Annotation of mandoc/validate.c, Revision 1.82
1.82 ! kristaps 1: /* $Id: validate.c,v 1.81 2009/03/12 06:32:17 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: */
1.77 kristaps 19: #include <sys/types.h>
20:
1.1 kristaps 21: #include <assert.h>
1.56 kristaps 22: #include <ctype.h>
1.69 kristaps 23: #include <stdarg.h>
1.8 kristaps 24: #include <stdlib.h>
1.1 kristaps 25:
26: #include "private.h"
27:
1.67 kristaps 28: /* FIXME: .Bl -diag can't have non-text children in HEAD. */
1.71 kristaps 29: /* TODO: ignoring Pp (it's superfluous in some invocations). */
1.67 kristaps 30:
1.44 kristaps 31: /*
32: * Pre- and post-validate macros as they're parsed. Pre-validation
33: * occurs when the macro has been detected and its arguments parsed.
34: * Post-validation occurs when all child macros have also been parsed.
35: * In the ELEMENT case, this is simply the parameters of the macro; in
36: * the BLOCK case, this is the HEAD, BODY, TAIL and so on.
37: */
38:
1.55 kristaps 39: #define PRE_ARGS struct mdoc *mdoc, const struct mdoc_node *n
40: #define POST_ARGS struct mdoc *mdoc
41:
1.71 kristaps 42: enum merr {
43: ENODATA,
44: ENOPROLOGUE,
45: ELINE,
46: EATT,
47: ENAME,
48: ELISTTYPE,
49: EDISPTYPE,
50: EMULTIDISP,
51: EMULTILIST,
52: EARGREP,
53: EBOOL,
54: ENESTDISP
55: };
56:
57: enum mwarn {
58: WWRONGMSEC,
59: WSECOOO,
60: WSECREP,
61: WBADSTAND,
62: WNAMESECINC,
63: WNOMULTILINE,
64: WMULTILINE,
65: WLINE,
66: WNOLINE,
67: WPROLOOO,
68: WPROLREP,
69: WARGVAL,
70: WBADSEC,
71: WBADMSEC
72: };
73:
1.55 kristaps 74: typedef int (*v_pre)(PRE_ARGS);
75: typedef int (*v_post)(POST_ARGS);
1.14 kristaps 76:
77: struct valids {
1.24 kristaps 78: v_pre *pre;
1.17 kristaps 79: v_post *post;
1.14 kristaps 80: };
1.1 kristaps 81:
1.37 kristaps 82: /* Utility checks. */
83:
1.71 kristaps 84: static int nwarn(struct mdoc *,
85: const struct mdoc_node *, enum mwarn);
86: static int nerr(struct mdoc *,
87: const struct mdoc_node *, enum merr);
1.55 kristaps 88: static int check_parent(PRE_ARGS, int, enum mdoc_type);
1.69 kristaps 89: static int check_msec(PRE_ARGS, ...);
90: static int check_sec(PRE_ARGS, ...);
1.55 kristaps 91: static int check_stdarg(PRE_ARGS);
92: static int check_text(struct mdoc *,
1.63 kristaps 93: int, int, const char *);
1.68 kristaps 94: static int check_argv(struct mdoc *,
95: const struct mdoc_node *,
1.71 kristaps 96: const struct mdoc_argv *);
97: static int check_args(struct mdoc *,
98: const struct mdoc_node *);
1.51 kristaps 99: static int err_child_lt(struct mdoc *, const char *, int);
1.59 kristaps 100: static int warn_child_lt(struct mdoc *, const char *, int);
1.51 kristaps 101: static int err_child_gt(struct mdoc *, const char *, int);
102: static int warn_child_gt(struct mdoc *, const char *, int);
103: static int err_child_eq(struct mdoc *, const char *, int);
104: static int warn_child_eq(struct mdoc *, const char *, int);
105: static inline int count_child(struct mdoc *);
106: static inline int warn_count(struct mdoc *, const char *,
107: int, const char *, int);
108: static inline int err_count(struct mdoc *, const char *,
109: int, const char *, int);
1.69 kristaps 110: static int pre_an(PRE_ARGS);
1.55 kristaps 111: static int pre_bd(PRE_ARGS);
112: static int pre_bl(PRE_ARGS);
113: static int pre_cd(PRE_ARGS);
1.69 kristaps 114: static int pre_dd(PRE_ARGS);
115: static int pre_display(PRE_ARGS);
116: static int pre_dt(PRE_ARGS);
1.55 kristaps 117: static int pre_er(PRE_ARGS);
118: static int pre_ex(PRE_ARGS);
1.69 kristaps 119: static int pre_fd(PRE_ARGS);
120: static int pre_it(PRE_ARGS);
121: static int pre_lb(PRE_ARGS);
122: static int pre_os(PRE_ARGS);
123: static int pre_prologue(PRE_ARGS);
1.55 kristaps 124: static int pre_rv(PRE_ARGS);
1.69 kristaps 125: static int pre_sh(PRE_ARGS);
126: static int pre_ss(PRE_ARGS);
1.55 kristaps 127: static int herr_ge1(POST_ARGS);
1.59 kristaps 128: static int hwarn_le1(POST_ARGS);
1.55 kristaps 129: static int herr_eq0(POST_ARGS);
130: static int eerr_eq0(POST_ARGS);
131: static int eerr_le2(POST_ARGS);
132: static int eerr_eq1(POST_ARGS);
133: static int eerr_ge1(POST_ARGS);
134: static int ewarn_eq0(POST_ARGS);
135: static int ewarn_eq1(POST_ARGS);
136: static int bwarn_ge1(POST_ARGS);
1.58 kristaps 137: static int hwarn_eq1(POST_ARGS);
1.55 kristaps 138: static int ewarn_ge1(POST_ARGS);
139: static int ebool(POST_ARGS);
1.78 kristaps 140:
1.69 kristaps 141: static int post_an(POST_ARGS);
1.82 ! kristaps 142: static int post_args(POST_ARGS);
1.69 kristaps 143: static int post_at(POST_ARGS);
144: static int post_bf(POST_ARGS);
1.55 kristaps 145: static int post_bl(POST_ARGS);
146: static int post_it(POST_ARGS);
147: static int post_nm(POST_ARGS);
148: static int post_root(POST_ARGS);
1.69 kristaps 149: static int post_sh(POST_ARGS);
150: static int post_sh_body(POST_ARGS);
151: static int post_sh_head(POST_ARGS);
152: static int post_st(POST_ARGS);
1.37 kristaps 153:
1.69 kristaps 154: static v_pre pres_an[] = { pre_an, NULL };
1.24 kristaps 155: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
156: static v_pre pres_bl[] = { pre_bl, NULL };
1.33 kristaps 157: static v_pre pres_cd[] = { pre_cd, NULL };
1.69 kristaps 158: static v_pre pres_dd[] = { pre_prologue, pre_dd, NULL };
159: static v_pre pres_d1[] = { pre_display, NULL };
160: static v_pre pres_dt[] = { pre_prologue, pre_dt, NULL };
1.33 kristaps 161: static v_pre pres_er[] = { pre_er, NULL };
162: static v_pre pres_ex[] = { pre_ex, NULL };
1.69 kristaps 163: static v_pre pres_fd[] = { pre_fd, NULL };
164: static v_pre pres_it[] = { pre_it, NULL };
165: static v_pre pres_lb[] = { pre_lb, NULL };
166: static v_pre pres_os[] = { pre_prologue, pre_os, NULL };
1.36 kristaps 167: static v_pre pres_rv[] = { pre_rv, NULL };
