Annotation of src/usr.bin/mandoc/mdoc_macro.c, Revision 1.184
1.184 ! schwarze 1: /* $OpenBSD: mdoc_macro.c,v 1.183 2018/12/04 02:53:45 schwarze Exp $ */
1.1 kristaps 2: /*
1.74 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.182 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
1.2 schwarze 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: *
1.140 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.140 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 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: */
1.100 schwarze 18: #include <sys/types.h>
19:
1.1 kristaps 20: #include <assert.h>
21: #include <ctype.h>
22: #include <stdlib.h>
23: #include <stdio.h>
24: #include <string.h>
1.26 schwarze 25: #include <time.h>
1.1 kristaps 26:
1.140 schwarze 27: #include "mandoc.h"
28: #include "roff.h"
1.66 schwarze 29: #include "mdoc.h"
1.140 schwarze 30: #include "libmandoc.h"
1.146 schwarze 31: #include "roff_int.h"
1.1 kristaps 32: #include "libmdoc.h"
33:
1.107 schwarze 34: static void blk_full(MACRO_PROT_ARGS);
35: static void blk_exp_close(MACRO_PROT_ARGS);
36: static void blk_part_exp(MACRO_PROT_ARGS);
37: static void blk_part_imp(MACRO_PROT_ARGS);
38: static void ctx_synopsis(MACRO_PROT_ARGS);
39: static void in_line_eoln(MACRO_PROT_ARGS);
40: static void in_line_argn(MACRO_PROT_ARGS);
41: static void in_line(MACRO_PROT_ARGS);
42: static void phrase_ta(MACRO_PROT_ARGS);
1.36 schwarze 43:
1.145 schwarze 44: static void append_delims(struct roff_man *, int, int *, char *);
45: static void dword(struct roff_man *, int, int, const char *,
1.143 schwarze 46: enum mdelim, int);
1.176 schwarze 47: static int find_pending(struct roff_man *, enum roff_tok,
48: int, int, struct roff_node *);
1.145 schwarze 49: static int lookup(struct roff_man *, int, int, int, const char *);
1.109 schwarze 50: static int macro_or_word(MACRO_PROT_ARGS, int);
1.170 schwarze 51: static void break_intermediate(struct roff_node *,
1.176 schwarze 52: struct roff_node *);
53: static int parse_rest(struct roff_man *, enum roff_tok,
54: int, int *, char *);
55: static enum roff_tok rew_alt(enum roff_tok);
56: static void rew_elem(struct roff_man *, enum roff_tok);
1.145 schwarze 57: static void rew_last(struct roff_man *, const struct roff_node *);
58: static void rew_pending(struct roff_man *,
59: const struct roff_node *);
1.1 kristaps 60:
1.182 schwarze 61: static const struct mdoc_macro mdoc_macros[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 62: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
63: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
64: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.80 schwarze 65: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
66: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
67: { in_line_eoln, 0 }, /* Pp */
68: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
69: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 70: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.80 schwarze 71: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 72: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.80 schwarze 73: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
74: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
75: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
76: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.181 schwarze 77: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
78: MDOC_IGNDELIM | MDOC_JOIN }, /* Ap */
1.1 kristaps 79: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.86 schwarze 80: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 81: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.80 schwarze 82: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 85: { in_line_eoln, 0 }, /* Ex */
1.80 schwarze 86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
87: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.80 schwarze 89: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
90: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.85 schwarze 91: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.11 schwarze 92: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.80 schwarze 93: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
94: { blk_full, MDOC_JOIN }, /* Nd */
95: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 96: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.89 schwarze 97: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 98: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
99: { in_line_eoln, 0 }, /* Rv */
1.80 schwarze 100: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 101: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.80 schwarze 102: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.28 schwarze 103: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.80 schwarze 104: { in_line_eoln, MDOC_JOIN }, /* %A */
105: { in_line_eoln, MDOC_JOIN }, /* %B */
106: { in_line_eoln, MDOC_JOIN }, /* %D */
107: { in_line_eoln, MDOC_JOIN }, /* %I */
108: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 109: { in_line_eoln, 0 }, /* %N */
1.80 schwarze 110: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 111: { in_line_eoln, 0 }, /* %P */
1.80 schwarze 112: { in_line_eoln, MDOC_JOIN }, /* %R */
113: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 114: { in_line_eoln, 0 }, /* %V */
1.80 schwarze 115: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
116: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
117: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
118: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
119: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 120: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.80 schwarze 121: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
122: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
123: { blk_full, MDOC_EXPLICIT }, /* Bf */
124: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
125: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
126: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 127: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
128: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
129: { in_line_eoln, 0 }, /* Db */
1.80 schwarze 130: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
131: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
132: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
133: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
134: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
135: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
136: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
137: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 138: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
139: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.3 schwarze 140: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.100 schwarze 141: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.80 schwarze 142: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
143: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 144: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
145: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.80 schwarze 146: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
147: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.35 schwarze 148: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.80 schwarze 149: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
150: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
151: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
152: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
153: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
154: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
155: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
156: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
157: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
158: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 159: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.80 schwarze 160: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
161: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
162: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
163: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
164: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.103 schwarze 165: { in_line_argn, 0 }, /* Sm */
1.80 schwarze 166: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
167: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 168: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.80 schwarze 169: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 170: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
171: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.80 schwarze 172: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
173: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
174: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
175: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
176: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
177: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
178: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 179: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.80 schwarze 180: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 181: { in_line_eoln, 0 }, /* Bt */
182: { in_line_eoln, 0 }, /* Hf */
1.89 schwarze 183: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 184: { in_line_eoln, 0 }, /* Ud */
1.45 schwarze 185: { in_line, 0 }, /* Lb */
1.80 schwarze 186: { in_line_eoln, 0 }, /* Lp */
187: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
188: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
189: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
190: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
191: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
192: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
193: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
194: { in_line_eoln, MDOC_JOIN }, /* %C */
1.89 schwarze 195: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
196: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 197: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.80 schwarze 198: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.25 schwarze 199: { in_line_eoln, 0 }, /* %U */
1.80 schwarze 200: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.1 kristaps 201: };
202:
203:
1.182 schwarze 204: const struct mdoc_macro *
205: mdoc_macro(enum roff_tok tok)
206: {
207: assert(tok >= MDOC_Dd && tok < MDOC_MAX);
208: return mdoc_macros + (tok - MDOC_Dd);
209: }
210:
1.1 kristaps 211: /*
212: * This is called at the end of parsing. It must traverse up the tree,
213: * closing out open [implicit] scopes. Obviously, open explicit scopes
214: * are errors.
215: */
1.107 schwarze 216: void
1.151 schwarze 217: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 218: {
1.141 schwarze 219: struct roff_node *n;
1.1 kristaps 220:
221: /* Scan for open explicit scopes. */
222:
1.166 schwarze 223: n = mdoc->last->flags & NODE_VALID ?
