Annotation of mandoc/mdoc_macro.c, Revision 1.212
1.212 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.211 2017/02/10 16:20:34 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;
1.212 ! schwarze 401: n->flags |= NODE_BROKEN;
1.187 schwarze 402: if (target->type == ROFFT_HEAD)
1.212 ! schwarze 403: target->flags |= NODE_ENDED;
1.210 schwarze 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: /*
1.211 schwarze 578: * Mismatching end macros can never break anything
1.209 schwarze 579: * and we only care about the breaking of BLOCKs.
580: */
1.83 schwarze 581:
1.211 schwarze 582: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 583: continue;
1.160 schwarze 584:
1.211 schwarze 585: /*
586: * SYNOPSIS name blocks can not be broken themselves,
587: * but they do get broken together with a broken child.
588: */
589:
590: if (n->tok == MDOC_Nm) {
591: if (later != NULL)
592: n->flags |= NODE_BROKEN | NODE_ENDED;
593: continue;
594: }
595:
1.160 schwarze 596: if (n->tok == MDOC_It) {
1.171 schwarze 597: itblk = n;
1.160 schwarze 598: continue;
599: }
600:
1.83 schwarze 601: if (atok == n->tok) {
602: assert(body);
603:
604: /*
605: * Found the start of our own block.
606: * When there is no pending sub block,
607: * just proceed to closing out.
608: */
1.151 schwarze 609:
1.160 schwarze 610: if (later == NULL ||
1.171 schwarze 611: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 612: break;
613:
1.131 schwarze 614: /*
1.167 schwarze 615: * When there is a pending sub block, postpone
616: * closing out the current block until the
617: * rew_pending() closing out the sub-block.
1.83 schwarze 618: * Mark the place where the formatting - but not
619: * the scope - of the current block ends.
620: */
1.151 schwarze 621:
1.183 schwarze 622: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
623: line, ppos, "%s breaks %s",
624: mdoc_macronames[atok],
625: mdoc_macronames[later->tok]);
626:
1.166 schwarze 627: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.150 schwarze 628: atok, body, ENDBODY_SPACE);
1.151 schwarze 629:
1.183 schwarze 630: if (tok == MDOC_El)
1.210 schwarze 631: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 632:
1.151 schwarze 633: /*
634: * If a block closing macro taking arguments
635: * breaks another block, put the arguments
1.166 schwarze 636: * into the end marker.
1.151 schwarze 637: */
638:
1.166 schwarze 639: if (maxargs)
1.189 schwarze 640: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 641: break;
1.182 schwarze 642: }
643:
644: /* Explicit blocks close out description lines. */
645:
646: if (n->tok == MDOC_Nd) {
647: rew_last(mdoc, n);
648: continue;
1.83 schwarze 649: }
650:
1.183 schwarze 651: /* Breaking an open sub block. */
1.151 schwarze 652:
1.210 schwarze 653: n->flags |= NODE_BROKEN;
1.183 schwarze 654: if (later == NULL)
1.83 schwarze 655: later = n;
656: }
1.166 schwarze 657:
658: if (body == NULL) {
659: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
660: line, ppos, mdoc_macronames[tok]);
661: if (maxargs && endbody == NULL) {
662: /*
663: * Stray .Ec without previous .Eo:
664: * Break the output line, keep the arguments.
