Annotation of mandoc/roff.c, Revision 1.9
1.9 ! kristaps 1: /* $Id: roff.c,v 1.8 2008/11/26 22:27:08 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. */
1.9 ! kristaps 68: #define ROFF_NOBLKCHILD (1 << 3) /* No blk children. */
1.1 kristaps 69: };
70:
71: struct roffarg {
72: int flags;
1.5 kristaps 73: #define ROFF_VALUE (1 << 0) /* Has a value. */
1.1 kristaps 74: };
75:
76: struct roffnode {
1.5 kristaps 77: int tok; /* Token id. */
78: struct roffnode *parent; /* Parent (or NULL). */
79: size_t line; /* Parsed at line. */
1.1 kristaps 80: };
81:
82: struct rofftree {
1.5 kristaps 83: struct roffnode *last; /* Last parsed node. */
84: time_t date; /* `Dd' results. */
85: char os[64]; /* `Os' results. */
86: char title[64]; /* `Dt' results. */
87: char section[64]; /* `Dt' results. */
88: char volume[64]; /* `Dt' results. */
1.1 kristaps 89: int state;
1.5 kristaps 90: #define ROFF_PRELUDE (1 << 1) /* In roff prelude. */
91: /* FIXME: if we had prev ptrs, this wouldn't be necessary. */
92: #define ROFF_PRELUDE_Os (1 << 2) /* `Os' is parsed. */
93: #define ROFF_PRELUDE_Dt (1 << 3) /* `Dt' is parsed. */
94: #define ROFF_PRELUDE_Dd (1 << 4) /* `Dd' is parsed. */
95: #define ROFF_BODY (1 << 5) /* In roff body. */
96: struct md_mbuf *mbuf; /* Output (or NULL). */
97: const struct md_args *args; /* Global args. */
98: const struct md_rbuf *rbuf; /* Input. */
1.6 kristaps 99: const struct roffcb *cb;
1.1 kristaps 100: };
101:
102: static int roff_Dd(ROFFCALL_ARGS);
103: static int roff_Dt(ROFFCALL_ARGS);
104: static int roff_Os(ROFFCALL_ARGS);
1.6 kristaps 105:
1.2 kristaps 106: static int roff_layout(ROFFCALL_ARGS);
107: static int roff_text(ROFFCALL_ARGS);
1.6 kristaps 108: static int roff_comment(ROFFCALL_ARGS);
1.9 ! kristaps 109: static int roff_close(ROFFCALL_ARGS);
1.1 kristaps 110:
1.4 kristaps 111: static struct roffnode *roffnode_new(int, struct rofftree *);
1.1 kristaps 112: static void roffnode_free(int, struct rofftree *);
113:
1.7 kristaps 114: static int roffscan(int, const int *);
1.1 kristaps 115: static int rofffindtok(const char *);
116: static int rofffindarg(const char *);
1.2 kristaps 117: static int rofffindcallable(const char *);
1.1 kristaps 118: static int roffargs(int, char *, char **);
1.5 kristaps 119: static int roffargok(int, int);
120: static int roffnextopt(int, const char ***, char **);
1.1 kristaps 121: static int roffparse(struct rofftree *, char *, size_t);
122: static int textparse(const struct rofftree *,
123: const char *, size_t);
124:
1.6 kristaps 125:
1.7 kristaps 126: static const int roffarg_An[] = { ROFF_Split, ROFF_Nosplit,
127: ROFF_ARGMAX };
128: static const int roffarg_Bd[] = { ROFF_Ragged, ROFF_Unfilled,
129: ROFF_Literal, ROFF_File, ROFF_Offset, ROFF_ARGMAX };
130: static const int roffarg_Ex[] = { ROFF_Std, ROFF_ARGMAX };
131: static const int roffarg_Rv[] = { ROFF_Std, ROFF_ARGMAX };
132: static const int roffarg_Bl[] = { ROFF_Bullet, ROFF_Dash,
133: ROFF_Hyphen, ROFF_Item, ROFF_Enum, ROFF_Tag, ROFF_Diag,
134: ROFF_Hang, ROFF_Ohang, ROFF_Inset, ROFF_Column, ROFF_Offset,
135: ROFF_ARGMAX };
136: static const int roffarg_St[] = {
137: ROFF_p1003_1_88, ROFF_p1003_1_90, ROFF_p1003_1_96,
138: ROFF_p1003_1_2001, ROFF_p1003_1_2004, ROFF_p1003_1,
139: ROFF_p1003_1b, ROFF_p1003_1b_93, ROFF_p1003_1c_95,
140: ROFF_p1003_1g_2000, ROFF_p1003_2_92, ROFF_p1387_2_95,
141: ROFF_p1003_2, ROFF_p1387_2, ROFF_isoC_90, ROFF_isoC_amd1,
142: ROFF_isoC_tcor1, ROFF_isoC_tcor2, ROFF_isoC_99, ROFF_ansiC,
143: ROFF_ansiC_89, ROFF_ansiC_99, ROFF_ieee754, ROFF_iso8802_3,
144: ROFF_xpg3, ROFF_xpg4, ROFF_xpg4_2, ROFF_xpg4_3, ROFF_xbd5,
145: ROFF_xcu5, ROFF_xsh5, ROFF_xns5, ROFF_xns5_2d2_0,
146: ROFF_xcurses4_2, ROFF_susv2, ROFF_susv3, ROFF_svid4,
147: ROFF_ARGMAX };
1.5 kristaps 148:
1.6 kristaps 149: static const int roffchild_Bl[] = { ROFF_It, ROFF_El, ROFF_MAX };
1.7 kristaps 150: static const int roffchild_Fo[] = { ROFF_Fa, ROFF_Fc, ROFF_MAX };
1.8 kristaps 151: static const int roffchild_Oo[] = { ROFF_Op, ROFF_Oc, ROFF_MAX };
1.9 ! kristaps 152: static const int roffchild_Rs[] = { ROFF_Re, ROFF__A, ROFF__B,
! 153: ROFF__D, ROFF__I, ROFF__J, ROFF__N, ROFF__O, ROFF__P,
! 154: ROFF__R, ROFF__T, ROFF__V, ROFF_MAX };
1.6 kristaps 155:
156: static const int roffparent_El[] = { ROFF_Bl, ROFF_It, ROFF_MAX };
1.7 kristaps 157: static const int roffparent_Fc[] = { ROFF_Fo, ROFF_Fa, ROFF_MAX };
158: static const int roffparent_Oc[] = { ROFF_Oo, ROFF_Oc, ROFF_MAX };
1.8 kristaps 159: static const int roffparent_It[] = { ROFF_Bl, ROFF_It, ROFF_MAX };
1.9 ! kristaps 160: static const int roffparent_Re[] = { ROFF_Rs, ROFF_MAX };
1.1 kristaps 161:
1.5 kristaps 162: /* Table of all known tokens. */
1.4 kristaps 163: static const struct rofftok tokens[ROFF_MAX] = {
1.6 kristaps 164: {roff_comment, NULL, NULL, NULL, 0, ROFF_COMMENT, 0 }, /* \" */
165: { roff_Dd, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dd */
166: { roff_Dt, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dt */
167: { roff_Os, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Os */
168: { roff_layout, NULL, NULL, NULL, ROFF_Sh, ROFF_LAYOUT, ROFF_PARSED }, /* Sh */
169: { roff_layout, NULL, NULL, NULL, ROFF_Ss, ROFF_LAYOUT, ROFF_PARSED }, /* Ss */
170: { roff_text, NULL, NULL, NULL, ROFF_Pp, ROFF_TEXT, 0 }, /* Pp */
1.8 kristaps 171: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* D1 */
172: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Dl */
1.9 ! kristaps 173: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Bd */
! 174: { roff_close, NULL, NULL, NULL, ROFF_Bd, ROFF_LAYOUT, 0 }, /* Ed */
1.7 kristaps 175: { roff_layout, roffarg_Bl, NULL, roffchild_Bl, 0, ROFF_LAYOUT, 0 }, /* Bl */
1.9 ! kristaps 176: { roff_close, NULL, roffparent_El, NULL, ROFF_Bl, ROFF_LAYOUT, 0 }, /* El */
1.7 kristaps 177: { roff_layout, NULL, roffparent_It, NULL, ROFF_It, ROFF_LAYOUT, 0 }, /* It */
178: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ad */
179: { roff_text, roffarg_An, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* An */
180: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ar */
181: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_QUOTES }, /* Cd */ /* XXX man.4 only */
182: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Cm */
183: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dv */ /* XXX needs arg */
184: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Er */ /* XXX needs arg */
185: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ev */ /* XXX needs arg */
186: { roff_text, roffarg_Ex, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ex */
187: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fa */ /* XXX needs arg */
188: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Fd */
189: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fl */
190: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fn */ /* XXX needs arg */ /* FIXME */
191: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ft */
192: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ic */ /* XXX needs arg */
193: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* In */
194: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Li */
1.8 kristaps 195: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Nd */ /* FIXME */
196: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Nm */ /* FIXME */
1.7 kristaps 197: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Op */
1.8 kristaps 198: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ot */ /* XXX deprecated */
1.7 kristaps 199: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pa */
200: { roff_text, roffarg_Rv, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Rv */
201: { roff_text, roffarg_St, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* St */
202: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Va */
203: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Vt */ /* XXX needs arg */
204: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xr */ /* XXX needs arg */
1.9 ! kristaps 205: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %A */
! 206: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %B */
! 207: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %D */
! 208: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %I */
! 209: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %J */
! 210: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %N */
! 211: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %O */
! 212: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %P */
