Annotation of mandoc/mdoc_macro.c, Revision 1.236
1.236 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.235 2022/04/14 16:43:44 schwarze Exp $ */
1.1 kristaps 2: /*
1.235 schwarze 3: * Copyright (c) 2010, 2012-2021 Ingo Schwarze <schwarze@openbsd.org>
1.116 schwarze 4: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
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:
1.235 schwarze 29: #if DEBUG_MEMORY
30: #include "mandoc_dbg.h"
31: #endif
1.184 schwarze 32: #include "mandoc.h"
33: #include "roff.h"
1.106 kristaps 34: #include "mdoc.h"
1.184 schwarze 35: #include "libmandoc.h"
1.190 schwarze 36: #include "roff_int.h"
1.1 kristaps 37: #include "libmdoc.h"
38:
1.151 schwarze 39: static void blk_full(MACRO_PROT_ARGS);
40: static void blk_exp_close(MACRO_PROT_ARGS);
41: static void blk_part_exp(MACRO_PROT_ARGS);
42: static void blk_part_imp(MACRO_PROT_ARGS);
43: static void ctx_synopsis(MACRO_PROT_ARGS);
44: static void in_line_eoln(MACRO_PROT_ARGS);
45: static void in_line_argn(MACRO_PROT_ARGS);
46: static void in_line(MACRO_PROT_ARGS);
47: static void phrase_ta(MACRO_PROT_ARGS);
1.53 kristaps 48:
1.189 schwarze 49: static void append_delims(struct roff_man *, int, int *, char *);
50: static void dword(struct roff_man *, int, int, const char *,
1.187 schwarze 51: enum mdelim, int);
1.219 schwarze 52: static int find_pending(struct roff_man *, enum roff_tok,
53: int, int, struct roff_node *);
1.189 schwarze 54: static int lookup(struct roff_man *, int, int, int, const char *);
1.228 schwarze 55: static int macro_or_word(MACRO_PROT_ARGS, char *, int);
1.213 schwarze 56: static void break_intermediate(struct roff_node *,
1.219 schwarze 57: struct roff_node *);
58: static int parse_rest(struct roff_man *, enum roff_tok,
59: int, int *, char *);
60: static enum roff_tok rew_alt(enum roff_tok);
61: static void rew_elem(struct roff_man *, enum roff_tok);
1.189 schwarze 62: static void rew_last(struct roff_man *, const struct roff_node *);
63: static void rew_pending(struct roff_man *,
64: const struct roff_node *);
1.1 kristaps 65:
1.225 schwarze 66: static const struct mdoc_macro mdoc_macros[MDOC_MAX - MDOC_Dd] = {
1.233 schwarze 67: { in_line_eoln, MDOC_PROLOGUE | MDOC_JOIN }, /* Dd */
1.1 kristaps 68: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
69: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.123 schwarze 70: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
71: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
72: { in_line_eoln, 0 }, /* Pp */
73: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
74: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 75: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.123 schwarze 76: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 77: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.123 schwarze 78: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
79: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
80: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
81: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.224 schwarze 82: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
83: MDOC_IGNDELIM | MDOC_JOIN }, /* Ap */
1.1 kristaps 84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.129 schwarze 85: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.123 schwarze 87: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
89: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 90: { in_line_eoln, 0 }, /* Ex */
1.123 schwarze 91: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
92: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 93: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.123 schwarze 94: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
95: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.128 schwarze 96: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.18 kristaps 97: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.123 schwarze 98: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
99: { blk_full, MDOC_JOIN }, /* Nd */
100: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 101: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.132 schwarze 102: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 103: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
104: { in_line_eoln, 0 }, /* Rv */
1.123 schwarze 105: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 106: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.123 schwarze 107: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.42 kristaps 108: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.123 schwarze 109: { in_line_eoln, MDOC_JOIN }, /* %A */
110: { in_line_eoln, MDOC_JOIN }, /* %B */
111: { in_line_eoln, MDOC_JOIN }, /* %D */
112: { in_line_eoln, MDOC_JOIN }, /* %I */
113: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 114: { in_line_eoln, 0 }, /* %N */
1.123 schwarze 115: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 116: { in_line_eoln, 0 }, /* %P */
1.123 schwarze 117: { in_line_eoln, MDOC_JOIN }, /* %R */
118: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 119: { in_line_eoln, 0 }, /* %V */
1.123 schwarze 120: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
121: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
122: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
123: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
124: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 125: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.123 schwarze 126: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
127: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
128: { blk_full, MDOC_EXPLICIT }, /* Bf */
129: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
130: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
131: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 132: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
133: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
134: { in_line_eoln, 0 }, /* Db */
1.123 schwarze 135: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
136: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
137: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
138: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
139: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
140: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
141: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
142: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 143: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
144: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.11 kristaps 145: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.144 schwarze 146: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.123 schwarze 147: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
148: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 149: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
150: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.123 schwarze 151: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
152: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.52 kristaps 153: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.123 schwarze 154: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
155: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
156: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
157: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
158: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
159: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
160: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
161: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
162: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
163: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 164: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.123 schwarze 165: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
166: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
167: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
168: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
169: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.147 schwarze 170: { in_line_argn, 0 }, /* Sm */
1.123 schwarze 171: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
172: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 173: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.123 schwarze 174: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 175: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
176: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.123 schwarze 177: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
178: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
179: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
180: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
181: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
182: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
183: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 184: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.123 schwarze 185: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 186: { in_line_eoln, 0 }, /* Bt */
187: { in_line_eoln, 0 }, /* Hf */
1.132 schwarze 188: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 189: { in_line_eoln, 0 }, /* Ud */
1.69 kristaps 190: { in_line, 0 }, /* Lb */
1.123 schwarze 191: { in_line_eoln, 0 }, /* Lp */
192: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
193: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
194: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
195: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
196: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
197: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
198: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
199: { in_line_eoln, MDOC_JOIN }, /* %C */
1.132 schwarze 200: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
201: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 202: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.123 schwarze 203: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.37 kristaps 204: { in_line_eoln, 0 }, /* %U */
1.123 schwarze 205: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.234 schwarze 206: { in_line_eoln, 0 }, /* Tg */
1.1 kristaps 207: };
208:
209:
1.225 schwarze 210: const struct mdoc_macro *
211: mdoc_macro(enum roff_tok tok)
212: {
213: assert(tok >= MDOC_Dd && tok < MDOC_MAX);
214: return mdoc_macros + (tok - MDOC_Dd);
215: }
216:
1.1 kristaps 217: /*
218: * This is called at the end of parsing. It must traverse up the tree,
219: * closing out open [implicit] scopes. Obviously, open explicit scopes
220: * are errors.
221: */
1.151 schwarze 222: void
1.195 schwarze 223: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 224: {
1.185 schwarze 225: struct roff_node *n;
1.1 kristaps 226:
227: /* Scan for open explicit scopes. */
228:
1.210 schwarze 229: n = mdoc->last->flags & NODE_VALID ?
