1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* Copyright (c) 1988 AT&T */ 27 /* All Rights Reserved */ 28 29 #ifndef _DEXTERN_H 30 #define _DEXTERN_H 31 32 #pragma ident "%Z%%M% %I% %E% SMI" 33 34 #include <stdio.h> 35 #include <inttypes.h> 36 #include <ctype.h> 37 #include <memory.h> 38 #include <string.h> 39 #include <malloc.h> 40 #include <values.h> 41 #include <widec.h> 42 #include <unistd.h> 43 #include <stdlib.h> 44 #include <wctype.h> 45 46 #ifdef __cplusplus 47 extern "C" { 48 #endif 49 50 /* MANIFEST CONSTANT DEFINITIONS */ 51 #if u3b || u3b15 || u3b2 || vax || uts || sparc 52 #define WORD32 53 #endif 54 #include <libintl.h> 55 56 /* base of nonterminal internal numbers */ 57 58 #define NTBASE (10000000) 59 60 /* internal codes for error and accept actions */ 61 62 #define ERRCODE 8190 63 #define ACCEPTCODE 8191 64 65 /* sizes and limits */ 66 67 #define ACTSIZE 4000 68 #define MEMSIZE 2000 69 #define PSTSIZE 1024 70 #define NSTATES 1000 71 #define NTERMS 127 72 #define NPROD 300 73 #define NNONTERM 600 74 #define TEMPSIZE 800 75 #define CNAMSZ 1000 76 #define LSETSIZE 950 77 #define WSETSIZE 850 78 79 #define NAMESIZE 50 80 #define NTYPES 1000 81 82 #define NMBCHARSZ 100 83 #define LKFACTOR 5 84 85 #ifdef WORD32 86 /* bit packing macros (may be machine dependent) */ 87 #define BIT(a, i) ((a)[(i)>>5] & (1<<((i)&037))) 88 #define SETBIT(a, i) ((a)[(i)>>5] |= (1<<((i)&037))) 89 90 /* number of words needed to hold n+1 bits */ 91 #define NWORDS(n) (((n)+32)/32) 92 93 #else 94 95 /* bit packing macros (may be machine dependent) */ 96 #define BIT(a, i) ((a)[(i)>>4] & (1<<((i)&017))) 97 #define SETBIT(a, i) ((a)[(i)>>4] |= (1<<((i)&017))) 98 99 /* number of words needed to hold n+1 bits */ 100 #define NWORDS(n) (((n)+16)/16) 101 #endif 102 103 /* 104 * relationships which must hold: 105 * TBITSET ints must hold NTERMS+1 bits... 106 * WSETSIZE >= NNONTERM 107 * LSETSIZE >= NNONTERM 108 * TEMPSIZE >= NTERMS + NNONTERMs + 1 109 * TEMPSIZE >= NSTATES 110 */ 111 112 /* associativities */ 113 114 #define NOASC 0 /* no assoc. */ 115 #define LASC 1 /* left assoc. */ 116 #define RASC 2 /* right assoc. */ 117 #define BASC 3 /* binary assoc. */ 118 119 /* flags for state generation */ 120 121 #define DONE 0 122 #define MUSTDO 1 123 #define MUSTLOOKAHEAD 2 124 125 /* flags for a rule having an action, and being reduced */ 126 127 #define ACTFLAG 04 128 #define REDFLAG 010 129 130 /* output parser flags */ 131 #define YYFLAG1 (-10000000) 132 133 /* macros for getting associativity and precedence levels */ 134 135 #define ASSOC(i) ((i)&07) 136 #define PLEVEL(i) (((i)>>4)&077) 137 #define TYPE(i) ((i>>10)&077) 138 139 /* macros for setting associativity and precedence levels */ 140 141 #define SETASC(i, j) i |= j 142 #define SETPLEV(i, j) i |= (j<<4) 143 #define SETTYPE(i, j) i |= (j<<10) 144 145 /* looping macros */ 146 147 #define TLOOP(i) for (i = 1; i <= ntokens; ++i) 148 #define NTLOOP(i) for (i = 0; i <= nnonter; ++i) 149 #define PLOOP(s, i) for (i = s; i < nprod; ++i) 150 #define SLOOP(i) for (i = 0; i < nstate; ++i) 151 #define WSBUMP(x) ++x 152 #define WSLOOP(s, j) for (j = s; j < &wsets[cwp]; ++j) 153 #define ITMLOOP(i, p, q) q = pstate[i+1]; for (p = pstate[i]; p < q; ++p) 154 #define SETLOOP(i) for (i = 0; i < tbitset; ++i) 155 156 /* I/O descriptors */ 157 158 extern FILE *finput; /* input file */ 159 extern FILE *faction; /* file for saving actions */ 160 extern FILE *fdefine; /* file for #defines */ 161 extern FILE *ftable; /* y.tab.c file */ 162 extern FILE *ftemp; /* tempfile to pass 2 */ 163 extern FILE *fdebug; /* tempfile for two debugging info arrays */ 164 extern FILE *foutput; /* y.output file */ 165 166 /* structure declarations */ 167 168 typedef struct looksets { 169 int *lset; 170 } LOOKSETS; 171 172 typedef struct item { 173 int *pitem; 174 LOOKSETS *look; 175 } ITEM; 176 177 typedef struct toksymb { 178 wchar_t *name; 179 int value; 180 } TOKSYMB; 181 182 typedef struct mbclit { 183 wchar_t character; 184 int tvalue; /* token issued for the character */ 185 } MBCLIT; 186 187 typedef struct ntsymb { 188 wchar_t *name; 189 int tvalue; 190 } NTSYMB; 191 192 typedef struct wset { 193 int *pitem; 194 int flag; 195 LOOKSETS ws; 196 } WSET; 197 198 /* token information */ 199 200 extern int ntokens; /* number of tokens */ 201 extern TOKSYMB *tokset; 202 extern int ntoksz; 203 204 /* 205 * multibyte (c > 255) character literals are 206 * handled as though they were tokens except 207 * that it generates a separate mapping table. 