Annotation of src/usr.bin/mandoc/mdoc_macro.c, Revision 1.186
1.186 ! schwarze 1: /* $OpenBSD: mdoc_macro.c,v 1.185 2018/12/21 16:58:49 schwarze Exp $ */
1.1 kristaps 2: /*
1.74 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.182 schwarze 4: * Copyright (c) 2010, 2012-2018 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.140 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.140 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
1.100 schwarze 18: #include <sys/types.h>
19:
1.1 kristaps 20: #include <assert.h>
21: #include <ctype.h>
22: #include <stdlib.h>
23: #include <stdio.h>
24: #include <string.h>
1.26 schwarze 25: #include <time.h>
1.1 kristaps 26:
1.140 schwarze 27: #include "mandoc.h"
28: #include "roff.h"
1.66 schwarze 29: #include "mdoc.h"
1.140 schwarze 30: #include "libmandoc.h"
1.146 schwarze 31: #include "roff_int.h"
1.1 kristaps 32: #include "libmdoc.h"
33:
1.107 schwarze 34: static void blk_full(MACRO_PROT_ARGS);
35: static void blk_exp_close(MACRO_PROT_ARGS);
36: static void blk_part_exp(MACRO_PROT_ARGS);
37: static void blk_part_imp(MACRO_PROT_ARGS);
38: static void ctx_synopsis(MACRO_PROT_ARGS);
39: static void in_line_eoln(MACRO_PROT_ARGS);
40: static void in_line_argn(MACRO_PROT_ARGS);
41: static void in_line(MACRO_PROT_ARGS);
42: static void phrase_ta(MACRO_PROT_ARGS);
1.36 schwarze 43:
1.145 schwarze 44: static void append_delims(struct roff_man *, int, int *, char *);
45: static void dword(struct roff_man *, int, int, const char *,
1.143 schwarze 46: enum mdelim, int);
1.176 schwarze 47: static int find_pending(struct roff_man *, enum roff_tok,
48: int, int, struct roff_node *);
1.145 schwarze 49: static int lookup(struct roff_man *, int, int, int, const char *);
1.185 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);
1.162 schwarze 235: mdoc_state_reset(mdoc);
1.1 kristaps 236: }
237:
1.22 schwarze 238: /*
1.109 schwarze 239: * Look up the macro at *p called by "from",
1.147 schwarze 240: * or as a line macro if from == TOKEN_NONE.
1.22 schwarze 241: */
1.141 schwarze 242: static int
1.145 schwarze 243: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.21 schwarze 244: {
1.176 schwarze 245: enum roff_tok res;
1.1 kristaps 246:
1.161 schwarze 247: if (mdoc->flags & MDOC_PHRASEQF) {
248: mdoc->flags &= ~MDOC_PHRASEQF;
249: return TOKEN_NONE;
250: }
1.182 schwarze 251: if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) {
1.177 schwarze 252: res = roffhash_find(mdoc->mdocmac, p, 0);
1.147 schwarze 253: if (res != TOKEN_NONE) {
1.182 schwarze 254: if (mdoc_macro(res)->flags & MDOC_CALLABLE)
1.158 schwarze 255: return res;
1.184 schwarze 256: mandoc_msg(MANDOCERR_MACRO_CALL, line, ppos, "%s", p);
1.111 schwarze 257: }
1.109 schwarze 258: }
1.158 schwarze 259: return TOKEN_NONE;
1.1 kristaps 260: }
261:
1.122 schwarze 262: /*
263: * Rewind up to and including a specific node.
264: */
1.105 schwarze 265: static void
1.145 schwarze 266: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 267: {
268:
1.166 schwarze 269: if (to->flags & NODE_VALID)
1.142 schwarze 270: return;
271:
1.1 kristaps 272: while (mdoc->last != to) {
1.162 schwarze 273: mdoc_state(mdoc, mdoc->last);
1.166 schwarze 274: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.162 schwarze 275: mdoc->last = mdoc->last->parent;
1.1 kristaps 276: }
1.162 schwarze 277: mdoc_state(mdoc, mdoc->last);
1.166 schwarze 278: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.156 schwarze 279: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 280: }
281:
1.22 schwarze 282: /*
1.122 schwarze 283: * Rewind up to a specific block, including all blocks that broke it.
284: */
285: static void
1.145 schwarze 286: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.122 schwarze 287: {
288:
1.139 schwarze 289: for (;;) {
290: rew_last(mdoc, n);
291:
1.150 schwarze 292: if (mdoc->last == n) {
293: switch (n->type) {
294: case ROFFT_HEAD:
295: roff_body_alloc(mdoc, n->line, n->pos,
296: n->tok);
1.163 schwarze 297: break;
1.150 schwarze 298: case ROFFT_BLOCK:
299: break;
300: default:
301: return;
302: }
1.166 schwarze 303: if ( ! (n->flags & NODE_BROKEN))
1.150 schwarze 304: return;
305: } else
306: n = mdoc->last;
1.122 schwarze 307:
1.139 schwarze 308: for (;;) {
309: if ((n = n->parent) == NULL)
310: return;
311:
1.140 schwarze 312: if (n->type == ROFFT_BLOCK ||
313: n->type == ROFFT_HEAD) {
1.166 schwarze 314: if (n->flags & NODE_ENDED)
1.139 schwarze 315: break;
316: else
317: return;
318: }
319: }
1.122 schwarze 320: }
321: }
322:
323: /*
1.48 schwarze 324: * For a block closing macro, return the corresponding opening one.
325: * Otherwise, return the macro itself.
