Annotation of mandoc/validate.c, Revision 1.63
1.63 ! kristaps 1: /* $Id: validate.c,v 1.62 2009/02/27 09:14:02 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 *,
1.63 ! kristaps 55: int, int, const char *);
1.55 kristaps 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;
1.63 ! kristaps 281: size_t argc;
! 282: int line, pos, i, j;
1.57 kristaps 283: const char *tp;
284:
285: if (MDOC_TEXT == node->type) {
286: tp = node->data.text.string;
287: line = node->line;
288: pos = node->pos;
289: return(check_text(mdoc, line, pos, tp));
290: }
291:
292: if (MDOC_BLOCK == node->type || MDOC_ELEM == node->type) {
293: argv = MDOC_BLOCK == node->type ?
294: node->data.block.argv :
295: node->data.elem.argv;
296: argc = MDOC_BLOCK == node->type ?
297: node->data.block.argc :
298: node->data.elem.argc;
299:
1.63 ! kristaps 300: for (i = 0; i < (int)argc; i++) {
1.57 kristaps 301: if (0 == argv[i].sz)
302: continue;
1.63 ! kristaps 303: for (j = 0; j < (int)argv[i].sz; j++) {
1.57 kristaps 304: tp = argv[i].value[j];
305: line = argv[i].line;
306: pos = argv[i].pos;
307: if ( ! check_text(mdoc, line, pos, tp))
308: return(0);
309: }
310: }
311: }
312:
313: if (NULL == mdoc_valids[node->tok].pre)
314: return(1);
315: for (p = mdoc_valids[node->tok].pre; *p; p++)
316: if ( ! (*p)(mdoc, node))
317: return(0);
318: return(1);
319: }
320:
321:
322: int
323: mdoc_valid_post(struct mdoc *mdoc)
324: {
325: v_post *p;
326:
327: /*
328: * This check occurs after the macro's children have been filled
329: * in: postfix validation. Since this happens when we're
330: * rewinding the scope tree, it's possible to have multiple
331: * invocations (as by design, for now), we set bit MDOC_VALID to
332: * indicate that we've validated.
333: */
334:
335: if (MDOC_VALID & mdoc->last->flags)
336: return(1);
337: mdoc->last->flags |= MDOC_VALID;
338:
339: if (MDOC_TEXT == mdoc->last->type)
340: return(1);
341: if (MDOC_ROOT == mdoc->last->type)
342: return(post_root(mdoc));
343:
344: if (NULL == mdoc_valids[mdoc->last->tok].post)
345: return(1);
346: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
347: if ( ! (*p)(mdoc))
348: return(0);
349:
350: return(1);
351: }
352:
353:
354:
1.51 kristaps 355: static inline int
356: warn_count(struct mdoc *m, const char *k,
357: int want, const char *v, int has)
358: {
359:
1.55 kristaps 360: return(mdoc_warn(m, WARN_SYNTAX,
1.58 kristaps 361: "suggests %s %s %d (has %d)",
362: v, k, want, has));
1.51 kristaps 363: }
364:
365:
366: static inline int
367: err_count(struct mdoc *m, const char *k,
368: int want, const char *v, int has)
369: {
370:
1.58 kristaps 371: return(mdoc_err(m, "requires %s %s %d (has %d)",
372: v, k, want, has));
1.51 kristaps 373: }
374:
375:
376: static inline int
377: count_child(struct mdoc *mdoc)
1.36 kristaps 378: {
1.51 kristaps 379: int i;
1.36 kristaps 380: struct mdoc_node *n;
381:
382: for (i = 0, n = mdoc->last->child; n; n = n->next, i++)
383: /* Do nothing */ ;
1.53 kristaps 384:
1.36 kristaps 385: return(i);
386: }
387:
388:
1.53 kristaps 389: /*
390: * Build these up with macros because they're basically the same check
391: * for different inequalities. Yes, this could be done with functions,
392: * but this is reasonable for now.
