Annotation of mandoc/mdoc_macro.c, Revision 1.230
1.230 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.229 2018/12/30 00:49:55 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.225 schwarze 4: * Copyright (c) 2010, 2012-2018 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.8 kristaps 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.184 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.8 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.184 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.8 kristaps 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
1.40 kristaps 18: #include "config.h"
1.140 schwarze 19:
20: #include <sys/types.h>
1.40 kristaps 21:
1.1 kristaps 22: #include <assert.h>
23: #include <ctype.h>
24: #include <stdlib.h>
25: #include <stdio.h>
26: #include <string.h>
1.38 kristaps 27: #include <time.h>
1.1 kristaps 28:
1.184 schwarze 29: #include "mandoc.h"
30: #include "roff.h"
1.106 kristaps 31: #include "mdoc.h"
1.184 schwarze 32: #include "libmandoc.h"
1.190 schwarze 33: #include "roff_int.h"
1.1 kristaps 34: #include "libmdoc.h"
35:
1.151 schwarze 36: static void blk_full(MACRO_PROT_ARGS);
37: static void blk_exp_close(MACRO_PROT_ARGS);
38: static void blk_part_exp(MACRO_PROT_ARGS);
39: static void blk_part_imp(MACRO_PROT_ARGS);
40: static void ctx_synopsis(MACRO_PROT_ARGS);
41: static void in_line_eoln(MACRO_PROT_ARGS);
42: static void in_line_argn(MACRO_PROT_ARGS);
43: static void in_line(MACRO_PROT_ARGS);
44: static void phrase_ta(MACRO_PROT_ARGS);
1.53 kristaps 45:
1.189 schwarze 46: static void append_delims(struct roff_man *, int, int *, char *);
47: static void dword(struct roff_man *, int, int, const char *,
1.187 schwarze 48: enum mdelim, int);
1.219 schwarze 49: static int find_pending(struct roff_man *, enum roff_tok,
50: int, int, struct roff_node *);
1.189 schwarze 51: static int lookup(struct roff_man *, int, int, int, const char *);
1.228 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);
1.151 schwarze 699: return;
1.1 kristaps 700: }
701:
1.166 schwarze 702: if (endbody != NULL)
703: n = endbody;
1.197 schwarze 704:
705: ntok = TOKEN_NONE;
1.148 schwarze 706: for (j = 0; ; j++) {
1.1 kristaps 707: lastarg = *pos;
708:
1.186 schwarze 709: if (j == maxargs && n != NULL)
710: rew_last(mdoc, n);
1.1 kristaps 711:
1.119 schwarze 712: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 713: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 714: break;
715:
1.224 schwarze 716: ntok = lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 717:
1.191 schwarze 718: if (ntok == TOKEN_NONE) {
1.150 schwarze 719: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.225 schwarze 720: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 schwarze 721: if (ac == ARGS_ALLOC)
722: free(p);
1.54 kristaps 723: continue;
724: }
1.228 schwarze 725: if (ac == ARGS_ALLOC)
726: free(p);
1.1 kristaps 727:
1.186 schwarze 728: if (n != NULL)
729: rew_last(mdoc, n);
1.122 schwarze 730: mdoc->flags &= ~MDOC_NEWLINE;
1.225 schwarze 731: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 732: break;
1.1 kristaps 733: }
734:
1.188 schwarze 735: if (n != NULL) {
1.212 schwarze 736: pending = 0;
1.210 schwarze 737: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 738: target = n;
739: do
740: target = target->parent;
1.210 schwarze 741: while ( ! (target->flags & NODE_ENDED));
1.215 schwarze 742: pending = find_pending(mdoc, ntok, line, ppos, target);
1.212 schwarze 743: }
1.188 schwarze 744: if ( ! pending)
745: rew_pending(mdoc, n);
746: }
1.150 schwarze 747: if (nl)
748: append_delims(mdoc, line, pos, buf);
1.1 kristaps 749: }
750:
1.151 schwarze 751: static void
1.1 kristaps 752: in_line(MACRO_PROT_ARGS)
753: {
1.144 schwarze 754: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.219 schwarze 755: enum roff_tok ntok;
1.55 kristaps 756: enum margserr ac;
1.67 schwarze 757: enum mdelim d;
1.53 kristaps 758: struct mdoc_arg *arg;
759: char *p;
1.1 kristaps 760:
1.119 schwarze 761: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 762:
1.4 kristaps 763: /*
764: * Whether we allow ignored elements (those without content,
765: * usually because of reserved words) to squeak by.
