Annotation of mandoc/mdoc_macro.c, Revision 1.221
1.221 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.220 2017/04/29 12:45:42 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 }, /* sp */
1.37 kristaps 201: { in_line_eoln, 0 }, /* %U */
1.123 schwarze 202: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.143 schwarze 203: { in_line_eoln, MDOC_PROLOGUE }, /* ll */
1.1 kristaps 204: };
1.219 schwarze 205: const struct mdoc_macro *const mdoc_macros = __mdoc_macros - MDOC_Dd;
1.1 kristaps 206:
207:
208: /*
209: * This is called at the end of parsing. It must traverse up the tree,
210: * closing out open [implicit] scopes. Obviously, open explicit scopes
211: * are errors.
212: */
1.151 schwarze 213: void
1.195 schwarze 214: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 215: {
1.185 schwarze 216: struct roff_node *n;
1.1 kristaps 217:
218: /* Scan for open explicit scopes. */
219:
1.210 schwarze 220: n = mdoc->last->flags & NODE_VALID ?
1.131 schwarze 221: mdoc->last->parent : mdoc->last;
1.1 kristaps 222:
1.94 schwarze 223: for ( ; n; n = n->parent)
1.184 schwarze 224: if (n->type == ROFFT_BLOCK &&
1.151 schwarze 225: mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
1.137 schwarze 226: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
1.219 schwarze 227: n->line, n->pos, roff_name[n->tok]);
1.1 kristaps 228:
1.32 kristaps 229: /* Rewind to the first. */
230:
1.149 schwarze 231: rew_last(mdoc, mdoc->first);
1.206 schwarze 232: mdoc_state_reset(mdoc);
1.1 kristaps 233: }
234:
1.32 kristaps 235: /*
1.153 schwarze 236: * Look up the macro at *p called by "from",
1.191 schwarze 237: * or as a line macro if from == TOKEN_NONE.
1.32 kristaps 238: */
1.185 schwarze 239: static int
1.189 schwarze 240: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.28 kristaps 241: {
1.219 schwarze 242: enum roff_tok res;
1.1 kristaps 243:
1.205 schwarze 244: if (mdoc->flags & MDOC_PHRASEQF) {
245: mdoc->flags &= ~MDOC_PHRASEQF;
246: return TOKEN_NONE;
247: }
1.191 schwarze 248: if (from == TOKEN_NONE || mdoc_macros[from].flags & MDOC_PARSED) {
1.220 schwarze 249: res = roffhash_find(mdoc->mdocmac, p, 0);
1.191 schwarze 250: if (res != TOKEN_NONE) {
1.155 schwarze 251: if (mdoc_macros[res].flags & MDOC_CALLABLE)
1.202 schwarze 252: return res;
1.221 ! schwarze 253: if (res != MDOC_sp && res != MDOC_ll)
1.155 schwarze 254: mandoc_msg(MANDOCERR_MACRO_CALL,
255: mdoc->parse, line, ppos, p);
256: }
1.153 schwarze 257: }
1.202 schwarze 258: return TOKEN_NONE;
1.1 kristaps 259: }
260:
1.166 schwarze 261: /*
262: * Rewind up to and including a specific node.
263: */
1.149 schwarze 264: static void
1.189 schwarze 265: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 266: {
267:
1.210 schwarze 268: if (to->flags & NODE_VALID)
1.186 schwarze 269: return;
270:
1.1 kristaps 271: while (mdoc->last != to) {
1.206 schwarze 272: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 273: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.206 schwarze 274: mdoc->last = mdoc->last->parent;
1.1 kristaps 275: }
1.206 schwarze 276: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 277: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.200 schwarze 278: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 279: }
280:
1.32 kristaps 281: /*
1.166 schwarze 282: * Rewind up to a specific block, including all blocks that broke it.
283: */
284: static void
1.189 schwarze 285: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.166 schwarze 286: {
287:
1.183 schwarze 288: for (;;) {
289: rew_last(mdoc, n);
290:
1.194 schwarze 291: if (mdoc->last == n) {
292: switch (n->type) {
293: case ROFFT_HEAD:
294: roff_body_alloc(mdoc, n->line, n->pos,
295: n->tok);
1.207 schwarze 296: break;
1.194 schwarze 297: case ROFFT_BLOCK:
298: break;
299: default:
300: return;
301: }
1.210 schwarze 302: if ( ! (n->flags & NODE_BROKEN))
1.194 schwarze 303: return;
304: } else
305: n = mdoc->last;
1.166 schwarze 306:
1.183 schwarze 307: for (;;) {
308: if ((n = n->parent) == NULL)
309: return;
310:
1.184 schwarze 311: if (n->type == ROFFT_BLOCK ||
312: n->type == ROFFT_HEAD) {
1.210 schwarze 313: if (n->flags & NODE_ENDED)
1.183 schwarze 314: break;
315: else
316: return;
317: }
318: }
1.166 schwarze 319: }
320: }
321:
322: /*
1.84 schwarze 323: * For a block closing macro, return the corresponding opening one.
324: * Otherwise, return the macro itself.
