Annotation of mandoc/validate.c, Revision 1.60
1.60 ! kristaps 1: /* $Id: validate.c,v 1.59 2009/02/25 11:37:05 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the
7: * above copyright notice and this permission notice appear in all
8: * copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11: * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12: * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13: * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14: * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15: * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16: * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17: * PERFORMANCE OF THIS SOFTWARE.
18: */
19: #include <assert.h>
1.56 kristaps 20: #include <ctype.h>
1.8 kristaps 21: #include <stdlib.h>
1.1 kristaps 22:
23: #include "private.h"
24:
1.44 kristaps 25: /*
26: * Pre- and post-validate macros as they're parsed. Pre-validation
27: * occurs when the macro has been detected and its arguments parsed.
28: * Post-validation occurs when all child macros have also been parsed.
29: * In the ELEMENT case, this is simply the parameters of the macro; in
30: * the BLOCK case, this is the HEAD, BODY, TAIL and so on.
31: */
32:
1.55 kristaps 33: #define PRE_ARGS struct mdoc *mdoc, const struct mdoc_node *n
34: #define POST_ARGS struct mdoc *mdoc
35:
36: typedef int (*v_pre)(PRE_ARGS);
37: typedef int (*v_post)(POST_ARGS);
1.14 kristaps 38:
1.36 kristaps 39: /* FIXME: some sections should only occur in specific msecs. */
40: /* FIXME: ignoring Pp. */
41: /* FIXME: math symbols. */
42:
1.14 kristaps 43: struct valids {
1.24 kristaps 44: v_pre *pre;
1.17 kristaps 45: v_post *post;
1.14 kristaps 46: };
1.1 kristaps 47:
1.37 kristaps 48: /* Utility checks. */
49:
1.55 kristaps 50: static int check_parent(PRE_ARGS, int, enum mdoc_type);
51: static int check_msec(PRE_ARGS, int, enum mdoc_msec *);
52: static int check_stdarg(PRE_ARGS);
53:
54: static int check_text(struct mdoc *,
55: size_t, size_t, const char *);
56:
1.51 kristaps 57: static int err_child_lt(struct mdoc *, const char *, int);
1.59 kristaps 58: static int warn_child_lt(struct mdoc *, const char *, int);
1.51 kristaps 59: static int err_child_gt(struct mdoc *, const char *, int);
60: static int warn_child_gt(struct mdoc *, const char *, int);
61: static int err_child_eq(struct mdoc *, const char *, int);
62: static int warn_child_eq(struct mdoc *, const char *, int);
63:
64: /* Utility auxiliaries. */
65:
66: static inline int count_child(struct mdoc *);
67: static inline int warn_count(struct mdoc *, const char *,
68: int, const char *, int);
69: static inline int err_count(struct mdoc *, const char *,
70: int, const char *, int);
1.11 kristaps 71:
1.37 kristaps 72: /* Specific pre-child-parse routines. */
73:
1.55 kristaps 74: static int pre_display(PRE_ARGS);
75: static int pre_sh(PRE_ARGS);
76: static int pre_ss(PRE_ARGS);
77: static int pre_bd(PRE_ARGS);
78: static int pre_bl(PRE_ARGS);
79: static int pre_it(PRE_ARGS);
80: static int pre_cd(PRE_ARGS);
81: static int pre_er(PRE_ARGS);
82: static int pre_ex(PRE_ARGS);
83: static int pre_rv(PRE_ARGS);
84: static int pre_an(PRE_ARGS);
85: static int pre_st(PRE_ARGS);
86: static int pre_prologue(PRE_ARGS);
87: static int pre_prologue(PRE_ARGS);
88: static int pre_prologue(PRE_ARGS);
1.24 kristaps 89:
1.37 kristaps 90: /* Specific post-child-parse routines. */
91:
1.55 kristaps 92: static int herr_ge1(POST_ARGS);
1.59 kristaps 93: static int hwarn_le1(POST_ARGS);
1.55 kristaps 94: static int herr_eq0(POST_ARGS);
95: static int eerr_eq0(POST_ARGS);
96: static int eerr_le1(POST_ARGS);
97: static int eerr_le2(POST_ARGS);
98: static int eerr_eq1(POST_ARGS);
99: static int eerr_ge1(POST_ARGS);
100: static int ewarn_eq0(POST_ARGS);
101: static int ewarn_eq1(POST_ARGS);
102: static int bwarn_ge1(POST_ARGS);
1.58 kristaps 103: static int hwarn_eq1(POST_ARGS);
1.55 kristaps 104: static int ewarn_ge1(POST_ARGS);
105: static int ebool(POST_ARGS);
106:
107: static int post_sh(POST_ARGS);
108: static int post_sh_body(POST_ARGS);
109: static int post_sh_head(POST_ARGS);
1.57 kristaps 110: static int post_fd(POST_ARGS);
1.55 kristaps 111: static int post_bl(POST_ARGS);
112: static int post_it(POST_ARGS);
113: static int post_ex(POST_ARGS);
114: static int post_an(POST_ARGS);
115: static int post_at(POST_ARGS);
116: static int post_xr(POST_ARGS);
117: static int post_nm(POST_ARGS);
118: static int post_bf(POST_ARGS);
119: static int post_root(POST_ARGS);
1.37 kristaps 120:
121: /* Collections of pre-child-parse routines. */
1.17 kristaps 122:
1.24 kristaps 123: static v_pre pres_prologue[] = { pre_prologue, NULL };
124: static v_pre pres_d1[] = { pre_display, NULL };
125: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
126: static v_pre pres_bl[] = { pre_bl, NULL };
1.25 kristaps 127: static v_pre pres_it[] = { pre_it, NULL };
1.33 kristaps 128: static v_pre pres_ss[] = { pre_ss, NULL };
129: static v_pre pres_sh[] = { pre_sh, NULL };
130: static v_pre pres_cd[] = { pre_cd, NULL };
131: static v_pre pres_er[] = { pre_er, NULL };
132: static v_pre pres_ex[] = { pre_ex, NULL };
1.36 kristaps 133: static v_pre pres_rv[] = { pre_rv, NULL };
1.35 kristaps 134: static v_pre pres_an[] = { pre_an, NULL };
1.36 kristaps 135: static v_pre pres_st[] = { pre_st, NULL };
1.24 kristaps 136:
1.37 kristaps 137: /* Collections of post-child-parse routines. */
138:
139: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
140: static v_post posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
141: static v_post posts_text[] = { eerr_ge1, NULL };
142: static v_post posts_wtext[] = { ewarn_ge1, NULL };
143: static v_post posts_notext[] = { eerr_eq0, NULL };
1.43 kristaps 144: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
1.37 kristaps 145: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
146: static v_post posts_bl[] = { herr_eq0, bwarn_ge1, post_bl, NULL };
1.25 kristaps 147: static v_post posts_it[] = { post_it, NULL };
1.39 kristaps 148: static v_post posts_in[] = { ewarn_eq1, NULL };
1.37 kristaps 149: static v_post posts_ss[] = { herr_ge1, NULL };
1.52 kristaps 150: static v_post posts_pf[] = { eerr_eq1, NULL };
1.37 kristaps 151: static v_post posts_pp[] = { ewarn_eq0, NULL };
152: static v_post posts_ex[] = { eerr_le1, post_ex, NULL };
1.35 kristaps 153: static v_post posts_an[] = { post_an, NULL };
1.37 kristaps 154: static v_post posts_at[] = { post_at, NULL };
155: static v_post posts_xr[] = { eerr_ge1, eerr_le2, post_xr, NULL };
156: static v_post posts_nm[] = { post_nm, NULL };
1.59 kristaps 157: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
1.45 kristaps 158: static v_post posts_rs[] = { herr_eq0, bwarn_ge1, NULL };
1.58 kristaps 159: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
1.45 kristaps 160: static v_post posts_bk[] = { herr_eq0, bwarn_ge1, NULL };
1.57 kristaps 161: static v_post posts_fd[] = { ewarn_ge1, post_fd, NULL };
1.9 kristaps 162:
1.37 kristaps 163: /* Per-macro pre- and post-child-check routine collections. */
1.12 kristaps 164:
1.9 kristaps 165: const struct valids mdoc_valids[MDOC_MAX] = {
1.51 kristaps 166: { NULL, NULL }, /* \" */
167: { pres_prologue, posts_text }, /* Dd */
168: { pres_prologue, NULL }, /* Dt */
169: { pres_prologue, NULL }, /* Os */
170: { pres_sh, posts_sh }, /* Sh */
171: { pres_ss, posts_ss }, /* Ss */
172: { NULL, posts_pp }, /* Pp */
173: { pres_d1, posts_wline }, /* D1 */
174: { pres_d1, posts_wline }, /* Dl */
175: { pres_bd, posts_bd }, /* Bd */
176: { NULL, NULL }, /* Ed */
177: { pres_bl, posts_bl }, /* Bl */
178: { NULL, NULL }, /* El */
179: { pres_it, posts_it }, /* It */
180: { NULL, posts_text }, /* Ad */
181: { pres_an, posts_an }, /* An */
182: { NULL, NULL }, /* Ar */
183: { pres_cd, posts_text }, /* Cd */
184: { NULL, NULL }, /* Cm */
185: { NULL, posts_text }, /* Dv */
186: { pres_er, posts_text }, /* Er */
187: { NULL, posts_text }, /* Ev */
188: { pres_ex, posts_ex }, /* Ex */
189: { NULL, posts_text }, /* Fa */
1.57 kristaps 190: { NULL, posts_fd }, /* Fd */
1.51 kristaps 191: { NULL, NULL }, /* Fl */
192: { NULL, posts_text }, /* Fn */
193: { NULL, posts_wtext }, /* Ft */
194: { NULL, posts_text }, /* Ic */
195: { NULL, posts_in }, /* In */
196: { NULL, posts_text }, /* Li */
197: { NULL, posts_wtext }, /* Nd */
198: { NULL, posts_nm }, /* Nm */
199: { NULL, posts_wline }, /* Op */
200: { NULL, NULL }, /* Ot */
201: { NULL, NULL }, /* Pa */
202: { pres_rv, posts_notext }, /* Rv */
203: { pres_st, posts_notext }, /* St */
204: { NULL, posts_text }, /* Va */
205: { NULL, posts_text }, /* Vt */
206: { NULL, posts_xr }, /* Xr */
207: { NULL, posts_text }, /* %A */
208: { NULL, posts_text }, /* %B */
209: { NULL, posts_text }, /* %D */
210: { NULL, posts_text }, /* %I */
211: { NULL, posts_text }, /* %J */
212: { NULL, posts_text }, /* %N */
213: { NULL, posts_text }, /* %O */
214: { NULL, posts_text }, /* %P */
215: { NULL, posts_text }, /* %R */
216: { NULL, posts_text }, /* %T */
217: { NULL, posts_text }, /* %V */
218: { NULL, NULL }, /* Ac */
219: { NULL, NULL }, /* Ao */
220: { NULL, posts_wline }, /* Aq */
221: { NULL, posts_at }, /* At */
222: { NULL, NULL }, /* Bc */
223: { NULL, posts_bf }, /* Bf */
224: { NULL, NULL }, /* Bo */
