Annotation of mandoc/mdoc_macro.c, Revision 1.233
1.233 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.232 2019/01/07 07:26:29 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.231 schwarze 4: * Copyright (c) 2010, 2012-2019 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.8 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 */
1.1 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:
1.229 schwarze 236: rew_last(mdoc, mdoc->meta.first);
1.1 kristaps 237: }
238:
1.32 kristaps 239: /*
1.153 schwarze 240: * Look up the macro at *p called by "from",
1.191 schwarze 241: * or as a line macro if from == TOKEN_NONE.
1.32 kristaps 242: */
1.185 schwarze 243: static int
1.189 schwarze 244: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.28 kristaps 245: {
1.219 schwarze 246: enum roff_tok res;
1.1 kristaps 247:
1.205 schwarze 248: if (mdoc->flags & MDOC_PHRASEQF) {
249: mdoc->flags &= ~MDOC_PHRASEQF;
250: return TOKEN_NONE;
251: }
1.225 schwarze 252: if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) {
1.220 schwarze 253: res = roffhash_find(mdoc->mdocmac, p, 0);
1.191 schwarze 254: if (res != TOKEN_NONE) {
1.225 schwarze 255: if (mdoc_macro(res)->flags & MDOC_CALLABLE)
1.202 schwarze 256: return res;
1.227 schwarze 257: mandoc_msg(MANDOCERR_MACRO_CALL, line, ppos, "%s", p);
1.155 schwarze 258: }
1.153 schwarze 259: }
1.202 schwarze 260: return TOKEN_NONE;
1.1 kristaps 261: }
262:
1.166 schwarze 263: /*
264: * Rewind up to and including a specific node.
265: */
1.149 schwarze 266: static void
1.189 schwarze 267: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 268: {
269:
1.210 schwarze 270: if (to->flags & NODE_VALID)
1.186 schwarze 271: return;
272:
1.1 kristaps 273: while (mdoc->last != to) {
1.206 schwarze 274: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 275: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.206 schwarze 276: mdoc->last = mdoc->last->parent;
1.1 kristaps 277: }
1.206 schwarze 278: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 279: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.200 schwarze 280: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 281: }
282:
1.32 kristaps 283: /*
1.166 schwarze 284: * Rewind up to a specific block, including all blocks that broke it.
285: */
286: static void
1.189 schwarze 287: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.166 schwarze 288: {
289:
1.183 schwarze 290: for (;;) {
291: rew_last(mdoc, n);
292:
1.194 schwarze 293: if (mdoc->last == n) {
294: switch (n->type) {
295: case ROFFT_HEAD:
296: roff_body_alloc(mdoc, n->line, n->pos,
297: n->tok);
1.232 schwarze 298: if (n->tok == MDOC_Ss)
299: mdoc->flags &= ~ROFF_NONOFILL;
1.207 schwarze 300: break;
1.194 schwarze 301: case ROFFT_BLOCK:
302: break;
303: default:
304: return;
305: }
1.210 schwarze 306: if ( ! (n->flags & NODE_BROKEN))
1.194 schwarze 307: return;
308: } else
309: n = mdoc->last;
1.166 schwarze 310:
1.183 schwarze 311: for (;;) {
312: if ((n = n->parent) == NULL)
313: return;
314:
1.184 schwarze 315: if (n->type == ROFFT_BLOCK ||
316: n->type == ROFFT_HEAD) {
1.210 schwarze 317: if (n->flags & NODE_ENDED)
1.183 schwarze 318: break;
319: else
320: return;
321: }
322: }
1.166 schwarze 323: }
324: }
325:
326: /*
1.84 schwarze 327: * For a block closing macro, return the corresponding opening one.
328: * Otherwise, return the macro itself.
1.32 kristaps 329: */
1.219 schwarze 330: static enum roff_tok
331: rew_alt(enum roff_tok tok)
1.1 kristaps 332: {
333: switch (tok) {
1.131 schwarze 334: case MDOC_Ac:
1.202 schwarze 335: return MDOC_Ao;
1.131 schwarze 336: case MDOC_Bc:
1.202 schwarze 337: return MDOC_Bo;
1.131 schwarze 338: case MDOC_Brc:
1.202 schwarze 339: return MDOC_Bro;
1.131 schwarze 340: case MDOC_Dc:
1.202 schwarze 341: return MDOC_Do;
1.131 schwarze 342: case MDOC_Ec:
1.202 schwarze 343: return MDOC_Eo;
1.131 schwarze 344: case MDOC_Ed:
1.202 schwarze 345: return MDOC_Bd;
1.131 schwarze 346: case MDOC_Ef:
1.202 schwarze 347: return MDOC_Bf;
1.131 schwarze 348: case MDOC_Ek:
1.202 schwarze 349: return MDOC_Bk;
1.131 schwarze 350: case MDOC_El:
1.202 schwarze 351: return MDOC_Bl;
1.131 schwarze 352: case MDOC_Fc:
1.202 schwarze 353: return MDOC_Fo;
1.131 schwarze 354: case MDOC_Oc:
1.202 schwarze 355: return MDOC_Oo;
1.131 schwarze 356: case MDOC_Pc:
1.202 schwarze 357: return MDOC_Po;
1.131 schwarze 358: case MDOC_Qc:
1.202 schwarze 359: return MDOC_Qo;
1.131 schwarze 360: case MDOC_Re:
1.202 schwarze 361: return MDOC_Rs;
1.131 schwarze 362: case MDOC_Sc:
1.202 schwarze 363: return MDOC_So;
1.131 schwarze 364: case MDOC_Xc:
1.202 schwarze 365: return MDOC_Xo;
1.1 kristaps 366: default:
1.202 schwarze 367: return tok;
1.1 kristaps 368: }
369: }
370:
1.149 schwarze 371: static void
1.219 schwarze 372: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 373: {
1.185 schwarze 374: struct roff_node *n;
1.1 kristaps 375:
376: n = mdoc->last;
1.184 schwarze 377: if (n->type != ROFFT_ELEM)
1.1 kristaps 378: n = n->parent;
1.184 schwarze 379: assert(n->type == ROFFT_ELEM);
1.1 kristaps 380: assert(tok == n->tok);
1.149 schwarze 381: rew_last(mdoc, n);
1.1 kristaps 382: }
383:
1.213 schwarze 384: static void
385: break_intermediate(struct roff_node *n, struct roff_node *breaker)
386: {
1.217 schwarze 387: if (n != breaker &&
388: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
389: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
390: n = n->parent;
1.213 schwarze 391: while (n != breaker) {
392: if ( ! (n->flags & NODE_VALID))
393: n->flags |= NODE_BROKEN;
394: n = n->parent;
395: }
396: }
397:
1.83 schwarze 398: /*
1.187 schwarze 399: * If there is an open sub-block of the target requiring
400: * explicit close-out, postpone closing out the target until
401: * the rew_pending() call closing out the sub-block.
