Annotation of src/usr.bin/mandoc/mdoc_macro.c, Revision 1.191
1.191 ! schwarze 1: /* $OpenBSD: mdoc_macro.c,v 1.190 2020/01/19 16:16:33 schwarze Exp $ */
1.1 kristaps 2: /*
1.74 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.191 ! schwarze 4: * Copyright (c) 2010, 2012-2020 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 *);
1.185 schwarze 50: static int macro_or_word(MACRO_PROT_ARGS, char *, 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] = {
1.190 schwarze 62: { in_line_eoln, MDOC_PROLOGUE | MDOC_JOIN }, /* Dd */
1.1 kristaps 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 */
1.191 ! schwarze 201: { in_line_eoln, 0 }, /* Tg */
1.1 kristaps 202: };
203:
204:
1.182 schwarze 205: const struct mdoc_macro *
206: mdoc_macro(enum roff_tok tok)
207: {
208: assert(tok >= MDOC_Dd && tok < MDOC_MAX);
209: return mdoc_macros + (tok - MDOC_Dd);
210: }
211:
1.1 kristaps 212: /*
213: * This is called at the end of parsing. It must traverse up the tree,
214: * closing out open [implicit] scopes. Obviously, open explicit scopes
215: * are errors.
216: */
1.107 schwarze 217: void
1.151 schwarze 218: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 219: {
1.141 schwarze 220: struct roff_node *n;
1.1 kristaps 221:
222: /* Scan for open explicit scopes. */
223:
1.166 schwarze 224: n = mdoc->last->flags & NODE_VALID ?
1.88 schwarze 225: mdoc->last->parent : mdoc->last;
1.1 kristaps 226:
1.56 schwarze 227: for ( ; n; n = n->parent)
1.140 schwarze 228: if (n->type == ROFFT_BLOCK &&
1.182 schwarze 229: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT)
1.184 schwarze 230: mandoc_msg(MANDOCERR_BLK_NOEND,
231: n->line, n->pos, "%s", roff_name[n->tok]);
1.1 kristaps 232:
1.22 schwarze 233: /* Rewind to the first. */
234:
1.186 schwarze 235: rew_last(mdoc, mdoc->meta.first);
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);
1.189 schwarze 297: if (n->tok == MDOC_Ss)
298: mdoc->flags &= ~ROFF_NONOFILL;
1.163 schwarze 299: break;
1.150 schwarze 300: case ROFFT_BLOCK:
301: break;
302: default:
303: return;
304: }
1.166 schwarze 305: if ( ! (n->flags & NODE_BROKEN))
1.150 schwarze 306: return;
307: } else
308: n = mdoc->last;
1.122 schwarze 309:
1.139 schwarze 310: for (;;) {
311: if ((n = n->parent) == NULL)
312: return;
313:
1.140 schwarze 314: if (n->type == ROFFT_BLOCK ||
315: n->type == ROFFT_HEAD) {
1.166 schwarze 316: if (n->flags & NODE_ENDED)
1.139 schwarze 317: break;
318: else
319: return;
320: }
321: }
1.122 schwarze 322: }
323: }
324:
325: /*
1.48 schwarze 326: * For a block closing macro, return the corresponding opening one.
327: * Otherwise, return the macro itself.
1.22 schwarze 328: */
1.176 schwarze 329: static enum roff_tok
330: rew_alt(enum roff_tok tok)
1.1 kristaps 331: {
332: switch (tok) {
1.88 schwarze 333: case MDOC_Ac:
1.158 schwarze 334: return MDOC_Ao;
1.88 schwarze 335: case MDOC_Bc:
1.158 schwarze 336: return MDOC_Bo;
1.88 schwarze 337: case MDOC_Brc:
1.158 schwarze 338: return MDOC_Bro;
1.88 schwarze 339: case MDOC_Dc:
1.158 schwarze 340: return MDOC_Do;
1.88 schwarze 341: case MDOC_Ec:
1.158 schwarze 342: return MDOC_Eo;
1.88 schwarze 343: case MDOC_Ed:
1.158 schwarze 344: return MDOC_Bd;
1.88 schwarze 345: case MDOC_Ef:
1.158 schwarze 346: return MDOC_Bf;
1.88 schwarze 347: case MDOC_Ek:
1.158 schwarze 348: return MDOC_Bk;
1.88 schwarze 349: case MDOC_El:
1.158 schwarze 350: return MDOC_Bl;
1.88 schwarze 351: case MDOC_Fc:
1.158 schwarze 352: return MDOC_Fo;
1.88 schwarze 353: case MDOC_Oc:
1.158 schwarze 354: return MDOC_Oo;
1.88 schwarze 355: case MDOC_Pc:
1.158 schwarze 356: return MDOC_Po;
1.88 schwarze 357: case MDOC_Qc:
1.158 schwarze 358: return MDOC_Qo;
1.88 schwarze 359: case MDOC_Re:
1.158 schwarze 360: return MDOC_Rs;
1.88 schwarze 361: case MDOC_Sc:
1.158 schwarze 362: return MDOC_So;
1.88 schwarze 363: case MDOC_Xc:
1.158 schwarze 364: return MDOC_Xo;
1.1 kristaps 365: default:
1.158 schwarze 366: return tok;
1.1 kristaps 367: }
368: }
369:
1.105 schwarze 370: static void
1.176 schwarze 371: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 372: {
1.141 schwarze 373: struct roff_node *n;
1.1 kristaps 374:
375: n = mdoc->last;
1.140 schwarze 376: if (n->type != ROFFT_ELEM)
1.1 kristaps 377: n = n->parent;
1.140 schwarze 378: assert(n->type == ROFFT_ELEM);
1.1 kristaps 379: assert(tok == n->tok);
1.105 schwarze 380: rew_last(mdoc, n);
1.1 kristaps 381: }
382:
1.170 schwarze 383: static void
384: break_intermediate(struct roff_node *n, struct roff_node *breaker)
385: {
1.174 schwarze 386: if (n != breaker &&
387: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
388: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
389: n = n->parent;
1.170 schwarze 390: while (n != breaker) {
391: if ( ! (n->flags & NODE_VALID))
392: n->flags |= NODE_BROKEN;
393: n = n->parent;
394: }
395: }
396:
1.47 schwarze 397: /*
1.143 schwarze 398: * If there is an open sub-block of the target requiring
399: * explicit close-out, postpone closing out the target until
400: * the rew_pending() call closing out the sub-block.
