Annotation of src/usr.bin/mandoc/mdoc_macro.c, Revision 1.167
1.167 ! schwarze 1: /* $OpenBSD: mdoc_macro.c,v 1.166 2017/01/10 13:46:53 schwarze Exp $ */
1.1 kristaps 2: /*
1.74 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.165 schwarze 4: * Copyright (c) 2010, 2012-2016 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 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: *
1.140 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.140 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 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: */
1.100 schwarze 18: #include <sys/types.h>
19:
1.1 kristaps 20: #include <assert.h>
21: #include <ctype.h>
22: #include <stdlib.h>
23: #include <stdio.h>
24: #include <string.h>
1.26 schwarze 25: #include <time.h>
1.1 kristaps 26:
1.140 schwarze 27: #include "mandoc.h"
28: #include "roff.h"
1.66 schwarze 29: #include "mdoc.h"
1.140 schwarze 30: #include "libmandoc.h"
1.146 schwarze 31: #include "roff_int.h"
1.1 kristaps 32: #include "libmdoc.h"
33:
1.107 schwarze 34: static void blk_full(MACRO_PROT_ARGS);
35: static void blk_exp_close(MACRO_PROT_ARGS);
36: static void blk_part_exp(MACRO_PROT_ARGS);
37: static void blk_part_imp(MACRO_PROT_ARGS);
38: static void ctx_synopsis(MACRO_PROT_ARGS);
39: static void in_line_eoln(MACRO_PROT_ARGS);
40: static void in_line_argn(MACRO_PROT_ARGS);
41: static void in_line(MACRO_PROT_ARGS);
42: static void phrase_ta(MACRO_PROT_ARGS);
1.36 schwarze 43:
1.145 schwarze 44: static void append_delims(struct roff_man *, int, int *, char *);
45: static void dword(struct roff_man *, int, int, const char *,
1.143 schwarze 46: enum mdelim, int);
1.145 schwarze 47: static int find_pending(struct roff_man *, int, int, int,
1.143 schwarze 48: struct roff_node *);
1.145 schwarze 49: static int lookup(struct roff_man *, int, int, int, const char *);
1.109 schwarze 50: static int macro_or_word(MACRO_PROT_ARGS, int);
1.145 schwarze 51: static int parse_rest(struct roff_man *, int, int, int *, char *);
1.141 schwarze 52: static int rew_alt(int);
1.145 schwarze 53: static void rew_elem(struct roff_man *, int);
54: static void rew_last(struct roff_man *, const struct roff_node *);
55: static void rew_pending(struct roff_man *,
56: const struct roff_node *);
1.1 kristaps 57:
58: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
1.80 schwarze 59: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
1.1 kristaps 60: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
61: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
62: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.80 schwarze 63: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
64: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
65: { in_line_eoln, 0 }, /* Pp */
66: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
67: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 68: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.80 schwarze 69: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 70: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.80 schwarze 71: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
72: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
73: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
74: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.1 kristaps 75: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.86 schwarze 76: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 77: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.80 schwarze 78: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
79: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
80: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 81: { in_line_eoln, 0 }, /* Ex */
1.80 schwarze 82: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
83: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.80 schwarze 85: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.85 schwarze 87: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.11 schwarze 88: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.80 schwarze 89: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
90: { blk_full, MDOC_JOIN }, /* Nd */
91: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 92: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.89 schwarze 93: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 94: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
95: { in_line_eoln, 0 }, /* Rv */
1.80 schwarze 96: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 97: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.80 schwarze 98: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.28 schwarze 99: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.80 schwarze 100: { in_line_eoln, MDOC_JOIN }, /* %A */
101: { in_line_eoln, MDOC_JOIN }, /* %B */
102: { in_line_eoln, MDOC_JOIN }, /* %D */
103: { in_line_eoln, MDOC_JOIN }, /* %I */
104: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 105: { in_line_eoln, 0 }, /* %N */
1.80 schwarze 106: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 107: { in_line_eoln, 0 }, /* %P */
1.80 schwarze 108: { in_line_eoln, MDOC_JOIN }, /* %R */
109: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 110: { in_line_eoln, 0 }, /* %V */
1.80 schwarze 111: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
112: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
113: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
114: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
115: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 116: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.80 schwarze 117: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
118: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
119: { blk_full, MDOC_EXPLICIT }, /* Bf */
120: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
121: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
122: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 123: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
124: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
125: { in_line_eoln, 0 }, /* Db */
1.80 schwarze 126: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
127: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
128: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
129: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
130: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
131: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
132: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
133: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 134: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
135: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.3 schwarze 136: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.100 schwarze 137: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.80 schwarze 138: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
139: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 140: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
141: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.80 schwarze 142: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
143: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.35 schwarze 144: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.80 schwarze 145: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
146: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
147: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
148: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
149: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
150: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
151: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
152: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
153: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
154: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 155: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.80 schwarze 156: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
157: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
158: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
159: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
160: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.103 schwarze 161: { in_line_argn, 0 }, /* Sm */
1.80 schwarze 162: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
163: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 164: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.80 schwarze 165: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 166: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
167: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.80 schwarze 168: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
169: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
170: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
171: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
172: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
173: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
174: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 175: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.80 schwarze 176: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 177: { in_line_eoln, 0 }, /* Bt */
178: { in_line_eoln, 0 }, /* Hf */
1.89 schwarze 179: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 180: { in_line_eoln, 0 }, /* Ud */
1.45 schwarze 181: { in_line, 0 }, /* Lb */
1.80 schwarze 182: { in_line_eoln, 0 }, /* Lp */
183: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
184: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
185: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
186: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
187: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
188: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
189: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
190: { in_line_eoln, MDOC_JOIN }, /* %C */
1.89 schwarze 191: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
192: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 193: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.80 schwarze 194: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.13 schwarze 195: { in_line_eoln, 0 }, /* br */
196: { in_line_eoln, 0 }, /* sp */
1.25 schwarze 197: { in_line_eoln, 0 }, /* %U */
1.80 schwarze 198: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.99 schwarze 199: { in_line_eoln, MDOC_PROLOGUE }, /* ll */
1.1 kristaps 200: };
201:
202: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
203:
204:
205: /*
206: * This is called at the end of parsing. It must traverse up the tree,
207: * closing out open [implicit] scopes. Obviously, open explicit scopes
208: * are errors.
209: */
1.107 schwarze 210: void
1.151 schwarze 211: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 212: {
1.141 schwarze 213: struct roff_node *n;
1.1 kristaps 214:
215: /* Scan for open explicit scopes. */
216:
1.166 schwarze 217: n = mdoc->last->flags & NODE_VALID ?
1.88 schwarze 218: mdoc->last->parent : mdoc->last;
1.1 kristaps 219:
1.56 schwarze 220: for ( ; n; n = n->parent)
1.140 schwarze 221: if (n->type == ROFFT_BLOCK &&
1.107 schwarze 222: mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
1.94 schwarze 223: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
224: n->line, n->pos, mdoc_macronames[n->tok]);
1.1 kristaps 225:
1.22 schwarze 226: /* Rewind to the first. */
227:
1.105 schwarze 228: rew_last(mdoc, mdoc->first);
1.162 schwarze 229: mdoc_state_reset(mdoc);
1.1 kristaps 230: }
231:
1.22 schwarze 232: /*
1.109 schwarze 233: * Look up the macro at *p called by "from",
1.147 schwarze 234: * or as a line macro if from == TOKEN_NONE.
