Annotation of mandoc/mdoc_macro.c, Revision 1.153
1.153 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.152 2014/11/28 23:21:32 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 *);
1.153 ! schwarze 57: static int macro_or_word(MACRO_PROT_ARGS, int);
1.85 schwarze 58: static int make_pending(struct mdoc_node *, enum mdoct,
1.83 schwarze 59: struct mdoc *, int, int);
1.153 ! 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: /*
1.153 ! schwarze 243: * Look up the macro at *p called by "from",
! 244: * or as a line macro if from == MDOC_MAX.
1.32 kristaps 245: */
1.53 kristaps 246: static enum mdoct
1.58 kristaps 247: lookup(enum mdoct from, const char *p)
1.28 kristaps 248: {
1.58 kristaps 249: enum mdoct res;
1.1 kristaps 250:
1.153 ! schwarze 251: if (from == MDOC_MAX || mdoc_macros[from].flags & MDOC_PARSED) {
! 252: res = mdoc_hash_find(p);
! 253: if (res != MDOC_MAX && mdoc_macros[res].flags & MDOC_CALLABLE)
! 254: return(res);
! 255: }
1.1 kristaps 256: return(MDOC_MAX);
257: }
258:
1.149 schwarze 259: static void
1.32 kristaps 260: rew_last(struct mdoc *mdoc, const struct mdoc_node *to)
1.1 kristaps 261: {
1.100 kristaps 262: struct mdoc_node *n, *np;
1.1 kristaps 263:
264: assert(to);
265: mdoc->next = MDOC_NEXT_SIBLING;
266: while (mdoc->last != to) {
1.100 kristaps 267: /*
268: * Save the parent here, because we may delete the
1.119 schwarze 269: * mdoc->last node in the post-validation phase and reset
270: * it to mdoc->last->parent, causing a step in the closing
1.100 kristaps 271: * out to be lost.
272: */
273: np = mdoc->last->parent;
1.149 schwarze 274: mdoc_valid_post(mdoc);
1.99 kristaps 275: n = mdoc->last;
1.100 kristaps 276: mdoc->last = np;
1.1 kristaps 277: assert(mdoc->last);
1.99 kristaps 278: mdoc->last->last = n;
1.1 kristaps 279: }
1.149 schwarze 280: mdoc_valid_post(mdoc);
1.1 kristaps 281: }
282:
1.32 kristaps 283: /*
1.84 schwarze 284: * For a block closing macro, return the corresponding opening one.
285: * Otherwise, return the macro itself.
1.32 kristaps 286: */
1.47 kristaps 287: static enum mdoct
288: rew_alt(enum mdoct tok)
1.1 kristaps 289: {
290: switch (tok) {
1.131 schwarze 291: case MDOC_Ac:
1.1 kristaps 292: return(MDOC_Ao);
1.131 schwarze 293: case MDOC_Bc:
1.1 kristaps 294: return(MDOC_Bo);
1.131 schwarze 295: case MDOC_Brc:
1.1 kristaps 296: return(MDOC_Bro);
1.131 schwarze 297: case MDOC_Dc:
1.1 kristaps 298: return(MDOC_Do);
1.131 schwarze 299: case MDOC_Ec:
1.1 kristaps 300: return(MDOC_Eo);
1.131 schwarze 301: case MDOC_Ed:
1.1 kristaps 302: return(MDOC_Bd);
1.131 schwarze 303: case MDOC_Ef:
1.1 kristaps 304: return(MDOC_Bf);
1.131 schwarze 305: case MDOC_Ek:
1.1 kristaps 306: return(MDOC_Bk);
1.131 schwarze 307: case MDOC_El:
1.1 kristaps 308: return(MDOC_Bl);
1.131 schwarze 309: case MDOC_Fc:
1.1 kristaps 310: return(MDOC_Fo);
1.131 schwarze 311: case MDOC_Oc:
1.1 kristaps 312: return(MDOC_Oo);
1.131 schwarze 313: case MDOC_Pc:
1.1 kristaps 314: return(MDOC_Po);
1.131 schwarze 315: case MDOC_Qc:
1.1 kristaps 316: return(MDOC_Qo);
1.131 schwarze 317: case MDOC_Re:
1.1 kristaps 318: return(MDOC_Rs);
1.131 schwarze 319: case MDOC_Sc:
1.1 kristaps 320: return(MDOC_So);
1.131 schwarze 321: case MDOC_Xc:
1.1 kristaps 322: return(MDOC_Xo);
323: default:
1.84 schwarze 324: return(tok);
1.1 kristaps 325: }
326: /* NOTREACHED */
327: }
328:
1.84 schwarze 329: /*
330: * Rewinding to tok, how do we have to handle *p?
331: * REWIND_NONE: *p would delimit tok, but no tok scope is open
332: * inside *p, so there is no need to rewind anything at all.
333: * REWIND_THIS: *p matches tok, so rewind *p and nothing else.
334: * REWIND_MORE: *p is implicit, rewind it and keep searching for tok.
1.98 kristaps 335: * REWIND_FORCE: *p is explicit, but tok is full, force rewinding *p.
1.84 schwarze 336: * REWIND_LATER: *p is explicit and still open, postpone rewinding.
337: * REWIND_ERROR: No tok block is open at all.
1.1 kristaps 338: */
1.51 kristaps 339: static enum rew
1.131 schwarze 340: rew_dohalt(enum mdoct tok, enum mdoc_type type,
1.47 kristaps 341: const struct mdoc_node *p)
1.1 kristaps 342: {
343:
1.86 schwarze 344: /*
345: * No matching token, no delimiting block, no broken block.
346: * This can happen when full implicit macros are called for
347: * the first time but try to rewind their previous
348: * instance anyway.
349: */
1.1 kristaps 350: if (MDOC_ROOT == p->type)
1.84 schwarze 351: return(MDOC_BLOCK == type &&
352: MDOC_EXPLICIT & mdoc_macros[tok].flags ?
353: REWIND_ERROR : REWIND_NONE);
1.86 schwarze 354:
355: /*
1.131 schwarze 356: * When starting to rewind, skip plain text
1.86 schwarze 357: * and nodes that have already been rewound.
358: */
1.84 schwarze 359: if (MDOC_TEXT == p->type || MDOC_VALID & p->flags)
360: return(REWIND_MORE);
361:
1.86 schwarze 362: /*
363: * The easiest case: Found a matching token.
364: * This applies to both blocks and elements.
365: */
1.84 schwarze 366: tok = rew_alt(tok);
367: if (tok == p->tok)
368: return(p->end ? REWIND_NONE :
369: type == p->type ? REWIND_THIS : REWIND_MORE);
370:
1.86 schwarze 371: /*
372: * While elements do require rewinding for themselves,
373: * they never affect rewinding of other nodes.