1.32 kristaps 325: */
1.219 schwarze 326: static enum roff_tok
327: rew_alt(enum roff_tok tok)
1.1 kristaps 328: {
329: switch (tok) {
1.131 schwarze 330: case MDOC_Ac:
1.202 schwarze 331: return MDOC_Ao;
1.131 schwarze 332: case MDOC_Bc:
1.202 schwarze 333: return MDOC_Bo;
1.131 schwarze 334: case MDOC_Brc:
1.202 schwarze 335: return MDOC_Bro;
1.131 schwarze 336: case MDOC_Dc:
1.202 schwarze 337: return MDOC_Do;
1.131 schwarze 338: case MDOC_Ec:
1.202 schwarze 339: return MDOC_Eo;
1.131 schwarze 340: case MDOC_Ed:
1.202 schwarze 341: return MDOC_Bd;
1.131 schwarze 342: case MDOC_Ef:
1.202 schwarze 343: return MDOC_Bf;
1.131 schwarze 344: case MDOC_Ek:
1.202 schwarze 345: return MDOC_Bk;
1.131 schwarze 346: case MDOC_El:
1.202 schwarze 347: return MDOC_Bl;
1.131 schwarze 348: case MDOC_Fc:
1.202 schwarze 349: return MDOC_Fo;
1.131 schwarze 350: case MDOC_Oc:
1.202 schwarze 351: return MDOC_Oo;
1.131 schwarze 352: case MDOC_Pc:
1.202 schwarze 353: return MDOC_Po;
1.131 schwarze 354: case MDOC_Qc:
1.202 schwarze 355: return MDOC_Qo;
1.131 schwarze 356: case MDOC_Re:
1.202 schwarze 357: return MDOC_Rs;
1.131 schwarze 358: case MDOC_Sc:
1.202 schwarze 359: return MDOC_So;
1.131 schwarze 360: case MDOC_Xc:
1.202 schwarze 361: return MDOC_Xo;
1.1 kristaps 362: default:
1.202 schwarze 363: return tok;
1.1 kristaps 364: }
365: }
366:
1.149 schwarze 367: static void
1.219 schwarze 368: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 369: {
1.185 schwarze 370: struct roff_node *n;
1.1 kristaps 371:
372: n = mdoc->last;
1.184 schwarze 373: if (n->type != ROFFT_ELEM)
1.1 kristaps 374: n = n->parent;
1.184 schwarze 375: assert(n->type == ROFFT_ELEM);
1.1 kristaps 376: assert(tok == n->tok);
1.149 schwarze 377: rew_last(mdoc, n);
1.1 kristaps 378: }
379:
1.213 schwarze 380: static void
381: break_intermediate(struct roff_node *n, struct roff_node *breaker)
382: {
1.217 schwarze 383: if (n != breaker &&
384: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
385: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
386: n = n->parent;
1.213 schwarze 387: while (n != breaker) {
388: if ( ! (n->flags & NODE_VALID))
389: n->flags |= NODE_BROKEN;
390: n = n->parent;
391: }
392: }
393:
1.83 schwarze 394: /*
1.187 schwarze 395: * If there is an open sub-block of the target requiring
396: * explicit close-out, postpone closing out the target until
397: * the rew_pending() call closing out the sub-block.
398: */
399: static int
1.219 schwarze 400: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.187 schwarze 401: struct roff_node *target)
402: {
403: struct roff_node *n;
404: int irc;
405:
1.215 schwarze 406: if (target->flags & NODE_VALID)
407: return 0;
408:
1.187 schwarze 409: irc = 0;
410: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.213 schwarze 411: if (n->flags & NODE_ENDED)
1.187 schwarze 412: continue;
413: if (n->type == ROFFT_BLOCK &&
414: mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
415: irc = 1;
1.217 schwarze 416: break_intermediate(mdoc->last, target);
1.187 schwarze 417: if (target->type == ROFFT_HEAD)
1.212 schwarze 418: target->flags |= NODE_ENDED;
1.210 schwarze 419: else if ( ! (target->flags & NODE_ENDED)) {
1.187 schwarze 420: mandoc_vmsg(MANDOCERR_BLK_NEST,
421: mdoc->parse, line, ppos,
1.219 schwarze 422: "%s breaks %s", roff_name[tok],
423: roff_name[n->tok]);
1.187 schwarze 424: mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 425: tok, target);
1.187 schwarze 426: }
427: }
428: }
1.202 schwarze 429: return irc;
1.187 schwarze 430: }
431:
432: /*
1.105 kristaps 433: * Allocate a word and check whether it's punctuation or not.
434: * Punctuation consists of those tokens found in mdoc_isdelim().
435: */
1.150 schwarze 436: static void
1.189 schwarze 437: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 438: enum mdelim d, int may_append)
1.105 kristaps 439: {
1.131 schwarze 440:
1.150 schwarze 441: if (d == DELIM_MAX)
1.105 kristaps 442: d = mdoc_isdelim(p);
443:
1.123 schwarze 444: if (may_append &&
1.150 schwarze 445: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 446: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 447: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 448: roff_word_append(mdoc, p);
1.150 schwarze 449: return;
1.123 schwarze 450: }
451:
1.192 schwarze 452: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 453:
1.108 schwarze 454: /*
1.144 schwarze 455: * If the word consists of a bare delimiter,
456: * flag the new node accordingly,
457: * unless doing so was vetoed by the invoking macro.
458: * Always clear the veto, it is only valid for one word.
1.108 schwarze 459: */
460:
1.144 schwarze 461: if (d == DELIM_OPEN)
1.210 schwarze 462: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 463: else if (d == DELIM_CLOSE &&
464: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 465: mdoc->last->parent->tok != MDOC_Fd)
1.210 schwarze 466: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 467: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 468: }
1.1 kristaps 469:
1.150 schwarze 470: static void
1.189 schwarze 471: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 472: {
1.153 schwarze 473: char *p;
1.66 kristaps 474: int la;
1.1 kristaps 475:
1.150 schwarze 476: if (buf[*pos] == '\0')
477: return;
1.1 kristaps 478:
479: for (;;) {
1.66 kristaps 480: la = *pos;
1.191 schwarze 481: if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
482: ARGS_EOLN)
1.1 kristaps 483: break;
1.123 schwarze 484: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 485:
486: /*
487: * If we encounter end-of-sentence symbols, then trigger
488: * the double-space.
489: *
1.109 kristaps 490: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 491: * the last symbol, such that `. )' will cause the
492: * correct double-spacing. However, (1) groff isn't
493: * smart enough to do this and (2) it would require
494: * knowing which symbols break this behaviour, for
1.109 kristaps 495: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 496: */
1.150 schwarze 497:
1.127 schwarze 498: if (mandoc_eos(p, strlen(p)))
1.210 schwarze 499: mdoc->last->flags |= NODE_EOS;
1.1 kristaps 500: }
501: }
502:
503: /*
1.153 schwarze 504: * Parse one word.
