Annotation of mandoc/mdoc_macro.c, Revision 1.234
1.234 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.233 2020/01/19 16:44:50 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.234 ! schwarze 4: * Copyright (c) 2010, 2012-2020 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.8 kristaps 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: *
1.184 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.8 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.184 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.8 kristaps 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: */
1.40 kristaps 18: #include "config.h"
1.140 schwarze 19:
20: #include <sys/types.h>
1.40 kristaps 21:
1.1 kristaps 22: #include <assert.h>
23: #include <ctype.h>
24: #include <stdlib.h>
25: #include <stdio.h>
26: #include <string.h>
1.38 kristaps 27: #include <time.h>
1.1 kristaps 28:
1.184 schwarze 29: #include "mandoc.h"
30: #include "roff.h"
1.106 kristaps 31: #include "mdoc.h"
1.184 schwarze 32: #include "libmandoc.h"
1.190 schwarze 33: #include "roff_int.h"
1.1 kristaps 34: #include "libmdoc.h"
35:
1.151 schwarze 36: static void blk_full(MACRO_PROT_ARGS);
37: static void blk_exp_close(MACRO_PROT_ARGS);
38: static void blk_part_exp(MACRO_PROT_ARGS);
39: static void blk_part_imp(MACRO_PROT_ARGS);
40: static void ctx_synopsis(MACRO_PROT_ARGS);
41: static void in_line_eoln(MACRO_PROT_ARGS);
42: static void in_line_argn(MACRO_PROT_ARGS);
43: static void in_line(MACRO_PROT_ARGS);
44: static void phrase_ta(MACRO_PROT_ARGS);
1.53 kristaps 45:
1.189 schwarze 46: static void append_delims(struct roff_man *, int, int *, char *);
47: static void dword(struct roff_man *, int, int, const char *,
1.187 schwarze 48: enum mdelim, int);
1.219 schwarze 49: static int find_pending(struct roff_man *, enum roff_tok,
50: int, int, struct roff_node *);
1.189 schwarze 51: static int lookup(struct roff_man *, int, int, int, const char *);
1.228 schwarze 52: static int macro_or_word(MACRO_PROT_ARGS, char *, int);
1.213 schwarze 53: static void break_intermediate(struct roff_node *,
1.219 schwarze 54: struct roff_node *);
55: static int parse_rest(struct roff_man *, enum roff_tok,
56: int, int *, char *);
57: static enum roff_tok rew_alt(enum roff_tok);
58: static void rew_elem(struct roff_man *, enum roff_tok);
1.189 schwarze 59: static void rew_last(struct roff_man *, const struct roff_node *);
60: static void rew_pending(struct roff_man *,
61: const struct roff_node *);
1.1 kristaps 62:
1.225 schwarze 63: static const struct mdoc_macro mdoc_macros[MDOC_MAX - MDOC_Dd] = {
1.233 schwarze 64: { in_line_eoln, MDOC_PROLOGUE | MDOC_JOIN }, /* Dd */
1.1 kristaps 65: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
66: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.123 schwarze 67: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
68: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
69: { in_line_eoln, 0 }, /* Pp */
70: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
71: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 72: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.123 schwarze 73: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 74: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.123 schwarze 75: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
76: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
77: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
78: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.224 schwarze 79: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
80: MDOC_IGNDELIM | MDOC_JOIN }, /* Ap */
1.1 kristaps 81: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.129 schwarze 82: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.123 schwarze 84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
85: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 87: { in_line_eoln, 0 }, /* Ex */
1.123 schwarze 88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
89: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 90: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.123 schwarze 91: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
92: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.128 schwarze 93: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.18 kristaps 94: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.123 schwarze 95: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
96: { blk_full, MDOC_JOIN }, /* Nd */
97: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 98: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.132 schwarze 99: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 100: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
101: { in_line_eoln, 0 }, /* Rv */
1.123 schwarze 102: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 103: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.123 schwarze 104: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.42 kristaps 105: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.123 schwarze 106: { in_line_eoln, MDOC_JOIN }, /* %A */
107: { in_line_eoln, MDOC_JOIN }, /* %B */
108: { in_line_eoln, MDOC_JOIN }, /* %D */
109: { in_line_eoln, MDOC_JOIN }, /* %I */
110: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 111: { in_line_eoln, 0 }, /* %N */
1.123 schwarze 112: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 113: { in_line_eoln, 0 }, /* %P */
1.123 schwarze 114: { in_line_eoln, MDOC_JOIN }, /* %R */
115: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 116: { in_line_eoln, 0 }, /* %V */
1.123 schwarze 117: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
118: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
119: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
120: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
121: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 122: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.123 schwarze 123: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
124: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
125: { blk_full, MDOC_EXPLICIT }, /* Bf */
126: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
127: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
128: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 129: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
130: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
131: { in_line_eoln, 0 }, /* Db */
1.123 schwarze 132: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
133: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
134: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
135: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
136: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
137: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
138: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
139: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 140: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
141: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.11 kristaps 142: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.144 schwarze 143: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.123 schwarze 144: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
145: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 146: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
147: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.123 schwarze 148: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
149: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.52 kristaps 150: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.123 schwarze 151: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
152: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
153: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
154: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
155: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
156: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
157: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
158: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
159: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
160: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 161: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.123 schwarze 162: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
163: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
164: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
165: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
166: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.147 schwarze 167: { in_line_argn, 0 }, /* Sm */
1.123 schwarze 168: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
169: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 170: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.123 schwarze 171: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 172: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
173: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.123 schwarze 174: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
175: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
176: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
177: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
178: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
179: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
180: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 181: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.123 schwarze 182: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 183: { in_line_eoln, 0 }, /* Bt */
184: { in_line_eoln, 0 }, /* Hf */
1.132 schwarze 185: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 186: { in_line_eoln, 0 }, /* Ud */
1.69 kristaps 187: { in_line, 0 }, /* Lb */
1.123 schwarze 188: { in_line_eoln, 0 }, /* Lp */
189: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
190: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
191: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
192: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
193: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
194: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
195: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
196: { in_line_eoln, MDOC_JOIN }, /* %C */
1.132 schwarze 197: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
198: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 199: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.123 schwarze 200: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.37 kristaps 201: { in_line_eoln, 0 }, /* %U */
1.123 schwarze 202: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.234 ! schwarze 203: { in_line_eoln, 0 }, /* Tg */
1.1 kristaps 204: };
205:
206:
1.225 schwarze 207: const struct mdoc_macro *
208: mdoc_macro(enum roff_tok tok)
209: {
210: assert(tok >= MDOC_Dd && tok < MDOC_MAX);
211: return mdoc_macros + (tok - MDOC_Dd);
212: }
213:
1.1 kristaps 214: /*
215: * This is called at the end of parsing. It must traverse up the tree,
216: * closing out open [implicit] scopes. Obviously, open explicit scopes
217: * are errors.
218: */
1.151 schwarze 219: void
1.195 schwarze 220: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 221: {
1.185 schwarze 222: struct roff_node *n;
1.1 kristaps 223:
224: /* Scan for open explicit scopes. */
225:
1.210 schwarze 226: n = mdoc->last->flags & NODE_VALID ?