374: */
1.84 schwarze 375: if (MDOC_ELEM == p->type)
376: return(REWIND_MORE);
1.1 kristaps 377:
1.86 schwarze 378: /*
379: * Blocks delimited by our target token get REWIND_MORE.
1.131 schwarze 380: * Blocks delimiting our target token get REWIND_NONE.
1.86 schwarze 381: */
1.1 kristaps 382: switch (tok) {
1.131 schwarze 383: case MDOC_Bl:
1.84 schwarze 384: if (MDOC_It == p->tok)
385: return(REWIND_MORE);
1.1 kristaps 386: break;
1.131 schwarze 387: case MDOC_It:
1.1 kristaps 388: if (MDOC_BODY == p->type && MDOC_Bl == p->tok)
1.84 schwarze 389: return(REWIND_NONE);
1.1 kristaps 390: break;
1.84 schwarze 391: /*
392: * XXX Badly nested block handling still fails badly
393: * when one block is breaking two blocks of the same type.
394: * This is an incomplete and extremely ugly workaround,
395: * required to let the OpenBSD tree build.
396: */
1.131 schwarze 397: case MDOC_Oo:
1.84 schwarze 398: if (MDOC_Op == p->tok)
399: return(REWIND_MORE);
1.1 kristaps 400: break;
1.131 schwarze 401: case MDOC_Nm:
1.88 schwarze 402: return(REWIND_NONE);
1.131 schwarze 403: case MDOC_Nd:
1.19 kristaps 404: /* FALLTHROUGH */
1.131 schwarze 405: case MDOC_Ss:
1.1 kristaps 406: if (MDOC_BODY == p->type && MDOC_Sh == p->tok)
1.84 schwarze 407: return(REWIND_NONE);
1.1 kristaps 408: /* FALLTHROUGH */
1.131 schwarze 409: case MDOC_Sh:
1.138 schwarze 410: if (MDOC_ROOT == p->parent->type)
411: return(REWIND_THIS);
1.84 schwarze 412: if (MDOC_Nd == p->tok || MDOC_Ss == p->tok ||
413: MDOC_Sh == p->tok)
414: return(REWIND_MORE);
1.1 kristaps 415: break;
416: default:
417: break;
418: }
419:
1.86 schwarze 420: /*
421: * Default block rewinding rules.
1.88 schwarze 422: * In particular, always skip block end markers,
423: * and let all blocks rewind Nm children.
1.146 schwarze 424: * Do not warn again when closing a block,
425: * since closing the body already warned.
1.86 schwarze 426: */
1.88 schwarze 427: if (ENDBODY_NOT != p->end || MDOC_Nm == p->tok ||
1.146 schwarze 428: MDOC_BLOCK == type || (MDOC_BLOCK == p->type &&
1.86 schwarze 429: ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)))
430: return(REWIND_MORE);
431:
432: /*
1.98 kristaps 433: * By default, closing out full blocks
434: * forces closing of broken explicit blocks,
435: * while closing out partial blocks
436: * allows delayed rewinding by default.
1.86 schwarze 437: */
1.98 kristaps 438: return (&blk_full == mdoc_macros[tok].fp ?
439: REWIND_FORCE : REWIND_LATER);
1.1 kristaps 440: }
441:
1.149 schwarze 442: static void
1.47 kristaps 443: rew_elem(struct mdoc *mdoc, enum mdoct tok)
1.1 kristaps 444: {
445: struct mdoc_node *n;
446:
447: n = mdoc->last;
448: if (MDOC_ELEM != n->type)
449: n = n->parent;
450: assert(MDOC_ELEM == n->type);
451: assert(tok == n->tok);
1.149 schwarze 452: rew_last(mdoc, n);
1.1 kristaps 453: }
454:
1.83 schwarze 455: /*
456: * We are trying to close a block identified by tok,
457: * but the child block *broken is still open.
458: * Thus, postpone closing the tok block
459: * until the rew_sub call closing *broken.
460: */
461: static int
462: make_pending(struct mdoc_node *broken, enum mdoct tok,
1.119 schwarze 463: struct mdoc *mdoc, int line, int ppos)
1.83 schwarze 464: {
465: struct mdoc_node *breaker;
466:
467: /*
468: * Iterate backwards, searching for the block matching tok,
469: * that is, the block breaking the *broken block.
470: */
471: for (breaker = broken->parent; breaker; breaker = breaker->parent) {
472:
473: /*
474: * If the *broken block had already been broken before
475: * and we encounter its breaker, make the tok block
476: * pending on the inner breaker.
477: * Graphically, "[A breaker=[B broken=[C->B B] tok=A] C]"
478: * becomes "[A broken=[B [C->B B] tok=A] C]"
479: * and finally "[A [B->A [C->B B] A] C]".
480: */
481: if (breaker == broken->pending) {
482: broken = breaker;
483: continue;
484: }
485:
1.84 schwarze 486: if (REWIND_THIS != rew_dohalt(tok, MDOC_BLOCK, breaker))
1.83 schwarze 487: continue;
488: if (MDOC_BODY == broken->type)
489: broken = broken->parent;
490:
491: /*
492: * Found the breaker.
493: * If another, outer breaker is already pending on
494: * the *broken block, we must not clobber the link
495: * to the outer breaker, but make it pending on the
496: * new, now inner breaker.
497: * Graphically, "[A breaker=[B broken=[C->A A] tok=B] C]"
498: * becomes "[A breaker=[B->A broken=[C A] tok=B] C]"
499: * and finally "[A [B->A [C->B A] B] C]".
500: */
501: if (broken->pending) {
502: struct mdoc_node *taker;
503:
504: /*
505: * If the breaker had also been broken before,
506: * it cannot take on the outer breaker itself,
507: * but must hand it on to its own breakers.
508: * Graphically, this is the following situation:
509: * "[A [B breaker=[C->B B] broken=[D->A A] tok=C] D]"
510: * "[A taker=[B->A breaker=[C->B B] [D->C A] C] D]"
511: */
512: taker = breaker;
513: while (taker->pending)
514: taker = taker->pending;
515: taker->pending = broken->pending;
516: }
517: broken->pending = breaker;
1.137 schwarze 518: mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse, line, ppos,
1.131 schwarze 519: "%s breaks %s", mdoc_macronames[tok],
520: mdoc_macronames[broken->tok]);
1.83 schwarze 521: return(1);
522: }
523:
524: /*
525: * Found no matching block for tok.
526: * Are you trying to close a block that is not open?
