Annotation of src/usr.bin/mandoc/mdoc_macro.c, Revision 1.143
1.143 ! schwarze 1: /* $OpenBSD: mdoc_macro.c,v 1.142 2015/04/05 14:43:10 schwarze Exp $ */
1.1 kristaps 2: /*
1.74 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.118 schwarze 4: * Copyright (c) 2010, 2012-2015 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.140 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.140 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
1.100 schwarze 18: #include <sys/types.h>
19:
1.1 kristaps 20: #include <assert.h>
21: #include <ctype.h>
22: #include <stdlib.h>
23: #include <stdio.h>
24: #include <string.h>
1.26 schwarze 25: #include <time.h>
1.1 kristaps 26:
1.140 schwarze 27: #include "mandoc.h"
28: #include "roff.h"
1.66 schwarze 29: #include "mdoc.h"
1.140 schwarze 30: #include "libmandoc.h"
1.1 kristaps 31: #include "libmdoc.h"
32:
1.107 schwarze 33: static void blk_full(MACRO_PROT_ARGS);
34: static void blk_exp_close(MACRO_PROT_ARGS);
35: static void blk_part_exp(MACRO_PROT_ARGS);
36: static void blk_part_imp(MACRO_PROT_ARGS);
37: static void ctx_synopsis(MACRO_PROT_ARGS);
38: static void in_line_eoln(MACRO_PROT_ARGS);
39: static void in_line_argn(MACRO_PROT_ARGS);
40: static void in_line(MACRO_PROT_ARGS);
41: static void phrase_ta(MACRO_PROT_ARGS);
1.36 schwarze 42:
1.143 ! schwarze 43: static void append_delims(struct mdoc *, int, int *, char *);
1.106 schwarze 44: static void dword(struct mdoc *, int, int, const char *,
1.143 ! schwarze 45: enum mdelim, int);
! 46: static int find_pending(struct mdoc *, int, int, int,
! 47: struct roff_node *);
1.141 schwarze 48: static int lookup(struct mdoc *, int, int, int, const char *);
1.109 schwarze 49: static int macro_or_word(MACRO_PROT_ARGS, int);
1.141 schwarze 50: static int parse_rest(struct mdoc *, int, int, int *, char *);
51: static int rew_alt(int);
52: static void rew_elem(struct mdoc *, int);
53: static void rew_last(struct mdoc *, const struct roff_node *);
54: static void rew_pending(struct mdoc *, const struct roff_node *);
1.1 kristaps 55:
56: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
1.80 schwarze 57: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
1.1 kristaps 58: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
59: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
60: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.80 schwarze 61: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
62: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
63: { in_line_eoln, 0 }, /* Pp */
64: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
65: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 66: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.80 schwarze 67: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 68: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.80 schwarze 69: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
70: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
71: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
72: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.1 kristaps 73: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.86 schwarze 74: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 75: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.80 schwarze 76: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
77: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
78: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 79: { in_line_eoln, 0 }, /* Ex */
1.80 schwarze 80: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
81: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 82: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.80 schwarze 83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.85 schwarze 85: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.11 schwarze 86: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.80 schwarze 87: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
88: { blk_full, MDOC_JOIN }, /* Nd */
89: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 90: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.89 schwarze 91: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 92: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
93: { in_line_eoln, 0 }, /* Rv */
1.80 schwarze 94: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 95: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.80 schwarze 96: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.28 schwarze 97: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.80 schwarze 98: { in_line_eoln, MDOC_JOIN }, /* %A */
99: { in_line_eoln, MDOC_JOIN }, /* %B */
100: { in_line_eoln, MDOC_JOIN }, /* %D */
101: { in_line_eoln, MDOC_JOIN }, /* %I */
102: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 103: { in_line_eoln, 0 }, /* %N */
1.80 schwarze 104: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 105: { in_line_eoln, 0 }, /* %P */
1.80 schwarze 106: { in_line_eoln, MDOC_JOIN }, /* %R */
107: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 108: { in_line_eoln, 0 }, /* %V */
1.80 schwarze 109: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
110: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
111: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
112: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
113: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 114: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.80 schwarze 115: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
116: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
117: { blk_full, MDOC_EXPLICIT }, /* Bf */
118: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
119: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
120: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 121: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
122: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
123: { in_line_eoln, 0 }, /* Db */
1.80 schwarze 124: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
125: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
126: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
127: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
128: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
129: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
130: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
131: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 132: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
133: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.3 schwarze 134: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.100 schwarze 135: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.80 schwarze 136: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
137: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 138: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
139: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.80 schwarze 140: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
141: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.35 schwarze 142: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.80 schwarze 143: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
144: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
145: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
146: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
147: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
148: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
149: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
150: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
151: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
152: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 153: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.80 schwarze 154: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
155: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
156: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
157: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
158: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.103 schwarze 159: { in_line_argn, 0 }, /* Sm */
1.80 schwarze 160: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
161: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 162: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.80 schwarze 163: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 164: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
165: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.80 schwarze 166: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
167: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
168: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
169: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
170: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
171: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
172: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 173: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.80 schwarze 174: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 175: { in_line_eoln, 0 }, /* Bt */
176: { in_line_eoln, 0 }, /* Hf */
1.89 schwarze 177: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 178: { in_line_eoln, 0 }, /* Ud */
1.45 schwarze 179: { in_line, 0 }, /* Lb */
1.80 schwarze 180: { in_line_eoln, 0 }, /* Lp */
181: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
182: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
183: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
184: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
185: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
186: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
187: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
188: { in_line_eoln, MDOC_JOIN }, /* %C */
1.89 schwarze 189: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
190: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 191: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.80 schwarze 192: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.13 schwarze 193: { in_line_eoln, 0 }, /* br */
194: { in_line_eoln, 0 }, /* sp */
1.25 schwarze 195: { in_line_eoln, 0 }, /* %U */
1.80 schwarze 196: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.99 schwarze 197: { in_line_eoln, MDOC_PROLOGUE }, /* ll */
1.1 kristaps 198: };
199:
200: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
201:
202:
203: /*
204: * This is called at the end of parsing. It must traverse up the tree,
205: * closing out open [implicit] scopes. Obviously, open explicit scopes
206: * are errors.
207: */
1.107 schwarze 208: void
1.76 schwarze 209: mdoc_macroend(struct mdoc *mdoc)
1.1 kristaps 210: {
1.141 schwarze 211: struct roff_node *n;
1.1 kristaps 212:
213: /* Scan for open explicit scopes. */
214:
1.107 schwarze 215: n = mdoc->last->flags & MDOC_VALID ?
1.88 schwarze 216: mdoc->last->parent : mdoc->last;
1.1 kristaps 217:
1.56 schwarze 218: for ( ; n; n = n->parent)
1.140 schwarze 219: if (n->type == ROFFT_BLOCK &&
1.107 schwarze 220: mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
1.94 schwarze 221: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
222: n->line, n->pos, mdoc_macronames[n->tok]);
1.1 kristaps 223:
1.22 schwarze 224: /* Rewind to the first. */
225:
1.105 schwarze 226: rew_last(mdoc, mdoc->first);
1.1 kristaps 227: }
228:
1.22 schwarze 229: /*
1.109 schwarze 230: * Look up the macro at *p called by "from",
231: * or as a line macro if from == MDOC_MAX.
