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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; |
6a28abbc |
13 | |
14 | use P5AST; |
15 | use P5re; |
16 | |
17 | my $dowarn = 0; |
18 | my $YAML = 0; |
19 | my $deinterpolate; |
20 | |
cbe583b9 |
21 | while (@ARGV and $ARGV[0] =~ /^-./) { |
6a28abbc |
22 | my $switch = shift; |
23 | if ($switch eq '-w') { |
24 | $dowarn = 1; |
25 | } |
26 | elsif ($switch eq '-Y') { |
27 | $YAML = 1; |
28 | } |
29 | elsif ($switch eq '-d') { |
30 | $deinterpolate = 1; |
31 | } |
32 | else { |
33 | die "Unrecognized switch: -$switch"; |
34 | } |
35 | } |
36 | |
37 | @ARGV = ('foo.xml') unless @ARGV; |
38 | my $filename = shift; |
39 | |
40 | $::curstate = 0; |
41 | $::prevstate = 0; |
42 | $::curenc = 1; # start in iso-8859-1, sigh... |
43 | |
44 | $::H = "HeredocHere000"; |
45 | %::H = (); |
46 | |
47 | my @enc = ( |
48 | 'utf-8', |
49 | 'iso-8859-1', |
50 | ); |
51 | |
52 | my %enc = ( |
53 | 'utf-8' => 0, |
54 | 'iso-8859-1' => 1, |
55 | ); |
56 | |
57 | my %madtype = ( |
58 | '$' => 'p5::sigil', |
59 | '@' => 'p5::sigil', |
60 | '%' => 'p5::sigil', |
61 | '&' => 'p5::sigil', |
62 | '*' => 'p5::sigil', |
63 | 'o' => 'p5::operator', |
64 | '~' => 'p5::operator', |
65 | '+' => 'p5::punct', |
66 | '?' => 'p5::punct', |
67 | ':' => 'p5::punct', |
68 | ',' => 'p5::punct', |
69 | ';' => 'p5::punct', |
70 | '#' => 'p5::punct', |
71 | '(' => 'p5::opener', |
72 | ')' => 'p5::closer', |
73 | '[' => 'p5::opener', |
74 | ']' => 'p5::closer', |
75 | '{' => 'p5::opener', |
76 | '}' => 'p5::closer', |
77 | '1' => 'p5::punct', |
78 | '2' => 'p5::punct', |
79 | 'a' => 'p5::operator', |
80 | 'A' => 'p5::operator', |
81 | 'd' => 'p5::declarator', |
82 | 'E' => 'p5::text', |
83 | 'L' => 'p5::label', |
84 | 'm' => 'p5::remod', |
85 | # 'n' => 'p5::name', |
86 | 'q' => 'p5::openquote', |
87 | 'Q' => 'p5::closequote', |
88 | '=' => 'p5::text', |
89 | 'R' => 'p5::text', |
90 | 's' => 'p5::text', |
91 | 's' => 'p5::declarator', |
92 | # 'V' => 'p5::version', |
93 | 'X' => 'p5::token', |
94 | ); |
95 | |
96 | $SIG{__DIE__} = sub { |
97 | my $e = shift; |
98 | $e =~ s/\n$/\n [NODE $filename line $::prevstate->{line}]/ if $::prevstate; |
99 | confess $e; |
100 | }; |
101 | |
102 | use Data::Dumper; |
103 | $Data::Dumper::Indent = 1; |
104 | $Data::Dumper::Quotekeys = 0; |
105 | |
106 | sub d { |
107 | my $text = Dumper(@_); |
108 | # doesn't scale well, alas |
109 | 1 while $text =~ s/(.*)^([^\n]*)bless\( \{\n(.*?)^(\s*\}), '([^']*)' \)([^\n]*)/$1$2$5 {\n$3$4$6 # $5/ms; |
110 | $text =~ s/PLXML:://g; |
111 | if ($text) { |
112 | my ($package, $filename, $line) = caller; |
113 | my $subroutine = (caller(1))[3]; |
114 | $text =~ s/\n?\z/, called from $subroutine, line $line\n/; |
115 | warn $text; |
116 | } |
117 | }; |
118 | |
119 | { |
120 | |
121 | my %xmlrepl = ( |
122 | '&' => '&', |
123 | "'" => ''', |
124 | '"' => '&dquo;', |
125 | '<' => '<', |
126 | '>' => '>', |
127 | "\n" => ' ', |
128 | "\t" => '	', |
129 | ); |
130 | |
131 | sub x { |
132 | my $indent = 0; |
133 | if (@_ > 1) { |
134 | warn xdolist($indent,"LIST",@_); |
135 | } |
136 | else { |
137 | my $type = ref $_[0]; |
138 | if ($type) { |
139 | warn xdoitem($indent,$type,@_); |
140 | } |
141 | else { |
142 | warn xdoitem($indent,"ITEM",@_); |
143 | } |
144 | } |
145 | } |
146 | |
147 | sub xdolist { |
148 | my $indent = shift; |
149 | my $tag = shift; |
150 | my $in = ' ' x ($indent * 2); |
151 | my $result; |
152 | $result .= "$in<$tag>\n" if defined $tag; |
153 | for my $it (@_) { |
154 | my $itt = ref $it || "ITEM"; |
155 | $itt =~ s/::/:/g; |
156 | $result .= xdoitem($indent+1,$itt,$it); |
157 | } |
158 | $result .= "$in</$tag>\n" if defined $tag; |
159 | return $result; |
160 | } |
161 | |
162 | sub xdohash { |
163 | my $indent = shift; |
164 | my $tag = shift; |
165 | my $hash = shift; |
166 | my $in = ' ' x ($indent * 2); |
167 | my $result = "$in<$tag>\n"; |
168 | my @keys = sort keys %$hash; |
169 | my $longest = 0; |
170 | for my $k (@keys) { |
171 | $longest = length($k) if length($k) > $longest; |
172 | } |
173 | my $K; |
174 | for my $k (@keys) { |
175 | my $tmp; |
176 | $K = $$hash{$k}, next if $k eq 'Kids'; |
177 | my $sp = ' ' x ($longest - length($k)); |
178 | if (ref $$hash{$k}) { |
179 | $tmp = xdoitem($indent+1,"kv",$$hash{$k}); |
180 | $tmp =~ s!^ *<kv>\n *</kv>!$in <kv/>!; |
181 | } |
182 | else { |
183 | $tmp = xdoitem($indent+1,"kv",$$hash{$k}); |
184 | } |
185 | $k =~ s/([\t\n'"<>&])/$xmlrepl{$1}/g; |
186 | $tmp =~ s/<kv/<kv k='$k'$sp/ or |
187 | $tmp =~ s/^(.*)$/$in <kv k='$k'>\n$in $1$in <\/kv>\n/s; |
188 | $result .= $tmp; |
189 | } |
190 | if ($K and @$K) { |
191 | $result .= xdolist($indent, undef, @$K); |
192 | } |
193 | $result .= "$in</$tag>\n"; |
194 | } |
195 | |
196 | sub xdoitem { |
197 | my $indent = shift; |
198 | my $tag = shift; |
199 | my $item = shift; |
200 | my $in = ' ' x ($indent * 2); |
201 | my $r = ref $item; |
202 | if (not $r) { |
203 | $item =~ s/([\t\n'"<>&])/$xmlrepl{$1}/g; |
204 | return "$in<$tag>$item</$tag>\n"; |
205 | } |
206 | (my $newtag = $r) =~ s/::/:/g; |
207 | my $t = "$item"; |
208 | if ($t =~ /\bARRAY\b/) { |
209 | if (@{$item}) { |
210 | return xdolist($indent,$tag,@{$item}); |
211 | } |
212 | else { |
213 | return "$in<$tag />\n"; |
214 | } |
215 | } |
216 | if ($t =~ /\bHASH\b/) { |
217 | return xdohash($indent,$tag,$item); |
218 | } |
219 | if ($r =~ /^p5::/) { |
220 | return "$in<$newtag>$$item</$newtag>\n"; |
221 | } |
222 | else { |
223 | return "$in<$newtag type='$r'/>\n"; |
224 | } |
225 | } |
226 | |
227 | my %trepl = ( |
228 | "'" => '\\\'', |
229 | '"' => '\\"', |
230 | "\n" => '\\n', |
231 | "\t" => '\\t', |
232 | ); |
233 | |
234 | sub t { |
235 | my $indent = 0; |
236 | if (@_ > 1) { |
237 | tdolist($indent,"LIST",@_); |
238 | } |
239 | else { |
240 | my $type = ref $_[0]; |
241 | if ($type) { |
242 | tdoitem($indent,$type,@_); |
243 | } |
244 | else { |
245 | tdoitem($indent,"ITEM",@_); |
246 | } |
247 | } |
248 | print STDERR "\n"; |
249 | } |
250 | |
251 | sub tdolist { |
252 | my $indent = shift; |
253 | my $tag = shift || "ARRAY"; |
254 | my $in = ' ' x ($indent * 2); |
255 | if (@_) { |
256 | print STDERR "[\n"; |
257 | for my $it (@_) { |
258 | my $itt = ref $it || "ITEM"; |
259 | print STDERR $in," "; |
260 | tdoitem($indent+1,$itt,$it); |
261 | print STDERR "\n"; |
262 | } |
263 | print STDERR "$in]"; |
264 | } |
265 | else { |
266 | print STDERR "[]"; |
267 | } |
268 | } |
269 | |
270 | sub tdohash { |
271 | my $indent = shift; |
272 | my $tag = shift; |
273 | my $hash = shift; |
274 | my $in = ' ' x ($indent * 2); |
275 | |
276 | print STDERR "$tag => {\n"; |
277 | |
278 | my @keys = sort keys %$hash; |
279 | my $longest = 0; |
280 | for my $k (@keys) { |
281 | $longest = length($k) if length($k) > $longest; |
282 | } |
283 | my $K; |
284 | for my $k (@keys) { |
285 | my $sp = ' ' x ($longest - length($k)); |
286 | print STDERR "$in $k$sp => "; |
287 | tdoitem($indent+1,"",$$hash{$k}); |
288 | if ($k eq 'Kids') { |
289 | print STDERR " # Kids"; |
290 | } |
291 | print STDERR "\n"; |
292 | } |
293 | print STDERR "$in} # $tag"; |
294 | } |
295 | |
296 | sub tdoitem { |
297 | my $indent = shift; |
298 | my $tag = shift; |
299 | my $item = shift; |
300 | if (not defined $item) { |
301 | print STDERR "UNDEF"; |
302 | return; |
303 | } |
304 | # my $in = ' ' x ($indent * 2); |
305 | my $r = ref $item; |
306 | if (not $r) { |
307 | $item =~ s/([\t\n"])/$trepl{$1}/g; |
308 | print STDERR "\"$item\""; |
309 | return; |
310 | } |
311 | my $t = "$item"; |
312 | if ($r =~ /^p5::/) { |
313 | my $str = $$item{uni}; |
314 | my $enc = $enc[$$item{enc}] . ' '; |
315 | $enc =~ s/iso-8859-1 //; |
316 | $str =~ s/([\t\n"])/$trepl{$1}/g; |
317 | print STDERR "$r $enc\"$str\""; |
318 | } |
319 | elsif ($t =~ /\bARRAY\b/) { |
320 | tdolist($indent,$tag,@{$item}); |
321 | } |
322 | elsif ($t =~ /\bHASH\b/) { |
323 | tdohash($indent,$tag,$item); |
324 | } |
325 | else { |
326 | print STDERR "$r type='$r'"; |
327 | } |
328 | } |
329 | } |
330 | |
331 | sub encnum { |
332 | my $encname = shift; |
333 | if (not exists $enc{$encname}) { |
334 | push @enc, $encname; |
335 | return $enc{$encname} = $#enc; |
336 | } |
337 | return $enc{$encname}; |
338 | } |
339 | |
340 | use PLXML; |
341 | |
342 | use XML::Parser; |
343 | my $p1 = new XML::Parser(Style => 'Objects', Pkg => 'PLXML'); |
344 | $p1->setHandlers('Char' => sub { warn "Chars $_[1]" if $_[1] =~ /\S/; }); |
345 | |
346 | # First slurp XML into tree of objects. |
347 | |
348 | my $root = $p1->parsefile($filename); |
349 | |
350 | # Now turn XML tree into something more like an AST. |
351 | |
352 | PLXML::prepreproc($root->[0]); |
353 | my $ast = P5AST->new('Kids' => [$root->[0]->ast()]); |
354 | #::t($ast); |
355 | |
356 | if ($YAML) { |
357 | require YAML::Syck; |
358 | print YAML::Syck::Dump($ast); |
359 | exit; |
360 | } |
361 | |
362 | # Finally, walk AST to produce new program. |
363 | |
364 | my $text = $ast->p5text(); # returns encoded, must output raw |
365 | print $text; |
366 | |
367 | package p5::text; |
368 | |
369 | use Encode; |
370 | |
371 | sub new { |
372 | my $class = shift; |
373 | my $text = shift; |
374 | die "Too many args to new" if @_; |
375 | die "Attempt to bless non-text $text" if ref $text; |
376 | return bless( { uni => $text, |
377 | enc => $::curenc, |
378 | }, $class); |
379 | } |
380 | |
381 | sub uni { my $self = shift; $$self{uni}; } # internal stuff all in utf8 |
382 | |
383 | sub enc { |
384 | my $self = shift; |
385 | my $enc = $enc[$$self{enc} || 0]; |
386 | return encode($enc, $$self{uni}); |
387 | } |
388 | |
389 | package p5::closequote; BEGIN { @p5::closequote::ISA = 'p5::punct'; } |
390 | package p5::closer; BEGIN { @p5::closer::ISA = 'p5::punct'; } |
391 | package p5::declarator; BEGIN { @p5::declarator::ISA = 'p5::token'; } |
392 | package p5::junk; BEGIN { @p5::junk::ISA = 'p5::text'; } |
393 | package p5::label; BEGIN { @p5::label::ISA = 'p5::token'; } |
394 | #package p5::name; BEGIN { @p5::name::ISA = 'p5::token'; } |
395 | package p5::opener; BEGIN { @p5::opener::ISA = 'p5::punct'; } |
396 | package p5::openquote; BEGIN { @p5::openquote::ISA = 'p5::punct'; } |
397 | package p5::operator; BEGIN { @p5::operator::ISA = 'p5::token'; } |
398 | package p5::punct; BEGIN { @p5::punct::ISA = 'p5::token'; } |
399 | package p5::remod; BEGIN { @p5::remod::ISA = 'p5::token'; } |
400 | package p5::sigil; BEGIN { @p5::sigil::ISA = 'p5::punct'; } |
401 | package p5::token; BEGIN { @p5::token::ISA = 'p5::text'; } |
402 | #package p5::version; BEGIN { @p5::version::ISA = 'p5::token'; } |
403 | |
404 | ################################################################ |
405 | # Routines to turn XML tree into an AST. Mostly this amounts to hoisting |
406 | # misplaced nodes and flattening various things into lists. |
407 | |
408 | package PLXML; |
409 | |
410 | sub AUTOLOAD { |
411 | ::x("AUTOLOAD $PLXML::AUTOLOAD", @_); |
412 | return "[[[ $PLXML::AUTOLOAD ]]]"; |
413 | } |
414 | |
415 | sub prepreproc { |