402: */
403: static int
1.219 schwarze 404: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.187 schwarze 405: struct roff_node *target)
406: {
407: struct roff_node *n;
408: int irc;
409:
1.215 schwarze 410: if (target->flags & NODE_VALID)
411: return 0;
412:
1.187 schwarze 413: irc = 0;
414: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.213 schwarze 415: if (n->flags & NODE_ENDED)
1.187 schwarze 416: continue;
417: if (n->type == ROFFT_BLOCK &&
1.225 schwarze 418: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.187 schwarze 419: irc = 1;
1.217 schwarze 420: break_intermediate(mdoc->last, target);
1.187 schwarze 421: if (target->type == ROFFT_HEAD)
1.212 schwarze 422: target->flags |= NODE_ENDED;
1.210 schwarze 423: else if ( ! (target->flags & NODE_ENDED)) {
1.227 schwarze 424: mandoc_msg(MANDOCERR_BLK_NEST,
425: line, ppos, "%s breaks %s",
426: roff_name[tok], roff_name[n->tok]);
1.187 schwarze 427: mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 428: tok, target);
1.187 schwarze 429: }
430: }
431: }
1.202 schwarze 432: return irc;
1.187 schwarze 433: }
434:
435: /*
1.105 kristaps 436: * Allocate a word and check whether it's punctuation or not.
437: * Punctuation consists of those tokens found in mdoc_isdelim().
438: */
1.150 schwarze 439: static void
1.189 schwarze 440: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 441: enum mdelim d, int may_append)
1.105 kristaps 442: {
1.131 schwarze 443:
1.150 schwarze 444: if (d == DELIM_MAX)
1.105 kristaps 445: d = mdoc_isdelim(p);
446:
1.123 schwarze 447: if (may_append &&
1.150 schwarze 448: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 449: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 450: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 451: roff_word_append(mdoc, p);
1.150 schwarze 452: return;
1.123 schwarze 453: }
454:
1.192 schwarze 455: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 456:
1.108 schwarze 457: /*
1.144 schwarze 458: * If the word consists of a bare delimiter,
459: * flag the new node accordingly,
460: * unless doing so was vetoed by the invoking macro.
461: * Always clear the veto, it is only valid for one word.
1.108 schwarze 462: */
463:
1.144 schwarze 464: if (d == DELIM_OPEN)
1.210 schwarze 465: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 466: else if (d == DELIM_CLOSE &&
467: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 468: mdoc->last->parent->tok != MDOC_Fd)
1.210 schwarze 469: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 470: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 471: }
1.1 kristaps 472:
1.150 schwarze 473: static void
1.189 schwarze 474: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 475: {
1.153 schwarze 476: char *p;
1.66 kristaps 477: int la;
1.228 schwarze 478: enum margserr ac;
1.1 kristaps 479:
1.150 schwarze 480: if (buf[*pos] == '\0')
481: return;
1.1 kristaps 482:
483: for (;;) {
1.66 kristaps 484: la = *pos;
1.228 schwarze 485: ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p);
486: if (ac == ARGS_EOLN)
1.1 kristaps 487: break;
1.123 schwarze 488: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 489:
490: /*
491: * If we encounter end-of-sentence symbols, then trigger
492: * the double-space.
493: *
1.109 kristaps 494: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 495: * the last symbol, such that `. )' will cause the
496: * correct double-spacing. However, (1) groff isn't
497: * smart enough to do this and (2) it would require
498: * knowing which symbols break this behaviour, for
1.109 kristaps 499: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 500: */
1.150 schwarze 501:
1.127 schwarze 502: if (mandoc_eos(p, strlen(p)))
1.210 schwarze 503: mdoc->last->flags |= NODE_EOS;
1.228 schwarze 504: if (ac == ARGS_ALLOC)
505: free(p);
1.1 kristaps 506: }
507: }
508:
509: /*
1.153 schwarze 510: * Parse one word.
511: * If it is a macro, call it and return 1.
512: * Otherwise, allocate it and return 0.
513: */
514: static int
1.228 schwarze 515: macro_or_word(MACRO_PROT_ARGS, char *p, int parsed)
1.153 schwarze 516: {
1.185 schwarze 517: int ntok;
1.153 schwarze 518:
1.228 schwarze 519: ntok = buf[ppos] == '"' || parsed == 0 ||
520: mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE :
521: lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 522:
1.191 schwarze 523: if (ntok == TOKEN_NONE) {
524: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.225 schwarze 525: mdoc_macro(tok)->flags & MDOC_JOIN);
1.202 schwarze 526: return 0;
1.153 schwarze 527: } else {
1.219 schwarze 528: if (tok != TOKEN_NONE &&
1.225 schwarze 529: mdoc_macro(tok)->fp == in_line_eoln)
1.153 schwarze 530: rew_elem(mdoc, tok);
1.225 schwarze 531: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 532: if (tok == TOKEN_NONE)
1.153 schwarze 533: append_delims(mdoc, line, pos, buf);
1.202 schwarze 534: return 1;
1.153 schwarze 535: }
536: }
537:
538: /*
1.131 schwarze 539: * Close out block partial/full explicit.
