Annotation of mandoc/mdoc_macro.c, Revision 1.225
1.225 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.224 2017/05/30 16:22:03 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.225 ! schwarze 4: * Copyright (c) 2010, 2012-2018 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:
1.225 ! schwarze 63: static 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 */
1.224 schwarze 79: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
80: MDOC_IGNDELIM | MDOC_JOIN }, /* Ap */
1.1 kristaps 81: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.129 schwarze 82: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.123 schwarze 84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
85: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 87: { in_line_eoln, 0 }, /* Ex */
1.123 schwarze 88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
89: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 90: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.123 schwarze 91: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
92: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.128 schwarze 93: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.18 kristaps 94: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.123 schwarze 95: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
96: { blk_full, MDOC_JOIN }, /* Nd */
97: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 98: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.132 schwarze 99: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 100: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
101: { in_line_eoln, 0 }, /* Rv */
1.123 schwarze 102: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 103: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.123 schwarze 104: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.42 kristaps 105: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.123 schwarze 106: { in_line_eoln, MDOC_JOIN }, /* %A */
107: { in_line_eoln, MDOC_JOIN }, /* %B */
108: { in_line_eoln, MDOC_JOIN }, /* %D */
109: { in_line_eoln, MDOC_JOIN }, /* %I */
110: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 111: { in_line_eoln, 0 }, /* %N */
1.123 schwarze 112: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 113: { in_line_eoln, 0 }, /* %P */
1.123 schwarze 114: { in_line_eoln, MDOC_JOIN }, /* %R */
115: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 116: { in_line_eoln, 0 }, /* %V */
1.123 schwarze 117: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
118: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
119: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
120: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
121: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 122: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.123 schwarze 123: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
124: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
125: { blk_full, MDOC_EXPLICIT }, /* Bf */
126: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
127: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
128: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 129: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
130: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
131: { in_line_eoln, 0 }, /* Db */
1.123 schwarze 132: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
133: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
134: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
135: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
136: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
137: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
138: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
139: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 140: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
141: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.11 kristaps 142: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.144 schwarze 143: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.123 schwarze 144: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
145: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 146: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
147: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.123 schwarze 148: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
149: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.52 kristaps 150: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.123 schwarze 151: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
152: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
153: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
154: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
155: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
156: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
157: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
158: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
159: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
160: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 161: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.123 schwarze 162: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
163: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
164: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
165: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
166: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.147 schwarze 167: { in_line_argn, 0 }, /* Sm */
1.123 schwarze 168: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
169: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 170: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.123 schwarze 171: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 172: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
173: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.123 schwarze 174: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
175: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
176: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
177: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
178: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
179: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
180: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 181: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.123 schwarze 182: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 183: { in_line_eoln, 0 }, /* Bt */
184: { in_line_eoln, 0 }, /* Hf */
1.132 schwarze 185: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 186: { in_line_eoln, 0 }, /* Ud */
1.69 kristaps 187: { in_line, 0 }, /* Lb */
1.123 schwarze 188: { in_line_eoln, 0 }, /* Lp */
189: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
190: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
191: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
192: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
193: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
194: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
195: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
196: { in_line_eoln, MDOC_JOIN }, /* %C */
1.132 schwarze 197: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
198: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 199: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.123 schwarze 200: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.37 kristaps 201: { in_line_eoln, 0 }, /* %U */
1.123 schwarze 202: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.1 kristaps 203: };
204:
205:
1.225 ! schwarze 206: const struct mdoc_macro *
! 207: mdoc_macro(enum roff_tok tok)
! 208: {
! 209: assert(tok >= MDOC_Dd && tok < MDOC_MAX);
! 210: return mdoc_macros + (tok - MDOC_Dd);
! 211: }
! 212:
1.1 kristaps 213: /*
214: * This is called at the end of parsing. It must traverse up the tree,
215: * closing out open [implicit] scopes. Obviously, open explicit scopes
216: * are errors.
217: */
1.151 schwarze 218: void
1.195 schwarze 219: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 220: {
1.185 schwarze 221: struct roff_node *n;
1.1 kristaps 222:
223: /* Scan for open explicit scopes. */
224:
1.210 schwarze 225: n = mdoc->last->flags & NODE_VALID ?
1.131 schwarze 226: mdoc->last->parent : mdoc->last;
1.1 kristaps 227:
1.94 schwarze 228: for ( ; n; n = n->parent)
1.184 schwarze 229: if (n->type == ROFFT_BLOCK &&
1.225 ! schwarze 230: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT)
1.137 schwarze 231: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
1.219 schwarze 232: n->line, n->pos, roff_name[n->tok]);
1.1 kristaps 233:
1.32 kristaps 234: /* Rewind to the first. */
235:
1.149 schwarze 236: rew_last(mdoc, mdoc->first);
1.206 schwarze 237: mdoc_state_reset(mdoc);
1.1 kristaps 238: }
239:
1.32 kristaps 240: /*
1.153 schwarze 241: * Look up the macro at *p called by "from",
1.191 schwarze 242: * or as a line macro if from == TOKEN_NONE.
1.32 kristaps 243: */
1.185 schwarze 244: static int
1.189 schwarze 245: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.28 kristaps 246: {
1.219 schwarze 247: enum roff_tok res;
1.1 kristaps 248:
1.205 schwarze 249: if (mdoc->flags & MDOC_PHRASEQF) {
250: mdoc->flags &= ~MDOC_PHRASEQF;
251: return TOKEN_NONE;
252: }
1.225 ! schwarze 253: if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) {
1.220 schwarze 254: res = roffhash_find(mdoc->mdocmac, p, 0);
1.191 schwarze 255: if (res != TOKEN_NONE) {
1.225 ! schwarze 256: if (mdoc_macro(res)->flags & MDOC_CALLABLE)
1.202 schwarze 257: return res;
1.223 schwarze 258: mandoc_msg(MANDOCERR_MACRO_CALL,
259: mdoc->parse, line, ppos, p);
1.155 schwarze 260: }
1.153 schwarze 261: }
1.202 schwarze 262: return TOKEN_NONE;
1.1 kristaps 263: }
264:
1.166 schwarze 265: /*
266: * Rewind up to and including a specific node.