! 213: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %R */
! 214: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %T */
! 215: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %V */
! 216: { roff_close, NULL, NULL, NULL, ROFF_Ao, ROFF_LAYOUT, 0 }, /* Ac */
! 217: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Ao */
! 218: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Aq */
1.7 kristaps 219: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* At */ /* XXX at most 2 args */
1.9 ! kristaps 220: { roff_close, NULL, NULL, NULL, ROFF_Bo, ROFF_LAYOUT, 0 }, /* Bc */
1.7 kristaps 221: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Bf */ /* FIXME */
1.9 ! kristaps 222: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Bo */
1.6 kristaps 223: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bq */
1.7 kristaps 224: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bsx */
225: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bx */
1.8 kristaps 226: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Db */ /* XXX */
1.9 ! kristaps 227: { roff_close, NULL, NULL, NULL, ROFF_Do, ROFF_LAYOUT, 0 }, /* Dc */
! 228: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Do */
1.8 kristaps 229: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dq */
1.9 ! kristaps 230: { roff_close, NULL, NULL, NULL, ROFF_Eo, ROFF_LAYOUT, 0 }, /* Ec */
1.7 kristaps 231: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ef */ /* FIXME */
232: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Em */ /* XXX needs arg */
1.9 ! kristaps 233: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Eo */
1.7 kristaps 234: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Fx */
1.9 ! kristaps 235: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ms */
1.6 kristaps 236: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* No */
237: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ns */
1.7 kristaps 238: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Nx */
239: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ox */
1.9 ! kristaps 240: { roff_close, NULL, NULL, NULL, ROFF_Po, ROFF_LAYOUT, 0 }, /* Pc */
1.8 kristaps 241: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Pf */
1.9 ! kristaps 242: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Po */
1.8 kristaps 243: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pq */
1.9 ! kristaps 244: { roff_close, NULL, NULL, NULL, ROFF_Qo, ROFF_LAYOUT, 0 }, /* Qc */
1.8 kristaps 245: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ql */
1.9 ! kristaps 246: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Qo */
1.8 kristaps 247: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qq */
1.9 ! kristaps 248: { roff_close, NULL, roffparent_Re, NULL, ROFF_Rs, ROFF_LAYOUT, 0 }, /* Re */
! 249: { roff_layout, NULL, NULL, roffchild_Rs, 0, ROFF_LAYOUT, 0 }, /* Rs */
! 250: { roff_close, NULL, NULL, NULL, ROFF_So, ROFF_LAYOUT, 0 }, /* Sc */
! 251: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* So */
1.8 kristaps 252: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sq */
1.6 kristaps 253: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Sm */
1.8 kristaps 254: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sx */
255: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_QUOTES }, /* Sy */
256: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Tn */
1.7 kristaps 257: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ux */
1.6 kristaps 258: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xc */
259: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xo */
1.7 kristaps 260: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Fo */
1.9 ! kristaps 261: { roff_close, NULL, roffparent_Fc, NULL, ROFF_Fo, ROFF_LAYOUT, 0 }, /* Fc */
1.7 kristaps 262: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Oo */
1.9 ! kristaps 263: { roff_close, NULL, roffparent_Oc, NULL, ROFF_Oo, ROFF_LAYOUT, 0 }, /* Oc */
! 264: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Bk */
! 265: { roff_close, NULL, NULL, NULL, ROFF_Bk, ROFF_LAYOUT, 0 }, /* Ek */
1.1 kristaps 266: };
267:
1.5 kristaps 268: /* Table of all known token arguments. */
1.4 kristaps 269: static const struct roffarg tokenargs[ROFF_ARGMAX] = {
1.9 ! kristaps 270: { 0 }, /* split */
