Annotation of mandoc/mdoc_macro.c, Revision 1.197
1.197 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.196 2015/04/29 14:48:53 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.162 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
1.8 kristaps 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: *
1.184 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.8 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.184 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.8 kristaps 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: */
1.40 kristaps 18: #include "config.h"
1.140 schwarze 19:
20: #include <sys/types.h>
1.40 kristaps 21:
1.1 kristaps 22: #include <assert.h>
23: #include <ctype.h>
24: #include <stdlib.h>
25: #include <stdio.h>
26: #include <string.h>
1.38 kristaps 27: #include <time.h>
1.1 kristaps 28:
1.184 schwarze 29: #include "mandoc.h"
30: #include "roff.h"
1.106 kristaps 31: #include "mdoc.h"
1.184 schwarze 32: #include "libmandoc.h"
1.190 schwarze 33: #include "roff_int.h"
1.1 kristaps 34: #include "libmdoc.h"
35:
1.151 schwarze 36: static void blk_full(MACRO_PROT_ARGS);
37: static void blk_exp_close(MACRO_PROT_ARGS);
38: static void blk_part_exp(MACRO_PROT_ARGS);
39: static void blk_part_imp(MACRO_PROT_ARGS);
40: static void ctx_synopsis(MACRO_PROT_ARGS);
41: static void in_line_eoln(MACRO_PROT_ARGS);
42: static void in_line_argn(MACRO_PROT_ARGS);
43: static void in_line(MACRO_PROT_ARGS);
44: static void phrase_ta(MACRO_PROT_ARGS);
1.53 kristaps 45:
1.189 schwarze 46: static void append_delims(struct roff_man *, int, int *, char *);
47: static void dword(struct roff_man *, int, int, const char *,
1.187 schwarze 48: enum mdelim, int);
1.189 schwarze 49: static int find_pending(struct roff_man *, int, int, int,
1.187 schwarze 50: struct roff_node *);
1.189 schwarze 51: static int lookup(struct roff_man *, int, int, int, const char *);
1.153 schwarze 52: static int macro_or_word(MACRO_PROT_ARGS, int);
1.189 schwarze 53: static int parse_rest(struct roff_man *, int, int, int *, char *);
1.185 schwarze 54: static int rew_alt(int);
1.189 schwarze 55: static void rew_elem(struct roff_man *, int);
56: static void rew_last(struct roff_man *, const struct roff_node *);
57: static void rew_pending(struct roff_man *,
58: const struct roff_node *);
1.1 kristaps 59:
60: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
1.123 schwarze 61: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
1.1 kristaps 62: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
63: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
64: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.123 schwarze 65: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
66: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
67: { in_line_eoln, 0 }, /* Pp */
68: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
69: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 70: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.123 schwarze 71: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 72: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.123 schwarze 73: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
74: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
75: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
76: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.1 kristaps 77: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.129 schwarze 78: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 79: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.123 schwarze 80: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
81: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
82: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 83: { in_line_eoln, 0 }, /* Ex */
1.123 schwarze 84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
85: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.123 schwarze 87: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.128 schwarze 89: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.18 kristaps 90: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.123 schwarze 91: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
92: { blk_full, MDOC_JOIN }, /* Nd */
93: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 94: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.132 schwarze 95: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 96: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
97: { in_line_eoln, 0 }, /* Rv */
1.123 schwarze 98: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 99: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.123 schwarze 100: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.42 kristaps 101: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.123 schwarze 102: { in_line_eoln, MDOC_JOIN }, /* %A */
103: { in_line_eoln, MDOC_JOIN }, /* %B */
104: { in_line_eoln, MDOC_JOIN }, /* %D */
105: { in_line_eoln, MDOC_JOIN }, /* %I */
106: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 107: { in_line_eoln, 0 }, /* %N */
1.123 schwarze 108: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 109: { in_line_eoln, 0 }, /* %P */
1.123 schwarze 110: { in_line_eoln, MDOC_JOIN }, /* %R */
111: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 112: { in_line_eoln, 0 }, /* %V */
1.123 schwarze 113: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
114: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
115: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
116: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
117: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 118: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.123 schwarze 119: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
120: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
121: { blk_full, MDOC_EXPLICIT }, /* Bf */
122: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
123: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
124: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 125: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
126: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
127: { in_line_eoln, 0 }, /* Db */
1.123 schwarze 128: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
129: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
130: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
131: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
132: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
133: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
134: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
135: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 136: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
137: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.11 kristaps 138: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.144 schwarze 139: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.123 schwarze 140: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
141: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 142: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
143: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.123 schwarze 144: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
145: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.52 kristaps 146: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.123 schwarze 147: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
148: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
149: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
150: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
151: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
152: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
153: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
154: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
155: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
156: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 157: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.123 schwarze 158: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
159: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
160: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
161: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
162: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.147 schwarze 163: { in_line_argn, 0 }, /* Sm */
1.123 schwarze 164: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
165: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 166: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.123 schwarze 167: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 168: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
169: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.123 schwarze 170: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
171: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
172: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
173: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
174: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
175: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
176: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 177: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.123 schwarze 178: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 179: { in_line_eoln, 0 }, /* Bt */
180: { in_line_eoln, 0 }, /* Hf */
1.132 schwarze 181: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 182: { in_line_eoln, 0 }, /* Ud */
1.69 kristaps 183: { in_line, 0 }, /* Lb */
1.123 schwarze 184: { in_line_eoln, 0 }, /* Lp */
185: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
186: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
187: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
188: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
189: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
190: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
191: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
192: { in_line_eoln, MDOC_JOIN }, /* %C */
1.132 schwarze 193: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
194: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 195: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.123 schwarze 196: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.20 kristaps 197: { in_line_eoln, 0 }, /* br */
198: { in_line_eoln, 0 }, /* sp */
1.37 kristaps 199: { in_line_eoln, 0 }, /* %U */
1.123 schwarze 200: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.143 schwarze 201: { in_line_eoln, MDOC_PROLOGUE }, /* ll */
1.1 kristaps 202: };
203:
204: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
205:
206:
207: /*
208: * This is called at the end of parsing. It must traverse up the tree,
209: * closing out open [implicit] scopes. Obviously, open explicit scopes
210: * are errors.
211: */
1.151 schwarze 212: void
1.195 schwarze 213: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 214: {
1.185 schwarze 215: struct roff_node *n;
1.1 kristaps 216:
217: /* Scan for open explicit scopes. */
218:
1.151 schwarze 219: n = mdoc->last->flags & MDOC_VALID ?
