
2849 | push @retval, @newkids; |
2850 | |
2851 | return $self->newtype->new(Kids => [@retval]); |
2852 | } |
2853 | |
2854 | package PLXML::op_return; |
2855 | package PLXML::op_last; |
2856 | package PLXML::op_next; |
2857 | package PLXML::op_redo; |
2858 | package PLXML::op_dump; |
2859 | package PLXML::op_goto; |
2860 | package PLXML::op_exit; |
2861 | package PLXML::op_open; |
2862 | package PLXML::op_close; |
2863 | package PLXML::op_pipe_op; |
2864 | package PLXML::op_fileno; |
2865 | package PLXML::op_umask; |
2866 | package PLXML::op_binmode; |
2867 | package PLXML::op_tie; |
2868 | package PLXML::op_untie; |
2869 | package PLXML::op_tied; |
2870 | package PLXML::op_dbmopen; |
2871 | package PLXML::op_dbmclose; |
2872 | package PLXML::op_sselect; |
2873 | package PLXML::op_select; |
2874 | package PLXML::op_getc; |
2875 | package PLXML::op_read; |
2876 | package PLXML::op_enterwrite; |
2877 | package PLXML::op_leavewrite; |
2878 | package PLXML::op_prtf; |
2879 | package PLXML::op_print; |
2880 | package PLXML::op_sysopen; |
2881 | package PLXML::op_sysseek; |
2882 | package PLXML::op_sysread; |
2883 | package PLXML::op_syswrite; |
2884 | package PLXML::op_send; |
2885 | package PLXML::op_recv; |
2886 | package PLXML::op_eof; |
2887 | package PLXML::op_tell; |
2888 | package PLXML::op_seek; |
2889 | package PLXML::op_truncate; |
2890 | package PLXML::op_fcntl; |
2891 | package PLXML::op_ioctl; |
2892 | package PLXML::op_flock; |
2893 | package PLXML::op_socket; |
2894 | package PLXML::op_sockpair; |
2895 | package PLXML::op_bind; |
2896 | package PLXML::op_connect; |
2897 | package PLXML::op_listen; |
2898 | package PLXML::op_accept; |
2899 | package PLXML::op_shutdown; |
2900 | package PLXML::op_gsockopt; |
2901 | package PLXML::op_ssockopt; |
2902 | package PLXML::op_getsockname; |
2903 | package PLXML::op_getpeername; |
2904 | package PLXML::op_lstat; |
2905 | package PLXML::op_stat; |
2906 | package PLXML::op_ftrread; |
2907 | package PLXML::op_ftrwrite; |
2908 | package PLXML::op_ftrexec; |
2909 | package PLXML::op_fteread; |
2910 | package PLXML::op_ftewrite; |
2911 | package PLXML::op_fteexec; |
2912 | package PLXML::op_ftis; |
2913 | package PLXML::op_fteowned; |
2914 | package PLXML::op_ftrowned; |
2915 | package PLXML::op_ftzero; |
2916 | package PLXML::op_ftsize; |
2917 | package PLXML::op_ftmtime; |
2918 | package PLXML::op_ftatime; |
2919 | package PLXML::op_ftctime; |
2920 | package PLXML::op_ftsock; |
2921 | package PLXML::op_ftchr; |
2922 | package PLXML::op_ftblk; |
2923 | package PLXML::op_ftfile; |
2924 | package PLXML::op_ftdir; |
2925 | package PLXML::op_ftpipe; |
2926 | package PLXML::op_ftlink; |
2927 | package PLXML::op_ftsuid; |
2928 | package PLXML::op_ftsgid; |
2929 | package PLXML::op_ftsvtx; |
2930 | package PLXML::op_fttty; |
2931 | package PLXML::op_fttext; |
2932 | package PLXML::op_ftbinary; |
2933 | package PLXML::op_chdir; |
2934 | package PLXML::op_chown; |
2935 | package PLXML::op_chroot; |
2936 | package PLXML::op_unlink; |
2937 | package PLXML::op_chmod; |
2938 | package PLXML::op_utime; |
2939 | package PLXML::op_rename; |
2940 | package PLXML::op_link; |
2941 | package PLXML::op_symlink; |
2942 | package PLXML::op_readlink; |
2943 | package PLXML::op_mkdir; |
2944 | package PLXML::op_rmdir; |
2945 | package PLXML::op_open_dir; |
