Annotation of mandoc/mdoc_macro.c, Revision 1.220
1.220 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.219 2017/04/24 23:06:18 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);
1.219 schwarze 49: static int find_pending(struct roff_man *, enum roff_tok,
50: int, int, 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 *,
1.219 schwarze 54: struct roff_node *);
55: static int parse_rest(struct roff_man *, enum roff_tok,
56: int, int *, char *);
57: static enum roff_tok rew_alt(enum roff_tok);
58: static void rew_elem(struct roff_man *, enum roff_tok);
1.189 schwarze 59: static void rew_last(struct roff_man *, const struct roff_node *);
60: static void rew_pending(struct roff_man *,
61: const struct roff_node *);
1.1 kristaps 62:
1.219 schwarze 63: const struct mdoc_macro __mdoc_macros[MDOC_MAX - MDOC_Dd] = {
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 */
1.219 schwarze 79: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
1.1 kristaps 80: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.129 schwarze 81: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 82: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.123 schwarze 83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
85: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 86: { in_line_eoln, 0 }, /* Ex */
1.123 schwarze 87: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
88: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 89: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.123 schwarze 90: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
91: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.128 schwarze 92: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.18 kristaps 93: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.123 schwarze 94: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
95: { blk_full, MDOC_JOIN }, /* Nd */
96: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 97: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.132 schwarze 98: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 99: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
100: { in_line_eoln, 0 }, /* Rv */
1.123 schwarze 101: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 102: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.123 schwarze 103: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.42 kristaps 104: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.123 schwarze 105: { in_line_eoln, MDOC_JOIN }, /* %A */
106: { in_line_eoln, MDOC_JOIN }, /* %B */
107: { in_line_eoln, MDOC_JOIN }, /* %D */
108: { in_line_eoln, MDOC_JOIN }, /* %I */
109: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 110: { in_line_eoln, 0 }, /* %N */
1.123 schwarze 111: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 112: { in_line_eoln, 0 }, /* %P */
1.123 schwarze 113: { in_line_eoln, MDOC_JOIN }, /* %R */
114: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 115: { in_line_eoln, 0 }, /* %V */
1.123 schwarze 116: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
117: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
118: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
119: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
120: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 121: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.123 schwarze 122: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
123: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
124: { blk_full, MDOC_EXPLICIT }, /* Bf */
125: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
126: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
127: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 128: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
129: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
130: { in_line_eoln, 0 }, /* Db */
1.123 schwarze 131: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
132: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
133: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
134: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
135: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
136: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
137: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
138: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 139: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
140: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.11 kristaps 141: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.144 schwarze 142: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.123 schwarze 143: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
144: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 145: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
146: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.123 schwarze 147: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
148: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.52 kristaps 149: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.123 schwarze 150: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
151: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
152: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
153: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
154: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
155: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
156: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
157: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
158: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
159: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 160: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.123 schwarze 161: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
162: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
163: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
164: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
165: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.147 schwarze 166: { in_line_argn, 0 }, /* Sm */
1.123 schwarze 167: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
168: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 169: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.123 schwarze 170: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 171: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
172: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.123 schwarze 173: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
174: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
175: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
176: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
177: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
178: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
179: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 180: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.123 schwarze 181: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 182: { in_line_eoln, 0 }, /* Bt */
183: { in_line_eoln, 0 }, /* Hf */
1.132 schwarze 184: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 185: { in_line_eoln, 0 }, /* Ud */
1.69 kristaps 186: { in_line, 0 }, /* Lb */
1.123 schwarze 187: { in_line_eoln, 0 }, /* Lp */
188: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
189: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
190: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
191: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
192: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
193: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
194: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
195: { in_line_eoln, MDOC_JOIN }, /* %C */
1.132 schwarze 196: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
197: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 198: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.123 schwarze 199: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.20 kristaps 200: { in_line_eoln, 0 }, /* br */
201: { in_line_eoln, 0 }, /* sp */
1.37 kristaps 202: { in_line_eoln, 0 }, /* %U */
1.123 schwarze 203: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.143 schwarze 204: { in_line_eoln, MDOC_PROLOGUE }, /* ll */
1.1 kristaps 205: };
1.219 schwarze 206: const struct mdoc_macro *const mdoc_macros = __mdoc_macros - MDOC_Dd;
1.1 kristaps 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,
1.219 schwarze 228: n->line, n->pos, roff_name[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: {
1.219 schwarze 243: enum roff_tok 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) {
1.220 ! schwarze 250: res = roffhash_find(mdoc->mdocmac, p, 0);
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: */
1.219 schwarze 327: static enum roff_tok
328: rew_alt(enum roff_tok 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
1.219 schwarze 369: rew_elem(struct roff_man *mdoc, enum roff_tok 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
1.219 schwarze 401: find_pending(struct roff_man *mdoc, enum roff_tok 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,
1.219 schwarze 423: "%s breaks %s", roff_name[tok],
424: roff_name[n->tok]);
1.187 schwarze 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 {
1.219 schwarze 527: if (tok != TOKEN_NONE &&
528: mdoc_macros[tok].fp == in_line_eoln)
1.153 schwarze 529: rew_elem(mdoc, tok);
530: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 531: if (tok == TOKEN_NONE)
1.153 schwarze 532: append_delims(mdoc, line, pos, buf);
1.202 schwarze 533: return 1;
1.153 schwarze 534: }
535: }
536:
537: /*
1.131 schwarze 538: * Close out block partial/full explicit.
