Commit | Line | Data |
---|---|---|
82a7479c | 1 | package Nomad; |
6a28abbc NC |
2 | |
3 | # Suboptimal things: | |
4 | # ast type info is generally still implicit | |
5 | # the combined madness calls are actually losing type information | |
6 | # brace madprops tend to be too low in the tree | |
7 | # could use about 18 more refactorings... | |
8 | # lots of unused cruft left around from previous refactorings | |
9 | ||
10 | use strict; | |
11 | use warnings; | |
12 | use Carp; | |
6a28abbc NC |
13 | |
14 | use P5AST; | |
15 | use P5re; | |
16 | ||
6a28abbc NC |
17 | my $deinterpolate; |
18 | ||
82a7479c GG |
19 | sub xml_to_p5 { |
20 | my %options = @_; | |
21 | ||
22 | ||
23 | my $filename = $options{'input'} or die; | |
24 | $deinterpolate = $options{'deinterpolate'}; | |
25 | my $YAML = $options{'YAML'}; | |
26 | ||
27 | local $SIG{__DIE__} = sub { | |
28 | my $e = shift; | |
29 | $e =~ s/\n$/\n [NODE $filename line $::prevstate->{line}]/ if $::prevstate; | |
30 | confess $e; | |
31 | }; | |
32 | ||
33 | # parse file | |
34 | use XML::Parser; | |
35 | my $p1 = XML::Parser->new(Style => 'Objects', Pkg => 'PLXML'); | |
36 | $p1->setHandlers('Char' => sub { warn "Chars $_[1]" if $_[1] =~ /\S/; }); | |
37 | ||
38 | # First slurp XML into tree of objects. | |
39 | ||
40 | my $root = $p1->parsefile($filename); | |
41 | ||
42 | # Now turn XML tree into something more like an AST. | |
43 | ||
44 | PLXML::prepreproc($root->[0]); | |
45 | my $ast = P5AST->new('Kids' => [$root->[0]->ast()]); | |
46 | #::t($ast); | |
47 | ||
48 | if ($YAML) { | |
49 | require YAML::Syck; | |
50 | return YAML::Syck::Dump($ast); | |
6a28abbc | 51 | } |
6a28abbc | 52 | |
82a7479c GG |
53 | # Finally, walk AST to produce new program. |
54 | ||
55 | my $text = $ast->p5text(); # returns encoded, must output raw | |
56 | return $text; | |
57 | } | |
6a28abbc NC |
58 | |
59 | $::curstate = 0; | |
60 | $::prevstate = 0; | |
61 | $::curenc = 1; # start in iso-8859-1, sigh... | |
62 | ||
63 | $::H = "HeredocHere000"; | |
64 | %::H = (); | |
65 | ||
66 | my @enc = ( | |
67 | 'utf-8', | |
68 | 'iso-8859-1', | |
69 | ); | |
70 | ||
71 | my %enc = ( | |
72 | 'utf-8' => 0, | |
73 | 'iso-8859-1' => 1, | |
74 | ); | |
75 | ||
76 | my %madtype = ( | |
77 | '$' => 'p5::sigil', | |
78 | '@' => 'p5::sigil', | |
79 | '%' => 'p5::sigil', | |
80 | '&' => 'p5::sigil', | |
81 | '*' => 'p5::sigil', | |
82 | 'o' => 'p5::operator', | |
83 | '~' => 'p5::operator', | |
84 | '+' => 'p5::punct', | |
85 | '?' => 'p5::punct', | |
86 | ':' => 'p5::punct', | |
87 | ',' => 'p5::punct', | |
88 | ';' => 'p5::punct', | |
89 | '#' => 'p5::punct', | |
90 | '(' => 'p5::opener', | |
91 | ')' => 'p5::closer', | |
92 | '[' => 'p5::opener', | |
93 | ']' => 'p5::closer', | |
94 | '{' => 'p5::opener', | |
95 | '}' => 'p5::closer', | |
96 | '1' => 'p5::punct', | |
97 | '2' => 'p5::punct', | |
98 | 'a' => 'p5::operator', | |
99 | 'A' => 'p5::operator', | |
100 | 'd' => 'p5::declarator', | |
101 | 'E' => 'p5::text', | |
102 | 'L' => 'p5::label', | |
103 | 'm' => 'p5::remod', | |
104 | # 'n' => 'p5::name', | |
105 | 'q' => 'p5::openquote', | |
106 | 'Q' => 'p5::closequote', | |
107 | '=' => 'p5::text', | |
108 | 'R' => 'p5::text', | |
109 | 's' => 'p5::text', | |
110 | 's' => 'p5::declarator', | |
111 | # 'V' => 'p5::version', | |
112 | 'X' => 'p5::token', | |
113 | ); | |
114 | ||
6a28abbc NC |
115 | use Data::Dumper; |
116 | $Data::Dumper::Indent = 1; | |
117 | $Data::Dumper::Quotekeys = 0; | |
118 | ||
119 | sub d { | |
120 | my $text = Dumper(@_); | |
121 | # doesn't scale well, alas | |
122 | 1 while $text =~ s/(.*)^([^\n]*)bless\( \{\n(.*?)^(\s*\}), '([^']*)' \)([^\n]*)/$1$2$5 {\n$3$4$6 # $5/ms; | |
123 | $text =~ s/PLXML:://g; | |
124 | if ($text) { | |
125 | my ($package, $filename, $line) = caller; | |
126 | my $subroutine = (caller(1))[3]; | |
127 | $text =~ s/\n?\z/, called from $subroutine, line $line\n/; | |
128 | warn $text; | |
129 | } | |
130 | }; | |
131 | ||
132 | { | |
133 | ||
134 | my %xmlrepl = ( | |
135 | '&' => '&', | |
136 | "'" => ''', | |
137 | '"' => '&dquo;', | |
138 | '<' => '<', | |
139 | '>' => '>', | |
140 | "\n" => ' ', | |
141 | "\t" => '	', | |
142 | ); | |
143 | ||
144 | sub x { | |
145 | my $indent = 0; | |
146 | if (@_ > 1) { | |
147 | warn xdolist($indent,"LIST",@_); | |
148 | } | |
149 | else { | |
150 | my $type = ref $_[0]; | |
151 | if ($type) { | |
152 | warn xdoitem($indent,$type,@_); | |
153 | } | |
154 | else { | |
155 | warn xdoitem($indent,"ITEM",@_); | |
156 | } | |
157 | } | |
158 | } | |
159 | ||
160 | sub xdolist { | |
161 | my $indent = shift; | |
162 | my $tag = shift; | |
163 | my $in = ' ' x ($indent * 2); | |
164 | my $result; | |
165 | $result .= "$in<$tag>\n" if defined $tag; | |
166 | for my $it (@_) { | |
167 | my $itt = ref $it || "ITEM"; | |
168 | $itt =~ s/::/:/g; | |
169 | $result .= xdoitem($indent+1,$itt,$it); | |
170 | } | |
171 | $result .= "$in</$tag>\n" if defined $tag; | |
172 | return $result; | |
173 | } | |
174 | ||
175 | sub xdohash { | |
176 | my $indent = shift; | |
177 | my $tag = shift; | |
178 | my $hash = shift; | |
179 | my $in = ' ' x ($indent * 2); | |
180 | my $result = "$in<$tag>\n"; | |
181 | my @keys = sort keys %$hash; | |
182 | my $longest = 0; | |
183 | for my $k (@keys) { | |
184 | $longest = length($k) if length($k) > $longest; | |
185 | } | |
186 | my $K; | |
187 | for my $k (@keys) { | |
188 | my $tmp; | |
189 | $K = $$hash{$k}, next if $k eq 'Kids'; | |
190 | my $sp = ' ' x ($longest - length($k)); | |
191 | if (ref $$hash{$k}) { | |
192 | $tmp = xdoitem($indent+1,"kv",$$hash{$k}); | |
193 | $tmp =~ s!^ *<kv>\n *</kv>!$in <kv/>!; | |
194 | } | |
195 | else { | |
196 | $tmp = xdoitem($indent+1,"kv",$$hash{$k}); | |
197 | } | |
198 | $k =~ s/([\t\n'"<>&])/$xmlrepl{$1}/g; | |
199 | $tmp =~ s/<kv/<kv k='$k'$sp/ or | |
200 | $tmp =~ s/^(.*)$/$in <kv k='$k'>\n$in $1$in <\/kv>\n/s; | |
201 | $result .= $tmp; | |
202 | } | |
203 | if ($K and @$K) { | |
204 | $result .= xdolist($indent, undef, @$K); | |
205 | } | |
206 | $result .= "$in</$tag>\n"; | |
207 | } | |
208 | ||
209 | sub xdoitem { | |
210 | my $indent = shift; | |
211 | my $tag = shift; | |
212 | my $item = shift; | |
213 | my $in = ' ' x ($indent * 2); | |
214 | my $r = ref $item; | |
215 | if (not $r) { | |
216 | $item =~ s/([\t\n'"<>&])/$xmlrepl{$1}/g; | |
217 | return "$in<$tag>$item</$tag>\n"; | |
218 | } | |
219 | (my $newtag = $r) =~ s/::/:/g; | |
220 | my $t = "$item"; | |
221 | if ($t =~ /\bARRAY\b/) { | |
222 | if (@{$item}) { | |
223 | return xdolist($indent,$tag,@{$item}); | |
224 | } | |
225 | else { | |
226 | return "$in<$tag />\n"; | |
227 | } | |
228 | } | |
229 | if ($t =~ /\bHASH\b/) { | |
230 | return xdohash($indent,$tag,$item); | |
231 | } | |
232 | if ($r =~ /^p5::/) { | |
233 | return "$in<$newtag>$$item</$newtag>\n"; | |
234 | } | |
235 | else { | |
236 | return "$in<$newtag type='$r'/>\n"; | |
237 | } | |
238 | } | |
239 | ||
240 | my %trepl = ( | |
241 | "'" => '\\\'', | |
242 | '"' => '\\"', | |
243 | "\n" => '\\n', | |
244 | "\t" => '\\t', | |
245 | ); | |
246 | ||
247 | sub t { | |
248 | my $indent = 0; | |
249 | if (@_ > 1) { | |
250 | tdolist($indent,"LIST",@_); | |
251 | } | |
252 | else { | |
253 | my $type = ref $_[0]; | |
254 | if ($type) { | |
255 | tdoitem($indent,$type,@_); | |
256 | } | |
257 | else { | |
258 | tdoitem($indent,"ITEM",@_); | |
259 | } | |
260 | } | |
261 | print STDERR "\n"; | |
262 | } | |
263 | ||
264 | sub tdolist { | |
265 | my $indent = shift; | |
266 | my $tag = shift || "ARRAY"; | |
267 | my $in = ' ' x ($indent * 2); | |
268 | if (@_) { | |
269 | print STDERR "[\n"; | |
270 | for my $it (@_) { | |
271 | my $itt = ref $it || "ITEM"; | |
272 | print STDERR $in," "; | |
273 | tdoitem($indent+1,$itt,$it); | |
274 | print STDERR "\n"; | |
275 | } | |
276 | print STDERR "$in]"; | |
277 | } | |
278 | else { | |
279 | print STDERR "[]"; | |
280 | } | |
281 | } | |
282 | ||
283 | sub tdohash { | |
284 | my $indent = shift; | |
285 | my $tag = shift; | |
286 | my $hash = shift; | |
287 | my $in = ' ' x ($indent * 2); | |
288 | ||
289 | print STDERR "$tag => {\n"; | |
290 | ||
291 | my @keys = sort keys %$hash; | |
292 | my $longest = 0; | |
293 | for my $k (@keys) { | |
294 | $longest = length($k) if length($k) > $longest; | |
295 | } | |
296 | my $K; | |
297 | for my $k (@keys) { | |
298 | my $sp = ' ' x ($longest - length($k)); | |
299 | print STDERR "$in $k$sp => "; | |
300 | tdoitem($indent+1,"",$$hash{$k}); | |
301 | if ($k eq 'Kids') { | |
302 | print STDERR " # Kids"; | |
303 | } | |
304 | print STDERR "\n"; | |
305 | } | |
306 | print STDERR "$in} # $tag"; | |
307 | } | |
308 | ||
309 | sub tdoitem { | |
310 | my $indent = shift; | |
311 | my $tag = shift; | |
312 | my $item = shift; | |
313 | if (not defined $item) { | |
314 | print STDERR "UNDEF"; | |
315 | return; | |
316 | } | |
317 | # my $in = ' ' x ($indent * 2); | |
318 | my $r = ref $item; | |
319 | if (not $r) { | |
320 | $item =~ s/([\t\n"])/$trepl{$1}/g; | |
321 | print STDERR "\"$item\""; | |
322 | return; | |
323 | } | |
324 | my $t = "$item"; | |
325 | if ($r =~ /^p5::/) { | |
326 | my $str = $$item{uni}; | |
327 | my $enc = $enc[$$item{enc}] . ' '; | |
328 | $enc =~ s/iso-8859-1 //; | |
329 | $str =~ s/([\t\n"])/$trepl{$1}/g; | |
330 | print STDERR "$r $enc\"$str\""; | |
331 | } | |
332 | elsif ($t =~ /\bARRAY\b/) { | |
333 | tdolist($indent,$tag,@{$item}); | |
334 | } | |
335 | elsif ($t =~ /\bHASH\b/) { | |
336 | tdohash($indent,$tag,$item); | |
337 | } | |
338 | else { | |
339 | print STDERR "$r type='$r'"; | |
340 | } | |
341 | } | |
342 | } | |
343 | ||
344 | sub encnum { | |
345 | my $encname = shift; | |
346 | if (not exists $enc{$encname}) { | |
347 | push @enc, $encname; | |
348 | return $enc{$encname} = $#enc; | |
349 | } | |
350 | return $enc{$encname}; | |
351 | } | |
352 | ||
353 | use PLXML; | |
354 | ||
6a28abbc NC |
355 | package p5::text; |
356 | ||
357 | use Encode; | |
358 | ||
359 | sub new { | |
360 | my $class = shift; | |
361 | my $text = shift; | |
362 | die "Too many args to new" if @_; | |
363 | die "Attempt to bless non-text $text" if ref $text; | |
364 | return bless( { uni => $text, | |
365 | enc => $::curenc, | |
366 | }, $class); | |
367 | } | |
368 | ||
369 | sub uni { my $self = shift; $$self{uni}; } # internal stuff all in utf8 | |
370 | ||
371 | sub enc { | |
372 | my $self = shift; | |
373 | my $enc = $enc[$$self{enc} || 0]; | |
374 | return encode($enc, $$self{uni}); | |
375 | } | |
376 | ||
377 | package p5::closequote; BEGIN { @p5::closequote::ISA = 'p5::punct'; } | |
378 | package p5::closer; BEGIN { @p5::closer::ISA = 'p5::punct'; } | |
379 | package p5::declarator; BEGIN { @p5::declarator::ISA = 'p5::token'; } | |
380 | package p5::junk; BEGIN { @p5::junk::ISA = 'p5::text'; } | |
381 | package p5::label; BEGIN { @p5::label::ISA = 'p5::token'; } | |
382 | #package p5::name; BEGIN { @p5::name::ISA = 'p5::token'; } | |
383 | package p5::opener; BEGIN { @p5::opener::ISA = 'p5::punct'; } | |
384 | package p5::openquote; BEGIN { @p5::openquote::ISA = 'p5::punct'; } | |
385 | package p5::operator; BEGIN { @p5::operator::ISA = 'p5::token'; } | |
386 | package p5::punct; BEGIN { @p5::punct::ISA = 'p5::token'; } | |
387 | package p5::remod; BEGIN { @p5::remod::ISA = 'p5::token'; } | |
388 | package p5::sigil; BEGIN { @p5::sigil::ISA = 'p5::punct'; } | |
389 | package p5::token; BEGIN { @p5::token::ISA = 'p5::text'; } | |
390 | #package p5::version; BEGIN { @p5::version::ISA = 'p5::token'; } | |
391 | ||
392 | ################################################################ | |
393 | # Routines to turn XML tree into an AST. Mostly this amounts to hoisting | |
