Commit | Line | Data |
a687059c |
1 | : This forces SH files to create target in same directory as SH file. |
2 | : This is so that make depend always knows where to find SH derivatives. |
3 | case "$0" in |
4 | */*) cd `expr X$0 : 'X\(.*\)/'` ;; |
5 | esac |
6 | case $CONFIG in |
7 | '') |
8 | if test ! -f config.sh; then |
9 | ln ../config.sh . || \ |
27e2fb84 |
10 | ln -s ../config.sh . || \ |
a687059c |
11 | ln ../../config.sh . || \ |
12 | ln ../../../config.sh . || \ |
13 | (echo "Can't find config.sh."; exit 1) |
fe14fcc3 |
14 | fi 2>/dev/null |
e5d73d77 |
15 | . ./config.sh |
a687059c |
16 | ;; |
17 | esac |
18 | echo "Extracting s2p (with variable substitutions)" |
19 | : This section of the file will have variable substitutions done on it. |
20 | : Move anything that needs config subs from !NO!SUBS! section to !GROK!THIS!. |
21 | : Protect any dollar signs and backticks that you do not want interpreted |
22 | : by putting a backslash in front. You may delete these comments. |
23 | $spitshell >s2p <<!GROK!THIS! |
24 | #!$bin/perl |
25 | |
26 | \$bin = '$bin'; |
27 | !GROK!THIS! |
28 | |
29 | : In the following dollars and backticks do not need the extra backslash. |
30 | $spitshell >>s2p <<'!NO!SUBS!' |
31 | |
9ef589d8 |
32 | # $RCSfile: s2p.SH,v $$Revision: 4.0.1.1 $$Date: 91/06/07 12:19:18 $ |
378cc40b |
33 | # |
a687059c |
34 | # $Log: s2p.SH,v $ |
9ef589d8 |
35 | # Revision 4.0.1.1 91/06/07 12:19:18 lwall |
36 | # patch4: s2p now handles embedded newlines better and optimizes common idioms |
37 | # |
fe14fcc3 |
38 | # Revision 4.0 91/03/20 01:57:59 lwall |
39 | # 4.0 baseline. |
378cc40b |
40 | # |
41 | # |
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 | } |
165 | $addr1 .= " .. $addr2"; |
166 | } |
0a12ae7d |
167 | |
168 | # Now we check for metacommands {, }, and ! and worry |
169 | # about indentation. |
170 | |
378cc40b |
171 | s/^[ \t]+//; |
0a12ae7d |
172 | # a { to keep vi happy |
8d063cd8 |
173 | if ($_ eq '}') { |
174 | $indent -= 4; |
175 | next; |
176 | } |
177 | if (s/^!//) { |
178 | $if = 'unless'; |
179 | $else = "$r else $l\n"; |
180 | } else { |
181 | $if = 'if'; |
182 | $else = ''; |
183 | } |
184 | if (s/^{//) { # a } to keep vi happy |
185 | $indmod = 4; |
186 | $redo = $_; |
187 | $_ = ''; |
188 | $rmaybe = ''; |
189 | } else { |
190 | $rmaybe = "\n$r"; |
191 | if ($addr2 || $addr1) { |
a687059c |
192 | $space = ' ' x $shiftwidth; |
8d063cd8 |
193 | } else { |
194 | $space = ''; |
195 | } |
0a12ae7d |
196 | $_ = &transmogrify(); |
8d063cd8 |
197 | } |
198 | |
