| 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 . || \ |
| 10 | ln ../../config.sh . || \ |
| 11 | ln ../../../config.sh . || \ |
| 12 | (echo "Can't find config.sh."; exit 1) |
| 13 | fi |
| 14 | . config.sh |
| 15 | ;; |
| 16 | esac |
| 17 | echo "Extracting s2p (with variable substitutions)" |
| 18 | : This section of the file will have variable substitutions done on it. |
| 19 | : Move anything that needs config subs from !NO!SUBS! section to !GROK!THIS!. |
| 20 | : Protect any dollar signs and backticks that you do not want interpreted |
| 21 | : by putting a backslash in front. You may delete these comments. |
| 22 | $spitshell >s2p <<!GROK!THIS! |
| 23 | #!$bin/perl |
| 24 | |
| 25 | \$bin = '$bin'; |
| 26 | !GROK!THIS! |
| 27 | |
| 28 | : In the following dollars and backticks do not need the extra backslash. |
| 29 | $spitshell >>s2p <<'!NO!SUBS!' |
| 30 | |
| 9f68db38 |
31 | # $Header: s2p.SH,v 3.0.1.3 90/03/01 10:31:21 lwall Locked $ |
| 378cc40b |
32 | # |
| a687059c |
33 | # $Log: s2p.SH,v $ |
| 9f68db38 |
34 | # Revision 3.0.1.3 90/03/01 10:31:21 lwall |
| 35 | # patch9: s2p didn't handle \< and \> |
| 36 | # |
| ffed7fef |
37 | # Revision 3.0.1.2 89/11/17 15:51:27 lwall |
| 38 | # patch5: in s2p, line labels without a subsequent statement were done wrong |
| 39 | # patch5: s2p left residue in /tmp |
| 40 | # |
| ae986130 |
41 | # Revision 3.0.1.1 89/11/11 05:08:25 lwall |
| 42 | # patch2: in s2p, + within patterns needed backslashing |
| 43 | # patch2: s2p was printing out some debugging info to the output file |
| 44 | # |
| a687059c |
45 | # Revision 3.0 89/10/18 15:35:02 lwall |
| 46 | # 3.0 baseline |
| 47 | # |
| 48 | # Revision 2.0.1.1 88/07/11 23:26:23 root |
| 49 | # patch2: s2p didn't put a proper prologue on output script |
| 50 | # |
| 378cc40b |
51 | # Revision 2.0 88/06/05 00:15:55 root |
| 52 | # Baseline version 2.0. |
| 53 | # |
| 54 | # |
| 8d063cd8 |
55 | |
| 56 | $indent = 4; |
| 57 | $shiftwidth = 4; |
| 58 | $l = '{'; $r = '}'; |
| 59 | $tempvar = '1'; |
| 60 | |
| 61 | while ($ARGV[0] =~ '^-') { |
| 62 | $_ = shift; |
| 63 | last if /^--/; |
| 64 | if (/^-D/) { |
| 65 | $debug++; |
| 66 | open(body,'>-'); |
| 67 | next; |
| 68 | } |
| 69 | if (/^-n/) { |
| 70 | $assumen++; |
| 71 | next; |
| 72 | } |
| 73 | if (/^-p/) { |
| 74 | $assumep++; |
| 75 | next; |
| 76 | } |
| 378cc40b |
77 | die "I don't recognize this switch: $_\n"; |
| 8d063cd8 |
78 | } |
| 79 | |
| 80 | unless ($debug) { |
| 378cc40b |
