Annotation of mandoc/mdoc_macro.c, Revision 1.151
1.151 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.150 2014/11/28 03:14:18 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.143 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
1.8 kristaps 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.8 kristaps 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
1.40 kristaps 18: #include "config.h"
1.140 schwarze 19:
20: #include <sys/types.h>
1.40 kristaps 21:
1.1 kristaps 22: #include <assert.h>
23: #include <ctype.h>
24: #include <stdlib.h>
25: #include <stdio.h>
26: #include <string.h>
1.38 kristaps 27: #include <time.h>
1.1 kristaps 28:
1.106 kristaps 29: #include "mdoc.h"
1.68 kristaps 30: #include "mandoc.h"
1.1 kristaps 31: #include "libmdoc.h"
1.64 kristaps 32: #include "libmandoc.h"
1.1 kristaps 33:
1.84 schwarze 34: enum rew { /* see rew_dohalt() */
35: REWIND_NONE,
36: REWIND_THIS,
37: REWIND_MORE,
1.98 kristaps 38: REWIND_FORCE,
1.84 schwarze 39: REWIND_LATER,
1.91 kristaps 40: REWIND_ERROR
1.51 kristaps 41: };
1.1 kristaps 42:
1.151 ! schwarze 43: static void blk_full(MACRO_PROT_ARGS);
! 44: static void blk_exp_close(MACRO_PROT_ARGS);
! 45: static void blk_part_exp(MACRO_PROT_ARGS);
! 46: static void blk_part_imp(MACRO_PROT_ARGS);
! 47: static void ctx_synopsis(MACRO_PROT_ARGS);
! 48: static void in_line_eoln(MACRO_PROT_ARGS);
! 49: static void in_line_argn(MACRO_PROT_ARGS);
! 50: static void in_line(MACRO_PROT_ARGS);
! 51: static void phrase_ta(MACRO_PROT_ARGS);
1.53 kristaps 52:
1.150 schwarze 53: static void dword(struct mdoc *, int, int, const char *,
1.123 schwarze 54: enum mdelim, int);
1.150 schwarze 55: static void append_delims(struct mdoc *, int, int *, char *);
1.58 kristaps 56: static enum mdoct lookup(enum mdoct, const char *);
1.53 kristaps 57: static enum mdoct lookup_raw(const char *);
1.85 schwarze 58: static int make_pending(struct mdoc_node *, enum mdoct,
1.83 schwarze 59: struct mdoc *, int, int);
1.151 ! schwarze 60: static void phrase(struct mdoc *, int, int, char *);
1.131 schwarze 61: static enum mdoct rew_alt(enum mdoct);
62: static enum rew rew_dohalt(enum mdoct, enum mdoc_type,
1.53 kristaps 63: const struct mdoc_node *);
1.149 schwarze 64: static void rew_elem(struct mdoc *, enum mdoct);
65: static void rew_last(struct mdoc *, const struct mdoc_node *);
1.150 schwarze 66: static void rew_sub(enum mdoc_type, struct mdoc *,
1.53 kristaps 67: enum mdoct, int, int);
1.1 kristaps 68:
69: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
1.123 schwarze 70: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
1.1 kristaps 71: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
72: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
73: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.123 schwarze 74: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
75: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
76: { in_line_eoln, 0 }, /* Pp */
77: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
78: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 79: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.123 schwarze 80: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 81: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.123 schwarze 82: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
83: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
85: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.1 kristaps 86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.129 schwarze 87: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.123 schwarze 89: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
90: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
91: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 92: { in_line_eoln, 0 }, /* Ex */
1.123 schwarze 93: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
94: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 95: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.123 schwarze 96: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
97: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.128 schwarze 98: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.18 kristaps 99: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.123 schwarze 100: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
101: { blk_full, MDOC_JOIN }, /* Nd */
102: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 103: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.132 schwarze 104: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 105: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
106: { in_line_eoln, 0 }, /* Rv */
1.123 schwarze 107: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 108: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.123 schwarze 109: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.42 kristaps 110: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.123 schwarze 111: { in_line_eoln, MDOC_JOIN }, /* %A */
112: { in_line_eoln, MDOC_JOIN }, /* %B */
113: { in_line_eoln, MDOC_JOIN }, /* %D */
114: { in_line_eoln, MDOC_JOIN }, /* %I */
115: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 116: { in_line_eoln, 0 }, /* %N */
1.123 schwarze 117: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 118: { in_line_eoln, 0 }, /* %P */
1.123 schwarze 119: { in_line_eoln, MDOC_JOIN }, /* %R */
120: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 121: { in_line_eoln, 0 }, /* %V */
1.123 schwarze 122: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
123: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
124: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
125: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
126: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 127: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.123 schwarze 128: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
129: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
130: { blk_full, MDOC_EXPLICIT }, /* Bf */
131: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
132: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
133: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 134: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
135: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
136: { in_line_eoln, 0 }, /* Db */
1.123 schwarze 137: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
138: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
139: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
140: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
141: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
142: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
143: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
144: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 145: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
146: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.11 kristaps 147: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.144 schwarze 148: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.123 schwarze 149: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
150: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 151: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
152: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.123 schwarze 153: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
154: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.52 kristaps 155: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.123 schwarze 156: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
157: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
158: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
159: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
160: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
161: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
162: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
163: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
164: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
165: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 166: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.123 schwarze 167: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
168: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
169: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
170: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
171: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.147 schwarze 172: { in_line_argn, 0 }, /* Sm */
1.123 schwarze 173: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
174: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 175: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.123 schwarze 176: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 177: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
178: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.123 schwarze 179: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
180: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
181: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
182: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
183: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
184: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
185: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 186: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.123 schwarze 187: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 188: { in_line_eoln, 0 }, /* Bt */
189: { in_line_eoln, 0 }, /* Hf */
1.132 schwarze 190: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 191: { in_line_eoln, 0 }, /* Ud */
1.69 kristaps 192: { in_line, 0 }, /* Lb */
1.123 schwarze 193: { in_line_eoln, 0 }, /* Lp */
194: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
195: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
196: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
197: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
198: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
199: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
200: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
201: { in_line_eoln, MDOC_JOIN }, /* %C */
1.132 schwarze 202: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
203: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 204: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.123 schwarze 205: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.20 kristaps 206: { in_line_eoln, 0 }, /* br */
207: { in_line_eoln, 0 }, /* sp */
1.37 kristaps 208: { in_line_eoln, 0 }, /* %U */
1.123 schwarze 209: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.143 schwarze 210: { in_line_eoln, MDOC_PROLOGUE }, /* ll */
1.1 kristaps 211: };
212:
213: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
214:
215:
216: /*
217: * This is called at the end of parsing. It must traverse up the tree,
218: * closing out open [implicit] scopes. Obviously, open explicit scopes
219: * are errors.
220: */
1.151 ! schwarze 221: void
1.119 schwarze 222: mdoc_macroend(struct mdoc *mdoc)
1.1 kristaps 223: {
224: struct mdoc_node *n;
225:
226: /* Scan for open explicit scopes. */
227:
1.151 ! schwarze 228: n = mdoc->last->flags & MDOC_VALID ?
1.131 schwarze 229: mdoc->last->parent : mdoc->last;
1.1 kristaps 230:
1.94 schwarze 231: for ( ; n; n = n->parent)
1.151 ! schwarze 232: if (n->type == MDOC_BLOCK &&
! 233: mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
1.137 schwarze 234: mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
235: n->line, n->pos, mdoc_macronames[n->tok]);
1.1 kristaps 236:
1.32 kristaps 237: /* Rewind to the first. */
238:
1.149 schwarze 239: rew_last(mdoc, mdoc->first);
1.1 kristaps 240: }
241:
1.32 kristaps 242: /*
243: * Look up a macro from within a subsequent context.
