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

Annotation of mandoc/man_macro.c, Revision 1.43

1.43    ! kristaps    1: /*     $Id: man_macro.c,v 1.42 2010/03/29 10:10:35 kristaps Exp $ */
1.1       kristaps    2: /*
1.15      kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.14      kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.14      kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
1.30      kristaps   17: #ifdef HAVE_CONFIG_H
                     18: #include "config.h"
                     19: #endif
                     20:
1.1       kristaps   21: #include <assert.h>
                     22: #include <ctype.h>
                     23: #include <stdlib.h>
                     24: #include <string.h>
                     25:
                     26: #include "libman.h"
                     27:
1.34      kristaps   28: enum   rew {
                     29:        REW_REWIND,
                     30:        REW_NOHALT,
1.40      kristaps   31:        REW_HALT
1.34      kristaps   32: };
1.19      kristaps   33:
1.35      kristaps   34: static int              blk_close(MACRO_PROT_ARGS);
                     35: static int              blk_dotted(MACRO_PROT_ARGS);
                     36: static int              blk_exp(MACRO_PROT_ARGS);
                     37: static int              blk_imp(MACRO_PROT_ARGS);
1.19      kristaps   38: static int              in_line_eoln(MACRO_PROT_ARGS);
                     39:
1.33      kristaps   40: static int              rew_scope(enum man_type,
                     41:                                struct man *, enum mant);
1.34      kristaps   42: static enum rew         rew_dohalt(enum mant, enum man_type,
1.19      kristaps   43:                                const struct man_node *);
1.34      kristaps   44: static enum rew         rew_block(enum mant, enum man_type,
1.21      kristaps   45:                                const struct man_node *);
1.38      kristaps   46: static int              rew_warn(struct man *,
                     47:                                struct man_node *, enum merr);
1.19      kristaps   48:
                     49: const  struct man_macro __man_macros[MAN_MAX] = {
1.31      kristaps   50:        { in_line_eoln, MAN_NSCOPED }, /* br */
1.19      kristaps   51:        { in_line_eoln, 0 }, /* TH */
1.24      kristaps   52:        { blk_imp, MAN_SCOPED }, /* SH */
                     53:        { blk_imp, MAN_SCOPED }, /* SS */
1.27      kristaps   54:        { blk_imp, MAN_SCOPED | MAN_FSCOPED }, /* TP */
1.19      kristaps   55:        { blk_imp, 0 }, /* LP */
                     56:        { blk_imp, 0 }, /* PP */
                     57:        { blk_imp, 0 }, /* P */
                     58:        { blk_imp, 0 }, /* IP */
                     59:        { blk_imp, 0 }, /* HP */
                     60:        { in_line_eoln, MAN_SCOPED }, /* SM */
                     61:        { in_line_eoln, MAN_SCOPED }, /* SB */
                     62:        { in_line_eoln, 0 }, /* BI */
                     63:        { in_line_eoln, 0 }, /* IB */
                     64:        { in_line_eoln, 0 }, /* BR */
                     65:        { in_line_eoln, 0 }, /* RB */
                     66:        { in_line_eoln, MAN_SCOPED }, /* R */
                     67:        { in_line_eoln, MAN_SCOPED }, /* B */
                     68:        { in_line_eoln, MAN_SCOPED }, /* I */
                     69:        { in_line_eoln, 0 }, /* IR */
                     70:        { in_line_eoln, 0 }, /* RI */
1.31      kristaps   71:        { in_line_eoln, MAN_NSCOPED }, /* na */
1.19      kristaps   72:        { in_line_eoln, 0 }, /* i */
1.31      kristaps   73:        { in_line_eoln, MAN_NSCOPED }, /* sp */
1.19      kristaps   74:        { in_line_eoln, 0 }, /* nf */
                     75:        { in_line_eoln, 0 }, /* fi */
                     76:        { in_line_eoln, 0 }, /* r */
1.21      kristaps   77:        { blk_close, 0 }, /* RE */
1.35      kristaps   78:        { blk_exp, MAN_EXPLICIT }, /* RS */
1.23      kristaps   79:        { in_line_eoln, 0 }, /* DT */
1.28      kristaps   80:        { in_line_eoln, 0 }, /* UC */
1.29      kristaps   81:        { in_line_eoln, 0 }, /* PD */
1.32      kristaps   82:        { in_line_eoln, MAN_NSCOPED }, /* Sp */
                     83:        { in_line_eoln, 0 }, /* Vb */
                     84:        { in_line_eoln, 0 }, /* Ve */
1.35      kristaps   85:        { blk_exp, MAN_EXPLICIT | MAN_NOCLOSE}, /* de */
                     86:        { blk_exp, MAN_EXPLICIT | MAN_NOCLOSE}, /* dei */
                     87:        { blk_exp, MAN_EXPLICIT | MAN_NOCLOSE}, /* am */
                     88:        { blk_exp, MAN_EXPLICIT | MAN_NOCLOSE}, /* ami */
                     89:        { blk_dotted, 0 }, /* . */
1.19      kristaps   90: };
1.9       kristaps   91:
1.19      kristaps   92: const  struct man_macro * const man_macros = __man_macros;
1.1       kristaps   93:
                     94:
1.38      kristaps   95: /*
                     96:  * Warn when "n" is an explicit non-roff macro.