766: */
1.45 kristaps 767:
1.4 kristaps 768: switch (tok) {
1.131 schwarze 769: case MDOC_An:
770: case MDOC_Ar:
771: case MDOC_Fl:
772: case MDOC_Mt:
773: case MDOC_Nm:
774: case MDOC_Pa:
1.4 kristaps 775: nc = 1;
776: break;
777: default:
778: nc = 0;
779: break;
780: }
781:
1.152 schwarze 782: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 783:
1.144 schwarze 784: d = DELIM_NONE;
785: firstarg = 1;
1.142 schwarze 786: mayopen = 1;
1.70 kristaps 787: for (cnt = scope = 0;; ) {
1.1 kristaps 788: la = *pos;
1.119 schwarze 789: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 790:
1.144 schwarze 791: /*
792: * At the end of a macro line,
793: * opening delimiters do not suppress spacing.
794: */
795:
796: if (ac == ARGS_EOLN) {
797: if (d == DELIM_OPEN)
1.210 schwarze 798: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 799: break;
1.144 schwarze 800: }
801:
802: /*
803: * The rest of the macro line is only punctuation,
804: * to be handled by append_delims().
805: * If there were no other arguments,
806: * do not allow the first one to suppress spacing,
807: * even if it turns out to be a closing one.
808: */
809:
810: if (ac == ARGS_PUNCT) {
1.176 schwarze 811: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 812: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 813: break;
1.144 schwarze 814: }
1.1 kristaps 815:
1.224 schwarze 816: ntok = (tok == MDOC_Fn && !cnt) ?
1.191 schwarze 817: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 818:
1.131 schwarze 819: /*
1.4 kristaps 820: * In this case, we've located a submacro and must
821: * execute it. Close out scope, if open. If no
822: * elements have been generated, either create one (nc)
823: * or raise a warning.
824: */
1.1 kristaps 825:
1.191 schwarze 826: if (ntok != TOKEN_NONE) {
1.149 schwarze 827: if (scope)
828: rew_elem(mdoc, tok);
1.150 schwarze 829: if (nc && ! cnt) {
830: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 831: rew_last(mdoc, mdoc->last);
1.150 schwarze 832: } else if ( ! nc && ! cnt) {
1.7 kristaps 833: mdoc_argv_free(arg);
1.135 schwarze 834: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1.227 schwarze 835: line, ppos, "%s", roff_name[tok]);
1.7 kristaps 836: }
1.225 schwarze 837: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
838: line, la, pos, buf);
1.150 schwarze 839: if (nl)
840: append_delims(mdoc, line, pos, buf);
1.228 schwarze 841: if (ac == ARGS_ALLOC)
842: free(p);
1.151 schwarze 843: return;
1.131 schwarze 844: }
1.1 kristaps 845:
1.131 schwarze 846: /*
1.224 schwarze 847: * Handle punctuation. Set up our scope, if a word;
848: * rewind the scope, if a delimiter; then append the word.
1.4 kristaps 849: */
1.1 kristaps 850:
1.224 schwarze 851: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.70 kristaps 852: /*
853: * If we encounter closing punctuation, no word
1.144 schwarze 854: * has been emitted, no scope is open, and we're
1.70 kristaps 855: * allowed to have an empty element, then start
1.142 schwarze 856: * a new scope.
1.70 kristaps 857: */
1.142 schwarze 858: if ((d == DELIM_CLOSE ||
859: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 860: !cnt && !scope && nc && mayopen) {
1.150 schwarze 861: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 862: scope = 1;
1.142 schwarze 863: cnt++;
1.150 schwarze 864: if (tok == MDOC_Nm)
1.142 schwarze 865: mayopen = 0;
1.70 kristaps 866: }
867: /*
868: * Close out our scope, if one is open, before
869: * any punctuation.