1.22 schwarze 326: */
1.176 schwarze 327: static enum roff_tok
328: rew_alt(enum roff_tok tok)
1.1 kristaps 329: {
330: switch (tok) {
1.88 schwarze 331: case MDOC_Ac:
1.158 schwarze 332: return MDOC_Ao;
1.88 schwarze 333: case MDOC_Bc:
1.158 schwarze 334: return MDOC_Bo;
1.88 schwarze 335: case MDOC_Brc:
1.158 schwarze 336: return MDOC_Bro;
1.88 schwarze 337: case MDOC_Dc:
1.158 schwarze 338: return MDOC_Do;
1.88 schwarze 339: case MDOC_Ec:
1.158 schwarze 340: return MDOC_Eo;
1.88 schwarze 341: case MDOC_Ed:
1.158 schwarze 342: return MDOC_Bd;
1.88 schwarze 343: case MDOC_Ef:
1.158 schwarze 344: return MDOC_Bf;
1.88 schwarze 345: case MDOC_Ek:
1.158 schwarze 346: return MDOC_Bk;
1.88 schwarze 347: case MDOC_El:
1.158 schwarze 348: return MDOC_Bl;
1.88 schwarze 349: case MDOC_Fc:
1.158 schwarze 350: return MDOC_Fo;
1.88 schwarze 351: case MDOC_Oc:
1.158 schwarze 352: return MDOC_Oo;
1.88 schwarze 353: case MDOC_Pc:
1.158 schwarze 354: return MDOC_Po;
1.88 schwarze 355: case MDOC_Qc:
1.158 schwarze 356: return MDOC_Qo;
1.88 schwarze 357: case MDOC_Re:
1.158 schwarze 358: return MDOC_Rs;
1.88 schwarze 359: case MDOC_Sc:
1.158 schwarze 360: return MDOC_So;
1.88 schwarze 361: case MDOC_Xc:
1.158 schwarze 362: return MDOC_Xo;
1.1 kristaps 363: default:
1.158 schwarze 364: return tok;
1.1 kristaps 365: }
366: }
367:
1.105 schwarze 368: static void
1.176 schwarze 369: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 370: {
1.141 schwarze 371: struct roff_node *n;
1.1 kristaps 372:
373: n = mdoc->last;
1.140 schwarze 374: if (n->type != ROFFT_ELEM)
1.1 kristaps 375: n = n->parent;
1.140 schwarze 376: assert(n->type == ROFFT_ELEM);
1.1 kristaps 377: assert(tok == n->tok);
1.105 schwarze 378: rew_last(mdoc, n);
1.1 kristaps 379: }
380:
1.170 schwarze 381: static void
382: break_intermediate(struct roff_node *n, struct roff_node *breaker)
383: {
1.174 schwarze 384: if (n != breaker &&
385: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
386: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
387: n = n->parent;
1.170 schwarze 388: while (n != breaker) {
389: if ( ! (n->flags & NODE_VALID))
390: n->flags |= NODE_BROKEN;
391: n = n->parent;
392: }
393: }
394:
1.47 schwarze 395: /*
1.143 schwarze 396: * If there is an open sub-block of the target requiring
397: * explicit close-out, postpone closing out the target until
398: * the rew_pending() call closing out the sub-block.
399: */
400: static int
1.176 schwarze 401: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.143 schwarze 402: struct roff_node *target)
403: {
404: struct roff_node *n;
405: int irc;
406:
1.172 schwarze 407: if (target->flags & NODE_VALID)
408: return 0;
409:
1.143 schwarze 410: irc = 0;
411: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.170 schwarze 412: if (n->flags & NODE_ENDED)
1.143 schwarze 413: continue;
414: if (n->type == ROFFT_BLOCK &&
1.182 schwarze 415: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.143 schwarze 416: irc = 1;
1.174 schwarze 417: break_intermediate(mdoc->last, target);
1.143 schwarze 418: if (target->type == ROFFT_HEAD)
1.169 schwarze 419: target->flags |= NODE_ENDED;
1.166 schwarze 420: else if ( ! (target->flags & NODE_ENDED)) {
1.184 schwarze 421: mandoc_msg(MANDOCERR_BLK_NEST,
422: line, ppos, "%s breaks %s",
423: roff_name[tok], roff_name[n->tok]);
1.143 schwarze 424: mdoc_endbody_alloc(mdoc, line, ppos,
1.173 schwarze 425: tok, target);
1.143 schwarze 426: }
427: }
428: }
1.158 schwarze 429: return irc;
1.143 schwarze 430: }
431:
432: /*
1.66 schwarze 433: * Allocate a word and check whether it's punctuation or not.
434: * Punctuation consists of those tokens found in mdoc_isdelim().
435: */
1.106 schwarze 436: static void
1.145 schwarze 437: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.80 schwarze 438: enum mdelim d, int may_append)
1.66 schwarze 439: {
1.88 schwarze 440:
1.106 schwarze 441: if (d == DELIM_MAX)
1.66 schwarze 442: d = mdoc_isdelim(p);
443:
1.80 schwarze 444: if (may_append &&
1.106 schwarze 445: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.140 schwarze 446: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.106 schwarze 447: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.148 schwarze 448: roff_word_append(mdoc, p);
1.106 schwarze 449: return;
1.80 schwarze 450: }
451:
1.148 schwarze 452: roff_word_alloc(mdoc, line, col, p);
1.66 schwarze 453:
1.71 schwarze 454: /*
1.100 schwarze 455: * If the word consists of a bare delimiter,
456: * flag the new node accordingly,
457: * unless doing so was vetoed by the invoking macro.
458: * Always clear the veto, it is only valid for one word.
1.71 schwarze 459: */
460:
1.100 schwarze 461: if (d == DELIM_OPEN)
1.166 schwarze 462: mdoc->last->flags |= NODE_DELIMO;
1.100 schwarze 463: else if (d == DELIM_CLOSE &&
464: ! (mdoc->flags & MDOC_NODELIMC) &&
1.88 schwarze 465: mdoc->last->parent->tok != MDOC_Fd)
1.166 schwarze 466: mdoc->last->flags |= NODE_DELIMC;
1.100 schwarze 467: mdoc->flags &= ~MDOC_NODELIMC;
1.66 schwarze 468: }
1.1 kristaps 469:
1.106 schwarze 470: static void
1.145 schwarze 471: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 472: {
1.109 schwarze 473: char *p;
1.42 schwarze 474: int la;
1.185 schwarze 475: enum margserr ac;
1.1 kristaps 476:
1.106 schwarze 477: if (buf[*pos] == '\0')
478: return;
1.1 kristaps 479:
480: for (;;) {
1.42 schwarze 481: la = *pos;
1.185 schwarze 482: ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p);
483: if (ac == ARGS_EOLN)
1.1 kristaps 484: break;
1.80 schwarze 485: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.43 schwarze 486:
1.42 schwarze 487: /*
488: * If we encounter end-of-sentence symbols, then trigger
489: * the double-space.
490: *
1.68 schwarze 491: * XXX: it's easy to allow this to propagate outward to
1.42 schwarze 492: * the last symbol, such that `. )' will cause the
493: * correct double-spacing. However, (1) groff isn't
494: * smart enough to do this and (2) it would require
495: * knowing which symbols break this behaviour, for
1.68 schwarze 496: * example, `. ;' shouldn't propagate the double-space.
1.42 schwarze 497: */
1.106 schwarze 498:
1.84 schwarze 499: if (mandoc_eos(p, strlen(p)))
1.166 schwarze 500: mdoc->last->flags |= NODE_EOS;
1.185 schwarze 501: if (ac == ARGS_ALLOC)
502: free(p);
1.1 kristaps 503: }
504: }
505:
506: /*
1.109 schwarze 507: * Parse one word.
508: * If it is a macro, call it and return 1.
509: * Otherwise, allocate it and return 0.
