projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| c6468b47 KM |
1 | static char sccsid[] = "@(#)indent.c 4.1 (Berkeley) %G%"; |
| 2 | ||
| 3 | /* | |
| 4 | ||
| 5 | Copyright (C) 1976 | |
| 6 | by the | |
| 7 | Board of Trustees | |
| 8 | of the | |
| 9 | University of Illinois | |
| 10 | ||
| 11 | All rights reserved | |
| 12 | ||
| 13 | ||
| 14 | NAME: | |
| 15 | indent main program | |
| 16 | ||
| 17 | FUNCTION: | |
| 18 | This is the main program of the indent program. Indent will take a C | |
| 19 | program source and reformat it into a semi-reasonable form. | |
| 20 | ||
| 21 | ALGORITHM: | |
| 22 | The routine lexi scans tokens and passes them back one at a time to the | |
| 23 | main routine. The subroutine parse takes care of much of the work of | |
| 24 | figuring indentation level. | |
| 25 | ||
| 26 | 1) Call lexi | |
| 27 | 2) Enter a monster switch statement on the code returned by lexi. If | |
| 28 | the indentation level for the line yet to be printed should be | |
| 29 | changed, set the variable ind_level. If the indentation level for | |
| 30 | the following line should be changed, set the variable i_l_follow. | |
| 31 | ||
| 32 | PARAMETERS: | |
| 33 | None | |
| 34 | ||
| 35 | RETURNS: | |
| 36 | Nothing | |
| 37 | ||
| 38 | GLOBALS: | |
| 39 | be_save = | |
| 40 | break_comma | |
| 41 | bp_save = | |
| 42 | btype_2 = | |
| 43 | code_lines | |
| 44 | com_ind = | |
| 45 | com_lines | |
| 46 | dec_nest = | |
| 47 | decl_com_ind = | |
| 48 | decl_on_line = | |
| 49 | i_l_follow = | |
| 50 | in_decl = | |
| 51 | ind_level = | |
| 52 | ind_size = | |
| 53 | ind_stmt = | |
| 54 | last_u_d = | |
| 55 | leave_comma = | |
| 56 | line_no = | |
| 57 | ljust_decl = | |
| 58 | max_col = | |
| 59 | out_coms | |
| 60 | out_lines | |
| 61 | p_l_follow = | |
| 62 | paren_level = | |
| 63 | pcase = | |
| 64 | sc_end = | |
| 65 | unindent_displace = | |
| 66 | use_ff = | |
| 67 | verbose = | |
| 68 | ||
| 69 | CALLS: | |
| 70 | atoi (lib) | |
| 71 | cmp | |
| 72 | creat (lib) | |
| 73 | dump_line | |
| 74 | eqin | |
| 75 | fill_buffer | |
| 76 | lexi | |
| 77 | open (lib) | |
| 78 | parse | |
| 79 | pr_comment | |
| 80 | printf (lib) | |
| 81 | seek (lib) | |
| 82 | time (lib) | |
| 83 | ||
| 84 | CALLED BY: | |
| 85 | No one (main routine) | |
| 86 | ||
| 87 | HISTORY: | |
| 88 | November 1976 D A Willcox of CAC Initial coding | |
| 89 | 12/9/76 D A Willcox of CAC Fixed defaults for decl_com_ind | |
| 90 | to be 8 less than com_ind if | |
| 91 | left justifying declarations | |
| 92 | 12/9/76 D A Willcox of CAC Fixed processing of nested | |
| 93 | <c>?<s>:<s> constructs | |
| 94 | 1/7/77 D A Willcox of CAC Added check for overwrite of | |
| 95 | input file | |
| 96 | Added code to handle -br and -bl | |
| 97 | parameters | |
| 98 | \f*/ | |
| 99 | #include "indent_globs.h"; | |
| 100 | #include "indent_codes.h"; | |
| 101 | ||
| 102 | /* #define dolog 1 /* if this define is removed, then the code to | |
| 103 | produce a log file will be removed */ | |
| 104 | ||
| 105 | struct templ { /* this is a template for the list of | |
| 106 | command line args */ | |
| 107 | char *str; /* pointer to string which is a valid | |
| 108 | command line arg */ | |
| 109 | int code; /* code to be used in switch for processing | |
| 110 | this arg */ | |
| 111 | }; | |
| 112 | ||
| 113 | ||
| 114 | struct templ options[] = | |
| 115 | { /* warning - because of the way that this | |
| 116 | table is scanned, if one entry is an | |
| 117 | initial substring of another, then the | |
| 118 | longer entry should occur first */ | |
| 119 | "-cd", 4, | |
| 120 | "-c", 2, | |
| 121 | "-l", 1, | |
| 122 | "-i", 3, | |
| 123 | "-v", 5, | |
| 124 | "-nv", 6, | |
| 125 | "-dj", 7, | |
| 126 | "-d", 13, /* unindented comment placement */ | |
| 127 | "-ndj", 8, | |
| 128 | "-bc", 10, /* break after command in decl */ | |
| 129 | "-nbc", 9, /* don't break after comma */ | |
| 130 | "-br", 14, /* put brace on right of stmt */ | |
| 131 | "-bl", 15, /* put brace on left by itself */ | |
| 132 | "-st", 16, /* use the standard input and output | |
| 133 | files */ | |
| 134 | 0, 0 | |
| 135 | }; | |
| 136 | ||
| 137 | ||
| 138 | char *in_name = "Standard Input"; | |
| 139 | /* will always point to name of input file | |
| 140 | */ | |
| 141 | char *out_name = "Standard Output"; | |
| 142 | /* will always point to name of output file | |
| 143 | */ | |
| 144 | char bakfile[32] = ""; | |
| 145 | \f | |
| 146 | main (argc, argv) | |
| 147 | int argc; | |
| 148 | char **argv; | |
| 149 | { | |
| 150 | ||
| 151 | int dec_ind; /* current indentation for declarations */ | |
| 152 | int di_stack[20]; /* a stack of structure indentation levels | |
| 153 | */ | |
| 154 | int flushed_nl; /* used when buffering up comments to | |
| 155 | remember that a newline was passed over | |
| 156 | */ | |
| 157 | int force_nl; /* when true, code must be broken */ | |
| 158 | int hd_type; /* used to store type of stmt for if (...), | |
| 159 | for (...), etc */ | |
