Annotation of mandoc/mdoc_macro.c, Revision 1.210
1.210 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.209 2016/08/20 17:59:34 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.209 schwarze 4: * Copyright (c) 2010, 2012-2016 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:
1.210 ! schwarze 219: n = mdoc->last->flags & NODE_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);
1.206 schwarze 231: mdoc_state_reset(mdoc);
1.1 kristaps 232: }
233:
1.32 kristaps 234: /*
1.153 schwarze 235: * Look up the macro at *p called by "from",
1.191 schwarze 236: * or as a line macro if from == TOKEN_NONE.
1.32 kristaps 237: */
1.185 schwarze 238: static int
1.189 schwarze 239: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.28 kristaps 240: {
1.185 schwarze 241: int res;
1.1 kristaps 242:
1.205 schwarze 243: if (mdoc->flags & MDOC_PHRASEQF) {
244: mdoc->flags &= ~MDOC_PHRASEQF;
245: return TOKEN_NONE;
246: }
1.191 schwarze 247: if (from == TOKEN_NONE || mdoc_macros[from].flags & MDOC_PARSED) {
1.153 schwarze 248: res = mdoc_hash_find(p);
1.191 schwarze 249: if (res != TOKEN_NONE) {
1.155 schwarze 250: if (mdoc_macros[res].flags & MDOC_CALLABLE)
1.202 schwarze 251: return res;
1.155 schwarze 252: if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll)
253: mandoc_msg(MANDOCERR_MACRO_CALL,
254: mdoc->parse, line, ppos, p);
255: }
1.153 schwarze 256: }
1.202 schwarze 257: return TOKEN_NONE;
1.1 kristaps 258: }
259:
1.166 schwarze 260: /*
261: * Rewind up to and including a specific node.
262: */
1.149 schwarze 263: static void
1.189 schwarze 264: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 265: {
266:
1.210 ! schwarze 267: if (to->flags & NODE_VALID)
1.186 schwarze 268: return;
269:
1.1 kristaps 270: while (mdoc->last != to) {
1.206 schwarze 271: mdoc_state(mdoc, mdoc->last);
1.210 ! schwarze 272: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.206 schwarze 273: mdoc->last = mdoc->last->parent;
1.1 kristaps 274: }
1.206 schwarze 275: mdoc_state(mdoc, mdoc->last);
1.210 ! schwarze 276: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.200 schwarze 277: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 278: }
279:
1.32 kristaps 280: /*
1.166 schwarze 281: * Rewind up to a specific block, including all blocks that broke it.
282: */
283: static void
1.189 schwarze 284: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.166 schwarze 285: {
286:
1.183 schwarze 287: for (;;) {
288: rew_last(mdoc, n);
289:
1.194 schwarze 290: if (mdoc->last == n) {
291: switch (n->type) {
292: case ROFFT_HEAD:
293: roff_body_alloc(mdoc, n->line, n->pos,
294: n->tok);
1.207 schwarze 295: break;
1.194 schwarze 296: case ROFFT_BLOCK:
297: break;
298: default:
299: return;
300: }
1.210 ! schwarze 301: if ( ! (n->flags & NODE_BROKEN))
1.194 schwarze 302: return;
303: } else
304: n = mdoc->last;
1.166 schwarze 305:
1.183 schwarze 306: for (;;) {
307: if ((n = n->parent) == NULL)
308: return;
309:
1.184 schwarze 310: if (n->type == ROFFT_BLOCK ||
311: n->type == ROFFT_HEAD) {
1.210 ! schwarze 312: if (n->flags & NODE_ENDED)
1.183 schwarze 313: break;
314: else
315: return;
316: }
317: }
1.166 schwarze 318: }
319: }
320:
321: /*
1.84 schwarze 322: * For a block closing macro, return the corresponding opening one.
323: * Otherwise, return the macro itself.
1.32 kristaps 324: */
1.185 schwarze 325: static int
326: rew_alt(int tok)
1.1 kristaps 327: {
328: switch (tok) {
1.131 schwarze 329: case MDOC_Ac:
1.202 schwarze 330: return MDOC_Ao;
1.131 schwarze 331: case MDOC_Bc:
1.202 schwarze 332: return MDOC_Bo;
1.131 schwarze 333: case MDOC_Brc:
1.202 schwarze 334: return MDOC_Bro;
1.131 schwarze 335: case MDOC_Dc:
1.202 schwarze 336: return MDOC_Do;
1.131 schwarze 337: case MDOC_Ec:
1.202 schwarze 338: return MDOC_Eo;
1.131 schwarze 339: case MDOC_Ed:
1.202 schwarze 340: return MDOC_Bd;
1.131 schwarze 341: case MDOC_Ef:
1.202 schwarze 342: return MDOC_Bf;
1.131 schwarze 343: case MDOC_Ek:
1.202 schwarze 344: return MDOC_Bk;
1.131 schwarze 345: case MDOC_El:
1.202 schwarze 346: return MDOC_Bl;
1.131 schwarze 347: case MDOC_Fc:
1.202 schwarze 348: return MDOC_Fo;
1.131 schwarze 349: case MDOC_Oc:
1.202 schwarze 350: return MDOC_Oo;
1.131 schwarze 351: case MDOC_Pc:
1.202 schwarze 352: return MDOC_Po;
1.131 schwarze 353: case MDOC_Qc:
1.202 schwarze 354: return MDOC_Qo;
1.131 schwarze 355: case MDOC_Re:
1.202 schwarze 356: return MDOC_Rs;
1.131 schwarze 357: case MDOC_Sc:
1.202 schwarze 358: return MDOC_So;
1.131 schwarze 359: case MDOC_Xc:
1.202 schwarze 360: return MDOC_Xo;
1.1 kristaps 361: default:
1.202 schwarze 362: return tok;
1.1 kristaps 363: }
364: }
365:
1.149 schwarze 366: static void
1.189 schwarze 367: rew_elem(struct roff_man *mdoc, int tok)
1.1 kristaps 368: {
1.185 schwarze 369: struct roff_node *n;
1.1 kristaps 370:
371: n = mdoc->last;
1.184 schwarze 372: if (n->type != ROFFT_ELEM)
1.1 kristaps 373: n = n->parent;
1.184 schwarze 374: assert(n->type == ROFFT_ELEM);
1.1 kristaps 375: assert(tok == n->tok);
1.149 schwarze 376: rew_last(mdoc, n);
1.1 kristaps 377: }
378:
1.83 schwarze 379: /*
1.187 schwarze 380: * If there is an open sub-block of the target requiring
381: * explicit close-out, postpone closing out the target until
382: * the rew_pending() call closing out the sub-block.