1.131 schwarze 227: mdoc->last->parent : mdoc->last;
1.1 kristaps 228:
1.94 schwarze 229: for ( ; n; n = n->parent)
1.184 schwarze 230: if (n->type == ROFFT_BLOCK &&
1.225 schwarze 231: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT)
1.227 schwarze 232: mandoc_msg(MANDOCERR_BLK_NOEND,
233: n->line, n->pos, "%s", roff_name[n->tok]);
1.1 kristaps 234:
1.32 kristaps 235: /* Rewind to the first. */
236:
1.229 schwarze 237: rew_last(mdoc, mdoc->meta.first);
1.1 kristaps 238: }
239:
1.32 kristaps 240: /*
1.153 schwarze 241: * Look up the macro at *p called by "from",
1.191 schwarze 242: * or as a line macro if from == TOKEN_NONE.
1.32 kristaps 243: */
1.185 schwarze 244: static int
1.189 schwarze 245: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.28 kristaps 246: {
1.219 schwarze 247: enum roff_tok res;
1.1 kristaps 248:
1.205 schwarze 249: if (mdoc->flags & MDOC_PHRASEQF) {
250: mdoc->flags &= ~MDOC_PHRASEQF;
251: return TOKEN_NONE;
252: }
1.225 schwarze 253: if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) {
1.220 schwarze 254: res = roffhash_find(mdoc->mdocmac, p, 0);
1.191 schwarze 255: if (res != TOKEN_NONE) {
1.225 schwarze 256: if (mdoc_macro(res)->flags & MDOC_CALLABLE)
1.202 schwarze 257: return res;
1.227 schwarze 258: mandoc_msg(MANDOCERR_MACRO_CALL, line, ppos, "%s", p);
1.155 schwarze 259: }
1.153 schwarze 260: }
1.202 schwarze 261: return TOKEN_NONE;
1.1 kristaps 262: }
263:
1.166 schwarze 264: /*
265: * Rewind up to and including a specific node.
266: */
1.149 schwarze 267: static void
1.189 schwarze 268: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 269: {
270:
1.210 schwarze 271: if (to->flags & NODE_VALID)
1.186 schwarze 272: return;
273:
1.1 kristaps 274: while (mdoc->last != to) {
1.206 schwarze 275: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 276: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.206 schwarze 277: mdoc->last = mdoc->last->parent;
1.1 kristaps 278: }
1.206 schwarze 279: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 280: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.200 schwarze 281: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 282: }
283:
1.32 kristaps 284: /*
1.166 schwarze 285: * Rewind up to a specific block, including all blocks that broke it.
286: */
287: static void
1.189 schwarze 288: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.166 schwarze 289: {
290:
1.183 schwarze 291: for (;;) {
292: rew_last(mdoc, n);
293:
1.194 schwarze 294: if (mdoc->last == n) {
295: switch (n->type) {
296: case ROFFT_HEAD:
297: roff_body_alloc(mdoc, n->line, n->pos,
298: n->tok);
1.232 schwarze 299: if (n->tok == MDOC_Ss)
300: mdoc->flags &= ~ROFF_NONOFILL;
1.207 schwarze 301: break;
1.194 schwarze 302: case ROFFT_BLOCK:
303: break;
304: default:
305: return;
306: }
1.210 schwarze 307: if ( ! (n->flags & NODE_BROKEN))
1.194 schwarze 308: return;
309: } else
310: n = mdoc->last;
1.166 schwarze 311:
1.183 schwarze 312: for (;;) {
313: if ((n = n->parent) == NULL)
314: return;
315:
1.184 schwarze 316: if (n->type == ROFFT_BLOCK ||
317: n->type == ROFFT_HEAD) {
1.210 schwarze 318: if (n->flags & NODE_ENDED)
1.183 schwarze 319: break;
320: else
321: return;
322: }
323: }
1.166 schwarze 324: }
325: }
326:
327: /*
1.84 schwarze 328: * For a block closing macro, return the corresponding opening one.
329: * Otherwise, return the macro itself.
1.32 kristaps 330: */
1.219 schwarze 331: static enum roff_tok
332: rew_alt(enum roff_tok tok)
1.1 kristaps 333: {
334: switch (tok) {
1.131 schwarze 335: case MDOC_Ac:
1.202 schwarze 336: return MDOC_Ao;
1.131 schwarze 337: case MDOC_Bc:
1.202 schwarze 338: return MDOC_Bo;
1.131 schwarze 339: case MDOC_Brc:
1.202 schwarze 340: return MDOC_Bro;
1.131 schwarze 341: case MDOC_Dc:
1.202 schwarze 342: return MDOC_Do;
1.131 schwarze 343: case MDOC_Ec:
1.202 schwarze 344: return MDOC_Eo;
1.131 schwarze 345: case MDOC_Ed:
1.202 schwarze 346: return MDOC_Bd;
1.131 schwarze 347: case MDOC_Ef:
1.202 schwarze 348: return MDOC_Bf;
1.131 schwarze 349: case MDOC_Ek:
1.202 schwarze 350: return MDOC_Bk;
1.131 schwarze 351: case MDOC_El:
1.202 schwarze 352: return MDOC_Bl;
1.131 schwarze 353: case MDOC_Fc:
1.202 schwarze 354: return MDOC_Fo;
1.131 schwarze 355: case MDOC_Oc:
1.202 schwarze 356: return MDOC_Oo;
1.131 schwarze 357: case MDOC_Pc:
1.202 schwarze 358: return MDOC_Po;
1.131 schwarze 359: case MDOC_Qc:
1.202 schwarze 360: return MDOC_Qo;
1.131 schwarze 361: case MDOC_Re:
1.202 schwarze 362: return MDOC_Rs;
1.131 schwarze 363: case MDOC_Sc:
1.202 schwarze 364: return MDOC_So;
1.131 schwarze 365: case MDOC_Xc:
1.202 schwarze 366: return MDOC_Xo;
1.1 kristaps 367: default:
1.202 schwarze 368: return tok;
1.1 kristaps 369: }
370: }
371:
1.149 schwarze 372: static void
1.219 schwarze 373: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 374: {
1.185 schwarze 375: struct roff_node *n;
1.1 kristaps 376:
377: n = mdoc->last;
1.184 schwarze 378: if (n->type != ROFFT_ELEM)
1.1 kristaps 379: n = n->parent;
1.184 schwarze 380: assert(n->type == ROFFT_ELEM);
1.1 kristaps 381: assert(tok == n->tok);
1.149 schwarze 382: rew_last(mdoc, n);
1.1 kristaps 383: }
384:
1.213 schwarze 385: static void
386: break_intermediate(struct roff_node *n, struct roff_node *breaker)
387: {
1.217 schwarze 388: if (n != breaker &&
389: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
390: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
391: n = n->parent;
1.213 schwarze 392: while (n != breaker) {
393: if ( ! (n->flags & NODE_VALID))
394: n->flags |= NODE_BROKEN;
395: n = n->parent;
396: }
397: }
398:
1.83 schwarze 399: /*
1.187 schwarze 400: * If there is an open sub-block of the target requiring
401: * explicit close-out, postpone closing out the target until
402: * the rew_pending() call closing out the sub-block.
