Annotation of src/usr.bin/mandoc/mdoc_macro.c, Revision 1.189
1.189 ! schwarze 1: /* $OpenBSD: mdoc_macro.c,v 1.188 2019/01/01 07:41:22 schwarze Exp $ */
1.1 kristaps 2: /*
1.74 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.188 schwarze 4: * Copyright (c) 2010, 2012-2019 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] = {
1.1 kristaps 62: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
63: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
64: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.80 schwarze 65: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
66: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
67: { in_line_eoln, 0 }, /* Pp */
68: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
69: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 70: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.80 schwarze 71: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 72: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.80 schwarze 73: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
74: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
75: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
76: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.181 schwarze 77: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
78: MDOC_IGNDELIM | MDOC_JOIN }, /* Ap */
1.1 kristaps 79: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.86 schwarze 80: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 81: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.80 schwarze 82: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 85: { in_line_eoln, 0 }, /* Ex */
1.80 schwarze 86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
87: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.80 schwarze 89: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
90: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.85 schwarze 91: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.11 schwarze 92: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.80 schwarze 93: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
94: { blk_full, MDOC_JOIN }, /* Nd */
95: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 96: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.89 schwarze 97: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 98: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
99: { in_line_eoln, 0 }, /* Rv */
1.80 schwarze 100: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 101: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.80 schwarze 102: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.28 schwarze 103: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.80 schwarze 104: { in_line_eoln, MDOC_JOIN }, /* %A */
105: { in_line_eoln, MDOC_JOIN }, /* %B */
106: { in_line_eoln, MDOC_JOIN }, /* %D */
107: { in_line_eoln, MDOC_JOIN }, /* %I */
108: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 109: { in_line_eoln, 0 }, /* %N */
1.80 schwarze 110: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 111: { in_line_eoln, 0 }, /* %P */
1.80 schwarze 112: { in_line_eoln, MDOC_JOIN }, /* %R */
113: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 114: { in_line_eoln, 0 }, /* %V */
1.80 schwarze 115: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
116: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
117: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
118: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
119: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 120: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.80 schwarze 121: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
122: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
123: { blk_full, MDOC_EXPLICIT }, /* Bf */
124: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
125: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
126: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 127: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
128: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
129: { in_line_eoln, 0 }, /* Db */
1.80 schwarze 130: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
131: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
132: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
133: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
134: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
135: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
136: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
137: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 138: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
139: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.3 schwarze 140: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.100 schwarze 141: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.80 schwarze 142: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
143: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 144: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
145: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.80 schwarze 146: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
147: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.35 schwarze 148: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.80 schwarze 149: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
150: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
151: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
152: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
153: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
154: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
155: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
156: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
157: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
158: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 159: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.80 schwarze 160: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
161: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
162: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
163: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
164: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.103 schwarze 165: { in_line_argn, 0 }, /* Sm */
1.80 schwarze 166: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
167: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 168: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.80 schwarze 169: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 170: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
171: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.80 schwarze 172: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
173: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
174: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
175: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
176: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
177: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
178: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 179: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.80 schwarze 180: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 181: { in_line_eoln, 0 }, /* Bt */
182: { in_line_eoln, 0 }, /* Hf */
1.89 schwarze 183: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 184: { in_line_eoln, 0 }, /* Ud */
1.45 schwarze 185: { in_line, 0 }, /* Lb */
1.80 schwarze 186: { in_line_eoln, 0 }, /* Lp */
187: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
188: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
189: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
190: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
191: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
192: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
193: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
194: { in_line_eoln, MDOC_JOIN }, /* %C */
1.89 schwarze 195: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
196: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 197: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.80 schwarze 198: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.25 schwarze 199: { in_line_eoln, 0 }, /* %U */
1.80 schwarze 200: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.1 kristaps 201: };
202:
203:
1.182 schwarze 204: const struct mdoc_macro *
205: mdoc_macro(enum roff_tok tok)
206: {
207: assert(tok >= MDOC_Dd && tok < MDOC_MAX);
208: return mdoc_macros + (tok - MDOC_Dd);
209: }
210:
1.1 kristaps 211: /*
212: * This is called at the end of parsing. It must traverse up the tree,
213: * closing out open [implicit] scopes. Obviously, open explicit scopes
214: * are errors.
215: */
1.107 schwarze 216: void
1.151 schwarze 217: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 218: {
1.141 schwarze 219: struct roff_node *n;
1.1 kristaps 220:
221: /* Scan for open explicit scopes. */
222:
1.166 schwarze 223: n = mdoc->last->flags & NODE_VALID ?
1.88 schwarze 224: mdoc->last->parent : mdoc->last;
1.1 kristaps 225:
1.56 schwarze 226: for ( ; n; n = n->parent)
1.140 schwarze 227: if (n->type == ROFFT_BLOCK &&
1.182 schwarze 228: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT)
1.184 schwarze 229: mandoc_msg(MANDOCERR_BLK_NOEND,
230: n->line, n->pos, "%s", roff_name[n->tok]);
1.1 kristaps 231:
1.22 schwarze 232: /* Rewind to the first. */
233:
1.186 schwarze 234: rew_last(mdoc, mdoc->meta.first);
1.1 kristaps 235: }
236:
1.22 schwarze 237: /*
1.109 schwarze 238: * Look up the macro at *p called by "from",
1.147 schwarze 239: * or as a line macro if from == TOKEN_NONE.
1.22 schwarze 240: */
1.141 schwarze 241: static int
1.145 schwarze 242: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.21 schwarze 243: {
1.176 schwarze 244: enum roff_tok res;
1.1 kristaps 245:
1.161 schwarze 246: if (mdoc->flags & MDOC_PHRASEQF) {
247: mdoc->flags &= ~MDOC_PHRASEQF;
248: return TOKEN_NONE;
249: }
1.182 schwarze 250: if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) {
1.177 schwarze 251: res = roffhash_find(mdoc->mdocmac, p, 0);
1.147 schwarze 252: if (res != TOKEN_NONE) {
1.182 schwarze 253: if (mdoc_macro(res)->flags & MDOC_CALLABLE)
1.158 schwarze 254: return res;
1.184 schwarze 255: mandoc_msg(MANDOCERR_MACRO_CALL, line, ppos, "%s", p);
1.111 schwarze 256: }
1.109 schwarze 257: }
1.158 schwarze 258: return TOKEN_NONE;
1.1 kristaps 259: }
260:
1.122 schwarze 261: /*
262: * Rewind up to and including a specific node.
263: */
1.105 schwarze 264: static void
1.145 schwarze 265: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 266: {
267:
1.166 schwarze 268: if (to->flags & NODE_VALID)
1.142 schwarze 269: return;
270:
1.1 kristaps 271: while (mdoc->last != to) {
1.162 schwarze 272: mdoc_state(mdoc, mdoc->last);
1.166 schwarze 273: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.162 schwarze 274: mdoc->last = mdoc->last->parent;
1.1 kristaps 275: }
1.162 schwarze 276: mdoc_state(mdoc, mdoc->last);
1.166 schwarze 277: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.156 schwarze 278: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 279: }
280:
1.22 schwarze 281: /*
1.122 schwarze 282: * Rewind up to a specific block, including all blocks that broke it.
