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Annotation of mandoc/main.c, Revision 1.108

1.108   ! kristaps    1: /*     $Id: main.c,v 1.107 2010/09/27 09:26:27 kristaps Exp $ */
1.1       kristaps    2: /*
1.97      schwarze    3:  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
                      4:  * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
1.25      kristaps    7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    9:  *
1.25      kristaps   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.
1.1       kristaps   17:  */
1.58      kristaps   18: #ifdef HAVE_CONFIG_H
                     19: #include "config.h"
                     20: #endif
                     21:
1.66      kristaps   22: #include <sys/mman.h>
1.1       kristaps   23: #include <sys/stat.h>
                     24:
                     25: #include <assert.h>
1.99      kristaps   26: #include <ctype.h>
1.1       kristaps   27: #include <fcntl.h>
                     28: #include <stdio.h>
1.45      kristaps   29: #include <stdint.h>
1.1       kristaps   30: #include <stdlib.h>
                     31: #include <string.h>
                     32: #include <unistd.h>
                     33:
1.71      kristaps   34: #include "mandoc.h"
1.90      kristaps   35: #include "main.h"
1.1       kristaps   36: #include "mdoc.h"
1.10      kristaps   37: #include "man.h"
1.71      kristaps   38: #include "roff.h"
1.101     joerg      39:
                     40: #ifndef MAP_FILE
                     41: #define        MAP_FILE        0
                     42: #endif
1.1       kristaps   43:
1.45      kristaps   44: #define        UNCONST(a)      ((void *)(uintptr_t)(const void *)(a))
                     45:
1.55      kristaps   46: /* FIXME: Intel's compiler?  LLVM?  pcc?  */
                     47:
                     48: #if !defined(__GNUC__) || (__GNUC__ < 2)
1.56      kristaps   49: # if !defined(lint)
                     50: #  define __attribute__(x)
                     51: # endif
1.55      kristaps   52: #endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
1.16      kristaps   53:
1.42      kristaps   54: typedef        void            (*out_mdoc)(void *, const struct mdoc *);
                     55: typedef        void            (*out_man)(void *, const struct man *);
1.22      kristaps   56: typedef        void            (*out_free)(void *);
                     57:
1.5       kristaps   58: struct buf {
                     59:        char             *buf;
                     60:        size_t            sz;
                     61: };
                     62:
1.19      kristaps   63: enum   intt {
                     64:        INTT_AUTO,
                     65:        INTT_MDOC,
                     66:        INTT_MAN
                     67: };
                     68:
                     69: enum   outt {
                     70:        OUTT_ASCII = 0,
                     71:        OUTT_TREE,
1.43      kristaps   72:        OUTT_HTML,
1.59      kristaps   73:        OUTT_XHTML,
1.85      kristaps   74:        OUTT_LINT,
1.100     kristaps   75:        OUTT_PS,
                     76:        OUTT_PDF
1.19      kristaps   77: };
                     78:
1.5       kristaps   79: struct curparse {
1.22      kristaps   80:        const char       *file;         /* Current parse. */
                     81:        int               fd;           /* Current parse. */
1.103     schwarze   82:        enum mandoclevel  wlevel;       /* Ignore messages below this. */
                     83:        int               wstop;        /* Stop after a file with a warning. */
1.79      kristaps   84:        enum intt         inttype;      /* which parser to use */
                     85:        struct man       *man;          /* man parser */
                     86:        struct mdoc      *mdoc;         /* mdoc parser */
                     87:        struct roff      *roff;         /* roff parser (!NULL) */
1.92      kristaps   88:        struct regset     regs;         /* roff registers */
1.79      kristaps   89:        enum outt         outtype;      /* which output to use */
                     90:        out_mdoc          outmdoc;      /* mdoc output ptr */
                     91:        out_man           outman;       /* man output ptr */
                     92:        out_free          outfree;      /* free output ptr */
                     93:        void             *outdata;      /* data for output */
                     94:        char              outopts[BUFSIZ]; /* buf of output opts */
                     95: };
                     96:
1.103     schwarze   97: static const char * const      mandoclevels[MANDOCLEVEL_MAX] = {
                     98:        "SUCCESS",
                     99:        "RESERVED",
                    100:        "WARNING",
                    101:        "ERROR",
                    102:        "FATAL",
                    103:        "BADARG",
                    104:        "SYSERR"
                    105: };
                    106:
                    107: static const enum mandocerr    mandoclimits[MANDOCLEVEL_MAX] = {
                    108:        MANDOCERR_OK,
                    109:        MANDOCERR_WARNING,
                    110:        MANDOCERR_WARNING,
                    111:        MANDOCERR_ERROR,
                    112:        MANDOCERR_FATAL,
                    113:        MANDOCERR_MAX,
                    114:        MANDOCERR_MAX
                    115: };
                    116:
1.79      kristaps  117: static const char * const      mandocerrs[MANDOCERR_MAX] = {
                    118:        "ok",
1.94      schwarze  119:
                    120:        "generic warning",
                    121:
1.79      kristaps  122:        "text should be uppercase",
1.81      kristaps  123:        "sections out of conventional order",
1.79      kristaps  124:        "section name repeats",
                    125:        "out of order prologue",
                    126:        "repeated prologue entry",
