Annotation of mandoc/mdoc_macro.c, Revision 1.228
1.228 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.227 2018/12/14 05:18:02 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.225 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
1.8 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] = {
1.1 kristaps 64: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
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 */
1.1 kristaps 203: };
204:
205:
1.225 schwarze 206: const struct mdoc_macro *
207: mdoc_macro(enum roff_tok tok)
208: {
209: assert(tok >= MDOC_Dd && tok < MDOC_MAX);
210: return mdoc_macros + (tok - MDOC_Dd);
211: }
212:
1.1 kristaps 213: /*
214: * This is called at the end of parsing. It must traverse up the tree,
215: * closing out open [implicit] scopes. Obviously, open explicit scopes
216: * are errors.
217: */
1.151 schwarze 218: void
1.195 schwarze 219: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 220: {
1.185 schwarze 221: struct roff_node *n;
1.1 kristaps 222:
223: /* Scan for open explicit scopes. */
224:
1.210 schwarze 225: n = mdoc->last->flags & NODE_VALID ?
1.131 schwarze 226: mdoc->last->parent : mdoc->last;
1.1 kristaps 227:
1.94 schwarze 228: for ( ; n; n = n->parent)
1.184 schwarze 229: if (n->type == ROFFT_BLOCK &&
1.225 schwarze 230: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT)
1.227 schwarze 231: mandoc_msg(MANDOCERR_BLK_NOEND,
232: n->line, n->pos, "%s", roff_name[n->tok]);
1.1 kristaps 233:
1.32 kristaps 234: /* Rewind to the first. */
235:
1.149 schwarze 236: rew_last(mdoc, mdoc->first);
1.206 schwarze 237: mdoc_state_reset(mdoc);
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);
1.207 schwarze 299: break;
1.194 schwarze 300: case ROFFT_BLOCK:
301: break;
302: default:
303: return;
304: }
1.210 schwarze 305: if ( ! (n->flags & NODE_BROKEN))
1.194 schwarze 306: return;
307: } else
308: n = mdoc->last;
1.166 schwarze 309:
1.183 schwarze 310: for (;;) {
311: if ((n = n->parent) == NULL)
312: return;
313:
1.184 schwarze 314: if (n->type == ROFFT_BLOCK ||
315: n->type == ROFFT_HEAD) {
1.210 schwarze 316: if (n->flags & NODE_ENDED)
1.183 schwarze 317: break;
318: else
319: return;
320: }
321: }
1.166 schwarze 322: }
323: }
324:
325: /*
1.84 schwarze 326: * For a block closing macro, return the corresponding opening one.
327: * Otherwise, return the macro itself.
1.32 kristaps 328: */
1.219 schwarze 329: static enum roff_tok
330: rew_alt(enum roff_tok tok)
1.1 kristaps 331: {
332: switch (tok) {
1.131 schwarze 333: case MDOC_Ac:
1.202 schwarze 334: return MDOC_Ao;
1.131 schwarze 335: case MDOC_Bc:
1.202 schwarze 336: return MDOC_Bo;
1.131 schwarze 337: case MDOC_Brc:
1.202 schwarze 338: return MDOC_Bro;
1.131 schwarze 339: case MDOC_Dc:
1.202 schwarze 340: return MDOC_Do;
1.131 schwarze 341: case MDOC_Ec:
1.202 schwarze 342: return MDOC_Eo;
1.131 schwarze 343: case MDOC_Ed:
1.202 schwarze 344: return MDOC_Bd;
1.131 schwarze 345: case MDOC_Ef:
1.202 schwarze 346: return MDOC_Bf;
1.131 schwarze 347: case MDOC_Ek:
1.202 schwarze 348: return MDOC_Bk;
1.131 schwarze 349: case MDOC_El:
1.202 schwarze 350: return MDOC_Bl;
1.131 schwarze 351: case MDOC_Fc:
1.202 schwarze 352: return MDOC_Fo;
1.131 schwarze 353: case MDOC_Oc:
1.202 schwarze 354: return MDOC_Oo;
1.131 schwarze 355: case MDOC_Pc:
1.202 schwarze 356: return MDOC_Po;
1.131 schwarze 357: case MDOC_Qc:
1.202 schwarze 358: return MDOC_Qo;
1.131 schwarze 359: case MDOC_Re:
1.202 schwarze 360: return MDOC_Rs;
1.131 schwarze 361: case MDOC_Sc:
1.202 schwarze 362: return MDOC_So;
1.131 schwarze 363: case MDOC_Xc:
1.202 schwarze 364: return MDOC_Xo;
1.1 kristaps 365: default:
1.202 schwarze 366: return tok;
1.1 kristaps 367: }
368: }
369:
1.149 schwarze 370: static void
1.219 schwarze 371: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 372: {
1.185 schwarze 373: struct roff_node *n;
1.1 kristaps 374:
375: n = mdoc->last;
1.184 schwarze 376: if (n->type != ROFFT_ELEM)
1.1 kristaps 377: n = n->parent;
1.184 schwarze 378: assert(n->type == ROFFT_ELEM);
1.1 kristaps 379: assert(tok == n->tok);
1.149 schwarze 380: rew_last(mdoc, n);
1.1 kristaps 381: }
382:
1.213 schwarze 383: static void
384: break_intermediate(struct roff_node *n, struct roff_node *breaker)
385: {
1.217 schwarze 386: if (n != breaker &&
387: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
388: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
389: n = n->parent;
1.213 schwarze 390: while (n != breaker) {
391: if ( ! (n->flags & NODE_VALID))
392: n->flags |= NODE_BROKEN;
393: n = n->parent;
394: }
395: }
396:
1.83 schwarze 397: /*
1.187 schwarze 398: * If there is an open sub-block of the target requiring
399: * explicit close-out, postpone closing out the target until
400: * the rew_pending() call closing out the sub-block.