283: */
284: static void
1.145 schwarze 285: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.122 schwarze 286: {
287:
1.139 schwarze 288: for (;;) {
289: rew_last(mdoc, n);
290:
1.150 schwarze 291: if (mdoc->last == n) {
292: switch (n->type) {
293: case ROFFT_HEAD:
294: roff_body_alloc(mdoc, n->line, n->pos,
295: n->tok);
1.189 ! schwarze 296: if (n->tok == MDOC_Ss)
! 297: mdoc->flags &= ~ROFF_NONOFILL;
1.163 schwarze 298: break;
1.150 schwarze 299: case ROFFT_BLOCK:
300: break;
301: default:
302: return;
303: }
1.166 schwarze 304: if ( ! (n->flags & NODE_BROKEN))
1.150 schwarze 305: return;
306: } else
307: n = mdoc->last;
1.122 schwarze 308:
1.139 schwarze 309: for (;;) {
310: if ((n = n->parent) == NULL)
311: return;
312:
1.140 schwarze 313: if (n->type == ROFFT_BLOCK ||
314: n->type == ROFFT_HEAD) {
1.166 schwarze 315: if (n->flags & NODE_ENDED)
1.139 schwarze 316: break;
317: else
318: return;
319: }
320: }
1.122 schwarze 321: }
322: }
323:
324: /*
1.48 schwarze 325: * For a block closing macro, return the corresponding opening one.
326: * Otherwise, return the macro itself.
1.22 schwarze 327: */
1.176 schwarze 328: static enum roff_tok
329: rew_alt(enum roff_tok tok)
1.1 kristaps 330: {
331: switch (tok) {
1.88 schwarze 332: case MDOC_Ac:
1.158 schwarze 333: return MDOC_Ao;
1.88 schwarze 334: case MDOC_Bc:
1.158 schwarze 335: return MDOC_Bo;
1.88 schwarze 336: case MDOC_Brc:
1.158 schwarze 337: return MDOC_Bro;
1.88 schwarze 338: case MDOC_Dc:
1.158 schwarze 339: return MDOC_Do;
1.88 schwarze 340: case MDOC_Ec:
1.158 schwarze 341: return MDOC_Eo;
1.88 schwarze 342: case MDOC_Ed:
1.158 schwarze 343: return MDOC_Bd;
1.88 schwarze 344: case MDOC_Ef:
1.158 schwarze 345: return MDOC_Bf;
1.88 schwarze 346: case MDOC_Ek:
1.158 schwarze 347: return MDOC_Bk;
1.88 schwarze 348: case MDOC_El:
1.158 schwarze 349: return MDOC_Bl;
1.88 schwarze 350: case MDOC_Fc:
1.158 schwarze 351: return MDOC_Fo;
1.88 schwarze 352: case MDOC_Oc:
1.158 schwarze 353: return MDOC_Oo;
1.88 schwarze 354: case MDOC_Pc:
1.158 schwarze 355: return MDOC_Po;
1.88 schwarze 356: case MDOC_Qc:
1.158 schwarze 357: return MDOC_Qo;
1.88 schwarze 358: case MDOC_Re:
1.158 schwarze 359: return MDOC_Rs;
1.88 schwarze 360: case MDOC_Sc:
1.158 schwarze 361: return MDOC_So;
1.88 schwarze 362: case MDOC_Xc:
1.158 schwarze 363: return MDOC_Xo;
1.1 kristaps 364: default:
1.158 schwarze 365: return tok;
1.1 kristaps 366: }
367: }
368:
1.105 schwarze 369: static void
1.176 schwarze 370: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 371: {
1.141 schwarze 372: struct roff_node *n;
1.1 kristaps 373:
374: n = mdoc->last;
1.140 schwarze 375: if (n->type != ROFFT_ELEM)
1.1 kristaps 376: n = n->parent;
1.140 schwarze 377: assert(n->type == ROFFT_ELEM);
1.1 kristaps 378: assert(tok == n->tok);
1.105 schwarze 379: rew_last(mdoc, n);
1.1 kristaps 380: }
381:
1.170 schwarze 382: static void
383: break_intermediate(struct roff_node *n, struct roff_node *breaker)
384: {
1.174 schwarze 385: if (n != breaker &&
386: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
387: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
388: n = n->parent;
1.170 schwarze 389: while (n != breaker) {
390: if ( ! (n->flags & NODE_VALID))
391: n->flags |= NODE_BROKEN;
392: n = n->parent;
393: }
394: }
395:
1.47 schwarze 396: /*
1.143 schwarze 397: * If there is an open sub-block of the target requiring
398: * explicit close-out, postpone closing out the target until
399: * the rew_pending() call closing out the sub-block.
400: */
401: static int
1.176 schwarze 402: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.143 schwarze 403: struct roff_node *target)
404: {
405: struct roff_node *n;
406: int irc;
407:
1.172 schwarze 408: if (target->flags & NODE_VALID)
409: return 0;
410:
1.143 schwarze 411: irc = 0;
412: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.170 schwarze 413: if (n->flags & NODE_ENDED)
1.143 schwarze 414: continue;
415: if (n->type == ROFFT_BLOCK &&
1.182 schwarze 416: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.143 schwarze 417: irc = 1;
1.174 schwarze 418: break_intermediate(mdoc->last, target);
1.143 schwarze 419: if (target->type == ROFFT_HEAD)
1.169 schwarze 420: target->flags |= NODE_ENDED;
1.166 schwarze 421: else if ( ! (target->flags & NODE_ENDED)) {
1.184 schwarze 422: mandoc_msg(MANDOCERR_BLK_NEST,
423: line, ppos, "%s breaks %s",
424: roff_name[tok], roff_name[n->tok]);
1.143 schwarze 425: mdoc_endbody_alloc(mdoc, line, ppos,
1.173 schwarze 426: tok, target);
1.143 schwarze 427: }
428: }
429: }
1.158 schwarze 430: return irc;
1.143 schwarze 431: }
432:
433: /*
1.66 schwarze 434: * Allocate a word and check whether it's punctuation or not.
435: * Punctuation consists of those tokens found in mdoc_isdelim().
436: */
1.106 schwarze 437: static void
1.145 schwarze 438: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.80 schwarze 439: enum mdelim d, int may_append)
1.66 schwarze 440: {
1.88 schwarze 441:
1.106 schwarze 442: if (d == DELIM_MAX)
1.66 schwarze 443: d = mdoc_isdelim(p);
444:
1.80 schwarze 445: if (may_append &&
1.106 schwarze 446: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.140 schwarze 447: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.106 schwarze 448: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.148 schwarze 449: roff_word_append(mdoc, p);
1.106 schwarze 450: return;
1.80 schwarze 451: }
452:
1.148 schwarze 453: roff_word_alloc(mdoc, line, col, p);
1.66 schwarze 454:
1.71 schwarze 455: /*
1.100 schwarze 456: * If the word consists of a bare delimiter,
457: * flag the new node accordingly,
458: * unless doing so was vetoed by the invoking macro.
459: * Always clear the veto, it is only valid for one word.