403: */
404: static int
1.219 schwarze 405: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.187 schwarze 406: struct roff_node *target)
407: {
408: struct roff_node *n;
409: int irc;
410:
1.215 schwarze 411: if (target->flags & NODE_VALID)
412: return 0;
413:
1.187 schwarze 414: irc = 0;
415: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.213 schwarze 416: if (n->flags & NODE_ENDED)
1.187 schwarze 417: continue;
418: if (n->type == ROFFT_BLOCK &&
1.225 schwarze 419: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.187 schwarze 420: irc = 1;
1.217 schwarze 421: break_intermediate(mdoc->last, target);
1.187 schwarze 422: if (target->type == ROFFT_HEAD)
1.212 schwarze 423: target->flags |= NODE_ENDED;
1.210 schwarze 424: else if ( ! (target->flags & NODE_ENDED)) {
1.227 schwarze 425: mandoc_msg(MANDOCERR_BLK_NEST,
426: line, ppos, "%s breaks %s",
427: roff_name[tok], roff_name[n->tok]);
1.187 schwarze 428: mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 429: tok, target);
1.187 schwarze 430: }
431: }
432: }
1.202 schwarze 433: return irc;
1.187 schwarze 434: }
435:
436: /*
1.105 kristaps 437: * Allocate a word and check whether it's punctuation or not.
438: * Punctuation consists of those tokens found in mdoc_isdelim().
439: */
1.150 schwarze 440: static void
1.189 schwarze 441: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 442: enum mdelim d, int may_append)
1.105 kristaps 443: {
1.131 schwarze 444:
1.150 schwarze 445: if (d == DELIM_MAX)
1.105 kristaps 446: d = mdoc_isdelim(p);
447:
1.123 schwarze 448: if (may_append &&
1.150 schwarze 449: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 450: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 451: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 452: roff_word_append(mdoc, p);
1.150 schwarze 453: return;
1.123 schwarze 454: }
455:
1.192 schwarze 456: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 457:
1.108 schwarze 458: /*
1.144 schwarze 459: * If the word consists of a bare delimiter,
460: * flag the new node accordingly,
461: * unless doing so was vetoed by the invoking macro.
462: * Always clear the veto, it is only valid for one word.
1.108 schwarze 463: */
464:
1.144 schwarze 465: if (d == DELIM_OPEN)
1.210 schwarze 466: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 467: else if (d == DELIM_CLOSE &&
468: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 469: mdoc->last->parent->tok != MDOC_Fd)
1.210 schwarze 470: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 471: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 472: }
1.1 kristaps 473:
1.150 schwarze 474: static void
1.189 schwarze 475: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 476: {
1.153 schwarze 477: char *p;
1.66 kristaps 478: int la;
1.228 schwarze 479: enum margserr ac;
1.1 kristaps 480:
1.150 schwarze 481: if (buf[*pos] == '\0')
482: return;
1.1 kristaps 483:
484: for (;;) {
1.66 kristaps 485: la = *pos;
1.228 schwarze 486: ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p);
487: if (ac == ARGS_EOLN)
1.1 kristaps 488: break;
1.123 schwarze 489: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 490:
491: /*
492: * If we encounter end-of-sentence symbols, then trigger
493: * the double-space.
494: *
1.109 kristaps 495: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 496: * the last symbol, such that `. )' will cause the
497: * correct double-spacing. However, (1) groff isn't
498: * smart enough to do this and (2) it would require
499: * knowing which symbols break this behaviour, for
1.109 kristaps 500: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 501: */
1.150 schwarze 502:
1.127 schwarze 503: if (mandoc_eos(p, strlen(p)))
1.210 schwarze 504: mdoc->last->flags |= NODE_EOS;
1.228 schwarze 505: if (ac == ARGS_ALLOC)
506: free(p);
1.1 kristaps 507: }
508: }
509:
510: /*
1.153 schwarze 511: * Parse one word.
512: * If it is a macro, call it and return 1.
513: * Otherwise, allocate it and return 0.
514: */
515: static int
1.228 schwarze 516: macro_or_word(MACRO_PROT_ARGS, char *p, int parsed)
1.153 schwarze 517: {
1.185 schwarze 518: int ntok;
1.153 schwarze 519:
1.228 schwarze 520: ntok = buf[ppos] == '"' || parsed == 0 ||
521: mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE :
522: lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 523:
1.191 schwarze 524: if (ntok == TOKEN_NONE) {
525: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.225 schwarze 526: mdoc_macro(tok)->flags & MDOC_JOIN);
1.202 schwarze 527: return 0;
1.153 schwarze 528: } else {
1.219 schwarze 529: if (tok != TOKEN_NONE &&
1.225 schwarze 530: mdoc_macro(tok)->fp == in_line_eoln)
1.153 schwarze 531: rew_elem(mdoc, tok);
1.225 schwarze 532: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 533: if (tok == TOKEN_NONE)
1.153 schwarze 534: append_delims(mdoc, line, pos, buf);
1.202 schwarze 535: return 1;
1.153 schwarze 536: }
537: }
538:
539: /*
1.131 schwarze 540: * Close out block partial/full explicit.
1.1 kristaps 541: */
1.151 schwarze 542: static void
1.1 kristaps 543: blk_exp_close(MACRO_PROT_ARGS)
544: {
1.185 schwarze 545: struct roff_node *body; /* Our own body. */
546: struct roff_node *endbody; /* Our own end marker. */
547: struct roff_node *itblk; /* An It block starting later. */
548: struct roff_node *later; /* A sub-block starting later. */
549: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 550: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 551:
1.188 schwarze 552: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 553: enum margserr ac;
1.219 schwarze 554: enum roff_tok atok, ntok;
1.1 kristaps 555: char *p;
556:
1.119 schwarze 557: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 558:
1.1 kristaps 559: switch (tok) {
1.131 schwarze 560: case MDOC_Ec:
1.1 kristaps 561: maxargs = 1;
562: break;
1.131 schwarze 563: case MDOC_Ek:
1.125 schwarze 564: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 565: /* FALLTHROUGH */
1.1 kristaps 566: default:
567: maxargs = 0;
568: break;
569: }
570:
1.209 schwarze 571: /* Search backwards for the beginning of our own body. */
572:
573: atok = rew_alt(tok);
574: body = NULL;
575: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 576: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 577: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
578: continue;
579: body = n;
580: break;
581: }
582:
1.83 schwarze 583: /*
584: * Search backwards for beginnings of blocks,
585: * both of our own and of pending sub-blocks.
586: */
1.151 schwarze 587:
1.209 schwarze 588: endbody = itblk = later = NULL;
1.119 schwarze 589: for (n = mdoc->last; n; n = n->parent) {
1.213 schwarze 590: if (n->flags & NODE_ENDED)
1.83 schwarze 591: continue;
592:
1.209 schwarze 593: /*
1.211 schwarze 594: * Mismatching end macros can never break anything
1.209 schwarze 595: * and we only care about the breaking of BLOCKs.
596: */
1.83 schwarze 597:
1.211 schwarze 598: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 599: continue;
1.160 schwarze 600:
1.211 schwarze 601: /*
602: * SYNOPSIS name blocks can not be broken themselves,
603: * but they do get broken together with a broken child.
