Annotation of mandoc/roff.c, Revision 1.8
1.8 ! kristaps 1: /* $Id: roff.c,v 1.7 2008/11/26 21:42:59 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the
7: * above copyright notice and this permission notice appear in all
8: * copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11: * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12: * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13: * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14: * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15: * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16: * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17: * PERFORMANCE OF THIS SOFTWARE.
18: */
19: #include <assert.h>
20: #include <ctype.h>
21: #include <err.h>
22: #include <stdlib.h>
23: #include <stdio.h>
24: #include <string.h>
25: #include <time.h>
26:
27: #include "libmdocml.h"
28: #include "private.h"
29:
1.6 kristaps 30: /* FIXME: warn if Pp occurs before/after Sh etc. (see mdoc.samples). */
31:
1.7 kristaps 32: /* FIXME: warn about "X section only" macros. */
33:
1.6 kristaps 34: /* FIXME: warn about empty lists. */
35:
1.7 kristaps 36: /* FIXME: ; : } ) (etc.) after text macros? */
37:
1.1 kristaps 38: #define ROFF_MAXARG 10
39:
40: enum roffd {
41: ROFF_ENTER = 0,
42: ROFF_EXIT
43: };
44:
45: enum rofftype {
46: ROFF_COMMENT,
47: ROFF_TEXT,
48: ROFF_LAYOUT
49: };
50:
51: #define ROFFCALL_ARGS \
1.2 kristaps 52: int tok, struct rofftree *tree, \
53: const char *argv[], enum roffd type
1.1 kristaps 54:
55: struct rofftree;
56:
57: struct rofftok {
1.5 kristaps 58: int (*cb)(ROFFCALL_ARGS); /* Callback. */
59: const int *args; /* Args (or NULL). */
1.6 kristaps 60: const int *parents;
61: const int *children;
62: int ctx;
1.5 kristaps 63: enum rofftype type; /* Type of macro. */
1.1 kristaps 64: int flags;
1.7 kristaps 65: #define ROFF_PARSED (1 << 0) /* "Parsed". */
66: #define ROFF_CALLABLE (1 << 1) /* "Callable". */
67: #define ROFF_QUOTES (1 << 2) /* Quoted args. */
1.1 kristaps 68: };
69:
70: struct roffarg {
71: int flags;
1.5 kristaps 72: #define ROFF_VALUE (1 << 0) /* Has a value. */
1.1 kristaps 73: };
74:
75: struct roffnode {
1.5 kristaps 76: int tok; /* Token id. */
77: struct roffnode *parent; /* Parent (or NULL). */
78: size_t line; /* Parsed at line. */
1.1 kristaps 79: };
80:
81: struct rofftree {
1.5 kristaps 82: struct roffnode *last; /* Last parsed node. */
83: time_t date; /* `Dd' results. */
84: char os[64]; /* `Os' results. */
85: char title[64]; /* `Dt' results. */
86: char section[64]; /* `Dt' results. */
87: char volume[64]; /* `Dt' results. */
1.1 kristaps 88: int state;
1.5 kristaps 89: #define ROFF_PRELUDE (1 << 1) /* In roff prelude. */
90: /* FIXME: if we had prev ptrs, this wouldn't be necessary. */
91: #define ROFF_PRELUDE_Os (1 << 2) /* `Os' is parsed. */
92: #define ROFF_PRELUDE_Dt (1 << 3) /* `Dt' is parsed. */
93: #define ROFF_PRELUDE_Dd (1 << 4) /* `Dd' is parsed. */
94: #define ROFF_BODY (1 << 5) /* In roff body. */
95: struct md_mbuf *mbuf; /* Output (or NULL). */
96: const struct md_args *args; /* Global args. */
97: const struct md_rbuf *rbuf; /* Input. */
1.6 kristaps 98: const struct roffcb *cb;
1.1 kristaps 99: };
100:
101: static int roff_Dd(ROFFCALL_ARGS);
102: static int roff_Dt(ROFFCALL_ARGS);
103: static int roff_Os(ROFFCALL_ARGS);
1.6 kristaps 104:
1.2 kristaps 105: static int roff_layout(ROFFCALL_ARGS);
106: static int roff_text(ROFFCALL_ARGS);
1.6 kristaps 107: static int roff_comment(ROFFCALL_ARGS);
1.1 kristaps 108:
1.4 kristaps 109: static struct roffnode *roffnode_new(int, struct rofftree *);
1.1 kristaps 110: static void roffnode_free(int, struct rofftree *);
111:
1.7 kristaps 112: static int roffscan(int, const int *);
1.1 kristaps 113: static int rofffindtok(const char *);
114: static int rofffindarg(const char *);
1.2 kristaps 115: static int rofffindcallable(const char *);
1.1 kristaps 116: static int roffargs(int, char *, char **);
1.5 kristaps 117: static int roffargok(int, int);
118: static int roffnextopt(int, const char ***, char **);
1.1 kristaps 119: static int roffparse(struct rofftree *, char *, size_t);
120: static int textparse(const struct rofftree *,
121: const char *, size_t);
122:
1.6 kristaps 123:
1.7 kristaps 124: static const int roffarg_An[] = { ROFF_Split, ROFF_Nosplit,
