Annotation of mandoc/mdoc_macro.c, Revision 1.217
1.217 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.216 2017/02/16 03:00:23 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.216 schwarze 4: * Copyright (c) 2010, 2012-2017 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: {
1.217 ! schwarze 384: if (n != breaker &&
! 385: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
! 386: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
! 387: n = n->parent;
1.213 schwarze 388: while (n != breaker) {
389: if ( ! (n->flags & NODE_VALID))
390: n->flags |= NODE_BROKEN;
391: n = n->parent;
392: }
393: }
394:
1.83 schwarze 395: /*
1.187 schwarze 396: * If there is an open sub-block of the target requiring
397: * explicit close-out, postpone closing out the target until
398: * the rew_pending() call closing out the sub-block.
399: */
400: static int
1.189 schwarze 401: find_pending(struct roff_man *mdoc, int tok, int line, int ppos,
1.187 schwarze 402: struct roff_node *target)
403: {
404: struct roff_node *n;
405: int irc;
406:
1.215 schwarze 407: if (target->flags & NODE_VALID)
408: return 0;
409:
1.187 schwarze 410: irc = 0;
411: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.213 schwarze 412: if (n->flags & NODE_ENDED)
1.187 schwarze 413: continue;
414: if (n->type == ROFFT_BLOCK &&
415: mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
416: irc = 1;
1.217 ! schwarze 417: break_intermediate(mdoc->last, target);
1.187 schwarze 418: if (target->type == ROFFT_HEAD)
1.212 schwarze 419: target->flags |= NODE_ENDED;
1.210 schwarze 420: else if ( ! (target->flags & NODE_ENDED)) {
1.187 schwarze 421: mandoc_vmsg(MANDOCERR_BLK_NEST,
422: mdoc->parse, line, ppos,
423: "%s breaks %s", mdoc_macronames[tok],
424: mdoc_macronames[n->tok]);
425: mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 426: tok, target);
1.187 schwarze 427: }
428: }
429: }
1.202 schwarze 430: return irc;
1.187 schwarze 431: }
432:
433: /*
1.105 kristaps 434: * Allocate a word and check whether it's punctuation or not.
435: * Punctuation consists of those tokens found in mdoc_isdelim().
436: */
1.150 schwarze 437: static void
1.189 schwarze 438: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 439: enum mdelim d, int may_append)
1.105 kristaps 440: {
1.131 schwarze 441:
1.150 schwarze 442: if (d == DELIM_MAX)
1.105 kristaps 443: d = mdoc_isdelim(p);
444:
1.123 schwarze 445: if (may_append &&
1.150 schwarze 446: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 447: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 448: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 449: roff_word_append(mdoc, p);
1.150 schwarze 450: return;
1.123 schwarze 451: }
452:
1.192 schwarze 453: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 454:
1.108 schwarze 455: /*
1.144 schwarze 456: * If the word consists of a bare delimiter,
457: * flag the new node accordingly,
458: * unless doing so was vetoed by the invoking macro.
459: * Always clear the veto, it is only valid for one word.
1.108 schwarze 460: */
461:
1.144 schwarze 462: if (d == DELIM_OPEN)
1.210 schwarze 463: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 464: else if (d == DELIM_CLOSE &&
465: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 466: mdoc->last->parent->tok != MDOC_Fd)
1.210 schwarze 467: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 468: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 469: }
1.1 kristaps 470:
1.150 schwarze 471: static void
1.189 schwarze 472: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 473: {
1.153 schwarze 474: char *p;
1.66 kristaps 475: int la;
1.1 kristaps 476:
1.150 schwarze 477: if (buf[*pos] == '\0')
478: return;
1.1 kristaps 479:
480: for (;;) {
1.66 kristaps 481: la = *pos;
1.191 schwarze 482: if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
483: ARGS_EOLN)
1.1 kristaps 484: break;
1.123 schwarze 485: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 486:
487: /*
488: * If we encounter end-of-sentence symbols, then trigger
489: * the double-space.
490: *
1.109 kristaps 491: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 492: * the last symbol, such that `. )' will cause the
493: * correct double-spacing. However, (1) groff isn't
494: * smart enough to do this and (2) it would require
495: * knowing which symbols break this behaviour, for
1.109 kristaps 496: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 497: */
1.150 schwarze 498:
1.127 schwarze 499: if (mandoc_eos(p, strlen(p)))
1.210 schwarze 500: mdoc->last->flags |= NODE_EOS;
1.1 kristaps 501: }
502: }
503:
504: /*
1.153 schwarze 505: * Parse one word.
506: * If it is a macro, call it and return 1.
507: * Otherwise, allocate it and return 0.
