Annotation of src/usr.bin/mandoc/mdoc_macro.c, Revision 1.107
1.107 ! schwarze 1: /* $OpenBSD: mdoc_macro.c,v 1.106 2014/11/28 03:13:58 schwarze Exp $ */
1.1 kristaps 2: /*
1.74 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.99 schwarze 4: * Copyright (c) 2010, 2012, 2013, 2014 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,
1.59 schwarze 36: REWIND_FORCE,
1.48 schwarze 37: REWIND_LATER,
1.54 schwarze 38: REWIND_ERROR
1.35 schwarze 39: };
1.1 kristaps 40:
1.107 ! schwarze 41: static void blk_full(MACRO_PROT_ARGS);
! 42: static void blk_exp_close(MACRO_PROT_ARGS);
! 43: static void blk_part_exp(MACRO_PROT_ARGS);
! 44: static void blk_part_imp(MACRO_PROT_ARGS);
! 45: static void ctx_synopsis(MACRO_PROT_ARGS);
! 46: static void in_line_eoln(MACRO_PROT_ARGS);
! 47: static void in_line_argn(MACRO_PROT_ARGS);
! 48: static void in_line(MACRO_PROT_ARGS);
! 49: static void phrase_ta(MACRO_PROT_ARGS);
1.36 schwarze 50:
1.106 schwarze 51: static void dword(struct mdoc *, int, int, const char *,
1.80 schwarze 52: enum mdelim, int);
1.106 schwarze 53: static void append_delims(struct mdoc *, int, int *, char *);
1.36 schwarze 54: static enum mdoct lookup(enum mdoct, const char *);
55: static enum mdoct lookup_raw(const char *);
1.49 schwarze 56: static int make_pending(struct mdoc_node *, enum mdoct,
1.47 schwarze 57: struct mdoc *, int, int);
1.107 ! schwarze 58: static void phrase(struct mdoc *, 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 *);
1.106 schwarze 64: static void rew_sub(enum mdoc_type, struct mdoc *,
1.36 schwarze 65: enum mdoct, int, int);
1.1 kristaps 66:
67: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
1.80 schwarze 68: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
1.1 kristaps 69: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
70: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
71: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.80 schwarze 72: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
73: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
74: { in_line_eoln, 0 }, /* Pp */
75: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
76: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 77: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.80 schwarze 78: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 79: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.80 schwarze 80: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
81: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
82: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
83: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.1 kristaps 84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.86 schwarze 85: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.80 schwarze 87: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
89: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 90: { in_line_eoln, 0 }, /* Ex */
1.80 schwarze 91: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
92: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 93: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.80 schwarze 94: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
95: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.85 schwarze 96: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.11 schwarze 97: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.80 schwarze 98: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
99: { blk_full, MDOC_JOIN }, /* Nd */
100: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 101: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.89 schwarze 102: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 103: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
104: { in_line_eoln, 0 }, /* Rv */
1.80 schwarze 105: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 106: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.80 schwarze 107: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.28 schwarze 108: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.80 schwarze 109: { in_line_eoln, MDOC_JOIN }, /* %A */
110: { in_line_eoln, MDOC_JOIN }, /* %B */
111: { in_line_eoln, MDOC_JOIN }, /* %D */
112: { in_line_eoln, MDOC_JOIN }, /* %I */
113: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 114: { in_line_eoln, 0 }, /* %N */
1.80 schwarze 115: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 116: { in_line_eoln, 0 }, /* %P */
1.80 schwarze 117: { in_line_eoln, MDOC_JOIN }, /* %R */
118: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 119: { in_line_eoln, 0 }, /* %V */
1.80 schwarze 120: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
121: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
122: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
123: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
124: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 125: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.80 schwarze 126: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
127: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
128: { blk_full, MDOC_EXPLICIT }, /* Bf */
129: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
130: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
131: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 132: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
133: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
134: { in_line_eoln, 0 }, /* Db */
1.80 schwarze 135: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
136: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
137: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
138: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
139: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
140: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
141: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
142: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 143: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
144: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.3 schwarze 145: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.100 schwarze 146: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.80 schwarze 147: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
148: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 149: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
150: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.80 schwarze 151: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
152: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.35 schwarze 153: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.80 schwarze 154: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
155: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
156: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
157: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
158: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
159: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
160: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
161: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
162: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
163: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 164: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.80 schwarze 165: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
166: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
167: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
168: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
169: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.103 schwarze 170: { in_line_argn, 0 }, /* Sm */
1.80 schwarze 171: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
172: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 173: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.80 schwarze 174: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 175: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
176: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.80 schwarze 177: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
178: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
179: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
180: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
181: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
182: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
183: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 184: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.80 schwarze 185: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 186: { in_line_eoln, 0 }, /* Bt */
187: { in_line_eoln, 0 }, /* Hf */
1.89 schwarze 188: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 189: { in_line_eoln, 0 }, /* Ud */
1.45 schwarze 190: { in_line, 0 }, /* Lb */
1.80 schwarze 191: { in_line_eoln, 0 }, /* Lp */
192: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
193: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
194: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
195: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
196: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
197: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
198: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
199: { in_line_eoln, MDOC_JOIN }, /* %C */
1.89 schwarze 200: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
201: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 202: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.80 schwarze 203: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.13 schwarze 204: { in_line_eoln, 0 }, /* br */
205: { in_line_eoln, 0 }, /* sp */
1.25 schwarze 206: { in_line_eoln, 0 }, /* %U */
1.80 schwarze 207: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.99 schwarze 208: { in_line_eoln, MDOC_PROLOGUE }, /* ll */
1.1 kristaps 209: };
210:
211: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
212:
213:
214: /*
215: * This is called at the end of parsing. It must traverse up the tree,
216: * closing out open [implicit] scopes. Obviously, open explicit scopes
217: * are errors.
218: */
1.107 ! schwarze 219: void
1.76 schwarze 220: mdoc_macroend(struct mdoc *mdoc)
1.1 kristaps 221: {
222: struct mdoc_node *n;
223:
224: /* Scan for open explicit scopes. */
225:
1.107 ! schwarze 226: n = mdoc->last->flags & MDOC_VALID ?
1.88 schwarze 227: mdoc->last->parent : mdoc->last;
1.1 kristaps 228:
1.56 schwarze 229: for ( ; n; n = n->parent)
1.107 ! schwarze 230: if (n->type == MDOC_BLOCK &&
! 231: mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
1.94 schwarze 232: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
233: n->line, n->pos, mdoc_macronames[n->tok]);
1.1 kristaps 234:
1.22 schwarze 235: /* Rewind to the first. */
236:
1.105 schwarze 237: rew_last(mdoc, mdoc->first);
1.1 kristaps 238: }
239:
1.22 schwarze 240: /*
241: * Look up a macro from within a subsequent context.
242: */
1.36 schwarze 243: static enum mdoct
244: lookup(enum mdoct from, const char *p)
1.21 schwarze 245: {
246:
247: if ( ! (MDOC_PARSED & mdoc_macros[from].flags))
248: return(MDOC_MAX);
1.24 schwarze 249: return(lookup_raw(p));
1.21 schwarze 250: }
251:
1.22 schwarze 252: /*
253: * Lookup a macro following the initial line macro.
254: */
1.36 schwarze 255: static enum mdoct
1.24 schwarze 256: lookup_raw(const char *p)
1.1 kristaps 257: {
1.36 schwarze 258: enum mdoct res;
1.1 kristaps 259:
1.24 schwarze 260: if (MDOC_MAX == (res = mdoc_hash_find(p)))
1.21 schwarze 261: return(MDOC_MAX);
262: if (MDOC_CALLABLE & mdoc_macros[res].flags)
1.1 kristaps 263: return(res);
264: return(MDOC_MAX);
265: }
266:
1.105 schwarze 267: static void
1.22 schwarze 268: rew_last(struct mdoc *mdoc, const struct mdoc_node *to)
1.1 kristaps 269: {
1.63 schwarze 270: struct mdoc_node *n, *np;
1.1 kristaps 271:
272: assert(to);
273: mdoc->next = MDOC_NEXT_SIBLING;
274: while (mdoc->last != to) {
1.63 schwarze 275: /*
276: * Save the parent here, because we may delete the
1.76 schwarze 277: * mdoc->last node in the post-validation phase and reset
278: * it to mdoc->last->parent, causing a step in the closing
1.63 schwarze 279: * out to be lost.