125: ROFF_ARGMAX };
126: static const int roffarg_Bd[] = { ROFF_Ragged, ROFF_Unfilled,
127: ROFF_Literal, ROFF_File, ROFF_Offset, ROFF_ARGMAX };
128: static const int roffarg_Ex[] = { ROFF_Std, ROFF_ARGMAX };
129: static const int roffarg_Rv[] = { ROFF_Std, ROFF_ARGMAX };
130: static const int roffarg_Bl[] = { ROFF_Bullet, ROFF_Dash,
131: ROFF_Hyphen, ROFF_Item, ROFF_Enum, ROFF_Tag, ROFF_Diag,
132: ROFF_Hang, ROFF_Ohang, ROFF_Inset, ROFF_Column, ROFF_Offset,
133: ROFF_ARGMAX };
134: static const int roffarg_St[] = {
135: ROFF_p1003_1_88, ROFF_p1003_1_90, ROFF_p1003_1_96,
136: ROFF_p1003_1_2001, ROFF_p1003_1_2004, ROFF_p1003_1,
137: ROFF_p1003_1b, ROFF_p1003_1b_93, ROFF_p1003_1c_95,
138: ROFF_p1003_1g_2000, ROFF_p1003_2_92, ROFF_p1387_2_95,
139: ROFF_p1003_2, ROFF_p1387_2, ROFF_isoC_90, ROFF_isoC_amd1,
140: ROFF_isoC_tcor1, ROFF_isoC_tcor2, ROFF_isoC_99, ROFF_ansiC,
141: ROFF_ansiC_89, ROFF_ansiC_99, ROFF_ieee754, ROFF_iso8802_3,
142: ROFF_xpg3, ROFF_xpg4, ROFF_xpg4_2, ROFF_xpg4_3, ROFF_xbd5,
143: ROFF_xcu5, ROFF_xsh5, ROFF_xns5, ROFF_xns5_2d2_0,
144: ROFF_xcurses4_2, ROFF_susv2, ROFF_susv3, ROFF_svid4,
145: ROFF_ARGMAX };
1.5 kristaps 146:
1.8 ! kristaps 147: static const int roffchild_Bd[] = { ROFF_Ed, ROFF_MAX };
1.6 kristaps 148: static const int roffchild_Bl[] = { ROFF_It, ROFF_El, ROFF_MAX };
1.7 kristaps 149: static const int roffchild_Fo[] = { ROFF_Fa, ROFF_Fc, ROFF_MAX };
1.8 ! kristaps 150: static const int roffchild_Oo[] = { ROFF_Op, ROFF_Oc, ROFF_MAX };
1.6 kristaps 151:
1.8 ! kristaps 152: static const int roffparent_Ed[] = { ROFF_Bd, ROFF_MAX };
1.6 kristaps 153: static const int roffparent_El[] = { ROFF_Bl, ROFF_It, ROFF_MAX };
1.7 kristaps 154: static const int roffparent_Fc[] = { ROFF_Fo, ROFF_Fa, ROFF_MAX };
155: static const int roffparent_Oc[] = { ROFF_Oo, ROFF_Oc, ROFF_MAX };
1.8 ! kristaps 156: static const int roffparent_It[] = { ROFF_Bl, ROFF_It, ROFF_MAX };
1.1 kristaps 157:
1.5 kristaps 158: /* Table of all known tokens. */
1.4 kristaps 159: static const struct rofftok tokens[ROFF_MAX] = {
1.6 kristaps 160: {roff_comment, NULL, NULL, NULL, 0, ROFF_COMMENT, 0 }, /* \" */
161: { roff_Dd, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dd */
162: { roff_Dt, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dt */
163: { roff_Os, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Os */
164: { roff_layout, NULL, NULL, NULL, ROFF_Sh, ROFF_LAYOUT, ROFF_PARSED }, /* Sh */
165: { roff_layout, NULL, NULL, NULL, ROFF_Ss, ROFF_LAYOUT, ROFF_PARSED }, /* Ss */
166: { roff_text, NULL, NULL, NULL, ROFF_Pp, ROFF_TEXT, 0 }, /* Pp */
1.8 ! kristaps 167: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* D1 */
! 168: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Dl */
! 169: { roff_layout, NULL, NULL, roffchild_Bd, 0, ROFF_LAYOUT, 0 }, /* Bd */
! 170: { roff_layout, NULL, roffparent_Ed, NULL, ROFF_Bd, ROFF_LAYOUT, 0 }, /* Ed */
1.7 kristaps 171: { roff_layout, roffarg_Bl, NULL, roffchild_Bl, 0, ROFF_LAYOUT, 0 }, /* Bl */
172: { roff_layout, NULL, roffparent_El, NULL, ROFF_Bl, ROFF_LAYOUT, 0 }, /* El */
173: { roff_layout, NULL, roffparent_It, NULL, ROFF_It, ROFF_LAYOUT, 0 }, /* It */
174: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ad */
175: { roff_text, roffarg_An, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* An */
176: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ar */
177: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_QUOTES }, /* Cd */ /* XXX man.4 only */
178: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Cm */
179: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dv */ /* XXX needs arg */
180: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Er */ /* XXX needs arg */
181: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ev */ /* XXX needs arg */
182: { roff_text, roffarg_Ex, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ex */
183: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fa */ /* XXX needs arg */
184: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Fd */
185: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fl */
186: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fn */ /* XXX needs arg */ /* FIXME */
187: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ft */
188: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ic */ /* XXX needs arg */