1.88 schwarze 224: mdoc->last->parent : mdoc->last;
1.1 kristaps 225:
1.56 schwarze 226: for ( ; n; n = n->parent)
1.140 schwarze 227: if (n->type == ROFFT_BLOCK &&
1.182 schwarze 228: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT)
1.184 ! schwarze 229: mandoc_msg(MANDOCERR_BLK_NOEND,
! 230: n->line, n->pos, "%s", roff_name[n->tok]);
1.1 kristaps 231:
1.22 schwarze 232: /* Rewind to the first. */
233:
1.105 schwarze 234: rew_last(mdoc, mdoc->first);
1.162 schwarze 235: mdoc_state_reset(mdoc);
1.1 kristaps 236: }
237:
1.22 schwarze 238: /*
1.109 schwarze 239: * Look up the macro at *p called by "from",
1.147 schwarze 240: * or as a line macro if from == TOKEN_NONE.
1.22 schwarze 241: */
1.141 schwarze 242: static int
1.145 schwarze 243: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.21 schwarze 244: {
1.176 schwarze 245: enum roff_tok res;
1.1 kristaps 246:
1.161 schwarze 247: if (mdoc->flags & MDOC_PHRASEQF) {
248: mdoc->flags &= ~MDOC_PHRASEQF;
249: return TOKEN_NONE;
250: }
1.182 schwarze 251: if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) {
1.177 schwarze 252: res = roffhash_find(mdoc->mdocmac, p, 0);
1.147 schwarze 253: if (res != TOKEN_NONE) {
1.182 schwarze 254: if (mdoc_macro(res)->flags & MDOC_CALLABLE)
1.158 schwarze 255: return res;
1.184 ! schwarze 256: mandoc_msg(MANDOCERR_MACRO_CALL, line, ppos, "%s", p);
1.111 schwarze 257: }
1.109 schwarze 258: }
1.158 schwarze 259: return TOKEN_NONE;
1.1 kristaps 260: }
261:
1.122 schwarze 262: /*
263: * Rewind up to and including a specific node.
264: */
1.105 schwarze 265: static void
1.145 schwarze 266: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 267: {
268:
1.166 schwarze 269: if (to->flags & NODE_VALID)
1.142 schwarze 270: return;
271:
1.1 kristaps 272: while (mdoc->last != to) {
1.162 schwarze 273: mdoc_state(mdoc, mdoc->last);
1.166 schwarze 274: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.162 schwarze 275: mdoc->last = mdoc->last->parent;
1.1 kristaps 276: }
1.162 schwarze 277: mdoc_state(mdoc, mdoc->last);
1.166 schwarze 278: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.156 schwarze 279: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 280: }
281:
1.22 schwarze 282: /*
1.122 schwarze 283: * Rewind up to a specific block, including all blocks that broke it.
284: */
285: static void
1.145 schwarze 286: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.122 schwarze 287: {
288:
1.139 schwarze 289: for (;;) {
290: rew_last(mdoc, n);
291:
1.150 schwarze 292: if (mdoc->last == n) {
293: switch (n->type) {
294: case ROFFT_HEAD:
295: roff_body_alloc(mdoc, n->line, n->pos,
296: n->tok);
1.163 schwarze 297: break;
1.150 schwarze 298: case ROFFT_BLOCK:
299: break;
300: default:
301: return;
302: }
1.166 schwarze 303: if ( ! (n->flags & NODE_BROKEN))
1.150 schwarze 304: return;
305: } else
306: n = mdoc->last;
1.122 schwarze 307:
1.139 schwarze 308: for (;;) {
309: if ((n = n->parent) == NULL)
310: return;
311:
1.140 schwarze 312: if (n->type == ROFFT_BLOCK ||
313: n->type == ROFFT_HEAD) {
1.166 schwarze 314: if (n->flags & NODE_ENDED)
1.139 schwarze 315: break;
316: else
317: return;
318: }
319: }
1.122 schwarze 320: }
321: }
322:
323: /*
1.48 schwarze 324: * For a block closing macro, return the corresponding opening one.
325: * Otherwise, return the macro itself.
1.22 schwarze 326: */
1.176 schwarze 327: static enum roff_tok
328: rew_alt(enum roff_tok tok)
1.1 kristaps 329: {
330: switch (tok) {
1.88 schwarze 331: case MDOC_Ac:
1.158 schwarze 332: return MDOC_Ao;
1.88 schwarze 333: case MDOC_Bc:
1.158 schwarze 334: return MDOC_Bo;
1.88 schwarze 335: case MDOC_Brc:
1.158 schwarze 336: return MDOC_Bro;
1.88 schwarze 337: case MDOC_Dc:
1.158 schwarze 338: return MDOC_Do;
1.88 schwarze 339: case MDOC_Ec:
1.158 schwarze 340: return MDOC_Eo;
1.88 schwarze 341: case MDOC_Ed:
1.158 schwarze 342: return MDOC_Bd;
1.88 schwarze 343: case MDOC_Ef:
1.158 schwarze 344: return MDOC_Bf;
1.88 schwarze 345: case MDOC_Ek:
1.158 schwarze 346: return MDOC_Bk;
1.88 schwarze 347: case MDOC_El:
1.158 schwarze 348: return MDOC_Bl;
1.88 schwarze 349: case MDOC_Fc:
1.158 schwarze 350: return MDOC_Fo;
1.88 schwarze 351: case MDOC_Oc:
1.158 schwarze 352: return MDOC_Oo;
1.88 schwarze 353: case MDOC_Pc:
1.158 schwarze 354: return MDOC_Po;
1.88 schwarze 355: case MDOC_Qc:
1.158 schwarze 356: return MDOC_Qo;
1.88 schwarze 357: case MDOC_Re:
1.158 schwarze 358: return MDOC_Rs;
1.88 schwarze 359: case MDOC_Sc:
1.158 schwarze 360: return MDOC_So;
1.88 schwarze 361: case MDOC_Xc:
1.158 schwarze 362: return MDOC_Xo;
1.1 kristaps 363: default:
1.158 schwarze 364: return tok;
1.1 kristaps 365: }
366: }
367:
1.105 schwarze 368: static void
1.176 schwarze 369: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 370: {
1.141 schwarze 371: struct roff_node *n;
1.1 kristaps 372:
373: n = mdoc->last;
1.140 schwarze 374: if (n->type != ROFFT_ELEM)
1.1 kristaps 375: n = n->parent;
1.140 schwarze 376: assert(n->type == ROFFT_ELEM);
1.1 kristaps 377: assert(tok == n->tok);
1.105 schwarze 378: rew_last(mdoc, n);
1.1 kristaps 379: }
380:
1.170 schwarze 381: static void
382: break_intermediate(struct roff_node *n, struct roff_node *breaker)
383: {
1.174 schwarze 384: if (n != breaker &&
385: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
386: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
387: n = n->parent;
1.170 schwarze 388: while (n != breaker) {
389: if ( ! (n->flags & NODE_VALID))
390: n->flags |= NODE_BROKEN;
391: n = n->parent;
392: }
393: }
394:
1.47 schwarze 395: /*
1.143 schwarze 396: * If there is an open sub-block of the target requiring
397: * explicit close-out, postpone closing out the target until
398: * the rew_pending() call closing out the sub-block.
