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Annotation of mandoc/man_macro.c, Revision 1.81

1.81    ! schwarze    1: /*     $Id: man_macro.c,v 1.80 2013/12/31 23:23:10 schwarze Exp $ */
1.1       kristaps    2: /*
1.65      schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.77      schwarze    4:  * Copyright (c) 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
1.79      schwarze    5:  * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1       kristaps    6:  *
                      7:  * Permission to use, copy, modify, and distribute this software for any
1.14      kristaps    8:  * purpose with or without fee is hereby granted, provided that the above
                      9:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps   10:  *
1.14      kristaps   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     14:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     15:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     16:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     17:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   18:  */
1.30      kristaps   19: #ifdef HAVE_CONFIG_H
                     20: #include "config.h"
                     21: #endif
                     22:
1.1       kristaps   23: #include <assert.h>
                     24: #include <ctype.h>
                     25: #include <stdlib.h>
                     26: #include <string.h>
                     27:
1.58      kristaps   28: #include "man.h"
1.46      kristaps   29: #include "mandoc.h"
1.57      kristaps   30: #include "libmandoc.h"
1.1       kristaps   31: #include "libman.h"
                     32:
1.34      kristaps   33: enum   rew {
                     34:        REW_REWIND,
                     35:        REW_NOHALT,
1.40      kristaps   36:        REW_HALT
1.34      kristaps   37: };
1.19      kristaps   38:
1.35      kristaps   39: static int              blk_close(MACRO_PROT_ARGS);
                     40: static int              blk_exp(MACRO_PROT_ARGS);
                     41: static int              blk_imp(MACRO_PROT_ARGS);
1.19      kristaps   42: static int              in_line_eoln(MACRO_PROT_ARGS);
1.60      kristaps   43: static int              man_args(struct man *, int,
                     44:                                int *, char *, char **);
1.19      kristaps   45:
1.33      kristaps   46: static int              rew_scope(enum man_type,
                     47:                                struct man *, enum mant);
1.34      kristaps   48: static enum rew         rew_dohalt(enum mant, enum man_type,
1.19      kristaps   49:                                const struct man_node *);
1.34      kristaps   50: static enum rew         rew_block(enum mant, enum man_type,
1.21      kristaps   51:                                const struct man_node *);
1.56      kristaps   52: static void             rew_warn(struct man *,
1.46      kristaps   53:                                struct man_node *, enum mandocerr);
1.19      kristaps   54:
                     55: const  struct man_macro __man_macros[MAN_MAX] = {
1.31      kristaps   56:        { in_line_eoln, MAN_NSCOPED }, /* br */
1.66      schwarze   57:        { in_line_eoln, MAN_BSCOPE }, /* TH */
                     58:        { blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* SH */
                     59:        { blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* SS */
                     60:        { blk_imp, MAN_BSCOPE | MAN_SCOPED | MAN_FSCOPED }, /* TP */
                     61:        { blk_imp, MAN_BSCOPE }, /* LP */
                     62:        { blk_imp, MAN_BSCOPE }, /* PP */
                     63:        { blk_imp, MAN_BSCOPE }, /* P */
                     64:        { blk_imp, MAN_BSCOPE }, /* IP */
                     65:        { blk_imp, MAN_BSCOPE }, /* HP */
1.19      kristaps   66:        { in_line_eoln, MAN_SCOPED }, /* SM */
                     67:        { in_line_eoln, MAN_SCOPED }, /* SB */
