Annotation of mandoc/man.c, Revision 1.123
1.123 ! schwarze 1: /* $Id: man.c,v 1.122 2013/12/31 23:23:10 schwarze Exp $ */
1.1 kristaps 2: /*
1.102 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.123 ! schwarze 4: * Copyright (c) 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.18 kristaps 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.18 kristaps 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
1.47 kristaps 18: #ifdef HAVE_CONFIG_H
19: #include "config.h"
20: #endif
21:
1.41 kristaps 22: #include <sys/types.h>
23:
1.1 kristaps 24: #include <assert.h>
25: #include <stdarg.h>
26: #include <stdlib.h>
27: #include <stdio.h>
28: #include <string.h>
29:
1.105 kristaps 30: #include "man.h"
1.74 kristaps 31: #include "mandoc.h"
1.1 kristaps 32: #include "libman.h"
1.45 kristaps 33: #include "libmandoc.h"
1.1 kristaps 34:
35: const char *const __man_macronames[MAN_MAX] = {
1.21 kristaps 36: "br", "TH", "SH", "SS",
1.1 kristaps 37: "TP", "LP", "PP", "P",
38: "IP", "HP", "SM", "SB",
39: "BI", "IB", "BR", "RB",
1.11 kristaps 40: "R", "B", "I", "IR",
1.92 kristaps 41: "RI", "na", "sp", "nf",
42: "fi", "RE", "RS", "DT",
43: "UC", "PD", "AT", "in",
1.120 schwarze 44: "ft", "OP", "EX", "EE",
45: "UR", "UE"
1.1 kristaps 46: };
47:
48: const char * const *man_macronames = __man_macronames;
49:
1.97 kristaps 50: static struct man_node *man_node_alloc(struct man *, int, int,
1.53 kristaps 51: enum man_type, enum mant);
1.1 kristaps 52: static int man_node_append(struct man *,
53: struct man_node *);
1.54 kristaps 54: static void man_node_free(struct man_node *);
55: static void man_node_unlink(struct man *,
56: struct man_node *);
1.72 kristaps 57: static int man_ptext(struct man *, int, char *, int);
1.79 kristaps 58: static int man_pmacro(struct man *, int, char *, int);
1.2 kristaps 59: static void man_free1(struct man *);
1.45 kristaps 60: static void man_alloc1(struct man *);
1.94 kristaps 61: static int man_descope(struct man *, int, int);
1.1 kristaps 62:
63:
64: const struct man_node *
1.119 schwarze 65: man_node(const struct man *man)
1.1 kristaps 66: {
67:
1.119 schwarze 68: assert( ! (MAN_HALT & man->flags));
69: return(man->first);
1.1 kristaps 70: }
71:
72:
73: const struct man_meta *
1.119 schwarze 74: man_meta(const struct man *man)
1.1 kristaps 75: {
76:
1.119 schwarze 77: assert( ! (MAN_HALT & man->flags));
78: return(&man->meta);
1.1 kristaps 79: }
80:
81:
1.45 kristaps 82: void
1.1 kristaps 83: man_reset(struct man *man)
84: {
85:
1.2 kristaps 86: man_free1(man);
1.45 kristaps 87: man_alloc1(man);
1.1 kristaps 88: }
89:
90:
91: void
92: man_free(struct man *man)
93: {
94:
1.2 kristaps 95: man_free1(man);
1.1 kristaps 96: free(man);
97: }
98:
99:
100: struct man *
1.123 ! schwarze 101: man_alloc(struct roff *roff, struct mparse *parse, int quick)
1.1 kristaps 102: {
103: struct man *p;
104:
1.45 kristaps 105: p = mandoc_calloc(1, sizeof(struct man));
1.2 kristaps 106:
1.40 kristaps 107: man_hash_init();
1.104 kristaps 108: p->parse = parse;
1.123 ! schwarze 109: p->quick = quick;
1.108 kristaps 110: p->roff = roff;
1.45 kristaps 111:
112: man_alloc1(p);
1.1 kristaps 113: return(p);
114: }
115:
116:
117: int
1.119 schwarze 118: man_endparse(struct man *man)
1.1 kristaps 119: {
120:
1.119 schwarze 121: assert( ! (MAN_HALT & man->flags));
122: if (man_macroend(man))
1.3 kristaps 123: return(1);
1.119 schwarze 124: man->flags |= MAN_HALT;
1.3 kristaps 125: return(0);
1.1 kristaps 126: }
127:
128:
129: int
1.119 schwarze 130: man_parseln(struct man *man, int ln, char *buf, int offs)
1.1 kristaps 131: {
132:
1.119 schwarze 133: man->flags |= MAN_NEWLINE;
1.97 kristaps 134:
1.119 schwarze 135: assert( ! (MAN_HALT & man->flags));
1.107 kristaps 136:
1.119 schwarze 137: return (roff_getcontrol(man->roff, buf, &offs) ?
