dextern.h revision 4538:844098db2e81 
154359Sroberto/*
254359Sroberto * CDDL HEADER START
354359Sroberto *
454359Sroberto * The contents of this file are subject to the terms of the
554359Sroberto * Common Development and Distribution License (the "License").
654359Sroberto * You may not use this file except in compliance with the License.
754359Sroberto *
854359Sroberto * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
954359Sroberto * or http://www.opensolaris.org/os/licensing.
1054359Sroberto * See the License for the specific language governing permissions
1154359Sroberto * and limitations under the License.
1254359Sroberto *
1354359Sroberto * When distributing Covered Code, include this CDDL HEADER in each
1454359Sroberto * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
1554359Sroberto * 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
47extern "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
158extern FILE *finput;		/* input file */
159extern FILE *faction;		/* file for saving actions */
160extern FILE *fdefine;		/* file for #defines */
161extern FILE *ftable;		/* y.tab.c file */
162extern FILE *ftemp;		/* tempfile to pass 2 */
163extern FILE *fdebug;		/* tempfile for two debugging info arrays */
164extern FILE *foutput;		/* y.output file */
165
166	/* structure declarations */
167
168typedef struct looksets {
169	int *lset;
170} LOOKSETS;
171
172typedef struct item {
173	int *pitem;
174	LOOKSETS *look;
175} ITEM;
176
177typedef struct toksymb {
178	wchar_t *name;
179	int value;
180} TOKSYMB;
181
182typedef struct mbclit {
183	wchar_t character;
184	int tvalue; /* token issued for the character */
185} MBCLIT;
186
187typedef struct ntsymb {
188	wchar_t *name;
189	int tvalue;
190} NTSYMB;
191
192typedef struct wset {
193	int *pitem;
194	int flag;
195	LOOKSETS ws;
196} WSET;
197
198	/* token information */
199
200extern int ntokens;	/* number of tokens */
201extern TOKSYMB *tokset;
202extern 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	 */
209extern int nmbchars;	/* number of mb literals */
210extern MBCLIT *mbchars;
211extern int nmbcharsz;
212
213	/* nonterminal information */
214
215extern int nnonter;	/* the number of nonterminals */
216extern NTSYMB *nontrst;
217extern int nnontersz;
218
219	/* grammar rule information */
220
221extern int nprod;	/* number of productions */
222extern int **prdptr;	/* pointers to descriptions of productions */
223extern int *levprd;	/* contains production levels to break conflicts */
224extern wchar_t *had_act; /* set if reduction has associated action code */
225
226	/* state information */
227
228extern int nstate;		/* number of states */
229extern ITEM **pstate;	/* pointers to the descriptions of the states */
230extern int *tystate;	/* contains type information about the states */
231extern int *defact;	/* the default action of the state */
232
233extern int size;
234
235	/* lookahead set information */
236
237extern int TBITSET;
238extern LOOKSETS *lkst;
239extern int nolook;  /* flag to turn off lookahead computations */
240
241	/* working set information */
242
243extern WSET *wsets;
244
245	/* storage for productions */
246
247extern int *mem0;
248extern int *mem;
249extern int *tracemem;
250extern int new_memsize;
251
252	/* storage for action table */
253
254extern int *amem;
255extern int *memp;		/* next free action table position */
256extern int *indgo;		/* index to the stored goto table */
257extern int new_actsize;
258
259	/* temporary vector, indexable by states, terms, or ntokens */
260
261extern int *temp1;
262extern int lineno; /* current line number */
263
264	/* statistics collection variables */
265
266extern int zzgoent;
267extern int zzgobest;
268extern int zzacent;
269extern int zzexcp;
270extern int zzrrconf;
271extern int zzsrconf;
272
273	/* define external functions */
274
275extern void setup(int, char *[]);
276extern void closure(int);
277extern void output(void);
278extern void aryfil(int *, int, int);
279extern void error(char *, ...);
280extern void warning(int, char *, ...);
281extern void putitem(int *, LOOKSETS *);
282extern void go2out(void);
283extern void hideprod(void);
284extern void callopt(void);
285extern void warray(wchar_t *, int *, int);
286extern wchar_t *symnam(int);
287extern wchar_t *writem(int *);
288extern void exp_mem(int);
289extern void exp_act(int **);
290extern int apack(int *, int);
291extern int state(int);
292extern void fprintf3(FILE *, const char *, const wchar_t *, const char *, ...);
293extern void error3(const char *, const wchar_t *, const char *, ...);
294
295extern wchar_t *wscpy(wchar_t *, const wchar_t *);
296extern size_t wslen(const wchar_t *);
297extern int wscmp(const wchar_t *, const wchar_t *);
298
299
300	/* yaccpar location */
301
302extern 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