Annotation of mandoc/macro.c, Revision 1.6
1.6 ! kristaps 1: /* $Id: macro.c,v 1.5 2008/12/17 17:18:38 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the
7: * above copyright notice and this permission notice appear in all
8: * copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11: * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12: * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13: * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14: * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15: * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16: * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17: * PERFORMANCE OF THIS SOFTWARE.
18: */
1.2 kristaps 19: #include <assert.h>
20: #include <ctype.h>
1.1 kristaps 21: #include <stdlib.h>
1.2 kristaps 22: #include <stdio.h>
1.5 kristaps 23: #include <string.h>
1.2 kristaps 24:
25: #include "private.h"
26:
1.3 kristaps 27: #define _CC(p) ((const char **)p)
1.2 kristaps 28:
1.6 ! kristaps 29: static int scope_rewind_exp(struct mdoc *, int, int, int);
1.3 kristaps 30: static int append_text(struct mdoc *, int,
31: int, int, char *[]);
1.6 ! kristaps 32: static int append_scoped(struct mdoc *, int, int, int,
! 33: const char *[], int, const struct mdoc_arg *);
1.3 kristaps 34: static int args_next(struct mdoc *, int,
35: int *, char *, char **);
1.6 ! kristaps 36: static int argv_next(struct mdoc *, int,
! 37: int *, char *, struct mdoc_arg *);
! 38: static int args_next_quoted(struct mdoc *, int,
! 39: int *, char *, char **);
! 40:
! 41:
! 42: static int
! 43: args_next_quoted(struct mdoc *mdoc, int tok,
! 44: int *pos, char *buf, char **v)
! 45: {
! 46:
! 47: if (0 == buf[*pos])
! 48: return(0);
! 49:
! 50: assert( ! isspace(buf[*pos]));
! 51:
! 52: if ('\"' != buf[*pos])
! 53: return(args_next(mdoc, tok, pos, buf, v));
! 54:
! 55: *v = &buf[++(*pos)];
! 56:
! 57: while (buf[*pos] && '\"' != buf[*pos])
! 58: (*pos)++;
! 59:
! 60: if (0 == buf[*pos]) {
! 61: (void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_UNQUOTE);
! 62: return(-1);
! 63: }
! 64:
! 65: buf[(*pos)++] = 0;
! 66: if (0 == buf[*pos])
! 67: return(1);
! 68:
! 69: while (buf[*pos] && isspace(buf[*pos]))
! 70: (*pos)++;
! 71:
! 72: if (0 == buf[*pos])
! 73: if ( ! mdoc_warn(mdoc, tok, *pos, WARN_SYNTAX_WS_EOLN))
! 74: return(-1);
! 75:
! 76: return(1);
! 77: }
! 78:
! 79:
! 80: static int
! 81: scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, int dst)
! 82: {
! 83: struct mdoc_node *n;
! 84:
! 85: /* LINTED */
! 86: for (n = mdoc->last; n; n = n->parent) {
! 87: if (MDOC_BLOCK != n->type)
! 88: continue;
! 89: if (dst == n->data.block.tok)
! 90: break;
! 91: return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK));
! 92: }
! 93:
! 94: if (NULL == (mdoc->last = n))
! 95: return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NOCTX));
! 96:
! 97: mdoc_msg(mdoc, ppos, "scope: rewound `%s' to `%s'",
! 98: mdoc_macronames[tok], mdoc_macronames[dst]);
! 99:
! 100: return(1);
! 101: }
! 102:
! 103:
! 104: static int
! 105: argv_next(struct mdoc *mdoc, int tok,
! 106: int *pos, char *buf, struct mdoc_arg *v)
! 107: {
! 108: char *argv;
! 109: int i, val;
! 110:
! 111: if (0 == buf[*pos])
! 112: return(0);
! 113:
! 114: assert( ! isspace(buf[*pos]));
! 115:
! 116: if ('-' != buf[*pos]) {
! 117: (void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_ARGS);
! 118: return(-1);
! 119: }
! 120:
! 121: i = *pos;
! 122: argv = &buf[++(*pos)];
! 123:
! 124: while (buf[*pos] && ! isspace(buf[*pos]))
! 125: (*pos)++;
! 126:
! 127: if (buf[*pos])
! 128: buf[(*pos)++] = 0;
! 129:
! 130: /*
! 131: * XXX This is a little bit ugly. The mdoc_argv structure
! 132: * points to a pointer array, which we allocate on-the-fly in
! 133: * this function. If there's any failure, we need to release
! 134: * this memory, which is done by the caller of this function
! 135: * with mdoc_argv_free. Ew. This should be simpler.