604: */
605:
606: if (n->tok == MDOC_Nm) {
607: if (later != NULL)
608: n->flags |= NODE_BROKEN | NODE_ENDED;
609: continue;
610: }
611:
1.160 schwarze 612: if (n->tok == MDOC_It) {
1.171 schwarze 613: itblk = n;
1.160 schwarze 614: continue;
615: }
616:
1.83 schwarze 617: if (atok == n->tok) {
618:
619: /*
620: * Found the start of our own block.
621: * When there is no pending sub block,
622: * just proceed to closing out.
623: */
1.151 schwarze 624:
1.160 schwarze 625: if (later == NULL ||
1.171 schwarze 626: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 627: break;
628:
1.131 schwarze 629: /*
1.167 schwarze 630: * When there is a pending sub block, postpone
631: * closing out the current block until the
632: * rew_pending() closing out the sub-block.
1.83 schwarze 633: * Mark the place where the formatting - but not
634: * the scope - of the current block ends.
635: */
1.151 schwarze 636:
1.227 schwarze 637: mandoc_msg(MANDOCERR_BLK_NEST,
1.183 schwarze 638: line, ppos, "%s breaks %s",
1.219 schwarze 639: roff_name[atok], roff_name[later->tok]);
1.183 schwarze 640:
1.166 schwarze 641: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 642: atok, body);
1.151 schwarze 643:
1.183 schwarze 644: if (tok == MDOC_El)
1.210 schwarze 645: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 646:
1.151 schwarze 647: /*
648: * If a block closing macro taking arguments
649: * breaks another block, put the arguments
1.166 schwarze 650: * into the end marker.
1.151 schwarze 651: */
652:
1.166 schwarze 653: if (maxargs)
1.189 schwarze 654: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 655: break;
1.182 schwarze 656: }
657:
1.214 schwarze 658: /*
659: * Explicit blocks close out description lines, but
660: * even those can get broken together with a child.
661: */
1.182 schwarze 662:
663: if (n->tok == MDOC_Nd) {
1.214 schwarze 664: if (later != NULL)
665: n->flags |= NODE_BROKEN | NODE_ENDED;
666: else
667: rew_last(mdoc, n);
1.182 schwarze 668: continue;
1.83 schwarze 669: }
670:
1.183 schwarze 671: /* Breaking an open sub block. */
1.151 schwarze 672:
1.213 schwarze 673: break_intermediate(mdoc->last, body);
1.210 schwarze 674: n->flags |= NODE_BROKEN;
1.183 schwarze 675: if (later == NULL)
1.83 schwarze 676: later = n;
677: }
1.166 schwarze 678:
679: if (body == NULL) {
1.227 schwarze 680: mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
681: "%s", roff_name[tok]);
1.166 schwarze 682: if (maxargs && endbody == NULL) {
683: /*
684: * Stray .Ec without previous .Eo:
685: * Break the output line, keep the arguments.
686: */
1.221 schwarze 687: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
688: rew_elem(mdoc, ROFF_br);
1.166 schwarze 689: }
690: } else if (endbody == NULL) {
691: rew_last(mdoc, body);
692: if (maxargs)
693: mdoc_tail_alloc(mdoc, line, ppos, atok);
694: }
1.83 schwarze 695:
1.225 schwarze 696: if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
1.150 schwarze 697: if (buf[*pos] != '\0')
1.227 schwarze 698: mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
699: "%s %s", roff_name[tok], buf + *pos);
1.171 schwarze 700: if (endbody == NULL && n != NULL)
1.167 schwarze 701: rew_pending(mdoc, n);
1.231 schwarze 702:
703: /*
704: * Restore the fill mode that was set before the display.
705: * This needs to be done here rather than during validation
706: * such that subsequent nodes get the right flags.
707: */
708:
709: if (tok == MDOC_Ed && body != NULL) {
710: if (body->flags & NODE_NOFILL)
711: mdoc->flags |= ROFF_NOFILL;
712: else
713: mdoc->flags &= ~ROFF_NOFILL;
714: }
1.151 schwarze 715: return;
1.1 kristaps 716: }
717:
1.166 schwarze 718: if (endbody != NULL)
719: n = endbody;
1.197 schwarze 720:
721: ntok = TOKEN_NONE;
1.148 schwarze 722: for (j = 0; ; j++) {
1.1 kristaps 723: lastarg = *pos;
724:
1.186 schwarze 725: if (j == maxargs && n != NULL)
726: rew_last(mdoc, n);
1.1 kristaps 727:
1.119 schwarze 728: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 729: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 730: break;
731:
1.224 schwarze 732: ntok = lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 733:
1.191 schwarze 734: if (ntok == TOKEN_NONE) {
1.150 schwarze 735: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.225 schwarze 736: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 schwarze 737: if (ac == ARGS_ALLOC)
738: free(p);
1.54 kristaps 739: continue;
740: }
1.228 schwarze 741: if (ac == ARGS_ALLOC)
742: free(p);
1.1 kristaps 743:
1.186 schwarze 744: if (n != NULL)
745: rew_last(mdoc, n);
1.122 schwarze 746: mdoc->flags &= ~MDOC_NEWLINE;
1.225 schwarze 747: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 748: break;
1.1 kristaps 749: }
750:
1.188 schwarze 751: if (n != NULL) {
1.212 schwarze 752: pending = 0;
1.210 schwarze 753: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 754: target = n;
755: do
756: target = target->parent;
1.210 schwarze 757: while ( ! (target->flags & NODE_ENDED));
1.215 schwarze 758: pending = find_pending(mdoc, ntok, line, ppos, target);
1.212 schwarze 759: }
1.188 schwarze 760: if ( ! pending)
761: rew_pending(mdoc, n);
762: }
1.150 schwarze 763: if (nl)
764: append_delims(mdoc, line, pos, buf);
1.1 kristaps 765: }
766:
1.151 schwarze 767: static void
1.1 kristaps 768: in_line(MACRO_PROT_ARGS)
769: {
1.144 schwarze 770: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.219 schwarze 771: enum roff_tok ntok;
1.55 kristaps 772: enum margserr ac;
1.67 schwarze 773: enum mdelim d;
1.53 kristaps 774: struct mdoc_arg *arg;
775: char *p;
1.1 kristaps 776:
1.119 schwarze 777: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 778:
1.4 kristaps 779: /*
780: * Whether we allow ignored elements (those without content,
781: * usually because of reserved words) to squeak by.
782: */
1.45 kristaps 783:
1.4 kristaps 784: switch (tok) {
1.131 schwarze 785: case MDOC_An:
786: case MDOC_Ar:
787: case MDOC_Fl:
788: case MDOC_Mt:
789: case MDOC_Nm:
790: case MDOC_Pa:
1.4 kristaps 791: nc = 1;
792: break;
793: default:
794: nc = 0;
795: break;
796: }
797:
1.152 schwarze 798: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 799:
1.144 schwarze 800: d = DELIM_NONE;
801: firstarg = 1;
1.142 schwarze 802: mayopen = 1;
1.70 kristaps 803: for (cnt = scope = 0;; ) {
1.1 kristaps 804: la = *pos;
1.119 schwarze 805: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 806:
1.144 schwarze 807: /*
808: * At the end of a macro line,
809: * opening delimiters do not suppress spacing.