0a12ae7d |
199 | # See if we can optimize to modifier form. |
200 | |
8d063cd8 |
201 | if ($addr1) { |
202 | if ($_ !~ /[\n{}]/ && $rmaybe && !$change && |
203 | $_ !~ / if / && $_ !~ / unless /) { |
204 | s/;$/ $if $addr1;/; |
205 | $_ = substr($_,$shiftwidth,1000); |
206 | } else { |
0a12ae7d |
207 | $_ = "$if ($addr1) $l\n$change$_$rmaybe"; |
8d063cd8 |
208 | } |
209 | $change = ''; |
0a12ae7d |
210 | next LINE; |
8d063cd8 |
211 | } |
212 | } continue { |
213 | @lines = split(/\n/,$_); |
0a12ae7d |
214 | for (@lines) { |
8d063cd8 |
215 | unless (s/^ *<<--//) { |
0a12ae7d |
216 | print BODY &tab; |
8d063cd8 |
217 | } |
0a12ae7d |
218 | print BODY $_, "\n"; |
8d063cd8 |
219 | } |
220 | $indent += $indmod; |
221 | $indmod = 0; |
222 | if ($redo) { |
223 | $_ = $redo; |
224 | $redo = ''; |
0a12ae7d |
225 | redo LINE; |
8d063cd8 |
226 | } |
227 | } |
ffed7fef |
228 | if ($lastlinewaslabel++) { |
229 | $indent += 4; |
0a12ae7d |
230 | print BODY &tab, ";\n"; |
ffed7fef |
231 | $indent -= 4; |
232 | } |
8d063cd8 |
233 | |
8d063cd8 |
234 | if ($appendseen || $tseen || !$assumen) { |
235 | $printit++ if $dseen || (!$assumen && !$assumep); |
9ef589d8 |
236 | print BODY &q(<<'EOT'); |
237 | : #ifdef SAWNEXT |
238 | : } |
239 | : continue { |
240 | : #endif |
241 | : #ifdef PRINTIT |
242 | : #ifdef DSEEN |
243 | : #ifdef ASSUMEP |
244 | : print if $printit++; |
245 | : #else |
246 | : if ($printit) |
247 | : { print; } |
248 | : else |
249 | : { $printit++ unless $nflag; } |
250 | : #endif |
251 | : #else |
252 | : print if $printit; |
253 | : #endif |
254 | : #else |
255 | : print; |
256 | : #endif |
257 | : #ifdef TSEEN |
258 | : $tflag = 0; |
259 | : #endif |
260 | : #ifdef APPENDSEEN |
261 | : if ($atext) { chop $atext; print $atext; $atext = ''; } |
262 | : #endif |
263 | EOT |
264 | |
265 | print BODY &q(<<'EOT'); |
266 | : } |
0a12ae7d |
267 | EOT |
8d063cd8 |
268 | } |
269 | |
0a12ae7d |
270 | close BODY; |
8d063cd8 |
271 | |
272 | unless ($debug) { |
0a12ae7d |
273 | open(HEAD,">/tmp/sperl2$$.c") |
274 | || &Die("Can't open temp file 2: $!\n"); |
9ef589d8 |
275 | print HEAD "#define PRINTIT\n" if $printit; |
276 | print HEAD "#define APPENDSEEN\n" if $appendseen; |
277 | print HEAD "#define TSEEN\n" if $tseen; |
278 | print HEAD "#define DSEEN\n" if $dseen; |
279 | print HEAD "#define ASSUMEN\n" if $assumen; |
280 | print HEAD "#define ASSUMEP\n" if $assumep; |
281 | print HEAD "#define TOPLABEL\n" if $toplabel; |
282 | print HEAD "#define SAWNEXT\n" if $sawnext; |
0a12ae7d |