| 160 | register int i; /* local loop counter */ | |
| 161 | int in_or_st; /* Will be true iff there has been a | |
| 162 | declarator (e.g. int or char) and no | |
| 163 | left paren since the last semicolon. | |
| 164 | When true, a { is starting a structure | |
| 165 | definition or an initialization list */ | |
| 166 | register int j; /* local loop counter */ | |
| 167 | int scase; /* set to true when we see a case, so we | |
| 168 | will know what to do with the following | |
| 169 | colon */ | |
| 170 | int sp_sw; /* when true, we are in the expressin of | |
| 171 | if(...), while(...), etc. */ | |
| 172 | int squest; /* when this is positive, we have seen a ? | |
| 173 | without the matching : in a <c>?<s>:<s> | |
| 174 | construct */ | |
| 175 | register char *t_ptr; /* used for copying tokens */ | |
| 176 | int type_code; /* the type of token, returned by lexi */ | |
| 177 | int want_blank; /* set to true when the following token | |
| 178 | should be prefixed by a blank. (Said | |
| 179 | prefixing is ignored in some cases.) */ | |
| 180 | ||
| 181 | #ifdef dolog /* include declarations needed for log */ | |
| 182 | int log_fid; /* fid of log file */ | |
| 183 | ||
| 184 | struct logtmpl { /* structure of a log entry */ | |
| 185 | int tvec[2]; /* time of execution */ | |
| 186 | char inp; /* input fid */ | |
| 187 | char outp; /* output fid */ | |
| 188 | int nout; /* # output lines */ | |
| 189 | int ncom; /* # comments */ | |
| 190 | int wcom; /* # lines w/ comments */ | |
| 191 | int wcode; /* # lines w/code */ | |
| 192 | char mc; /* max line size */ | |
| 193 | char ci; /* comment indentation */ | |
| 194 | char inds; /* indent size */ | |
| 195 | char dci; /* decl comment indentation */ | |
| 196 | char verb; /* verbose */ | |
| 197 | char ljus; /* left just */ | |
| 198 | char lvcom; /* leave commas */ | |
| 199 | char unin; /* unindented comment indentation */ | |
| 200 | char uid; /* the user id */ | |
| 201 | char bropt; /* btype_2 */ | |
| 202 | int reserved[2]; | |
| 203 | }; | |
| 204 | ||
| 205 | struct logtmpl logent; | |
| 206 | #endif | |
| 207 | \f | |
| 208 | /*-----------------------------------------------*\ | |
| 209 | | INITIALIZATION | |
| 210 | \*-----------------------------------------------*/ | |
| 211 | ||
| 212 | ||
| 213 | combuf[0] = codebuf[0] = labbuf[0] = ' '; | |
| 214 | /* set up code, label, and comment buffers */ | |
| 215 | combuf[1] = codebuf[1] = labbuf[1] = '\0'; | |
| 216 | s_lab = e_lab = labbuf + 1; | |
| 217 | s_code = e_code = codebuf + 1; | |
| 218 | s_com = e_com = combuf + 1; | |
| 219 | ||
| 220 | buf_ptr = buf_end = in_buffer; | |
| 221 | line_no = 1; | |
| 222 | had_eof = in_decl = decl_on_line = break_comma = false; | |
| 223 | sp_sw = force_nl = false; | |
| 224 | in_or_st = false; | |
| 225 | bl_line = true; | |
| 226 | dec_ind = 0; | |
| 227 | di_stack[dec_nest = 0] = 0; | |
| 228 | want_blank = in_stmt = ind_stmt = false; | |
| 229 | ||
| 230 | ||
| 231 | scase = pcase = false; | |
| 232 | squest = 0; | |
| 233 | sc_end = 0; | |
| 234 | bp_save = 0; | |
| 235 | be_save = 0; | |
| 236 | ||
| 237 | input = -1; | |
| 238 | output = -1; | |
| 239 | ljust_decl = d_ljust; | |
| 240 | ||
| 241 | ||
| 242 | ||
| 243 | /*--------------------------------------------------*\ | |
| 244 | | COMMAND LINE SCAN | |
| 245 | \*--------------------------------------------------*/ | |
| 246 | ||
| 247 | max_col = d_max_col; /* set up some default values */ | |
| 248 | com_ind = d_com_ind; | |
| 249 | ind_size = d_ind_size; | |
| 250 | verbose = d_verbose; | |
| 251 | decl_com_ind = 0; /* if this is not set to some positive | |
| 252 | value by an arg, we will set this equal | |
| 253 | to com_ind */ | |
| 254 | btype_2 = d_btype_2; | |
| 255 | unindent_displace = d_unindent; | |
| 256 | leave_comma = d_leave_comma; | |
| 257 | ||
| 258 | set_profile (); | |
| 259 | ||
| 260 | for (i = 1; i < argc; ++i) { | |
| 261 | /* look thru args (if any) for changes to defaults */ | |
| 262 | if (argv[i][0] != '-') {/* no flag on parameter */ | |
| 263 | if (input < 0) { /* we must have the input file */ | |
| 264 | in_name = argv[i]; /* remember name of input | |
| 265 | file */ | |
| 266 | input = open (in_name, 0); | |
| 267 | if (input < 0) { /* check for open error */ | |
| 268 | printf ("Can't open %s\n", argv[i]); | |
| 269 | exit (); | |
| 270 | } | |
| 271 | continue; | |
| 272 | } | |
| 273 | else | |
| 274 | if (output < 0) { /* we have the output file */ | |
| 275 | out_name = argv[i]; /* remember name of output file */ | |
| 276 | if (cmp (in_name, out_name) == 0) { /* attempt to | |
| 277 | overwright the file */ | |
| 278 | printf ("Input and output files must be different\n"); | |
| 279 | exit (); | |
| 280 | } | |
| 281 | output = creat (out_name, 0644); | |
| 282 | if (output < 0) { /* check for create error */ | |
| 283 | printf ("Can't create %s\n", argv[i]); | |
| 284 | exit (); | |
| 285 | } | |
| 286 | continue; | |
| 287 | } | |
| 288 | ||