394 | # misplaced nodes and flattening various things into lists. | |
395 | ||
396 | package PLXML; | |
397 | ||
398 | sub AUTOLOAD { | |
399 | ::x("AUTOLOAD $PLXML::AUTOLOAD", @_); | |
400 | return "[[[ $PLXML::AUTOLOAD ]]]"; | |
401 | } | |
402 | ||
403 | sub prepreproc { | |
404 | my $self = shift; | |
405 | my $kids = $$self{Kids}; | |
406 | $self->{mp} = {}; | |
407 | if (defined $kids) { | |
408 | my $i; | |
409 | for ($i = 0; $i < @$kids; $i++) { | |
410 | if (ref $kids->[$i] eq "PLXML::madprops") { | |
411 | $self->{mp} = splice(@$kids, $i, 1)->hash($self,@_); | |
412 | $i--; | |
413 | next; | |
414 | } | |
415 | else { | |
416 | prepreproc($kids->[$i], $self, @_); | |
417 | } | |
418 | } | |
419 | } | |
420 | } | |
421 | ||
422 | sub preproc { | |
423 | my $self = shift; | |
424 | if (ref $self eq 'PLXML::op_null' and $$self{was}) { | |
425 | return "PLXML::op_$$self{was}"->key(); | |
426 | } | |
427 | else { | |
428 | return $self->key(); | |
429 | } | |
430 | } | |
431 | ||
432 | sub newtype { | |
433 | my $self = shift; | |
434 | my $t = ref $self || $self; | |
435 | $t = "PLXML::op_$$self{was}" if $t eq 'PLXML::op_null' and $$self{was}; | |
436 | $t =~ s/PLXML/P5AST/ or die "Bad type: $t"; | |
437 | return $t; | |
438 | } | |
439 | ||
440 | sub madness { | |
441 | my $self = shift; | |
442 | my @keys = split(' ', shift); | |
dde83331 | 443 | @keys = map { $_ eq 'd' ? ('k', 'd') : $_ } @keys; |
6a28abbc NC |
444 | my @vals = (); |
445 | for my $key (@keys) { | |
446 | my $madprop = $self->{mp}{$key}; | |
447 | next unless defined $madprop; | |
448 | if (ref $madprop eq 'PLXML::mad_op') { | |
449 | if ($key eq 'b') { | |
450 | push @vals, $madprop->blockast($self, @_); | |
451 | } | |
452 | else { | |
453 | push @vals, $madprop->ast($self, @_); | |
454 | } | |
455 | next; | |
456 | } | |
457 | my $white; | |
458 | if ($white = $self->{mp}{"_$key"}) { | |
459 | push @vals, p5::junk->new($white); | |
460 | } | |
461 | my $type = $madtype{$key} || "p5::token"; | |
462 | push @vals, $type->new($madprop); | |
463 | if ($white = $self->{mp}{"#$key"}) { | |
464 | push @vals, p5::junk->new($white); | |
465 | } | |
466 | } | |
467 | @vals; | |
468 | } | |
469 | ||
470 | sub blockast { | |
471 | my $self = shift; | |
472 | $self->ast(@_); | |
473 | } | |
474 | ||
475 | sub ast { | |
476 | my $self = shift; | |
477 | ||
478 | my @newkids; | |
479 | for my $kid (@{$$self{Kids}}) { | |
480 | push @newkids, $kid->ast($self, @_); | |
481 | } | |
482 | return $self->newtype->new(Kids => [uc $self->key(), "(", @newkids, ")"]); | |
483 | } | |
484 | ||
485 | sub op { | |
486 | my $self = shift; | |
487 | my $desc = $self->desc(); | |
488 | if ($desc =~ /\((.*?)\)/) { | |
489 | return $1; | |
490 | } | |
491 | else { | |
492 | return " <<" . $self->key() . ">> "; | |
493 | } | |
494 | } | |
495 | ||
496 | sub mp { | |
497 | my $self = shift; | |
498 | return $self->{mp}; | |
499 | } | |
500 | ||
501 | package PLXML::Characters; | |
502 | ||
503 | sub ast { die "oops" } | |
504 | sub pair { die "oops" } | |
505 | ||
506 | package PLXML::madprops; | |
507 | ||
508 | sub ast { | |
509 | die "oops madprops"; | |
510 | } | |
511 | ||
512 | sub hash { | |
513 | my $self = shift; | |
514 | my @pairs; | |
515 | my %hash = (); | |
516 | my $firstthing = ''; | |
517 | my $lastthing = ''; | |
518 | ||
519 | # We need to guarantee key uniqueness at this point. | |
520 | for my $kid (@{$$self{Kids}}) { | |
521 | my ($k,$v) = $kid->pair($self, @_); | |
522 | $firstthing ||= $k; | |
fb2b694a GG |
523 | $k .= 'x' while exists $hash{$k}; |
524 | $lastthing = $k; | |
6a28abbc NC |
525 | $hash{$k} = $v; |
526 | } | |
527 | $hash{FIRST} = $firstthing; | |
528 | $hash{LAST} = $lastthing; | |
529 | return \%hash; | |
530 | } | |
531 | ||
532 | package PLXML::mad_op; | |
533 | ||
534 | sub pair { | |
535 | my $self = shift; | |
536 | my $key = $$self{key}; | |
537 | return $key,$self; | |
538 | } | |
539 | ||
540 | sub ast { | |
541 | my $self = shift; | |
542 | $self->prepreproc(@_); | |
543 | my @vals; | |
544 | for my $kid (@{$$self{Kids}}) { | |
545 | push @vals, $kid->ast($self, @_); | |
546 | } | |
547 | if (@vals == 1) { | |
548 | return @vals; | |
549 | } | |
550 | else { | |
551 | return P5AST::op_list->new(Kids => [@vals]); | |
552 | } | |
553 | } | |
554 | ||
555 | sub blockast { | |
556 | my $self = shift; | |
557 | $self->prepreproc(@_); | |
558 | my @vals; | |
559 | for my $kid (@{$$self{Kids}}) { | |
560 | push @vals, $kid->blockast($self, @_); | |
561 | } | |
562 | if (@vals == 1) { | |
563 | return @vals; | |
564 | } | |
565 | else { | |
566 | return P5AST::op_lineseq->new(Kids => [@vals]); | |
567 | } | |
568 | } | |
569 | ||
570 | package PLXML::mad_pv; | |
571 | ||
572 | sub pair { | |
573 | my $self = shift; | |
574 | my $key = $$self{key}; | |
575 | my $val = $$self{val}; | |
576 | $val =~ s/STUPIDXML\(#x(\w+)\)/chr(hex $1)/eg; | |
577 | return $key,$val; | |
578 | } | |
579 | ||
580 | package PLXML::mad_sv; | |
581 | ||
582 | sub pair { | |
583 | my $self = shift; | |
584 | my $key = $$self{key}; | |
585 | my $val = $$self{val}; | |
586 | $val =~ s/STUPIDXML\(#x(\w+)\)/chr(hex $1)/eg; | |
587 | return $key,$val; | |
588 | } | |
589 | ||
590 | package PLXML::baseop; | |
591 | ||
592 | sub ast { | |
593 | my $self = shift; | |
594 | ||
595 | my @retval; | |
596 | my @newkids; | |
6a28abbc NC |
597 | for my $kid (@{$$self{Kids}}) { |
598 | push @newkids, $kid->ast($self, @_); | |
599 | } | |
600 | if (@newkids) { | |
601 | push @retval, uc $self->key(), "(", @newkids , ")"; | |
602 | } | |
603 | else { | |
604 | push @retval, $self->madness('o ( )'); | |
605 | } | |
606 | return $self->newtype->new(Kids => [@retval]); | |
607 | } | |
608 | ||
609 | package PLXML::baseop_unop; | |
610 | ||
611 | sub ast { | |
612 | my $self = shift; | |
1b438339 | 613 | my @newkids = $self->madness('d o ('); |
6a28abbc NC |
614 | |
615 | if (exists $$self{Kids}) { | |
616 | my $arg = $$self{Kids}[0]; | |
617 | push @newkids, $arg->ast($self, @_) if defined $arg; | |
618 | } | |
619 | push @newkids, $self->madness(')'); | |
620 | ||
621 | return $self->newtype()->new(Kids => [@newkids]); | |
622 | } | |
623 | ||
624 | package PLXML::binop; | |
625 | ||
626 | sub ast { | |
627 | my $self = shift; | |
628 | my @newkids; | |
629 | ||
6a28abbc NC |
630 | my $left = $$self{Kids}[0]; |
631 | push @newkids, $left->ast($self, @_); | |
632 | ||
633 | push @newkids, $self->madness('o'); | |
634 | ||
635 | my $right = $$self{Kids}[1]; | |
636 | if (defined $right) { | |
637 | push @newkids, $right->ast($self, @_); | |
638 | } | |
639 | ||
640 | return $self->newtype->new(Kids => [@newkids]); | |
641 | } | |
642 | ||
643 | package PLXML::cop; | |
644 | ||
645 | package PLXML::filestatop; | |
646 | ||
647 | sub ast { | |
648 | my $self = shift; | |
649 | ||
650 | my @newkids = $self->madness('o ('); | |
651 | ||
652 | if (@{$$self{Kids}}) { | |
653 | for my $kid (@{$$self{Kids}}) { | |
654 | push @newkids, $kid->ast($self, @_); | |
655 | } | |
656 | } | |
657 | if ($$self{mp}{O}) { | |
658 | push @newkids, $self->madness('O'); | |
659 | } | |
660 | push @newkids, $self->madness(')'); | |
661 | ||
662 | return $self->newtype->new(Kids => [@newkids]); | |
663 | } | |
664 | ||
665 | package PLXML::listop; | |
666 | ||
667 | sub ast { | |
668 | my $self = shift; | |
669 | ||
670 | my @retval; | |
6a28abbc | 671 | my @after; |
6a28abbc | 672 | if (@retval = $self->madness('X')) { |
1b438339 | 673 | my @before, $self->madness('o x'); |
6a28abbc NC |
674 | return P5AST::listop->new(Kids => [@before,@retval]); |
675 | } | |
676 | ||
d5d3e0f0 | 677 | push @retval, $self->madness('o d ( [ {'); |
6a28abbc NC |
678 | |
679 | my @newkids; | |
680 | for my $kid (@{$$self{Kids}}) { | |
681 | next if ref $kid eq 'PLXML::op_pushmark'; | |
682 | next if ref $kid eq 'PLXML::op_null' and | |
683 | defined $$kid{was} and $$kid{was} eq 'pushmark'; | |
684 | push @newkids, $kid->ast($self, @_); | |
685 | } | |
686 | ||
687 | my $x = ""; | |
688 | ||
689 | if ($$self{mp}{S}) { | |
690 | push @retval, $self->madness('S'); | |
691 | } | |
692 | push @retval, @newkids; | |
693 | ||
cbe583b9 | 694 | push @retval, $self->madness('} ] )'); |
1b438339 | 695 | return $self->newtype->new(Kids => [@retval,@after]); |
6a28abbc NC |
696 | } |
697 | ||
698 | package PLXML::logop; | |
699 | ||
700 | sub ast { | |
701 | my $self = shift; | |
702 | ||
703 | my @newkids; | |
704 | push @newkids, $self->madness('o ('); | |
705 | for my $kid (@{$$self{Kids}}) { | |
706 | push @newkids, $kid->ast($self, @_); | |
707 | } | |
708 | push @newkids, $self->madness(')'); | |
709 | return $self->newtype->new(Kids => [@newkids]); | |
710 | } | |
711 | ||
712 | package PLXML::loop; | |
713 | ||
714 | package PLXML::loopexop; | |
715 | ||
716 | sub ast { | |
717 | my $self = shift; | |
718 | my @newkids = $self->madness('o ('); | |
719 | ||
720 | if ($$self{mp}{L} or not $$self{flags} =~ /\bSPECIAL\b/) { | |
721 | my @label = $self->madness('L'); | |
722 | if (@label) { | |
723 | push @newkids, @label; | |
724 | } | |
725 | else { | |
726 | my $arg = $$self{Kids}[0]; | |
727 | push @newkids, $arg->ast($self, @_) if defined $arg; | |
728 | } | |
729 | } | |
730 | push @newkids, $self->madness(')'); | |
731 | ||
732 | return $self->newtype->new(Kids => [@newkids]); | |
733 | } | |
734 | ||
735 | ||
736 | package PLXML::padop; | |
737 | ||
738 | package PLXML::padop_svop; | |
739 | ||
740 | package PLXML::pmop; | |
741 | ||
742 | sub ast { | |
743 | my $self = shift; | |
744 | ||
745 | return P5AST::pmop->new(Kids => []) unless exists $$self{flags}; | |
746 | ||
747 | my $bits = $self->fetchbits($$self{flags},@_); | |
748 | ||
749 | my @newkids; | |
750 | if ($bits->{binding}) { | |
751 | push @newkids, $bits->{binding}; | |
752 | push @newkids, $self->madness('~'); | |
753 | } | |
754 | if (exists $bits->{regcomp} and $bits->{regcomp}) { | |
755 | my @front = $self->madness('q'); | |
756 | my @back = $self->madness('Q'); | |
757 | push @newkids, @front, $bits->{regcomp}, @back, | |
758 | $self->madness('m'); | |
759 | } | |
760 | elsif ($$self{mp}{q}) { | |
761 | push @newkids, $self->madness('q = Q m'); | |
762 | } | |
763 | elsif ($$self{mp}{X}) { | |
764 | push @newkids, $self->madness('X m'); | |
765 | } | |
766 | else { | |
767 | push @newkids, $self->madness('e m'); | |
768 | } | |
769 | ||
770 | return $self->newtype->new(Kids => [@newkids]); | |
771 | } | |
772 | ||
773 | sub innerpmop { | |
774 | my $pmop = shift; | |
775 | my $bits = shift; | |
776 | for my $key (grep {!/^Kids/} keys %$pmop) { | |
777 | $bits->{$key} = $pmop->{$key}; | |
778 | } | |
779 | ||
780 | # Have to delete all the fake evals of the repl. This is a pain... | |
781 | if (@{$$pmop{Kids}}) { | |
782 | my $really = $$pmop{Kids}[0]{Kids}[0]; | |
783 | if (ref $really eq 'PLXML::op_substcont') { | |
784 | $really = $$really{Kids}[0]; | |
785 | } | |
786 | while ((ref $really) =~ /^PLXML::op_.*(null|entereval)/) { | |
787 | if (exists $$really{was}) { | |
788 | $bits->{repl} = $really->ast(@_); | |
789 | return; | |
790 | } | |
791 | $really = $$really{Kids}[0]; | |
792 | } | |
793 | if (ref $really eq 'PLXML::op_scope' and | |
794 | @{$$really{Kids}} == 1 and | |
795 | ref $$really{Kids}[0] eq 'PLXML::op_null' and | |
796 | not @{$$really{Kids}[0]{Kids}}) | |
797 | { | |
798 | $bits->{repl} = ''; | |
799 | return; | |
800 | } | |
801 | if (ref $really eq 'PLXML::op_leave' and | |
802 | @{$$really{Kids}} == 2 and | |
803 | ref $$really{Kids}[1] eq 'PLXML::op_null' and | |
804 | not @{$$really{Kids}[1]{Kids}}) | |
805 | { | |
806 | $bits->{repl} = ''; | |
807 | return; | |
808 | } | |
809 | if ((ref $really) =~ /^PLXML::op_(scope|leave)/) { | |
