Annotation of mandoc/mdoc_macro.c, Revision 1.211
1.211 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.210 2017/01/10 13:47:00 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: /*
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) {
1.210 schwarze 717: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 718: target = n;
719: do
720: target = target->parent;
1.210 schwarze 721: while ( ! (target->flags & NODE_ENDED));
1.188 schwarze 722: pending = find_pending(mdoc, ntok, line, ppos,
723: target);
724: } else
725: pending = 0;
726: if ( ! pending)
727: rew_pending(mdoc, n);
728: }
1.150 schwarze 729: if (nl)
730: append_delims(mdoc, line, pos, buf);
1.1 kristaps 731: }
732:
1.151 schwarze 733: static void
1.1 kristaps 734: in_line(MACRO_PROT_ARGS)
735: {
1.144 schwarze 736: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.185 schwarze 737: int ntok;
1.55 kristaps 738: enum margserr ac;
1.67 schwarze 739: enum mdelim d;
1.53 kristaps 740: struct mdoc_arg *arg;
741: char *p;
1.1 kristaps 742:
1.119 schwarze 743: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 744:
1.4 kristaps 745: /*
746: * Whether we allow ignored elements (those without content,
747: * usually because of reserved words) to squeak by.
748: */
1.45 kristaps 749:
1.4 kristaps 750: switch (tok) {
1.131 schwarze 751: case MDOC_An:
752: case MDOC_Ar:
753: case MDOC_Fl:
754: case MDOC_Mt:
755: case MDOC_Nm:
756: case MDOC_Pa:
1.4 kristaps 757: nc = 1;
758: break;
759: default:
760: nc = 0;
761: break;
762: }
763:
1.152 schwarze 764: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 765:
1.144 schwarze 766: d = DELIM_NONE;
767: firstarg = 1;
1.142 schwarze 768: mayopen = 1;
1.70 kristaps 769: for (cnt = scope = 0;; ) {
1.1 kristaps 770: la = *pos;
1.119 schwarze 771: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 772:
1.144 schwarze 773: /*
774: * At the end of a macro line,
775: * opening delimiters do not suppress spacing.
776: */
777:
778: if (ac == ARGS_EOLN) {
779: if (d == DELIM_OPEN)
1.210 schwarze 780: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 781: break;
1.144 schwarze 782: }
783:
784: /*
785: * The rest of the macro line is only punctuation,
786: * to be handled by append_delims().
787: * If there were no other arguments,
788: * do not allow the first one to suppress spacing,
789: * even if it turns out to be a closing one.
790: */
791:
792: if (ac == ARGS_PUNCT) {
1.176 schwarze 793: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 794: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 795: break;
1.144 schwarze 796: }
1.1 kristaps 797:
1.145 schwarze 798: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.191 schwarze 799: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 800:
1.131 schwarze 801: /*
1.4 kristaps 802: * In this case, we've located a submacro and must
803: * execute it. Close out scope, if open. If no
804: * elements have been generated, either create one (nc)
805: * or raise a warning.
806: */
1.1 kristaps 807:
1.191 schwarze 808: if (ntok != TOKEN_NONE) {
1.149 schwarze 809: if (scope)
810: rew_elem(mdoc, tok);
1.150 schwarze 811: if (nc && ! cnt) {
812: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 813: rew_last(mdoc, mdoc->last);
1.150 schwarze 814: } else if ( ! nc && ! cnt) {
1.7 kristaps 815: mdoc_argv_free(arg);
1.135 schwarze 816: mandoc_msg(MANDOCERR_MACRO_EMPTY,
817: mdoc->parse, line, ppos,
818: mdoc_macronames[tok]);
1.7 kristaps 819: }
1.151 schwarze 820: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.150 schwarze 821: if (nl)
822: append_delims(mdoc, line, pos, buf);
1.151 schwarze 823: return;
1.131 schwarze 824: }
1.1 kristaps 825:
1.131 schwarze 826: /*
1.4 kristaps 827: * Non-quote-enclosed punctuation. Set up our scope, if
828: * a word; rewind the scope, if a delimiter; then append
1.131 schwarze 829: * the word.
