Annotation of src/usr.bin/mandoc/mdoc_macro.c, Revision 1.188
1.188 ! schwarze 1: /* $OpenBSD: mdoc_macro.c,v 1.187 2018/12/31 04:55:42 schwarze Exp $ */
1.1 kristaps 2: /*
1.74 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.188 ! schwarze 4: * Copyright (c) 2010, 2012-2019 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.140 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.140 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
1.100 schwarze 18: #include <sys/types.h>
19:
1.1 kristaps 20: #include <assert.h>
21: #include <ctype.h>
22: #include <stdlib.h>
23: #include <stdio.h>
24: #include <string.h>
1.26 schwarze 25: #include <time.h>
1.1 kristaps 26:
1.140 schwarze 27: #include "mandoc.h"
28: #include "roff.h"
1.66 schwarze 29: #include "mdoc.h"
1.140 schwarze 30: #include "libmandoc.h"
1.146 schwarze 31: #include "roff_int.h"
1.1 kristaps 32: #include "libmdoc.h"
33:
1.107 schwarze 34: static void blk_full(MACRO_PROT_ARGS);
35: static void blk_exp_close(MACRO_PROT_ARGS);
36: static void blk_part_exp(MACRO_PROT_ARGS);
37: static void blk_part_imp(MACRO_PROT_ARGS);
38: static void ctx_synopsis(MACRO_PROT_ARGS);
39: static void in_line_eoln(MACRO_PROT_ARGS);
40: static void in_line_argn(MACRO_PROT_ARGS);
41: static void in_line(MACRO_PROT_ARGS);
42: static void phrase_ta(MACRO_PROT_ARGS);
1.36 schwarze 43:
1.145 schwarze 44: static void append_delims(struct roff_man *, int, int *, char *);
45: static void dword(struct roff_man *, int, int, const char *,
1.143 schwarze 46: enum mdelim, int);
1.176 schwarze 47: static int find_pending(struct roff_man *, enum roff_tok,
48: int, int, struct roff_node *);
1.145 schwarze 49: static int lookup(struct roff_man *, int, int, int, const char *);
1.185 schwarze 50: static int macro_or_word(MACRO_PROT_ARGS, char *, int);
1.170 schwarze 51: static void break_intermediate(struct roff_node *,
1.176 schwarze 52: struct roff_node *);
53: static int parse_rest(struct roff_man *, enum roff_tok,
54: int, int *, char *);
55: static enum roff_tok rew_alt(enum roff_tok);
56: static void rew_elem(struct roff_man *, enum roff_tok);
1.145 schwarze 57: static void rew_last(struct roff_man *, const struct roff_node *);
58: static void rew_pending(struct roff_man *,
59: const struct roff_node *);
1.1 kristaps 60:
1.182 schwarze 61: static const struct mdoc_macro mdoc_macros[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 62: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
63: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
64: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.80 schwarze 65: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
66: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
67: { in_line_eoln, 0 }, /* Pp */
68: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
69: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 70: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.80 schwarze 71: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 72: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.80 schwarze 73: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
74: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
75: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
76: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.181 schwarze 77: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
78: MDOC_IGNDELIM | MDOC_JOIN }, /* Ap */
1.1 kristaps 79: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.86 schwarze 80: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 81: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.80 schwarze 82: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 85: { in_line_eoln, 0 }, /* Ex */
1.80 schwarze 86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
87: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.80 schwarze 89: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
90: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.85 schwarze 91: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.11 schwarze 92: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.80 schwarze 93: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
94: { blk_full, MDOC_JOIN }, /* Nd */
95: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 96: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.89 schwarze 97: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 98: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
99: { in_line_eoln, 0 }, /* Rv */
1.80 schwarze 100: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 101: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.80 schwarze 102: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.28 schwarze 103: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.80 schwarze 104: { in_line_eoln, MDOC_JOIN }, /* %A */
105: { in_line_eoln, MDOC_JOIN }, /* %B */
106: { in_line_eoln, MDOC_JOIN }, /* %D */
107: { in_line_eoln, MDOC_JOIN }, /* %I */
108: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 109: { in_line_eoln, 0 }, /* %N */
1.80 schwarze 110: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 111: { in_line_eoln, 0 }, /* %P */
1.80 schwarze 112: { in_line_eoln, MDOC_JOIN }, /* %R */
113: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 114: { in_line_eoln, 0 }, /* %V */
1.80 schwarze 115: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
116: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
117: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
118: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
119: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 120: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.80 schwarze 121: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
122: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
123: { blk_full, MDOC_EXPLICIT }, /* Bf */
124: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
125: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
126: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 127: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
128: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
129: { in_line_eoln, 0 }, /* Db */
1.80 schwarze 130: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
131: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
132: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
133: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
134: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
135: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
136: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
137: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 138: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
139: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.3 schwarze 140: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.100 schwarze 141: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.80 schwarze 142: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
143: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 144: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
145: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.80 schwarze 146: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
147: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.35 schwarze 148: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.80 schwarze 149: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
150: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
151: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
152: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
153: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
154: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
155: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
156: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
157: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
158: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 159: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.80 schwarze 160: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
161: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
162: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
163: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
164: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.103 schwarze 165: { in_line_argn, 0 }, /* Sm */
1.80 schwarze 166: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
167: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 168: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.80 schwarze 169: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 170: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
171: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.80 schwarze 172: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
173: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
174: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
175: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
176: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
177: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
178: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 179: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.80 schwarze 180: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 181: { in_line_eoln, 0 }, /* Bt */
182: { in_line_eoln, 0 }, /* Hf */
1.89 schwarze 183: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 184: { in_line_eoln, 0 }, /* Ud */
1.45 schwarze 185: { in_line, 0 }, /* Lb */
1.80 schwarze 186: { in_line_eoln, 0 }, /* Lp */
187: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
188: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
189: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
190: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
191: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
192: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
193: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
194: { in_line_eoln, MDOC_JOIN }, /* %C */
1.89 schwarze 195: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
196: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 197: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.80 schwarze 198: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.25 schwarze 199: { in_line_eoln, 0 }, /* %U */
1.80 schwarze 200: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.1 kristaps 201: };
202:
203:
1.182 schwarze 204: const struct mdoc_macro *
205: mdoc_macro(enum roff_tok tok)
206: {
207: assert(tok >= MDOC_Dd && tok < MDOC_MAX);
208: return mdoc_macros + (tok - MDOC_Dd);
209: }
210:
1.1 kristaps 211: /*
212: * This is called at the end of parsing. It must traverse up the tree,
213: * closing out open [implicit] scopes. Obviously, open explicit scopes
214: * are errors.
215: */
1.107 schwarze 216: void
1.151 schwarze 217: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 218: {
1.141 schwarze 219: struct roff_node *n;
1.1 kristaps 220:
221: /* Scan for open explicit scopes. */
222:
1.166 schwarze 223: n = mdoc->last->flags & NODE_VALID ?
1.88 schwarze 224: mdoc->last->parent : mdoc->last;
1.1 kristaps 225:
1.56 schwarze 226: for ( ; n; n = n->parent)
1.140 schwarze 227: if (n->type == ROFFT_BLOCK &&
1.182 schwarze 228: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT)
1.184 schwarze 229: mandoc_msg(MANDOCERR_BLK_NOEND,
230: n->line, n->pos, "%s", roff_name[n->tok]);
1.1 kristaps 231:
1.22 schwarze 232: /* Rewind to the first. */
233:
1.186 schwarze 234: rew_last(mdoc, mdoc->meta.first);
1.1 kristaps 235: }
236:
1.22 schwarze 237: /*
1.109 schwarze 238: * Look up the macro at *p called by "from",
1.147 schwarze 239: * or as a line macro if from == TOKEN_NONE.