810 | # should be at inner do {...} here, so skip that fakery too | |
811 | $bits->{repl} = $really->newtype->new(Kids => [$really->PLXML::op_lineseq::lineseq(@_)]); | |
812 | # but retrieve the whitespace before fake '}' | |
813 | if ($$really{mp}{'_}'}) { | |
814 | push(@{$bits->{repl}->{Kids}}, p5::junk->new($$really{mp}{'_}'})); | |
815 | } | |
816 | } | |
817 | else { # something else, padsv probably | |
818 | $bits->{repl} = $really->ast(@_); | |
819 | } | |
820 | } | |
821 | } | |
822 | ||
823 | sub fetchbits { | |
824 | my $self = shift; | |
825 | my $flags = shift || ''; | |
826 | my %bits = %$self; | |
827 | my @kids = @{$$self{Kids}}; | |
828 | if (@kids) { | |
829 | delete $bits{Kids}; | |
830 | my $arg = shift @kids; | |
831 | innerpmop($arg,\%bits, $self, @_); | |
832 | if ($flags =~ /STACKED/) { | |
833 | $arg = shift @kids; | |
834 | $bits{binding} = $arg->ast($self, @_); | |
835 | } | |
836 | if ($bits{when} ne "COMP" and @kids) { | |
837 | $arg = pop @kids; | |
838 | $bits{regcomp} = $arg->ast($self, @_); | |
839 | } | |
840 | if (not exists $bits{repl} and @kids) { | |
841 | $arg = shift @kids; | |
842 | $bits{repl} = $arg->ast($self, @_); | |
843 | } | |
844 | } | |
845 | return \%bits; | |
846 | } | |
847 | ||
848 | package PLXML::pvop_svop; | |
849 | ||
850 | package PLXML::unop; | |
851 | ||
852 | sub ast { | |
853 | my $self = shift; | |
854 | my @newkids = $self->madness('o ('); | |
855 | ||
856 | if (exists $$self{Kids}) { | |
857 | my $arg = $$self{Kids}[0]; | |
858 | push @newkids, $arg->ast($self, @_) if defined $arg; | |
859 | } | |
860 | push @newkids, $self->madness(')'); | |
861 | ||
862 | return $self->newtype->new(Kids => [@newkids]); | |
863 | } | |
864 | ||
865 | package PLXML; | |
866 | package PLXML::Characters; | |
867 | package PLXML::madprops; | |
868 | package PLXML::mad_op; | |
869 | package PLXML::mad_pv; | |
870 | package PLXML::baseop; | |
871 | package PLXML::baseop_unop; | |
872 | package PLXML::binop; | |
873 | package PLXML::cop; | |
874 | package PLXML::filestatop; | |
875 | package PLXML::listop; | |
876 | package PLXML::logop; | |
877 | package PLXML::loop; | |
878 | package PLXML::loopexop; | |
879 | package PLXML::padop; | |
880 | package PLXML::padop_svop; | |
881 | package PLXML::pmop; | |
882 | package PLXML::pvop_svop; | |
883 | package PLXML::unop; | |
884 | package PLXML::op_null; | |
885 | ||
886 | # Null nodes typed by first madprop. | |
887 | ||
888 | my %astmad; | |
889 | ||
890 | BEGIN { | |
891 | %astmad = ( | |
892 | 'p' => sub { # peg for #! line, etc. | |
893 | my $self = shift; | |
894 | my @newkids; | |
895 | push @newkids, $self->madness('p px'); | |
896 | $::curstate = 0; | |
897 | return P5AST::peg->new(Kids => [@newkids]) | |
898 | }, | |
899 | '(' => sub { # extra parens around the whole thing | |
900 | my $self = shift; | |
901 | my @newkids; | |
902 | push @newkids, $self->madness('dx d o ('); | |
903 | for my $kid (@{$$self{Kids}}) { | |
904 | push @newkids, $kid->ast($self, @_); | |
905 | } | |
906 | push @newkids, $self->madness(')'); | |
907 | return P5AST::parens->new(Kids => [@newkids]) | |
908 | }, | |
909 | '~' => sub { # binding operator | |
910 | my $self = shift; | |
911 | my @newkids; | |
912 | push @newkids, $$self{Kids}[0]->ast($self,@_); | |
913 | push @newkids, $self->madness('~'); | |
914 | push @newkids, $$self{Kids}[1]->ast($self,@_); | |
915 | return P5AST::bindop->new(Kids => [@newkids]) | |
916 | }, | |
917 | ';' => sub { # null statements/blocks | |
918 | my $self = shift; | |
919 | my @newkids; | |
920 | push @newkids, $self->madness('{ ; }'); | |
921 | $::curstate = 0; | |
922 | return P5AST::nothing->new(Kids => [@newkids]) | |
923 | }, | |
924 | 'I' => sub { # if or unless statement keyword | |
925 | my $self = shift; | |
926 | my @newkids; | |
927 | push @newkids, $self->madness('L I ('); | |
928 | my @subkids; | |
929 | for my $kid (@{$$self{Kids}}) { | |
930 | push @subkids, $kid->ast($self, @_); | |
931 | } | |
932 | die "oops in op_null->new" unless @subkids == 1; | |
933 | my $newself = $subkids[0]; | |
934 | @subkids = @{$$newself{Kids}}; | |
935 | ||
936 | unshift @{$subkids[0]{Kids}}, @newkids; | |
937 | push @{$subkids[0]{Kids}}, $self->madness(')'); | |
938 | return bless($newself, 'P5AST::condstate'); | |
939 | }, | |
940 | 'U' => sub { # use | |
941 | my $self = shift; | |
942 | my @newkids; | |
943 | my @module = $self->madness('U'); | |
944 | my @args = $self->madness('A'); | |
945 | my $module = $module[-1]{Kids}[-1]; | |
946 | if ($module->uni eq 'bytes') { | |
82a7479c | 947 | $::curenc = Nomad::encnum('iso-8859-1'); |
6a28abbc NC |
948 | } |
949 | elsif ($module->uni eq 'utf8') { | |
950 | if ($$self{mp}{o} eq 'no') { | |
82a7479c | 951 | $::curenc = Nomad::encnum('iso-8859-1'); |
6a28abbc NC |
952 | } |
953 | else { | |
82a7479c | 954 | $::curenc = Nomad::encnum('utf-8'); |
6a28abbc NC |
955 | } |
956 | } | |
957 | elsif ($module->uni eq 'encoding') { | |
958 | if ($$self{mp}{o} eq 'no') { | |
82a7479c | 959 | $::curenc = Nomad::encnum('iso-8859-1'); |
6a28abbc NC |
960 | } |
961 | else { | |
82a7479c | 962 | $::curenc = Nomad::encnum(eval $args[0]->p5text); # XXX bletch |
6a28abbc NC |
963 | } |
964 | } | |
965 | # (Surrounding {} ends up here if use is only thing in block.) | |
966 | push @newkids, $self->madness('{ o'); | |
967 | push @newkids, @module; | |
968 | push @newkids, $self->madness('V'); | |
969 | push @newkids, @args; | |
970 | push @newkids, $self->madness('S ; }'); | |
971 | $::curstate = 0; | |
972 | return P5AST::use->new(Kids => [@newkids]) | |
973 | }, | |
974 | '?' => sub { # ternary | |
975 | my $self = shift; | |
976 | my @newkids; | |
977 | my @subkids; | |
978 | my @condkids = @{$$self{Kids}[0]{Kids}}; | |
979 | ||
980 | push @newkids, $condkids[0]->ast($self,@_), $self->madness('?'); | |
981 | push @newkids, $condkids[1]->ast($self,@_), $self->madness(':'); | |
982 | push @newkids, $condkids[2]->ast($self,@_); | |
983 | return P5AST::ternary->new(Kids => [@newkids]) | |
984 | }, | |
985 | '&' => sub { # subroutine | |
986 | my $self = shift; | |
987 | my @newkids; | |
988 | push @newkids, $self->madness('d n s a : { & } ;'); | |
989 | $::curstate = 0; | |
990 | return P5AST::sub->new(Kids => [@newkids]) | |
991 | }, | |
992 | 'i' => sub { # modifier if | |
993 | my $self = shift; | |
994 | my @newkids; | |
995 | push @newkids, $self->madness('i'); | |
996 | my $cond = $$self{Kids}[0]; | |
997 | my @subkids; | |
998 | for my $kid (@{$$cond{Kids}}) { | |
999 | push @subkids, $kid->ast($self, @_); | |
1000 | } | |
1001 | push @newkids, shift @subkids; | |
1002 | unshift @newkids, @subkids; | |
1003 | return P5AST::condmod->new(Kids => [@newkids]) | |
1004 | }, | |
1005 | 'P' => sub { # package declaration | |
1006 | my $self = shift; | |
1007 | my @newkids; | |
1008 | push @newkids, $self->madness('o'); | |
1009 | push @newkids, $self->madness('P'); | |
1010 | push @newkids, $self->madness(';'); | |
1011 | $::curstate = 0; | |
1012 | return P5AST::package->new(Kids => [@newkids]) | |
1013 | }, | |
1014 | 'F' => sub { # format | |
1015 | my $self = shift; | |
1016 | my @newkids = $self->madness('F n b'); | |
1017 | $::curstate = 0; | |
1018 | return P5AST::format->new(Kids => [@newkids]) | |
1019 | }, | |
1020 | 'x' => sub { # qw literal | |
1021 | my $self = shift; | |
1022 | return P5AST::qwliteral->new(Kids => [$self->madness('x')]) | |
1023 | }, | |
1024 | 'q' => sub { # random quote | |
1025 | my $self = shift; | |
1026 | return P5AST::quote->new(Kids => [$self->madness('q = Q')]) | |
1027 | }, | |
1028 | 'X' => sub { # random literal | |
1029 | my $self = shift; | |
1030 | return P5AST::token->new(Kids => [$self->madness('X')]) | |
1031 | }, | |
1032 | ':' => sub { # attr list | |
1033 | my $self = shift; | |
1034 | return P5AST::attrlist->new(Kids => [$self->madness(':')]) | |
1035 | }, | |
1036 | ',' => sub { # "unary ," so to speak | |
1037 | my $self = shift; | |
1038 | my @newkids; | |
1039 | push @newkids, $self->madness(','); | |
1040 | push @newkids, $$self{Kids}[0]->ast($self,@_); | |
1041 | return P5AST::listelem->new(Kids => [@newkids]) | |
1042 | }, | |
1043 | 'C' => sub { # constant conditional | |
1044 | my $self = shift; | |
1045 | my @newkids; | |
1046 | push @newkids, $$self{Kids}[0]->ast($self,@_); | |
1047 | my @folded = $self->madness('C'); | |
1048 | if (@folded) { | |
1049 | my @t = $self->madness('t'); | |
1050 | my @e = $self->madness('e'); | |
1051 | if (@e) { | |
1052 | return P5AST::op_cond_expr->new( | |
1053 | Kids => [ | |
1054 | $self->madness('I ('), | |
1055 | @folded, | |
1056 | $self->madness(') ?'), | |
1057 | P5AST::op_cond_expr->new(Kids => [@newkids]), | |
1058 | $self->madness(':'), | |
1059 | @e | |
1060 | ] ); | |
1061 | } | |
1062 | else { | |
1063 | return P5AST::op_cond_expr->new( | |
1064 | Kids => [ | |
1065 | $self->madness('I ('), | |
1066 | @folded, | |
1067 | $self->madness(') ?'), | |
1068 | @t, | |
1069 | $self->madness(':'), | |
1070 | @newkids | |
1071 | ] ); | |
1072 | } | |
1073 | } | |
1074 | return P5AST::op_null->new(Kids => [@newkids]) | |
1075 | }, | |
1076 | '+' => sub { # unary + | |
1077 | my $self = shift; | |
1078 | my @newkids; | |
1079 | push @newkids, $self->madness('+'); | |
1080 | push @newkids, $$self{Kids}[0]->ast($self,@_); | |
1081 | return P5AST::preplus->new(Kids => [@newkids]) | |
1082 | }, | |
1083 | 'D' => sub { # do block | |
1084 | my $self = shift; | |
1085 | my @newkids; | |
1086 | push @newkids, $self->madness('D'); | |
1087 | push @newkids, $$self{Kids}[0]->ast($self,@_); | |
1088 | return P5AST::doblock->new(Kids => [@newkids]) | |
1089 | }, | |
1090 | '3' => sub { # C-style for loop | |
1091 | my $self = shift; | |
1092 | my @newkids; | |
1093 | ||
1094 | # What a mess! | |
1095 | my (undef, $init, $lineseq) = @{$$self{Kids}[0]{Kids}}; | |
1096 | my (undef, $leaveloop) = @{$$lineseq{Kids}}; | |
1097 | my (undef, $null) = @{$$leaveloop{Kids}}; | |
1098 | my $and; | |
1099 | my $cond; | |
1100 | my $lineseq2; | |
1101 | my $block; | |
1102 | my $cont; | |
1103 | if (exists $$null{was} and $$null{was} eq 'and') { | |
1104 | ($lineseq2) = @{$$null{Kids}}; | |
1105 | } | |
1106 | else { | |
1107 | ($and) = @{$$null{Kids}}; | |
1108 | ($cond, $lineseq2) = @{$$and{Kids}}; | |
1109 | } | |
1110 | if ($$lineseq2{mp}{'{'}) { | |
1111 | $block = $lineseq2; | |
1112 | } | |
1113 | else { | |
1114 | ($block, $cont) = @{$$lineseq2{Kids}}; | |
1115 | } | |
1116 | ||
1117 | push @newkids, $self->madness('L 3 ('); | |
1118 | push @newkids, $init->ast($self,@_); | |
1119 | push @newkids, $self->madness('1'); | |
1120 | if (defined $cond) { | |
1121 | push @newkids, $cond->ast($self,@_); | |
1122 | } | |
1123 | elsif (defined $null) { | |
1124 | push @newkids, $null->madness('1'); | |
1125 | } | |
1126 | push @newkids, $self->madness('2'); | |
1127 | if (defined $cont) { | |
1128 | push @newkids, $cont->ast($self,@_); | |
1129 | } | |
1130 | push @newkids, $self->madness(')'); | |
1131 | push @newkids, $block->blockast($self,@_); | |
1132 | $::curstate = 0; | |
1133 | return P5AST::cfor->new(Kids => [@newkids]) | |
1134 | }, | |
1135 | 'o' => sub { # random useless operator | |
1136 | my $self = shift; | |
1137 | my @newkids; | |
1138 | push @newkids, $self->madness('o'); | |
1139 | my $kind = $newkids[-1] || ''; | |
1140 | $kind = $kind->uni if ref $kind; | |
1141 | my @subkids; | |
1142 | for my $kid (@{$$self{Kids}}) { | |
1143 | push @subkids, $kid->ast($self, @_); | |
1144 | } | |
1145 | if ($kind eq '=') { # stealth readline | |
1146 | unshift(@newkids, shift(@subkids)); | |
1147 | push(@newkids, @subkids); | |
1148 | return P5AST::op_aassign->new(Kids => [@newkids]) | |
1149 | } | |
1150 | else { | |