280: */
281: np = mdoc->last->parent;
1.105 schwarze 282: mdoc_valid_post(mdoc);
1.61 schwarze 283: n = mdoc->last;
1.63 schwarze 284: mdoc->last = np;
1.1 kristaps 285: assert(mdoc->last);
1.61 schwarze 286: mdoc->last->last = n;
1.1 kristaps 287: }
1.105 schwarze 288: mdoc_valid_post(mdoc);
1.1 kristaps 289: }
290:
1.22 schwarze 291: /*
1.48 schwarze 292: * For a block closing macro, return the corresponding opening one.
293: * Otherwise, return the macro itself.
1.22 schwarze 294: */
1.34 schwarze 295: static enum mdoct
296: rew_alt(enum mdoct tok)
1.1 kristaps 297: {
298: switch (tok) {
1.88 schwarze 299: case MDOC_Ac:
1.1 kristaps 300: return(MDOC_Ao);
1.88 schwarze 301: case MDOC_Bc:
1.1 kristaps 302: return(MDOC_Bo);
1.88 schwarze 303: case MDOC_Brc:
1.1 kristaps 304: return(MDOC_Bro);
1.88 schwarze 305: case MDOC_Dc:
1.1 kristaps 306: return(MDOC_Do);
1.88 schwarze 307: case MDOC_Ec:
1.1 kristaps 308: return(MDOC_Eo);
1.88 schwarze 309: case MDOC_Ed:
1.1 kristaps 310: return(MDOC_Bd);
1.88 schwarze 311: case MDOC_Ef:
1.1 kristaps 312: return(MDOC_Bf);
1.88 schwarze 313: case MDOC_Ek:
1.1 kristaps 314: return(MDOC_Bk);
1.88 schwarze 315: case MDOC_El:
1.1 kristaps 316: return(MDOC_Bl);
1.88 schwarze 317: case MDOC_Fc:
1.1 kristaps 318: return(MDOC_Fo);
1.88 schwarze 319: case MDOC_Oc:
1.1 kristaps 320: return(MDOC_Oo);
1.88 schwarze 321: case MDOC_Pc:
1.1 kristaps 322: return(MDOC_Po);
1.88 schwarze 323: case MDOC_Qc:
1.1 kristaps 324: return(MDOC_Qo);
1.88 schwarze 325: case MDOC_Re:
1.1 kristaps 326: return(MDOC_Rs);
1.88 schwarze 327: case MDOC_Sc:
1.1 kristaps 328: return(MDOC_So);
1.88 schwarze 329: case MDOC_Xc:
1.1 kristaps 330: return(MDOC_Xo);
331: default:
1.48 schwarze 332: return(tok);
1.1 kristaps 333: }
334: /* NOTREACHED */
335: }
336:
1.48 schwarze 337: /*
338: * Rewinding to tok, how do we have to handle *p?
339: * REWIND_NONE: *p would delimit tok, but no tok scope is open
340: * inside *p, so there is no need to rewind anything at all.
341: * REWIND_THIS: *p matches tok, so rewind *p and nothing else.
342: * REWIND_MORE: *p is implicit, rewind it and keep searching for tok.
1.59 schwarze 343: * REWIND_FORCE: *p is explicit, but tok is full, force rewinding *p.
1.48 schwarze 344: * REWIND_LATER: *p is explicit and still open, postpone rewinding.
345: * REWIND_ERROR: No tok block is open at all.
1.1 kristaps 346: */
1.35 schwarze 347: static enum rew
1.88 schwarze 348: rew_dohalt(enum mdoct tok, enum mdoc_type type,
1.34 schwarze 349: const struct mdoc_node *p)
1.1 kristaps 350: {
351:
1.50 schwarze 352: /*
353: * No matching token, no delimiting block, no broken block.
354: * This can happen when full implicit macros are called for
355: * the first time but try to rewind their previous
356: * instance anyway.
357: */
1.1 kristaps 358: if (MDOC_ROOT == p->type)
1.48 schwarze 359: return(MDOC_BLOCK == type &&
360: MDOC_EXPLICIT & mdoc_macros[tok].flags ?
361: REWIND_ERROR : REWIND_NONE);
1.50 schwarze 362:
363: /*
1.88 schwarze 364: * When starting to rewind, skip plain text
1.50 schwarze 365: * and nodes that have already been rewound.
366: */
1.48 schwarze 367: if (MDOC_TEXT == p->type || MDOC_VALID & p->flags)
368: return(REWIND_MORE);
369:
1.50 schwarze 370: /*
371: * The easiest case: Found a matching token.
372: * This applies to both blocks and elements.
373: */
1.48 schwarze 374: tok = rew_alt(tok);
375: if (tok == p->tok)
376: return(p->end ? REWIND_NONE :
377: type == p->type ? REWIND_THIS : REWIND_MORE);
378:
1.50 schwarze 379: /*
380: * While elements do require rewinding for themselves,
381: * they never affect rewinding of other nodes.
382: */
1.48 schwarze 383: if (MDOC_ELEM == p->type)
384: return(REWIND_MORE);
1.1 kristaps 385:
1.50 schwarze 386: /*
387: * Blocks delimited by our target token get REWIND_MORE.
1.88 schwarze 388: * Blocks delimiting our target token get REWIND_NONE.
1.50 schwarze 389: */
1.1 kristaps 390: switch (tok) {
1.88 schwarze 391: case MDOC_Bl:
1.48 schwarze 392: if (MDOC_It == p->tok)
393: return(REWIND_MORE);
1.1 kristaps 394: break;
1.88 schwarze 395: case MDOC_It:
1.1 kristaps 396: if (MDOC_BODY == p->type && MDOC_Bl == p->tok)
1.48 schwarze 397: return(REWIND_NONE);
1.1 kristaps 398: break;
1.48 schwarze 399: /*
400: * XXX Badly nested block handling still fails badly
401: * when one block is breaking two blocks of the same type.
402: * This is an incomplete and extremely ugly workaround,
403: * required to let the OpenBSD tree build.
404: */
1.88 schwarze 405: case MDOC_Oo:
1.48 schwarze 406: if (MDOC_Op == p->tok)
407: return(REWIND_MORE);
1.1 kristaps 408: break;
1.88 schwarze 409: case MDOC_Nm:
1.51 schwarze 410: return(REWIND_NONE);
1.88 schwarze 411: case MDOC_Nd:
1.12 schwarze 412: /* FALLTHROUGH */
1.88 schwarze 413: case MDOC_Ss:
1.1 kristaps 414: if (MDOC_BODY == p->type && MDOC_Sh == p->tok)
1.48 schwarze 415: return(REWIND_NONE);
1.1 kristaps 416: /* FALLTHROUGH */
1.88 schwarze 417: case MDOC_Sh:
1.95 schwarze 418: if (MDOC_ROOT == p->parent->type)
419: return(REWIND_THIS);
1.48 schwarze 420: if (MDOC_Nd == p->tok || MDOC_Ss == p->tok ||
421: MDOC_Sh == p->tok)
422: return(REWIND_MORE);
1.1 kristaps 423: break;
424: default:
425: break;
426: }
427:
1.50 schwarze 428: /*
429: * Default block rewinding rules.
1.51 schwarze 430: * In particular, always skip block end markers,
431: * and let all blocks rewind Nm children.
1.102 schwarze 432: * Do not warn again when closing a block,
433: * since closing the body already warned.
1.50 schwarze 434: */
1.54 schwarze 435: if (ENDBODY_NOT != p->end || MDOC_Nm == p->tok ||
1.102 schwarze 436: MDOC_BLOCK == type || (MDOC_BLOCK == p->type &&
1.50 schwarze 437: ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)))
438: return(REWIND_MORE);
439:
440: /*
1.59 schwarze 441: * By default, closing out full blocks
442: * forces closing of broken explicit blocks,
443: * while closing out partial blocks
444: * allows delayed rewinding by default.