244: */
1.53 kristaps 245: static enum mdoct
1.58 kristaps 246: lookup(enum mdoct from, const char *p)
1.28 kristaps 247: {
248:
249: if ( ! (MDOC_PARSED & mdoc_macros[from].flags))
250: return(MDOC_MAX);
1.35 kristaps 251: return(lookup_raw(p));
1.28 kristaps 252: }
253:
1.32 kristaps 254: /*
255: * Lookup a macro following the initial line macro.
256: */
1.53 kristaps 257: static enum mdoct
1.35 kristaps 258: lookup_raw(const char *p)
1.1 kristaps 259: {
1.58 kristaps 260: enum mdoct res;
1.1 kristaps 261:
1.34 kristaps 262: if (MDOC_MAX == (res = mdoc_hash_find(p)))
1.28 kristaps 263: return(MDOC_MAX);
264: if (MDOC_CALLABLE & mdoc_macros[res].flags)
1.1 kristaps 265: return(res);
266: return(MDOC_MAX);
267: }
268:
1.149 schwarze 269: static void
1.32 kristaps 270: rew_last(struct mdoc *mdoc, const struct mdoc_node *to)
1.1 kristaps 271: {
1.100 kristaps 272: struct mdoc_node *n, *np;
1.1 kristaps 273:
274: assert(to);
275: mdoc->next = MDOC_NEXT_SIBLING;
276: while (mdoc->last != to) {
1.100 kristaps 277: /*
278: * Save the parent here, because we may delete the
1.119 schwarze 279: * mdoc->last node in the post-validation phase and reset
280: * it to mdoc->last->parent, causing a step in the closing
1.100 kristaps 281: * out to be lost.
282: */
283: np = mdoc->last->parent;
1.149 schwarze 284: mdoc_valid_post(mdoc);
1.99 kristaps 285: n = mdoc->last;
1.100 kristaps 286: mdoc->last = np;
1.1 kristaps 287: assert(mdoc->last);
1.99 kristaps 288: mdoc->last->last = n;
1.1 kristaps 289: }
1.149 schwarze 290: mdoc_valid_post(mdoc);
1.1 kristaps 291: }
292:
1.32 kristaps 293: /*
1.84 schwarze 294: * For a block closing macro, return the corresponding opening one.
295: * Otherwise, return the macro itself.
1.32 kristaps 296: */
1.47 kristaps 297: static enum mdoct
298: rew_alt(enum mdoct tok)
1.1 kristaps 299: {
300: switch (tok) {
1.131 schwarze 301: case MDOC_Ac:
1.1 kristaps 302: return(MDOC_Ao);
1.131 schwarze 303: case MDOC_Bc:
1.1 kristaps 304: return(MDOC_Bo);
1.131 schwarze 305: case MDOC_Brc:
1.1 kristaps 306: return(MDOC_Bro);
1.131 schwarze 307: case MDOC_Dc:
1.1 kristaps 308: return(MDOC_Do);
1.131 schwarze 309: case MDOC_Ec:
1.1 kristaps 310: return(MDOC_Eo);
1.131 schwarze 311: case MDOC_Ed:
1.1 kristaps 312: return(MDOC_Bd);
1.131 schwarze 313: case MDOC_Ef:
1.1 kristaps 314: return(MDOC_Bf);
1.131 schwarze 315: case MDOC_Ek:
1.1 kristaps 316: return(MDOC_Bk);
1.131 schwarze 317: case MDOC_El:
1.1 kristaps 318: return(MDOC_Bl);
1.131 schwarze 319: case MDOC_Fc:
1.1 kristaps 320: return(MDOC_Fo);
1.131 schwarze 321: case MDOC_Oc:
1.1 kristaps 322: return(MDOC_Oo);
1.131 schwarze 323: case MDOC_Pc:
1.1 kristaps 324: return(MDOC_Po);
1.131 schwarze 325: case MDOC_Qc:
1.1 kristaps 326: return(MDOC_Qo);
1.131 schwarze 327: case MDOC_Re:
1.1 kristaps 328: return(MDOC_Rs);
1.131 schwarze 329: case MDOC_Sc:
1.1 kristaps 330: return(MDOC_So);
1.131 schwarze 331: case MDOC_Xc:
1.1 kristaps 332: return(MDOC_Xo);
333: default:
1.84 schwarze 334: return(tok);
1.1 kristaps 335: }
336: /* NOTREACHED */
337: }
338:
1.84 schwarze 339: /*
340: * Rewinding to tok, how do we have to handle *p?
341: * REWIND_NONE: *p would delimit tok, but no tok scope is open
342: * inside *p, so there is no need to rewind anything at all.
343: * REWIND_THIS: *p matches tok, so rewind *p and nothing else.
344: * REWIND_MORE: *p is implicit, rewind it and keep searching for tok.
1.98 kristaps 345: * REWIND_FORCE: *p is explicit, but tok is full, force rewinding *p.
1.84 schwarze 346: * REWIND_LATER: *p is explicit and still open, postpone rewinding.
347: * REWIND_ERROR: No tok block is open at all.
1.1 kristaps 348: */
1.51 kristaps 349: static enum rew
1.131 schwarze 350: rew_dohalt(enum mdoct tok, enum mdoc_type type,
1.47 kristaps 351: const struct mdoc_node *p)
1.1 kristaps 352: {
353:
1.86 schwarze 354: /*
355: * No matching token, no delimiting block, no broken block.
356: * This can happen when full implicit macros are called for
357: * the first time but try to rewind their previous
358: * instance anyway.
359: */
1.1 kristaps 360: if (MDOC_ROOT == p->type)
1.84 schwarze 361: return(MDOC_BLOCK == type &&
362: MDOC_EXPLICIT & mdoc_macros[tok].flags ?
363: REWIND_ERROR : REWIND_NONE);
1.86 schwarze 364:
365: /*
1.131 schwarze 366: * When starting to rewind, skip plain text
1.86 schwarze 367: * and nodes that have already been rewound.
368: */
1.84 schwarze 369: if (MDOC_TEXT == p->type || MDOC_VALID & p->flags)
370: return(REWIND_MORE);
371:
1.86 schwarze 372: /*
373: * The easiest case: Found a matching token.
374: * This applies to both blocks and elements.
375: */
1.84 schwarze 376: tok = rew_alt(tok);
377: if (tok == p->tok)
378: return(p->end ? REWIND_NONE :
379: type == p->type ? REWIND_THIS : REWIND_MORE);
380:
1.86 schwarze 381: /*
382: * While elements do require rewinding for themselves,
383: * they never affect rewinding of other nodes.
384: */
1.84 schwarze 385: if (MDOC_ELEM == p->type)
386: return(REWIND_MORE);
1.1 kristaps 387:
1.86 schwarze 388: /*
389: * Blocks delimited by our target token get REWIND_MORE.
1.131 schwarze 390: * Blocks delimiting our target token get REWIND_NONE.
1.86 schwarze 391: */
1.1 kristaps 392: switch (tok) {
1.131 schwarze 393: case MDOC_Bl:
1.84 schwarze 394: if (MDOC_It == p->tok)
395: return(REWIND_MORE);
1.1 kristaps 396: break;
1.131 schwarze 397: case MDOC_It:
1.1 kristaps 398: if (MDOC_BODY == p->type && MDOC_Bl == p->tok)
1.84 schwarze 399: return(REWIND_NONE);
1.1 kristaps 400: break;
1.84 schwarze 401: /*
402: * XXX Badly nested block handling still fails badly
403: * when one block is breaking two blocks of the same type.
404: * This is an incomplete and extremely ugly workaround,
405: * required to let the OpenBSD tree build.
406: */
1.131 schwarze 407: case MDOC_Oo:
1.84 schwarze 408: if (MDOC_Op == p->tok)
409: return(REWIND_MORE);
1.1 kristaps 410: break;
1.131 schwarze 411: case MDOC_Nm:
1.88 schwarze 412: return(REWIND_NONE);
1.131 schwarze 413: case MDOC_Nd:
1.19 kristaps 414: /* FALLTHROUGH */
1.131 schwarze 415: case MDOC_Ss:
1.1 kristaps 416: if (MDOC_BODY == p->type && MDOC_Sh == p->tok)
1.84 schwarze 417: return(REWIND_NONE);
1.1 kristaps 418: /* FALLTHROUGH */
1.131 schwarze 419: case MDOC_Sh:
1.138 schwarze 420: if (MDOC_ROOT == p->parent->type)
421: return(REWIND_THIS);
1.84 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:
1.86 schwarze 430: /*
431: * Default block rewinding rules.
