Annotation of mandoc/mdoc_macro.c, Revision 1.214
1.214 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.213 2017/02/11 13:24:12 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:
1.214 ! schwarze 650: /*
! 651: * Explicit blocks close out description lines, but
! 652: * even those can get broken together with a child.
! 653: */
1.182 schwarze 654:
655: if (n->tok == MDOC_Nd) {
1.214 ! schwarze 656: if (later != NULL)
! 657: n->flags |= NODE_BROKEN | NODE_ENDED;
! 658: else
! 659: rew_last(mdoc, n);
1.182 schwarze 660: continue;
1.83 schwarze 661: }
662:
1.183 schwarze 663: /* Breaking an open sub block. */
1.151 schwarze 664:
1.213 schwarze 665: break_intermediate(mdoc->last, body);
1.210 schwarze 666: n->flags |= NODE_BROKEN;
1.183 schwarze 667: if (later == NULL)
1.83 schwarze 668: later = n;
669: }
1.166 schwarze 670:
671: if (body == NULL) {
672: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
673: line, ppos, mdoc_macronames[tok]);
674: if (maxargs && endbody == NULL) {
675: /*
676: * Stray .Ec without previous .Eo:
677: * Break the output line, keep the arguments.
678: */
1.193 schwarze 679: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.166 schwarze 680: rew_elem(mdoc, MDOC_br);
681: }
682: } else if (endbody == NULL) {
683: rew_last(mdoc, body);
684: if (maxargs)
685: mdoc_tail_alloc(mdoc, line, ppos, atok);
686: }
1.83 schwarze 687:
1.150 schwarze 688: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
689: if (buf[*pos] != '\0')
1.136 schwarze 690: mandoc_vmsg(MANDOCERR_ARG_SKIP,
691: mdoc->parse, line, ppos,
692: "%s %s", mdoc_macronames[tok],
693: buf + *pos);
1.171 schwarze 694: if (endbody == NULL && n != NULL)
1.167 schwarze 695: rew_pending(mdoc, n);
1.151 schwarze 696: return;
1.1 kristaps 697: }
698:
1.166 schwarze 699: if (endbody != NULL)
700: n = endbody;
1.197 schwarze 701:
702: ntok = TOKEN_NONE;
1.148 schwarze 703: for (j = 0; ; j++) {
1.1 kristaps 704: lastarg = *pos;
705:
1.186 schwarze 706: if (j == maxargs && n != NULL)
707: rew_last(mdoc, n);
1.1 kristaps 708:
1.119 schwarze 709: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 710: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 711: break;
712:
1.191 schwarze 713: ntok = ac == ARGS_QWORD ? TOKEN_NONE :
1.155 schwarze 714: lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 715:
1.191 schwarze 716: if (ntok == TOKEN_NONE) {
1.150 schwarze 717: dword(mdoc, line, lastarg, p, DELIM_MAX,
718: MDOC_JOIN & mdoc_macros[tok].flags);
1.54 kristaps 719: continue;
720: }
1.1 kristaps 721:
1.186 schwarze 722: if (n != NULL)
723: rew_last(mdoc, n);
1.122 schwarze 724: mdoc->flags &= ~MDOC_NEWLINE;
1.151 schwarze 725: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 726: break;
1.1 kristaps 727: }
728:
1.188 schwarze 729: if (n != NULL) {
1.212 schwarze 730: pending = 0;
1.210 schwarze 731: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 732: target = n;
733: do
734: target = target->parent;
1.210 schwarze 735: while ( ! (target->flags & NODE_ENDED));
1.212 schwarze 736: if ( ! (target->flags & NODE_VALID))
737: pending = find_pending(mdoc, ntok,
738: line, ppos, target);
739: }
1.188 schwarze 740: if ( ! pending)
741: rew_pending(mdoc, n);
742: }
1.150 schwarze 743: if (nl)
744: append_delims(mdoc, line, pos, buf);
1.1 kristaps 745: }
746:
1.151 schwarze 747: static void
1.1 kristaps 748: in_line(MACRO_PROT_ARGS)
749: {
1.144 schwarze 750: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.185 schwarze 751: int ntok;
1.55 kristaps 752: enum margserr ac;
1.67 schwarze 753: enum mdelim d;
1.53 kristaps 754: struct mdoc_arg *arg;
755: char *p;
1.1 kristaps 756:
1.119 schwarze 757: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 758:
1.4 kristaps 759: /*
760: * Whether we allow ignored elements (those without content,
761: * usually because of reserved words) to squeak by.