383: */
384: static int
1.189 schwarze 385: find_pending(struct roff_man *mdoc, int tok, int line, int ppos,
1.187 schwarze 386: struct roff_node *target)
387: {
388: struct roff_node *n;
389: int irc;
390:
391: irc = 0;
392: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.210 ! schwarze 393: if (n->flags & NODE_ENDED) {
! 394: if ( ! (n->flags & NODE_VALID))
! 395: n->flags |= NODE_BROKEN;
1.187 schwarze 396: continue;
397: }
398: if (n->type == ROFFT_BLOCK &&
399: mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
400: irc = 1;
1.210 ! schwarze 401: n->flags = NODE_BROKEN;
1.187 schwarze 402: if (target->type == ROFFT_HEAD)
1.210 ! schwarze 403: target->flags = NODE_ENDED;
! 404: else if ( ! (target->flags & NODE_ENDED)) {
1.187 schwarze 405: mandoc_vmsg(MANDOCERR_BLK_NEST,
406: mdoc->parse, line, ppos,
407: "%s breaks %s", mdoc_macronames[tok],
408: mdoc_macronames[n->tok]);
409: mdoc_endbody_alloc(mdoc, line, ppos,
410: tok, target, ENDBODY_NOSPACE);
411: }
412: }
413: }
1.202 schwarze 414: return irc;
1.187 schwarze 415: }
416:
417: /*
1.105 kristaps 418: * Allocate a word and check whether it's punctuation or not.
419: * Punctuation consists of those tokens found in mdoc_isdelim().
420: */
1.150 schwarze 421: static void
1.189 schwarze 422: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 423: enum mdelim d, int may_append)
1.105 kristaps 424: {
1.131 schwarze 425:
1.150 schwarze 426: if (d == DELIM_MAX)
1.105 kristaps 427: d = mdoc_isdelim(p);
428:
1.123 schwarze 429: if (may_append &&
1.150 schwarze 430: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 431: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 432: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 433: roff_word_append(mdoc, p);
1.150 schwarze 434: return;
1.123 schwarze 435: }
436:
1.192 schwarze 437: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 438:
1.108 schwarze 439: /*
1.144 schwarze 440: * If the word consists of a bare delimiter,
441: * flag the new node accordingly,
442: * unless doing so was vetoed by the invoking macro.
443: * Always clear the veto, it is only valid for one word.
1.108 schwarze 444: */
445:
1.144 schwarze 446: if (d == DELIM_OPEN)
1.210 ! schwarze 447: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 448: else if (d == DELIM_CLOSE &&
449: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 450: mdoc->last->parent->tok != MDOC_Fd)
1.210 ! schwarze 451: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 452: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 453: }
1.1 kristaps 454:
1.150 schwarze 455: static void
1.189 schwarze 456: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 457: {
1.153 schwarze 458: char *p;
1.66 kristaps 459: int la;
1.1 kristaps 460:
1.150 schwarze 461: if (buf[*pos] == '\0')
462: return;
1.1 kristaps 463:
464: for (;;) {
1.66 kristaps 465: la = *pos;
1.191 schwarze 466: if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
467: ARGS_EOLN)
1.1 kristaps 468: break;
1.123 schwarze 469: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 470:
471: /*
472: * If we encounter end-of-sentence symbols, then trigger
473: * the double-space.
474: *
1.109 kristaps 475: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 476: * the last symbol, such that `. )' will cause the
477: * correct double-spacing. However, (1) groff isn't
478: * smart enough to do this and (2) it would require
479: * knowing which symbols break this behaviour, for
1.109 kristaps 480: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 481: */
1.150 schwarze 482:
1.127 schwarze 483: if (mandoc_eos(p, strlen(p)))
1.210 ! schwarze 484: mdoc->last->flags |= NODE_EOS;
1.1 kristaps 485: }
486: }
487:
488: /*
1.153 schwarze 489: * Parse one word.
490: * If it is a macro, call it and return 1.
491: * Otherwise, allocate it and return 0.
492: */
493: static int
494: macro_or_word(MACRO_PROT_ARGS, int parsed)
495: {
496: char *p;
1.185 schwarze 497: int ntok;
1.153 schwarze 498:
499: p = buf + ppos;
1.191 schwarze 500: ntok = TOKEN_NONE;
1.157 schwarze 501: if (*p == '"')
1.153 schwarze 502: p++;
1.157 schwarze 503: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.155 schwarze 504: ntok = lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 505:
1.191 schwarze 506: if (ntok == TOKEN_NONE) {
507: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.153 schwarze 508: mdoc_macros[tok].flags & MDOC_JOIN);
1.202 schwarze 509: return 0;
1.153 schwarze 510: } else {
511: if (mdoc_macros[tok].fp == in_line_eoln)
512: rew_elem(mdoc, tok);
513: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 514: if (tok == TOKEN_NONE)
1.153 schwarze 515: append_delims(mdoc, line, pos, buf);
1.202 schwarze 516: return 1;
1.153 schwarze 517: }
518: }
519:
520: /*
1.131 schwarze 521: * Close out block partial/full explicit.
