Annotation of src/usr.bin/mandoc/mdoc_validate.c, Revision 1.91
1.91 ! schwarze 1: /* $Id: mdoc_validate.c,v 1.90 2011/03/20 23:36:42 schwarze Exp $ */
1.1 kristaps 2: /*
1.84 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.89 schwarze 4: * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 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: *
1.2 schwarze 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: */
1.76 schwarze 18: #ifndef OSNAME
19: #include <sys/utsname.h>
20: #endif
21:
1.1 kristaps 22: #include <sys/types.h>
23:
24: #include <assert.h>
25: #include <ctype.h>
1.31 schwarze 26: #include <limits.h>
1.57 schwarze 27: #include <stdio.h>
1.1 kristaps 28: #include <stdlib.h>
29: #include <string.h>
1.76 schwarze 30: #include <time.h>
1.1 kristaps 31:
1.55 schwarze 32: #include "mandoc.h"
1.1 kristaps 33: #include "libmdoc.h"
1.15 schwarze 34: #include "libmandoc.h"
1.1 kristaps 35:
36: /* FIXME: .Bl -diag can't have non-text children in HEAD. */
37:
1.60 schwarze 38: #define PRE_ARGS struct mdoc *mdoc, struct mdoc_node *n
1.28 schwarze 39: #define POST_ARGS struct mdoc *mdoc
1.1 kristaps 40:
1.76 schwarze 41: #define NUMSIZ 32
42: #define DATESIZE 32
43:
1.72 schwarze 44: enum check_ineq {
45: CHECK_LT,
46: CHECK_GT,
47: CHECK_EQ
48: };
49:
50: enum check_lvl {
51: CHECK_WARN,
52: CHECK_ERROR,
53: };
54:
1.1 kristaps 55: typedef int (*v_pre)(PRE_ARGS);
56: typedef int (*v_post)(POST_ARGS);
57:
58: struct valids {
59: v_pre *pre;
60: v_post *post;
61: };
62:
1.72 schwarze 63: static int check_count(struct mdoc *, enum mdoc_type,
64: enum check_lvl, enum check_ineq, int);
1.44 schwarze 65: static int check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);
1.76 schwarze 66: static void check_text(struct mdoc *, int, int, char *);
67: static void check_argv(struct mdoc *,
1.61 schwarze 68: struct mdoc_node *, struct mdoc_argv *);
1.76 schwarze 69: static void check_args(struct mdoc *, struct mdoc_node *);
70:
71: static int concat(struct mdoc *, char *,
72: const struct mdoc_node *, size_t);
1.91 ! schwarze 73: static enum mdoc_sec a2sec(const char *);
! 74: static size_t macro2len(enum mdoct);
1.28 schwarze 75:
1.72 schwarze 76: static int ebool(POST_ARGS);
1.28 schwarze 77: static int berr_ge1(POST_ARGS);
78: static int bwarn_ge1(POST_ARGS);
1.69 schwarze 79: static int ewarn_eq0(POST_ARGS);
1.83 schwarze 80: static int ewarn_eq1(POST_ARGS);
1.28 schwarze 81: static int ewarn_ge1(POST_ARGS);
1.83 schwarze 82: static int ewarn_le1(POST_ARGS);
1.72 schwarze 83: static int hwarn_eq0(POST_ARGS);
1.28 schwarze 84: static int hwarn_eq1(POST_ARGS);
1.83 schwarze 85: static int hwarn_ge1(POST_ARGS);
1.28 schwarze 86: static int hwarn_le1(POST_ARGS);
87:
88: static int post_an(POST_ARGS);
89: static int post_at(POST_ARGS);
90: static int post_bf(POST_ARGS);
91: static int post_bl(POST_ARGS);
1.76 schwarze 92: static int post_bl_block(POST_ARGS);
93: static int post_bl_block_width(POST_ARGS);
94: static int post_bl_block_tag(POST_ARGS);
1.28 schwarze 95: static int post_bl_head(POST_ARGS);
1.87 schwarze 96: static int post_bx(POST_ARGS);
1.76 schwarze 97: static int post_dd(POST_ARGS);
1.60 schwarze 98: static int post_dt(POST_ARGS);
1.76 schwarze 99: static int post_defaults(POST_ARGS);
100: static int post_literal(POST_ARGS);
101: static int post_eoln(POST_ARGS);
1.28 schwarze 102: static int post_it(POST_ARGS);
103: static int post_lb(POST_ARGS);
104: static int post_nm(POST_ARGS);
1.88 schwarze 105: static int post_ns(POST_ARGS);
1.76 schwarze 106: static int post_os(POST_ARGS);
1.79 schwarze 107: static int post_ignpar(POST_ARGS);
1.76 schwarze 108: static int post_prol(POST_ARGS);
1.28 schwarze 109: static int post_root(POST_ARGS);
1.36 schwarze 110: static int post_rs(POST_ARGS);
1.28 schwarze 111: static int post_sh(POST_ARGS);
112: static int post_sh_body(POST_ARGS);
113: static int post_sh_head(POST_ARGS);
114: static int post_st(POST_ARGS);
1.76 schwarze 115: static int post_std(POST_ARGS);
1.42 schwarze 116: static int post_vt(POST_ARGS);
1.28 schwarze 117: static int pre_an(PRE_ARGS);
118: static int pre_bd(PRE_ARGS);
119: static int pre_bl(PRE_ARGS);
120: static int pre_dd(PRE_ARGS);
121: static int pre_display(PRE_ARGS);
122: static int pre_dt(PRE_ARGS);
123: static int pre_it(PRE_ARGS);
1.76 schwarze 124: static int pre_literal(PRE_ARGS);
1.28 schwarze 125: static int pre_os(PRE_ARGS);
1.76 schwarze 126: static int pre_par(PRE_ARGS);
1.28 schwarze 127: static int pre_sh(PRE_ARGS);
128: static int pre_ss(PRE_ARGS);
1.76 schwarze 129: static int pre_std(PRE_ARGS);
1.28 schwarze 130:
131: static v_post posts_an[] = { post_an, NULL };
1.76 schwarze 132: static v_post posts_at[] = { post_at, post_defaults, NULL };
133: static v_post posts_bd[] = { post_literal, hwarn_eq0, bwarn_ge1, NULL };
1.28 schwarze 134: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
1.76 schwarze 135: static v_post posts_bk[] = { hwarn_eq0, bwarn_ge1, NULL };
1.28 schwarze 136: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
1.87 schwarze 137: static v_post posts_bx[] = { post_bx, NULL };
1.83 schwarze 138: static v_post posts_bool[] = { ebool, NULL };
1.59 schwarze 139: static v_post posts_eoln[] = { post_eoln, NULL };
1.76 schwarze 140: static v_post posts_defaults[] = { post_defaults, NULL };
1.89 schwarze 141: static v_post posts_dd[] = { post_dd, post_prol, NULL };
1.83 schwarze 142: static v_post posts_dl[] = { post_literal, bwarn_ge1, NULL };
1.76 schwarze 143: static v_post posts_dt[] = { post_dt, post_prol, NULL };
1.28 schwarze 144: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
145: static v_post posts_it[] = { post_it, NULL };
1.83 schwarze 146: static v_post posts_lb[] = { post_lb, NULL };
1.28 schwarze 147: static v_post posts_nd[] = { berr_ge1, NULL };
148: static v_post posts_nm[] = { post_nm, NULL };
1.69 schwarze 149: static v_post posts_notext[] = { ewarn_eq0, NULL };
1.88 schwarze 150: static v_post posts_ns[] = { post_ns, NULL };
1.76 schwarze 151: static v_post posts_os[] = { post_os, post_prol, NULL };
1.83 schwarze 152: static v_post posts_rs[] = { post_rs, NULL };
153: static v_post posts_sh[] = { post_ignpar, hwarn_ge1, bwarn_ge1, post_sh, NULL };
154: static v_post posts_sp[] = { ewarn_le1, NULL };
155: static v_post posts_ss[] = { post_ignpar, hwarn_ge1, bwarn_ge1, NULL };
156: static v_post posts_st[] = { post_st, NULL };
1.76 schwarze 157: static v_post posts_std[] = { post_std, NULL };
1.85 schwarze 158: static v_post posts_text[] = { ewarn_ge1, NULL };
1.83 schwarze 159: static v_post posts_text1[] = { ewarn_eq1, NULL };
1.42 schwarze 160: static v_post posts_vt[] = { post_vt, NULL };
1.83 schwarze 161: static v_post posts_wline[] = { bwarn_ge1, NULL };
1.28 schwarze 162: static v_pre pres_an[] = { pre_an, NULL };
1.76 schwarze 163: static v_pre pres_bd[] = { pre_display, pre_bd, pre_literal, pre_par, NULL };
164: static v_pre pres_bl[] = { pre_bl, pre_par, NULL };
1.28 schwarze 165: static v_pre pres_d1[] = { pre_display, NULL };
1.76 schwarze 166: static v_pre pres_dl[] = { pre_literal, pre_display, NULL };
1.28 schwarze 167: static v_pre pres_dd[] = { pre_dd, NULL };
168: static v_pre pres_dt[] = { pre_dt, NULL };
1.48 schwarze 169: static v_pre pres_er[] = { NULL, NULL };
1.53 schwarze 170: static v_pre pres_fd[] = { NULL, NULL };
1.79 schwarze 171: static v_pre pres_it[] = { pre_it, pre_par, NULL };
1.28 schwarze 172: static v_pre pres_os[] = { pre_os, NULL };
1.76 schwarze 173: static v_pre pres_pp[] = { pre_par, NULL };
1.28 schwarze 174: static v_pre pres_sh[] = { pre_sh, NULL };
175: static v_pre pres_ss[] = { pre_ss, NULL };
1.76 schwarze 176: static v_pre pres_std[] = { pre_std, NULL };
1.1 kristaps 177:
1.91 ! schwarze 178: static const struct valids mdoc_valids[MDOC_MAX] = {
1.7 schwarze 179: { NULL, NULL }, /* Ap */
1.76 schwarze 180: { pres_dd, posts_dd }, /* Dd */
1.60 schwarze 181: { pres_dt, posts_dt }, /* Dt */
1.76 schwarze 182: { pres_os, posts_os }, /* Os */
1.1 kristaps 183: { pres_sh, posts_sh }, /* Sh */
184: { pres_ss, posts_ss }, /* Ss */
1.70 schwarze 185: { pres_pp, posts_notext }, /* Pp */
1.1 kristaps 186: { pres_d1, posts_wline }, /* D1 */
1.76 schwarze 187: { pres_dl, posts_dl }, /* Dl */
188: { pres_bd, posts_bd }, /* Bd */
1.1 kristaps 189: { NULL, NULL }, /* Ed */
190: { pres_bl, posts_bl }, /* Bl */
191: { NULL, NULL }, /* El */
192: { pres_it, posts_it }, /* It */
1.85 schwarze 193: { NULL, NULL }, /* Ad */
1.1 kristaps 194: { pres_an, posts_an }, /* An */