81 | open(body,">/tmp/sperl$$") || do Die("Can't open temp file"); |
| 8d063cd8 |
82 | } |
| 83 | |
| 84 | if (!$assumen && !$assumep) { |
| 85 | print body |
| 86 | 'while ($ARGV[0] =~ /^-/) { |
| 87 | $_ = shift; |
| 88 | last if /^--/; |
| 89 | if (/^-n/) { |
| 90 | $nflag++; |
| 91 | next; |
| 92 | } |
| 378cc40b |
93 | die "I don\'t recognize this switch: $_\\n"; |
| 8d063cd8 |
94 | } |
| 95 | |
| 96 | '; |
| 97 | } |
| 98 | |
| 99 | print body ' |
| 100 | #ifdef PRINTIT |
| 101 | #ifdef ASSUMEP |
| 102 | $printit++; |
| 103 | #else |
| 104 | $printit++ unless $nflag; |
| 105 | #endif |
| 106 | #endif |
| 107 | line: while (<>) { |
| 108 | '; |
| 109 | |
| 110 | line: while (<>) { |
| 111 | s/[ \t]*(.*)\n$/$1/; |
| 112 | if (/^:/) { |
| 113 | s/^:[ \t]*//; |
| 114 | $label = do make_label($_); |
| 115 | if ($. == 1) { |
| 116 | $toplabel = $label; |
| 117 | } |
| 118 | $_ = "$label:"; |
| ffed7fef |
119 | if ($lastlinewaslabel++) { |
| 120 | $indent += 4; |
| 121 | print body "\t" x ($indent / 8), ' ' x ($indent % 8), ";\n"; |
| 122 | $indent -= 4; |
| 123 | } |
| 8d063cd8 |
124 | if ($indent >= 2) { |
| 125 | $indent -= 2; |
| 126 | $indmod = 2; |
| 127 | } |
| 128 | next; |
| 129 | } else { |
| 130 | $lastlinewaslabel = ''; |
| 131 | } |
| 132 | $addr1 = ''; |
| 133 | $addr2 = ''; |
| 134 | if (s/^([0-9]+)//) { |
| 135 | $addr1 = "$1"; |
| 136 | } |
| 137 | elsif (s/^\$//) { |
| 138 | $addr1 = 'eof()'; |
| 139 | } |
| 140 | elsif (s|^/||) { |
| a687059c |
141 | $addr1 = do fetchpat('/'); |
| 8d063cd8 |
142 | } |
| 143 | if (s/^,//) { |
| 144 | if (s/^([0-9]+)//) { |
| 145 | $addr2 = "$1"; |
| 146 | } elsif (s/^\$//) { |
| 147 | $addr2 = "eof()"; |
| 148 | } elsif (s|^/||) { |
| a687059c |
149 | $addr2 = do fetchpat('/'); |
| 8d063cd8 |
150 | } else { |
| 378cc40b |
151 | do Die("Invalid second address at line $.\n"); |
| 8d063cd8 |
152 | } |
| 153 | $addr1 .= " .. $addr2"; |
| 154 | } |
| 155 | # a { to keep vi happy |
| 378cc40b |
156 | s/^[ \t]+//; |
| 8d063cd8 |
157 | if ($_ eq '}') { |
| 158 | $indent -= 4; |
| 159 | next; |
| 160 | } |
| 161 | if (s/^!//) { |
| 162 | $if = 'unless'; |
| 163 | $else = "$r else $l\n"; |
| 164 | } else { |
| 165 | $if = 'if'; |
| 166 | $else = ''; |
| 167 | } |
| 168 | if (s/^{//) { # a } to keep vi happy |
| 169 | $indmod = 4; |
| 170 | $redo = $_; |
| 171 | $_ = ''; |
| 172 | $rmaybe = ''; |
| 173 | } else { |
| 174 | $rmaybe = "\n$r"; |
| 175 | if ($addr2 || $addr1) { |
| a687059c |
176 | $space = ' ' x $shiftwidth; |
| 8d063cd8 |
177 | } else { |
| 178 | $space = ''; |