1.131 schwarze 220: mdoc->last->parent : mdoc->last;
1.1 kristaps 221:
1.94 schwarze 222: for ( ; n; n = n->parent)
1.184 schwarze 223: if (n->type == ROFFT_BLOCK &&
1.151 schwarze 224: mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
1.137 schwarze 225: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
226: n->line, n->pos, mdoc_macronames[n->tok]);
1.1 kristaps 227:
1.32 kristaps 228: /* Rewind to the first. */
229:
1.149 schwarze 230: rew_last(mdoc, mdoc->first);
1.1 kristaps 231: }
232:
1.32 kristaps 233: /*
1.153 schwarze 234: * Look up the macro at *p called by "from",
1.191 schwarze 235: * or as a line macro if from == TOKEN_NONE.
1.32 kristaps 236: */
1.185 schwarze 237: static int
1.189 schwarze 238: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.28 kristaps 239: {
1.185 schwarze 240: int res;
1.1 kristaps 241:
1.191 schwarze 242: if (from == TOKEN_NONE || mdoc_macros[from].flags & MDOC_PARSED) {
1.153 schwarze 243: res = mdoc_hash_find(p);
1.191 schwarze 244: if (res != TOKEN_NONE) {
1.155 schwarze 245: if (mdoc_macros[res].flags & MDOC_CALLABLE)
246: return(res);
247: if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll)
248: mandoc_msg(MANDOCERR_MACRO_CALL,
249: mdoc->parse, line, ppos, p);
250: }
1.153 schwarze 251: }
1.191 schwarze 252: return(TOKEN_NONE);
1.1 kristaps 253: }
254:
1.166 schwarze 255: /*
256: * Rewind up to and including a specific node.
257: */
1.149 schwarze 258: static void
1.189 schwarze 259: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 260: {
1.185 schwarze 261: struct roff_node *n, *np;
1.1 kristaps 262:
1.186 schwarze 263: if (to->flags & MDOC_VALID)
264: return;
265:
1.189 schwarze 266: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 267: while (mdoc->last != to) {
1.100 kristaps 268: /*
269: * Save the parent here, because we may delete the
1.119 schwarze 270: * mdoc->last node in the post-validation phase and reset
271: * it to mdoc->last->parent, causing a step in the closing
1.100 kristaps 272: * out to be lost.
273: */
274: np = mdoc->last->parent;
1.149 schwarze 275: mdoc_valid_post(mdoc);
1.99 kristaps 276: n = mdoc->last;
1.100 kristaps 277: mdoc->last = np;
1.1 kristaps 278: assert(mdoc->last);
1.99 kristaps 279: mdoc->last->last = n;
1.1 kristaps 280: }
1.149 schwarze 281: mdoc_valid_post(mdoc);
1.1 kristaps 282: }
283:
1.32 kristaps 284: /*
1.166 schwarze 285: * Rewind up to a specific block, including all blocks that broke it.
286: */
287: static void
1.189 schwarze 288: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.166 schwarze 289: {
290:
1.183 schwarze 291: for (;;) {
292: rew_last(mdoc, n);
293:
1.194 schwarze 294: if (mdoc->last == n) {
295: switch (n->type) {
296: case ROFFT_HEAD:
297: roff_body_alloc(mdoc, n->line, n->pos,
298: n->tok);
299: return;
300: case ROFFT_BLOCK:
301: break;
302: default:
303: return;
304: }
305: if ( ! (n->flags & MDOC_BROKEN))
306: return;
307: } else
308: n = mdoc->last;
1.166 schwarze 309:
1.183 schwarze 310: for (;;) {
311: if ((n = n->parent) == NULL)
312: return;
313:
1.184 schwarze 314: if (n->type == ROFFT_BLOCK ||
315: n->type == ROFFT_HEAD) {
1.183 schwarze 316: if (n->flags & MDOC_ENDED)
317: break;
318: else
319: return;
320: }
321: }
1.166 schwarze 322: }
323: }
324:
325: /*
1.84 schwarze 326: * For a block closing macro, return the corresponding opening one.
327: * Otherwise, return the macro itself.
1.32 kristaps 328: */
1.185 schwarze 329: static int
330: rew_alt(int tok)
1.1 kristaps 331: {
332: switch (tok) {
1.131 schwarze 333: case MDOC_Ac:
1.1 kristaps 334: return(MDOC_Ao);
1.131 schwarze 335: case MDOC_Bc:
1.1 kristaps 336: return(MDOC_Bo);
1.131 schwarze 337: case MDOC_Brc:
1.1 kristaps 338: return(MDOC_Bro);
1.131 schwarze 339: case MDOC_Dc:
1.1 kristaps 340: return(MDOC_Do);
1.131 schwarze 341: case MDOC_Ec:
1.1 kristaps 342: return(MDOC_Eo);
1.131 schwarze 343: case MDOC_Ed:
1.1 kristaps 344: return(MDOC_Bd);
1.131 schwarze 345: case MDOC_Ef:
1.1 kristaps 346: return(MDOC_Bf);
1.131 schwarze 347: case MDOC_Ek:
1.1 kristaps 348: return(MDOC_Bk);
1.131 schwarze 349: case MDOC_El:
1.1 kristaps 350: return(MDOC_Bl);
1.131 schwarze 351: case MDOC_Fc:
1.1 kristaps 352: return(MDOC_Fo);
1.131 schwarze 353: case MDOC_Oc:
1.1 kristaps 354: return(MDOC_Oo);
1.131 schwarze 355: case MDOC_Pc:
1.1 kristaps 356: return(MDOC_Po);
1.131 schwarze 357: case MDOC_Qc:
1.1 kristaps 358: return(MDOC_Qo);
1.131 schwarze 359: case MDOC_Re:
1.1 kristaps 360: return(MDOC_Rs);
1.131 schwarze 361: case MDOC_Sc:
1.1 kristaps 362: return(MDOC_So);
1.131 schwarze 363: case MDOC_Xc:
1.1 kristaps 364: return(MDOC_Xo);
365: default:
1.84 schwarze 366: return(tok);
1.1 kristaps 367: }
368: /* NOTREACHED */
369: }
370:
1.149 schwarze 371: static void
1.189 schwarze 372: rew_elem(struct roff_man *mdoc, int tok)
1.1 kristaps 373: {
1.185 schwarze 374: struct roff_node *n;
1.1 kristaps 375:
376: n = mdoc->last;
1.184 schwarze 377: if (n->type != ROFFT_ELEM)
1.1 kristaps 378: n = n->parent;
1.184 schwarze 379: assert(n->type == ROFFT_ELEM);
1.1 kristaps 380: assert(tok == n->tok);
1.149 schwarze 381: rew_last(mdoc, n);
1.1 kristaps 382: }
383:
1.83 schwarze 384: /*
1.187 schwarze 385: * If there is an open sub-block of the target requiring
386: * explicit close-out, postpone closing out the target until
387: * the rew_pending() call closing out the sub-block.