! 136: */
! 137:
! 138: if (MDOC_ARG_MAX == (val = mdoc_argv_lookup(tok, argv))) {
! 139: (void)mdoc_err(mdoc, tok, i, ERR_SYNTAX_BADARG);
! 140: return(-1);
! 141: }
! 142:
! 143: while (buf[*pos] && isspace(buf[*pos]))
! 144: (*pos)++;
! 145:
! 146: if ( ! mdoc_argv_parse(mdoc, tok, val, v, pos, buf))
! 147: return(-1);
! 148:
! 149: return(1);
! 150: }
1.1 kristaps 151:
152:
153: static int
1.2 kristaps 154: args_next(struct mdoc *mdoc, int tok,
155: int *pos, char *buf, char **v)
1.1 kristaps 156: {
157:
158: if (0 == buf[*pos])
159: return(0);
160:
1.2 kristaps 161: assert( ! isspace(buf[*pos]));
162:
1.1 kristaps 163: if ('\"' == buf[*pos]) {
1.2 kristaps 164: (void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_QUOTE);
1.1 kristaps 165: return(-1);
166: }
167:
168: *v = &buf[*pos];
169:
1.2 kristaps 170: /* Scan ahead to end of token. */
171:
1.1 kristaps 172: while (buf[*pos] && ! isspace(buf[*pos]))
173: (*pos)++;
174:
1.2 kristaps 175: if (buf[*pos] && buf[*pos + 1] && '\\' == buf[*pos]) {
176: (void)mdoc_err(mdoc, tok, *pos, ERR_SYNTAX_WS);
1.1 kristaps 177: return(-1);
178: }
179:
1.2 kristaps 180: if (0 == buf[*pos])
181: return(1);
182:
183: /* Scan ahead over trailing whitespace. */
184:
185: buf[(*pos)++] = 0;
186: while (buf[*pos] && isspace(buf[*pos]))
187: (*pos)++;
188:
189: if (0 == buf[*pos])
190: if ( ! mdoc_warn(mdoc, tok, *pos, WARN_SYNTAX_WS_EOLN))
191: return(-1);
192:
1.1 kristaps 193: return(1);
194: }
195:
1.2 kristaps 196:
197: static int
1.6 ! kristaps 198: append_scoped(struct mdoc *mdoc, int tok, int pos,
! 199: int sz, const char *args[],
! 200: int argc, const struct mdoc_arg *argv)
1.2 kristaps 201: {
1.5 kristaps 202: enum mdoc_sec sec;
203:
1.4 kristaps 204: switch (tok) {
205: /* ======= ADD MORE MACRO CHECKS BELOW. ======= */
206: case (MDOC_Sh):
1.6 ! kristaps 207: if (0 == sz)
! 208: return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1));
! 209:
1.5 kristaps 210: sec = mdoc_atosec((size_t)sz, _CC(args));
211: if (SEC_CUSTOM != sec && sec < mdoc->sec_lastn)
212: if ( ! mdoc_warn(mdoc, tok, pos, WARN_SEC_OO))
213: return(0);
214:
215: if (SEC_BODY == mdoc->sec_last && SEC_NAME != sec)
216: return(mdoc_err(mdoc, tok, pos, ERR_SEC_NAME));
217:
218: if (SEC_CUSTOM != sec)
219: mdoc->sec_lastn = sec;
220: mdoc->sec_last = sec;
1.4 kristaps 221: break;
1.6 ! kristaps 222:
1.4 kristaps 223: case (MDOC_Ss):
1.6 ! kristaps 224: if (0 == sz)
! 225: return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1));
! 226: break;
! 227:
! 228: case (MDOC_Bl):
1.4 kristaps 229: break;
1.6 ! kristaps 230:
1.4 kristaps 231: /* ======= ADD MORE MACRO CHECKS ABOVE. ======= */
232: default:
233: abort();
234: /* NOTREACHED */
235: }
236:
1.6 ! kristaps 237: mdoc_block_alloc(mdoc, pos, tok, (size_t)argc, argv);
1.3 kristaps 238: mdoc_head_alloc(mdoc, pos, tok, (size_t)sz, _CC(args));
1.2 kristaps 239: mdoc_body_alloc(mdoc, pos, tok);
240: return(1);
241: }
242:
243:
1.1 kristaps 244: static int
1.3 kristaps 245: append_text(struct mdoc *mdoc, int tok,
246: int pos, int sz, char *args[])
1.1 kristaps 247: {
248:
1.3 kristaps 249: assert(sz >= 0);
1.2 kristaps 250: args[sz] = NULL;
251:
252: switch (tok) {
1.4 kristaps 253: /* ======= ADD MORE MACRO CHECKS BELOW. ======= */
1.2 kristaps 254: case (MDOC_Ft):
255: /* FALLTHROUGH */
256: case (MDOC_Li):
257: /* FALLTHROUGH */
258: case (MDOC_Ms):
259: /* FALLTHROUGH */
260: case (MDOC_Pa):
261: /* FALLTHROUGH */
262: case (MDOC_Tn):
1.4 kristaps 263: if (0 < sz)
264: break;
265: if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1))
1.1 kristaps 266: return(0);
1.4 kristaps 267: break;
1.2 kristaps 268: case (MDOC_Ar):
269: /* FALLTHROUGH */
270: case (MDOC_Cm):
271: /* FALLTHROUGH */
272: case (MDOC_Fl):
1.4 kristaps 273: break;