1.22 schwarze 240: */
1.141 schwarze 241: static int
1.145 schwarze 242: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.21 schwarze 243: {
1.176 schwarze 244: enum roff_tok res;
1.1 kristaps 245:
1.161 schwarze 246: if (mdoc->flags & MDOC_PHRASEQF) {
247: mdoc->flags &= ~MDOC_PHRASEQF;
248: return TOKEN_NONE;
249: }
1.182 schwarze 250: if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) {
1.177 schwarze 251: res = roffhash_find(mdoc->mdocmac, p, 0);
1.147 schwarze 252: if (res != TOKEN_NONE) {
1.182 schwarze 253: if (mdoc_macro(res)->flags & MDOC_CALLABLE)
1.158 schwarze 254: return res;
1.184 schwarze 255: mandoc_msg(MANDOCERR_MACRO_CALL, line, ppos, "%s", p);
1.111 schwarze 256: }
1.109 schwarze 257: }
1.158 schwarze 258: return TOKEN_NONE;
1.1 kristaps 259: }
260:
1.122 schwarze 261: /*
262: * Rewind up to and including a specific node.
263: */
1.105 schwarze 264: static void
1.145 schwarze 265: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 266: {
267:
1.166 schwarze 268: if (to->flags & NODE_VALID)
1.142 schwarze 269: return;
270:
1.1 kristaps 271: while (mdoc->last != to) {
1.162 schwarze 272: mdoc_state(mdoc, mdoc->last);
1.166 schwarze 273: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.162 schwarze 274: mdoc->last = mdoc->last->parent;
1.1 kristaps 275: }
1.162 schwarze 276: mdoc_state(mdoc, mdoc->last);
1.166 schwarze 277: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.156 schwarze 278: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 279: }
280:
1.22 schwarze 281: /*
1.122 schwarze 282: * Rewind up to a specific block, including all blocks that broke it.
283: */
284: static void
1.145 schwarze 285: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.122 schwarze 286: {
287:
1.139 schwarze 288: for (;;) {
289: rew_last(mdoc, n);
290:
1.150 schwarze 291: if (mdoc->last == n) {
292: switch (n->type) {
293: case ROFFT_HEAD:
294: roff_body_alloc(mdoc, n->line, n->pos,
295: n->tok);
1.163 schwarze 296: break;
1.150 schwarze 297: case ROFFT_BLOCK:
298: break;
299: default:
300: return;
301: }
1.166 schwarze 302: if ( ! (n->flags & NODE_BROKEN))
1.150 schwarze 303: return;
304: } else
305: n = mdoc->last;
1.122 schwarze 306:
1.139 schwarze 307: for (;;) {
308: if ((n = n->parent) == NULL)
309: return;
310:
1.140 schwarze 311: if (n->type == ROFFT_BLOCK ||
312: n->type == ROFFT_HEAD) {
1.166 schwarze 313: if (n->flags & NODE_ENDED)
1.139 schwarze 314: break;
315: else
316: return;
317: }
318: }
1.122 schwarze 319: }
320: }
321:
322: /*
1.48 schwarze 323: * For a block closing macro, return the corresponding opening one.
324: * Otherwise, return the macro itself.
1.22 schwarze 325: */
1.176 schwarze 326: static enum roff_tok
327: rew_alt(enum roff_tok tok)
1.1 kristaps 328: {
329: switch (tok) {
1.88 schwarze 330: case MDOC_Ac:
1.158 schwarze 331: return MDOC_Ao;
1.88 schwarze 332: case MDOC_Bc:
1.158 schwarze 333: return MDOC_Bo;
1.88 schwarze 334: case MDOC_Brc:
1.158 schwarze 335: return MDOC_Bro;
1.88 schwarze 336: case MDOC_Dc:
1.158 schwarze 337: return MDOC_Do;
1.88 schwarze 338: case MDOC_Ec:
1.158 schwarze 339: return MDOC_Eo;
1.88 schwarze 340: case MDOC_Ed:
1.158 schwarze 341: return MDOC_Bd;
1.88 schwarze 342: case MDOC_Ef:
1.158 schwarze 343: return MDOC_Bf;
1.88 schwarze 344: case MDOC_Ek:
1.158 schwarze 345: return MDOC_Bk;
1.88 schwarze 346: case MDOC_El:
1.158 schwarze 347: return MDOC_Bl;
1.88 schwarze 348: case MDOC_Fc:
1.158 schwarze 349: return MDOC_Fo;
1.88 schwarze 350: case MDOC_Oc:
1.158 schwarze 351: return MDOC_Oo;
1.88 schwarze 352: case MDOC_Pc:
1.158 schwarze 353: return MDOC_Po;
1.88 schwarze 354: case MDOC_Qc:
1.158 schwarze 355: return MDOC_Qo;
1.88 schwarze 356: case MDOC_Re:
1.158 schwarze 357: return MDOC_Rs;
1.88 schwarze 358: case MDOC_Sc:
1.158 schwarze 359: return MDOC_So;
1.88 schwarze 360: case MDOC_Xc:
1.158 schwarze 361: return MDOC_Xo;
1.1 kristaps 362: default:
1.158 schwarze 363: return tok;
1.1 kristaps 364: }
365: }
366:
1.105 schwarze 367: static void
1.176 schwarze 368: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 369: {
1.141 schwarze 370: struct roff_node *n;
1.1 kristaps 371:
372: n = mdoc->last;
1.140 schwarze 373: if (n->type != ROFFT_ELEM)
1.1 kristaps 374: n = n->parent;
1.140 schwarze 375: assert(n->type == ROFFT_ELEM);
1.1 kristaps 376: assert(tok == n->tok);
1.105 schwarze 377: rew_last(mdoc, n);
1.1 kristaps 378: }
379:
1.170 schwarze 380: static void
381: break_intermediate(struct roff_node *n, struct roff_node *breaker)
382: {
1.174 schwarze 383: if (n != breaker &&
384: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
385: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
386: n = n->parent;
1.170 schwarze 387: while (n != breaker) {
388: if ( ! (n->flags & NODE_VALID))
389: n->flags |= NODE_BROKEN;
390: n = n->parent;
391: }
392: }
393:
1.47 schwarze 394: /*
1.143 schwarze 395: * If there is an open sub-block of the target requiring
396: * explicit close-out, postpone closing out the target until
397: * the rew_pending() call closing out the sub-block.
398: */
399: static int
1.176 schwarze 400: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.143 schwarze 401: struct roff_node *target)
402: {
403: struct roff_node *n;
404: int irc;
405:
1.172 schwarze 406: if (target->flags & NODE_VALID)
407: return 0;
408:
1.143 schwarze 409: irc = 0;
410: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.170 schwarze 411: if (n->flags & NODE_ENDED)
1.143 schwarze 412: continue;
413: if (n->type == ROFFT_BLOCK &&
1.182 schwarze 414: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.143 schwarze 415: irc = 1;
1.174 schwarze 416: break_intermediate(mdoc->last, target);
1.143 schwarze 417: if (target->type == ROFFT_HEAD)
1.169 schwarze 418: target->flags |= NODE_ENDED;
1.166 schwarze 419: else if ( ! (target->flags & NODE_ENDED)) {
1.184 schwarze 420: mandoc_msg(MANDOCERR_BLK_NEST,
421: line, ppos, "%s breaks %s",
422: roff_name[tok], roff_name[n->tok]);
1.143 schwarze 423: mdoc_endbody_alloc(mdoc, line, ppos,
1.173 schwarze 424: tok, target);
1.143 schwarze 425: }
426: }
427: }
1.158 schwarze 428: return irc;
1.143 schwarze 429: }
430:
431: /*
1.66 schwarze 432: * Allocate a word and check whether it's punctuation or not.