267: */
1.149 schwarze 268: static void
1.189 schwarze 269: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 270: {
271:
1.210 schwarze 272: if (to->flags & NODE_VALID)
1.186 schwarze 273: return;
274:
1.1 kristaps 275: while (mdoc->last != to) {
1.206 schwarze 276: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 277: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.206 schwarze 278: mdoc->last = mdoc->last->parent;
1.1 kristaps 279: }
1.206 schwarze 280: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 281: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.200 schwarze 282: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 283: }
284:
1.32 kristaps 285: /*
1.166 schwarze 286: * Rewind up to a specific block, including all blocks that broke it.
287: */
288: static void
1.189 schwarze 289: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.166 schwarze 290: {
291:
1.183 schwarze 292: for (;;) {
293: rew_last(mdoc, n);
294:
1.194 schwarze 295: if (mdoc->last == n) {
296: switch (n->type) {
297: case ROFFT_HEAD:
298: roff_body_alloc(mdoc, n->line, n->pos,
299: n->tok);
1.207 schwarze 300: break;
1.194 schwarze 301: case ROFFT_BLOCK:
302: break;
303: default:
304: return;
305: }
1.210 schwarze 306: if ( ! (n->flags & NODE_BROKEN))
1.194 schwarze 307: return;
308: } else
309: n = mdoc->last;
1.166 schwarze 310:
1.183 schwarze 311: for (;;) {
312: if ((n = n->parent) == NULL)
313: return;
314:
1.184 schwarze 315: if (n->type == ROFFT_BLOCK ||
316: n->type == ROFFT_HEAD) {
1.210 schwarze 317: if (n->flags & NODE_ENDED)
1.183 schwarze 318: break;
319: else
320: return;
321: }
322: }
1.166 schwarze 323: }
324: }
325:
326: /*
1.84 schwarze 327: * For a block closing macro, return the corresponding opening one.
328: * Otherwise, return the macro itself.
1.32 kristaps 329: */
1.219 schwarze 330: static enum roff_tok
331: rew_alt(enum roff_tok tok)
1.1 kristaps 332: {
333: switch (tok) {
1.131 schwarze 334: case MDOC_Ac:
1.202 schwarze 335: return MDOC_Ao;
1.131 schwarze 336: case MDOC_Bc:
1.202 schwarze 337: return MDOC_Bo;
1.131 schwarze 338: case MDOC_Brc:
1.202 schwarze 339: return MDOC_Bro;
1.131 schwarze 340: case MDOC_Dc:
1.202 schwarze 341: return MDOC_Do;
1.131 schwarze 342: case MDOC_Ec:
1.202 schwarze 343: return MDOC_Eo;
1.131 schwarze 344: case MDOC_Ed:
1.202 schwarze 345: return MDOC_Bd;
1.131 schwarze 346: case MDOC_Ef:
1.202 schwarze 347: return MDOC_Bf;
1.131 schwarze 348: case MDOC_Ek:
1.202 schwarze 349: return MDOC_Bk;
1.131 schwarze 350: case MDOC_El:
1.202 schwarze 351: return MDOC_Bl;
1.131 schwarze 352: case MDOC_Fc:
1.202 schwarze 353: return MDOC_Fo;
1.131 schwarze 354: case MDOC_Oc:
1.202 schwarze 355: return MDOC_Oo;
1.131 schwarze 356: case MDOC_Pc:
1.202 schwarze 357: return MDOC_Po;
1.131 schwarze 358: case MDOC_Qc:
1.202 schwarze 359: return MDOC_Qo;
1.131 schwarze 360: case MDOC_Re:
1.202 schwarze 361: return MDOC_Rs;
1.131 schwarze 362: case MDOC_Sc:
1.202 schwarze 363: return MDOC_So;
1.131 schwarze 364: case MDOC_Xc:
1.202 schwarze 365: return MDOC_Xo;
1.1 kristaps 366: default:
1.202 schwarze 367: return tok;
1.1 kristaps 368: }
369: }
370:
1.149 schwarze 371: static void
1.219 schwarze 372: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 373: {
1.185 schwarze 374: struct roff_node *n;
1.1 kristaps 375:
376: n = mdoc->last;
1.184 schwarze 377: if (n->type != ROFFT_ELEM)
1.1 kristaps 378: n = n->parent;
1.184 schwarze 379: assert(n->type == ROFFT_ELEM);
1.1 kristaps 380: assert(tok == n->tok);
1.149 schwarze 381: rew_last(mdoc, n);
1.1 kristaps 382: }
383:
1.213 schwarze 384: static void
385: break_intermediate(struct roff_node *n, struct roff_node *breaker)
386: {
1.217 schwarze 387: if (n != breaker &&
388: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
389: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
390: n = n->parent;
1.213 schwarze 391: while (n != breaker) {
392: if ( ! (n->flags & NODE_VALID))
393: n->flags |= NODE_BROKEN;
394: n = n->parent;
395: }
396: }
397:
1.83 schwarze 398: /*
1.187 schwarze 399: * If there is an open sub-block of the target requiring
400: * explicit close-out, postpone closing out the target until
401: * the rew_pending() call closing out the sub-block.
402: */
403: static int
1.219 schwarze 404: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.187 schwarze 405: struct roff_node *target)
406: {
407: struct roff_node *n;
408: int irc;
409:
1.215 schwarze 410: if (target->flags & NODE_VALID)
411: return 0;
412:
1.187 schwarze 413: irc = 0;
414: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.213 schwarze 415: if (n->flags & NODE_ENDED)
1.187 schwarze 416: continue;
417: if (n->type == ROFFT_BLOCK &&
1.225 ! schwarze 418: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.187 schwarze 419: irc = 1;
1.217 schwarze 420: break_intermediate(mdoc->last, target);
1.187 schwarze 421: if (target->type == ROFFT_HEAD)
1.212 schwarze 422: target->flags |= NODE_ENDED;
1.210 schwarze 423: else if ( ! (target->flags & NODE_ENDED)) {
1.187 schwarze 424: mandoc_vmsg(MANDOCERR_BLK_NEST,
425: mdoc->parse, line, ppos,
1.219 schwarze 426: "%s breaks %s", roff_name[tok],
427: roff_name[n->tok]);
1.187 schwarze 428: mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 429: tok, target);
1.187 schwarze 430: }
431: }
432: }
1.202 schwarze 433: return irc;
1.187 schwarze 434: }
435:
436: /*
1.105 kristaps 437: * Allocate a word and check whether it's punctuation or not.