1.2 kristaps 274: case (MDOC_Ad):
275: /* FALLTHROUGH */
276: case (MDOC_Em):
277: /* FALLTHROUGH */
278: case (MDOC_Er):
279: /* FALLTHROUGH */
280: case (MDOC_Ev):
281: /* FALLTHROUGH */
282: case (MDOC_Fa):
283: /* FALLTHROUGH */
284: case (MDOC_Dv):
285: /* FALLTHROUGH */
286: case (MDOC_Ic):
287: /* FALLTHROUGH */
288: case (MDOC_Va):
289: /* FALLTHROUGH */
290: case (MDOC_Vt):
1.4 kristaps 291: if (0 < sz)
292: break;
293: return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1));
294: /* ======= ADD MORE MACRO CHECKS ABOVE. ======= */
1.2 kristaps 295: default:
1.4 kristaps 296: abort();
297: /* NOTREACHED */
1.2 kristaps 298: }
299:
1.4 kristaps 300: mdoc_elem_alloc(mdoc, pos, tok, 0,
301: NULL, (size_t)sz, _CC(args));
302: return(1);
1.2 kristaps 303: }
304:
1.1 kristaps 305:
1.2 kristaps 306: int
1.5 kristaps 307: macro_text(MACRO_PROT_ARGS)
1.2 kristaps 308: {
1.3 kristaps 309: int lastarg, c, lasttok, lastpunct, j;
1.2 kristaps 310: char *args[MDOC_LINEARG_MAX], *p;
1.1 kristaps 311:
1.2 kristaps 312: lasttok = ppos;
313: lastpunct = 0;
314: j = 0;
315:
1.5 kristaps 316: if (SEC_PROLOGUE == mdoc->sec_lastn)
317: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
318:
1.2 kristaps 319: again:
1.6 ! kristaps 320: lastarg = *pos;
1.2 kristaps 321:
1.6 ! kristaps 322: if (j == MDOC_LINEARG_MAX)
! 323: return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
1.2 kristaps 324: c = args_next(mdoc, tok, pos, buf, &args[j]);
325:
326: if (-1 == c)
327: return(0);
328: if (0 == c && ! lastpunct)
329: return(append_text(mdoc, tok, lasttok, j, args));
330: else if (0 == c)
331: return(1);
332:
333: /* Command found. */
334:
335: if (MDOC_MAX != (c = mdoc_find(mdoc, args[j]))) {
336: if ( ! lastpunct)
337: if ( ! append_text(mdoc, tok, lasttok, j, args))
1.1 kristaps 338: return(0);
1.2 kristaps 339: return(mdoc_macro(mdoc, c, lastarg, pos, buf));
340: }
341:
342: /* Word found. */
343:
1.4 kristaps 344: if ( ! mdoc_isdelim(args[j])) {
1.2 kristaps 345: j++;
346: goto again;
347: }
348:
349: /* Punctuation found. */
350:
351: p = args[j]; /* Save argument (NULL-ified in append). */
352:
353: if ( ! lastpunct)
354: if ( ! append_text(mdoc, tok, lasttok, j, args))
355: return(0);
356:
357: args[j] = p;
358:
359: mdoc_word_alloc(mdoc, lastarg, args[j]);
360: lastpunct = 1;
361: j = 0;
362:
363: goto again;
364:
365: /* NOTREACHED */
366: }
1.1 kristaps 367:
368:
1.2 kristaps 369: int
1.5 kristaps 370: macro_prologue_dtitle(MACRO_PROT_ARGS)
371: {
372: int c, lastarg, j;
373: char *args[MDOC_LINEARG_MAX];
374:
375: if (SEC_PROLOGUE != mdoc->sec_lastn)
376: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE));
377: if (0 == mdoc->meta.date)
378: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO));
379: if (mdoc->meta.title[0])
380: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP));
381:
382: j = -1;
383:
384: again:
385: lastarg = *pos;
1.6 ! kristaps 386:
! 387: if (j == MDOC_LINEARG_MAX)
! 388: return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
1.5 kristaps 389: c = args_next(mdoc, tok, pos, buf, &args[++j]);
390:
391: if (0 == c) {
392: if (mdoc->meta.title)
393: return(1);
394: if ( ! mdoc_warn(mdoc, tok, ppos, WARN_ARGS_GE1))
395: return(0);
396: (void)xstrlcpy(mdoc->meta.title,
397: "UNTITLED", META_TITLE_SZ);
398: return(1);
399: } else if (-1 == c)
400: return(0);
401:
402: if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn
403: (mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE))
404: return(0);
405:
406: if (0 == j) {
407: if (xstrlcpy(mdoc->meta.title, args[0], META_TITLE_SZ))
408: goto again;
409: return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS));
410:
411: } else if (1 == j) {
412: mdoc->meta.msec = mdoc_atomsec(args[1]);
413: if (MSEC_DEFAULT != mdoc->meta.msec)
414: goto again;