870: */
1.224 schwarze 871: if (scope && tok != MDOC_Lk) {
1.149 schwarze 872: rew_elem(mdoc, tok);
1.224 schwarze 873: scope = 0;
874: if (tok == MDOC_Fn)
875: mayopen = 0;
876: }
1.142 schwarze 877: } else if (mayopen && !scope) {
1.150 schwarze 878: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 879: scope = 1;
1.142 schwarze 880: cnt++;
1.1 kristaps 881: }
1.105 kristaps 882:
1.150 schwarze 883: dword(mdoc, line, la, p, d,
1.225 schwarze 884: mdoc_macro(tok)->flags & MDOC_JOIN);
1.39 kristaps 885:
1.228 schwarze 886: if (ac == ARGS_ALLOC)
887: free(p);
888:
1.39 kristaps 889: /*
1.144 schwarze 890: * If the first argument is a closing delimiter,
891: * do not suppress spacing before it.
892: */
893:
894: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 895: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 896: firstarg = 0;
897:
898: /*
1.39 kristaps 899: * `Fl' macros have their scope re-opened with each new
900: * word so that the `-' can be added to each one without
901: * having to parse out spaces.
902: */
1.150 schwarze 903: if (scope && tok == MDOC_Fl) {
1.149 schwarze 904: rew_elem(mdoc, tok);
1.70 kristaps 905: scope = 0;
1.39 kristaps 906: }
1.1 kristaps 907: }
908:
1.218 schwarze 909: if (scope && tok != MDOC_Lk) {
1.149 schwarze 910: rew_elem(mdoc, tok);
1.218 schwarze 911: scope = 0;
912: }
1.4 kristaps 913:
914: /*
915: * If no elements have been collected and we're allowed to have
916: * empties (nc), open a scope and close it out. Otherwise,
917: * raise a warning.
918: */
1.45 kristaps 919:
1.150 schwarze 920: if ( ! cnt) {
921: if (nc) {
922: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
923: rew_last(mdoc, mdoc->last);
924: } else {
925: mdoc_argv_free(arg);
1.227 schwarze 926: mandoc_msg(MANDOCERR_MACRO_EMPTY,
927: line, ppos, "%s", roff_name[tok]);
1.150 schwarze 928: }
1.7 kristaps 929: }
1.150 schwarze 930: if (nl)
931: append_delims(mdoc, line, pos, buf);
1.218 schwarze 932: if (scope)
933: rew_elem(mdoc, tok);
1.1 kristaps 934: }
935:
1.151 schwarze 936: static void
1.1 kristaps 937: blk_full(MACRO_PROT_ARGS)
938: {
1.228 schwarze 939: int done, la, nl, parsed;
1.1 kristaps 940: struct mdoc_arg *arg;
1.185 schwarze 941: struct roff_node *blk; /* Our own or a broken block. */
942: struct roff_node *head; /* Our own head. */
943: struct roff_node *body; /* Our own body. */
944: struct roff_node *n;
1.59 kristaps 945: enum margserr ac, lac;
1.1 kristaps 946: char *p;
947:
1.119 schwarze 948: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 949:
1.177 schwarze 950: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
1.227 schwarze 951: mandoc_msg(MANDOCERR_MACRO_EMPTY,
952: line, ppos, "%s", roff_name[tok]);
1.177 schwarze 953: return;
954: }
955:
1.225 schwarze 956: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.171 schwarze 957:
958: /* Here, tok is one of Sh Ss Nm Nd It. */
959:
960: blk = NULL;
961: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 962: if (n->flags & NODE_ENDED) {
963: if ( ! (n->flags & NODE_VALID))
964: n->flags |= NODE_BROKEN;
1.183 schwarze 965: continue;
966: }
1.184 schwarze 967: if (n->type != ROFFT_BLOCK)
1.171 schwarze 968: continue;
1.183 schwarze 969:
1.171 schwarze 970: if (tok == MDOC_It && n->tok == MDOC_Bl) {
971: if (blk != NULL) {
1.227 schwarze 972: mandoc_msg(MANDOCERR_BLK_BROKEN,
973: line, ppos, "It breaks %s",
1.219 schwarze 974: roff_name[blk->tok]);
1.171 schwarze 975: rew_pending(mdoc, blk);
976: }
977: break;
978: }
979:
1.225 schwarze 980: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.171 schwarze 981: switch (tok) {
982: case MDOC_Sh:
983: case MDOC_Ss:
1.227 schwarze 984: mandoc_msg(MANDOCERR_BLK_BROKEN,