225: { NULL, posts_wline }, /* Bq */
226: { NULL, NULL }, /* Bsx */
227: { NULL, NULL }, /* Bx */
228: { NULL, posts_bool }, /* Db */
229: { NULL, NULL }, /* Dc */
230: { NULL, NULL }, /* Do */
231: { NULL, posts_wline }, /* Dq */
232: { NULL, NULL }, /* Ec */
233: { NULL, NULL }, /* Ef */
234: { NULL, posts_text }, /* Em */
235: { NULL, NULL }, /* Eo */
236: { NULL, NULL }, /* Fx */
237: { NULL, posts_text }, /* Ms */
238: { NULL, posts_notext }, /* No */
239: { NULL, posts_notext }, /* Ns */
240: { NULL, NULL }, /* Nx */
241: { NULL, NULL }, /* Ox */
242: { NULL, NULL }, /* Pc */
1.52 kristaps 243: { NULL, posts_pf }, /* Pf */
1.51 kristaps 244: { NULL, NULL }, /* Po */
245: { NULL, posts_wline }, /* Pq */
246: { NULL, NULL }, /* Qc */
247: { NULL, posts_wline }, /* Ql */
248: { NULL, NULL }, /* Qo */
249: { NULL, posts_wline }, /* Qq */
250: { NULL, NULL }, /* Re */
251: { NULL, posts_rs }, /* Rs */
252: { NULL, NULL }, /* Sc */
253: { NULL, NULL }, /* So */
254: { NULL, posts_wline }, /* Sq */
255: { NULL, posts_bool }, /* Sm */
256: { NULL, posts_text }, /* Sx */
257: { NULL, posts_text }, /* Sy */
258: { NULL, posts_text }, /* Tn */
259: { NULL, NULL }, /* Ux */
260: { NULL, NULL }, /* Xc */
261: { NULL, NULL }, /* Xo */
262: { NULL, posts_fo }, /* Fo */
263: { NULL, NULL }, /* Fc */
264: { NULL, NULL }, /* Oo */
265: { NULL, NULL }, /* Oc */
266: { NULL, posts_bk }, /* Bk */
267: { NULL, NULL }, /* Ek */
268: { NULL, posts_notext }, /* Bt */
269: { NULL, NULL }, /* Hf */
270: { NULL, NULL }, /* Fr */
271: { NULL, posts_notext }, /* Ud */
1.9 kristaps 272: };
1.6 kristaps 273:
274:
1.57 kristaps 275: int
276: mdoc_valid_pre(struct mdoc *mdoc,
277: const struct mdoc_node *node)
278: {
279: v_pre *p;
280: struct mdoc_arg *argv;
281: size_t argc, i, j, line, pos;
282: const char *tp;
283:
284: if (MDOC_TEXT == node->type) {
285: tp = node->data.text.string;
286: line = node->line;
287: pos = node->pos;
288: return(check_text(mdoc, line, pos, tp));
289: }
290:
291: if (MDOC_BLOCK == node->type || MDOC_ELEM == node->type) {
292: argv = MDOC_BLOCK == node->type ?
293: node->data.block.argv :
294: node->data.elem.argv;
295: argc = MDOC_BLOCK == node->type ?
296: node->data.block.argc :
297: node->data.elem.argc;
298:
299: for (i = 0; i < argc; i++) {
300: if (0 == argv[i].sz)
301: continue;
302: for (j = 0; j < argv[i].sz; j++) {
303: tp = argv[i].value[j];
304: line = argv[i].line;
305: pos = argv[i].pos;
306: if ( ! check_text(mdoc, line, pos, tp))
307: return(0);
308: }
309: }
310: }
311:
312: if (NULL == mdoc_valids[node->tok].pre)
313: return(1);
314: for (p = mdoc_valids[node->tok].pre; *p; p++)
315: if ( ! (*p)(mdoc, node))
316: return(0);
317: return(1);
318: }
319:
320:
321: int
322: mdoc_valid_post(struct mdoc *mdoc)
323: {
324: v_post *p;
325:
326: /*
327: * This check occurs after the macro's children have been filled
328: * in: postfix validation. Since this happens when we're
329: * rewinding the scope tree, it's possible to have multiple
330: * invocations (as by design, for now), we set bit MDOC_VALID to
331: * indicate that we've validated.
332: */
333:
334: if (MDOC_VALID & mdoc->last->flags)
335: return(1);
336: mdoc->last->flags |= MDOC_VALID;
337:
338: if (MDOC_TEXT == mdoc->last->type)
339: return(1);
340: if (MDOC_ROOT == mdoc->last->type)
341: return(post_root(mdoc));
342:
343: if (NULL == mdoc_valids[mdoc->last->tok].post)
344: return(1);
345: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
346: if ( ! (*p)(mdoc))
347: return(0);
348:
349: return(1);
350: }
351:
352:
353:
1.51 kristaps 354: static inline int
355: warn_count(struct mdoc *m, const char *k,
356: int want, const char *v, int has)
357: {
358:
1.55 kristaps 359: return(mdoc_warn(m, WARN_SYNTAX,
1.58 kristaps 360: "suggests %s %s %d (has %d)",
361: v, k, want, has));
1.51 kristaps 362: }
363:
364:
365: static inline int
366: err_count(struct mdoc *m, const char *k,
367: int want, const char *v, int has)
368: {
369:
1.58 kristaps 370: return(mdoc_err(m, "requires %s %s %d (has %d)",
371: v, k, want, has));
1.51 kristaps 372: }
373:
374:
375: static inline int
376: count_child(struct mdoc *mdoc)
1.36 kristaps 377: {
1.51 kristaps 378: int i;
1.36 kristaps 379: struct mdoc_node *n;
380:
381: for (i = 0, n = mdoc->last->child; n; n = n->next, i++)
382: /* Do nothing */ ;
1.53 kristaps 383:
1.36 kristaps 384: return(i);
385: }
386:
387:
1.53 kristaps 388: /*
389: * Build these up with macros because they're basically the same check
390: * for different inequalities. Yes, this could be done with functions,
391: * but this is reasonable for now.