1.1 kristaps 539: */
1.151 schwarze 540: static void
1.1 kristaps 541: blk_exp_close(MACRO_PROT_ARGS)
542: {
1.185 schwarze 543: struct roff_node *body; /* Our own body. */
544: struct roff_node *endbody; /* Our own end marker. */
545: struct roff_node *itblk; /* An It block starting later. */
546: struct roff_node *later; /* A sub-block starting later. */
547: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 548: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 549:
1.188 schwarze 550: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 551: enum margserr ac;
1.219 schwarze 552: enum roff_tok atok, ntok;
1.1 kristaps 553: char *p;
554:
1.119 schwarze 555: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 556:
1.1 kristaps 557: switch (tok) {
1.131 schwarze 558: case MDOC_Ec:
1.1 kristaps 559: maxargs = 1;
560: break;
1.131 schwarze 561: case MDOC_Ek:
1.125 schwarze 562: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 563: /* FALLTHROUGH */
1.1 kristaps 564: default:
565: maxargs = 0;
566: break;
567: }
568:
1.209 schwarze 569: /* Search backwards for the beginning of our own body. */
570:
571: atok = rew_alt(tok);
572: body = NULL;
573: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 574: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 575: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
576: continue;
577: body = n;
578: break;
579: }
580:
1.83 schwarze 581: /*
582: * Search backwards for beginnings of blocks,
583: * both of our own and of pending sub-blocks.
584: */
1.151 schwarze 585:
1.209 schwarze 586: endbody = itblk = later = NULL;
1.119 schwarze 587: for (n = mdoc->last; n; n = n->parent) {
1.213 schwarze 588: if (n->flags & NODE_ENDED)
1.83 schwarze 589: continue;
590:
1.209 schwarze 591: /*
1.211 schwarze 592: * Mismatching end macros can never break anything
1.209 schwarze 593: * and we only care about the breaking of BLOCKs.
594: */
1.83 schwarze 595:
1.211 schwarze 596: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 597: continue;
1.160 schwarze 598:
1.211 schwarze 599: /*
600: * SYNOPSIS name blocks can not be broken themselves,
601: * but they do get broken together with a broken child.
602: */
603:
604: if (n->tok == MDOC_Nm) {
605: if (later != NULL)
606: n->flags |= NODE_BROKEN | NODE_ENDED;
607: continue;
608: }
609:
1.160 schwarze 610: if (n->tok == MDOC_It) {
1.171 schwarze 611: itblk = n;
1.160 schwarze 612: continue;
613: }
614:
1.83 schwarze 615: if (atok == n->tok) {
616:
617: /*
618: * Found the start of our own block.
619: * When there is no pending sub block,
620: * just proceed to closing out.
621: */
1.151 schwarze 622:
1.160 schwarze 623: if (later == NULL ||
1.171 schwarze 624: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 625: break;
626:
1.131 schwarze 627: /*
1.167 schwarze 628: * When there is a pending sub block, postpone
629: * closing out the current block until the
630: * rew_pending() closing out the sub-block.
1.83 schwarze 631: * Mark the place where the formatting - but not
632: * the scope - of the current block ends.