283 | if ($opens) {print HEAD "$opens\n";} |
284 | open(BODY,"/tmp/sperl$$") |
285 | || &Die("Can't reopen temp file: $!\n"); |
286 | while (<BODY>) { |
287 | print HEAD $_; |
8d063cd8 |
288 | } |
0a12ae7d |
289 | close HEAD; |
8d063cd8 |
290 | |
9ef589d8 |
291 | print &q(<<"EOT"); |
292 | : #!$bin/perl |
293 | : eval 'exec $bin/perl -S \$0 \${1+"\$@"}' |
294 | : if \$running_under_some_shell; |
295 | : |
0a12ae7d |
296 | EOT |
297 | open(BODY,"cc -E /tmp/sperl2$$.c |") || |
298 | &Die("Can't reopen temp file: $!\n"); |
299 | while (<BODY>) { |
8d063cd8 |
300 | /^# [0-9]/ && next; |
301 | /^[ \t]*$/ && next; |
302 | s/^<><>//; |
303 | print; |
304 | } |
305 | } |
306 | |
0a12ae7d |
307 | &Cleanup; |
308 | exit; |
8d063cd8 |
309 | |
0a12ae7d |
310 | sub Cleanup { |
311 | chdir "/tmp"; |
312 | unlink "sperl$$", "sperl2$$", "sperl2$$.c"; |
313 | } |
8d063cd8 |
314 | sub Die { |
0a12ae7d |
315 | &Cleanup; |
8d063cd8 |
316 | die $_[0]; |
317 | } |
0a12ae7d |
318 | sub tab { |
319 | "\t" x ($indent / 8) . ' ' x ($indent % 8); |
320 | } |
8d063cd8 |
321 | sub make_filehandle { |
0a12ae7d |
322 | local($_) = $_[0]; |
323 | local($fname) = $_; |
9ef589d8 |
324 | if (!$seen{$fname}) { |
325 | $_ = "FH_" . $_ if /^\d/; |
326 | s/[^a-zA-Z0-9]/_/g; |
327 | s/^_*//; |
328 | $_ = "\U$_"; |
329 | if ($fhseen{$_}) { |
330 | for ($tmp = "a"; $fhseen{"$_$tmp"}; $a++) {} |
331 | $_ .= $tmp; |
332 | } |
333 | $fhseen{$_} = 1; |
334 | $opens .= &q(<<"EOT"); |
335 | : open($_, '>$fname') || die "Can't create $fname: \$!"; |
0a12ae7d |
336 | EOT |
9ef589d8 |
337 | $seen{$fname} = $_; |
8d063cd8 |
338 | } |
9ef589d8 |
339 | $seen{$fname}; |
8d063cd8 |
340 | } |
341 | |
342 | sub make_label { |
0a12ae7d |
343 | local($label) = @_; |
8d063cd8 |
344 | $label =~ s/[^a-zA-Z0-9]/_/g; |
345 | if ($label =~ /^[0-9_]/) { $label = 'L' . $label; } |
346 | $label = substr($label,0,8); |
0a12ae7d |
347 | |
348 | # Could be a reserved word, so capitalize it. |
349 | substr($label,0,1) =~ y/a-z/A-Z/ |
350 | if $label =~ /^[a-z]/; |
351 | |
8d063cd8 |
352 | $label; |
353 | } |
354 | |
355 | sub transmogrify { |
356 | { # case |
357 | if (/^d/) { |
358 | $dseen++; |
9ef589d8 |
359 | chop($_ = &q(<<'EOT')); |
360 | : <<--#ifdef PRINTIT |
361 | : $printit = 0; |
362 | : <<--#endif |
363 | : next LINE; |
0a12ae7d |
364 | EOT |
9ef589d8 |
365 | $sawnext++; |
8d063cd8 |
366 | next; |
367 | } |
368 | |
369 | if (/^n/) { |
9ef589d8 |
370 | chop($_ = &q(<<'EOT')); |
371 | : <<--#ifdef PRINTIT |
372 | : <<--#ifdef DSEEN |
373 | : <<--#ifdef ASSUMEP |