1.88 schwarze 432: * In particular, always skip block end markers,
433: * and let all blocks rewind Nm children.
1.146 schwarze 434: * Do not warn again when closing a block,
435: * since closing the body already warned.
1.86 schwarze 436: */
1.88 schwarze 437: if (ENDBODY_NOT != p->end || MDOC_Nm == p->tok ||
1.146 schwarze 438: MDOC_BLOCK == type || (MDOC_BLOCK == p->type &&
1.86 schwarze 439: ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)))
440: return(REWIND_MORE);
441:
442: /*
1.98 kristaps 443: * By default, closing out full blocks
444: * forces closing of broken explicit blocks,
445: * while closing out partial blocks
446: * allows delayed rewinding by default.
1.86 schwarze 447: */
1.98 kristaps 448: return (&blk_full == mdoc_macros[tok].fp ?
449: REWIND_FORCE : REWIND_LATER);
1.1 kristaps 450: }
451:
1.149 schwarze 452: static void
1.47 kristaps 453: rew_elem(struct mdoc *mdoc, enum mdoct tok)
1.1 kristaps 454: {
455: struct mdoc_node *n;
456:
457: n = mdoc->last;
458: if (MDOC_ELEM != n->type)
459: n = n->parent;
460: assert(MDOC_ELEM == n->type);
461: assert(tok == n->tok);
1.149 schwarze 462: rew_last(mdoc, n);
1.1 kristaps 463: }
464:
1.83 schwarze 465: /*
466: * We are trying to close a block identified by tok,
467: * but the child block *broken is still open.
468: * Thus, postpone closing the tok block
469: * until the rew_sub call closing *broken.
470: */
471: static int
472: make_pending(struct mdoc_node *broken, enum mdoct tok,
1.119 schwarze 473: struct mdoc *mdoc, int line, int ppos)
1.83 schwarze 474: {
475: struct mdoc_node *breaker;
476:
477: /*
478: * Iterate backwards, searching for the block matching tok,
479: * that is, the block breaking the *broken block.
480: */
481: for (breaker = broken->parent; breaker; breaker = breaker->parent) {
482:
483: /*
484: * If the *broken block had already been broken before
485: * and we encounter its breaker, make the tok block
486: * pending on the inner breaker.
487: * Graphically, "[A breaker=[B broken=[C->B B] tok=A] C]"
488: * becomes "[A broken=[B [C->B B] tok=A] C]"
489: * and finally "[A [B->A [C->B B] A] C]".
490: */
491: if (breaker == broken->pending) {
492: broken = breaker;
493: continue;
494: }
495:
1.84 schwarze 496: if (REWIND_THIS != rew_dohalt(tok, MDOC_BLOCK, breaker))
1.83 schwarze 497: continue;
498: if (MDOC_BODY == broken->type)
499: broken = broken->parent;
500:
501: /*
502: * Found the breaker.
503: * If another, outer breaker is already pending on
504: * the *broken block, we must not clobber the link
505: * to the outer breaker, but make it pending on the
506: * new, now inner breaker.
507: * Graphically, "[A breaker=[B broken=[C->A A] tok=B] C]"
508: * becomes "[A breaker=[B->A broken=[C A] tok=B] C]"
509: * and finally "[A [B->A [C->B A] B] C]".
510: */
511: if (broken->pending) {
512: struct mdoc_node *taker;
513:
514: /*
515: * If the breaker had also been broken before,
516: * it cannot take on the outer breaker itself,
517: * but must hand it on to its own breakers.
518: * Graphically, this is the following situation:
519: * "[A [B breaker=[C->B B] broken=[D->A A] tok=C] D]"
520: * "[A taker=[B->A breaker=[C->B B] [D->C A] C] D]"
521: */
522: taker = breaker;
523: while (taker->pending)
524: taker = taker->pending;
525: taker->pending = broken->pending;
526: }
527: broken->pending = breaker;
1.137 schwarze 528: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse, line, ppos,
1.131 schwarze 529: "%s breaks %s", mdoc_macronames[tok],
530: mdoc_macronames[broken->tok]);
1.83 schwarze 531: return(1);
532: }
533:
534: /*
535: * Found no matching block for tok.
536: * Are you trying to close a block that is not open?
537: */
538: return(0);
539: }
540:
1.150 schwarze 541: static void
1.131 schwarze 542: rew_sub(enum mdoc_type t, struct mdoc *mdoc,
1.47 kristaps 543: enum mdoct tok, int line, int ppos)
1.1 kristaps 544: {
545: struct mdoc_node *n;
546:
1.119 schwarze 547: n = mdoc->last;
1.84 schwarze 548: while (n) {
549: switch (rew_dohalt(tok, t, n)) {
1.131 schwarze 550: case REWIND_NONE:
1.150 schwarze 551: return;
1.131 schwarze 552: case REWIND_THIS:
1.124 schwarze 553: n->lastline = line -
1.150 schwarze 554: (mdoc->flags & MDOC_NEWLINE &&
555: ! (mdoc_macros[tok].flags & MDOC_EXPLICIT));
1.84 schwarze 556: break;
1.131 schwarze 557: case REWIND_FORCE:
1.137 schwarze 558: mandoc_vmsg(MANDOCERR_BLK_BROKEN, mdoc->parse,
1.131 schwarze 559: line, ppos, "%s breaks %s",
560: mdoc_macronames[tok],
561: mdoc_macronames[n->tok]);
1.98 kristaps 562: /* FALLTHROUGH */
1.131 schwarze 563: case REWIND_MORE:
1.124 schwarze 564: n->lastline = line -
1.150 schwarze 565: (mdoc->flags & MDOC_NEWLINE ? 1 : 0);
1.84 schwarze 566: n = n->parent;
567: continue;
1.131 schwarze 568: case REWIND_LATER:
1.119 schwarze 569: if (make_pending(n, tok, mdoc, line, ppos) ||
1.150 schwarze 570: t != MDOC_BLOCK)
571: return;
1.98 kristaps 572: /* FALLTHROUGH */
1.131 schwarze 573: case REWIND_ERROR:
1.137 schwarze 574: mandoc_msg(MANDOCERR_BLK_NOTOPEN,
575: mdoc->parse, line, ppos,
576: mdoc_macronames[tok]);
1.150 schwarze 577: return;
1.32 kristaps 578: }
1.84 schwarze 579: break;
1.1 kristaps 580: }
581: assert(n);
1.149 schwarze 582: rew_last(mdoc, n);
1.47 kristaps 583:
584: /*
1.83 schwarze 585: * The current block extends an enclosing block.
586: * Now that the current block ends, close the enclosing block, too.
1.47 kristaps 587: */
1.150 schwarze 588: while ((n = n->pending) != NULL) {
1.149 schwarze 589: rew_last(mdoc, n);
1.150 schwarze 590: if (n->type == MDOC_HEAD)
591: mdoc_body_alloc(mdoc, n->line, n->pos, n->tok);
1.47 kristaps 592: }
1.1 kristaps 593: }
594:
1.105 kristaps 595: /*
596: * Allocate a word and check whether it's punctuation or not.
597: * Punctuation consists of those tokens found in mdoc_isdelim().
