Annotation of mandoc/mdoc_macro.c, Revision 1.181
1.181 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.180 2015/02/07 16:42:33 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.162 schwarze 4: * Copyright (c) 2010, 2012-2015 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: *
1.8 kristaps 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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:
1.106 kristaps 29: #include "mdoc.h"
1.68 kristaps 30: #include "mandoc.h"
1.1 kristaps 31: #include "libmdoc.h"
1.64 kristaps 32: #include "libmandoc.h"
1.1 kristaps 33:
1.151 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);
1.53 kristaps 43:
1.150 schwarze 44: static void dword(struct mdoc *, int, int, const char *,
1.123 schwarze 45: enum mdelim, int);
1.150 schwarze 46: static void append_delims(struct mdoc *, int, int *, char *);
1.155 schwarze 47: static enum mdoct lookup(struct mdoc *, enum mdoct,
48: int, int, const char *);
1.153 schwarze 49: static int macro_or_word(MACRO_PROT_ARGS, int);
1.168 schwarze 50: static void make_pending(struct mdoc *, struct mdoc_node *,
51: struct mdoc_node *, int, int);
1.154 schwarze 52: static int parse_rest(struct mdoc *, enum mdoct,
53: int, int *, char *);
1.131 schwarze 54: static enum mdoct rew_alt(enum mdoct);
1.149 schwarze 55: static void rew_elem(struct mdoc *, enum mdoct);
56: static void rew_last(struct mdoc *, const struct mdoc_node *);
1.166 schwarze 57: static void rew_pending(struct mdoc *, const struct mdoc_node *);
1.1 kristaps 58:
59: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
1.123 schwarze 60: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
1.1 kristaps 61: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
62: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
63: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.123 schwarze 64: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
65: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
66: { in_line_eoln, 0 }, /* Pp */
67: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
68: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 69: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.123 schwarze 70: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 71: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.123 schwarze 72: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
73: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
74: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
75: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.1 kristaps 76: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.129 schwarze 77: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 78: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.123 schwarze 79: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
80: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
81: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 82: { in_line_eoln, 0 }, /* Ex */
1.123 schwarze 83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
84: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 85: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.123 schwarze 86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
87: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.128 schwarze 88: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.18 kristaps 89: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.123 schwarze 90: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
91: { blk_full, MDOC_JOIN }, /* Nd */
92: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 93: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.132 schwarze 94: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 95: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
96: { in_line_eoln, 0 }, /* Rv */
1.123 schwarze 97: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 98: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.123 schwarze 99: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.42 kristaps 100: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.123 schwarze 101: { in_line_eoln, MDOC_JOIN }, /* %A */
102: { in_line_eoln, MDOC_JOIN }, /* %B */
103: { in_line_eoln, MDOC_JOIN }, /* %D */
104: { in_line_eoln, MDOC_JOIN }, /* %I */
105: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 106: { in_line_eoln, 0 }, /* %N */
1.123 schwarze 107: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 108: { in_line_eoln, 0 }, /* %P */
1.123 schwarze 109: { in_line_eoln, MDOC_JOIN }, /* %R */
110: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 111: { in_line_eoln, 0 }, /* %V */
1.123 schwarze 112: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
113: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
114: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
115: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
116: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 117: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.123 schwarze 118: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
119: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
120: { blk_full, MDOC_EXPLICIT }, /* Bf */
121: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
122: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
123: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 124: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
125: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
126: { in_line_eoln, 0 }, /* Db */
1.123 schwarze 127: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
128: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
129: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
130: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
131: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
132: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
133: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
134: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 135: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
136: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.11 kristaps 137: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.144 schwarze 138: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.123 schwarze 139: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
140: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 141: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
142: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.123 schwarze 143: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
144: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.52 kristaps 145: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.123 schwarze 146: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
147: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
148: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
149: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
150: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
151: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
152: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
153: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
154: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
155: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 156: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.123 schwarze 157: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
158: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
159: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
160: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
161: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.147 schwarze 162: { in_line_argn, 0 }, /* Sm */
1.123 schwarze 163: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
164: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 165: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.123 schwarze 166: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 167: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
168: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.123 schwarze 169: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
170: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
171: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
172: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
173: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
174: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
175: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 176: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.123 schwarze 177: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 178: { in_line_eoln, 0 }, /* Bt */
179: { in_line_eoln, 0 }, /* Hf */
1.132 schwarze 180: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 181: { in_line_eoln, 0 }, /* Ud */
1.69 kristaps 182: { in_line, 0 }, /* Lb */
1.123 schwarze 183: { in_line_eoln, 0 }, /* Lp */
184: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
185: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
186: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
187: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
188: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
189: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
190: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
191: { in_line_eoln, MDOC_JOIN }, /* %C */
1.132 schwarze 192: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
193: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 194: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.123 schwarze 195: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.20 kristaps 196: { in_line_eoln, 0 }, /* br */
197: { in_line_eoln, 0 }, /* sp */
1.37 kristaps 198: { in_line_eoln, 0 }, /* %U */
1.123 schwarze 199: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.143 schwarze 200: { in_line_eoln, MDOC_PROLOGUE }, /* ll */
1.1 kristaps 201: };
202:
203: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
204:
205:
206: /*
207: * This is called at the end of parsing. It must traverse up the tree,
208: * closing out open [implicit] scopes. Obviously, open explicit scopes
209: * are errors.
210: */
1.151 schwarze 211: void
1.119 schwarze 212: mdoc_macroend(struct mdoc *mdoc)
1.1 kristaps 213: {
214: struct mdoc_node *n;
215:
216: /* Scan for open explicit scopes. */
217:
1.151 schwarze 218: n = mdoc->last->flags & MDOC_VALID ?
1.131 schwarze 219: mdoc->last->parent : mdoc->last;
1.1 kristaps 220:
1.94 schwarze 221: for ( ; n; n = n->parent)
1.151 schwarze 222: if (n->type == MDOC_BLOCK &&
223: mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
1.137 schwarze 224: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
225: n->line, n->pos, mdoc_macronames[n->tok]);
1.1 kristaps 226:
1.32 kristaps 227: /* Rewind to the first. */
228:
1.149 schwarze 229: rew_last(mdoc, mdoc->first);
1.1 kristaps 230: }
231:
1.32 kristaps 232: /*
1.153 schwarze 233: * Look up the macro at *p called by "from",
234: * or as a line macro if from == MDOC_MAX.
1.32 kristaps 235: */
1.53 kristaps 236: static enum mdoct
1.155 schwarze 237: lookup(struct mdoc *mdoc, enum mdoct from, int line, int ppos, const char *p)
1.28 kristaps 238: {
1.58 kristaps 239: enum mdoct res;
1.1 kristaps 240:
1.153 schwarze 241: if (from == MDOC_MAX || mdoc_macros[from].flags & MDOC_PARSED) {
242: res = mdoc_hash_find(p);
1.155 schwarze 243: if (res != MDOC_MAX) {
244: if (mdoc_macros[res].flags & MDOC_CALLABLE)
245: return(res);
246: if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll)
247: mandoc_msg(MANDOCERR_MACRO_CALL,
248: mdoc->parse, line, ppos, p);
249: }
1.153 schwarze 250: }
1.1 kristaps 251: return(MDOC_MAX);
252: }
253:
1.166 schwarze 254: /*
255: * Rewind up to and including a specific node.