1151 | my $newself = $subkids[0]; | |
1152 | splice(@{$newself->{Kids}}, 1, 0, | |
1153 | $self->madness('ox ('), | |
1154 | @newkids, | |
1155 | $self->madness(')') | |
1156 | ); | |
1157 | return $newself; | |
1158 | } | |
1159 | }, | |
1160 | ); | |
1161 | } | |
1162 | ||
1163 | # Null nodes are an untyped mess inside Perl. Instead of fixing it there, | |
1164 | # we derive an effective type either from the "was" field or the first madprop. | |
1165 | # (The individual routines select the actual new type.) | |
1166 | ||
1167 | sub ast { | |
1168 | my $self = shift; | |
1169 | my $was = $$self{was} || 'peg'; | |
1170 | my $mad = $$self{mp}{FIRST} || "unknown"; | |
1171 | ||
1172 | # First try for a "was". | |
1173 | my $meth = "PLXML::op_${was}::astnull"; | |
1174 | if (exists &{$meth}) { | |
1175 | return $self->$meth(@_); | |
1176 | } | |
1177 | ||
1178 | # Look at first madprop. | |
1179 | if (exists $astmad{$mad}) { | |
1180 | return $astmad{$mad}->($self); | |
1181 | } | |
1182 | warn "No mad $mad" unless $mad eq 'unknown'; | |
1183 | ||
1184 | # Do something generic. | |
1185 | my @newkids; | |
1186 | for my $kid (@{$$self{Kids}}) { | |
1187 | push @newkids, $kid->ast($self, @_); | |
1188 | } | |
1189 | return $self->newtype->new(Kids => [@newkids]); | |
1190 | } | |
1191 | ||
1192 | sub blockast { | |
1193 | my $self = shift; | |
1194 | local $::curstate; | |
1195 | local $::curenc = $::curenc; | |
1196 | return $self->madness('{ ; }'); | |
1197 | } | |
1198 | ||
1199 | package PLXML::op_stub; | |
1200 | ||
1201 | sub ast { | |
1202 | my $self = shift; | |
1203 | return $self->newtype->new(Kids => [$self->madness(', x ( ) q = Q')]); | |
1204 | } | |
1205 | ||
1206 | package PLXML::op_scalar; | |
1207 | ||
1208 | sub ast { | |
1209 | my $self = shift; | |
1210 | ||
1211 | my @pre = $self->madness('o q'); | |
1212 | my $op = pop @pre; | |
1213 | if ($op->uni =~ /^<</) { | |
1214 | my @newkids; | |
1215 | my $opstub = bless { start => $op }, 'P5AST::heredoc'; | |
1216 | push @newkids, $opstub; | |
1217 | push @newkids, $self->madness('('); | |
1218 | ||
1219 | my @kids = @{$$self{Kids}}; | |
1220 | ||
1221 | my @divert; | |
1222 | for my $kid (@kids) { | |
1223 | next if ref $kid eq 'PLXML::op_pushmark'; | |
1224 | next if ref $kid eq 'PLXML::op_null' and | |
1225 | defined $$kid{was} and $$kid{was} eq 'pushmark'; | |
1226 | push @divert, $kid->ast($self, @_); | |
1227 | } | |
1228 | $opstub->{doc} = P5AST::op_list->new(Kids => [@divert]); | |
1229 | $opstub->{end} = ($self->madness('Q'))[-1]; | |
1230 | ||
1231 | push @newkids, $self->madness(')'); | |
1232 | ||
1233 | return $self->newtype->new(Kids => [@pre,@newkids]); | |
1234 | } | |
1235 | return $self->PLXML::baseop_unop::ast(); | |
1236 | } | |
1237 | ||
1238 | package PLXML::op_pushmark; | |
1239 | ||
1240 | sub ast { () } | |
1241 | ||
1242 | package PLXML::op_wantarray; | |
1243 | package PLXML::op_const; | |
1244 | ||
1245 | sub astnull { | |
1246 | my $self = shift; | |
1247 | my @newkids; | |
1248 | return unless $$self{mp}; | |
1249 | push @newkids, $self->madness('q = Q X : f O ( )'); | |
1250 | return P5AST::op_const->new(Kids => [@newkids]); | |
1251 | } | |
1252 | ||
1253 | sub ast { | |
1254 | my $self = shift; | |
1255 | return unless %{$$self{mp}}; | |
1256 | ||
1257 | my @before; | |
1258 | ||
1259 | my $const; | |
1260 | my @args = $self->madness('f'); | |
1261 | if (@args) { | |
1262 | } | |
1263 | elsif (exists $self->{mp}{q}) { | |
1264 | push @args, $self->madness('d q'); | |
1265 | if ($args[-1]->uni =~ /^<</) { | |
1266 | my $opstub = bless { start => pop(@args) }, 'P5AST::heredoc'; | |
1267 | $opstub->{doc} = P5AST::op_const->new(Kids => [$self->madness('=')]); | |
1268 | $opstub->{end} = ($self->madness('Q'))[-1]; | |
1269 | push @args, $opstub; | |
1270 | } | |
1271 | else { | |
1272 | push @args, $self->madness('= Q'); | |
1273 | } | |
1274 | } | |
1275 | elsif (exists $self->{mp}{X}) { | |
1276 | push @before, $self->madness('d'); # was local $[ probably | |
1277 | if (not $$self{mp}{O}) { | |
1278 | push @before, $self->madness('o'); # was unary | |
1279 | } | |
1280 | my @X = $self->madness(': X'); | |
1281 | if (exists $$self{private} and $$self{private} =~ /BARE/) { | |
1282 | return $self->newtype->new(Kids => [@X]); | |
1283 | } | |
1284 | my $X = pop @X; | |
1285 | push @before, @X; | |
1286 | @args = ( | |
1287 | $self->madness('x'), | |
1288 | $X); | |
1289 | if ($$self{mp}{O}) { | |
1290 | push @args, $self->madness('o O'); | |
1291 | } | |
1292 | } | |
1293 | elsif (exists $self->{mp}{O}) { | |
1294 | push @args, $self->madness('O'); | |
1295 | } | |
1296 | elsif ($$self{private} =~ /\bBARE\b/) { | |
1297 | @args = ($$self{PV}); | |
1298 | } | |
1299 | elsif (exists $$self{mp}{o}) { | |
1300 | @args = $self->madness('o'); | |
1301 | } | |
1302 | elsif (exists $$self{PV}) { | |
1303 | @args = ('"', $$self{PV}, '"'); | |
1304 | } | |
1305 | elsif (exists $$self{NV}) { | |
1306 | @args = $$self{NV}; | |
1307 | } | |
1308 | elsif (exists $$self{IV}) { | |
1309 | @args = $$self{IV}; | |
1310 | } | |
1311 | else { | |
1312 | @args = $self->SUPER::text(@_); | |
1313 | } | |
1314 | return $self->newtype->new(Kids => [@before, @args]); | |
1315 | } | |
1316 | ||
1317 | ||
1318 | package PLXML::op_gvsv; | |
1319 | ||
1320 | sub ast { | |
1321 | my $self = shift; | |
1322 | my @args; | |
1323 | my @retval; | |
1324 | for my $attr (qw/gv GV flags/) { | |
1325 | if (exists $$self{$attr}) { | |
1326 | push @args, $attr, $$self{$attr}; | |
1327 | } | |
1328 | } | |
1329 | push @retval, @args; | |
1330 | push @retval, $self->madness('X'); | |
1331 | return $self->newtype->new(Kids => [@retval]); | |
1332 | } | |
1333 | ||
1334 | package PLXML::op_gv; | |
1335 | ||
1336 | sub ast { | |
1337 | my $self = shift; | |
1338 | my @newkids; | |
1339 | push @newkids, $self->madness('X K'); | |
1340 | ||
1341 | return $self->newtype->new(Kids => [@newkids]); | |
1342 | } | |
1343 | ||
1344 | package PLXML::op_gelem; | |
1345 | ||
1346 | sub ast { | |
1347 | my $self = shift; | |
1348 | ||
1349 | local $::curstate; # in case there are statements in subscript | |
1350 | local $::curenc = $::curenc; | |
1351 | my @newkids; | |
1352 | push @newkids, $self->madness('dx d'); | |
1353 | for my $kid (@{$$self{Kids}}) { | |
1354 | push @newkids, $kid->ast($self, @_); | |
1355 | } | |
1356 | splice @newkids, -1, 0, $self->madness('o {'); | |
1357 | push @newkids, $self->madness('}'); | |
1358 | ||
1359 | return $self->newtype->new(Kids => [@newkids]); | |
1360 | } | |
1361 | ||
1362 | package PLXML::op_padsv; | |
1363 | ||
1364 | sub ast { | |
1365 | my $self = shift; | |
1366 | my @args; | |
1367 | push @args, $self->madness('dx d ( $ )'); | |
1368 | ||
1369 | return $self->newtype->new(Kids => [@args]); | |
1370 | } | |
1371 | ||
1372 | package PLXML::op_padav; | |
1373 | ||
1374 | sub astnull { ast(@_) } | |
1375 | ||
1376 | sub ast { | |
1377 | my $self = shift; | |
1378 | my @retval; | |
1379 | push @retval, $self->madness('dx d ('); | |
1380 | push @retval, $self->madness('$ @'); | |
1381 | push @retval, $self->madness(') o O'); | |
1382 | return $self->newtype->new(Kids => [@retval]); | |
1383 | } | |
1384 | ||
1385 | package PLXML::op_padhv; | |
1386 | ||
1387 | sub astnull { ast(@_) } | |
1388 | ||
1389 | sub ast { | |
1390 | my $self = shift; | |
1391 | my @retval; | |
1392 | push @retval, $self->madness('dx d ('); | |
1393 | push @retval, $self->madness('$ @ %'); | |
1394 | push @retval, $self->madness(') o O'); | |
1395 | return $self->newtype->new(Kids => [@retval]); | |
1396 | } | |
1397 | ||
1398 | package PLXML::op_padany; | |
1399 | ||
1400 | package PLXML::op_pushre; | |
1401 | ||
1402 | sub ast { | |
1403 | my $self = shift; | |
1404 | if ($$self{mp}{q}) { | |
1405 | return $self->madness('q = Q m'); | |
1406 | } | |
1407 | if ($$self{mp}{X}) { | |
1408 | return $self->madness('X m'); | |
1409 | } | |
1410 | if ($$self{mp}{e}) { | |
1411 | return $self->madness('e m'); | |
1412 | } | |
1413 | return $$self{Kids}[1]->ast($self,@_), $self->madness('m'); | |
1414 | } | |
1415 | ||
1416 | package PLXML::op_rv2gv; | |
1417 | ||
1418 | sub ast { | |
1419 | my $self = shift; | |
1420 | ||
1421 | my @newkids; | |
1422 | push @newkids, $self->madness('dx d ( * $'); | |
1423 | push @newkids, $$self{Kids}[0]->ast(); | |
1424 | push @newkids, $self->madness(')'); | |
1425 | return $self->newtype->new(Kids => [@newkids]); | |
1426 | } | |
1427 | ||
1428 | package PLXML::op_rv2sv; | |
1429 | ||
1430 | sub astnull { | |
1431 | my $self = shift; | |
1432 | return P5AST::op_rv2sv->new(Kids => [$self->madness('O o dx d ( $ ) : a')]); | |
1433 | } | |
1434 | ||
1435 | sub ast { | |
1436 | my $self = shift; | |
1437 | ||
1438 | my @newkids; | |
1439 | push @newkids, $self->madness('dx d ( $'); | |
1440 | if (ref $$self{Kids}[0] ne "PLXML::op_gv") { | |
1441 | push @newkids, $$self{Kids}[0]->ast(); | |
1442 | } | |
1443 | push @newkids, $self->madness(') : a'); | |
1444 | return $self->newtype->new(Kids => [@newkids]); | |
1445 | } | |
1446 | ||
1447 | package PLXML::op_av2arylen; | |
1448 | ||
1449 | sub ast { | |
1450 | my $self = shift; | |
1451 | ||
1452 | my @newkids; | |
1453 | push @newkids, $$self{Kids}[0]->madness('l'); | |
1454 | push @newkids, $$self{Kids}[0]->ast(); | |
1455 | return $self->newtype->new(Kids => [@newkids]); | |
1456 | } | |
1457 | ||
1458 | package PLXML::op_rv2cv; | |
1459 | ||
1460 | sub astnull { | |
1461 | my $self = shift; | |
1462 | my @newkids; | |
1463 | push @newkids, $self->madness('X'); | |
1464 | return @newkids if @newkids; | |
1465 | if (exists $$self{mp}{'&'}) { | |
1466 | push @newkids, $self->madness('&'); | |
1467 | if (@{$$self{Kids}}) { | |
1468 | push @newkids, $$self{Kids}[0]->ast(@_); | |
1469 | } | |
1470 | } | |
1471 | else { | |
1472 | push @newkids, $$self{Kids}[0]->ast(@_); | |
1473 | } | |
1474 | return P5AST::op_rv2cv->new(Kids => [@newkids]); | |
1475 | } | |
1476 | ||
1477 | sub ast { | |
1478 | my $self = shift; | |
1479 | ||
1480 | my @newkids; | |
1481 | push @newkids, $self->madness('&'); | |
1482 | if (@{$$self{Kids}}) { | |
1483 | push @newkids, $$self{Kids}[0]->ast(); | |
1484 | } | |
1485 | return $self->newtype->new(Kids => [@newkids]); | |
1486 | } | |
1487 | ||
1488 | package PLXML::op_anoncode; | |
1489 | ||
1490 | sub ast { | |
1491 | my $self = shift; | |
1492 | my $arg = $$self{Kids}[0]; | |
1493 | local $::curstate; # hide nested statements in sub | |
1494 | local $::curenc = $::curenc; | |
1495 | if (defined $arg) { | |
1496 | return $arg->ast(@_); | |
1497 | } | |
1498 | return ';'; # XXX literal ; should come through somewhere | |
1499 | } | |
1500 | ||
1501 | package PLXML::op_prototype; | |
1502 | package PLXML::op_refgen; | |
1503 | ||
1504 | sub ast { | |
1505 | my $self = shift; | |
1506 | my @newkids = $self->madness('o s a'); | |
1507 | ||
1508 | if (exists $$self{Kids}) { | |
1509 | my $arg = $$self{Kids}[0]; | |
1510 | push @newkids, $arg->ast($self, @_) if defined $arg; | |
1511 | } | |
1512 | ||
1513 | my $res = $self->newtype->new(Kids => [@newkids]); | |
1514 | return $res; | |
1515 | } | |
1516 | ||
1517 | package PLXML::op_srefgen; | |
1518 | ||
1519 | sub ast { | |
1520 | my @newkids; | |
1521 | my $self = shift; | |
1522 | if ($$self{mp}{FIRST} eq '{') { | |
1523 | local $::curstate; # this is officially a block, so hide it | |
1524 | local $::curenc = $::curenc; | |
1525 | push @newkids, $self->madness('{'); | |
1526 | for my $kid (@{$$self{Kids}}) { | |
1527 | push @newkids, $kid->ast($self, @_); | |
1528 | } | |
1529 | push @newkids, $self->madness('; }'); | |
1530 | return P5AST::op_stringify->new(Kids => [@newkids]); | |
1531 | } | |
1532 | else { | |