598: */
1.150 schwarze 599: static void
1.123 schwarze 600: dword(struct mdoc *mdoc, int line, int col, const char *p,
601: enum mdelim d, int may_append)
1.105 kristaps 602: {
1.131 schwarze 603:
1.150 schwarze 604: if (d == DELIM_MAX)
1.105 kristaps 605: d = mdoc_isdelim(p);
606:
1.123 schwarze 607: if (may_append &&
1.150 schwarze 608: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
609: d == DELIM_NONE && mdoc->last->type == MDOC_TEXT &&
610: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.123 schwarze 611: mdoc_word_append(mdoc, p);
1.150 schwarze 612: return;
1.123 schwarze 613: }
614:
1.150 schwarze 615: mdoc_word_alloc(mdoc, line, col, p);
1.105 kristaps 616:
1.108 schwarze 617: /*
1.144 schwarze 618: * If the word consists of a bare delimiter,
619: * flag the new node accordingly,
620: * unless doing so was vetoed by the invoking macro.
621: * Always clear the veto, it is only valid for one word.
1.108 schwarze 622: */
623:
1.144 schwarze 624: if (d == DELIM_OPEN)
625: mdoc->last->flags |= MDOC_DELIMO;
626: else if (d == DELIM_CLOSE &&
627: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 628: mdoc->last->parent->tok != MDOC_Fd)
1.119 schwarze 629: mdoc->last->flags |= MDOC_DELIMC;
1.144 schwarze 630: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 631: }
1.1 kristaps 632:
1.150 schwarze 633: static void
1.119 schwarze 634: append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)
1.1 kristaps 635: {
1.66 kristaps 636: int la;
1.55 kristaps 637: enum margserr ac;
1.1 kristaps 638: char *p;
639:
1.150 schwarze 640: if (buf[*pos] == '\0')
641: return;
1.1 kristaps 642:
643: for (;;) {
1.66 kristaps 644: la = *pos;
1.119 schwarze 645: ac = mdoc_zargs(mdoc, line, pos, buf, &p);
1.150 schwarze 646: if (ac == ARGS_EOLN)
1.1 kristaps 647: break;
1.123 schwarze 648: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 649:
650: /*
651: * If we encounter end-of-sentence symbols, then trigger
652: * the double-space.
653: *
1.109 kristaps 654: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 655: * the last symbol, such that `. )' will cause the
656: * correct double-spacing. However, (1) groff isn't
657: * smart enough to do this and (2) it would require
658: * knowing which symbols break this behaviour, for
1.109 kristaps 659: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 660: */
1.150 schwarze 661:
1.127 schwarze 662: if (mandoc_eos(p, strlen(p)))
1.119 schwarze 663: mdoc->last->flags |= MDOC_EOS;
1.1 kristaps 664: }
665: }
666:
667: /*
1.131 schwarze 668: * Close out block partial/full explicit.
1.1 kristaps 669: */
1.151 ! schwarze 670: static void
1.1 kristaps 671: blk_exp_close(MACRO_PROT_ARGS)
672: {
1.83 schwarze 673: struct mdoc_node *body; /* Our own body. */
1.148 schwarze 674: struct mdoc_node *endbody; /* Our own end marker. */
1.83 schwarze 675: struct mdoc_node *later; /* A sub-block starting later. */
676: struct mdoc_node *n; /* For searching backwards. */
677:
1.131 schwarze 678: int j, lastarg, maxargs, flushed, nl;
1.55 kristaps 679: enum margserr ac;
1.83 schwarze 680: enum mdoct atok, ntok;
1.1 kristaps 681: char *p;
682:
1.119 schwarze 683: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 684:
1.1 kristaps 685: switch (tok) {
1.131 schwarze 686: case MDOC_Ec:
1.1 kristaps 687: maxargs = 1;
688: break;
1.131 schwarze 689: case MDOC_Ek:
1.125 schwarze 690: mdoc->flags &= ~MDOC_KEEP;
1.151 ! schwarze 691: /* FALLTHROUGH */
1.1 kristaps 692: default:
693: maxargs = 0;
694: break;
695: }
696:
1.83 schwarze 697: /*
698: * Search backwards for beginnings of blocks,
699: * both of our own and of pending sub-blocks.
700: */
1.151 ! schwarze 701:
1.83 schwarze 702: atok = rew_alt(tok);
1.148 schwarze 703: body = endbody = later = NULL;
1.119 schwarze 704: for (n = mdoc->last; n; n = n->parent) {
1.150 schwarze 705: if (n->flags & MDOC_VALID)
1.83 schwarze 706: continue;
707:
708: /* Remember the start of our own body. */
1.151 ! schwarze 709:
1.150 schwarze 710: if (n->type == MDOC_BODY && atok == n->tok) {
711: if (n->end == ENDBODY_NOT)
1.83 schwarze 712: body = n;
713: continue;
714: }
715:
1.150 schwarze 716: if (n->type != MDOC_BLOCK || n->tok == MDOC_Nm)
1.83 schwarze 717: continue;
718: if (atok == n->tok) {
719: assert(body);
720:
721: /*
722: * Found the start of our own block.
723: * When there is no pending sub block,
724: * just proceed to closing out.
725: */
1.151 ! schwarze 726:
1.150 schwarze 727: if (later == NULL)
1.83 schwarze 728: break;
729:
1.131 schwarze 730: /*
1.83 schwarze 731: * When there is a pending sub block,
732: * postpone closing out the current block
733: * until the rew_sub() closing out the sub-block.
734: */
1.151 ! schwarze 735:
1.119 schwarze 736: make_pending(later, tok, mdoc, line, ppos);
1.83 schwarze 737:
738: /*
739: * Mark the place where the formatting - but not
740: * the scope - of the current block ends.
741: */
1.151 ! schwarze 742:
1.150 schwarze 743: mdoc_endbody_alloc(mdoc, line, ppos,
744: atok, body, ENDBODY_SPACE);
1.151 ! schwarze 745:
! 746: /*
! 747: * If a block closing macro taking arguments
! 748: * breaks another block, put the arguments
! 749: * into the end marker and remeber the
! 750: * end marker in order to close it out.
! 751: */
! 752:
1.148 schwarze 753: if (maxargs) {
754: endbody = mdoc->last;
755: mdoc->next = MDOC_NEXT_CHILD;
756: }
1.83 schwarze 757: break;
758: }
759:
760: /*
761: * When finding an open sub block, remember the last
762: * open explicit block, or, in case there are only
763: * implicit ones, the first open implicit block.
764: */
1.151 ! schwarze 765:
1.83 schwarze 766: if (later &&
1.150 schwarze 767: mdoc_macros[later->tok].flags & MDOC_EXPLICIT)
1.83 schwarze 768: continue;
1.150 schwarze 769: if (n->tok != MDOC_It)
1.83 schwarze 770: later = n;
771: }
1.151 ! schwarze 772: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1.83 schwarze 773:
1.150 schwarze 774: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
775: if (buf[*pos] != '\0')
1.136 schwarze 776: mandoc_vmsg(MANDOCERR_ARG_SKIP,
777: mdoc->parse, line, ppos,
778: "%s %s", mdoc_macronames[tok],
779: buf + *pos);
1.150 schwarze 780: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
1.151 ! schwarze 781: return;
1.1 kristaps 782: }
783:
1.148 schwarze 784: if (maxargs && endbody == NULL) {
785: if (n == NULL) {
786: /*
787: * Stray .Ec without previous .Eo:
788: * Break the output line, ignore any arguments.