416 | my $self = shift; |
417 | my $kids = $$self{Kids}; |
418 | $self->{mp} = {}; |
419 | if (defined $kids) { |
420 | my $i; |
421 | for ($i = 0; $i < @$kids; $i++) { |
422 | if (ref $kids->[$i] eq "PLXML::madprops") { |
423 | $self->{mp} = splice(@$kids, $i, 1)->hash($self,@_); |
424 | $i--; |
425 | next; |
426 | } |
427 | else { |
428 | prepreproc($kids->[$i], $self, @_); |
429 | } |
430 | } |
431 | } |
432 | } |
433 | |
434 | sub preproc { |
435 | my $self = shift; |
436 | if (ref $self eq 'PLXML::op_null' and $$self{was}) { |
437 | return "PLXML::op_$$self{was}"->key(); |
438 | } |
439 | else { |
440 | return $self->key(); |
441 | } |
442 | } |
443 | |
444 | sub newtype { |
445 | my $self = shift; |
446 | my $t = ref $self || $self; |
447 | $t = "PLXML::op_$$self{was}" if $t eq 'PLXML::op_null' and $$self{was}; |
448 | $t =~ s/PLXML/P5AST/ or die "Bad type: $t"; |
449 | return $t; |
450 | } |
451 | |
452 | sub madness { |
453 | my $self = shift; |
454 | my @keys = split(' ', shift); |
455 | my @vals = (); |
456 | for my $key (@keys) { |
457 | my $madprop = $self->{mp}{$key}; |
458 | next unless defined $madprop; |
459 | if (ref $madprop eq 'PLXML::mad_op') { |
460 | if ($key eq 'b') { |
461 | push @vals, $madprop->blockast($self, @_); |
462 | } |
463 | else { |
464 | push @vals, $madprop->ast($self, @_); |
465 | } |
466 | next; |
467 | } |
468 | my $white; |
469 | if ($white = $self->{mp}{"_$key"}) { |
470 | push @vals, p5::junk->new($white); |
471 | } |
472 | my $type = $madtype{$key} || "p5::token"; |
473 | push @vals, $type->new($madprop); |
474 | if ($white = $self->{mp}{"#$key"}) { |
475 | push @vals, p5::junk->new($white); |
476 | } |
477 | } |
478 | @vals; |
479 | } |
480 | |
481 | sub blockast { |
482 | my $self = shift; |
483 | $self->ast(@_); |
484 | } |
485 | |
486 | sub ast { |
487 | my $self = shift; |
488 | |
489 | my @newkids; |
490 | for my $kid (@{$$self{Kids}}) { |
491 | push @newkids, $kid->ast($self, @_); |
492 | } |
493 | return $self->newtype->new(Kids => [uc $self->key(), "(", @newkids, ")"]); |
494 | } |
495 | |
496 | sub op { |
497 | my $self = shift; |
498 | my $desc = $self->desc(); |
499 | if ($desc =~ /\((.*?)\)/) { |
500 | return $1; |
501 | } |
502 | else { |
503 | return " <<" . $self->key() . ">> "; |
504 | } |
505 | } |
506 | |
507 | sub mp { |
508 | my $self = shift; |
509 | return $self->{mp}; |
510 | } |
511 | |
512 | package PLXML::Characters; |
513 | |
514 | sub ast { die "oops" } |
515 | sub pair { die "oops" } |
516 | |
517 | package PLXML::madprops; |
518 | |
519 | sub ast { |
520 | die "oops madprops"; |
521 | } |
522 | |
523 | sub hash { |
524 | my $self = shift; |
525 | my @pairs; |
526 | my %hash = (); |
527 | my $firstthing = ''; |
528 | my $lastthing = ''; |
529 | |
530 | # We need to guarantee key uniqueness at this point. |
531 | for my $kid (@{$$self{Kids}}) { |
532 | my ($k,$v) = $kid->pair($self, @_); |
533 | $firstthing ||= $k; |
534 | if ($k =~ /^[_#]$/) { # rekey whitespace according to preceding entry |
535 | $k .= $lastthing; # (which is actually the token the whitespace is before) |
536 | } |
537 | else { |
538 | $k .= 'x' while exists $hash{$k}; |
539 | $lastthing = $k; |
540 | } |
541 | $hash{$k} = $v; |
542 | } |
543 | $hash{FIRST} = $firstthing; |
544 | $hash{LAST} = $lastthing; |
545 | return \%hash; |
546 | } |
547 | |
548 | package PLXML::mad_op; |
549 | |
550 | sub pair { |
551 | my $self = shift; |
552 | my $key = $$self{key}; |
553 | return $key,$self; |
554 | } |
555 | |
556 | sub ast { |
557 | my $self = shift; |
558 | $self->prepreproc(@_); |
559 | my @vals; |
560 | for my $kid (@{$$self{Kids}}) { |
561 | push @vals, $kid->ast($self, @_); |
562 | } |
563 | if (@vals == 1) { |
564 | return @vals; |
565 | } |
566 | else { |
567 | return P5AST::op_list->new(Kids => [@vals]); |
568 | } |
569 | } |
570 | |
571 | sub blockast { |
572 | my $self = shift; |
573 | $self->prepreproc(@_); |
574 | my @vals; |
575 | for my $kid (@{$$self{Kids}}) { |
576 | push @vals, $kid->blockast($self, @_); |
577 | } |
578 | if (@vals == 1) { |
579 | return @vals; |
580 | } |
581 | else { |
582 | return P5AST::op_lineseq->new(Kids => [@vals]); |
583 | } |
584 | } |
585 | |
586 | package PLXML::mad_pv; |
587 | |
588 | sub pair { |
589 | my $self = shift; |
590 | my $key = $$self{key}; |
591 | my $val = $$self{val}; |
592 | $val =~ s/STUPIDXML\(#x(\w+)\)/chr(hex $1)/eg; |
593 | return $key,$val; |
594 | } |
595 | |
596 | package PLXML::mad_sv; |
597 | |
598 | sub pair { |
599 | my $self = shift; |
600 | my $key = $$self{key}; |
601 | my $val = $$self{val}; |
602 | $val =~ s/STUPIDXML\(#x(\w+)\)/chr(hex $1)/eg; |
603 | return $key,$val; |
604 | } |
605 | |
606 | package PLXML::baseop; |
607 | |
608 | sub ast { |
609 | my $self = shift; |
610 | |
611 | my @retval; |
612 | my @newkids; |
613 | push @retval, $self->madness('M ox'); |
614 | for my $kid (@{$$self{Kids}}) { |
615 | push @newkids, $kid->ast($self, @_); |
616 | } |
617 | if (@newkids) { |
618 | push @retval, uc $self->key(), "(", @newkids , ")"; |
619 | } |
620 | else { |
621 | push @retval, $self->madness('o ( )'); |
622 | } |
623 | return $self->newtype->new(Kids => [@retval]); |
624 | } |
625 | |
626 | package PLXML::baseop_unop; |
627 | |
628 | sub ast { |
629 | my $self = shift; |
630 | my @newkids = $self->madness('d M ox o ('); |
631 | |
632 | if (exists $$self{Kids}) { |
633 | my $arg = $$self{Kids}[0]; |
634 | push @newkids, $arg->ast($self, @_) if defined $arg; |
635 | } |
636 | push @newkids, $self->madness(')'); |
637 | |
638 | return $self->newtype()->new(Kids => [@newkids]); |
639 | } |
640 | |
641 | package PLXML::binop; |
642 | |
643 | sub ast { |
644 | my $self = shift; |
645 | my @newkids; |
646 | |
647 | push @newkids, $self->madness('M ox'); |
648 | |
649 | my $left = $$self{Kids}[0]; |
650 | push @newkids, $left->ast($self, @_); |
651 | |
652 | push @newkids, $self->madness('o'); |
653 | |
654 | my $right = $$self{Kids}[1]; |
655 | if (defined $right) { |
656 | push @newkids, $right->ast($self, @_); |
657 | } |
658 | |
659 | return $self->newtype->new(Kids => [@newkids]); |
660 | } |
661 | |
662 | package PLXML::cop; |
663 | |
664 | package PLXML::filestatop; |
665 | |
666 | sub ast { |
667 | my $self = shift; |
668 | |
669 | my @newkids = $self->madness('o ('); |
670 | |
671 | if (@{$$self{Kids}}) { |
672 | for my $kid (@{$$self{Kids}}) { |
673 | push @newkids, $kid->ast($self, @_); |
674 | } |
675 | } |
676 | if ($$self{mp}{O}) { |
677 | push @newkids, $self->madness('O'); |
678 | } |
679 | push @newkids, $self->madness(')'); |
680 | |
681 | return $self->newtype->new(Kids => [@newkids]); |
682 | } |
683 | |
684 | package PLXML::listop; |
685 | |
686 | sub ast { |
687 | my $self = shift; |
688 | |
689 | my @retval; |
690 | my @before; |
691 | my @after; |
692 | if (@before = $self->madness('M')) { |
693 | push @before, $self->madness('ox'); # o is the function name |
694 | } |
695 | if (@retval = $self->madness('X')) { |
696 | push @before, $self->madness('o x'); |
697 | return P5AST::listop->new(Kids => [@before,@retval]); |
698 | } |
699 | |
cbe583b9 |
700 | push @retval, $self->madness('o ( [ {'); |
6a28abbc |
701 | |
702 | my @newkids; |
703 | for my $kid (@{$$self{Kids}}) { |
704 | next if ref $kid eq 'PLXML::op_pushmark'; |
705 | next if ref $kid eq 'PLXML::op_null' and |
706 | defined $$kid{was} and $$kid{was} eq 'pushmark'; |
707 | push @newkids, $kid->ast($self, @_); |
708 | } |
709 | |
710 | my $x = ""; |
711 | |
712 | if ($$self{mp}{S}) { |
713 | push @retval, $self->madness('S'); |
714 | } |
715 | push @retval, @newkids; |
716 | |
cbe583b9 |
717 | push @retval, $self->madness('} ] )'); |
6a28abbc |
718 | return $self->newtype->new(Kids => [@before,@retval,@after]); |
719 | } |
720 | |
721 | package PLXML::logop; |
722 | |
723 | sub ast { |
724 | my $self = shift; |
725 | |
726 | my @newkids; |
727 | push @newkids, $self->madness('o ('); |
728 | for my $kid (@{$$self{Kids}}) { |
729 | push @newkids, $kid->ast($self, @_); |
730 | } |
731 | push @newkids, $self->madness(')'); |
732 | return $self->newtype->new(Kids => [@newkids]); |
733 | } |
734 | |
735 | package PLXML::loop; |
736 | |
737 | package PLXML::loopexop; |
738 | |
739 | sub ast { |
740 | my $self = shift; |
741 | my @newkids = $self->madness('o ('); |
742 | |
743 | if ($$self{mp}{L} or not $$self{flags} =~ /\bSPECIAL\b/) { |
744 | my @label = $self->madness('L'); |
745 | if (@label) { |
746 | push @newkids, @label; |
747 | } |
748 | else { |
749 | my $arg = $$self{Kids}[0]; |
750 | push @newkids, $arg->ast($self, @_) if defined $arg; |
751 | } |
752 | } |
753 | push @newkids, $self->madness(')'); |
754 | |
755 | return $self->newtype->new(Kids => [@newkids]); |
756 | } |
757 | |
758 | |
759 | package PLXML::padop; |
760 | |
761 | package PLXML::padop_svop; |
762 | |
763 | package PLXML::pmop; |
764 | |
765 | sub ast { |
766 | my $self = shift; |
767 | |
768 | return P5AST::pmop->new(Kids => []) unless exists $$self{flags}; |
769 | |
770 | my $bits = $self->fetchbits($$self{flags},@_); |
771 | |
772 | my @newkids; |
773 | if ($bits->{binding}) { |
774 | push @newkids, $bits->{binding}; |
775 | push @newkids, $self->madness('~'); |
776 | } |
777 | if (exists $bits->{regcomp} and $bits->{regcomp}) { |
778 | my @front = $self->madness('q'); |
779 | my @back = $self->madness('Q'); |
780 | push @newkids, @front, $bits->{regcomp}, @back, |
781 | $self->madness('m'); |
782 | } |
783 | elsif ($$self{mp}{q}) { |
784 | push @newkids, $self->madness('q = Q m'); |
785 | } |
786 | elsif ($$self{mp}{X}) { |
787 | push @newkids, $self->madness('X m'); |
788 | } |
789 | else { |
790 | push @newkids, $self->madness('e m'); |
791 | } |
792 | |
793 | return $self->newtype->new(Kids => [@newkids]); |
794 | } |
795 | |
796 | sub innerpmop { |
797 | my $pmop = shift; |
798 | my $bits = shift; |
799 | for my $key (grep {!/^Kids/} keys %$pmop) { |
800 | $bits->{$key} = $pmop->{$key}; |
801 | } |
802 | |
803 | # Have to delete all the fake evals of the repl. This is a pain... |
804 | if (@{$$pmop{Kids}}) { |
805 | my $really = $$pmop{Kids}[0]{Kids}[0]; |
806 | if (ref $really eq 'PLXML::op_substcont') { |
807 | $really = $$really{Kids}[0]; |
808 | } |
809 | while ((ref $really) =~ /^PLXML::op_.*(null|entereval)/) { |
810 | if (exists $$really{was}) { |
811 | $bits->{repl} = $really->ast(@_); |
812 | return; |
813 | } |
814 | $really = $$really{Kids}[0]; |
815 | } |
816 | if (ref $really eq 'PLXML::op_scope' and |
817 | @{$$really{Kids}} == 1 and |
818 | ref $$really{Kids}[0] eq 'PLXML::op_null' and |
819 | not @{$$really{Kids}[0]{Kids}}) |
820 | { |
821 | $bits->{repl} = ''; |
822 | return; |
823 | } |
824 | if (ref $really eq 'PLXML::op_leave' and |
825 | @{$$really{Kids}} == 2 and |
826 | ref $$really{Kids}[1] eq 'PLXML::op_null' and |
827 | not @{$$really{Kids}[1]{Kids}}) |
828 | { |
829 | $bits->{repl} = ''; |
830 | return; |
831 | } |
832 | if ((ref $really) =~ /^PLXML::op_(scope|leave)/) { |
833 | # should be at inner do {...} here, so skip that fakery too |