438: * Punctuation consists of those tokens found in mdoc_isdelim().
439: */
1.150 schwarze 440: static void
1.189 schwarze 441: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 442: enum mdelim d, int may_append)
1.105 kristaps 443: {
1.131 schwarze 444:
1.150 schwarze 445: if (d == DELIM_MAX)
1.105 kristaps 446: d = mdoc_isdelim(p);
447:
1.123 schwarze 448: if (may_append &&
1.150 schwarze 449: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 450: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 451: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 452: roff_word_append(mdoc, p);
1.150 schwarze 453: return;
1.123 schwarze 454: }
455:
1.192 schwarze 456: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 457:
1.108 schwarze 458: /*
1.144 schwarze 459: * If the word consists of a bare delimiter,
460: * flag the new node accordingly,
461: * unless doing so was vetoed by the invoking macro.
462: * Always clear the veto, it is only valid for one word.
1.108 schwarze 463: */
464:
1.144 schwarze 465: if (d == DELIM_OPEN)
1.210 schwarze 466: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 467: else if (d == DELIM_CLOSE &&
468: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 469: mdoc->last->parent->tok != MDOC_Fd)
1.210 schwarze 470: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 471: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 472: }
1.1 kristaps 473:
1.150 schwarze 474: static void
1.189 schwarze 475: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 476: {
1.153 schwarze 477: char *p;
1.66 kristaps 478: int la;
1.1 kristaps 479:
1.150 schwarze 480: if (buf[*pos] == '\0')
481: return;
1.1 kristaps 482:
483: for (;;) {
1.66 kristaps 484: la = *pos;
1.191 schwarze 485: if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
486: ARGS_EOLN)
1.1 kristaps 487: break;
1.123 schwarze 488: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 489:
490: /*
491: * If we encounter end-of-sentence symbols, then trigger
492: * the double-space.
493: *
1.109 kristaps 494: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 495: * the last symbol, such that `. )' will cause the
496: * correct double-spacing. However, (1) groff isn't
497: * smart enough to do this and (2) it would require
498: * knowing which symbols break this behaviour, for
1.109 kristaps 499: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 500: */
1.150 schwarze 501:
1.127 schwarze 502: if (mandoc_eos(p, strlen(p)))
1.210 schwarze 503: mdoc->last->flags |= NODE_EOS;
1.1 kristaps 504: }
505: }
506:
507: /*
1.153 schwarze 508: * Parse one word.
509: * If it is a macro, call it and return 1.
510: * Otherwise, allocate it and return 0.
511: */
512: static int
513: macro_or_word(MACRO_PROT_ARGS, int parsed)
514: {
515: char *p;
1.185 schwarze 516: int ntok;
1.153 schwarze 517:
518: p = buf + ppos;
1.191 schwarze 519: ntok = TOKEN_NONE;
1.157 schwarze 520: if (*p == '"')
1.153 schwarze 521: p++;
1.157 schwarze 522: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.155 schwarze 523: ntok = lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 524:
1.191 schwarze 525: if (ntok == TOKEN_NONE) {
526: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.225 ! schwarze 527: mdoc_macro(tok)->flags & MDOC_JOIN);
1.202 schwarze 528: return 0;
1.153 schwarze 529: } else {
1.219 schwarze 530: if (tok != TOKEN_NONE &&
1.225 ! schwarze 531: mdoc_macro(tok)->fp == in_line_eoln)
1.153 schwarze 532: rew_elem(mdoc, tok);
1.225 ! schwarze 533: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 534: if (tok == TOKEN_NONE)
1.153 schwarze 535: append_delims(mdoc, line, pos, buf);
1.202 schwarze 536: return 1;
1.153 schwarze 537: }
538: }
539:
540: /*
1.131 schwarze 541: * Close out block partial/full explicit.
1.1 kristaps 542: */
1.151 schwarze 543: static void
1.1 kristaps 544: blk_exp_close(MACRO_PROT_ARGS)
545: {
1.185 schwarze 546: struct roff_node *body; /* Our own body. */
547: struct roff_node *endbody; /* Our own end marker. */
548: struct roff_node *itblk; /* An It block starting later. */
549: struct roff_node *later; /* A sub-block starting later. */
550: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 551: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 552:
1.188 schwarze 553: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 554: enum margserr ac;
1.219 schwarze 555: enum roff_tok atok, ntok;
1.1 kristaps 556: char *p;
557:
1.119 schwarze 558: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 559:
1.1 kristaps 560: switch (tok) {
1.131 schwarze 561: case MDOC_Ec:
1.1 kristaps 562: maxargs = 1;
563: break;
1.131 schwarze 564: case MDOC_Ek:
1.125 schwarze 565: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 566: /* FALLTHROUGH */
1.1 kristaps 567: default:
568: maxargs = 0;
569: break;
570: }
571:
1.209 schwarze 572: /* Search backwards for the beginning of our own body. */
573:
574: atok = rew_alt(tok);
575: body = NULL;
576: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 577: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 578: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
579: continue;
580: body = n;
581: break;
582: }
583:
1.83 schwarze 584: /*
585: * Search backwards for beginnings of blocks,
586: * both of our own and of pending sub-blocks.
587: */
1.151 schwarze 588:
1.209 schwarze 589: endbody = itblk = later = NULL;
1.119 schwarze 590: for (n = mdoc->last; n; n = n->parent) {
1.213 schwarze 591: if (n->flags & NODE_ENDED)
1.83 schwarze 592: continue;
593:
1.209 schwarze 594: /*
1.211 schwarze 595: * Mismatching end macros can never break anything
1.209 schwarze 596: * and we only care about the breaking of BLOCKs.