665: */
1.193 schwarze 666: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.166 schwarze 667: rew_elem(mdoc, MDOC_br);
668: }
669: } else if (endbody == NULL) {
670: rew_last(mdoc, body);
671: if (maxargs)
672: mdoc_tail_alloc(mdoc, line, ppos, atok);
673: }
1.83 schwarze 674:
1.150 schwarze 675: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
676: if (buf[*pos] != '\0')
1.136 schwarze 677: mandoc_vmsg(MANDOCERR_ARG_SKIP,
678: mdoc->parse, line, ppos,
679: "%s %s", mdoc_macronames[tok],
680: buf + *pos);
1.171 schwarze 681: if (endbody == NULL && n != NULL)
1.167 schwarze 682: rew_pending(mdoc, n);
1.151 schwarze 683: return;
1.1 kristaps 684: }
685:
1.166 schwarze 686: if (endbody != NULL)
687: n = endbody;
1.197 schwarze 688:
689: ntok = TOKEN_NONE;
1.148 schwarze 690: for (j = 0; ; j++) {
1.1 kristaps 691: lastarg = *pos;
692:
1.186 schwarze 693: if (j == maxargs && n != NULL)
694: rew_last(mdoc, n);
1.1 kristaps 695:
1.119 schwarze 696: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 697: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 698: break;
699:
1.191 schwarze 700: ntok = ac == ARGS_QWORD ? TOKEN_NONE :
1.155 schwarze 701: lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 702:
1.191 schwarze 703: if (ntok == TOKEN_NONE) {
1.150 schwarze 704: dword(mdoc, line, lastarg, p, DELIM_MAX,
705: MDOC_JOIN & mdoc_macros[tok].flags);
1.54 kristaps 706: continue;
707: }
1.1 kristaps 708:
1.186 schwarze 709: if (n != NULL)
710: rew_last(mdoc, n);
1.122 schwarze 711: mdoc->flags &= ~MDOC_NEWLINE;
1.151 schwarze 712: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 713: break;
1.1 kristaps 714: }
715:
1.188 schwarze 716: if (n != NULL) {
1.212 ! schwarze 717: pending = 0;
1.210 schwarze 718: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 719: target = n;
720: do
721: target = target->parent;
1.210 schwarze 722: while ( ! (target->flags & NODE_ENDED));
1.212 ! schwarze 723: if ( ! (target->flags & NODE_VALID))
! 724: pending = find_pending(mdoc, ntok,
! 725: line, ppos, target);
! 726: }
1.188 schwarze 727: if ( ! pending)
728: rew_pending(mdoc, n);
729: }
1.150 schwarze 730: if (nl)
731: append_delims(mdoc, line, pos, buf);
1.1 kristaps 732: }
733:
1.151 schwarze 734: static void
1.1 kristaps 735: in_line(MACRO_PROT_ARGS)
736: {
1.144 schwarze 737: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.185 schwarze 738: int ntok;
1.55 kristaps 739: enum margserr ac;
1.67 schwarze 740: enum mdelim d;
1.53 kristaps 741: struct mdoc_arg *arg;
742: char *p;
1.1 kristaps 743:
1.119 schwarze 744: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 745:
1.4 kristaps 746: /*
747: * Whether we allow ignored elements (those without content,
748: * usually because of reserved words) to squeak by.
749: */
1.45 kristaps 750:
1.4 kristaps 751: switch (tok) {
1.131 schwarze 752: case MDOC_An:
753: case MDOC_Ar:
754: case MDOC_Fl:
755: case MDOC_Mt:
756: case MDOC_Nm:
757: case MDOC_Pa:
1.4 kristaps 758: nc = 1;
759: break;
760: default:
761: nc = 0;
762: break;
763: }
764:
1.152 schwarze 765: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 766:
1.144 schwarze 767: d = DELIM_NONE;
768: firstarg = 1;
1.142 schwarze 769: mayopen = 1;
1.70 kristaps 770: for (cnt = scope = 0;; ) {
1.1 kristaps 771: la = *pos;
1.119 schwarze 772: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 773:
1.144 schwarze 774: /*
775: * At the end of a macro line,
776: * opening delimiters do not suppress spacing.
777: */
778:
779: if (ac == ARGS_EOLN) {
780: if (d == DELIM_OPEN)
1.210 schwarze 781: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 782: break;
1.144 schwarze 783: }
784:
785: /*
786: * The rest of the macro line is only punctuation,
787: * to be handled by append_delims().
788: * If there were no other arguments,
789: * do not allow the first one to suppress spacing,
790: * even if it turns out to be a closing one.
791: */
792:
793: if (ac == ARGS_PUNCT) {
1.176 schwarze 794: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 795: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 796: break;
1.144 schwarze 797: }
1.1 kristaps 798:
1.145 schwarze 799: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.191 schwarze 800: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 801:
1.131 schwarze 802: /*
1.4 kristaps 803: * In this case, we've located a submacro and must
804: * execute it. Close out scope, if open. If no
805: * elements have been generated, either create one (nc)
806: * or raise a warning.