393: */
1.36 kristaps 394:
1.53 kristaps 395: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
396: static int \
397: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
398: { \
399: int i; \
400: if ((i = count_child(mdoc)) ineq sz) \
401: return(1); \
402: return(lvl##_count(mdoc, #ineq, sz, p, i)); \
403: }
404:
405: #define CHECK_BODY_DEFN(name, lvl, func, num) \
406: static int \
1.55 kristaps 407: b##lvl##_##name(POST_ARGS) \
1.53 kristaps 408: { \
409: if (MDOC_BODY != mdoc->last->type) \
410: return(1); \
411: return(func(mdoc, "multiline parameters", (num))); \
412: }
413:
414: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
415: static int \
1.55 kristaps 416: e##lvl##_##name(POST_ARGS) \
1.53 kristaps 417: { \
418: assert(MDOC_ELEM == mdoc->last->type); \
419: return(func(mdoc, "line parameters", (num))); \
420: }
421:
422: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
423: static int \
1.55 kristaps 424: h##lvl##_##name(POST_ARGS) \
1.53 kristaps 425: { \
426: if (MDOC_HEAD != mdoc->last->type) \
427: return(1); \
1.58 kristaps 428: return(func(mdoc, "line parameters", (num))); \
1.36 kristaps 429: }
430:
431:
1.53 kristaps 432: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
433: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
434: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
435: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
436: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
1.59 kristaps 437: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
1.53 kristaps 438: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
439: CHECK_ELEM_DEFN(eq1, warn, warn_child_eq, 1) /* ewarn_eq1() */
440: CHECK_ELEM_DEFN(eq0, warn, warn_child_eq, 0) /* ewarn_eq0() */
441: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
442: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
443: CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */
444: CHECK_ELEM_DEFN(le1, err, err_child_lt, 2) /* eerr_le1() */
445: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
446: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
447: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
1.59 kristaps 448: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
1.53 kristaps 449: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
1.58 kristaps 450: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
1.36 kristaps 451:
452:
453: static int
1.55 kristaps 454: check_stdarg(PRE_ARGS)
1.36 kristaps 455: {
456:
1.55 kristaps 457: if (MDOC_Std == n->data.elem.argv[0].arg &&
458: 1 == n->data.elem.argc)
1.36 kristaps 459: return(1);
1.51 kristaps 460:
1.55 kristaps 461: return(mdoc_nwarn(mdoc, n, WARN_COMPAT,
1.53 kristaps 462: "one argument suggested"));
1.36 kristaps 463: }
464:
465:
466: static int
1.55 kristaps 467: check_msec(PRE_ARGS, int sz, enum mdoc_msec *msecs)
1.33 kristaps 468: {
469: int i;
470:
471: for (i = 0; i < sz; i++)
472: if (msecs[i] == mdoc->meta.msec)
473: return(1);
1.55 kristaps 474: return(mdoc_nwarn(mdoc, n, WARN_COMPAT,
475: "invalid manual section"));
476: }
477:
478:
479: static int
1.63 ! kristaps 480: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
1.55 kristaps 481: {
482: size_t c;
483:
1.62 kristaps 484: /* XXX - indicate deprecated escapes \*(xx and \*x. */
485:
1.55 kristaps 486: for ( ; *p; p++) {
1.60 kristaps 487: if ( ! isprint((int)*p) && '\t' != *p)
1.56 kristaps 488: return(mdoc_perr(mdoc, line, pos,
489: "invalid characters"));
1.55 kristaps 490: if ('\\' != *p)
491: continue;
492: if ((c = mdoc_isescape(p))) {
1.63 ! kristaps 493: p += (int)c - 1;
1.55 kristaps 494: continue;
495: }
496: return(mdoc_perr(mdoc, line, pos,