1.71 schwarze 460: */
461:
1.100 schwarze 462: if (d == DELIM_OPEN)
1.166 schwarze 463: mdoc->last->flags |= NODE_DELIMO;
1.100 schwarze 464: else if (d == DELIM_CLOSE &&
465: ! (mdoc->flags & MDOC_NODELIMC) &&
1.88 schwarze 466: mdoc->last->parent->tok != MDOC_Fd)
1.166 schwarze 467: mdoc->last->flags |= NODE_DELIMC;
1.100 schwarze 468: mdoc->flags &= ~MDOC_NODELIMC;
1.66 schwarze 469: }
1.1 kristaps 470:
1.106 schwarze 471: static void
1.145 schwarze 472: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 473: {
1.109 schwarze 474: char *p;
1.42 schwarze 475: int la;
1.185 schwarze 476: enum margserr ac;
1.1 kristaps 477:
1.106 schwarze 478: if (buf[*pos] == '\0')
479: return;
1.1 kristaps 480:
481: for (;;) {
1.42 schwarze 482: la = *pos;
1.185 schwarze 483: ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p);
484: if (ac == ARGS_EOLN)
1.1 kristaps 485: break;
1.80 schwarze 486: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.43 schwarze 487:
1.42 schwarze 488: /*
489: * If we encounter end-of-sentence symbols, then trigger
490: * the double-space.
491: *
1.68 schwarze 492: * XXX: it's easy to allow this to propagate outward to
1.42 schwarze 493: * the last symbol, such that `. )' will cause the
494: * correct double-spacing. However, (1) groff isn't
495: * smart enough to do this and (2) it would require
496: * knowing which symbols break this behaviour, for
1.68 schwarze 497: * example, `. ;' shouldn't propagate the double-space.
1.42 schwarze 498: */
1.106 schwarze 499:
1.84 schwarze 500: if (mandoc_eos(p, strlen(p)))
1.166 schwarze 501: mdoc->last->flags |= NODE_EOS;
1.185 schwarze 502: if (ac == ARGS_ALLOC)
503: free(p);
1.1 kristaps 504: }
505: }
506:
507: /*
1.109 schwarze 508: * Parse one word.
509: * If it is a macro, call it and return 1.
510: * Otherwise, allocate it and return 0.
511: */
512: static int
1.185 schwarze 513: macro_or_word(MACRO_PROT_ARGS, char *p, int parsed)
1.109 schwarze 514: {
1.141 schwarze 515: int ntok;
1.109 schwarze 516:
1.185 schwarze 517: ntok = buf[ppos] == '"' || parsed == 0 ||
518: mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE :
519: lookup(mdoc, tok, line, ppos, p);
1.109 schwarze 520:
1.147 schwarze 521: if (ntok == TOKEN_NONE) {
522: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.182 schwarze 523: mdoc_macro(tok)->flags & MDOC_JOIN);
1.158 schwarze 524: return 0;
1.109 schwarze 525: } else {
1.176 schwarze 526: if (tok != TOKEN_NONE &&
1.182 schwarze 527: mdoc_macro(tok)->fp == in_line_eoln)
1.109 schwarze 528: rew_elem(mdoc, tok);
1.182 schwarze 529: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
1.147 schwarze 530: if (tok == TOKEN_NONE)
1.109 schwarze 531: append_delims(mdoc, line, pos, buf);
1.158 schwarze 532: return 1;
1.109 schwarze 533: }
534: }
535:
536: /*
1.88 schwarze 537: * Close out block partial/full explicit.
1.1 kristaps 538: */
1.107 schwarze 539: static void
1.1 kristaps 540: blk_exp_close(MACRO_PROT_ARGS)
541: {
1.141 schwarze 542: struct roff_node *body; /* Our own body. */
543: struct roff_node *endbody; /* Our own end marker. */
544: struct roff_node *itblk; /* An It block starting later. */
545: struct roff_node *later; /* A sub-block starting later. */
546: struct roff_node *n; /* Search back to our block. */
1.144 schwarze 547: struct roff_node *target; /* For find_pending(). */
1.47 schwarze 548:
1.144 schwarze 549: int j, lastarg, maxargs, nl, pending;
1.36 schwarze 550: enum margserr ac;
1.176 schwarze 551: enum roff_tok atok, ntok;
1.1 kristaps 552: char *p;
553:
1.76 schwarze 554: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 555:
1.1 kristaps 556: switch (tok) {
1.88 schwarze 557: case MDOC_Ec:
1.1 kristaps 558: maxargs = 1;
559: break;
1.88 schwarze 560: case MDOC_Ek:
1.82 schwarze 561: mdoc->flags &= ~MDOC_KEEP;
1.107 schwarze 562: /* FALLTHROUGH */
1.1 kristaps 563: default:
564: maxargs = 0;
565: break;
566: }
567:
1.165 schwarze 568: /* Search backwards for the beginning of our own body. */
569:
570: atok = rew_alt(tok);
571: body = NULL;
572: for (n = mdoc->last; n; n = n->parent) {
1.166 schwarze 573: if (n->flags & NODE_ENDED || n->tok != atok ||
1.165 schwarze 574: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
575: continue;
576: body = n;
577: break;
578: }
579:
1.47 schwarze 580: /*
581: * Search backwards for beginnings of blocks,
582: * both of our own and of pending sub-blocks.
583: */
1.107 schwarze 584:
1.165 schwarze 585: endbody = itblk = later = NULL;
1.76 schwarze 586: for (n = mdoc->last; n; n = n->parent) {
1.170 schwarze 587: if (n->flags & NODE_ENDED)
1.47 schwarze 588: continue;
589:
1.165 schwarze 590: /*
1.167 schwarze 591: * Mismatching end macros can never break anything
1.165 schwarze 592: * and we only care about the breaking of BLOCKs.
593: */
1.47 schwarze 594:
1.167 schwarze 595: if (body == NULL || n->type != ROFFT_BLOCK)
1.47 schwarze 596: continue;
1.116 schwarze 597:
1.167 schwarze 598: /*
599: * SYNOPSIS name blocks can not be broken themselves,
600: * but they do get broken together with a broken child.
601: */
602:
603: if (n->tok == MDOC_Nm) {
604: if (later != NULL)
605: n->flags |= NODE_BROKEN | NODE_ENDED;
606: continue;
607: }
608:
1.116 schwarze 609: if (n->tok == MDOC_It) {
1.127 schwarze 610: itblk = n;
1.116 schwarze 611: continue;
612: }
613:
1.47 schwarze 614: if (atok == n->tok) {
615:
616: /*
617: * Found the start of our own block.
618: * When there is no pending sub block,
619: * just proceed to closing out.
620: */
1.107 schwarze 621:
1.116 schwarze 622: if (later == NULL ||
1.127 schwarze 623: (tok == MDOC_El && itblk == NULL))
1.47 schwarze 624: break;
625:
1.88 schwarze 626: /*
1.123 schwarze 627: * When there is a pending sub block, postpone
628: * closing out the current block until the
629: * rew_pending() closing out the sub-block.
1.47 schwarze 630: * Mark the place where the formatting - but not
631: * the scope - of the current block ends.
632: */
1.107 schwarze 633:
1.184 schwarze 634: mandoc_msg(MANDOCERR_BLK_NEST,
1.139 schwarze 635: line, ppos, "%s breaks %s",
1.176 schwarze 636: roff_name[atok], roff_name[later->tok]);
1.139 schwarze 637:
1.122 schwarze 638: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.173 schwarze 639: atok, body);
1.107 schwarze 640:
1.139 schwarze 641: if (tok == MDOC_El)
1.166 schwarze 642: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.139 schwarze 643:
1.107 schwarze 644: /*
645: * If a block closing macro taking arguments
646: * breaks another block, put the arguments
1.122 schwarze 647: * into the end marker.
1.107 schwarze 648: */
649:
1.122 schwarze 650: if (maxargs)
1.145 schwarze 651: mdoc->next = ROFF_NEXT_CHILD;
1.47 schwarze 652: break;
1.138 schwarze 653: }
654:
1.171 schwarze 655: /*
656: * Explicit blocks close out description lines, but
657: * even those can get broken together with a child.