810: */
811:
812: if (ac == ARGS_EOLN) {
813: if (d == DELIM_OPEN)
1.210 schwarze 814: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 815: break;
1.144 schwarze 816: }
817:
818: /*
819: * The rest of the macro line is only punctuation,
820: * to be handled by append_delims().
821: * If there were no other arguments,
822: * do not allow the first one to suppress spacing,
823: * even if it turns out to be a closing one.
824: */
825:
826: if (ac == ARGS_PUNCT) {
1.176 schwarze 827: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 828: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 829: break;
1.144 schwarze 830: }
1.1 kristaps 831:
1.224 schwarze 832: ntok = (tok == MDOC_Fn && !cnt) ?
1.191 schwarze 833: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 834:
1.131 schwarze 835: /*
1.4 kristaps 836: * In this case, we've located a submacro and must
837: * execute it. Close out scope, if open. If no
838: * elements have been generated, either create one (nc)
839: * or raise a warning.
840: */
1.1 kristaps 841:
1.191 schwarze 842: if (ntok != TOKEN_NONE) {
1.149 schwarze 843: if (scope)
844: rew_elem(mdoc, tok);
1.150 schwarze 845: if (nc && ! cnt) {
846: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 847: rew_last(mdoc, mdoc->last);
1.150 schwarze 848: } else if ( ! nc && ! cnt) {
1.7 kristaps 849: mdoc_argv_free(arg);
1.135 schwarze 850: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1.227 schwarze 851: line, ppos, "%s", roff_name[tok]);
1.7 kristaps 852: }
1.225 schwarze 853: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
854: line, la, pos, buf);
1.150 schwarze 855: if (nl)
856: append_delims(mdoc, line, pos, buf);
1.228 schwarze 857: if (ac == ARGS_ALLOC)
858: free(p);
1.151 schwarze 859: return;
1.131 schwarze 860: }
1.1 kristaps 861:
1.131 schwarze 862: /*
1.224 schwarze 863: * Handle punctuation. Set up our scope, if a word;
864: * rewind the scope, if a delimiter; then append the word.
1.4 kristaps 865: */
1.1 kristaps 866:
1.224 schwarze 867: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.70 kristaps 868: /*
869: * If we encounter closing punctuation, no word
1.144 schwarze 870: * has been emitted, no scope is open, and we're
1.70 kristaps 871: * allowed to have an empty element, then start
1.142 schwarze 872: * a new scope.
1.70 kristaps 873: */
1.142 schwarze 874: if ((d == DELIM_CLOSE ||
875: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 876: !cnt && !scope && nc && mayopen) {
1.150 schwarze 877: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 878: scope = 1;
1.142 schwarze 879: cnt++;
1.150 schwarze 880: if (tok == MDOC_Nm)
1.142 schwarze 881: mayopen = 0;
1.70 kristaps 882: }
883: /*
884: * Close out our scope, if one is open, before
885: * any punctuation.
886: */
1.224 schwarze 887: if (scope && tok != MDOC_Lk) {
1.149 schwarze 888: rew_elem(mdoc, tok);
1.224 schwarze 889: scope = 0;
890: if (tok == MDOC_Fn)
891: mayopen = 0;
892: }
1.142 schwarze 893: } else if (mayopen && !scope) {
1.150 schwarze 894: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 895: scope = 1;
1.142 schwarze 896: cnt++;
1.1 kristaps 897: }
1.105 kristaps 898:
1.150 schwarze 899: dword(mdoc, line, la, p, d,
1.225 schwarze 900: mdoc_macro(tok)->flags & MDOC_JOIN);
1.39 kristaps 901:
1.228 schwarze 902: if (ac == ARGS_ALLOC)
903: free(p);
904:
1.39 kristaps 905: /*
1.144 schwarze 906: * If the first argument is a closing delimiter,
907: * do not suppress spacing before it.
908: */
909:
910: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 911: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 912: firstarg = 0;
913:
914: /*
1.39 kristaps 915: * `Fl' macros have their scope re-opened with each new
916: * word so that the `-' can be added to each one without
917: * having to parse out spaces.
918: */
1.150 schwarze 919: if (scope && tok == MDOC_Fl) {
1.149 schwarze 920: rew_elem(mdoc, tok);
1.70 kristaps 921: scope = 0;
1.39 kristaps 922: }
1.1 kristaps 923: }
924:
1.218 schwarze 925: if (scope && tok != MDOC_Lk) {
1.149 schwarze 926: rew_elem(mdoc, tok);
1.218 schwarze 927: scope = 0;
928: }
1.4 kristaps 929:
930: /*
931: * If no elements have been collected and we're allowed to have
932: * empties (nc), open a scope and close it out. Otherwise,
933: * raise a warning.
934: */
1.45 kristaps 935:
1.150 schwarze 936: if ( ! cnt) {
937: if (nc) {
938: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
939: rew_last(mdoc, mdoc->last);
940: } else {
941: mdoc_argv_free(arg);
1.227 schwarze 942: mandoc_msg(MANDOCERR_MACRO_EMPTY,
943: line, ppos, "%s", roff_name[tok]);
1.150 schwarze 944: }
1.7 kristaps 945: }
1.150 schwarze 946: if (nl)
947: append_delims(mdoc, line, pos, buf);
1.218 schwarze 948: if (scope)
949: rew_elem(mdoc, tok);
1.1 kristaps 950: }
951:
1.151 schwarze 952: static void
1.1 kristaps 953: blk_full(MACRO_PROT_ARGS)
954: {
955: struct mdoc_arg *arg;
1.185 schwarze 956: struct roff_node *blk; /* Our own or a broken block. */
957: struct roff_node *head; /* Our own head. */
958: struct roff_node *body; /* Our own body. */
959: struct roff_node *n;
1.231 schwarze 960: char *p;
961: size_t iarg;
962: int done, la, nl, parsed;
1.59 kristaps 963: enum margserr ac, lac;
1.1 kristaps 964:
1.119 schwarze 965: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 966:
1.177 schwarze 967: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
1.227 schwarze 968: mandoc_msg(MANDOCERR_MACRO_EMPTY,
969: line, ppos, "%s", roff_name[tok]);
1.177 schwarze 970: return;
971: }
972:
1.225 schwarze 973: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.171 schwarze 974:
975: /* Here, tok is one of Sh Ss Nm Nd It. */
976:
977: blk = NULL;
978: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 979: if (n->flags & NODE_ENDED) {
980: if ( ! (n->flags & NODE_VALID))
981: n->flags |= NODE_BROKEN;
1.183 schwarze 982: continue;
983: }
1.184 schwarze 984: if (n->type != ROFFT_BLOCK)
1.171 schwarze 985: continue;
1.183 schwarze 986:
1.171 schwarze 987: if (tok == MDOC_It && n->tok == MDOC_Bl) {
988: if (blk != NULL) {
1.227 schwarze 989: mandoc_msg(MANDOCERR_BLK_BROKEN,
990: line, ppos, "It breaks %s",
1.219 schwarze 991: roff_name[blk->tok]);
1.171 schwarze 992: rew_pending(mdoc, blk);
993: }
994: break;
995: }
996:
1.225 schwarze 997: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.171 schwarze 998: switch (tok) {
999: case MDOC_Sh:
1000: case MDOC_Ss:
1.227 schwarze 1001: mandoc_msg(MANDOCERR_BLK_BROKEN,
1002: line, ppos,
1.219 schwarze 1003: "%s breaks %s", roff_name[tok],
1004: roff_name[n->tok]);
1.171 schwarze 1005: rew_pending(mdoc, n);
1.180 schwarze 1006: n = mdoc->last;
1.171 schwarze 1007: continue;
1008: case MDOC_It:
1009: /* Delay in case it's astray. */
1010: blk = n;
1011: continue;
1012: default:
1013: break;
1014: }
1015: break;
1016: }
1017:
1018: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 1019:
1.171 schwarze 1020: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1021: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1022: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 1023: break;
1.171 schwarze 1024:
1025: /* Item breaking an explicit block. */
1026:
1027: if (blk != NULL) {
1.227 schwarze 1028: mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
1.219 schwarze 1029: "It breaks %s", roff_name[blk->tok]);
1.171 schwarze 1030: rew_pending(mdoc, blk);
1.172 schwarze 1031: blk = NULL;
1.171 schwarze 1032: }
1033:
1034: /* Close out prior implicit scopes. */
1035:
1.211 schwarze 1036: rew_pending(mdoc, n);
1.171 schwarze 1037: }
1038:
1039: /* Skip items outside lists. */
1040:
1041: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.227 schwarze 1042: mandoc_msg(MANDOCERR_IT_STRAY,
1.138 schwarze 1043: line, ppos, "It %s", buf + *pos);
1.221 schwarze 1044: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1045: rew_elem(mdoc, ROFF_br);
1.151 schwarze 1046: return;
1.138 schwarze 1047: }
1.1 kristaps 1048: }
1049:
1.45 kristaps 1050: /*
1.109 kristaps 1051: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1052: * macro openings. Implicit ones first close out prior scope
1053: * (seen above). Delay opening the head until necessary to
1054: * allow leading punctuation to print. Special consideration
1055: * for `It -column', which has phrase-part syntax instead of
1056: * regular child nodes.