1.56 kristaps 497: "invalid escape sequence"));
1.55 kristaps 498: }
499:
500: return(1);
1.14 kristaps 501: }
502:
503:
1.55 kristaps 504:
505:
1.14 kristaps 506: static int
1.55 kristaps 507: check_parent(PRE_ARGS, int tok, enum mdoc_type t)
1.54 kristaps 508: {
509:
510: assert(n->parent);
511: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
512: (t == n->parent->type))
513: return(1);
514:
515: return(mdoc_nerr(mdoc, n, "require parent %s",
516: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
517: }
518:
519:
520:
521: static int
1.55 kristaps 522: pre_display(PRE_ARGS)
1.23 kristaps 523: {
1.55 kristaps 524: struct mdoc_node *node;
1.23 kristaps 525:
1.53 kristaps 526: /* Display elements (`Bd', `D1'...) cannot be nested. */
527:
1.55 kristaps 528: if (MDOC_BLOCK != n->type)
1.24 kristaps 529: return(1);
530:
1.38 kristaps 531: /* LINTED */
1.55 kristaps 532: for (node = mdoc->last->parent; node; node = node->parent)
533: if (MDOC_BLOCK == node->type)
534: if (MDOC_Bd == node->tok)
1.23 kristaps 535: break;
1.55 kristaps 536: if (NULL == node)
1.23 kristaps 537: return(1);
1.53 kristaps 538:
1.55 kristaps 539: return(mdoc_nerr(mdoc, n, "displays may not be nested"));
1.23 kristaps 540: }
541:
542:
543: static int
1.55 kristaps 544: pre_bl(PRE_ARGS)
1.24 kristaps 545: {
1.61 kristaps 546: int type, i, width, offset;
1.24 kristaps 547: struct mdoc_arg *argv;
1.53 kristaps 548: size_t argc;
1.24 kristaps 549:
1.55 kristaps 550: if (MDOC_BLOCK != n->type)
1.24 kristaps 551: return(1);
552:
1.55 kristaps 553: argc = n->data.block.argc;
1.24 kristaps 554:
1.53 kristaps 555: /* Make sure that only one type of list is specified. */
556:
1.61 kristaps 557: type = offset = width = -1;
558:
1.38 kristaps 559: /* LINTED */
1.61 kristaps 560: for (i = 0; i < (int)argc; i++) {
1.55 kristaps 561: argv = &n->data.block.argv[i];
1.53 kristaps 562:
1.24 kristaps 563: switch (argv->arg) {
564: case (MDOC_Bullet):
565: /* FALLTHROUGH */
566: case (MDOC_Dash):
567: /* FALLTHROUGH */
568: case (MDOC_Enum):
569: /* FALLTHROUGH */
570: case (MDOC_Hyphen):
571: /* FALLTHROUGH */
572: case (MDOC_Item):
573: /* FALLTHROUGH */
574: case (MDOC_Tag):
575: /* FALLTHROUGH */
576: case (MDOC_Diag):
577: /* FALLTHROUGH */
578: case (MDOC_Hang):
579: /* FALLTHROUGH */
580: case (MDOC_Ohang):
581: /* FALLTHROUGH */
582: case (MDOC_Inset):
1.26 kristaps 583: /* FALLTHROUGH */
584: case (MDOC_Column):
1.61 kristaps 585: if (-1 == type) {
586: type = argv->arg;
1.53 kristaps 587: break;
1.61 kristaps 588: }
1.53 kristaps 589: return(mdoc_perr(mdoc, argv->line, argv->pos,
590: "multiple types specified"));
1.61 kristaps 591: case (MDOC_Width):
592: if (-1 == width) {
593: width = argv->arg;
594: break;
595: }
596: return(mdoc_perr(mdoc, argv->line, argv->pos,
597: "multiple -%s arguments",
598: mdoc_argnames[MDOC_Width]));
599: case (MDOC_Offset):
600: if (-1 == offset) {
601: offset = argv->arg;
602: break;
603: }
604: return(mdoc_perr(mdoc, argv->line, argv->pos,
605: "multiple -%s arguments",
606: mdoc_argnames[MDOC_Offset]));
1.24 kristaps 607: default:
608: break;
609: }
610: }
1.53 kristaps 611:
1.61 kristaps 612: if (-1 == type)
613: return(mdoc_err(mdoc, "no type specified"));
614:
615: switch (type) {
616: case (MDOC_Column):
617: /* FALLTHROUGH */
618: case (MDOC_Diag):
619: /* FALLTHROUGH */
620: case (MDOC_Inset):
621: /* FALLTHROUGH */
622: case (MDOC_Item):
623: if (-1 == width)
624: break;
625: return(mdoc_nwarn(mdoc, n, WARN_SYNTAX,
626: "superfluous -%s argument",
627: mdoc_argnames[MDOC_Width]));
628: case (MDOC_Tag):
629: if (-1 != width)
630: break;
631: return(mdoc_nwarn(mdoc, n, WARN_SYNTAX,
632: "suggest -%s argument",
