Annotation of mandoc/validate.c, Revision 1.78
1.78 ! kristaps 1: /* $Id: validate.c,v 1.77 2009/03/09 13:17:50 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);
142: static int post_at(POST_ARGS);
143: static int post_bf(POST_ARGS);
1.55 kristaps 144: static int post_bl(POST_ARGS);
1.69 kristaps 145: static int post_ex(POST_ARGS);
1.55 kristaps 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 };
1.71 kristaps 186: static v_post posts_ex[] = { eerr_eq0, post_ex, NULL };
1.35 kristaps 187: static v_post posts_an[] = { post_an, NULL };
1.37 kristaps 188: static v_post posts_at[] = { post_at, NULL };
1.69 kristaps 189: static v_post posts_xr[] = { eerr_ge1, eerr_le2, NULL };
1.78 ! kristaps 190: static v_post posts_lk[] = { eerr_ge1, NULL };
1.37 kristaps 191: static v_post posts_nm[] = { post_nm, NULL };
1.59 kristaps 192: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
1.45 kristaps 193: static v_post posts_rs[] = { herr_eq0, bwarn_ge1, NULL };
1.58 kristaps 194: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
1.45 kristaps 195: static v_post posts_bk[] = { herr_eq0, bwarn_ge1, NULL };
1.69 kristaps 196: static v_post posts_fd[] = { ewarn_ge1, NULL };
1.9 kristaps 197:
198: const struct valids mdoc_valids[MDOC_MAX] = {
1.51 kristaps 199: { NULL, NULL }, /* \" */
1.69 kristaps 200: { pres_dd, posts_text }, /* Dd */
201: { pres_dt, NULL }, /* Dt */
202: { pres_os, NULL }, /* Os */
1.51 kristaps 203: { pres_sh, posts_sh }, /* Sh */
204: { pres_ss, posts_ss }, /* Ss */
205: { NULL, posts_pp }, /* Pp */
206: { pres_d1, posts_wline }, /* D1 */
207: { pres_d1, posts_wline }, /* Dl */
208: { pres_bd, posts_bd }, /* Bd */
209: { NULL, NULL }, /* Ed */
210: { pres_bl, posts_bl }, /* Bl */
211: { NULL, NULL }, /* El */
212: { pres_it, posts_it }, /* It */
213: { NULL, posts_text }, /* Ad */
214: { pres_an, posts_an }, /* An */
215: { NULL, NULL }, /* Ar */
216: { pres_cd, posts_text }, /* Cd */
217: { NULL, NULL }, /* Cm */
218: { NULL, posts_text }, /* Dv */
219: { pres_er, posts_text }, /* Er */
220: { NULL, posts_text }, /* Ev */
221: { pres_ex, posts_ex }, /* Ex */
222: { NULL, posts_text }, /* Fa */
1.69 kristaps 223: { pres_fd, posts_fd }, /* Fd */
1.51 kristaps 224: { NULL, NULL }, /* Fl */
225: { NULL, posts_text }, /* Fn */
226: { NULL, posts_wtext }, /* Ft */
227: { NULL, posts_text }, /* Ic */
228: { NULL, posts_in }, /* In */
229: { NULL, posts_text }, /* Li */
230: { NULL, posts_wtext }, /* Nd */
231: { NULL, posts_nm }, /* Nm */
232: { NULL, posts_wline }, /* Op */
233: { NULL, NULL }, /* Ot */
234: { NULL, NULL }, /* Pa */
235: { pres_rv, posts_notext }, /* Rv */
1.69 kristaps 236: { NULL, posts_st }, /* St */
1.51 kristaps 237: { NULL, posts_text }, /* Va */
238: { NULL, posts_text }, /* Vt */
239: { NULL, posts_xr }, /* Xr */
240: { NULL, posts_text }, /* %A */
241: { NULL, posts_text }, /* %B */
242: { NULL, posts_text }, /* %D */
243: { NULL, posts_text }, /* %I */
244: { NULL, posts_text }, /* %J */
245: { NULL, posts_text }, /* %N */
246: { NULL, posts_text }, /* %O */
247: { NULL, posts_text }, /* %P */
248: { NULL, posts_text }, /* %R */
249: { NULL, posts_text }, /* %T */
250: { NULL, posts_text }, /* %V */
251: { NULL, NULL }, /* Ac */
252: { NULL, NULL }, /* Ao */
253: { NULL, posts_wline }, /* Aq */
254: { NULL, posts_at }, /* At */
255: { NULL, NULL }, /* Bc */
256: { NULL, posts_bf }, /* Bf */
257: { NULL, NULL }, /* Bo */
258: { NULL, posts_wline }, /* Bq */
259: { NULL, NULL }, /* Bsx */
260: { NULL, NULL }, /* Bx */
261: { NULL, posts_bool }, /* Db */
262: { NULL, NULL }, /* Dc */
263: { NULL, NULL }, /* Do */
264: { NULL, posts_wline }, /* Dq */
265: { NULL, NULL }, /* Ec */
266: { NULL, NULL }, /* Ef */
267: { NULL, posts_text }, /* Em */
268: { NULL, NULL }, /* Eo */
269: { NULL, NULL }, /* Fx */
270: { NULL, posts_text }, /* Ms */
271: { NULL, posts_notext }, /* No */
272: { NULL, posts_notext }, /* Ns */
273: { NULL, NULL }, /* Nx */
274: { NULL, NULL }, /* Ox */
275: { NULL, NULL }, /* Pc */
1.52 kristaps 276: { NULL, posts_pf }, /* Pf */
1.51 kristaps 277: { NULL, NULL }, /* Po */
278: { NULL, posts_wline }, /* Pq */
279: { NULL, NULL }, /* Qc */
280: { NULL, posts_wline }, /* Ql */
281: { NULL, NULL }, /* Qo */
282: { NULL, posts_wline }, /* Qq */
283: { NULL, NULL }, /* Re */
284: { NULL, posts_rs }, /* Rs */
285: { NULL, NULL }, /* Sc */
286: { NULL, NULL }, /* So */
287: { NULL, posts_wline }, /* Sq */
288: { NULL, posts_bool }, /* Sm */
289: { NULL, posts_text }, /* Sx */
290: { NULL, posts_text }, /* Sy */
