Annotation of mandoc/mdoc.c, Revision 1.68
1.68 ! kristaps 1: /* $Id: mdoc.c,v 1.67 2009/03/19 11:49:00 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",
1.66 kristaps 78: "En", "Dx"
1.1 kristaps 79: };
80:
81: const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
82: "split", "nosplit", "ragged",
83: "unfilled", "literal", "file",
84: "offset", "bullet", "dash",
85: "hyphen", "item", "enum",
86: "tag", "diag", "hang",
87: "ohang", "inset", "column",
88: "width", "compact", "std",
1.52 kristaps 89: "filled", "words", "emphasis",
1.64 kristaps 90: "symbolic", "nested"
1.1 kristaps 91: };
92:
93: const char * const *mdoc_macronames = __mdoc_macronames;
94: const char * const *mdoc_argnames = __mdoc_argnames;
95:
1.45 kristaps 96:
1.68 ! kristaps 97: /*
! 98: * Get the first (root) node of the parse tree.
! 99: */
1.1 kristaps 100: const struct mdoc_node *
1.47 kristaps 101: mdoc_node(const struct mdoc *mdoc)
1.1 kristaps 102: {
103:
1.68 ! kristaps 104: if (MDOC_HALT & mdoc->flags)
! 105: return(NULL);
! 106: if (mdoc->first)
! 107: assert(MDOC_ROOT == mdoc->first->type);
1.1 kristaps 108: return(mdoc->first);
109: }
110:
111:
1.37 kristaps 112: const struct mdoc_meta *
1.47 kristaps 113: mdoc_meta(const struct mdoc *mdoc)
1.37 kristaps 114: {
115:
1.68 ! kristaps 116: if (MDOC_HALT & mdoc->flags)
! 117: return(NULL);
1.37 kristaps 118: return(&mdoc->meta);
119: }
120:
121:
1.68 ! kristaps 122: /*
! 123: * Free up all resources contributed by a parse: the node tree, meta-data and
! 124: * so on. Then reallocate the root node for another parse.
! 125: */
1.1 kristaps 126: void
1.67 kristaps 127: mdoc_reset(struct mdoc *mdoc)
128: {
129:
130: if (mdoc->first)
131: mdoc_node_freelist(mdoc->first);
132: if (mdoc->meta.title)
133: free(mdoc->meta.title);
134: if (mdoc->meta.os)
135: free(mdoc->meta.os);
136: if (mdoc->meta.name)
137: free(mdoc->meta.name);
138: if (mdoc->meta.arch)
139: free(mdoc->meta.arch);
140: if (mdoc->meta.vol)
141: free(mdoc->meta.vol);
142:
143: bzero(&mdoc->meta, sizeof(struct mdoc_meta));
144: mdoc->flags = 0;
145: mdoc->lastnamed = mdoc->lastsec = 0;
146:
147: mdoc->first = mdoc->last =
148: xcalloc(1, sizeof(struct mdoc_node));
149: mdoc->last->type = MDOC_ROOT;
150: mdoc->next = MDOC_NEXT_CHILD;
151: }
152:
153:
1.68 ! kristaps 154: /*
! 155: * Completely free up all resources.
! 156: */
1.67 kristaps 157: void
1.38 kristaps 158: mdoc_free(struct mdoc *mdoc)
1.34 kristaps 159: {
160:
1.38 kristaps 161: if (mdoc->first)
162: mdoc_node_freelist(mdoc->first);
1.34 kristaps 163: if (mdoc->meta.title)
164: free(mdoc->meta.title);
165: if (mdoc->meta.os)
166: free(mdoc->meta.os);
167: if (mdoc->meta.name)
168: free(mdoc->meta.name);
1.52 kristaps 169: if (mdoc->meta.arch)
170: free(mdoc->meta.arch);
171: if (mdoc->meta.vol)
172: free(mdoc->meta.vol);
1.34 kristaps 173:
1.68 ! kristaps 174: if (mdoc->htab)
! 175: mdoc_tokhash_free(mdoc->htab);
! 176:
1.1 kristaps 177: free(mdoc);
178: }
179:
180:
181: struct mdoc *
1.55 kristaps 182: mdoc_alloc(void *data, int pflags, const struct mdoc_cb *cb)
1.1 kristaps 183: {
184: struct mdoc *p;
185:
186: p = xcalloc(1, sizeof(struct mdoc));
187:
188: p->data = data;
1.33 kristaps 189: if (cb)
190: (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
1.1 kristaps 191:
1.67 kristaps 192: p->last = p->first =
193: xcalloc(1, sizeof(struct mdoc_node));
1.25 kristaps 194: p->last->type = MDOC_ROOT;
1.55 kristaps 195: p->pflags = pflags;
1.25 kristaps 196: p->next = MDOC_NEXT_CHILD;
1.4 kristaps 197: p->htab = mdoc_tokhash_alloc();
1.1 kristaps 198: return(p);
199: }
200:
201:
1.68 ! kristaps 202: /*
! 203: * Climb back up the parse tree, validating open scopes. Mostly calls
! 204: * through to macro_end in macro.c.
