Annotation of src/usr.bin/mandoc/mdoc_macro.c, Revision 1.126
1.126 ! schwarze 1: /* $OpenBSD: mdoc_macro.c,v 1.125 2015/02/02 19:22:46 schwarze Exp $ */
1.1 kristaps 2: /*
1.74 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.118 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
1.2 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: *
1.2 schwarze 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: */
1.100 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:
1.66 schwarze 27: #include "mdoc.h"
1.44 schwarze 28: #include "mandoc.h"
1.1 kristaps 29: #include "libmdoc.h"
1.39 schwarze 30: #include "libmandoc.h"
1.1 kristaps 31:
1.48 schwarze 32: enum rew { /* see rew_dohalt() */
33: REWIND_NONE,
34: REWIND_THIS,
35: REWIND_MORE,
1.123 schwarze 36: REWIND_FORCE
1.35 schwarze 37: };
1.1 kristaps 38:
1.107 schwarze 39: static void blk_full(MACRO_PROT_ARGS);
40: static void blk_exp_close(MACRO_PROT_ARGS);
41: static void blk_part_exp(MACRO_PROT_ARGS);
42: static void blk_part_imp(MACRO_PROT_ARGS);
43: static void ctx_synopsis(MACRO_PROT_ARGS);
44: static void in_line_eoln(MACRO_PROT_ARGS);
45: static void in_line_argn(MACRO_PROT_ARGS);
46: static void in_line(MACRO_PROT_ARGS);
47: static void phrase_ta(MACRO_PROT_ARGS);
1.36 schwarze 48:
1.106 schwarze 49: static void dword(struct mdoc *, int, int, const char *,
1.80 schwarze 50: enum mdelim, int);
1.106 schwarze 51: static void append_delims(struct mdoc *, int, int *, char *);
1.111 schwarze 52: static enum mdoct lookup(struct mdoc *, enum mdoct,
53: int, int, const char *);
1.109 schwarze 54: static int macro_or_word(MACRO_PROT_ARGS, int);
1.124 schwarze 55: static void make_pending(struct mdoc *, struct mdoc_node *,
56: struct mdoc_node *, int, int);
1.110 schwarze 57: static int parse_rest(struct mdoc *, enum mdoct,
58: int, int *, char *);
1.88 schwarze 59: static enum mdoct rew_alt(enum mdoct);
60: static enum rew rew_dohalt(enum mdoct, enum mdoc_type,
1.36 schwarze 61: const struct mdoc_node *);
1.105 schwarze 62: static void rew_elem(struct mdoc *, enum mdoct);
63: static void rew_last(struct mdoc *, const struct mdoc_node *);
1.122 schwarze 64: static void rew_pending(struct mdoc *, const struct mdoc_node *);
1.106 schwarze 65: static void rew_sub(enum mdoc_type, struct mdoc *,
1.36 schwarze 66: enum mdoct, int, int);
1.1 kristaps 67:
68: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
1.80 schwarze 69: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
1.1 kristaps 70: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
71: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
72: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.80 schwarze 73: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
74: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
75: { in_line_eoln, 0 }, /* Pp */
76: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
77: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 78: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.80 schwarze 79: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 80: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.80 schwarze 81: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
82: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
84: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.1 kristaps 85: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.86 schwarze 86: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 87: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.80 schwarze 88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
89: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
90: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 91: { in_line_eoln, 0 }, /* Ex */
1.80 schwarze 92: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
93: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 94: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.80 schwarze 95: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
96: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.85 schwarze 97: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.11 schwarze 98: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.80 schwarze 99: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
100: { blk_full, MDOC_JOIN }, /* Nd */
101: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 102: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.89 schwarze 103: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 104: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
105: { in_line_eoln, 0 }, /* Rv */
1.80 schwarze 106: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 107: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.80 schwarze 108: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.28 schwarze 109: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.80 schwarze 110: { in_line_eoln, MDOC_JOIN }, /* %A */
111: { in_line_eoln, MDOC_JOIN }, /* %B */
112: { in_line_eoln, MDOC_JOIN }, /* %D */
113: { in_line_eoln, MDOC_JOIN }, /* %I */
114: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 115: { in_line_eoln, 0 }, /* %N */
1.80 schwarze 116: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 117: { in_line_eoln, 0 }, /* %P */
1.80 schwarze 118: { in_line_eoln, MDOC_JOIN }, /* %R */
119: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 120: { in_line_eoln, 0 }, /* %V */
1.80 schwarze 121: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
122: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
123: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
124: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
125: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 126: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.80 schwarze 127: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
128: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
129: { blk_full, MDOC_EXPLICIT }, /* Bf */
130: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
131: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
132: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 133: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
134: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
135: { in_line_eoln, 0 }, /* Db */
1.80 schwarze 136: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
137: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
138: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
139: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
140: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
141: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
142: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
143: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 144: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
145: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.3 schwarze 146: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.100 schwarze 147: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.80 schwarze 148: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
149: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 150: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
151: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.80 schwarze 152: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
153: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.35 schwarze 154: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.80 schwarze 155: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
156: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
157: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
158: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
159: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
160: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
161: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
162: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
163: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
164: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 165: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.80 schwarze 166: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
167: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
168: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
169: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
170: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.103 schwarze 171: { in_line_argn, 0 }, /* Sm */
1.80 schwarze 172: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
173: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 174: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.80 schwarze 175: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 176: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
177: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.80 schwarze 178: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
179: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
180: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
181: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
182: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
183: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
184: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 185: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.80 schwarze 186: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 187: { in_line_eoln, 0 }, /* Bt */
188: { in_line_eoln, 0 }, /* Hf */
1.89 schwarze 189: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 190: { in_line_eoln, 0 }, /* Ud */
1.45 schwarze 191: { in_line, 0 }, /* Lb */
1.80 schwarze 192: { in_line_eoln, 0 }, /* Lp */
193: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
194: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
195: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
196: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
197: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
198: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
199: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
200: { in_line_eoln, MDOC_JOIN }, /* %C */
1.89 schwarze 201: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
202: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 203: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.80 schwarze 204: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.13 schwarze 205: { in_line_eoln, 0 }, /* br */
206: { in_line_eoln, 0 }, /* sp */
1.25 schwarze 207: { in_line_eoln, 0 }, /* %U */
1.80 schwarze 208: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.99 schwarze 209: { in_line_eoln, MDOC_PROLOGUE }, /* ll */
1.1 kristaps 210: };
211:
212: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
213:
214:
215: /*
216: * This is called at the end of parsing. It must traverse up the tree,
217: * closing out open [implicit] scopes. Obviously, open explicit scopes
218: * are errors.
219: */
1.107 schwarze 220: void
1.76 schwarze 221: mdoc_macroend(struct mdoc *mdoc)
1.1 kristaps 222: {
223: struct mdoc_node *n;
224:
225: /* Scan for open explicit scopes. */
226:
1.107 schwarze 227: n = mdoc->last->flags & MDOC_VALID ?
1.88 schwarze 228: mdoc->last->parent : mdoc->last;
1.1 kristaps 229:
1.56 schwarze 230: for ( ; n; n = n->parent)
1.107 schwarze 231: if (n->type == MDOC_BLOCK &&
232: mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
1.94 schwarze 233: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
234: n->line, n->pos, mdoc_macronames[n->tok]);
1.1 kristaps 235:
1.22 schwarze 236: /* Rewind to the first. */
237:
1.105 schwarze 238: rew_last(mdoc, mdoc->first);
1.1 kristaps 239: }
240:
1.22 schwarze 241: /*
1.109 schwarze 242: * Look up the macro at *p called by "from",
243: * or as a line macro if from == MDOC_MAX.
