Annotation of mandoc/mdoc_macro.c, Revision 1.231
1.231 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.230 2018/12/31 04:55:46 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.231 ! schwarze 4: * Copyright (c) 2010, 2012-2019 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.8 kristaps 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.184 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.8 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.184 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.8 kristaps 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
1.40 kristaps 18: #include "config.h"
1.140 schwarze 19:
20: #include <sys/types.h>
1.40 kristaps 21:
1.1 kristaps 22: #include <assert.h>
23: #include <ctype.h>
24: #include <stdlib.h>
25: #include <stdio.h>
26: #include <string.h>
1.38 kristaps 27: #include <time.h>
1.1 kristaps 28:
1.184 schwarze 29: #include "mandoc.h"
30: #include "roff.h"
1.106 kristaps 31: #include "mdoc.h"
1.184 schwarze 32: #include "libmandoc.h"
1.190 schwarze 33: #include "roff_int.h"
1.1 kristaps 34: #include "libmdoc.h"
35:
1.151 schwarze 36: static void blk_full(MACRO_PROT_ARGS);
37: static void blk_exp_close(MACRO_PROT_ARGS);
38: static void blk_part_exp(MACRO_PROT_ARGS);
39: static void blk_part_imp(MACRO_PROT_ARGS);
40: static void ctx_synopsis(MACRO_PROT_ARGS);
41: static void in_line_eoln(MACRO_PROT_ARGS);
42: static void in_line_argn(MACRO_PROT_ARGS);
43: static void in_line(MACRO_PROT_ARGS);
44: static void phrase_ta(MACRO_PROT_ARGS);
1.53 kristaps 45:
1.189 schwarze 46: static void append_delims(struct roff_man *, int, int *, char *);
47: static void dword(struct roff_man *, int, int, const char *,
1.187 schwarze 48: enum mdelim, int);
1.219 schwarze 49: static int find_pending(struct roff_man *, enum roff_tok,
50: int, int, struct roff_node *);
1.189 schwarze 51: static int lookup(struct roff_man *, int, int, int, const char *);
1.228 schwarze 52: static int macro_or_word(MACRO_PROT_ARGS, char *, int);
1.213 schwarze 53: static void break_intermediate(struct roff_node *,
1.219 schwarze 54: struct roff_node *);
55: static int parse_rest(struct roff_man *, enum roff_tok,
56: int, int *, char *);
57: static enum roff_tok rew_alt(enum roff_tok);
58: static void rew_elem(struct roff_man *, enum roff_tok);
1.189 schwarze 59: static void rew_last(struct roff_man *, const struct roff_node *);
60: static void rew_pending(struct roff_man *,
61: const struct roff_node *);
1.1 kristaps 62:
1.225 schwarze 63: static const struct mdoc_macro mdoc_macros[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 64: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
65: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
66: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.123 schwarze 67: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
68: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
69: { in_line_eoln, 0 }, /* Pp */
70: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
71: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 72: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.123 schwarze 73: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 74: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.123 schwarze 75: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
76: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
77: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
78: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.224 schwarze 79: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
80: MDOC_IGNDELIM | MDOC_JOIN }, /* Ap */
1.1 kristaps 81: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.129 schwarze 82: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.123 schwarze 84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
85: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 87: { in_line_eoln, 0 }, /* Ex */
1.123 schwarze 88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
89: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 90: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.123 schwarze 91: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
92: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.128 schwarze 93: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.18 kristaps 94: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.123 schwarze 95: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
96: { blk_full, MDOC_JOIN }, /* Nd */
97: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 98: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.132 schwarze 99: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 100: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
101: { in_line_eoln, 0 }, /* Rv */
1.123 schwarze 102: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 103: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.123 schwarze 104: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.42 kristaps 105: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.123 schwarze 106: { in_line_eoln, MDOC_JOIN }, /* %A */
107: { in_line_eoln, MDOC_JOIN }, /* %B */
108: { in_line_eoln, MDOC_JOIN }, /* %D */
109: { in_line_eoln, MDOC_JOIN }, /* %I */
110: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 111: { in_line_eoln, 0 }, /* %N */
1.123 schwarze 112: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 113: { in_line_eoln, 0 }, /* %P */
1.123 schwarze 114: { in_line_eoln, MDOC_JOIN }, /* %R */
115: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 116: { in_line_eoln, 0 }, /* %V */
1.123 schwarze 117: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
118: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
119: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
120: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
121: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 122: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.123 schwarze 123: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
124: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
125: { blk_full, MDOC_EXPLICIT }, /* Bf */
126: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
127: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
128: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 129: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
130: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
131: { in_line_eoln, 0 }, /* Db */
1.123 schwarze 132: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
133: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
134: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
135: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
136: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
137: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
138: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
139: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 140: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
141: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.11 kristaps 142: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.144 schwarze 143: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.123 schwarze 144: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
145: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 146: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
147: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.123 schwarze 148: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
149: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.52 kristaps 150: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.123 schwarze 151: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
152: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
153: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
154: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
155: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
156: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
157: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
158: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
159: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
160: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 161: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.123 schwarze 162: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
163: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
164: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
165: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
166: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.147 schwarze 167: { in_line_argn, 0 }, /* Sm */
1.123 schwarze 168: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
169: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 170: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.123 schwarze 171: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 172: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
173: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.123 schwarze 174: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
175: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
176: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
177: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
178: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
179: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
180: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 181: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.123 schwarze 182: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 183: { in_line_eoln, 0 }, /* Bt */
184: { in_line_eoln, 0 }, /* Hf */
1.132 schwarze 185: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 186: { in_line_eoln, 0 }, /* Ud */
1.69 kristaps 187: { in_line, 0 }, /* Lb */
1.123 schwarze 188: { in_line_eoln, 0 }, /* Lp */
189: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
190: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
191: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
192: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
193: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
194: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
195: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
196: { in_line_eoln, MDOC_JOIN }, /* %C */
1.132 schwarze 197: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
198: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 199: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.123 schwarze 200: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.37 kristaps 201: { in_line_eoln, 0 }, /* %U */
1.123 schwarze 202: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.1 kristaps 203: };
204:
205:
1.225 schwarze 206: const struct mdoc_macro *
207: mdoc_macro(enum roff_tok tok)
208: {
209: assert(tok >= MDOC_Dd && tok < MDOC_MAX);
210: return mdoc_macros + (tok - MDOC_Dd);
211: }
212:
1.1 kristaps 213: /*
214: * This is called at the end of parsing. It must traverse up the tree,
215: * closing out open [implicit] scopes. Obviously, open explicit scopes
216: * are errors.
217: */
1.151 schwarze 218: void
1.195 schwarze 219: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 220: {
1.185 schwarze 221: struct roff_node *n;
1.1 kristaps 222:
223: /* Scan for open explicit scopes. */
224:
1.210 schwarze 225: n = mdoc->last->flags & NODE_VALID ?