1.1 kristaps 522: */
1.151 schwarze 523: static void
1.1 kristaps 524: blk_exp_close(MACRO_PROT_ARGS)
525: {
1.185 schwarze 526: struct roff_node *body; /* Our own body. */
527: struct roff_node *endbody; /* Our own end marker. */
528: struct roff_node *itblk; /* An It block starting later. */
529: struct roff_node *later; /* A sub-block starting later. */
530: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 531: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 532:
1.188 schwarze 533: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 534: enum margserr ac;
1.185 schwarze 535: int atok, ntok;
1.1 kristaps 536: char *p;
537:
1.119 schwarze 538: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 539:
1.1 kristaps 540: switch (tok) {
1.131 schwarze 541: case MDOC_Ec:
1.1 kristaps 542: maxargs = 1;
543: break;
1.131 schwarze 544: case MDOC_Ek:
1.125 schwarze 545: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 546: /* FALLTHROUGH */
1.1 kristaps 547: default:
548: maxargs = 0;
549: break;
550: }
551:
1.209 schwarze 552: /* Search backwards for the beginning of our own body. */
553:
554: atok = rew_alt(tok);
555: body = NULL;
556: for (n = mdoc->last; n; n = n->parent) {
1.210 ! schwarze 557: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 558: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
559: continue;
560: body = n;
561: break;
562: }
563:
1.83 schwarze 564: /*
565: * Search backwards for beginnings of blocks,
566: * both of our own and of pending sub-blocks.
567: */
1.151 schwarze 568:
1.209 schwarze 569: endbody = itblk = later = NULL;
1.119 schwarze 570: for (n = mdoc->last; n; n = n->parent) {
1.210 ! schwarze 571: if (n->flags & NODE_ENDED) {
! 572: if ( ! (n->flags & NODE_VALID))
! 573: n->flags |= NODE_BROKEN;
1.83 schwarze 574: continue;
1.183 schwarze 575: }
1.83 schwarze 576:
1.209 schwarze 577: /*
578: * Mismatching end macros can never break anything,
579: * SYNOPSIS name blocks can never be broken,
580: * and we only care about the breaking of BLOCKs.
581: */
1.83 schwarze 582:
1.209 schwarze 583: if (body == NULL ||
584: n->tok == MDOC_Nm ||
585: n->type != ROFFT_BLOCK)
1.83 schwarze 586: continue;
1.160 schwarze 587:
588: if (n->tok == MDOC_It) {
1.171 schwarze 589: itblk = n;
1.160 schwarze 590: continue;
591: }
592:
1.83 schwarze 593: if (atok == n->tok) {
594: assert(body);
595:
596: /*
597: * Found the start of our own block.
598: * When there is no pending sub block,
599: * just proceed to closing out.
600: */
1.151 schwarze 601:
1.160 schwarze 602: if (later == NULL ||
1.171 schwarze 603: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 604: break;
605:
1.131 schwarze 606: /*
1.167 schwarze 607: * When there is a pending sub block, postpone
608: * closing out the current block until the
609: * rew_pending() closing out the sub-block.
1.83 schwarze 610: * Mark the place where the formatting - but not
611: * the scope - of the current block ends.
612: */
1.151 schwarze 613:
1.183 schwarze 614: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
615: line, ppos, "%s breaks %s",
616: mdoc_macronames[atok],
617: mdoc_macronames[later->tok]);
618:
1.166 schwarze 619: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.150 schwarze 620: atok, body, ENDBODY_SPACE);
1.151 schwarze 621:
1.183 schwarze 622: if (tok == MDOC_El)
1.210 ! schwarze 623: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 624:
1.151 schwarze 625: /*
626: * If a block closing macro taking arguments
627: * breaks another block, put the arguments
1.166 schwarze 628: * into the end marker.
1.151 schwarze 629: */
630:
1.166 schwarze 631: if (maxargs)
1.189 schwarze 632: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 633: break;
1.182 schwarze 634: }
635:
636: /* Explicit blocks close out description lines. */
637:
638: if (n->tok == MDOC_Nd) {
639: rew_last(mdoc, n);
640: continue;
1.83 schwarze 641: }
642:
1.183 schwarze 643: /* Breaking an open sub block. */
1.151 schwarze 644:
1.210 ! schwarze 645: n->flags |= NODE_BROKEN;
1.183 schwarze 646: if (later == NULL)
1.83 schwarze 647: later = n;
648: }
1.166 schwarze 649:
650: if (body == NULL) {
651: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
652: line, ppos, mdoc_macronames[tok]);
653: if (maxargs && endbody == NULL) {
654: /*
655: * Stray .Ec without previous .Eo:
656: * Break the output line, keep the arguments.