658: */
1.138 schwarze 659:
660: if (n->tok == MDOC_Nd) {
1.171 schwarze 661: if (later != NULL)
662: n->flags |= NODE_BROKEN | NODE_ENDED;
663: else
664: rew_last(mdoc, n);
1.138 schwarze 665: continue;
1.47 schwarze 666: }
667:
1.139 schwarze 668: /* Breaking an open sub block. */
1.107 schwarze 669:
1.170 schwarze 670: break_intermediate(mdoc->last, body);
1.166 schwarze 671: n->flags |= NODE_BROKEN;
1.139 schwarze 672: if (later == NULL)
1.47 schwarze 673: later = n;
674: }
1.122 schwarze 675:
676: if (body == NULL) {
1.184 schwarze 677: mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
678: "%s", roff_name[tok]);
1.122 schwarze 679: if (maxargs && endbody == NULL) {
680: /*
681: * Stray .Ec without previous .Eo:
682: * Break the output line, keep the arguments.
683: */
1.178 schwarze 684: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
685: rew_elem(mdoc, ROFF_br);
1.122 schwarze 686: }
687: } else if (endbody == NULL) {
688: rew_last(mdoc, body);
689: if (maxargs)
690: mdoc_tail_alloc(mdoc, line, ppos, atok);
691: }
1.47 schwarze 692:
1.182 schwarze 693: if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
1.106 schwarze 694: if (buf[*pos] != '\0')
1.184 schwarze 695: mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
696: "%s %s", roff_name[tok], buf + *pos);
1.127 schwarze 697: if (endbody == NULL && n != NULL)
1.123 schwarze 698: rew_pending(mdoc, n);
1.188 schwarze 699:
700: /*
701: * Restore the fill mode that was set before the display.
702: * This needs to be done here rather than during validation
703: * such that subsequent nodes get the right flags.
704: */
705:
706: if (tok == MDOC_Ed && body != NULL) {
707: if (body->flags & NODE_NOFILL)
708: mdoc->flags |= ROFF_NOFILL;
709: else
710: mdoc->flags &= ~ROFF_NOFILL;
711: }
1.107 schwarze 712: return;
1.1 kristaps 713: }
714:
1.122 schwarze 715: if (endbody != NULL)
716: n = endbody;
1.153 schwarze 717:
718: ntok = TOKEN_NONE;
1.104 schwarze 719: for (j = 0; ; j++) {
1.1 kristaps 720: lastarg = *pos;
721:
1.142 schwarze 722: if (j == maxargs && n != NULL)
723: rew_last(mdoc, n);
1.1 kristaps 724:
1.76 schwarze 725: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 726: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 727: break;
728:
1.181 schwarze 729: ntok = lookup(mdoc, tok, line, lastarg, p);
1.36 schwarze 730:
1.147 schwarze 731: if (ntok == TOKEN_NONE) {
1.106 schwarze 732: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.182 schwarze 733: mdoc_macro(tok)->flags & MDOC_JOIN);
1.185 schwarze 734: if (ac == ARGS_ALLOC)
735: free(p);
1.36 schwarze 736: continue;
737: }
1.185 schwarze 738: if (ac == ARGS_ALLOC)
739: free(p);
1.1 kristaps 740:
1.142 schwarze 741: if (n != NULL)
742: rew_last(mdoc, n);
1.79 schwarze 743: mdoc->flags &= ~MDOC_NEWLINE;
1.182 schwarze 744: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.36 schwarze 745: break;
1.1 kristaps 746: }
747:
1.144 schwarze 748: if (n != NULL) {
1.169 schwarze 749: pending = 0;
1.166 schwarze 750: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.144 schwarze 751: target = n;
752: do
753: target = target->parent;
1.166 schwarze 754: while ( ! (target->flags & NODE_ENDED));
1.172 schwarze 755: pending = find_pending(mdoc, ntok, line, ppos, target);
1.169 schwarze 756: }
1.144 schwarze 757: if ( ! pending)
758: rew_pending(mdoc, n);
759: }
1.106 schwarze 760: if (nl)
761: append_delims(mdoc, line, pos, buf);
1.1 kristaps 762: }
763:
1.107 schwarze 764: static void
1.1 kristaps 765: in_line(MACRO_PROT_ARGS)
766: {
1.100 schwarze 767: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.176 schwarze 768: enum roff_tok ntok;
1.36 schwarze 769: enum margserr ac;
1.40 schwarze 770: enum mdelim d;
1.36 schwarze 771: struct mdoc_arg *arg;
772: char *p;
1.1 kristaps 773:
1.76 schwarze 774: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 775:
1.1 kristaps 776: /*
777: * Whether we allow ignored elements (those without content,
778: * usually because of reserved words) to squeak by.
779: */
1.32 schwarze 780:
1.1 kristaps 781: switch (tok) {
1.88 schwarze 782: case MDOC_An:
783: case MDOC_Ar:
784: case MDOC_Fl:
785: case MDOC_Mt:
786: case MDOC_Nm:
787: case MDOC_Pa:
1.1 kristaps 788: nc = 1;
789: break;
790: default:
791: nc = 0;
792: break;
793: }
794:
1.108 schwarze 795: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 796:
1.100 schwarze 797: d = DELIM_NONE;
798: firstarg = 1;
1.98 schwarze 799: mayopen = 1;
1.45 schwarze 800: for (cnt = scope = 0;; ) {
1.1 kristaps 801: la = *pos;
1.76 schwarze 802: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 803:
1.100 schwarze 804: /*
805: * At the end of a macro line,
806: * opening delimiters do not suppress spacing.
807: */
808:
809: if (ac == ARGS_EOLN) {
810: if (d == DELIM_OPEN)
1.166 schwarze 811: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 812: break;
1.100 schwarze 813: }
814:
815: /*
816: * The rest of the macro line is only punctuation,
817: * to be handled by append_delims().
818: * If there were no other arguments,
819: * do not allow the first one to suppress spacing,
820: * even if it turns out to be a closing one.
821: */
822:
823: if (ac == ARGS_PUNCT) {
1.132 schwarze 824: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.100 schwarze 825: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 826: break;
1.100 schwarze 827: }
1.1 kristaps 828:
1.181 schwarze 829: ntok = (tok == MDOC_Fn && !cnt) ?
1.147 schwarze 830: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 831:
1.88 schwarze 832: /*
1.1 kristaps 833: * In this case, we've located a submacro and must
834: * execute it. Close out scope, if open. If no
835: * elements have been generated, either create one (nc)
836: * or raise a warning.
837: */
838:
1.147 schwarze 839: if (ntok != TOKEN_NONE) {
1.105 schwarze 840: if (scope)
841: rew_elem(mdoc, tok);
1.106 schwarze 842: if (nc && ! cnt) {
843: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.105 schwarze 844: rew_last(mdoc, mdoc->last);
1.106 schwarze 845: } else if ( ! nc && ! cnt) {
1.1 kristaps 846: mdoc_argv_free(arg);
1.92 schwarze 847: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1.184 schwarze 848: line, ppos, "%s", roff_name[tok]);
1.1 kristaps 849: }
1.182 schwarze 850: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
851: line, la, pos, buf);
1.106 schwarze 852: if (nl)
853: append_delims(mdoc, line, pos, buf);
1.185 schwarze 854: if (ac == ARGS_ALLOC)
855: free(p);
1.107 schwarze 856: return;
1.88 schwarze 857: }
1.1 kristaps 858:
1.88 schwarze 859: /*
1.181 schwarze 860: * Handle punctuation. Set up our scope, if a word;
861: * rewind the scope, if a delimiter; then append the word.
