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Annotation of mandoc/man_macro.c, Revision 1.148

1.148   ! schwarze    1: /* $Id: man_macro.c,v 1.147 2022/04/14 16:43:44 schwarze Exp $ */
1.1       kristaps    2: /*
1.146     schwarze    3:  * Copyright (c) 2012-2015,2017-2020,2022 Ingo Schwarze <schwarze@openbsd.org>
1.65      schwarze    4:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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:  *
1.101     schwarze   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.14      kristaps   12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.101     schwarze   13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.14      kristaps   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: #include "config.h"
1.88      schwarze   20:
                     21: #include <sys/types.h>
1.30      kristaps   22:
1.1       kristaps   23: #include <assert.h>
                     24: #include <ctype.h>
1.134     schwarze   25: #include <stdio.h>
1.1       kristaps   26: #include <stdlib.h>
                     27: #include <string.h>
                     28:
1.147     schwarze   29: #if DEBUG_MEMORY
                     30: #include "mandoc_dbg.h"
                     31: #endif
1.101     schwarze   32: #include "mandoc.h"
                     33: #include "roff.h"
1.58      kristaps   34: #include "man.h"
1.57      kristaps   35: #include "libmandoc.h"
1.106     schwarze   36: #include "roff_int.h"
1.1       kristaps   37: #include "libman.h"
                     38:
1.91      schwarze   39: static void             blk_close(MACRO_PROT_ARGS);
                     40: static void             blk_exp(MACRO_PROT_ARGS);
                     41: static void             blk_imp(MACRO_PROT_ARGS);
                     42: static void             in_line_eoln(MACRO_PROT_ARGS);
1.105     schwarze   43: static int              man_args(struct roff_man *, int,
1.60      kristaps   44:                                int *, char *, char **);
1.116     schwarze   45: static void             rew_scope(struct roff_man *, enum roff_tok);
1.19      kristaps   46:
1.127     schwarze   47: static const struct man_macro man_macros[MAN_MAX - MAN_TH] = {
1.133     schwarze   48:        { in_line_eoln, MAN_XSCOPE }, /* TH */
                     49:        { blk_imp, MAN_XSCOPE | MAN_BSCOPED }, /* SH */
                     50:        { blk_imp, MAN_XSCOPE | MAN_BSCOPED }, /* SS */
                     51:        { blk_imp, MAN_XSCOPE | MAN_BSCOPED }, /* TP */
                     52:        { blk_imp, MAN_XSCOPE | MAN_BSCOPED }, /* TQ */
                     53:        { blk_imp, MAN_XSCOPE }, /* LP */
                     54:        { blk_imp, MAN_XSCOPE }, /* PP */
                     55:        { blk_imp, MAN_XSCOPE }, /* P */
                     56:        { blk_imp, MAN_XSCOPE }, /* IP */
                     57:        { blk_imp, MAN_XSCOPE }, /* HP */
                     58:        { in_line_eoln, MAN_NSCOPED | MAN_ESCOPED | MAN_JOIN }, /* SM */
                     59:        { in_line_eoln, MAN_NSCOPED | MAN_ESCOPED | MAN_JOIN }, /* SB */
1.19      kristaps   60:        { in_line_eoln, 0 }, /* BI */
                     61:        { in_line_eoln, 0 }, /* IB */
                     62:        { in_line_eoln, 0 }, /* BR */
                     63:        { in_line_eoln, 0 }, /* RB */
1.133     schwarze   64:        { in_line_eoln, MAN_NSCOPED | MAN_ESCOPED | MAN_JOIN }, /* R */
                     65:        { in_line_eoln, MAN_NSCOPED | MAN_ESCOPED | MAN_JOIN }, /* B */
                     66:        { in_line_eoln, MAN_NSCOPED | MAN_ESCOPED | MAN_JOIN }, /* I */
1.19      kristaps   67:        { in_line_eoln, 0 }, /* IR */
                     68:        { in_line_eoln, 0 }, /* RI */
1.133     schwarze   69:        { blk_close, MAN_XSCOPE }, /* RE */
                     70:        { blk_exp, MAN_XSCOPE }, /* RS */
1.148   ! schwarze   71:        { in_line_eoln, MAN_NSCOPED }, /* DT */
        !            72:        { in_line_eoln, MAN_NSCOPED }, /* UC */
1.100     schwarze   73:        { in_line_eoln, MAN_NSCOPED }, /* PD */
1.148   ! schwarze   74:        { in_line_eoln, MAN_NSCOPED }, /* AT */