1.22 schwarze 232: */
1.141 schwarze 233: static int
234: lookup(struct mdoc *mdoc, int from, int line, int ppos, const char *p)
1.21 schwarze 235: {
1.141 schwarze 236: int res;
1.1 kristaps 237:
1.109 schwarze 238: if (from == MDOC_MAX || mdoc_macros[from].flags & MDOC_PARSED) {
239: res = mdoc_hash_find(p);
1.111 schwarze 240: if (res != MDOC_MAX) {
241: if (mdoc_macros[res].flags & MDOC_CALLABLE)
242: return(res);
243: if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll)
244: mandoc_msg(MANDOCERR_MACRO_CALL,
245: mdoc->parse, line, ppos, p);
246: }
1.109 schwarze 247: }
1.1 kristaps 248: return(MDOC_MAX);
249: }
250:
1.122 schwarze 251: /*
252: * Rewind up to and including a specific node.
253: */
1.105 schwarze 254: static void
1.141 schwarze 255: rew_last(struct mdoc *mdoc, const struct roff_node *to)
1.1 kristaps 256: {
1.141 schwarze 257: struct roff_node *n, *np;
1.1 kristaps 258:
1.142 schwarze 259: if (to->flags & MDOC_VALID)
260: return;
261:
1.1 kristaps 262: mdoc->next = MDOC_NEXT_SIBLING;
263: while (mdoc->last != to) {
1.63 schwarze 264: /*
265: * Save the parent here, because we may delete the
1.76 schwarze 266: * mdoc->last node in the post-validation phase and reset
267: * it to mdoc->last->parent, causing a step in the closing
1.63 schwarze 268: * out to be lost.
269: */
270: np = mdoc->last->parent;
1.105 schwarze 271: mdoc_valid_post(mdoc);
1.61 schwarze 272: n = mdoc->last;
1.63 schwarze 273: mdoc->last = np;
1.1 kristaps 274: assert(mdoc->last);
1.61 schwarze 275: mdoc->last->last = n;
1.1 kristaps 276: }
1.105 schwarze 277: mdoc_valid_post(mdoc);
1.1 kristaps 278: }
279:
1.22 schwarze 280: /*
1.122 schwarze 281: * Rewind up to a specific block, including all blocks that broke it.
282: */
283: static void
1.141 schwarze 284: rew_pending(struct mdoc *mdoc, const struct roff_node *n)
1.122 schwarze 285: {
286:
1.139 schwarze 287: for (;;) {
288: rew_last(mdoc, n);
289:
290: switch (n->type) {
1.140 schwarze 291: case ROFFT_HEAD:
1.139 schwarze 292: mdoc_body_alloc(mdoc, n->line, n->pos, n->tok);
293: return;
1.140 schwarze 294: case ROFFT_BLOCK:
1.139 schwarze 295: break;
296: default:
297: return;
298: }
1.122 schwarze 299:
1.139 schwarze 300: if ( ! (n->flags & MDOC_BROKEN))
301: return;
1.122 schwarze 302:
1.139 schwarze 303: for (;;) {
304: if ((n = n->parent) == NULL)
305: return;
306:
1.140 schwarze 307: if (n->type == ROFFT_BLOCK ||
308: n->type == ROFFT_HEAD) {
1.139 schwarze 309: if (n->flags & MDOC_ENDED)
310: break;
311: else
312: return;
313: }
314: }
1.122 schwarze 315: }
316: }
317:
318: /*
1.48 schwarze 319: * For a block closing macro, return the corresponding opening one.
320: * Otherwise, return the macro itself.
1.22 schwarze 321: */
1.141 schwarze 322: static int
323: rew_alt(int tok)
1.1 kristaps 324: {
325: switch (tok) {
1.88 schwarze 326: case MDOC_Ac:
1.1 kristaps 327: return(MDOC_Ao);
1.88 schwarze 328: case MDOC_Bc:
1.1 kristaps 329: return(MDOC_Bo);
1.88 schwarze 330: case MDOC_Brc:
1.1 kristaps 331: return(MDOC_Bro);
1.88 schwarze 332: case MDOC_Dc:
1.1 kristaps 333: return(MDOC_Do);
1.88 schwarze 334: case MDOC_Ec:
1.1 kristaps 335: return(MDOC_Eo);
1.88 schwarze 336: case MDOC_Ed:
1.1 kristaps 337: return(MDOC_Bd);
1.88 schwarze 338: case MDOC_Ef:
1.1 kristaps 339: return(MDOC_Bf);
1.88 schwarze 340: case MDOC_Ek:
1.1 kristaps 341: return(MDOC_Bk);
1.88 schwarze 342: case MDOC_El:
1.1 kristaps 343: return(MDOC_Bl);
1.88 schwarze 344: case MDOC_Fc:
1.1 kristaps 345: return(MDOC_Fo);
1.88 schwarze 346: case MDOC_Oc:
1.1 kristaps 347: return(MDOC_Oo);
1.88 schwarze 348: case MDOC_Pc:
1.1 kristaps 349: return(MDOC_Po);
1.88 schwarze 350: case MDOC_Qc:
1.1 kristaps 351: return(MDOC_Qo);
1.88 schwarze 352: case MDOC_Re:
1.1 kristaps 353: return(MDOC_Rs);
1.88 schwarze 354: case MDOC_Sc:
1.1 kristaps 355: return(MDOC_So);
1.88 schwarze 356: case MDOC_Xc:
1.1 kristaps 357: return(MDOC_Xo);
358: default:
1.48 schwarze 359: return(tok);
1.1 kristaps 360: }
361: /* NOTREACHED */
362: }
363:
1.105 schwarze 364: static void
1.141 schwarze 365: rew_elem(struct mdoc *mdoc, int tok)
1.1 kristaps 366: {
1.141 schwarze 367: struct roff_node *n;
1.1 kristaps 368:
369: n = mdoc->last;
1.140 schwarze 370: if (n->type != ROFFT_ELEM)
1.1 kristaps 371: n = n->parent;
1.140 schwarze 372: assert(n->type == ROFFT_ELEM);
1.1 kristaps 373: assert(tok == n->tok);
1.105 schwarze 374: rew_last(mdoc, n);
1.1 kristaps 375: }
376:
1.47 schwarze 377: /*
1.143 ! schwarze 378: * If there is an open sub-block of the target requiring
! 379: * explicit close-out, postpone closing out the target until
! 380: * the rew_pending() call closing out the sub-block.