1533 | push @newkids, $self->madness('o ['); | |
1534 | for my $kid (@{$$self{Kids}}) { | |
1535 | push @newkids, $kid->ast($self, @_); | |
1536 | } | |
1537 | push @newkids, $self->madness(']'); | |
1538 | return P5AST::op_stringify->new(Kids => [@newkids]); | |
1539 | } | |
1540 | } | |
1541 | ||
1542 | package PLXML::op_ref; | |
1543 | package PLXML::op_bless; | |
1544 | package PLXML::op_backtick; | |
1545 | ||
1546 | sub ast { | |
1547 | my $self = shift; | |
1548 | my @args; | |
1549 | if (exists $self->{mp}{q}) { | |
1550 | push @args, $self->madness('q'); | |
1551 | if ($args[-1]->uni =~ /^<</) { | |
1552 | my $opstub = bless { start => $args[-1] }, 'P5AST::heredoc'; | |
1553 | $args[-1] = $opstub; | |
1554 | $opstub->{doc} = P5AST::op_const->new(Kids => [$self->madness('=')]); | |
1555 | $opstub->{end} = ($self->madness('Q'))[-1]; | |
1556 | } | |
1557 | else { | |
1558 | push @args, $self->madness('= Q'); | |
1559 | } | |
1560 | } | |
1561 | return $self->newtype->new(Kids => [@args]); | |
1562 | } | |
1563 | ||
1564 | package PLXML::op_glob; | |
1565 | ||
1566 | sub astnull { | |
1567 | my $self = shift; | |
1568 | my @retval = $self->madness('o q = Q'); | |
1569 | if (not @retval or $retval[-1]->uni eq 'glob') { | |
1570 | push @retval, $self->madness('('); | |
1571 | push @retval, $$self{Kids}[0]->ast($self,@_); | |
1572 | push @retval, $self->madness(')'); | |
1573 | } | |
1574 | return P5AST::op_glob->new(Kids => [@retval]); | |
1575 | } | |
1576 | ||
1577 | package PLXML::op_readline; | |
1578 | ||
1579 | sub astnull { | |
1580 | my $self = shift; | |
1581 | my @retval; | |
1582 | if (exists $$self{mp}{q}) { | |
1583 | @retval = $self->madness('q = Q'); | |
1584 | } | |
1585 | elsif (exists $$self{mp}{X}) { | |
1586 | @retval = $self->madness('X'); | |
1587 | } | |
1588 | return P5AST::op_readline->new(Kids => [@retval]); | |
1589 | } | |
1590 | ||
1591 | sub ast { | |
1592 | my $self = shift; | |
1593 | ||
1594 | my @retval; | |
1595 | ||
1596 | my @args; | |
1597 | my $const; | |
1598 | if (exists $$self{mp}{q}) { | |
1599 | @args = $self->madness('q = Q'); | |
1600 | } | |
1601 | elsif (exists $$self{mp}{X}) { | |
1602 | @args = $self->madness('X'); | |
1603 | } | |
1604 | elsif (exists $$self{GV}) { | |
1605 | @args = $$self{IV}; | |
1606 | } | |
1607 | elsif (@{$$self{Kids}}) { | |
1608 | @args = $self->PLXML::unop::ast(@_); | |
1609 | } | |
1610 | else { | |
1611 | @args = $self->SUPER::text(@_); | |
1612 | } | |
1613 | return $self->newtype->new(Kids => [@retval,@args]); | |
1614 | } | |
1615 | ||
1616 | ||
1617 | package PLXML::op_rcatline; | |
1618 | package PLXML::op_regcmaybe; | |
1619 | package PLXML::op_regcreset; | |
1620 | package PLXML::op_regcomp; | |
1621 | ||
1622 | sub ast { | |
1623 | my $self = shift; | |
1624 | $self->PLXML::unop::ast(@_); | |
1625 | } | |
1626 | ||
1627 | package PLXML::op_match; | |
1628 | ||
1629 | sub ast { | |
1630 | my $self = shift; | |
1631 | my $retval = $self->SUPER::ast(@_); | |
1632 | my $p5re; | |
1633 | if (not $p5re = $retval->p5text()) { | |
1634 | $retval = $self->newtype->new(Kids => [$self->madness('X q = Q m')]); | |
1635 | $p5re = $retval->p5text(); | |
1636 | } | |
1637 | if ($deinterpolate) { | |
1638 | $retval->{P5re} = P5re::qrparse($p5re); | |
1639 | } | |
1640 | return $retval; | |
1641 | } | |
1642 | ||
1643 | package PLXML::op_qr; | |
1644 | ||
1645 | sub ast { | |
1646 | my $self = shift; | |
1647 | my $retval; | |
1648 | if (exists $$self{flags}) { | |
1649 | $retval = $self->SUPER::ast(@_); | |
1650 | } | |
1651 | else { | |
1652 | $retval = $self->newtype->new(Kids => [$self->madness('X q = Q m')]); | |
1653 | } | |
1654 | if ($deinterpolate) { | |
1655 | my $p5re = $retval->p5text(); | |
1656 | $retval->{P5re} = P5re::qrparse($p5re); | |
1657 | } | |
1658 | return $retval; | |
1659 | } | |
1660 | ||
1661 | package PLXML::op_subst; | |
1662 | ||
1663 | sub ast { | |
1664 | my $self = shift; | |
1665 | ||
1666 | my $bits = $self->fetchbits($$self{flags},@_); | |
1667 | ||
1668 | my @newkids; | |
1669 | if ($bits->{binding}) { | |
1670 | push @newkids, $bits->{binding}; | |
1671 | push @newkids, $self->madness('~'); | |
1672 | } | |
1673 | my $X = p5::token->new($$self{mp}{X}); | |
1674 | my @lfirst = $self->madness('q'); | |
1675 | my @llast = $self->madness('Q'); | |
1676 | push @newkids, | |
1677 | @lfirst, | |
1678 | $self->madness('E'), # XXX s/b e probably | |
1679 | @llast; | |
1680 | my @rfirst = $self->madness('z'); | |
1681 | my @rlast = $self->madness('Z'); | |
1682 | my @mods = $self->madness('m'); | |
1683 | if ($rfirst[-1]->uni ne $llast[-1]->uni) { | |
1684 | push @newkids, @rfirst; | |
1685 | } | |
b3f5cf18 GG |
1686 | # remove the fake '\n' if /e and '#' in replacement. |
1687 | if (@mods and $mods[0] =~ m/e/ and ($self->madness('R'))[0]->uni =~ m/#/) { | |
1688 | unshift @rlast, bless {}, 'chomp'; # hack to remove '\n' | |
1689 | } | |
6a28abbc NC |
1690 | push @newkids, $bits->{repl}, @rlast, @mods; |
1691 | ||
1692 | my $retval = $self->newtype->new(Kids => [@newkids]); | |
1693 | if ($deinterpolate) { | |
1694 | my $p5re = $retval->p5text(); | |
1695 | $retval->{P5re} = P5re::qrparse($p5re); | |
1696 | } | |
1697 | return $retval; | |
1698 | } | |
1699 | ||
1700 | package PLXML::op_substcont; | |
1701 | package PLXML::op_trans; | |
1702 | ||
1703 | sub ast { | |
1704 | my $self = shift; | |
1705 | ||
1706 | # my $bits = $self->fetchbits($$self{flags},@_); | |
1707 | # | |
1708 | my @newkids; | |
1709 | my @lfirst = $self->madness('q'); | |
1710 | my @llast = $self->madness('Q'); | |
1711 | push @newkids, | |
1712 | @lfirst, | |
1713 | $self->madness('E'), | |
1714 | @llast; | |
1715 | my @rfirst = $self->madness('z'); | |
1716 | my @repl = $self->madness('R'); | |
1717 | my @rlast = $self->madness('Z'); | |
1718 | my @mods = $self->madness('m'); | |
1719 | if ($rfirst[-1]->uni ne $llast[-1]->uni) { | |
1720 | push @newkids, @rfirst; | |
1721 | } | |
1722 | ||
1723 | push @newkids, @repl, @rlast, @mods; | |
1724 | ||
1725 | my $res = $self->newtype->new(Kids => [@newkids]); | |
1726 | return $res; | |
1727 | } | |
1728 | ||
1729 | package PLXML::op_sassign; | |
1730 | ||
1731 | sub ast { | |
1732 | my $self = shift; | |
1733 | my @newkids; | |
1734 | ||
1735 | my $right = $$self{Kids}[1]; | |
1736 | eval { push @newkids, $right->ast($self, @_); }; | |
1737 | ||
1738 | push @newkids, $self->madness('o'); | |
1739 | ||
1740 | my $left = $$self{Kids}[0]; | |
1741 | push @newkids, $left->ast($self, @_); | |
1742 | ||
1743 | return $self->newtype->new(Kids => [@newkids]); | |
1744 | } | |
1745 | ||
1746 | package PLXML::op_aassign; | |
1747 | ||
1748 | sub astnull { ast(@_) } | |
1749 | ||
1750 | sub ast { | |
1751 | my $self = shift; | |
1752 | my @newkids; | |
1753 | ||
1754 | my $right = $$self{Kids}[1]; | |
1755 | push @newkids, $right->ast($self, @_); | |
1756 | ||
1757 | push @newkids, $self->madness('o'); | |
1758 | ||
1759 | my $left = $$self{Kids}[0]; | |
1760 | push @newkids, $left->ast($self, @_); | |
1761 | ||
1762 | return $self->newtype->new(Kids => [@newkids]); | |
1763 | } | |
1764 | ||
1765 | package PLXML::op_chop; | |
1766 | package PLXML::op_schop; | |
1767 | package PLXML::op_chomp; | |
1768 | package PLXML::op_schomp; | |
1769 | package PLXML::op_defined; | |
1770 | package PLXML::op_undef; | |
1771 | package PLXML::op_study; | |
1772 | package PLXML::op_pos; | |
1773 | package PLXML::op_preinc; | |
1774 | ||
1775 | sub ast { | |
1776 | my $self = shift; | |
1777 | if ($$self{targ}) { # stealth post inc or dec | |
1778 | return $self->PLXML::op_postinc::ast(@_); | |
1779 | } | |
1780 | return $self->SUPER::ast(@_); | |
1781 | } | |
1782 | ||
1783 | package PLXML::op_i_preinc; | |
1784 | ||
1785 | sub ast { my $self = shift; $self->PLXML::op_preinc::ast(@_); } | |
1786 | ||
1787 | package PLXML::op_predec; | |
1788 | ||
1789 | sub ast { my $self = shift; $self->PLXML::op_preinc::ast(@_); } | |
1790 | ||
1791 | package PLXML::op_i_predec; | |
1792 | ||
1793 | sub ast { my $self = shift; $self->PLXML::op_preinc::ast(@_); } | |
1794 | ||
1795 | package PLXML::op_postinc; | |
1796 | ||
1797 | sub ast { | |
1798 | my $self = shift; | |
1799 | my @newkids; | |
1800 | ||
1801 | if (exists $$self{Kids}) { | |
1802 | my $arg = $$self{Kids}[0]; | |
1803 | push @newkids, $arg->ast($self, @_) if defined $arg; | |
1804 | } | |
1805 | push @newkids, $self->madness('o'); | |
1806 | ||
1807 | my $res = $self->newtype->new(Kids => [@newkids]); | |
1808 | return $res; | |
1809 | } | |
1810 | ||
1811 | package PLXML::op_i_postinc; | |
1812 | ||
1813 | sub ast { my $self = shift; $self->PLXML::op_postinc::ast(@_); } | |
1814 | ||
1815 | package PLXML::op_postdec; | |
1816 | ||
1817 | sub ast { my $self = shift; $self->PLXML::op_postinc::ast(@_); } | |
1818 | ||
1819 | package PLXML::op_i_postdec; | |
1820 | ||
1821 | sub ast { my $self = shift; $self->PLXML::op_postinc::ast(@_); } | |
1822 | ||
1823 | package PLXML::op_pow; | |
1824 | package PLXML::op_multiply; | |
1825 | package PLXML::op_i_multiply; | |
1826 | package PLXML::op_divide; | |
1827 | package PLXML::op_i_divide; | |
1828 | package PLXML::op_modulo; | |
1829 | package PLXML::op_i_modulo; | |
1830 | package PLXML::op_repeat; | |
1831 | ||
1832 | sub ast { | |
1833 | my $self = shift; | |
1834 | return $self->SUPER::ast(@_) | |
1835 | unless exists $$self{private} and $$self{private} =~ /DOLIST/; | |
1836 | ||
1837 | my $newself = $$self{Kids}[0]->ast($self,@_); | |
1838 | splice @{$newself->{Kids}}, -1, 0, $self->madness('o'); | |
1839 | ||
1840 | return bless $newself, $self->newtype; # rebless the op_null | |
1841 | } | |
1842 | ||
1843 | package PLXML::op_add; | |
1844 | package PLXML::op_i_add; | |
1845 | package PLXML::op_subtract; | |
1846 | package PLXML::op_i_subtract; | |
1847 | package PLXML::op_concat; | |
1848 | ||
1849 | sub astnull { | |
1850 | my $self = shift; | |
1851 | my @newkids; | |
1852 | ||
6a28abbc NC |
1853 | my @after; |
1854 | my $left = $$self{Kids}[0]; | |
1855 | push @newkids, $left->ast($self, @_); | |
1856 | ||
1857 | push @newkids, $self->madness('o'); | |
1858 | ||
1859 | my $right = $$self{Kids}[1]; | |
1860 | push @newkids, $right->ast($self, @_); | |
1861 | return P5AST::op_concat->new(Kids => [@newkids]); | |
1862 | } | |
1863 | ||
1864 | sub ast { | |
1865 | my $self = shift; | |
1866 | my $parent = $_[0]; | |
1867 | my @newkids; | |
1868 | ||
6a28abbc NC |
1869 | my @after; |
1870 | my $left = $$self{Kids}[0]; | |
1871 | push @newkids, $left->ast($self, @_); | |
1872 | ||
1873 | push @newkids, $self->madness('o'); | |
1874 | ||
1875 | my $right = $$self{Kids}[1]; | |
1876 | push @newkids, $right->ast($self, @_); | |
1877 | ||
1b438339 | 1878 | return $self->newtype->new(Kids => [@newkids, @after]); |
6a28abbc NC |
1879 | } |
1880 | ||
1881 | package PLXML::op_stringify; | |
1882 | ||
1883 | sub astnull { | |
1884 | ast(@_); | |
1885 | } | |
1886 | ||
1887 | sub ast { | |
1888 | my $self = shift; | |
1889 | my @newkids; | |
1890 | my @front = $self->madness('q ('); | |
1891 | my @back = $self->madness(') Q'); | |
1892 | my @M = $self->madness('M'); | |
1893 | if (@M) { | |
1894 | push @newkids, $M[0], $self->madness('o'); | |
1895 | } | |
1896 | push @newkids, @front; | |
1897 | for my $kid (@{$$self{Kids}}) { | |
1898 | push @newkids, $kid->ast($self, @_); | |
1899 | } | |
1900 | push @newkids, @back; | |
1901 | return P5AST::op_stringify->new(Kids => [@newkids]); | |
1902 | } | |
1903 | ||
1904 | package PLXML::op_left_shift; | |
1905 | package PLXML::op_right_shift; | |
1906 | package PLXML::op_lt; | |
1907 | package PLXML::op_i_lt; | |
1908 | package PLXML::op_gt; | |
1909 | package PLXML::op_i_gt; | |