1057: */
1058:
1.232 schwarze 1059: switch (tok) {
1060: case MDOC_Sh:
1.231 schwarze 1061: mdoc->flags &= ~ROFF_NOFILL;
1.232 schwarze 1062: break;
1063: case MDOC_Ss:
1064: mdoc->flags |= ROFF_NONOFILL;
1065: break;
1066: default:
1067: break;
1068: }
1.152 schwarze 1069: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1070: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1071: head = body = NULL;
1.115 schwarze 1072:
1073: /*
1074: * Exception: Heads of `It' macros in `-diag' lists are not
1075: * parsed, even though `It' macros in general are parsed.
1076: */
1.151 schwarze 1077:
1.153 schwarze 1078: parsed = tok != MDOC_It ||
1079: mdoc->last->parent->tok != MDOC_Bl ||
1080: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1081:
1.45 kristaps 1082: /*
1083: * The `Nd' macro has all arguments in its body: it's a hybrid
1084: * of block partial-explicit and full-implicit. Stupid.
1085: */
1.19 kristaps 1086:
1.150 schwarze 1087: if (tok == MDOC_Nd) {
1.190 schwarze 1088: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1089: rew_last(mdoc, head);
1.190 schwarze 1090: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1091: }
1092:
1.150 schwarze 1093: if (tok == MDOC_Bk)
1.123 schwarze 1094: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1095:
1.205 schwarze 1096: ac = ARGS_EOLN;
1.150 schwarze 1097: for (;;) {
1.205 schwarze 1098:
1099: /*
1100: * If we are right after a tab character,
1101: * do not parse the first word for macros.
1102: */
1103:
1104: if (mdoc->flags & MDOC_PHRASEQN) {
1105: mdoc->flags &= ~MDOC_PHRASEQN;
1106: mdoc->flags |= MDOC_PHRASEQF;
1107: }
1108:
1.45 kristaps 1109: la = *pos;
1.150 schwarze 1110: lac = ac;
1.119 schwarze 1111: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1112: if (ac == ARGS_EOLN) {
1.205 schwarze 1113: if (lac != ARGS_PHRASE ||
1114: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1115: break;
1.205 schwarze 1116:
1.75 kristaps 1117: /*
1.205 schwarze 1118: * This line ends in a tab; start the next
1119: * column now, with a leading blank.
1.75 kristaps 1120: */
1.205 schwarze 1121:
1.167 schwarze 1122: if (body != NULL)
1123: rew_last(mdoc, body);
1.190 schwarze 1124: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1125: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1126: break;
1.75 kristaps 1127: }
1.205 schwarze 1128:
1.174 schwarze 1129: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1.227 schwarze 1130: mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
1131: "%s ... %s", roff_name[tok], buf + la);
1.228 schwarze 1132: if (ac == ARGS_ALLOC)
1133: free(p);
1.174 schwarze 1134: break;
1135: }
1.173 schwarze 1136: if (tok == MDOC_Rs) {
1.227 schwarze 1137: mandoc_msg(MANDOCERR_ARG_SKIP,
1.173 schwarze 1138: line, la, "Rs %s", buf + la);
1.228 schwarze 1139: if (ac == ARGS_ALLOC)
1140: free(p);
1.173 schwarze 1141: break;
1142: }
1143: if (ac == ARGS_PUNCT)
1144: break;
1.45 kristaps 1145:
1.131 schwarze 1146: /*
1.73 kristaps 1147: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1148: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1149: */
1.45 kristaps 1150:
1.150 schwarze 1151: if (head == NULL &&
1152: ac != ARGS_PHRASE &&
1153: mdoc_isdelim(p) == DELIM_OPEN) {
1154: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1155: if (ac == ARGS_ALLOC)
1156: free(p);
1.45 kristaps 1157: continue;
1158: }
1159:
1.74 kristaps 1160: /* Open a head if one hasn't been opened. */
1.45 kristaps 1161:
1.150 schwarze 1162: if (head == NULL)
1.190 schwarze 1163: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1164:
1.205 schwarze 1165: if (ac == ARGS_PHRASE) {
1.151 schwarze 1166:
1.73 kristaps 1167: /*
1.74 kristaps 1168: * If we haven't opened a body yet, rewind the
1169: * head; if we have, rewind that instead.
1170: */
1171:
1.167 schwarze 1172: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1173: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1174:
1.205 schwarze 1175: /* Process to the tab or to the end of the line. */
1.74 kristaps 1176:
1.205 schwarze 1177: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1178: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1179: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1180:
1181: /* There may have been `Ta' macros. */
1182:
1183: while (body->next != NULL)
1184: body = body->next;
1.1 kristaps 1185: continue;
1186: }
1187:
1.228 schwarze 1188: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
1189: if (ac == ARGS_ALLOC)
1190: free(p);
1191: if (done)
1.151 schwarze 1192: break;
1.45 kristaps 1193: }
1.1 kristaps 1194:
1.210 schwarze 1195: if (blk->flags & NODE_VALID)
1.165 schwarze 1196: return;
1.150 schwarze 1197: if (head == NULL)
1.190 schwarze 1198: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1199: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1200: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1201: if (body != NULL)
1.77 kristaps 1202: goto out;
1.187 schwarze 1203: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1204: return;
1.47 kristaps 1205:
1.45 kristaps 1206: /* Close out scopes to remain in a consistent state. */
1207:
1.167 schwarze 1208: rew_last(mdoc, head);
1.190 schwarze 1209: body = roff_body_alloc(mdoc, line, ppos, tok);
1.232 schwarze 1210: if (tok == MDOC_Ss)
1211: mdoc->flags &= ~ROFF_NONOFILL;
1.231 schwarze 1212:
1213: /*
1214: * Set up fill mode for display blocks.
