Commit | Line | Data |
4633a7c4 |
1 | #!/usr/local/bin/perl |
2 | |
3 | use Config; |
4 | use File::Basename qw(&basename &dirname); |
5 | |
6 | # List explicitly here the variables you want Configure to |
7 | # generate. Metaconfig only looks for shell variables, so you |
8 | # have to mention them as if they were shell variables, not |
9 | # %Config entries. Thus you write |
10 | # $startperl |
11 | # to ensure Configure will look for $Config{startperl}. |
12 | |
13 | # This forces PL files to create target in same directory as PL file. |
14 | # This is so that make depend always knows where to find PL derivatives. |
15 | chdir(dirname($0)); |
16 | ($file = basename($0)) =~ s/\.PL$//; |
17 | $file =~ s/\.pl$// |
18 | if ($Config{'osname'} eq 'VMS' or |
19 | $Config{'osname'} eq 'OS2'); # "case-forgiving" |
20 | |
21 | open OUT,">$file" or die "Can't create $file: $!"; |
22 | |
23 | print "Extracting $file (with variable substitutions)\n"; |
24 | |
25 | # In this section, perl variables will be expanded during extraction. |
26 | # You can use $Config{...} to use Configure variables. |
27 | |
28 | print OUT <<"!GROK!THIS!"; |
29 | $Config{'startperl'} |
30 | eval 'exec perl -S \$0 "\$@"' |
31 | if 0; |
32 | \$startperl = $Config{startperl}; |
a687059c |
33 | !GROK!THIS! |
34 | |
4633a7c4 |
35 | # In the following, perl variables are not expanded during extraction. |
36 | |
37 | print OUT <<'!NO!SUBS!'; |
a687059c |
38 | |
79072805 |
39 | # $RCSfile: s2p.SH,v $$Revision: 4.1 $$Date: 92/08/07 18:29:23 $ |
378cc40b |
40 | # |
a687059c |
41 | # $Log: s2p.SH,v $ |
8d063cd8 |
42 | |
43 | $indent = 4; |
44 | $shiftwidth = 4; |
45 | $l = '{'; $r = '}'; |
8d063cd8 |
46 | |
0a12ae7d |
47 | while ($ARGV[0] =~ /^-/) { |
8d063cd8 |
48 | $_ = shift; |
49 | last if /^--/; |
50 | if (/^-D/) { |
51 | $debug++; |
0a12ae7d |
52 | open(BODY,'>-'); |
8d063cd8 |
53 | next; |
54 | } |
55 | if (/^-n/) { |
56 | $assumen++; |
57 | next; |
58 | } |
59 | if (/^-p/) { |
60 | $assumep++; |
61 | next; |
62 | } |
378cc40b |
63 | die "I don't recognize this switch: $_\n"; |
8d063cd8 |
64 | } |
65 | |
66 | unless ($debug) { |
0a12ae7d |
67 | open(BODY,">/tmp/sperl$$") || |
68 | &Die("Can't open temp file: $!\n"); |
8d063cd8 |
69 | } |
70 | |
71 | if (!$assumen && !$assumep) { |
9ef589d8 |
72 | print BODY &q(<<'EOT'); |
73 | : while ($ARGV[0] =~ /^-/) { |
74 | : $_ = shift; |
75 | : last if /^--/; |
76 | : if (/^-n/) { |
77 | : $nflag++; |
78 | : next; |
79 | : } |
80 | : die "I don't recognize this switch: $_\\n"; |
81 | : } |
82 | : |
0a12ae7d |
83 | EOT |
8d063cd8 |
84 | } |
85 | |
9ef589d8 |
86 | print BODY &q(<<'EOT'); |
87 | : #ifdef PRINTIT |
