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Annotation of mandoc/man_macro.c, Revision 1.82

1.82    ! schwarze    1: /*     $Id: man_macro.c,v 1.81 2014/03/30 19:47:48 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);
1.82    ! schwarze   43: static int              man_args(struct man *, int,
1.60      kristaps   44:                                int *, char *, char **);
1.19      kristaps   45:
1.82    ! schwarze   46: static int              rew_scope(enum man_type,
1.33      kristaps   47:                                struct man *, enum mant);
1.82    ! schwarze   48: static enum rew         rew_dohalt(enum mant, enum man_type,
1.19      kristaps   49:                                const struct man_node *);
1.82    ! schwarze   50: static enum rew         rew_block(enum mant, enum man_type,
1.21      kristaps   51:                                const struct man_node *);
1.82    ! schwarze   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: /*
1.46      kristaps  119:  * Rewind scope.  If a code "er" != MANDOCERR_MAX has been provided, it
                    120:  * will be used if an explicit block scope is being closed out.
1.38      kristaps  121:  */
1.3       kristaps  122: int
1.82    ! schwarze  123: man_unscope(struct man *man, const struct man_node *to,
1.46      kristaps  124:                enum mandocerr er)
1.1       kristaps  125: {
1.55      kristaps  126:        struct man_node *n;
1.1       kristaps  127:
1.55      kristaps  128:        assert(to);
1.19      kristaps  129:
1.75      schwarze  130:        man->next = MAN_NEXT_SIBLING;
1.64      kristaps  131:
1.75      schwarze  132:        while (man->last != to) {
1.55      kristaps  133:                /*
                    134:                 * Save the parent here, because we may delete the
1.75      schwarze  135:                 * man->last node in the post-validation phase and reset
                    136:                 * it to man->last->parent, causing a step in the closing
1.55      kristaps  137:                 * out to be lost.
                    138:                 */
1.75      schwarze  139:                n = man->last->parent;
                    140:                rew_warn(man, man->last, er);
                    141:                if ( ! man_valid_post(man))
1.19      kristaps  142:                        return(0);
1.75      schwarze  143:                man->last = n;
                    144:                assert(man->last);
1.19      kristaps  145:        }
                    146:
1.75      schwarze  147:        rew_warn(man, man->last, er);
                    148:        if ( ! man_valid_post(man))
1.1       kristaps  149:                return(0);
1.35      kristaps  150:
                    151:        return(1);
1.19      kristaps  152: }
1.1       kristaps  153:
1.34      kristaps  154: static enum rew
1.33      kristaps  155: rew_block(enum mant ntok, enum man_type type, const struct man_node *n)
1.21      kristaps  156: {
                    157:
1.82    ! schwarze  158:        if (MAN_BLOCK == type && ntok == n->parent->tok &&
        !           159:            MAN_BODY == n->parent->type)
1.21      kristaps  160:                return(REW_REWIND);
                    161:        return(ntok == n->tok ? REW_HALT : REW_NOHALT);
                    162: }
                    163:
1.19      kristaps  164: /*
                    165:  * There are three scope levels: scoped to the root (all), scoped to the
                    166:  * section (all less sections), and scoped to subsections (all less
                    167:  * sections and subsections).
                    168:  */
1.82    ! schwarze  169: static enum rew
1.33      kristaps  170: rew_dohalt(enum mant tok, enum man_type type, const struct man_node *n)
1.19      kristaps  171: {
1.34      kristaps  172:        enum rew         c;
1.1       kristaps  173:
1.38      kristaps  174:        /* We cannot progress beyond the root ever. */
1.19      kristaps  175:        if (MAN_ROOT == n->type)
                    176:                return(REW_HALT);
1.38      kristaps  177:
1.19      kristaps  178:        assert(n->parent);
1.38      kristaps  179:
                    180:        /* Normal nodes shouldn't go to the level of the root. */
1.19      kristaps  181:        if (MAN_ROOT == n->parent->type)
                    182:                return(REW_REWIND);
1.38      kristaps  183:
                    184:        /* Already-validated nodes should be closed out. */
1.19      kristaps  185:        if (MAN_VALID & n->flags)
                    186:                return(REW_NOHALT);
                    187:
1.38      kristaps  188:        /* First: rewind to ourselves. */
1.73      schwarze  189:        if (type == n->type && tok == n->tok) {
                    190:                if (MAN_EXPLICIT & man_macros[n->tok].flags)
                    191:                        return(REW_HALT);
                    192:                else
                    193:                        return(REW_REWIND);
                    194:        }
1.21      kristaps  195:
1.82    ! schwarze  196:        /*
1.38      kristaps  197:         * Next follow the implicit scope-smashings as defined by man.7:
                    198:         * section, sub-section, etc.
