[BACK]Return to man_macro.c CVS log [TXT][DIR] Up to [cvsweb.bsd.lv] / mandoc

Annotation of mandoc/man_macro.c, Revision 1.101

1.101   ! schwarze    1: /*     $Id: man_macro.c,v 1.100 2015/03/20 14:47:52 schwarze Exp $ */
1.1       kristaps    2: /*
1.65      schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.93      schwarze    4:  * Copyright (c) 2012, 2013, 2014, 2015 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:  *
1.101   ! 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>
                     25: #include <stdlib.h>
                     26: #include <string.h>
                     27:
1.101   ! schwarze   28: #include "mandoc.h"
        !            29: #include "roff.h"
1.58      kristaps   30: #include "man.h"
1.57      kristaps   31: #include "libmandoc.h"
1.1       kristaps   32: #include "libman.h"
                     33:
1.34      kristaps   34: enum   rew {
                     35:        REW_REWIND,
                     36:        REW_NOHALT,
1.40      kristaps   37:        REW_HALT
1.34      kristaps   38: };
1.19      kristaps   39:
1.91      schwarze   40: static void             blk_close(MACRO_PROT_ARGS);
                     41: static void             blk_exp(MACRO_PROT_ARGS);
                     42: static void             blk_imp(MACRO_PROT_ARGS);
                     43: static void             in_line_eoln(MACRO_PROT_ARGS);
1.82      schwarze   44: static int              man_args(struct man *, int,
1.60      kristaps   45:                                int *, char *, char **);
1.19      kristaps   46:
1.101   ! schwarze   47: static void             rew_scope(enum roff_type,
1.33      kristaps   48:                                struct man *, enum mant);
1.101   ! schwarze   49: static enum rew         rew_dohalt(enum mant, enum roff_type,
1.19      kristaps   50:                                const struct man_node *);
1.101   ! schwarze   51: static enum rew         rew_block(enum mant, enum roff_type,
1.21      kristaps   52:                                const struct man_node *);
1.19      kristaps   53:
                     54: const  struct man_macro __man_macros[MAN_MAX] = {
1.31      kristaps   55:        { in_line_eoln, MAN_NSCOPED }, /* br */
1.66      schwarze   56:        { in_line_eoln, MAN_BSCOPE }, /* TH */
                     57:        { blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* SH */
                     58:        { blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* SS */
1.99      schwarze   59:        { blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* TP */
1.66      schwarze   60:        { blk_imp, MAN_BSCOPE }, /* LP */
                     61:        { blk_imp, MAN_BSCOPE }, /* PP */
                     62:        { blk_imp, MAN_BSCOPE }, /* P */
                     63:        { blk_imp, MAN_BSCOPE }, /* IP */
                     64:        { blk_imp, MAN_BSCOPE }, /* HP */
1.90      schwarze   65:        { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* SM */
                     66:        { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* SB */
1.19      kristaps   67:        { in_line_eoln, 0 }, /* BI */
                     68:        { in_line_eoln, 0 }, /* IB */
                     69:        { in_line_eoln, 0 }, /* BR */
                     70:        { in_line_eoln, 0 }, /* RB */
1.90      schwarze   71:        { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* R */
                     72:        { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* B */
                     73:        { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* I */
1.19      kristaps   74:        { in_line_eoln, 0 }, /* IR */
                     75:        { in_line_eoln, 0 }, /* RI */
1.31      kristaps   76:        { in_line_eoln, MAN_NSCOPED }, /* sp */
1.66      schwarze   77:        { in_line_eoln, MAN_BSCOPE }, /* nf */
                     78:        { in_line_eoln, MAN_BSCOPE }, /* fi */
1.92      schwarze   79:        { blk_close, MAN_BSCOPE }, /* RE */
1.99      schwarze   80:        { blk_exp, MAN_BSCOPE }, /* RS */
1.23      kristaps   81:        { in_line_eoln, 0 }, /* DT */
1.28      kristaps   82:        { in_line_eoln, 0 }, /* UC */
1.100     schwarze   83:        { in_line_eoln, MAN_NSCOPED }, /* PD */
1.45      joerg      84:        { in_line_eoln, 0 }, /* AT */
1.49      kristaps   85:        { in_line_eoln, 0 }, /* in */
1.53      kristaps   86:        { in_line_eoln, 0 }, /* ft */
1.71      kristaps   87:        { in_line_eoln, 0 }, /* OP */
1.72      schwarze   88:        { in_line_eoln, MAN_BSCOPE }, /* EX */