388: */
389: static int
1.189 schwarze 390: find_pending(struct roff_man *mdoc, int tok, int line, int ppos,
1.187 schwarze 391: struct roff_node *target)
392: {
393: struct roff_node *n;
394: int irc;
395:
396: irc = 0;
397: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
398: if (n->flags & MDOC_ENDED) {
399: if ( ! (n->flags & MDOC_VALID))
400: n->flags |= MDOC_BROKEN;
401: continue;
402: }
403: if (n->type == ROFFT_BLOCK &&
404: mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
405: irc = 1;
406: n->flags = MDOC_BROKEN;
407: if (target->type == ROFFT_HEAD)
408: target->flags = MDOC_ENDED;
409: else if ( ! (target->flags & MDOC_ENDED)) {
410: mandoc_vmsg(MANDOCERR_BLK_NEST,
411: mdoc->parse, line, ppos,
412: "%s breaks %s", mdoc_macronames[tok],
413: mdoc_macronames[n->tok]);
414: mdoc_endbody_alloc(mdoc, line, ppos,
415: tok, target, ENDBODY_NOSPACE);
416: }
417: }
418: }
419: return(irc);
420: }
421:
422: /*
1.105 kristaps 423: * Allocate a word and check whether it's punctuation or not.
424: * Punctuation consists of those tokens found in mdoc_isdelim().
425: */
1.150 schwarze 426: static void
1.189 schwarze 427: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 428: enum mdelim d, int may_append)
1.105 kristaps 429: {
1.131 schwarze 430:
1.150 schwarze 431: if (d == DELIM_MAX)
1.105 kristaps 432: d = mdoc_isdelim(p);
433:
1.123 schwarze 434: if (may_append &&
1.150 schwarze 435: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 436: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 437: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 438: roff_word_append(mdoc, p);
1.150 schwarze 439: return;
1.123 schwarze 440: }
441:
1.192 schwarze 442: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 443:
1.108 schwarze 444: /*
1.144 schwarze 445: * If the word consists of a bare delimiter,
446: * flag the new node accordingly,
447: * unless doing so was vetoed by the invoking macro.
448: * Always clear the veto, it is only valid for one word.
1.108 schwarze 449: */
450:
1.144 schwarze 451: if (d == DELIM_OPEN)
452: mdoc->last->flags |= MDOC_DELIMO;
453: else if (d == DELIM_CLOSE &&
454: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 455: mdoc->last->parent->tok != MDOC_Fd)
1.119 schwarze 456: mdoc->last->flags |= MDOC_DELIMC;
1.144 schwarze 457: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 458: }
1.1 kristaps 459:
1.150 schwarze 460: static void
1.189 schwarze 461: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 462: {
1.153 schwarze 463: char *p;
1.66 kristaps 464: int la;
1.1 kristaps 465:
1.150 schwarze 466: if (buf[*pos] == '\0')
467: return;
1.1 kristaps 468:
469: for (;;) {
1.66 kristaps 470: la = *pos;
1.191 schwarze 471: if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
472: ARGS_EOLN)
1.1 kristaps 473: break;
1.123 schwarze 474: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 475:
476: /*
477: * If we encounter end-of-sentence symbols, then trigger
478: * the double-space.
479: *
1.109 kristaps 480: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 481: * the last symbol, such that `. )' will cause the
482: * correct double-spacing. However, (1) groff isn't
483: * smart enough to do this and (2) it would require
484: * knowing which symbols break this behaviour, for
1.109 kristaps 485: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 486: */
1.150 schwarze 487:
1.127 schwarze 488: if (mandoc_eos(p, strlen(p)))
1.119 schwarze 489: mdoc->last->flags |= MDOC_EOS;
1.1 kristaps 490: }
491: }
492:
493: /*
1.153 schwarze 494: * Parse one word.
495: * If it is a macro, call it and return 1.
496: * Otherwise, allocate it and return 0.
497: */
498: static int
499: macro_or_word(MACRO_PROT_ARGS, int parsed)
500: {
501: char *p;
1.185 schwarze 502: int ntok;
1.153 schwarze 503:
504: p = buf + ppos;
1.191 schwarze 505: ntok = TOKEN_NONE;
1.157 schwarze 506: if (*p == '"')
1.153 schwarze 507: p++;
1.157 schwarze 508: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.155 schwarze 509: ntok = lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 510:
1.191 schwarze 511: if (ntok == TOKEN_NONE) {
512: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.153 schwarze 513: mdoc_macros[tok].flags & MDOC_JOIN);
514: return(0);
515: } else {
516: if (mdoc_macros[tok].fp == in_line_eoln)
517: rew_elem(mdoc, tok);
518: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 519: if (tok == TOKEN_NONE)
1.153 schwarze 520: append_delims(mdoc, line, pos, buf);
521: return(1);
522: }
523: }
524:
525: /*
1.131 schwarze 526: * Close out block partial/full explicit.
1.1 kristaps 527: */
1.151 schwarze 528: static void
1.1 kristaps 529: blk_exp_close(MACRO_PROT_ARGS)
530: {
1.185 schwarze 531: struct roff_node *body; /* Our own body. */
532: struct roff_node *endbody; /* Our own end marker. */
533: struct roff_node *itblk; /* An It block starting later. */
534: struct roff_node *later; /* A sub-block starting later. */
535: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 536: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 537:
1.188 schwarze 538: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 539: enum margserr ac;
1.185 schwarze 540: int atok, ntok;
1.1 kristaps 541: char *p;
542:
1.119 schwarze 543: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 544:
1.1 kristaps 545: switch (tok) {
1.131 schwarze 546: case MDOC_Ec:
1.1 kristaps 547: maxargs = 1;
548: break;
1.131 schwarze 549: case MDOC_Ek:
1.125 schwarze 550: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 551: /* FALLTHROUGH */
1.1 kristaps 552: default:
553: maxargs = 0;
554: break;
555: }
556:
1.83 schwarze 557: /*
558: * Search backwards for beginnings of blocks,
559: * both of our own and of pending sub-blocks.