1.131 schwarze 230: mdoc->last->parent : mdoc->last;
1.1 kristaps 231:
1.94 schwarze 232: for ( ; n; n = n->parent)
1.184 schwarze 233: if (n->type == ROFFT_BLOCK &&
1.225 schwarze 234: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT)
1.227 schwarze 235: mandoc_msg(MANDOCERR_BLK_NOEND,
236: n->line, n->pos, "%s", roff_name[n->tok]);
1.1 kristaps 237:
1.32 kristaps 238: /* Rewind to the first. */
239:
1.229 schwarze 240: rew_last(mdoc, mdoc->meta.first);
1.1 kristaps 241: }
242:
1.32 kristaps 243: /*
1.153 schwarze 244: * Look up the macro at *p called by "from",
1.191 schwarze 245: * or as a line macro if from == TOKEN_NONE.
1.32 kristaps 246: */
1.185 schwarze 247: static int
1.189 schwarze 248: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.28 kristaps 249: {
1.219 schwarze 250: enum roff_tok res;
1.1 kristaps 251:
1.205 schwarze 252: if (mdoc->flags & MDOC_PHRASEQF) {
253: mdoc->flags &= ~MDOC_PHRASEQF;
254: return TOKEN_NONE;
255: }
1.225 schwarze 256: if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) {
1.220 schwarze 257: res = roffhash_find(mdoc->mdocmac, p, 0);
1.191 schwarze 258: if (res != TOKEN_NONE) {
1.225 schwarze 259: if (mdoc_macro(res)->flags & MDOC_CALLABLE)
1.202 schwarze 260: return res;
1.227 schwarze 261: mandoc_msg(MANDOCERR_MACRO_CALL, line, ppos, "%s", p);
1.155 schwarze 262: }
1.153 schwarze 263: }
1.202 schwarze 264: return TOKEN_NONE;
1.1 kristaps 265: }
266:
1.166 schwarze 267: /*
268: * Rewind up to and including a specific node.
269: */
1.149 schwarze 270: static void
1.189 schwarze 271: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 272: {
273:
1.210 schwarze 274: if (to->flags & NODE_VALID)
1.186 schwarze 275: return;
276:
1.1 kristaps 277: while (mdoc->last != to) {
1.206 schwarze 278: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 279: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.206 schwarze 280: mdoc->last = mdoc->last->parent;
1.1 kristaps 281: }
1.206 schwarze 282: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 283: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.200 schwarze 284: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 285: }
286:
1.32 kristaps 287: /*
1.166 schwarze 288: * Rewind up to a specific block, including all blocks that broke it.
289: */
290: static void
1.189 schwarze 291: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.166 schwarze 292: {
293:
1.183 schwarze 294: for (;;) {
295: rew_last(mdoc, n);
296:
1.194 schwarze 297: if (mdoc->last == n) {
298: switch (n->type) {
299: case ROFFT_HEAD:
300: roff_body_alloc(mdoc, n->line, n->pos,
301: n->tok);
1.232 schwarze 302: if (n->tok == MDOC_Ss)
303: mdoc->flags &= ~ROFF_NONOFILL;
1.207 schwarze 304: break;
1.194 schwarze 305: case ROFFT_BLOCK:
306: break;
307: default:
308: return;
309: }
1.210 schwarze 310: if ( ! (n->flags & NODE_BROKEN))
1.194 schwarze 311: return;
312: } else
313: n = mdoc->last;
1.166 schwarze 314:
1.183 schwarze 315: for (;;) {
316: if ((n = n->parent) == NULL)
317: return;
318:
1.184 schwarze 319: if (n->type == ROFFT_BLOCK ||
320: n->type == ROFFT_HEAD) {
1.210 schwarze 321: if (n->flags & NODE_ENDED)
1.183 schwarze 322: break;
323: else
324: return;
325: }
326: }
1.166 schwarze 327: }
328: }
329:
330: /*
1.84 schwarze 331: * For a block closing macro, return the corresponding opening one.
332: * Otherwise, return the macro itself.
1.32 kristaps 333: */
1.219 schwarze 334: static enum roff_tok
335: rew_alt(enum roff_tok tok)
1.1 kristaps 336: {
337: switch (tok) {
1.131 schwarze 338: case MDOC_Ac:
1.202 schwarze 339: return MDOC_Ao;
1.131 schwarze 340: case MDOC_Bc:
1.202 schwarze 341: return MDOC_Bo;
1.131 schwarze 342: case MDOC_Brc:
1.202 schwarze 343: return MDOC_Bro;
1.131 schwarze 344: case MDOC_Dc:
1.202 schwarze 345: return MDOC_Do;
1.131 schwarze 346: case MDOC_Ec:
1.202 schwarze 347: return MDOC_Eo;
1.131 schwarze 348: case MDOC_Ed:
1.202 schwarze 349: return MDOC_Bd;
1.131 schwarze 350: case MDOC_Ef:
1.202 schwarze 351: return MDOC_Bf;
1.131 schwarze 352: case MDOC_Ek:
1.202 schwarze 353: return MDOC_Bk;
1.131 schwarze 354: case MDOC_El:
1.202 schwarze 355: return MDOC_Bl;
1.131 schwarze 356: case MDOC_Fc:
1.202 schwarze 357: return MDOC_Fo;
1.131 schwarze 358: case MDOC_Oc:
1.202 schwarze 359: return MDOC_Oo;
1.131 schwarze 360: case MDOC_Pc:
1.202 schwarze 361: return MDOC_Po;
1.131 schwarze 362: case MDOC_Qc:
1.202 schwarze 363: return MDOC_Qo;
1.131 schwarze 364: case MDOC_Re:
1.202 schwarze 365: return MDOC_Rs;
1.131 schwarze 366: case MDOC_Sc:
1.202 schwarze 367: return MDOC_So;
1.131 schwarze 368: case MDOC_Xc:
1.202 schwarze 369: return MDOC_Xo;
1.1 kristaps 370: default:
1.202 schwarze 371: return tok;
1.1 kristaps 372: }
373: }
374:
1.149 schwarze 375: static void
1.219 schwarze 376: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 377: {
1.185 schwarze 378: struct roff_node *n;
1.1 kristaps 379:
380: n = mdoc->last;
1.184 schwarze 381: if (n->type != ROFFT_ELEM)
1.1 kristaps 382: n = n->parent;
1.184 schwarze 383: assert(n->type == ROFFT_ELEM);
1.1 kristaps 384: assert(tok == n->tok);
1.149 schwarze 385: rew_last(mdoc, n);
1.1 kristaps 386: }
387:
1.213 schwarze 388: static void
389: break_intermediate(struct roff_node *n, struct roff_node *breaker)
390: {
1.217 schwarze 391: if (n != breaker &&
392: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
393: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
394: n = n->parent;
1.213 schwarze 395: while (n != breaker) {
396: if ( ! (n->flags & NODE_VALID))
397: n->flags |= NODE_BROKEN;
398: n = n->parent;
399: }
400: }
401:
1.83 schwarze 402: /*
1.187 schwarze 403: * If there is an open sub-block of the target requiring
404: * explicit close-out, postpone closing out the target until
405: * the rew_pending() call closing out the sub-block.
