Annotation of mandoc/mdoc_macro.c, Revision 1.213
1.213 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.212 2017/02/10 22:19:18 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);
1.213 ! schwarze 53: static void break_intermediate(struct roff_node *,
! 54: struct roff_node *);
1.189 schwarze 55: static int parse_rest(struct roff_man *, int, int, int *, char *);
1.185 schwarze 56: static int rew_alt(int);
1.189 schwarze 57: static void rew_elem(struct roff_man *, int);
58: static void rew_last(struct roff_man *, const struct roff_node *);
59: static void rew_pending(struct roff_man *,
60: const struct roff_node *);
1.1 kristaps 61:
62: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
1.123 schwarze 63: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
1.1 kristaps 64: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
65: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
66: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.123 schwarze 67: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
68: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
69: { in_line_eoln, 0 }, /* Pp */
70: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
71: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 72: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.123 schwarze 73: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 74: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.123 schwarze 75: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
76: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
77: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
78: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.1 kristaps 79: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.129 schwarze 80: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 81: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.123 schwarze 82: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 85: { in_line_eoln, 0 }, /* Ex */
1.123 schwarze 86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
87: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.123 schwarze 89: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
90: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.128 schwarze 91: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.18 kristaps 92: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.123 schwarze 93: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
94: { blk_full, MDOC_JOIN }, /* Nd */
95: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 96: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.132 schwarze 97: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 98: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
99: { in_line_eoln, 0 }, /* Rv */
1.123 schwarze 100: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 101: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.123 schwarze 102: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.42 kristaps 103: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.123 schwarze 104: { in_line_eoln, MDOC_JOIN }, /* %A */
105: { in_line_eoln, MDOC_JOIN }, /* %B */
106: { in_line_eoln, MDOC_JOIN }, /* %D */
107: { in_line_eoln, MDOC_JOIN }, /* %I */
108: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 109: { in_line_eoln, 0 }, /* %N */
1.123 schwarze 110: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 111: { in_line_eoln, 0 }, /* %P */
1.123 schwarze 112: { in_line_eoln, MDOC_JOIN }, /* %R */
113: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 114: { in_line_eoln, 0 }, /* %V */
1.123 schwarze 115: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
116: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
117: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
118: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
119: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 120: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.123 schwarze 121: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
122: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
123: { blk_full, MDOC_EXPLICIT }, /* Bf */
124: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
125: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
126: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 127: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
128: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
129: { in_line_eoln, 0 }, /* Db */
1.123 schwarze 130: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
131: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
132: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
133: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
134: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
135: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
136: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
137: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 138: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
139: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.11 kristaps 140: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.144 schwarze 141: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.123 schwarze 142: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
143: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 144: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
145: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.123 schwarze 146: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
147: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.52 kristaps 148: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.123 schwarze 149: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
150: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
151: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
152: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
153: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
154: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
155: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
156: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
157: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
158: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 159: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.123 schwarze 160: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
161: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
162: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
163: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
164: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.147 schwarze 165: { in_line_argn, 0 }, /* Sm */
1.123 schwarze 166: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
167: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 168: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.123 schwarze 169: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 170: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
171: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.123 schwarze 172: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
173: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
174: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
175: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
176: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
177: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
178: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 179: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.123 schwarze 180: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 181: { in_line_eoln, 0 }, /* Bt */
182: { in_line_eoln, 0 }, /* Hf */
1.132 schwarze 183: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 184: { in_line_eoln, 0 }, /* Ud */
1.69 kristaps 185: { in_line, 0 }, /* Lb */
1.123 schwarze 186: { in_line_eoln, 0 }, /* Lp */
187: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
188: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
189: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
190: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
191: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
192: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
193: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
194: { in_line_eoln, MDOC_JOIN }, /* %C */
1.132 schwarze 195: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
196: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 197: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.123 schwarze 198: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.20 kristaps 199: { in_line_eoln, 0 }, /* br */
200: { in_line_eoln, 0 }, /* sp */
1.37 kristaps 201: { in_line_eoln, 0 }, /* %U */
1.123 schwarze 202: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.143 schwarze 203: { in_line_eoln, MDOC_PROLOGUE }, /* ll */
1.1 kristaps 204: };
205:
206: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
207:
208:
209: /*
210: * This is called at the end of parsing. It must traverse up the tree,
211: * closing out open [implicit] scopes. Obviously, open explicit scopes
212: * are errors.
213: */
1.151 schwarze 214: void
1.195 schwarze 215: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 216: {
1.185 schwarze 217: struct roff_node *n;
1.1 kristaps 218:
219: /* Scan for open explicit scopes. */
220:
1.210 schwarze 221: n = mdoc->last->flags & NODE_VALID ?
1.131 schwarze 222: mdoc->last->parent : mdoc->last;
1.1 kristaps 223:
1.94 schwarze 224: for ( ; n; n = n->parent)
1.184 schwarze 225: if (n->type == ROFFT_BLOCK &&
1.151 schwarze 226: mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
1.137 schwarze 227: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
228: n->line, n->pos, mdoc_macronames[n->tok]);
1.1 kristaps 229:
1.32 kristaps 230: /* Rewind to the first. */
231:
1.149 schwarze 232: rew_last(mdoc, mdoc->first);
1.206 schwarze 233: mdoc_state_reset(mdoc);
1.1 kristaps 234: }
235:
1.32 kristaps 236: /*
1.153 schwarze 237: * Look up the macro at *p called by "from",
1.191 schwarze 238: * or as a line macro if from == TOKEN_NONE.
1.32 kristaps 239: */
1.185 schwarze 240: static int
1.189 schwarze 241: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.28 kristaps 242: {
1.185 schwarze 243: int res;
1.1 kristaps 244:
1.205 schwarze 245: if (mdoc->flags & MDOC_PHRASEQF) {
246: mdoc->flags &= ~MDOC_PHRASEQF;
247: return TOKEN_NONE;
248: }
1.191 schwarze 249: if (from == TOKEN_NONE || mdoc_macros[from].flags & MDOC_PARSED) {
1.153 schwarze 250: res = mdoc_hash_find(p);
1.191 schwarze 251: if (res != TOKEN_NONE) {
1.155 schwarze 252: if (mdoc_macros[res].flags & MDOC_CALLABLE)
1.202 schwarze 253: return res;
1.155 schwarze 254: if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll)
255: mandoc_msg(MANDOCERR_MACRO_CALL,
256: mdoc->parse, line, ppos, p);
257: }
1.153 schwarze 258: }
1.202 schwarze 259: return TOKEN_NONE;
1.1 kristaps 260: }
261:
1.166 schwarze 262: /*
263: * Rewind up to and including a specific node.