1.122     schwarze   75:        { in_line_eoln, MAN_NSCOPED }, /* in */
1.133     schwarze   76:        { blk_imp, MAN_XSCOPE }, /* SY */
                     77:        { blk_close, MAN_XSCOPE }, /* YS */
1.71      kristaps   78:        { in_line_eoln, 0 }, /* OP */
1.133     schwarze   79:        { in_line_eoln, MAN_XSCOPE }, /* EX */
                     80:        { in_line_eoln, MAN_XSCOPE }, /* EE */
                     81:        { blk_exp, MAN_XSCOPE }, /* UR */
                     82:        { blk_close, MAN_XSCOPE }, /* UE */
                     83:        { blk_exp, MAN_XSCOPE }, /* MT */
                     84:        { blk_close, MAN_XSCOPE }, /* ME */
1.19      kristaps   85: };
1.1       kristaps   86:
                     87:
1.127     schwarze   88: const struct man_macro *
                     89: man_macro(enum roff_tok tok)
                     90: {
                     91:        assert(tok >= MAN_TH && tok <= MAN_MAX);
                     92:        return man_macros + (tok - MAN_TH);
                     93: }
                     94:
1.91      schwarze   95: void
1.105     schwarze   96: man_unscope(struct roff_man *man, const struct roff_node *to)
1.1       kristaps   97: {
1.102     schwarze   98:        struct roff_node *n;
1.1       kristaps   99:
1.83      schwarze  100:        to = to->parent;
                    101:        n = man->last;
                    102:        while (n != to) {
1.87      schwarze  103:
                    104:                /* Reached the end of the document? */
                    105:
1.115     schwarze  106:                if (to == NULL && ! (n->flags & NODE_VALID)) {
1.87      schwarze  107:                        if (man->flags & (MAN_BLINE | MAN_ELINE) &&
1.133     schwarze  108:                            man_macro(n->tok)->flags &
                    109:                             (MAN_BSCOPED | MAN_NSCOPED)) {
1.135     schwarze  110:                                mandoc_msg(MANDOCERR_BLK_LINE,
                    111:                                    n->line, n->pos,
1.116     schwarze  112:                                    "EOF breaks %s", roff_name[n->tok]);
1.145     schwarze  113:                                if (man->flags & MAN_ELINE) {
1.146     schwarze  114:                                        if (n->parent->type == ROFFT_ROOT ||
                    115:                                            (man_macro(n->parent->tok)->flags &
1.145     schwarze  116:                                            MAN_ESCOPED) == 0)
                    117:                                                man->flags &= ~MAN_ELINE;
                    118:                                } else {
1.101     schwarze  119:                                        assert(n->type == ROFFT_HEAD);
1.87      schwarze  120:                                        n = n->parent;
                    121:                                        man->flags &= ~MAN_BLINE;
                    122:                                }
                    123:                                man->last = n;
                    124:                                n = n->parent;
1.106     schwarze  125:                                roff_node_delete(man, man->last);
1.87      schwarze  126:                                continue;
                    127:                        }
1.101     schwarze  128:                        if (n->type == ROFFT_BLOCK &&
1.127     schwarze  129:                            man_macro(n->tok)->fp == blk_exp)
1.87      schwarze  130:                                mandoc_msg(MANDOCERR_BLK_NOEND,
1.135     schwarze  131:                                    n->line, n->pos, "%s",
1.116     schwarze  132:                                    roff_name[n->tok]);
1.87      schwarze  133:                }
                    134:
1.55      kristaps  135:                /*
1.83      schwarze  136:                 * We might delete the man->last node
                    137:                 * in the post-validation phase.
                    138:                 * Save a pointer to the parent such that
                    139:                 * we know where to continue the iteration.