1.131 schwarze 226: mdoc->last->parent : mdoc->last;
1.1 kristaps 227:
1.94 schwarze 228: for ( ; n; n = n->parent)
1.184 schwarze 229: if (n->type == ROFFT_BLOCK &&
1.225 schwarze 230: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT)
1.227 schwarze 231: mandoc_msg(MANDOCERR_BLK_NOEND,
232: n->line, n->pos, "%s", roff_name[n->tok]);
1.1 kristaps 233:
1.32 kristaps 234: /* Rewind to the first. */
235:
1.229 schwarze 236: rew_last(mdoc, mdoc->meta.first);
1.1 kristaps 237: }
238:
1.32 kristaps 239: /*
1.153 schwarze 240: * Look up the macro at *p called by "from",
1.191 schwarze 241: * or as a line macro if from == TOKEN_NONE.
1.32 kristaps 242: */
1.185 schwarze 243: static int
1.189 schwarze 244: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.28 kristaps 245: {
1.219 schwarze 246: enum roff_tok res;
1.1 kristaps 247:
1.205 schwarze 248: if (mdoc->flags & MDOC_PHRASEQF) {
249: mdoc->flags &= ~MDOC_PHRASEQF;
250: return TOKEN_NONE;
251: }
1.225 schwarze 252: if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) {
1.220 schwarze 253: res = roffhash_find(mdoc->mdocmac, p, 0);
1.191 schwarze 254: if (res != TOKEN_NONE) {
1.225 schwarze 255: if (mdoc_macro(res)->flags & MDOC_CALLABLE)
1.202 schwarze 256: return res;
1.227 schwarze 257: mandoc_msg(MANDOCERR_MACRO_CALL, line, ppos, "%s", p);
1.155 schwarze 258: }
1.153 schwarze 259: }
1.202 schwarze 260: return TOKEN_NONE;
1.1 kristaps 261: }
262:
1.166 schwarze 263: /*
264: * Rewind up to and including a specific node.
265: */
1.149 schwarze 266: static void
1.189 schwarze 267: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 268: {
269:
1.210 schwarze 270: if (to->flags & NODE_VALID)
1.186 schwarze 271: return;
272:
1.1 kristaps 273: while (mdoc->last != to) {
1.206 schwarze 274: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 275: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.206 schwarze 276: mdoc->last = mdoc->last->parent;
1.1 kristaps 277: }
1.206 schwarze 278: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 279: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.200 schwarze 280: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 281: }
282:
1.32 kristaps 283: /*
1.166 schwarze 284: * Rewind up to a specific block, including all blocks that broke it.
285: */
286: static void
1.189 schwarze 287: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.166 schwarze 288: {
289:
1.183 schwarze 290: for (;;) {
291: rew_last(mdoc, n);
292:
1.194 schwarze 293: if (mdoc->last == n) {
294: switch (n->type) {
295: case ROFFT_HEAD:
296: roff_body_alloc(mdoc, n->line, n->pos,
297: n->tok);
1.207 schwarze 298: break;
1.194 schwarze 299: case ROFFT_BLOCK:
300: break;
301: default:
302: return;
303: }
1.210 schwarze 304: if ( ! (n->flags & NODE_BROKEN))
1.194 schwarze 305: return;
306: } else
307: n = mdoc->last;
1.166 schwarze 308:
1.183 schwarze 309: for (;;) {
310: if ((n = n->parent) == NULL)
311: return;
312:
1.184 schwarze 313: if (n->type == ROFFT_BLOCK ||
314: n->type == ROFFT_HEAD) {
1.210 schwarze 315: if (n->flags & NODE_ENDED)
1.183 schwarze 316: break;
317: else
318: return;
319: }
320: }
1.166 schwarze 321: }
322: }
323:
324: /*
1.84 schwarze 325: * For a block closing macro, return the corresponding opening one.
326: * Otherwise, return the macro itself.
1.32 kristaps 327: */
1.219 schwarze 328: static enum roff_tok
329: rew_alt(enum roff_tok tok)
1.1 kristaps 330: {
331: switch (tok) {
1.131 schwarze 332: case MDOC_Ac:
1.202 schwarze 333: return MDOC_Ao;
1.131 schwarze 334: case MDOC_Bc:
1.202 schwarze 335: return MDOC_Bo;
1.131 schwarze 336: case MDOC_Brc:
1.202 schwarze 337: return MDOC_Bro;
1.131 schwarze 338: case MDOC_Dc:
1.202 schwarze 339: return MDOC_Do;
1.131 schwarze 340: case MDOC_Ec:
1.202 schwarze 341: return MDOC_Eo;
1.131 schwarze 342: case MDOC_Ed:
1.202 schwarze 343: return MDOC_Bd;
1.131 schwarze 344: case MDOC_Ef:
1.202 schwarze 345: return MDOC_Bf;
1.131 schwarze 346: case MDOC_Ek:
1.202 schwarze 347: return MDOC_Bk;
1.131 schwarze 348: case MDOC_El:
1.202 schwarze 349: return MDOC_Bl;
1.131 schwarze 350: case MDOC_Fc:
1.202 schwarze 351: return MDOC_Fo;
1.131 schwarze 352: case MDOC_Oc:
1.202 schwarze 353: return MDOC_Oo;
1.131 schwarze 354: case MDOC_Pc:
1.202 schwarze 355: return MDOC_Po;
1.131 schwarze 356: case MDOC_Qc:
1.202 schwarze 357: return MDOC_Qo;
1.131 schwarze 358: case MDOC_Re:
1.202 schwarze 359: return MDOC_Rs;
1.131 schwarze 360: case MDOC_Sc:
1.202 schwarze 361: return MDOC_So;
1.131 schwarze 362: case MDOC_Xc:
1.202 schwarze 363: return MDOC_Xo;
1.1 kristaps 364: default:
1.202 schwarze 365: return tok;
1.1 kristaps 366: }
367: }
368:
1.149 schwarze 369: static void
1.219 schwarze 370: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 371: {
1.185 schwarze 372: struct roff_node *n;
1.1 kristaps 373:
374: n = mdoc->last;
1.184 schwarze 375: if (n->type != ROFFT_ELEM)
1.1 kristaps 376: n = n->parent;
1.184 schwarze 377: assert(n->type == ROFFT_ELEM);
1.1 kristaps 378: assert(tok == n->tok);
1.149 schwarze 379: rew_last(mdoc, n);
1.1 kristaps 380: }
381:
1.213 schwarze 382: static void
383: break_intermediate(struct roff_node *n, struct roff_node *breaker)
384: {
1.217 schwarze 385: if (n != breaker &&
386: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
387: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
388: n = n->parent;
1.213 schwarze 389: while (n != breaker) {
390: if ( ! (n->flags & NODE_VALID))
391: n->flags |= NODE_BROKEN;
392: n = n->parent;
393: }
394: }
395:
1.83 schwarze 396: /*
1.187 schwarze 397: * If there is an open sub-block of the target requiring
398: * explicit close-out, postpone closing out the target until
399: * the rew_pending() call closing out the sub-block.
