| Commit | Line | Data |
|---|
| fe14fcc3 |
1 | extproc perl -Sx |
| 2 | #!perl |
| 3 | |
| 4 | $bin = 'c:/bin'; |
| 5 | |
| 79072805 |
6 | # $RCSfile: s2p.cmd,v $$Revision: 4.1 $$Date: 92/08/07 18:25:37 $ |
| fe14fcc3 |
7 | # |
| 8 | # $Log: s2p.cmd,v $ |
| 79072805 |
9 | # Revision 4.1 92/08/07 18:25:37 lwall |
| 10 | # |
| fe14fcc3 |
11 | # Revision 4.0 91/03/20 01:37:09 lwall |
| 12 | # 4.0 baseline. |
| 13 | # |
| 14 | # Revision 3.0.1.6 90/10/20 02:21:43 lwall |
| 15 | # patch37: changed some ". config.sh" to ". ./config.sh" |
| 16 | # |
| 17 | # Revision 3.0.1.5 90/10/16 11:32:40 lwall |
| 18 | # patch29: s2p modernized |
| 19 | # |
| 20 | # Revision 3.0.1.4 90/08/09 05:50:43 lwall |
| 21 | # patch19: s2p didn't translate \n right |
| 22 | # |
| 23 | # Revision 3.0.1.3 90/03/01 10:31:21 lwall |
| 24 | # patch9: s2p didn't handle \< and \> |
| 25 | # |
| 26 | # Revision 3.0.1.2 89/11/17 15:51:27 lwall |
| 27 | # patch5: in s2p, line labels without a subsequent statement were done wrong |
| 28 | # patch5: s2p left residue in /tmp |
| 29 | # |
| 30 | # Revision 3.0.1.1 89/11/11 05:08:25 lwall |
| 31 | # patch2: in s2p, + within patterns needed backslashing |
| 32 | # patch2: s2p was printing out some debugging info to the output file |
| 33 | # |
| 34 | # Revision 3.0 89/10/18 15:35:02 lwall |
| 35 | # 3.0 baseline |
| 36 | # |
| 37 | # Revision 2.0.1.1 88/07/11 23:26:23 root |
| 38 | # patch2: s2p didn't put a proper prologue on output script |
| 39 | # |
| 40 | # Revision 2.0 88/06/05 00:15:55 root |
| 41 | # Baseline version 2.0. |
| 42 | # |
| 43 | # |
| 44 | |
| 45 | $indent = 4; |
| 46 | $shiftwidth = 4; |
| 47 | $l = '{'; $r = '}'; |
| 48 | |
| 49 | while ($ARGV[0] =~ /^-/) { |
| 50 | $_ = shift; |
| 51 | last if /^--/; |
| 52 | if (/^-D/) { |
| 53 | $debug++; |
| 54 | open(BODY,'>-'); |
| 55 | next; |
| 56 | } |
| 57 | if (/^-n/) { |
| 58 | $assumen++; |
| 59 | next; |
| 60 | } |
| 61 | if (/^-p/) { |
| 62 | $assumep++; |
| 63 | next; |
| 64 | } |
| 65 | die "I don't recognize this switch: $_\n"; |
| 66 | } |
| 67 | |
| 68 | unless ($debug) { |
| 69 | open(BODY,">sperl$$") || |
| 70 | &Die("Can't open temp file: $!\n"); |
| 71 | } |
| 72 | |
| 73 | if (!$assumen && !$assumep) { |
| 74 | print BODY <<'EOT'; |
| 75 | while ($ARGV[0] =~ /^-/) { |
| 76 | $_ = shift; |
| 77 | last if /^--/; |
| 78 | if (/^-n/) { |
| 79 | $nflag++; |
| 80 | next; |
| 81 | } |
| 82 | die "I don't recognize this switch: $_\\n"; |
| 83 | } |
| 84 | |
| 85 | EOT |
| 86 | } |
| 87 | |
| 88 | print BODY <<'EOT'; |
| 89 | |
| 90 | #ifdef PRINTIT |
| 91 | #ifdef ASSUMEP |
| 92 | $printit++; |
| 93 | #else |
| 94 | $printit++ unless $nflag; |
| 95 | #endif |
| 96 | #endif |
| 97 | LINE: while (<>) { |
| 98 | EOT |
| 99 | |
| 100 | LINE: while (<>) { |
| 101 | |