406: */
407: static int
1.219 schwarze 408: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.187 schwarze 409: struct roff_node *target)
410: {
411: struct roff_node *n;
412: int irc;
413:
1.215 schwarze 414: if (target->flags & NODE_VALID)
415: return 0;
416:
1.187 schwarze 417: irc = 0;
418: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.213 schwarze 419: if (n->flags & NODE_ENDED)
1.187 schwarze 420: continue;
421: if (n->type == ROFFT_BLOCK &&
1.225 schwarze 422: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.187 schwarze 423: irc = 1;
1.217 schwarze 424: break_intermediate(mdoc->last, target);
1.187 schwarze 425: if (target->type == ROFFT_HEAD)
1.212 schwarze 426: target->flags |= NODE_ENDED;
1.210 schwarze 427: else if ( ! (target->flags & NODE_ENDED)) {
1.227 schwarze 428: mandoc_msg(MANDOCERR_BLK_NEST,
429: line, ppos, "%s breaks %s",
430: roff_name[tok], roff_name[n->tok]);
1.187 schwarze 431: mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 432: tok, target);
1.187 schwarze 433: }
434: }
435: }
1.202 schwarze 436: return irc;
1.187 schwarze 437: }
438:
439: /*
1.105 kristaps 440: * Allocate a word and check whether it's punctuation or not.
441: * Punctuation consists of those tokens found in mdoc_isdelim().
442: */
1.150 schwarze 443: static void
1.189 schwarze 444: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 445: enum mdelim d, int may_append)
1.105 kristaps 446: {
1.131 schwarze 447:
1.150 schwarze 448: if (d == DELIM_MAX)
1.105 kristaps 449: d = mdoc_isdelim(p);
450:
1.236 ! schwarze 451: if (may_append && ! (mdoc->flags & (MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 452: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 453: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 454: roff_word_append(mdoc, p);
1.150 schwarze 455: return;
1.123 schwarze 456: }
457:
1.192 schwarze 458: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 459:
1.108 schwarze 460: /*
1.144 schwarze 461: * If the word consists of a bare delimiter,
462: * flag the new node accordingly,
463: * unless doing so was vetoed by the invoking macro.
464: * Always clear the veto, it is only valid for one word.
1.108 schwarze 465: */
466:
1.144 schwarze 467: if (d == DELIM_OPEN)
1.210 schwarze 468: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 469: else if (d == DELIM_CLOSE &&
470: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 471: mdoc->last->parent->tok != MDOC_Fd)
1.210 schwarze 472: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 473: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 474: }
1.1 kristaps 475:
1.150 schwarze 476: static void
1.189 schwarze 477: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 478: {
1.153 schwarze 479: char *p;
1.66 kristaps 480: int la;
1.228 schwarze 481: enum margserr ac;
1.1 kristaps 482:
1.150 schwarze 483: if (buf[*pos] == '\0')
484: return;
1.1 kristaps 485:
486: for (;;) {
1.66 kristaps 487: la = *pos;
1.228 schwarze 488: ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p);
489: if (ac == ARGS_EOLN)
1.1 kristaps 490: break;
1.123 schwarze 491: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 492:
493: /*
494: * If we encounter end-of-sentence symbols, then trigger
495: * the double-space.
496: *
1.109 kristaps 497: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 498: * the last symbol, such that `. )' will cause the
499: * correct double-spacing. However, (1) groff isn't
500: * smart enough to do this and (2) it would require
501: * knowing which symbols break this behaviour, for
1.109 kristaps 502: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 503: */
1.150 schwarze 504:
1.127 schwarze 505: if (mandoc_eos(p, strlen(p)))
1.210 schwarze 506: mdoc->last->flags |= NODE_EOS;
1.228 schwarze 507: if (ac == ARGS_ALLOC)
508: free(p);
1.1 kristaps 509: }
510: }
511:
512: /*
1.153 schwarze 513: * Parse one word.
514: * If it is a macro, call it and return 1.
515: * Otherwise, allocate it and return 0.
516: */
517: static int
1.228 schwarze 518: macro_or_word(MACRO_PROT_ARGS, char *p, int parsed)
1.153 schwarze 519: {
1.185 schwarze 520: int ntok;
1.153 schwarze 521:
1.228 schwarze 522: ntok = buf[ppos] == '"' || parsed == 0 ||
523: mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE :
524: lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 525:
1.191 schwarze 526: if (ntok == TOKEN_NONE) {
527: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.225 schwarze 528: mdoc_macro(tok)->flags & MDOC_JOIN);
1.202 schwarze 529: return 0;
1.153 schwarze 530: } else {
1.219 schwarze 531: if (tok != TOKEN_NONE &&
1.225 schwarze 532: mdoc_macro(tok)->fp == in_line_eoln)
1.153 schwarze 533: rew_elem(mdoc, tok);
1.225 schwarze 534: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 535: if (tok == TOKEN_NONE)
1.153 schwarze 536: append_delims(mdoc, line, pos, buf);
1.202 schwarze 537: return 1;
1.153 schwarze 538: }
539: }
540:
541: /*
1.131 schwarze 542: * Close out block partial/full explicit.
1.1 kristaps 543: */
1.151 schwarze 544: static void
1.1 kristaps 545: blk_exp_close(MACRO_PROT_ARGS)
546: {
1.185 schwarze 547: struct roff_node *body; /* Our own body. */
548: struct roff_node *endbody; /* Our own end marker. */
549: struct roff_node *itblk; /* An It block starting later. */
550: struct roff_node *later; /* A sub-block starting later. */
551: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 552: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 553:
1.188 schwarze 554: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 555: enum margserr ac;
1.219 schwarze 556: enum roff_tok atok, ntok;
1.1 kristaps 557: char *p;
558:
1.119 schwarze 559: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 560:
1.1 kristaps 561: switch (tok) {
1.131 schwarze 562: case MDOC_Ec:
1.1 kristaps 563: maxargs = 1;
564: break;
1.131 schwarze 565: case MDOC_Ek:
1.125 schwarze 566: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 567: /* FALLTHROUGH */
1.1 kristaps 568: default:
569: maxargs = 0;
570: break;
571: }
572:
1.209 schwarze 573: /* Search backwards for the beginning of our own body. */
574:
575: atok = rew_alt(tok);
576: body = NULL;
577: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 578: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 579: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
580: continue;
581: body = n;
582: break;
583: }
584:
1.83 schwarze 585: /*
586: * Search backwards for beginnings of blocks,
587: * both of our own and of pending sub-blocks.
588: */
1.151 schwarze 589:
1.209 schwarze 590: endbody = itblk = later = NULL;
1.119 schwarze 591: for (n = mdoc->last; n; n = n->parent) {
1.213 schwarze 592: if (n->flags & NODE_ENDED)
1.83 schwarze 593: continue;
594:
1.209 schwarze 595: /*
1.211 schwarze 596: * Mismatching end macros can never break anything
1.209 schwarze 597: * and we only care about the breaking of BLOCKs.
598: */
1.83 schwarze 599:
1.211 schwarze 600: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 601: continue;
1.160 schwarze 602:
1.211 schwarze 603: /*
604: * SYNOPSIS name blocks can not be broken themselves,
605: * but they do get broken together with a broken child.
606: */
607:
608: if (n->tok == MDOC_Nm) {
609: if (later != NULL)
610: n->flags |= NODE_BROKEN | NODE_ENDED;
611: continue;
612: }
613:
1.160 schwarze 614: if (n->tok == MDOC_It) {
1.171 schwarze 615: itblk = n;
1.160 schwarze 616: continue;
617: }
618:
1.83 schwarze 619: if (atok == n->tok) {
620:
621: /*
622: * Found the start of our own block.