789: */
1.150 schwarze 790: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
1.149 schwarze 791: rew_elem(mdoc, MDOC_br);
1.150 schwarze 792: } else
793: mdoc_tail_alloc(mdoc, line, ppos, atok);
1.148 schwarze 794: }
1.1 kristaps 795:
1.148 schwarze 796: flushed = n == NULL;
797: for (j = 0; ; j++) {
1.1 kristaps 798: lastarg = *pos;
799:
800: if (j == maxargs && ! flushed) {
1.150 schwarze 801: if (endbody == NULL)
802: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
803: else
1.149 schwarze 804: rew_last(mdoc, endbody);
1.1 kristaps 805: flushed = 1;
806: }
807:
1.119 schwarze 808: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 809: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 810: break;
811:
1.150 schwarze 812: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
1.54 kristaps 813:
1.150 schwarze 814: if (ntok == MDOC_MAX) {
815: dword(mdoc, line, lastarg, p, DELIM_MAX,
816: MDOC_JOIN & mdoc_macros[tok].flags);
1.54 kristaps 817: continue;
818: }
1.1 kristaps 819:
1.54 kristaps 820: if ( ! flushed) {
1.150 schwarze 821: if (endbody == NULL)
822: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
823: else
1.149 schwarze 824: rew_last(mdoc, endbody);
1.54 kristaps 825: flushed = 1;
826: }
1.122 schwarze 827: mdoc->flags &= ~MDOC_NEWLINE;
1.151 ! schwarze 828: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 829: break;
1.1 kristaps 830: }
831:
1.149 schwarze 832: if ( ! flushed) {
1.150 schwarze 833: if (endbody == NULL)
834: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
835: else
1.149 schwarze 836: rew_last(mdoc, endbody);
837: }
1.150 schwarze 838: if (nl)
839: append_delims(mdoc, line, pos, buf);
1.1 kristaps 840: }
841:
1.151 ! schwarze 842: static void
1.1 kristaps 843: in_line(MACRO_PROT_ARGS)
844: {
1.144 schwarze 845: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.56 kristaps 846: enum margverr av;
1.53 kristaps 847: enum mdoct ntok;
1.55 kristaps 848: enum margserr ac;
1.67 schwarze 849: enum mdelim d;
1.53 kristaps 850: struct mdoc_arg *arg;
851: char *p;
1.1 kristaps 852:
1.119 schwarze 853: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 854:
1.4 kristaps 855: /*
856: * Whether we allow ignored elements (those without content,
857: * usually because of reserved words) to squeak by.
858: */
1.45 kristaps 859:
1.4 kristaps 860: switch (tok) {
1.131 schwarze 861: case MDOC_An:
1.26 kristaps 862: /* FALLTHROUGH */
1.131 schwarze 863: case MDOC_Ar:
1.4 kristaps 864: /* FALLTHROUGH */
1.131 schwarze 865: case MDOC_Fl:
1.4 kristaps 866: /* FALLTHROUGH */
1.131 schwarze 867: case MDOC_Mt:
1.12 kristaps 868: /* FALLTHROUGH */
1.131 schwarze 869: case MDOC_Nm:
1.26 kristaps 870: /* FALLTHROUGH */
1.131 schwarze 871: case MDOC_Pa:
1.4 kristaps 872: nc = 1;
873: break;
874: default:
875: nc = 0;
876: break;
877: }
878:
1.27 kristaps 879: for (arg = NULL;; ) {
1.1 kristaps 880: la = *pos;
1.119 schwarze 881: av = mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.151 ! schwarze 882: if (av == ARGV_ARG)
! 883: continue;
! 884: if (av == ARGV_WORD)
1.1 kristaps 885: *pos = la;
1.151 ! schwarze 886: break;
1.1 kristaps 887: }
888:
1.144 schwarze 889: d = DELIM_NONE;
890: firstarg = 1;
1.142 schwarze 891: mayopen = 1;
1.70 kristaps 892: for (cnt = scope = 0;; ) {
1.1 kristaps 893: la = *pos;
1.119 schwarze 894: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 895:
1.144 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;
1.144 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;
1.144 schwarze 919: }
1.1 kristaps 920:
1.145 schwarze 921: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
922: MDOC_MAX : lookup(tok, p);
1.1 kristaps 923:
1.131 schwarze 924: /*
1.4 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: */
1.1 kristaps 930:
1.150 schwarze 931: if (ntok != MDOC_MAX) {
1.149 schwarze 932: if (scope)
933: rew_elem(mdoc, tok);
1.150 schwarze 934: if (nc && ! cnt) {
935: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 936: rew_last(mdoc, mdoc->last);
1.150 schwarze 937: } else if ( ! nc && ! cnt) {
1.7 kristaps 938: mdoc_argv_free(arg);
1.135 schwarze 939: mandoc_msg(MANDOCERR_MACRO_EMPTY,
940: mdoc->parse, line, ppos,
941: mdoc_macronames[tok]);
1.7 kristaps 942: }
1.151 ! schwarze 943: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.150 schwarze 944: if (nl)
945: append_delims(mdoc, line, pos, buf);
1.151 ! schwarze 946: return;
1.131 schwarze 947: }
1.1 kristaps 948:
1.131 schwarze 949: /*
1.4 kristaps 950: * Non-quote-enclosed punctuation. Set up our scope, if
951: * a word; rewind the scope, if a delimiter; then append
1.131 schwarze 952: * the word.
1.4 kristaps 953: */
1.1 kristaps 954:
1.150 schwarze 955: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.3 kristaps 956:
1.70 kristaps 957: if (DELIM_NONE != d) {
958: /*
959: * If we encounter closing punctuation, no word
1.144 schwarze 960: * has been emitted, no scope is open, and we're
1.70 kristaps 961: * allowed to have an empty element, then start
1.142 schwarze 962: * a new scope.
1.70 kristaps 963: */
1.142 schwarze 964: if ((d == DELIM_CLOSE ||
965: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 966: !cnt && !scope && nc && mayopen) {
1.150 schwarze 967: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 968: scope = 1;
1.142 schwarze 969: cnt++;
1.150 schwarze 970: if (tok == MDOC_Nm)
1.142 schwarze 971: mayopen = 0;
1.70 kristaps 972: }
973: /*
974: * Close out our scope, if one is open, before
975: * any punctuation.
976: */
1.149 schwarze 977: if (scope)
978: rew_elem(mdoc, tok);
1.70 kristaps 979: scope = 0;
1.145 schwarze 980: if (tok == MDOC_Fn)
981: mayopen = 0;
1.142 schwarze 982: } else if (mayopen && !scope) {
1.150 schwarze 983: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 984: scope = 1;
1.142 schwarze 985: cnt++;
1.1 kristaps 986: }
1.105 kristaps 987:
1.150 schwarze 988: dword(mdoc, line, la, p, d,
989: MDOC_JOIN & mdoc_macros[tok].flags);
1.39 kristaps 990:
991: /*
1.144 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: /*
1.39 kristaps 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: */
1.150 schwarze 1005: if (scope && tok == MDOC_Fl) {
1.149 schwarze 1006: rew_elem(mdoc, tok);
1.70 kristaps 1007: scope = 0;
1.39 kristaps 1008: }
1.1 kristaps 1009: }
1010:
1.149 schwarze 1011: if (scope)
1012: rew_elem(mdoc, tok);
1.4 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: */
1.45 kristaps 1019:
1.150 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: }
1.7 kristaps 1029: }
1.150 schwarze 1030: if (nl)
1031: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1032: }
1033:
1.151 ! schwarze 1034: static void
1.1 kristaps 1035: blk_full(MACRO_PROT_ARGS)
1036: {
1.114 kristaps 1037: int la, nl, nparsed;
1.1 kristaps 1038: struct mdoc_arg *arg;
1.45 kristaps 1039: struct mdoc_node *head; /* save of head macro */
1.49 kristaps 1040: struct mdoc_node *body; /* save of body macro */
1.47 kristaps 1041: struct mdoc_node *n;
1.53 kristaps 1042: enum mdoct ntok;
1.59 kristaps 1043: enum margserr ac, lac;
1.56 kristaps 1044: enum margverr av;
1.1 kristaps 1045: char *p;
1046:
1.119 schwarze 1047: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 1048:
1049: /* Skip items outside lists. */
1050:
1051: if (tok == MDOC_It) {
1052: for (n = mdoc->last; n; n = n->parent)
1.141 schwarze 1053: if (n->tok == MDOC_Bl &&
1054: ! (n->flags & MDOC_VALID))
1.138 schwarze 1055: break;
1056: if (n == NULL) {
1057: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1058: line, ppos, "It %s", buf + *pos);
1.150 schwarze 1059: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
1.149 schwarze 1060: rew_elem(mdoc, MDOC_br);
1.151 ! schwarze 1061: return;
1.138 schwarze 1062: }
1063: }
1.63 kristaps 1064:
1.45 kristaps 1065: /* Close out prior implicit scope. */
1.19 kristaps 1066:
1.150 schwarze 1067: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
1068: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1069: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
1.1 kristaps 1070: }
1071:
1.45 kristaps 1072: /*
1.109 kristaps 1073: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1074: * macro openings. Implicit ones first close out prior scope
1075: * (seen above). Delay opening the head until necessary to
1076: * allow leading punctuation to print. Special consideration
1077: * for `It -column', which has phrase-part syntax instead of
1078: * regular child nodes.