657: */
1.193 schwarze 658: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.166 schwarze 659: rew_elem(mdoc, MDOC_br);
660: }
661: } else if (endbody == NULL) {
662: rew_last(mdoc, body);
663: if (maxargs)
664: mdoc_tail_alloc(mdoc, line, ppos, atok);
665: }
1.83 schwarze 666:
1.150 schwarze 667: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
668: if (buf[*pos] != '\0')
1.136 schwarze 669: mandoc_vmsg(MANDOCERR_ARG_SKIP,
670: mdoc->parse, line, ppos,
671: "%s %s", mdoc_macronames[tok],
672: buf + *pos);
1.171 schwarze 673: if (endbody == NULL && n != NULL)
1.167 schwarze 674: rew_pending(mdoc, n);
1.151 schwarze 675: return;
1.1 kristaps 676: }
677:
1.166 schwarze 678: if (endbody != NULL)
679: n = endbody;
1.197 schwarze 680:
681: ntok = TOKEN_NONE;
1.148 schwarze 682: for (j = 0; ; j++) {
1.1 kristaps 683: lastarg = *pos;
684:
1.186 schwarze 685: if (j == maxargs && n != NULL)
686: rew_last(mdoc, n);
1.1 kristaps 687:
1.119 schwarze 688: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 689: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 690: break;
691:
1.191 schwarze 692: ntok = ac == ARGS_QWORD ? TOKEN_NONE :
1.155 schwarze 693: lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 694:
1.191 schwarze 695: if (ntok == TOKEN_NONE) {
1.150 schwarze 696: dword(mdoc, line, lastarg, p, DELIM_MAX,
697: MDOC_JOIN & mdoc_macros[tok].flags);
1.54 kristaps 698: continue;
699: }
1.1 kristaps 700:
1.186 schwarze 701: if (n != NULL)
702: rew_last(mdoc, n);
1.122 schwarze 703: mdoc->flags &= ~MDOC_NEWLINE;
1.151 schwarze 704: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 705: break;
1.1 kristaps 706: }
707:
1.188 schwarze 708: if (n != NULL) {
1.210 ! schwarze 709: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 710: target = n;
711: do
712: target = target->parent;
1.210 ! schwarze 713: while ( ! (target->flags & NODE_ENDED));
1.188 schwarze 714: pending = find_pending(mdoc, ntok, line, ppos,
715: target);
716: } else
717: pending = 0;
718: if ( ! pending)
719: rew_pending(mdoc, n);
720: }
1.150 schwarze 721: if (nl)
722: append_delims(mdoc, line, pos, buf);
1.1 kristaps 723: }
724:
1.151 schwarze 725: static void
1.1 kristaps 726: in_line(MACRO_PROT_ARGS)
727: {
1.144 schwarze 728: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.185 schwarze 729: int ntok;
1.55 kristaps 730: enum margserr ac;
1.67 schwarze 731: enum mdelim d;
1.53 kristaps 732: struct mdoc_arg *arg;
733: char *p;
1.1 kristaps 734:
1.119 schwarze 735: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 736:
1.4 kristaps 737: /*
738: * Whether we allow ignored elements (those without content,
739: * usually because of reserved words) to squeak by.
740: */
1.45 kristaps 741:
1.4 kristaps 742: switch (tok) {
1.131 schwarze 743: case MDOC_An:
744: case MDOC_Ar:
745: case MDOC_Fl:
746: case MDOC_Mt:
747: case MDOC_Nm:
748: case MDOC_Pa:
1.4 kristaps 749: nc = 1;
750: break;
751: default:
752: nc = 0;
753: break;
754: }
755:
1.152 schwarze 756: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 757:
1.144 schwarze 758: d = DELIM_NONE;
759: firstarg = 1;
1.142 schwarze 760: mayopen = 1;
1.70 kristaps 761: for (cnt = scope = 0;; ) {
1.1 kristaps 762: la = *pos;
1.119 schwarze 763: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 764:
1.144 schwarze 765: /*
766: * At the end of a macro line,
767: * opening delimiters do not suppress spacing.
768: */
769:
770: if (ac == ARGS_EOLN) {
771: if (d == DELIM_OPEN)
1.210 ! schwarze 772: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 773: break;
1.144 schwarze 774: }
775:
776: /*
777: * The rest of the macro line is only punctuation,
778: * to be handled by append_delims().
779: * If there were no other arguments,
780: * do not allow the first one to suppress spacing,
781: * even if it turns out to be a closing one.
782: */
783:
784: if (ac == ARGS_PUNCT) {
1.176 schwarze 785: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 786: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 787: break;
1.144 schwarze 788: }
1.1 kristaps 789:
1.145 schwarze 790: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.191 schwarze 791: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 792:
1.131 schwarze 793: /*
1.4 kristaps 794: * In this case, we've located a submacro and must
795: * execute it. Close out scope, if open. If no
796: * elements have been generated, either create one (nc)
797: * or raise a warning.
798: */
1.1 kristaps 799:
1.191 schwarze 800: if (ntok != TOKEN_NONE) {
1.149 schwarze 801: if (scope)
802: rew_elem(mdoc, tok);
1.150 schwarze 803: if (nc && ! cnt) {
804: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 805: rew_last(mdoc, mdoc->last);
1.150 schwarze 806: } else if ( ! nc && ! cnt) {
1.7 kristaps 807: mdoc_argv_free(arg);
1.135 schwarze 808: mandoc_msg(MANDOCERR_MACRO_EMPTY,
809: mdoc->parse, line, ppos,
810: mdoc_macronames[tok]);
1.7 kristaps 811: }
1.151 schwarze 812: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.150 schwarze 813: if (nl)
814: append_delims(mdoc, line, pos, buf);
1.151 schwarze 815: return;
1.131 schwarze 816: }
1.1 kristaps 817:
1.131 schwarze 818: /*
1.4 kristaps 819: * Non-quote-enclosed punctuation. Set up our scope, if
820: * a word; rewind the scope, if a delimiter; then append
1.131 schwarze 821: * the word.
1.4 kristaps 822: */
1.1 kristaps 823:
1.150 schwarze 824: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.3 kristaps 825:
1.70 kristaps 826: if (DELIM_NONE != d) {
827: /*
828: * If we encounter closing punctuation, no word
1.144 schwarze 829: * has been emitted, no scope is open, and we're
1.70 kristaps 830: * allowed to have an empty element, then start
1.142 schwarze 831: * a new scope.