633: */
1.151 schwarze 634:
1.183 schwarze 635: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
636: line, ppos, "%s breaks %s",
1.219 schwarze 637: roff_name[atok], roff_name[later->tok]);
1.183 schwarze 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,
1.219 schwarze 679: line, ppos, roff_name[tok]);
1.166 schwarze 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,
1.219 schwarze 698: "%s %s", roff_name[tok],
1.136 schwarze 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;
1.219 schwarze 755: enum roff_tok 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,
1.219 schwarze 836: roff_name[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,
1.219 schwarze 884: mdoc_macros[tok].flags & MDOC_JOIN);
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:
1.218 schwarze 906: if (scope && tok != MDOC_Lk) {
1.149 schwarze 907: rew_elem(mdoc, tok);
1.218 schwarze 908: scope = 0;
909: }
1.4 kristaps 910:
911: /*
912: * If no elements have been collected and we're allowed to have
913: * empties (nc), open a scope and close it out. Otherwise,
914: * raise a warning.
915: */
1.45 kristaps 916:
1.150 schwarze 917: if ( ! cnt) {
918: if (nc) {
919: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
920: rew_last(mdoc, mdoc->last);
921: } else {
922: mdoc_argv_free(arg);
923: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 924: line, ppos, roff_name[tok]);
1.150 schwarze 925: }
1.7 kristaps 926: }
1.150 schwarze 927: if (nl)
928: append_delims(mdoc, line, pos, buf);
1.218 schwarze 929: if (scope)
930: rew_elem(mdoc, tok);
1.1 kristaps 931: }
932:
1.151 schwarze 933: static void
1.1 kristaps 934: blk_full(MACRO_PROT_ARGS)
935: {
1.153 schwarze 936: int la, nl, parsed;
1.1 kristaps 937: struct mdoc_arg *arg;
1.185 schwarze 938: struct roff_node *blk; /* Our own or a broken block. */
939: struct roff_node *head; /* Our own head. */
940: struct roff_node *body; /* Our own body. */
941: struct roff_node *n;
1.59 kristaps 942: enum margserr ac, lac;
1.1 kristaps 943: char *p;
944:
1.119 schwarze 945: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 946:
1.177 schwarze 947: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
948: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 949: line, ppos, roff_name[tok]);
1.177 schwarze 950: return;
951: }
952:
1.171 schwarze 953: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
954:
955: /* Here, tok is one of Sh Ss Nm Nd It. */
956:
957: blk = NULL;
958: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 959: if (n->flags & NODE_ENDED) {
960: if ( ! (n->flags & NODE_VALID))
961: n->flags |= NODE_BROKEN;
1.183 schwarze 962: continue;
963: }
1.184 schwarze 964: if (n->type != ROFFT_BLOCK)
1.171 schwarze 965: continue;
1.183 schwarze 966:
1.171 schwarze 967: if (tok == MDOC_It && n->tok == MDOC_Bl) {
968: if (blk != NULL) {
969: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
970: mdoc->parse, line, ppos,
971: "It breaks %s",
1.219 schwarze 972: roff_name[blk->tok]);
1.171 schwarze 973: rew_pending(mdoc, blk);
974: }
975: break;
976: }
977:
978: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
979: switch (tok) {
980: case MDOC_Sh:
981: case MDOC_Ss:
982: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
983: mdoc->parse, line, ppos,
1.219 schwarze 984: "%s breaks %s", roff_name[tok],
985: roff_name[n->tok]);
1.171 schwarze 986: rew_pending(mdoc, n);
1.180 schwarze 987: n = mdoc->last;
1.171 schwarze 988: continue;
989: case MDOC_It:
990: /* Delay in case it's astray. */
991: blk = n;
992: continue;
993: default:
994: break;
995: }
996: break;
997: }
998:
999: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 1000:
1.171 schwarze 1001: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1002: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1003: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 1004: break;
1.171 schwarze 1005:
1006: /* Item breaking an explicit block. */
1007:
1008: if (blk != NULL) {
1009: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
1010: mdoc->parse, line, ppos,
1.219 schwarze 1011: "It breaks %s", roff_name[blk->tok]);
1.171 schwarze 1012: rew_pending(mdoc, blk);
1.172 schwarze 1013: blk = NULL;
1.171 schwarze 1014: }
1015:
1016: /* Close out prior implicit scopes. */
1017:
1.211 schwarze 1018: rew_pending(mdoc, n);
1.171 schwarze 1019: }
1020:
1021: /* Skip items outside lists. */
1022:
1023: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.138 schwarze 1024: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1025: line, ppos, "It %s", buf + *pos);
1.193 schwarze 1026: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.149 schwarze 1027: rew_elem(mdoc, MDOC_br);
1.151 schwarze 1028: return;
1.138 schwarze 1029: }
1.1 kristaps 1030: }
1031:
1.45 kristaps 1032: /*
1.109 kristaps 1033: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1034: * macro openings. Implicit ones first close out prior scope
1035: * (seen above). Delay opening the head until necessary to
1036: * allow leading punctuation to print. Special consideration
1037: * for `It -column', which has phrase-part syntax instead of
1038: * regular child nodes.