! 205: */
1.1 kristaps 206: int
1.20 kristaps 207: mdoc_endparse(struct mdoc *mdoc)
208: {
209:
210: if (MDOC_HALT & mdoc->flags)
211: return(0);
212: if (NULL == mdoc->first)
213: return(1);
214:
215: assert(mdoc->last);
216: if ( ! macro_end(mdoc)) {
217: mdoc->flags |= MDOC_HALT;
218: return(0);
219: }
220: return(1);
221: }
222:
223:
1.50 kristaps 224: /*
1.53 kristaps 225: * Main parse routine. Parses a single line -- really just hands off to
226: * the macro or text parser.
1.50 kristaps 227: */
1.20 kristaps 228: int
1.53 kristaps 229: mdoc_parseln(struct mdoc *m, int ln, char *buf)
1.1 kristaps 230: {
231:
1.53 kristaps 232: /* If in error-mode, then we parse no more. */
1.50 kristaps 233:
1.53 kristaps 234: if (MDOC_HALT & m->flags)
1.20 kristaps 235: return(0);
1.50 kristaps 236:
1.53 kristaps 237: return('.' == *buf ? parsemacro(m, ln, buf) :
238: parsetext(m, ln, buf));
1.1 kristaps 239: }
240:
241:
242: void
1.31 kristaps 243: mdoc_vmsg(struct mdoc *mdoc, int ln, int pos, const char *fmt, ...)
1.1 kristaps 244: {
1.31 kristaps 245: char buf[256];
1.23 kristaps 246: va_list ap;
1.1 kristaps 247:
248: if (NULL == mdoc->cb.mdoc_msg)
249: return;
250:
251: va_start(ap, fmt);
1.31 kristaps 252: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
1.1 kristaps 253: va_end(ap);
1.31 kristaps 254: (*mdoc->cb.mdoc_msg)(mdoc->data, ln, pos, buf);
1.1 kristaps 255: }
256:
257:
258: int
1.31 kristaps 259: mdoc_verr(struct mdoc *mdoc, int ln, int pos,
260: const char *fmt, ...)
1.1 kristaps 261: {
1.31 kristaps 262: char buf[256];
263: va_list ap;
1.1 kristaps 264:
265: if (NULL == mdoc->cb.mdoc_err)
266: return(0);
1.31 kristaps 267:
268: va_start(ap, fmt);
269: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
270: va_end(ap);
271: return((*mdoc->cb.mdoc_err)(mdoc->data, ln, pos, buf));
1.1 kristaps 272: }
273:
274:
275: int
1.31 kristaps 276: mdoc_vwarn(struct mdoc *mdoc, int ln, int pos,
277: enum mdoc_warn type, const char *fmt, ...)