291: { NULL, posts_text }, /* Tn */
292: { NULL, NULL }, /* Ux */
293: { NULL, NULL }, /* Xc */
294: { NULL, NULL }, /* Xo */
295: { NULL, posts_fo }, /* Fo */
296: { NULL, NULL }, /* Fc */
297: { NULL, NULL }, /* Oo */
298: { NULL, NULL }, /* Oc */
299: { NULL, posts_bk }, /* Bk */
300: { NULL, NULL }, /* Ek */
301: { NULL, posts_notext }, /* Bt */
302: { NULL, NULL }, /* Hf */
303: { NULL, NULL }, /* Fr */
304: { NULL, posts_notext }, /* Ud */
1.69 kristaps 305: { pres_lb, posts_lb }, /* Lb */
1.75 kristaps 306: { NULL, NULL }, /* Lb */
1.76 kristaps 307: { NULL, posts_pp }, /* Pp */
1.78 ! kristaps 308: { NULL, posts_lk }, /* Lk */
! 309: { NULL, posts_mt }, /* Mt */
1.9 kristaps 310: };
1.6 kristaps 311:
312:
1.57 kristaps 313: int
314: mdoc_valid_pre(struct mdoc *mdoc,
315: const struct mdoc_node *node)
316: {
317: v_pre *p;
1.71 kristaps 318: int line, pos;
1.57 kristaps 319: const char *tp;
320:
321: if (MDOC_TEXT == node->type) {
1.71 kristaps 322: tp = node->string;
1.57 kristaps 323: line = node->line;
324: pos = node->pos;
325: return(check_text(mdoc, line, pos, tp));
326: }
327:
1.71 kristaps 328: if ( ! check_args(mdoc, node))
329: return(0);
1.57 kristaps 330: if (NULL == mdoc_valids[node->tok].pre)
331: return(1);
332: for (p = mdoc_valids[node->tok].pre; *p; p++)
333: if ( ! (*p)(mdoc, node))
334: return(0);
335: return(1);
336: }
337:
338:
339: int
340: mdoc_valid_post(struct mdoc *mdoc)
341: {
342: v_post *p;
343:
344: /*
345: * This check occurs after the macro's children have been filled
346: * in: postfix validation. Since this happens when we're
347: * rewinding the scope tree, it's possible to have multiple
348: * invocations (as by design, for now), we set bit MDOC_VALID to
349: * indicate that we've validated.
350: */
351:
352: if (MDOC_VALID & mdoc->last->flags)
353: return(1);
354: mdoc->last->flags |= MDOC_VALID;
355:
356: if (MDOC_TEXT == mdoc->last->type)
357: return(1);
358: if (MDOC_ROOT == mdoc->last->type)
359: return(post_root(mdoc));
360:
361: if (NULL == mdoc_valids[mdoc->last->tok].post)
362: return(1);
363: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
364: if ( ! (*p)(mdoc))
365: return(0);
366:
367: return(1);
368: }
369:
370:
1.71 kristaps 371: #define merr(m, t) nerr((m), (m)->last, (t))
372: static int
373: nerr(struct mdoc *m, const struct mdoc_node *n, enum merr type)
374: {
375: char *p;
376:
377: p = NULL;
378:
379: switch (type) {
380: case (ENESTDISP):
381: p = "displays may not be nested";
382: break;
383: case (EBOOL):
384: p = "expected boolean value";
385: break;
386: case (EARGREP):
387: p = "argument repeated";
388: break;
389: case (EMULTIDISP):
390: p = "multiple display types specified";
391: break;
392: case (EMULTILIST):
393: p = "multiple list types specified";
394: break;
395: case (ELISTTYPE):
396: p = "missing list type";
397: break;
398: case (EDISPTYPE):
399: p = "missing display type";
400: break;
401: case (ELINE):
402: p = "expected line arguments";
403: break;
404: case (ENOPROLOGUE):
405: p = "document has no prologue";
406: break;
407: case (ENODATA):
408: p = "document has no data";
409: break;
410: case (EATT):
411: p = "expected valid AT&T symbol";
412: break;
413: case (ENAME):
414: p = "default name not yet set";
415: break;
416: }
417:
418: assert(p);
419: return(mdoc_nerr(m, n, p));
420: }
421:
422:
423: #define mwarn(m, t) nwarn((m), (m)->last, (t))
424: static int
425: nwarn(struct mdoc *m, const struct mdoc_node *n, enum mwarn type)
426: {
427: char *p;
428: enum mdoc_warn c;
429:
430: c = WARN_SYNTAX;
431: p = NULL;
432:
433: switch (type) {
434: case (WBADMSEC):
435: p = "inappropriate manual section";
436: c = WARN_COMPAT;
437: break;
438: case (WBADSEC):
439: p = "inappropriate document section";
440: c = WARN_COMPAT;
441: break;
442: case (WARGVAL):
443: p = "argument value suggested";
444: c = WARN_COMPAT;
445: break;
446: case (WPROLREP):
447: p = "prologue macros repeated";
448: c = WARN_COMPAT;
449: break;
450: case (WPROLOOO):
451: p = "prologue macros out-of-order";
452: c = WARN_COMPAT;
453: break;
454: case (WNOLINE):
455: p = "suggested no line arguments";
456: break;
457: case (WLINE):
458: p = "suggested line arguments";
459: break;
460: case (WMULTILINE):
461: p = "suggested multi-line arguments";
462: break;
463: case (WNOMULTILINE):
464: p = "suggested no multi-line arguments";
465: break;
466: case (WWRONGMSEC):
467: p = "document section in wrong manual section";
468: c = WARN_COMPAT;
469: break;
470: case (WSECOOO):
471: p = "document section out of conventional order";
472: break;