1215: * This needs to be done here up front rather than during
1216: * validation such that child nodes get the right flags.
1217: */
1218:
1219: if (tok == MDOC_Bd && arg != NULL) {
1220: for (iarg = 0; iarg < arg->argc; iarg++) {
1221: switch (arg->argv[iarg].arg) {
1222: case MDOC_Unfilled:
1223: case MDOC_Literal:
1224: mdoc->flags |= ROFF_NOFILL;
1225: break;
1226: case MDOC_Filled:
1227: case MDOC_Ragged:
1228: case MDOC_Centred:
1229: mdoc->flags &= ~ROFF_NOFILL;
1230: break;
1231: default:
1232: continue;
1233: }
1234: break;
1235: }
1236: }
1.77 kristaps 1237: out:
1.150 schwarze 1238: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1239: rew_last(mdoc, body);
1240: rew_last(mdoc, blk);
1.150 schwarze 1241: mdoc->flags &= ~MDOC_FREECOL;
1242: }
1.1 kristaps 1243: }
1244:
1.151 schwarze 1245: static void
1.1 kristaps 1246: blk_part_imp(MACRO_PROT_ARGS)
1247: {
1.228 schwarze 1248: int done, la, nl;
1.55 kristaps 1249: enum margserr ac;
1.1 kristaps 1250: char *p;
1.185 schwarze 1251: struct roff_node *blk; /* saved block context */
1252: struct roff_node *body; /* saved body context */
1253: struct roff_node *n;
1.1 kristaps 1254:
1.119 schwarze 1255: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1256:
1.43 kristaps 1257: /*
1258: * A macro that spans to the end of the line. This is generally
1259: * (but not necessarily) called as the first macro. The block
1260: * has a head as the immediate child, which is always empty,
1261: * followed by zero or more opening punctuation nodes, then the
1262: * body (which may be empty, depending on the macro), then zero
1263: * or more closing punctuation nodes.
1264: */
1.32 kristaps 1265:
1.150 schwarze 1266: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1267: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1268:
1.43 kristaps 1269: /*
1270: * Open the body scope "on-demand", that is, after we've
1271: * processed all our the leading delimiters (open parenthesis,
1272: * etc.).
1273: */
1.1 kristaps 1274:
1.43 kristaps 1275: for (body = NULL; ; ) {
1.32 kristaps 1276: la = *pos;
1.119 schwarze 1277: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1278: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1279: break;
1280:
1.224 schwarze 1281: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1282: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1283: if (ac == ARGS_ALLOC)
1284: free(p);
1.1 kristaps 1285: continue;
1.123 schwarze 1286: }
1.1 kristaps 1287:
1.150 schwarze 1288: if (body == NULL)
1.190 schwarze 1289: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1290:
1.228 schwarze 1291: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1292: if (ac == ARGS_ALLOC)
1293: free(p);
1294: if (done)
1.151 schwarze 1295: break;
1.1 kristaps 1296: }
1.150 schwarze 1297: if (body == NULL)
1.190 schwarze 1298: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1299:
1.187 schwarze 1300: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1301: return;
1302:
1.164 schwarze 1303: rew_last(mdoc, body);
1.150 schwarze 1304: if (nl)
1305: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1306: rew_pending(mdoc, blk);
1.117 schwarze 1307:
1308: /* Move trailing .Ns out of scope. */
1309:
1310: for (n = body->child; n && n->next; n = n->next)
1311: /* Do nothing. */ ;
1.150 schwarze 1312: if (n && n->tok == MDOC_Ns)
1.226 schwarze 1313: roff_node_relink(mdoc, n);
1.1 kristaps 1314: }
1315:
1.151 schwarze 1316: static void
1.1 kristaps 1317: blk_part_exp(MACRO_PROT_ARGS)
1318: {
1.228 schwarze 1319: int done, la, nl;
1.55 kristaps 1320: enum margserr ac;
1.185 schwarze 1321: struct roff_node *head; /* keep track of head */
1.1 kristaps 1322: char *p;
1323:
1.119 schwarze 1324: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1325:
1.43 kristaps 1326: /*
1327: * The opening of an explicit macro having zero or more leading
1328: * punctuation nodes; a head with optional single element (the
1329: * case of `Eo'); and a body that may be empty.
1330: */
1.32 kristaps 1331:
1.193 schwarze 1332: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1333: head = NULL;
1334: for (;;) {
1.32 kristaps 1335: la = *pos;
1.119 schwarze 1336: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1337: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1338: break;
1.43 kristaps 1339:
1340: /* Flush out leading punctuation. */
1341:
1.224 schwarze 1342: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1343: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1344: if (ac == ARGS_ALLOC)
1345: free(p);
1.43 kristaps 1346: continue;
1.123 schwarze 1347: }
1.43 kristaps 1348:
1.150 schwarze 1349: if (head == NULL) {
1.190 schwarze 1350: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1351: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1352: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1353: rew_last(mdoc, head);
1.190 schwarze 1354: roff_body_alloc(mdoc, line, ppos, tok);
1.228 schwarze 1355: if (tok == MDOC_Eo) {
1356: if (ac == ARGS_ALLOC)
1357: free(p);
1.43 kristaps 1358: continue;
1.228 schwarze 1359: }
1.1 kristaps 1360: }
1.43 kristaps 1361:
1.228 schwarze 1362: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1363: if (ac == ARGS_ALLOC)
1364: free(p);
1365: if (done)
1.151 schwarze 1366: break;
1.1 kristaps 1367: }
1368:
1.43 kristaps 1369: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1370:
1.163 schwarze 1371: if (head == NULL) {
1.190 schwarze 1372: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1373: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1374: }
1.150 schwarze 1375: if (nl)
1376: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1377: }
1378:
1.151 schwarze 1379: static void
1.1 kristaps 1380: in_line_argn(MACRO_PROT_ARGS)
1381: {
1.53 kristaps 1382: struct mdoc_arg *arg;
1383: char *p;
1.181 schwarze 1384: enum margserr ac;
1.219 schwarze 1385: enum roff_tok ntok;
1.181 schwarze 1386: int state; /* arg#; -1: not yet open; -2: closed */
1387: int la, maxargs, nl;
1.1 kristaps 1388:
1.156 schwarze 1389: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1390:
1.46 kristaps 1391: /*
1392: * A line macro that has a fixed number of arguments (maxargs).
1393: * Only open the scope once the first non-leading-punctuation is
1394: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1395: * keep it open until the maximum number of arguments are
1396: * exhausted.