633: mdoc_argnames[MDOC_Width]));
634: default:
635: break;
636: }
637:
638: return(1);
1.24 kristaps 639: }
640:
641:
642: static int
1.55 kristaps 643: pre_bd(PRE_ARGS)
1.24 kristaps 644: {
1.53 kristaps 645: int type, err, i;
1.24 kristaps 646: struct mdoc_arg *argv;
1.53 kristaps 647: size_t argc;
1.24 kristaps 648:
1.55 kristaps 649: if (MDOC_BLOCK != n->type)
1.24 kristaps 650: return(1);
651:
1.55 kristaps 652: argc = n->data.block.argc;
1.24 kristaps 653:
1.53 kristaps 654: /* Make sure that only one type of display is specified. */
655:
1.38 kristaps 656: /* LINTED */
1.53 kristaps 657: for (i = 0, err = type = 0; ! err && i < (int)argc; i++) {
1.55 kristaps 658: argv = &n->data.block.argv[i];
1.53 kristaps 659:
1.24 kristaps 660: switch (argv->arg) {
661: case (MDOC_Ragged):
662: /* FALLTHROUGH */
663: case (MDOC_Unfilled):
664: /* FALLTHROUGH */
1.29 kristaps 665: case (MDOC_Filled):
666: /* FALLTHROUGH */
1.24 kristaps 667: case (MDOC_Literal):
668: /* FALLTHROUGH */
669: case (MDOC_File):
1.53 kristaps 670: if (0 == type++)
671: break;
672: return(mdoc_perr(mdoc, argv->line, argv->pos,
673: "multiple types specified"));
1.24 kristaps 674: default:
675: break;
676: }
677: }
1.53 kristaps 678:
679: if (type)
680: return(1);
681: return(mdoc_err(mdoc, "no type specified"));
1.24 kristaps 682: }
683:
684:
685: static int
1.55 kristaps 686: pre_ss(PRE_ARGS)
1.33 kristaps 687: {
688:
1.55 kristaps 689: if (MDOC_BLOCK != n->type)
1.33 kristaps 690: return(1);
1.55 kristaps 691: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
1.33 kristaps 692: }
693:
694:
695: static int
1.55 kristaps 696: pre_sh(PRE_ARGS)
1.33 kristaps 697: {
698:
1.55 kristaps 699: if (MDOC_BLOCK != n->type)
1.33 kristaps 700: return(1);
1.55 kristaps 701: return(check_parent(mdoc, n, -1, MDOC_ROOT));
1.33 kristaps 702: }
703:
704:
705: static int
1.55 kristaps 706: pre_it(PRE_ARGS)
1.53 kristaps 707: {
708:
709: /* TODO: children too big for -width? */
710:
1.55 kristaps 711: if (MDOC_BLOCK != n->type)
1.53 kristaps 712: return(1);
1.55 kristaps 713: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
1.53 kristaps 714: }
715:
716:
717: static int
1.55 kristaps 718: pre_st(PRE_ARGS)
1.36 kristaps 719: {
720:
1.55 kristaps 721: if (1 == n->data.elem.argc)
1.36 kristaps 722: return(1);
1.55 kristaps 723: return(mdoc_nerr(mdoc, n, "one argument required"));
1.36 kristaps 724: }
725:
726:
727: static int
1.55 kristaps 728: pre_an(PRE_ARGS)
1.35 kristaps 729: {
1.36 kristaps 730:
1.55 kristaps 731: if (1 >= n->data.elem.argc)
1.35 kristaps 732: return(1);
1.55 kristaps 733: return(mdoc_nerr(mdoc, n, "one argument allowed"));
1.35 kristaps 734: }
735:
736:
737: static int
1.55 kristaps 738: pre_rv(PRE_ARGS)
1.36 kristaps 739: {
1.53 kristaps 740: enum mdoc_msec msecs[] = { MSEC_2, MSEC_3 };
1.36 kristaps 741:
1.55 kristaps 742: if ( ! check_msec(mdoc, n, 2, msecs))
1.36 kristaps 743: return(0);
1.55 kristaps 744: return(check_stdarg(mdoc, n));
1.36 kristaps 745: }
746:
747:
748: static int
1.55 kristaps 749: pre_ex(PRE_ARGS)
1.33 kristaps 750: {
1.53 kristaps 751: enum mdoc_msec msecs[] = { MSEC_1, MSEC_6, MSEC_8 };
1.35 kristaps 752:
1.55 kristaps 753: if ( ! check_msec(mdoc, n, 3, msecs))
1.35 kristaps 754: return(0);
1.55 kristaps 755: return(check_stdarg(mdoc, n));
1.33 kristaps 756: }
757:
758:
759: static int
1.55 kristaps 760: pre_er(PRE_ARGS)
1.33 kristaps 761: {
1.53 kristaps 762: enum mdoc_msec msecs[] = { MSEC_2 };
1.33 kristaps 763:
1.55 kristaps 764: return(check_msec(mdoc, n, 1, msecs));
1.33 kristaps 765: }
766:
767:
768: static int
1.55 kristaps 769: pre_cd(PRE_ARGS)
1.33 kristaps 770: {