473: case (WSECREP):
474: p = "document section repeated";
475: break;
476: case (WBADSTAND):
477: p = "unknown standard";
478: break;
479: case (WNAMESECINC):
480: p = "NAME section contents incomplete/badly-ordered";
481: break;
482: }
483: assert(p);
484: return(mdoc_nwarn(m, n, c, p));
485: }
486:
487:
1.57 kristaps 488:
1.51 kristaps 489: static inline int
490: warn_count(struct mdoc *m, const char *k,
491: int want, const char *v, int has)
492: {
493:
1.55 kristaps 494: return(mdoc_warn(m, WARN_SYNTAX,
1.71 kristaps 495: "suggests %s %s %d (has %d)", v, k, want, has));
1.51 kristaps 496: }
497:
498:
499: static inline int
500: err_count(struct mdoc *m, const char *k,
501: int want, const char *v, int has)
502: {
503:
1.71 kristaps 504: return(mdoc_err(m,
505: "requires %s %s %d (has %d)", v, k, want, has));
1.51 kristaps 506: }
507:
508:
509: static inline int
510: count_child(struct mdoc *mdoc)
1.36 kristaps 511: {
1.51 kristaps 512: int i;
1.36 kristaps 513: struct mdoc_node *n;
514:
515: for (i = 0, n = mdoc->last->child; n; n = n->next, i++)
516: /* Do nothing */ ;
1.53 kristaps 517:
1.36 kristaps 518: return(i);
519: }
520:
521:
1.53 kristaps 522: /*
523: * Build these up with macros because they're basically the same check
524: * for different inequalities. Yes, this could be done with functions,
525: * but this is reasonable for now.
526: */
1.36 kristaps 527:
1.53 kristaps 528: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
529: static int \
530: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
531: { \
532: int i; \
533: if ((i = count_child(mdoc)) ineq sz) \
534: return(1); \
535: return(lvl##_count(mdoc, #ineq, sz, p, i)); \
536: }
537:
538: #define CHECK_BODY_DEFN(name, lvl, func, num) \
539: static int \
1.55 kristaps 540: b##lvl##_##name(POST_ARGS) \
1.53 kristaps 541: { \
542: if (MDOC_BODY != mdoc->last->type) \
543: return(1); \
1.71 kristaps 544: return(func(mdoc, "multi-line arguments", (num))); \
1.53 kristaps 545: }
546:
547: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
548: static int \
1.55 kristaps 549: e##lvl##_##name(POST_ARGS) \
1.53 kristaps 550: { \
551: assert(MDOC_ELEM == mdoc->last->type); \
1.71 kristaps 552: return(func(mdoc, "line arguments", (num))); \
1.53 kristaps 553: }
554:
555: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
556: static int \
1.55 kristaps 557: h##lvl##_##name(POST_ARGS) \
1.53 kristaps 558: { \
559: if (MDOC_HEAD != mdoc->last->type) \
560: return(1); \
1.71 kristaps 561: return(func(mdoc, "line arguments", (num))); \
1.36 kristaps 562: }
563:
564:
1.53 kristaps 565: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
566: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
567: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
568: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
569: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
1.59 kristaps 570: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
1.53 kristaps 571: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
572: CHECK_ELEM_DEFN(eq1, warn, warn_child_eq, 1) /* ewarn_eq1() */
573: CHECK_ELEM_DEFN(eq0, warn, warn_child_eq, 0) /* ewarn_eq0() */
574: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
575: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
576: CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */
577: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
578: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
579: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
1.59 kristaps 580: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
1.53 kristaps 581: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
1.58 kristaps 582: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
1.36 kristaps 583:
584:
585: static int
1.55 kristaps 586: check_stdarg(PRE_ARGS)
1.36 kristaps 587: {
588:
1.71 kristaps 589: if (n->args && 1 == n->args->argc)
590: if (MDOC_Std == n->args->argv[0].arg)
591: return(1);
592: return(nwarn(mdoc, n, WARGVAL));
1.36 kristaps 593: }
594:
595:
596: static int
1.69 kristaps 597: check_sec(PRE_ARGS, ...)
598: {
599: enum mdoc_sec sec;
600: va_list ap;
601:
602: va_start(ap, n);
603:
604: for (;;) {
1.71 kristaps 605: /* LINTED */
1.70 kristaps 606: sec = (enum mdoc_sec)va_arg(ap, int);
607: if (SEC_CUSTOM == sec)
1.69 kristaps 608: break;
609: if (sec != mdoc->lastsec)
610: continue;
611: va_end(ap);
612: return(1);
613: }
614:
615: va_end(ap);
1.71 kristaps 616: return(nwarn(mdoc, n, WBADSEC));
1.69 kristaps 617: }
618:
619:
620: static int
621: check_msec(PRE_ARGS, ...)
