Annotation of src/usr.bin/mandoc/mdoc_macro.c, Revision 1.127
1.127 ! schwarze 1: /* $OpenBSD: mdoc_macro.c,v 1.126 2015/02/03 00:48:27 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: *
1.2 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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:
1.66 schwarze 27: #include "mdoc.h"
1.44 schwarze 28: #include "mandoc.h"
1.1 kristaps 29: #include "libmdoc.h"
1.39 schwarze 30: #include "libmandoc.h"
1.1 kristaps 31:
1.107 schwarze 32: static void blk_full(MACRO_PROT_ARGS);
33: static void blk_exp_close(MACRO_PROT_ARGS);
34: static void blk_part_exp(MACRO_PROT_ARGS);
35: static void blk_part_imp(MACRO_PROT_ARGS);
36: static void ctx_synopsis(MACRO_PROT_ARGS);
37: static void in_line_eoln(MACRO_PROT_ARGS);
38: static void in_line_argn(MACRO_PROT_ARGS);
39: static void in_line(MACRO_PROT_ARGS);
40: static void phrase_ta(MACRO_PROT_ARGS);
1.36 schwarze 41:
1.106 schwarze 42: static void dword(struct mdoc *, int, int, const char *,
1.80 schwarze 43: enum mdelim, int);
1.106 schwarze 44: static void append_delims(struct mdoc *, int, int *, char *);
1.111 schwarze 45: static enum mdoct lookup(struct mdoc *, enum mdoct,
46: int, int, const char *);
1.109 schwarze 47: static int macro_or_word(MACRO_PROT_ARGS, int);
1.124 schwarze 48: static void make_pending(struct mdoc *, struct mdoc_node *,
49: struct mdoc_node *, int, int);
1.110 schwarze 50: static int parse_rest(struct mdoc *, enum mdoct,
51: int, int *, char *);
1.88 schwarze 52: static enum mdoct rew_alt(enum mdoct);
1.105 schwarze 53: static void rew_elem(struct mdoc *, enum mdoct);
54: static void rew_last(struct mdoc *, const struct mdoc_node *);
1.122 schwarze 55: static void rew_pending(struct mdoc *, const struct mdoc_node *);
1.1 kristaps 56:
57: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
1.80 schwarze 58: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
1.1 kristaps 59: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
60: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
61: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.80 schwarze 62: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
63: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
64: { in_line_eoln, 0 }, /* Pp */
65: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
66: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 67: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.80 schwarze 68: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 69: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.80 schwarze 70: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
71: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
72: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
73: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.1 kristaps 74: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.86 schwarze 75: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 76: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.80 schwarze 77: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
78: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
79: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 80: { in_line_eoln, 0 }, /* Ex */
1.80 schwarze 81: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
82: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.80 schwarze 84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
85: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.85 schwarze 86: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.11 schwarze 87: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.80 schwarze 88: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
89: { blk_full, MDOC_JOIN }, /* Nd */
90: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 91: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.89 schwarze 92: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 93: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
94: { in_line_eoln, 0 }, /* Rv */
1.80 schwarze 95: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 96: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.80 schwarze 97: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.28 schwarze 98: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.80 schwarze 99: { in_line_eoln, MDOC_JOIN }, /* %A */
100: { in_line_eoln, MDOC_JOIN }, /* %B */
101: { in_line_eoln, MDOC_JOIN }, /* %D */
102: { in_line_eoln, MDOC_JOIN }, /* %I */
103: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 104: { in_line_eoln, 0 }, /* %N */
1.80 schwarze 105: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 106: { in_line_eoln, 0 }, /* %P */
1.80 schwarze 107: { in_line_eoln, MDOC_JOIN }, /* %R */
108: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 109: { in_line_eoln, 0 }, /* %V */
1.80 schwarze 110: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
111: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
112: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
113: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
114: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 115: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.80 schwarze 116: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
117: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
118: { blk_full, MDOC_EXPLICIT }, /* Bf */
119: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
120: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
121: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 122: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
123: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
124: { in_line_eoln, 0 }, /* Db */
1.80 schwarze 125: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
126: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
127: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
128: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
129: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
130: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
131: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
132: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 133: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
134: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.3 schwarze 135: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.100 schwarze 136: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.80 schwarze 137: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
138: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 139: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
140: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.80 schwarze 141: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
142: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.35 schwarze 143: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.80 schwarze 144: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
145: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
146: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
147: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
148: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
149: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
150: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
151: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
152: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
153: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 154: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.80 schwarze 155: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
156: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
157: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
158: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
159: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.103 schwarze 160: { in_line_argn, 0 }, /* Sm */
1.80 schwarze 161: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
162: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 163: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.80 schwarze 164: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 165: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
166: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.80 schwarze 167: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
168: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
169: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
170: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
171: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
172: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
173: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 174: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.80 schwarze 175: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 176: { in_line_eoln, 0 }, /* Bt */
177: { in_line_eoln, 0 }, /* Hf */
1.89 schwarze 178: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 179: { in_line_eoln, 0 }, /* Ud */
1.45 schwarze 180: { in_line, 0 }, /* Lb */
1.80 schwarze 181: { in_line_eoln, 0 }, /* Lp */
182: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
183: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
184: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
185: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
186: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
187: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
188: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
189: { in_line_eoln, MDOC_JOIN }, /* %C */
1.89 schwarze 190: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
191: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 192: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.80 schwarze 193: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.13 schwarze 194: { in_line_eoln, 0 }, /* br */
195: { in_line_eoln, 0 }, /* sp */
1.25 schwarze 196: { in_line_eoln, 0 }, /* %U */
1.80 schwarze 197: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.99 schwarze 198: { in_line_eoln, MDOC_PROLOGUE }, /* ll */
1.1 kristaps 199: };
200:
201: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
202:
203:
204: /*
205: * This is called at the end of parsing. It must traverse up the tree,
206: * closing out open [implicit] scopes. Obviously, open explicit scopes
207: * are errors.
208: */
1.107 schwarze 209: void
1.76 schwarze 210: mdoc_macroend(struct mdoc *mdoc)
1.1 kristaps 211: {
212: struct mdoc_node *n;
213:
214: /* Scan for open explicit scopes. */
215:
1.107 schwarze 216: n = mdoc->last->flags & MDOC_VALID ?
1.88 schwarze 217: mdoc->last->parent : mdoc->last;
1.1 kristaps 218:
1.56 schwarze 219: for ( ; n; n = n->parent)
1.107 schwarze 220: if (n->type == MDOC_BLOCK &&
221: mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
1.94 schwarze 222: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
223: n->line, n->pos, mdoc_macronames[n->tok]);
1.1 kristaps 224:
1.22 schwarze 225: /* Rewind to the first. */
226:
1.105 schwarze 227: rew_last(mdoc, mdoc->first);
1.1 kristaps 228: }
229:
1.22 schwarze 230: /*
1.109 schwarze 231: * Look up the macro at *p called by "from",
232: * or as a line macro if from == MDOC_MAX.