762: */
1.45 kristaps 763:
1.4 kristaps 764: switch (tok) {
1.131 schwarze 765: case MDOC_An:
766: case MDOC_Ar:
767: case MDOC_Fl:
768: case MDOC_Mt:
769: case MDOC_Nm:
770: case MDOC_Pa:
1.4 kristaps 771: nc = 1;
772: break;
773: default:
774: nc = 0;
775: break;
776: }
777:
1.152 schwarze 778: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 779:
1.144 schwarze 780: d = DELIM_NONE;
781: firstarg = 1;
1.142 schwarze 782: mayopen = 1;
1.70 kristaps 783: for (cnt = scope = 0;; ) {
1.1 kristaps 784: la = *pos;
1.119 schwarze 785: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 786:
1.144 schwarze 787: /*
788: * At the end of a macro line,
789: * opening delimiters do not suppress spacing.
790: */
791:
792: if (ac == ARGS_EOLN) {
793: if (d == DELIM_OPEN)
1.210 schwarze 794: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 795: break;
1.144 schwarze 796: }
797:
798: /*
799: * The rest of the macro line is only punctuation,
800: * to be handled by append_delims().
801: * If there were no other arguments,
802: * do not allow the first one to suppress spacing,
803: * even if it turns out to be a closing one.
804: */
805:
806: if (ac == ARGS_PUNCT) {
1.176 schwarze 807: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 808: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 809: break;
1.144 schwarze 810: }
1.1 kristaps 811:
1.145 schwarze 812: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.191 schwarze 813: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 814:
1.131 schwarze 815: /*
1.4 kristaps 816: * In this case, we've located a submacro and must
817: * execute it. Close out scope, if open. If no
818: * elements have been generated, either create one (nc)
819: * or raise a warning.
820: */
1.1 kristaps 821:
1.191 schwarze 822: if (ntok != TOKEN_NONE) {
1.149 schwarze 823: if (scope)
824: rew_elem(mdoc, tok);
1.150 schwarze 825: if (nc && ! cnt) {
826: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 827: rew_last(mdoc, mdoc->last);
1.150 schwarze 828: } else if ( ! nc && ! cnt) {
1.7 kristaps 829: mdoc_argv_free(arg);
1.135 schwarze 830: mandoc_msg(MANDOCERR_MACRO_EMPTY,
831: mdoc->parse, line, ppos,
832: mdoc_macronames[tok]);
1.7 kristaps 833: }
1.151 schwarze 834: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.150 schwarze 835: if (nl)
836: append_delims(mdoc, line, pos, buf);
1.151 schwarze 837: return;
1.131 schwarze 838: }
1.1 kristaps 839:
1.131 schwarze 840: /*
1.4 kristaps 841: * Non-quote-enclosed punctuation. Set up our scope, if
842: * a word; rewind the scope, if a delimiter; then append
1.131 schwarze 843: * the word.
1.4 kristaps 844: */
1.1 kristaps 845:
1.150 schwarze 846: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.3 kristaps 847:
1.70 kristaps 848: if (DELIM_NONE != d) {
849: /*
850: * If we encounter closing punctuation, no word
1.144 schwarze 851: * has been emitted, no scope is open, and we're
1.70 kristaps 852: * allowed to have an empty element, then start
1.142 schwarze 853: * a new scope.
1.70 kristaps 854: */
1.142 schwarze 855: if ((d == DELIM_CLOSE ||
856: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 857: !cnt && !scope && nc && mayopen) {
1.150 schwarze 858: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 859: scope = 1;
1.142 schwarze 860: cnt++;
1.150 schwarze 861: if (tok == MDOC_Nm)
1.142 schwarze 862: mayopen = 0;
1.70 kristaps 863: }
864: /*
865: * Close out our scope, if one is open, before
866: * any punctuation.
867: */
1.149 schwarze 868: if (scope)
869: rew_elem(mdoc, tok);
1.70 kristaps 870: scope = 0;
1.145 schwarze 871: if (tok == MDOC_Fn)
872: mayopen = 0;
1.142 schwarze 873: } else if (mayopen && !scope) {
1.150 schwarze 874: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 875: scope = 1;
1.142 schwarze 876: cnt++;
1.1 kristaps 877: }
1.105 kristaps 878:
1.150 schwarze 879: dword(mdoc, line, la, p, d,
880: MDOC_JOIN & mdoc_macros[tok].flags);
1.39 kristaps 881:
882: /*
1.144 schwarze 883: * If the first argument is a closing delimiter,
884: * do not suppress spacing before it.