                     97:  */
                     98: static int
                     99: rew_warn(struct man *m, struct man_node *n, enum merr er)
                    100: {
                    101:
                    102:        if (er == WERRMAX || MAN_BLOCK != n->type)
                    103:                return(1);
                    104:        if (MAN_VALID & n->flags)
                    105:                return(1);
                    106:        if ( ! (MAN_EXPLICIT & man_macros[n->tok].flags))
                    107:                return(1);
                    108:        if (MAN_NOCLOSE & man_macros[n->tok].flags)
                    109:                return(1);
                    110:        return(man_nwarn(m, n, er));
                    111: }
                    112:
                    113:
                    114: /*
                    115:  * Rewind scope.  If a code "er" != WERRMAX has been provided, it will
                    116:  * be used if an explicit block scope is being closed out.
                    117:  */
1.3       kristaps  118: int
1.38      kristaps  119: man_unscope(struct man *m, const struct man_node *n, enum merr er)
1.1       kristaps  120: {
                    121:
1.19      kristaps  122:        assert(n);
                    123:
                    124:        /* LINTED */
                    125:        while (m->last != n) {
1.38      kristaps  126:                if ( ! rew_warn(m, m->last, er))
                    127:                        return(0);
1.19      kristaps  128:                if ( ! man_valid_post(m))
                    129:                        return(0);
                    130:                if ( ! man_action_post(m))
                    131:                        return(0);
                    132:                m->last = m->last->parent;
                    133:                assert(m->last);
                    134:        }
                    135:
1.38      kristaps  136:        if ( ! rew_warn(m, m->last, er))
                    137:                return(0);
1.19      kristaps  138:        if ( ! man_valid_post(m))
1.1       kristaps  139:                return(0);
1.35      kristaps  140:        if ( ! man_action_post(m))
                    141:                return(0);
                    142:
                    143:        m->next = MAN_ROOT == m->last->type ?
                    144:                MAN_NEXT_CHILD : MAN_NEXT_SIBLING;
                    145:
                    146:        return(1);
1.19      kristaps  147: }
1.1       kristaps  148:
                    149:
1.34      kristaps  150: static enum rew
1.33      kristaps  151: rew_block(enum mant ntok, enum man_type type, const struct man_node *n)
1.21      kristaps  152: {
                    153:
                    154:        if (MAN_BLOCK == type && ntok == n->parent->tok &&
                    155:                        MAN_BODY == n->parent->type)
                    156:                return(REW_REWIND);
                    157:        return(ntok == n->tok ? REW_HALT : REW_NOHALT);
                    158: }
                    159:
                    160:
1.19      kristaps  161: /*
                    162:  * There are three scope levels: scoped to the root (all), scoped to the
                    163:  * section (all less sections), and scoped to subsections (all less
                    164:  * sections and subsections).