401: */
402: static int
1.219 schwarze 403: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.187 schwarze 404: struct roff_node *target)
405: {
406: struct roff_node *n;
407: int irc;
408:
1.215 schwarze 409: if (target->flags & NODE_VALID)
410: return 0;
411:
1.187 schwarze 412: irc = 0;
413: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.213 schwarze 414: if (n->flags & NODE_ENDED)
1.187 schwarze 415: continue;
416: if (n->type == ROFFT_BLOCK &&
1.225 schwarze 417: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.187 schwarze 418: irc = 1;
1.217 schwarze 419: break_intermediate(mdoc->last, target);
1.187 schwarze 420: if (target->type == ROFFT_HEAD)
1.212 schwarze 421: target->flags |= NODE_ENDED;
1.210 schwarze 422: else if ( ! (target->flags & NODE_ENDED)) {
1.227 schwarze 423: mandoc_msg(MANDOCERR_BLK_NEST,
424: line, ppos, "%s breaks %s",
425: roff_name[tok], roff_name[n->tok]);
1.187 schwarze 426: mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 427: tok, target);
1.187 schwarze 428: }
429: }
430: }
1.202 schwarze 431: return irc;
1.187 schwarze 432: }
433:
434: /*
1.105 kristaps 435: * Allocate a word and check whether it's punctuation or not.
436: * Punctuation consists of those tokens found in mdoc_isdelim().
437: */
1.150 schwarze 438: static void
1.189 schwarze 439: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 440: enum mdelim d, int may_append)
1.105 kristaps 441: {
1.131 schwarze 442:
1.150 schwarze 443: if (d == DELIM_MAX)
1.105 kristaps 444: d = mdoc_isdelim(p);
445:
1.123 schwarze 446: if (may_append &&
1.150 schwarze 447: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 448: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 449: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 450: roff_word_append(mdoc, p);
1.150 schwarze 451: return;
1.123 schwarze 452: }
453:
1.192 schwarze 454: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 455:
1.108 schwarze 456: /*
1.144 schwarze 457: * If the word consists of a bare delimiter,
458: * flag the new node accordingly,
459: * unless doing so was vetoed by the invoking macro.
460: * Always clear the veto, it is only valid for one word.
1.108 schwarze 461: */
462:
1.144 schwarze 463: if (d == DELIM_OPEN)
1.210 schwarze 464: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 465: else if (d == DELIM_CLOSE &&
466: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 467: mdoc->last->parent->tok != MDOC_Fd)
1.210 schwarze 468: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 469: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 470: }
1.1 kristaps 471:
1.150 schwarze 472: static void
1.189 schwarze 473: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 474: {
1.153 schwarze 475: char *p;
1.66 kristaps 476: int la;
1.228 ! schwarze 477: enum margserr ac;
1.1 kristaps 478:
1.150 schwarze 479: if (buf[*pos] == '\0')
480: return;
1.1 kristaps 481:
482: for (;;) {
1.66 kristaps 483: la = *pos;
1.228 ! schwarze 484: ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p);
! 485: if (ac == ARGS_EOLN)
1.1 kristaps 486: break;
1.123 schwarze 487: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 488:
489: /*
490: * If we encounter end-of-sentence symbols, then trigger
491: * the double-space.
492: *
1.109 kristaps 493: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 494: * the last symbol, such that `. )' will cause the
495: * correct double-spacing. However, (1) groff isn't
496: * smart enough to do this and (2) it would require
497: * knowing which symbols break this behaviour, for
1.109 kristaps 498: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 499: */
1.150 schwarze 500:
1.127 schwarze 501: if (mandoc_eos(p, strlen(p)))
1.210 schwarze 502: mdoc->last->flags |= NODE_EOS;
1.228 ! schwarze 503: if (ac == ARGS_ALLOC)
! 504: free(p);
1.1 kristaps 505: }
506: }
507:
508: /*
1.153 schwarze 509: * Parse one word.
510: * If it is a macro, call it and return 1.
511: * Otherwise, allocate it and return 0.
512: */
513: static int
1.228 ! schwarze 514: macro_or_word(MACRO_PROT_ARGS, char *p, int parsed)
1.153 schwarze 515: {
1.185 schwarze 516: int ntok;
1.153 schwarze 517:
1.228 ! schwarze 518: ntok = buf[ppos] == '"' || parsed == 0 ||
! 519: mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE :
! 520: lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 521:
1.191 schwarze 522: if (ntok == TOKEN_NONE) {
523: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.225 schwarze 524: mdoc_macro(tok)->flags & MDOC_JOIN);
1.202 schwarze 525: return 0;
1.153 schwarze 526: } else {
1.219 schwarze 527: if (tok != TOKEN_NONE &&
1.225 schwarze 528: mdoc_macro(tok)->fp == in_line_eoln)
1.153 schwarze 529: rew_elem(mdoc, tok);
1.225 schwarze 530: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 531: if (tok == TOKEN_NONE)
1.153 schwarze 532: append_delims(mdoc, line, pos, buf);
1.202 schwarze 533: return 1;
1.153 schwarze 534: }
535: }
536:
537: /*
1.131 schwarze 538: * Close out block partial/full explicit.
1.1 kristaps 539: */
1.151 schwarze 540: static void
1.1 kristaps 541: blk_exp_close(MACRO_PROT_ARGS)
542: {
1.185 schwarze 543: struct roff_node *body; /* Our own body. */
544: struct roff_node *endbody; /* Our own end marker. */
545: struct roff_node *itblk; /* An It block starting later. */
546: struct roff_node *later; /* A sub-block starting later. */
547: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 548: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 549:
1.188 schwarze 550: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 551: enum margserr ac;
1.219 schwarze 552: enum roff_tok atok, ntok;
1.1 kristaps 553: char *p;
554:
1.119 schwarze 555: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 556:
1.1 kristaps 557: switch (tok) {
1.131 schwarze 558: case MDOC_Ec:
1.1 kristaps 559: maxargs = 1;
560: break;
1.131 schwarze 561: case MDOC_Ek:
1.125 schwarze 562: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 563: /* FALLTHROUGH */
1.1 kristaps 564: default:
565: maxargs = 0;
566: break;
567: }
568:
1.209 schwarze 569: /* Search backwards for the beginning of our own body. */
570:
571: atok = rew_alt(tok);
572: body = NULL;
573: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 574: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 575: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
576: continue;
577: body = n;
578: break;
579: }
580:
1.83 schwarze 581: /*
582: * Search backwards for beginnings of blocks,
583: * both of our own and of pending sub-blocks.