                    127:        "list type must come first",
                    128:        "bad standard",
                    129:        "bad library",
1.99      kristaps  130:        "tab in non-literal context",
1.79      kristaps  131:        "bad escape sequence",
                    132:        "unterminated quoted string",
                    133:        "argument requires the width argument",
                    134:        "superfluous width argument",
                    135:        "bad date argument",
                    136:        "bad width argument",
1.81      kristaps  137:        "unknown manual section",
1.79      kristaps  138:        "section not in conventional manual section",
                    139:        "end of line whitespace",
1.95      schwarze  140:        "blocks badly nested",
1.94      schwarze  141:
                    142:        "generic error",
                    143:
1.79      kristaps  144:        "NAME section must come first",
                    145:        "bad Boolean value",
                    146:        "child violates parent syntax",
                    147:        "bad AT&T symbol",
                    148:        "list type repeated",
                    149:        "display type repeated",
                    150:        "argument repeated",
1.108   ! kristaps  151:        "ignoring argument",
1.79      kristaps  152:        "manual name not yet set",
                    153:        "obsolete macro ignored",
                    154:        "empty macro ignored",
                    155:        "macro not allowed in body",
                    156:        "macro not allowed in prologue",
                    157:        "bad character",
                    158:        "bad NAME section contents",
                    159:        "no blank lines",
                    160:        "no text in this context",
                    161:        "bad comment style",
                    162:        "unknown macro will be lost",
                    163:        "line scope broken",
                    164:        "argument count wrong",
                    165:        "request scope close w/none open",
                    166:        "scope already open",
1.106     schwarze  167:        "scope open on exit",
1.79      kristaps  168:        "macro requires line argument(s)",
                    169:        "macro requires body argument(s)",
                    170:        "macro requires argument(s)",
                    171:        "no title in document",
1.82      kristaps  172:        "missing list type",
1.87      kristaps  173:        "missing display type",
1.96      kristaps  174:        "missing font type",
1.79      kristaps  175:        "line argument(s) will be lost",
                    176:        "body argument(s) will be lost",
1.107     kristaps  177:        "paragraph macro ignored",
1.94      schwarze  178:
                    179:        "generic fatal error",
                    180:
1.80      kristaps  181:        "column syntax is inconsistent",
1.79      kristaps  182:        "displays may not be nested",
1.87      kristaps  183:        "unsupported display type",
1.95      schwarze  184:        "blocks badly nested",
                    185:        "no such block is open",
1.79      kristaps  186:        "line scope broken, syntax violated",
                    187:        "argument count wrong, violates syntax",
                    188:        "child violates parent syntax",
                    189:        "argument count wrong, violates syntax",
                    190:        "no document body",
                    191:        "no document prologue",
                    192:        "utsname system call failed",
1.103     schwarze  193:        "static buffer exhausted",
1.5       kristaps  194: };
1.1       kristaps  195:
1.66      kristaps  196: static void              fdesc(struct curparse *);
                    197: static void              ffile(const char *, struct curparse *);
1.10      kristaps  198: static int               moptions(enum intt *, char *);
1.71      kristaps  199: static int               mmsg(enum mandocerr, void *,
                    200:                                int, int, const char *);
1.103     schwarze  201: static void              pset(const char *, int, struct curparse *,
1.19      kristaps  202:                                struct man **, struct mdoc **);
1.66      kristaps  203: static int               toptions(struct curparse *, char *);
                    204: static void              usage(void) __attribute__((noreturn));
1.55      kristaps  205: static void              version(void) __attribute__((noreturn));
1.103     schwarze  206: static int               woptions(struct curparse *, char *);
1.1       kristaps  207:
1.54      kristaps  208: static const char       *progname;
1.103     schwarze  209: static enum mandoclevel  exit_status = MANDOCLEVEL_OK;
1.1       kristaps  210:
                    211: int
                    212: main(int argc, char *argv[])
                    213: {
1.64      kristaps  214:        int              c;
1.5       kristaps  215:        struct curparse  curp;
1.1       kristaps  216:
1.54      kristaps  217:        progname = strrchr(argv[0], '/');
                    218:        if (progname == NULL)
                    219:                progname = argv[0];
                    220:        else
                    221:                ++progname;
                    222:
1.51      kristaps  223:        memset(&curp, 0, sizeof(struct curparse));
1.5       kristaps  224:
1.19      kristaps  225:        curp.inttype = INTT_AUTO;
1.22      kristaps  226:        curp.outtype = OUTT_ASCII;
1.103     schwarze  227:        curp.wlevel  = MANDOCLEVEL_FATAL;
1.19      kristaps  228:
1.1       kristaps  229:        /* LINTED */
1.103     schwarze  230:        while (-1 != (c = getopt(argc, argv, "m:O:T:VW:")))
1.1       kristaps  231:                switch (c) {
1.10      kristaps  232:                case ('m'):