505: * If it is a macro, call it and return 1.
506: * Otherwise, allocate it and return 0.
507: */
508: static int
509: macro_or_word(MACRO_PROT_ARGS, int parsed)
510: {
511: char *p;
1.185 schwarze 512: int ntok;
1.153 schwarze 513:
514: p = buf + ppos;
1.191 schwarze 515: ntok = TOKEN_NONE;
1.157 schwarze 516: if (*p == '"')
1.153 schwarze 517: p++;
1.157 schwarze 518: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.155 schwarze 519: ntok = lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 520:
1.191 schwarze 521: if (ntok == TOKEN_NONE) {
522: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.153 schwarze 523: mdoc_macros[tok].flags & MDOC_JOIN);
1.202 schwarze 524: return 0;
1.153 schwarze 525: } else {
1.219 schwarze 526: if (tok != TOKEN_NONE &&
527: mdoc_macros[tok].fp == in_line_eoln)
1.153 schwarze 528: rew_elem(mdoc, tok);
529: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 530: if (tok == TOKEN_NONE)
1.153 schwarze 531: append_delims(mdoc, line, pos, buf);
1.202 schwarze 532: return 1;
1.153 schwarze 533: }
534: }
535:
536: /*
1.131 schwarze 537: * Close out block partial/full explicit.
1.1 kristaps 538: */
1.151 schwarze 539: static void
1.1 kristaps 540: blk_exp_close(MACRO_PROT_ARGS)
541: {
1.185 schwarze 542: struct roff_node *body; /* Our own body. */
543: struct roff_node *endbody; /* Our own end marker. */
544: struct roff_node *itblk; /* An It block starting later. */
545: struct roff_node *later; /* A sub-block starting later. */
546: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 547: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 548:
1.188 schwarze 549: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 550: enum margserr ac;
1.219 schwarze 551: enum roff_tok atok, ntok;
1.1 kristaps 552: char *p;
553:
1.119 schwarze 554: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 555:
1.1 kristaps 556: switch (tok) {
1.131 schwarze 557: case MDOC_Ec:
1.1 kristaps 558: maxargs = 1;
559: break;
1.131 schwarze 560: case MDOC_Ek:
1.125 schwarze 561: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 562: /* FALLTHROUGH */
1.1 kristaps 563: default:
564: maxargs = 0;
565: break;
566: }
567:
1.209 schwarze 568: /* Search backwards for the beginning of our own body. */
569:
570: atok = rew_alt(tok);
571: body = NULL;
572: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 573: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 574: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
575: continue;
576: body = n;
577: break;
578: }
579:
1.83 schwarze 580: /*
581: * Search backwards for beginnings of blocks,
582: * both of our own and of pending sub-blocks.
583: */
1.151 schwarze 584:
1.209 schwarze 585: endbody = itblk = later = NULL;
1.119 schwarze 586: for (n = mdoc->last; n; n = n->parent) {
1.213 schwarze 587: if (n->flags & NODE_ENDED)
1.83 schwarze 588: continue;
589:
1.209 schwarze 590: /*
1.211 schwarze 591: * Mismatching end macros can never break anything
1.209 schwarze 592: * and we only care about the breaking of BLOCKs.
593: */
1.83 schwarze 594:
1.211 schwarze 595: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 596: continue;
1.160 schwarze 597:
1.211 schwarze 598: /*
599: * SYNOPSIS name blocks can not be broken themselves,
600: * but they do get broken together with a broken child.
601: */
602:
603: if (n->tok == MDOC_Nm) {
604: if (later != NULL)
605: n->flags |= NODE_BROKEN | NODE_ENDED;
606: continue;
607: }
608:
1.160 schwarze 609: if (n->tok == MDOC_It) {
1.171 schwarze 610: itblk = n;
1.160 schwarze 611: continue;
612: }
613:
1.83 schwarze 614: if (atok == n->tok) {
615:
616: /*
617: * Found the start of our own block.
618: * When there is no pending sub block,
619: * just proceed to closing out.
620: */
1.151 schwarze 621:
1.160 schwarze 622: if (later == NULL ||
1.171 schwarze 623: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 624: break;
625:
1.131 schwarze 626: /*
1.167 schwarze 627: * When there is a pending sub block, postpone
628: * closing out the current block until the
629: * rew_pending() closing out the sub-block.
1.83 schwarze 630: * Mark the place where the formatting - but not
631: * the scope - of the current block ends.
632: */
1.151 schwarze 633:
1.183 schwarze 634: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
635: line, ppos, "%s breaks %s",
1.219 schwarze 636: roff_name[atok], roff_name[later->tok]);
1.183 schwarze 637:
1.166 schwarze 638: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 639: atok, body);
1.151 schwarze 640:
1.183 schwarze 641: if (tok == MDOC_El)
1.210 schwarze 642: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 643:
1.151 schwarze 644: /*
645: * If a block closing macro taking arguments
646: * breaks another block, put the arguments
1.166 schwarze 647: * into the end marker.
1.151 schwarze 648: */
649:
1.166 schwarze 650: if (maxargs)
1.189 schwarze 651: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 652: break;
1.182 schwarze 653: }
654:
1.214 schwarze 655: /*
656: * Explicit blocks close out description lines, but
657: * even those can get broken together with a child.
658: */
1.182 schwarze 659:
660: if (n->tok == MDOC_Nd) {
1.214 schwarze 661: if (later != NULL)
662: n->flags |= NODE_BROKEN | NODE_ENDED;
663: else
664: rew_last(mdoc, n);
1.182 schwarze 665: continue;
1.83 schwarze 666: }
667:
1.183 schwarze 668: /* Breaking an open sub block. */
1.151 schwarze 669:
1.213 schwarze 670: break_intermediate(mdoc->last, body);
1.210 schwarze 671: n->flags |= NODE_BROKEN;
1.183 schwarze 672: if (later == NULL)
1.83 schwarze 673: later = n;
674: }
1.166 schwarze 675:
676: if (body == NULL) {
677: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
1.219 schwarze 678: line, ppos, roff_name[tok]);
1.166 schwarze 679: if (maxargs && endbody == NULL) {
680: /*
681: * Stray .Ec without previous .Eo:
682: * Break the output line, keep the arguments.
