Annotation of mandoc/mdoc.c, Revision 1.69
1.69 ! kristaps 1: /* $Id: mdoc.c,v 1.68 2009/03/20 15:14:01 kristaps Exp $ */
1.1 kristaps 2: /*
1.66 kristaps 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
1.1 kristaps 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: */
19: #include <assert.h>
20: #include <ctype.h>
21: #include <err.h>
22: #include <stdarg.h>
23: #include <stdlib.h>
24: #include <stdio.h>
25: #include <string.h>
26:
27: #include "private.h"
28:
1.41 kristaps 29: /*
30: * Main caller in the libmdoc library. This begins the parsing routine,
31: * handles allocation of data, and so forth. Most of the "work" is done
1.68 kristaps 32: * in macro.c, validate.c and action.c.
1.41 kristaps 33: */
34:
1.48 kristaps 35: static struct mdoc_node *mdoc_node_alloc(const struct mdoc *);
36: static int mdoc_node_append(struct mdoc *,
37: struct mdoc_node *);
1.53 kristaps 38:
39: static int parsetext(struct mdoc *, int, char *);
40: static int parsemacro(struct mdoc *, int, char *);
1.58 kristaps 41: static int macrowarn(struct mdoc *, int, const char *);
1.48 kristaps 42:
43:
1.1 kristaps 44: const char *const __mdoc_macronames[MDOC_MAX] = {
45: "\\\"", "Dd", "Dt", "Os",
46: "Sh", "Ss", "Pp", "D1",
47: "Dl", "Bd", "Ed", "Bl",
48: "El", "It", "Ad", "An",
49: "Ar", "Cd", "Cm", "Dv",
50: "Er", "Ev", "Ex", "Fa",
51: "Fd", "Fl", "Fn", "Ft",
52: "Ic", "In", "Li", "Nd",
53: "Nm", "Op", "Ot", "Pa",
54: "Rv", "St", "Va", "Vt",
55: /* LINTED */
56: "Xr", "\%A", "\%B", "\%D",
57: /* LINTED */
58: "\%I", "\%J", "\%N", "\%O",
59: /* LINTED */
60: "\%P", "\%R", "\%T", "\%V",
61: "Ac", "Ao", "Aq", "At",
62: "Bc", "Bf", "Bo", "Bq",
63: "Bsx", "Bx", "Db", "Dc",
64: "Do", "Dq", "Ec", "Ef",
65: "Em", "Eo", "Fx", "Ms",
66: "No", "Ns", "Nx", "Ox",
67: "Pc", "Pf", "Po", "Pq",
68: "Qc", "Ql", "Qo", "Qq",
69: "Re", "Rs", "Sc", "So",
70: "Sq", "Sm", "Sx", "Sy",
71: "Tn", "Ux", "Xc", "Xo",
72: "Fo", "Fc", "Oo", "Oc",
73: "Bk", "Ek", "Bt", "Hf",
1.57 kristaps 74: "Fr", "Ud", "Lb", "Ap",
1.61 kristaps 75: "Lp", "Lk", "Mt", "Brq",
1.64 kristaps 76: /* LINTED */
1.65 kristaps 77: "Bro", "Brc", "\%C", "Es",
1.69 ! kristaps 78: /* LINTED */
! 79: "En", "Dx", "\%Q"
1.1 kristaps 80: };
81:
82: const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
83: "split", "nosplit", "ragged",
84: "unfilled", "literal", "file",
85: "offset", "bullet", "dash",
86: "hyphen", "item", "enum",
87: "tag", "diag", "hang",
88: "ohang", "inset", "column",
89: "width", "compact", "std",
1.52 kristaps 90: "filled", "words", "emphasis",
1.64 kristaps 91: "symbolic", "nested"
1.1 kristaps 92: };
93:
94: const char * const *mdoc_macronames = __mdoc_macronames;
95: const char * const *mdoc_argnames = __mdoc_argnames;
96:
1.45 kristaps 97:
1.68 kristaps 98: /*
99: * Get the first (root) node of the parse tree.