! 381: */
! 382: static int
! 383: find_pending(struct mdoc *mdoc, int tok, int line, int ppos,
! 384: struct roff_node *target)
! 385: {
! 386: struct roff_node *n;
! 387: int irc;
! 388:
! 389: irc = 0;
! 390: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
! 391: if (n->flags & MDOC_ENDED) {
! 392: if ( ! (n->flags & MDOC_VALID))
! 393: n->flags |= MDOC_BROKEN;
! 394: continue;
! 395: }
! 396: if (n->type == ROFFT_BLOCK &&
! 397: mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
! 398: irc = 1;
! 399: n->flags = MDOC_BROKEN;
! 400: if (target->type == ROFFT_HEAD)
! 401: target->flags = MDOC_ENDED;
! 402: else if ( ! (target->flags & MDOC_ENDED)) {
! 403: mandoc_vmsg(MANDOCERR_BLK_NEST,
! 404: mdoc->parse, line, ppos,
! 405: "%s breaks %s", mdoc_macronames[tok],
! 406: mdoc_macronames[n->tok]);
! 407: mdoc_endbody_alloc(mdoc, line, ppos,
! 408: tok, target, ENDBODY_NOSPACE);
! 409: }
! 410: }
! 411: }
! 412: return(irc);
! 413: }
! 414:
! 415: /*
1.66 schwarze 416: * Allocate a word and check whether it's punctuation or not.
417: * Punctuation consists of those tokens found in mdoc_isdelim().
418: */
1.106 schwarze 419: static void
1.80 schwarze 420: dword(struct mdoc *mdoc, int line, int col, const char *p,
421: enum mdelim d, int may_append)
1.66 schwarze 422: {
1.88 schwarze 423:
1.106 schwarze 424: if (d == DELIM_MAX)
1.66 schwarze 425: d = mdoc_isdelim(p);
426:
1.80 schwarze 427: if (may_append &&
1.106 schwarze 428: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.140 schwarze 429: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.106 schwarze 430: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.80 schwarze 431: mdoc_word_append(mdoc, p);
1.106 schwarze 432: return;
1.80 schwarze 433: }
434:
1.106 schwarze 435: mdoc_word_alloc(mdoc, line, col, p);
1.66 schwarze 436:
1.71 schwarze 437: /*
1.100 schwarze 438: * If the word consists of a bare delimiter,
439: * flag the new node accordingly,
440: * unless doing so was vetoed by the invoking macro.
441: * Always clear the veto, it is only valid for one word.
1.71 schwarze 442: */
443:
1.100 schwarze 444: if (d == DELIM_OPEN)
445: mdoc->last->flags |= MDOC_DELIMO;
446: else if (d == DELIM_CLOSE &&
447: ! (mdoc->flags & MDOC_NODELIMC) &&
1.88 schwarze 448: mdoc->last->parent->tok != MDOC_Fd)
1.76 schwarze 449: mdoc->last->flags |= MDOC_DELIMC;
1.100 schwarze 450: mdoc->flags &= ~MDOC_NODELIMC;
1.66 schwarze 451: }
1.1 kristaps 452:
1.106 schwarze 453: static void
1.76 schwarze 454: append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)
1.1 kristaps 455: {
1.109 schwarze 456: char *p;
1.42 schwarze 457: int la;
1.1 kristaps 458:
1.106 schwarze 459: if (buf[*pos] == '\0')
460: return;
1.1 kristaps 461:
462: for (;;) {
1.42 schwarze 463: la = *pos;
1.109 schwarze 464: if (mdoc_args(mdoc, line, pos, buf, MDOC_MAX, &p) == ARGS_EOLN)
1.1 kristaps 465: break;
1.80 schwarze 466: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.43 schwarze 467:
1.42 schwarze 468: /*
469: * If we encounter end-of-sentence symbols, then trigger
470: * the double-space.
471: *
1.68 schwarze 472: * XXX: it's easy to allow this to propagate outward to
1.42 schwarze 473: * the last symbol, such that `. )' will cause the
474: * correct double-spacing. However, (1) groff isn't
475: * smart enough to do this and (2) it would require
476: * knowing which symbols break this behaviour, for
1.68 schwarze 477: * example, `. ;' shouldn't propagate the double-space.
1.42 schwarze 478: */
1.106 schwarze 479:
1.84 schwarze 480: if (mandoc_eos(p, strlen(p)))
1.76 schwarze 481: mdoc->last->flags |= MDOC_EOS;
1.1 kristaps 482: }
483: }
484:
485: /*
1.109 schwarze 486: * Parse one word.
487: * If it is a macro, call it and return 1.
488: * Otherwise, allocate it and return 0.
489: */
490: static int
491: macro_or_word(MACRO_PROT_ARGS, int parsed)
492: {
493: char *p;
1.141 schwarze 494: int ntok;
1.109 schwarze 495:
496: p = buf + ppos;
497: ntok = MDOC_MAX;
1.113 schwarze 498: if (*p == '"')
1.109 schwarze 499: p++;
1.113 schwarze 500: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.111 schwarze 501: ntok = lookup(mdoc, tok, line, ppos, p);
1.109 schwarze 502:
503: if (ntok == MDOC_MAX) {
504: dword(mdoc, line, ppos, p, DELIM_MAX, tok == MDOC_MAX ||
505: mdoc_macros[tok].flags & MDOC_JOIN);
506: return(0);
507: } else {
508: if (mdoc_macros[tok].fp == in_line_eoln)
509: rew_elem(mdoc, tok);
510: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
511: if (tok == MDOC_MAX)
512: append_delims(mdoc, line, pos, buf);
513: return(1);
514: }
515: }
516:
517: /*
1.88 schwarze 518: * Close out block partial/full explicit.
1.1 kristaps 519: */
1.107 schwarze 520: static void
1.1 kristaps 521: blk_exp_close(MACRO_PROT_ARGS)
522: {
1.141 schwarze 523: struct roff_node *body; /* Our own body. */
524: struct roff_node *endbody; /* Our own end marker. */
525: struct roff_node *itblk; /* An It block starting later. */
526: struct roff_node *later; /* A sub-block starting later. */
527: struct roff_node *n; /* Search back to our block. */
1.47 schwarze 528:
1.127 schwarze 529: int j, lastarg, maxargs, nl;
1.36 schwarze 530: enum margserr ac;
1.141 schwarze 531: int atok, ntok;
1.1 kristaps 532: char *p;
533:
1.76 schwarze 534: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 535:
1.1 kristaps 536: switch (tok) {
1.88 schwarze 537: case MDOC_Ec:
1.1 kristaps 538: maxargs = 1;
539: break;
1.88 schwarze 540: case MDOC_Ek:
1.82 schwarze 541: mdoc->flags &= ~MDOC_KEEP;
1.107 schwarze 542: /* FALLTHROUGH */
1.1 kristaps 543: default:
544: maxargs = 0;
545: break;
546: }
547:
1.47 schwarze 548: /*
549: * Search backwards for beginnings of blocks,
550: * both of our own and of pending sub-blocks.
