Annotation of mandoc/validate.c, Revision 1.77
1.77 ! kristaps 1: /* $Id: validate.c,v 1.76 2009/03/08 20:57:35 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);
1.69 kristaps 140: static int post_an(POST_ARGS);
141: static int post_at(POST_ARGS);
142: static int post_bf(POST_ARGS);
1.55 kristaps 143: static int post_bl(POST_ARGS);
1.69 kristaps 144: static int post_ex(POST_ARGS);
1.55 kristaps 145: static int post_it(POST_ARGS);
146: static int post_nm(POST_ARGS);
147: static int post_root(POST_ARGS);
1.69 kristaps 148: static int post_sh(POST_ARGS);
149: static int post_sh_body(POST_ARGS);
150: static int post_sh_head(POST_ARGS);
151: static int post_st(POST_ARGS);
1.37 kristaps 152:
1.69 kristaps 153: static v_pre pres_an[] = { pre_an, NULL };
1.24 kristaps 154: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
155: static v_pre pres_bl[] = { pre_bl, NULL };
1.33 kristaps 156: static v_pre pres_cd[] = { pre_cd, NULL };
1.69 kristaps 157: static v_pre pres_dd[] = { pre_prologue, pre_dd, NULL };
158: static v_pre pres_d1[] = { pre_display, NULL };
159: static v_pre pres_dt[] = { pre_prologue, pre_dt, NULL };
1.33 kristaps 160: static v_pre pres_er[] = { pre_er, NULL };
161: static v_pre pres_ex[] = { pre_ex, NULL };
1.69 kristaps 162: static v_pre pres_fd[] = { pre_fd, NULL };
163: static v_pre pres_it[] = { pre_it, NULL };
164: static v_pre pres_lb[] = { pre_lb, NULL };
165: static v_pre pres_os[] = { pre_prologue, pre_os, NULL };
1.36 kristaps 166: static v_pre pres_rv[] = { pre_rv, NULL };
1.69 kristaps 167: static v_pre pres_sh[] = { pre_sh, NULL };
168: static v_pre pres_ss[] = { pre_ss, NULL };
1.37 kristaps 169: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
170: static v_post posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
171: static v_post posts_text[] = { eerr_ge1, NULL };
172: static v_post posts_wtext[] = { ewarn_ge1, NULL };
173: static v_post posts_notext[] = { eerr_eq0, NULL };
1.43 kristaps 174: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
1.37 kristaps 175: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
176: static v_post posts_bl[] = { herr_eq0, bwarn_ge1, post_bl, NULL };
1.25 kristaps 177: static v_post posts_it[] = { post_it, NULL };
1.39 kristaps 178: static v_post posts_in[] = { ewarn_eq1, NULL };
1.37 kristaps 179: static v_post posts_ss[] = { herr_ge1, NULL };
1.52 kristaps 180: static v_post posts_pf[] = { eerr_eq1, NULL };
1.69 kristaps 181: static v_post posts_lb[] = { eerr_eq1, NULL };
182: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
1.37 kristaps 183: static v_post posts_pp[] = { ewarn_eq0, NULL };
1.71 kristaps 184: static v_post posts_ex[] = { eerr_eq0, post_ex, NULL };
1.35 kristaps 185: static v_post posts_an[] = { post_an, NULL };
1.37 kristaps 186: static v_post posts_at[] = { post_at, NULL };
1.69 kristaps 187: static v_post posts_xr[] = { eerr_ge1, eerr_le2, NULL };
1.37 kristaps 188: static v_post posts_nm[] = { post_nm, NULL };
1.59 kristaps 189: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
1.45 kristaps 190: static v_post posts_rs[] = { herr_eq0, bwarn_ge1, NULL };
1.58 kristaps 191: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
1.45 kristaps 192: static v_post posts_bk[] = { herr_eq0, bwarn_ge1, NULL };
1.69 kristaps 193: static v_post posts_fd[] = { ewarn_ge1, NULL };
1.9 kristaps 194:
195: const struct valids mdoc_valids[MDOC_MAX] = {
1.51 kristaps 196: { NULL, NULL }, /* \" */
1.69 kristaps 197: { pres_dd, posts_text }, /* Dd */
198: { pres_dt, NULL }, /* Dt */
199: { pres_os, NULL }, /* Os */
1.51 kristaps 200: { pres_sh, posts_sh }, /* Sh */
201: { pres_ss, posts_ss }, /* Ss */
202: { NULL, posts_pp }, /* Pp */
203: { pres_d1, posts_wline }, /* D1 */
204: { pres_d1, posts_wline }, /* Dl */
205: { pres_bd, posts_bd }, /* Bd */
206: { NULL, NULL }, /* Ed */
207: { pres_bl, posts_bl }, /* Bl */
208: { NULL, NULL }, /* El */
209: { pres_it, posts_it }, /* It */
210: { NULL, posts_text }, /* Ad */
211: { pres_an, posts_an }, /* An */
212: { NULL, NULL }, /* Ar */
213: { pres_cd, posts_text }, /* Cd */
214: { NULL, NULL }, /* Cm */
215: { NULL, posts_text }, /* Dv */
216: { pres_er, posts_text }, /* Er */