374 | : print if $printit++; |
375 | : <<--#else |
376 | : if ($printit) |
377 | : { print; } |
378 | : else |
379 | : { $printit++ unless $nflag; } |
380 | : <<--#endif |
381 | : <<--#else |
382 | : print if $printit; |
383 | : <<--#endif |
384 | : <<--#else |
385 | : print; |
386 | : <<--#endif |
387 | : <<--#ifdef APPENDSEEN |
388 | : if ($atext) {chop $atext; print $atext; $atext = '';} |
389 | : <<--#endif |
390 | : $_ = <>; |
391 | : chop; |
392 | : <<--#ifdef TSEEN |
393 | : $tflag = 0; |
394 | : <<--#endif |
0a12ae7d |
395 | EOT |
8d063cd8 |
396 | next; |
397 | } |
398 | |
399 | if (/^a/) { |
400 | $appendseen++; |
9ef589d8 |
401 | $command = $space . "\$atext .= <<'End_Of_Text';\n<<--"; |
8d063cd8 |
402 | $lastline = 0; |
403 | while (<>) { |
404 | s/^[ \t]*//; |
405 | s/^[\\]//; |
406 | unless (s|\\$||) { $lastline = 1;} |
8d063cd8 |
407 | s/^([ \t]*\n)/<><>$1/; |
408 | $command .= $_; |
409 | $command .= '<<--'; |
410 | last if $lastline; |
411 | } |
9ef589d8 |
412 | $_ = $command . "End_Of_Text"; |
8d063cd8 |
413 | last; |
414 | } |
415 | |
416 | if (/^[ic]/) { |
417 | if (/^c/) { $change = 1; } |
9ef589d8 |
418 | $addr1 = 1 if $addr1 eq ''; |
8d063cd8 |
419 | $addr1 = '$iter = (' . $addr1 . ')'; |
9ef589d8 |
420 | $command = $space . |
421 | " if (\$iter == 1) { print <<'End_Of_Text'; }\n<<--"; |
8d063cd8 |
422 | $lastline = 0; |
423 | while (<>) { |
424 | s/^[ \t]*//; |
425 | s/^[\\]//; |
426 | unless (s/\\$//) { $lastline = 1;} |
427 | s/'/\\'/g; |
428 | s/^([ \t]*\n)/<><>$1/; |
429 | $command .= $_; |
430 | $command .= '<<--'; |
431 | last if $lastline; |
432 | } |
9ef589d8 |
433 | $_ = $command . "End_Of_Text"; |
8d063cd8 |
434 | if ($change) { |
435 | $dseen++; |
436 | $change = "$_\n"; |
9ef589d8 |
437 | chop($_ = &q(<<"EOT")); |
438 | : <<--#ifdef PRINTIT |
439 | : $space\$printit = 0; |
440 | : <<--#endif |
441 | : ${space}next LINE; |
0a12ae7d |
442 | EOT |
9ef589d8 |
443 | $sawnext++; |
8d063cd8 |
444 | } |
445 | last; |
446 | } |
447 | |
448 | if (/^s/) { |
449 | $delim = substr($_,1,1); |
450 | $len = length($_); |
451 | $repl = $end = 0; |
a687059c |
452 | $inbracket = 0; |
8d063cd8 |
453 | for ($i = 2; $i < $len; $i++) { |
454 | $c = substr($_,$i,1); |
a687059c |
455 | if ($c eq $delim) { |
456 | if ($inbracket) { |
0a12ae7d |
457 | substr($_, $i, 0) = '\\'; |
a687059c |
458 | $i++; |
459 | $len++; |
460 | } |
461 | else { |
462 | if ($repl) { |
463 | $end = $i; |
464 | last; |
465 | } else { |
466 | $repl = $i; |
467 | } |
468 | } |
469 | } |
470 | elsif ($c eq '\\') { |
8d063cd8 |