189: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* In */
190: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Li */
1.8 ! kristaps 191: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Nd */ /* FIXME */
! 192: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Nm */ /* FIXME */
1.7 kristaps 193: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Op */
1.8 ! kristaps 194: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ot */ /* XXX deprecated */
1.7 kristaps 195: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pa */
196: { roff_text, roffarg_Rv, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Rv */
197: { roff_text, roffarg_St, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* St */
198: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Va */
199: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Vt */ /* XXX needs arg */
200: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xr */ /* XXX needs arg */
1.6 kristaps 201: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %A */
202: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %B */
203: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %D */
204: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %I */
205: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %J */
206: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %N */
207: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %O */
208: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %P */
209: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %R */
210: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %T */
211: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %V */
212: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ac */
213: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ao */
214: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Aq */
1.7 kristaps 215: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* At */ /* XXX at most 2 args */
1.6 kristaps 216: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bc */
1.7 kristaps 217: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Bf */ /* FIXME */
1.6 kristaps 218: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bo */
219: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bq */
1.7 kristaps 220: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bsx */
221: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bx */
1.8 ! kristaps 222: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Db */ /* XXX */
1.6 kristaps 223: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dc */
224: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Do */
1.8 ! kristaps 225: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dq */
1.6 kristaps 226: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ec */
1.7 kristaps 227: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ef */ /* FIXME */
228: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Em */ /* XXX needs arg */
1.6 kristaps 229: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Eo */
1.7 kristaps 230: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Fx */
1.6 kristaps 231: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ms */
232: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* No */
233: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ns */
1.7 kristaps 234: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Nx */
235: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ox */
1.6 kristaps 236: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pc */
1.8 ! kristaps 237: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Pf */
1.6 kristaps 238: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Po */
1.8 ! kristaps 239: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pq */
1.6 kristaps 240: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qc */
1.8 ! kristaps 241: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ql */
1.6 kristaps 242: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qo */
1.8 ! kristaps 243: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qq */
1.6 kristaps 244: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Re */
245: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Rs */
246: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sc */