138: man_pmacro(man, ln, buf, offs) :
139: man_ptext(man, ln, buf, offs));
1.1 kristaps 140: }
141:
142:
1.2 kristaps 143: static void
144: man_free1(struct man *man)
145: {
146:
147: if (man->first)
1.54 kristaps 148: man_node_delete(man, man->first);
1.2 kristaps 149: if (man->meta.title)
150: free(man->meta.title);
1.6 kristaps 151: if (man->meta.source)
152: free(man->meta.source);
1.102 schwarze 153: if (man->meta.date)
154: free(man->meta.date);
1.2 kristaps 155: if (man->meta.vol)
156: free(man->meta.vol);
1.68 kristaps 157: if (man->meta.msec)
158: free(man->meta.msec);
1.2 kristaps 159: }
160:
161:
1.45 kristaps 162: static void
1.119 schwarze 163: man_alloc1(struct man *man)
1.2 kristaps 164: {
165:
1.119 schwarze 166: memset(&man->meta, 0, sizeof(struct man_meta));
167: man->flags = 0;
168: man->last = mandoc_calloc(1, sizeof(struct man_node));
169: man->first = man->last;
170: man->last->type = MAN_ROOT;
171: man->last->tok = MAN_MAX;
172: man->next = MAN_NEXT_CHILD;
1.2 kristaps 173: }
174:
175:
1.1 kristaps 176: static int
177: man_node_append(struct man *man, struct man_node *p)
178: {
179:
180: assert(man->last);
181: assert(man->first);
182: assert(MAN_ROOT != p->type);
183:
184: switch (man->next) {
185: case (MAN_NEXT_SIBLING):
186: man->last->next = p;
187: p->prev = man->last;
188: p->parent = man->last->parent;
189: break;
190: case (MAN_NEXT_CHILD):
191: man->last->child = p;
192: p->parent = man->last;
193: break;
194: default:
195: abort();
196: /* NOTREACHED */
197: }
1.22 kristaps 198:
1.54 kristaps 199: assert(p->parent);
1.22 kristaps 200: p->parent->nchild++;
1.1 kristaps 201:
1.29 kristaps 202: if ( ! man_valid_pre(man, p))
203: return(0);
204:
205: switch (p->type) {
206: case (MAN_HEAD):
207: assert(MAN_BLOCK == p->parent->type);
208: p->parent->head = p;
209: break;
1.106 kristaps 210: case (MAN_TAIL):
211: assert(MAN_BLOCK == p->parent->type);
212: p->parent->tail = p;
213: break;
1.29 kristaps 214: case (MAN_BODY):
215: assert(MAN_BLOCK == p->parent->type);
216: p->parent->body = p;
217: break;
218: default:
219: break;
220: }
221:
1.2 kristaps 222: man->last = p;
223:
1.1 kristaps 224: switch (p->type) {
1.94 kristaps 225: case (MAN_TBL):
226: /* FALLTHROUGH */
1.2 kristaps 227: case (MAN_TEXT):
228: if ( ! man_valid_post(man))
229: return(0);
1.1 kristaps 230: break;
231: default:
232: break;
233: }
234:
235: return(1);
236: }
237:
238:
239: static struct man_node *
1.119 schwarze 240: man_node_alloc(struct man *man, int line, int pos,
1.97 kristaps 241: enum man_type type, enum mant tok)
1.1 kristaps 242: {
243: struct man_node *p;
244:
1.45 kristaps 245: p = mandoc_calloc(1, sizeof(struct man_node));
1.1 kristaps 246: p->line = line;
247: p->pos = pos;
248: p->type = type;
1.16 kristaps 249: p->tok = tok;