256: */
1.149 schwarze 257: static void
1.32 kristaps 258: rew_last(struct mdoc *mdoc, const struct mdoc_node *to)
1.1 kristaps 259: {
1.100 kristaps 260: struct mdoc_node *n, *np;
1.1 kristaps 261:
262: assert(to);
263: mdoc->next = MDOC_NEXT_SIBLING;
264: while (mdoc->last != to) {
1.100 kristaps 265: /*
266: * Save the parent here, because we may delete the
1.119 schwarze 267: * mdoc->last node in the post-validation phase and reset
268: * it to mdoc->last->parent, causing a step in the closing
1.100 kristaps 269: * out to be lost.
270: */
271: np = mdoc->last->parent;
1.149 schwarze 272: mdoc_valid_post(mdoc);
1.99 kristaps 273: n = mdoc->last;
1.100 kristaps 274: mdoc->last = np;
1.1 kristaps 275: assert(mdoc->last);
1.99 kristaps 276: mdoc->last->last = n;
1.1 kristaps 277: }
1.149 schwarze 278: mdoc_valid_post(mdoc);
1.1 kristaps 279: }
280:
1.32 kristaps 281: /*
1.166 schwarze 282: * Rewind up to a specific block, including all blocks that broke it.
283: */
284: static void
285: rew_pending(struct mdoc *mdoc, const struct mdoc_node *n)
286: {
287:
288: rew_last(mdoc, n);
289:
290: if (n->type != MDOC_BLOCK)
291: return;
292:
293: while ((n = n->pending) != NULL) {
294: rew_last(mdoc, n);
295: if (n->type == MDOC_HEAD)
296: mdoc_body_alloc(mdoc, n->line, n->pos, n->tok);
297: }
298: }
299:
300: /*
1.84 schwarze 301: * For a block closing macro, return the corresponding opening one.
302: * Otherwise, return the macro itself.
1.32 kristaps 303: */
1.47 kristaps 304: static enum mdoct
305: rew_alt(enum mdoct tok)
1.1 kristaps 306: {
307: switch (tok) {
1.131 schwarze 308: case MDOC_Ac:
1.1 kristaps 309: return(MDOC_Ao);
1.131 schwarze 310: case MDOC_Bc:
1.1 kristaps 311: return(MDOC_Bo);
1.131 schwarze 312: case MDOC_Brc:
1.1 kristaps 313: return(MDOC_Bro);
1.131 schwarze 314: case MDOC_Dc:
1.1 kristaps 315: return(MDOC_Do);
1.131 schwarze 316: case MDOC_Ec:
1.1 kristaps 317: return(MDOC_Eo);
1.131 schwarze 318: case MDOC_Ed:
1.1 kristaps 319: return(MDOC_Bd);
1.131 schwarze 320: case MDOC_Ef:
1.1 kristaps 321: return(MDOC_Bf);
1.131 schwarze 322: case MDOC_Ek:
1.1 kristaps 323: return(MDOC_Bk);
1.131 schwarze 324: case MDOC_El:
1.1 kristaps 325: return(MDOC_Bl);
1.131 schwarze 326: case MDOC_Fc:
1.1 kristaps 327: return(MDOC_Fo);
1.131 schwarze 328: case MDOC_Oc:
1.1 kristaps 329: return(MDOC_Oo);
1.131 schwarze 330: case MDOC_Pc:
1.1 kristaps 331: return(MDOC_Po);
1.131 schwarze 332: case MDOC_Qc:
1.1 kristaps 333: return(MDOC_Qo);
1.131 schwarze 334: case MDOC_Re:
1.1 kristaps 335: return(MDOC_Rs);
1.131 schwarze 336: case MDOC_Sc:
1.1 kristaps 337: return(MDOC_So);
1.131 schwarze 338: case MDOC_Xc:
1.1 kristaps 339: return(MDOC_Xo);
340: default:
1.84 schwarze 341: return(tok);
1.1 kristaps 342: }
343: /* NOTREACHED */
344: }
345:
1.149 schwarze 346: static void
1.47 kristaps 347: rew_elem(struct mdoc *mdoc, enum mdoct tok)
1.1 kristaps 348: {
349: struct mdoc_node *n;
350:
351: n = mdoc->last;
352: if (MDOC_ELEM != n->type)
353: n = n->parent;
354: assert(MDOC_ELEM == n->type);
355: assert(tok == n->tok);
1.149 schwarze 356: rew_last(mdoc, n);
1.1 kristaps 357: }
358:
1.83 schwarze 359: /*
1.168 schwarze 360: * We are trying to close the block *breaker,
1.83 schwarze 361: * but the child block *broken is still open.
1.168 schwarze 362: * Thus, postpone closing the *breaker
1.167 schwarze 363: * until the rew_pending() call closing *broken.
1.83 schwarze 364: */
1.168 schwarze 365: static void
366: make_pending(struct mdoc *mdoc, struct mdoc_node *breaker,
367: struct mdoc_node *broken, int line, int ppos)
1.83 schwarze 368: {
1.168 schwarze 369: struct mdoc_node *n;
1.83 schwarze 370:
1.169 schwarze 371: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse, line, ppos,
372: "%s breaks %s", mdoc_macronames[breaker->tok],
373: mdoc_macronames[broken->tok]);
1.168 schwarze 374:
1.169 schwarze 375: /*
376: * If the *broken block (Z) is already broken by a block (B)
377: * contained in the breaker (A), make the breaker pending
378: * on that inner breaker (B). Graphically,
379: *
380: * breaker=[A! broken=n=[B!->A (old broken=)[Z->B B] A] Z]
381: *
382: * In these graphics, "->" indicates the "pending" pointer and
383: * "!" indicates the MDOC_BREAK flag. Each of the cases gets
384: * one additional pointer (B->A) and one additional flag (A!).
385: */
1.83 schwarze 386:
1.169 schwarze 387: for (n = broken->parent; ; n = n->parent)
388: if (n == broken->pending)
1.168 schwarze 389: broken = n;
1.169 schwarze 390: else if (n == breaker)
391: break;
392:
393: /*
394: * Found the breaker.
395: *
396: * If another, outer breaker (X) is already pending on
397: * the *broken block (B), we must not clobber the link
398: * to the outer breaker, but make it pending on the new,
399: * now inner breaker (A). Graphically,
400: *
401: * [X! n=breaker=[A!->X broken=[B(->X)->A X] A] B].