1.4 kristaps 830: */
1.1 kristaps 831:
1.150 schwarze 832: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.3 kristaps 833:
1.70 kristaps 834: if (DELIM_NONE != d) {
835: /*
836: * If we encounter closing punctuation, no word
1.144 schwarze 837: * has been emitted, no scope is open, and we're
1.70 kristaps 838: * allowed to have an empty element, then start
1.142 schwarze 839: * a new scope.
1.70 kristaps 840: */
1.142 schwarze 841: if ((d == DELIM_CLOSE ||
842: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 843: !cnt && !scope && nc && mayopen) {
1.150 schwarze 844: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 845: scope = 1;
1.142 schwarze 846: cnt++;
1.150 schwarze 847: if (tok == MDOC_Nm)
1.142 schwarze 848: mayopen = 0;
1.70 kristaps 849: }
850: /*
851: * Close out our scope, if one is open, before
852: * any punctuation.
853: */
1.149 schwarze 854: if (scope)
855: rew_elem(mdoc, tok);
1.70 kristaps 856: scope = 0;
1.145 schwarze 857: if (tok == MDOC_Fn)
858: mayopen = 0;
1.142 schwarze 859: } else if (mayopen && !scope) {
1.150 schwarze 860: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 861: scope = 1;
1.142 schwarze 862: cnt++;
1.1 kristaps 863: }
1.105 kristaps 864:
1.150 schwarze 865: dword(mdoc, line, la, p, d,
866: MDOC_JOIN & mdoc_macros[tok].flags);
1.39 kristaps 867:
868: /*
1.144 schwarze 869: * If the first argument is a closing delimiter,
870: * do not suppress spacing before it.
871: */
872:
873: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 874: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 875: firstarg = 0;
876:
877: /*
1.39 kristaps 878: * `Fl' macros have their scope re-opened with each new
879: * word so that the `-' can be added to each one without
880: * having to parse out spaces.
881: */
1.150 schwarze 882: if (scope && tok == MDOC_Fl) {
1.149 schwarze 883: rew_elem(mdoc, tok);
1.70 kristaps 884: scope = 0;
1.39 kristaps 885: }
1.1 kristaps 886: }
887:
1.149 schwarze 888: if (scope)
889: rew_elem(mdoc, tok);
1.4 kristaps 890:
891: /*
892: * If no elements have been collected and we're allowed to have
893: * empties (nc), open a scope and close it out. Otherwise,
894: * raise a warning.
895: */
1.45 kristaps 896:
1.150 schwarze 897: if ( ! cnt) {
898: if (nc) {
899: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
900: rew_last(mdoc, mdoc->last);
901: } else {
902: mdoc_argv_free(arg);
903: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
904: line, ppos, mdoc_macronames[tok]);
905: }
1.7 kristaps 906: }
1.150 schwarze 907: if (nl)
908: append_delims(mdoc, line, pos, buf);
1.1 kristaps 909: }
910:
1.151 schwarze 911: static void
1.1 kristaps 912: blk_full(MACRO_PROT_ARGS)
913: {
1.153 schwarze 914: int la, nl, parsed;
1.1 kristaps 915: struct mdoc_arg *arg;
1.185 schwarze 916: struct roff_node *blk; /* Our own or a broken block. */
917: struct roff_node *head; /* Our own head. */
918: struct roff_node *body; /* Our own body. */
919: struct roff_node *n;
1.59 kristaps 920: enum margserr ac, lac;
1.1 kristaps 921: char *p;
922:
1.119 schwarze 923: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 924:
1.177 schwarze 925: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
926: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
927: line, ppos, mdoc_macronames[tok]);
928: return;
929: }
930:
1.171 schwarze 931: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
932:
933: /* Here, tok is one of Sh Ss Nm Nd It. */
934:
935: blk = NULL;
936: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 937: if (n->flags & NODE_ENDED) {
938: if ( ! (n->flags & NODE_VALID))
939: n->flags |= NODE_BROKEN;
1.183 schwarze 940: continue;