| 179 | } |
| 180 | $_ = do transmogrify(); |
| 181 | } |
| 182 | |
| 183 | if ($addr1) { |
| 184 | if ($_ !~ /[\n{}]/ && $rmaybe && !$change && |
| 185 | $_ !~ / if / && $_ !~ / unless /) { |
| 186 | s/;$/ $if $addr1;/; |
| 187 | $_ = substr($_,$shiftwidth,1000); |
| 188 | } else { |
| 189 | $command = $_; |
| 190 | $_ = "$if ($addr1) $l\n$change$command$rmaybe"; |
| 191 | } |
| 192 | $change = ''; |
| 193 | next line; |
| 194 | } |
| 195 | } continue { |
| 196 | @lines = split(/\n/,$_); |
| 197 | while ($#lines >= 0) { |
| 198 | $_ = shift(lines); |
| 199 | unless (s/^ *<<--//) { |
| a687059c |
200 | print body "\t" x ($indent / 8), ' ' x ($indent % 8); |
| 8d063cd8 |
201 | } |
| 202 | print body $_, "\n"; |
| 203 | } |
| 204 | $indent += $indmod; |
| 205 | $indmod = 0; |
| 206 | if ($redo) { |
| 207 | $_ = $redo; |
| 208 | $redo = ''; |
| 209 | redo line; |
| 210 | } |
| 211 | } |
| ffed7fef |
212 | if ($lastlinewaslabel++) { |
| 213 | $indent += 4; |
| 214 | print body "\t" x ($indent / 8), ' ' x ($indent % 8), ";\n"; |
| 215 | $indent -= 4; |
| 216 | } |
| 8d063cd8 |
217 | |
| 218 | print body "}\n"; |
| 219 | if ($appendseen || $tseen || !$assumen) { |
| 220 | $printit++ if $dseen || (!$assumen && !$assumep); |
| 221 | print body ' |
| 222 | continue { |
| 223 | #ifdef PRINTIT |
| 224 | #ifdef DSEEN |
| 225 | #ifdef ASSUMEP |
| 226 | print if $printit++; |
| 227 | #else |
| 228 | if ($printit) { print;} else { $printit++ unless $nflag; } |
| 229 | #endif |
| 230 | #else |
| 231 | print if $printit; |
| 232 | #endif |
| 233 | #else |
| 234 | print; |
| 235 | #endif |
| 236 | #ifdef TSEEN |
| 237 | $tflag = \'\'; |
| 238 | #endif |
| 239 | #ifdef APPENDSEEN |
| 240 | if ($atext) { print $atext; $atext = \'\'; } |
| 241 | #endif |
| 242 | } |
| 243 | '; |
| 244 | } |
| 245 | |
| 246 | close body; |
| 247 | |
| 248 | unless ($debug) { |
| 378cc40b |
249 | open(head,">/tmp/sperl2$$.c") || do Die("Can't open temp file 2"); |
| 8d063cd8 |
250 | print head "#define PRINTIT\n" if ($printit); |
| 251 | print head "#define APPENDSEEN\n" if ($appendseen); |
| 252 | print head "#define TSEEN\n" if ($tseen); |
| 253 | print head "#define DSEEN\n" if ($dseen); |
| 254 | print head "#define ASSUMEN\n" if ($assumen); |
| 255 | print head "#define ASSUMEP\n" if ($assumep); |
| 256 | if ($opens) {print head "$opens\n";} |
| 378cc40b |
257 | open(body,"/tmp/sperl$$") || do Die("Can't reopen temp file"); |
| 8d063cd8 |
258 | while (<body>) { |
| 259 | print head $_; |
| 260 | } |