433: * Punctuation consists of those tokens found in mdoc_isdelim().
434: */
1.106 schwarze 435: static void
1.145 schwarze 436: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.80 schwarze 437: enum mdelim d, int may_append)
1.66 schwarze 438: {
1.88 schwarze 439:
1.106 schwarze 440: if (d == DELIM_MAX)
1.66 schwarze 441: d = mdoc_isdelim(p);
442:
1.80 schwarze 443: if (may_append &&
1.106 schwarze 444: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.140 schwarze 445: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.106 schwarze 446: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.148 schwarze 447: roff_word_append(mdoc, p);
1.106 schwarze 448: return;
1.80 schwarze 449: }
450:
1.148 schwarze 451: roff_word_alloc(mdoc, line, col, p);
1.66 schwarze 452:
1.71 schwarze 453: /*
1.100 schwarze 454: * If the word consists of a bare delimiter,
455: * flag the new node accordingly,
456: * unless doing so was vetoed by the invoking macro.
457: * Always clear the veto, it is only valid for one word.
1.71 schwarze 458: */
459:
1.100 schwarze 460: if (d == DELIM_OPEN)
1.166 schwarze 461: mdoc->last->flags |= NODE_DELIMO;
1.100 schwarze 462: else if (d == DELIM_CLOSE &&
463: ! (mdoc->flags & MDOC_NODELIMC) &&
1.88 schwarze 464: mdoc->last->parent->tok != MDOC_Fd)
1.166 schwarze 465: mdoc->last->flags |= NODE_DELIMC;
1.100 schwarze 466: mdoc->flags &= ~MDOC_NODELIMC;
1.66 schwarze 467: }
1.1 kristaps 468:
1.106 schwarze 469: static void
1.145 schwarze 470: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 471: {
1.109 schwarze 472: char *p;
1.42 schwarze 473: int la;
1.185 schwarze 474: enum margserr ac;
1.1 kristaps 475:
1.106 schwarze 476: if (buf[*pos] == '\0')
477: return;
1.1 kristaps 478:
479: for (;;) {
1.42 schwarze 480: la = *pos;
1.185 schwarze 481: ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p);
482: if (ac == ARGS_EOLN)
1.1 kristaps 483: break;
1.80 schwarze 484: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.43 schwarze 485:
1.42 schwarze 486: /*
487: * If we encounter end-of-sentence symbols, then trigger
488: * the double-space.
489: *
1.68 schwarze 490: * XXX: it's easy to allow this to propagate outward to
1.42 schwarze 491: * the last symbol, such that `. )' will cause the
492: * correct double-spacing. However, (1) groff isn't
493: * smart enough to do this and (2) it would require
494: * knowing which symbols break this behaviour, for
1.68 schwarze 495: * example, `. ;' shouldn't propagate the double-space.
1.42 schwarze 496: */
1.106 schwarze 497:
1.84 schwarze 498: if (mandoc_eos(p, strlen(p)))
1.166 schwarze 499: mdoc->last->flags |= NODE_EOS;
1.185 schwarze 500: if (ac == ARGS_ALLOC)
501: free(p);
1.1 kristaps 502: }
503: }
504:
505: /*
1.109 schwarze 506: * Parse one word.
507: * If it is a macro, call it and return 1.
508: * Otherwise, allocate it and return 0.
509: */
510: static int
1.185 schwarze 511: macro_or_word(MACRO_PROT_ARGS, char *p, int parsed)
1.109 schwarze 512: {
1.141 schwarze 513: int ntok;
1.109 schwarze 514:
1.185 schwarze 515: ntok = buf[ppos] == '"' || parsed == 0 ||
516: mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE :
517: lookup(mdoc, tok, line, ppos, p);
1.109 schwarze 518:
1.147 schwarze 519: if (ntok == TOKEN_NONE) {
520: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.182 schwarze 521: mdoc_macro(tok)->flags & MDOC_JOIN);
1.158 schwarze 522: return 0;
1.109 schwarze 523: } else {
1.176 schwarze 524: if (tok != TOKEN_NONE &&
1.182 schwarze 525: mdoc_macro(tok)->fp == in_line_eoln)
1.109 schwarze 526: rew_elem(mdoc, tok);
1.182 schwarze 527: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
1.147 schwarze 528: if (tok == TOKEN_NONE)
1.109 schwarze 529: append_delims(mdoc, line, pos, buf);
1.158 schwarze 530: return 1;
1.109 schwarze 531: }
532: }
533:
534: /*
1.88 schwarze 535: * Close out block partial/full explicit.
1.1 kristaps 536: */
1.107 schwarze 537: static void
1.1 kristaps 538: blk_exp_close(MACRO_PROT_ARGS)
539: {
1.141 schwarze 540: struct roff_node *body; /* Our own body. */
541: struct roff_node *endbody; /* Our own end marker. */
542: struct roff_node *itblk; /* An It block starting later. */
543: struct roff_node *later; /* A sub-block starting later. */
544: struct roff_node *n; /* Search back to our block. */
1.144 schwarze 545: struct roff_node *target; /* For find_pending(). */
1.47 schwarze 546:
1.144 schwarze 547: int j, lastarg, maxargs, nl, pending;
1.36 schwarze 548: enum margserr ac;
1.176 schwarze 549: enum roff_tok atok, ntok;
1.1 kristaps 550: char *p;
551:
1.76 schwarze 552: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 553:
1.1 kristaps 554: switch (tok) {
1.88 schwarze 555: case MDOC_Ec:
1.1 kristaps 556: maxargs = 1;
557: break;
1.88 schwarze 558: case MDOC_Ek:
1.82 schwarze 559: mdoc->flags &= ~MDOC_KEEP;
1.107 schwarze 560: /* FALLTHROUGH */
1.1 kristaps 561: default:
562: maxargs = 0;
563: break;
564: }
565:
1.165 schwarze 566: /* Search backwards for the beginning of our own body. */
567:
568: atok = rew_alt(tok);
569: body = NULL;
570: for (n = mdoc->last; n; n = n->parent) {
1.166 schwarze 571: if (n->flags & NODE_ENDED || n->tok != atok ||
1.165 schwarze 572: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
573: continue;
574: body = n;
575: break;
576: }
577:
1.47 schwarze 578: /*
579: * Search backwards for beginnings of blocks,
580: * both of our own and of pending sub-blocks.
581: */
1.107 schwarze 582:
1.165 schwarze 583: endbody = itblk = later = NULL;
1.76 schwarze 584: for (n = mdoc->last; n; n = n->parent) {
1.170 schwarze 585: if (n->flags & NODE_ENDED)
1.47 schwarze 586: continue;
587:
1.165 schwarze 588: /*
1.167 schwarze 589: * Mismatching end macros can never break anything
1.165 schwarze 590: * and we only care about the breaking of BLOCKs.
591: */
1.47 schwarze 592:
1.167 schwarze 593: if (body == NULL || n->type != ROFFT_BLOCK)
1.47 schwarze 594: continue;
1.116 schwarze 595:
1.167 schwarze 596: /*
597: * SYNOPSIS name blocks can not be broken themselves,
598: * but they do get broken together with a broken child.
599: */
600:
601: if (n->tok == MDOC_Nm) {
602: if (later != NULL)
603: n->flags |= NODE_BROKEN | NODE_ENDED;
604: continue;
605: }
606:
1.116 schwarze 607: if (n->tok == MDOC_It) {
1.127 schwarze 608: itblk = n;
1.116 schwarze 609: continue;
610: }
611:
1.47 schwarze 612: if (atok == n->tok) {
613:
614: /*
615: * Found the start of our own block.
616: * When there is no pending sub block,
617: * just proceed to closing out.