400: */
401: static int
1.219 schwarze 402: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.187 schwarze 403: struct roff_node *target)
404: {
405: struct roff_node *n;
406: int irc;
407:
1.215 schwarze 408: if (target->flags & NODE_VALID)
409: return 0;
410:
1.187 schwarze 411: irc = 0;
412: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.213 schwarze 413: if (n->flags & NODE_ENDED)
1.187 schwarze 414: continue;
415: if (n->type == ROFFT_BLOCK &&
1.225 schwarze 416: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.187 schwarze 417: irc = 1;
1.217 schwarze 418: break_intermediate(mdoc->last, target);
1.187 schwarze 419: if (target->type == ROFFT_HEAD)
1.212 schwarze 420: target->flags |= NODE_ENDED;
1.210 schwarze 421: else if ( ! (target->flags & NODE_ENDED)) {
1.227 schwarze 422: mandoc_msg(MANDOCERR_BLK_NEST,
423: line, ppos, "%s breaks %s",
424: roff_name[tok], roff_name[n->tok]);
1.187 schwarze 425: mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 426: tok, target);
1.187 schwarze 427: }
428: }
429: }
1.202 schwarze 430: return irc;
1.187 schwarze 431: }
432:
433: /*
1.105 kristaps 434: * Allocate a word and check whether it's punctuation or not.
435: * Punctuation consists of those tokens found in mdoc_isdelim().
436: */
1.150 schwarze 437: static void
1.189 schwarze 438: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 439: enum mdelim d, int may_append)
1.105 kristaps 440: {
1.131 schwarze 441:
1.150 schwarze 442: if (d == DELIM_MAX)
1.105 kristaps 443: d = mdoc_isdelim(p);
444:
1.123 schwarze 445: if (may_append &&
1.150 schwarze 446: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 447: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 448: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 449: roff_word_append(mdoc, p);
1.150 schwarze 450: return;
1.123 schwarze 451: }
452:
1.192 schwarze 453: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 454:
1.108 schwarze 455: /*
1.144 schwarze 456: * If the word consists of a bare delimiter,
457: * flag the new node accordingly,
458: * unless doing so was vetoed by the invoking macro.
459: * Always clear the veto, it is only valid for one word.
1.108 schwarze 460: */
461:
1.144 schwarze 462: if (d == DELIM_OPEN)
1.210 schwarze 463: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 464: else if (d == DELIM_CLOSE &&
465: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 466: mdoc->last->parent->tok != MDOC_Fd)
1.210 schwarze 467: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 468: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 469: }
1.1 kristaps 470:
1.150 schwarze 471: static void
1.189 schwarze 472: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 473: {
1.153 schwarze 474: char *p;
1.66 kristaps 475: int la;
1.228 schwarze 476: enum margserr ac;
1.1 kristaps 477:
1.150 schwarze 478: if (buf[*pos] == '\0')
479: return;
1.1 kristaps 480:
481: for (;;) {
1.66 kristaps 482: la = *pos;
1.228 schwarze 483: ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p);
484: if (ac == ARGS_EOLN)
1.1 kristaps 485: break;
1.123 schwarze 486: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 487:
488: /*
489: * If we encounter end-of-sentence symbols, then trigger
490: * the double-space.
491: *
1.109 kristaps 492: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 493: * the last symbol, such that `. )' will cause the
494: * correct double-spacing. However, (1) groff isn't
495: * smart enough to do this and (2) it would require
496: * knowing which symbols break this behaviour, for
1.109 kristaps 497: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 498: */
1.150 schwarze 499:
1.127 schwarze 500: if (mandoc_eos(p, strlen(p)))
1.210 schwarze 501: mdoc->last->flags |= NODE_EOS;
1.228 schwarze 502: if (ac == ARGS_ALLOC)
503: free(p);
1.1 kristaps 504: }
505: }
506:
507: /*
1.153 schwarze 508: * Parse one word.
509: * If it is a macro, call it and return 1.
510: * Otherwise, allocate it and return 0.
511: */
512: static int
1.228 schwarze 513: macro_or_word(MACRO_PROT_ARGS, char *p, int parsed)
1.153 schwarze 514: {
1.185 schwarze 515: int ntok;
1.153 schwarze 516:
1.228 schwarze 517: ntok = buf[ppos] == '"' || parsed == 0 ||
518: mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE :
519: lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 520:
1.191 schwarze 521: if (ntok == TOKEN_NONE) {
522: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.225 schwarze 523: mdoc_macro(tok)->flags & MDOC_JOIN);
1.202 schwarze 524: return 0;
1.153 schwarze 525: } else {
1.219 schwarze 526: if (tok != TOKEN_NONE &&
1.225 schwarze 527: mdoc_macro(tok)->fp == in_line_eoln)
1.153 schwarze 528: rew_elem(mdoc, tok);
1.225 schwarze 529: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 530: if (tok == TOKEN_NONE)
1.153 schwarze 531: append_delims(mdoc, line, pos, buf);
1.202 schwarze 532: return 1;
1.153 schwarze 533: }
534: }
535:
536: /*
1.131 schwarze 537: * Close out block partial/full explicit.
1.1 kristaps 538: */
1.151 schwarze 539: static void
1.1 kristaps 540: blk_exp_close(MACRO_PROT_ARGS)
541: {
1.185 schwarze 542: struct roff_node *body; /* Our own body. */
543: struct roff_node *endbody; /* Our own end marker. */
544: struct roff_node *itblk; /* An It block starting later. */
545: struct roff_node *later; /* A sub-block starting later. */
546: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 547: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 548:
1.188 schwarze 549: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 550: enum margserr ac;
1.219 schwarze 551: enum roff_tok atok, ntok;
1.1 kristaps 552: char *p;
553:
1.119 schwarze 554: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 555:
1.1 kristaps 556: switch (tok) {
1.131 schwarze 557: case MDOC_Ec:
1.1 kristaps 558: maxargs = 1;
559: break;
1.131 schwarze 560: case MDOC_Ek:
1.125 schwarze 561: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 562: /* FALLTHROUGH */
1.1 kristaps 563: default:
564: maxargs = 0;
565: break;
566: }
567:
1.209 schwarze 568: /* Search backwards for the beginning of our own body. */
569:
570: atok = rew_alt(tok);
571: body = NULL;
572: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 573: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 574: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
575: continue;
576: body = n;
577: break;
578: }
579:
1.83 schwarze 580: /*
581: * Search backwards for beginnings of blocks,
582: * both of our own and of pending sub-blocks.
583: */
1.151 schwarze 584:
1.209 schwarze 585: endbody = itblk = later = NULL;
1.119 schwarze 586: for (n = mdoc->last; n; n = n->parent) {
1.213 schwarze 587: if (n->flags & NODE_ENDED)
1.83 schwarze 588: continue;
589:
1.209 schwarze 590: /*
1.211 schwarze 591: * Mismatching end macros can never break anything
1.209 schwarze 592: * and we only care about the breaking of BLOCKs.
593: */
1.83 schwarze 594:
1.211 schwarze 595: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 596: continue;
1.160 schwarze 597:
1.211 schwarze 598: /*
599: * SYNOPSIS name blocks can not be broken themselves,
600: * but they do get broken together with a broken child.
601: */
602:
603: if (n->tok == MDOC_Nm) {
604: if (later != NULL)
605: n->flags |= NODE_BROKEN | NODE_ENDED;
606: continue;
607: }
608:
1.160 schwarze 609: if (n->tok == MDOC_It) {
1.171 schwarze 610: itblk = n;
1.160 schwarze 611: continue;
612: }
613:
1.83 schwarze 614: if (atok == n->tok) {
615:
616: /*
617: * Found the start of our own block.