1.69 kristaps 168: static v_pre pres_sh[] = { pre_sh, NULL };
169: static v_pre pres_ss[] = { pre_ss, NULL };
1.37 kristaps 170: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
171: static v_post posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
172: static v_post posts_text[] = { eerr_ge1, NULL };
173: static v_post posts_wtext[] = { ewarn_ge1, NULL };
174: static v_post posts_notext[] = { eerr_eq0, NULL };
1.43 kristaps 175: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
1.37 kristaps 176: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
177: static v_post posts_bl[] = { herr_eq0, bwarn_ge1, post_bl, NULL };
1.25 kristaps 178: static v_post posts_it[] = { post_it, NULL };
1.39 kristaps 179: static v_post posts_in[] = { ewarn_eq1, NULL };
1.37 kristaps 180: static v_post posts_ss[] = { herr_ge1, NULL };
1.52 kristaps 181: static v_post posts_pf[] = { eerr_eq1, NULL };
1.69 kristaps 182: static v_post posts_lb[] = { eerr_eq1, NULL };
1.78 kristaps 183: static v_post posts_mt[] = { eerr_ge1, NULL };
1.69 kristaps 184: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
1.37 kristaps 185: static v_post posts_pp[] = { ewarn_eq0, NULL };
1.82 ! kristaps 186: static v_post posts_ex[] = { eerr_eq0, post_args, NULL };
! 187: static v_post posts_rv[] = { eerr_eq0, post_args, NULL };
1.35 kristaps 188: static v_post posts_an[] = { post_an, NULL };
1.37 kristaps 189: static v_post posts_at[] = { post_at, NULL };
1.69 kristaps 190: static v_post posts_xr[] = { eerr_ge1, eerr_le2, NULL };
1.78 kristaps 191: static v_post posts_lk[] = { eerr_ge1, NULL };
1.37 kristaps 192: static v_post posts_nm[] = { post_nm, NULL };
1.59 kristaps 193: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
1.45 kristaps 194: static v_post posts_rs[] = { herr_eq0, bwarn_ge1, NULL };
1.58 kristaps 195: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
1.45 kristaps 196: static v_post posts_bk[] = { herr_eq0, bwarn_ge1, NULL };
1.69 kristaps 197: static v_post posts_fd[] = { ewarn_ge1, NULL };
1.9 kristaps 198:
199: const struct valids mdoc_valids[MDOC_MAX] = {
1.51 kristaps 200: { NULL, NULL }, /* \" */
1.69 kristaps 201: { pres_dd, posts_text }, /* Dd */
202: { pres_dt, NULL }, /* Dt */
203: { pres_os, NULL }, /* Os */
1.51 kristaps 204: { pres_sh, posts_sh }, /* Sh */
205: { pres_ss, posts_ss }, /* Ss */
206: { NULL, posts_pp }, /* Pp */
207: { pres_d1, posts_wline }, /* D1 */
208: { pres_d1, posts_wline }, /* Dl */
209: { pres_bd, posts_bd }, /* Bd */
210: { NULL, NULL }, /* Ed */
211: { pres_bl, posts_bl }, /* Bl */
212: { NULL, NULL }, /* El */
213: { pres_it, posts_it }, /* It */
214: { NULL, posts_text }, /* Ad */
215: { pres_an, posts_an }, /* An */
216: { NULL, NULL }, /* Ar */
217: { pres_cd, posts_text }, /* Cd */
218: { NULL, NULL }, /* Cm */
219: { NULL, posts_text }, /* Dv */
220: { pres_er, posts_text }, /* Er */
221: { NULL, posts_text }, /* Ev */
222: { pres_ex, posts_ex }, /* Ex */
223: { NULL, posts_text }, /* Fa */
1.69 kristaps 224: { pres_fd, posts_fd }, /* Fd */
1.51 kristaps 225: { NULL, NULL }, /* Fl */
226: { NULL, posts_text }, /* Fn */
227: { NULL, posts_wtext }, /* Ft */
228: { NULL, posts_text }, /* Ic */
229: { NULL, posts_in }, /* In */
230: { NULL, posts_text }, /* Li */
231: { NULL, posts_wtext }, /* Nd */
232: { NULL, posts_nm }, /* Nm */
233: { NULL, posts_wline }, /* Op */
234: { NULL, NULL }, /* Ot */
235: { NULL, NULL }, /* Pa */
1.82 ! kristaps 236: { pres_rv, posts_rv }, /* Rv */
1.69 kristaps 237: { NULL, posts_st }, /* St */
1.51 kristaps 238: { NULL, posts_text }, /* Va */
239: { NULL, posts_text }, /* Vt */
240: { NULL, posts_xr }, /* Xr */
241: { NULL, posts_text }, /* %A */
242: { NULL, posts_text }, /* %B */
243: { NULL, posts_text }, /* %D */
244: { NULL, posts_text }, /* %I */
245: { NULL, posts_text }, /* %J */
246: { NULL, posts_text }, /* %N */
247: { NULL, posts_text }, /* %O */
248: { NULL, posts_text }, /* %P */
249: { NULL, posts_text }, /* %R */
250: { NULL, posts_text }, /* %T */
251: { NULL, posts_text }, /* %V */
252: { NULL, NULL }, /* Ac */
253: { NULL, NULL }, /* Ao */
254: { NULL, posts_wline }, /* Aq */
255: { NULL, posts_at }, /* At */
256: { NULL, NULL }, /* Bc */
257: { NULL, posts_bf }, /* Bf */
258: { NULL, NULL }, /* Bo */
259: { NULL, posts_wline }, /* Bq */
260: { NULL, NULL }, /* Bsx */
261: { NULL, NULL }, /* Bx */
262: { NULL, posts_bool }, /* Db */
263: { NULL, NULL }, /* Dc */
264: { NULL, NULL }, /* Do */
265: { NULL, posts_wline }, /* Dq */
266: { NULL, NULL }, /* Ec */
267: { NULL, NULL }, /* Ef */
268: { NULL, posts_text }, /* Em */
269: { NULL, NULL }, /* Eo */
270: { NULL, NULL }, /* Fx */
271: { NULL, posts_text }, /* Ms */
272: { NULL, posts_notext }, /* No */
273: { NULL, posts_notext }, /* Ns */
274: { NULL, NULL }, /* Nx */
275: { NULL, NULL }, /* Ox */
276: { NULL, NULL }, /* Pc */
1.52 kristaps 277: { NULL, posts_pf }, /* Pf */
1.51 kristaps 278: { NULL, NULL }, /* Po */
279: { NULL, posts_wline }, /* Pq */
280: { NULL, NULL }, /* Qc */
281: { NULL, posts_wline }, /* Ql */
282: { NULL, NULL }, /* Qo */
283: { NULL, posts_wline }, /* Qq */
284: { NULL, NULL }, /* Re */
285: { NULL, posts_rs }, /* Rs */
286: { NULL, NULL }, /* Sc */
287: { NULL, NULL }, /* So */
288: { NULL, posts_wline }, /* Sq */
289: { NULL, posts_bool }, /* Sm */
290: { NULL, posts_text }, /* Sx */
291: { NULL, posts_text }, /* Sy */
292: { NULL, posts_text }, /* Tn */
293: { NULL, NULL }, /* Ux */
294: { NULL, NULL }, /* Xc */
295: { NULL, NULL }, /* Xo */
296: { NULL, posts_fo }, /* Fo */
297: { NULL, NULL }, /* Fc */
298: { NULL, NULL }, /* Oo */
299: { NULL, NULL }, /* Oc */
300: { NULL, posts_bk }, /* Bk */
301: { NULL, NULL }, /* Ek */
302: { NULL, posts_notext }, /* Bt */