1079: */
1080:
1.1 kristaps 1081: for (arg = NULL;; ) {
1.45 kristaps 1082: la = *pos;
1.119 schwarze 1083: av = mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.151 ! schwarze 1084: if (av == ARGV_ARG)
! 1085: continue;
! 1086: if (av == ARGV_WORD)
1.45 kristaps 1087: *pos = la;
1.151 ! schwarze 1088: break;
1.1 kristaps 1089: }
1090:
1.150 schwarze 1091: mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1092: head = body = NULL;
1.115 schwarze 1093:
1094: /*
1095: * Exception: Heads of `It' macros in `-diag' lists are not
1096: * parsed, even though `It' macros in general are parsed.
1097: */
1.151 ! schwarze 1098:
1.150 schwarze 1099: nparsed = tok == MDOC_It &&
1100: mdoc->last->parent->tok == MDOC_Bl &&
1101: mdoc->last->parent->norm->Bl.type == LIST_diag;
1.1 kristaps 1102:
1.45 kristaps 1103: /*
1104: * The `Nd' macro has all arguments in its body: it's a hybrid
1105: * of block partial-explicit and full-implicit. Stupid.
1106: */
1.19 kristaps 1107:
1.150 schwarze 1108: if (tok == MDOC_Nd) {
1109: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1110: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1111: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1112: }
1113:
1.150 schwarze 1114: if (tok == MDOC_Bk)
1.123 schwarze 1115: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1116:
1.150 schwarze 1117: ac = ARGS_PEND;
1118: for (;;) {
1.45 kristaps 1119: la = *pos;
1.150 schwarze 1120: lac = ac;
1.119 schwarze 1121: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1122: if (ac == ARGS_PUNCT)
1.89 schwarze 1123: break;
1.150 schwarze 1124: if (ac == ARGS_EOLN) {
1125: if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
1.75 kristaps 1126: break;
1127: /*
1128: * This is necessary: if the last token on a
1129: * line is a `Ta' or tab, then we'll get
1130: * ARGS_EOLN, so we must be smart enough to
1131: * reopen our scope if the last parse was a
1132: * phrase or partial phrase.
1133: */
1.150 schwarze 1134: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1135: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1136: break;
1.75 kristaps 1137: }
1.45 kristaps 1138:
1.131 schwarze 1139: /*
1.73 kristaps 1140: * Emit leading punctuation (i.e., punctuation before
1141: * the MDOC_HEAD) for non-phrase types.
1142: */
1.45 kristaps 1143:
1.150 schwarze 1144: if (head == NULL &&
1145: ac != ARGS_PEND &&
1146: ac != ARGS_PHRASE &&
1147: ac != ARGS_PPHRASE &&
1148: ac != ARGS_QWORD &&
1149: mdoc_isdelim(p) == DELIM_OPEN) {
1150: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1151: continue;
1152: }
1153:
1.74 kristaps 1154: /* Open a head if one hasn't been opened. */
1.45 kristaps 1155:
1.150 schwarze 1156: if (head == NULL)
1157: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1158:
1.150 schwarze 1159: if (ac == ARGS_PHRASE ||
1160: ac == ARGS_PEND ||
1161: ac == ARGS_PPHRASE) {
1.151 ! schwarze 1162:
1.73 kristaps 1163: /*
1.74 kristaps 1164: * If we haven't opened a body yet, rewind the
1165: * head; if we have, rewind that instead.
1166: */
1167:
1.150 schwarze 1168: rew_sub(body ? MDOC_BODY : MDOC_HEAD,
1169: mdoc, tok, line, ppos);
1170: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1171:
1172: /*
1.73 kristaps 1173: * Process phrases: set whether we're in a
1174: * partial-phrase (this effects line handling)
1175: * then call down into the phrase parser.
1176: */
1.74 kristaps 1177:
1.150 schwarze 1178: if (ac == ARGS_PPHRASE)
1.119 schwarze 1179: mdoc->flags |= MDOC_PPHRASE;
1.150 schwarze 1180: if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
1.119 schwarze 1181: mdoc->flags |= MDOC_PPHRASE;
1.151 ! schwarze 1182: phrase(mdoc, line, la, buf);
1.119 schwarze 1183: mdoc->flags &= ~MDOC_PPHRASE;
1.1 kristaps 1184: continue;
1185: }
1186:
1.150 schwarze 1187: ntok = nparsed || ac == ARGS_QWORD ?
1.131 schwarze 1188: MDOC_MAX : lookup(tok, p);
1.54 kristaps 1189:
1.151 ! schwarze 1190: if (ntok != MDOC_MAX) {
! 1191: mdoc_macro(mdoc, ntok, line, la, pos, buf);
! 1192: break;
1.45 kristaps 1193: }
1.151 ! schwarze 1194: dword(mdoc, line, la, p, DELIM_MAX,
! 1195: MDOC_JOIN & mdoc_macros[tok].flags);
1.45 kristaps 1196: }
1.1 kristaps 1197:
1.150 schwarze 1198: if (head == NULL)
1199: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1200: if (nl)
1201: append_delims(mdoc, line, pos, buf);
1.151 ! schwarze 1202: if (body != NULL)
1.77 kristaps 1203: goto out;
1.19 kristaps 1204:
1.47 kristaps 1205: /*
1.49 kristaps 1206: * If there is an open (i.e., unvalidated) sub-block requiring
1207: * explicit close-out, postpone switching the current block from
1208: * head to body until the rew_sub() call closing out that
1209: * sub-block.
1.47 kristaps 1210: */
1.119 schwarze 1211: for (n = mdoc->last; n && n != head; n = n->parent) {
1.151 ! schwarze 1212: if (n->type == MDOC_BLOCK &&
! 1213: mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
! 1214: ! (n->flags & MDOC_VALID)) {
1.47 kristaps 1215: n->pending = head;
1.151 ! schwarze 1216: return;
1.47 kristaps 1217: }
1218: }
1219:
1.45 kristaps 1220: /* Close out scopes to remain in a consistent state. */
1221:
1.150 schwarze 1222: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1223: mdoc_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1224: out:
1.150 schwarze 1225: if (mdoc->flags & MDOC_FREECOL) {
1226: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1227: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
1228: mdoc->flags &= ~MDOC_FREECOL;
1229: }
1.1 kristaps 1230: }
1231:
1.151 ! schwarze 1232: static void
1.1 kristaps 1233: blk_part_imp(MACRO_PROT_ARGS)
1234: {
1.63 kristaps 1235: int la, nl;
1.53 kristaps 1236: enum mdoct ntok;
1.55 kristaps 1237: enum margserr ac;
1.1 kristaps 1238: char *p;
1.43 kristaps 1239: struct mdoc_node *blk; /* saved block context */
1240: struct mdoc_node *body; /* saved body context */
1241: struct mdoc_node *n;
1.1 kristaps 1242:
1.119 schwarze 1243: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1244:
1.43 kristaps 1245: /*
1246: * A macro that spans to the end of the line. This is generally
1247: * (but not necessarily) called as the first macro. The block
1248: * has a head as the immediate child, which is always empty,
1249: * followed by zero or more opening punctuation nodes, then the
1250: * body (which may be empty, depending on the macro), then zero
1251: * or more closing punctuation nodes.