1.22 schwarze 233: */
1.36 schwarze 234: static enum mdoct
1.111 schwarze 235: lookup(struct mdoc *mdoc, enum mdoct from, int line, int ppos, const char *p)
1.21 schwarze 236: {
1.36 schwarze 237: enum mdoct res;
1.1 kristaps 238:
1.109 schwarze 239: if (from == MDOC_MAX || mdoc_macros[from].flags & MDOC_PARSED) {
240: res = mdoc_hash_find(p);
1.111 schwarze 241: if (res != MDOC_MAX) {
242: if (mdoc_macros[res].flags & MDOC_CALLABLE)
243: return(res);
244: if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll)
245: mandoc_msg(MANDOCERR_MACRO_CALL,
246: mdoc->parse, line, ppos, p);
247: }
1.109 schwarze 248: }
1.1 kristaps 249: return(MDOC_MAX);
250: }
251:
1.122 schwarze 252: /*
253: * Rewind up to and including a specific node.
254: */
1.105 schwarze 255: static void
1.22 schwarze 256: rew_last(struct mdoc *mdoc, const struct mdoc_node *to)
1.1 kristaps 257: {
1.63 schwarze 258: struct mdoc_node *n, *np;
1.1 kristaps 259:
260: assert(to);
261: mdoc->next = MDOC_NEXT_SIBLING;
262: while (mdoc->last != to) {
1.122 schwarze 263: if ( ! (mdoc->last->flags & MDOC_VALID))
264: mdoc->last->lastline = to->lastline -
265: (mdoc->flags & MDOC_NEWLINE ? 1 : 0);
1.63 schwarze 266: /*
267: * Save the parent here, because we may delete the
1.76 schwarze 268: * mdoc->last node in the post-validation phase and reset
269: * it to mdoc->last->parent, causing a step in the closing
1.63 schwarze 270: * out to be lost.
271: */
272: np = mdoc->last->parent;
1.105 schwarze 273: mdoc_valid_post(mdoc);
1.61 schwarze 274: n = mdoc->last;
1.63 schwarze 275: mdoc->last = np;
1.1 kristaps 276: assert(mdoc->last);
1.61 schwarze 277: mdoc->last->last = n;
1.1 kristaps 278: }
1.105 schwarze 279: mdoc_valid_post(mdoc);
1.1 kristaps 280: }
281:
1.22 schwarze 282: /*
1.122 schwarze 283: * Rewind up to a specific block, including all blocks that broke it.
284: */
285: static void
286: rew_pending(struct mdoc *mdoc, const struct mdoc_node *n)
287: {
288:
289: rew_last(mdoc, n);
290:
291: if (n->type != MDOC_BLOCK)
292: return;
293:
294: while ((n = n->pending) != NULL) {
295: rew_last(mdoc, n);
296: if (n->type == MDOC_HEAD)
297: mdoc_body_alloc(mdoc, n->line, n->pos, n->tok);
298: }
299: }
300:
301: /*
1.48 schwarze 302: * For a block closing macro, return the corresponding opening one.
303: * Otherwise, return the macro itself.
1.22 schwarze 304: */
1.34 schwarze 305: static enum mdoct
306: rew_alt(enum mdoct tok)
1.1 kristaps 307: {
308: switch (tok) {
1.88 schwarze 309: case MDOC_Ac:
1.1 kristaps 310: return(MDOC_Ao);
1.88 schwarze 311: case MDOC_Bc:
1.1 kristaps 312: return(MDOC_Bo);
1.88 schwarze 313: case MDOC_Brc:
1.1 kristaps 314: return(MDOC_Bro);
1.88 schwarze 315: case MDOC_Dc:
1.1 kristaps 316: return(MDOC_Do);
1.88 schwarze 317: case MDOC_Ec:
1.1 kristaps 318: return(MDOC_Eo);
1.88 schwarze 319: case MDOC_Ed:
1.1 kristaps 320: return(MDOC_Bd);
1.88 schwarze 321: case MDOC_Ef:
1.1 kristaps 322: return(MDOC_Bf);
1.88 schwarze 323: case MDOC_Ek:
1.1 kristaps 324: return(MDOC_Bk);
1.88 schwarze 325: case MDOC_El:
1.1 kristaps 326: return(MDOC_Bl);
1.88 schwarze 327: case MDOC_Fc:
1.1 kristaps 328: return(MDOC_Fo);
1.88 schwarze 329: case MDOC_Oc:
1.1 kristaps 330: return(MDOC_Oo);
1.88 schwarze 331: case MDOC_Pc:
1.1 kristaps 332: return(MDOC_Po);
1.88 schwarze 333: case MDOC_Qc:
1.1 kristaps 334: return(MDOC_Qo);
1.88 schwarze 335: case MDOC_Re:
1.1 kristaps 336: return(MDOC_Rs);
1.88 schwarze 337: case MDOC_Sc:
1.1 kristaps 338: return(MDOC_So);
1.88 schwarze 339: case MDOC_Xc:
1.1 kristaps 340: return(MDOC_Xo);
341: default:
1.48 schwarze 342: return(tok);
1.1 kristaps 343: }
344: /* NOTREACHED */
345: }
346:
1.105 schwarze 347: static void
1.34 schwarze 348: rew_elem(struct mdoc *mdoc, enum mdoct tok)
1.1 kristaps 349: {
350: struct mdoc_node *n;
351:
352: n = mdoc->last;
353: if (MDOC_ELEM != n->type)
354: n = n->parent;
355: assert(MDOC_ELEM == n->type);
356: assert(tok == n->tok);
1.105 schwarze 357: rew_last(mdoc, n);
1.1 kristaps 358: }
359:
1.47 schwarze 360: /*
1.124 schwarze 361: * We are trying to close the block *breaker,
1.47 schwarze 362: * but the child block *broken is still open.
1.124 schwarze 363: * Thus, postpone closing the *breaker
1.123 schwarze 364: * until the rew_pending() call closing *broken.
1.47 schwarze 365: */
1.124 schwarze 366: static void
367: make_pending(struct mdoc *mdoc, struct mdoc_node *breaker,
368: struct mdoc_node *broken, int line, int ppos)
1.47 schwarze 369: {
1.124 schwarze 370: struct mdoc_node *n;
1.47 schwarze 371:
1.125 schwarze 372: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse, line, ppos,
373: "%s breaks %s", mdoc_macronames[breaker->tok],
374: mdoc_macronames[broken->tok]);
1.124 schwarze 375:
1.125 schwarze 376: /*
377: * If the *broken block (Z) is already broken by a block (B)
378: * contained in the breaker (A), make the breaker pending
379: * on that inner breaker (B). Graphically,
380: *
381: * breaker=[A! broken=n=[B!->A (old broken=)[Z->B B] A] Z]
382: *
383: * In these graphics, "->" indicates the "pending" pointer and
384: * "!" indicates the MDOC_BREAK flag. Each of the cases gets
385: * one additional pointer (B->A) and one additional flag (A!).
386: */
1.47 schwarze 387:
1.125 schwarze 388: for (n = broken->parent; ; n = n->parent)
389: if (n == broken->pending)
1.124 schwarze 390: broken = n;
1.125 schwarze 391: else if (n == breaker)
392: break;
393:
394: /*
395: * Found the breaker.