618: * When there is no pending sub block,
619: * just proceed to closing out.
620: */
1.151 schwarze 621:
1.160 schwarze 622: if (later == NULL ||
1.171 schwarze 623: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 624: break;
625:
1.131 schwarze 626: /*
1.167 schwarze 627: * When there is a pending sub block, postpone
628: * closing out the current block until the
629: * rew_pending() closing out the sub-block.
1.83 schwarze 630: * Mark the place where the formatting - but not
631: * the scope - of the current block ends.
632: */
1.151 schwarze 633:
1.227 schwarze 634: mandoc_msg(MANDOCERR_BLK_NEST,
1.183 schwarze 635: line, ppos, "%s breaks %s",
1.219 schwarze 636: roff_name[atok], roff_name[later->tok]);
1.183 schwarze 637:
1.166 schwarze 638: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 639: atok, body);
1.151 schwarze 640:
1.183 schwarze 641: if (tok == MDOC_El)
1.210 schwarze 642: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 643:
1.151 schwarze 644: /*
645: * If a block closing macro taking arguments
646: * breaks another block, put the arguments
1.166 schwarze 647: * into the end marker.
1.151 schwarze 648: */
649:
1.166 schwarze 650: if (maxargs)
1.189 schwarze 651: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 652: break;
1.182 schwarze 653: }
654:
1.214 schwarze 655: /*
656: * Explicit blocks close out description lines, but
657: * even those can get broken together with a child.
658: */
1.182 schwarze 659:
660: if (n->tok == MDOC_Nd) {
1.214 schwarze 661: if (later != NULL)
662: n->flags |= NODE_BROKEN | NODE_ENDED;
663: else
664: rew_last(mdoc, n);
1.182 schwarze 665: continue;
1.83 schwarze 666: }
667:
1.183 schwarze 668: /* Breaking an open sub block. */
1.151 schwarze 669:
1.213 schwarze 670: break_intermediate(mdoc->last, body);
1.210 schwarze 671: n->flags |= NODE_BROKEN;
1.183 schwarze 672: if (later == NULL)
1.83 schwarze 673: later = n;
674: }
1.166 schwarze 675:
676: if (body == NULL) {
1.227 schwarze 677: mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
678: "%s", roff_name[tok]);
1.166 schwarze 679: if (maxargs && endbody == NULL) {
680: /*
681: * Stray .Ec without previous .Eo:
682: * Break the output line, keep the arguments.
683: */
1.221 schwarze 684: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
685: rew_elem(mdoc, ROFF_br);
1.166 schwarze 686: }
687: } else if (endbody == NULL) {
688: rew_last(mdoc, body);
689: if (maxargs)
690: mdoc_tail_alloc(mdoc, line, ppos, atok);
691: }
1.83 schwarze 692:
1.225 schwarze 693: if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
1.150 schwarze 694: if (buf[*pos] != '\0')
1.227 schwarze 695: mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
696: "%s %s", roff_name[tok], buf + *pos);
1.171 schwarze 697: if (endbody == NULL && n != NULL)
1.167 schwarze 698: rew_pending(mdoc, n);
1.231 ! schwarze 699:
! 700: /*
! 701: * Restore the fill mode that was set before the display.
! 702: * This needs to be done here rather than during validation
! 703: * such that subsequent nodes get the right flags.
! 704: */
! 705:
! 706: if (tok == MDOC_Ed && body != NULL) {
! 707: if (body->flags & NODE_NOFILL)
! 708: mdoc->flags |= ROFF_NOFILL;
! 709: else
! 710: mdoc->flags &= ~ROFF_NOFILL;
! 711: }
1.151 schwarze 712: return;
1.1 kristaps 713: }
714:
1.166 schwarze 715: if (endbody != NULL)
716: n = endbody;
1.197 schwarze 717:
718: ntok = TOKEN_NONE;
1.148 schwarze 719: for (j = 0; ; j++) {
1.1 kristaps 720: lastarg = *pos;
721:
1.186 schwarze 722: if (j == maxargs && n != NULL)
723: rew_last(mdoc, n);
1.1 kristaps 724:
1.119 schwarze 725: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 726: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 727: break;
728:
1.224 schwarze 729: ntok = lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 730:
1.191 schwarze 731: if (ntok == TOKEN_NONE) {
1.150 schwarze 732: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.225 schwarze 733: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 schwarze 734: if (ac == ARGS_ALLOC)
735: free(p);
1.54 kristaps 736: continue;
737: }
1.228 schwarze 738: if (ac == ARGS_ALLOC)
739: free(p);
1.1 kristaps 740:
1.186 schwarze 741: if (n != NULL)
742: rew_last(mdoc, n);
1.122 schwarze 743: mdoc->flags &= ~MDOC_NEWLINE;
1.225 schwarze 744: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 745: break;
1.1 kristaps 746: }
747:
1.188 schwarze 748: if (n != NULL) {
1.212 schwarze 749: pending = 0;
1.210 schwarze 750: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 751: target = n;
752: do
753: target = target->parent;
1.210 schwarze 754: while ( ! (target->flags & NODE_ENDED));
1.215 schwarze 755: pending = find_pending(mdoc, ntok, line, ppos, target);
1.212 schwarze 756: }
1.188 schwarze 757: if ( ! pending)
758: rew_pending(mdoc, n);
759: }
1.150 schwarze 760: if (nl)
761: append_delims(mdoc, line, pos, buf);
1.1 kristaps 762: }
763:
1.151 schwarze 764: static void
1.1 kristaps 765: in_line(MACRO_PROT_ARGS)
766: {
1.144 schwarze 767: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.219 schwarze 768: enum roff_tok ntok;
1.55 kristaps 769: enum margserr ac;
1.67 schwarze 770: enum mdelim d;
1.53 kristaps 771: struct mdoc_arg *arg;
772: char *p;
1.1 kristaps 773:
1.119 schwarze 774: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 775:
1.4 kristaps 776: /*
777: * Whether we allow ignored elements (those without content,
778: * usually because of reserved words) to squeak by.
779: */
1.45 kristaps 780:
1.4 kristaps 781: switch (tok) {
1.131 schwarze 782: case MDOC_An:
783: case MDOC_Ar:
784: case MDOC_Fl:
785: case MDOC_Mt:
786: case MDOC_Nm:
787: case MDOC_Pa:
1.4 kristaps 788: nc = 1;
789: break;
790: default:
791: nc = 0;
792: break;
793: }
794:
1.152 schwarze 795: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 796:
1.144 schwarze 797: d = DELIM_NONE;
798: firstarg = 1;
1.142 schwarze 799: mayopen = 1;
1.70 kristaps 800: for (cnt = scope = 0;; ) {
1.1 kristaps 801: la = *pos;
1.119 schwarze 802: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 803:
1.144 schwarze 804: /*
805: * At the end of a macro line,
806: * opening delimiters do not suppress spacing.