1.22 schwarze 244: */
1.36 schwarze 245: static enum mdoct
1.111 schwarze 246: lookup(struct mdoc *mdoc, enum mdoct from, int line, int ppos, const char *p)
1.21 schwarze 247: {
1.36 schwarze 248: enum mdoct res;
1.1 kristaps 249:
1.109 schwarze 250: if (from == MDOC_MAX || mdoc_macros[from].flags & MDOC_PARSED) {
251: res = mdoc_hash_find(p);
1.111 schwarze 252: if (res != MDOC_MAX) {
253: if (mdoc_macros[res].flags & MDOC_CALLABLE)
254: return(res);
255: if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll)
256: mandoc_msg(MANDOCERR_MACRO_CALL,
257: mdoc->parse, line, ppos, p);
258: }
1.109 schwarze 259: }
1.1 kristaps 260: return(MDOC_MAX);
261: }
262:
1.122 schwarze 263: /*
264: * Rewind up to and including a specific node.
265: */
1.105 schwarze 266: static void
1.22 schwarze 267: rew_last(struct mdoc *mdoc, const struct mdoc_node *to)
1.1 kristaps 268: {
1.63 schwarze 269: struct mdoc_node *n, *np;
1.1 kristaps 270:
271: assert(to);
272: mdoc->next = MDOC_NEXT_SIBLING;
273: while (mdoc->last != to) {
1.122 schwarze 274: if ( ! (mdoc->last->flags & MDOC_VALID))
275: mdoc->last->lastline = to->lastline -
276: (mdoc->flags & MDOC_NEWLINE ? 1 : 0);
1.63 schwarze 277: /*
278: * Save the parent here, because we may delete the
1.76 schwarze 279: * mdoc->last node in the post-validation phase and reset
280: * it to mdoc->last->parent, causing a step in the closing
1.63 schwarze 281: * out to be lost.
282: */
283: np = mdoc->last->parent;
1.105 schwarze 284: mdoc_valid_post(mdoc);
1.61 schwarze 285: n = mdoc->last;
1.63 schwarze 286: mdoc->last = np;
1.1 kristaps 287: assert(mdoc->last);
1.61 schwarze 288: mdoc->last->last = n;
1.1 kristaps 289: }
1.105 schwarze 290: mdoc_valid_post(mdoc);
1.1 kristaps 291: }
292:
1.22 schwarze 293: /*
1.122 schwarze 294: * Rewind up to a specific block, including all blocks that broke it.
295: */
296: static void
297: rew_pending(struct mdoc *mdoc, const struct mdoc_node *n)
298: {
299:
300: rew_last(mdoc, n);
301:
302: if (n->type != MDOC_BLOCK)
303: return;
304:
305: while ((n = n->pending) != NULL) {
306: rew_last(mdoc, n);
307: if (n->type == MDOC_HEAD)
308: mdoc_body_alloc(mdoc, n->line, n->pos, n->tok);
309: }
310: }
311:
312: /*
1.48 schwarze 313: * For a block closing macro, return the corresponding opening one.
314: * Otherwise, return the macro itself.
1.22 schwarze 315: */
1.34 schwarze 316: static enum mdoct
317: rew_alt(enum mdoct tok)
1.1 kristaps 318: {
319: switch (tok) {
1.88 schwarze 320: case MDOC_Ac:
1.1 kristaps 321: return(MDOC_Ao);
1.88 schwarze 322: case MDOC_Bc:
1.1 kristaps 323: return(MDOC_Bo);
1.88 schwarze 324: case MDOC_Brc:
1.1 kristaps 325: return(MDOC_Bro);
1.88 schwarze 326: case MDOC_Dc:
1.1 kristaps 327: return(MDOC_Do);
1.88 schwarze 328: case MDOC_Ec:
1.1 kristaps 329: return(MDOC_Eo);
1.88 schwarze 330: case MDOC_Ed:
1.1 kristaps 331: return(MDOC_Bd);
1.88 schwarze 332: case MDOC_Ef:
1.1 kristaps 333: return(MDOC_Bf);
1.88 schwarze 334: case MDOC_Ek:
1.1 kristaps 335: return(MDOC_Bk);
1.88 schwarze 336: case MDOC_El:
1.1 kristaps 337: return(MDOC_Bl);
1.88 schwarze 338: case MDOC_Fc:
1.1 kristaps 339: return(MDOC_Fo);
1.88 schwarze 340: case MDOC_Oc:
1.1 kristaps 341: return(MDOC_Oo);
1.88 schwarze 342: case MDOC_Pc:
1.1 kristaps 343: return(MDOC_Po);
1.88 schwarze 344: case MDOC_Qc:
1.1 kristaps 345: return(MDOC_Qo);
1.88 schwarze 346: case MDOC_Re:
1.1 kristaps 347: return(MDOC_Rs);
1.88 schwarze 348: case MDOC_Sc:
1.1 kristaps 349: return(MDOC_So);
1.88 schwarze 350: case MDOC_Xc:
1.1 kristaps 351: return(MDOC_Xo);
352: default:
1.48 schwarze 353: return(tok);
1.1 kristaps 354: }
355: /* NOTREACHED */
356: }
357:
1.48 schwarze 358: /*
359: * Rewinding to tok, how do we have to handle *p?
360: * REWIND_NONE: *p would delimit tok, but no tok scope is open
361: * inside *p, so there is no need to rewind anything at all.
362: * REWIND_THIS: *p matches tok, so rewind *p and nothing else.
363: * REWIND_MORE: *p is implicit, rewind it and keep searching for tok.
1.59 schwarze 364: * REWIND_FORCE: *p is explicit, but tok is full, force rewinding *p.
1.1 kristaps 365: */
1.35 schwarze 366: static enum rew
1.88 schwarze 367: rew_dohalt(enum mdoct tok, enum mdoc_type type,
1.34 schwarze 368: const struct mdoc_node *p)
1.1 kristaps 369: {
370:
1.50 schwarze 371: /*
372: * No matching token, no delimiting block, no broken block.
373: * This can happen when full implicit macros are called for
374: * the first time but try to rewind their previous
375: * instance anyway.
376: */
1.1 kristaps 377: if (MDOC_ROOT == p->type)
1.123 schwarze 378: return(REWIND_NONE);
1.50 schwarze 379:
380: /*
1.88 schwarze 381: * When starting to rewind, skip plain text
1.50 schwarze 382: * and nodes that have already been rewound.
383: */
1.117 schwarze 384: if (p->type == MDOC_TEXT || p->flags & (MDOC_VALID | MDOC_BREAK))
1.48 schwarze 385: return(REWIND_MORE);
386:
1.50 schwarze 387: /*
388: * The easiest case: Found a matching token.
389: * This applies to both blocks and elements.
390: */
1.48 schwarze 391: tok = rew_alt(tok);
392: if (tok == p->tok)
1.123 schwarze 393: return(type == p->type ? REWIND_THIS : REWIND_MORE);
1.48 schwarze 394:
1.50 schwarze 395: /*
396: * While elements do require rewinding for themselves,
397: * they never affect rewinding of other nodes.
398: */
1.48 schwarze 399: if (MDOC_ELEM == p->type)
400: return(REWIND_MORE);
1.1 kristaps 401:
1.50 schwarze 402: /*
403: * Blocks delimited by our target token get REWIND_MORE.
1.88 schwarze 404: * Blocks delimiting our target token get REWIND_NONE.
