Annotation of mandoc/man.c, Revision 1.124
1.124 ! schwarze 1: /* $Id: man.c,v 1.123 2014/01/05 20:26:36 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>
1.124 ! schwarze 5: * Copyright (c) 2011 Joerg Sonnenberger <joerg@netbsd.org>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.18 kristaps 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.18 kristaps 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
1.47 kristaps 19: #ifdef HAVE_CONFIG_H
20: #include "config.h"
21: #endif
22:
1.41 kristaps 23: #include <sys/types.h>
24:
1.1 kristaps 25: #include <assert.h>
26: #include <stdarg.h>
27: #include <stdlib.h>
28: #include <stdio.h>
29: #include <string.h>
30:
1.105 kristaps 31: #include "man.h"
1.74 kristaps 32: #include "mandoc.h"
1.1 kristaps 33: #include "libman.h"
1.45 kristaps 34: #include "libmandoc.h"
1.1 kristaps 35:
36: const char *const __man_macronames[MAN_MAX] = {
1.21 kristaps 37: "br", "TH", "SH", "SS",
1.1 kristaps 38: "TP", "LP", "PP", "P",
39: "IP", "HP", "SM", "SB",
40: "BI", "IB", "BR", "RB",
1.11 kristaps 41: "R", "B", "I", "IR",
1.92 kristaps 42: "RI", "na", "sp", "nf",
43: "fi", "RE", "RS", "DT",
44: "UC", "PD", "AT", "in",
1.120 schwarze 45: "ft", "OP", "EX", "EE",
46: "UR", "UE"
1.1 kristaps 47: };
48:
49: const char * const *man_macronames = __man_macronames;
50:
1.97 kristaps 51: static struct man_node *man_node_alloc(struct man *, int, int,
1.53 kristaps 52: enum man_type, enum mant);
1.1 kristaps 53: static int man_node_append(struct man *,
54: struct man_node *);
1.54 kristaps 55: static void man_node_free(struct man_node *);
56: static void man_node_unlink(struct man *,
57: struct man_node *);
1.72 kristaps 58: static int man_ptext(struct man *, int, char *, int);
1.79 kristaps 59: static int man_pmacro(struct man *, int, char *, int);
1.2 kristaps 60: static void man_free1(struct man *);
1.45 kristaps 61: static void man_alloc1(struct man *);
1.94 kristaps 62: static int man_descope(struct man *, int, int);
1.1 kristaps 63:
64:
65: const struct man_node *
1.119 schwarze 66: man_node(const struct man *man)
1.1 kristaps 67: {
68:
1.119 schwarze 69: assert( ! (MAN_HALT & man->flags));
70: return(man->first);
1.1 kristaps 71: }
72:
73:
74: const struct man_meta *
1.119 schwarze 75: man_meta(const struct man *man)
1.1 kristaps 76: {
77:
1.119 schwarze 78: assert( ! (MAN_HALT & man->flags));
79: return(&man->meta);
1.1 kristaps 80: }
81:
82:
1.45 kristaps 83: void
1.1 kristaps 84: man_reset(struct man *man)
85: {
86:
1.2 kristaps 87: man_free1(man);
1.45 kristaps 88: man_alloc1(man);
1.1 kristaps 89: }
90:
91:
92: void
93: man_free(struct man *man)
94: {
95:
1.2 kristaps 96: man_free1(man);
1.1 kristaps 97: free(man);
98: }
99:
100:
101: struct man *
1.123 schwarze 102: man_alloc(struct roff *roff, struct mparse *parse, int quick)
1.1 kristaps 103: {
104: struct man *p;
105:
1.45 kristaps 106: p = mandoc_calloc(1, sizeof(struct man));
1.2 kristaps 107:
1.40 kristaps 108: man_hash_init();
1.104 kristaps 109: p->parse = parse;
1.123 schwarze 110: p->quick = quick;
1.108 kristaps 111: p->roff = roff;
1.45 kristaps 112:
113: man_alloc1(p);
1.1 kristaps 114: return(p);
115: }
116:
117:
118: int
1.119 schwarze 119: man_endparse(struct man *man)
1.1 kristaps 120: {
121:
1.119 schwarze 122: assert( ! (MAN_HALT & man->flags));
123: if (man_macroend(man))
1.3 kristaps 124: return(1);
1.119 schwarze 125: man->flags |= MAN_HALT;
1.3 kristaps 126: return(0);
1.1 kristaps 127: }
128:
129:
130: int
1.119 schwarze 131: man_parseln(struct man *man, int ln, char *buf, int offs)
1.1 kristaps 132: {
133:
1.119 schwarze 134: man->flags |= MAN_NEWLINE;
1.97 kristaps 135:
1.119 schwarze 136: assert( ! (MAN_HALT & man->flags));
1.107 kristaps 137:
1.119 schwarze 138: return (roff_getcontrol(man->roff, buf, &offs) ?