| 102 | # Wipe out surrounding whitespace. |
| 103 | |
| 104 | s/[ \t]*(.*)\n$/$1/; |
| 105 | |
| 106 | # Perhaps it's a label/comment. |
| 107 | |
| 108 | if (/^:/) { |
| 109 | s/^:[ \t]*//; |
| 110 | $label = &make_label($_); |
| 111 | if ($. == 1) { |
| 112 | $toplabel = $label; |
| 113 | } |
| 114 | $_ = "$label:"; |
| 115 | if ($lastlinewaslabel++) { |
| 116 | $indent += 4; |
| 117 | print BODY &tab, ";\n"; |
| 118 | $indent -= 4; |
| 119 | } |
| 120 | if ($indent >= 2) { |
| 121 | $indent -= 2; |
| 122 | $indmod = 2; |
| 123 | } |
| 124 | next; |
| 125 | } else { |
| 126 | $lastlinewaslabel = ''; |
| 127 | } |
| 128 | |
| 129 | # Look for one or two address clauses |
| 130 | |
| 131 | $addr1 = ''; |
| 132 | $addr2 = ''; |
| 133 | if (s/^([0-9]+)//) { |
| 134 | $addr1 = "$1"; |
| 135 | } |
| 136 | elsif (s/^\$//) { |
| 137 | $addr1 = 'eof()'; |
| 138 | } |
| 139 | elsif (s|^/||) { |
| 140 | $addr1 = &fetchpat('/'); |
| 141 | } |
| 142 | if (s/^,//) { |
| 143 | if (s/^([0-9]+)//) { |
| 144 | $addr2 = "$1"; |
| 145 | } elsif (s/^\$//) { |
| 146 | $addr2 = "eof()"; |
| 147 | } elsif (s|^/||) { |
| 148 | $addr2 = &fetchpat('/'); |
| 149 | } else { |
| 150 | &Die("Invalid second address at line $.\n"); |
| 151 | } |
| 152 | $addr1 .= " .. $addr2"; |
| 153 | } |
| 154 | |
| 155 | # Now we check for metacommands {, }, and ! and worry |
| 156 | # about indentation. |
| 157 | |
| 158 | s/^[ \t]+//; |
| 159 | # a { to keep vi happy |
| 160 | if ($_ eq '}') { |
| 161 | $indent -= 4; |
| 162 | next; |
| 163 | } |
| 164 | if (s/^!//) { |
| 165 | $if = 'unless'; |
| 166 | $else = "$r else $l\n"; |
| 167 | } else { |
| 168 | $if = 'if'; |
| 169 | $else = ''; |
| 170 | } |
| 171 | if (s/^{//) { # a } to keep vi happy |
| 172 | $indmod = 4; |
| 173 | $redo = $_; |
| 174 | $_ = ''; |
| 175 | $rmaybe = ''; |
| 176 | } else { |
| 177 | $rmaybe = "\n$r"; |
| 178 | if ($addr2 || $addr1) { |
| 179 | $space = ' ' x $shiftwidth; |
| 180 | } else { |
| 181 | $space = ''; |
| 182 | } |
| 183 | $_ = &transmogrify(); |
| 184 | } |
| 185 | |
| 186 | # See if we can optimize to modifier form. |
| 187 | |
| 188 | if ($addr1) { |
| 189 | if ($_ !~ /[\n{}]/ && $rmaybe && !$change && |
| 190 | $_ !~ / if / && $_ !~ / unless /) { |
| 191 | s/;$/ $if $addr1;/; |
| 192 | $_ = substr($_,$shiftwidth,1000); |
| 193 | } else { |
| 194 | $_ = "$if ($addr1) $l\n$change$_$rmaybe"; |
| 195 | } |
| 196 | $change = ''; |
| 197 | next LINE; |
| 198 | } |
| 199 | } continue { |
| 200 | @lines = split(/\n/,$_); |
| 201 | for (@lines) { |
| 202 | unless (s/^ *<<--//) { |
| 203 | print BODY &tab; |
| 204 | } |
| 205 | print BODY $_, "\n"; |
| 206 | } |
| 207 | $indent += $indmod; |
| 208 | $indmod = 0; |
| 209 | if ($redo) { |
| 210 | $_ = $redo; |
| 211 | $redo = ''; |
| 212 | redo LINE; |
| 213 | } |