401: */
402: static int
1.176 schwarze 403: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.143 schwarze 404: struct roff_node *target)
405: {
406: struct roff_node *n;
407: int irc;
408:
1.172 schwarze 409: if (target->flags & NODE_VALID)
410: return 0;
411:
1.143 schwarze 412: irc = 0;
413: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.170 schwarze 414: if (n->flags & NODE_ENDED)
1.143 schwarze 415: continue;
416: if (n->type == ROFFT_BLOCK &&
1.182 schwarze 417: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.143 schwarze 418: irc = 1;
1.174 schwarze 419: break_intermediate(mdoc->last, target);
1.143 schwarze 420: if (target->type == ROFFT_HEAD)
1.169 schwarze 421: target->flags |= NODE_ENDED;
1.166 schwarze 422: else if ( ! (target->flags & NODE_ENDED)) {
1.184 schwarze 423: mandoc_msg(MANDOCERR_BLK_NEST,
424: line, ppos, "%s breaks %s",
425: roff_name[tok], roff_name[n->tok]);
1.143 schwarze 426: mdoc_endbody_alloc(mdoc, line, ppos,
1.173 schwarze 427: tok, target);
1.143 schwarze 428: }
429: }
430: }
1.158 schwarze 431: return irc;
1.143 schwarze 432: }
433:
434: /*
1.66 schwarze 435: * Allocate a word and check whether it's punctuation or not.
436: * Punctuation consists of those tokens found in mdoc_isdelim().
437: */
1.106 schwarze 438: static void
1.145 schwarze 439: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.80 schwarze 440: enum mdelim d, int may_append)
1.66 schwarze 441: {
1.88 schwarze 442:
1.106 schwarze 443: if (d == DELIM_MAX)
1.66 schwarze 444: d = mdoc_isdelim(p);
445:
1.80 schwarze 446: if (may_append &&
1.106 schwarze 447: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.140 schwarze 448: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.106 schwarze 449: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.148 schwarze 450: roff_word_append(mdoc, p);
1.106 schwarze 451: return;
1.80 schwarze 452: }
453:
1.148 schwarze 454: roff_word_alloc(mdoc, line, col, p);
1.66 schwarze 455:
1.71 schwarze 456: /*
1.100 schwarze 457: * If the word consists of a bare delimiter,
458: * flag the new node accordingly,
459: * unless doing so was vetoed by the invoking macro.
460: * Always clear the veto, it is only valid for one word.
1.71 schwarze 461: */
462:
1.100 schwarze 463: if (d == DELIM_OPEN)
1.166 schwarze 464: mdoc->last->flags |= NODE_DELIMO;
1.100 schwarze 465: else if (d == DELIM_CLOSE &&
466: ! (mdoc->flags & MDOC_NODELIMC) &&
1.88 schwarze 467: mdoc->last->parent->tok != MDOC_Fd)
1.166 schwarze 468: mdoc->last->flags |= NODE_DELIMC;
1.100 schwarze 469: mdoc->flags &= ~MDOC_NODELIMC;
1.66 schwarze 470: }
1.1 kristaps 471:
1.106 schwarze 472: static void
1.145 schwarze 473: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 474: {
1.109 schwarze 475: char *p;
1.42 schwarze 476: int la;
1.185 schwarze 477: enum margserr ac;
1.1 kristaps 478:
1.106 schwarze 479: if (buf[*pos] == '\0')
480: return;
1.1 kristaps 481:
482: for (;;) {
1.42 schwarze 483: la = *pos;
1.185 schwarze 484: ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p);
485: if (ac == ARGS_EOLN)
1.1 kristaps 486: break;
1.80 schwarze 487: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.43 schwarze 488:
1.42 schwarze 489: /*
490: * If we encounter end-of-sentence symbols, then trigger
491: * the double-space.
492: *
1.68 schwarze 493: * XXX: it's easy to allow this to propagate outward to
1.42 schwarze 494: * the last symbol, such that `. )' will cause the
495: * correct double-spacing. However, (1) groff isn't
496: * smart enough to do this and (2) it would require
497: * knowing which symbols break this behaviour, for
1.68 schwarze 498: * example, `. ;' shouldn't propagate the double-space.
1.42 schwarze 499: */
1.106 schwarze 500:
1.84 schwarze 501: if (mandoc_eos(p, strlen(p)))
1.166 schwarze 502: mdoc->last->flags |= NODE_EOS;
1.185 schwarze 503: if (ac == ARGS_ALLOC)
504: free(p);
1.1 kristaps 505: }
506: }
507:
508: /*
1.109 schwarze 509: * Parse one word.
510: * If it is a macro, call it and return 1.
511: * Otherwise, allocate it and return 0.
512: */
513: static int
1.185 schwarze 514: macro_or_word(MACRO_PROT_ARGS, char *p, int parsed)
1.109 schwarze 515: {
1.141 schwarze 516: int ntok;
1.109 schwarze 517:
1.185 schwarze 518: ntok = buf[ppos] == '"' || parsed == 0 ||
519: mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE :
520: lookup(mdoc, tok, line, ppos, p);
1.109 schwarze 521:
1.147 schwarze 522: if (ntok == TOKEN_NONE) {
523: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.182 schwarze 524: mdoc_macro(tok)->flags & MDOC_JOIN);
1.158 schwarze 525: return 0;
1.109 schwarze 526: } else {
1.176 schwarze 527: if (tok != TOKEN_NONE &&
1.182 schwarze 528: mdoc_macro(tok)->fp == in_line_eoln)
1.109 schwarze 529: rew_elem(mdoc, tok);
1.182 schwarze 530: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
1.147 schwarze 531: if (tok == TOKEN_NONE)
1.109 schwarze 532: append_delims(mdoc, line, pos, buf);
1.158 schwarze 533: return 1;
1.109 schwarze 534: }
535: }
536:
537: /*
1.88 schwarze 538: * Close out block partial/full explicit.
1.1 kristaps 539: */
1.107 schwarze 540: static void
1.1 kristaps 541: blk_exp_close(MACRO_PROT_ARGS)
542: {
1.141 schwarze 543: struct roff_node *body; /* Our own body. */
544: struct roff_node *endbody; /* Our own end marker. */
545: struct roff_node *itblk; /* An It block starting later. */
546: struct roff_node *later; /* A sub-block starting later. */
547: struct roff_node *n; /* Search back to our block. */
1.144 schwarze 548: struct roff_node *target; /* For find_pending(). */
1.47 schwarze 549:
1.144 schwarze 550: int j, lastarg, maxargs, nl, pending;
1.36 schwarze 551: enum margserr ac;
1.176 schwarze 552: enum roff_tok atok, ntok;
1.1 kristaps 553: char *p;
554:
1.76 schwarze 555: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 556:
1.1 kristaps 557: switch (tok) {
1.88 schwarze 558: case MDOC_Ec:
1.1 kristaps 559: maxargs = 1;
560: break;
1.88 schwarze 561: case MDOC_Ek:
1.82 schwarze 562: mdoc->flags &= ~MDOC_KEEP;
1.107 schwarze 563: /* FALLTHROUGH */
1.1 kristaps 564: default:
565: maxargs = 0;
566: break;
567: }
568:
1.165 schwarze 569: /* Search backwards for the beginning of our own body. */
570:
571: atok = rew_alt(tok);
572: body = NULL;
573: for (n = mdoc->last; n; n = n->parent) {
1.166 schwarze 574: if (n->flags & NODE_ENDED || n->tok != atok ||
1.165 schwarze 575: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
576: continue;
577: body = n;
578: break;
579: }
580:
1.47 schwarze 581: /*
582: * Search backwards for beginnings of blocks,
583: * both of our own and of pending sub-blocks.