1.76 schwarze 195: { NULL, posts_defaults }, /* Ar */
1.85 schwarze 196: { NULL, NULL }, /* Cd */
1.1 kristaps 197: { NULL, NULL }, /* Cm */
198: { NULL, NULL }, /* Dv */
1.85 schwarze 199: { pres_er, NULL }, /* Er */
1.1 kristaps 200: { NULL, NULL }, /* Ev */
1.76 schwarze 201: { pres_std, posts_std }, /* Ex */
1.1 kristaps 202: { NULL, NULL }, /* Fa */
1.85 schwarze 203: { pres_fd, posts_text }, /* Fd */
1.1 kristaps 204: { NULL, NULL }, /* Fl */
1.85 schwarze 205: { NULL, NULL }, /* Fn */
206: { NULL, NULL }, /* Ft */
207: { NULL, NULL }, /* Ic */
1.38 schwarze 208: { NULL, posts_text1 }, /* In */
1.76 schwarze 209: { NULL, posts_defaults }, /* Li */
1.25 schwarze 210: { NULL, posts_nd }, /* Nd */
1.1 kristaps 211: { NULL, posts_nm }, /* Nm */
1.78 schwarze 212: { NULL, NULL }, /* Op */
1.1 kristaps 213: { NULL, NULL }, /* Ot */
1.76 schwarze 214: { NULL, posts_defaults }, /* Pa */
215: { pres_std, posts_std }, /* Rv */
1.1 kristaps 216: { NULL, posts_st }, /* St */
217: { NULL, NULL }, /* Va */
1.42 schwarze 218: { NULL, posts_vt }, /* Vt */
1.85 schwarze 219: { NULL, posts_text }, /* Xr */
1.1 kristaps 220: { NULL, posts_text }, /* %A */
1.37 schwarze 221: { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */
1.89 schwarze 222: { NULL, posts_text }, /* %D */
1.1 kristaps 223: { NULL, posts_text }, /* %I */
224: { NULL, posts_text }, /* %J */
225: { NULL, posts_text }, /* %N */
226: { NULL, posts_text }, /* %O */
227: { NULL, posts_text }, /* %P */
228: { NULL, posts_text }, /* %R */
1.37 schwarze 229: { NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */
1.1 kristaps 230: { NULL, posts_text }, /* %V */
231: { NULL, NULL }, /* Ac */
232: { NULL, NULL }, /* Ao */
1.78 schwarze 233: { NULL, NULL }, /* Aq */
1.1 kristaps 234: { NULL, posts_at }, /* At */
235: { NULL, NULL }, /* Bc */
236: { NULL, posts_bf }, /* Bf */
237: { NULL, NULL }, /* Bo */
1.78 schwarze 238: { NULL, NULL }, /* Bq */
1.1 kristaps 239: { NULL, NULL }, /* Bsx */
1.87 schwarze 240: { NULL, posts_bx }, /* Bx */
1.1 kristaps 241: { NULL, posts_bool }, /* Db */
242: { NULL, NULL }, /* Dc */
243: { NULL, NULL }, /* Do */
1.78 schwarze 244: { NULL, NULL }, /* Dq */
1.1 kristaps 245: { NULL, NULL }, /* Ec */
246: { NULL, NULL }, /* Ef */
247: { NULL, NULL }, /* Em */
248: { NULL, NULL }, /* Eo */
249: { NULL, NULL }, /* Fx */
1.85 schwarze 250: { NULL, NULL }, /* Ms */
1.1 kristaps 251: { NULL, posts_notext }, /* No */
1.88 schwarze 252: { NULL, posts_ns }, /* Ns */
1.1 kristaps 253: { NULL, NULL }, /* Nx */
254: { NULL, NULL }, /* Ox */
255: { NULL, NULL }, /* Pc */
1.38 schwarze 256: { NULL, posts_text1 }, /* Pf */
1.1 kristaps 257: { NULL, NULL }, /* Po */
1.78 schwarze 258: { NULL, NULL }, /* Pq */
1.1 kristaps 259: { NULL, NULL }, /* Qc */
1.78 schwarze 260: { NULL, NULL }, /* Ql */
1.1 kristaps 261: { NULL, NULL }, /* Qo */
1.78 schwarze 262: { NULL, NULL }, /* Qq */
1.1 kristaps 263: { NULL, NULL }, /* Re */
1.82 schwarze 264: { NULL, posts_rs }, /* Rs */
1.1 kristaps 265: { NULL, NULL }, /* Sc */
266: { NULL, NULL }, /* So */
1.78 schwarze 267: { NULL, NULL }, /* Sq */
1.1 kristaps 268: { NULL, posts_bool }, /* Sm */
1.85 schwarze 269: { NULL, NULL }, /* Sx */
270: { NULL, NULL }, /* Sy */
271: { NULL, NULL }, /* Tn */
1.1 kristaps 272: { NULL, NULL }, /* Ux */
273: { NULL, NULL }, /* Xc */
274: { NULL, NULL }, /* Xo */
275: { NULL, posts_fo }, /* Fo */
276: { NULL, NULL }, /* Fc */
277: { NULL, NULL }, /* Oo */
278: { NULL, NULL }, /* Oc */
1.76 schwarze 279: { NULL, posts_bk }, /* Bk */
1.1 kristaps 280: { NULL, NULL }, /* Ek */
1.59 schwarze 281: { NULL, posts_eoln }, /* Bt */
1.1 kristaps 282: { NULL, NULL }, /* Hf */
283: { NULL, NULL }, /* Fr */
1.59 schwarze 284: { NULL, posts_eoln }, /* Ud */
285: { NULL, posts_lb }, /* Lb */
1.31 schwarze 286: { NULL, posts_notext }, /* Lp */
1.85 schwarze 287: { NULL, NULL }, /* Lk */
1.76 schwarze 288: { NULL, posts_defaults }, /* Mt */
1.78 schwarze 289: { NULL, NULL }, /* Brq */
1.1 kristaps 290: { NULL, NULL }, /* Bro */
291: { NULL, NULL }, /* Brc */
292: { NULL, posts_text }, /* %C */
293: { NULL, NULL }, /* Es */
294: { NULL, NULL }, /* En */
295: { NULL, NULL }, /* Dx */
296: { NULL, posts_text }, /* %Q */
1.31 schwarze 297: { NULL, posts_notext }, /* br */
1.70 schwarze 298: { pres_pp, posts_sp }, /* sp */
1.38 schwarze 299: { NULL, posts_text1 }, /* %U */
1.60 schwarze 300: { NULL, NULL }, /* Ta */
1.1 kristaps 301: };
302:
1.76 schwarze 303: #define RSORD_MAX 14 /* Number of `Rs' blocks. */
304:
305: static const enum mdoct rsord[RSORD_MAX] = {
306: MDOC__A,
307: MDOC__T,
308: MDOC__B,
309: MDOC__I,
310: MDOC__J,
311: MDOC__R,
312: MDOC__N,
313: MDOC__V,
314: MDOC__P,
315: MDOC__Q,
316: MDOC__D,
317: MDOC__O,
318: MDOC__C,
319: MDOC__U
320: };
321:
1.91 ! schwarze 322: static const char * const secnames[SEC__MAX] = {
! 323: NULL,
! 324: "NAME",
! 325: "LIBRARY",
! 326: "SYNOPSIS",
! 327: "DESCRIPTION",
! 328: "IMPLEMENTATION NOTES",
! 329: "RETURN VALUES",
! 330: "ENVIRONMENT",
! 331: "FILES",
! 332: "EXIT STATUS",
! 333: "EXAMPLES",
! 334: "DIAGNOSTICS",
! 335: "COMPATIBILITY",
! 336: "ERRORS",
! 337: "SEE ALSO",
! 338: "STANDARDS",
! 339: "HISTORY",
! 340: "AUTHORS",
! 341: "CAVEATS",
! 342: "BUGS",
! 343: "SECURITY CONSIDERATIONS",
! 344: NULL
! 345: };
1.1 kristaps 346:
347: int
1.60 schwarze 348: mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n)
1.1 kristaps 349: {
350: v_pre *p;
351: int line, pos;
1.61 schwarze 352: char *tp;
1.1 kristaps 353:
1.84 schwarze 354: switch (n->type) {
355: case (MDOC_TEXT):
1.1 kristaps 356: tp = n->string;
357: line = n->line;
358: pos = n->pos;
1.76 schwarze 359: check_text(mdoc, line, pos, tp);
1.84 schwarze 360: /* FALLTHROUGH */
361: case (MDOC_TBL):
362: /* FALLTHROUGH */
1.90 schwarze 363: case (MDOC_EQN):
364: /* FALLTHROUGH */
1.84 schwarze 365: case (MDOC_ROOT):
1.76 schwarze 366: return(1);
1.84 schwarze 367: default:
368: break;
1.1 kristaps 369: }
370:
1.76 schwarze 371: check_args(mdoc, n);
372:
1.1 kristaps 373: if (NULL == mdoc_valids[n->tok].pre)
374: return(1);
375: for (p = mdoc_valids[n->tok].pre; *p; p++)
376: if ( ! (*p)(mdoc, n))
377: return(0);
378: return(1);
379: }
380:
381:
382: int
383: mdoc_valid_post(struct mdoc *mdoc)
384: {
385: v_post *p;
386:
387: if (MDOC_VALID & mdoc->last->flags)
388: return(1);
389: mdoc->last->flags |= MDOC_VALID;
390:
1.84 schwarze 391: switch (mdoc->last->type) {
392: case (MDOC_TEXT):
1.90 schwarze 393: /* FALLTHROUGH */
394: case (MDOC_EQN):
1.84 schwarze 395: /* FALLTHROUGH */
396: case (MDOC_TBL):
1.1 kristaps 397: return(1);
1.84 schwarze 398: case (MDOC_ROOT):
1.1 kristaps 399: return(post_root(mdoc));
1.84 schwarze 400: default:
401: break;
402: }
1.1 kristaps 403:
404: if (NULL == mdoc_valids[mdoc->last->tok].post)
405: return(1);
406: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
407: if ( ! (*p)(mdoc))
408: return(0);
409:
410: return(1);
411: }
412:
1.72 schwarze 413: static int
414: check_count(struct mdoc *m, enum mdoc_type type,
415: enum check_lvl lvl, enum check_ineq ineq, int val)
416: {
417: const char *p;
1.83 schwarze 418: enum mandocerr t;
1.72 schwarze 419:
420: if (m->last->type != type)
421: return(1);
422:
423: switch (ineq) {
424: case (CHECK_LT):
425: p = "less than ";
426: if (m->last->nchild < val)
427: return(1);
428: break;
429: case (CHECK_GT):
1.83 schwarze 430: p = "more than ";
1.72 schwarze 431: if (m->last->nchild > val)
432: return(1);
433: break;
434: case (CHECK_EQ):
435: p = "";
436: if (val == m->last->nchild)
437: return(1);
438: break;
1.76 schwarze 439: default:
440: abort();
441: /* NOTREACHED */
1.72 schwarze 442: }
443:
1.83 schwarze 444: t = lvl == CHECK_WARN ? MANDOCERR_ARGCWARN : MANDOCERR_ARGCOUNT;
1.91 ! schwarze 445: mdoc_vmsg(m, t, m->last->line, m->last->pos,
1.83 schwarze 446: "want %s%d children (have %d)",
1.91 ! schwarze 447: p, val, m->last->nchild);
! 448: return(1);
1.72 schwarze 449: }
450:
451: static int
452: berr_ge1(POST_ARGS)
453: {
454:
1.83 schwarze 455: return(check_count(mdoc, MDOC_BODY, CHECK_ERROR, CHECK_GT, 0));
1.72 schwarze 456: }
457:
458: static int
459: bwarn_ge1(POST_ARGS)
460: {
461: return(check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0));
462: }
463:
464: static int
1.83 schwarze 465: ewarn_eq0(POST_ARGS)
1.72 schwarze 466: {
1.83 schwarze 467: return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0));
1.72 schwarze 468: }
1.1 kristaps 469:
1.72 schwarze 470: static int