| 214 | } |
| 215 | if ($lastlinewaslabel++) { |
| 216 | $indent += 4; |
| 217 | print BODY &tab, ";\n"; |
| 218 | $indent -= 4; |
| 219 | } |
| 220 | |
| 221 | print BODY "}\n"; |
| 222 | if ($appendseen || $tseen || !$assumen) { |
| 223 | $printit++ if $dseen || (!$assumen && !$assumep); |
| 224 | print BODY <<'EOT'; |
| 225 | |
| 226 | continue { |
| 227 | #ifdef PRINTIT |
| 228 | #ifdef DSEEN |
| 229 | #ifdef ASSUMEP |
| 230 | print if $printit++; |
| 231 | #else |
| 232 | if ($printit) |
| 233 | { print; } |
| 234 | else |
| 235 | { $printit++ unless $nflag; } |
| 236 | #endif |
| 237 | #else |
| 238 | print if $printit; |
| 239 | #endif |
| 240 | #else |
| 241 | print; |
| 242 | #endif |
| 243 | #ifdef TSEEN |
| 244 | $tflag = ''; |
| 245 | #endif |
| 246 | #ifdef APPENDSEEN |
| 247 | if ($atext) { print $atext; $atext = ''; } |
| 248 | #endif |
| 249 | } |
| 250 | EOT |
| 251 | } |
| 252 | |
| 253 | close BODY; |
| 254 | |
| 255 | unless ($debug) { |
| 256 | open(HEAD,">sperl2$$.c") |
| 257 | || &Die("Can't open temp file 2: $!\n"); |
| 258 | print HEAD "#define PRINTIT\n" if ($printit); |
| 259 | print HEAD "#define APPENDSEEN\n" if ($appendseen); |
| 260 | print HEAD "#define TSEEN\n" if ($tseen); |
| 261 | print HEAD "#define DSEEN\n" if ($dseen); |
| 262 | print HEAD "#define ASSUMEN\n" if ($assumen); |
| 263 | print HEAD "#define ASSUMEP\n" if ($assumep); |
| 264 | if ($opens) {print HEAD "$opens\n";} |
| 265 | open(BODY,"sperl$$") |
| 266 | || &Die("Can't reopen temp file: $!\n"); |
| 267 | while (<BODY>) { |
| 268 | print HEAD $_; |
| 269 | } |
| 270 | close HEAD; |
| 271 | |
| 272 | print <<"EOT"; |
| 273 | #!$bin/perl |
| 274 | eval 'exec $bin/perl -S \$0 \$*' |
| 275 | if \$running_under_some_shell; |
| 276 | |
| 277 | EOT |
| 278 | open(BODY,"cc -E sperl2$$.c |") || |
| 279 | &Die("Can't reopen temp file: $!\n"); |
| 280 | while (<BODY>) { |
| 281 | /^# [0-9]/ && next; |
| 282 | /^[ \t]*$/ && next; |
| 283 | s/^<><>//; |
| 284 | print; |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | &Cleanup; |
| 289 | exit; |
| 290 | |
| 291 | sub Cleanup { |
| 292 | unlink "sperl$$", "sperl2$$", "sperl2$$.c"; |
| 293 | } |
| 294 | sub Die { |
| 295 | &Cleanup; |
| 296 | die $_[0]; |
| 297 | } |
| 298 | sub tab { |
| 299 | "\t" x ($indent / 8) . ' ' x ($indent % 8); |
| 300 | } |
| 301 | sub make_filehandle { |
| 302 | local($_) = $_[0]; |
| 303 | local($fname) = $_; |
| 304 | s/[^a-zA-Z]/_/g; |
| 305 | s/^_*//; |
| 306 | substr($_,0,1) =~ y/a-z/A-Z/ if /^[a-z]/; |
| 307 | if (!$seen{$_}) { |
| 308 | $opens .= <<"EOT"; |
| 309 | open($_,'>$fname') || die "Can't create $fname"; |
| 310 | EOT |
| 311 | } |
| 312 | $seen{$_} = $_; |
| 313 | } |
| 314 | |
| 315 | sub make_label { |
| 316 | local($label) = @_; |
| 317 | $label =~ s/[^a-zA-Z0-9]/_/g; |