527: */
528: return(0);
529: }
530:
1.150 schwarze 531: static void
1.131 schwarze 532: rew_sub(enum mdoc_type t, struct mdoc *mdoc,
1.47 kristaps 533: enum mdoct tok, int line, int ppos)
1.1 kristaps 534: {
535: struct mdoc_node *n;
536:
1.119 schwarze 537: n = mdoc->last;
1.84 schwarze 538: while (n) {
539: switch (rew_dohalt(tok, t, n)) {
1.131 schwarze 540: case REWIND_NONE:
1.150 schwarze 541: return;
1.131 schwarze 542: case REWIND_THIS:
1.124 schwarze 543: n->lastline = line -
1.150 schwarze 544: (mdoc->flags & MDOC_NEWLINE &&
545: ! (mdoc_macros[tok].flags & MDOC_EXPLICIT));
1.84 schwarze 546: break;
1.131 schwarze 547: case REWIND_FORCE:
1.137 schwarze 548: mandoc_vmsg(MANDOCERR_BLK_BROKEN, mdoc->parse,
1.131 schwarze 549: line, ppos, "%s breaks %s",
550: mdoc_macronames[tok],
551: mdoc_macronames[n->tok]);
1.98 kristaps 552: /* FALLTHROUGH */
1.131 schwarze 553: case REWIND_MORE:
1.124 schwarze 554: n->lastline = line -
1.150 schwarze 555: (mdoc->flags & MDOC_NEWLINE ? 1 : 0);
1.84 schwarze 556: n = n->parent;
557: continue;
1.131 schwarze 558: case REWIND_LATER:
1.119 schwarze 559: if (make_pending(n, tok, mdoc, line, ppos) ||
1.150 schwarze 560: t != MDOC_BLOCK)
561: return;
1.98 kristaps 562: /* FALLTHROUGH */
1.131 schwarze 563: case REWIND_ERROR:
1.137 schwarze 564: mandoc_msg(MANDOCERR_BLK_NOTOPEN,
565: mdoc->parse, line, ppos,
566: mdoc_macronames[tok]);
1.150 schwarze 567: return;
1.32 kristaps 568: }
1.84 schwarze 569: break;
1.1 kristaps 570: }
571: assert(n);
1.149 schwarze 572: rew_last(mdoc, n);
1.47 kristaps 573:
574: /*
1.83 schwarze 575: * The current block extends an enclosing block.
576: * Now that the current block ends, close the enclosing block, too.
1.47 kristaps 577: */
1.150 schwarze 578: while ((n = n->pending) != NULL) {
1.149 schwarze 579: rew_last(mdoc, n);
1.150 schwarze 580: if (n->type == MDOC_HEAD)
581: mdoc_body_alloc(mdoc, n->line, n->pos, n->tok);
1.47 kristaps 582: }
1.1 kristaps 583: }
584:
1.105 kristaps 585: /*
586: * Allocate a word and check whether it's punctuation or not.
587: * Punctuation consists of those tokens found in mdoc_isdelim().
588: */
1.150 schwarze 589: static void
1.123 schwarze 590: dword(struct mdoc *mdoc, int line, int col, const char *p,
591: enum mdelim d, int may_append)
1.105 kristaps 592: {
1.131 schwarze 593:
1.150 schwarze 594: if (d == DELIM_MAX)
1.105 kristaps 595: d = mdoc_isdelim(p);
596:
1.123 schwarze 597: if (may_append &&
1.150 schwarze 598: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
599: d == DELIM_NONE && mdoc->last->type == MDOC_TEXT &&
600: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.123 schwarze 601: mdoc_word_append(mdoc, p);
1.150 schwarze 602: return;
1.123 schwarze 603: }
604:
1.150 schwarze 605: mdoc_word_alloc(mdoc, line, col, p);
1.105 kristaps 606:
1.108 schwarze 607: /*
1.144 schwarze 608: * If the word consists of a bare delimiter,
609: * flag the new node accordingly,
610: * unless doing so was vetoed by the invoking macro.
611: * Always clear the veto, it is only valid for one word.
1.108 schwarze 612: */
613:
1.144 schwarze 614: if (d == DELIM_OPEN)
615: mdoc->last->flags |= MDOC_DELIMO;
616: else if (d == DELIM_CLOSE &&
617: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 618: mdoc->last->parent->tok != MDOC_Fd)
1.119 schwarze 619: mdoc->last->flags |= MDOC_DELIMC;
1.144 schwarze 620: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 621: }
1.1 kristaps 622:
1.150 schwarze 623: static void
1.119 schwarze 624: append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)
1.1 kristaps 625: {
1.153 ! schwarze 626: char *p;
1.66 kristaps 627: int la;
1.1 kristaps 628:
1.150 schwarze 629: if (buf[*pos] == '\0')
630: return;
1.1 kristaps 631:
632: for (;;) {
1.66 kristaps 633: la = *pos;
1.153 ! schwarze 634: if (mdoc_args(mdoc, line, pos, buf, MDOC_MAX, &p) == ARGS_EOLN)
1.1 kristaps 635: break;
1.123 schwarze 636: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 637:
638: /*
639: * If we encounter end-of-sentence symbols, then trigger
640: * the double-space.
641: *
1.109 kristaps 642: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 643: * the last symbol, such that `. )' will cause the
644: * correct double-spacing. However, (1) groff isn't
645: * smart enough to do this and (2) it would require
646: * knowing which symbols break this behaviour, for
1.109 kristaps 647: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 648: */
1.150 schwarze 649:
1.127 schwarze 650: if (mandoc_eos(p, strlen(p)))
1.119 schwarze 651: mdoc->last->flags |= MDOC_EOS;
1.1 kristaps 652: }
653: }
654:
655: /*
1.153 ! schwarze 656: * Parse one word.
! 657: * If it is a macro, call it and return 1.
! 658: * Otherwise, allocate it and return 0.
! 659: */
! 660: static int
! 661: macro_or_word(MACRO_PROT_ARGS, int parsed)
! 662: {
! 663: char *p;
! 664: enum mdoct ntok;
! 665:
! 666: p = buf + ppos;
! 667: ntok = MDOC_MAX;
! 668: if (mdoc->flags & MDOC_PHRASELIT)
! 669: /* nothing */;
! 670: else if (*p == '"')
! 671: p++;
! 672: else if (parsed)
! 673: ntok = lookup(tok, p);
! 674:
! 675: if (ntok == MDOC_MAX) {
! 676: dword(mdoc, line, ppos, p, DELIM_MAX, tok == MDOC_MAX ||
! 677: mdoc_macros[tok].flags & MDOC_JOIN);
! 678: return(0);
! 679: } else {
! 680: if (mdoc_macros[tok].fp == in_line_eoln)
! 681: rew_elem(mdoc, tok);
! 682: mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
! 683: if (tok == MDOC_MAX)
! 684: append_delims(mdoc, line, pos, buf);
! 685: return(1);
! 686: }
! 687: }
! 688:
! 689: /*
1.131 schwarze 690: * Close out block partial/full explicit.