396: *
397: * If another, outer breaker (X) is already pending on
398: * the *broken block (B), we must not clobber the link
399: * to the outer breaker, but make it pending on the new,
400: * now inner breaker (A). Graphically,
401: *
402: * [X! n=breaker=[A!->X broken=[B(->X)->A X] A] B].
403: */
1.47 schwarze 404:
1.125 schwarze 405: if (broken->pending != NULL) {
406: n = breaker;
1.47 schwarze 407:
408: /*
1.125 schwarze 409: * If the inner breaker (A) is already broken, too,
410: * it cannot take on the outer breaker (X) but must
411: * hand it on to its own breakers (Y). Graphically,
412: *
413: * [X! n=[Y!->X breaker=[A!->Y Y] broken=[B(->X)->A X] A] B]
1.47 schwarze 414: */
415:
1.125 schwarze 416: while (n->pending)
417: n = n->pending;
418: n->pending = broken->pending;
419: }
420:
421: /*
422: * Now we have reduced the situation to the simplest case:
423: * breaker=[A! broken=[B->A A] B].
424: */
1.114 schwarze 425:
1.125 schwarze 426: broken->pending = breaker;
427: breaker->flags |= MDOC_BREAK;
428: if (breaker->body != NULL)
429: breaker->body->flags |= MDOC_BREAK;
1.47 schwarze 430: }
431:
1.66 schwarze 432: /*
433: * Allocate a word and check whether it's punctuation or not.
434: * Punctuation consists of those tokens found in mdoc_isdelim().
435: */
1.106 schwarze 436: static void
1.80 schwarze 437: dword(struct mdoc *mdoc, int line, int col, const char *p,
438: enum mdelim d, int may_append)
1.66 schwarze 439: {
1.88 schwarze 440:
1.106 schwarze 441: if (d == DELIM_MAX)
1.66 schwarze 442: d = mdoc_isdelim(p);
443:
1.80 schwarze 444: if (may_append &&
1.106 schwarze 445: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
446: d == DELIM_NONE && mdoc->last->type == MDOC_TEXT &&
447: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.80 schwarze 448: mdoc_word_append(mdoc, p);
1.106 schwarze 449: return;
1.80 schwarze 450: }
451:
1.106 schwarze 452: mdoc_word_alloc(mdoc, line, col, p);
1.66 schwarze 453:
1.71 schwarze 454: /*
1.100 schwarze 455: * If the word consists of a bare delimiter,
456: * flag the new node accordingly,
457: * unless doing so was vetoed by the invoking macro.
458: * Always clear the veto, it is only valid for one word.
1.71 schwarze 459: */
460:
1.100 schwarze 461: if (d == DELIM_OPEN)
462: mdoc->last->flags |= MDOC_DELIMO;
463: else if (d == DELIM_CLOSE &&
464: ! (mdoc->flags & MDOC_NODELIMC) &&
1.88 schwarze 465: mdoc->last->parent->tok != MDOC_Fd)
1.76 schwarze 466: mdoc->last->flags |= MDOC_DELIMC;
1.100 schwarze 467: mdoc->flags &= ~MDOC_NODELIMC;
1.66 schwarze 468: }
1.1 kristaps 469:
1.106 schwarze 470: static void
1.76 schwarze 471: append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)
1.1 kristaps 472: {
1.109 schwarze 473: char *p;
1.42 schwarze 474: int la;
1.1 kristaps 475:
1.106 schwarze 476: if (buf[*pos] == '\0')
477: return;
1.1 kristaps 478:
479: for (;;) {
1.42 schwarze 480: la = *pos;
1.109 schwarze 481: if (mdoc_args(mdoc, line, pos, buf, MDOC_MAX, &p) == ARGS_EOLN)
1.1 kristaps 482: break;
1.80 schwarze 483: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.43 schwarze 484:
1.42 schwarze 485: /*
486: * If we encounter end-of-sentence symbols, then trigger
487: * the double-space.
488: *
1.68 schwarze 489: * XXX: it's easy to allow this to propagate outward to
1.42 schwarze 490: * the last symbol, such that `. )' will cause the
491: * correct double-spacing. However, (1) groff isn't
492: * smart enough to do this and (2) it would require
493: * knowing which symbols break this behaviour, for
1.68 schwarze 494: * example, `. ;' shouldn't propagate the double-space.
1.42 schwarze 495: */
1.106 schwarze 496:
1.84 schwarze 497: if (mandoc_eos(p, strlen(p)))
1.76 schwarze 498: mdoc->last->flags |= MDOC_EOS;
1.1 kristaps 499: }
500: }
501:
502: /*
1.109 schwarze 503: * Parse one word.
504: * If it is a macro, call it and return 1.
505: * Otherwise, allocate it and return 0.
506: */
507: static int
508: macro_or_word(MACRO_PROT_ARGS, int parsed)
509: {
510: char *p;
511: enum mdoct ntok;
512:
513: p = buf + ppos;
514: ntok = MDOC_MAX;
1.113 schwarze 515: if (*p == '"')
1.109 schwarze 516: p++;
1.113 schwarze 517: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.111 schwarze 518: ntok = lookup(mdoc, tok, line, ppos, p);
1.109 schwarze 519:
520: if (ntok == MDOC_MAX) {
521: dword(mdoc, line, ppos, p, DELIM_MAX, tok == MDOC_MAX ||
522: mdoc_macros[tok].flags & MDOC_JOIN);
523: return(0);
524: } else {
525: if (mdoc_macros[tok].fp == in_line_eoln)
526: rew_elem(mdoc, tok);
527: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
528: if (tok == MDOC_MAX)
529: append_delims(mdoc, line, pos, buf);
530: return(1);
531: }
532: }
533:
534: /*
1.88 schwarze 535: * Close out block partial/full explicit.
1.1 kristaps 536: */
1.107 schwarze 537: static void
1.1 kristaps 538: blk_exp_close(MACRO_PROT_ARGS)
539: {
1.47 schwarze 540: struct mdoc_node *body; /* Our own body. */
1.104 schwarze 541: struct mdoc_node *endbody; /* Our own end marker. */
1.127 ! schwarze 542: struct mdoc_node *itblk; /* An It block starting later. */
1.47 schwarze 543: struct mdoc_node *later; /* A sub-block starting later. */
1.122 schwarze 544: struct mdoc_node *n; /* Search back to our block. */
1.47 schwarze 545:
1.127 ! schwarze 546: int j, lastarg, maxargs, nl;
1.36 schwarze 547: enum margserr ac;
1.47 schwarze 548: enum mdoct atok, ntok;
1.1 kristaps 549: char *p;
550:
1.76 schwarze 551: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 552:
1.1 kristaps 553: switch (tok) {
1.88 schwarze 554: case MDOC_Ec:
1.1 kristaps 555: maxargs = 1;
556: break;
1.88 schwarze 557: case MDOC_Ek:
1.82 schwarze 558: mdoc->flags &= ~MDOC_KEEP;
1.107 schwarze 559: /* FALLTHROUGH */
1.1 kristaps 560: default:
561: maxargs = 0;
562: break;
563: }
564:
1.47 schwarze 565: /*
566: * Search backwards for beginnings of blocks,
567: * both of our own and of pending sub-blocks.