683: */
1.221 ! schwarze 684: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
! 685: rew_elem(mdoc, ROFF_br);
1.166 schwarze 686: }
687: } else if (endbody == NULL) {
688: rew_last(mdoc, body);
689: if (maxargs)
690: mdoc_tail_alloc(mdoc, line, ppos, atok);
691: }
1.83 schwarze 692:
1.150 schwarze 693: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
694: if (buf[*pos] != '\0')
1.136 schwarze 695: mandoc_vmsg(MANDOCERR_ARG_SKIP,
696: mdoc->parse, line, ppos,
1.219 schwarze 697: "%s %s", roff_name[tok],
1.136 schwarze 698: buf + *pos);
1.171 schwarze 699: if (endbody == NULL && n != NULL)
1.167 schwarze 700: rew_pending(mdoc, n);
1.151 schwarze 701: return;
1.1 kristaps 702: }
703:
1.166 schwarze 704: if (endbody != NULL)
705: n = endbody;
1.197 schwarze 706:
707: ntok = TOKEN_NONE;
1.148 schwarze 708: for (j = 0; ; j++) {
1.1 kristaps 709: lastarg = *pos;
710:
1.186 schwarze 711: if (j == maxargs && n != NULL)
712: rew_last(mdoc, n);
1.1 kristaps 713:
1.119 schwarze 714: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 715: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 716: break;
717:
1.191 schwarze 718: ntok = ac == ARGS_QWORD ? TOKEN_NONE :
1.155 schwarze 719: lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 720:
1.191 schwarze 721: if (ntok == TOKEN_NONE) {
1.150 schwarze 722: dword(mdoc, line, lastarg, p, DELIM_MAX,
723: MDOC_JOIN & mdoc_macros[tok].flags);
1.54 kristaps 724: continue;
725: }
1.1 kristaps 726:
1.186 schwarze 727: if (n != NULL)
728: rew_last(mdoc, n);
1.122 schwarze 729: mdoc->flags &= ~MDOC_NEWLINE;
1.151 schwarze 730: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 731: break;
1.1 kristaps 732: }
733:
1.188 schwarze 734: if (n != NULL) {
1.212 schwarze 735: pending = 0;
1.210 schwarze 736: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 737: target = n;
738: do
739: target = target->parent;
1.210 schwarze 740: while ( ! (target->flags & NODE_ENDED));
1.215 schwarze 741: pending = find_pending(mdoc, ntok, line, ppos, target);
1.212 schwarze 742: }
1.188 schwarze 743: if ( ! pending)
744: rew_pending(mdoc, n);
745: }
1.150 schwarze 746: if (nl)
747: append_delims(mdoc, line, pos, buf);
1.1 kristaps 748: }
749:
1.151 schwarze 750: static void
1.1 kristaps 751: in_line(MACRO_PROT_ARGS)
752: {
1.144 schwarze 753: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.219 schwarze 754: enum roff_tok ntok;
1.55 kristaps 755: enum margserr ac;
1.67 schwarze 756: enum mdelim d;
1.53 kristaps 757: struct mdoc_arg *arg;
758: char *p;
1.1 kristaps 759:
1.119 schwarze 760: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 761:
1.4 kristaps 762: /*
763: * Whether we allow ignored elements (those without content,
764: * usually because of reserved words) to squeak by.
765: */
1.45 kristaps 766:
1.4 kristaps 767: switch (tok) {
1.131 schwarze 768: case MDOC_An:
769: case MDOC_Ar:
770: case MDOC_Fl:
771: case MDOC_Mt:
772: case MDOC_Nm:
773: case MDOC_Pa:
1.4 kristaps 774: nc = 1;
775: break;
776: default:
777: nc = 0;
778: break;
779: }
780:
1.152 schwarze 781: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 782:
1.144 schwarze 783: d = DELIM_NONE;
784: firstarg = 1;
1.142 schwarze 785: mayopen = 1;
1.70 kristaps 786: for (cnt = scope = 0;; ) {
1.1 kristaps 787: la = *pos;
1.119 schwarze 788: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 789:
1.144 schwarze 790: /*
791: * At the end of a macro line,
792: * opening delimiters do not suppress spacing.
793: */
794:
795: if (ac == ARGS_EOLN) {
796: if (d == DELIM_OPEN)
1.210 schwarze 797: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 798: break;
1.144 schwarze 799: }
800:
801: /*
802: * The rest of the macro line is only punctuation,
803: * to be handled by append_delims().
804: * If there were no other arguments,
805: * do not allow the first one to suppress spacing,
806: * even if it turns out to be a closing one.
807: */
808:
809: if (ac == ARGS_PUNCT) {
1.176 schwarze 810: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 811: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 812: break;
1.144 schwarze 813: }
1.1 kristaps 814:
1.145 schwarze 815: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.191 schwarze 816: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 817:
1.131 schwarze 818: /*
1.4 kristaps 819: * In this case, we've located a submacro and must
820: * execute it. Close out scope, if open. If no
821: * elements have been generated, either create one (nc)
822: * or raise a warning.
823: */
1.1 kristaps 824:
1.191 schwarze 825: if (ntok != TOKEN_NONE) {
1.149 schwarze 826: if (scope)
827: rew_elem(mdoc, tok);
1.150 schwarze 828: if (nc && ! cnt) {
829: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 830: rew_last(mdoc, mdoc->last);
1.150 schwarze 831: } else if ( ! nc && ! cnt) {
1.7 kristaps 832: mdoc_argv_free(arg);
1.135 schwarze 833: mandoc_msg(MANDOCERR_MACRO_EMPTY,
834: mdoc->parse, line, ppos,
1.219 schwarze 835: roff_name[tok]);
1.7 kristaps 836: }
1.151 schwarze 837: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.150 schwarze 838: if (nl)
839: append_delims(mdoc, line, pos, buf);
1.151 schwarze 840: return;
1.131 schwarze 841: }
1.1 kristaps 842:
1.131 schwarze 843: /*
1.4 kristaps 844: * Non-quote-enclosed punctuation. Set up our scope, if
845: * a word; rewind the scope, if a delimiter; then append
1.131 schwarze 846: * the word.
