Annotation of mandoc/mdoc_macro.c, Revision 1.224
1.224 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.223 2017/05/05 15:17:32 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.216 schwarze 4: * Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.8 kristaps 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.184 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.8 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.184 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.8 kristaps 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
1.40 kristaps 18: #include "config.h"
1.140 schwarze 19:
20: #include <sys/types.h>
1.40 kristaps 21:
1.1 kristaps 22: #include <assert.h>
23: #include <ctype.h>
24: #include <stdlib.h>
25: #include <stdio.h>
26: #include <string.h>
1.38 kristaps 27: #include <time.h>
1.1 kristaps 28:
1.184 schwarze 29: #include "mandoc.h"
30: #include "roff.h"
1.106 kristaps 31: #include "mdoc.h"
1.184 schwarze 32: #include "libmandoc.h"
1.190 schwarze 33: #include "roff_int.h"
1.1 kristaps 34: #include "libmdoc.h"
35:
1.151 schwarze 36: static void blk_full(MACRO_PROT_ARGS);
37: static void blk_exp_close(MACRO_PROT_ARGS);
38: static void blk_part_exp(MACRO_PROT_ARGS);
39: static void blk_part_imp(MACRO_PROT_ARGS);
40: static void ctx_synopsis(MACRO_PROT_ARGS);
41: static void in_line_eoln(MACRO_PROT_ARGS);
42: static void in_line_argn(MACRO_PROT_ARGS);
43: static void in_line(MACRO_PROT_ARGS);
44: static void phrase_ta(MACRO_PROT_ARGS);
1.53 kristaps 45:
1.189 schwarze 46: static void append_delims(struct roff_man *, int, int *, char *);
47: static void dword(struct roff_man *, int, int, const char *,
1.187 schwarze 48: enum mdelim, int);
1.219 schwarze 49: static int find_pending(struct roff_man *, enum roff_tok,
50: int, int, struct roff_node *);
1.189 schwarze 51: static int lookup(struct roff_man *, int, int, int, const char *);
1.153 schwarze 52: static int macro_or_word(MACRO_PROT_ARGS, int);
1.213 schwarze 53: static void break_intermediate(struct roff_node *,
1.219 schwarze 54: struct roff_node *);
55: static int parse_rest(struct roff_man *, enum roff_tok,
56: int, int *, char *);
57: static enum roff_tok rew_alt(enum roff_tok);
58: static void rew_elem(struct roff_man *, enum roff_tok);
1.189 schwarze 59: static void rew_last(struct roff_man *, const struct roff_node *);
60: static void rew_pending(struct roff_man *,
61: const struct roff_node *);
1.1 kristaps 62:
1.219 schwarze 63: 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: };
1.219 schwarze 204: const struct mdoc_macro *const mdoc_macros = __mdoc_macros - MDOC_Dd;
1.1 kristaps 205:
206:
207: /*
208: * This is called at the end of parsing. It must traverse up the tree,
209: * closing out open [implicit] scopes. Obviously, open explicit scopes
210: * are errors.
211: */
1.151 schwarze 212: void
1.195 schwarze 213: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 214: {
1.185 schwarze 215: struct roff_node *n;
1.1 kristaps 216:
217: /* Scan for open explicit scopes. */
218:
1.210 schwarze 219: n = mdoc->last->flags & NODE_VALID ?
1.131 schwarze 220: mdoc->last->parent : mdoc->last;
1.1 kristaps 221:
1.94 schwarze 222: for ( ; n; n = n->parent)
1.184 schwarze 223: if (n->type == ROFFT_BLOCK &&
1.151 schwarze 224: mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
1.137 schwarze 225: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
1.219 schwarze 226: n->line, n->pos, roff_name[n->tok]);
1.1 kristaps 227:
1.32 kristaps 228: /* Rewind to the first. */
229:
1.149 schwarze 230: rew_last(mdoc, mdoc->first);
1.206 schwarze 231: mdoc_state_reset(mdoc);
1.1 kristaps 232: }
233:
1.32 kristaps 234: /*
1.153 schwarze 235: * Look up the macro at *p called by "from",
1.191 schwarze 236: * or as a line macro if from == TOKEN_NONE.
1.32 kristaps 237: */
1.185 schwarze 238: static int
1.189 schwarze 239: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.28 kristaps 240: {
1.219 schwarze 241: enum roff_tok res;
1.1 kristaps 242:
1.205 schwarze 243: if (mdoc->flags & MDOC_PHRASEQF) {
244: mdoc->flags &= ~MDOC_PHRASEQF;
245: return TOKEN_NONE;
246: }
1.191 schwarze 247: if (from == TOKEN_NONE || mdoc_macros[from].flags & MDOC_PARSED) {
1.220 schwarze 248: res = roffhash_find(mdoc->mdocmac, p, 0);
1.191 schwarze 249: if (res != TOKEN_NONE) {
1.155 schwarze 250: if (mdoc_macros[res].flags & MDOC_CALLABLE)
1.202 schwarze 251: return res;
1.223 schwarze 252: mandoc_msg(MANDOCERR_MACRO_CALL,
253: mdoc->parse, line, ppos, p);
1.155 schwarze 254: }
1.153 schwarze 255: }
1.202 schwarze 256: return TOKEN_NONE;
1.1 kristaps 257: }
258:
1.166 schwarze 259: /*
260: * Rewind up to and including a specific node.
261: */
1.149 schwarze 262: static void
1.189 schwarze 263: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 264: {
265:
1.210 schwarze 266: if (to->flags & NODE_VALID)
1.186 schwarze 267: return;
268:
1.1 kristaps 269: while (mdoc->last != to) {
1.206 schwarze 270: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 271: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.206 schwarze 272: mdoc->last = mdoc->last->parent;
1.1 kristaps 273: }
1.206 schwarze 274: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 275: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.200 schwarze 276: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 277: }
278:
1.32 kristaps 279: /*
1.166 schwarze 280: * Rewind up to a specific block, including all blocks that broke it.