402: */
1.83 schwarze 403:
1.169 schwarze 404: if (broken->pending != NULL) {
405: n = breaker;
1.83 schwarze 406:
407: /*
1.169 schwarze 408: * If the inner breaker (A) is already broken, too,
409: * it cannot take on the outer breaker (X) but must
410: * hand it on to its own breakers (Y). Graphically,
411: *
412: * [X! n=[Y!->X breaker=[A!->Y Y] broken=[B(->X)->A X] A] B]
1.83 schwarze 413: */
414:
1.169 schwarze 415: while (n->pending)
416: n = n->pending;
417: n->pending = broken->pending;
418: }
419:
420: /*
421: * Now we have reduced the situation to the simplest case:
422: * breaker=[A! broken=[B->A A] B].
423: */
1.158 schwarze 424:
1.169 schwarze 425: broken->pending = breaker;
426: breaker->flags |= MDOC_BREAK;
427: if (breaker->body != NULL)
428: breaker->body->flags |= MDOC_BREAK;
1.83 schwarze 429: }
430:
1.105 kristaps 431: /*
432: * Allocate a word and check whether it's punctuation or not.
433: * Punctuation consists of those tokens found in mdoc_isdelim().
434: */
1.150 schwarze 435: static void
1.123 schwarze 436: dword(struct mdoc *mdoc, int line, int col, const char *p,
437: enum mdelim d, int may_append)
1.105 kristaps 438: {
1.131 schwarze 439:
1.150 schwarze 440: if (d == DELIM_MAX)
1.105 kristaps 441: d = mdoc_isdelim(p);
442:
1.123 schwarze 443: if (may_append &&
1.150 schwarze 444: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
445: d == DELIM_NONE && mdoc->last->type == MDOC_TEXT &&
446: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.123 schwarze 447: mdoc_word_append(mdoc, p);
1.150 schwarze 448: return;
1.123 schwarze 449: }
450:
1.150 schwarze 451: mdoc_word_alloc(mdoc, line, col, p);
1.105 kristaps 452:
1.108 schwarze 453: /*
1.144 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.
1.108 schwarze 458: */
459:
1.144 schwarze 460: if (d == DELIM_OPEN)
461: mdoc->last->flags |= MDOC_DELIMO;
462: else if (d == DELIM_CLOSE &&
463: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 464: mdoc->last->parent->tok != MDOC_Fd)
1.119 schwarze 465: mdoc->last->flags |= MDOC_DELIMC;
1.144 schwarze 466: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 467: }
1.1 kristaps 468:
1.150 schwarze 469: static void
1.119 schwarze 470: append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)
1.1 kristaps 471: {
1.153 schwarze 472: char *p;
1.66 kristaps 473: int la;
1.1 kristaps 474:
1.150 schwarze 475: if (buf[*pos] == '\0')
476: return;
1.1 kristaps 477:
478: for (;;) {
1.66 kristaps 479: la = *pos;
1.153 schwarze 480: if (mdoc_args(mdoc, line, pos, buf, MDOC_MAX, &p) == ARGS_EOLN)
1.1 kristaps 481: break;
1.123 schwarze 482: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 483:
484: /*
485: * If we encounter end-of-sentence symbols, then trigger
486: * the double-space.
487: *
1.109 kristaps 488: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 489: * the last symbol, such that `. )' will cause the
490: * correct double-spacing. However, (1) groff isn't
491: * smart enough to do this and (2) it would require
492: * knowing which symbols break this behaviour, for
1.109 kristaps 493: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 494: */
1.150 schwarze 495:
1.127 schwarze 496: if (mandoc_eos(p, strlen(p)))
1.119 schwarze 497: mdoc->last->flags |= MDOC_EOS;
1.1 kristaps 498: }
499: }
500:
501: /*
1.153 schwarze 502: * Parse one word.
503: * If it is a macro, call it and return 1.
504: * Otherwise, allocate it and return 0.
505: */
506: static int
507: macro_or_word(MACRO_PROT_ARGS, int parsed)
508: {
509: char *p;
510: enum mdoct ntok;
511:
512: p = buf + ppos;
513: ntok = MDOC_MAX;
1.157 schwarze 514: if (*p == '"')
1.153 schwarze 515: p++;
1.157 schwarze 516: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.155 schwarze 517: ntok = lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 518:
519: if (ntok == MDOC_MAX) {
520: dword(mdoc, line, ppos, p, DELIM_MAX, tok == MDOC_MAX ||
521: mdoc_macros[tok].flags & MDOC_JOIN);
522: return(0);
523: } else {
524: if (mdoc_macros[tok].fp == in_line_eoln)
525: rew_elem(mdoc, tok);
526: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
527: if (tok == MDOC_MAX)
528: append_delims(mdoc, line, pos, buf);
529: return(1);
530: }
531: }
532:
533: /*
1.131 schwarze 534: * Close out block partial/full explicit.
1.1 kristaps 535: */
1.151 schwarze 536: static void
1.1 kristaps 537: blk_exp_close(MACRO_PROT_ARGS)
538: {
1.83 schwarze 539: struct mdoc_node *body; /* Our own body. */
1.148 schwarze 540: struct mdoc_node *endbody; /* Our own end marker. */
1.171 schwarze 541: struct mdoc_node *itblk; /* An It block starting later. */
1.83 schwarze 542: struct mdoc_node *later; /* A sub-block starting later. */
1.166 schwarze 543: struct mdoc_node *n; /* Search back to our block. */
1.83 schwarze 544:
1.171 schwarze 545: int j, lastarg, maxargs, nl;
1.55 kristaps 546: enum margserr ac;
1.83 schwarze 547: enum mdoct atok, ntok;
1.1 kristaps 548: char *p;
549:
1.119 schwarze 550: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 551:
1.1 kristaps 552: switch (tok) {
1.131 schwarze 553: case MDOC_Ec:
1.1 kristaps 554: maxargs = 1;
555: break;
1.131 schwarze 556: case MDOC_Ek:
1.125 schwarze 557: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 558: /* FALLTHROUGH */
1.1 kristaps 559: default:
560: maxargs = 0;
561: break;
562: }
563:
1.83 schwarze 564: /*
565: * Search backwards for beginnings of blocks,
566: * both of our own and of pending sub-blocks.
567: */
1.151 schwarze 568:
1.83 schwarze 569: atok = rew_alt(tok);
1.171 schwarze 570: body = endbody = itblk = later = NULL;
1.119 schwarze 571: for (n = mdoc->last; n; n = n->parent) {
1.161 schwarze 572: if (n->flags & (MDOC_VALID | MDOC_BREAK))
1.83 schwarze 573: continue;
574:
575: /* Remember the start of our own body. */
1.151 schwarze 576:
1.150 schwarze 577: if (n->type == MDOC_BODY && atok == n->tok) {
1.175 schwarze 578: if (n->end == ENDBODY_NOT)
1.83 schwarze 579: body = n;
580: continue;
581: }
582:
1.150 schwarze 583: if (n->type != MDOC_BLOCK || n->tok == MDOC_Nm)
1.83 schwarze 584: continue;
1.160 schwarze 585:
586: if (n->tok == MDOC_It) {
1.171 schwarze 587: itblk = n;
1.160 schwarze 588: continue;
589: }
590:
1.83 schwarze 591: if (atok == n->tok) {
592: assert(body);
593:
594: /*
595: * Found the start of our own block.