139: man_pmacro(man, ln, buf, offs) :
140: man_ptext(man, ln, buf, offs));
1.1 kristaps 141: }
142:
143:
1.2 kristaps 144: static void
145: man_free1(struct man *man)
146: {
147:
148: if (man->first)
1.54 kristaps 149: man_node_delete(man, man->first);
1.2 kristaps 150: if (man->meta.title)
151: free(man->meta.title);
1.6 kristaps 152: if (man->meta.source)
153: free(man->meta.source);
1.102 schwarze 154: if (man->meta.date)
155: free(man->meta.date);
1.2 kristaps 156: if (man->meta.vol)
157: free(man->meta.vol);
1.68 kristaps 158: if (man->meta.msec)
159: free(man->meta.msec);
1.2 kristaps 160: }
161:
162:
1.45 kristaps 163: static void
1.119 schwarze 164: man_alloc1(struct man *man)
1.2 kristaps 165: {
166:
1.119 schwarze 167: memset(&man->meta, 0, sizeof(struct man_meta));
168: man->flags = 0;
169: man->last = mandoc_calloc(1, sizeof(struct man_node));
170: man->first = man->last;
171: man->last->type = MAN_ROOT;
172: man->last->tok = MAN_MAX;
173: man->next = MAN_NEXT_CHILD;
1.2 kristaps 174: }
175:
176:
1.1 kristaps 177: static int
178: man_node_append(struct man *man, struct man_node *p)
179: {
180:
181: assert(man->last);
182: assert(man->first);
183: assert(MAN_ROOT != p->type);
184:
185: switch (man->next) {
186: case (MAN_NEXT_SIBLING):
187: man->last->next = p;
188: p->prev = man->last;
189: p->parent = man->last->parent;
190: break;
191: case (MAN_NEXT_CHILD):
192: man->last->child = p;
193: p->parent = man->last;
194: break;
195: default:
196: abort();
197: /* NOTREACHED */
198: }
1.22 kristaps 199:
1.54 kristaps 200: assert(p->parent);
1.22 kristaps 201: p->parent->nchild++;
1.1 kristaps 202:
1.29 kristaps 203: if ( ! man_valid_pre(man, p))
204: return(0);
205:
206: switch (p->type) {
207: case (MAN_HEAD):
208: assert(MAN_BLOCK == p->parent->type);
209: p->parent->head = p;
210: break;
1.106 kristaps 211: case (MAN_TAIL):
212: assert(MAN_BLOCK == p->parent->type);
213: p->parent->tail = p;
214: break;
1.29 kristaps 215: case (MAN_BODY):
216: assert(MAN_BLOCK == p->parent->type);
217: p->parent->body = p;
218: break;
219: default:
220: break;
221: }
222:
1.2 kristaps 223: man->last = p;
224:
1.1 kristaps 225: switch (p->type) {
1.94 kristaps 226: case (MAN_TBL):
227: /* FALLTHROUGH */
1.2 kristaps 228: case (MAN_TEXT):
229: if ( ! man_valid_post(man))
230: return(0);
1.1 kristaps 231: break;
232: default:
233: break;
234: }
235:
236: return(1);
237: }
238:
239:
240: static struct man_node *
1.119 schwarze 241: man_node_alloc(struct man *man, int line, int pos,
1.97 kristaps 242: enum man_type type, enum mant tok)
1.1 kristaps 243: {
244: struct man_node *p;
245:
1.45 kristaps 246: p = mandoc_calloc(1, sizeof(struct man_node));
1.1 kristaps 247: p->line = line;
248: p->pos = pos;
249: p->type = type;
1.16 kristaps 250: p->tok = tok;