247: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* So */
1.8 ! kristaps 248: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sq */
1.6 kristaps 249: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Sm */
1.8 ! kristaps 250: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sx */
! 251: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_QUOTES }, /* Sy */
! 252: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Tn */
1.7 kristaps 253: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ux */
1.6 kristaps 254: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xc */
255: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xo */
1.7 kristaps 256: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Fo */
257: { roff_layout, NULL, roffparent_Fc, NULL, ROFF_Fo, ROFF_LAYOUT, 0 }, /* Fc */
258: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Oo */
259: { roff_layout, NULL, roffparent_Oc, NULL, ROFF_Oo, ROFF_LAYOUT, 0 }, /* Oc */
1.1 kristaps 260: };
261:
1.5 kristaps 262: /* Table of all known token arguments. */
1.4 kristaps 263: static const struct roffarg tokenargs[ROFF_ARGMAX] = {
1.5 kristaps 264: { 0 }, /* split */
265: { 0 }, /* nosplit */
266: { 0 }, /* ragged */
267: { 0 }, /* unfilled */
268: { 0 }, /* literal */
269: { ROFF_VALUE }, /* file */
270: { ROFF_VALUE }, /* offset */
271: { 0 }, /* bullet */
272: { 0 }, /* dash */
273: { 0 }, /* hyphen */
274: { 0 }, /* item */
275: { 0 }, /* enum */
276: { 0 }, /* tag */
277: { 0 }, /* diag */
278: { 0 }, /* hang */
279: { 0 }, /* ohang */
280: { 0 }, /* inset */
281: { 0 }, /* column */
282: { 0 }, /* width */
283: { 0 }, /* compact */
1.1 kristaps 284: };
285:
1.5 kristaps 286: const char *const toknamesp[ROFF_MAX] =
287: {
1.8 ! kristaps 288: "\\\"", "Dd", "Dt", "Os",
! 289: "Sh", "Ss", "Pp", "D1",
! 290: "Dl", "Bd", "Ed", "Bl",
! 291: "El", "It", "Ad", "An",
! 292: "Ar", "Cd", "Cm", "Dv",
! 293: "Er", "Ev", "Ex", "Fa",
! 294: "Fd", "Fl", "Fn", "Ft",
! 295: "Ic", "In", "Li", "Nd",
! 296: "Nm", "Op", "Ot", "Pa",
! 297: "Rv", "St", "Va", "Vt",
! 298: "Xr", "\%A", "\%B", "\%D",
! 299: "\%I", "\%J", "\%N", "\%O",
! 300: "\%P", "\%R", "\%T", "\%V",
! 301: "Ac", "Ao", "Aq", "At",
! 302: "Bc", "Bf", "Bo", "Bq",
! 303: "Bsx", "Bx", "Db", "Dc",
! 304: "Do", "Dq", "Ec", "Ef",
! 305: "Em", "Eo", "Fx", "Ms",
! 306: "No", "Ns", "Nx", "Ox",
! 307: "Pc", "Pf", "Po", "Pq",
! 308: "Qc", "Ql", "Qo", "Qq",
! 309: "Re", "Rs", "Sc", "So",
! 310: "Sq", "Sm", "Sx", "Sy",
! 311: "Tn", "Ux", "Xc", "Xo",
! 312: "Fo", "Fc", "Oo", "Oc"
1.5 kristaps 313: };
314:
315: const char *const tokargnamesp[ROFF_ARGMAX] =
316: {
1.8 ! kristaps 317: "split", "nosplit", "ragged",
! 318: "unfilled", "literal", "file",
! 319: "offset", "bullet", "dash",
! 320: "hyphen", "item", "enum",
! 321: "tag", "diag", "hang",
! 322: "ohang", "inset", "column",
! 323: "width", "compact", "std",
! 324: "-p1003.1-88", "-p1003.1-90", "-p1003.1-96",
! 325: "-p1003.1-2001", "-p1003.1-2004", "-p1003.1",
! 326: "-p1003.1b", "-p1003.1b-93", "-p1003.1c-95",
! 327: "-p1003.1g-2000", "-p1003.2-92", "-p1387.2-95",
! 328: "-p1003.2", "-p1387.2", "-isoC-90",
! 329: "-isoC-amd1", "-isoC-tcor1", "-isoC-tcor2",
! 330: "-isoC-99", "-ansiC", "-ansiC-89",
! 331: "-ansiC-99", "-ieee754", "-iso8802-3",
! 332: "-xpg3", "-xpg4", "-xpg4.2",
! 333: "-xpg4.3", "-xbd5", "-xcu5",
! 334: "-xsh5", "-xns5", "-xns5.2d2.0",
! 335: "-xcurses4.2", "-susv2", "-susv3",
! 336: "-svid4"
1.5 kristaps 337: };
338:
339: const char *const *toknames = toknamesp;
340: const char *const *tokargnames = tokargnamesp;
1.4 kristaps 341:
1.1 kristaps 342:
343: int
344: roff_free(struct rofftree *tree, int flush)
345: {
346: int error;
347:
348: assert(tree->mbuf);
349: if ( ! flush)
350: tree->mbuf = NULL;
351:
352: /* LINTED */
353: while (tree->last)
354: if ( ! (*tokens[tree->last->tok].cb)
1.2 kristaps 355: (tree->last->tok, tree, NULL, ROFF_EXIT))
1.1 kristaps 356: /* Disallow flushing. */
357: tree->mbuf = NULL;
358:
359: error = tree->mbuf ? 0 : 1;
360:
361: if (tree->mbuf && (ROFF_PRELUDE & tree->state)) {
362: warnx("%s: prelude never finished",
363: tree->rbuf->name);
364: error = 1;
365: }
366:
367: free(tree);
368: return(error ? 0 : 1);
369: }
370:
371:
372: struct rofftree *
373: roff_alloc(const struct md_args *args, struct md_mbuf *out,