415: return(mdoc_err(mdoc, tok, -1, ERR_SYNTAX_ARGS));
416:
417: } else if (2 == j) {
418: mdoc->meta.vol = mdoc_atovol(args[2]);
419: if (VOL_DEFAULT != mdoc->meta.vol)
420: goto again;
421: mdoc->meta.arch = mdoc_atoarch(args[2]);
422: if (ARCH_DEFAULT != mdoc->meta.arch)
423: goto again;
424: return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS));
425: }
426:
427: return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
428: }
429:
430:
431: int
1.6 ! kristaps 432: macro_prologue_os(MACRO_PROT_ARGS)
! 433: {
! 434: int c, lastarg, j;
! 435: char *args[MDOC_LINEARG_MAX];
! 436:
! 437: if (SEC_PROLOGUE != mdoc->sec_lastn)
! 438: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE));
! 439: if (0 == mdoc->meta.title[0])
! 440: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO));
! 441: if (mdoc->meta.os[0])
! 442: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP));
! 443:
! 444: j = -1;
! 445:
! 446: again:
! 447: lastarg = *pos;
! 448:
! 449: if (j == MDOC_LINEARG_MAX)
! 450: return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
! 451: c = args_next_quoted(mdoc, tok, pos, buf, &args[++j]);
! 452:
! 453: if (0 == c) {
! 454: mdoc->sec_lastn = mdoc->sec_last = SEC_BODY;
! 455: return(1);
! 456: } else if (-1 == c)
! 457: return(0);
! 458:
! 459: if ( ! xstrlcat(mdoc->meta.os, args[j], sizeof(mdoc->meta.os)))
! 460: return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS));
! 461: if ( ! xstrlcat(mdoc->meta.os, " ", sizeof(mdoc->meta.os)))
! 462: return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS));
! 463:
! 464: goto again;
! 465: /* NOTREACHED */
! 466: }
! 467:
! 468:
! 469: int
1.5 kristaps 470: macro_prologue_ddate(MACRO_PROT_ARGS)
471: {
472: int c, lastarg, j;
473: char *args[MDOC_LINEARG_MAX], date[64];
474:
475: if (SEC_PROLOGUE != mdoc->sec_lastn)
476: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE));
477: if (mdoc->meta.title[0])
478: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO));
479: if (mdoc->meta.date)
480: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP));
481:
482: j = -1;
483: date[0] = 0;
484:
485: again:
1.6 ! kristaps 486: lastarg = *pos;
1.5 kristaps 487:
1.6 ! kristaps 488: if (j == MDOC_LINEARG_MAX)
! 489: return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
1.5 kristaps 490: c = args_next(mdoc, tok, pos, buf, &args[++j]);
1.6 ! kristaps 491:
1.5 kristaps 492: if (0 == c) {
493: if (mdoc->meta.date)
494: return(1);
495: mdoc->meta.date = mdoc_atotime(date);
496: if (mdoc->meta.date)
497: return(1);
498: return(mdoc_err(mdoc, tok, ppos, ERR_SYNTAX_ARGS));
499: } else if (-1 == c)
500: return(0);
501:
502: if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn
503: (mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE))
504: return(0);
505:
506: if (0 == j) {
507: if (xstrcmp("$Mdocdate$", args[j])) {
508: mdoc->meta.date = time(NULL);
509: goto again;
510: } else if (xstrcmp("$Mdocdate:", args[j]))
511: goto again;
512: } else if (4 == j)
513: if ( ! xstrcmp("$", args[j]))
514: goto again;
515:
516: if ( ! xstrlcat(date, args[j], sizeof(date)))
517: return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS));
518: if ( ! xstrlcat(date, " ", sizeof(date)))
519: return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGS));
520:
521: goto again;
522: /* NOTREACHED */
523: }
524:
525:
526: int
1.6 ! kristaps 527: macro_scoped_explicit(MACRO_PROT_ARGS)
! 528: {
! 529: int c, lastarg, j;
! 530: struct mdoc_arg argv[MDOC_LINEARG_MAX];
! 531:
! 532: if (SEC_PROLOGUE == mdoc->sec_lastn)
! 533: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
! 534:
! 535: /*
! 536: * First close out the explicit scope. The `end' tags (such as
! 537: * `.El' to `.Bl' don't cause anything to happen: we merely
! 538: * readjust our last parse point.