1.1 kristaps 862: */
863:
1.181 schwarze 864: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.45 schwarze 865: /*
866: * If we encounter closing punctuation, no word
1.100 schwarze 867: * has been emitted, no scope is open, and we're
1.45 schwarze 868: * allowed to have an empty element, then start
1.98 schwarze 869: * a new scope.
1.45 schwarze 870: */
1.98 schwarze 871: if ((d == DELIM_CLOSE ||
872: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.100 schwarze 873: !cnt && !scope && nc && mayopen) {
1.106 schwarze 874: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 875: scope = 1;
1.98 schwarze 876: cnt++;
1.106 schwarze 877: if (tok == MDOC_Nm)
1.98 schwarze 878: mayopen = 0;
1.45 schwarze 879: }
880: /*
881: * Close out our scope, if one is open, before
882: * any punctuation.
883: */
1.181 schwarze 884: if (scope && tok != MDOC_Lk) {
1.105 schwarze 885: rew_elem(mdoc, tok);
1.181 schwarze 886: scope = 0;
887: if (tok == MDOC_Fn)
888: mayopen = 0;
889: }
1.98 schwarze 890: } else if (mayopen && !scope) {
1.106 schwarze 891: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 892: scope = 1;
1.98 schwarze 893: cnt++;
1.1 kristaps 894: }
1.66 schwarze 895:
1.106 schwarze 896: dword(mdoc, line, la, p, d,
1.182 schwarze 897: mdoc_macro(tok)->flags & MDOC_JOIN);
1.27 schwarze 898:
1.185 schwarze 899: if (ac == ARGS_ALLOC)
900: free(p);
901:
1.27 schwarze 902: /*
1.100 schwarze 903: * If the first argument is a closing delimiter,
904: * do not suppress spacing before it.
905: */
906:
907: if (firstarg && d == DELIM_CLOSE && !nc)
1.166 schwarze 908: mdoc->last->flags &= ~NODE_DELIMC;
1.100 schwarze 909: firstarg = 0;
910:
911: /*
1.27 schwarze 912: * `Fl' macros have their scope re-opened with each new
913: * word so that the `-' can be added to each one without
914: * having to parse out spaces.
915: */
1.106 schwarze 916: if (scope && tok == MDOC_Fl) {
1.105 schwarze 917: rew_elem(mdoc, tok);
1.45 schwarze 918: scope = 0;
1.27 schwarze 919: }
1.1 kristaps 920: }
921:
1.175 schwarze 922: if (scope && tok != MDOC_Lk) {
1.105 schwarze 923: rew_elem(mdoc, tok);
1.175 schwarze 924: scope = 0;
925: }
1.1 kristaps 926:
927: /*
928: * If no elements have been collected and we're allowed to have
929: * empties (nc), open a scope and close it out. Otherwise,
930: * raise a warning.
931: */
1.32 schwarze 932:
1.106 schwarze 933: if ( ! cnt) {
934: if (nc) {
935: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
936: rew_last(mdoc, mdoc->last);
937: } else {
938: mdoc_argv_free(arg);
1.184 schwarze 939: mandoc_msg(MANDOCERR_MACRO_EMPTY,
940: line, ppos, "%s", roff_name[tok]);
1.106 schwarze 941: }
1.1 kristaps 942: }
1.106 schwarze 943: if (nl)
944: append_delims(mdoc, line, pos, buf);
1.175 schwarze 945: if (scope)
946: rew_elem(mdoc, tok);
1.1 kristaps 947: }
948:
1.107 schwarze 949: static void
1.1 kristaps 950: blk_full(MACRO_PROT_ARGS)
951: {
952: struct mdoc_arg *arg;
1.141 schwarze 953: struct roff_node *blk; /* Our own or a broken block. */
954: struct roff_node *head; /* Our own head. */
955: struct roff_node *body; /* Our own body. */
956: struct roff_node *n;
1.188 schwarze 957: char *p;
958: size_t iarg;
959: int done, la, nl, parsed;
1.37 schwarze 960: enum margserr ac, lac;
1.1 kristaps 961:
1.76 schwarze 962: nl = MDOC_NEWLINE & mdoc->flags;
1.95 schwarze 963:
1.133 schwarze 964: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
1.184 schwarze 965: mandoc_msg(MANDOCERR_MACRO_EMPTY,
966: line, ppos, "%s", roff_name[tok]);
1.133 schwarze 967: return;
968: }
969:
1.182 schwarze 970: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.127 schwarze 971:
972: /* Here, tok is one of Sh Ss Nm Nd It. */
973:
974: blk = NULL;
975: for (n = mdoc->last; n != NULL; n = n->parent) {
1.166 schwarze 976: if (n->flags & NODE_ENDED) {
977: if ( ! (n->flags & NODE_VALID))
978: n->flags |= NODE_BROKEN;
1.139 schwarze 979: continue;
980: }
1.140 schwarze 981: if (n->type != ROFFT_BLOCK)
1.127 schwarze 982: continue;
1.139 schwarze 983:
1.127 schwarze 984: if (tok == MDOC_It && n->tok == MDOC_Bl) {
985: if (blk != NULL) {
1.184 schwarze 986: mandoc_msg(MANDOCERR_BLK_BROKEN,
987: line, ppos, "It breaks %s",
1.176 schwarze 988: roff_name[blk->tok]);
1.127 schwarze 989: rew_pending(mdoc, blk);
990: }
991: break;
992: }
993:
1.182 schwarze 994: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.127 schwarze 995: switch (tok) {
996: case MDOC_Sh:
997: case MDOC_Ss:
1.184 schwarze 998: mandoc_msg(MANDOCERR_BLK_BROKEN,
999: line, ppos,
1.176 schwarze 1000: "%s breaks %s", roff_name[tok],
1001: roff_name[n->tok]);
1.127 schwarze 1002: rew_pending(mdoc, n);
1.136 schwarze 1003: n = mdoc->last;
1.127 schwarze 1004: continue;
1005: case MDOC_It:
1006: /* Delay in case it's astray. */
1007: blk = n;
1008: continue;
1009: default:
1010: break;
1011: }
1012: break;
1013: }
1014:
1015: /* Here, n is one of Sh Ss Nm Nd It. */
1.95 schwarze 1016:
1.127 schwarze 1017: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1018: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1019: (tok != MDOC_It && n->tok == MDOC_It)))))
1.95 schwarze 1020: break;
1.127 schwarze 1021:
1022: /* Item breaking an explicit block. */
1023:
1024: if (blk != NULL) {
1.184 schwarze 1025: mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
1.176 schwarze 1026: "It breaks %s", roff_name[blk->tok]);
1.127 schwarze 1027: rew_pending(mdoc, blk);
1.128 schwarze 1028: blk = NULL;
1.127 schwarze 1029: }
1030:
1031: /* Close out prior implicit scopes. */
1032:
1.167 schwarze 1033: rew_pending(mdoc, n);
1.127 schwarze 1034: }
1035:
1036: /* Skip items outside lists. */
1037:
1038: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.184 schwarze 1039: mandoc_msg(MANDOCERR_IT_STRAY,
1.95 schwarze 1040: line, ppos, "It %s", buf + *pos);
1.178 schwarze 1041: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1042: rew_elem(mdoc, ROFF_br);
1.107 schwarze 1043: return;
1.95 schwarze 1044: }
1.1 kristaps 1045: }
1046:
1.32 schwarze 1047: /*
1.68 schwarze 1048: * This routine accommodates implicitly- and explicitly-scoped
1.32 schwarze 1049: * macro openings. Implicit ones first close out prior scope
1050: * (seen above). Delay opening the head until necessary to
1051: * allow leading punctuation to print. Special consideration
1052: * for `It -column', which has phrase-part syntax instead of
1053: * regular child nodes.