399: */
400: static int
1.176 schwarze 401: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.143 schwarze 402: struct roff_node *target)
403: {
404: struct roff_node *n;
405: int irc;
406:
1.172 schwarze 407: if (target->flags & NODE_VALID)
408: return 0;
409:
1.143 schwarze 410: irc = 0;
411: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.170 schwarze 412: if (n->flags & NODE_ENDED)
1.143 schwarze 413: continue;
414: if (n->type == ROFFT_BLOCK &&
1.182 schwarze 415: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.143 schwarze 416: irc = 1;
1.174 schwarze 417: break_intermediate(mdoc->last, target);
1.143 schwarze 418: if (target->type == ROFFT_HEAD)
1.169 schwarze 419: target->flags |= NODE_ENDED;
1.166 schwarze 420: else if ( ! (target->flags & NODE_ENDED)) {
1.184 ! schwarze 421: mandoc_msg(MANDOCERR_BLK_NEST,
! 422: line, ppos, "%s breaks %s",
! 423: roff_name[tok], roff_name[n->tok]);
1.143 schwarze 424: mdoc_endbody_alloc(mdoc, line, ppos,
1.173 schwarze 425: tok, target);
1.143 schwarze 426: }
427: }
428: }
1.158 schwarze 429: return irc;
1.143 schwarze 430: }
431:
432: /*
1.66 schwarze 433: * Allocate a word and check whether it's punctuation or not.
434: * Punctuation consists of those tokens found in mdoc_isdelim().
435: */
1.106 schwarze 436: static void
1.145 schwarze 437: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.80 schwarze 438: enum mdelim d, int may_append)
1.66 schwarze 439: {
1.88 schwarze 440:
1.106 schwarze 441: if (d == DELIM_MAX)
1.66 schwarze 442: d = mdoc_isdelim(p);
443:
1.80 schwarze 444: if (may_append &&
1.106 schwarze 445: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.140 schwarze 446: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.106 schwarze 447: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.148 schwarze 448: roff_word_append(mdoc, p);
1.106 schwarze 449: return;
1.80 schwarze 450: }
451:
1.148 schwarze 452: roff_word_alloc(mdoc, line, col, p);
1.66 schwarze 453:
1.71 schwarze 454: /*
1.100 schwarze 455: * If the word consists of a bare delimiter,
456: * flag the new node accordingly,
457: * unless doing so was vetoed by the invoking macro.
458: * Always clear the veto, it is only valid for one word.
1.71 schwarze 459: */
460:
1.100 schwarze 461: if (d == DELIM_OPEN)
1.166 schwarze 462: mdoc->last->flags |= NODE_DELIMO;
1.100 schwarze 463: else if (d == DELIM_CLOSE &&
464: ! (mdoc->flags & MDOC_NODELIMC) &&
1.88 schwarze 465: mdoc->last->parent->tok != MDOC_Fd)
1.166 schwarze 466: mdoc->last->flags |= NODE_DELIMC;
1.100 schwarze 467: mdoc->flags &= ~MDOC_NODELIMC;
1.66 schwarze 468: }
1.1 kristaps 469:
1.106 schwarze 470: static void
1.145 schwarze 471: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 472: {
1.109 schwarze 473: char *p;
1.42 schwarze 474: int la;
1.1 kristaps 475:
1.106 schwarze 476: if (buf[*pos] == '\0')
477: return;
1.1 kristaps 478:
479: for (;;) {
1.42 schwarze 480: la = *pos;
1.147 schwarze 481: if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
482: ARGS_EOLN)
1.1 kristaps 483: break;
1.80 schwarze 484: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.43 schwarze 485:
1.42 schwarze 486: /*
487: * If we encounter end-of-sentence symbols, then trigger
488: * the double-space.
489: *
1.68 schwarze 490: * XXX: it's easy to allow this to propagate outward to
1.42 schwarze 491: * the last symbol, such that `. )' will cause the
492: * correct double-spacing. However, (1) groff isn't
493: * smart enough to do this and (2) it would require
494: * knowing which symbols break this behaviour, for
1.68 schwarze 495: * example, `. ;' shouldn't propagate the double-space.
1.42 schwarze 496: */
1.106 schwarze 497:
1.84 schwarze 498: if (mandoc_eos(p, strlen(p)))
1.166 schwarze 499: mdoc->last->flags |= NODE_EOS;
1.1 kristaps 500: }
501: }
502:
503: /*
1.109 schwarze 504: * Parse one word.
505: * If it is a macro, call it and return 1.
506: * Otherwise, allocate it and return 0.
507: */
508: static int
509: macro_or_word(MACRO_PROT_ARGS, int parsed)
510: {
511: char *p;
1.141 schwarze 512: int ntok;
1.109 schwarze 513:
514: p = buf + ppos;
1.147 schwarze 515: ntok = TOKEN_NONE;
1.113 schwarze 516: if (*p == '"')
1.109 schwarze 517: p++;
1.113 schwarze 518: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.111 schwarze 519: ntok = lookup(mdoc, tok, line, ppos, p);
1.109 schwarze 520:
1.147 schwarze 521: if (ntok == TOKEN_NONE) {
522: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.182 schwarze 523: mdoc_macro(tok)->flags & MDOC_JOIN);
1.158 schwarze 524: return 0;
1.109 schwarze 525: } else {
1.176 schwarze 526: if (tok != TOKEN_NONE &&
1.182 schwarze 527: mdoc_macro(tok)->fp == in_line_eoln)
1.109 schwarze 528: rew_elem(mdoc, tok);
1.182 schwarze 529: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
1.147 schwarze 530: if (tok == TOKEN_NONE)
1.109 schwarze 531: append_delims(mdoc, line, pos, buf);
1.158 schwarze 532: return 1;
1.109 schwarze 533: }
534: }
535:
536: /*
1.88 schwarze 537: * Close out block partial/full explicit.
1.1 kristaps 538: */
1.107 schwarze 539: static void
1.1 kristaps 540: blk_exp_close(MACRO_PROT_ARGS)
541: {
1.141 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. */
1.144 schwarze 547: struct roff_node *target; /* For find_pending(). */
1.47 schwarze 548:
1.144 schwarze 549: int j, lastarg, maxargs, nl, pending;
1.36 schwarze 550: enum margserr ac;
1.176 schwarze 551: enum roff_tok atok, ntok;
1.1 kristaps 552: char *p;
553:
1.76 schwarze 554: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 555:
1.1 kristaps 556: switch (tok) {
1.88 schwarze 557: case MDOC_Ec:
1.1 kristaps 558: maxargs = 1;
559: break;
1.88 schwarze 560: case MDOC_Ek:
1.82 schwarze 561: mdoc->flags &= ~MDOC_KEEP;
1.107 schwarze 562: /* FALLTHROUGH */
1.1 kristaps 563: default:
564: maxargs = 0;
565: break;
566: }
567:
1.165 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) {
1.166 schwarze 573: if (n->flags & NODE_ENDED || n->tok != atok ||
1.165 schwarze 574: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
575: continue;
576: body = n;
577: break;
578: }
579:
1.47 schwarze 580: /*
581: * Search backwards for beginnings of blocks,
582: * both of our own and of pending sub-blocks.