303: { NULL, NULL }, /* Hf */
304: { NULL, NULL }, /* Fr */
305: { NULL, posts_notext }, /* Ud */
1.69 kristaps 306: { pres_lb, posts_lb }, /* Lb */
1.75 kristaps 307: { NULL, NULL }, /* Lb */
1.76 kristaps 308: { NULL, posts_pp }, /* Pp */
1.78 kristaps 309: { NULL, posts_lk }, /* Lk */
310: { NULL, posts_mt }, /* Mt */
1.79 kristaps 311: { NULL, posts_wline }, /* Brq */
312: { NULL, NULL }, /* Bro */
313: { NULL, NULL }, /* Brc */
1.82 ! kristaps 314: { NULL, posts_text }, /* %C */
1.9 kristaps 315: };
1.6 kristaps 316:
317:
1.57 kristaps 318: int
319: mdoc_valid_pre(struct mdoc *mdoc,
320: const struct mdoc_node *node)
321: {
322: v_pre *p;
1.71 kristaps 323: int line, pos;
1.57 kristaps 324: const char *tp;
325:
326: if (MDOC_TEXT == node->type) {
1.71 kristaps 327: tp = node->string;
1.57 kristaps 328: line = node->line;
329: pos = node->pos;
330: return(check_text(mdoc, line, pos, tp));
331: }
332:
1.71 kristaps 333: if ( ! check_args(mdoc, node))
334: return(0);
1.57 kristaps 335: if (NULL == mdoc_valids[node->tok].pre)
336: return(1);
337: for (p = mdoc_valids[node->tok].pre; *p; p++)
338: if ( ! (*p)(mdoc, node))
339: return(0);
340: return(1);
341: }
342:
343:
344: int
345: mdoc_valid_post(struct mdoc *mdoc)
346: {
347: v_post *p;
348:
349: /*
350: * This check occurs after the macro's children have been filled
351: * in: postfix validation. Since this happens when we're
352: * rewinding the scope tree, it's possible to have multiple
353: * invocations (as by design, for now), we set bit MDOC_VALID to
354: * indicate that we've validated.
355: */
356:
357: if (MDOC_VALID & mdoc->last->flags)
358: return(1);
359: mdoc->last->flags |= MDOC_VALID;
360:
361: if (MDOC_TEXT == mdoc->last->type)
362: return(1);
363: if (MDOC_ROOT == mdoc->last->type)
364: return(post_root(mdoc));
365:
366: if (NULL == mdoc_valids[mdoc->last->tok].post)
367: return(1);
368: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
369: if ( ! (*p)(mdoc))
370: return(0);
371:
372: return(1);
373: }
374:
375:
1.71 kristaps 376: #define merr(m, t) nerr((m), (m)->last, (t))
377: static int
378: nerr(struct mdoc *m, const struct mdoc_node *n, enum merr type)
379: {
380: char *p;
381:
382: p = NULL;
383:
384: switch (type) {
385: case (ENESTDISP):
386: p = "displays may not be nested";
387: break;
388: case (EBOOL):
389: p = "expected boolean value";
390: break;
391: case (EARGREP):
392: p = "argument repeated";
393: break;
394: case (EMULTIDISP):
395: p = "multiple display types specified";
396: break;
397: case (EMULTILIST):
398: p = "multiple list types specified";
399: break;
400: case (ELISTTYPE):
401: p = "missing list type";
402: break;
403: case (EDISPTYPE):
404: p = "missing display type";
405: break;
406: case (ELINE):
407: p = "expected line arguments";
408: break;
409: case (ENOPROLOGUE):
410: p = "document has no prologue";
411: break;
412: case (ENODATA):
413: p = "document has no data";
414: break;
415: case (EATT):
416: p = "expected valid AT&T symbol";
417: break;
418: case (ENAME):
419: p = "default name not yet set";
420: break;
421: }
422:
423: assert(p);
424: return(mdoc_nerr(m, n, p));
425: }
426:
427:
428: #define mwarn(m, t) nwarn((m), (m)->last, (t))
429: static int
430: nwarn(struct mdoc *m, const struct mdoc_node *n, enum mwarn type)
431: {
432: char *p;
433: enum mdoc_warn c;
434:
435: c = WARN_SYNTAX;
436: p = NULL;
437:
438: switch (type) {
439: case (WBADMSEC):
440: p = "inappropriate manual section";
441: c = WARN_COMPAT;
442: break;
443: case (WBADSEC):
444: p = "inappropriate document section";
445: c = WARN_COMPAT;
446: break;
447: case (WARGVAL):
448: p = "argument value suggested";
449: c = WARN_COMPAT;
450: break;
451: case (WPROLREP):
452: p = "prologue macros repeated";
453: c = WARN_COMPAT;
454: break;
455: case (WPROLOOO):
456: p = "prologue macros out-of-order";
457: c = WARN_COMPAT;
458: break;
459: case (WNOLINE):
460: p = "suggested no line arguments";
461: break;
462: case (WLINE):
463: p = "suggested line arguments";
464: break;
465: case (WMULTILINE):
466: p = "suggested multi-line arguments";
467: break;
468: case (WNOMULTILINE):
469: p = "suggested no multi-line arguments";
470: break;
471: case (WWRONGMSEC):
472: p = "document section in wrong manual section";
473: c = WARN_COMPAT;
474: break;
475: case (WSECOOO):
476: p = "document section out of conventional order";
477: break;
478: case (WSECREP):
479: p = "document section repeated";
480: break;
481: case (WBADSTAND):
482: p = "unknown standard";
483: break;
484: case (WNAMESECINC):
485: p = "NAME section contents incomplete/badly-ordered";
486: break;
487: }
488: assert(p);
489: return(mdoc_nwarn(m, n, c, p));
490: }
491:
492:
1.57 kristaps 493:
1.51 kristaps 494: static inline int
495: warn_count(struct mdoc *m, const char *k,
496: int want, const char *v, int has)
497: {
498:
1.55 kristaps 499: return(mdoc_warn(m, WARN_SYNTAX,
1.71 kristaps 500: "suggests %s %s %d (has %d)", v, k, want, has));
1.51 kristaps 501: }
502:
503:
504: static inline int
505: err_count(struct mdoc *m, const char *k,
506: int want, const char *v, int has)
507: {
508:
1.71 kristaps 509: return(mdoc_err(m,
510: "requires %s %s %d (has %d)", v, k, want, has));
1.51 kristaps 511: }
512:
513:
514: static inline int
515: count_child(struct mdoc *mdoc)
1.36 kristaps 516: {
1.51 kristaps 517: int i;
1.36 kristaps 518: struct mdoc_node *n;
519:
520: for (i = 0, n = mdoc->last->child; n; n = n->next, i++)
521: /* Do nothing */ ;
1.53 kristaps 522:
1.36 kristaps 523: return(i);
524: }
525:
526:
1.53 kristaps 527: /*
528: * Build these up with macros because they're basically the same check
529: * for different inequalities. Yes, this could be done with functions,
530: * but this is reasonable for now.