508: */
509: static int
510: macro_or_word(MACRO_PROT_ARGS, int parsed)
511: {
512: char *p;
1.185 schwarze 513: int ntok;
1.153 schwarze 514:
515: p = buf + ppos;
1.191 schwarze 516: ntok = TOKEN_NONE;
1.157 schwarze 517: if (*p == '"')
1.153 schwarze 518: p++;
1.157 schwarze 519: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.155 schwarze 520: ntok = lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 521:
1.191 schwarze 522: if (ntok == TOKEN_NONE) {
523: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.153 schwarze 524: mdoc_macros[tok].flags & MDOC_JOIN);
1.202 schwarze 525: return 0;
1.153 schwarze 526: } else {
527: if (mdoc_macros[tok].fp == in_line_eoln)
528: rew_elem(mdoc, tok);
529: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 530: if (tok == TOKEN_NONE)
1.153 schwarze 531: append_delims(mdoc, line, pos, buf);
1.202 schwarze 532: return 1;
1.153 schwarze 533: }
534: }
535:
536: /*
1.131 schwarze 537: * Close out block partial/full explicit.
1.1 kristaps 538: */
1.151 schwarze 539: static void
1.1 kristaps 540: blk_exp_close(MACRO_PROT_ARGS)
541: {
1.185 schwarze 542: struct roff_node *body; /* Our own body. */
543: struct roff_node *endbody; /* Our own end marker. */
544: struct roff_node *itblk; /* An It block starting later. */
545: struct roff_node *later; /* A sub-block starting later. */
546: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 547: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 548:
1.188 schwarze 549: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 550: enum margserr ac;
1.185 schwarze 551: int atok, ntok;
1.1 kristaps 552: char *p;
553:
1.119 schwarze 554: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 555:
1.1 kristaps 556: switch (tok) {
1.131 schwarze 557: case MDOC_Ec:
1.1 kristaps 558: maxargs = 1;
559: break;
1.131 schwarze 560: case MDOC_Ek:
1.125 schwarze 561: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 562: /* FALLTHROUGH */
1.1 kristaps 563: default:
564: maxargs = 0;
565: break;
566: }
567:
1.209 schwarze 568: /* Search backwards for the beginning of our own body. */
569:
570: atok = rew_alt(tok);
571: body = NULL;
572: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 573: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 574: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
575: continue;
576: body = n;
577: break;
578: }
579:
1.83 schwarze 580: /*
581: * Search backwards for beginnings of blocks,
582: * both of our own and of pending sub-blocks.
583: */
1.151 schwarze 584:
1.209 schwarze 585: endbody = itblk = later = NULL;
1.119 schwarze 586: for (n = mdoc->last; n; n = n->parent) {
1.213 schwarze 587: if (n->flags & NODE_ENDED)
1.83 schwarze 588: continue;
589:
1.209 schwarze 590: /*
1.211 schwarze 591: * Mismatching end macros can never break anything
1.209 schwarze 592: * and we only care about the breaking of BLOCKs.
593: */
1.83 schwarze 594:
1.211 schwarze 595: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 596: continue;
1.160 schwarze 597:
1.211 schwarze 598: /*
599: * SYNOPSIS name blocks can not be broken themselves,
600: * but they do get broken together with a broken child.
601: */
602:
603: if (n->tok == MDOC_Nm) {
604: if (later != NULL)
605: n->flags |= NODE_BROKEN | NODE_ENDED;
606: continue;
607: }
608:
1.160 schwarze 609: if (n->tok == MDOC_It) {
1.171 schwarze 610: itblk = n;
1.160 schwarze 611: continue;
612: }
613:
1.83 schwarze 614: if (atok == n->tok) {
615:
616: /*
617: * Found the start of our own block.
618: * When there is no pending sub block,
619: * just proceed to closing out.
620: */
1.151 schwarze 621:
1.160 schwarze 622: if (later == NULL ||
1.171 schwarze 623: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 624: break;
625:
1.131 schwarze 626: /*
1.167 schwarze 627: * When there is a pending sub block, postpone
628: * closing out the current block until the
629: * rew_pending() closing out the sub-block.
1.83 schwarze 630: * Mark the place where the formatting - but not
631: * the scope - of the current block ends.
632: */
1.151 schwarze 633:
1.183 schwarze 634: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
635: line, ppos, "%s breaks %s",
636: mdoc_macronames[atok],
637: mdoc_macronames[later->tok]);
638:
1.166 schwarze 639: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 640: atok, body);
1.151 schwarze 641:
1.183 schwarze 642: if (tok == MDOC_El)
1.210 schwarze 643: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 644:
1.151 schwarze 645: /*
646: * If a block closing macro taking arguments
647: * breaks another block, put the arguments
1.166 schwarze 648: * into the end marker.
1.151 schwarze 649: */
650:
1.166 schwarze 651: if (maxargs)
1.189 schwarze 652: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 653: break;
1.182 schwarze 654: }
655:
1.214 schwarze 656: /*
657: * Explicit blocks close out description lines, but
658: * even those can get broken together with a child.