1.22 schwarze 235: */
1.141 schwarze 236: static int
1.145 schwarze 237: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.21 schwarze 238: {
1.141 schwarze 239: int res;
1.1 kristaps 240:
1.161 schwarze 241: if (mdoc->flags & MDOC_PHRASEQF) {
242: mdoc->flags &= ~MDOC_PHRASEQF;
243: return TOKEN_NONE;
244: }
1.147 schwarze 245: if (from == TOKEN_NONE || mdoc_macros[from].flags & MDOC_PARSED) {
1.109 schwarze 246: res = mdoc_hash_find(p);
1.147 schwarze 247: if (res != TOKEN_NONE) {
1.111 schwarze 248: if (mdoc_macros[res].flags & MDOC_CALLABLE)
1.158 schwarze 249: return res;
1.111 schwarze 250: if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll)
251: mandoc_msg(MANDOCERR_MACRO_CALL,
252: mdoc->parse, line, ppos, p);
253: }
1.109 schwarze 254: }
1.158 schwarze 255: return TOKEN_NONE;
1.1 kristaps 256: }
257:
1.122 schwarze 258: /*
259: * Rewind up to and including a specific node.
260: */
1.105 schwarze 261: static void
1.145 schwarze 262: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 263: {
264:
1.166 schwarze 265: if (to->flags & NODE_VALID)
1.142 schwarze 266: return;
267:
1.1 kristaps 268: while (mdoc->last != to) {
1.162 schwarze 269: mdoc_state(mdoc, mdoc->last);
1.166 schwarze 270: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.162 schwarze 271: mdoc->last = mdoc->last->parent;
1.1 kristaps 272: }
1.162 schwarze 273: mdoc_state(mdoc, mdoc->last);
1.166 schwarze 274: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.156 schwarze 275: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 276: }
277:
1.22 schwarze 278: /*
1.122 schwarze 279: * Rewind up to a specific block, including all blocks that broke it.
280: */
281: static void
1.145 schwarze 282: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.122 schwarze 283: {
284:
1.139 schwarze 285: for (;;) {
286: rew_last(mdoc, n);
287:
1.150 schwarze 288: if (mdoc->last == n) {
289: switch (n->type) {
290: case ROFFT_HEAD:
291: roff_body_alloc(mdoc, n->line, n->pos,
292: n->tok);
1.163 schwarze 293: break;
1.150 schwarze 294: case ROFFT_BLOCK:
295: break;
296: default:
297: return;
298: }
1.166 schwarze 299: if ( ! (n->flags & NODE_BROKEN))
1.150 schwarze 300: return;
301: } else
302: n = mdoc->last;
1.122 schwarze 303:
1.139 schwarze 304: for (;;) {
305: if ((n = n->parent) == NULL)
306: return;
307:
1.140 schwarze 308: if (n->type == ROFFT_BLOCK ||
309: n->type == ROFFT_HEAD) {
1.166 schwarze 310: if (n->flags & NODE_ENDED)
1.139 schwarze 311: break;
312: else
313: return;
314: }
315: }
1.122 schwarze 316: }
317: }
318:
319: /*
1.48 schwarze 320: * For a block closing macro, return the corresponding opening one.
321: * Otherwise, return the macro itself.
1.22 schwarze 322: */
1.141 schwarze 323: static int
324: rew_alt(int tok)
1.1 kristaps 325: {
326: switch (tok) {
1.88 schwarze 327: case MDOC_Ac:
1.158 schwarze 328: return MDOC_Ao;
1.88 schwarze 329: case MDOC_Bc:
1.158 schwarze 330: return MDOC_Bo;
1.88 schwarze 331: case MDOC_Brc:
1.158 schwarze 332: return MDOC_Bro;
1.88 schwarze 333: case MDOC_Dc:
1.158 schwarze 334: return MDOC_Do;
1.88 schwarze 335: case MDOC_Ec:
1.158 schwarze 336: return MDOC_Eo;
1.88 schwarze 337: case MDOC_Ed:
1.158 schwarze 338: return MDOC_Bd;
1.88 schwarze 339: case MDOC_Ef:
1.158 schwarze 340: return MDOC_Bf;
1.88 schwarze 341: case MDOC_Ek:
1.158 schwarze 342: return MDOC_Bk;
1.88 schwarze 343: case MDOC_El:
1.158 schwarze 344: return MDOC_Bl;
1.88 schwarze 345: case MDOC_Fc:
1.158 schwarze 346: return MDOC_Fo;
1.88 schwarze 347: case MDOC_Oc:
1.158 schwarze 348: return MDOC_Oo;
1.88 schwarze 349: case MDOC_Pc:
1.158 schwarze 350: return MDOC_Po;
1.88 schwarze 351: case MDOC_Qc:
1.158 schwarze 352: return MDOC_Qo;
1.88 schwarze 353: case MDOC_Re:
1.158 schwarze 354: return MDOC_Rs;
1.88 schwarze 355: case MDOC_Sc:
1.158 schwarze 356: return MDOC_So;
1.88 schwarze 357: case MDOC_Xc:
1.158 schwarze 358: return MDOC_Xo;
1.1 kristaps 359: default:
1.158 schwarze 360: return tok;
1.1 kristaps 361: }
362: }
363:
1.105 schwarze 364: static void
1.145 schwarze 365: rew_elem(struct roff_man *mdoc, int tok)
1.1 kristaps 366: {
1.141 schwarze 367: struct roff_node *n;
1.1 kristaps 368:
369: n = mdoc->last;
1.140 schwarze 370: if (n->type != ROFFT_ELEM)
1.1 kristaps 371: n = n->parent;
1.140 schwarze 372: assert(n->type == ROFFT_ELEM);
1.1 kristaps 373: assert(tok == n->tok);
1.105 schwarze 374: rew_last(mdoc, n);
1.1 kristaps 375: }
376:
1.47 schwarze 377: /*
1.143 schwarze 378: * If there is an open sub-block of the target requiring
379: * explicit close-out, postpone closing out the target until
380: * the rew_pending() call closing out the sub-block.
381: */
382: static int
1.145 schwarze 383: find_pending(struct roff_man *mdoc, int tok, int line, int ppos,
1.143 schwarze 384: struct roff_node *target)
385: {
386: struct roff_node *n;
387: int irc;
388:
389: irc = 0;
390: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.166 schwarze 391: if (n->flags & NODE_ENDED) {
392: if ( ! (n->flags & NODE_VALID))
393: n->flags |= NODE_BROKEN;
1.143 schwarze 394: continue;
395: }
396: if (n->type == ROFFT_BLOCK &&
397: mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
398: irc = 1;
1.166 schwarze 399: n->flags = NODE_BROKEN;
1.143 schwarze 400: if (target->type == ROFFT_HEAD)
1.166 schwarze 401: target->flags = NODE_ENDED;
402: else if ( ! (target->flags & NODE_ENDED)) {
1.143 schwarze 403: mandoc_vmsg(MANDOCERR_BLK_NEST,
404: mdoc->parse, line, ppos,
405: "%s breaks %s", mdoc_macronames[tok],
406: mdoc_macronames[n->tok]);
407: mdoc_endbody_alloc(mdoc, line, ppos,
408: tok, target, ENDBODY_NOSPACE);
409: }
410: }
411: }
1.158 schwarze 412: return irc;
1.143 schwarze 413: }
414:
415: /*
1.66 schwarze 416: * Allocate a word and check whether it's punctuation or not.
