Annotation of src/usr.bin/mandoc/mdoc_macro.c, Revision 1.181
1.181 ! schwarze 1: /* $OpenBSD: mdoc_macro.c,v 1.180 2017/05/05 15:16:25 schwarze Exp $ */
1.1 kristaps 2: /*
1.74 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.173 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
1.2 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:
1.176 schwarze 61: 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: };
1.176 schwarze 202: const struct mdoc_macro *const mdoc_macros = __mdoc_macros - MDOC_Dd;
1.1 kristaps 203:
204:
205: /*
206: * This is called at the end of parsing. It must traverse up the tree,
207: * closing out open [implicit] scopes. Obviously, open explicit scopes
208: * are errors.
209: */
1.107 schwarze 210: void
1.151 schwarze 211: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 212: {
1.141 schwarze 213: struct roff_node *n;
1.1 kristaps 214:
215: /* Scan for open explicit scopes. */
216:
1.166 schwarze 217: n = mdoc->last->flags & NODE_VALID ?
1.88 schwarze 218: mdoc->last->parent : mdoc->last;
1.1 kristaps 219:
1.56 schwarze 220: for ( ; n; n = n->parent)
1.140 schwarze 221: if (n->type == ROFFT_BLOCK &&
1.107 schwarze 222: mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
1.94 schwarze 223: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
1.176 schwarze 224: n->line, n->pos, roff_name[n->tok]);
1.1 kristaps 225:
1.22 schwarze 226: /* Rewind to the first. */
227:
1.105 schwarze 228: rew_last(mdoc, mdoc->first);
1.162 schwarze 229: mdoc_state_reset(mdoc);
1.1 kristaps 230: }
231:
1.22 schwarze 232: /*
1.109 schwarze 233: * Look up the macro at *p called by "from",
1.147 schwarze 234: * or as a line macro if from == TOKEN_NONE.
1.22 schwarze 235: */
1.141 schwarze 236: static int
1.145 schwarze 237: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.21 schwarze 238: {
1.176 schwarze 239: enum roff_tok res;
1.1 kristaps 240:
1.161 schwarze 241: if (mdoc->flags & MDOC_PHRASEQF) {
242: mdoc->flags &= ~MDOC_PHRASEQF;
243: return TOKEN_NONE;
244: }
1.147 schwarze 245: if (from == TOKEN_NONE || mdoc_macros[from].flags & MDOC_PARSED) {
1.177 schwarze 246: res = roffhash_find(mdoc->mdocmac, p, 0);
1.147 schwarze 247: if (res != TOKEN_NONE) {
1.111 schwarze 248: if (mdoc_macros[res].flags & MDOC_CALLABLE)
1.158 schwarze 249: return res;
1.180 schwarze 250: mandoc_msg(MANDOCERR_MACRO_CALL,
251: mdoc->parse, line, ppos, p);
1.111 schwarze 252: }
1.109 schwarze 253: }
1.158 schwarze 254: return TOKEN_NONE;
1.1 kristaps 255: }
256:
1.122 schwarze 257: /*
258: * Rewind up to and including a specific node.
259: */
1.105 schwarze 260: static void
1.145 schwarze 261: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 262: {
263:
1.166 schwarze 264: if (to->flags & NODE_VALID)
1.142 schwarze 265: return;
266:
1.1 kristaps 267: while (mdoc->last != to) {
1.162 schwarze 268: mdoc_state(mdoc, mdoc->last);
1.166 schwarze 269: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.162 schwarze 270: mdoc->last = mdoc->last->parent;
1.1 kristaps 271: }
1.162 schwarze 272: mdoc_state(mdoc, mdoc->last);
1.166 schwarze 273: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.156 schwarze 274: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 275: }
276:
1.22 schwarze 277: /*
1.122 schwarze 278: * Rewind up to a specific block, including all blocks that broke it.
279: */
280: static void
1.145 schwarze 281: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.122 schwarze 282: {
283:
1.139 schwarze 284: for (;;) {
285: rew_last(mdoc, n);
286:
1.150 schwarze 287: if (mdoc->last == n) {
288: switch (n->type) {
289: case ROFFT_HEAD:
290: roff_body_alloc(mdoc, n->line, n->pos,
291: n->tok);
1.163 schwarze 292: break;
1.150 schwarze 293: case ROFFT_BLOCK:
294: break;
295: default:
296: return;
297: }
1.166 schwarze 298: if ( ! (n->flags & NODE_BROKEN))
1.150 schwarze 299: return;
300: } else
301: n = mdoc->last;
1.122 schwarze 302:
1.139 schwarze 303: for (;;) {
304: if ((n = n->parent) == NULL)
305: return;
306:
1.140 schwarze 307: if (n->type == ROFFT_BLOCK ||
308: n->type == ROFFT_HEAD) {
1.166 schwarze 309: if (n->flags & NODE_ENDED)
1.139 schwarze 310: break;
311: else
312: return;
313: }
314: }
1.122 schwarze 315: }
316: }
317:
318: /*
1.48 schwarze 319: * For a block closing macro, return the corresponding opening one.
320: * Otherwise, return the macro itself.