! 271: { 0 }, /* nosplit */
! 272: { 0 }, /* ragged */
! 273: { 0 }, /* unfilled */
! 274: { 0 }, /* literal */
! 275: { ROFF_VALUE }, /* file */
! 276: { ROFF_VALUE }, /* offset */
! 277: { 0 }, /* bullet */
! 278: { 0 }, /* dash */
! 279: { 0 }, /* hyphen */
! 280: { 0 }, /* item */
! 281: { 0 }, /* enum */
! 282: { 0 }, /* tag */
! 283: { 0 }, /* diag */
! 284: { 0 }, /* hang */
! 285: { 0 }, /* ohang */
! 286: { 0 }, /* inset */
! 287: { 0 }, /* column */
! 288: { 0 }, /* width */
! 289: { 0 }, /* compact */
! 290: { 0 }, /* std */
! 291: { 0 }, /* p1003_1_88 */
! 292: { 0 }, /* p1003_1_90 */
! 293: { 0 }, /* p1003_1_96 */
! 294: { 0 }, /* p1003_1_2001 */
! 295: { 0 }, /* p1003_1_2004 */
! 296: { 0 }, /* p1003_1 */
! 297: { 0 }, /* p1003_1b */
! 298: { 0 }, /* p1003_1b_93 */
! 299: { 0 }, /* p1003_1c_95 */
! 300: { 0 }, /* p1003_1g_2000 */
! 301: { 0 }, /* p1003_2_92 */
! 302: { 0 }, /* p1387_2_95 */
! 303: { 0 }, /* p1003_2 */
! 304: { 0 }, /* p1387_2 */
! 305: { 0 }, /* isoC_90 */
! 306: { 0 }, /* isoC_amd1 */
! 307: { 0 }, /* isoC_tcor1 */
! 308: { 0 }, /* isoC_tcor2 */
! 309: { 0 }, /* isoC_99 */
! 310: { 0 }, /* ansiC */
! 311: { 0 }, /* ansiC_89 */
! 312: { 0 }, /* ansiC_99 */
! 313: { 0 }, /* ieee754 */
! 314: { 0 }, /* iso8802_3 */
! 315: { 0 }, /* xpg3 */
! 316: { 0 }, /* xpg4 */
! 317: { 0 }, /* xpg4_2 */
! 318: { 0 }, /* xpg4_3 */
! 319: { 0 }, /* xbd5 */
! 320: { 0 }, /* xcu5 */
! 321: { 0 }, /* xsh5 */
! 322: { 0 }, /* xns5 */
! 323: { 0 }, /* xns5_2d2_0 */
! 324: { 0 }, /* xcurses4_2 */
! 325: { 0 }, /* susv2 */
! 326: { 0 }, /* susv3 */
! 327: { 0 }, /* svid4 */
1.1 kristaps 328: };
329:
1.5 kristaps 330: const char *const toknamesp[ROFF_MAX] =
331: {
1.8 kristaps 332: "\\\"", "Dd", "Dt", "Os",
333: "Sh", "Ss", "Pp", "D1",
334: "Dl", "Bd", "Ed", "Bl",
335: "El", "It", "Ad", "An",
336: "Ar", "Cd", "Cm", "Dv",
337: "Er", "Ev", "Ex", "Fa",
338: "Fd", "Fl", "Fn", "Ft",
339: "Ic", "In", "Li", "Nd",
340: "Nm", "Op", "Ot", "Pa",
341: "Rv", "St", "Va", "Vt",
342: "Xr", "\%A", "\%B", "\%D",
343: "\%I", "\%J", "\%N", "\%O",
344: "\%P", "\%R", "\%T", "\%V",
345: "Ac", "Ao", "Aq", "At",
346: "Bc", "Bf", "Bo", "Bq",
347: "Bsx", "Bx", "Db", "Dc",
348: "Do", "Dq", "Ec", "Ef",
349: "Em", "Eo", "Fx", "Ms",
350: "No", "Ns", "Nx", "Ox",
351: "Pc", "Pf", "Po", "Pq",
352: "Qc", "Ql", "Qo", "Qq",
353: "Re", "Rs", "Sc", "So",
354: "Sq", "Sm", "Sx", "Sy",
355: "Tn", "Ux", "Xc", "Xo",
1.9 ! kristaps 356: "Fo", "Fc", "Oo", "Oc",
! 357: "Bk", "Ek",
1.5 kristaps 358: };
359:
360: const char *const tokargnamesp[ROFF_ARGMAX] =
361: {
1.9 ! kristaps 362: "split", "nosplit", "ragged",
! 363: "unfilled", "literal", "file",
! 364: "offset", "bullet", "dash",
! 365: "hyphen", "item", "enum",
! 366: "tag", "diag", "hang",
! 367: "ohang", "inset", "column",
! 368: "width", "compact", "std",
! 369: "p1003.1-88", "p1003.1-90", "p1003.1-96",
! 370: "p1003.1-2001", "p1003.1-2004", "p1003.1",
! 371: "p1003.1b", "p1003.1b-93", "p1003.1c-95",
! 372: "p1003.1g-2000", "p1003.2-92", "p1387.2-95",
! 373: "p1003.2", "p1387.2", "isoC-90",
! 374: "isoC-amd1", "isoC-tcor1", "isoC-tcor2",
! 375: "isoC-99", "ansiC", "ansiC-89",
! 376: "ansiC-99", "ieee754", "iso8802-3",
! 377: "xpg3", "xpg4", "xpg4.2",
! 378: "xpg4.3", "xbd5", "xcu5",
! 379: "xsh5", "xns5", "xns5.2d2.0",
! 380: "xcurses4.2", "susv2", "susv3",
! 381: "svid4"
1.5 kristaps 382: };
383:
384: const char *const *toknames = toknamesp;
385: const char *const *tokargnames = tokargnamesp;
1.4 kristaps 386:
1.1 kristaps 387:
388: int
389: roff_free(struct rofftree *tree, int flush)
390: {
391: int error;
392:
393: assert(tree->mbuf);
394: if ( ! flush)
395: tree->mbuf = NULL;
396:
397: /* LINTED */
398: while (tree->last)
399: if ( ! (*tokens[tree->last->tok].cb)
1.2 kristaps 400: (tree->last->tok, tree, NULL, ROFF_EXIT))
1.1 kristaps 401: /* Disallow flushing. */
402: tree->mbuf = NULL;
403:
404: error = tree->mbuf ? 0 : 1;
405:
406: if (tree->mbuf && (ROFF_PRELUDE & tree->state)) {
407: warnx("%s: prelude never finished",
408: tree->rbuf->name);
409: error = 1;
410: }
411:
412: free(tree);
413: return(error ? 0 : 1);
414: }
415:
416:
417: struct rofftree *
418: roff_alloc(const struct md_args *args, struct md_mbuf *out,
1.6 kristaps 419: const struct md_rbuf *in, const struct roffcb *cb)