1039: */
1040:
1.152 schwarze 1041: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1042: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1043: head = body = NULL;
1.115 schwarze 1044:
1045: /*
1046: * Exception: Heads of `It' macros in `-diag' lists are not
1047: * parsed, even though `It' macros in general are parsed.
1048: */
1.151 schwarze 1049:
1.153 schwarze 1050: parsed = tok != MDOC_It ||
1051: mdoc->last->parent->tok != MDOC_Bl ||
1052: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1053:
1.45 kristaps 1054: /*
1055: * The `Nd' macro has all arguments in its body: it's a hybrid
1056: * of block partial-explicit and full-implicit. Stupid.
1057: */
1.19 kristaps 1058:
1.150 schwarze 1059: if (tok == MDOC_Nd) {
1.190 schwarze 1060: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1061: rew_last(mdoc, head);
1.190 schwarze 1062: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1063: }
1064:
1.150 schwarze 1065: if (tok == MDOC_Bk)
1.123 schwarze 1066: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1067:
1.205 schwarze 1068: ac = ARGS_EOLN;
1.150 schwarze 1069: for (;;) {
1.205 schwarze 1070:
1071: /*
1072: * If we are right after a tab character,
1073: * do not parse the first word for macros.
1074: */
1075:
1076: if (mdoc->flags & MDOC_PHRASEQN) {
1077: mdoc->flags &= ~MDOC_PHRASEQN;
1078: mdoc->flags |= MDOC_PHRASEQF;
1079: }
1080:
1.45 kristaps 1081: la = *pos;
1.150 schwarze 1082: lac = ac;
1.119 schwarze 1083: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1084: if (ac == ARGS_EOLN) {
1.205 schwarze 1085: if (lac != ARGS_PHRASE ||
1086: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1087: break;
1.205 schwarze 1088:
1.75 kristaps 1089: /*
1.205 schwarze 1090: * This line ends in a tab; start the next
1091: * column now, with a leading blank.
1.75 kristaps 1092: */
1.205 schwarze 1093:
1.167 schwarze 1094: if (body != NULL)
1095: rew_last(mdoc, body);
1.190 schwarze 1096: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1097: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1098: break;
1.75 kristaps 1099: }
1.205 schwarze 1100:
1.174 schwarze 1101: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1102: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1103: mdoc->parse, line, la, "%s ... %s",
1.219 schwarze 1104: roff_name[tok], buf + la);
1.174 schwarze 1105: break;
1106: }
1.173 schwarze 1107: if (tok == MDOC_Rs) {
1108: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1109: line, la, "Rs %s", buf + la);
1110: break;
1111: }
1112: if (ac == ARGS_PUNCT)
1113: break;
1.45 kristaps 1114:
1.131 schwarze 1115: /*
1.73 kristaps 1116: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1117: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1118: */
1.45 kristaps 1119:
1.150 schwarze 1120: if (head == NULL &&
1121: ac != ARGS_PHRASE &&
1122: ac != ARGS_QWORD &&
1123: mdoc_isdelim(p) == DELIM_OPEN) {
1124: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1125: continue;
1126: }
1127:
1.74 kristaps 1128: /* Open a head if one hasn't been opened. */
1.45 kristaps 1129:
1.150 schwarze 1130: if (head == NULL)
1.190 schwarze 1131: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1132:
1.205 schwarze 1133: if (ac == ARGS_PHRASE) {
1.151 schwarze 1134:
1.73 kristaps 1135: /*
1.74 kristaps 1136: * If we haven't opened a body yet, rewind the
1137: * head; if we have, rewind that instead.