392: */
1.36 kristaps 393:
1.53 kristaps 394: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
395: static int \
396: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
397: { \
398: int i; \
399: if ((i = count_child(mdoc)) ineq sz) \
400: return(1); \
401: return(lvl##_count(mdoc, #ineq, sz, p, i)); \
402: }
403:
404: #define CHECK_BODY_DEFN(name, lvl, func, num) \
405: static int \
1.55 kristaps 406: b##lvl##_##name(POST_ARGS) \
1.53 kristaps 407: { \
408: if (MDOC_BODY != mdoc->last->type) \
409: return(1); \
410: return(func(mdoc, "multiline parameters", (num))); \
411: }
412:
413: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
414: static int \
1.55 kristaps 415: e##lvl##_##name(POST_ARGS) \
1.53 kristaps 416: { \
417: assert(MDOC_ELEM == mdoc->last->type); \
418: return(func(mdoc, "line parameters", (num))); \
419: }
420:
421: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
422: static int \
1.55 kristaps 423: h##lvl##_##name(POST_ARGS) \
1.53 kristaps 424: { \
425: if (MDOC_HEAD != mdoc->last->type) \
426: return(1); \
1.58 kristaps 427: return(func(mdoc, "line parameters", (num))); \
1.36 kristaps 428: }
429:
430:
1.53 kristaps 431: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
432: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
433: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
434: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
435: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
1.59 kristaps 436: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
1.53 kristaps 437: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
438: CHECK_ELEM_DEFN(eq1, warn, warn_child_eq, 1) /* ewarn_eq1() */
439: CHECK_ELEM_DEFN(eq0, warn, warn_child_eq, 0) /* ewarn_eq0() */
440: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
441: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
442: CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */
443: CHECK_ELEM_DEFN(le1, err, err_child_lt, 2) /* eerr_le1() */
444: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
445: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
446: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
1.59 kristaps 447: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
1.53 kristaps 448: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
1.58 kristaps 449: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
1.36 kristaps 450:
451:
452: static int
1.55 kristaps 453: check_stdarg(PRE_ARGS)
1.36 kristaps 454: {
455:
1.55 kristaps 456: if (MDOC_Std == n->data.elem.argv[0].arg &&
457: 1 == n->data.elem.argc)
1.36 kristaps 458: return(1);
1.51 kristaps 459:
1.55 kristaps 460: return(mdoc_nwarn(mdoc, n, WARN_COMPAT,
1.53 kristaps 461: "one argument suggested"));
1.36 kristaps 462: }
463:
464:
465: static int
1.55 kristaps 466: check_msec(PRE_ARGS, int sz, enum mdoc_msec *msecs)
1.33 kristaps 467: {
468: int i;
469:
470: for (i = 0; i < sz; i++)
471: if (msecs[i] == mdoc->meta.msec)
472: return(1);
1.55 kristaps 473: return(mdoc_nwarn(mdoc, n, WARN_COMPAT,
474: "invalid manual section"));
475: }
476:
477:
478: static int
479: check_text(struct mdoc *mdoc, size_t line, size_t pos, const char *p)
480: {
481: size_t c;
482:
483: for ( ; *p; p++) {
1.60 ! kristaps 484: if ( ! isprint((int)*p) && '\t' != *p)
1.56 kristaps 485: return(mdoc_perr(mdoc, line, pos,
486: "invalid characters"));
1.55 kristaps 487: if ('\\' != *p)
488: continue;
489: if ((c = mdoc_isescape(p))) {
490: p += (c - 1);
491: continue;
492: }
493: return(mdoc_perr(mdoc, line, pos,
1.56 kristaps 494: "invalid escape sequence"));
1.55 kristaps 495: }
496:
497: return(1);
1.14 kristaps 498: }
499:
500:
1.55 kristaps 501:
502:
1.14 kristaps 503: static int
1.55 kristaps 504: check_parent(PRE_ARGS, int tok, enum mdoc_type t)
1.54 kristaps 505: {
506:
507: assert(n->parent);
508: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
509: (t == n->parent->type))
510: return(1);
511:
512: return(mdoc_nerr(mdoc, n, "require parent %s",
513: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
514: }
515:
516:
517:
518: static int
1.55 kristaps 519: pre_display(PRE_ARGS)
1.23 kristaps 520: {
1.55 kristaps 521: struct mdoc_node *node;
1.23 kristaps 522:
1.53 kristaps 523: /* Display elements (`Bd', `D1'...) cannot be nested. */
524:
1.55 kristaps 525: if (MDOC_BLOCK != n->type)
1.24 kristaps 526: return(1);
527:
1.38 kristaps 528: /* LINTED */
1.55 kristaps 529: for (node = mdoc->last->parent; node; node = node->parent)
530: if (MDOC_BLOCK == node->type)
531: if (MDOC_Bd == node->tok)
1.23 kristaps 532: break;
1.55 kristaps 533: if (NULL == node)