584: */
1.151 schwarze 585:
1.209 schwarze 586: endbody = itblk = later = NULL;
1.119 schwarze 587: for (n = mdoc->last; n; n = n->parent) {
1.213 schwarze 588: if (n->flags & NODE_ENDED)
1.83 schwarze 589: continue;
590:
1.209 schwarze 591: /*
1.211 schwarze 592: * Mismatching end macros can never break anything
1.209 schwarze 593: * and we only care about the breaking of BLOCKs.
594: */
1.83 schwarze 595:
1.211 schwarze 596: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 597: continue;
1.160 schwarze 598:
1.211 schwarze 599: /*
600: * SYNOPSIS name blocks can not be broken themselves,
601: * but they do get broken together with a broken child.
602: */
603:
604: if (n->tok == MDOC_Nm) {
605: if (later != NULL)
606: n->flags |= NODE_BROKEN | NODE_ENDED;
607: continue;
608: }
609:
1.160 schwarze 610: if (n->tok == MDOC_It) {
1.171 schwarze 611: itblk = n;
1.160 schwarze 612: continue;
613: }
614:
1.83 schwarze 615: if (atok == n->tok) {
616:
617: /*
618: * Found the start of our own block.
619: * When there is no pending sub block,
620: * just proceed to closing out.
621: */
1.151 schwarze 622:
1.160 schwarze 623: if (later == NULL ||
1.171 schwarze 624: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 625: break;
626:
1.131 schwarze 627: /*
1.167 schwarze 628: * When there is a pending sub block, postpone
629: * closing out the current block until the
630: * rew_pending() closing out the sub-block.
1.83 schwarze 631: * Mark the place where the formatting - but not
632: * the scope - of the current block ends.
633: */
1.151 schwarze 634:
1.227 schwarze 635: mandoc_msg(MANDOCERR_BLK_NEST,
1.183 schwarze 636: line, ppos, "%s breaks %s",
1.219 schwarze 637: roff_name[atok], roff_name[later->tok]);
1.183 schwarze 638:
1.166 schwarze 639: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 640: atok, body);
1.151 schwarze 641:
1.183 schwarze 642: if (tok == MDOC_El)
1.210 schwarze 643: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 644:
1.151 schwarze 645: /*
646: * If a block closing macro taking arguments
647: * breaks another block, put the arguments
1.166 schwarze 648: * into the end marker.
1.151 schwarze 649: */
650:
1.166 schwarze 651: if (maxargs)
1.189 schwarze 652: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 653: break;
1.182 schwarze 654: }
655:
1.214 schwarze 656: /*
657: * Explicit blocks close out description lines, but
658: * even those can get broken together with a child.
659: */
1.182 schwarze 660:
661: if (n->tok == MDOC_Nd) {
1.214 schwarze 662: if (later != NULL)
663: n->flags |= NODE_BROKEN | NODE_ENDED;
664: else
665: rew_last(mdoc, n);
1.182 schwarze 666: continue;
1.83 schwarze 667: }
668:
1.183 schwarze 669: /* Breaking an open sub block. */
1.151 schwarze 670:
1.213 schwarze 671: break_intermediate(mdoc->last, body);
1.210 schwarze 672: n->flags |= NODE_BROKEN;
1.183 schwarze 673: if (later == NULL)
1.83 schwarze 674: later = n;
675: }
1.166 schwarze 676:
677: if (body == NULL) {
1.227 schwarze 678: mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
679: "%s", roff_name[tok]);
1.166 schwarze 680: if (maxargs && endbody == NULL) {
681: /*
682: * Stray .Ec without previous .Eo:
683: * Break the output line, keep the arguments.
684: */
1.221 schwarze 685: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
686: rew_elem(mdoc, ROFF_br);
1.166 schwarze 687: }
688: } else if (endbody == NULL) {
689: rew_last(mdoc, body);
690: if (maxargs)
691: mdoc_tail_alloc(mdoc, line, ppos, atok);
692: }
1.83 schwarze 693:
1.225 schwarze 694: if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
1.150 schwarze 695: if (buf[*pos] != '\0')
1.227 schwarze 696: mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
697: "%s %s", roff_name[tok], buf + *pos);
1.171 schwarze 698: if (endbody == NULL && n != NULL)
1.167 schwarze 699: rew_pending(mdoc, n);
1.151 schwarze 700: return;
1.1 kristaps 701: }
702:
1.166 schwarze 703: if (endbody != NULL)
704: n = endbody;
1.197 schwarze 705:
706: ntok = TOKEN_NONE;
1.148 schwarze 707: for (j = 0; ; j++) {
1.1 kristaps 708: lastarg = *pos;
709:
1.186 schwarze 710: if (j == maxargs && n != NULL)
711: rew_last(mdoc, n);
1.1 kristaps 712:
1.119 schwarze 713: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 714: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 715: break;
716:
1.224 schwarze 717: ntok = lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 718:
1.191 schwarze 719: if (ntok == TOKEN_NONE) {
1.150 schwarze 720: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.225 schwarze 721: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 ! schwarze 722: if (ac == ARGS_ALLOC)
! 723: free(p);
1.54 kristaps 724: continue;
725: }
1.228 ! schwarze 726: if (ac == ARGS_ALLOC)
! 727: free(p);
1.1 kristaps 728:
1.186 schwarze 729: if (n != NULL)
730: rew_last(mdoc, n);
1.122 schwarze 731: mdoc->flags &= ~MDOC_NEWLINE;
1.225 schwarze 732: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 733: break;
1.1 kristaps 734: }
735:
1.188 schwarze 736: if (n != NULL) {
1.212 schwarze 737: pending = 0;
1.210 schwarze 738: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 739: target = n;
740: do
741: target = target->parent;
1.210 schwarze 742: while ( ! (target->flags & NODE_ENDED));
1.215 schwarze 743: pending = find_pending(mdoc, ntok, line, ppos, target);
1.212 schwarze 744: }
1.188 schwarze 745: if ( ! pending)
746: rew_pending(mdoc, n);
747: }
1.150 schwarze 748: if (nl)
749: append_delims(mdoc, line, pos, buf);
1.1 kristaps 750: }
751:
1.151 schwarze 752: static void
1.1 kristaps 753: in_line(MACRO_PROT_ARGS)
754: {
1.144 schwarze 755: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.219 schwarze 756: enum roff_tok ntok;
1.55 kristaps 757: enum margserr ac;
1.67 schwarze 758: enum mdelim d;
1.53 kristaps 759: struct mdoc_arg *arg;
760: char *p;
1.1 kristaps 761:
1.119 schwarze 762: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 763:
1.4 kristaps 764: /*
765: * Whether we allow ignored elements (those without content,
766: * usually because of reserved words) to squeak by.