834 | $bits->{repl} = $really->newtype->new(Kids => [$really->PLXML::op_lineseq::lineseq(@_)]); |
835 | # but retrieve the whitespace before fake '}' |
836 | if ($$really{mp}{'_}'}) { |
837 | push(@{$bits->{repl}->{Kids}}, p5::junk->new($$really{mp}{'_}'})); |
838 | } |
839 | } |
840 | else { # something else, padsv probably |
841 | $bits->{repl} = $really->ast(@_); |
842 | } |
843 | } |
844 | } |
845 | |
846 | sub fetchbits { |
847 | my $self = shift; |
848 | my $flags = shift || ''; |
849 | my %bits = %$self; |
850 | my @kids = @{$$self{Kids}}; |
851 | if (@kids) { |
852 | delete $bits{Kids}; |
853 | my $arg = shift @kids; |
854 | innerpmop($arg,\%bits, $self, @_); |
855 | if ($flags =~ /STACKED/) { |
856 | $arg = shift @kids; |
857 | $bits{binding} = $arg->ast($self, @_); |
858 | } |
859 | if ($bits{when} ne "COMP" and @kids) { |
860 | $arg = pop @kids; |
861 | $bits{regcomp} = $arg->ast($self, @_); |
862 | } |
863 | if (not exists $bits{repl} and @kids) { |
864 | $arg = shift @kids; |
865 | $bits{repl} = $arg->ast($self, @_); |
866 | } |
867 | } |
868 | return \%bits; |
869 | } |
870 | |
871 | package PLXML::pvop_svop; |
872 | |
873 | package PLXML::unop; |
874 | |
875 | sub ast { |
876 | my $self = shift; |
877 | my @newkids = $self->madness('o ('); |
878 | |
879 | if (exists $$self{Kids}) { |
880 | my $arg = $$self{Kids}[0]; |
881 | push @newkids, $arg->ast($self, @_) if defined $arg; |
882 | } |
883 | push @newkids, $self->madness(')'); |
884 | |
885 | return $self->newtype->new(Kids => [@newkids]); |
886 | } |
887 | |
888 | package PLXML; |
889 | package PLXML::Characters; |
890 | package PLXML::madprops; |
891 | package PLXML::mad_op; |
892 | package PLXML::mad_pv; |
893 | package PLXML::baseop; |
894 | package PLXML::baseop_unop; |
895 | package PLXML::binop; |
896 | package PLXML::cop; |
897 | package PLXML::filestatop; |
898 | package PLXML::listop; |
899 | package PLXML::logop; |
900 | package PLXML::loop; |
901 | package PLXML::loopexop; |
902 | package PLXML::padop; |
903 | package PLXML::padop_svop; |
904 | package PLXML::pmop; |
905 | package PLXML::pvop_svop; |
906 | package PLXML::unop; |
907 | package PLXML::op_null; |
908 | |
909 | # Null nodes typed by first madprop. |
910 | |
911 | my %astmad; |
912 | |
913 | BEGIN { |
914 | %astmad = ( |
915 | 'p' => sub { # peg for #! line, etc. |
916 | my $self = shift; |
917 | my @newkids; |
918 | push @newkids, $self->madness('p px'); |
919 | $::curstate = 0; |
920 | return P5AST::peg->new(Kids => [@newkids]) |
921 | }, |
922 | '(' => sub { # extra parens around the whole thing |
923 | my $self = shift; |
924 | my @newkids; |
925 | push @newkids, $self->madness('dx d o ('); |
926 | for my $kid (@{$$self{Kids}}) { |
927 | push @newkids, $kid->ast($self, @_); |
928 | } |
929 | push @newkids, $self->madness(')'); |
930 | return P5AST::parens->new(Kids => [@newkids]) |
931 | }, |
932 | '~' => sub { # binding operator |
933 | my $self = shift; |
934 | my @newkids; |
935 | push @newkids, $$self{Kids}[0]->ast($self,@_); |
936 | push @newkids, $self->madness('~'); |
937 | push @newkids, $$self{Kids}[1]->ast($self,@_); |
938 | return P5AST::bindop->new(Kids => [@newkids]) |
939 | }, |
940 | ';' => sub { # null statements/blocks |
941 | my $self = shift; |
942 | my @newkids; |
943 | push @newkids, $self->madness('{ ; }'); |
944 | $::curstate = 0; |
945 | return P5AST::nothing->new(Kids => [@newkids]) |
946 | }, |
947 | 'I' => sub { # if or unless statement keyword |
948 | my $self = shift; |
949 | my @newkids; |
950 | push @newkids, $self->madness('L I ('); |
951 | my @subkids; |
952 | for my $kid (@{$$self{Kids}}) { |
953 | push @subkids, $kid->ast($self, @_); |
954 | } |
955 | die "oops in op_null->new" unless @subkids == 1; |
956 | my $newself = $subkids[0]; |
957 | @subkids = @{$$newself{Kids}}; |
958 | |
959 | unshift @{$subkids[0]{Kids}}, @newkids; |
960 | push @{$subkids[0]{Kids}}, $self->madness(')'); |
961 | return bless($newself, 'P5AST::condstate'); |
962 | }, |
963 | 'U' => sub { # use |
964 | my $self = shift; |
965 | my @newkids; |
966 | my @module = $self->madness('U'); |
967 | my @args = $self->madness('A'); |
968 | my $module = $module[-1]{Kids}[-1]; |
969 | if ($module->uni eq 'bytes') { |
970 | $::curenc = ::encnum('iso-8859-1'); |
971 | } |
972 | elsif ($module->uni eq 'utf8') { |
973 | if ($$self{mp}{o} eq 'no') { |
974 | $::curenc = ::encnum('iso-8859-1'); |
975 | } |
976 | else { |
977 | $::curenc = ::encnum('utf-8'); |
978 | } |
979 | } |
980 | elsif ($module->uni eq 'encoding') { |
981 | if ($$self{mp}{o} eq 'no') { |
982 | $::curenc = ::encnum('iso-8859-1'); |
983 | } |
984 | else { |
985 | $::curenc = ::encnum(eval $args[0]->p5text); # XXX bletch |
986 | } |
987 | } |
988 | # (Surrounding {} ends up here if use is only thing in block.) |
989 | push @newkids, $self->madness('{ o'); |
990 | push @newkids, @module; |
991 | push @newkids, $self->madness('V'); |
992 | push @newkids, @args; |
993 | push @newkids, $self->madness('S ; }'); |
994 | $::curstate = 0; |
995 | return P5AST::use->new(Kids => [@newkids]) |
996 | }, |
997 | '?' => sub { # ternary |
998 | my $self = shift; |
999 | my @newkids; |
1000 | my @subkids; |
1001 | my @condkids = @{$$self{Kids}[0]{Kids}}; |
1002 | |
1003 | push @newkids, $condkids[0]->ast($self,@_), $self->madness('?'); |
1004 | push @newkids, $condkids[1]->ast($self,@_), $self->madness(':'); |
1005 | push @newkids, $condkids[2]->ast($self,@_); |
1006 | return P5AST::ternary->new(Kids => [@newkids]) |
1007 | }, |
1008 | '&' => sub { # subroutine |
1009 | my $self = shift; |
1010 | my @newkids; |
1011 | push @newkids, $self->madness('d n s a : { & } ;'); |
1012 | $::curstate = 0; |
1013 | return P5AST::sub->new(Kids => [@newkids]) |
1014 | }, |
1015 | 'i' => sub { # modifier if |
1016 | my $self = shift; |
1017 | my @newkids; |
1018 | push @newkids, $self->madness('i'); |
1019 | my $cond = $$self{Kids}[0]; |
1020 | my @subkids; |
1021 | for my $kid (@{$$cond{Kids}}) { |
1022 | push @subkids, $kid->ast($self, @_); |
1023 | } |
1024 | push @newkids, shift @subkids; |
1025 | unshift @newkids, @subkids; |
1026 | return P5AST::condmod->new(Kids => [@newkids]) |
1027 | }, |
1028 | 'P' => sub { # package declaration |
1029 | my $self = shift; |
1030 | my @newkids; |
1031 | push @newkids, $self->madness('o'); |
1032 | push @newkids, $self->madness('P'); |
1033 | push @newkids, $self->madness(';'); |
1034 | $::curstate = 0; |
1035 | return P5AST::package->new(Kids => [@newkids]) |
1036 | }, |
1037 | 'F' => sub { # format |
1038 | my $self = shift; |
1039 | my @newkids = $self->madness('F n b'); |
1040 | $::curstate = 0; |
1041 | return P5AST::format->new(Kids => [@newkids]) |
1042 | }, |
1043 | 'x' => sub { # qw literal |
1044 | my $self = shift; |
1045 | return P5AST::qwliteral->new(Kids => [$self->madness('x')]) |
1046 | }, |
1047 | 'q' => sub { # random quote |
1048 | my $self = shift; |
1049 | return P5AST::quote->new(Kids => [$self->madness('q = Q')]) |
1050 | }, |
1051 | 'X' => sub { # random literal |
1052 | my $self = shift; |
1053 | return P5AST::token->new(Kids => [$self->madness('X')]) |
1054 | }, |
1055 | ':' => sub { # attr list |
1056 | my $self = shift; |
1057 | return P5AST::attrlist->new(Kids => [$self->madness(':')]) |
1058 | }, |
1059 | ',' => sub { # "unary ," so to speak |
1060 | my $self = shift; |
1061 | my @newkids; |
1062 | push @newkids, $self->madness(','); |
1063 | push @newkids, $$self{Kids}[0]->ast($self,@_); |
1064 | return P5AST::listelem->new(Kids => [@newkids]) |
1065 | }, |
1066 | 'C' => sub { # constant conditional |
1067 | my $self = shift; |
1068 | my @newkids; |
1069 | push @newkids, $$self{Kids}[0]->ast($self,@_); |
1070 | my @folded = $self->madness('C'); |
1071 | if (@folded) { |
1072 | my @t = $self->madness('t'); |
1073 | my @e = $self->madness('e'); |
1074 | if (@e) { |
1075 | return P5AST::op_cond_expr->new( |
1076 | Kids => [ |
1077 | $self->madness('I ('), |
1078 | @folded, |
1079 | $self->madness(') ?'), |
1080 | P5AST::op_cond_expr->new(Kids => [@newkids]), |
1081 | $self->madness(':'), |
1082 | @e |
1083 | ] ); |
1084 | } |
1085 | else { |
1086 | return P5AST::op_cond_expr->new( |
1087 | Kids => [ |
1088 | $self->madness('I ('), |
1089 | @folded, |
1090 | $self->madness(') ?'), |
1091 | @t, |
1092 | $self->madness(':'), |
1093 | @newkids |
1094 | ] ); |
1095 | } |
1096 | } |
1097 | return P5AST::op_null->new(Kids => [@newkids]) |
1098 | }, |
1099 | '+' => sub { # unary + |
1100 | my $self = shift; |
1101 | my @newkids; |
1102 | push @newkids, $self->madness('+'); |
1103 | push @newkids, $$self{Kids}[0]->ast($self,@_); |
1104 | return P5AST::preplus->new(Kids => [@newkids]) |
1105 | }, |
1106 | 'D' => sub { # do block |
1107 | my $self = shift; |
1108 | my @newkids; |
1109 | push @newkids, $self->madness('D'); |
1110 | push @newkids, $$self{Kids}[0]->ast($self,@_); |
1111 | return P5AST::doblock->new(Kids => [@newkids]) |
1112 | }, |
1113 | '3' => sub { # C-style for loop |
1114 | my $self = shift; |
1115 | my @newkids; |
1116 | |
1117 | # What a mess! |
1118 | my (undef, $init, $lineseq) = @{$$self{Kids}[0]{Kids}}; |
1119 | my (undef, $leaveloop) = @{$$lineseq{Kids}}; |
1120 | my (undef, $null) = @{$$leaveloop{Kids}}; |
1121 | my $and; |
1122 | my $cond; |
1123 | my $lineseq2; |
1124 | my $block; |
1125 | my $cont; |
1126 | if (exists $$null{was} and $$null{was} eq 'and') { |
1127 | ($lineseq2) = @{$$null{Kids}}; |
1128 | } |
1129 | else { |
1130 | ($and) = @{$$null{Kids}}; |
1131 | ($cond, $lineseq2) = @{$$and{Kids}}; |
1132 | } |
1133 | if ($$lineseq2{mp}{'{'}) { |
1134 | $block = $lineseq2; |
1135 | } |
1136 | else { |
1137 | ($block, $cont) = @{$$lineseq2{Kids}}; |
1138 | } |
1139 | |
1140 | push @newkids, $self->madness('L 3 ('); |
1141 | push @newkids, $init->ast($self,@_); |
1142 | push @newkids, $self->madness('1'); |
1143 | if (defined $cond) { |
1144 | push @newkids, $cond->ast($self,@_); |
1145 | } |
1146 | elsif (defined $null) { |
1147 | push @newkids, $null->madness('1'); |
1148 | } |
1149 | push @newkids, $self->madness('2'); |
1150 | if (defined $cont) { |
1151 | push @newkids, $cont->ast($self,@_); |
1152 | } |
1153 | push @newkids, $self->madness(')'); |
1154 | push @newkids, $block->blockast($self,@_); |
1155 | $::curstate = 0; |
1156 | return P5AST::cfor->new(Kids => [@newkids]) |
1157 | }, |
1158 | 'o' => sub { # random useless operator |
1159 | my $self = shift; |
1160 | my @newkids; |
1161 | push @newkids, $self->madness('o'); |
1162 | my $kind = $newkids[-1] || ''; |
1163 | $kind = $kind->uni if ref $kind; |
1164 | my @subkids; |
1165 | for my $kid (@{$$self{Kids}}) { |
1166 | push @subkids, $kid->ast($self, @_); |
1167 | } |
1168 | if ($kind eq '=') { # stealth readline |
1169 | unshift(@newkids, shift(@subkids)); |
1170 | push(@newkids, @subkids); |
1171 | return P5AST::op_aassign->new(Kids => [@newkids]) |
1172 | } |
1173 | else { |
1174 | my $newself = $subkids[0]; |
1175 | splice(@{$newself->{Kids}}, 1, 0, |
1176 | $self->madness('ox ('), |
1177 | @newkids, |
1178 | $self->madness(')') |
1179 | ); |