941: }
1.184 schwarze 942: if (n->type != ROFFT_BLOCK)
1.171 schwarze 943: continue;
1.183 schwarze 944:
1.171 schwarze 945: if (tok == MDOC_It && n->tok == MDOC_Bl) {
946: if (blk != NULL) {
947: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
948: mdoc->parse, line, ppos,
949: "It breaks %s",
950: mdoc_macronames[blk->tok]);
951: rew_pending(mdoc, blk);
952: }
953: break;
954: }
955:
956: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
957: switch (tok) {
958: case MDOC_Sh:
959: case MDOC_Ss:
960: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
961: mdoc->parse, line, ppos,
962: "%s breaks %s",
963: mdoc_macronames[tok],
964: mdoc_macronames[n->tok]);
965: rew_pending(mdoc, n);
1.180 schwarze 966: n = mdoc->last;
1.171 schwarze 967: continue;
968: case MDOC_It:
969: /* Delay in case it's astray. */
970: blk = n;
971: continue;
972: default:
973: break;
974: }
975: break;
976: }
977:
978: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 979:
1.171 schwarze 980: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
981: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
982: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 983: break;
1.171 schwarze 984:
985: /* Item breaking an explicit block. */
986:
987: if (blk != NULL) {
988: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
989: mdoc->parse, line, ppos,
990: "It breaks %s",
991: mdoc_macronames[blk->tok]);
992: rew_pending(mdoc, blk);
1.172 schwarze 993: blk = NULL;
1.171 schwarze 994: }
995:
996: /* Close out prior implicit scopes. */
997:
1.211 ! schwarze 998: rew_pending(mdoc, n);
1.171 schwarze 999: }
1000:
1001: /* Skip items outside lists. */
1002:
1003: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.138 schwarze 1004: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1005: line, ppos, "It %s", buf + *pos);
1.193 schwarze 1006: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.149 schwarze 1007: rew_elem(mdoc, MDOC_br);
1.151 schwarze 1008: return;
1.138 schwarze 1009: }
1.1 kristaps 1010: }
1011:
1.45 kristaps 1012: /*
1.109 kristaps 1013: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1014: * macro openings. Implicit ones first close out prior scope
1015: * (seen above). Delay opening the head until necessary to
1016: * allow leading punctuation to print. Special consideration
1017: * for `It -column', which has phrase-part syntax instead of
1018: * regular child nodes.
1019: */
1020:
1.152 schwarze 1021: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1022: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1023: head = body = NULL;
1.115 schwarze 1024:
1025: /*
1026: * Exception: Heads of `It' macros in `-diag' lists are not
1027: * parsed, even though `It' macros in general are parsed.
1028: */
1.151 schwarze 1029:
1.153 schwarze 1030: parsed = tok != MDOC_It ||
1031: mdoc->last->parent->tok != MDOC_Bl ||
1032: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1033:
1.45 kristaps 1034: /*
1035: * The `Nd' macro has all arguments in its body: it's a hybrid
1036: * of block partial-explicit and full-implicit. Stupid.
1037: */
1.19 kristaps 1038:
1.150 schwarze 1039: if (tok == MDOC_Nd) {
1.190 schwarze 1040: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1041: rew_last(mdoc, head);
1.190 schwarze 1042: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1043: }
1044:
1.150 schwarze 1045: if (tok == MDOC_Bk)
1.123 schwarze 1046: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1047:
1.205 schwarze 1048: ac = ARGS_EOLN;
1.150 schwarze 1049: for (;;) {
1.205 schwarze 1050:
1051: /*
1052: * If we are right after a tab character,
1053: * do not parse the first word for macros.