1910 | package PLXML::op_le; | |
1911 | package PLXML::op_i_le; | |
1912 | package PLXML::op_ge; | |
1913 | package PLXML::op_i_ge; | |
1914 | package PLXML::op_eq; | |
1915 | package PLXML::op_i_eq; | |
1916 | package PLXML::op_ne; | |
1917 | package PLXML::op_i_ne; | |
1918 | package PLXML::op_ncmp; | |
1919 | package PLXML::op_i_ncmp; | |
1920 | package PLXML::op_slt; | |
1921 | package PLXML::op_sgt; | |
1922 | package PLXML::op_sle; | |
1923 | package PLXML::op_sge; | |
1924 | package PLXML::op_seq; | |
1925 | package PLXML::op_sne; | |
1926 | package PLXML::op_scmp; | |
1927 | package PLXML::op_bit_and; | |
1928 | package PLXML::op_bit_xor; | |
1929 | package PLXML::op_bit_or; | |
1930 | package PLXML::op_negate; | |
1931 | package PLXML::op_i_negate; | |
1932 | package PLXML::op_not; | |
1933 | ||
1934 | sub ast { | |
1935 | my $self = shift; | |
1936 | my @newkids = $self->madness('o ('); | |
1937 | my @swap; | |
1938 | if (@newkids and $newkids[-1]->uni eq '!~') { | |
1939 | @swap = @newkids; | |
1940 | @newkids = (); | |
1941 | } | |
1942 | ||
1943 | if (exists $$self{Kids}) { | |
1944 | my $arg = $$self{Kids}[0]; | |
1945 | push @newkids, $arg->ast($self, @_) if defined $arg; | |
1946 | } | |
1947 | if (@swap) { | |
1948 | splice @{$newkids[-1][0]{Kids}}, -2, 0, @swap; # XXX WAG | |
1949 | } | |
1950 | push @newkids, $self->madness(')'); | |
1951 | ||
1952 | my $res = $self->newtype->new(Kids => [@newkids]); | |
1953 | return $res; | |
1954 | } | |
1955 | ||
1956 | package PLXML::op_complement; | |
1957 | package PLXML::op_atan2; | |
1958 | package PLXML::op_sin; | |
1959 | package PLXML::op_cos; | |
1960 | package PLXML::op_rand; | |
1961 | package PLXML::op_srand; | |
1962 | package PLXML::op_exp; | |
1963 | package PLXML::op_log; | |
1964 | package PLXML::op_sqrt; | |
1965 | package PLXML::op_int; | |
1966 | package PLXML::op_hex; | |
1967 | package PLXML::op_oct; | |
1968 | package PLXML::op_abs; | |
1969 | package PLXML::op_length; | |
1970 | package PLXML::op_substr; | |
1971 | package PLXML::op_vec; | |
1972 | package PLXML::op_index; | |
1973 | package PLXML::op_rindex; | |
1974 | package PLXML::op_sprintf; | |
1975 | package PLXML::op_formline; | |
1976 | package PLXML::op_ord; | |
1977 | package PLXML::op_chr; | |
1978 | package PLXML::op_crypt; | |
1979 | package PLXML::op_ucfirst; | |
1980 | ||
1981 | sub ast { | |
1982 | my $self = shift; | |
1983 | return $self->PLXML::listop::ast(@_); | |
1984 | } | |
1985 | ||
1986 | package PLXML::op_lcfirst; | |
1987 | ||
1988 | sub ast { | |
1989 | my $self = shift; | |
1990 | return $self->PLXML::listop::ast(@_); | |
1991 | } | |
1992 | ||
1993 | package PLXML::op_uc; | |
1994 | ||
1995 | sub ast { | |
1996 | my $self = shift; | |
1997 | return $self->PLXML::listop::ast(@_); | |
1998 | } | |
1999 | ||
2000 | package PLXML::op_lc; | |
2001 | ||
2002 | sub ast { | |
2003 | my $self = shift; | |
2004 | return $self->PLXML::listop::ast(@_); | |
2005 | } | |
2006 | ||
2007 | package PLXML::op_quotemeta; | |
2008 | ||
2009 | sub ast { | |
2010 | my $self = shift; | |
2011 | return $self->PLXML::listop::ast(@_); | |
2012 | } | |
2013 | ||
2014 | package PLXML::op_rv2av; | |
2015 | ||
2016 | sub astnull { | |
2017 | my $self = shift; | |
2018 | return P5AST::op_rv2av->new(Kids => [$self->madness('$ @')]); | |
2019 | } | |
2020 | ||
2021 | sub ast { | |
2022 | my $self = shift; | |
2023 | ||
2024 | if (ref $$self{Kids}[0] eq 'PLXML::op_const' and $$self{mp}{'O'}) { | |
2025 | return $self->madness('O'); | |
2026 | } | |
2027 | ||
2028 | my @before; | |
2029 | push @before, $self->madness('dx d ('); | |
2030 | ||
2031 | my @newkids; | |
2032 | push @newkids, $self->madness('$ @ K'); | |
2033 | if (ref $$self{Kids}[0] ne "PLXML::op_gv") { | |
2034 | push @newkids, $$self{Kids}[0]->ast(); | |
2035 | } | |
2036 | my @after; | |
2037 | push @after, $self->madness(') a'); | |
2038 | return $self->newtype->new(Kids => [@before, @newkids, @after]); | |
2039 | } | |
2040 | ||
2041 | package PLXML::op_aelemfast; | |
2042 | ||
2043 | sub ast { | |
2044 | my $self = shift; | |
2045 | return $self->madness('$'); | |
2046 | } | |
2047 | ||
2048 | package PLXML::op_aelem; | |
2049 | ||
2050 | sub astnull { | |
2051 | my $self = shift; | |
2052 | my @newkids; | |
2053 | push @newkids, $self->madness('dx d'); | |
2054 | for my $kid (@{$$self{Kids}}) { | |
2055 | push @newkids, $kid->ast($self, @_); | |
2056 | } | |
2057 | splice @newkids, -1, 0, $self->madness('a ['); | |
2058 | push @newkids, $self->madness(']'); | |
2059 | return P5AST::op_aelem->new(Kids => [@newkids]); | |
2060 | } | |
2061 | ||
2062 | sub ast { | |
2063 | my $self = shift; | |
2064 | ||
2065 | my @before = $self->madness('dx d'); | |
2066 | my @newkids; | |
2067 | for my $kid (@{$$self{Kids}}) { | |
2068 | push @newkids, $kid->ast(@_); | |
2069 | } | |
2070 | splice @newkids, -1, 0, $self->madness('a ['); | |
2071 | push @newkids, $self->madness(']'); | |
2072 | ||
2073 | return $self->newtype->new(Kids => [@before, @newkids]); | |
2074 | } | |
2075 | ||
2076 | package PLXML::op_aslice; | |
2077 | ||
2078 | sub astnull { | |
2079 | my $self = shift; | |
2080 | my @newkids; | |
2081 | push @newkids, $self->madness('['); | |
2082 | for my $kid (@{$$self{Kids}}) { | |
2083 | push @newkids, $kid->ast(@_); | |
2084 | } | |
2085 | unshift @newkids, pop @newkids; | |
2086 | unshift @newkids, $self->madness('dx d'); | |
2087 | push @newkids, $self->madness(']'); | |
2088 | return P5AST::op_aslice->new(Kids => [@newkids]); | |
2089 | } | |
2090 | ||
2091 | sub ast { | |
2092 | my $self = shift; | |
2093 | ||
2094 | my @newkids; | |
2095 | push @newkids, $self->madness('['); | |
2096 | for my $kid (@{$$self{Kids}}) { | |
2097 | push @newkids, $kid->ast(@_); | |
2098 | } | |
2099 | unshift @newkids, pop @newkids; | |
2100 | unshift @newkids, $self->madness('dx d'); | |
2101 | push @newkids, $self->madness(']'); | |
2102 | ||
2103 | return $self->newtype->new(Kids => [@newkids]); | |
2104 | } | |
2105 | ||
2106 | package PLXML::op_each; | |
2107 | package PLXML::op_values; | |
2108 | package PLXML::op_keys; | |
2109 | package PLXML::op_delete; | |
2110 | package PLXML::op_exists; | |
2111 | package PLXML::op_rv2hv; | |
2112 | ||
2113 | sub astnull { | |
2114 | my $self = shift; | |
2115 | return P5AST::op_rv2hv->new(Kids => [$self->madness('$')]); | |
2116 | } | |
2117 | ||
2118 | sub ast { | |
2119 | my $self = shift; | |
2120 | ||
2121 | my @before; | |
2122 | push @before, $self->madness('dx d ('); | |
2123 | ||
2124 | my @newkids; | |
2125 | push @newkids, $self->madness('$ @ % K'); | |
2126 | if (ref $$self{Kids}[0] ne "PLXML::op_gv") { | |
2127 | push @newkids, $$self{Kids}[0]->ast(); | |
2128 | } | |
2129 | my @after; | |
2130 | push @after, $self->madness(') a'); | |
2131 | return $self->newtype->new(Kids => [@before, @newkids, @after]); | |
2132 | } | |
2133 | ||
2134 | package PLXML::op_helem; | |
2135 | ||
2136 | sub astnull { | |
2137 | my $self = shift; | |
2138 | local $::curstate; # hash subscript potentially a lineseq | |
2139 | local $::curenc = $::curenc; | |
2140 | ||
2141 | my @newkids; | |
2142 | push @newkids, $self->madness('dx d'); | |
2143 | for my $kid (@{$$self{Kids}}) { | |
2144 | push @newkids, $kid->ast($self, @_); | |
2145 | } | |
2146 | splice @newkids, -1, 0, $self->madness('a {'); | |
2147 | push @newkids, $self->madness('}'); | |
2148 | return P5AST::op_helem->new(Kids => [@newkids]); | |
2149 | } | |
2150 | ||
2151 | sub ast { | |
2152 | my $self = shift; | |
2153 | local $::curstate; # hash subscript potentially a lineseq | |
2154 | local $::curenc = $::curenc; | |
2155 | ||
2156 | my @before = $self->madness('dx d'); | |
2157 | my @newkids; | |
2158 | for my $kid (@{$$self{Kids}}) { | |
2159 | push @newkids, $kid->ast($self, @_); | |
2160 | } | |
2161 | splice @newkids, -1, 0, $self->madness('a {'); | |
2162 | push @newkids, $self->madness('}'); | |
2163 | ||
2164 | return $self->newtype->new(Kids => [@before, @newkids]); | |
2165 | } | |
2166 | ||
2167 | ||
2168 | package PLXML::op_hslice; | |
2169 | ||
2170 | sub astnull { | |
2171 | my $self = shift; | |
2172 | my @newkids; | |
2173 | push @newkids, $self->madness('{'); | |
2174 | for my $kid (@{$$self{Kids}}) { | |
2175 | push @newkids, $kid->ast(@_); | |
2176 | } | |
2177 | unshift @newkids, pop @newkids; | |
2178 | unshift @newkids, $self->madness('dx d'); | |
2179 | push @newkids, $self->madness('}'); | |
2180 | return P5AST::op_hslice->new(Kids => [@newkids]); | |
2181 | } | |
2182 | ||
2183 | sub ast { | |
2184 | my $self = shift; | |
2185 | ||
2186 | my @newkids; | |
2187 | push @newkids, $self->madness('{'); | |
2188 | for my $kid (@{$$self{Kids}}) { | |
2189 | push @newkids, $kid->ast(@_); | |
2190 | } | |
2191 | unshift @newkids, pop @newkids; | |
2192 | unshift @newkids, $self->madness('dx d'); | |
2193 | push @newkids, $self->madness('}'); | |
2194 | ||
2195 | return $self->newtype->new(Kids => [@newkids]); | |
2196 | } | |
2197 | ||
2198 | package PLXML::op_unpack; | |
2199 | package PLXML::op_pack; | |
2200 | package PLXML::op_split; | |
6a28abbc NC |
2201 | package PLXML::op_join; |
2202 | package PLXML::op_list; | |
2203 | ||
2204 | sub astnull { | |
2205 | my $self = shift; | |
2206 | my @newkids; | |
2207 | my @retval; | |
2208 | my @before; | |
2209 | if (@retval = $self->madness('X')) { | |
2210 | push @before, $self->madness('x o'); | |
2211 | return @before,@retval; | |
2212 | } | |
2213 | my @kids = @{$$self{Kids}}; | |
2214 | for my $kid (@kids) { | |
2215 | next if ref $kid eq 'PLXML::op_pushmark'; | |
2216 | next if ref $kid eq 'PLXML::op_null' and | |
2217 | defined $$kid{was} and $$kid{was} eq 'pushmark'; | |
2218 | push @newkids, $kid->ast($self, @_); | |
2219 | } | |
2220 | ||
2221 | my $x = ""; | |
2222 | my @newnewkids = (); | |
2223 | push @newnewkids, $self->madness('dx d ('); | |
2224 | push @newnewkids, @newkids; | |
2225 | push @newnewkids, $self->madness(') :'); | |
2226 | return P5AST::op_list->new(Kids => [@newnewkids]); | |
2227 | } | |
2228 | ||
2229 | sub ast { | |
2230 | my $self = shift; | |
2231 | ||
2232 | my @retval; | |
2233 | my @before; | |
2234 | if (@retval = $self->madness('X')) { | |
2235 | push @before, $self->madness('o'); | |
2236 | return $self->newtype->new(Kids => [@before,@retval]); | |
2237 | } | |
2238 | push @retval, $self->madness('dx d ('); | |
2239 | ||
2240 | my @newkids; | |
2241 | for my $kid (@{$$self{Kids}}) { | |
2242 | push @newkids, $kid->ast($self, @_); | |
2243 | } | |
2244 | my $x = ""; | |
2245 | my @newnewkids = (); | |
2246 | push @newnewkids, @newkids; | |
2247 | @newkids = @newnewkids; | |
2248 | push @retval, @newkids; | |
2249 | push @retval, $self->madness(') :'); | |
2250 | return $self->newtype->new(Kids => [@retval]); | |
2251 | } | |
2252 | ||
2253 | package PLXML::op_lslice; | |
2254 | ||
2255 | sub ast { | |
2256 | my $self = shift; | |
2257 | my @newkids; | |
2258 | ||
2259 | if ($$self{mp}{q}) { | |
2260 | push @newkids, $self->madness('q = Q'); | |
2261 | } | |
2262 | elsif ($$self{mp}{x}) { | |
2263 | push @newkids, $self->madness('x'); | |
2264 | } | |
2265 | else { | |
2266 | push @newkids, $self->madness('('); | |
2267 | my $list = $$self{Kids}[1]; | |
2268 | push @newkids, $list->ast($self, @_); | |
2269 | push @newkids, $self->madness(')'); | |
2270 | } | |
2271 | ||
2272 | push @newkids, $self->madness('['); | |
2273 | ||
2274 | my $slice = $$self{Kids}[0]; | |
2275 | push @newkids, $slice->ast($self, @_); | |
2276 | push @newkids, $self->madness(']'); | |
2277 | ||
2278 | return $self->newtype->new(Kids => [@newkids]); | |
2279 | } | |
2280 | ||
2281 | package PLXML::op_anonlist; | |
2282 | package PLXML::op_anonhash; | |
