Annotation of mandoc/read.c, Revision 1.20
1.20 ! kristaps 1: /* $Id: read.c,v 1.19 2011/07/18 14:30:51 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4: * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
1.11 kristaps 18: #ifdef HAVE_CONFIG_H
19: #include "config.h"
20: #endif
21:
1.15 kristaps 22: #ifdef HAVE_MMAP
23: # include <sys/stat.h>
24: # include <sys/mman.h>
25: #endif
1.1 kristaps 26:
27: #include <assert.h>
28: #include <ctype.h>
29: #include <fcntl.h>
1.3 kristaps 30: #include <stdarg.h>
1.1 kristaps 31: #include <stdio.h>
32: #include <stdlib.h>
33: #include <string.h>
34: #include <unistd.h>
35:
36: #include "mandoc.h"
1.3 kristaps 37: #include "libmandoc.h"
1.1 kristaps 38: #include "mdoc.h"
39: #include "man.h"
40:
41: #ifndef MAP_FILE
42: #define MAP_FILE 0
43: #endif
44:
45: #define REPARSE_LIMIT 1000
46:
47: struct buf {
48: char *buf; /* binary input buffer */
49: size_t sz; /* size of binary buffer */
50: };
51:
52: struct mparse {
53: enum mandoclevel file_status; /* status of current parse */
1.3 kristaps 54: enum mandoclevel wlevel; /* ignore messages below this */
1.1 kristaps 55: int line; /* line number in the file */
56: enum mparset inttype; /* which parser to use */
57: struct man *pman; /* persistent man parser */
58: struct mdoc *pmdoc; /* persistent mdoc parser */
59: struct man *man; /* man parser */
60: struct mdoc *mdoc; /* mdoc parser */
61: struct roff *roff; /* roff parser (!NULL) */
62: int reparse_count; /* finite interp. stack */
63: mandocmsg mmsg; /* warning/error message handler */
64: void *arg; /* argument to mmsg */
1.3 kristaps 65: const char *file;
1.1 kristaps 66: };
67:
68: static void resize_buf(struct buf *, size_t);
69: static void mparse_buf_r(struct mparse *, struct buf, int);
70: static void mparse_readfd_r(struct mparse *, int, const char *, int);
71: static void pset(const char *, int, struct mparse *);
72: static void pdesc(struct mparse *, const char *, int);
73: static int read_whole_file(const char *, int, struct buf *, int *);
74: static void mparse_end(struct mparse *);
75:
1.3 kristaps 76: static const enum mandocerr mandoclimits[MANDOCLEVEL_MAX] = {
77: MANDOCERR_OK,
78: MANDOCERR_WARNING,
79: MANDOCERR_WARNING,
80: MANDOCERR_ERROR,
81: MANDOCERR_FATAL,
82: MANDOCERR_MAX,
83: MANDOCERR_MAX
84: };
85:
1.7 kristaps 86: static const char * const mandocerrs[MANDOCERR_MAX] = {
87: "ok",
88:
89: "generic warning",
90:
91: /* related to the prologue */
92: "no title in document",
93: "document title should be all caps",
94: "unknown manual section",
95: "date missing, using today's date",
96: "cannot parse date, using it verbatim",
97: "prologue macros out of order",
98: "duplicate prologue macro",
99: "macro not allowed in prologue",
100: "macro not allowed in body",
101:
102: /* related to document structure */
103: ".so is fragile, better use ln(1)",
104: "NAME section must come first",
105: "bad NAME section contents",
106: "manual name not yet set",
107: "sections out of conventional order",
108: "duplicate section name",
109: "section not in conventional manual section",
110:
111: /* related to macros and nesting */
112: "skipping obsolete macro",
113: "skipping paragraph macro",
114: "skipping no-space macro",
115: "blocks badly nested",
116: "child violates parent syntax",
117: "nested displays are not portable",
118: "already in literal mode",
119: "line scope broken",
120:
121: /* related to missing macro arguments */
122: "skipping empty macro",