1054: */
1055:
1.189 ! schwarze 1056: switch (tok) {
! 1057: case MDOC_Sh:
1.188 schwarze 1058: mdoc->flags &= ~ROFF_NOFILL;
1.189 ! schwarze 1059: break;
! 1060: case MDOC_Ss:
! 1061: mdoc->flags |= ROFF_NONOFILL;
! 1062: break;
! 1063: default:
! 1064: break;
! 1065: }
1.108 schwarze 1066: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.121 schwarze 1067: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.34 schwarze 1068: head = body = NULL;
1.1 kristaps 1069:
1.32 schwarze 1070: /*
1.73 schwarze 1071: * Exception: Heads of `It' macros in `-diag' lists are not
1072: * parsed, even though `It' macros in general are parsed.
1073: */
1.107 schwarze 1074:
1.109 schwarze 1075: parsed = tok != MDOC_It ||
1076: mdoc->last->parent->tok != MDOC_Bl ||
1077: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.73 schwarze 1078:
1079: /*
1.32 schwarze 1080: * The `Nd' macro has all arguments in its body: it's a hybrid
1081: * of block partial-explicit and full-implicit. Stupid.
1082: */
1.12 schwarze 1083:
1.106 schwarze 1084: if (tok == MDOC_Nd) {
1.146 schwarze 1085: head = roff_head_alloc(mdoc, line, ppos, tok);
1.118 schwarze 1086: rew_last(mdoc, head);
1.146 schwarze 1087: body = roff_body_alloc(mdoc, line, ppos, tok);
1.80 schwarze 1088: }
1089:
1.106 schwarze 1090: if (tok == MDOC_Bk)
1.80 schwarze 1091: mdoc->flags |= MDOC_KEEP;
1.12 schwarze 1092:
1.161 schwarze 1093: ac = ARGS_EOLN;
1.106 schwarze 1094: for (;;) {
1.161 schwarze 1095:
1096: /*
1097: * If we are right after a tab character,
1098: * do not parse the first word for macros.
1099: */
1100:
1101: if (mdoc->flags & MDOC_PHRASEQN) {
1102: mdoc->flags &= ~MDOC_PHRASEQN;
1103: mdoc->flags |= MDOC_PHRASEQF;
1104: }
1105:
1.32 schwarze 1106: la = *pos;
1.106 schwarze 1107: lac = ac;
1.76 schwarze 1108: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1109: if (ac == ARGS_EOLN) {
1.161 schwarze 1110: if (lac != ARGS_PHRASE ||
1111: ! (mdoc->flags & MDOC_PHRASEQF))
1.46 schwarze 1112: break;
1.161 schwarze 1113:
1.46 schwarze 1114: /*
1.161 schwarze 1115: * This line ends in a tab; start the next
1116: * column now, with a leading blank.
1.46 schwarze 1117: */
1.161 schwarze 1118:
1.123 schwarze 1119: if (body != NULL)
1120: rew_last(mdoc, body);
1.146 schwarze 1121: body = roff_body_alloc(mdoc, line, ppos, tok);
1.161 schwarze 1122: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1123: break;
1.41 schwarze 1124: }
1.161 schwarze 1125:
1.130 schwarze 1126: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1.184 schwarze 1127: mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
1128: "%s ... %s", roff_name[tok], buf + la);
1.185 schwarze 1129: if (ac == ARGS_ALLOC)
1130: free(p);
1.130 schwarze 1131: break;
1132: }
1.129 schwarze 1133: if (tok == MDOC_Rs) {
1.184 schwarze 1134: mandoc_msg(MANDOCERR_ARG_SKIP,
1.129 schwarze 1135: line, la, "Rs %s", buf + la);
1.185 schwarze 1136: if (ac == ARGS_ALLOC)
1137: free(p);
1.129 schwarze 1138: break;
1139: }
1140: if (ac == ARGS_PUNCT)
1141: break;
1.41 schwarze 1142:
1.88 schwarze 1143: /*
1.46 schwarze 1144: * Emit leading punctuation (i.e., punctuation before
1.140 schwarze 1145: * the ROFFT_HEAD) for non-phrase types.
1.46 schwarze 1146: */
1.32 schwarze 1147:
1.106 schwarze 1148: if (head == NULL &&
1149: ac != ARGS_PHRASE &&
1150: mdoc_isdelim(p) == DELIM_OPEN) {
1151: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1152: if (ac == ARGS_ALLOC)
1153: free(p);
1.32 schwarze 1154: continue;
1155: }
1156:
1.46 schwarze 1157: /* Open a head if one hasn't been opened. */
1.32 schwarze 1158:
1.106 schwarze 1159: if (head == NULL)
1.146 schwarze 1160: head = roff_head_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1161:
1.161 schwarze 1162: if (ac == ARGS_PHRASE) {
1.107 schwarze 1163:
1.46 schwarze 1164: /*
1165: * If we haven't opened a body yet, rewind the
1166: * head; if we have, rewind that instead.
1167: */
1168:
1.123 schwarze 1169: rew_last(mdoc, body == NULL ? head : body);
1.146 schwarze 1170: body = roff_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1171:
1.161 schwarze 1172: /* Process to the tab or to the end of the line. */
1.46 schwarze 1173:
1.161 schwarze 1174: mdoc->flags |= MDOC_PHRASE;
1.147 schwarze 1175: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.161 schwarze 1176: mdoc->flags &= ~MDOC_PHRASE;
1.160 schwarze 1177:
1178: /* There may have been `Ta' macros. */
1179:
1180: while (body->next != NULL)
1181: body = body->next;
1.1 kristaps 1182: continue;
1183: }
1184:
1.185 schwarze 1185: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
1186: if (ac == ARGS_ALLOC)
1187: free(p);
1188: if (done)
1.107 schwarze 1189: break;
1.32 schwarze 1190: }
1.1 kristaps 1191:
1.166 schwarze 1192: if (blk->flags & NODE_VALID)
1.121 schwarze 1193: return;
1.106 schwarze 1194: if (head == NULL)
1.146 schwarze 1195: head = roff_head_alloc(mdoc, line, ppos, tok);
1.130 schwarze 1196: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.106 schwarze 1197: append_delims(mdoc, line, pos, buf);
1.107 schwarze 1198: if (body != NULL)
1.46 schwarze 1199: goto out;
1.143 schwarze 1200: if (find_pending(mdoc, tok, line, ppos, head))
1.139 schwarze 1201: return;
1.54 schwarze 1202:
1.32 schwarze 1203: /* Close out scopes to remain in a consistent state. */
1.12 schwarze 1204:
1.123 schwarze 1205: rew_last(mdoc, head);
1.146 schwarze 1206: body = roff_body_alloc(mdoc, line, ppos, tok);
1.189 ! schwarze 1207: if (tok == MDOC_Ss)
! 1208: mdoc->flags &= ~ROFF_NONOFILL;
1.188 schwarze 1209:
1210: /*
1211: * Set up fill mode for display blocks.