623: * When there is no pending sub block,
624: * just proceed to closing out.
625: */
1.151 schwarze 626:
1.160 schwarze 627: if (later == NULL ||
1.171 schwarze 628: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 629: break;
630:
1.131 schwarze 631: /*
1.167 schwarze 632: * When there is a pending sub block, postpone
633: * closing out the current block until the
634: * rew_pending() closing out the sub-block.
1.83 schwarze 635: * Mark the place where the formatting - but not
636: * the scope - of the current block ends.
637: */
1.151 schwarze 638:
1.227 schwarze 639: mandoc_msg(MANDOCERR_BLK_NEST,
1.183 schwarze 640: line, ppos, "%s breaks %s",
1.219 schwarze 641: roff_name[atok], roff_name[later->tok]);
1.183 schwarze 642:
1.166 schwarze 643: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 644: atok, body);
1.151 schwarze 645:
1.183 schwarze 646: if (tok == MDOC_El)
1.210 schwarze 647: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 648:
1.151 schwarze 649: /*
650: * If a block closing macro taking arguments
651: * breaks another block, put the arguments
1.166 schwarze 652: * into the end marker.
1.151 schwarze 653: */
654:
1.166 schwarze 655: if (maxargs)
1.189 schwarze 656: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 657: break;
1.182 schwarze 658: }
659:
1.214 schwarze 660: /*
661: * Explicit blocks close out description lines, but
662: * even those can get broken together with a child.
663: */
1.182 schwarze 664:
665: if (n->tok == MDOC_Nd) {
1.214 schwarze 666: if (later != NULL)
667: n->flags |= NODE_BROKEN | NODE_ENDED;
668: else
669: rew_last(mdoc, n);
1.182 schwarze 670: continue;
1.83 schwarze 671: }
672:
1.183 schwarze 673: /* Breaking an open sub block. */
1.151 schwarze 674:
1.213 schwarze 675: break_intermediate(mdoc->last, body);
1.210 schwarze 676: n->flags |= NODE_BROKEN;
1.183 schwarze 677: if (later == NULL)
1.83 schwarze 678: later = n;
679: }
1.166 schwarze 680:
681: if (body == NULL) {
1.227 schwarze 682: mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
683: "%s", roff_name[tok]);
1.166 schwarze 684: if (maxargs && endbody == NULL) {
685: /*
686: * Stray .Ec without previous .Eo:
687: * Break the output line, keep the arguments.
688: */
1.221 schwarze 689: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
690: rew_elem(mdoc, ROFF_br);
1.166 schwarze 691: }
692: } else if (endbody == NULL) {
693: rew_last(mdoc, body);
694: if (maxargs)
695: mdoc_tail_alloc(mdoc, line, ppos, atok);
696: }
1.83 schwarze 697:
1.225 schwarze 698: if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
1.150 schwarze 699: if (buf[*pos] != '\0')
1.227 schwarze 700: mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
701: "%s %s", roff_name[tok], buf + *pos);
1.171 schwarze 702: if (endbody == NULL && n != NULL)
1.167 schwarze 703: rew_pending(mdoc, n);
1.231 schwarze 704:
705: /*
706: * Restore the fill mode that was set before the display.
707: * This needs to be done here rather than during validation
708: * such that subsequent nodes get the right flags.
709: */
710:
711: if (tok == MDOC_Ed && body != NULL) {
712: if (body->flags & NODE_NOFILL)
713: mdoc->flags |= ROFF_NOFILL;
714: else
715: mdoc->flags &= ~ROFF_NOFILL;
716: }
1.151 schwarze 717: return;
1.1 kristaps 718: }
719:
1.166 schwarze 720: if (endbody != NULL)
721: n = endbody;
1.197 schwarze 722:
723: ntok = TOKEN_NONE;
1.148 schwarze 724: for (j = 0; ; j++) {
1.1 kristaps 725: lastarg = *pos;
726:
1.186 schwarze 727: if (j == maxargs && n != NULL)
728: rew_last(mdoc, n);
1.1 kristaps 729:
1.119 schwarze 730: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 731: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 732: break;
733:
1.224 schwarze 734: ntok = lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 735:
1.191 schwarze 736: if (ntok == TOKEN_NONE) {
1.150 schwarze 737: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.225 schwarze 738: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 schwarze 739: if (ac == ARGS_ALLOC)
740: free(p);
1.54 kristaps 741: continue;
742: }
1.228 schwarze 743: if (ac == ARGS_ALLOC)
744: free(p);
1.1 kristaps 745:
1.186 schwarze 746: if (n != NULL)
747: rew_last(mdoc, n);
1.122 schwarze 748: mdoc->flags &= ~MDOC_NEWLINE;
1.225 schwarze 749: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 750: break;
1.1 kristaps 751: }
752:
1.188 schwarze 753: if (n != NULL) {
1.212 schwarze 754: pending = 0;
1.210 schwarze 755: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 756: target = n;
757: do
758: target = target->parent;
1.210 schwarze 759: while ( ! (target->flags & NODE_ENDED));
1.215 schwarze 760: pending = find_pending(mdoc, ntok, line, ppos, target);
1.212 schwarze 761: }
1.188 schwarze 762: if ( ! pending)
763: rew_pending(mdoc, n);
764: }
1.150 schwarze 765: if (nl)
766: append_delims(mdoc, line, pos, buf);
1.1 kristaps 767: }
768:
1.151 schwarze 769: static void
1.1 kristaps 770: in_line(MACRO_PROT_ARGS)
771: {
1.144 schwarze 772: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.219 schwarze 773: enum roff_tok ntok;
1.55 kristaps 774: enum margserr ac;
1.67 schwarze 775: enum mdelim d;
1.53 kristaps 776: struct mdoc_arg *arg;
777: char *p;
1.1 kristaps 778:
1.119 schwarze 779: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 780:
1.4 kristaps 781: /*
782: * Whether we allow ignored elements (those without content,
783: * usually because of reserved words) to squeak by.
784: */
1.45 kristaps 785:
1.4 kristaps 786: switch (tok) {
1.131 schwarze 787: case MDOC_An:
788: case MDOC_Ar:
789: case MDOC_Fl:
790: case MDOC_Mt:
791: case MDOC_Nm:
792: case MDOC_Pa:
1.4 kristaps 793: nc = 1;
794: break;
795: default:
796: nc = 0;
797: break;
798: }
799:
1.152 schwarze 800: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 801:
1.144 schwarze 802: d = DELIM_NONE;
803: firstarg = 1;
1.142 schwarze 804: mayopen = 1;
1.70 kristaps 805: for (cnt = scope = 0;; ) {
1.1 kristaps 806: la = *pos;
1.119 schwarze 807: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 808:
1.144 schwarze 809: /*
810: * At the end of a macro line,
811: * opening delimiters do not suppress spacing.
812: */
813:
814: if (ac == ARGS_EOLN) {
815: if (d == DELIM_OPEN)
1.210 schwarze 816: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 817: break;
1.144 schwarze 818: }
819:
820: /*
821: * The rest of the macro line is only punctuation,
822: * to be handled by append_delims().