584: */
1.107 schwarze 585:
1.165 schwarze 586: endbody = itblk = later = NULL;
1.76 schwarze 587: for (n = mdoc->last; n; n = n->parent) {
1.170 schwarze 588: if (n->flags & NODE_ENDED)
1.47 schwarze 589: continue;
590:
1.165 schwarze 591: /*
1.167 schwarze 592: * Mismatching end macros can never break anything
1.165 schwarze 593: * and we only care about the breaking of BLOCKs.
594: */
1.47 schwarze 595:
1.167 schwarze 596: if (body == NULL || n->type != ROFFT_BLOCK)
1.47 schwarze 597: continue;
1.116 schwarze 598:
1.167 schwarze 599: /*
600: * SYNOPSIS name blocks can not be broken themselves,
601: * but they do get broken together with a broken child.
602: */
603:
604: if (n->tok == MDOC_Nm) {
605: if (later != NULL)
606: n->flags |= NODE_BROKEN | NODE_ENDED;
607: continue;
608: }
609:
1.116 schwarze 610: if (n->tok == MDOC_It) {
1.127 schwarze 611: itblk = n;
1.116 schwarze 612: continue;
613: }
614:
1.47 schwarze 615: if (atok == n->tok) {
616:
617: /*
618: * Found the start of our own block.
619: * When there is no pending sub block,
620: * just proceed to closing out.
621: */
1.107 schwarze 622:
1.116 schwarze 623: if (later == NULL ||
1.127 schwarze 624: (tok == MDOC_El && itblk == NULL))
1.47 schwarze 625: break;
626:
1.88 schwarze 627: /*
1.123 schwarze 628: * When there is a pending sub block, postpone
629: * closing out the current block until the
630: * rew_pending() closing out the sub-block.
1.47 schwarze 631: * Mark the place where the formatting - but not
632: * the scope - of the current block ends.
633: */
1.107 schwarze 634:
1.184 schwarze 635: mandoc_msg(MANDOCERR_BLK_NEST,
1.139 schwarze 636: line, ppos, "%s breaks %s",
1.176 schwarze 637: roff_name[atok], roff_name[later->tok]);
1.139 schwarze 638:
1.122 schwarze 639: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.173 schwarze 640: atok, body);
1.107 schwarze 641:
1.139 schwarze 642: if (tok == MDOC_El)
1.166 schwarze 643: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.139 schwarze 644:
1.107 schwarze 645: /*
646: * If a block closing macro taking arguments
647: * breaks another block, put the arguments
1.122 schwarze 648: * into the end marker.
1.107 schwarze 649: */
650:
1.122 schwarze 651: if (maxargs)
1.145 schwarze 652: mdoc->next = ROFF_NEXT_CHILD;
1.47 schwarze 653: break;
1.138 schwarze 654: }
655:
1.171 schwarze 656: /*
657: * Explicit blocks close out description lines, but
658: * even those can get broken together with a child.
659: */
1.138 schwarze 660:
661: if (n->tok == MDOC_Nd) {
1.171 schwarze 662: if (later != NULL)
663: n->flags |= NODE_BROKEN | NODE_ENDED;
664: else
665: rew_last(mdoc, n);
1.138 schwarze 666: continue;
1.47 schwarze 667: }
668:
1.139 schwarze 669: /* Breaking an open sub block. */
1.107 schwarze 670:
1.170 schwarze 671: break_intermediate(mdoc->last, body);
1.166 schwarze 672: n->flags |= NODE_BROKEN;
1.139 schwarze 673: if (later == NULL)
1.47 schwarze 674: later = n;
675: }
1.122 schwarze 676:
677: if (body == NULL) {
1.184 schwarze 678: mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
679: "%s", roff_name[tok]);
1.122 schwarze 680: if (maxargs && endbody == NULL) {
681: /*
682: * Stray .Ec without previous .Eo:
683: * Break the output line, keep the arguments.
684: */
1.178 schwarze 685: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
686: rew_elem(mdoc, ROFF_br);
1.122 schwarze 687: }
688: } else if (endbody == NULL) {
689: rew_last(mdoc, body);
690: if (maxargs)
691: mdoc_tail_alloc(mdoc, line, ppos, atok);
692: }
1.47 schwarze 693:
1.182 schwarze 694: if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
1.106 schwarze 695: if (buf[*pos] != '\0')
1.184 schwarze 696: mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
697: "%s %s", roff_name[tok], buf + *pos);
1.127 schwarze 698: if (endbody == NULL && n != NULL)
1.123 schwarze 699: rew_pending(mdoc, n);
1.188 schwarze 700:
701: /*
702: * Restore the fill mode that was set before the display.
703: * This needs to be done here rather than during validation
704: * such that subsequent nodes get the right flags.
705: */
706:
707: if (tok == MDOC_Ed && body != NULL) {
708: if (body->flags & NODE_NOFILL)
709: mdoc->flags |= ROFF_NOFILL;
710: else
711: mdoc->flags &= ~ROFF_NOFILL;
712: }
1.107 schwarze 713: return;
1.1 kristaps 714: }
715:
1.122 schwarze 716: if (endbody != NULL)
717: n = endbody;
1.153 schwarze 718:
719: ntok = TOKEN_NONE;
1.104 schwarze 720: for (j = 0; ; j++) {
1.1 kristaps 721: lastarg = *pos;
722:
1.142 schwarze 723: if (j == maxargs && n != NULL)
724: rew_last(mdoc, n);
1.1 kristaps 725:
1.76 schwarze 726: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 727: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 728: break;
729:
1.181 schwarze 730: ntok = lookup(mdoc, tok, line, lastarg, p);
1.36 schwarze 731:
1.147 schwarze 732: if (ntok == TOKEN_NONE) {
1.106 schwarze 733: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.182 schwarze 734: mdoc_macro(tok)->flags & MDOC_JOIN);
1.185 schwarze 735: if (ac == ARGS_ALLOC)
736: free(p);
1.36 schwarze 737: continue;
738: }
1.185 schwarze 739: if (ac == ARGS_ALLOC)
740: free(p);
1.1 kristaps 741:
1.142 schwarze 742: if (n != NULL)
743: rew_last(mdoc, n);
1.79 schwarze 744: mdoc->flags &= ~MDOC_NEWLINE;
1.182 schwarze 745: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.36 schwarze 746: break;
1.1 kristaps 747: }
748:
1.144 schwarze 749: if (n != NULL) {
1.169 schwarze 750: pending = 0;
1.166 schwarze 751: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.144 schwarze 752: target = n;
753: do
754: target = target->parent;
1.166 schwarze 755: while ( ! (target->flags & NODE_ENDED));
1.172 schwarze 756: pending = find_pending(mdoc, ntok, line, ppos, target);
1.169 schwarze 757: }
1.144 schwarze 758: if ( ! pending)
759: rew_pending(mdoc, n);
760: }
1.106 schwarze 761: if (nl)
762: append_delims(mdoc, line, pos, buf);
1.1 kristaps 763: }
764:
1.107 schwarze 765: static void
1.1 kristaps 766: in_line(MACRO_PROT_ARGS)
767: {
1.100 schwarze 768: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.176 schwarze 769: enum roff_tok ntok;
1.36 schwarze 770: enum margserr ac;
1.40 schwarze 771: enum mdelim d;
1.36 schwarze 772: struct mdoc_arg *arg;
773: char *p;
1.1 kristaps 774:
1.76 schwarze 775: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 776:
1.1 kristaps 777: /*
778: * Whether we allow ignored elements (those without content,
779: * usually because of reserved words) to squeak by.