885: */
886:
887: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 888: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 889: firstarg = 0;
890:
891: /*
1.39 kristaps 892: * `Fl' macros have their scope re-opened with each new
893: * word so that the `-' can be added to each one without
894: * having to parse out spaces.
895: */
1.150 schwarze 896: if (scope && tok == MDOC_Fl) {
1.149 schwarze 897: rew_elem(mdoc, tok);
1.70 kristaps 898: scope = 0;
1.39 kristaps 899: }
1.1 kristaps 900: }
901:
1.149 schwarze 902: if (scope)
903: rew_elem(mdoc, tok);
1.4 kristaps 904:
905: /*
906: * If no elements have been collected and we're allowed to have
907: * empties (nc), open a scope and close it out. Otherwise,
908: * raise a warning.
909: */
1.45 kristaps 910:
1.150 schwarze 911: if ( ! cnt) {
912: if (nc) {
913: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
914: rew_last(mdoc, mdoc->last);
915: } else {
916: mdoc_argv_free(arg);
917: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
918: line, ppos, mdoc_macronames[tok]);
919: }
1.7 kristaps 920: }
1.150 schwarze 921: if (nl)
922: append_delims(mdoc, line, pos, buf);
1.1 kristaps 923: }
924:
1.151 schwarze 925: static void
1.1 kristaps 926: blk_full(MACRO_PROT_ARGS)
927: {
1.153 schwarze 928: int la, nl, parsed;
1.1 kristaps 929: struct mdoc_arg *arg;
1.185 schwarze 930: struct roff_node *blk; /* Our own or a broken block. */
931: struct roff_node *head; /* Our own head. */
932: struct roff_node *body; /* Our own body. */
933: struct roff_node *n;
1.59 kristaps 934: enum margserr ac, lac;
1.1 kristaps 935: char *p;
936:
1.119 schwarze 937: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 938:
1.177 schwarze 939: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
940: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
941: line, ppos, mdoc_macronames[tok]);
942: return;
943: }
944:
1.171 schwarze 945: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
946:
947: /* Here, tok is one of Sh Ss Nm Nd It. */
948:
949: blk = NULL;
950: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 951: if (n->flags & NODE_ENDED) {
952: if ( ! (n->flags & NODE_VALID))
953: n->flags |= NODE_BROKEN;
1.183 schwarze 954: continue;
955: }
1.184 schwarze 956: if (n->type != ROFFT_BLOCK)
1.171 schwarze 957: continue;
1.183 schwarze 958:
1.171 schwarze 959: if (tok == MDOC_It && n->tok == MDOC_Bl) {
960: if (blk != NULL) {
961: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
962: mdoc->parse, line, ppos,
963: "It breaks %s",
964: mdoc_macronames[blk->tok]);
965: rew_pending(mdoc, blk);
966: }
967: break;
968: }
969:
970: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
971: switch (tok) {
972: case MDOC_Sh:
973: case MDOC_Ss:
974: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
975: mdoc->parse, line, ppos,
976: "%s breaks %s",
977: mdoc_macronames[tok],
978: mdoc_macronames[n->tok]);
979: rew_pending(mdoc, n);
1.180 schwarze 980: n = mdoc->last;
1.171 schwarze 981: continue;
982: case MDOC_It:
983: /* Delay in case it's astray. */
984: blk = n;
985: continue;
986: default:
987: break;
988: }
989: break;
990: }
991:
992: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 993:
1.171 schwarze 994: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
995: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
996: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 997: break;
1.171 schwarze 998:
999: /* Item breaking an explicit block. */
1000:
1001: if (blk != NULL) {
1002: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
1003: mdoc->parse, line, ppos,
1004: "It breaks %s",
1005: mdoc_macronames[blk->tok]);
1006: rew_pending(mdoc, blk);
1.172 schwarze 1007: blk = NULL;
1.171 schwarze 1008: }
1009:
1010: /* Close out prior implicit scopes. */
1011:
1.211 schwarze 1012: rew_pending(mdoc, n);
1.171 schwarze 1013: }
1014:
1015: /* Skip items outside lists. */
1016:
1017: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.138 schwarze 1018: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1019: line, ppos, "It %s", buf + *pos);
1.193 schwarze 1020: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.149 schwarze 1021: rew_elem(mdoc, MDOC_br);
1.151 schwarze 1022: return;
1.138 schwarze 1023: }
1.1 kristaps 1024: }
1025:
1.45 kristaps 1026: /*
1.109 kristaps 1027: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1028: * macro openings. Implicit ones first close out prior scope
1029: * (seen above). Delay opening the head until necessary to
1030: * allow leading punctuation to print. Special consideration
1031: * for `It -column', which has phrase-part syntax instead of
1032: * regular child nodes.
