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Annotation of mandoc/main.c, Revision 1.109

1.109   ! kristaps    1: /*     $Id: main.c,v 1.108 2010/10/11 15:46:19 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",
1.99      kristaps  128:        "tab in non-literal context",
1.79      kristaps  129:        "bad escape sequence",
                    130:        "unterminated quoted string",
                    131:        "argument requires the width argument",
                    132:        "superfluous width argument",
                    133:        "bad date argument",
                    134:        "bad width argument",
1.81      kristaps  135:        "unknown manual section",
1.79      kristaps  136:        "section not in conventional manual section",
                    137:        "end of line whitespace",
1.95      schwarze  138:        "blocks badly nested",
1.94      schwarze  139:
                    140:        "generic error",
                    141:
1.79      kristaps  142:        "NAME section must come first",
                    143:        "bad Boolean value",
                    144:        "child violates parent syntax",
                    145:        "bad AT&T symbol",
1.109   ! kristaps  146:        "bad standard",
1.79      kristaps  147:        "list type repeated",
                    148:        "display type repeated",
                    149:        "argument repeated",
1.108     kristaps  150:        "ignoring argument",
1.79      kristaps  151:        "manual name not yet set",
                    152:        "obsolete macro ignored",
                    153:        "empty macro ignored",
                    154:        "macro not allowed in body",
                    155:        "macro not allowed in prologue",
                    156:        "bad character",
                    157:        "bad NAME section contents",
                    158:        "no blank lines",
                    159:        "no text in this context",
                    160:        "bad comment style",
                    161:        "unknown macro will be lost",
                    162:        "line scope broken",
                    163:        "argument count wrong",
                    164:        "request scope close w/none open",
                    165:        "scope already open",
1.106     schwarze  166:        "scope open on exit",
1.79      kristaps  167:        "macro requires line argument(s)",
                    168:        "macro requires body argument(s)",
                    169:        "macro requires argument(s)",
                    170:        "no title in document",
1.82      kristaps  171:        "missing list type",
1.87      kristaps  172:        "missing display type",
1.96      kristaps  173:        "missing font type",
1.79      kristaps  174:        "line argument(s) will be lost",
                    175:        "body argument(s) will be lost",
1.107     kristaps  176:        "paragraph macro ignored",
1.94      schwarze  177:
                    178:        "generic fatal error",
                    179:
1.80      kristaps  180:        "column syntax is inconsistent",
1.79      kristaps  181:        "displays may not be nested",
1.87      kristaps  182:        "unsupported display type",
1.95      schwarze  183:        "blocks badly nested",
                    184:        "no such block is open",
1.79      kristaps  185:        "line scope broken, syntax violated",
                    186:        "argument count wrong, violates syntax",
                    187:        "child violates parent syntax",
                    188:        "argument count wrong, violates syntax",
                    189:        "no document body",
                    190:        "no document prologue",
                    191:        "utsname system call failed",
1.103     schwarze  192:        "static buffer exhausted",
1.5       kristaps  193: };
1.1       kristaps  194:
1.66      kristaps  195: static void              fdesc(struct curparse *);
                    196: static void              ffile(const char *, struct curparse *);
1.10      kristaps  197: static int               moptions(enum intt *, char *);
1.71      kristaps  198: static int               mmsg(enum mandocerr, void *,
                    199:                                int, int, const char *);
1.103     schwarze  200: static void              pset(const char *, int, struct curparse *,