1.19      kristaps  233:                        if ( ! moptions(&curp.inttype, optarg))
1.105     kristaps  234:                                return((int)MANDOCLEVEL_BADARG);
1.10      kristaps  235:                        break;
1.48      kristaps  236:                case ('O'):
1.49      kristaps  237:                        (void)strlcat(curp.outopts, optarg, BUFSIZ);
                    238:                        (void)strlcat(curp.outopts, ",", BUFSIZ);
1.44      kristaps  239:                        break;
1.1       kristaps  240:                case ('T'):
1.60      kristaps  241:                        if ( ! toptions(&curp, optarg))
1.105     kristaps  242:                                return((int)MANDOCLEVEL_BADARG);
1.1       kristaps  243:                        break;
                    244:                case ('W'):
1.103     schwarze  245:                        if ( ! woptions(&curp, optarg))
1.105     kristaps  246:                                return((int)MANDOCLEVEL_BADARG);
1.1       kristaps  247:                        break;
                    248:                case ('V'):
                    249:                        version();
                    250:                        /* NOTREACHED */
                    251:                default:
                    252:                        usage();
                    253:                        /* NOTREACHED */
                    254:                }
                    255:
                    256:        argc -= optind;
                    257:        argv += optind;
                    258:
1.30      kristaps  259:        if (NULL == *argv) {
                    260:                curp.file = "<stdin>";
                    261:                curp.fd = STDIN_FILENO;
1.39      kristaps  262:
1.66      kristaps  263:                fdesc(&curp);
1.64      kristaps  264:        }
                    265:
                    266:        while (*argv) {
1.66      kristaps  267:                ffile(*argv, &curp);
1.103     schwarze  268:                if (MANDOCLEVEL_OK != exit_status && curp.wstop)
1.64      kristaps  269:                        break;
                    270:                ++argv;
1.1       kristaps  271:        }
                    272:
1.22      kristaps  273:        if (curp.outfree)
                    274:                (*curp.outfree)(curp.outdata);
1.71      kristaps  275:        if (curp.mdoc)
                    276:                mdoc_free(curp.mdoc);
                    277:        if (curp.man)
                    278:                man_free(curp.man);
                    279:        if (curp.roff)
                    280:                roff_free(curp.roff);
1.1       kristaps  281:
1.105     kristaps  282:        return((int)exit_status);
1.1       kristaps  283: }
                    284:
                    285:
1.55      kristaps  286: static void
1.1       kristaps  287: version(void)
                    288: {
                    289:
1.54      kristaps  290:        (void)printf("%s %s\n", progname, VERSION);
1.105     kristaps  291:        exit((int)MANDOCLEVEL_OK);
1.1       kristaps  292: }
                    293:
                    294:
1.55      kristaps  295: static void
1.1       kristaps  296: usage(void)
                    297: {
                    298:
1.61      kristaps  299:        (void)fprintf(stderr, "usage: %s [-V] [-foption] "
1.48      kristaps  300:                        "[-mformat] [-Ooption] [-Toutput] "
1.61      kristaps  301:                        "[-Werr] [file...]\n", progname);
1.105     kristaps  302:        exit((int)MANDOCLEVEL_BADARG);
1.19      kristaps  303: }
                    304:
                    305:
1.64      kristaps  306: static void
1.66      kristaps  307: ffile(const char *file, struct curparse *curp)
1.1       kristaps  308: {
                    309:
1.19      kristaps  310:        curp->file = file;
                    311:        if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
1.53      kristaps  312:                perror(curp->file);
1.103     schwarze  313:                exit_status = MANDOCLEVEL_SYSERR;
1.64      kristaps  314:                return;
1.1       kristaps  315:        }
                    316:
1.66      kristaps  317:        fdesc(curp);
1.1       kristaps  318:
1.19      kristaps  319:        if (-1 == close(curp->fd))
1.53      kristaps  320:                perror(curp->file);
1.1       kristaps  321: }
                    322:
                    323:
1.103     schwarze  324: static void
1.68      joerg     325: resize_buf(struct buf *buf, size_t initial)
                    326: {
                    327:
1.103     schwarze  328:        buf->sz = buf->sz ? 2 * buf->sz : initial;
                    329:        buf->buf = realloc(buf->buf, buf->sz);
                    330:        if (NULL == buf->buf) {
1.68      joerg     331:                perror(NULL);
1.105     kristaps  332:                exit((int)MANDOCLEVEL_SYSERR);
1.68      joerg     333:        }
                    334: }
                    335:
                    336:
                    337: static int
1.66      kristaps  338: read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap)
                    339: {
                    340:        struct stat      st;
1.68      joerg     341:        size_t           off;
1.66      kristaps  342:        ssize_t          ssz;
                    343:
                    344:        if (-1 == fstat(curp->fd, &st)) {
                    345:                perror(curp->file);
                    346:                return(0);
                    347:        }
                    348:
                    349:        /*
                    350:         * If we're a regular file, try just reading in the whole entry
                    351:         * via mmap().  This is faster than reading it into blocks, and
                    352:         * since each file is only a few bytes to begin with, I'm not
                    353:         * concerned that this is going to tank any machines.