281: */
282: static void
1.189 schwarze 283: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.166 schwarze 284: {
285:
1.183 schwarze 286: for (;;) {
287: rew_last(mdoc, n);
288:
1.194 schwarze 289: if (mdoc->last == n) {
290: switch (n->type) {
291: case ROFFT_HEAD:
292: roff_body_alloc(mdoc, n->line, n->pos,
293: n->tok);
1.207 schwarze 294: break;
1.194 schwarze 295: case ROFFT_BLOCK:
296: break;
297: default:
298: return;
299: }
1.210 schwarze 300: if ( ! (n->flags & NODE_BROKEN))
1.194 schwarze 301: return;
302: } else
303: n = mdoc->last;
1.166 schwarze 304:
1.183 schwarze 305: for (;;) {
306: if ((n = n->parent) == NULL)
307: return;
308:
1.184 schwarze 309: if (n->type == ROFFT_BLOCK ||
310: n->type == ROFFT_HEAD) {
1.210 schwarze 311: if (n->flags & NODE_ENDED)
1.183 schwarze 312: break;
313: else
314: return;
315: }
316: }
1.166 schwarze 317: }
318: }
319:
320: /*
1.84 schwarze 321: * For a block closing macro, return the corresponding opening one.
322: * Otherwise, return the macro itself.
1.32 kristaps 323: */
1.219 schwarze 324: static enum roff_tok
325: rew_alt(enum roff_tok tok)
1.1 kristaps 326: {
327: switch (tok) {
1.131 schwarze 328: case MDOC_Ac:
1.202 schwarze 329: return MDOC_Ao;
1.131 schwarze 330: case MDOC_Bc:
1.202 schwarze 331: return MDOC_Bo;
1.131 schwarze 332: case MDOC_Brc:
1.202 schwarze 333: return MDOC_Bro;
1.131 schwarze 334: case MDOC_Dc:
1.202 schwarze 335: return MDOC_Do;
1.131 schwarze 336: case MDOC_Ec:
1.202 schwarze 337: return MDOC_Eo;
1.131 schwarze 338: case MDOC_Ed:
1.202 schwarze 339: return MDOC_Bd;
1.131 schwarze 340: case MDOC_Ef:
1.202 schwarze 341: return MDOC_Bf;
1.131 schwarze 342: case MDOC_Ek:
1.202 schwarze 343: return MDOC_Bk;
1.131 schwarze 344: case MDOC_El:
1.202 schwarze 345: return MDOC_Bl;
1.131 schwarze 346: case MDOC_Fc:
1.202 schwarze 347: return MDOC_Fo;
1.131 schwarze 348: case MDOC_Oc:
1.202 schwarze 349: return MDOC_Oo;
1.131 schwarze 350: case MDOC_Pc:
1.202 schwarze 351: return MDOC_Po;
1.131 schwarze 352: case MDOC_Qc:
1.202 schwarze 353: return MDOC_Qo;
1.131 schwarze 354: case MDOC_Re:
1.202 schwarze 355: return MDOC_Rs;
1.131 schwarze 356: case MDOC_Sc:
1.202 schwarze 357: return MDOC_So;
1.131 schwarze 358: case MDOC_Xc:
1.202 schwarze 359: return MDOC_Xo;
1.1 kristaps 360: default:
1.202 schwarze 361: return tok;
1.1 kristaps 362: }
363: }
364:
1.149 schwarze 365: static void
1.219 schwarze 366: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 367: {
1.185 schwarze 368: struct roff_node *n;
1.1 kristaps 369:
370: n = mdoc->last;
1.184 schwarze 371: if (n->type != ROFFT_ELEM)
1.1 kristaps 372: n = n->parent;
1.184 schwarze 373: assert(n->type == ROFFT_ELEM);
1.1 kristaps 374: assert(tok == n->tok);
1.149 schwarze 375: rew_last(mdoc, n);
1.1 kristaps 376: }
377:
1.213 schwarze 378: static void
379: break_intermediate(struct roff_node *n, struct roff_node *breaker)
380: {
1.217 schwarze 381: if (n != breaker &&
382: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
383: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
384: n = n->parent;
1.213 schwarze 385: while (n != breaker) {
386: if ( ! (n->flags & NODE_VALID))
387: n->flags |= NODE_BROKEN;
388: n = n->parent;
389: }
390: }
391:
1.83 schwarze 392: /*
1.187 schwarze 393: * If there is an open sub-block of the target requiring
394: * explicit close-out, postpone closing out the target until
395: * the rew_pending() call closing out the sub-block.
396: */
397: static int
1.219 schwarze 398: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.187 schwarze 399: struct roff_node *target)
400: {
401: struct roff_node *n;
402: int irc;
403:
1.215 schwarze 404: if (target->flags & NODE_VALID)
405: return 0;
406:
1.187 schwarze 407: irc = 0;
408: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.213 schwarze 409: if (n->flags & NODE_ENDED)
1.187 schwarze 410: continue;
411: if (n->type == ROFFT_BLOCK &&
412: mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
413: irc = 1;
1.217 schwarze 414: break_intermediate(mdoc->last, target);
1.187 schwarze 415: if (target->type == ROFFT_HEAD)
1.212 schwarze 416: target->flags |= NODE_ENDED;
1.210 schwarze 417: else if ( ! (target->flags & NODE_ENDED)) {
1.187 schwarze 418: mandoc_vmsg(MANDOCERR_BLK_NEST,
419: mdoc->parse, line, ppos,
1.219 schwarze 420: "%s breaks %s", roff_name[tok],
421: roff_name[n->tok]);
1.187 schwarze 422: mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 423: tok, target);
1.187 schwarze 424: }
425: }
426: }
1.202 schwarze 427: return irc;
1.187 schwarze 428: }
429:
430: /*
1.105 kristaps 431: * Allocate a word and check whether it's punctuation or not.
432: * Punctuation consists of those tokens found in mdoc_isdelim().