2283 | package PLXML::op_splice; | |
2284 | package PLXML::op_push; | |
2285 | package PLXML::op_pop; | |
2286 | package PLXML::op_shift; | |
2287 | package PLXML::op_unshift; | |
2288 | package PLXML::op_sort; | |
2289 | package PLXML::op_reverse; | |
2290 | ||
2291 | sub astnull { | |
2292 | my $self = shift; | |
2293 | $self->PLXML::listop::ast(@_); | |
2294 | } | |
2295 | ||
2296 | package PLXML::op_grepstart; | |
2297 | package PLXML::op_grepwhile; | |
2298 | package PLXML::op_mapstart; | |
2299 | package PLXML::op_mapwhile; | |
2300 | package PLXML::op_range; | |
2301 | ||
2302 | sub ast { | |
2303 | my $self = shift; | |
2304 | return $self->PLXML::binop::ast(@_); | |
2305 | } | |
2306 | ||
2307 | package PLXML::op_flip; | |
2308 | package PLXML::op_flop; | |
2309 | package PLXML::op_and; | |
2310 | ||
2311 | sub astnull { | |
2312 | my $self = shift; | |
2313 | my @newkids; | |
2314 | my @first = $self->madness('1'); | |
2315 | my @second = $self->madness('2'); | |
2316 | my @stuff = $$self{Kids}[0]->ast(); | |
2317 | if (my @I = $self->madness('I')) { | |
2318 | if (@second) { | |
2319 | push @newkids, @I; | |
2320 | push @newkids, $self->madness('('); | |
2321 | push @newkids, @stuff; | |
2322 | push @newkids, $self->madness(')'); | |
2323 | push @newkids, @second; | |
2324 | } | |
2325 | else { | |
2326 | push @newkids, @I; | |
2327 | push @newkids, $self->madness('('); | |
2328 | push @newkids, @first; | |
2329 | push @newkids, $self->madness(')'); | |
2330 | push @newkids, @stuff; | |
2331 | } | |
2332 | } | |
2333 | elsif (my @i = $self->madness('i')) { | |
2334 | if (@second) { | |
2335 | push @newkids, @second; | |
2336 | push @newkids, @i; | |
2337 | push @newkids, @stuff; | |
2338 | } | |
2339 | else { | |
2340 | push @newkids, @stuff; | |
2341 | push @newkids, @i; | |
2342 | push @newkids, @first; | |
2343 | } | |
2344 | } | |
2345 | elsif (my @o = $self->madness('o')) { | |
2346 | if (@second) { | |
2347 | push @newkids, @stuff; | |
2348 | push @newkids, @o; | |
2349 | push @newkids, @second; | |
2350 | } | |
2351 | else { | |
2352 | push @newkids, @first; | |
2353 | push @newkids, @o; | |
2354 | push @newkids, @stuff; | |
2355 | } | |
2356 | } | |
2357 | return P5AST::op_and->new(Kids => [@newkids]); | |
2358 | } | |
2359 | ||
2360 | package PLXML::op_or; | |
2361 | ||
2362 | sub astnull { | |
2363 | my $self = shift; | |
2364 | my @newkids; | |
2365 | my @first = $self->madness('1'); | |
2366 | my @second = $self->madness('2'); | |
2367 | my @i = $self->madness('i'); | |
2368 | my @stuff = $$self{Kids}[0]->ast(); | |
2369 | if (@second) { | |
2370 | if (@i) { | |
2371 | push @newkids, @second; | |
2372 | push @newkids, $self->madness('i'); | |
2373 | push @newkids, @stuff; | |
2374 | } | |
2375 | else { | |
2376 | push @newkids, @stuff; | |
2377 | push @newkids, $self->madness('o'); | |
2378 | push @newkids, @second; | |
2379 | } | |
2380 | } | |
2381 | else { | |
2382 | if (@i) { | |
2383 | push @newkids, @stuff; | |
2384 | push @newkids, $self->madness('i'); | |
2385 | push @newkids, @first; | |
2386 | } | |
2387 | else { | |
2388 | push @newkids, @first; | |
2389 | push @newkids, $self->madness('o'); | |
2390 | push @newkids, @stuff; | |
2391 | } | |
2392 | } | |
2393 | return "P5AST::op_$$self{was}"->new(Kids => [@newkids]); | |
2394 | } | |
2395 | ||
2396 | ||
2397 | package PLXML::op_xor; | |
2398 | package PLXML::op_cond_expr; | |
2399 | package PLXML::op_andassign; | |
2400 | package PLXML::op_orassign; | |
2401 | package PLXML::op_method; | |
2402 | package PLXML::op_entersub; | |
2403 | ||
2404 | sub ast { | |
2405 | my $self = shift; | |
2406 | ||
2407 | if ($$self{mp}{q}) { | |
2408 | return $self->madness('q = Q'); | |
2409 | } | |
2410 | if ($$self{mp}{X}) { # <FH> override? | |
2411 | return $self->madness('X'); | |
2412 | } | |
2413 | if ($$self{mp}{A}) { | |
2414 | return $self->astmethod(@_); | |
2415 | } | |
2416 | if ($$self{mp}{a}) { | |
2417 | return $self->astarrow(@_); | |
2418 | } | |
2419 | ||
2420 | my @retval; | |
2421 | ||
2422 | my @newkids; | |
2423 | my @kids = @{$$self{Kids}}; | |
2424 | if (@kids == 1 and ref $kids[0] eq 'PLXML::op_null' and $kids[0]{was} =~ /list/) { | |
2425 | @kids = @{$kids[0]{Kids}}; | |
2426 | } | |
2427 | my $dest = pop @kids; | |
2428 | my @dest = $dest->ast($self, @_); | |
2429 | ||
2430 | if (ref($dest) =~ /method/) { | |
2431 | my $invocant = shift @kids; | |
2432 | $invocant = shift @kids if ref($invocant) eq 'PLXML::op_pushmark'; | |
2433 | my @invocant = $invocant->ast($self, @_); | |
2434 | push @retval, @dest; | |
2435 | push @retval, @invocant; | |
2436 | } | |
2437 | elsif (exists $$self{mp}{o} and $$self{mp}{o} eq 'do') { | |
2438 | push @retval, $self->madness('o'); | |
2439 | push @retval, @dest; | |
2440 | } | |
2441 | else { | |
2442 | push @retval, $self->madness('o'); | |
2443 | push @retval, @dest; | |
2444 | } | |
2445 | while (@kids) { | |
2446 | my $kid = shift(@kids); | |
2447 | push @newkids, $kid->ast($self, @_); | |
2448 | } | |
2449 | ||
2450 | push @retval, $self->madness('('); | |
2451 | push @retval, @newkids; | |
2452 | push @retval, $self->madness(')'); | |
2453 | return $self->newtype->new(Kids => [@retval]); | |
2454 | } | |
2455 | ||
2456 | sub astmethod { | |
2457 | my $self = shift; | |
2458 | my @newkids; | |
2459 | my @kids; | |
2460 | for my $kid (@{$$self{Kids}}) { | |
2461 | next if ref $kid eq 'PLXML::op_pushmark'; | |
2462 | next if ref $kid eq 'PLXML::op_null' and | |
2463 | defined $$kid{was} and $$kid{was} eq 'pushmark'; | |
2464 | push @kids, $kid; | |
2465 | } | |
2466 | my @invocant; | |
2467 | if ($$self{flags} =~ /\bSTACKED\b/) { | |
2468 | push @invocant, shift(@kids)->ast($self, @_); | |
2469 | } | |
2470 | for my $kid (@kids) { | |
2471 | push @newkids, $kid->ast($self, @_); | |
2472 | } | |
2473 | my $dest = pop(@newkids); | |
2474 | if (ref $dest eq 'PLXML::op_rv2cv' and $$self{flags} =~ /\bMOD\b/) { | |
2475 | $dest = pop(@newkids); | |
2476 | } | |
2477 | my $x = ""; | |
2478 | my @retval; | |
2479 | push @retval, @invocant; | |
2480 | push @retval, $self->madness('A'); | |
2481 | push @retval, $dest; | |
2482 | push @retval, $self->madness('('); | |
2483 | push @retval, @newkids; | |
2484 | push @retval, $self->madness(')'); | |
2485 | return $self->newtype->new(Kids => [@retval]); | |
2486 | } | |
2487 | ||
2488 | sub astarrow { | |
2489 | my $self = shift; | |
2490 | my @newkids; | |
2491 | my @retval; | |
2492 | my @kids = @{$$self{Kids}}; | |
2493 | if (@kids == 1 and ref $kids[0] eq 'PLXML::op_null' and $kids[0]{was} =~ /list/) { | |
2494 | @kids = @{$kids[0]{Kids}}; | |
2495 | } | |
2496 | while (@kids > 1) { | |
2497 | my $kid = shift(@kids); | |
2498 | push @newkids, $kid->ast($self, @_); | |
2499 | } | |
2500 | my @dest = $kids[0]->ast($self, @_); | |
2501 | my $x = ""; | |
2502 | push @retval, @dest; | |
2503 | push @retval, $self->madness('a'); | |
2504 | push @retval, $self->madness('('); | |
2505 | push @retval, @newkids; | |
2506 | push @retval, $self->madness(')'); | |
2507 | return $self->newtype->new(Kids => [@retval]); | |
2508 | } | |
2509 | ||
2510 | package PLXML::op_leavesub; | |
2511 | ||
2512 | sub ast { | |
2513 | my $self = shift; | |
2514 | if (ref $$self{Kids}[0] eq "PLXML::op_null") { | |
2515 | return $$self{Kids}[0]->ast(@_); | |
2516 | } | |
2517 | return $$self{Kids}[0]->blockast($self, @_); | |
2518 | } | |
2519 | ||
2520 | package PLXML::op_leavesublv; | |
2521 | ||
2522 | sub ast { | |
2523 | my $self = shift; | |
2524 | ||
2525 | return $$self{Kids}[0]->blockast($self, @_); | |
2526 | } | |
2527 | ||
2528 | package PLXML::op_caller; | |
2529 | package PLXML::op_warn; | |
2530 | package PLXML::op_die; | |
2531 | package PLXML::op_reset; | |
2532 | package PLXML::op_lineseq; | |
2533 | ||
2534 | sub lineseq { | |
2535 | my $self = shift; | |
2536 | my @kids = @{$$self{Kids}}; | |
2537 | local $::curstate = 0; # (probably redundant, but that's okay) | |
2538 | local $::prevstate = 0; | |
2539 | local $::curenc = $::curenc; | |
2540 | my @retval; | |
2541 | my @newstuff; | |
2542 | my $newprev; | |
2543 | while (@kids) { | |
2544 | my $kid = shift @kids; | |
2545 | my $thing = $kid->ast($self, @_); | |
2546 | next unless defined $thing; | |
2547 | if ($::curstate ne $::prevstate) { | |
2548 | if ($::prevstate) { | |
2549 | push @newstuff, $::prevstate->madness(';'); | |
2550 | push @{$newprev->{Kids}}, @newstuff if $newprev; | |
2551 | @newstuff = (); | |
2552 | } | |
2553 | $::prevstate = $::curstate; | |
2554 | $newprev = $thing; | |
2555 | push @retval, $thing; | |
2556 | } | |
2557 | elsif ($::prevstate) { | |
2558 | push @newstuff, $thing; | |
2559 | } | |
2560 | else { | |
2561 | push @retval, $thing; | |
2562 | } | |
2563 | } | |
2564 | if ($::prevstate) { | |
2565 | push @newstuff, $::prevstate->madness(';'); | |
2566 | push @{$newprev->{Kids}}, @newstuff if $newprev; | |
2567 | @newstuff = (); | |
2568 | $::prevstate = 0; | |
2569 | } | |
2570 | return @retval; | |
2571 | } | |
2572 | ||
2573 | sub blockast { | |
2574 | my $self = shift; | |
2575 | local $::curstate; | |
2576 | ||
2577 | my @retval; | |
2578 | push @retval, $self->madness('{'); | |
2579 | ||
2580 | my @newkids = $self->PLXML::op_lineseq::lineseq(@_); | |
2581 | push @retval, @newkids; | |
2582 | ||
2583 | push @retval, $self->madness('; }'); | |
2584 | return $self->newtype->new(Kids => [@retval]); | |
2585 | } | |
2586 | ||
2587 | package PLXML::op_nextstate; | |
2588 | ||
2589 | sub newtype { return "P5AST::statement" } | |
2590 | ||
2591 | sub astnull { | |
2592 | my $self = shift; | |
2593 | my @newkids; | |
2594 | push @newkids, $self->madness('L'); | |
2595 | $::curstate = $self; | |
2596 | return P5AST::statement->new(Kids => [@newkids]); | |
2597 | } | |
2598 | ||
2599 | sub ast { | |
2600 | my $self = shift; | |
2601 | ||
2602 | my @newkids; | |
2603 | push @newkids, $self->madness('L'); | |
2604 | $::curstate = $self; | |
2605 | return $self->newtype->new(Kids => [@newkids]); | |
2606 | } | |
2607 | ||
2608 | ||
2609 | package PLXML::op_dbstate; | |
2610 | package PLXML::op_unstack; | |
2611 | package PLXML::op_enter; | |
2612 | ||
2613 | sub ast { () } | |
2614 | ||
2615 | package PLXML::op_leave; | |
2616 | ||
2617 | sub astnull { | |
2618 | ast(@_); | |
2619 | } | |
2620 | ||
2621 | sub ast { | |
2622 | my $self = shift; | |
2623 | ||
2624 | my $mad = $$self{mp}{FIRST} || "unknown"; | |
2625 | ||
2626 | my @retval; | |
2627 | if ($mad eq 'w') { | |
2628 | my @newkids; | |
2629 | my @tmpkids; | |
2630 | push @tmpkids, $self->{Kids}; | |
2631 | my $anddo = $$self{Kids}[-1]{Kids}[0]{Kids}; | |
2632 | eval { push @newkids, $anddo->[1]->ast($self,@_); }; | |
2633 | push @newkids, "[[[NOANDDO]]]" if $@; | |
2634 | push @newkids, $self->madness('w'); | |
2635 | push @newkids, $anddo->[0]->ast($self,@_); | |
2636 | ||
2637 | return $self->newtype->new(Kids => [@newkids]); | |
2638 | } | |
2639 | ||
2640 | local $::curstate; | |
2641 | push @retval, $self->madness('o {'); | |
2642 | ||
2643 | my @newkids = $self->PLXML::op_lineseq::lineseq(@_); | |
2644 | push @retval, @newkids; | |
2645 | push @retval, $self->madness(q/; }/); | |
2646 | my $retval = $self->newtype->new(Kids => [@retval]); | |
2647 | ||
2648 | if ($$self{mp}{C}) { | |
2649 | my @before; | |
2650 | my @after; | |
2651 | push @before, $self->madness('I ( C )'); | |
2652 | if ($$self{mp}{t}) { | |
2653 | push @before, $self->madness('t'); | |
2654 | } | |
2655 | elsif ($$self{mp}{e}) { | |
2656 | push @after, $self->madness('e'); | |
2657 | } | |
2658 | return P5AST::op_cond->new(Kids => [@before, $retval, @after]); | |
2659 | } | |
2660 | else { | |
2661 | return $retval; | |
2662 | } | |
2663 | } | |
2664 | ||