                    354:         */
                    355:
                    356:        if (S_ISREG(st.st_mode)) {
                    357:                if (st.st_size >= (1U << 31)) {
                    358:                        fprintf(stderr, "%s: input too large\n",
                    359:                                        curp->file);
                    360:                        return(0);
                    361:                }
                    362:                *with_mmap = 1;
1.71      kristaps  363:                fb->sz = (size_t)st.st_size;
1.66      kristaps  364:                fb->buf = mmap(NULL, fb->sz, PROT_READ,
1.83      joerg     365:                                MAP_FILE|MAP_SHARED, curp->fd, 0);
1.66      kristaps  366:                if (fb->buf != MAP_FAILED)
                    367:                        return(1);
                    368:        }
                    369:
                    370:        /*
                    371:         * If this isn't a regular file (like, say, stdin), then we must
                    372:         * go the old way and just read things in bit by bit.
                    373:         */
                    374:
                    375:        *with_mmap = 0;
                    376:        off = 0;
                    377:        fb->sz = 0;
                    378:        fb->buf = NULL;
                    379:        for (;;) {
                    380:                if (off == fb->sz) {
                    381:                        if (fb->sz == (1U << 31)) {
                    382:                                fprintf(stderr, "%s: input too large\n",
                    383:                                                curp->file);
                    384:                                break;
                    385:                        }
1.103     schwarze  386:                        resize_buf(fb, 65536);
1.66      kristaps  387:                }
1.71      kristaps  388:                ssz = read(curp->fd, fb->buf + (int)off, fb->sz - off);
1.66      kristaps  389:                if (ssz == 0) {
                    390:                        fb->sz = off;
                    391:                        return(1);
                    392:                }
                    393:                if (ssz == -1) {
                    394:                        perror(curp->file);
                    395:                        break;
                    396:                }
1.71      kristaps  397:                off += (size_t)ssz;
1.66      kristaps  398:        }
                    399:
                    400:        free(fb->buf);
                    401:        fb->buf = NULL;
                    402:        return(0);
                    403: }
                    404:
                    405:
1.64      kristaps  406: static void
1.66      kristaps  407: fdesc(struct curparse *curp)
1.1       kristaps  408: {
1.66      kristaps  409:        struct buf       ln, blk;
1.76      kristaps  410:        int              i, pos, lnn, lnn_start, with_mmap, of;
1.71      kristaps  411:        enum rofferr     re;
1.102     schwarze  412:        unsigned char    c;
1.19      kristaps  413:        struct man      *man;
                    414:        struct mdoc     *mdoc;
1.71      kristaps  415:        struct roff     *roff;
1.10      kristaps  416:
1.19      kristaps  417:        man = NULL;
                    418:        mdoc = NULL;
1.71      kristaps  419:        roff = NULL;
1.92      kristaps  420:
1.66      kristaps  421:        memset(&ln, 0, sizeof(struct buf));
1.1       kristaps  422:
                    423:        /*
1.70      joerg     424:         * Two buffers: ln and buf.  buf is the input file and may be
                    425:         * memory mapped.  ln is a line buffer and grows on-demand.