433: */
1.150 schwarze 434: static void
1.189 schwarze 435: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 436: enum mdelim d, int may_append)
1.105 kristaps 437: {
1.131 schwarze 438:
1.150 schwarze 439: if (d == DELIM_MAX)
1.105 kristaps 440: d = mdoc_isdelim(p);
441:
1.123 schwarze 442: if (may_append &&
1.150 schwarze 443: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 444: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 445: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 446: roff_word_append(mdoc, p);
1.150 schwarze 447: return;
1.123 schwarze 448: }
449:
1.192 schwarze 450: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 451:
1.108 schwarze 452: /*
1.144 schwarze 453: * If the word consists of a bare delimiter,
454: * flag the new node accordingly,
455: * unless doing so was vetoed by the invoking macro.
456: * Always clear the veto, it is only valid for one word.
1.108 schwarze 457: */
458:
1.144 schwarze 459: if (d == DELIM_OPEN)
1.210 schwarze 460: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 461: else if (d == DELIM_CLOSE &&
462: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 463: mdoc->last->parent->tok != MDOC_Fd)
1.210 schwarze 464: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 465: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 466: }
1.1 kristaps 467:
1.150 schwarze 468: static void
1.189 schwarze 469: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 470: {
1.153 schwarze 471: char *p;
1.66 kristaps 472: int la;
1.1 kristaps 473:
1.150 schwarze 474: if (buf[*pos] == '\0')
475: return;
1.1 kristaps 476:
477: for (;;) {
1.66 kristaps 478: la = *pos;
1.191 schwarze 479: if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
480: ARGS_EOLN)
1.1 kristaps 481: break;
1.123 schwarze 482: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 483:
484: /*
485: * If we encounter end-of-sentence symbols, then trigger
486: * the double-space.
487: *
1.109 kristaps 488: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 489: * the last symbol, such that `. )' will cause the
490: * correct double-spacing. However, (1) groff isn't
491: * smart enough to do this and (2) it would require
492: * knowing which symbols break this behaviour, for
1.109 kristaps 493: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 494: */
1.150 schwarze 495:
1.127 schwarze 496: if (mandoc_eos(p, strlen(p)))
1.210 schwarze 497: mdoc->last->flags |= NODE_EOS;
1.1 kristaps 498: }
499: }
500:
501: /*
1.153 schwarze 502: * Parse one word.
503: * If it is a macro, call it and return 1.
504: * Otherwise, allocate it and return 0.
505: */
506: static int
507: macro_or_word(MACRO_PROT_ARGS, int parsed)
508: {
509: char *p;
1.185 schwarze 510: int ntok;
1.153 schwarze 511:
512: p = buf + ppos;
1.191 schwarze 513: ntok = TOKEN_NONE;
1.157 schwarze 514: if (*p == '"')
1.153 schwarze 515: p++;
1.157 schwarze 516: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.155 schwarze 517: ntok = lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 518:
1.191 schwarze 519: if (ntok == TOKEN_NONE) {
520: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.153 schwarze 521: mdoc_macros[tok].flags & MDOC_JOIN);
1.202 schwarze 522: return 0;
1.153 schwarze 523: } else {
1.219 schwarze 524: if (tok != TOKEN_NONE &&
525: mdoc_macros[tok].fp == in_line_eoln)
1.153 schwarze 526: rew_elem(mdoc, tok);
527: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 528: if (tok == TOKEN_NONE)
1.153 schwarze 529: append_delims(mdoc, line, pos, buf);
1.202 schwarze 530: return 1;
1.153 schwarze 531: }
532: }
533:
534: /*
1.131 schwarze 535: * Close out block partial/full explicit.
1.1 kristaps 536: */
1.151 schwarze 537: static void
1.1 kristaps 538: blk_exp_close(MACRO_PROT_ARGS)
539: {
1.185 schwarze 540: struct roff_node *body; /* Our own body. */
541: struct roff_node *endbody; /* Our own end marker. */
542: struct roff_node *itblk; /* An It block starting later. */
543: struct roff_node *later; /* A sub-block starting later. */
544: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 545: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 546:
1.188 schwarze 547: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 548: enum margserr ac;
1.219 schwarze 549: enum roff_tok atok, ntok;
1.1 kristaps 550: char *p;
551:
1.119 schwarze 552: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 553:
1.1 kristaps 554: switch (tok) {
1.131 schwarze 555: case MDOC_Ec:
1.1 kristaps 556: maxargs = 1;
557: break;
1.131 schwarze 558: case MDOC_Ek:
1.125 schwarze 559: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 560: /* FALLTHROUGH */
1.1 kristaps 561: default:
562: maxargs = 0;
563: break;
564: }
565:
1.209 schwarze 566: /* Search backwards for the beginning of our own body. */
567:
568: atok = rew_alt(tok);
569: body = NULL;
570: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 571: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 572: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
573: continue;
574: body = n;
575: break;
576: }
577:
1.83 schwarze 578: /*
579: * Search backwards for beginnings of blocks,
580: * both of our own and of pending sub-blocks.
581: */
1.151 schwarze 582:
1.209 schwarze 583: endbody = itblk = later = NULL;
1.119 schwarze 584: for (n = mdoc->last; n; n = n->parent) {
1.213 schwarze 585: if (n->flags & NODE_ENDED)
1.83 schwarze 586: continue;
587:
1.209 schwarze 588: /*
1.211 schwarze 589: * Mismatching end macros can never break anything
1.209 schwarze 590: * and we only care about the breaking of BLOCKs.
591: */
1.83 schwarze 592:
1.211 schwarze 593: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 594: continue;
1.160 schwarze 595:
1.211 schwarze 596: /*
597: * SYNOPSIS name blocks can not be broken themselves,
598: * but they do get broken together with a broken child.
599: */
600:
601: if (n->tok == MDOC_Nm) {
602: if (later != NULL)
603: n->flags |= NODE_BROKEN | NODE_ENDED;
604: continue;
605: }
606:
1.160 schwarze 607: if (n->tok == MDOC_It) {
1.171 schwarze 608: itblk = n;
1.160 schwarze 609: continue;
610: }
611:
1.83 schwarze 612: if (atok == n->tok) {
613:
614: /*
615: * Found the start of our own block.
616: * When there is no pending sub block,
617: * just proceed to closing out.