1397: */
1.1 kristaps 1398:
1399: switch (tok) {
1.131 schwarze 1400: case MDOC_Ap:
1401: case MDOC_Ns:
1402: case MDOC_Ux:
1.1 kristaps 1403: maxargs = 0;
1404: break;
1.131 schwarze 1405: case MDOC_Bx:
1.132 schwarze 1406: case MDOC_Es:
1.131 schwarze 1407: case MDOC_Xr:
1.42 kristaps 1408: maxargs = 2;
1409: break;
1.1 kristaps 1410: default:
1411: maxargs = 1;
1412: break;
1413: }
1414:
1.152 schwarze 1415: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1416:
1.181 schwarze 1417: state = -1;
1.156 schwarze 1418: p = NULL;
1419: for (;;) {
1.32 kristaps 1420: la = *pos;
1.119 schwarze 1421: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1422:
1.228 schwarze 1423: if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
1.225 schwarze 1424: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.181 schwarze 1425: mdoc_isdelim(p) == DELIM_OPEN) {
1426: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1427: if (ac == ARGS_ALLOC)
1428: free(p);
1.181 schwarze 1429: continue;
1430: }
1431:
1432: if (state == -1 && tok != MDOC_In &&
1433: tok != MDOC_St && tok != MDOC_Xr) {
1434: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1435: state = 0;
1436: }
1437:
1.156 schwarze 1438: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1439: if (abs(state) < 2 && tok == MDOC_Pf)
1.227 schwarze 1440: mandoc_msg(MANDOCERR_PF_SKIP,
1441: line, ppos, "Pf %s",
1.156 schwarze 1442: p == NULL ? "at eol" : p);
1.1 kristaps 1443: break;
1.156 schwarze 1444: }
1.1 kristaps 1445:
1.181 schwarze 1446: if (state == maxargs) {
1.149 schwarze 1447: rew_elem(mdoc, tok);
1.181 schwarze 1448: state = -2;
1.46 kristaps 1449: }
1450:
1.224 schwarze 1451: ntok = (tok == MDOC_Pf && state == 0) ?
1.191 schwarze 1452: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1453:
1.191 schwarze 1454: if (ntok != TOKEN_NONE) {
1.181 schwarze 1455: if (state >= 0) {
1.149 schwarze 1456: rew_elem(mdoc, tok);
1.181 schwarze 1457: state = -2;
1458: }
1.225 schwarze 1459: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
1460: line, la, pos, buf);
1.228 schwarze 1461: if (ac == ARGS_ALLOC)
1462: free(p);
1.1 kristaps 1463: break;
1464: }
1465:
1.225 schwarze 1466: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.181 schwarze 1467: mdoc_isdelim(p) == DELIM_NONE) {
1468: if (state == -1) {
1469: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1470: state = 1;
1471: } else if (state >= 0)
1472: state++;
1473: } else if (state >= 0) {
1.149 schwarze 1474: rew_elem(mdoc, tok);
1.181 schwarze 1475: state = -2;
1.1 kristaps 1476: }
1.42 kristaps 1477:
1.150 schwarze 1478: dword(mdoc, line, la, p, DELIM_MAX,
1.225 schwarze 1479: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 schwarze 1480: if (ac == ARGS_ALLOC)
1481: free(p);
1482: p = mdoc->last->string;
1.1 kristaps 1483: }
1484:
1.181 schwarze 1485: if (state == -1) {
1.227 schwarze 1486: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1487: line, ppos, "%s", roff_name[tok]);
1.181 schwarze 1488: return;
1.156 schwarze 1489: }
1.181 schwarze 1490:
1491: if (state == 0 && tok == MDOC_Pf)
1492: append_delims(mdoc, line, pos, buf);
1493: if (state >= 0)
1.149 schwarze 1494: rew_elem(mdoc, tok);
1.150 schwarze 1495: if (nl)
1496: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1497: }
1498:
1.151 schwarze 1499: static void
1.1 kristaps 1500: in_line_eoln(MACRO_PROT_ARGS)
1501: {
1.185 schwarze 1502: struct roff_node *n;
1.170 schwarze 1503: struct mdoc_arg *arg;
1.1 kristaps 1504:
1.170 schwarze 1505: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1506: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1507: n = mdoc->last;
1.189 schwarze 1508: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1509: n = n->parent;
1510: if (n->tok == MDOC_Nm)
1.198 schwarze 1511: rew_last(mdoc, n->parent);
1.178 schwarze 1512: }
1513:
1.179 schwarze 1514: if (buf[*pos] == '\0' &&
1.219 schwarze 1515: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.227 schwarze 1516: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1517: line, ppos, "%s", roff_name[tok]);
1.178 schwarze 1518: return;
1.170 schwarze 1519: }
1.90 schwarze 1520:
1.152 schwarze 1521: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1522: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1523: if (parse_rest(mdoc, tok, line, pos, buf))
1524: return;
1525: rew_elem(mdoc, tok);
1526: }
1527:
1528: /*
1529: * The simplest argument parser available: Parse the remaining
1530: * words until the end of the phrase or line and return 0
1531: * or until the next macro, call that macro, and return 1.
1532: */
1533: static int
1.219 schwarze 1534: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1535: int line, int *pos, char *buf)
1.154 schwarze 1536: {
1.228 schwarze 1537: char *p;
1538: int done, la;
1539: enum margserr ac;
1.1 kristaps 1540:
1541: for (;;) {
1542: la = *pos;
1.228 schwarze 1543: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1544: if (ac == ARGS_EOLN)
1.202 schwarze 1545: return 0;
1.228 schwarze 1546: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1547: if (ac == ARGS_ALLOC)
1548: free(p);
1549: if (done)
1.202 schwarze 1550: return 1;
1.1 kristaps 1551: }
1552: }
1553:
1.151 schwarze 1554: static void
1.41 kristaps 1555: ctx_synopsis(MACRO_PROT_ARGS)
1556: {
1.60 kristaps 1557:
1.151 schwarze 1558: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1559: in_line(mdoc, tok, line, ppos, pos, buf);
1560: else if (tok == MDOC_Nm)
1561: blk_full(mdoc, tok, line, ppos, pos, buf);
1562: else {
1563: assert(tok == MDOC_Vt);
1564: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1565: }
1.1 kristaps 1566: }
1567:
1.24 kristaps 1568: /*
1569: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1570: * They're unusual because they're basically free-form text until a
1571: * macro is encountered.
1572: */
1.151 schwarze 1573: static void
1.75 kristaps 1574: phrase_ta(MACRO_PROT_ARGS)
1575: {
1.185 schwarze 1576: struct roff_node *body, *n;
1.75 kristaps 1577:
1.121 schwarze 1578: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1579:
1.167 schwarze 1580: body = NULL;
1581: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1582: if (n->flags & NODE_ENDED)
1.167 schwarze 1583: continue;
1.184 schwarze 1584: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1585: body = n;
1.208 schwarze 1586: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1587: break;
1588: }
1589:
1.151 schwarze 1590: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.227 schwarze 1591: mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
1.151 schwarze 1592: return;
1.121 schwarze 1593: }
1.75 kristaps 1594:
1.121 schwarze 1595: /* Advance to the next column. */
1.150 schwarze 1596:
1.167 schwarze 1597: rew_last(mdoc, body);
1.190 schwarze 1598: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1599: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1600: }
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