1.19      kristaps  201:                                struct man **, struct mdoc **);
1.66      kristaps  202: static int               toptions(struct curparse *, char *);
                    203: static void              usage(void) __attribute__((noreturn));
1.55      kristaps  204: static void              version(void) __attribute__((noreturn));
1.103     schwarze  205: static int               woptions(struct curparse *, char *);
1.1       kristaps  206:
1.54      kristaps  207: static const char       *progname;
1.103     schwarze  208: static enum mandoclevel  exit_status = MANDOCLEVEL_OK;
1.1       kristaps  209:
                    210: int
                    211: main(int argc, char *argv[])
                    212: {
1.64      kristaps  213:        int              c;
1.5       kristaps  214:        struct curparse  curp;
1.1       kristaps  215:
1.54      kristaps  216:        progname = strrchr(argv[0], '/');
                    217:        if (progname == NULL)
                    218:                progname = argv[0];
                    219:        else
                    220:                ++progname;
                    221:
1.51      kristaps  222:        memset(&curp, 0, sizeof(struct curparse));
1.5       kristaps  223:
1.19      kristaps  224:        curp.inttype = INTT_AUTO;
1.22      kristaps  225:        curp.outtype = OUTT_ASCII;
1.103     schwarze  226:        curp.wlevel  = MANDOCLEVEL_FATAL;
1.19      kristaps  227:
1.1       kristaps  228:        /* LINTED */
1.103     schwarze  229:        while (-1 != (c = getopt(argc, argv, "m:O:T:VW:")))
1.1       kristaps  230:                switch (c) {
1.10      kristaps  231:                case ('m'):
1.19      kristaps  232:                        if ( ! moptions(&curp.inttype, optarg))
1.105     kristaps  233:                                return((int)MANDOCLEVEL_BADARG);
1.10      kristaps  234:                        break;
1.48      kristaps  235:                case ('O'):
1.49      kristaps  236:                        (void)strlcat(curp.outopts, optarg, BUFSIZ);
                    237:                        (void)strlcat(curp.outopts, ",", BUFSIZ);
1.44      kristaps  238:                        break;
1.1       kristaps  239:                case ('T'):
1.60      kristaps  240:                        if ( ! toptions(&curp, optarg))
1.105     kristaps  241:                                return((int)MANDOCLEVEL_BADARG);
1.1       kristaps  242:                        break;
                    243:                case ('W'):
1.103     schwarze  244:                        if ( ! woptions(&curp, optarg))
1.105     kristaps  245:                                return((int)MANDOCLEVEL_BADARG);
1.1       kristaps  246:                        break;
                    247:                case ('V'):
                    248:                        version();
                    249:                        /* NOTREACHED */
                    250:                default:
                    251:                        usage();
                    252:                        /* NOTREACHED */
                    253:                }
                    254:
                    255:        argc -= optind;
                    256:        argv += optind;
                    257:
1.30      kristaps  258:        if (NULL == *argv) {
                    259:                curp.file = "<stdin>";
                    260:                curp.fd = STDIN_FILENO;
1.39      kristaps  261:
1.66      kristaps  262:                fdesc(&curp);
1.64      kristaps  263:        }
                    264:
                    265:        while (*argv) {
1.66      kristaps  266:                ffile(*argv, &curp);
1.103     schwarze  267:                if (MANDOCLEVEL_OK != exit_status && curp.wstop)
1.64      kristaps  268:                        break;
                    269:                ++argv;
1.1       kristaps  270:        }
                    271:
1.22      kristaps  272:        if (curp.outfree)
                    273:                (*curp.outfree)(curp.outdata);
1.71      kristaps  274:        if (curp.mdoc)
                    275:                mdoc_free(curp.mdoc);
                    276:        if (curp.man)
                    277:                man_free(curp.man);
                    278:        if (curp.roff)
                    279:                roff_free(curp.roff);
1.1       kristaps  280:
1.105     kristaps  281:        return((int)exit_status);