659: */
1.182 schwarze 660:
661: if (n->tok == MDOC_Nd) {
1.214 schwarze 662: if (later != NULL)
663: n->flags |= NODE_BROKEN | NODE_ENDED;
664: else
665: rew_last(mdoc, n);
1.182 schwarze 666: continue;
1.83 schwarze 667: }
668:
1.183 schwarze 669: /* Breaking an open sub block. */
1.151 schwarze 670:
1.213 schwarze 671: break_intermediate(mdoc->last, body);
1.210 schwarze 672: n->flags |= NODE_BROKEN;
1.183 schwarze 673: if (later == NULL)
1.83 schwarze 674: later = n;
675: }
1.166 schwarze 676:
677: if (body == NULL) {
678: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
679: line, ppos, mdoc_macronames[tok]);
680: if (maxargs && endbody == NULL) {
681: /*
682: * Stray .Ec without previous .Eo:
683: * Break the output line, keep the arguments.
684: */
1.193 schwarze 685: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.166 schwarze 686: rew_elem(mdoc, MDOC_br);
687: }
688: } else if (endbody == NULL) {
689: rew_last(mdoc, body);
690: if (maxargs)
691: mdoc_tail_alloc(mdoc, line, ppos, atok);
692: }
1.83 schwarze 693:
1.150 schwarze 694: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
695: if (buf[*pos] != '\0')
1.136 schwarze 696: mandoc_vmsg(MANDOCERR_ARG_SKIP,
697: mdoc->parse, line, ppos,
698: "%s %s", mdoc_macronames[tok],
699: buf + *pos);
1.171 schwarze 700: if (endbody == NULL && n != NULL)
1.167 schwarze 701: rew_pending(mdoc, n);
1.151 schwarze 702: return;
1.1 kristaps 703: }
704:
1.166 schwarze 705: if (endbody != NULL)
706: n = endbody;
1.197 schwarze 707:
708: ntok = TOKEN_NONE;
1.148 schwarze 709: for (j = 0; ; j++) {
1.1 kristaps 710: lastarg = *pos;
711:
1.186 schwarze 712: if (j == maxargs && n != NULL)
713: rew_last(mdoc, n);
1.1 kristaps 714:
1.119 schwarze 715: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 716: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 717: break;
718:
1.191 schwarze 719: ntok = ac == ARGS_QWORD ? TOKEN_NONE :
1.155 schwarze 720: lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 721:
1.191 schwarze 722: if (ntok == TOKEN_NONE) {
1.150 schwarze 723: dword(mdoc, line, lastarg, p, DELIM_MAX,
724: MDOC_JOIN & mdoc_macros[tok].flags);
1.54 kristaps 725: continue;
726: }
1.1 kristaps 727:
1.186 schwarze 728: if (n != NULL)
729: rew_last(mdoc, n);
1.122 schwarze 730: mdoc->flags &= ~MDOC_NEWLINE;
1.151 schwarze 731: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 732: break;
1.1 kristaps 733: }
734:
1.188 schwarze 735: if (n != NULL) {
1.212 schwarze 736: pending = 0;
1.210 schwarze 737: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 738: target = n;
739: do
740: target = target->parent;
1.210 schwarze 741: while ( ! (target->flags & NODE_ENDED));
1.215 schwarze 742: pending = find_pending(mdoc, ntok, line, ppos, target);
1.212 schwarze 743: }
1.188 schwarze 744: if ( ! pending)
745: rew_pending(mdoc, n);
746: }
1.150 schwarze 747: if (nl)
748: append_delims(mdoc, line, pos, buf);
1.1 kristaps 749: }
750:
1.151 schwarze 751: static void
1.1 kristaps 752: in_line(MACRO_PROT_ARGS)
753: {
1.144 schwarze 754: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.185 schwarze 755: int ntok;
1.55 kristaps 756: enum margserr ac;
1.67 schwarze 757: enum mdelim d;
1.53 kristaps 758: struct mdoc_arg *arg;
759: char *p;
1.1 kristaps 760:
1.119 schwarze 761: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 762:
1.4 kristaps 763: /*
764: * Whether we allow ignored elements (those without content,
765: * usually because of reserved words) to squeak by.
766: */
1.45 kristaps 767:
1.4 kristaps 768: switch (tok) {
1.131 schwarze 769: case MDOC_An:
770: case MDOC_Ar:
771: case MDOC_Fl:
772: case MDOC_Mt:
773: case MDOC_Nm:
774: case MDOC_Pa:
1.4 kristaps 775: nc = 1;
776: break;
777: default:
778: nc = 0;
779: break;
780: }
781:
1.152 schwarze 782: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 783:
1.144 schwarze 784: d = DELIM_NONE;
785: firstarg = 1;
1.142 schwarze 786: mayopen = 1;
1.70 kristaps 787: for (cnt = scope = 0;; ) {
1.1 kristaps 788: la = *pos;
1.119 schwarze 789: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 790:
1.144 schwarze 791: /*
792: * At the end of a macro line,
793: * opening delimiters do not suppress spacing.
794: */
795:
796: if (ac == ARGS_EOLN) {
797: if (d == DELIM_OPEN)
1.210 schwarze 798: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 799: break;
1.144 schwarze 800: }
801:
802: /*
803: * The rest of the macro line is only punctuation,
804: * to be handled by append_delims().