1.97 kristaps 250:
1.119 schwarze 251: if (MAN_NEWLINE & man->flags)
1.97 kristaps 252: p->flags |= MAN_LINE;
1.119 schwarze 253: man->flags &= ~MAN_NEWLINE;
1.1 kristaps 254: return(p);
255: }
256:
257:
258: int
1.119 schwarze 259: man_elem_alloc(struct man *man, int line, int pos, enum mant tok)
1.1 kristaps 260: {
261: struct man_node *p;
262:
1.119 schwarze 263: p = man_node_alloc(man, line, pos, MAN_ELEM, tok);
264: if ( ! man_node_append(man, p))
1.106 kristaps 265: return(0);
1.119 schwarze 266: man->next = MAN_NEXT_CHILD;
1.106 kristaps 267: return(1);
268: }
269:
270:
271: int
1.119 schwarze 272: man_tail_alloc(struct man *man, int line, int pos, enum mant tok)
1.106 kristaps 273: {
274: struct man_node *p;
275:
1.119 schwarze 276: p = man_node_alloc(man, line, pos, MAN_TAIL, tok);
277: if ( ! man_node_append(man, p))
1.30 kristaps 278: return(0);
1.119 schwarze 279: man->next = MAN_NEXT_CHILD;
1.30 kristaps 280: return(1);
1.1 kristaps 281: }
282:
283:
284: int
1.119 schwarze 285: man_head_alloc(struct man *man, int line, int pos, enum mant tok)
1.29 kristaps 286: {
287: struct man_node *p;
288:
1.119 schwarze 289: p = man_node_alloc(man, line, pos, MAN_HEAD, tok);
290: if ( ! man_node_append(man, p))
1.29 kristaps 291: return(0);
1.119 schwarze 292: man->next = MAN_NEXT_CHILD;
1.29 kristaps 293: return(1);
294: }
295:
296:
297: int
1.119 schwarze 298: man_body_alloc(struct man *man, int line, int pos, enum mant tok)
1.29 kristaps 299: {
300: struct man_node *p;
301:
1.119 schwarze 302: p = man_node_alloc(man, line, pos, MAN_BODY, tok);
303: if ( ! man_node_append(man, p))
1.29 kristaps 304: return(0);
1.119 schwarze 305: man->next = MAN_NEXT_CHILD;
1.29 kristaps 306: return(1);
307: }
308:
309:
310: int
1.119 schwarze 311: man_block_alloc(struct man *man, int line, int pos, enum mant tok)
1.29 kristaps 312: {
313: struct man_node *p;
314:
1.119 schwarze 315: p = man_node_alloc(man, line, pos, MAN_BLOCK, tok);
316: if ( ! man_node_append(man, p))
1.29 kristaps 317: return(0);
1.119 schwarze 318: man->next = MAN_NEXT_CHILD;
1.29 kristaps 319: return(1);
320: }
321:
1.61 kristaps 322: int
1.119 schwarze 323: man_word_alloc(struct man *man, int line, int pos, const char *word)
1.1 kristaps 324: {
1.31 kristaps 325: struct man_node *n;
1.1 kristaps 326:
1.119 schwarze 327: n = man_node_alloc(man, line, pos, MAN_TEXT, MAN_MAX);
328: n->string = roff_strdup(man->roff, word);
1.31 kristaps 329:
1.119 schwarze 330: if ( ! man_node_append(man, n))
1.30 kristaps 331: return(0);
1.61 kristaps 332:
1.119 schwarze 333: man->next = MAN_NEXT_SIBLING;
1.30 kristaps 334: return(1);
1.1 kristaps 335: }
336:
337:
1.54 kristaps 338: /*
339: * Free all of the resources held by a node. This does NOT unlink a
340: * node from its context; for that, see man_node_unlink().