1.1 kristaps 691: */
1.151 schwarze 692: static void
1.1 kristaps 693: blk_exp_close(MACRO_PROT_ARGS)
694: {
1.83 schwarze 695: struct mdoc_node *body; /* Our own body. */
1.148 schwarze 696: struct mdoc_node *endbody; /* Our own end marker. */
1.83 schwarze 697: struct mdoc_node *later; /* A sub-block starting later. */
698: struct mdoc_node *n; /* For searching backwards. */
699:
1.131 schwarze 700: int j, lastarg, maxargs, flushed, nl;
1.55 kristaps 701: enum margserr ac;
1.83 schwarze 702: enum mdoct atok, ntok;
1.1 kristaps 703: char *p;
704:
1.119 schwarze 705: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 706:
1.1 kristaps 707: switch (tok) {
1.131 schwarze 708: case MDOC_Ec:
1.1 kristaps 709: maxargs = 1;
710: break;
1.131 schwarze 711: case MDOC_Ek:
1.125 schwarze 712: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 713: /* FALLTHROUGH */
1.1 kristaps 714: default:
715: maxargs = 0;
716: break;
717: }
718:
1.83 schwarze 719: /*
720: * Search backwards for beginnings of blocks,
721: * both of our own and of pending sub-blocks.
722: */
1.151 schwarze 723:
1.83 schwarze 724: atok = rew_alt(tok);
1.148 schwarze 725: body = endbody = later = NULL;
1.119 schwarze 726: for (n = mdoc->last; n; n = n->parent) {
1.150 schwarze 727: if (n->flags & MDOC_VALID)
1.83 schwarze 728: continue;
729:
730: /* Remember the start of our own body. */
1.151 schwarze 731:
1.150 schwarze 732: if (n->type == MDOC_BODY && atok == n->tok) {
733: if (n->end == ENDBODY_NOT)
1.83 schwarze 734: body = n;
735: continue;
736: }
737:
1.150 schwarze 738: if (n->type != MDOC_BLOCK || n->tok == MDOC_Nm)
1.83 schwarze 739: continue;
740: if (atok == n->tok) {
741: assert(body);
742:
743: /*
744: * Found the start of our own block.
745: * When there is no pending sub block,
746: * just proceed to closing out.
747: */
1.151 schwarze 748:
1.150 schwarze 749: if (later == NULL)
1.83 schwarze 750: break;
751:
1.131 schwarze 752: /*
1.83 schwarze 753: * When there is a pending sub block,
754: * postpone closing out the current block
755: * until the rew_sub() closing out the sub-block.
756: */
1.151 schwarze 757:
1.119 schwarze 758: make_pending(later, tok, mdoc, line, ppos);
1.83 schwarze 759:
760: /*
761: * Mark the place where the formatting - but not
762: * the scope - of the current block ends.
763: */
1.151 schwarze 764:
1.150 schwarze 765: mdoc_endbody_alloc(mdoc, line, ppos,
766: atok, body, ENDBODY_SPACE);
1.151 schwarze 767:
768: /*
769: * If a block closing macro taking arguments
770: * breaks another block, put the arguments
771: * into the end marker and remeber the
772: * end marker in order to close it out.
773: */
774:
1.148 schwarze 775: if (maxargs) {
776: endbody = mdoc->last;
777: mdoc->next = MDOC_NEXT_CHILD;
778: }
1.83 schwarze 779: break;
780: }
781:
782: /*
783: * When finding an open sub block, remember the last
784: * open explicit block, or, in case there are only
785: * implicit ones, the first open implicit block.
786: */
1.151 schwarze 787:
1.83 schwarze 788: if (later &&
1.150 schwarze 789: mdoc_macros[later->tok].flags & MDOC_EXPLICIT)
1.83 schwarze 790: continue;
1.150 schwarze 791: if (n->tok != MDOC_It)
1.83 schwarze 792: later = n;
793: }
1.151 schwarze 794: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1.83 schwarze 795:
1.150 schwarze 796: if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
797: if (buf[*pos] != '\0')
1.136 schwarze 798: mandoc_vmsg(MANDOCERR_ARG_SKIP,
799: mdoc->parse, line, ppos,
800: "%s %s", mdoc_macronames[tok],
801: buf + *pos);
1.150 schwarze 802: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
1.151 schwarze 803: return;
1.1 kristaps 804: }
805:
1.148 schwarze 806: if (maxargs && endbody == NULL) {
807: if (n == NULL) {
808: /*
809: * Stray .Ec without previous .Eo:
810: * Break the output line, ignore any arguments.
811: */
1.150 schwarze 812: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
1.149 schwarze 813: rew_elem(mdoc, MDOC_br);
1.150 schwarze 814: } else
815: mdoc_tail_alloc(mdoc, line, ppos, atok);
1.148 schwarze 816: }
1.1 kristaps 817:
1.148 schwarze 818: flushed = n == NULL;
819: for (j = 0; ; j++) {
1.1 kristaps 820: lastarg = *pos;
821:
822: if (j == maxargs && ! flushed) {
1.150 schwarze 823: if (endbody == NULL)
824: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
825: else
1.149 schwarze 826: rew_last(mdoc, endbody);
1.1 kristaps 827: flushed = 1;
828: }
829:
1.119 schwarze 830: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 831: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 832: break;
833:
1.150 schwarze 834: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
1.54 kristaps 835:
1.150 schwarze 836: if (ntok == MDOC_MAX) {
837: dword(mdoc, line, lastarg, p, DELIM_MAX,
838: MDOC_JOIN & mdoc_macros[tok].flags);
1.54 kristaps 839: continue;
840: }
1.1 kristaps 841:
1.54 kristaps 842: if ( ! flushed) {
1.150 schwarze 843: if (endbody == NULL)
844: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
845: else
1.149 schwarze 846: rew_last(mdoc, endbody);
1.54 kristaps 847: flushed = 1;
848: }
1.122 schwarze 849: mdoc->flags &= ~MDOC_NEWLINE;
1.151 schwarze 850: mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 851: break;
1.1 kristaps 852: }
853:
1.149 schwarze 854: if ( ! flushed) {
1.150 schwarze 855: if (endbody == NULL)
856: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
857: else
1.149 schwarze 858: rew_last(mdoc, endbody);
859: }
1.150 schwarze 860: if (nl)
861: append_delims(mdoc, line, pos, buf);
1.1 kristaps 862: }
863:
1.151 schwarze 864: static void
1.1 kristaps 865: in_line(MACRO_PROT_ARGS)
866: {
1.144 schwarze 867: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.53 kristaps 868: enum mdoct ntok;
1.55 kristaps 869: enum margserr ac;
1.67 schwarze 870: enum mdelim d;
1.53 kristaps 871: struct mdoc_arg *arg;
872: char *p;
1.1 kristaps 873:
1.119 schwarze 874: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 875:
1.4 kristaps 876: /*
877: * Whether we allow ignored elements (those without content,
878: * usually because of reserved words) to squeak by.
