Commit | Line | Data |
---|---|---|
6a28abbc NC |
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 |