1.1 kristaps 420: {
421: struct rofftree *tree;
422:
423: if (NULL == (tree = calloc(1, sizeof(struct rofftree)))) {
424: warn("malloc");
425: return(NULL);
426: }
427:
428: tree->state = ROFF_PRELUDE;
429: tree->args = args;
430: tree->mbuf = out;
431: tree->rbuf = in;
1.6 kristaps 432: tree->cb = cb;
1.1 kristaps 433:
434: return(tree);
435: }
436:
437:
438: int
439: roff_engine(struct rofftree *tree, char *buf, size_t sz)
440: {
441:
442: if (0 == sz) {
443: warnx("%s: blank line (line %zu)",
444: tree->rbuf->name,
445: tree->rbuf->line);
446: return(0);
447: } else if ('.' != *buf)
448: return(textparse(tree, buf, sz));
449:
450: return(roffparse(tree, buf, sz));
451: }
452:
453:
454: static int
455: textparse(const struct rofftree *tree, const char *buf, size_t sz)
456: {
457:
458: if (NULL == tree->last) {
459: warnx("%s: unexpected text (line %zu)",
460: tree->rbuf->name,
461: tree->rbuf->line);
462: return(0);
463: } else if (NULL == tree->last->parent) {
464: warnx("%s: disallowed text (line %zu)",
465: tree->rbuf->name,
466: tree->rbuf->line);
467: return(0);
468: }
469:
470: /* Print text. */
471:
472: return(1);
473: }
474:
475:
476: static int
477: roffargs(int tok, char *buf, char **argv)
478: {
479: int i;
480:
481: (void)tok;/* FIXME: quotable strings? */
482:
483: assert(tok >= 0 && tok < ROFF_MAX);
484: assert('.' == *buf);
485:
486: /* LINTED */
487: for (i = 0; *buf && i < ROFF_MAXARG; i++) {
488: argv[i] = buf++;
489: while (*buf && ! isspace(*buf))
490: buf++;
491: if (0 == *buf) {
492: continue;
493: }
494: *buf++ = 0;
495: while (*buf && isspace(*buf))
496: buf++;
497: }
498:
499: assert(i > 0);
500: if (i < ROFF_MAXARG)
501: argv[i] = NULL;
502:
503: return(ROFF_MAXARG > i);
504: }
505:
506:
1.6 kristaps 507: /* XXX */
508: static int
509: roffscan(int tok, const int *tokv)
510: {
1.7 kristaps 511:
1.6 kristaps 512: if (NULL == tokv)
513: return(1);
514:
1.7 kristaps 515: for ( ; ROFF_MAX != *tokv; tokv++)
1.6 kristaps 516: if (tok == *tokv)
517: return(1);
518:
519: return(0);
520: }
521:
522:
1.1 kristaps 523: static int
524: roffparse(struct rofftree *tree, char *buf, size_t sz)
525: {
526: int tok, t;
1.6 kristaps 527: struct roffnode *n;
1.1 kristaps 528: char *argv[ROFF_MAXARG];
529: const char **argvp;
530:
531: assert(sz > 0);
532:
1.6 kristaps 533: if (ROFF_MAX == (tok = rofffindtok(buf + 1))) {
534: warnx("%s: unknown line macro (line %zu)",
535: tree->rbuf->name, tree->rbuf->line);
536: return(0);
537: } else if (NULL == tokens[tok].cb) {
538: warnx("%s: macro `%s' not supported (line %zu)",
539: tree->rbuf->name, toknames[tok],
1.1 kristaps 540: tree->rbuf->line);
541: return(0);
1.6 kristaps 542: } else if (ROFF_COMMENT == tokens[tok].type)
543: return(1);
1.5 kristaps 544:
1.6 kristaps 545: if ( ! roffargs(tok, buf, argv)) {
546: warnx("%s: too many args to `%s' (line %zu)",
547: tree->rbuf->name, toknames[tok],
1.1 kristaps 548: tree->rbuf->line);
549: return(0);
1.6 kristaps 550: } else
551: argvp = (const char **)argv + 1;
552:
553: /*
554: * Prelude macros break some assumptions: branch now.
555: */
1.1 kristaps 556:
1.6 kristaps 557: if (ROFF_PRELUDE & tree->state) {
558: assert(NULL == tree->last);
559: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
560: } else
561: assert(tree->last);
562:
563: assert(ROFF_BODY & tree->state);
564:
565: /*
566: * First check that our possible parents and parent's possible
567: * children are satisfied.
568: */
569:
570: if ( ! roffscan(tree->last->tok, tokens[tok].parents)) {
571: warnx("%s: invalid parent `%s' for `%s' (line %zu)",
572: tree->rbuf->name,
573: toknames[tree->last->tok],
574: toknames[tok], tree->rbuf->line);
575: return(0);
576: }
577:
578: if ( ! roffscan(tok, tokens[tree->last->tok].children)) {
579: warnx("%s: invalid child `%s' for `%s' (line %zu)",
1.4 kristaps 580: tree->rbuf->name, toknames[tok],
1.6 kristaps 581: toknames[tree->last->tok],
1.1 kristaps 582: tree->rbuf->line);
583: return(0);
584: }
585:
586: /*
1.6 kristaps 587: * Branch if we're not a layout token.
1.1 kristaps 588: */
589:
1.6 kristaps 590: if (ROFF_LAYOUT != tokens[tok].type)
591: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 592:
1.6 kristaps 593: /*
594: * Check our scope rules.