1.1 kristaps 540: */
1.151 schwarze 541: static void
1.1 kristaps 542: blk_exp_close(MACRO_PROT_ARGS)
543: {
1.185 schwarze 544: struct roff_node *body; /* Our own body. */
545: struct roff_node *endbody; /* Our own end marker. */
546: struct roff_node *itblk; /* An It block starting later. */
547: struct roff_node *later; /* A sub-block starting later. */
548: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 549: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 550:
1.188 schwarze 551: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 552: enum margserr ac;
1.219 schwarze 553: enum roff_tok atok, ntok;
1.1 kristaps 554: char *p;
555:
1.119 schwarze 556: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 557:
1.1 kristaps 558: switch (tok) {
1.131 schwarze 559: case MDOC_Ec:
1.1 kristaps 560: maxargs = 1;
561: break;
1.131 schwarze 562: case MDOC_Ek:
1.125 schwarze 563: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 564: /* FALLTHROUGH */
1.1 kristaps 565: default:
566: maxargs = 0;
567: break;
568: }
569:
1.209 schwarze 570: /* Search backwards for the beginning of our own body. */
571:
572: atok = rew_alt(tok);
573: body = NULL;
574: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 575: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 576: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
577: continue;
578: body = n;
579: break;
580: }
581:
1.83 schwarze 582: /*
583: * Search backwards for beginnings of blocks,
584: * both of our own and of pending sub-blocks.
585: */
1.151 schwarze 586:
1.209 schwarze 587: endbody = itblk = later = NULL;
1.119 schwarze 588: for (n = mdoc->last; n; n = n->parent) {
1.213 schwarze 589: if (n->flags & NODE_ENDED)
1.83 schwarze 590: continue;
591:
1.209 schwarze 592: /*
1.211 schwarze 593: * Mismatching end macros can never break anything
1.209 schwarze 594: * and we only care about the breaking of BLOCKs.
595: */
1.83 schwarze 596:
1.211 schwarze 597: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 598: continue;
1.160 schwarze 599:
1.211 schwarze 600: /*
601: * SYNOPSIS name blocks can not be broken themselves,
602: * but they do get broken together with a broken child.
603: */
604:
605: if (n->tok == MDOC_Nm) {
606: if (later != NULL)
607: n->flags |= NODE_BROKEN | NODE_ENDED;
608: continue;
609: }
610:
1.160 schwarze 611: if (n->tok == MDOC_It) {
1.171 schwarze 612: itblk = n;
1.160 schwarze 613: continue;
614: }
615:
1.83 schwarze 616: if (atok == n->tok) {
617:
618: /*
619: * Found the start of our own block.
620: * When there is no pending sub block,
621: * just proceed to closing out.
622: */
1.151 schwarze 623:
1.160 schwarze 624: if (later == NULL ||
1.171 schwarze 625: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 626: break;
627:
1.131 schwarze 628: /*
1.167 schwarze 629: * When there is a pending sub block, postpone
630: * closing out the current block until the
631: * rew_pending() closing out the sub-block.
1.83 schwarze 632: * Mark the place where the formatting - but not
633: * the scope - of the current block ends.
634: */
1.151 schwarze 635:
1.227 schwarze 636: mandoc_msg(MANDOCERR_BLK_NEST,
1.183 schwarze 637: line, ppos, "%s breaks %s",
1.219 schwarze 638: roff_name[atok], roff_name[later->tok]);
1.183 schwarze 639:
1.166 schwarze 640: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 641: atok, body);
1.151 schwarze 642:
1.183 schwarze 643: if (tok == MDOC_El)
1.210 schwarze 644: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 645:
1.151 schwarze 646: /*
647: * If a block closing macro taking arguments
648: * breaks another block, put the arguments
1.166 schwarze 649: * into the end marker.
1.151 schwarze 650: */
651:
1.166 schwarze 652: if (maxargs)
1.189 schwarze 653: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 654: break;
1.182 schwarze 655: }
656:
1.214 schwarze 657: /*
658: * Explicit blocks close out description lines, but
659: * even those can get broken together with a child.
660: */
1.182 schwarze 661:
662: if (n->tok == MDOC_Nd) {
1.214 schwarze 663: if (later != NULL)
664: n->flags |= NODE_BROKEN | NODE_ENDED;
665: else
666: rew_last(mdoc, n);
1.182 schwarze 667: continue;
1.83 schwarze 668: }
669:
1.183 schwarze 670: /* Breaking an open sub block. */
1.151 schwarze 671:
1.213 schwarze 672: break_intermediate(mdoc->last, body);
1.210 schwarze 673: n->flags |= NODE_BROKEN;
1.183 schwarze 674: if (later == NULL)
1.83 schwarze 675: later = n;
676: }
1.166 schwarze 677:
678: if (body == NULL) {
1.227 schwarze 679: mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
680: "%s", roff_name[tok]);
1.166 schwarze 681: if (maxargs && endbody == NULL) {
682: /*
683: * Stray .Ec without previous .Eo:
684: * Break the output line, keep the arguments.
685: */
1.221 schwarze 686: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
687: rew_elem(mdoc, ROFF_br);
1.166 schwarze 688: }
689: } else if (endbody == NULL) {
690: rew_last(mdoc, body);
691: if (maxargs)
692: mdoc_tail_alloc(mdoc, line, ppos, atok);
693: }
1.83 schwarze 694:
1.225 schwarze 695: if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
1.150 schwarze 696: if (buf[*pos] != '\0')
1.227 schwarze 697: mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
698: "%s %s", roff_name[tok], buf + *pos);
1.171 schwarze 699: if (endbody == NULL && n != NULL)
1.167 schwarze 700: rew_pending(mdoc, n);
1.231 schwarze 701:
702: /*
703: * Restore the fill mode that was set before the display.
704: * This needs to be done here rather than during validation
705: * such that subsequent nodes get the right flags.