264: */
1.149 schwarze 265: static void
1.189 schwarze 266: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 267: {
268:
1.210 schwarze 269: if (to->flags & NODE_VALID)
1.186 schwarze 270: return;
271:
1.1 kristaps 272: while (mdoc->last != to) {
1.206 schwarze 273: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 274: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.206 schwarze 275: mdoc->last = mdoc->last->parent;
1.1 kristaps 276: }
1.206 schwarze 277: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 278: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.200 schwarze 279: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 280: }
281:
1.32 kristaps 282: /*
1.166 schwarze 283: * Rewind up to a specific block, including all blocks that broke it.
284: */
285: static void
1.189 schwarze 286: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.166 schwarze 287: {
288:
1.183 schwarze 289: for (;;) {
290: rew_last(mdoc, n);
291:
1.194 schwarze 292: if (mdoc->last == n) {
293: switch (n->type) {
294: case ROFFT_HEAD:
295: roff_body_alloc(mdoc, n->line, n->pos,
296: n->tok);
1.207 schwarze 297: break;
1.194 schwarze 298: case ROFFT_BLOCK:
299: break;
300: default:
301: return;
302: }
1.210 schwarze 303: if ( ! (n->flags & NODE_BROKEN))
1.194 schwarze 304: return;
305: } else
306: n = mdoc->last;
1.166 schwarze 307:
1.183 schwarze 308: for (;;) {
309: if ((n = n->parent) == NULL)
310: return;
311:
1.184 schwarze 312: if (n->type == ROFFT_BLOCK ||
313: n->type == ROFFT_HEAD) {
1.210 schwarze 314: if (n->flags & NODE_ENDED)
1.183 schwarze 315: break;
316: else
317: return;
318: }
319: }
1.166 schwarze 320: }
321: }
322:
323: /*
1.84 schwarze 324: * For a block closing macro, return the corresponding opening one.
325: * Otherwise, return the macro itself.
1.32 kristaps 326: */
1.185 schwarze 327: static int
328: rew_alt(int tok)
1.1 kristaps 329: {
330: switch (tok) {
1.131 schwarze 331: case MDOC_Ac:
1.202 schwarze 332: return MDOC_Ao;
1.131 schwarze 333: case MDOC_Bc:
1.202 schwarze 334: return MDOC_Bo;
1.131 schwarze 335: case MDOC_Brc:
1.202 schwarze 336: return MDOC_Bro;
1.131 schwarze 337: case MDOC_Dc:
1.202 schwarze 338: return MDOC_Do;
1.131 schwarze 339: case MDOC_Ec:
1.202 schwarze 340: return MDOC_Eo;
1.131 schwarze 341: case MDOC_Ed:
1.202 schwarze 342: return MDOC_Bd;
1.131 schwarze 343: case MDOC_Ef:
1.202 schwarze 344: return MDOC_Bf;
1.131 schwarze 345: case MDOC_Ek:
1.202 schwarze 346: return MDOC_Bk;
1.131 schwarze 347: case MDOC_El:
1.202 schwarze 348: return MDOC_Bl;
1.131 schwarze 349: case MDOC_Fc:
1.202 schwarze 350: return MDOC_Fo;
1.131 schwarze 351: case MDOC_Oc:
1.202 schwarze 352: return MDOC_Oo;
1.131 schwarze 353: case MDOC_Pc:
1.202 schwarze 354: return MDOC_Po;
1.131 schwarze 355: case MDOC_Qc:
1.202 schwarze 356: return MDOC_Qo;
1.131 schwarze 357: case MDOC_Re:
1.202 schwarze 358: return MDOC_Rs;
1.131 schwarze 359: case MDOC_Sc:
1.202 schwarze 360: return MDOC_So;
1.131 schwarze 361: case MDOC_Xc:
1.202 schwarze 362: return MDOC_Xo;
1.1 kristaps 363: default:
1.202 schwarze 364: return tok;
1.1 kristaps 365: }
366: }
367:
1.149 schwarze 368: static void
1.189 schwarze 369: rew_elem(struct roff_man *mdoc, int tok)
1.1 kristaps 370: {
1.185 schwarze 371: struct roff_node *n;
1.1 kristaps 372:
373: n = mdoc->last;
1.184 schwarze 374: if (n->type != ROFFT_ELEM)
1.1 kristaps 375: n = n->parent;
1.184 schwarze 376: assert(n->type == ROFFT_ELEM);
1.1 kristaps 377: assert(tok == n->tok);
1.149 schwarze 378: rew_last(mdoc, n);
1.1 kristaps 379: }
380:
1.213 ! schwarze 381: static void
! 382: break_intermediate(struct roff_node *n, struct roff_node *breaker)
! 383: {
! 384: while (n != breaker) {
! 385: if ( ! (n->flags & NODE_VALID))
! 386: n->flags |= NODE_BROKEN;
! 387: n = n->parent;
! 388: }
! 389: }
! 390:
1.83 schwarze 391: /*
1.187 schwarze 392: * If there is an open sub-block of the target requiring
393: * explicit close-out, postpone closing out the target until
394: * the rew_pending() call closing out the sub-block.
395: */
396: static int
1.189 schwarze 397: find_pending(struct roff_man *mdoc, int tok, int line, int ppos,
1.187 schwarze 398: struct roff_node *target)
399: {
400: struct roff_node *n;
401: int irc;
402:
403: irc = 0;
404: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.213 ! schwarze 405: if (n->flags & NODE_ENDED)
1.187 schwarze 406: continue;
407: if (n->type == ROFFT_BLOCK &&
408: mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
409: irc = 1;
1.213 ! schwarze 410: break_intermediate(mdoc->last, n);
1.212 schwarze 411: n->flags |= NODE_BROKEN;
1.187 schwarze 412: if (target->type == ROFFT_HEAD)
1.212 schwarze 413: target->flags |= NODE_ENDED;
1.210 schwarze 414: else if ( ! (target->flags & NODE_ENDED)) {
1.187 schwarze 415: mandoc_vmsg(MANDOCERR_BLK_NEST,
416: mdoc->parse, line, ppos,
417: "%s breaks %s", mdoc_macronames[tok],
418: mdoc_macronames[n->tok]);
419: mdoc_endbody_alloc(mdoc, line, ppos,
420: tok, target, ENDBODY_NOSPACE);
421: }
422: }
423: }
1.202 schwarze 424: return irc;
1.187 schwarze 425: }
426:
427: /*
1.105 kristaps 428: * Allocate a word and check whether it's punctuation or not.