1.50 schwarze 445: */
1.59 schwarze 446: return (&blk_full == mdoc_macros[tok].fp ?
447: REWIND_FORCE : REWIND_LATER);
1.1 kristaps 448: }
449:
1.105 schwarze 450: static void
1.34 schwarze 451: rew_elem(struct mdoc *mdoc, enum mdoct tok)
1.1 kristaps 452: {
453: struct mdoc_node *n;
454:
455: n = mdoc->last;
456: if (MDOC_ELEM != n->type)
457: n = n->parent;
458: assert(MDOC_ELEM == n->type);
459: assert(tok == n->tok);
1.105 schwarze 460: rew_last(mdoc, n);
1.1 kristaps 461: }
462:
1.47 schwarze 463: /*
464: * We are trying to close a block identified by tok,
465: * but the child block *broken is still open.
466: * Thus, postpone closing the tok block
467: * until the rew_sub call closing *broken.
468: */
469: static int
470: make_pending(struct mdoc_node *broken, enum mdoct tok,
1.76 schwarze 471: struct mdoc *mdoc, int line, int ppos)
1.47 schwarze 472: {
473: struct mdoc_node *breaker;
474:
475: /*
476: * Iterate backwards, searching for the block matching tok,
477: * that is, the block breaking the *broken block.
478: */
479: for (breaker = broken->parent; breaker; breaker = breaker->parent) {
480:
481: /*
482: * If the *broken block had already been broken before
483: * and we encounter its breaker, make the tok block
484: * pending on the inner breaker.
485: * Graphically, "[A breaker=[B broken=[C->B B] tok=A] C]"
486: * becomes "[A broken=[B [C->B B] tok=A] C]"
487: * and finally "[A [B->A [C->B B] A] C]".
488: */
489: if (breaker == broken->pending) {
490: broken = breaker;
491: continue;
492: }
493:
1.48 schwarze 494: if (REWIND_THIS != rew_dohalt(tok, MDOC_BLOCK, breaker))
1.47 schwarze 495: continue;
496: if (MDOC_BODY == broken->type)
497: broken = broken->parent;
498:
499: /*
500: * Found the breaker.
501: * If another, outer breaker is already pending on
502: * the *broken block, we must not clobber the link
503: * to the outer breaker, but make it pending on the
504: * new, now inner breaker.
505: * Graphically, "[A breaker=[B broken=[C->A A] tok=B] C]"
506: * becomes "[A breaker=[B->A broken=[C A] tok=B] C]"
507: * and finally "[A [B->A [C->B A] B] C]".
508: */
509: if (broken->pending) {
510: struct mdoc_node *taker;
511:
512: /*
513: * If the breaker had also been broken before,
514: * it cannot take on the outer breaker itself,
515: * but must hand it on to its own breakers.
516: * Graphically, this is the following situation:
517: * "[A [B breaker=[C->B B] broken=[D->A A] tok=C] D]"
518: * "[A taker=[B->A breaker=[C->B B] [D->C A] C] D]"
519: */
520: taker = breaker;
521: while (taker->pending)
522: taker = taker->pending;
523: taker->pending = broken->pending;
524: }
525: broken->pending = breaker;
1.94 schwarze 526: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse, line, ppos,
1.88 schwarze 527: "%s breaks %s", mdoc_macronames[tok],
528: mdoc_macronames[broken->tok]);
1.47 schwarze 529: return(1);
530: }
531:
532: /*
533: * Found no matching block for tok.
534: * Are you trying to close a block that is not open?
535: */
536: return(0);
537: }
538:
1.106 schwarze 539: static void
1.88 schwarze 540: rew_sub(enum mdoc_type t, struct mdoc *mdoc,
1.34 schwarze 541: enum mdoct tok, int line, int ppos)
1.1 kristaps 542: {
543: struct mdoc_node *n;
544:
1.76 schwarze 545: n = mdoc->last;
1.48 schwarze 546: while (n) {
547: switch (rew_dohalt(tok, t, n)) {
1.88 schwarze 548: case REWIND_NONE:
1.106 schwarze 549: return;
1.88 schwarze 550: case REWIND_THIS:
1.81 schwarze 551: n->lastline = line -
1.106 schwarze 552: (mdoc->flags & MDOC_NEWLINE &&
553: ! (mdoc_macros[tok].flags & MDOC_EXPLICIT));
1.48 schwarze 554: break;
1.88 schwarze 555: case REWIND_FORCE:
1.94 schwarze 556: mandoc_vmsg(MANDOCERR_BLK_BROKEN, mdoc->parse,
1.88 schwarze 557: line, ppos, "%s breaks %s",
558: mdoc_macronames[tok],
559: mdoc_macronames[n->tok]);
1.59 schwarze 560: /* FALLTHROUGH */
1.88 schwarze 561: case REWIND_MORE:
1.81 schwarze 562: n->lastline = line -
1.106 schwarze 563: (mdoc->flags & MDOC_NEWLINE ? 1 : 0);
1.48 schwarze 564: n = n->parent;
565: continue;
1.88 schwarze 566: case REWIND_LATER:
1.76 schwarze 567: if (make_pending(n, tok, mdoc, line, ppos) ||
1.106 schwarze 568: t != MDOC_BLOCK)
569: return;
1.59 schwarze 570: /* FALLTHROUGH */
1.88 schwarze 571: case REWIND_ERROR:
1.94 schwarze 572: mandoc_msg(MANDOCERR_BLK_NOTOPEN,
573: mdoc->parse, line, ppos,
574: mdoc_macronames[tok]);
1.106 schwarze 575: return;
1.22 schwarze 576: }
1.48 schwarze 577: break;
1.1 kristaps 578: }
579: assert(n);
1.105 schwarze 580: rew_last(mdoc, n);
1.29 schwarze 581:
582: /*
1.47 schwarze 583: * The current block extends an enclosing block.
584: * Now that the current block ends, close the enclosing block, too.
1.29 schwarze 585: */
1.106 schwarze 586: while ((n = n->pending) != NULL) {
1.105 schwarze 587: rew_last(mdoc, n);
1.106 schwarze 588: if (n->type == MDOC_HEAD)
589: mdoc_body_alloc(mdoc, n->line, n->pos, n->tok);
1.29 schwarze 590: }
1.1 kristaps 591: }
592:
1.66 schwarze 593: /*
594: * Allocate a word and check whether it's punctuation or not.
595: * Punctuation consists of those tokens found in mdoc_isdelim().
596: */
1.106 schwarze 597: static void
1.80 schwarze 598: dword(struct mdoc *mdoc, int line, int col, const char *p,
599: enum mdelim d, int may_append)
1.66 schwarze 600: {
1.88 schwarze 601:
1.106 schwarze 602: if (d == DELIM_MAX)
1.66 schwarze 603: d = mdoc_isdelim(p);
604:
1.80 schwarze 605: if (may_append &&
1.106 schwarze 606: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
607: d == DELIM_NONE && mdoc->last->type == MDOC_TEXT &&
608: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.80 schwarze 609: mdoc_word_append(mdoc, p);
1.106 schwarze 610: return;
1.80 schwarze 611: }
612:
1.106 schwarze 613: mdoc_word_alloc(mdoc, line, col, p);
1.66 schwarze 614:
1.71 schwarze 615: /*
1.100 schwarze 616: * If the word consists of a bare delimiter,
617: * flag the new node accordingly,
618: * unless doing so was vetoed by the invoking macro.
619: * Always clear the veto, it is only valid for one word.
1.71 schwarze 620: */
621:
1.100 schwarze 622: if (d == DELIM_OPEN)
623: mdoc->last->flags |= MDOC_DELIMO;
624: else if (d == DELIM_CLOSE &&
625: ! (mdoc->flags & MDOC_NODELIMC) &&
1.88 schwarze 626: mdoc->last->parent->tok != MDOC_Fd)
1.76 schwarze 627: mdoc->last->flags |= MDOC_DELIMC;
1.100 schwarze 628: mdoc->flags &= ~MDOC_NODELIMC;
1.66 schwarze 629: }
1.1 kristaps 630:
1.106 schwarze 631: static void
1.76 schwarze 632: append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)
1.1 kristaps 633: {
1.42 schwarze 634: int la;
1.36 schwarze 635: enum margserr ac;
1.1 kristaps 636: char *p;
637:
1.106 schwarze 638: if (buf[*pos] == '\0')
639: return;
1.1 kristaps 640:
641: for (;;) {
1.42 schwarze 642: la = *pos;
1.76 schwarze 643: ac = mdoc_zargs(mdoc, line, pos, buf, &p);
1.106 schwarze 644: if (ac == ARGS_EOLN)
1.1 kristaps 645: break;
1.80 schwarze 646: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.43 schwarze 647:
1.42 schwarze 648: /*
649: * If we encounter end-of-sentence symbols, then trigger
650: * the double-space.