100: */
1.1 kristaps 101: const struct mdoc_node *
1.47 kristaps 102: mdoc_node(const struct mdoc *mdoc)
1.1 kristaps 103: {
104:
1.68 kristaps 105: if (MDOC_HALT & mdoc->flags)
106: return(NULL);
107: if (mdoc->first)
108: assert(MDOC_ROOT == mdoc->first->type);
1.1 kristaps 109: return(mdoc->first);
110: }
111:
112:
1.37 kristaps 113: const struct mdoc_meta *
1.47 kristaps 114: mdoc_meta(const struct mdoc *mdoc)
1.37 kristaps 115: {
116:
1.68 kristaps 117: if (MDOC_HALT & mdoc->flags)
118: return(NULL);
1.37 kristaps 119: return(&mdoc->meta);
120: }
121:
122:
1.68 kristaps 123: /*
124: * Free up all resources contributed by a parse: the node tree, meta-data and
125: * so on. Then reallocate the root node for another parse.
126: */
1.1 kristaps 127: void
1.67 kristaps 128: mdoc_reset(struct mdoc *mdoc)
129: {
130:
131: if (mdoc->first)
132: mdoc_node_freelist(mdoc->first);
133: if (mdoc->meta.title)
134: free(mdoc->meta.title);
135: if (mdoc->meta.os)
136: free(mdoc->meta.os);
137: if (mdoc->meta.name)
138: free(mdoc->meta.name);
139: if (mdoc->meta.arch)
140: free(mdoc->meta.arch);
141: if (mdoc->meta.vol)
142: free(mdoc->meta.vol);
143:
144: bzero(&mdoc->meta, sizeof(struct mdoc_meta));
145: mdoc->flags = 0;
146: mdoc->lastnamed = mdoc->lastsec = 0;
147:
148: mdoc->first = mdoc->last =
149: xcalloc(1, sizeof(struct mdoc_node));
150: mdoc->last->type = MDOC_ROOT;
151: mdoc->next = MDOC_NEXT_CHILD;
152: }
153:
154:
1.68 kristaps 155: /*
156: * Completely free up all resources.
157: */
1.67 kristaps 158: void
1.38 kristaps 159: mdoc_free(struct mdoc *mdoc)
1.34 kristaps 160: {
161:
1.38 kristaps 162: if (mdoc->first)
163: mdoc_node_freelist(mdoc->first);
1.34 kristaps 164: if (mdoc->meta.title)
165: free(mdoc->meta.title);
166: if (mdoc->meta.os)
167: free(mdoc->meta.os);
168: if (mdoc->meta.name)
169: free(mdoc->meta.name);
1.52 kristaps 170: if (mdoc->meta.arch)
171: free(mdoc->meta.arch);
172: if (mdoc->meta.vol)
173: free(mdoc->meta.vol);
1.34 kristaps 174:
1.68 kristaps 175: if (mdoc->htab)
176: mdoc_tokhash_free(mdoc->htab);
177:
1.1 kristaps 178: free(mdoc);
179: }
180:
181:
182: struct mdoc *
1.55 kristaps 183: mdoc_alloc(void *data, int pflags, const struct mdoc_cb *cb)
1.1 kristaps 184: {
185: struct mdoc *p;
186:
187: p = xcalloc(1, sizeof(struct mdoc));
188:
189: p->data = data;
1.33 kristaps 190: if (cb)
191: (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
1.1 kristaps 192:
1.67 kristaps 193: p->last = p->first =
194: xcalloc(1, sizeof(struct mdoc_node));
1.25 kristaps 195: p->last->type = MDOC_ROOT;
1.55 kristaps 196: p->pflags = pflags;
1.25 kristaps 197: p->next = MDOC_NEXT_CHILD;
1.4 kristaps 198: p->htab = mdoc_tokhash_alloc();
1.1 kristaps 199: return(p);
200: }
201:
202:
1.68 kristaps 203: /*
204: * Climb back up the parse tree, validating open scopes. Mostly calls
205: * through to macro_end in macro.c.