807: */
1.1 kristaps 808:
1.191 schwarze 809: if (ntok != TOKEN_NONE) {
1.149 schwarze 810: if (scope)
811: rew_elem(mdoc, tok);
1.150 schwarze 812: if (nc && ! cnt) {
813: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 814: rew_last(mdoc, mdoc->last);
1.150 schwarze 815: } else if ( ! nc && ! cnt) {
1.7 kristaps 816: mdoc_argv_free(arg);
1.135 schwarze 817: mandoc_msg(MANDOCERR_MACRO_EMPTY,
818: mdoc->parse, line, ppos,
819: mdoc_macronames[tok]);
1.7 kristaps 820: }
1.151 schwarze 821: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.150 schwarze 822: if (nl)
823: append_delims(mdoc, line, pos, buf);
1.151 schwarze 824: return;
1.131 schwarze 825: }
1.1 kristaps 826:
1.131 schwarze 827: /*
1.4 kristaps 828: * Non-quote-enclosed punctuation. Set up our scope, if
829: * a word; rewind the scope, if a delimiter; then append
1.131 schwarze 830: * the word.
1.4 kristaps 831: */
1.1 kristaps 832:
1.150 schwarze 833: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.3 kristaps 834:
1.70 kristaps 835: if (DELIM_NONE != d) {
836: /*
837: * If we encounter closing punctuation, no word
1.144 schwarze 838: * has been emitted, no scope is open, and we're
1.70 kristaps 839: * allowed to have an empty element, then start
1.142 schwarze 840: * a new scope.
1.70 kristaps 841: */
1.142 schwarze 842: if ((d == DELIM_CLOSE ||
843: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 844: !cnt && !scope && nc && mayopen) {
1.150 schwarze 845: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 846: scope = 1;
1.142 schwarze 847: cnt++;
1.150 schwarze 848: if (tok == MDOC_Nm)
1.142 schwarze 849: mayopen = 0;
1.70 kristaps 850: }
851: /*
852: * Close out our scope, if one is open, before
853: * any punctuation.
854: */
1.149 schwarze 855: if (scope)
856: rew_elem(mdoc, tok);
1.70 kristaps 857: scope = 0;
1.145 schwarze 858: if (tok == MDOC_Fn)
859: mayopen = 0;
1.142 schwarze 860: } else if (mayopen && !scope) {
1.150 schwarze 861: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 862: scope = 1;
1.142 schwarze 863: cnt++;
1.1 kristaps 864: }
1.105 kristaps 865:
1.150 schwarze 866: dword(mdoc, line, la, p, d,
867: MDOC_JOIN & mdoc_macros[tok].flags);
1.39 kristaps 868:
869: /*
1.144 schwarze 870: * If the first argument is a closing delimiter,
871: * do not suppress spacing before it.
872: */
873:
874: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 875: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 876: firstarg = 0;
877:
878: /*
1.39 kristaps 879: * `Fl' macros have their scope re-opened with each new
880: * word so that the `-' can be added to each one without
881: * having to parse out spaces.
882: */
1.150 schwarze 883: if (scope && tok == MDOC_Fl) {
1.149 schwarze 884: rew_elem(mdoc, tok);
1.70 kristaps 885: scope = 0;
1.39 kristaps 886: }
1.1 kristaps 887: }
888:
1.149 schwarze 889: if (scope)
890: rew_elem(mdoc, tok);
1.4 kristaps 891:
892: /*
893: * If no elements have been collected and we're allowed to have
894: * empties (nc), open a scope and close it out. Otherwise,
895: * raise a warning.