| 261 | close head; |
| 262 | |
| a687059c |
263 | print "#!$bin/perl |
| 264 | eval \"exec $bin/perl -S \$0 \$*\" |
| 265 | if \$running_under_some_shell; |
| 266 | |
| 267 | "; |
| 378cc40b |
268 | open(body,"cc -E /tmp/sperl2$$.c |") || |
| 269 | do Die("Can't reopen temp file"); |
| 8d063cd8 |
270 | while (<body>) { |
| 271 | /^# [0-9]/ && next; |
| 272 | /^[ \t]*$/ && next; |
| 273 | s/^<><>//; |
| 274 | print; |
| 275 | } |
| 276 | } |
| 277 | |
| ffed7fef |
278 | unlink "/tmp/sperl$$", "/tmp/sperl2$$", "/tmp/sperl2$$.c"; |
| 8d063cd8 |
279 | |
| 280 | sub Die { |
| ffed7fef |
281 | unlink "/tmp/sperl$$", "/tmp/sperl2$$", "/tmp/sperl2$$.c"; |
| 8d063cd8 |
282 | die $_[0]; |
| 283 | } |
| 284 | sub make_filehandle { |
| 285 | $fname = $_ = $_[0]; |
| 286 | s/[^a-zA-Z]/_/g; |
| 287 | s/^_*//; |
| 288 | if (/^([a-z])([a-z]*)$/) { |
| 289 | $first = $1; |
| 290 | $rest = $2; |
| 291 | $first =~ y/a-z/A-Z/; |
| 292 | $_ = $first . $rest; |
| 293 | } |
| 294 | if (!$seen{$_}) { |
| 378cc40b |
295 | $opens .= "open($_,'>$fname') || die \"Can't create $fname\";\n"; |
| 8d063cd8 |
296 | } |
| 297 | $seen{$_} = $_; |
| 298 | } |
| 299 | |
| 300 | sub make_label { |
| 301 | $label = $_[0]; |
| 302 | $label =~ s/[^a-zA-Z0-9]/_/g; |
| 303 | if ($label =~ /^[0-9_]/) { $label = 'L' . $label; } |
| 304 | $label = substr($label,0,8); |
| a687059c |
305 | if ($label =~ /^([a-z])([a-z]*)$/) { # could be reserved word |
| 8d063cd8 |
306 | $first = $1; |
| 307 | $rest = $2; |
| a687059c |
308 | $first =~ y/a-z/A-Z/; # so capitalize it |
| 8d063cd8 |
309 | $label = $first . $rest; |
| 310 | } |
| 311 | $label; |
| 312 | } |
| 313 | |
| 314 | sub transmogrify { |
| 315 | { # case |
| 316 | if (/^d/) { |
| 317 | $dseen++; |
| 318 | $_ = ' |
| 319 | <<--#ifdef PRINTIT |
| 320 | $printit = \'\'; |
| 321 | <<--#endif |
| 322 | next line;'; |
| 323 | next; |
| 324 | } |
| 325 | |
| 326 | if (/^n/) { |
| 327 | $_ = |
| 328 | '<<--#ifdef PRINTIT |
| 329 | <<--#ifdef DSEEN |
| 330 | <<--#ifdef ASSUMEP |
| 331 | print if $printit++; |
| 332 | <<--#else |
| 333 | if ($printit) { print;} else { $printit++ unless $nflag; } |
| 334 | <<--#endif |
| 335 | <<--#else |
| 336 | print if $printit; |
| 337 | <<--#endif |
| 338 | <<--#else |
| 339 | print; |
| 340 | <<--#endif |
| 341 | <<--#ifdef APPENDSEEN |
| 342 | if ($atext) {print $atext; $atext = \'\';} |
| 343 | <<--#endif |
| 344 | $_ = <>; |
| 345 | <<--#ifdef TSEEN |
| 346 | $tflag = \'\'; |
| 347 | <<--#endif'; |
| 348 | next; |
| 349 | } |
| 350 | |