1.6 kristaps 374: const struct md_rbuf *in, const struct roffcb *cb)
1.1 kristaps 375: {
376: struct rofftree *tree;
377:
378: if (NULL == (tree = calloc(1, sizeof(struct rofftree)))) {
379: warn("malloc");
380: return(NULL);
381: }
382:
383: tree->state = ROFF_PRELUDE;
384: tree->args = args;
385: tree->mbuf = out;
386: tree->rbuf = in;
1.6 kristaps 387: tree->cb = cb;
1.1 kristaps 388:
389: return(tree);
390: }
391:
392:
393: int
394: roff_engine(struct rofftree *tree, char *buf, size_t sz)
395: {
396:
397: if (0 == sz) {
398: warnx("%s: blank line (line %zu)",
399: tree->rbuf->name,
400: tree->rbuf->line);
401: return(0);
402: } else if ('.' != *buf)
403: return(textparse(tree, buf, sz));
404:
405: return(roffparse(tree, buf, sz));
406: }
407:
408:
409: static int
410: textparse(const struct rofftree *tree, const char *buf, size_t sz)
411: {
412:
413: if (NULL == tree->last) {
414: warnx("%s: unexpected text (line %zu)",
415: tree->rbuf->name,
416: tree->rbuf->line);
417: return(0);
418: } else if (NULL == tree->last->parent) {
419: warnx("%s: disallowed text (line %zu)",
420: tree->rbuf->name,
421: tree->rbuf->line);
422: return(0);
423: }
424:
425: /* Print text. */
426:
427: return(1);
428: }
429:
430:
431: static int
432: roffargs(int tok, char *buf, char **argv)
433: {
434: int i;
435:
436: (void)tok;/* FIXME: quotable strings? */
437:
438: assert(tok >= 0 && tok < ROFF_MAX);
439: assert('.' == *buf);
440:
441: /* LINTED */
442: for (i = 0; *buf && i < ROFF_MAXARG; i++) {
443: argv[i] = buf++;
444: while (*buf && ! isspace(*buf))
445: buf++;
446: if (0 == *buf) {
447: continue;
448: }
449: *buf++ = 0;
450: while (*buf && isspace(*buf))
451: buf++;
452: }
453:
454: assert(i > 0);
455: if (i < ROFF_MAXARG)
456: argv[i] = NULL;
457:
458: return(ROFF_MAXARG > i);
459: }
460:
461:
1.6 kristaps 462: /* XXX */
463: static int
464: roffscan(int tok, const int *tokv)
465: {
1.7 kristaps 466:
1.6 kristaps 467: if (NULL == tokv)
468: return(1);
469:
1.7 kristaps 470: for ( ; ROFF_MAX != *tokv; tokv++)
1.6 kristaps 471: if (tok == *tokv)
472: return(1);
473:
474: return(0);
475: }
476:
477:
1.1 kristaps 478: static int
479: roffparse(struct rofftree *tree, char *buf, size_t sz)
480: {
481: int tok, t;
1.6 kristaps 482: struct roffnode *n;
1.1 kristaps 483: char *argv[ROFF_MAXARG];
484: const char **argvp;
485:
486: assert(sz > 0);
487:
1.6 kristaps 488: if (ROFF_MAX == (tok = rofffindtok(buf + 1))) {
489: warnx("%s: unknown line macro (line %zu)",
490: tree->rbuf->name, tree->rbuf->line);
491: return(0);
492: } else if (NULL == tokens[tok].cb) {
493: warnx("%s: macro `%s' not supported (line %zu)",
494: tree->rbuf->name, toknames[tok],
1.1 kristaps 495: tree->rbuf->line);
496: return(0);
1.6 kristaps 497: } else if (ROFF_COMMENT == tokens[tok].type)
498: return(1);
1.5 kristaps 499:
1.6 kristaps 500: if ( ! roffargs(tok, buf, argv)) {
501: warnx("%s: too many args to `%s' (line %zu)",
502: tree->rbuf->name, toknames[tok],
1.1 kristaps 503: tree->rbuf->line);
504: return(0);
1.6 kristaps 505: } else
506: argvp = (const char **)argv + 1;
507:
508: /*
509: * Prelude macros break some assumptions: branch now.
510: */
1.1 kristaps 511:
1.6 kristaps 512: if (ROFF_PRELUDE & tree->state) {
513: assert(NULL == tree->last);
514: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
515: } else
516: assert(tree->last);
517:
518: assert(ROFF_BODY & tree->state);
519:
520: /*
521: * First check that our possible parents and parent's possible
522: * children are satisfied.
523: */
524:
525: if ( ! roffscan(tree->last->tok, tokens[tok].parents)) {
526: warnx("%s: invalid parent `%s' for `%s' (line %zu)",
527: tree->rbuf->name,
528: toknames[tree->last->tok],
529: toknames[tok], tree->rbuf->line);
530: return(0);
531: }
532:
533: if ( ! roffscan(tok, tokens[tree->last->tok].children)) {
534: warnx("%s: invalid child `%s' for `%s' (line %zu)",
1.4 kristaps 535: tree->rbuf->name, toknames[tok],
1.6 kristaps 536: toknames[tree->last->tok],
1.1 kristaps 537: tree->rbuf->line);
538: return(0);
539: }
540:
541: /*
1.6 kristaps 542: * Branch if we're not a layout token.
1.1 kristaps 543: */
544:
1.6 kristaps 545: if (ROFF_LAYOUT != tokens[tok].type)
546: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 547:
1.6 kristaps 548: /*
549: * Check our scope rules.