706: */
707:
708: if (tok == MDOC_Ed && body != NULL) {
709: if (body->flags & NODE_NOFILL)
710: mdoc->flags |= ROFF_NOFILL;
711: else
712: mdoc->flags &= ~ROFF_NOFILL;
713: }
1.151 schwarze 714: return;
1.1 kristaps 715: }
716:
1.166 schwarze 717: if (endbody != NULL)
718: n = endbody;
1.197 schwarze 719:
720: ntok = TOKEN_NONE;
1.148 schwarze 721: for (j = 0; ; j++) {
1.1 kristaps 722: lastarg = *pos;
723:
1.186 schwarze 724: if (j == maxargs && n != NULL)
725: rew_last(mdoc, n);
1.1 kristaps 726:
1.119 schwarze 727: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 728: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 729: break;
730:
1.224 schwarze 731: ntok = lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 732:
1.191 schwarze 733: if (ntok == TOKEN_NONE) {
1.150 schwarze 734: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.225 schwarze 735: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 schwarze 736: if (ac == ARGS_ALLOC)
737: free(p);
1.54 kristaps 738: continue;
739: }
1.228 schwarze 740: if (ac == ARGS_ALLOC)
741: free(p);
1.1 kristaps 742:
1.186 schwarze 743: if (n != NULL)
744: rew_last(mdoc, n);
1.122 schwarze 745: mdoc->flags &= ~MDOC_NEWLINE;
1.225 schwarze 746: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 747: break;
1.1 kristaps 748: }
749:
1.188 schwarze 750: if (n != NULL) {
1.212 schwarze 751: pending = 0;
1.210 schwarze 752: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 753: target = n;
754: do
755: target = target->parent;
1.210 schwarze 756: while ( ! (target->flags & NODE_ENDED));
1.215 schwarze 757: pending = find_pending(mdoc, ntok, line, ppos, target);
1.212 schwarze 758: }
1.188 schwarze 759: if ( ! pending)
760: rew_pending(mdoc, n);
761: }
1.150 schwarze 762: if (nl)
763: append_delims(mdoc, line, pos, buf);
1.1 kristaps 764: }
765:
1.151 schwarze 766: static void
1.1 kristaps 767: in_line(MACRO_PROT_ARGS)
768: {
1.144 schwarze 769: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.219 schwarze 770: enum roff_tok ntok;
1.55 kristaps 771: enum margserr ac;
1.67 schwarze 772: enum mdelim d;
1.53 kristaps 773: struct mdoc_arg *arg;
774: char *p;
1.1 kristaps 775:
1.119 schwarze 776: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 777:
1.4 kristaps 778: /*
779: * Whether we allow ignored elements (those without content,
780: * usually because of reserved words) to squeak by.
781: */
1.45 kristaps 782:
1.4 kristaps 783: switch (tok) {
1.131 schwarze 784: case MDOC_An:
785: case MDOC_Ar:
786: case MDOC_Fl:
787: case MDOC_Mt:
788: case MDOC_Nm:
789: case MDOC_Pa:
1.4 kristaps 790: nc = 1;
791: break;
792: default:
793: nc = 0;
794: break;
795: }
796:
1.152 schwarze 797: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 798:
1.144 schwarze 799: d = DELIM_NONE;
800: firstarg = 1;
1.142 schwarze 801: mayopen = 1;
1.70 kristaps 802: for (cnt = scope = 0;; ) {
1.1 kristaps 803: la = *pos;
1.119 schwarze 804: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 805:
1.144 schwarze 806: /*
807: * At the end of a macro line,
808: * opening delimiters do not suppress spacing.
809: */
810:
811: if (ac == ARGS_EOLN) {
812: if (d == DELIM_OPEN)
1.210 schwarze 813: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 814: break;
1.144 schwarze 815: }
816:
817: /*
818: * The rest of the macro line is only punctuation,
819: * to be handled by append_delims().
820: * If there were no other arguments,
821: * do not allow the first one to suppress spacing,
822: * even if it turns out to be a closing one.
823: */
824:
825: if (ac == ARGS_PUNCT) {
1.176 schwarze 826: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 827: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 828: break;
1.144 schwarze 829: }
1.1 kristaps 830:
1.224 schwarze 831: ntok = (tok == MDOC_Fn && !cnt) ?
1.191 schwarze 832: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 833:
1.131 schwarze 834: /*
1.4 kristaps 835: * In this case, we've located a submacro and must
836: * execute it. Close out scope, if open. If no
837: * elements have been generated, either create one (nc)
838: * or raise a warning.
839: */
1.1 kristaps 840:
1.191 schwarze 841: if (ntok != TOKEN_NONE) {
1.149 schwarze 842: if (scope)
843: rew_elem(mdoc, tok);
1.150 schwarze 844: if (nc && ! cnt) {
845: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 846: rew_last(mdoc, mdoc->last);
1.150 schwarze 847: } else if ( ! nc && ! cnt) {
1.7 kristaps 848: mdoc_argv_free(arg);
1.135 schwarze 849: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1.227 schwarze 850: line, ppos, "%s", roff_name[tok]);
1.7 kristaps 851: }
1.225 schwarze 852: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
853: line, la, pos, buf);
1.150 schwarze 854: if (nl)
855: append_delims(mdoc, line, pos, buf);
1.228 schwarze 856: if (ac == ARGS_ALLOC)
857: free(p);
1.151 schwarze 858: return;
1.131 schwarze 859: }
1.1 kristaps 860:
1.131 schwarze 861: /*
1.224 schwarze 862: * Handle punctuation. Set up our scope, if a word;
863: * rewind the scope, if a delimiter; then append the word.
1.4 kristaps 864: */
1.1 kristaps 865:
1.224 schwarze 866: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.70 kristaps 867: /*
868: * If we encounter closing punctuation, no word
1.144 schwarze 869: * has been emitted, no scope is open, and we're
1.70 kristaps 870: * allowed to have an empty element, then start
1.142 schwarze 871: * a new scope.
1.70 kristaps 872: */
1.142 schwarze 873: if ((d == DELIM_CLOSE ||
874: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 875: !cnt && !scope && nc && mayopen) {
1.150 schwarze 876: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 877: scope = 1;
1.142 schwarze 878: cnt++;
1.150 schwarze 879: if (tok == MDOC_Nm)
1.142 schwarze 880: mayopen = 0;
1.70 kristaps 881: }
882: /*
883: * Close out our scope, if one is open, before
884: * any punctuation.
885: */
1.224 schwarze 886: if (scope && tok != MDOC_Lk) {
1.149 schwarze 887: rew_elem(mdoc, tok);
1.224 schwarze 888: scope = 0;
889: if (tok == MDOC_Fn)
890: mayopen = 0;
891: }
1.142 schwarze 892: } else if (mayopen && !scope) {
1.150 schwarze 893: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 894: scope = 1;
1.142 schwarze 895: cnt++;
1.1 kristaps 896: }
1.105 kristaps 897:
1.150 schwarze 898: dword(mdoc, line, la, p, d,
1.225 schwarze 899: mdoc_macro(tok)->flags & MDOC_JOIN);
1.39 kristaps 900:
1.228 schwarze 901: if (ac == ARGS_ALLOC)
902: free(p);
903:
1.39 kristaps 904: /*
1.144 schwarze 905: * If the first argument is a closing delimiter,
906: * do not suppress spacing before it.