1033: */
1034:
1.152 schwarze 1035: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1036: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1037: head = body = NULL;
1.115 schwarze 1038:
1039: /*
1040: * Exception: Heads of `It' macros in `-diag' lists are not
1041: * parsed, even though `It' macros in general are parsed.
1042: */
1.151 schwarze 1043:
1.153 schwarze 1044: parsed = tok != MDOC_It ||
1045: mdoc->last->parent->tok != MDOC_Bl ||
1046: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1047:
1.45 kristaps 1048: /*
1049: * The `Nd' macro has all arguments in its body: it's a hybrid
1050: * of block partial-explicit and full-implicit. Stupid.
1051: */
1.19 kristaps 1052:
1.150 schwarze 1053: if (tok == MDOC_Nd) {
1.190 schwarze 1054: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1055: rew_last(mdoc, head);
1.190 schwarze 1056: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1057: }
1058:
1.150 schwarze 1059: if (tok == MDOC_Bk)
1.123 schwarze 1060: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1061:
1.205 schwarze 1062: ac = ARGS_EOLN;
1.150 schwarze 1063: for (;;) {
1.205 schwarze 1064:
1065: /*
1066: * If we are right after a tab character,
1067: * do not parse the first word for macros.
1068: */
1069:
1070: if (mdoc->flags & MDOC_PHRASEQN) {
1071: mdoc->flags &= ~MDOC_PHRASEQN;
1072: mdoc->flags |= MDOC_PHRASEQF;
1073: }
1074:
1.45 kristaps 1075: la = *pos;
1.150 schwarze 1076: lac = ac;
1.119 schwarze 1077: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1078: if (ac == ARGS_EOLN) {
1.205 schwarze 1079: if (lac != ARGS_PHRASE ||
1080: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1081: break;
1.205 schwarze 1082:
1.75 kristaps 1083: /*
1.205 schwarze 1084: * This line ends in a tab; start the next
1085: * column now, with a leading blank.
1.75 kristaps 1086: */
1.205 schwarze 1087:
1.167 schwarze 1088: if (body != NULL)
1089: rew_last(mdoc, body);
1.190 schwarze 1090: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1091: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1092: break;
1.75 kristaps 1093: }
1.205 schwarze 1094:
1.174 schwarze 1095: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1096: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1097: mdoc->parse, line, la, "%s ... %s",
1098: mdoc_macronames[tok], buf + la);
1099: break;
1100: }
1.173 schwarze 1101: if (tok == MDOC_Rs) {
1102: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1103: line, la, "Rs %s", buf + la);
1104: break;
1105: }
1106: if (ac == ARGS_PUNCT)
1107: break;
1.45 kristaps 1108:
1.131 schwarze 1109: /*
1.73 kristaps 1110: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1111: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1112: */
1.45 kristaps 1113:
1.150 schwarze 1114: if (head == NULL &&
1115: ac != ARGS_PHRASE &&
1116: ac != ARGS_QWORD &&
1117: mdoc_isdelim(p) == DELIM_OPEN) {
1118: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1119: continue;
1120: }
1121:
1.74 kristaps 1122: /* Open a head if one hasn't been opened. */
1.45 kristaps 1123:
1.150 schwarze 1124: if (head == NULL)
1.190 schwarze 1125: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1126:
1.205 schwarze 1127: if (ac == ARGS_PHRASE) {
1.151 schwarze 1128:
1.73 kristaps 1129: /*
1.74 kristaps 1130: * If we haven't opened a body yet, rewind the
1131: * head; if we have, rewind that instead.