879: */
1.45 kristaps 880:
1.4 kristaps 881: switch (tok) {
1.131 schwarze 882: case MDOC_An:
1.26 kristaps 883: /* FALLTHROUGH */
1.131 schwarze 884: case MDOC_Ar:
1.4 kristaps 885: /* FALLTHROUGH */
1.131 schwarze 886: case MDOC_Fl:
1.4 kristaps 887: /* FALLTHROUGH */
1.131 schwarze 888: case MDOC_Mt:
1.12 kristaps 889: /* FALLTHROUGH */
1.131 schwarze 890: case MDOC_Nm:
1.26 kristaps 891: /* FALLTHROUGH */
1.131 schwarze 892: case MDOC_Pa:
1.4 kristaps 893: nc = 1;
894: break;
895: default:
896: nc = 0;
897: break;
898: }
899:
1.152 schwarze 900: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 901:
1.144 schwarze 902: d = DELIM_NONE;
903: firstarg = 1;
1.142 schwarze 904: mayopen = 1;
1.70 kristaps 905: for (cnt = scope = 0;; ) {
1.1 kristaps 906: la = *pos;
1.119 schwarze 907: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 908:
1.144 schwarze 909: /*
910: * At the end of a macro line,
911: * opening delimiters do not suppress spacing.
912: */
913:
914: if (ac == ARGS_EOLN) {
915: if (d == DELIM_OPEN)
916: mdoc->last->flags &= ~MDOC_DELIMO;
1.1 kristaps 917: break;
1.144 schwarze 918: }
919:
920: /*
921: * The rest of the macro line is only punctuation,
922: * to be handled by append_delims().
923: * If there were no other arguments,
924: * do not allow the first one to suppress spacing,
925: * even if it turns out to be a closing one.
926: */
927:
928: if (ac == ARGS_PUNCT) {
929: if (cnt == 0 && nc == 0)
930: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 931: break;
1.144 schwarze 932: }
1.1 kristaps 933:
1.145 schwarze 934: ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
935: MDOC_MAX : lookup(tok, p);
1.1 kristaps 936:
1.131 schwarze 937: /*
1.4 kristaps 938: * In this case, we've located a submacro and must
939: * execute it. Close out scope, if open. If no
940: * elements have been generated, either create one (nc)
941: * or raise a warning.
942: */
1.1 kristaps 943:
1.150 schwarze 944: if (ntok != MDOC_MAX) {
1.149 schwarze 945: if (scope)
946: rew_elem(mdoc, tok);
1.150 schwarze 947: if (nc && ! cnt) {
948: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 949: rew_last(mdoc, mdoc->last);
1.150 schwarze 950: } else if ( ! nc && ! cnt) {
1.7 kristaps 951: mdoc_argv_free(arg);
1.135 schwarze 952: mandoc_msg(MANDOCERR_MACRO_EMPTY,
953: mdoc->parse, line, ppos,
954: mdoc_macronames[tok]);
1.7 kristaps 955: }
1.151 schwarze 956: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.150 schwarze 957: if (nl)
958: append_delims(mdoc, line, pos, buf);
1.151 schwarze 959: return;
1.131 schwarze 960: }
1.1 kristaps 961:
1.131 schwarze 962: /*
1.4 kristaps 963: * Non-quote-enclosed punctuation. Set up our scope, if
964: * a word; rewind the scope, if a delimiter; then append
1.131 schwarze 965: * the word.
1.4 kristaps 966: */
1.1 kristaps 967:
1.150 schwarze 968: d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
1.3 kristaps 969:
1.70 kristaps 970: if (DELIM_NONE != d) {
971: /*
972: * If we encounter closing punctuation, no word
1.144 schwarze 973: * has been emitted, no scope is open, and we're
1.70 kristaps 974: * allowed to have an empty element, then start
1.142 schwarze 975: * a new scope.
1.70 kristaps 976: */
1.142 schwarze 977: if ((d == DELIM_CLOSE ||
978: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 979: !cnt && !scope && nc && mayopen) {
1.150 schwarze 980: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 981: scope = 1;
1.142 schwarze 982: cnt++;
1.150 schwarze 983: if (tok == MDOC_Nm)
1.142 schwarze 984: mayopen = 0;
1.70 kristaps 985: }
986: /*
987: * Close out our scope, if one is open, before
988: * any punctuation.
989: */
1.149 schwarze 990: if (scope)
991: rew_elem(mdoc, tok);
1.70 kristaps 992: scope = 0;
1.145 schwarze 993: if (tok == MDOC_Fn)
994: mayopen = 0;
1.142 schwarze 995: } else if (mayopen && !scope) {
1.150 schwarze 996: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 997: scope = 1;
1.142 schwarze 998: cnt++;
1.1 kristaps 999: }
1.105 kristaps 1000:
1.150 schwarze 1001: dword(mdoc, line, la, p, d,
1002: MDOC_JOIN & mdoc_macros[tok].flags);
1.39 kristaps 1003:
1004: /*
1.144 schwarze 1005: * If the first argument is a closing delimiter,
1006: * do not suppress spacing before it.
1007: */
1008:
1009: if (firstarg && d == DELIM_CLOSE && !nc)
1010: mdoc->last->flags &= ~MDOC_DELIMC;
1011: firstarg = 0;
1012:
1013: /*
1.39 kristaps 1014: * `Fl' macros have their scope re-opened with each new
1015: * word so that the `-' can be added to each one without
1016: * having to parse out spaces.
1017: */
1.150 schwarze 1018: if (scope && tok == MDOC_Fl) {
1.149 schwarze 1019: rew_elem(mdoc, tok);
1.70 kristaps 1020: scope = 0;
1.39 kristaps 1021: }
1.1 kristaps 1022: }
1023:
1.149 schwarze 1024: if (scope)
1025: rew_elem(mdoc, tok);
1.4 kristaps 1026:
1027: /*
1028: * If no elements have been collected and we're allowed to have
1029: * empties (nc), open a scope and close it out. Otherwise,
1030: * raise a warning.