1.1       kristaps  282: }
                    283:
                    284:
1.55      kristaps  285: static void
1.1       kristaps  286: version(void)
                    287: {
                    288:
1.54      kristaps  289:        (void)printf("%s %s\n", progname, VERSION);
1.105     kristaps  290:        exit((int)MANDOCLEVEL_OK);
1.1       kristaps  291: }
                    292:
                    293:
1.55      kristaps  294: static void
1.1       kristaps  295: usage(void)
                    296: {
                    297:
1.61      kristaps  298:        (void)fprintf(stderr, "usage: %s [-V] [-foption] "
1.48      kristaps  299:                        "[-mformat] [-Ooption] [-Toutput] "
1.61      kristaps  300:                        "[-Werr] [file...]\n", progname);
1.105     kristaps  301:        exit((int)MANDOCLEVEL_BADARG);
1.19      kristaps  302: }
                    303:
                    304:
1.64      kristaps  305: static void
1.66      kristaps  306: ffile(const char *file, struct curparse *curp)
1.1       kristaps  307: {
                    308:
1.19      kristaps  309:        curp->file = file;
                    310:        if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) {
1.53      kristaps  311:                perror(curp->file);
1.103     schwarze  312:                exit_status = MANDOCLEVEL_SYSERR;
1.64      kristaps  313:                return;
1.1       kristaps  314:        }
                    315:
1.66      kristaps  316:        fdesc(curp);
1.1       kristaps  317:
1.19      kristaps  318:        if (-1 == close(curp->fd))
1.53      kristaps  319:                perror(curp->file);
1.1       kristaps  320: }
                    321:
                    322:
1.103     schwarze  323: static void
1.68      joerg     324: resize_buf(struct buf *buf, size_t initial)
                    325: {
                    326:
1.103     schwarze  327:        buf->sz = buf->sz ? 2 * buf->sz : initial;
                    328:        buf->buf = realloc(buf->buf, buf->sz);
                    329:        if (NULL == buf->buf) {
1.68      joerg     330:                perror(NULL);
1.105     kristaps  331:                exit((int)MANDOCLEVEL_SYSERR);
1.68      joerg     332:        }
                    333: }
                    334:
                    335:
                    336: static int
1.66      kristaps  337: read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap)
                    338: {
                    339:        struct stat      st;
1.68      joerg     340:        size_t           off;
1.66      kristaps  341:        ssize_t          ssz;
                    342:
                    343:        if (-1 == fstat(curp->fd, &st)) {
                    344:                perror(curp->file);
                    345:                return(0);
                    346:        }
                    347:
                    348:        /*
                    349:         * If we're a regular file, try just reading in the whole entry
                    350:         * via mmap().  This is faster than reading it into blocks, and
                    351:         * since each file is only a few bytes to begin with, I'm not
                    352:         * concerned that this is going to tank any machines.
                    353:         */
                    354:
                    355:        if (S_ISREG(st.st_mode)) {
                    356:                if (st.st_size >= (1U << 31)) {
                    357:                        fprintf(stderr, "%s: input too large\n",
                    358:                                        curp->file);
                    359:                        return(0);
                    360:                }
                    361:                *with_mmap = 1;
1.71      kristaps  362:                fb->sz = (size_t)st.st_size;
1.66      kristaps  363:                fb->buf = mmap(NULL, fb->sz, PROT_READ,
1.83      joerg     364:                                MAP_FILE|MAP_SHARED, curp->fd, 0);
1.66      kristaps  365:                if (fb->buf != MAP_FAILED)
                    366:                        return(1);
                    367:        }
                    368:
                    369:        /*
                    370:         * If this isn't a regular file (like, say, stdin), then we must
                    371:         * go the old way and just read things in bit by bit.