618: */
1.107 schwarze 619:
1.116 schwarze 620: if (later == NULL ||
1.127 schwarze 621: (tok == MDOC_El && itblk == NULL))
1.47 schwarze 622: break;
623:
1.88 schwarze 624: /*
1.123 schwarze 625: * When there is a pending sub block, postpone
626: * closing out the current block until the
627: * rew_pending() closing out the sub-block.
1.47 schwarze 628: * Mark the place where the formatting - but not
629: * the scope - of the current block ends.
630: */
1.107 schwarze 631:
1.184 schwarze 632: mandoc_msg(MANDOCERR_BLK_NEST,
1.139 schwarze 633: line, ppos, "%s breaks %s",
1.176 schwarze 634: roff_name[atok], roff_name[later->tok]);
1.139 schwarze 635:
1.122 schwarze 636: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.173 schwarze 637: atok, body);
1.107 schwarze 638:
1.139 schwarze 639: if (tok == MDOC_El)
1.166 schwarze 640: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.139 schwarze 641:
1.107 schwarze 642: /*
643: * If a block closing macro taking arguments
644: * breaks another block, put the arguments
1.122 schwarze 645: * into the end marker.
1.107 schwarze 646: */
647:
1.122 schwarze 648: if (maxargs)
1.145 schwarze 649: mdoc->next = ROFF_NEXT_CHILD;
1.47 schwarze 650: break;
1.138 schwarze 651: }
652:
1.171 schwarze 653: /*
654: * Explicit blocks close out description lines, but
655: * even those can get broken together with a child.
656: */
1.138 schwarze 657:
658: if (n->tok == MDOC_Nd) {
1.171 schwarze 659: if (later != NULL)
660: n->flags |= NODE_BROKEN | NODE_ENDED;
661: else
662: rew_last(mdoc, n);
1.138 schwarze 663: continue;
1.47 schwarze 664: }
665:
1.139 schwarze 666: /* Breaking an open sub block. */
1.107 schwarze 667:
1.170 schwarze 668: break_intermediate(mdoc->last, body);
1.166 schwarze 669: n->flags |= NODE_BROKEN;
1.139 schwarze 670: if (later == NULL)
1.47 schwarze 671: later = n;
672: }
1.122 schwarze 673:
674: if (body == NULL) {
1.184 schwarze 675: mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
676: "%s", roff_name[tok]);
1.122 schwarze 677: if (maxargs && endbody == NULL) {
678: /*
679: * Stray .Ec without previous .Eo:
680: * Break the output line, keep the arguments.
681: */
1.178 schwarze 682: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
683: rew_elem(mdoc, ROFF_br);
1.122 schwarze 684: }
685: } else if (endbody == NULL) {
686: rew_last(mdoc, body);
687: if (maxargs)
688: mdoc_tail_alloc(mdoc, line, ppos, atok);
689: }
1.47 schwarze 690:
1.182 schwarze 691: if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
1.106 schwarze 692: if (buf[*pos] != '\0')
1.184 schwarze 693: mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
694: "%s %s", roff_name[tok], buf + *pos);
1.127 schwarze 695: if (endbody == NULL && n != NULL)
1.123 schwarze 696: rew_pending(mdoc, n);
1.188 ! schwarze 697:
! 698: /*
! 699: * Restore the fill mode that was set before the display.
! 700: * This needs to be done here rather than during validation
! 701: * such that subsequent nodes get the right flags.
! 702: */
! 703:
! 704: if (tok == MDOC_Ed && body != NULL) {
! 705: if (body->flags & NODE_NOFILL)
! 706: mdoc->flags |= ROFF_NOFILL;
! 707: else
! 708: mdoc->flags &= ~ROFF_NOFILL;
! 709: }
1.107 schwarze 710: return;
1.1 kristaps 711: }
712:
1.122 schwarze 713: if (endbody != NULL)
714: n = endbody;
1.153 schwarze 715:
716: ntok = TOKEN_NONE;
1.104 schwarze 717: for (j = 0; ; j++) {
1.1 kristaps 718: lastarg = *pos;
719:
1.142 schwarze 720: if (j == maxargs && n != NULL)
721: rew_last(mdoc, n);
1.1 kristaps 722:
1.76 schwarze 723: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 724: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 725: break;
726:
1.181 schwarze 727: ntok = lookup(mdoc, tok, line, lastarg, p);
1.36 schwarze 728:
1.147 schwarze 729: if (ntok == TOKEN_NONE) {
1.106 schwarze 730: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.182 schwarze 731: mdoc_macro(tok)->flags & MDOC_JOIN);
1.185 schwarze 732: if (ac == ARGS_ALLOC)
733: free(p);
1.36 schwarze 734: continue;
735: }
1.185 schwarze 736: if (ac == ARGS_ALLOC)
737: free(p);
1.1 kristaps 738:
1.142 schwarze 739: if (n != NULL)
740: rew_last(mdoc, n);
1.79 schwarze 741: mdoc->flags &= ~MDOC_NEWLINE;
1.182 schwarze 742: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.36 schwarze 743: break;
1.1 kristaps 744: }
745:
1.144 schwarze 746: if (n != NULL) {
1.169 schwarze 747: pending = 0;
1.166 schwarze 748: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.144 schwarze 749: target = n;
750: do
751: target = target->parent;
1.166 schwarze 752: while ( ! (target->flags & NODE_ENDED));
1.172 schwarze 753: pending = find_pending(mdoc, ntok, line, ppos, target);
1.169 schwarze 754: }
1.144 schwarze 755: if ( ! pending)
756: rew_pending(mdoc, n);
757: }
1.106 schwarze 758: if (nl)
759: append_delims(mdoc, line, pos, buf);
1.1 kristaps 760: }
761:
1.107 schwarze 762: static void
1.1 kristaps 763: in_line(MACRO_PROT_ARGS)
764: {
1.100 schwarze 765: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.176 schwarze 766: enum roff_tok ntok;
1.36 schwarze 767: enum margserr ac;
1.40 schwarze 768: enum mdelim d;
1.36 schwarze 769: struct mdoc_arg *arg;
770: char *p;
1.1 kristaps 771:
1.76 schwarze 772: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 773:
1.1 kristaps 774: /*
775: * Whether we allow ignored elements (those without content,
776: * usually because of reserved words) to squeak by.
777: */
1.32 schwarze 778:
1.1 kristaps 779: switch (tok) {
1.88 schwarze 780: case MDOC_An:
781: case MDOC_Ar:
782: case MDOC_Fl:
783: case MDOC_Mt:
784: case MDOC_Nm:
785: case MDOC_Pa:
1.1 kristaps 786: nc = 1;
787: break;
788: default:
789: nc = 0;
790: break;
791: }
792:
1.108 schwarze 793: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 794:
1.100 schwarze 795: d = DELIM_NONE;
796: firstarg = 1;
1.98 schwarze 797: mayopen = 1;
1.45 schwarze 798: for (cnt = scope = 0;; ) {
1.1 kristaps 799: la = *pos;
1.76 schwarze 800: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 801:
1.100 schwarze 802: /*
803: * At the end of a macro line,
804: * opening delimiters do not suppress spacing.
805: */
806:
807: if (ac == ARGS_EOLN) {
808: if (d == DELIM_OPEN)
1.166 schwarze 809: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 810: break;
1.100 schwarze 811: }
812:
813: /*
814: * The rest of the macro line is only punctuation,
815: * to be handled by append_delims().
816: * If there were no other arguments,
817: * do not allow the first one to suppress spacing,
818: * even if it turns out to be a closing one.
819: */
820:
821: if (ac == ARGS_PUNCT) {
1.132 schwarze 822: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.100 schwarze 823: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 824: break;
1.100 schwarze 825: }
1.1 kristaps 826:
1.181 schwarze 827: ntok = (tok == MDOC_Fn && !cnt) ?