1.83 schwarze 471: ewarn_eq1(POST_ARGS)
1.1 kristaps 472: {
1.83 schwarze 473: return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1));
1.72 schwarze 474: }
1.1 kristaps 475:
1.72 schwarze 476: static int
477: ewarn_ge1(POST_ARGS)
478: {
479: return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0));
1.1 kristaps 480: }
481:
1.72 schwarze 482: static int
1.83 schwarze 483: ewarn_le1(POST_ARGS)
1.72 schwarze 484: {
1.83 schwarze 485: return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_LT, 2));
1.72 schwarze 486: }
1.1 kristaps 487:
1.72 schwarze 488: static int
1.83 schwarze 489: hwarn_eq0(POST_ARGS)
1.72 schwarze 490: {
1.83 schwarze 491: return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0));
1.72 schwarze 492: }
1.1 kristaps 493:
1.72 schwarze 494: static int
1.83 schwarze 495: hwarn_eq1(POST_ARGS)
1.72 schwarze 496: {
1.83 schwarze 497: return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 1));
1.1 kristaps 498: }
499:
1.72 schwarze 500: static int
1.83 schwarze 501: hwarn_ge1(POST_ARGS)
1.72 schwarze 502: {
1.83 schwarze 503: return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_GT, 0));
1.72 schwarze 504: }
1.1 kristaps 505:
1.72 schwarze 506: static int
507: hwarn_le1(POST_ARGS)
508: {
509: return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_LT, 2));
510: }
1.1 kristaps 511:
1.76 schwarze 512: static void
1.61 schwarze 513: check_args(struct mdoc *m, struct mdoc_node *n)
1.1 kristaps 514: {
515: int i;
516:
517: if (NULL == n->args)
1.76 schwarze 518: return;
1.1 kristaps 519:
520: assert(n->args->argc);
521: for (i = 0; i < (int)n->args->argc; i++)
1.76 schwarze 522: check_argv(m, n, &n->args->argv[i]);
1.1 kristaps 523: }
524:
1.76 schwarze 525: static void
1.61 schwarze 526: check_argv(struct mdoc *m, struct mdoc_node *n, struct mdoc_argv *v)
1.1 kristaps 527: {
528: int i;
529:
530: for (i = 0; i < (int)v->sz; i++)
1.76 schwarze 531: check_text(m, v->line, v->pos, v->value[i]);
1.1 kristaps 532:
1.76 schwarze 533: /* FIXME: move to post_std(). */
1.1 kristaps 534:
1.76 schwarze 535: if (MDOC_Std == v->arg)
536: if ( ! (v->sz || m->meta.name))
537: mdoc_nmsg(m, n, MANDOCERR_NONAME);
1.1 kristaps 538: }
539:
1.76 schwarze 540: static void
1.66 schwarze 541: check_text(struct mdoc *m, int ln, int pos, char *p)
1.1 kristaps 542: {
1.15 schwarze 543: int c;
1.66 schwarze 544: size_t sz;
1.1 kristaps 545:
1.66 schwarze 546: for ( ; *p; p++, pos++) {
547: sz = strcspn(p, "\t\\");
548: p += (int)sz;
549:
550: if ('\0' == *p)
551: break;
552:
553: pos += (int)sz;
1.65 schwarze 554:
1.1 kristaps 555: if ('\t' == *p) {
1.76 schwarze 556: if ( ! (MDOC_LITERAL & m->flags))
557: mdoc_pmsg(m, ln, pos, MANDOCERR_BADTAB);
558: continue;
1.66 schwarze 559: }
1.1 kristaps 560:
1.76 schwarze 561: if (0 == (c = mandoc_special(p))) {
562: mdoc_pmsg(m, ln, pos, MANDOCERR_BADESCAPE);
563: continue;
564: }
1.1 kristaps 565:
1.76 schwarze 566: p += c - 1;
567: pos += c - 1;
1.1 kristaps 568: }
569: }
570:
571: static int
1.44 schwarze 572: check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
1.1 kristaps 573: {
574:
575: assert(n->parent);
576: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
577: (t == n->parent->type))
578: return(1);
579:
1.55 schwarze 580: mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD,
581: n->line, n->pos, "want parent %s",
582: MDOC_ROOT == t ? "<root>" :
583: mdoc_macronames[tok]);
584: return(0);
1.1 kristaps 585: }
586:
587:
588: static int
589: pre_display(PRE_ARGS)
590: {
591: struct mdoc_node *node;
592:
593: if (MDOC_BLOCK != n->type)
594: return(1);
595:
596: for (node = mdoc->last->parent; node; node = node->parent)
597: if (MDOC_BLOCK == node->type)
598: if (MDOC_Bd == node->tok)
599: break;
1.76 schwarze 600:
1.74 schwarze 601: if (node)
602: mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP);
1.1 kristaps 603:
1.74 schwarze 604: return(1);
1.1 kristaps 605: }
606:
607:
608: static int
609: pre_bl(PRE_ARGS)
610: {
1.65 schwarze 611: int i, comp, dup;
612: const char *offs, *width;
613: enum mdoc_list lt;
614: struct mdoc_node *np;
1.1 kristaps 615:
1.60 schwarze 616: if (MDOC_BLOCK != n->type) {
1.65 schwarze 617: if (ENDBODY_NOT != n->end) {
618: assert(n->pending);
619: np = n->pending->parent;
620: } else
621: np = n->parent;
622:
623: assert(np);
624: assert(MDOC_BLOCK == np->type);
625: assert(MDOC_Bl == np->tok);
1.1 kristaps 626: return(1);
1.55 schwarze 627: }
1.1 kristaps 628:
1.60 schwarze 629: /*
630: * First figure out which kind of list to use: bind ourselves to
631: * the first mentioned list type and warn about any remaining
632: * ones. If we find no list type, we default to LIST_item.
633: */
1.1 kristaps 634:
635: /* LINTED */
1.60 schwarze 636: for (i = 0; n->args && i < (int)n->args->argc; i++) {
637: lt = LIST__NONE;
1.61 schwarze 638: dup = comp = 0;
639: width = offs = NULL;
1.60 schwarze 640: switch (n->args->argv[i].arg) {
641: /* Set list types. */
1.1 kristaps 642: case (MDOC_Bullet):
1.60 schwarze 643: lt = LIST_bullet;
644: break;
1.1 kristaps 645: case (MDOC_Dash):
1.60 schwarze 646: lt = LIST_dash;
647: break;
1.1 kristaps 648: case (MDOC_Enum):
1.60 schwarze 649: lt = LIST_enum;
650: break;
1.1 kristaps 651: case (MDOC_Hyphen):
1.60 schwarze 652: lt = LIST_hyphen;
653: break;
1.1 kristaps 654: case (MDOC_Item):
1.60 schwarze 655: lt = LIST_item;
656: break;
1.1 kristaps 657: case (MDOC_Tag):
1.60 schwarze 658: lt = LIST_tag;
659: break;
1.1 kristaps 660: case (MDOC_Diag):
1.60 schwarze 661: lt = LIST_diag;
662: break;
1.1 kristaps 663: case (MDOC_Hang):
1.60 schwarze 664: lt = LIST_hang;
665: break;
1.1 kristaps 666: case (MDOC_Ohang):
1.60 schwarze 667: lt = LIST_ohang;
668: break;
1.1 kristaps 669: case (MDOC_Inset):
1.60 schwarze 670: lt = LIST_inset;
671: break;
1.1 kristaps 672: case (MDOC_Column):
1.60 schwarze 673: lt = LIST_column;
674: break;
675: /* Set list arguments. */
1.37 schwarze 676: case (MDOC_Compact):
1.82 schwarze 677: dup = n->norm->Bl.comp;
1.61 schwarze 678: comp = 1;
1.60 schwarze 679: break;
1.1 kristaps 680: case (MDOC_Width):
1.82 schwarze 681: dup = (NULL != n->norm->Bl.width);
1.61 schwarze 682: width = n->args->argv[i].value[0];
1.5 schwarze 683: break;
1.1 kristaps 684: case (MDOC_Offset):
1.61 schwarze 685: /* NB: this can be empty! */
686: if (n->args->argv[i].sz) {
687: offs = n->args->argv[i].value[0];
1.82 schwarze 688: dup = (NULL != n->norm->Bl.offs);
1.61 schwarze 689: break;
690: }
1.76 schwarze 691: mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
1.1 kristaps 692: break;
1.66 schwarze 693: default:
694: continue;
1.1 kristaps 695: }
696:
1.60 schwarze 697: /* Check: duplicate auxiliary arguments. */
698:
1.76 schwarze 699: if (dup)
700: mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP);
1.61 schwarze 701:
702: if (comp && ! dup)
1.82 schwarze 703: n->norm->Bl.comp = comp;
1.61 schwarze 704: if (offs && ! dup)
1.82 schwarze 705: n->norm->Bl.offs = offs;
1.61 schwarze 706: if (width && ! dup)
1.82 schwarze 707: n->norm->Bl.width = width;
1.60 schwarze 708:
709: /* Check: multiple list types. */
710:
1.82 schwarze 711: if (LIST__NONE != lt && n->norm->Bl.type != LIST__NONE)
1.76 schwarze 712: mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP);
1.60 schwarze 713:
714: /* Assign list type. */
715:
1.82 schwarze 716: if (LIST__NONE != lt && n->norm->Bl.type == LIST__NONE) {
717: n->norm->Bl.type = lt;
1.65 schwarze 718: /* Set column information, too. */
719: if (LIST_column == lt) {
1.82 schwarze 720: n->norm->Bl.ncols =
1.65 schwarze 721: n->args->argv[i].sz;
1.82 schwarze 722: n->norm->Bl.cols = (const char **)
1.65 schwarze 723: n->args->argv[i].value;
724: }
725: }
1.60 schwarze 726:
727: /* The list type should come first. */
728:
1.82 schwarze 729: if (n->norm->Bl.type == LIST__NONE)
730: if (n->norm->Bl.width ||
731: n->norm->Bl.offs ||
732: n->norm->Bl.comp)
1.76 schwarze 733: mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST);
1.60 schwarze 734:
735: continue;
736: }
737:
738: /* Allow lists to default to LIST_item. */
739:
1.82 schwarze 740: if (LIST__NONE == n->norm->Bl.type) {
1.76 schwarze 741: mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE);
1.82 schwarze 742: n->norm->Bl.type = LIST_item;
1.55 schwarze 743: }
1.1 kristaps 744:
1.5 schwarze 745: /*
746: * Validate the width field. Some list types don't need width
747: * types and should be warned about them. Others should have it
748: * and must also be warned.