| 318 | if ($label =~ /^[0-9_]/) { $label = 'L' . $label; } |
| 319 | $label = substr($label,0,8); |
| 320 | |
| 321 | # Could be a reserved word, so capitalize it. |
| 322 | substr($label,0,1) =~ y/a-z/A-Z/ |
| 323 | if $label =~ /^[a-z]/; |
| 324 | |
| 325 | $label; |
| 326 | } |
| 327 | |
| 328 | sub transmogrify { |
| 329 | { # case |
| 330 | if (/^d/) { |
| 331 | $dseen++; |
| 332 | chop($_ = <<'EOT'); |
| 333 | <<--#ifdef PRINTIT |
| 334 | $printit = ''; |
| 335 | <<--#endif |
| 336 | next LINE; |
| 337 | EOT |
| 338 | next; |
| 339 | } |
| 340 | |
| 341 | if (/^n/) { |
| 342 | chop($_ = <<'EOT'); |
| 343 | <<--#ifdef PRINTIT |
| 344 | <<--#ifdef DSEEN |
| 345 | <<--#ifdef ASSUMEP |
| 346 | print if $printit++; |
| 347 | <<--#else |
| 348 | if ($printit) |
| 349 | { print; } |
| 350 | else |
| 351 | { $printit++ unless $nflag; } |
| 352 | <<--#endif |
| 353 | <<--#else |
| 354 | print if $printit; |
| 355 | <<--#endif |
| 356 | <<--#else |
| 357 | print; |
| 358 | <<--#endif |
| 359 | <<--#ifdef APPENDSEEN |
| 360 | if ($atext) {print $atext; $atext = '';} |
| 361 | <<--#endif |
| 362 | $_ = <>; |
| 363 | <<--#ifdef TSEEN |
| 364 | $tflag = ''; |
| 365 | <<--#endif |
| 366 | EOT |
| 367 | next; |
| 368 | } |
| 369 | |
| 370 | if (/^a/) { |
| 371 | $appendseen++; |
| 372 | $command = $space . '$atext .=' . "\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 | last; |
| 386 | } |
| 387 | |
| 388 | if (/^[ic]/) { |
| 389 | if (/^c/) { $change = 1; } |
| 390 | $addr1 = '$iter = (' . $addr1 . ')'; |
| 391 | $command = $space . 'if ($iter == 1) { print' |
| 392 | . "\n<<--'"; |
| 393 | $lastline = 0; |
| 394 | while (<>) { |
| 395 | s/^[ \t]*//; |
| 396 | s/^[\\]//; |
| 397 | unless (s/\\$//) { $lastline = 1;} |
| 398 | s/'/\\'/g; |
| 399 | s/^([ \t]*\n)/<><>$1/; |
| 400 | $command .= $_; |
| 401 | $command .= '<<--'; |
| 402 | last if $lastline; |
| 403 | } |
| 404 | $_ = $command . "';}"; |
| 405 | if ($change) { |
| 406 | $dseen++; |
| 407 | $change = "$_\n"; |
| 408 | chop($_ = <<"EOT"); |
| 409 | <<--#ifdef PRINTIT |
| 410 | $space\$printit = ''; |
| 411 | <<--#endif |
| 412 | ${space}next LINE; |
| 413 | EOT |
| 414 | } |
| 415 | last; |
| 416 | } |
| 417 | |
| 418 | if (/^s/) { |
| 419 | $delim = substr($_,1,1); |
| 420 | $len = length($_); |
| 421 | $repl = $end = 0; |
| 422 | $inbracket = 0; |
| 423 | for ($i = 2; $i < $len; $i++) { |
| 424 | $c = substr($_,$i,1); |
| 425 | if ($c eq $delim) { |
| 426 | if ($inbracket) { |
| 427 | substr($_, $i, 0) = '\\'; |
| 428 | $i++; |
| 429 | $len++; |
| 430 | } |
| 431 | else { |
| 432 | if ($repl) { |
| 433 | $end = $i; |
| 434 | last; |
| 435 | } else { |
| 436 | $repl = $i; |
| 437 | } |
| 438 | } |
| 439 | } |
| 440 | elsif ($c eq '\\') { |
| 441 | $i++; |
| 442 | if ($i >= $len) { |