550: */
1.1 kristaps 551:
1.6 kristaps 552: if (0 == tokens[tok].ctx)
553: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 554:
1.6 kristaps 555: if (tok == tokens[tok].ctx) {
556: for (n = tree->last; n; n = n->parent) {
557: assert(0 == tokens[n->tok].ctx ||
558: n->tok == tokens[n->tok].ctx);
559: if (n->tok == tok)
560: break;
561: }
562: if (NULL == n) {
563: #ifdef DEBUG
564: (void)printf("scope: new `%s'\n",
565: toknames[tok]);
566: #endif
567: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 568: }
569: do {
570: t = tree->last->tok;
1.6 kristaps 571: #ifdef DEBUG
572: (void)printf("scope: closing `%s'\n",
573: toknames[t]);
574: #endif
575: if ( ! (*tokens[t].cb)(t, tree, NULL, ROFF_EXIT))
1.1 kristaps 576: return(0);
577: } while (t != tok);
1.6 kristaps 578:
579: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 580: }
581:
1.6 kristaps 582: assert(tok != tokens[tok].ctx && 0 != tokens[tok].ctx);
583:
584: do {
585: t = tree->last->tok;
586: #ifdef DEBUG
587: (void)printf("scope: closing `%s'\n", toknames[t]);
588: #endif
589: if ( ! (*tokens[t].cb)(t, tree, NULL, ROFF_EXIT))
590: return(0);
591: } while (t != tokens[tok].ctx);
1.1 kristaps 592:
1.2 kristaps 593: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 594: }
595:
596:
597: static int
598: rofffindarg(const char *name)
599: {
600: size_t i;
601:
602: /* FIXME: use a table, this is slow but ok for now. */
603:
604: /* LINTED */
605: for (i = 0; i < ROFF_ARGMAX; i++)
606: /* LINTED */
1.4 kristaps 607: if (0 == strcmp(name, tokargnames[i]))
1.1 kristaps 608: return((int)i);
609:
610: return(ROFF_ARGMAX);
611: }
612:
613:
614: static int
1.6 kristaps 615: rofffindtok(const char *buf)
1.1 kristaps 616: {
1.6 kristaps 617: char token[4];
1.1 kristaps 618: size_t i;
619:
1.6 kristaps 620: for (i = 0; *buf && ! isspace(*buf) && i < 3; i++, buf++)
621: token[i] = *buf;
622:
623: if (i == 3) {
624: #ifdef DEBUG
625: (void)printf("lookup: macro too long: `%s'\n", buf);
626: #endif
627: return(ROFF_MAX);
628: }
629:
630: token[i] = 0;
631:
1.1 kristaps 632: /* FIXME: use a table, this is slow but ok for now. */
633:
634: /* LINTED */
635: for (i = 0; i < ROFF_MAX; i++)
636: /* LINTED */
1.7 kristaps 637: if (0 == strcmp(toknames[i], token)) {
638: #ifdef DEBUG
639: (void)printf("lookup (good): `%s' (%d)\n",
640: token, (int)i);
641: #endif
1.1 kristaps 642: return((int)i);
1.7 kristaps 643: }
644:
645: #ifdef DEBUG
646: (void)printf("lookup (bad): `%s'\n", token);
647: #endif
1.1 kristaps 648:
649: return(ROFF_MAX);
650: }
651:
652:
1.2 kristaps 653: static int
654: rofffindcallable(const char *name)
655: {
656: int c;
657:
658: if (ROFF_MAX == (c = rofffindtok(name)))
659: return(ROFF_MAX);
1.8 ! kristaps 660: assert(c >= 0 && c < ROFF_MAX);
1.2 kristaps 661: return(ROFF_CALLABLE & tokens[c].flags ? c : ROFF_MAX);
662: }
663:
664:
1.1 kristaps 665: static struct roffnode *
1.4 kristaps 666: roffnode_new(int tokid, struct rofftree *tree)
1.1 kristaps 667: {
668: struct roffnode *p;
669:
670: if (NULL == (p = malloc(sizeof(struct roffnode)))) {
671: warn("malloc");
672: return(NULL);
673: }
674:
1.4 kristaps 675: p->line = tree->rbuf->line;
1.1 kristaps 676: p->tok = tokid;
677: p->parent = tree->last;
678: tree->last = p;
679: return(p);
680: }
681:
682:
1.5 kristaps 683: static int
684: roffargok(int tokid, int argid)
685: {
686: const int *c;
687:
688: if (NULL == (c = tokens[tokid].args))
689: return(0);
690:
691: for ( ; ROFF_ARGMAX != *c; c++)
692: if (argid == *c)
693: return(1);
694:
695: return(0);
696: }
697:
698:
1.1 kristaps 699: static void
700: roffnode_free(int tokid, struct rofftree *tree)
701: {
702: struct roffnode *p;
703:
704: assert(tree->last);
705: assert(tree->last->tok == tokid);
706:
707: p = tree->last;
708: tree->last = tree->last->parent;
709: free(p);
710: }
711:
712:
1.6 kristaps 713: static int
714: roffnextopt(int tok, const char ***in, char **val)