907: */
908:
909: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 910: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 911: firstarg = 0;
912:
913: /*
1.39 kristaps 914: * `Fl' macros have their scope re-opened with each new
915: * word so that the `-' can be added to each one without
916: * having to parse out spaces.
917: */
1.150 schwarze 918: if (scope && tok == MDOC_Fl) {
1.149 schwarze 919: rew_elem(mdoc, tok);
1.70 kristaps 920: scope = 0;
1.39 kristaps 921: }
1.1 kristaps 922: }
923:
1.218 schwarze 924: if (scope && tok != MDOC_Lk) {
1.149 schwarze 925: rew_elem(mdoc, tok);
1.218 schwarze 926: scope = 0;
927: }
1.4 kristaps 928:
929: /*
930: * If no elements have been collected and we're allowed to have
931: * empties (nc), open a scope and close it out. Otherwise,
932: * raise a warning.
933: */
1.45 kristaps 934:
1.150 schwarze 935: if ( ! cnt) {
936: if (nc) {
937: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
938: rew_last(mdoc, mdoc->last);
939: } else {
940: mdoc_argv_free(arg);
1.227 schwarze 941: mandoc_msg(MANDOCERR_MACRO_EMPTY,
942: line, ppos, "%s", roff_name[tok]);
1.150 schwarze 943: }
1.7 kristaps 944: }
1.150 schwarze 945: if (nl)
946: append_delims(mdoc, line, pos, buf);
1.218 schwarze 947: if (scope)
948: rew_elem(mdoc, tok);
1.1 kristaps 949: }
950:
1.151 schwarze 951: static void
1.1 kristaps 952: blk_full(MACRO_PROT_ARGS)
953: {
954: struct mdoc_arg *arg;
1.185 schwarze 955: struct roff_node *blk; /* Our own or a broken block. */
956: struct roff_node *head; /* Our own head. */
957: struct roff_node *body; /* Our own body. */
958: struct roff_node *n;
1.231 schwarze 959: char *p;
960: size_t iarg;
961: int done, la, nl, parsed;
1.59 kristaps 962: enum margserr ac, lac;
1.1 kristaps 963:
1.119 schwarze 964: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 965:
1.177 schwarze 966: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
1.227 schwarze 967: mandoc_msg(MANDOCERR_MACRO_EMPTY,
968: line, ppos, "%s", roff_name[tok]);
1.177 schwarze 969: return;
970: }
971:
1.225 schwarze 972: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.171 schwarze 973:
974: /* Here, tok is one of Sh Ss Nm Nd It. */
975:
976: blk = NULL;
977: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 978: if (n->flags & NODE_ENDED) {
979: if ( ! (n->flags & NODE_VALID))
980: n->flags |= NODE_BROKEN;
1.183 schwarze 981: continue;
982: }
1.184 schwarze 983: if (n->type != ROFFT_BLOCK)
1.171 schwarze 984: continue;
1.183 schwarze 985:
1.171 schwarze 986: if (tok == MDOC_It && n->tok == MDOC_Bl) {
987: if (blk != NULL) {
1.227 schwarze 988: mandoc_msg(MANDOCERR_BLK_BROKEN,
989: line, ppos, "It breaks %s",
1.219 schwarze 990: roff_name[blk->tok]);
1.171 schwarze 991: rew_pending(mdoc, blk);
992: }
993: break;
994: }
995:
1.225 schwarze 996: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.171 schwarze 997: switch (tok) {
998: case MDOC_Sh:
999: case MDOC_Ss:
1.227 schwarze 1000: mandoc_msg(MANDOCERR_BLK_BROKEN,
1001: line, ppos,
1.219 schwarze 1002: "%s breaks %s", roff_name[tok],
1003: roff_name[n->tok]);
1.171 schwarze 1004: rew_pending(mdoc, n);
1.180 schwarze 1005: n = mdoc->last;
1.171 schwarze 1006: continue;
1007: case MDOC_It:
1008: /* Delay in case it's astray. */
1009: blk = n;
1010: continue;
1011: default:
1012: break;
1013: }
1014: break;
1015: }
1016:
1017: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 1018:
1.171 schwarze 1019: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1020: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1021: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 1022: break;
1.171 schwarze 1023:
1024: /* Item breaking an explicit block. */
1025:
1026: if (blk != NULL) {
1.227 schwarze 1027: mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
1.219 schwarze 1028: "It breaks %s", roff_name[blk->tok]);
1.171 schwarze 1029: rew_pending(mdoc, blk);
1.172 schwarze 1030: blk = NULL;
1.171 schwarze 1031: }
1032:
1033: /* Close out prior implicit scopes. */
1034:
1.211 schwarze 1035: rew_pending(mdoc, n);
1.171 schwarze 1036: }
1037:
1038: /* Skip items outside lists. */
1039:
1040: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.227 schwarze 1041: mandoc_msg(MANDOCERR_IT_STRAY,
1.138 schwarze 1042: line, ppos, "It %s", buf + *pos);
1.221 schwarze 1043: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1044: rew_elem(mdoc, ROFF_br);
1.151 schwarze 1045: return;
1.138 schwarze 1046: }
1.1 kristaps 1047: }
1048:
1.45 kristaps 1049: /*
1.109 kristaps 1050: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1051: * macro openings. Implicit ones first close out prior scope
1052: * (seen above). Delay opening the head until necessary to
1053: * allow leading punctuation to print. Special consideration
1054: * for `It -column', which has phrase-part syntax instead of
1055: * regular child nodes.
1056: */
1057:
1.232 schwarze 1058: switch (tok) {
1059: case MDOC_Sh:
1.231 schwarze 1060: mdoc->flags &= ~ROFF_NOFILL;
1.232 schwarze 1061: break;
1062: case MDOC_Ss:
1063: mdoc->flags |= ROFF_NONOFILL;
1064: break;
1065: default:
1066: break;
1067: }
1.152 schwarze 1068: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1069: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1070: head = body = NULL;
1.115 schwarze 1071:
1072: /*
1073: * Exception: Heads of `It' macros in `-diag' lists are not
1074: * parsed, even though `It' macros in general are parsed.