88 | : #ifdef ASSUMEP |
89 | : $printit++; |
90 | : #else |
91 | : $printit++ unless $nflag; |
92 | : #endif |
93 | : #endif |
94 | : <><> |
95 | : $\ = "\n"; # automatically add newline on print |
96 | : <><> |
97 | : #ifdef TOPLABEL |
98 | : LINE: |
99 | : while (chop($_ = <>)) { |
100 | : #else |
101 | : LINE: |
102 | : while (<>) { |
103 | : chop; |
104 | : #endif |
0a12ae7d |
105 | EOT |
106 | |
9ef589d8 |
107 | LINE: |
108 | while (<>) { |
0a12ae7d |
109 | |
110 | # Wipe out surrounding whitespace. |
8d063cd8 |
111 | |
8d063cd8 |
112 | s/[ \t]*(.*)\n$/$1/; |
0a12ae7d |
113 | |
114 | # Perhaps it's a label/comment. |
115 | |
8d063cd8 |
116 | if (/^:/) { |
117 | s/^:[ \t]*//; |
0a12ae7d |
118 | $label = &make_label($_); |
8d063cd8 |
119 | if ($. == 1) { |
120 | $toplabel = $label; |
9ef589d8 |
121 | if (/^(top|(re)?start|redo|begin(ning)|again|input)$/i) { |
122 | $_ = <>; |
123 | redo LINE; # Never referenced, so delete it if not a comment. |
124 | } |
8d063cd8 |
125 | } |
126 | $_ = "$label:"; |
ffed7fef |
127 | if ($lastlinewaslabel++) { |
128 | $indent += 4; |
0a12ae7d |
129 | print BODY &tab, ";\n"; |
ffed7fef |
130 | $indent -= 4; |
131 | } |
8d063cd8 |
132 | if ($indent >= 2) { |
133 | $indent -= 2; |
134 | $indmod = 2; |
135 | } |
136 | next; |
137 | } else { |
138 | $lastlinewaslabel = ''; |
139 | } |
0a12ae7d |
140 | |
141 | # Look for one or two address clauses |
142 | |
8d063cd8 |
143 | $addr1 = ''; |
144 | $addr2 = ''; |
145 | if (s/^([0-9]+)//) { |
146 | $addr1 = "$1"; |
9ef589d8 |
147 | $addr1 = "\$. == $addr1" unless /^,/; |
8d063cd8 |
148 | } |
149 | elsif (s/^\$//) { |
150 | $addr1 = 'eof()'; |
151 | } |
152 | elsif (s|^/||) { |
0a12ae7d |
153 | $addr1 = &fetchpat('/'); |
8d063cd8 |
154 | } |
155 | if (s/^,//) { |
156 | if (s/^([0-9]+)//) { |
157 | $addr2 = "$1"; |
158 | } elsif (s/^\$//) { |
159 | $addr2 = "eof()"; |
160 | } elsif (s|^/||) { |
0a12ae7d |
161 | $addr2 = &fetchpat('/'); |
8d063cd8 |
162 | } else { |
0a12ae7d |
163 | &Die("Invalid second address at line $.\n"); |
8d063cd8 |
164 | } |
2b69d0c2 |
165 | if ($addr2 =~ /^\d+$/) { |
166 | $addr1 .= "..$addr2"; |
167 | } |
168 | else { |
169 | $addr1 .= "...$addr2"; |
170 | } |
8d063cd8 |
171 | } |
0a12ae7d |
172 | |
173 | # Now we check for metacommands {, }, and ! and worry |
174 | # about indentation. |
175 | |
378cc40b |
176 | s/^[ \t]+//; |
0a12ae7d |
177 | # a { to keep vi happy |
8d063cd8 |
178 | if ($_ eq '}') { |
179 | $indent -= 4; |
180 | next; |
181 | } |
182 | if (s/^!//) { |
183 | $if = 'unless'; |
184 | $else = "$r else $l\n"; |
185 | } else { |
186 | $if = 'if'; |
187 | $else = ''; |
188 | } |
189 | if (s/^{//) { # a } to keep vi happy |