551: */
1.107 schwarze 552:
1.47 schwarze 553: atok = rew_alt(tok);
1.127 schwarze 554: body = endbody = itblk = later = NULL;
1.76 schwarze 555: for (n = mdoc->last; n; n = n->parent) {
1.139 schwarze 556: if (n->flags & MDOC_ENDED) {
557: if ( ! (n->flags & MDOC_VALID))
558: n->flags |= MDOC_BROKEN;
1.47 schwarze 559: continue;
1.139 schwarze 560: }
1.47 schwarze 561:
562: /* Remember the start of our own body. */
1.107 schwarze 563:
1.140 schwarze 564: if (n->type == ROFFT_BODY && atok == n->tok) {
1.131 schwarze 565: if (n->end == ENDBODY_NOT)
1.47 schwarze 566: body = n;
567: continue;
568: }
569:
1.140 schwarze 570: if (n->type != ROFFT_BLOCK || n->tok == MDOC_Nm)
1.47 schwarze 571: continue;
1.116 schwarze 572:
573: if (n->tok == MDOC_It) {
1.127 schwarze 574: itblk = n;
1.116 schwarze 575: continue;
576: }
577:
1.47 schwarze 578: if (atok == n->tok) {
579: assert(body);
580:
581: /*
582: * Found the start of our own block.
583: * When there is no pending sub block,
584: * just proceed to closing out.
585: */
1.107 schwarze 586:
1.116 schwarze 587: if (later == NULL ||
1.127 schwarze 588: (tok == MDOC_El && itblk == NULL))
1.47 schwarze 589: break;
590:
1.88 schwarze 591: /*
1.123 schwarze 592: * When there is a pending sub block, postpone
593: * closing out the current block until the
594: * rew_pending() closing out the sub-block.
1.47 schwarze 595: * Mark the place where the formatting - but not
596: * the scope - of the current block ends.
597: */
1.107 schwarze 598:
1.139 schwarze 599: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
600: line, ppos, "%s breaks %s",
601: mdoc_macronames[atok],
602: mdoc_macronames[later->tok]);
603:
1.122 schwarze 604: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.106 schwarze 605: atok, body, ENDBODY_SPACE);
1.107 schwarze 606:
1.139 schwarze 607: if (tok == MDOC_El)
608: itblk->flags |= MDOC_ENDED | MDOC_BROKEN;
609:
1.107 schwarze 610: /*
611: * If a block closing macro taking arguments
612: * breaks another block, put the arguments
1.122 schwarze 613: * into the end marker.
1.107 schwarze 614: */
615:
1.122 schwarze 616: if (maxargs)
1.104 schwarze 617: mdoc->next = MDOC_NEXT_CHILD;
1.47 schwarze 618: break;
1.138 schwarze 619: }
620:
621: /* Explicit blocks close out description lines. */
622:
623: if (n->tok == MDOC_Nd) {
624: rew_last(mdoc, n);
625: continue;
1.47 schwarze 626: }
627:
1.139 schwarze 628: /* Breaking an open sub block. */
1.107 schwarze 629:
1.139 schwarze 630: n->flags |= MDOC_BROKEN;
631: if (later == NULL)
1.47 schwarze 632: later = n;
633: }
1.122 schwarze 634:
635: if (body == NULL) {
636: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
637: line, ppos, mdoc_macronames[tok]);
638: if (maxargs && endbody == NULL) {
639: /*
640: * Stray .Ec without previous .Eo:
641: * Break the output line, keep the arguments.
642: */
643: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
644: rew_elem(mdoc, MDOC_br);
645: }
646: } else if (endbody == NULL) {
647: rew_last(mdoc, body);
648: if (maxargs)
649: mdoc_tail_alloc(mdoc, line, ppos, atok);
650: }
1.47 schwarze 651:
1.106 schwarze 652: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
653: if (buf[*pos] != '\0')
1.93 schwarze 654: mandoc_vmsg(MANDOCERR_ARG_SKIP,
655: mdoc->parse, line, ppos,
656: "%s %s", mdoc_macronames[tok],
657: buf + *pos);
1.127 schwarze 658: if (endbody == NULL && n != NULL)
1.123 schwarze 659: rew_pending(mdoc, n);
1.107 schwarze 660: return;
1.1 kristaps 661: }
662:
1.122 schwarze 663: if (endbody != NULL)
664: n = endbody;
1.104 schwarze 665: for (j = 0; ; j++) {
1.1 kristaps 666: lastarg = *pos;
667:
1.142 schwarze 668: if (j == maxargs && n != NULL)
669: rew_last(mdoc, n);
1.1 kristaps 670:
1.76 schwarze 671: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 672: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 673: break;
674:
1.111 schwarze 675: ntok = ac == ARGS_QWORD ? MDOC_MAX :
676: lookup(mdoc, tok, line, lastarg, p);
1.36 schwarze 677:
1.106 schwarze 678: if (ntok == MDOC_MAX) {
679: dword(mdoc, line, lastarg, p, DELIM_MAX,
680: MDOC_JOIN & mdoc_macros[tok].flags);
1.36 schwarze 681: continue;
682: }
1.1 kristaps 683:
1.142 schwarze 684: if (n != NULL)
685: rew_last(mdoc, n);
1.79 schwarze 686: mdoc->flags &= ~MDOC_NEWLINE;
1.107 schwarze 687: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.36 schwarze 688: break;
1.1 kristaps 689: }
690:
1.122 schwarze 691: if (n != NULL)
692: rew_pending(mdoc, n);
1.106 schwarze 693: if (nl)
694: append_delims(mdoc, line, pos, buf);
1.1 kristaps 695: }
696:
1.107 schwarze 697: static void
1.1 kristaps 698: in_line(MACRO_PROT_ARGS)
699: {
1.100 schwarze 700: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.141 schwarze 701: int ntok;
1.36 schwarze 702: enum margserr ac;
1.40 schwarze 703: enum mdelim d;
1.36 schwarze 704: struct mdoc_arg *arg;
705: char *p;
1.1 kristaps 706:
1.76 schwarze 707: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 708:
1.1 kristaps 709: /*
710: * Whether we allow ignored elements (those without content,
711: * usually because of reserved words) to squeak by.
712: */
1.32 schwarze 713:
1.1 kristaps 714: switch (tok) {
1.88 schwarze 715: case MDOC_An:
1.19 schwarze 716: /* FALLTHROUGH */
1.88 schwarze 717: case MDOC_Ar:
1.1 kristaps 718: /* FALLTHROUGH */
1.88 schwarze 719: case MDOC_Fl:
1.1 kristaps 720: /* FALLTHROUGH */
1.88 schwarze 721: case MDOC_Mt:
1.18 schwarze 722: /* FALLTHROUGH */
1.88 schwarze 723: case MDOC_Nm:
1.19 schwarze 724: /* FALLTHROUGH */
1.88 schwarze 725: case MDOC_Pa:
1.1 kristaps 726: nc = 1;
727: break;
728: default:
729: nc = 0;
730: break;
731: }
732:
1.108 schwarze 733: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 734:
1.100 schwarze 735: d = DELIM_NONE;
736: firstarg = 1;
1.98 schwarze 737: mayopen = 1;
1.45 schwarze 738: for (cnt = scope = 0;; ) {
1.1 kristaps 739: la = *pos;
1.76 schwarze 740: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 741:
1.100 schwarze 742: /*
743: * At the end of a macro line,
744: * opening delimiters do not suppress spacing.