985: line, ppos,
1.219 schwarze 986: "%s breaks %s", roff_name[tok],
987: roff_name[n->tok]);
1.171 schwarze 988: rew_pending(mdoc, n);
1.180 schwarze 989: n = mdoc->last;
1.171 schwarze 990: continue;
991: case MDOC_It:
992: /* Delay in case it's astray. */
993: blk = n;
994: continue;
995: default:
996: break;
997: }
998: break;
999: }
1000:
1001: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 1002:
1.171 schwarze 1003: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1004: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1005: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 1006: break;
1.171 schwarze 1007:
1008: /* Item breaking an explicit block. */
1009:
1010: if (blk != NULL) {
1.227 schwarze 1011: mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
1.219 schwarze 1012: "It breaks %s", roff_name[blk->tok]);
1.171 schwarze 1013: rew_pending(mdoc, blk);
1.172 schwarze 1014: blk = NULL;
1.171 schwarze 1015: }
1016:
1017: /* Close out prior implicit scopes. */
1018:
1.211 schwarze 1019: rew_pending(mdoc, n);
1.171 schwarze 1020: }
1021:
1022: /* Skip items outside lists. */
1023:
1024: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.227 schwarze 1025: mandoc_msg(MANDOCERR_IT_STRAY,
1.138 schwarze 1026: line, ppos, "It %s", buf + *pos);
1.221 schwarze 1027: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1028: rew_elem(mdoc, ROFF_br);
1.151 schwarze 1029: return;
1.138 schwarze 1030: }
1.1 kristaps 1031: }
1032:
1.45 kristaps 1033: /*
1.109 kristaps 1034: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1035: * macro openings. Implicit ones first close out prior scope
1036: * (seen above). Delay opening the head until necessary to
1037: * allow leading punctuation to print. Special consideration
1038: * for `It -column', which has phrase-part syntax instead of
1039: * regular child nodes.
1040: */
1041:
1.152 schwarze 1042: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1043: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1044: head = body = NULL;
1.115 schwarze 1045:
1046: /*
1047: * Exception: Heads of `It' macros in `-diag' lists are not
1048: * parsed, even though `It' macros in general are parsed.
1049: */
1.151 schwarze 1050:
1.153 schwarze 1051: parsed = tok != MDOC_It ||
1052: mdoc->last->parent->tok != MDOC_Bl ||
1053: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1054:
1.45 kristaps 1055: /*
1056: * The `Nd' macro has all arguments in its body: it's a hybrid
1057: * of block partial-explicit and full-implicit. Stupid.
1058: */
1.19 kristaps 1059:
1.150 schwarze 1060: if (tok == MDOC_Nd) {
1.190 schwarze 1061: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1062: rew_last(mdoc, head);
1.190 schwarze 1063: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1064: }
1065:
1.150 schwarze 1066: if (tok == MDOC_Bk)
1.123 schwarze 1067: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1068:
1.205 schwarze 1069: ac = ARGS_EOLN;
1.150 schwarze 1070: for (;;) {
1.205 schwarze 1071:
1072: /*
1073: * If we are right after a tab character,
1074: * do not parse the first word for macros.
1075: */
1076:
1077: if (mdoc->flags & MDOC_PHRASEQN) {
1078: mdoc->flags &= ~MDOC_PHRASEQN;
1079: mdoc->flags |= MDOC_PHRASEQF;
1080: }
1081:
1.45 kristaps 1082: la = *pos;
1.150 schwarze 1083: lac = ac;
1.119 schwarze 1084: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1085: if (ac == ARGS_EOLN) {
1.205 schwarze 1086: if (lac != ARGS_PHRASE ||
1087: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1088: break;
1.205 schwarze 1089:
1.75 kristaps 1090: /*
1.205 schwarze 1091: * This line ends in a tab; start the next
1092: * column now, with a leading blank.