1.147 schwarze 828: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 829:
1.88 schwarze 830: /*
1.1 kristaps 831: * In this case, we've located a submacro and must
832: * execute it. Close out scope, if open. If no
833: * elements have been generated, either create one (nc)
834: * or raise a warning.
835: */
836:
1.147 schwarze 837: if (ntok != TOKEN_NONE) {
1.105 schwarze 838: if (scope)
839: rew_elem(mdoc, tok);
1.106 schwarze 840: if (nc && ! cnt) {
841: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.105 schwarze 842: rew_last(mdoc, mdoc->last);
1.106 schwarze 843: } else if ( ! nc && ! cnt) {
1.1 kristaps 844: mdoc_argv_free(arg);
1.92 schwarze 845: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1.184 schwarze 846: line, ppos, "%s", roff_name[tok]);
1.1 kristaps 847: }
1.182 schwarze 848: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
849: line, la, pos, buf);
1.106 schwarze 850: if (nl)
851: append_delims(mdoc, line, pos, buf);
1.185 schwarze 852: if (ac == ARGS_ALLOC)
853: free(p);
1.107 schwarze 854: return;
1.88 schwarze 855: }
1.1 kristaps 856:
1.88 schwarze 857: /*
1.181 schwarze 858: * Handle punctuation. Set up our scope, if a word;
859: * rewind the scope, if a delimiter; then append the word.
1.1 kristaps 860: */
861:
1.181 schwarze 862: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.45 schwarze 863: /*
864: * If we encounter closing punctuation, no word
1.100 schwarze 865: * has been emitted, no scope is open, and we're
1.45 schwarze 866: * allowed to have an empty element, then start
1.98 schwarze 867: * a new scope.
1.45 schwarze 868: */
1.98 schwarze 869: if ((d == DELIM_CLOSE ||
870: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.100 schwarze 871: !cnt && !scope && nc && mayopen) {
1.106 schwarze 872: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 873: scope = 1;
1.98 schwarze 874: cnt++;
1.106 schwarze 875: if (tok == MDOC_Nm)
1.98 schwarze 876: mayopen = 0;
1.45 schwarze 877: }
878: /*
879: * Close out our scope, if one is open, before
880: * any punctuation.
881: */
1.181 schwarze 882: if (scope && tok != MDOC_Lk) {
1.105 schwarze 883: rew_elem(mdoc, tok);
1.181 schwarze 884: scope = 0;
885: if (tok == MDOC_Fn)
886: mayopen = 0;
887: }
1.98 schwarze 888: } else if (mayopen && !scope) {
1.106 schwarze 889: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 890: scope = 1;
1.98 schwarze 891: cnt++;
1.1 kristaps 892: }
1.66 schwarze 893:
1.106 schwarze 894: dword(mdoc, line, la, p, d,
1.182 schwarze 895: mdoc_macro(tok)->flags & MDOC_JOIN);
1.27 schwarze 896:
1.185 schwarze 897: if (ac == ARGS_ALLOC)
898: free(p);
899:
1.27 schwarze 900: /*
1.100 schwarze 901: * If the first argument is a closing delimiter,
902: * do not suppress spacing before it.
903: */
904:
905: if (firstarg && d == DELIM_CLOSE && !nc)
1.166 schwarze 906: mdoc->last->flags &= ~NODE_DELIMC;
1.100 schwarze 907: firstarg = 0;
908:
909: /*
1.27 schwarze 910: * `Fl' macros have their scope re-opened with each new
911: * word so that the `-' can be added to each one without
912: * having to parse out spaces.
913: */
1.106 schwarze 914: if (scope && tok == MDOC_Fl) {
1.105 schwarze 915: rew_elem(mdoc, tok);
1.45 schwarze 916: scope = 0;
1.27 schwarze 917: }
1.1 kristaps 918: }
919:
1.175 schwarze 920: if (scope && tok != MDOC_Lk) {
1.105 schwarze 921: rew_elem(mdoc, tok);
1.175 schwarze 922: scope = 0;
923: }
1.1 kristaps 924:
925: /*
926: * If no elements have been collected and we're allowed to have
927: * empties (nc), open a scope and close it out. Otherwise,
928: * raise a warning.
929: */
1.32 schwarze 930:
1.106 schwarze 931: if ( ! cnt) {
932: if (nc) {
933: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
934: rew_last(mdoc, mdoc->last);
935: } else {
936: mdoc_argv_free(arg);
1.184 schwarze 937: mandoc_msg(MANDOCERR_MACRO_EMPTY,
938: line, ppos, "%s", roff_name[tok]);
1.106 schwarze 939: }
1.1 kristaps 940: }
1.106 schwarze 941: if (nl)
942: append_delims(mdoc, line, pos, buf);
1.175 schwarze 943: if (scope)
944: rew_elem(mdoc, tok);
1.1 kristaps 945: }
946:
1.107 schwarze 947: static void
1.1 kristaps 948: blk_full(MACRO_PROT_ARGS)
949: {
950: struct mdoc_arg *arg;
1.141 schwarze 951: struct roff_node *blk; /* Our own or a broken block. */
952: struct roff_node *head; /* Our own head. */
953: struct roff_node *body; /* Our own body. */
954: struct roff_node *n;
1.188 ! schwarze 955: char *p;
! 956: size_t iarg;
! 957: int done, la, nl, parsed;
1.37 schwarze 958: enum margserr ac, lac;
1.1 kristaps 959:
1.76 schwarze 960: nl = MDOC_NEWLINE & mdoc->flags;
1.95 schwarze 961:
1.133 schwarze 962: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
1.184 schwarze 963: mandoc_msg(MANDOCERR_MACRO_EMPTY,
964: line, ppos, "%s", roff_name[tok]);
1.133 schwarze 965: return;
966: }
967:
1.182 schwarze 968: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.127 schwarze 969:
970: /* Here, tok is one of Sh Ss Nm Nd It. */
971:
972: blk = NULL;
973: for (n = mdoc->last; n != NULL; n = n->parent) {
1.166 schwarze 974: if (n->flags & NODE_ENDED) {
975: if ( ! (n->flags & NODE_VALID))
976: n->flags |= NODE_BROKEN;
1.139 schwarze 977: continue;
978: }
1.140 schwarze 979: if (n->type != ROFFT_BLOCK)
1.127 schwarze 980: continue;
1.139 schwarze 981:
1.127 schwarze 982: if (tok == MDOC_It && n->tok == MDOC_Bl) {
983: if (blk != NULL) {
1.184 schwarze 984: mandoc_msg(MANDOCERR_BLK_BROKEN,
985: line, ppos, "It breaks %s",
1.176 schwarze 986: roff_name[blk->tok]);
1.127 schwarze 987: rew_pending(mdoc, blk);
988: }
989: break;
990: }
991:
1.182 schwarze 992: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.127 schwarze 993: switch (tok) {
994: case MDOC_Sh:
995: case MDOC_Ss:
1.184 schwarze 996: mandoc_msg(MANDOCERR_BLK_BROKEN,
997: line, ppos,
1.176 schwarze 998: "%s breaks %s", roff_name[tok],
999: roff_name[n->tok]);
1.127 schwarze 1000: rew_pending(mdoc, n);
1.136 schwarze 1001: n = mdoc->last;
1.127 schwarze 1002: continue;
1003: case MDOC_It:
1004: /* Delay in case it's astray. */
1005: blk = n;
1006: continue;
1007: default:
1008: break;
1009: }
1010: break;
1011: }
1012:
1013: /* Here, n is one of Sh Ss Nm Nd It. */
1.95 schwarze 1014:
1.127 schwarze 1015: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
1016: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
1017: (tok != MDOC_It && n->tok == MDOC_It)))))
1.95 schwarze 1018: break;
1.127 schwarze 1019:
1020: /* Item breaking an explicit block. */
1021:
1022: if (blk != NULL) {
1.184 schwarze 1023: mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
1.176 schwarze 1024: "It breaks %s", roff_name[blk->tok]);
1.127 schwarze 1025: rew_pending(mdoc, blk);
1.128 schwarze 1026: blk = NULL;
1.127 schwarze 1027: }
1028:
1029: /* Close out prior implicit scopes. */
1030:
1.167 schwarze 1031: rew_pending(mdoc, n);
1.127 schwarze 1032: }
1033:
1034: /* Skip items outside lists. */
1035:
1036: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.184 schwarze 1037: mandoc_msg(MANDOCERR_IT_STRAY,
1.95 schwarze 1038: line, ppos, "It %s", buf + *pos);
1.178 schwarze 1039: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1040: rew_elem(mdoc, ROFF_br);
1.107 schwarze 1041: return;
1.95 schwarze 1042: }
1.1 kristaps 1043: }
1044:
1.32 schwarze 1045: /*
1.68 schwarze 1046: * This routine accommodates implicitly- and explicitly-scoped
1.32 schwarze 1047: * macro openings. Implicit ones first close out prior scope
1048: * (seen above). Delay opening the head until necessary to
1049: * allow leading punctuation to print. Special consideration
1050: * for `It -column', which has phrase-part syntax instead of
1051: * regular child nodes.