618: */
1.151 schwarze 619:
1.160 schwarze 620: if (later == NULL ||
1.171 schwarze 621: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 622: break;
623:
1.131 schwarze 624: /*
1.167 schwarze 625: * When there is a pending sub block, postpone
626: * closing out the current block until the
627: * rew_pending() closing out the sub-block.
1.83 schwarze 628: * Mark the place where the formatting - but not
629: * the scope - of the current block ends.
630: */
1.151 schwarze 631:
1.183 schwarze 632: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
633: line, ppos, "%s breaks %s",
1.219 schwarze 634: roff_name[atok], roff_name[later->tok]);
1.183 schwarze 635:
1.166 schwarze 636: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 637: atok, body);
1.151 schwarze 638:
1.183 schwarze 639: if (tok == MDOC_El)
1.210 schwarze 640: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 641:
1.151 schwarze 642: /*
643: * If a block closing macro taking arguments
644: * breaks another block, put the arguments
1.166 schwarze 645: * into the end marker.
1.151 schwarze 646: */
647:
1.166 schwarze 648: if (maxargs)
1.189 schwarze 649: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 650: break;
1.182 schwarze 651: }
652:
1.214 schwarze 653: /*
654: * Explicit blocks close out description lines, but
655: * even those can get broken together with a child.
656: */
1.182 schwarze 657:
658: if (n->tok == MDOC_Nd) {
1.214 schwarze 659: if (later != NULL)
660: n->flags |= NODE_BROKEN | NODE_ENDED;
661: else
662: rew_last(mdoc, n);
1.182 schwarze 663: continue;
1.83 schwarze 664: }
665:
1.183 schwarze 666: /* Breaking an open sub block. */
1.151 schwarze 667:
1.213 schwarze 668: break_intermediate(mdoc->last, body);
1.210 schwarze 669: n->flags |= NODE_BROKEN;
1.183 schwarze 670: if (later == NULL)
1.83 schwarze 671: later = n;
672: }
1.166 schwarze 673:
674: if (body == NULL) {
675: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
1.219 schwarze 676: line, ppos, roff_name[tok]);
1.166 schwarze 677: if (maxargs && endbody == NULL) {
678: /*
679: * Stray .Ec without previous .Eo:
680: * Break the output line, keep the arguments.
681: */
1.221 schwarze 682: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
683: rew_elem(mdoc, ROFF_br);
1.166 schwarze 684: }
685: } else if (endbody == NULL) {
686: rew_last(mdoc, body);
687: if (maxargs)
688: mdoc_tail_alloc(mdoc, line, ppos, atok);
689: }
1.83 schwarze 690:
1.150 schwarze 691: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
692: if (buf[*pos] != '\0')
1.136 schwarze 693: mandoc_vmsg(MANDOCERR_ARG_SKIP,
694: mdoc->parse, line, ppos,
1.219 schwarze 695: "%s %s", roff_name[tok],
1.136 schwarze 696: 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,
720: MDOC_JOIN & mdoc_macros[tok].flags);
1.54 kristaps 721: continue;
722: }
1.1 kristaps 723:
1.186 schwarze 724: if (n != NULL)
725: rew_last(mdoc, n);
1.122 schwarze 726: mdoc->flags &= ~MDOC_NEWLINE;
1.151 schwarze 727: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 728: break;
1.1 kristaps 729: }
730:
1.188 schwarze 731: if (n != NULL) {
1.212 schwarze 732: pending = 0;
1.210 schwarze 733: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 734: target = n;
735: do
736: target = target->parent;
1.210 schwarze 737: while ( ! (target->flags & NODE_ENDED));
1.215 schwarze 738: pending = find_pending(mdoc, ntok, line, ppos, target);
1.212 schwarze 739: }
1.188 schwarze 740: if ( ! pending)
741: rew_pending(mdoc, n);
742: }
1.150 schwarze 743: if (nl)
744: append_delims(mdoc, line, pos, buf);
1.1 kristaps 745: }
746:
1.151 schwarze 747: static void
1.1 kristaps 748: in_line(MACRO_PROT_ARGS)
749: {
1.144 schwarze 750: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.219 schwarze 751: enum roff_tok ntok;
1.55 kristaps 752: enum margserr ac;
1.67 schwarze 753: enum mdelim d;
1.53 kristaps 754: struct mdoc_arg *arg;
755: char *p;
1.1 kristaps 756:
1.119 schwarze 757: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 758:
1.4 kristaps 759: /*
760: * Whether we allow ignored elements (those without content,
761: * usually because of reserved words) to squeak by.
762: */
1.45 kristaps 763:
1.4 kristaps 764: switch (tok) {
1.131 schwarze 765: case MDOC_An:
766: case MDOC_Ar:
767: case MDOC_Fl:
768: case MDOC_Mt:
769: case MDOC_Nm:
770: case MDOC_Pa:
1.4 kristaps 771: nc = 1;
772: break;
773: default:
774: nc = 0;
775: break;
776: }
777:
1.152 schwarze 778: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 779:
1.144 schwarze 780: d = DELIM_NONE;
781: firstarg = 1;
1.142 schwarze 782: mayopen = 1;
1.70 kristaps 783: for (cnt = scope = 0;; ) {
1.1 kristaps 784: la = *pos;
1.119 schwarze 785: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 786:
1.144 schwarze 787: /*
788: * At the end of a macro line,
789: * opening delimiters do not suppress spacing.
790: */
791:
792: if (ac == ARGS_EOLN) {
793: if (d == DELIM_OPEN)
1.210 schwarze 794: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 795: break;
1.144 schwarze 796: }
797:
798: /*
799: * The rest of the macro line is only punctuation,
800: * to be handled by append_delims().
801: * If there were no other arguments,
802: * do not allow the first one to suppress spacing,
803: * even if it turns out to be a closing one.
804: */
805:
806: if (ac == ARGS_PUNCT) {
1.176 schwarze 807: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 808: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 809: break;
1.144 schwarze 810: }
1.1 kristaps 811:
1.224 ! schwarze 812: ntok = (tok == MDOC_Fn && !cnt) ?
1.191 schwarze 813: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 814:
1.131 schwarze 815: /*
1.4 kristaps 816: * In this case, we've located a submacro and must
817: * execute it. Close out scope, if open. If no
818: * elements have been generated, either create one (nc)
819: * or raise a warning.