341: */
342: static void
1.1 kristaps 343: man_node_free(struct man_node *p)
344: {
345:
346: if (p->string)
347: free(p->string);
348: free(p);
349: }
350:
351:
352: void
1.119 schwarze 353: man_node_delete(struct man *man, struct man_node *p)
1.1 kristaps 354: {
355:
1.54 kristaps 356: while (p->child)
1.119 schwarze 357: man_node_delete(man, p->child);
1.54 kristaps 358:
1.119 schwarze 359: man_node_unlink(man, p);
1.1 kristaps 360: man_node_free(p);
361: }
362:
1.101 kristaps 363: int
1.119 schwarze 364: man_addeqn(struct man *man, const struct eqn *ep)
1.101 kristaps 365: {
366: struct man_node *n;
367:
1.119 schwarze 368: assert( ! (MAN_HALT & man->flags));
1.101 kristaps 369:
1.119 schwarze 370: n = man_node_alloc(man, ep->ln, ep->pos, MAN_EQN, MAN_MAX);
1.101 kristaps 371: n->eqn = ep;
372:
1.119 schwarze 373: if ( ! man_node_append(man, n))
1.101 kristaps 374: return(0);
375:
1.119 schwarze 376: man->next = MAN_NEXT_SIBLING;
377: return(man_descope(man, ep->ln, ep->pos));
1.101 kristaps 378: }
1.1 kristaps 379:
1.94 kristaps 380: int
1.119 schwarze 381: man_addspan(struct man *man, const struct tbl_span *sp)
1.94 kristaps 382: {
1.100 kristaps 383: struct man_node *n;
1.94 kristaps 384:
1.119 schwarze 385: assert( ! (MAN_HALT & man->flags));
1.100 kristaps 386:
1.119 schwarze 387: n = man_node_alloc(man, sp->line, 0, MAN_TBL, MAN_MAX);
1.100 kristaps 388: n->span = sp;
389:
1.119 schwarze 390: if ( ! man_node_append(man, n))
1.94 kristaps 391: return(0);
1.100 kristaps 392:
1.119 schwarze 393: man->next = MAN_NEXT_SIBLING;
394: return(man_descope(man, sp->line, 0));
1.94 kristaps 395: }
396:
397: static int
1.119 schwarze 398: man_descope(struct man *man, int line, int offs)
1.94 kristaps 399: {
400: /*
401: * Co-ordinate what happens with having a next-line scope open:
402: * first close out the element scope (if applicable), then close
403: * out the block scope (also if applicable).
404: */
405:
1.119 schwarze 406: if (MAN_ELINE & man->flags) {
407: man->flags &= ~MAN_ELINE;
408: if ( ! man_unscope(man, man->last->parent, MANDOCERR_MAX))
1.94 kristaps 409: return(0);
410: }
411:
1.119 schwarze 412: if ( ! (MAN_BLINE & man->flags))
1.94 kristaps 413: return(1);
1.119 schwarze 414: man->flags &= ~MAN_BLINE;
1.94 kristaps 415:
1.119 schwarze 416: if ( ! man_unscope(man, man->last->parent, MANDOCERR_MAX))
1.94 kristaps 417: return(0);
1.119 schwarze 418: return(man_body_alloc(man, line, offs, man->last->tok));
1.94 kristaps 419: }
420:
1.1 kristaps 421: static int
1.119 schwarze 422: man_ptext(struct man *man, int line, char *buf, int offs)
1.1 kristaps 423: {
1.61 kristaps 424: int i;
1.60 kristaps 425:
1.35 kristaps 426: /* Literal free-form text whitespace is preserved. */
427:
1.119 schwarze 428: if (MAN_LITERAL & man->flags) {
429: if ( ! man_word_alloc(man, line, offs, buf + offs))
1.35 kristaps 430: return(0);
1.119 schwarze 431: return(man_descope(man, line, offs));
1.35 kristaps 432: }
433:
1.72 kristaps 434: for (i = offs; ' ' == buf[i]; i++)
1.31 kristaps 435: /* Skip leading whitespace. */ ;
1.48 kristaps 436:
1.121 schwarze 437: /*
438: * Blank lines are ignored right after headings
439: * but add a single vertical space elsewhere.