                    372:         */
                    373:
                    374:        *with_mmap = 0;
                    375:        off = 0;
                    376:        fb->sz = 0;
                    377:        fb->buf = NULL;
                    378:        for (;;) {
                    379:                if (off == fb->sz) {
                    380:                        if (fb->sz == (1U << 31)) {
                    381:                                fprintf(stderr, "%s: input too large\n",
                    382:                                                curp->file);
                    383:                                break;
                    384:                        }
1.103     schwarze  385:                        resize_buf(fb, 65536);
1.66      kristaps  386:                }
1.71      kristaps  387:                ssz = read(curp->fd, fb->buf + (int)off, fb->sz - off);
1.66      kristaps  388:                if (ssz == 0) {
                    389:                        fb->sz = off;
                    390:                        return(1);
                    391:                }
                    392:                if (ssz == -1) {
                    393:                        perror(curp->file);
                    394:                        break;
                    395:                }
1.71      kristaps  396:                off += (size_t)ssz;
1.66      kristaps  397:        }
                    398:
                    399:        free(fb->buf);
                    400:        fb->buf = NULL;
                    401:        return(0);
                    402: }
                    403:
                    404:
1.64      kristaps  405: static void
1.66      kristaps  406: fdesc(struct curparse *curp)
1.1       kristaps  407: {
1.66      kristaps  408:        struct buf       ln, blk;
1.76      kristaps  409:        int              i, pos, lnn, lnn_start, with_mmap, of;
1.71      kristaps  410:        enum rofferr     re;
1.102     schwarze  411:        unsigned char    c;
1.19      kristaps  412:        struct man      *man;
                    413:        struct mdoc     *mdoc;
1.71      kristaps  414:        struct roff     *roff;
1.10      kristaps  415:
1.19      kristaps  416:        man = NULL;
                    417:        mdoc = NULL;
1.71      kristaps  418:        roff = NULL;
1.92      kristaps  419:
1.66      kristaps  420:        memset(&ln, 0, sizeof(struct buf));
1.1       kristaps  421:
                    422:        /*
1.70      joerg     423:         * Two buffers: ln and buf.  buf is the input file and may be
                    424:         * memory mapped.  ln is a line buffer and grows on-demand.
1.1       kristaps  425:         */
                    426:
1.103     schwarze  427:        if ( ! read_whole_file(curp, &blk, &with_mmap)) {
                    428:                exit_status = MANDOCLEVEL_SYSERR;
1.64      kristaps  429:                return;
1.103     schwarze  430:        }
1.1       kristaps  431:
1.71      kristaps  432:        if (NULL == curp->roff)
1.103     schwarze  433:                curp->roff = roff_alloc(&curp->regs, curp, mmsg);
                    434:        assert(curp->roff);
                    435:        roff = curp->roff;
1.71      kristaps  436:
1.70      joerg     437:        for (i = 0, lnn = 1; i < (int)blk.sz;) {
                    438:                pos = 0;
                    439:                lnn_start = lnn;
                    440:                while (i < (int)blk.sz) {
                    441:                        if ('\n' == blk.buf[i]) {
                    442:                                ++i;
                    443:                                ++lnn;
                    444:                                break;
                    445:                        }
1.99      kristaps  446:
                    447:                        /*
                    448:                         * Warn about bogus characters.  If you're using
                    449:                         * non-ASCII encoding, you're screwing your
                    450:                         * readers.  Since I'd rather this not happen,
                    451:                         * I'll be helpful and drop these characters so
                    452:                         * we don't display gibberish.  Note to manual
                    453:                         * writers: use special characters.
                    454:                         */
                    455:
1.102     schwarze  456:                        c = (unsigned char) blk.buf[i];
                    457:                        if ( ! (isascii(c) && (isgraph(c) || isblank(c)))) {
1.103     schwarze  458:                                mmsg(MANDOCERR_BADCHAR, curp,
                    459:                                    lnn_start, pos, "ignoring byte");
1.99      kristaps  460:                                i++;
                    461:                                continue;
                    462:                        }
                    463:
1.70      joerg     464:                        /* Trailing backslash is like a plain character. */
                    465:                        if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
                    466:                                if (pos >= (int)ln.sz)
1.103     schwarze  467:                                        resize_buf(&ln, 256);
1.70      joerg     468:                                ln.buf[pos++] = blk.buf[i++];
1.67      joerg     469:                                continue;
1.70      joerg     470:                        }
                    471:                        /* Found an escape and at least one other character. */
                    472:                        if ('\n' == blk.buf[i + 1]) {
                    473:                                /* Escaped newlines are skipped over */
                    474:                                i += 2;
                    475:                                ++lnn;
1.67      joerg     476:                                continue;
                    477:                        }
1.70      joerg     478:                        if ('"' == blk.buf[i + 1]) {
                    479:                                i += 2;