1180 | return $newself; |
1181 | } |
1182 | }, |
1183 | ); |
1184 | } |
1185 | |
1186 | # Null nodes are an untyped mess inside Perl. Instead of fixing it there, |
1187 | # we derive an effective type either from the "was" field or the first madprop. |
1188 | # (The individual routines select the actual new type.) |
1189 | |
1190 | sub ast { |
1191 | my $self = shift; |
1192 | my $was = $$self{was} || 'peg'; |
1193 | my $mad = $$self{mp}{FIRST} || "unknown"; |
1194 | |
1195 | # First try for a "was". |
1196 | my $meth = "PLXML::op_${was}::astnull"; |
1197 | if (exists &{$meth}) { |
1198 | return $self->$meth(@_); |
1199 | } |
1200 | |
1201 | # Look at first madprop. |
1202 | if (exists $astmad{$mad}) { |
1203 | return $astmad{$mad}->($self); |
1204 | } |
1205 | warn "No mad $mad" unless $mad eq 'unknown'; |
1206 | |
1207 | # Do something generic. |
1208 | my @newkids; |
1209 | for my $kid (@{$$self{Kids}}) { |
1210 | push @newkids, $kid->ast($self, @_); |
1211 | } |
1212 | return $self->newtype->new(Kids => [@newkids]); |
1213 | } |
1214 | |
1215 | sub blockast { |
1216 | my $self = shift; |
1217 | local $::curstate; |
1218 | local $::curenc = $::curenc; |
1219 | return $self->madness('{ ; }'); |
1220 | } |
1221 | |
1222 | package PLXML::op_stub; |
1223 | |
1224 | sub ast { |
1225 | my $self = shift; |
1226 | return $self->newtype->new(Kids => [$self->madness(', x ( ) q = Q')]); |
1227 | } |
1228 | |
1229 | package PLXML::op_scalar; |
1230 | |
1231 | sub ast { |
1232 | my $self = shift; |
1233 | |
1234 | my @pre = $self->madness('o q'); |
1235 | my $op = pop @pre; |
1236 | if ($op->uni =~ /^<</) { |
1237 | my @newkids; |
1238 | my $opstub = bless { start => $op }, 'P5AST::heredoc'; |
1239 | push @newkids, $opstub; |
1240 | push @newkids, $self->madness('('); |
1241 | |
1242 | my @kids = @{$$self{Kids}}; |
1243 | |
1244 | my @divert; |
1245 | for my $kid (@kids) { |
1246 | next if ref $kid eq 'PLXML::op_pushmark'; |
1247 | next if ref $kid eq 'PLXML::op_null' and |
1248 | defined $$kid{was} and $$kid{was} eq 'pushmark'; |
1249 | push @divert, $kid->ast($self, @_); |
1250 | } |
1251 | $opstub->{doc} = P5AST::op_list->new(Kids => [@divert]); |
1252 | $opstub->{end} = ($self->madness('Q'))[-1]; |
1253 | |
1254 | push @newkids, $self->madness(')'); |
1255 | |
1256 | return $self->newtype->new(Kids => [@pre,@newkids]); |
1257 | } |
1258 | return $self->PLXML::baseop_unop::ast(); |
1259 | } |
1260 | |
1261 | package PLXML::op_pushmark; |
1262 | |
1263 | sub ast { () } |
1264 | |
1265 | package PLXML::op_wantarray; |
1266 | package PLXML::op_const; |
1267 | |
1268 | sub astnull { |
1269 | my $self = shift; |
1270 | my @newkids; |
1271 | return unless $$self{mp}; |
1272 | push @newkids, $self->madness('q = Q X : f O ( )'); |
1273 | return P5AST::op_const->new(Kids => [@newkids]); |
1274 | } |
1275 | |
1276 | sub ast { |
1277 | my $self = shift; |
1278 | return unless %{$$self{mp}}; |
1279 | |
1280 | my @before; |
1281 | |
1282 | my $const; |
1283 | my @args = $self->madness('f'); |
1284 | if (@args) { |
1285 | } |
1286 | elsif (exists $self->{mp}{q}) { |
1287 | push @args, $self->madness('d q'); |
1288 | if ($args[-1]->uni =~ /^<</) { |
1289 | my $opstub = bless { start => pop(@args) }, 'P5AST::heredoc'; |
1290 | $opstub->{doc} = P5AST::op_const->new(Kids => [$self->madness('=')]); |
1291 | $opstub->{end} = ($self->madness('Q'))[-1]; |
1292 | push @args, $opstub; |
1293 | } |
1294 | else { |
1295 | push @args, $self->madness('= Q'); |
1296 | } |
1297 | } |
1298 | elsif (exists $self->{mp}{X}) { |
1299 | push @before, $self->madness('d'); # was local $[ probably |
1300 | if (not $$self{mp}{O}) { |
1301 | push @before, $self->madness('o'); # was unary |
1302 | } |
1303 | my @X = $self->madness(': X'); |
1304 | if (exists $$self{private} and $$self{private} =~ /BARE/) { |
1305 | return $self->newtype->new(Kids => [@X]); |
1306 | } |
1307 | my $X = pop @X; |
1308 | push @before, @X; |
1309 | @args = ( |
1310 | $self->madness('x'), |
1311 | $X); |
1312 | if ($$self{mp}{O}) { |
1313 | push @args, $self->madness('o O'); |
1314 | } |
1315 | } |
1316 | elsif (exists $self->{mp}{O}) { |
1317 | push @args, $self->madness('O'); |
1318 | } |
1319 | elsif ($$self{private} =~ /\bBARE\b/) { |
1320 | @args = ($$self{PV}); |
1321 | } |
1322 | elsif (exists $$self{mp}{o}) { |
1323 | @args = $self->madness('o'); |
1324 | } |
1325 | elsif (exists $$self{PV}) { |
1326 | @args = ('"', $$self{PV}, '"'); |
1327 | } |
1328 | elsif (exists $$self{NV}) { |
1329 | @args = $$self{NV}; |
1330 | } |
1331 | elsif (exists $$self{IV}) { |
1332 | @args = $$self{IV}; |
1333 | } |
1334 | else { |
1335 | @args = $self->SUPER::text(@_); |
1336 | } |
1337 | return $self->newtype->new(Kids => [@before, @args]); |
1338 | } |
1339 | |
1340 | |
1341 | package PLXML::op_gvsv; |
1342 | |
1343 | sub ast { |
1344 | my $self = shift; |
1345 | my @args; |
1346 | my @retval; |
1347 | for my $attr (qw/gv GV flags/) { |
1348 | if (exists $$self{$attr}) { |
1349 | push @args, $attr, $$self{$attr}; |
1350 | } |
1351 | } |
1352 | push @retval, @args; |
1353 | push @retval, $self->madness('X'); |
1354 | return $self->newtype->new(Kids => [@retval]); |
1355 | } |
1356 | |
1357 | package PLXML::op_gv; |
1358 | |
1359 | sub ast { |
1360 | my $self = shift; |
1361 | my @newkids; |
1362 | push @newkids, $self->madness('X K'); |
1363 | |
1364 | return $self->newtype->new(Kids => [@newkids]); |
1365 | } |
1366 | |
1367 | package PLXML::op_gelem; |
1368 | |
1369 | sub ast { |
1370 | my $self = shift; |
1371 | |
1372 | local $::curstate; # in case there are statements in subscript |
1373 | local $::curenc = $::curenc; |
1374 | my @newkids; |
1375 | push @newkids, $self->madness('dx d'); |
1376 | for my $kid (@{$$self{Kids}}) { |
1377 | push @newkids, $kid->ast($self, @_); |
1378 | } |
1379 | splice @newkids, -1, 0, $self->madness('o {'); |
1380 | push @newkids, $self->madness('}'); |
1381 | |
1382 | return $self->newtype->new(Kids => [@newkids]); |
1383 | } |
1384 | |
1385 | package PLXML::op_padsv; |
1386 | |
1387 | sub ast { |
1388 | my $self = shift; |
1389 | my @args; |
1390 | push @args, $self->madness('dx d ( $ )'); |
1391 | |
1392 | return $self->newtype->new(Kids => [@args]); |
1393 | } |
1394 | |
1395 | package PLXML::op_padav; |
1396 | |
1397 | sub astnull { ast(@_) } |
1398 | |
1399 | sub ast { |
1400 | my $self = shift; |
1401 | my @retval; |
1402 | push @retval, $self->madness('dx d ('); |
1403 | push @retval, $self->madness('$ @'); |
1404 | push @retval, $self->madness(') o O'); |
1405 | return $self->newtype->new(Kids => [@retval]); |
1406 | } |
1407 | |
1408 | package PLXML::op_padhv; |
1409 | |
1410 | sub astnull { ast(@_) } |
1411 | |
1412 | sub ast { |
1413 | my $self = shift; |
1414 | my @retval; |
1415 | push @retval, $self->madness('dx d ('); |
1416 | push @retval, $self->madness('$ @ %'); |
1417 | push @retval, $self->madness(') o O'); |
1418 | return $self->newtype->new(Kids => [@retval]); |
1419 | } |
1420 | |
1421 | package PLXML::op_padany; |
1422 | |
1423 | package PLXML::op_pushre; |
1424 | |
1425 | sub ast { |
1426 | my $self = shift; |
1427 | if ($$self{mp}{q}) { |
1428 | return $self->madness('q = Q m'); |
1429 | } |
1430 | if ($$self{mp}{X}) { |
1431 | return $self->madness('X m'); |
1432 | } |
1433 | if ($$self{mp}{e}) { |
1434 | return $self->madness('e m'); |
1435 | } |
1436 | return $$self{Kids}[1]->ast($self,@_), $self->madness('m'); |
1437 | } |
1438 | |
1439 | package PLXML::op_rv2gv; |
1440 | |
1441 | sub ast { |
1442 | my $self = shift; |
1443 | |
1444 | my @newkids; |
1445 | push @newkids, $self->madness('dx d ( * $'); |
1446 | push @newkids, $$self{Kids}[0]->ast(); |
1447 | push @newkids, $self->madness(')'); |
1448 | return $self->newtype->new(Kids => [@newkids]); |
1449 | } |
1450 | |
1451 | package PLXML::op_rv2sv; |
1452 | |
1453 | sub astnull { |
1454 | my $self = shift; |
1455 | return P5AST::op_rv2sv->new(Kids => [$self->madness('O o dx d ( $ ) : a')]); |
1456 | } |
1457 | |
1458 | sub ast { |
1459 | my $self = shift; |
1460 | |
1461 | my @newkids; |
1462 | push @newkids, $self->madness('dx d ( $'); |
1463 | if (ref $$self{Kids}[0] ne "PLXML::op_gv") { |
1464 | push @newkids, $$self{Kids}[0]->ast(); |
1465 | } |
1466 | push @newkids, $self->madness(') : a'); |
1467 | return $self->newtype->new(Kids => [@newkids]); |
1468 | } |
1469 | |
1470 | package PLXML::op_av2arylen; |
1471 | |
1472 | sub ast { |
1473 | my $self = shift; |
1474 | |
1475 | my @newkids; |
1476 | push @newkids, $$self{Kids}[0]->madness('l'); |
1477 | push @newkids, $$self{Kids}[0]->ast(); |
1478 | return $self->newtype->new(Kids => [@newkids]); |
1479 | } |
1480 | |
1481 | package PLXML::op_rv2cv; |
1482 | |
1483 | sub astnull { |
1484 | my $self = shift; |
1485 | my @newkids; |
1486 | push @newkids, $self->madness('X'); |
1487 | return @newkids if @newkids; |
1488 | if (exists $$self{mp}{'&'}) { |
1489 | push @newkids, $self->madness('&'); |
1490 | if (@{$$self{Kids}}) { |
1491 | push @newkids, $$self{Kids}[0]->ast(@_); |
1492 | } |
1493 | } |
1494 | else { |
1495 | push @newkids, $$self{Kids}[0]->ast(@_); |
1496 | } |
1497 | return P5AST::op_rv2cv->new(Kids => [@newkids]); |
1498 | } |
1499 | |
1500 | sub ast { |
1501 | my $self = shift; |
1502 | |
1503 | my @newkids; |
1504 | push @newkids, $self->madness('&'); |
1505 | if (@{$$self{Kids}}) { |
1506 | push @newkids, $$self{Kids}[0]->ast(); |
1507 | } |
1508 | return $self->newtype->new(Kids => [@newkids]); |
1509 | } |
1510 | |
1511 | package PLXML::op_anoncode; |
1512 | |
1513 | sub ast { |
1514 | my $self = shift; |
1515 | my $arg = $$self{Kids}[0]; |
1516 | local $::curstate; # hide nested statements in sub |
1517 | local $::curenc = $::curenc; |
1518 | if (defined $arg) { |
1519 | return $arg->ast(@_); |
1520 | } |
1521 | return ';'; # XXX literal ; should come through somewhere |
1522 | } |
1523 | |
1524 | package PLXML::op_prototype; |
1525 | package PLXML::op_refgen; |
1526 | |
1527 | sub ast { |
1528 | my $self = shift; |
1529 | my @newkids = $self->madness('o s a'); |
1530 | |
1531 | if (exists $$self{Kids}) { |
1532 | my $arg = $$self{Kids}[0]; |
1533 | push @newkids, $arg->ast($self, @_) if defined $arg; |
1534 | } |
1535 | |
1536 | my $res = $self->newtype->new(Kids => [@newkids]); |
1537 | return $res; |
1538 | } |
1539 | |
1540 | package PLXML::op_srefgen; |
1541 | |
1542 | sub ast { |
1543 | my @newkids; |
1544 | my $self = shift; |
1545 | if ($$self{mp}{FIRST} eq '{') { |
1546 | local $::curstate; # this is officially a block, so hide it |
1547 | local $::curenc = $::curenc; |
1548 | push @newkids, $self->madness('{'); |
1549 | for my $kid (@{$$self{Kids}}) { |
1550 | push @newkids, $kid->ast($self, @_); |
1551 | } |
1552 | push @newkids, $self->madness('; }'); |
1553 | return P5AST::op_stringify->new(Kids => [@newkids]); |
1554 | } |
1555 | else { |
1556 | push @newkids, $self->madness('o ['); |
1557 | for my $kid (@{$$self{Kids}}) { |
1558 | push @newkids, $kid->ast($self, @_); |
1559 | } |
1560 | push @newkids, $self->madness(']'); |