| 351 | if (/^a/) { |
| 352 | $appendseen++; |
| 353 | $command = $space . '$atext .=' . "\n<<--'"; |
| 354 | $lastline = 0; |
| 355 | while (<>) { |
| 356 | s/^[ \t]*//; |
| 357 | s/^[\\]//; |
| 358 | unless (s|\\$||) { $lastline = 1;} |
| 359 | s/'/\\'/g; |
| 360 | s/^([ \t]*\n)/<><>$1/; |
| 361 | $command .= $_; |
| 362 | $command .= '<<--'; |
| 363 | last if $lastline; |
| 364 | } |
| 365 | $_ = $command . "';"; |
| 366 | last; |
| 367 | } |
| 368 | |
| 369 | if (/^[ic]/) { |
| 370 | if (/^c/) { $change = 1; } |
| 371 | $addr1 = '$iter = (' . $addr1 . ')'; |
| 372 | $command = $space . 'if ($iter == 1) { print' . "\n<<--'"; |
| 373 | $lastline = 0; |
| 374 | while (<>) { |
| 375 | s/^[ \t]*//; |
| 376 | s/^[\\]//; |
| 377 | unless (s/\\$//) { $lastline = 1;} |
| 378 | s/'/\\'/g; |
| 379 | s/^([ \t]*\n)/<><>$1/; |
| 380 | $command .= $_; |
| 381 | $command .= '<<--'; |
| 382 | last if $lastline; |
| 383 | } |
| 384 | $_ = $command . "';}"; |
| 385 | if ($change) { |
| 386 | $dseen++; |
| 387 | $change = "$_\n"; |
| 388 | $_ = " |
| 389 | <<--#ifdef PRINTIT |
| 390 | $space\$printit = ''; |
| 391 | <<--#endif |
| 392 | ${space}next line;"; |
| 393 | } |
| 394 | last; |
| 395 | } |
| 396 | |
| 397 | if (/^s/) { |
| 398 | $delim = substr($_,1,1); |
| 399 | $len = length($_); |
| 400 | $repl = $end = 0; |
| a687059c |
401 | $inbracket = 0; |
| 8d063cd8 |
402 | for ($i = 2; $i < $len; $i++) { |
| 403 | $c = substr($_,$i,1); |
| a687059c |
404 | if ($c eq $delim) { |
| 405 | if ($inbracket) { |
| 406 | $_ = substr($_,0,$i) . '\\' . substr($_,$i,10000); |
| 407 | $i++; |
| 408 | $len++; |
| 409 | } |
| 410 | else { |
| 411 | if ($repl) { |
| 412 | $end = $i; |
| 413 | last; |
| 414 | } else { |
| 415 | $repl = $i; |
| 416 | } |
| 417 | } |
| 418 | } |
| 419 | elsif ($c eq '\\') { |
| 8d063cd8 |
420 | $i++; |
| 421 | if ($i >= $len) { |
| 422 | $_ .= 'n'; |
| 423 | $_ .= <>; |
| 424 | $len = length($_); |
| 425 | $_ = substr($_,0,--$len); |
| 426 | } |
| a687059c |
427 | elsif (!$repl && substr($_,$i,1) =~ /^[(){}\w]$/) { |
| 8d063cd8 |
428 | $i--; |
| 429 | $len--; |
| 430 | $_ = substr($_,0,$i) . substr($_,$i+1,10000); |
| 431 | } |
| 9f68db38 |
432 | elsif (!$repl && substr($_,$i,1) =~ /^[<>]$/) { |
| 433 | substr($_,$i,1) = 'b'; |
| 434 | } |
| 8d063cd8 |
435 | } |
| a687059c |
436 | elsif ($c eq '[' && !$repl) { |
| 437 | $i++ if substr($_,$i,1) eq '^'; |
| 438 | $i++ if substr($_,$i,1) eq ']'; |
| 439 | $inbracket = 1; |
| 8d063cd8 |
440 | } |
| a687059c |
441 | elsif ($c eq ']') { |