595: */
1.1 kristaps 596:
1.6 kristaps 597: if (0 == tokens[tok].ctx)
598: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 599:
1.6 kristaps 600: if (tok == tokens[tok].ctx) {
601: for (n = tree->last; n; n = n->parent) {
602: assert(0 == tokens[n->tok].ctx ||
603: n->tok == tokens[n->tok].ctx);
604: if (n->tok == tok)
605: break;
606: }
607: if (NULL == n) {
608: #ifdef DEBUG
609: (void)printf("scope: new `%s'\n",
610: toknames[tok]);
611: #endif
612: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 613: }
614: do {
615: t = tree->last->tok;
1.6 kristaps 616: #ifdef DEBUG
617: (void)printf("scope: closing `%s'\n",
618: toknames[t]);
619: #endif
620: if ( ! (*tokens[t].cb)(t, tree, NULL, ROFF_EXIT))
1.1 kristaps 621: return(0);
622: } while (t != tok);
1.6 kristaps 623:
1.9 ! kristaps 624: #ifdef DEBUG
! 625: (void)printf("scope: new parent of `%s' is `%s'\n",
! 626: toknames[tok],
! 627: toknames[tree->last->tok]);
! 628: #endif
! 629:
1.6 kristaps 630: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 631: }
632:
1.9 ! kristaps 633: assert(tree->last);
1.6 kristaps 634: assert(tok != tokens[tok].ctx && 0 != tokens[tok].ctx);
635:
636: do {
637: t = tree->last->tok;
638: #ifdef DEBUG
639: (void)printf("scope: closing `%s'\n", toknames[t]);
640: #endif
641: if ( ! (*tokens[t].cb)(t, tree, NULL, ROFF_EXIT))
642: return(0);
643: } while (t != tokens[tok].ctx);
1.1 kristaps 644:
1.9 ! kristaps 645: assert(tree->last);
! 646: return(1);
1.1 kristaps 647: }
648:
649:
650: static int
651: rofffindarg(const char *name)
652: {
653: size_t i;
654:
655: /* FIXME: use a table, this is slow but ok for now. */
656:
657: /* LINTED */
658: for (i = 0; i < ROFF_ARGMAX; i++)
659: /* LINTED */
1.4 kristaps 660: if (0 == strcmp(name, tokargnames[i]))
1.1 kristaps 661: return((int)i);
662:
663: return(ROFF_ARGMAX);
664: }
665:
666:
667: static int
1.6 kristaps 668: rofffindtok(const char *buf)
1.1 kristaps 669: {
1.6 kristaps 670: char token[4];
1.1 kristaps 671: size_t i;
672:
1.6 kristaps 673: for (i = 0; *buf && ! isspace(*buf) && i < 3; i++, buf++)
674: token[i] = *buf;
675:
1.9 ! kristaps 676: if (i == 3)
1.6 kristaps 677: return(ROFF_MAX);
678:
679: token[i] = 0;
680:
1.1 kristaps 681: /* FIXME: use a table, this is slow but ok for now. */
682:
683: /* LINTED */
684: for (i = 0; i < ROFF_MAX; i++)
685: /* LINTED */
1.7 kristaps 686: if (0 == strcmp(toknames[i], token)) {
687: #ifdef DEBUG
688: (void)printf("lookup (good): `%s' (%d)\n",
689: token, (int)i);
690: #endif
1.1 kristaps 691: return((int)i);
1.7 kristaps 692: }
693:
694: #ifdef DEBUG
695: (void)printf("lookup (bad): `%s'\n", token);
696: #endif
1.1 kristaps 697:
698: return(ROFF_MAX);
699: }
700:
701:
1.2 kristaps 702: static int
703: rofffindcallable(const char *name)
704: {
705: int c;
706:
707: if (ROFF_MAX == (c = rofffindtok(name)))
708: return(ROFF_MAX);
1.8 kristaps 709: assert(c >= 0 && c < ROFF_MAX);
1.2 kristaps 710: return(ROFF_CALLABLE & tokens[c].flags ? c : ROFF_MAX);
711: }
712:
713:
1.1 kristaps 714: static struct roffnode *
1.4 kristaps 715: roffnode_new(int tokid, struct rofftree *tree)
1.1 kristaps 716: {
717: struct roffnode *p;
718:
719: if (NULL == (p = malloc(sizeof(struct roffnode)))) {
720: warn("malloc");
721: return(NULL);
722: }
723:
1.4 kristaps 724: p->line = tree->rbuf->line;
1.1 kristaps 725: p->tok = tokid;
726: p->parent = tree->last;
727: tree->last = p;
1.9 ! kristaps 728:
! 729: #ifdef DEBUG
! 730: (void)printf("scope: new `%s' child of `%s'\n",
! 731: toknames[tree->last->tok],
! 732: tree->last->parent ?
! 733: toknames[tree->last->parent->tok] :
! 734: "<root>");
! 735: #endif
! 736:
1.1 kristaps 737: return(p);
738: }
739:
740:
1.5 kristaps 741: static int
742: roffargok(int tokid, int argid)
743: {
744: const int *c;
745:
746: if (NULL == (c = tokens[tokid].args))
747: return(0);
748:
749: for ( ; ROFF_ARGMAX != *c; c++)
750: if (argid == *c)
751: return(1);
752:
753: return(0);
754: }
755:
756:
1.1 kristaps 757: static void
758: roffnode_free(int tokid, struct rofftree *tree)
759: {
760: struct roffnode *p;
761:
762: assert(tree->last);
763: assert(tree->last->tok == tokid);
764:
1.9 ! kristaps 765: #ifdef DEBUG
! 766: (void)printf("scope: closing `%s' back to `%s'\n",
! 767: toknames[tree->last->tok],
! 768: tree->last->parent ?