1.50 schwarze 405: */
1.1 kristaps 406: switch (tok) {
1.88 schwarze 407: case MDOC_It:
1.1 kristaps 408: if (MDOC_BODY == p->type && MDOC_Bl == p->tok)
1.48 schwarze 409: return(REWIND_NONE);
1.1 kristaps 410: break;
1.88 schwarze 411: case MDOC_Nm:
1.51 schwarze 412: return(REWIND_NONE);
1.88 schwarze 413: case MDOC_Nd:
1.12 schwarze 414: /* FALLTHROUGH */
1.88 schwarze 415: case MDOC_Ss:
1.1 kristaps 416: if (MDOC_BODY == p->type && MDOC_Sh == p->tok)
1.48 schwarze 417: return(REWIND_NONE);
1.1 kristaps 418: /* FALLTHROUGH */
1.88 schwarze 419: case MDOC_Sh:
1.95 schwarze 420: if (MDOC_ROOT == p->parent->type)
421: return(REWIND_THIS);
1.48 schwarze 422: if (MDOC_Nd == p->tok || MDOC_Ss == p->tok ||
423: MDOC_Sh == p->tok)
424: return(REWIND_MORE);
1.1 kristaps 425: break;
426: default:
427: break;
428: }
429:
1.50 schwarze 430: /*
431: * Default block rewinding rules.
1.123 schwarze 432: * In particular, let all blocks rewind Nm children.
1.102 schwarze 433: * Do not warn again when closing a block,
434: * since closing the body already warned.
1.50 schwarze 435: */
1.123 schwarze 436: if (MDOC_Nm == p->tok ||
437: MDOC_BLOCK == type || MDOC_BLOCK == p->type)
1.50 schwarze 438: return(REWIND_MORE);
439:
440: /*
1.59 schwarze 441: * By default, closing out full blocks
1.123 schwarze 442: * forces closing of broken explicit blocks.
1.50 schwarze 443: */
1.123 schwarze 444: return (REWIND_FORCE);
1.1 kristaps 445: }
446:
1.105 schwarze 447: static void
1.34 schwarze 448: rew_elem(struct mdoc *mdoc, enum mdoct tok)
1.1 kristaps 449: {
450: struct mdoc_node *n;
451:
452: n = mdoc->last;
453: if (MDOC_ELEM != n->type)
454: n = n->parent;
455: assert(MDOC_ELEM == n->type);
456: assert(tok == n->tok);
1.105 schwarze 457: rew_last(mdoc, n);
1.1 kristaps 458: }
459:
1.47 schwarze 460: /*
1.124 schwarze 461: * We are trying to close the block *breaker,
1.47 schwarze 462: * but the child block *broken is still open.
1.124 schwarze 463: * Thus, postpone closing the *breaker
1.123 schwarze 464: * until the rew_pending() call closing *broken.
1.47 schwarze 465: */
1.124 schwarze 466: static void
467: make_pending(struct mdoc *mdoc, struct mdoc_node *breaker,
468: struct mdoc_node *broken, int line, int ppos)
1.47 schwarze 469: {
1.124 schwarze 470: struct mdoc_node *n;
1.47 schwarze 471:
1.125 schwarze 472: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse, line, ppos,
473: "%s breaks %s", mdoc_macronames[breaker->tok],
474: mdoc_macronames[broken->tok]);
1.124 schwarze 475:
1.125 schwarze 476: /*
477: * If the *broken block (Z) is already broken by a block (B)
478: * contained in the breaker (A), make the breaker pending
479: * on that inner breaker (B). Graphically,
480: *
481: * breaker=[A! broken=n=[B!->A (old broken=)[Z->B B] A] Z]
482: *
483: * In these graphics, "->" indicates the "pending" pointer and
484: * "!" indicates the MDOC_BREAK flag. Each of the cases gets
485: * one additional pointer (B->A) and one additional flag (A!).
486: */
1.47 schwarze 487:
1.125 schwarze 488: for (n = broken->parent; ; n = n->parent)
489: if (n == broken->pending)
1.124 schwarze 490: broken = n;
1.125 schwarze 491: else if (n == breaker)
492: break;
493:
494: /*
495: * Found the breaker.
496: *
497: * If another, outer breaker (X) is already pending on
498: * the *broken block (B), we must not clobber the link
499: * to the outer breaker, but make it pending on the new,
500: * now inner breaker (A). Graphically,
501: *
502: * [X! n=breaker=[A!->X broken=[B(->X)->A X] A] B].
503: */
1.47 schwarze 504:
1.125 schwarze 505: if (broken->pending != NULL) {
506: n = breaker;
1.47 schwarze 507:
508: /*
1.125 schwarze 509: * If the inner breaker (A) is already broken, too,
510: * it cannot take on the outer breaker (X) but must
511: * hand it on to its own breakers (Y). Graphically,
512: *
513: * [X! n=[Y!->X breaker=[A!->Y Y] broken=[B(->X)->A X] A] B]
1.47 schwarze 514: */
515:
1.125 schwarze 516: while (n->pending)
517: n = n->pending;
518: n->pending = broken->pending;
519: }
520:
521: /*
522: * Now we have reduced the situation to the simplest case:
523: * breaker=[A! broken=[B->A A] B].
524: */
1.114 schwarze 525:
1.125 schwarze 526: broken->pending = breaker;
527: breaker->flags |= MDOC_BREAK;
528: if (breaker->body != NULL)
529: breaker->body->flags |= MDOC_BREAK;
1.47 schwarze 530: }
531:
1.106 schwarze 532: static void
1.88 schwarze 533: rew_sub(enum mdoc_type t, struct mdoc *mdoc,
1.34 schwarze 534: enum mdoct tok, int line, int ppos)
1.1 kristaps 535: {
1.116 schwarze 536: struct mdoc_node *n, *to;
1.1 kristaps 537:
1.116 schwarze 538: to = NULL;
1.76 schwarze 539: n = mdoc->last;
1.48 schwarze 540: while (n) {
541: switch (rew_dohalt(tok, t, n)) {
1.88 schwarze 542: case REWIND_NONE:
1.116 schwarze 543: if (to == NULL)
544: return;
545: n = to;
546: break;
1.88 schwarze 547: case REWIND_THIS:
1.81 schwarze 548: n->lastline = line -
1.106 schwarze 549: (mdoc->flags & MDOC_NEWLINE &&
550: ! (mdoc_macros[tok].flags & MDOC_EXPLICIT));
1.48 schwarze 551: break;
1.88 schwarze 552: case REWIND_FORCE:
1.94 schwarze 553: mandoc_vmsg(MANDOCERR_BLK_BROKEN, mdoc->parse,
1.88 schwarze 554: line, ppos, "%s breaks %s",
555: mdoc_macronames[tok],
556: mdoc_macronames[n->tok]);
1.59 schwarze 557: /* FALLTHROUGH */
1.88 schwarze 558: case REWIND_MORE:
1.81 schwarze 559: n->lastline = line -
1.106 schwarze 560: (mdoc->flags & MDOC_NEWLINE ? 1 : 0);
1.116 schwarze 561: to = n;
1.48 schwarze 562: n = n->parent;
563: continue;
1.22 schwarze 564: }
1.48 schwarze 565: break;
1.1 kristaps 566: }
567: assert(n);
1.122 schwarze 568: rew_pending(mdoc, n);
1.1 kristaps 569: }
570:
1.66 schwarze 571: /*
572: * Allocate a word and check whether it's punctuation or not.
573: * Punctuation consists of those tokens found in mdoc_isdelim().
574: */
1.106 schwarze 575: static void
1.80 schwarze 576: dword(struct mdoc *mdoc, int line, int col, const char *p,
577: enum mdelim d, int may_append)
1.66 schwarze 578: {
1.88 schwarze 579:
1.106 schwarze 580: if (d == DELIM_MAX)
1.66 schwarze 581: d = mdoc_isdelim(p);
582:
1.80 schwarze 583: if (may_append &&
1.106 schwarze 584: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
585: d == DELIM_NONE && mdoc->last->type == MDOC_TEXT &&
586: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.80 schwarze 587: mdoc_word_append(mdoc, p);
1.106 schwarze 588: return;
1.80 schwarze 589: }
590:
1.106 schwarze 591: mdoc_word_alloc(mdoc, line, col, p);
1.66 schwarze 592:
1.71 schwarze 593: /*
1.100 schwarze 594: * If the word consists of a bare delimiter,
595: * flag the new node accordingly,
596: * unless doing so was vetoed by the invoking macro.
