Annotation of mandoc/mdoc_macro.c, Revision 1.235
1.235 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.234 2020/01/19 18:02:00 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:
1.123 schwarze 451: if (may_append &&
1.150 schwarze 452: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 453: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 454: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 455: roff_word_append(mdoc, p);
1.150 schwarze 456: return;
1.123 schwarze 457: }
458:
1.192 schwarze 459: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 460:
1.108 schwarze 461: /*
1.144 schwarze 462: * If the word consists of a bare delimiter,
463: * flag the new node accordingly,
464: * unless doing so was vetoed by the invoking macro.
465: * Always clear the veto, it is only valid for one word.
1.108 schwarze 466: */
467:
1.144 schwarze 468: if (d == DELIM_OPEN)
1.210 schwarze 469: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 470: else if (d == DELIM_CLOSE &&
471: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 472: mdoc->last->parent->tok != MDOC_Fd)
1.210 schwarze 473: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 474: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 475: }
1.1 kristaps 476:
1.150 schwarze 477: static void
1.189 schwarze 478: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 479: {
1.153 schwarze 480: char *p;
1.66 kristaps 481: int la;
1.228 schwarze 482: enum margserr ac;
1.1 kristaps 483:
1.150 schwarze 484: if (buf[*pos] == '\0')
485: return;
1.1 kristaps 486:
487: for (;;) {
1.66 kristaps 488: la = *pos;
1.228 schwarze 489: ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p);
490: if (ac == ARGS_EOLN)
1.1 kristaps 491: break;
1.123 schwarze 492: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 493:
494: /*
495: * If we encounter end-of-sentence symbols, then trigger
496: * the double-space.
497: *
1.109 kristaps 498: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 499: * the last symbol, such that `. )' will cause the
500: * correct double-spacing. However, (1) groff isn't
501: * smart enough to do this and (2) it would require
502: * knowing which symbols break this behaviour, for
1.109 kristaps 503: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 504: */
1.150 schwarze 505:
1.127 schwarze 506: if (mandoc_eos(p, strlen(p)))
1.210 schwarze 507: mdoc->last->flags |= NODE_EOS;
1.228 schwarze 508: if (ac == ARGS_ALLOC)
509: free(p);
1.1 kristaps 510: }
511: }
512:
513: /*
1.153 schwarze 514: * Parse one word.
515: * If it is a macro, call it and return 1.
516: * Otherwise, allocate it and return 0.
517: */
518: static int
1.228 schwarze 519: macro_or_word(MACRO_PROT_ARGS, char *p, int parsed)
1.153 schwarze 520: {
1.185 schwarze 521: int ntok;
1.153 schwarze 522:
1.228 schwarze 523: ntok = buf[ppos] == '"' || parsed == 0 ||
524: mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE :
525: lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 526:
1.191 schwarze 527: if (ntok == TOKEN_NONE) {
528: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.225 schwarze 529: mdoc_macro(tok)->flags & MDOC_JOIN);
1.202 schwarze 530: return 0;
1.153 schwarze 531: } else {
1.219 schwarze 532: if (tok != TOKEN_NONE &&
1.225 schwarze 533: mdoc_macro(tok)->fp == in_line_eoln)
1.153 schwarze 534: rew_elem(mdoc, tok);
1.225 schwarze 535: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 536: if (tok == TOKEN_NONE)
1.153 schwarze 537: append_delims(mdoc, line, pos, buf);
1.202 schwarze 538: return 1;
1.153 schwarze 539: }
540: }
541:
542: /*
1.131 schwarze 543: * Close out block partial/full explicit.
1.1 kristaps 544: */
1.151 schwarze 545: static void
1.1 kristaps 546: blk_exp_close(MACRO_PROT_ARGS)
547: {
1.185 schwarze 548: struct roff_node *body; /* Our own body. */
549: struct roff_node *endbody; /* Our own end marker. */
550: struct roff_node *itblk; /* An It block starting later. */
551: struct roff_node *later; /* A sub-block starting later. */
552: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 553: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 554:
1.188 schwarze 555: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 556: enum margserr ac;
1.219 schwarze 557: enum roff_tok atok, ntok;
1.1 kristaps 558: char *p;
559:
1.119 schwarze 560: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 561:
1.1 kristaps 562: switch (tok) {
1.131 schwarze 563: case MDOC_Ec:
1.1 kristaps 564: maxargs = 1;
565: break;
1.131 schwarze 566: case MDOC_Ek:
1.125 schwarze 567: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 568: /* FALLTHROUGH */
1.1 kristaps 569: default:
570: maxargs = 0;
571: break;
572: }
573:
1.209 schwarze 574: /* Search backwards for the beginning of our own body. */
575:
576: atok = rew_alt(tok);
577: body = NULL;
578: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 579: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 580: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
581: continue;
582: body = n;
583: break;
584: }
585:
1.83 schwarze 586: /*
587: * Search backwards for beginnings of blocks,
588: * both of our own and of pending sub-blocks.
589: */
1.151 schwarze 590:
1.209 schwarze 591: endbody = itblk = later = NULL;
1.119 schwarze 592: for (n = mdoc->last; n; n = n->parent) {
1.213 schwarze 593: if (n->flags & NODE_ENDED)
1.83 schwarze 594: continue;
595:
1.209 schwarze 596: /*
1.211 schwarze 597: * Mismatching end macros can never break anything
1.209 schwarze 598: * and we only care about the breaking of BLOCKs.