1.4 kristaps 847: */
1.1 kristaps 848:
1.150 schwarze 849: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.3 kristaps 850:
1.70 kristaps 851: if (DELIM_NONE != d) {
852: /*
853: * If we encounter closing punctuation, no word
1.144 schwarze 854: * has been emitted, no scope is open, and we're
1.70 kristaps 855: * allowed to have an empty element, then start
1.142 schwarze 856: * a new scope.
1.70 kristaps 857: */
1.142 schwarze 858: if ((d == DELIM_CLOSE ||
859: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 860: !cnt && !scope && nc && mayopen) {
1.150 schwarze 861: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 862: scope = 1;
1.142 schwarze 863: cnt++;
1.150 schwarze 864: if (tok == MDOC_Nm)
1.142 schwarze 865: mayopen = 0;
1.70 kristaps 866: }
867: /*
868: * Close out our scope, if one is open, before
869: * any punctuation.
870: */
1.149 schwarze 871: if (scope)
872: rew_elem(mdoc, tok);
1.70 kristaps 873: scope = 0;
1.145 schwarze 874: if (tok == MDOC_Fn)
875: mayopen = 0;
1.142 schwarze 876: } else if (mayopen && !scope) {
1.150 schwarze 877: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 878: scope = 1;
1.142 schwarze 879: cnt++;
1.1 kristaps 880: }
1.105 kristaps 881:
1.150 schwarze 882: dword(mdoc, line, la, p, d,
1.219 schwarze 883: mdoc_macros[tok].flags & MDOC_JOIN);
1.39 kristaps 884:
885: /*
1.144 schwarze 886: * If the first argument is a closing delimiter,
887: * do not suppress spacing before it.
888: */
889:
890: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 891: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 892: firstarg = 0;
893:
894: /*
1.39 kristaps 895: * `Fl' macros have their scope re-opened with each new
896: * word so that the `-' can be added to each one without
897: * having to parse out spaces.
898: */
1.150 schwarze 899: if (scope && tok == MDOC_Fl) {
1.149 schwarze 900: rew_elem(mdoc, tok);
1.70 kristaps 901: scope = 0;
1.39 kristaps 902: }
1.1 kristaps 903: }
904:
1.218 schwarze 905: if (scope && tok != MDOC_Lk) {
1.149 schwarze 906: rew_elem(mdoc, tok);
1.218 schwarze 907: scope = 0;
908: }
1.4 kristaps 909:
910: /*
911: * If no elements have been collected and we're allowed to have
912: * empties (nc), open a scope and close it out. Otherwise,
913: * raise a warning.
914: */
1.45 kristaps 915:
1.150 schwarze 916: if ( ! cnt) {
917: if (nc) {
918: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
919: rew_last(mdoc, mdoc->last);
920: } else {
921: mdoc_argv_free(arg);
922: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 923: line, ppos, roff_name[tok]);
1.150 schwarze 924: }
1.7 kristaps 925: }
1.150 schwarze 926: if (nl)
927: append_delims(mdoc, line, pos, buf);
1.218 schwarze 928: if (scope)
929: rew_elem(mdoc, tok);
1.1 kristaps 930: }
931:
1.151 schwarze 932: static void
1.1 kristaps 933: blk_full(MACRO_PROT_ARGS)
934: {
1.153 schwarze 935: int la, nl, parsed;
1.1 kristaps 936: struct mdoc_arg *arg;
1.185 schwarze 937: struct roff_node *blk; /* Our own or a broken block. */
938: struct roff_node *head; /* Our own head. */
939: struct roff_node *body; /* Our own body. */
940: struct roff_node *n;
1.59 kristaps 941: enum margserr ac, lac;
1.1 kristaps 942: char *p;
943:
1.119 schwarze 944: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 945:
1.177 schwarze 946: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
947: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 948: line, ppos, roff_name[tok]);
1.177 schwarze 949: return;
950: }
951:
1.171 schwarze 952: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
953:
954: /* Here, tok is one of Sh Ss Nm Nd It. */
955:
956: blk = NULL;
957: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 958: if (n->flags & NODE_ENDED) {
959: if ( ! (n->flags & NODE_VALID))
960: n->flags |= NODE_BROKEN;
1.183 schwarze 961: continue;
962: }
1.184 schwarze 963: if (n->type != ROFFT_BLOCK)
1.171 schwarze 964: continue;
1.183 schwarze 965:
1.171 schwarze 966: if (tok == MDOC_It && n->tok == MDOC_Bl) {
967: if (blk != NULL) {
968: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
969: mdoc->parse, line, ppos,
970: "It breaks %s",
1.219 schwarze 971: roff_name[blk->tok]);
1.171 schwarze 972: rew_pending(mdoc, blk);
973: }
974: break;
975: }
976:
977: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
978: switch (tok) {
979: case MDOC_Sh:
980: case MDOC_Ss:
981: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
982: mdoc->parse, line, ppos,
1.219 schwarze 983: "%s breaks %s", roff_name[tok],
984: roff_name[n->tok]);
1.171 schwarze 985: rew_pending(mdoc, n);
1.180 schwarze 986: n = mdoc->last;
1.171 schwarze 987: continue;
988: case MDOC_It:
989: /* Delay in case it's astray. */
990: blk = n;
991: continue;
992: default:
993: break;
994: }
995: break;
996: }
997:
998: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 999:
1.171 schwarze 1000: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1001: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1002: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 1003: break;
1.171 schwarze 1004:
1005: /* Item breaking an explicit block. */
1006:
1007: if (blk != NULL) {
1008: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
1009: mdoc->parse, line, ppos,
1.219 schwarze 1010: "It breaks %s", roff_name[blk->tok]);
1.171 schwarze 1011: rew_pending(mdoc, blk);
1.172 schwarze 1012: blk = NULL;
1.171 schwarze 1013: }
1014:
1015: /* Close out prior implicit scopes. */
1016:
1.211 schwarze 1017: rew_pending(mdoc, n);
1.171 schwarze 1018: }
1019:
1020: /* Skip items outside lists. */
1021:
1022: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.138 schwarze 1023: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1024: line, ppos, "It %s", buf + *pos);
1.221 ! schwarze 1025: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
! 1026: rew_elem(mdoc, ROFF_br);
1.151 schwarze 1027: return;
1.138 schwarze 1028: }
1.1 kristaps 1029: }
1030:
1.45 kristaps 1031: /*
1.109 kristaps 1032: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1033: * macro openings. Implicit ones first close out prior scope
1034: * (seen above). Delay opening the head until necessary to
1035: * allow leading punctuation to print. Special consideration
1036: * for `It -column', which has phrase-part syntax instead of
1037: * regular child nodes.