471 | $i++; |
472 | if ($i >= $len) { |
473 | $_ .= 'n'; |
474 | $_ .= <>; |
475 | $len = length($_); |
476 | $_ = substr($_,0,--$len); |
477 | } |
00bf170e |
478 | elsif (substr($_,$i,1) =~ /^[n]$/) { |
479 | ; |
480 | } |
0a12ae7d |
481 | elsif (!$repl && |
482 | substr($_,$i,1) =~ /^[(){}\w]$/) { |
8d063cd8 |
483 | $i--; |
484 | $len--; |
0a12ae7d |
485 | substr($_, $i, 1) = ''; |
8d063cd8 |
486 | } |
0a12ae7d |
487 | elsif (!$repl && |
488 | substr($_,$i,1) =~ /^[<>]$/) { |
9f68db38 |
489 | substr($_,$i,1) = 'b'; |
490 | } |
8d063cd8 |
491 | } |
a687059c |
492 | elsif ($c eq '[' && !$repl) { |
493 | $i++ if substr($_,$i,1) eq '^'; |
494 | $i++ if substr($_,$i,1) eq ']'; |
495 | $inbracket = 1; |
8d063cd8 |
496 | } |
a687059c |
497 | elsif ($c eq ']') { |
498 | $inbracket = 0; |
499 | } |
9ef589d8 |
500 | elsif ($c eq "\t") { |
501 | substr($_, $i, 1) = '\\t'; |
502 | $i++; |
503 | $len++; |
504 | } |
ae986130 |
505 | elsif (!$repl && index("()+",$c) >= 0) { |
0a12ae7d |
506 | substr($_, $i, 0) = '\\'; |
8d063cd8 |
507 | $i++; |
508 | $len++; |
509 | } |
510 | } |
0a12ae7d |
511 | &Die("Malformed substitution at line $.\n") |
512 | unless $end; |
8d063cd8 |
513 | $pat = substr($_, 0, $repl + 1); |
0a12ae7d |
514 | $repl = substr($_, $repl+1, $end-$repl-1); |
8d063cd8 |
515 | $end = substr($_, $end + 1, 1000); |
9ef589d8 |
516 | &simplify($pat); |
8d063cd8 |
517 | $dol = '$'; |
378cc40b |
518 | $repl =~ s/\$/\\$/; |
8d063cd8 |
519 | $repl =~ s'&'$&'g; |
520 | $repl =~ s/[\\]([0-9])/$dol$1/g; |
521 | $subst = "$pat$repl$delim"; |
522 | $cmd = ''; |
523 | while ($end) { |
0a12ae7d |
524 | if ($end =~ s/^g//) { |
525 | $subst .= 'g'; |
526 | next; |
527 | } |
528 | if ($end =~ s/^p//) { |
529 | $cmd .= ' && (print)'; |
530 | next; |
531 | } |
8d063cd8 |
532 | if ($end =~ s/^w[ \t]*//) { |
0a12ae7d |
533 | $fh = &make_filehandle($end); |
8d063cd8 |
534 | $cmd .= " && (print $fh \$_)"; |
535 | $end = ''; |
536 | next; |
537 | } |
0a12ae7d |
538 | &Die("Unrecognized substitution command". |
539 | "($end) at line $.\n"); |
8d063cd8 |
540 | } |
9ef589d8 |
541 | chop ($_ = &q(<<"EOT")); |
542 | : <<--#ifdef TSEEN |
543 | : $subst && \$tflag++$cmd; |
544 | : <<--#else |
545 | : $subst$cmd; |
546 | : <<--#endif |
0a12ae7d |
547 | EOT |
8d063cd8 |
548 | next; |
549 | } |
550 | |
551 | if (/^p/) { |
552 | $_ = 'print;'; |
553 | next; |
554 | } |
555 | |
556 | if (/^w/) { |
557 | s/^w[ \t]*//; |
0a12ae7d |
558 | $fh = &make_filehandle($_); |
8d063cd8 |
559 | $_ = "print $fh \$_;"; |
560 | next; |
561 | } |