                     68:        { in_line_eoln, 0 }, /* BI */
                     69:        { in_line_eoln, 0 }, /* IB */
                     70:        { in_line_eoln, 0 }, /* BR */
                     71:        { in_line_eoln, 0 }, /* RB */
                     72:        { in_line_eoln, MAN_SCOPED }, /* R */
                     73:        { in_line_eoln, MAN_SCOPED }, /* B */
                     74:        { in_line_eoln, MAN_SCOPED }, /* I */
                     75:        { in_line_eoln, 0 }, /* IR */
                     76:        { in_line_eoln, 0 }, /* RI */
1.31      kristaps   77:        { in_line_eoln, MAN_NSCOPED }, /* na */
                     78:        { in_line_eoln, MAN_NSCOPED }, /* sp */
1.66      schwarze   79:        { in_line_eoln, MAN_BSCOPE }, /* nf */
                     80:        { in_line_eoln, MAN_BSCOPE }, /* fi */
1.21      kristaps   81:        { blk_close, 0 }, /* RE */
1.74      kristaps   82:        { blk_exp, MAN_BSCOPE | MAN_EXPLICIT }, /* RS */
1.23      kristaps   83:        { in_line_eoln, 0 }, /* DT */
1.28      kristaps   84:        { in_line_eoln, 0 }, /* UC */
1.29      kristaps   85:        { in_line_eoln, 0 }, /* PD */
1.45      joerg      86:        { in_line_eoln, 0 }, /* AT */
1.49      kristaps   87:        { in_line_eoln, 0 }, /* in */
1.53      kristaps   88:        { in_line_eoln, 0 }, /* ft */
1.71      kristaps   89:        { in_line_eoln, 0 }, /* OP */
1.72      schwarze   90:        { in_line_eoln, MAN_BSCOPE }, /* EX */
                     91:        { in_line_eoln, MAN_BSCOPE }, /* EE */
1.76      schwarze   92:        { blk_exp, MAN_BSCOPE | MAN_EXPLICIT }, /* UR */
                     93:        { blk_close, 0 }, /* UE */
1.81    ! schwarze   94:        { in_line_eoln, 0 }, /* ll */
1.19      kristaps   95: };
1.9       kristaps   96:
1.19      kristaps   97: const  struct man_macro * const man_macros = __man_macros;
1.1       kristaps   98:
                     99:
1.38      kristaps  100: /*
                    101:  * Warn when "n" is an explicit non-roff macro.
                    102:  */
1.56      kristaps  103: static void
1.75      schwarze  104: rew_warn(struct man *man, struct man_node *n, enum mandocerr er)
1.38      kristaps  105: {
                    106:
1.46      kristaps  107:        if (er == MANDOCERR_MAX || MAN_BLOCK != n->type)
1.56      kristaps  108:                return;
1.38      kristaps  109:        if (MAN_VALID & n->flags)
1.56      kristaps  110:                return;
1.38      kristaps  111:        if ( ! (MAN_EXPLICIT & man_macros[n->tok].flags))
1.56      kristaps  112:                return;
                    113:
                    114:        assert(er < MANDOCERR_FATAL);
1.75      schwarze  115:        man_nmsg(man, n, er);
1.38      kristaps  116: }
                    117:
                    118:
                    119: /*
1.46      kristaps  120:  * Rewind scope.  If a code "er" != MANDOCERR_MAX has been provided, it
                    121:  * will be used if an explicit block scope is being closed out.
1.38      kristaps  122:  */
1.3       kristaps  123: int
1.75      schwarze  124: man_unscope(struct man *man, const struct man_node *to,
1.46      kristaps  125:                enum mandocerr er)
1.1       kristaps  126: {
1.55      kristaps  127:        struct man_node *n;
1.1       kristaps  128:
1.55      kristaps  129:        assert(to);
1.19      kristaps  130:
1.75      schwarze  131:        man->next = MAN_NEXT_SIBLING;
1.64      kristaps  132:
1.19      kristaps  133:        /* LINTED */
1.75      schwarze  134:        while (man->last != to) {
1.55      kristaps  135:                /*
                    136:                 * Save the parent here, because we may delete the
1.75      schwarze  137:                 * man->last node in the post-validation phase and reset
                    138:                 * it to man->last->parent, causing a step in the closing
1.55      kristaps  139:                 * out to be lost.