1.1       kristaps  426:         */
                    427:
1.103     schwarze  428:        if ( ! read_whole_file(curp, &blk, &with_mmap)) {
                    429:                exit_status = MANDOCLEVEL_SYSERR;
1.64      kristaps  430:                return;
1.103     schwarze  431:        }
1.1       kristaps  432:
1.71      kristaps  433:        if (NULL == curp->roff)
1.103     schwarze  434:                curp->roff = roff_alloc(&curp->regs, curp, mmsg);
                    435:        assert(curp->roff);
                    436:        roff = curp->roff;
1.71      kristaps  437:
1.70      joerg     438:        for (i = 0, lnn = 1; i < (int)blk.sz;) {
                    439:                pos = 0;
                    440:                lnn_start = lnn;
                    441:                while (i < (int)blk.sz) {
                    442:                        if ('\n' == blk.buf[i]) {
                    443:                                ++i;
                    444:                                ++lnn;
                    445:                                break;
                    446:                        }
1.99      kristaps  447:
                    448:                        /*
                    449:                         * Warn about bogus characters.  If you're using
                    450:                         * non-ASCII encoding, you're screwing your
                    451:                         * readers.  Since I'd rather this not happen,
                    452:                         * I'll be helpful and drop these characters so
                    453:                         * we don't display gibberish.  Note to manual
                    454:                         * writers: use special characters.
                    455:                         */
                    456:
1.102     schwarze  457:                        c = (unsigned char) blk.buf[i];
                    458:                        if ( ! (isascii(c) && (isgraph(c) || isblank(c)))) {
1.103     schwarze  459:                                mmsg(MANDOCERR_BADCHAR, curp,
                    460:                                    lnn_start, pos, "ignoring byte");
1.99      kristaps  461:                                i++;
                    462:                                continue;
                    463:                        }
                    464:
1.70      joerg     465:                        /* Trailing backslash is like a plain character. */
                    466:                        if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
                    467:                                if (pos >= (int)ln.sz)
1.103     schwarze  468:                                        resize_buf(&ln, 256);
1.70      joerg     469:                                ln.buf[pos++] = blk.buf[i++];
1.67      joerg     470:                                continue;
1.70      joerg     471:                        }
                    472:                        /* Found an escape and at least one other character. */
                    473:                        if ('\n' == blk.buf[i + 1]) {
                    474:                                /* Escaped newlines are skipped over */
                    475:                                i += 2;
                    476:                                ++lnn;
1.67      joerg     477:                                continue;
                    478:                        }
1.70      joerg     479:                        if ('"' == blk.buf[i + 1]) {
                    480:                                i += 2;
                    481:                                /* Comment, skip to end of line */
                    482:                                for (; i < (int)blk.sz; ++i) {
                    483:                                        if ('\n' == blk.buf[i]) {
                    484:                                                ++i;
                    485:                                                ++lnn;
                    486:                                                break;
                    487:                                        }
                    488:                                }
                    489:                                /* Backout trailing whitespaces */
                    490:                                for (; pos > 0; --pos) {
                    491:                                        if (ln.buf[pos - 1] != ' ')
                    492:                                                break;
                    493:                                        if (pos > 2 && ln.buf[pos - 2] == '\\')
                    494:                                                break;
                    495:                                }
                    496:                                break;
                    497:                        }
                    498:                        /* Some other escape sequence, copy and continue. */
                    499:                        if (pos + 1 >= (int)ln.sz)
1.103     schwarze  500:                                resize_buf(&ln, 256);
1.1       kristaps  501:
1.70      joerg     502:                        ln.buf[pos++] = blk.buf[i++];
                    503:                        ln.buf[pos++] = blk.buf[i++];
1.67      joerg     504:                }
1.1       kristaps  505:
1.70      joerg     506:                if (pos >= (int)ln.sz)
1.103     schwarze  507:                        resize_buf(&ln, 256);
1.71      kristaps  508:                ln.buf[pos] = '\0';
                    509:
1.76      kristaps  510:                /*
                    511:                 * A significant amount of complexity is contained by
                    512:                 * the roff preprocessor.  It's line-oriented but can be
                    513:                 * expressed on one line, so we need at times to
                    514:                 * readjust our starting point and re-run it.  The roff
                    515:                 * preprocessor can also readjust the buffers with new
                    516:                 * data, so we pass them in wholesale.
                    517:                 */
                    518:
                    519:                of = 0;
                    520:                do {
1.92      kristaps  521:                        re = roff_parseln(roff, lnn_start,
1.76      kristaps  522:                                        &ln.buf, &ln.sz, of, &of);
                    523:                } while (ROFF_RERUN == re);
                    524:
1.103     schwarze  525:                if (ROFF_IGN == re) {
1.71      kristaps  526:                        continue;
1.103     schwarze  527:                } else if (ROFF_ERR == re) {
                    528:                        assert(MANDOCLEVEL_FATAL <= exit_status);
                    529:                        goto cleanup;
                    530:                }
1.29      kristaps  531:
1.76      kristaps  532:                /*
                    533:                 * If input parsers have not been allocated, do so now.