| 289 | printf ("Unknown parameter: %s\n", argv[i]); | |
| 290 | exit (); | |
| 291 | } | |
| 292 | else | |
| 293 | set_option (argv[i]); | |
| 294 | ||
| 295 | } /* end of for */ | |
| 296 | ||
| 297 | if (input < 0) { | |
| 298 | printf ("Usage: indent file [ outfile ] [ options ]\n"); | |
| 299 | exit (); | |
| 300 | } | |
| 301 | if (output < 0) { | |
| 302 | out_name = in_name; | |
| 303 | bakcopy (); | |
| 304 | } | |
| 305 | ||
| 306 | if (com_ind <= 1) | |
| 307 | com_ind = 2; /* don't put normal comments before column | |
| 308 | 2 */ | |
| 309 | ||
| 310 | if (decl_com_ind <= 0) /* if not specified by user, set this */ | |
| 311 | decl_com_ind = ljust_decl ? (com_ind <= 10 ? 2 : com_ind - 8) : com_ind; | |
| 312 | ||
| 313 | fill_buffer (); /* get first batch of stuff into input | |
| 314 | buffer */ | |
| 315 | ||
| 316 | parse (semicolon); | |
| 317 | \f/*----------------------------------------------------- | |
| 318 | | START OF MAIN LOOP | |
| 319 | \*----------------------------------------------------*/ | |
| 320 | ||
| 321 | while (1) { /* this is the main loop. it will go until | |
| 322 | we reach eof */ | |
| 323 | type_code = lexi (); /* lexi reads one token. The actual | |
| 324 | characters read are stored in "token". | |
| 325 | lexi returns a code indicating the type | |
| 326 | of token */ | |
| 327 | ||
| 328 | /* | |
| 329 | * The following code moves everything following an if (), while (), | |
| 330 | * else, etc. up to the start of the following stmt to a buffer. This | |
| 331 | * allows proper handling of both kinds of brace placement. | |
| 332 | */ | |
| 333 | ||
| 334 | flushed_nl = false; | |
| 335 | while (search_brace) { /* if we scanned an if(), while(), etc., we | |
| 336 | might need to copy stuff into a buffer | |
| 337 | *//* we must loop, copying stuff into save_com, until we find the | |
| 338 | start of the stmt which follows the if, or whatever */ | |
| 339 | switch (type_code) { | |
| 340 | case newline: | |
| 341 | ++line_no; | |
| 342 | flushed_nl = true; | |
| 343 | case form_feed: | |
| 344 | break; /* form feeds and newlines found here will | |
| 345 | be ignored */ | |
| 346 | ||
| 347 | case lbrace: /* this is a brace that starts the compound | |
| 348 | stmt */ | |
| 349 | if (sc_end == 0) { | |
| 350 | /* ignore buffering if a comment wasn't stored up */ | |
| 351 | search_brace = false; | |
| 352 | goto check_type; | |
| 353 | } | |
| 354 | ||
| 355 | if (btype_2) { | |
| 356 | save_com[0] = '{'; | |
| 357 | /* we either want to put the brace right after the if | |
| 358 | */ | |
| 359 | goto sw_buffer; | |
| 360 | /* go to common code to get out of this loop */ | |
| 361 | } | |
| 362 | ||
| 363 | default: /* it is the start of a normal statment */ | |
| 364 | if (flushed_nl) | |
| 365 | /* if we flushed a newline, make sure it is | |
| 366 | put back */ | |
| 367 | force_nl = true; | |
| 368 | ||
| 369 | if (sc_end == 0) { | |
| 370 | /* ignore buffering if comment wasn't saved up */ | |
| 371 | search_brace = false; | |
| 372 | goto check_type; | |
| 373 | } | |
| 374 | ||
| 375 | if (force_nl) { | |
| 376 | /* if we should insert a nl here, put it into the | |
| 377 | buffer */ | |
| 378 | force_nl = false; | |
| 379 | --line_no; | |
| 380 | /* this will be re-increased when the nl is read from | |
| 381 | the buffer */ | |
| 382 | *sc_end++ = '\n'; | |
| 383 | *sc_end++ = ' '; | |
| 384 | if (verbose && !flushed_nl) | |
| 385 | /* print error msg if the line was not | |
| 386 | already broken */ | |
| 387 | printf ("%d: Line broken\n", line_no); | |
| 388 | flushed_nl = false; | |
| 389 | } | |
| 390 | ||
| 391 | for (t_ptr = token; *t_ptr; ++t_ptr) | |
| 392 | *sc_end++ = *t_ptr; | |
| 393 | /* copy token into temp buffer */ | |
| 394 | ||
| 395 | sw_buffer: | |
| 396 | search_brace = false; | |
| 397 | /* stop looking for start of stmt */ | |
| 398 | bp_save = buf_ptr; | |
| 399 | /* save current input buffer */ | |
| 400 | be_save = buf_end; | |
| 401 | buf_ptr = save_com; | |
| 402 | /* fix so that subsequent calls to lexi will take tokens | |
| 403 | out of save_com */ | |
| 404 | *sc_end++ = ' '; | |
| 405 | /* add trailing blank, just in case */ | |
| 406 | buf_end = sc_end; | |
| 407 | sc_end = 0; | |
| 408 | break; | |
| 409 | ||
| 410 | case comment: /* we have a comment, so we must copy it | |
| 411 | into the buffer */ | |
| 412 | if (sc_end == 0) { | |
| 413 | /* if this is the first comment, we must set up the | |
| 414 | buffer */ | |
| 415 | save_com[0] = save_com[1] = ' '; | |
| 416 | sc_end = &(save_com[2]); | |
| 417 | } | |
| 418 | else { | |
| 419 | *sc_end++ = '\n'; | |
| 420 | /* add newline between comments */ | |
| 421 | *sc_end++ = ' '; | |
| 422 | --line_no; | |
| 423 | } | |
| 424 | ||
| 425 | *sc_end++ = '/'; | |
| 426 | /* copy in start of comment */ | |
| 427 | *sc_end++ = '*'; | |
| 428 | ||
| 429 | for (;;) { /* loop until we get to the end of the | |
| 430 | comment */ | |
| 431 | *sc_end = *buf_ptr++; | |