651: *
1.68 schwarze 652: * XXX: it's easy to allow this to propagate outward to
1.42 schwarze 653: * the last symbol, such that `. )' will cause the
654: * correct double-spacing. However, (1) groff isn't
655: * smart enough to do this and (2) it would require
656: * knowing which symbols break this behaviour, for
1.68 schwarze 657: * example, `. ;' shouldn't propagate the double-space.
1.42 schwarze 658: */
1.106 schwarze 659:
1.84 schwarze 660: if (mandoc_eos(p, strlen(p)))
1.76 schwarze 661: mdoc->last->flags |= MDOC_EOS;
1.1 kristaps 662: }
663: }
664:
665: /*
1.88 schwarze 666: * Close out block partial/full explicit.
1.1 kristaps 667: */
1.107 ! schwarze 668: static void
1.1 kristaps 669: blk_exp_close(MACRO_PROT_ARGS)
670: {
1.47 schwarze 671: struct mdoc_node *body; /* Our own body. */
1.104 schwarze 672: struct mdoc_node *endbody; /* Our own end marker. */
1.47 schwarze 673: struct mdoc_node *later; /* A sub-block starting later. */
674: struct mdoc_node *n; /* For searching backwards. */
675:
1.88 schwarze 676: int j, lastarg, maxargs, flushed, nl;
1.36 schwarze 677: enum margserr ac;
1.47 schwarze 678: enum mdoct atok, ntok;
1.1 kristaps 679: char *p;
680:
1.76 schwarze 681: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 682:
1.1 kristaps 683: switch (tok) {
1.88 schwarze 684: case MDOC_Ec:
1.1 kristaps 685: maxargs = 1;
686: break;
1.88 schwarze 687: case MDOC_Ek:
1.82 schwarze 688: mdoc->flags &= ~MDOC_KEEP;
1.107 ! schwarze 689: /* FALLTHROUGH */
1.1 kristaps 690: default:
691: maxargs = 0;
692: break;
693: }
694:
1.47 schwarze 695: /*
696: * Search backwards for beginnings of blocks,
697: * both of our own and of pending sub-blocks.
698: */
1.107 ! schwarze 699:
1.47 schwarze 700: atok = rew_alt(tok);
1.104 schwarze 701: body = endbody = later = NULL;
1.76 schwarze 702: for (n = mdoc->last; n; n = n->parent) {
1.106 schwarze 703: if (n->flags & MDOC_VALID)
1.47 schwarze 704: continue;
705:
706: /* Remember the start of our own body. */
1.107 ! schwarze 707:
1.106 schwarze 708: if (n->type == MDOC_BODY && atok == n->tok) {
709: if (n->end == ENDBODY_NOT)
1.47 schwarze 710: body = n;
711: continue;
712: }
713:
1.106 schwarze 714: if (n->type != MDOC_BLOCK || n->tok == MDOC_Nm)
1.47 schwarze 715: continue;
716: if (atok == n->tok) {
717: assert(body);
718:
719: /*
720: * Found the start of our own block.
721: * When there is no pending sub block,
722: * just proceed to closing out.
723: */
1.107 ! schwarze 724:
1.106 schwarze 725: if (later == NULL)
1.47 schwarze 726: break;
727:
1.88 schwarze 728: /*
1.47 schwarze 729: * When there is a pending sub block,
730: * postpone closing out the current block
731: * until the rew_sub() closing out the sub-block.
732: */
1.107 ! schwarze 733:
1.76 schwarze 734: make_pending(later, tok, mdoc, line, ppos);
1.47 schwarze 735:
736: /*
737: * Mark the place where the formatting - but not
738: * the scope - of the current block ends.
739: */
1.107 ! schwarze 740:
1.106 schwarze 741: mdoc_endbody_alloc(mdoc, line, ppos,
742: atok, body, ENDBODY_SPACE);
1.107 ! schwarze 743:
! 744: /*
! 745: * If a block closing macro taking arguments
! 746: * breaks another block, put the arguments
! 747: * into the end marker and remeber the
! 748: * end marker in order to close it out.
! 749: */
! 750:
1.104 schwarze 751: if (maxargs) {
752: endbody = mdoc->last;
753: mdoc->next = MDOC_NEXT_CHILD;
754: }
1.47 schwarze 755: break;
756: }
757:
758: /*
759: * When finding an open sub block, remember the last
760: * open explicit block, or, in case there are only
761: * implicit ones, the first open implicit block.
762: */
1.107 ! schwarze 763:
1.47 schwarze 764: if (later &&
1.106 schwarze 765: mdoc_macros[later->tok].flags & MDOC_EXPLICIT)
1.47 schwarze 766: continue;
1.106 schwarze 767: if (n->tok != MDOC_It)
1.47 schwarze 768: later = n;
769: }
1.107 ! schwarze 770: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1.47 schwarze 771:
1.106 schwarze 772: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
773: if (buf[*pos] != '\0')
1.93 schwarze 774: mandoc_vmsg(MANDOCERR_ARG_SKIP,
775: mdoc->parse, line, ppos,
776: "%s %s", mdoc_macronames[tok],
777: buf + *pos);
1.106 schwarze 778: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
1.107 ! schwarze 779: return;
1.1 kristaps 780: }
781:
1.104 schwarze 782: if (maxargs && endbody == NULL) {
783: if (n == NULL) {
784: /*
785: * Stray .Ec without previous .Eo:
786: * Break the output line, ignore any arguments.
787: */
1.106 schwarze 788: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
1.105 schwarze 789: rew_elem(mdoc, MDOC_br);
1.106 schwarze 790: } else
791: mdoc_tail_alloc(mdoc, line, ppos, atok);
1.104 schwarze 792: }
1.1 kristaps 793:
1.104 schwarze 794: flushed = n == NULL;
795: for (j = 0; ; j++) {
1.1 kristaps 796: lastarg = *pos;
797:
798: if (j == maxargs && ! flushed) {
1.106 schwarze 799: if (endbody == NULL)
800: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
801: else
1.105 schwarze 802: rew_last(mdoc, endbody);
1.1 kristaps 803: flushed = 1;
804: }
805:
1.76 schwarze 806: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 807: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 808: break;
809:
1.106 schwarze 810: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
1.36 schwarze 811:
1.106 schwarze 812: if (ntok == MDOC_MAX) {
813: dword(mdoc, line, lastarg, p, DELIM_MAX,
814: MDOC_JOIN & mdoc_macros[tok].flags);
1.36 schwarze 815: continue;
816: }
1.1 kristaps 817:
1.36 schwarze 818: if ( ! flushed) {
1.106 schwarze 819: if (endbody == NULL)
820: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
821: else
1.105 schwarze 822: rew_last(mdoc, endbody);
1.36 schwarze 823: flushed = 1;
824: }
1.79 schwarze 825: mdoc->flags &= ~MDOC_NEWLINE;
1.107 ! schwarze 826: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.36 schwarze 827: break;
1.1 kristaps 828: }
829:
1.105 schwarze 830: if ( ! flushed) {
1.106 schwarze 831: if (endbody == NULL)
832: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
833: else
1.105 schwarze 834: rew_last(mdoc, endbody);
835: }
1.106 schwarze 836: if (nl)
837: append_delims(mdoc, line, pos, buf);
1.1 kristaps 838: }
839:
1.107 ! schwarze 840: static void
1.1 kristaps 841: in_line(MACRO_PROT_ARGS)
842: {
1.100 schwarze 843: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.36 schwarze 844: enum margverr av;
845: enum mdoct ntok;
846: enum margserr ac;
1.40 schwarze 847: enum mdelim d;
1.36 schwarze 848: struct mdoc_arg *arg;
849: char *p;
1.1 kristaps 850:
1.76 schwarze 851: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 852:
1.1 kristaps 853: /*
854: * Whether we allow ignored elements (those without content,
855: * usually because of reserved words) to squeak by.