1031: */
1.45 kristaps 1032:
1.150 schwarze 1033: if ( ! cnt) {
1034: if (nc) {
1035: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1036: rew_last(mdoc, mdoc->last);
1037: } else {
1038: mdoc_argv_free(arg);
1039: mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1040: line, ppos, mdoc_macronames[tok]);
1041: }
1.7 kristaps 1042: }
1.150 schwarze 1043: if (nl)
1044: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1045: }
1046:
1.151 schwarze 1047: static void
1.1 kristaps 1048: blk_full(MACRO_PROT_ARGS)
1049: {
1.153 ! schwarze 1050: int la, nl, parsed;
1.1 kristaps 1051: struct mdoc_arg *arg;
1.45 kristaps 1052: struct mdoc_node *head; /* save of head macro */
1.49 kristaps 1053: struct mdoc_node *body; /* save of body macro */
1.47 kristaps 1054: struct mdoc_node *n;
1.59 kristaps 1055: enum margserr ac, lac;
1.1 kristaps 1056: char *p;
1057:
1.119 schwarze 1058: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 1059:
1060: /* Skip items outside lists. */
1061:
1062: if (tok == MDOC_It) {
1063: for (n = mdoc->last; n; n = n->parent)
1.141 schwarze 1064: if (n->tok == MDOC_Bl &&
1065: ! (n->flags & MDOC_VALID))
1.138 schwarze 1066: break;
1067: if (n == NULL) {
1068: mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
1069: line, ppos, "It %s", buf + *pos);
1.150 schwarze 1070: mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
1.149 schwarze 1071: rew_elem(mdoc, MDOC_br);
1.151 schwarze 1072: return;
1.138 schwarze 1073: }
1074: }
1.63 kristaps 1075:
1.45 kristaps 1076: /* Close out prior implicit scope. */
1.19 kristaps 1077:
1.150 schwarze 1078: if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
1079: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1080: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
1.1 kristaps 1081: }
1082:
1.45 kristaps 1083: /*
1.109 kristaps 1084: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1085: * macro openings. Implicit ones first close out prior scope
1086: * (seen above). Delay opening the head until necessary to
1087: * allow leading punctuation to print. Special consideration
1088: * for `It -column', which has phrase-part syntax instead of
1089: * regular child nodes.
1090: */
1091:
1.152 schwarze 1092: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1093: mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1094: head = body = NULL;
1.115 schwarze 1095:
1096: /*
1097: * Exception: Heads of `It' macros in `-diag' lists are not
1098: * parsed, even though `It' macros in general are parsed.
1099: */
1.151 schwarze 1100:
1.153 ! schwarze 1101: parsed = tok != MDOC_It ||
! 1102: mdoc->last->parent->tok != MDOC_Bl ||
! 1103: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1104:
1.45 kristaps 1105: /*
1106: * The `Nd' macro has all arguments in its body: it's a hybrid
1107: * of block partial-explicit and full-implicit. Stupid.
1108: */
1.19 kristaps 1109:
1.150 schwarze 1110: if (tok == MDOC_Nd) {
1111: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1112: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1113: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1114: }
1115:
1.150 schwarze 1116: if (tok == MDOC_Bk)
1.123 schwarze 1117: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1118:
1.150 schwarze 1119: ac = ARGS_PEND;
1120: for (;;) {
1.45 kristaps 1121: la = *pos;
1.150 schwarze 1122: lac = ac;
1.119 schwarze 1123: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1124: if (ac == ARGS_PUNCT)
1.89 schwarze 1125: break;
1.150 schwarze 1126: if (ac == ARGS_EOLN) {
1127: if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
1.75 kristaps 1128: break;
1129: /*
1130: * This is necessary: if the last token on a
1131: * line is a `Ta' or tab, then we'll get
1132: * ARGS_EOLN, so we must be smart enough to
1133: * reopen our scope if the last parse was a
1134: * phrase or partial phrase.
1135: */
1.150 schwarze 1136: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1137: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1138: break;
1.75 kristaps 1139: }
1.45 kristaps 1140:
1.131 schwarze 1141: /*
1.73 kristaps 1142: * Emit leading punctuation (i.e., punctuation before
1143: * the MDOC_HEAD) for non-phrase types.
1144: */
1.45 kristaps 1145:
1.150 schwarze 1146: if (head == NULL &&
1147: ac != ARGS_PEND &&
1148: ac != ARGS_PHRASE &&
1149: ac != ARGS_PPHRASE &&
1150: ac != ARGS_QWORD &&
1151: mdoc_isdelim(p) == DELIM_OPEN) {
1152: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1153: continue;
1154: }
1155:
1.74 kristaps 1156: /* Open a head if one hasn't been opened. */
1.45 kristaps 1157:
1.150 schwarze 1158: if (head == NULL)
1159: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1160:
1.150 schwarze 1161: if (ac == ARGS_PHRASE ||
1162: ac == ARGS_PEND ||
1163: ac == ARGS_PPHRASE) {
1.151 schwarze 1164:
1.73 kristaps 1165: /*
1.74 kristaps 1166: * If we haven't opened a body yet, rewind the
1167: * head; if we have, rewind that instead.
1168: */
1169:
1.150 schwarze 1170: rew_sub(body ? MDOC_BODY : MDOC_HEAD,
1171: mdoc, tok, line, ppos);
1172: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1173:
1174: /*
1.73 kristaps 1175: * Process phrases: set whether we're in a
1176: * partial-phrase (this effects line handling)
1177: * then call down into the phrase parser.
1178: */
1.74 kristaps 1179:
1.150 schwarze 1180: if (ac == ARGS_PPHRASE)
1.119 schwarze 1181: mdoc->flags |= MDOC_PPHRASE;
1.150 schwarze 1182: if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
1.119 schwarze 1183: mdoc->flags |= MDOC_PPHRASE;
1.153 ! schwarze 1184: phrase(mdoc, line, &la, buf);
1.119 schwarze 1185: mdoc->flags &= ~MDOC_PPHRASE;
1.1 kristaps 1186: continue;
1187: }
1188:
1.153 ! schwarze 1189: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1190: break;
1.45 kristaps 1191: }
1.1 kristaps 1192:
1.150 schwarze 1193: if (head == NULL)
1194: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1195: if (nl)
1196: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1197: if (body != NULL)
1.77 kristaps 1198: goto out;
1.19 kristaps 1199:
1.47 kristaps 1200: /*
1.49 kristaps 1201: * If there is an open (i.e., unvalidated) sub-block requiring
1202: * explicit close-out, postpone switching the current block from
1203: * head to body until the rew_sub() call closing out that
1204: * sub-block.