767: */
1.45 kristaps 768:
1.4 kristaps 769: switch (tok) {
1.131 schwarze 770: case MDOC_An:
771: case MDOC_Ar:
772: case MDOC_Fl:
773: case MDOC_Mt:
774: case MDOC_Nm:
775: case MDOC_Pa:
1.4 kristaps 776: nc = 1;
777: break;
778: default:
779: nc = 0;
780: break;
781: }
782:
1.152 schwarze 783: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 784:
1.144 schwarze 785: d = DELIM_NONE;
786: firstarg = 1;
1.142 schwarze 787: mayopen = 1;
1.70 kristaps 788: for (cnt = scope = 0;; ) {
1.1 kristaps 789: la = *pos;
1.119 schwarze 790: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 791:
1.144 schwarze 792: /*
793: * At the end of a macro line,
794: * opening delimiters do not suppress spacing.
795: */
796:
797: if (ac == ARGS_EOLN) {
798: if (d == DELIM_OPEN)
1.210 schwarze 799: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 800: break;
1.144 schwarze 801: }
802:
803: /*
804: * The rest of the macro line is only punctuation,
805: * to be handled by append_delims().
806: * If there were no other arguments,
807: * do not allow the first one to suppress spacing,
808: * even if it turns out to be a closing one.
809: */
810:
811: if (ac == ARGS_PUNCT) {
1.176 schwarze 812: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 813: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 814: break;
1.144 schwarze 815: }
1.1 kristaps 816:
1.224 schwarze 817: ntok = (tok == MDOC_Fn && !cnt) ?
1.191 schwarze 818: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 819:
1.131 schwarze 820: /*
1.4 kristaps 821: * In this case, we've located a submacro and must
822: * execute it. Close out scope, if open. If no
823: * elements have been generated, either create one (nc)
824: * or raise a warning.
825: */
1.1 kristaps 826:
1.191 schwarze 827: if (ntok != TOKEN_NONE) {
1.149 schwarze 828: if (scope)
829: rew_elem(mdoc, tok);
1.150 schwarze 830: if (nc && ! cnt) {
831: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 832: rew_last(mdoc, mdoc->last);
1.150 schwarze 833: } else if ( ! nc && ! cnt) {
1.7 kristaps 834: mdoc_argv_free(arg);
1.135 schwarze 835: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1.227 schwarze 836: line, ppos, "%s", roff_name[tok]);
1.7 kristaps 837: }
1.225 schwarze 838: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
839: line, la, pos, buf);
1.150 schwarze 840: if (nl)
841: append_delims(mdoc, line, pos, buf);
1.228 ! schwarze 842: if (ac == ARGS_ALLOC)
! 843: free(p);
1.151 schwarze 844: return;
1.131 schwarze 845: }
1.1 kristaps 846:
1.131 schwarze 847: /*
1.224 schwarze 848: * Handle punctuation. Set up our scope, if a word;
849: * rewind the scope, if a delimiter; then append the word.
1.4 kristaps 850: */
1.1 kristaps 851:
1.224 schwarze 852: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.70 kristaps 853: /*
854: * If we encounter closing punctuation, no word
1.144 schwarze 855: * has been emitted, no scope is open, and we're
1.70 kristaps 856: * allowed to have an empty element, then start
1.142 schwarze 857: * a new scope.
1.70 kristaps 858: */
1.142 schwarze 859: if ((d == DELIM_CLOSE ||
860: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 861: !cnt && !scope && nc && mayopen) {
1.150 schwarze 862: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 863: scope = 1;
1.142 schwarze 864: cnt++;
1.150 schwarze 865: if (tok == MDOC_Nm)
1.142 schwarze 866: mayopen = 0;
1.70 kristaps 867: }
868: /*
869: * Close out our scope, if one is open, before
870: * any punctuation.
871: */
1.224 schwarze 872: if (scope && tok != MDOC_Lk) {
1.149 schwarze 873: rew_elem(mdoc, tok);
1.224 schwarze 874: scope = 0;
875: if (tok == MDOC_Fn)
876: mayopen = 0;
877: }
1.142 schwarze 878: } else if (mayopen && !scope) {
1.150 schwarze 879: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 880: scope = 1;
1.142 schwarze 881: cnt++;
1.1 kristaps 882: }
1.105 kristaps 883:
1.150 schwarze 884: dword(mdoc, line, la, p, d,
1.225 schwarze 885: mdoc_macro(tok)->flags & MDOC_JOIN);
1.39 kristaps 886:
1.228 ! schwarze 887: if (ac == ARGS_ALLOC)
! 888: free(p);
! 889:
1.39 kristaps 890: /*
1.144 schwarze 891: * If the first argument is a closing delimiter,
892: * do not suppress spacing before it.