583: */
1.107 schwarze 584:
1.165 schwarze 585: endbody = itblk = later = NULL;
1.76 schwarze 586: for (n = mdoc->last; n; n = n->parent) {
1.170 schwarze 587: if (n->flags & NODE_ENDED)
1.47 schwarze 588: continue;
589:
1.165 schwarze 590: /*
1.167 schwarze 591: * Mismatching end macros can never break anything
1.165 schwarze 592: * and we only care about the breaking of BLOCKs.
593: */
1.47 schwarze 594:
1.167 schwarze 595: if (body == NULL || n->type != ROFFT_BLOCK)
1.47 schwarze 596: continue;
1.116 schwarze 597:
1.167 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:
1.116 schwarze 609: if (n->tok == MDOC_It) {
1.127 schwarze 610: itblk = n;
1.116 schwarze 611: continue;
612: }
613:
1.47 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: */
1.107 schwarze 621:
1.116 schwarze 622: if (later == NULL ||
1.127 schwarze 623: (tok == MDOC_El && itblk == NULL))
1.47 schwarze 624: break;
625:
1.88 schwarze 626: /*
1.123 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.
1.47 schwarze 630: * Mark the place where the formatting - but not
631: * the scope - of the current block ends.
632: */
1.107 schwarze 633:
1.184 ! schwarze 634: mandoc_msg(MANDOCERR_BLK_NEST,
1.139 schwarze 635: line, ppos, "%s breaks %s",
1.176 schwarze 636: roff_name[atok], roff_name[later->tok]);
1.139 schwarze 637:
1.122 schwarze 638: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.173 schwarze 639: atok, body);
1.107 schwarze 640:
1.139 schwarze 641: if (tok == MDOC_El)
1.166 schwarze 642: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.139 schwarze 643:
1.107 schwarze 644: /*
645: * If a block closing macro taking arguments
646: * breaks another block, put the arguments
1.122 schwarze 647: * into the end marker.
1.107 schwarze 648: */
649:
1.122 schwarze 650: if (maxargs)
1.145 schwarze 651: mdoc->next = ROFF_NEXT_CHILD;
1.47 schwarze 652: break;
1.138 schwarze 653: }
654:
1.171 schwarze 655: /*
656: * Explicit blocks close out description lines, but
657: * even those can get broken together with a child.
658: */
1.138 schwarze 659:
660: if (n->tok == MDOC_Nd) {
1.171 schwarze 661: if (later != NULL)
662: n->flags |= NODE_BROKEN | NODE_ENDED;
663: else
664: rew_last(mdoc, n);
1.138 schwarze 665: continue;
1.47 schwarze 666: }
667:
1.139 schwarze 668: /* Breaking an open sub block. */
1.107 schwarze 669:
1.170 schwarze 670: break_intermediate(mdoc->last, body);
1.166 schwarze 671: n->flags |= NODE_BROKEN;
1.139 schwarze 672: if (later == NULL)
1.47 schwarze 673: later = n;
674: }
1.122 schwarze 675:
676: if (body == NULL) {
1.184 ! schwarze 677: mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
! 678: "%s", roff_name[tok]);
1.122 schwarze 679: if (maxargs && endbody == NULL) {
680: /*
681: * Stray .Ec without previous .Eo:
682: * Break the output line, keep the arguments.
683: */
1.178 schwarze 684: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
685: rew_elem(mdoc, ROFF_br);
1.122 schwarze 686: }
687: } else if (endbody == NULL) {
688: rew_last(mdoc, body);
689: if (maxargs)
690: mdoc_tail_alloc(mdoc, line, ppos, atok);
691: }
1.47 schwarze 692:
1.182 schwarze 693: if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
1.106 schwarze 694: if (buf[*pos] != '\0')
1.184 ! schwarze 695: mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
! 696: "%s %s", roff_name[tok], buf + *pos);
1.127 schwarze 697: if (endbody == NULL && n != NULL)
1.123 schwarze 698: rew_pending(mdoc, n);
1.107 schwarze 699: return;
1.1 kristaps 700: }
701:
1.122 schwarze 702: if (endbody != NULL)
703: n = endbody;
1.153 schwarze 704:
705: ntok = TOKEN_NONE;
1.104 schwarze 706: for (j = 0; ; j++) {
1.1 kristaps 707: lastarg = *pos;
708:
1.142 schwarze 709: if (j == maxargs && n != NULL)
710: rew_last(mdoc, n);
1.1 kristaps 711:
1.76 schwarze 712: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 713: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 714: break;
715:
1.181 schwarze 716: ntok = lookup(mdoc, tok, line, lastarg, p);
1.36 schwarze 717:
1.147 schwarze 718: if (ntok == TOKEN_NONE) {
1.106 schwarze 719: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.182 schwarze 720: mdoc_macro(tok)->flags & MDOC_JOIN);
1.36 schwarze 721: continue;
722: }
1.1 kristaps 723:
1.142 schwarze 724: if (n != NULL)
725: rew_last(mdoc, n);
1.79 schwarze 726: mdoc->flags &= ~MDOC_NEWLINE;
1.182 schwarze 727: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.36 schwarze 728: break;
1.1 kristaps 729: }
730:
1.144 schwarze 731: if (n != NULL) {
1.169 schwarze 732: pending = 0;
1.166 schwarze 733: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.144 schwarze 734: target = n;
735: do
736: target = target->parent;
1.166 schwarze 737: while ( ! (target->flags & NODE_ENDED));
1.172 schwarze 738: pending = find_pending(mdoc, ntok, line, ppos, target);
1.169 schwarze 739: }
1.144 schwarze 740: if ( ! pending)
741: rew_pending(mdoc, n);
742: }
1.106 schwarze 743: if (nl)
744: append_delims(mdoc, line, pos, buf);
1.1 kristaps 745: }
746:
1.107 schwarze 747: static void
1.1 kristaps 748: in_line(MACRO_PROT_ARGS)
749: {
1.100 schwarze 750: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.176 schwarze 751: enum roff_tok ntok;
1.36 schwarze 752: enum margserr ac;
1.40 schwarze 753: enum mdelim d;
1.36 schwarze 754: struct mdoc_arg *arg;
755: char *p;
1.1 kristaps 756:
1.76 schwarze 757: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 758:
1.1 kristaps 759: /*
760: * Whether we allow ignored elements (those without content,
761: * usually because of reserved words) to squeak by.