780: */
1.32 schwarze 781:
1.1 kristaps 782: switch (tok) {
1.88 schwarze 783: case MDOC_An:
784: case MDOC_Ar:
785: case MDOC_Fl:
786: case MDOC_Mt:
787: case MDOC_Nm:
788: case MDOC_Pa:
1.1 kristaps 789: nc = 1;
790: break;
791: default:
792: nc = 0;
793: break;
794: }
795:
1.108 schwarze 796: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 797:
1.100 schwarze 798: d = DELIM_NONE;
799: firstarg = 1;
1.98 schwarze 800: mayopen = 1;
1.45 schwarze 801: for (cnt = scope = 0;; ) {
1.1 kristaps 802: la = *pos;
1.76 schwarze 803: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 804:
1.100 schwarze 805: /*
806: * At the end of a macro line,
807: * opening delimiters do not suppress spacing.
808: */
809:
810: if (ac == ARGS_EOLN) {
811: if (d == DELIM_OPEN)
1.166 schwarze 812: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 813: break;
1.100 schwarze 814: }
815:
816: /*
817: * The rest of the macro line is only punctuation,
818: * to be handled by append_delims().
819: * If there were no other arguments,
820: * do not allow the first one to suppress spacing,
821: * even if it turns out to be a closing one.
822: */
823:
824: if (ac == ARGS_PUNCT) {
1.132 schwarze 825: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.100 schwarze 826: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 827: break;
1.100 schwarze 828: }
1.1 kristaps 829:
1.181 schwarze 830: ntok = (tok == MDOC_Fn && !cnt) ?
1.147 schwarze 831: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 832:
1.88 schwarze 833: /*
1.1 kristaps 834: * In this case, we've located a submacro and must
835: * execute it. Close out scope, if open. If no
836: * elements have been generated, either create one (nc)
837: * or raise a warning.
838: */
839:
1.147 schwarze 840: if (ntok != TOKEN_NONE) {
1.105 schwarze 841: if (scope)
842: rew_elem(mdoc, tok);
1.106 schwarze 843: if (nc && ! cnt) {
844: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.105 schwarze 845: rew_last(mdoc, mdoc->last);
1.106 schwarze 846: } else if ( ! nc && ! cnt) {
1.1 kristaps 847: mdoc_argv_free(arg);
1.92 schwarze 848: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1.184 schwarze 849: line, ppos, "%s", roff_name[tok]);
1.1 kristaps 850: }
1.182 schwarze 851: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
852: line, la, pos, buf);
1.106 schwarze 853: if (nl)
854: append_delims(mdoc, line, pos, buf);
1.185 schwarze 855: if (ac == ARGS_ALLOC)
856: free(p);
1.107 schwarze 857: return;
1.88 schwarze 858: }
1.1 kristaps 859:
1.88 schwarze 860: /*
1.181 schwarze 861: * Handle punctuation. Set up our scope, if a word;
862: * rewind the scope, if a delimiter; then append the word.
1.1 kristaps 863: */
864:
1.181 schwarze 865: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.45 schwarze 866: /*
867: * If we encounter closing punctuation, no word
1.100 schwarze 868: * has been emitted, no scope is open, and we're
1.45 schwarze 869: * allowed to have an empty element, then start
1.98 schwarze 870: * a new scope.
1.45 schwarze 871: */
1.98 schwarze 872: if ((d == DELIM_CLOSE ||
873: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.100 schwarze 874: !cnt && !scope && nc && mayopen) {
1.106 schwarze 875: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 876: scope = 1;
1.98 schwarze 877: cnt++;
1.106 schwarze 878: if (tok == MDOC_Nm)
1.98 schwarze 879: mayopen = 0;
1.45 schwarze 880: }
881: /*
882: * Close out our scope, if one is open, before
883: * any punctuation.
884: */
1.181 schwarze 885: if (scope && tok != MDOC_Lk) {
1.105 schwarze 886: rew_elem(mdoc, tok);
1.181 schwarze 887: scope = 0;
888: if (tok == MDOC_Fn)
889: mayopen = 0;
890: }
1.98 schwarze 891: } else if (mayopen && !scope) {
1.106 schwarze 892: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 893: scope = 1;
1.98 schwarze 894: cnt++;
1.1 kristaps 895: }
1.66 schwarze 896:
1.106 schwarze 897: dword(mdoc, line, la, p, d,
1.182 schwarze 898: mdoc_macro(tok)->flags & MDOC_JOIN);
1.27 schwarze 899:
1.185 schwarze 900: if (ac == ARGS_ALLOC)
901: free(p);
902:
1.27 schwarze 903: /*
1.100 schwarze 904: * If the first argument is a closing delimiter,
905: * do not suppress spacing before it.
906: */
907:
908: if (firstarg && d == DELIM_CLOSE && !nc)
1.166 schwarze 909: mdoc->last->flags &= ~NODE_DELIMC;
1.100 schwarze 910: firstarg = 0;
911:
912: /*
1.27 schwarze 913: * `Fl' macros have their scope re-opened with each new
914: * word so that the `-' can be added to each one without
915: * having to parse out spaces.
916: */
1.106 schwarze 917: if (scope && tok == MDOC_Fl) {
1.105 schwarze 918: rew_elem(mdoc, tok);
1.45 schwarze 919: scope = 0;
1.27 schwarze 920: }
1.1 kristaps 921: }
922:
1.175 schwarze 923: if (scope && tok != MDOC_Lk) {
1.105 schwarze 924: rew_elem(mdoc, tok);
1.175 schwarze 925: scope = 0;
926: }
1.1 kristaps 927:
928: /*
929: * If no elements have been collected and we're allowed to have
930: * empties (nc), open a scope and close it out. Otherwise,
931: * raise a warning.