893: */
894:
895: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 896: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 897: firstarg = 0;
898:
899: /*
1.39 kristaps 900: * `Fl' macros have their scope re-opened with each new
901: * word so that the `-' can be added to each one without
902: * having to parse out spaces.
903: */
1.150 schwarze 904: if (scope && tok == MDOC_Fl) {
1.149 schwarze 905: rew_elem(mdoc, tok);
1.70 kristaps 906: scope = 0;
1.39 kristaps 907: }
1.1 kristaps 908: }
909:
1.218 schwarze 910: if (scope && tok != MDOC_Lk) {
1.149 schwarze 911: rew_elem(mdoc, tok);
1.218 schwarze 912: scope = 0;
913: }
1.4 kristaps 914:
915: /*
916: * If no elements have been collected and we're allowed to have
917: * empties (nc), open a scope and close it out. Otherwise,
918: * raise a warning.
919: */
1.45 kristaps 920:
1.150 schwarze 921: if ( ! cnt) {
922: if (nc) {
923: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
924: rew_last(mdoc, mdoc->last);
925: } else {
926: mdoc_argv_free(arg);
1.227 schwarze 927: mandoc_msg(MANDOCERR_MACRO_EMPTY,
928: line, ppos, "%s", roff_name[tok]);
1.150 schwarze 929: }
1.7 kristaps 930: }
1.150 schwarze 931: if (nl)
932: append_delims(mdoc, line, pos, buf);
1.218 schwarze 933: if (scope)
934: rew_elem(mdoc, tok);
1.1 kristaps 935: }
936:
1.151 schwarze 937: static void
1.1 kristaps 938: blk_full(MACRO_PROT_ARGS)
939: {
1.228 ! schwarze 940: int done, la, nl, parsed;
1.1 kristaps 941: struct mdoc_arg *arg;
1.185 schwarze 942: struct roff_node *blk; /* Our own or a broken block. */
943: struct roff_node *head; /* Our own head. */
944: struct roff_node *body; /* Our own body. */
945: struct roff_node *n;
1.59 kristaps 946: enum margserr ac, lac;
1.1 kristaps 947: char *p;
948:
1.119 schwarze 949: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 950:
1.177 schwarze 951: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
1.227 schwarze 952: mandoc_msg(MANDOCERR_MACRO_EMPTY,
953: line, ppos, "%s", roff_name[tok]);
1.177 schwarze 954: return;
955: }
956:
1.225 schwarze 957: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.171 schwarze 958:
959: /* Here, tok is one of Sh Ss Nm Nd It. */
960:
961: blk = NULL;
962: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 963: if (n->flags & NODE_ENDED) {
964: if ( ! (n->flags & NODE_VALID))
965: n->flags |= NODE_BROKEN;
1.183 schwarze 966: continue;
967: }
1.184 schwarze 968: if (n->type != ROFFT_BLOCK)
1.171 schwarze 969: continue;
1.183 schwarze 970:
1.171 schwarze 971: if (tok == MDOC_It && n->tok == MDOC_Bl) {
972: if (blk != NULL) {
1.227 schwarze 973: mandoc_msg(MANDOCERR_BLK_BROKEN,
974: line, ppos, "It breaks %s",
1.219 schwarze 975: roff_name[blk->tok]);
1.171 schwarze 976: rew_pending(mdoc, blk);
977: }
978: break;
979: }
980:
1.225 schwarze 981: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.171 schwarze 982: switch (tok) {
983: case MDOC_Sh:
984: case MDOC_Ss:
1.227 schwarze 985: mandoc_msg(MANDOCERR_BLK_BROKEN,
986: line, ppos,
1.219 schwarze 987: "%s breaks %s", roff_name[tok],
988: roff_name[n->tok]);
1.171 schwarze 989: rew_pending(mdoc, n);
1.180 schwarze 990: n = mdoc->last;
1.171 schwarze 991: continue;
992: case MDOC_It:
993: /* Delay in case it's astray. */
994: blk = n;
995: continue;
996: default:
997: break;
998: }
999: break;
1000: }
1001:
1002: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 1003:
1.171 schwarze 1004: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1005: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1006: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 1007: break;
1.171 schwarze 1008:
1009: /* Item breaking an explicit block. */
1010:
1011: if (blk != NULL) {
1.227 schwarze 1012: mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
1.219 schwarze 1013: "It breaks %s", roff_name[blk->tok]);
1.171 schwarze 1014: rew_pending(mdoc, blk);
1.172 schwarze 1015: blk = NULL;
1.171 schwarze 1016: }
1017:
1018: /* Close out prior implicit scopes. */
1019:
1.211 schwarze 1020: rew_pending(mdoc, n);
1.171 schwarze 1021: }
1022:
1023: /* Skip items outside lists. */
1024:
1025: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.227 schwarze 1026: mandoc_msg(MANDOCERR_IT_STRAY,
1.138 schwarze 1027: line, ppos, "It %s", buf + *pos);
1.221 schwarze 1028: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1029: rew_elem(mdoc, ROFF_br);
1.151 schwarze 1030: return;
1.138 schwarze 1031: }
1.1 kristaps 1032: }
1033:
1.45 kristaps 1034: /*
1.109 kristaps 1035: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1036: * macro openings. Implicit ones first close out prior scope
1037: * (seen above). Delay opening the head until necessary to
1038: * allow leading punctuation to print. Special consideration
1039: * for `It -column', which has phrase-part syntax instead of
1040: * regular child nodes.
1041: */
1042:
1.152 schwarze 1043: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1044: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1045: head = body = NULL;
1.115 schwarze 1046:
1047: /*
1048: * Exception: Heads of `It' macros in `-diag' lists are not
1049: * parsed, even though `It' macros in general are parsed.
1050: */
1.151 schwarze 1051:
1.153 schwarze 1052: parsed = tok != MDOC_It ||
1053: mdoc->last->parent->tok != MDOC_Bl ||
1054: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1055:
1.45 kristaps 1056: /*
1057: * The `Nd' macro has all arguments in its body: it's a hybrid
1058: * of block partial-explicit and full-implicit. Stupid.