1.55      kristaps  140:                 */
1.89      schwarze  141:
1.83      schwarze  142:                man->last = n;
                    143:                n = n->parent;
1.115     schwarze  144:                man->last->flags |= NODE_VALID;
1.19      kristaps  145:        }
1.89      schwarze  146:
                    147:        /*
                    148:         * If we ended up at the parent of the node we were
                    149:         * supposed to rewind to, that means the target node
                    150:         * got deleted, so add the next node we parse as a child
                    151:         * of the parent instead of as a sibling of the target.
                    152:         */
                    153:
                    154:        man->next = (man->last == to) ?
1.105     schwarze  155:            ROFF_NEXT_CHILD : ROFF_NEXT_SIBLING;
1.19      kristaps  156: }
1.1       kristaps  157:
1.19      kristaps  158: /*
                    159:  * Rewinding entails ascending the parse tree until a coherent point,
                    160:  * for example, the `SH' macro will close out any intervening `SS'
                    161:  * scopes.  When a scope is closed, it must be validated and actioned.
                    162:  */
1.91      schwarze  163: static void
1.116     schwarze  164: rew_scope(struct roff_man *man, enum roff_tok tok)
1.19      kristaps  165: {
1.102     schwarze  166:        struct roff_node *n;
1.7       kristaps  167:
1.104     schwarze  168:        /* Preserve empty paragraphs before RS. */
                    169:
                    170:        n = man->last;
1.114     schwarze  171:        if (tok == MAN_RS && n->child == NULL &&
1.104     schwarze  172:            (n->tok == MAN_P || n->tok == MAN_PP || n->tok == MAN_LP))
                    173:                return;
                    174:
                    175:        for (;;) {
                    176:                if (n->type == ROFFT_ROOT)
                    177:                        return;
1.115     schwarze  178:                if (n->flags & NODE_VALID) {
1.104     schwarze  179:                        n = n->parent;
                    180:                        continue;
                    181:                }
                    182:                if (n->type != ROFFT_BLOCK) {
                    183:                        if (n->parent->type == ROFFT_ROOT) {
                    184:                                man_unscope(man, n);
                    185:                                return;
                    186:                        } else {
                    187:                                n = n->parent;
                    188:                                continue;
                    189:                        }
                    190:                }
                    191:                if (tok != MAN_SH && (n->tok == MAN_SH ||
                    192:                    (tok != MAN_SS && (n->tok == MAN_SS ||
1.127     schwarze  193:                     man_macro(n->tok)->fp == blk_exp))))
1.91      schwarze  194:                        return;
1.104     schwarze  195:                man_unscope(man, n);
                    196:                n = man->last;
1.6       kristaps  197:        }
1.19      kristaps  198: }
                    199:
1.6       kristaps  200:
1.36      kristaps  201: /*
                    202:  * Close out a generic explicit macro.
                    203:  */
1.91      schwarze  204: void
1.21      kristaps  205: blk_close(MACRO_PROT_ARGS)
                    206: {
1.124     schwarze  207:        enum roff_tok            ctok, ntok;
1.102     schwarze  208:        const struct roff_node  *nn;
1.137     schwarze  209:        char                    *p, *ep;
                    210:        int                      cline, cpos, la, nrew, target;
1.21      kristaps  211:
1.93      schwarze  212:        nrew = 1;
1.21      kristaps  213:        switch (tok) {
1.82      schwarze  214:        case MAN_RE:
1.21      kristaps  215:                ntok = MAN_RS;
1.137     schwarze  216:                la = *pos;
1.93      schwarze  217:                if ( ! man_args(man, line, pos, buf, &p))
                    218:                        break;