| 432 | if (buf_ptr >= buf_end) | |
| 433 | fill_buffer (); | |
| 434 | ||
| 435 | if (*sc_end++ == '*' && *buf_ptr == '/') | |
| 436 | break; | |
| 437 | /* we are at end of comment */ | |
| 438 | ||
| 439 | if (sc_end >= &(save_com[sc_size])) { | |
| 440 | /* check for temp buffer overflow */ | |
| 441 | printf ("%d: Internal buffer overflow.\n", | |
| 442 | line_no); | |
| 443 | printf ("Move big comment from right after if,\ | |
| 444 | while, or whatever.\n"); | |
| 445 | exit (); | |
| 446 | } | |
| 447 | } | |
| 448 | ||
| 449 | *sc_end++ = '/'; | |
| 450 | /* add ending slash */ | |
| 451 | if (++buf_ptr >= buf_end)/* get past / in buffer */ | |
| 452 | fill_buffer (); | |
| 453 | break; | |
| 454 | } /* end of switch */ | |
| 455 | ||
| 456 | if (type_code != 0)/* we must make this check, just in case | |
| 457 | there was an unexpected EOF */ | |
| 458 | type_code = lexi (); | |
| 459 | /* read another token */ | |
| 460 | } /* end of while (serach_brace) */ | |
| 461 | check_type: | |
| 462 | \f | |
| 463 | if (type_code == 0) { /* we got eof */ | |
| 464 | if (s_lab != e_lab || s_code != e_code | |
| 465 | || s_com != e_com)/* must dump end of line */ | |
| 466 | dump_line (); | |
| 467 | if (i_l_follow != 0)/* check for balanced braces */ | |
| 468 | printf ("%d too few }'s\n", i_l_follow); | |
| 469 | ||
| 470 | #ifdef dolog /* only include this stuff if we want to | |
| 471 | keep a log */ | |
| 472 | log_fid = open ("/mnt/net/willcox/indent/indent_log", 1); | |
| 473 | /* open the log file */ | |
| 474 | if (log_fid >= 0) { | |
| 475 | seek (log_fid, 0, 2); | |
| 476 | /* point to end of log */ | |
| 477 | time (logent.tvec); | |
| 478 | /* get current time */ | |
| 479 | logent.inp = input; | |
| 480 | /* set up the log entry */ | |
| 481 | logent.outp = output; | |
| 482 | logent.nout = out_lines; | |
| 483 | logent.ncom = out_coms; | |
| 484 | logent.wcom = com_lines; | |
| 485 | logent.wcode = code_lines; | |
| 486 | logent.mc = max_col; | |
| 487 | logent.ci = com_ind; | |
| 488 | logent.inds = ind_size; | |
| 489 | logent.dci = decl_com_ind; | |
| 490 | logent.verb = verbose; | |
| 491 | logent.ljus = ljust_decl; | |
| 492 | logent.lvcom = leave_comma; | |
| 493 | logent.unin = unindent_displace; | |
| 494 | logent.uid = getuid (); | |
| 495 | logent.bropt = btype_2; | |
| 496 | write (log_fid, &logent, sizeof logent); | |
| 497 | } | |
| 498 | #endif | |
| 499 | if (verbose) { | |
| 500 | printf ("There were %d output lines and %d comments\n", | |
| 501 | out_lines, out_coms); | |
| 502 | printf ("(Lines with comments)/(Lines with code): %6.3f\n", | |
| 503 | (1.0 * com_lines) / code_lines); | |
| 504 | } | |
| 505 | ||
| 506 | exit (); | |
| 507 | } | |
| 508 | ||
| 509 | if ( | |
| 510 | (type_code != comment) && | |
| 511 | (type_code != newline) && | |
| 512 | (type_code != preesc) && | |
| 513 | (type_code != form_feed)) { | |
| 514 | if ( | |
| 515 | force_nl | |
| 516 | && | |
| 517 | (type_code != semicolon) && | |
| 518 | ( | |
| 519 | type_code != lbrace | |
| 520 | || | |
| 521 | !btype_2 | |
| 522 | )) { /* we should force a broken line here */ | |
| 523 | if (verbose && !flushed_nl) | |
| 524 | printf ("%d: Line broken\n", line_no); | |
| 525 | flushed_nl = false; | |
| 526 | dump_line (); | |
| 527 | want_blank = false; | |
| 528 | /* don't insert blank at line start */ | |
| 529 | force_nl = false; | |
| 530 | } | |
| 531 | ||
| 532 | in_stmt = true; /* turn on flag which causes an extra level | |
| 533 | of indentation. this is turned off by a | |
| 534 | ; or } */ | |
| 535 | if (s_com != e_com) { | |
| 536 | /* the turkey has embedded a comment in a line. fix it */ | |
| 537 | *e_code++ = ' '; | |
| 538 | for (t_ptr = s_com; *t_ptr; ++t_ptr) | |
| 539 | *e_code++ = *t_ptr; | |
| 540 | *e_code++ = ' '; | |
| 541 | *e_code = '\0';/* null terminate code sect */ | |
| 542 | want_blank = false; | |
| 543 | e_com = s_com; | |
| 544 | } | |
| 545 | } | |
| 546 | else | |
| 547 | if (type_code != comment) | |
| 548 | /* preserve force_nl thru a comment */ | |
| 549 | force_nl = false; | |
| 550 | /* cancel forced newline after newline, form feed, etc */ | |
| 551 | ||
| 552 | ||
| 553 | ||
| 554 | /*----------------------------------------------------*\ | |
| 555 | | do switch on type of token scanned | |
| 556 | \*----------------------------------------------------*/ | |
| 557 | switch (type_code) { /* now, decide what to do with the token */ | |
| 558 | ||
| 559 | case form_feed: /* found a form feed in line */ | |
| 560 | use_ff = true; /* a form feed is treated much like a | |
| 561 | newline */ | |
| 562 | dump_line (); | |
| 563 | want_blank = false; | |
| 564 | break; | |
| 565 | ||
| 566 | case newline: | |
| 567 | dump_line (); | |
| 568 | ++line_no; /* keep track of input line number */ | |
| 569 | want_blank = false; | |
| 570 | break; | |
| 571 | ||
| 572 | case lparen: /* got a ( or [ */ | |
| 573 | ++p_l_follow; /* count parens to make Healy happy */ | |
| 574 | if (want_blank && *token != '[') | |