597: */
1.83 schwarze 598:
1.211 schwarze 599: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 600: continue;
1.160 schwarze 601:
1.211 schwarze 602: /*
603: * SYNOPSIS name blocks can not be broken themselves,
604: * but they do get broken together with a broken child.
605: */
606:
607: if (n->tok == MDOC_Nm) {
608: if (later != NULL)
609: n->flags |= NODE_BROKEN | NODE_ENDED;
610: continue;
611: }
612:
1.160 schwarze 613: if (n->tok == MDOC_It) {
1.171 schwarze 614: itblk = n;
1.160 schwarze 615: continue;
616: }
617:
1.83 schwarze 618: if (atok == n->tok) {
619:
620: /*
621: * Found the start of our own block.
622: * When there is no pending sub block,
623: * just proceed to closing out.
624: */
1.151 schwarze 625:
1.160 schwarze 626: if (later == NULL ||
1.171 schwarze 627: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 628: break;
629:
1.131 schwarze 630: /*
1.167 schwarze 631: * When there is a pending sub block, postpone
632: * closing out the current block until the
633: * rew_pending() closing out the sub-block.
1.83 schwarze 634: * Mark the place where the formatting - but not
635: * the scope - of the current block ends.
636: */
1.151 schwarze 637:
1.183 schwarze 638: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
639: line, ppos, "%s breaks %s",
1.219 schwarze 640: roff_name[atok], roff_name[later->tok]);
1.183 schwarze 641:
1.166 schwarze 642: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 643: atok, body);
1.151 schwarze 644:
1.183 schwarze 645: if (tok == MDOC_El)
1.210 schwarze 646: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 647:
1.151 schwarze 648: /*
649: * If a block closing macro taking arguments
650: * breaks another block, put the arguments
1.166 schwarze 651: * into the end marker.
1.151 schwarze 652: */
653:
1.166 schwarze 654: if (maxargs)
1.189 schwarze 655: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 656: break;
1.182 schwarze 657: }
658:
1.214 schwarze 659: /*
660: * Explicit blocks close out description lines, but
661: * even those can get broken together with a child.
662: */
1.182 schwarze 663:
664: if (n->tok == MDOC_Nd) {
1.214 schwarze 665: if (later != NULL)
666: n->flags |= NODE_BROKEN | NODE_ENDED;
667: else
668: rew_last(mdoc, n);
1.182 schwarze 669: continue;
1.83 schwarze 670: }
671:
1.183 schwarze 672: /* Breaking an open sub block. */
1.151 schwarze 673:
1.213 schwarze 674: break_intermediate(mdoc->last, body);
1.210 schwarze 675: n->flags |= NODE_BROKEN;
1.183 schwarze 676: if (later == NULL)
1.83 schwarze 677: later = n;
678: }
1.166 schwarze 679:
680: if (body == NULL) {
681: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
1.219 schwarze 682: line, ppos, roff_name[tok]);
1.166 schwarze 683: if (maxargs && endbody == NULL) {
684: /*
685: * Stray .Ec without previous .Eo:
686: * Break the output line, keep the arguments.
687: */
1.221 schwarze 688: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
689: rew_elem(mdoc, ROFF_br);
1.166 schwarze 690: }
691: } else if (endbody == NULL) {
692: rew_last(mdoc, body);
693: if (maxargs)
694: mdoc_tail_alloc(mdoc, line, ppos, atok);
695: }
1.83 schwarze 696:
1.225 ! schwarze 697: if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
1.150 schwarze 698: if (buf[*pos] != '\0')
1.136 schwarze 699: mandoc_vmsg(MANDOCERR_ARG_SKIP,
700: mdoc->parse, line, ppos,
1.219 schwarze 701: "%s %s", roff_name[tok],
1.136 schwarze 702: buf + *pos);
1.171 schwarze 703: if (endbody == NULL && n != NULL)
1.167 schwarze 704: rew_pending(mdoc, n);
1.151 schwarze 705: return;
1.1 kristaps 706: }
707:
1.166 schwarze 708: if (endbody != NULL)
709: n = endbody;
1.197 schwarze 710:
711: ntok = TOKEN_NONE;
1.148 schwarze 712: for (j = 0; ; j++) {
1.1 kristaps 713: lastarg = *pos;
714:
1.186 schwarze 715: if (j == maxargs && n != NULL)
716: rew_last(mdoc, n);
1.1 kristaps 717:
1.119 schwarze 718: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 719: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 720: break;
721:
1.224 schwarze 722: ntok = lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 723:
1.191 schwarze 724: if (ntok == TOKEN_NONE) {
1.150 schwarze 725: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.225 ! schwarze 726: mdoc_macro(tok)->flags & MDOC_JOIN);
1.54 kristaps 727: continue;
728: }
1.1 kristaps 729:
1.186 schwarze 730: if (n != NULL)
731: rew_last(mdoc, n);
1.122 schwarze 732: mdoc->flags &= ~MDOC_NEWLINE;
1.225 ! schwarze 733: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 734: break;
1.1 kristaps 735: }
736:
1.188 schwarze 737: if (n != NULL) {
1.212 schwarze 738: pending = 0;
1.210 schwarze 739: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 740: target = n;
741: do
742: target = target->parent;
1.210 schwarze 743: while ( ! (target->flags & NODE_ENDED));
1.215 schwarze 744: pending = find_pending(mdoc, ntok, line, ppos, target);
1.212 schwarze 745: }
1.188 schwarze 746: if ( ! pending)
747: rew_pending(mdoc, n);
748: }
1.150 schwarze 749: if (nl)
750: append_delims(mdoc, line, pos, buf);
1.1 kristaps 751: }
752:
1.151 schwarze 753: static void
1.1 kristaps 754: in_line(MACRO_PROT_ARGS)
755: {
1.144 schwarze 756: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.219 schwarze 757: enum roff_tok ntok;
1.55 kristaps 758: enum margserr ac;
1.67 schwarze 759: enum mdelim d;
1.53 kristaps 760: struct mdoc_arg *arg;
761: char *p;
1.1 kristaps 762:
1.119 schwarze 763: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 764:
1.4 kristaps 765: /*
766: * Whether we allow ignored elements (those without content,
767: * usually because of reserved words) to squeak by.