531: */
1.36 kristaps 532:
1.53 kristaps 533: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
534: static int \
535: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
536: { \
537: int i; \
538: if ((i = count_child(mdoc)) ineq sz) \
539: return(1); \
540: return(lvl##_count(mdoc, #ineq, sz, p, i)); \
541: }
542:
543: #define CHECK_BODY_DEFN(name, lvl, func, num) \
544: static int \
1.55 kristaps 545: b##lvl##_##name(POST_ARGS) \
1.53 kristaps 546: { \
547: if (MDOC_BODY != mdoc->last->type) \
548: return(1); \
1.71 kristaps 549: return(func(mdoc, "multi-line arguments", (num))); \
1.53 kristaps 550: }
551:
552: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
553: static int \
1.55 kristaps 554: e##lvl##_##name(POST_ARGS) \
1.53 kristaps 555: { \
556: assert(MDOC_ELEM == mdoc->last->type); \
1.71 kristaps 557: return(func(mdoc, "line arguments", (num))); \
1.53 kristaps 558: }
559:
560: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
561: static int \
1.55 kristaps 562: h##lvl##_##name(POST_ARGS) \
1.53 kristaps 563: { \
564: if (MDOC_HEAD != mdoc->last->type) \
565: return(1); \
1.71 kristaps 566: return(func(mdoc, "line arguments", (num))); \
1.36 kristaps 567: }
568:
569:
1.53 kristaps 570: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
571: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
572: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
573: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
574: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
1.59 kristaps 575: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
1.53 kristaps 576: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
577: CHECK_ELEM_DEFN(eq1, warn, warn_child_eq, 1) /* ewarn_eq1() */
578: CHECK_ELEM_DEFN(eq0, warn, warn_child_eq, 0) /* ewarn_eq0() */
579: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
580: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
581: CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */
582: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
583: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
584: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
1.59 kristaps 585: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
1.53 kristaps 586: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
1.58 kristaps 587: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
1.36 kristaps 588:
589:
590: static int
1.55 kristaps 591: check_stdarg(PRE_ARGS)
1.36 kristaps 592: {
593:
1.71 kristaps 594: if (n->args && 1 == n->args->argc)
595: if (MDOC_Std == n->args->argv[0].arg)
596: return(1);
597: return(nwarn(mdoc, n, WARGVAL));
1.36 kristaps 598: }
599:
600:
601: static int
1.69 kristaps 602: check_sec(PRE_ARGS, ...)
603: {
604: enum mdoc_sec sec;
605: va_list ap;
606:
607: va_start(ap, n);
608:
609: for (;;) {
1.71 kristaps 610: /* LINTED */
1.70 kristaps 611: sec = (enum mdoc_sec)va_arg(ap, int);
612: if (SEC_CUSTOM == sec)
1.69 kristaps 613: break;
614: if (sec != mdoc->lastsec)
615: continue;
616: va_end(ap);
617: return(1);
618: }
619:
620: va_end(ap);
1.71 kristaps 621: return(nwarn(mdoc, n, WBADSEC));
1.69 kristaps 622: }
623:
624:
625: static int
626: check_msec(PRE_ARGS, ...)