1054: */
1055:
1056: if (mdoc->flags & MDOC_PHRASEQN) {
1057: mdoc->flags &= ~MDOC_PHRASEQN;
1058: mdoc->flags |= MDOC_PHRASEQF;
1059: }
1060:
1.45 kristaps 1061: la = *pos;
1.150 schwarze 1062: lac = ac;
1.119 schwarze 1063: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1064: if (ac == ARGS_EOLN) {
1.205 schwarze 1065: if (lac != ARGS_PHRASE ||
1066: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1067: break;
1.205 schwarze 1068:
1.75 kristaps 1069: /*
1.205 schwarze 1070: * This line ends in a tab; start the next
1071: * column now, with a leading blank.
1.75 kristaps 1072: */
1.205 schwarze 1073:
1.167 schwarze 1074: if (body != NULL)
1075: rew_last(mdoc, body);
1.190 schwarze 1076: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1077: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1078: break;
1.75 kristaps 1079: }
1.205 schwarze 1080:
1.174 schwarze 1081: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1082: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1083: mdoc->parse, line, la, "%s ... %s",
1084: mdoc_macronames[tok], buf + la);
1085: break;
1086: }
1.173 schwarze 1087: if (tok == MDOC_Rs) {
1088: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1089: line, la, "Rs %s", buf + la);
1090: break;
1091: }
1092: if (ac == ARGS_PUNCT)
1093: break;
1.45 kristaps 1094:
1.131 schwarze 1095: /*
1.73 kristaps 1096: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1097: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1098: */
1.45 kristaps 1099:
1.150 schwarze 1100: if (head == NULL &&
1101: ac != ARGS_PHRASE &&
1102: ac != ARGS_QWORD &&
1103: mdoc_isdelim(p) == DELIM_OPEN) {
1104: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1105: continue;
1106: }
1107:
1.74 kristaps 1108: /* Open a head if one hasn't been opened. */
1.45 kristaps 1109:
1.150 schwarze 1110: if (head == NULL)
1.190 schwarze 1111: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1112:
1.205 schwarze 1113: if (ac == ARGS_PHRASE) {
1.151 schwarze 1114:
1.73 kristaps 1115: /*
1.74 kristaps 1116: * If we haven't opened a body yet, rewind the
1117: * head; if we have, rewind that instead.
1118: */
1119:
1.167 schwarze 1120: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1121: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1122:
1.205 schwarze 1123: /* Process to the tab or to the end of the line. */
1.74 kristaps 1124:
1.205 schwarze 1125: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1126: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1127: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1128:
1129: /* There may have been `Ta' macros. */
1130:
1131: while (body->next != NULL)
1132: body = body->next;
1.1 kristaps 1133: continue;
1134: }
1135:
1.153 schwarze 1136: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1137: break;
1.45 kristaps 1138: }
1.1 kristaps 1139:
1.210 schwarze 1140: if (blk->flags & NODE_VALID)
1.165 schwarze 1141: return;
1.150 schwarze 1142: if (head == NULL)
1.190 schwarze 1143: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1144: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1145: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1146: if (body != NULL)
1.77 kristaps 1147: goto out;
1.187 schwarze 1148: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1149: return;
1.47 kristaps 1150:
1.45 kristaps 1151: /* Close out scopes to remain in a consistent state. */
1152:
1.167 schwarze 1153: rew_last(mdoc, head);
1.190 schwarze 1154: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1155: out:
1.150 schwarze 1156: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1157: rew_last(mdoc, body);
1158: rew_last(mdoc, blk);
1.150 schwarze 1159: mdoc->flags &= ~MDOC_FREECOL;
1160: }
1.1 kristaps 1161: }
1162:
1.151 schwarze 1163: static void
1.1 kristaps 1164: blk_part_imp(MACRO_PROT_ARGS)
1165: {
1.63 kristaps 1166: int la, nl;
1.55 kristaps 1167: enum margserr ac;
1.1 kristaps 1168: char *p;
1.185 schwarze 1169: struct roff_node *blk; /* saved block context */
1170: struct roff_node *body; /* saved body context */
1171: struct roff_node *n;
1.1 kristaps 1172:
1.119 schwarze 1173: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1174:
1.43 kristaps 1175: /*
1176: * A macro that spans to the end of the line. This is generally
1177: * (but not necessarily) called as the first macro. The block
1178: * has a head as the immediate child, which is always empty,
1179: * followed by zero or more opening punctuation nodes, then the
1180: * body (which may be empty, depending on the macro), then zero
1181: * or more closing punctuation nodes.