597: * Always clear the veto, it is only valid for one word.
1.71 schwarze 598: */
599:
1.100 schwarze 600: if (d == DELIM_OPEN)
601: mdoc->last->flags |= MDOC_DELIMO;
602: else if (d == DELIM_CLOSE &&
603: ! (mdoc->flags & MDOC_NODELIMC) &&
1.88 schwarze 604: mdoc->last->parent->tok != MDOC_Fd)
1.76 schwarze 605: mdoc->last->flags |= MDOC_DELIMC;
1.100 schwarze 606: mdoc->flags &= ~MDOC_NODELIMC;
1.66 schwarze 607: }
1.1 kristaps 608:
1.106 schwarze 609: static void
1.76 schwarze 610: append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)
1.1 kristaps 611: {
1.109 schwarze 612: char *p;
1.42 schwarze 613: int la;
1.1 kristaps 614:
1.106 schwarze 615: if (buf[*pos] == '\0')
616: return;
1.1 kristaps 617:
618: for (;;) {
1.42 schwarze 619: la = *pos;
1.109 schwarze 620: if (mdoc_args(mdoc, line, pos, buf, MDOC_MAX, &p) == ARGS_EOLN)
1.1 kristaps 621: break;
1.80 schwarze 622: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.43 schwarze 623:
1.42 schwarze 624: /*
625: * If we encounter end-of-sentence symbols, then trigger
626: * the double-space.
627: *
1.68 schwarze 628: * XXX: it's easy to allow this to propagate outward to
1.42 schwarze 629: * the last symbol, such that `. )' will cause the
630: * correct double-spacing. However, (1) groff isn't
631: * smart enough to do this and (2) it would require
632: * knowing which symbols break this behaviour, for
1.68 schwarze 633: * example, `. ;' shouldn't propagate the double-space.
1.42 schwarze 634: */
1.106 schwarze 635:
1.84 schwarze 636: if (mandoc_eos(p, strlen(p)))
1.76 schwarze 637: mdoc->last->flags |= MDOC_EOS;
1.1 kristaps 638: }
639: }
640:
641: /*
1.109 schwarze 642: * Parse one word.
643: * If it is a macro, call it and return 1.
644: * Otherwise, allocate it and return 0.
645: */
646: static int
647: macro_or_word(MACRO_PROT_ARGS, int parsed)
648: {
649: char *p;
650: enum mdoct ntok;
651:
652: p = buf + ppos;
653: ntok = MDOC_MAX;
1.113 schwarze 654: if (*p == '"')
1.109 schwarze 655: p++;
1.113 schwarze 656: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.111 schwarze 657: ntok = lookup(mdoc, tok, line, ppos, p);
1.109 schwarze 658:
659: if (ntok == MDOC_MAX) {
660: dword(mdoc, line, ppos, p, DELIM_MAX, tok == MDOC_MAX ||
661: mdoc_macros[tok].flags & MDOC_JOIN);
662: return(0);
663: } else {
664: if (mdoc_macros[tok].fp == in_line_eoln)
665: rew_elem(mdoc, tok);
666: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
667: if (tok == MDOC_MAX)
668: append_delims(mdoc, line, pos, buf);
669: return(1);
670: }
671: }
672:
673: /*
1.88 schwarze 674: * Close out block partial/full explicit.
1.1 kristaps 675: */
1.107 schwarze 676: static void
1.1 kristaps 677: blk_exp_close(MACRO_PROT_ARGS)
678: {
1.47 schwarze 679: struct mdoc_node *body; /* Our own body. */
1.104 schwarze 680: struct mdoc_node *endbody; /* Our own end marker. */
1.47 schwarze 681: struct mdoc_node *later; /* A sub-block starting later. */
1.122 schwarze 682: struct mdoc_node *n; /* Search back to our block. */
1.47 schwarze 683:
1.122 schwarze 684: int have_it, j, lastarg, maxargs, nl;
1.36 schwarze 685: enum margserr ac;
1.47 schwarze 686: enum mdoct atok, ntok;
1.1 kristaps 687: char *p;
688:
1.76 schwarze 689: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 690:
1.1 kristaps 691: switch (tok) {
1.88 schwarze 692: case MDOC_Ec:
1.1 kristaps 693: maxargs = 1;
694: break;
1.88 schwarze 695: case MDOC_Ek:
1.82 schwarze 696: mdoc->flags &= ~MDOC_KEEP;
1.107 schwarze 697: /* FALLTHROUGH */
1.1 kristaps 698: default:
699: maxargs = 0;
700: break;
701: }
702:
1.47 schwarze 703: /*
704: * Search backwards for beginnings of blocks,
705: * both of our own and of pending sub-blocks.
706: */
1.107 schwarze 707:
1.116 schwarze 708: have_it = 0;
1.47 schwarze 709: atok = rew_alt(tok);
1.104 schwarze 710: body = endbody = later = NULL;
1.76 schwarze 711: for (n = mdoc->last; n; n = n->parent) {
1.117 schwarze 712: if (n->flags & (MDOC_VALID | MDOC_BREAK))
1.47 schwarze 713: continue;
714:
715: /* Remember the start of our own body. */
1.107 schwarze 716:
1.106 schwarze 717: if (n->type == MDOC_BODY && atok == n->tok) {
1.122 schwarze 718: if (n->end == ENDBODY_NOT) {
1.47 schwarze 719: body = n;
1.122 schwarze 720: n->lastline = line;
721: }
1.47 schwarze 722: continue;
723: }
724:
1.106 schwarze 725: if (n->type != MDOC_BLOCK || n->tok == MDOC_Nm)
1.47 schwarze 726: continue;
1.116 schwarze 727:
728: if (n->tok == MDOC_It) {
729: have_it = 1;
730: continue;
731: }
732:
1.47 schwarze 733: if (atok == n->tok) {
1.122 schwarze 734: n->lastline = line;
1.47 schwarze 735: assert(body);
736:
737: /*
738: * Found the start of our own block.
739: * When there is no pending sub block,
740: * just proceed to closing out.
741: */
1.107 schwarze 742:
1.116 schwarze 743: if (later == NULL ||
744: (tok == MDOC_El && !have_it))
1.47 schwarze 745: break;
746:
1.88 schwarze 747: /*
1.123 schwarze 748: * When there is a pending sub block, postpone
749: * closing out the current block until the
750: * rew_pending() closing out the sub-block.
1.47 schwarze 751: */
1.107 schwarze 752:
1.124 schwarze 753: make_pending(mdoc, n, later, line, ppos);
1.47 schwarze 754:
755: /*
756: * Mark the place where the formatting - but not
757: * the scope - of the current block ends.
758: */
1.107 schwarze 759:
1.122 schwarze 760: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.106 schwarze 761: atok, body, ENDBODY_SPACE);
1.107 schwarze 762:
763: /*
764: * If a block closing macro taking arguments
765: * breaks another block, put the arguments
1.122 schwarze 766: * into the end marker.
1.107 schwarze 767: */
768:
1.122 schwarze 769: if (maxargs)
1.104 schwarze 770: mdoc->next = MDOC_NEXT_CHILD;
1.47 schwarze 771: break;
772: }
773:
774: /*
775: * When finding an open sub block, remember the last
776: * open explicit block, or, in case there are only
777: * implicit ones, the first open implicit block.