1038: */
1039:
1.152 schwarze 1040: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1041: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1042: head = body = NULL;
1.115 schwarze 1043:
1044: /*
1045: * Exception: Heads of `It' macros in `-diag' lists are not
1046: * parsed, even though `It' macros in general are parsed.
1047: */
1.151 schwarze 1048:
1.153 schwarze 1049: parsed = tok != MDOC_It ||
1050: mdoc->last->parent->tok != MDOC_Bl ||
1051: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1052:
1.45 kristaps 1053: /*
1054: * The `Nd' macro has all arguments in its body: it's a hybrid
1055: * of block partial-explicit and full-implicit. Stupid.
1056: */
1.19 kristaps 1057:
1.150 schwarze 1058: if (tok == MDOC_Nd) {
1.190 schwarze 1059: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1060: rew_last(mdoc, head);
1.190 schwarze 1061: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1062: }
1063:
1.150 schwarze 1064: if (tok == MDOC_Bk)
1.123 schwarze 1065: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1066:
1.205 schwarze 1067: ac = ARGS_EOLN;
1.150 schwarze 1068: for (;;) {
1.205 schwarze 1069:
1070: /*
1071: * If we are right after a tab character,
1072: * do not parse the first word for macros.
1073: */
1074:
1075: if (mdoc->flags & MDOC_PHRASEQN) {
1076: mdoc->flags &= ~MDOC_PHRASEQN;
1077: mdoc->flags |= MDOC_PHRASEQF;
1078: }
1079:
1.45 kristaps 1080: la = *pos;
1.150 schwarze 1081: lac = ac;
1.119 schwarze 1082: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1083: if (ac == ARGS_EOLN) {
1.205 schwarze 1084: if (lac != ARGS_PHRASE ||
1085: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1086: break;
1.205 schwarze 1087:
1.75 kristaps 1088: /*
1.205 schwarze 1089: * This line ends in a tab; start the next
1090: * column now, with a leading blank.
1.75 kristaps 1091: */
1.205 schwarze 1092:
1.167 schwarze 1093: if (body != NULL)
1094: rew_last(mdoc, body);
1.190 schwarze 1095: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1096: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1097: break;
1.75 kristaps 1098: }
1.205 schwarze 1099:
1.174 schwarze 1100: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1101: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1102: mdoc->parse, line, la, "%s ... %s",
1.219 schwarze 1103: roff_name[tok], buf + la);
1.174 schwarze 1104: break;
1105: }
1.173 schwarze 1106: if (tok == MDOC_Rs) {
1107: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1108: line, la, "Rs %s", buf + la);
1109: break;
1110: }
1111: if (ac == ARGS_PUNCT)
1112: break;
1.45 kristaps 1113:
1.131 schwarze 1114: /*
1.73 kristaps 1115: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1116: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1117: */
1.45 kristaps 1118:
1.150 schwarze 1119: if (head == NULL &&
1120: ac != ARGS_PHRASE &&
1121: ac != ARGS_QWORD &&
1122: mdoc_isdelim(p) == DELIM_OPEN) {
1123: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1124: continue;
1125: }
1126:
1.74 kristaps 1127: /* Open a head if one hasn't been opened. */
1.45 kristaps 1128:
1.150 schwarze 1129: if (head == NULL)
1.190 schwarze 1130: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1131:
1.205 schwarze 1132: if (ac == ARGS_PHRASE) {
1.151 schwarze 1133:
1.73 kristaps 1134: /*
1.74 kristaps 1135: * If we haven't opened a body yet, rewind the
1136: * head; if we have, rewind that instead.
1137: */
1138:
1.167 schwarze 1139: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1140: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1141:
1.205 schwarze 1142: /* Process to the tab or to the end of the line. */
1.74 kristaps 1143:
1.205 schwarze 1144: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1145: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1146: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1147:
1148: /* There may have been `Ta' macros. */
1149:
1150: while (body->next != NULL)
1151: body = body->next;
1.1 kristaps 1152: continue;
1153: }
1154:
1.153 schwarze 1155: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1156: break;
1.45 kristaps 1157: }
1.1 kristaps 1158:
1.210 schwarze 1159: if (blk->flags & NODE_VALID)
1.165 schwarze 1160: return;
1.150 schwarze 1161: if (head == NULL)
1.190 schwarze 1162: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1163: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1164: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1165: if (body != NULL)
1.77 kristaps 1166: goto out;
1.187 schwarze 1167: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1168: return;
1.47 kristaps 1169:
1.45 kristaps 1170: /* Close out scopes to remain in a consistent state. */
1171:
1.167 schwarze 1172: rew_last(mdoc, head);
1.190 schwarze 1173: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1174: out:
1.150 schwarze 1175: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1176: rew_last(mdoc, body);
1177: rew_last(mdoc, blk);
1.150 schwarze 1178: mdoc->flags &= ~MDOC_FREECOL;
1179: }
1.1 kristaps 1180: }
1181:
1.151 schwarze 1182: static void
1.1 kristaps 1183: blk_part_imp(MACRO_PROT_ARGS)
1184: {
1.63 kristaps 1185: int la, nl;
1.55 kristaps 1186: enum margserr ac;
1.1 kristaps 1187: char *p;
1.185 schwarze 1188: struct roff_node *blk; /* saved block context */
1189: struct roff_node *body; /* saved body context */
1190: struct roff_node *n;
1.1 kristaps 1191:
1.119 schwarze 1192: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1193:
1.43 kristaps 1194: /*
1195: * A macro that spans to the end of the line. This is generally
1196: * (but not necessarily) called as the first macro. The block
1197: * has a head as the immediate child, which is always empty,
1198: * followed by zero or more opening punctuation nodes, then the
1199: * body (which may be empty, depending on the macro), then zero
1200: * or more closing punctuation nodes.