                    199:         */
                    200:
1.19      kristaps  201:        switch (tok) {
1.82    ! schwarze  202:        case MAN_SH:
1.19      kristaps  203:                break;
1.82    ! schwarze  204:        case MAN_SS:
1.20      kristaps  205:                /* Rewind to a section, if a block. */
1.21      kristaps  206:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    207:                        return(c);
                    208:                break;
1.82    ! schwarze  209:        case MAN_RS:
1.73      schwarze  210:                /* Preserve empty paragraphs before RS. */
                    211:                if (0 == n->nchild && (MAN_P == n->tok ||
                    212:                    MAN_PP == n->tok || MAN_LP == n->tok))
                    213:                        return(REW_HALT);
1.21      kristaps  214:                /* Rewind to a subsection, if a block. */
                    215:                if (REW_NOHALT != (c = rew_block(MAN_SS, type, n)))
                    216:                        return(c);
                    217:                /* Rewind to a section, if a block. */
                    218:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    219:                        return(c);
1.19      kristaps  220:                break;
                    221:        default:
1.21      kristaps  222:                /* Rewind to an offsetter, if a block. */
                    223:                if (REW_NOHALT != (c = rew_block(MAN_RS, type, n)))
                    224:                        return(c);
1.20      kristaps  225:                /* Rewind to a subsection, if a block. */
1.21      kristaps  226:                if (REW_NOHALT != (c = rew_block(MAN_SS, type, n)))
                    227:                        return(c);
1.20      kristaps  228:                /* Rewind to a section, if a block. */
1.21      kristaps  229:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    230:                        return(c);
1.19      kristaps  231:                break;
1.3       kristaps  232:        }
1.1       kristaps  233:
1.19      kristaps  234:        return(REW_NOHALT);
                    235: }
1.9       kristaps  236:
1.19      kristaps  237: /*
                    238:  * Rewinding entails ascending the parse tree until a coherent point,
                    239:  * for example, the `SH' macro will close out any intervening `SS'
                    240:  * scopes.  When a scope is closed, it must be validated and actioned.
                    241:  */
                    242: static int
1.75      schwarze  243: rew_scope(enum man_type type, struct man *man, enum mant tok)
1.19      kristaps  244: {
                    245:        struct man_node *n;
1.34      kristaps  246:        enum rew         c;
1.7       kristaps  247:
1.75      schwarze  248:        for (n = man->last; n; n = n->parent) {
1.82    ! schwarze  249:                /*
1.19      kristaps  250:                 * Whether we should stop immediately (REW_HALT), stop
                    251:                 * and rewind until this point (REW_REWIND), or keep
                    252:                 * rewinding (REW_NOHALT).
                    253:                 */
                    254:                c = rew_dohalt(tok, type, n);
                    255:                if (REW_HALT == c)
                    256:                        return(1);
                    257:                if (REW_REWIND == c)
1.7       kristaps  258:                        break;
1.6       kristaps  259:        }
1.1       kristaps  260:
1.82    ! schwarze  261:        /*
1.38      kristaps  262:         * Rewind until the current point.  Warn if we're a roff
                    263:         * instruction that's mowing over explicit scopes.
                    264:         */
                    265:        assert(n);
1.19      kristaps  266:
1.75      schwarze  267:        return(man_unscope(man, n, MANDOCERR_MAX));
1.19      kristaps  268: }
                    269:
1.6       kristaps  270:
1.36      kristaps  271: /*
                    272:  * Close out a generic explicit macro.