                     89:        { in_line_eoln, MAN_BSCOPE }, /* EE */
1.99      schwarze   90:        { blk_exp, MAN_BSCOPE }, /* UR */
1.92      schwarze   91:        { blk_close, MAN_BSCOPE }, /* UE */
1.81      schwarze   92:        { in_line_eoln, 0 }, /* ll */
1.19      kristaps   93: };
1.9       kristaps   94:
1.19      kristaps   95: const  struct man_macro * const man_macros = __man_macros;
1.1       kristaps   96:
                     97:
1.91      schwarze   98: void
1.83      schwarze   99: man_unscope(struct man *man, const struct man_node *to)
1.1       kristaps  100: {
1.55      kristaps  101:        struct man_node *n;
1.1       kristaps  102:
1.83      schwarze  103:        to = to->parent;
                    104:        n = man->last;
                    105:        while (n != to) {
1.87      schwarze  106:
                    107:                /* Reached the end of the document? */
                    108:
                    109:                if (to == NULL && ! (n->flags & MAN_VALID)) {
                    110:                        if (man->flags & (MAN_BLINE | MAN_ELINE) &&
                    111:                            man_macros[n->tok].flags & MAN_SCOPED) {
                    112:                                mandoc_vmsg(MANDOCERR_BLK_LINE,
                    113:                                    man->parse, n->line, n->pos,
                    114:                                    "EOF breaks %s",
                    115:                                    man_macronames[n->tok]);
                    116:                                if (man->flags & MAN_ELINE)
                    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;
                    125:                                man_node_delete(man, man->last);
                    126:                                continue;
                    127:                        }
1.101   ! schwarze  128:                        if (n->type == ROFFT_BLOCK &&
1.99      schwarze  129:                            man_macros[n->tok].fp == blk_exp)
1.87      schwarze  130:                                mandoc_msg(MANDOCERR_BLK_NOEND,
                    131:                                    man->parse, n->line, n->pos,
                    132:                                    man_macronames[n->tok]);
                    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;
1.91      schwarze  144:                man_valid_post(man);
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) ?
                    155:            MAN_NEXT_CHILD : MAN_NEXT_SIBLING;
1.19      kristaps  156: }
1.1       kristaps  157:
1.34      kristaps  158: static enum rew
1.101   ! schwarze  159: rew_block(enum mant ntok, enum roff_type type, const struct man_node *n)
1.21      kristaps  160: {
                    161:
1.101   ! schwarze  162:        if (type == ROFFT_BLOCK && n->parent->tok == ntok &&
        !           163:            n->parent->type == ROFFT_BODY)
1.21      kristaps  164:                return(REW_REWIND);
                    165:        return(ntok == n->tok ? REW_HALT : REW_NOHALT);
                    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:  */
1.82      schwarze  173: static enum rew
1.101   ! schwarze  174: rew_dohalt(enum mant tok, enum roff_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. */
1.101   ! schwarze  179:        if (n->type == ROFFT_ROOT)
1.19      kristaps  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. */
1.101   ! schwarze  185:        if (n->parent->type == ROFFT_ROOT)
1.19      kristaps  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) {
1.99      schwarze  194:                if (man_macros[n->tok].fp == blk_exp)
1.73      schwarze  195:                        return(REW_HALT);
                    196:                else
                    197:                        return(REW_REWIND);
                    198:        }
1.21      kristaps  199:
1.82      schwarze  200:        /*
1.38      kristaps  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) {
1.82      schwarze  206:        case MAN_SH:
1.19      kristaps  207:                break;
1.82      schwarze  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;
1.82      schwarze  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:
1.19      kristaps  241: /*
                    242:  * Rewinding entails ascending the parse tree until a coherent point,
                    243:  * for example, the `SH' macro will close out any intervening `SS'
                    244:  * scopes.  When a scope is closed, it must be validated and actioned.