823: * If there were no other arguments,
824: * do not allow the first one to suppress spacing,
825: * even if it turns out to be a closing one.
826: */
827:
828: if (ac == ARGS_PUNCT) {
1.176 schwarze 829: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 830: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 831: break;
1.144 schwarze 832: }
1.1 kristaps 833:
1.224 schwarze 834: ntok = (tok == MDOC_Fn && !cnt) ?
1.191 schwarze 835: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 836:
1.131 schwarze 837: /*
1.4 kristaps 838: * In this case, we've located a submacro and must
839: * execute it. Close out scope, if open. If no
840: * elements have been generated, either create one (nc)
841: * or raise a warning.
842: */
1.1 kristaps 843:
1.191 schwarze 844: if (ntok != TOKEN_NONE) {
1.149 schwarze 845: if (scope)
846: rew_elem(mdoc, tok);
1.150 schwarze 847: if (nc && ! cnt) {
848: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 849: rew_last(mdoc, mdoc->last);
1.150 schwarze 850: } else if ( ! nc && ! cnt) {
1.7 kristaps 851: mdoc_argv_free(arg);
1.135 schwarze 852: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1.227 schwarze 853: line, ppos, "%s", roff_name[tok]);
1.7 kristaps 854: }
1.225 schwarze 855: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
856: line, la, pos, buf);
1.150 schwarze 857: if (nl)
858: append_delims(mdoc, line, pos, buf);
1.228 schwarze 859: if (ac == ARGS_ALLOC)
860: free(p);
1.151 schwarze 861: return;
1.131 schwarze 862: }
1.1 kristaps 863:
1.131 schwarze 864: /*
1.224 schwarze 865: * Handle punctuation. Set up our scope, if a word;
866: * rewind the scope, if a delimiter; then append the word.
1.4 kristaps 867: */
1.1 kristaps 868:
1.224 schwarze 869: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.70 kristaps 870: /*
871: * If we encounter closing punctuation, no word
1.144 schwarze 872: * has been emitted, no scope is open, and we're
1.70 kristaps 873: * allowed to have an empty element, then start
1.142 schwarze 874: * a new scope.
1.70 kristaps 875: */
1.142 schwarze 876: if ((d == DELIM_CLOSE ||
877: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 878: !cnt && !scope && nc && mayopen) {
1.150 schwarze 879: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 880: scope = 1;
1.142 schwarze 881: cnt++;
1.150 schwarze 882: if (tok == MDOC_Nm)
1.142 schwarze 883: mayopen = 0;
1.70 kristaps 884: }
885: /*
886: * Close out our scope, if one is open, before
887: * any punctuation.
888: */
1.224 schwarze 889: if (scope && tok != MDOC_Lk) {
1.149 schwarze 890: rew_elem(mdoc, tok);
1.224 schwarze 891: scope = 0;
892: if (tok == MDOC_Fn)
893: mayopen = 0;
894: }
1.142 schwarze 895: } else if (mayopen && !scope) {
1.150 schwarze 896: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 897: scope = 1;
1.142 schwarze 898: cnt++;
1.1 kristaps 899: }
1.105 kristaps 900:
1.150 schwarze 901: dword(mdoc, line, la, p, d,
1.225 schwarze 902: mdoc_macro(tok)->flags & MDOC_JOIN);
1.39 kristaps 903:
1.228 schwarze 904: if (ac == ARGS_ALLOC)
905: free(p);
906:
1.39 kristaps 907: /*
1.144 schwarze 908: * If the first argument is a closing delimiter,
909: * do not suppress spacing before it.
910: */
911:
912: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 913: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 914: firstarg = 0;
915:
916: /*
1.39 kristaps 917: * `Fl' macros have their scope re-opened with each new
918: * word so that the `-' can be added to each one without
919: * having to parse out spaces.
920: */
1.150 schwarze 921: if (scope && tok == MDOC_Fl) {
1.149 schwarze 922: rew_elem(mdoc, tok);
1.70 kristaps 923: scope = 0;
1.39 kristaps 924: }
1.1 kristaps 925: }
926:
1.218 schwarze 927: if (scope && tok != MDOC_Lk) {
1.149 schwarze 928: rew_elem(mdoc, tok);
1.218 schwarze 929: scope = 0;
930: }
1.4 kristaps 931:
932: /*
933: * If no elements have been collected and we're allowed to have
934: * empties (nc), open a scope and close it out. Otherwise,
935: * raise a warning.
936: */
1.45 kristaps 937:
1.150 schwarze 938: if ( ! cnt) {
939: if (nc) {
940: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
941: rew_last(mdoc, mdoc->last);
942: } else {
943: mdoc_argv_free(arg);
1.227 schwarze 944: mandoc_msg(MANDOCERR_MACRO_EMPTY,
945: line, ppos, "%s", roff_name[tok]);
1.150 schwarze 946: }
1.7 kristaps 947: }
1.150 schwarze 948: if (nl)
949: append_delims(mdoc, line, pos, buf);
1.218 schwarze 950: if (scope)
951: rew_elem(mdoc, tok);
1.1 kristaps 952: }
953:
1.151 schwarze 954: static void
1.1 kristaps 955: blk_full(MACRO_PROT_ARGS)
956: {
957: struct mdoc_arg *arg;
1.185 schwarze 958: struct roff_node *blk; /* Our own or a broken block. */
959: struct roff_node *head; /* Our own head. */
960: struct roff_node *body; /* Our own body. */
961: struct roff_node *n;
1.231 schwarze 962: char *p;
963: size_t iarg;
964: int done, la, nl, parsed;
1.59 kristaps 965: enum margserr ac, lac;
1.1 kristaps 966:
1.119 schwarze 967: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 968:
1.177 schwarze 969: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
1.227 schwarze 970: mandoc_msg(MANDOCERR_MACRO_EMPTY,
971: line, ppos, "%s", roff_name[tok]);
1.177 schwarze 972: return;
973: }
974:
1.225 schwarze 975: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.171 schwarze 976:
977: /* Here, tok is one of Sh Ss Nm Nd It. */
978:
979: blk = NULL;
980: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 981: if (n->flags & NODE_ENDED) {
982: if ( ! (n->flags & NODE_VALID))
983: n->flags |= NODE_BROKEN;
1.183 schwarze 984: continue;
985: }
1.184 schwarze 986: if (n->type != ROFFT_BLOCK)
1.171 schwarze 987: continue;
1.183 schwarze 988:
1.171 schwarze 989: if (tok == MDOC_It && n->tok == MDOC_Bl) {
990: if (blk != NULL) {
1.227 schwarze 991: mandoc_msg(MANDOCERR_BLK_BROKEN,
992: line, ppos, "It breaks %s",
1.219 schwarze 993: roff_name[blk->tok]);
1.171 schwarze 994: rew_pending(mdoc, blk);
995: }
996: break;
997: }
998:
1.225 schwarze 999: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.171 schwarze 1000: switch (tok) {
1001: case MDOC_Sh:
1002: case MDOC_Ss:
1.227 schwarze 1003: mandoc_msg(MANDOCERR_BLK_BROKEN,
1004: line, ppos,
1.219 schwarze 1005: "%s breaks %s", roff_name[tok],
1006: roff_name[n->tok]);
1.171 schwarze 1007: rew_pending(mdoc, n);
1.180 schwarze 1008: n = mdoc->last;
1.171 schwarze 1009: continue;
1010: case MDOC_It:
1011: /* Delay in case it's astray. */
1012: blk = n;
1013: continue;
1014: default:
1015: break;
1016: }
1017: break;
1018: }
1019:
1020: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 1021:
1.171 schwarze 1022: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1023: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1024: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 1025: break;
1.171 schwarze 1026:
1027: /* Item breaking an explicit block. */
1028:
1029: if (blk != NULL) {
1.227 schwarze 1030: mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
1.219 schwarze 1031: "It breaks %s", roff_name[blk->tok]);
1.171 schwarze 1032: rew_pending(mdoc, blk);
1.172 schwarze 1033: blk = NULL;
1.171 schwarze 1034: }
1035:
1036: /* Close out prior implicit scopes. */
1037:
1.211 schwarze 1038: rew_pending(mdoc, n);
1.171 schwarze 1039: }
1040:
1041: /* Skip items outside lists. */
1042:
1043: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.227 schwarze 1044: mandoc_msg(MANDOCERR_IT_STRAY,
1.138 schwarze 1045: line, ppos, "It %s", buf + *pos);
1.221 schwarze 1046: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1047: rew_elem(mdoc, ROFF_br);
1.151 schwarze 1048: return;
1.138 schwarze 1049: }
1.1 kristaps 1050: }
1051:
1.45 kristaps 1052: /*
1.109 kristaps 1053: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1054: * macro openings. Implicit ones first close out prior scope
1055: * (seen above). Delay opening the head until necessary to
1056: * allow leading punctuation to print. Special consideration
1057: * for `It -column', which has phrase-part syntax instead of
1058: * regular child nodes.