762: */
1.32 schwarze 763:
1.1 kristaps 764: switch (tok) {
1.88 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:
1.1 kristaps 771: nc = 1;
772: break;
773: default:
774: nc = 0;
775: break;
776: }
777:
1.108 schwarze 778: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 779:
1.100 schwarze 780: d = DELIM_NONE;
781: firstarg = 1;
1.98 schwarze 782: mayopen = 1;
1.45 schwarze 783: for (cnt = scope = 0;; ) {
1.1 kristaps 784: la = *pos;
1.76 schwarze 785: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 786:
1.100 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)
1.166 schwarze 794: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 795: break;
1.100 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) {
1.132 schwarze 807: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.100 schwarze 808: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 809: break;
1.100 schwarze 810: }
1.1 kristaps 811:
1.181 schwarze 812: ntok = (tok == MDOC_Fn && !cnt) ?
1.147 schwarze 813: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 814:
1.88 schwarze 815: /*
1.1 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: */
821:
1.147 schwarze 822: if (ntok != TOKEN_NONE) {
1.105 schwarze 823: if (scope)
824: rew_elem(mdoc, tok);
1.106 schwarze 825: if (nc && ! cnt) {
826: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.105 schwarze 827: rew_last(mdoc, mdoc->last);
1.106 schwarze 828: } else if ( ! nc && ! cnt) {
1.1 kristaps 829: mdoc_argv_free(arg);
1.92 schwarze 830: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1.184 ! schwarze 831: line, ppos, "%s", roff_name[tok]);
1.1 kristaps 832: }
1.182 schwarze 833: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
834: line, la, pos, buf);
1.106 schwarze 835: if (nl)
836: append_delims(mdoc, line, pos, buf);
1.107 schwarze 837: return;
1.88 schwarze 838: }
1.1 kristaps 839:
1.88 schwarze 840: /*
1.181 schwarze 841: * Handle punctuation. Set up our scope, if a word;
842: * rewind the scope, if a delimiter; then append the word.
1.1 kristaps 843: */
844:
1.181 schwarze 845: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.45 schwarze 846: /*
847: * If we encounter closing punctuation, no word
1.100 schwarze 848: * has been emitted, no scope is open, and we're
1.45 schwarze 849: * allowed to have an empty element, then start
1.98 schwarze 850: * a new scope.
1.45 schwarze 851: */
1.98 schwarze 852: if ((d == DELIM_CLOSE ||
853: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.100 schwarze 854: !cnt && !scope && nc && mayopen) {
1.106 schwarze 855: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 856: scope = 1;
1.98 schwarze 857: cnt++;
1.106 schwarze 858: if (tok == MDOC_Nm)
1.98 schwarze 859: mayopen = 0;
1.45 schwarze 860: }
861: /*
862: * Close out our scope, if one is open, before
863: * any punctuation.
864: */
1.181 schwarze 865: if (scope && tok != MDOC_Lk) {
1.105 schwarze 866: rew_elem(mdoc, tok);
1.181 schwarze 867: scope = 0;
868: if (tok == MDOC_Fn)
869: mayopen = 0;
870: }
1.98 schwarze 871: } else if (mayopen && !scope) {
1.106 schwarze 872: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 873: scope = 1;
1.98 schwarze 874: cnt++;
1.1 kristaps 875: }
1.66 schwarze 876:
1.106 schwarze 877: dword(mdoc, line, la, p, d,
1.182 schwarze 878: mdoc_macro(tok)->flags & MDOC_JOIN);
1.27 schwarze 879:
880: /*
1.100 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)
1.166 schwarze 886: mdoc->last->flags &= ~NODE_DELIMC;
1.100 schwarze 887: firstarg = 0;
888:
889: /*
1.27 schwarze 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: */
1.106 schwarze 894: if (scope && tok == MDOC_Fl) {
1.105 schwarze 895: rew_elem(mdoc, tok);
1.45 schwarze 896: scope = 0;
1.27 schwarze 897: }
1.1 kristaps 898: }
899:
1.175 schwarze 900: if (scope && tok != MDOC_Lk) {
1.105 schwarze 901: rew_elem(mdoc, tok);
1.175 schwarze 902: scope = 0;
903: }
1.1 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: */
1.32 schwarze 910:
1.106 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);
1.184 ! schwarze 917: mandoc_msg(MANDOCERR_MACRO_EMPTY,
! 918: line, ppos, "%s", roff_name[tok]);
1.106 schwarze 919: }
1.1 kristaps 920: }
1.106 schwarze 921: if (nl)
922: append_delims(mdoc, line, pos, buf);
1.175 schwarze 923: if (scope)
924: rew_elem(mdoc, tok);
1.1 kristaps 925: }
926:
1.107 schwarze 927: static void
1.1 kristaps 928: blk_full(MACRO_PROT_ARGS)
929: {
1.109 schwarze 930: int la, nl, parsed;
1.1 kristaps 931: struct mdoc_arg *arg;
1.141 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;
1.37 schwarze 936: enum margserr ac, lac;
1.1 kristaps 937: char *p;
938:
1.76 schwarze 939: nl = MDOC_NEWLINE & mdoc->flags;
1.95 schwarze 940:
1.133 schwarze 941: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
1.184 ! schwarze 942: mandoc_msg(MANDOCERR_MACRO_EMPTY,
! 943: line, ppos, "%s", roff_name[tok]);
1.133 schwarze 944: return;
945: }
946:
1.182 schwarze 947: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.127 schwarze 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) {
1.166 schwarze 953: if (n->flags & NODE_ENDED) {
954: if ( ! (n->flags & NODE_VALID))
955: n->flags |= NODE_BROKEN;
1.139 schwarze 956: continue;
957: }
1.140 schwarze 958: if (n->type != ROFFT_BLOCK)
1.127 schwarze 959: continue;
1.139 schwarze 960:
1.127 schwarze 961: if (tok == MDOC_It && n->tok == MDOC_Bl) {
962: if (blk != NULL) {
1.184 ! schwarze 963: mandoc_msg(MANDOCERR_BLK_BROKEN,
! 964: line, ppos, "It breaks %s",
1.176 schwarze 965: roff_name[blk->tok]);
1.127 schwarze 966: rew_pending(mdoc, blk);
967: }
968: break;
969: }
970:
1.182 schwarze 971: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.127 schwarze 972: switch (tok) {
973: case MDOC_Sh:
974: case MDOC_Ss:
1.184 ! schwarze 975: mandoc_msg(MANDOCERR_BLK_BROKEN,
! 976: line, ppos,
1.176 schwarze 977: "%s breaks %s", roff_name[tok],
978: roff_name[n->tok]);
1.127 schwarze 979: rew_pending(mdoc, n);
1.136 schwarze 980: n = mdoc->last;
1.127 schwarze 981: continue;
982: case MDOC_It:
983: /* Delay in case it's astray. */
984: blk = n;
985: continue;
986: default:
987: break;
988: }
989: break;
990: }
991:
992: /* Here, n is one of Sh Ss Nm Nd It. */
1.95 schwarze 993:
1.127 schwarze 994: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
995: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
996: (tok != MDOC_It && n->tok == MDOC_It)))))
1.95 schwarze 997: break;
1.127 schwarze 998:
999: /* Item breaking an explicit block. */
1000:
1001: if (blk != NULL) {
1.184 ! schwarze 1002: mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
1.176 schwarze 1003: "It breaks %s", roff_name[blk->tok]);
1.127 schwarze 1004: rew_pending(mdoc, blk);
1.128 schwarze 1005: blk = NULL;
1.127 schwarze 1006: }
1007:
1008: /* Close out prior implicit scopes. */
1009:
1.167 schwarze 1010: rew_pending(mdoc, n);
1.127 schwarze 1011: }
1012:
1013: /* Skip items outside lists. */
1014:
1015: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.184 ! schwarze 1016: mandoc_msg(MANDOCERR_IT_STRAY,
1.95 schwarze 1017: line, ppos, "It %s", buf + *pos);
1.178 schwarze 1018: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1019: rew_elem(mdoc, ROFF_br);
1.107 schwarze 1020: return;
1.95 schwarze 1021: }
1.1 kristaps 1022: }
1023:
1.32 schwarze 1024: /*
1.68 schwarze 1025: * This routine accommodates implicitly- and explicitly-scoped
1.32 schwarze 1026: * macro openings. Implicit ones first close out prior scope
1027: * (seen above). Delay opening the head until necessary to
1028: * allow leading punctuation to print. Special consideration
1029: * for `It -column', which has phrase-part syntax instead of
1030: * regular child nodes.