1.22 schwarze 321: */
1.176 schwarze 322: static enum roff_tok
323: rew_alt(enum roff_tok tok)
1.1 kristaps 324: {
325: switch (tok) {
1.88 schwarze 326: case MDOC_Ac:
1.158 schwarze 327: return MDOC_Ao;
1.88 schwarze 328: case MDOC_Bc:
1.158 schwarze 329: return MDOC_Bo;
1.88 schwarze 330: case MDOC_Brc:
1.158 schwarze 331: return MDOC_Bro;
1.88 schwarze 332: case MDOC_Dc:
1.158 schwarze 333: return MDOC_Do;
1.88 schwarze 334: case MDOC_Ec:
1.158 schwarze 335: return MDOC_Eo;
1.88 schwarze 336: case MDOC_Ed:
1.158 schwarze 337: return MDOC_Bd;
1.88 schwarze 338: case MDOC_Ef:
1.158 schwarze 339: return MDOC_Bf;
1.88 schwarze 340: case MDOC_Ek:
1.158 schwarze 341: return MDOC_Bk;
1.88 schwarze 342: case MDOC_El:
1.158 schwarze 343: return MDOC_Bl;
1.88 schwarze 344: case MDOC_Fc:
1.158 schwarze 345: return MDOC_Fo;
1.88 schwarze 346: case MDOC_Oc:
1.158 schwarze 347: return MDOC_Oo;
1.88 schwarze 348: case MDOC_Pc:
1.158 schwarze 349: return MDOC_Po;
1.88 schwarze 350: case MDOC_Qc:
1.158 schwarze 351: return MDOC_Qo;
1.88 schwarze 352: case MDOC_Re:
1.158 schwarze 353: return MDOC_Rs;
1.88 schwarze 354: case MDOC_Sc:
1.158 schwarze 355: return MDOC_So;
1.88 schwarze 356: case MDOC_Xc:
1.158 schwarze 357: return MDOC_Xo;
1.1 kristaps 358: default:
1.158 schwarze 359: return tok;
1.1 kristaps 360: }
361: }
362:
1.105 schwarze 363: static void
1.176 schwarze 364: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 365: {
1.141 schwarze 366: struct roff_node *n;
1.1 kristaps 367:
368: n = mdoc->last;
1.140 schwarze 369: if (n->type != ROFFT_ELEM)
1.1 kristaps 370: n = n->parent;
1.140 schwarze 371: assert(n->type == ROFFT_ELEM);
1.1 kristaps 372: assert(tok == n->tok);
1.105 schwarze 373: rew_last(mdoc, n);
1.1 kristaps 374: }
375:
1.170 schwarze 376: static void
377: break_intermediate(struct roff_node *n, struct roff_node *breaker)
378: {
1.174 schwarze 379: if (n != breaker &&
380: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
381: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
382: n = n->parent;
1.170 schwarze 383: while (n != breaker) {
384: if ( ! (n->flags & NODE_VALID))
385: n->flags |= NODE_BROKEN;
386: n = n->parent;
387: }
388: }
389:
1.47 schwarze 390: /*
1.143 schwarze 391: * If there is an open sub-block of the target requiring
392: * explicit close-out, postpone closing out the target until
393: * the rew_pending() call closing out the sub-block.
394: */
395: static int
1.176 schwarze 396: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.143 schwarze 397: struct roff_node *target)
398: {
399: struct roff_node *n;
400: int irc;
401:
1.172 schwarze 402: if (target->flags & NODE_VALID)
403: return 0;
404:
1.143 schwarze 405: irc = 0;
406: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.170 schwarze 407: if (n->flags & NODE_ENDED)
1.143 schwarze 408: continue;
409: if (n->type == ROFFT_BLOCK &&
410: mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
411: irc = 1;
1.174 schwarze 412: break_intermediate(mdoc->last, target);
1.143 schwarze 413: if (target->type == ROFFT_HEAD)
1.169 schwarze 414: target->flags |= NODE_ENDED;
1.166 schwarze 415: else if ( ! (target->flags & NODE_ENDED)) {
1.143 schwarze 416: mandoc_vmsg(MANDOCERR_BLK_NEST,
417: mdoc->parse, line, ppos,
1.176 schwarze 418: "%s breaks %s", roff_name[tok],
419: roff_name[n->tok]);
1.143 schwarze 420: mdoc_endbody_alloc(mdoc, line, ppos,
1.173 schwarze 421: tok, target);
1.143 schwarze 422: }
423: }
424: }
1.158 schwarze 425: return irc;
1.143 schwarze 426: }
427:
428: /*
1.66 schwarze 429: * Allocate a word and check whether it's punctuation or not.
430: * Punctuation consists of those tokens found in mdoc_isdelim().
431: */
1.106 schwarze 432: static void
1.145 schwarze 433: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.80 schwarze 434: enum mdelim d, int may_append)
1.66 schwarze 435: {
1.88 schwarze 436:
1.106 schwarze 437: if (d == DELIM_MAX)
1.66 schwarze 438: d = mdoc_isdelim(p);
439:
1.80 schwarze 440: if (may_append &&
1.106 schwarze 441: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.140 schwarze 442: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.106 schwarze 443: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.148 schwarze 444: roff_word_append(mdoc, p);
1.106 schwarze 445: return;
1.80 schwarze 446: }
447:
1.148 schwarze 448: roff_word_alloc(mdoc, line, col, p);
1.66 schwarze 449:
1.71 schwarze 450: /*
1.100 schwarze 451: * If the word consists of a bare delimiter,
452: * flag the new node accordingly,
453: * unless doing so was vetoed by the invoking macro.
454: * Always clear the veto, it is only valid for one word.