856: */
1.32 schwarze 857:
1.1 kristaps 858: switch (tok) {
1.88 schwarze 859: case MDOC_An:
1.19 schwarze 860: /* FALLTHROUGH */
1.88 schwarze 861: case MDOC_Ar:
1.1 kristaps 862: /* FALLTHROUGH */
1.88 schwarze 863: case MDOC_Fl:
1.1 kristaps 864: /* FALLTHROUGH */
1.88 schwarze 865: case MDOC_Mt:
1.18 schwarze 866: /* FALLTHROUGH */
1.88 schwarze 867: case MDOC_Nm:
1.19 schwarze 868: /* FALLTHROUGH */
1.88 schwarze 869: case MDOC_Pa:
1.1 kristaps 870: nc = 1;
871: break;
872: default:
873: nc = 0;
874: break;
875: }
876:
1.20 schwarze 877: for (arg = NULL;; ) {
1.1 kristaps 878: la = *pos;
1.76 schwarze 879: av = mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.107 ! schwarze 880: if (av == ARGV_ARG)
! 881: continue;
! 882: if (av == ARGV_WORD)
1.1 kristaps 883: *pos = la;
1.107 ! schwarze 884: break;
1.1 kristaps 885: }
886:
1.100 schwarze 887: d = DELIM_NONE;
888: firstarg = 1;
1.98 schwarze 889: mayopen = 1;
1.45 schwarze 890: for (cnt = scope = 0;; ) {
1.1 kristaps 891: la = *pos;
1.76 schwarze 892: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 893:
1.100 schwarze 894: /*
895: * At the end of a macro line,
896: * opening delimiters do not suppress spacing.
897: */
898:
899: if (ac == ARGS_EOLN) {
900: if (d == DELIM_OPEN)
901: mdoc->last->flags &= ~MDOC_DELIMO;
1.1 kristaps 902: break;
1.100 schwarze 903: }
904:
905: /*
906: * The rest of the macro line is only punctuation,
907: * to be handled by append_delims().
908: * If there were no other arguments,
909: * do not allow the first one to suppress spacing,
910: * even if it turns out to be a closing one.
911: */
912:
913: if (ac == ARGS_PUNCT) {
914: if (cnt == 0 && nc == 0)
915: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 916: break;
1.100 schwarze 917: }
1.1 kristaps 918:
1.101 schwarze 919: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
920: MDOC_MAX : lookup(tok, p);
1.1 kristaps 921:
1.88 schwarze 922: /*
1.1 kristaps 923: * In this case, we've located a submacro and must
924: * execute it. Close out scope, if open. If no
925: * elements have been generated, either create one (nc)
926: * or raise a warning.
927: */
928:
1.106 schwarze 929: if (ntok != MDOC_MAX) {
1.105 schwarze 930: if (scope)
931: rew_elem(mdoc, tok);
1.106 schwarze 932: if (nc && ! cnt) {
933: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.105 schwarze 934: rew_last(mdoc, mdoc->last);
1.106 schwarze 935: } else if ( ! nc && ! cnt) {
1.1 kristaps 936: mdoc_argv_free(arg);
1.92 schwarze 937: mandoc_msg(MANDOCERR_MACRO_EMPTY,
938: mdoc->parse, line, ppos,
939: mdoc_macronames[tok]);
1.1 kristaps 940: }
1.107 ! schwarze 941: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.106 schwarze 942: if (nl)
943: append_delims(mdoc, line, pos, buf);
1.107 ! schwarze 944: return;
1.88 schwarze 945: }
1.1 kristaps 946:
1.88 schwarze 947: /*
1.1 kristaps 948: * Non-quote-enclosed punctuation. Set up our scope, if
949: * a word; rewind the scope, if a delimiter; then append
1.88 schwarze 950: * the word.
1.1 kristaps 951: */
952:
1.106 schwarze 953: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.1 kristaps 954:
1.45 schwarze 955: if (DELIM_NONE != d) {
956: /*
957: * If we encounter closing punctuation, no word
1.100 schwarze 958: * has been emitted, no scope is open, and we're
1.45 schwarze 959: * allowed to have an empty element, then start
1.98 schwarze 960: * a new scope.
1.45 schwarze 961: */
1.98 schwarze 962: if ((d == DELIM_CLOSE ||
963: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.100 schwarze 964: !cnt && !scope && nc && mayopen) {
1.106 schwarze 965: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 966: scope = 1;
1.98 schwarze 967: cnt++;
1.106 schwarze 968: if (tok == MDOC_Nm)
1.98 schwarze 969: mayopen = 0;
1.45 schwarze 970: }
971: /*
972: * Close out our scope, if one is open, before
973: * any punctuation.
974: */
1.105 schwarze 975: if (scope)
976: rew_elem(mdoc, tok);
1.45 schwarze 977: scope = 0;
1.101 schwarze 978: if (tok == MDOC_Fn)
979: mayopen = 0;
1.98 schwarze 980: } else if (mayopen && !scope) {
1.106 schwarze 981: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.45 schwarze 982: scope = 1;
1.98 schwarze 983: cnt++;
1.1 kristaps 984: }
1.66 schwarze 985:
1.106 schwarze 986: dword(mdoc, line, la, p, d,
987: MDOC_JOIN & mdoc_macros[tok].flags);
1.27 schwarze 988:
989: /*
1.100 schwarze 990: * If the first argument is a closing delimiter,
991: * do not suppress spacing before it.
992: */
993:
994: if (firstarg && d == DELIM_CLOSE && !nc)
995: mdoc->last->flags &= ~MDOC_DELIMC;
996: firstarg = 0;
997:
998: /*
1.27 schwarze 999: * `Fl' macros have their scope re-opened with each new
1000: * word so that the `-' can be added to each one without
1001: * having to parse out spaces.
1002: */
1.106 schwarze 1003: if (scope && tok == MDOC_Fl) {
1.105 schwarze 1004: rew_elem(mdoc, tok);
1.45 schwarze 1005: scope = 0;
1.27 schwarze 1006: }
1.1 kristaps 1007: }
1008:
1.105 schwarze 1009: if (scope)
1010: rew_elem(mdoc, tok);
1.1 kristaps 1011:
1012: /*
1013: * If no elements have been collected and we're allowed to have
1014: * empties (nc), open a scope and close it out. Otherwise,
1015: * raise a warning.
1016: */
1.32 schwarze 1017:
1.106 schwarze 1018: if ( ! cnt) {
1019: if (nc) {
1020: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1021: rew_last(mdoc, mdoc->last);
1022: } else {
1023: mdoc_argv_free(arg);
1024: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1025: line, ppos, mdoc_macronames[tok]);
1026: }
1.1 kristaps 1027: }
1.106 schwarze 1028: if (nl)
1029: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1030: }
1031:
1.107 ! schwarze 1032: static void
1.1 kristaps 1033: blk_full(MACRO_PROT_ARGS)
1034: {
1.73 schwarze 1035: int la, nl, nparsed;
1.1 kristaps 1036: struct mdoc_arg *arg;
1.32 schwarze 1037: struct mdoc_node *head; /* save of head macro */
1.34 schwarze 1038: struct mdoc_node *body; /* save of body macro */
1.32 schwarze 1039: struct mdoc_node *n;
1.36 schwarze 1040: enum mdoct ntok;
1.37 schwarze 1041: enum margserr ac, lac;
1.36 schwarze 1042: enum margverr av;
1.1 kristaps 1043: char *p;
1044:
1.76 schwarze 1045: nl = MDOC_NEWLINE & mdoc->flags;
1.95 schwarze 1046:
1047: /* Skip items outside lists. */
1048:
1049: if (tok == MDOC_It) {
1050: for (n = mdoc->last; n; n = n->parent)
1.97 schwarze 1051: if (n->tok == MDOC_Bl &&
1052: ! (n->flags & MDOC_VALID))
1.95 schwarze 1053: break;
1054: if (n == NULL) {
1055: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1056: line, ppos, "It %s", buf + *pos);
1.106 schwarze 1057: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
1.105 schwarze 1058: rew_elem(mdoc, MDOC_br);
1.107 ! schwarze 1059: return;
1.95 schwarze 1060: }
1061: }
1.43 schwarze 1062:
1.32 schwarze 1063: /* Close out prior implicit scope. */
1.12 schwarze 1064:
1.106 schwarze 1065: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
1066: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1067: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
1.1 kristaps 1068: }
1069:
1.32 schwarze 1070: /*
1.68 schwarze 1071: * This routine accommodates implicitly- and explicitly-scoped
1.32 schwarze 1072: * macro openings. Implicit ones first close out prior scope
1073: * (seen above). Delay opening the head until necessary to
1074: * allow leading punctuation to print. Special consideration
1075: * for `It -column', which has phrase-part syntax instead of
1076: * regular child nodes.