1.47 kristaps 1205: */
1.119 schwarze 1206: for (n = mdoc->last; n && n != head; n = n->parent) {
1.151 schwarze 1207: if (n->type == MDOC_BLOCK &&
1208: mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
1209: ! (n->flags & MDOC_VALID)) {
1.47 kristaps 1210: n->pending = head;
1.151 schwarze 1211: return;
1.47 kristaps 1212: }
1213: }
1214:
1.45 kristaps 1215: /* Close out scopes to remain in a consistent state. */
1216:
1.150 schwarze 1217: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1218: mdoc_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1219: out:
1.150 schwarze 1220: if (mdoc->flags & MDOC_FREECOL) {
1221: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1222: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
1223: mdoc->flags &= ~MDOC_FREECOL;
1224: }
1.1 kristaps 1225: }
1226:
1.151 schwarze 1227: static void
1.1 kristaps 1228: blk_part_imp(MACRO_PROT_ARGS)
1229: {
1.63 kristaps 1230: int la, nl;
1.55 kristaps 1231: enum margserr ac;
1.1 kristaps 1232: char *p;
1.43 kristaps 1233: struct mdoc_node *blk; /* saved block context */
1234: struct mdoc_node *body; /* saved body context */
1235: struct mdoc_node *n;
1.1 kristaps 1236:
1.119 schwarze 1237: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1238:
1.43 kristaps 1239: /*
1240: * A macro that spans to the end of the line. This is generally
1241: * (but not necessarily) called as the first macro. The block
1242: * has a head as the immediate child, which is always empty,
1243: * followed by zero or more opening punctuation nodes, then the
1244: * body (which may be empty, depending on the macro), then zero
1245: * or more closing punctuation nodes.
1246: */
1.32 kristaps 1247:
1.150 schwarze 1248: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1249: mdoc_head_alloc(mdoc, line, ppos, tok);
1250: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1.1 kristaps 1251:
1.43 kristaps 1252: /*
1253: * Open the body scope "on-demand", that is, after we've
1254: * processed all our the leading delimiters (open parenthesis,
1255: * etc.).
1256: */
1.1 kristaps 1257:
1.43 kristaps 1258: for (body = NULL; ; ) {
1.32 kristaps 1259: la = *pos;
1.119 schwarze 1260: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1261: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1262: break;
1263:
1.150 schwarze 1264: if (body == NULL && ac != ARGS_QWORD &&
1265: mdoc_isdelim(p) == DELIM_OPEN) {
1266: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1267: continue;
1.123 schwarze 1268: }
1.1 kristaps 1269:
1.150 schwarze 1270: if (body == NULL)
1271: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1272:
1.153 ! schwarze 1273: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1274: break;
1.1 kristaps 1275: }
1.150 schwarze 1276: if (body == NULL)
1277: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1278:
1.83 schwarze 1279: /*
1280: * If there is an open sub-block requiring explicit close-out,
1281: * postpone closing out the current block
1282: * until the rew_sub() call closing out the sub-block.
1283: */
1.151 schwarze 1284:
1.119 schwarze 1285: for (n = mdoc->last; n && n != body && n != blk->parent;
1.131 schwarze 1286: n = n->parent) {
1.150 schwarze 1287: if (n->type == MDOC_BLOCK &&
1288: mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
1289: ! (n->flags & MDOC_VALID)) {
1.119 schwarze 1290: make_pending(n, tok, mdoc, line, ppos);
1.150 schwarze 1291: mdoc_endbody_alloc(mdoc, line, ppos,
1292: tok, body, ENDBODY_NOSPACE);
1.151 schwarze 1293: return;
1.83 schwarze 1294: }
1295: }
1.134 schwarze 1296: assert(n == body);
1.150 schwarze 1297: rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
1298: if (nl)
1299: append_delims(mdoc, line, pos, buf);
1300: rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
1.117 schwarze 1301:
1302: /* Move trailing .Ns out of scope. */
1303:
1304: for (n = body->child; n && n->next; n = n->next)
1305: /* Do nothing. */ ;
1.150 schwarze 1306: if (n && n->tok == MDOC_Ns)
1.119 schwarze 1307: mdoc_node_relink(mdoc, n);
1.1 kristaps 1308: }
1309:
1.151 schwarze 1310: static void
1.1 kristaps 1311: blk_part_exp(MACRO_PROT_ARGS)
1312: {
1.60 kristaps 1313: int la, nl;
1.55 kristaps 1314: enum margserr ac;
1.43 kristaps 1315: struct mdoc_node *head; /* keep track of head */
1316: struct mdoc_node *body; /* keep track of body */
1.1 kristaps 1317: char *p;
1318:
1.119 schwarze 1319: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1320:
1.43 kristaps 1321: /*
1322: * The opening of an explicit macro having zero or more leading
1323: * punctuation nodes; a head with optional single element (the
1324: * case of `Eo'); and a body that may be empty.
1325: */
1.32 kristaps 1326:
1.150 schwarze 1327: mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.43 kristaps 1328: for (head = body = NULL; ; ) {
1.32 kristaps 1329: la = *pos;
1.119 schwarze 1330: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1331: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1332: break;
1.43 kristaps 1333:
1334: /* Flush out leading punctuation. */
1335:
1.150 schwarze 1336: if (head == NULL && ac != ARGS_QWORD &&
1337: mdoc_isdelim(p) == DELIM_OPEN) {
1.43 kristaps 1338: assert(NULL == body);
1.150 schwarze 1339: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1340: continue;
1.123 schwarze 1341: }
1.43 kristaps 1342:
1.150 schwarze 1343: if (head == NULL) {
1344: assert(body == NULL);
1345: head = mdoc_head_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1346: }
1347:
1.43 kristaps 1348: /*
1349: * `Eo' gobbles any data into the head, but most other
1350: * macros just immediately close out and begin the body.
1351: */
1352:
1.150 schwarze 1353: if (body == NULL) {
1.43 kristaps 1354: assert(head);
1355: /* No check whether it's a macro! */
1.150 schwarze 1356: if (tok == MDOC_Eo)
1357: dword(mdoc, line, la, p, DELIM_MAX, 0);
1358: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1359: body = mdoc_body_alloc(mdoc, line, ppos, tok);
1360: if (tok == MDOC_Eo)
1.43 kristaps 1361: continue;
1.1 kristaps 1362: }
1.150 schwarze 1363: assert(head != NULL && body != NULL);
1.43 kristaps 1364:
1.153 ! schwarze 1365: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1366: break;
1.1 kristaps 1367: }
1368:
1.43 kristaps 1369: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1370:
1.150 schwarze 1371: if (head == NULL)
1372: mdoc_head_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1373:
1.150 schwarze 1374: if (body == NULL) {
1375: rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
1376: mdoc_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1377: }
1.150 schwarze 1378: if (nl)
1379: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1380: }
1381:
1.151 schwarze 1382: static void
1.1 kristaps 1383: in_line_argn(MACRO_PROT_ARGS)
1384: {
1.60 kristaps 1385: int la, flushed, j, maxargs, nl;
1.55 kristaps 1386: enum margserr ac;
1.53 kristaps 1387: struct mdoc_arg *arg;
1388: char *p;
1389: enum mdoct ntok;
1.1 kristaps 1390:
1.119 schwarze 1391: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1392:
1.46 kristaps 1393: /*
1394: * A line macro that has a fixed number of arguments (maxargs).