123: "argument count wrong",
124: "missing display type",
125: "list type must come first",
126: "tag lists require a width argument",
127: "missing font type",
128: "skipping end of block that is not open",
129:
130: /* related to bad macro arguments */
131: "skipping argument",
132: "duplicate argument",
133: "duplicate display type",
134: "duplicate list type",
135: "unknown AT&T UNIX version",
136: "bad Boolean value",
137: "unknown font",
138: "unknown standard specifier",
139: "bad width argument",
140:
141: /* related to plain text */
142: "blank line in non-literal context",
143: "tab in non-literal context",
144: "end of line whitespace",
145: "bad comment style",
1.12 kristaps 146: "bad escape sequence",
1.7 kristaps 147: "unterminated quoted string",
1.16 kristaps 148:
149: /* related to equations */
150: "unexpected literal in equation",
1.7 kristaps 151:
152: "generic error",
1.17 kristaps 153:
154: /* related to equations */
155: "bad equation macro syntax",
1.19 kristaps 156: "too many nested equation defines",
1.20 ! kristaps 157: "unexpected equation scope closure",
! 158: "equation scope open on exit",
1.7 kristaps 159:
160: /* related to tables */
161: "bad table syntax",
162: "bad table option",
163: "bad table layout",
164: "no table layout cells specified",
165: "no table data cells specified",
166: "ignore data in cell",
167: "data block still open",
168: "ignoring extra data cells",
169:
170: "input stack limit exceeded, infinite loop?",
171: "skipping bad character",
172: "escaped character not allowed in a name",
173: "skipping text before the first section header",
174: "skipping unknown macro",
175: "NOT IMPLEMENTED, please use groff: skipping request",
176: "argument count wrong",
177: "skipping end of block that is not open",
178: "missing end of block",
179: "scope open on exit",
180: "uname(3) system call failed",
181: "macro requires line argument(s)",
182: "macro requires body argument(s)",
183: "macro requires argument(s)",
184: "missing list type",
185: "line argument(s) will be lost",
186: "body argument(s) will be lost",
187:
188: "generic fatal error",
189:
190: "not a manual",
191: "column syntax is inconsistent",
192: "NOT IMPLEMENTED: .Bd -file",
193: "line scope broken, syntax violated",
194: "argument count wrong, violates syntax",
195: "child violates parent syntax",
196: "argument count wrong, violates syntax",
197: "NOT IMPLEMENTED: .so with absolute path or \"..\"",
198: "no document body",
199: "no document prologue",
200: "static buffer exhausted",
201: };
202:
203: static const char * const mandoclevels[MANDOCLEVEL_MAX] = {
204: "SUCCESS",
205: "RESERVED",
206: "WARNING",
207: "ERROR",
208: "FATAL",
209: "BADARG",
210: "SYSERR"
211: };
212:
1.1 kristaps 213: static void
214: resize_buf(struct buf *buf, size_t initial)
215: {
216:
217: buf->sz = buf->sz > initial/2 ? 2 * buf->sz : initial;
218: buf->buf = mandoc_realloc(buf->buf, buf->sz);
219: }
220:
221: static void
222: pset(const char *buf, int pos, struct mparse *curp)
223: {
224: int i;
225:
226: /*
227: * Try to intuit which kind of manual parser should be used. If
228: * passed in by command-line (-man, -mdoc), then use that
229: * explicitly. If passed as -mandoc, then try to guess from the
230: * line: either skip dot-lines, use -mdoc when finding `.Dt', or
231: * default to -man, which is more lenient.
232: *
233: * Separate out pmdoc/pman from mdoc/man: the first persists
234: * through all parsers, while the latter is used per-parse.