417: * Punctuation consists of those tokens found in mdoc_isdelim().
418: */
1.106 schwarze 419: static void
1.145 schwarze 420: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.80 schwarze 421: enum mdelim d, int may_append)
1.66 schwarze 422: {
1.88 schwarze 423:
1.106 schwarze 424: if (d == DELIM_MAX)
1.66 schwarze 425: d = mdoc_isdelim(p);
426:
1.80 schwarze 427: if (may_append &&
1.106 schwarze 428: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.140 schwarze 429: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.106 schwarze 430: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.148 schwarze 431: roff_word_append(mdoc, p);
1.106 schwarze 432: return;
1.80 schwarze 433: }
434:
1.148 schwarze 435: roff_word_alloc(mdoc, line, col, p);
1.66 schwarze 436:
1.71 schwarze 437: /*
1.100 schwarze 438: * If the word consists of a bare delimiter,
439: * flag the new node accordingly,
440: * unless doing so was vetoed by the invoking macro.
441: * Always clear the veto, it is only valid for one word.
1.71 schwarze 442: */
443:
1.100 schwarze 444: if (d == DELIM_OPEN)
1.166 schwarze 445: mdoc->last->flags |= NODE_DELIMO;
1.100 schwarze 446: else if (d == DELIM_CLOSE &&
447: ! (mdoc->flags & MDOC_NODELIMC) &&
1.88 schwarze 448: mdoc->last->parent->tok != MDOC_Fd)
1.166 schwarze 449: mdoc->last->flags |= NODE_DELIMC;
1.100 schwarze 450: mdoc->flags &= ~MDOC_NODELIMC;
1.66 schwarze 451: }
1.1 kristaps 452:
1.106 schwarze 453: static void
1.145 schwarze 454: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 455: {
1.109 schwarze 456: char *p;
1.42 schwarze 457: int la;
1.1 kristaps 458:
1.106 schwarze 459: if (buf[*pos] == '\0')
460: return;
1.1 kristaps 461:
462: for (;;) {
1.42 schwarze 463: la = *pos;
1.147 schwarze 464: if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
465: ARGS_EOLN)
1.1 kristaps 466: break;
1.80 schwarze 467: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.43 schwarze 468:
1.42 schwarze 469: /*
470: * If we encounter end-of-sentence symbols, then trigger
471: * the double-space.
472: *
1.68 schwarze 473: * XXX: it's easy to allow this to propagate outward to
1.42 schwarze 474: * the last symbol, such that `. )' will cause the
475: * correct double-spacing. However, (1) groff isn't
476: * smart enough to do this and (2) it would require
477: * knowing which symbols break this behaviour, for
1.68 schwarze 478: * example, `. ;' shouldn't propagate the double-space.
1.42 schwarze 479: */
1.106 schwarze 480:
1.84 schwarze 481: if (mandoc_eos(p, strlen(p)))
1.166 schwarze 482: mdoc->last->flags |= NODE_EOS;
1.1 kristaps 483: }
484: }
485:
486: /*
1.109 schwarze 487: * Parse one word.
488: * If it is a macro, call it and return 1.
489: * Otherwise, allocate it and return 0.
490: */
491: static int
492: macro_or_word(MACRO_PROT_ARGS, int parsed)
493: {
494: char *p;
1.141 schwarze 495: int ntok;
1.109 schwarze 496:
497: p = buf + ppos;
1.147 schwarze 498: ntok = TOKEN_NONE;
1.113 schwarze 499: if (*p == '"')
1.109 schwarze 500: p++;
1.113 schwarze 501: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.111 schwarze 502: ntok = lookup(mdoc, tok, line, ppos, p);
1.109 schwarze 503:
1.147 schwarze 504: if (ntok == TOKEN_NONE) {
505: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.109 schwarze 506: mdoc_macros[tok].flags & MDOC_JOIN);
1.158 schwarze 507: return 0;
1.109 schwarze 508: } else {
509: if (mdoc_macros[tok].fp == in_line_eoln)
510: rew_elem(mdoc, tok);
511: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
1.147 schwarze 512: if (tok == TOKEN_NONE)
1.109 schwarze 513: append_delims(mdoc, line, pos, buf);
1.158 schwarze 514: return 1;
1.109 schwarze 515: }
516: }
517:
518: /*
1.88 schwarze 519: * Close out block partial/full explicit.
1.1 kristaps 520: */
1.107 schwarze 521: static void
1.1 kristaps 522: blk_exp_close(MACRO_PROT_ARGS)
523: {
1.141 schwarze 524: struct roff_node *body; /* Our own body. */
525: struct roff_node *endbody; /* Our own end marker. */
526: struct roff_node *itblk; /* An It block starting later. */
527: struct roff_node *later; /* A sub-block starting later. */
528: struct roff_node *n; /* Search back to our block. */
1.144 schwarze 529: struct roff_node *target; /* For find_pending(). */
1.47 schwarze 530:
1.144 schwarze 531: int j, lastarg, maxargs, nl, pending;
1.36 schwarze 532: enum margserr ac;
1.141 schwarze 533: int atok, ntok;
1.1 kristaps 534: char *p;
535:
1.76 schwarze 536: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 537:
1.1 kristaps 538: switch (tok) {
1.88 schwarze 539: case MDOC_Ec:
1.1 kristaps 540: maxargs = 1;
541: break;
1.88 schwarze 542: case MDOC_Ek:
1.82 schwarze 543: mdoc->flags &= ~MDOC_KEEP;
1.107 schwarze 544: /* FALLTHROUGH */
1.1 kristaps 545: default:
546: maxargs = 0;
547: break;
548: }
549:
1.165 schwarze 550: /* Search backwards for the beginning of our own body. */
551:
552: atok = rew_alt(tok);
553: body = NULL;
554: for (n = mdoc->last; n; n = n->parent) {
1.166 schwarze 555: if (n->flags & NODE_ENDED || n->tok != atok ||
1.165 schwarze 556: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
557: continue;
558: body = n;
559: break;
560: }
561:
1.47 schwarze 562: /*
563: * Search backwards for beginnings of blocks,
564: * both of our own and of pending sub-blocks.