768: */
1.45 kristaps 769:
1.4 kristaps 770: switch (tok) {
1.131 schwarze 771: case MDOC_An:
772: case MDOC_Ar:
773: case MDOC_Fl:
774: case MDOC_Mt:
775: case MDOC_Nm:
776: case MDOC_Pa:
1.4 kristaps 777: nc = 1;
778: break;
779: default:
780: nc = 0;
781: break;
782: }
783:
1.152 schwarze 784: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 785:
1.144 schwarze 786: d = DELIM_NONE;
787: firstarg = 1;
1.142 schwarze 788: mayopen = 1;
1.70 kristaps 789: for (cnt = scope = 0;; ) {
1.1 kristaps 790: la = *pos;
1.119 schwarze 791: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 792:
1.144 schwarze 793: /*
794: * At the end of a macro line,
795: * opening delimiters do not suppress spacing.
796: */
797:
798: if (ac == ARGS_EOLN) {
799: if (d == DELIM_OPEN)
1.210 schwarze 800: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 801: break;
1.144 schwarze 802: }
803:
804: /*
805: * The rest of the macro line is only punctuation,
806: * to be handled by append_delims().
807: * If there were no other arguments,
808: * do not allow the first one to suppress spacing,
809: * even if it turns out to be a closing one.
810: */
811:
812: if (ac == ARGS_PUNCT) {
1.176 schwarze 813: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 814: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 815: break;
1.144 schwarze 816: }
1.1 kristaps 817:
1.224 schwarze 818: ntok = (tok == MDOC_Fn && !cnt) ?
1.191 schwarze 819: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 820:
1.131 schwarze 821: /*
1.4 kristaps 822: * In this case, we've located a submacro and must
823: * execute it. Close out scope, if open. If no
824: * elements have been generated, either create one (nc)
825: * or raise a warning.
826: */
1.1 kristaps 827:
1.191 schwarze 828: if (ntok != TOKEN_NONE) {
1.149 schwarze 829: if (scope)
830: rew_elem(mdoc, tok);
1.150 schwarze 831: if (nc && ! cnt) {
832: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 833: rew_last(mdoc, mdoc->last);
1.150 schwarze 834: } else if ( ! nc && ! cnt) {
1.7 kristaps 835: mdoc_argv_free(arg);
1.135 schwarze 836: mandoc_msg(MANDOCERR_MACRO_EMPTY,
837: mdoc->parse, line, ppos,
1.219 schwarze 838: roff_name[tok]);
1.7 kristaps 839: }
1.225 ! schwarze 840: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
! 841: line, la, pos, buf);
1.150 schwarze 842: if (nl)
843: append_delims(mdoc, line, pos, buf);
1.151 schwarze 844: return;
1.131 schwarze 845: }
1.1 kristaps 846:
1.131 schwarze 847: /*
1.224 schwarze 848: * Handle punctuation. Set up our scope, if a word;
849: * rewind the scope, if a delimiter; then append the word.
1.4 kristaps 850: */
1.1 kristaps 851:
1.224 schwarze 852: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.70 kristaps 853: /*
854: * If we encounter closing punctuation, no word
1.144 schwarze 855: * has been emitted, no scope is open, and we're
1.70 kristaps 856: * allowed to have an empty element, then start
1.142 schwarze 857: * a new scope.
1.70 kristaps 858: */
1.142 schwarze 859: if ((d == DELIM_CLOSE ||
860: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 861: !cnt && !scope && nc && mayopen) {
1.150 schwarze 862: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 863: scope = 1;
1.142 schwarze 864: cnt++;
1.150 schwarze 865: if (tok == MDOC_Nm)
1.142 schwarze 866: mayopen = 0;
1.70 kristaps 867: }
868: /*
869: * Close out our scope, if one is open, before
870: * any punctuation.
871: */
1.224 schwarze 872: if (scope && tok != MDOC_Lk) {
1.149 schwarze 873: rew_elem(mdoc, tok);
1.224 schwarze 874: scope = 0;
875: if (tok == MDOC_Fn)
876: mayopen = 0;
877: }
1.142 schwarze 878: } else if (mayopen && !scope) {
1.150 schwarze 879: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 880: scope = 1;
1.142 schwarze 881: cnt++;
1.1 kristaps 882: }
1.105 kristaps 883:
1.150 schwarze 884: dword(mdoc, line, la, p, d,
1.225 ! schwarze 885: mdoc_macro(tok)->flags & MDOC_JOIN);
1.39 kristaps 886:
887: /*
1.144 schwarze 888: * If the first argument is a closing delimiter,
889: * do not suppress spacing before it.
890: */
891:
892: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 893: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 894: firstarg = 0;
895:
896: /*
1.39 kristaps 897: * `Fl' macros have their scope re-opened with each new
898: * word so that the `-' can be added to each one without
899: * having to parse out spaces.
900: */
1.150 schwarze 901: if (scope && tok == MDOC_Fl) {
1.149 schwarze 902: rew_elem(mdoc, tok);
1.70 kristaps 903: scope = 0;
1.39 kristaps 904: }
1.1 kristaps 905: }
906:
1.218 schwarze 907: if (scope && tok != MDOC_Lk) {
1.149 schwarze 908: rew_elem(mdoc, tok);
1.218 schwarze 909: scope = 0;
910: }
1.4 kristaps 911:
912: /*
913: * If no elements have been collected and we're allowed to have
914: * empties (nc), open a scope and close it out. Otherwise,
915: * raise a warning.