560: */
1.151 schwarze 561:
1.83 schwarze 562: atok = rew_alt(tok);
1.171 schwarze 563: body = endbody = itblk = later = NULL;
1.119 schwarze 564: for (n = mdoc->last; n; n = n->parent) {
1.183 schwarze 565: if (n->flags & MDOC_ENDED) {
566: if ( ! (n->flags & MDOC_VALID))
567: n->flags |= MDOC_BROKEN;
1.83 schwarze 568: continue;
1.183 schwarze 569: }
1.83 schwarze 570:
571: /* Remember the start of our own body. */
1.151 schwarze 572:
1.184 schwarze 573: if (n->type == ROFFT_BODY && atok == n->tok) {
1.175 schwarze 574: if (n->end == ENDBODY_NOT)
1.83 schwarze 575: body = n;
576: continue;
577: }
578:
1.184 schwarze 579: if (n->type != ROFFT_BLOCK || n->tok == MDOC_Nm)
1.83 schwarze 580: continue;
1.160 schwarze 581:
582: if (n->tok == MDOC_It) {
1.171 schwarze 583: itblk = n;
1.160 schwarze 584: continue;
585: }
586:
1.83 schwarze 587: if (atok == n->tok) {
588: assert(body);
589:
590: /*
591: * Found the start of our own block.
592: * When there is no pending sub block,
593: * just proceed to closing out.
594: */
1.151 schwarze 595:
1.160 schwarze 596: if (later == NULL ||
1.171 schwarze 597: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 598: break;
599:
1.131 schwarze 600: /*
1.167 schwarze 601: * When there is a pending sub block, postpone
602: * closing out the current block until the
603: * rew_pending() closing out the sub-block.
1.83 schwarze 604: * Mark the place where the formatting - but not
605: * the scope - of the current block ends.
606: */
1.151 schwarze 607:
1.183 schwarze 608: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
609: line, ppos, "%s breaks %s",
610: mdoc_macronames[atok],
611: mdoc_macronames[later->tok]);
612:
1.166 schwarze 613: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.150 schwarze 614: atok, body, ENDBODY_SPACE);
1.151 schwarze 615:
1.183 schwarze 616: if (tok == MDOC_El)
617: itblk->flags |= MDOC_ENDED | MDOC_BROKEN;
618:
1.151 schwarze 619: /*
620: * If a block closing macro taking arguments
621: * breaks another block, put the arguments
1.166 schwarze 622: * into the end marker.
1.151 schwarze 623: */
624:
1.166 schwarze 625: if (maxargs)
1.189 schwarze 626: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 627: break;
1.182 schwarze 628: }
629:
630: /* Explicit blocks close out description lines. */
631:
632: if (n->tok == MDOC_Nd) {
633: rew_last(mdoc, n);
634: continue;
1.83 schwarze 635: }
636:
1.183 schwarze 637: /* Breaking an open sub block. */
1.151 schwarze 638:
1.183 schwarze 639: n->flags |= MDOC_BROKEN;
640: if (later == NULL)
1.83 schwarze 641: later = n;
642: }
1.166 schwarze 643:
644: if (body == NULL) {
645: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
646: line, ppos, mdoc_macronames[tok]);
1.196 schwarze 647: if (later != NULL)
648: later->flags &= ~MDOC_BROKEN;
1.166 schwarze 649: if (maxargs && endbody == NULL) {
650: /*
651: * Stray .Ec without previous .Eo:
652: * Break the output line, keep the arguments.
653: */
1.193 schwarze 654: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.166 schwarze 655: rew_elem(mdoc, MDOC_br);
656: }
657: } else if (endbody == NULL) {
658: rew_last(mdoc, body);
659: if (maxargs)
660: mdoc_tail_alloc(mdoc, line, ppos, atok);
661: }
1.83 schwarze 662:
1.150 schwarze 663: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
664: if (buf[*pos] != '\0')
1.136 schwarze 665: mandoc_vmsg(MANDOCERR_ARG_SKIP,
666: mdoc->parse, line, ppos,
667: "%s %s", mdoc_macronames[tok],
668: buf + *pos);
1.171 schwarze 669: if (endbody == NULL && n != NULL)
1.167 schwarze 670: rew_pending(mdoc, n);
1.151 schwarze 671: return;
1.1 kristaps 672: }
673:
1.166 schwarze 674: if (endbody != NULL)
675: n = endbody;
1.197 ! schwarze 676:
! 677: ntok = TOKEN_NONE;
1.148 schwarze 678: for (j = 0; ; j++) {
1.1 kristaps 679: lastarg = *pos;
680:
1.186 schwarze 681: if (j == maxargs && n != NULL)
682: rew_last(mdoc, n);
1.1 kristaps 683:
1.119 schwarze 684: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 685: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 686: break;
687:
1.191 schwarze 688: ntok = ac == ARGS_QWORD ? TOKEN_NONE :
1.155 schwarze 689: lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 690:
1.191 schwarze 691: if (ntok == TOKEN_NONE) {
1.150 schwarze 692: dword(mdoc, line, lastarg, p, DELIM_MAX,
693: MDOC_JOIN & mdoc_macros[tok].flags);
1.54 kristaps 694: continue;
695: }
1.1 kristaps 696:
1.186 schwarze 697: if (n != NULL)
698: rew_last(mdoc, n);
1.122 schwarze 699: mdoc->flags &= ~MDOC_NEWLINE;
1.151 schwarze 700: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 701: break;
1.1 kristaps 702: }
703:
1.188 schwarze 704: if (n != NULL) {
1.197 ! schwarze 705: if (ntok != TOKEN_NONE && n->flags & MDOC_BROKEN) {
1.188 schwarze 706: target = n;
707: do
708: target = target->parent;
709: while ( ! (target->flags & MDOC_ENDED));
710: pending = find_pending(mdoc, ntok, line, ppos,
711: target);
712: } else
713: pending = 0;
714: if ( ! pending)
715: rew_pending(mdoc, n);
716: }
1.150 schwarze 717: if (nl)
718: append_delims(mdoc, line, pos, buf);
1.1 kristaps 719: }
720:
1.151 schwarze 721: static void
1.1 kristaps 722: in_line(MACRO_PROT_ARGS)
723: {
1.144 schwarze 724: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.185 schwarze 725: int ntok;
1.55 kristaps 726: enum margserr ac;
1.67 schwarze 727: enum mdelim d;
1.53 kristaps 728: struct mdoc_arg *arg;
729: char *p;
1.1 kristaps 730:
1.119 schwarze 731: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 732:
1.4 kristaps 733: /*
734: * Whether we allow ignored elements (those without content,
735: * usually because of reserved words) to squeak by.