596: * When there is no pending sub block,
597: * just proceed to closing out.
598: */
1.151 schwarze 599:
1.160 schwarze 600: if (later == NULL ||
1.171 schwarze 601: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 602: break;
603:
1.131 schwarze 604: /*
1.167 schwarze 605: * When there is a pending sub block, postpone
606: * closing out the current block until the
607: * rew_pending() closing out the sub-block.
1.83 schwarze 608: */
1.151 schwarze 609:
1.168 schwarze 610: make_pending(mdoc, n, later, line, ppos);
1.171 schwarze 611: if (tok == MDOC_El)
612: itblk->flags |= MDOC_BREAK;
1.83 schwarze 613:
614: /*
615: * Mark the place where the formatting - but not
616: * the scope - of the current block ends.
617: */
1.151 schwarze 618:
1.166 schwarze 619: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.150 schwarze 620: atok, body, ENDBODY_SPACE);
1.151 schwarze 621:
622: /*
623: * If a block closing macro taking arguments
624: * breaks another block, put the arguments
1.166 schwarze 625: * into the end marker.
1.151 schwarze 626: */
627:
1.166 schwarze 628: if (maxargs)
1.148 schwarze 629: mdoc->next = MDOC_NEXT_CHILD;
1.83 schwarze 630: break;
631: }
632:
633: /*
634: * When finding an open sub block, remember the last
635: * open explicit block, or, in case there are only
636: * implicit ones, the first open implicit block.
637: */
1.151 schwarze 638:
1.160 schwarze 639: if (later == NULL ||
640: ! (mdoc_macros[later->tok].flags & MDOC_EXPLICIT))
1.83 schwarze 641: later = n;
642: }
1.166 schwarze 643:
644: if (body == NULL) {
645: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
646: line, ppos, mdoc_macronames[tok]);
647: if (maxargs && endbody == NULL) {
648: /*
649: * Stray .Ec without previous .Eo:
650: * Break the output line, keep the arguments.
651: */
652: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
653: rew_elem(mdoc, MDOC_br);
654: }
655: } else if (endbody == NULL) {
656: rew_last(mdoc, body);
657: if (maxargs)
658: mdoc_tail_alloc(mdoc, line, ppos, atok);
659: }
1.83 schwarze 660:
1.150 schwarze 661: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
662: if (buf[*pos] != '\0')
1.136 schwarze 663: mandoc_vmsg(MANDOCERR_ARG_SKIP,
664: mdoc->parse, line, ppos,
665: "%s %s", mdoc_macronames[tok],
666: buf + *pos);
1.171 schwarze 667: if (endbody == NULL && n != NULL)
1.167 schwarze 668: rew_pending(mdoc, n);
1.151 schwarze 669: return;
1.1 kristaps 670: }
671:
1.166 schwarze 672: if (endbody != NULL)
673: n = endbody;
1.148 schwarze 674: for (j = 0; ; j++) {
1.1 kristaps 675: lastarg = *pos;
676:
1.166 schwarze 677: if (j == maxargs && n != NULL) {
678: rew_pending(mdoc, n);
679: n = NULL;
1.1 kristaps 680: }
681:
1.119 schwarze 682: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 683: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 684: break;
685:
1.155 schwarze 686: ntok = ac == ARGS_QWORD ? MDOC_MAX :
687: lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 688:
1.150 schwarze 689: if (ntok == MDOC_MAX) {
690: dword(mdoc, line, lastarg, p, DELIM_MAX,
691: MDOC_JOIN & mdoc_macros[tok].flags);
1.54 kristaps 692: continue;
693: }
1.1 kristaps 694:
1.166 schwarze 695: if (n != NULL) {
696: rew_pending(mdoc, n);
697: n = NULL;
1.54 kristaps 698: }
1.122 schwarze 699: mdoc->flags &= ~MDOC_NEWLINE;
1.151 schwarze 700: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 701: break;
1.1 kristaps 702: }
703:
1.166 schwarze 704: if (n != NULL)
705: rew_pending(mdoc, n);
1.150 schwarze 706: if (nl)
707: append_delims(mdoc, line, pos, buf);
1.1 kristaps 708: }
709:
1.151 schwarze 710: static void
1.1 kristaps 711: in_line(MACRO_PROT_ARGS)
712: {
1.144 schwarze 713: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.53 kristaps 714: enum mdoct ntok;
1.55 kristaps 715: enum margserr ac;
1.67 schwarze 716: enum mdelim d;
1.53 kristaps 717: struct mdoc_arg *arg;
718: char *p;
1.1 kristaps 719:
1.119 schwarze 720: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 721:
1.4 kristaps 722: /*
723: * Whether we allow ignored elements (those without content,
724: * usually because of reserved words) to squeak by.
725: */
1.45 kristaps 726:
1.4 kristaps 727: switch (tok) {
1.131 schwarze 728: case MDOC_An:
1.26 kristaps 729: /* FALLTHROUGH */
1.131 schwarze 730: case MDOC_Ar:
1.4 kristaps 731: /* FALLTHROUGH */
1.131 schwarze 732: case MDOC_Fl:
1.4 kristaps 733: /* FALLTHROUGH */
1.131 schwarze 734: case MDOC_Mt:
1.12 kristaps 735: /* FALLTHROUGH */
1.131 schwarze 736: case MDOC_Nm:
1.26 kristaps 737: /* FALLTHROUGH */
1.131 schwarze 738: case MDOC_Pa:
1.4 kristaps 739: nc = 1;
740: break;
741: default:
742: nc = 0;
743: break;
744: }
745:
1.152 schwarze 746: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 747:
1.144 schwarze 748: d = DELIM_NONE;
749: firstarg = 1;
1.142 schwarze 750: mayopen = 1;
1.70 kristaps 751: for (cnt = scope = 0;; ) {
1.1 kristaps 752: la = *pos;
1.119 schwarze 753: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 754:
1.144 schwarze 755: /*
756: * At the end of a macro line,
757: * opening delimiters do not suppress spacing.
758: */
759:
760: if (ac == ARGS_EOLN) {
761: if (d == DELIM_OPEN)
762: mdoc->last->flags &= ~MDOC_DELIMO;
1.1 kristaps 763: break;
1.144 schwarze 764: }
765:
766: /*
767: * The rest of the macro line is only punctuation,
768: * to be handled by append_delims().
769: * If there were no other arguments,
770: * do not allow the first one to suppress spacing,
771: * even if it turns out to be a closing one.