805: * If there were no other arguments,
806: * do not allow the first one to suppress spacing,
807: * even if it turns out to be a closing one.
808: */
809:
810: if (ac == ARGS_PUNCT) {
1.176 schwarze 811: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 812: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 813: break;
1.144 schwarze 814: }
1.1 kristaps 815:
1.145 schwarze 816: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.191 schwarze 817: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 818:
1.131 schwarze 819: /*
1.4 kristaps 820: * In this case, we've located a submacro and must
821: * execute it. Close out scope, if open. If no
822: * elements have been generated, either create one (nc)
823: * or raise a warning.
824: */
1.1 kristaps 825:
1.191 schwarze 826: if (ntok != TOKEN_NONE) {
1.149 schwarze 827: if (scope)
828: rew_elem(mdoc, tok);
1.150 schwarze 829: if (nc && ! cnt) {
830: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 831: rew_last(mdoc, mdoc->last);
1.150 schwarze 832: } else if ( ! nc && ! cnt) {
1.7 kristaps 833: mdoc_argv_free(arg);
1.135 schwarze 834: mandoc_msg(MANDOCERR_MACRO_EMPTY,
835: mdoc->parse, line, ppos,
836: mdoc_macronames[tok]);
1.7 kristaps 837: }
1.151 schwarze 838: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.150 schwarze 839: if (nl)
840: append_delims(mdoc, line, pos, buf);
1.151 schwarze 841: return;
1.131 schwarze 842: }
1.1 kristaps 843:
1.131 schwarze 844: /*
1.4 kristaps 845: * Non-quote-enclosed punctuation. Set up our scope, if
846: * a word; rewind the scope, if a delimiter; then append
1.131 schwarze 847: * the word.
1.4 kristaps 848: */
1.1 kristaps 849:
1.150 schwarze 850: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.3 kristaps 851:
1.70 kristaps 852: if (DELIM_NONE != d) {
853: /*
854: * If we encounter closing punctuation, no word
1.144 schwarze 855: * has been emitted, no scope is open, and we're
1.70 kristaps 856: * allowed to have an empty element, then start
1.142 schwarze 857: * a new scope.
1.70 kristaps 858: */
1.142 schwarze 859: if ((d == DELIM_CLOSE ||
860: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 861: !cnt && !scope && nc && mayopen) {
1.150 schwarze 862: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 863: scope = 1;
1.142 schwarze 864: cnt++;
1.150 schwarze 865: if (tok == MDOC_Nm)
1.142 schwarze 866: mayopen = 0;
1.70 kristaps 867: }
868: /*
869: * Close out our scope, if one is open, before
870: * any punctuation.
871: */
1.149 schwarze 872: if (scope)
873: rew_elem(mdoc, tok);
1.70 kristaps 874: scope = 0;
1.145 schwarze 875: if (tok == MDOC_Fn)
876: mayopen = 0;
1.142 schwarze 877: } else if (mayopen && !scope) {
1.150 schwarze 878: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 879: scope = 1;
1.142 schwarze 880: cnt++;
1.1 kristaps 881: }
1.105 kristaps 882:
1.150 schwarze 883: dword(mdoc, line, la, p, d,
884: MDOC_JOIN & mdoc_macros[tok].flags);
1.39 kristaps 885:
886: /*
1.144 schwarze 887: * If the first argument is a closing delimiter,
888: * do not suppress spacing before it.
889: */
890:
891: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 892: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 893: firstarg = 0;
894:
895: /*
1.39 kristaps 896: * `Fl' macros have their scope re-opened with each new
897: * word so that the `-' can be added to each one without
898: * having to parse out spaces.
899: */
1.150 schwarze 900: if (scope && tok == MDOC_Fl) {
1.149 schwarze 901: rew_elem(mdoc, tok);
1.70 kristaps 902: scope = 0;
1.39 kristaps 903: }
1.1 kristaps 904: }
905:
1.149 schwarze 906: if (scope)
907: rew_elem(mdoc, tok);
1.4 kristaps 908:
909: /*
910: * If no elements have been collected and we're allowed to have
911: * empties (nc), open a scope and close it out. Otherwise,
912: * raise a warning.