565: */
1.107 schwarze 566:
1.165 schwarze 567: endbody = itblk = later = NULL;
1.76 schwarze 568: for (n = mdoc->last; n; n = n->parent) {
1.166 schwarze 569: if (n->flags & NODE_ENDED) {
570: if ( ! (n->flags & NODE_VALID))
571: n->flags |= NODE_BROKEN;
1.47 schwarze 572: continue;
1.139 schwarze 573: }
1.47 schwarze 574:
1.165 schwarze 575: /*
1.167 ! schwarze 576: * Mismatching end macros can never break anything
1.165 schwarze 577: * and we only care about the breaking of BLOCKs.
578: */
1.47 schwarze 579:
1.167 ! schwarze 580: if (body == NULL || n->type != ROFFT_BLOCK)
1.47 schwarze 581: continue;
1.116 schwarze 582:
1.167 ! schwarze 583: /*
! 584: * SYNOPSIS name blocks can not be broken themselves,
! 585: * but they do get broken together with a broken child.
! 586: */
! 587:
! 588: if (n->tok == MDOC_Nm) {
! 589: if (later != NULL)
! 590: n->flags |= NODE_BROKEN | NODE_ENDED;
! 591: continue;
! 592: }
! 593:
1.116 schwarze 594: if (n->tok == MDOC_It) {
1.127 schwarze 595: itblk = n;
1.116 schwarze 596: continue;
597: }
598:
1.47 schwarze 599: if (atok == n->tok) {
600: assert(body);
601:
602: /*
603: * Found the start of our own block.
604: * When there is no pending sub block,
605: * just proceed to closing out.
606: */
1.107 schwarze 607:
1.116 schwarze 608: if (later == NULL ||
1.127 schwarze 609: (tok == MDOC_El && itblk == NULL))
1.47 schwarze 610: break;
611:
1.88 schwarze 612: /*
1.123 schwarze 613: * When there is a pending sub block, postpone
614: * closing out the current block until the
615: * rew_pending() closing out the sub-block.
1.47 schwarze 616: * Mark the place where the formatting - but not
617: * the scope - of the current block ends.
618: */
1.107 schwarze 619:
1.139 schwarze 620: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
621: line, ppos, "%s breaks %s",
622: mdoc_macronames[atok],
623: mdoc_macronames[later->tok]);
624:
1.122 schwarze 625: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.106 schwarze 626: atok, body, ENDBODY_SPACE);
1.107 schwarze 627:
1.139 schwarze 628: if (tok == MDOC_El)
1.166 schwarze 629: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.139 schwarze 630:
1.107 schwarze 631: /*
632: * If a block closing macro taking arguments
633: * breaks another block, put the arguments
1.122 schwarze 634: * into the end marker.
1.107 schwarze 635: */
636:
1.122 schwarze 637: if (maxargs)
1.145 schwarze 638: mdoc->next = ROFF_NEXT_CHILD;
1.47 schwarze 639: break;
1.138 schwarze 640: }
641:
642: /* Explicit blocks close out description lines. */
643:
644: if (n->tok == MDOC_Nd) {
645: rew_last(mdoc, n);
646: continue;
1.47 schwarze 647: }
648:
1.139 schwarze 649: /* Breaking an open sub block. */
1.107 schwarze 650:
1.166 schwarze 651: n->flags |= NODE_BROKEN;
1.139 schwarze 652: if (later == NULL)
1.47 schwarze 653: later = n;
654: }
1.122 schwarze 655:
656: if (body == NULL) {
657: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
658: line, ppos, mdoc_macronames[tok]);
659: if (maxargs && endbody == NULL) {
660: /*
661: * Stray .Ec without previous .Eo:
662: * Break the output line, keep the arguments.
663: */
1.149 schwarze 664: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.122 schwarze 665: rew_elem(mdoc, MDOC_br);
666: }
667: } else if (endbody == NULL) {
668: rew_last(mdoc, body);
669: if (maxargs)
670: mdoc_tail_alloc(mdoc, line, ppos, atok);
671: }
1.47 schwarze 672:
1.106 schwarze 673: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
674: if (buf[*pos] != '\0')
1.93 schwarze 675: mandoc_vmsg(MANDOCERR_ARG_SKIP,
676: mdoc->parse, line, ppos,
677: "%s %s", mdoc_macronames[tok],
678: buf + *pos);
1.127 schwarze 679: if (endbody == NULL && n != NULL)
1.123 schwarze 680: rew_pending(mdoc, n);
1.107 schwarze 681: return;
1.1 kristaps 682: }
683:
1.122 schwarze 684: if (endbody != NULL)
685: n = endbody;
1.153 schwarze 686:
687: ntok = TOKEN_NONE;
1.104 schwarze 688: for (j = 0; ; j++) {
1.1 kristaps 689: lastarg = *pos;
690:
1.142 schwarze 691: if (j == maxargs && n != NULL)
692: rew_last(mdoc, n);
1.1 kristaps 693:
1.76 schwarze 694: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 695: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 696: break;
697:
1.147 schwarze 698: ntok = ac == ARGS_QWORD ? TOKEN_NONE :
1.111 schwarze 699: lookup(mdoc, tok, line, lastarg, p);
1.36 schwarze 700:
1.147 schwarze 701: if (ntok == TOKEN_NONE) {
1.106 schwarze 702: dword(mdoc, line, lastarg, p, DELIM_MAX,
703: MDOC_JOIN & mdoc_macros[tok].flags);
1.36 schwarze 704: continue;
705: }
1.1 kristaps 706:
1.142 schwarze 707: if (n != NULL)
708: rew_last(mdoc, n);
1.79 schwarze 709: mdoc->flags &= ~MDOC_NEWLINE;
1.107 schwarze 710: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.36 schwarze 711: break;
1.1 kristaps 712: }
713:
1.144 schwarze 714: if (n != NULL) {
1.166 schwarze 715: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.144 schwarze 716: target = n;
717: do
718: target = target->parent;
1.166 schwarze 719: while ( ! (target->flags & NODE_ENDED));
1.144 schwarze 720: pending = find_pending(mdoc, ntok, line, ppos,
721: target);
722: } else
723: pending = 0;
724: if ( ! pending)
725: rew_pending(mdoc, n);
726: }
1.106 schwarze 727: if (nl)
728: append_delims(mdoc, line, pos, buf);
1.1 kristaps 729: }
730:
1.107 schwarze 731: static void
1.1 kristaps 732: in_line(MACRO_PROT_ARGS)
733: {
1.100 schwarze 734: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.141 schwarze 735: int ntok;
1.36 schwarze 736: enum margserr ac;
1.40 schwarze 737: enum mdelim d;
1.36 schwarze 738: struct mdoc_arg *arg;
739: char *p;
1.1 kristaps 740:
1.76 schwarze 741: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 742:
1.1 kristaps 743: /*
744: * Whether we allow ignored elements (those without content,
745: * usually because of reserved words) to squeak by.
746: */
1.32 schwarze 747:
1.1 kristaps 748: switch (tok) {
1.88 schwarze 749: case MDOC_An:
750: case MDOC_Ar:
751: case MDOC_Fl:
752: case MDOC_Mt:
753: case MDOC_Nm:
754: case MDOC_Pa:
1.1 kristaps 755: nc = 1;
756: break;
757: default:
758: nc = 0;
759: break;
760: }
761:
1.108 schwarze 762: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 763:
1.100 schwarze 764: d = DELIM_NONE;
765: firstarg = 1;
1.98 schwarze 766: mayopen = 1;
1.45 schwarze 767: for (cnt = scope = 0;; ) {
1.1 kristaps 768: la = *pos;
1.76 schwarze 769: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 770:
1.100 schwarze 771: /*
772: * At the end of a macro line,
773: * opening delimiters do not suppress spacing.