510: */
511: static int
1.185 schwarze 512: macro_or_word(MACRO_PROT_ARGS, char *p, int parsed)
1.109 schwarze 513: {
1.141 schwarze 514: int ntok;
1.109 schwarze 515:
1.185 schwarze 516: ntok = buf[ppos] == '"' || parsed == 0 ||
517: mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE :
518: lookup(mdoc, tok, line, ppos, p);
1.109 schwarze 519:
1.147 schwarze 520: if (ntok == TOKEN_NONE) {
521: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.182 schwarze 522: mdoc_macro(tok)->flags & MDOC_JOIN);
1.158 schwarze 523: return 0;
1.109 schwarze 524: } else {
1.176 schwarze 525: if (tok != TOKEN_NONE &&
1.182 schwarze 526: mdoc_macro(tok)->fp == in_line_eoln)
1.109 schwarze 527: rew_elem(mdoc, tok);
1.182 schwarze 528: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
1.147 schwarze 529: if (tok == TOKEN_NONE)
1.109 schwarze 530: append_delims(mdoc, line, pos, buf);
1.158 schwarze 531: return 1;
1.109 schwarze 532: }
533: }
534:
535: /*
1.88 schwarze 536: * Close out block partial/full explicit.
1.1 kristaps 537: */
1.107 schwarze 538: static void
1.1 kristaps 539: blk_exp_close(MACRO_PROT_ARGS)
540: {
1.141 schwarze 541: struct roff_node *body; /* Our own body. */
542: struct roff_node *endbody; /* Our own end marker. */
543: struct roff_node *itblk; /* An It block starting later. */
544: struct roff_node *later; /* A sub-block starting later. */
545: struct roff_node *n; /* Search back to our block. */
1.144 schwarze 546: struct roff_node *target; /* For find_pending(). */
1.47 schwarze 547:
1.144 schwarze 548: int j, lastarg, maxargs, nl, pending;
1.36 schwarze 549: enum margserr ac;
1.176 schwarze 550: enum roff_tok atok, ntok;
1.1 kristaps 551: char *p;
552:
1.76 schwarze 553: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 554:
1.1 kristaps 555: switch (tok) {
1.88 schwarze 556: case MDOC_Ec:
1.1 kristaps 557: maxargs = 1;
558: break;
1.88 schwarze 559: case MDOC_Ek:
1.82 schwarze 560: mdoc->flags &= ~MDOC_KEEP;
1.107 schwarze 561: /* FALLTHROUGH */
1.1 kristaps 562: default:
563: maxargs = 0;
564: break;
565: }
566:
1.165 schwarze 567: /* Search backwards for the beginning of our own body. */
568:
569: atok = rew_alt(tok);
570: body = NULL;
571: for (n = mdoc->last; n; n = n->parent) {
1.166 schwarze 572: if (n->flags & NODE_ENDED || n->tok != atok ||
1.165 schwarze 573: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
574: continue;
575: body = n;
576: break;
577: }
578:
1.47 schwarze 579: /*
580: * Search backwards for beginnings of blocks,
581: * both of our own and of pending sub-blocks.
582: */
1.107 schwarze 583:
1.165 schwarze 584: endbody = itblk = later = NULL;
1.76 schwarze 585: for (n = mdoc->last; n; n = n->parent) {
1.170 schwarze 586: if (n->flags & NODE_ENDED)
1.47 schwarze 587: continue;
588:
1.165 schwarze 589: /*
1.167 schwarze 590: * Mismatching end macros can never break anything
1.165 schwarze 591: * and we only care about the breaking of BLOCKs.
592: */
1.47 schwarze 593:
1.167 schwarze 594: if (body == NULL || n->type != ROFFT_BLOCK)
1.47 schwarze 595: continue;
1.116 schwarze 596:
1.167 schwarze 597: /*
598: * SYNOPSIS name blocks can not be broken themselves,
599: * but they do get broken together with a broken child.
600: */
601:
602: if (n->tok == MDOC_Nm) {
603: if (later != NULL)
604: n->flags |= NODE_BROKEN | NODE_ENDED;
605: continue;
606: }
607:
1.116 schwarze 608: if (n->tok == MDOC_It) {
1.127 schwarze 609: itblk = n;
1.116 schwarze 610: continue;
611: }
612:
1.47 schwarze 613: if (atok == n->tok) {
614:
615: /*
616: * Found the start of our own block.
617: * When there is no pending sub block,
618: * just proceed to closing out.
619: */
1.107 schwarze 620:
1.116 schwarze 621: if (later == NULL ||
1.127 schwarze 622: (tok == MDOC_El && itblk == NULL))
1.47 schwarze 623: break;
624:
1.88 schwarze 625: /*
1.123 schwarze 626: * When there is a pending sub block, postpone
627: * closing out the current block until the
628: * rew_pending() closing out the sub-block.
1.47 schwarze 629: * Mark the place where the formatting - but not
630: * the scope - of the current block ends.
631: */
1.107 schwarze 632:
1.184 schwarze 633: mandoc_msg(MANDOCERR_BLK_NEST,
1.139 schwarze 634: line, ppos, "%s breaks %s",
1.176 schwarze 635: roff_name[atok], roff_name[later->tok]);
1.139 schwarze 636:
1.122 schwarze 637: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.173 schwarze 638: atok, body);
1.107 schwarze 639:
1.139 schwarze 640: if (tok == MDOC_El)
1.166 schwarze 641: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.139 schwarze 642:
1.107 schwarze 643: /*
644: * If a block closing macro taking arguments
645: * breaks another block, put the arguments
1.122 schwarze 646: * into the end marker.
1.107 schwarze 647: */
648:
1.122 schwarze 649: if (maxargs)
1.145 schwarze 650: mdoc->next = ROFF_NEXT_CHILD;
1.47 schwarze 651: break;
1.138 schwarze 652: }
653:
1.171 schwarze 654: /*
655: * Explicit blocks close out description lines, but
656: * even those can get broken together with a child.
657: */
1.138 schwarze 658:
659: if (n->tok == MDOC_Nd) {
1.171 schwarze 660: if (later != NULL)
661: n->flags |= NODE_BROKEN | NODE_ENDED;
662: else
663: rew_last(mdoc, n);
1.138 schwarze 664: continue;
1.47 schwarze 665: }
666:
1.139 schwarze 667: /* Breaking an open sub block. */
1.107 schwarze 668:
1.170 schwarze 669: break_intermediate(mdoc->last, body);
1.166 schwarze 670: n->flags |= NODE_BROKEN;
1.139 schwarze 671: if (later == NULL)
1.47 schwarze 672: later = n;
673: }
1.122 schwarze 674:
675: if (body == NULL) {
1.184 schwarze 676: mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
677: "%s", roff_name[tok]);
1.122 schwarze 678: if (maxargs && endbody == NULL) {
679: /*
680: * Stray .Ec without previous .Eo:
681: * Break the output line, keep the arguments.