1031: */
1032:
1.108 schwarze 1033: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.121 schwarze 1034: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.34 schwarze 1035: head = body = NULL;
1.1 kristaps 1036:
1.32 schwarze 1037: /*
1.73 schwarze 1038: * Exception: Heads of `It' macros in `-diag' lists are not
1039: * parsed, even though `It' macros in general are parsed.
1040: */
1.107 schwarze 1041:
1.109 schwarze 1042: parsed = tok != MDOC_It ||
1043: mdoc->last->parent->tok != MDOC_Bl ||
1044: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.73 schwarze 1045:
1046: /*
1.32 schwarze 1047: * The `Nd' macro has all arguments in its body: it's a hybrid
1048: * of block partial-explicit and full-implicit. Stupid.
1049: */
1.12 schwarze 1050:
1.106 schwarze 1051: if (tok == MDOC_Nd) {
1.146 schwarze 1052: head = roff_head_alloc(mdoc, line, ppos, tok);
1.118 schwarze 1053: rew_last(mdoc, head);
1.146 schwarze 1054: body = roff_body_alloc(mdoc, line, ppos, tok);
1.80 schwarze 1055: }
1056:
1.106 schwarze 1057: if (tok == MDOC_Bk)
1.80 schwarze 1058: mdoc->flags |= MDOC_KEEP;
1.12 schwarze 1059:
1.161 schwarze 1060: ac = ARGS_EOLN;
1.106 schwarze 1061: for (;;) {
1.161 schwarze 1062:
1063: /*
1064: * If we are right after a tab character,
1065: * do not parse the first word for macros.
1066: */
1067:
1068: if (mdoc->flags & MDOC_PHRASEQN) {
1069: mdoc->flags &= ~MDOC_PHRASEQN;
1070: mdoc->flags |= MDOC_PHRASEQF;
1071: }
1072:
1.32 schwarze 1073: la = *pos;
1.106 schwarze 1074: lac = ac;
1.76 schwarze 1075: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1076: if (ac == ARGS_EOLN) {
1.161 schwarze 1077: if (lac != ARGS_PHRASE ||
1078: ! (mdoc->flags & MDOC_PHRASEQF))
1.46 schwarze 1079: break;
1.161 schwarze 1080:
1.46 schwarze 1081: /*
1.161 schwarze 1082: * This line ends in a tab; start the next
1083: * column now, with a leading blank.
1.46 schwarze 1084: */
1.161 schwarze 1085:
1.123 schwarze 1086: if (body != NULL)
1087: rew_last(mdoc, body);
1.146 schwarze 1088: body = roff_body_alloc(mdoc, line, ppos, tok);
1.161 schwarze 1089: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1090: break;
1.41 schwarze 1091: }
1.161 schwarze 1092:
1.130 schwarze 1093: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1.184 ! schwarze 1094: mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
! 1095: "%s ... %s", roff_name[tok], buf + la);
1.130 schwarze 1096: break;
1097: }
1.129 schwarze 1098: if (tok == MDOC_Rs) {
1.184 ! schwarze 1099: mandoc_msg(MANDOCERR_ARG_SKIP,
1.129 schwarze 1100: line, la, "Rs %s", buf + la);
1101: break;
1102: }
1103: if (ac == ARGS_PUNCT)
1104: break;
1.41 schwarze 1105:
1.88 schwarze 1106: /*
1.46 schwarze 1107: * Emit leading punctuation (i.e., punctuation before
1.140 schwarze 1108: * the ROFFT_HEAD) for non-phrase types.
1.46 schwarze 1109: */
1.32 schwarze 1110:
1.106 schwarze 1111: if (head == NULL &&
1112: ac != ARGS_PHRASE &&
1113: mdoc_isdelim(p) == DELIM_OPEN) {
1114: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1115: continue;
1116: }
1117:
1.46 schwarze 1118: /* Open a head if one hasn't been opened. */
1.32 schwarze 1119:
1.106 schwarze 1120: if (head == NULL)
1.146 schwarze 1121: head = roff_head_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1122:
1.161 schwarze 1123: if (ac == ARGS_PHRASE) {
1.107 schwarze 1124:
1.46 schwarze 1125: /*
1126: * If we haven't opened a body yet, rewind the
1127: * head; if we have, rewind that instead.