235: */
236:
237: if ('.' == buf[0] || '\'' == buf[0]) {
238: for (i = 1; buf[i]; i++)
239: if (' ' != buf[i] && '\t' != buf[i])
240: break;
241: if ('\0' == buf[i])
242: return;
243: }
244:
245: switch (curp->inttype) {
246: case (MPARSE_MDOC):
247: if (NULL == curp->pmdoc)
1.18 kristaps 248: curp->pmdoc = mdoc_alloc(curp->roff, curp);
1.1 kristaps 249: assert(curp->pmdoc);
250: curp->mdoc = curp->pmdoc;
251: return;
252: case (MPARSE_MAN):
253: if (NULL == curp->pman)
1.18 kristaps 254: curp->pman = man_alloc(curp->roff, curp);
1.1 kristaps 255: assert(curp->pman);
256: curp->man = curp->pman;
257: return;
258: default:
259: break;
260: }
261:
262: if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) {
263: if (NULL == curp->pmdoc)
1.18 kristaps 264: curp->pmdoc = mdoc_alloc(curp->roff, curp);
1.1 kristaps 265: assert(curp->pmdoc);
266: curp->mdoc = curp->pmdoc;
267: return;
268: }
269:
270: if (NULL == curp->pman)
1.18 kristaps 271: curp->pman = man_alloc(curp->roff, curp);
1.1 kristaps 272: assert(curp->pman);
273: curp->man = curp->pman;
274: }
275:
276: /*
277: * Main parse routine for an opened file. This is called for each
278: * opened file and simply loops around the full input file, possibly
279: * nesting (i.e., with `so').
280: */
281: static void
282: mparse_buf_r(struct mparse *curp, struct buf blk, int start)
283: {
284: const struct tbl_span *span;
285: struct buf ln;
286: enum rofferr rr;
287: int i, of, rc;
288: int pos; /* byte number in the ln buffer */
289: int lnn; /* line number in the real file */
290: unsigned char c;
291:
292: memset(&ln, 0, sizeof(struct buf));
293:
294: lnn = curp->line;
295: pos = 0;
296:
297: for (i = 0; i < (int)blk.sz; ) {
298: if (0 == pos && '\0' == blk.buf[i])
299: break;
300:
301: if (start) {
302: curp->line = lnn;
303: curp->reparse_count = 0;
304: }
305:
306: while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) {
307:
308: /*
309: * When finding an unescaped newline character,
310: * leave the character loop to process the line.
311: * Skip a preceding carriage return, if any.
312: */
313:
314: if ('\r' == blk.buf[i] && i + 1 < (int)blk.sz &&
315: '\n' == blk.buf[i + 1])
316: ++i;
317: if ('\n' == blk.buf[i]) {
318: ++i;
319: ++lnn;
320: break;
321: }
322:
323: /*
324: * Warn about bogus characters. If you're using
325: * non-ASCII encoding, you're screwing your
326: * readers. Since I'd rather this not happen,
327: * I'll be helpful and drop these characters so
328: * we don't display gibberish. Note to manual
329: * writers: use special characters.
330: */
331:
332: c = (unsigned char) blk.buf[i];
333:
334: if ( ! (isascii(c) &&
335: (isgraph(c) || isblank(c)))) {
1.3 kristaps 336: mandoc_msg(MANDOCERR_BADCHAR, curp,
1.1 kristaps 337: curp->line, pos, "ignoring byte");
338: i++;
339: continue;
340: }
341:
342: /* Trailing backslash = a plain char. */
343:
344: if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
345: if (pos >= (int)ln.sz)
346: resize_buf(&ln, 256);
347: ln.buf[pos++] = blk.buf[i++];
348: continue;
349: }
350:
351: /*
352: * Found escape and at least one other character.
353: * When it's a newline character, skip it.
354: * When there is a carriage return in between,
355: * skip that one as well.