745: */
746:
747: if (ac == ARGS_EOLN) {
748: if (d == DELIM_OPEN)
749: mdoc->last->flags &= ~MDOC_DELIMO;
1.1 kristaps 750: break;
1.100 schwarze 751: }
752:
753: /*
754: * The rest of the macro line is only punctuation,
755: * to be handled by append_delims().
756: * If there were no other arguments,
757: * do not allow the first one to suppress spacing,
758: * even if it turns out to be a closing one.
759: */
760:
761: if (ac == ARGS_PUNCT) {
1.132 schwarze 762: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.100 schwarze 763: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 764: break;
1.100 schwarze 765: }
1.1 kristaps 766:
1.101 schwarze 767: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.111 schwarze 768: MDOC_MAX : lookup(mdoc, tok, line, la, p);
1.1 kristaps 769:
1.88 schwarze 770: /*
1.1 kristaps 771: * In this case, we've located a submacro and must
772: * execute it. Close out scope, if open. If no
773: * elements have been generated, either create one (nc)
774: * or raise a warning.
775: */
776:
1.106 schwarze 777: if (ntok != MDOC_MAX) {
1.105 schwarze 778: if (scope)
779: rew_elem(mdoc, tok);
1.106 schwarze 780: if (nc && ! cnt) {
781: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.105 schwarze 782: rew_last(mdoc, mdoc->last);
1.106 schwarze 783: } else if ( ! nc && ! cnt) {
1.1 kristaps 784: mdoc_argv_free(arg);
1.92 schwarze 785: mandoc_msg(MANDOCERR_MACRO_EMPTY,
786: mdoc->parse, line, ppos,
787: mdoc_macronames[tok]);
1.1 kristaps 788: }
1.107 schwarze 789: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.106 schwarze 790: if (nl)
791: append_delims(mdoc, line, pos, buf);
1.107 schwarze 792: return;
1.88 schwarze 793: }
1.1 kristaps 794:
1.88 schwarze 795: /*
1.1 kristaps 796: * Non-quote-enclosed punctuation. Set up our scope, if
797: * a word; rewind the scope, if a delimiter; then append
1.88 schwarze 798: * the word.
1.1 kristaps 799: */
800:
1.106 schwarze 801: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.1 kristaps 802:
1.45 schwarze 803: if (DELIM_NONE != d) {
804: /*
805: * If we encounter closing punctuation, no word
1.100 schwarze 806: * has been emitted, no scope is open, and we're
1.45 schwarze 807: * allowed to have an empty element, then start
1.98 schwarze 808: * a new scope.
1.45 schwarze 809: */
1.98 schwarze 810: if ((d == DELIM_CLOSE ||
811: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.100 schwarze 812: !cnt && !scope && nc && mayopen) {
1.106 schwarze 813: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 814: scope = 1;
1.98 schwarze 815: cnt++;
1.106 schwarze 816: if (tok == MDOC_Nm)
1.98 schwarze 817: mayopen = 0;
1.45 schwarze 818: }
819: /*
820: * Close out our scope, if one is open, before
821: * any punctuation.
822: */
1.105 schwarze 823: if (scope)
824: rew_elem(mdoc, tok);
1.45 schwarze 825: scope = 0;
1.101 schwarze 826: if (tok == MDOC_Fn)
827: mayopen = 0;
1.98 schwarze 828: } else if (mayopen && !scope) {
1.106 schwarze 829: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 830: scope = 1;
1.98 schwarze 831: cnt++;
1.1 kristaps 832: }
1.66 schwarze 833:
1.106 schwarze 834: dword(mdoc, line, la, p, d,
835: MDOC_JOIN & mdoc_macros[tok].flags);
1.27 schwarze 836:
837: /*
1.100 schwarze 838: * If the first argument is a closing delimiter,
839: * do not suppress spacing before it.
840: */
841:
842: if (firstarg && d == DELIM_CLOSE && !nc)
843: mdoc->last->flags &= ~MDOC_DELIMC;
844: firstarg = 0;
845:
846: /*
1.27 schwarze 847: * `Fl' macros have their scope re-opened with each new
848: * word so that the `-' can be added to each one without
849: * having to parse out spaces.
850: */
1.106 schwarze 851: if (scope && tok == MDOC_Fl) {
1.105 schwarze 852: rew_elem(mdoc, tok);
1.45 schwarze 853: scope = 0;
1.27 schwarze 854: }
1.1 kristaps 855: }
856:
1.105 schwarze 857: if (scope)
858: rew_elem(mdoc, tok);
1.1 kristaps 859:
860: /*
861: * If no elements have been collected and we're allowed to have
862: * empties (nc), open a scope and close it out. Otherwise,
863: * raise a warning.
864: */
1.32 schwarze 865:
1.106 schwarze 866: if ( ! cnt) {
867: if (nc) {
868: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
869: rew_last(mdoc, mdoc->last);
870: } else {
871: mdoc_argv_free(arg);
872: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
873: line, ppos, mdoc_macronames[tok]);
874: }
1.1 kristaps 875: }
1.106 schwarze 876: if (nl)
877: append_delims(mdoc, line, pos, buf);
1.1 kristaps 878: }
879:
1.107 schwarze 880: static void
1.1 kristaps 881: blk_full(MACRO_PROT_ARGS)
882: {
1.109 schwarze 883: int la, nl, parsed;
1.1 kristaps 884: struct mdoc_arg *arg;
1.141 schwarze 885: struct roff_node *blk; /* Our own or a broken block. */
886: struct roff_node *head; /* Our own head. */
887: struct roff_node *body; /* Our own body. */
888: struct roff_node *n;
1.37 schwarze 889: enum margserr ac, lac;
1.1 kristaps 890: char *p;
891:
1.76 schwarze 892: nl = MDOC_NEWLINE & mdoc->flags;
1.95 schwarze 893:
1.133 schwarze 894: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
895: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
896: line, ppos, mdoc_macronames[tok]);
897: return;
898: }
899:
1.127 schwarze 900: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
901:
902: /* Here, tok is one of Sh Ss Nm Nd It. */
903:
904: blk = NULL;
905: for (n = mdoc->last; n != NULL; n = n->parent) {
1.139 schwarze 906: if (n->flags & MDOC_ENDED) {
907: if ( ! (n->flags & MDOC_VALID))
908: n->flags |= MDOC_BROKEN;
909: continue;
910: }
1.140 schwarze 911: if (n->type != ROFFT_BLOCK)
1.127 schwarze 912: continue;
1.139 schwarze 913:
1.127 schwarze 914: if (tok == MDOC_It && n->tok == MDOC_Bl) {
915: if (blk != NULL) {