916: */
1.45 kristaps 917:
1.150 schwarze 918: if ( ! cnt) {
919: if (nc) {
920: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
921: rew_last(mdoc, mdoc->last);
922: } else {
923: mdoc_argv_free(arg);
924: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 925: line, ppos, roff_name[tok]);
1.150 schwarze 926: }
1.7 kristaps 927: }
1.150 schwarze 928: if (nl)
929: append_delims(mdoc, line, pos, buf);
1.218 schwarze 930: if (scope)
931: rew_elem(mdoc, tok);
1.1 kristaps 932: }
933:
1.151 schwarze 934: static void
1.1 kristaps 935: blk_full(MACRO_PROT_ARGS)
936: {
1.153 schwarze 937: int la, nl, parsed;
1.1 kristaps 938: struct mdoc_arg *arg;
1.185 schwarze 939: struct roff_node *blk; /* Our own or a broken block. */
940: struct roff_node *head; /* Our own head. */
941: struct roff_node *body; /* Our own body. */
942: struct roff_node *n;
1.59 kristaps 943: enum margserr ac, lac;
1.1 kristaps 944: char *p;
945:
1.119 schwarze 946: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 947:
1.177 schwarze 948: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
949: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 950: line, ppos, roff_name[tok]);
1.177 schwarze 951: return;
952: }
953:
1.225 ! schwarze 954: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.171 schwarze 955:
956: /* Here, tok is one of Sh Ss Nm Nd It. */
957:
958: blk = NULL;
959: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 960: if (n->flags & NODE_ENDED) {
961: if ( ! (n->flags & NODE_VALID))
962: n->flags |= NODE_BROKEN;
1.183 schwarze 963: continue;
964: }
1.184 schwarze 965: if (n->type != ROFFT_BLOCK)
1.171 schwarze 966: continue;
1.183 schwarze 967:
1.171 schwarze 968: if (tok == MDOC_It && n->tok == MDOC_Bl) {
969: if (blk != NULL) {
970: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
971: mdoc->parse, line, ppos,
972: "It breaks %s",
1.219 schwarze 973: roff_name[blk->tok]);
1.171 schwarze 974: rew_pending(mdoc, blk);
975: }
976: break;
977: }
978:
1.225 ! schwarze 979: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.171 schwarze 980: switch (tok) {
981: case MDOC_Sh:
982: case MDOC_Ss:
983: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
984: mdoc->parse, line, ppos,
1.219 schwarze 985: "%s breaks %s", roff_name[tok],
986: roff_name[n->tok]);
1.171 schwarze 987: rew_pending(mdoc, n);
1.180 schwarze 988: n = mdoc->last;
1.171 schwarze 989: continue;
990: case MDOC_It:
991: /* Delay in case it's astray. */
992: blk = n;
993: continue;
994: default:
995: break;
996: }
997: break;
998: }
999:
1000: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 1001:
1.171 schwarze 1002: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1003: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1004: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 1005: break;
1.171 schwarze 1006:
1007: /* Item breaking an explicit block. */
1008:
1009: if (blk != NULL) {
1010: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
1011: mdoc->parse, line, ppos,
1.219 schwarze 1012: "It breaks %s", roff_name[blk->tok]);
1.171 schwarze 1013: rew_pending(mdoc, blk);
1.172 schwarze 1014: blk = NULL;
1.171 schwarze 1015: }
1016:
1017: /* Close out prior implicit scopes. */
1018:
1.211 schwarze 1019: rew_pending(mdoc, n);
1.171 schwarze 1020: }
1021:
1022: /* Skip items outside lists. */
1023:
1024: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.138 schwarze 1025: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1026: line, ppos, "It %s", buf + *pos);
1.221 schwarze 1027: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1028: rew_elem(mdoc, ROFF_br);
1.151 schwarze 1029: return;
1.138 schwarze 1030: }
1.1 kristaps 1031: }
1032:
1.45 kristaps 1033: /*
1.109 kristaps 1034: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1035: * macro openings. Implicit ones first close out prior scope
1036: * (seen above). Delay opening the head until necessary to
1037: * allow leading punctuation to print. Special consideration
1038: * for `It -column', which has phrase-part syntax instead of
1039: * regular child nodes.
1040: */
1041:
1.152 schwarze 1042: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1043: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1044: head = body = NULL;
1.115 schwarze 1045:
1046: /*
1047: * Exception: Heads of `It' macros in `-diag' lists are not
1048: * parsed, even though `It' macros in general are parsed.
1049: */
1.151 schwarze 1050:
1.153 schwarze 1051: parsed = tok != MDOC_It ||
1052: mdoc->last->parent->tok != MDOC_Bl ||
1053: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1054:
1.45 kristaps 1055: /*
1056: * The `Nd' macro has all arguments in its body: it's a hybrid
1057: * of block partial-explicit and full-implicit. Stupid.
1058: */
1.19 kristaps 1059:
1.150 schwarze 1060: if (tok == MDOC_Nd) {
1.190 schwarze 1061: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1062: rew_last(mdoc, head);
1.190 schwarze 1063: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1064: }
1065:
1.150 schwarze 1066: if (tok == MDOC_Bk)
1.123 schwarze 1067: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1068:
1.205 schwarze 1069: ac = ARGS_EOLN;
1.150 schwarze 1070: for (;;) {
1.205 schwarze 1071:
1072: /*
1073: * If we are right after a tab character,
1074: * do not parse the first word for macros.
1075: */
1076:
1077: if (mdoc->flags & MDOC_PHRASEQN) {
1078: mdoc->flags &= ~MDOC_PHRASEQN;
1079: mdoc->flags |= MDOC_PHRASEQF;
1080: }
1081:
1.45 kristaps 1082: la = *pos;
1.150 schwarze 1083: lac = ac;
1.119 schwarze 1084: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1085: if (ac == ARGS_EOLN) {
1.205 schwarze 1086: if (lac != ARGS_PHRASE ||
1087: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1088: break;
1.205 schwarze 1089:
1.75 kristaps 1090: /*
1.205 schwarze 1091: * This line ends in a tab; start the next
1092: * column now, with a leading blank.