1138: */
1139:
1.167 schwarze 1140: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1141: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1142:
1.205 schwarze 1143: /* Process to the tab or to the end of the line. */
1.74 kristaps 1144:
1.205 schwarze 1145: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1146: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1147: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1148:
1149: /* There may have been `Ta' macros. */
1150:
1151: while (body->next != NULL)
1152: body = body->next;
1.1 kristaps 1153: continue;
1154: }
1155:
1.153 schwarze 1156: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1157: break;
1.45 kristaps 1158: }
1.1 kristaps 1159:
1.210 schwarze 1160: if (blk->flags & NODE_VALID)
1.165 schwarze 1161: return;
1.150 schwarze 1162: if (head == NULL)
1.190 schwarze 1163: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1164: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1165: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1166: if (body != NULL)
1.77 kristaps 1167: goto out;
1.187 schwarze 1168: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1169: return;
1.47 kristaps 1170:
1.45 kristaps 1171: /* Close out scopes to remain in a consistent state. */
1172:
1.167 schwarze 1173: rew_last(mdoc, head);
1.190 schwarze 1174: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1175: out:
1.150 schwarze 1176: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1177: rew_last(mdoc, body);
1178: rew_last(mdoc, blk);
1.150 schwarze 1179: mdoc->flags &= ~MDOC_FREECOL;
1180: }
1.1 kristaps 1181: }
1182:
1.151 schwarze 1183: static void
1.1 kristaps 1184: blk_part_imp(MACRO_PROT_ARGS)
1185: {
1.63 kristaps 1186: int la, nl;
1.55 kristaps 1187: enum margserr ac;
1.1 kristaps 1188: char *p;
1.185 schwarze 1189: struct roff_node *blk; /* saved block context */
1190: struct roff_node *body; /* saved body context */
1191: struct roff_node *n;
1.1 kristaps 1192:
1.119 schwarze 1193: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1194:
1.43 kristaps 1195: /*
1196: * A macro that spans to the end of the line. This is generally
1197: * (but not necessarily) called as the first macro. The block
1198: * has a head as the immediate child, which is always empty,
1199: * followed by zero or more opening punctuation nodes, then the
1200: * body (which may be empty, depending on the macro), then zero
1201: * or more closing punctuation nodes.
1202: */
1.32 kristaps 1203:
1.150 schwarze 1204: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1205: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1206:
1.43 kristaps 1207: /*
1208: * Open the body scope "on-demand", that is, after we've
1209: * processed all our the leading delimiters (open parenthesis,
1210: * etc.).
1211: */
1.1 kristaps 1212:
1.43 kristaps 1213: for (body = NULL; ; ) {
1.32 kristaps 1214: la = *pos;
1.119 schwarze 1215: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1216: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1217: break;
1218:
1.150 schwarze 1219: if (body == NULL && ac != ARGS_QWORD &&
1220: mdoc_isdelim(p) == DELIM_OPEN) {
1221: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1222: continue;
1.123 schwarze 1223: }
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:
1.153 schwarze 1228: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1229: break;
1.1 kristaps 1230: }
1.150 schwarze 1231: if (body == NULL)
1.190 schwarze 1232: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1233:
1.187 schwarze 1234: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1235: return;
1236:
1.164 schwarze 1237: rew_last(mdoc, body);
1.150 schwarze 1238: if (nl)
1239: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1240: rew_pending(mdoc, blk);
1.117 schwarze 1241:
1242: /* Move trailing .Ns out of scope. */
1243:
1244: for (n = body->child; n && n->next; n = n->next)
1245: /* Do nothing. */ ;
1.150 schwarze 1246: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1247: mdoc_node_relink(mdoc, n);
1.1 kristaps 1248: }
1249:
1.151 schwarze 1250: static void
1.1 kristaps 1251: blk_part_exp(MACRO_PROT_ARGS)
1252: {
1.60 kristaps 1253: int la, nl;
1.55 kristaps 1254: enum margserr ac;
1.185 schwarze 1255: struct roff_node *head; /* keep track of head */
1.1 kristaps 1256: char *p;
1257:
1.119 schwarze 1258: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1259:
1.43 kristaps 1260: /*
1261: * The opening of an explicit macro having zero or more leading
1262: * punctuation nodes; a head with optional single element (the
1263: * case of `Eo'); and a body that may be empty.