2665 | package PLXML::op_scope; | |
2666 | ||
2667 | sub ast { | |
2668 | my $self = shift; | |
2669 | local $::curstate; | |
2670 | ||
2671 | my @newkids; | |
2672 | push @newkids, $self->madness('o'); | |
2673 | ||
2674 | push @newkids, $self->madness('{'); | |
2675 | push @newkids, $self->PLXML::op_lineseq::lineseq(@_); | |
2676 | push @newkids, $self->madness('; }'); | |
2677 | ||
2678 | my @folded = $self->madness('C'); | |
2679 | if (@folded) { | |
2680 | my @t = $self->madness('t'); | |
2681 | my @e = $self->madness('e'); | |
2682 | if (@e) { | |
2683 | return $self->newtype->new( | |
2684 | Kids => [ | |
2685 | $self->madness('I ('), | |
2686 | @folded, | |
2687 | $self->madness(')'), | |
2688 | $self->newtype->new(Kids => [@newkids]), | |
2689 | @e | |
2690 | ] ); | |
2691 | } | |
2692 | else { | |
2693 | return $self->newtype->new( | |
2694 | Kids => [ | |
2695 | $self->madness('I ('), | |
2696 | @folded, | |
2697 | $self->madness(')'), | |
2698 | @t, | |
2699 | $self->newtype->new(Kids => [@newkids]) | |
2700 | ] ); | |
2701 | } | |
2702 | } | |
2703 | return $self->newtype->new(Kids => [@newkids]); | |
2704 | } | |
2705 | ||
2706 | package PLXML::op_enteriter; | |
2707 | ||
2708 | sub ast { | |
2709 | my $self = shift; | |
2710 | my (undef,$range,$var) = @{$self->{Kids}}; | |
2711 | my @retval; | |
2712 | push @retval, $self->madness('v'); | |
2713 | if (!@retval and defined $var) { | |
2714 | push @retval, $var->ast($self,@_); | |
2715 | } | |
2716 | else { | |
2717 | push @retval, ''; | |
2718 | } | |
2719 | if (ref $range eq 'PLXML::op_null' and $$self{flags} =~ /STACKED/) { | |
2720 | my (undef,$min,$max) = @{$range->{Kids}}; | |
2721 | push @retval, $min->ast($self,@_); | |
2722 | if (defined $max) { | |
2723 | if (exists $$range{mp}{O}) { # deeply buried .. operator | |
2724 | PLXML::prepreproc($$range{mp}{O}); | |
2725 | push @retval, | |
2726 | $$range{mp}{'O'}{Kids}[0]{Kids}[0]{Kids}[0]{Kids}[0]->madness('o') | |
2727 | } | |
2728 | else { | |
2729 | push @retval, '..'; # XXX missing whitespace | |
2730 | } | |
2731 | push @retval, $max->ast($self,@_); | |
2732 | } | |
2733 | } | |
2734 | else { | |
2735 | push @retval, $range->ast($self,@_); | |
2736 | } | |
2737 | return $self->newtype->new(Kids => [@retval]); | |
2738 | } | |
2739 | ||
2740 | package PLXML::op_iter; | |
2741 | package PLXML::op_enterloop; | |
2742 | ||
2743 | sub ast { | |
2744 | } | |
2745 | ||
2746 | package PLXML::op_leaveloop; | |
2747 | ||
2748 | sub ast { | |
2749 | my $self = shift; | |
2750 | ||
2751 | my @retval; | |
2752 | my @newkids; | |
2753 | my $enterloop = $$self{Kids}[0]; | |
2754 | my $nextthing = $$self{Kids}[1]; | |
2755 | ||
2756 | if ($$self{mp}{W}) { | |
2757 | push @retval, $self->madness('L'); | |
2758 | push @newkids, $self->madness('W d'); | |
2759 | ||
2760 | if (ref $enterloop eq 'PLXML::op_enteriter') { | |
2761 | my ($var,@rest) = @{$enterloop->ast($self,@_)->{Kids}}; | |
2762 | push @newkids, $var if $var; | |
2763 | push @newkids, $self->madness('q ( x = Q'); | |
2764 | push @newkids, @rest; | |
2765 | } | |
2766 | else { | |
2767 | push @newkids, $self->madness('('); | |
2768 | push @newkids, $enterloop->ast($self,@_); | |
2769 | } | |
2770 | } | |
2771 | my $andor; | |
2772 | ||
2773 | if (ref $nextthing eq 'PLXML::op_null') { | |
2774 | if ($$nextthing{mp}{'1'}) { | |
2775 | push @newkids, $nextthing->madness('1'); | |
2776 | push @newkids, $self->madness(')'); | |
2777 | push @newkids, $$nextthing{Kids}[0]->blockast($self,@_); | |
2778 | } | |
2779 | elsif ($$nextthing{mp}{'2'}) { | |
2780 | push @newkids, $$nextthing{Kids}[0]->ast($self,@_); | |
2781 | push @newkids, $self->madness(')'); | |
2782 | push @newkids, $$nextthing{mp}{'2'}->blockast($self,@_); | |
2783 | } | |
2784 | elsif ($$nextthing{mp}{'U'}) { | |
2785 | push @newkids, $nextthing->ast($self,@_); | |
2786 | } | |
2787 | else { | |
2788 | # bypass the op_null | |
2789 | $andor = $nextthing->{Kids}[0]; | |
2790 | eval { | |
2791 | push @newkids, $$andor{Kids}[0]->ast($self, @_); | |
2792 | }; | |
2793 | push @newkids, $self->madness(')'); | |
2794 | eval { | |
2795 | push @newkids, $$andor{Kids}[1]->blockast($self, @_); | |
2796 | }; | |
2797 | } | |
2798 | } | |
2799 | else { | |
2800 | $andor = $nextthing; | |
2801 | push @newkids, $nextthing->madness('O'); | |
2802 | push @newkids, $self->madness(')'); | |
2803 | push @newkids, $nextthing->blockast($self, @_); | |
2804 | } | |
2805 | if ($$self{mp}{w}) { | |
2806 | push @newkids, $self->madness('w'); | |
2807 | push @newkids, $enterloop->ast($self,@_); | |
2808 | } | |
2809 | ||
2810 | push @retval, @newkids; | |
2811 | ||
2812 | return $self->newtype->new(Kids => [@retval]); | |
2813 | } | |
2814 | ||
2815 | package PLXML::op_return; | |
2816 | package PLXML::op_last; | |
2817 | package PLXML::op_next; | |
2818 | package PLXML::op_redo; | |
2819 | package PLXML::op_dump; | |
2820 | package PLXML::op_goto; | |
2821 | package PLXML::op_exit; | |
2822 | package PLXML::op_open; | |
2823 | package PLXML::op_close; | |
2824 | package PLXML::op_pipe_op; | |
2825 | package PLXML::op_fileno; | |
2826 | package PLXML::op_umask; | |
2827 | package PLXML::op_binmode; | |
2828 | package PLXML::op_tie; | |
2829 | package PLXML::op_untie; | |
2830 | package PLXML::op_tied; | |
2831 | package PLXML::op_dbmopen; | |
2832 | package PLXML::op_dbmclose; | |
2833 | package PLXML::op_sselect; | |
2834 | package PLXML::op_select; | |
2835 | package PLXML::op_getc; | |
2836 | package PLXML::op_read; | |
2837 | package PLXML::op_enterwrite; | |
2838 | package PLXML::op_leavewrite; | |
2839 | package PLXML::op_prtf; | |
2840 | package PLXML::op_print; | |
793019c7 | 2841 | package PLXML::op_say; |
6a28abbc NC |
2842 | package PLXML::op_sysopen; |
2843 | package PLXML::op_sysseek; | |
2844 | package PLXML::op_sysread; | |
2845 | package PLXML::op_syswrite; | |
2846 | package PLXML::op_send; | |
2847 | package PLXML::op_recv; | |
2848 | package PLXML::op_eof; | |
2849 | package PLXML::op_tell; | |
2850 | package PLXML::op_seek; | |
2851 | package PLXML::op_truncate; | |
2852 | package PLXML::op_fcntl; | |
2853 | package PLXML::op_ioctl; | |
2854 | package PLXML::op_flock; | |
2855 | package PLXML::op_socket; | |
2856 | package PLXML::op_sockpair; | |
2857 | package PLXML::op_bind; | |
2858 | package PLXML::op_connect; | |
2859 | package PLXML::op_listen; | |
2860 | package PLXML::op_accept; | |
2861 | package PLXML::op_shutdown; | |
2862 | package PLXML::op_gsockopt; | |
2863 | package PLXML::op_ssockopt; | |
2864 | package PLXML::op_getsockname; | |
2865 | package PLXML::op_getpeername; | |
2866 | package PLXML::op_lstat; | |
2867 | package PLXML::op_stat; | |
2868 | package PLXML::op_ftrread; | |
2869 | package PLXML::op_ftrwrite; | |
2870 | package PLXML::op_ftrexec; | |
2871 | package PLXML::op_fteread; | |
2872 | package PLXML::op_ftewrite; | |
2873 | package PLXML::op_fteexec; | |
2874 | package PLXML::op_ftis; | |
2875 | package PLXML::op_fteowned; | |
2876 | package PLXML::op_ftrowned; | |
2877 | package PLXML::op_ftzero; | |
2878 | package PLXML::op_ftsize; | |
2879 | package PLXML::op_ftmtime; | |
2880 | package PLXML::op_ftatime; | |
2881 | package PLXML::op_ftctime; | |
2882 | package PLXML::op_ftsock; | |
2883 | package PLXML::op_ftchr; | |
2884 | package PLXML::op_ftblk; | |
2885 | package PLXML::op_ftfile; | |
2886 | package PLXML::op_ftdir; | |
2887 | package PLXML::op_ftpipe; | |
2888 | package PLXML::op_ftlink; | |
2889 | package PLXML::op_ftsuid; | |
2890 | package PLXML::op_ftsgid; | |
2891 | package PLXML::op_ftsvtx; | |
2892 | package PLXML::op_fttty; | |
2893 | package PLXML::op_fttext; | |
2894 | package PLXML::op_ftbinary; | |
2895 | package PLXML::op_chdir; | |
2896 | package PLXML::op_chown; | |
2897 | package PLXML::op_chroot; | |
2898 | package PLXML::op_unlink; | |
2899 | package PLXML::op_chmod; | |
2900 | package PLXML::op_utime; | |
2901 | package PLXML::op_rename; | |
2902 | package PLXML::op_link; | |
2903 | package PLXML::op_symlink; | |
2904 | package PLXML::op_readlink; | |
2905 | package PLXML::op_mkdir; | |
2906 | package PLXML::op_rmdir; | |
2907 | package PLXML::op_open_dir; | |
2908 | package PLXML::op_readdir; | |
2909 | package PLXML::op_telldir; | |
2910 | package PLXML::op_seekdir; | |
2911 | package PLXML::op_rewinddir; | |
2912 | package PLXML::op_closedir; | |
2913 | package PLXML::op_fork; | |
2914 | package PLXML::op_wait; | |
2915 | package PLXML::op_waitpid; | |
2916 | package PLXML::op_system; | |
2917 | package PLXML::op_exec; | |
2918 | package PLXML::op_kill; | |
2919 | package PLXML::op_getppid; | |
2920 | package PLXML::op_getpgrp; | |
2921 | package PLXML::op_setpgrp; | |
2922 | package PLXML::op_getpriority; | |
2923 | package PLXML::op_setpriority; | |
2924 | package PLXML::op_time; | |
2925 | package PLXML::op_tms; | |
2926 | package PLXML::op_localtime; | |
2927 | package PLXML::op_gmtime; | |
2928 | package PLXML::op_alarm; | |
2929 | package PLXML::op_sleep; | |
2930 | package PLXML::op_shmget; | |
2931 | package PLXML::op_shmctl; | |
2932 | package PLXML::op_shmread; | |
2933 | package PLXML::op_shmwrite; | |
2934 | package PLXML::op_msgget; | |
2935 | package PLXML::op_msgctl; | |
2936 | package PLXML::op_msgsnd; | |
2937 | package PLXML::op_msgrcv; | |
2938 | package PLXML::op_semget; | |
2939 | package PLXML::op_semctl; | |
2940 | package PLXML::op_semop; | |
2941 | package PLXML::op_require; | |
2942 | package PLXML::op_dofile; | |
2943 | package PLXML::op_entereval; | |
2944 | ||
2945 | sub ast { | |
2946 | my $self = shift; | |
2947 | local $::curstate; # eval {} has own statement sequence | |
2948 | return $self->SUPER::ast(@_); | |
2949 | } | |
2950 | ||
2951 | package PLXML::op_leaveeval; | |
2952 | package PLXML::op_entertry; | |
2953 | package PLXML::op_leavetry; | |
2954 | ||
2955 | sub ast { | |
2956 | my $self = shift; | |
2957 | ||
2958 | return $self->PLXML::op_leave::ast(@_); | |
2959 | } | |
2960 | ||
2961 | package PLXML::op_ghbyname; | |
2962 | package PLXML::op_ghbyaddr; | |
2963 | package PLXML::op_ghostent; | |
2964 | package PLXML::op_gnbyname; | |
2965 | package PLXML::op_gnbyaddr; | |
2966 | package PLXML::op_gnetent; | |
2967 | package PLXML::op_gpbyname; | |
2968 | package PLXML::op_gpbynumber; | |
2969 | package PLXML::op_gprotoent; | |
2970 | package PLXML::op_gsbyname; | |
2971 | package PLXML::op_gsbyport; | |
2972 | package PLXML::op_gservent; | |
2973 | package PLXML::op_shostent; | |
2974 | package PLXML::op_snetent; | |
2975 | package PLXML::op_sprotoent; | |
2976 | package PLXML::op_sservent; | |
2977 | package PLXML::op_ehostent; | |
2978 | package PLXML::op_enetent; | |
2979 | package PLXML::op_eprotoent; | |
2980 | package PLXML::op_eservent; | |
2981 | package PLXML::op_gpwnam; | |
2982 | package PLXML::op_gpwuid; | |
2983 | package PLXML::op_gpwent; | |
2984 | package PLXML::op_spwent; | |
2985 | package PLXML::op_epwent; | |
2986 | package PLXML::op_ggrnam; | |
2987 | package PLXML::op_ggrgid; | |
2988 | package PLXML::op_ggrent; | |
2989 | package PLXML::op_sgrent; | |
2990 | package PLXML::op_egrent; | |
2991 | package PLXML::op_getlogin; | |
2992 | package PLXML::op_syscall; | |
2993 | package PLXML::op_lock; | |
2994 | package PLXML::op_threadsv; | |
2995 | package PLXML::op_setstate; | |
2996 | package PLXML::op_method_named; | |
2997 | ||
2998 | sub ast { | |
2999 | my $self = shift; | |
3000 | return $self->madness('O'); | |
3001 | } | |
3002 | ||
3003 | package PLXML::op_dor; | |
3004 | ||
3005 | sub astnull { | |
3006 | my $self = shift; | |
3007 | $self->PLXML::op_or::astnull(@_); | |
3008 | } | |
3009 | ||
3010 | package PLXML::op_dorassign; | |
3011 | package PLXML::op_custom; | |
3012 |