                    273:  */
1.35      kristaps  274: int
1.21      kristaps  275: blk_close(MACRO_PROT_ARGS)
                    276: {
1.82    ! schwarze  277:        enum mant                ntok;
1.21      kristaps  278:        const struct man_node   *nn;
                    279:
                    280:        switch (tok) {
1.82    ! schwarze  281:        case MAN_RE:
1.21      kristaps  282:                ntok = MAN_RS;
1.76      schwarze  283:                break;
1.82    ! schwarze  284:        case MAN_UE:
1.76      schwarze  285:                ntok = MAN_UR;
1.21      kristaps  286:                break;
                    287:        default:
                    288:                abort();
                    289:                /* NOTREACHED */
                    290:        }
                    291:
1.75      schwarze  292:        for (nn = man->last->parent; nn; nn = nn->parent)
1.73      schwarze  293:                if (ntok == nn->tok && MAN_BLOCK == nn->type)
1.21      kristaps  294:                        break;
                    295:
1.77      schwarze  296:        if (NULL == nn) {
                    297:                man_pmsg(man, line, ppos, MANDOCERR_NOSCOPE);
                    298:                if ( ! rew_scope(MAN_BLOCK, man, MAN_PP))
                    299:                        return(0);
1.82    ! schwarze  300:        } else
1.75      schwarze  301:                man_unscope(man, nn, MANDOCERR_MAX);
1.21      kristaps  302:
                    303:        return(1);
                    304: }
                    305:
1.35      kristaps  306: int
                    307: blk_exp(MACRO_PROT_ARGS)
                    308: {
1.73      schwarze  309:        struct man_node *n;
1.59      kristaps  310:        int              la;
1.35      kristaps  311:        char            *p;
                    312:
1.73      schwarze  313:        /* Close out prior implicit scopes. */
                    314:
1.75      schwarze  315:        if ( ! rew_scope(MAN_BLOCK, man, tok))
1.73      schwarze  316:                return(0);
1.35      kristaps  317:
1.75      schwarze  318:        if ( ! man_block_alloc(man, line, ppos, tok))
1.35      kristaps  319:                return(0);
1.75      schwarze  320:        if ( ! man_head_alloc(man, line, ppos, tok))
1.35      kristaps  321:                return(0);
                    322:
                    323:        for (;;) {
                    324:                la = *pos;
1.75      schwarze  325:                if ( ! man_args(man, line, pos, buf, &p))
1.35      kristaps  326:                        break;
1.75      schwarze  327:                if ( ! man_word_alloc(man, line, la, p))
1.35      kristaps  328:                        return(0);
                    329:        }
                    330:
1.75      schwarze  331:        assert(man);
1.35      kristaps  332:        assert(tok != MAN_MAX);
                    333:
1.75      schwarze  334:        for (n = man->last; n; n = n->parent) {
1.73      schwarze  335:                if (n->tok != tok)
                    336:                        continue;
                    337:                assert(MAN_HEAD == n->type);
1.75      schwarze  338:                man_unscope(man, n, MANDOCERR_MAX);
1.73      schwarze  339:                break;
                    340:        }
                    341:
1.75      schwarze  342:        return(man_body_alloc(man, line, ppos, tok));
1.35      kristaps  343: }
                    344:
1.19      kristaps  345: /*
                    346:  * Parse an implicit-block macro.  These contain a MAN_HEAD and a
                    347:  * MAN_BODY contained within a MAN_BLOCK.  Rules for closing out other
                    348:  * scopes, such as `SH' closing out an `SS', are defined in the rew
                    349:  * routines.
                    350:  */
                    351: int
                    352: blk_imp(MACRO_PROT_ARGS)
                    353: {
1.59      kristaps  354:        int              la;
1.19      kristaps  355:        char            *p;
1.25      kristaps  356:        struct man_node *n;
1.19      kristaps  357:
                    358:        /* Close out prior scopes. */
1.7       kristaps  359:
1.75      schwarze  360:        if ( ! rew_scope(MAN_BODY, man, tok))
1.5       kristaps  361:                return(0);
1.75      schwarze  362:        if ( ! rew_scope(MAN_BLOCK, man, tok))
1.6       kristaps  363:                return(0);
1.1       kristaps  364:
1.19      kristaps  365:        /* Allocate new block & head scope. */
                    366:
1.75      schwarze  367:        if ( ! man_block_alloc(man, line, ppos, tok))
1.19      kristaps  368:                return(0);
1.75      schwarze  369:        if ( ! man_head_alloc(man, line, ppos, tok))
1.19      kristaps  370:                return(0);
1.1       kristaps  371:
1.75      schwarze  372:        n = man->last;
1.25      kristaps  373:
1.19      kristaps  374:        /* Add line arguments. */
1.3       kristaps  375:
1.19      kristaps  376:        for (;;) {
                    377:                la = *pos;
1.75      schwarze  378:                if ( ! man_args(man, line, pos, buf, &p))
1.19      kristaps  379:                        break;
1.75      schwarze  380:                if ( ! man_word_alloc(man, line, la, p))
1.6       kristaps  381:                        return(0);
                    382:        }
                    383:
1.19      kristaps  384:        /* Close out head and open body (unless MAN_SCOPE). */
                    385:
1.27      kristaps  386:        if (MAN_SCOPED & man_macros[tok].flags) {
                    387:                /* If we're forcing scope (`TP'), keep it open. */
                    388:                if (MAN_FSCOPED & man_macros[tok].flags) {
1.75      schwarze  389:                        man->flags |= MAN_BLINE;
1.27      kristaps  390:                        return(1);
1.75      schwarze  391:                } else if (n == man->last) {
                    392:                        man->flags |= MAN_BLINE;
1.27      kristaps  393:                        return(1);
                    394:                }
                    395:        }
                    396:
1.75      schwarze  397:        if ( ! rew_scope(MAN_HEAD, man, tok))
1.6       kristaps  398:                return(0);
1.75      schwarze  399:        return(man_body_alloc(man, line, ppos, tok));
1.4       kristaps  400: }
                    401:
1.19      kristaps  402: int
                    403: in_line_eoln(MACRO_PROT_ARGS)
1.3       kristaps  404: {
1.59      kristaps  405:        int              la;
1.19      kristaps  406:        char            *p;
                    407:        struct man_node *n;
1.3       kristaps  408:
1.75      schwarze  409:        if ( ! man_elem_alloc(man, line, ppos, tok))
1.3       kristaps  410:                return(0);
                    411:
1.75      schwarze  412:        n = man->last;
1.3       kristaps  413:
1.19      kristaps  414:        for (;;) {
                    415:                la = *pos;
1.75      schwarze  416:                if ( ! man_args(man, line, pos, buf, &p))
1.19      kristaps  417:                        break;
1.75      schwarze  418:                if ( ! man_word_alloc(man, line, la, p))
1.19      kristaps  419:                        return(0);
                    420:        }
1.78      schwarze  421:
                    422:        /*
                    423:         * Append MAN_EOS in case the last snipped argument
                    424:         * ends with a dot, e.g. `.IR syslog (3).'