568: */
1.107 schwarze 569:
1.47 schwarze 570: atok = rew_alt(tok);
1.127 ! schwarze 571: body = endbody = itblk = later = NULL;
1.76 schwarze 572: for (n = mdoc->last; n; n = n->parent) {
1.117 schwarze 573: if (n->flags & (MDOC_VALID | MDOC_BREAK))
1.47 schwarze 574: continue;
575:
576: /* Remember the start of our own body. */
1.107 schwarze 577:
1.106 schwarze 578: if (n->type == MDOC_BODY && atok == n->tok) {
1.122 schwarze 579: if (n->end == ENDBODY_NOT) {
1.47 schwarze 580: body = n;
1.122 schwarze 581: n->lastline = line;
582: }
1.47 schwarze 583: continue;
584: }
585:
1.106 schwarze 586: if (n->type != MDOC_BLOCK || n->tok == MDOC_Nm)
1.47 schwarze 587: continue;
1.116 schwarze 588:
589: if (n->tok == MDOC_It) {
1.127 ! schwarze 590: itblk = n;
1.116 schwarze 591: continue;
592: }
593:
1.47 schwarze 594: if (atok == n->tok) {
1.122 schwarze 595: n->lastline = line;
1.47 schwarze 596: assert(body);
597:
598: /*
599: * Found the start of our own block.
600: * When there is no pending sub block,
601: * just proceed to closing out.
602: */
1.107 schwarze 603:
1.116 schwarze 604: if (later == NULL ||
1.127 ! schwarze 605: (tok == MDOC_El && itblk == NULL))
1.47 schwarze 606: break;
607:
1.88 schwarze 608: /*
1.123 schwarze 609: * When there is a pending sub block, postpone
610: * closing out the current block until the
611: * rew_pending() closing out the sub-block.
1.47 schwarze 612: */
1.107 schwarze 613:
1.124 schwarze 614: make_pending(mdoc, n, later, line, ppos);
1.127 ! schwarze 615: if (tok == MDOC_El)
! 616: itblk->flags |= MDOC_BREAK;
1.47 schwarze 617:
618: /*
619: * Mark the place where the formatting - but not
620: * the scope - of the current block ends.
621: */
1.107 schwarze 622:
1.122 schwarze 623: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.106 schwarze 624: atok, body, ENDBODY_SPACE);
1.107 schwarze 625:
626: /*
627: * If a block closing macro taking arguments
628: * breaks another block, put the arguments
1.122 schwarze 629: * into the end marker.
1.107 schwarze 630: */
631:
1.122 schwarze 632: if (maxargs)
1.104 schwarze 633: mdoc->next = MDOC_NEXT_CHILD;
1.47 schwarze 634: break;
635: }
636:
637: /*
638: * When finding an open sub block, remember the last
639: * open explicit block, or, in case there are only
640: * implicit ones, the first open implicit block.
641: */
1.107 schwarze 642:
1.116 schwarze 643: if (later == NULL ||
644: ! (mdoc_macros[later->tok].flags & MDOC_EXPLICIT))
1.47 schwarze 645: later = n;
646: }
1.122 schwarze 647:
648: if (body == NULL) {
649: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
650: line, ppos, mdoc_macronames[tok]);
651: if (maxargs && endbody == NULL) {
652: /*
653: * Stray .Ec without previous .Eo:
654: * Break the output line, keep the arguments.
655: */
656: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
657: rew_elem(mdoc, MDOC_br);
658: }
659: } else if (endbody == NULL) {
660: rew_last(mdoc, body);
661: if (maxargs)
662: mdoc_tail_alloc(mdoc, line, ppos, atok);
663: }
1.47 schwarze 664:
1.106 schwarze 665: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
666: if (buf[*pos] != '\0')
1.93 schwarze 667: mandoc_vmsg(MANDOCERR_ARG_SKIP,
668: mdoc->parse, line, ppos,
669: "%s %s", mdoc_macronames[tok],
670: buf + *pos);
1.127 ! schwarze 671: if (endbody == NULL && n != NULL)
1.123 schwarze 672: rew_pending(mdoc, n);
1.107 schwarze 673: return;
1.1 kristaps 674: }
675:
1.122 schwarze 676: if (endbody != NULL)
677: n = endbody;
1.104 schwarze 678: for (j = 0; ; j++) {
1.1 kristaps 679: lastarg = *pos;
680:
1.122 schwarze 681: if (j == maxargs && n != NULL) {
682: rew_pending(mdoc, n);
683: n = NULL;
1.1 kristaps 684: }
685:
1.76 schwarze 686: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 687: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 688: break;
689:
1.111 schwarze 690: ntok = ac == ARGS_QWORD ? MDOC_MAX :
691: lookup(mdoc, tok, line, lastarg, p);
1.36 schwarze 692:
1.106 schwarze 693: if (ntok == MDOC_MAX) {
694: dword(mdoc, line, lastarg, p, DELIM_MAX,
695: MDOC_JOIN & mdoc_macros[tok].flags);
1.36 schwarze 696: continue;
697: }
1.1 kristaps 698:
1.122 schwarze 699: if (n != NULL) {
700: rew_pending(mdoc, n);
701: n = NULL;
1.36 schwarze 702: }
1.79 schwarze 703: mdoc->flags &= ~MDOC_NEWLINE;
1.107 schwarze 704: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.36 schwarze 705: break;
1.1 kristaps 706: }
707:
1.122 schwarze 708: if (n != NULL)
709: rew_pending(mdoc, n);
1.106 schwarze 710: if (nl)
711: append_delims(mdoc, line, pos, buf);
1.1 kristaps 712: }
713:
1.107 schwarze 714: static void
1.1 kristaps 715: in_line(MACRO_PROT_ARGS)
716: {
1.100 schwarze 717: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.36 schwarze 718: enum mdoct ntok;
719: enum margserr ac;
1.40 schwarze 720: enum mdelim d;
1.36 schwarze 721: struct mdoc_arg *arg;
722: char *p;
1.1 kristaps 723:
1.76 schwarze 724: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 725:
1.1 kristaps 726: /*
727: * Whether we allow ignored elements (those without content,
728: * usually because of reserved words) to squeak by.
729: */
1.32 schwarze 730:
1.1 kristaps 731: switch (tok) {
1.88 schwarze 732: case MDOC_An:
1.19 schwarze 733: /* FALLTHROUGH */
1.88 schwarze 734: case MDOC_Ar:
1.1 kristaps 735: /* FALLTHROUGH */
1.88 schwarze 736: case MDOC_Fl:
1.1 kristaps 737: /* FALLTHROUGH */
1.88 schwarze 738: case MDOC_Mt:
1.18 schwarze 739: /* FALLTHROUGH */
1.88 schwarze 740: case MDOC_Nm:
1.19 schwarze 741: /* FALLTHROUGH */
1.88 schwarze 742: case MDOC_Pa:
1.1 kristaps 743: nc = 1;
744: break;
745: default:
746: nc = 0;
747: break;
748: }
749:
1.108 schwarze 750: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 751:
1.100 schwarze 752: d = DELIM_NONE;
753: firstarg = 1;
1.98 schwarze 754: mayopen = 1;
1.45 schwarze 755: for (cnt = scope = 0;; ) {
1.1 kristaps 756: la = *pos;
1.76 schwarze 757: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 758:
1.100 schwarze 759: /*
760: * At the end of a macro line,
761: * opening delimiters do not suppress spacing.