682: */
1.178 schwarze 683: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
684: rew_elem(mdoc, ROFF_br);
1.122 schwarze 685: }
686: } else if (endbody == NULL) {
687: rew_last(mdoc, body);
688: if (maxargs)
689: mdoc_tail_alloc(mdoc, line, ppos, atok);
690: }
1.47 schwarze 691:
1.182 schwarze 692: if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
1.106 schwarze 693: if (buf[*pos] != '\0')
1.184 schwarze 694: mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
695: "%s %s", roff_name[tok], buf + *pos);
1.127 schwarze 696: if (endbody == NULL && n != NULL)
1.123 schwarze 697: rew_pending(mdoc, n);
1.107 schwarze 698: return;
1.1 kristaps 699: }
700:
1.122 schwarze 701: if (endbody != NULL)
702: n = endbody;
1.153 schwarze 703:
704: ntok = TOKEN_NONE;
1.104 schwarze 705: for (j = 0; ; j++) {
1.1 kristaps 706: lastarg = *pos;
707:
1.142 schwarze 708: if (j == maxargs && n != NULL)
709: rew_last(mdoc, n);
1.1 kristaps 710:
1.76 schwarze 711: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 712: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 713: break;
714:
1.181 schwarze 715: ntok = lookup(mdoc, tok, line, lastarg, p);
1.36 schwarze 716:
1.147 schwarze 717: if (ntok == TOKEN_NONE) {
1.106 schwarze 718: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.182 schwarze 719: mdoc_macro(tok)->flags & MDOC_JOIN);
1.185 schwarze 720: if (ac == ARGS_ALLOC)
721: free(p);
1.36 schwarze 722: continue;
723: }
1.185 schwarze 724: if (ac == ARGS_ALLOC)
725: free(p);
1.1 kristaps 726:
1.142 schwarze 727: if (n != NULL)
728: rew_last(mdoc, n);
1.79 schwarze 729: mdoc->flags &= ~MDOC_NEWLINE;
1.182 schwarze 730: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.36 schwarze 731: break;
1.1 kristaps 732: }
733:
1.144 schwarze 734: if (n != NULL) {
1.169 schwarze 735: pending = 0;
1.166 schwarze 736: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.144 schwarze 737: target = n;
738: do
739: target = target->parent;
1.166 schwarze 740: while ( ! (target->flags & NODE_ENDED));
1.172 schwarze 741: pending = find_pending(mdoc, ntok, line, ppos, target);
1.169 schwarze 742: }
1.144 schwarze 743: if ( ! pending)
744: rew_pending(mdoc, n);
745: }
1.106 schwarze 746: if (nl)
747: append_delims(mdoc, line, pos, buf);
1.1 kristaps 748: }
749:
1.107 schwarze 750: static void
1.1 kristaps 751: in_line(MACRO_PROT_ARGS)
752: {
1.100 schwarze 753: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.176 schwarze 754: enum roff_tok ntok;
1.36 schwarze 755: enum margserr ac;
1.40 schwarze 756: enum mdelim d;
1.36 schwarze 757: struct mdoc_arg *arg;
758: char *p;
1.1 kristaps 759:
1.76 schwarze 760: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 761:
1.1 kristaps 762: /*
763: * Whether we allow ignored elements (those without content,
764: * usually because of reserved words) to squeak by.
765: */
1.32 schwarze 766:
1.1 kristaps 767: switch (tok) {
1.88 schwarze 768: case MDOC_An:
769: case MDOC_Ar:
770: case MDOC_Fl:
771: case MDOC_Mt:
772: case MDOC_Nm:
773: case MDOC_Pa:
1.1 kristaps 774: nc = 1;
775: break;
776: default:
777: nc = 0;
778: break;
779: }
780:
1.108 schwarze 781: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 782:
1.100 schwarze 783: d = DELIM_NONE;
784: firstarg = 1;
1.98 schwarze 785: mayopen = 1;
1.45 schwarze 786: for (cnt = scope = 0;; ) {
1.1 kristaps 787: la = *pos;
1.76 schwarze 788: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 789:
1.100 schwarze 790: /*
791: * At the end of a macro line,
792: * opening delimiters do not suppress spacing.
793: */
794:
795: if (ac == ARGS_EOLN) {
796: if (d == DELIM_OPEN)
1.166 schwarze 797: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 798: break;
1.100 schwarze 799: }
800:
801: /*
802: * The rest of the macro line is only punctuation,
803: * to be handled by append_delims().
804: * If there were no other arguments,
805: * do not allow the first one to suppress spacing,
806: * even if it turns out to be a closing one.
807: */
808:
809: if (ac == ARGS_PUNCT) {
1.132 schwarze 810: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.100 schwarze 811: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 812: break;
1.100 schwarze 813: }
1.1 kristaps 814:
1.181 schwarze 815: ntok = (tok == MDOC_Fn && !cnt) ?
1.147 schwarze 816: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 817:
1.88 schwarze 818: /*
1.1 kristaps 819: * In this case, we've located a submacro and must
820: * execute it. Close out scope, if open. If no
821: * elements have been generated, either create one (nc)
822: * or raise a warning.
823: */
824:
1.147 schwarze 825: if (ntok != TOKEN_NONE) {
1.105 schwarze 826: if (scope)
827: rew_elem(mdoc, tok);
1.106 schwarze 828: if (nc && ! cnt) {
829: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.105 schwarze 830: rew_last(mdoc, mdoc->last);
1.106 schwarze 831: } else if ( ! nc && ! cnt) {
1.1 kristaps 832: mdoc_argv_free(arg);
1.92 schwarze 833: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1.184 schwarze 834: line, ppos, "%s", roff_name[tok]);
1.1 kristaps 835: }
1.182 schwarze 836: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
837: line, la, pos, buf);
1.106 schwarze 838: if (nl)
839: append_delims(mdoc, line, pos, buf);
1.185 schwarze 840: if (ac == ARGS_ALLOC)
841: free(p);
1.107 schwarze 842: return;
1.88 schwarze 843: }
1.1 kristaps 844:
1.88 schwarze 845: /*
1.181 schwarze 846: * Handle punctuation. Set up our scope, if a word;
847: * rewind the scope, if a delimiter; then append the word.
1.1 kristaps 848: */
849:
1.181 schwarze 850: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.45 schwarze 851: /*
852: * If we encounter closing punctuation, no word
1.100 schwarze 853: * has been emitted, no scope is open, and we're
1.45 schwarze 854: * allowed to have an empty element, then start
1.98 schwarze 855: * a new scope.
1.45 schwarze 856: */
1.98 schwarze 857: if ((d == DELIM_CLOSE ||
858: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.100 schwarze 859: !cnt && !scope && nc && mayopen) {
1.106 schwarze 860: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 861: scope = 1;
1.98 schwarze 862: cnt++;
1.106 schwarze 863: if (tok == MDOC_Nm)
1.98 schwarze 864: mayopen = 0;
1.45 schwarze 865: }
866: /*
867: * Close out our scope, if one is open, before
868: * any punctuation.