1.75 kristaps 1093: */
1.205 schwarze 1094:
1.167 schwarze 1095: if (body != NULL)
1096: rew_last(mdoc, body);
1.190 schwarze 1097: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1098: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1099: break;
1.75 kristaps 1100: }
1.205 schwarze 1101:
1.174 schwarze 1102: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1.227 schwarze 1103: mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
1104: "%s ... %s", roff_name[tok], buf + la);
1.228 schwarze 1105: if (ac == ARGS_ALLOC)
1106: free(p);
1.174 schwarze 1107: break;
1108: }
1.173 schwarze 1109: if (tok == MDOC_Rs) {
1.227 schwarze 1110: mandoc_msg(MANDOCERR_ARG_SKIP,
1.173 schwarze 1111: line, la, "Rs %s", buf + la);
1.228 schwarze 1112: if (ac == ARGS_ALLOC)
1113: free(p);
1.173 schwarze 1114: break;
1115: }
1116: if (ac == ARGS_PUNCT)
1117: break;
1.45 kristaps 1118:
1.131 schwarze 1119: /*
1.73 kristaps 1120: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1121: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1122: */
1.45 kristaps 1123:
1.150 schwarze 1124: if (head == NULL &&
1125: ac != ARGS_PHRASE &&
1126: mdoc_isdelim(p) == DELIM_OPEN) {
1127: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1128: if (ac == ARGS_ALLOC)
1129: free(p);
1.45 kristaps 1130: continue;
1131: }
1132:
1.74 kristaps 1133: /* Open a head if one hasn't been opened. */
1.45 kristaps 1134:
1.150 schwarze 1135: if (head == NULL)
1.190 schwarze 1136: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1137:
1.205 schwarze 1138: if (ac == ARGS_PHRASE) {
1.151 schwarze 1139:
1.73 kristaps 1140: /*
1.74 kristaps 1141: * If we haven't opened a body yet, rewind the
1142: * head; if we have, rewind that instead.
1143: */
1144:
1.167 schwarze 1145: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1146: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1147:
1.205 schwarze 1148: /* Process to the tab or to the end of the line. */
1.74 kristaps 1149:
1.205 schwarze 1150: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1151: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1152: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1153:
1154: /* There may have been `Ta' macros. */
1155:
1156: while (body->next != NULL)
1157: body = body->next;
1.1 kristaps 1158: continue;
1159: }
1160:
1.228 schwarze 1161: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
1162: if (ac == ARGS_ALLOC)
1163: free(p);
1164: if (done)
1.151 schwarze 1165: break;
1.45 kristaps 1166: }
1.1 kristaps 1167:
1.210 schwarze 1168: if (blk->flags & NODE_VALID)
1.165 schwarze 1169: return;
1.150 schwarze 1170: if (head == NULL)
1.190 schwarze 1171: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1172: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1173: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1174: if (body != NULL)
1.77 kristaps 1175: goto out;
1.187 schwarze 1176: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1177: return;
1.47 kristaps 1178:
1.45 kristaps 1179: /* Close out scopes to remain in a consistent state. */
1180:
1.167 schwarze 1181: rew_last(mdoc, head);
1.190 schwarze 1182: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1183: out:
1.150 schwarze 1184: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1185: rew_last(mdoc, body);
1186: rew_last(mdoc, blk);
1.150 schwarze 1187: mdoc->flags &= ~MDOC_FREECOL;
1188: }
1.1 kristaps 1189: }
1190:
1.151 schwarze 1191: static void
1.1 kristaps 1192: blk_part_imp(MACRO_PROT_ARGS)
1193: {
1.228 schwarze 1194: int done, la, nl;
1.55 kristaps 1195: enum margserr ac;
1.1 kristaps 1196: char *p;
1.185 schwarze 1197: struct roff_node *blk; /* saved block context */
1198: struct roff_node *body; /* saved body context */
1199: struct roff_node *n;
1.1 kristaps 1200:
1.119 schwarze 1201: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1202:
1.43 kristaps 1203: /*
1204: * A macro that spans to the end of the line. This is generally
1205: * (but not necessarily) called as the first macro. The block
1206: * has a head as the immediate child, which is always empty,
1207: * followed by zero or more opening punctuation nodes, then the
1208: * body (which may be empty, depending on the macro), then zero
1209: * or more closing punctuation nodes.