932: */
1.32 schwarze 933:
1.106 schwarze 934: if ( ! cnt) {
935: if (nc) {
936: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
937: rew_last(mdoc, mdoc->last);
938: } else {
939: mdoc_argv_free(arg);
1.184 schwarze 940: mandoc_msg(MANDOCERR_MACRO_EMPTY,
941: line, ppos, "%s", roff_name[tok]);
1.106 schwarze 942: }
1.1 kristaps 943: }
1.106 schwarze 944: if (nl)
945: append_delims(mdoc, line, pos, buf);
1.175 schwarze 946: if (scope)
947: rew_elem(mdoc, tok);
1.1 kristaps 948: }
949:
1.107 schwarze 950: static void
1.1 kristaps 951: blk_full(MACRO_PROT_ARGS)
952: {
953: struct mdoc_arg *arg;
1.141 schwarze 954: struct roff_node *blk; /* Our own or a broken block. */
955: struct roff_node *head; /* Our own head. */
956: struct roff_node *body; /* Our own body. */
957: struct roff_node *n;
1.188 schwarze 958: char *p;
959: size_t iarg;
960: int done, la, nl, parsed;
1.37 schwarze 961: enum margserr ac, lac;
1.1 kristaps 962:
1.76 schwarze 963: nl = MDOC_NEWLINE & mdoc->flags;
1.95 schwarze 964:
1.133 schwarze 965: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
1.184 schwarze 966: mandoc_msg(MANDOCERR_MACRO_EMPTY,
967: line, ppos, "%s", roff_name[tok]);
1.133 schwarze 968: return;
969: }
970:
1.182 schwarze 971: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.127 schwarze 972:
973: /* Here, tok is one of Sh Ss Nm Nd It. */
974:
975: blk = NULL;
976: for (n = mdoc->last; n != NULL; n = n->parent) {
1.166 schwarze 977: if (n->flags & NODE_ENDED) {
978: if ( ! (n->flags & NODE_VALID))
979: n->flags |= NODE_BROKEN;
1.139 schwarze 980: continue;
981: }
1.140 schwarze 982: if (n->type != ROFFT_BLOCK)
1.127 schwarze 983: continue;
1.139 schwarze 984:
1.127 schwarze 985: if (tok == MDOC_It && n->tok == MDOC_Bl) {
986: if (blk != NULL) {
1.184 schwarze 987: mandoc_msg(MANDOCERR_BLK_BROKEN,
988: line, ppos, "It breaks %s",
1.176 schwarze 989: roff_name[blk->tok]);
1.127 schwarze 990: rew_pending(mdoc, blk);
991: }
992: break;
993: }
994:
1.182 schwarze 995: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.127 schwarze 996: switch (tok) {
997: case MDOC_Sh:
998: case MDOC_Ss:
1.184 schwarze 999: mandoc_msg(MANDOCERR_BLK_BROKEN,
1000: line, ppos,
1.176 schwarze 1001: "%s breaks %s", roff_name[tok],
1002: roff_name[n->tok]);
1.127 schwarze 1003: rew_pending(mdoc, n);
1.136 schwarze 1004: n = mdoc->last;
1.127 schwarze 1005: continue;
1006: case MDOC_It:
1007: /* Delay in case it's astray. */
1008: blk = n;
1009: continue;
1010: default:
1011: break;
1012: }
1013: break;
1014: }
1015:
1016: /* Here, n is one of Sh Ss Nm Nd It. */
1.95 schwarze 1017:
1.127 schwarze 1018: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1019: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1020: (tok != MDOC_It && n->tok == MDOC_It)))))
1.95 schwarze 1021: break;
1.127 schwarze 1022:
1023: /* Item breaking an explicit block. */
1024:
1025: if (blk != NULL) {
1.184 schwarze 1026: mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
1.176 schwarze 1027: "It breaks %s", roff_name[blk->tok]);
1.127 schwarze 1028: rew_pending(mdoc, blk);
1.128 schwarze 1029: blk = NULL;
1.127 schwarze 1030: }
1031:
1032: /* Close out prior implicit scopes. */
1033:
1.167 schwarze 1034: rew_pending(mdoc, n);
1.127 schwarze 1035: }
1036:
1037: /* Skip items outside lists. */
1038:
1039: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.184 schwarze 1040: mandoc_msg(MANDOCERR_IT_STRAY,
1.95 schwarze 1041: line, ppos, "It %s", buf + *pos);
1.178 schwarze 1042: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1043: rew_elem(mdoc, ROFF_br);
1.107 schwarze 1044: return;
1.95 schwarze 1045: }
1.1 kristaps 1046: }
1047:
1.32 schwarze 1048: /*
1.68 schwarze 1049: * This routine accommodates implicitly- and explicitly-scoped
1.32 schwarze 1050: * macro openings. Implicit ones first close out prior scope
1051: * (seen above). Delay opening the head until necessary to
1052: * allow leading punctuation to print. Special consideration
1053: * for `It -column', which has phrase-part syntax instead of
1054: * regular child nodes.
1055: */
1056:
1.189 schwarze 1057: switch (tok) {
1058: case MDOC_Sh:
1.188 schwarze 1059: mdoc->flags &= ~ROFF_NOFILL;
1.189 schwarze 1060: break;
1061: case MDOC_Ss:
1062: mdoc->flags |= ROFF_NONOFILL;
1063: break;
1064: default:
1065: break;
1066: }
1.108 schwarze 1067: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.121 schwarze 1068: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.34 schwarze 1069: head = body = NULL;
1.1 kristaps 1070:
1.32 schwarze 1071: /*
1.73 schwarze 1072: * Exception: Heads of `It' macros in `-diag' lists are not
1073: * parsed, even though `It' macros in general are parsed.
1074: */
1.107 schwarze 1075:
1.109 schwarze 1076: parsed = tok != MDOC_It ||
1077: mdoc->last->parent->tok != MDOC_Bl ||
1078: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.73 schwarze 1079:
1080: /*
1.32 schwarze 1081: * The `Nd' macro has all arguments in its body: it's a hybrid
1082: * of block partial-explicit and full-implicit. Stupid.