1.23 kristaps 534: return(1);
1.53 kristaps 535:
1.55 kristaps 536: return(mdoc_nerr(mdoc, n, "displays may not be nested"));
1.23 kristaps 537: }
538:
539:
540: static int
1.55 kristaps 541: pre_bl(PRE_ARGS)
1.24 kristaps 542: {
1.60 ! kristaps 543: int type, i;
1.24 kristaps 544: struct mdoc_arg *argv;
1.53 kristaps 545: size_t argc;
1.24 kristaps 546:
1.55 kristaps 547: if (MDOC_BLOCK != n->type)
1.24 kristaps 548: return(1);
549:
1.55 kristaps 550: argc = n->data.block.argc;
1.24 kristaps 551:
1.53 kristaps 552: /* Make sure that only one type of list is specified. */
553:
1.38 kristaps 554: /* LINTED */
1.60 ! kristaps 555: for (i = 0, type = 0; i < (int)argc; i++) {
1.55 kristaps 556: argv = &n->data.block.argv[i];
1.53 kristaps 557:
1.24 kristaps 558: switch (argv->arg) {
559: case (MDOC_Bullet):
560: /* FALLTHROUGH */
561: case (MDOC_Dash):
562: /* FALLTHROUGH */
563: case (MDOC_Enum):
564: /* FALLTHROUGH */
565: case (MDOC_Hyphen):
566: /* FALLTHROUGH */
567: case (MDOC_Item):
568: /* FALLTHROUGH */
569: case (MDOC_Tag):
570: /* FALLTHROUGH */
571: case (MDOC_Diag):
572: /* FALLTHROUGH */
573: case (MDOC_Hang):
574: /* FALLTHROUGH */
575: case (MDOC_Ohang):
576: /* FALLTHROUGH */
577: case (MDOC_Inset):
1.26 kristaps 578: /* FALLTHROUGH */
579: case (MDOC_Column):
1.53 kristaps 580: if (0 == type++)
581: break;
582: return(mdoc_perr(mdoc, argv->line, argv->pos,
583: "multiple types specified"));
1.24 kristaps 584: default:
585: break;
586: }
587: }
1.53 kristaps 588:
589: if (type)
590: return(1);
591: return(mdoc_err(mdoc, "no type specified"));
1.24 kristaps 592: }
593:
594:
595: static int
1.55 kristaps 596: pre_bd(PRE_ARGS)
1.24 kristaps 597: {
1.53 kristaps 598: int type, err, i;
1.24 kristaps 599: struct mdoc_arg *argv;
1.53 kristaps 600: size_t argc;
1.24 kristaps 601:
1.55 kristaps 602: if (MDOC_BLOCK != n->type)
1.24 kristaps 603: return(1);
604:
1.55 kristaps 605: argc = n->data.block.argc;
1.24 kristaps 606:
1.53 kristaps 607: /* Make sure that only one type of display is specified. */
608:
1.38 kristaps 609: /* LINTED */
1.53 kristaps 610: for (i = 0, err = type = 0; ! err && i < (int)argc; i++) {
1.55 kristaps 611: argv = &n->data.block.argv[i];
1.53 kristaps 612:
1.24 kristaps 613: switch (argv->arg) {
614: case (MDOC_Ragged):
615: /* FALLTHROUGH */
616: case (MDOC_Unfilled):
617: /* FALLTHROUGH */
1.29 kristaps 618: case (MDOC_Filled):
619: /* FALLTHROUGH */
1.24 kristaps 620: case (MDOC_Literal):
621: /* FALLTHROUGH */
622: case (MDOC_File):
1.53 kristaps 623: if (0 == type++)
624: break;
625: return(mdoc_perr(mdoc, argv->line, argv->pos,
626: "multiple types specified"));
1.24 kristaps 627: default:
628: break;
629: }
630: }
1.53 kristaps 631:
632: if (type)
633: return(1);
634: return(mdoc_err(mdoc, "no type specified"));
1.24 kristaps 635: }
636:
637:
638: static int
1.55 kristaps 639: pre_ss(PRE_ARGS)
1.33 kristaps 640: {
641:
1.55 kristaps 642: if (MDOC_BLOCK != n->type)
1.33 kristaps 643: return(1);
1.55 kristaps 644: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
1.33 kristaps 645: }
646:
647:
648: static int
1.55 kristaps 649: pre_sh(PRE_ARGS)
1.33 kristaps 650: {
651:
1.55 kristaps 652: if (MDOC_BLOCK != n->type)
1.33 kristaps 653: return(1);
1.55 kristaps 654: return(check_parent(mdoc, n, -1, MDOC_ROOT));
1.33 kristaps 655: }
656:
657:
658: static int
1.55 kristaps 659: pre_it(PRE_ARGS)
1.53 kristaps 660: {
661:
662: /* TODO: -width attribute must be specified for -tag. */
663: /* TODO: children too big for -width? */
664:
1.55 kristaps 665: if (MDOC_BLOCK != n->type)
1.53 kristaps 666: return(1);
1.55 kristaps 667: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
1.53 kristaps 668: }
669:
670:
671: static int
1.55 kristaps 672: pre_st(PRE_ARGS)
1.36 kristaps 673: {
674:
1.55 kristaps 675: if (1 == n->data.elem.argc)
1.36 kristaps 676: return(1);
1.55 kristaps 677: return(mdoc_nerr(mdoc, n, "one argument required"));
1.36 kristaps 678: }
679:
680:
681: static int
1.55 kristaps 682: pre_an(PRE_ARGS)
1.35 kristaps 683: {
1.36 kristaps 684:
1.55 kristaps 685: if (1 >= n->data.elem.argc)
1.35 kristaps 686: return(1);
1.55 kristaps 687: return(mdoc_nerr(mdoc, n, "one argument allowed"));
1.35 kristaps 688: }
689:
690:
691: static int
1.55 kristaps 692: pre_rv(PRE_ARGS)
1.36 kristaps 693: {
1.53 kristaps 694: enum mdoc_msec msecs[] = { MSEC_2, MSEC_3 };
1.36 kristaps 695:
1.55 kristaps 696: if ( ! check_msec(mdoc, n, 2, msecs))
1.36 kristaps 697: return(0);
1.55 kristaps 698: return(check_stdarg(mdoc, n));
1.36 kristaps 699: }
700:
701:
702: static int
1.55 kristaps 703: pre_ex(PRE_ARGS)