1132: */
1133:
1.167 schwarze 1134: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1135: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1136:
1.205 schwarze 1137: /* Process to the tab or to the end of the line. */
1.74 kristaps 1138:
1.205 schwarze 1139: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1140: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1141: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1142:
1143: /* There may have been `Ta' macros. */
1144:
1145: while (body->next != NULL)
1146: body = body->next;
1.1 kristaps 1147: continue;
1148: }
1149:
1.153 schwarze 1150: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1151: break;
1.45 kristaps 1152: }
1.1 kristaps 1153:
1.210 schwarze 1154: if (blk->flags & NODE_VALID)
1.165 schwarze 1155: return;
1.150 schwarze 1156: if (head == NULL)
1.190 schwarze 1157: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1158: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1159: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1160: if (body != NULL)
1.77 kristaps 1161: goto out;
1.187 schwarze 1162: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1163: return;
1.47 kristaps 1164:
1.45 kristaps 1165: /* Close out scopes to remain in a consistent state. */
1166:
1.167 schwarze 1167: rew_last(mdoc, head);
1.190 schwarze 1168: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1169: out:
1.150 schwarze 1170: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1171: rew_last(mdoc, body);
1172: rew_last(mdoc, blk);
1.150 schwarze 1173: mdoc->flags &= ~MDOC_FREECOL;
1174: }
1.1 kristaps 1175: }
1176:
1.151 schwarze 1177: static void
1.1 kristaps 1178: blk_part_imp(MACRO_PROT_ARGS)
1179: {
1.63 kristaps 1180: int la, nl;
1.55 kristaps 1181: enum margserr ac;
1.1 kristaps 1182: char *p;
1.185 schwarze 1183: struct roff_node *blk; /* saved block context */
1184: struct roff_node *body; /* saved body context */
1185: struct roff_node *n;
1.1 kristaps 1186:
1.119 schwarze 1187: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1188:
1.43 kristaps 1189: /*
1190: * A macro that spans to the end of the line. This is generally
1191: * (but not necessarily) called as the first macro. The block
1192: * has a head as the immediate child, which is always empty,
1193: * followed by zero or more opening punctuation nodes, then the
1194: * body (which may be empty, depending on the macro), then zero
1195: * or more closing punctuation nodes.
1196: */
1.32 kristaps 1197:
1.150 schwarze 1198: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1199: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1200:
1.43 kristaps 1201: /*
1202: * Open the body scope "on-demand", that is, after we've
1203: * processed all our the leading delimiters (open parenthesis,
1204: * etc.).
1205: */
1.1 kristaps 1206:
1.43 kristaps 1207: for (body = NULL; ; ) {
1.32 kristaps 1208: la = *pos;
1.119 schwarze 1209: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1210: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1211: break;
1212:
1.150 schwarze 1213: if (body == NULL && ac != ARGS_QWORD &&
1214: mdoc_isdelim(p) == DELIM_OPEN) {
1215: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1216: continue;
1.123 schwarze 1217: }
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:
1.153 schwarze 1222: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1223: break;
1.1 kristaps 1224: }
1.150 schwarze 1225: if (body == NULL)
1.190 schwarze 1226: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1227:
1.187 schwarze 1228: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1229: return;
1230:
1.164 schwarze 1231: rew_last(mdoc, body);
1.150 schwarze 1232: if (nl)
1233: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1234: rew_pending(mdoc, blk);
1.117 schwarze 1235:
1236: /* Move trailing .Ns out of scope. */
1237:
1238: for (n = body->child; n && n->next; n = n->next)
1239: /* Do nothing. */ ;
1.150 schwarze 1240: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1241: mdoc_node_relink(mdoc, n);
1.1 kristaps 1242: }
1243:
1.151 schwarze 1244: static void
1.1 kristaps 1245: blk_part_exp(MACRO_PROT_ARGS)
1246: {
1.60 kristaps 1247: int la, nl;
1.55 kristaps 1248: enum margserr ac;
1.185 schwarze 1249: struct roff_node *head; /* keep track of head */
1.1 kristaps 1250: char *p;
1251:
1.119 schwarze 1252: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1253:
1.43 kristaps 1254: /*
1255: * The opening of an explicit macro having zero or more leading
1256: * punctuation nodes; a head with optional single element (the
1257: * case of `Eo'); and a body that may be empty.