1.71 schwarze 455: */
456:
1.100 schwarze 457: if (d == DELIM_OPEN)
1.166 schwarze 458: mdoc->last->flags |= NODE_DELIMO;
1.100 schwarze 459: else if (d == DELIM_CLOSE &&
460: ! (mdoc->flags & MDOC_NODELIMC) &&
1.88 schwarze 461: mdoc->last->parent->tok != MDOC_Fd)
1.166 schwarze 462: mdoc->last->flags |= NODE_DELIMC;
1.100 schwarze 463: mdoc->flags &= ~MDOC_NODELIMC;
1.66 schwarze 464: }
1.1 kristaps 465:
1.106 schwarze 466: static void
1.145 schwarze 467: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 468: {
1.109 schwarze 469: char *p;
1.42 schwarze 470: int la;
1.1 kristaps 471:
1.106 schwarze 472: if (buf[*pos] == '\0')
473: return;
1.1 kristaps 474:
475: for (;;) {
1.42 schwarze 476: la = *pos;
1.147 schwarze 477: if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
478: ARGS_EOLN)
1.1 kristaps 479: break;
1.80 schwarze 480: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.43 schwarze 481:
1.42 schwarze 482: /*
483: * If we encounter end-of-sentence symbols, then trigger
484: * the double-space.
485: *
1.68 schwarze 486: * XXX: it's easy to allow this to propagate outward to
1.42 schwarze 487: * the last symbol, such that `. )' will cause the
488: * correct double-spacing. However, (1) groff isn't
489: * smart enough to do this and (2) it would require
490: * knowing which symbols break this behaviour, for
1.68 schwarze 491: * example, `. ;' shouldn't propagate the double-space.
1.42 schwarze 492: */
1.106 schwarze 493:
1.84 schwarze 494: if (mandoc_eos(p, strlen(p)))
1.166 schwarze 495: mdoc->last->flags |= NODE_EOS;
1.1 kristaps 496: }
497: }
498:
499: /*
1.109 schwarze 500: * Parse one word.
501: * If it is a macro, call it and return 1.
502: * Otherwise, allocate it and return 0.
503: */
504: static int
505: macro_or_word(MACRO_PROT_ARGS, int parsed)
506: {
507: char *p;
1.141 schwarze 508: int ntok;
1.109 schwarze 509:
510: p = buf + ppos;
1.147 schwarze 511: ntok = TOKEN_NONE;
1.113 schwarze 512: if (*p == '"')
1.109 schwarze 513: p++;
1.113 schwarze 514: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.111 schwarze 515: ntok = lookup(mdoc, tok, line, ppos, p);
1.109 schwarze 516:
1.147 schwarze 517: if (ntok == TOKEN_NONE) {
518: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.109 schwarze 519: mdoc_macros[tok].flags & MDOC_JOIN);
1.158 schwarze 520: return 0;
1.109 schwarze 521: } else {
1.176 schwarze 522: if (tok != TOKEN_NONE &&
523: mdoc_macros[tok].fp == in_line_eoln)
1.109 schwarze 524: rew_elem(mdoc, tok);
525: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
1.147 schwarze 526: if (tok == TOKEN_NONE)
1.109 schwarze 527: append_delims(mdoc, line, pos, buf);
1.158 schwarze 528: return 1;
1.109 schwarze 529: }
530: }
531:
532: /*
1.88 schwarze 533: * Close out block partial/full explicit.
1.1 kristaps 534: */
1.107 schwarze 535: static void
1.1 kristaps 536: blk_exp_close(MACRO_PROT_ARGS)
537: {
1.141 schwarze 538: struct roff_node *body; /* Our own body. */
539: struct roff_node *endbody; /* Our own end marker. */
540: struct roff_node *itblk; /* An It block starting later. */
541: struct roff_node *later; /* A sub-block starting later. */
542: struct roff_node *n; /* Search back to our block. */
1.144 schwarze 543: struct roff_node *target; /* For find_pending(). */
1.47 schwarze 544:
1.144 schwarze 545: int j, lastarg, maxargs, nl, pending;
1.36 schwarze 546: enum margserr ac;
1.176 schwarze 547: enum roff_tok atok, ntok;
1.1 kristaps 548: char *p;
549:
1.76 schwarze 550: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 551:
1.1 kristaps 552: switch (tok) {
1.88 schwarze 553: case MDOC_Ec:
1.1 kristaps 554: maxargs = 1;
555: break;
1.88 schwarze 556: case MDOC_Ek:
1.82 schwarze 557: mdoc->flags &= ~MDOC_KEEP;
1.107 schwarze 558: /* FALLTHROUGH */
1.1 kristaps 559: default:
560: maxargs = 0;
561: break;
562: }
563:
1.165 schwarze 564: /* Search backwards for the beginning of our own body. */
565:
566: atok = rew_alt(tok);
567: body = NULL;
568: for (n = mdoc->last; n; n = n->parent) {
1.166 schwarze 569: if (n->flags & NODE_ENDED || n->tok != atok ||
1.165 schwarze 570: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
571: continue;
572: body = n;
573: break;
574: }
575:
1.47 schwarze 576: /*
577: * Search backwards for beginnings of blocks,
578: * both of our own and of pending sub-blocks.
579: */
1.107 schwarze 580:
1.165 schwarze 581: endbody = itblk = later = NULL;
1.76 schwarze 582: for (n = mdoc->last; n; n = n->parent) {
1.170 schwarze 583: if (n->flags & NODE_ENDED)
1.47 schwarze 584: continue;
585:
1.165 schwarze 586: /*
1.167 schwarze 587: * Mismatching end macros can never break anything
1.165 schwarze 588: * and we only care about the breaking of BLOCKs.