1.33 kristaps 704: {
1.53 kristaps 705: enum mdoc_msec msecs[] = { MSEC_1, MSEC_6, MSEC_8 };
1.35 kristaps 706:
1.55 kristaps 707: if ( ! check_msec(mdoc, n, 3, msecs))
1.35 kristaps 708: return(0);
1.55 kristaps 709: return(check_stdarg(mdoc, n));
1.33 kristaps 710: }
711:
712:
713: static int
1.55 kristaps 714: pre_er(PRE_ARGS)
1.33 kristaps 715: {
1.53 kristaps 716: enum mdoc_msec msecs[] = { MSEC_2 };
1.33 kristaps 717:
1.55 kristaps 718: return(check_msec(mdoc, n, 1, msecs));
1.33 kristaps 719: }
720:
721:
722: static int
1.55 kristaps 723: pre_cd(PRE_ARGS)
1.33 kristaps 724: {
1.53 kristaps 725: enum mdoc_msec msecs[] = { MSEC_4 };
1.33 kristaps 726:
1.55 kristaps 727: return(check_msec(mdoc, n, 1, msecs));
1.33 kristaps 728: }
729:
730:
731: static int
1.55 kristaps 732: pre_prologue(PRE_ARGS)
1.20 kristaps 733: {
734:
1.46 kristaps 735: if (SEC_PROLOGUE != mdoc->lastnamed)
1.55 kristaps 736: return(mdoc_nerr(mdoc, n, "prologue only"));
1.20 kristaps 737:
738: /* Check for ordering. */
739:
1.55 kristaps 740: switch (n->tok) {
1.20 kristaps 741: case (MDOC_Os):
1.36 kristaps 742: if (mdoc->meta.title && mdoc->meta.date)
1.20 kristaps 743: break;
1.55 kristaps 744: return(mdoc_nerr(mdoc, n, "prologue out-of-order"));
1.20 kristaps 745: case (MDOC_Dt):
1.36 kristaps 746: if (NULL == mdoc->meta.title && mdoc->meta.date)
1.20 kristaps 747: break;
1.55 kristaps 748: return(mdoc_nerr(mdoc, n, "prologue out-of-order"));
1.20 kristaps 749: case (MDOC_Dd):
1.36 kristaps 750: if (NULL == mdoc->meta.title && 0 == mdoc->meta.date)
1.20 kristaps 751: break;
1.55 kristaps 752: return(mdoc_nerr(mdoc, n, "prologue out-of-order"));
1.20 kristaps 753: default:
754: abort();
755: /* NOTREACHED */
756: }
757:
758: /* Check for repetition. */
759:
1.55 kristaps 760: switch (n->tok) {
1.20 kristaps 761: case (MDOC_Os):
1.36 kristaps 762: if (NULL == mdoc->meta.os)
1.20 kristaps 763: return(1);
764: break;
765: case (MDOC_Dd):
766: if (0 == mdoc->meta.date)
767: return(1);
768: break;
769: case (MDOC_Dt):
1.36 kristaps 770: if (NULL == mdoc->meta.title)
1.20 kristaps 771: return(1);
772: break;
773: default:
774: abort();
775: /* NOTREACHED */
776: }
777:
1.55 kristaps 778: return(mdoc_nerr(mdoc, n, "prologue repetition"));
1.20 kristaps 779: }
780:
781:
1.35 kristaps 782: static int
1.55 kristaps 783: post_bf(POST_ARGS)
1.41 kristaps 784: {
785: char *p;
786: struct mdoc_node *head;
787:
788: if (MDOC_BLOCK != mdoc->last->type)
789: return(1);
1.53 kristaps 790:
1.41 kristaps 791: head = mdoc->last->data.block.head;
792:
793: if (0 == mdoc->last->data.block.argc) {
1.53 kristaps 794: if (NULL == head->child)
795: return(mdoc_err(mdoc, "argument expected"));
796:
797: p = head->child->data.text.string;
798: if (xstrcmp(p, "Em"))
799: return(1);
800: else if (xstrcmp(p, "Li"))
801: return(1);
802: else if (xstrcmp(p, "Sm"))
803: return(1);
804: return(mdoc_nerr(mdoc, head->child, "invalid font"));
1.41 kristaps 805: }
1.53 kristaps 806:
1.41 kristaps 807: if (head->child)
1.53 kristaps 808: return(mdoc_err(mdoc, "argument expected"));
809:
1.41 kristaps 810: if (1 == mdoc->last->data.block.argc)
811: return(1);
1.53 kristaps 812: return(mdoc_err(mdoc, "argument expected"));
1.41 kristaps 813: }
814:
815:
816: static int
1.55 kristaps 817: post_nm(POST_ARGS)
1.37 kristaps 818: {
819:
820: if (mdoc->last->child)
821: return(1);
822: if (mdoc->meta.name)
823: return(1);
1.53 kristaps 824: return(mdoc_err(mdoc, "not yet invoked with name"));
1.37 kristaps 825: }
826:
827:
828: static int
1.55 kristaps 829: post_xr(POST_ARGS)
1.36 kristaps 830: {
831: struct mdoc_node *n;
832:
833: if (NULL == (n = mdoc->last->child->next))
834: return(1);
835: if (MSEC_DEFAULT != mdoc_atomsec(n->data.text.string))
836: return(1);
837: return(mdoc_nerr(mdoc, n, "invalid manual section"));
838: }
839:
840:
841: static int
1.55 kristaps 842: post_at(POST_ARGS)
1.36 kristaps 843: {
844:
1.37 kristaps 845: if (NULL == mdoc->last->child)
846: return(1);
1.36 kristaps 847: if (ATT_DEFAULT != mdoc_atoatt(mdoc->last->child->data.text.string))
848: return(1);
1.53 kristaps 849: return(mdoc_err(mdoc, "require valid symbol"));
1.36 kristaps 850: }
851:
852:
853: static int
1.55 kristaps 854: post_an(POST_ARGS)
1.35 kristaps 855: {
856:
857: if (0 != mdoc->last->data.elem.argc) {
858: if (NULL == mdoc->last->child)
859: return(1);
1.53 kristaps 860: return(mdoc_err(mdoc, "argument(s) expected"));
1.35 kristaps 861: }
862:
863: if (mdoc->last->child)
864: return(1);
1.53 kristaps 865: return(mdoc_err(mdoc, "argument(s) expected"));
1.35 kristaps 866: }