                    219:                for (nn = man->last->parent; nn; nn = nn->parent)
1.101     schwarze  220:                        if (nn->tok == ntok && nn->type == ROFFT_BLOCK)
1.93      schwarze  221:                                nrew++;
1.137     schwarze  222:                target = strtol(p, &ep, 10);
                    223:                if (*ep != '\0')
1.135     schwarze  224:                        mandoc_msg(MANDOCERR_ARG_EXCESS, line,
1.137     schwarze  225:                            la + (buf[la] == '"') + (int)(ep - p),
                    226:                            "RE ... %s", ep);
                    227:                free(p);
1.93      schwarze  228:                if (target == 0)
                    229:                        target = 1;
                    230:                nrew -= target;
                    231:                if (nrew < 1) {
1.135     schwarze  232:                        mandoc_msg(MANDOCERR_RE_NOTOPEN,
1.93      schwarze  233:                            line, ppos, "RE %d", target);
                    234:                        return;
                    235:                }
1.128     schwarze  236:                break;
                    237:        case MAN_YS:
                    238:                ntok = MAN_SY;
1.76      schwarze  239:                break;
1.82      schwarze  240:        case MAN_UE:
1.76      schwarze  241:                ntok = MAN_UR;
1.123     schwarze  242:                break;
                    243:        case MAN_ME:
                    244:                ntok = MAN_MT;
1.21      kristaps  245:                break;
                    246:        default:
                    247:                abort();
                    248:        }
                    249:
1.75      schwarze  250:        for (nn = man->last->parent; nn; nn = nn->parent)
1.101     schwarze  251:                if (nn->tok == ntok && nn->type == ROFFT_BLOCK && ! --nrew)
1.21      kristaps  252:                        break;
                    253:
1.91      schwarze  254:        if (nn == NULL) {
1.135     schwarze  255:                mandoc_msg(MANDOCERR_BLK_NOTOPEN,
                    256:                    line, ppos, "%s", roff_name[tok]);
1.104     schwarze  257:                rew_scope(man, MAN_PP);
1.131     schwarze  258:                if (tok == MAN_RE) {
                    259:                        roff_elem_alloc(man, line, ppos, ROFF_br);
                    260:                        man->last->flags |= NODE_LINE |
                    261:                            NODE_VALID | NODE_ENDED;
                    262:                        man->next = ROFF_NEXT_SIBLING;
                    263:                }
1.124     schwarze  264:                return;
                    265:        }
                    266:
                    267:        cline = man->last->line;
                    268:        cpos = man->last->pos;
                    269:        ctok = man->last->tok;
                    270:        man_unscope(man, nn);
                    271:
                    272:        if (tok == MAN_RE && nn->head->aux > 0)
                    273:                roff_setreg(man->roff, "an-margin", nn->head->aux, '-');
                    274:
                    275:        /* Trailing text. */
                    276:
                    277:        if (buf[*pos] != '\0') {
                    278:                roff_word_alloc(man, line, ppos, buf + *pos);
                    279:                man->last->flags |= NODE_DELIMC;
1.130     schwarze  280:                if (mandoc_eos(man->last->string, strlen(man->last->string)))
                    281:                        man->last->flags |= NODE_EOS;
1.124     schwarze  282:        }
                    283:
                    284:        /* Move a trailing paragraph behind the block. */
                    285:
                    286:        if (ctok == MAN_LP || ctok == MAN_PP || ctok == MAN_P) {
                    287:                *pos = strlen(buf);
1.125     schwarze  288:                blk_imp(man, ctok, cline, cpos, pos, buf);
1.129     schwarze  289:        }
                    290:
                    291:        /* Synopsis blocks need an explicit end marker for spacing. */