589: */
1.47 schwarze 590:
1.167 schwarze 591: if (body == NULL || n->type != ROFFT_BLOCK)
1.47 schwarze 592: continue;
1.116 schwarze 593:
1.167 schwarze 594: /*
595: * SYNOPSIS name blocks can not be broken themselves,
596: * but they do get broken together with a broken child.
597: */
598:
599: if (n->tok == MDOC_Nm) {
600: if (later != NULL)
601: n->flags |= NODE_BROKEN | NODE_ENDED;
602: continue;
603: }
604:
1.116 schwarze 605: if (n->tok == MDOC_It) {
1.127 schwarze 606: itblk = n;
1.116 schwarze 607: continue;
608: }
609:
1.47 schwarze 610: if (atok == n->tok) {
611:
612: /*
613: * Found the start of our own block.
614: * When there is no pending sub block,
615: * just proceed to closing out.
616: */
1.107 schwarze 617:
1.116 schwarze 618: if (later == NULL ||
1.127 schwarze 619: (tok == MDOC_El && itblk == NULL))
1.47 schwarze 620: break;
621:
1.88 schwarze 622: /*
1.123 schwarze 623: * When there is a pending sub block, postpone
624: * closing out the current block until the
625: * rew_pending() closing out the sub-block.
1.47 schwarze 626: * Mark the place where the formatting - but not
627: * the scope - of the current block ends.
628: */
1.107 schwarze 629:
1.139 schwarze 630: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
631: line, ppos, "%s breaks %s",
1.176 schwarze 632: roff_name[atok], roff_name[later->tok]);
1.139 schwarze 633:
1.122 schwarze 634: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.173 schwarze 635: atok, body);
1.107 schwarze 636:
1.139 schwarze 637: if (tok == MDOC_El)
1.166 schwarze 638: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.139 schwarze 639:
1.107 schwarze 640: /*
641: * If a block closing macro taking arguments
642: * breaks another block, put the arguments
1.122 schwarze 643: * into the end marker.
1.107 schwarze 644: */
645:
1.122 schwarze 646: if (maxargs)
1.145 schwarze 647: mdoc->next = ROFF_NEXT_CHILD;
1.47 schwarze 648: break;
1.138 schwarze 649: }
650:
1.171 schwarze 651: /*
652: * Explicit blocks close out description lines, but
653: * even those can get broken together with a child.
654: */
1.138 schwarze 655:
656: if (n->tok == MDOC_Nd) {
1.171 schwarze 657: if (later != NULL)
658: n->flags |= NODE_BROKEN | NODE_ENDED;
659: else
660: rew_last(mdoc, n);
1.138 schwarze 661: continue;
1.47 schwarze 662: }
663:
1.139 schwarze 664: /* Breaking an open sub block. */
1.107 schwarze 665:
1.170 schwarze 666: break_intermediate(mdoc->last, body);
1.166 schwarze 667: n->flags |= NODE_BROKEN;
1.139 schwarze 668: if (later == NULL)
1.47 schwarze 669: later = n;
670: }
1.122 schwarze 671:
672: if (body == NULL) {
673: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
1.176 schwarze 674: line, ppos, roff_name[tok]);
1.122 schwarze 675: if (maxargs && endbody == NULL) {
676: /*
677: * Stray .Ec without previous .Eo:
678: * Break the output line, keep the arguments.
679: */
1.178 schwarze 680: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
681: rew_elem(mdoc, ROFF_br);
1.122 schwarze 682: }
683: } else if (endbody == NULL) {
684: rew_last(mdoc, body);
685: if (maxargs)
686: mdoc_tail_alloc(mdoc, line, ppos, atok);
687: }
1.47 schwarze 688:
1.106 schwarze 689: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
690: if (buf[*pos] != '\0')
1.93 schwarze 691: mandoc_vmsg(MANDOCERR_ARG_SKIP,
692: mdoc->parse, line, ppos,
1.176 schwarze 693: "%s %s", roff_name[tok],
1.93 schwarze 694: buf + *pos);
1.127 schwarze 695: if (endbody == NULL && n != NULL)
1.123 schwarze 696: rew_pending(mdoc, n);
1.107 schwarze 697: return;
1.1 kristaps 698: }
699:
1.122 schwarze 700: if (endbody != NULL)
701: n = endbody;
1.153 schwarze 702:
703: ntok = TOKEN_NONE;
1.104 schwarze 704: for (j = 0; ; j++) {
1.1 kristaps 705: lastarg = *pos;
706:
1.142 schwarze 707: if (j == maxargs && n != NULL)
708: rew_last(mdoc, n);
1.1 kristaps 709:
1.76 schwarze 710: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 711: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 712: break;
713:
1.181 ! schwarze 714: ntok = lookup(mdoc, tok, line, lastarg, p);
1.36 schwarze 715:
1.147 schwarze 716: if (ntok == TOKEN_NONE) {
1.106 schwarze 717: dword(mdoc, line, lastarg, p, DELIM_MAX,
718: MDOC_JOIN & mdoc_macros[tok].flags);
1.36 schwarze 719: continue;
720: }
1.1 kristaps 721:
1.142 schwarze 722: if (n != NULL)
723: rew_last(mdoc, n);
1.79 schwarze 724: mdoc->flags &= ~MDOC_NEWLINE;
1.107 schwarze 725: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.36 schwarze 726: break;
1.1 kristaps 727: }
728:
1.144 schwarze 729: if (n != NULL) {
1.169 schwarze 730: pending = 0;
1.166 schwarze 731: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.144 schwarze 732: target = n;
733: do
734: target = target->parent;
1.166 schwarze 735: while ( ! (target->flags & NODE_ENDED));
1.172 schwarze 736: pending = find_pending(mdoc, ntok, line, ppos, target);
1.169 schwarze 737: }
1.144 schwarze 738: if ( ! pending)
739: rew_pending(mdoc, n);
740: }
1.106 schwarze 741: if (nl)
742: append_delims(mdoc, line, pos, buf);
1.1 kristaps 743: }
744:
1.107 schwarze 745: static void
1.1 kristaps 746: in_line(MACRO_PROT_ARGS)
747: {
1.100 schwarze 748: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.176 schwarze 749: enum roff_tok ntok;
1.36 schwarze 750: enum margserr ac;
1.40 schwarze 751: enum mdelim d;
1.36 schwarze 752: struct mdoc_arg *arg;
753: char *p;
1.1 kristaps 754:
1.76 schwarze 755: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 756:
1.1 kristaps 757: /*
758: * Whether we allow ignored elements (those without content,
759: * usually because of reserved words) to squeak by.