916: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
917: mdoc->parse, line, ppos,
918: "It breaks %s",
919: mdoc_macronames[blk->tok]);
920: rew_pending(mdoc, blk);
921: }
922: break;
923: }
924:
925: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
926: switch (tok) {
927: case MDOC_Sh:
928: /* FALLTHROUGH */
929: case MDOC_Ss:
930: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
931: mdoc->parse, line, ppos,
932: "%s breaks %s",
933: mdoc_macronames[tok],
934: mdoc_macronames[n->tok]);
935: rew_pending(mdoc, n);
1.136 schwarze 936: n = mdoc->last;
1.127 schwarze 937: continue;
938: case MDOC_It:
939: /* Delay in case it's astray. */
940: blk = n;
941: continue;
942: default:
943: break;
944: }
945: break;
946: }
947:
948: /* Here, n is one of Sh Ss Nm Nd It. */
1.95 schwarze 949:
1.127 schwarze 950: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
951: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
952: (tok != MDOC_It && n->tok == MDOC_It)))))
1.95 schwarze 953: break;
1.127 schwarze 954:
955: /* Item breaking an explicit block. */
956:
957: if (blk != NULL) {
958: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
959: mdoc->parse, line, ppos,
960: "It breaks %s",
961: mdoc_macronames[blk->tok]);
962: rew_pending(mdoc, blk);
1.128 schwarze 963: blk = NULL;
1.127 schwarze 964: }
965:
966: /* Close out prior implicit scopes. */
967:
968: rew_last(mdoc, n);
969: }
970:
971: /* Skip items outside lists. */
972:
973: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.95 schwarze 974: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
975: line, ppos, "It %s", buf + *pos);
1.106 schwarze 976: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
1.105 schwarze 977: rew_elem(mdoc, MDOC_br);
1.107 schwarze 978: return;
1.95 schwarze 979: }
1.1 kristaps 980: }
981:
1.32 schwarze 982: /*
1.68 schwarze 983: * This routine accommodates implicitly- and explicitly-scoped
1.32 schwarze 984: * macro openings. Implicit ones first close out prior scope
985: * (seen above). Delay opening the head until necessary to
986: * allow leading punctuation to print. Special consideration
987: * for `It -column', which has phrase-part syntax instead of
988: * regular child nodes.
989: */
990:
1.108 schwarze 991: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.121 schwarze 992: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.34 schwarze 993: head = body = NULL;
1.1 kristaps 994:
1.32 schwarze 995: /*
1.73 schwarze 996: * Exception: Heads of `It' macros in `-diag' lists are not
997: * parsed, even though `It' macros in general are parsed.
998: */
1.107 schwarze 999:
1.109 schwarze 1000: parsed = tok != MDOC_It ||
1001: mdoc->last->parent->tok != MDOC_Bl ||
1002: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.73 schwarze 1003:
1004: /*
1.32 schwarze 1005: * The `Nd' macro has all arguments in its body: it's a hybrid
1006: * of block partial-explicit and full-implicit. Stupid.
1007: */
1.12 schwarze 1008:
1.106 schwarze 1009: if (tok == MDOC_Nd) {
1010: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.118 schwarze 1011: rew_last(mdoc, head);
1.106 schwarze 1012: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.80 schwarze 1013: }
1014:
1.106 schwarze 1015: if (tok == MDOC_Bk)
1.80 schwarze 1016: mdoc->flags |= MDOC_KEEP;
1.12 schwarze 1017:
1.106 schwarze 1018: ac = ARGS_PEND;
1019: for (;;) {
1.32 schwarze 1020: la = *pos;
1.106 schwarze 1021: lac = ac;
1.76 schwarze 1022: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1023: if (ac == ARGS_EOLN) {
1024: if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
1.46 schwarze 1025: break;
1026: /*
1027: * This is necessary: if the last token on a
1028: * line is a `Ta' or tab, then we'll get
1029: * ARGS_EOLN, so we must be smart enough to
1030: * reopen our scope if the last parse was a
1031: * phrase or partial phrase.
1032: */
1.123 schwarze 1033: if (body != NULL)
1034: rew_last(mdoc, body);
1.106 schwarze 1035: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1036: break;
1.41 schwarze 1037: }
1.130 schwarze 1038: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1039: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1040: mdoc->parse, line, la, "%s ... %s",
1041: mdoc_macronames[tok], buf + la);
1042: break;
1043: }
1.129 schwarze 1044: if (tok == MDOC_Rs) {
1045: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1046: line, la, "Rs %s", buf + la);
1047: break;
1048: }
1049: if (ac == ARGS_PUNCT)
1050: break;
1.41 schwarze 1051:
1.88 schwarze 1052: /*
1.46 schwarze 1053: * Emit leading punctuation (i.e., punctuation before
1.140 schwarze 1054: * the ROFFT_HEAD) for non-phrase types.
1.46 schwarze 1055: */
1.32 schwarze 1056:
1.106 schwarze 1057: if (head == NULL &&
1058: ac != ARGS_PEND &&
1059: ac != ARGS_PHRASE &&
1060: ac != ARGS_PPHRASE &&
1061: ac != ARGS_QWORD &&
1062: mdoc_isdelim(p) == DELIM_OPEN) {
1063: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1064: continue;
1065: }
1066:
1.46 schwarze 1067: /* Open a head if one hasn't been opened. */
1.32 schwarze 1068:
1.106 schwarze 1069: if (head == NULL)
1070: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1071:
1.106 schwarze 1072: if (ac == ARGS_PHRASE ||
1073: ac == ARGS_PEND ||
1074: ac == ARGS_PPHRASE) {
1.107 schwarze 1075:
1.46 schwarze 1076: /*
1077: * If we haven't opened a body yet, rewind the
1078: * head; if we have, rewind that instead.
1079: */
1080:
1.123 schwarze 1081: rew_last(mdoc, body == NULL ? head : body);
1.106 schwarze 1082: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1083:
1084: /*
1085: * Process phrases: set whether we're in a
1086: * partial-phrase (this effects line handling)
1087: * then call down into the phrase parser.