1212: * This needs to be done here up front rather than during
1213: * validation such that child nodes get the right flags.
1214: */
1215:
1216: if (tok == MDOC_Bd && arg != NULL) {
1217: for (iarg = 0; iarg < arg->argc; iarg++) {
1218: switch (arg->argv[iarg].arg) {
1219: case MDOC_Unfilled:
1220: case MDOC_Literal:
1221: mdoc->flags |= ROFF_NOFILL;
1222: break;
1223: case MDOC_Filled:
1224: case MDOC_Ragged:
1225: case MDOC_Centred:
1226: mdoc->flags &= ~ROFF_NOFILL;
1227: break;
1228: default:
1229: continue;
1230: }
1231: break;
1232: }
1233: }
1.46 schwarze 1234: out:
1.106 schwarze 1235: if (mdoc->flags & MDOC_FREECOL) {
1.123 schwarze 1236: rew_last(mdoc, body);
1237: rew_last(mdoc, blk);
1.106 schwarze 1238: mdoc->flags &= ~MDOC_FREECOL;
1239: }
1.1 kristaps 1240: }
1241:
1.107 schwarze 1242: static void
1.1 kristaps 1243: blk_part_imp(MACRO_PROT_ARGS)
1244: {
1.185 schwarze 1245: int done, la, nl;
1.36 schwarze 1246: enum margserr ac;
1.1 kristaps 1247: char *p;
1.141 schwarze 1248: struct roff_node *blk; /* saved block context */
1249: struct roff_node *body; /* saved body context */
1250: struct roff_node *n;
1.1 kristaps 1251:
1.76 schwarze 1252: nl = MDOC_NEWLINE & mdoc->flags;
1.43 schwarze 1253:
1.32 schwarze 1254: /*
1255: * A macro that spans to the end of the line. This is generally
1256: * (but not necessarily) called as the first macro. The block
1257: * has a head as the immediate child, which is always empty,
1258: * followed by zero or more opening punctuation nodes, then the
1259: * body (which may be empty, depending on the macro), then zero
1260: * or more closing punctuation nodes.
1261: */
1.22 schwarze 1262:
1.106 schwarze 1263: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.146 schwarze 1264: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1265:
1.32 schwarze 1266: /*
1267: * Open the body scope "on-demand", that is, after we've
1268: * processed all our the leading delimiters (open parenthesis,
1269: * etc.).
1270: */
1.1 kristaps 1271:
1.32 schwarze 1272: for (body = NULL; ; ) {
1.22 schwarze 1273: la = *pos;
1.76 schwarze 1274: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1275: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1276: break;
1277:
1.181 schwarze 1278: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.106 schwarze 1279: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1280: if (ac == ARGS_ALLOC)
1281: free(p);
1.1 kristaps 1282: continue;
1.80 schwarze 1283: }
1.1 kristaps 1284:
1.106 schwarze 1285: if (body == NULL)
1.146 schwarze 1286: body = roff_body_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1287:
1.185 schwarze 1288: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1289: if (ac == ARGS_ALLOC)
1290: free(p);
1291: if (done)
1.107 schwarze 1292: break;
1.32 schwarze 1293: }
1.106 schwarze 1294: if (body == NULL)
1.146 schwarze 1295: body = roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1296:
1.143 schwarze 1297: if (find_pending(mdoc, tok, line, ppos, body))
1.139 schwarze 1298: return;
1299:
1.120 schwarze 1300: rew_last(mdoc, body);
1.106 schwarze 1301: if (nl)
1302: append_delims(mdoc, line, pos, buf);
1.122 schwarze 1303: rew_pending(mdoc, blk);
1.74 schwarze 1304:
1305: /* Move trailing .Ns out of scope. */
1306:
1307: for (n = body->child; n && n->next; n = n->next)
1308: /* Do nothing. */ ;
1.106 schwarze 1309: if (n && n->tok == MDOC_Ns)
1.183 schwarze 1310: roff_node_relink(mdoc, n);
1.1 kristaps 1311: }
1312:
1.107 schwarze 1313: static void
1.1 kristaps 1314: blk_part_exp(MACRO_PROT_ARGS)
1315: {
1.185 schwarze 1316: int done, la, nl;
1.36 schwarze 1317: enum margserr ac;
1.141 schwarze 1318: struct roff_node *head; /* keep track of head */
1.1 kristaps 1319: char *p;
1320:
1.76 schwarze 1321: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 1322:
1.32 schwarze 1323: /*
1324: * The opening of an explicit macro having zero or more leading
1325: * punctuation nodes; a head with optional single element (the
1326: * case of `Eo'); and a body that may be empty.
1327: */
1.22 schwarze 1328:
1.149 schwarze 1329: roff_block_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1330: head = NULL;
1331: for (;;) {
1.22 schwarze 1332: la = *pos;
1.76 schwarze 1333: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1334: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1335: break;
1336:
1.32 schwarze 1337: /* Flush out leading punctuation. */
1338:
1.181 schwarze 1339: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.106 schwarze 1340: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1341: if (ac == ARGS_ALLOC)
1342: free(p);
1.32 schwarze 1343: continue;
1.80 schwarze 1344: }
1.32 schwarze 1345:
1.106 schwarze 1346: if (head == NULL) {
1.146 schwarze 1347: head = roff_head_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1348: if (tok == MDOC_Eo) /* Not parsed. */
1.106 schwarze 1349: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.119 schwarze 1350: rew_last(mdoc, head);
1.146 schwarze 1351: roff_body_alloc(mdoc, line, ppos, tok);
1.185 schwarze 1352: if (tok == MDOC_Eo) {
1353: if (ac == ARGS_ALLOC)
1354: free(p);
1.32 schwarze 1355: continue;
1.185 schwarze 1356: }
1.32 schwarze 1357: }
1358:
1.185 schwarze 1359: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1360: if (ac == ARGS_ALLOC)
1361: free(p);
1362: if (done)
1.107 schwarze 1363: break;
1.1 kristaps 1364: }
1365:
1.32 schwarze 1366: /* Clean-up to leave in a consistent state. */
1367:
1.119 schwarze 1368: if (head == NULL) {
1.146 schwarze 1369: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1370: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1371: }
1.106 schwarze 1372: if (nl)
1373: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1374: }
1375:
1.107 schwarze 1376: static void
1.1 kristaps 1377: in_line_argn(MACRO_PROT_ARGS)
1378: {
1.36 schwarze 1379: struct mdoc_arg *arg;
1380: char *p;
1.137 schwarze 1381: enum margserr ac;
1.176 schwarze 1382: enum roff_tok ntok;
1.137 schwarze 1383: int state; /* arg#; -1: not yet open; -2: closed */
1384: int la, maxargs, nl;
1.1 kristaps 1385:
1.112 schwarze 1386: nl = mdoc->flags & MDOC_NEWLINE;
1.37 schwarze 1387:
1.32 schwarze 1388: /*
1389: * A line macro that has a fixed number of arguments (maxargs).
1390: * Only open the scope once the first non-leading-punctuation is
1391: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1392: * keep it open until the maximum number of arguments are
1393: * exhausted.