1264: */
1.32 kristaps 1265:
1.193 schwarze 1266: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1267: head = NULL;
1268: for (;;) {
1.32 kristaps 1269: la = *pos;
1.119 schwarze 1270: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1271: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1272: break;
1.43 kristaps 1273:
1274: /* Flush out leading punctuation. */
1275:
1.150 schwarze 1276: if (head == NULL && ac != ARGS_QWORD &&
1277: mdoc_isdelim(p) == DELIM_OPEN) {
1278: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1279: continue;
1.123 schwarze 1280: }
1.43 kristaps 1281:
1.150 schwarze 1282: if (head == NULL) {
1.190 schwarze 1283: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1284: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1285: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1286: rew_last(mdoc, head);
1.190 schwarze 1287: roff_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1288: if (tok == MDOC_Eo)
1.43 kristaps 1289: continue;
1.1 kristaps 1290: }
1.43 kristaps 1291:
1.153 schwarze 1292: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1293: break;
1.1 kristaps 1294: }
1295:
1.43 kristaps 1296: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1297:
1.163 schwarze 1298: if (head == NULL) {
1.190 schwarze 1299: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1300: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1301: }
1.150 schwarze 1302: if (nl)
1303: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1304: }
1305:
1.151 schwarze 1306: static void
1.1 kristaps 1307: in_line_argn(MACRO_PROT_ARGS)
1308: {
1.53 kristaps 1309: struct mdoc_arg *arg;
1310: char *p;
1.181 schwarze 1311: enum margserr ac;
1.219 schwarze 1312: enum roff_tok ntok;
1.181 schwarze 1313: int state; /* arg#; -1: not yet open; -2: closed */
1314: int la, maxargs, nl;
1.1 kristaps 1315:
1.156 schwarze 1316: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1317:
1.46 kristaps 1318: /*
1319: * A line macro that has a fixed number of arguments (maxargs).
1320: * Only open the scope once the first non-leading-punctuation is
1321: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1322: * keep it open until the maximum number of arguments are
1323: * exhausted.
1324: */
1.1 kristaps 1325:
1326: switch (tok) {
1.131 schwarze 1327: case MDOC_Ap:
1328: case MDOC_Ns:
1329: case MDOC_Ux:
1.1 kristaps 1330: maxargs = 0;
1331: break;
1.131 schwarze 1332: case MDOC_Bx:
1.132 schwarze 1333: case MDOC_Es:
1.131 schwarze 1334: case MDOC_Xr:
1.42 kristaps 1335: maxargs = 2;
1336: break;
1.1 kristaps 1337: default:
1338: maxargs = 1;
1339: break;
1340: }
1341:
1.152 schwarze 1342: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1343:
1.181 schwarze 1344: state = -1;
1.156 schwarze 1345: p = NULL;
1346: for (;;) {
1.32 kristaps 1347: la = *pos;
1.119 schwarze 1348: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1349:
1350: if (ac == ARGS_WORD && state == -1 &&
1351: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1352: mdoc_isdelim(p) == DELIM_OPEN) {
1353: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1354: continue;
1355: }
1356:
1357: if (state == -1 && tok != MDOC_In &&
1358: tok != MDOC_St && tok != MDOC_Xr) {
1359: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1360: state = 0;
1361: }
1362:
1.156 schwarze 1363: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1364: if (abs(state) < 2 && tok == MDOC_Pf)
1.156 schwarze 1365: mandoc_vmsg(MANDOCERR_PF_SKIP,
1366: mdoc->parse, line, ppos, "Pf %s",
1367: p == NULL ? "at eol" : p);
1.1 kristaps 1368: break;
1.156 schwarze 1369: }
1.1 kristaps 1370:
1.181 schwarze 1371: if (state == maxargs) {
1.149 schwarze 1372: rew_elem(mdoc, tok);
1.181 schwarze 1373: state = -2;
1.46 kristaps 1374: }
1375:
1.181 schwarze 1376: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
1.191 schwarze 1377: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1378:
1.191 schwarze 1379: if (ntok != TOKEN_NONE) {
1.181 schwarze 1380: if (state >= 0) {
1.149 schwarze 1381: rew_elem(mdoc, tok);
1.181 schwarze 1382: state = -2;
1383: }
1.151 schwarze 1384: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1385: break;
1386: }
1387:
1.181 schwarze 1388: if (ac == ARGS_QWORD ||
1389: mdoc_macros[tok].flags & MDOC_IGNDELIM ||
1390: mdoc_isdelim(p) == DELIM_NONE) {
1391: if (state == -1) {