749: */
750:
1.82 schwarze 751: switch (n->norm->Bl.type) {
1.60 schwarze 752: case (LIST_tag):
1.82 schwarze 753: if (n->norm->Bl.width)
1.60 schwarze 754: break;
1.76 schwarze 755: mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG);
756: break;
1.60 schwarze 757: case (LIST_column):
1.1 kristaps 758: /* FALLTHROUGH */
1.60 schwarze 759: case (LIST_diag):
1.1 kristaps 760: /* FALLTHROUGH */
1.60 schwarze 761: case (LIST_ohang):
1.40 schwarze 762: /* FALLTHROUGH */
1.60 schwarze 763: case (LIST_inset):
1.1 kristaps 764: /* FALLTHROUGH */
1.60 schwarze 765: case (LIST_item):
1.82 schwarze 766: if (n->norm->Bl.width)
1.75 schwarze 767: mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
768: break;
1.5 schwarze 769: default:
770: break;
771: }
772:
1.1 kristaps 773: return(1);
774: }
775:
776:
777: static int
778: pre_bd(PRE_ARGS)
779: {
1.65 schwarze 780: int i, dup, comp;
781: enum mdoc_disp dt;
782: const char *offs;
783: struct mdoc_node *np;
1.1 kristaps 784:
1.61 schwarze 785: if (MDOC_BLOCK != n->type) {
1.65 schwarze 786: if (ENDBODY_NOT != n->end) {
787: assert(n->pending);
788: np = n->pending->parent;
789: } else
790: np = n->parent;
791:
792: assert(np);
793: assert(MDOC_BLOCK == np->type);
794: assert(MDOC_Bd == np->tok);
1.1 kristaps 795: return(1);
1.55 schwarze 796: }
1.1 kristaps 797:
798: /* LINTED */
1.61 schwarze 799: for (i = 0; n->args && i < (int)n->args->argc; i++) {
800: dt = DISP__NONE;
801: dup = comp = 0;
802: offs = NULL;
803:
1.1 kristaps 804: switch (n->args->argv[i].arg) {
1.38 schwarze 805: case (MDOC_Centred):
1.61 schwarze 806: dt = DISP_centred;
807: break;
1.1 kristaps 808: case (MDOC_Ragged):
1.61 schwarze 809: dt = DISP_ragged;
810: break;
1.1 kristaps 811: case (MDOC_Unfilled):
1.61 schwarze 812: dt = DISP_unfilled;
813: break;
1.1 kristaps 814: case (MDOC_Filled):
1.61 schwarze 815: dt = DISP_filled;
816: break;
1.1 kristaps 817: case (MDOC_Literal):
1.61 schwarze 818: dt = DISP_literal;
819: break;
820: case (MDOC_File):
821: mdoc_nmsg(mdoc, n, MANDOCERR_BADDISP);
822: return(0);
823: case (MDOC_Offset):
824: /* NB: this can be empty! */
825: if (n->args->argv[i].sz) {
826: offs = n->args->argv[i].value[0];
1.82 schwarze 827: dup = (NULL != n->norm->Bd.offs);
1.1 kristaps 828: break;
1.61 schwarze 829: }
1.76 schwarze 830: mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV);
1.55 schwarze 831: break;
1.61 schwarze 832: case (MDOC_Compact):
833: comp = 1;
1.82 schwarze 834: dup = n->norm->Bd.comp;
1.61 schwarze 835: break;
1.1 kristaps 836: default:
1.61 schwarze 837: abort();
838: /* NOTREACHED */
1.1 kristaps 839: }
840:
1.61 schwarze 841: /* Check whether we have duplicates. */
842:
1.76 schwarze 843: if (dup)
844: mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP);
1.61 schwarze 845:
846: /* Make our auxiliary assignments. */
847:
848: if (offs && ! dup)
1.82 schwarze 849: n->norm->Bd.offs = offs;
1.61 schwarze 850: if (comp && ! dup)
1.82 schwarze 851: n->norm->Bd.comp = comp;
1.61 schwarze 852:
853: /* Check whether a type has already been assigned. */
854:
1.82 schwarze 855: if (DISP__NONE != dt && n->norm->Bd.type != DISP__NONE)
1.76 schwarze 856: mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP);
1.61 schwarze 857:
858: /* Make our type assignment. */
859:
1.82 schwarze 860: if (DISP__NONE != dt && n->norm->Bd.type == DISP__NONE)
861: n->norm->Bd.type = dt;
1.61 schwarze 862: }
863:
1.82 schwarze 864: if (DISP__NONE == n->norm->Bd.type) {
1.76 schwarze 865: mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE);
1.82 schwarze 866: n->norm->Bd.type = DISP_ragged;
1.61 schwarze 867: }
868:
869: return(1);
1.1 kristaps 870: }
871:
872:
873: static int
874: pre_ss(PRE_ARGS)
875: {
876:
877: if (MDOC_BLOCK != n->type)
878: return(1);
879: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
880: }
881:
882:
883: static int
884: pre_sh(PRE_ARGS)
885: {
886:
887: if (MDOC_BLOCK != n->type)
888: return(1);
1.63 schwarze 889:
890: mdoc->regs->regs[(int)REG_nS].set = 0;
1.50 schwarze 891: return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
1.1 kristaps 892: }
893:
894:
895: static int
896: pre_it(PRE_ARGS)
897: {
898:
899: if (MDOC_BLOCK != n->type)
900: return(1);
1.76 schwarze 901:
1.1 kristaps 902: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
903: }
904:
905:
906: static int
907: pre_an(PRE_ARGS)
908: {
1.73 schwarze 909: int i;
1.1 kristaps 910:
1.65 schwarze 911: if (NULL == n->args)
1.1 kristaps 912: return(1);
1.73 schwarze 913:
914: for (i = 1; i < (int)n->args->argc; i++)
1.76 schwarze 915: mdoc_pmsg(mdoc, n->args->argv[i].line,
916: n->args->argv[i].pos, MANDOCERR_IGNARGV);
1.72 schwarze 917:
1.65 schwarze 918: if (MDOC_Split == n->args->argv[0].arg)
1.82 schwarze 919: n->norm->An.auth = AUTH_split;
1.65 schwarze 920: else if (MDOC_Nosplit == n->args->argv[0].arg)
1.82 schwarze 921: n->norm->An.auth = AUTH_nosplit;
1.65 schwarze 922: else
923: abort();
924:
925: return(1);
1.1 kristaps 926: }
927:
928: static int
1.76 schwarze 929: pre_std(PRE_ARGS)
1.60 schwarze 930: {
931:
1.76 schwarze 932: if (n->args && 1 == n->args->argc)
933: if (MDOC_Std == n->args->argv[0].arg)
934: return(1);
1.60 schwarze 935:
1.76 schwarze 936: mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV);
1.60 schwarze 937: return(1);
938: }
939:
940: static int
1.1 kristaps 941: pre_dt(PRE_ARGS)
942: {
1.40 schwarze 943:
1.89 schwarze 944: if (NULL == mdoc->meta.date || mdoc->meta.os)
1.76 schwarze 945: mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO);
946:
1.1 kristaps 947: if (mdoc->meta.title)
1.76 schwarze 948: mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP);
949:
1.1 kristaps 950: return(1);
951: }
952:
953: static int
954: pre_os(PRE_ARGS)
955: {
956:
1.89 schwarze 957: if (NULL == mdoc->meta.title || NULL == mdoc->meta.date)
1.76 schwarze 958: mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO);
959:
1.1 kristaps 960: if (mdoc->meta.os)
1.76 schwarze 961: mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP);
962:
1.1 kristaps 963: return(1);
964: }
965:
966: static int
967: pre_dd(PRE_ARGS)
968: {
969:
970: if (mdoc->meta.title || mdoc->meta.os)
1.76 schwarze 971: mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO);
972:
1.1 kristaps 973: if (mdoc->meta.date)
1.76 schwarze 974: mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP);
975:
1.1 kristaps 976: return(1);
977: }
978:
979:
980: static int
981: post_bf(POST_ARGS)
982: {
1.65 schwarze 983: struct mdoc_node *np;
1.66 schwarze 984: enum mdocargt arg;
1.65 schwarze 985:
986: /*
987: * Unlike other data pointers, these are "housed" by the HEAD
988: * element, which contains the goods.
989: */
1.1 kristaps 990:
1.65 schwarze 991: if (MDOC_HEAD != mdoc->last->type) {
992: if (ENDBODY_NOT != mdoc->last->end) {
993: assert(mdoc->last->pending);
994: np = mdoc->last->pending->parent->head;
995: } else if (MDOC_BLOCK != mdoc->last->type) {
996: np = mdoc->last->parent->head;
997: } else
998: np = mdoc->last->head;
999:
1000: assert(np);
1001: assert(MDOC_HEAD == np->type);
1002: assert(MDOC_Bf == np->tok);
1.1 kristaps 1003: return(1);
1.65 schwarze 1004: }
1005:
1006: np = mdoc->last;
1007: assert(MDOC_BLOCK == np->parent->type);
1008: assert(MDOC_Bf == np->parent->tok);
1.1 kristaps 1009:
1.65 schwarze 1010: /*
1011: * Cannot have both argument and parameter.
1012: * If neither is specified, let it through with a warning.
1013: */
1.1 kristaps 1014:
1.65 schwarze 1015: if (np->parent->args && np->child) {
1016: mdoc_nmsg(mdoc, np, MANDOCERR_SYNTARGVCOUNT);
1.55 schwarze 1017: return(0);
1.76 schwarze 1018: } else if (NULL == np->parent->args && NULL == np->child) {
1019: mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE);
1020: return(1);
1021: }
1.65 schwarze 1022:
1023: /* Extract argument into data. */
1024:
1025: if (np->parent->args) {
1026: arg = np->parent->args->argv[0].arg;
1027: if (MDOC_Emphasis == arg)
1.82 schwarze 1028: np->norm->Bf.font = FONT_Em;
1.65 schwarze 1029: else if (MDOC_Literal == arg)
1.82 schwarze 1030: np->norm->Bf.font = FONT_Li;
1.65 schwarze 1031: else if (MDOC_Symbolic == arg)
1.82 schwarze 1032: np->norm->Bf.font = FONT_Sy;
1.65 schwarze 1033: else
1034: abort();
1.10 schwarze 1035: return(1);
1.55 schwarze 1036: }
1.1 kristaps 1037:
1.65 schwarze 1038: /* Extract parameter into data. */
1.1 kristaps 1039:
1.65 schwarze 1040: if (0 == strcmp(np->child->string, "Em"))
1.82 schwarze 1041: np->norm->Bf.font = FONT_Em;
1.65 schwarze 1042: else if (0 == strcmp(np->child->string, "Li"))
1.82 schwarze 1043: np->norm->Bf.font = FONT_Li;
1.65 schwarze 1044: else if (0 == strcmp(np->child->string, "Sy"))
1.82 schwarze 1045: np->norm->Bf.font = FONT_Sy;
1.76 schwarze 1046: else
1047: mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE);
1.1 kristaps 1048:
1.65 schwarze 1049: return(1);
1.27 schwarze 1050: }
1051:
1052: static int
1053: post_lb(POST_ARGS)
1054: {
1.76 schwarze 1055: const char *p;
1056: char *buf;
1057: size_t sz;
1058:
1.83 schwarze 1059: check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1);
1060:
1.76 schwarze 1061: assert(mdoc->last->child);
1062: assert(MDOC_TEXT == mdoc->last->child->type);
1063:
1064: p = mdoc_a2lib(mdoc->last->child->string);
1.27 schwarze 1065:
1.76 schwarze 1066: /* If lookup ok, replace with table value. */
1067:
1068: if (p) {
1069: free(mdoc->last->child->string);
1070: mdoc->last->child->string = mandoc_strdup(p);
1.27 schwarze 1071: return(1);
1.76 schwarze 1072: }
1073:
1074: /* If not, use "library ``xxxx''. */
1075:
1076: sz = strlen(mdoc->last->child->string) +
1077: 2 + strlen("\\(lqlibrary\\(rq");
1078: buf = mandoc_malloc(sz);
1079: snprintf(buf, sz, "library \\(lq%s\\(rq",
1080: mdoc->last->child->string);
1081: free(mdoc->last->child->string);
1082: mdoc->last->child->string = buf;
1083: return(1);
1.59 schwarze 1084: }
1085:
1086: static int
1087: post_eoln(POST_ARGS)
1088: {
1089:
1.76 schwarze 1090: if (mdoc->last->child)
1091: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST);
1092: return(1);
1.42 schwarze 1093: }
1094:
1095:
1096: static int
1097: post_vt(POST_ARGS)
1098: {
1099: const struct mdoc_node *n;
1100:
1101: /*
1102: * The Vt macro comes in both ELEM and BLOCK form, both of which
1103: * have different syntaxes (yet more context-sensitive
1.85 schwarze 1104: * behaviour). ELEM types must have a child, which is already
1105: * guaranteed by the in_line parsing routine; BLOCK types,
1.42 schwarze 1106: * specifically the BODY, should only have TEXT children.