1059: */
1.19 kristaps 1060:
1.150 schwarze 1061: if (tok == MDOC_Nd) {
1.190 schwarze 1062: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1063: rew_last(mdoc, head);
1.190 schwarze 1064: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1065: }
1066:
1.150 schwarze 1067: if (tok == MDOC_Bk)
1.123 schwarze 1068: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1069:
1.205 schwarze 1070: ac = ARGS_EOLN;
1.150 schwarze 1071: for (;;) {
1.205 schwarze 1072:
1073: /*
1074: * If we are right after a tab character,
1075: * do not parse the first word for macros.
1076: */
1077:
1078: if (mdoc->flags & MDOC_PHRASEQN) {
1079: mdoc->flags &= ~MDOC_PHRASEQN;
1080: mdoc->flags |= MDOC_PHRASEQF;
1081: }
1082:
1.45 kristaps 1083: la = *pos;
1.150 schwarze 1084: lac = ac;
1.119 schwarze 1085: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1086: if (ac == ARGS_EOLN) {
1.205 schwarze 1087: if (lac != ARGS_PHRASE ||
1088: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1089: break;
1.205 schwarze 1090:
1.75 kristaps 1091: /*
1.205 schwarze 1092: * This line ends in a tab; start the next
1093: * column now, with a leading blank.
1.75 kristaps 1094: */
1.205 schwarze 1095:
1.167 schwarze 1096: if (body != NULL)
1097: rew_last(mdoc, body);
1.190 schwarze 1098: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1099: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1100: break;
1.75 kristaps 1101: }
1.205 schwarze 1102:
1.174 schwarze 1103: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1.227 schwarze 1104: mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
1105: "%s ... %s", roff_name[tok], buf + la);
1.228 ! schwarze 1106: if (ac == ARGS_ALLOC)
! 1107: free(p);
1.174 schwarze 1108: break;
1109: }
1.173 schwarze 1110: if (tok == MDOC_Rs) {
1.227 schwarze 1111: mandoc_msg(MANDOCERR_ARG_SKIP,
1.173 schwarze 1112: line, la, "Rs %s", buf + la);
1.228 ! schwarze 1113: if (ac == ARGS_ALLOC)
! 1114: free(p);
1.173 schwarze 1115: break;
1116: }
1117: if (ac == ARGS_PUNCT)
1118: break;
1.45 kristaps 1119:
1.131 schwarze 1120: /*
1.73 kristaps 1121: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1122: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1123: */
1.45 kristaps 1124:
1.150 schwarze 1125: if (head == NULL &&
1126: ac != ARGS_PHRASE &&
1127: mdoc_isdelim(p) == DELIM_OPEN) {
1128: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 ! schwarze 1129: if (ac == ARGS_ALLOC)
! 1130: free(p);
1.45 kristaps 1131: continue;
1132: }
1133:
1.74 kristaps 1134: /* Open a head if one hasn't been opened. */
1.45 kristaps 1135:
1.150 schwarze 1136: if (head == NULL)
1.190 schwarze 1137: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1138:
1.205 schwarze 1139: if (ac == ARGS_PHRASE) {
1.151 schwarze 1140:
1.73 kristaps 1141: /*
1.74 kristaps 1142: * If we haven't opened a body yet, rewind the
1143: * head; if we have, rewind that instead.
1144: */
1145:
1.167 schwarze 1146: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1147: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1148:
1.205 schwarze 1149: /* Process to the tab or to the end of the line. */
1.74 kristaps 1150:
1.205 schwarze 1151: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1152: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1153: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1154:
1155: /* There may have been `Ta' macros. */
1156:
1157: while (body->next != NULL)
1158: body = body->next;
1.1 kristaps 1159: continue;
1160: }
1161:
1.228 ! schwarze 1162: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
! 1163: if (ac == ARGS_ALLOC)
! 1164: free(p);
! 1165: if (done)
1.151 schwarze 1166: break;
1.45 kristaps 1167: }
1.1 kristaps 1168:
1.210 schwarze 1169: if (blk->flags & NODE_VALID)
1.165 schwarze 1170: return;
1.150 schwarze 1171: if (head == NULL)
1.190 schwarze 1172: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1173: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1174: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1175: if (body != NULL)
1.77 kristaps 1176: goto out;
1.187 schwarze 1177: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1178: return;
1.47 kristaps 1179:
1.45 kristaps 1180: /* Close out scopes to remain in a consistent state. */
1181:
1.167 schwarze 1182: rew_last(mdoc, head);
1.190 schwarze 1183: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1184: out:
1.150 schwarze 1185: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1186: rew_last(mdoc, body);
1187: rew_last(mdoc, blk);
1.150 schwarze 1188: mdoc->flags &= ~MDOC_FREECOL;
1189: }
1.1 kristaps 1190: }
1191:
1.151 schwarze 1192: static void
1.1 kristaps 1193: blk_part_imp(MACRO_PROT_ARGS)
1194: {
1.228 ! schwarze 1195: int done, la, nl;
1.55 kristaps 1196: enum margserr ac;
1.1 kristaps 1197: char *p;
1.185 schwarze 1198: struct roff_node *blk; /* saved block context */
1199: struct roff_node *body; /* saved body context */
1200: struct roff_node *n;
1.1 kristaps 1201:
1.119 schwarze 1202: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1203:
1.43 kristaps 1204: /*
1205: * A macro that spans to the end of the line. This is generally
1206: * (but not necessarily) called as the first macro. The block
1207: * has a head as the immediate child, which is always empty,
1208: * followed by zero or more opening punctuation nodes, then the
1209: * body (which may be empty, depending on the macro), then zero
1210: * or more closing punctuation nodes.
1211: */
1.32 kristaps 1212:
1.150 schwarze 1213: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1214: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1215:
1.43 kristaps 1216: /*
1217: * Open the body scope "on-demand", that is, after we've
1218: * processed all our the leading delimiters (open parenthesis,
1219: * etc.).