1.1 kristaps 278: {
1.31 kristaps 279: char buf[256];
280: va_list ap;
1.1 kristaps 281:
282: if (NULL == mdoc->cb.mdoc_warn)
283: return(0);
1.31 kristaps 284:
285: va_start(ap, fmt);
286: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
287: va_end(ap);
288: return((*mdoc->cb.mdoc_warn)(mdoc->data, ln, pos, type, buf));
1.1 kristaps 289: }
290:
291:
292: int
1.53 kristaps 293: mdoc_macro(struct mdoc *m, int tok,
294: int ln, int pp, int *pos, char *buf)
1.1 kristaps 295: {
296:
1.53 kristaps 297: /* FIXME - these should happen during validation. */
1.31 kristaps 298:
1.44 kristaps 299: if (MDOC_PROLOGUE & mdoc_macros[tok].flags &&
1.53 kristaps 300: SEC_PROLOGUE != m->lastnamed)
301: return(mdoc_perr(m, ln, pp,
302: "disallowed in document body"));
303:
1.44 kristaps 304: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
1.53 kristaps 305: SEC_PROLOGUE == m->lastnamed)
306: return(mdoc_perr(m, ln, pp,
307: "disallowed in prologue"));
308:
309: if (1 != pp && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
1.64 kristaps 310: return(mdoc_perr(m, ln, pp, "%s not callable",
311: mdoc_macronames[tok]));
1.53 kristaps 312:
313: return((*mdoc_macros[tok].fp)(m, tok, ln, pp, pos, buf));
1.1 kristaps 314: }
315:
316:
1.23 kristaps 317: static int
318: mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
1.1 kristaps 319: {
320:
1.25 kristaps 321: assert(mdoc->last);
322: assert(mdoc->first);
323: assert(MDOC_ROOT != p->type);
1.1 kristaps 324:
1.13 kristaps 325: switch (mdoc->next) {
326: case (MDOC_NEXT_SIBLING):
1.6 kristaps 327: mdoc->last->next = p;
328: p->prev = mdoc->last;
1.13 kristaps 329: p->parent = mdoc->last->parent;
1.1 kristaps 330: break;
1.13 kristaps 331: case (MDOC_NEXT_CHILD):
332: mdoc->last->child = p;
1.1 kristaps 333: p->parent = mdoc->last;
334: break;
335: default:
1.13 kristaps 336: abort();
337: /* NOTREACHED */
1.1 kristaps 338: }
339:
1.23 kristaps 340: if ( ! mdoc_valid_pre(mdoc, p))
341: return(0);
1.68 ! kristaps 342: if ( ! mdoc_action_pre(mdoc, p))
! 343: return(0);
1.27 kristaps 344:
345: switch (p->type) {
346: case (MDOC_HEAD):
347: assert(MDOC_BLOCK == p->parent->type);
1.53 kristaps 348: p->parent->head = p;
1.27 kristaps 349: break;
350: case (MDOC_TAIL):
351: assert(MDOC_BLOCK == p->parent->type);
1.53 kristaps 352: p->parent->tail = p;
1.27 kristaps 353: break;
354: case (MDOC_BODY):
355: assert(MDOC_BLOCK == p->parent->type);
1.53 kristaps 356: p->parent->body = p;
1.27 kristaps 357: break;
358: default:
359: break;
360: }
361:
1.1 kristaps 362: mdoc->last = p;
1.23 kristaps 363: return(1);
1.1 kristaps 364: }
365:
366:
1.45 kristaps 367: static struct mdoc_node *
1.46 kristaps 368: mdoc_node_alloc(const struct mdoc *mdoc)
1.45 kristaps 369: {
1.46 kristaps 370: struct mdoc_node *p;
371:
372: p = xcalloc(1, sizeof(struct mdoc_node));
373: p->sec = mdoc->lastsec;
1.45 kristaps 374:
1.46 kristaps 375: return(p);
1.45 kristaps 376: }
377:
378:
1.23 kristaps 379: int
1.22 kristaps 380: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 381: {
382: struct mdoc_node *p;
383:
384: assert(mdoc->first);
385: assert(mdoc->last);
386:
1.46 kristaps 387: p = mdoc_node_alloc(mdoc);
1.17 kristaps 388:
1.22 kristaps 389: p->line = line;
390: p->pos = pos;
1.17 kristaps 391: p->type = MDOC_TAIL;
1.27 kristaps 392: p->tok = tok;
1.17 kristaps 393:
1.23 kristaps 394: return(mdoc_node_append(mdoc, p));
1.17 kristaps 395: }
396:
397:
1.23 kristaps 398: int