772: */
773:
774: if (ac == ARGS_PUNCT) {
1.176 schwarze 775: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 776: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 777: break;
1.144 schwarze 778: }
1.1 kristaps 779:
1.145 schwarze 780: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.155 schwarze 781: MDOC_MAX : lookup(mdoc, tok, line, la, p);
1.1 kristaps 782:
1.131 schwarze 783: /*
1.4 kristaps 784: * In this case, we've located a submacro and must
785: * execute it. Close out scope, if open. If no
786: * elements have been generated, either create one (nc)
787: * or raise a warning.
788: */
1.1 kristaps 789:
1.150 schwarze 790: if (ntok != MDOC_MAX) {
1.149 schwarze 791: if (scope)
792: rew_elem(mdoc, tok);
1.150 schwarze 793: if (nc && ! cnt) {
794: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 795: rew_last(mdoc, mdoc->last);
1.150 schwarze 796: } else if ( ! nc && ! cnt) {
1.7 kristaps 797: mdoc_argv_free(arg);
1.135 schwarze 798: mandoc_msg(MANDOCERR_MACRO_EMPTY,
799: mdoc->parse, line, ppos,
800: mdoc_macronames[tok]);
1.7 kristaps 801: }
1.151 schwarze 802: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.150 schwarze 803: if (nl)
804: append_delims(mdoc, line, pos, buf);
1.151 schwarze 805: return;
1.131 schwarze 806: }
1.1 kristaps 807:
1.131 schwarze 808: /*
1.4 kristaps 809: * Non-quote-enclosed punctuation. Set up our scope, if
810: * a word; rewind the scope, if a delimiter; then append
1.131 schwarze 811: * the word.
1.4 kristaps 812: */
1.1 kristaps 813:
1.150 schwarze 814: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.3 kristaps 815:
1.70 kristaps 816: if (DELIM_NONE != d) {
817: /*
818: * If we encounter closing punctuation, no word
1.144 schwarze 819: * has been emitted, no scope is open, and we're
1.70 kristaps 820: * allowed to have an empty element, then start
1.142 schwarze 821: * a new scope.
1.70 kristaps 822: */
1.142 schwarze 823: if ((d == DELIM_CLOSE ||
824: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 825: !cnt && !scope && nc && mayopen) {
1.150 schwarze 826: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 827: scope = 1;
1.142 schwarze 828: cnt++;
1.150 schwarze 829: if (tok == MDOC_Nm)
1.142 schwarze 830: mayopen = 0;
1.70 kristaps 831: }
832: /*
833: * Close out our scope, if one is open, before
834: * any punctuation.
835: */
1.149 schwarze 836: if (scope)
837: rew_elem(mdoc, tok);
1.70 kristaps 838: scope = 0;
1.145 schwarze 839: if (tok == MDOC_Fn)
840: mayopen = 0;
1.142 schwarze 841: } else if (mayopen && !scope) {
1.150 schwarze 842: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 843: scope = 1;
1.142 schwarze 844: cnt++;
1.1 kristaps 845: }
1.105 kristaps 846:
1.150 schwarze 847: dword(mdoc, line, la, p, d,
848: MDOC_JOIN & mdoc_macros[tok].flags);
1.39 kristaps 849:
850: /*
1.144 schwarze 851: * If the first argument is a closing delimiter,
852: * do not suppress spacing before it.
853: */
854:
855: if (firstarg && d == DELIM_CLOSE && !nc)
856: mdoc->last->flags &= ~MDOC_DELIMC;
857: firstarg = 0;
858:
859: /*
1.39 kristaps 860: * `Fl' macros have their scope re-opened with each new
861: * word so that the `-' can be added to each one without
862: * having to parse out spaces.
863: */
1.150 schwarze 864: if (scope && tok == MDOC_Fl) {
1.149 schwarze 865: rew_elem(mdoc, tok);
1.70 kristaps 866: scope = 0;
1.39 kristaps 867: }
1.1 kristaps 868: }
869:
1.149 schwarze 870: if (scope)
871: rew_elem(mdoc, tok);
1.4 kristaps 872:
873: /*
874: * If no elements have been collected and we're allowed to have
875: * empties (nc), open a scope and close it out. Otherwise,
876: * raise a warning.
877: */
1.45 kristaps 878:
1.150 schwarze 879: if ( ! cnt) {
880: if (nc) {
881: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
882: rew_last(mdoc, mdoc->last);
883: } else {
884: mdoc_argv_free(arg);
885: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
886: line, ppos, mdoc_macronames[tok]);
887: }
1.7 kristaps 888: }
1.150 schwarze 889: if (nl)
890: append_delims(mdoc, line, pos, buf);
1.1 kristaps 891: }
892:
1.151 schwarze 893: static void
1.1 kristaps 894: blk_full(MACRO_PROT_ARGS)
895: {
1.153 schwarze 896: int la, nl, parsed;
1.1 kristaps 897: struct mdoc_arg *arg;
1.171 schwarze 898: struct mdoc_node *blk; /* Our own or a broken block. */
1.165 schwarze 899: struct mdoc_node *head; /* Our own head. */
900: struct mdoc_node *body; /* Our own body. */
1.47 kristaps 901: struct mdoc_node *n;
1.59 kristaps 902: enum margserr ac, lac;
1.1 kristaps 903: char *p;
904:
1.119 schwarze 905: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 906:
1.177 schwarze 907: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
908: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
909: line, ppos, mdoc_macronames[tok]);
910: return;
911: }
912:
1.171 schwarze 913: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
914:
915: /* Here, tok is one of Sh Ss Nm Nd It. */
916:
917: blk = NULL;
918: for (n = mdoc->last; n != NULL; n = n->parent) {
919: if (n->flags & (MDOC_VALID | MDOC_BREAK) ||
920: n->type != MDOC_BLOCK)
921: continue;
922: if (tok == MDOC_It && n->tok == MDOC_Bl) {
923: if (blk != NULL) {
924: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
925: mdoc->parse, line, ppos,
926: "It breaks %s",
927: mdoc_macronames[blk->tok]);
928: rew_pending(mdoc, blk);
929: }
930: break;
931: }
932:
933: if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
934: switch (tok) {
935: case MDOC_Sh:
936: /* FALLTHROUGH */
937: case MDOC_Ss:
938: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
939: mdoc->parse, line, ppos,
940: "%s breaks %s",
941: mdoc_macronames[tok],
942: mdoc_macronames[n->tok]);
943: rew_pending(mdoc, n);
1.180 schwarze 944: n = mdoc->last;
1.171 schwarze 945: continue;
946: case MDOC_It:
947: /* Delay in case it's astray. */
948: blk = n;
949: continue;
950: default:
951: break;
952: }
953: break;
954: }
955:
956: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 957:
1.171 schwarze 958: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
959: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
960: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 961: break;
1.171 schwarze 962:
963: /* Item breaking an explicit block. */
964:
965: if (blk != NULL) {
966: mandoc_vmsg(MANDOCERR_BLK_BROKEN,
967: mdoc->parse, line, ppos,
968: "It breaks %s",
969: mdoc_macronames[blk->tok]);
970: rew_pending(mdoc, blk);
1.172 schwarze 971: blk = NULL;
1.171 schwarze 972: }
973:
974: /* Close out prior implicit scopes. */
975:
976: rew_last(mdoc, n);
977: }
978:
979: /* Skip items outside lists. */
980:
981: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.138 schwarze 982: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
983: line, ppos, "It %s", buf + *pos);
1.150 schwarze 984: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
1.149 schwarze 985: rew_elem(mdoc, MDOC_br);
1.151 schwarze 986: return;
1.138 schwarze 987: }
1.1 kristaps 988: }
989:
1.45 kristaps 990: /*
1.109 kristaps 991: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 992: * macro openings. Implicit ones first close out prior scope
993: * (seen above). Delay opening the head until necessary to
994: * allow leading punctuation to print. Special consideration
995: * for `It -column', which has phrase-part syntax instead of
996: * regular child nodes.