762: */
763:
764: if (ac == ARGS_EOLN) {
765: if (d == DELIM_OPEN)
766: mdoc->last->flags &= ~MDOC_DELIMO;
1.1 kristaps 767: break;
1.100 schwarze 768: }
769:
770: /*
771: * The rest of the macro line is only punctuation,
772: * to be handled by append_delims().
773: * If there were no other arguments,
774: * do not allow the first one to suppress spacing,
775: * even if it turns out to be a closing one.
776: */
777:
778: if (ac == ARGS_PUNCT) {
779: if (cnt == 0 && nc == 0)
780: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 781: break;
1.100 schwarze 782: }
1.1 kristaps 783:
1.101 schwarze 784: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.111 schwarze 785: MDOC_MAX : lookup(mdoc, tok, line, la, p);
1.1 kristaps 786:
1.88 schwarze 787: /*
1.1 kristaps 788: * In this case, we've located a submacro and must
789: * execute it. Close out scope, if open. If no
790: * elements have been generated, either create one (nc)
791: * or raise a warning.
792: */
793:
1.106 schwarze 794: if (ntok != MDOC_MAX) {
1.105 schwarze 795: if (scope)
796: rew_elem(mdoc, tok);
1.106 schwarze 797: if (nc && ! cnt) {
798: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.105 schwarze 799: rew_last(mdoc, mdoc->last);
1.106 schwarze 800: } else if ( ! nc && ! cnt) {
1.1 kristaps 801: mdoc_argv_free(arg);
1.92 schwarze 802: mandoc_msg(MANDOCERR_MACRO_EMPTY,
803: mdoc->parse, line, ppos,
804: mdoc_macronames[tok]);
1.1 kristaps 805: }
1.107 schwarze 806: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.106 schwarze 807: if (nl)
808: append_delims(mdoc, line, pos, buf);
1.107 schwarze 809: return;
1.88 schwarze 810: }
1.1 kristaps 811:
1.88 schwarze 812: /*
1.1 kristaps 813: * Non-quote-enclosed punctuation. Set up our scope, if
814: * a word; rewind the scope, if a delimiter; then append
1.88 schwarze 815: * the word.
1.1 kristaps 816: */
817:
1.106 schwarze 818: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.1 kristaps 819:
1.45 schwarze 820: if (DELIM_NONE != d) {
821: /*
822: * If we encounter closing punctuation, no word
1.100 schwarze 823: * has been emitted, no scope is open, and we're
1.45 schwarze 824: * allowed to have an empty element, then start
1.98 schwarze 825: * a new scope.
1.45 schwarze 826: */
1.98 schwarze 827: if ((d == DELIM_CLOSE ||
828: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.100 schwarze 829: !cnt && !scope && nc && mayopen) {
1.106 schwarze 830: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 831: scope = 1;
1.98 schwarze 832: cnt++;
1.106 schwarze 833: if (tok == MDOC_Nm)
1.98 schwarze 834: mayopen = 0;
1.45 schwarze 835: }
836: /*
837: * Close out our scope, if one is open, before
838: * any punctuation.
839: */
1.105 schwarze 840: if (scope)
841: rew_elem(mdoc, tok);
1.45 schwarze 842: scope = 0;
1.101 schwarze 843: if (tok == MDOC_Fn)
844: mayopen = 0;
1.98 schwarze 845: } else if (mayopen && !scope) {
1.106 schwarze 846: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 847: scope = 1;
1.98 schwarze 848: cnt++;
1.1 kristaps 849: }
1.66 schwarze 850:
1.106 schwarze 851: dword(mdoc, line, la, p, d,
852: MDOC_JOIN & mdoc_macros[tok].flags);
1.27 schwarze 853:
854: /*
1.100 schwarze 855: * If the first argument is a closing delimiter,
856: * do not suppress spacing before it.
857: */
858:
859: if (firstarg && d == DELIM_CLOSE && !nc)
860: mdoc->last->flags &= ~MDOC_DELIMC;
861: firstarg = 0;
862:
863: /*
1.27 schwarze 864: * `Fl' macros have their scope re-opened with each new
865: * word so that the `-' can be added to each one without
866: * having to parse out spaces.
867: */
1.106 schwarze 868: if (scope && tok == MDOC_Fl) {
1.105 schwarze 869: rew_elem(mdoc, tok);
1.45 schwarze 870: scope = 0;
1.27 schwarze 871: }
1.1 kristaps 872: }
873:
1.105 schwarze 874: if (scope)
875: rew_elem(mdoc, tok);
1.1 kristaps 876:
877: /*
878: * If no elements have been collected and we're allowed to have
879: * empties (nc), open a scope and close it out. Otherwise,
880: * raise a warning.