1077: */
1078:
1.1 kristaps 1079: for (arg = NULL;; ) {
1.32 schwarze 1080: la = *pos;
1.76 schwarze 1081: av = mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.107 ! schwarze 1082: if (av == ARGV_ARG)
! 1083: continue;
! 1084: if (av == ARGV_WORD)
1.32 schwarze 1085: *pos = la;
1.107 ! schwarze 1086: break;
1.1 kristaps 1087: }
1088:
1.106 schwarze 1089: mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.34 schwarze 1090: head = body = NULL;
1.1 kristaps 1091:
1.32 schwarze 1092: /*
1.73 schwarze 1093: * Exception: Heads of `It' macros in `-diag' lists are not
1094: * parsed, even though `It' macros in general are parsed.
1095: */
1.107 ! schwarze 1096:
1.106 schwarze 1097: nparsed = tok == MDOC_It &&
1098: mdoc->last->parent->tok == MDOC_Bl &&
1099: mdoc->last->parent->norm->Bl.type == LIST_diag;
1.73 schwarze 1100:
1101: /*
1.32 schwarze 1102: * The `Nd' macro has all arguments in its body: it's a hybrid
1103: * of block partial-explicit and full-implicit. Stupid.
1104: */
1.12 schwarze 1105:
1.106 schwarze 1106: if (tok == MDOC_Nd) {
1107: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1108: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1109: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.80 schwarze 1110: }
1111:
1.106 schwarze 1112: if (tok == MDOC_Bk)
1.80 schwarze 1113: mdoc->flags |= MDOC_KEEP;
1.12 schwarze 1114:
1.106 schwarze 1115: ac = ARGS_PEND;
1116: for (;;) {
1.32 schwarze 1117: la = *pos;
1.106 schwarze 1118: lac = ac;
1.76 schwarze 1119: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1120: if (ac == ARGS_PUNCT)
1.52 schwarze 1121: break;
1.106 schwarze 1122: if (ac == ARGS_EOLN) {
1123: if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
1.46 schwarze 1124: break;
1125: /*
1126: * This is necessary: if the last token on a
1127: * line is a `Ta' or tab, then we'll get
1128: * ARGS_EOLN, so we must be smart enough to
1129: * reopen our scope if the last parse was a
1130: * phrase or partial phrase.
1131: */
1.106 schwarze 1132: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1133: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1134: break;
1.41 schwarze 1135: }
1136:
1.88 schwarze 1137: /*
1.46 schwarze 1138: * Emit leading punctuation (i.e., punctuation before
1139: * the MDOC_HEAD) for non-phrase types.
1140: */
1.32 schwarze 1141:
1.106 schwarze 1142: if (head == NULL &&
1143: ac != ARGS_PEND &&
1144: ac != ARGS_PHRASE &&
1145: ac != ARGS_PPHRASE &&
1146: ac != ARGS_QWORD &&
1147: mdoc_isdelim(p) == DELIM_OPEN) {
1148: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1149: continue;
1150: }
1151:
1.46 schwarze 1152: /* Open a head if one hasn't been opened. */
1.32 schwarze 1153:
1.106 schwarze 1154: if (head == NULL)
1155: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1156:
1.106 schwarze 1157: if (ac == ARGS_PHRASE ||
1158: ac == ARGS_PEND ||
1159: ac == ARGS_PPHRASE) {
1.107 ! schwarze 1160:
1.46 schwarze 1161: /*
1162: * If we haven't opened a body yet, rewind the
1163: * head; if we have, rewind that instead.
1164: */
1165:
1.106 schwarze 1166: rew_sub(body ? MDOC_BODY : MDOC_HEAD,
1167: mdoc, tok, line, ppos);
1168: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1169:
1170: /*
1171: * Process phrases: set whether we're in a
1172: * partial-phrase (this effects line handling)
1173: * then call down into the phrase parser.
1174: */
1175:
1.106 schwarze 1176: if (ac == ARGS_PPHRASE)
1.76 schwarze 1177: mdoc->flags |= MDOC_PPHRASE;
1.106 schwarze 1178: if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
1.76 schwarze 1179: mdoc->flags |= MDOC_PPHRASE;
1.107 ! schwarze 1180: phrase(mdoc, line, la, buf);
1.76 schwarze 1181: mdoc->flags &= ~MDOC_PPHRASE;
1.1 kristaps 1182: continue;
1183: }
1184:
1.106 schwarze 1185: ntok = nparsed || ac == ARGS_QWORD ?
1.88 schwarze 1186: MDOC_MAX : lookup(tok, p);
1.36 schwarze 1187:
1.107 ! schwarze 1188: if (ntok != MDOC_MAX) {
! 1189: mdoc_macro(mdoc, ntok, line, la, pos, buf);
! 1190: break;
1.32 schwarze 1191: }
1.107 ! schwarze 1192: dword(mdoc, line, la, p, DELIM_MAX,
! 1193: MDOC_JOIN & mdoc_macros[tok].flags);
1.32 schwarze 1194: }
1.1 kristaps 1195:
1.106 schwarze 1196: if (head == NULL)
1197: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1198: if (nl)
1199: append_delims(mdoc, line, pos, buf);
1.107 ! schwarze 1200: if (body != NULL)
1.46 schwarze 1201: goto out;
1.29 schwarze 1202:
1203: /*
1.34 schwarze 1204: * If there is an open (i.e., unvalidated) sub-block requiring
1205: * explicit close-out, postpone switching the current block from
1206: * head to body until the rew_sub() call closing out that
1207: * sub-block.
1.29 schwarze 1208: */
1.76 schwarze 1209: for (n = mdoc->last; n && n != head; n = n->parent) {
1.107 ! schwarze 1210: if (n->type == MDOC_BLOCK &&
! 1211: mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
! 1212: ! (n->flags & MDOC_VALID)) {
1.29 schwarze 1213: n->pending = head;
1.107 ! schwarze 1214: return;
1.29 schwarze 1215: }
1216: }
1.54 schwarze 1217:
1.32 schwarze 1218: /* Close out scopes to remain in a consistent state. */
1.12 schwarze 1219:
1.106 schwarze 1220: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1221: mdoc_body_alloc(mdoc, line, ppos, tok);
1.46 schwarze 1222: out:
1.106 schwarze 1223: if (mdoc->flags & MDOC_FREECOL) {
1224: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1225: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
1226: mdoc->flags &= ~MDOC_FREECOL;
1227: }
1.1 kristaps 1228: }
1229:
1.107 ! schwarze 1230: static void
1.1 kristaps 1231: blk_part_imp(MACRO_PROT_ARGS)
1232: {
1.43 schwarze 1233: int la, nl;
1.36 schwarze 1234: enum mdoct ntok;
1235: enum margserr ac;
1.1 kristaps 1236: char *p;
1.32 schwarze 1237: struct mdoc_node *blk; /* saved block context */
1238: struct mdoc_node *body; /* saved body context */
1239: struct mdoc_node *n;
1.1 kristaps 1240:
1.76 schwarze 1241: nl = MDOC_NEWLINE & mdoc->flags;
1.43 schwarze 1242:
1.32 schwarze 1243: /*
1244: * A macro that spans to the end of the line. This is generally
1245: * (but not necessarily) called as the first macro. The block
1246: * has a head as the immediate child, which is always empty,
1247: * followed by zero or more opening punctuation nodes, then the
1248: * body (which may be empty, depending on the macro), then zero
1249: * or more closing punctuation nodes.