896: */
1.45 kristaps 897:
1.150 schwarze 898: if ( ! cnt) {
899: if (nc) {
900: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
901: rew_last(mdoc, mdoc->last);
902: } else {
903: mdoc_argv_free(arg);
904: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
905: line, ppos, mdoc_macronames[tok]);
906: }
1.7 kristaps 907: }
1.150 schwarze 908: if (nl)
909: append_delims(mdoc, line, pos, buf);
1.1 kristaps 910: }
911:
1.151 schwarze 912: static void
1.1 kristaps 913: blk_full(MACRO_PROT_ARGS)
914: {
1.153 schwarze 915: int la, nl, parsed;
1.1 kristaps 916: struct mdoc_arg *arg;
1.185 schwarze 917: struct roff_node *blk; /* Our own or a broken block. */
918: struct roff_node *head; /* Our own head. */
919: struct roff_node *body; /* Our own body. */
920: struct roff_node *n;
1.59 kristaps 921: enum margserr ac, lac;
1.1 kristaps 922: char *p;
923:
1.119 schwarze 924: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 925:
1.177 schwarze 926: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
927: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
928: line, ppos, mdoc_macronames[tok]);
929: return;
930: }
931:
1.171 schwarze 932: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
933:
934: /* Here, tok is one of Sh Ss Nm Nd It. */
935:
936: blk = NULL;
937: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 938: if (n->flags & NODE_ENDED) {
939: if ( ! (n->flags & NODE_VALID))
940: n->flags |= NODE_BROKEN;
1.183 schwarze 941: continue;
942: }
1.184 schwarze 943: if (n->type != ROFFT_BLOCK)
1.171 schwarze 944: continue;
1.183 schwarze 945:
1.171 schwarze 946: if (tok == MDOC_It && n->tok == MDOC_Bl) {
947: if (blk != NULL) {
948: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
949: mdoc->parse, line, ppos,
950: "It breaks %s",
951: mdoc_macronames[blk->tok]);
952: rew_pending(mdoc, blk);
953: }
954: break;
955: }
956:
957: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
958: switch (tok) {
959: case MDOC_Sh:
960: case MDOC_Ss:
961: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
962: mdoc->parse, line, ppos,
963: "%s breaks %s",
964: mdoc_macronames[tok],
965: mdoc_macronames[n->tok]);
966: rew_pending(mdoc, n);
1.180 schwarze 967: n = mdoc->last;
1.171 schwarze 968: continue;
969: case MDOC_It:
970: /* Delay in case it's astray. */
971: blk = n;
972: continue;
973: default:
974: break;
975: }
976: break;
977: }
978:
979: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 980:
1.171 schwarze 981: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
982: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
983: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 984: break;
1.171 schwarze 985:
986: /* Item breaking an explicit block. */
987:
988: if (blk != NULL) {
989: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
990: mdoc->parse, line, ppos,
991: "It breaks %s",
992: mdoc_macronames[blk->tok]);
993: rew_pending(mdoc, blk);
1.172 schwarze 994: blk = NULL;
1.171 schwarze 995: }
996:
997: /* Close out prior implicit scopes. */
998:
1.211 schwarze 999: rew_pending(mdoc, n);
1.171 schwarze 1000: }
1001:
1002: /* Skip items outside lists. */
1003:
1004: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.138 schwarze 1005: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1006: line, ppos, "It %s", buf + *pos);
1.193 schwarze 1007: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.149 schwarze 1008: rew_elem(mdoc, MDOC_br);
1.151 schwarze 1009: return;
1.138 schwarze 1010: }
1.1 kristaps 1011: }
1012:
1.45 kristaps 1013: /*
1.109 kristaps 1014: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1015: * macro openings. Implicit ones first close out prior scope
1016: * (seen above). Delay opening the head until necessary to
1017: * allow leading punctuation to print. Special consideration
1018: * for `It -column', which has phrase-part syntax instead of
1019: * regular child nodes.
1020: */
1021:
1.152 schwarze 1022: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1023: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1024: head = body = NULL;
1.115 schwarze 1025:
1026: /*
1027: * Exception: Heads of `It' macros in `-diag' lists are not
1028: * parsed, even though `It' macros in general are parsed.
1029: */
1.151 schwarze 1030:
1.153 schwarze 1031: parsed = tok != MDOC_It ||
1032: mdoc->last->parent->tok != MDOC_Bl ||
1033: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1034:
1.45 kristaps 1035: /*
1036: * The `Nd' macro has all arguments in its body: it's a hybrid
1037: * of block partial-explicit and full-implicit. Stupid.