881: */
1.32 schwarze 882:
1.106 schwarze 883: if ( ! cnt) {
884: if (nc) {
885: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
886: rew_last(mdoc, mdoc->last);
887: } else {
888: mdoc_argv_free(arg);
889: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
890: line, ppos, mdoc_macronames[tok]);
891: }
1.1 kristaps 892: }
1.106 schwarze 893: if (nl)
894: append_delims(mdoc, line, pos, buf);
1.1 kristaps 895: }
896:
1.107 schwarze 897: static void
1.1 kristaps 898: blk_full(MACRO_PROT_ARGS)
899: {
1.109 schwarze 900: int la, nl, parsed;
1.1 kristaps 901: struct mdoc_arg *arg;
1.127 ! schwarze 902: struct mdoc_node *blk; /* Our own or a broken block. */
1.121 schwarze 903: struct mdoc_node *head; /* Our own head. */
904: struct mdoc_node *body; /* Our own body. */
1.32 schwarze 905: struct mdoc_node *n;
1.37 schwarze 906: enum margserr ac, lac;
1.1 kristaps 907: char *p;
908:
1.76 schwarze 909: nl = MDOC_NEWLINE & mdoc->flags;
1.95 schwarze 910:
1.127 ! schwarze 911: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
! 912:
! 913: /* Here, tok is one of Sh Ss Nm Nd It. */
! 914:
! 915: blk = NULL;
! 916: for (n = mdoc->last; n != NULL; n = n->parent) {
! 917: if (n->flags & (MDOC_VALID | MDOC_BREAK) ||
! 918: n->type != MDOC_BLOCK)
! 919: continue;
! 920: if (tok == MDOC_It && n->tok == MDOC_Bl) {
! 921: if (blk != NULL) {
! 922: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
! 923: mdoc->parse, line, ppos,
! 924: "It breaks %s",
! 925: mdoc_macronames[blk->tok]);
! 926: rew_pending(mdoc, blk);
! 927: }
! 928: break;
! 929: }
! 930:
! 931: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
! 932: switch (tok) {
! 933: case MDOC_Sh:
! 934: /* FALLTHROUGH */
! 935: case MDOC_Ss:
! 936: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
! 937: mdoc->parse, line, ppos,
! 938: "%s breaks %s",
! 939: mdoc_macronames[tok],
! 940: mdoc_macronames[n->tok]);
! 941: rew_pending(mdoc, n);
! 942: continue;
! 943: case MDOC_It:
! 944: /* Delay in case it's astray. */
! 945: blk = n;
! 946: continue;
! 947: default:
! 948: break;
! 949: }
! 950: break;
! 951: }
! 952:
! 953: /* Here, n is one of Sh Ss Nm Nd It. */
1.95 schwarze 954:
1.127 ! schwarze 955: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
! 956: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
! 957: (tok != MDOC_It && n->tok == MDOC_It)))))
1.95 schwarze 958: break;
1.127 ! schwarze 959:
! 960: /* Item breaking an explicit block. */
! 961:
! 962: if (blk != NULL) {
! 963: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
! 964: mdoc->parse, line, ppos,
! 965: "It breaks %s",
! 966: mdoc_macronames[blk->tok]);
! 967: rew_pending(mdoc, blk);
! 968: }
! 969:
! 970: /* Close out prior implicit scopes. */
! 971:
! 972: rew_last(mdoc, n);
! 973: }
! 974:
! 975: /* Skip items outside lists. */
! 976:
! 977: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.95 schwarze 978: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
979: line, ppos, "It %s", buf + *pos);
1.106 schwarze 980: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
1.105 schwarze 981: rew_elem(mdoc, MDOC_br);
1.107 schwarze 982: return;
1.95 schwarze 983: }
1.1 kristaps 984: }
985:
1.32 schwarze 986: /*
1.68 schwarze 987: * This routine accommodates implicitly- and explicitly-scoped
1.32 schwarze 988: * macro openings. Implicit ones first close out prior scope
989: * (seen above). Delay opening the head until necessary to
990: * allow leading punctuation to print. Special consideration
991: * for `It -column', which has phrase-part syntax instead of
992: * regular child nodes.
993: */
994:
1.108 schwarze 995: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.121 schwarze 996: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.34 schwarze 997: head = body = NULL;
1.1 kristaps 998:
1.32 schwarze 999: /*
1.73 schwarze 1000: * Exception: Heads of `It' macros in `-diag' lists are not
1001: * parsed, even though `It' macros in general are parsed.
1002: */
1.107 schwarze 1003:
1.109 schwarze 1004: parsed = tok != MDOC_It ||
1005: mdoc->last->parent->tok != MDOC_Bl ||
1006: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.73 schwarze 1007:
1008: /*
1.32 schwarze 1009: * The `Nd' macro has all arguments in its body: it's a hybrid
1010: * of block partial-explicit and full-implicit. Stupid.
1011: */
1.12 schwarze 1012:
1.106 schwarze 1013: if (tok == MDOC_Nd) {
1014: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.118 schwarze 1015: rew_last(mdoc, head);
1.106 schwarze 1016: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.80 schwarze 1017: }
1018:
1.106 schwarze 1019: if (tok == MDOC_Bk)
1.80 schwarze 1020: mdoc->flags |= MDOC_KEEP;
1.12 schwarze 1021:
1.106 schwarze 1022: ac = ARGS_PEND;
1023: for (;;) {
1.32 schwarze 1024: la = *pos;
1.106 schwarze 1025: lac = ac;
1.76 schwarze 1026: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1027: if (ac == ARGS_PUNCT)
1.52 schwarze 1028: break;
1.106 schwarze 1029: if (ac == ARGS_EOLN) {
1030: if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
1.46 schwarze 1031: break;
1032: /*
1033: * This is necessary: if the last token on a
1034: * line is a `Ta' or tab, then we'll get
1035: * ARGS_EOLN, so we must be smart enough to
1036: * reopen our scope if the last parse was a
1037: * phrase or partial phrase.
1038: */
1.123 schwarze 1039: if (body != NULL)
1040: rew_last(mdoc, body);
1.106 schwarze 1041: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1042: break;
1.41 schwarze 1043: }
1044:
1.88 schwarze 1045: /*
1.46 schwarze 1046: * Emit leading punctuation (i.e., punctuation before
1047: * the MDOC_HEAD) for non-phrase types.
1048: */
1.32 schwarze 1049:
1.106 schwarze 1050: if (head == NULL &&
1051: ac != ARGS_PEND &&
1052: ac != ARGS_PHRASE &&
1053: ac != ARGS_PPHRASE &&
1054: ac != ARGS_QWORD &&
1055: mdoc_isdelim(p) == DELIM_OPEN) {
1056: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1057: continue;
1058: }
1059:
1.46 schwarze 1060: /* Open a head if one hasn't been opened. */
1.32 schwarze 1061:
1.106 schwarze 1062: if (head == NULL)
1063: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1064:
1.106 schwarze 1065: if (ac == ARGS_PHRASE ||
1066: ac == ARGS_PEND ||
1067: ac == ARGS_PPHRASE) {
1.107 schwarze 1068:
1.46 schwarze 1069: /*
1070: * If we haven't opened a body yet, rewind the
1071: * head; if we have, rewind that instead.
1072: */
1073:
1.123 schwarze 1074: rew_last(mdoc, body == NULL ? head : body);
1.106 schwarze 1075: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1076:
1077: /*
1078: * Process phrases: set whether we're in a
1079: * partial-phrase (this effects line handling)
1080: * then call down into the phrase parser.
1081: */
1082:
1.106 schwarze 1083: if (ac == ARGS_PPHRASE)
1.76 schwarze 1084: mdoc->flags |= MDOC_PPHRASE;
1.106 schwarze 1085: if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
1.76 schwarze 1086: mdoc->flags |= MDOC_PPHRASE;
1.110 schwarze 1087: parse_rest(mdoc, MDOC_MAX, line, &la, buf);
1.76 schwarze 1088: mdoc->flags &= ~MDOC_PPHRASE;
1.1 kristaps 1089: continue;
1090: }
1091:
1.109 schwarze 1092: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.107 schwarze 1093: break;
1.32 schwarze 1094: }
1.1 kristaps 1095:
1.121 schwarze 1096: if (blk->flags & MDOC_VALID)
1097: return;
1.106 schwarze 1098: if (head == NULL)
1099: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1100: if (nl)
1101: append_delims(mdoc, line, pos, buf);
1.107 schwarze 1102: if (body != NULL)
1.46 schwarze 1103: goto out;
1.29 schwarze 1104:
1105: /*
1.34 schwarze 1106: * If there is an open (i.e., unvalidated) sub-block requiring
1107: * explicit close-out, postpone switching the current block from
1.123 schwarze 1108: * head to body until the rew_pending() call closing out that
1.34 schwarze 1109: * sub-block.