429: * Punctuation consists of those tokens found in mdoc_isdelim().
430: */
1.150 schwarze 431: static void
1.189 schwarze 432: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 433: enum mdelim d, int may_append)
1.105 kristaps 434: {
1.131 schwarze 435:
1.150 schwarze 436: if (d == DELIM_MAX)
1.105 kristaps 437: d = mdoc_isdelim(p);
438:
1.123 schwarze 439: if (may_append &&
1.150 schwarze 440: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 441: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 442: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 443: roff_word_append(mdoc, p);
1.150 schwarze 444: return;
1.123 schwarze 445: }
446:
1.192 schwarze 447: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 448:
1.108 schwarze 449: /*
1.144 schwarze 450: * If the word consists of a bare delimiter,
451: * flag the new node accordingly,
452: * unless doing so was vetoed by the invoking macro.
453: * Always clear the veto, it is only valid for one word.
1.108 schwarze 454: */
455:
1.144 schwarze 456: if (d == DELIM_OPEN)
1.210 schwarze 457: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 458: else if (d == DELIM_CLOSE &&
459: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 460: mdoc->last->parent->tok != MDOC_Fd)
1.210 schwarze 461: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 462: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 463: }
1.1 kristaps 464:
1.150 schwarze 465: static void
1.189 schwarze 466: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 467: {
1.153 schwarze 468: char *p;
1.66 kristaps 469: int la;
1.1 kristaps 470:
1.150 schwarze 471: if (buf[*pos] == '\0')
472: return;
1.1 kristaps 473:
474: for (;;) {
1.66 kristaps 475: la = *pos;
1.191 schwarze 476: if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
477: ARGS_EOLN)
1.1 kristaps 478: break;
1.123 schwarze 479: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 480:
481: /*
482: * If we encounter end-of-sentence symbols, then trigger
483: * the double-space.
484: *
1.109 kristaps 485: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 486: * the last symbol, such that `. )' will cause the
487: * correct double-spacing. However, (1) groff isn't
488: * smart enough to do this and (2) it would require
489: * knowing which symbols break this behaviour, for
1.109 kristaps 490: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 491: */
1.150 schwarze 492:
1.127 schwarze 493: if (mandoc_eos(p, strlen(p)))
1.210 schwarze 494: mdoc->last->flags |= NODE_EOS;
1.1 kristaps 495: }
496: }
497:
498: /*
1.153 schwarze 499: * Parse one word.
500: * If it is a macro, call it and return 1.
501: * Otherwise, allocate it and return 0.
502: */
503: static int
504: macro_or_word(MACRO_PROT_ARGS, int parsed)
505: {
506: char *p;
1.185 schwarze 507: int ntok;
1.153 schwarze 508:
509: p = buf + ppos;
1.191 schwarze 510: ntok = TOKEN_NONE;
1.157 schwarze 511: if (*p == '"')
1.153 schwarze 512: p++;
1.157 schwarze 513: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.155 schwarze 514: ntok = lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 515:
1.191 schwarze 516: if (ntok == TOKEN_NONE) {
517: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.153 schwarze 518: mdoc_macros[tok].flags & MDOC_JOIN);
1.202 schwarze 519: return 0;
1.153 schwarze 520: } else {
521: if (mdoc_macros[tok].fp == in_line_eoln)
522: rew_elem(mdoc, tok);
523: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 524: if (tok == TOKEN_NONE)
1.153 schwarze 525: append_delims(mdoc, line, pos, buf);
1.202 schwarze 526: return 1;
1.153 schwarze 527: }
528: }
529:
530: /*
1.131 schwarze 531: * Close out block partial/full explicit.
1.1 kristaps 532: */
1.151 schwarze 533: static void
1.1 kristaps 534: blk_exp_close(MACRO_PROT_ARGS)
535: {
1.185 schwarze 536: struct roff_node *body; /* Our own body. */
537: struct roff_node *endbody; /* Our own end marker. */
538: struct roff_node *itblk; /* An It block starting later. */
539: struct roff_node *later; /* A sub-block starting later. */
540: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 541: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 542:
1.188 schwarze 543: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 544: enum margserr ac;
1.185 schwarze 545: int atok, ntok;
1.1 kristaps 546: char *p;
547:
1.119 schwarze 548: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 549:
1.1 kristaps 550: switch (tok) {
1.131 schwarze 551: case MDOC_Ec:
1.1 kristaps 552: maxargs = 1;
553: break;
1.131 schwarze 554: case MDOC_Ek:
1.125 schwarze 555: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 556: /* FALLTHROUGH */
1.1 kristaps 557: default:
558: maxargs = 0;
559: break;
560: }
561:
1.209 schwarze 562: /* Search backwards for the beginning of our own body. */
563:
564: atok = rew_alt(tok);
565: body = NULL;
566: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 567: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 568: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
569: continue;
570: body = n;
571: break;
572: }
573:
1.83 schwarze 574: /*
575: * Search backwards for beginnings of blocks,
576: * both of our own and of pending sub-blocks.
577: */
1.151 schwarze 578:
1.209 schwarze 579: endbody = itblk = later = NULL;
1.119 schwarze 580: for (n = mdoc->last; n; n = n->parent) {
1.213 ! schwarze 581: if (n->flags & NODE_ENDED)
1.83 schwarze 582: continue;
583:
1.209 schwarze 584: /*
1.211 schwarze 585: * Mismatching end macros can never break anything
1.209 schwarze 586: * and we only care about the breaking of BLOCKs.
587: */
1.83 schwarze 588:
1.211 schwarze 589: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 590: continue;
1.160 schwarze 591:
1.211 schwarze 592: /*
593: * SYNOPSIS name blocks can not be broken themselves,
594: * but they do get broken together with a broken child.