1250: */
1.22 schwarze 1251:
1.106 schwarze 1252: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1253: mdoc_head_alloc(mdoc, line, ppos, tok);
1254: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1.1 kristaps 1255:
1.32 schwarze 1256: /*
1257: * Open the body scope "on-demand", that is, after we've
1258: * processed all our the leading delimiters (open parenthesis,
1259: * etc.).
1260: */
1.1 kristaps 1261:
1.32 schwarze 1262: for (body = NULL; ; ) {
1.22 schwarze 1263: la = *pos;
1.76 schwarze 1264: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1265: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1266: break;
1267:
1.106 schwarze 1268: if (body == NULL && ac != ARGS_QWORD &&
1269: mdoc_isdelim(p) == DELIM_OPEN) {
1270: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1271: continue;
1.80 schwarze 1272: }
1.1 kristaps 1273:
1.106 schwarze 1274: if (body == NULL)
1275: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.32 schwarze 1276:
1.106 schwarze 1277: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
1.36 schwarze 1278:
1.107 ! schwarze 1279: if (ntok != MDOC_MAX) {
! 1280: mdoc_macro(mdoc, ntok, line, la, pos, buf);
! 1281: break;
1.36 schwarze 1282: }
1.107 ! schwarze 1283: dword(mdoc, line, la, p, DELIM_MAX,
! 1284: MDOC_JOIN & mdoc_macros[tok].flags);
1.32 schwarze 1285: }
1.106 schwarze 1286: if (body == NULL)
1287: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1288:
1.47 schwarze 1289: /*
1290: * If there is an open sub-block requiring explicit close-out,
1291: * postpone closing out the current block
1292: * until the rew_sub() call closing out the sub-block.
1293: */
1.107 ! schwarze 1294:
1.76 schwarze 1295: for (n = mdoc->last; n && n != body && n != blk->parent;
1.88 schwarze 1296: n = n->parent) {
1.106 schwarze 1297: if (n->type == MDOC_BLOCK &&
1298: mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
1299: ! (n->flags & MDOC_VALID)) {
1.76 schwarze 1300: make_pending(n, tok, mdoc, line, ppos);
1.106 schwarze 1301: mdoc_endbody_alloc(mdoc, line, ppos,
1302: tok, body, ENDBODY_NOSPACE);
1.107 ! schwarze 1303: return;
1.47 schwarze 1304: }
1305: }
1.91 schwarze 1306: assert(n == body);
1.106 schwarze 1307: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1308: if (nl)
1309: append_delims(mdoc, line, pos, buf);
1310: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
1.74 schwarze 1311:
1312: /* Move trailing .Ns out of scope. */
1313:
1314: for (n = body->child; n && n->next; n = n->next)
1315: /* Do nothing. */ ;
1.106 schwarze 1316: if (n && n->tok == MDOC_Ns)
1.76 schwarze 1317: mdoc_node_relink(mdoc, n);
1.1 kristaps 1318: }
1319:
1.107 ! schwarze 1320: static void
1.1 kristaps 1321: blk_part_exp(MACRO_PROT_ARGS)
1322: {
1.37 schwarze 1323: int la, nl;
1.36 schwarze 1324: enum margserr ac;
1.32 schwarze 1325: struct mdoc_node *head; /* keep track of head */
1326: struct mdoc_node *body; /* keep track of body */
1.1 kristaps 1327: char *p;
1.36 schwarze 1328: enum mdoct ntok;
1.1 kristaps 1329:
1.76 schwarze 1330: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 1331:
1.32 schwarze 1332: /*
1333: * The opening of an explicit macro having zero or more leading
1334: * punctuation nodes; a head with optional single element (the
1335: * case of `Eo'); and a body that may be empty.
1336: */
1.22 schwarze 1337:
1.106 schwarze 1338: mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.32 schwarze 1339: for (head = body = NULL; ; ) {
1.22 schwarze 1340: la = *pos;
1.76 schwarze 1341: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1342: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1343: break;
1344:
1.32 schwarze 1345: /* Flush out leading punctuation. */
1346:
1.106 schwarze 1347: if (head == NULL && ac != ARGS_QWORD &&
1348: mdoc_isdelim(p) == DELIM_OPEN) {
1.32 schwarze 1349: assert(NULL == body);
1.106 schwarze 1350: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1351: continue;
1.80 schwarze 1352: }
1.32 schwarze 1353:
1.106 schwarze 1354: if (head == NULL) {
1355: assert(body == NULL);
1356: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1357: }
1358:
1.32 schwarze 1359: /*
1360: * `Eo' gobbles any data into the head, but most other
1361: * macros just immediately close out and begin the body.
1362: */
1363:
1.106 schwarze 1364: if (body == NULL) {
1.32 schwarze 1365: assert(head);
1366: /* No check whether it's a macro! */
1.106 schwarze 1367: if (tok == MDOC_Eo)
1368: dword(mdoc, line, la, p, DELIM_MAX, 0);
1369: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1370: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1371: if (tok == MDOC_Eo)
1.32 schwarze 1372: continue;
1373: }
1.106 schwarze 1374: assert(head != NULL && body != NULL);
1.32 schwarze 1375:
1.106 schwarze 1376: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
1.107 ! schwarze 1377: if (ntok != MDOC_MAX) {
! 1378: mdoc_macro(mdoc, ntok, line, la, pos, buf);
! 1379: break;
1.1 kristaps 1380: }
1.107 ! schwarze 1381: dword(mdoc, line, la, p, DELIM_MAX,
! 1382: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1383: }
1384:
1.32 schwarze 1385: /* Clean-up to leave in a consistent state. */
1386:
1.106 schwarze 1387: if (head == NULL)
1388: mdoc_head_alloc(mdoc, line, ppos, tok);
1.22 schwarze 1389:
1.106 schwarze 1390: if (body == NULL) {
1391: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1392: mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1393: }
1.106 schwarze 1394: if (nl)
1395: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1396: }
1397:
1.107 ! schwarze 1398: static void
1.1 kristaps 1399: in_line_argn(MACRO_PROT_ARGS)
1400: {
1.37 schwarze 1401: int la, flushed, j, maxargs, nl;
1.36 schwarze 1402: enum margserr ac;
1403: enum margverr av;
1404: struct mdoc_arg *arg;
1405: char *p;
1406: enum mdoct ntok;
1.1 kristaps 1407:
1.76 schwarze 1408: nl = MDOC_NEWLINE & mdoc->flags;
1.37 schwarze 1409:
1.32 schwarze 1410: /*
1411: * A line macro that has a fixed number of arguments (maxargs).
1412: * Only open the scope once the first non-leading-punctuation is
1413: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1414: * keep it open until the maximum number of arguments are
1415: * exhausted.