1.97 kristaps 251:
1.119 schwarze 252: if (MAN_NEWLINE & man->flags)
1.97 kristaps 253: p->flags |= MAN_LINE;
1.119 schwarze 254: man->flags &= ~MAN_NEWLINE;
1.1 kristaps 255: return(p);
256: }
257:
258:
259: int
1.119 schwarze 260: man_elem_alloc(struct man *man, int line, int pos, enum mant tok)
1.1 kristaps 261: {
262: struct man_node *p;
263:
1.119 schwarze 264: p = man_node_alloc(man, line, pos, MAN_ELEM, tok);
265: if ( ! man_node_append(man, p))
1.106 kristaps 266: return(0);
1.119 schwarze 267: man->next = MAN_NEXT_CHILD;
1.106 kristaps 268: return(1);
269: }
270:
271:
272: int
1.119 schwarze 273: man_tail_alloc(struct man *man, int line, int pos, enum mant tok)
1.106 kristaps 274: {
275: struct man_node *p;
276:
1.119 schwarze 277: p = man_node_alloc(man, line, pos, MAN_TAIL, tok);
278: if ( ! man_node_append(man, p))
1.30 kristaps 279: return(0);
1.119 schwarze 280: man->next = MAN_NEXT_CHILD;
1.30 kristaps 281: return(1);
1.1 kristaps 282: }
283:
284:
285: int
1.119 schwarze 286: man_head_alloc(struct man *man, int line, int pos, enum mant tok)
1.29 kristaps 287: {
288: struct man_node *p;
289:
1.119 schwarze 290: p = man_node_alloc(man, line, pos, MAN_HEAD, tok);
291: if ( ! man_node_append(man, p))
1.29 kristaps 292: return(0);
1.119 schwarze 293: man->next = MAN_NEXT_CHILD;
1.29 kristaps 294: return(1);
295: }
296:
297:
298: int
1.119 schwarze 299: man_body_alloc(struct man *man, int line, int pos, enum mant tok)
1.29 kristaps 300: {
301: struct man_node *p;
302:
1.119 schwarze 303: p = man_node_alloc(man, line, pos, MAN_BODY, tok);
304: if ( ! man_node_append(man, p))
1.29 kristaps 305: return(0);
1.119 schwarze 306: man->next = MAN_NEXT_CHILD;
1.29 kristaps 307: return(1);
308: }
309:
310:
311: int
1.119 schwarze 312: man_block_alloc(struct man *man, int line, int pos, enum mant tok)
1.29 kristaps 313: {
314: struct man_node *p;
315:
1.119 schwarze 316: p = man_node_alloc(man, line, pos, MAN_BLOCK, tok);
317: if ( ! man_node_append(man, p))
1.29 kristaps 318: return(0);
1.119 schwarze 319: man->next = MAN_NEXT_CHILD;
1.29 kristaps 320: return(1);
321: }
322:
1.61 kristaps 323: int
1.119 schwarze 324: man_word_alloc(struct man *man, int line, int pos, const char *word)
1.1 kristaps 325: {
1.31 kristaps 326: struct man_node *n;
1.1 kristaps 327:
1.119 schwarze 328: n = man_node_alloc(man, line, pos, MAN_TEXT, MAN_MAX);
329: n->string = roff_strdup(man->roff, word);
1.31 kristaps 330:
1.119 schwarze 331: if ( ! man_node_append(man, n))
1.30 kristaps 332: return(0);
1.61 kristaps 333:
1.119 schwarze 334: man->next = MAN_NEXT_SIBLING;
1.30 kristaps 335: return(1);
1.1 kristaps 336: }
337:
338:
1.54 kristaps 339: /*
340: * Free all of the resources held by a node. This does NOT unlink a
341: * node from its context; for that, see man_node_unlink().