778: */
1.107 schwarze 779:
1.116 schwarze 780: if (later == NULL ||
781: ! (mdoc_macros[later->tok].flags & MDOC_EXPLICIT))
1.47 schwarze 782: later = n;
783: }
1.122 schwarze 784:
785: if (body == NULL) {
786: mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
787: line, ppos, mdoc_macronames[tok]);
788: if (maxargs && endbody == NULL) {
789: /*
790: * Stray .Ec without previous .Eo:
791: * Break the output line, keep the arguments.
792: */
793: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
794: rew_elem(mdoc, MDOC_br);
795: }
796: } else if (endbody == NULL) {
797: rew_last(mdoc, body);
798: if (maxargs)
799: mdoc_tail_alloc(mdoc, line, ppos, atok);
800: }
1.47 schwarze 801:
1.106 schwarze 802: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
803: if (buf[*pos] != '\0')
1.93 schwarze 804: mandoc_vmsg(MANDOCERR_ARG_SKIP,
805: mdoc->parse, line, ppos,
806: "%s %s", mdoc_macronames[tok],
807: buf + *pos);
1.123 schwarze 808: if (endbody == NULL)
809: rew_pending(mdoc, n);
1.107 schwarze 810: return;
1.1 kristaps 811: }
812:
1.122 schwarze 813: if (endbody != NULL)
814: n = endbody;
1.104 schwarze 815: for (j = 0; ; j++) {
1.1 kristaps 816: lastarg = *pos;
817:
1.122 schwarze 818: if (j == maxargs && n != NULL) {
819: rew_pending(mdoc, n);
820: n = NULL;
1.1 kristaps 821: }
822:
1.76 schwarze 823: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 824: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 825: break;
826:
1.111 schwarze 827: ntok = ac == ARGS_QWORD ? MDOC_MAX :
828: lookup(mdoc, tok, line, lastarg, p);
1.36 schwarze 829:
1.106 schwarze 830: if (ntok == MDOC_MAX) {
831: dword(mdoc, line, lastarg, p, DELIM_MAX,
832: MDOC_JOIN & mdoc_macros[tok].flags);
1.36 schwarze 833: continue;
834: }
1.1 kristaps 835:
1.122 schwarze 836: if (n != NULL) {
837: rew_pending(mdoc, n);
838: n = NULL;
1.36 schwarze 839: }
1.79 schwarze 840: mdoc->flags &= ~MDOC_NEWLINE;
1.107 schwarze 841: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.36 schwarze 842: break;
1.1 kristaps 843: }
844:
1.122 schwarze 845: if (n != NULL)
846: rew_pending(mdoc, n);
1.106 schwarze 847: if (nl)
848: append_delims(mdoc, line, pos, buf);
1.1 kristaps 849: }
850:
1.107 schwarze 851: static void
1.1 kristaps 852: in_line(MACRO_PROT_ARGS)
853: {
1.100 schwarze 854: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.36 schwarze 855: enum mdoct ntok;
856: enum margserr ac;
1.40 schwarze 857: enum mdelim d;
1.36 schwarze 858: struct mdoc_arg *arg;
859: char *p;
1.1 kristaps 860:
1.76 schwarze 861: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 862:
1.1 kristaps 863: /*
864: * Whether we allow ignored elements (those without content,
865: * usually because of reserved words) to squeak by.
866: */
1.32 schwarze 867:
1.1 kristaps 868: switch (tok) {
1.88 schwarze 869: case MDOC_An:
1.19 schwarze 870: /* FALLTHROUGH */
1.88 schwarze 871: case MDOC_Ar:
1.1 kristaps 872: /* FALLTHROUGH */
1.88 schwarze 873: case MDOC_Fl:
1.1 kristaps 874: /* FALLTHROUGH */
1.88 schwarze 875: case MDOC_Mt:
1.18 schwarze 876: /* FALLTHROUGH */
1.88 schwarze 877: case MDOC_Nm:
1.19 schwarze 878: /* FALLTHROUGH */
1.88 schwarze 879: case MDOC_Pa:
1.1 kristaps 880: nc = 1;
881: break;
882: default:
883: nc = 0;
884: break;
885: }
886:
1.108 schwarze 887: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 888:
1.100 schwarze 889: d = DELIM_NONE;
890: firstarg = 1;
1.98 schwarze 891: mayopen = 1;
1.45 schwarze 892: for (cnt = scope = 0;; ) {
1.1 kristaps 893: la = *pos;
1.76 schwarze 894: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 895:
1.100 schwarze 896: /*
897: * At the end of a macro line,
898: * opening delimiters do not suppress spacing.
899: */
900:
901: if (ac == ARGS_EOLN) {
902: if (d == DELIM_OPEN)
903: mdoc->last->flags &= ~MDOC_DELIMO;
1.1 kristaps 904: break;
1.100 schwarze 905: }
906:
907: /*
908: * The rest of the macro line is only punctuation,
909: * to be handled by append_delims().
910: * If there were no other arguments,
911: * do not allow the first one to suppress spacing,
912: * even if it turns out to be a closing one.
913: */
914:
915: if (ac == ARGS_PUNCT) {
916: if (cnt == 0 && nc == 0)
917: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 918: break;
1.100 schwarze 919: }
1.1 kristaps 920:
1.101 schwarze 921: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
1.111 schwarze 922: MDOC_MAX : lookup(mdoc, tok, line, la, p);
1.1 kristaps 923:
1.88 schwarze 924: /*
1.1 kristaps 925: * In this case, we've located a submacro and must
926: * execute it. Close out scope, if open. If no
927: * elements have been generated, either create one (nc)
928: * or raise a warning.
929: */
930:
1.106 schwarze 931: if (ntok != MDOC_MAX) {
1.105 schwarze 932: if (scope)
933: rew_elem(mdoc, tok);
1.106 schwarze 934: if (nc && ! cnt) {
935: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.105 schwarze 936: rew_last(mdoc, mdoc->last);
1.106 schwarze 937: } else if ( ! nc && ! cnt) {
1.1 kristaps 938: mdoc_argv_free(arg);
1.92 schwarze 939: mandoc_msg(MANDOCERR_MACRO_EMPTY,
940: mdoc->parse, line, ppos,
941: mdoc_macronames[tok]);
1.1 kristaps 942: }
1.107 schwarze 943: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.106 schwarze 944: if (nl)
945: append_delims(mdoc, line, pos, buf);
1.107 schwarze 946: return;
1.88 schwarze 947: }
1.1 kristaps 948:
1.88 schwarze 949: /*
1.1 kristaps 950: * Non-quote-enclosed punctuation. Set up our scope, if
951: * a word; rewind the scope, if a delimiter; then append
1.88 schwarze 952: * the word.
1.1 kristaps 953: */
954:
1.106 schwarze 955: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.1 kristaps 956:
1.45 schwarze 957: if (DELIM_NONE != d) {
958: /*
959: * If we encounter closing punctuation, no word
1.100 schwarze 960: * has been emitted, no scope is open, and we're
1.45 schwarze 961: * allowed to have an empty element, then start
1.98 schwarze 962: * a new scope.
1.45 schwarze 963: */
1.98 schwarze 964: if ((d == DELIM_CLOSE ||
965: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.100 schwarze 966: !cnt && !scope && nc && mayopen) {
1.106 schwarze 967: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 968: scope = 1;
1.98 schwarze 969: cnt++;
1.106 schwarze 970: if (tok == MDOC_Nm)
1.98 schwarze 971: mayopen = 0;
1.45 schwarze 972: }
973: /*
974: * Close out our scope, if one is open, before
975: * any punctuation.