599: */
1.83 schwarze 600:
1.211 schwarze 601: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 602: continue;
1.160 schwarze 603:
1.211 schwarze 604: /*
605: * SYNOPSIS name blocks can not be broken themselves,
606: * but they do get broken together with a broken child.
607: */
608:
609: if (n->tok == MDOC_Nm) {
610: if (later != NULL)
611: n->flags |= NODE_BROKEN | NODE_ENDED;
612: continue;
613: }
614:
1.160 schwarze 615: if (n->tok == MDOC_It) {
1.171 schwarze 616: itblk = n;
1.160 schwarze 617: continue;
618: }
619:
1.83 schwarze 620: if (atok == n->tok) {
621:
622: /*
623: * Found the start of our own block.
624: * When there is no pending sub block,
625: * just proceed to closing out.
626: */
1.151 schwarze 627:
1.160 schwarze 628: if (later == NULL ||
1.171 schwarze 629: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 630: break;
631:
1.131 schwarze 632: /*
1.167 schwarze 633: * When there is a pending sub block, postpone
634: * closing out the current block until the
635: * rew_pending() closing out the sub-block.
1.83 schwarze 636: * Mark the place where the formatting - but not
637: * the scope - of the current block ends.
638: */
1.151 schwarze 639:
1.227 schwarze 640: mandoc_msg(MANDOCERR_BLK_NEST,
1.183 schwarze 641: line, ppos, "%s breaks %s",
1.219 schwarze 642: roff_name[atok], roff_name[later->tok]);
1.183 schwarze 643:
1.166 schwarze 644: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 645: atok, body);
1.151 schwarze 646:
1.183 schwarze 647: if (tok == MDOC_El)
1.210 schwarze 648: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 649:
1.151 schwarze 650: /*
651: * If a block closing macro taking arguments
652: * breaks another block, put the arguments
1.166 schwarze 653: * into the end marker.
1.151 schwarze 654: */
655:
1.166 schwarze 656: if (maxargs)
1.189 schwarze 657: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 658: break;
1.182 schwarze 659: }
660:
1.214 schwarze 661: /*
662: * Explicit blocks close out description lines, but
663: * even those can get broken together with a child.
664: */
1.182 schwarze 665:
666: if (n->tok == MDOC_Nd) {
1.214 schwarze 667: if (later != NULL)
668: n->flags |= NODE_BROKEN | NODE_ENDED;
669: else
670: rew_last(mdoc, n);
1.182 schwarze 671: continue;
1.83 schwarze 672: }
673:
1.183 schwarze 674: /* Breaking an open sub block. */
1.151 schwarze 675:
1.213 schwarze 676: break_intermediate(mdoc->last, body);
1.210 schwarze 677: n->flags |= NODE_BROKEN;
1.183 schwarze 678: if (later == NULL)
1.83 schwarze 679: later = n;
680: }
1.166 schwarze 681:
682: if (body == NULL) {
1.227 schwarze 683: mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
684: "%s", roff_name[tok]);
1.166 schwarze 685: if (maxargs && endbody == NULL) {
686: /*
687: * Stray .Ec without previous .Eo:
688: * Break the output line, keep the arguments.
689: */
1.221 schwarze 690: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
691: rew_elem(mdoc, ROFF_br);
1.166 schwarze 692: }
693: } else if (endbody == NULL) {
694: rew_last(mdoc, body);
695: if (maxargs)
696: mdoc_tail_alloc(mdoc, line, ppos, atok);
697: }
1.83 schwarze 698:
1.225 schwarze 699: if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
1.150 schwarze 700: if (buf[*pos] != '\0')
1.227 schwarze 701: mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
702: "%s %s", roff_name[tok], buf + *pos);
1.171 schwarze 703: if (endbody == NULL && n != NULL)
1.167 schwarze 704: rew_pending(mdoc, n);
1.231 schwarze 705:
706: /*
707: * Restore the fill mode that was set before the display.
708: * This needs to be done here rather than during validation
709: * such that subsequent nodes get the right flags.