1059: */
1060:
1.232 schwarze 1061: switch (tok) {
1062: case MDOC_Sh:
1.231 schwarze 1063: mdoc->flags &= ~ROFF_NOFILL;
1.232 schwarze 1064: break;
1065: case MDOC_Ss:
1066: mdoc->flags |= ROFF_NONOFILL;
1067: break;
1068: default:
1069: break;
1070: }
1.152 schwarze 1071: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1072: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1073: head = body = NULL;
1.115 schwarze 1074:
1075: /*
1076: * Exception: Heads of `It' macros in `-diag' lists are not
1077: * parsed, even though `It' macros in general are parsed.
1078: */
1.151 schwarze 1079:
1.153 schwarze 1080: parsed = tok != MDOC_It ||
1081: mdoc->last->parent->tok != MDOC_Bl ||
1082: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1083:
1.45 kristaps 1084: /*
1085: * The `Nd' macro has all arguments in its body: it's a hybrid
1086: * of block partial-explicit and full-implicit. Stupid.
1087: */
1.19 kristaps 1088:
1.150 schwarze 1089: if (tok == MDOC_Nd) {
1.190 schwarze 1090: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1091: rew_last(mdoc, head);
1.190 schwarze 1092: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1093: }
1094:
1.150 schwarze 1095: if (tok == MDOC_Bk)
1.123 schwarze 1096: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1097:
1.205 schwarze 1098: ac = ARGS_EOLN;
1.150 schwarze 1099: for (;;) {
1.205 schwarze 1100:
1101: /*
1102: * If we are right after a tab character,
1103: * do not parse the first word for macros.
1104: */
1105:
1106: if (mdoc->flags & MDOC_PHRASEQN) {
1107: mdoc->flags &= ~MDOC_PHRASEQN;
1108: mdoc->flags |= MDOC_PHRASEQF;
1109: }
1110:
1.45 kristaps 1111: la = *pos;
1.150 schwarze 1112: lac = ac;
1.119 schwarze 1113: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1114: if (ac == ARGS_EOLN) {
1.205 schwarze 1115: if (lac != ARGS_PHRASE ||
1116: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1117: break;
1.205 schwarze 1118:
1.75 kristaps 1119: /*
1.205 schwarze 1120: * This line ends in a tab; start the next
1121: * column now, with a leading blank.
1.75 kristaps 1122: */
1.205 schwarze 1123:
1.167 schwarze 1124: if (body != NULL)
1125: rew_last(mdoc, body);
1.190 schwarze 1126: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1127: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1128: break;
1.75 kristaps 1129: }
1.205 schwarze 1130:
1.174 schwarze 1131: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1.227 schwarze 1132: mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
1133: "%s ... %s", roff_name[tok], buf + la);
1.228 schwarze 1134: if (ac == ARGS_ALLOC)
1135: free(p);
1.174 schwarze 1136: break;
1137: }
1.173 schwarze 1138: if (tok == MDOC_Rs) {
1.227 schwarze 1139: mandoc_msg(MANDOCERR_ARG_SKIP,
1.173 schwarze 1140: line, la, "Rs %s", buf + la);
1.228 schwarze 1141: if (ac == ARGS_ALLOC)
1142: free(p);
1.173 schwarze 1143: break;
1144: }
1145: if (ac == ARGS_PUNCT)
1146: break;
1.45 kristaps 1147:
1.131 schwarze 1148: /*
1.73 kristaps 1149: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1150: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1151: */
1.45 kristaps 1152:
1.150 schwarze 1153: if (head == NULL &&
1154: ac != ARGS_PHRASE &&
1155: mdoc_isdelim(p) == DELIM_OPEN) {
1156: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1157: if (ac == ARGS_ALLOC)
1158: free(p);
1.45 kristaps 1159: continue;
1160: }
1161:
1.74 kristaps 1162: /* Open a head if one hasn't been opened. */
1.45 kristaps 1163:
1.150 schwarze 1164: if (head == NULL)
1.190 schwarze 1165: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1166:
1.205 schwarze 1167: if (ac == ARGS_PHRASE) {
1.151 schwarze 1168:
1.73 kristaps 1169: /*
1.74 kristaps 1170: * If we haven't opened a body yet, rewind the
1171: * head; if we have, rewind that instead.
1172: */
1173:
1.167 schwarze 1174: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1175: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1176:
1.205 schwarze 1177: /* Process to the tab or to the end of the line. */
1.74 kristaps 1178:
1.205 schwarze 1179: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1180: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1181: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1182:
1183: /* There may have been `Ta' macros. */
1184:
1185: while (body->next != NULL)
1186: body = body->next;
1.1 kristaps 1187: continue;
1188: }
1189:
1.228 schwarze 1190: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
1191: if (ac == ARGS_ALLOC)
1192: free(p);
1193: if (done)
1.151 schwarze 1194: break;
1.45 kristaps 1195: }
1.1 kristaps 1196:
1.210 schwarze 1197: if (blk->flags & NODE_VALID)
1.165 schwarze 1198: return;
1.150 schwarze 1199: if (head == NULL)
1.190 schwarze 1200: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1201: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1202: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1203: if (body != NULL)
1.77 kristaps 1204: goto out;
1.187 schwarze 1205: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1206: return;
1.47 kristaps 1207:
1.45 kristaps 1208: /* Close out scopes to remain in a consistent state. */
1209:
1.167 schwarze 1210: rew_last(mdoc, head);
1.190 schwarze 1211: body = roff_body_alloc(mdoc, line, ppos, tok);
1.232 schwarze 1212: if (tok == MDOC_Ss)
1213: mdoc->flags &= ~ROFF_NONOFILL;
1.231 schwarze 1214:
1215: /*
1216: * Set up fill mode for display blocks.