760: */
1.32 schwarze 761:
1.1 kristaps 762: switch (tok) {
1.88 schwarze 763: case MDOC_An:
764: case MDOC_Ar:
765: case MDOC_Fl:
766: case MDOC_Mt:
767: case MDOC_Nm:
768: case MDOC_Pa:
1.1 kristaps 769: nc = 1;
770: break;
771: default:
772: nc = 0;
773: break;
774: }
775:
1.108 schwarze 776: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 777:
1.100 schwarze 778: d = DELIM_NONE;
779: firstarg = 1;
1.98 schwarze 780: mayopen = 1;
1.45 schwarze 781: for (cnt = scope = 0;; ) {
1.1 kristaps 782: la = *pos;
1.76 schwarze 783: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 784:
1.100 schwarze 785: /*
786: * At the end of a macro line,
787: * opening delimiters do not suppress spacing.
788: */
789:
790: if (ac == ARGS_EOLN) {
791: if (d == DELIM_OPEN)
1.166 schwarze 792: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 793: break;
1.100 schwarze 794: }
795:
796: /*
797: * The rest of the macro line is only punctuation,
798: * to be handled by append_delims().
799: * If there were no other arguments,
800: * do not allow the first one to suppress spacing,
801: * even if it turns out to be a closing one.
802: */
803:
804: if (ac == ARGS_PUNCT) {
1.132 schwarze 805: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.100 schwarze 806: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 807: break;
1.100 schwarze 808: }
1.1 kristaps 809:
1.181 ! schwarze 810: ntok = (tok == MDOC_Fn && !cnt) ?
1.147 schwarze 811: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 812:
1.88 schwarze 813: /*
1.1 kristaps 814: * In this case, we've located a submacro and must
815: * execute it. Close out scope, if open. If no
816: * elements have been generated, either create one (nc)
817: * or raise a warning.
818: */
819:
1.147 schwarze 820: if (ntok != TOKEN_NONE) {
1.105 schwarze 821: if (scope)
822: rew_elem(mdoc, tok);
1.106 schwarze 823: if (nc && ! cnt) {
824: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.105 schwarze 825: rew_last(mdoc, mdoc->last);
1.106 schwarze 826: } else if ( ! nc && ! cnt) {
1.1 kristaps 827: mdoc_argv_free(arg);
1.92 schwarze 828: mandoc_msg(MANDOCERR_MACRO_EMPTY,
829: mdoc->parse, line, ppos,
1.176 schwarze 830: roff_name[tok]);
1.1 kristaps 831: }
1.107 schwarze 832: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.106 schwarze 833: if (nl)
834: append_delims(mdoc, line, pos, buf);
1.107 schwarze 835: return;
1.88 schwarze 836: }
1.1 kristaps 837:
1.88 schwarze 838: /*
1.181 ! schwarze 839: * Handle punctuation. Set up our scope, if a word;
! 840: * rewind the scope, if a delimiter; then append the word.
1.1 kristaps 841: */
842:
1.181 ! schwarze 843: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.45 schwarze 844: /*
845: * If we encounter closing punctuation, no word
1.100 schwarze 846: * has been emitted, no scope is open, and we're
1.45 schwarze 847: * allowed to have an empty element, then start
1.98 schwarze 848: * a new scope.
1.45 schwarze 849: */
1.98 schwarze 850: if ((d == DELIM_CLOSE ||
851: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.100 schwarze 852: !cnt && !scope && nc && mayopen) {
1.106 schwarze 853: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 854: scope = 1;
1.98 schwarze 855: cnt++;
1.106 schwarze 856: if (tok == MDOC_Nm)
1.98 schwarze 857: mayopen = 0;
1.45 schwarze 858: }
859: /*
860: * Close out our scope, if one is open, before
861: * any punctuation.
862: */
1.181 ! schwarze 863: if (scope && tok != MDOC_Lk) {
1.105 schwarze 864: rew_elem(mdoc, tok);
1.181 ! schwarze 865: scope = 0;
! 866: if (tok == MDOC_Fn)
! 867: mayopen = 0;
! 868: }
1.98 schwarze 869: } else if (mayopen && !scope) {
1.106 schwarze 870: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 871: scope = 1;
1.98 schwarze 872: cnt++;
1.1 kristaps 873: }
1.66 schwarze 874:
1.106 schwarze 875: dword(mdoc, line, la, p, d,
1.176 schwarze 876: mdoc_macros[tok].flags & MDOC_JOIN);
1.27 schwarze 877:
878: /*
1.100 schwarze 879: * If the first argument is a closing delimiter,
880: * do not suppress spacing before it.