1561 | return P5AST::op_stringify->new(Kids => [@newkids]); |
1562 | } |
1563 | } |
1564 | |
1565 | package PLXML::op_ref; |
1566 | package PLXML::op_bless; |
1567 | package PLXML::op_backtick; |
1568 | |
1569 | sub ast { |
1570 | my $self = shift; |
1571 | my @args; |
1572 | if (exists $self->{mp}{q}) { |
1573 | push @args, $self->madness('q'); |
1574 | if ($args[-1]->uni =~ /^<</) { |
1575 | my $opstub = bless { start => $args[-1] }, 'P5AST::heredoc'; |
1576 | $args[-1] = $opstub; |
1577 | $opstub->{doc} = P5AST::op_const->new(Kids => [$self->madness('=')]); |
1578 | $opstub->{end} = ($self->madness('Q'))[-1]; |
1579 | } |
1580 | else { |
1581 | push @args, $self->madness('= Q'); |
1582 | } |
1583 | } |
1584 | return $self->newtype->new(Kids => [@args]); |
1585 | } |
1586 | |
1587 | package PLXML::op_glob; |
1588 | |
1589 | sub astnull { |
1590 | my $self = shift; |
1591 | my @retval = $self->madness('o q = Q'); |
1592 | if (not @retval or $retval[-1]->uni eq 'glob') { |
1593 | push @retval, $self->madness('('); |
1594 | push @retval, $$self{Kids}[0]->ast($self,@_); |
1595 | push @retval, $self->madness(')'); |
1596 | } |
1597 | return P5AST::op_glob->new(Kids => [@retval]); |
1598 | } |
1599 | |
1600 | package PLXML::op_readline; |
1601 | |
1602 | sub astnull { |
1603 | my $self = shift; |
1604 | my @retval; |
1605 | if (exists $$self{mp}{q}) { |
1606 | @retval = $self->madness('q = Q'); |
1607 | } |
1608 | elsif (exists $$self{mp}{X}) { |
1609 | @retval = $self->madness('X'); |
1610 | } |
1611 | return P5AST::op_readline->new(Kids => [@retval]); |
1612 | } |
1613 | |
1614 | sub ast { |
1615 | my $self = shift; |
1616 | |
1617 | my @retval; |
1618 | |
1619 | my @args; |
1620 | my $const; |
1621 | if (exists $$self{mp}{q}) { |
1622 | @args = $self->madness('q = Q'); |
1623 | } |
1624 | elsif (exists $$self{mp}{X}) { |
1625 | @args = $self->madness('X'); |
1626 | } |
1627 | elsif (exists $$self{GV}) { |
1628 | @args = $$self{IV}; |
1629 | } |
1630 | elsif (@{$$self{Kids}}) { |
1631 | @args = $self->PLXML::unop::ast(@_); |
1632 | } |
1633 | else { |
1634 | @args = $self->SUPER::text(@_); |
1635 | } |
1636 | return $self->newtype->new(Kids => [@retval,@args]); |
1637 | } |
1638 | |
1639 | |
1640 | package PLXML::op_rcatline; |
1641 | package PLXML::op_regcmaybe; |
1642 | package PLXML::op_regcreset; |
1643 | package PLXML::op_regcomp; |
1644 | |
1645 | sub ast { |
1646 | my $self = shift; |
1647 | $self->PLXML::unop::ast(@_); |
1648 | } |
1649 | |
1650 | package PLXML::op_match; |
1651 | |
1652 | sub ast { |
1653 | my $self = shift; |
1654 | my $retval = $self->SUPER::ast(@_); |
1655 | my $p5re; |
1656 | if (not $p5re = $retval->p5text()) { |
1657 | $retval = $self->newtype->new(Kids => [$self->madness('X q = Q m')]); |
1658 | $p5re = $retval->p5text(); |
1659 | } |
1660 | if ($deinterpolate) { |
1661 | $retval->{P5re} = P5re::qrparse($p5re); |
1662 | } |
1663 | return $retval; |
1664 | } |
1665 | |
1666 | package PLXML::op_qr; |
1667 | |
1668 | sub ast { |
1669 | my $self = shift; |
1670 | my $retval; |
1671 | if (exists $$self{flags}) { |
1672 | $retval = $self->SUPER::ast(@_); |
1673 | } |
1674 | else { |
1675 | $retval = $self->newtype->new(Kids => [$self->madness('X q = Q m')]); |
1676 | } |
1677 | if ($deinterpolate) { |
1678 | my $p5re = $retval->p5text(); |
1679 | $retval->{P5re} = P5re::qrparse($p5re); |
1680 | } |
1681 | return $retval; |
1682 | } |
1683 | |
1684 | package PLXML::op_subst; |
1685 | |
1686 | sub ast { |
1687 | my $self = shift; |
1688 | |
1689 | my $bits = $self->fetchbits($$self{flags},@_); |
1690 | |
1691 | my @newkids; |
1692 | if ($bits->{binding}) { |
1693 | push @newkids, $bits->{binding}; |
1694 | push @newkids, $self->madness('~'); |
1695 | } |
1696 | my $X = p5::token->new($$self{mp}{X}); |
1697 | my @lfirst = $self->madness('q'); |
1698 | my @llast = $self->madness('Q'); |
1699 | push @newkids, |
1700 | @lfirst, |
1701 | $self->madness('E'), # XXX s/b e probably |
1702 | @llast; |
1703 | my @rfirst = $self->madness('z'); |
1704 | my @rlast = $self->madness('Z'); |
1705 | my @mods = $self->madness('m'); |
1706 | if ($rfirst[-1]->uni ne $llast[-1]->uni) { |
1707 | push @newkids, @rfirst; |
1708 | } |
1709 | |
1710 | push @newkids, $bits->{repl}, @rlast, @mods; |
1711 | |
1712 | my $retval = $self->newtype->new(Kids => [@newkids]); |
1713 | if ($deinterpolate) { |
1714 | my $p5re = $retval->p5text(); |
1715 | $retval->{P5re} = P5re::qrparse($p5re); |
1716 | } |
1717 | return $retval; |
1718 | } |
1719 | |
1720 | package PLXML::op_substcont; |
1721 | package PLXML::op_trans; |
1722 | |
1723 | sub ast { |
1724 | my $self = shift; |
1725 | |
1726 | # my $bits = $self->fetchbits($$self{flags},@_); |
1727 | # |
1728 | my @newkids; |
1729 | my @lfirst = $self->madness('q'); |
1730 | my @llast = $self->madness('Q'); |
1731 | push @newkids, |
1732 | @lfirst, |
1733 | $self->madness('E'), |
1734 | @llast; |
1735 | my @rfirst = $self->madness('z'); |
1736 | my @repl = $self->madness('R'); |
1737 | my @rlast = $self->madness('Z'); |
1738 | my @mods = $self->madness('m'); |
1739 | if ($rfirst[-1]->uni ne $llast[-1]->uni) { |
1740 | push @newkids, @rfirst; |
1741 | } |
1742 | |
1743 | push @newkids, @repl, @rlast, @mods; |
1744 | |
1745 | my $res = $self->newtype->new(Kids => [@newkids]); |
1746 | return $res; |
1747 | } |
1748 | |
1749 | package PLXML::op_sassign; |
1750 | |
1751 | sub ast { |
1752 | my $self = shift; |
1753 | my @newkids; |
1754 | |
1755 | my $right = $$self{Kids}[1]; |
1756 | eval { push @newkids, $right->ast($self, @_); }; |
1757 | |
1758 | push @newkids, $self->madness('o'); |
1759 | |
1760 | my $left = $$self{Kids}[0]; |
1761 | push @newkids, $left->ast($self, @_); |
1762 | |
1763 | return $self->newtype->new(Kids => [@newkids]); |
1764 | } |
1765 | |
1766 | package PLXML::op_aassign; |
1767 | |
1768 | sub astnull { ast(@_) } |
1769 | |
1770 | sub ast { |
1771 | my $self = shift; |
1772 | my @newkids; |
1773 | |
1774 | my $right = $$self{Kids}[1]; |
1775 | push @newkids, $right->ast($self, @_); |
1776 | |
1777 | push @newkids, $self->madness('o'); |
1778 | |
1779 | my $left = $$self{Kids}[0]; |
1780 | push @newkids, $left->ast($self, @_); |
1781 | |
1782 | return $self->newtype->new(Kids => [@newkids]); |
1783 | } |
1784 | |
1785 | package PLXML::op_chop; |
1786 | package PLXML::op_schop; |
1787 | package PLXML::op_chomp; |
1788 | package PLXML::op_schomp; |
1789 | package PLXML::op_defined; |
1790 | package PLXML::op_undef; |
1791 | package PLXML::op_study; |
1792 | package PLXML::op_pos; |
1793 | package PLXML::op_preinc; |
1794 | |
1795 | sub ast { |
1796 | my $self = shift; |
1797 | if ($$self{targ}) { # stealth post inc or dec |
1798 | return $self->PLXML::op_postinc::ast(@_); |
1799 | } |
1800 | return $self->SUPER::ast(@_); |
1801 | } |
1802 | |
1803 | package PLXML::op_i_preinc; |
1804 | |
1805 | sub ast { my $self = shift; $self->PLXML::op_preinc::ast(@_); } |
1806 | |
1807 | package PLXML::op_predec; |
1808 | |
1809 | sub ast { my $self = shift; $self->PLXML::op_preinc::ast(@_); } |
1810 | |
1811 | package PLXML::op_i_predec; |
1812 | |
1813 | sub ast { my $self = shift; $self->PLXML::op_preinc::ast(@_); } |
1814 | |
1815 | package PLXML::op_postinc; |
1816 | |
1817 | sub ast { |
1818 | my $self = shift; |
1819 | my @newkids; |
1820 | |
1821 | if (exists $$self{Kids}) { |
1822 | my $arg = $$self{Kids}[0]; |
1823 | push @newkids, $arg->ast($self, @_) if defined $arg; |
1824 | } |
1825 | push @newkids, $self->madness('o'); |
1826 | |
1827 | my $res = $self->newtype->new(Kids => [@newkids]); |
1828 | return $res; |
1829 | } |
1830 | |
1831 | package PLXML::op_i_postinc; |
1832 | |
1833 | sub ast { my $self = shift; $self->PLXML::op_postinc::ast(@_); } |
1834 | |
1835 | package PLXML::op_postdec; |
1836 | |
1837 | sub ast { my $self = shift; $self->PLXML::op_postinc::ast(@_); } |
1838 | |
1839 | package PLXML::op_i_postdec; |
1840 | |
1841 | sub ast { my $self = shift; $self->PLXML::op_postinc::ast(@_); } |
1842 | |
1843 | package PLXML::op_pow; |
1844 | package PLXML::op_multiply; |
1845 | package PLXML::op_i_multiply; |
1846 | package PLXML::op_divide; |
1847 | package PLXML::op_i_divide; |
1848 | package PLXML::op_modulo; |
1849 | package PLXML::op_i_modulo; |
1850 | package PLXML::op_repeat; |
1851 | |
1852 | sub ast { |
1853 | my $self = shift; |
1854 | return $self->SUPER::ast(@_) |
1855 | unless exists $$self{private} and $$self{private} =~ /DOLIST/; |
1856 | |
1857 | my $newself = $$self{Kids}[0]->ast($self,@_); |
1858 | splice @{$newself->{Kids}}, -1, 0, $self->madness('o'); |
1859 | |
1860 | return bless $newself, $self->newtype; # rebless the op_null |
1861 | } |
1862 | |
1863 | package PLXML::op_add; |
1864 | package PLXML::op_i_add; |
1865 | package PLXML::op_subtract; |
1866 | package PLXML::op_i_subtract; |
1867 | package PLXML::op_concat; |
1868 | |
1869 | sub astnull { |
1870 | my $self = shift; |
1871 | my @newkids; |
1872 | |
1873 | my @before; |
1874 | if (@before = $self->madness('M')) { |
1875 | push @before, $self->madness('ox'); # o is the . |
1876 | } |
1877 | my @after; |
1878 | my $left = $$self{Kids}[0]; |
1879 | push @newkids, $left->ast($self, @_); |
1880 | |
1881 | push @newkids, $self->madness('o'); |
1882 | |
1883 | my $right = $$self{Kids}[1]; |
1884 | push @newkids, $right->ast($self, @_); |
1885 | return P5AST::op_concat->new(Kids => [@newkids]); |
1886 | } |
1887 | |
1888 | sub ast { |
1889 | my $self = shift; |
1890 | my $parent = $_[0]; |
1891 | my @newkids; |
1892 | |
1893 | my @before; |
1894 | if (@before = $self->madness('M')) { |
1895 | push @before, $self->madness('ox'); # o is the . |
1896 | } |
1897 | my @after; |
1898 | my $left = $$self{Kids}[0]; |
1899 | push @newkids, $left->ast($self, @_); |
1900 | |
1901 | push @newkids, $self->madness('o'); |
1902 | |
1903 | my $right = $$self{Kids}[1]; |
1904 | push @newkids, $right->ast($self, @_); |
1905 | |
1906 | return $self->newtype->new(Kids => [@before, @newkids, @after]); |
1907 | } |
1908 | |
1909 | package PLXML::op_stringify; |
1910 | |
1911 | sub astnull { |
1912 | ast(@_); |
1913 | } |
1914 | |
1915 | sub ast { |
1916 | my $self = shift; |
1917 | my @newkids; |
1918 | my @front = $self->madness('q ('); |
1919 | my @back = $self->madness(') Q'); |
1920 | my @M = $self->madness('M'); |
1921 | if (@M) { |
1922 | push @newkids, $M[0], $self->madness('o'); |
1923 | } |
1924 | push @newkids, @front; |
1925 | for my $kid (@{$$self{Kids}}) { |
1926 | push @newkids, $kid->ast($self, @_); |
1927 | } |
1928 | push @newkids, @back; |
1929 | return P5AST::op_stringify->new(Kids => [@newkids]); |
1930 | } |
1931 | |
1932 | package PLXML::op_left_shift; |
1933 | package PLXML::op_right_shift; |
1934 | package PLXML::op_lt; |
1935 | package PLXML::op_i_lt; |
1936 | package PLXML::op_gt; |
1937 | package PLXML::op_i_gt; |
1938 | package PLXML::op_le; |
1939 | package PLXML::op_i_le; |
1940 | package PLXML::op_ge; |
1941 | package PLXML::op_i_ge; |
1942 | package PLXML::op_eq; |
1943 | package PLXML::op_i_eq; |
1944 | package PLXML::op_ne; |