342: */
343: static void
1.1 kristaps 344: man_node_free(struct man_node *p)
345: {
346:
347: if (p->string)
348: free(p->string);
349: free(p);
350: }
351:
352:
353: void
1.119 schwarze 354: man_node_delete(struct man *man, struct man_node *p)
1.1 kristaps 355: {
356:
1.54 kristaps 357: while (p->child)
1.119 schwarze 358: man_node_delete(man, p->child);
1.54 kristaps 359:
1.119 schwarze 360: man_node_unlink(man, p);
1.1 kristaps 361: man_node_free(p);
362: }
363:
1.101 kristaps 364: int
1.119 schwarze 365: man_addeqn(struct man *man, const struct eqn *ep)
1.101 kristaps 366: {
367: struct man_node *n;
368:
1.119 schwarze 369: assert( ! (MAN_HALT & man->flags));
1.101 kristaps 370:
1.119 schwarze 371: n = man_node_alloc(man, ep->ln, ep->pos, MAN_EQN, MAN_MAX);
1.101 kristaps 372: n->eqn = ep;
373:
1.119 schwarze 374: if ( ! man_node_append(man, n))
1.101 kristaps 375: return(0);
376:
1.119 schwarze 377: man->next = MAN_NEXT_SIBLING;
378: return(man_descope(man, ep->ln, ep->pos));
1.101 kristaps 379: }
1.1 kristaps 380:
1.94 kristaps 381: int
1.119 schwarze 382: man_addspan(struct man *man, const struct tbl_span *sp)
1.94 kristaps 383: {
1.100 kristaps 384: struct man_node *n;
1.94 kristaps 385:
1.119 schwarze 386: assert( ! (MAN_HALT & man->flags));
1.100 kristaps 387:
1.119 schwarze 388: n = man_node_alloc(man, sp->line, 0, MAN_TBL, MAN_MAX);
1.100 kristaps 389: n->span = sp;
390:
1.119 schwarze 391: if ( ! man_node_append(man, n))
1.94 kristaps 392: return(0);
1.100 kristaps 393:
1.119 schwarze 394: man->next = MAN_NEXT_SIBLING;
395: return(man_descope(man, sp->line, 0));
1.94 kristaps 396: }
397:
398: static int
1.119 schwarze 399: man_descope(struct man *man, int line, int offs)
1.94 kristaps 400: {
401: /*
402: * Co-ordinate what happens with having a next-line scope open:
403: * first close out the element scope (if applicable), then close
404: * out the block scope (also if applicable).
405: */
406:
1.119 schwarze 407: if (MAN_ELINE & man->flags) {
408: man->flags &= ~MAN_ELINE;
409: if ( ! man_unscope(man, man->last->parent, MANDOCERR_MAX))
1.94 kristaps 410: return(0);
411: }
412:
1.119 schwarze 413: if ( ! (MAN_BLINE & man->flags))
1.94 kristaps 414: return(1);
1.119 schwarze 415: man->flags &= ~MAN_BLINE;
1.94 kristaps 416:
1.119 schwarze 417: if ( ! man_unscope(man, man->last->parent, MANDOCERR_MAX))
1.94 kristaps 418: return(0);
1.119 schwarze 419: return(man_body_alloc(man, line, offs, man->last->tok));
1.94 kristaps 420: }
421:
1.1 kristaps 422: static int
1.119 schwarze 423: man_ptext(struct man *man, int line, char *buf, int offs)
1.1 kristaps 424: {
1.61 kristaps 425: int i;
1.60 kristaps 426:
1.35 kristaps 427: /* Literal free-form text whitespace is preserved. */
428:
1.119 schwarze 429: if (MAN_LITERAL & man->flags) {
430: if ( ! man_word_alloc(man, line, offs, buf + offs))
1.35 kristaps 431: return(0);
1.119 schwarze 432: return(man_descope(man, line, offs));
1.35 kristaps 433: }
434:
1.72 kristaps 435: for (i = offs; ' ' == buf[i]; i++)
1.31 kristaps 436: /* Skip leading whitespace. */ ;
1.48 kristaps 437:
1.121 schwarze 438: /*
439: * Blank lines are ignored right after headings
440: * but add a single vertical space elsewhere.