913: */
1.45 kristaps 914:
1.150 schwarze 915: if ( ! cnt) {
916: if (nc) {
917: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
918: rew_last(mdoc, mdoc->last);
919: } else {
920: mdoc_argv_free(arg);
921: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
922: line, ppos, mdoc_macronames[tok]);
923: }
1.7 kristaps 924: }
1.150 schwarze 925: if (nl)
926: append_delims(mdoc, line, pos, buf);
1.1 kristaps 927: }
928:
1.151 schwarze 929: static void
1.1 kristaps 930: blk_full(MACRO_PROT_ARGS)
931: {
1.153 schwarze 932: int la, nl, parsed;
1.1 kristaps 933: struct mdoc_arg *arg;
1.185 schwarze 934: struct roff_node *blk; /* Our own or a broken block. */
935: struct roff_node *head; /* Our own head. */
936: struct roff_node *body; /* Our own body. */
937: struct roff_node *n;
1.59 kristaps 938: enum margserr ac, lac;
1.1 kristaps 939: char *p;
940:
1.119 schwarze 941: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 942:
1.177 schwarze 943: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
944: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
945: line, ppos, mdoc_macronames[tok]);
946: return;
947: }
948:
1.171 schwarze 949: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
950:
951: /* Here, tok is one of Sh Ss Nm Nd It. */
952:
953: blk = NULL;
954: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 955: if (n->flags & NODE_ENDED) {
956: if ( ! (n->flags & NODE_VALID))
957: n->flags |= NODE_BROKEN;
1.183 schwarze 958: continue;
959: }
1.184 schwarze 960: if (n->type != ROFFT_BLOCK)
1.171 schwarze 961: continue;
1.183 schwarze 962:
1.171 schwarze 963: if (tok == MDOC_It && n->tok == MDOC_Bl) {
964: if (blk != NULL) {
965: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
966: mdoc->parse, line, ppos,
967: "It breaks %s",
968: mdoc_macronames[blk->tok]);
969: rew_pending(mdoc, blk);
970: }
971: break;
972: }
973:
974: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
975: switch (tok) {
976: case MDOC_Sh:
977: case MDOC_Ss:
978: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
979: mdoc->parse, line, ppos,
980: "%s breaks %s",
981: mdoc_macronames[tok],
982: mdoc_macronames[n->tok]);
983: rew_pending(mdoc, n);
1.180 schwarze 984: n = mdoc->last;
1.171 schwarze 985: continue;
986: case MDOC_It:
987: /* Delay in case it's astray. */
988: blk = n;
989: continue;
990: default:
991: break;
992: }
993: break;
994: }
995:
996: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 997:
1.171 schwarze 998: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
999: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1000: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 1001: break;
1.171 schwarze 1002:
1003: /* Item breaking an explicit block. */
1004:
1005: if (blk != NULL) {
1006: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
1007: mdoc->parse, line, ppos,
1008: "It breaks %s",
1009: mdoc_macronames[blk->tok]);
1010: rew_pending(mdoc, blk);
1.172 schwarze 1011: blk = NULL;
1.171 schwarze 1012: }
1013:
1014: /* Close out prior implicit scopes. */
1015:
1.211 schwarze 1016: rew_pending(mdoc, n);
1.171 schwarze 1017: }
1018:
1019: /* Skip items outside lists. */
1020:
1021: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.138 schwarze 1022: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1023: line, ppos, "It %s", buf + *pos);
1.193 schwarze 1024: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.149 schwarze 1025: rew_elem(mdoc, MDOC_br);
1.151 schwarze 1026: return;
1.138 schwarze 1027: }
1.1 kristaps 1028: }
1029:
1.45 kristaps 1030: /*
1.109 kristaps 1031: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1032: * macro openings. Implicit ones first close out prior scope
1033: * (seen above). Delay opening the head until necessary to
1034: * allow leading punctuation to print. Special consideration
1035: * for `It -column', which has phrase-part syntax instead of
1036: * regular child nodes.
1037: */
1038:
1.152 schwarze 1039: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1040: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1041: head = body = NULL;
1.115 schwarze 1042:
1043: /*
1044: * Exception: Heads of `It' macros in `-diag' lists are not
1045: * parsed, even though `It' macros in general are parsed.
1046: */
1.151 schwarze 1047:
1.153 schwarze 1048: parsed = tok != MDOC_It ||
1049: mdoc->last->parent->tok != MDOC_Bl ||
1050: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1051:
1.45 kristaps 1052: /*
1053: * The `Nd' macro has all arguments in its body: it's a hybrid
1054: * of block partial-explicit and full-implicit. Stupid.
1055: */
1.19 kristaps 1056:
1.150 schwarze 1057: if (tok == MDOC_Nd) {
1.190 schwarze 1058: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1059: rew_last(mdoc, head);
1.190 schwarze 1060: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1061: }
1062:
1.150 schwarze 1063: if (tok == MDOC_Bk)
1.123 schwarze 1064: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1065:
1.205 schwarze 1066: ac = ARGS_EOLN;
1.150 schwarze 1067: for (;;) {
1.205 schwarze 1068:
1069: /*
1070: * If we are right after a tab character,
1071: * do not parse the first word for macros.
1072: */
1073:
1074: if (mdoc->flags & MDOC_PHRASEQN) {
1075: mdoc->flags &= ~MDOC_PHRASEQN;
1076: mdoc->flags |= MDOC_PHRASEQF;
1077: }
1078:
1.45 kristaps 1079: la = *pos;
1.150 schwarze 1080: lac = ac;
1.119 schwarze 1081: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1082: if (ac == ARGS_EOLN) {
1.205 schwarze 1083: if (lac != ARGS_PHRASE ||
1084: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1085: break;
1.205 schwarze 1086:
1.75 kristaps 1087: /*
1.205 schwarze 1088: * This line ends in a tab; start the next
1089: * column now, with a leading blank.