! 539: */
! 540:
! 541: switch (tok) {
! 542: case (MDOC_El):
! 543: return(scope_rewind_exp(mdoc, ppos, tok, MDOC_Bl));
! 544: default:
! 545: break;
! 546: }
! 547:
! 548: assert(MDOC_EXPLICIT & mdoc_macros[tok].flags);
! 549:
! 550: lastarg = *pos;
! 551:
! 552: for (j = 0; j < MDOC_LINEARG_MAX; j++) {
! 553: lastarg = *pos;
! 554: c = argv_next(mdoc, tok, pos, buf, &argv[j]);
! 555: if (0 == c)
! 556: break;
! 557: else if (1 == c)
! 558: continue;
! 559:
! 560: mdoc_argv_free(j, argv);
! 561: return(0);
! 562: }
! 563:
! 564: if (MDOC_LINEARG_MAX == j) {
! 565: mdoc_argv_free(j, argv);
! 566: return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
! 567: }
! 568:
! 569: c = append_scoped(mdoc, tok, ppos, 0, NULL, j, argv);
! 570: mdoc_argv_free(j, argv);
! 571: return(c);
! 572: }
! 573:
! 574:
! 575: int
1.5 kristaps 576: macro_scoped_implicit(MACRO_PROT_ARGS)
1.2 kristaps 577: {
1.3 kristaps 578: int t, c, lastarg, j;
1.2 kristaps 579: char *args[MDOC_LINEARG_MAX];
580: struct mdoc_node *n;
581:
1.5 kristaps 582: assert( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags));
1.1 kristaps 583:
1.5 kristaps 584: if (SEC_PROLOGUE == mdoc->sec_lastn)
585: return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE));
1.1 kristaps 586:
1.6 ! kristaps 587: /* FIXME: put into scope_rewind_imp(). */
! 588:
1.3 kristaps 589: /* LINTED */
1.2 kristaps 590: for (n = mdoc->last; n; n = n->parent) {
591: if (MDOC_BLOCK != n->type)
592: continue;
593: if (tok == (t = n->data.block.tok))
1.1 kristaps 594: break;
1.2 kristaps 595: if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags))
596: continue;
597: return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK));
598: }
599:
600: if (n) {
601: mdoc->last = n;
602: mdoc_msg(mdoc, ppos, "scope: rewound `%s'",
603: mdoc_macronames[tok]);
604: } else
605: mdoc_msg(mdoc, ppos, "scope: new `%s'",
606: mdoc_macronames[tok]);
607:
608: j = 0;
609:
610: again:
1.6 ! kristaps 611: lastarg = *pos;
1.2 kristaps 612:
1.6 ! kristaps 613: if (j == MDOC_LINEARG_MAX)
! 614: return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
1.2 kristaps 615: c = args_next(mdoc, tok, pos, buf, &args[j]);
616:
617: if (-1 == c)
618: return(0);
619: if (0 == c)
1.6 ! kristaps 620: return(append_scoped(mdoc, tok, ppos,
! 621: j, _CC(args), 0, NULL));
1.1 kristaps 622:
1.2 kristaps 623: /* Command found. */
1.1 kristaps 624:
1.2 kristaps 625: if (MDOC_MAX != (c = mdoc_find(mdoc, args[j])))
1.3 kristaps 626: if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE))
1.1 kristaps 627: return(0);
628:
1.2 kristaps 629: /* Word found. */
630:
631: j++;
632: goto again;
1.1 kristaps 633:
1.2 kristaps 634: /* NOTREACHED */
1.1 kristaps 635: }
1.5 kristaps 636:
CVSweb
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to macro.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [cvsweb.bsd.lv] / mandoc