1.33 kristaps 622: {
1.69 kristaps 623: va_list ap;
624: int msec;
1.33 kristaps 625:
1.69 kristaps 626: va_start(ap, n);
627: for (;;) {
1.71 kristaps 628: /* LINTED */
1.69 kristaps 629: if (0 == (msec = va_arg(ap, int)))
630: break;
631: if (msec != mdoc->meta.msec)
632: continue;
633: va_end(ap);
634: return(1);
635: }
636:
637: va_end(ap);
1.71 kristaps 638: return(nwarn(mdoc, n, WBADMSEC));
1.55 kristaps 639: }
640:
641:
1.68 kristaps 642: static int
1.71 kristaps 643: check_args(struct mdoc *m, const struct mdoc_node *n)
644: {
645: int i;
646:
647: if (NULL == n->args)
648: return(1);
649:
1.73 kristaps 650: assert(n->args->argc);
1.71 kristaps 651: for (i = 0; i < (int)n->args->argc; i++)
652: if ( ! check_argv(m, n, &n->args->argv[i]))
653: return(0);
654:
655: return(1);
656: }
657:
658:
659: static int
660: check_argv(struct mdoc *m, const struct mdoc_node *n,
661: const struct mdoc_argv *v)
1.68 kristaps 662: {
1.71 kristaps 663: int i;
1.68 kristaps 664:
1.71 kristaps 665: for (i = 0; i < (int)v->sz; i++)
666: if ( ! check_text(m, v->line, v->pos, v->value[i]))
667: return(0);
1.68 kristaps 668:
1.71 kristaps 669: if (MDOC_Std == v->arg && MDOC_Ex == n->tok) {
670: /* `Nm' name must be set. */
671: if (v->sz || m->meta.name)
672: return(1);
673: return(nerr(m, n, ENAME));
1.68 kristaps 674: }
675:
676: return(1);
677: }
678:
679:
1.55 kristaps 680: static int
1.63 kristaps 681: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
1.55 kristaps 682: {
683: size_t c;
684:
1.62 kristaps 685: /* XXX - indicate deprecated escapes \*(xx and \*x. */
686:
1.55 kristaps 687: for ( ; *p; p++) {
1.68 kristaps 688: if ( ! isprint((u_char)*p) && '\t' != *p)
1.56 kristaps 689: return(mdoc_perr(mdoc, line, pos,
1.71 kristaps 690: "invalid non-printing character"));
1.55 kristaps 691: if ('\\' != *p)
692: continue;
693: if ((c = mdoc_isescape(p))) {
1.63 kristaps 694: p += (int)c - 1;
1.55 kristaps 695: continue;
696: }
1.74 kristaps 697: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
698: return(mdoc_perr(mdoc, line, pos,
699: "invalid escape sequence"));
700: if ( ! mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX,
701: "invalid escape sequence"))
702: return(0);
1.55 kristaps 703: }
704:
705: return(1);
1.14 kristaps 706: }
707:
708:
1.55 kristaps 709:
710:
1.14 kristaps 711: static int
1.55 kristaps 712: check_parent(PRE_ARGS, int tok, enum mdoc_type t)
1.54 kristaps 713: {
714:
715: assert(n->parent);
716: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
717: (t == n->parent->type))
718: return(1);
719:
720: return(mdoc_nerr(mdoc, n, "require parent %s",
721: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
722: }
723:
724:
725:
726: static int
1.55 kristaps 727: pre_display(PRE_ARGS)
1.23 kristaps 728: {
1.55 kristaps 729: struct mdoc_node *node;
1.23 kristaps 730:
1.53 kristaps 731: /* Display elements (`Bd', `D1'...) cannot be nested. */
732:
1.55 kristaps 733: if (MDOC_BLOCK != n->type)
1.24 kristaps 734: return(1);
735:
1.38 kristaps 736: /* LINTED */
1.55 kristaps 737: for (node = mdoc->last->parent; node; node = node->parent)
738: if (MDOC_BLOCK == node->type)
739: if (MDOC_Bd == node->tok)
1.23 kristaps 740: break;
1.55 kristaps 741: if (NULL == node)
1.23 kristaps 742: return(1);
1.53 kristaps 743:
1.71 kristaps 744: return(nerr(mdoc, n, ENESTDISP));
1.23 kristaps 745: }
746:
747:
748: static int
1.55 kristaps 749: pre_bl(PRE_ARGS)
1.24 kristaps 750: {
1.71 kristaps 751: int i, type, width, offset;
1.24 kristaps 752:
1.55 kristaps 753: if (MDOC_BLOCK != n->type)
1.24 kristaps 754: return(1);
1.71 kristaps 755: if (NULL == n->args)
756: return(nerr(mdoc, n, ELISTTYPE));
1.24 kristaps 757:
1.53 kristaps 758: /* Make sure that only one type of list is specified. */
759:
1.61 kristaps 760: type = offset = width = -1;
761:
1.38 kristaps 762: /* LINTED */
1.71 kristaps 763: for (i = 0; i < (int)n->args->argc; i++)
764: switch (n->args->argv[i].arg) {
1.24 kristaps 765: case (MDOC_Bullet):
766: /* FALLTHROUGH */
767: case (MDOC_Dash):
768: /* FALLTHROUGH */
769: case (MDOC_Enum):
770: /* FALLTHROUGH */
771: case (MDOC_Hyphen):
772: /* FALLTHROUGH */
773: case (MDOC_Item):
774: /* FALLTHROUGH */
775: case (MDOC_Tag):