820: */
1.1 kristaps 821:
1.191 schwarze 822: if (ntok != TOKEN_NONE) {
1.149 schwarze 823: if (scope)
824: rew_elem(mdoc, tok);
1.150 schwarze 825: if (nc && ! cnt) {
826: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 827: rew_last(mdoc, mdoc->last);
1.150 schwarze 828: } else if ( ! nc && ! cnt) {
1.7 kristaps 829: mdoc_argv_free(arg);
1.135 schwarze 830: mandoc_msg(MANDOCERR_MACRO_EMPTY,
831: mdoc->parse, line, ppos,
1.219 schwarze 832: roff_name[tok]);
1.7 kristaps 833: }
1.151 schwarze 834: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.150 schwarze 835: if (nl)
836: append_delims(mdoc, line, pos, buf);
1.151 schwarze 837: return;
1.131 schwarze 838: }
1.1 kristaps 839:
1.131 schwarze 840: /*
1.224 ! schwarze 841: * Handle punctuation. Set up our scope, if a word;
! 842: * rewind the scope, if a delimiter; then append the word.
1.4 kristaps 843: */
1.1 kristaps 844:
1.224 ! schwarze 845: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.70 kristaps 846: /*
847: * If we encounter closing punctuation, no word
1.144 schwarze 848: * has been emitted, no scope is open, and we're
1.70 kristaps 849: * allowed to have an empty element, then start
1.142 schwarze 850: * a new scope.
1.70 kristaps 851: */
1.142 schwarze 852: if ((d == DELIM_CLOSE ||
853: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 854: !cnt && !scope && nc && mayopen) {
1.150 schwarze 855: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 856: scope = 1;
1.142 schwarze 857: cnt++;
1.150 schwarze 858: if (tok == MDOC_Nm)
1.142 schwarze 859: mayopen = 0;
1.70 kristaps 860: }
861: /*
862: * Close out our scope, if one is open, before
863: * any punctuation.
864: */
1.224 ! schwarze 865: if (scope && tok != MDOC_Lk) {
1.149 schwarze 866: rew_elem(mdoc, tok);
1.224 ! schwarze 867: scope = 0;
! 868: if (tok == MDOC_Fn)
! 869: mayopen = 0;
! 870: }
1.142 schwarze 871: } else if (mayopen && !scope) {
1.150 schwarze 872: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 873: scope = 1;
1.142 schwarze 874: cnt++;
1.1 kristaps 875: }
1.105 kristaps 876:
1.150 schwarze 877: dword(mdoc, line, la, p, d,
1.219 schwarze 878: mdoc_macros[tok].flags & MDOC_JOIN);
1.39 kristaps 879:
880: /*
1.144 schwarze 881: * If the first argument is a closing delimiter,
882: * do not suppress spacing before it.
883: */
884:
885: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 886: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 887: firstarg = 0;
888:
889: /*
1.39 kristaps 890: * `Fl' macros have their scope re-opened with each new
891: * word so that the `-' can be added to each one without
892: * having to parse out spaces.
893: */
1.150 schwarze 894: if (scope && tok == MDOC_Fl) {
1.149 schwarze 895: rew_elem(mdoc, tok);
1.70 kristaps 896: scope = 0;
1.39 kristaps 897: }
1.1 kristaps 898: }
899:
1.218 schwarze 900: if (scope && tok != MDOC_Lk) {
1.149 schwarze 901: rew_elem(mdoc, tok);
1.218 schwarze 902: scope = 0;
903: }
1.4 kristaps 904:
905: /*
906: * If no elements have been collected and we're allowed to have
907: * empties (nc), open a scope and close it out. Otherwise,
908: * raise a warning.
909: */
1.45 kristaps 910:
1.150 schwarze 911: if ( ! cnt) {
912: if (nc) {
913: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
914: rew_last(mdoc, mdoc->last);
915: } else {
916: mdoc_argv_free(arg);
917: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 918: line, ppos, roff_name[tok]);
1.150 schwarze 919: }
1.7 kristaps 920: }
1.150 schwarze 921: if (nl)
922: append_delims(mdoc, line, pos, buf);
1.218 schwarze 923: if (scope)
924: rew_elem(mdoc, tok);
1.1 kristaps 925: }
926:
1.151 schwarze 927: static void
1.1 kristaps 928: blk_full(MACRO_PROT_ARGS)
929: {
1.153 schwarze 930: int la, nl, parsed;
1.1 kristaps 931: struct mdoc_arg *arg;
1.185 schwarze 932: struct roff_node *blk; /* Our own or a broken block. */
933: struct roff_node *head; /* Our own head. */
934: struct roff_node *body; /* Our own body. */
935: struct roff_node *n;
1.59 kristaps 936: enum margserr ac, lac;
1.1 kristaps 937: char *p;
938:
1.119 schwarze 939: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 940:
1.177 schwarze 941: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
942: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 943: line, ppos, roff_name[tok]);
1.177 schwarze 944: return;
945: }
946:
1.171 schwarze 947: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
948:
949: /* Here, tok is one of Sh Ss Nm Nd It. */
950:
951: blk = NULL;
952: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 953: if (n->flags & NODE_ENDED) {
954: if ( ! (n->flags & NODE_VALID))
955: n->flags |= NODE_BROKEN;
1.183 schwarze 956: continue;
957: }
1.184 schwarze 958: if (n->type != ROFFT_BLOCK)
1.171 schwarze 959: continue;
1.183 schwarze 960:
1.171 schwarze 961: if (tok == MDOC_It && n->tok == MDOC_Bl) {
962: if (blk != NULL) {
963: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
964: mdoc->parse, line, ppos,
965: "It breaks %s",
1.219 schwarze 966: roff_name[blk->tok]);
1.171 schwarze 967: rew_pending(mdoc, blk);
968: }
969: break;
970: }
971:
972: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
973: switch (tok) {
974: case MDOC_Sh:
975: case MDOC_Ss:
976: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
977: mdoc->parse, line, ppos,
1.219 schwarze 978: "%s breaks %s", roff_name[tok],
979: roff_name[n->tok]);
1.171 schwarze 980: rew_pending(mdoc, n);
1.180 schwarze 981: n = mdoc->last;
1.171 schwarze 982: continue;
983: case MDOC_It:
984: /* Delay in case it's astray. */
985: blk = n;
986: continue;
987: default:
988: break;
989: }
990: break;
991: }
992:
993: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 994:
1.171 schwarze 995: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
996: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
997: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 998: break;
1.171 schwarze 999:
1000: /* Item breaking an explicit block. */
1001:
1002: if (blk != NULL) {
1003: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
1004: mdoc->parse, line, ppos,
1.219 schwarze 1005: "It breaks %s", roff_name[blk->tok]);
1.171 schwarze 1006: rew_pending(mdoc, blk);
1.172 schwarze 1007: blk = NULL;
1.171 schwarze 1008: }
1009:
1010: /* Close out prior implicit scopes. */
1011:
1.211 schwarze 1012: rew_pending(mdoc, n);
1.171 schwarze 1013: }
1014:
1015: /* Skip items outside lists. */
1016:
1017: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.138 schwarze 1018: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1019: line, ppos, "It %s", buf + *pos);
1.221 schwarze 1020: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1021: rew_elem(mdoc, ROFF_br);
1.151 schwarze 1022: return;
1.138 schwarze 1023: }
1.1 kristaps 1024: }
1025:
1.45 kristaps 1026: /*
1.109 kristaps 1027: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1028: * macro openings. Implicit ones first close out prior scope
1029: * (seen above). Delay opening the head until necessary to
1030: * allow leading punctuation to print. Special consideration
1031: * for `It -column', which has phrase-part syntax instead of
1032: * regular child nodes.