                    165:  */
1.34      kristaps  166: static enum rew
1.33      kristaps  167: rew_dohalt(enum mant tok, enum man_type type, const struct man_node *n)
1.19      kristaps  168: {
1.34      kristaps  169:        enum rew         c;
1.1       kristaps  170:
1.38      kristaps  171:        /* We cannot progress beyond the root ever. */
1.19      kristaps  172:        if (MAN_ROOT == n->type)
                    173:                return(REW_HALT);
1.38      kristaps  174:
1.19      kristaps  175:        assert(n->parent);
1.38      kristaps  176:
                    177:        /* Normal nodes shouldn't go to the level of the root. */
1.19      kristaps  178:        if (MAN_ROOT == n->parent->type)
                    179:                return(REW_REWIND);
1.38      kristaps  180:
                    181:        /* Already-validated nodes should be closed out. */
1.19      kristaps  182:        if (MAN_VALID & n->flags)
                    183:                return(REW_NOHALT);
                    184:
1.38      kristaps  185:        /* First: rewind to ourselves. */
1.21      kristaps  186:        if (type == n->type && tok == n->tok)
                    187:                return(REW_REWIND);
                    188:
1.38      kristaps  189:        /*
                    190:         * If we're a roff macro, then we can close out anything that
                    191:         * stands between us and our parent context.
                    192:         */
                    193:        if (MAN_NOCLOSE & man_macros[tok].flags)
                    194:                return(REW_NOHALT);
                    195:
                    196:        /*
                    197:         * Don't clobber roff macros: this is a bit complicated.  If the
                    198:         * current macro is a roff macro, halt immediately and don't
                    199:         * rewind.  If it's not, and the parent is, then close out the
                    200:         * current scope and halt at the parent.
                    201:         */
                    202:        if (MAN_NOCLOSE & man_macros[n->tok].flags)
                    203:                return(REW_HALT);
                    204:        if (MAN_NOCLOSE & man_macros[n->parent->tok].flags)
                    205:                return(REW_REWIND);
                    206:
                    207:        /*
                    208:         * Next follow the implicit scope-smashings as defined by man.7:
                    209:         * section, sub-section, etc.
                    210:         */
                    211:
1.19      kristaps  212:        switch (tok) {
                    213:        case (MAN_SH):
                    214:                break;
                    215:        case (MAN_SS):
1.20      kristaps  216:                /* Rewind to a section, if a block. */
1.21      kristaps  217:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    218:                        return(c);
                    219:                break;
                    220:        case (MAN_RS):
                    221:                /* Rewind to a subsection, if a block. */
                    222:                if (REW_NOHALT != (c = rew_block(MAN_SS, type, n)))
                    223:                        return(c);
                    224:                /* Rewind to a section, if a block. */
                    225:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    226:                        return(c);
1.19      kristaps  227:                break;
                    228:        default:
1.21      kristaps  229:                /* Rewind to an offsetter, if a block. */
                    230:                if (REW_NOHALT != (c = rew_block(MAN_RS, type, n)))
                    231:                        return(c);
1.20      kristaps  232:                /* Rewind to a subsection, if a block. */
1.21      kristaps  233:                if (REW_NOHALT != (c = rew_block(MAN_SS, type, n)))
                    234:                        return(c);
1.20      kristaps  235:                /* Rewind to a section, if a block. */
1.21      kristaps  236:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    237:                        return(c);
1.19      kristaps  238:                break;
1.3       kristaps  239:        }
1.1       kristaps  240:
1.19      kristaps  241:        return(REW_NOHALT);
                    242: }
1.9       kristaps  243:
                    244:
1.19      kristaps  245: /*
                    246:  * Rewinding entails ascending the parse tree until a coherent point,
                    247:  * for example, the `SH' macro will close out any intervening `SS'
                    248:  * scopes.  When a scope is closed, it must be validated and actioned.
                    249:  */
                    250: static int
1.33      kristaps  251: rew_scope(enum man_type type, struct man *m, enum mant tok)
1.19      kristaps  252: {
                    253:        struct man_node *n;
1.34      kristaps  254:        enum rew         c;
1.7       kristaps  255:
1.19      kristaps  256:        /* LINTED */
                    257:        for (n = m->last; n; n = n->parent) {
                    258:                /*
                    259:                 * Whether we should stop immediately (REW_HALT), stop
                    260:                 * and rewind until this point (REW_REWIND), or keep
                    261:                 * rewinding (REW_NOHALT).