776: /* FALLTHROUGH */
777: case (MDOC_Diag):
778: /* FALLTHROUGH */
779: case (MDOC_Hang):
780: /* FALLTHROUGH */
781: case (MDOC_Ohang):
782: /* FALLTHROUGH */
783: case (MDOC_Inset):
1.26 kristaps 784: /* FALLTHROUGH */
785: case (MDOC_Column):
1.61 kristaps 786: if (-1 == type) {
1.71 kristaps 787: type = n->args->argv[i].arg;
1.53 kristaps 788: break;
1.61 kristaps 789: }
1.71 kristaps 790: return(nerr(mdoc, n, EMULTILIST));
1.61 kristaps 791: case (MDOC_Width):
792: if (-1 == width) {
1.71 kristaps 793: width = n->args->argv[i].arg;
1.61 kristaps 794: break;
795: }
1.71 kristaps 796: return(nerr(mdoc, n, EARGREP));
1.61 kristaps 797: case (MDOC_Offset):
798: if (-1 == offset) {
1.71 kristaps 799: offset = n->args->argv[i].arg;
1.61 kristaps 800: break;
801: }
1.71 kristaps 802: return(nerr(mdoc, n, EARGREP));
1.24 kristaps 803: default:
804: break;
805: }
1.53 kristaps 806:
1.61 kristaps 807: if (-1 == type)
1.71 kristaps 808: return(nerr(mdoc, n, ELISTTYPE));
1.61 kristaps 809:
810: switch (type) {
811: case (MDOC_Column):
812: /* FALLTHROUGH */
813: case (MDOC_Diag):
814: /* FALLTHROUGH */
815: case (MDOC_Inset):
816: /* FALLTHROUGH */
817: case (MDOC_Item):
818: if (-1 == width)
819: break;
820: return(mdoc_nwarn(mdoc, n, WARN_SYNTAX,
1.71 kristaps 821: "superfluous %s argument",
1.61 kristaps 822: mdoc_argnames[MDOC_Width]));
823: case (MDOC_Tag):
1.71 kristaps 824: if (-1 != width)
825: break;
826: return(mdoc_nerr(mdoc, n, "missing %s argument",
827: mdoc_argnames[MDOC_Width]));
1.61 kristaps 828: default:
829: break;
830: }
831:
832: return(1);
1.24 kristaps 833: }
834:
835:
836: static int
1.55 kristaps 837: pre_bd(PRE_ARGS)
1.24 kristaps 838: {
1.71 kristaps 839: int i, type, err;
1.24 kristaps 840:
1.55 kristaps 841: if (MDOC_BLOCK != n->type)
1.24 kristaps 842: return(1);
1.71 kristaps 843: if (NULL == n->args)
844: return(nerr(mdoc, n, EDISPTYPE));
1.24 kristaps 845:
1.53 kristaps 846: /* Make sure that only one type of display is specified. */
847:
1.38 kristaps 848: /* LINTED */
1.71 kristaps 849: for (i = 0, err = type = 0; ! err &&
850: i < (int)n->args->argc; i++)
851: switch (n->args->argv[i].arg) {
1.24 kristaps 852: case (MDOC_Ragged):
853: /* FALLTHROUGH */
854: case (MDOC_Unfilled):
855: /* FALLTHROUGH */
1.29 kristaps 856: case (MDOC_Filled):
857: /* FALLTHROUGH */
1.24 kristaps 858: case (MDOC_Literal):
859: /* FALLTHROUGH */
860: case (MDOC_File):
1.53 kristaps 861: if (0 == type++)
862: break;
1.71 kristaps 863: return(nerr(mdoc, n, EMULTIDISP));
1.24 kristaps 864: default:
865: break;
866: }
1.53 kristaps 867:
868: if (type)
869: return(1);
1.71 kristaps 870: return(nerr(mdoc, n, EDISPTYPE));
1.24 kristaps 871: }
872:
873:
874: static int
1.55 kristaps 875: pre_ss(PRE_ARGS)
1.33 kristaps 876: {
877:
1.55 kristaps 878: if (MDOC_BLOCK != n->type)
1.33 kristaps 879: return(1);
1.55 kristaps 880: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
1.33 kristaps 881: }
882:
883:
884: static int
1.55 kristaps 885: pre_sh(PRE_ARGS)
1.33 kristaps 886: {
887:
1.55 kristaps 888: if (MDOC_BLOCK != n->type)
1.33 kristaps 889: return(1);
1.55 kristaps 890: return(check_parent(mdoc, n, -1, MDOC_ROOT));
1.33 kristaps 891: }
892:
893:
894: static int
1.55 kristaps 895: pre_it(PRE_ARGS)
1.53 kristaps 896: {
897:
1.55 kristaps 898: if (MDOC_BLOCK != n->type)
1.53 kristaps 899: return(1);
1.55 kristaps 900: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
1.53 kristaps 901: }
902:
903:
904: static int
1.69 kristaps 905: pre_an(PRE_ARGS)
1.36 kristaps 906: {
907:
1.73 kristaps 908: if (NULL == n->args || 1 == n->args->argc)
1.36 kristaps 909: return(1);
1.71 kristaps 910: return(mdoc_nerr(mdoc, n, "only one argument allowed"));
1.36 kristaps 911: }
912:
913:
914: static int
1.69 kristaps 915: pre_lb(PRE_ARGS)
1.35 kristaps 916: {
1.36 kristaps 917:
1.69 kristaps 918: return(check_sec(mdoc, n, SEC_LIBRARY, SEC_CUSTOM));
1.35 kristaps 919: }
920:
921:
922: static int
1.55 kristaps 923: pre_rv(PRE_ARGS)
1.36 kristaps 924: {
925:
1.69 kristaps 926: if ( ! check_msec(mdoc, n, 2, 3, 0))
1.36 kristaps 927: return(0);
1.55 kristaps 928: return(check_stdarg(mdoc, n));
1.36 kristaps 929: }
930:
931:
932: static int
1.55 kristaps 933: pre_ex(PRE_ARGS)