807: */
808:
809: if (ac == ARGS_EOLN) {
810: if (d == DELIM_OPEN)
1.210 schwarze 811: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 812: break;
1.144 schwarze 813: }
814:
815: /*
816: * The rest of the macro line is only punctuation,
817: * to be handled by append_delims().
818: * If there were no other arguments,
819: * do not allow the first one to suppress spacing,
820: * even if it turns out to be a closing one.
821: */
822:
823: if (ac == ARGS_PUNCT) {
1.176 schwarze 824: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 825: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 826: break;
1.144 schwarze 827: }
1.1 kristaps 828:
1.224 schwarze 829: ntok = (tok == MDOC_Fn && !cnt) ?
1.191 schwarze 830: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 831:
1.131 schwarze 832: /*
1.4 kristaps 833: * In this case, we've located a submacro and must
834: * execute it. Close out scope, if open. If no
835: * elements have been generated, either create one (nc)
836: * or raise a warning.
837: */
1.1 kristaps 838:
1.191 schwarze 839: if (ntok != TOKEN_NONE) {
1.149 schwarze 840: if (scope)
841: rew_elem(mdoc, tok);
1.150 schwarze 842: if (nc && ! cnt) {
843: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 844: rew_last(mdoc, mdoc->last);
1.150 schwarze 845: } else if ( ! nc && ! cnt) {
1.7 kristaps 846: mdoc_argv_free(arg);
1.135 schwarze 847: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1.227 schwarze 848: line, ppos, "%s", roff_name[tok]);
1.7 kristaps 849: }
1.225 schwarze 850: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
851: line, la, pos, buf);
1.150 schwarze 852: if (nl)
853: append_delims(mdoc, line, pos, buf);
1.228 schwarze 854: if (ac == ARGS_ALLOC)
855: free(p);
1.151 schwarze 856: return;
1.131 schwarze 857: }
1.1 kristaps 858:
1.131 schwarze 859: /*
1.224 schwarze 860: * Handle punctuation. Set up our scope, if a word;
861: * rewind the scope, if a delimiter; then append the word.
1.4 kristaps 862: */
1.1 kristaps 863:
1.224 schwarze 864: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.70 kristaps 865: /*
866: * If we encounter closing punctuation, no word
1.144 schwarze 867: * has been emitted, no scope is open, and we're
1.70 kristaps 868: * allowed to have an empty element, then start
1.142 schwarze 869: * a new scope.
1.70 kristaps 870: */
1.142 schwarze 871: if ((d == DELIM_CLOSE ||
872: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 873: !cnt && !scope && nc && mayopen) {
1.150 schwarze 874: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 875: scope = 1;
1.142 schwarze 876: cnt++;
1.150 schwarze 877: if (tok == MDOC_Nm)
1.142 schwarze 878: mayopen = 0;
1.70 kristaps 879: }
880: /*
881: * Close out our scope, if one is open, before
882: * any punctuation.
883: */
1.224 schwarze 884: if (scope && tok != MDOC_Lk) {
1.149 schwarze 885: rew_elem(mdoc, tok);
1.224 schwarze 886: scope = 0;
887: if (tok == MDOC_Fn)
888: mayopen = 0;
889: }
1.142 schwarze 890: } else if (mayopen && !scope) {
1.150 schwarze 891: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 892: scope = 1;
1.142 schwarze 893: cnt++;
1.1 kristaps 894: }
1.105 kristaps 895:
1.150 schwarze 896: dword(mdoc, line, la, p, d,
1.225 schwarze 897: mdoc_macro(tok)->flags & MDOC_JOIN);
1.39 kristaps 898:
1.228 schwarze 899: if (ac == ARGS_ALLOC)
900: free(p);
901:
1.39 kristaps 902: /*
1.144 schwarze 903: * If the first argument is a closing delimiter,
904: * do not suppress spacing before it.
905: */
906:
907: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 908: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 909: firstarg = 0;
910:
911: /*
1.39 kristaps 912: * `Fl' macros have their scope re-opened with each new
913: * word so that the `-' can be added to each one without
914: * having to parse out spaces.
915: */
1.150 schwarze 916: if (scope && tok == MDOC_Fl) {
1.149 schwarze 917: rew_elem(mdoc, tok);
1.70 kristaps 918: scope = 0;
1.39 kristaps 919: }
1.1 kristaps 920: }
921:
1.218 schwarze 922: if (scope && tok != MDOC_Lk) {
1.149 schwarze 923: rew_elem(mdoc, tok);
1.218 schwarze 924: scope = 0;
925: }
1.4 kristaps 926:
927: /*
928: * If no elements have been collected and we're allowed to have
929: * empties (nc), open a scope and close it out. Otherwise,
930: * raise a warning.
931: */
1.45 kristaps 932:
1.150 schwarze 933: if ( ! cnt) {
934: if (nc) {
935: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
936: rew_last(mdoc, mdoc->last);
937: } else {
938: mdoc_argv_free(arg);
1.227 schwarze 939: mandoc_msg(MANDOCERR_MACRO_EMPTY,
940: line, ppos, "%s", roff_name[tok]);
1.150 schwarze 941: }
1.7 kristaps 942: }
1.150 schwarze 943: if (nl)
944: append_delims(mdoc, line, pos, buf);
1.218 schwarze 945: if (scope)
946: rew_elem(mdoc, tok);
1.1 kristaps 947: }
948:
1.151 schwarze 949: static void
1.1 kristaps 950: blk_full(MACRO_PROT_ARGS)
951: {
952: struct mdoc_arg *arg;
1.185 schwarze 953: struct roff_node *blk; /* Our own or a broken block. */
954: struct roff_node *head; /* Our own head. */
955: struct roff_node *body; /* Our own body. */
956: struct roff_node *n;
1.231 ! schwarze 957: char *p;
! 958: size_t iarg;
! 959: int done, la, nl, parsed;
1.59 kristaps 960: enum margserr ac, lac;
1.1 kristaps 961:
1.119 schwarze 962: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 963:
1.177 schwarze 964: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
1.227 schwarze 965: mandoc_msg(MANDOCERR_MACRO_EMPTY,
966: line, ppos, "%s", roff_name[tok]);
1.177 schwarze 967: return;
968: }
969:
1.225 schwarze 970: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.171 schwarze 971:
972: /* Here, tok is one of Sh Ss Nm Nd It. */
973:
974: blk = NULL;
975: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 976: if (n->flags & NODE_ENDED) {
977: if ( ! (n->flags & NODE_VALID))
978: n->flags |= NODE_BROKEN;
1.183 schwarze 979: continue;
980: }
1.184 schwarze 981: if (n->type != ROFFT_BLOCK)
1.171 schwarze 982: continue;
1.183 schwarze 983:
1.171 schwarze 984: if (tok == MDOC_It && n->tok == MDOC_Bl) {
985: if (blk != NULL) {
1.227 schwarze 986: mandoc_msg(MANDOCERR_BLK_BROKEN,
987: line, ppos, "It breaks %s",
1.219 schwarze 988: roff_name[blk->tok]);
1.171 schwarze 989: rew_pending(mdoc, blk);
990: }
991: break;
992: }
993:
1.225 schwarze 994: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.171 schwarze 995: switch (tok) {
996: case MDOC_Sh:
997: case MDOC_Ss:
1.227 schwarze 998: mandoc_msg(MANDOCERR_BLK_BROKEN,
999: line, ppos,
1.219 schwarze 1000: "%s breaks %s", roff_name[tok],
1001: roff_name[n->tok]);
1.171 schwarze 1002: rew_pending(mdoc, n);
1.180 schwarze 1003: n = mdoc->last;
1.171 schwarze 1004: continue;
1005: case MDOC_It:
1006: /* Delay in case it's astray. */
1007: blk = n;
1008: continue;
1009: default:
1010: break;
1011: }
1012: break;
1013: }
1014:
1015: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 1016:
1.171 schwarze 1017: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1018: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1019: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 1020: break;
1.171 schwarze 1021:
1022: /* Item breaking an explicit block. */
1023:
1024: if (blk != NULL) {
1.227 schwarze 1025: mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
1.219 schwarze 1026: "It breaks %s", roff_name[blk->tok]);
1.171 schwarze 1027: rew_pending(mdoc, blk);
1.172 schwarze 1028: blk = NULL;
1.171 schwarze 1029: }
1030:
1031: /* Close out prior implicit scopes. */
1032:
1.211 schwarze 1033: rew_pending(mdoc, n);
1.171 schwarze 1034: }
1035:
1036: /* Skip items outside lists. */
1037:
1038: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.227 schwarze 1039: mandoc_msg(MANDOCERR_IT_STRAY,
1.138 schwarze 1040: line, ppos, "It %s", buf + *pos);
1.221 schwarze 1041: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1042: rew_elem(mdoc, ROFF_br);
1.151 schwarze 1043: return;
1.138 schwarze 1044: }
1.1 kristaps 1045: }
1046:
1.45 kristaps 1047: /*
1.109 kristaps 1048: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1049: * macro openings. Implicit ones first close out prior scope
1050: * (seen above). Delay opening the head until necessary to
1051: * allow leading punctuation to print. Special consideration
1052: * for `It -column', which has phrase-part syntax instead of
1053: * regular child nodes.