                    245:  */
1.91      schwarze  246: static void
1.101   ! schwarze  247: rew_scope(enum roff_type type, struct man *man, enum mant tok)
1.19      kristaps  248: {
                    249:        struct man_node *n;
1.34      kristaps  250:        enum rew         c;
1.7       kristaps  251:
1.75      schwarze  252:        for (n = man->last; n; n = n->parent) {
1.82      schwarze  253:                /*
1.19      kristaps  254:                 * Whether we should stop immediately (REW_HALT), stop
                    255:                 * and rewind until this point (REW_REWIND), or keep
                    256:                 * rewinding (REW_NOHALT).
                    257:                 */
                    258:                c = rew_dohalt(tok, type, n);
                    259:                if (REW_HALT == c)
1.91      schwarze  260:                        return;
1.19      kristaps  261:                if (REW_REWIND == c)
1.7       kristaps  262:                        break;
1.6       kristaps  263:        }
1.1       kristaps  264:
1.82      schwarze  265:        /*
1.38      kristaps  266:         * Rewind until the current point.  Warn if we're a roff
                    267:         * instruction that's mowing over explicit scopes.
                    268:         */
1.19      kristaps  269:
1.91      schwarze  270:        man_unscope(man, n);
1.19      kristaps  271: }
                    272:
1.6       kristaps  273:
1.36      kristaps  274: /*
                    275:  * Close out a generic explicit macro.
                    276:  */
1.91      schwarze  277: void
1.21      kristaps  278: blk_close(MACRO_PROT_ARGS)
                    279: {
1.82      schwarze  280:        enum mant                ntok;
1.21      kristaps  281:        const struct man_node   *nn;
1.93      schwarze  282:        char                    *p;
                    283:        int                      nrew, target;
1.21      kristaps  284:
1.93      schwarze  285:        nrew = 1;
1.21      kristaps  286:        switch (tok) {
1.82      schwarze  287:        case MAN_RE:
1.21      kristaps  288:                ntok = MAN_RS;
1.93      schwarze  289:                if ( ! man_args(man, line, pos, buf, &p))
                    290:                        break;
                    291:                for (nn = man->last->parent; nn; nn = nn->parent)
1.101   ! schwarze  292:                        if (nn->tok == ntok && nn->type == ROFFT_BLOCK)
1.93      schwarze  293:                                nrew++;
                    294:                target = strtol(p, &p, 10);
                    295:                if (*p != '\0')
                    296:                        mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse,
                    297:                            line, p - buf, "RE ... %s", p);
                    298:                if (target == 0)
                    299:                        target = 1;
                    300:                nrew -= target;
                    301:                if (nrew < 1) {
                    302:                        mandoc_vmsg(MANDOCERR_RE_NOTOPEN, man->parse,
                    303:                            line, ppos, "RE %d", target);
                    304:                        return;
                    305:                }
1.76      schwarze  306:                break;
1.82      schwarze  307:        case MAN_UE:
1.76      schwarze  308:                ntok = MAN_UR;
1.21      kristaps  309:                break;
                    310:        default:
                    311:                abort();
                    312:                /* NOTREACHED */
                    313:        }
                    314:
1.75      schwarze  315:        for (nn = man->last->parent; nn; nn = nn->parent)
1.101   ! schwarze  316:                if (nn->tok == ntok && nn->type == ROFFT_BLOCK && ! --nrew)
1.21      kristaps  317:                        break;
                    318:
1.91      schwarze  319:        if (nn == NULL) {
1.84      schwarze  320:                mandoc_msg(MANDOCERR_BLK_NOTOPEN, man->parse,
                    321:                    line, ppos, man_macronames[tok]);
1.101   ! schwarze  322:                rew_scope(ROFFT_BLOCK, man, MAN_PP);
1.95      schwarze  323:        } else {
                    324:                line = man->last->line;
                    325:                ppos = man->last->pos;
                    326:                ntok = man->last->tok;
1.83      schwarze  327:                man_unscope(man, nn);
1.95      schwarze  328:
                    329:                /* Move a trailing paragraph behind the block. */
                    330:
                    331:                if (ntok == MAN_LP || ntok == MAN_PP || ntok == MAN_P) {
                    332:                        *pos = strlen(buf);
                    333:                        blk_imp(man, ntok, line, ppos, pos, buf);
                    334:                }
                    335:        }
1.21      kristaps  336: }
                    337:
1.91      schwarze  338: void
1.35      kristaps  339: blk_exp(MACRO_PROT_ARGS)
                    340: {
1.98      schwarze  341:        struct man_node *head;
                    342:        char            *p;
1.59      kristaps  343:        int              la;
1.35      kristaps  344:
1.101   ! schwarze  345:        rew_scope(ROFFT_BLOCK, man, tok);
1.91      schwarze  346:        man_block_alloc(man, line, ppos, tok);