1.75 kristaps 1090: */
1.205 schwarze 1091:
1.167 schwarze 1092: if (body != NULL)
1093: rew_last(mdoc, body);
1.190 schwarze 1094: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1095: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1096: break;
1.75 kristaps 1097: }
1.205 schwarze 1098:
1.174 schwarze 1099: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1100: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1101: mdoc->parse, line, la, "%s ... %s",
1102: mdoc_macronames[tok], buf + la);
1103: break;
1104: }
1.173 schwarze 1105: if (tok == MDOC_Rs) {
1106: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1107: line, la, "Rs %s", buf + la);
1108: break;
1109: }
1110: if (ac == ARGS_PUNCT)
1111: break;
1.45 kristaps 1112:
1.131 schwarze 1113: /*
1.73 kristaps 1114: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1115: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1116: */
1.45 kristaps 1117:
1.150 schwarze 1118: if (head == NULL &&
1119: ac != ARGS_PHRASE &&
1120: ac != ARGS_QWORD &&
1121: mdoc_isdelim(p) == DELIM_OPEN) {
1122: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1123: continue;
1124: }
1125:
1.74 kristaps 1126: /* Open a head if one hasn't been opened. */
1.45 kristaps 1127:
1.150 schwarze 1128: if (head == NULL)
1.190 schwarze 1129: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1130:
1.205 schwarze 1131: if (ac == ARGS_PHRASE) {
1.151 schwarze 1132:
1.73 kristaps 1133: /*
1.74 kristaps 1134: * If we haven't opened a body yet, rewind the
1135: * head; if we have, rewind that instead.
1136: */
1137:
1.167 schwarze 1138: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1139: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1140:
1.205 schwarze 1141: /* Process to the tab or to the end of the line. */
1.74 kristaps 1142:
1.205 schwarze 1143: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1144: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1145: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1146:
1147: /* There may have been `Ta' macros. */
1148:
1149: while (body->next != NULL)
1150: body = body->next;
1.1 kristaps 1151: continue;
1152: }
1153:
1.153 schwarze 1154: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1155: break;
1.45 kristaps 1156: }
1.1 kristaps 1157:
1.210 schwarze 1158: if (blk->flags & NODE_VALID)
1.165 schwarze 1159: return;
1.150 schwarze 1160: if (head == NULL)
1.190 schwarze 1161: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1162: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1163: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1164: if (body != NULL)
1.77 kristaps 1165: goto out;
1.187 schwarze 1166: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1167: return;
1.47 kristaps 1168:
1.45 kristaps 1169: /* Close out scopes to remain in a consistent state. */
1170:
1.167 schwarze 1171: rew_last(mdoc, head);
1.190 schwarze 1172: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1173: out:
1.150 schwarze 1174: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1175: rew_last(mdoc, body);
1176: rew_last(mdoc, blk);
1.150 schwarze 1177: mdoc->flags &= ~MDOC_FREECOL;
1178: }
1.1 kristaps 1179: }
1180:
1.151 schwarze 1181: static void
1.1 kristaps 1182: blk_part_imp(MACRO_PROT_ARGS)
1183: {
1.63 kristaps 1184: int la, nl;
1.55 kristaps 1185: enum margserr ac;
1.1 kristaps 1186: char *p;
1.185 schwarze 1187: struct roff_node *blk; /* saved block context */
1188: struct roff_node *body; /* saved body context */
1189: struct roff_node *n;
1.1 kristaps 1190:
1.119 schwarze 1191: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1192:
1.43 kristaps 1193: /*
1194: * A macro that spans to the end of the line. This is generally
1195: * (but not necessarily) called as the first macro. The block
1196: * has a head as the immediate child, which is always empty,
1197: * followed by zero or more opening punctuation nodes, then the
1198: * body (which may be empty, depending on the macro), then zero
1199: * or more closing punctuation nodes.
1200: */
1.32 kristaps 1201:
1.150 schwarze 1202: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1203: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1204:
1.43 kristaps 1205: /*
1206: * Open the body scope "on-demand", that is, after we've
1207: * processed all our the leading delimiters (open parenthesis,
1208: * etc.).