997: */
998:
1.152 schwarze 999: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1000: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1001: head = body = NULL;
1.115 schwarze 1002:
1003: /*
1004: * Exception: Heads of `It' macros in `-diag' lists are not
1005: * parsed, even though `It' macros in general are parsed.
1006: */
1.151 schwarze 1007:
1.153 schwarze 1008: parsed = tok != MDOC_It ||
1009: mdoc->last->parent->tok != MDOC_Bl ||
1010: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1011:
1.45 kristaps 1012: /*
1013: * The `Nd' macro has all arguments in its body: it's a hybrid
1014: * of block partial-explicit and full-implicit. Stupid.
1015: */
1.19 kristaps 1016:
1.150 schwarze 1017: if (tok == MDOC_Nd) {
1018: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1019: rew_last(mdoc, head);
1.150 schwarze 1020: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1021: }
1022:
1.150 schwarze 1023: if (tok == MDOC_Bk)
1.123 schwarze 1024: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1025:
1.150 schwarze 1026: ac = ARGS_PEND;
1027: for (;;) {
1.45 kristaps 1028: la = *pos;
1.150 schwarze 1029: lac = ac;
1.119 schwarze 1030: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1031: if (ac == ARGS_EOLN) {
1032: if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
1.75 kristaps 1033: break;
1034: /*
1035: * This is necessary: if the last token on a
1036: * line is a `Ta' or tab, then we'll get
1037: * ARGS_EOLN, so we must be smart enough to
1038: * reopen our scope if the last parse was a
1039: * phrase or partial phrase.
1040: */
1.167 schwarze 1041: if (body != NULL)
1042: rew_last(mdoc, body);
1.150 schwarze 1043: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1044: break;
1.75 kristaps 1045: }
1.174 schwarze 1046: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1047: mandoc_vmsg(MANDOCERR_ARG_EXCESS,
1048: mdoc->parse, line, la, "%s ... %s",
1049: mdoc_macronames[tok], buf + la);
1050: break;
1051: }
1.173 schwarze 1052: if (tok == MDOC_Rs) {
1053: mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
1054: line, la, "Rs %s", buf + la);
1055: break;
1056: }
1057: if (ac == ARGS_PUNCT)
1058: break;
1.45 kristaps 1059:
1.131 schwarze 1060: /*
1.73 kristaps 1061: * Emit leading punctuation (i.e., punctuation before
1062: * the MDOC_HEAD) for non-phrase types.
1063: */
1.45 kristaps 1064:
1.150 schwarze 1065: if (head == NULL &&
1066: ac != ARGS_PEND &&
1067: ac != ARGS_PHRASE &&
1068: ac != ARGS_PPHRASE &&
1069: ac != ARGS_QWORD &&
1070: mdoc_isdelim(p) == DELIM_OPEN) {
1071: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1072: continue;
1073: }
1074:
1.74 kristaps 1075: /* Open a head if one hasn't been opened. */
1.45 kristaps 1076:
1.150 schwarze 1077: if (head == NULL)
1078: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1079:
1.150 schwarze 1080: if (ac == ARGS_PHRASE ||
1081: ac == ARGS_PEND ||
1082: ac == ARGS_PPHRASE) {
1.151 schwarze 1083:
1.73 kristaps 1084: /*
1.74 kristaps 1085: * If we haven't opened a body yet, rewind the
1086: * head; if we have, rewind that instead.
1087: */
1088:
1.167 schwarze 1089: rew_last(mdoc, body == NULL ? head : body);
1.150 schwarze 1090: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1091:
1092: /*
1.73 kristaps 1093: * Process phrases: set whether we're in a
1094: * partial-phrase (this effects line handling)
1095: * then call down into the phrase parser.
1096: */
1.74 kristaps 1097:
1.150 schwarze 1098: if (ac == ARGS_PPHRASE)
1.119 schwarze 1099: mdoc->flags |= MDOC_PPHRASE;
1.150 schwarze 1100: if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
1.119 schwarze 1101: mdoc->flags |= MDOC_PPHRASE;
1.154 schwarze 1102: parse_rest(mdoc, MDOC_MAX, line, &la, buf);
1.119 schwarze 1103: mdoc->flags &= ~MDOC_PPHRASE;
1.1 kristaps 1104: continue;
1105: }
1106:
1.153 schwarze 1107: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1108: break;
1.45 kristaps 1109: }
1.1 kristaps 1110:
1.165 schwarze 1111: if (blk->flags & MDOC_VALID)
1112: return;
1.150 schwarze 1113: if (head == NULL)
1114: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1115: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1116: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1117: if (body != NULL)
1.77 kristaps 1118: goto out;
1.19 kristaps 1119:
1.47 kristaps 1120: /*
1.49 kristaps 1121: * If there is an open (i.e., unvalidated) sub-block requiring
1122: * explicit close-out, postpone switching the current block from
1.167 schwarze 1123: * head to body until the rew_pending() call closing out that
1.49 kristaps 1124: * sub-block.