                    347:        man_head_alloc(man, line, ppos, tok);
1.98      schwarze  348:        head = man->last;
1.35      kristaps  349:
1.98      schwarze  350:        la = *pos;
                    351:        if (man_args(man, line, pos, buf, &p))
1.91      schwarze  352:                man_word_alloc(man, line, la, p);
1.35      kristaps  353:
1.98      schwarze  354:        if (buf[*pos] != '\0')
                    355:                mandoc_vmsg(MANDOCERR_ARG_EXCESS,
                    356:                    man->parse, line, *pos, "%s ... %s",
                    357:                    man_macronames[tok], buf + *pos);
1.73      schwarze  358:
1.98      schwarze  359:        man_unscope(man, head);
1.91      schwarze  360:        man_body_alloc(man, line, ppos, tok);
1.35      kristaps  361: }
                    362:
1.19      kristaps  363: /*
1.101   ! schwarze  364:  * Parse an implicit-block macro.  These contain a ROFFT_HEAD and a
        !           365:  * ROFFT_BODY contained within a ROFFT_BLOCK.  Rules for closing out other
1.19      kristaps  366:  * scopes, such as `SH' closing out an `SS', are defined in the rew
                    367:  * routines.
                    368:  */
1.91      schwarze  369: void
1.19      kristaps  370: blk_imp(MACRO_PROT_ARGS)
                    371: {
1.59      kristaps  372:        int              la;
1.19      kristaps  373:        char            *p;
1.25      kristaps  374:        struct man_node *n;
1.19      kristaps  375:
1.101   ! schwarze  376:        rew_scope(ROFFT_BODY, man, tok);
        !           377:        rew_scope(ROFFT_BLOCK, man, tok);
1.91      schwarze  378:        man_block_alloc(man, line, ppos, tok);
                    379:        man_head_alloc(man, line, ppos, tok);
1.75      schwarze  380:        n = man->last;
1.25      kristaps  381:
1.19      kristaps  382:        /* Add line arguments. */
1.3       kristaps  383:
1.19      kristaps  384:        for (;;) {
                    385:                la = *pos;
1.75      schwarze  386:                if ( ! man_args(man, line, pos, buf, &p))
1.19      kristaps  387:                        break;
1.91      schwarze  388:                man_word_alloc(man, line, la, p);
1.6       kristaps  389:        }
                    390:
1.99      schwarze  391:        /*
                    392:         * For macros having optional next-line scope,
                    393:         * keep the head open if there were no arguments.
                    394:         * For `TP', always keep the head open.
                    395:         */
1.19      kristaps  396:
1.99      schwarze  397:        if (man_macros[tok].flags & MAN_SCOPED &&
                    398:            (tok == MAN_TP || n == man->last)) {
                    399:                man->flags |= MAN_BLINE;
                    400:                return;
1.27      kristaps  401:        }
1.99      schwarze  402:
                    403:        /* Close out the head and open the body. */
                    404:
1.101   ! schwarze  405:        rew_scope(ROFFT_HEAD, man, tok);
1.91      schwarze  406:        man_body_alloc(man, line, ppos, tok);
1.4       kristaps  407: }
                    408:
1.91      schwarze  409: void
1.19      kristaps  410: in_line_eoln(MACRO_PROT_ARGS)
1.3       kristaps  411: {
1.59      kristaps  412:        int              la;
1.19      kristaps  413:        char            *p;
                    414:        struct man_node *n;
1.3       kristaps  415:
1.91      schwarze  416:        man_elem_alloc(man, line, ppos, tok);
1.75      schwarze  417:        n = man->last;
1.3       kristaps  418:
1.19      kristaps  419:        for (;;) {
1.96      schwarze  420:                if (buf[*pos] != '\0' && (tok == MAN_br ||
                    421:                    tok == MAN_fi || tok == MAN_nf)) {
                    422:                        mandoc_vmsg(MANDOCERR_ARG_SKIP,
                    423:                            man->parse, line, *pos, "%s %s",
1.97      schwarze  424:                            man_macronames[tok], buf + *pos);
                    425:                        break;
                    426:                }
                    427:                if (buf[*pos] != '\0' && man->last != n &&
                    428:                    (tok == MAN_PD || tok == MAN_ft || tok == MAN_sp)) {
                    429:                        mandoc_vmsg(MANDOCERR_ARG_EXCESS,
                    430:                            man->parse, line, *pos, "%s ... %s",
1.96      schwarze  431:                            man_macronames[tok], buf + *pos);
                    432:                        break;
                    433:                }
1.19      kristaps  434:                la = *pos;
1.75      schwarze  435:                if ( ! man_args(man, line, pos, buf, &p))
1.19      kristaps  436:                        break;
1.90      schwarze  437:                if (man_macros[tok].flags & MAN_JOIN &&
1.101   ! schwarze  438:                    man->last->type == ROFFT_TEXT)
1.90      schwarze  439:                        man_word_append(man, p);
1.91      schwarze  440:                else
                    441:                        man_word_alloc(man, line, la, p);
1.19      kristaps  442:        }
1.78      schwarze  443:
                    444:        /*
                    445:         * Append MAN_EOS in case the last snipped argument
                    446:         * ends with a dot, e.g. `.IR syslog (3).'