441: */
442:
1.49 kristaps 443: if ('\0' == buf[i]) {
1.61 kristaps 444: /* Allocate a blank entry. */
1.121 schwarze 445: if (MAN_SH != man->last->tok &&
446: MAN_SS != man->last->tok) {
447: if ( ! man_elem_alloc(man, line, offs, MAN_sp))
448: return(0);
449: man->next = MAN_NEXT_SIBLING;
450: }
1.118 schwarze 451: return(1);
1.31 kristaps 452: }
453:
1.63 kristaps 454: /*
455: * Warn if the last un-escaped character is whitespace. Then
456: * strip away the remaining spaces (tabs stay!).
457: */
1.29 kristaps 458:
1.61 kristaps 459: i = (int)strlen(buf);
460: assert(i);
1.49 kristaps 461:
1.63 kristaps 462: if (' ' == buf[i - 1] || '\t' == buf[i - 1]) {
1.64 kristaps 463: if (i > 1 && '\\' != buf[i - 2])
1.119 schwarze 464: man_pmsg(man, line, i - 1, MANDOCERR_EOLNSPACE);
1.63 kristaps 465:
466: for (--i; i && ' ' == buf[i]; i--)
467: /* Spin back to non-space. */ ;
468:
469: /* Jump ahead of escaped whitespace. */
470: i += '\\' == buf[i] ? 2 : 1;
471:
472: buf[i] = '\0';
473: }
1.49 kristaps 474:
1.119 schwarze 475: if ( ! man_word_alloc(man, line, offs, buf + offs))
1.1 kristaps 476: return(0);
1.65 kristaps 477:
478: /*
479: * End-of-sentence check. If the last character is an unescaped
480: * EOS character, then flag the node as being the end of a
481: * sentence. The front-end will know how to interpret this.
482: */
1.67 kristaps 483:
1.65 kristaps 484: assert(i);
1.122 schwarze 485: if (mandoc_eos(buf, (size_t)i))
1.119 schwarze 486: man->last->flags |= MAN_EOS;
1.31 kristaps 487:
1.119 schwarze 488: return(man_descope(man, line, offs));
1.1 kristaps 489: }
490:
1.96 kristaps 491: static int
1.119 schwarze 492: man_pmacro(struct man *man, int ln, char *buf, int offs)
1.1 kristaps 493: {
1.107 kristaps 494: int i, ppos;
1.53 kristaps 495: enum mant tok;
1.34 kristaps 496: char mac[5];
497: struct man_node *n;
1.1 kristaps 498:
1.107 kristaps 499: if ('"' == buf[offs]) {
1.119 schwarze 500: man_pmsg(man, ln, offs, MANDOCERR_BADCOMMENT);
1.107 kristaps 501: return(1);
502: } else if ('\0' == buf[offs])
1.46 kristaps 503: return(1);
1.1 kristaps 504:
1.107 kristaps 505: ppos = offs;
1.9 kristaps 506:
1.56 kristaps 507: /*
1.107 kristaps 508: * Copy the first word into a nil-terminated buffer.
509: * Stop copying when a tab, space, or eoln is encountered.