869: */
1.181 schwarze 870: if (scope && tok != MDOC_Lk) {
1.105 schwarze 871: rew_elem(mdoc, tok);
1.181 schwarze 872: scope = 0;
873: if (tok == MDOC_Fn)
874: mayopen = 0;
875: }
1.98 schwarze 876: } else if (mayopen && !scope) {
1.106 schwarze 877: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 878: scope = 1;
1.98 schwarze 879: cnt++;
1.1 kristaps 880: }
1.66 schwarze 881:
1.106 schwarze 882: dword(mdoc, line, la, p, d,
1.182 schwarze 883: mdoc_macro(tok)->flags & MDOC_JOIN);
1.27 schwarze 884:
1.185 schwarze 885: if (ac == ARGS_ALLOC)
886: free(p);
887:
1.27 schwarze 888: /*
1.100 schwarze 889: * If the first argument is a closing delimiter,
890: * do not suppress spacing before it.
891: */
892:
893: if (firstarg && d == DELIM_CLOSE && !nc)
1.166 schwarze 894: mdoc->last->flags &= ~NODE_DELIMC;
1.100 schwarze 895: firstarg = 0;
896:
897: /*
1.27 schwarze 898: * `Fl' macros have their scope re-opened with each new
899: * word so that the `-' can be added to each one without
900: * having to parse out spaces.
901: */
1.106 schwarze 902: if (scope && tok == MDOC_Fl) {
1.105 schwarze 903: rew_elem(mdoc, tok);
1.45 schwarze 904: scope = 0;
1.27 schwarze 905: }
1.1 kristaps 906: }
907:
1.175 schwarze 908: if (scope && tok != MDOC_Lk) {
1.105 schwarze 909: rew_elem(mdoc, tok);
1.175 schwarze 910: scope = 0;
911: }
1.1 kristaps 912:
913: /*
914: * If no elements have been collected and we're allowed to have
915: * empties (nc), open a scope and close it out. Otherwise,
916: * raise a warning.
917: */
1.32 schwarze 918:
1.106 schwarze 919: if ( ! cnt) {
920: if (nc) {
921: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
922: rew_last(mdoc, mdoc->last);
923: } else {
924: mdoc_argv_free(arg);
1.184 schwarze 925: mandoc_msg(MANDOCERR_MACRO_EMPTY,
926: line, ppos, "%s", roff_name[tok]);
1.106 schwarze 927: }
1.1 kristaps 928: }
1.106 schwarze 929: if (nl)
930: append_delims(mdoc, line, pos, buf);
1.175 schwarze 931: if (scope)
932: rew_elem(mdoc, tok);
1.1 kristaps 933: }
934:
1.107 schwarze 935: static void
1.1 kristaps 936: blk_full(MACRO_PROT_ARGS)
937: {
1.185 schwarze 938: int done, la, nl, parsed;
1.1 kristaps 939: struct mdoc_arg *arg;
1.141 schwarze 940: struct roff_node *blk; /* Our own or a broken block. */
941: struct roff_node *head; /* Our own head. */
942: struct roff_node *body; /* Our own body. */
943: struct roff_node *n;
1.37 schwarze 944: enum margserr ac, lac;
1.1 kristaps 945: char *p;
946:
1.76 schwarze 947: nl = MDOC_NEWLINE & mdoc->flags;
1.95 schwarze 948:
1.133 schwarze 949: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
1.184 schwarze 950: mandoc_msg(MANDOCERR_MACRO_EMPTY,
951: line, ppos, "%s", roff_name[tok]);
1.133 schwarze 952: return;
953: }
954:
1.182 schwarze 955: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.127 schwarze 956:
957: /* Here, tok is one of Sh Ss Nm Nd It. */
958:
959: blk = NULL;
960: for (n = mdoc->last; n != NULL; n = n->parent) {
1.166 schwarze 961: if (n->flags & NODE_ENDED) {
962: if ( ! (n->flags & NODE_VALID))
963: n->flags |= NODE_BROKEN;
1.139 schwarze 964: continue;
965: }
1.140 schwarze 966: if (n->type != ROFFT_BLOCK)
1.127 schwarze 967: continue;
1.139 schwarze 968:
1.127 schwarze 969: if (tok == MDOC_It && n->tok == MDOC_Bl) {
970: if (blk != NULL) {
1.184 schwarze 971: mandoc_msg(MANDOCERR_BLK_BROKEN,
972: line, ppos, "It breaks %s",
1.176 schwarze 973: roff_name[blk->tok]);
1.127 schwarze 974: rew_pending(mdoc, blk);
975: }
976: break;
977: }
978:
1.182 schwarze 979: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.127 schwarze 980: switch (tok) {
981: case MDOC_Sh:
982: case MDOC_Ss:
1.184 schwarze 983: mandoc_msg(MANDOCERR_BLK_BROKEN,
984: line, ppos,
1.176 schwarze 985: "%s breaks %s", roff_name[tok],
986: roff_name[n->tok]);
1.127 schwarze 987: rew_pending(mdoc, n);
1.136 schwarze 988: n = mdoc->last;
1.127 schwarze 989: continue;
990: case MDOC_It:
991: /* Delay in case it's astray. */
992: blk = n;
993: continue;
994: default:
995: break;
996: }
997: break;
998: }
999:
1000: /* Here, n is one of Sh Ss Nm Nd It. */
1.95 schwarze 1001:
1.127 schwarze 1002: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1003: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1004: (tok != MDOC_It && n->tok == MDOC_It)))))
1.95 schwarze 1005: break;
1.127 schwarze 1006:
1007: /* Item breaking an explicit block. */
1008:
1009: if (blk != NULL) {
1.184 schwarze 1010: mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
1.176 schwarze 1011: "It breaks %s", roff_name[blk->tok]);
1.127 schwarze 1012: rew_pending(mdoc, blk);
1.128 schwarze 1013: blk = NULL;
1.127 schwarze 1014: }
1015:
1016: /* Close out prior implicit scopes. */
1017:
1.167 schwarze 1018: rew_pending(mdoc, n);
1.127 schwarze 1019: }
1020:
1021: /* Skip items outside lists. */
1022:
1023: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.184 schwarze 1024: mandoc_msg(MANDOCERR_IT_STRAY,
1.95 schwarze 1025: line, ppos, "It %s", buf + *pos);
1.178 schwarze 1026: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1027: rew_elem(mdoc, ROFF_br);
1.107 schwarze 1028: return;
1.95 schwarze 1029: }
1.1 kristaps 1030: }
1031:
1.32 schwarze 1032: /*
1.68 schwarze 1033: * This routine accommodates implicitly- and explicitly-scoped
1.32 schwarze 1034: * macro openings. Implicit ones first close out prior scope
1035: * (seen above). Delay opening the head until necessary to
1036: * allow leading punctuation to print. Special consideration
1037: * for `It -column', which has phrase-part syntax instead of
1038: * regular child nodes.