1038: */
1.19 kristaps 1039:
1.150 schwarze 1040: if (tok == MDOC_Nd) {
1.190 schwarze 1041: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1042: rew_last(mdoc, head);
1.190 schwarze 1043: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1044: }
1045:
1.150 schwarze 1046: if (tok == MDOC_Bk)
1.123 schwarze 1047: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1048:
1.205 schwarze 1049: ac = ARGS_EOLN;
1.150 schwarze 1050: for (;;) {
1.205 schwarze 1051:
1052: /*
1053: * If we are right after a tab character,
1054: * do not parse the first word for macros.
1055: */
1056:
1057: if (mdoc->flags & MDOC_PHRASEQN) {
1058: mdoc->flags &= ~MDOC_PHRASEQN;
1059: mdoc->flags |= MDOC_PHRASEQF;
1060: }
1061:
1.45 kristaps 1062: la = *pos;
1.150 schwarze 1063: lac = ac;
1.119 schwarze 1064: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1065: if (ac == ARGS_EOLN) {
1.205 schwarze 1066: if (lac != ARGS_PHRASE ||
1067: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1068: break;
1.205 schwarze 1069:
1.75 kristaps 1070: /*
1.205 schwarze 1071: * This line ends in a tab; start the next
1072: * column now, with a leading blank.
1.75 kristaps 1073: */
1.205 schwarze 1074:
1.167 schwarze 1075: if (body != NULL)
1076: rew_last(mdoc, body);
1.190 schwarze 1077: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1078: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1079: break;
1.75 kristaps 1080: }
1.205 schwarze 1081:
1.174 schwarze 1082: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1083: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1084: mdoc->parse, line, la, "%s ... %s",
1085: mdoc_macronames[tok], buf + la);
1086: break;
1087: }
1.173 schwarze 1088: if (tok == MDOC_Rs) {
1089: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1090: line, la, "Rs %s", buf + la);
1091: break;
1092: }
1093: if (ac == ARGS_PUNCT)
1094: break;
1.45 kristaps 1095:
1.131 schwarze 1096: /*
1.73 kristaps 1097: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1098: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1099: */
1.45 kristaps 1100:
1.150 schwarze 1101: if (head == NULL &&
1102: ac != ARGS_PHRASE &&
1103: ac != ARGS_QWORD &&
1104: mdoc_isdelim(p) == DELIM_OPEN) {
1105: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1106: continue;
1107: }
1108:
1.74 kristaps 1109: /* Open a head if one hasn't been opened. */
1.45 kristaps 1110:
1.150 schwarze 1111: if (head == NULL)
1.190 schwarze 1112: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1113:
1.205 schwarze 1114: if (ac == ARGS_PHRASE) {
1.151 schwarze 1115:
1.73 kristaps 1116: /*
1.74 kristaps 1117: * If we haven't opened a body yet, rewind the
1118: * head; if we have, rewind that instead.