774: */
775:
776: if (ac == ARGS_EOLN) {
777: if (d == DELIM_OPEN)
1.166 schwarze 778: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 779: break;
1.100 schwarze 780: }
781:
782: /*
783: * The rest of the macro line is only punctuation,
784: * to be handled by append_delims().
785: * If there were no other arguments,
786: * do not allow the first one to suppress spacing,
787: * even if it turns out to be a closing one.
788: */
789:
790: if (ac == ARGS_PUNCT) {
1.132 schwarze 791: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.100 schwarze 792: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 793: break;
1.100 schwarze 794: }
1.1 kristaps 795:
1.101 schwarze 796: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.147 schwarze 797: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 798:
1.88 schwarze 799: /*
1.1 kristaps 800: * In this case, we've located a submacro and must
801: * execute it. Close out scope, if open. If no
802: * elements have been generated, either create one (nc)
803: * or raise a warning.
804: */
805:
1.147 schwarze 806: if (ntok != TOKEN_NONE) {
1.105 schwarze 807: if (scope)
808: rew_elem(mdoc, tok);
1.106 schwarze 809: if (nc && ! cnt) {
810: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.105 schwarze 811: rew_last(mdoc, mdoc->last);
1.106 schwarze 812: } else if ( ! nc && ! cnt) {
1.1 kristaps 813: mdoc_argv_free(arg);
1.92 schwarze 814: mandoc_msg(MANDOCERR_MACRO_EMPTY,
815: mdoc->parse, line, ppos,
816: mdoc_macronames[tok]);
1.1 kristaps 817: }
1.107 schwarze 818: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.106 schwarze 819: if (nl)
820: append_delims(mdoc, line, pos, buf);
1.107 schwarze 821: return;
1.88 schwarze 822: }
1.1 kristaps 823:
1.88 schwarze 824: /*
1.1 kristaps 825: * Non-quote-enclosed punctuation. Set up our scope, if
826: * a word; rewind the scope, if a delimiter; then append
1.88 schwarze 827: * the word.
1.1 kristaps 828: */
829:
1.106 schwarze 830: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.1 kristaps 831:
1.45 schwarze 832: if (DELIM_NONE != d) {
833: /*
834: * If we encounter closing punctuation, no word
1.100 schwarze 835: * has been emitted, no scope is open, and we're
1.45 schwarze 836: * allowed to have an empty element, then start
1.98 schwarze 837: * a new scope.
1.45 schwarze 838: */
1.98 schwarze 839: if ((d == DELIM_CLOSE ||
840: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.100 schwarze 841: !cnt && !scope && nc && mayopen) {
1.106 schwarze 842: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 843: scope = 1;
1.98 schwarze 844: cnt++;
1.106 schwarze 845: if (tok == MDOC_Nm)
1.98 schwarze 846: mayopen = 0;
1.45 schwarze 847: }
848: /*
849: * Close out our scope, if one is open, before
850: * any punctuation.
851: */
1.105 schwarze 852: if (scope)
853: rew_elem(mdoc, tok);
1.45 schwarze 854: scope = 0;
1.101 schwarze 855: if (tok == MDOC_Fn)
856: mayopen = 0;
1.98 schwarze 857: } else if (mayopen && !scope) {
1.106 schwarze 858: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 859: scope = 1;
1.98 schwarze 860: cnt++;
1.1 kristaps 861: }
1.66 schwarze 862:
1.106 schwarze 863: dword(mdoc, line, la, p, d,
864: MDOC_JOIN & mdoc_macros[tok].flags);
1.27 schwarze 865:
866: /*
1.100 schwarze 867: * If the first argument is a closing delimiter,
868: * do not suppress spacing before it.
869: */
870:
871: if (firstarg && d == DELIM_CLOSE && !nc)
1.166 schwarze 872: mdoc->last->flags &= ~NODE_DELIMC;
1.100 schwarze 873: firstarg = 0;
874:
875: /*
1.27 schwarze 876: * `Fl' macros have their scope re-opened with each new
877: * word so that the `-' can be added to each one without
878: * having to parse out spaces.
879: */
1.106 schwarze 880: if (scope && tok == MDOC_Fl) {
1.105 schwarze 881: rew_elem(mdoc, tok);
1.45 schwarze 882: scope = 0;
1.27 schwarze 883: }
1.1 kristaps 884: }
885:
1.105 schwarze 886: if (scope)
887: rew_elem(mdoc, tok);
1.1 kristaps 888:
889: /*
890: * If no elements have been collected and we're allowed to have
891: * empties (nc), open a scope and close it out. Otherwise,
892: * raise a warning.
893: */
1.32 schwarze 894:
1.106 schwarze 895: if ( ! cnt) {
896: if (nc) {
897: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
898: rew_last(mdoc, mdoc->last);
899: } else {
900: mdoc_argv_free(arg);
901: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
902: line, ppos, mdoc_macronames[tok]);
903: }
1.1 kristaps 904: }
1.106 schwarze 905: if (nl)
906: append_delims(mdoc, line, pos, buf);
1.1 kristaps 907: }
908:
1.107 schwarze 909: static void
1.1 kristaps 910: blk_full(MACRO_PROT_ARGS)
911: {
1.109 schwarze 912: int la, nl, parsed;
1.1 kristaps 913: struct mdoc_arg *arg;
1.141 schwarze 914: struct roff_node *blk; /* Our own or a broken block. */
915: struct roff_node *head; /* Our own head. */
916: struct roff_node *body; /* Our own body. */
917: struct roff_node *n;
1.37 schwarze 918: enum margserr ac, lac;
1.1 kristaps 919: char *p;
920:
1.76 schwarze 921: nl = MDOC_NEWLINE & mdoc->flags;
1.95 schwarze 922:
1.133 schwarze 923: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
924: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
925: line, ppos, mdoc_macronames[tok]);
926: return;
927: }
928:
1.127 schwarze 929: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
930:
931: /* Here, tok is one of Sh Ss Nm Nd It. */
932:
933: blk = NULL;
934: for (n = mdoc->last; n != NULL; n = n->parent) {
1.166 schwarze 935: if (n->flags & NODE_ENDED) {
936: if ( ! (n->flags & NODE_VALID))
937: n->flags |= NODE_BROKEN;
1.139 schwarze 938: continue;
939: }
1.140 schwarze 940: if (n->type != ROFFT_BLOCK)
1.127 schwarze 941: continue;
1.139 schwarze 942:
1.127 schwarze 943: if (tok == MDOC_It && n->tok == MDOC_Bl) {