190 | $indmod = 4; |
191 | $redo = $_; |
192 | $_ = ''; |
193 | $rmaybe = ''; |
194 | } else { |
195 | $rmaybe = "\n$r"; |
196 | if ($addr2 || $addr1) { |
a687059c |
197 | $space = ' ' x $shiftwidth; |
8d063cd8 |
198 | } else { |
199 | $space = ''; |
200 | } |
0a12ae7d |
201 | $_ = &transmogrify(); |
8d063cd8 |
202 | } |
203 | |
0a12ae7d |
204 | # See if we can optimize to modifier form. |
205 | |
8d063cd8 |
206 | if ($addr1) { |
207 | if ($_ !~ /[\n{}]/ && $rmaybe && !$change && |
208 | $_ !~ / if / && $_ !~ / unless /) { |
209 | s/;$/ $if $addr1;/; |
210 | $_ = substr($_,$shiftwidth,1000); |
211 | } else { |
0a12ae7d |
212 | $_ = "$if ($addr1) $l\n$change$_$rmaybe"; |
8d063cd8 |
213 | } |
214 | $change = ''; |
0a12ae7d |
215 | next LINE; |
8d063cd8 |
216 | } |
217 | } continue { |
218 | @lines = split(/\n/,$_); |
0a12ae7d |
219 | for (@lines) { |
8d063cd8 |
220 | unless (s/^ *<<--//) { |
0a12ae7d |
221 | print BODY &tab; |
8d063cd8 |
222 | } |
0a12ae7d |
223 | print BODY $_, "\n"; |
8d063cd8 |
224 | } |
225 | $indent += $indmod; |
226 | $indmod = 0; |
227 | if ($redo) { |
228 | $_ = $redo; |
229 | $redo = ''; |
0a12ae7d |
230 | redo LINE; |
8d063cd8 |
231 | } |
232 | } |
ffed7fef |
233 | if ($lastlinewaslabel++) { |
234 | $indent += 4; |
0a12ae7d |
235 | print BODY &tab, ";\n"; |
ffed7fef |
236 | $indent -= 4; |
237 | } |
8d063cd8 |
238 | |
8d063cd8 |
239 | if ($appendseen || $tseen || !$assumen) { |
240 | $printit++ if $dseen || (!$assumen && !$assumep); |
9ef589d8 |
241 | print BODY &q(<<'EOT'); |
242 | : #ifdef SAWNEXT |
243 | : } |
244 | : continue { |
245 | : #endif |
246 | : #ifdef PRINTIT |
247 | : #ifdef DSEEN |
248 | : #ifdef ASSUMEP |
249 | : print if $printit++; |
250 | : #else |
251 | : if ($printit) |
252 | : { print; } |
253 | : else |
254 | : { $printit++ unless $nflag; } |
255 | : #endif |
256 | : #else |
257 | : print if $printit; |
258 | : #endif |
259 | : #else |
260 | : print; |
261 | : #endif |
262 | : #ifdef TSEEN |
263 | : $tflag = 0; |
264 | : #endif |
265 | : #ifdef APPENDSEEN |
266 | : if ($atext) { chop $atext; print $atext; $atext = ''; } |
267 | : #endif |
268 | EOT |
269 | |
270 | print BODY &q(<<'EOT'); |
271 | : } |
0a12ae7d |
272 | EOT |
8d063cd8 |
273 | } |
274 | |
0a12ae7d |
275 | close BODY; |
8d063cd8 |
276 | |
277 | unless ($debug) { |
0a12ae7d |
278 | open(HEAD,">/tmp/sperl2$$.c") |
279 | || &Die("Can't open temp file 2: $!\n"); |
9ef589d8 |
280 | print HEAD "#define PRINTIT\n" if $printit; |
281 | print HEAD "#define APPENDSEEN\n" if $appendseen; |
282 | print HEAD "#define TSEEN\n" if $tseen; |
283 | print HEAD "#define DSEEN\n" if $dseen; |