1119: */
1120:
1.167 schwarze 1121: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1122: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1123:
1.205 schwarze 1124: /* Process to the tab or to the end of the line. */
1.74 kristaps 1125:
1.205 schwarze 1126: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1127: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1128: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1129:
1130: /* There may have been `Ta' macros. */
1131:
1132: while (body->next != NULL)
1133: body = body->next;
1.1 kristaps 1134: continue;
1135: }
1136:
1.153 schwarze 1137: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1138: break;
1.45 kristaps 1139: }
1.1 kristaps 1140:
1.210 schwarze 1141: if (blk->flags & NODE_VALID)
1.165 schwarze 1142: return;
1.150 schwarze 1143: if (head == NULL)
1.190 schwarze 1144: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1145: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1146: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1147: if (body != NULL)
1.77 kristaps 1148: goto out;
1.187 schwarze 1149: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1150: return;
1.47 kristaps 1151:
1.45 kristaps 1152: /* Close out scopes to remain in a consistent state. */
1153:
1.167 schwarze 1154: rew_last(mdoc, head);
1.190 schwarze 1155: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1156: out:
1.150 schwarze 1157: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1158: rew_last(mdoc, body);
1159: rew_last(mdoc, blk);
1.150 schwarze 1160: mdoc->flags &= ~MDOC_FREECOL;
1161: }
1.1 kristaps 1162: }
1163:
1.151 schwarze 1164: static void
1.1 kristaps 1165: blk_part_imp(MACRO_PROT_ARGS)
1166: {
1.63 kristaps 1167: int la, nl;
1.55 kristaps 1168: enum margserr ac;
1.1 kristaps 1169: char *p;
1.185 schwarze 1170: struct roff_node *blk; /* saved block context */
1171: struct roff_node *body; /* saved body context */
1172: struct roff_node *n;
1.1 kristaps 1173:
1.119 schwarze 1174: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1175:
1.43 kristaps 1176: /*
1177: * A macro that spans to the end of the line. This is generally
1178: * (but not necessarily) called as the first macro. The block
1179: * has a head as the immediate child, which is always empty,
1180: * followed by zero or more opening punctuation nodes, then the
1181: * body (which may be empty, depending on the macro), then zero
1182: * or more closing punctuation nodes.
1183: */
1.32 kristaps 1184:
1.150 schwarze 1185: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1186: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1187:
1.43 kristaps 1188: /*
1189: * Open the body scope "on-demand", that is, after we've
1190: * processed all our the leading delimiters (open parenthesis,
1191: * etc.).
1192: */
1.1 kristaps 1193:
1.43 kristaps 1194: for (body = NULL; ; ) {
1.32 kristaps 1195: la = *pos;
1.119 schwarze 1196: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1197: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1198: break;
1199:
1.150 schwarze 1200: if (body == NULL && ac != ARGS_QWORD &&
1201: mdoc_isdelim(p) == DELIM_OPEN) {
1202: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1203: continue;
1.123 schwarze 1204: }
1.1 kristaps 1205:
1.150 schwarze 1206: if (body == NULL)
1.190 schwarze 1207: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1208:
1.153 schwarze 1209: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1210: break;
1.1 kristaps 1211: }
1.150 schwarze 1212: if (body == NULL)
1.190 schwarze 1213: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1214:
1.187 schwarze 1215: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1216: return;
1217:
1.164 schwarze 1218: rew_last(mdoc, body);
1.150 schwarze 1219: if (nl)
1220: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1221: rew_pending(mdoc, blk);
1.117 schwarze 1222:
1223: /* Move trailing .Ns out of scope. */
1224:
1225: for (n = body->child; n && n->next; n = n->next)
1226: /* Do nothing. */ ;
1.150 schwarze 1227: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1228: mdoc_node_relink(mdoc, n);
1.1 kristaps 1229: }
1230:
1.151 schwarze 1231: static void
1.1 kristaps 1232: blk_part_exp(MACRO_PROT_ARGS)
1233: {
1.60 kristaps 1234: int la, nl;
1.55 kristaps 1235: enum margserr ac;
1.185 schwarze 1236: struct roff_node *head; /* keep track of head */
1.1 kristaps 1237: char *p;
1238:
1.119 schwarze 1239: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1240:
1.43 kristaps 1241: /*
1242: * The opening of an explicit macro having zero or more leading
1243: * punctuation nodes; a head with optional single element (the
1244: * case of `Eo'); and a body that may be empty.