1075: */
1.151 schwarze 1076:
1.153 schwarze 1077: parsed = tok != MDOC_It ||
1078: mdoc->last->parent->tok != MDOC_Bl ||
1079: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1080:
1.45 kristaps 1081: /*
1082: * The `Nd' macro has all arguments in its body: it's a hybrid
1083: * of block partial-explicit and full-implicit. Stupid.
1084: */
1.19 kristaps 1085:
1.150 schwarze 1086: if (tok == MDOC_Nd) {
1.190 schwarze 1087: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1088: rew_last(mdoc, head);
1.190 schwarze 1089: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1090: }
1091:
1.150 schwarze 1092: if (tok == MDOC_Bk)
1.123 schwarze 1093: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1094:
1.205 schwarze 1095: ac = ARGS_EOLN;
1.150 schwarze 1096: for (;;) {
1.205 schwarze 1097:
1098: /*
1099: * If we are right after a tab character,
1100: * do not parse the first word for macros.
1101: */
1102:
1103: if (mdoc->flags & MDOC_PHRASEQN) {
1104: mdoc->flags &= ~MDOC_PHRASEQN;
1105: mdoc->flags |= MDOC_PHRASEQF;
1106: }
1107:
1.45 kristaps 1108: la = *pos;
1.150 schwarze 1109: lac = ac;
1.119 schwarze 1110: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1111: if (ac == ARGS_EOLN) {
1.205 schwarze 1112: if (lac != ARGS_PHRASE ||
1113: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1114: break;
1.205 schwarze 1115:
1.75 kristaps 1116: /*
1.205 schwarze 1117: * This line ends in a tab; start the next
1118: * column now, with a leading blank.
1.75 kristaps 1119: */
1.205 schwarze 1120:
1.167 schwarze 1121: if (body != NULL)
1122: rew_last(mdoc, body);
1.190 schwarze 1123: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1124: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1125: break;
1.75 kristaps 1126: }
1.205 schwarze 1127:
1.174 schwarze 1128: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1.227 schwarze 1129: mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
1130: "%s ... %s", roff_name[tok], buf + la);
1.228 schwarze 1131: if (ac == ARGS_ALLOC)
1132: free(p);
1.174 schwarze 1133: break;
1134: }
1.173 schwarze 1135: if (tok == MDOC_Rs) {
1.227 schwarze 1136: mandoc_msg(MANDOCERR_ARG_SKIP,
1.173 schwarze 1137: line, la, "Rs %s", buf + la);
1.228 schwarze 1138: if (ac == ARGS_ALLOC)
1139: free(p);
1.173 schwarze 1140: break;
1141: }
1142: if (ac == ARGS_PUNCT)
1143: break;
1.45 kristaps 1144:
1.131 schwarze 1145: /*
1.73 kristaps 1146: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1147: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1148: */
1.45 kristaps 1149:
1.150 schwarze 1150: if (head == NULL &&
1151: ac != ARGS_PHRASE &&
1152: mdoc_isdelim(p) == DELIM_OPEN) {
1153: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1154: if (ac == ARGS_ALLOC)
1155: free(p);
1.45 kristaps 1156: continue;
1157: }
1158:
1.74 kristaps 1159: /* Open a head if one hasn't been opened. */
1.45 kristaps 1160:
1.150 schwarze 1161: if (head == NULL)
1.190 schwarze 1162: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1163:
1.205 schwarze 1164: if (ac == ARGS_PHRASE) {
1.151 schwarze 1165:
1.73 kristaps 1166: /*
1.74 kristaps 1167: * If we haven't opened a body yet, rewind the
1168: * head; if we have, rewind that instead.
1169: */
1170:
1.167 schwarze 1171: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1172: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1173:
1.205 schwarze 1174: /* Process to the tab or to the end of the line. */
1.74 kristaps 1175:
1.205 schwarze 1176: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1177: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1178: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1179:
1180: /* There may have been `Ta' macros. */
1181:
1182: while (body->next != NULL)
1183: body = body->next;
1.1 kristaps 1184: continue;
1185: }
1186:
1.228 schwarze 1187: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
1188: if (ac == ARGS_ALLOC)
1189: free(p);
1190: if (done)
1.151 schwarze 1191: break;
1.45 kristaps 1192: }
1.1 kristaps 1193:
1.210 schwarze 1194: if (blk->flags & NODE_VALID)
1.165 schwarze 1195: return;
1.150 schwarze 1196: if (head == NULL)
1.190 schwarze 1197: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1198: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1199: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1200: if (body != NULL)
1.77 kristaps 1201: goto out;
1.187 schwarze 1202: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1203: return;
1.47 kristaps 1204:
1.45 kristaps 1205: /* Close out scopes to remain in a consistent state. */
1206:
1.167 schwarze 1207: rew_last(mdoc, head);
1.190 schwarze 1208: body = roff_body_alloc(mdoc, line, ppos, tok);
1.232 schwarze 1209: if (tok == MDOC_Ss)
1210: mdoc->flags &= ~ROFF_NONOFILL;
1.231 schwarze 1211:
1212: /*
1213: * Set up fill mode for display blocks.
1214: * This needs to be done here up front rather than during
1215: * validation such that child nodes get the right flags.
1216: */
1217:
1218: if (tok == MDOC_Bd && arg != NULL) {
1219: for (iarg = 0; iarg < arg->argc; iarg++) {
1220: switch (arg->argv[iarg].arg) {
1221: case MDOC_Unfilled:
1222: case MDOC_Literal:
1223: mdoc->flags |= ROFF_NOFILL;
1224: break;
1225: case MDOC_Filled:
1226: case MDOC_Ragged:
1227: case MDOC_Centred:
1228: mdoc->flags &= ~ROFF_NOFILL;
1229: break;
1230: default:
1231: continue;
1232: }
1233: break;
1234: }
1235: }
1.77 kristaps 1236: out:
1.150 schwarze 1237: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1238: rew_last(mdoc, body);
1239: rew_last(mdoc, blk);
1.150 schwarze 1240: mdoc->flags &= ~MDOC_FREECOL;
1241: }
1.1 kristaps 1242: }
1243:
1.151 schwarze 1244: static void
1.1 kristaps 1245: blk_part_imp(MACRO_PROT_ARGS)
1246: {
1.228 schwarze 1247: int done, la, nl;
1.55 kristaps 1248: enum margserr ac;
1.1 kristaps 1249: char *p;
1.185 schwarze 1250: struct roff_node *blk; /* saved block context */
1251: struct roff_node *body; /* saved body context */
1252: struct roff_node *n;
1.1 kristaps 1253:
1.119 schwarze 1254: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1255:
1.43 kristaps 1256: /*
1257: * A macro that spans to the end of the line. This is generally
1258: * (but not necessarily) called as the first macro. The block
1259: * has a head as the immediate child, which is always empty,
1260: * followed by zero or more opening punctuation nodes, then the
1261: * body (which may be empty, depending on the macro), then zero
1262: * or more closing punctuation nodes.