1083: */
1.12 schwarze 1084:
1.106 schwarze 1085: if (tok == MDOC_Nd) {
1.146 schwarze 1086: head = roff_head_alloc(mdoc, line, ppos, tok);
1.118 schwarze 1087: rew_last(mdoc, head);
1.146 schwarze 1088: body = roff_body_alloc(mdoc, line, ppos, tok);
1.80 schwarze 1089: }
1090:
1.106 schwarze 1091: if (tok == MDOC_Bk)
1.80 schwarze 1092: mdoc->flags |= MDOC_KEEP;
1.12 schwarze 1093:
1.161 schwarze 1094: ac = ARGS_EOLN;
1.106 schwarze 1095: for (;;) {
1.161 schwarze 1096:
1097: /*
1098: * If we are right after a tab character,
1099: * do not parse the first word for macros.
1100: */
1101:
1102: if (mdoc->flags & MDOC_PHRASEQN) {
1103: mdoc->flags &= ~MDOC_PHRASEQN;
1104: mdoc->flags |= MDOC_PHRASEQF;
1105: }
1106:
1.32 schwarze 1107: la = *pos;
1.106 schwarze 1108: lac = ac;
1.76 schwarze 1109: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1110: if (ac == ARGS_EOLN) {
1.161 schwarze 1111: if (lac != ARGS_PHRASE ||
1112: ! (mdoc->flags & MDOC_PHRASEQF))
1.46 schwarze 1113: break;
1.161 schwarze 1114:
1.46 schwarze 1115: /*
1.161 schwarze 1116: * This line ends in a tab; start the next
1117: * column now, with a leading blank.
1.46 schwarze 1118: */
1.161 schwarze 1119:
1.123 schwarze 1120: if (body != NULL)
1121: rew_last(mdoc, body);
1.146 schwarze 1122: body = roff_body_alloc(mdoc, line, ppos, tok);
1.161 schwarze 1123: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1124: break;
1.41 schwarze 1125: }
1.161 schwarze 1126:
1.130 schwarze 1127: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1.184 schwarze 1128: mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
1129: "%s ... %s", roff_name[tok], buf + la);
1.185 schwarze 1130: if (ac == ARGS_ALLOC)
1131: free(p);
1.130 schwarze 1132: break;
1133: }
1.129 schwarze 1134: if (tok == MDOC_Rs) {
1.184 schwarze 1135: mandoc_msg(MANDOCERR_ARG_SKIP,
1.129 schwarze 1136: line, la, "Rs %s", buf + la);
1.185 schwarze 1137: if (ac == ARGS_ALLOC)
1138: free(p);
1.129 schwarze 1139: break;
1140: }
1141: if (ac == ARGS_PUNCT)
1142: break;
1.41 schwarze 1143:
1.88 schwarze 1144: /*
1.46 schwarze 1145: * Emit leading punctuation (i.e., punctuation before
1.140 schwarze 1146: * the ROFFT_HEAD) for non-phrase types.
1.46 schwarze 1147: */
1.32 schwarze 1148:
1.106 schwarze 1149: if (head == NULL &&
1150: ac != ARGS_PHRASE &&
1151: mdoc_isdelim(p) == DELIM_OPEN) {
1152: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1153: if (ac == ARGS_ALLOC)
1154: free(p);
1.32 schwarze 1155: continue;
1156: }
1157:
1.46 schwarze 1158: /* Open a head if one hasn't been opened. */
1.32 schwarze 1159:
1.106 schwarze 1160: if (head == NULL)
1.146 schwarze 1161: head = roff_head_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1162:
1.161 schwarze 1163: if (ac == ARGS_PHRASE) {
1.107 schwarze 1164:
1.46 schwarze 1165: /*
1166: * If we haven't opened a body yet, rewind the
1167: * head; if we have, rewind that instead.
1168: */
1169:
1.123 schwarze 1170: rew_last(mdoc, body == NULL ? head : body);
1.146 schwarze 1171: body = roff_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1172:
1.161 schwarze 1173: /* Process to the tab or to the end of the line. */
1.46 schwarze 1174:
1.161 schwarze 1175: mdoc->flags |= MDOC_PHRASE;
1.147 schwarze 1176: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.161 schwarze 1177: mdoc->flags &= ~MDOC_PHRASE;
1.160 schwarze 1178:
1179: /* There may have been `Ta' macros. */
1180:
1181: while (body->next != NULL)
1182: body = body->next;
1.1 kristaps 1183: continue;
1184: }
1185:
1.185 schwarze 1186: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
1187: if (ac == ARGS_ALLOC)
1188: free(p);
1189: if (done)
1.107 schwarze 1190: break;
1.32 schwarze 1191: }
1.1 kristaps 1192:
1.166 schwarze 1193: if (blk->flags & NODE_VALID)
1.121 schwarze 1194: return;
1.106 schwarze 1195: if (head == NULL)
1.146 schwarze 1196: head = roff_head_alloc(mdoc, line, ppos, tok);
1.130 schwarze 1197: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.106 schwarze 1198: append_delims(mdoc, line, pos, buf);
1.107 schwarze 1199: if (body != NULL)
1.46 schwarze 1200: goto out;
1.143 schwarze 1201: if (find_pending(mdoc, tok, line, ppos, head))
1.139 schwarze 1202: return;
1.54 schwarze 1203:
1.32 schwarze 1204: /* Close out scopes to remain in a consistent state. */
1.12 schwarze 1205:
1.123 schwarze 1206: rew_last(mdoc, head);
1.146 schwarze 1207: body = roff_body_alloc(mdoc, line, ppos, tok);
1.189 schwarze 1208: if (tok == MDOC_Ss)
1209: mdoc->flags &= ~ROFF_NONOFILL;
1.188 schwarze 1210:
1211: /*
1212: * Set up fill mode for display blocks.
1213: * This needs to be done here up front rather than during
1214: * validation such that child nodes get the right flags.
1215: */
1216:
1217: if (tok == MDOC_Bd && arg != NULL) {
1218: for (iarg = 0; iarg < arg->argc; iarg++) {
1219: switch (arg->argv[iarg].arg) {
1220: case MDOC_Unfilled:
1221: case MDOC_Literal:
1222: mdoc->flags |= ROFF_NOFILL;
1223: break;
1224: case MDOC_Filled:
1225: case MDOC_Ragged:
1226: case MDOC_Centred:
1227: mdoc->flags &= ~ROFF_NOFILL;
1228: break;
1229: default:
1230: continue;
1231: }
1232: break;
1233: }
1234: }
1.46 schwarze 1235: out:
1.106 schwarze 1236: if (mdoc->flags & MDOC_FREECOL) {
1.123 schwarze 1237: rew_last(mdoc, body);
1238: rew_last(mdoc, blk);
1.106 schwarze 1239: mdoc->flags &= ~MDOC_FREECOL;
1240: }
1.1 kristaps 1241: }
1242:
1.107 schwarze 1243: static void
1.1 kristaps 1244: blk_part_imp(MACRO_PROT_ARGS)
1245: {
1.185 schwarze 1246: int done, la, nl;
1.36 schwarze 1247: enum margserr ac;
1.1 kristaps 1248: char *p;
1.141 schwarze 1249: struct roff_node *blk; /* saved block context */
1250: struct roff_node *body; /* saved body context */
1251: struct roff_node *n;
1.1 kristaps 1252:
1.76 schwarze 1253: nl = MDOC_NEWLINE & mdoc->flags;
1.43 schwarze 1254:
1.32 schwarze 1255: /*
1256: * A macro that spans to the end of the line. This is generally
1257: * (but not necessarily) called as the first macro. The block
1258: * has a head as the immediate child, which is always empty,
1259: * followed by zero or more opening punctuation nodes, then the
1260: * body (which may be empty, depending on the macro), then zero
1261: * or more closing punctuation nodes.