206: */
1.1 kristaps 207: int
1.20 kristaps 208: mdoc_endparse(struct mdoc *mdoc)
209: {
210:
211: if (MDOC_HALT & mdoc->flags)
212: return(0);
213: if (NULL == mdoc->first)
214: return(1);
215:
216: assert(mdoc->last);
217: if ( ! macro_end(mdoc)) {
218: mdoc->flags |= MDOC_HALT;
219: return(0);
220: }
221: return(1);
222: }
223:
224:
1.50 kristaps 225: /*
1.53 kristaps 226: * Main parse routine. Parses a single line -- really just hands off to
227: * the macro or text parser.
1.50 kristaps 228: */
1.20 kristaps 229: int
1.53 kristaps 230: mdoc_parseln(struct mdoc *m, int ln, char *buf)
1.1 kristaps 231: {
232:
1.53 kristaps 233: /* If in error-mode, then we parse no more. */
1.50 kristaps 234:
1.53 kristaps 235: if (MDOC_HALT & m->flags)
1.20 kristaps 236: return(0);
1.50 kristaps 237:
1.53 kristaps 238: return('.' == *buf ? parsemacro(m, ln, buf) :
239: parsetext(m, ln, buf));
1.1 kristaps 240: }
241:
242:
243: void
1.31 kristaps 244: mdoc_vmsg(struct mdoc *mdoc, int ln, int pos, const char *fmt, ...)
1.1 kristaps 245: {
1.31 kristaps 246: char buf[256];
1.23 kristaps 247: va_list ap;
1.1 kristaps 248:
249: if (NULL == mdoc->cb.mdoc_msg)
250: return;
251:
252: va_start(ap, fmt);
1.31 kristaps 253: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
1.1 kristaps 254: va_end(ap);
1.31 kristaps 255: (*mdoc->cb.mdoc_msg)(mdoc->data, ln, pos, buf);
1.1 kristaps 256: }
257:
258:
259: int
1.31 kristaps 260: mdoc_verr(struct mdoc *mdoc, int ln, int pos,
261: const char *fmt, ...)
1.1 kristaps 262: {
1.31 kristaps 263: char buf[256];
264: va_list ap;
1.1 kristaps 265:
266: if (NULL == mdoc->cb.mdoc_err)
267: return(0);
1.31 kristaps 268:
269: va_start(ap, fmt);
270: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
271: va_end(ap);
272: return((*mdoc->cb.mdoc_err)(mdoc->data, ln, pos, buf));
1.1 kristaps 273: }
274:
275:
276: int
1.31 kristaps 277: mdoc_vwarn(struct mdoc *mdoc, int ln, int pos,
278: enum mdoc_warn type, const char *fmt, ...)
1.1 kristaps 279: {
1.31 kristaps 280: char buf[256];
281: va_list ap;
1.1 kristaps 282:
283: if (NULL == mdoc->cb.mdoc_warn)
284: return(0);
1.31 kristaps 285:
286: va_start(ap, fmt);
287: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
288: va_end(ap);
289: return((*mdoc->cb.mdoc_warn)(mdoc->data, ln, pos, type, buf));
1.1 kristaps 290: }
291:
292:
293: int
1.53 kristaps 294: mdoc_macro(struct mdoc *m, int tok,
295: int ln, int pp, int *pos, char *buf)
1.1 kristaps 296: {
297:
1.53 kristaps 298: /* FIXME - these should happen during validation. */
1.31 kristaps 299:
1.44 kristaps 300: if (MDOC_PROLOGUE & mdoc_macros[tok].flags &&
1.53 kristaps 301: SEC_PROLOGUE != m->lastnamed)
302: return(mdoc_perr(m, ln, pp,
303: "disallowed in document body"));
304:
1.44 kristaps 305: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
1.53 kristaps 306: SEC_PROLOGUE == m->lastnamed)
307: return(mdoc_perr(m, ln, pp,
308: "disallowed in prologue"));
309:
310: if (1 != pp && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
1.64 kristaps 311: return(mdoc_perr(m, ln, pp, "%s not callable",
312: mdoc_macronames[tok]));
1.53 kristaps 313:
314: return((*mdoc_macros[tok].fp)(m, tok, ln, pp, pos, buf));
1.1 kristaps 315: }
316:
317:
1.23 kristaps 318: static int
319: mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
1.1 kristaps 320: {
321:
1.25 kristaps 322: assert(mdoc->last);
323: assert(mdoc->first);
324: assert(MDOC_ROOT != p->type);
1.1 kristaps 325:
1.13 kristaps 326: switch (mdoc->next) {
327: case (MDOC_NEXT_SIBLING):
1.6 kristaps 328: mdoc->last->next = p;
329: p->prev = mdoc->last;
1.13 kristaps 330: p->parent = mdoc->last->parent;
1.1 kristaps 331: break;
1.13 kristaps 332: case (MDOC_NEXT_CHILD):
333: mdoc->last->child = p;
1.1 kristaps 334: p->parent = mdoc->last;
335: break;
336: default:
1.13 kristaps 337: abort();
338: /* NOTREACHED */
1.1 kristaps 339: }
340:
1.23 kristaps 341: if ( ! mdoc_valid_pre(mdoc, p))
342: return(0);
1.68 kristaps 343: if ( ! mdoc_action_pre(mdoc, p))
344: return(0);
1.27 kristaps 345:
346: switch (p->type) {
347: case (MDOC_HEAD):
348: assert(MDOC_BLOCK == p->parent->type);
1.53 kristaps 349: p->parent->head = p;
1.27 kristaps 350: break;
351: case (MDOC_TAIL):
352: assert(MDOC_BLOCK == p->parent->type);
1.53 kristaps 353: p->parent->tail = p;
1.27 kristaps 354: break;
355: case (MDOC_BODY):
356: assert(MDOC_BLOCK == p->parent->type);
1.53 kristaps 357: p->parent->body = p;
1.27 kristaps 358: break;
359: default:
360: break;
361: }
362:
1.1 kristaps 363: mdoc->last = p;
1.23 kristaps 364: return(1);
1.1 kristaps 365: }
366:
367:
1.45 kristaps 368: static struct mdoc_node *
1.46 kristaps 369: mdoc_node_alloc(const struct mdoc *mdoc)
1.45 kristaps 370: {
1.46 kristaps 371: struct mdoc_node *p;
372:
373: p = xcalloc(1, sizeof(struct mdoc_node));
374: p->sec = mdoc->lastsec;
1.45 kristaps 375:
1.46 kristaps 376: return(p);
1.45 kristaps 377: }
378:
379:
1.23 kristaps 380: int
1.22 kristaps 381: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 382: {
383: struct mdoc_node *p;
384:
385: assert(mdoc->first);
386: assert(mdoc->last);
387:
1.46 kristaps 388: p = mdoc_node_alloc(mdoc);
1.17 kristaps 389:
1.22 kristaps 390: p->line = line;
391: p->pos = pos;
1.17 kristaps 392: p->type = MDOC_TAIL;
1.27 kristaps 393: p->tok = tok;
1.17 kristaps 394:
1.23 kristaps 395: return(mdoc_node_append(mdoc, p));
1.17 kristaps 396: }
397:
398:
1.23 kristaps 399: int
1.22 kristaps 400: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 401: {
402: struct mdoc_node *p;
403:
404: assert(mdoc->first);
405: assert(mdoc->last);
406:
1.46 kristaps 407: p = mdoc_node_alloc(mdoc);
1.13 kristaps 408:
1.22 kristaps 409: p->line = line;
410: p->pos = pos;
1.1 kristaps 411: p->type = MDOC_HEAD;
1.27 kristaps 412: p->tok = tok;
1.1 kristaps 413:
1.23 kristaps 414: return(mdoc_node_append(mdoc, p));
1.1 kristaps 415: }
416:
417:
1.23 kristaps 418: int