| 575 | /* don't put space in front of square | |
| 576 | bracket */ | |
| 577 | *e_code++ = ' '; | |
| 578 | ||
| 579 | if (in_decl) | |
| 580 | while ((e_code - s_code) < dec_ind) | |
| 581 | *e_code++ = ' '; | |
| 582 | ||
| 583 | *e_code++ = token[0]; | |
| 584 | want_blank = false; | |
| 585 | if (in_or_st && *token == '(') { | |
| 586 | /* this is a kluge to make sure that declarations will be | |
| 587 | aaigned right if proc decl has an explicit type on it, | |
| 588 | i.e. "int a(x) {..." */ | |
| 589 | parse (semicolon); | |
| 590 | /* I said this was a kluge... */ | |
| 591 | in_or_st = false; | |
| 592 | /* turn off flag for structure decl or initialization */ | |
| 593 | } | |
| 594 | ||
| 595 | break; | |
| 596 | ||
| 597 | case rparen: /* got a ) or ] */ | |
| 598 | if (--p_l_follow < 0) { | |
| 599 | p_l_follow = 0; | |
| 600 | printf ("%d: Extra %c\n", line_no, *token); | |
| 601 | } | |
| 602 | ||
| 603 | if (e_code == s_code)/* if the paren starts the line */ | |
| 604 | paren_level = p_l_follow; | |
| 605 | /* then indent it */ | |
| 606 | ||
| 607 | *e_code++ = token[0]; | |
| 608 | want_blank = true; | |
| 609 | ||
| 610 | if (sp_sw && (p_l_follow == 0)) { | |
| 611 | /* check for end of if (...), or some such */ | |
| 612 | sp_sw = false; | |
| 613 | force_nl = true; | |
| 614 | /* must force newline after if */ | |
| 615 | last_u_d = true; | |
| 616 | /* inform lexi that a following operator is unary */ | |
| 617 | in_stmt = false; | |
| 618 | /* don't use stmt continuation indentation */ | |
| 619 | ||
| 620 | parse (hd_type); | |
| 621 | /* let parser worry about if, or whatever */ | |
| 622 | } | |
| 623 | ||
| 624 | search_brace = btype_2; | |
| 625 | /* this should insure that constructs such as main(){... and | |
| 626 | int[]{... have their braces put in the right place */ | |
| 627 | break; | |
| 628 | ||
| 629 | case unary_op: /* this could be any unary operation */ | |
| 630 | if (want_blank) | |
| 631 | *e_code++ = ' '; | |
| 632 | ||
| 633 | if (in_decl) { /* if this is a unary op in a *//* | |
| 634 | declaration, we should indent this token | |
| 635 | */ | |
| 636 | for (i = 0; token[i]; ++i); | |
| 637 | /* find length of token */ | |
| 638 | while ((e_code - s_code) < (dec_ind - i)) | |
| 639 | *e_code++ = ' '; | |
| 640 | /* pad it */ | |
| 641 | } | |
| 642 | ||
| 643 | for (t_ptr = token; *t_ptr; ++t_ptr) | |
| 644 | *e_code++ = *t_ptr; | |
| 645 | /* move the token to buffer */ | |
| 646 | want_blank = false; | |
| 647 | break; | |
| 648 | ||
| 649 | case binary_op: /* any binary operation */ | |
| 650 | do_binary: | |
| 651 | if (want_blank) | |
| 652 | *e_code++ = ' '; | |
| 653 | for (t_ptr = token; *t_ptr; ++t_ptr) | |
| 654 | *e_code++ = *t_ptr; | |
| 655 | /* move the operator */ | |
| 656 | want_blank = true; | |
| 657 | break; | |
| 658 | ||
| 659 | case postop: /* got a trailing ++ or -- */ | |
| 660 | *e_code++ = token[0]; | |
| 661 | *e_code++ = token[1]; | |
| 662 | want_blank = true; | |
| 663 | break; | |
| 664 | ||
| 665 | case question: /* got a ? */ | |
| 666 | squest++; /* this will be used when a later colon | |
| 667 | appears so we can distinguish the | |
| 668 | <c>?<n>:<n> construct */ | |
| 669 | if (want_blank) | |
| 670 | *e_code++ = ' '; | |
| 671 | *e_code++ = '?'; | |
| 672 | want_blank = true; | |
| 673 | break; | |
| 674 | ||
| 675 | case casestmt: /* got word 'case' or 'default' */ | |
| 676 | scase = true; /* so we can process the later colon | |
| 677 | properly */ | |
| 678 | if (want_blank) | |
| 679 | *e_code++ = ' '; | |
| 680 | for (t_ptr = token; *t_ptr; ++t_ptr) | |
| 681 | *e_code++ = *t_ptr; | |
| 682 | want_blank = true; | |
| 683 | break; | |
| 684 | ||
| 685 | case colon: /* got a ':' */ | |
| 686 | if (squest > 0) { | |
| 687 | /* it is part of the <c>?<n>: <n> construct */ | |
| 688 | --squest; | |
| 689 | if (want_blank) | |
| 690 | *e_code++ = ' '; | |
| 691 | *e_code++ = ':'; | |
| 692 | want_blank = true; | |
| 693 | break; | |
| 694 | } | |
| 695 | ||
| 696 | in_stmt = false; | |
| 697 | /* seeing a label does not imply we are in a stmt */ | |
| 698 | for (t_ptr = s_code; *t_ptr; ++t_ptr) | |
| 699 | *e_lab++ = *t_ptr; | |
| 700 | /* turn everything so far into a label */ | |
| 701 | e_code = s_code; | |
| 702 | *e_lab++ = ':'; | |
| 703 | *e_lab++ = ' '; | |
| 704 | *e_lab = '\0'; | |
| 705 | ||
| 706 | force_nl = pcase = scase; | |
| 707 | /* pcase will be used by dump_line to decide how to indent the | |
| 708 | label. force_nl will force a case n: to be on a line by | |
| 709 | itself */ | |
| 710 | scase = false; | |
| 711 | want_blank = false; | |
| 712 | break; | |
| 713 | ||
| 714 | case semicolon: /* got a ';' */ | |
| 715 | in_or_st = false; | |
| 716 | /* we are not in an initialization or structure declaration */ | |
| 717 | scase = false; /* these will only need resetting in a | |
| 718 | error */ | |
| 719 | squest = 0; | |
| 720 | ||
| 721 | if (in_decl && s_code == e_code) | |