736: */
1.45 kristaps 737:
1.4 kristaps 738: switch (tok) {
1.131 schwarze 739: case MDOC_An:
1.26 kristaps 740: /* FALLTHROUGH */
1.131 schwarze 741: case MDOC_Ar:
1.4 kristaps 742: /* FALLTHROUGH */
1.131 schwarze 743: case MDOC_Fl:
1.4 kristaps 744: /* FALLTHROUGH */
1.131 schwarze 745: case MDOC_Mt:
1.12 kristaps 746: /* FALLTHROUGH */
1.131 schwarze 747: case MDOC_Nm:
1.26 kristaps 748: /* FALLTHROUGH */
1.131 schwarze 749: case MDOC_Pa:
1.4 kristaps 750: nc = 1;
751: break;
752: default:
753: nc = 0;
754: break;
755: }
756:
1.152 schwarze 757: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 758:
1.144 schwarze 759: d = DELIM_NONE;
760: firstarg = 1;
1.142 schwarze 761: mayopen = 1;
1.70 kristaps 762: for (cnt = scope = 0;; ) {
1.1 kristaps 763: la = *pos;
1.119 schwarze 764: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 765:
1.144 schwarze 766: /*
767: * At the end of a macro line,
768: * opening delimiters do not suppress spacing.
769: */
770:
771: if (ac == ARGS_EOLN) {
772: if (d == DELIM_OPEN)
773: mdoc->last->flags &= ~MDOC_DELIMO;
1.1 kristaps 774: break;
1.144 schwarze 775: }
776:
777: /*
778: * The rest of the macro line is only punctuation,
779: * to be handled by append_delims().
780: * If there were no other arguments,
781: * do not allow the first one to suppress spacing,
782: * even if it turns out to be a closing one.
783: */
784:
785: if (ac == ARGS_PUNCT) {
1.176 schwarze 786: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 787: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 788: break;
1.144 schwarze 789: }
1.1 kristaps 790:
1.145 schwarze 791: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.191 schwarze 792: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 793:
1.131 schwarze 794: /*
1.4 kristaps 795: * In this case, we've located a submacro and must
796: * execute it. Close out scope, if open. If no
797: * elements have been generated, either create one (nc)
798: * or raise a warning.
799: */
1.1 kristaps 800:
1.191 schwarze 801: if (ntok != TOKEN_NONE) {
1.149 schwarze 802: if (scope)
803: rew_elem(mdoc, tok);
1.150 schwarze 804: if (nc && ! cnt) {
805: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 806: rew_last(mdoc, mdoc->last);
1.150 schwarze 807: } else if ( ! nc && ! cnt) {
1.7 kristaps 808: mdoc_argv_free(arg);
1.135 schwarze 809: mandoc_msg(MANDOCERR_MACRO_EMPTY,
810: mdoc->parse, line, ppos,
811: mdoc_macronames[tok]);
1.7 kristaps 812: }
1.151 schwarze 813: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.150 schwarze 814: if (nl)
815: append_delims(mdoc, line, pos, buf);
1.151 schwarze 816: return;
1.131 schwarze 817: }
1.1 kristaps 818:
1.131 schwarze 819: /*
1.4 kristaps 820: * Non-quote-enclosed punctuation. Set up our scope, if
821: * a word; rewind the scope, if a delimiter; then append
1.131 schwarze 822: * the word.
1.4 kristaps 823: */
1.1 kristaps 824:
1.150 schwarze 825: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.3 kristaps 826:
1.70 kristaps 827: if (DELIM_NONE != d) {
828: /*
829: * If we encounter closing punctuation, no word
1.144 schwarze 830: * has been emitted, no scope is open, and we're
1.70 kristaps 831: * allowed to have an empty element, then start
1.142 schwarze 832: * a new scope.
1.70 kristaps 833: */
1.142 schwarze 834: if ((d == DELIM_CLOSE ||
835: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 836: !cnt && !scope && nc && mayopen) {
1.150 schwarze 837: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 838: scope = 1;
1.142 schwarze 839: cnt++;
1.150 schwarze 840: if (tok == MDOC_Nm)
1.142 schwarze 841: mayopen = 0;
1.70 kristaps 842: }
843: /*
844: * Close out our scope, if one is open, before
845: * any punctuation.
846: */
1.149 schwarze 847: if (scope)
848: rew_elem(mdoc, tok);
1.70 kristaps 849: scope = 0;
1.145 schwarze 850: if (tok == MDOC_Fn)
851: mayopen = 0;
1.142 schwarze 852: } else if (mayopen && !scope) {
1.150 schwarze 853: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 854: scope = 1;
1.142 schwarze 855: cnt++;
1.1 kristaps 856: }
1.105 kristaps 857:
1.150 schwarze 858: dword(mdoc, line, la, p, d,
859: MDOC_JOIN & mdoc_macros[tok].flags);
1.39 kristaps 860:
861: /*
1.144 schwarze 862: * If the first argument is a closing delimiter,
863: * do not suppress spacing before it.
864: */
865:
866: if (firstarg && d == DELIM_CLOSE && !nc)
867: mdoc->last->flags &= ~MDOC_DELIMC;
868: firstarg = 0;
869:
870: /*
1.39 kristaps 871: * `Fl' macros have their scope re-opened with each new
872: * word so that the `-' can be added to each one without
873: * having to parse out spaces.
874: */
1.150 schwarze 875: if (scope && tok == MDOC_Fl) {
1.149 schwarze 876: rew_elem(mdoc, tok);
1.70 kristaps 877: scope = 0;
1.39 kristaps 878: }
1.1 kristaps 879: }
880:
1.149 schwarze 881: if (scope)
882: rew_elem(mdoc, tok);
1.4 kristaps 883:
884: /*
885: * If no elements have been collected and we're allowed to have
886: * empties (nc), open a scope and close it out. Otherwise,
887: * raise a warning.