1.53 kristaps 771: enum mdoc_msec msecs[] = { MSEC_4 };
1.33 kristaps 772:
1.55 kristaps 773: return(check_msec(mdoc, n, 1, msecs));
1.33 kristaps 774: }
775:
776:
777: static int
1.55 kristaps 778: pre_prologue(PRE_ARGS)
1.20 kristaps 779: {
780:
1.46 kristaps 781: if (SEC_PROLOGUE != mdoc->lastnamed)
1.55 kristaps 782: return(mdoc_nerr(mdoc, n, "prologue only"));
1.20 kristaps 783:
784: /* Check for ordering. */
785:
1.55 kristaps 786: switch (n->tok) {
1.20 kristaps 787: case (MDOC_Os):
1.36 kristaps 788: if (mdoc->meta.title && mdoc->meta.date)
1.20 kristaps 789: break;
1.55 kristaps 790: return(mdoc_nerr(mdoc, n, "prologue out-of-order"));
1.20 kristaps 791: case (MDOC_Dt):
1.36 kristaps 792: if (NULL == mdoc->meta.title && mdoc->meta.date)
1.20 kristaps 793: break;
1.55 kristaps 794: return(mdoc_nerr(mdoc, n, "prologue out-of-order"));
1.20 kristaps 795: case (MDOC_Dd):
1.36 kristaps 796: if (NULL == mdoc->meta.title && 0 == mdoc->meta.date)
1.20 kristaps 797: break;
1.55 kristaps 798: return(mdoc_nerr(mdoc, n, "prologue out-of-order"));
1.20 kristaps 799: default:
800: abort();
801: /* NOTREACHED */
802: }
803:
804: /* Check for repetition. */
805:
1.55 kristaps 806: switch (n->tok) {
1.20 kristaps 807: case (MDOC_Os):
1.36 kristaps 808: if (NULL == mdoc->meta.os)
1.20 kristaps 809: return(1);
810: break;
811: case (MDOC_Dd):
812: if (0 == mdoc->meta.date)
813: return(1);
814: break;
815: case (MDOC_Dt):
1.36 kristaps 816: if (NULL == mdoc->meta.title)
1.20 kristaps 817: return(1);
818: break;
819: default:
820: abort();
821: /* NOTREACHED */
822: }
823:
1.55 kristaps 824: return(mdoc_nerr(mdoc, n, "prologue repetition"));
1.20 kristaps 825: }
826:
827:
1.35 kristaps 828: static int
1.55 kristaps 829: post_bf(POST_ARGS)
1.41 kristaps 830: {
831: char *p;
832: struct mdoc_node *head;
833:
834: if (MDOC_BLOCK != mdoc->last->type)
835: return(1);
1.53 kristaps 836:
1.41 kristaps 837: head = mdoc->last->data.block.head;
838:
839: if (0 == mdoc->last->data.block.argc) {
1.53 kristaps 840: if (NULL == head->child)
841: return(mdoc_err(mdoc, "argument expected"));
842:
843: p = head->child->data.text.string;
844: if (xstrcmp(p, "Em"))
845: return(1);
846: else if (xstrcmp(p, "Li"))
847: return(1);
848: else if (xstrcmp(p, "Sm"))
849: return(1);
850: return(mdoc_nerr(mdoc, head->child, "invalid font"));
1.41 kristaps 851: }
1.53 kristaps 852:
1.41 kristaps 853: if (head->child)
1.53 kristaps 854: return(mdoc_err(mdoc, "argument expected"));
855:
1.41 kristaps 856: if (1 == mdoc->last->data.block.argc)
857: return(1);
1.53 kristaps 858: return(mdoc_err(mdoc, "argument expected"));
1.41 kristaps 859: }
860:
861:
862: static int
1.55 kristaps 863: post_nm(POST_ARGS)
1.37 kristaps 864: {
865:
866: if (mdoc->last->child)
867: return(1);
868: if (mdoc->meta.name)
869: return(1);
1.53 kristaps 870: return(mdoc_err(mdoc, "not yet invoked with name"));
1.37 kristaps 871: }
872:
873:
874: static int
1.55 kristaps 875: post_xr(POST_ARGS)
1.36 kristaps 876: {
877: struct mdoc_node *n;
878:
879: if (NULL == (n = mdoc->last->child->next))
880: return(1);
881: if (MSEC_DEFAULT != mdoc_atomsec(n->data.text.string))
882: return(1);
883: return(mdoc_nerr(mdoc, n, "invalid manual section"));
884: }
885:
886:
887: static int
1.55 kristaps 888: post_at(POST_ARGS)
1.36 kristaps 889: {
890:
1.37 kristaps 891: if (NULL == mdoc->last->child)
892: return(1);
1.36 kristaps 893: if (ATT_DEFAULT != mdoc_atoatt(mdoc->last->child->data.text.string))
894: return(1);
1.53 kristaps 895: return(mdoc_err(mdoc, "require valid symbol"));
1.36 kristaps 896: }
897:
898:
899: static int
1.55 kristaps 900: post_an(POST_ARGS)
1.35 kristaps 901: {
902:
903: if (0 != mdoc->last->data.elem.argc) {
904: if (NULL == mdoc->last->child)
905: return(1);
1.53 kristaps 906: return(mdoc_err(mdoc, "argument(s) expected"));
1.35 kristaps 907: }
908:
909: if (mdoc->last->child)
910: return(1);
1.53 kristaps 911: return(mdoc_err(mdoc, "argument(s) expected"));
1.35 kristaps 912: }
913:
914:
915: static int
1.55 kristaps 916: post_ex(POST_ARGS)
1.35 kristaps 917: {
918:
919: if (0 == mdoc->last->data.elem.argc) {
920: if (mdoc->last->child)
921: return(1);
1.53 kristaps 922: return(mdoc_err(mdoc, "argument(s) expected"));
1.35 kristaps 923: }
924: if (mdoc->last->child)
1.53 kristaps 925: return(mdoc_err(mdoc, "argument(s) expected"));
1.35 kristaps 926: if (1 != mdoc->last->data.elem.argc)
1.53 kristaps 927: return(mdoc_err(mdoc, "argument(s) expected"));
1.35 kristaps 928: if (MDOC_Std != mdoc->last->data.elem.argv[0].arg)
1.53 kristaps 929: return(mdoc_err(mdoc, "argument(s) expected"));
930:
1.35 kristaps 931: return(1);
932: }
933:
934:
1.25 kristaps 935: static int
1.55 kristaps 936: post_it(POST_ARGS)
1.25 kristaps 937: {
1.53 kristaps 938: int type, sv, i;
1.25 kristaps 939: #define TYPE_NONE (0)
940: #define TYPE_BODY (1)
941: #define TYPE_HEAD (2)
1.47 kristaps 942: #define TYPE_OHEAD (3)
1.53 kristaps 943: size_t argc;
1.25 kristaps 944: struct mdoc_node *n;
945:
946: if (MDOC_BLOCK != mdoc->last->type)
947: return(1);
948:
1.53 kristaps 949: n = mdoc->last->parent->parent;
1.25 kristaps 950:
951: argc = n->data.block.argc;
952: type = TYPE_NONE;
1.38 kristaps 953: sv = -1;
1.26 kristaps 954:
955: /* Some types require block-head, some not. */
1.25 kristaps 956:
1.38 kristaps 957: /* LINTED */
1.53 kristaps 958: for (i = 0; TYPE_NONE == type && i < (int)argc; i++)
959: switch (n->data.block.argv[i].arg) {
1.25 kristaps 960: case (MDOC_Tag):
961: /* FALLTHROUGH */
962: case (MDOC_Diag):
963: /* FALLTHROUGH */
964: case (MDOC_Hang):
965: /* FALLTHROUGH */
966: case (MDOC_Ohang):
967: /* FALLTHROUGH */
968: case (MDOC_Inset):
969: type = TYPE_HEAD;
1.53 kristaps 970: sv = n->data.block.argv[i].arg;
1.25 kristaps 971: break;
972: case (MDOC_Bullet):
973: /* FALLTHROUGH */
974: case (MDOC_Dash):
975: /* FALLTHROUGH */
976: case (MDOC_Enum):
977: /* FALLTHROUGH */
978: case (MDOC_Hyphen):
979: /* FALLTHROUGH */
980: case (MDOC_Item):
1.47 kristaps 981: type = TYPE_BODY;
1.53 kristaps 982: sv = n->data.block.argv[i].arg;
1.47 kristaps 983: break;
1.25 kristaps 984: case (MDOC_Column):
1.47 kristaps 985: type = TYPE_OHEAD;
1.53 kristaps 986: sv = n->data.block.argv[i].arg;
1.25 kristaps 987: break;
988: default:
989: break;
990: }
991:
992: assert(TYPE_NONE != type);
993:
1.47 kristaps 994: n = mdoc->last->data.block.head;
995:
1.25 kristaps 996: if (TYPE_HEAD == type) {
1.33 kristaps 997: if (NULL == n->child)
1.53 kristaps 998: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
999: "argument(s) suggested"))
1.25 kristaps 1000: return(0);
1001:
1.33 kristaps 1002: n = mdoc->last->data.block.body;
1003: if (NULL == n->child)
1.53 kristaps 1004: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
1005: "multiline body suggested"))
1.25 kristaps 1006: return(0);
1007:
1.47 kristaps 1008: } else if (TYPE_BODY == type) {
1009: if (n->child)
1.53 kristaps 1010: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
1011: "no argument suggested"))
1.47 kristaps 1012: return(0);
1013:
1014: n = mdoc->last->data.block.body;
1015: if (NULL == n->child)
1.53 kristaps 1016: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
1017: "multiline body suggested"))
1.47 kristaps 1018: return(0);
1019: } else {
1020: if (NULL == n->child)