1.33 kristaps 627: {
1.69 kristaps 628: va_list ap;
629: int msec;
1.33 kristaps 630:
1.69 kristaps 631: va_start(ap, n);
632: for (;;) {
1.71 kristaps 633: /* LINTED */
1.69 kristaps 634: if (0 == (msec = va_arg(ap, int)))
635: break;
636: if (msec != mdoc->meta.msec)
637: continue;
638: va_end(ap);
639: return(1);
640: }
641:
642: va_end(ap);
1.71 kristaps 643: return(nwarn(mdoc, n, WBADMSEC));
1.55 kristaps 644: }
645:
646:
1.68 kristaps 647: static int
1.71 kristaps 648: check_args(struct mdoc *m, const struct mdoc_node *n)
649: {
650: int i;
651:
652: if (NULL == n->args)
653: return(1);
654:
1.73 kristaps 655: assert(n->args->argc);
1.71 kristaps 656: for (i = 0; i < (int)n->args->argc; i++)
657: if ( ! check_argv(m, n, &n->args->argv[i]))
658: return(0);
659:
660: return(1);
661: }
662:
663:
664: static int
665: check_argv(struct mdoc *m, const struct mdoc_node *n,
666: const struct mdoc_argv *v)
1.68 kristaps 667: {
1.71 kristaps 668: int i;
1.68 kristaps 669:
1.71 kristaps 670: for (i = 0; i < (int)v->sz; i++)
671: if ( ! check_text(m, v->line, v->pos, v->value[i]))
672: return(0);
1.68 kristaps 673:
1.82 ! kristaps 674: if (MDOC_Std == v->arg) {
1.71 kristaps 675: /* `Nm' name must be set. */
676: if (v->sz || m->meta.name)
677: return(1);
678: return(nerr(m, n, ENAME));
1.68 kristaps 679: }
680:
681: return(1);
682: }
683:
684:
1.55 kristaps 685: static int
1.63 kristaps 686: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
1.55 kristaps 687: {
688: size_t c;
689:
1.62 kristaps 690: /* XXX - indicate deprecated escapes \*(xx and \*x. */
691:
1.55 kristaps 692: for ( ; *p; p++) {
1.68 kristaps 693: if ( ! isprint((u_char)*p) && '\t' != *p)
1.56 kristaps 694: return(mdoc_perr(mdoc, line, pos,
1.71 kristaps 695: "invalid non-printing character"));
1.55 kristaps 696: if ('\\' != *p)
697: continue;
698: if ((c = mdoc_isescape(p))) {
1.63 kristaps 699: p += (int)c - 1;
1.55 kristaps 700: continue;
701: }
1.74 kristaps 702: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
703: return(mdoc_perr(mdoc, line, pos,
704: "invalid escape sequence"));
705: if ( ! mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX,
706: "invalid escape sequence"))
707: return(0);
1.55 kristaps 708: }
709:
710: return(1);
1.14 kristaps 711: }
712:
713:
1.55 kristaps 714:
715:
1.14 kristaps 716: static int
1.55 kristaps 717: check_parent(PRE_ARGS, int tok, enum mdoc_type t)
1.54 kristaps 718: {
719:
720: assert(n->parent);
721: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
722: (t == n->parent->type))
723: return(1);
724:
725: return(mdoc_nerr(mdoc, n, "require parent %s",
726: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
727: }
728:
729:
730:
731: static int
1.55 kristaps 732: pre_display(PRE_ARGS)
1.23 kristaps 733: {
1.55 kristaps 734: struct mdoc_node *node;
1.23 kristaps 735:
1.53 kristaps 736: /* Display elements (`Bd', `D1'...) cannot be nested. */
737:
1.55 kristaps 738: if (MDOC_BLOCK != n->type)
1.24 kristaps 739: return(1);
740:
1.38 kristaps 741: /* LINTED */
1.55 kristaps 742: for (node = mdoc->last->parent; node; node = node->parent)
743: if (MDOC_BLOCK == node->type)
744: if (MDOC_Bd == node->tok)
1.23 kristaps 745: break;
1.55 kristaps 746: if (NULL == node)
1.23 kristaps 747: return(1);
1.53 kristaps 748:
1.71 kristaps 749: return(nerr(mdoc, n, ENESTDISP));
1.23 kristaps 750: }
751:
752:
753: static int
1.55 kristaps 754: pre_bl(PRE_ARGS)
1.24 kristaps 755: {
1.71 kristaps 756: int i, type, width, offset;
1.24 kristaps 757:
1.55 kristaps 758: if (MDOC_BLOCK != n->type)
1.24 kristaps 759: return(1);
1.71 kristaps 760: if (NULL == n->args)
761: return(nerr(mdoc, n, ELISTTYPE));
1.24 kristaps 762:
1.53 kristaps 763: /* Make sure that only one type of list is specified. */
764:
1.61 kristaps 765: type = offset = width = -1;
766:
1.38 kristaps 767: /* LINTED */
1.71 kristaps 768: for (i = 0; i < (int)n->args->argc; i++)
769: switch (n->args->argv[i].arg) {
1.24 kristaps 770: case (MDOC_Bullet):
771: /* FALLTHROUGH */
772: case (MDOC_Dash):
773: /* FALLTHROUGH */
774: case (MDOC_Enum):
775: /* FALLTHROUGH */
776: case (MDOC_Hyphen):
777: /* FALLTHROUGH */
778: case (MDOC_Item):
779: /* FALLTHROUGH */
780: case (MDOC_Tag):
781: /* FALLTHROUGH */
782: case (MDOC_Diag):
783: /* FALLTHROUGH */
784: case (MDOC_Hang):
785: /* FALLTHROUGH */
786: case (MDOC_Ohang):
787: /* FALLTHROUGH */
788: case (MDOC_Inset):
1.26 kristaps 789: /* FALLTHROUGH */
790: case (MDOC_Column):
1.61 kristaps 791: if (-1 == type) {
1.71 kristaps 792: type = n->args->argv[i].arg;
1.53 kristaps 793: break;
1.61 kristaps 794: }
1.71 kristaps 795: return(nerr(mdoc, n, EMULTILIST));
1.61 kristaps 796: case (MDOC_Width):
797: if (-1 == width) {
1.71 kristaps 798: width = n->args->argv[i].arg;
1.61 kristaps 799: break;
800: }
1.71 kristaps 801: return(nerr(mdoc, n, EARGREP));
1.61 kristaps 802: case (MDOC_Offset):
803: if (-1 == offset) {
1.71 kristaps 804: offset = n->args->argv[i].arg;
1.61 kristaps 805: break;
806: }
1.71 kristaps 807: return(nerr(mdoc, n, EARGREP));
1.24 kristaps 808: default:
809: break;
810: }
1.53 kristaps 811:
1.61 kristaps 812: if (-1 == type)
1.71 kristaps 813: return(nerr(mdoc, n, ELISTTYPE));
1.61 kristaps 814:
815: switch (type) {
816: case (MDOC_Column):
817: /* FALLTHROUGH */