440: */
441:
1.49 kristaps 442: if ('\0' == buf[i]) {
1.61 kristaps 443: /* Allocate a blank entry. */
1.121 schwarze 444: if (MAN_SH != man->last->tok &&
445: MAN_SS != man->last->tok) {
446: if ( ! man_elem_alloc(man, line, offs, MAN_sp))
447: return(0);
448: man->next = MAN_NEXT_SIBLING;
449: }
1.118 schwarze 450: return(1);
1.31 kristaps 451: }
452:
1.63 kristaps 453: /*
454: * Warn if the last un-escaped character is whitespace. Then
455: * strip away the remaining spaces (tabs stay!).
456: */
1.29 kristaps 457:
1.61 kristaps 458: i = (int)strlen(buf);
459: assert(i);
1.49 kristaps 460:
1.63 kristaps 461: if (' ' == buf[i - 1] || '\t' == buf[i - 1]) {
1.64 kristaps 462: if (i > 1 && '\\' != buf[i - 2])
1.119 schwarze 463: man_pmsg(man, line, i - 1, MANDOCERR_EOLNSPACE);
1.63 kristaps 464:
465: for (--i; i && ' ' == buf[i]; i--)
466: /* Spin back to non-space. */ ;
467:
468: /* Jump ahead of escaped whitespace. */
469: i += '\\' == buf[i] ? 2 : 1;
470:
471: buf[i] = '\0';
472: }
1.49 kristaps 473:
1.119 schwarze 474: if ( ! man_word_alloc(man, line, offs, buf + offs))
1.1 kristaps 475: return(0);
1.65 kristaps 476:
477: /*
478: * End-of-sentence check. If the last character is an unescaped
479: * EOS character, then flag the node as being the end of a
480: * sentence. The front-end will know how to interpret this.
481: */
1.67 kristaps 482:
1.65 kristaps 483: assert(i);
1.122 schwarze 484: if (mandoc_eos(buf, (size_t)i))
1.119 schwarze 485: man->last->flags |= MAN_EOS;
1.31 kristaps 486:
1.119 schwarze 487: return(man_descope(man, line, offs));
1.1 kristaps 488: }
489:
1.96 kristaps 490: static int
1.119 schwarze 491: man_pmacro(struct man *man, int ln, char *buf, int offs)
1.1 kristaps 492: {
1.107 kristaps 493: int i, ppos;
1.53 kristaps 494: enum mant tok;
1.34 kristaps 495: char mac[5];
496: struct man_node *n;
1.1 kristaps 497:
1.107 kristaps 498: if ('"' == buf[offs]) {
1.119 schwarze 499: man_pmsg(man, ln, offs, MANDOCERR_BADCOMMENT);
1.107 kristaps 500: return(1);
501: } else if ('\0' == buf[offs])
1.46 kristaps 502: return(1);
1.1 kristaps 503:
1.107 kristaps 504: ppos = offs;
1.9 kristaps 505:
1.56 kristaps 506: /*
1.107 kristaps 507: * Copy the first word into a nil-terminated buffer.
508: * Stop copying when a tab, space, or eoln is encountered.