1039: */
1040:
1.108 schwarze 1041: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.121 schwarze 1042: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.34 schwarze 1043: head = body = NULL;
1.1 kristaps 1044:
1.32 schwarze 1045: /*
1.73 schwarze 1046: * Exception: Heads of `It' macros in `-diag' lists are not
1047: * parsed, even though `It' macros in general are parsed.
1048: */
1.107 schwarze 1049:
1.109 schwarze 1050: parsed = tok != MDOC_It ||
1051: mdoc->last->parent->tok != MDOC_Bl ||
1052: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.73 schwarze 1053:
1054: /*
1.32 schwarze 1055: * The `Nd' macro has all arguments in its body: it's a hybrid
1056: * of block partial-explicit and full-implicit. Stupid.
1057: */
1.12 schwarze 1058:
1.106 schwarze 1059: if (tok == MDOC_Nd) {
1.146 schwarze 1060: head = roff_head_alloc(mdoc, line, ppos, tok);
1.118 schwarze 1061: rew_last(mdoc, head);
1.146 schwarze 1062: body = roff_body_alloc(mdoc, line, ppos, tok);
1.80 schwarze 1063: }
1064:
1.106 schwarze 1065: if (tok == MDOC_Bk)
1.80 schwarze 1066: mdoc->flags |= MDOC_KEEP;
1.12 schwarze 1067:
1.161 schwarze 1068: ac = ARGS_EOLN;
1.106 schwarze 1069: for (;;) {
1.161 schwarze 1070:
1071: /*
1072: * If we are right after a tab character,
1073: * do not parse the first word for macros.
1074: */
1075:
1076: if (mdoc->flags & MDOC_PHRASEQN) {
1077: mdoc->flags &= ~MDOC_PHRASEQN;
1078: mdoc->flags |= MDOC_PHRASEQF;
1079: }
1080:
1.32 schwarze 1081: la = *pos;
1.106 schwarze 1082: lac = ac;
1.76 schwarze 1083: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1084: if (ac == ARGS_EOLN) {
1.161 schwarze 1085: if (lac != ARGS_PHRASE ||
1086: ! (mdoc->flags & MDOC_PHRASEQF))
1.46 schwarze 1087: break;
1.161 schwarze 1088:
1.46 schwarze 1089: /*
1.161 schwarze 1090: * This line ends in a tab; start the next
1091: * column now, with a leading blank.
1.46 schwarze 1092: */
1.161 schwarze 1093:
1.123 schwarze 1094: if (body != NULL)
1095: rew_last(mdoc, body);
1.146 schwarze 1096: body = roff_body_alloc(mdoc, line, ppos, tok);
1.161 schwarze 1097: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1098: break;
1.41 schwarze 1099: }
1.161 schwarze 1100:
1.130 schwarze 1101: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1.184 schwarze 1102: mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
1103: "%s ... %s", roff_name[tok], buf + la);
1.185 schwarze 1104: if (ac == ARGS_ALLOC)
1105: free(p);
1.130 schwarze 1106: break;
1107: }
1.129 schwarze 1108: if (tok == MDOC_Rs) {
1.184 schwarze 1109: mandoc_msg(MANDOCERR_ARG_SKIP,
1.129 schwarze 1110: line, la, "Rs %s", buf + la);
1.185 schwarze 1111: if (ac == ARGS_ALLOC)
1112: free(p);
1.129 schwarze 1113: break;
1114: }
1115: if (ac == ARGS_PUNCT)
1116: break;
1.41 schwarze 1117:
1.88 schwarze 1118: /*
1.46 schwarze 1119: * Emit leading punctuation (i.e., punctuation before
1.140 schwarze 1120: * the ROFFT_HEAD) for non-phrase types.
1.46 schwarze 1121: */
1.32 schwarze 1122:
1.106 schwarze 1123: if (head == NULL &&
1124: ac != ARGS_PHRASE &&
1125: mdoc_isdelim(p) == DELIM_OPEN) {
1126: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1127: if (ac == ARGS_ALLOC)
1128: free(p);
1.32 schwarze 1129: continue;
1130: }
1131:
1.46 schwarze 1132: /* Open a head if one hasn't been opened. */
1.32 schwarze 1133:
1.106 schwarze 1134: if (head == NULL)
1.146 schwarze 1135: head = roff_head_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1136:
1.161 schwarze 1137: if (ac == ARGS_PHRASE) {
1.107 schwarze 1138:
1.46 schwarze 1139: /*
1140: * If we haven't opened a body yet, rewind the
1141: * head; if we have, rewind that instead.
1142: */
1143:
1.123 schwarze 1144: rew_last(mdoc, body == NULL ? head : body);
1.146 schwarze 1145: body = roff_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1146:
1.161 schwarze 1147: /* Process to the tab or to the end of the line. */
1.46 schwarze 1148:
1.161 schwarze 1149: mdoc->flags |= MDOC_PHRASE;
1.147 schwarze 1150: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.161 schwarze 1151: mdoc->flags &= ~MDOC_PHRASE;
1.160 schwarze 1152:
1153: /* There may have been `Ta' macros. */
1154:
1155: while (body->next != NULL)
1156: body = body->next;
1.1 kristaps 1157: continue;
1158: }
1159:
1.185 schwarze 1160: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
1161: if (ac == ARGS_ALLOC)
1162: free(p);
1163: if (done)
1.107 schwarze 1164: break;
1.32 schwarze 1165: }
1.1 kristaps 1166:
1.166 schwarze 1167: if (blk->flags & NODE_VALID)
1.121 schwarze 1168: return;
1.106 schwarze 1169: if (head == NULL)
1.146 schwarze 1170: head = roff_head_alloc(mdoc, line, ppos, tok);
1.130 schwarze 1171: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.106 schwarze 1172: append_delims(mdoc, line, pos, buf);
1.107 schwarze 1173: if (body != NULL)
1.46 schwarze 1174: goto out;
1.143 schwarze 1175: if (find_pending(mdoc, tok, line, ppos, head))
1.139 schwarze 1176: return;
1.54 schwarze 1177:
1.32 schwarze 1178: /* Close out scopes to remain in a consistent state. */
1.12 schwarze 1179:
1.123 schwarze 1180: rew_last(mdoc, head);
1.146 schwarze 1181: body = roff_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1182: out:
1.106 schwarze 1183: if (mdoc->flags & MDOC_FREECOL) {
1.123 schwarze 1184: rew_last(mdoc, body);
1185: rew_last(mdoc, blk);
1.106 schwarze 1186: mdoc->flags &= ~MDOC_FREECOL;
1187: }
1.1 kristaps 1188: }
1189:
1.107 schwarze 1190: static void
1.1 kristaps 1191: blk_part_imp(MACRO_PROT_ARGS)
1192: {
1.185 schwarze 1193: int done, la, nl;
1.36 schwarze 1194: enum margserr ac;
1.1 kristaps 1195: char *p;
1.141 schwarze 1196: struct roff_node *blk; /* saved block context */
1197: struct roff_node *body; /* saved body context */
1198: struct roff_node *n;
1.1 kristaps 1199:
1.76 schwarze 1200: nl = MDOC_NEWLINE & mdoc->flags;
1.43 schwarze 1201:
1.32 schwarze 1202: /*
1203: * A macro that spans to the end of the line. This is generally
1204: * (but not necessarily) called as the first macro. The block
1205: * has a head as the immediate child, which is always empty,
1206: * followed by zero or more opening punctuation nodes, then the
1207: * body (which may be empty, depending on the macro), then zero
1208: * or more closing punctuation nodes.