1945 | package PLXML::op_i_ne; |
1946 | package PLXML::op_ncmp; |
1947 | package PLXML::op_i_ncmp; |
1948 | package PLXML::op_slt; |
1949 | package PLXML::op_sgt; |
1950 | package PLXML::op_sle; |
1951 | package PLXML::op_sge; |
1952 | package PLXML::op_seq; |
1953 | package PLXML::op_sne; |
1954 | package PLXML::op_scmp; |
1955 | package PLXML::op_bit_and; |
1956 | package PLXML::op_bit_xor; |
1957 | package PLXML::op_bit_or; |
1958 | package PLXML::op_negate; |
1959 | package PLXML::op_i_negate; |
1960 | package PLXML::op_not; |
1961 | |
1962 | sub ast { |
1963 | my $self = shift; |
1964 | my @newkids = $self->madness('o ('); |
1965 | my @swap; |
1966 | if (@newkids and $newkids[-1]->uni eq '!~') { |
1967 | @swap = @newkids; |
1968 | @newkids = (); |
1969 | } |
1970 | |
1971 | if (exists $$self{Kids}) { |
1972 | my $arg = $$self{Kids}[0]; |
1973 | push @newkids, $arg->ast($self, @_) if defined $arg; |
1974 | } |
1975 | if (@swap) { |
1976 | splice @{$newkids[-1][0]{Kids}}, -2, 0, @swap; # XXX WAG |
1977 | } |
1978 | push @newkids, $self->madness(')'); |
1979 | |
1980 | my $res = $self->newtype->new(Kids => [@newkids]); |
1981 | return $res; |
1982 | } |
1983 | |
1984 | package PLXML::op_complement; |
1985 | package PLXML::op_atan2; |
1986 | package PLXML::op_sin; |
1987 | package PLXML::op_cos; |
1988 | package PLXML::op_rand; |
1989 | package PLXML::op_srand; |
1990 | package PLXML::op_exp; |
1991 | package PLXML::op_log; |
1992 | package PLXML::op_sqrt; |
1993 | package PLXML::op_int; |
1994 | package PLXML::op_hex; |
1995 | package PLXML::op_oct; |
1996 | package PLXML::op_abs; |
1997 | package PLXML::op_length; |
1998 | package PLXML::op_substr; |
1999 | package PLXML::op_vec; |
2000 | package PLXML::op_index; |
2001 | package PLXML::op_rindex; |
2002 | package PLXML::op_sprintf; |
2003 | package PLXML::op_formline; |
2004 | package PLXML::op_ord; |
2005 | package PLXML::op_chr; |
2006 | package PLXML::op_crypt; |
2007 | package PLXML::op_ucfirst; |
2008 | |
2009 | sub ast { |
2010 | my $self = shift; |
2011 | return $self->PLXML::listop::ast(@_); |
2012 | } |
2013 | |
2014 | package PLXML::op_lcfirst; |
2015 | |
2016 | sub ast { |
2017 | my $self = shift; |
2018 | return $self->PLXML::listop::ast(@_); |
2019 | } |
2020 | |
2021 | package PLXML::op_uc; |
2022 | |
2023 | sub ast { |
2024 | my $self = shift; |
2025 | return $self->PLXML::listop::ast(@_); |
2026 | } |
2027 | |
2028 | package PLXML::op_lc; |
2029 | |
2030 | sub ast { |
2031 | my $self = shift; |
2032 | return $self->PLXML::listop::ast(@_); |
2033 | } |
2034 | |
2035 | package PLXML::op_quotemeta; |
2036 | |
2037 | sub ast { |
2038 | my $self = shift; |
2039 | return $self->PLXML::listop::ast(@_); |
2040 | } |
2041 | |
2042 | package PLXML::op_rv2av; |
2043 | |
2044 | sub astnull { |
2045 | my $self = shift; |
2046 | return P5AST::op_rv2av->new(Kids => [$self->madness('$ @')]); |
2047 | } |
2048 | |
2049 | sub ast { |
2050 | my $self = shift; |
2051 | |
2052 | if (ref $$self{Kids}[0] eq 'PLXML::op_const' and $$self{mp}{'O'}) { |
2053 | return $self->madness('O'); |
2054 | } |
2055 | |
2056 | my @before; |
2057 | push @before, $self->madness('dx d ('); |
2058 | |
2059 | my @newkids; |
2060 | push @newkids, $self->madness('$ @ K'); |
2061 | if (ref $$self{Kids}[0] ne "PLXML::op_gv") { |
2062 | push @newkids, $$self{Kids}[0]->ast(); |
2063 | } |
2064 | my @after; |
2065 | push @after, $self->madness(') a'); |
2066 | return $self->newtype->new(Kids => [@before, @newkids, @after]); |
2067 | } |
2068 | |
2069 | package PLXML::op_aelemfast; |
2070 | |
2071 | sub ast { |
2072 | my $self = shift; |
2073 | return $self->madness('$'); |
2074 | } |
2075 | |
2076 | package PLXML::op_aelem; |
2077 | |
2078 | sub astnull { |
2079 | my $self = shift; |
2080 | my @newkids; |
2081 | push @newkids, $self->madness('dx d'); |
2082 | for my $kid (@{$$self{Kids}}) { |
2083 | push @newkids, $kid->ast($self, @_); |
2084 | } |
2085 | splice @newkids, -1, 0, $self->madness('a ['); |
2086 | push @newkids, $self->madness(']'); |
2087 | return P5AST::op_aelem->new(Kids => [@newkids]); |
2088 | } |
2089 | |
2090 | sub ast { |
2091 | my $self = shift; |
2092 | |
2093 | my @before = $self->madness('dx d'); |
2094 | my @newkids; |
2095 | for my $kid (@{$$self{Kids}}) { |
2096 | push @newkids, $kid->ast(@_); |
2097 | } |
2098 | splice @newkids, -1, 0, $self->madness('a ['); |
2099 | push @newkids, $self->madness(']'); |
2100 | |
2101 | return $self->newtype->new(Kids => [@before, @newkids]); |
2102 | } |
2103 | |
2104 | package PLXML::op_aslice; |
2105 | |
2106 | sub astnull { |
2107 | my $self = shift; |
2108 | my @newkids; |
2109 | push @newkids, $self->madness('['); |
2110 | for my $kid (@{$$self{Kids}}) { |
2111 | push @newkids, $kid->ast(@_); |
2112 | } |
2113 | unshift @newkids, pop @newkids; |
2114 | unshift @newkids, $self->madness('dx d'); |
2115 | push @newkids, $self->madness(']'); |
2116 | return P5AST::op_aslice->new(Kids => [@newkids]); |
2117 | } |
2118 | |
2119 | sub ast { |
2120 | my $self = shift; |
2121 | |
2122 | my @newkids; |
2123 | push @newkids, $self->madness('['); |
2124 | for my $kid (@{$$self{Kids}}) { |
2125 | push @newkids, $kid->ast(@_); |
2126 | } |
2127 | unshift @newkids, pop @newkids; |
2128 | unshift @newkids, $self->madness('dx d'); |
2129 | push @newkids, $self->madness(']'); |
2130 | |
2131 | return $self->newtype->new(Kids => [@newkids]); |
2132 | } |
2133 | |
2134 | package PLXML::op_each; |
2135 | package PLXML::op_values; |
2136 | package PLXML::op_keys; |
2137 | package PLXML::op_delete; |
2138 | package PLXML::op_exists; |
2139 | package PLXML::op_rv2hv; |
2140 | |
2141 | sub astnull { |
2142 | my $self = shift; |
2143 | return P5AST::op_rv2hv->new(Kids => [$self->madness('$')]); |
2144 | } |
2145 | |
2146 | sub ast { |
2147 | my $self = shift; |
2148 | |
2149 | my @before; |
2150 | push @before, $self->madness('dx d ('); |
2151 | |
2152 | my @newkids; |
2153 | push @newkids, $self->madness('$ @ % K'); |
2154 | if (ref $$self{Kids}[0] ne "PLXML::op_gv") { |
2155 | push @newkids, $$self{Kids}[0]->ast(); |
2156 | } |
2157 | my @after; |
2158 | push @after, $self->madness(') a'); |
2159 | return $self->newtype->new(Kids => [@before, @newkids, @after]); |
2160 | } |
2161 | |
2162 | package PLXML::op_helem; |
2163 | |
2164 | sub astnull { |
2165 | my $self = shift; |
2166 | local $::curstate; # hash subscript potentially a lineseq |
2167 | local $::curenc = $::curenc; |
2168 | |
2169 | my @newkids; |
2170 | push @newkids, $self->madness('dx d'); |
2171 | for my $kid (@{$$self{Kids}}) { |
2172 | push @newkids, $kid->ast($self, @_); |
2173 | } |
2174 | splice @newkids, -1, 0, $self->madness('a {'); |
2175 | push @newkids, $self->madness('}'); |
2176 | return P5AST::op_helem->new(Kids => [@newkids]); |
2177 | } |
2178 | |
2179 | sub ast { |
2180 | my $self = shift; |
2181 | local $::curstate; # hash subscript potentially a lineseq |
2182 | local $::curenc = $::curenc; |
2183 | |
2184 | my @before = $self->madness('dx d'); |
2185 | my @newkids; |
2186 | for my $kid (@{$$self{Kids}}) { |
2187 | push @newkids, $kid->ast($self, @_); |
2188 | } |
2189 | splice @newkids, -1, 0, $self->madness('a {'); |
2190 | push @newkids, $self->madness('}'); |
2191 | |
2192 | return $self->newtype->new(Kids => [@before, @newkids]); |
2193 | } |
2194 | |
2195 | |
2196 | package PLXML::op_hslice; |
2197 | |
2198 | sub astnull { |
2199 | my $self = shift; |
2200 | my @newkids; |
2201 | push @newkids, $self->madness('{'); |
2202 | for my $kid (@{$$self{Kids}}) { |
2203 | push @newkids, $kid->ast(@_); |
2204 | } |
2205 | unshift @newkids, pop @newkids; |
2206 | unshift @newkids, $self->madness('dx d'); |
2207 | push @newkids, $self->madness('}'); |
2208 | return P5AST::op_hslice->new(Kids => [@newkids]); |
2209 | } |
2210 | |
2211 | sub ast { |
2212 | my $self = shift; |
2213 | |
2214 | my @newkids; |
2215 | push @newkids, $self->madness('{'); |
2216 | for my $kid (@{$$self{Kids}}) { |
2217 | push @newkids, $kid->ast(@_); |
2218 | } |
2219 | unshift @newkids, pop @newkids; |
2220 | unshift @newkids, $self->madness('dx d'); |
2221 | push @newkids, $self->madness('}'); |
2222 | |
2223 | return $self->newtype->new(Kids => [@newkids]); |
2224 | } |
2225 | |
2226 | package PLXML::op_unpack; |
2227 | package PLXML::op_pack; |
2228 | package PLXML::op_split; |
2229 | |
2230 | sub ast { |
2231 | my $self = shift; |
2232 | my $results = $self->SUPER::ast(@_); |
2233 | if (my @dest = $self->madness('R')) { |
2234 | return PLXML::op_aassign->newtype->new(Kids => [@dest, $self->madness('ox'), $results]); |
2235 | } |
2236 | return $results; |
2237 | } |
2238 | |
2239 | package PLXML::op_join; |
2240 | package PLXML::op_list; |
2241 | |
2242 | sub astnull { |
2243 | my $self = shift; |
2244 | my @newkids; |
2245 | my @retval; |
2246 | my @before; |
2247 | if (@retval = $self->madness('X')) { |
2248 | push @before, $self->madness('x o'); |
2249 | return @before,@retval; |
2250 | } |
2251 | my @kids = @{$$self{Kids}}; |
2252 | for my $kid (@kids) { |
2253 | next if ref $kid eq 'PLXML::op_pushmark'; |
2254 | next if ref $kid eq 'PLXML::op_null' and |
2255 | defined $$kid{was} and $$kid{was} eq 'pushmark'; |
2256 | push @newkids, $kid->ast($self, @_); |
2257 | } |
2258 | |
2259 | my $x = ""; |
2260 | my @newnewkids = (); |
2261 | push @newnewkids, $self->madness('dx d ('); |
2262 | push @newnewkids, @newkids; |
2263 | push @newnewkids, $self->madness(') :'); |
2264 | return P5AST::op_list->new(Kids => [@newnewkids]); |
2265 | } |
2266 | |
2267 | sub ast { |
2268 | my $self = shift; |
2269 | |
2270 | my @retval; |
2271 | my @before; |
2272 | if (@retval = $self->madness('X')) { |
2273 | push @before, $self->madness('o'); |
2274 | return $self->newtype->new(Kids => [@before,@retval]); |
2275 | } |
2276 | push @retval, $self->madness('dx d ('); |
2277 | |
2278 | my @newkids; |
2279 | for my $kid (@{$$self{Kids}}) { |
2280 | push @newkids, $kid->ast($self, @_); |
2281 | } |
2282 | my $x = ""; |
2283 | my @newnewkids = (); |
2284 | push @newnewkids, @newkids; |
2285 | @newkids = @newnewkids; |
2286 | push @retval, @newkids; |
2287 | push @retval, $self->madness(') :'); |
2288 | return $self->newtype->new(Kids => [@retval]); |
2289 | } |
2290 | |
2291 | package PLXML::op_lslice; |
2292 | |
2293 | sub ast { |
2294 | my $self = shift; |
2295 | my @newkids; |
2296 | |
2297 | if ($$self{mp}{q}) { |
2298 | push @newkids, $self->madness('q = Q'); |
2299 | } |
2300 | elsif ($$self{mp}{x}) { |
2301 | push @newkids, $self->madness('x'); |
2302 | } |
2303 | else { |
2304 | push @newkids, $self->madness('('); |
2305 | my $list = $$self{Kids}[1]; |
2306 | push @newkids, $list->ast($self, @_); |
2307 | push @newkids, $self->madness(')'); |
2308 | } |
2309 | |
2310 | push @newkids, $self->madness('['); |
2311 | |
2312 | my $slice = $$self{Kids}[0]; |
2313 | push @newkids, $slice->ast($self, @_); |
2314 | push @newkids, $self->madness(']'); |
2315 | |
2316 | return $self->newtype->new(Kids => [@newkids]); |
2317 | } |
2318 | |