1416: */
1.1 kristaps 1417:
1418: switch (tok) {
1.88 schwarze 1419: case MDOC_Ap:
1.1 kristaps 1420: /* FALLTHROUGH */
1.88 schwarze 1421: case MDOC_Ns:
1.1 kristaps 1422: /* FALLTHROUGH */
1.88 schwarze 1423: case MDOC_Ux:
1.1 kristaps 1424: maxargs = 0;
1425: break;
1.88 schwarze 1426: case MDOC_Bx:
1.64 schwarze 1427: /* FALLTHROUGH */
1.89 schwarze 1428: case MDOC_Es:
1429: /* FALLTHROUGH */
1.88 schwarze 1430: case MDOC_Xr:
1.28 schwarze 1431: maxargs = 2;
1432: break;
1.1 kristaps 1433: default:
1434: maxargs = 1;
1435: break;
1436: }
1437:
1.32 schwarze 1438: for (arg = NULL; ; ) {
1.22 schwarze 1439: la = *pos;
1.76 schwarze 1440: av = mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.107 ! schwarze 1441: if (av == ARGV_ARG)
! 1442: continue;
! 1443: if (av == ARGV_WORD)
1.22 schwarze 1444: *pos = la;
1.107 ! schwarze 1445: break;
1.1 kristaps 1446: }
1447:
1.32 schwarze 1448: for (flushed = j = 0; ; ) {
1.22 schwarze 1449: la = *pos;
1.76 schwarze 1450: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1451: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1452: break;
1453:
1.106 schwarze 1454: if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1455: ac != ARGS_QWORD && j == 0 &&
1456: mdoc_isdelim(p) == DELIM_OPEN) {
1457: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.32 schwarze 1458: continue;
1.106 schwarze 1459: } else if (j == 0)
1460: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.32 schwarze 1461:
1462: if (j == maxargs && ! flushed) {
1.105 schwarze 1463: rew_elem(mdoc, tok);
1.32 schwarze 1464: flushed = 1;
1465: }
1466:
1.106 schwarze 1467: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
1.36 schwarze 1468:
1.106 schwarze 1469: if (ntok != MDOC_MAX) {
1.105 schwarze 1470: if ( ! flushed)
1471: rew_elem(mdoc, tok);
1.1 kristaps 1472: flushed = 1;
1.107 ! schwarze 1473: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.32 schwarze 1474: j++;
1.1 kristaps 1475: break;
1476: }
1477:
1.106 schwarze 1478: if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1479: ac != ARGS_QWORD && ! flushed &&
1480: mdoc_isdelim(p) != DELIM_NONE) {
1.105 schwarze 1481: rew_elem(mdoc, tok);
1.1 kristaps 1482: flushed = 1;
1.28 schwarze 1483: }
1484:
1.106 schwarze 1485: dword(mdoc, line, la, p, DELIM_MAX,
1486: MDOC_JOIN & mdoc_macros[tok].flags);
1.32 schwarze 1487: j++;
1.1 kristaps 1488: }
1489:
1.106 schwarze 1490: if (j == 0)
1491: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.105 schwarze 1492: if ( ! flushed)
1493: rew_elem(mdoc, tok);
1.106 schwarze 1494: if (nl)
1495: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1496: }
1497:
1.107 ! schwarze 1498: static void
1.1 kristaps 1499: in_line_eoln(MACRO_PROT_ARGS)
1500: {
1.36 schwarze 1501: int la;
1502: enum margserr ac;
1503: enum margverr av;
1504: struct mdoc_arg *arg;
1505: char *p;
1506: enum mdoct ntok;
1.1 kristaps 1507:
1508: assert( ! (MDOC_PARSED & mdoc_macros[tok].flags));
1509:
1.53 schwarze 1510: if (tok == MDOC_Pp)
1.76 schwarze 1511: rew_sub(MDOC_BLOCK, mdoc, MDOC_Nm, line, ppos);
1.53 schwarze 1512:
1.22 schwarze 1513: /* Parse macro arguments. */
1.1 kristaps 1514:
1.22 schwarze 1515: for (arg = NULL; ; ) {
1.1 kristaps 1516: la = *pos;
1.76 schwarze 1517: av = mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.107 ! schwarze 1518: if (av == ARGV_ARG)
! 1519: continue;
! 1520: if (av == ARGV_WORD)
1.1 kristaps 1521: *pos = la;
1.107 ! schwarze 1522: break;
1.1 kristaps 1523: }
1524:
1.22 schwarze 1525: /* Open element scope. */
1526:
1.106 schwarze 1527: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.1 kristaps 1528:
1.22 schwarze 1529: /* Parse argument terms. */
1.1 kristaps 1530:
1531: for (;;) {
1532: la = *pos;
1.76 schwarze 1533: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.106 schwarze 1534: if (ac == ARGS_EOLN)
1.1 kristaps 1535: break;
1536:
1.106 schwarze 1537: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
1.1 kristaps 1538:
1.107 ! schwarze 1539: if (ntok != MDOC_MAX) {
! 1540: rew_elem(mdoc, tok);
! 1541: mdoc_macro(mdoc, ntok, line, la, pos, buf);
! 1542: return;
1.36 schwarze 1543: }
1.107 ! schwarze 1544: dword(mdoc, line, la, p, DELIM_MAX,
! 1545: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1546: }
1547:
1.22 schwarze 1548: /* Close out (no delimiters). */
1549:
1.105 schwarze 1550: rew_elem(mdoc, tok);
1.28 schwarze 1551: }
1552:
1.107 ! schwarze 1553: static void
1.28 schwarze 1554: ctx_synopsis(MACRO_PROT_ARGS)
1555: {
1.37 schwarze 1556:
1.107 ! schwarze 1557: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
! 1558: in_line(mdoc, tok, line, ppos, pos, buf);
! 1559: else if (tok == MDOC_Nm)
! 1560: blk_full(mdoc, tok, line, ppos, pos, buf);
! 1561: else {
! 1562: assert(tok == MDOC_Vt);
! 1563: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
! 1564: }
1.1 kristaps 1565: }
1566:
1.17 schwarze 1567: /*
1568: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1569: * They're unusual because they're basically free-form text until a
1570: * macro is encountered.
1571: */
1.107 ! schwarze 1572: static void
1.76 schwarze 1573: phrase(struct mdoc *mdoc, int line, int ppos, char *buf)
1.1 kristaps 1574: {
1.36 schwarze 1575: int la, pos;
1.46 schwarze 1576: enum margserr ac;
1.36 schwarze 1577: enum mdoct ntok;
1578: char *p;
1.1 kristaps 1579:
1.17 schwarze 1580: for (pos = ppos; ; ) {
1581: la = pos;
1.1 kristaps 1582:
1.76 schwarze 1583: ac = mdoc_zargs(mdoc, line, &pos, buf, &p);
1.106 schwarze 1584: if (ac == ARGS_EOLN)
1.17 schwarze 1585: break;
1.1 kristaps 1586:
1.106 schwarze 1587: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup_raw(p);
1.1 kristaps 1588:
1.107 ! schwarze 1589: if (ntok != MDOC_MAX) {
! 1590: mdoc_macro(mdoc, ntok, line, la, &pos, buf);
! 1591: append_delims(mdoc, line, &pos, buf);
! 1592: return;
1.36 schwarze 1593: }
1.107 ! schwarze 1594: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.1 kristaps 1595: }
1596: }
1.17 schwarze 1597:
1.107 ! schwarze 1598: static void
1.46 schwarze 1599: phrase_ta(MACRO_PROT_ARGS)
1600: {
1.78 schwarze 1601: struct mdoc_node *n;
1.46 schwarze 1602: int la;
1603: enum mdoct ntok;
1604: enum margserr ac;
1605: char *p;
1606:
1.78 schwarze 1607: /* Make sure we are in a column list or ignore this macro. */
1.107 ! schwarze 1608:
1.78 schwarze 1609: n = mdoc->last;
1.107 ! schwarze 1610: while (n != NULL && n->tok != MDOC_Bl)
1.78 schwarze 1611: n = n->parent;
1.107 ! schwarze 1612: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.94 schwarze 1613: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.96 schwarze 1614: line, ppos, "Ta");
1.107 ! schwarze 1615: return;
1.78 schwarze 1616: }
1.46 schwarze 1617:
1.78 schwarze 1618: /* Advance to the next column. */
1.106 schwarze 1619:
1620: rew_sub(MDOC_BODY, mdoc, MDOC_It, line, ppos);
1621: mdoc_body_alloc(mdoc, line, ppos, MDOC_It);
1.46 schwarze 1622:
1623: for (;;) {
1624: la = *pos;
1.76 schwarze 1625: ac = mdoc_zargs(mdoc, line, pos, buf, &p);
1.106 schwarze 1626: if (ac == ARGS_EOLN)
1.46 schwarze 1627: break;
1628:
1.106 schwarze 1629: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup_raw(p);
1.46 schwarze 1630:
1.107 ! schwarze 1631: if (ntok != MDOC_MAX) {
! 1632: mdoc_macro(mdoc, ntok, line, la, pos, buf);
! 1633: append_delims(mdoc, line, pos, buf);
! 1634: return;
1.46 schwarze 1635: }
1.107 ! schwarze 1636: dword(mdoc, line, la, p, DELIM_MAX,
! 1637: MDOC_JOIN & mdoc_macros[tok].flags);
1.46 schwarze 1638: }
1639: }
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