                    140:                 */
1.75      schwarze  141:                n = man->last->parent;
                    142:                rew_warn(man, man->last, er);
                    143:                if ( ! man_valid_post(man))
1.19      kristaps  144:                        return(0);
1.75      schwarze  145:                man->last = n;
                    146:                assert(man->last);
1.19      kristaps  147:        }
                    148:
1.75      schwarze  149:        rew_warn(man, man->last, er);
                    150:        if ( ! man_valid_post(man))
1.1       kristaps  151:                return(0);
1.35      kristaps  152:
                    153:        return(1);
1.19      kristaps  154: }
1.1       kristaps  155:
                    156:
1.34      kristaps  157: static enum rew
1.33      kristaps  158: rew_block(enum mant ntok, enum man_type type, const struct man_node *n)
1.21      kristaps  159: {
                    160:
                    161:        if (MAN_BLOCK == type && ntok == n->parent->tok &&
                    162:                        MAN_BODY == n->parent->type)
                    163:                return(REW_REWIND);
                    164:        return(ntok == n->tok ? REW_HALT : REW_NOHALT);
                    165: }
                    166:
                    167:
1.19      kristaps  168: /*
                    169:  * There are three scope levels: scoped to the root (all), scoped to the
                    170:  * section (all less sections), and scoped to subsections (all less
                    171:  * sections and subsections).
                    172:  */
1.34      kristaps  173: static enum rew
1.33      kristaps  174: rew_dohalt(enum mant tok, enum man_type type, const struct man_node *n)
1.19      kristaps  175: {
1.34      kristaps  176:        enum rew         c;
1.1       kristaps  177:
1.38      kristaps  178:        /* We cannot progress beyond the root ever. */
1.19      kristaps  179:        if (MAN_ROOT == n->type)
                    180:                return(REW_HALT);
1.38      kristaps  181:
1.19      kristaps  182:        assert(n->parent);
1.38      kristaps  183:
                    184:        /* Normal nodes shouldn't go to the level of the root. */
1.19      kristaps  185:        if (MAN_ROOT == n->parent->type)
                    186:                return(REW_REWIND);
1.38      kristaps  187:
                    188:        /* Already-validated nodes should be closed out. */
1.19      kristaps  189:        if (MAN_VALID & n->flags)
                    190:                return(REW_NOHALT);
                    191:
1.38      kristaps  192:        /* First: rewind to ourselves. */
1.73      schwarze  193:        if (type == n->type && tok == n->tok) {
                    194:                if (MAN_EXPLICIT & man_macros[n->tok].flags)
                    195:                        return(REW_HALT);
                    196:                else
                    197:                        return(REW_REWIND);
                    198:        }
1.21      kristaps  199:
1.38      kristaps  200:        /*
                    201:         * Next follow the implicit scope-smashings as defined by man.7:
                    202:         * section, sub-section, etc.
                    203:         */
                    204:
1.19      kristaps  205:        switch (tok) {
                    206:        case (MAN_SH):
                    207:                break;
                    208:        case (MAN_SS):
1.20      kristaps  209:                /* Rewind to a section, if a block. */
1.21      kristaps  210:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    211:                        return(c);
                    212:                break;
                    213:        case (MAN_RS):
1.73      schwarze  214:                /* Preserve empty paragraphs before RS. */
                    215:                if (0 == n->nchild && (MAN_P == n->tok ||
                    216:                    MAN_PP == n->tok || MAN_LP == n->tok))
                    217:                        return(REW_HALT);
1.21      kristaps  218:                /* Rewind to a subsection, if a block. */
                    219:                if (REW_NOHALT != (c = rew_block(MAN_SS, type, n)))
                    220:                        return(c);
                    221:                /* Rewind to a section, if a block. */
                    222:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    223:                        return(c);
1.19      kristaps  224:                break;
                    225:        default:
1.21      kristaps  226:                /* Rewind to an offsetter, if a block. */
                    227:                if (REW_NOHALT != (c = rew_block(MAN_RS, type, n)))
                    228:                        return(c);
1.20      kristaps  229:                /* Rewind to a subsection, if a block. */
1.21      kristaps  230:                if (REW_NOHALT != (c = rew_block(MAN_SS, type, n)))
                    231:                        return(c);
1.20      kristaps  232:                /* Rewind to a section, if a block. */
1.21      kristaps  233:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    234:                        return(c);
1.19      kristaps  235:                break;
1.3       kristaps  236:        }
1.1       kristaps  237:
1.19      kristaps  238:        return(REW_NOHALT);
                    239: }
1.9       kristaps  240:
                    241:
1.19      kristaps  242: /*
                    243:  * Rewinding entails ascending the parse tree until a coherent point,
                    244:  * for example, the `SH' macro will close out any intervening `SS'
                    245:  * scopes.  When a scope is closed, it must be validated and actioned.