208 */ 209 extern int nmbchars; /* number of mb literals */ 210 extern MBCLIT *mbchars; 211 extern int nmbcharsz; 212 213 /* nonterminal information */ 214 215 extern int nnonter; /* the number of nonterminals */ 216 extern NTSYMB *nontrst; 217 extern int nnontersz; 218 219 /* grammar rule information */ 220 221 extern int nprod; /* number of productions */ 222 extern int **prdptr; /* pointers to descriptions of productions */ 223 extern int *levprd; /* contains production levels to break conflicts */ 224 extern wchar_t *had_act; /* set if reduction has associated action code */ 225 226 /* state information */ 227 228 extern int nstate; /* number of states */ 229 extern ITEM **pstate; /* pointers to the descriptions of the states */ 230 extern int *tystate; /* contains type information about the states */ 231 extern int *defact; /* the default action of the state */ 232 233 extern int size; 234 235 /* lookahead set information */ 236 237 extern int TBITSET; 238 extern LOOKSETS *lkst; 239 extern int nolook; /* flag to turn off lookahead computations */ 240 241 /* working set information */ 242 243 extern WSET *wsets; 244 245 /* storage for productions */ 246 247 extern int *mem0; 248 extern int *mem; 249 extern int *tracemem; 250 extern int new_memsize; 251 252 /* storage for action table */ 253 254 extern int *amem; 255 extern int *memp; /* next free action table position */ 256 extern int *indgo; /* index to the stored goto table */ 257 extern int new_actsize; 258 259 /* temporary vector, indexable by states, terms, or ntokens */ 260 261 extern int *temp1; 262 extern int lineno; /* current line number */ 263 264 /* statistics collection variables */ 265 266 extern int zzgoent; 267 extern int zzgobest; 268 extern int zzacent; 269 extern int zzexcp; 270 extern int zzrrconf; 271 extern int zzsrconf; 272 273 /* define external functions */ 274 275 extern void setup(int, char *[]); 276 extern void closure(int); 277 extern void output(void); 278 extern void aryfil(int *, int, int); 279 extern void error(char *, ...); 280 extern void warning(int, char *, ...); 281 extern void putitem(int *, LOOKSETS *); 282 extern void go2out(void); 283 extern void hideprod(void); 284 extern void callopt(void); 285 extern void warray(wchar_t *, int *, int); 286 extern wchar_t *symnam(int); 287 extern wchar_t *writem(int *); 288 extern void exp_mem(int); 289 extern void exp_act(int **); 290 extern int apack(int *, int); 291 extern int state(int); 292 extern void fprintf3(FILE *, const char *, const wchar_t *, const char *, ...); 293 extern void error3(const char *, const wchar_t *, const char *, ...); 294 295 extern wchar_t *wscpy(wchar_t *, const wchar_t *); 296 extern size_t wslen(const wchar_t *); 297 extern int wscmp(const wchar_t *, const wchar_t *); 298 299 300 /* yaccpar location */ 301 302 extern char *parser; 303 304 /* default settings for a number of macros */ 305 306 /* name of yacc tempfiles */ 307 308 #ifndef TEMPNAME 309 #define TEMPNAME "yacc.tmp" 310 #endif 311 312 #ifndef ACTNAME 313 #define ACTNAME "yacc.acts" 314 #endif 315 316 #ifndef DEBUGNAME 317 #define DEBUGNAME "yacc.debug" 318 #endif 319 320 /* command to clobber tempfiles after use */ 321 322 #ifndef ZAPFILE 323 #define ZAPFILE(x) (void)unlink(x) 324 #endif 325 326 #ifndef PARSER 327 #define PARSER "/usr/share/lib/ccs/yaccpar" 328 #endif 329 330 #ifdef __cplusplus 331 } 332 #endif 333 334 #endif /* _DEXTERN_H */ 335