1.70 kristaps 832: */
1.142 schwarze 833: if ((d == DELIM_CLOSE ||
834: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 835: !cnt && !scope && nc && mayopen) {
1.150 schwarze 836: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 837: scope = 1;
1.142 schwarze 838: cnt++;
1.150 schwarze 839: if (tok == MDOC_Nm)
1.142 schwarze 840: mayopen = 0;
1.70 kristaps 841: }
842: /*
843: * Close out our scope, if one is open, before
844: * any punctuation.
845: */
1.149 schwarze 846: if (scope)
847: rew_elem(mdoc, tok);
1.70 kristaps 848: scope = 0;
1.145 schwarze 849: if (tok == MDOC_Fn)
850: mayopen = 0;
1.142 schwarze 851: } else if (mayopen && !scope) {
1.150 schwarze 852: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 853: scope = 1;
1.142 schwarze 854: cnt++;
1.1 kristaps 855: }
1.105 kristaps 856:
1.150 schwarze 857: dword(mdoc, line, la, p, d,
858: MDOC_JOIN & mdoc_macros[tok].flags);
1.39 kristaps 859:
860: /*
1.144 schwarze 861: * If the first argument is a closing delimiter,
862: * do not suppress spacing before it.
863: */
864:
865: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 ! schwarze 866: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 867: firstarg = 0;
868:
869: /*
1.39 kristaps 870: * `Fl' macros have their scope re-opened with each new
871: * word so that the `-' can be added to each one without
872: * having to parse out spaces.
873: */
1.150 schwarze 874: if (scope && tok == MDOC_Fl) {
1.149 schwarze 875: rew_elem(mdoc, tok);
1.70 kristaps 876: scope = 0;
1.39 kristaps 877: }
1.1 kristaps 878: }
879:
1.149 schwarze 880: if (scope)
881: rew_elem(mdoc, tok);
1.4 kristaps 882:
883: /*
884: * If no elements have been collected and we're allowed to have
885: * empties (nc), open a scope and close it out. Otherwise,
886: * raise a warning.
887: */
1.45 kristaps 888:
1.150 schwarze 889: if ( ! cnt) {
890: if (nc) {
891: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
892: rew_last(mdoc, mdoc->last);
893: } else {
894: mdoc_argv_free(arg);
895: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
896: line, ppos, mdoc_macronames[tok]);
897: }
1.7 kristaps 898: }
1.150 schwarze 899: if (nl)
900: append_delims(mdoc, line, pos, buf);
1.1 kristaps 901: }
902:
1.151 schwarze 903: static void
1.1 kristaps 904: blk_full(MACRO_PROT_ARGS)
905: {
1.153 schwarze 906: int la, nl, parsed;
1.1 kristaps 907: struct mdoc_arg *arg;
1.185 schwarze 908: struct roff_node *blk; /* Our own or a broken block. */
909: struct roff_node *head; /* Our own head. */
910: struct roff_node *body; /* Our own body. */
911: struct roff_node *n;
1.59 kristaps 912: enum margserr ac, lac;
1.1 kristaps 913: char *p;
914:
1.119 schwarze 915: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 916:
1.177 schwarze 917: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
918: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
919: line, ppos, mdoc_macronames[tok]);
920: return;
921: }
922:
1.171 schwarze 923: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
924:
925: /* Here, tok is one of Sh Ss Nm Nd It. */
926:
927: blk = NULL;
928: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 ! schwarze 929: if (n->flags & NODE_ENDED) {
! 930: if ( ! (n->flags & NODE_VALID))
! 931: n->flags |= NODE_BROKEN;
1.183 schwarze 932: continue;
933: }
1.184 schwarze 934: if (n->type != ROFFT_BLOCK)
1.171 schwarze 935: continue;
1.183 schwarze 936:
1.171 schwarze 937: if (tok == MDOC_It && n->tok == MDOC_Bl) {
938: if (blk != NULL) {
939: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
940: mdoc->parse, line, ppos,
941: "It breaks %s",
942: mdoc_macronames[blk->tok]);
943: rew_pending(mdoc, blk);
944: }
945: break;
946: }
947:
948: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
949: switch (tok) {
950: case MDOC_Sh:
951: case MDOC_Ss:
952: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
953: mdoc->parse, line, ppos,
954: "%s breaks %s",
955: mdoc_macronames[tok],
956: mdoc_macronames[n->tok]);
957: rew_pending(mdoc, n);
1.180 schwarze 958: n = mdoc->last;
1.171 schwarze 959: continue;
960: case MDOC_It:
961: /* Delay in case it's astray. */
962: blk = n;
963: continue;
964: default:
965: break;
966: }
967: break;
968: }
969:
970: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 971:
1.171 schwarze 972: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
973: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
974: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 975: break;
1.171 schwarze 976:
977: /* Item breaking an explicit block. */
978:
979: if (blk != NULL) {
980: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
981: mdoc->parse, line, ppos,
982: "It breaks %s",
983: mdoc_macronames[blk->tok]);
984: rew_pending(mdoc, blk);
1.172 schwarze 985: blk = NULL;
1.171 schwarze 986: }
987:
988: /* Close out prior implicit scopes. */
989:
990: rew_last(mdoc, n);
991: }
992:
993: /* Skip items outside lists. */
994:
995: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.138 schwarze 996: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
997: line, ppos, "It %s", buf + *pos);
1.193 schwarze 998: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.149 schwarze 999: rew_elem(mdoc, MDOC_br);
1.151 schwarze 1000: return;
1.138 schwarze 1001: }
1.1 kristaps 1002: }
1003:
1.45 kristaps 1004: /*
1.109 kristaps 1005: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1006: * macro openings. Implicit ones first close out prior scope
1007: * (seen above). Delay opening the head until necessary to
1008: * allow leading punctuation to print. Special consideration
1009: * for `It -column', which has phrase-part syntax instead of
1010: * regular child nodes.