1088: */
1089:
1.106 schwarze 1090: if (ac == ARGS_PPHRASE)
1.76 schwarze 1091: mdoc->flags |= MDOC_PPHRASE;
1.106 schwarze 1092: if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
1.76 schwarze 1093: mdoc->flags |= MDOC_PPHRASE;
1.110 schwarze 1094: parse_rest(mdoc, MDOC_MAX, line, &la, buf);
1.76 schwarze 1095: mdoc->flags &= ~MDOC_PPHRASE;
1.1 kristaps 1096: continue;
1097: }
1098:
1.109 schwarze 1099: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.107 schwarze 1100: break;
1.32 schwarze 1101: }
1.1 kristaps 1102:
1.121 schwarze 1103: if (blk->flags & MDOC_VALID)
1104: return;
1.106 schwarze 1105: if (head == NULL)
1106: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.130 schwarze 1107: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.106 schwarze 1108: append_delims(mdoc, line, pos, buf);
1.107 schwarze 1109: if (body != NULL)
1.46 schwarze 1110: goto out;
1.143 ! schwarze 1111: if (find_pending(mdoc, tok, line, ppos, head))
1.139 schwarze 1112: return;
1.54 schwarze 1113:
1.32 schwarze 1114: /* Close out scopes to remain in a consistent state. */
1.12 schwarze 1115:
1.123 schwarze 1116: rew_last(mdoc, head);
1117: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1118: out:
1.106 schwarze 1119: if (mdoc->flags & MDOC_FREECOL) {
1.123 schwarze 1120: rew_last(mdoc, body);
1121: rew_last(mdoc, blk);
1.106 schwarze 1122: mdoc->flags &= ~MDOC_FREECOL;
1123: }
1.1 kristaps 1124: }
1125:
1.107 schwarze 1126: static void
1.1 kristaps 1127: blk_part_imp(MACRO_PROT_ARGS)
1128: {
1.43 schwarze 1129: int la, nl;
1.36 schwarze 1130: enum margserr ac;
1.1 kristaps 1131: char *p;
1.141 schwarze 1132: struct roff_node *blk; /* saved block context */
1133: struct roff_node *body; /* saved body context */
1134: struct roff_node *n;
1.1 kristaps 1135:
1.76 schwarze 1136: nl = MDOC_NEWLINE & mdoc->flags;
1.43 schwarze 1137:
1.32 schwarze 1138: /*
1139: * A macro that spans to the end of the line. This is generally
1140: * (but not necessarily) called as the first macro. The block
1141: * has a head as the immediate child, which is always empty,
1142: * followed by zero or more opening punctuation nodes, then the
1143: * body (which may be empty, depending on the macro), then zero
1144: * or more closing punctuation nodes.
1145: */
1.22 schwarze 1146:
1.106 schwarze 1147: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.118 schwarze 1148: rew_last(mdoc, mdoc_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1149:
1.32 schwarze 1150: /*
1151: * Open the body scope "on-demand", that is, after we've
1152: * processed all our the leading delimiters (open parenthesis,
1153: * etc.).
1154: */
1.1 kristaps 1155:
1.32 schwarze 1156: for (body = NULL; ; ) {
1.22 schwarze 1157: la = *pos;
1.76 schwarze 1158: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1159: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1160: break;
1161:
1.106 schwarze 1162: if (body == NULL && ac != ARGS_QWORD &&
1163: mdoc_isdelim(p) == DELIM_OPEN) {
1164: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1165: continue;
1.80 schwarze 1166: }
1.1 kristaps 1167:
1.106 schwarze 1168: if (body == NULL)
1169: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1170:
1.109 schwarze 1171: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.107 schwarze 1172: break;
1.32 schwarze 1173: }
1.106 schwarze 1174: if (body == NULL)
1175: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1176:
1.143 ! schwarze 1177: if (find_pending(mdoc, tok, line, ppos, body))
1.139 schwarze 1178: return;
1179:
1.120 schwarze 1180: rew_last(mdoc, body);
1.106 schwarze 1181: if (nl)
1182: append_delims(mdoc, line, pos, buf);
1.122 schwarze 1183: rew_pending(mdoc, blk);
1.74 schwarze 1184:
1185: /* Move trailing .Ns out of scope. */
1186:
1187: for (n = body->child; n && n->next; n = n->next)
1188: /* Do nothing. */ ;
1.106 schwarze 1189: if (n && n->tok == MDOC_Ns)
1.76 schwarze 1190: mdoc_node_relink(mdoc, n);
1.1 kristaps 1191: }
1192:
1.107 schwarze 1193: static void
1.1 kristaps 1194: blk_part_exp(MACRO_PROT_ARGS)
1195: {
1.37 schwarze 1196: int la, nl;
1.36 schwarze 1197: enum margserr ac;
1.141 schwarze 1198: struct roff_node *head; /* keep track of head */
1.1 kristaps 1199: char *p;
1200:
1.76 schwarze 1201: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 1202:
1.32 schwarze 1203: /*
1204: * The opening of an explicit macro having zero or more leading
1205: * punctuation nodes; a head with optional single element (the
1206: * case of `Eo'); and a body that may be empty.
1207: */
1.22 schwarze 1208:
1.106 schwarze 1209: mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.119 schwarze 1210: head = NULL;
1211: for (;;) {
1.22 schwarze 1212: la = *pos;
1.76 schwarze 1213: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1214: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1215: break;
1216:
1.32 schwarze 1217: /* Flush out leading punctuation. */
1218:
1.106 schwarze 1219: if (head == NULL && ac != ARGS_QWORD &&
1220: mdoc_isdelim(p) == DELIM_OPEN) {
1221: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1222: continue;
1.80 schwarze 1223: }
1.32 schwarze 1224:
1.106 schwarze 1225: if (head == NULL) {
1226: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1227: if (tok == MDOC_Eo) /* Not parsed. */
1.106 schwarze 1228: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.119 schwarze 1229: rew_last(mdoc, head);
1230: mdoc_body_alloc(mdoc, line, ppos, tok);
1.106 schwarze 1231: if (tok == MDOC_Eo)
1.32 schwarze 1232: continue;
1233: }
1234:
1.109 schwarze 1235: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.107 schwarze 1236: break;
1.1 kristaps 1237: }
1238:
1.32 schwarze 1239: /* Clean-up to leave in a consistent state. */
1240:
1.119 schwarze 1241: if (head == NULL) {
1242: rew_last(mdoc, mdoc_head_alloc(mdoc, line, ppos, tok));
1.106 schwarze 1243: mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1244: }
1.106 schwarze 1245: if (nl)
1246: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1247: }
1248:
1.107 schwarze 1249: static void
1.1 kristaps 1250: in_line_argn(MACRO_PROT_ARGS)
1251: {
1.36 schwarze 1252: struct mdoc_arg *arg;
1253: char *p;
1.137 schwarze 1254: enum margserr ac;
1.141 schwarze 1255: int ntok;
1.137 schwarze 1256: int state; /* arg#; -1: not yet open; -2: closed */
1257: int la, maxargs, nl;
1.1 kristaps 1258:
1.112 schwarze 1259: nl = mdoc->flags & MDOC_NEWLINE;
1.37 schwarze 1260:
1.32 schwarze 1261: /*
1262: * A line macro that has a fixed number of arguments (maxargs).
1263: * Only open the scope once the first non-leading-punctuation is
1264: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1265: * keep it open until the maximum number of arguments are
1266: * exhausted.