1182: */
1.32 kristaps 1183:
1.150 schwarze 1184: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1185: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1186:
1.43 kristaps 1187: /*
1188: * Open the body scope "on-demand", that is, after we've
1189: * processed all our the leading delimiters (open parenthesis,
1190: * etc.).
1191: */
1.1 kristaps 1192:
1.43 kristaps 1193: for (body = NULL; ; ) {
1.32 kristaps 1194: la = *pos;
1.119 schwarze 1195: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1196: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1197: break;
1198:
1.150 schwarze 1199: if (body == NULL && ac != ARGS_QWORD &&
1200: mdoc_isdelim(p) == DELIM_OPEN) {
1201: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1202: continue;
1.123 schwarze 1203: }
1.1 kristaps 1204:
1.150 schwarze 1205: if (body == NULL)
1.190 schwarze 1206: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1207:
1.153 schwarze 1208: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1209: break;
1.1 kristaps 1210: }
1.150 schwarze 1211: if (body == NULL)
1.190 schwarze 1212: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1213:
1.187 schwarze 1214: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1215: return;
1216:
1.164 schwarze 1217: rew_last(mdoc, body);
1.150 schwarze 1218: if (nl)
1219: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1220: rew_pending(mdoc, blk);
1.117 schwarze 1221:
1222: /* Move trailing .Ns out of scope. */
1223:
1224: for (n = body->child; n && n->next; n = n->next)
1225: /* Do nothing. */ ;
1.150 schwarze 1226: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1227: mdoc_node_relink(mdoc, n);
1.1 kristaps 1228: }
1229:
1.151 schwarze 1230: static void
1.1 kristaps 1231: blk_part_exp(MACRO_PROT_ARGS)
1232: {
1.60 kristaps 1233: int la, nl;
1.55 kristaps 1234: enum margserr ac;
1.185 schwarze 1235: struct roff_node *head; /* keep track of head */
1.1 kristaps 1236: char *p;
1237:
1.119 schwarze 1238: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1239:
1.43 kristaps 1240: /*
1241: * The opening of an explicit macro having zero or more leading
1242: * punctuation nodes; a head with optional single element (the
1243: * case of `Eo'); and a body that may be empty.
1244: */
1.32 kristaps 1245:
1.193 schwarze 1246: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1247: head = NULL;
1248: for (;;) {
1.32 kristaps 1249: la = *pos;
1.119 schwarze 1250: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1251: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1252: break;
1.43 kristaps 1253:
1254: /* Flush out leading punctuation. */
1255:
1.150 schwarze 1256: if (head == NULL && ac != ARGS_QWORD &&
1257: mdoc_isdelim(p) == DELIM_OPEN) {
1258: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1259: continue;
1.123 schwarze 1260: }
1.43 kristaps 1261:
1.150 schwarze 1262: if (head == NULL) {
1.190 schwarze 1263: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1264: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1265: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1266: rew_last(mdoc, head);
1.190 schwarze 1267: roff_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1268: if (tok == MDOC_Eo)
1.43 kristaps 1269: continue;
1.1 kristaps 1270: }
1.43 kristaps 1271:
1.153 schwarze 1272: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1273: break;
1.1 kristaps 1274: }
1275:
1.43 kristaps 1276: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1277:
1.163 schwarze 1278: if (head == NULL) {
1.190 schwarze 1279: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1280: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1281: }
1.150 schwarze 1282: if (nl)
1283: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1284: }
1285:
1.151 schwarze 1286: static void
1.1 kristaps 1287: in_line_argn(MACRO_PROT_ARGS)
1288: {
1.53 kristaps 1289: struct mdoc_arg *arg;
1290: char *p;
1.181 schwarze 1291: enum margserr ac;
1.185 schwarze 1292: int ntok;
1.181 schwarze 1293: int state; /* arg#; -1: not yet open; -2: closed */
1294: int la, maxargs, nl;
1.1 kristaps 1295:
1.156 schwarze 1296: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1297:
1.46 kristaps 1298: /*
1299: * A line macro that has a fixed number of arguments (maxargs).