1.22 kristaps 419: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 420: {
421: struct mdoc_node *p;
422:
423: assert(mdoc->first);
424: assert(mdoc->last);
425:
1.46 kristaps 426: p = mdoc_node_alloc(mdoc);
1.1 kristaps 427:
1.22 kristaps 428: p->line = line;
429: p->pos = pos;
1.1 kristaps 430: p->type = MDOC_BODY;
1.27 kristaps 431: p->tok = tok;
1.1 kristaps 432:
1.23 kristaps 433: return(mdoc_node_append(mdoc, p));
1.1 kristaps 434: }
435:
436:
1.23 kristaps 437: int
1.25 kristaps 438: mdoc_root_alloc(struct mdoc *mdoc)
439: {
440: struct mdoc_node *p;
441:
1.46 kristaps 442: p = mdoc_node_alloc(mdoc);
1.25 kristaps 443:
444: p->type = MDOC_ROOT;
445:
446: return(mdoc_node_append(mdoc, p));
447: }
448:
449:
450: int
1.22 kristaps 451: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
1.53 kristaps 452: int tok, struct mdoc_arg *args)
1.1 kristaps 453: {
454: struct mdoc_node *p;
455:
1.46 kristaps 456: p = mdoc_node_alloc(mdoc);
1.1 kristaps 457:
1.22 kristaps 458: p->pos = pos;
459: p->line = line;
1.1 kristaps 460: p->type = MDOC_BLOCK;
1.27 kristaps 461: p->tok = tok;
1.53 kristaps 462: p->args = args;
463:
464: if (args)
465: (args->refcnt)++;
1.1 kristaps 466:
1.23 kristaps 467: return(mdoc_node_append(mdoc, p));
1.1 kristaps 468: }
469:
470:
1.23 kristaps 471: int
1.22 kristaps 472: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
1.53 kristaps 473: int tok, struct mdoc_arg *args)
1.1 kristaps 474: {
475: struct mdoc_node *p;
476:
1.46 kristaps 477: p = mdoc_node_alloc(mdoc);
1.22 kristaps 478:
479: p->line = line;
480: p->pos = pos;
1.1 kristaps 481: p->type = MDOC_ELEM;
1.27 kristaps 482: p->tok = tok;
1.53 kristaps 483: p->args = args;
484:
485: if (args)
486: (args->refcnt)++;
1.1 kristaps 487:
1.23 kristaps 488: return(mdoc_node_append(mdoc, p));
1.1 kristaps 489: }
490:
491:
1.23 kristaps 492: int
1.22 kristaps 493: mdoc_word_alloc(struct mdoc *mdoc,
494: int line, int pos, const char *word)
1.1 kristaps 495: {
496: struct mdoc_node *p;
497:
1.46 kristaps 498: p = mdoc_node_alloc(mdoc);
1.45 kristaps 499:
1.22 kristaps 500: p->line = line;
501: p->pos = pos;
1.1 kristaps 502: p->type = MDOC_TEXT;
1.53 kristaps 503: p->string = xstrdup(word);
1.1 kristaps 504:
1.23 kristaps 505: return(mdoc_node_append(mdoc, p));
1.1 kristaps 506: }
507:
508:
1.53 kristaps 509: void
510: mdoc_node_free(struct mdoc_node *p)
1.1 kristaps 511: {
512:
1.53 kristaps 513: if (p->string)
514: free(p->string);
515: if (p->args)
516: mdoc_argv_free(p->args);
1.1 kristaps 517: free(p);
518: }
519:
520:
1.53 kristaps 521: void
522: mdoc_node_freelist(struct mdoc_node *p)
1.1 kristaps 523: {
524:
1.53 kristaps 525: if (p->child)
526: mdoc_node_freelist(p->child);
527: if (p->next)
528: mdoc_node_freelist(p->next);
1.1 kristaps 529:
1.53 kristaps 530: mdoc_node_free(p);
1.1 kristaps 531: }
532:
533:
1.53 kristaps 534: /*
535: * Parse free-form text, that is, a line that does not begin with the
536: * control character.