1217: * This needs to be done here up front rather than during
1218: * validation such that child nodes get the right flags.
1219: */
1220:
1221: if (tok == MDOC_Bd && arg != NULL) {
1222: for (iarg = 0; iarg < arg->argc; iarg++) {
1223: switch (arg->argv[iarg].arg) {
1224: case MDOC_Unfilled:
1225: case MDOC_Literal:
1226: mdoc->flags |= ROFF_NOFILL;
1227: break;
1228: case MDOC_Filled:
1229: case MDOC_Ragged:
1230: case MDOC_Centred:
1231: mdoc->flags &= ~ROFF_NOFILL;
1232: break;
1233: default:
1234: continue;
1235: }
1236: break;
1237: }
1238: }
1.77 kristaps 1239: out:
1.150 schwarze 1240: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1241: rew_last(mdoc, body);
1242: rew_last(mdoc, blk);
1.150 schwarze 1243: mdoc->flags &= ~MDOC_FREECOL;
1244: }
1.1 kristaps 1245: }
1246:
1.151 schwarze 1247: static void
1.1 kristaps 1248: blk_part_imp(MACRO_PROT_ARGS)
1249: {
1.228 schwarze 1250: int done, la, nl;
1.55 kristaps 1251: enum margserr ac;
1.1 kristaps 1252: char *p;
1.185 schwarze 1253: struct roff_node *blk; /* saved block context */
1254: struct roff_node *body; /* saved body context */
1255: struct roff_node *n;
1.1 kristaps 1256:
1.119 schwarze 1257: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1258:
1.43 kristaps 1259: /*
1260: * A macro that spans to the end of the line. This is generally
1261: * (but not necessarily) called as the first macro. The block
1262: * has a head as the immediate child, which is always empty,
1263: * followed by zero or more opening punctuation nodes, then the
1264: * body (which may be empty, depending on the macro), then zero
1265: * or more closing punctuation nodes.
1266: */
1.32 kristaps 1267:
1.150 schwarze 1268: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1269: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1270:
1.43 kristaps 1271: /*
1272: * Open the body scope "on-demand", that is, after we've
1273: * processed all our the leading delimiters (open parenthesis,
1274: * etc.).
1275: */
1.1 kristaps 1276:
1.43 kristaps 1277: for (body = NULL; ; ) {
1.32 kristaps 1278: la = *pos;
1.119 schwarze 1279: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1280: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1281: break;
1282:
1.224 schwarze 1283: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1284: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1285: if (ac == ARGS_ALLOC)
1286: free(p);
1.1 kristaps 1287: continue;
1.123 schwarze 1288: }
1.1 kristaps 1289:
1.150 schwarze 1290: if (body == NULL)
1.190 schwarze 1291: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1292:
1.228 schwarze 1293: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1294: if (ac == ARGS_ALLOC)
1295: free(p);
1296: if (done)
1.151 schwarze 1297: break;
1.1 kristaps 1298: }
1.150 schwarze 1299: if (body == NULL)
1.190 schwarze 1300: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1301:
1.187 schwarze 1302: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1303: return;
1304:
1.164 schwarze 1305: rew_last(mdoc, body);
1.150 schwarze 1306: if (nl)
1307: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1308: rew_pending(mdoc, blk);
1.117 schwarze 1309:
1310: /* Move trailing .Ns out of scope. */
1311:
1312: for (n = body->child; n && n->next; n = n->next)
1313: /* Do nothing. */ ;
1.150 schwarze 1314: if (n && n->tok == MDOC_Ns)
1.226 schwarze 1315: roff_node_relink(mdoc, n);
1.1 kristaps 1316: }
1317:
1.151 schwarze 1318: static void
1.1 kristaps 1319: blk_part_exp(MACRO_PROT_ARGS)
1320: {
1.228 schwarze 1321: int done, la, nl;
1.55 kristaps 1322: enum margserr ac;
1.185 schwarze 1323: struct roff_node *head; /* keep track of head */
1.1 kristaps 1324: char *p;
1325:
1.119 schwarze 1326: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1327:
1.43 kristaps 1328: /*
1329: * The opening of an explicit macro having zero or more leading
1330: * punctuation nodes; a head with optional single element (the
1331: * case of `Eo'); and a body that may be empty.
1332: */
1.32 kristaps 1333:
1.193 schwarze 1334: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1335: head = NULL;
1336: for (;;) {
1.32 kristaps 1337: la = *pos;
1.119 schwarze 1338: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1339: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1340: break;
1.43 kristaps 1341:
1342: /* Flush out leading punctuation. */
1343:
1.224 schwarze 1344: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1345: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1346: if (ac == ARGS_ALLOC)
1347: free(p);
1.43 kristaps 1348: continue;
1.123 schwarze 1349: }
1.43 kristaps 1350:
1.150 schwarze 1351: if (head == NULL) {
1.190 schwarze 1352: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1353: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1354: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1355: rew_last(mdoc, head);
1.190 schwarze 1356: roff_body_alloc(mdoc, line, ppos, tok);
1.228 schwarze 1357: if (tok == MDOC_Eo) {
1358: if (ac == ARGS_ALLOC)
1359: free(p);
1.43 kristaps 1360: continue;
1.228 schwarze 1361: }
1.1 kristaps 1362: }
1.43 kristaps 1363:
1.228 schwarze 1364: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1365: if (ac == ARGS_ALLOC)
1366: free(p);
1367: if (done)
1.151 schwarze 1368: break;
1.1 kristaps 1369: }
1370:
1.43 kristaps 1371: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1372:
1.163 schwarze 1373: if (head == NULL) {
1.190 schwarze 1374: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1375: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1376: }
1.150 schwarze 1377: if (nl)
1378: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1379: }
1380:
1.151 schwarze 1381: static void
1.1 kristaps 1382: in_line_argn(MACRO_PROT_ARGS)
1383: {
1.53 kristaps 1384: struct mdoc_arg *arg;
1385: char *p;
1.181 schwarze 1386: enum margserr ac;
1.219 schwarze 1387: enum roff_tok ntok;
1.181 schwarze 1388: int state; /* arg#; -1: not yet open; -2: closed */
1389: int la, maxargs, nl;
1.1 kristaps 1390:
1.156 schwarze 1391: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1392:
1.46 kristaps 1393: /*
1394: * A line macro that has a fixed number of arguments (maxargs).
1395: * Only open the scope once the first non-leading-punctuation is
1396: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1397: * keep it open until the maximum number of arguments are
1398: * exhausted.