818: case (MDOC_Diag):
819: /* FALLTHROUGH */
820: case (MDOC_Inset):
821: /* FALLTHROUGH */
822: case (MDOC_Item):
823: if (-1 == width)
824: break;
825: return(mdoc_nwarn(mdoc, n, WARN_SYNTAX,
1.71 kristaps 826: "superfluous %s argument",
1.61 kristaps 827: mdoc_argnames[MDOC_Width]));
828: case (MDOC_Tag):
1.71 kristaps 829: if (-1 != width)
830: break;
831: return(mdoc_nerr(mdoc, n, "missing %s argument",
832: mdoc_argnames[MDOC_Width]));
1.61 kristaps 833: default:
834: break;
835: }
836:
837: return(1);
1.24 kristaps 838: }
839:
840:
841: static int
1.55 kristaps 842: pre_bd(PRE_ARGS)
1.24 kristaps 843: {
1.71 kristaps 844: int i, type, err;
1.24 kristaps 845:
1.55 kristaps 846: if (MDOC_BLOCK != n->type)
1.24 kristaps 847: return(1);
1.71 kristaps 848: if (NULL == n->args)
849: return(nerr(mdoc, n, EDISPTYPE));
1.24 kristaps 850:
1.53 kristaps 851: /* Make sure that only one type of display is specified. */
852:
1.38 kristaps 853: /* LINTED */
1.71 kristaps 854: for (i = 0, err = type = 0; ! err &&
855: i < (int)n->args->argc; i++)
856: switch (n->args->argv[i].arg) {
1.24 kristaps 857: case (MDOC_Ragged):
858: /* FALLTHROUGH */
859: case (MDOC_Unfilled):
860: /* FALLTHROUGH */
1.29 kristaps 861: case (MDOC_Filled):
862: /* FALLTHROUGH */
1.24 kristaps 863: case (MDOC_Literal):
864: /* FALLTHROUGH */
865: case (MDOC_File):
1.53 kristaps 866: if (0 == type++)
867: break;
1.71 kristaps 868: return(nerr(mdoc, n, EMULTIDISP));
1.24 kristaps 869: default:
870: break;
871: }
1.53 kristaps 872:
873: if (type)
874: return(1);
1.71 kristaps 875: return(nerr(mdoc, n, EDISPTYPE));
1.24 kristaps 876: }
877:
878:
879: static int
1.55 kristaps 880: pre_ss(PRE_ARGS)
1.33 kristaps 881: {
882:
1.55 kristaps 883: if (MDOC_BLOCK != n->type)
1.33 kristaps 884: return(1);
1.55 kristaps 885: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
1.33 kristaps 886: }
887:
888:
889: static int
1.55 kristaps 890: pre_sh(PRE_ARGS)
1.33 kristaps 891: {
892:
1.55 kristaps 893: if (MDOC_BLOCK != n->type)
1.33 kristaps 894: return(1);
1.55 kristaps 895: return(check_parent(mdoc, n, -1, MDOC_ROOT));
1.33 kristaps 896: }
897:
898:
899: static int
1.55 kristaps 900: pre_it(PRE_ARGS)
1.53 kristaps 901: {
902:
1.55 kristaps 903: if (MDOC_BLOCK != n->type)
1.53 kristaps 904: return(1);
1.55 kristaps 905: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
1.53 kristaps 906: }
907:
908:
909: static int
1.69 kristaps 910: pre_an(PRE_ARGS)
1.36 kristaps 911: {
912:
1.73 kristaps 913: if (NULL == n->args || 1 == n->args->argc)
1.36 kristaps 914: return(1);
1.71 kristaps 915: return(mdoc_nerr(mdoc, n, "only one argument allowed"));
1.36 kristaps 916: }
917:
918:
919: static int
1.69 kristaps 920: pre_lb(PRE_ARGS)
1.35 kristaps 921: {
1.36 kristaps 922:
1.69 kristaps 923: return(check_sec(mdoc, n, SEC_LIBRARY, SEC_CUSTOM));
1.35 kristaps 924: }
925:
926:
927: static int
1.55 kristaps 928: pre_rv(PRE_ARGS)
1.36 kristaps 929: {
930:
1.69 kristaps 931: if ( ! check_msec(mdoc, n, 2, 3, 0))
1.36 kristaps 932: return(0);
1.55 kristaps 933: return(check_stdarg(mdoc, n));
1.36 kristaps 934: }
935:
936:
937: static int
1.55 kristaps 938: pre_ex(PRE_ARGS)
1.33 kristaps 939: {
1.35 kristaps 940:
1.69 kristaps 941: if ( ! check_msec(mdoc, n, 1, 6, 8, 0))
1.35 kristaps 942: return(0);
1.55 kristaps 943: return(check_stdarg(mdoc, n));
1.33 kristaps 944: }
945:
946:
947: static int
1.55 kristaps 948: pre_er(PRE_ARGS)
1.33 kristaps 949: {
950:
1.69 kristaps 951: return(check_msec(mdoc, n, 2, 0));
1.33 kristaps 952: }
953:
954:
955: static int
1.55 kristaps 956: pre_cd(PRE_ARGS)
1.33 kristaps 957: {
958:
1.69 kristaps 959: return(check_msec(mdoc, n, 4, 0));
1.33 kristaps 960: }
961:
962:
963: static int
1.55 kristaps 964: pre_prologue(PRE_ARGS)
1.20 kristaps 965: {
966:
1.69 kristaps 967: return(check_sec(mdoc, n, SEC_PROLOGUE, SEC_CUSTOM));
968: }
1.20 kristaps 969:
970:
1.69 kristaps 971: static int
972: pre_dt(PRE_ARGS)
973: {
974:
975: if (0 == mdoc->meta.date || mdoc->meta.os)
1.71 kristaps 976: if ( ! nwarn(mdoc, n, WPROLOOO))
1.69 kristaps 977: return(0);
978: if (mdoc->meta.title)
1.71 kristaps 979: if ( ! nwarn(mdoc, n, WPROLREP))
1.69 kristaps 980: return(0);
981: return(1);
982: }
983:
984:
985: static int
986: pre_os(PRE_ARGS)
987: {
988:
989: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.71 kristaps 990: if ( ! nwarn(mdoc, n, WPROLOOO))
1.69 kristaps 991: return(0);
992: if (mdoc->meta.os)
1.71 kristaps 993: if ( ! nwarn(mdoc, n, WPROLREP))
1.69 kristaps 994: return(0);
995: return(1);
996: }
1.20 kristaps 997:
998:
1.69 kristaps 999: static int
1000: pre_dd(PRE_ARGS)
1001: {
1.20 kristaps 1002:
1.69 kristaps 1003: if (mdoc->meta.title || mdoc->meta.os)
1.71 kristaps 1004: if ( ! nwarn(mdoc, n, WPROLOOO))
1.69 kristaps 1005: return(0);
1006: if (mdoc->meta.date)
1.71 kristaps 1007: if ( ! nwarn(mdoc, n, WPROLREP))
1.69 kristaps 1008: return(0);
1009: return(1);
1.20 kristaps 1010: }
1011:
1012:
1.35 kristaps 1013: static int
1.55 kristaps 1014: post_bf(POST_ARGS)
1.41 kristaps 1015: {
1016: char *p;
1017: struct mdoc_node *head;
1018:
1019: if (MDOC_BLOCK != mdoc->last->type)
1020: return(1);
1.53 kristaps 1021:
1.71 kristaps 1022: head = mdoc->last->head;
1.41 kristaps 1023:
1.71 kristaps 1024: if (NULL == mdoc->last->args) {