537: */
538: static int
1.68 kristaps 539: parsetext(struct mdoc *m, int line, char *buf)
1.1 kristaps 540: {
541:
1.68 kristaps 542: if (SEC_PROLOGUE == m->lastnamed)
543: return(mdoc_perr(m, line, 0,
1.53 kristaps 544: "text disallowed in prologue"));
1.1 kristaps 545:
1.68 kristaps 546: if (0 == buf[0] && ! (MDOC_LITERAL & m->flags))
547: return(mdoc_perr(m, line, 0,
548: "blank lines only in literal context"));
549:
550: if ( ! mdoc_word_alloc(m, line, 0, buf))
1.53 kristaps 551: return(0);
1.1 kristaps 552:
1.68 kristaps 553: m->next = MDOC_NEXT_SIBLING;
1.53 kristaps 554: return(1);
1.1 kristaps 555: }
556:
557:
1.58 kristaps 558: static int
559: macrowarn(struct mdoc *m, int ln, const char *buf)
560: {
561: if ( ! (MDOC_IGN_MACRO & m->pflags))
562: return(mdoc_perr(m, ln, 1, "unknown macro: %s%s",
1.59 kristaps 563: buf, strlen(buf) > 3 ? "..." : ""));
1.58 kristaps 564: return(mdoc_pwarn(m, ln, 1, WARN_SYNTAX,
565: "unknown macro: %s%s",
1.59 kristaps 566: buf, strlen(buf) > 3 ? "..." : ""));
1.58 kristaps 567: }
568:
569:
570:
1.53 kristaps 571: /*
572: * Parse a macro line, that is, a line beginning with the control
573: * character.
574: */
575: int
576: parsemacro(struct mdoc *m, int ln, char *buf)
1.1 kristaps 577: {
1.53 kristaps 578: int i, c;
579: char mac[5];
1.1 kristaps 580:
1.63 kristaps 581: /* Comments and empties are quickly ignored. */
582:
583: if (0 == buf[1])
584: return(1);
585:
1.65 kristaps 586: if (' ' == buf[1]) {
1.63 kristaps 587: i = 2;
1.65 kristaps 588: while (buf[i] && ' ' == buf[i])
1.63 kristaps 589: i++;
590: if (0 == buf[i])
591: return(1);
592: return(mdoc_perr(m, ln, 1, "invalid syntax"));
593: }
1.1 kristaps 594:
1.53 kristaps 595: if (buf[1] && '\\' == buf[1])
596: if (buf[2] && '\"' == buf[2])
597: return(1);
1.1 kristaps 598:
1.53 kristaps 599: /* Copy the first word into a nil-terminated buffer. */
1.1 kristaps 600:
1.53 kristaps 601: for (i = 1; i < 5; i++) {
602: if (0 == (mac[i - 1] = buf[i]))
603: break;
1.65 kristaps 604: else if (' ' == buf[i])
1.53 kristaps 605: break;
606: }
1.1 kristaps 607:
1.53 kristaps 608: mac[i - 1] = 0;
1.1 kristaps 609:
1.53 kristaps 610: if (i == 5 || i <= 2) {
1.58 kristaps 611: if ( ! macrowarn(m, ln, mac))
612: goto err;
613: return(1);
1.53 kristaps 614: }
615:
616: if (MDOC_MAX == (c = mdoc_tokhash_find(m->htab, mac))) {
1.58 kristaps 617: if ( ! macrowarn(m, ln, mac))
618: goto err;
619: return(1);
1.53 kristaps 620: }
1.1 kristaps 621:
1.53 kristaps 622: /* The macro is sane. Jump to the next word. */
1.1 kristaps 623:
1.65 kristaps 624: while (buf[i] && ' ' == buf[i])
1.53 kristaps 625: i++;
1.1 kristaps 626:
1.53 kristaps 627: /* Begin recursive parse sequence. */
1.1 kristaps 628:
1.53 kristaps 629: if ( ! mdoc_macro(m, c, ln, 1, &i, buf))
630: goto err;
1.1 kristaps 631:
1.68 kristaps 632: /*
633: * If we're in literal mode, then add a newline to the end of
634: * macro lines. Our frontends will interpret this correctly
635: * (it's documented in mdoc.3).
636: */
637:
1.53 kristaps 638: return(1);
1.1 kristaps 639:
1.53 kristaps 640: err: /* Error out. */
1.1 kristaps 641:
1.53 kristaps 642: m->flags |= MDOC_HALT;
643: return(0);
1.1 kristaps 644: }
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