1201: */
1.32 kristaps 1202:
1.150 schwarze 1203: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1204: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1205:
1.43 kristaps 1206: /*
1207: * Open the body scope "on-demand", that is, after we've
1208: * processed all our the leading delimiters (open parenthesis,
1209: * etc.).
1210: */
1.1 kristaps 1211:
1.43 kristaps 1212: for (body = NULL; ; ) {
1.32 kristaps 1213: la = *pos;
1.119 schwarze 1214: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1215: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1216: break;
1217:
1.150 schwarze 1218: if (body == NULL && ac != ARGS_QWORD &&
1219: mdoc_isdelim(p) == DELIM_OPEN) {
1220: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1221: continue;
1.123 schwarze 1222: }
1.1 kristaps 1223:
1.150 schwarze 1224: if (body == NULL)
1.190 schwarze 1225: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1226:
1.153 schwarze 1227: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1228: break;
1.1 kristaps 1229: }
1.150 schwarze 1230: if (body == NULL)
1.190 schwarze 1231: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1232:
1.187 schwarze 1233: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1234: return;
1235:
1.164 schwarze 1236: rew_last(mdoc, body);
1.150 schwarze 1237: if (nl)
1238: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1239: rew_pending(mdoc, blk);
1.117 schwarze 1240:
1241: /* Move trailing .Ns out of scope. */
1242:
1243: for (n = body->child; n && n->next; n = n->next)
1244: /* Do nothing. */ ;
1.150 schwarze 1245: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1246: mdoc_node_relink(mdoc, n);
1.1 kristaps 1247: }
1248:
1.151 schwarze 1249: static void
1.1 kristaps 1250: blk_part_exp(MACRO_PROT_ARGS)
1251: {
1.60 kristaps 1252: int la, nl;
1.55 kristaps 1253: enum margserr ac;
1.185 schwarze 1254: struct roff_node *head; /* keep track of head */
1.1 kristaps 1255: char *p;
1256:
1.119 schwarze 1257: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1258:
1.43 kristaps 1259: /*
1260: * The opening of an explicit macro having zero or more leading
1261: * punctuation nodes; a head with optional single element (the
1262: * case of `Eo'); and a body that may be empty.
1263: */
1.32 kristaps 1264:
1.193 schwarze 1265: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1266: head = NULL;
1267: for (;;) {
1.32 kristaps 1268: la = *pos;
1.119 schwarze 1269: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1270: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1271: break;
1.43 kristaps 1272:
1273: /* Flush out leading punctuation. */
1274:
1.150 schwarze 1275: if (head == NULL && ac != ARGS_QWORD &&
1276: mdoc_isdelim(p) == DELIM_OPEN) {
1277: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1278: continue;
1.123 schwarze 1279: }
1.43 kristaps 1280:
1.150 schwarze 1281: if (head == NULL) {
1.190 schwarze 1282: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1283: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1284: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1285: rew_last(mdoc, head);
1.190 schwarze 1286: roff_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1287: if (tok == MDOC_Eo)
1.43 kristaps 1288: continue;
1.1 kristaps 1289: }
1.43 kristaps 1290:
1.153 schwarze 1291: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1292: break;
1.1 kristaps 1293: }
1294:
1.43 kristaps 1295: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1296:
1.163 schwarze 1297: if (head == NULL) {
1.190 schwarze 1298: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1299: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1300: }
1.150 schwarze 1301: if (nl)
1302: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1303: }
1304:
1.151 schwarze 1305: static void
1.1 kristaps 1306: in_line_argn(MACRO_PROT_ARGS)
1307: {
1.53 kristaps 1308: struct mdoc_arg *arg;
1309: char *p;
1.181 schwarze 1310: enum margserr ac;
1.219 schwarze 1311: enum roff_tok ntok;
1.181 schwarze 1312: int state; /* arg#; -1: not yet open; -2: closed */
1313: int la, maxargs, nl;
1.1 kristaps 1314:
1.156 schwarze 1315: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1316:
1.46 kristaps 1317: /*
1318: * A line macro that has a fixed number of arguments (maxargs).
1319: * Only open the scope once the first non-leading-punctuation is
1320: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1321: * keep it open until the maximum number of arguments are
1322: * exhausted.