                    246:  */
                    247: static int
1.75      schwarze  248: rew_scope(enum man_type type, struct man *man, enum mant tok)
1.19      kristaps  249: {
                    250:        struct man_node *n;
1.34      kristaps  251:        enum rew         c;
1.7       kristaps  252:
1.19      kristaps  253:        /* LINTED */
1.75      schwarze  254:        for (n = man->last; n; n = n->parent) {
1.19      kristaps  255:                /*
                    256:                 * Whether we should stop immediately (REW_HALT), stop
                    257:                 * and rewind until this point (REW_REWIND), or keep
                    258:                 * rewinding (REW_NOHALT).
                    259:                 */
                    260:                c = rew_dohalt(tok, type, n);
                    261:                if (REW_HALT == c)
                    262:                        return(1);
                    263:                if (REW_REWIND == c)
1.7       kristaps  264:                        break;
1.6       kristaps  265:        }
1.1       kristaps  266:
1.38      kristaps  267:        /*
                    268:         * Rewind until the current point.  Warn if we're a roff
                    269:         * instruction that's mowing over explicit scopes.
                    270:         */
                    271:        assert(n);
1.19      kristaps  272:
1.75      schwarze  273:        return(man_unscope(man, n, MANDOCERR_MAX));
1.19      kristaps  274: }
                    275:
1.6       kristaps  276:
1.36      kristaps  277: /*
                    278:  * Close out a generic explicit macro.
                    279:  */
1.37      kristaps  280: /* ARGSUSED */
1.35      kristaps  281: int
1.21      kristaps  282: blk_close(MACRO_PROT_ARGS)
                    283: {
1.33      kristaps  284:        enum mant                ntok;
1.21      kristaps  285:        const struct man_node   *nn;
                    286:
                    287:        switch (tok) {
                    288:        case (MAN_RE):
                    289:                ntok = MAN_RS;
1.76      schwarze  290:                break;
                    291:        case (MAN_UE):
                    292:                ntok = MAN_UR;
1.21      kristaps  293:                break;
                    294:        default:
                    295:                abort();
                    296:                /* NOTREACHED */
                    297:        }
                    298:
1.75      schwarze  299:        for (nn = man->last->parent; nn; nn = nn->parent)
1.73      schwarze  300:                if (ntok == nn->tok && MAN_BLOCK == nn->type)
1.21      kristaps  301:                        break;
                    302:
1.77      schwarze  303:        if (NULL == nn) {
                    304:                man_pmsg(man, line, ppos, MANDOCERR_NOSCOPE);
                    305:                if ( ! rew_scope(MAN_BLOCK, man, MAN_PP))
                    306:                        return(0);
                    307:        } else
1.75      schwarze  308:                man_unscope(man, nn, MANDOCERR_MAX);
1.21      kristaps  309:
                    310:        return(1);
                    311: }
                    312:
                    313:
1.48      kristaps  314: /* ARGSUSED */
1.35      kristaps  315: int
                    316: blk_exp(MACRO_PROT_ARGS)
                    317: {
1.73      schwarze  318:        struct man_node *n;
1.59      kristaps  319:        int              la;
1.35      kristaps  320:        char            *p;
                    321:
1.73      schwarze  322:        /* Close out prior implicit scopes. */
                    323:
1.75      schwarze  324:        if ( ! rew_scope(MAN_BLOCK, man, tok))
1.73      schwarze  325:                return(0);
1.35      kristaps  326:
1.75      schwarze  327:        if ( ! man_block_alloc(man, line, ppos, tok))
1.35      kristaps  328:                return(0);
1.75      schwarze  329:        if ( ! man_head_alloc(man, line, ppos, tok))
1.35      kristaps  330:                return(0);
                    331:
                    332:        for (;;) {
                    333:                la = *pos;
1.75      schwarze  334:                if ( ! man_args(man, line, pos, buf, &p))
1.35      kristaps  335:                        break;
1.75      schwarze  336:                if ( ! man_word_alloc(man, line, la, p))
1.35      kristaps  337:                        return(0);
                    338:        }
                    339:
1.75      schwarze  340:        assert(man);
1.35      kristaps  341:        assert(tok != MAN_MAX);
                    342:
1.75      schwarze  343:        for (n = man->last; n; n = n->parent) {
1.73      schwarze  344:                if (n->tok != tok)
                    345:                        continue;
                    346:                assert(MAN_HEAD == n->type);
1.75      schwarze  347:                man_unscope(man, n, MANDOCERR_MAX);
1.73      schwarze  348:                break;
                    349:        }
                    350:
1.75      schwarze  351:        return(man_body_alloc(man, line, ppos, tok));
1.35      kristaps  352: }
                    353:
                    354:
                    355:
1.19      kristaps  356: /*
                    357:  * Parse an implicit-block macro.  These contain a MAN_HEAD and a
                    358:  * MAN_BODY contained within a MAN_BLOCK.  Rules for closing out other
                    359:  * scopes, such as `SH' closing out an `SS', are defined in the rew
                    360:  * routines.