217: { NULL, posts_text }, /* Ev */
218: { pres_ex, posts_ex }, /* Ex */
219: { NULL, posts_text }, /* Fa */
1.69 kristaps 220: { pres_fd, posts_fd }, /* Fd */
1.51 kristaps 221: { NULL, NULL }, /* Fl */
222: { NULL, posts_text }, /* Fn */
223: { NULL, posts_wtext }, /* Ft */
224: { NULL, posts_text }, /* Ic */
225: { NULL, posts_in }, /* In */
226: { NULL, posts_text }, /* Li */
227: { NULL, posts_wtext }, /* Nd */
228: { NULL, posts_nm }, /* Nm */
229: { NULL, posts_wline }, /* Op */
230: { NULL, NULL }, /* Ot */
231: { NULL, NULL }, /* Pa */
232: { pres_rv, posts_notext }, /* Rv */
1.69 kristaps 233: { NULL, posts_st }, /* St */
1.51 kristaps 234: { NULL, posts_text }, /* Va */
235: { NULL, posts_text }, /* Vt */
236: { NULL, posts_xr }, /* Xr */
237: { NULL, posts_text }, /* %A */
238: { NULL, posts_text }, /* %B */
239: { NULL, posts_text }, /* %D */
240: { NULL, posts_text }, /* %I */
241: { NULL, posts_text }, /* %J */
242: { NULL, posts_text }, /* %N */
243: { NULL, posts_text }, /* %O */
244: { NULL, posts_text }, /* %P */
245: { NULL, posts_text }, /* %R */
246: { NULL, posts_text }, /* %T */
247: { NULL, posts_text }, /* %V */
248: { NULL, NULL }, /* Ac */
249: { NULL, NULL }, /* Ao */
250: { NULL, posts_wline }, /* Aq */
251: { NULL, posts_at }, /* At */
252: { NULL, NULL }, /* Bc */
253: { NULL, posts_bf }, /* Bf */
254: { NULL, NULL }, /* Bo */
255: { NULL, posts_wline }, /* Bq */
256: { NULL, NULL }, /* Bsx */
257: { NULL, NULL }, /* Bx */
258: { NULL, posts_bool }, /* Db */
259: { NULL, NULL }, /* Dc */
260: { NULL, NULL }, /* Do */
261: { NULL, posts_wline }, /* Dq */
262: { NULL, NULL }, /* Ec */
263: { NULL, NULL }, /* Ef */
264: { NULL, posts_text }, /* Em */
265: { NULL, NULL }, /* Eo */
266: { NULL, NULL }, /* Fx */
267: { NULL, posts_text }, /* Ms */
268: { NULL, posts_notext }, /* No */
269: { NULL, posts_notext }, /* Ns */
270: { NULL, NULL }, /* Nx */
271: { NULL, NULL }, /* Ox */
272: { NULL, NULL }, /* Pc */
1.52 kristaps 273: { NULL, posts_pf }, /* Pf */
1.51 kristaps 274: { NULL, NULL }, /* Po */
275: { NULL, posts_wline }, /* Pq */
276: { NULL, NULL }, /* Qc */
277: { NULL, posts_wline }, /* Ql */
278: { NULL, NULL }, /* Qo */
279: { NULL, posts_wline }, /* Qq */
280: { NULL, NULL }, /* Re */
281: { NULL, posts_rs }, /* Rs */
282: { NULL, NULL }, /* Sc */
283: { NULL, NULL }, /* So */
284: { NULL, posts_wline }, /* Sq */
285: { NULL, posts_bool }, /* Sm */
286: { NULL, posts_text }, /* Sx */
287: { NULL, posts_text }, /* Sy */
288: { NULL, posts_text }, /* Tn */
289: { NULL, NULL }, /* Ux */
290: { NULL, NULL }, /* Xc */
291: { NULL, NULL }, /* Xo */
292: { NULL, posts_fo }, /* Fo */
293: { NULL, NULL }, /* Fc */
294: { NULL, NULL }, /* Oo */
295: { NULL, NULL }, /* Oc */
296: { NULL, posts_bk }, /* Bk */
297: { NULL, NULL }, /* Ek */
298: { NULL, posts_notext }, /* Bt */
299: { NULL, NULL }, /* Hf */
300: { NULL, NULL }, /* Fr */
301: { NULL, posts_notext }, /* Ud */
1.69 kristaps 302: { pres_lb, posts_lb }, /* Lb */
1.75 kristaps 303: { NULL, NULL }, /* Lb */
1.76 kristaps 304: { NULL, posts_pp }, /* Pp */
1.9 kristaps 305: };
1.6 kristaps 306:
307:
1.57 kristaps 308: int
309: mdoc_valid_pre(struct mdoc *mdoc,
310: const struct mdoc_node *node)
311: {
312: v_pre *p;
1.71 kristaps 313: int line, pos;
1.57 kristaps 314: const char *tp;
315:
316: if (MDOC_TEXT == node->type) {
1.71 kristaps 317: tp = node->string;
1.57 kristaps 318: line = node->line;
319: pos = node->pos;
320: return(check_text(mdoc, line, pos, tp));
321: }
322:
1.71 kristaps 323: if ( ! check_args(mdoc, node))
324: return(0);
1.57 kristaps 325: if (NULL == mdoc_valids[node->tok].pre)
326: return(1);
327: for (p = mdoc_valids[node->tok].pre; *p; p++)
328: if ( ! (*p)(mdoc, node))
329: return(0);
330: return(1);
331: }
332:
333:
334: int
335: mdoc_valid_post(struct mdoc *mdoc)
336: {
337: v_post *p;
338:
339: /*
340: * This check occurs after the macro's children have been filled
341: * in: postfix validation. Since this happens when we're
342: * rewinding the scope tree, it's possible to have multiple
343: * invocations (as by design, for now), we set bit MDOC_VALID to
344: * indicate that we've validated.