| 443 | $_ .= 'n'; |
| 444 | $_ .= <>; |
| 445 | $len = length($_); |
| 446 | $_ = substr($_,0,--$len); |
| 447 | } |
| 448 | elsif (substr($_,$i,1) =~ /^[n]$/) { |
| 449 | ; |
| 450 | } |
| 451 | elsif (!$repl && |
| 452 | substr($_,$i,1) =~ /^[(){}\w]$/) { |
| 453 | $i--; |
| 454 | $len--; |
| 455 | substr($_, $i, 1) = ''; |
| 456 | } |
| 457 | elsif (!$repl && |
| 458 | substr($_,$i,1) =~ /^[<>]$/) { |
| 459 | substr($_,$i,1) = 'b'; |
| 460 | } |
| 461 | } |
| 462 | elsif ($c eq '[' && !$repl) { |
| 463 | $i++ if substr($_,$i,1) eq '^'; |
| 464 | $i++ if substr($_,$i,1) eq ']'; |
| 465 | $inbracket = 1; |
| 466 | } |
| 467 | elsif ($c eq ']') { |
| 468 | $inbracket = 0; |
| 469 | } |
| 470 | elsif (!$repl && index("()+",$c) >= 0) { |
| 471 | substr($_, $i, 0) = '\\'; |
| 472 | $i++; |
| 473 | $len++; |
| 474 | } |
| 475 | } |
| 476 | &Die("Malformed substitution at line $.\n") |
| 477 | unless $end; |
| 478 | $pat = substr($_, 0, $repl + 1); |
| 479 | $repl = substr($_, $repl+1, $end-$repl-1); |
| 480 | $end = substr($_, $end + 1, 1000); |
| 481 | $dol = '$'; |
| 482 | $repl =~ s/\$/\\$/; |
| 483 | $repl =~ s'&'$&'g; |
| 484 | $repl =~ s/[\\]([0-9])/$dol$1/g; |
| 485 | $subst = "$pat$repl$delim"; |
| 486 | $cmd = ''; |
| 487 | while ($end) { |
| 488 | if ($end =~ s/^g//) { |
| 489 | $subst .= 'g'; |
| 490 | next; |
| 491 | } |
| 492 | if ($end =~ s/^p//) { |
| 493 | $cmd .= ' && (print)'; |
| 494 | next; |
| 495 | } |
| 496 | if ($end =~ s/^w[ \t]*//) { |
| 497 | $fh = &make_filehandle($end); |
| 498 | $cmd .= " && (print $fh \$_)"; |
| 499 | $end = ''; |
| 500 | next; |
| 501 | } |
| 502 | &Die("Unrecognized substitution command". |
| 503 | "($end) at line $.\n"); |
| 504 | } |
| 505 | chop ($_ = <<"EOT"); |
| 506 | <<--#ifdef TSEEN |
| 507 | $subst && \$tflag++$cmd; |
| 508 | <<--#else |
| 509 | $subst$cmd; |
| 510 | <<--#endif |
| 511 | EOT |
| 512 | next; |
| 513 | } |
| 514 | |
| 515 | if (/^p/) { |
| 516 | $_ = 'print;'; |
| 517 | next; |
| 518 | } |
| 519 | |
| 520 | if (/^w/) { |
| 521 | s/^w[ \t]*//; |
| 522 | $fh = &make_filehandle($_); |
| 523 | $_ = "print $fh \$_;"; |
| 524 | next; |
| 525 | } |
| 526 | |
| 527 | if (/^r/) { |
| 528 | $appendseen++; |
| 529 | s/^r[ \t]*//; |
| 530 | $file = $_; |
| 531 | $_ = "\$atext .= `cat $file 2>/dev/null`;"; |
| 532 | next; |
| 533 | } |
| 534 | |
| 535 | if (/^P/) { |
| 536 | $_ = 'print $1 if /(^.*\n)/;'; |
| 537 | next; |
| 538 | } |
| 539 | |
| 540 | if (/^D/) { |
| 541 | chop($_ = <<'EOT'); |
| 542 | s/^.*\n//; |
| 543 | redo LINE if $_; |
| 544 | next LINE; |
| 545 | EOT |
| 546 | next; |
| 547 | } |
| 548 | |
| 549 | if (/^N/) { |
| 550 | chop($_ = <<'EOT'); |
| 551 | $_ .= <>; |
| 552 | <<--#ifdef TSEEN |
| 553 | $tflag = ''; |
| 554 | <<--#endif |
| 555 | EOT |
| 556 | next; |