| 722 | /* align this in a declaration */ | |
| 723 | while ((e_code - s_code) < (dec_ind - 1)) | |
| 724 | *e_code++ = ' '; | |
| 725 | ||
| 726 | in_decl = (dec_nest > 0); | |
| 727 | /* if we were in a first level structure declaration, we | |
| 728 | aren't any more */ | |
| 729 | ||
| 730 | if ((!sp_sw || hd_type != forstmt) && p_l_follow > 0) { | |
| 731 | /* This should be true iff there were unbalanced parens in | |
| 732 | the stmt. It is a bit complicated, because the | |
| 733 | semicolon might be in a for stmt */ | |
| 734 | printf ("%d: Unbalanced parens\n", line_no); | |
| 735 | p_l_follow = 0; | |
| 736 | if (sp_sw) { | |
| 737 | /* this is a check for a if, while, etc. with | |
| 738 | unbalanced parens */ | |
| 739 | sp_sw = false; | |
| 740 | parse (hd_type); | |
| 741 | /* don't lose the if, or whatever */ | |
| 742 | } | |
| 743 | } | |
| 744 | ||
| 745 | *e_code++ = ';'; | |
| 746 | want_blank = true; | |
| 747 | in_stmt = (p_l_follow > 0); | |
| 748 | /* we are no longer in the middle of a stmt */ | |
| 749 | ||
| 750 | if (!sp_sw) { /* if not if for (;;) */ | |
| 751 | parse (semicolon); | |
| 752 | /* let parser know about end of stmt */ | |
| 753 | force_nl = true; | |
| 754 | /* force newline after a end of stmt */ | |
| 755 | } | |
| 756 | ||
| 757 | break; | |
| 758 | ||
| 759 | case lbrace: /* got a { */ | |
| 760 | in_stmt = false; | |
| 761 | /* don't indent the { */ | |
| 762 | force_nl = true; | |
| 763 | /* force other stuff on same line as { onto new line */ | |
| 764 | ||
| 765 | if (s_code != e_code && !btype_2) { | |
| 766 | /* bracket is not alone on line */ | |
| 767 | if (verbose) | |
| 768 | printf ("%d: Line broken\n", line_no); | |
| 769 | dump_line (); | |
| 770 | want_blank = false; | |
| 771 | } | |
| 772 | ||
| 773 | if (p_l_follow > 0) { | |
| 774 | /* check for preceeding unbalanced parens */ | |
| 775 | printf ("%d: Unbalanced parens\n", line_no); | |
| 776 | p_l_follow = 0; | |
| 777 | if (sp_sw) { | |
| 778 | /* check for unclosed if, for, etc. */ | |
| 779 | sp_sw = false; | |
| 780 | parse (hd_type); | |
| 781 | ind_level = i_l_follow; | |
| 782 | } | |
| 783 | } | |
| 784 | ||
| 785 | if (s_code == e_code) | |
| 786 | ind_stmt = false; | |
| 787 | /* don't put extra indentation on line with '{' */ | |
| 788 | if (in_decl && in_or_st) { | |
| 789 | /* this is either a structure declaration or an init */ | |
| 790 | di_stack[dec_nest++] = dec_ind; | |
| 791 | dec_ind = 0; | |
| 792 | } | |
| 793 | else | |
| 794 | decl_on_line = false; | |
| 795 | /* we can't be in the middle of a declaration, so don't do | |
| 796 | special indentation of comments */ | |
| 797 | ||
| 798 | parse (lbrace);/* let parser know about this */ | |
| 799 | if (want_blank)/* put a blank before { if { is not at | |
| 800 | start of line */ | |
| 801 | *e_code++ = ' '; | |
| 802 | want_blank = false; | |
| 803 | *e_code++ = '{'; | |
| 804 | break; | |
| 805 | ||
| 806 | case rbrace: /* got a } */ | |
| 807 | if (p_l_follow) { | |
| 808 | /* check for unclosed if, for, else. */ | |
| 809 | printf ("%d: Unbalanced parens\n", line_no); | |
| 810 | p_l_follow = 0; | |
| 811 | sp_sw = false; | |
| 812 | } | |
| 813 | ||
| 814 | if (s_code != e_code) { | |
| 815 | /* } must be first on line */ | |
| 816 | if (verbose) | |
| 817 | printf ("%d: Line broken\n", line_no); | |
| 818 | dump_line (); | |
| 819 | } | |
| 820 | ||
| 821 | *e_code++ = '}'; | |
| 822 | want_blank = true; | |
| 823 | in_stmt = ind_stmt = false; | |
| 824 | ||
| 825 | if (dec_nest > 0) { | |
| 826 | /* we are in multi-level structure declaration */ | |
| 827 | dec_ind = di_stack[--dec_nest]; | |
| 828 | in_decl = true; | |
| 829 | } | |
| 830 | ||
| 831 | parse (rbrace);/* let parser know about this */ | |
| 832 | break; | |
| 833 | ||
| 834 | case swstmt: /* got keyword "switch" */ | |
| 835 | sp_sw = true; | |
| 836 | hd_type = swstmt; | |
| 837 | /* keep this for when we have seen the expression */ | |
| 838 | goto copy_id; /* go move the token into buffer */ | |
| 839 | ||
| 840 | case sp_paren: /* token is if, while, for */ | |
| 841 | sp_sw = true; /* the interesting stuff is done after the | |
| 842 | expression is scanned */ | |
| 843 | hd_type = (*token == 'i' ? ifstmt : | |
| 844 | (*token == 'w' ? whilestmt : forstmt)); | |
| 845 | /* remember the type of header for later use by parser */ | |
| 846 | goto copy_id; /* copy the token into line */ | |
| 847 | ||
| 848 | case sp_nparen: /* got else, do */ | |
| 849 | in_stmt = false; | |
| 850 | if (e_code != s_code) { | |
| 851 | /* make sure this starts a line */ | |
| 852 | if (verbose) | |
| 853 | printf ("%d: Line broken\n", line_no); | |
| 854 | dump_line (); | |
| 855 | want_blank = false; | |
| 856 | } | |
| 857 | ||
| 858 | force_nl = true; | |
| 859 | /* also, following stuff must go onto new line */ | |
| 860 | parse (*token == 'e' ? elselit : dolit); | |
| 861 | /* pass token on to parser */ | |
| 862 | goto copy_id; /* move the token into line */ | |
| 863 | ||