1107: */
1108:
1109: if (MDOC_BODY != mdoc->last->type)
1110: return(1);
1111:
1112: for (n = mdoc->last->child; n; n = n->next)
1.52 schwarze 1113: if (MDOC_TEXT != n->type)
1.76 schwarze 1114: mdoc_nmsg(mdoc, n, MANDOCERR_CHILD);
1.42 schwarze 1115:
1116: return(1);
1.1 kristaps 1117: }
1118:
1119:
1120: static int
1121: post_nm(POST_ARGS)
1122: {
1.76 schwarze 1123: char buf[BUFSIZ];
1.1 kristaps 1124:
1.76 schwarze 1125: /* If no child specified, make sure we have the meta name. */
1126:
1127: if (NULL == mdoc->last->child && NULL == mdoc->meta.name) {
1128: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME);
1.1 kristaps 1129: return(1);
1.76 schwarze 1130: } else if (mdoc->meta.name)
1.1 kristaps 1131: return(1);
1.76 schwarze 1132:
1133: /* If no meta name, set it from the child. */
1134:
1135: if ( ! concat(mdoc, buf, mdoc->last->child, BUFSIZ))
1136: return(0);
1137:
1138: mdoc->meta.name = mandoc_strdup(buf);
1139:
1140: return(1);
1141: }
1142:
1143: static int
1144: post_literal(POST_ARGS)
1145: {
1146:
1147: /*
1148: * The `Dl' (note "el" not "one") and `Bd' macros unset the
1149: * MDOC_LITERAL flag as they leave. Note that `Bd' only sets
1150: * this in literal mode, but it doesn't hurt to just switch it
1151: * off in general since displays can't be nested.
1152: */
1153:
1154: if (MDOC_BODY == mdoc->last->type)
1155: mdoc->flags &= ~MDOC_LITERAL;
1156:
1157: return(1);
1.1 kristaps 1158: }
1159:
1.76 schwarze 1160: static int
1161: post_defaults(POST_ARGS)
1162: {
1163: struct mdoc_node *nn;
1164:
1165: /*
1166: * The `Ar' defaults to "file ..." if no value is provided as an
1167: * argument; the `Mt' and `Pa' macros use "~"; the `Li' just
1168: * gets an empty string.
1169: */
1170:
1171: if (mdoc->last->child)
1172: return(1);
1173:
1174: nn = mdoc->last;
1175: mdoc->next = MDOC_NEXT_CHILD;
1176:
1177: switch (nn->tok) {
1178: case (MDOC_Ar):
1179: if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "file"))
1180: return(0);
1181: if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "..."))
1182: return(0);
1183: break;
1184: case (MDOC_At):
1185: if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "AT&T"))
1186: return(0);
1187: if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "UNIX"))
1188: return(0);
1189: break;
1190: case (MDOC_Li):
1191: if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, ""))
1192: return(0);
1193: break;
1194: case (MDOC_Pa):
1195: /* FALLTHROUGH */
1196: case (MDOC_Mt):
1197: if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "~"))
1198: return(0);
1199: break;
1200: default:
1201: abort();
1202: /* NOTREACHED */
1203: }
1204:
1205: mdoc->last = nn;
1206: return(1);
1207: }
1.1 kristaps 1208:
1209: static int
1210: post_at(POST_ARGS)
1211: {
1.76 schwarze 1212: const char *p, *q;
1213: char *buf;
1214: size_t sz;
1.1 kristaps 1215:
1.76 schwarze 1216: /*
1217: * If we have a child, look it up in the standard keys. If a
1218: * key exist, use that instead of the child; if it doesn't,
1219: * prefix "AT&T UNIX " to the existing data.
1220: */
1221:
1.1 kristaps 1222: if (NULL == mdoc->last->child)
1223: return(1);
1.76 schwarze 1224:
1.55 schwarze 1225: assert(MDOC_TEXT == mdoc->last->child->type);
1.76 schwarze 1226: p = mdoc_a2att(mdoc->last->child->string);
1227:
1228: if (p) {
1229: free(mdoc->last->child->string);
1230: mdoc->last->child->string = mandoc_strdup(p);
1231: } else {
1232: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT);
1233: p = "AT&T UNIX ";
1234: q = mdoc->last->child->string;
1235: sz = strlen(p) + strlen(q) + 1;
1236: buf = mandoc_malloc(sz);
1237: strlcpy(buf, p, sz);
1238: strlcat(buf, q, sz);
1239: free(mdoc->last->child->string);
1240: mdoc->last->child->string = buf;
1241: }
1242:
1243: return(1);
1.1 kristaps 1244: }
1245:
1246: static int
1247: post_an(POST_ARGS)
1248: {
1.65 schwarze 1249: struct mdoc_node *np;
1.1 kristaps 1250:
1.65 schwarze 1251: np = mdoc->last;
1.85 schwarze 1252: if (AUTH__NONE == np->norm->An.auth) {
1253: if (0 == np->child)
1254: check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0);
1255: } else if (np->child)
1.83 schwarze 1256: check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0);
1.76 schwarze 1257:
1258: return(1);
1.1 kristaps 1259: }
1260:
1261:
1262: static int
1263: post_it(POST_ARGS)
1264: {
1.91 ! schwarze 1265: int i, cols;
1.60 schwarze 1266: enum mdoc_list lt;
1.1 kristaps 1267: struct mdoc_node *n, *c;
1.60 schwarze 1268: enum mandocerr er;
1.1 kristaps 1269:
1270: if (MDOC_BLOCK != mdoc->last->type)
1271: return(1);
1272:
1273: n = mdoc->last->parent->parent;
1.82 schwarze 1274: lt = n->norm->Bl.type;
1.60 schwarze 1275:
1276: if (LIST__NONE == lt) {
1.55 schwarze 1277: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
1.76 schwarze 1278: return(1);
1.55 schwarze 1279: }
1.1 kristaps 1280:
1.60 schwarze 1281: switch (lt) {
1282: case (LIST_tag):
1283: if (mdoc->last->head->child)
1.1 kristaps 1284: break;
1.60 schwarze 1285: /* FIXME: give this a dummy value. */
1.76 schwarze 1286: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS);
1.1 kristaps 1287: break;
1.60 schwarze 1288: case (LIST_hang):
1.1 kristaps 1289: /* FALLTHROUGH */
1.60 schwarze 1290: case (LIST_ohang):
1.1 kristaps 1291: /* FALLTHROUGH */
1.60 schwarze 1292: case (LIST_inset):
1.1 kristaps 1293: /* FALLTHROUGH */
1.60 schwarze 1294: case (LIST_diag):
1.1 kristaps 1295: if (NULL == mdoc->last->head->child)
1.76 schwarze 1296: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS);
1.1 kristaps 1297: break;
1.60 schwarze 1298: case (LIST_bullet):
1.1 kristaps 1299: /* FALLTHROUGH */
1.60 schwarze 1300: case (LIST_dash):
1.1 kristaps 1301: /* FALLTHROUGH */
1.60 schwarze 1302: case (LIST_enum):
1.1 kristaps 1303: /* FALLTHROUGH */
1.60 schwarze 1304: case (LIST_hyphen):
1.64 schwarze 1305: if (NULL == mdoc->last->body->child)
1.76 schwarze 1306: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY);
1.1 kristaps 1307: /* FALLTHROUGH */
1.60 schwarze 1308: case (LIST_item):
1.1 kristaps 1309: if (mdoc->last->head->child)
1.76 schwarze 1310: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST);
1.1 kristaps 1311: break;
1.60 schwarze 1312: case (LIST_column):
1.82 schwarze 1313: cols = (int)n->norm->Bl.ncols;
1.60 schwarze 1314:
1315: assert(NULL == mdoc->last->head->child);
1316:
1317: if (NULL == mdoc->last->body->child)
1.76 schwarze 1318: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY);
1.60 schwarze 1319:
1320: for (i = 0, c = mdoc->last->child; c; c = c->next)
1321: if (MDOC_BODY == c->type)
1322: i++;
1323:
1324: if (i < cols)
1325: er = MANDOCERR_ARGCOUNT;
1326: else if (i == cols || i == cols + 1)
1.1 kristaps 1327: break;
1.60 schwarze 1328: else
1329: er = MANDOCERR_SYNTARGCOUNT;
1.32 schwarze 1330:
1.91 ! schwarze 1331: mdoc_vmsg(mdoc, er, mdoc->last->line, mdoc->last->pos,
1.55 schwarze 1332: "columns == %d (have %d)", cols, i);
1.91 ! schwarze 1333: return(MANDOCERR_ARGCOUNT == er);
1.1 kristaps 1334: default:
1335: break;
1336: }
1337:
1338: return(1);
1339: }
1340:
1341: static int
1.76 schwarze 1342: post_bl_block(POST_ARGS)
1.11 schwarze 1343: {
1.60 schwarze 1344: struct mdoc_node *n;
1.11 schwarze 1345:
1.76 schwarze 1346: /*
1347: * These are fairly complicated, so we've broken them into two
1348: * functions. post_bl_block_tag() is called when a -tag is
1349: * specified, but no -width (it must be guessed). The second
1350: * when a -width is specified (macro indicators must be
1351: * rewritten into real lengths).
1352: */
1353:
1354: n = mdoc->last;
1.11 schwarze 1355:
1.82 schwarze 1356: if (LIST_tag == n->norm->Bl.type &&
1357: NULL == n->norm->Bl.width) {
1.76 schwarze 1358: if ( ! post_bl_block_tag(mdoc))
1.60 schwarze 1359: return(0);
1.82 schwarze 1360: } else if (NULL != n->norm->Bl.width) {
1.76 schwarze 1361: if ( ! post_bl_block_width(mdoc))
1362: return(0);
1363: } else
1.60 schwarze 1364: return(1);
1.11 schwarze 1365:
1.82 schwarze 1366: assert(n->norm->Bl.width);
1.76 schwarze 1367: return(1);
1.11 schwarze 1368: }
1369:
1370: static int
1.76 schwarze 1371: post_bl_block_width(POST_ARGS)
1.1 kristaps 1372: {
1.76 schwarze 1373: size_t width;
1374: int i;
1375: enum mdoct tok;
1376: struct mdoc_node *n;
1377: char buf[NUMSIZ];
1.1 kristaps 1378:
1.76 schwarze 1379: n = mdoc->last;
1.1 kristaps 1380:
1.41 schwarze 1381: /*
1.76 schwarze 1382: * Calculate the real width of a list from the -width string,
1383: * which may contain a macro (with a known default width), a
1384: * literal string, or a scaling width.
1385: *
1386: * If the value to -width is a macro, then we re-write it to be
1387: * the macro's width as set in share/tmac/mdoc/doc-common.