715: {
716: const char *arg, **argv;
717: int v;
718:
719: *val = NULL;
720: argv = *in;
721: assert(argv);
722:
723: if (NULL == (arg = *argv))
724: return(-1);
725: if ('-' != *arg)
726: return(-1);
727:
728: /* FIXME: should we let this slide... ? */
729:
730: if (ROFF_ARGMAX == (v = rofffindarg(&arg[1])))
731: return(-1);
732:
733: /* FIXME: should we let this slide... ? */
734:
735: if ( ! roffargok(tok, v))
736: return(-1);
737: if ( ! (ROFF_VALUE & tokenargs[v].flags))
738: return(v);
739:
740: *in = ++argv;
741:
742: /* FIXME: what if this looks like a roff token or argument? */
743:
744: return(*argv ? v : ROFF_ARGMAX);
745: }
746:
747:
1.1 kristaps 748: /* ARGSUSED */
749: static int
750: roff_Dd(ROFFCALL_ARGS)
751: {
752:
1.4 kristaps 753: if (ROFF_BODY & tree->state) {
754: assert( ! (ROFF_PRELUDE & tree->state));
755: assert(ROFF_PRELUDE_Dd & tree->state);
756: return(roff_text(tok, tree, argv, type));
757: }
758:
1.1 kristaps 759: assert(ROFF_PRELUDE & tree->state);
1.4 kristaps 760: assert( ! (ROFF_BODY & tree->state));
761:
1.6 kristaps 762: if (ROFF_PRELUDE_Dd & tree->state) {
763: warnx("%s: prelude `Dd' repeated (line %zu)",
764: tree->rbuf->name, tree->rbuf->line);
765: return(0);
766: } else if (ROFF_PRELUDE_Dt & tree->state) {
1.1 kristaps 767: warnx("%s: prelude `Dd' out-of-order (line %zu)",
768: tree->rbuf->name, tree->rbuf->line);
769: return(0);
770: }
771:
1.4 kristaps 772: /* TODO: parse date. */
773:
1.1 kristaps 774: assert(NULL == tree->last);
775: tree->state |= ROFF_PRELUDE_Dd;
776:
777: return(1);
778: }
779:
780:
781: /* ARGSUSED */
782: static int
783: roff_Dt(ROFFCALL_ARGS)
784: {
785:
1.4 kristaps 786: if (ROFF_BODY & tree->state) {
787: assert( ! (ROFF_PRELUDE & tree->state));
788: assert(ROFF_PRELUDE_Dt & tree->state);
789: return(roff_text(tok, tree, argv, type));
790: }
791:
1.1 kristaps 792: assert(ROFF_PRELUDE & tree->state);
1.4 kristaps 793: assert( ! (ROFF_BODY & tree->state));
794:
1.6 kristaps 795: if ( ! (ROFF_PRELUDE_Dd & tree->state)) {
1.1 kristaps 796: warnx("%s: prelude `Dt' out-of-order (line %zu)",
797: tree->rbuf->name, tree->rbuf->line);
798: return(0);
1.6 kristaps 799: } else if (ROFF_PRELUDE_Dt & tree->state) {
800: warnx("%s: prelude `Dt' repeated (line %zu)",
801: tree->rbuf->name, tree->rbuf->line);
802: return(0);
1.1 kristaps 803: }
804:
1.4 kristaps 805: /* TODO: parse date. */
806:
1.1 kristaps 807: assert(NULL == tree->last);
808: tree->state |= ROFF_PRELUDE_Dt;
809:
810: return(1);
811: }
812:
813:
814: /* ARGSUSED */
815: static int
816: roff_Os(ROFFCALL_ARGS)
817: {
818:
819: if (ROFF_EXIT == type) {
1.4 kristaps 820: assert(ROFF_PRELUDE_Os & tree->state);
821: return(roff_layout(tok, tree, argv, type));
822: } else if (ROFF_BODY & tree->state) {
823: assert( ! (ROFF_PRELUDE & tree->state));
824: assert(ROFF_PRELUDE_Os & tree->state);
825: return(roff_text(tok, tree, argv, type));
826: }
1.1 kristaps 827:
828: assert(ROFF_PRELUDE & tree->state);
829: if ( ! (ROFF_PRELUDE_Dt & tree->state) ||
830: ! (ROFF_PRELUDE_Dd & tree->state)) {
831: warnx("%s: prelude `Os' out-of-order (line %zu)",
832: tree->rbuf->name, tree->rbuf->line);
833: return(0);
834: }
835:
1.4 kristaps 836: /* TODO: extract OS. */
1.1 kristaps 837:
838: tree->state |= ROFF_PRELUDE_Os;
839: tree->state &= ~ROFF_PRELUDE;
840: tree->state |= ROFF_BODY;
841:
1.4 kristaps 842: assert(NULL == tree->last);
843:
844: return(roff_layout(tok, tree, argv, type));
1.1 kristaps 845: }
846:
847:
848: /* ARGSUSED */
849: static int
1.2 kristaps 850: roff_layout(ROFFCALL_ARGS)
1.1 kristaps 851: {
1.2 kristaps 852: int i, c, argcp[ROFF_MAXARG];
853: char *v, *argvp[ROFF_MAXARG];
1.1 kristaps 854:
1.4 kristaps 855: if (ROFF_PRELUDE & tree->state) {
856: warnx("%s: macro `%s' called in prelude (line %zu)",
1.5 kristaps 857: tree->rbuf->name,
858: toknames[tok],
1.4 kristaps 859: tree->rbuf->line);
860: return(0);
861: }
862:
1.2 kristaps 863: if (ROFF_EXIT == type) {
864: roffnode_free(tok, tree);
1.6 kristaps 865: return((*tree->cb->roffblkout)(tok));
1.2 kristaps 866: }
1.1 kristaps 867:
1.2 kristaps 868: i = 0;
1.5 kristaps 869:
870: while (-1 != (c = roffnextopt(tok, &argv, &v))) {
1.2 kristaps 871: if (ROFF_ARGMAX == c) {
1.5 kristaps 872: warnx("%s: error parsing `%s' args (line %zu)",
873: tree->rbuf->name,
874: toknames[tok],
875: tree->rbuf->line);
876: return(0);
877: } else if ( ! roffargok(tok, c)) {
878: warnx("%s: arg `%s' not for `%s' (line %zu)",
1.1 kristaps 879: tree->rbuf->name,
1.5 kristaps 880: tokargnames[c],
1.4 kristaps 881: toknames[tok],
1.1 kristaps 882: tree->rbuf->line);
883: return(0);
884: }
1.2 kristaps 885: argcp[i] = c;
886: argvp[i] = v;
1.5 kristaps 887: i++;
1.1 kristaps 888: argv++;
889: }
890:
1.5 kristaps 891: argcp[i] = ROFF_ARGMAX;
892: argvp[i] = NULL;
893:
1.4 kristaps 894: if (NULL == roffnode_new(tok, tree))
1.2 kristaps 895: return(0);
896:
1.6 kristaps 897: if ( ! (*tree->cb->roffin)(tok, argcp, argvp))
1.2 kristaps 898: return(0);
899:
900: if ( ! (ROFF_PARSED & tokens[tok].flags)) {
901: /* TODO: print all tokens. */
902:
1.6 kristaps 903: if ( ! ((*tree->cb->roffout)(tok)))
1.2 kristaps 904: return(0);
1.6 kristaps 905: return((*tree->cb->roffblkin)(tok));
1.2 kristaps 906: }
907:
1.1 kristaps 908: while (*argv) {
1.8 ! kristaps 909: if (ROFF_MAX != (c = rofffindcallable(*argv))) {
! 910: if (NULL == tokens[c].cb) {
! 911: warnx("%s: macro `%s' not supported "
! 912: "(line %zu)",
! 913: tree->rbuf->name,
! 914: toknames[c],
! 915: tree->rbuf->line);
! 916: return(0);
! 917: }
1.2 kristaps 918: if ( ! (*tokens[c].cb)(c, tree,
919: argv + 1, ROFF_ENTER))
920: return(0);
1.8 ! kristaps 921: }
1.2 kristaps 922: /* TODO: print token. */
923: argv++;
924: }
925:
1.6 kristaps 926: if ( ! ((*tree->cb->roffout)(tok)))
1.2 kristaps 927: return(0);
928:
1.6 kristaps 929: return((*tree->cb->roffblkin)(tok));
1.2 kristaps 930: }
931:
932:
933: /* ARGSUSED */
934: static int
935: roff_text(ROFFCALL_ARGS)
936: {
937: int i, c, argcp[ROFF_MAXARG];
938: char *v, *argvp[ROFF_MAXARG];
939:
1.4 kristaps 940: if (ROFF_PRELUDE & tree->state) {
941: warnx("%s: macro `%s' called in prelude (line %zu)",
1.5 kristaps 942: tree->rbuf->name,
943: toknames[tok],
1.4 kristaps 944: tree->rbuf->line);
945: return(0);
946: }
947:
1.2 kristaps 948: i = 0;
1.5 kristaps 949:
950: while (-1 != (c = roffnextopt(tok, &argv, &v))) {
1.2 kristaps 951: if (ROFF_ARGMAX == c) {
1.5 kristaps 952: warnx("%s: error parsing `%s' args (line %zu)",
1.2 kristaps 953: tree->rbuf->name,
1.4 kristaps 954: toknames[tok],
1.2 kristaps 955: tree->rbuf->line);
956: return(0);
1.5 kristaps 957: }
1.2 kristaps 958: argcp[i] = c;
959: argvp[i] = v;
1.5 kristaps 960: i++;
1.1 kristaps 961: argv++;
962: }
963:
1.5 kristaps 964: argcp[i] = ROFF_ARGMAX;
965: argvp[i] = NULL;
966:
1.6 kristaps 967: if ( ! (*tree->cb->roffin)(tok, argcp, argvp))
1.2 kristaps 968: return(0);
1.1 kristaps 969:
1.2 kristaps 970: if ( ! (ROFF_PARSED & tokens[tok].flags)) {
971: /* TODO: print all tokens. */
1.6 kristaps 972: return((*tree->cb->roffout)(tok));
1.2 kristaps 973: }
1.1 kristaps 974:
1.2 kristaps 975: while (*argv) {
1.8 ! kristaps 976: if (ROFF_MAX != (c = rofffindcallable(*argv))) {
! 977: if (NULL == tokens[c].cb) {
! 978: warnx("%s: macro `%s' not supported "
! 979: "(line %zu)",
! 980: tree->rbuf->name,
! 981: toknames[c],
! 982: tree->rbuf->line);
! 983: return(0);
! 984: }
1.2 kristaps 985: if ( ! (*tokens[c].cb)(c, tree,
986: argv + 1, ROFF_ENTER))
987: return(0);
1.8 ! kristaps 988: }
1.2 kristaps 989: /* TODO: print token. */
990: argv++;
991: }
992:
1.6 kristaps 993: return((*tree->cb->roffout)(tok));
994: }
995:
996:
997: /* ARGUSED */
998: static int
999: roff_comment(ROFFCALL_ARGS)
1000: {
1001:
1002: return(1);
1.1 kristaps 1003: }
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