                    480:                                /* Comment, skip to end of line */
                    481:                                for (; i < (int)blk.sz; ++i) {
                    482:                                        if ('\n' == blk.buf[i]) {
                    483:                                                ++i;
                    484:                                                ++lnn;
                    485:                                                break;
                    486:                                        }
                    487:                                }
                    488:                                /* Backout trailing whitespaces */
                    489:                                for (; pos > 0; --pos) {
                    490:                                        if (ln.buf[pos - 1] != ' ')
                    491:                                                break;
                    492:                                        if (pos > 2 && ln.buf[pos - 2] == '\\')
                    493:                                                break;
                    494:                                }
                    495:                                break;
                    496:                        }
                    497:                        /* Some other escape sequence, copy and continue. */
                    498:                        if (pos + 1 >= (int)ln.sz)
1.103     schwarze  499:                                resize_buf(&ln, 256);
1.1       kristaps  500:
1.70      joerg     501:                        ln.buf[pos++] = blk.buf[i++];
                    502:                        ln.buf[pos++] = blk.buf[i++];
1.67      joerg     503:                }
1.1       kristaps  504:
1.70      joerg     505:                if (pos >= (int)ln.sz)
1.103     schwarze  506:                        resize_buf(&ln, 256);
1.71      kristaps  507:                ln.buf[pos] = '\0';
                    508:
1.76      kristaps  509:                /*
                    510:                 * A significant amount of complexity is contained by
                    511:                 * the roff preprocessor.  It's line-oriented but can be
                    512:                 * expressed on one line, so we need at times to
                    513:                 * readjust our starting point and re-run it.  The roff
                    514:                 * preprocessor can also readjust the buffers with new
                    515:                 * data, so we pass them in wholesale.
                    516:                 */
                    517:
                    518:                of = 0;
                    519:                do {
1.92      kristaps  520:                        re = roff_parseln(roff, lnn_start,
1.76      kristaps  521:                                        &ln.buf, &ln.sz, of, &of);
                    522:                } while (ROFF_RERUN == re);
                    523:
1.103     schwarze  524:                if (ROFF_IGN == re) {
1.71      kristaps  525:                        continue;
1.103     schwarze  526:                } else if (ROFF_ERR == re) {
                    527:                        assert(MANDOCLEVEL_FATAL <= exit_status);
                    528:                        goto cleanup;
                    529:                }
1.29      kristaps  530:
1.76      kristaps  531:                /*
                    532:                 * If input parsers have not been allocated, do so now.
                    533:                 * We keep these instanced betwen parsers, but set them
                    534:                 * locally per parse routine since we can use different
                    535:                 * parsers with each one.
                    536:                 */
1.19      kristaps  537:
1.76      kristaps  538:                if ( ! (man || mdoc))
1.103     schwarze  539:                        pset(ln.buf + of, pos - of, curp, &man, &mdoc);
1.19      kristaps  540:
1.76      kristaps  541:                /* Lastly, push down into the parsers themselves. */
1.30      kristaps  542:
1.103     schwarze  543:                if (man && ! man_parseln(man, lnn_start, ln.buf, of)) {
                    544:                        assert(MANDOCLEVEL_FATAL <= exit_status);
                    545:                        goto cleanup;
                    546:                }
                    547:                if (mdoc && ! mdoc_parseln(mdoc, lnn_start, ln.buf, of)) {
                    548:                        assert(MANDOCLEVEL_FATAL <= exit_status);
                    549:                        goto cleanup;
                    550:                }
1.1       kristaps  551:        }
                    552:
1.29      kristaps  553:        /* NOTE a parser may not have been assigned, yet. */
1.19      kristaps  554:
1.22      kristaps  555:        if ( ! (man || mdoc)) {
1.53      kristaps  556:                fprintf(stderr, "%s: Not a manual\n", curp->file);
1.103     schwarze  557:                exit_status = MANDOCLEVEL_FATAL;
                    558:                goto cleanup;
1.22      kristaps  559:        }
1.76      kristaps  560:
                    561:        /* Clean up the parse routine ASTs. */
1.22      kristaps  562:
1.103     schwarze  563:        if (mdoc && ! mdoc_endparse(mdoc)) {
                    564:                assert(MANDOCLEVEL_FATAL <= exit_status);
                    565:                goto cleanup;
                    566:        }
                    567:        if (man && ! man_endparse(man)) {
                    568:                assert(MANDOCLEVEL_FATAL <= exit_status);
                    569:                goto cleanup;
                    570:        }
                    571:        if (roff && ! roff_endparse(roff)) {
                    572:                assert(MANDOCLEVEL_FATAL <= exit_status);
                    573:                goto cleanup;
                    574:        }
1.104     schwarze  575:
                    576:        /*
                    577:         * With -Wstop and warnings or errors of at least
                    578:         * the requested level, do not produce output.