1263: */
1.32 kristaps 1264:
1.150 schwarze 1265: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1266: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1267:
1.43 kristaps 1268: /*
1269: * Open the body scope "on-demand", that is, after we've
1270: * processed all our the leading delimiters (open parenthesis,
1271: * etc.).
1272: */
1.1 kristaps 1273:
1.43 kristaps 1274: for (body = NULL; ; ) {
1.32 kristaps 1275: la = *pos;
1.119 schwarze 1276: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1277: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1278: break;
1279:
1.224 schwarze 1280: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1281: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1282: if (ac == ARGS_ALLOC)
1283: free(p);
1.1 kristaps 1284: continue;
1.123 schwarze 1285: }
1.1 kristaps 1286:
1.150 schwarze 1287: if (body == NULL)
1.190 schwarze 1288: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1289:
1.228 schwarze 1290: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1291: if (ac == ARGS_ALLOC)
1292: free(p);
1293: if (done)
1.151 schwarze 1294: break;
1.1 kristaps 1295: }
1.150 schwarze 1296: if (body == NULL)
1.190 schwarze 1297: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1298:
1.187 schwarze 1299: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1300: return;
1301:
1.164 schwarze 1302: rew_last(mdoc, body);
1.150 schwarze 1303: if (nl)
1304: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1305: rew_pending(mdoc, blk);
1.117 schwarze 1306:
1307: /* Move trailing .Ns out of scope. */
1308:
1309: for (n = body->child; n && n->next; n = n->next)
1310: /* Do nothing. */ ;
1.150 schwarze 1311: if (n && n->tok == MDOC_Ns)
1.226 schwarze 1312: roff_node_relink(mdoc, n);
1.1 kristaps 1313: }
1314:
1.151 schwarze 1315: static void
1.1 kristaps 1316: blk_part_exp(MACRO_PROT_ARGS)
1317: {
1.228 schwarze 1318: int done, la, nl;
1.55 kristaps 1319: enum margserr ac;
1.185 schwarze 1320: struct roff_node *head; /* keep track of head */
1.1 kristaps 1321: char *p;
1322:
1.119 schwarze 1323: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1324:
1.43 kristaps 1325: /*
1326: * The opening of an explicit macro having zero or more leading
1327: * punctuation nodes; a head with optional single element (the
1328: * case of `Eo'); and a body that may be empty.
1329: */
1.32 kristaps 1330:
1.193 schwarze 1331: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1332: head = NULL;
1333: for (;;) {
1.32 kristaps 1334: la = *pos;
1.119 schwarze 1335: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1336: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1337: break;
1.43 kristaps 1338:
1339: /* Flush out leading punctuation. */
1340:
1.224 schwarze 1341: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1342: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1343: if (ac == ARGS_ALLOC)
1344: free(p);
1.43 kristaps 1345: continue;
1.123 schwarze 1346: }
1.43 kristaps 1347:
1.150 schwarze 1348: if (head == NULL) {
1.190 schwarze 1349: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1350: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1351: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1352: rew_last(mdoc, head);
1.190 schwarze 1353: roff_body_alloc(mdoc, line, ppos, tok);
1.228 schwarze 1354: if (tok == MDOC_Eo) {
1355: if (ac == ARGS_ALLOC)
1356: free(p);
1.43 kristaps 1357: continue;
1.228 schwarze 1358: }
1.1 kristaps 1359: }
1.43 kristaps 1360:
1.228 schwarze 1361: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1362: if (ac == ARGS_ALLOC)
1363: free(p);
1364: if (done)
1.151 schwarze 1365: break;
1.1 kristaps 1366: }
1367:
1.43 kristaps 1368: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1369:
1.163 schwarze 1370: if (head == NULL) {
1.190 schwarze 1371: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1372: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1373: }
1.150 schwarze 1374: if (nl)
1375: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1376: }
1377:
1.151 schwarze 1378: static void
1.1 kristaps 1379: in_line_argn(MACRO_PROT_ARGS)
1380: {
1.53 kristaps 1381: struct mdoc_arg *arg;
1382: char *p;
1.181 schwarze 1383: enum margserr ac;
1.219 schwarze 1384: enum roff_tok ntok;
1.181 schwarze 1385: int state; /* arg#; -1: not yet open; -2: closed */
1386: int la, maxargs, nl;
1.1 kristaps 1387:
1.156 schwarze 1388: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1389:
1.46 kristaps 1390: /*
1391: * A line macro that has a fixed number of arguments (maxargs).
1392: * Only open the scope once the first non-leading-punctuation is
1393: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1394: * keep it open until the maximum number of arguments are
1395: * exhausted.
1396: */
1.1 kristaps 1397:
1398: switch (tok) {
1.131 schwarze 1399: case MDOC_Ap:
1400: case MDOC_Ns:
1401: case MDOC_Ux:
1.1 kristaps 1402: maxargs = 0;
1403: break;
1.131 schwarze 1404: case MDOC_Bx:
1.132 schwarze 1405: case MDOC_Es:
1.131 schwarze 1406: case MDOC_Xr:
1.42 kristaps 1407: maxargs = 2;
1408: break;
1.1 kristaps 1409: default:
1410: maxargs = 1;
1411: break;
1412: }
1413:
1.152 schwarze 1414: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1415:
1.181 schwarze 1416: state = -1;
1.156 schwarze 1417: p = NULL;
1418: for (;;) {
1.32 kristaps 1419: la = *pos;
1.119 schwarze 1420: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1421:
1.228 schwarze 1422: if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
1.225 schwarze 1423: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.181 schwarze 1424: mdoc_isdelim(p) == DELIM_OPEN) {
1425: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.228 schwarze 1426: if (ac == ARGS_ALLOC)
1427: free(p);
1.181 schwarze 1428: continue;
1429: }
1430:
1431: if (state == -1 && tok != MDOC_In &&
1432: tok != MDOC_St && tok != MDOC_Xr) {
1433: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1434: state = 0;
1435: }
1436:
1.156 schwarze 1437: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1438: if (abs(state) < 2 && tok == MDOC_Pf)
1.227 schwarze 1439: mandoc_msg(MANDOCERR_PF_SKIP,
1440: line, ppos, "Pf %s",
1.156 schwarze 1441: p == NULL ? "at eol" : p);
1.1 kristaps 1442: break;
1.156 schwarze 1443: }
1.1 kristaps 1444:
1.181 schwarze 1445: if (state == maxargs) {
1.149 schwarze 1446: rew_elem(mdoc, tok);
1.181 schwarze 1447: state = -2;
1.46 kristaps 1448: }
1449:
1.224 schwarze 1450: ntok = (tok == MDOC_Pf && state == 0) ?