881: */
882:
883: if (firstarg && d == DELIM_CLOSE && !nc)
1.166 schwarze 884: mdoc->last->flags &= ~NODE_DELIMC;
1.100 schwarze 885: firstarg = 0;
886:
887: /*
1.27 schwarze 888: * `Fl' macros have their scope re-opened with each new
889: * word so that the `-' can be added to each one without
890: * having to parse out spaces.
891: */
1.106 schwarze 892: if (scope && tok == MDOC_Fl) {
1.105 schwarze 893: rew_elem(mdoc, tok);
1.45 schwarze 894: scope = 0;
1.27 schwarze 895: }
1.1 kristaps 896: }
897:
1.175 schwarze 898: if (scope && tok != MDOC_Lk) {
1.105 schwarze 899: rew_elem(mdoc, tok);
1.175 schwarze 900: scope = 0;
901: }
1.1 kristaps 902:
903: /*
904: * If no elements have been collected and we're allowed to have
905: * empties (nc), open a scope and close it out. Otherwise,
906: * raise a warning.
907: */
1.32 schwarze 908:
1.106 schwarze 909: if ( ! cnt) {
910: if (nc) {
911: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
912: rew_last(mdoc, mdoc->last);
913: } else {
914: mdoc_argv_free(arg);
915: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.176 schwarze 916: line, ppos, roff_name[tok]);
1.106 schwarze 917: }
1.1 kristaps 918: }
1.106 schwarze 919: if (nl)
920: append_delims(mdoc, line, pos, buf);
1.175 schwarze 921: if (scope)
922: rew_elem(mdoc, tok);
1.1 kristaps 923: }
924:
1.107 schwarze 925: static void
1.1 kristaps 926: blk_full(MACRO_PROT_ARGS)
927: {
1.109 schwarze 928: int la, nl, parsed;
1.1 kristaps 929: struct mdoc_arg *arg;
1.141 schwarze 930: struct roff_node *blk; /* Our own or a broken block. */
931: struct roff_node *head; /* Our own head. */
932: struct roff_node *body; /* Our own body. */
933: struct roff_node *n;
1.37 schwarze 934: enum margserr ac, lac;
1.1 kristaps 935: char *p;
936:
1.76 schwarze 937: nl = MDOC_NEWLINE & mdoc->flags;
1.95 schwarze 938:
1.133 schwarze 939: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
940: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.176 schwarze 941: line, ppos, roff_name[tok]);
1.133 schwarze 942: return;
943: }
944:
1.127 schwarze 945: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
946:
947: /* Here, tok is one of Sh Ss Nm Nd It. */
948:
949: blk = NULL;
950: for (n = mdoc->last; n != NULL; n = n->parent) {
1.166 schwarze 951: if (n->flags & NODE_ENDED) {
952: if ( ! (n->flags & NODE_VALID))
953: n->flags |= NODE_BROKEN;
1.139 schwarze 954: continue;
955: }
1.140 schwarze 956: if (n->type != ROFFT_BLOCK)
1.127 schwarze 957: continue;
1.139 schwarze 958:
1.127 schwarze 959: if (tok == MDOC_It && n->tok == MDOC_Bl) {
960: if (blk != NULL) {
961: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
962: mdoc->parse, line, ppos,
963: "It breaks %s",
1.176 schwarze 964: roff_name[blk->tok]);
1.127 schwarze 965: rew_pending(mdoc, blk);
966: }
967: break;
968: }
969:
970: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
971: switch (tok) {
972: case MDOC_Sh:
973: case MDOC_Ss:
974: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
975: mdoc->parse, line, ppos,
1.176 schwarze 976: "%s breaks %s", roff_name[tok],
977: roff_name[n->tok]);
1.127 schwarze 978: rew_pending(mdoc, n);
1.136 schwarze 979: n = mdoc->last;
1.127 schwarze 980: continue;
981: case MDOC_It:
982: /* Delay in case it's astray. */
983: blk = n;
984: continue;
985: default:
986: break;
987: }
988: break;
989: }
990:
991: /* Here, n is one of Sh Ss Nm Nd It. */
1.95 schwarze 992:
1.127 schwarze 993: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
994: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
995: (tok != MDOC_It && n->tok == MDOC_It)))))
1.95 schwarze 996: break;
1.127 schwarze 997:
998: /* Item breaking an explicit block. */
999:
1000: if (blk != NULL) {
1001: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
1002: mdoc->parse, 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)) {
1.95 schwarze 1016: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
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) {
1094: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1095: mdoc->parse, line, la, "%s ... %s",
1.176 schwarze 1096: roff_name[tok], buf + la);
1.130 schwarze 1097: break;
1098: }
1.129 schwarze 1099: if (tok == MDOC_Rs) {
1100: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1101: line, la, "Rs %s", buf + la);
1102: break;
1103: }
1104: if (ac == ARGS_PUNCT)
1105: break;
1.41 schwarze 1106:
1.88 schwarze 1107: /*
1.46 schwarze 1108: * Emit leading punctuation (i.e., punctuation before
1.140 schwarze 1109: * the ROFFT_HEAD) for non-phrase types.
1.46 schwarze 1110: */
1.32 schwarze 1111:
1.106 schwarze 1112: if (head == NULL &&
1113: ac != ARGS_PHRASE &&
1114: mdoc_isdelim(p) == DELIM_OPEN) {
1115: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1116: continue;
1117: }
1118:
1.46 schwarze 1119: /* Open a head if one hasn't been opened. */
1.32 schwarze 1120:
1.106 schwarze 1121: if (head == NULL)
1.146 schwarze 1122: head = roff_head_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1123:
1.161 schwarze 1124: if (ac == ARGS_PHRASE) {
1.107 schwarze 1125:
1.46 schwarze 1126: /*
1127: * If we haven't opened a body yet, rewind the
1128: * head; if we have, rewind that instead.