867:
868:
869: static int
1.55 kristaps 870: post_ex(POST_ARGS)
1.35 kristaps 871: {
872:
873: if (0 == mdoc->last->data.elem.argc) {
874: if (mdoc->last->child)
875: return(1);
1.53 kristaps 876: return(mdoc_err(mdoc, "argument(s) expected"));
1.35 kristaps 877: }
878: if (mdoc->last->child)
1.53 kristaps 879: return(mdoc_err(mdoc, "argument(s) expected"));
1.35 kristaps 880: if (1 != mdoc->last->data.elem.argc)
1.53 kristaps 881: return(mdoc_err(mdoc, "argument(s) expected"));
1.35 kristaps 882: if (MDOC_Std != mdoc->last->data.elem.argv[0].arg)
1.53 kristaps 883: return(mdoc_err(mdoc, "argument(s) expected"));
884:
1.35 kristaps 885: return(1);
886: }
887:
888:
1.25 kristaps 889: static int
1.55 kristaps 890: post_it(POST_ARGS)
1.25 kristaps 891: {
1.53 kristaps 892: int type, sv, i;
1.25 kristaps 893: #define TYPE_NONE (0)
894: #define TYPE_BODY (1)
895: #define TYPE_HEAD (2)
1.47 kristaps 896: #define TYPE_OHEAD (3)
1.53 kristaps 897: size_t argc;
1.25 kristaps 898: struct mdoc_node *n;
899:
900: if (MDOC_BLOCK != mdoc->last->type)
901: return(1);
902:
1.53 kristaps 903: n = mdoc->last->parent->parent;
1.25 kristaps 904:
905: argc = n->data.block.argc;
906: type = TYPE_NONE;
1.38 kristaps 907: sv = -1;
1.26 kristaps 908:
909: /* Some types require block-head, some not. */
1.25 kristaps 910:
1.38 kristaps 911: /* LINTED */
1.53 kristaps 912: for (i = 0; TYPE_NONE == type && i < (int)argc; i++)
913: switch (n->data.block.argv[i].arg) {
1.25 kristaps 914: case (MDOC_Tag):
915: /* FALLTHROUGH */
916: case (MDOC_Diag):
917: /* FALLTHROUGH */
918: case (MDOC_Hang):
919: /* FALLTHROUGH */
920: case (MDOC_Ohang):
921: /* FALLTHROUGH */
922: case (MDOC_Inset):
923: type = TYPE_HEAD;
1.53 kristaps 924: sv = n->data.block.argv[i].arg;
1.25 kristaps 925: break;
926: case (MDOC_Bullet):
927: /* FALLTHROUGH */
928: case (MDOC_Dash):
929: /* FALLTHROUGH */
930: case (MDOC_Enum):
931: /* FALLTHROUGH */
932: case (MDOC_Hyphen):
933: /* FALLTHROUGH */
934: case (MDOC_Item):
1.47 kristaps 935: type = TYPE_BODY;
1.53 kristaps 936: sv = n->data.block.argv[i].arg;
1.47 kristaps 937: break;
1.25 kristaps 938: case (MDOC_Column):
1.47 kristaps 939: type = TYPE_OHEAD;
1.53 kristaps 940: sv = n->data.block.argv[i].arg;
1.25 kristaps 941: break;
942: default:
943: break;
944: }
945:
946: assert(TYPE_NONE != type);
947:
1.47 kristaps 948: n = mdoc->last->data.block.head;
949:
1.25 kristaps 950: if (TYPE_HEAD == type) {
1.33 kristaps 951: if (NULL == n->child)
1.53 kristaps 952: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
953: "argument(s) suggested"))
1.25 kristaps 954: return(0);
955:
1.33 kristaps 956: n = mdoc->last->data.block.body;
957: if (NULL == n->child)
1.53 kristaps 958: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
959: "multiline body suggested"))
1.25 kristaps 960: return(0);
961:
1.47 kristaps 962: } else if (TYPE_BODY == type) {
963: if (n->child)
1.53 kristaps 964: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
965: "no argument suggested"))
1.47 kristaps 966: return(0);
967:
968: n = mdoc->last->data.block.body;
969: if (NULL == n->child)
1.53 kristaps 970: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
971: "multiline body suggested"))
1.47 kristaps 972: return(0);
973: } else {
974: if (NULL == n->child)
1.53 kristaps 975: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
976: "argument(s) suggested"))
1.47 kristaps 977: return(0);
978:
979: n = mdoc->last->data.block.body;
980: if (n->child)
1.53 kristaps 981: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
982: "no multiline body suggested"))
1.47 kristaps 983: return(0);
1.25 kristaps 984: }
985:
1.47 kristaps 986: if (MDOC_Column != sv)
1.26 kristaps 987: return(1);
988:
1.38 kristaps 989: argc = mdoc->last->parent->parent->data.block.argv->sz;
1.26 kristaps 990: n = mdoc->last->data.block.head->child;
1.25 kristaps 991:
1.26 kristaps 992: for (i = 0; n; n = n->next)
993: i++;
994:
1.53 kristaps 995: if (i == (int)argc)
1.26 kristaps 996: return(1);
1.53 kristaps 997:
998: return(mdoc_err(mdoc, "need %zu columns (have %d)", argc, i));
1.25 kristaps 999: #undef TYPE_NONE
1000: #undef TYPE_BODY
1001: #undef TYPE_HEAD
1.47 kristaps 1002: #undef TYPE_OHEAD
1.25 kristaps 1003: }
1004:
1005:
1.24 kristaps 1006: static int
1.55 kristaps 1007: post_bl(POST_ARGS)
1.24 kristaps 1008: {
1.53 kristaps 1009: struct mdoc_node *n;
1.24 kristaps 1010:
1011: if (MDOC_BODY != mdoc->last->type)
1012: return(1);
1013:
1.38 kristaps 1014: /* LINTED */
1.24 kristaps 1015: for (n = mdoc->last->child; n; n = n->next) {
1016: if (MDOC_BLOCK == n->type)