                    579:         */
                    580:
                    581:        if (MANDOCLEVEL_OK != exit_status && curp->wstop)
                    582:                goto cleanup;
1.19      kristaps  583:
1.29      kristaps  584:        /* If unset, allocate output dev now (if applicable). */
1.22      kristaps  585:
                    586:        if ( ! (curp->outman && curp->outmdoc)) {
                    587:                switch (curp->outtype) {
1.59      kristaps  588:                case (OUTT_XHTML):
                    589:                        curp->outdata = xhtml_alloc(curp->outopts);
                    590:                        break;
1.43      kristaps  591:                case (OUTT_HTML):
1.44      kristaps  592:                        curp->outdata = html_alloc(curp->outopts);
1.85      kristaps  593:                        break;
                    594:                case (OUTT_ASCII):
                    595:                        curp->outdata = ascii_alloc(curp->outopts);
1.86      kristaps  596:                        curp->outfree = ascii_free;
1.85      kristaps  597:                        break;
1.100     kristaps  598:                case (OUTT_PDF):
                    599:                        curp->outdata = pdf_alloc(curp->outopts);
                    600:                        curp->outfree = pspdf_free;
                    601:                        break;
1.85      kristaps  602:                case (OUTT_PS):
1.93      kristaps  603:                        curp->outdata = ps_alloc(curp->outopts);
1.100     kristaps  604:                        curp->outfree = pspdf_free;
1.85      kristaps  605:                        break;
                    606:                default:
                    607:                        break;
                    608:                }
                    609:
                    610:                switch (curp->outtype) {
                    611:                case (OUTT_HTML):
                    612:                        /* FALLTHROUGH */
                    613:                case (OUTT_XHTML):
1.43      kristaps  614:                        curp->outman = html_man;
                    615:                        curp->outmdoc = html_mdoc;
                    616:                        curp->outfree = html_free;
                    617:                        break;
1.22      kristaps  618:                case (OUTT_TREE):
                    619:                        curp->outman = tree_man;
                    620:                        curp->outmdoc = tree_mdoc;
                    621:                        break;
1.100     kristaps  622:                case (OUTT_PDF):
                    623:                        /* FALLTHROUGH */
1.85      kristaps  624:                case (OUTT_ASCII):
                    625:                        /* FALLTHROUGH */
                    626:                case (OUTT_PS):
1.22      kristaps  627:                        curp->outman = terminal_man;
                    628:                        curp->outmdoc = terminal_mdoc;
                    629:                        break;
1.85      kristaps  630:                default:
                    631:                        break;
1.22      kristaps  632:                }
                    633:        }
                    634:
                    635:        /* Execute the out device, if it exists. */
                    636:
                    637:        if (man && curp->outman)
1.42      kristaps  638:                (*curp->outman)(curp->outdata, man);
1.22      kristaps  639:        if (mdoc && curp->outmdoc)
1.42      kristaps  640:                (*curp->outmdoc)(curp->outdata, mdoc);
1.22      kristaps  641:
1.64      kristaps  642:  cleanup:
1.92      kristaps  643:        memset(&curp->regs, 0, sizeof(struct regset));
1.71      kristaps  644:        if (mdoc)
                    645:                mdoc_reset(mdoc);
                    646:        if (man)
                    647:                man_reset(man);
                    648:        if (roff)
                    649:                roff_reset(roff);
1.66      kristaps  650:        if (ln.buf)
                    651:                free(ln.buf);
                    652:        if (with_mmap)
                    653:                munmap(blk.buf, blk.sz);
                    654:        else
                    655:                free(blk.buf);
1.71      kristaps  656:
1.64      kristaps  657:        return;
1.19      kristaps  658: }
                    659:
                    660:
1.103     schwarze  661: static void
1.22      kristaps  662: pset(const char *buf, int pos, struct curparse *curp,
1.19      kristaps  663:                struct man **man, struct mdoc **mdoc)
                    664: {
1.29      kristaps  665:        int              i;
1.19      kristaps  666:
                    667:        /*
                    668:         * Try to intuit which kind of manual parser should be used.  If
                    669:         * passed in by command-line (-man, -mdoc), then use that
                    670:         * explicitly.  If passed as -mandoc, then try to guess from the
1.30      kristaps  671:         * line: either skip dot-lines, use -mdoc when finding `.Dt', or
1.19      kristaps  672:         * default to -man, which is more lenient.