1.41 schwarze 1388: */
1389:
1.82 schwarze 1390: if (0 == strcmp(n->norm->Bl.width, "Ds"))
1.76 schwarze 1391: width = 6;
1.82 schwarze 1392: else if (MDOC_MAX == (tok = mdoc_hash_find(n->norm->Bl.width)))
1.76 schwarze 1393: return(1);
1.91 ! schwarze 1394: else if (0 == (width = macro2len(tok))) {
1.76 schwarze 1395: mdoc_nmsg(mdoc, n, MANDOCERR_BADWIDTH);
1396: return(1);
1.1 kristaps 1397: }
1398:
1.76 schwarze 1399: /* The value already exists: free and reallocate it. */
1400:
1401: assert(n->args);
1402:
1403: for (i = 0; i < (int)n->args->argc; i++)
1404: if (MDOC_Width == n->args->argv[i].arg)
1405: break;
1406:
1407: assert(i < (int)n->args->argc);
1408:
1409: snprintf(buf, NUMSIZ, "%zun", width);
1410: free(n->args->argv[i].value[0]);
1411: n->args->argv[i].value[0] = mandoc_strdup(buf);
1412:
1413: /* Set our width! */
1.82 schwarze 1414: n->norm->Bl.width = n->args->argv[i].value[0];
1.1 kristaps 1415: return(1);
1416: }
1417:
1418: static int
1.76 schwarze 1419: post_bl_block_tag(POST_ARGS)
1.1 kristaps 1420: {
1.76 schwarze 1421: struct mdoc_node *n, *nn;
1422: size_t sz, ssz;
1423: int i;
1424: char buf[NUMSIZ];
1425:
1426: /*
1427: * Calculate the -width for a `Bl -tag' list if it hasn't been
1428: * provided. Uses the first head macro. NOTE AGAIN: this is
1429: * ONLY if the -width argument has NOT been provided. See
1430: * post_bl_block_width() for converting the -width string.
1431: */
1432:
1433: sz = 10;
1434: n = mdoc->last;
1435:
1436: for (nn = n->body->child; nn; nn = nn->next) {
1437: if (MDOC_It != nn->tok)
1438: continue;
1439:
1440: assert(MDOC_BLOCK == nn->type);
1441: nn = nn->head->child;
1442:
1443: if (nn == NULL)
1444: break;
1.1 kristaps 1445:
1.76 schwarze 1446: if (MDOC_TEXT == nn->type) {
1447: sz = strlen(nn->string) + 1;
1.1 kristaps 1448: break;
1.76 schwarze 1449: }
1450:
1.91 ! schwarze 1451: if (0 != (ssz = macro2len(nn->tok)))
1.76 schwarze 1452: sz = ssz;
1453:
1.1 kristaps 1454: break;
1.76 schwarze 1455: }
1456:
1457: /* Defaults to ten ens. */
1458:
1459: snprintf(buf, NUMSIZ, "%zun", sz);
1.1 kristaps 1460:
1.76 schwarze 1461: /*
1462: * We have to dynamically add this to the macro's argument list.
1463: * We're guaranteed that a MDOC_Width doesn't already exist.
1464: */
1.1 kristaps 1465:
1.76 schwarze 1466: assert(n->args);
1467: i = (int)(n->args->argc)++;
1.1 kristaps 1468:
1.76 schwarze 1469: n->args->argv = mandoc_realloc(n->args->argv,
1470: n->args->argc * sizeof(struct mdoc_argv));
1.1 kristaps 1471:
1.76 schwarze 1472: n->args->argv[i].arg = MDOC_Width;
1473: n->args->argv[i].line = n->line;
1474: n->args->argv[i].pos = n->pos;
1475: n->args->argv[i].sz = 1;
1476: n->args->argv[i].value = mandoc_malloc(sizeof(char *));
1477: n->args->argv[i].value[0] = mandoc_strdup(buf);
1.1 kristaps 1478:
1.76 schwarze 1479: /* Set our width! */
1.82 schwarze 1480: n->norm->Bl.width = n->args->argv[i].value[0];
1.76 schwarze 1481: return(1);
1.1 kristaps 1482: }
1483:
1484:
1485: static int
1.76 schwarze 1486: post_bl_head(POST_ARGS)
1.1 kristaps 1487: {
1.76 schwarze 1488: struct mdoc_node *np, *nn, *nnp;
1489: int i, j;
1.1 kristaps 1490:
1.82 schwarze 1491: if (LIST_column != mdoc->last->norm->Bl.type)
1.76 schwarze 1492: /* FIXME: this should be ERROR class... */
1493: return(hwarn_eq0(mdoc));
1.36 schwarze 1494:
1.76 schwarze 1495: /*
1496: * Convert old-style lists, where the column width specifiers
1497: * trail as macro parameters, to the new-style ("normal-form")
1498: * lists where they're argument values following -column.
1499: */
1.36 schwarze 1500:
1.76 schwarze 1501: /* First, disallow both types and allow normal-form. */
1.36 schwarze 1502:
1.76 schwarze 1503: /*
1504: * TODO: technically, we can accept both and just merge the two
1505: * lists, but I'll leave that for another day.
1506: */
1507:
1.82 schwarze 1508: if (mdoc->last->norm->Bl.ncols && mdoc->last->nchild) {
1.76 schwarze 1509: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_COLUMNS);
1510: return(0);
1511: } else if (NULL == mdoc->last->child)
1512: return(1);
1513:
1514: np = mdoc->last->parent;
1515: assert(np->args);
1516:
1517: for (j = 0; j < (int)np->args->argc; j++)
1518: if (MDOC_Column == np->args->argv[j].arg)
1519: break;
1520:
1521: assert(j < (int)np->args->argc);
1522: assert(0 == np->args->argv[j].sz);
1523:
1524: /*
1525: * Accomodate for new-style groff column syntax. Shuffle the
1526: * child nodes, all of which must be TEXT, as arguments for the
1527: * column field. Then, delete the head children.
1528: */
1529:
1530: np->args->argv[j].sz = (size_t)mdoc->last->nchild;
1531: np->args->argv[j].value = mandoc_malloc
1532: ((size_t)mdoc->last->nchild * sizeof(char *));
1533:
1.82 schwarze 1534: mdoc->last->norm->Bl.ncols = np->args->argv[j].sz;
1535: mdoc->last->norm->Bl.cols = (const char **)np->args->argv[j].value;
1.76 schwarze 1536:
1537: for (i = 0, nn = mdoc->last->child; nn; i++) {
1538: np->args->argv[j].value[i] = nn->string;
1539: nn->string = NULL;
1540: nnp = nn;
1541: nn = nn->next;
1542: mdoc_node_delete(NULL, nnp);
1543: }
1544:
1545: mdoc->last->nchild = 0;
1546: mdoc->last->child = NULL;
1547:
1548: return(1);
1549: }
1550:
1551: static int
1552: post_bl(POST_ARGS)
1553: {
1554: struct mdoc_node *n;
1555:
1556: if (MDOC_HEAD == mdoc->last->type)
1557: return(post_bl_head(mdoc));
1558: if (MDOC_BLOCK == mdoc->last->type)
1559: return(post_bl_block(mdoc));
1.36 schwarze 1560: if (MDOC_BODY != mdoc->last->type)
1561: return(1);
1562:
1.76 schwarze 1563: for (n = mdoc->last->child; n; n = n->next) {
1.79 schwarze 1564: switch (n->tok) {
1565: case (MDOC_Lp):
1566: /* FALLTHROUGH */
1567: case (MDOC_Pp):
1568: mdoc_nmsg(mdoc, n, MANDOCERR_CHILD);
1569: /* FALLTHROUGH */
1570: case (MDOC_It):
1571: /* FALLTHROUGH */
1572: case (MDOC_Sm):
1.76 schwarze 1573: continue;
1.79 schwarze 1574: default:
1575: break;
1576: }
1577:
1.76 schwarze 1578: mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
1579: return(0);
1580: }
1581:
1582: return(1);
1583: }
1584:
1585: static int
1586: ebool(struct mdoc *mdoc)
1587: {
1588:
1.83 schwarze 1589: if (NULL == mdoc->last->child) {
1590: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_MACROEMPTY);
1591: mdoc_node_delete(mdoc, mdoc->last);
1.76 schwarze 1592: return(1);
1.83 schwarze 1593: }
1594: check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1);
1.76 schwarze 1595:
1596: assert(MDOC_TEXT == mdoc->last->child->type);
1597:
1598: if (0 == strcmp(mdoc->last->child->string, "on"))
1599: return(1);
1600: if (0 == strcmp(mdoc->last->child->string, "off"))
1601: return(1);
1602:
1603: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADBOOL);
1604: return(1);
1605: }
1606:
1607: static int
1608: post_root(POST_ARGS)
1609: {
1610: int erc;
1611: struct mdoc_node *n;
1612:
1613: erc = 0;
1614:
1615: /* Check that we have a finished prologue. */
1616:
1617: if ( ! (MDOC_PBODY & mdoc->flags)) {
1618: erc++;
1619: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
1620: }
1621:
1622: n = mdoc->first;
1623: assert(n);
1624:
1625: /* Check that we begin with a proper `Sh'. */
1626:
1627: if (NULL == n->child) {
1628: erc++;
1629: mdoc_nmsg(mdoc, n, MANDOCERR_NODOCBODY);
1630: } else if (MDOC_BLOCK != n->child->type ||
1631: MDOC_Sh != n->child->tok) {
1632: erc++;
1633: /* Can this be lifted? See rxdebug.1 for example. */
1634: mdoc_nmsg(mdoc, n, MANDOCERR_NODOCBODY);
1635: }
1636:
1637: return(erc ? 0 : 1);
1638: }
1639:
1640: static int
1641: post_st(POST_ARGS)
1642: {
1.83 schwarze 1643: struct mdoc_node *ch;
1644: const char *p;
1.76 schwarze 1645:
1.83 schwarze 1646: if (NULL == (ch = mdoc->last->child)) {
1647: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_MACROEMPTY);
1648: mdoc_node_delete(mdoc, mdoc->last);
1649: return(1);
1650: }
1.76 schwarze 1651:
1.83 schwarze 1652: assert(MDOC_TEXT == ch->type);
1.76 schwarze 1653:
1.83 schwarze 1654: if (NULL == (p = mdoc_a2st(ch->string))) {
1.76 schwarze 1655: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD);
1656: mdoc_node_delete(mdoc, mdoc->last);
1657: } else {
1.83 schwarze 1658: free(ch->string);
1659: ch->string = mandoc_strdup(p);
1.76 schwarze 1660: }
1661:
1662: return(1);
1663: }
1664:
1665: static int
1666: post_rs(POST_ARGS)
1667: {
1668: struct mdoc_node *nn, *next, *prev;
1669: int i, j;
1670:
1.83 schwarze 1671: switch (mdoc->last->type) {
1672: case (MDOC_HEAD):
1673: check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0);
1674: return(1);
1675: case (MDOC_BODY):
1676: if (mdoc->last->child)
1677: break;
1678: check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0);
1679: return(1);
1680: default:
1.76 schwarze 1681: return(1);
1.83 schwarze 1682: }
1.76 schwarze 1683:
1684: /*
1685: * Make sure only certain types of nodes are allowed within the
1686: * the `Rs' body. Delete offending nodes and raise a warning.
1687: * Do this before re-ordering for the sake of clarity.
1688: */
1689:
1690: next = NULL;
1691: for (nn = mdoc->last->child; nn; nn = next) {
1692: for (i = 0; i < RSORD_MAX; i++)
1693: if (nn->tok == rsord[i])
1694: break;
1695:
1696: if (i < RSORD_MAX) {
1.86 schwarze 1697: if (MDOC__J == rsord[i] || MDOC__B == rsord[i])
1698: mdoc->last->norm->Rs.quote_T++;
1.76 schwarze 1699: next = nn->next;
1700: continue;
1701: }
1702:
1703: next = nn->next;
1704: mdoc_nmsg(mdoc, nn, MANDOCERR_CHILD);
1705: mdoc_node_delete(mdoc, nn);
1706: }
1707:
1708: /*
1709: * The full `Rs' block needs special handling to order the
1710: * sub-elements according to `rsord'. Pick through each element
1711: * and correctly order it. This is a insertion sort.