1.47 kristaps 1125: */
1.119 schwarze 1126: for (n = mdoc->last; n && n != head; n = n->parent) {
1.151 schwarze 1127: if (n->type == MDOC_BLOCK &&
1128: mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
1129: ! (n->flags & MDOC_VALID)) {
1.47 kristaps 1130: n->pending = head;
1.151 schwarze 1131: return;
1.47 kristaps 1132: }
1133: }
1134:
1.45 kristaps 1135: /* Close out scopes to remain in a consistent state. */
1136:
1.167 schwarze 1137: rew_last(mdoc, head);
1138: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1139: out:
1.150 schwarze 1140: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1141: rew_last(mdoc, body);
1142: rew_last(mdoc, blk);
1.150 schwarze 1143: mdoc->flags &= ~MDOC_FREECOL;
1144: }
1.1 kristaps 1145: }
1146:
1.151 schwarze 1147: static void
1.1 kristaps 1148: blk_part_imp(MACRO_PROT_ARGS)
1149: {
1.63 kristaps 1150: int la, nl;
1.55 kristaps 1151: enum margserr ac;
1.1 kristaps 1152: char *p;
1.43 kristaps 1153: struct mdoc_node *blk; /* saved block context */
1154: struct mdoc_node *body; /* saved body context */
1155: struct mdoc_node *n;
1.1 kristaps 1156:
1.119 schwarze 1157: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1158:
1.43 kristaps 1159: /*
1160: * A macro that spans to the end of the line. This is generally
1161: * (but not necessarily) called as the first macro. The block
1162: * has a head as the immediate child, which is always empty,
1163: * followed by zero or more opening punctuation nodes, then the
1164: * body (which may be empty, depending on the macro), then zero
1165: * or more closing punctuation nodes.
1166: */
1.32 kristaps 1167:
1.150 schwarze 1168: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.162 schwarze 1169: rew_last(mdoc, mdoc_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1170:
1.43 kristaps 1171: /*
1172: * Open the body scope "on-demand", that is, after we've
1173: * processed all our the leading delimiters (open parenthesis,
1174: * etc.).
1175: */
1.1 kristaps 1176:
1.43 kristaps 1177: for (body = NULL; ; ) {
1.32 kristaps 1178: la = *pos;
1.119 schwarze 1179: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1180: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1181: break;
1182:
1.150 schwarze 1183: if (body == NULL && ac != ARGS_QWORD &&
1184: mdoc_isdelim(p) == DELIM_OPEN) {
1185: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1186: continue;
1.123 schwarze 1187: }
1.1 kristaps 1188:
1.150 schwarze 1189: if (body == NULL)
1190: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1191:
1.153 schwarze 1192: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1193: break;
1.1 kristaps 1194: }
1.150 schwarze 1195: if (body == NULL)
1196: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1197:
1.83 schwarze 1198: /*
1199: * If there is an open sub-block requiring explicit close-out,
1.167 schwarze 1200: * postpone closing out the current block until the
1201: * rew_pending() call closing out the sub-block.
1.83 schwarze 1202: */
1.151 schwarze 1203:
1.119 schwarze 1204: for (n = mdoc->last; n && n != body && n != blk->parent;
1.131 schwarze 1205: n = n->parent) {
1.150 schwarze 1206: if (n->type == MDOC_BLOCK &&
1207: mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
1208: ! (n->flags & MDOC_VALID)) {
1.168 schwarze 1209: make_pending(mdoc, blk, n, line, ppos);
1.150 schwarze 1210: mdoc_endbody_alloc(mdoc, line, ppos,
1211: tok, body, ENDBODY_NOSPACE);
1.151 schwarze 1212: return;
1.83 schwarze 1213: }
1214: }
1.134 schwarze 1215: assert(n == body);
1.164 schwarze 1216: rew_last(mdoc, body);
1.150 schwarze 1217: if (nl)
1218: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1219: rew_pending(mdoc, blk);
1.117 schwarze 1220:
1221: /* Move trailing .Ns out of scope. */
1222:
1223: for (n = body->child; n && n->next; n = n->next)
1224: /* Do nothing. */ ;
1.150 schwarze 1225: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1226: mdoc_node_relink(mdoc, n);
1.1 kristaps 1227: }
1228:
1.151 schwarze 1229: static void
1.1 kristaps 1230: blk_part_exp(MACRO_PROT_ARGS)
1231: {
1.60 kristaps 1232: int la, nl;
1.55 kristaps 1233: enum margserr ac;
1.43 kristaps 1234: struct mdoc_node *head; /* keep track of head */
1.1 kristaps 1235: char *p;
1236:
1.119 schwarze 1237: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1238:
1.43 kristaps 1239: /*
1240: * The opening of an explicit macro having zero or more leading
1241: * punctuation nodes; a head with optional single element (the
1242: * case of `Eo'); and a body that may be empty.
1243: */
1.32 kristaps 1244:
1.150 schwarze 1245: mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.163 schwarze 1246: head = NULL;
1247: for (;;) {
1.32 kristaps 1248: la = *pos;
1.119 schwarze 1249: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1250: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1251: break;
1.43 kristaps 1252:
1253: /* Flush out leading punctuation. */
1254:
1.150 schwarze 1255: if (head == NULL && ac != ARGS_QWORD &&
1256: mdoc_isdelim(p) == DELIM_OPEN) {
1257: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1258: continue;
1.123 schwarze 1259: }
1.43 kristaps 1260:
1.150 schwarze 1261: if (head == NULL) {
1262: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1263: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1264: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1265: rew_last(mdoc, head);
1266: mdoc_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1267: if (tok == MDOC_Eo)
1.43 kristaps 1268: continue;
1.1 kristaps 1269: }
1.43 kristaps 1270:
1.153 schwarze 1271: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1272: break;
1.1 kristaps 1273: }
1274:
1.43 kristaps 1275: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1276:
1.163 schwarze 1277: if (head == NULL) {
1278: rew_last(mdoc, mdoc_head_alloc(mdoc, line, ppos, tok));
1.150 schwarze 1279: mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1280: }
1.150 schwarze 1281: if (nl)
1282: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1283: }
1284:
1.151 schwarze 1285: static void
1.1 kristaps 1286: in_line_argn(MACRO_PROT_ARGS)
1287: {
1.53 kristaps 1288: struct mdoc_arg *arg;
1289: char *p;
1.181 ! schwarze 1290: enum margserr ac;
1.53 kristaps 1291: enum mdoct ntok;
1.181 ! schwarze 1292: int state; /* arg#; -1: not yet open; -2: closed */
! 1293: int la, maxargs, nl;
1.1 kristaps 1294:
1.156 schwarze 1295: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1296:
1.46 kristaps 1297: /*
1298: * A line macro that has a fixed number of arguments (maxargs).
1299: * Only open the scope once the first non-leading-punctuation is
1300: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1301: * keep it open until the maximum number of arguments are
1302: * exhausted.