1052: */
1053:
1.188 ! schwarze 1054: if (tok == MDOC_Sh)
! 1055: mdoc->flags &= ~ROFF_NOFILL;
! 1056:
1.108 schwarze 1057: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.121 schwarze 1058: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.34 schwarze 1059: head = body = NULL;
1.1 kristaps 1060:
1.32 schwarze 1061: /*
1.73 schwarze 1062: * Exception: Heads of `It' macros in `-diag' lists are not
1063: * parsed, even though `It' macros in general are parsed.
1064: */
1.107 schwarze 1065:
1.109 schwarze 1066: parsed = tok != MDOC_It ||
1067: mdoc->last->parent->tok != MDOC_Bl ||
1068: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.73 schwarze 1069:
1070: /*
1.32 schwarze 1071: * The `Nd' macro has all arguments in its body: it's a hybrid
1072: * of block partial-explicit and full-implicit. Stupid.
1073: */
1.12 schwarze 1074:
1.106 schwarze 1075: if (tok == MDOC_Nd) {
1.146 schwarze 1076: head = roff_head_alloc(mdoc, line, ppos, tok);
1.118 schwarze 1077: rew_last(mdoc, head);
1.146 schwarze 1078: body = roff_body_alloc(mdoc, line, ppos, tok);
1.80 schwarze 1079: }
1080:
1.106 schwarze 1081: if (tok == MDOC_Bk)
1.80 schwarze 1082: mdoc->flags |= MDOC_KEEP;
1.12 schwarze 1083:
1.161 schwarze 1084: ac = ARGS_EOLN;
1.106 schwarze 1085: for (;;) {
1.161 schwarze 1086:
1087: /*
1088: * If we are right after a tab character,
1089: * do not parse the first word for macros.
1090: */
1091:
1092: if (mdoc->flags & MDOC_PHRASEQN) {
1093: mdoc->flags &= ~MDOC_PHRASEQN;
1094: mdoc->flags |= MDOC_PHRASEQF;
1095: }
1096:
1.32 schwarze 1097: la = *pos;
1.106 schwarze 1098: lac = ac;
1.76 schwarze 1099: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1100: if (ac == ARGS_EOLN) {
1.161 schwarze 1101: if (lac != ARGS_PHRASE ||
1102: ! (mdoc->flags & MDOC_PHRASEQF))
1.46 schwarze 1103: break;
1.161 schwarze 1104:
1.46 schwarze 1105: /*
1.161 schwarze 1106: * This line ends in a tab; start the next
1107: * column now, with a leading blank.
1.46 schwarze 1108: */
1.161 schwarze 1109:
1.123 schwarze 1110: if (body != NULL)
1111: rew_last(mdoc, body);
1.146 schwarze 1112: body = roff_body_alloc(mdoc, line, ppos, tok);
1.161 schwarze 1113: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1114: break;
1.41 schwarze 1115: }
1.161 schwarze 1116:
1.130 schwarze 1117: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1.184 schwarze 1118: mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
1119: "%s ... %s", roff_name[tok], buf + la);
1.185 schwarze 1120: if (ac == ARGS_ALLOC)
1121: free(p);
1.130 schwarze 1122: break;
1123: }
1.129 schwarze 1124: if (tok == MDOC_Rs) {
1.184 schwarze 1125: mandoc_msg(MANDOCERR_ARG_SKIP,
1.129 schwarze 1126: line, la, "Rs %s", buf + la);
1.185 schwarze 1127: if (ac == ARGS_ALLOC)
1128: free(p);
1.129 schwarze 1129: break;
1130: }
1131: if (ac == ARGS_PUNCT)
1132: break;
1.41 schwarze 1133:
1.88 schwarze 1134: /*
1.46 schwarze 1135: * Emit leading punctuation (i.e., punctuation before
1.140 schwarze 1136: * the ROFFT_HEAD) for non-phrase types.
1.46 schwarze 1137: */
1.32 schwarze 1138:
1.106 schwarze 1139: if (head == NULL &&
1140: ac != ARGS_PHRASE &&
1141: mdoc_isdelim(p) == DELIM_OPEN) {
1142: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1143: if (ac == ARGS_ALLOC)
1144: free(p);
1.32 schwarze 1145: continue;
1146: }
1147:
1.46 schwarze 1148: /* Open a head if one hasn't been opened. */
1.32 schwarze 1149:
1.106 schwarze 1150: if (head == NULL)
1.146 schwarze 1151: head = roff_head_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1152:
1.161 schwarze 1153: if (ac == ARGS_PHRASE) {
1.107 schwarze 1154:
1.46 schwarze 1155: /*
1156: * If we haven't opened a body yet, rewind the
1157: * head; if we have, rewind that instead.
1158: */
1159:
1.123 schwarze 1160: rew_last(mdoc, body == NULL ? head : body);
1.146 schwarze 1161: body = roff_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1162:
1.161 schwarze 1163: /* Process to the tab or to the end of the line. */
1.46 schwarze 1164:
1.161 schwarze 1165: mdoc->flags |= MDOC_PHRASE;
1.147 schwarze 1166: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.161 schwarze 1167: mdoc->flags &= ~MDOC_PHRASE;
1.160 schwarze 1168:
1169: /* There may have been `Ta' macros. */
1170:
1171: while (body->next != NULL)
1172: body = body->next;
1.1 kristaps 1173: continue;
1174: }
1175:
1.185 schwarze 1176: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
1177: if (ac == ARGS_ALLOC)
1178: free(p);
1179: if (done)
1.107 schwarze 1180: break;
1.32 schwarze 1181: }
1.1 kristaps 1182:
1.166 schwarze 1183: if (blk->flags & NODE_VALID)
1.121 schwarze 1184: return;
1.106 schwarze 1185: if (head == NULL)
1.146 schwarze 1186: head = roff_head_alloc(mdoc, line, ppos, tok);
1.130 schwarze 1187: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.106 schwarze 1188: append_delims(mdoc, line, pos, buf);
1.107 schwarze 1189: if (body != NULL)
1.46 schwarze 1190: goto out;
1.143 schwarze 1191: if (find_pending(mdoc, tok, line, ppos, head))
1.139 schwarze 1192: return;
1.54 schwarze 1193:
1.32 schwarze 1194: /* Close out scopes to remain in a consistent state. */
1.12 schwarze 1195:
1.123 schwarze 1196: rew_last(mdoc, head);
1.146 schwarze 1197: body = roff_body_alloc(mdoc, line, ppos, tok);
1.188 ! schwarze 1198:
! 1199: /*
! 1200: * Set up fill mode for display blocks.