1258: */
1.32 kristaps 1259:
1.193 schwarze 1260: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1261: head = NULL;
1262: for (;;) {
1.32 kristaps 1263: la = *pos;
1.119 schwarze 1264: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1265: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1266: break;
1.43 kristaps 1267:
1268: /* Flush out leading punctuation. */
1269:
1.150 schwarze 1270: if (head == NULL && ac != ARGS_QWORD &&
1271: mdoc_isdelim(p) == DELIM_OPEN) {
1272: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1273: continue;
1.123 schwarze 1274: }
1.43 kristaps 1275:
1.150 schwarze 1276: if (head == NULL) {
1.190 schwarze 1277: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1278: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1279: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1280: rew_last(mdoc, head);
1.190 schwarze 1281: roff_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1282: if (tok == MDOC_Eo)
1.43 kristaps 1283: continue;
1.1 kristaps 1284: }
1.43 kristaps 1285:
1.153 schwarze 1286: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1287: break;
1.1 kristaps 1288: }
1289:
1.43 kristaps 1290: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1291:
1.163 schwarze 1292: if (head == NULL) {
1.190 schwarze 1293: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1294: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1295: }
1.150 schwarze 1296: if (nl)
1297: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1298: }
1299:
1.151 schwarze 1300: static void
1.1 kristaps 1301: in_line_argn(MACRO_PROT_ARGS)
1302: {
1.53 kristaps 1303: struct mdoc_arg *arg;
1304: char *p;
1.181 schwarze 1305: enum margserr ac;
1.185 schwarze 1306: int ntok;
1.181 schwarze 1307: int state; /* arg#; -1: not yet open; -2: closed */
1308: int la, maxargs, nl;
1.1 kristaps 1309:
1.156 schwarze 1310: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1311:
1.46 kristaps 1312: /*
1313: * A line macro that has a fixed number of arguments (maxargs).
1314: * Only open the scope once the first non-leading-punctuation is
1315: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1316: * keep it open until the maximum number of arguments are
1317: * exhausted.
1318: */
1.1 kristaps 1319:
1320: switch (tok) {
1.131 schwarze 1321: case MDOC_Ap:
1322: case MDOC_Ns:
1323: case MDOC_Ux:
1.1 kristaps 1324: maxargs = 0;
1325: break;
1.131 schwarze 1326: case MDOC_Bx:
1.132 schwarze 1327: case MDOC_Es:
1.131 schwarze 1328: case MDOC_Xr:
1.42 kristaps 1329: maxargs = 2;
1330: break;
1.1 kristaps 1331: default:
1332: maxargs = 1;
1333: break;
1334: }
1335:
1.152 schwarze 1336: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1337:
1.181 schwarze 1338: state = -1;
1.156 schwarze 1339: p = NULL;
1340: for (;;) {
1.32 kristaps 1341: la = *pos;
1.119 schwarze 1342: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1343:
1344: if (ac == ARGS_WORD && state == -1 &&
1345: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1346: mdoc_isdelim(p) == DELIM_OPEN) {
1347: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1348: continue;
1349: }
1350:
1351: if (state == -1 && tok != MDOC_In &&
1352: tok != MDOC_St && tok != MDOC_Xr) {
1353: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1354: state = 0;
1355: }
1356:
1.156 schwarze 1357: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1358: if (abs(state) < 2 && tok == MDOC_Pf)
1.156 schwarze 1359: mandoc_vmsg(MANDOCERR_PF_SKIP,
1360: mdoc->parse, line, ppos, "Pf %s",
1361: p == NULL ? "at eol" : p);
1.1 kristaps 1362: break;
1.156 schwarze 1363: }
1.1 kristaps 1364:
1.181 schwarze 1365: if (state == maxargs) {
1.149 schwarze 1366: rew_elem(mdoc, tok);
1.181 schwarze 1367: state = -2;
1.46 kristaps 1368: }
1369:
1.181 schwarze 1370: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
1.191 schwarze 1371: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1372:
1.191 schwarze 1373: if (ntok != TOKEN_NONE) {
1.181 schwarze 1374: if (state >= 0) {
1.149 schwarze 1375: rew_elem(mdoc, tok);
1.181 schwarze 1376: state = -2;
1377: }
1.151 schwarze 1378: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1379: break;
1380: }
1381:
1.181 schwarze 1382: if (ac == ARGS_QWORD ||
1383: mdoc_macros[tok].flags & MDOC_IGNDELIM ||
1384: mdoc_isdelim(p) == DELIM_NONE) {
1385: if (state == -1) {