| 864 | case decl: /* we have a declaration type (int, | |
| 865 | register, etc.) */ | |
| 866 | parse (decl); /* let parser worry about indentation */ | |
| 867 | in_or_st = true; | |
| 868 | /* this might be a structure or initialization declaration */ | |
| 869 | in_decl = decl_on_line = true; | |
| 870 | for (i = 0; token[i++];); | |
| 871 | /* get length of token */ | |
| 872 | ||
| 873 | if (i <= 3) | |
| 874 | i = 4; | |
| 875 | ||
| 876 | dec_ind = ((e_code - s_code + i) / ind_size + 1) * ind_size; | |
| 877 | /* this will tell us how far to indent subsequent identifiers | |
| 878 | */ | |
| 879 | goto copy_id; | |
| 880 | ||
| 881 | case ident: /* got an identifier or constant */ | |
| 882 | if (in_decl) { /* if we are in a declaration, we must | |
| 883 | indent identifier */ | |
| 884 | if (want_blank) | |
| 885 | *e_code++ = ' '; | |
| 886 | want_blank = false; | |
| 887 | ||
| 888 | while ((e_code - s_code) < dec_ind) | |
| 889 | *e_code++ = ' '; | |
| 890 | } | |
| 891 | else | |
| 892 | if (sp_sw && p_l_follow == 0) { | |
| 893 | /* check for if expr w/o parens *//* this will make | |
| 894 | JRM's obsurd "for ever" statements work */ | |
| 895 | sp_sw = false; | |
| 896 | force_nl = true; | |
| 897 | last_u_d = true; | |
| 898 | in_stmt = false; | |
| 899 | parse (hd_type); | |
| 900 | } | |
| 901 | ||
| 902 | copy_id: | |
| 903 | if (want_blank) | |
| 904 | *e_code++ = ' '; | |
| 905 | for (t_ptr = token; *t_ptr; ++t_ptr) | |
| 906 | *e_code++ = *t_ptr; | |
| 907 | want_blank = true; | |
| 908 | break; | |
| 909 | ||
| 910 | case period: /* treat a period kind of like a binary | |
| 911 | operation */ | |
| 912 | *e_code++ = '.'; | |
| 913 | /* move the period into line */ | |
| 914 | want_blank = false; | |
| 915 | /* don't put a blank after a period */ | |
| 916 | break; | |
| 917 | ||
| 918 | case comma: | |
| 919 | want_blank = (s_code != e_code); | |
| 920 | /* only put blank after comma if comma does not start the line | |
| 921 | */ | |
| 922 | if (in_decl) /* align these in a declaration */ | |
| 923 | while ((e_code - s_code) < (dec_ind - 1)) | |
| 924 | *e_code++ = ' '; | |
| 925 | ||
| 926 | *e_code++ = ','; | |
| 927 | ||
| 928 | if (break_comma && p_l_follow == 0 && !leave_comma) | |
| 929 | force_nl = true; | |
| 930 | ||
| 931 | break; | |
| 932 | ||
| 933 | case preesc: /* got the character '#' */ | |
| 934 | if ( | |
| 935 | (s_com != e_com) || | |
| 936 | (s_lab != e_lab) || | |
| 937 | (s_code != e_code)) { | |
| 938 | /* true iff the '#' was not at start of the line */ | |
| 939 | printf ("%d: What is this # doing here?\n", line_no); | |
| 940 | goto do_binary; | |
| 941 | /* treat it as a binary operator */ | |
| 942 | } | |
| 943 | ||
| 944 | *e_lab++ = '#';/* move whole line to 'label' buffer */ | |
| 945 | while (*buf_ptr != '\n') { | |
| 946 | *e_lab = *buf_ptr++; | |
| 947 | if (buf_ptr >= buf_end) | |
| 948 | fill_buffer (); | |
| 949 | ||
| 950 | if (*e_lab++ == '/' && *buf_ptr == '*') { | |
| 951 | /* check for comment on preprocessor line */ | |
| 952 | e_lab - = 2; | |
| 953 | /* skip back over slash */ | |
| 954 | while (*e_lab == '\t' || *e_lab == ' ') | |
| 955 | --e_lab; | |
| 956 | /* strip off trailing blanks and tabs */ | |
| 957 | *(++e_lab) = '\0'; | |
| 958 | /* null terminate the line */ | |
| 959 | if (++buf_ptr >= buf_end) | |
| 960 | /* space past start of comment */ | |
| 961 | fill_buffer (); | |
| 962 | col_1 = false; | |
| 963 | /* don't let pr_comment think that this comment starts | |
| 964 | in column 1 */ | |
| 965 | decl_on_line = true; | |
| 966 | /* treat this as a declaration for comment placement | |
| 967 | purposes */ | |
| 968 | goto proc_comment; | |
| 969 | /* go process the comment */ | |
| 970 | } | |
| 971 | } | |
| 972 | ||
| 973 | *e_lab = '\0'; /* null terminate line */ | |
| 974 | pcase = false; | |
| 975 | break; /* subsequent processing of the newline | |
| 976 | character will cause the line to be | |
| 977 | printed */ | |
| 978 | ||
| 979 | case comment: /* we have gotten a /* this is a biggie */ | |
| 980 | proc_comment: | |
| 981 | pr_comment (); | |
| 982 | break; | |
| 983 | } /* end of big switch stmt */ | |
| 984 | ||
| 985 | *e_code = '\0'; /* make sure code section is null | |
| 986 | terminated */ | |
| 987 | ||
| 988 | } /* end of main while (1) loop */ | |
| 989 | }; | |
| 990 | ||
| 991 | /* | |
| 992 | * copy input file to backup file | |
| 993 | * if in_name is /blah/blah/blah/file, then backup file | |
| 994 | * will be ".Bfile" | |
| 995 | * then make the backup file the input and original | |
| 996 | * input file the output | |
| 997 | */ | |
| 998 | bakcopy () { | |
| 999 | int n, | |
| 1000 | bakchn; | |
| 1001 | char buff[512]; | |
| 1002 | register char *p; | |
| 1003 | ||
| 1004 | /* construct file name .Bfile */ | |
| 1005 | for (p = in_name; *p; p++);/* skip to end of string */ | |
| 1006 | while (p > in_name && *p != '/')/* find last '/' */ | |
| 1007 | p--; | |
| 1008 | if (*p == '/') | |