                    292:
                    293:        if (tok == MAN_YS && man->last == nn) {
                    294:                roff_elem_alloc(man, line, ppos, tok);
                    295:                man_unscope(man, man->last);
1.95      schwarze  296:        }
1.21      kristaps  297: }
                    298:
1.91      schwarze  299: void
1.35      kristaps  300: blk_exp(MACRO_PROT_ARGS)
                    301: {
1.102     schwarze  302:        struct roff_node *head;
1.98      schwarze  303:        char            *p;
1.59      kristaps  304:        int              la;
1.35      kristaps  305:
1.144     schwarze  306:        if (tok == MAN_RS) {
1.132     schwarze  307:                rew_scope(man, tok);
1.144     schwarze  308:                man->flags |= ROFF_NONOFILL;
                    309:        }
1.108     schwarze  310:        roff_block_alloc(man, line, ppos, tok);
1.106     schwarze  311:        head = roff_head_alloc(man, line, ppos, tok);
1.35      kristaps  312:
1.98      schwarze  313:        la = *pos;
1.121     schwarze  314:        if (man_args(man, line, pos, buf, &p)) {
1.107     schwarze  315:                roff_word_alloc(man, line, la, p);
1.121     schwarze  316:                if (tok == MAN_RS) {
                    317:                        if (roff_getreg(man->roff, "an-margin") == 0)
                    318:                                roff_setreg(man->roff, "an-margin",
                    319:                                    7 * 24, '=');
                    320:                        if ((head->aux = strtod(p, NULL) * 24.0) > 0)
                    321:                                roff_setreg(man->roff, "an-margin",
                    322:                                    head->aux, '+');
                    323:                }
1.137     schwarze  324:                free(p);
1.121     schwarze  325:        }
1.35      kristaps  326:
1.98      schwarze  327:        if (buf[*pos] != '\0')
1.135     schwarze  328:                mandoc_msg(MANDOCERR_ARG_EXCESS, line, *pos,
                    329:                    "%s ... %s", roff_name[tok], buf + *pos);
1.73      schwarze  330:
1.98      schwarze  331:        man_unscope(man, head);
1.106     schwarze  332:        roff_body_alloc(man, line, ppos, tok);
1.144     schwarze  333:        man->flags &= ~ROFF_NONOFILL;
1.35      kristaps  334: }
                    335:
1.19      kristaps  336: /*
1.101     schwarze  337:  * Parse an implicit-block macro.  These contain a ROFFT_HEAD and a
                    338:  * ROFFT_BODY contained within a ROFFT_BLOCK.  Rules for closing out other
1.19      kristaps  339:  * scopes, such as `SH' closing out an `SS', are defined in the rew
                    340:  * routines.
                    341:  */
1.91      schwarze  342: void
1.19      kristaps  343: blk_imp(MACRO_PROT_ARGS)
                    344: {
1.59      kristaps  345:        int              la;
1.19      kristaps  346:        char            *p;
1.102     schwarze  347:        struct roff_node *n;
1.19      kristaps  348:
1.104     schwarze  349:        rew_scope(man, tok);
1.143     schwarze  350:        man->flags |= ROFF_NONOFILL;
1.140     schwarze  351:        if (tok == MAN_SH || tok == MAN_SS)
                    352:                man->flags &= ~ROFF_NOFILL;
                    353:        roff_block_alloc(man, line, ppos, tok);
1.106     schwarze  354:        n = roff_head_alloc(man, line, ppos, tok);
1.25      kristaps  355:
1.19      kristaps  356:        /* Add line arguments. */
1.3       kristaps  357:
1.19      kristaps  358:        for (;;) {
                    359:                la = *pos;
1.75      schwarze  360:                if ( ! man_args(man, line, pos, buf, &p))
1.19      kristaps  361:                        break;
1.107     schwarze  362:                roff_word_alloc(man, line, la, p);
1.137     schwarze  363:                free(p);
1.6       kristaps  364:        }
                    365:
1.99      schwarze  366:        /*
                    367:         * For macros having optional next-line scope,
                    368:         * keep the head open if there were no arguments.
1.133     schwarze  369:         * For `TP' and `TQ', always keep the head open.