1.53 kristaps 1021: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
1022: "argument(s) suggested"))
1.47 kristaps 1023: return(0);
1024:
1025: n = mdoc->last->data.block.body;
1026: if (n->child)
1.53 kristaps 1027: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
1028: "no multiline body suggested"))
1.47 kristaps 1029: return(0);
1.25 kristaps 1030: }
1031:
1.47 kristaps 1032: if (MDOC_Column != sv)
1.26 kristaps 1033: return(1);
1034:
1.38 kristaps 1035: argc = mdoc->last->parent->parent->data.block.argv->sz;
1.26 kristaps 1036: n = mdoc->last->data.block.head->child;
1.25 kristaps 1037:
1.26 kristaps 1038: for (i = 0; n; n = n->next)
1039: i++;
1040:
1.53 kristaps 1041: if (i == (int)argc)
1.26 kristaps 1042: return(1);
1.53 kristaps 1043:
1044: return(mdoc_err(mdoc, "need %zu columns (have %d)", argc, i));
1.25 kristaps 1045: #undef TYPE_NONE
1046: #undef TYPE_BODY
1047: #undef TYPE_HEAD
1.47 kristaps 1048: #undef TYPE_OHEAD
1.25 kristaps 1049: }
1050:
1051:
1.24 kristaps 1052: static int
1.55 kristaps 1053: post_bl(POST_ARGS)
1.24 kristaps 1054: {
1.53 kristaps 1055: struct mdoc_node *n;
1.24 kristaps 1056:
1057: if (MDOC_BODY != mdoc->last->type)
1058: return(1);
1059:
1.38 kristaps 1060: /* LINTED */
1.24 kristaps 1061: for (n = mdoc->last->child; n; n = n->next) {
1062: if (MDOC_BLOCK == n->type)
1.25 kristaps 1063: if (MDOC_It == n->tok)
1.24 kristaps 1064: continue;
1065: break;
1066: }
1.53 kristaps 1067:
1.24 kristaps 1068: if (NULL == n)
1069: return(1);
1.53 kristaps 1070:
1071: return(mdoc_nerr(mdoc, n, "bad child of parent list"));
1.24 kristaps 1072: }
1073:
1074:
1.34 kristaps 1075: static int
1.37 kristaps 1076: ebool(struct mdoc *mdoc)
1.34 kristaps 1077: {
1078: struct mdoc_node *n;
1079:
1.38 kristaps 1080: /* LINTED */
1.34 kristaps 1081: for (n = mdoc->last->child; n; n = n->next) {
1082: if (MDOC_TEXT != n->type)
1083: break;
1084: if (xstrcmp(n->data.text.string, "on"))
1085: continue;
1086: if (xstrcmp(n->data.text.string, "off"))
1087: continue;
1088: break;
1089: }
1.53 kristaps 1090:
1.34 kristaps 1091: if (NULL == n)
1092: return(1);
1.53 kristaps 1093: return(mdoc_nerr(mdoc, n, "expected boolean"));
1.37 kristaps 1094: }
1095:
1096:
1097: static int
1.55 kristaps 1098: post_root(POST_ARGS)
1.37 kristaps 1099: {
1100:
1.46 kristaps 1101: if (NULL == mdoc->first->child)
1.53 kristaps 1102: return(mdoc_err(mdoc, "document lacks data"));
1.46 kristaps 1103: if (SEC_PROLOGUE == mdoc->lastnamed)
1.53 kristaps 1104: return(mdoc_err(mdoc, "document lacks prologue"));
1105:
1.46 kristaps 1106: if (MDOC_BLOCK != mdoc->first->child->type)
1.54 kristaps 1107: return(mdoc_err(mdoc, "lacking post-prologue %s",
1.53 kristaps 1108: mdoc_macronames[MDOC_Sh]));
1.46 kristaps 1109: if (MDOC_Sh != mdoc->first->child->tok)
1.54 kristaps 1110: return(mdoc_err(mdoc, "lacking post-prologue %s",
1.53 kristaps 1111: mdoc_macronames[MDOC_Sh]));
1112:
1.37 kristaps 1113: return(1);
1.34 kristaps 1114: }
1115:
1116:
1.20 kristaps 1117: static int
1.55 kristaps 1118: post_sh(POST_ARGS)
1.14 kristaps 1119: {
1.46 kristaps 1120:
1121: if (MDOC_HEAD == mdoc->last->type)
1122: return(post_sh_head(mdoc));
1123: if (MDOC_BODY == mdoc->last->type)
1124: return(post_sh_body(mdoc));
1.53 kristaps 1125:
1.46 kristaps 1126: return(1);
1127: }
1128:
1129:
1130: static int
1.55 kristaps 1131: post_sh_body(POST_ARGS)
1.46 kristaps 1132: {
1133: struct mdoc_node *n;
1134:
1135: if (SEC_NAME != mdoc->lastnamed)
1136: return(1);
1137:
1.51 kristaps 1138: /*
1139: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1140: * macros (can have multiple `Nm' and one `Nd'). Note that the
1141: * children of the BODY declaration can also be "text".