595: */
596:
597: if (n->tok == MDOC_Nm) {
598: if (later != NULL)
599: n->flags |= NODE_BROKEN | NODE_ENDED;
600: continue;
601: }
602:
1.160 schwarze 603: if (n->tok == MDOC_It) {
1.171 schwarze 604: itblk = n;
1.160 schwarze 605: continue;
606: }
607:
1.83 schwarze 608: if (atok == n->tok) {
609:
610: /*
611: * Found the start of our own block.
612: * When there is no pending sub block,
613: * just proceed to closing out.
614: */
1.151 schwarze 615:
1.160 schwarze 616: if (later == NULL ||
1.171 schwarze 617: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 618: break;
619:
1.131 schwarze 620: /*
1.167 schwarze 621: * When there is a pending sub block, postpone
622: * closing out the current block until the
623: * rew_pending() closing out the sub-block.
1.83 schwarze 624: * Mark the place where the formatting - but not
625: * the scope - of the current block ends.
626: */
1.151 schwarze 627:
1.183 schwarze 628: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
629: line, ppos, "%s breaks %s",
630: mdoc_macronames[atok],
631: mdoc_macronames[later->tok]);
632:
1.166 schwarze 633: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.150 schwarze 634: atok, body, ENDBODY_SPACE);
1.151 schwarze 635:
1.183 schwarze 636: if (tok == MDOC_El)
1.210 schwarze 637: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 638:
1.151 schwarze 639: /*
640: * If a block closing macro taking arguments
641: * breaks another block, put the arguments
1.166 schwarze 642: * into the end marker.
1.151 schwarze 643: */
644:
1.166 schwarze 645: if (maxargs)
1.189 schwarze 646: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 647: break;
1.182 schwarze 648: }
649:
650: /* Explicit blocks close out description lines. */
651:
652: if (n->tok == MDOC_Nd) {
653: rew_last(mdoc, n);
654: continue;
1.83 schwarze 655: }
656:
1.183 schwarze 657: /* Breaking an open sub block. */
1.151 schwarze 658:
1.213 ! schwarze 659: break_intermediate(mdoc->last, body);
1.210 schwarze 660: n->flags |= NODE_BROKEN;
1.183 schwarze 661: if (later == NULL)
1.83 schwarze 662: later = n;
663: }
1.166 schwarze 664:
665: if (body == NULL) {
666: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
667: line, ppos, mdoc_macronames[tok]);
668: if (maxargs && endbody == NULL) {
669: /*
670: * Stray .Ec without previous .Eo:
671: * Break the output line, keep the arguments.
672: */
1.193 schwarze 673: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.166 schwarze 674: rew_elem(mdoc, MDOC_br);
675: }
676: } else if (endbody == NULL) {
677: rew_last(mdoc, body);
678: if (maxargs)
679: mdoc_tail_alloc(mdoc, line, ppos, atok);
680: }
1.83 schwarze 681:
1.150 schwarze 682: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
683: if (buf[*pos] != '\0')
1.136 schwarze 684: mandoc_vmsg(MANDOCERR_ARG_SKIP,
685: mdoc->parse, line, ppos,
686: "%s %s", mdoc_macronames[tok],
687: buf + *pos);
1.171 schwarze 688: if (endbody == NULL && n != NULL)
1.167 schwarze 689: rew_pending(mdoc, n);
1.151 schwarze 690: return;
1.1 kristaps 691: }
692:
1.166 schwarze 693: if (endbody != NULL)
694: n = endbody;
1.197 schwarze 695:
696: ntok = TOKEN_NONE;
1.148 schwarze 697: for (j = 0; ; j++) {
1.1 kristaps 698: lastarg = *pos;
699:
1.186 schwarze 700: if (j == maxargs && n != NULL)
701: rew_last(mdoc, n);
1.1 kristaps 702:
1.119 schwarze 703: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 704: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 705: break;
706:
1.191 schwarze 707: ntok = ac == ARGS_QWORD ? TOKEN_NONE :
1.155 schwarze 708: lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 709:
1.191 schwarze 710: if (ntok == TOKEN_NONE) {
1.150 schwarze 711: dword(mdoc, line, lastarg, p, DELIM_MAX,
712: MDOC_JOIN & mdoc_macros[tok].flags);
1.54 kristaps 713: continue;
714: }
1.1 kristaps 715:
1.186 schwarze 716: if (n != NULL)
717: rew_last(mdoc, n);
1.122 schwarze 718: mdoc->flags &= ~MDOC_NEWLINE;
1.151 schwarze 719: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 720: break;
1.1 kristaps 721: }
722:
1.188 schwarze 723: if (n != NULL) {
1.212 schwarze 724: pending = 0;
1.210 schwarze 725: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 726: target = n;
727: do
728: target = target->parent;
1.210 schwarze 729: while ( ! (target->flags & NODE_ENDED));
1.212 schwarze 730: if ( ! (target->flags & NODE_VALID))
731: pending = find_pending(mdoc, ntok,
732: line, ppos, target);
733: }
1.188 schwarze 734: if ( ! pending)
735: rew_pending(mdoc, n);
736: }
1.150 schwarze 737: if (nl)
738: append_delims(mdoc, line, pos, buf);
1.1 kristaps 739: }
740:
1.151 schwarze 741: static void
1.1 kristaps 742: in_line(MACRO_PROT_ARGS)
743: {
1.144 schwarze 744: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.185 schwarze 745: int ntok;
1.55 kristaps 746: enum margserr ac;
1.67 schwarze 747: enum mdelim d;
1.53 kristaps 748: struct mdoc_arg *arg;
749: char *p;
1.1 kristaps 750:
1.119 schwarze 751: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 752:
1.4 kristaps 753: /*
754: * Whether we allow ignored elements (those without content,
755: * usually because of reserved words) to squeak by.
756: */
1.45 kristaps 757:
1.4 kristaps 758: switch (tok) {
1.131 schwarze 759: case MDOC_An:
760: case MDOC_Ar:
761: case MDOC_Fl:
762: case MDOC_Mt:
763: case MDOC_Nm:
764: case MDOC_Pa:
1.4 kristaps 765: nc = 1;
766: break;
767: default:
768: nc = 0;
769: break;
770: }
771:
1.152 schwarze 772: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 773:
1.144 schwarze 774: d = DELIM_NONE;
775: firstarg = 1;
1.142 schwarze 776: mayopen = 1;
1.70 kristaps 777: for (cnt = scope = 0;; ) {
1.1 kristaps 778: la = *pos;
1.119 schwarze 779: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 780:
1.144 schwarze 781: /*
782: * At the end of a macro line,
783: * opening delimiters do not suppress spacing.