1267: */
1.1 kristaps 1268:
1269: switch (tok) {
1.88 schwarze 1270: case MDOC_Ap:
1.1 kristaps 1271: /* FALLTHROUGH */
1.88 schwarze 1272: case MDOC_Ns:
1.1 kristaps 1273: /* FALLTHROUGH */
1.88 schwarze 1274: case MDOC_Ux:
1.1 kristaps 1275: maxargs = 0;
1276: break;
1.88 schwarze 1277: case MDOC_Bx:
1.64 schwarze 1278: /* FALLTHROUGH */
1.89 schwarze 1279: case MDOC_Es:
1280: /* FALLTHROUGH */
1.88 schwarze 1281: case MDOC_Xr:
1.28 schwarze 1282: maxargs = 2;
1283: break;
1.1 kristaps 1284: default:
1285: maxargs = 1;
1286: break;
1287: }
1288:
1.108 schwarze 1289: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1290:
1.137 schwarze 1291: state = -1;
1.112 schwarze 1292: p = NULL;
1293: for (;;) {
1.22 schwarze 1294: la = *pos;
1.76 schwarze 1295: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.137 schwarze 1296:
1297: if (ac == ARGS_WORD && state == -1 &&
1298: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1299: mdoc_isdelim(p) == DELIM_OPEN) {
1300: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1301: continue;
1302: }
1303:
1304: if (state == -1 && tok != MDOC_In &&
1305: tok != MDOC_St && tok != MDOC_Xr) {
1306: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1307: state = 0;
1308: }
1309:
1.112 schwarze 1310: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.137 schwarze 1311: if (abs(state) < 2 && tok == MDOC_Pf)
1.112 schwarze 1312: mandoc_vmsg(MANDOCERR_PF_SKIP,
1313: mdoc->parse, line, ppos, "Pf %s",
1314: p == NULL ? "at eol" : p);
1.1 kristaps 1315: break;
1.112 schwarze 1316: }
1.1 kristaps 1317:
1.137 schwarze 1318: if (state == maxargs) {
1.105 schwarze 1319: rew_elem(mdoc, tok);
1.137 schwarze 1320: state = -2;
1.32 schwarze 1321: }
1322:
1.137 schwarze 1323: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
1.112 schwarze 1324: MDOC_MAX : lookup(mdoc, tok, line, la, p);
1.36 schwarze 1325:
1.106 schwarze 1326: if (ntok != MDOC_MAX) {
1.137 schwarze 1327: if (state >= 0) {
1.105 schwarze 1328: rew_elem(mdoc, tok);
1.137 schwarze 1329: state = -2;
1330: }
1.107 schwarze 1331: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1332: break;
1333: }
1334:
1.137 schwarze 1335: if (ac == ARGS_QWORD ||
1336: mdoc_macros[tok].flags & MDOC_IGNDELIM ||
1337: mdoc_isdelim(p) == DELIM_NONE) {
1338: if (state == -1) {
1339: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1340: state = 1;
1341: } else if (state >= 0)
1342: state++;
1343: } else if (state >= 0) {
1.105 schwarze 1344: rew_elem(mdoc, tok);
1.137 schwarze 1345: state = -2;
1.28 schwarze 1346: }
1347:
1.106 schwarze 1348: dword(mdoc, line, la, p, DELIM_MAX,
1349: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1350: }
1351:
1.137 schwarze 1352: if (state == -1) {
1353: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1354: line, ppos, mdoc_macronames[tok]);
1355: return;
1.112 schwarze 1356: }
1.137 schwarze 1357:
1358: if (state == 0 && tok == MDOC_Pf)
1359: append_delims(mdoc, line, pos, buf);
1360: if (state >= 0)
1.105 schwarze 1361: rew_elem(mdoc, tok);
1.106 schwarze 1362: if (nl)
1363: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1364: }
1365:
1.107 schwarze 1366: static void
1.1 kristaps 1367: in_line_eoln(MACRO_PROT_ARGS)
1368: {
1.141 schwarze 1369: struct roff_node *n;
1.126 schwarze 1370: struct mdoc_arg *arg;
1.1 kristaps 1371:
1.126 schwarze 1372: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1373: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1374: n = mdoc->last;
1375: if (mdoc->next == MDOC_NEXT_SIBLING)
1376: n = n->parent;
1377: if (n->tok == MDOC_Nm)
1378: rew_last(mdoc, mdoc->last->parent);
1.134 schwarze 1379: }
1380:
1.135 schwarze 1381: if (buf[*pos] == '\0' &&
1382: (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
1.134 schwarze 1383: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.135 schwarze 1384: line, ppos, mdoc_macronames[tok]);
1.134 schwarze 1385: return;
1.126 schwarze 1386: }
1.53 schwarze 1387:
1.108 schwarze 1388: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.106 schwarze 1389: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.110 schwarze 1390: if (parse_rest(mdoc, tok, line, pos, buf))
1391: return;
1392: rew_elem(mdoc, tok);
1393: }
1394:
1395: /*
1396: * The simplest argument parser available: Parse the remaining
1397: * words until the end of the phrase or line and return 0
1398: * or until the next macro, call that macro, and return 1.
1399: */
1400: static int
1.141 schwarze 1401: parse_rest(struct mdoc *mdoc, int tok, int line, int *pos, char *buf)
1.110 schwarze 1402: {
1403: int la;
1.1 kristaps 1404:
1405: for (;;) {
1406: la = *pos;
1.109 schwarze 1407: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.110 schwarze 1408: return(0);
1.109 schwarze 1409: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.110 schwarze 1410: return(1);
1.1 kristaps 1411: }
1.28 schwarze 1412: }
1413:
1.107 schwarze 1414: static void
1.28 schwarze 1415: ctx_synopsis(MACRO_PROT_ARGS)
1416: {
1.37 schwarze 1417:
1.107 schwarze 1418: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1419: in_line(mdoc, tok, line, ppos, pos, buf);
1420: else if (tok == MDOC_Nm)
1421: blk_full(mdoc, tok, line, ppos, pos, buf);
1422: else {
1423: assert(tok == MDOC_Vt);
1424: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1425: }
1.1 kristaps 1426: }
1427:
1.17 schwarze 1428: /*
1429: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1430: * They're unusual because they're basically free-form text until a
1431: * macro is encountered.
1432: */
1.107 schwarze 1433: static void
1.46 schwarze 1434: phrase_ta(MACRO_PROT_ARGS)
1435: {
1.141 schwarze 1436: struct roff_node *body, *n;
1.46 schwarze 1437:
1.78 schwarze 1438: /* Make sure we are in a column list or ignore this macro. */
1.107 schwarze 1439:
1.123 schwarze 1440: body = NULL;
1441: for (n = mdoc->last; n != NULL; n = n->parent) {
1.139 schwarze 1442: if (n->flags & MDOC_ENDED)
1.123 schwarze 1443: continue;
1.140 schwarze 1444: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.123 schwarze 1445: body = n;
1446: if (n->tok == MDOC_Bl)
1447: break;
1448: }
1449:
1.107 schwarze 1450: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.94 schwarze 1451: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.96 schwarze 1452: line, ppos, "Ta");
1.107 schwarze 1453: return;
1.78 schwarze 1454: }
1.46 schwarze 1455:
1.78 schwarze 1456: /* Advance to the next column. */
1.106 schwarze 1457:
1.123 schwarze 1458: rew_last(mdoc, body);
1.106 schwarze 1459: mdoc_body_alloc(mdoc, line, ppos, MDOC_It);
1.110 schwarze 1460: parse_rest(mdoc, MDOC_MAX, line, pos, buf);
1.46 schwarze 1461: }
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