1392: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1393: state = 1;
1394: } else if (state >= 0)
1395: state++;
1396: } else if (state >= 0) {
1.149 schwarze 1397: rew_elem(mdoc, tok);
1.181 schwarze 1398: state = -2;
1.1 kristaps 1399: }
1.42 kristaps 1400:
1.150 schwarze 1401: dword(mdoc, line, la, p, DELIM_MAX,
1.219 schwarze 1402: mdoc_macros[tok].flags & MDOC_JOIN);
1.1 kristaps 1403: }
1404:
1.181 schwarze 1405: if (state == -1) {
1406: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 1407: line, ppos, roff_name[tok]);
1.181 schwarze 1408: return;
1.156 schwarze 1409: }
1.181 schwarze 1410:
1411: if (state == 0 && tok == MDOC_Pf)
1412: append_delims(mdoc, line, pos, buf);
1413: if (state >= 0)
1.149 schwarze 1414: rew_elem(mdoc, tok);
1.150 schwarze 1415: if (nl)
1416: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1417: }
1418:
1.151 schwarze 1419: static void
1.1 kristaps 1420: in_line_eoln(MACRO_PROT_ARGS)
1421: {
1.185 schwarze 1422: struct roff_node *n;
1.170 schwarze 1423: struct mdoc_arg *arg;
1.1 kristaps 1424:
1.170 schwarze 1425: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1426: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1427: n = mdoc->last;
1.189 schwarze 1428: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1429: n = n->parent;
1430: if (n->tok == MDOC_Nm)
1.198 schwarze 1431: rew_last(mdoc, n->parent);
1.178 schwarze 1432: }
1433:
1.179 schwarze 1434: if (buf[*pos] == '\0' &&
1.219 schwarze 1435: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.178 schwarze 1436: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 1437: line, ppos, roff_name[tok]);
1.178 schwarze 1438: return;
1.170 schwarze 1439: }
1.90 schwarze 1440:
1.152 schwarze 1441: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1442: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1443: if (parse_rest(mdoc, tok, line, pos, buf))
1444: return;
1445: rew_elem(mdoc, tok);
1446: }
1447:
1448: /*
1449: * The simplest argument parser available: Parse the remaining
1450: * words until the end of the phrase or line and return 0
1451: * or until the next macro, call that macro, and return 1.
1452: */
1453: static int
1.219 schwarze 1454: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1455: int line, int *pos, char *buf)
1.154 schwarze 1456: {
1457: int la;
1.1 kristaps 1458:
1459: for (;;) {
1460: la = *pos;
1.153 schwarze 1461: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.202 schwarze 1462: return 0;
1.153 schwarze 1463: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.202 schwarze 1464: return 1;
1.1 kristaps 1465: }
1466: }
1467:
1.151 schwarze 1468: static void
1.41 kristaps 1469: ctx_synopsis(MACRO_PROT_ARGS)
1470: {
1.60 kristaps 1471:
1.151 schwarze 1472: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1473: in_line(mdoc, tok, line, ppos, pos, buf);
1474: else if (tok == MDOC_Nm)
1475: blk_full(mdoc, tok, line, ppos, pos, buf);
1476: else {
1477: assert(tok == MDOC_Vt);
1478: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1479: }
1.1 kristaps 1480: }
1481:
1.24 kristaps 1482: /*
1483: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1484: * They're unusual because they're basically free-form text until a
1485: * macro is encountered.
1486: */
1.151 schwarze 1487: static void
1.75 kristaps 1488: phrase_ta(MACRO_PROT_ARGS)
1489: {
1.185 schwarze 1490: struct roff_node *body, *n;
1.75 kristaps 1491:
1.121 schwarze 1492: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1493:
1.167 schwarze 1494: body = NULL;
1495: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1496: if (n->flags & NODE_ENDED)
1.167 schwarze 1497: continue;
1.184 schwarze 1498: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1499: body = n;
1.208 schwarze 1500: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1501: break;
1502: }
1503:
1.151 schwarze 1504: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1505: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1506: line, ppos, "Ta");
1.151 schwarze 1507: return;
1.121 schwarze 1508: }
1.75 kristaps 1509:
1.121 schwarze 1510: /* Advance to the next column. */
1.150 schwarze 1511:
1.167 schwarze 1512: rew_last(mdoc, body);
1.190 schwarze 1513: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1514: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1515: }
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