888: */
1.45 kristaps 889:
1.150 schwarze 890: if ( ! cnt) {
891: if (nc) {
892: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
893: rew_last(mdoc, mdoc->last);
894: } else {
895: mdoc_argv_free(arg);
896: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
897: line, ppos, mdoc_macronames[tok]);
898: }
1.7 kristaps 899: }
1.150 schwarze 900: if (nl)
901: append_delims(mdoc, line, pos, buf);
1.1 kristaps 902: }
903:
1.151 schwarze 904: static void
1.1 kristaps 905: blk_full(MACRO_PROT_ARGS)
906: {
1.153 schwarze 907: int la, nl, parsed;
1.1 kristaps 908: struct mdoc_arg *arg;
1.185 schwarze 909: struct roff_node *blk; /* Our own or a broken block. */
910: struct roff_node *head; /* Our own head. */
911: struct roff_node *body; /* Our own body. */
912: struct roff_node *n;
1.59 kristaps 913: enum margserr ac, lac;
1.1 kristaps 914: char *p;
915:
1.119 schwarze 916: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 917:
1.177 schwarze 918: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
919: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
920: line, ppos, mdoc_macronames[tok]);
921: return;
922: }
923:
1.171 schwarze 924: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
925:
926: /* Here, tok is one of Sh Ss Nm Nd It. */
927:
928: blk = NULL;
929: for (n = mdoc->last; n != NULL; n = n->parent) {
1.183 schwarze 930: if (n->flags & MDOC_ENDED) {
931: if ( ! (n->flags & MDOC_VALID))
932: n->flags |= MDOC_BROKEN;
933: continue;
934: }
1.184 schwarze 935: if (n->type != ROFFT_BLOCK)
1.171 schwarze 936: continue;
1.183 schwarze 937:
1.171 schwarze 938: if (tok == MDOC_It && n->tok == MDOC_Bl) {
939: if (blk != NULL) {
940: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
941: mdoc->parse, line, ppos,
942: "It breaks %s",
943: mdoc_macronames[blk->tok]);
944: rew_pending(mdoc, blk);
945: }
946: break;
947: }
948:
949: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
950: switch (tok) {
951: case MDOC_Sh:
952: /* FALLTHROUGH */
953: case MDOC_Ss:
954: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
955: mdoc->parse, line, ppos,
956: "%s breaks %s",
957: mdoc_macronames[tok],
958: mdoc_macronames[n->tok]);
959: rew_pending(mdoc, n);
1.180 schwarze 960: n = mdoc->last;
1.171 schwarze 961: continue;
962: case MDOC_It:
963: /* Delay in case it's astray. */
964: blk = n;
965: continue;
966: default:
967: break;
968: }
969: break;
970: }
971:
972: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 973:
1.171 schwarze 974: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
975: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
976: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 977: break;
1.171 schwarze 978:
979: /* Item breaking an explicit block. */
980:
981: if (blk != NULL) {
982: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
983: mdoc->parse, line, ppos,
984: "It breaks %s",
985: mdoc_macronames[blk->tok]);
986: rew_pending(mdoc, blk);
1.172 schwarze 987: blk = NULL;
1.171 schwarze 988: }
989:
990: /* Close out prior implicit scopes. */
991:
992: rew_last(mdoc, n);
993: }
994:
995: /* Skip items outside lists. */
996:
997: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.138 schwarze 998: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
999: line, ppos, "It %s", buf + *pos);
1.193 schwarze 1000: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.149 schwarze 1001: rew_elem(mdoc, MDOC_br);
1.151 schwarze 1002: return;
1.138 schwarze 1003: }
1.1 kristaps 1004: }
1005:
1.45 kristaps 1006: /*
1.109 kristaps 1007: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1008: * macro openings. Implicit ones first close out prior scope
1009: * (seen above). Delay opening the head until necessary to
1010: * allow leading punctuation to print. Special consideration
1011: * for `It -column', which has phrase-part syntax instead of
1012: * regular child nodes.
1013: */
1014:
1.152 schwarze 1015: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1016: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1017: head = body = NULL;
1.115 schwarze 1018:
1019: /*
1020: * Exception: Heads of `It' macros in `-diag' lists are not
1021: * parsed, even though `It' macros in general are parsed.
1022: */
1.151 schwarze 1023:
1.153 schwarze 1024: parsed = tok != MDOC_It ||
1025: mdoc->last->parent->tok != MDOC_Bl ||
1026: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1027:
1.45 kristaps 1028: /*
1029: * The `Nd' macro has all arguments in its body: it's a hybrid
1030: * of block partial-explicit and full-implicit. Stupid.
1031: */
1.19 kristaps 1032:
1.150 schwarze 1033: if (tok == MDOC_Nd) {
1.190 schwarze 1034: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1035: rew_last(mdoc, head);
1.190 schwarze 1036: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1037: }
1038:
1.150 schwarze 1039: if (tok == MDOC_Bk)
1.123 schwarze 1040: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1041:
1.150 schwarze 1042: ac = ARGS_PEND;
1043: for (;;) {
1.45 kristaps 1044: la = *pos;
1.150 schwarze 1045: lac = ac;
1.119 schwarze 1046: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1047: if (ac == ARGS_EOLN) {
1048: if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
1.75 kristaps 1049: break;
1050: /*
1051: * This is necessary: if the last token on a
1052: * line is a `Ta' or tab, then we'll get
1053: * ARGS_EOLN, so we must be smart enough to
1054: * reopen our scope if the last parse was a
1055: * phrase or partial phrase.
1056: */
1.167 schwarze 1057: if (body != NULL)
1058: rew_last(mdoc, body);
1.190 schwarze 1059: body = roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1060: break;
1.75 kristaps 1061: }
1.174 schwarze 1062: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1063: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1064: mdoc->parse, line, la, "%s ... %s",
1065: mdoc_macronames[tok], buf + la);
1066: break;
1067: }
1.173 schwarze 1068: if (tok == MDOC_Rs) {
1069: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1070: line, la, "Rs %s", buf + la);
1071: break;
1072: }
1073: if (ac == ARGS_PUNCT)
1074: break;
1.45 kristaps 1075:
1.131 schwarze 1076: /*
1.73 kristaps 1077: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1078: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1079: */
1.45 kristaps 1080:
1.150 schwarze 1081: if (head == NULL &&
1082: ac != ARGS_PEND &&
1083: ac != ARGS_PHRASE &&
1084: ac != ARGS_PPHRASE &&
1085: ac != ARGS_QWORD &&
1086: mdoc_isdelim(p) == DELIM_OPEN) {
1087: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1088: continue;
1089: }
1090:
1.74 kristaps 1091: /* Open a head if one hasn't been opened. */
1.45 kristaps 1092:
1.150 schwarze 1093: if (head == NULL)
1.190 schwarze 1094: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1095:
1.150 schwarze 1096: if (ac == ARGS_PHRASE ||
1097: ac == ARGS_PEND ||
1098: ac == ARGS_PPHRASE) {
1.151 schwarze 1099:
1.73 kristaps 1100: /*
1.74 kristaps 1101: * If we haven't opened a body yet, rewind the
1102: * head; if we have, rewind that instead.
1103: */
1104:
1.167 schwarze 1105: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1106: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1107:
1108: /*
1.73 kristaps 1109: * Process phrases: set whether we're in a
1110: * partial-phrase (this effects line handling)
1111: * then call down into the phrase parser.