356: */
357:
358: if ('\r' == blk.buf[i + 1] && i + 2 < (int)blk.sz &&
359: '\n' == blk.buf[i + 2])
360: ++i;
361: if ('\n' == blk.buf[i + 1]) {
362: i += 2;
363: ++lnn;
364: continue;
365: }
366:
1.13 kristaps 367: if ('"' == blk.buf[i + 1] || '#' == blk.buf[i + 1]) {
1.1 kristaps 368: i += 2;
369: /* Comment, skip to end of line */
370: for (; i < (int)blk.sz; ++i) {
371: if ('\n' == blk.buf[i]) {
372: ++i;
373: ++lnn;
374: break;
375: }
376: }
377:
378: /* Backout trailing whitespaces */
379: for (; pos > 0; --pos) {
380: if (ln.buf[pos - 1] != ' ')
381: break;
382: if (pos > 2 && ln.buf[pos - 2] == '\\')
383: break;
384: }
385: break;
386: }
387:
388: /* Some other escape sequence, copy & cont. */
389:
390: if (pos + 1 >= (int)ln.sz)
391: resize_buf(&ln, 256);
392:
393: ln.buf[pos++] = blk.buf[i++];
394: ln.buf[pos++] = blk.buf[i++];
395: }
396:
397: if (pos >= (int)ln.sz)
398: resize_buf(&ln, 256);
399:
400: ln.buf[pos] = '\0';
401:
402: /*
403: * A significant amount of complexity is contained by
404: * the roff preprocessor. It's line-oriented but can be
405: * expressed on one line, so we need at times to
406: * readjust our starting point and re-run it. The roff
407: * preprocessor can also readjust the buffers with new
408: * data, so we pass them in wholesale.
409: */
410:
411: of = 0;
412:
413: rerun:
414: rr = roff_parseln
415: (curp->roff, curp->line,
416: &ln.buf, &ln.sz, of, &of);
417:
418: switch (rr) {
419: case (ROFF_REPARSE):
420: if (REPARSE_LIMIT >= ++curp->reparse_count)
421: mparse_buf_r(curp, ln, 0);
422: else
1.3 kristaps 423: mandoc_msg(MANDOCERR_ROFFLOOP, curp,
1.1 kristaps 424: curp->line, pos, NULL);
425: pos = 0;
426: continue;
427: case (ROFF_APPEND):
428: pos = (int)strlen(ln.buf);
429: continue;
430: case (ROFF_RERUN):
431: goto rerun;
432: case (ROFF_IGN):
433: pos = 0;
434: continue;
435: case (ROFF_ERR):
436: assert(MANDOCLEVEL_FATAL <= curp->file_status);
437: break;
438: case (ROFF_SO):
439: mparse_readfd_r(curp, -1, ln.buf + of, 1);
440: if (MANDOCLEVEL_FATAL <= curp->file_status)
441: break;
442: pos = 0;
443: continue;
444: default:
445: break;
446: }
447:
448: /*
449: * If we encounter errors in the recursive parse, make
450: * sure we don't continue parsing.
451: */
452:
453: if (MANDOCLEVEL_FATAL <= curp->file_status)
454: break;
455:
456: /*
457: * If input parsers have not been allocated, do so now.
1.14 kristaps 458: * We keep these instanced between parsers, but set them
1.1 kristaps 459: * locally per parse routine since we can use different
460: * parsers with each one.
461: */
462:
463: if ( ! (curp->man || curp->mdoc))
464: pset(ln.buf + of, pos - of, curp);
465:
466: /*
467: * Lastly, push down into the parsers themselves. One
468: * of these will have already been set in the pset()
469: * routine.
470: * If libroff returns ROFF_TBL, then add it to the
471: * currently open parse. Since we only get here if
472: * there does exist data (see tbl_data.c), we're
473: * guaranteed that something's been allocated.
474: * Do the same for ROFF_EQN.
475: */
476:
477: rc = -1;
478:
479: if (ROFF_TBL == rr)
480: while (NULL != (span = roff_span(curp->roff))) {
481: rc = curp->man ?
482: man_addspan(curp->man, span) :
483: mdoc_addspan(curp->mdoc, span);
484: if (0 == rc)
485: break;
486: }
487: else if (ROFF_EQN == rr)
488: rc = curp->mdoc ?
489: mdoc_addeqn(curp->mdoc,
490: roff_eqn(curp->roff)) :
491: man_addeqn(curp->man,
492: roff_eqn(curp->roff));
493: else if (curp->man || curp->mdoc)
494: rc = curp->man ?