284 | print HEAD "#define ASSUMEN\n" if $assumen; |
285 | print HEAD "#define ASSUMEP\n" if $assumep; |
286 | print HEAD "#define TOPLABEL\n" if $toplabel; |
287 | print HEAD "#define SAWNEXT\n" if $sawnext; |
0a12ae7d |
288 | if ($opens) {print HEAD "$opens\n";} |
289 | open(BODY,"/tmp/sperl$$") |
290 | || &Die("Can't reopen temp file: $!\n"); |
291 | while (<BODY>) { |
292 | print HEAD $_; |
8d063cd8 |
293 | } |
0a12ae7d |
294 | close HEAD; |
8d063cd8 |
295 | |
9ef589d8 |
296 | print &q(<<"EOT"); |
4633a7c4 |
297 | : $startperl |
298 | : eval 'exec perl -S \$0 \${1+"\$@"}' |
9ef589d8 |
299 | : if \$running_under_some_shell; |
300 | : |
0a12ae7d |
301 | EOT |
302 | open(BODY,"cc -E /tmp/sperl2$$.c |") || |
303 | &Die("Can't reopen temp file: $!\n"); |
304 | while (<BODY>) { |
8d063cd8 |
305 | /^# [0-9]/ && next; |
306 | /^[ \t]*$/ && next; |
307 | s/^<><>//; |
308 | print; |
309 | } |
310 | } |
311 | |
0a12ae7d |
312 | &Cleanup; |
313 | exit; |
8d063cd8 |
314 | |
0a12ae7d |
315 | sub Cleanup { |
316 | chdir "/tmp"; |
317 | unlink "sperl$$", "sperl2$$", "sperl2$$.c"; |
318 | } |
8d063cd8 |
319 | sub Die { |
0a12ae7d |
320 | &Cleanup; |
8d063cd8 |
321 | die $_[0]; |
322 | } |
0a12ae7d |
323 | sub tab { |
324 | "\t" x ($indent / 8) . ' ' x ($indent % 8); |
325 | } |
8d063cd8 |
326 | sub make_filehandle { |
0a12ae7d |
327 | local($_) = $_[0]; |
328 | local($fname) = $_; |
9ef589d8 |
329 | if (!$seen{$fname}) { |
330 | $_ = "FH_" . $_ if /^\d/; |
331 | s/[^a-zA-Z0-9]/_/g; |
332 | s/^_*//; |
333 | $_ = "\U$_"; |
334 | if ($fhseen{$_}) { |
335 | for ($tmp = "a"; $fhseen{"$_$tmp"}; $a++) {} |
336 | $_ .= $tmp; |
337 | } |
338 | $fhseen{$_} = 1; |
339 | $opens .= &q(<<"EOT"); |
340 | : open($_, '>$fname') || die "Can't create $fname: \$!"; |
0a12ae7d |
341 | EOT |
9ef589d8 |
342 | $seen{$fname} = $_; |
8d063cd8 |
343 | } |
9ef589d8 |
344 | $seen{$fname}; |
8d063cd8 |
345 | } |
346 | |
347 | sub make_label { |
0a12ae7d |
348 | local($label) = @_; |
8d063cd8 |
349 | $label =~ s/[^a-zA-Z0-9]/_/g; |
350 | if ($label =~ /^[0-9_]/) { $label = 'L' . $label; } |
351 | $label = substr($label,0,8); |
0a12ae7d |
352 | |
353 | # Could be a reserved word, so capitalize it. |
354 | substr($label,0,1) =~ y/a-z/A-Z/ |
355 | if $label =~ /^[a-z]/; |
356 | |
8d063cd8 |
357 | $label; |
358 | } |
359 | |
360 | sub transmogrify { |
361 | { # case |
362 | if (/^d/) { |
363 | $dseen++; |
9ef589d8 |
364 | chop($_ = &q(<<'EOT')); |
365 | : <<--#ifdef PRINTIT |
366 | : $printit = 0; |
367 | : <<--#endif |
368 | : next LINE; |
0a12ae7d |
369 | EOT |
9ef589d8 |
370 | $sawnext++; |
8d063cd8 |
371 | next; |
372 | } |
373 | |
374 | if (/^n/) { |
9ef589d8 |
375 | chop($_ = &q(<<'EOT')); |