784: */
785:
786: if (ac == ARGS_EOLN) {
787: if (d == DELIM_OPEN)
1.210 schwarze 788: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 789: break;
1.144 schwarze 790: }
791:
792: /*
793: * The rest of the macro line is only punctuation,
794: * to be handled by append_delims().
795: * If there were no other arguments,
796: * do not allow the first one to suppress spacing,
797: * even if it turns out to be a closing one.
798: */
799:
800: if (ac == ARGS_PUNCT) {
1.176 schwarze 801: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 802: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 803: break;
1.144 schwarze 804: }
1.1 kristaps 805:
1.145 schwarze 806: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.191 schwarze 807: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 808:
1.131 schwarze 809: /*
1.4 kristaps 810: * In this case, we've located a submacro and must
811: * execute it. Close out scope, if open. If no
812: * elements have been generated, either create one (nc)
813: * or raise a warning.
814: */
1.1 kristaps 815:
1.191 schwarze 816: if (ntok != TOKEN_NONE) {
1.149 schwarze 817: if (scope)
818: rew_elem(mdoc, tok);
1.150 schwarze 819: if (nc && ! cnt) {
820: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 821: rew_last(mdoc, mdoc->last);
1.150 schwarze 822: } else if ( ! nc && ! cnt) {
1.7 kristaps 823: mdoc_argv_free(arg);
1.135 schwarze 824: mandoc_msg(MANDOCERR_MACRO_EMPTY,
825: mdoc->parse, line, ppos,
826: mdoc_macronames[tok]);
1.7 kristaps 827: }
1.151 schwarze 828: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.150 schwarze 829: if (nl)
830: append_delims(mdoc, line, pos, buf);
1.151 schwarze 831: return;
1.131 schwarze 832: }
1.1 kristaps 833:
1.131 schwarze 834: /*
1.4 kristaps 835: * Non-quote-enclosed punctuation. Set up our scope, if
836: * a word; rewind the scope, if a delimiter; then append
1.131 schwarze 837: * the word.
1.4 kristaps 838: */
1.1 kristaps 839:
1.150 schwarze 840: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.3 kristaps 841:
1.70 kristaps 842: if (DELIM_NONE != d) {
843: /*
844: * If we encounter closing punctuation, no word
1.144 schwarze 845: * has been emitted, no scope is open, and we're
1.70 kristaps 846: * allowed to have an empty element, then start
1.142 schwarze 847: * a new scope.
1.70 kristaps 848: */
1.142 schwarze 849: if ((d == DELIM_CLOSE ||
850: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 851: !cnt && !scope && nc && mayopen) {
1.150 schwarze 852: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 853: scope = 1;
1.142 schwarze 854: cnt++;
1.150 schwarze 855: if (tok == MDOC_Nm)
1.142 schwarze 856: mayopen = 0;
1.70 kristaps 857: }
858: /*
859: * Close out our scope, if one is open, before
860: * any punctuation.
861: */
1.149 schwarze 862: if (scope)
863: rew_elem(mdoc, tok);
1.70 kristaps 864: scope = 0;
1.145 schwarze 865: if (tok == MDOC_Fn)
866: mayopen = 0;
1.142 schwarze 867: } else if (mayopen && !scope) {
1.150 schwarze 868: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 869: scope = 1;
1.142 schwarze 870: cnt++;
1.1 kristaps 871: }
1.105 kristaps 872:
1.150 schwarze 873: dword(mdoc, line, la, p, d,
874: MDOC_JOIN & mdoc_macros[tok].flags);
1.39 kristaps 875:
876: /*
1.144 schwarze 877: * If the first argument is a closing delimiter,
878: * do not suppress spacing before it.
879: */
880:
881: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 882: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 883: firstarg = 0;
884:
885: /*
1.39 kristaps 886: * `Fl' macros have their scope re-opened with each new
887: * word so that the `-' can be added to each one without
888: * having to parse out spaces.
889: */
1.150 schwarze 890: if (scope && tok == MDOC_Fl) {
1.149 schwarze 891: rew_elem(mdoc, tok);
1.70 kristaps 892: scope = 0;
1.39 kristaps 893: }
1.1 kristaps 894: }
895:
1.149 schwarze 896: if (scope)
897: rew_elem(mdoc, tok);
1.4 kristaps 898:
899: /*
900: * If no elements have been collected and we're allowed to have
901: * empties (nc), open a scope and close it out. Otherwise,
902: * raise a warning.