1.191 schwarze 1451: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1452:
1.191 schwarze 1453: if (ntok != TOKEN_NONE) {
1.181 schwarze 1454: if (state >= 0) {
1.149 schwarze 1455: rew_elem(mdoc, tok);
1.181 schwarze 1456: state = -2;
1457: }
1.225 schwarze 1458: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
1459: line, la, pos, buf);
1.228 schwarze 1460: if (ac == ARGS_ALLOC)
1461: free(p);
1.1 kristaps 1462: break;
1463: }
1464:
1.225 schwarze 1465: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.181 schwarze 1466: mdoc_isdelim(p) == DELIM_NONE) {
1467: if (state == -1) {
1468: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1469: state = 1;
1470: } else if (state >= 0)
1471: state++;
1472: } else if (state >= 0) {
1.149 schwarze 1473: rew_elem(mdoc, tok);
1.181 schwarze 1474: state = -2;
1.1 kristaps 1475: }
1.42 kristaps 1476:
1.150 schwarze 1477: dword(mdoc, line, la, p, DELIM_MAX,
1.225 schwarze 1478: mdoc_macro(tok)->flags & MDOC_JOIN);
1.228 schwarze 1479: if (ac == ARGS_ALLOC)
1480: free(p);
1481: p = mdoc->last->string;
1.1 kristaps 1482: }
1483:
1.181 schwarze 1484: if (state == -1) {
1.227 schwarze 1485: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1486: line, ppos, "%s", roff_name[tok]);
1.181 schwarze 1487: return;
1.156 schwarze 1488: }
1.181 schwarze 1489:
1490: if (state == 0 && tok == MDOC_Pf)
1491: append_delims(mdoc, line, pos, buf);
1492: if (state >= 0)
1.149 schwarze 1493: rew_elem(mdoc, tok);
1.150 schwarze 1494: if (nl)
1495: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1496: }
1497:
1.151 schwarze 1498: static void
1.1 kristaps 1499: in_line_eoln(MACRO_PROT_ARGS)
1500: {
1.185 schwarze 1501: struct roff_node *n;
1.170 schwarze 1502: struct mdoc_arg *arg;
1.1 kristaps 1503:
1.170 schwarze 1504: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1505: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1506: n = mdoc->last;
1.189 schwarze 1507: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1508: n = n->parent;
1509: if (n->tok == MDOC_Nm)
1.198 schwarze 1510: rew_last(mdoc, n->parent);
1.178 schwarze 1511: }
1512:
1.179 schwarze 1513: if (buf[*pos] == '\0' &&
1.219 schwarze 1514: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.227 schwarze 1515: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1516: line, ppos, "%s", roff_name[tok]);
1.178 schwarze 1517: return;
1.170 schwarze 1518: }
1.90 schwarze 1519:
1.152 schwarze 1520: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1521: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1522: if (parse_rest(mdoc, tok, line, pos, buf))
1523: return;
1524: rew_elem(mdoc, tok);
1525: }
1526:
1527: /*
1528: * The simplest argument parser available: Parse the remaining
1529: * words until the end of the phrase or line and return 0
1530: * or until the next macro, call that macro, and return 1.
1531: */
1532: static int
1.219 schwarze 1533: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1534: int line, int *pos, char *buf)
1.154 schwarze 1535: {
1.228 schwarze 1536: char *p;
1537: int done, la;
1538: enum margserr ac;
1.1 kristaps 1539:
1540: for (;;) {
1541: la = *pos;
1.228 schwarze 1542: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1543: if (ac == ARGS_EOLN)
1.202 schwarze 1544: return 0;
1.228 schwarze 1545: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1546: if (ac == ARGS_ALLOC)
1547: free(p);
1548: if (done)
1.202 schwarze 1549: return 1;
1.1 kristaps 1550: }
1551: }
1552:
1.151 schwarze 1553: static void
1.41 kristaps 1554: ctx_synopsis(MACRO_PROT_ARGS)
1555: {
1.60 kristaps 1556:
1.151 schwarze 1557: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1558: in_line(mdoc, tok, line, ppos, pos, buf);
1559: else if (tok == MDOC_Nm)
1560: blk_full(mdoc, tok, line, ppos, pos, buf);
1561: else {
1562: assert(tok == MDOC_Vt);
1563: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1564: }
1.1 kristaps 1565: }
1566:
1.24 kristaps 1567: /*
1568: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1569: * They're unusual because they're basically free-form text until a
1570: * macro is encountered.
1571: */
1.151 schwarze 1572: static void
1.75 kristaps 1573: phrase_ta(MACRO_PROT_ARGS)
1574: {
1.185 schwarze 1575: struct roff_node *body, *n;
1.75 kristaps 1576:
1.121 schwarze 1577: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1578:
1.167 schwarze 1579: body = NULL;
1580: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1581: if (n->flags & NODE_ENDED)
1.167 schwarze 1582: continue;
1.184 schwarze 1583: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1584: body = n;
1.208 schwarze 1585: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1586: break;
1587: }
1588:
1.151 schwarze 1589: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.227 schwarze 1590: mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
1.151 schwarze 1591: return;
1.121 schwarze 1592: }
1.75 kristaps 1593:
1.121 schwarze 1594: /* Advance to the next column. */
1.150 schwarze 1595:
1.167 schwarze 1596: rew_last(mdoc, body);
1.190 schwarze 1597: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1598: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1599: }
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