                    534:                 * We keep these instanced betwen parsers, but set them
                    535:                 * locally per parse routine since we can use different
                    536:                 * parsers with each one.
                    537:                 */
1.19      kristaps  538:
1.76      kristaps  539:                if ( ! (man || mdoc))
1.103     schwarze  540:                        pset(ln.buf + of, pos - of, curp, &man, &mdoc);
1.19      kristaps  541:
1.76      kristaps  542:                /* Lastly, push down into the parsers themselves. */
1.30      kristaps  543:
1.103     schwarze  544:                if (man && ! man_parseln(man, lnn_start, ln.buf, of)) {
                    545:                        assert(MANDOCLEVEL_FATAL <= exit_status);
                    546:                        goto cleanup;
                    547:                }
                    548:                if (mdoc && ! mdoc_parseln(mdoc, lnn_start, ln.buf, of)) {
                    549:                        assert(MANDOCLEVEL_FATAL <= exit_status);
                    550:                        goto cleanup;
                    551:                }
1.1       kristaps  552:        }
                    553:
1.29      kristaps  554:        /* NOTE a parser may not have been assigned, yet. */
1.19      kristaps  555:
1.22      kristaps  556:        if ( ! (man || mdoc)) {
1.53      kristaps  557:                fprintf(stderr, "%s: Not a manual\n", curp->file);
1.103     schwarze  558:                exit_status = MANDOCLEVEL_FATAL;
                    559:                goto cleanup;
1.22      kristaps  560:        }
1.76      kristaps  561:
                    562:        /* Clean up the parse routine ASTs. */
1.22      kristaps  563:
1.103     schwarze  564:        if (mdoc && ! mdoc_endparse(mdoc)) {
                    565:                assert(MANDOCLEVEL_FATAL <= exit_status);
                    566:                goto cleanup;
                    567:        }
                    568:        if (man && ! man_endparse(man)) {
                    569:                assert(MANDOCLEVEL_FATAL <= exit_status);
                    570:                goto cleanup;
                    571:        }
                    572:        if (roff && ! roff_endparse(roff)) {
                    573:                assert(MANDOCLEVEL_FATAL <= exit_status);
                    574:                goto cleanup;
                    575:        }
1.104     schwarze  576:
                    577:        /*
                    578:         * With -Wstop and warnings or errors of at least
                    579:         * the requested level, do not produce output.
                    580:         */
                    581:
                    582:        if (MANDOCLEVEL_OK != exit_status && curp->wstop)
                    583:                goto cleanup;
1.19      kristaps  584:
1.29      kristaps  585:        /* If unset, allocate output dev now (if applicable). */
1.22      kristaps  586:
                    587:        if ( ! (curp->outman && curp->outmdoc)) {
                    588:                switch (curp->outtype) {
1.59      kristaps  589:                case (OUTT_XHTML):
                    590:                        curp->outdata = xhtml_alloc(curp->outopts);
                    591:                        break;
1.43      kristaps  592:                case (OUTT_HTML):
1.44      kristaps  593:                        curp->outdata = html_alloc(curp->outopts);
1.85      kristaps  594:                        break;
                    595:                case (OUTT_ASCII):
                    596:                        curp->outdata = ascii_alloc(curp->outopts);
1.86      kristaps  597:                        curp->outfree = ascii_free;
1.85      kristaps  598:                        break;
1.100     kristaps  599:                case (OUTT_PDF):
                    600:                        curp->outdata = pdf_alloc(curp->outopts);
                    601:                        curp->outfree = pspdf_free;
                    602:                        break;
1.85      kristaps  603:                case (OUTT_PS):
1.93      kristaps  604:                        curp->outdata = ps_alloc(curp->outopts);
1.100     kristaps  605:                        curp->outfree = pspdf_free;
1.85      kristaps  606:                        break;
                    607:                default:
                    608:                        break;
                    609:                }
                    610:
                    611:                switch (curp->outtype) {
                    612:                case (OUTT_HTML):
                    613:                        /* FALLTHROUGH */
                    614:                case (OUTT_XHTML):
1.43      kristaps  615:                        curp->outman = html_man;
                    616:                        curp->outmdoc = html_mdoc;
                    617:                        curp->outfree = html_free;
                    618:                        break;
1.22      kristaps  619:                case (OUTT_TREE):
                    620:                        curp->outman = tree_man;
                    621:                        curp->outmdoc = tree_mdoc;
                    622:                        break;