903: */
1.45 kristaps 904:
1.150 schwarze 905: if ( ! cnt) {
906: if (nc) {
907: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
908: rew_last(mdoc, mdoc->last);
909: } else {
910: mdoc_argv_free(arg);
911: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
912: line, ppos, mdoc_macronames[tok]);
913: }
1.7 kristaps 914: }
1.150 schwarze 915: if (nl)
916: append_delims(mdoc, line, pos, buf);
1.1 kristaps 917: }
918:
1.151 schwarze 919: static void
1.1 kristaps 920: blk_full(MACRO_PROT_ARGS)
921: {
1.153 schwarze 922: int la, nl, parsed;
1.1 kristaps 923: struct mdoc_arg *arg;
1.185 schwarze 924: struct roff_node *blk; /* Our own or a broken block. */
925: struct roff_node *head; /* Our own head. */
926: struct roff_node *body; /* Our own body. */
927: struct roff_node *n;
1.59 kristaps 928: enum margserr ac, lac;
1.1 kristaps 929: char *p;
930:
1.119 schwarze 931: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 932:
1.177 schwarze 933: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
934: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
935: line, ppos, mdoc_macronames[tok]);
936: return;
937: }
938:
1.171 schwarze 939: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
940:
941: /* Here, tok is one of Sh Ss Nm Nd It. */
942:
943: blk = NULL;
944: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 945: if (n->flags & NODE_ENDED) {
946: if ( ! (n->flags & NODE_VALID))
947: n->flags |= NODE_BROKEN;
1.183 schwarze 948: continue;
949: }
1.184 schwarze 950: if (n->type != ROFFT_BLOCK)
1.171 schwarze 951: continue;
1.183 schwarze 952:
1.171 schwarze 953: if (tok == MDOC_It && n->tok == MDOC_Bl) {
954: if (blk != NULL) {
955: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
956: mdoc->parse, line, ppos,
957: "It breaks %s",
958: mdoc_macronames[blk->tok]);
959: rew_pending(mdoc, blk);
960: }
961: break;
962: }
963:
964: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
965: switch (tok) {
966: case MDOC_Sh:
967: case MDOC_Ss:
968: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
969: mdoc->parse, line, ppos,
970: "%s breaks %s",
971: mdoc_macronames[tok],
972: mdoc_macronames[n->tok]);
973: rew_pending(mdoc, n);
1.180 schwarze 974: n = mdoc->last;
1.171 schwarze 975: continue;
976: case MDOC_It:
977: /* Delay in case it's astray. */
978: blk = n;
979: continue;
980: default:
981: break;
982: }
983: break;
984: }
985:
986: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 987:
1.171 schwarze 988: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
989: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
990: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 991: break;
1.171 schwarze 992:
993: /* Item breaking an explicit block. */
994:
995: if (blk != NULL) {
996: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
997: mdoc->parse, line, ppos,
998: "It breaks %s",
999: mdoc_macronames[blk->tok]);
1000: rew_pending(mdoc, blk);
1.172 schwarze 1001: blk = NULL;
1.171 schwarze 1002: }
1003:
1004: /* Close out prior implicit scopes. */
1005:
1.211 schwarze 1006: rew_pending(mdoc, n);
1.171 schwarze 1007: }
1008:
1009: /* Skip items outside lists. */
1010:
1011: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.138 schwarze 1012: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1013: line, ppos, "It %s", buf + *pos);
1.193 schwarze 1014: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.149 schwarze 1015: rew_elem(mdoc, MDOC_br);
1.151 schwarze 1016: return;
1.138 schwarze 1017: }
1.1 kristaps 1018: }
1019:
1.45 kristaps 1020: /*
1.109 kristaps 1021: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1022: * macro openings. Implicit ones first close out prior scope
1023: * (seen above). Delay opening the head until necessary to
1024: * allow leading punctuation to print. Special consideration
1025: * for `It -column', which has phrase-part syntax instead of
1026: * regular child nodes.
1027: */
1028:
1.152 schwarze 1029: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1030: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1031: head = body = NULL;
1.115 schwarze 1032:
1033: /*
1034: * Exception: Heads of `It' macros in `-diag' lists are not
1035: * parsed, even though `It' macros in general are parsed.
1036: */
1.151 schwarze 1037:
1.153 schwarze 1038: parsed = tok != MDOC_It ||
1039: mdoc->last->parent->tok != MDOC_Bl ||
1040: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1041:
1.45 kristaps 1042: /*
1043: * The `Nd' macro has all arguments in its body: it's a hybrid
1044: * of block partial-explicit and full-implicit. Stupid.
1045: */
1.19 kristaps 1046:
1.150 schwarze 1047: if (tok == MDOC_Nd) {
1.190 schwarze 1048: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1049: rew_last(mdoc, head);
1.190 schwarze 1050: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1051: }
1052:
1.150 schwarze 1053: if (tok == MDOC_Bk)
1.123 schwarze 1054: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1055:
1.205 schwarze 1056: ac = ARGS_EOLN;
1.150 schwarze 1057: for (;;) {
1.205 schwarze 1058:
1059: /*
1060: * If we are right after a tab character,
1061: * do not parse the first word for macros.
1062: */
1063:
1064: if (mdoc->flags & MDOC_PHRASEQN) {
1065: mdoc->flags &= ~MDOC_PHRASEQN;
1066: mdoc->flags |= MDOC_PHRASEQF;
1067: }
1068:
1.45 kristaps 1069: la = *pos;
1.150 schwarze 1070: lac = ac;
1.119 schwarze 1071: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1072: if (ac == ARGS_EOLN) {
1.205 schwarze 1073: if (lac != ARGS_PHRASE ||
1074: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1075: break;
1.205 schwarze 1076:
1.75 kristaps 1077: /*
1.205 schwarze 1078: * This line ends in a tab; start the next
1079: * column now, with a leading blank.
1.75 kristaps 1080: */
1.205 schwarze 1081:
1.167 schwarze 1082: if (body != NULL)
1083: rew_last(mdoc, body);
1.190 schwarze 1084: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1085: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1086: break;
1.75 kristaps 1087: }
1.205 schwarze 1088:
1.174 schwarze 1089: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1090: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1091: mdoc->parse, line, la, "%s ... %s",
1092: mdoc_macronames[tok], buf + la);
1093: break;
1094: }
1.173 schwarze 1095: if (tok == MDOC_Rs) {
1096: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1097: line, la, "Rs %s", buf + la);
1098: break;
1099: }
1100: if (ac == ARGS_PUNCT)
1101: break;
1.45 kristaps 1102:
1.131 schwarze 1103: /*
1.73 kristaps 1104: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1105: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1106: */
1.45 kristaps 1107:
1.150 schwarze 1108: if (head == NULL &&
1109: ac != ARGS_PHRASE &&
1110: ac != ARGS_QWORD &&
1111: mdoc_isdelim(p) == DELIM_OPEN) {
1112: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1113: continue;
1114: }
1115:
1.74 kristaps 1116: /* Open a head if one hasn't been opened. */
1.45 kristaps 1117:
1.150 schwarze 1118: if (head == NULL)
1.190 schwarze 1119: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1120:
1.205 schwarze 1121: if (ac == ARGS_PHRASE) {
1.151 schwarze 1122:
1.73 kristaps 1123: /*
1.74 kristaps 1124: * If we haven't opened a body yet, rewind the
1125: * head; if we have, rewind that instead.