1209: */
1.1 kristaps 1210:
1.43 kristaps 1211: for (body = NULL; ; ) {
1.32 kristaps 1212: la = *pos;
1.119 schwarze 1213: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1214: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1215: break;
1216:
1.150 schwarze 1217: if (body == NULL && ac != ARGS_QWORD &&
1218: mdoc_isdelim(p) == DELIM_OPEN) {
1219: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1220: continue;
1.123 schwarze 1221: }
1.1 kristaps 1222:
1.150 schwarze 1223: if (body == NULL)
1.190 schwarze 1224: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1225:
1.153 schwarze 1226: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1227: break;
1.1 kristaps 1228: }
1.150 schwarze 1229: if (body == NULL)
1.190 schwarze 1230: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1231:
1.187 schwarze 1232: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1233: return;
1234:
1.164 schwarze 1235: rew_last(mdoc, body);
1.150 schwarze 1236: if (nl)
1237: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1238: rew_pending(mdoc, blk);
1.117 schwarze 1239:
1240: /* Move trailing .Ns out of scope. */
1241:
1242: for (n = body->child; n && n->next; n = n->next)
1243: /* Do nothing. */ ;
1.150 schwarze 1244: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1245: mdoc_node_relink(mdoc, n);
1.1 kristaps 1246: }
1247:
1.151 schwarze 1248: static void
1.1 kristaps 1249: blk_part_exp(MACRO_PROT_ARGS)
1250: {
1.60 kristaps 1251: int la, nl;
1.55 kristaps 1252: enum margserr ac;
1.185 schwarze 1253: struct roff_node *head; /* keep track of head */
1.1 kristaps 1254: char *p;
1255:
1.119 schwarze 1256: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1257:
1.43 kristaps 1258: /*
1259: * The opening of an explicit macro having zero or more leading
1260: * punctuation nodes; a head with optional single element (the
1261: * case of `Eo'); and a body that may be empty.
1262: */
1.32 kristaps 1263:
1.193 schwarze 1264: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1265: head = NULL;
1266: for (;;) {
1.32 kristaps 1267: la = *pos;
1.119 schwarze 1268: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1269: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1270: break;
1.43 kristaps 1271:
1272: /* Flush out leading punctuation. */
1273:
1.150 schwarze 1274: if (head == NULL && ac != ARGS_QWORD &&
1275: mdoc_isdelim(p) == DELIM_OPEN) {
1276: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1277: continue;
1.123 schwarze 1278: }
1.43 kristaps 1279:
1.150 schwarze 1280: if (head == NULL) {
1.190 schwarze 1281: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1282: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1283: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1284: rew_last(mdoc, head);
1.190 schwarze 1285: roff_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1286: if (tok == MDOC_Eo)
1.43 kristaps 1287: continue;
1.1 kristaps 1288: }
1.43 kristaps 1289:
1.153 schwarze 1290: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1291: break;
1.1 kristaps 1292: }
1293:
1.43 kristaps 1294: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1295:
1.163 schwarze 1296: if (head == NULL) {
1.190 schwarze 1297: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1298: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1299: }
1.150 schwarze 1300: if (nl)
1301: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1302: }
1303:
1.151 schwarze 1304: static void
1.1 kristaps 1305: in_line_argn(MACRO_PROT_ARGS)
1306: {
1.53 kristaps 1307: struct mdoc_arg *arg;
1308: char *p;
1.181 schwarze 1309: enum margserr ac;
1.185 schwarze 1310: int ntok;
1.181 schwarze 1311: int state; /* arg#; -1: not yet open; -2: closed */
1312: int la, maxargs, nl;
1.1 kristaps 1313:
1.156 schwarze 1314: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1315:
1.46 kristaps 1316: /*
1317: * A line macro that has a fixed number of arguments (maxargs).
1318: * Only open the scope once the first non-leading-punctuation is
1319: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1320: * keep it open until the maximum number of arguments are
1321: * exhausted.
1322: */
1.1 kristaps 1323:
1324: switch (tok) {
1.131 schwarze 1325: case MDOC_Ap:
1326: case MDOC_Ns:
1327: case MDOC_Ux:
1.1 kristaps 1328: maxargs = 0;
1329: break;
1.131 schwarze 1330: case MDOC_Bx:
1.132 schwarze 1331: case MDOC_Es:
1.131 schwarze 1332: case MDOC_Xr:
1.42 kristaps 1333: maxargs = 2;
1334: break;
1.1 kristaps 1335: default:
1336: maxargs = 1;
1337: break;
1338: }
1339:
1.152 schwarze 1340: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1341:
1.181 schwarze 1342: state = -1;
1.156 schwarze 1343: p = NULL;
1344: for (;;) {
1.32 kristaps 1345: la = *pos;
1.119 schwarze 1346: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1347:
1348: if (ac == ARGS_WORD && state == -1 &&
1349: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1350: mdoc_isdelim(p) == DELIM_OPEN) {
1351: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1352: continue;
1353: }
1354:
1355: if (state == -1 && tok != MDOC_In &&
1356: tok != MDOC_St && tok != MDOC_Xr) {
1357: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1358: state = 0;
1359: }
1360:
1.156 schwarze 1361: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1362: if (abs(state) < 2 && tok == MDOC_Pf)