1.56 kristaps 510: */
1.62 kristaps 511:
1.107 kristaps 512: i = 0;
513: while (i < 4 && '\0' != buf[offs] &&
514: ' ' != buf[offs] && '\t' != buf[offs])
515: mac[i++] = buf[offs++];
1.10 kristaps 516:
1.107 kristaps 517: mac[i] = '\0';
1.1 kristaps 518:
1.107 kristaps 519: tok = (i > 0 && i < 4) ? man_hash_find(mac) : MAN_MAX;
1.1 kristaps 520:
1.87 schwarze 521: if (MAN_MAX == tok) {
1.119 schwarze 522: mandoc_vmsg(MANDOCERR_MACRO, man->parse, ln,
1.104 kristaps 523: ppos, "%s", buf + ppos - 1);
1.12 kristaps 524: return(1);
1.1 kristaps 525: }
526:
527: /* The macro is sane. Jump to the next word. */
528:
1.107 kristaps 529: while (buf[offs] && ' ' == buf[offs])
530: offs++;
1.1 kristaps 531:
1.62 kristaps 532: /*
533: * Trailing whitespace. Note that tabs are allowed to be passed
534: * into the parser as "text", so we only warn about spaces here.
535: */
1.48 kristaps 536:
1.107 kristaps 537: if ('\0' == buf[offs] && ' ' == buf[offs - 1])
1.119 schwarze 538: man_pmsg(man, ln, offs - 1, MANDOCERR_EOLNSPACE);
1.48 kristaps 539:
1.50 kristaps 540: /*
1.90 kristaps 541: * Remove prior ELINE macro, as it's being clobbered by a new
1.51 kristaps 542: * macro. Note that NSCOPED macros do not close out ELINE
543: * macros---they don't print text---so we let those slip by.
1.50 kristaps 544: */
1.34 kristaps 545:
1.53 kristaps 546: if ( ! (MAN_NSCOPED & man_macros[tok].flags) &&
1.119 schwarze 547: man->flags & MAN_ELINE) {
548: n = man->last;
1.90 kristaps 549: assert(MAN_TEXT != n->type);
1.51 kristaps 550:
1.90 kristaps 551: /* Remove repeated NSCOPED macros causing ELINE. */
1.51 kristaps 552:
1.90 kristaps 553: if (MAN_NSCOPED & man_macros[n->tok].flags)
554: n = n->parent;
1.51 kristaps 555:
1.119 schwarze 556: mandoc_vmsg(MANDOCERR_LINESCOPE, man->parse, n->line,
1.113 schwarze 557: n->pos, "%s breaks %s", man_macronames[tok],
558: man_macronames[n->tok]);
1.34 kristaps 559:
1.119 schwarze 560: man_node_delete(man, n);
561: man->flags &= ~MAN_ELINE;
1.113 schwarze 562: }
563:
564: /*
565: * Remove prior BLINE macro that is being clobbered.
566: */
1.119 schwarze 567: if ((man->flags & MAN_BLINE) &&
1.113 schwarze 568: (MAN_BSCOPE & man_macros[tok].flags)) {
1.119 schwarze 569: n = man->last;
1.114 joerg 570:
571: /* Might be a text node like 8 in
572: * .TP 8
573: * .SH foo
574: */
575: if (MAN_TEXT == n->type)
576: n = n->parent;
1.113 schwarze 577:
578: /* Remove element that didn't end BLINE, if any. */
579: if ( ! (MAN_BSCOPE & man_macros[n->tok].flags))
580: n = n->parent;
581:
582: assert(MAN_HEAD == n->type);
583: n = n->parent;
584: assert(MAN_BLOCK == n->type);
585: assert(MAN_SCOPED & man_macros[n->tok].flags);
586:
1.119 schwarze 587: mandoc_vmsg(MANDOCERR_LINESCOPE, man->parse, n->line,
1.113 schwarze 588: n->pos, "%s breaks %s", man_macronames[tok],
589: man_macronames[n->tok]);
590:
1.119 schwarze 591: man_node_delete(man, n);
592: man->flags &= ~MAN_BLINE;
1.34 kristaps 593: }
594:
1.59 kristaps 595: /*
596: * Save the fact that we're in the next-line for a block. In
597: * this way, embedded roff instructions can "remember" state
598: * when they exit.