| 557 | } |
| 558 | |
| 559 | if (/^h/) { |
| 560 | $_ = '$hold = $_;'; |
| 561 | next; |
| 562 | } |
| 563 | |
| 564 | if (/^H/) { |
| 565 | $_ = '$hold .= $_ ? $_ : "\n";'; |
| 566 | next; |
| 567 | } |
| 568 | |
| 569 | if (/^g/) { |
| 570 | $_ = '$_ = $hold;'; |
| 571 | next; |
| 572 | } |
| 573 | |
| 574 | if (/^G/) { |
| 575 | $_ = '$_ .= $hold ? $hold : "\n";'; |
| 576 | next; |
| 577 | } |
| 578 | |
| 579 | if (/^x/) { |
| 580 | $_ = '($_, $hold) = ($hold, $_);'; |
| 581 | next; |
| 582 | } |
| 583 | |
| 584 | if (/^b$/) { |
| 585 | $_ = 'next LINE;'; |
| 586 | next; |
| 587 | } |
| 588 | |
| 589 | if (/^b/) { |
| 590 | s/^b[ \t]*//; |
| 591 | $lab = &make_label($_); |
| 592 | if ($lab eq $toplabel) { |
| 593 | $_ = 'redo LINE;'; |
| 594 | } else { |
| 595 | $_ = "goto $lab;"; |
| 596 | } |
| 597 | next; |
| 598 | } |
| 599 | |
| 600 | if (/^t$/) { |
| 601 | $_ = 'next LINE if $tflag;'; |
| 602 | $tseen++; |
| 603 | next; |
| 604 | } |
| 605 | |
| 606 | if (/^t/) { |
| 607 | s/^t[ \t]*//; |
| 608 | $lab = &make_label($_); |
| 609 | $_ = q/if ($tflag) {$tflag = ''; /; |
| 610 | if ($lab eq $toplabel) { |
| 611 | $_ .= 'redo LINE;}'; |
| 612 | } else { |
| 613 | $_ .= "goto $lab;}"; |
| 614 | } |
| 615 | $tseen++; |
| 616 | next; |
| 617 | } |
| 618 | |
| 619 | if (/^=/) { |
| 620 | $_ = 'print "$.\n";'; |
| 621 | next; |
| 622 | } |
| 623 | |
| 624 | if (/^q/) { |
| 625 | chop($_ = <<'EOT'); |
| 626 | close(ARGV); |
| 627 | @ARGV = (); |
| 628 | next LINE; |
| 629 | EOT |
| 630 | next; |
| 631 | } |
| 632 | } continue { |
| 633 | if ($space) { |
| 634 | s/^/$space/; |
| 635 | s/(\n)(.)/$1$space$2/g; |
| 636 | } |
| 637 | last; |
| 638 | } |
| 639 | $_; |
| 640 | } |
| 641 | |
| 642 | sub fetchpat { |
| 643 | local($outer) = @_; |
| 644 | local($addr) = $outer; |
| 645 | local($inbracket); |
| 646 | local($prefix,$delim,$ch); |
| 647 | |
| 648 | # Process pattern one potential delimiter at a time. |
| 649 | |
| 650 | DELIM: while (s#^([^\]+(|)[\\/]*)([]+(|)[\\/])##) { |
| 651 | $prefix = $1; |
| 652 | $delim = $2; |
| 653 | if ($delim eq '\\') { |
| 654 | s/(.)//; |
| 655 | $ch = $1; |
| 656 | $delim = '' if $ch =~ /^[(){}A-Za-mo-z]$/; |
| 657 | $ch = 'b' if $ch =~ /^[<>]$/; |
| 658 | $delim .= $ch; |
| 659 | } |
| 660 | elsif ($delim eq '[') { |
| 661 | $inbracket = 1; |
| 662 | s/^\^// && ($delim .= '^'); |
| 663 | s/^]// && ($delim .= ']'); |
| 664 | } |
| 665 | elsif ($delim eq ']') { |
| 666 | $inbracket = 0; |
| 667 | } |
| 668 | elsif ($inbracket || $delim ne $outer) { |
| 669 | $delim = '\\' . $delim; |
| 670 | } |
| 671 | $addr .= $prefix; |
| 672 | $addr .= $delim; |
| 673 | if ($delim eq $outer && !$inbracket) { |
| 674 | last DELIM; |
| 675 | } |
| 676 | } |
| 677 | $addr; |
| 678 | } |
projects / p5sagit/p5-mst-13.2.git / blame