495: man_parseln(curp->man,
496: curp->line, ln.buf, of) :
497: mdoc_parseln(curp->mdoc,
498: curp->line, ln.buf, of);
499:
500: if (0 == rc) {
501: assert(MANDOCLEVEL_FATAL <= curp->file_status);
502: break;
503: }
504:
505: /* Temporary buffers typically are not full. */
506:
507: if (0 == start && '\0' == blk.buf[i])
508: break;
509:
510: /* Start the next input line. */
511:
512: pos = 0;
513: }
514:
515: free(ln.buf);
516: }
517:
518: static void
519: pdesc(struct mparse *curp, const char *file, int fd)
520: {
521: struct buf blk;
522: int with_mmap;
523:
524: /*
525: * Run for each opened file; may be called more than once for
526: * each full parse sequence if the opened file is nested (i.e.,
527: * from `so'). Simply sucks in the whole file and moves into
528: * the parse phase for the file.
529: */
530:
531: if ( ! read_whole_file(file, fd, &blk, &with_mmap)) {
532: curp->file_status = MANDOCLEVEL_SYSERR;
533: return;
534: }
535:
536: /* Line number is per-file. */
537:
538: curp->line = 1;
539:
540: mparse_buf_r(curp, blk, 1);
541:
1.15 kristaps 542: #ifdef HAVE_MMAP
1.1 kristaps 543: if (with_mmap)
544: munmap(blk.buf, blk.sz);
545: else
1.15 kristaps 546: #endif
1.1 kristaps 547: free(blk.buf);
548: }
549:
550: static int
551: read_whole_file(const char *file, int fd, struct buf *fb, int *with_mmap)
552: {
553: size_t off;
554: ssize_t ssz;
555:
1.15 kristaps 556: #ifdef HAVE_MMAP
557: struct stat st;
1.1 kristaps 558: if (-1 == fstat(fd, &st)) {
559: perror(file);
560: return(0);
561: }
562:
563: /*
564: * If we're a regular file, try just reading in the whole entry
565: * via mmap(). This is faster than reading it into blocks, and
566: * since each file is only a few bytes to begin with, I'm not
567: * concerned that this is going to tank any machines.
568: */
569:
570: if (S_ISREG(st.st_mode)) {
571: if (st.st_size >= (1U << 31)) {
572: fprintf(stderr, "%s: input too large\n", file);
573: return(0);
574: }
575: *with_mmap = 1;
576: fb->sz = (size_t)st.st_size;
577: fb->buf = mmap(NULL, fb->sz, PROT_READ,
578: MAP_FILE|MAP_SHARED, fd, 0);
579: if (fb->buf != MAP_FAILED)
580: return(1);
581: }
1.15 kristaps 582: #endif
1.1 kristaps 583:
584: /*
585: * If this isn't a regular file (like, say, stdin), then we must
586: * go the old way and just read things in bit by bit.
587: */
588:
589: *with_mmap = 0;
590: off = 0;
591: fb->sz = 0;
592: fb->buf = NULL;
593: for (;;) {
594: if (off == fb->sz) {
595: if (fb->sz == (1U << 31)) {
596: fprintf(stderr, "%s: input too large\n", file);
597: break;
598: }
599: resize_buf(fb, 65536);
600: }
601: ssz = read(fd, fb->buf + (int)off, fb->sz - off);
602: if (ssz == 0) {
603: fb->sz = off;
604: return(1);
605: }
606: if (ssz == -1) {
607: perror(file);
608: break;
609: }
610: off += (size_t)ssz;
611: }
612:
613: free(fb->buf);
614: fb->buf = NULL;
615: return(0);
616: }
617:
618: static void
619: mparse_end(struct mparse *curp)
620: {
621:
622: if (MANDOCLEVEL_FATAL <= curp->file_status)
623: return;
624:
625: if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) {
626: assert(MANDOCLEVEL_FATAL <= curp->file_status);
627: return;
628: }
629:
630: if (curp->man && ! man_endparse(curp->man)) {
631: assert(MANDOCLEVEL_FATAL <= curp->file_status);
632: return;
633: }
634:
635: if ( ! (curp->man || curp->mdoc)) {