                    673:         */
                    674:
1.75      kristaps  675:        if ('.' == buf[0] || '\'' == buf[0]) {
1.29      kristaps  676:                for (i = 1; buf[i]; i++)
                    677:                        if (' ' != buf[i] && '\t' != buf[i])
                    678:                                break;
1.103     schwarze  679:                if ('\0' == buf[i])
                    680:                        return;
1.29      kristaps  681:        }
1.10      kristaps  682:
1.19      kristaps  683:        switch (curp->inttype) {
                    684:        case (INTT_MDOC):
                    685:                if (NULL == curp->mdoc)
1.103     schwarze  686:                        curp->mdoc = mdoc_alloc(&curp->regs, curp, mmsg);
                    687:                assert(curp->mdoc);
                    688:                *mdoc = curp->mdoc;
                    689:                return;
1.19      kristaps  690:        case (INTT_MAN):
                    691:                if (NULL == curp->man)
1.103     schwarze  692:                        curp->man = man_alloc(&curp->regs, curp, mmsg);
                    693:                assert(curp->man);
                    694:                *man = curp->man;
                    695:                return;
1.19      kristaps  696:        default:
                    697:                break;
                    698:        }
                    699:
                    700:        if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3))  {
                    701:                if (NULL == curp->mdoc)
1.103     schwarze  702:                        curp->mdoc = mdoc_alloc(&curp->regs, curp, mmsg);
                    703:                assert(curp->mdoc);
                    704:                *mdoc = curp->mdoc;
                    705:                return;
1.19      kristaps  706:        }
                    707:
                    708:        if (NULL == curp->man)
1.103     schwarze  709:                curp->man = man_alloc(&curp->regs, curp, mmsg);
                    710:        assert(curp->man);
                    711:        *man = curp->man;
1.10      kristaps  712: }
                    713:
                    714:
                    715: static int
                    716: moptions(enum intt *tflags, char *arg)
                    717: {
                    718:
1.17      kristaps  719:        if (0 == strcmp(arg, "doc"))
1.10      kristaps  720:                *tflags = INTT_MDOC;
1.19      kristaps  721:        else if (0 == strcmp(arg, "andoc"))
                    722:                *tflags = INTT_AUTO;
1.17      kristaps  723:        else if (0 == strcmp(arg, "an"))
1.10      kristaps  724:                *tflags = INTT_MAN;
                    725:        else {
1.57      kristaps  726:                fprintf(stderr, "%s: Bad argument\n", arg);
1.10      kristaps  727:                return(0);
                    728:        }
                    729:
                    730:        return(1);
1.1       kristaps  731: }
                    732:
                    733:
                    734: static int
1.60      kristaps  735: toptions(struct curparse *curp, char *arg)
1.1       kristaps  736: {
                    737:
                    738:        if (0 == strcmp(arg, "ascii"))
1.60      kristaps  739:                curp->outtype = OUTT_ASCII;
                    740:        else if (0 == strcmp(arg, "lint")) {
                    741:                curp->outtype = OUTT_LINT;
1.103     schwarze  742:                curp->wlevel  = MANDOCLEVEL_WARNING;
1.60      kristaps  743:        }
1.1       kristaps  744:        else if (0 == strcmp(arg, "tree"))
1.60      kristaps  745:                curp->outtype = OUTT_TREE;
1.43      kristaps  746:        else if (0 == strcmp(arg, "html"))
1.60      kristaps  747:                curp->outtype = OUTT_HTML;
1.59      kristaps  748:        else if (0 == strcmp(arg, "xhtml"))
1.60      kristaps  749:                curp->outtype = OUTT_XHTML;