1.100     kristaps  623:                case (OUTT_PDF):
                    624:                        /* FALLTHROUGH */
1.85      kristaps  625:                case (OUTT_ASCII):
                    626:                        /* FALLTHROUGH */
                    627:                case (OUTT_PS):
1.22      kristaps  628:                        curp->outman = terminal_man;
                    629:                        curp->outmdoc = terminal_mdoc;
                    630:                        break;
1.85      kristaps  631:                default:
                    632:                        break;
1.22      kristaps  633:                }
                    634:        }
                    635:
                    636:        /* Execute the out device, if it exists. */
                    637:
                    638:        if (man && curp->outman)
1.42      kristaps  639:                (*curp->outman)(curp->outdata, man);
1.22      kristaps  640:        if (mdoc && curp->outmdoc)
1.42      kristaps  641:                (*curp->outmdoc)(curp->outdata, mdoc);
1.22      kristaps  642:
1.64      kristaps  643:  cleanup:
1.92      kristaps  644:        memset(&curp->regs, 0, sizeof(struct regset));
1.71      kristaps  645:        if (mdoc)
                    646:                mdoc_reset(mdoc);
                    647:        if (man)
                    648:                man_reset(man);
                    649:        if (roff)
                    650:                roff_reset(roff);
1.66      kristaps  651:        if (ln.buf)
                    652:                free(ln.buf);
                    653:        if (with_mmap)
                    654:                munmap(blk.buf, blk.sz);
                    655:        else
                    656:                free(blk.buf);
1.71      kristaps  657:
1.64      kristaps  658:        return;
1.19      kristaps  659: }
                    660:
                    661:
1.103     schwarze  662: static void
1.22      kristaps  663: pset(const char *buf, int pos, struct curparse *curp,
1.19      kristaps  664:                struct man **man, struct mdoc **mdoc)
                    665: {
1.29      kristaps  666:        int              i;
1.19      kristaps  667:
                    668:        /*
                    669:         * Try to intuit which kind of manual parser should be used.  If
                    670:         * passed in by command-line (-man, -mdoc), then use that
                    671:         * explicitly.  If passed as -mandoc, then try to guess from the
1.30      kristaps  672:         * line: either skip dot-lines, use -mdoc when finding `.Dt', or
1.19      kristaps  673:         * default to -man, which is more lenient.
                    674:         */
                    675:
1.75      kristaps  676:        if ('.' == buf[0] || '\'' == buf[0]) {
1.29      kristaps  677:                for (i = 1; buf[i]; i++)
                    678:                        if (' ' != buf[i] && '\t' != buf[i])
                    679:                                break;
1.103     schwarze  680:                if ('\0' == buf[i])
                    681:                        return;
1.29      kristaps  682:        }
1.10      kristaps  683:
1.19      kristaps  684:        switch (curp->inttype) {
                    685:        case (INTT_MDOC):
                    686:                if (NULL == curp->mdoc)
1.103     schwarze  687:                        curp->mdoc = mdoc_alloc(&curp->regs, curp, mmsg);
                    688:                assert(curp->mdoc);
                    689:                *mdoc = curp->mdoc;
                    690:                return;
1.19      kristaps  691:        case (INTT_MAN):
                    692:                if (NULL == curp->man)
1.103     schwarze  693:                        curp->man = man_alloc(&curp->regs, curp, mmsg);
                    694:                assert(curp->man);
                    695:                *man = curp->man;
                    696:                return;
1.19      kristaps  697:        default:
                    698:                break;
                    699:        }
                    700:
                    701:        if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3))  {
                    702:                if (NULL == curp->mdoc)
1.103     schwarze  703:                        curp->mdoc = mdoc_alloc(&curp->regs, curp, mmsg);
                    704:                assert(curp->mdoc);
                    705:                *mdoc = curp->mdoc;
                    706:                return;
1.19      kristaps  707:        }
                    708:
                    709:        if (NULL == curp->man)
1.103     schwarze  710:                curp->man = man_alloc(&curp->regs, curp, mmsg);
                    711:        assert(curp->man);
                    712:        *man = curp->man;
1.10      kristaps  713: }
                    714:
                    715:
                    716: static int
                    717: moptions(enum intt *tflags, char *arg)
                    718: {
                    719:
1.17      kristaps  720:        if (0 == strcmp(arg, "doc"))
1.10      kristaps  721:                *tflags = INTT_MDOC;
1.19      kristaps  722:        else if (0 == strcmp(arg, "andoc"))
                    723:                *tflags = INTT_AUTO;