1.29 schwarze 1110: */
1.76 schwarze 1111: for (n = mdoc->last; n && n != head; n = n->parent) {
1.107 schwarze 1112: if (n->type == MDOC_BLOCK &&
1113: mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
1114: ! (n->flags & MDOC_VALID)) {
1.29 schwarze 1115: n->pending = head;
1.107 schwarze 1116: return;
1.29 schwarze 1117: }
1118: }
1.54 schwarze 1119:
1.32 schwarze 1120: /* Close out scopes to remain in a consistent state. */
1.12 schwarze 1121:
1.123 schwarze 1122: rew_last(mdoc, head);
1123: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1124: out:
1.106 schwarze 1125: if (mdoc->flags & MDOC_FREECOL) {
1.123 schwarze 1126: rew_last(mdoc, body);
1127: rew_last(mdoc, blk);
1.106 schwarze 1128: mdoc->flags &= ~MDOC_FREECOL;
1129: }
1.1 kristaps 1130: }
1131:
1.107 schwarze 1132: static void
1.1 kristaps 1133: blk_part_imp(MACRO_PROT_ARGS)
1134: {
1.43 schwarze 1135: int la, nl;
1.36 schwarze 1136: enum margserr ac;
1.1 kristaps 1137: char *p;
1.32 schwarze 1138: struct mdoc_node *blk; /* saved block context */
1139: struct mdoc_node *body; /* saved body context */
1140: struct mdoc_node *n;
1.1 kristaps 1141:
1.76 schwarze 1142: nl = MDOC_NEWLINE & mdoc->flags;
1.43 schwarze 1143:
1.32 schwarze 1144: /*
1145: * A macro that spans to the end of the line. This is generally
1146: * (but not necessarily) called as the first macro. The block
1147: * has a head as the immediate child, which is always empty,
1148: * followed by zero or more opening punctuation nodes, then the
1149: * body (which may be empty, depending on the macro), then zero
1150: * or more closing punctuation nodes.
1151: */
1.22 schwarze 1152:
1.106 schwarze 1153: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.118 schwarze 1154: rew_last(mdoc, mdoc_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1155:
1.32 schwarze 1156: /*
1157: * Open the body scope "on-demand", that is, after we've
1158: * processed all our the leading delimiters (open parenthesis,
1159: * etc.).
1160: */
1.1 kristaps 1161:
1.32 schwarze 1162: for (body = NULL; ; ) {
1.22 schwarze 1163: la = *pos;
1.76 schwarze 1164: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1165: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1166: break;
1167:
1.106 schwarze 1168: if (body == NULL && ac != ARGS_QWORD &&
1169: mdoc_isdelim(p) == DELIM_OPEN) {
1170: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1171: continue;
1.80 schwarze 1172: }
1.1 kristaps 1173:
1.106 schwarze 1174: if (body == NULL)
1175: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1176:
1.109 schwarze 1177: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.107 schwarze 1178: break;
1.32 schwarze 1179: }
1.106 schwarze 1180: if (body == NULL)
1181: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1182:
1.47 schwarze 1183: /*
1184: * If there is an open sub-block requiring explicit close-out,
1.123 schwarze 1185: * postpone closing out the current block until the
1186: * rew_pending() call closing out the sub-block.
1.47 schwarze 1187: */
1.107 schwarze 1188:
1.76 schwarze 1189: for (n = mdoc->last; n && n != body && n != blk->parent;
1.88 schwarze 1190: n = n->parent) {
1.106 schwarze 1191: if (n->type == MDOC_BLOCK &&
1192: mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
1193: ! (n->flags & MDOC_VALID)) {
1.124 schwarze 1194: make_pending(mdoc, blk, n, line, ppos);
1.106 schwarze 1195: mdoc_endbody_alloc(mdoc, line, ppos,
1196: tok, body, ENDBODY_NOSPACE);
1.107 schwarze 1197: return;
1.47 schwarze 1198: }
1199: }
1.91 schwarze 1200: assert(n == body);
1.120 schwarze 1201: rew_last(mdoc, body);
1.106 schwarze 1202: if (nl)
1203: append_delims(mdoc, line, pos, buf);
1.122 schwarze 1204: rew_pending(mdoc, blk);
1.74 schwarze 1205:
1206: /* Move trailing .Ns out of scope. */
1207:
1208: for (n = body->child; n && n->next; n = n->next)
1209: /* Do nothing. */ ;
1.106 schwarze 1210: if (n && n->tok == MDOC_Ns)
1.76 schwarze 1211: mdoc_node_relink(mdoc, n);
1.1 kristaps 1212: }
1213:
1.107 schwarze 1214: static void
1.1 kristaps 1215: blk_part_exp(MACRO_PROT_ARGS)
1216: {
1.37 schwarze 1217: int la, nl;
1.36 schwarze 1218: enum margserr ac;
1.32 schwarze 1219: struct mdoc_node *head; /* keep track of head */
1.1 kristaps 1220: char *p;
1221:
1.76 schwarze 1222: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 1223:
1.32 schwarze 1224: /*
1225: * The opening of an explicit macro having zero or more leading
1226: * punctuation nodes; a head with optional single element (the
1227: * case of `Eo'); and a body that may be empty.
1228: */
1.22 schwarze 1229:
1.106 schwarze 1230: mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.119 schwarze 1231: head = NULL;
1232: for (;;) {
1.22 schwarze 1233: la = *pos;
1.76 schwarze 1234: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1235: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1236: break;
1237:
1.32 schwarze 1238: /* Flush out leading punctuation. */
1239:
1.106 schwarze 1240: if (head == NULL && ac != ARGS_QWORD &&
1241: mdoc_isdelim(p) == DELIM_OPEN) {
1242: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1243: continue;
1.80 schwarze 1244: }
1.32 schwarze 1245:
1.106 schwarze 1246: if (head == NULL) {
1247: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1248: if (tok == MDOC_Eo) /* Not parsed. */
1.106 schwarze 1249: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.119 schwarze 1250: rew_last(mdoc, head);
1251: mdoc_body_alloc(mdoc, line, ppos, tok);
1.106 schwarze 1252: if (tok == MDOC_Eo)
1.32 schwarze 1253: continue;
1254: }
1255:
1.109 schwarze 1256: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.107 schwarze 1257: break;
1.1 kristaps 1258: }
1259:
1.32 schwarze 1260: /* Clean-up to leave in a consistent state. */
1261:
1.119 schwarze 1262: if (head == NULL) {
1263: rew_last(mdoc, mdoc_head_alloc(mdoc, line, ppos, tok));
1.106 schwarze 1264: mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1265: }
1.106 schwarze 1266: if (nl)
1267: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1268: }
1269:
1.107 schwarze 1270: static void
1.1 kristaps 1271: in_line_argn(MACRO_PROT_ARGS)
1272: {
1.37 schwarze 1273: int la, flushed, j, maxargs, nl;
1.36 schwarze 1274: enum margserr ac;
1275: struct mdoc_arg *arg;
1276: char *p;
1277: enum mdoct ntok;
1.1 kristaps 1278:
1.112 schwarze 1279: nl = mdoc->flags & MDOC_NEWLINE;
1.37 schwarze 1280:
1.32 schwarze 1281: /*
1282: * A line macro that has a fixed number of arguments (maxargs).
1283: * Only open the scope once the first non-leading-punctuation is
1284: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1285: * keep it open until the maximum number of arguments are
1286: * exhausted.