1712: */
1713:
1714: next = NULL;
1715: for (nn = mdoc->last->child->next; nn; nn = next) {
1716: /* Determine order of `nn'. */
1717: for (i = 0; i < RSORD_MAX; i++)
1718: if (rsord[i] == nn->tok)
1719: break;
1720:
1721: /*
1722: * Remove `nn' from the chain. This somewhat
1723: * repeats mdoc_node_unlink(), but since we're
1724: * just re-ordering, there's no need for the
1725: * full unlink process.
1726: */
1727:
1728: if (NULL != (next = nn->next))
1729: next->prev = nn->prev;
1730:
1731: if (NULL != (prev = nn->prev))
1732: prev->next = nn->next;
1733:
1734: nn->prev = nn->next = NULL;
1735:
1736: /*
1737: * Scan back until we reach a node that's
1738: * ordered before `nn'.
1739: */
1740:
1741: for ( ; prev ; prev = prev->prev) {
1742: /* Determine order of `prev'. */
1743: for (j = 0; j < RSORD_MAX; j++)
1744: if (rsord[j] == prev->tok)
1745: break;
1746:
1747: if (j <= i)
1748: break;
1749: }
1750:
1751: /*
1752: * Set `nn' back into its correct place in front
1753: * of the `prev' node.
1754: */
1755:
1756: nn->prev = prev;
1757:
1758: if (prev) {
1759: if (prev->next)
1760: prev->next->prev = nn;
1761: nn->next = prev->next;
1762: prev->next = nn;
1763: } else {
1764: mdoc->last->child->prev = nn;
1765: nn->next = mdoc->last->child;
1766: mdoc->last->child = nn;
1.36 schwarze 1767: }
1.76 schwarze 1768: }
1.36 schwarze 1769:
1.88 schwarze 1770: return(1);
1771: }
1772:
1773: static int
1774: post_ns(POST_ARGS)
1775: {
1776:
1777: if (MDOC_LINE & mdoc->last->flags)
1778: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_IGNNS);
1.36 schwarze 1779: return(1);
1.1 kristaps 1780: }
1781:
1782: static int
1783: post_sh(POST_ARGS)
1784: {
1785:
1786: if (MDOC_HEAD == mdoc->last->type)
1787: return(post_sh_head(mdoc));
1788: if (MDOC_BODY == mdoc->last->type)
1789: return(post_sh_body(mdoc));
1790:
1791: return(1);
1792: }
1793:
1794: static int
1795: post_sh_body(POST_ARGS)
1796: {
1797: struct mdoc_node *n;
1798:
1.26 schwarze 1799: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1800: return(1);
1801:
1802: /*
1803: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1804: * macros (can have multiple `Nm' and one `Nd'). Note that the
1805: * children of the BODY declaration can also be "text".
1806: */
1807:
1.76 schwarze 1808: if (NULL == (n = mdoc->last->child)) {
1809: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC);
1810: return(1);
1811: }
1.1 kristaps 1812:
1813: for ( ; n && n->next; n = n->next) {
1814: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1815: continue;
1816: if (MDOC_TEXT == n->type)
1817: continue;
1.76 schwarze 1818: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC);
1.1 kristaps 1819: }
1820:
1.34 schwarze 1821: assert(n);
1.25 schwarze 1822: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1823: return(1);
1.76 schwarze 1824:
1825: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC);
1826: return(1);
1.1 kristaps 1827: }
1828:
1829: static int
1830: post_sh_head(POST_ARGS)
1831: {
1.76 schwarze 1832: char buf[BUFSIZ];
1833: enum mdoc_sec sec;
1.1 kristaps 1834:
1835: /*
1836: * Process a new section. Sections are either "named" or
1.76 schwarze 1837: * "custom". Custom sections are user-defined, while named ones
1838: * follow a conventional order and may only appear in certain
1839: * manual sections.
1.1 kristaps 1840: */
1841:
1.76 schwarze 1842: if ( ! concat(mdoc, buf, mdoc->last->child, BUFSIZ))
1843: return(0);
1844:
1.91 ! schwarze 1845: sec = a2sec(buf);
1.76 schwarze 1846:
1847: /* The NAME should be first. */
1.55 schwarze 1848:
1.76 schwarze 1849: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1850: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST);
1.1 kristaps 1851:
1.76 schwarze 1852: /* The SYNOPSIS gets special attention in other areas. */
1.9 schwarze 1853:
1.76 schwarze 1854: if (SEC_SYNOPSIS == sec)
1855: mdoc->flags |= MDOC_SYNOPSIS;
1856: else
1857: mdoc->flags &= ~MDOC_SYNOPSIS;
1.1 kristaps 1858:
1.76 schwarze 1859: /* Mark our last section. */
1.1 kristaps 1860:
1.76 schwarze 1861: mdoc->lastsec = sec;
1.1 kristaps 1862:
1.76 schwarze 1863: /* We don't care about custom sections after this. */
1.51 schwarze 1864:
1.1 kristaps 1865: if (SEC_CUSTOM == sec)
1866: return(1);
1.51 schwarze 1867:
1.76 schwarze 1868: /*
1869: * Check whether our non-custom section is being repeated or is
1870: * out of order.
1871: */
1872:
1.1 kristaps 1873: if (sec == mdoc->lastnamed)
1.76 schwarze 1874: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP);
1.51 schwarze 1875:
1.1 kristaps 1876: if (sec < mdoc->lastnamed)
1.76 schwarze 1877: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO);
1878:
1879: /* Mark the last named section. */
1880:
1881: mdoc->lastnamed = sec;
1882:
1883: /* Check particular section/manual conventions. */
1.1 kristaps 1884:
1.76 schwarze 1885: assert(mdoc->meta.msec);
1.1 kristaps 1886:
1887: switch (sec) {
1.76 schwarze 1888: case (SEC_RETURN_VALUES):
1889: /* FALLTHROUGH */
1890: case (SEC_ERRORS):
1891: /* FALLTHROUGH */
1.1 kristaps 1892: case (SEC_LIBRARY):
1.54 schwarze 1893: if (*mdoc->meta.msec == '2')
1894: break;
1895: if (*mdoc->meta.msec == '3')
1896: break;
1897: if (*mdoc->meta.msec == '9')
1.1 kristaps 1898: break;
1.76 schwarze 1899: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC);
1900: break;
1.1 kristaps 1901: default:
1902: break;
1903: }
1904:
1.70 schwarze 1905: return(1);
1906: }
1907:
1.76 schwarze 1908: static int
1.79 schwarze 1909: post_ignpar(POST_ARGS)
1910: {
1911: struct mdoc_node *np;
1912:
1913: if (MDOC_BODY != mdoc->last->type)
1914: return(1);
1915:
1916: if (NULL != (np = mdoc->last->child))
1917: if (MDOC_Pp == np->tok || MDOC_Lp == np->tok) {
1918: mdoc_nmsg(mdoc, np, MANDOCERR_IGNPAR);
1919: mdoc_node_delete(mdoc, np);
1920: }
1921:
1922: if (NULL != (np = mdoc->last->last))
1923: if (MDOC_Pp == np->tok || MDOC_Lp == np->tok) {
1924: mdoc_nmsg(mdoc, np, MANDOCERR_IGNPAR);
1925: mdoc_node_delete(mdoc, np);
1926: }
1.76 schwarze 1927:
1928: return(1);
1929: }
1.70 schwarze 1930:
1931: static int
1.76 schwarze 1932: pre_par(PRE_ARGS)
1.70 schwarze 1933: {
1934:
1935: if (NULL == mdoc->last)
1936: return(1);
1.79 schwarze 1937: if (MDOC_ELEM != n->type && MDOC_BLOCK != n->type)
1938: return(1);
1.70 schwarze 1939:
1.76 schwarze 1940: /*
1941: * Don't allow prior `Lp' or `Pp' prior to a paragraph-type
1942: * block: `Lp', `Pp', or non-compact `Bd' or `Bl'.
1943: */
1.70 schwarze 1944:
1945: if (MDOC_Pp != mdoc->last->tok && MDOC_Lp != mdoc->last->tok)
1946: return(1);
1.82 schwarze 1947: if (MDOC_Bl == n->tok && n->norm->Bl.comp)
1.70 schwarze 1948: return(1);
1.82 schwarze 1949: if (MDOC_Bd == n->tok && n->norm->Bd.comp)
1.79 schwarze 1950: return(1);
1.82 schwarze 1951: if (MDOC_It == n->tok && n->parent->norm->Bl.comp)
1.70 schwarze 1952: return(1);
1953:
1954: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_IGNPAR);
1955: mdoc_node_delete(mdoc, mdoc->last);
1.1 kristaps 1956: return(1);
1957: }
1.76 schwarze 1958:
1959: static int
1960: pre_literal(PRE_ARGS)
1961: {
1962:
1963: if (MDOC_BODY != n->type)
1964: return(1);
1965:
1966: /*
1967: * The `Dl' (note "el" not "one") and `Bd -literal' and `Bd
1968: * -unfilled' macros set MDOC_LITERAL on entrance to the body.
1969: */
1970:
1971: switch (n->tok) {
1972: case (MDOC_Dl):
1973: mdoc->flags |= MDOC_LITERAL;
1974: break;
1975: case (MDOC_Bd):
1.82 schwarze 1976: if (DISP_literal == n->norm->Bd.type)
1.76 schwarze 1977: mdoc->flags |= MDOC_LITERAL;
1.82 schwarze 1978: if (DISP_unfilled == n->norm->Bd.type)
1.76 schwarze 1979: mdoc->flags |= MDOC_LITERAL;
1980: break;
1981: default:
1982: abort();
1983: /* NOTREACHED */
1984: }
1985:
1986: return(1);
1987: }
1988:
1989: static int
1990: post_dd(POST_ARGS)
1991: {
1992: char buf[DATESIZE];
1993: struct mdoc_node *n;
1994:
1.89 schwarze 1995: if (mdoc->meta.date)
1996: free(mdoc->meta.date);
1997:
1.76 schwarze 1998: n = mdoc->last;
1.89 schwarze 1999: if (NULL == n->child || '\0' == n->child->string[0]) {
2000: mdoc->meta.date = mandoc_normdate(NULL,
2001: mdoc->msg, mdoc->data, n->line, n->pos);
1.76 schwarze 2002: return(1);
2003: }
2004:
2005: if ( ! concat(mdoc, buf, n->child, DATESIZE))
2006: return(0);
2007:
1.89 schwarze 2008: mdoc->meta.date = mandoc_normdate(buf,
2009: mdoc->msg, mdoc->data, n->line, n->pos);
1.76 schwarze 2010:
2011: return(1);
2012: }
2013:
2014: static int
2015: post_dt(POST_ARGS)
2016: {
2017: struct mdoc_node *nn, *n;
2018: const char *cp;
2019: char *p;
2020:
2021: n = mdoc->last;
2022:
2023: if (mdoc->meta.title)
2024: free(mdoc->meta.title);
2025: if (mdoc->meta.vol)
2026: free(mdoc->meta.vol);
2027: if (mdoc->meta.arch)
2028: free(mdoc->meta.arch);
2029:
2030: mdoc->meta.title = mdoc->meta.vol = mdoc->meta.arch = NULL;
2031:
2032: /* First make all characters uppercase. */
2033:
2034: if (NULL != (nn = n->child))
2035: for (p = nn->string; *p; p++) {
2036: if (toupper((u_char)*p) == *p)
2037: continue;
2038:
2039: /*
2040: * FIXME: don't be lazy: have this make all
2041: * characters be uppercase and just warn once.
