#! /bin/sh # ylwrap - wrapper for lex/yacc invocations. scriptversion=2004-09-10.20 # Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004 # Free Software Foundation, Inc. # # Written by Tom Tromey . # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # This file is maintained in Automake, please report # bugs to or send patches to # . case "$1" in '') echo "$0: No files given. Try \`$0 --help' for more information." 1>&2 exit 1 ;; --basedir) basedir=$2 shift 2 ;; -h|--h*) cat <<\EOF Usage: ylwrap [--help|--version] INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]... Wrapper for lex/yacc invocations, renaming files as desired. INPUT is the input file OUTPUT is one file PROG generates DESIRED is the file we actually want instead of OUTPUT PROGRAM is program to run ARGS are passed to PROG Any number of OUTPUT,DESIRED pairs may be used. Report bugs to . EOF exit 0 ;; -v|--v*) echo "ylwrap $scriptversion" exit 0 ;; esac # The input. input="$1" shift case "$input" in [\\/]* | ?:[\\/]*) # Absolute path; do nothing. ;; *) # Relative path. Make it absolute. input="`pwd`/$input" ;; esac pairlist= while test "$#" -ne 0; do if test "$1" = "--"; then shift break fi pairlist="$pairlist $1" shift done # The program to run. prog="$1" shift # Make any relative path in $prog absolute. case "$prog" in [\\/]* | ?:[\\/]*) ;; *[\\/]*) prog="`pwd`/$prog" ;; esac # FIXME: add hostname here for parallel makes that run commands on # other machines. But that might take us over the 14-char limit. dirname=ylwrap$$ trap "cd `pwd`; rm -rf $dirname > /dev/null 2>&1" 1 2 3 15 mkdir $dirname || exit 1 cd $dirname case $# in 0) $prog "$input" ;; *) $prog "$@" "$input" ;; esac ret=$? if test $ret -eq 0; then set X $pairlist shift first=yes # Since DOS filename conventions don't allow two dots, # the DOS version of Bison writes out y_tab.c instead of y.tab.c # and y_tab.h instead of y.tab.h. Test to see if this is the case. y_tab_nodot="no" if test -f y_tab.c || test -f y_tab.h; then y_tab_nodot="yes" fi # The directory holding the input. input_dir=`echo "$input" | sed -e 's,\([\\/]\)[^\\/]*$,\1,'` # Quote $INPUT_DIR so we can use it in a regexp. # FIXME: really we should care about more than `.' and `\'. input_rx=`echo "$input_dir" | sed 's,\\\\,\\\\\\\\,g;s,\\.,\\\\.,g'` while test "$#" -ne 0; do from="$1" # Handle y_tab.c and y_tab.h output by DOS if test $y_tab_nodot = "yes"; then if test $from = "y.tab.c"; then from="y_tab.c" else if test $from = "y.tab.h"; then from="y_tab.h" fi fi fi if test -f "$from"; then # If $2 is an absolute path name, then just use that, # otherwise prepend `../'. case "$2" in [\\/]* | ?:[\\/]*) target="$2";; *) target="../$2";; esac # We do not want to overwrite a header file if it hasn't # changed. This avoid useless recompilations. However the # parser itself (the first file) should always be updated, # because it is the destination of the .y.c rule in the # Makefile. Divert the output of all other files to a temporary # file so we can compare them to existing versions. if test $first = no; then realtarget="$target" target="tmp-`echo $target | sed s/.*[\\/]//g`" fi # Edit out `#line' or `#' directives. # # We don't want the resulting debug information to point at # an absolute srcdir; it is better for it to just mention the # .y file with no path. # # We want to use the real output file name, not yy.lex.c for # instance. # # We want the include guards to be adjusted too. FROM=`echo "$from" | sed \ -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\ -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'` TARGET=`echo "$2" | sed \ -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'\ -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'` sed -e "/^#/!b" -e "s,$input_rx,," -e "s,$from,$2," \ -e "s,$FROM,$TARGET," "$from" >"$target" || ret=$? # Check whether header files must be updated. if test $first = no; then if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then echo "$2" is unchanged rm -f "$target" else echo updating "$2" mv -f "$target" "$realtarget" fi fi else # A missing file is only an error for the first file. This # is a blatant hack to let us support using "yacc -d". If -d # is not specified, we don't want an error when the header # file is "missing". if test $first = yes; then ret=1 fi fi shift shift first=no done else ret=$? fi # Remove the directory. cd .. rm -rf $dirname exit $ret # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-end: "$" # End: #n119'>119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528