                    425:         */
                    426:
                    427:        if (n != man->last &&
1.80      schwarze  428:            mandoc_eos(man->last->string, strlen(man->last->string)))
1.78      schwarze  429:                man->last->flags |= MAN_EOS;
1.3       kristaps  430:
1.31      kristaps  431:        /*
                    432:         * If no arguments are specified and this is MAN_SCOPED (i.e.,
                    433:         * next-line scoped), then set our mode to indicate that we're
                    434:         * waiting for terms to load into our context.
                    435:         */
                    436:
1.75      schwarze  437:        if (n == man->last && MAN_SCOPED & man_macros[tok].flags) {
1.31      kristaps  438:                assert( ! (MAN_NSCOPED & man_macros[tok].flags));
1.75      schwarze  439:                man->flags |= MAN_ELINE;
1.19      kristaps  440:                return(1);
1.82    ! schwarze  441:        }
1.3       kristaps  442:
1.31      kristaps  443:        /* Set ignorable context, if applicable. */
                    444:
                    445:        if (MAN_NSCOPED & man_macros[tok].flags) {
                    446:                assert( ! (MAN_SCOPED & man_macros[tok].flags));
1.75      schwarze  447:                man->flags |= MAN_ILINE;
1.31      kristaps  448:        }
1.64      kristaps  449:
1.75      schwarze  450:        assert(MAN_ROOT != man->last->type);
                    451:        man->next = MAN_NEXT_SIBLING;
1.82    ! schwarze  452:
1.19      kristaps  453:        /*
1.31      kristaps  454:         * Rewind our element scope.  Note that when TH is pruned, we'll
                    455:         * be back at the root, so make sure that we don't clobber as
                    456:         * its sibling.
1.19      kristaps  457:         */
1.3       kristaps  458:
1.75      schwarze  459:        for ( ; man->last; man->last = man->last->parent) {
                    460:                if (man->last == n)
1.19      kristaps  461:                        break;
1.75      schwarze  462:                if (man->last->type == MAN_ROOT)
1.19      kristaps  463:                        break;
1.75      schwarze  464:                if ( ! man_valid_post(man))
1.19      kristaps  465:                        return(0);
                    466:        }
1.3       kristaps  467:
1.75      schwarze  468:        assert(man->last);
1.3       kristaps  469:
                    470:        /*
1.82    ! schwarze  471:         * Same here regarding whether we're back at the root.
1.3       kristaps  472:         */
                    473:
1.75      schwarze  474:        if (man->last->type != MAN_ROOT && ! man_valid_post(man))
1.19      kristaps  475:                return(0);
1.3       kristaps  476:
1.19      kristaps  477:        return(1);
                    478: }
1.3       kristaps  479:
                    480:
1.19      kristaps  481: int
1.75      schwarze  482: man_macroend(struct man *man)
1.19      kristaps  483: {
1.22      kristaps  484:
1.75      schwarze  485:        return(man_unscope(man, man->first, MANDOCERR_SCOPEEXIT));
1.19      kristaps  486: }
1.3       kristaps  487:
1.60      kristaps  488: static int
1.75      schwarze  489: man_args(struct man *man, int line, int *pos, char *buf, char **v)
1.60      kristaps  490: {
                    491:        char     *start;
                    492:
                    493:        assert(*pos);
                    494:        *v = start = buf + *pos;
                    495:        assert(' ' != *start);
                    496:
                    497:        if ('\0' == *start)
                    498:                return(0);
                    499:
1.75      schwarze  500:        *v = mandoc_getarg(man->parse, v, line, pos);
1.60      kristaps  501:        return(1);
                    502: }

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