1252: */
1.32 kristaps 1253:
1.150 schwarze 1254: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1255: mdoc_head_alloc(mdoc, line, ppos, tok);
1256: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1.1 kristaps 1257:
1.43 kristaps 1258: /*
1259: * Open the body scope "on-demand", that is, after we've
1260: * processed all our the leading delimiters (open parenthesis,
1261: * etc.).
1262: */
1.1 kristaps 1263:
1.43 kristaps 1264: for (body = NULL; ; ) {
1.32 kristaps 1265: la = *pos;
1.119 schwarze 1266: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1267: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1268: break;
1269:
1.150 schwarze 1270: if (body == NULL && ac != ARGS_QWORD &&
1271: mdoc_isdelim(p) == DELIM_OPEN) {
1272: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1273: continue;
1.123 schwarze 1274: }
1.1 kristaps 1275:
1.150 schwarze 1276: if (body == NULL)
1277: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1278:
1.150 schwarze 1279: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
1.54 kristaps 1280:
1.151 ! schwarze 1281: if (ntok != MDOC_MAX) {
! 1282: mdoc_macro(mdoc, ntok, line, la, pos, buf);
! 1283: break;
1.53 kristaps 1284: }
1.151 ! schwarze 1285: dword(mdoc, line, la, p, DELIM_MAX,
! 1286: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1287: }
1.150 schwarze 1288: if (body == NULL)
1289: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1290:
1.83 schwarze 1291: /*
1292: * If there is an open sub-block requiring explicit close-out,
1293: * postpone closing out the current block
1294: * until the rew_sub() call closing out the sub-block.
1295: */
1.151 ! schwarze 1296:
1.119 schwarze 1297: for (n = mdoc->last; n && n != body && n != blk->parent;
1.131 schwarze 1298: n = n->parent) {
1.150 schwarze 1299: if (n->type == MDOC_BLOCK &&
1300: mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
1301: ! (n->flags & MDOC_VALID)) {
1.119 schwarze 1302: make_pending(n, tok, mdoc, line, ppos);
1.150 schwarze 1303: mdoc_endbody_alloc(mdoc, line, ppos,
1304: tok, body, ENDBODY_NOSPACE);
1.151 ! schwarze 1305: return;
1.83 schwarze 1306: }
1307: }
1.134 schwarze 1308: assert(n == body);
1.150 schwarze 1309: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1310: if (nl)
1311: append_delims(mdoc, line, pos, buf);
1312: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
1.117 schwarze 1313:
1314: /* Move trailing .Ns out of scope. */
1315:
1316: for (n = body->child; n && n->next; n = n->next)
1317: /* Do nothing. */ ;
1.150 schwarze 1318: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1319: mdoc_node_relink(mdoc, n);
1.1 kristaps 1320: }
1321:
1.151 ! schwarze 1322: static void
1.1 kristaps 1323: blk_part_exp(MACRO_PROT_ARGS)
1324: {
1.60 kristaps 1325: int la, nl;
1.55 kristaps 1326: enum margserr ac;
1.43 kristaps 1327: struct mdoc_node *head; /* keep track of head */
1328: struct mdoc_node *body; /* keep track of body */
1.1 kristaps 1329: char *p;
1.53 kristaps 1330: enum mdoct ntok;
1.1 kristaps 1331:
1.119 schwarze 1332: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1333:
1.43 kristaps 1334: /*
1335: * The opening of an explicit macro having zero or more leading
1336: * punctuation nodes; a head with optional single element (the
1337: * case of `Eo'); and a body that may be empty.
1338: */
1.32 kristaps 1339:
1.150 schwarze 1340: mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.43 kristaps 1341: for (head = body = NULL; ; ) {
1.32 kristaps 1342: la = *pos;
1.119 schwarze 1343: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1344: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1345: break;
1.43 kristaps 1346:
1347: /* Flush out leading punctuation. */
1348:
1.150 schwarze 1349: if (head == NULL && ac != ARGS_QWORD &&
1350: mdoc_isdelim(p) == DELIM_OPEN) {
1.43 kristaps 1351: assert(NULL == body);
1.150 schwarze 1352: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1353: continue;
1.123 schwarze 1354: }
1.43 kristaps 1355:
1.150 schwarze 1356: if (head == NULL) {
1357: assert(body == NULL);
1358: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1359: }
1360:
1.43 kristaps 1361: /*
1362: * `Eo' gobbles any data into the head, but most other
1363: * macros just immediately close out and begin the body.
1364: */
1365:
1.150 schwarze 1366: if (body == NULL) {
1.43 kristaps 1367: assert(head);
1368: /* No check whether it's a macro! */
1.150 schwarze 1369: if (tok == MDOC_Eo)
1370: dword(mdoc, line, la, p, DELIM_MAX, 0);
1371: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1372: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1373: if (tok == MDOC_Eo)
1.43 kristaps 1374: continue;
1.1 kristaps 1375: }
1.150 schwarze 1376: assert(head != NULL && body != NULL);
1.43 kristaps 1377:
1.150 schwarze 1378: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
1.151 ! schwarze 1379: if (ntok != MDOC_MAX) {
! 1380: mdoc_macro(mdoc, ntok, line, la, pos, buf);
! 1381: break;
1.43 kristaps 1382: }
1.151 ! schwarze 1383: dword(mdoc, line, la, p, DELIM_MAX,
! 1384: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1385: }
1386:
1.43 kristaps 1387: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1388:
1.150 schwarze 1389: if (head == NULL)
1390: mdoc_head_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1391:
1.150 schwarze 1392: if (body == NULL) {
1393: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1394: mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1395: }
1.150 schwarze 1396: if (nl)
1397: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1398: }
1399:
1.151 ! schwarze 1400: static void
1.1 kristaps 1401: in_line_argn(MACRO_PROT_ARGS)
1402: {
1.60 kristaps 1403: int la, flushed, j, maxargs, nl;
1.55 kristaps 1404: enum margserr ac;
1.56 kristaps 1405: enum margverr av;
1.53 kristaps 1406: struct mdoc_arg *arg;
1407: char *p;
1408: enum mdoct ntok;
1.1 kristaps 1409:
1.119 schwarze 1410: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1411:
1.46 kristaps 1412: /*
1413: * A line macro that has a fixed number of arguments (maxargs).
1414: * Only open the scope once the first non-leading-punctuation is
1415: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1416: * keep it open until the maximum number of arguments are
1417: * exhausted.