944: if (blk != NULL) {
945: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
946: mdoc->parse, line, ppos,
947: "It breaks %s",
948: mdoc_macronames[blk->tok]);
949: rew_pending(mdoc, blk);
950: }
951: break;
952: }
953:
954: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
955: switch (tok) {
956: case MDOC_Sh:
957: case MDOC_Ss:
958: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
959: mdoc->parse, line, ppos,
960: "%s breaks %s",
961: mdoc_macronames[tok],
962: mdoc_macronames[n->tok]);
963: rew_pending(mdoc, n);
1.136 schwarze 964: n = mdoc->last;
1.127 schwarze 965: continue;
966: case MDOC_It:
967: /* Delay in case it's astray. */
968: blk = n;
969: continue;
970: default:
971: break;
972: }
973: break;
974: }
975:
976: /* Here, n is one of Sh Ss Nm Nd It. */
1.95 schwarze 977:
1.127 schwarze 978: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
979: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
980: (tok != MDOC_It && n->tok == MDOC_It)))))
1.95 schwarze 981: break;
1.127 schwarze 982:
983: /* Item breaking an explicit block. */
984:
985: if (blk != NULL) {
986: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
987: mdoc->parse, line, ppos,
988: "It breaks %s",
989: mdoc_macronames[blk->tok]);
990: rew_pending(mdoc, blk);
1.128 schwarze 991: blk = NULL;
1.127 schwarze 992: }
993:
994: /* Close out prior implicit scopes. */
995:
1.167 ! schwarze 996: rew_pending(mdoc, n);
1.127 schwarze 997: }
998:
999: /* Skip items outside lists. */
1000:
1001: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.95 schwarze 1002: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1003: line, ppos, "It %s", buf + *pos);
1.149 schwarze 1004: roff_elem_alloc(mdoc, line, ppos, MDOC_br);
1.105 schwarze 1005: rew_elem(mdoc, MDOC_br);
1.107 schwarze 1006: return;
1.95 schwarze 1007: }
1.1 kristaps 1008: }
1009:
1.32 schwarze 1010: /*
1.68 schwarze 1011: * This routine accommodates implicitly- and explicitly-scoped
1.32 schwarze 1012: * macro openings. Implicit ones first close out prior scope
1013: * (seen above). Delay opening the head until necessary to
1014: * allow leading punctuation to print. Special consideration
1015: * for `It -column', which has phrase-part syntax instead of
1016: * regular child nodes.
1017: */
1018:
1.108 schwarze 1019: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.121 schwarze 1020: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.34 schwarze 1021: head = body = NULL;
1.1 kristaps 1022:
1.32 schwarze 1023: /*
1.73 schwarze 1024: * Exception: Heads of `It' macros in `-diag' lists are not
1025: * parsed, even though `It' macros in general are parsed.
1026: */
1.107 schwarze 1027:
1.109 schwarze 1028: parsed = tok != MDOC_It ||
1029: mdoc->last->parent->tok != MDOC_Bl ||
1030: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.73 schwarze 1031:
1032: /*
1.32 schwarze 1033: * The `Nd' macro has all arguments in its body: it's a hybrid
1034: * of block partial-explicit and full-implicit. Stupid.
1035: */
1.12 schwarze 1036:
1.106 schwarze 1037: if (tok == MDOC_Nd) {
1.146 schwarze 1038: head = roff_head_alloc(mdoc, line, ppos, tok);
1.118 schwarze 1039: rew_last(mdoc, head);
1.146 schwarze 1040: body = roff_body_alloc(mdoc, line, ppos, tok);
1.80 schwarze 1041: }
1042:
1.106 schwarze 1043: if (tok == MDOC_Bk)
1.80 schwarze 1044: mdoc->flags |= MDOC_KEEP;
1.12 schwarze 1045:
1.161 schwarze 1046: ac = ARGS_EOLN;
1.106 schwarze 1047: for (;;) {
1.161 schwarze 1048:
1049: /*
1050: * If we are right after a tab character,
1051: * do not parse the first word for macros.
1052: */
1053:
1054: if (mdoc->flags & MDOC_PHRASEQN) {
1055: mdoc->flags &= ~MDOC_PHRASEQN;
1056: mdoc->flags |= MDOC_PHRASEQF;
1057: }
1058:
1.32 schwarze 1059: la = *pos;
1.106 schwarze 1060: lac = ac;
1.76 schwarze 1061: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1062: if (ac == ARGS_EOLN) {
1.161 schwarze 1063: if (lac != ARGS_PHRASE ||
1064: ! (mdoc->flags & MDOC_PHRASEQF))
1.46 schwarze 1065: break;
1.161 schwarze 1066:
1.46 schwarze 1067: /*
1.161 schwarze 1068: * This line ends in a tab; start the next
1069: * column now, with a leading blank.
1.46 schwarze 1070: */
1.161 schwarze 1071:
1.123 schwarze 1072: if (body != NULL)
1073: rew_last(mdoc, body);
1.146 schwarze 1074: body = roff_body_alloc(mdoc, line, ppos, tok);
1.161 schwarze 1075: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1076: break;
1.41 schwarze 1077: }
1.161 schwarze 1078:
1.130 schwarze 1079: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1080: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1081: mdoc->parse, line, la, "%s ... %s",
1082: mdoc_macronames[tok], buf + la);
1083: break;
1084: }
1.129 schwarze 1085: if (tok == MDOC_Rs) {
1086: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1087: line, la, "Rs %s", buf + la);
1088: break;
1089: }
1090: if (ac == ARGS_PUNCT)
1091: break;
1.41 schwarze 1092:
1.88 schwarze 1093: /*
1.46 schwarze 1094: * Emit leading punctuation (i.e., punctuation before
1.140 schwarze 1095: * the ROFFT_HEAD) for non-phrase types.
1.46 schwarze 1096: */
1.32 schwarze 1097:
1.106 schwarze 1098: if (head == NULL &&
1099: ac != ARGS_PHRASE &&
1100: ac != ARGS_QWORD &&
1101: mdoc_isdelim(p) == DELIM_OPEN) {
1102: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1103: continue;
1104: }
1105:
1.46 schwarze 1106: /* Open a head if one hasn't been opened. */
1.32 schwarze 1107:
1.106 schwarze 1108: if (head == NULL)
1.146 schwarze 1109: head = roff_head_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1110:
1.161 schwarze 1111: if (ac == ARGS_PHRASE) {
1.107 schwarze 1112:
1.46 schwarze 1113: /*
1114: * If we haven't opened a body yet, rewind the
1115: * head; if we have, rewind that instead.