                    361:  */
1.48      kristaps  362: /* ARGSUSED */
1.19      kristaps  363: int
                    364: blk_imp(MACRO_PROT_ARGS)
                    365: {
1.59      kristaps  366:        int              la;
1.19      kristaps  367:        char            *p;
1.25      kristaps  368:        struct man_node *n;
1.19      kristaps  369:
                    370:        /* Close out prior scopes. */
1.7       kristaps  371:
1.75      schwarze  372:        if ( ! rew_scope(MAN_BODY, man, tok))
1.5       kristaps  373:                return(0);
1.75      schwarze  374:        if ( ! rew_scope(MAN_BLOCK, man, tok))
1.6       kristaps  375:                return(0);
1.1       kristaps  376:
1.19      kristaps  377:        /* Allocate new block & head scope. */
                    378:
1.75      schwarze  379:        if ( ! man_block_alloc(man, line, ppos, tok))
1.19      kristaps  380:                return(0);
1.75      schwarze  381:        if ( ! man_head_alloc(man, line, ppos, tok))
1.19      kristaps  382:                return(0);
1.1       kristaps  383:
1.75      schwarze  384:        n = man->last;
1.25      kristaps  385:
1.19      kristaps  386:        /* Add line arguments. */
1.3       kristaps  387:
1.19      kristaps  388:        for (;;) {
                    389:                la = *pos;
1.75      schwarze  390:                if ( ! man_args(man, line, pos, buf, &p))
1.19      kristaps  391:                        break;
1.75      schwarze  392:                if ( ! man_word_alloc(man, line, la, p))
1.6       kristaps  393:                        return(0);
                    394:        }
                    395:
1.19      kristaps  396:        /* Close out head and open body (unless MAN_SCOPE). */
                    397:
1.27      kristaps  398:        if (MAN_SCOPED & man_macros[tok].flags) {
                    399:                /* If we're forcing scope (`TP'), keep it open. */
                    400:                if (MAN_FSCOPED & man_macros[tok].flags) {
1.75      schwarze  401:                        man->flags |= MAN_BLINE;
1.27      kristaps  402:                        return(1);
1.75      schwarze  403:                } else if (n == man->last) {
                    404:                        man->flags |= MAN_BLINE;
1.27      kristaps  405:                        return(1);
                    406:                }
                    407:        }
                    408:
1.75      schwarze  409:        if ( ! rew_scope(MAN_HEAD, man, tok))
1.6       kristaps  410:                return(0);
1.75      schwarze  411:        return(man_body_alloc(man, line, ppos, tok));
1.4       kristaps  412: }
                    413:
                    414:
1.48      kristaps  415: /* ARGSUSED */
1.19      kristaps  416: int
                    417: in_line_eoln(MACRO_PROT_ARGS)
1.3       kristaps  418: {
1.59      kristaps  419:        int              la;
1.19      kristaps  420:        char            *p;
                    421:        struct man_node *n;
1.3       kristaps  422:
1.75      schwarze  423:        if ( ! man_elem_alloc(man, line, ppos, tok))
1.3       kristaps  424:                return(0);
                    425:
1.75      schwarze  426:        n = man->last;
1.3       kristaps  427:
1.19      kristaps  428:        for (;;) {
                    429:                la = *pos;
1.75      schwarze  430:                if ( ! man_args(man, line, pos, buf, &p))
1.19      kristaps  431:                        break;
1.75      schwarze  432:                if ( ! man_word_alloc(man, line, la, p))
1.19      kristaps  433:                        return(0);
                    434:        }
1.78      schwarze  435:
                    436:        /*
                    437:         * Append MAN_EOS in case the last snipped argument
                    438:         * ends with a dot, e.g. `.IR syslog (3).'