1128: */
1129:
1.123 schwarze 1130: rew_last(mdoc, body == NULL ? head : body);
1.146 schwarze 1131: body = roff_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1132:
1.161 schwarze 1133: /* Process to the tab or to the end of the line. */
1.46 schwarze 1134:
1.161 schwarze 1135: mdoc->flags |= MDOC_PHRASE;
1.147 schwarze 1136: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.161 schwarze 1137: mdoc->flags &= ~MDOC_PHRASE;
1.160 schwarze 1138:
1139: /* There may have been `Ta' macros. */
1140:
1141: while (body->next != NULL)
1142: body = body->next;
1.1 kristaps 1143: continue;
1144: }
1145:
1.109 schwarze 1146: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.107 schwarze 1147: break;
1.32 schwarze 1148: }
1.1 kristaps 1149:
1.166 schwarze 1150: if (blk->flags & NODE_VALID)
1.121 schwarze 1151: return;
1.106 schwarze 1152: if (head == NULL)
1.146 schwarze 1153: head = roff_head_alloc(mdoc, line, ppos, tok);
1.130 schwarze 1154: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.106 schwarze 1155: append_delims(mdoc, line, pos, buf);
1.107 schwarze 1156: if (body != NULL)
1.46 schwarze 1157: goto out;
1.143 schwarze 1158: if (find_pending(mdoc, tok, line, ppos, head))
1.139 schwarze 1159: return;
1.54 schwarze 1160:
1.32 schwarze 1161: /* Close out scopes to remain in a consistent state. */
1.12 schwarze 1162:
1.123 schwarze 1163: rew_last(mdoc, head);
1.146 schwarze 1164: body = roff_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1165: out:
1.106 schwarze 1166: if (mdoc->flags & MDOC_FREECOL) {
1.123 schwarze 1167: rew_last(mdoc, body);
1168: rew_last(mdoc, blk);
1.106 schwarze 1169: mdoc->flags &= ~MDOC_FREECOL;
1170: }
1.1 kristaps 1171: }
1172:
1.107 schwarze 1173: static void
1.1 kristaps 1174: blk_part_imp(MACRO_PROT_ARGS)
1175: {
1.43 schwarze 1176: int la, nl;
1.36 schwarze 1177: enum margserr ac;
1.1 kristaps 1178: char *p;
1.141 schwarze 1179: struct roff_node *blk; /* saved block context */
1180: struct roff_node *body; /* saved body context */
1181: struct roff_node *n;
1.1 kristaps 1182:
1.76 schwarze 1183: nl = MDOC_NEWLINE & mdoc->flags;
1.43 schwarze 1184:
1.32 schwarze 1185: /*
1186: * A macro that spans to the end of the line. This is generally
1187: * (but not necessarily) called as the first macro. The block
1188: * has a head as the immediate child, which is always empty,
1189: * followed by zero or more opening punctuation nodes, then the
1190: * body (which may be empty, depending on the macro), then zero
1191: * or more closing punctuation nodes.
1192: */
1.22 schwarze 1193:
1.106 schwarze 1194: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.146 schwarze 1195: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1196:
1.32 schwarze 1197: /*
1198: * Open the body scope "on-demand", that is, after we've
1199: * processed all our the leading delimiters (open parenthesis,
1200: * etc.).
1201: */
1.1 kristaps 1202:
1.32 schwarze 1203: for (body = NULL; ; ) {
1.22 schwarze 1204: la = *pos;
1.76 schwarze 1205: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1206: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1207: break;
1208:
1.181 schwarze 1209: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.106 schwarze 1210: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1211: continue;
1.80 schwarze 1212: }
1.1 kristaps 1213:
1.106 schwarze 1214: if (body == NULL)
1.146 schwarze 1215: body = roff_body_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1216:
1.109 schwarze 1217: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.107 schwarze 1218: break;
1.32 schwarze 1219: }
1.106 schwarze 1220: if (body == NULL)
1.146 schwarze 1221: body = roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1222:
1.143 schwarze 1223: if (find_pending(mdoc, tok, line, ppos, body))
1.139 schwarze 1224: return;
1225:
1.120 schwarze 1226: rew_last(mdoc, body);
1.106 schwarze 1227: if (nl)
1228: append_delims(mdoc, line, pos, buf);
1.122 schwarze 1229: rew_pending(mdoc, blk);
1.74 schwarze 1230:
1231: /* Move trailing .Ns out of scope. */
1232:
1233: for (n = body->child; n && n->next; n = n->next)
1234: /* Do nothing. */ ;
1.106 schwarze 1235: if (n && n->tok == MDOC_Ns)
1.183 schwarze 1236: roff_node_relink(mdoc, n);
1.1 kristaps 1237: }
1238:
1.107 schwarze 1239: static void
1.1 kristaps 1240: blk_part_exp(MACRO_PROT_ARGS)
1241: {
1.37 schwarze 1242: int la, nl;
1.36 schwarze 1243: enum margserr ac;
1.141 schwarze 1244: struct roff_node *head; /* keep track of head */
1.1 kristaps 1245: char *p;
1246:
1.76 schwarze 1247: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 1248:
1.32 schwarze 1249: /*
1250: * The opening of an explicit macro having zero or more leading
1251: * punctuation nodes; a head with optional single element (the
1252: * case of `Eo'); and a body that may be empty.
1253: */
1.22 schwarze 1254:
1.149 schwarze 1255: roff_block_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1256: head = NULL;
1257: for (;;) {
1.22 schwarze 1258: la = *pos;
1.76 schwarze 1259: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1260: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1261: break;
1262:
1.32 schwarze 1263: /* Flush out leading punctuation. */
1264:
1.181 schwarze 1265: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.106 schwarze 1266: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1267: continue;
1.80 schwarze 1268: }
1.32 schwarze 1269:
1.106 schwarze 1270: if (head == NULL) {
1.146 schwarze 1271: head = roff_head_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1272: if (tok == MDOC_Eo) /* Not parsed. */
1.106 schwarze 1273: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.119 schwarze 1274: rew_last(mdoc, head);
1.146 schwarze 1275: roff_body_alloc(mdoc, line, ppos, tok);
1.106 schwarze 1276: if (tok == MDOC_Eo)
1.32 schwarze 1277: continue;
1278: }
1279:
1.109 schwarze 1280: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.107 schwarze 1281: break;
1.1 kristaps 1282: }
1283:
1.32 schwarze 1284: /* Clean-up to leave in a consistent state. */
1285:
1.119 schwarze 1286: if (head == NULL) {
1.146 schwarze 1287: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1288: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1289: }
1.106 schwarze 1290: if (nl)
1291: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1292: }
1293:
1.107 schwarze 1294: static void
1.1 kristaps 1295: in_line_argn(MACRO_PROT_ARGS)
1296: {
1.36 schwarze 1297: struct mdoc_arg *arg;
1298: char *p;
1.137 schwarze 1299: enum margserr ac;
1.176 schwarze 1300: enum roff_tok ntok;
1.137 schwarze 1301: int state; /* arg#; -1: not yet open; -2: closed */
1302: int la, maxargs, nl;
1.1 kristaps 1303:
1.112 schwarze 1304: nl = mdoc->flags & MDOC_NEWLINE;
1.37 schwarze 1305:
1.32 schwarze 1306: /*
1307: * A line macro that has a fixed number of arguments (maxargs).
1308: * Only open the scope once the first non-leading-punctuation is
1309: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1310: * keep it open until the maximum number of arguments are
1311: * exhausted.