1116: */
1117:
1.123 schwarze 1118: rew_last(mdoc, body == NULL ? head : body);
1.146 schwarze 1119: body = roff_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1120:
1.161 schwarze 1121: /* Process to the tab or to the end of the line. */
1.46 schwarze 1122:
1.161 schwarze 1123: mdoc->flags |= MDOC_PHRASE;
1.147 schwarze 1124: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.161 schwarze 1125: mdoc->flags &= ~MDOC_PHRASE;
1.160 schwarze 1126:
1127: /* There may have been `Ta' macros. */
1128:
1129: while (body->next != NULL)
1130: body = body->next;
1.1 kristaps 1131: continue;
1132: }
1133:
1.109 schwarze 1134: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.107 schwarze 1135: break;
1.32 schwarze 1136: }
1.1 kristaps 1137:
1.166 schwarze 1138: if (blk->flags & NODE_VALID)
1.121 schwarze 1139: return;
1.106 schwarze 1140: if (head == NULL)
1.146 schwarze 1141: head = roff_head_alloc(mdoc, line, ppos, tok);
1.130 schwarze 1142: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.106 schwarze 1143: append_delims(mdoc, line, pos, buf);
1.107 schwarze 1144: if (body != NULL)
1.46 schwarze 1145: goto out;
1.143 schwarze 1146: if (find_pending(mdoc, tok, line, ppos, head))
1.139 schwarze 1147: return;
1.54 schwarze 1148:
1.32 schwarze 1149: /* Close out scopes to remain in a consistent state. */
1.12 schwarze 1150:
1.123 schwarze 1151: rew_last(mdoc, head);
1.146 schwarze 1152: body = roff_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1153: out:
1.106 schwarze 1154: if (mdoc->flags & MDOC_FREECOL) {
1.123 schwarze 1155: rew_last(mdoc, body);
1156: rew_last(mdoc, blk);
1.106 schwarze 1157: mdoc->flags &= ~MDOC_FREECOL;
1158: }
1.1 kristaps 1159: }
1160:
1.107 schwarze 1161: static void
1.1 kristaps 1162: blk_part_imp(MACRO_PROT_ARGS)
1163: {
1.43 schwarze 1164: int la, nl;
1.36 schwarze 1165: enum margserr ac;
1.1 kristaps 1166: char *p;
1.141 schwarze 1167: struct roff_node *blk; /* saved block context */
1168: struct roff_node *body; /* saved body context */
1169: struct roff_node *n;
1.1 kristaps 1170:
1.76 schwarze 1171: nl = MDOC_NEWLINE & mdoc->flags;
1.43 schwarze 1172:
1.32 schwarze 1173: /*
1174: * A macro that spans to the end of the line. This is generally
1175: * (but not necessarily) called as the first macro. The block
1176: * has a head as the immediate child, which is always empty,
1177: * followed by zero or more opening punctuation nodes, then the
1178: * body (which may be empty, depending on the macro), then zero
1179: * or more closing punctuation nodes.
1180: */
1.22 schwarze 1181:
1.106 schwarze 1182: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.146 schwarze 1183: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1184:
1.32 schwarze 1185: /*
1186: * Open the body scope "on-demand", that is, after we've
1187: * processed all our the leading delimiters (open parenthesis,
1188: * etc.).
1189: */
1.1 kristaps 1190:
1.32 schwarze 1191: for (body = NULL; ; ) {
1.22 schwarze 1192: la = *pos;
1.76 schwarze 1193: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1194: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1195: break;
1196:
1.106 schwarze 1197: if (body == NULL && ac != ARGS_QWORD &&
1198: mdoc_isdelim(p) == DELIM_OPEN) {
1199: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1200: continue;
1.80 schwarze 1201: }
1.1 kristaps 1202:
1.106 schwarze 1203: if (body == NULL)
1.146 schwarze 1204: body = roff_body_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1205:
1.109 schwarze 1206: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.107 schwarze 1207: break;
1.32 schwarze 1208: }
1.106 schwarze 1209: if (body == NULL)
1.146 schwarze 1210: body = roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1211:
1.143 schwarze 1212: if (find_pending(mdoc, tok, line, ppos, body))
1.139 schwarze 1213: return;
1214:
1.120 schwarze 1215: rew_last(mdoc, body);
1.106 schwarze 1216: if (nl)
1217: append_delims(mdoc, line, pos, buf);
1.122 schwarze 1218: rew_pending(mdoc, blk);
1.74 schwarze 1219:
1220: /* Move trailing .Ns out of scope. */
1221:
1222: for (n = body->child; n && n->next; n = n->next)
1223: /* Do nothing. */ ;
1.106 schwarze 1224: if (n && n->tok == MDOC_Ns)
1.76 schwarze 1225: mdoc_node_relink(mdoc, n);
1.1 kristaps 1226: }
1227:
1.107 schwarze 1228: static void
1.1 kristaps 1229: blk_part_exp(MACRO_PROT_ARGS)
1230: {
1.37 schwarze 1231: int la, nl;
1.36 schwarze 1232: enum margserr ac;
1.141 schwarze 1233: struct roff_node *head; /* keep track of head */
1.1 kristaps 1234: char *p;
1235:
1.76 schwarze 1236: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 1237:
1.32 schwarze 1238: /*
1239: * The opening of an explicit macro having zero or more leading
1240: * punctuation nodes; a head with optional single element (the
1241: * case of `Eo'); and a body that may be empty.
1242: */
1.22 schwarze 1243:
1.149 schwarze 1244: roff_block_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1245: head = NULL;
1246: for (;;) {
1.22 schwarze 1247: la = *pos;
1.76 schwarze 1248: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1249: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1250: break;
1251:
1.32 schwarze 1252: /* Flush out leading punctuation. */
1253:
1.106 schwarze 1254: if (head == NULL && ac != ARGS_QWORD &&
1255: mdoc_isdelim(p) == DELIM_OPEN) {
1256: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1257: continue;
1.80 schwarze 1258: }
1.32 schwarze 1259:
1.106 schwarze 1260: if (head == NULL) {
1.146 schwarze 1261: head = roff_head_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1262: if (tok == MDOC_Eo) /* Not parsed. */
1.106 schwarze 1263: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.119 schwarze 1264: rew_last(mdoc, head);
1.146 schwarze 1265: roff_body_alloc(mdoc, line, ppos, tok);
1.106 schwarze 1266: if (tok == MDOC_Eo)
1.32 schwarze 1267: continue;
1268: }
1269:
1.109 schwarze 1270: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.107 schwarze 1271: break;
1.1 kristaps 1272: }
1273:
1.32 schwarze 1274: /* Clean-up to leave in a consistent state. */
1275:
1.119 schwarze 1276: if (head == NULL) {
1.146 schwarze 1277: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1278: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1279: }
1.106 schwarze 1280: if (nl)
1281: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1282: }
1283:
1.107 schwarze 1284: static void
1.1 kristaps 1285: in_line_argn(MACRO_PROT_ARGS)
1286: {
1.36 schwarze 1287: struct mdoc_arg *arg;
1288: char *p;
1.137 schwarze 1289: enum margserr ac;
1.141 schwarze 1290: int ntok;
1.137 schwarze 1291: int state; /* arg#; -1: not yet open; -2: closed */
1292: int la, maxargs, nl;
1.1 kristaps 1293:
1.112 schwarze 1294: nl = mdoc->flags & MDOC_NEWLINE;
1.37 schwarze 1295:
1.32 schwarze 1296: /*
1297: * A line macro that has a fixed number of arguments (maxargs).
1298: * Only open the scope once the first non-leading-punctuation is
1299: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1300: * keep it open until the maximum number of arguments are
1301: * exhausted.