                    447:         */
                    448:
                    449:        if (n != man->last &&
1.80      schwarze  450:            mandoc_eos(man->last->string, strlen(man->last->string)))
1.78      schwarze  451:                man->last->flags |= MAN_EOS;
1.3       kristaps  452:
1.31      kristaps  453:        /*
                    454:         * If no arguments are specified and this is MAN_SCOPED (i.e.,
                    455:         * next-line scoped), then set our mode to indicate that we're
                    456:         * waiting for terms to load into our context.
                    457:         */
                    458:
1.91      schwarze  459:        if (n == man->last && man_macros[tok].flags & MAN_SCOPED) {
                    460:                assert( ! (man_macros[tok].flags & MAN_NSCOPED));
1.75      schwarze  461:                man->flags |= MAN_ELINE;
1.91      schwarze  462:                return;
1.31      kristaps  463:        }
1.64      kristaps  464:
1.101   ! schwarze  465:        assert(man->last->type != ROFFT_ROOT);
1.75      schwarze  466:        man->next = MAN_NEXT_SIBLING;
1.82      schwarze  467:
1.19      kristaps  468:        /*
1.31      kristaps  469:         * Rewind our element scope.  Note that when TH is pruned, we'll
                    470:         * be back at the root, so make sure that we don't clobber as
                    471:         * its sibling.
1.19      kristaps  472:         */
1.3       kristaps  473:
1.75      schwarze  474:        for ( ; man->last; man->last = man->last->parent) {
                    475:                if (man->last == n)
1.19      kristaps  476:                        break;
1.101   ! schwarze  477:                if (man->last->type == ROFFT_ROOT)
1.19      kristaps  478:                        break;
1.91      schwarze  479:                man_valid_post(man);
1.19      kristaps  480:        }
1.3       kristaps  481:
1.75      schwarze  482:        assert(man->last);
1.3       kristaps  483:
                    484:        /*
1.82      schwarze  485:         * Same here regarding whether we're back at the root.
1.3       kristaps  486:         */
                    487:
1.101   ! schwarze  488:        if (man->last->type != ROFFT_ROOT)
1.91      schwarze  489:                man_valid_post(man);
1.19      kristaps  490: }
1.3       kristaps  491:
                    492:
1.91      schwarze  493: void
1.75      schwarze  494: man_macroend(struct man *man)
1.19      kristaps  495: {
1.22      kristaps  496:
1.91      schwarze  497:        man_unscope(man, man->first);
1.19      kristaps  498: }
1.3       kristaps  499:
1.60      kristaps  500: static int
1.75      schwarze  501: man_args(struct man *man, int line, int *pos, char *buf, char **v)
1.60      kristaps  502: {
                    503:        char     *start;
                    504:
                    505:        assert(*pos);
                    506:        *v = start = buf + *pos;
                    507:        assert(' ' != *start);
                    508:
                    509:        if ('\0' == *start)
                    510:                return(0);
                    511:
1.75      schwarze  512:        *v = mandoc_getarg(man->parse, v, line, pos);
1.60      kristaps  513:        return(1);
                    514: }

CVSweb