376 | : <<--#ifdef PRINTIT |
377 | : <<--#ifdef DSEEN |
378 | : <<--#ifdef ASSUMEP |
379 | : print if $printit++; |
380 | : <<--#else |
381 | : if ($printit) |
382 | : { print; } |
383 | : else |
384 | : { $printit++ unless $nflag; } |
385 | : <<--#endif |
386 | : <<--#else |
387 | : print if $printit; |
388 | : <<--#endif |
389 | : <<--#else |
390 | : print; |
391 | : <<--#endif |
392 | : <<--#ifdef APPENDSEEN |
393 | : if ($atext) {chop $atext; print $atext; $atext = '';} |
394 | : <<--#endif |
395 | : $_ = <>; |
396 | : chop; |
397 | : <<--#ifdef TSEEN |
398 | : $tflag = 0; |
399 | : <<--#endif |
0a12ae7d |
400 | EOT |
8d063cd8 |
401 | next; |
402 | } |
403 | |
404 | if (/^a/) { |
405 | $appendseen++; |
9ef589d8 |
406 | $command = $space . "\$atext .= <<'End_Of_Text';\n<<--"; |
8d063cd8 |
407 | $lastline = 0; |
408 | while (<>) { |
409 | s/^[ \t]*//; |
410 | s/^[\\]//; |
411 | unless (s|\\$||) { $lastline = 1;} |
8d063cd8 |
412 | s/^([ \t]*\n)/<><>$1/; |
413 | $command .= $_; |
414 | $command .= '<<--'; |
415 | last if $lastline; |
416 | } |
9ef589d8 |
417 | $_ = $command . "End_Of_Text"; |
8d063cd8 |
418 | last; |
419 | } |
420 | |
421 | if (/^[ic]/) { |
422 | if (/^c/) { $change = 1; } |
9ef589d8 |
423 | $addr1 = 1 if $addr1 eq ''; |
8d063cd8 |
424 | $addr1 = '$iter = (' . $addr1 . ')'; |
9ef589d8 |
425 | $command = $space . |
426 | " if (\$iter == 1) { print <<'End_Of_Text'; }\n<<--"; |
8d063cd8 |
427 | $lastline = 0; |
428 | while (<>) { |
429 | s/^[ \t]*//; |
430 | s/^[\\]//; |
431 | unless (s/\\$//) { $lastline = 1;} |
432 | s/'/\\'/g; |
433 | s/^([ \t]*\n)/<><>$1/; |
434 | $command .= $_; |
435 | $command .= '<<--'; |
436 | last if $lastline; |
437 | } |
9ef589d8 |
438 | $_ = $command . "End_Of_Text"; |
8d063cd8 |
439 | if ($change) { |
440 | $dseen++; |
441 | $change = "$_\n"; |
9ef589d8 |
442 | chop($_ = &q(<<"EOT")); |
443 | : <<--#ifdef PRINTIT |
444 | : $space\$printit = 0; |
445 | : <<--#endif |
446 | : ${space}next LINE; |
0a12ae7d |
447 | EOT |
9ef589d8 |
448 | $sawnext++; |
8d063cd8 |
449 | } |
450 | last; |
451 | } |
452 | |
453 | if (/^s/) { |
454 | $delim = substr($_,1,1); |
455 | $len = length($_); |
456 | $repl = $end = 0; |
a687059c |
457 | $inbracket = 0; |
8d063cd8 |
458 | for ($i = 2; $i < $len; $i++) { |
459 | $c = substr($_,$i,1); |
a687059c |
460 | if ($c eq $delim) { |
461 | if ($inbracket) { |
0a12ae7d |
462 | substr($_, $i, 0) = '\\'; |
a687059c |
463 | $i++; |
464 | $len++; |
465 | } |
466 | else { |
467 | if ($repl) { |
468 | $end = $i; |
469 | last; |
470 | } else { |
471 | $repl = $i; |
472 | } |
473 | } |
474 | } |
475 | elsif ($c eq '\\') { |
8d063cd8 |
476 | $i++; |