562 | |
563 | if (/^r/) { |
564 | $appendseen++; |
565 | s/^r[ \t]*//; |
566 | $file = $_; |
567 | $_ = "\$atext .= `cat $file 2>/dev/null`;"; |
568 | next; |
569 | } |
570 | |
571 | if (/^P/) { |
9ef589d8 |
572 | $_ = 'print $1 if /^(.*)/;'; |
8d063cd8 |
573 | next; |
574 | } |
575 | |
576 | if (/^D/) { |
9ef589d8 |
577 | chop($_ = &q(<<'EOT')); |
578 | : s/^.*\n?//; |
579 | : redo LINE if $_; |
580 | : next LINE; |
0a12ae7d |
581 | EOT |
9ef589d8 |
582 | $sawnext++; |
8d063cd8 |
583 | next; |
584 | } |
585 | |
586 | if (/^N/) { |
9ef589d8 |
587 | chop($_ = &q(<<'EOT')); |
588 | : $_ .= "\n"; |
589 | : $len1 = length; |
590 | : $_ .= <>; |
591 | : chop if $len1 < length; |
592 | : <<--#ifdef TSEEN |
593 | : $tflag = 0; |
594 | : <<--#endif |
0a12ae7d |
595 | EOT |
8d063cd8 |
596 | next; |
597 | } |
598 | |
599 | if (/^h/) { |
600 | $_ = '$hold = $_;'; |
601 | next; |
602 | } |
603 | |
604 | if (/^H/) { |
9ef589d8 |
605 | $_ = '$hold .= "\n"; $hold .= $_;'; |
8d063cd8 |
606 | next; |
607 | } |
608 | |
609 | if (/^g/) { |
610 | $_ = '$_ = $hold;'; |
611 | next; |
612 | } |
613 | |
614 | if (/^G/) { |
9ef589d8 |
615 | $_ = '$_ .= "\n"; $_ .= $hold;'; |
8d063cd8 |
616 | next; |
617 | } |
618 | |
619 | if (/^x/) { |
620 | $_ = '($_, $hold) = ($hold, $_);'; |
621 | next; |
622 | } |
623 | |
624 | if (/^b$/) { |
0a12ae7d |
625 | $_ = 'next LINE;'; |
9ef589d8 |
626 | $sawnext++; |
8d063cd8 |
627 | next; |
628 | } |
629 | |
630 | if (/^b/) { |
631 | s/^b[ \t]*//; |
0a12ae7d |
632 | $lab = &make_label($_); |
8d063cd8 |
633 | if ($lab eq $toplabel) { |
0a12ae7d |
634 | $_ = 'redo LINE;'; |
8d063cd8 |
635 | } else { |
636 | $_ = "goto $lab;"; |
637 | } |
638 | next; |
639 | } |
640 | |
641 | if (/^t$/) { |
0a12ae7d |
642 | $_ = 'next LINE if $tflag;'; |
9ef589d8 |
643 | $sawnext++; |
8d063cd8 |
644 | $tseen++; |
645 | next; |
646 | } |
647 | |
648 | if (/^t/) { |
649 | s/^t[ \t]*//; |
0a12ae7d |
650 | $lab = &make_label($_); |
9ef589d8 |
651 | $_ = q/if ($tflag) {$tflag = 0; /; |
8d063cd8 |
652 | if ($lab eq $toplabel) { |
0a12ae7d |
653 | $_ .= 'redo LINE;}'; |
8d063cd8 |
654 | } else { |
0a12ae7d |
655 | $_ .= "goto $lab;}"; |
8d063cd8 |
656 | } |
657 | $tseen++; |
658 | next; |
659 | } |
660 | |
9ef589d8 |
661 | if (/^y/) { |
662 | s/abcdefghijklmnopqrstuvwxyz/a-z/g; |
663 | s/ABCDEFGHIJKLMNOPQRSTUVWXYZ/A-Z/g; |
664 | s/abcdef/a-f/g; |
665 | s/ABCDEF/A-F/g; |
666 | s/0123456789/0-9/g; |
667 | s/01234567/0-7/g; |
668 | $_ .= ';'; |
669 | } |
670 | |
8d063cd8 |
671 | if (/^=/) { |
9ef589d8 |
672 | $_ = 'print $.;'; |