710: */
711:
712: if (tok == MDOC_Ed && body != NULL) {
713: if (body->flags & NODE_NOFILL)
714: mdoc->flags |= ROFF_NOFILL;
715: else
716: mdoc->flags &= ~ROFF_NOFILL;
717: }
1.151 schwarze 718: return;
1.1 kristaps 719: }
720:
1.166 schwarze 721: if (endbody != NULL)
722: n = endbody;
1.197 schwarze 723:
724: ntok = TOKEN_NONE;
1.148 schwarze 725: for (j = 0; ; j++) {
1.1 kristaps 726: lastarg = *pos;
727:
1.186 schwarze 728: if (j == maxargs && n != NULL)
729: rew_last(mdoc, n);
1.1 kristaps 730:
1.119 schwarze 731: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 732: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 733: break;
734:
1.224 schwarze 735: ntok = lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 736:
1.191 schwarze 737: if (ntok == TOKEN_NONE) {
1.150 schwarze 738: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.225 schwarze 739: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 schwarze 740: if (ac == ARGS_ALLOC)
741: free(p);
1.54 kristaps 742: continue;
743: }
1.228 schwarze 744: if (ac == ARGS_ALLOC)
745: free(p);
1.1 kristaps 746:
1.186 schwarze 747: if (n != NULL)
748: rew_last(mdoc, n);
1.122 schwarze 749: mdoc->flags &= ~MDOC_NEWLINE;
1.225 schwarze 750: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 751: break;
1.1 kristaps 752: }
753:
1.188 schwarze 754: if (n != NULL) {
1.212 schwarze 755: pending = 0;
1.210 schwarze 756: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 757: target = n;
758: do
759: target = target->parent;
1.210 schwarze 760: while ( ! (target->flags & NODE_ENDED));
1.215 schwarze 761: pending = find_pending(mdoc, ntok, line, ppos, target);
1.212 schwarze 762: }
1.188 schwarze 763: if ( ! pending)
764: rew_pending(mdoc, n);
765: }
1.150 schwarze 766: if (nl)
767: append_delims(mdoc, line, pos, buf);
1.1 kristaps 768: }
769:
1.151 schwarze 770: static void
1.1 kristaps 771: in_line(MACRO_PROT_ARGS)
772: {
1.144 schwarze 773: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.219 schwarze 774: enum roff_tok ntok;
1.55 kristaps 775: enum margserr ac;
1.67 schwarze 776: enum mdelim d;
1.53 kristaps 777: struct mdoc_arg *arg;
778: char *p;
1.1 kristaps 779:
1.119 schwarze 780: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 781:
1.4 kristaps 782: /*
783: * Whether we allow ignored elements (those without content,
784: * usually because of reserved words) to squeak by.
785: */
1.45 kristaps 786:
1.4 kristaps 787: switch (tok) {
1.131 schwarze 788: case MDOC_An:
789: case MDOC_Ar:
790: case MDOC_Fl:
791: case MDOC_Mt:
792: case MDOC_Nm:
793: case MDOC_Pa:
1.4 kristaps 794: nc = 1;
795: break;
796: default:
797: nc = 0;
798: break;
799: }
800:
1.152 schwarze 801: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 802:
1.144 schwarze 803: d = DELIM_NONE;
804: firstarg = 1;
1.142 schwarze 805: mayopen = 1;
1.70 kristaps 806: for (cnt = scope = 0;; ) {
1.1 kristaps 807: la = *pos;
1.119 schwarze 808: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 809:
1.144 schwarze 810: /*
811: * At the end of a macro line,
812: * opening delimiters do not suppress spacing.
813: */
814:
815: if (ac == ARGS_EOLN) {
816: if (d == DELIM_OPEN)
1.210 schwarze 817: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 818: break;
1.144 schwarze 819: }
820:
821: /*
822: * The rest of the macro line is only punctuation,
823: * to be handled by append_delims().
824: * If there were no other arguments,
825: * do not allow the first one to suppress spacing,
826: * even if it turns out to be a closing one.
827: */
828:
829: if (ac == ARGS_PUNCT) {
1.176 schwarze 830: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 831: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 832: break;
1.144 schwarze 833: }
1.1 kristaps 834:
1.224 schwarze 835: ntok = (tok == MDOC_Fn && !cnt) ?
1.191 schwarze 836: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 837:
1.131 schwarze 838: /*
1.4 kristaps 839: * In this case, we've located a submacro and must
840: * execute it. Close out scope, if open. If no
841: * elements have been generated, either create one (nc)
842: * or raise a warning.
843: */
1.1 kristaps 844:
1.191 schwarze 845: if (ntok != TOKEN_NONE) {
1.149 schwarze 846: if (scope)
847: rew_elem(mdoc, tok);
1.150 schwarze 848: if (nc && ! cnt) {
849: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 850: rew_last(mdoc, mdoc->last);
1.150 schwarze 851: } else if ( ! nc && ! cnt) {
1.7 kristaps 852: mdoc_argv_free(arg);
1.135 schwarze 853: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1.227 schwarze 854: line, ppos, "%s", roff_name[tok]);
1.7 kristaps 855: }
1.225 schwarze 856: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
857: line, la, pos, buf);
1.150 schwarze 858: if (nl)
859: append_delims(mdoc, line, pos, buf);
1.228 schwarze 860: if (ac == ARGS_ALLOC)
861: free(p);
1.151 schwarze 862: return;
1.131 schwarze 863: }
1.1 kristaps 864:
1.131 schwarze 865: /*
1.224 schwarze 866: * Handle punctuation. Set up our scope, if a word;
867: * rewind the scope, if a delimiter; then append the word.
1.4 kristaps 868: */
1.1 kristaps 869:
1.224 schwarze 870: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.70 kristaps 871: /*
872: * If we encounter closing punctuation, no word
1.144 schwarze 873: * has been emitted, no scope is open, and we're
1.70 kristaps 874: * allowed to have an empty element, then start
1.142 schwarze 875: * a new scope.
1.70 kristaps 876: */
1.142 schwarze 877: if ((d == DELIM_CLOSE ||
878: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 879: !cnt && !scope && nc && mayopen) {
1.150 schwarze 880: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 881: scope = 1;
1.142 schwarze 882: cnt++;
1.150 schwarze 883: if (tok == MDOC_Nm)
1.142 schwarze 884: mayopen = 0;
1.70 kristaps 885: }
886: /*
887: * Close out our scope, if one is open, before
888: * any punctuation.