1126: */
1127:
1.167 schwarze 1128: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1129: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1130:
1.205 schwarze 1131: /* Process to the tab or to the end of the line. */
1.74 kristaps 1132:
1.205 schwarze 1133: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1134: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1135: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1136:
1137: /* There may have been `Ta' macros. */
1138:
1139: while (body->next != NULL)
1140: body = body->next;
1.1 kristaps 1141: continue;
1142: }
1143:
1.153 schwarze 1144: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1145: break;
1.45 kristaps 1146: }
1.1 kristaps 1147:
1.210 schwarze 1148: if (blk->flags & NODE_VALID)
1.165 schwarze 1149: return;
1.150 schwarze 1150: if (head == NULL)
1.190 schwarze 1151: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1152: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1153: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1154: if (body != NULL)
1.77 kristaps 1155: goto out;
1.187 schwarze 1156: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1157: return;
1.47 kristaps 1158:
1.45 kristaps 1159: /* Close out scopes to remain in a consistent state. */
1160:
1.167 schwarze 1161: rew_last(mdoc, head);
1.190 schwarze 1162: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1163: out:
1.150 schwarze 1164: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1165: rew_last(mdoc, body);
1166: rew_last(mdoc, blk);
1.150 schwarze 1167: mdoc->flags &= ~MDOC_FREECOL;
1168: }
1.1 kristaps 1169: }
1170:
1.151 schwarze 1171: static void
1.1 kristaps 1172: blk_part_imp(MACRO_PROT_ARGS)
1173: {
1.63 kristaps 1174: int la, nl;
1.55 kristaps 1175: enum margserr ac;
1.1 kristaps 1176: char *p;
1.185 schwarze 1177: struct roff_node *blk; /* saved block context */
1178: struct roff_node *body; /* saved body context */
1179: struct roff_node *n;
1.1 kristaps 1180:
1.119 schwarze 1181: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1182:
1.43 kristaps 1183: /*
1184: * A macro that spans to the end of the line. This is generally
1185: * (but not necessarily) called as the first macro. The block
1186: * has a head as the immediate child, which is always empty,
1187: * followed by zero or more opening punctuation nodes, then the
1188: * body (which may be empty, depending on the macro), then zero
1189: * or more closing punctuation nodes.
1190: */
1.32 kristaps 1191:
1.150 schwarze 1192: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1193: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1194:
1.43 kristaps 1195: /*
1196: * Open the body scope "on-demand", that is, after we've
1197: * processed all our the leading delimiters (open parenthesis,
1198: * etc.).
1199: */
1.1 kristaps 1200:
1.43 kristaps 1201: for (body = NULL; ; ) {
1.32 kristaps 1202: la = *pos;
1.119 schwarze 1203: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1204: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1205: break;
1206:
1.150 schwarze 1207: if (body == NULL && ac != ARGS_QWORD &&
1208: mdoc_isdelim(p) == DELIM_OPEN) {
1209: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1210: continue;
1.123 schwarze 1211: }
1.1 kristaps 1212:
1.150 schwarze 1213: if (body == NULL)
1.190 schwarze 1214: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1215:
1.153 schwarze 1216: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1217: break;
1.1 kristaps 1218: }
1.150 schwarze 1219: if (body == NULL)
1.190 schwarze 1220: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1221:
1.187 schwarze 1222: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1223: return;
1224:
1.164 schwarze 1225: rew_last(mdoc, body);
1.150 schwarze 1226: if (nl)
1227: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1228: rew_pending(mdoc, blk);
1.117 schwarze 1229:
1230: /* Move trailing .Ns out of scope. */
1231:
1232: for (n = body->child; n && n->next; n = n->next)
1233: /* Do nothing. */ ;
1.150 schwarze 1234: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1235: mdoc_node_relink(mdoc, n);
1.1 kristaps 1236: }
1237:
1.151 schwarze 1238: static void
1.1 kristaps 1239: blk_part_exp(MACRO_PROT_ARGS)
1240: {
1.60 kristaps 1241: int la, nl;
1.55 kristaps 1242: enum margserr ac;
1.185 schwarze 1243: struct roff_node *head; /* keep track of head */
1.1 kristaps 1244: char *p;
1245:
1.119 schwarze 1246: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1247:
1.43 kristaps 1248: /*
1249: * The opening of an explicit macro having zero or more leading
1250: * punctuation nodes; a head with optional single element (the
1251: * case of `Eo'); and a body that may be empty.
1252: */
1.32 kristaps 1253:
1.193 schwarze 1254: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1255: head = NULL;
1256: for (;;) {
1.32 kristaps 1257: la = *pos;
1.119 schwarze 1258: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1259: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1260: break;
1.43 kristaps 1261:
1262: /* Flush out leading punctuation. */
1263:
1.150 schwarze 1264: if (head == NULL && ac != ARGS_QWORD &&
1265: mdoc_isdelim(p) == DELIM_OPEN) {
1266: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1267: continue;
1.123 schwarze 1268: }
1.43 kristaps 1269:
1.150 schwarze 1270: if (head == NULL) {
1.190 schwarze 1271: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1272: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1273: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1274: rew_last(mdoc, head);
1.190 schwarze 1275: roff_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1276: if (tok == MDOC_Eo)
1.43 kristaps 1277: continue;
1.1 kristaps 1278: }
1.43 kristaps 1279:
1.153 schwarze 1280: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1281: break;
1.1 kristaps 1282: }
1283:
1.43 kristaps 1284: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1285:
1.163 schwarze 1286: if (head == NULL) {
1.190 schwarze 1287: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1288: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1289: }
1.150 schwarze 1290: if (nl)
1291: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1292: }
1293:
1.151 schwarze 1294: static void
1.1 kristaps 1295: in_line_argn(MACRO_PROT_ARGS)
1296: {
1.53 kristaps 1297: struct mdoc_arg *arg;
1298: char *p;
1.181 schwarze 1299: enum margserr ac;
1.185 schwarze 1300: int ntok;
1.181 schwarze 1301: int state; /* arg#; -1: not yet open; -2: closed */
1302: int la, maxargs, nl;
1.1 kristaps 1303:
1.156 schwarze 1304: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1305:
1.46 kristaps 1306: /*
1307: * A line macro that has a fixed number of arguments (maxargs).
1308: * Only open the scope once the first non-leading-punctuation is
1309: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1310: * keep it open until the maximum number of arguments are
1311: * exhausted.