! 769: toknames[tree->last->parent->tok] :
! 770: "<root>");
! 771: #endif
! 772:
1.1 kristaps 773: p = tree->last;
774: tree->last = tree->last->parent;
775: free(p);
776: }
777:
778:
1.6 kristaps 779: static int
780: roffnextopt(int tok, const char ***in, char **val)
781: {
782: const char *arg, **argv;
783: int v;
784:
785: *val = NULL;
786: argv = *in;
787: assert(argv);
788:
789: if (NULL == (arg = *argv))
790: return(-1);
791: if ('-' != *arg)
792: return(-1);
793:
794: /* FIXME: should we let this slide... ? */
795:
796: if (ROFF_ARGMAX == (v = rofffindarg(&arg[1])))
797: return(-1);
798:
799: /* FIXME: should we let this slide... ? */
800:
801: if ( ! roffargok(tok, v))
802: return(-1);
803: if ( ! (ROFF_VALUE & tokenargs[v].flags))
804: return(v);
805:
806: *in = ++argv;
807:
808: /* FIXME: what if this looks like a roff token or argument? */
809:
810: return(*argv ? v : ROFF_ARGMAX);
811: }
812:
813:
1.1 kristaps 814: /* ARGSUSED */
815: static int
816: roff_Dd(ROFFCALL_ARGS)
817: {
818:
1.4 kristaps 819: if (ROFF_BODY & tree->state) {
820: assert( ! (ROFF_PRELUDE & tree->state));
821: assert(ROFF_PRELUDE_Dd & tree->state);
822: return(roff_text(tok, tree, argv, type));
823: }
824:
1.1 kristaps 825: assert(ROFF_PRELUDE & tree->state);
1.4 kristaps 826: assert( ! (ROFF_BODY & tree->state));
827:
1.6 kristaps 828: if (ROFF_PRELUDE_Dd & tree->state) {
829: warnx("%s: prelude `Dd' repeated (line %zu)",
830: tree->rbuf->name, tree->rbuf->line);
831: return(0);
832: } else if (ROFF_PRELUDE_Dt & tree->state) {
1.1 kristaps 833: warnx("%s: prelude `Dd' out-of-order (line %zu)",
834: tree->rbuf->name, tree->rbuf->line);
835: return(0);
836: }
837:
1.4 kristaps 838: /* TODO: parse date. */
839:
1.1 kristaps 840: assert(NULL == tree->last);
841: tree->state |= ROFF_PRELUDE_Dd;
842:
843: return(1);
844: }
845:
846:
847: /* ARGSUSED */
848: static int
849: roff_Dt(ROFFCALL_ARGS)
850: {
851:
1.4 kristaps 852: if (ROFF_BODY & tree->state) {
853: assert( ! (ROFF_PRELUDE & tree->state));
854: assert(ROFF_PRELUDE_Dt & tree->state);
855: return(roff_text(tok, tree, argv, type));
856: }
857:
1.1 kristaps 858: assert(ROFF_PRELUDE & tree->state);
1.4 kristaps 859: assert( ! (ROFF_BODY & tree->state));
860:
1.6 kristaps 861: if ( ! (ROFF_PRELUDE_Dd & tree->state)) {
1.1 kristaps 862: warnx("%s: prelude `Dt' out-of-order (line %zu)",
863: tree->rbuf->name, tree->rbuf->line);
864: return(0);
1.6 kristaps 865: } else if (ROFF_PRELUDE_Dt & tree->state) {
866: warnx("%s: prelude `Dt' repeated (line %zu)",
867: tree->rbuf->name, tree->rbuf->line);
868: return(0);
1.1 kristaps 869: }
870:
1.4 kristaps 871: /* TODO: parse date. */
872:
1.1 kristaps 873: assert(NULL == tree->last);
874: tree->state |= ROFF_PRELUDE_Dt;
875:
876: return(1);
877: }
878:
879:
880: /* ARGSUSED */
881: static int
882: roff_Os(ROFFCALL_ARGS)
883: {
884:
885: if (ROFF_EXIT == type) {
1.4 kristaps 886: assert(ROFF_PRELUDE_Os & tree->state);
887: return(roff_layout(tok, tree, argv, type));
888: } else if (ROFF_BODY & tree->state) {
889: assert( ! (ROFF_PRELUDE & tree->state));
890: assert(ROFF_PRELUDE_Os & tree->state);
891: return(roff_text(tok, tree, argv, type));
892: }
1.1 kristaps 893:
894: assert(ROFF_PRELUDE & tree->state);
895: if ( ! (ROFF_PRELUDE_Dt & tree->state) ||
896: ! (ROFF_PRELUDE_Dd & tree->state)) {
897: warnx("%s: prelude `Os' out-of-order (line %zu)",
898: tree->rbuf->name, tree->rbuf->line);
899: return(0);
900: }
901:
1.4 kristaps 902: /* TODO: extract OS. */
1.1 kristaps 903:
904: tree->state |= ROFF_PRELUDE_Os;
905: tree->state &= ~ROFF_PRELUDE;
906: tree->state |= ROFF_BODY;
907:
1.4 kristaps 908: assert(NULL == tree->last);
909:
910: return(roff_layout(tok, tree, argv, type));
1.1 kristaps 911: }
912:
913:
914: /* ARGSUSED */
915: static int
1.2 kristaps 916: roff_layout(ROFFCALL_ARGS)
1.1 kristaps 917: {
1.2 kristaps 918: int i, c, argcp[ROFF_MAXARG];
919: char *v, *argvp[ROFF_MAXARG];
1.1 kristaps 920:
1.4 kristaps 921: if (ROFF_PRELUDE & tree->state) {
922: warnx("%s: macro `%s' called in prelude (line %zu)",
1.5 kristaps 923: tree->rbuf->name,
924: toknames[tok],
1.4 kristaps 925: tree->rbuf->line);