! 1201: * This needs to be done here up front rather than during
! 1202: * validation such that child nodes get the right flags.
! 1203: */
! 1204:
! 1205: if (tok == MDOC_Bd && arg != NULL) {
! 1206: for (iarg = 0; iarg < arg->argc; iarg++) {
! 1207: switch (arg->argv[iarg].arg) {
! 1208: case MDOC_Unfilled:
! 1209: case MDOC_Literal:
! 1210: mdoc->flags |= ROFF_NOFILL;
! 1211: break;
! 1212: case MDOC_Filled:
! 1213: case MDOC_Ragged:
! 1214: case MDOC_Centred:
! 1215: mdoc->flags &= ~ROFF_NOFILL;
! 1216: break;
! 1217: default:
! 1218: continue;
! 1219: }
! 1220: break;
! 1221: }
! 1222: }
1.46 schwarze 1223: out:
1.106 schwarze 1224: if (mdoc->flags & MDOC_FREECOL) {
1.123 schwarze 1225: rew_last(mdoc, body);
1226: rew_last(mdoc, blk);
1.106 schwarze 1227: mdoc->flags &= ~MDOC_FREECOL;
1228: }
1.1 kristaps 1229: }
1230:
1.107 schwarze 1231: static void
1.1 kristaps 1232: blk_part_imp(MACRO_PROT_ARGS)
1233: {
1.185 schwarze 1234: int done, la, nl;
1.36 schwarze 1235: enum margserr ac;
1.1 kristaps 1236: char *p;
1.141 schwarze 1237: struct roff_node *blk; /* saved block context */
1238: struct roff_node *body; /* saved body context */
1239: struct roff_node *n;
1.1 kristaps 1240:
1.76 schwarze 1241: nl = MDOC_NEWLINE & mdoc->flags;
1.43 schwarze 1242:
1.32 schwarze 1243: /*
1244: * A macro that spans to the end of the line. This is generally
1245: * (but not necessarily) called as the first macro. The block
1246: * has a head as the immediate child, which is always empty,
1247: * followed by zero or more opening punctuation nodes, then the
1248: * body (which may be empty, depending on the macro), then zero
1249: * or more closing punctuation nodes.
1250: */
1.22 schwarze 1251:
1.106 schwarze 1252: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.146 schwarze 1253: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1254:
1.32 schwarze 1255: /*
1256: * Open the body scope "on-demand", that is, after we've
1257: * processed all our the leading delimiters (open parenthesis,
1258: * etc.).
1259: */
1.1 kristaps 1260:
1.32 schwarze 1261: for (body = NULL; ; ) {
1.22 schwarze 1262: la = *pos;
1.76 schwarze 1263: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1264: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1265: break;
1266:
1.181 schwarze 1267: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.106 schwarze 1268: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1269: if (ac == ARGS_ALLOC)
1270: free(p);
1.1 kristaps 1271: continue;
1.80 schwarze 1272: }
1.1 kristaps 1273:
1.106 schwarze 1274: if (body == NULL)
1.146 schwarze 1275: body = roff_body_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1276:
1.185 schwarze 1277: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1278: if (ac == ARGS_ALLOC)
1279: free(p);
1280: if (done)
1.107 schwarze 1281: break;
1.32 schwarze 1282: }
1.106 schwarze 1283: if (body == NULL)
1.146 schwarze 1284: body = roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1285:
1.143 schwarze 1286: if (find_pending(mdoc, tok, line, ppos, body))
1.139 schwarze 1287: return;
1288:
1.120 schwarze 1289: rew_last(mdoc, body);
1.106 schwarze 1290: if (nl)
1291: append_delims(mdoc, line, pos, buf);
1.122 schwarze 1292: rew_pending(mdoc, blk);
1.74 schwarze 1293:
1294: /* Move trailing .Ns out of scope. */
1295:
1296: for (n = body->child; n && n->next; n = n->next)
1297: /* Do nothing. */ ;
1.106 schwarze 1298: if (n && n->tok == MDOC_Ns)
1.183 schwarze 1299: roff_node_relink(mdoc, n);
1.1 kristaps 1300: }
1301:
1.107 schwarze 1302: static void
1.1 kristaps 1303: blk_part_exp(MACRO_PROT_ARGS)
1304: {
1.185 schwarze 1305: int done, la, nl;
1.36 schwarze 1306: enum margserr ac;
1.141 schwarze 1307: struct roff_node *head; /* keep track of head */
1.1 kristaps 1308: char *p;
1309:
1.76 schwarze 1310: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 1311:
1.32 schwarze 1312: /*
1313: * The opening of an explicit macro having zero or more leading
1314: * punctuation nodes; a head with optional single element (the
1315: * case of `Eo'); and a body that may be empty.
1316: */
1.22 schwarze 1317:
1.149 schwarze 1318: roff_block_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1319: head = NULL;
1320: for (;;) {
1.22 schwarze 1321: la = *pos;
1.76 schwarze 1322: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1323: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1324: break;
1325:
1.32 schwarze 1326: /* Flush out leading punctuation. */
1327:
1.181 schwarze 1328: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.106 schwarze 1329: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1330: if (ac == ARGS_ALLOC)
1331: free(p);
1.32 schwarze 1332: continue;
1.80 schwarze 1333: }
1.32 schwarze 1334:
1.106 schwarze 1335: if (head == NULL) {
1.146 schwarze 1336: head = roff_head_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1337: if (tok == MDOC_Eo) /* Not parsed. */
1.106 schwarze 1338: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.119 schwarze 1339: rew_last(mdoc, head);
1.146 schwarze 1340: roff_body_alloc(mdoc, line, ppos, tok);
1.185 schwarze 1341: if (tok == MDOC_Eo) {
1342: if (ac == ARGS_ALLOC)
1343: free(p);
1.32 schwarze 1344: continue;
1.185 schwarze 1345: }
1.32 schwarze 1346: }
1347:
1.185 schwarze 1348: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1349: if (ac == ARGS_ALLOC)
1350: free(p);
1351: if (done)
1.107 schwarze 1352: break;
1.1 kristaps 1353: }
1354:
1.32 schwarze 1355: /* Clean-up to leave in a consistent state. */
1356:
1.119 schwarze 1357: if (head == NULL) {
1.146 schwarze 1358: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1359: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1360: }
1.106 schwarze 1361: if (nl)
1362: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1363: }
1364:
1.107 schwarze 1365: static void
1.1 kristaps 1366: in_line_argn(MACRO_PROT_ARGS)
1367: {
1.36 schwarze 1368: struct mdoc_arg *arg;
1369: char *p;
1.137 schwarze 1370: enum margserr ac;
1.176 schwarze 1371: enum roff_tok ntok;
1.137 schwarze 1372: int state; /* arg#; -1: not yet open; -2: closed */
1373: int la, maxargs, nl;
1.1 kristaps 1374:
1.112 schwarze 1375: nl = mdoc->flags & MDOC_NEWLINE;
1.37 schwarze 1376:
1.32 schwarze 1377: /*
1378: * A line macro that has a fixed number of arguments (maxargs).
1379: * Only open the scope once the first non-leading-punctuation is
1380: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1381: * keep it open until the maximum number of arguments are
1382: * exhausted.