                    262:                 */
                    263:                c = rew_dohalt(tok, type, n);
                    264:                if (REW_HALT == c)
                    265:                        return(1);
                    266:                if (REW_REWIND == c)
1.7       kristaps  267:                        break;
1.6       kristaps  268:        }
1.1       kristaps  269:
1.38      kristaps  270:        /*
                    271:         * Rewind until the current point.  Warn if we're a roff
                    272:         * instruction that's mowing over explicit scopes.
                    273:         */
                    274:        assert(n);
                    275:        if (MAN_NOCLOSE & man_macros[tok].flags)
                    276:                return(man_unscope(m, n, WROFFSCOPE));
1.19      kristaps  277:
1.38      kristaps  278:        return(man_unscope(m, n, WERRMAX));
1.19      kristaps  279: }
                    280:
1.6       kristaps  281:
1.36      kristaps  282: /*
                    283:  * Closure for dotted macros (de, dei, am, ami, ign).  This must handle
                    284:  * any of these as the parent node, so it needs special handling.
                    285:  * Beyond this, it's the same as blk_close().
                    286:  */
1.37      kristaps  287: /* ARGSUSED */
1.21      kristaps  288: int
1.35      kristaps  289: blk_dotted(MACRO_PROT_ARGS)
                    290: {
                    291:        enum mant        ntok;
                    292:        struct man_node *nn;
                    293:
1.38      kristaps  294:        /* Check for any of the following parents... */
                    295:
1.35      kristaps  296:        for (nn = m->last->parent; nn; nn = nn->parent)
                    297:                if (nn->tok == MAN_de || nn->tok == MAN_dei ||
                    298:                                nn->tok == MAN_am ||
1.43    ! kristaps  299:                                nn->tok == MAN_ami) {
1.35      kristaps  300:                        ntok = nn->tok;
                    301:                        break;
                    302:                }
                    303:
                    304:        if (NULL == nn) {
                    305:                if ( ! man_pwarn(m, line, ppos, WNOSCOPE))
                    306:                        return(0);
                    307:                return(1);
                    308:        }
                    309:
                    310:        if ( ! rew_scope(MAN_BODY, m, ntok))
                    311:                return(0);
                    312:        if ( ! rew_scope(MAN_BLOCK, m, ntok))
                    313:                return(0);
                    314:
1.41      kristaps  315:        /*
                    316:         * Restore flags set when we got here and also stipulate that we
                    317:         * don't post-process the line when exiting the macro op
1.42      kristaps  318:         * function in man_pmacro().  See blk_exp().
1.41      kristaps  319:         */
                    320:
1.42      kristaps  321:        m->flags = m->svflags | MAN_ILINE;
                    322:        m->next = m->svnext;
1.35      kristaps  323:        return(1);
                    324: }
                    325:
                    326:
1.36      kristaps  327: /*
                    328:  * Close out a generic explicit macro.
                    329:  */
1.37      kristaps  330: /* ARGSUSED */
1.35      kristaps  331: int
1.21      kristaps  332: blk_close(MACRO_PROT_ARGS)
                    333: {
1.33      kristaps  334:        enum mant                ntok;
1.21      kristaps  335:        const struct man_node   *nn;
                    336:
                    337:        switch (tok) {
                    338:        case (MAN_RE):
                    339:                ntok = MAN_RS;
                    340:                break;
                    341:        default:
                    342:                abort();
                    343:                /* NOTREACHED */
                    344:        }
                    345:
                    346:        for (nn = m->last->parent; nn; nn = nn->parent)
                    347:                if (ntok == nn->tok)
                    348:                        break;
                    349:
                    350:        if (NULL == nn)
                    351:                if ( ! man_pwarn(m, line, ppos, WNOSCOPE))
                    352:                        return(0);
                    353:
                    354:        if ( ! rew_scope(MAN_BODY, m, ntok))
                    355:                return(0);
                    356:        if ( ! rew_scope(MAN_BLOCK, m, ntok))
                    357:                return(0);
1.35      kristaps  358:
1.21      kristaps  359:        return(1);
                    360: }
                    361:
                    362:
1.35      kristaps  363: int
                    364: blk_exp(MACRO_PROT_ARGS)
                    365: {
                    366:        int              w, la;
                    367:        char            *p;
                    368:
                    369:        /*
                    370:         * Close out prior scopes.  "Regular" explicit macros cannot be
                    371:         * nested, but we allow roff macros to be placed just about
                    372:         * anywhere.