| 442 | $inbracket = 0; |
| 443 | } |
| ae986130 |
444 | elsif (!$repl && index("()+",$c) >= 0) { |
| 8d063cd8 |
445 | $_ = substr($_,0,$i) . '\\' . substr($_,$i,10000); |
| 446 | $i++; |
| 447 | $len++; |
| 448 | } |
| 449 | } |
| 378cc40b |
450 | do Die("Malformed substitution at line $.\n") unless $end; |
| 8d063cd8 |
451 | $pat = substr($_, 0, $repl + 1); |
| 452 | $repl = substr($_, $repl + 1, $end - $repl - 1); |
| 453 | $end = substr($_, $end + 1, 1000); |
| 454 | $dol = '$'; |
| 378cc40b |
455 | $repl =~ s/\$/\\$/; |
| 8d063cd8 |
456 | $repl =~ s'&'$&'g; |
| 457 | $repl =~ s/[\\]([0-9])/$dol$1/g; |
| 458 | $subst = "$pat$repl$delim"; |
| 459 | $cmd = ''; |
| 460 | while ($end) { |
| 461 | if ($end =~ s/^g//) { $subst .= 'g'; next; } |
| 462 | if ($end =~ s/^p//) { $cmd .= ' && (print)'; next; } |
| 463 | if ($end =~ s/^w[ \t]*//) { |
| 464 | $fh = do make_filehandle($end); |
| 465 | $cmd .= " && (print $fh \$_)"; |
| 466 | $end = ''; |
| 467 | next; |
| 468 | } |
| 378cc40b |
469 | do Die("Unrecognized substitution command ($end) at line $.\n"); |
| 8d063cd8 |
470 | } |
| a687059c |
471 | $_ = |
| 472 | "<<--#ifdef TSEEN |
| 473 | $subst && \$tflag++$cmd; |
| 474 | <<--#else |
| 475 | $subst$cmd; |
| 476 | <<--#endif"; |
| 8d063cd8 |
477 | next; |
| 478 | } |
| 479 | |
| 480 | if (/^p/) { |
| 481 | $_ = 'print;'; |
| 482 | next; |
| 483 | } |
| 484 | |
| 485 | if (/^w/) { |
| 486 | s/^w[ \t]*//; |
| 487 | $fh = do make_filehandle($_); |
| 488 | $_ = "print $fh \$_;"; |
| 489 | next; |
| 490 | } |
| 491 | |
| 492 | if (/^r/) { |
| 493 | $appendseen++; |
| 494 | s/^r[ \t]*//; |
| 495 | $file = $_; |
| 496 | $_ = "\$atext .= `cat $file 2>/dev/null`;"; |
| 497 | next; |
| 498 | } |
| 499 | |
| 500 | if (/^P/) { |
| a687059c |
501 | $_ = 'print $1 if /(^.*\n)/;'; |
| 8d063cd8 |
502 | next; |
| 503 | } |
| 504 | |
| 505 | if (/^D/) { |
| 506 | $_ = |
| a687059c |
507 | 's/^.*\n//; |
| 508 | redo line if $_; |
| 8d063cd8 |
509 | next line;'; |
| 510 | next; |
| 511 | } |
| 512 | |
| 513 | if (/^N/) { |
| 514 | $_ = ' |
| 515 | $_ .= <>; |
| 516 | <<--#ifdef TSEEN |
| 517 | $tflag = \'\'; |
| 518 | <<--#endif'; |
| 519 | next; |
| 520 | } |
| 521 | |
| 522 | if (/^h/) { |
| 523 | $_ = '$hold = $_;'; |
| 524 | next; |
| 525 | } |
| 526 | |
| 527 | if (/^H/) { |
| 528 | $_ = '$hold .= $_ ? $_ : "\n";'; |
| 529 | next; |
| 530 | } |
| 531 | |
| 532 | if (/^g/) { |
| 533 | $_ = '$_ = $hold;'; |
| 534 | next; |
| 535 | } |
| 536 | |
| 537 | if (/^G/) { |