1262: */
1.22 schwarze 1263:
1.106 schwarze 1264: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.146 schwarze 1265: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1266:
1.32 schwarze 1267: /*
1268: * Open the body scope "on-demand", that is, after we've
1269: * processed all our the leading delimiters (open parenthesis,
1270: * etc.).
1271: */
1.1 kristaps 1272:
1.32 schwarze 1273: for (body = NULL; ; ) {
1.22 schwarze 1274: la = *pos;
1.76 schwarze 1275: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1276: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1277: break;
1278:
1.181 schwarze 1279: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.106 schwarze 1280: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1281: if (ac == ARGS_ALLOC)
1282: free(p);
1.1 kristaps 1283: continue;
1.80 schwarze 1284: }
1.1 kristaps 1285:
1.106 schwarze 1286: if (body == NULL)
1.146 schwarze 1287: body = roff_body_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1288:
1.185 schwarze 1289: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1290: if (ac == ARGS_ALLOC)
1291: free(p);
1292: if (done)
1.107 schwarze 1293: break;
1.32 schwarze 1294: }
1.106 schwarze 1295: if (body == NULL)
1.146 schwarze 1296: body = roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1297:
1.143 schwarze 1298: if (find_pending(mdoc, tok, line, ppos, body))
1.139 schwarze 1299: return;
1300:
1.120 schwarze 1301: rew_last(mdoc, body);
1.106 schwarze 1302: if (nl)
1303: append_delims(mdoc, line, pos, buf);
1.122 schwarze 1304: rew_pending(mdoc, blk);
1.74 schwarze 1305:
1306: /* Move trailing .Ns out of scope. */
1307:
1308: for (n = body->child; n && n->next; n = n->next)
1309: /* Do nothing. */ ;
1.106 schwarze 1310: if (n && n->tok == MDOC_Ns)
1.183 schwarze 1311: roff_node_relink(mdoc, n);
1.1 kristaps 1312: }
1313:
1.107 schwarze 1314: static void
1.1 kristaps 1315: blk_part_exp(MACRO_PROT_ARGS)
1316: {
1.185 schwarze 1317: int done, la, nl;
1.36 schwarze 1318: enum margserr ac;
1.141 schwarze 1319: struct roff_node *head; /* keep track of head */
1.1 kristaps 1320: char *p;
1321:
1.76 schwarze 1322: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 1323:
1.32 schwarze 1324: /*
1325: * The opening of an explicit macro having zero or more leading
1326: * punctuation nodes; a head with optional single element (the
1327: * case of `Eo'); and a body that may be empty.
1328: */
1.22 schwarze 1329:
1.149 schwarze 1330: roff_block_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1331: head = NULL;
1332: for (;;) {
1.22 schwarze 1333: la = *pos;
1.76 schwarze 1334: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1335: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1336: break;
1337:
1.32 schwarze 1338: /* Flush out leading punctuation. */
1339:
1.181 schwarze 1340: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.106 schwarze 1341: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1342: if (ac == ARGS_ALLOC)
1343: free(p);
1.32 schwarze 1344: continue;
1.80 schwarze 1345: }
1.32 schwarze 1346:
1.106 schwarze 1347: if (head == NULL) {
1.146 schwarze 1348: head = roff_head_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1349: if (tok == MDOC_Eo) /* Not parsed. */
1.106 schwarze 1350: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.119 schwarze 1351: rew_last(mdoc, head);
1.146 schwarze 1352: roff_body_alloc(mdoc, line, ppos, tok);
1.185 schwarze 1353: if (tok == MDOC_Eo) {
1354: if (ac == ARGS_ALLOC)
1355: free(p);
1.32 schwarze 1356: continue;
1.185 schwarze 1357: }
1.32 schwarze 1358: }
1359:
1.185 schwarze 1360: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1361: if (ac == ARGS_ALLOC)
1362: free(p);
1363: if (done)
1.107 schwarze 1364: break;
1.1 kristaps 1365: }
1366:
1.32 schwarze 1367: /* Clean-up to leave in a consistent state. */
1368:
1.119 schwarze 1369: if (head == NULL) {
1.146 schwarze 1370: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1371: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1372: }
1.106 schwarze 1373: if (nl)
1374: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1375: }
1376:
1.107 schwarze 1377: static void
1.1 kristaps 1378: in_line_argn(MACRO_PROT_ARGS)
1379: {
1.36 schwarze 1380: struct mdoc_arg *arg;
1381: char *p;
1.137 schwarze 1382: enum margserr ac;
1.176 schwarze 1383: enum roff_tok ntok;
1.137 schwarze 1384: int state; /* arg#; -1: not yet open; -2: closed */
1385: int la, maxargs, nl;
1.1 kristaps 1386:
1.112 schwarze 1387: nl = mdoc->flags & MDOC_NEWLINE;
1.37 schwarze 1388:
1.32 schwarze 1389: /*
1390: * A line macro that has a fixed number of arguments (maxargs).
1391: * Only open the scope once the first non-leading-punctuation is
1392: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1393: * keep it open until the maximum number of arguments are
1394: * exhausted.
1395: */
1.1 kristaps 1396:
1397: switch (tok) {
1.88 schwarze 1398: case MDOC_Ap:
1399: case MDOC_Ns:
1400: case MDOC_Ux:
1.1 kristaps 1401: maxargs = 0;
1402: break;
1.88 schwarze 1403: case MDOC_Bx:
1.89 schwarze 1404: case MDOC_Es:
1.88 schwarze 1405: case MDOC_Xr:
1.28 schwarze 1406: maxargs = 2;
1407: break;
1.1 kristaps 1408: default:
1409: maxargs = 1;
1410: break;
1411: }
1412:
1.108 schwarze 1413: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1414:
1.137 schwarze 1415: state = -1;
1.112 schwarze 1416: p = NULL;
1417: for (;;) {
1.22 schwarze 1418: la = *pos;
1.76 schwarze 1419: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.137 schwarze 1420:
1.185 schwarze 1421: if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
1.182 schwarze 1422: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.137 schwarze 1423: mdoc_isdelim(p) == DELIM_OPEN) {
1424: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1425: if (ac == ARGS_ALLOC)
1426: free(p);
1.137 schwarze 1427: continue;
1428: }
1429:
1430: if (state == -1 && tok != MDOC_In &&
1431: tok != MDOC_St && tok != MDOC_Xr) {
1432: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1433: state = 0;
1434: }
1435:
1.112 schwarze 1436: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.137 schwarze 1437: if (abs(state) < 2 && tok == MDOC_Pf)
1.184 schwarze 1438: mandoc_msg(MANDOCERR_PF_SKIP,
1439: line, ppos, "Pf %s",
1.112 schwarze 1440: p == NULL ? "at eol" : p);
1.1 kristaps 1441: break;
1.112 schwarze 1442: }
1.1 kristaps 1443:
1.137 schwarze 1444: if (state == maxargs) {
1.105 schwarze 1445: rew_elem(mdoc, tok);
1.137 schwarze 1446: state = -2;
1.32 schwarze 1447: }
1448:
1.181 schwarze 1449: ntok = (tok == MDOC_Pf && state == 0) ?