                    373:         */
                    374:
                    375:        if ( ! (MAN_NOCLOSE & man_macros[tok].flags)) {
                    376:                if ( ! rew_scope(MAN_BODY, m, tok))
                    377:                        return(0);
                    378:                if ( ! rew_scope(MAN_BLOCK, m, tok))
                    379:                        return(0);
1.41      kristaps  380:        } else {
                    381:                /*
1.42      kristaps  382:                 * Save our state and next-scope indicator; we restore
                    383:                 * it when exiting from the roff instruction block.  See
                    384:                 * blk_dotted().
1.41      kristaps  385:                 */
                    386:                m->svflags = m->flags;
1.42      kristaps  387:                m->svnext = m->next;
                    388:
                    389:                /* Make sure we drop any line modes. */
1.41      kristaps  390:                m->flags = 0;
1.35      kristaps  391:        }
                    392:
                    393:        if ( ! man_block_alloc(m, line, ppos, tok))
                    394:                return(0);
                    395:        if ( ! man_head_alloc(m, line, ppos, tok))
                    396:                return(0);
                    397:
                    398:        for (;;) {
                    399:                la = *pos;
                    400:                w = man_args(m, line, pos, buf, &p);
                    401:
                    402:                if (-1 == w)
                    403:                        return(0);
                    404:                if (0 == w)
                    405:                        break;
                    406:
                    407:                if ( ! man_word_alloc(m, line, la, p))
                    408:                        return(0);
                    409:        }
                    410:
                    411:        assert(m);
                    412:        assert(tok != MAN_MAX);
                    413:
                    414:        if ( ! rew_scope(MAN_HEAD, m, tok))
                    415:                return(0);
                    416:        return(man_body_alloc(m, line, ppos, tok));
                    417: }
                    418:
                    419:
                    420:
1.19      kristaps  421: /*
                    422:  * Parse an implicit-block macro.  These contain a MAN_HEAD and a
                    423:  * MAN_BODY contained within a MAN_BLOCK.  Rules for closing out other
                    424:  * scopes, such as `SH' closing out an `SS', are defined in the rew
                    425:  * routines.
                    426:  */
                    427: int
                    428: blk_imp(MACRO_PROT_ARGS)
                    429: {
                    430:        int              w, la;
                    431:        char            *p;
1.25      kristaps  432:        struct man_node *n;
1.19      kristaps  433:
                    434:        /* Close out prior scopes. */
1.7       kristaps  435:
1.19      kristaps  436:        if ( ! rew_scope(MAN_BODY, m, tok))
1.5       kristaps  437:                return(0);
1.19      kristaps  438:        if ( ! rew_scope(MAN_BLOCK, m, tok))
1.6       kristaps  439:                return(0);
1.1       kristaps  440:
1.19      kristaps  441:        /* Allocate new block & head scope. */
                    442:
                    443:        if ( ! man_block_alloc(m, line, ppos, tok))
                    444:                return(0);
                    445:        if ( ! man_head_alloc(m, line, ppos, tok))
                    446:                return(0);
1.1       kristaps  447:
1.25      kristaps  448:        n = m->last;
                    449:
1.19      kristaps  450:        /* Add line arguments. */
1.3       kristaps  451:
1.19      kristaps  452:        for (;;) {
                    453:                la = *pos;
                    454:                w = man_args(m, line, pos, buf, &p);
1.4       kristaps  455:
1.19      kristaps  456:                if (-1 == w)
1.6       kristaps  457:                        return(0);
1.19      kristaps  458:                if (0 == w)
                    459:                        break;
                    460:
                    461:                if ( ! man_word_alloc(m, line, la, p))
1.6       kristaps  462:                        return(0);
                    463:        }
                    464:
1.19      kristaps  465:        /* Close out head and open body (unless MAN_SCOPE). */
                    466:
1.27      kristaps  467:        if (MAN_SCOPED & man_macros[tok].flags) {
                    468:                /* If we're forcing scope (`TP'), keep it open. */
                    469:                if (MAN_FSCOPED & man_macros[tok].flags) {