1129: */
1130:
1.123 schwarze 1131: rew_last(mdoc, body == NULL ? head : body);
1.146 schwarze 1132: body = roff_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1133:
1.161 schwarze 1134: /* Process to the tab or to the end of the line. */
1.46 schwarze 1135:
1.161 schwarze 1136: mdoc->flags |= MDOC_PHRASE;
1.147 schwarze 1137: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.161 schwarze 1138: mdoc->flags &= ~MDOC_PHRASE;
1.160 schwarze 1139:
1140: /* There may have been `Ta' macros. */
1141:
1142: while (body->next != NULL)
1143: body = body->next;
1.1 kristaps 1144: continue;
1145: }
1146:
1.109 schwarze 1147: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.107 schwarze 1148: break;
1.32 schwarze 1149: }
1.1 kristaps 1150:
1.166 schwarze 1151: if (blk->flags & NODE_VALID)
1.121 schwarze 1152: return;
1.106 schwarze 1153: if (head == NULL)
1.146 schwarze 1154: head = roff_head_alloc(mdoc, line, ppos, tok);
1.130 schwarze 1155: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.106 schwarze 1156: append_delims(mdoc, line, pos, buf);
1.107 schwarze 1157: if (body != NULL)
1.46 schwarze 1158: goto out;
1.143 schwarze 1159: if (find_pending(mdoc, tok, line, ppos, head))
1.139 schwarze 1160: return;
1.54 schwarze 1161:
1.32 schwarze 1162: /* Close out scopes to remain in a consistent state. */
1.12 schwarze 1163:
1.123 schwarze 1164: rew_last(mdoc, head);
1.146 schwarze 1165: body = roff_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1166: out:
1.106 schwarze 1167: if (mdoc->flags & MDOC_FREECOL) {
1.123 schwarze 1168: rew_last(mdoc, body);
1169: rew_last(mdoc, blk);
1.106 schwarze 1170: mdoc->flags &= ~MDOC_FREECOL;
1171: }
1.1 kristaps 1172: }
1173:
1.107 schwarze 1174: static void
1.1 kristaps 1175: blk_part_imp(MACRO_PROT_ARGS)
1176: {
1.43 schwarze 1177: int la, nl;
1.36 schwarze 1178: enum margserr ac;
1.1 kristaps 1179: char *p;
1.141 schwarze 1180: struct roff_node *blk; /* saved block context */
1181: struct roff_node *body; /* saved body context */
1182: struct roff_node *n;
1.1 kristaps 1183:
1.76 schwarze 1184: nl = MDOC_NEWLINE & mdoc->flags;
1.43 schwarze 1185:
1.32 schwarze 1186: /*
1187: * A macro that spans to the end of the line. This is generally
1188: * (but not necessarily) called as the first macro. The block
1189: * has a head as the immediate child, which is always empty,
1190: * followed by zero or more opening punctuation nodes, then the
1191: * body (which may be empty, depending on the macro), then zero
1192: * or more closing punctuation nodes.
1193: */
1.22 schwarze 1194:
1.106 schwarze 1195: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.146 schwarze 1196: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1197:
1.32 schwarze 1198: /*
1199: * Open the body scope "on-demand", that is, after we've
1200: * processed all our the leading delimiters (open parenthesis,
1201: * etc.).
1202: */
1.1 kristaps 1203:
1.32 schwarze 1204: for (body = NULL; ; ) {
1.22 schwarze 1205: la = *pos;
1.76 schwarze 1206: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1207: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1208: break;
1209:
1.181 ! schwarze 1210: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.106 schwarze 1211: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1212: continue;
1.80 schwarze 1213: }
1.1 kristaps 1214:
1.106 schwarze 1215: if (body == NULL)
1.146 schwarze 1216: body = roff_body_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1217:
1.109 schwarze 1218: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.107 schwarze 1219: break;
1.32 schwarze 1220: }
1.106 schwarze 1221: if (body == NULL)
1.146 schwarze 1222: body = roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1223:
1.143 schwarze 1224: if (find_pending(mdoc, tok, line, ppos, body))
1.139 schwarze 1225: return;
1226:
1.120 schwarze 1227: rew_last(mdoc, body);
1.106 schwarze 1228: if (nl)
1229: append_delims(mdoc, line, pos, buf);
1.122 schwarze 1230: rew_pending(mdoc, blk);
1.74 schwarze 1231:
1232: /* Move trailing .Ns out of scope. */
1233:
1234: for (n = body->child; n && n->next; n = n->next)
1235: /* Do nothing. */ ;
1.106 schwarze 1236: if (n && n->tok == MDOC_Ns)
1.76 schwarze 1237: mdoc_node_relink(mdoc, n);
1.1 kristaps 1238: }
1239:
1.107 schwarze 1240: static void
1.1 kristaps 1241: blk_part_exp(MACRO_PROT_ARGS)
1242: {
1.37 schwarze 1243: int la, nl;
1.36 schwarze 1244: enum margserr ac;
1.141 schwarze 1245: struct roff_node *head; /* keep track of head */
1.1 kristaps 1246: char *p;
1247:
1.76 schwarze 1248: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 1249:
1.32 schwarze 1250: /*
1251: * The opening of an explicit macro having zero or more leading
1252: * punctuation nodes; a head with optional single element (the
1253: * case of `Eo'); and a body that may be empty.