2946 | package PLXML::op_readdir; |
2947 | package PLXML::op_telldir; |
2948 | package PLXML::op_seekdir; |
2949 | package PLXML::op_rewinddir; |
2950 | package PLXML::op_closedir; |
2951 | package PLXML::op_fork; |
2952 | package PLXML::op_wait; |
2953 | package PLXML::op_waitpid; |
2954 | package PLXML::op_system; |
2955 | package PLXML::op_exec; |
2956 | package PLXML::op_kill; |
2957 | package PLXML::op_getppid; |
2958 | package PLXML::op_getpgrp; |
2959 | package PLXML::op_setpgrp; |
2960 | package PLXML::op_getpriority; |
2961 | package PLXML::op_setpriority; |
2962 | package PLXML::op_time; |
2963 | package PLXML::op_tms; |
2964 | package PLXML::op_localtime; |
2965 | package PLXML::op_gmtime; |
2966 | package PLXML::op_alarm; |
2967 | package PLXML::op_sleep; |
2968 | package PLXML::op_shmget; |
2969 | package PLXML::op_shmctl; |
2970 | package PLXML::op_shmread; |
2971 | package PLXML::op_shmwrite; |
2972 | package PLXML::op_msgget; |
2973 | package PLXML::op_msgctl; |
2974 | package PLXML::op_msgsnd; |
2975 | package PLXML::op_msgrcv; |
2976 | package PLXML::op_semget; |
2977 | package PLXML::op_semctl; |
2978 | package PLXML::op_semop; |
2979 | package PLXML::op_require; |
2980 | package PLXML::op_dofile; |
2981 | package PLXML::op_entereval; |
2982 | |
2983 | sub ast { |
2984 | my $self = shift; |
2985 | local $::curstate; # eval {} has own statement sequence |
2986 | return $self->SUPER::ast(@_); |
2987 | } |
2988 | |
2989 | package PLXML::op_leaveeval; |
2990 | package PLXML::op_entertry; |
2991 | package PLXML::op_leavetry; |
2992 | |
2993 | sub ast { |
2994 | my $self = shift; |
2995 | |
2996 | return $self->PLXML::op_leave::ast(@_); |
2997 | } |
2998 | |
2999 | package PLXML::op_ghbyname; |
3000 | package PLXML::op_ghbyaddr; |
3001 | package PLXML::op_ghostent; |
3002 | package PLXML::op_gnbyname; |
3003 | package PLXML::op_gnbyaddr; |
3004 | package PLXML::op_gnetent; |
3005 | package PLXML::op_gpbyname; |
3006 | package PLXML::op_gpbynumber; |
3007 | package PLXML::op_gprotoent; |
3008 | package PLXML::op_gsbyname; |
3009 | package PLXML::op_gsbyport; |
3010 | package PLXML::op_gservent; |
3011 | package PLXML::op_shostent; |
3012 | package PLXML::op_snetent; |
3013 | package PLXML::op_sprotoent; |
3014 | package PLXML::op_sservent; |
3015 | package PLXML::op_ehostent; |
3016 | package PLXML::op_enetent; |
3017 | package PLXML::op_eprotoent; |
3018 | package PLXML::op_eservent; |
3019 | package PLXML::op_gpwnam; |
3020 | package PLXML::op_gpwuid; |
3021 | package PLXML::op_gpwent; |
3022 | package PLXML::op_spwent; |
3023 | package PLXML::op_epwent; |
3024 | package PLXML::op_ggrnam; |
3025 | package PLXML::op_ggrgid; |
3026 | package PLXML::op_ggrent; |
3027 | package PLXML::op_sgrent; |
3028 | package PLXML::op_egrent; |
3029 | package PLXML::op_getlogin; |
3030 | package PLXML::op_syscall; |
3031 | package PLXML::op_lock; |
3032 | package PLXML::op_threadsv; |
3033 | package PLXML::op_setstate; |
3034 | package PLXML::op_method_named; |
3035 | |
3036 | sub ast { |
3037 | my $self = shift; |
3038 | return $self->madness('O'); |
3039 | } |
3040 | |
3041 | package PLXML::op_dor; |
3042 | |
3043 | sub astnull { |
3044 | my $self = shift; |
3045 | $self->PLXML::op_or::astnull(@_); |
3046 | } |
3047 | |
3048 | package PLXML::op_dorassign; |
3049 | package PLXML::op_custom; |
3050 | |