1300: * Only open the scope once the first non-leading-punctuation is
1301: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1302: * keep it open until the maximum number of arguments are
1303: * exhausted.
1304: */
1.1 kristaps 1305:
1306: switch (tok) {
1.131 schwarze 1307: case MDOC_Ap:
1308: case MDOC_Ns:
1309: case MDOC_Ux:
1.1 kristaps 1310: maxargs = 0;
1311: break;
1.131 schwarze 1312: case MDOC_Bx:
1.132 schwarze 1313: case MDOC_Es:
1.131 schwarze 1314: case MDOC_Xr:
1.42 kristaps 1315: maxargs = 2;
1316: break;
1.1 kristaps 1317: default:
1318: maxargs = 1;
1319: break;
1320: }
1321:
1.152 schwarze 1322: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1323:
1.181 schwarze 1324: state = -1;
1.156 schwarze 1325: p = NULL;
1326: for (;;) {
1.32 kristaps 1327: la = *pos;
1.119 schwarze 1328: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1329:
1330: if (ac == ARGS_WORD && state == -1 &&
1331: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1332: mdoc_isdelim(p) == DELIM_OPEN) {
1333: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1334: continue;
1335: }
1336:
1337: if (state == -1 && tok != MDOC_In &&
1338: tok != MDOC_St && tok != MDOC_Xr) {
1339: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1340: state = 0;
1341: }
1342:
1.156 schwarze 1343: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1344: if (abs(state) < 2 && tok == MDOC_Pf)
1.156 schwarze 1345: mandoc_vmsg(MANDOCERR_PF_SKIP,
1346: mdoc->parse, line, ppos, "Pf %s",
1347: p == NULL ? "at eol" : p);
1.1 kristaps 1348: break;
1.156 schwarze 1349: }
1.1 kristaps 1350:
1.181 schwarze 1351: if (state == maxargs) {
1.149 schwarze 1352: rew_elem(mdoc, tok);
1.181 schwarze 1353: state = -2;
1.46 kristaps 1354: }
1355:
1.181 schwarze 1356: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
1.191 schwarze 1357: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1358:
1.191 schwarze 1359: if (ntok != TOKEN_NONE) {
1.181 schwarze 1360: if (state >= 0) {
1.149 schwarze 1361: rew_elem(mdoc, tok);
1.181 schwarze 1362: state = -2;
1363: }
1.151 schwarze 1364: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1365: break;
1366: }
1367:
1.181 schwarze 1368: if (ac == ARGS_QWORD ||
1369: mdoc_macros[tok].flags & MDOC_IGNDELIM ||
1370: mdoc_isdelim(p) == DELIM_NONE) {
1371: if (state == -1) {
1372: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1373: state = 1;
1374: } else if (state >= 0)
1375: state++;
1376: } else if (state >= 0) {
1.149 schwarze 1377: rew_elem(mdoc, tok);
1.181 schwarze 1378: state = -2;
1.1 kristaps 1379: }
1.42 kristaps 1380:
1.150 schwarze 1381: dword(mdoc, line, la, p, DELIM_MAX,
1382: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1383: }
1384:
1.181 schwarze 1385: if (state == -1) {
1386: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1387: line, ppos, mdoc_macronames[tok]);
1388: return;
1.156 schwarze 1389: }
1.181 schwarze 1390:
1391: if (state == 0 && tok == MDOC_Pf)
1392: append_delims(mdoc, line, pos, buf);
1393: if (state >= 0)
1.149 schwarze 1394: rew_elem(mdoc, tok);
1.150 schwarze 1395: if (nl)
1396: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1397: }
1398:
1.151 schwarze 1399: static void
1.1 kristaps 1400: in_line_eoln(MACRO_PROT_ARGS)
1401: {
1.185 schwarze 1402: struct roff_node *n;
1.170 schwarze 1403: struct mdoc_arg *arg;