1054: */
1055:
1.231 ! schwarze 1056: if (tok == MDOC_Sh)
! 1057: mdoc->flags &= ~ROFF_NOFILL;
! 1058:
1.152 schwarze 1059: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1060: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1061: head = body = NULL;
1.115 schwarze 1062:
1063: /*
1064: * Exception: Heads of `It' macros in `-diag' lists are not
1065: * parsed, even though `It' macros in general are parsed.
1066: */
1.151 schwarze 1067:
1.153 schwarze 1068: parsed = tok != MDOC_It ||
1069: mdoc->last->parent->tok != MDOC_Bl ||
1070: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1071:
1.45 kristaps 1072: /*
1073: * The `Nd' macro has all arguments in its body: it's a hybrid
1074: * of block partial-explicit and full-implicit. Stupid.
1075: */
1.19 kristaps 1076:
1.150 schwarze 1077: if (tok == MDOC_Nd) {
1.190 schwarze 1078: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1079: rew_last(mdoc, head);
1.190 schwarze 1080: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1081: }
1082:
1.150 schwarze 1083: if (tok == MDOC_Bk)
1.123 schwarze 1084: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1085:
1.205 schwarze 1086: ac = ARGS_EOLN;
1.150 schwarze 1087: for (;;) {
1.205 schwarze 1088:
1089: /*
1090: * If we are right after a tab character,
1091: * do not parse the first word for macros.
1092: */
1093:
1094: if (mdoc->flags & MDOC_PHRASEQN) {
1095: mdoc->flags &= ~MDOC_PHRASEQN;
1096: mdoc->flags |= MDOC_PHRASEQF;
1097: }
1098:
1.45 kristaps 1099: la = *pos;
1.150 schwarze 1100: lac = ac;
1.119 schwarze 1101: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1102: if (ac == ARGS_EOLN) {
1.205 schwarze 1103: if (lac != ARGS_PHRASE ||
1104: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1105: break;
1.205 schwarze 1106:
1.75 kristaps 1107: /*
1.205 schwarze 1108: * This line ends in a tab; start the next
1109: * column now, with a leading blank.
1.75 kristaps 1110: */
1.205 schwarze 1111:
1.167 schwarze 1112: if (body != NULL)
1113: rew_last(mdoc, body);
1.190 schwarze 1114: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1115: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1116: break;
1.75 kristaps 1117: }
1.205 schwarze 1118:
1.174 schwarze 1119: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1.227 schwarze 1120: mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
1121: "%s ... %s", roff_name[tok], buf + la);
1.228 schwarze 1122: if (ac == ARGS_ALLOC)
1123: free(p);
1.174 schwarze 1124: break;
1125: }
1.173 schwarze 1126: if (tok == MDOC_Rs) {
1.227 schwarze 1127: mandoc_msg(MANDOCERR_ARG_SKIP,
1.173 schwarze 1128: line, la, "Rs %s", buf + la);
1.228 schwarze 1129: if (ac == ARGS_ALLOC)
1130: free(p);
1.173 schwarze 1131: break;
1132: }
1133: if (ac == ARGS_PUNCT)
1134: break;
1.45 kristaps 1135:
1.131 schwarze 1136: /*
1.73 kristaps 1137: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1138: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1139: */
1.45 kristaps 1140:
1.150 schwarze 1141: if (head == NULL &&
1142: ac != ARGS_PHRASE &&
1143: mdoc_isdelim(p) == DELIM_OPEN) {
1144: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1145: if (ac == ARGS_ALLOC)
1146: free(p);
1.45 kristaps 1147: continue;
1148: }
1149:
1.74 kristaps 1150: /* Open a head if one hasn't been opened. */
1.45 kristaps 1151:
1.150 schwarze 1152: if (head == NULL)
1.190 schwarze 1153: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1154:
1.205 schwarze 1155: if (ac == ARGS_PHRASE) {
1.151 schwarze 1156:
1.73 kristaps 1157: /*
1.74 kristaps 1158: * If we haven't opened a body yet, rewind the
1159: * head; if we have, rewind that instead.
1160: */
1161:
1.167 schwarze 1162: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1163: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1164:
1.205 schwarze 1165: /* Process to the tab or to the end of the line. */
1.74 kristaps 1166:
1.205 schwarze 1167: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1168: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1169: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1170:
1171: /* There may have been `Ta' macros. */
1172:
1173: while (body->next != NULL)
1174: body = body->next;
1.1 kristaps 1175: continue;
1176: }
1177:
1.228 schwarze 1178: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
1179: if (ac == ARGS_ALLOC)
1180: free(p);
1181: if (done)
1.151 schwarze 1182: break;
1.45 kristaps 1183: }
1.1 kristaps 1184:
1.210 schwarze 1185: if (blk->flags & NODE_VALID)
1.165 schwarze 1186: return;
1.150 schwarze 1187: if (head == NULL)
1.190 schwarze 1188: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1189: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1190: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1191: if (body != NULL)
1.77 kristaps 1192: goto out;
1.187 schwarze 1193: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1194: return;
1.47 kristaps 1195:
1.45 kristaps 1196: /* Close out scopes to remain in a consistent state. */
1197:
1.167 schwarze 1198: rew_last(mdoc, head);
1.190 schwarze 1199: body = roff_body_alloc(mdoc, line, ppos, tok);
1.231 ! schwarze 1200:
! 1201: /*
! 1202: * Set up fill mode for display blocks.