1.75 kristaps 1093: */
1.205 schwarze 1094:
1.167 schwarze 1095: if (body != NULL)
1096: rew_last(mdoc, body);
1.190 schwarze 1097: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1098: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1099: break;
1.75 kristaps 1100: }
1.205 schwarze 1101:
1.174 schwarze 1102: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1103: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1104: mdoc->parse, line, la, "%s ... %s",
1.219 schwarze 1105: roff_name[tok], buf + la);
1.174 schwarze 1106: break;
1107: }
1.173 schwarze 1108: if (tok == MDOC_Rs) {
1109: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1110: line, la, "Rs %s", buf + la);
1111: break;
1112: }
1113: if (ac == ARGS_PUNCT)
1114: break;
1.45 kristaps 1115:
1.131 schwarze 1116: /*
1.73 kristaps 1117: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1118: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1119: */
1.45 kristaps 1120:
1.150 schwarze 1121: if (head == NULL &&
1122: ac != ARGS_PHRASE &&
1123: mdoc_isdelim(p) == DELIM_OPEN) {
1124: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1125: continue;
1126: }
1127:
1.74 kristaps 1128: /* Open a head if one hasn't been opened. */
1.45 kristaps 1129:
1.150 schwarze 1130: if (head == NULL)
1.190 schwarze 1131: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1132:
1.205 schwarze 1133: if (ac == ARGS_PHRASE) {
1.151 schwarze 1134:
1.73 kristaps 1135: /*
1.74 kristaps 1136: * If we haven't opened a body yet, rewind the
1137: * head; if we have, rewind that instead.
1138: */
1139:
1.167 schwarze 1140: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1141: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1142:
1.205 schwarze 1143: /* Process to the tab or to the end of the line. */
1.74 kristaps 1144:
1.205 schwarze 1145: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1146: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1147: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1148:
1149: /* There may have been `Ta' macros. */
1150:
1151: while (body->next != NULL)
1152: body = body->next;
1.1 kristaps 1153: continue;
1154: }
1155:
1.153 schwarze 1156: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1157: break;
1.45 kristaps 1158: }
1.1 kristaps 1159:
1.210 schwarze 1160: if (blk->flags & NODE_VALID)
1.165 schwarze 1161: return;
1.150 schwarze 1162: if (head == NULL)
1.190 schwarze 1163: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1164: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1165: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1166: if (body != NULL)
1.77 kristaps 1167: goto out;
1.187 schwarze 1168: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1169: return;
1.47 kristaps 1170:
1.45 kristaps 1171: /* Close out scopes to remain in a consistent state. */
1172:
1.167 schwarze 1173: rew_last(mdoc, head);
1.190 schwarze 1174: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1175: out:
1.150 schwarze 1176: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1177: rew_last(mdoc, body);
1178: rew_last(mdoc, blk);
1.150 schwarze 1179: mdoc->flags &= ~MDOC_FREECOL;
1180: }
1.1 kristaps 1181: }
1182:
1.151 schwarze 1183: static void
1.1 kristaps 1184: blk_part_imp(MACRO_PROT_ARGS)
1185: {
1.63 kristaps 1186: int la, nl;
1.55 kristaps 1187: enum margserr ac;
1.1 kristaps 1188: char *p;
1.185 schwarze 1189: struct roff_node *blk; /* saved block context */
1190: struct roff_node *body; /* saved body context */
1191: struct roff_node *n;
1.1 kristaps 1192:
1.119 schwarze 1193: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1194:
1.43 kristaps 1195: /*
1196: * A macro that spans to the end of the line. This is generally
1197: * (but not necessarily) called as the first macro. The block
1198: * has a head as the immediate child, which is always empty,
1199: * followed by zero or more opening punctuation nodes, then the
1200: * body (which may be empty, depending on the macro), then zero
1201: * or more closing punctuation nodes.
1202: */
1.32 kristaps 1203:
1.150 schwarze 1204: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1205: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1206:
1.43 kristaps 1207: /*
1208: * Open the body scope "on-demand", that is, after we've
1209: * processed all our the leading delimiters (open parenthesis,
1210: * etc.).
1211: */
1.1 kristaps 1212:
1.43 kristaps 1213: for (body = NULL; ; ) {
1.32 kristaps 1214: la = *pos;
1.119 schwarze 1215: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1216: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1217: break;
1218:
1.224 schwarze 1219: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 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:
1.224 schwarze 1275: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1276: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1277: continue;
1.123 schwarze 1278: }
1.43 kristaps 1279:
1.150 schwarze 1280: if (head == NULL) {
1.190 schwarze 1281: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1282: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1283: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1284: rew_last(mdoc, head);
1.190 schwarze 1285: roff_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1286: if (tok == MDOC_Eo)
1.43 kristaps 1287: continue;
1.1 kristaps 1288: }
1.43 kristaps 1289:
1.153 schwarze 1290: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1291: break;
1.1 kristaps 1292: }
1293:
1.43 kristaps 1294: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1295:
1.163 schwarze 1296: if (head == NULL) {
1.190 schwarze 1297: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1298: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1299: }
1.150 schwarze 1300: if (nl)
1301: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1302: }
1303:
1.151 schwarze 1304: static void
1.1 kristaps 1305: in_line_argn(MACRO_PROT_ARGS)
1306: {
1.53 kristaps 1307: struct mdoc_arg *arg;
1308: char *p;
1.181 schwarze 1309: enum margserr ac;
1.219 schwarze 1310: enum roff_tok ntok;
1.181 schwarze 1311: int state; /* arg#; -1: not yet open; -2: closed */
1312: int la, maxargs, nl;
1.1 kristaps 1313:
1.156 schwarze 1314: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1315:
1.46 kristaps 1316: /*
1317: * A line macro that has a fixed number of arguments (maxargs).
1318: * Only open the scope once the first non-leading-punctuation is
1319: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1320: * keep it open until the maximum number of arguments are
1321: * exhausted.