1.17      kristaps  724:        else if (0 == strcmp(arg, "an"))
1.10      kristaps  725:                *tflags = INTT_MAN;
                    726:        else {
1.57      kristaps  727:                fprintf(stderr, "%s: Bad argument\n", arg);
1.10      kristaps  728:                return(0);
                    729:        }
                    730:
                    731:        return(1);
1.1       kristaps  732: }
                    733:
                    734:
                    735: static int
1.60      kristaps  736: toptions(struct curparse *curp, char *arg)
1.1       kristaps  737: {
                    738:
                    739:        if (0 == strcmp(arg, "ascii"))
1.60      kristaps  740:                curp->outtype = OUTT_ASCII;
                    741:        else if (0 == strcmp(arg, "lint")) {
                    742:                curp->outtype = OUTT_LINT;
1.103     schwarze  743:                curp->wlevel  = MANDOCLEVEL_WARNING;
1.60      kristaps  744:        }
1.1       kristaps  745:        else if (0 == strcmp(arg, "tree"))
1.60      kristaps  746:                curp->outtype = OUTT_TREE;
1.43      kristaps  747:        else if (0 == strcmp(arg, "html"))
1.60      kristaps  748:                curp->outtype = OUTT_HTML;
1.59      kristaps  749:        else if (0 == strcmp(arg, "xhtml"))
1.60      kristaps  750:                curp->outtype = OUTT_XHTML;
1.85      kristaps  751:        else if (0 == strcmp(arg, "ps"))
                    752:                curp->outtype = OUTT_PS;
1.100     kristaps  753:        else if (0 == strcmp(arg, "pdf"))
                    754:                curp->outtype = OUTT_PDF;
1.1       kristaps  755:        else {
1.57      kristaps  756:                fprintf(stderr, "%s: Bad argument\n", arg);
1.1       kristaps  757:                return(0);
                    758:        }
                    759:
                    760:        return(1);
                    761: }
                    762:
                    763:
                    764: static int
1.103     schwarze  765: woptions(struct curparse *curp, char *arg)
1.1       kristaps  766: {
1.34      kristaps  767:        char            *v, *o;
1.103     schwarze  768:        const char      *toks[6];
1.1       kristaps  769:
1.103     schwarze  770:        toks[0] = "stop";
                    771:        toks[1] = "all";
                    772:        toks[2] = "warning";
                    773:        toks[3] = "error";
                    774:        toks[4] = "fatal";
                    775:        toks[5] = NULL;
1.1       kristaps  776:
1.34      kristaps  777:        while (*arg) {
                    778:                o = arg;
1.45      kristaps  779:                switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.1       kristaps  780:                case (0):
1.103     schwarze  781:                        curp->wstop = 1;
1.1       kristaps  782:                        break;
                    783:                case (1):
1.103     schwarze  784:                        /* FALLTHROUGH */
1.1       kristaps  785:                case (2):
1.103     schwarze  786:                        curp->wlevel = MANDOCLEVEL_WARNING;
1.1       kristaps  787:                        break;
1.20      kristaps  788:                case (3):
1.103     schwarze  789:                        curp->wlevel = MANDOCLEVEL_ERROR;
1.24      kristaps  790:                        break;
                    791:                case (4):
1.103     schwarze  792:                        curp->wlevel = MANDOCLEVEL_FATAL;
1.50      kristaps  793:                        break;
1.1       kristaps  794:                default:
1.103     schwarze  795:                        fprintf(stderr, "-W%s: Bad argument\n", o);
1.1       kristaps  796:                        return(0);
                    797:                }
1.34      kristaps  798:        }
1.1       kristaps  799:
                    800:        return(1);
                    801: }
                    802:
                    803:
1.71      kristaps  804: static int
                    805: mmsg(enum mandocerr t, void *arg, int ln, int col, const char *msg)
                    806: {
                    807:        struct curparse *cp;
1.103     schwarze  808:        enum mandoclevel level;
                    809:
                    810:        level = MANDOCLEVEL_FATAL;
                    811:        while (t < mandoclimits[level])
1.105     kristaps  812:                /* LINTED */
1.103     schwarze  813:                level--;
1.71      kristaps  814:
                    815:        cp = (struct curparse *)arg;
1.103     schwarze  816:        if (level < cp->wlevel)
                    817:                return(1);
1.73      kristaps  818:
1.103     schwarze  819:        fprintf(stderr, "%s:%d:%d: %s: %s",
                    820:            cp->file, ln, col + 1, mandoclevels[level], mandocerrs[t]);
1.73      kristaps  821:        if (msg)
                    822:                fprintf(stderr, ": %s", msg);
                    823:        fputc('\n', stderr);
1.79      kristaps  824:
1.103     schwarze  825:        if (exit_status < level)
                    826:                exit_status = level;
                    827:
                    828:        return(level < MANDOCLEVEL_FATAL);
1.71      kristaps  829: }

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