! 1203: * This needs to be done here up front rather than during
! 1204: * validation such that child nodes get the right flags.
! 1205: */
! 1206:
! 1207: if (tok == MDOC_Bd && arg != NULL) {
! 1208: for (iarg = 0; iarg < arg->argc; iarg++) {
! 1209: switch (arg->argv[iarg].arg) {
! 1210: case MDOC_Unfilled:
! 1211: case MDOC_Literal:
! 1212: mdoc->flags |= ROFF_NOFILL;
! 1213: break;
! 1214: case MDOC_Filled:
! 1215: case MDOC_Ragged:
! 1216: case MDOC_Centred:
! 1217: mdoc->flags &= ~ROFF_NOFILL;
! 1218: break;
! 1219: default:
! 1220: continue;
! 1221: }
! 1222: break;
! 1223: }
! 1224: }
1.77 kristaps 1225: out:
1.150 schwarze 1226: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1227: rew_last(mdoc, body);
1228: rew_last(mdoc, blk);
1.150 schwarze 1229: mdoc->flags &= ~MDOC_FREECOL;
1230: }
1.1 kristaps 1231: }
1232:
1.151 schwarze 1233: static void
1.1 kristaps 1234: blk_part_imp(MACRO_PROT_ARGS)
1235: {
1.228 schwarze 1236: int done, la, nl;
1.55 kristaps 1237: enum margserr ac;
1.1 kristaps 1238: char *p;
1.185 schwarze 1239: struct roff_node *blk; /* saved block context */
1240: struct roff_node *body; /* saved body context */
1241: struct roff_node *n;
1.1 kristaps 1242:
1.119 schwarze 1243: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1244:
1.43 kristaps 1245: /*
1246: * A macro that spans to the end of the line. This is generally
1247: * (but not necessarily) called as the first macro. The block
1248: * has a head as the immediate child, which is always empty,
1249: * followed by zero or more opening punctuation nodes, then the
1250: * body (which may be empty, depending on the macro), then zero
1251: * or more closing punctuation nodes.
1252: */
1.32 kristaps 1253:
1.150 schwarze 1254: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1255: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1256:
1.43 kristaps 1257: /*
1258: * Open the body scope "on-demand", that is, after we've
1259: * processed all our the leading delimiters (open parenthesis,
1260: * etc.).
1261: */
1.1 kristaps 1262:
1.43 kristaps 1263: for (body = NULL; ; ) {
1.32 kristaps 1264: la = *pos;
1.119 schwarze 1265: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1266: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1267: break;
1268:
1.224 schwarze 1269: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1270: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1271: if (ac == ARGS_ALLOC)
1272: free(p);
1.1 kristaps 1273: continue;
1.123 schwarze 1274: }
1.1 kristaps 1275:
1.150 schwarze 1276: if (body == NULL)
1.190 schwarze 1277: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1278:
1.228 schwarze 1279: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1280: if (ac == ARGS_ALLOC)
1281: free(p);
1282: if (done)
1.151 schwarze 1283: break;
1.1 kristaps 1284: }
1.150 schwarze 1285: if (body == NULL)
1.190 schwarze 1286: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1287:
1.187 schwarze 1288: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1289: return;
1290:
1.164 schwarze 1291: rew_last(mdoc, body);
1.150 schwarze 1292: if (nl)
1293: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1294: rew_pending(mdoc, blk);
1.117 schwarze 1295:
1296: /* Move trailing .Ns out of scope. */
1297:
1298: for (n = body->child; n && n->next; n = n->next)
1299: /* Do nothing. */ ;
1.150 schwarze 1300: if (n && n->tok == MDOC_Ns)
1.226 schwarze 1301: roff_node_relink(mdoc, n);
1.1 kristaps 1302: }
1303:
1.151 schwarze 1304: static void
1.1 kristaps 1305: blk_part_exp(MACRO_PROT_ARGS)
1306: {
1.228 schwarze 1307: int done, la, nl;
1.55 kristaps 1308: enum margserr ac;
1.185 schwarze 1309: struct roff_node *head; /* keep track of head */
1.1 kristaps 1310: char *p;
1311:
1.119 schwarze 1312: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1313:
1.43 kristaps 1314: /*
1315: * The opening of an explicit macro having zero or more leading
1316: * punctuation nodes; a head with optional single element (the
1317: * case of `Eo'); and a body that may be empty.
1318: */
1.32 kristaps 1319:
1.193 schwarze 1320: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1321: head = NULL;
1322: for (;;) {
1.32 kristaps 1323: la = *pos;
1.119 schwarze 1324: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1325: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1326: break;
1.43 kristaps 1327:
1328: /* Flush out leading punctuation. */
1329:
1.224 schwarze 1330: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1331: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1332: if (ac == ARGS_ALLOC)
1333: free(p);
1.43 kristaps 1334: continue;
1.123 schwarze 1335: }
1.43 kristaps 1336:
1.150 schwarze 1337: if (head == NULL) {
1.190 schwarze 1338: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1339: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1340: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1341: rew_last(mdoc, head);
1.190 schwarze 1342: roff_body_alloc(mdoc, line, ppos, tok);
1.228 schwarze 1343: if (tok == MDOC_Eo) {
1344: if (ac == ARGS_ALLOC)
1345: free(p);
1.43 kristaps 1346: continue;
1.228 schwarze 1347: }
1.1 kristaps 1348: }
1.43 kristaps 1349:
1.228 schwarze 1350: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1351: if (ac == ARGS_ALLOC)
1352: free(p);
1353: if (done)
1.151 schwarze 1354: break;
1.1 kristaps 1355: }
1356:
1.43 kristaps 1357: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1358:
1.163 schwarze 1359: if (head == NULL) {
1.190 schwarze 1360: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1361: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1362: }
1.150 schwarze 1363: if (nl)
1364: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1365: }
1366:
1.151 schwarze 1367: static void
1.1 kristaps 1368: in_line_argn(MACRO_PROT_ARGS)
1369: {
1.53 kristaps 1370: struct mdoc_arg *arg;
1371: char *p;
1.181 schwarze 1372: enum margserr ac;
1.219 schwarze 1373: enum roff_tok ntok;
1.181 schwarze 1374: int state; /* arg#; -1: not yet open; -2: closed */
1375: int la, maxargs, nl;
1.1 kristaps 1376:
1.156 schwarze 1377: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1378:
1.46 kristaps 1379: /*
1380: * A line macro that has a fixed number of arguments (maxargs).
1381: * Only open the scope once the first non-leading-punctuation is
1382: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1383: * keep it open until the maximum number of arguments are
1384: * exhausted.