1303: */
1.1 kristaps 1304:
1305: switch (tok) {
1.131 schwarze 1306: case MDOC_Ap:
1.1 kristaps 1307: /* FALLTHROUGH */
1.131 schwarze 1308: case MDOC_Ns:
1.1 kristaps 1309: /* FALLTHROUGH */
1.131 schwarze 1310: case MDOC_Ux:
1.1 kristaps 1311: maxargs = 0;
1312: break;
1.131 schwarze 1313: case MDOC_Bx:
1.101 kristaps 1314: /* FALLTHROUGH */
1.132 schwarze 1315: case MDOC_Es:
1316: /* FALLTHROUGH */
1.131 schwarze 1317: case MDOC_Xr:
1.42 kristaps 1318: maxargs = 2;
1319: break;
1.1 kristaps 1320: default:
1321: maxargs = 1;
1322: break;
1323: }
1324:
1.152 schwarze 1325: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1326:
1.181 ! schwarze 1327: state = -1;
1.156 schwarze 1328: p = NULL;
1329: for (;;) {
1.32 kristaps 1330: la = *pos;
1.119 schwarze 1331: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 ! schwarze 1332:
! 1333: if (ac == ARGS_WORD && state == -1 &&
! 1334: ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
! 1335: mdoc_isdelim(p) == DELIM_OPEN) {
! 1336: dword(mdoc, line, la, p, DELIM_OPEN, 0);
! 1337: continue;
! 1338: }
! 1339:
! 1340: if (state == -1 && tok != MDOC_In &&
! 1341: tok != MDOC_St && tok != MDOC_Xr) {
! 1342: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
! 1343: state = 0;
! 1344: }
! 1345:
1.156 schwarze 1346: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 ! schwarze 1347: if (abs(state) < 2 && tok == MDOC_Pf)
1.156 schwarze 1348: mandoc_vmsg(MANDOCERR_PF_SKIP,
1349: mdoc->parse, line, ppos, "Pf %s",
1350: p == NULL ? "at eol" : p);
1.1 kristaps 1351: break;
1.156 schwarze 1352: }
1.1 kristaps 1353:
1.181 ! schwarze 1354: if (state == maxargs) {
1.149 schwarze 1355: rew_elem(mdoc, tok);
1.181 ! schwarze 1356: state = -2;
1.46 kristaps 1357: }
1358:
1.181 ! schwarze 1359: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
1.156 schwarze 1360: MDOC_MAX : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1361:
1.150 schwarze 1362: if (ntok != MDOC_MAX) {
1.181 ! schwarze 1363: if (state >= 0) {
1.149 schwarze 1364: rew_elem(mdoc, tok);
1.181 ! schwarze 1365: state = -2;
! 1366: }
1.151 schwarze 1367: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.1 kristaps 1368: break;
1369: }
1370:
1.181 ! schwarze 1371: if (ac == ARGS_QWORD ||
! 1372: mdoc_macros[tok].flags & MDOC_IGNDELIM ||
! 1373: mdoc_isdelim(p) == DELIM_NONE) {
! 1374: if (state == -1) {
! 1375: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
! 1376: state = 1;
! 1377: } else if (state >= 0)
! 1378: state++;
! 1379: } else if (state >= 0) {
1.149 schwarze 1380: rew_elem(mdoc, tok);
1.181 ! schwarze 1381: state = -2;
1.1 kristaps 1382: }
1.42 kristaps 1383:
1.150 schwarze 1384: dword(mdoc, line, la, p, DELIM_MAX,
1385: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1386: }
1387:
1.181 ! schwarze 1388: if (state == -1) {
! 1389: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
! 1390: line, ppos, mdoc_macronames[tok]);
! 1391: return;
1.156 schwarze 1392: }
1.181 ! schwarze 1393:
! 1394: if (state == 0 && tok == MDOC_Pf)
! 1395: append_delims(mdoc, line, pos, buf);
! 1396: if (state >= 0)
1.149 schwarze 1397: rew_elem(mdoc, tok);
1.150 schwarze 1398: if (nl)
1399: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1400: }
1401:
1.151 schwarze 1402: static void
1.1 kristaps 1403: in_line_eoln(MACRO_PROT_ARGS)
1404: {
1.170 schwarze 1405: struct mdoc_node *n;
1406: struct mdoc_arg *arg;
1.1 kristaps 1407:
1.170 schwarze 1408: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1409: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1410: n = mdoc->last;
1411: if (mdoc->next == MDOC_NEXT_SIBLING)
1412: n = n->parent;
1413: if (n->tok == MDOC_Nm)
1414: rew_last(mdoc, mdoc->last->parent);
1.178 schwarze 1415: }
1416:
1.179 schwarze 1417: if (buf[*pos] == '\0' &&
1418: (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
1.178 schwarze 1419: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1.179 schwarze 1420: line, ppos, mdoc_macronames[tok]);
1.178 schwarze 1421: return;
1.170 schwarze 1422: }
1.90 schwarze 1423:
1.152 schwarze 1424: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1425: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1426: if (parse_rest(mdoc, tok, line, pos, buf))
1427: return;
1428: rew_elem(mdoc, tok);
1429: }
1430:
1431: /*
1432: * The simplest argument parser available: Parse the remaining
1433: * words until the end of the phrase or line and return 0
1434: * or until the next macro, call that macro, and return 1.
1435: */
1436: static int
1437: parse_rest(struct mdoc *mdoc, enum mdoct tok, int line, int *pos, char *buf)
1438: {
1439: int la;
1.1 kristaps 1440:
1441: for (;;) {
1442: la = *pos;
1.153 schwarze 1443: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.154 schwarze 1444: return(0);
1.153 schwarze 1445: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.154 schwarze 1446: return(1);
1.1 kristaps 1447: }
1448: }
1449:
1.151 schwarze 1450: static void
1.41 kristaps 1451: ctx_synopsis(MACRO_PROT_ARGS)
1452: {
1.60 kristaps 1453:
1.151 schwarze 1454: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1455: in_line(mdoc, tok, line, ppos, pos, buf);
1456: else if (tok == MDOC_Nm)
1457: blk_full(mdoc, tok, line, ppos, pos, buf);
1458: else {
1459: assert(tok == MDOC_Vt);
1460: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1461: }
1.1 kristaps 1462: }
1463:
1.24 kristaps 1464: /*
1465: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1466: * They're unusual because they're basically free-form text until a
1467: * macro is encountered.
1468: */
1.151 schwarze 1469: static void
1.75 kristaps 1470: phrase_ta(MACRO_PROT_ARGS)
1471: {
1.167 schwarze 1472: struct mdoc_node *body, *n;
1.75 kristaps 1473:
1.121 schwarze 1474: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1475:
1.167 schwarze 1476: body = NULL;
1477: for (n = mdoc->last; n != NULL; n = n->parent) {
1478: if (n->flags & (MDOC_VALID | MDOC_BREAK))
1479: continue;
1480: if (n->tok == MDOC_It && n->type == MDOC_BODY)
1481: body = n;
1482: if (n->tok == MDOC_Bl)
1483: break;
1484: }
1485:
1.151 schwarze 1486: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1487: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1488: line, ppos, "Ta");
1.151 schwarze 1489: return;
1.121 schwarze 1490: }
1.75 kristaps 1491:
1.121 schwarze 1492: /* Advance to the next column. */
1.150 schwarze 1493:
1.167 schwarze 1494: rew_last(mdoc, body);
1.150 schwarze 1495: mdoc_body_alloc(mdoc, line, ppos, MDOC_It);
1.154 schwarze 1496: parse_rest(mdoc, MDOC_MAX, line, pos, buf);
1.75 kristaps 1497: }
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