1209: */
1.22 schwarze 1210:
1.106 schwarze 1211: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.146 schwarze 1212: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1213:
1.32 schwarze 1214: /*
1215: * Open the body scope "on-demand", that is, after we've
1216: * processed all our the leading delimiters (open parenthesis,
1217: * etc.).
1218: */
1.1 kristaps 1219:
1.32 schwarze 1220: for (body = NULL; ; ) {
1.22 schwarze 1221: la = *pos;
1.76 schwarze 1222: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1223: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1224: break;
1225:
1.181 schwarze 1226: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.106 schwarze 1227: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1228: if (ac == ARGS_ALLOC)
1229: free(p);
1.1 kristaps 1230: continue;
1.80 schwarze 1231: }
1.1 kristaps 1232:
1.106 schwarze 1233: if (body == NULL)
1.146 schwarze 1234: body = roff_body_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1235:
1.185 schwarze 1236: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1237: if (ac == ARGS_ALLOC)
1238: free(p);
1239: if (done)
1.107 schwarze 1240: break;
1.32 schwarze 1241: }
1.106 schwarze 1242: if (body == NULL)
1.146 schwarze 1243: body = roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1244:
1.143 schwarze 1245: if (find_pending(mdoc, tok, line, ppos, body))
1.139 schwarze 1246: return;
1247:
1.120 schwarze 1248: rew_last(mdoc, body);
1.106 schwarze 1249: if (nl)
1250: append_delims(mdoc, line, pos, buf);
1.122 schwarze 1251: rew_pending(mdoc, blk);
1.74 schwarze 1252:
1253: /* Move trailing .Ns out of scope. */
1254:
1255: for (n = body->child; n && n->next; n = n->next)
1256: /* Do nothing. */ ;
1.106 schwarze 1257: if (n && n->tok == MDOC_Ns)
1.183 schwarze 1258: roff_node_relink(mdoc, n);
1.1 kristaps 1259: }
1260:
1.107 schwarze 1261: static void
1.1 kristaps 1262: blk_part_exp(MACRO_PROT_ARGS)
1263: {
1.185 schwarze 1264: int done, la, nl;
1.36 schwarze 1265: enum margserr ac;
1.141 schwarze 1266: struct roff_node *head; /* keep track of head */
1.1 kristaps 1267: char *p;
1268:
1.76 schwarze 1269: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 1270:
1.32 schwarze 1271: /*
1272: * The opening of an explicit macro having zero or more leading
1273: * punctuation nodes; a head with optional single element (the
1274: * case of `Eo'); and a body that may be empty.
1275: */
1.22 schwarze 1276:
1.149 schwarze 1277: roff_block_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1278: head = NULL;
1279: for (;;) {
1.22 schwarze 1280: la = *pos;
1.76 schwarze 1281: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1282: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1283: break;
1284:
1.32 schwarze 1285: /* Flush out leading punctuation. */
1286:
1.181 schwarze 1287: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.106 schwarze 1288: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1289: if (ac == ARGS_ALLOC)
1290: free(p);
1.32 schwarze 1291: continue;
1.80 schwarze 1292: }
1.32 schwarze 1293:
1.106 schwarze 1294: if (head == NULL) {
1.146 schwarze 1295: head = roff_head_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1296: if (tok == MDOC_Eo) /* Not parsed. */
1.106 schwarze 1297: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.119 schwarze 1298: rew_last(mdoc, head);
1.146 schwarze 1299: roff_body_alloc(mdoc, line, ppos, tok);
1.185 schwarze 1300: if (tok == MDOC_Eo) {
1301: if (ac == ARGS_ALLOC)
1302: free(p);
1.32 schwarze 1303: continue;
1.185 schwarze 1304: }
1.32 schwarze 1305: }
1306:
1.185 schwarze 1307: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1308: if (ac == ARGS_ALLOC)
1309: free(p);
1310: if (done)
1.107 schwarze 1311: break;
1.1 kristaps 1312: }
1313:
1.32 schwarze 1314: /* Clean-up to leave in a consistent state. */
1315:
1.119 schwarze 1316: if (head == NULL) {
1.146 schwarze 1317: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1318: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1319: }
1.106 schwarze 1320: if (nl)
1321: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1322: }
1323:
1.107 schwarze 1324: static void
1.1 kristaps 1325: in_line_argn(MACRO_PROT_ARGS)
1326: {
1.36 schwarze 1327: struct mdoc_arg *arg;
1328: char *p;
1.137 schwarze 1329: enum margserr ac;
1.176 schwarze 1330: enum roff_tok ntok;
1.137 schwarze 1331: int state; /* arg#; -1: not yet open; -2: closed */
1332: int la, maxargs, nl;
1.1 kristaps 1333:
1.112 schwarze 1334: nl = mdoc->flags & MDOC_NEWLINE;
1.37 schwarze 1335:
1.32 schwarze 1336: /*
1337: * A line macro that has a fixed number of arguments (maxargs).
1338: * Only open the scope once the first non-leading-punctuation is
1339: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1340: * keep it open until the maximum number of arguments are
1341: * exhausted.
1342: */
1.1 kristaps 1343:
1344: switch (tok) {
1.88 schwarze 1345: case MDOC_Ap:
1346: case MDOC_Ns:
1347: case MDOC_Ux:
1.1 kristaps 1348: maxargs = 0;
1349: break;
1.88 schwarze 1350: case MDOC_Bx:
1.89 schwarze 1351: case MDOC_Es:
1.88 schwarze 1352: case MDOC_Xr:
1.28 schwarze 1353: maxargs = 2;
1354: break;
1.1 kristaps 1355: default:
1356: maxargs = 1;
1357: break;
1358: }
1359:
1.108 schwarze 1360: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1361:
1.137 schwarze 1362: state = -1;
1.112 schwarze 1363: p = NULL;
1364: for (;;) {
1.22 schwarze 1365: la = *pos;
1.76 schwarze 1366: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.137 schwarze 1367:
1.185 schwarze 1368: if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
1.182 schwarze 1369: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.137 schwarze 1370: mdoc_isdelim(p) == DELIM_OPEN) {
1371: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1372: if (ac == ARGS_ALLOC)
1373: free(p);
1.137 schwarze 1374: continue;
1375: }
1376:
1377: if (state == -1 && tok != MDOC_In &&
1378: tok != MDOC_St && tok != MDOC_Xr) {
1379: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1380: state = 0;
1381: }
1382:
1.112 schwarze 1383: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.137 schwarze 1384: if (abs(state) < 2 && tok == MDOC_Pf)
1.184 schwarze 1385: mandoc_msg(MANDOCERR_PF_SKIP,
1386: line, ppos, "Pf %s",
1.112 schwarze 1387: p == NULL ? "at eol" : p);
1.1 kristaps 1388: break;
1.112 schwarze 1389: }
1.1 kristaps 1390:
1.137 schwarze 1391: if (state == maxargs) {
1.105 schwarze 1392: rew_elem(mdoc, tok);
1.137 schwarze 1393: state = -2;
1.32 schwarze 1394: }
1395:
1.181 schwarze 1396: ntok = (tok == MDOC_Pf && state == 0) ?