1112: */
1.74 kristaps 1113:
1.150 schwarze 1114: if (ac == ARGS_PPHRASE)
1.119 schwarze 1115: mdoc->flags |= MDOC_PPHRASE;
1.150 schwarze 1116: if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
1.119 schwarze 1117: mdoc->flags |= MDOC_PPHRASE;
1.191 schwarze 1118: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.119 schwarze 1119: mdoc->flags &= ~MDOC_PPHRASE;
1.1 kristaps 1120: continue;
1121: }
1122:
1.153 schwarze 1123: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1124: break;
1.45 kristaps 1125: }
1.1 kristaps 1126:
1.165 schwarze 1127: if (blk->flags & MDOC_VALID)
1128: return;
1.150 schwarze 1129: if (head == NULL)
1.190 schwarze 1130: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1131: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1132: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1133: if (body != NULL)
1.77 kristaps 1134: goto out;
1.187 schwarze 1135: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1136: return;
1.47 kristaps 1137:
1.45 kristaps 1138: /* Close out scopes to remain in a consistent state. */
1139:
1.167 schwarze 1140: rew_last(mdoc, head);
1.190 schwarze 1141: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1142: out:
1.150 schwarze 1143: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1144: rew_last(mdoc, body);
1145: rew_last(mdoc, blk);
1.150 schwarze 1146: mdoc->flags &= ~MDOC_FREECOL;
1147: }
1.1 kristaps 1148: }
1149:
1.151 schwarze 1150: static void
1.1 kristaps 1151: blk_part_imp(MACRO_PROT_ARGS)
1152: {
1.63 kristaps 1153: int la, nl;
1.55 kristaps 1154: enum margserr ac;
1.1 kristaps 1155: char *p;
1.185 schwarze 1156: struct roff_node *blk; /* saved block context */
1157: struct roff_node *body; /* saved body context */
1158: struct roff_node *n;
1.1 kristaps 1159:
1.119 schwarze 1160: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1161:
1.43 kristaps 1162: /*
1163: * A macro that spans to the end of the line. This is generally
1164: * (but not necessarily) called as the first macro. The block
1165: * has a head as the immediate child, which is always empty,
1166: * followed by zero or more opening punctuation nodes, then the
1167: * body (which may be empty, depending on the macro), then zero
1168: * or more closing punctuation nodes.
1169: */
1.32 kristaps 1170:
1.150 schwarze 1171: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1172: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1173:
1.43 kristaps 1174: /*
1175: * Open the body scope "on-demand", that is, after we've
1176: * processed all our the leading delimiters (open parenthesis,
1177: * etc.).
1178: */
1.1 kristaps 1179:
1.43 kristaps 1180: for (body = NULL; ; ) {
1.32 kristaps 1181: la = *pos;
1.119 schwarze 1182: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1183: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1184: break;
1185:
1.150 schwarze 1186: if (body == NULL && ac != ARGS_QWORD &&
1187: mdoc_isdelim(p) == DELIM_OPEN) {
1188: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1189: continue;
1.123 schwarze 1190: }
1.1 kristaps 1191:
1.150 schwarze 1192: if (body == NULL)
1.190 schwarze 1193: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1194:
1.153 schwarze 1195: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1196: break;
1.1 kristaps 1197: }
1.150 schwarze 1198: if (body == NULL)
1.190 schwarze 1199: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1200:
1.187 schwarze 1201: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1202: return;
1203:
1.164 schwarze 1204: rew_last(mdoc, body);
1.150 schwarze 1205: if (nl)
1206: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1207: rew_pending(mdoc, blk);
1.117 schwarze 1208:
1209: /* Move trailing .Ns out of scope. */
1210:
1211: for (n = body->child; n && n->next; n = n->next)
1212: /* Do nothing. */ ;
1.150 schwarze 1213: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1214: mdoc_node_relink(mdoc, n);
1.1 kristaps 1215: }
1216:
1.151 schwarze 1217: static void
1.1 kristaps 1218: blk_part_exp(MACRO_PROT_ARGS)
1219: {
1.60 kristaps 1220: int la, nl;
1.55 kristaps 1221: enum margserr ac;
1.185 schwarze 1222: struct roff_node *head; /* keep track of head */
1.1 kristaps 1223: char *p;
1224:
1.119 schwarze 1225: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1226:
1.43 kristaps 1227: /*
1228: * The opening of an explicit macro having zero or more leading
1229: * punctuation nodes; a head with optional single element (the
1230: * case of `Eo'); and a body that may be empty.
1231: */
1.32 kristaps 1232:
1.193 schwarze 1233: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1234: head = NULL;
1235: for (;;) {
1.32 kristaps 1236: la = *pos;
1.119 schwarze 1237: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1238: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1239: break;
1.43 kristaps 1240:
1241: /* Flush out leading punctuation. */
1242:
1.150 schwarze 1243: if (head == NULL && ac != ARGS_QWORD &&
1244: mdoc_isdelim(p) == DELIM_OPEN) {
1245: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1246: continue;
1.123 schwarze 1247: }
1.43 kristaps 1248:
1.150 schwarze 1249: if (head == NULL) {
1.190 schwarze 1250: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1251: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1252: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1253: rew_last(mdoc, head);
1.190 schwarze 1254: roff_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1255: if (tok == MDOC_Eo)
1.43 kristaps 1256: continue;
1.1 kristaps 1257: }
1.43 kristaps 1258:
1.153 schwarze 1259: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1260: break;
1.1 kristaps 1261: }
1262:
1.43 kristaps 1263: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1264:
1.163 schwarze 1265: if (head == NULL) {
1.190 schwarze 1266: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1267: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1268: }
1.150 schwarze 1269: if (nl)
1270: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1271: }
1272:
1.151 schwarze 1273: static void
1.1 kristaps 1274: in_line_argn(MACRO_PROT_ARGS)
1275: {
1.53 kristaps 1276: struct mdoc_arg *arg;
1277: char *p;
1.181 schwarze 1278: enum margserr ac;
1.185 schwarze 1279: int ntok;
1.181 schwarze 1280: int state; /* arg#; -1: not yet open; -2: closed */
1281: int la, maxargs, nl;
1.1 kristaps 1282:
1.156 schwarze 1283: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1284:
1.46 kristaps 1285: /*
1286: * A line macro that has a fixed number of arguments (maxargs).
1287: * Only open the scope once the first non-leading-punctuation is
1288: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1289: * keep it open until the maximum number of arguments are
1290: * exhausted.