| 1009 | p++; | |
| 1010 | sprintf (bakfile, ".B%s", p); | |
| 1011 | ||
| 1012 | /* copy in_name to backup file */ | |
| 1013 | bakchn = creat (bakfile, 0600); | |
| 1014 | if (bakchn < 0) { | |
| 1015 | printf ("can't create backup file \"%s\"\n", bakfile); | |
| 1016 | exit (); | |
| 1017 | } | |
| 1018 | while (n = read (input, buff, 512)) | |
| 1019 | write (bakchn, buff, n); | |
| 1020 | close (bakchn); | |
| 1021 | close (input); | |
| 1022 | ||
| 1023 | /* re-open backup file as the input file */ | |
| 1024 | input = open (bakfile, 0); | |
| 1025 | if (input < 0) { | |
| 1026 | printf ("can't re-open backup file\n"); | |
| 1027 | exit (); | |
| 1028 | } | |
| 1029 | ||
| 1030 | /* now the original input file will be the output */ | |
| 1031 | output = creat (in_name, 0644); | |
| 1032 | if (output < 0) { | |
| 1033 | printf ("can't create %s\n", in_name); | |
| 1034 | unlink (bakfile); | |
| 1035 | exit (); | |
| 1036 | } | |
| 1037 | } | |
| 1038 | ||
| 1039 | ||
| 1040 | set_option (arg) | |
| 1041 | char *arg; | |
| 1042 | { | |
| 1043 | register j; | |
| 1044 | for (j = 0; options[j].str != 0; ++j) { | |
| 1045 | /* look thru list of possible options */ | |
| 1046 | if (eqin (options[j].str, arg)) { | |
| 1047 | set_var (j, arg); | |
| 1048 | break; /* get out of for loop */ | |
| 1049 | } | |
| 1050 | } | |
| 1051 | ||
| 1052 | if (options[j].str == 0) { /* illegal arg given */ | |
| 1053 | printf ("Unknown parameter: %s\n", arg); | |
| 1054 | exit (); | |
| 1055 | } | |
| 1056 | } | |
| 1057 | ||
| 1058 | ||
| 1059 | set_var (j, arg) | |
| 1060 | char *arg; | |
| 1061 | { | |
| 1062 | switch (options[j].code) { | |
| 1063 | case 1: /* have -lnnn */ | |
| 1064 | max_col = atoi (&arg[2]); | |
| 1065 | break; | |
| 1066 | case 2: /* have -cnnn */ | |
| 1067 | com_ind = atoi (&arg[2]); | |
| 1068 | break; | |
| 1069 | case 3: /* have -innn */ | |
| 1070 | ind_size = atoi (&arg[2]); | |
| 1071 | break; | |
| 1072 | case 4: /* have -cdnnn */ | |
| 1073 | decl_com_ind = atoi (&arg[3]); | |
| 1074 | break; | |
| 1075 | case 5: /* have -v */ | |
| 1076 | verbose = true; | |
| 1077 | break; | |
| 1078 | case 6: /* have -nv */ | |
| 1079 | verbose = false; | |
| 1080 | break; | |
| 1081 | case 7: /* have -dj */ | |
| 1082 | ljust_decl = true; | |
| 1083 | break; | |
| 1084 | case 8: /* have -ndj */ | |
| 1085 | ljust_decl = false; | |
| 1086 | break; | |
| 1087 | case 9: /* -nbc */ | |
| 1088 | leave_comma = true; | |
| 1089 | break; | |
| 1090 | case 10: /* -bc */ | |
| 1091 | leave_comma = false; | |
| 1092 | break; | |
| 1093 | case 13: /* -dnnn */ | |
| 1094 | unindent_displace = atoi (&arg[2]); | |
| 1095 | break; | |
| 1096 | case 14: /* -br */ | |
| 1097 | btype_2 = true; | |
| 1098 | break; | |
| 1099 | case 15: /* -bl */ | |
| 1100 | btype_2 = false; | |
| 1101 | break; | |
| 1102 | case 16: | |
| 1103 | if(input<0) input = 0; | |
| 1104 | if(output<0) output = 1; | |
| 1105 | break; | |
| 1106 | } | |
| 1107 | } | |
| 1108 | ||
| 1109 | ||
| 1110 | /* | |
| 1111 | * GETPRO - get profile file | |
| 1112 | * profile file is max 127 characters | |
| 1113 | */ | |
| 1114 | getpro (name, buf) | |
| 1115 | char *name, /* profile file name, as in '.indent.pro' | |
| 1116 | */ | |
| 1117 | *buf; /* will receive contents of .pro file */ | |
| 1118 | { | |
| 1119 | register chn, | |
| 1120 | n; | |
| 1121 | char file[32]; | |
| 1122 | ||
| 1123 | file[0] = 0; | |
| 1124 | strcat (file, getenv ("HOME")); | |
| 1125 | strcat (file, "/"); | |
| 1126 | strcat (file, name); | |
| 1127 | chn = open (file, 0); | |
| 1128 | if (chn < 0) | |
| 1129 | return (-1); | |
| 1130 | n = read (chn, buf, 127); | |
| 1131 | if (n < 0) | |
| 1132 | return (-1); | |
| 1133 | buf[n--] = 0; /* null terminate line */ | |
| 1134 | if (buf[n] == '\n') | |
| 1135 | buf[n] = 0; | |
| 1136 | close (chn); | |
| 1137 | return (0); | |
| 1138 | } | |
| 1139 | ||
| 1140 | ||
| 1141 | /* | |
| 1142 | * strip off arguments in a string: | |
| 1143 | * p is address of a character pointer | |
| 1144 | * nextchr returns pointer to front of first arg | |
| 1145 | * arg is null terminated. | |
| 1146 | * p is reset to after arg for subsequent calls | |
| 1147 | */ | |
| 1148 | char *nxtarg (p) | |
| 1149 | char **p; | |
| 1150 | { | |
| 1151 | register char *f, | |
| 1152 | *b; | |
| 1153 | f = b = *p; | |
| 1154 | while (*f && (*f == ' ' || *f == '\t')) | |
| 1155 | f++; | |
| 1156 | while (*b && (*b != ' ' && *b != '\t')) | |
| 1157 | b++; | |
| 1158 | if (*b != 0) | |
| 1159 | *b++ = 0; | |
| 1160 | *p = b; | |
| 1161 | return (f); | |
| 1162 | } | |
| 1163 | ||
| 1164 | ||
| 1165 | set_profile () { | |
| 1166 | char line[128], | |
| 1167 | *b; | |
| 1168 | register char *f; | |
| 1169 | extern char *nxtarg (); | |
| 1170 | ||
| 1171 | if (getpro (".indent.pro", line) < 0) | |
| 1172 | return; | |
| 1173 | b = line; | |
| 1174 | if(verbose) printf ("profile: %s\n", b); | |
| 1175 | while (*(f = nxtarg (&b))) | |
| 1176 | set_option (f); | |
| 1177 | } |