1.25 kristaps 1017: if (MDOC_It == n->tok)
1.24 kristaps 1018: continue;
1019: break;
1020: }
1.53 kristaps 1021:
1.24 kristaps 1022: if (NULL == n)
1023: return(1);
1.53 kristaps 1024:
1025: return(mdoc_nerr(mdoc, n, "bad child of parent list"));
1.24 kristaps 1026: }
1027:
1028:
1.34 kristaps 1029: static int
1.37 kristaps 1030: ebool(struct mdoc *mdoc)
1.34 kristaps 1031: {
1032: struct mdoc_node *n;
1033:
1.38 kristaps 1034: /* LINTED */
1.34 kristaps 1035: for (n = mdoc->last->child; n; n = n->next) {
1036: if (MDOC_TEXT != n->type)
1037: break;
1038: if (xstrcmp(n->data.text.string, "on"))
1039: continue;
1040: if (xstrcmp(n->data.text.string, "off"))
1041: continue;
1042: break;
1043: }
1.53 kristaps 1044:
1.34 kristaps 1045: if (NULL == n)
1046: return(1);
1.53 kristaps 1047: return(mdoc_nerr(mdoc, n, "expected boolean"));
1.37 kristaps 1048: }
1049:
1050:
1051: static int
1.55 kristaps 1052: post_root(POST_ARGS)
1.37 kristaps 1053: {
1054:
1.46 kristaps 1055: if (NULL == mdoc->first->child)
1.53 kristaps 1056: return(mdoc_err(mdoc, "document lacks data"));
1.46 kristaps 1057: if (SEC_PROLOGUE == mdoc->lastnamed)
1.53 kristaps 1058: return(mdoc_err(mdoc, "document lacks prologue"));
1059:
1.46 kristaps 1060: if (MDOC_BLOCK != mdoc->first->child->type)
1.54 kristaps 1061: return(mdoc_err(mdoc, "lacking post-prologue %s",
1.53 kristaps 1062: mdoc_macronames[MDOC_Sh]));
1.46 kristaps 1063: if (MDOC_Sh != mdoc->first->child->tok)
1.54 kristaps 1064: return(mdoc_err(mdoc, "lacking post-prologue %s",
1.53 kristaps 1065: mdoc_macronames[MDOC_Sh]));
1066:
1.37 kristaps 1067: return(1);
1.34 kristaps 1068: }
1069:
1070:
1.20 kristaps 1071: static int
1.55 kristaps 1072: post_sh(POST_ARGS)
1.14 kristaps 1073: {
1.46 kristaps 1074:
1075: if (MDOC_HEAD == mdoc->last->type)
1076: return(post_sh_head(mdoc));
1077: if (MDOC_BODY == mdoc->last->type)
1078: return(post_sh_body(mdoc));
1.53 kristaps 1079:
1.46 kristaps 1080: return(1);
1081: }
1082:
1083:
1084: static int
1.55 kristaps 1085: post_sh_body(POST_ARGS)
1.46 kristaps 1086: {
1087: struct mdoc_node *n;
1088:
1089: if (SEC_NAME != mdoc->lastnamed)
1090: return(1);
1091:
1.51 kristaps 1092: /*
1093: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1094: * macros (can have multiple `Nm' and one `Nd'). Note that the
1095: * children of the BODY declaration can also be "text".
1096: */
1097:
1.46 kristaps 1098: if (NULL == (n = mdoc->last->child))
1.54 kristaps 1099: return(mdoc_warn(mdoc, WARN_SYNTAX,
1100: "section should have %s and %s",
1.51 kristaps 1101: mdoc_macronames[MDOC_Nm],
1102: mdoc_macronames[MDOC_Nd]));
1103:
1104: for ( ; n && n->next; n = n->next) {
1105: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1106: continue;
1107: if (MDOC_TEXT == n->type)
1108: continue;
1.54 kristaps 1109: if ( ! (mdoc_nwarn(mdoc, n, WARN_SYNTAX,
1110: "section should have %s first",
1.51 kristaps 1111: mdoc_macronames[MDOC_Nm])))
1112: return(0);
1113: }
1114:
1115: if (MDOC_ELEM == n->type && MDOC_Nd == n->tok)
1.46 kristaps 1116: return(1);
1117:
1.54 kristaps 1118: return(mdoc_warn(mdoc, WARN_SYNTAX,
1119: "section should have %s last",
1.51 kristaps 1120: mdoc_macronames[MDOC_Nd]));
1.46 kristaps 1121: }
1122:
1123:
1124: static int
1.55 kristaps 1125: post_sh_head(POST_ARGS)
1.46 kristaps 1126: {
1.36 kristaps 1127: char buf[64];
1.21 kristaps 1128: enum mdoc_sec sec;
1129:
1.25 kristaps 1130: assert(MDOC_Sh == mdoc->last->tok);
1.21 kristaps 1131:
1.54 kristaps 1132: if ( ! xstrlcats(buf, mdoc->last->child, sizeof(buf)))
1133: return(mdoc_err(mdoc, "argument too long"));
1.14 kristaps 1134:
1.46 kristaps 1135: sec = mdoc_atosec(buf);
1136:
1137: if (SEC_BODY == mdoc->lastnamed && SEC_NAME != sec)
1.54 kristaps 1138: return(mdoc_warn(mdoc, WARN_SYNTAX,
1139: "section NAME should be first"));
1.46 kristaps 1140: if (SEC_CUSTOM == sec)
1.21 kristaps 1141: return(1);
1.46 kristaps 1142: if (sec == mdoc->lastnamed)
1.54 kristaps 1143: return(mdoc_warn(mdoc, WARN_SYNTAX,
1144: "section repeated"));
1.46 kristaps 1145: if (sec < mdoc->lastnamed)
1.54 kristaps 1146: return(mdoc_warn(mdoc, WARN_SYNTAX,
1147: "section out of order"));
1.46 kristaps 1148:
1149: return(1);
1.11 kristaps 1150: }
1151:
1152:
1.57 kristaps 1153: static int
1154: post_fd(POST_ARGS)
1.11 kristaps 1155: {
1.39 kristaps 1156:
1.57 kristaps 1157: if (SEC_SYNOPSIS == mdoc->last->sec)
1.25 kristaps 1158: return(1);
1.57 kristaps 1159: return(mdoc_warn(mdoc, WARN_COMPAT,
1160: "suggested only in section SYNOPSIS"));
1.11 kristaps 1161: }
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