1033: */
1034:
1.152 schwarze 1035: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1036: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1037: head = body = NULL;
1.115 schwarze 1038:
1039: /*
1040: * Exception: Heads of `It' macros in `-diag' lists are not
1041: * parsed, even though `It' macros in general are parsed.
1042: */
1.151 schwarze 1043:
1.153 schwarze 1044: parsed = tok != MDOC_It ||
1045: mdoc->last->parent->tok != MDOC_Bl ||
1046: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1047:
1.45 kristaps 1048: /*
1049: * The `Nd' macro has all arguments in its body: it's a hybrid
1050: * of block partial-explicit and full-implicit. Stupid.
1051: */
1.19 kristaps 1052:
1.150 schwarze 1053: if (tok == MDOC_Nd) {
1.190 schwarze 1054: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1055: rew_last(mdoc, head);
1.190 schwarze 1056: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1057: }
1058:
1.150 schwarze 1059: if (tok == MDOC_Bk)
1.123 schwarze 1060: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1061:
1.205 schwarze 1062: ac = ARGS_EOLN;
1.150 schwarze 1063: for (;;) {
1.205 schwarze 1064:
1065: /*
1066: * If we are right after a tab character,
1067: * do not parse the first word for macros.
1068: */
1069:
1070: if (mdoc->flags & MDOC_PHRASEQN) {
1071: mdoc->flags &= ~MDOC_PHRASEQN;
1072: mdoc->flags |= MDOC_PHRASEQF;
1073: }
1074:
1.45 kristaps 1075: la = *pos;
1.150 schwarze 1076: lac = ac;
1.119 schwarze 1077: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1078: if (ac == ARGS_EOLN) {
1.205 schwarze 1079: if (lac != ARGS_PHRASE ||
1080: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1081: break;
1.205 schwarze 1082:
1.75 kristaps 1083: /*
1.205 schwarze 1084: * This line ends in a tab; start the next
1085: * column now, with a leading blank.
1.75 kristaps 1086: */
1.205 schwarze 1087:
1.167 schwarze 1088: if (body != NULL)
1089: rew_last(mdoc, body);
1.190 schwarze 1090: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1091: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1092: break;
1.75 kristaps 1093: }
1.205 schwarze 1094:
1.174 schwarze 1095: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1096: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1097: mdoc->parse, line, la, "%s ... %s",
1.219 schwarze 1098: roff_name[tok], buf + la);
1.174 schwarze 1099: break;
1100: }
1.173 schwarze 1101: if (tok == MDOC_Rs) {
1102: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1103: line, la, "Rs %s", buf + la);
1104: break;
1105: }
1106: if (ac == ARGS_PUNCT)
1107: break;
1.45 kristaps 1108:
1.131 schwarze 1109: /*
1.73 kristaps 1110: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1111: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1112: */
1.45 kristaps 1113:
1.150 schwarze 1114: if (head == NULL &&
1115: ac != ARGS_PHRASE &&
1116: mdoc_isdelim(p) == DELIM_OPEN) {
1117: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1118: continue;
1119: }
1120:
1.74 kristaps 1121: /* Open a head if one hasn't been opened. */
1.45 kristaps 1122:
1.150 schwarze 1123: if (head == NULL)
1.190 schwarze 1124: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1125:
1.205 schwarze 1126: if (ac == ARGS_PHRASE) {
1.151 schwarze 1127:
1.73 kristaps 1128: /*
1.74 kristaps 1129: * If we haven't opened a body yet, rewind the
1130: * head; if we have, rewind that instead.