1.56 kristaps 509: */
1.62 kristaps 510:
1.107 kristaps 511: i = 0;
512: while (i < 4 && '\0' != buf[offs] &&
513: ' ' != buf[offs] && '\t' != buf[offs])
514: mac[i++] = buf[offs++];
1.10 kristaps 515:
1.107 kristaps 516: mac[i] = '\0';
1.1 kristaps 517:
1.107 kristaps 518: tok = (i > 0 && i < 4) ? man_hash_find(mac) : MAN_MAX;
1.1 kristaps 519:
1.87 schwarze 520: if (MAN_MAX == tok) {
1.119 schwarze 521: mandoc_vmsg(MANDOCERR_MACRO, man->parse, ln,
1.104 kristaps 522: ppos, "%s", buf + ppos - 1);
1.12 kristaps 523: return(1);
1.1 kristaps 524: }
525:
526: /* The macro is sane. Jump to the next word. */
527:
1.107 kristaps 528: while (buf[offs] && ' ' == buf[offs])
529: offs++;
1.1 kristaps 530:
1.62 kristaps 531: /*
532: * Trailing whitespace. Note that tabs are allowed to be passed
533: * into the parser as "text", so we only warn about spaces here.
534: */
1.48 kristaps 535:
1.107 kristaps 536: if ('\0' == buf[offs] && ' ' == buf[offs - 1])
1.119 schwarze 537: man_pmsg(man, ln, offs - 1, MANDOCERR_EOLNSPACE);
1.48 kristaps 538:
1.50 kristaps 539: /*
1.90 kristaps 540: * Remove prior ELINE macro, as it's being clobbered by a new
1.51 kristaps 541: * macro. Note that NSCOPED macros do not close out ELINE
542: * macros---they don't print text---so we let those slip by.
1.50 kristaps 543: */
1.34 kristaps 544:
1.53 kristaps 545: if ( ! (MAN_NSCOPED & man_macros[tok].flags) &&
1.119 schwarze 546: man->flags & MAN_ELINE) {
547: n = man->last;
1.90 kristaps 548: assert(MAN_TEXT != n->type);
1.51 kristaps 549:
1.90 kristaps 550: /* Remove repeated NSCOPED macros causing ELINE. */
1.51 kristaps 551:
1.90 kristaps 552: if (MAN_NSCOPED & man_macros[n->tok].flags)
553: n = n->parent;
1.51 kristaps 554:
1.119 schwarze 555: mandoc_vmsg(MANDOCERR_LINESCOPE, man->parse, n->line,
1.113 schwarze 556: n->pos, "%s breaks %s", man_macronames[tok],
557: man_macronames[n->tok]);
1.34 kristaps 558:
1.119 schwarze 559: man_node_delete(man, n);
560: man->flags &= ~MAN_ELINE;
1.113 schwarze 561: }
562:
563: /*
564: * Remove prior BLINE macro that is being clobbered.
565: */
1.119 schwarze 566: if ((man->flags & MAN_BLINE) &&
1.113 schwarze 567: (MAN_BSCOPE & man_macros[tok].flags)) {
1.119 schwarze 568: n = man->last;
1.114 joerg 569:
570: /* Might be a text node like 8 in
571: * .TP 8
572: * .SH foo
573: */
574: if (MAN_TEXT == n->type)
575: n = n->parent;
1.113 schwarze 576:
577: /* Remove element that didn't end BLINE, if any. */
578: if ( ! (MAN_BSCOPE & man_macros[n->tok].flags))
579: n = n->parent;
580:
581: assert(MAN_HEAD == n->type);
582: n = n->parent;
583: assert(MAN_BLOCK == n->type);
584: assert(MAN_SCOPED & man_macros[n->tok].flags);
585:
1.119 schwarze 586: mandoc_vmsg(MANDOCERR_LINESCOPE, man->parse, n->line,
1.113 schwarze 587: n->pos, "%s breaks %s", man_macronames[tok],
588: man_macronames[n->tok]);
589:
1.119 schwarze 590: man_node_delete(man, n);
591: man->flags &= ~MAN_BLINE;
1.34 kristaps 592: }
593:
1.59 kristaps 594: /*
595: * Save the fact that we're in the next-line for a block. In
596: * this way, embedded roff instructions can "remember" state
597: * when they exit.