1418: */
1.1 kristaps 1419:
1420: switch (tok) {
1.131 schwarze 1421: case MDOC_Ap:
1.1 kristaps 1422: /* FALLTHROUGH */
1.131 schwarze 1423: case MDOC_Ns:
1.1 kristaps 1424: /* FALLTHROUGH */
1.131 schwarze 1425: case MDOC_Ux:
1.1 kristaps 1426: maxargs = 0;
1427: break;
1.131 schwarze 1428: case MDOC_Bx:
1.101 kristaps 1429: /* FALLTHROUGH */
1.132 schwarze 1430: case MDOC_Es:
1431: /* FALLTHROUGH */
1.131 schwarze 1432: case MDOC_Xr:
1.42 kristaps 1433: maxargs = 2;
1434: break;
1.1 kristaps 1435: default:
1436: maxargs = 1;
1437: break;
1438: }
1439:
1.46 kristaps 1440: for (arg = NULL; ; ) {
1.32 kristaps 1441: la = *pos;
1.119 schwarze 1442: av = mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.151 ! schwarze 1443: if (av == ARGV_ARG)
! 1444: continue;
! 1445: if (av == ARGV_WORD)
1.32 kristaps 1446: *pos = la;
1.151 ! schwarze 1447: break;
1.1 kristaps 1448: }
1449:
1.46 kristaps 1450: for (flushed = j = 0; ; ) {
1.32 kristaps 1451: la = *pos;
1.119 schwarze 1452: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1453: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1454: break;
1455:
1.150 schwarze 1456: if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1457: ac != ARGS_QWORD && j == 0 &&
1458: mdoc_isdelim(p) == DELIM_OPEN) {
1459: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.46 kristaps 1460: continue;
1.150 schwarze 1461: } else if (j == 0)
1462: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.46 kristaps 1463:
1464: if (j == maxargs && ! flushed) {
1.149 schwarze 1465: rew_elem(mdoc, tok);
1.46 kristaps 1466: flushed = 1;
1467: }
1468:
1.150 schwarze 1469: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
1.54 kristaps 1470:
1.150 schwarze 1471: if (ntok != MDOC_MAX) {
1.149 schwarze 1472: if ( ! flushed)
1473: rew_elem(mdoc, tok);
1.1 kristaps 1474: flushed = 1;
1.151 ! schwarze 1475: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.46 kristaps 1476: j++;
1.1 kristaps 1477: break;
1478: }
1479:
1.150 schwarze 1480: if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1481: ac != ARGS_QWORD && ! flushed &&
1482: mdoc_isdelim(p) != DELIM_NONE) {
1.149 schwarze 1483: rew_elem(mdoc, tok);
1.1 kristaps 1484: flushed = 1;
1485: }
1.42 kristaps 1486:
1.150 schwarze 1487: dword(mdoc, line, la, p, DELIM_MAX,
1488: MDOC_JOIN & mdoc_macros[tok].flags);
1.46 kristaps 1489: j++;
1.1 kristaps 1490: }
1491:
1.150 schwarze 1492: if (j == 0)
1493: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 1494: if ( ! flushed)
1495: rew_elem(mdoc, tok);
1.150 schwarze 1496: if (nl)
1497: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1498: }
1499:
1.151 ! schwarze 1500: static void
1.1 kristaps 1501: in_line_eoln(MACRO_PROT_ARGS)
1502: {
1.56 kristaps 1503: int la;
1.55 kristaps 1504: enum margserr ac;
1.56 kristaps 1505: enum margverr av;
1.53 kristaps 1506: struct mdoc_arg *arg;
1507: char *p;
1508: enum mdoct ntok;
1.1 kristaps 1509:
1510: assert( ! (MDOC_PARSED & mdoc_macros[tok].flags));
1511:
1.90 schwarze 1512: if (tok == MDOC_Pp)
1.119 schwarze 1513: rew_sub(MDOC_BLOCK, mdoc, MDOC_Nm, line, ppos);
1.90 schwarze 1514:
1.32 kristaps 1515: /* Parse macro arguments. */
1.1 kristaps 1516:
1.32 kristaps 1517: for (arg = NULL; ; ) {
1.1 kristaps 1518: la = *pos;
1.119 schwarze 1519: av = mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.151 ! schwarze 1520: if (av == ARGV_ARG)
! 1521: continue;
! 1522: if (av == ARGV_WORD)
1.1 kristaps 1523: *pos = la;
1.151 ! schwarze 1524: break;
1.1 kristaps 1525: }
1526:
1.32 kristaps 1527: /* Open element scope. */
1528:
1.150 schwarze 1529: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.1 kristaps 1530:
1.32 kristaps 1531: /* Parse argument terms. */
1.1 kristaps 1532:
1533: for (;;) {
1534: la = *pos;
1.119 schwarze 1535: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1536: if (ac == ARGS_EOLN)
1.1 kristaps 1537: break;
1538:
1.150 schwarze 1539: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
1.1 kristaps 1540:
1.151 ! schwarze 1541: if (ntok != MDOC_MAX) {
! 1542: rew_elem(mdoc, tok);
! 1543: mdoc_macro(mdoc, ntok, line, la, pos, buf);
! 1544: return;
1.53 kristaps 1545: }
1.151 ! schwarze 1546: dword(mdoc, line, la, p, DELIM_MAX,
! 1547: MDOC_JOIN & mdoc_macros[tok].flags);
1.1 kristaps 1548: }
1549:
1.32 kristaps 1550: /* Close out (no delimiters). */
1551:
1.149 schwarze 1552: rew_elem(mdoc, tok);
1.1 kristaps 1553: }
1554:
1.151 ! schwarze 1555: static void
1.41 kristaps 1556: ctx_synopsis(MACRO_PROT_ARGS)
1557: {
1.60 kristaps 1558:
1.151 ! schwarze 1559: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
! 1560: in_line(mdoc, tok, line, ppos, pos, buf);
! 1561: else if (tok == MDOC_Nm)
! 1562: blk_full(mdoc, tok, line, ppos, pos, buf);
! 1563: else {
! 1564: assert(tok == MDOC_Vt);
! 1565: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
! 1566: }
1.1 kristaps 1567: }
1568:
1.24 kristaps 1569: /*
1570: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1571: * They're unusual because they're basically free-form text until a
1572: * macro is encountered.
1573: */
1.151 ! schwarze 1574: static void
1.119 schwarze 1575: phrase(struct mdoc *mdoc, int line, int ppos, char *buf)
1.1 kristaps 1576: {
1.53 kristaps 1577: int la, pos;
1.75 kristaps 1578: enum margserr ac;
1.53 kristaps 1579: enum mdoct ntok;
1580: char *p;
1.1 kristaps 1581:
1.24 kristaps 1582: for (pos = ppos; ; ) {
1583: la = pos;
1.1 kristaps 1584:
1.119 schwarze 1585: ac = mdoc_zargs(mdoc, line, &pos, buf, &p);
1.150 schwarze 1586: if (ac == ARGS_EOLN)
1.24 kristaps 1587: break;
1.1 kristaps 1588:
1.150 schwarze 1589: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup_raw(p);
1.1 kristaps 1590:
1.151 ! schwarze 1591: if (ntok != MDOC_MAX) {
! 1592: mdoc_macro(mdoc, ntok, line, la, &pos, buf);
! 1593: append_delims(mdoc, line, &pos, buf);
! 1594: return;
1.53 kristaps 1595: }
1.151 ! schwarze 1596: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.1 kristaps 1597: }
1598: }
1.24 kristaps 1599:
1.151 ! schwarze 1600: static void
1.75 kristaps 1601: phrase_ta(MACRO_PROT_ARGS)
1602: {
1.121 schwarze 1603: struct mdoc_node *n;
1.75 kristaps 1604: int la;
1605: enum mdoct ntok;
1606: enum margserr ac;
1607: char *p;
1608:
1.121 schwarze 1609: /* Make sure we are in a column list or ignore this macro. */
1.151 ! schwarze 1610:
1.121 schwarze 1611: n = mdoc->last;
1.151 ! schwarze 1612: while (n != NULL && n->tok != MDOC_Bl)
1.121 schwarze 1613: n = n->parent;
1.151 ! schwarze 1614: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1615: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1616: line, ppos, "Ta");
1.151 ! schwarze 1617: return;
1.121 schwarze 1618: }
1.75 kristaps 1619:
1.121 schwarze 1620: /* Advance to the next column. */
1.150 schwarze 1621:
1622: rew_sub(MDOC_BODY, mdoc, MDOC_It, line, ppos);
1623: mdoc_body_alloc(mdoc, line, ppos, MDOC_It);
1.75 kristaps 1624:
1625: for (;;) {
1626: la = *pos;
1.119 schwarze 1627: ac = mdoc_zargs(mdoc, line, pos, buf, &p);
1.150 schwarze 1628: if (ac == ARGS_EOLN)
1.75 kristaps 1629: break;
1630:
1.150 schwarze 1631: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup_raw(p);
1.75 kristaps 1632:
1.151 ! schwarze 1633: if (ntok != MDOC_MAX) {
! 1634: mdoc_macro(mdoc, ntok, line, la, pos, buf);
! 1635: append_delims(mdoc, line, pos, buf);
! 1636: return;
1.75 kristaps 1637: }
1.151 ! schwarze 1638: dword(mdoc, line, la, p, DELIM_MAX,
! 1639: MDOC_JOIN & mdoc_macros[tok].flags);
1.75 kristaps 1640: }
1641: }
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