477 | if ($i >= $len) { |
478 | $_ .= 'n'; |
479 | $_ .= <>; |
480 | $len = length($_); |
481 | $_ = substr($_,0,--$len); |
482 | } |
00bf170e |
483 | elsif (substr($_,$i,1) =~ /^[n]$/) { |
484 | ; |
485 | } |
0a12ae7d |
486 | elsif (!$repl && |
487 | substr($_,$i,1) =~ /^[(){}\w]$/) { |
8d063cd8 |
488 | $i--; |
489 | $len--; |
0a12ae7d |
490 | substr($_, $i, 1) = ''; |
8d063cd8 |
491 | } |
0a12ae7d |
492 | elsif (!$repl && |
493 | substr($_,$i,1) =~ /^[<>]$/) { |
9f68db38 |
494 | substr($_,$i,1) = 'b'; |
495 | } |
2b69d0c2 |
496 | elsif ($repl && substr($_,$i,1) =~ /^\d$/) { |
497 | substr($_,$i-1,1) = '$'; |
498 | } |
499 | } |
500 | elsif ($c eq '&' && $repl) { |
501 | substr($_, $i, 0) = '$'; |
502 | $i++; |
503 | $len++; |
504 | } |
505 | elsif ($c eq '$' && $repl) { |
506 | substr($_, $i, 0) = '\\'; |
507 | $i++; |
508 | $len++; |
8d063cd8 |
509 | } |
a687059c |
510 | elsif ($c eq '[' && !$repl) { |
511 | $i++ if substr($_,$i,1) eq '^'; |
512 | $i++ if substr($_,$i,1) eq ']'; |
513 | $inbracket = 1; |
8d063cd8 |
514 | } |
a687059c |
515 | elsif ($c eq ']') { |
516 | $inbracket = 0; |
517 | } |
9ef589d8 |
518 | elsif ($c eq "\t") { |
519 | substr($_, $i, 1) = '\\t'; |
520 | $i++; |
521 | $len++; |
522 | } |
ae986130 |
523 | elsif (!$repl && index("()+",$c) >= 0) { |
0a12ae7d |
524 | substr($_, $i, 0) = '\\'; |
8d063cd8 |
525 | $i++; |
526 | $len++; |
527 | } |
528 | } |
0a12ae7d |
529 | &Die("Malformed substitution at line $.\n") |
530 | unless $end; |
8d063cd8 |
531 | $pat = substr($_, 0, $repl + 1); |
0a12ae7d |
532 | $repl = substr($_, $repl+1, $end-$repl-1); |
8d063cd8 |
533 | $end = substr($_, $end + 1, 1000); |
9ef589d8 |
534 | &simplify($pat); |
8d063cd8 |
535 | $dol = '$'; |
8d063cd8 |
536 | $subst = "$pat$repl$delim"; |
537 | $cmd = ''; |
538 | while ($end) { |
0a12ae7d |
539 | if ($end =~ s/^g//) { |
540 | $subst .= 'g'; |
541 | next; |
542 | } |
543 | if ($end =~ s/^p//) { |
544 | $cmd .= ' && (print)'; |
545 | next; |
546 | } |
8d063cd8 |
547 | if ($end =~ s/^w[ \t]*//) { |
0a12ae7d |
548 | $fh = &make_filehandle($end); |
8d063cd8 |
549 | $cmd .= " && (print $fh \$_)"; |
550 | $end = ''; |
551 | next; |
552 | } |
0a12ae7d |
553 | &Die("Unrecognized substitution command". |
554 | "($end) at line $.\n"); |
8d063cd8 |
555 | } |
9ef589d8 |
556 | chop ($_ = &q(<<"EOT")); |
557 | : <<--#ifdef TSEEN |
558 | : $subst && \$tflag++$cmd; |
559 | : <<--#else |
560 | : $subst$cmd; |
561 | : <<--#endif |
0a12ae7d |
562 | EOT |
8d063cd8 |
563 | next; |
564 | } |
565 | |
566 | if (/^p/) { |
567 | $_ = 'print;'; |
568 | next; |
569 | } |
570 | |
571 | if (/^w/) { |
572 | s/^w[ \t]*//; |
0a12ae7d |
573 | $fh = &make_filehandle($_); |