1323: */
1.1 kristaps 1324:
1325: switch (tok) {
1.131 schwarze 1326: case MDOC_Ap:
1327: case MDOC_Ns:
1328: case MDOC_Ux:
1.1 kristaps 1329: maxargs = 0;
1330: break;
1.131 schwarze 1331: case MDOC_Bx:
1.132 schwarze 1332: case MDOC_Es:
1.131 schwarze 1333: case MDOC_Xr:
1.42 kristaps 1334: maxargs = 2;
1335: break;
1.1 kristaps 1336: default:
1337: maxargs = 1;
1338: break;
1339: }
1340:
1.152 schwarze 1341: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1342:
1.181 schwarze 1343: state = -1;
1.156 schwarze 1344: p = NULL;
1345: for (;;) {
1.32 kristaps 1346: la = *pos;
1.119 schwarze 1347: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1348:
1349: if (ac == ARGS_WORD && state == -1 &&
1350: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1351: mdoc_isdelim(p) == DELIM_OPEN) {
1352: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1353: continue;
1354: }
1355:
1356: if (state == -1 && tok != MDOC_In &&
1357: tok != MDOC_St && tok != MDOC_Xr) {
1358: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1359: state = 0;
1360: }
1361:
1.156 schwarze 1362: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1363: if (abs(state) < 2 && tok == MDOC_Pf)
1.156 schwarze 1364: mandoc_vmsg(MANDOCERR_PF_SKIP,
1365: mdoc->parse, line, ppos, "Pf %s",
1366: p == NULL ? "at eol" : p);
1.1 kristaps 1367: break;
1.156 schwarze 1368: }
1.1 kristaps 1369:
1.181 schwarze 1370: if (state == maxargs) {
1.149 schwarze 1371: rew_elem(mdoc, tok);
1.181 schwarze 1372: state = -2;
1.46 kristaps 1373: }
1374:
1.181 schwarze 1375: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
1.191 schwarze 1376: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1377:
1.191 schwarze 1378: if (ntok != TOKEN_NONE) {
1.181 schwarze 1379: if (state >= 0) {
1.149 schwarze 1380: rew_elem(mdoc, tok);
1.181 schwarze 1381: state = -2;
1382: }
1.151 schwarze 1383: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1384: break;
1385: }
1386:
1.181 schwarze 1387: if (ac == ARGS_QWORD ||
1388: mdoc_macros[tok].flags & MDOC_IGNDELIM ||
1389: mdoc_isdelim(p) == DELIM_NONE) {
1390: if (state == -1) {
1391: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1392: state = 1;
1393: } else if (state >= 0)
1394: state++;
1395: } else if (state >= 0) {
1.149 schwarze 1396: rew_elem(mdoc, tok);
1.181 schwarze 1397: state = -2;
1.1 kristaps 1398: }
1.42 kristaps 1399:
1.150 schwarze 1400: dword(mdoc, line, la, p, DELIM_MAX,
1.219 schwarze 1401: mdoc_macros[tok].flags & MDOC_JOIN);
1.1 kristaps 1402: }
1403:
1.181 schwarze 1404: if (state == -1) {
1405: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 1406: line, ppos, roff_name[tok]);
1.181 schwarze 1407: return;
1.156 schwarze 1408: }
1.181 schwarze 1409:
1410: if (state == 0 && tok == MDOC_Pf)
1411: append_delims(mdoc, line, pos, buf);
1412: if (state >= 0)
1.149 schwarze 1413: rew_elem(mdoc, tok);
1.150 schwarze 1414: if (nl)
1415: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1416: }
1417:
1.151 schwarze 1418: static void
1.1 kristaps 1419: in_line_eoln(MACRO_PROT_ARGS)
1420: {
1.185 schwarze 1421: struct roff_node *n;
1.170 schwarze 1422: struct mdoc_arg *arg;
1.1 kristaps 1423:
1.170 schwarze 1424: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1425: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1426: n = mdoc->last;
1.189 schwarze 1427: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1428: n = n->parent;
1429: if (n->tok == MDOC_Nm)
1.198 schwarze 1430: rew_last(mdoc, n->parent);
1.178 schwarze 1431: }
1432:
1.179 schwarze 1433: if (buf[*pos] == '\0' &&
1.219 schwarze 1434: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.178 schwarze 1435: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 1436: line, ppos, roff_name[tok]);
1.178 schwarze 1437: return;
1.170 schwarze 1438: }
1.90 schwarze 1439:
1.152 schwarze 1440: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1441: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1442: if (parse_rest(mdoc, tok, line, pos, buf))
1443: return;
1444: rew_elem(mdoc, tok);
1445: }
1446:
1447: /*
1448: * The simplest argument parser available: Parse the remaining
1449: * words until the end of the phrase or line and return 0
1450: * or until the next macro, call that macro, and return 1.
1451: */
1452: static int
1.219 schwarze 1453: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1454: int line, int *pos, char *buf)
1.154 schwarze 1455: {
1456: int la;
1.1 kristaps 1457:
1458: for (;;) {
1459: la = *pos;
1.153 schwarze 1460: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.202 schwarze 1461: return 0;
1.153 schwarze 1462: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.202 schwarze 1463: return 1;
1.1 kristaps 1464: }
1465: }
1466:
1.151 schwarze 1467: static void
1.41 kristaps 1468: ctx_synopsis(MACRO_PROT_ARGS)
1469: {
1.60 kristaps 1470:
1.151 schwarze 1471: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1472: in_line(mdoc, tok, line, ppos, pos, buf);
1473: else if (tok == MDOC_Nm)
1474: blk_full(mdoc, tok, line, ppos, pos, buf);
1475: else {
1476: assert(tok == MDOC_Vt);
1477: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1478: }
1.1 kristaps 1479: }
1480:
1.24 kristaps 1481: /*
1482: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1483: * They're unusual because they're basically free-form text until a
1484: * macro is encountered.
1485: */
1.151 schwarze 1486: static void
1.75 kristaps 1487: phrase_ta(MACRO_PROT_ARGS)
1488: {
1.185 schwarze 1489: struct roff_node *body, *n;
1.75 kristaps 1490:
1.121 schwarze 1491: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1492:
1.167 schwarze 1493: body = NULL;
1494: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1495: if (n->flags & NODE_ENDED)
1.167 schwarze 1496: continue;
1.184 schwarze 1497: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1498: body = n;
1.208 schwarze 1499: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1500: break;
1501: }
1502:
1.151 schwarze 1503: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1504: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1505: line, ppos, "Ta");
1.151 schwarze 1506: return;
1.121 schwarze 1507: }
1.75 kristaps 1508:
1.121 schwarze 1509: /* Advance to the next column. */
1.150 schwarze 1510:
1.167 schwarze 1511: rew_last(mdoc, body);
1.190 schwarze 1512: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1513: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1514: }
CVSweb
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to mdoc_macro.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [cvsweb.bsd.lv] / mandoc