                    470:                        m->flags |= MAN_BLINE;
                    471:                        return(1);
                    472:                } else if (n == m->last) {
                    473:                        m->flags |= MAN_BLINE;
                    474:                        return(1);
                    475:                }
                    476:        }
                    477:
                    478:        if ( ! rew_scope(MAN_HEAD, m, tok))
1.6       kristaps  479:                return(0);
1.19      kristaps  480:        return(man_body_alloc(m, line, ppos, tok));
1.4       kristaps  481: }
                    482:
                    483:
1.19      kristaps  484: int
                    485: in_line_eoln(MACRO_PROT_ARGS)
1.3       kristaps  486: {
1.19      kristaps  487:        int              w, la;
                    488:        char            *p;
                    489:        struct man_node *n;
1.3       kristaps  490:
1.19      kristaps  491:        if ( ! man_elem_alloc(m, line, ppos, tok))
1.3       kristaps  492:                return(0);
                    493:
1.19      kristaps  494:        n = m->last;
1.3       kristaps  495:
1.19      kristaps  496:        for (;;) {
                    497:                la = *pos;
                    498:                w = man_args(m, line, pos, buf, &p);
1.3       kristaps  499:
1.19      kristaps  500:                if (-1 == w)
                    501:                        return(0);
                    502:                if (0 == w)
                    503:                        break;
                    504:                if ( ! man_word_alloc(m, line, la, p))
                    505:                        return(0);
                    506:        }
1.3       kristaps  507:
1.31      kristaps  508:        /*
                    509:         * If no arguments are specified and this is MAN_SCOPED (i.e.,
                    510:         * next-line scoped), then set our mode to indicate that we're
                    511:         * waiting for terms to load into our context.
                    512:         */
                    513:
1.25      kristaps  514:        if (n == m->last && MAN_SCOPED & man_macros[tok].flags) {
1.31      kristaps  515:                assert( ! (MAN_NSCOPED & man_macros[tok].flags));
1.19      kristaps  516:                m->flags |= MAN_ELINE;
                    517:                return(1);
                    518:        }
1.3       kristaps  519:
1.31      kristaps  520:        /* Set ignorable context, if applicable. */
                    521:
                    522:        if (MAN_NSCOPED & man_macros[tok].flags) {
                    523:                assert( ! (MAN_SCOPED & man_macros[tok].flags));
                    524:                m->flags |= MAN_ILINE;
                    525:        }
                    526:
1.19      kristaps  527:        /*
1.31      kristaps  528:         * Rewind our element scope.  Note that when TH is pruned, we'll
                    529:         * be back at the root, so make sure that we don't clobber as
                    530:         * its sibling.
1.19      kristaps  531:         */
1.3       kristaps  532:
1.19      kristaps  533:        for ( ; m->last; m->last = m->last->parent) {
                    534:                if (m->last == n)
                    535:                        break;
                    536:                if (m->last->type == MAN_ROOT)
                    537:                        break;
                    538:                if ( ! man_valid_post(m))
                    539:                        return(0);
                    540:                if ( ! man_action_post(m))
                    541:                        return(0);
                    542:        }
1.3       kristaps  543:
1.19      kristaps  544:        assert(m->last);
1.3       kristaps  545:
                    546:        /*
1.19      kristaps  547:         * Same here regarding whether we're back at the root.
1.3       kristaps  548:         */
                    549:
1.19      kristaps  550:        if (m->last->type != MAN_ROOT && ! man_valid_post(m))
                    551:                return(0);
                    552:        if (m->last->type != MAN_ROOT && ! man_action_post(m))
                    553:                return(0);
1.35      kristaps  554:
                    555:        m->next = MAN_ROOT == m->last->type ?
                    556:                MAN_NEXT_CHILD : MAN_NEXT_SIBLING;
1.3       kristaps  557:
1.19      kristaps  558:        return(1);
                    559: }
1.3       kristaps  560:
                    561:
1.19      kristaps  562: int
                    563: man_macroend(struct man *m)
                    564: {
1.22      kristaps  565:
1.38      kristaps  566:        return(man_unscope(m, m->first, WEXITSCOPE));
1.19      kristaps  567: }
1.3       kristaps  568:

CVSweb