1291: */
1.1 kristaps 1292:
1293: switch (tok) {
1.131 schwarze 1294: case MDOC_Ap:
1.1 kristaps 1295: /* FALLTHROUGH */
1.131 schwarze 1296: case MDOC_Ns:
1.1 kristaps 1297: /* FALLTHROUGH */
1.131 schwarze 1298: case MDOC_Ux:
1.1 kristaps 1299: maxargs = 0;
1300: break;
1.131 schwarze 1301: case MDOC_Bx:
1.101 kristaps 1302: /* FALLTHROUGH */
1.132 schwarze 1303: case MDOC_Es:
1304: /* FALLTHROUGH */
1.131 schwarze 1305: case MDOC_Xr:
1.42 kristaps 1306: maxargs = 2;
1307: break;
1.1 kristaps 1308: default:
1309: maxargs = 1;
1310: break;
1311: }
1312:
1.152 schwarze 1313: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1314:
1.181 schwarze 1315: state = -1;
1.156 schwarze 1316: p = NULL;
1317: for (;;) {
1.32 kristaps 1318: la = *pos;
1.119 schwarze 1319: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1320:
1321: if (ac == ARGS_WORD && state == -1 &&
1322: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1323: mdoc_isdelim(p) == DELIM_OPEN) {
1324: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1325: continue;
1326: }
1327:
1328: if (state == -1 && tok != MDOC_In &&
1329: tok != MDOC_St && tok != MDOC_Xr) {
1330: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1331: state = 0;
1332: }
1333:
1.156 schwarze 1334: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1335: if (abs(state) < 2 && tok == MDOC_Pf)
1.156 schwarze 1336: mandoc_vmsg(MANDOCERR_PF_SKIP,
1337: mdoc->parse, line, ppos, "Pf %s",
1338: p == NULL ? "at eol" : p);
1.1 kristaps 1339: break;
1.156 schwarze 1340: }
1.1 kristaps 1341:
1.181 schwarze 1342: if (state == maxargs) {
1.149 schwarze 1343: rew_elem(mdoc, tok);
1.181 schwarze 1344: state = -2;
1.46 kristaps 1345: }
1346:
1.181 schwarze 1347: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
1.191 schwarze 1348: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1349:
1.191 schwarze 1350: if (ntok != TOKEN_NONE) {
1.181 schwarze 1351: if (state >= 0) {
1.149 schwarze 1352: rew_elem(mdoc, tok);
1.181 schwarze 1353: state = -2;
1354: }
1.151 schwarze 1355: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1356: break;
1357: }
1358:
1.181 schwarze 1359: if (ac == ARGS_QWORD ||
1360: mdoc_macros[tok].flags & MDOC_IGNDELIM ||
1361: mdoc_isdelim(p) == DELIM_NONE) {
1362: if (state == -1) {
1363: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1364: state = 1;
1365: } else if (state >= 0)
1366: state++;
1367: } else if (state >= 0) {
1.149 schwarze 1368: rew_elem(mdoc, tok);
1.181 schwarze 1369: state = -2;
1.1 kristaps 1370: }
1.42 kristaps 1371:
1.150 schwarze 1372: dword(mdoc, line, la, p, DELIM_MAX,
1373: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1374: }
1375:
1.181 schwarze 1376: if (state == -1) {
1377: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1378: line, ppos, mdoc_macronames[tok]);
1379: return;
1.156 schwarze 1380: }
1.181 schwarze 1381:
1382: if (state == 0 && tok == MDOC_Pf)
1383: append_delims(mdoc, line, pos, buf);
1384: if (state >= 0)
1.149 schwarze 1385: rew_elem(mdoc, tok);
1.150 schwarze 1386: if (nl)
1387: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1388: }
1389:
1.151 schwarze 1390: static void
1.1 kristaps 1391: in_line_eoln(MACRO_PROT_ARGS)
1392: {
1.185 schwarze 1393: struct roff_node *n;
1.170 schwarze 1394: struct mdoc_arg *arg;
1.1 kristaps 1395:
1.170 schwarze 1396: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1397: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1398: n = mdoc->last;
1.189 schwarze 1399: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1400: n = n->parent;
1401: if (n->tok == MDOC_Nm)
1402: rew_last(mdoc, mdoc->last->parent);
1.178 schwarze 1403: }
1404:
1.179 schwarze 1405: if (buf[*pos] == '\0' &&
1406: (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
1.178 schwarze 1407: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.179 schwarze 1408: line, ppos, mdoc_macronames[tok]);
1.178 schwarze 1409: return;
1.170 schwarze 1410: }
1.90 schwarze 1411:
1.152 schwarze 1412: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1413: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1414: if (parse_rest(mdoc, tok, line, pos, buf))
1415: return;
1416: rew_elem(mdoc, tok);
1417: }
1418:
1419: /*
1420: * The simplest argument parser available: Parse the remaining
1421: * words until the end of the phrase or line and return 0
1422: * or until the next macro, call that macro, and return 1.
1423: */
1424: static int
1.189 schwarze 1425: parse_rest(struct roff_man *mdoc, int tok, int line, int *pos, char *buf)
1.154 schwarze 1426: {
1427: int la;
1.1 kristaps 1428:
1429: for (;;) {
1430: la = *pos;
1.153 schwarze 1431: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.154 schwarze 1432: return(0);
1.153 schwarze 1433: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.154 schwarze 1434: return(1);
1.1 kristaps 1435: }
1436: }
1437:
1.151 schwarze 1438: static void
1.41 kristaps 1439: ctx_synopsis(MACRO_PROT_ARGS)
1440: {
1.60 kristaps 1441:
1.151 schwarze 1442: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1443: in_line(mdoc, tok, line, ppos, pos, buf);
1444: else if (tok == MDOC_Nm)
1445: blk_full(mdoc, tok, line, ppos, pos, buf);
1446: else {
1447: assert(tok == MDOC_Vt);
1448: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1449: }
1.1 kristaps 1450: }
1451:
1.24 kristaps 1452: /*
1453: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1454: * They're unusual because they're basically free-form text until a
1455: * macro is encountered.
1456: */
1.151 schwarze 1457: static void
1.75 kristaps 1458: phrase_ta(MACRO_PROT_ARGS)
1459: {
1.185 schwarze 1460: struct roff_node *body, *n;
1.75 kristaps 1461:
1.121 schwarze 1462: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1463:
1.167 schwarze 1464: body = NULL;
1465: for (n = mdoc->last; n != NULL; n = n->parent) {
1.183 schwarze 1466: if (n->flags & MDOC_ENDED)
1.167 schwarze 1467: continue;
1.184 schwarze 1468: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1469: body = n;
1470: if (n->tok == MDOC_Bl)
1471: break;
1472: }
1473:
1.151 schwarze 1474: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1475: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1476: line, ppos, "Ta");
1.151 schwarze 1477: return;
1.121 schwarze 1478: }
1.75 kristaps 1479:
1.121 schwarze 1480: /* Advance to the next column. */
1.150 schwarze 1481:
1.167 schwarze 1482: rew_last(mdoc, body);
1.190 schwarze 1483: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1484: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1485: }
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