| 538 | $_ = '$_ .= $hold ? $hold : "\n";'; |
| 539 | next; |
| 540 | } |
| 541 | |
| 542 | if (/^x/) { |
| 543 | $_ = '($_, $hold) = ($hold, $_);'; |
| 544 | next; |
| 545 | } |
| 546 | |
| 547 | if (/^b$/) { |
| 548 | $_ = 'next line;'; |
| 549 | next; |
| 550 | } |
| 551 | |
| 552 | if (/^b/) { |
| 553 | s/^b[ \t]*//; |
| 554 | $lab = do make_label($_); |
| 555 | if ($lab eq $toplabel) { |
| 556 | $_ = 'redo line;'; |
| 557 | } else { |
| 558 | $_ = "goto $lab;"; |
| 559 | } |
| 560 | next; |
| 561 | } |
| 562 | |
| 563 | if (/^t$/) { |
| 564 | $_ = 'next line if $tflag;'; |
| 565 | $tseen++; |
| 566 | next; |
| 567 | } |
| 568 | |
| 569 | if (/^t/) { |
| 570 | s/^t[ \t]*//; |
| 571 | $lab = do make_label($_); |
| 572 | if ($lab eq $toplabel) { |
| 573 | $_ = 'if ($tflag) {$tflag = \'\'; redo line;}'; |
| 574 | } else { |
| 575 | $_ = "if (\$tflag) {\$tflag = ''; goto $lab;}"; |
| 576 | } |
| 577 | $tseen++; |
| 578 | next; |
| 579 | } |
| 580 | |
| 581 | if (/^=/) { |
| 582 | $_ = 'print "$.\n";'; |
| 583 | next; |
| 584 | } |
| 585 | |
| 586 | if (/^q/) { |
| 587 | $_ = |
| 588 | 'close(ARGV); |
| 589 | @ARGV = (); |
| 590 | next line;'; |
| 591 | next; |
| 592 | } |
| 593 | } continue { |
| 594 | if ($space) { |
| 595 | s/^/$space/; |
| 596 | s/(\n)(.)/$1$space$2/g; |
| 597 | } |
| 598 | last; |
| 599 | } |
| 600 | $_; |
| 601 | } |
| 602 | |
| a687059c |
603 | sub fetchpat { |
| 604 | local($outer) = @_; |
| 605 | local($addr) = $outer; |
| 606 | local($inbracket); |
| 607 | local($prefix,$delim,$ch); |
| 608 | |
| ae986130 |
609 | delim: while (s:^([^\]+(|)[\\/]*)([]+(|)[\\/])::) { |
| a687059c |
610 | $prefix = $1; |
| 611 | $delim = $2; |
| a687059c |
612 | if ($delim eq '\\') { |
| 613 | s/(.)//; |
| 614 | $ch = $1; |
| 615 | $delim = '' if $ch =~ /^[(){}\w]$/; |
| 9f68db38 |
616 | $ch = 'b' if $ch =~ /^[<>]$/; |
| 617 | $delim .= $ch; |
| a687059c |
618 | } |
| 619 | elsif ($delim eq '[') { |
| 620 | $inbracket = 1; |
| 621 | s/^\^// && ($delim .= '^'); |
| 622 | s/^]// && ($delim .= ']'); |
| a687059c |
623 | } |
| 624 | elsif ($delim eq ']') { |
| 625 | $inbracket = 0; |
| 626 | } |
| 627 | elsif ($inbracket || $delim ne $outer) { |
| a687059c |
628 | $delim = '\\' . $delim; |
| 629 | } |
| 630 | $addr .= $prefix; |
| 631 | $addr .= $delim; |
| 632 | if ($delim eq $outer && !$inbracket) { |
| 633 | last delim; |
| 634 | } |
| 635 | } |
| 636 | $addr; |
| 637 | } |
| 638 | |
| 639 | !NO!SUBS! |
| 640 | chmod 755 s2p |
| 641 | $eunicefix s2p |
projects / p5sagit/p5-mst-13.2.git / blame