8d063cd8 |
574 | $_ = "print $fh \$_;"; |
575 | next; |
576 | } |
577 | |
578 | if (/^r/) { |
579 | $appendseen++; |
580 | s/^r[ \t]*//; |
581 | $file = $_; |
582 | $_ = "\$atext .= `cat $file 2>/dev/null`;"; |
583 | next; |
584 | } |
585 | |
586 | if (/^P/) { |
9ef589d8 |
587 | $_ = 'print $1 if /^(.*)/;'; |
8d063cd8 |
588 | next; |
589 | } |
590 | |
591 | if (/^D/) { |
9ef589d8 |
592 | chop($_ = &q(<<'EOT')); |
593 | : s/^.*\n?//; |
594 | : redo LINE if $_; |
595 | : next LINE; |
0a12ae7d |
596 | EOT |
9ef589d8 |
597 | $sawnext++; |
8d063cd8 |
598 | next; |
599 | } |
600 | |
601 | if (/^N/) { |
9ef589d8 |
602 | chop($_ = &q(<<'EOT')); |
603 | : $_ .= "\n"; |
604 | : $len1 = length; |
605 | : $_ .= <>; |
606 | : chop if $len1 < length; |
607 | : <<--#ifdef TSEEN |
608 | : $tflag = 0; |
609 | : <<--#endif |
0a12ae7d |
610 | EOT |
8d063cd8 |
611 | next; |
612 | } |
613 | |
614 | if (/^h/) { |
615 | $_ = '$hold = $_;'; |
616 | next; |
617 | } |
618 | |
619 | if (/^H/) { |
9ef589d8 |
620 | $_ = '$hold .= "\n"; $hold .= $_;'; |
8d063cd8 |
621 | next; |
622 | } |
623 | |
624 | if (/^g/) { |
625 | $_ = '$_ = $hold;'; |
626 | next; |
627 | } |
628 | |
629 | if (/^G/) { |
9ef589d8 |
630 | $_ = '$_ .= "\n"; $_ .= $hold;'; |
8d063cd8 |
631 | next; |
632 | } |
633 | |
634 | if (/^x/) { |
635 | $_ = '($_, $hold) = ($hold, $_);'; |
636 | next; |
637 | } |
638 | |
639 | if (/^b$/) { |
0a12ae7d |
640 | $_ = 'next LINE;'; |
9ef589d8 |
641 | $sawnext++; |
8d063cd8 |
642 | next; |
643 | } |
644 | |
645 | if (/^b/) { |
646 | s/^b[ \t]*//; |
0a12ae7d |
647 | $lab = &make_label($_); |
8d063cd8 |
648 | if ($lab eq $toplabel) { |
0a12ae7d |
649 | $_ = 'redo LINE;'; |
8d063cd8 |
650 | } else { |
651 | $_ = "goto $lab;"; |
652 | } |
653 | next; |
654 | } |
655 | |
656 | if (/^t$/) { |
0a12ae7d |
657 | $_ = 'next LINE if $tflag;'; |
9ef589d8 |
658 | $sawnext++; |
8d063cd8 |
659 | $tseen++; |
660 | next; |
661 | } |
662 | |
663 | if (/^t/) { |
664 | s/^t[ \t]*//; |
0a12ae7d |
665 | $lab = &make_label($_); |
9ef589d8 |
666 | $_ = q/if ($tflag) {$tflag = 0; /; |
8d063cd8 |
667 | if ($lab eq $toplabel) { |
0a12ae7d |
668 | $_ .= 'redo LINE;}'; |
8d063cd8 |
669 | } else { |
0a12ae7d |
670 | $_ .= "goto $lab;}"; |
8d063cd8 |
671 | } |
672 | $tseen++; |
673 | next; |
674 | } |
675 | |
9ef589d8 |
676 | if (/^y/) { |
677 | s/abcdefghijklmnopqrstuvwxyz/a-z/g; |
678 | s/ABCDEFGHIJKLMNOPQRSTUVWXYZ/A-Z/g; |
679 | s/abcdef/a-f/g; |
680 | s/ABCDEF/A-F/g; |
681 | s/0123456789/0-9/g; |
682 | s/01234567/0-7/g; |
683 | $_ .= ';'; |
684 | } |
685 | |
8d063cd8 |
686 | if (/^=/) { |
9ef589d8 |
687 | $_ = 'print $.;'; |
8d063cd8 |
688 | next; |
689 | } |