1385: */
1.1 kristaps 1386:
1387: switch (tok) {
1.131 schwarze 1388: case MDOC_Ap:
1389: case MDOC_Ns:
1390: case MDOC_Ux:
1.1 kristaps 1391: maxargs = 0;
1392: break;
1.131 schwarze 1393: case MDOC_Bx:
1.132 schwarze 1394: case MDOC_Es:
1.131 schwarze 1395: case MDOC_Xr:
1.42 kristaps 1396: maxargs = 2;
1397: break;
1.1 kristaps 1398: default:
1399: maxargs = 1;
1400: break;
1401: }
1402:
1.152 schwarze 1403: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1404:
1.181 schwarze 1405: state = -1;
1.156 schwarze 1406: p = NULL;
1407: for (;;) {
1.32 kristaps 1408: la = *pos;
1.119 schwarze 1409: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1410:
1.228 schwarze 1411: if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
1.225 schwarze 1412: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.181 schwarze 1413: mdoc_isdelim(p) == DELIM_OPEN) {
1414: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1415: if (ac == ARGS_ALLOC)
1416: free(p);
1.181 schwarze 1417: continue;
1418: }
1419:
1420: if (state == -1 && tok != MDOC_In &&
1421: tok != MDOC_St && tok != MDOC_Xr) {
1422: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1423: state = 0;
1424: }
1425:
1.156 schwarze 1426: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1427: if (abs(state) < 2 && tok == MDOC_Pf)
1.227 schwarze 1428: mandoc_msg(MANDOCERR_PF_SKIP,
1429: line, ppos, "Pf %s",
1.156 schwarze 1430: p == NULL ? "at eol" : p);
1.1 kristaps 1431: break;
1.156 schwarze 1432: }
1.1 kristaps 1433:
1.181 schwarze 1434: if (state == maxargs) {
1.149 schwarze 1435: rew_elem(mdoc, tok);
1.181 schwarze 1436: state = -2;
1.46 kristaps 1437: }
1438:
1.224 schwarze 1439: ntok = (tok == MDOC_Pf && state == 0) ?
1.191 schwarze 1440: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1441:
1.191 schwarze 1442: if (ntok != TOKEN_NONE) {
1.181 schwarze 1443: if (state >= 0) {
1.149 schwarze 1444: rew_elem(mdoc, tok);
1.181 schwarze 1445: state = -2;
1446: }
1.225 schwarze 1447: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
1448: line, la, pos, buf);
1.228 schwarze 1449: if (ac == ARGS_ALLOC)
1450: free(p);
1.1 kristaps 1451: break;
1452: }
1453:
1.225 schwarze 1454: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.181 schwarze 1455: mdoc_isdelim(p) == DELIM_NONE) {
1456: if (state == -1) {
1457: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1458: state = 1;
1459: } else if (state >= 0)
1460: state++;
1461: } else if (state >= 0) {
1.149 schwarze 1462: rew_elem(mdoc, tok);
1.181 schwarze 1463: state = -2;
1.1 kristaps 1464: }
1.42 kristaps 1465:
1.150 schwarze 1466: dword(mdoc, line, la, p, DELIM_MAX,
1.225 schwarze 1467: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 schwarze 1468: if (ac == ARGS_ALLOC)
1469: free(p);
1470: p = mdoc->last->string;
1.1 kristaps 1471: }
1472:
1.181 schwarze 1473: if (state == -1) {
1.227 schwarze 1474: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1475: line, ppos, "%s", roff_name[tok]);
1.181 schwarze 1476: return;
1.156 schwarze 1477: }
1.181 schwarze 1478:
1479: if (state == 0 && tok == MDOC_Pf)
1480: append_delims(mdoc, line, pos, buf);
1481: if (state >= 0)
1.149 schwarze 1482: rew_elem(mdoc, tok);
1.150 schwarze 1483: if (nl)
1484: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1485: }
1486:
1.151 schwarze 1487: static void
1.1 kristaps 1488: in_line_eoln(MACRO_PROT_ARGS)
1489: {
1.185 schwarze 1490: struct roff_node *n;
1.170 schwarze 1491: struct mdoc_arg *arg;
1.1 kristaps 1492:
1.170 schwarze 1493: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1494: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1495: n = mdoc->last;
1.189 schwarze 1496: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1497: n = n->parent;
1498: if (n->tok == MDOC_Nm)
1.198 schwarze 1499: rew_last(mdoc, n->parent);
1.178 schwarze 1500: }
1501:
1.179 schwarze 1502: if (buf[*pos] == '\0' &&
1.219 schwarze 1503: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.227 schwarze 1504: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1505: line, ppos, "%s", roff_name[tok]);
1.178 schwarze 1506: return;
1.170 schwarze 1507: }
1.90 schwarze 1508:
1.152 schwarze 1509: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1510: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1511: if (parse_rest(mdoc, tok, line, pos, buf))
1512: return;
1513: rew_elem(mdoc, tok);
1514: }
1515:
1516: /*
1517: * The simplest argument parser available: Parse the remaining
1518: * words until the end of the phrase or line and return 0
1519: * or until the next macro, call that macro, and return 1.
1520: */
1521: static int
1.219 schwarze 1522: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1523: int line, int *pos, char *buf)
1.154 schwarze 1524: {
1.228 schwarze 1525: char *p;
1526: int done, la;
1527: enum margserr ac;
1.1 kristaps 1528:
1529: for (;;) {
1530: la = *pos;
1.228 schwarze 1531: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1532: if (ac == ARGS_EOLN)
1.202 schwarze 1533: return 0;
1.228 schwarze 1534: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1535: if (ac == ARGS_ALLOC)
1536: free(p);
1537: if (done)
1.202 schwarze 1538: return 1;
1.1 kristaps 1539: }
1540: }
1541:
1.151 schwarze 1542: static void
1.41 kristaps 1543: ctx_synopsis(MACRO_PROT_ARGS)
1544: {
1.60 kristaps 1545:
1.151 schwarze 1546: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1547: in_line(mdoc, tok, line, ppos, pos, buf);
1548: else if (tok == MDOC_Nm)
1549: blk_full(mdoc, tok, line, ppos, pos, buf);
1550: else {
1551: assert(tok == MDOC_Vt);
1552: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1553: }
1.1 kristaps 1554: }
1555:
1.24 kristaps 1556: /*
1557: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1558: * They're unusual because they're basically free-form text until a
1559: * macro is encountered.
1560: */
1.151 schwarze 1561: static void
1.75 kristaps 1562: phrase_ta(MACRO_PROT_ARGS)
1563: {
1.185 schwarze 1564: struct roff_node *body, *n;
1.75 kristaps 1565:
1.121 schwarze 1566: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1567:
1.167 schwarze 1568: body = NULL;
1569: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1570: if (n->flags & NODE_ENDED)
1.167 schwarze 1571: continue;
1.184 schwarze 1572: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1573: body = n;
1.208 schwarze 1574: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1575: break;
1576: }
1577:
1.151 schwarze 1578: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.227 schwarze 1579: mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
1.151 schwarze 1580: return;
1.121 schwarze 1581: }
1.75 kristaps 1582:
1.121 schwarze 1583: /* Advance to the next column. */
1.150 schwarze 1584:
1.167 schwarze 1585: rew_last(mdoc, body);
1.190 schwarze 1586: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1587: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1588: }
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