889: */
1.224 schwarze 890: if (scope && tok != MDOC_Lk) {
1.149 schwarze 891: rew_elem(mdoc, tok);
1.224 schwarze 892: scope = 0;
893: if (tok == MDOC_Fn)
894: mayopen = 0;
895: }
1.142 schwarze 896: } else if (mayopen && !scope) {
1.150 schwarze 897: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 898: scope = 1;
1.142 schwarze 899: cnt++;
1.1 kristaps 900: }
1.105 kristaps 901:
1.150 schwarze 902: dword(mdoc, line, la, p, d,
1.225 schwarze 903: mdoc_macro(tok)->flags & MDOC_JOIN);
1.39 kristaps 904:
1.228 schwarze 905: if (ac == ARGS_ALLOC)
906: free(p);
907:
1.39 kristaps 908: /*
1.144 schwarze 909: * If the first argument is a closing delimiter,
910: * do not suppress spacing before it.
911: */
912:
913: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 914: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 915: firstarg = 0;
916:
917: /*
1.39 kristaps 918: * `Fl' macros have their scope re-opened with each new
919: * word so that the `-' can be added to each one without
920: * having to parse out spaces.
921: */
1.150 schwarze 922: if (scope && tok == MDOC_Fl) {
1.149 schwarze 923: rew_elem(mdoc, tok);
1.70 kristaps 924: scope = 0;
1.39 kristaps 925: }
1.1 kristaps 926: }
927:
1.218 schwarze 928: if (scope && tok != MDOC_Lk) {
1.149 schwarze 929: rew_elem(mdoc, tok);
1.218 schwarze 930: scope = 0;
931: }
1.4 kristaps 932:
933: /*
934: * If no elements have been collected and we're allowed to have
935: * empties (nc), open a scope and close it out. Otherwise,
936: * raise a warning.
937: */
1.45 kristaps 938:
1.150 schwarze 939: if ( ! cnt) {
940: if (nc) {
941: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
942: rew_last(mdoc, mdoc->last);
943: } else {
944: mdoc_argv_free(arg);
1.227 schwarze 945: mandoc_msg(MANDOCERR_MACRO_EMPTY,
946: line, ppos, "%s", roff_name[tok]);
1.150 schwarze 947: }
1.7 kristaps 948: }
1.150 schwarze 949: if (nl)
950: append_delims(mdoc, line, pos, buf);
1.218 schwarze 951: if (scope)
952: rew_elem(mdoc, tok);
1.1 kristaps 953: }
954:
1.151 schwarze 955: static void
1.1 kristaps 956: blk_full(MACRO_PROT_ARGS)
957: {
958: struct mdoc_arg *arg;
1.185 schwarze 959: struct roff_node *blk; /* Our own or a broken block. */
960: struct roff_node *head; /* Our own head. */
961: struct roff_node *body; /* Our own body. */
962: struct roff_node *n;
1.231 schwarze 963: char *p;
964: size_t iarg;
965: int done, la, nl, parsed;
1.59 kristaps 966: enum margserr ac, lac;
1.1 kristaps 967:
1.119 schwarze 968: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 969:
1.177 schwarze 970: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
1.227 schwarze 971: mandoc_msg(MANDOCERR_MACRO_EMPTY,
972: line, ppos, "%s", roff_name[tok]);
1.177 schwarze 973: return;
974: }
975:
1.225 schwarze 976: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.171 schwarze 977:
978: /* Here, tok is one of Sh Ss Nm Nd It. */
979:
980: blk = NULL;
981: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 982: if (n->flags & NODE_ENDED) {
983: if ( ! (n->flags & NODE_VALID))
984: n->flags |= NODE_BROKEN;
1.183 schwarze 985: continue;
986: }
1.184 schwarze 987: if (n->type != ROFFT_BLOCK)
1.171 schwarze 988: continue;
1.183 schwarze 989:
1.171 schwarze 990: if (tok == MDOC_It && n->tok == MDOC_Bl) {
991: if (blk != NULL) {
1.227 schwarze 992: mandoc_msg(MANDOCERR_BLK_BROKEN,
993: line, ppos, "It breaks %s",
1.219 schwarze 994: roff_name[blk->tok]);
1.171 schwarze 995: rew_pending(mdoc, blk);
996: }
997: break;
998: }
999:
1.225 schwarze 1000: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.171 schwarze 1001: switch (tok) {
1002: case MDOC_Sh:
1003: case MDOC_Ss:
1.227 schwarze 1004: mandoc_msg(MANDOCERR_BLK_BROKEN,
1005: line, ppos,
1.219 schwarze 1006: "%s breaks %s", roff_name[tok],
1007: roff_name[n->tok]);
1.171 schwarze 1008: rew_pending(mdoc, n);
1.180 schwarze 1009: n = mdoc->last;
1.171 schwarze 1010: continue;
1011: case MDOC_It:
1012: /* Delay in case it's astray. */
1013: blk = n;
1014: continue;
1015: default:
1016: break;
1017: }
1018: break;
1019: }
1020:
1021: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 1022:
1.171 schwarze 1023: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1024: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1025: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 1026: break;
1.171 schwarze 1027:
1028: /* Item breaking an explicit block. */
1029:
1030: if (blk != NULL) {
1.227 schwarze 1031: mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
1.219 schwarze 1032: "It breaks %s", roff_name[blk->tok]);
1.171 schwarze 1033: rew_pending(mdoc, blk);
1.172 schwarze 1034: blk = NULL;
1.171 schwarze 1035: }
1036:
1037: /* Close out prior implicit scopes. */
1038:
1.211 schwarze 1039: rew_pending(mdoc, n);
1.171 schwarze 1040: }
1041:
1042: /* Skip items outside lists. */
1043:
1044: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.227 schwarze 1045: mandoc_msg(MANDOCERR_IT_STRAY,
1.138 schwarze 1046: line, ppos, "It %s", buf + *pos);
1.221 schwarze 1047: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1048: rew_elem(mdoc, ROFF_br);
1.151 schwarze 1049: return;
1.138 schwarze 1050: }
1.1 kristaps 1051: }
1052:
1.45 kristaps 1053: /*
1.109 kristaps 1054: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1055: * macro openings. Implicit ones first close out prior scope
1056: * (seen above). Delay opening the head until necessary to
1057: * allow leading punctuation to print. Special consideration
1058: * for `It -column', which has phrase-part syntax instead of
1059: * regular child nodes.