926: return(0);
927: }
928:
1.2 kristaps 929: if (ROFF_EXIT == type) {
930: roffnode_free(tok, tree);
1.6 kristaps 931: return((*tree->cb->roffblkout)(tok));
1.2 kristaps 932: }
1.1 kristaps 933:
1.2 kristaps 934: i = 0;
1.5 kristaps 935:
936: while (-1 != (c = roffnextopt(tok, &argv, &v))) {
1.2 kristaps 937: if (ROFF_ARGMAX == c) {
1.5 kristaps 938: warnx("%s: error parsing `%s' args (line %zu)",
939: tree->rbuf->name,
940: toknames[tok],
941: tree->rbuf->line);
942: return(0);
943: } else if ( ! roffargok(tok, c)) {
944: warnx("%s: arg `%s' not for `%s' (line %zu)",
1.1 kristaps 945: tree->rbuf->name,
1.5 kristaps 946: tokargnames[c],
1.4 kristaps 947: toknames[tok],
1.1 kristaps 948: tree->rbuf->line);
949: return(0);
950: }
1.2 kristaps 951: argcp[i] = c;
952: argvp[i] = v;
1.5 kristaps 953: i++;
1.1 kristaps 954: argv++;
955: }
956:
1.5 kristaps 957: argcp[i] = ROFF_ARGMAX;
958: argvp[i] = NULL;
959:
1.4 kristaps 960: if (NULL == roffnode_new(tok, tree))
1.2 kristaps 961: return(0);
962:
1.6 kristaps 963: if ( ! (*tree->cb->roffin)(tok, argcp, argvp))
1.2 kristaps 964: return(0);
965:
966: if ( ! (ROFF_PARSED & tokens[tok].flags)) {
967: /* TODO: print all tokens. */
968:
1.6 kristaps 969: if ( ! ((*tree->cb->roffout)(tok)))
1.2 kristaps 970: return(0);
1.6 kristaps 971: return((*tree->cb->roffblkin)(tok));
1.2 kristaps 972: }
973:
1.1 kristaps 974: while (*argv) {
1.8 kristaps 975: if (ROFF_MAX != (c = rofffindcallable(*argv))) {
976: if (NULL == tokens[c].cb) {
977: warnx("%s: macro `%s' not supported "
978: "(line %zu)",
979: tree->rbuf->name,
980: toknames[c],
981: tree->rbuf->line);
982: return(0);
983: }
1.2 kristaps 984: if ( ! (*tokens[c].cb)(c, tree,
985: argv + 1, ROFF_ENTER))
986: return(0);
1.8 kristaps 987: }
1.2 kristaps 988: /* TODO: print token. */
989: argv++;
990: }
991:
1.6 kristaps 992: if ( ! ((*tree->cb->roffout)(tok)))
1.2 kristaps 993: return(0);
994:
1.6 kristaps 995: return((*tree->cb->roffblkin)(tok));
1.2 kristaps 996: }
997:
998:
999: /* ARGSUSED */
1000: static int
1001: roff_text(ROFFCALL_ARGS)
1002: {
1003: int i, c, argcp[ROFF_MAXARG];
1004: char *v, *argvp[ROFF_MAXARG];
1005:
1.4 kristaps 1006: if (ROFF_PRELUDE & tree->state) {
1007: warnx("%s: macro `%s' called in prelude (line %zu)",
1.5 kristaps 1008: tree->rbuf->name,
1009: toknames[tok],
1.4 kristaps 1010: tree->rbuf->line);
1011: return(0);
1012: }
1013:
1.2 kristaps 1014: i = 0;
1.5 kristaps 1015:
1016: while (-1 != (c = roffnextopt(tok, &argv, &v))) {
1.2 kristaps 1017: if (ROFF_ARGMAX == c) {
1.5 kristaps 1018: warnx("%s: error parsing `%s' args (line %zu)",
1.2 kristaps 1019: tree->rbuf->name,
1.4 kristaps 1020: toknames[tok],
1.2 kristaps 1021: tree->rbuf->line);
1022: return(0);
1.5 kristaps 1023: }
1.2 kristaps 1024: argcp[i] = c;
1025: argvp[i] = v;
1.5 kristaps 1026: i++;
1.1 kristaps 1027: argv++;
1028: }
1029:
1.5 kristaps 1030: argcp[i] = ROFF_ARGMAX;
1031: argvp[i] = NULL;
1032:
1.6 kristaps 1033: if ( ! (*tree->cb->roffin)(tok, argcp, argvp))
1.2 kristaps 1034: return(0);
1.1 kristaps 1035:
1.2 kristaps 1036: if ( ! (ROFF_PARSED & tokens[tok].flags)) {
1037: /* TODO: print all tokens. */
1.6 kristaps 1038: return((*tree->cb->roffout)(tok));
1.2 kristaps 1039: }
1.1 kristaps 1040:
1.2 kristaps 1041: while (*argv) {
1.8 kristaps 1042: if (ROFF_MAX != (c = rofffindcallable(*argv))) {
1043: if (NULL == tokens[c].cb) {
1044: warnx("%s: macro `%s' not supported "
1045: "(line %zu)",
1046: tree->rbuf->name,
1047: toknames[c],
1048: tree->rbuf->line);
1049: return(0);
1050: }
1.2 kristaps 1051: if ( ! (*tokens[c].cb)(c, tree,
1052: argv + 1, ROFF_ENTER))
1053: return(0);
1.8 kristaps 1054: }
1.2 kristaps 1055: /* TODO: print token. */
1056: argv++;
1057: }
1058:
1.6 kristaps 1059: return((*tree->cb->roffout)(tok));
1060: }
1061:
1062:
1.9 ! kristaps 1063: /* ARGSUSED */
1.6 kristaps 1064: static int
1065: roff_comment(ROFFCALL_ARGS)
1066: {
1067:
1068: return(1);
1.1 kristaps 1069: }
1.9 ! kristaps 1070:
! 1071:
! 1072: /* ARGSUSED */
! 1073: static int
! 1074: roff_close(ROFFCALL_ARGS)
! 1075: {
! 1076:
! 1077: return(1);
! 1078: }
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