1011: */
1012:
1.152 schwarze 1013: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1014: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1015: head = body = NULL;
1.115 schwarze 1016:
1017: /*
1018: * Exception: Heads of `It' macros in `-diag' lists are not
1019: * parsed, even though `It' macros in general are parsed.
1020: */
1.151 schwarze 1021:
1.153 schwarze 1022: parsed = tok != MDOC_It ||
1023: mdoc->last->parent->tok != MDOC_Bl ||
1024: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1025:
1.45 kristaps 1026: /*
1027: * The `Nd' macro has all arguments in its body: it's a hybrid
1028: * of block partial-explicit and full-implicit. Stupid.
1029: */
1.19 kristaps 1030:
1.150 schwarze 1031: if (tok == MDOC_Nd) {
1.190 schwarze 1032: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1033: rew_last(mdoc, head);
1.190 schwarze 1034: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1035: }
1036:
1.150 schwarze 1037: if (tok == MDOC_Bk)
1.123 schwarze 1038: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1039:
1.205 schwarze 1040: ac = ARGS_EOLN;
1.150 schwarze 1041: for (;;) {
1.205 schwarze 1042:
1043: /*
1044: * If we are right after a tab character,
1045: * do not parse the first word for macros.
1046: */
1047:
1048: if (mdoc->flags & MDOC_PHRASEQN) {
1049: mdoc->flags &= ~MDOC_PHRASEQN;
1050: mdoc->flags |= MDOC_PHRASEQF;
1051: }
1052:
1.45 kristaps 1053: la = *pos;
1.150 schwarze 1054: lac = ac;
1.119 schwarze 1055: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1056: if (ac == ARGS_EOLN) {
1.205 schwarze 1057: if (lac != ARGS_PHRASE ||
1058: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1059: break;
1.205 schwarze 1060:
1.75 kristaps 1061: /*
1.205 schwarze 1062: * This line ends in a tab; start the next
1063: * column now, with a leading blank.
1.75 kristaps 1064: */
1.205 schwarze 1065:
1.167 schwarze 1066: if (body != NULL)
1067: rew_last(mdoc, body);
1.190 schwarze 1068: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1069: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1070: break;
1.75 kristaps 1071: }
1.205 schwarze 1072:
1.174 schwarze 1073: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1074: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1075: mdoc->parse, line, la, "%s ... %s",
1076: mdoc_macronames[tok], buf + la);
1077: break;
1078: }
1.173 schwarze 1079: if (tok == MDOC_Rs) {
1080: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1081: line, la, "Rs %s", buf + la);
1082: break;
1083: }
1084: if (ac == ARGS_PUNCT)
1085: break;
1.45 kristaps 1086:
1.131 schwarze 1087: /*
1.73 kristaps 1088: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1089: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1090: */
1.45 kristaps 1091:
1.150 schwarze 1092: if (head == NULL &&
1093: ac != ARGS_PHRASE &&
1094: ac != ARGS_QWORD &&
1095: mdoc_isdelim(p) == DELIM_OPEN) {
1096: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1097: continue;
1098: }
1099:
1.74 kristaps 1100: /* Open a head if one hasn't been opened. */
1.45 kristaps 1101:
1.150 schwarze 1102: if (head == NULL)
1.190 schwarze 1103: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1104:
1.205 schwarze 1105: if (ac == ARGS_PHRASE) {
1.151 schwarze 1106:
1.73 kristaps 1107: /*
1.74 kristaps 1108: * If we haven't opened a body yet, rewind the
1109: * head; if we have, rewind that instead.
1110: */
1111:
1.167 schwarze 1112: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1113: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1114:
1.205 schwarze 1115: /* Process to the tab or to the end of the line. */
1.74 kristaps 1116:
1.205 schwarze 1117: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1118: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1119: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1120:
1121: /* There may have been `Ta' macros. */
1122:
1123: while (body->next != NULL)
1124: body = body->next;
1.1 kristaps 1125: continue;
1126: }
1127:
1.153 schwarze 1128: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1129: break;
1.45 kristaps 1130: }
1.1 kristaps 1131:
1.210 ! schwarze 1132: if (blk->flags & NODE_VALID)
1.165 schwarze 1133: return;
1.150 schwarze 1134: if (head == NULL)
1.190 schwarze 1135: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1136: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1137: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1138: if (body != NULL)
1.77 kristaps 1139: goto out;
1.187 schwarze 1140: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1141: return;
1.47 kristaps 1142:
1.45 kristaps 1143: /* Close out scopes to remain in a consistent state. */
1144:
1.167 schwarze 1145: rew_last(mdoc, head);
1.190 schwarze 1146: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1147: out:
1.150 schwarze 1148: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1149: rew_last(mdoc, body);
1150: rew_last(mdoc, blk);
1.150 schwarze 1151: mdoc->flags &= ~MDOC_FREECOL;
1152: }
1.1 kristaps 1153: }
1154:
1.151 schwarze 1155: static void
1.1 kristaps 1156: blk_part_imp(MACRO_PROT_ARGS)
1157: {
1.63 kristaps 1158: int la, nl;
1.55 kristaps 1159: enum margserr ac;
1.1 kristaps 1160: char *p;
1.185 schwarze 1161: struct roff_node *blk; /* saved block context */
1162: struct roff_node *body; /* saved body context */
1163: struct roff_node *n;
1.1 kristaps 1164:
1.119 schwarze 1165: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1166:
1.43 kristaps 1167: /*
1168: * A macro that spans to the end of the line. This is generally
1169: * (but not necessarily) called as the first macro. The block
1170: * has a head as the immediate child, which is always empty,
1171: * followed by zero or more opening punctuation nodes, then the
1172: * body (which may be empty, depending on the macro), then zero
1173: * or more closing punctuation nodes.