1060: */
1061:
1.232 schwarze 1062: switch (tok) {
1063: case MDOC_Sh:
1.231 schwarze 1064: mdoc->flags &= ~ROFF_NOFILL;
1.232 schwarze 1065: break;
1066: case MDOC_Ss:
1067: mdoc->flags |= ROFF_NONOFILL;
1068: break;
1069: default:
1070: break;
1071: }
1.152 schwarze 1072: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1073: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1074: head = body = NULL;
1.115 schwarze 1075:
1076: /*
1077: * Exception: Heads of `It' macros in `-diag' lists are not
1078: * parsed, even though `It' macros in general are parsed.
1079: */
1.151 schwarze 1080:
1.153 schwarze 1081: parsed = tok != MDOC_It ||
1082: mdoc->last->parent->tok != MDOC_Bl ||
1083: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1084:
1.45 kristaps 1085: /*
1086: * The `Nd' macro has all arguments in its body: it's a hybrid
1087: * of block partial-explicit and full-implicit. Stupid.
1088: */
1.19 kristaps 1089:
1.150 schwarze 1090: if (tok == MDOC_Nd) {
1.190 schwarze 1091: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1092: rew_last(mdoc, head);
1.190 schwarze 1093: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1094: }
1095:
1.150 schwarze 1096: if (tok == MDOC_Bk)
1.123 schwarze 1097: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1098:
1.205 schwarze 1099: ac = ARGS_EOLN;
1.150 schwarze 1100: for (;;) {
1.205 schwarze 1101:
1102: /*
1103: * If we are right after a tab character,
1104: * do not parse the first word for macros.
1105: */
1106:
1107: if (mdoc->flags & MDOC_PHRASEQN) {
1108: mdoc->flags &= ~MDOC_PHRASEQN;
1109: mdoc->flags |= MDOC_PHRASEQF;
1110: }
1111:
1.45 kristaps 1112: la = *pos;
1.150 schwarze 1113: lac = ac;
1.119 schwarze 1114: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1115: if (ac == ARGS_EOLN) {
1.205 schwarze 1116: if (lac != ARGS_PHRASE ||
1117: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1118: break;
1.205 schwarze 1119:
1.75 kristaps 1120: /*
1.205 schwarze 1121: * This line ends in a tab; start the next
1122: * column now, with a leading blank.
1.75 kristaps 1123: */
1.205 schwarze 1124:
1.167 schwarze 1125: if (body != NULL)
1126: rew_last(mdoc, body);
1.190 schwarze 1127: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1128: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1129: break;
1.75 kristaps 1130: }
1.205 schwarze 1131:
1.174 schwarze 1132: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1.227 schwarze 1133: mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
1134: "%s ... %s", roff_name[tok], buf + la);
1.228 schwarze 1135: if (ac == ARGS_ALLOC)
1136: free(p);
1.174 schwarze 1137: break;
1138: }
1.173 schwarze 1139: if (tok == MDOC_Rs) {
1.227 schwarze 1140: mandoc_msg(MANDOCERR_ARG_SKIP,
1.173 schwarze 1141: line, la, "Rs %s", buf + la);
1.228 schwarze 1142: if (ac == ARGS_ALLOC)
1143: free(p);
1.173 schwarze 1144: break;
1145: }
1146: if (ac == ARGS_PUNCT)
1147: break;
1.45 kristaps 1148:
1.131 schwarze 1149: /*
1.73 kristaps 1150: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1151: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1152: */
1.45 kristaps 1153:
1.150 schwarze 1154: if (head == NULL &&
1155: ac != ARGS_PHRASE &&
1156: mdoc_isdelim(p) == DELIM_OPEN) {
1157: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1158: if (ac == ARGS_ALLOC)
1159: free(p);
1.45 kristaps 1160: continue;
1161: }
1162:
1.74 kristaps 1163: /* Open a head if one hasn't been opened. */
1.45 kristaps 1164:
1.150 schwarze 1165: if (head == NULL)
1.190 schwarze 1166: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1167:
1.205 schwarze 1168: if (ac == ARGS_PHRASE) {
1.151 schwarze 1169:
1.73 kristaps 1170: /*
1.74 kristaps 1171: * If we haven't opened a body yet, rewind the
1172: * head; if we have, rewind that instead.