2319 | package PLXML::op_anonlist; |
2320 | package PLXML::op_anonhash; |
2321 | package PLXML::op_splice; |
2322 | package PLXML::op_push; |
2323 | package PLXML::op_pop; |
2324 | package PLXML::op_shift; |
2325 | package PLXML::op_unshift; |
2326 | package PLXML::op_sort; |
2327 | package PLXML::op_reverse; |
2328 | |
2329 | sub astnull { |
2330 | my $self = shift; |
2331 | $self->PLXML::listop::ast(@_); |
2332 | } |
2333 | |
2334 | package PLXML::op_grepstart; |
2335 | package PLXML::op_grepwhile; |
2336 | package PLXML::op_mapstart; |
2337 | package PLXML::op_mapwhile; |
2338 | package PLXML::op_range; |
2339 | |
2340 | sub ast { |
2341 | my $self = shift; |
2342 | return $self->PLXML::binop::ast(@_); |
2343 | } |
2344 | |
2345 | package PLXML::op_flip; |
2346 | package PLXML::op_flop; |
2347 | package PLXML::op_and; |
2348 | |
2349 | sub astnull { |
2350 | my $self = shift; |
2351 | my @newkids; |
2352 | my @first = $self->madness('1'); |
2353 | my @second = $self->madness('2'); |
2354 | my @stuff = $$self{Kids}[0]->ast(); |
2355 | if (my @I = $self->madness('I')) { |
2356 | if (@second) { |
2357 | push @newkids, @I; |
2358 | push @newkids, $self->madness('('); |
2359 | push @newkids, @stuff; |
2360 | push @newkids, $self->madness(')'); |
2361 | push @newkids, @second; |
2362 | } |
2363 | else { |
2364 | push @newkids, @I; |
2365 | push @newkids, $self->madness('('); |
2366 | push @newkids, @first; |
2367 | push @newkids, $self->madness(')'); |
2368 | push @newkids, @stuff; |
2369 | } |
2370 | } |
2371 | elsif (my @i = $self->madness('i')) { |
2372 | if (@second) { |
2373 | push @newkids, @second; |
2374 | push @newkids, @i; |
2375 | push @newkids, @stuff; |
2376 | } |
2377 | else { |
2378 | push @newkids, @stuff; |
2379 | push @newkids, @i; |
2380 | push @newkids, @first; |
2381 | } |
2382 | } |
2383 | elsif (my @o = $self->madness('o')) { |
2384 | if (@second) { |
2385 | push @newkids, @stuff; |
2386 | push @newkids, @o; |
2387 | push @newkids, @second; |
2388 | } |
2389 | else { |
2390 | push @newkids, @first; |
2391 | push @newkids, @o; |
2392 | push @newkids, @stuff; |
2393 | } |
2394 | } |
2395 | return P5AST::op_and->new(Kids => [@newkids]); |
2396 | } |
2397 | |
2398 | package PLXML::op_or; |
2399 | |
2400 | sub astnull { |
2401 | my $self = shift; |
2402 | my @newkids; |
2403 | my @first = $self->madness('1'); |
2404 | my @second = $self->madness('2'); |
2405 | my @i = $self->madness('i'); |
2406 | my @stuff = $$self{Kids}[0]->ast(); |
2407 | if (@second) { |
2408 | if (@i) { |
2409 | push @newkids, @second; |
2410 | push @newkids, $self->madness('i'); |
2411 | push @newkids, @stuff; |
2412 | } |
2413 | else { |
2414 | push @newkids, @stuff; |
2415 | push @newkids, $self->madness('o'); |
2416 | push @newkids, @second; |
2417 | } |
2418 | } |
2419 | else { |
2420 | if (@i) { |
2421 | push @newkids, @stuff; |
2422 | push @newkids, $self->madness('i'); |
2423 | push @newkids, @first; |
2424 | } |
2425 | else { |
2426 | push @newkids, @first; |
2427 | push @newkids, $self->madness('o'); |
2428 | push @newkids, @stuff; |
2429 | } |
2430 | } |
2431 | return "P5AST::op_$$self{was}"->new(Kids => [@newkids]); |
2432 | } |
2433 | |
2434 | |
2435 | package PLXML::op_xor; |
2436 | package PLXML::op_cond_expr; |
2437 | package PLXML::op_andassign; |
2438 | package PLXML::op_orassign; |
2439 | package PLXML::op_method; |
2440 | package PLXML::op_entersub; |
2441 | |
2442 | sub ast { |
2443 | my $self = shift; |
2444 | |
2445 | if ($$self{mp}{q}) { |
2446 | return $self->madness('q = Q'); |
2447 | } |
2448 | if ($$self{mp}{X}) { # <FH> override? |
2449 | return $self->madness('X'); |
2450 | } |
2451 | if ($$self{mp}{A}) { |
2452 | return $self->astmethod(@_); |
2453 | } |
2454 | if ($$self{mp}{a}) { |
2455 | return $self->astarrow(@_); |
2456 | } |
2457 | |
2458 | my @retval; |
2459 | |
2460 | my @newkids; |
2461 | my @kids = @{$$self{Kids}}; |
2462 | if (@kids == 1 and ref $kids[0] eq 'PLXML::op_null' and $kids[0]{was} =~ /list/) { |
2463 | @kids = @{$kids[0]{Kids}}; |
2464 | } |
2465 | my $dest = pop @kids; |
2466 | my @dest = $dest->ast($self, @_); |
2467 | |
2468 | if (ref($dest) =~ /method/) { |
2469 | my $invocant = shift @kids; |
2470 | $invocant = shift @kids if ref($invocant) eq 'PLXML::op_pushmark'; |
2471 | my @invocant = $invocant->ast($self, @_); |
2472 | push @retval, @dest; |
2473 | push @retval, @invocant; |
2474 | } |
2475 | elsif (exists $$self{mp}{o} and $$self{mp}{o} eq 'do') { |
2476 | push @retval, $self->madness('o'); |
2477 | push @retval, @dest; |
2478 | } |
2479 | else { |
2480 | push @retval, $self->madness('o'); |
2481 | push @retval, @dest; |
2482 | } |
2483 | while (@kids) { |
2484 | my $kid = shift(@kids); |
2485 | push @newkids, $kid->ast($self, @_); |
2486 | } |
2487 | |
2488 | push @retval, $self->madness('('); |
2489 | push @retval, @newkids; |
2490 | push @retval, $self->madness(')'); |
2491 | return $self->newtype->new(Kids => [@retval]); |
2492 | } |
2493 | |
2494 | sub astmethod { |
2495 | my $self = shift; |
2496 | my @newkids; |
2497 | my @kids; |
2498 | for my $kid (@{$$self{Kids}}) { |
2499 | next if ref $kid eq 'PLXML::op_pushmark'; |
2500 | next if ref $kid eq 'PLXML::op_null' and |
2501 | defined $$kid{was} and $$kid{was} eq 'pushmark'; |
2502 | push @kids, $kid; |
2503 | } |
2504 | my @invocant; |
2505 | if ($$self{flags} =~ /\bSTACKED\b/) { |
2506 | push @invocant, shift(@kids)->ast($self, @_); |
2507 | } |
2508 | for my $kid (@kids) { |
2509 | push @newkids, $kid->ast($self, @_); |
2510 | } |
2511 | my $dest = pop(@newkids); |
2512 | if (ref $dest eq 'PLXML::op_rv2cv' and $$self{flags} =~ /\bMOD\b/) { |
2513 | $dest = pop(@newkids); |
2514 | } |
2515 | my $x = ""; |
2516 | my @retval; |
2517 | push @retval, @invocant; |
2518 | push @retval, $self->madness('A'); |
2519 | push @retval, $dest; |
2520 | push @retval, $self->madness('('); |
2521 | push @retval, @newkids; |
2522 | push @retval, $self->madness(')'); |
2523 | return $self->newtype->new(Kids => [@retval]); |
2524 | } |
2525 | |
2526 | sub astarrow { |
2527 | my $self = shift; |
2528 | my @newkids; |
2529 | my @retval; |
2530 | my @kids = @{$$self{Kids}}; |
2531 | if (@kids == 1 and ref $kids[0] eq 'PLXML::op_null' and $kids[0]{was} =~ /list/) { |
2532 | @kids = @{$kids[0]{Kids}}; |
2533 | } |
2534 | while (@kids > 1) { |
2535 | my $kid = shift(@kids); |
2536 | push @newkids, $kid->ast($self, @_); |
2537 | } |
2538 | my @dest = $kids[0]->ast($self, @_); |
2539 | my $x = ""; |
2540 | push @retval, @dest; |
2541 | push @retval, $self->madness('a'); |
2542 | push @retval, $self->madness('('); |
2543 | push @retval, @newkids; |
2544 | push @retval, $self->madness(')'); |
2545 | return $self->newtype->new(Kids => [@retval]); |
2546 | } |
2547 | |
2548 | package PLXML::op_leavesub; |
2549 | |
2550 | sub ast { |
2551 | my $self = shift; |
2552 | if (ref $$self{Kids}[0] eq "PLXML::op_null") { |
2553 | return $$self{Kids}[0]->ast(@_); |
2554 | } |
2555 | return $$self{Kids}[0]->blockast($self, @_); |
2556 | } |
2557 | |
2558 | package PLXML::op_leavesublv; |
2559 | |
2560 | sub ast { |
2561 | my $self = shift; |
2562 | |
2563 | return $$self{Kids}[0]->blockast($self, @_); |
2564 | } |
2565 | |
2566 | package PLXML::op_caller; |
2567 | package PLXML::op_warn; |
2568 | package PLXML::op_die; |
2569 | package PLXML::op_reset; |
2570 | package PLXML::op_lineseq; |
2571 | |
2572 | sub lineseq { |
2573 | my $self = shift; |
2574 | my @kids = @{$$self{Kids}}; |
2575 | local $::curstate = 0; # (probably redundant, but that's okay) |
2576 | local $::prevstate = 0; |
2577 | local $::curenc = $::curenc; |
2578 | my @retval; |
2579 | my @newstuff; |
2580 | my $newprev; |
2581 | while (@kids) { |
2582 | my $kid = shift @kids; |
2583 | my $thing = $kid->ast($self, @_); |
2584 | next unless defined $thing; |
2585 | if ($::curstate ne $::prevstate) { |
2586 | if ($::prevstate) { |
2587 | push @newstuff, $::prevstate->madness(';'); |
2588 | push @{$newprev->{Kids}}, @newstuff if $newprev; |
2589 | @newstuff = (); |
2590 | } |
2591 | $::prevstate = $::curstate; |
2592 | $newprev = $thing; |
2593 | push @retval, $thing; |
2594 | } |
2595 | elsif ($::prevstate) { |
2596 | push @newstuff, $thing; |
2597 | } |
2598 | else { |
2599 | push @retval, $thing; |
2600 | } |
2601 | } |
2602 | if ($::prevstate) { |
2603 | push @newstuff, $::prevstate->madness(';'); |
2604 | push @{$newprev->{Kids}}, @newstuff if $newprev; |
2605 | @newstuff = (); |
2606 | $::prevstate = 0; |
2607 | } |
2608 | return @retval; |
2609 | } |
2610 | |
2611 | sub blockast { |
2612 | my $self = shift; |
2613 | local $::curstate; |
2614 | |
2615 | my @retval; |
2616 | push @retval, $self->madness('{'); |
2617 | |
2618 | my @newkids = $self->PLXML::op_lineseq::lineseq(@_); |
2619 | push @retval, @newkids; |
2620 | |
2621 | push @retval, $self->madness('; }'); |
2622 | return $self->newtype->new(Kids => [@retval]); |
2623 | } |
2624 | |
2625 | package PLXML::op_nextstate; |
2626 | |
2627 | sub newtype { return "P5AST::statement" } |
2628 | |
2629 | sub astnull { |
2630 | my $self = shift; |
2631 | my @newkids; |
2632 | push @newkids, $self->madness('L'); |
2633 | $::curstate = $self; |
2634 | return P5AST::statement->new(Kids => [@newkids]); |
2635 | } |
2636 | |
2637 | sub ast { |
2638 | my $self = shift; |
2639 | |
2640 | my @newkids; |
2641 | push @newkids, $self->madness('L'); |
2642 | $::curstate = $self; |
2643 | return $self->newtype->new(Kids => [@newkids]); |
2644 | } |
2645 | |
2646 | |
2647 | package PLXML::op_dbstate; |
2648 | package PLXML::op_unstack; |
2649 | package PLXML::op_enter; |
2650 | |
2651 | sub ast { () } |
2652 | |
2653 | package PLXML::op_leave; |
2654 | |
2655 | sub astnull { |
2656 | ast(@_); |
2657 | } |
2658 | |
2659 | sub ast { |
2660 | my $self = shift; |
2661 | |
2662 | my $mad = $$self{mp}{FIRST} || "unknown"; |
2663 | |
2664 | my @retval; |
2665 | if ($mad eq 'w') { |
2666 | my @newkids; |
2667 | my @tmpkids; |
2668 | push @tmpkids, $self->{Kids}; |
2669 | my $anddo = $$self{Kids}[-1]{Kids}[0]{Kids}; |
2670 | eval { push @newkids, $anddo->[1]->ast($self,@_); }; |
2671 | push @newkids, "[[[NOANDDO]]]" if $@; |
2672 | push @newkids, $self->madness('w'); |
2673 | push @newkids, $anddo->[0]->ast($self,@_); |
2674 | |
2675 | return $self->newtype->new(Kids => [@newkids]); |
2676 | } |
2677 | |
2678 | local $::curstate; |
2679 | push @retval, $self->madness('o {'); |
2680 | |
2681 | my @newkids = $self->PLXML::op_lineseq::lineseq(@_); |
2682 | push @retval, @newkids; |
2683 | push @retval, $self->madness(q/; }/); |
2684 | my $retval = $self->newtype->new(Kids => [@retval]); |
2685 | |
2686 | if ($$self{mp}{C}) { |
2687 | my @before; |
2688 | my @after; |
2689 | push @before, $self->madness('I ( C )'); |
2690 | if ($$self{mp}{t}) { |
2691 | push @before, $self->madness('t'); |
2692 | } |
2693 | elsif ($$self{mp}{e}) { |
2694 | push @after, $self->madness('e'); |
2695 | } |
2696 | return P5AST::op_cond->new(Kids => [@before, $retval, @after]); |
2697 | } |
2698 | else { |
2699 | return $retval; |