1220: */
1.1 kristaps 1221:
1.43 kristaps 1222: for (body = NULL; ; ) {
1.32 kristaps 1223: la = *pos;
1.119 schwarze 1224: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1225: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1226: break;
1227:
1.224 schwarze 1228: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1229: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 ! schwarze 1230: if (ac == ARGS_ALLOC)
! 1231: free(p);
1.1 kristaps 1232: continue;
1.123 schwarze 1233: }
1.1 kristaps 1234:
1.150 schwarze 1235: if (body == NULL)
1.190 schwarze 1236: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1237:
1.228 ! schwarze 1238: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
! 1239: if (ac == ARGS_ALLOC)
! 1240: free(p);
! 1241: if (done)
1.151 schwarze 1242: break;
1.1 kristaps 1243: }
1.150 schwarze 1244: if (body == NULL)
1.190 schwarze 1245: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1246:
1.187 schwarze 1247: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1248: return;
1249:
1.164 schwarze 1250: rew_last(mdoc, body);
1.150 schwarze 1251: if (nl)
1252: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1253: rew_pending(mdoc, blk);
1.117 schwarze 1254:
1255: /* Move trailing .Ns out of scope. */
1256:
1257: for (n = body->child; n && n->next; n = n->next)
1258: /* Do nothing. */ ;
1.150 schwarze 1259: if (n && n->tok == MDOC_Ns)
1.226 schwarze 1260: roff_node_relink(mdoc, n);
1.1 kristaps 1261: }
1262:
1.151 schwarze 1263: static void
1.1 kristaps 1264: blk_part_exp(MACRO_PROT_ARGS)
1265: {
1.228 ! schwarze 1266: int done, la, nl;
1.55 kristaps 1267: enum margserr ac;
1.185 schwarze 1268: struct roff_node *head; /* keep track of head */
1.1 kristaps 1269: char *p;
1270:
1.119 schwarze 1271: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1272:
1.43 kristaps 1273: /*
1274: * The opening of an explicit macro having zero or more leading
1275: * punctuation nodes; a head with optional single element (the
1276: * case of `Eo'); and a body that may be empty.
1277: */
1.32 kristaps 1278:
1.193 schwarze 1279: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1280: head = NULL;
1281: for (;;) {
1.32 kristaps 1282: la = *pos;
1.119 schwarze 1283: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1284: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1285: break;
1.43 kristaps 1286:
1287: /* Flush out leading punctuation. */
1288:
1.224 schwarze 1289: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1290: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 ! schwarze 1291: if (ac == ARGS_ALLOC)
! 1292: free(p);
1.43 kristaps 1293: continue;
1.123 schwarze 1294: }
1.43 kristaps 1295:
1.150 schwarze 1296: if (head == NULL) {
1.190 schwarze 1297: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1298: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1299: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1300: rew_last(mdoc, head);
1.190 schwarze 1301: roff_body_alloc(mdoc, line, ppos, tok);
1.228 ! schwarze 1302: if (tok == MDOC_Eo) {
! 1303: if (ac == ARGS_ALLOC)
! 1304: free(p);
1.43 kristaps 1305: continue;
1.228 ! schwarze 1306: }
1.1 kristaps 1307: }
1.43 kristaps 1308:
1.228 ! schwarze 1309: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
! 1310: if (ac == ARGS_ALLOC)
! 1311: free(p);
! 1312: if (done)
1.151 schwarze 1313: break;
1.1 kristaps 1314: }
1315:
1.43 kristaps 1316: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1317:
1.163 schwarze 1318: if (head == NULL) {
1.190 schwarze 1319: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1320: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1321: }
1.150 schwarze 1322: if (nl)
1323: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1324: }
1325:
1.151 schwarze 1326: static void
1.1 kristaps 1327: in_line_argn(MACRO_PROT_ARGS)
1328: {
1.53 kristaps 1329: struct mdoc_arg *arg;
1330: char *p;
1.181 schwarze 1331: enum margserr ac;
1.219 schwarze 1332: enum roff_tok ntok;
1.181 schwarze 1333: int state; /* arg#; -1: not yet open; -2: closed */
1334: int la, maxargs, nl;
1.1 kristaps 1335:
1.156 schwarze 1336: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1337:
1.46 kristaps 1338: /*
1339: * A line macro that has a fixed number of arguments (maxargs).
1340: * Only open the scope once the first non-leading-punctuation is
1341: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1342: * keep it open until the maximum number of arguments are
1343: * exhausted.
1344: */
1.1 kristaps 1345:
1346: switch (tok) {
1.131 schwarze 1347: case MDOC_Ap:
1348: case MDOC_Ns:
1349: case MDOC_Ux:
1.1 kristaps 1350: maxargs = 0;
1351: break;
1.131 schwarze 1352: case MDOC_Bx:
1.132 schwarze 1353: case MDOC_Es:
1.131 schwarze 1354: case MDOC_Xr:
1.42 kristaps 1355: maxargs = 2;
1356: break;
1.1 kristaps 1357: default:
1358: maxargs = 1;
1359: break;
1360: }
1361:
1.152 schwarze 1362: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1363:
1.181 schwarze 1364: state = -1;
1.156 schwarze 1365: p = NULL;
1366: for (;;) {
1.32 kristaps 1367: la = *pos;
1.119 schwarze 1368: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1369:
1.228 ! schwarze 1370: if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
1.225 schwarze 1371: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.181 schwarze 1372: mdoc_isdelim(p) == DELIM_OPEN) {
1373: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 ! schwarze 1374: if (ac == ARGS_ALLOC)
! 1375: free(p);
1.181 schwarze 1376: continue;
1377: }
1378:
1379: if (state == -1 && tok != MDOC_In &&
1380: tok != MDOC_St && tok != MDOC_Xr) {
1381: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1382: state = 0;
1383: }
1384:
1.156 schwarze 1385: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1386: if (abs(state) < 2 && tok == MDOC_Pf)
1.227 schwarze 1387: mandoc_msg(MANDOCERR_PF_SKIP,
1388: line, ppos, "Pf %s",
1.156 schwarze 1389: p == NULL ? "at eol" : p);
1.1 kristaps 1390: break;
1.156 schwarze 1391: }
1.1 kristaps 1392:
1.181 schwarze 1393: if (state == maxargs) {
1.149 schwarze 1394: rew_elem(mdoc, tok);
1.181 schwarze 1395: state = -2;
1.46 kristaps 1396: }
1397:
1.224 schwarze 1398: ntok = (tok == MDOC_Pf && state == 0) ?