1210: */
1.32 kristaps 1211:
1.150 schwarze 1212: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1213: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1214:
1.43 kristaps 1215: /*
1216: * Open the body scope "on-demand", that is, after we've
1217: * processed all our the leading delimiters (open parenthesis,
1218: * etc.).
1219: */
1.1 kristaps 1220:
1.43 kristaps 1221: for (body = NULL; ; ) {
1.32 kristaps 1222: la = *pos;
1.119 schwarze 1223: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1224: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1225: break;
1226:
1.224 schwarze 1227: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1228: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1229: if (ac == ARGS_ALLOC)
1230: free(p);
1.1 kristaps 1231: continue;
1.123 schwarze 1232: }
1.1 kristaps 1233:
1.150 schwarze 1234: if (body == NULL)
1.190 schwarze 1235: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1236:
1.228 schwarze 1237: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1238: if (ac == ARGS_ALLOC)
1239: free(p);
1240: if (done)
1.151 schwarze 1241: break;
1.1 kristaps 1242: }
1.150 schwarze 1243: if (body == NULL)
1.190 schwarze 1244: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1245:
1.187 schwarze 1246: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1247: return;
1248:
1.164 schwarze 1249: rew_last(mdoc, body);
1.150 schwarze 1250: if (nl)
1251: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1252: rew_pending(mdoc, blk);
1.117 schwarze 1253:
1254: /* Move trailing .Ns out of scope. */
1255:
1256: for (n = body->child; n && n->next; n = n->next)
1257: /* Do nothing. */ ;
1.150 schwarze 1258: if (n && n->tok == MDOC_Ns)
1.226 schwarze 1259: roff_node_relink(mdoc, n);
1.1 kristaps 1260: }
1261:
1.151 schwarze 1262: static void
1.1 kristaps 1263: blk_part_exp(MACRO_PROT_ARGS)
1264: {
1.228 schwarze 1265: int done, la, nl;
1.55 kristaps 1266: enum margserr ac;
1.185 schwarze 1267: struct roff_node *head; /* keep track of head */
1.1 kristaps 1268: char *p;
1269:
1.119 schwarze 1270: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1271:
1.43 kristaps 1272: /*
1273: * The opening of an explicit macro having zero or more leading
1274: * punctuation nodes; a head with optional single element (the
1275: * case of `Eo'); and a body that may be empty.
1276: */
1.32 kristaps 1277:
1.193 schwarze 1278: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1279: head = NULL;
1280: for (;;) {
1.32 kristaps 1281: la = *pos;
1.119 schwarze 1282: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1283: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1284: break;
1.43 kristaps 1285:
1286: /* Flush out leading punctuation. */
1287:
1.224 schwarze 1288: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1289: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1290: if (ac == ARGS_ALLOC)
1291: free(p);
1.43 kristaps 1292: continue;
1.123 schwarze 1293: }
1.43 kristaps 1294:
1.150 schwarze 1295: if (head == NULL) {
1.190 schwarze 1296: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1297: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1298: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1299: rew_last(mdoc, head);
1.190 schwarze 1300: roff_body_alloc(mdoc, line, ppos, tok);
1.228 schwarze 1301: if (tok == MDOC_Eo) {
1302: if (ac == ARGS_ALLOC)
1303: free(p);
1.43 kristaps 1304: continue;
1.228 schwarze 1305: }
1.1 kristaps 1306: }
1.43 kristaps 1307:
1.228 schwarze 1308: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1309: if (ac == ARGS_ALLOC)
1310: free(p);
1311: if (done)
1.151 schwarze 1312: break;
1.1 kristaps 1313: }
1314:
1.43 kristaps 1315: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1316:
1.163 schwarze 1317: if (head == NULL) {
1.190 schwarze 1318: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1319: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1320: }
1.150 schwarze 1321: if (nl)
1322: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1323: }
1324:
1.151 schwarze 1325: static void
1.1 kristaps 1326: in_line_argn(MACRO_PROT_ARGS)
1327: {
1.53 kristaps 1328: struct mdoc_arg *arg;
1329: char *p;
1.181 schwarze 1330: enum margserr ac;
1.219 schwarze 1331: enum roff_tok ntok;
1.181 schwarze 1332: int state; /* arg#; -1: not yet open; -2: closed */
1333: int la, maxargs, nl;
1.1 kristaps 1334:
1.156 schwarze 1335: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1336:
1.46 kristaps 1337: /*
1338: * A line macro that has a fixed number of arguments (maxargs).