345: */
346:
347: if (MDOC_VALID & mdoc->last->flags)
348: return(1);
349: mdoc->last->flags |= MDOC_VALID;
350:
351: if (MDOC_TEXT == mdoc->last->type)
352: return(1);
353: if (MDOC_ROOT == mdoc->last->type)
354: return(post_root(mdoc));
355:
356: if (NULL == mdoc_valids[mdoc->last->tok].post)
357: return(1);
358: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
359: if ( ! (*p)(mdoc))
360: return(0);
361:
362: return(1);
363: }
364:
365:
1.71 kristaps 366: #define merr(m, t) nerr((m), (m)->last, (t))
367: static int
368: nerr(struct mdoc *m, const struct mdoc_node *n, enum merr type)
369: {
370: char *p;
371:
372: p = NULL;
373:
374: switch (type) {
375: case (ENESTDISP):
376: p = "displays may not be nested";
377: break;
378: case (EBOOL):
379: p = "expected boolean value";
380: break;
381: case (EARGREP):
382: p = "argument repeated";
383: break;
384: case (EMULTIDISP):
385: p = "multiple display types specified";
386: break;
387: case (EMULTILIST):
388: p = "multiple list types specified";
389: break;
390: case (ELISTTYPE):
391: p = "missing list type";
392: break;
393: case (EDISPTYPE):
394: p = "missing display type";
395: break;
396: case (ELINE):
397: p = "expected line arguments";
398: break;
399: case (ENOPROLOGUE):
400: p = "document has no prologue";
401: break;
402: case (ENODATA):
403: p = "document has no data";
404: break;
405: case (EATT):
406: p = "expected valid AT&T symbol";
407: break;
408: case (ENAME):
409: p = "default name not yet set";
410: break;
411: }
412:
413: assert(p);
414: return(mdoc_nerr(m, n, p));
415: }
416:
417:
418: #define mwarn(m, t) nwarn((m), (m)->last, (t))
419: static int
420: nwarn(struct mdoc *m, const struct mdoc_node *n, enum mwarn type)
421: {
422: char *p;
423: enum mdoc_warn c;
424:
425: c = WARN_SYNTAX;
426: p = NULL;
427:
428: switch (type) {
429: case (WBADMSEC):
430: p = "inappropriate manual section";
431: c = WARN_COMPAT;
432: break;
433: case (WBADSEC):
434: p = "inappropriate document section";
435: c = WARN_COMPAT;
436: break;
437: case (WARGVAL):
438: p = "argument value suggested";
439: c = WARN_COMPAT;
440: break;
441: case (WPROLREP):
442: p = "prologue macros repeated";
443: c = WARN_COMPAT;
444: break;
445: case (WPROLOOO):
446: p = "prologue macros out-of-order";
447: c = WARN_COMPAT;
448: break;
449: case (WNOLINE):
450: p = "suggested no line arguments";
451: break;
452: case (WLINE):
453: p = "suggested line arguments";
454: break;
455: case (WMULTILINE):
456: p = "suggested multi-line arguments";
457: break;
458: case (WNOMULTILINE):
459: p = "suggested no multi-line arguments";
460: break;
461: case (WWRONGMSEC):
462: p = "document section in wrong manual section";
463: c = WARN_COMPAT;
464: break;
465: case (WSECOOO):
466: p = "document section out of conventional order";
467: break;
468: case (WSECREP):
469: p = "document section repeated";
470: break;
471: case (WBADSTAND):
472: p = "unknown standard";
473: break;
474: case (WNAMESECINC):
475: p = "NAME section contents incomplete/badly-ordered";
476: break;
477: }
478: assert(p);
479: return(mdoc_nwarn(m, n, c, p));
480: }
481:
482:
1.57 kristaps 483:
1.51 kristaps 484: static inline int
485: warn_count(struct mdoc *m, const char *k,
486: int want, const char *v, int has)
487: {
488:
1.55 kristaps 489: return(mdoc_warn(m, WARN_SYNTAX,
1.71 kristaps 490: "suggests %s %s %d (has %d)", v, k, want, has));
1.51 kristaps 491: }
492:
493:
494: static inline int
495: err_count(struct mdoc *m, const char *k,
496: int want, const char *v, int has)
497: {
498:
1.71 kristaps 499: return(mdoc_err(m,
500: "requires %s %s %d (has %d)", v, k, want, has));
1.51 kristaps 501: }
502:
503:
504: static inline int
505: count_child(struct mdoc *mdoc)
1.36 kristaps 506: {
1.51 kristaps 507: int i;
1.36 kristaps 508: struct mdoc_node *n;
509:
510: for (i = 0, n = mdoc->last->child; n; n = n->next, i++)
511: /* Do nothing */ ;
1.53 kristaps 512:
1.36 kristaps 513: return(i);
514: }
515:
516:
1.53 kristaps 517: /*
518: * Build these up with macros because they're basically the same check
519: * for different inequalities. Yes, this could be done with functions,
520: * but this is reasonable for now.
521: */
1.36 kristaps 522:
1.53 kristaps 523: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
524: static int \
525: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
526: { \
527: int i; \
528: if ((i = count_child(mdoc)) ineq sz) \
529: return(1); \
530: return(lvl##_count(mdoc, #ineq, sz, p, i)); \
531: }
532:
533: #define CHECK_BODY_DEFN(name, lvl, func, num) \
534: static int \
1.55 kristaps 535: b##lvl##_##name(POST_ARGS) \
1.53 kristaps 536: { \
537: if (MDOC_BODY != mdoc->last->type) \
538: return(1); \
1.71 kristaps 539: return(func(mdoc, "multi-line arguments", (num))); \
1.53 kristaps 540: }
541:
542: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
543: static int \
1.55 kristaps 544: e##lvl##_##name(POST_ARGS) \
1.53 kristaps 545: { \
546: assert(MDOC_ELEM == mdoc->last->type); \
1.71 kristaps 547: return(func(mdoc, "line arguments", (num))); \
1.53 kristaps 548: }
549:
550: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
551: static int \
1.55 kristaps 552: h##lvl##_##name(POST_ARGS) \
1.53 kristaps 553: { \
554: if (MDOC_HEAD != mdoc->last->type) \
555: return(1); \
1.71 kristaps 556: return(func(mdoc, "line arguments", (num))); \
1.36 kristaps 557: }
558:
559:
1.53 kristaps 560: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
561: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
562: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
563: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
564: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
1.59 kristaps 565: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
1.53 kristaps 566: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
567: CHECK_ELEM_DEFN(eq1, warn, warn_child_eq, 1) /* ewarn_eq1() */
568: CHECK_ELEM_DEFN(eq0, warn, warn_child_eq, 0) /* ewarn_eq0() */
569: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
570: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
571: CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */
572: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
573: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
574: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
1.59 kristaps 575: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
1.53 kristaps 576: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
1.58 kristaps 577: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
1.36 kristaps 578:
579:
580: static int
1.55 kristaps 581: check_stdarg(PRE_ARGS)
1.36 kristaps 582: {
583:
1.71 kristaps 584: if (n->args && 1 == n->args->argc)
585: if (MDOC_Std == n->args->argv[0].arg)
586: return(1);
587: return(nwarn(mdoc, n, WARGVAL));
1.36 kristaps 588: }
589:
590:
591: static int
1.69 kristaps 592: check_sec(PRE_ARGS, ...)