976: */
1.105 schwarze 977: if (scope)
978: rew_elem(mdoc, tok);
1.45 schwarze 979: scope = 0;
1.101 schwarze 980: if (tok == MDOC_Fn)
981: mayopen = 0;
1.98 schwarze 982: } else if (mayopen && !scope) {
1.106 schwarze 983: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 984: scope = 1;
1.98 schwarze 985: cnt++;
1.1 kristaps 986: }
1.66 schwarze 987:
1.106 schwarze 988: dword(mdoc, line, la, p, d,
989: MDOC_JOIN & mdoc_macros[tok].flags);
1.27 schwarze 990:
991: /*
1.100 schwarze 992: * If the first argument is a closing delimiter,
993: * do not suppress spacing before it.
994: */
995:
996: if (firstarg && d == DELIM_CLOSE && !nc)
997: mdoc->last->flags &= ~MDOC_DELIMC;
998: firstarg = 0;
999:
1000: /*
1.27 schwarze 1001: * `Fl' macros have their scope re-opened with each new
1002: * word so that the `-' can be added to each one without
1003: * having to parse out spaces.
1004: */
1.106 schwarze 1005: if (scope && tok == MDOC_Fl) {
1.105 schwarze 1006: rew_elem(mdoc, tok);
1.45 schwarze 1007: scope = 0;
1.27 schwarze 1008: }
1.1 kristaps 1009: }
1010:
1.105 schwarze 1011: if (scope)
1012: rew_elem(mdoc, tok);
1.1 kristaps 1013:
1014: /*
1015: * If no elements have been collected and we're allowed to have
1016: * empties (nc), open a scope and close it out. Otherwise,
1017: * raise a warning.
1018: */
1.32 schwarze 1019:
1.106 schwarze 1020: if ( ! cnt) {
1021: if (nc) {
1022: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1023: rew_last(mdoc, mdoc->last);
1024: } else {
1025: mdoc_argv_free(arg);
1026: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1027: line, ppos, mdoc_macronames[tok]);
1028: }
1.1 kristaps 1029: }
1.106 schwarze 1030: if (nl)
1031: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1032: }
1033:
1.107 schwarze 1034: static void
1.1 kristaps 1035: blk_full(MACRO_PROT_ARGS)
1036: {
1.109 schwarze 1037: int la, nl, parsed;
1.1 kristaps 1038: struct mdoc_arg *arg;
1.121 schwarze 1039: struct mdoc_node *blk; /* Our own block. */
1040: struct mdoc_node *head; /* Our own head. */
1041: struct mdoc_node *body; /* Our own body. */
1.32 schwarze 1042: struct mdoc_node *n;
1.37 schwarze 1043: enum margserr ac, lac;
1.1 kristaps 1044: char *p;
1045:
1.76 schwarze 1046: nl = MDOC_NEWLINE & mdoc->flags;
1.95 schwarze 1047:
1048: /* Skip items outside lists. */
1049:
1050: if (tok == MDOC_It) {
1051: for (n = mdoc->last; n; n = n->parent)
1.114 schwarze 1052: if (n->tok == MDOC_Bl && n->type == MDOC_BLOCK &&
1053: ! (n->flags & (MDOC_VALID | MDOC_BREAK)))
1.95 schwarze 1054: break;
1055: if (n == NULL) {
1056: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1057: line, ppos, "It %s", buf + *pos);
1.106 schwarze 1058: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
1.105 schwarze 1059: rew_elem(mdoc, MDOC_br);
1.107 schwarze 1060: return;
1.95 schwarze 1061: }
1062: }
1.43 schwarze 1063:
1.32 schwarze 1064: /* Close out prior implicit scope. */
1.12 schwarze 1065:
1.106 schwarze 1066: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
1067: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1068: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
1.1 kristaps 1069: }
1070:
1.32 schwarze 1071: /*
1.68 schwarze 1072: * This routine accommodates implicitly- and explicitly-scoped
1.32 schwarze 1073: * macro openings. Implicit ones first close out prior scope
1074: * (seen above). Delay opening the head until necessary to
1075: * allow leading punctuation to print. Special consideration
1076: * for `It -column', which has phrase-part syntax instead of
1077: * regular child nodes.
1078: */
1079:
1.108 schwarze 1080: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.121 schwarze 1081: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.34 schwarze 1082: head = body = NULL;
1.1 kristaps 1083:
1.32 schwarze 1084: /*
1.73 schwarze 1085: * Exception: Heads of `It' macros in `-diag' lists are not
1086: * parsed, even though `It' macros in general are parsed.
1087: */
1.107 schwarze 1088:
1.109 schwarze 1089: parsed = tok != MDOC_It ||
1090: mdoc->last->parent->tok != MDOC_Bl ||
1091: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.73 schwarze 1092:
1093: /*
1.32 schwarze 1094: * The `Nd' macro has all arguments in its body: it's a hybrid
1095: * of block partial-explicit and full-implicit. Stupid.
1096: */
1.12 schwarze 1097:
1.106 schwarze 1098: if (tok == MDOC_Nd) {
1099: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.118 schwarze 1100: rew_last(mdoc, head);
1.106 schwarze 1101: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.80 schwarze 1102: }
1103:
1.106 schwarze 1104: if (tok == MDOC_Bk)
1.80 schwarze 1105: mdoc->flags |= MDOC_KEEP;
1.12 schwarze 1106:
1.106 schwarze 1107: ac = ARGS_PEND;
1108: for (;;) {
1.32 schwarze 1109: la = *pos;
1.106 schwarze 1110: lac = ac;
1.76 schwarze 1111: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1112: if (ac == ARGS_PUNCT)
1.52 schwarze 1113: break;
1.106 schwarze 1114: if (ac == ARGS_EOLN) {
1115: if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
1.46 schwarze 1116: break;
1117: /*
1118: * This is necessary: if the last token on a
1119: * line is a `Ta' or tab, then we'll get
1120: * ARGS_EOLN, so we must be smart enough to
1121: * reopen our scope if the last parse was a
1122: * phrase or partial phrase.
1123: */
1.123 schwarze 1124: if (body != NULL)
1125: rew_last(mdoc, body);
1.106 schwarze 1126: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1127: break;
1.41 schwarze 1128: }
1129:
1.88 schwarze 1130: /*
1.46 schwarze 1131: * Emit leading punctuation (i.e., punctuation before
1132: * the MDOC_HEAD) for non-phrase types.
1133: */
1.32 schwarze 1134:
1.106 schwarze 1135: if (head == NULL &&
1136: ac != ARGS_PEND &&
1137: ac != ARGS_PHRASE &&
1138: ac != ARGS_PPHRASE &&
1139: ac != ARGS_QWORD &&
1140: mdoc_isdelim(p) == DELIM_OPEN) {
1141: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1142: continue;
1143: }
1144:
1.46 schwarze 1145: /* Open a head if one hasn't been opened. */
1.32 schwarze 1146:
1.106 schwarze 1147: if (head == NULL)
1148: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1149:
1.106 schwarze 1150: if (ac == ARGS_PHRASE ||
1151: ac == ARGS_PEND ||
1152: ac == ARGS_PPHRASE) {
1.107 schwarze 1153:
1.46 schwarze 1154: /*
1155: * If we haven't opened a body yet, rewind the
1156: * head; if we have, rewind that instead.
1157: */
1158:
1.123 schwarze 1159: rew_last(mdoc, body == NULL ? head : body);
1.106 schwarze 1160: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1161:
1162: /*
1163: * Process phrases: set whether we're in a
1164: * partial-phrase (this effects line handling)
1165: * then call down into the phrase parser.