1302: */
1.1 kristaps 1303:
1304: switch (tok) {
1.88 schwarze 1305: case MDOC_Ap:
1306: case MDOC_Ns:
1307: case MDOC_Ux:
1.1 kristaps 1308: maxargs = 0;
1309: break;
1.88 schwarze 1310: case MDOC_Bx:
1.89 schwarze 1311: case MDOC_Es:
1.88 schwarze 1312: case MDOC_Xr:
1.28 schwarze 1313: maxargs = 2;
1314: break;
1.1 kristaps 1315: default:
1316: maxargs = 1;
1317: break;
1318: }
1319:
1.108 schwarze 1320: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1321:
1.137 schwarze 1322: state = -1;
1.112 schwarze 1323: p = NULL;
1324: for (;;) {
1.22 schwarze 1325: la = *pos;
1.76 schwarze 1326: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.137 schwarze 1327:
1328: if (ac == ARGS_WORD && state == -1 &&
1329: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1330: mdoc_isdelim(p) == DELIM_OPEN) {
1331: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1332: continue;
1333: }
1334:
1335: if (state == -1 && tok != MDOC_In &&
1336: tok != MDOC_St && tok != MDOC_Xr) {
1337: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1338: state = 0;
1339: }
1340:
1.112 schwarze 1341: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.137 schwarze 1342: if (abs(state) < 2 && tok == MDOC_Pf)
1.112 schwarze 1343: mandoc_vmsg(MANDOCERR_PF_SKIP,
1344: mdoc->parse, line, ppos, "Pf %s",
1345: p == NULL ? "at eol" : p);
1.1 kristaps 1346: break;
1.112 schwarze 1347: }
1.1 kristaps 1348:
1.137 schwarze 1349: if (state == maxargs) {
1.105 schwarze 1350: rew_elem(mdoc, tok);
1.137 schwarze 1351: state = -2;
1.32 schwarze 1352: }
1353:
1.137 schwarze 1354: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
1.147 schwarze 1355: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.36 schwarze 1356:
1.147 schwarze 1357: if (ntok != TOKEN_NONE) {
1.137 schwarze 1358: if (state >= 0) {
1.105 schwarze 1359: rew_elem(mdoc, tok);
1.137 schwarze 1360: state = -2;
1361: }
1.107 schwarze 1362: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1363: break;
1364: }
1365:
1.137 schwarze 1366: if (ac == ARGS_QWORD ||
1367: mdoc_macros[tok].flags & MDOC_IGNDELIM ||
1368: mdoc_isdelim(p) == DELIM_NONE) {
1369: if (state == -1) {
1370: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1371: state = 1;
1372: } else if (state >= 0)
1373: state++;
1374: } else if (state >= 0) {
1.105 schwarze 1375: rew_elem(mdoc, tok);
1.137 schwarze 1376: state = -2;
1.28 schwarze 1377: }
1378:
1.106 schwarze 1379: dword(mdoc, line, la, p, DELIM_MAX,
1380: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1381: }
1382:
1.137 schwarze 1383: if (state == -1) {
1384: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1385: line, ppos, mdoc_macronames[tok]);
1386: return;
1.112 schwarze 1387: }
1.137 schwarze 1388:
1389: if (state == 0 && tok == MDOC_Pf)
1390: append_delims(mdoc, line, pos, buf);
1391: if (state >= 0)
1.105 schwarze 1392: rew_elem(mdoc, tok);
1.106 schwarze 1393: if (nl)
1394: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1395: }
1396:
1.107 schwarze 1397: static void
1.1 kristaps 1398: in_line_eoln(MACRO_PROT_ARGS)
1399: {
1.141 schwarze 1400: struct roff_node *n;
1.126 schwarze 1401: struct mdoc_arg *arg;
1.1 kristaps 1402:
1.126 schwarze 1403: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1404: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1405: n = mdoc->last;
1.145 schwarze 1406: if (mdoc->next == ROFF_NEXT_SIBLING)
1.126 schwarze 1407: n = n->parent;
1408: if (n->tok == MDOC_Nm)
1.154 schwarze 1409: rew_last(mdoc, n->parent);
1.134 schwarze 1410: }
1411:
1.135 schwarze 1412: if (buf[*pos] == '\0' &&
1413: (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
1.134 schwarze 1414: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.135 schwarze 1415: line, ppos, mdoc_macronames[tok]);
1.134 schwarze 1416: return;
1.126 schwarze 1417: }
1.53 schwarze 1418:
1.108 schwarze 1419: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.106 schwarze 1420: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.110 schwarze 1421: if (parse_rest(mdoc, tok, line, pos, buf))
1422: return;
1423: rew_elem(mdoc, tok);
1424: }
1425:
1426: /*
1427: * The simplest argument parser available: Parse the remaining
1428: * words until the end of the phrase or line and return 0
1429: * or until the next macro, call that macro, and return 1.
1430: */
1431: static int
1.145 schwarze 1432: parse_rest(struct roff_man *mdoc, int tok, int line, int *pos, char *buf)
1.110 schwarze 1433: {
1434: int la;
1.1 kristaps 1435:
1436: for (;;) {
1437: la = *pos;
1.109 schwarze 1438: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.158 schwarze 1439: return 0;
1.109 schwarze 1440: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.158 schwarze 1441: return 1;
1.1 kristaps 1442: }
1.28 schwarze 1443: }
1444:
1.107 schwarze 1445: static void
1.28 schwarze 1446: ctx_synopsis(MACRO_PROT_ARGS)
1447: {
1.37 schwarze 1448:
1.107 schwarze 1449: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1450: in_line(mdoc, tok, line, ppos, pos, buf);
1451: else if (tok == MDOC_Nm)
1452: blk_full(mdoc, tok, line, ppos, pos, buf);
1453: else {
1454: assert(tok == MDOC_Vt);
1455: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1456: }
1.1 kristaps 1457: }
1458:
1.17 schwarze 1459: /*
1460: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1461: * They're unusual because they're basically free-form text until a
1462: * macro is encountered.
1463: */
1.107 schwarze 1464: static void
1.46 schwarze 1465: phrase_ta(MACRO_PROT_ARGS)
1466: {
1.141 schwarze 1467: struct roff_node *body, *n;
1.46 schwarze 1468:
1.78 schwarze 1469: /* Make sure we are in a column list or ignore this macro. */
1.107 schwarze 1470:
1.123 schwarze 1471: body = NULL;
1472: for (n = mdoc->last; n != NULL; n = n->parent) {
1.166 schwarze 1473: if (n->flags & NODE_ENDED)
1.123 schwarze 1474: continue;
1.140 schwarze 1475: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.123 schwarze 1476: body = n;
1.164 schwarze 1477: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.123 schwarze 1478: break;
1479: }
1480:
1.107 schwarze 1481: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.94 schwarze 1482: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.96 schwarze 1483: line, ppos, "Ta");
1.107 schwarze 1484: return;
1.78 schwarze 1485: }
1.46 schwarze 1486:
1.78 schwarze 1487: /* Advance to the next column. */
1.106 schwarze 1488:
1.123 schwarze 1489: rew_last(mdoc, body);
1.146 schwarze 1490: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.147 schwarze 1491: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.46 schwarze 1492: }
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