1254: */
1.22 schwarze 1255:
1.149 schwarze 1256: roff_block_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1257: head = NULL;
1258: for (;;) {
1.22 schwarze 1259: la = *pos;
1.76 schwarze 1260: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1261: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1262: break;
1263:
1.32 schwarze 1264: /* Flush out leading punctuation. */
1265:
1.181 ! schwarze 1266: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.106 schwarze 1267: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1268: continue;
1.80 schwarze 1269: }
1.32 schwarze 1270:
1.106 schwarze 1271: if (head == NULL) {
1.146 schwarze 1272: head = roff_head_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1273: if (tok == MDOC_Eo) /* Not parsed. */
1.106 schwarze 1274: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.119 schwarze 1275: rew_last(mdoc, head);
1.146 schwarze 1276: roff_body_alloc(mdoc, line, ppos, tok);
1.106 schwarze 1277: if (tok == MDOC_Eo)
1.32 schwarze 1278: continue;
1279: }
1280:
1.109 schwarze 1281: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.107 schwarze 1282: break;
1.1 kristaps 1283: }
1284:
1.32 schwarze 1285: /* Clean-up to leave in a consistent state. */
1286:
1.119 schwarze 1287: if (head == NULL) {
1.146 schwarze 1288: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1289: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1290: }
1.106 schwarze 1291: if (nl)
1292: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1293: }
1294:
1.107 schwarze 1295: static void
1.1 kristaps 1296: in_line_argn(MACRO_PROT_ARGS)
1297: {
1.36 schwarze 1298: struct mdoc_arg *arg;
1299: char *p;
1.137 schwarze 1300: enum margserr ac;
1.176 schwarze 1301: enum roff_tok ntok;
1.137 schwarze 1302: int state; /* arg#; -1: not yet open; -2: closed */
1303: int la, maxargs, nl;
1.1 kristaps 1304:
1.112 schwarze 1305: nl = mdoc->flags & MDOC_NEWLINE;
1.37 schwarze 1306:
1.32 schwarze 1307: /*
1308: * A line macro that has a fixed number of arguments (maxargs).
1309: * Only open the scope once the first non-leading-punctuation is
1310: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1311: * keep it open until the maximum number of arguments are
1312: * exhausted.
1313: */
1.1 kristaps 1314:
1315: switch (tok) {
1.88 schwarze 1316: case MDOC_Ap:
1317: case MDOC_Ns:
1318: case MDOC_Ux:
1.1 kristaps 1319: maxargs = 0;
1320: break;
1.88 schwarze 1321: case MDOC_Bx:
1.89 schwarze 1322: case MDOC_Es:
1.88 schwarze 1323: case MDOC_Xr:
1.28 schwarze 1324: maxargs = 2;
1325: break;
1.1 kristaps 1326: default:
1327: maxargs = 1;
1328: break;
1329: }
1330:
1.108 schwarze 1331: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1332:
1.137 schwarze 1333: state = -1;
1.112 schwarze 1334: p = NULL;
1335: for (;;) {
1.22 schwarze 1336: la = *pos;
1.76 schwarze 1337: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.137 schwarze 1338:
1339: if (ac == ARGS_WORD && state == -1 &&
1340: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1341: mdoc_isdelim(p) == DELIM_OPEN) {
1342: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1343: continue;
1344: }
1345:
1346: if (state == -1 && tok != MDOC_In &&
1347: tok != MDOC_St && tok != MDOC_Xr) {
1348: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1349: state = 0;
1350: }
1351:
1.112 schwarze 1352: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.137 schwarze 1353: if (abs(state) < 2 && tok == MDOC_Pf)
1.112 schwarze 1354: mandoc_vmsg(MANDOCERR_PF_SKIP,
1355: mdoc->parse, line, ppos, "Pf %s",
1356: p == NULL ? "at eol" : p);
1.1 kristaps 1357: break;
1.112 schwarze 1358: }
1.1 kristaps 1359:
1.137 schwarze 1360: if (state == maxargs) {
1.105 schwarze 1361: rew_elem(mdoc, tok);
1.137 schwarze 1362: state = -2;
1.32 schwarze 1363: }
1364:
1.181 ! schwarze 1365: ntok = (tok == MDOC_Pf && state == 0) ?
1.147 schwarze 1366: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.36 schwarze 1367:
1.147 schwarze 1368: if (ntok != TOKEN_NONE) {
1.137 schwarze 1369: if (state >= 0) {
1.105 schwarze 1370: rew_elem(mdoc, tok);
1.137 schwarze 1371: state = -2;
1372: }
1.107 schwarze 1373: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1374: break;
1375: }
1376:
1.181 ! schwarze 1377: if (mdoc_macros[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,
1.176 schwarze 1390: mdoc_macros[tok].flags & MDOC_JOIN);
1.1 kristaps 1391: }
1392:
1.137 schwarze 1393: if (state == -1) {
1394: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.176 schwarze 1395: line, ppos, 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] == '%')) {
1.134 schwarze 1424: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.176 schwarze 1425: line, ppos, 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) {
1.94 schwarze 1493: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.96 schwarze 1494: line, ppos, "Ta");
1.107 schwarze 1495: return;
1.78 schwarze 1496: }
1.46 schwarze 1497:
1.78 schwarze 1498: /* Advance to the next column. */
1.106 schwarze 1499:
1.123 schwarze 1500: rew_last(mdoc, body);
1.146 schwarze 1501: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.147 schwarze 1502: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.46 schwarze 1503: }
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