690 | |
691 | if (/^q/) { |
9ef589d8 |
692 | chop($_ = &q(<<'EOT')); |
693 | : close(ARGV); |
694 | : @ARGV = (); |
695 | : next LINE; |
0a12ae7d |
696 | EOT |
9ef589d8 |
697 | $sawnext++; |
8d063cd8 |
698 | next; |
699 | } |
700 | } continue { |
701 | if ($space) { |
702 | s/^/$space/; |
703 | s/(\n)(.)/$1$space$2/g; |
704 | } |
705 | last; |
706 | } |
707 | $_; |
708 | } |
709 | |
a687059c |
710 | sub fetchpat { |
711 | local($outer) = @_; |
712 | local($addr) = $outer; |
713 | local($inbracket); |
714 | local($prefix,$delim,$ch); |
715 | |
0a12ae7d |
716 | # Process pattern one potential delimiter at a time. |
717 | |
718 | DELIM: while (s#^([^\]+(|)[\\/]*)([]+(|)[\\/])##) { |
a687059c |
719 | $prefix = $1; |
720 | $delim = $2; |
a687059c |
721 | if ($delim eq '\\') { |
722 | s/(.)//; |
723 | $ch = $1; |
00bf170e |
724 | $delim = '' if $ch =~ /^[(){}A-Za-mo-z]$/; |
9f68db38 |
725 | $ch = 'b' if $ch =~ /^[<>]$/; |
726 | $delim .= $ch; |
a687059c |
727 | } |
728 | elsif ($delim eq '[') { |
729 | $inbracket = 1; |
730 | s/^\^// && ($delim .= '^'); |
731 | s/^]// && ($delim .= ']'); |
a687059c |
732 | } |
733 | elsif ($delim eq ']') { |
734 | $inbracket = 0; |
735 | } |
736 | elsif ($inbracket || $delim ne $outer) { |
a687059c |
737 | $delim = '\\' . $delim; |
738 | } |
739 | $addr .= $prefix; |
740 | $addr .= $delim; |
741 | if ($delim eq $outer && !$inbracket) { |
0a12ae7d |
742 | last DELIM; |
a687059c |
743 | } |
744 | } |
9ef589d8 |
745 | $addr =~ s/\t/\\t/g; |
746 | &simplify($addr); |
a687059c |
747 | $addr; |
748 | } |
749 | |
9ef589d8 |
750 | sub q { |
751 | local($string) = @_; |
752 | local($*) = 1; |
753 | $string =~ s/^:\t?//g; |
754 | $string; |
755 | } |
756 | |
757 | sub simplify { |
758 | $_[0] =~ s/_a-za-z0-9/\\w/ig; |
759 | $_[0] =~ s/a-z_a-z0-9/\\w/ig; |
760 | $_[0] =~ s/a-za-z_0-9/\\w/ig; |
761 | $_[0] =~ s/a-za-z0-9_/\\w/ig; |
762 | $_[0] =~ s/_0-9a-za-z/\\w/ig; |
763 | $_[0] =~ s/0-9_a-za-z/\\w/ig; |
764 | $_[0] =~ s/0-9a-z_a-z/\\w/ig; |
765 | $_[0] =~ s/0-9a-za-z_/\\w/ig; |
766 | $_[0] =~ s/\[\\w\]/\\w/g; |
767 | $_[0] =~ s/\[^\\w\]/\\W/g; |
768 | $_[0] =~ s/\[0-9\]/\\d/g; |
769 | $_[0] =~ s/\[^0-9\]/\\D/g; |
770 | $_[0] =~ s/\\d\\d\*/\\d+/g; |
771 | $_[0] =~ s/\\D\\D\*/\\D+/g; |
772 | $_[0] =~ s/\\w\\w\*/\\w+/g; |
773 | $_[0] =~ s/\\t\\t\*/\\t+/g; |
774 | $_[0] =~ s/(\[.[^]]*\])\1\*/$1+/g; |
775 | $_[0] =~ s/([\w\s!@#%^&-=,:;'"])\1\*/$1+/g; |
776 | } |
777 | |
a687059c |
778 | !NO!SUBS! |
4633a7c4 |
779 | |
780 | close OUT or die "Can't close $file: $!"; |
781 | chmod 0755, $file or die "Can't reset permissions for $file: $!\n"; |
782 | exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':'; |