1395: * Only open the scope once the first non-leading-punctuation is
1396: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1397: * keep it open until the maximum number of arguments are
1398: * exhausted.
1399: */
1.1 kristaps 1400:
1401: switch (tok) {
1.131 schwarze 1402: case MDOC_Ap:
1.1 kristaps 1403: /* FALLTHROUGH */
1.131 schwarze 1404: case MDOC_Ns:
1.1 kristaps 1405: /* FALLTHROUGH */
1.131 schwarze 1406: case MDOC_Ux:
1.1 kristaps 1407: maxargs = 0;
1408: break;
1.131 schwarze 1409: case MDOC_Bx:
1.101 kristaps 1410: /* FALLTHROUGH */
1.132 schwarze 1411: case MDOC_Es:
1412: /* FALLTHROUGH */
1.131 schwarze 1413: case MDOC_Xr:
1.42 kristaps 1414: maxargs = 2;
1415: break;
1.1 kristaps 1416: default:
1417: maxargs = 1;
1418: break;
1419: }
1420:
1.152 schwarze 1421: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1422:
1.46 kristaps 1423: for (flushed = j = 0; ; ) {
1.32 kristaps 1424: la = *pos;
1.119 schwarze 1425: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1426: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1427: break;
1428:
1.150 schwarze 1429: if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1430: ac != ARGS_QWORD && j == 0 &&
1431: mdoc_isdelim(p) == DELIM_OPEN) {
1432: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.46 kristaps 1433: continue;
1.150 schwarze 1434: } else if (j == 0)
1435: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.46 kristaps 1436:
1437: if (j == maxargs && ! flushed) {
1.149 schwarze 1438: rew_elem(mdoc, tok);
1.46 kristaps 1439: flushed = 1;
1440: }
1441:
1.150 schwarze 1442: ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
1.54 kristaps 1443:
1.150 schwarze 1444: if (ntok != MDOC_MAX) {
1.149 schwarze 1445: if ( ! flushed)
1446: rew_elem(mdoc, tok);
1.1 kristaps 1447: flushed = 1;
1.151 schwarze 1448: mdoc_macro(mdoc, ntok, line, la, pos, buf);
1.46 kristaps 1449: j++;
1.1 kristaps 1450: break;
1451: }
1452:
1.150 schwarze 1453: if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
1454: ac != ARGS_QWORD && ! flushed &&
1455: mdoc_isdelim(p) != DELIM_NONE) {
1.149 schwarze 1456: rew_elem(mdoc, tok);
1.1 kristaps 1457: flushed = 1;
1458: }
1.42 kristaps 1459:
1.150 schwarze 1460: dword(mdoc, line, la, p, DELIM_MAX,
1461: MDOC_JOIN & mdoc_macros[tok].flags);
1.46 kristaps 1462: j++;
1.1 kristaps 1463: }
1464:
1.150 schwarze 1465: if (j == 0)
1466: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 1467: if ( ! flushed)
1468: rew_elem(mdoc, tok);
1.150 schwarze 1469: if (nl)
1470: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1471: }
1472:
1.151 schwarze 1473: static void
1.1 kristaps 1474: in_line_eoln(MACRO_PROT_ARGS)
1475: {
1.56 kristaps 1476: int la;
1.53 kristaps 1477: struct mdoc_arg *arg;
1.1 kristaps 1478:
1.90 schwarze 1479: if (tok == MDOC_Pp)
1.119 schwarze 1480: rew_sub(MDOC_BLOCK, mdoc, MDOC_Nm, line, ppos);
1.90 schwarze 1481:
1.152 schwarze 1482: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1483: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.1 kristaps 1484:
1485: for (;;) {
1486: la = *pos;
1.153 ! schwarze 1487: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.1 kristaps 1488: break;
1.153 ! schwarze 1489: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1490: return;
1.1 kristaps 1491: }
1.149 schwarze 1492: rew_elem(mdoc, tok);
1.1 kristaps 1493: }
1494:
1.151 schwarze 1495: static void
1.41 kristaps 1496: ctx_synopsis(MACRO_PROT_ARGS)
1497: {
1.60 kristaps 1498:
1.151 schwarze 1499: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1500: in_line(mdoc, tok, line, ppos, pos, buf);
1501: else if (tok == MDOC_Nm)
1502: blk_full(mdoc, tok, line, ppos, pos, buf);
1503: else {
1504: assert(tok == MDOC_Vt);
1505: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1506: }
1.1 kristaps 1507: }
1508:
1.24 kristaps 1509: /*
1510: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1511: * They're unusual because they're basically free-form text until a
1512: * macro is encountered.
1513: */
1.151 schwarze 1514: static void
1.153 ! schwarze 1515: phrase(struct mdoc *mdoc, int line, int *pos, char *buf)
1.1 kristaps 1516: {
1.153 ! schwarze 1517: int la;
1.1 kristaps 1518:
1.153 ! schwarze 1519: do
! 1520: la = *pos;
! 1521: while (mdoc_args(mdoc, line, pos, buf, MDOC_MAX, NULL) != ARGS_EOLN &&
! 1522: !macro_or_word(mdoc, MDOC_MAX, line, la, pos, buf, 1));
1.1 kristaps 1523: }
1.24 kristaps 1524:
1.151 schwarze 1525: static void
1.75 kristaps 1526: phrase_ta(MACRO_PROT_ARGS)
1527: {
1.121 schwarze 1528: struct mdoc_node *n;
1.75 kristaps 1529:
1.121 schwarze 1530: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1531:
1.121 schwarze 1532: n = mdoc->last;
1.151 schwarze 1533: while (n != NULL && n->tok != MDOC_Bl)
1.121 schwarze 1534: n = n->parent;
1.151 schwarze 1535: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.137 schwarze 1536: mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
1.139 schwarze 1537: line, ppos, "Ta");
1.151 schwarze 1538: return;
1.121 schwarze 1539: }
1.75 kristaps 1540:
1.121 schwarze 1541: /* Advance to the next column. */
1.150 schwarze 1542:
1543: rew_sub(MDOC_BODY, mdoc, MDOC_It, line, ppos);
1544: mdoc_body_alloc(mdoc, line, ppos, MDOC_It);
1.153 ! schwarze 1545: phrase(mdoc, line, pos, buf);
1.75 kristaps 1546: }
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