1.1 kristaps 1404:
1.170 schwarze 1405: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1406: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1407: n = mdoc->last;
1.189 schwarze 1408: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1409: n = n->parent;
1410: if (n->tok == MDOC_Nm)
1.198 schwarze 1411: rew_last(mdoc, n->parent);
1.178 schwarze 1412: }
1413:
1.179 schwarze 1414: if (buf[*pos] == '\0' &&
1415: (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
1.178 schwarze 1416: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.179 schwarze 1417: line, ppos, mdoc_macronames[tok]);
1.178 schwarze 1418: return;
1.170 schwarze 1419: }
1.90 schwarze 1420:
1.152 schwarze 1421: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1422: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1423: if (parse_rest(mdoc, tok, line, pos, buf))
1424: return;
1425: rew_elem(mdoc, tok);
1426: }
1427:
1428: /*
1429: * The simplest argument parser available: Parse the remaining
1430: * words until the end of the phrase or line and return 0
1431: * or until the next macro, call that macro, and return 1.
1432: */
1433: static int
1.189 schwarze 1434: parse_rest(struct roff_man *mdoc, int tok, int line, int *pos, char *buf)
1.154 schwarze 1435: {
1436: int la;
1.1 kristaps 1437:
1438: for (;;) {
1439: la = *pos;
1.153 schwarze 1440: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.202 schwarze 1441: return 0;
1.153 schwarze 1442: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.202 schwarze 1443: return 1;
1.1 kristaps 1444: }
1445: }
1446:
1.151 schwarze 1447: static void
1.41 kristaps 1448: ctx_synopsis(MACRO_PROT_ARGS)
1449: {
1.60 kristaps 1450:
1.151 schwarze 1451: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1452: in_line(mdoc, tok, line, ppos, pos, buf);
1453: else if (tok == MDOC_Nm)
1454: blk_full(mdoc, tok, line, ppos, pos, buf);
1455: else {
1456: assert(tok == MDOC_Vt);
1457: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1458: }
1.1 kristaps 1459: }
1460:
1.24 kristaps 1461: /*
1462: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1463: * They're unusual because they're basically free-form text until a
1464: * macro is encountered.
1465: */
1.151 schwarze 1466: static void
1.75 kristaps 1467: phrase_ta(MACRO_PROT_ARGS)
1468: {
1.185 schwarze 1469: struct roff_node *body, *n;
1.75 kristaps 1470:
1.121 schwarze 1471: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1472:
1.167 schwarze 1473: body = NULL;
1474: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1475: if (n->flags & NODE_ENDED)
1.167 schwarze 1476: continue;
1.184 schwarze 1477: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1478: body = n;
1.208 schwarze 1479: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1480: break;
1481: }
1482:
1.151 schwarze 1483: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1484: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1485: line, ppos, "Ta");
1.151 schwarze 1486: return;
1.121 schwarze 1487: }
1.75 kristaps 1488:
1.121 schwarze 1489: /* Advance to the next column. */
1.150 schwarze 1490:
1.167 schwarze 1491: rew_last(mdoc, body);
1.190 schwarze 1492: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1493: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1494: }
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