1131: */
1132:
1.167 schwarze 1133: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1134: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1135:
1.205 schwarze 1136: /* Process to the tab or to the end of the line. */
1.74 kristaps 1137:
1.205 schwarze 1138: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1139: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1140: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1141:
1142: /* There may have been `Ta' macros. */
1143:
1144: while (body->next != NULL)
1145: body = body->next;
1.1 kristaps 1146: continue;
1147: }
1148:
1.153 schwarze 1149: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1150: break;
1.45 kristaps 1151: }
1.1 kristaps 1152:
1.210 schwarze 1153: if (blk->flags & NODE_VALID)
1.165 schwarze 1154: return;
1.150 schwarze 1155: if (head == NULL)
1.190 schwarze 1156: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1157: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1158: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1159: if (body != NULL)
1.77 kristaps 1160: goto out;
1.187 schwarze 1161: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1162: return;
1.47 kristaps 1163:
1.45 kristaps 1164: /* Close out scopes to remain in a consistent state. */
1165:
1.167 schwarze 1166: rew_last(mdoc, head);
1.190 schwarze 1167: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1168: out:
1.150 schwarze 1169: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1170: rew_last(mdoc, body);
1171: rew_last(mdoc, blk);
1.150 schwarze 1172: mdoc->flags &= ~MDOC_FREECOL;
1173: }
1.1 kristaps 1174: }
1175:
1.151 schwarze 1176: static void
1.1 kristaps 1177: blk_part_imp(MACRO_PROT_ARGS)
1178: {
1.63 kristaps 1179: int la, nl;
1.55 kristaps 1180: enum margserr ac;
1.1 kristaps 1181: char *p;
1.185 schwarze 1182: struct roff_node *blk; /* saved block context */
1183: struct roff_node *body; /* saved body context */
1184: struct roff_node *n;
1.1 kristaps 1185:
1.119 schwarze 1186: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1187:
1.43 kristaps 1188: /*
1189: * A macro that spans to the end of the line. This is generally
1190: * (but not necessarily) called as the first macro. The block
1191: * has a head as the immediate child, which is always empty,
1192: * followed by zero or more opening punctuation nodes, then the
1193: * body (which may be empty, depending on the macro), then zero
1194: * or more closing punctuation nodes.
1195: */
1.32 kristaps 1196:
1.150 schwarze 1197: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1198: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1199:
1.43 kristaps 1200: /*
1201: * Open the body scope "on-demand", that is, after we've
1202: * processed all our the leading delimiters (open parenthesis,
1203: * etc.).
1204: */
1.1 kristaps 1205:
1.43 kristaps 1206: for (body = NULL; ; ) {
1.32 kristaps 1207: la = *pos;
1.119 schwarze 1208: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1209: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1210: break;
1211:
1.224 ! schwarze 1212: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1213: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1214: continue;
1.123 schwarze 1215: }
1.1 kristaps 1216:
1.150 schwarze 1217: if (body == NULL)
1.190 schwarze 1218: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1219:
1.153 schwarze 1220: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1221: break;
1.1 kristaps 1222: }
1.150 schwarze 1223: if (body == NULL)
1.190 schwarze 1224: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1225:
1.187 schwarze 1226: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1227: return;
1228:
1.164 schwarze 1229: rew_last(mdoc, body);
1.150 schwarze 1230: if (nl)
1231: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1232: rew_pending(mdoc, blk);
1.117 schwarze 1233:
1234: /* Move trailing .Ns out of scope. */
1235:
1236: for (n = body->child; n && n->next; n = n->next)
1237: /* Do nothing. */ ;
1.150 schwarze 1238: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1239: mdoc_node_relink(mdoc, n);
1.1 kristaps 1240: }
1241:
1.151 schwarze 1242: static void
1.1 kristaps 1243: blk_part_exp(MACRO_PROT_ARGS)
1244: {
1.60 kristaps 1245: int la, nl;
1.55 kristaps 1246: enum margserr ac;
1.185 schwarze 1247: struct roff_node *head; /* keep track of head */
1.1 kristaps 1248: char *p;
1249:
1.119 schwarze 1250: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1251:
1.43 kristaps 1252: /*
1253: * The opening of an explicit macro having zero or more leading
1254: * punctuation nodes; a head with optional single element (the
1255: * case of `Eo'); and a body that may be empty.
1256: */
1.32 kristaps 1257:
1.193 schwarze 1258: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1259: head = NULL;
1260: for (;;) {
1.32 kristaps 1261: la = *pos;
1.119 schwarze 1262: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1263: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1264: break;
1.43 kristaps 1265:
1266: /* Flush out leading punctuation. */
1267:
1.224 ! schwarze 1268: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1269: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1270: continue;
1.123 schwarze 1271: }
1.43 kristaps 1272:
1.150 schwarze 1273: if (head == NULL) {
1.190 schwarze 1274: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1275: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1276: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1277: rew_last(mdoc, head);
1.190 schwarze 1278: roff_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1279: if (tok == MDOC_Eo)
1.43 kristaps 1280: continue;
1.1 kristaps 1281: }
1.43 kristaps 1282:
1.153 schwarze 1283: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1284: break;
1.1 kristaps 1285: }
1286:
1.43 kristaps 1287: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1288:
1.163 schwarze 1289: if (head == NULL) {
1.190 schwarze 1290: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1291: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1292: }
1.150 schwarze 1293: if (nl)
1294: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1295: }
1296:
1.151 schwarze 1297: static void
1.1 kristaps 1298: in_line_argn(MACRO_PROT_ARGS)
1299: {
1.53 kristaps 1300: struct mdoc_arg *arg;
1301: char *p;
1.181 schwarze 1302: enum margserr ac;
1.219 schwarze 1303: enum roff_tok ntok;
1.181 schwarze 1304: int state; /* arg#; -1: not yet open; -2: closed */
1305: int la, maxargs, nl;
1.1 kristaps 1306:
1.156 schwarze 1307: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1308:
1.46 kristaps 1309: /*
1310: * A line macro that has a fixed number of arguments (maxargs).
1311: * Only open the scope once the first non-leading-punctuation is
1312: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1313: * keep it open until the maximum number of arguments are
1314: * exhausted.