1.191 schwarze 1399: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1400:
1.191 schwarze 1401: if (ntok != TOKEN_NONE) {
1.181 schwarze 1402: if (state >= 0) {
1.149 schwarze 1403: rew_elem(mdoc, tok);
1.181 schwarze 1404: state = -2;
1405: }
1.225 schwarze 1406: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
1407: line, la, pos, buf);
1.228 ! schwarze 1408: if (ac == ARGS_ALLOC)
! 1409: free(p);
1.1 kristaps 1410: break;
1411: }
1412:
1.225 schwarze 1413: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.181 schwarze 1414: mdoc_isdelim(p) == DELIM_NONE) {
1415: if (state == -1) {
1416: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1417: state = 1;
1418: } else if (state >= 0)
1419: state++;
1420: } else if (state >= 0) {
1.149 schwarze 1421: rew_elem(mdoc, tok);
1.181 schwarze 1422: state = -2;
1.1 kristaps 1423: }
1.42 kristaps 1424:
1.150 schwarze 1425: dword(mdoc, line, la, p, DELIM_MAX,
1.225 schwarze 1426: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 ! schwarze 1427: if (ac == ARGS_ALLOC)
! 1428: free(p);
! 1429: p = mdoc->last->string;
1.1 kristaps 1430: }
1431:
1.181 schwarze 1432: if (state == -1) {
1.227 schwarze 1433: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1434: line, ppos, "%s", roff_name[tok]);
1.181 schwarze 1435: return;
1.156 schwarze 1436: }
1.181 schwarze 1437:
1438: if (state == 0 && tok == MDOC_Pf)
1439: append_delims(mdoc, line, pos, buf);
1440: if (state >= 0)
1.149 schwarze 1441: rew_elem(mdoc, tok);
1.150 schwarze 1442: if (nl)
1443: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1444: }
1445:
1.151 schwarze 1446: static void
1.1 kristaps 1447: in_line_eoln(MACRO_PROT_ARGS)
1448: {
1.185 schwarze 1449: struct roff_node *n;
1.170 schwarze 1450: struct mdoc_arg *arg;
1.1 kristaps 1451:
1.170 schwarze 1452: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1453: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1454: n = mdoc->last;
1.189 schwarze 1455: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1456: n = n->parent;
1457: if (n->tok == MDOC_Nm)
1.198 schwarze 1458: rew_last(mdoc, n->parent);
1.178 schwarze 1459: }
1460:
1.179 schwarze 1461: if (buf[*pos] == '\0' &&
1.219 schwarze 1462: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.227 schwarze 1463: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1464: line, ppos, "%s", roff_name[tok]);
1.178 schwarze 1465: return;
1.170 schwarze 1466: }
1.90 schwarze 1467:
1.152 schwarze 1468: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1469: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1470: if (parse_rest(mdoc, tok, line, pos, buf))
1471: return;
1472: rew_elem(mdoc, tok);
1473: }
1474:
1475: /*
1476: * The simplest argument parser available: Parse the remaining
1477: * words until the end of the phrase or line and return 0
1478: * or until the next macro, call that macro, and return 1.
1479: */
1480: static int
1.219 schwarze 1481: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1482: int line, int *pos, char *buf)
1.154 schwarze 1483: {
1.228 ! schwarze 1484: char *p;
! 1485: int done, la;
! 1486: enum margserr ac;
1.1 kristaps 1487:
1488: for (;;) {
1489: la = *pos;
1.228 ! schwarze 1490: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
! 1491: if (ac == ARGS_EOLN)
1.202 schwarze 1492: return 0;
1.228 ! schwarze 1493: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
! 1494: if (ac == ARGS_ALLOC)
! 1495: free(p);
! 1496: if (done)
1.202 schwarze 1497: return 1;
1.1 kristaps 1498: }
1499: }
1500:
1.151 schwarze 1501: static void
1.41 kristaps 1502: ctx_synopsis(MACRO_PROT_ARGS)
1503: {
1.60 kristaps 1504:
1.151 schwarze 1505: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1506: in_line(mdoc, tok, line, ppos, pos, buf);
1507: else if (tok == MDOC_Nm)
1508: blk_full(mdoc, tok, line, ppos, pos, buf);
1509: else {
1510: assert(tok == MDOC_Vt);
1511: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1512: }
1.1 kristaps 1513: }
1514:
1.24 kristaps 1515: /*
1516: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1517: * They're unusual because they're basically free-form text until a
1518: * macro is encountered.
1519: */
1.151 schwarze 1520: static void
1.75 kristaps 1521: phrase_ta(MACRO_PROT_ARGS)
1522: {
1.185 schwarze 1523: struct roff_node *body, *n;
1.75 kristaps 1524:
1.121 schwarze 1525: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1526:
1.167 schwarze 1527: body = NULL;
1528: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1529: if (n->flags & NODE_ENDED)
1.167 schwarze 1530: continue;
1.184 schwarze 1531: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1532: body = n;
1.208 schwarze 1533: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1534: break;
1535: }
1536:
1.151 schwarze 1537: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.227 schwarze 1538: mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
1.151 schwarze 1539: return;
1.121 schwarze 1540: }
1.75 kristaps 1541:
1.121 schwarze 1542: /* Advance to the next column. */
1.150 schwarze 1543:
1.167 schwarze 1544: rew_last(mdoc, body);
1.190 schwarze 1545: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1546: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1547: }
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