1287: */
1.1 kristaps 1288:
1289: switch (tok) {
1.88 schwarze 1290: case MDOC_Ap:
1.1 kristaps 1291: /* FALLTHROUGH */
1.88 schwarze 1292: case MDOC_Ns:
1.1 kristaps 1293: /* FALLTHROUGH */
1.88 schwarze 1294: case MDOC_Ux:
1.1 kristaps 1295: maxargs = 0;
1296: break;
1.88 schwarze 1297: case MDOC_Bx:
1.64 schwarze 1298: /* FALLTHROUGH */
1.89 schwarze 1299: case MDOC_Es:
1300: /* FALLTHROUGH */
1.88 schwarze 1301: case MDOC_Xr:
1.28 schwarze 1302: maxargs = 2;
1303: break;
1.1 kristaps 1304: default:
1305: maxargs = 1;
1306: break;
1307: }
1308:
1.108 schwarze 1309: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1310:
1.112 schwarze 1311: p = NULL;
1312: flushed = j = 0;
1313: for (;;) {
1.22 schwarze 1314: la = *pos;
1.76 schwarze 1315: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.112 schwarze 1316: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1317: if (j < 2 && tok == MDOC_Pf)
1318: mandoc_vmsg(MANDOCERR_PF_SKIP,
1319: mdoc->parse, line, ppos, "Pf %s",
1320: p == NULL ? "at eol" : p);
1.1 kristaps 1321: break;
1.112 schwarze 1322: }
1.1 kristaps 1323:
1.106 schwarze 1324: if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1325: ac != ARGS_QWORD && j == 0 &&
1326: mdoc_isdelim(p) == DELIM_OPEN) {
1327: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1328: continue;
1.106 schwarze 1329: } else if (j == 0)
1330: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.32 schwarze 1331:
1332: if (j == maxargs && ! flushed) {
1.105 schwarze 1333: rew_elem(mdoc, tok);
1.32 schwarze 1334: flushed = 1;
1335: }
1336:
1.112 schwarze 1337: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && j == 0)) ?
1338: MDOC_MAX : lookup(mdoc, tok, line, la, p);
1.36 schwarze 1339:
1.106 schwarze 1340: if (ntok != MDOC_MAX) {
1.105 schwarze 1341: if ( ! flushed)
1342: rew_elem(mdoc, tok);
1.1 kristaps 1343: flushed = 1;
1.107 schwarze 1344: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.32 schwarze 1345: j++;
1.1 kristaps 1346: break;
1347: }
1348:
1.106 schwarze 1349: if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1350: ac != ARGS_QWORD && ! flushed &&
1351: mdoc_isdelim(p) != DELIM_NONE) {
1.105 schwarze 1352: rew_elem(mdoc, tok);
1.1 kristaps 1353: flushed = 1;
1.28 schwarze 1354: }
1355:
1.106 schwarze 1356: dword(mdoc, line, la, p, DELIM_MAX,
1357: MDOC_JOIN & mdoc_macros[tok].flags);
1.32 schwarze 1358: j++;
1.1 kristaps 1359: }
1360:
1.112 schwarze 1361: if (j == 0) {
1.106 schwarze 1362: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.112 schwarze 1363: if (ac == ARGS_PUNCT && tok == MDOC_Pf)
1364: append_delims(mdoc, line, pos, buf);
1365: }
1.105 schwarze 1366: if ( ! flushed)
1367: rew_elem(mdoc, tok);
1.106 schwarze 1368: if (nl)
1369: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1370: }
1371:
1.107 schwarze 1372: static void
1.1 kristaps 1373: in_line_eoln(MACRO_PROT_ARGS)
1374: {
1.126 schwarze 1375: struct mdoc_node *n;
1376: struct mdoc_arg *arg;
1.1 kristaps 1377:
1.126 schwarze 1378: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1379: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1380: n = mdoc->last;
1381: if (mdoc->next == MDOC_NEXT_SIBLING)
1382: n = n->parent;
1383: if (n->tok == MDOC_Nm)
1384: rew_last(mdoc, mdoc->last->parent);
1385: }
1.53 schwarze 1386:
1.108 schwarze 1387: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.106 schwarze 1388: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.110 schwarze 1389: if (parse_rest(mdoc, tok, line, pos, buf))
1390: return;
1391: rew_elem(mdoc, tok);
1392: }
1393:
1394: /*
1395: * The simplest argument parser available: Parse the remaining
1396: * words until the end of the phrase or line and return 0
1397: * or until the next macro, call that macro, and return 1.
1398: */
1399: static int
1400: parse_rest(struct mdoc *mdoc, enum mdoct tok, int line, int *pos, char *buf)
1401: {
1402: int la;
1.1 kristaps 1403:
1404: for (;;) {
1405: la = *pos;
1.109 schwarze 1406: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.110 schwarze 1407: return(0);
1.109 schwarze 1408: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.110 schwarze 1409: return(1);
1.1 kristaps 1410: }
1.28 schwarze 1411: }
1412:
1.107 schwarze 1413: static void
1.28 schwarze 1414: ctx_synopsis(MACRO_PROT_ARGS)
1415: {
1.37 schwarze 1416:
1.107 schwarze 1417: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1418: in_line(mdoc, tok, line, ppos, pos, buf);
1419: else if (tok == MDOC_Nm)
1420: blk_full(mdoc, tok, line, ppos, pos, buf);
1421: else {
1422: assert(tok == MDOC_Vt);
1423: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1424: }
1.1 kristaps 1425: }
1426:
1.17 schwarze 1427: /*
1428: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1429: * They're unusual because they're basically free-form text until a
1430: * macro is encountered.
1431: */
1.107 schwarze 1432: static void
1.46 schwarze 1433: phrase_ta(MACRO_PROT_ARGS)
1434: {
1.123 schwarze 1435: struct mdoc_node *body, *n;
1.46 schwarze 1436:
1.78 schwarze 1437: /* Make sure we are in a column list or ignore this macro. */
1.107 schwarze 1438:
1.123 schwarze 1439: body = NULL;
1440: for (n = mdoc->last; n != NULL; n = n->parent) {
1441: if (n->flags & (MDOC_VALID | MDOC_BREAK))
1442: continue;
1443: if (n->tok == MDOC_It && n->type == MDOC_BODY)
1444: body = n;
1445: if (n->tok == MDOC_Bl)
1446: break;
1447: }
1448:
1.107 schwarze 1449: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.94 schwarze 1450: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.96 schwarze 1451: line, ppos, "Ta");
1.107 schwarze 1452: return;
1.78 schwarze 1453: }
1.46 schwarze 1454:
1.78 schwarze 1455: /* Advance to the next column. */
1.106 schwarze 1456:
1.123 schwarze 1457: rew_last(mdoc, body);
1.106 schwarze 1458: mdoc_body_alloc(mdoc, line, ppos, MDOC_It);
1.110 schwarze 1459: parse_rest(mdoc, MDOC_MAX, line, pos, buf);
1.46 schwarze 1460: }
![[BACK]](/icons/back.gif){kind=icon}
Return to mdoc_macro.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / mandoc