1.85      kristaps  750:        else if (0 == strcmp(arg, "ps"))
                    751:                curp->outtype = OUTT_PS;
1.100     kristaps  752:        else if (0 == strcmp(arg, "pdf"))
                    753:                curp->outtype = OUTT_PDF;
1.1       kristaps  754:        else {
1.57      kristaps  755:                fprintf(stderr, "%s: Bad argument\n", arg);
1.1       kristaps  756:                return(0);
                    757:        }
                    758:
                    759:        return(1);
                    760: }
                    761:
                    762:
                    763: static int
1.103     schwarze  764: woptions(struct curparse *curp, char *arg)
1.1       kristaps  765: {
1.34      kristaps  766:        char            *v, *o;
1.103     schwarze  767:        const char      *toks[6];
1.1       kristaps  768:
1.103     schwarze  769:        toks[0] = "stop";
                    770:        toks[1] = "all";
                    771:        toks[2] = "warning";
                    772:        toks[3] = "error";
                    773:        toks[4] = "fatal";
                    774:        toks[5] = NULL;
1.1       kristaps  775:
1.34      kristaps  776:        while (*arg) {
                    777:                o = arg;
1.45      kristaps  778:                switch (getsubopt(&arg, UNCONST(toks), &v)) {
1.1       kristaps  779:                case (0):
1.103     schwarze  780:                        curp->wstop = 1;
1.1       kristaps  781:                        break;
                    782:                case (1):
1.103     schwarze  783:                        /* FALLTHROUGH */
1.1       kristaps  784:                case (2):
1.103     schwarze  785:                        curp->wlevel = MANDOCLEVEL_WARNING;
1.1       kristaps  786:                        break;
1.20      kristaps  787:                case (3):
1.103     schwarze  788:                        curp->wlevel = MANDOCLEVEL_ERROR;
1.24      kristaps  789:                        break;
                    790:                case (4):
1.103     schwarze  791:                        curp->wlevel = MANDOCLEVEL_FATAL;
1.50      kristaps  792:                        break;
1.1       kristaps  793:                default:
1.103     schwarze  794:                        fprintf(stderr, "-W%s: Bad argument\n", o);
1.1       kristaps  795:                        return(0);
                    796:                }
1.34      kristaps  797:        }
1.1       kristaps  798:
                    799:        return(1);
                    800: }
                    801:
                    802:
1.71      kristaps  803: static int
                    804: mmsg(enum mandocerr t, void *arg, int ln, int col, const char *msg)
                    805: {
                    806:        struct curparse *cp;
1.103     schwarze  807:        enum mandoclevel level;
                    808:
                    809:        level = MANDOCLEVEL_FATAL;
                    810:        while (t < mandoclimits[level])
1.105     kristaps  811:                /* LINTED */
1.103     schwarze  812:                level--;
1.71      kristaps  813:
                    814:        cp = (struct curparse *)arg;
1.103     schwarze  815:        if (level < cp->wlevel)
                    816:                return(1);
1.73      kristaps  817:
1.103     schwarze  818:        fprintf(stderr, "%s:%d:%d: %s: %s",
                    819:            cp->file, ln, col + 1, mandoclevels[level], mandocerrs[t]);
1.73      kristaps  820:        if (msg)
                    821:                fprintf(stderr, ": %s", msg);
                    822:        fputc('\n', stderr);
1.79      kristaps  823:
1.103     schwarze  824:        if (exit_status < level)
                    825:                exit_status = level;
                    826:
                    827:        return(level < MANDOCLEVEL_FATAL);
1.71      kristaps  828: }

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