1.33 kristaps 934: {
1.35 kristaps 935:
1.69 kristaps 936: if ( ! check_msec(mdoc, n, 1, 6, 8, 0))
1.35 kristaps 937: return(0);
1.55 kristaps 938: return(check_stdarg(mdoc, n));
1.33 kristaps 939: }
940:
941:
942: static int
1.55 kristaps 943: pre_er(PRE_ARGS)
1.33 kristaps 944: {
945:
1.69 kristaps 946: return(check_msec(mdoc, n, 2, 0));
1.33 kristaps 947: }
948:
949:
950: static int
1.55 kristaps 951: pre_cd(PRE_ARGS)
1.33 kristaps 952: {
953:
1.69 kristaps 954: return(check_msec(mdoc, n, 4, 0));
1.33 kristaps 955: }
956:
957:
958: static int
1.55 kristaps 959: pre_prologue(PRE_ARGS)
1.20 kristaps 960: {
961:
1.69 kristaps 962: return(check_sec(mdoc, n, SEC_PROLOGUE, SEC_CUSTOM));
963: }
1.20 kristaps 964:
965:
1.69 kristaps 966: static int
967: pre_dt(PRE_ARGS)
968: {
969:
970: if (0 == mdoc->meta.date || mdoc->meta.os)
1.71 kristaps 971: if ( ! nwarn(mdoc, n, WPROLOOO))
1.69 kristaps 972: return(0);
973: if (mdoc->meta.title)
1.71 kristaps 974: if ( ! nwarn(mdoc, n, WPROLREP))
1.69 kristaps 975: return(0);
976: return(1);
977: }
978:
979:
980: static int
981: pre_os(PRE_ARGS)
982: {
983:
984: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.71 kristaps 985: if ( ! nwarn(mdoc, n, WPROLOOO))
1.69 kristaps 986: return(0);
987: if (mdoc->meta.os)
1.71 kristaps 988: if ( ! nwarn(mdoc, n, WPROLREP))
1.69 kristaps 989: return(0);
990: return(1);
991: }
1.20 kristaps 992:
993:
1.69 kristaps 994: static int
995: pre_dd(PRE_ARGS)
996: {
1.20 kristaps 997:
1.69 kristaps 998: if (mdoc->meta.title || mdoc->meta.os)
1.71 kristaps 999: if ( ! nwarn(mdoc, n, WPROLOOO))
1.69 kristaps 1000: return(0);
1001: if (mdoc->meta.date)
1.71 kristaps 1002: if ( ! nwarn(mdoc, n, WPROLREP))
1.69 kristaps 1003: return(0);
1004: return(1);
1.20 kristaps 1005: }
1006:
1007:
1.35 kristaps 1008: static int
1.55 kristaps 1009: post_bf(POST_ARGS)
1.41 kristaps 1010: {
1011: char *p;
1012: struct mdoc_node *head;
1013:
1014: if (MDOC_BLOCK != mdoc->last->type)
1015: return(1);
1.53 kristaps 1016:
1.71 kristaps 1017: head = mdoc->last->head;
1.41 kristaps 1018:
1.71 kristaps 1019: if (NULL == mdoc->last->args) {
1020: if (NULL == head->child ||
1021: MDOC_TEXT != head->child->type)
1022: return(mdoc_err(mdoc, "text argument expected"));
1.53 kristaps 1023:
1.71 kristaps 1024: p = head->child->string;
1.53 kristaps 1025: if (xstrcmp(p, "Em"))
1026: return(1);
1027: else if (xstrcmp(p, "Li"))
1028: return(1);
1029: else if (xstrcmp(p, "Sm"))
1030: return(1);
1031: return(mdoc_nerr(mdoc, head->child, "invalid font"));
1.41 kristaps 1032: }
1.53 kristaps 1033:
1.41 kristaps 1034: if (head->child)
1.71 kristaps 1035: return(mdoc_err(mdoc, "one argument expected"));
1.53 kristaps 1036:
1.71 kristaps 1037: return(1);
1.41 kristaps 1038: }
1039:
1040:
1041: static int
1.55 kristaps 1042: post_nm(POST_ARGS)
1.37 kristaps 1043: {
1044:
1045: if (mdoc->last->child)
1046: return(1);
1047: if (mdoc->meta.name)
1048: return(1);
1.71 kristaps 1049: return(merr(mdoc, ENAME));
1.37 kristaps 1050: }
1051:
1052:
1053: static int
1.55 kristaps 1054: post_at(POST_ARGS)
1.36 kristaps 1055: {
1056:
1.37 kristaps 1057: if (NULL == mdoc->last->child)
1058: return(1);
1.71 kristaps 1059: if (MDOC_TEXT != mdoc->last->child->type)
1060: return(merr(mdoc, EATT));
1061: if (mdoc_a2att(mdoc->last->child->string))
1.36 kristaps 1062: return(1);
1.71 kristaps 1063: return(merr(mdoc, EATT));
1.36 kristaps 1064: }
1065:
1066:
1067: static int
1.55 kristaps 1068: post_an(POST_ARGS)
1.35 kristaps 1069: {
1070:
1.71 kristaps 1071: if (mdoc->last->args) {
1.35 kristaps 1072: if (NULL == mdoc->last->child)
1073: return(1);
1.71 kristaps 1074: return(merr(mdoc, ELINE));
1.35 kristaps 1075: }
1076:
1077: if (mdoc->last->child)
1078: return(1);
1.71 kristaps 1079: return(merr(mdoc, ELINE));
1.35 kristaps 1080: }
1081:
1082:
1083: static int
1.55 kristaps 1084: post_ex(POST_ARGS)
1.35 kristaps 1085: {
1086:
1.71 kristaps 1087: if (mdoc->last->args)
1088: return(1);
1089: return(merr(mdoc, ELINE));
1.35 kristaps 1090: }
1091:
1092:
1.25 kristaps 1093: static int
1.55 kristaps 1094: post_it(POST_ARGS)
1.25 kristaps 1095: {
1.71 kristaps 1096: int type, i, cols;
1097: struct mdoc_node *n, *c;
1.25 kristaps 1098:
1099: if (MDOC_BLOCK != mdoc->last->type)
1100: return(1);
1101:
1.53 kristaps 1102: n = mdoc->last->parent->parent;
1.71 kristaps 1103: if (NULL == n->args)
1104: return(merr(mdoc, ELISTTYPE));
1.25 kristaps 1105:
1.26 kristaps 1106: /* Some types require block-head, some not. */
1.25 kristaps 1107:
1.38 kristaps 1108: /* LINTED */
1.71 kristaps 1109: for (cols = type = -1, i = 0; -1 == type &&
1110: i < (int)n->args->argc; i++)
1111: switch (n->args->argv[i].arg) {
1.25 kristaps 1112: case (MDOC_Tag):
1113: /* FALLTHROUGH */
1114: case (MDOC_Diag):
1115: /* FALLTHROUGH */
1116: case (MDOC_Hang):
1117: /* FALLTHROUGH */
1118: case (MDOC_Ohang):
1119: /* FALLTHROUGH */
1120: case (MDOC_Inset):
1.71 kristaps 1121: /* FALLTHROUGH */
1.25 kristaps 1122: case (MDOC_Bullet):
1123: /* FALLTHROUGH */
1124: case (MDOC_Dash):
1125: /* FALLTHROUGH */
1126: case (MDOC_Enum):
1127: /* FALLTHROUGH */
1128: case (MDOC_Hyphen):
1129: /* FALLTHROUGH */
1130: case (MDOC_Item):
1.71 kristaps 1131: type = n->args->argv[i].arg;
1.47 kristaps 1132: break;
1.25 kristaps 1133: case (MDOC_Column):
1.71 kristaps 1134: type = n->args->argv[i].arg;
1135: cols = (int)n->args->argv[i].sz;
1.25 kristaps 1136: break;
1137: default:
1138: break;
1139: }
1140:
1.71 kristaps 1141: if (-1 == type)
1142: return(merr(mdoc, ELISTTYPE));
1.25 kristaps 1143:
1.71 kristaps 1144: switch (type) {
1145: case (MDOC_Tag):
1146: if (NULL == mdoc->last->head->child)
1147: if ( ! mwarn(mdoc, WLINE))
1148: return(0);
1149: break;
1150: case (MDOC_Hang):
1151: /* FALLTHROUGH */
1152: case (MDOC_Ohang):
1153: /* FALLTHROUGH */
1154: case (MDOC_Inset):
1155: /* FALLTHROUGH */
1156: case (MDOC_Diag):
1157: if (NULL == mdoc->last->head->child)
1158: if ( ! mwarn(mdoc, WLINE))
1.25 kristaps 1159: return(0);
1.71 kristaps 1160: if (NULL == mdoc->last->body->child)
1161: if ( ! mwarn(mdoc, WMULTILINE))
1.25 kristaps 1162: return(0);
1.71 kristaps 1163: break;
1164: case (MDOC_Bullet):
1165: /* FALLTHROUGH */
1166: case (MDOC_Dash):
1167: /* FALLTHROUGH */
1168: case (MDOC_Enum):
1169: /* FALLTHROUGH */
1170: case (MDOC_Hyphen):
1171: /* FALLTHROUGH */
1172: case (MDOC_Item):
1173: if (mdoc->last->head->child)
1174: if ( ! mwarn(mdoc, WNOLINE))
1.47 kristaps 1175: return(0);
1.71 kristaps 1176: if (NULL == mdoc->last->body->child)
1177: if ( ! mwarn(mdoc, WMULTILINE))
1.47 kristaps 1178: return(0);
1.71 kristaps 1179: break;
1180: case (MDOC_Column):
1181: if (NULL == mdoc->last->head->child)
1182: if ( ! mwarn(mdoc, WLINE))
1.47 kristaps 1183: return(0);
1.71 kristaps 1184: if (mdoc->last->body->child)
1185: if ( ! mwarn(mdoc, WNOMULTILINE))
1.47 kristaps 1186: return(0);
1.71 kristaps 1187: c = mdoc->last->head->child;
1188: for (i = 0; c; c = c->next)
1189: i++;
1190: if (i == cols)
1191: break;
1192: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
1193: "column mismatch (have %d, want %d)", i, cols))
1194: return(0);
1195: break;
1196: default:
1197: break;
1.25 kristaps 1198: }
1199:
1.71 kristaps 1200: return(1);
1.25 kristaps 1201: }
1202:
1203:
1.24 kristaps 1204: static int
1.55 kristaps 1205: post_bl(POST_ARGS)
1.24 kristaps 1206: {
1.53 kristaps 1207: struct mdoc_node *n;
1.24 kristaps 1208:
1209: if (MDOC_BODY != mdoc->last->type)
1210: return(1);
1.71 kristaps 1211: if (NULL == mdoc->last->child)
1.64 kristaps 1212: return(1);
1213:
1.38 kristaps 1214: /* LINTED */
1.24 kristaps 1215: for (n = mdoc->last->child; n; n = n->next) {
1216: if (MDOC_BLOCK == n->type)
1.25 kristaps 1217: if (MDOC_It == n->tok)
1.24 kristaps 1218: continue;
1.64 kristaps 1219: return(mdoc_nerr(mdoc, n, "bad child of parent %s",
1220: mdoc_macronames[mdoc->last->tok]));
1.24 kristaps 1221: }
1.53 kristaps 1222:
1.64 kristaps 1223: return(1);
1.24 kristaps 1224: }
1225:
1226:
1.34 kristaps 1227: static int
1.37 kristaps 1228: ebool(struct mdoc *mdoc)
1.34 kristaps 1229: {
1230: struct mdoc_node *n;
1231:
1.38 kristaps 1232: /* LINTED */
1.34 kristaps 1233: for (n = mdoc->last->child; n; n = n->next) {
1234: if (MDOC_TEXT != n->type)
1235: break;
1.71 kristaps 1236: if (xstrcmp(n->string, "on"))
1.34 kristaps 1237: continue;
1.71 kristaps 1238: if (xstrcmp(n->string, "off"))
1.34 kristaps 1239: continue;
1240: break;
1241: }