1174: */
1.32 kristaps 1175:
1.150 schwarze 1176: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1177: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1178:
1.43 kristaps 1179: /*
1180: * Open the body scope "on-demand", that is, after we've
1181: * processed all our the leading delimiters (open parenthesis,
1182: * etc.).
1183: */
1.1 kristaps 1184:
1.43 kristaps 1185: for (body = NULL; ; ) {
1.32 kristaps 1186: la = *pos;
1.119 schwarze 1187: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1188: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1189: break;
1190:
1.150 schwarze 1191: if (body == NULL && ac != ARGS_QWORD &&
1192: mdoc_isdelim(p) == DELIM_OPEN) {
1193: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1194: continue;
1.123 schwarze 1195: }
1.1 kristaps 1196:
1.150 schwarze 1197: if (body == NULL)
1.190 schwarze 1198: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1199:
1.153 schwarze 1200: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1201: break;
1.1 kristaps 1202: }
1.150 schwarze 1203: if (body == NULL)
1.190 schwarze 1204: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1205:
1.187 schwarze 1206: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1207: return;
1208:
1.164 schwarze 1209: rew_last(mdoc, body);
1.150 schwarze 1210: if (nl)
1211: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1212: rew_pending(mdoc, blk);
1.117 schwarze 1213:
1214: /* Move trailing .Ns out of scope. */
1215:
1216: for (n = body->child; n && n->next; n = n->next)
1217: /* Do nothing. */ ;
1.150 schwarze 1218: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1219: mdoc_node_relink(mdoc, n);
1.1 kristaps 1220: }
1221:
1.151 schwarze 1222: static void
1.1 kristaps 1223: blk_part_exp(MACRO_PROT_ARGS)
1224: {
1.60 kristaps 1225: int la, nl;
1.55 kristaps 1226: enum margserr ac;
1.185 schwarze 1227: struct roff_node *head; /* keep track of head */
1.1 kristaps 1228: char *p;
1229:
1.119 schwarze 1230: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1231:
1.43 kristaps 1232: /*
1233: * The opening of an explicit macro having zero or more leading
1234: * punctuation nodes; a head with optional single element (the
1235: * case of `Eo'); and a body that may be empty.
1236: */
1.32 kristaps 1237:
1.193 schwarze 1238: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1239: head = NULL;
1240: for (;;) {
1.32 kristaps 1241: la = *pos;
1.119 schwarze 1242: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1243: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1244: break;
1.43 kristaps 1245:
1246: /* Flush out leading punctuation. */
1247:
1.150 schwarze 1248: if (head == NULL && ac != ARGS_QWORD &&
1249: mdoc_isdelim(p) == DELIM_OPEN) {
1250: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1251: continue;
1.123 schwarze 1252: }
1.43 kristaps 1253:
1.150 schwarze 1254: if (head == NULL) {
1.190 schwarze 1255: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1256: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1257: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1258: rew_last(mdoc, head);
1.190 schwarze 1259: roff_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1260: if (tok == MDOC_Eo)
1.43 kristaps 1261: continue;
1.1 kristaps 1262: }
1.43 kristaps 1263:
1.153 schwarze 1264: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1265: break;
1.1 kristaps 1266: }
1267:
1.43 kristaps 1268: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1269:
1.163 schwarze 1270: if (head == NULL) {
1.190 schwarze 1271: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1272: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1273: }
1.150 schwarze 1274: if (nl)
1275: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1276: }
1277:
1.151 schwarze 1278: static void
1.1 kristaps 1279: in_line_argn(MACRO_PROT_ARGS)
1280: {
1.53 kristaps 1281: struct mdoc_arg *arg;
1282: char *p;
1.181 schwarze 1283: enum margserr ac;
1.185 schwarze 1284: int ntok;
1.181 schwarze 1285: int state; /* arg#; -1: not yet open; -2: closed */
1286: int la, maxargs, nl;
1.1 kristaps 1287:
1.156 schwarze 1288: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1289:
1.46 kristaps 1290: /*
1291: * A line macro that has a fixed number of arguments (maxargs).
1292: * Only open the scope once the first non-leading-punctuation is
1293: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1294: * keep it open until the maximum number of arguments are
1295: * exhausted.