                    439:         */
                    440:
                    441:        if (n != man->last &&
1.80      schwarze  442:            mandoc_eos(man->last->string, strlen(man->last->string)))
1.78      schwarze  443:                man->last->flags |= MAN_EOS;
1.3       kristaps  444:
1.31      kristaps  445:        /*
                    446:         * If no arguments are specified and this is MAN_SCOPED (i.e.,
                    447:         * next-line scoped), then set our mode to indicate that we're
                    448:         * waiting for terms to load into our context.
                    449:         */
                    450:
1.75      schwarze  451:        if (n == man->last && MAN_SCOPED & man_macros[tok].flags) {
1.31      kristaps  452:                assert( ! (MAN_NSCOPED & man_macros[tok].flags));
1.75      schwarze  453:                man->flags |= MAN_ELINE;
1.19      kristaps  454:                return(1);
                    455:        }
1.3       kristaps  456:
1.31      kristaps  457:        /* Set ignorable context, if applicable. */
                    458:
                    459:        if (MAN_NSCOPED & man_macros[tok].flags) {
                    460:                assert( ! (MAN_SCOPED & man_macros[tok].flags));
1.75      schwarze  461:                man->flags |= MAN_ILINE;
1.31      kristaps  462:        }
1.64      kristaps  463:
1.75      schwarze  464:        assert(MAN_ROOT != man->last->type);
                    465:        man->next = MAN_NEXT_SIBLING;
1.31      kristaps  466:
1.19      kristaps  467:        /*
1.31      kristaps  468:         * Rewind our element scope.  Note that when TH is pruned, we'll
                    469:         * be back at the root, so make sure that we don't clobber as
                    470:         * its sibling.
1.19      kristaps  471:         */
1.3       kristaps  472:
1.75      schwarze  473:        for ( ; man->last; man->last = man->last->parent) {
                    474:                if (man->last == n)
1.19      kristaps  475:                        break;
1.75      schwarze  476:                if (man->last->type == MAN_ROOT)
1.19      kristaps  477:                        break;
1.75      schwarze  478:                if ( ! man_valid_post(man))
1.19      kristaps  479:                        return(0);
                    480:        }
1.3       kristaps  481:
1.75      schwarze  482:        assert(man->last);
1.3       kristaps  483:
                    484:        /*
1.19      kristaps  485:         * Same here regarding whether we're back at the root.
1.3       kristaps  486:         */
                    487:
1.75      schwarze  488:        if (man->last->type != MAN_ROOT && ! man_valid_post(man))
1.19      kristaps  489:                return(0);
1.3       kristaps  490:
1.19      kristaps  491:        return(1);
                    492: }
1.3       kristaps  493:
                    494:
1.19      kristaps  495: int
1.75      schwarze  496: man_macroend(struct man *man)
1.19      kristaps  497: {
1.22      kristaps  498:
1.75      schwarze  499:        return(man_unscope(man, man->first, MANDOCERR_SCOPEEXIT));
1.19      kristaps  500: }
1.3       kristaps  501:
1.60      kristaps  502: static int
1.75      schwarze  503: man_args(struct man *man, int line, int *pos, char *buf, char **v)
1.60      kristaps  504: {
                    505:        char     *start;
                    506:
                    507:        assert(*pos);
                    508:        *v = start = buf + *pos;
                    509:        assert(' ' != *start);
                    510:
                    511:        if ('\0' == *start)
                    512:                return(0);
                    513:
1.75      schwarze  514:        *v = mandoc_getarg(man->parse, v, line, pos);
1.60      kristaps  515:        return(1);
                    516: }

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