593: {
594: enum mdoc_sec sec;
595: va_list ap;
596:
597: va_start(ap, n);
598:
599: for (;;) {
1.71 kristaps 600: /* LINTED */
1.70 kristaps 601: sec = (enum mdoc_sec)va_arg(ap, int);
602: if (SEC_CUSTOM == sec)
1.69 kristaps 603: break;
604: if (sec != mdoc->lastsec)
605: continue;
606: va_end(ap);
607: return(1);
608: }
609:
610: va_end(ap);
1.71 kristaps 611: return(nwarn(mdoc, n, WBADSEC));
1.69 kristaps 612: }
613:
614:
615: static int
616: check_msec(PRE_ARGS, ...)
1.33 kristaps 617: {
1.69 kristaps 618: va_list ap;
619: int msec;
1.33 kristaps 620:
1.69 kristaps 621: va_start(ap, n);
622: for (;;) {
1.71 kristaps 623: /* LINTED */
1.69 kristaps 624: if (0 == (msec = va_arg(ap, int)))
625: break;
626: if (msec != mdoc->meta.msec)
627: continue;
628: va_end(ap);
629: return(1);
630: }
631:
632: va_end(ap);
1.71 kristaps 633: return(nwarn(mdoc, n, WBADMSEC));
1.55 kristaps 634: }
635:
636:
1.68 kristaps 637: static int
1.71 kristaps 638: check_args(struct mdoc *m, const struct mdoc_node *n)
639: {
640: int i;
641:
642: if (NULL == n->args)
643: return(1);
644:
1.73 kristaps 645: assert(n->args->argc);
1.71 kristaps 646: for (i = 0; i < (int)n->args->argc; i++)
647: if ( ! check_argv(m, n, &n->args->argv[i]))
648: return(0);
649:
650: return(1);
651: }
652:
653:
654: static int
655: check_argv(struct mdoc *m, const struct mdoc_node *n,
656: const struct mdoc_argv *v)
1.68 kristaps 657: {
1.71 kristaps 658: int i;
1.68 kristaps 659:
1.71 kristaps 660: for (i = 0; i < (int)v->sz; i++)
661: if ( ! check_text(m, v->line, v->pos, v->value[i]))
662: return(0);
1.68 kristaps 663:
1.71 kristaps 664: if (MDOC_Std == v->arg && MDOC_Ex == n->tok) {
665: /* `Nm' name must be set. */
666: if (v->sz || m->meta.name)
667: return(1);
668: return(nerr(m, n, ENAME));
1.68 kristaps 669: }
670:
671: return(1);
672: }
673:
674:
1.55 kristaps 675: static int
1.63 kristaps 676: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
1.55 kristaps 677: {
678: size_t c;
679:
1.62 kristaps 680: /* XXX - indicate deprecated escapes \*(xx and \*x. */
681:
1.55 kristaps 682: for ( ; *p; p++) {
1.68 kristaps 683: if ( ! isprint((u_char)*p) && '\t' != *p)
1.56 kristaps 684: return(mdoc_perr(mdoc, line, pos,
1.71 kristaps 685: "invalid non-printing character"));
1.55 kristaps 686: if ('\\' != *p)
687: continue;
688: if ((c = mdoc_isescape(p))) {
1.63 kristaps 689: p += (int)c - 1;
1.55 kristaps 690: continue;
691: }
1.74 kristaps 692: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
693: return(mdoc_perr(mdoc, line, pos,
694: "invalid escape sequence"));
695: if ( ! mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX,
696: "invalid escape sequence"))
697: return(0);
1.55 kristaps 698: }
699:
700: return(1);
1.14 kristaps 701: }
702:
703:
1.55 kristaps 704:
705:
1.14 kristaps 706: static int
1.55 kristaps 707: check_parent(PRE_ARGS, int tok, enum mdoc_type t)
1.54 kristaps 708: {
709:
710: assert(n->parent);
711: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
712: (t == n->parent->type))
713: return(1);
714:
715: return(mdoc_nerr(mdoc, n, "require parent %s",
716: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
717: }
718:
719:
720:
721: static int
1.55 kristaps 722: pre_display(PRE_ARGS)
1.23 kristaps 723: {
1.55 kristaps 724: struct mdoc_node *node;
1.23 kristaps 725:
1.53 kristaps 726: /* Display elements (`Bd', `D1'...) cannot be nested. */
727:
1.55 kristaps 728: if (MDOC_BLOCK != n->type)
1.24 kristaps 729: return(1);
730:
1.38 kristaps 731: /* LINTED */
1.55 kristaps 732: for (node = mdoc->last->parent; node; node = node->parent)
733: if (MDOC_BLOCK == node->type)
734: if (MDOC_Bd == node->tok)
1.23 kristaps 735: break;
1.55 kristaps 736: if (NULL == node)
1.23 kristaps 737: return(1);
1.53 kristaps 738:
1.71 kristaps 739: return(nerr(mdoc, n, ENESTDISP));
1.23 kristaps 740: }
741:
742:
743: static int
1.55 kristaps 744: pre_bl(PRE_ARGS)
1.24 kristaps 745: {
1.71 kristaps 746: int i, type, width, offset;
1.24 kristaps 747:
1.55 kristaps 748: if (MDOC_BLOCK != n->type)
1.24 kristaps 749: return(1);
1.71 kristaps 750: if (NULL == n->args)
751: return(nerr(mdoc, n, ELISTTYPE));
1.24 kristaps 752:
1.53 kristaps 753: /* Make sure that only one type of list is specified. */
754:
1.61 kristaps 755: type = offset = width = -1;
756:
1.38 kristaps 757: /* LINTED */
1.71 kristaps 758: for (i = 0; i < (int)n->args->argc; i++)
759: switch (n->args->argv[i].arg) {
1.24 kristaps 760: case (MDOC_Bullet):
761: /* FALLTHROUGH */
762: case (MDOC_Dash):
763: /* FALLTHROUGH */
764: case (MDOC_Enum):
765: /* FALLTHROUGH */
766: case (MDOC_Hyphen):
767: /* FALLTHROUGH */
768: case (MDOC_Item):
769: /* FALLTHROUGH */
770: case (MDOC_Tag):
771: /* FALLTHROUGH */
772: case (MDOC_Diag):
773: /* FALLTHROUGH */
774: case (MDOC_Hang):
775: /* FALLTHROUGH */
776: case (MDOC_Ohang):
777: /* FALLTHROUGH */
778: case (MDOC_Inset):
1.26 kristaps 779: /* FALLTHROUGH */
780: case (MDOC_Column):
1.61 kristaps 781: if (-1 == type) {
1.71 kristaps 782: type = n->args->argv[i].arg;
1.53 kristaps 783: break;
1.61 kristaps 784: }
1.71 kristaps 785: return(nerr(mdoc, n, EMULTILIST));
1.61 kristaps 786: case (MDOC_Width):
787: if (-1 == width) {
1.71 kristaps 788: width = n->args->argv[i].arg;
1.61 kristaps 789: break;
790: }
1.71 kristaps 791: return(nerr(mdoc, n, EARGREP));
1.61 kristaps 792: case (MDOC_Offset):
793: if (-1 == offset) {
1.71 kristaps 794: offset = n->args->argv[i].arg;
1.61 kristaps 795: break;
796: }
1.71 kristaps 797: return(nerr(mdoc, n, EARGREP));
1.24 kristaps 798: default:
799: break;
800: }
1.53 kristaps 801:
1.61 kristaps 802: if (-1 == type)
1.71 kristaps 803: return(nerr(mdoc, n, ELISTTYPE));
1.61 kristaps 804:
805: switch (type) {
806: case (MDOC_Column):
807: /* FALLTHROUGH */
808: case (MDOC_Diag):
809: /* FALLTHROUGH */
810: case (MDOC_Inset):
811: /* FALLTHROUGH */
812: case (MDOC_Item):
813: if (-1 == width)
814: break;
815: return(mdoc_nwarn(mdoc, n, WARN_SYNTAX,
1.71 kristaps 816: "superfluous %s argument",
1.61 kristaps 817: mdoc_argnames[MDOC_Width]));
818: case (MDOC_Tag):
1.71 kristaps 819: if (-1 != width)
820: break;
821: return(mdoc_nerr(mdoc, n, "missing %s argument",
822: mdoc_argnames[MDOC_Width]));
1.61 kristaps 823: default:
824: break;
825: }
826:
827: return(1);
1.24 kristaps 828: }
829:
830:
831: static int
1.55 kristaps 832: pre_bd(PRE_ARGS)
1.24 kristaps 833: {
1.71 kristaps 834: int i, type, err;
1.24 kristaps 835:
1.55 kristaps 836: if (MDOC_BLOCK != n->type)
1.24 kristaps 837: return(1);
1.71 kristaps 838: if (NULL == n->args)
839: return(nerr(mdoc, n, EDISPTYPE));
1.24 kristaps 840:
1.53 kristaps 841: /* Make sure that only one type of display is specified. */
842:
1.38 kristaps 843: /* LINTED */
1.71 kristaps 844: for (i = 0, err = type = 0; ! err &&
845: i < (int)n->args->argc; i++)
846: switch (n->args->argv[i].arg) {
1.24 kristaps 847: case (MDOC_Ragged):
848: /* FALLTHROUGH */
849: case (MDOC_Unfilled):
850: /* FALLTHROUGH */
1.29 kristaps 851: case (MDOC_Filled):
852: /* FALLTHROUGH */
1.24 kristaps 853: case (MDOC_Literal):
854: /* FALLTHROUGH */
855: case (MDOC_File):
1.53 kristaps 856: if (0 == type++)
857: break;
1.71 kristaps 858: return(nerr(mdoc, n, EMULTIDISP));
1.24 kristaps 859: default:
860: break;
861: }
1.53 kristaps 862:
863: if (type)
864: return(1);
1.71 kristaps 865: return(nerr(mdoc, n, EDISPTYPE));
1.24 kristaps 866: }
867:
868:
869: static int
1.55 kristaps 870: pre_ss(PRE_ARGS)
1.33 kristaps 871: {
872:
1.55 kristaps 873: if (MDOC_BLOCK != n->type)
1.33 kristaps 874: return(1);
1.55 kristaps 875: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
1.33 kristaps 876: }
877:
878:
879: static int
1.55 kristaps 880: pre_sh(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, -1, MDOC_ROOT));
1.33 kristaps 886: }
887:
888:
889: static int
1.55 kristaps 890: pre_it(PRE_ARGS)
1.53 kristaps 891: {
892:
1.55 kristaps 893: if (MDOC_BLOCK != n->type)
1.53 kristaps 894: return(1);
1.55 kristaps 895: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
1.53 kristaps 896: }
897:
898:
899: static int
1.69 kristaps 900: pre_an(PRE_ARGS)
1.36 kristaps 901: {
902:
1.73 kristaps 903: if (NULL == n->args || 1 == n->args->argc)
1.36 kristaps 904: return(1);
1.71 kristaps 905: return(mdoc_nerr(mdoc, n, "only one argument allowed"));
1.36 kristaps 906: }
907:
908:
909: static int
1.69 kristaps 910: pre_lb(PRE_ARGS)
1.35 kristaps 911: {
1.36 kristaps 912:
1.69 kristaps 913: return(check_sec(mdoc, n, SEC_LIBRARY, SEC_CUSTOM));
1.35 kristaps 914: }
915:
916:
917: static int
1.55 kristaps 918: pre_rv(PRE_ARGS)
1.36 kristaps 919: {
920:
1.69 kristaps 921: if ( ! check_msec(mdoc, n, 2, 3, 0))
1.36 kristaps 922: return(0);
1.55 kristaps 923: return(check_stdarg(mdoc, n));
1.36 kristaps 924: }
925:
926:
927: static int
1.55 kristaps 928: pre_ex(PRE_ARGS)
1.33 kristaps 929: {
1.35 kristaps 930:
1.69 kristaps 931: if ( ! check_msec(mdoc, n, 1, 6, 8, 0))
1.35 kristaps 932: return(0);
1.55 kristaps 933: return(check_stdarg(mdoc, n));
1.33 kristaps 934: }
935:
936:
937: static int
1.55 kristaps 938: pre_er(PRE_ARGS)
1.33 kristaps 939: {
940:
1.69 kristaps 941: return(check_msec(mdoc, n, 2, 0));
1.33 kristaps 942: }
943:
944:
945: static int
1.55 kristaps 946: pre_cd(PRE_ARGS)
1.33 kristaps 947: {
948:
1.69 kristaps 949: return(check_msec(mdoc, n, 4, 0));
1.33 kristaps 950: }
951:
952:
953: static int
1.55 kristaps 954: pre_prologue(PRE_ARGS)
1.20 kristaps 955: {
956:
1.69 kristaps 957: return(check_sec(mdoc, n, SEC_PROLOGUE, SEC_CUSTOM));
958: }
1.20 kristaps 959:
960:
1.69 kristaps 961: static int
962: pre_dt(PRE_ARGS)
963: {
964:
965: if (0 == mdoc->meta.date || mdoc->meta.os)
1.71 kristaps 966: if ( ! nwarn(mdoc, n, WPROLOOO))
1.69 kristaps 967: return(0);
968: if (mdoc->meta.title)
1.71 kristaps 969: if ( ! nwarn(mdoc, n, WPROLREP))
1.69 kristaps 970: return(0);
971: return(1);
972: }
973:
974:
975: static int
976: pre_os(PRE_ARGS)
977: {
978:
979: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.71 kristaps 980: if ( ! nwarn(mdoc, n, WPROLOOO))
1.69 kristaps 981: return(0);
982: if (mdoc->meta.os)
1.71 kristaps 983: if ( ! nwarn(mdoc, n, WPROLREP))
1.69 kristaps 984: return(0);
985: return(1);
986: }
1.20 kristaps 987:
988:
1.69 kristaps 989: static int
990: pre_dd(PRE_ARGS)
991: {
1.20 kristaps 992:
1.69 kristaps 993: if (mdoc->meta.title || mdoc->meta.os)
1.71 kristaps 994: if ( ! nwarn(mdoc, n, WPROLOOO))
1.69 kristaps 995: return(0);
996: if (mdoc->meta.date)
1.71 kristaps 997: if ( ! nwarn(mdoc, n, WPROLREP))
1.69 kristaps 998: return(0);
999: return(1);
1.20 kristaps 1000: }
1001:
1002:
1.35 kristaps 1003: static int
1.55 kristaps 1004: post_bf(POST_ARGS)
1.41 kristaps 1005: {
1006: char *p;
1007: struct mdoc_node *head;
1008:
1009: if (MDOC_BLOCK != mdoc->last->type)
1010: return(1);
1.53 kristaps 1011:
1.71 kristaps 1012: head = mdoc->last->head;
1.41 kristaps 1013:
1.71 kristaps 1014: if (NULL == mdoc->last->args) {
1015: if (NULL == head->child ||
1016: MDOC_TEXT != head->child->type)
1017: return(mdoc_err(mdoc, "text argument expected"));
1.53 kristaps 1018:
1.71 kristaps 1019: p = head->child->string;
1.53 kristaps 1020: if (xstrcmp(p, "Em"))
1021: return(1);
1022: else if (xstrcmp(p, "Li"))
1023: return(1);
1024: else if (xstrcmp(p, "Sm"))
1025: return(1);
1026: return(mdoc_nerr(mdoc, head->child, "invalid font"));
1.41 kristaps 1027: }
1.53 kristaps 1028:
1.41 kristaps 1029: if (head->child)
1.71 kristaps 1030: return(mdoc_err(mdoc, "one argument expected"));
1.53 kristaps 1031:
1.71 kristaps 1032: return(1);
1.41 kristaps 1033: }
1034:
1035:
1036: static int
1.55 kristaps 1037: post_nm(POST_ARGS)
1.37 kristaps 1038: {
1039:
1040: if (mdoc->last->child)
1041: return(1);
1042: if (mdoc->meta.name)
1043: return(1);
1.71 kristaps 1044: return(merr(mdoc, ENAME));
1.37 kristaps 1045: }
1046:
1047:
1048: static int
1.55 kristaps 1049: post_at(POST_ARGS)
1.36 kristaps 1050: {
1051:
1.37 kristaps 1052: if (NULL == mdoc->last->child)
1053: return(1);
1.71 kristaps 1054: if (MDOC_TEXT != mdoc->last->child->type)
1055: return(merr(mdoc, EATT));
1056: if (mdoc_a2att(mdoc->last->child->string))
1.36 kristaps 1057: return(1);
1.71 kristaps 1058: return(merr(mdoc, EATT));
1.36 kristaps 1059: }
1060:
1061:
1062: static int
1.55 kristaps 1063: post_an(POST_ARGS)
1.35 kristaps 1064: {
1065:
1.71 kristaps 1066: if (mdoc->last->args) {
1.35 kristaps 1067: if (NULL == mdoc->last->child)
1068: return(1);
1.71 kristaps 1069: return(merr(mdoc, ELINE));
1.35 kristaps 1070: }
1071:
1072: if (mdoc->last->child)
1073: return(1);
1.71 kristaps 1074: return(merr(mdoc, ELINE));
1.35 kristaps 1075: }
1076:
1077:
1078: static int
1.55 kristaps 1079: post_ex(POST_ARGS)
1.35 kristaps 1080: {
1081:
1.71 kristaps 1082: if (mdoc->last->args)
1083: return(1);
1084: return(merr(mdoc, ELINE));
1.35 kristaps 1085: }
1086:
1087:
1.25 kristaps 1088: static int
1.55 kristaps 1089: post_it(POST_ARGS)