1245: */
1.32 kristaps 1246:
1.193 schwarze 1247: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1248: head = NULL;
1249: for (;;) {
1.32 kristaps 1250: la = *pos;
1.119 schwarze 1251: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1252: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1253: break;
1.43 kristaps 1254:
1255: /* Flush out leading punctuation. */
1256:
1.150 schwarze 1257: if (head == NULL && ac != ARGS_QWORD &&
1258: mdoc_isdelim(p) == DELIM_OPEN) {
1259: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1260: continue;
1.123 schwarze 1261: }
1.43 kristaps 1262:
1.150 schwarze 1263: if (head == NULL) {
1.190 schwarze 1264: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1265: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1266: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1267: rew_last(mdoc, head);
1.190 schwarze 1268: roff_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1269: if (tok == MDOC_Eo)
1.43 kristaps 1270: continue;
1.1 kristaps 1271: }
1.43 kristaps 1272:
1.153 schwarze 1273: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1274: break;
1.1 kristaps 1275: }
1276:
1.43 kristaps 1277: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1278:
1.163 schwarze 1279: if (head == NULL) {
1.190 schwarze 1280: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1281: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1282: }
1.150 schwarze 1283: if (nl)
1284: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1285: }
1286:
1.151 schwarze 1287: static void
1.1 kristaps 1288: in_line_argn(MACRO_PROT_ARGS)
1289: {
1.53 kristaps 1290: struct mdoc_arg *arg;
1291: char *p;
1.181 schwarze 1292: enum margserr ac;
1.185 schwarze 1293: int ntok;
1.181 schwarze 1294: int state; /* arg#; -1: not yet open; -2: closed */
1295: int la, maxargs, nl;
1.1 kristaps 1296:
1.156 schwarze 1297: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1298:
1.46 kristaps 1299: /*
1300: * A line macro that has a fixed number of arguments (maxargs).
1301: * Only open the scope once the first non-leading-punctuation is
1302: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1303: * keep it open until the maximum number of arguments are
1304: * exhausted.
1305: */
1.1 kristaps 1306:
1307: switch (tok) {
1.131 schwarze 1308: case MDOC_Ap:
1309: case MDOC_Ns:
1310: case MDOC_Ux:
1.1 kristaps 1311: maxargs = 0;
1312: break;
1.131 schwarze 1313: case MDOC_Bx:
1.132 schwarze 1314: case MDOC_Es:
1.131 schwarze 1315: case MDOC_Xr:
1.42 kristaps 1316: maxargs = 2;
1317: break;
1.1 kristaps 1318: default:
1319: maxargs = 1;
1320: break;
1321: }
1322:
1.152 schwarze 1323: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1324:
1.181 schwarze 1325: state = -1;
1.156 schwarze 1326: p = NULL;
1327: for (;;) {
1.32 kristaps 1328: la = *pos;
1.119 schwarze 1329: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1330:
1331: if (ac == ARGS_WORD && state == -1 &&
1332: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1333: mdoc_isdelim(p) == DELIM_OPEN) {
1334: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1335: continue;
1336: }
1337:
1338: if (state == -1 && tok != MDOC_In &&
1339: tok != MDOC_St && tok != MDOC_Xr) {
1340: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1341: state = 0;
1342: }
1343:
1.156 schwarze 1344: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1345: if (abs(state) < 2 && tok == MDOC_Pf)
1.156 schwarze 1346: mandoc_vmsg(MANDOCERR_PF_SKIP,
1347: mdoc->parse, line, ppos, "Pf %s",
1348: p == NULL ? "at eol" : p);
1.1 kristaps 1349: break;
1.156 schwarze 1350: }
1.1 kristaps 1351:
1.181 schwarze 1352: if (state == maxargs) {
1.149 schwarze 1353: rew_elem(mdoc, tok);
1.181 schwarze 1354: state = -2;
1.46 kristaps 1355: }
1356:
1.181 schwarze 1357: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
1.191 schwarze 1358: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1359:
1.191 schwarze 1360: if (ntok != TOKEN_NONE) {
1.181 schwarze 1361: if (state >= 0) {
1.149 schwarze 1362: rew_elem(mdoc, tok);
1.181 schwarze 1363: state = -2;
1364: }
1.151 schwarze 1365: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1366: break;
1367: }
1368:
1.181 schwarze 1369: if (ac == ARGS_QWORD ||
1370: mdoc_macros[tok].flags & MDOC_IGNDELIM ||
1371: mdoc_isdelim(p) == DELIM_NONE) {
1372: if (state == -1) {