1399: */
1.1 kristaps 1400:
1401: switch (tok) {
1.131 schwarze 1402: case MDOC_Ap:
1403: case MDOC_Ns:
1404: case MDOC_Ux:
1.1 kristaps 1405: maxargs = 0;
1406: break;
1.131 schwarze 1407: case MDOC_Bx:
1.132 schwarze 1408: case MDOC_Es:
1.131 schwarze 1409: case MDOC_Xr:
1.42 kristaps 1410: maxargs = 2;
1411: break;
1.1 kristaps 1412: default:
1413: maxargs = 1;
1414: break;
1415: }
1416:
1.152 schwarze 1417: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1418:
1.181 schwarze 1419: state = -1;
1.156 schwarze 1420: p = NULL;
1421: for (;;) {
1.32 kristaps 1422: la = *pos;
1.119 schwarze 1423: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1424:
1.228 schwarze 1425: if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
1.225 schwarze 1426: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.181 schwarze 1427: mdoc_isdelim(p) == DELIM_OPEN) {
1428: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1429: if (ac == ARGS_ALLOC)
1430: free(p);
1.181 schwarze 1431: continue;
1432: }
1433:
1434: if (state == -1 && tok != MDOC_In &&
1435: tok != MDOC_St && tok != MDOC_Xr) {
1436: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1437: state = 0;
1438: }
1439:
1.156 schwarze 1440: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1441: if (abs(state) < 2 && tok == MDOC_Pf)
1.227 schwarze 1442: mandoc_msg(MANDOCERR_PF_SKIP,
1443: line, ppos, "Pf %s",
1.156 schwarze 1444: p == NULL ? "at eol" : p);
1.1 kristaps 1445: break;
1.156 schwarze 1446: }
1.1 kristaps 1447:
1.181 schwarze 1448: if (state == maxargs) {
1.149 schwarze 1449: rew_elem(mdoc, tok);
1.181 schwarze 1450: state = -2;
1.46 kristaps 1451: }
1452:
1.224 schwarze 1453: ntok = (tok == MDOC_Pf && state == 0) ?
1.191 schwarze 1454: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1455:
1.191 schwarze 1456: if (ntok != TOKEN_NONE) {
1.181 schwarze 1457: if (state >= 0) {
1.149 schwarze 1458: rew_elem(mdoc, tok);
1.181 schwarze 1459: state = -2;
1460: }
1.225 schwarze 1461: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
1462: line, la, pos, buf);
1.228 schwarze 1463: if (ac == ARGS_ALLOC)
1464: free(p);
1.1 kristaps 1465: break;
1466: }
1467:
1.225 schwarze 1468: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.181 schwarze 1469: mdoc_isdelim(p) == DELIM_NONE) {
1470: if (state == -1) {
1471: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1472: state = 1;
1473: } else if (state >= 0)
1474: state++;
1475: } else if (state >= 0) {
1.149 schwarze 1476: rew_elem(mdoc, tok);
1.181 schwarze 1477: state = -2;
1.1 kristaps 1478: }
1.42 kristaps 1479:
1.150 schwarze 1480: dword(mdoc, line, la, p, DELIM_MAX,
1.225 schwarze 1481: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 schwarze 1482: if (ac == ARGS_ALLOC)
1483: free(p);
1484: p = mdoc->last->string;
1.1 kristaps 1485: }
1486:
1.181 schwarze 1487: if (state == -1) {
1.227 schwarze 1488: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1489: line, ppos, "%s", roff_name[tok]);
1.181 schwarze 1490: return;
1.156 schwarze 1491: }
1.181 schwarze 1492:
1493: if (state == 0 && tok == MDOC_Pf)
1494: append_delims(mdoc, line, pos, buf);
1495: if (state >= 0)
1.149 schwarze 1496: rew_elem(mdoc, tok);
1.150 schwarze 1497: if (nl)
1498: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1499: }
1500:
1.151 schwarze 1501: static void
1.1 kristaps 1502: in_line_eoln(MACRO_PROT_ARGS)
1503: {
1.185 schwarze 1504: struct roff_node *n;
1.170 schwarze 1505: struct mdoc_arg *arg;
1.1 kristaps 1506:
1.170 schwarze 1507: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1508: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1509: n = mdoc->last;
1.189 schwarze 1510: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1511: n = n->parent;
1512: if (n->tok == MDOC_Nm)
1.198 schwarze 1513: rew_last(mdoc, n->parent);
1.178 schwarze 1514: }
1.235 schwarze 1515:
1516: #if DEBUG_MEMORY
1517: if (tok == MDOC_Dt)
1518: mandoc_dbg_name(buf);
1519: #endif
1.178 schwarze 1520:
1.179 schwarze 1521: if (buf[*pos] == '\0' &&
1.219 schwarze 1522: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.227 schwarze 1523: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1524: line, ppos, "%s", roff_name[tok]);
1.178 schwarze 1525: return;
1.170 schwarze 1526: }
1.90 schwarze 1527:
1.152 schwarze 1528: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1529: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1530: if (parse_rest(mdoc, tok, line, pos, buf))
1531: return;
1532: rew_elem(mdoc, tok);
1533: }
1534:
1535: /*
1536: * The simplest argument parser available: Parse the remaining
1537: * words until the end of the phrase or line and return 0
1538: * or until the next macro, call that macro, and return 1.
1539: */
1540: static int
1.219 schwarze 1541: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1542: int line, int *pos, char *buf)
1.154 schwarze 1543: {
1.228 schwarze 1544: char *p;
1545: int done, la;
1546: enum margserr ac;
1.1 kristaps 1547:
1548: for (;;) {
1549: la = *pos;
1.228 schwarze 1550: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1551: if (ac == ARGS_EOLN)
1.202 schwarze 1552: return 0;
1.228 schwarze 1553: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1554: if (ac == ARGS_ALLOC)
1555: free(p);
1556: if (done)
1.202 schwarze 1557: return 1;
1.1 kristaps 1558: }
1559: }
1560:
1.151 schwarze 1561: static void
1.41 kristaps 1562: ctx_synopsis(MACRO_PROT_ARGS)
1563: {
1.60 kristaps 1564:
1.151 schwarze 1565: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1566: in_line(mdoc, tok, line, ppos, pos, buf);
1567: else if (tok == MDOC_Nm)
1568: blk_full(mdoc, tok, line, ppos, pos, buf);
1569: else {
1570: assert(tok == MDOC_Vt);
1571: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1572: }
1.1 kristaps 1573: }
1574:
1.24 kristaps 1575: /*
1576: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1577: * They're unusual because they're basically free-form text until a
1578: * macro is encountered.
1579: */
1.151 schwarze 1580: static void
1.75 kristaps 1581: phrase_ta(MACRO_PROT_ARGS)
1582: {
1.185 schwarze 1583: struct roff_node *body, *n;
1.75 kristaps 1584:
1.121 schwarze 1585: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1586:
1.167 schwarze 1587: body = NULL;
1588: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1589: if (n->flags & NODE_ENDED)
1.167 schwarze 1590: continue;
1.184 schwarze 1591: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1592: body = n;
1.208 schwarze 1593: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1594: break;
1595: }
1596:
1.151 schwarze 1597: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.227 schwarze 1598: mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
1.151 schwarze 1599: return;
1.121 schwarze 1600: }
1.75 kristaps 1601:
1.121 schwarze 1602: /* Advance to the next column. */
1.150 schwarze 1603:
1.167 schwarze 1604: rew_last(mdoc, body);
1.190 schwarze 1605: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1606: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1607: }
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