1.25 kristaps 1090: {
1.71 kristaps 1091: int type, i, cols;
1092: struct mdoc_node *n, *c;
1.25 kristaps 1093:
1094: if (MDOC_BLOCK != mdoc->last->type)
1095: return(1);
1096:
1.53 kristaps 1097: n = mdoc->last->parent->parent;
1.71 kristaps 1098: if (NULL == n->args)
1099: return(merr(mdoc, ELISTTYPE));
1.25 kristaps 1100:
1.26 kristaps 1101: /* Some types require block-head, some not. */
1.25 kristaps 1102:
1.38 kristaps 1103: /* LINTED */
1.71 kristaps 1104: for (cols = type = -1, i = 0; -1 == type &&
1105: i < (int)n->args->argc; i++)
1106: switch (n->args->argv[i].arg) {
1.25 kristaps 1107: case (MDOC_Tag):
1108: /* FALLTHROUGH */
1109: case (MDOC_Diag):
1110: /* FALLTHROUGH */
1111: case (MDOC_Hang):
1112: /* FALLTHROUGH */
1113: case (MDOC_Ohang):
1114: /* FALLTHROUGH */
1115: case (MDOC_Inset):
1.71 kristaps 1116: /* FALLTHROUGH */
1.25 kristaps 1117: case (MDOC_Bullet):
1118: /* FALLTHROUGH */
1119: case (MDOC_Dash):
1120: /* FALLTHROUGH */
1121: case (MDOC_Enum):
1122: /* FALLTHROUGH */
1123: case (MDOC_Hyphen):
1124: /* FALLTHROUGH */
1125: case (MDOC_Item):
1.71 kristaps 1126: type = n->args->argv[i].arg;
1.47 kristaps 1127: break;
1.25 kristaps 1128: case (MDOC_Column):
1.71 kristaps 1129: type = n->args->argv[i].arg;
1130: cols = (int)n->args->argv[i].sz;
1.25 kristaps 1131: break;
1132: default:
1133: break;
1134: }
1135:
1.71 kristaps 1136: if (-1 == type)
1137: return(merr(mdoc, ELISTTYPE));
1.25 kristaps 1138:
1.71 kristaps 1139: switch (type) {
1140: case (MDOC_Tag):
1141: if (NULL == mdoc->last->head->child)
1142: if ( ! mwarn(mdoc, WLINE))
1143: return(0);
1144: break;
1145: case (MDOC_Hang):
1146: /* FALLTHROUGH */
1147: case (MDOC_Ohang):
1148: /* FALLTHROUGH */
1149: case (MDOC_Inset):
1150: /* FALLTHROUGH */
1151: case (MDOC_Diag):
1152: if (NULL == mdoc->last->head->child)
1153: if ( ! mwarn(mdoc, WLINE))
1.25 kristaps 1154: return(0);
1.71 kristaps 1155: if (NULL == mdoc->last->body->child)
1156: if ( ! mwarn(mdoc, WMULTILINE))
1.25 kristaps 1157: return(0);
1.71 kristaps 1158: break;
1159: case (MDOC_Bullet):
1160: /* FALLTHROUGH */
1161: case (MDOC_Dash):
1162: /* FALLTHROUGH */
1163: case (MDOC_Enum):
1164: /* FALLTHROUGH */
1165: case (MDOC_Hyphen):
1166: /* FALLTHROUGH */
1167: case (MDOC_Item):
1168: if (mdoc->last->head->child)
1169: if ( ! mwarn(mdoc, WNOLINE))
1.47 kristaps 1170: return(0);
1.71 kristaps 1171: if (NULL == mdoc->last->body->child)
1172: if ( ! mwarn(mdoc, WMULTILINE))
1.47 kristaps 1173: return(0);
1.71 kristaps 1174: break;
1175: case (MDOC_Column):
1176: if (NULL == mdoc->last->head->child)
1177: if ( ! mwarn(mdoc, WLINE))
1.47 kristaps 1178: return(0);
1.71 kristaps 1179: if (mdoc->last->body->child)
1180: if ( ! mwarn(mdoc, WNOMULTILINE))
1.47 kristaps 1181: return(0);
1.71 kristaps 1182: c = mdoc->last->head->child;
1183: for (i = 0; c; c = c->next)
1184: i++;
1185: if (i == cols)
1186: break;
1187: if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
1188: "column mismatch (have %d, want %d)", i, cols))
1189: return(0);
1190: break;
1191: default:
1192: break;
1.25 kristaps 1193: }
1194:
1.71 kristaps 1195: return(1);
1.25 kristaps 1196: }
1197:
1198:
1.24 kristaps 1199: static int
1.55 kristaps 1200: post_bl(POST_ARGS)
1.24 kristaps 1201: {
1.53 kristaps 1202: struct mdoc_node *n;
1.24 kristaps 1203:
1204: if (MDOC_BODY != mdoc->last->type)
1205: return(1);
1.71 kristaps 1206: if (NULL == mdoc->last->child)
1.64 kristaps 1207: return(1);
1208:
1.38 kristaps 1209: /* LINTED */
1.24 kristaps 1210: for (n = mdoc->last->child; n; n = n->next) {
1211: if (MDOC_BLOCK == n->type)
1.25 kristaps 1212: if (MDOC_It == n->tok)
1.24 kristaps 1213: continue;
1.64 kristaps 1214: return(mdoc_nerr(mdoc, n, "bad child of parent %s",
1215: mdoc_macronames[mdoc->last->tok]));
1.24 kristaps 1216: }
1.53 kristaps 1217:
1.64 kristaps 1218: return(1);
1.24 kristaps 1219: }
1220:
1221:
1.34 kristaps 1222: static int
1.37 kristaps 1223: ebool(struct mdoc *mdoc)
1.34 kristaps 1224: {
1225: struct mdoc_node *n;
1226:
1.38 kristaps 1227: /* LINTED */
1.34 kristaps 1228: for (n = mdoc->last->child; n; n = n->next) {
1229: if (MDOC_TEXT != n->type)
1230: break;
1.71 kristaps 1231: if (xstrcmp(n->string, "on"))
1.34 kristaps 1232: continue;
1.71 kristaps 1233: if (xstrcmp(n->string, "off"))