1025: if (NULL == head->child ||
1026: MDOC_TEXT != head->child->type)
1027: return(mdoc_err(mdoc, "text argument expected"));
1.53 kristaps 1028:
1.71 kristaps 1029: p = head->child->string;
1.53 kristaps 1030: if (xstrcmp(p, "Em"))
1031: return(1);
1032: else if (xstrcmp(p, "Li"))
1033: return(1);
1034: else if (xstrcmp(p, "Sm"))
1035: return(1);
1036: return(mdoc_nerr(mdoc, head->child, "invalid font"));
1.41 kristaps 1037: }
1.53 kristaps 1038:
1.41 kristaps 1039: if (head->child)
1.71 kristaps 1040: return(mdoc_err(mdoc, "one argument expected"));
1.53 kristaps 1041:
1.71 kristaps 1042: return(1);
1.41 kristaps 1043: }
1044:
1045:
1046: static int
1.55 kristaps 1047: post_nm(POST_ARGS)
1.37 kristaps 1048: {
1049:
1050: if (mdoc->last->child)
1051: return(1);
1052: if (mdoc->meta.name)
1053: return(1);
1.71 kristaps 1054: return(merr(mdoc, ENAME));
1.37 kristaps 1055: }
1056:
1057:
1058: static int
1.55 kristaps 1059: post_at(POST_ARGS)
1.36 kristaps 1060: {
1061:
1.37 kristaps 1062: if (NULL == mdoc->last->child)
1063: return(1);
1.71 kristaps 1064: if (MDOC_TEXT != mdoc->last->child->type)
1065: return(merr(mdoc, EATT));
1066: if (mdoc_a2att(mdoc->last->child->string))
1.36 kristaps 1067: return(1);
1.71 kristaps 1068: return(merr(mdoc, EATT));
1.36 kristaps 1069: }
1070:
1071:
1072: static int
1.55 kristaps 1073: post_an(POST_ARGS)
1.35 kristaps 1074: {
1075:
1.71 kristaps 1076: if (mdoc->last->args) {
1.35 kristaps 1077: if (NULL == mdoc->last->child)
1078: return(1);
1.71 kristaps 1079: return(merr(mdoc, ELINE));
1.35 kristaps 1080: }
1081:
1082: if (mdoc->last->child)
1083: return(1);
1.71 kristaps 1084: return(merr(mdoc, ELINE));
1.35 kristaps 1085: }
1086:
1087:
1088: static int
1.82 ! kristaps 1089: post_args(POST_ARGS)
1.35 kristaps 1090: {
1091:
1.71 kristaps 1092: if (mdoc->last->args)
1093: return(1);
1094: return(merr(mdoc, ELINE));
1.35 kristaps 1095: }
1096:
1097:
1.25 kristaps 1098: static int
1.55 kristaps 1099: post_it(POST_ARGS)
1.25 kristaps 1100: {
1.71 kristaps 1101: int type, i, cols;
1102: struct mdoc_node *n, *c;
1.25 kristaps 1103:
1104: if (MDOC_BLOCK != mdoc->last->type)
1105: return(1);
1106:
1.53 kristaps 1107: n = mdoc->last->parent->parent;
1.71 kristaps 1108: if (NULL == n->args)
1109: return(merr(mdoc, ELISTTYPE));
1.25 kristaps 1110:
1.26 kristaps 1111: /* Some types require block-head, some not. */
1.25 kristaps 1112:
1.38 kristaps 1113: /* LINTED */
1.71 kristaps 1114: for (cols = type = -1, i = 0; -1 == type &&
1115: i < (int)n->args->argc; i++)
1116: switch (n->args->argv[i].arg) {
1.25 kristaps 1117: case (MDOC_Tag):
1118: /* FALLTHROUGH */
1119: case (MDOC_Diag):
1120: /* FALLTHROUGH */
1121: case (MDOC_Hang):
1122: /* FALLTHROUGH */
1123: case (MDOC_Ohang):
1124: /* FALLTHROUGH */
1125: case (MDOC_Inset):
1.71 kristaps 1126: /* FALLTHROUGH */
1.25 kristaps 1127: case (MDOC_Bullet):
1128: /* FALLTHROUGH */
1129: case (MDOC_Dash):
1130: /* FALLTHROUGH */
1131: case (MDOC_Enum):
1132: /* FALLTHROUGH */
1133: case (MDOC_Hyphen):
1134: /* FALLTHROUGH */
1135: case (MDOC_Item):
1.71 kristaps 1136: type = n->args->argv[i].arg;
1.47 kristaps 1137: break;
1.25 kristaps 1138: case (MDOC_Column):
1.71 kristaps 1139: type = n->args->argv[i].arg;
1140: cols = (int)n->args->argv[i].sz;
1.25 kristaps 1141: break;
1142: default:
1143: break;
1144: }
1145:
1.71 kristaps 1146: if (-1 == type)
1147: return(merr(mdoc, ELISTTYPE));
1.25 kristaps 1148:
1.71 kristaps 1149: switch (type) {
1150: case (MDOC_Tag):
1151: if (NULL == mdoc->last->head->child)
1152: if ( ! mwarn(mdoc, WLINE))
1153: return(0);
1154: break;
1155: case (MDOC_Hang):
1156: /* FALLTHROUGH */
1157: case (MDOC_Ohang):
1158: /* FALLTHROUGH */
1159: case (MDOC_Inset):
1160: /* FALLTHROUGH */
1161: case (MDOC_Diag):
1162: if (NULL == mdoc->last->head->child)
1163: if ( ! mwarn(mdoc, WLINE))
1.25 kristaps 1164: return(0);
1.71 kristaps 1165: if (NULL == mdoc->last->body->child)
1166: if ( ! mwarn(mdoc, WMULTILINE))
1.25 kristaps 1167: return(0);
1.71 kristaps 1168: break;
1169: case (MDOC_Bullet):
1170: /* FALLTHROUGH */
1171: case (MDOC_Dash):
1172: /* FALLTHROUGH */
1173: case (MDOC_Enum):
1174: /* FALLTHROUGH */
1175: case (MDOC_Hyphen):
1176: /* FALLTHROUGH */
1177: case (MDOC_Item):
1178: if (mdoc->last->head->child)
1179: if ( ! mwarn(mdoc, WNOLINE))
1.47 kristaps 1180: return(0);
1.71 kristaps 1181: if (NULL == mdoc->last->body->child)
1182: if ( ! mwarn(mdoc, WMULTILINE))
1.47 kristaps 1183: return(0);
1.71 kristaps 1184: break;
1185: case (MDOC_Column):
1186: if (NULL == mdoc->last->head->child)
1187: if ( ! mwarn(mdoc, WLINE))
1.47 kristaps 1188: return(0);
1.71 kristaps 1189: if (mdoc->last->body->child)
1190: if ( ! mwarn(mdoc, WNOMULTILINE))
1.47 kristaps 1191: return(0);
1.81 kristaps 1192: c = mdoc->last->child;
1.80 kristaps 1193: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
1.71 kristaps 1194: i++;
1195: if (i == cols)
1196: break;
1.81 kristaps 1197: return(mdoc_err(mdoc, "column mismatch (have "
1198: "%d, want %d)", i, cols));
1.71 kristaps 1199: default:
1200: break;
1.25 kristaps 1201: }
1202:
1.71 kristaps 1203: return(1);
1.25 kristaps 1204: }
1205:
1206:
1.24 kristaps 1207: static int
1.55 kristaps 1208: post_bl(POST_ARGS)
1.24 kristaps 1209: {
1.53 kristaps 1210: struct mdoc_node *n;