599: */
600:
1.119 schwarze 601: if (MAN_BLINE & man->flags)
602: man->flags |= MAN_BPLINE;
1.59 kristaps 603:
604: /* Call to handler... */
1.1 kristaps 605:
1.53 kristaps 606: assert(man_macros[tok].fp);
1.119 schwarze 607: if ( ! (*man_macros[tok].fp)(man, tok, ln, ppos, &offs, buf))
1.1 kristaps 608: goto err;
1.123 schwarze 609:
610: /* In quick mode (for mandocdb), abort after the NAME section. */
611:
612: if (man->quick && MAN_SH == tok &&
613: strcmp(man->last->prev->child->string, "NAME"))
614: return(2);
1.1 kristaps 615:
1.50 kristaps 616: /*
617: * We weren't in a block-line scope when entering the
618: * above-parsed macro, so return.
619: */
620:
1.119 schwarze 621: if ( ! (MAN_BPLINE & man->flags)) {
622: man->flags &= ~MAN_ILINE;
1.29 kristaps 623: return(1);
1.50 kristaps 624: }
1.119 schwarze 625: man->flags &= ~MAN_BPLINE;
1.50 kristaps 626:
627: /*
628: * If we're in a block scope, then allow this macro to slip by
629: * without closing scope around it.
630: */
631:
1.119 schwarze 632: if (MAN_ILINE & man->flags) {
633: man->flags &= ~MAN_ILINE;
1.50 kristaps 634: return(1);
635: }
1.29 kristaps 636:
637: /*
638: * If we've opened a new next-line element scope, then return
639: * now, as the next line will close out the block scope.
640: */
641:
1.119 schwarze 642: if (MAN_ELINE & man->flags)
1.29 kristaps 643: return(1);
644:
645: /* Close out the block scope opened in the prior line. */
1.11 kristaps 646:
1.119 schwarze 647: assert(MAN_BLINE & man->flags);
648: man->flags &= ~MAN_BLINE;
1.11 kristaps 649:
1.119 schwarze 650: if ( ! man_unscope(man, man->last->parent, MANDOCERR_MAX))
1.29 kristaps 651: return(0);
1.119 schwarze 652: return(man_body_alloc(man, ln, ppos, man->last->tok));
1.1 kristaps 653:
654: err: /* Error out. */
655:
1.119 schwarze 656: man->flags |= MAN_HALT;
1.1 kristaps 657: return(0);
658: }
1.51 kristaps 659:
1.54 kristaps 660: /*
1.119 schwarze 661: * Unlink a node from its context. If "man" is provided, the last parse
1.54 kristaps 662: * point will also be adjusted accordingly.
663: */
664: static void
1.119 schwarze 665: man_node_unlink(struct man *man, struct man_node *n)
1.51 kristaps 666: {
667:
1.54 kristaps 668: /* Adjust siblings. */
669:
670: if (n->prev)
1.51 kristaps 671: n->prev->next = n->next;
1.54 kristaps 672: if (n->next)
673: n->next->prev = n->prev;
674:
675: /* Adjust parent. */
676:
677: if (n->parent) {
678: n->parent->nchild--;
679: if (n->parent->child == n)
680: n->parent->child = n->prev ? n->prev : n->next;
681: }
682:
683: /* Adjust parse point, if applicable. */
684:
1.119 schwarze 685: if (man && man->last == n) {
1.54 kristaps 686: /*XXX: this can occur when bailing from validation. */
687: /*assert(NULL == n->next);*/
688: if (n->prev) {
1.119 schwarze 689: man->last = n->prev;
690: man->next = MAN_NEXT_SIBLING;
1.54 kristaps 691: } else {
1.119 schwarze 692: man->last = n->parent;
693: man->next = MAN_NEXT_CHILD;
1.51 kristaps 694: }
695: }
696:
1.119 schwarze 697: if (man && man->first == n)
698: man->first = NULL;
1.112 kristaps 699: }
700:
701: const struct mparse *
1.119 schwarze 702: man_mparse(const struct man *man)
1.112 kristaps 703: {
704:
1.119 schwarze 705: assert(man && man->parse);
706: return(man->parse);
1.23 kristaps 707: }
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