1.147 schwarze 1450: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.36 schwarze 1451:
1.147 schwarze 1452: if (ntok != TOKEN_NONE) {
1.137 schwarze 1453: if (state >= 0) {
1.105 schwarze 1454: rew_elem(mdoc, tok);
1.137 schwarze 1455: state = -2;
1456: }
1.182 schwarze 1457: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
1458: line, la, pos, buf);
1.185 schwarze 1459: if (ac == ARGS_ALLOC)
1460: free(p);
1.1 kristaps 1461: break;
1462: }
1463:
1.182 schwarze 1464: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.137 schwarze 1465: mdoc_isdelim(p) == DELIM_NONE) {
1466: if (state == -1) {
1467: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1468: state = 1;
1469: } else if (state >= 0)
1470: state++;
1471: } else if (state >= 0) {
1.105 schwarze 1472: rew_elem(mdoc, tok);
1.137 schwarze 1473: state = -2;
1.28 schwarze 1474: }
1475:
1.106 schwarze 1476: dword(mdoc, line, la, p, DELIM_MAX,
1.182 schwarze 1477: mdoc_macro(tok)->flags & MDOC_JOIN);
1.185 schwarze 1478: if (ac == ARGS_ALLOC)
1479: free(p);
1480: p = mdoc->last->string;
1.1 kristaps 1481: }
1482:
1.137 schwarze 1483: if (state == -1) {
1.184 schwarze 1484: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1485: line, ppos, "%s", roff_name[tok]);
1.137 schwarze 1486: return;
1.112 schwarze 1487: }
1.137 schwarze 1488:
1489: if (state == 0 && tok == MDOC_Pf)
1490: append_delims(mdoc, line, pos, buf);
1491: if (state >= 0)
1.105 schwarze 1492: rew_elem(mdoc, tok);
1.106 schwarze 1493: if (nl)
1494: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1495: }
1496:
1.107 schwarze 1497: static void
1.1 kristaps 1498: in_line_eoln(MACRO_PROT_ARGS)
1499: {
1.141 schwarze 1500: struct roff_node *n;
1.126 schwarze 1501: struct mdoc_arg *arg;
1.1 kristaps 1502:
1.126 schwarze 1503: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1504: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1505: n = mdoc->last;
1.145 schwarze 1506: if (mdoc->next == ROFF_NEXT_SIBLING)
1.126 schwarze 1507: n = n->parent;
1508: if (n->tok == MDOC_Nm)
1.154 schwarze 1509: rew_last(mdoc, n->parent);
1.134 schwarze 1510: }
1511:
1.135 schwarze 1512: if (buf[*pos] == '\0' &&
1.176 schwarze 1513: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.184 schwarze 1514: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1515: line, ppos, "%s", roff_name[tok]);
1.134 schwarze 1516: return;
1.126 schwarze 1517: }
1.53 schwarze 1518:
1.108 schwarze 1519: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.106 schwarze 1520: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.110 schwarze 1521: if (parse_rest(mdoc, tok, line, pos, buf))
1522: return;
1523: rew_elem(mdoc, tok);
1524: }
1525:
1526: /*
1527: * The simplest argument parser available: Parse the remaining
1528: * words until the end of the phrase or line and return 0
1529: * or until the next macro, call that macro, and return 1.
1530: */
1531: static int
1.176 schwarze 1532: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1533: int line, int *pos, char *buf)
1.110 schwarze 1534: {
1.185 schwarze 1535: char *p;
1536: int done, la;
1537: enum margserr ac;
1.1 kristaps 1538:
1539: for (;;) {
1540: la = *pos;
1.185 schwarze 1541: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1542: if (ac == ARGS_EOLN)
1.158 schwarze 1543: return 0;
1.185 schwarze 1544: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1545: if (ac == ARGS_ALLOC)
1546: free(p);
1547: if (done)
1.158 schwarze 1548: return 1;
1.1 kristaps 1549: }
1.28 schwarze 1550: }
1551:
1.107 schwarze 1552: static void
1.28 schwarze 1553: ctx_synopsis(MACRO_PROT_ARGS)
1554: {
1.37 schwarze 1555:
1.107 schwarze 1556: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1557: in_line(mdoc, tok, line, ppos, pos, buf);
1558: else if (tok == MDOC_Nm)
1559: blk_full(mdoc, tok, line, ppos, pos, buf);
1560: else {
1561: assert(tok == MDOC_Vt);
1562: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1563: }
1.1 kristaps 1564: }
1565:
1.17 schwarze 1566: /*
1567: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1568: * They're unusual because they're basically free-form text until a
1569: * macro is encountered.
1570: */
1.107 schwarze 1571: static void
1.46 schwarze 1572: phrase_ta(MACRO_PROT_ARGS)
1573: {
1.141 schwarze 1574: struct roff_node *body, *n;
1.46 schwarze 1575:
1.78 schwarze 1576: /* Make sure we are in a column list or ignore this macro. */
1.107 schwarze 1577:
1.123 schwarze 1578: body = NULL;
1579: for (n = mdoc->last; n != NULL; n = n->parent) {
1.166 schwarze 1580: if (n->flags & NODE_ENDED)
1.123 schwarze 1581: continue;
1.140 schwarze 1582: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.123 schwarze 1583: body = n;
1.164 schwarze 1584: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.123 schwarze 1585: break;
1586: }
1587:
1.107 schwarze 1588: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.184 schwarze 1589: mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
1.107 schwarze 1590: return;
1.78 schwarze 1591: }
1.46 schwarze 1592:
1.78 schwarze 1593: /* Advance to the next column. */
1.106 schwarze 1594:
1.123 schwarze 1595: rew_last(mdoc, body);
1.146 schwarze 1596: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.147 schwarze 1597: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.46 schwarze 1598: }
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