1.22 kristaps 399: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 400: {
401: struct mdoc_node *p;
402:
403: assert(mdoc->first);
404: assert(mdoc->last);
405:
1.46 kristaps 406: p = mdoc_node_alloc(mdoc);
1.13 kristaps 407:
1.22 kristaps 408: p->line = line;
409: p->pos = pos;
1.1 kristaps 410: p->type = MDOC_HEAD;
1.27 kristaps 411: p->tok = tok;
1.1 kristaps 412:
1.23 kristaps 413: return(mdoc_node_append(mdoc, p));
1.1 kristaps 414: }
415:
416:
1.23 kristaps 417: int
1.22 kristaps 418: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 419: {
420: struct mdoc_node *p;
421:
422: assert(mdoc->first);
423: assert(mdoc->last);
424:
1.46 kristaps 425: p = mdoc_node_alloc(mdoc);
1.1 kristaps 426:
1.22 kristaps 427: p->line = line;
428: p->pos = pos;
1.1 kristaps 429: p->type = MDOC_BODY;
1.27 kristaps 430: p->tok = tok;
1.1 kristaps 431:
1.23 kristaps 432: return(mdoc_node_append(mdoc, p));
1.1 kristaps 433: }
434:
435:
1.23 kristaps 436: int
1.25 kristaps 437: mdoc_root_alloc(struct mdoc *mdoc)
438: {
439: struct mdoc_node *p;
440:
1.46 kristaps 441: p = mdoc_node_alloc(mdoc);
1.25 kristaps 442:
443: p->type = MDOC_ROOT;
444:
445: return(mdoc_node_append(mdoc, p));
446: }
447:
448:
449: int
1.22 kristaps 450: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
1.53 kristaps 451: int tok, struct mdoc_arg *args)
1.1 kristaps 452: {
453: struct mdoc_node *p;
454:
1.46 kristaps 455: p = mdoc_node_alloc(mdoc);
1.1 kristaps 456:
1.22 kristaps 457: p->pos = pos;
458: p->line = line;
1.1 kristaps 459: p->type = MDOC_BLOCK;
1.27 kristaps 460: p->tok = tok;
1.53 kristaps 461: p->args = args;
462:
463: if (args)
464: (args->refcnt)++;
1.1 kristaps 465:
1.23 kristaps 466: return(mdoc_node_append(mdoc, p));
1.1 kristaps 467: }
468:
469:
1.23 kristaps 470: int
1.22 kristaps 471: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
1.53 kristaps 472: int tok, struct mdoc_arg *args)
1.1 kristaps 473: {
474: struct mdoc_node *p;
475:
1.46 kristaps 476: p = mdoc_node_alloc(mdoc);
1.22 kristaps 477:
478: p->line = line;
479: p->pos = pos;
1.1 kristaps 480: p->type = MDOC_ELEM;
1.27 kristaps 481: p->tok = tok;
1.53 kristaps 482: p->args = args;
483:
484: if (args)
485: (args->refcnt)++;
1.1 kristaps 486:
1.23 kristaps 487: return(mdoc_node_append(mdoc, p));
1.1 kristaps 488: }
489:
490:
1.23 kristaps 491: int
1.22 kristaps 492: mdoc_word_alloc(struct mdoc *mdoc,
493: int line, int pos, const char *word)
1.1 kristaps 494: {
495: struct mdoc_node *p;
496:
1.46 kristaps 497: p = mdoc_node_alloc(mdoc);
1.45 kristaps 498:
1.22 kristaps 499: p->line = line;
500: p->pos = pos;
1.1 kristaps 501: p->type = MDOC_TEXT;
1.53 kristaps 502: p->string = xstrdup(word);
1.1 kristaps 503:
1.23 kristaps 504: return(mdoc_node_append(mdoc, p));
1.1 kristaps 505: }
506:
507:
1.53 kristaps 508: void
509: mdoc_node_free(struct mdoc_node *p)
1.1 kristaps 510: {
511:
1.53 kristaps 512: if (p->string)
513: free(p->string);
514: if (p->args)
515: mdoc_argv_free(p->args);
1.1 kristaps 516: free(p);
517: }
518:
519:
1.53 kristaps 520: void
521: mdoc_node_freelist(struct mdoc_node *p)
1.1 kristaps 522: {
523:
1.53 kristaps 524: if (p->child)
525: mdoc_node_freelist(p->child);
526: if (p->next)
527: mdoc_node_freelist(p->next);
1.1 kristaps 528:
1.53 kristaps 529: mdoc_node_free(p);
1.1 kristaps 530: }
531:
532:
1.53 kristaps 533: /*
534: * Parse free-form text, that is, a line that does not begin with the
535: * control character.