1166: */
1167:
1.106 schwarze 1168: if (ac == ARGS_PPHRASE)
1.76 schwarze 1169: mdoc->flags |= MDOC_PPHRASE;
1.106 schwarze 1170: if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
1.76 schwarze 1171: mdoc->flags |= MDOC_PPHRASE;
1.110 schwarze 1172: parse_rest(mdoc, MDOC_MAX, line, &la, buf);
1.76 schwarze 1173: mdoc->flags &= ~MDOC_PPHRASE;
1.1 kristaps 1174: continue;
1175: }
1176:
1.109 schwarze 1177: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.107 schwarze 1178: break;
1.32 schwarze 1179: }
1.1 kristaps 1180:
1.121 schwarze 1181: if (blk->flags & MDOC_VALID)
1182: return;
1.106 schwarze 1183: if (head == NULL)
1184: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1185: if (nl)
1186: append_delims(mdoc, line, pos, buf);
1.107 schwarze 1187: if (body != NULL)
1.46 schwarze 1188: goto out;
1.29 schwarze 1189:
1190: /*
1.34 schwarze 1191: * If there is an open (i.e., unvalidated) sub-block requiring
1192: * explicit close-out, postpone switching the current block from
1.123 schwarze 1193: * head to body until the rew_pending() call closing out that
1.34 schwarze 1194: * sub-block.
1.29 schwarze 1195: */
1.76 schwarze 1196: for (n = mdoc->last; n && n != head; n = n->parent) {
1.107 schwarze 1197: if (n->type == MDOC_BLOCK &&
1198: mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
1199: ! (n->flags & MDOC_VALID)) {
1.29 schwarze 1200: n->pending = head;
1.107 schwarze 1201: return;
1.29 schwarze 1202: }
1203: }
1.54 schwarze 1204:
1.32 schwarze 1205: /* Close out scopes to remain in a consistent state. */
1.12 schwarze 1206:
1.123 schwarze 1207: rew_last(mdoc, head);
1208: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1209: out:
1.106 schwarze 1210: if (mdoc->flags & MDOC_FREECOL) {
1.123 schwarze 1211: rew_last(mdoc, body);
1212: rew_last(mdoc, blk);
1.106 schwarze 1213: mdoc->flags &= ~MDOC_FREECOL;
1214: }
1.1 kristaps 1215: }
1216:
1.107 schwarze 1217: static void
1.1 kristaps 1218: blk_part_imp(MACRO_PROT_ARGS)
1219: {
1.43 schwarze 1220: int la, nl;
1.36 schwarze 1221: enum margserr ac;
1.1 kristaps 1222: char *p;
1.32 schwarze 1223: struct mdoc_node *blk; /* saved block context */
1224: struct mdoc_node *body; /* saved body context */
1225: struct mdoc_node *n;
1.1 kristaps 1226:
1.76 schwarze 1227: nl = MDOC_NEWLINE & mdoc->flags;
1.43 schwarze 1228:
1.32 schwarze 1229: /*
1230: * A macro that spans to the end of the line. This is generally
1231: * (but not necessarily) called as the first macro. The block
1232: * has a head as the immediate child, which is always empty,
1233: * followed by zero or more opening punctuation nodes, then the
1234: * body (which may be empty, depending on the macro), then zero
1235: * or more closing punctuation nodes.
1236: */
1.22 schwarze 1237:
1.106 schwarze 1238: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.118 schwarze 1239: rew_last(mdoc, mdoc_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1240:
1.32 schwarze 1241: /*
1242: * Open the body scope "on-demand", that is, after we've
1243: * processed all our the leading delimiters (open parenthesis,
1244: * etc.).
1245: */
1.1 kristaps 1246:
1.32 schwarze 1247: for (body = NULL; ; ) {
1.22 schwarze 1248: la = *pos;
1.76 schwarze 1249: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1250: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1251: break;
1252:
1.106 schwarze 1253: if (body == NULL && ac != ARGS_QWORD &&
1254: mdoc_isdelim(p) == DELIM_OPEN) {
1255: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1256: continue;
1.80 schwarze 1257: }
1.1 kristaps 1258:
1.106 schwarze 1259: if (body == NULL)
1260: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1261:
1.109 schwarze 1262: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.107 schwarze 1263: break;
1.32 schwarze 1264: }
1.106 schwarze 1265: if (body == NULL)
1266: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1267:
1.47 schwarze 1268: /*
1269: * If there is an open sub-block requiring explicit close-out,
1.123 schwarze 1270: * postpone closing out the current block until the
1271: * rew_pending() call closing out the sub-block.
1.47 schwarze 1272: */
1.107 schwarze 1273:
1.76 schwarze 1274: for (n = mdoc->last; n && n != body && n != blk->parent;
1.88 schwarze 1275: n = n->parent) {
1.106 schwarze 1276: if (n->type == MDOC_BLOCK &&
1277: mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
1278: ! (n->flags & MDOC_VALID)) {
1.124 schwarze 1279: make_pending(mdoc, blk, n, line, ppos);
1.106 schwarze 1280: mdoc_endbody_alloc(mdoc, line, ppos,
1281: tok, body, ENDBODY_NOSPACE);
1.107 schwarze 1282: return;
1.47 schwarze 1283: }
1284: }
1.91 schwarze 1285: assert(n == body);
1.120 schwarze 1286: rew_last(mdoc, body);
1.106 schwarze 1287: if (nl)
1288: append_delims(mdoc, line, pos, buf);
1.122 schwarze 1289: rew_pending(mdoc, blk);
1.74 schwarze 1290:
1291: /* Move trailing .Ns out of scope. */
1292:
1293: for (n = body->child; n && n->next; n = n->next)
1294: /* Do nothing. */ ;
1.106 schwarze 1295: if (n && n->tok == MDOC_Ns)
1.76 schwarze 1296: mdoc_node_relink(mdoc, n);
1.1 kristaps 1297: }
1298:
1.107 schwarze 1299: static void
1.1 kristaps 1300: blk_part_exp(MACRO_PROT_ARGS)
1301: {
1.37 schwarze 1302: int la, nl;
1.36 schwarze 1303: enum margserr ac;
1.32 schwarze 1304: struct mdoc_node *head; /* keep track of head */
1.1 kristaps 1305: char *p;
1306:
1.76 schwarze 1307: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 1308:
1.32 schwarze 1309: /*
1310: * The opening of an explicit macro having zero or more leading
1311: * punctuation nodes; a head with optional single element (the
1312: * case of `Eo'); and a body that may be empty.
1313: */
1.22 schwarze 1314:
1.106 schwarze 1315: mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.119 schwarze 1316: head = NULL;
1317: for (;;) {
1.22 schwarze 1318: la = *pos;
1.76 schwarze 1319: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1320: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1321: break;
1322:
1.32 schwarze 1323: /* Flush out leading punctuation. */
1324:
1.106 schwarze 1325: if (head == NULL && ac != ARGS_QWORD &&
1326: mdoc_isdelim(p) == DELIM_OPEN) {
1327: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1328: continue;
1.80 schwarze 1329: }
1.32 schwarze 1330:
1.106 schwarze 1331: if (head == NULL) {
1332: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.119 schwarze 1333: if (tok == MDOC_Eo) /* Not parsed. */
1.106 schwarze 1334: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.119 schwarze 1335: rew_last(mdoc, head);
1336: mdoc_body_alloc(mdoc, line, ppos, tok);
1.106 schwarze 1337: if (tok == MDOC_Eo)
1.32 schwarze 1338: continue;
1339: }
1340:
1.109 schwarze 1341: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.107 schwarze 1342: break;
1.1 kristaps 1343: }
1344:
1.32 schwarze 1345: /* Clean-up to leave in a consistent state. */
1346:
1.119 schwarze 1347: if (head == NULL) {
1348: rew_last(mdoc, mdoc_head_alloc(mdoc, line, ppos, tok));
1.106 schwarze 1349: mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1350: }
1.106 schwarze 1351: if (nl)
1352: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1353: }
1354:
1.107 schwarze 1355: static void
1.1 kristaps 1356: in_line_argn(MACRO_PROT_ARGS)
1357: {
1.37 schwarze 1358: int la, flushed, j, maxargs, nl;
1.36 schwarze 1359: enum margserr ac;
1360: struct mdoc_arg *arg;
1361: char *p;
1362: enum mdoct ntok;
1.1 kristaps 1363:
1.112 schwarze 1364: nl = mdoc->flags & MDOC_NEWLINE;
1.37 schwarze 1365:
1.32 schwarze 1366: /*
1367: * A line macro that has a fixed number of arguments (maxargs).