2042: */
2043: mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE);
2044: break;
2045: }
2046:
2047: /* Handles: `.Dt'
2048: * --> title = unknown, volume = local, msec = 0, arch = NULL
2049: */
2050:
2051: if (NULL == (nn = n->child)) {
2052: /* XXX: make these macro values. */
2053: /* FIXME: warn about missing values. */
2054: mdoc->meta.title = mandoc_strdup("UNKNOWN");
2055: mdoc->meta.vol = mandoc_strdup("LOCAL");
2056: mdoc->meta.msec = mandoc_strdup("1");
2057: return(1);
2058: }
2059:
2060: /* Handles: `.Dt TITLE'
2061: * --> title = TITLE, volume = local, msec = 0, arch = NULL
2062: */
2063:
2064: mdoc->meta.title = mandoc_strdup
2065: ('\0' == nn->string[0] ? "UNKNOWN" : nn->string);
2066:
2067: if (NULL == (nn = nn->next)) {
2068: /* FIXME: warn about missing msec. */
2069: /* XXX: make this a macro value. */
2070: mdoc->meta.vol = mandoc_strdup("LOCAL");
2071: mdoc->meta.msec = mandoc_strdup("1");
2072: return(1);
2073: }
2074:
2075: /* Handles: `.Dt TITLE SEC'
2076: * --> title = TITLE, volume = SEC is msec ?
2077: * format(msec) : SEC,
2078: * msec = SEC is msec ? atoi(msec) : 0,
2079: * arch = NULL
2080: */
2081:
2082: cp = mdoc_a2msec(nn->string);
2083: if (cp) {
2084: mdoc->meta.vol = mandoc_strdup(cp);
2085: mdoc->meta.msec = mandoc_strdup(nn->string);
2086: } else {
2087: mdoc_nmsg(mdoc, n, MANDOCERR_BADMSEC);
2088: mdoc->meta.vol = mandoc_strdup(nn->string);
2089: mdoc->meta.msec = mandoc_strdup(nn->string);
2090: }
2091:
2092: if (NULL == (nn = nn->next))
2093: return(1);
2094:
2095: /* Handles: `.Dt TITLE SEC VOL'
2096: * --> title = TITLE, volume = VOL is vol ?
2097: * format(VOL) :
2098: * VOL is arch ? format(arch) :
2099: * VOL
2100: */
2101:
2102: cp = mdoc_a2vol(nn->string);
2103: if (cp) {
2104: free(mdoc->meta.vol);
2105: mdoc->meta.vol = mandoc_strdup(cp);
2106: } else {
2107: /* FIXME: warn about bad arch. */
2108: cp = mdoc_a2arch(nn->string);
2109: if (NULL == cp) {
2110: free(mdoc->meta.vol);
2111: mdoc->meta.vol = mandoc_strdup(nn->string);
2112: } else
2113: mdoc->meta.arch = mandoc_strdup(cp);
2114: }
2115:
2116: /* Ignore any subsequent parameters... */
2117: /* FIXME: warn about subsequent parameters. */
2118:
2119: return(1);
2120: }
2121:
2122: static int
2123: post_prol(POST_ARGS)
2124: {
2125: /*
2126: * Remove prologue macros from the document after they're
2127: * processed. The final document uses mdoc_meta for these
2128: * values and discards the originals.
2129: */
2130:
2131: mdoc_node_delete(mdoc, mdoc->last);
2132: if (mdoc->meta.title && mdoc->meta.date && mdoc->meta.os)
2133: mdoc->flags |= MDOC_PBODY;
1.87 schwarze 2134:
2135: return(1);
2136: }
2137:
2138: static int
2139: post_bx(POST_ARGS)
2140: {
2141: struct mdoc_node *n;
2142:
2143: /*
2144: * Make `Bx's second argument always start with an uppercase
2145: * letter. Groff checks if it's an "accepted" term, but we just
2146: * uppercase blindly.
2147: */
2148:
2149: n = mdoc->last->child;
2150: if (n && NULL != (n = n->next))
1.91 ! schwarze 2151: *n->string = (char)toupper
! 2152: ((unsigned char)*n->string);
1.76 schwarze 2153:
2154: return(1);
2155: }
2156:
2157: static int
2158: post_os(POST_ARGS)
2159: {
2160: struct mdoc_node *n;
2161: char buf[BUFSIZ];
2162: #ifndef OSNAME
2163: struct utsname utsname;
2164: #endif
2165:
2166: n = mdoc->last;
2167:
2168: /*
2169: * Set the operating system by way of the `Os' macro. Note that
2170: * if an argument isn't provided and -DOSNAME="\"foo\"" is
2171: * provided during compilation, this value will be used instead
2172: * of filling in "sysname release" from uname().
2173: */
2174:
1.77 schwarze 2175: if (mdoc->meta.os)
2176: free(mdoc->meta.os);
1.76 schwarze 2177:
2178: if ( ! concat(mdoc, buf, n->child, BUFSIZ))
2179: return(0);
2180:
2181: /* XXX: yes, these can all be dynamically-adjusted buffers, but
2182: * it's really not worth the extra hackery.
2183: */
2184:
2185: if ('\0' == buf[0]) {
2186: #ifdef OSNAME
2187: if (strlcat(buf, OSNAME, BUFSIZ) >= BUFSIZ) {
2188: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
2189: return(0);
2190: }
2191: #else /*!OSNAME */
2192: if (uname(&utsname)) {
2193: mdoc_nmsg(mdoc, n, MANDOCERR_UNAME);
2194: mdoc->meta.os = mandoc_strdup("UNKNOWN");
2195: return(post_prol(mdoc));
2196: }
2197:
2198: if (strlcat(buf, utsname.sysname, BUFSIZ) >= BUFSIZ) {
2199: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
2200: return(0);
2201: }
2202: if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) {
2203: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
2204: return(0);
2205: }
2206: if (strlcat(buf, utsname.release, BUFSIZ) >= BUFSIZ) {
2207: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
2208: return(0);
2209: }
2210: #endif /*!OSNAME*/
2211: }
2212:
2213: mdoc->meta.os = mandoc_strdup(buf);
2214: return(1);
2215: }
2216:
2217: static int
2218: post_std(POST_ARGS)
2219: {
2220: struct mdoc_node *nn, *n;
2221:
2222: n = mdoc->last;
2223:
2224: /*
2225: * Macros accepting `-std' as an argument have the name of the
2226: * current document (`Nm') filled in as the argument if it's not
2227: * provided.
2228: */
2229:
2230: if (n->child)
2231: return(1);
2232:
2233: if (NULL == mdoc->meta.name)
2234: return(1);
2235:
2236: nn = n;
2237: mdoc->next = MDOC_NEXT_CHILD;
2238:
2239: if ( ! mdoc_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name))
2240: return(0);
2241:
2242: mdoc->last = nn;
2243: return(1);
2244: }
2245:
2246: static int
2247: concat(struct mdoc *m, char *p, const struct mdoc_node *n, size_t sz)
2248: {
2249:
2250: p[0] = '\0';
2251:
2252: /*
2253: * Concatenate sibling nodes together. All siblings must be of
2254: * type MDOC_TEXT or an assertion is raised. Concatenation is
2255: * separated by a single whitespace. Returns 0 on fatal (string
2256: * overrun) error.
2257: */
2258:
2259: for ( ; n; n = n->next) {
2260: assert(MDOC_TEXT == n->type);
2261:
2262: if (strlcat(p, n->string, sz) >= sz) {
2263: mdoc_nmsg(m, n, MANDOCERR_MEM);
2264: return(0);
2265: }
2266:
2267: if (NULL == n->next)
2268: continue;
2269:
2270: if (strlcat(p, " ", sz) >= sz) {
2271: mdoc_nmsg(m, n, MANDOCERR_MEM);
2272: return(0);
2273: }
2274: }
2275:
2276: return(1);
2277: }
2278:
1.91 ! schwarze 2279: static enum mdoc_sec
! 2280: a2sec(const char *p)
! 2281: {
! 2282: int i;
! 2283:
! 2284: for (i = 0; i < (int)SEC__MAX; i++)
! 2285: if (secnames[i] && 0 == strcmp(p, secnames[i]))
! 2286: return((enum mdoc_sec)i);
! 2287:
! 2288: return(SEC_CUSTOM);
! 2289: }
! 2290:
! 2291: static size_t
! 2292: macro2len(enum mdoct macro)
! 2293: {
! 2294:
! 2295: switch (macro) {
! 2296: case(MDOC_Ad):
! 2297: return(12);
! 2298: case(MDOC_Ao):
! 2299: return(12);
! 2300: case(MDOC_An):
! 2301: return(12);
! 2302: case(MDOC_Aq):
! 2303: return(12);
! 2304: case(MDOC_Ar):
! 2305: return(12);
! 2306: case(MDOC_Bo):
! 2307: return(12);
! 2308: case(MDOC_Bq):
! 2309: return(12);
! 2310: case(MDOC_Cd):
! 2311: return(12);
! 2312: case(MDOC_Cm):
! 2313: return(10);
! 2314: case(MDOC_Do):
! 2315: return(10);
! 2316: case(MDOC_Dq):
! 2317: return(12);
! 2318: case(MDOC_Dv):
! 2319: return(12);
! 2320: case(MDOC_Eo):
! 2321: return(12);
! 2322: case(MDOC_Em):
! 2323: return(10);
! 2324: case(MDOC_Er):
! 2325: return(17);
! 2326: case(MDOC_Ev):
! 2327: return(15);
! 2328: case(MDOC_Fa):
! 2329: return(12);
! 2330: case(MDOC_Fl):
! 2331: return(10);
! 2332: case(MDOC_Fo):
! 2333: return(16);
! 2334: case(MDOC_Fn):
! 2335: return(16);
! 2336: case(MDOC_Ic):
! 2337: return(10);
! 2338: case(MDOC_Li):
! 2339: return(16);
! 2340: case(MDOC_Ms):
! 2341: return(6);
! 2342: case(MDOC_Nm):
! 2343: return(10);
! 2344: case(MDOC_No):
! 2345: return(12);
! 2346: case(MDOC_Oo):
! 2347: return(10);
! 2348: case(MDOC_Op):
! 2349: return(14);
! 2350: case(MDOC_Pa):
! 2351: return(32);
! 2352: case(MDOC_Pf):
! 2353: return(12);
! 2354: case(MDOC_Po):
! 2355: return(12);
! 2356: case(MDOC_Pq):
! 2357: return(12);
! 2358: case(MDOC_Ql):
! 2359: return(16);
! 2360: case(MDOC_Qo):
! 2361: return(12);
! 2362: case(MDOC_So):
! 2363: return(12);
! 2364: case(MDOC_Sq):
! 2365: return(12);
! 2366: case(MDOC_Sy):
! 2367: return(6);
! 2368: case(MDOC_Sx):
! 2369: return(16);
! 2370: case(MDOC_Tn):
! 2371: return(10);
! 2372: case(MDOC_Va):
! 2373: return(12);
! 2374: case(MDOC_Vt):
! 2375: return(12);
! 2376: case(MDOC_Xr):
! 2377: return(10);
! 2378: default:
! 2379: break;
! 2380: };
! 2381: return(0);
! 2382: }
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