1322: */
1.1 kristaps 1323:
1324: switch (tok) {
1.131 schwarze 1325: case MDOC_Ap:
1326: case MDOC_Ns:
1327: case MDOC_Ux:
1.1 kristaps 1328: maxargs = 0;
1329: break;
1.131 schwarze 1330: case MDOC_Bx:
1.132 schwarze 1331: case MDOC_Es:
1.131 schwarze 1332: case MDOC_Xr:
1.42 kristaps 1333: maxargs = 2;
1334: break;
1.1 kristaps 1335: default:
1336: maxargs = 1;
1337: break;
1338: }
1339:
1.152 schwarze 1340: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1341:
1.181 schwarze 1342: state = -1;
1.156 schwarze 1343: p = NULL;
1344: for (;;) {
1.32 kristaps 1345: la = *pos;
1.119 schwarze 1346: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1347:
1348: if (ac == ARGS_WORD && state == -1 &&
1.225 ! schwarze 1349: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.181 schwarze 1350: mdoc_isdelim(p) == DELIM_OPEN) {
1351: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1352: continue;
1353: }
1354:
1355: if (state == -1 && tok != MDOC_In &&
1356: tok != MDOC_St && tok != MDOC_Xr) {
1357: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1358: state = 0;
1359: }
1360:
1.156 schwarze 1361: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1362: if (abs(state) < 2 && tok == MDOC_Pf)
1.156 schwarze 1363: mandoc_vmsg(MANDOCERR_PF_SKIP,
1364: mdoc->parse, line, ppos, "Pf %s",
1365: p == NULL ? "at eol" : p);
1.1 kristaps 1366: break;
1.156 schwarze 1367: }
1.1 kristaps 1368:
1.181 schwarze 1369: if (state == maxargs) {
1.149 schwarze 1370: rew_elem(mdoc, tok);
1.181 schwarze 1371: state = -2;
1.46 kristaps 1372: }
1373:
1.224 schwarze 1374: ntok = (tok == MDOC_Pf && state == 0) ?
1.191 schwarze 1375: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1376:
1.191 schwarze 1377: if (ntok != TOKEN_NONE) {
1.181 schwarze 1378: if (state >= 0) {
1.149 schwarze 1379: rew_elem(mdoc, tok);
1.181 schwarze 1380: state = -2;
1381: }
1.225 ! schwarze 1382: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
! 1383: line, la, pos, buf);
1.1 kristaps 1384: break;
1385: }
1386:
1.225 ! schwarze 1387: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.181 schwarze 1388: mdoc_isdelim(p) == DELIM_NONE) {
1389: if (state == -1) {
1390: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1391: state = 1;
1392: } else if (state >= 0)
1393: state++;
1394: } else if (state >= 0) {
1.149 schwarze 1395: rew_elem(mdoc, tok);
1.181 schwarze 1396: state = -2;
1.1 kristaps 1397: }
1.42 kristaps 1398:
1.150 schwarze 1399: dword(mdoc, line, la, p, DELIM_MAX,
1.225 ! schwarze 1400: mdoc_macro(tok)->flags & MDOC_JOIN);
1.1 kristaps 1401: }
1402:
1.181 schwarze 1403: if (state == -1) {
1404: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 1405: line, ppos, roff_name[tok]);
1.181 schwarze 1406: return;
1.156 schwarze 1407: }
1.181 schwarze 1408:
1409: if (state == 0 && tok == MDOC_Pf)
1410: append_delims(mdoc, line, pos, buf);
1411: if (state >= 0)
1.149 schwarze 1412: rew_elem(mdoc, tok);
1.150 schwarze 1413: if (nl)
1414: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1415: }
1416:
1.151 schwarze 1417: static void
1.1 kristaps 1418: in_line_eoln(MACRO_PROT_ARGS)
1419: {
1.185 schwarze 1420: struct roff_node *n;
1.170 schwarze 1421: struct mdoc_arg *arg;
1.1 kristaps 1422:
1.170 schwarze 1423: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1424: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1425: n = mdoc->last;
1.189 schwarze 1426: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1427: n = n->parent;
1428: if (n->tok == MDOC_Nm)
1.198 schwarze 1429: rew_last(mdoc, n->parent);
1.178 schwarze 1430: }
1431:
1.179 schwarze 1432: if (buf[*pos] == '\0' &&
1.219 schwarze 1433: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.178 schwarze 1434: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 1435: line, ppos, roff_name[tok]);
1.178 schwarze 1436: return;
1.170 schwarze 1437: }
1.90 schwarze 1438:
1.152 schwarze 1439: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1440: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1441: if (parse_rest(mdoc, tok, line, pos, buf))
1442: return;
1443: rew_elem(mdoc, tok);
1444: }
1445:
1446: /*
1447: * The simplest argument parser available: Parse the remaining
1448: * words until the end of the phrase or line and return 0
1449: * or until the next macro, call that macro, and return 1.
1450: */
1451: static int
1.219 schwarze 1452: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1453: int line, int *pos, char *buf)
1.154 schwarze 1454: {
1455: int la;
1.1 kristaps 1456:
1457: for (;;) {
1458: la = *pos;
1.153 schwarze 1459: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.202 schwarze 1460: return 0;
1.153 schwarze 1461: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.202 schwarze 1462: return 1;
1.1 kristaps 1463: }
1464: }
1465:
1.151 schwarze 1466: static void
1.41 kristaps 1467: ctx_synopsis(MACRO_PROT_ARGS)
1468: {
1.60 kristaps 1469:
1.151 schwarze 1470: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1471: in_line(mdoc, tok, line, ppos, pos, buf);
1472: else if (tok == MDOC_Nm)
1473: blk_full(mdoc, tok, line, ppos, pos, buf);
1474: else {
1475: assert(tok == MDOC_Vt);
1476: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1477: }
1.1 kristaps 1478: }
1479:
1.24 kristaps 1480: /*
1481: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1482: * They're unusual because they're basically free-form text until a
1483: * macro is encountered.
1484: */
1.151 schwarze 1485: static void
1.75 kristaps 1486: phrase_ta(MACRO_PROT_ARGS)
1487: {
1.185 schwarze 1488: struct roff_node *body, *n;
1.75 kristaps 1489:
1.121 schwarze 1490: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1491:
1.167 schwarze 1492: body = NULL;
1493: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1494: if (n->flags & NODE_ENDED)
1.167 schwarze 1495: continue;
1.184 schwarze 1496: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1497: body = n;
1.208 schwarze 1498: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1499: break;
1500: }
1501:
1.151 schwarze 1502: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1503: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1504: line, ppos, "Ta");
1.151 schwarze 1505: return;
1.121 schwarze 1506: }
1.75 kristaps 1507:
1.121 schwarze 1508: /* Advance to the next column. */
1.150 schwarze 1509:
1.167 schwarze 1510: rew_last(mdoc, body);
1.190 schwarze 1511: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1512: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1513: }
CVSweb