1315: */
1.1 kristaps 1316:
1317: switch (tok) {
1.131 schwarze 1318: case MDOC_Ap:
1319: case MDOC_Ns:
1320: case MDOC_Ux:
1.1 kristaps 1321: maxargs = 0;
1322: break;
1.131 schwarze 1323: case MDOC_Bx:
1.132 schwarze 1324: case MDOC_Es:
1.131 schwarze 1325: case MDOC_Xr:
1.42 kristaps 1326: maxargs = 2;
1327: break;
1.1 kristaps 1328: default:
1329: maxargs = 1;
1330: break;
1331: }
1332:
1.152 schwarze 1333: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1334:
1.181 schwarze 1335: state = -1;
1.156 schwarze 1336: p = NULL;
1337: for (;;) {
1.32 kristaps 1338: la = *pos;
1.119 schwarze 1339: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1340:
1341: if (ac == ARGS_WORD && state == -1 &&
1342: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1343: mdoc_isdelim(p) == DELIM_OPEN) {
1344: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1345: continue;
1346: }
1347:
1348: if (state == -1 && tok != MDOC_In &&
1349: tok != MDOC_St && tok != MDOC_Xr) {
1350: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1351: state = 0;
1352: }
1353:
1.156 schwarze 1354: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1355: if (abs(state) < 2 && tok == MDOC_Pf)
1.156 schwarze 1356: mandoc_vmsg(MANDOCERR_PF_SKIP,
1357: mdoc->parse, line, ppos, "Pf %s",
1358: p == NULL ? "at eol" : p);
1.1 kristaps 1359: break;
1.156 schwarze 1360: }
1.1 kristaps 1361:
1.181 schwarze 1362: if (state == maxargs) {
1.149 schwarze 1363: rew_elem(mdoc, tok);
1.181 schwarze 1364: state = -2;
1.46 kristaps 1365: }
1366:
1.224 ! schwarze 1367: ntok = (tok == MDOC_Pf && state == 0) ?
1.191 schwarze 1368: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1369:
1.191 schwarze 1370: if (ntok != TOKEN_NONE) {
1.181 schwarze 1371: if (state >= 0) {
1.149 schwarze 1372: rew_elem(mdoc, tok);
1.181 schwarze 1373: state = -2;
1374: }
1.151 schwarze 1375: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1376: break;
1377: }
1378:
1.224 ! schwarze 1379: if (mdoc_macros[tok].flags & MDOC_IGNDELIM ||
1.181 schwarze 1380: mdoc_isdelim(p) == DELIM_NONE) {
1381: if (state == -1) {
1382: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1383: state = 1;
1384: } else if (state >= 0)
1385: state++;
1386: } else if (state >= 0) {
1.149 schwarze 1387: rew_elem(mdoc, tok);
1.181 schwarze 1388: state = -2;
1.1 kristaps 1389: }
1.42 kristaps 1390:
1.150 schwarze 1391: dword(mdoc, line, la, p, DELIM_MAX,
1.219 schwarze 1392: mdoc_macros[tok].flags & MDOC_JOIN);
1.1 kristaps 1393: }
1394:
1.181 schwarze 1395: if (state == -1) {
1396: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 1397: line, ppos, roff_name[tok]);
1.181 schwarze 1398: return;
1.156 schwarze 1399: }
1.181 schwarze 1400:
1401: if (state == 0 && tok == MDOC_Pf)
1402: append_delims(mdoc, line, pos, buf);
1403: if (state >= 0)
1.149 schwarze 1404: rew_elem(mdoc, tok);
1.150 schwarze 1405: if (nl)
1406: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1407: }
1408:
1.151 schwarze 1409: static void
1.1 kristaps 1410: in_line_eoln(MACRO_PROT_ARGS)
1411: {
1.185 schwarze 1412: struct roff_node *n;
1.170 schwarze 1413: struct mdoc_arg *arg;
1.1 kristaps 1414:
1.170 schwarze 1415: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1416: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1417: n = mdoc->last;
1.189 schwarze 1418: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1419: n = n->parent;
1420: if (n->tok == MDOC_Nm)
1.198 schwarze 1421: rew_last(mdoc, n->parent);
1.178 schwarze 1422: }
1423:
1.179 schwarze 1424: if (buf[*pos] == '\0' &&
1.219 schwarze 1425: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.178 schwarze 1426: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.219 schwarze 1427: line, ppos, roff_name[tok]);
1.178 schwarze 1428: return;
1.170 schwarze 1429: }
1.90 schwarze 1430:
1.152 schwarze 1431: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1432: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1433: if (parse_rest(mdoc, tok, line, pos, buf))
1434: return;
1435: rew_elem(mdoc, tok);
1436: }
1437:
1438: /*
1439: * The simplest argument parser available: Parse the remaining
1440: * words until the end of the phrase or line and return 0
1441: * or until the next macro, call that macro, and return 1.
1442: */
1443: static int
1.219 schwarze 1444: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1445: int line, int *pos, char *buf)
1.154 schwarze 1446: {
1447: int la;
1.1 kristaps 1448:
1449: for (;;) {
1450: la = *pos;
1.153 schwarze 1451: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.202 schwarze 1452: return 0;
1.153 schwarze 1453: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.202 schwarze 1454: return 1;
1.1 kristaps 1455: }
1456: }
1457:
1.151 schwarze 1458: static void
1.41 kristaps 1459: ctx_synopsis(MACRO_PROT_ARGS)
1460: {
1.60 kristaps 1461:
1.151 schwarze 1462: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1463: in_line(mdoc, tok, line, ppos, pos, buf);
1464: else if (tok == MDOC_Nm)
1465: blk_full(mdoc, tok, line, ppos, pos, buf);
1466: else {
1467: assert(tok == MDOC_Vt);
1468: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1469: }
1.1 kristaps 1470: }
1471:
1.24 kristaps 1472: /*
1473: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1474: * They're unusual because they're basically free-form text until a
1475: * macro is encountered.
1476: */
1.151 schwarze 1477: static void
1.75 kristaps 1478: phrase_ta(MACRO_PROT_ARGS)
1479: {
1.185 schwarze 1480: struct roff_node *body, *n;
1.75 kristaps 1481:
1.121 schwarze 1482: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1483:
1.167 schwarze 1484: body = NULL;
1485: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1486: if (n->flags & NODE_ENDED)
1.167 schwarze 1487: continue;
1.184 schwarze 1488: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1489: body = n;
1.208 schwarze 1490: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1491: break;
1492: }
1493:
1.151 schwarze 1494: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1495: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1496: line, ppos, "Ta");
1.151 schwarze 1497: return;
1.121 schwarze 1498: }
1.75 kristaps 1499:
1.121 schwarze 1500: /* Advance to the next column. */
1.150 schwarze 1501:
1.167 schwarze 1502: rew_last(mdoc, body);
1.190 schwarze 1503: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1504: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1505: }
CVSweb