1.156 schwarze 1363: mandoc_vmsg(MANDOCERR_PF_SKIP,
1364: mdoc->parse, line, ppos, "Pf %s",
1365: p == NULL ? "at eol" : p);
1.1 kristaps 1366: break;
1.156 schwarze 1367: }
1.1 kristaps 1368:
1.181 schwarze 1369: if (state == maxargs) {
1.149 schwarze 1370: rew_elem(mdoc, tok);
1.181 schwarze 1371: state = -2;
1.46 kristaps 1372: }
1373:
1.181 schwarze 1374: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
1.191 schwarze 1375: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1376:
1.191 schwarze 1377: if (ntok != TOKEN_NONE) {
1.181 schwarze 1378: if (state >= 0) {
1.149 schwarze 1379: rew_elem(mdoc, tok);
1.181 schwarze 1380: state = -2;
1381: }
1.151 schwarze 1382: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1383: break;
1384: }
1385:
1.181 schwarze 1386: if (ac == ARGS_QWORD ||
1387: mdoc_macros[tok].flags & MDOC_IGNDELIM ||
1388: mdoc_isdelim(p) == DELIM_NONE) {
1389: if (state == -1) {
1390: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1391: state = 1;
1392: } else if (state >= 0)
1393: state++;
1394: } else if (state >= 0) {
1.149 schwarze 1395: rew_elem(mdoc, tok);
1.181 schwarze 1396: state = -2;
1.1 kristaps 1397: }
1.42 kristaps 1398:
1.150 schwarze 1399: dword(mdoc, line, la, p, DELIM_MAX,
1400: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1401: }
1402:
1.181 schwarze 1403: if (state == -1) {
1404: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1405: line, ppos, mdoc_macronames[tok]);
1406: return;
1.156 schwarze 1407: }
1.181 schwarze 1408:
1409: if (state == 0 && tok == MDOC_Pf)
1410: append_delims(mdoc, line, pos, buf);
1411: if (state >= 0)
1.149 schwarze 1412: rew_elem(mdoc, tok);
1.150 schwarze 1413: if (nl)
1414: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1415: }
1416:
1.151 schwarze 1417: static void
1.1 kristaps 1418: in_line_eoln(MACRO_PROT_ARGS)
1419: {
1.185 schwarze 1420: struct roff_node *n;
1.170 schwarze 1421: struct mdoc_arg *arg;
1.1 kristaps 1422:
1.170 schwarze 1423: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1424: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1425: n = mdoc->last;
1.189 schwarze 1426: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1427: n = n->parent;
1428: if (n->tok == MDOC_Nm)
1.198 schwarze 1429: rew_last(mdoc, n->parent);
1.178 schwarze 1430: }
1431:
1.179 schwarze 1432: if (buf[*pos] == '\0' &&
1433: (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
1.178 schwarze 1434: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.179 schwarze 1435: line, ppos, mdoc_macronames[tok]);
1.178 schwarze 1436: return;
1.170 schwarze 1437: }
1.90 schwarze 1438:
1.152 schwarze 1439: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1440: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1441: if (parse_rest(mdoc, tok, line, pos, buf))
1442: return;
1443: rew_elem(mdoc, tok);
1444: }
1445:
1446: /*
1447: * The simplest argument parser available: Parse the remaining
1448: * words until the end of the phrase or line and return 0
1449: * or until the next macro, call that macro, and return 1.
1450: */
1451: static int
1.189 schwarze 1452: parse_rest(struct roff_man *mdoc, int tok, int line, int *pos, char *buf)
1.154 schwarze 1453: {
1454: int la;
1.1 kristaps 1455:
1456: for (;;) {
1457: la = *pos;
1.153 schwarze 1458: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.202 schwarze 1459: return 0;
1.153 schwarze 1460: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.202 schwarze 1461: return 1;
1.1 kristaps 1462: }
1463: }
1464:
1.151 schwarze 1465: static void
1.41 kristaps 1466: ctx_synopsis(MACRO_PROT_ARGS)
1467: {
1.60 kristaps 1468:
1.151 schwarze 1469: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1470: in_line(mdoc, tok, line, ppos, pos, buf);
1471: else if (tok == MDOC_Nm)
1472: blk_full(mdoc, tok, line, ppos, pos, buf);
1473: else {
1474: assert(tok == MDOC_Vt);
1475: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1476: }
1.1 kristaps 1477: }
1478:
1.24 kristaps 1479: /*
1480: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1481: * They're unusual because they're basically free-form text until a
1482: * macro is encountered.
1483: */
1.151 schwarze 1484: static void
1.75 kristaps 1485: phrase_ta(MACRO_PROT_ARGS)
1486: {
1.185 schwarze 1487: struct roff_node *body, *n;
1.75 kristaps 1488:
1.121 schwarze 1489: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1490:
1.167 schwarze 1491: body = NULL;
1492: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1493: if (n->flags & NODE_ENDED)
1.167 schwarze 1494: continue;
1.184 schwarze 1495: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1496: body = n;
1.208 schwarze 1497: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1498: break;
1499: }
1500:
1.151 schwarze 1501: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1502: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1503: line, ppos, "Ta");
1.151 schwarze 1504: return;
1.121 schwarze 1505: }
1.75 kristaps 1506:
1.121 schwarze 1507: /* Advance to the next column. */
1.150 schwarze 1508:
1.167 schwarze 1509: rew_last(mdoc, body);
1.190 schwarze 1510: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1511: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1512: }
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