1173: */
1174:
1.167 schwarze 1175: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1176: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1177:
1.205 schwarze 1178: /* Process to the tab or to the end of the line. */
1.74 kristaps 1179:
1.205 schwarze 1180: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1181: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1182: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1183:
1184: /* There may have been `Ta' macros. */
1185:
1186: while (body->next != NULL)
1187: body = body->next;
1.1 kristaps 1188: continue;
1189: }
1190:
1.228 schwarze 1191: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
1192: if (ac == ARGS_ALLOC)
1193: free(p);
1194: if (done)
1.151 schwarze 1195: break;
1.45 kristaps 1196: }
1.1 kristaps 1197:
1.210 schwarze 1198: if (blk->flags & NODE_VALID)
1.165 schwarze 1199: return;
1.150 schwarze 1200: if (head == NULL)
1.190 schwarze 1201: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1202: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1203: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1204: if (body != NULL)
1.77 kristaps 1205: goto out;
1.187 schwarze 1206: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1207: return;
1.47 kristaps 1208:
1.45 kristaps 1209: /* Close out scopes to remain in a consistent state. */
1210:
1.167 schwarze 1211: rew_last(mdoc, head);
1.190 schwarze 1212: body = roff_body_alloc(mdoc, line, ppos, tok);
1.232 schwarze 1213: if (tok == MDOC_Ss)
1214: mdoc->flags &= ~ROFF_NONOFILL;
1.231 schwarze 1215:
1216: /*
1217: * Set up fill mode for display blocks.
1218: * This needs to be done here up front rather than during
1219: * validation such that child nodes get the right flags.
1220: */
1221:
1222: if (tok == MDOC_Bd && arg != NULL) {
1223: for (iarg = 0; iarg < arg->argc; iarg++) {
1224: switch (arg->argv[iarg].arg) {
1225: case MDOC_Unfilled:
1226: case MDOC_Literal:
1227: mdoc->flags |= ROFF_NOFILL;
1228: break;
1229: case MDOC_Filled:
1230: case MDOC_Ragged:
1231: case MDOC_Centred:
1232: mdoc->flags &= ~ROFF_NOFILL;
1233: break;
1234: default:
1235: continue;
1236: }
1237: break;
1238: }
1239: }
1.77 kristaps 1240: out:
1.150 schwarze 1241: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1242: rew_last(mdoc, body);
1243: rew_last(mdoc, blk);
1.150 schwarze 1244: mdoc->flags &= ~MDOC_FREECOL;
1245: }
1.1 kristaps 1246: }
1247:
1.151 schwarze 1248: static void
1.1 kristaps 1249: blk_part_imp(MACRO_PROT_ARGS)
1250: {
1.228 schwarze 1251: int done, la, nl;
1.55 kristaps 1252: enum margserr ac;
1.1 kristaps 1253: char *p;
1.185 schwarze 1254: struct roff_node *blk; /* saved block context */
1255: struct roff_node *body; /* saved body context */
1256: struct roff_node *n;
1.1 kristaps 1257:
1.119 schwarze 1258: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1259:
1.43 kristaps 1260: /*
1261: * A macro that spans to the end of the line. This is generally
1262: * (but not necessarily) called as the first macro. The block
1263: * has a head as the immediate child, which is always empty,
1264: * followed by zero or more opening punctuation nodes, then the
1265: * body (which may be empty, depending on the macro), then zero
1266: * or more closing punctuation nodes.
1267: */
1.32 kristaps 1268:
1.150 schwarze 1269: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1270: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1271:
1.43 kristaps 1272: /*
1273: * Open the body scope "on-demand", that is, after we've
1274: * processed all our the leading delimiters (open parenthesis,
1275: * etc.).
1276: */
1.1 kristaps 1277:
1.43 kristaps 1278: for (body = NULL; ; ) {
1.32 kristaps 1279: la = *pos;
1.119 schwarze 1280: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1281: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1282: break;
1283:
1.224 schwarze 1284: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1285: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1286: if (ac == ARGS_ALLOC)
1287: free(p);
1.1 kristaps 1288: continue;
1.123 schwarze 1289: }
1.1 kristaps 1290:
1.150 schwarze 1291: if (body == NULL)
1.190 schwarze 1292: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1293:
1.228 schwarze 1294: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1295: if (ac == ARGS_ALLOC)
1296: free(p);
1297: if (done)
1.151 schwarze 1298: break;
1.1 kristaps 1299: }
1.150 schwarze 1300: if (body == NULL)
1.190 schwarze 1301: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1302:
1.187 schwarze 1303: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1304: return;
1305:
1.164 schwarze 1306: rew_last(mdoc, body);
1.150 schwarze 1307: if (nl)
1308: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1309: rew_pending(mdoc, blk);
1.117 schwarze 1310:
1311: /* Move trailing .Ns out of scope. */
1312:
1313: for (n = body->child; n && n->next; n = n->next)
1314: /* Do nothing. */ ;
1.150 schwarze 1315: if (n && n->tok == MDOC_Ns)
1.226 schwarze 1316: roff_node_relink(mdoc, n);
1.1 kristaps 1317: }
1318:
1.151 schwarze 1319: static void
1.1 kristaps 1320: blk_part_exp(MACRO_PROT_ARGS)
1321: {
1.228 schwarze 1322: int done, la, nl;
1.55 kristaps 1323: enum margserr ac;
1.185 schwarze 1324: struct roff_node *head; /* keep track of head */
1.1 kristaps 1325: char *p;
1326:
1.119 schwarze 1327: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1328:
1.43 kristaps 1329: /*
1330: * The opening of an explicit macro having zero or more leading
1331: * punctuation nodes; a head with optional single element (the
1332: * case of `Eo'); and a body that may be empty.