1339: * Only open the scope once the first non-leading-punctuation is
1340: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1341: * keep it open until the maximum number of arguments are
1342: * exhausted.
1343: */
1.1 kristaps 1344:
1345: switch (tok) {
1.131 schwarze 1346: case MDOC_Ap:
1347: case MDOC_Ns:
1348: case MDOC_Ux:
1.1 kristaps 1349: maxargs = 0;
1350: break;
1.131 schwarze 1351: case MDOC_Bx:
1.132 schwarze 1352: case MDOC_Es:
1.131 schwarze 1353: case MDOC_Xr:
1.42 kristaps 1354: maxargs = 2;
1355: break;
1.1 kristaps 1356: default:
1357: maxargs = 1;
1358: break;
1359: }
1360:
1.152 schwarze 1361: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1362:
1.181 schwarze 1363: state = -1;
1.156 schwarze 1364: p = NULL;
1365: for (;;) {
1.32 kristaps 1366: la = *pos;
1.119 schwarze 1367: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1368:
1.228 schwarze 1369: if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
1.225 schwarze 1370: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.181 schwarze 1371: mdoc_isdelim(p) == DELIM_OPEN) {
1372: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1373: if (ac == ARGS_ALLOC)
1374: free(p);
1.181 schwarze 1375: continue;
1376: }
1377:
1378: if (state == -1 && tok != MDOC_In &&
1379: tok != MDOC_St && tok != MDOC_Xr) {
1380: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1381: state = 0;
1382: }
1383:
1.156 schwarze 1384: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1385: if (abs(state) < 2 && tok == MDOC_Pf)
1.227 schwarze 1386: mandoc_msg(MANDOCERR_PF_SKIP,
1387: line, ppos, "Pf %s",
1.156 schwarze 1388: p == NULL ? "at eol" : p);
1.1 kristaps 1389: break;
1.156 schwarze 1390: }
1.1 kristaps 1391:
1.181 schwarze 1392: if (state == maxargs) {
1.149 schwarze 1393: rew_elem(mdoc, tok);
1.181 schwarze 1394: state = -2;
1.46 kristaps 1395: }
1396:
1.224 schwarze 1397: ntok = (tok == MDOC_Pf && state == 0) ?