1142: */
1143:
1.46 kristaps 1144: if (NULL == (n = mdoc->last->child))
1.54 kristaps 1145: return(mdoc_warn(mdoc, WARN_SYNTAX,
1146: "section should have %s and %s",
1.51 kristaps 1147: mdoc_macronames[MDOC_Nm],
1148: mdoc_macronames[MDOC_Nd]));
1149:
1150: for ( ; n && n->next; n = n->next) {
1151: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1152: continue;
1153: if (MDOC_TEXT == n->type)
1154: continue;
1.54 kristaps 1155: if ( ! (mdoc_nwarn(mdoc, n, WARN_SYNTAX,
1156: "section should have %s first",
1.51 kristaps 1157: mdoc_macronames[MDOC_Nm])))
1158: return(0);
1159: }
1160:
1161: if (MDOC_ELEM == n->type && MDOC_Nd == n->tok)
1.46 kristaps 1162: return(1);
1163:
1.54 kristaps 1164: return(mdoc_warn(mdoc, WARN_SYNTAX,
1165: "section should have %s last",
1.51 kristaps 1166: mdoc_macronames[MDOC_Nd]));
1.46 kristaps 1167: }
1168:
1169:
1170: static int
1.55 kristaps 1171: post_sh_head(POST_ARGS)
1.46 kristaps 1172: {
1.36 kristaps 1173: char buf[64];
1.21 kristaps 1174: enum mdoc_sec sec;
1175:
1.25 kristaps 1176: assert(MDOC_Sh == mdoc->last->tok);
1.21 kristaps 1177:
1.54 kristaps 1178: if ( ! xstrlcats(buf, mdoc->last->child, sizeof(buf)))
1179: return(mdoc_err(mdoc, "argument too long"));
1.14 kristaps 1180:
1.46 kristaps 1181: sec = mdoc_atosec(buf);
1182:
1183: if (SEC_BODY == mdoc->lastnamed && SEC_NAME != sec)
1.54 kristaps 1184: return(mdoc_warn(mdoc, WARN_SYNTAX,
1185: "section NAME should be first"));
1.46 kristaps 1186: if (SEC_CUSTOM == sec)
1.21 kristaps 1187: return(1);
1.46 kristaps 1188: if (sec == mdoc->lastnamed)
1.54 kristaps 1189: return(mdoc_warn(mdoc, WARN_SYNTAX,
1190: "section repeated"));
1.46 kristaps 1191: if (sec < mdoc->lastnamed)
1.54 kristaps 1192: return(mdoc_warn(mdoc, WARN_SYNTAX,
1193: "section out of order"));
1.46 kristaps 1194:
1195: return(1);
1.11 kristaps 1196: }
1197:
1198:
1.57 kristaps 1199: static int
1200: post_fd(POST_ARGS)
1.11 kristaps 1201: {
1.39 kristaps 1202:
1.57 kristaps 1203: if (SEC_SYNOPSIS == mdoc->last->sec)
1.25 kristaps 1204: return(1);
1.57 kristaps 1205: return(mdoc_warn(mdoc, WARN_COMPAT,
1206: "suggested only in section SYNOPSIS"));
1.11 kristaps 1207: }
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