598: */
599:
1.119 schwarze 600: if (MAN_BLINE & man->flags)
601: man->flags |= MAN_BPLINE;
1.59 kristaps 602:
603: /* Call to handler... */
1.1 kristaps 604:
1.53 kristaps 605: assert(man_macros[tok].fp);
1.119 schwarze 606: if ( ! (*man_macros[tok].fp)(man, tok, ln, ppos, &offs, buf))
1.1 kristaps 607: goto err;
1.123 ! schwarze 608:
! 609: /* In quick mode (for mandocdb), abort after the NAME section. */
! 610:
! 611: if (man->quick && MAN_SH == tok &&
! 612: strcmp(man->last->prev->child->string, "NAME"))
! 613: return(2);
1.1 kristaps 614:
1.50 kristaps 615: /*
616: * We weren't in a block-line scope when entering the
617: * above-parsed macro, so return.
618: */
619:
1.119 schwarze 620: if ( ! (MAN_BPLINE & man->flags)) {
621: man->flags &= ~MAN_ILINE;
1.29 kristaps 622: return(1);
1.50 kristaps 623: }
1.119 schwarze 624: man->flags &= ~MAN_BPLINE;
1.50 kristaps 625:
626: /*
627: * If we're in a block scope, then allow this macro to slip by
628: * without closing scope around it.
629: */
630:
1.119 schwarze 631: if (MAN_ILINE & man->flags) {
632: man->flags &= ~MAN_ILINE;
1.50 kristaps 633: return(1);
634: }
1.29 kristaps 635:
636: /*
637: * If we've opened a new next-line element scope, then return
638: * now, as the next line will close out the block scope.
639: */
640:
1.119 schwarze 641: if (MAN_ELINE & man->flags)
1.29 kristaps 642: return(1);
643:
644: /* Close out the block scope opened in the prior line. */
1.11 kristaps 645:
1.119 schwarze 646: assert(MAN_BLINE & man->flags);
647: man->flags &= ~MAN_BLINE;
1.11 kristaps 648:
1.119 schwarze 649: if ( ! man_unscope(man, man->last->parent, MANDOCERR_MAX))
1.29 kristaps 650: return(0);
1.119 schwarze 651: return(man_body_alloc(man, ln, ppos, man->last->tok));
1.1 kristaps 652:
653: err: /* Error out. */
654:
1.119 schwarze 655: man->flags |= MAN_HALT;
1.1 kristaps 656: return(0);
657: }
1.51 kristaps 658:
1.54 kristaps 659: /*
1.119 schwarze 660: * Unlink a node from its context. If "man" is provided, the last parse
1.54 kristaps 661: * point will also be adjusted accordingly.
662: */
663: static void
1.119 schwarze 664: man_node_unlink(struct man *man, struct man_node *n)
1.51 kristaps 665: {
666:
1.54 kristaps 667: /* Adjust siblings. */
668:
669: if (n->prev)
1.51 kristaps 670: n->prev->next = n->next;
1.54 kristaps 671: if (n->next)
672: n->next->prev = n->prev;
673:
674: /* Adjust parent. */
675:
676: if (n->parent) {
677: n->parent->nchild--;
678: if (n->parent->child == n)
679: n->parent->child = n->prev ? n->prev : n->next;
680: }
681:
682: /* Adjust parse point, if applicable. */
683:
1.119 schwarze 684: if (man && man->last == n) {
1.54 kristaps 685: /*XXX: this can occur when bailing from validation. */
686: /*assert(NULL == n->next);*/
687: if (n->prev) {
1.119 schwarze 688: man->last = n->prev;
689: man->next = MAN_NEXT_SIBLING;
1.54 kristaps 690: } else {
1.119 schwarze 691: man->last = n->parent;
692: man->next = MAN_NEXT_CHILD;
1.51 kristaps 693: }
694: }
695:
1.119 schwarze 696: if (man && man->first == n)
697: man->first = NULL;
1.112 kristaps 698: }
699:
700: const struct mparse *
1.119 schwarze 701: man_mparse(const struct man *man)
1.112 kristaps 702: {
703:
1.119 schwarze 704: assert(man && man->parse);
705: return(man->parse);
1.23 kristaps 706: }
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