536: */
537: static int
1.68 ! kristaps 538: parsetext(struct mdoc *m, int line, char *buf)
1.1 kristaps 539: {
540:
1.68 ! kristaps 541: if (SEC_PROLOGUE == m->lastnamed)
! 542: return(mdoc_perr(m, line, 0,
1.53 kristaps 543: "text disallowed in prologue"));
1.1 kristaps 544:
1.68 ! kristaps 545: if (0 == buf[0] && ! (MDOC_LITERAL & m->flags))
! 546: return(mdoc_perr(m, line, 0,
! 547: "blank lines only in literal context"));
! 548:
! 549: if ( ! mdoc_word_alloc(m, line, 0, buf))
1.53 kristaps 550: return(0);
1.1 kristaps 551:
1.68 ! kristaps 552: m->next = MDOC_NEXT_SIBLING;
1.53 kristaps 553: return(1);
1.1 kristaps 554: }
555:
556:
1.58 kristaps 557: static int
558: macrowarn(struct mdoc *m, int ln, const char *buf)
559: {
560: if ( ! (MDOC_IGN_MACRO & m->pflags))
561: return(mdoc_perr(m, ln, 1, "unknown macro: %s%s",
1.59 kristaps 562: buf, strlen(buf) > 3 ? "..." : ""));
1.58 kristaps 563: return(mdoc_pwarn(m, ln, 1, WARN_SYNTAX,
564: "unknown macro: %s%s",
1.59 kristaps 565: buf, strlen(buf) > 3 ? "..." : ""));
1.58 kristaps 566: }
567:
568:
569:
1.53 kristaps 570: /*
571: * Parse a macro line, that is, a line beginning with the control
572: * character.
573: */
574: int
575: parsemacro(struct mdoc *m, int ln, char *buf)
1.1 kristaps 576: {
1.53 kristaps 577: int i, c;
578: char mac[5];
1.1 kristaps 579:
1.63 kristaps 580: /* Comments and empties are quickly ignored. */
581:
582: if (0 == buf[1])
583: return(1);
584:
1.65 kristaps 585: if (' ' == buf[1]) {
1.63 kristaps 586: i = 2;
1.65 kristaps 587: while (buf[i] && ' ' == buf[i])
1.63 kristaps 588: i++;
589: if (0 == buf[i])
590: return(1);
591: return(mdoc_perr(m, ln, 1, "invalid syntax"));
592: }
1.1 kristaps 593:
1.53 kristaps 594: if (buf[1] && '\\' == buf[1])
595: if (buf[2] && '\"' == buf[2])
596: return(1);
1.1 kristaps 597:
1.53 kristaps 598: /* Copy the first word into a nil-terminated buffer. */
1.1 kristaps 599:
1.53 kristaps 600: for (i = 1; i < 5; i++) {
601: if (0 == (mac[i - 1] = buf[i]))
602: break;
1.65 kristaps 603: else if (' ' == buf[i])
1.53 kristaps 604: break;
605: }
1.1 kristaps 606:
1.53 kristaps 607: mac[i - 1] = 0;
1.1 kristaps 608:
1.53 kristaps 609: if (i == 5 || i <= 2) {
1.58 kristaps 610: if ( ! macrowarn(m, ln, mac))
611: goto err;
612: return(1);
1.53 kristaps 613: }
614:
615: if (MDOC_MAX == (c = mdoc_tokhash_find(m->htab, mac))) {
1.58 kristaps 616: if ( ! macrowarn(m, ln, mac))
617: goto err;
618: return(1);
1.53 kristaps 619: }
1.1 kristaps 620:
1.53 kristaps 621: /* The macro is sane. Jump to the next word. */
1.1 kristaps 622:
1.65 kristaps 623: while (buf[i] && ' ' == buf[i])
1.53 kristaps 624: i++;
1.1 kristaps 625:
1.53 kristaps 626: /* Begin recursive parse sequence. */
1.1 kristaps 627:
1.53 kristaps 628: if ( ! mdoc_macro(m, c, ln, 1, &i, buf))
629: goto err;
1.1 kristaps 630:
1.68 ! kristaps 631: /*
! 632: * If we're in literal mode, then add a newline to the end of
! 633: * macro lines. Our frontends will interpret this correctly
! 634: * (it's documented in mdoc.3).
! 635: */
! 636:
1.53 kristaps 637: return(1);
1.1 kristaps 638:
1.53 kristaps 639: err: /* Error out. */
1.1 kristaps 640:
1.53 kristaps 641: m->flags |= MDOC_HALT;
642: return(0);
1.1 kristaps 643: }
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