1312: */
1.1 kristaps 1313:
1314: switch (tok) {
1.131 schwarze 1315: case MDOC_Ap:
1316: case MDOC_Ns:
1317: case MDOC_Ux:
1.1 kristaps 1318: maxargs = 0;
1319: break;
1.131 schwarze 1320: case MDOC_Bx:
1.132 schwarze 1321: case MDOC_Es:
1.131 schwarze 1322: case MDOC_Xr:
1.42 kristaps 1323: maxargs = 2;
1324: break;
1.1 kristaps 1325: default:
1326: maxargs = 1;
1327: break;
1328: }
1329:
1.152 schwarze 1330: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1331:
1.181 schwarze 1332: state = -1;
1.156 schwarze 1333: p = NULL;
1334: for (;;) {
1.32 kristaps 1335: la = *pos;
1.119 schwarze 1336: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1337:
1338: if (ac == ARGS_WORD && state == -1 &&
1339: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1340: mdoc_isdelim(p) == DELIM_OPEN) {
1341: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1342: continue;
1343: }
1344:
1345: if (state == -1 && tok != MDOC_In &&
1346: tok != MDOC_St && tok != MDOC_Xr) {
1347: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1348: state = 0;
1349: }
1350:
1.156 schwarze 1351: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1352: if (abs(state) < 2 && tok == MDOC_Pf)
1.156 schwarze 1353: mandoc_vmsg(MANDOCERR_PF_SKIP,
1354: mdoc->parse, line, ppos, "Pf %s",
1355: p == NULL ? "at eol" : p);
1.1 kristaps 1356: break;
1.156 schwarze 1357: }
1.1 kristaps 1358:
1.181 schwarze 1359: if (state == maxargs) {
1.149 schwarze 1360: rew_elem(mdoc, tok);
1.181 schwarze 1361: state = -2;
1.46 kristaps 1362: }
1363:
1.181 schwarze 1364: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
1.191 schwarze 1365: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1366:
1.191 schwarze 1367: if (ntok != TOKEN_NONE) {
1.181 schwarze 1368: if (state >= 0) {
1.149 schwarze 1369: rew_elem(mdoc, tok);
1.181 schwarze 1370: state = -2;
1371: }
1.151 schwarze 1372: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1373: break;
1374: }
1375:
1.181 schwarze 1376: if (ac == ARGS_QWORD ||
1377: mdoc_macros[tok].flags & MDOC_IGNDELIM ||
1378: mdoc_isdelim(p) == DELIM_NONE) {
1379: if (state == -1) {
1380: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1381: state = 1;
1382: } else if (state >= 0)
1383: state++;
1384: } else if (state >= 0) {
1.149 schwarze 1385: rew_elem(mdoc, tok);
1.181 schwarze 1386: state = -2;
1.1 kristaps 1387: }
1.42 kristaps 1388:
1.150 schwarze 1389: dword(mdoc, line, la, p, DELIM_MAX,
1390: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1391: }
1392:
1.181 schwarze 1393: if (state == -1) {
1394: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1395: line, ppos, mdoc_macronames[tok]);
1396: return;
1.156 schwarze 1397: }
1.181 schwarze 1398:
1399: if (state == 0 && tok == MDOC_Pf)
1400: append_delims(mdoc, line, pos, buf);
1401: if (state >= 0)
1.149 schwarze 1402: rew_elem(mdoc, tok);
1.150 schwarze 1403: if (nl)
1404: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1405: }
1406:
1.151 schwarze 1407: static void
1.1 kristaps 1408: in_line_eoln(MACRO_PROT_ARGS)
1409: {
1.185 schwarze 1410: struct roff_node *n;
1.170 schwarze 1411: struct mdoc_arg *arg;
1.1 kristaps 1412:
1.170 schwarze 1413: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1414: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1415: n = mdoc->last;
1.189 schwarze 1416: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1417: n = n->parent;
1418: if (n->tok == MDOC_Nm)
1.198 schwarze 1419: rew_last(mdoc, n->parent);
1.178 schwarze 1420: }
1421:
1.179 schwarze 1422: if (buf[*pos] == '\0' &&
1423: (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
1.178 schwarze 1424: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.179 schwarze 1425: line, ppos, mdoc_macronames[tok]);
1.178 schwarze 1426: return;
1.170 schwarze 1427: }
1.90 schwarze 1428:
1.152 schwarze 1429: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1430: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1431: if (parse_rest(mdoc, tok, line, pos, buf))
1432: return;
1433: rew_elem(mdoc, tok);
1434: }
1435:
1436: /*
1437: * The simplest argument parser available: Parse the remaining
1438: * words until the end of the phrase or line and return 0
1439: * or until the next macro, call that macro, and return 1.
1440: */
1441: static int
1.189 schwarze 1442: parse_rest(struct roff_man *mdoc, int tok, int line, int *pos, char *buf)
1.154 schwarze 1443: {
1444: int la;
1.1 kristaps 1445:
1446: for (;;) {
1447: la = *pos;
1.153 schwarze 1448: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.202 schwarze 1449: return 0;
1.153 schwarze 1450: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.202 schwarze 1451: return 1;
1.1 kristaps 1452: }
1453: }
1454:
1.151 schwarze 1455: static void
1.41 kristaps 1456: ctx_synopsis(MACRO_PROT_ARGS)
1457: {
1.60 kristaps 1458:
1.151 schwarze 1459: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1460: in_line(mdoc, tok, line, ppos, pos, buf);
1461: else if (tok == MDOC_Nm)
1462: blk_full(mdoc, tok, line, ppos, pos, buf);
1463: else {
1464: assert(tok == MDOC_Vt);
1465: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1466: }
1.1 kristaps 1467: }
1468:
1.24 kristaps 1469: /*
1470: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1471: * They're unusual because they're basically free-form text until a
1472: * macro is encountered.
1473: */
1.151 schwarze 1474: static void
1.75 kristaps 1475: phrase_ta(MACRO_PROT_ARGS)
1476: {
1.185 schwarze 1477: struct roff_node *body, *n;
1.75 kristaps 1478:
1.121 schwarze 1479: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1480:
1.167 schwarze 1481: body = NULL;
1482: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1483: if (n->flags & NODE_ENDED)
1.167 schwarze 1484: continue;
1.184 schwarze 1485: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1486: body = n;
1.208 schwarze 1487: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1488: break;
1489: }
1490:
1.151 schwarze 1491: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1492: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1493: line, ppos, "Ta");
1.151 schwarze 1494: return;
1.121 schwarze 1495: }
1.75 kristaps 1496:
1.121 schwarze 1497: /* Advance to the next column. */
1.150 schwarze 1498:
1.167 schwarze 1499: rew_last(mdoc, body);
1.190 schwarze 1500: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1501: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1502: }
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