1296: */
1.1 kristaps 1297:
1298: switch (tok) {
1.131 schwarze 1299: case MDOC_Ap:
1300: case MDOC_Ns:
1301: case MDOC_Ux:
1.1 kristaps 1302: maxargs = 0;
1303: break;
1.131 schwarze 1304: case MDOC_Bx:
1.132 schwarze 1305: case MDOC_Es:
1.131 schwarze 1306: case MDOC_Xr:
1.42 kristaps 1307: maxargs = 2;
1308: break;
1.1 kristaps 1309: default:
1310: maxargs = 1;
1311: break;
1312: }
1313:
1.152 schwarze 1314: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1315:
1.181 schwarze 1316: state = -1;
1.156 schwarze 1317: p = NULL;
1318: for (;;) {
1.32 kristaps 1319: la = *pos;
1.119 schwarze 1320: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1321:
1322: if (ac == ARGS_WORD && state == -1 &&
1323: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1324: mdoc_isdelim(p) == DELIM_OPEN) {
1325: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1326: continue;
1327: }
1328:
1329: if (state == -1 && tok != MDOC_In &&
1330: tok != MDOC_St && tok != MDOC_Xr) {
1331: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1332: state = 0;
1333: }
1334:
1.156 schwarze 1335: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1336: if (abs(state) < 2 && tok == MDOC_Pf)
1.156 schwarze 1337: mandoc_vmsg(MANDOCERR_PF_SKIP,
1338: mdoc->parse, line, ppos, "Pf %s",
1339: p == NULL ? "at eol" : p);
1.1 kristaps 1340: break;
1.156 schwarze 1341: }
1.1 kristaps 1342:
1.181 schwarze 1343: if (state == maxargs) {
1.149 schwarze 1344: rew_elem(mdoc, tok);
1.181 schwarze 1345: state = -2;
1.46 kristaps 1346: }
1347:
1.181 schwarze 1348: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
1.191 schwarze 1349: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1350:
1.191 schwarze 1351: if (ntok != TOKEN_NONE) {
1.181 schwarze 1352: if (state >= 0) {
1.149 schwarze 1353: rew_elem(mdoc, tok);
1.181 schwarze 1354: state = -2;
1355: }
1.151 schwarze 1356: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1357: break;
1358: }
1359:
1.181 schwarze 1360: if (ac == ARGS_QWORD ||
1361: mdoc_macros[tok].flags & MDOC_IGNDELIM ||
1362: mdoc_isdelim(p) == DELIM_NONE) {
1363: if (state == -1) {
1364: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1365: state = 1;
1366: } else if (state >= 0)
1367: state++;
1368: } else if (state >= 0) {
1.149 schwarze 1369: rew_elem(mdoc, tok);
1.181 schwarze 1370: state = -2;
1.1 kristaps 1371: }
1.42 kristaps 1372:
1.150 schwarze 1373: dword(mdoc, line, la, p, DELIM_MAX,
1374: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1375: }
1376:
1.181 schwarze 1377: if (state == -1) {
1378: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1379: line, ppos, mdoc_macronames[tok]);
1380: return;
1.156 schwarze 1381: }
1.181 schwarze 1382:
1383: if (state == 0 && tok == MDOC_Pf)
1384: append_delims(mdoc, line, pos, buf);
1385: if (state >= 0)
1.149 schwarze 1386: rew_elem(mdoc, tok);
1.150 schwarze 1387: if (nl)
1388: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1389: }
1390:
1.151 schwarze 1391: static void
1.1 kristaps 1392: in_line_eoln(MACRO_PROT_ARGS)
1393: {
1.185 schwarze 1394: struct roff_node *n;
1.170 schwarze 1395: struct mdoc_arg *arg;
1.1 kristaps 1396:
1.170 schwarze 1397: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1398: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1399: n = mdoc->last;
1.189 schwarze 1400: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1401: n = n->parent;
1402: if (n->tok == MDOC_Nm)
1.198 schwarze 1403: rew_last(mdoc, n->parent);
1.178 schwarze 1404: }
1405:
1.179 schwarze 1406: if (buf[*pos] == '\0' &&
1407: (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
1.178 schwarze 1408: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.179 schwarze 1409: line, ppos, mdoc_macronames[tok]);
1.178 schwarze 1410: return;
1.170 schwarze 1411: }
1.90 schwarze 1412:
1.152 schwarze 1413: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1414: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1415: if (parse_rest(mdoc, tok, line, pos, buf))
1416: return;
1417: rew_elem(mdoc, tok);
1418: }
1419:
1420: /*
1421: * The simplest argument parser available: Parse the remaining
1422: * words until the end of the phrase or line and return 0
1423: * or until the next macro, call that macro, and return 1.
1424: */
1425: static int
1.189 schwarze 1426: parse_rest(struct roff_man *mdoc, int tok, int line, int *pos, char *buf)
1.154 schwarze 1427: {
1428: int la;
1.1 kristaps 1429:
1430: for (;;) {
1431: la = *pos;
1.153 schwarze 1432: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.202 schwarze 1433: return 0;
1.153 schwarze 1434: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.202 schwarze 1435: return 1;
1.1 kristaps 1436: }
1437: }
1438:
1.151 schwarze 1439: static void
1.41 kristaps 1440: ctx_synopsis(MACRO_PROT_ARGS)
1441: {
1.60 kristaps 1442:
1.151 schwarze 1443: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1444: in_line(mdoc, tok, line, ppos, pos, buf);
1445: else if (tok == MDOC_Nm)
1446: blk_full(mdoc, tok, line, ppos, pos, buf);
1447: else {
1448: assert(tok == MDOC_Vt);
1449: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1450: }
1.1 kristaps 1451: }
1452:
1.24 kristaps 1453: /*
1454: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1455: * They're unusual because they're basically free-form text until a
1456: * macro is encountered.
1457: */
1.151 schwarze 1458: static void
1.75 kristaps 1459: phrase_ta(MACRO_PROT_ARGS)
1460: {
1.185 schwarze 1461: struct roff_node *body, *n;
1.75 kristaps 1462:
1.121 schwarze 1463: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1464:
1.167 schwarze 1465: body = NULL;
1466: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 ! schwarze 1467: if (n->flags & NODE_ENDED)
1.167 schwarze 1468: continue;
1.184 schwarze 1469: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1470: body = n;
1.208 schwarze 1471: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1472: break;
1473: }
1474:
1.151 schwarze 1475: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1476: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1477: line, ppos, "Ta");
1.151 schwarze 1478: return;
1.121 schwarze 1479: }
1.75 kristaps 1480:
1.121 schwarze 1481: /* Advance to the next column. */
1.150 schwarze 1482:
1.167 schwarze 1483: rew_last(mdoc, body);
1.190 schwarze 1484: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1485: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1486: }
CVSweb