1.53 kristaps 1242:
1.34 kristaps 1243: if (NULL == n)
1244: return(1);
1.71 kristaps 1245: return(nerr(mdoc, n, EBOOL));
1.37 kristaps 1246: }
1247:
1248:
1249: static int
1.55 kristaps 1250: post_root(POST_ARGS)
1.37 kristaps 1251: {
1252:
1.46 kristaps 1253: if (NULL == mdoc->first->child)
1.71 kristaps 1254: return(merr(mdoc, ENODATA));
1.46 kristaps 1255: if (SEC_PROLOGUE == mdoc->lastnamed)
1.71 kristaps 1256: return(merr(mdoc, ENOPROLOGUE));
1.53 kristaps 1257:
1.46 kristaps 1258: if (MDOC_BLOCK != mdoc->first->child->type)
1.71 kristaps 1259: return(merr(mdoc, ENODATA));
1.46 kristaps 1260: if (MDOC_Sh != mdoc->first->child->tok)
1.71 kristaps 1261: return(merr(mdoc, ENODATA));
1.53 kristaps 1262:
1.37 kristaps 1263: return(1);
1.34 kristaps 1264: }
1265:
1266:
1.20 kristaps 1267: static int
1.69 kristaps 1268: post_st(POST_ARGS)
1269: {
1270:
1.71 kristaps 1271: if (mdoc_a2st(mdoc->last->child->string))
1.69 kristaps 1272: return(1);
1.71 kristaps 1273: return(mwarn(mdoc, WBADSTAND));
1.69 kristaps 1274: }
1275:
1276:
1277: static int
1.55 kristaps 1278: post_sh(POST_ARGS)
1.14 kristaps 1279: {
1.46 kristaps 1280:
1281: if (MDOC_HEAD == mdoc->last->type)
1282: return(post_sh_head(mdoc));
1283: if (MDOC_BODY == mdoc->last->type)
1284: return(post_sh_body(mdoc));
1.53 kristaps 1285:
1.46 kristaps 1286: return(1);
1287: }
1288:
1289:
1290: static int
1.55 kristaps 1291: post_sh_body(POST_ARGS)
1.46 kristaps 1292: {
1293: struct mdoc_node *n;
1294:
1295: if (SEC_NAME != mdoc->lastnamed)
1296: return(1);
1297:
1.51 kristaps 1298: /*
1299: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1300: * macros (can have multiple `Nm' and one `Nd'). Note that the
1301: * children of the BODY declaration can also be "text".
1302: */
1303:
1.46 kristaps 1304: if (NULL == (n = mdoc->last->child))
1.71 kristaps 1305: return(mwarn(mdoc, WNAMESECINC));
1.51 kristaps 1306:
1307: for ( ; n && n->next; n = n->next) {
1308: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1309: continue;
1310: if (MDOC_TEXT == n->type)
1311: continue;
1.71 kristaps 1312: if ( ! mwarn(mdoc, WNAMESECINC))
1.51 kristaps 1313: return(0);
1314: }
1315:
1316: if (MDOC_ELEM == n->type && MDOC_Nd == n->tok)
1.46 kristaps 1317: return(1);
1.71 kristaps 1318: return(mwarn(mdoc, WNAMESECINC));
1.46 kristaps 1319: }
1320:
1321:
1322: static int
1.55 kristaps 1323: post_sh_head(POST_ARGS)
1.46 kristaps 1324: {
1.36 kristaps 1325: char buf[64];
1.21 kristaps 1326: enum mdoc_sec sec;
1327:
1.69 kristaps 1328: /*
1329: * Process a new section. Sections are either "named" or
1330: * "custom"; custom sections are user-defined, while named ones
1331: * usually follow a conventional order and may only appear in
1332: * certain manual sections.
1333: */
1334:
1.25 kristaps 1335: assert(MDOC_Sh == mdoc->last->tok);
1.21 kristaps 1336:
1.69 kristaps 1337: (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
1.14 kristaps 1338:
1.46 kristaps 1339: sec = mdoc_atosec(buf);
1340:
1.69 kristaps 1341: /* The NAME section should always be first. */
1342:
1.46 kristaps 1343: if (SEC_BODY == mdoc->lastnamed && SEC_NAME != sec)
1.71 kristaps 1344: return(mwarn(mdoc, WSECOOO));
1.46 kristaps 1345: if (SEC_CUSTOM == sec)
1.21 kristaps 1346: return(1);
1.69 kristaps 1347:
1348: /* Check for repeated or out-of-order sections. */
1349:
1.46 kristaps 1350: if (sec == mdoc->lastnamed)
1.71 kristaps 1351: return(mwarn(mdoc, WSECREP));
1.46 kristaps 1352: if (sec < mdoc->lastnamed)
1.71 kristaps 1353: return(mwarn(mdoc, WSECOOO));
1.69 kristaps 1354:
1355: /* Check particular section/manual section conventions. */
1356:
1357: switch (sec) {
1358: case (SEC_LIBRARY):
1359: switch (mdoc->meta.msec) {
1360: case (2):
1361: /* FALLTHROUGH */
1362: case (3):
1363: break;
1364: default:
1.71 kristaps 1365: return(mwarn(mdoc, WWRONGMSEC));
1.69 kristaps 1366: }
1367: break;
1368: default:
1369: break;
1370: }
1.46 kristaps 1371:
1372: return(1);
1.11 kristaps 1373: }
1374:
1375:
1.57 kristaps 1376: static int
1.69 kristaps 1377: pre_fd(PRE_ARGS)
1.11 kristaps 1378: {
1.39 kristaps 1379:
1.69 kristaps 1380: return(check_sec(mdoc, n, SEC_SYNOPSIS, SEC_CUSTOM));
1.11 kristaps 1381: }
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