1394: */
1.1 kristaps 1395:
1396: switch (tok) {
1.88 schwarze 1397: case MDOC_Ap:
1398: case MDOC_Ns:
1399: case MDOC_Ux:
1.1 kristaps 1400: maxargs = 0;
1401: break;
1.88 schwarze 1402: case MDOC_Bx:
1.89 schwarze 1403: case MDOC_Es:
1.88 schwarze 1404: case MDOC_Xr:
1.28 schwarze 1405: maxargs = 2;
1406: break;
1.1 kristaps 1407: default:
1408: maxargs = 1;
1409: break;
1410: }
1411:
1.108 schwarze 1412: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1413:
1.137 schwarze 1414: state = -1;
1.112 schwarze 1415: p = NULL;
1416: for (;;) {
1.22 schwarze 1417: la = *pos;
1.76 schwarze 1418: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.137 schwarze 1419:
1.185 schwarze 1420: if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
1.182 schwarze 1421: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.137 schwarze 1422: mdoc_isdelim(p) == DELIM_OPEN) {
1423: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1424: if (ac == ARGS_ALLOC)
1425: free(p);
1.137 schwarze 1426: continue;
1427: }
1428:
1429: if (state == -1 && tok != MDOC_In &&
1430: tok != MDOC_St && tok != MDOC_Xr) {
1431: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1432: state = 0;
1433: }
1434:
1.112 schwarze 1435: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.137 schwarze 1436: if (abs(state) < 2 && tok == MDOC_Pf)
1.184 schwarze 1437: mandoc_msg(MANDOCERR_PF_SKIP,
1438: line, ppos, "Pf %s",
1.112 schwarze 1439: p == NULL ? "at eol" : p);
1.1 kristaps 1440: break;
1.112 schwarze 1441: }
1.1 kristaps 1442:
1.137 schwarze 1443: if (state == maxargs) {
1.105 schwarze 1444: rew_elem(mdoc, tok);
1.137 schwarze 1445: state = -2;
1.32 schwarze 1446: }
1447:
1.181 schwarze 1448: ntok = (tok == MDOC_Pf && state == 0) ?
1.147 schwarze 1449: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.36 schwarze 1450:
1.147 schwarze 1451: if (ntok != TOKEN_NONE) {
1.137 schwarze 1452: if (state >= 0) {
1.105 schwarze 1453: rew_elem(mdoc, tok);
1.137 schwarze 1454: state = -2;
1455: }
1.182 schwarze 1456: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
1457: line, la, pos, buf);
1.185 schwarze 1458: if (ac == ARGS_ALLOC)
1459: free(p);
1.1 kristaps 1460: break;
1461: }
1462:
1.182 schwarze 1463: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.137 schwarze 1464: mdoc_isdelim(p) == DELIM_NONE) {
1465: if (state == -1) {
1466: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1467: state = 1;
1468: } else if (state >= 0)
1469: state++;
1470: } else if (state >= 0) {
1.105 schwarze 1471: rew_elem(mdoc, tok);
1.137 schwarze 1472: state = -2;
1.28 schwarze 1473: }
1474:
1.106 schwarze 1475: dword(mdoc, line, la, p, DELIM_MAX,
1.182 schwarze 1476: mdoc_macro(tok)->flags & MDOC_JOIN);
1.185 schwarze 1477: if (ac == ARGS_ALLOC)
1478: free(p);
1479: p = mdoc->last->string;
1.1 kristaps 1480: }
1481:
1.137 schwarze 1482: if (state == -1) {
1.184 schwarze 1483: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1484: line, ppos, "%s", roff_name[tok]);
1.137 schwarze 1485: return;
1.112 schwarze 1486: }
1.137 schwarze 1487:
1488: if (state == 0 && tok == MDOC_Pf)
1489: append_delims(mdoc, line, pos, buf);
1490: if (state >= 0)
1.105 schwarze 1491: rew_elem(mdoc, tok);
1.106 schwarze 1492: if (nl)
1493: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1494: }
1495:
1.107 schwarze 1496: static void
1.1 kristaps 1497: in_line_eoln(MACRO_PROT_ARGS)
1498: {
1.141 schwarze 1499: struct roff_node *n;
1.126 schwarze 1500: struct mdoc_arg *arg;
1.1 kristaps 1501:
1.126 schwarze 1502: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1503: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1504: n = mdoc->last;
1.145 schwarze 1505: if (mdoc->next == ROFF_NEXT_SIBLING)
1.126 schwarze 1506: n = n->parent;
1507: if (n->tok == MDOC_Nm)
1.154 schwarze 1508: rew_last(mdoc, n->parent);
1.134 schwarze 1509: }
1510:
1.135 schwarze 1511: if (buf[*pos] == '\0' &&
1.176 schwarze 1512: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.184 schwarze 1513: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1514: line, ppos, "%s", roff_name[tok]);
1.134 schwarze 1515: return;
1.126 schwarze 1516: }
1.53 schwarze 1517:
1.108 schwarze 1518: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.106 schwarze 1519: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.110 schwarze 1520: if (parse_rest(mdoc, tok, line, pos, buf))
1521: return;
1522: rew_elem(mdoc, tok);
1523: }
1524:
1525: /*
1526: * The simplest argument parser available: Parse the remaining
1527: * words until the end of the phrase or line and return 0
1528: * or until the next macro, call that macro, and return 1.
1529: */
1530: static int
1.176 schwarze 1531: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1532: int line, int *pos, char *buf)
1.110 schwarze 1533: {
1.185 schwarze 1534: char *p;
1535: int done, la;
1536: enum margserr ac;
1.1 kristaps 1537:
1538: for (;;) {
1539: la = *pos;
1.185 schwarze 1540: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1541: if (ac == ARGS_EOLN)
1.158 schwarze 1542: return 0;
1.185 schwarze 1543: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1544: if (ac == ARGS_ALLOC)
1545: free(p);
1546: if (done)
1.158 schwarze 1547: return 1;
1.1 kristaps 1548: }
1.28 schwarze 1549: }
1550:
1.107 schwarze 1551: static void
1.28 schwarze 1552: ctx_synopsis(MACRO_PROT_ARGS)
1553: {
1.37 schwarze 1554:
1.107 schwarze 1555: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1556: in_line(mdoc, tok, line, ppos, pos, buf);
1557: else if (tok == MDOC_Nm)
1558: blk_full(mdoc, tok, line, ppos, pos, buf);
1559: else {
1560: assert(tok == MDOC_Vt);
1561: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1562: }
1.1 kristaps 1563: }
1564:
1.17 schwarze 1565: /*
1566: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1567: * They're unusual because they're basically free-form text until a
1568: * macro is encountered.
1569: */
1.107 schwarze 1570: static void
1.46 schwarze 1571: phrase_ta(MACRO_PROT_ARGS)
1572: {
1.141 schwarze 1573: struct roff_node *body, *n;
1.46 schwarze 1574:
1.78 schwarze 1575: /* Make sure we are in a column list or ignore this macro. */
1.107 schwarze 1576:
1.123 schwarze 1577: body = NULL;
1578: for (n = mdoc->last; n != NULL; n = n->parent) {
1.166 schwarze 1579: if (n->flags & NODE_ENDED)
1.123 schwarze 1580: continue;
1.140 schwarze 1581: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.123 schwarze 1582: body = n;
1.164 schwarze 1583: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.123 schwarze 1584: break;
1585: }
1586:
1.107 schwarze 1587: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.184 schwarze 1588: mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
1.107 schwarze 1589: return;
1.78 schwarze 1590: }
1.46 schwarze 1591:
1.78 schwarze 1592: /* Advance to the next column. */
1.106 schwarze 1593:
1.123 schwarze 1594: rew_last(mdoc, body);
1.146 schwarze 1595: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.147 schwarze 1596: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.46 schwarze 1597: }
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