1.34 kristaps 1234: continue;
1235: break;
1236: }
1.53 kristaps 1237:
1.34 kristaps 1238: if (NULL == n)
1239: return(1);
1.71 kristaps 1240: return(nerr(mdoc, n, EBOOL));
1.37 kristaps 1241: }
1242:
1243:
1244: static int
1.55 kristaps 1245: post_root(POST_ARGS)
1.37 kristaps 1246: {
1247:
1.46 kristaps 1248: if (NULL == mdoc->first->child)
1.71 kristaps 1249: return(merr(mdoc, ENODATA));
1.46 kristaps 1250: if (SEC_PROLOGUE == mdoc->lastnamed)
1.71 kristaps 1251: return(merr(mdoc, ENOPROLOGUE));
1.53 kristaps 1252:
1.46 kristaps 1253: if (MDOC_BLOCK != mdoc->first->child->type)
1.71 kristaps 1254: return(merr(mdoc, ENODATA));
1.46 kristaps 1255: if (MDOC_Sh != mdoc->first->child->tok)
1.71 kristaps 1256: return(merr(mdoc, ENODATA));
1.53 kristaps 1257:
1.37 kristaps 1258: return(1);
1.34 kristaps 1259: }
1260:
1261:
1.20 kristaps 1262: static int
1.69 kristaps 1263: post_st(POST_ARGS)
1264: {
1265:
1.71 kristaps 1266: if (mdoc_a2st(mdoc->last->child->string))
1.69 kristaps 1267: return(1);
1.71 kristaps 1268: return(mwarn(mdoc, WBADSTAND));
1.69 kristaps 1269: }
1270:
1271:
1272: static int
1.55 kristaps 1273: post_sh(POST_ARGS)
1.14 kristaps 1274: {
1.46 kristaps 1275:
1276: if (MDOC_HEAD == mdoc->last->type)
1277: return(post_sh_head(mdoc));
1278: if (MDOC_BODY == mdoc->last->type)
1279: return(post_sh_body(mdoc));
1.53 kristaps 1280:
1.46 kristaps 1281: return(1);
1282: }
1283:
1284:
1285: static int
1.55 kristaps 1286: post_sh_body(POST_ARGS)
1.46 kristaps 1287: {
1288: struct mdoc_node *n;
1289:
1290: if (SEC_NAME != mdoc->lastnamed)
1291: return(1);
1292:
1.51 kristaps 1293: /*
1294: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1295: * macros (can have multiple `Nm' and one `Nd'). Note that the
1296: * children of the BODY declaration can also be "text".
1297: */
1298:
1.46 kristaps 1299: if (NULL == (n = mdoc->last->child))
1.71 kristaps 1300: return(mwarn(mdoc, WNAMESECINC));
1.51 kristaps 1301:
1302: for ( ; n && n->next; n = n->next) {
1303: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1304: continue;
1305: if (MDOC_TEXT == n->type)
1306: continue;
1.71 kristaps 1307: if ( ! mwarn(mdoc, WNAMESECINC))
1.51 kristaps 1308: return(0);
1309: }
1310:
1311: if (MDOC_ELEM == n->type && MDOC_Nd == n->tok)
1.46 kristaps 1312: return(1);
1.71 kristaps 1313: return(mwarn(mdoc, WNAMESECINC));
1.46 kristaps 1314: }
1315:
1316:
1317: static int
1.55 kristaps 1318: post_sh_head(POST_ARGS)
1.46 kristaps 1319: {
1.36 kristaps 1320: char buf[64];
1.21 kristaps 1321: enum mdoc_sec sec;
1322:
1.69 kristaps 1323: /*
1324: * Process a new section. Sections are either "named" or
1325: * "custom"; custom sections are user-defined, while named ones
1326: * usually follow a conventional order and may only appear in
1327: * certain manual sections.
1328: */
1329:
1.25 kristaps 1330: assert(MDOC_Sh == mdoc->last->tok);
1.21 kristaps 1331:
1.69 kristaps 1332: (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
1.14 kristaps 1333:
1.46 kristaps 1334: sec = mdoc_atosec(buf);
1335:
1.69 kristaps 1336: /* The NAME section should always be first. */
1337:
1.46 kristaps 1338: if (SEC_BODY == mdoc->lastnamed && SEC_NAME != sec)
1.71 kristaps 1339: return(mwarn(mdoc, WSECOOO));
1.46 kristaps 1340: if (SEC_CUSTOM == sec)
1.21 kristaps 1341: return(1);
1.69 kristaps 1342:
1343: /* Check for repeated or out-of-order sections. */
1344:
1.46 kristaps 1345: if (sec == mdoc->lastnamed)
1.71 kristaps 1346: return(mwarn(mdoc, WSECREP));
1.46 kristaps 1347: if (sec < mdoc->lastnamed)
1.71 kristaps 1348: return(mwarn(mdoc, WSECOOO));
1.69 kristaps 1349:
1350: /* Check particular section/manual section conventions. */
1351:
1352: switch (sec) {
1353: case (SEC_LIBRARY):
1354: switch (mdoc->meta.msec) {
1355: case (2):
1356: /* FALLTHROUGH */
1357: case (3):
1358: break;
1359: default:
1.71 kristaps 1360: return(mwarn(mdoc, WWRONGMSEC));
1.69 kristaps 1361: }
1362: break;
1363: default:
1364: break;
1365: }
1.46 kristaps 1366:
1367: return(1);
1.11 kristaps 1368: }
1369:
1370:
1.57 kristaps 1371: static int
1.69 kristaps 1372: pre_fd(PRE_ARGS)
1.11 kristaps 1373: {
1.39 kristaps 1374:
1.69 kristaps 1375: return(check_sec(mdoc, n, SEC_SYNOPSIS, SEC_CUSTOM));
1.11 kristaps 1376: }
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