1386: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1387: state = 1;
1388: } else if (state >= 0)
1389: state++;
1390: } else if (state >= 0) {
1.149 schwarze 1391: rew_elem(mdoc, tok);
1.181 schwarze 1392: state = -2;
1.1 kristaps 1393: }
1.42 kristaps 1394:
1.150 schwarze 1395: dword(mdoc, line, la, p, DELIM_MAX,
1396: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1397: }
1398:
1.181 schwarze 1399: if (state == -1) {
1400: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1401: line, ppos, mdoc_macronames[tok]);
1402: return;
1.156 schwarze 1403: }
1.181 schwarze 1404:
1405: if (state == 0 && tok == MDOC_Pf)
1406: append_delims(mdoc, line, pos, buf);
1407: if (state >= 0)
1.149 schwarze 1408: rew_elem(mdoc, tok);
1.150 schwarze 1409: if (nl)
1410: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1411: }
1412:
1.151 schwarze 1413: static void
1.1 kristaps 1414: in_line_eoln(MACRO_PROT_ARGS)
1415: {
1.185 schwarze 1416: struct roff_node *n;
1.170 schwarze 1417: struct mdoc_arg *arg;
1.1 kristaps 1418:
1.170 schwarze 1419: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1420: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1421: n = mdoc->last;
1.189 schwarze 1422: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1423: n = n->parent;
1424: if (n->tok == MDOC_Nm)
1.198 schwarze 1425: rew_last(mdoc, n->parent);
1.178 schwarze 1426: }
1427:
1.179 schwarze 1428: if (buf[*pos] == '\0' &&
1429: (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
1.178 schwarze 1430: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.179 schwarze 1431: line, ppos, mdoc_macronames[tok]);
1.178 schwarze 1432: return;
1.170 schwarze 1433: }
1.90 schwarze 1434:
1.152 schwarze 1435: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1436: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1437: if (parse_rest(mdoc, tok, line, pos, buf))
1438: return;
1439: rew_elem(mdoc, tok);
1440: }
1441:
1442: /*
1443: * The simplest argument parser available: Parse the remaining
1444: * words until the end of the phrase or line and return 0
1445: * or until the next macro, call that macro, and return 1.
1446: */
1447: static int
1.189 schwarze 1448: parse_rest(struct roff_man *mdoc, int tok, int line, int *pos, char *buf)
1.154 schwarze 1449: {
1450: int la;
1.1 kristaps 1451:
1452: for (;;) {
1453: la = *pos;
1.153 schwarze 1454: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.202 schwarze 1455: return 0;
1.153 schwarze 1456: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.202 schwarze 1457: return 1;
1.1 kristaps 1458: }
1459: }
1460:
1.151 schwarze 1461: static void
1.41 kristaps 1462: ctx_synopsis(MACRO_PROT_ARGS)
1463: {
1.60 kristaps 1464:
1.151 schwarze 1465: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1466: in_line(mdoc, tok, line, ppos, pos, buf);
1467: else if (tok == MDOC_Nm)
1468: blk_full(mdoc, tok, line, ppos, pos, buf);
1469: else {
1470: assert(tok == MDOC_Vt);
1471: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1472: }
1.1 kristaps 1473: }
1474:
1.24 kristaps 1475: /*
1476: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1477: * They're unusual because they're basically free-form text until a
1478: * macro is encountered.
1479: */
1.151 schwarze 1480: static void
1.75 kristaps 1481: phrase_ta(MACRO_PROT_ARGS)
1482: {
1.185 schwarze 1483: struct roff_node *body, *n;
1.75 kristaps 1484:
1.121 schwarze 1485: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1486:
1.167 schwarze 1487: body = NULL;
1488: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1489: if (n->flags & NODE_ENDED)
1.167 schwarze 1490: continue;
1.184 schwarze 1491: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1492: body = n;
1.208 schwarze 1493: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1494: break;
1495: }
1496:
1.151 schwarze 1497: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1498: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1499: line, ppos, "Ta");
1.151 schwarze 1500: return;
1.121 schwarze 1501: }
1.75 kristaps 1502:
1.121 schwarze 1503: /* Advance to the next column. */
1.150 schwarze 1504:
1.167 schwarze 1505: rew_last(mdoc, body);
1.190 schwarze 1506: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1507: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1508: }
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