1333: */
1.32 kristaps 1334:
1.193 schwarze 1335: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1336: head = NULL;
1337: for (;;) {
1.32 kristaps 1338: la = *pos;
1.119 schwarze 1339: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1340: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1341: break;
1.43 kristaps 1342:
1343: /* Flush out leading punctuation. */
1344:
1.224 schwarze 1345: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1346: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1347: if (ac == ARGS_ALLOC)
1348: free(p);
1.43 kristaps 1349: continue;
1.123 schwarze 1350: }
1.43 kristaps 1351:
1.150 schwarze 1352: if (head == NULL) {
1.190 schwarze 1353: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1354: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1355: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1356: rew_last(mdoc, head);
1.190 schwarze 1357: roff_body_alloc(mdoc, line, ppos, tok);
1.228 schwarze 1358: if (tok == MDOC_Eo) {
1359: if (ac == ARGS_ALLOC)
1360: free(p);
1.43 kristaps 1361: continue;
1.228 schwarze 1362: }
1.1 kristaps 1363: }
1.43 kristaps 1364:
1.228 schwarze 1365: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1366: if (ac == ARGS_ALLOC)
1367: free(p);
1368: if (done)
1.151 schwarze 1369: break;
1.1 kristaps 1370: }
1371:
1.43 kristaps 1372: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1373:
1.163 schwarze 1374: if (head == NULL) {
1.190 schwarze 1375: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1376: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1377: }
1.150 schwarze 1378: if (nl)
1379: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1380: }
1381:
1.151 schwarze 1382: static void
1.1 kristaps 1383: in_line_argn(MACRO_PROT_ARGS)
1384: {
1.53 kristaps 1385: struct mdoc_arg *arg;
1386: char *p;
1.181 schwarze 1387: enum margserr ac;
1.219 schwarze 1388: enum roff_tok ntok;
1.181 schwarze 1389: int state; /* arg#; -1: not yet open; -2: closed */
1390: int la, maxargs, nl;
1.1 kristaps 1391:
1.156 schwarze 1392: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1393:
1.46 kristaps 1394: /*
1395: * A line macro that has a fixed number of arguments (maxargs).
1396: * Only open the scope once the first non-leading-punctuation is
1397: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1398: * keep it open until the maximum number of arguments are
1399: * exhausted.
1400: */
1.1 kristaps 1401:
1402: switch (tok) {
1.131 schwarze 1403: case MDOC_Ap:
1404: case MDOC_Ns:
1405: case MDOC_Ux:
1.1 kristaps 1406: maxargs = 0;
1407: break;
1.131 schwarze 1408: case MDOC_Bx:
1.132 schwarze 1409: case MDOC_Es:
1.131 schwarze 1410: case MDOC_Xr:
1.42 kristaps 1411: maxargs = 2;
1412: break;
1.1 kristaps 1413: default:
1414: maxargs = 1;
1415: break;
1416: }
1417:
1.152 schwarze 1418: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1419:
1.181 schwarze 1420: state = -1;
1.156 schwarze 1421: p = NULL;
1422: for (;;) {
1.32 kristaps 1423: la = *pos;
1.119 schwarze 1424: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1425:
1.228 schwarze 1426: if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
1.225 schwarze 1427: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.181 schwarze 1428: mdoc_isdelim(p) == DELIM_OPEN) {
1429: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1430: if (ac == ARGS_ALLOC)
1431: free(p);
1.181 schwarze 1432: continue;
1433: }
1434:
1435: if (state == -1 && tok != MDOC_In &&
1436: tok != MDOC_St && tok != MDOC_Xr) {
1437: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1438: state = 0;
1439: }
1440:
1.156 schwarze 1441: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1442: if (abs(state) < 2 && tok == MDOC_Pf)
1.227 schwarze 1443: mandoc_msg(MANDOCERR_PF_SKIP,
1444: line, ppos, "Pf %s",
1.156 schwarze 1445: p == NULL ? "at eol" : p);
1.1 kristaps 1446: break;
1.156 schwarze 1447: }
1.1 kristaps 1448:
1.181 schwarze 1449: if (state == maxargs) {
1.149 schwarze 1450: rew_elem(mdoc, tok);
1.181 schwarze 1451: state = -2;
1.46 kristaps 1452: }
1453:
1.224 schwarze 1454: ntok = (tok == MDOC_Pf && state == 0) ?