1.99      schwarze  370:         */
1.19      kristaps  371:
1.133     schwarze  372:        if (man_macro(tok)->flags & MAN_BSCOPED &&
1.126     schwarze  373:            (tok == MAN_TP || tok == MAN_TQ || n == man->last)) {
1.99      schwarze  374:                man->flags |= MAN_BLINE;
                    375:                return;
1.27      kristaps  376:        }
1.99      schwarze  377:
                    378:        /* Close out the head and open the body. */
                    379:
1.103     schwarze  380:        man_unscope(man, n);
1.106     schwarze  381:        roff_body_alloc(man, line, ppos, tok);
1.143     schwarze  382:        man->flags &= ~ROFF_NONOFILL;
1.4       kristaps  383: }
                    384:
1.91      schwarze  385: void
1.19      kristaps  386: in_line_eoln(MACRO_PROT_ARGS)
1.3       kristaps  387: {
1.59      kristaps  388:        int              la;
1.19      kristaps  389:        char            *p;
1.102     schwarze  390:        struct roff_node *n;
1.3       kristaps  391:
1.108     schwarze  392:        roff_elem_alloc(man, line, ppos, tok);
1.75      schwarze  393:        n = man->last;
1.141     schwarze  394:
                    395:        if (tok == MAN_EX)
                    396:                man->flags |= ROFF_NOFILL;
                    397:        else if (tok == MAN_EE)
                    398:                man->flags &= ~ROFF_NOFILL;
1.147     schwarze  399:
                    400: #if DEBUG_MEMORY
                    401:        if (tok == MAN_TH)
                    402:                mandoc_dbg_name(buf);
                    403: #endif
1.3       kristaps  404:
1.19      kristaps  405:        for (;;) {
1.120     schwarze  406:                if (buf[*pos] != '\0' && man->last != n && tok == MAN_PD) {
1.135     schwarze  407:                        mandoc_msg(MANDOCERR_ARG_EXCESS, line, *pos,
                    408:                            "%s ... %s", roff_name[tok], buf + *pos);
1.96      schwarze  409:                        break;
                    410:                }
1.19      kristaps  411:                la = *pos;
1.75      schwarze  412:                if ( ! man_args(man, line, pos, buf, &p))
1.19      kristaps  413:                        break;
1.127     schwarze  414:                if (man_macro(tok)->flags & MAN_JOIN &&
1.101     schwarze  415:                    man->last->type == ROFFT_TEXT)
1.107     schwarze  416:                        roff_word_append(man, p);
1.91      schwarze  417:                else
1.107     schwarze  418:                        roff_word_alloc(man, line, la, p);
1.137     schwarze  419:                free(p);
1.19      kristaps  420:        }
1.78      schwarze  421:
                    422:        /*
1.115     schwarze  423:         * Append NODE_EOS in case the last snipped argument
1.78      schwarze  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)))
1.115     schwarze  429:                man->last->flags |= NODE_EOS;
1.3       kristaps  430:
1.31      kristaps  431:        /*
1.133     schwarze  432:         * If no arguments are specified and this is MAN_ESCOPED (i.e.,
1.31      kristaps  433:         * next-line scoped), then set our mode to indicate that we're
                    434:         * waiting for terms to load into our context.
                    435:         */
                    436:
1.133     schwarze  437:        if (n == man->last && man_macro(tok)->flags & MAN_ESCOPED) {
1.75      schwarze  438:                man->flags |= MAN_ELINE;
1.91      schwarze  439:                return;
1.31      kristaps  440:        }
1.64      kristaps  441:
1.101     schwarze  442:        assert(man->last->type != ROFFT_ROOT);
1.105     schwarze  443:        man->next = ROFF_NEXT_SIBLING;
1.82      schwarze  444:
1.113     schwarze  445:        /* Rewind our element scope. */
1.3       kristaps  446:
1.75      schwarze  447:        for ( ; man->last; man->last = man->last->parent) {
1.142     schwarze  448:                man->last->flags |= NODE_VALID;
1.75      schwarze  449:                if (man->last == n)
1.19      kristaps  450:                        break;
                    451:        }
1.133     schwarze  452:
                    453:        /* Rewind next-line scoped ancestors, if any. */
                    454:
                    455:        if (man_macro(tok)->flags & MAN_ESCOPED)
                    456:                man_descope(man, line, ppos, NULL);
1.19      kristaps  457: }
1.3       kristaps  458:
1.91      schwarze  459: void
1.109     schwarze  460: man_endparse(struct roff_man *man)
1.19      kristaps  461: {
1.138     schwarze  462:        man_unscope(man, man->meta.first);
1.19      kristaps  463: }
1.3       kristaps  464:
1.60      kristaps  465: static int
1.105     schwarze  466: man_args(struct roff_man *man, int line, int *pos, char *buf, char **v)
1.60      kristaps  467: {
                    468:        char     *start;
                    469:
                    470:        assert(*pos);
                    471:        *v = start = buf + *pos;
                    472:        assert(' ' != *start);
                    473:
                    474:        if ('\0' == *start)
1.112     schwarze  475:                return 0;
1.60      kristaps  476:
1.137     schwarze  477:        *v = roff_getarg(man->roff, v, line, pos);
1.112     schwarze  478:        return 1;
1.60      kristaps  479: }

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