1373: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1374: state = 1;
1375: } else if (state >= 0)
1376: state++;
1377: } else if (state >= 0) {
1.149 schwarze 1378: rew_elem(mdoc, tok);
1.181 schwarze 1379: state = -2;
1.1 kristaps 1380: }
1.42 kristaps 1381:
1.150 schwarze 1382: dword(mdoc, line, la, p, DELIM_MAX,
1383: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1384: }
1385:
1.181 schwarze 1386: if (state == -1) {
1387: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1388: line, ppos, mdoc_macronames[tok]);
1389: return;
1.156 schwarze 1390: }
1.181 schwarze 1391:
1392: if (state == 0 && tok == MDOC_Pf)
1393: append_delims(mdoc, line, pos, buf);
1394: if (state >= 0)
1.149 schwarze 1395: rew_elem(mdoc, tok);
1.150 schwarze 1396: if (nl)
1397: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1398: }
1399:
1.151 schwarze 1400: static void
1.1 kristaps 1401: in_line_eoln(MACRO_PROT_ARGS)
1402: {
1.185 schwarze 1403: struct roff_node *n;
1.170 schwarze 1404: struct mdoc_arg *arg;
1.1 kristaps 1405:
1.170 schwarze 1406: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1407: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1408: n = mdoc->last;
1.189 schwarze 1409: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1410: n = n->parent;
1411: if (n->tok == MDOC_Nm)
1.198 schwarze 1412: rew_last(mdoc, n->parent);
1.178 schwarze 1413: }
1414:
1.179 schwarze 1415: if (buf[*pos] == '\0' &&
1416: (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
1.178 schwarze 1417: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.179 schwarze 1418: line, ppos, mdoc_macronames[tok]);
1.178 schwarze 1419: return;
1.170 schwarze 1420: }
1.90 schwarze 1421:
1.152 schwarze 1422: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1423: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1424: if (parse_rest(mdoc, tok, line, pos, buf))
1425: return;
1426: rew_elem(mdoc, tok);
1427: }
1428:
1429: /*
1430: * The simplest argument parser available: Parse the remaining
1431: * words until the end of the phrase or line and return 0
1432: * or until the next macro, call that macro, and return 1.
1433: */
1434: static int
1.189 schwarze 1435: parse_rest(struct roff_man *mdoc, int tok, int line, int *pos, char *buf)
1.154 schwarze 1436: {
1437: int la;
1.1 kristaps 1438:
1439: for (;;) {
1440: la = *pos;
1.153 schwarze 1441: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.202 schwarze 1442: return 0;
1.153 schwarze 1443: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.202 schwarze 1444: return 1;
1.1 kristaps 1445: }
1446: }
1447:
1.151 schwarze 1448: static void
1.41 kristaps 1449: ctx_synopsis(MACRO_PROT_ARGS)
1450: {
1.60 kristaps 1451:
1.151 schwarze 1452: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1453: in_line(mdoc, tok, line, ppos, pos, buf);
1454: else if (tok == MDOC_Nm)
1455: blk_full(mdoc, tok, line, ppos, pos, buf);
1456: else {
1457: assert(tok == MDOC_Vt);
1458: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1459: }
1.1 kristaps 1460: }
1461:
1.24 kristaps 1462: /*
1463: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1464: * They're unusual because they're basically free-form text until a
1465: * macro is encountered.
1466: */
1.151 schwarze 1467: static void
1.75 kristaps 1468: phrase_ta(MACRO_PROT_ARGS)
1469: {
1.185 schwarze 1470: struct roff_node *body, *n;
1.75 kristaps 1471:
1.121 schwarze 1472: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1473:
1.167 schwarze 1474: body = NULL;
1475: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1476: if (n->flags & NODE_ENDED)
1.167 schwarze 1477: continue;
1.184 schwarze 1478: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1479: body = n;
1.208 schwarze 1480: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1481: break;
1482: }
1483:
1.151 schwarze 1484: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1485: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1486: line, ppos, "Ta");
1.151 schwarze 1487: return;
1.121 schwarze 1488: }
1.75 kristaps 1489:
1.121 schwarze 1490: /* Advance to the next column. */
1.150 schwarze 1491:
1.167 schwarze 1492: rew_last(mdoc, body);
1.190 schwarze 1493: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1494: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1495: }
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