1.191 schwarze 1455: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1456:
1.191 schwarze 1457: if (ntok != TOKEN_NONE) {
1.181 schwarze 1458: if (state >= 0) {
1.149 schwarze 1459: rew_elem(mdoc, tok);
1.181 schwarze 1460: state = -2;
1461: }
1.225 schwarze 1462: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
1463: line, la, pos, buf);
1.228 schwarze 1464: if (ac == ARGS_ALLOC)
1465: free(p);
1.1 kristaps 1466: break;
1467: }
1468:
1.225 schwarze 1469: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.181 schwarze 1470: mdoc_isdelim(p) == DELIM_NONE) {
1471: if (state == -1) {
1472: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1473: state = 1;
1474: } else if (state >= 0)
1475: state++;
1476: } else if (state >= 0) {
1.149 schwarze 1477: rew_elem(mdoc, tok);
1.181 schwarze 1478: state = -2;
1.1 kristaps 1479: }
1.42 kristaps 1480:
1.150 schwarze 1481: dword(mdoc, line, la, p, DELIM_MAX,
1.225 schwarze 1482: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 schwarze 1483: if (ac == ARGS_ALLOC)
1484: free(p);
1485: p = mdoc->last->string;
1.1 kristaps 1486: }
1487:
1.181 schwarze 1488: if (state == -1) {
1.227 schwarze 1489: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1490: line, ppos, "%s", roff_name[tok]);
1.181 schwarze 1491: return;
1.156 schwarze 1492: }
1.181 schwarze 1493:
1494: if (state == 0 && tok == MDOC_Pf)
1495: append_delims(mdoc, line, pos, buf);
1496: if (state >= 0)
1.149 schwarze 1497: rew_elem(mdoc, tok);
1.150 schwarze 1498: if (nl)
1499: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1500: }
1501:
1.151 schwarze 1502: static void
1.1 kristaps 1503: in_line_eoln(MACRO_PROT_ARGS)
1504: {
1.185 schwarze 1505: struct roff_node *n;
1.170 schwarze 1506: struct mdoc_arg *arg;
1.1 kristaps 1507:
1.170 schwarze 1508: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1509: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1510: n = mdoc->last;
1.189 schwarze 1511: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1512: n = n->parent;
1513: if (n->tok == MDOC_Nm)
1.198 schwarze 1514: rew_last(mdoc, n->parent);
1.178 schwarze 1515: }
1.235 ! schwarze 1516:
! 1517: #if DEBUG_MEMORY
! 1518: if (tok == MDOC_Dt)
! 1519: mandoc_dbg_name(buf);
! 1520: #endif
1.178 schwarze 1521:
1.179 schwarze 1522: if (buf[*pos] == '\0' &&
1.219 schwarze 1523: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.227 schwarze 1524: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1525: line, ppos, "%s", roff_name[tok]);
1.178 schwarze 1526: return;
1.170 schwarze 1527: }
1.90 schwarze 1528:
1.152 schwarze 1529: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1530: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1531: if (parse_rest(mdoc, tok, line, pos, buf))
1532: return;
1533: rew_elem(mdoc, tok);
1534: }
1535:
1536: /*
1537: * The simplest argument parser available: Parse the remaining
1538: * words until the end of the phrase or line and return 0
1539: * or until the next macro, call that macro, and return 1.
1540: */
1541: static int
1.219 schwarze 1542: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1543: int line, int *pos, char *buf)
1.154 schwarze 1544: {
1.228 schwarze 1545: char *p;
1546: int done, la;
1547: enum margserr ac;
1.1 kristaps 1548:
1549: for (;;) {
1550: la = *pos;
1.228 schwarze 1551: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1552: if (ac == ARGS_EOLN)
1.202 schwarze 1553: return 0;
1.228 schwarze 1554: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1555: if (ac == ARGS_ALLOC)
1556: free(p);
1557: if (done)
1.202 schwarze 1558: return 1;
1.1 kristaps 1559: }
1560: }
1561:
1.151 schwarze 1562: static void
1.41 kristaps 1563: ctx_synopsis(MACRO_PROT_ARGS)
1564: {
1.60 kristaps 1565:
1.151 schwarze 1566: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1567: in_line(mdoc, tok, line, ppos, pos, buf);
1568: else if (tok == MDOC_Nm)
1569: blk_full(mdoc, tok, line, ppos, pos, buf);
1570: else {
1571: assert(tok == MDOC_Vt);
1572: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1573: }
1.1 kristaps 1574: }
1575:
1.24 kristaps 1576: /*
1577: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1578: * They're unusual because they're basically free-form text until a
1579: * macro is encountered.
1580: */
1.151 schwarze 1581: static void
1.75 kristaps 1582: phrase_ta(MACRO_PROT_ARGS)
1583: {
1.185 schwarze 1584: struct roff_node *body, *n;
1.75 kristaps 1585:
1.121 schwarze 1586: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1587:
1.167 schwarze 1588: body = NULL;
1589: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1590: if (n->flags & NODE_ENDED)
1.167 schwarze 1591: continue;
1.184 schwarze 1592: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1593: body = n;
1.208 schwarze 1594: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1595: break;
1596: }
1597:
1.151 schwarze 1598: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.227 schwarze 1599: mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
1.151 schwarze 1600: return;
1.121 schwarze 1601: }
1.75 kristaps 1602:
1.121 schwarze 1603: /* Advance to the next column. */
1.150 schwarze 1604:
1.167 schwarze 1605: rew_last(mdoc, body);
1.190 schwarze 1606: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1607: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1608: }
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