1.6 kristaps 636: mandoc_msg(MANDOCERR_NOTMANUAL, curp, 1, 0, NULL);
1.1 kristaps 637: curp->file_status = MANDOCLEVEL_FATAL;
1.6 kristaps 638: return;
1.1 kristaps 639: }
640:
641: roff_endparse(curp->roff);
642: }
643:
644: static void
645: mparse_readfd_r(struct mparse *curp, int fd, const char *file, int re)
646: {
647: const char *svfile;
648:
649: if (-1 == fd)
650: if (-1 == (fd = open(file, O_RDONLY, 0))) {
651: perror(file);
652: curp->file_status = MANDOCLEVEL_SYSERR;
653: return;
654: }
655:
1.3 kristaps 656: svfile = curp->file;
657: curp->file = file;
1.1 kristaps 658:
659: pdesc(curp, file, fd);
660:
661: if (0 == re && MANDOCLEVEL_FATAL > curp->file_status)
662: mparse_end(curp);
663:
664: if (STDIN_FILENO != fd && -1 == close(fd))
665: perror(file);
666:
1.3 kristaps 667: curp->file = svfile;
1.1 kristaps 668: }
669:
670: enum mandoclevel
671: mparse_readfd(struct mparse *curp, int fd, const char *file)
672: {
673:
674: mparse_readfd_r(curp, fd, file, 0);
675: return(curp->file_status);
676: }
677:
678: struct mparse *
1.4 kristaps 679: mparse_alloc(enum mparset inttype, enum mandoclevel wlevel, mandocmsg mmsg, void *arg)
1.1 kristaps 680: {
681: struct mparse *curp;
1.10 kristaps 682:
683: assert(wlevel <= MANDOCLEVEL_FATAL);
1.1 kristaps 684:
685: curp = mandoc_calloc(1, sizeof(struct mparse));
686:
1.3 kristaps 687: curp->wlevel = wlevel;
1.1 kristaps 688: curp->mmsg = mmsg;
689: curp->arg = arg;
690: curp->inttype = inttype;
691:
1.18 kristaps 692: curp->roff = roff_alloc(curp);
1.1 kristaps 693: return(curp);
694: }
695:
696: void
697: mparse_reset(struct mparse *curp)
698: {
699:
700: roff_reset(curp->roff);
701:
702: if (curp->mdoc)
703: mdoc_reset(curp->mdoc);
704: if (curp->man)
705: man_reset(curp->man);
706:
707: curp->file_status = MANDOCLEVEL_OK;
708: curp->mdoc = NULL;
709: curp->man = NULL;
710: }
711:
712: void
713: mparse_free(struct mparse *curp)
714: {
715:
716: if (curp->pmdoc)
717: mdoc_free(curp->pmdoc);
718: if (curp->pman)
719: man_free(curp->pman);
720: if (curp->roff)
721: roff_free(curp->roff);
722:
723: free(curp);
724: }
725:
726: void
727: mparse_result(struct mparse *curp, struct mdoc **mdoc, struct man **man)
728: {
729:
1.9 kristaps 730: if (mdoc)
731: *mdoc = curp->mdoc;
732: if (man)
733: *man = curp->man;
1.3 kristaps 734: }
735:
736: void
737: mandoc_vmsg(enum mandocerr t, struct mparse *m,
738: int ln, int pos, const char *fmt, ...)
739: {
740: char buf[256];
741: va_list ap;
742:
743: va_start(ap, fmt);
744: vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
745: va_end(ap);
746:
747: mandoc_msg(t, m, ln, pos, buf);
748: }
749:
750: void
751: mandoc_msg(enum mandocerr er, struct mparse *m,
752: int ln, int col, const char *msg)
753: {
754: enum mandoclevel level;
755:
756: level = MANDOCLEVEL_FATAL;
757: while (er < mandoclimits[level])
758: level--;
759:
760: if (level < m->wlevel)
761: return;
762:
1.8 kristaps 763: if (m->mmsg)
764: (*m->mmsg)(er, level, m->file, ln, col, msg);
1.3 kristaps 765:
766: if (m->file_status < level)
767: m->file_status = level;
1.7 kristaps 768: }
769:
770: const char *
771: mparse_strerror(enum mandocerr er)
772: {
773:
774: return(mandocerrs[er]);
775: }
776:
777: const char *
778: mparse_strlevel(enum mandoclevel lvl)
779: {
780: return(mandoclevels[lvl]);
1.1 kristaps 781: }
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