1368: * Only open the scope once the first non-leading-punctuation is
1369: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1370: * keep it open until the maximum number of arguments are
1371: * exhausted.
1372: */
1.1 kristaps 1373:
1374: switch (tok) {
1.88 schwarze 1375: case MDOC_Ap:
1.1 kristaps 1376: /* FALLTHROUGH */
1.88 schwarze 1377: case MDOC_Ns:
1.1 kristaps 1378: /* FALLTHROUGH */
1.88 schwarze 1379: case MDOC_Ux:
1.1 kristaps 1380: maxargs = 0;
1381: break;
1.88 schwarze 1382: case MDOC_Bx:
1.64 schwarze 1383: /* FALLTHROUGH */
1.89 schwarze 1384: case MDOC_Es:
1385: /* FALLTHROUGH */
1.88 schwarze 1386: case MDOC_Xr:
1.28 schwarze 1387: maxargs = 2;
1388: break;
1.1 kristaps 1389: default:
1390: maxargs = 1;
1391: break;
1392: }
1393:
1.108 schwarze 1394: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1395:
1.112 schwarze 1396: p = NULL;
1397: flushed = j = 0;
1398: for (;;) {
1.22 schwarze 1399: la = *pos;
1.76 schwarze 1400: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.112 schwarze 1401: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1402: if (j < 2 && tok == MDOC_Pf)
1403: mandoc_vmsg(MANDOCERR_PF_SKIP,
1404: mdoc->parse, line, ppos, "Pf %s",
1405: p == NULL ? "at eol" : p);
1.1 kristaps 1406: break;
1.112 schwarze 1407: }
1.1 kristaps 1408:
1.106 schwarze 1409: if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1410: ac != ARGS_QWORD && j == 0 &&
1411: mdoc_isdelim(p) == DELIM_OPEN) {
1412: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1413: continue;
1.106 schwarze 1414: } else if (j == 0)
1415: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.32 schwarze 1416:
1417: if (j == maxargs && ! flushed) {
1.105 schwarze 1418: rew_elem(mdoc, tok);
1.32 schwarze 1419: flushed = 1;
1420: }
1421:
1.112 schwarze 1422: ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && j == 0)) ?
1423: MDOC_MAX : lookup(mdoc, tok, line, la, p);
1.36 schwarze 1424:
1.106 schwarze 1425: if (ntok != MDOC_MAX) {
1.105 schwarze 1426: if ( ! flushed)
1427: rew_elem(mdoc, tok);
1.1 kristaps 1428: flushed = 1;
1.107 schwarze 1429: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.32 schwarze 1430: j++;
1.1 kristaps 1431: break;
1432: }
1433:
1.106 schwarze 1434: if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1435: ac != ARGS_QWORD && ! flushed &&
1436: mdoc_isdelim(p) != DELIM_NONE) {
1.105 schwarze 1437: rew_elem(mdoc, tok);
1.1 kristaps 1438: flushed = 1;
1.28 schwarze 1439: }
1440:
1.106 schwarze 1441: dword(mdoc, line, la, p, DELIM_MAX,
1442: MDOC_JOIN & mdoc_macros[tok].flags);
1.32 schwarze 1443: j++;
1.1 kristaps 1444: }
1445:
1.112 schwarze 1446: if (j == 0) {
1.106 schwarze 1447: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.112 schwarze 1448: if (ac == ARGS_PUNCT && tok == MDOC_Pf)
1449: append_delims(mdoc, line, pos, buf);
1450: }
1.105 schwarze 1451: if ( ! flushed)
1452: rew_elem(mdoc, tok);
1.106 schwarze 1453: if (nl)
1454: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1455: }
1456:
1.107 schwarze 1457: static void
1.1 kristaps 1458: in_line_eoln(MACRO_PROT_ARGS)
1459: {
1.126 ! schwarze 1460: struct mdoc_node *n;
! 1461: struct mdoc_arg *arg;
1.1 kristaps 1462:
1.126 ! schwarze 1463: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
! 1464: ! (mdoc->flags & MDOC_SYNOPSIS)) {
! 1465: n = mdoc->last;
! 1466: if (mdoc->next == MDOC_NEXT_SIBLING)
! 1467: n = n->parent;
! 1468: if (n->tok == MDOC_Nm)
! 1469: rew_last(mdoc, mdoc->last->parent);
! 1470: }
1.53 schwarze 1471:
1.108 schwarze 1472: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.106 schwarze 1473: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.110 schwarze 1474: if (parse_rest(mdoc, tok, line, pos, buf))
1475: return;
1476: rew_elem(mdoc, tok);
1477: }
1478:
1479: /*
1480: * The simplest argument parser available: Parse the remaining
1481: * words until the end of the phrase or line and return 0
1482: * or until the next macro, call that macro, and return 1.
1483: */
1484: static int
1485: parse_rest(struct mdoc *mdoc, enum mdoct tok, int line, int *pos, char *buf)
1486: {
1487: int la;
1.1 kristaps 1488:
1489: for (;;) {
1490: la = *pos;
1.109 schwarze 1491: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.110 schwarze 1492: return(0);
1.109 schwarze 1493: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.110 schwarze 1494: return(1);
1.1 kristaps 1495: }
1.28 schwarze 1496: }
1497:
1.107 schwarze 1498: static void
1.28 schwarze 1499: ctx_synopsis(MACRO_PROT_ARGS)
1500: {
1.37 schwarze 1501:
1.107 schwarze 1502: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1503: in_line(mdoc, tok, line, ppos, pos, buf);
1504: else if (tok == MDOC_Nm)
1505: blk_full(mdoc, tok, line, ppos, pos, buf);
1506: else {
1507: assert(tok == MDOC_Vt);
1508: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1509: }
1.1 kristaps 1510: }
1511:
1.17 schwarze 1512: /*
1513: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1514: * They're unusual because they're basically free-form text until a
1515: * macro is encountered.
1516: */
1.107 schwarze 1517: static void
1.46 schwarze 1518: phrase_ta(MACRO_PROT_ARGS)
1519: {
1.123 schwarze 1520: struct mdoc_node *body, *n;
1.46 schwarze 1521:
1.78 schwarze 1522: /* Make sure we are in a column list or ignore this macro. */
1.107 schwarze 1523:
1.123 schwarze 1524: body = NULL;
1525: for (n = mdoc->last; n != NULL; n = n->parent) {
1526: if (n->flags & (MDOC_VALID | MDOC_BREAK))
1527: continue;
1528: if (n->tok == MDOC_It && n->type == MDOC_BODY)
1529: body = n;
1530: if (n->tok == MDOC_Bl)
1531: break;
1532: }
1533:
1.107 schwarze 1534: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.94 schwarze 1535: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.96 schwarze 1536: line, ppos, "Ta");
1.107 schwarze 1537: return;
1.78 schwarze 1538: }
1.46 schwarze 1539:
1.78 schwarze 1540: /* Advance to the next column. */
1.106 schwarze 1541:
1.123 schwarze 1542: rew_last(mdoc, body);
1.106 schwarze 1543: mdoc_body_alloc(mdoc, line, ppos, MDOC_It);
1.110 schwarze 1544: parse_rest(mdoc, MDOC_MAX, line, pos, buf);
1.46 schwarze 1545: }
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