1.24 kristaps 1211:
1212: if (MDOC_BODY != mdoc->last->type)
1213: return(1);
1.71 kristaps 1214: if (NULL == mdoc->last->child)
1.64 kristaps 1215: return(1);
1216:
1.38 kristaps 1217: /* LINTED */
1.24 kristaps 1218: for (n = mdoc->last->child; n; n = n->next) {
1219: if (MDOC_BLOCK == n->type)
1.25 kristaps 1220: if (MDOC_It == n->tok)
1.24 kristaps 1221: continue;
1.64 kristaps 1222: return(mdoc_nerr(mdoc, n, "bad child of parent %s",
1223: mdoc_macronames[mdoc->last->tok]));
1.24 kristaps 1224: }
1.53 kristaps 1225:
1.64 kristaps 1226: return(1);
1.24 kristaps 1227: }
1228:
1229:
1.34 kristaps 1230: static int
1.37 kristaps 1231: ebool(struct mdoc *mdoc)
1.34 kristaps 1232: {
1233: struct mdoc_node *n;
1234:
1.38 kristaps 1235: /* LINTED */
1.34 kristaps 1236: for (n = mdoc->last->child; n; n = n->next) {
1237: if (MDOC_TEXT != n->type)
1238: break;
1.71 kristaps 1239: if (xstrcmp(n->string, "on"))
1.34 kristaps 1240: continue;
1.71 kristaps 1241: if (xstrcmp(n->string, "off"))
1.34 kristaps 1242: continue;
1243: break;
1244: }
1.53 kristaps 1245:
1.34 kristaps 1246: if (NULL == n)
1247: return(1);
1.71 kristaps 1248: return(nerr(mdoc, n, EBOOL));
1.37 kristaps 1249: }
1250:
1251:
1252: static int
1.55 kristaps 1253: post_root(POST_ARGS)
1.37 kristaps 1254: {
1255:
1.46 kristaps 1256: if (NULL == mdoc->first->child)
1.71 kristaps 1257: return(merr(mdoc, ENODATA));
1.46 kristaps 1258: if (SEC_PROLOGUE == mdoc->lastnamed)
1.71 kristaps 1259: return(merr(mdoc, ENOPROLOGUE));
1.53 kristaps 1260:
1.46 kristaps 1261: if (MDOC_BLOCK != mdoc->first->child->type)
1.71 kristaps 1262: return(merr(mdoc, ENODATA));
1.46 kristaps 1263: if (MDOC_Sh != mdoc->first->child->tok)
1.71 kristaps 1264: return(merr(mdoc, ENODATA));
1.53 kristaps 1265:
1.37 kristaps 1266: return(1);
1.34 kristaps 1267: }
1268:
1269:
1.20 kristaps 1270: static int
1.69 kristaps 1271: post_st(POST_ARGS)
1272: {
1273:
1.71 kristaps 1274: if (mdoc_a2st(mdoc->last->child->string))
1.69 kristaps 1275: return(1);
1.71 kristaps 1276: return(mwarn(mdoc, WBADSTAND));
1.69 kristaps 1277: }
1278:
1279:
1280: static int
1.55 kristaps 1281: post_sh(POST_ARGS)
1.14 kristaps 1282: {
1.46 kristaps 1283:
1284: if (MDOC_HEAD == mdoc->last->type)
1285: return(post_sh_head(mdoc));
1286: if (MDOC_BODY == mdoc->last->type)
1287: return(post_sh_body(mdoc));
1.53 kristaps 1288:
1.46 kristaps 1289: return(1);
1290: }
1291:
1292:
1293: static int
1.55 kristaps 1294: post_sh_body(POST_ARGS)
1.46 kristaps 1295: {
1296: struct mdoc_node *n;
1297:
1298: if (SEC_NAME != mdoc->lastnamed)
1299: return(1);
1300:
1.51 kristaps 1301: /*
1302: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1303: * macros (can have multiple `Nm' and one `Nd'). Note that the
1304: * children of the BODY declaration can also be "text".
1305: */
1306:
1.46 kristaps 1307: if (NULL == (n = mdoc->last->child))
1.71 kristaps 1308: return(mwarn(mdoc, WNAMESECINC));
1.51 kristaps 1309:
1310: for ( ; n && n->next; n = n->next) {
1311: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1312: continue;
1313: if (MDOC_TEXT == n->type)
1314: continue;
1.71 kristaps 1315: if ( ! mwarn(mdoc, WNAMESECINC))
1.51 kristaps 1316: return(0);
1317: }
1318:
1319: if (MDOC_ELEM == n->type && MDOC_Nd == n->tok)
1.46 kristaps 1320: return(1);
1.71 kristaps 1321: return(mwarn(mdoc, WNAMESECINC));
1.46 kristaps 1322: }
1323:
1324:
1325: static int
1.55 kristaps 1326: post_sh_head(POST_ARGS)
1.46 kristaps 1327: {
1.36 kristaps 1328: char buf[64];
1.21 kristaps 1329: enum mdoc_sec sec;
1330:
1.69 kristaps 1331: /*
1332: * Process a new section. Sections are either "named" or
1333: * "custom"; custom sections are user-defined, while named ones
1334: * usually follow a conventional order and may only appear in
1335: * certain manual sections.
1336: */
1337:
1.25 kristaps 1338: assert(MDOC_Sh == mdoc->last->tok);
1.21 kristaps 1339:
1.69 kristaps 1340: (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
1.14 kristaps 1341:
1.46 kristaps 1342: sec = mdoc_atosec(buf);
1343:
1.69 kristaps 1344: /* The NAME section should always be first. */
1345:
1.46 kristaps 1346: if (SEC_BODY == mdoc->lastnamed && SEC_NAME != sec)
1.71 kristaps 1347: return(mwarn(mdoc, WSECOOO));
1.46 kristaps 1348: if (SEC_CUSTOM == sec)
1.21 kristaps 1349: return(1);
1.69 kristaps 1350:
1351: /* Check for repeated or out-of-order sections. */
1352:
1.46 kristaps 1353: if (sec == mdoc->lastnamed)
1.71 kristaps 1354: return(mwarn(mdoc, WSECREP));
1.46 kristaps 1355: if (sec < mdoc->lastnamed)
1.71 kristaps 1356: return(mwarn(mdoc, WSECOOO));
1.69 kristaps 1357:
1358: /* Check particular section/manual section conventions. */
1359:
1360: switch (sec) {
1361: case (SEC_LIBRARY):
1362: switch (mdoc->meta.msec) {
1363: case (2):
1364: /* FALLTHROUGH */
1365: case (3):
1366: break;
1367: default:
1.71 kristaps 1368: return(mwarn(mdoc, WWRONGMSEC));
1.69 kristaps 1369: }
1370: break;
1371: default:
1372: break;
1373: }
1.46 kristaps 1374:
1375: return(1);
1.11 kristaps 1376: }
1377:
1378:
1.57 kristaps 1379: static int
1.69 kristaps 1380: pre_fd(PRE_ARGS)
1.11 kristaps 1381: {
1.39 kristaps 1382:
1.69 kristaps 1383: return(check_sec(mdoc, n, SEC_SYNOPSIS, SEC_CUSTOM));
1.11 kristaps 1384: }
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