2700 | } |
2701 | } |
2702 | |
2703 | package PLXML::op_scope; |
2704 | |
2705 | sub ast { |
2706 | my $self = shift; |
2707 | local $::curstate; |
2708 | |
2709 | my @newkids; |
2710 | push @newkids, $self->madness('o'); |
2711 | |
2712 | push @newkids, $self->madness('{'); |
2713 | push @newkids, $self->PLXML::op_lineseq::lineseq(@_); |
2714 | push @newkids, $self->madness('; }'); |
2715 | |
2716 | my @folded = $self->madness('C'); |
2717 | if (@folded) { |
2718 | my @t = $self->madness('t'); |
2719 | my @e = $self->madness('e'); |
2720 | if (@e) { |
2721 | return $self->newtype->new( |
2722 | Kids => [ |
2723 | $self->madness('I ('), |
2724 | @folded, |
2725 | $self->madness(')'), |
2726 | $self->newtype->new(Kids => [@newkids]), |
2727 | @e |
2728 | ] ); |
2729 | } |
2730 | else { |
2731 | return $self->newtype->new( |
2732 | Kids => [ |
2733 | $self->madness('I ('), |
2734 | @folded, |
2735 | $self->madness(')'), |
2736 | @t, |
2737 | $self->newtype->new(Kids => [@newkids]) |
2738 | ] ); |
2739 | } |
2740 | } |
2741 | return $self->newtype->new(Kids => [@newkids]); |
2742 | } |
2743 | |
2744 | package PLXML::op_enteriter; |
2745 | |
2746 | sub ast { |
2747 | my $self = shift; |
2748 | my (undef,$range,$var) = @{$self->{Kids}}; |
2749 | my @retval; |
2750 | push @retval, $self->madness('v'); |
2751 | if (!@retval and defined $var) { |
2752 | push @retval, $var->ast($self,@_); |
2753 | } |
2754 | else { |
2755 | push @retval, ''; |
2756 | } |
2757 | if (ref $range eq 'PLXML::op_null' and $$self{flags} =~ /STACKED/) { |
2758 | my (undef,$min,$max) = @{$range->{Kids}}; |
2759 | push @retval, $min->ast($self,@_); |
2760 | if (defined $max) { |
2761 | if (exists $$range{mp}{O}) { # deeply buried .. operator |
2762 | PLXML::prepreproc($$range{mp}{O}); |
2763 | push @retval, |
2764 | $$range{mp}{'O'}{Kids}[0]{Kids}[0]{Kids}[0]{Kids}[0]->madness('o') |
2765 | } |
2766 | else { |
2767 | push @retval, '..'; # XXX missing whitespace |
2768 | } |
2769 | push @retval, $max->ast($self,@_); |
2770 | } |
2771 | } |
2772 | else { |
2773 | push @retval, $range->ast($self,@_); |
2774 | } |
2775 | return $self->newtype->new(Kids => [@retval]); |
2776 | } |
2777 | |
2778 | package PLXML::op_iter; |
2779 | package PLXML::op_enterloop; |
2780 | |
2781 | sub ast { |
2782 | } |
2783 | |
2784 | package PLXML::op_leaveloop; |
2785 | |
2786 | sub ast { |
2787 | my $self = shift; |
2788 | |
2789 | my @retval; |
2790 | my @newkids; |
2791 | my $enterloop = $$self{Kids}[0]; |
2792 | my $nextthing = $$self{Kids}[1]; |
2793 | |
2794 | if ($$self{mp}{W}) { |
2795 | push @retval, $self->madness('L'); |
2796 | push @newkids, $self->madness('W d'); |
2797 | |
2798 | if (ref $enterloop eq 'PLXML::op_enteriter') { |
2799 | my ($var,@rest) = @{$enterloop->ast($self,@_)->{Kids}}; |
2800 | push @newkids, $var if $var; |
2801 | push @newkids, $self->madness('q ( x = Q'); |
2802 | push @newkids, @rest; |
2803 | } |
2804 | else { |
2805 | push @newkids, $self->madness('('); |
2806 | push @newkids, $enterloop->ast($self,@_); |
2807 | } |
2808 | } |
2809 | my $andor; |
2810 | |
2811 | if (ref $nextthing eq 'PLXML::op_null') { |
2812 | if ($$nextthing{mp}{'1'}) { |
2813 | push @newkids, $nextthing->madness('1'); |
2814 | push @newkids, $self->madness(')'); |
2815 | push @newkids, $$nextthing{Kids}[0]->blockast($self,@_); |
2816 | } |
2817 | elsif ($$nextthing{mp}{'2'}) { |
2818 | push @newkids, $$nextthing{Kids}[0]->ast($self,@_); |
2819 | push @newkids, $self->madness(')'); |
2820 | push @newkids, $$nextthing{mp}{'2'}->blockast($self,@_); |
2821 | } |
2822 | elsif ($$nextthing{mp}{'U'}) { |
2823 | push @newkids, $nextthing->ast($self,@_); |
2824 | } |
2825 | else { |
2826 | # bypass the op_null |
2827 | $andor = $nextthing->{Kids}[0]; |
2828 | eval { |
2829 | push @newkids, $$andor{Kids}[0]->ast($self, @_); |
2830 | }; |
2831 | push @newkids, $self->madness(')'); |
2832 | eval { |
2833 | push @newkids, $$andor{Kids}[1]->blockast($self, @_); |
2834 | }; |
2835 | } |
2836 | } |
2837 | else { |
2838 | $andor = $nextthing; |
2839 | push @newkids, $nextthing->madness('O'); |
2840 | push @newkids, $self->madness(')'); |
2841 | push @newkids, $nextthing->blockast($self, @_); |
2842 | } |
2843 | if ($$self{mp}{w}) { |
2844 | push @newkids, $self->madness('w'); |
2845 | push @newkids, $enterloop->ast($self,@_); |
2846 | } |
2847 | |
2848 | push @retval, @newkids; |
2849 | |
2850 | return $self->newtype->new(Kids => [@retval]); |
2851 | } |
2852 | |
2853 | package PLXML::op_return; |
2854 | package PLXML::op_last; |
2855 | package PLXML::op_next; |
2856 | package PLXML::op_redo; |
2857 | package PLXML::op_dump; |
2858 | package PLXML::op_goto; |
2859 | package PLXML::op_exit; |
2860 | package PLXML::op_open; |
2861 | package PLXML::op_close; |
2862 | package PLXML::op_pipe_op; |
2863 | package PLXML::op_fileno; |
2864 | package PLXML::op_umask; |
2865 | package PLXML::op_binmode; |
2866 | package PLXML::op_tie; |
2867 | package PLXML::op_untie; |
2868 | package PLXML::op_tied; |
2869 | package PLXML::op_dbmopen; |
2870 | package PLXML::op_dbmclose; |
2871 | package PLXML::op_sselect; |
2872 | package PLXML::op_select; |
2873 | package PLXML::op_getc; |
2874 | package PLXML::op_read; |
2875 | package PLXML::op_enterwrite; |
2876 | package PLXML::op_leavewrite; |
2877 | package PLXML::op_prtf; |
2878 | package PLXML::op_print; |
2879 | package PLXML::op_sysopen; |
2880 | package PLXML::op_sysseek; |
2881 | package PLXML::op_sysread; |
2882 | package PLXML::op_syswrite; |
2883 | package PLXML::op_send; |
2884 | package PLXML::op_recv; |
2885 | package PLXML::op_eof; |
2886 | package PLXML::op_tell; |
2887 | package PLXML::op_seek; |
2888 | package PLXML::op_truncate; |
2889 | package PLXML::op_fcntl; |
2890 | package PLXML::op_ioctl; |
2891 | package PLXML::op_flock; |
2892 | package PLXML::op_socket; |
2893 | package PLXML::op_sockpair; |
2894 | package PLXML::op_bind; |
2895 | package PLXML::op_connect; |
2896 | package PLXML::op_listen; |
2897 | package PLXML::op_accept; |
2898 | package PLXML::op_shutdown; |
2899 | package PLXML::op_gsockopt; |
2900 | package PLXML::op_ssockopt; |
2901 | package PLXML::op_getsockname; |
2902 | package PLXML::op_getpeername; |
2903 | package PLXML::op_lstat; |
2904 | package PLXML::op_stat; |
2905 | package PLXML::op_ftrread; |
2906 | package PLXML::op_ftrwrite; |
2907 | package PLXML::op_ftrexec; |
2908 | package PLXML::op_fteread; |
2909 | package PLXML::op_ftewrite; |
2910 | package PLXML::op_fteexec; |
2911 | package PLXML::op_ftis; |
2912 | package PLXML::op_fteowned; |
2913 | package PLXML::op_ftrowned; |
2914 | package PLXML::op_ftzero; |
2915 | package PLXML::op_ftsize; |
2916 | package PLXML::op_ftmtime; |
2917 | package PLXML::op_ftatime; |
2918 | package PLXML::op_ftctime; |
2919 | package PLXML::op_ftsock; |
2920 | package PLXML::op_ftchr; |
2921 | package PLXML::op_ftblk; |
2922 | package PLXML::op_ftfile; |
2923 | package PLXML::op_ftdir; |
2924 | package PLXML::op_ftpipe; |
2925 | package PLXML::op_ftlink; |
2926 | package PLXML::op_ftsuid; |
2927 | package PLXML::op_ftsgid; |
2928 | package PLXML::op_ftsvtx; |
2929 | package PLXML::op_fttty; |
2930 | package PLXML::op_fttext; |
2931 | package PLXML::op_ftbinary; |
2932 | package PLXML::op_chdir; |
2933 | package PLXML::op_chown; |
2934 | package PLXML::op_chroot; |
2935 | package PLXML::op_unlink; |
2936 | package PLXML::op_chmod; |
2937 | package PLXML::op_utime; |
2938 | package PLXML::op_rename; |
2939 | package PLXML::op_link; |
2940 | package PLXML::op_symlink; |
2941 | package PLXML::op_readlink; |
2942 | package PLXML::op_mkdir; |
2943 | package PLXML::op_rmdir; |
2944 | package PLXML::op_open_dir; |
2945 | package PLXML::op_readdir; |
2946 | package PLXML::op_telldir; |
2947 | package PLXML::op_seekdir; |
2948 | package PLXML::op_rewinddir; |
2949 | package PLXML::op_closedir; |
2950 | package PLXML::op_fork; |
2951 | package PLXML::op_wait; |
2952 | package PLXML::op_waitpid; |
2953 | package PLXML::op_system; |
2954 | package PLXML::op_exec; |
2955 | package PLXML::op_kill; |
2956 | package PLXML::op_getppid; |
2957 | package PLXML::op_getpgrp; |
2958 | package PLXML::op_setpgrp; |
2959 | package PLXML::op_getpriority; |
2960 | package PLXML::op_setpriority; |
2961 | package PLXML::op_time; |
2962 | package PLXML::op_tms; |
2963 | package PLXML::op_localtime; |
2964 | package PLXML::op_gmtime; |
2965 | package PLXML::op_alarm; |
2966 | package PLXML::op_sleep; |
2967 | package PLXML::op_shmget; |
2968 | package PLXML::op_shmctl; |
2969 | package PLXML::op_shmread; |
2970 | package PLXML::op_shmwrite; |
2971 | package PLXML::op_msgget; |
2972 | package PLXML::op_msgctl; |
2973 | package PLXML::op_msgsnd; |
2974 | package PLXML::op_msgrcv; |
2975 | package PLXML::op_semget; |
2976 | package PLXML::op_semctl; |
2977 | package PLXML::op_semop; |
2978 | package PLXML::op_require; |
2979 | package PLXML::op_dofile; |
2980 | package PLXML::op_entereval; |
2981 | |
2982 | sub ast { |
2983 | my $self = shift; |
2984 | local $::curstate; # eval {} has own statement sequence |
2985 | return $self->SUPER::ast(@_); |
2986 | } |
2987 | |
2988 | package PLXML::op_leaveeval; |
2989 | package PLXML::op_entertry; |
2990 | package PLXML::op_leavetry; |
2991 | |
2992 | sub ast { |
2993 | my $self = shift; |
2994 | |
2995 | return $self->PLXML::op_leave::ast(@_); |
2996 | } |
2997 | |
2998 | package PLXML::op_ghbyname; |
2999 | package PLXML::op_ghbyaddr; |
3000 | package PLXML::op_ghostent; |
3001 | package PLXML::op_gnbyname; |
3002 | package PLXML::op_gnbyaddr; |
3003 | package PLXML::op_gnetent; |
3004 | package PLXML::op_gpbyname; |
3005 | package PLXML::op_gpbynumber; |
3006 | package PLXML::op_gprotoent; |
3007 | package PLXML::op_gsbyname; |
3008 | package PLXML::op_gsbyport; |
3009 | package PLXML::op_gservent; |
3010 | package PLXML::op_shostent; |
3011 | package PLXML::op_snetent; |
3012 | package PLXML::op_sprotoent; |
3013 | package PLXML::op_sservent; |
3014 | package PLXML::op_ehostent; |
3015 | package PLXML::op_enetent; |
3016 | package PLXML::op_eprotoent; |
3017 | package PLXML::op_eservent; |
3018 | package PLXML::op_gpwnam; |
3019 | package PLXML::op_gpwuid; |
3020 | package PLXML::op_gpwent; |
3021 | package PLXML::op_spwent; |
3022 | package PLXML::op_epwent; |
3023 | package PLXML::op_ggrnam; |
3024 | package PLXML::op_ggrgid; |
3025 | package PLXML::op_ggrent; |
3026 | package PLXML::op_sgrent; |
3027 | package PLXML::op_egrent; |
3028 | package PLXML::op_getlogin; |
3029 | package PLXML::op_syscall; |
3030 | package PLXML::op_lock; |
3031 | package PLXML::op_threadsv; |
3032 | package PLXML::op_setstate; |
3033 | package PLXML::op_method_named; |
3034 | |
3035 | sub ast { |
3036 | my $self = shift; |
3037 | return $self->madness('O'); |
3038 | } |
3039 | |
3040 | package PLXML::op_dor; |
3041 | |
3042 | sub astnull { |
3043 | my $self = shift; |
3044 | $self->PLXML::op_or::astnull(@_); |
3045 | } |
3046 | |
3047 | package PLXML::op_dorassign; |
3048 | package PLXML::op_custom; |
3049 | |