1.147 schwarze 1397: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.36 schwarze 1398:
1.147 schwarze 1399: if (ntok != TOKEN_NONE) {
1.137 schwarze 1400: if (state >= 0) {
1.105 schwarze 1401: rew_elem(mdoc, tok);
1.137 schwarze 1402: state = -2;
1403: }
1.182 schwarze 1404: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
1405: line, la, pos, buf);
1.185 schwarze 1406: if (ac == ARGS_ALLOC)
1407: free(p);
1.1 kristaps 1408: break;
1409: }
1410:
1.182 schwarze 1411: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.137 schwarze 1412: mdoc_isdelim(p) == DELIM_NONE) {
1413: if (state == -1) {
1414: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1415: state = 1;
1416: } else if (state >= 0)
1417: state++;
1418: } else if (state >= 0) {
1.105 schwarze 1419: rew_elem(mdoc, tok);
1.137 schwarze 1420: state = -2;
1.28 schwarze 1421: }
1422:
1.106 schwarze 1423: dword(mdoc, line, la, p, DELIM_MAX,
1.182 schwarze 1424: mdoc_macro(tok)->flags & MDOC_JOIN);
1.185 schwarze 1425: if (ac == ARGS_ALLOC)
1426: free(p);
1427: p = mdoc->last->string;
1.1 kristaps 1428: }
1429:
1.137 schwarze 1430: if (state == -1) {
1.184 schwarze 1431: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1432: line, ppos, "%s", roff_name[tok]);
1.137 schwarze 1433: return;
1.112 schwarze 1434: }
1.137 schwarze 1435:
1436: if (state == 0 && tok == MDOC_Pf)
1437: append_delims(mdoc, line, pos, buf);
1438: if (state >= 0)
1.105 schwarze 1439: rew_elem(mdoc, tok);
1.106 schwarze 1440: if (nl)
1441: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1442: }
1443:
1.107 schwarze 1444: static void
1.1 kristaps 1445: in_line_eoln(MACRO_PROT_ARGS)
1446: {
1.141 schwarze 1447: struct roff_node *n;
1.126 schwarze 1448: struct mdoc_arg *arg;
1.1 kristaps 1449:
1.126 schwarze 1450: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1451: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1452: n = mdoc->last;
1.145 schwarze 1453: if (mdoc->next == ROFF_NEXT_SIBLING)
1.126 schwarze 1454: n = n->parent;
1455: if (n->tok == MDOC_Nm)
1.154 schwarze 1456: rew_last(mdoc, n->parent);
1.134 schwarze 1457: }
1458:
1.135 schwarze 1459: if (buf[*pos] == '\0' &&
1.176 schwarze 1460: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.184 schwarze 1461: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1462: line, ppos, "%s", roff_name[tok]);
1.134 schwarze 1463: return;
1.126 schwarze 1464: }
1.53 schwarze 1465:
1.108 schwarze 1466: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.106 schwarze 1467: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.110 schwarze 1468: if (parse_rest(mdoc, tok, line, pos, buf))
1469: return;
1470: rew_elem(mdoc, tok);
1471: }
1472:
1473: /*
1474: * The simplest argument parser available: Parse the remaining
1475: * words until the end of the phrase or line and return 0
1476: * or until the next macro, call that macro, and return 1.
1477: */
1478: static int
1.176 schwarze 1479: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1480: int line, int *pos, char *buf)
1.110 schwarze 1481: {
1.185 schwarze 1482: char *p;
1483: int done, la;
1484: enum margserr ac;
1.1 kristaps 1485:
1486: for (;;) {
1487: la = *pos;
1.185 schwarze 1488: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1489: if (ac == ARGS_EOLN)
1.158 schwarze 1490: return 0;
1.185 schwarze 1491: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1492: if (ac == ARGS_ALLOC)
1493: free(p);
1494: if (done)
1.158 schwarze 1495: return 1;
1.1 kristaps 1496: }
1.28 schwarze 1497: }
1498:
1.107 schwarze 1499: static void
1.28 schwarze 1500: ctx_synopsis(MACRO_PROT_ARGS)
1501: {
1.37 schwarze 1502:
1.107 schwarze 1503: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1504: in_line(mdoc, tok, line, ppos, pos, buf);
1505: else if (tok == MDOC_Nm)
1506: blk_full(mdoc, tok, line, ppos, pos, buf);
1507: else {
1508: assert(tok == MDOC_Vt);
1509: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1510: }
1.1 kristaps 1511: }
1512:
1.17 schwarze 1513: /*
1514: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1515: * They're unusual because they're basically free-form text until a
1516: * macro is encountered.
1517: */
1.107 schwarze 1518: static void
1.46 schwarze 1519: phrase_ta(MACRO_PROT_ARGS)
1520: {
1.141 schwarze 1521: struct roff_node *body, *n;
1.46 schwarze 1522:
1.78 schwarze 1523: /* Make sure we are in a column list or ignore this macro. */
1.107 schwarze 1524:
1.123 schwarze 1525: body = NULL;
1526: for (n = mdoc->last; n != NULL; n = n->parent) {
1.166 schwarze 1527: if (n->flags & NODE_ENDED)
1.123 schwarze 1528: continue;
1.140 schwarze 1529: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.123 schwarze 1530: body = n;
1.164 schwarze 1531: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.123 schwarze 1532: break;
1533: }
1534:
1.107 schwarze 1535: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.184 schwarze 1536: mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
1.107 schwarze 1537: return;
1.78 schwarze 1538: }
1.46 schwarze 1539:
1.78 schwarze 1540: /* Advance to the next column. */
1.106 schwarze 1541:
1.123 schwarze 1542: rew_last(mdoc, body);
1.146 schwarze 1543: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.147 schwarze 1544: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.46 schwarze 1545: }
![[BACK]](/icons/back.gif){kind=icon}
Return to mdoc_macro.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / mandoc