1.191 schwarze 1398: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1399:
1.191 schwarze 1400: if (ntok != TOKEN_NONE) {
1.181 schwarze 1401: if (state >= 0) {
1.149 schwarze 1402: rew_elem(mdoc, tok);
1.181 schwarze 1403: state = -2;
1404: }
1.225 schwarze 1405: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
1406: line, la, pos, buf);
1.228 schwarze 1407: if (ac == ARGS_ALLOC)
1408: free(p);
1.1 kristaps 1409: break;
1410: }
1411:
1.225 schwarze 1412: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.181 schwarze 1413: mdoc_isdelim(p) == DELIM_NONE) {
1414: if (state == -1) {
1415: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1416: state = 1;
1417: } else if (state >= 0)
1418: state++;
1419: } else if (state >= 0) {
1.149 schwarze 1420: rew_elem(mdoc, tok);
1.181 schwarze 1421: state = -2;
1.1 kristaps 1422: }
1.42 kristaps 1423:
1.150 schwarze 1424: dword(mdoc, line, la, p, DELIM_MAX,
1.225 schwarze 1425: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 schwarze 1426: if (ac == ARGS_ALLOC)
1427: free(p);
1428: p = mdoc->last->string;
1.1 kristaps 1429: }
1430:
1.181 schwarze 1431: if (state == -1) {
1.227 schwarze 1432: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1433: line, ppos, "%s", roff_name[tok]);
1.181 schwarze 1434: return;
1.156 schwarze 1435: }
1.181 schwarze 1436:
1437: if (state == 0 && tok == MDOC_Pf)
1438: append_delims(mdoc, line, pos, buf);
1439: if (state >= 0)
1.149 schwarze 1440: rew_elem(mdoc, tok);
1.150 schwarze 1441: if (nl)
1442: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1443: }
1444:
1.151 schwarze 1445: static void
1.1 kristaps 1446: in_line_eoln(MACRO_PROT_ARGS)
1447: {
1.185 schwarze 1448: struct roff_node *n;
1.170 schwarze 1449: struct mdoc_arg *arg;
1.1 kristaps 1450:
1.170 schwarze 1451: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1452: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1453: n = mdoc->last;
1.189 schwarze 1454: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1455: n = n->parent;
1456: if (n->tok == MDOC_Nm)
1.198 schwarze 1457: rew_last(mdoc, n->parent);
1.178 schwarze 1458: }
1459:
1.179 schwarze 1460: if (buf[*pos] == '\0' &&
1.219 schwarze 1461: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.227 schwarze 1462: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1463: line, ppos, "%s", roff_name[tok]);
1.178 schwarze 1464: return;
1.170 schwarze 1465: }
1.90 schwarze 1466:
1.152 schwarze 1467: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1468: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1469: if (parse_rest(mdoc, tok, line, pos, buf))
1470: return;
1471: rew_elem(mdoc, tok);
1472: }
1473:
1474: /*
1475: * The simplest argument parser available: Parse the remaining
1476: * words until the end of the phrase or line and return 0
1477: * or until the next macro, call that macro, and return 1.
1478: */
1479: static int
1.219 schwarze 1480: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1481: int line, int *pos, char *buf)
1.154 schwarze 1482: {
1.228 schwarze 1483: char *p;
1484: int done, la;
1485: enum margserr ac;
1.1 kristaps 1486:
1487: for (;;) {
1488: la = *pos;
1.228 schwarze 1489: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1490: if (ac == ARGS_EOLN)
1.202 schwarze 1491: return 0;
1.228 schwarze 1492: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1493: if (ac == ARGS_ALLOC)
1494: free(p);
1495: if (done)
1.202 schwarze 1496: return 1;
1.1 kristaps 1497: }
1498: }
1499:
1.151 schwarze 1500: static void
1.41 kristaps 1501: ctx_synopsis(MACRO_PROT_ARGS)
1502: {
1.60 kristaps 1503:
1.151 schwarze 1504: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1505: in_line(mdoc, tok, line, ppos, pos, buf);
1506: else if (tok == MDOC_Nm)
1507: blk_full(mdoc, tok, line, ppos, pos, buf);
1508: else {
1509: assert(tok == MDOC_Vt);
1510: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1511: }
1.1 kristaps 1512: }
1513:
1.24 kristaps 1514: /*
1515: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1516: * They're unusual because they're basically free-form text until a
1517: * macro is encountered.
1518: */
1.151 schwarze 1519: static void
1.75 kristaps 1520: phrase_ta(MACRO_PROT_ARGS)
1521: {
1.185 schwarze 1522: struct roff_node *body, *n;
1.75 kristaps 1523:
1.121 schwarze 1524: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1525:
1.167 schwarze 1526: body = NULL;
1527: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1528: if (n->flags & NODE_ENDED)
1.167 schwarze 1529: continue;
1.184 schwarze 1530: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1531: body = n;
1.208 schwarze 1532: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1533: break;
1534: }
1535:
1.151 schwarze 1536: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.227 schwarze 1537: mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
1.151 schwarze 1538: return;
1.121 schwarze 1539: }
1.75 kristaps 1540:
1.121 schwarze 1541: /* Advance to the next column. */
1.150 schwarze 1542:
1.167 schwarze 1543: rew_last(mdoc, body);
1.190 schwarze 1544: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1545: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1546: }
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