8d063cd8 |
673 | next; |
674 | } |
675 | |
676 | if (/^q/) { |
9ef589d8 |
677 | chop($_ = &q(<<'EOT')); |
678 | : close(ARGV); |
679 | : @ARGV = (); |
680 | : next LINE; |
0a12ae7d |
681 | EOT |
9ef589d8 |
682 | $sawnext++; |
8d063cd8 |
683 | next; |
684 | } |
685 | } continue { |
686 | if ($space) { |
687 | s/^/$space/; |
688 | s/(\n)(.)/$1$space$2/g; |
689 | } |
690 | last; |
691 | } |
692 | $_; |
693 | } |
694 | |
a687059c |
695 | sub fetchpat { |
696 | local($outer) = @_; |
697 | local($addr) = $outer; |
698 | local($inbracket); |
699 | local($prefix,$delim,$ch); |
700 | |
0a12ae7d |
701 | # Process pattern one potential delimiter at a time. |
702 | |
703 | DELIM: while (s#^([^\]+(|)[\\/]*)([]+(|)[\\/])##) { |
a687059c |
704 | $prefix = $1; |
705 | $delim = $2; |
a687059c |
706 | if ($delim eq '\\') { |
707 | s/(.)//; |
708 | $ch = $1; |
00bf170e |
709 | $delim = '' if $ch =~ /^[(){}A-Za-mo-z]$/; |
9f68db38 |
710 | $ch = 'b' if $ch =~ /^[<>]$/; |
711 | $delim .= $ch; |
a687059c |
712 | } |
713 | elsif ($delim eq '[') { |
714 | $inbracket = 1; |
715 | s/^\^// && ($delim .= '^'); |
716 | s/^]// && ($delim .= ']'); |
a687059c |
717 | } |
718 | elsif ($delim eq ']') { |
719 | $inbracket = 0; |
720 | } |
721 | elsif ($inbracket || $delim ne $outer) { |
a687059c |
722 | $delim = '\\' . $delim; |
723 | } |
724 | $addr .= $prefix; |
725 | $addr .= $delim; |
726 | if ($delim eq $outer && !$inbracket) { |
0a12ae7d |
727 | last DELIM; |
a687059c |
728 | } |
729 | } |
9ef589d8 |
730 | $addr =~ s/\t/\\t/g; |
731 | &simplify($addr); |
a687059c |
732 | $addr; |
733 | } |
734 | |
9ef589d8 |
735 | sub q { |
736 | local($string) = @_; |
737 | local($*) = 1; |
738 | $string =~ s/^:\t?//g; |
739 | $string; |
740 | } |
741 | |
742 | sub simplify { |
743 | $_[0] =~ s/_a-za-z0-9/\\w/ig; |
744 | $_[0] =~ s/a-z_a-z0-9/\\w/ig; |
745 | $_[0] =~ s/a-za-z_0-9/\\w/ig; |
746 | $_[0] =~ s/a-za-z0-9_/\\w/ig; |
747 | $_[0] =~ s/_0-9a-za-z/\\w/ig; |
748 | $_[0] =~ s/0-9_a-za-z/\\w/ig; |
749 | $_[0] =~ s/0-9a-z_a-z/\\w/ig; |
750 | $_[0] =~ s/0-9a-za-z_/\\w/ig; |
751 | $_[0] =~ s/\[\\w\]/\\w/g; |
752 | $_[0] =~ s/\[^\\w\]/\\W/g; |
753 | $_[0] =~ s/\[0-9\]/\\d/g; |
754 | $_[0] =~ s/\[^0-9\]/\\D/g; |
755 | $_[0] =~ s/\\d\\d\*/\\d+/g; |
756 | $_[0] =~ s/\\D\\D\*/\\D+/g; |
757 | $_[0] =~ s/\\w\\w\*/\\w+/g; |
758 | $_[0] =~ s/\\t\\t\*/\\t+/g; |
759 | $_[0] =~ s/(\[.[^]]*\])\1\*/$1+/g; |
760 | $_[0] =~ s/([\w\s!@#%^&-=,:;'"])\1\*/$1+/g; |
761 | } |
762 | |
a687059c |
763 | !NO!SUBS! |
764 | chmod 755 s2p |
765 | $eunicefix s2p |