1383: */
1.1 kristaps 1384:
1385: switch (tok) {
1.88 schwarze 1386: case MDOC_Ap:
1387: case MDOC_Ns:
1388: case MDOC_Ux:
1.1 kristaps 1389: maxargs = 0;
1390: break;
1.88 schwarze 1391: case MDOC_Bx:
1.89 schwarze 1392: case MDOC_Es:
1.88 schwarze 1393: case MDOC_Xr:
1.28 schwarze 1394: maxargs = 2;
1395: break;
1.1 kristaps 1396: default:
1397: maxargs = 1;
1398: break;
1399: }
1400:
1.108 schwarze 1401: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1402:
1.137 schwarze 1403: state = -1;
1.112 schwarze 1404: p = NULL;
1405: for (;;) {
1.22 schwarze 1406: la = *pos;
1.76 schwarze 1407: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.137 schwarze 1408:
1.185 schwarze 1409: if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
1.182 schwarze 1410: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.137 schwarze 1411: mdoc_isdelim(p) == DELIM_OPEN) {
1412: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.185 schwarze 1413: if (ac == ARGS_ALLOC)
1414: free(p);
1.137 schwarze 1415: continue;
1416: }
1417:
1418: if (state == -1 && tok != MDOC_In &&
1419: tok != MDOC_St && tok != MDOC_Xr) {
1420: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1421: state = 0;
1422: }
1423:
1.112 schwarze 1424: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.137 schwarze 1425: if (abs(state) < 2 && tok == MDOC_Pf)
1.184 schwarze 1426: mandoc_msg(MANDOCERR_PF_SKIP,
1427: line, ppos, "Pf %s",
1.112 schwarze 1428: p == NULL ? "at eol" : p);
1.1 kristaps 1429: break;
1.112 schwarze 1430: }
1.1 kristaps 1431:
1.137 schwarze 1432: if (state == maxargs) {
1.105 schwarze 1433: rew_elem(mdoc, tok);
1.137 schwarze 1434: state = -2;
1.32 schwarze 1435: }
1436:
1.181 schwarze 1437: ntok = (tok == MDOC_Pf && state == 0) ?
1.147 schwarze 1438: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.36 schwarze 1439:
1.147 schwarze 1440: if (ntok != TOKEN_NONE) {
1.137 schwarze 1441: if (state >= 0) {
1.105 schwarze 1442: rew_elem(mdoc, tok);
1.137 schwarze 1443: state = -2;
1444: }
1.182 schwarze 1445: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
1446: line, la, pos, buf);
1.185 schwarze 1447: if (ac == ARGS_ALLOC)
1448: free(p);
1.1 kristaps 1449: break;
1450: }
1451:
1.182 schwarze 1452: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.137 schwarze 1453: mdoc_isdelim(p) == DELIM_NONE) {
1454: if (state == -1) {
1455: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1456: state = 1;
1457: } else if (state >= 0)
1458: state++;
1459: } else if (state >= 0) {
1.105 schwarze 1460: rew_elem(mdoc, tok);
1.137 schwarze 1461: state = -2;
1.28 schwarze 1462: }
1463:
1.106 schwarze 1464: dword(mdoc, line, la, p, DELIM_MAX,
1.182 schwarze 1465: mdoc_macro(tok)->flags & MDOC_JOIN);
1.185 schwarze 1466: if (ac == ARGS_ALLOC)
1467: free(p);
1468: p = mdoc->last->string;
1.1 kristaps 1469: }
1470:
1.137 schwarze 1471: if (state == -1) {
1.184 schwarze 1472: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1473: line, ppos, "%s", roff_name[tok]);
1.137 schwarze 1474: return;
1.112 schwarze 1475: }
1.137 schwarze 1476:
1477: if (state == 0 && tok == MDOC_Pf)
1478: append_delims(mdoc, line, pos, buf);
1479: if (state >= 0)
1.105 schwarze 1480: rew_elem(mdoc, tok);
1.106 schwarze 1481: if (nl)
1482: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1483: }
1484:
1.107 schwarze 1485: static void
1.1 kristaps 1486: in_line_eoln(MACRO_PROT_ARGS)
1487: {
1.141 schwarze 1488: struct roff_node *n;
1.126 schwarze 1489: struct mdoc_arg *arg;
1.1 kristaps 1490:
1.126 schwarze 1491: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1492: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1493: n = mdoc->last;
1.145 schwarze 1494: if (mdoc->next == ROFF_NEXT_SIBLING)
1.126 schwarze 1495: n = n->parent;
1496: if (n->tok == MDOC_Nm)
1.154 schwarze 1497: rew_last(mdoc, n->parent);
1.134 schwarze 1498: }
1499:
1.135 schwarze 1500: if (buf[*pos] == '\0' &&
1.176 schwarze 1501: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.184 schwarze 1502: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1503: line, ppos, "%s", roff_name[tok]);
1.134 schwarze 1504: return;
1.126 schwarze 1505: }
1.53 schwarze 1506:
1.108 schwarze 1507: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.106 schwarze 1508: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.110 schwarze 1509: if (parse_rest(mdoc, tok, line, pos, buf))
1510: return;
1511: rew_elem(mdoc, tok);
1512: }
1513:
1514: /*
1515: * The simplest argument parser available: Parse the remaining
1516: * words until the end of the phrase or line and return 0
1517: * or until the next macro, call that macro, and return 1.
1518: */
1519: static int
1.176 schwarze 1520: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1521: int line, int *pos, char *buf)
1.110 schwarze 1522: {
1.185 schwarze 1523: char *p;
1524: int done, la;
1525: enum margserr ac;
1.1 kristaps 1526:
1527: for (;;) {
1528: la = *pos;
1.185 schwarze 1529: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1530: if (ac == ARGS_EOLN)
1.158 schwarze 1531: return 0;
1.185 schwarze 1532: done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
1533: if (ac == ARGS_ALLOC)
1534: free(p);
1535: if (done)
1.158 schwarze 1536: return 1;
1.1 kristaps 1537: }
1.28 schwarze 1538: }
1539:
1.107 schwarze 1540: static void
1.28 schwarze 1541: ctx_synopsis(MACRO_PROT_ARGS)
1542: {
1.37 schwarze 1543:
1.107 schwarze 1544: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1545: in_line(mdoc, tok, line, ppos, pos, buf);
1546: else if (tok == MDOC_Nm)
1547: blk_full(mdoc, tok, line, ppos, pos, buf);
1548: else {
1549: assert(tok == MDOC_Vt);
1550: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1551: }
1.1 kristaps 1552: }
1553:
1.17 schwarze 1554: /*
1555: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1556: * They're unusual because they're basically free-form text until a
1557: * macro is encountered.
1558: */
1.107 schwarze 1559: static void
1.46 schwarze 1560: phrase_ta(MACRO_PROT_ARGS)
1561: {
1.141 schwarze 1562: struct roff_node *body, *n;
1.46 schwarze 1563:
1.78 schwarze 1564: /* Make sure we are in a column list or ignore this macro. */
1.107 schwarze 1565:
1.123 schwarze 1566: body = NULL;
1567: for (n = mdoc->last; n != NULL; n = n->parent) {
1.166 schwarze 1568: if (n->flags & NODE_ENDED)
1.123 schwarze 1569: continue;
1.140 schwarze 1570: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.123 schwarze 1571: body = n;
1.164 schwarze 1572: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.123 schwarze 1573: break;
1574: }
1575:
1.107 schwarze 1576: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.184 schwarze 1577: mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
1.107 schwarze 1578: return;
1.78 schwarze 1579: }
1.46 schwarze 1580:
1.78 schwarze 1581: /* Advance to the next column. */
1.106 schwarze 1582:
1.123 schwarze 1583: rew_last(mdoc, body);
1.146 schwarze 1584: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.147 schwarze 1585: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.46 schwarze 1586: }
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