1312: */
1.1 kristaps 1313:
1314: switch (tok) {
1.88 schwarze 1315: case MDOC_Ap:
1316: case MDOC_Ns:
1317: case MDOC_Ux:
1.1 kristaps 1318: maxargs = 0;
1319: break;
1.88 schwarze 1320: case MDOC_Bx:
1.89 schwarze 1321: case MDOC_Es:
1.88 schwarze 1322: case MDOC_Xr:
1.28 schwarze 1323: maxargs = 2;
1324: break;
1.1 kristaps 1325: default:
1326: maxargs = 1;
1327: break;
1328: }
1329:
1.108 schwarze 1330: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1331:
1.137 schwarze 1332: state = -1;
1.112 schwarze 1333: p = NULL;
1334: for (;;) {
1.22 schwarze 1335: la = *pos;
1.76 schwarze 1336: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.137 schwarze 1337:
1338: if (ac == ARGS_WORD && state == -1 &&
1.182 schwarze 1339: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.137 schwarze 1340: mdoc_isdelim(p) == DELIM_OPEN) {
1341: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1342: continue;
1343: }
1344:
1345: if (state == -1 && tok != MDOC_In &&
1346: tok != MDOC_St && tok != MDOC_Xr) {
1347: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1348: state = 0;
1349: }
1350:
1.112 schwarze 1351: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.137 schwarze 1352: if (abs(state) < 2 && tok == MDOC_Pf)
1.184 ! schwarze 1353: mandoc_msg(MANDOCERR_PF_SKIP,
! 1354: line, ppos, "Pf %s",
1.112 schwarze 1355: p == NULL ? "at eol" : p);
1.1 kristaps 1356: break;
1.112 schwarze 1357: }
1.1 kristaps 1358:
1.137 schwarze 1359: if (state == maxargs) {
1.105 schwarze 1360: rew_elem(mdoc, tok);
1.137 schwarze 1361: state = -2;
1.32 schwarze 1362: }
1363:
1.181 schwarze 1364: ntok = (tok == MDOC_Pf && state == 0) ?
1.147 schwarze 1365: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.36 schwarze 1366:
1.147 schwarze 1367: if (ntok != TOKEN_NONE) {
1.137 schwarze 1368: if (state >= 0) {
1.105 schwarze 1369: rew_elem(mdoc, tok);
1.137 schwarze 1370: state = -2;
1371: }
1.182 schwarze 1372: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
1373: line, la, pos, buf);
1.1 kristaps 1374: break;
1375: }
1376:
1.182 schwarze 1377: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.137 schwarze 1378: mdoc_isdelim(p) == DELIM_NONE) {
1379: if (state == -1) {
1380: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1381: state = 1;
1382: } else if (state >= 0)
1383: state++;
1384: } else if (state >= 0) {
1.105 schwarze 1385: rew_elem(mdoc, tok);
1.137 schwarze 1386: state = -2;
1.28 schwarze 1387: }
1388:
1.106 schwarze 1389: dword(mdoc, line, la, p, DELIM_MAX,
1.182 schwarze 1390: mdoc_macro(tok)->flags & MDOC_JOIN);
1.1 kristaps 1391: }
1392:
1.137 schwarze 1393: if (state == -1) {
1.184 ! schwarze 1394: mandoc_msg(MANDOCERR_MACRO_EMPTY,
! 1395: line, ppos, "%s", roff_name[tok]);
1.137 schwarze 1396: return;
1.112 schwarze 1397: }
1.137 schwarze 1398:
1399: if (state == 0 && tok == MDOC_Pf)
1400: append_delims(mdoc, line, pos, buf);
1401: if (state >= 0)
1.105 schwarze 1402: rew_elem(mdoc, tok);
1.106 schwarze 1403: if (nl)
1404: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1405: }
1406:
1.107 schwarze 1407: static void
1.1 kristaps 1408: in_line_eoln(MACRO_PROT_ARGS)
1409: {
1.141 schwarze 1410: struct roff_node *n;
1.126 schwarze 1411: struct mdoc_arg *arg;
1.1 kristaps 1412:
1.126 schwarze 1413: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1414: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1415: n = mdoc->last;
1.145 schwarze 1416: if (mdoc->next == ROFF_NEXT_SIBLING)
1.126 schwarze 1417: n = n->parent;
1418: if (n->tok == MDOC_Nm)
1.154 schwarze 1419: rew_last(mdoc, n->parent);
1.134 schwarze 1420: }
1421:
1.135 schwarze 1422: if (buf[*pos] == '\0' &&
1.176 schwarze 1423: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.184 ! schwarze 1424: mandoc_msg(MANDOCERR_MACRO_EMPTY,
! 1425: line, ppos, "%s", roff_name[tok]);
1.134 schwarze 1426: return;
1.126 schwarze 1427: }
1.53 schwarze 1428:
1.108 schwarze 1429: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.106 schwarze 1430: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.110 schwarze 1431: if (parse_rest(mdoc, tok, line, pos, buf))
1432: return;
1433: rew_elem(mdoc, tok);
1434: }
1435:
1436: /*
1437: * The simplest argument parser available: Parse the remaining
1438: * words until the end of the phrase or line and return 0
1439: * or until the next macro, call that macro, and return 1.
1440: */
1441: static int
1.176 schwarze 1442: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1443: int line, int *pos, char *buf)
1.110 schwarze 1444: {
1445: int la;
1.1 kristaps 1446:
1447: for (;;) {
1448: la = *pos;
1.109 schwarze 1449: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.158 schwarze 1450: return 0;
1.109 schwarze 1451: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.158 schwarze 1452: return 1;
1.1 kristaps 1453: }
1.28 schwarze 1454: }
1455:
1.107 schwarze 1456: static void
1.28 schwarze 1457: ctx_synopsis(MACRO_PROT_ARGS)
1458: {
1.37 schwarze 1459:
1.107 schwarze 1460: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1461: in_line(mdoc, tok, line, ppos, pos, buf);
1462: else if (tok == MDOC_Nm)
1463: blk_full(mdoc, tok, line, ppos, pos, buf);
1464: else {
1465: assert(tok == MDOC_Vt);
1466: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1467: }
1.1 kristaps 1468: }
1469:
1.17 schwarze 1470: /*
1471: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1472: * They're unusual because they're basically free-form text until a
1473: * macro is encountered.
1474: */
1.107 schwarze 1475: static void
1.46 schwarze 1476: phrase_ta(MACRO_PROT_ARGS)
1477: {
1.141 schwarze 1478: struct roff_node *body, *n;
1.46 schwarze 1479:
1.78 schwarze 1480: /* Make sure we are in a column list or ignore this macro. */
1.107 schwarze 1481:
1.123 schwarze 1482: body = NULL;
1483: for (n = mdoc->last; n != NULL; n = n->parent) {
1.166 schwarze 1484: if (n->flags & NODE_ENDED)
1.123 schwarze 1485: continue;
1.140 schwarze 1486: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.123 schwarze 1487: body = n;
1.164 schwarze 1488: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.123 schwarze 1489: break;
1490: }
1491:
1.107 schwarze 1492: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.184 ! schwarze 1493: mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
1.107 schwarze 1494: return;
1.78 schwarze 1495: }
1.46 schwarze 1496:
1.78 schwarze 1497: /* Advance to the next column. */
1.106 schwarze 1498:
1.123 schwarze 1499: rew_last(mdoc, body);
1.146 schwarze 1500: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.147 schwarze 1501: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.46 schwarze 1502: }
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