| 1 |
greg |
2.6 |
/* RCSid: $Id$ */
|
| 2 |
greg |
1.1 |
/*
|
| 3 |
|
|
* calcomp.h - header file for expression parser.
|
| 4 |
greg |
2.6 |
*/
|
| 5 |
|
|
|
| 6 |
|
|
/* ====================================================================
|
| 7 |
|
|
* The Radiance Software License, Version 1.0
|
| 8 |
|
|
*
|
| 9 |
|
|
* Copyright (c) 1990 - 2002 The Regents of the University of California,
|
| 10 |
|
|
* through Lawrence Berkeley National Laboratory. All rights reserved.
|
| 11 |
|
|
*
|
| 12 |
|
|
* Redistribution and use in source and binary forms, with or without
|
| 13 |
|
|
* modification, are permitted provided that the following conditions
|
| 14 |
|
|
* are met:
|
| 15 |
|
|
*
|
| 16 |
|
|
* 1. Redistributions of source code must retain the above copyright
|
| 17 |
|
|
* notice, this list of conditions and the following disclaimer.
|
| 18 |
|
|
*
|
| 19 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
| 20 |
|
|
* notice, this list of conditions and the following disclaimer in
|
| 21 |
|
|
* the documentation and/or other materials provided with the
|
| 22 |
|
|
* distribution.
|
| 23 |
|
|
*
|
| 24 |
|
|
* 3. The end-user documentation included with the redistribution,
|
| 25 |
|
|
* if any, must include the following acknowledgment:
|
| 26 |
|
|
* "This product includes Radiance software
|
| 27 |
|
|
* (http://radsite.lbl.gov/)
|
| 28 |
|
|
* developed by the Lawrence Berkeley National Laboratory
|
| 29 |
|
|
* (http://www.lbl.gov/)."
|
| 30 |
|
|
* Alternately, this acknowledgment may appear in the software itself,
|
| 31 |
|
|
* if and wherever such third-party acknowledgments normally appear.
|
| 32 |
|
|
*
|
| 33 |
|
|
* 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
|
| 34 |
|
|
* and "The Regents of the University of California" must
|
| 35 |
|
|
* not be used to endorse or promote products derived from this
|
| 36 |
|
|
* software without prior written permission. For written
|
| 37 |
|
|
* permission, please contact [email protected].
|
| 38 |
greg |
1.1 |
*
|
| 39 |
greg |
2.6 |
* 5. Products derived from this software may not be called "Radiance",
|
| 40 |
|
|
* nor may "Radiance" appear in their name, without prior written
|
| 41 |
|
|
* permission of Lawrence Berkeley National Laboratory.
|
| 42 |
|
|
*
|
| 43 |
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
| 44 |
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
| 45 |
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
| 46 |
|
|
* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
|
| 47 |
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
| 48 |
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
| 49 |
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
| 50 |
|
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
| 51 |
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
| 52 |
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
| 53 |
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
| 54 |
|
|
* SUCH DAMAGE.
|
| 55 |
|
|
* ====================================================================
|
| 56 |
|
|
*
|
| 57 |
|
|
* This software consists of voluntary contributions made by many
|
| 58 |
|
|
* individuals on behalf of Lawrence Berkeley National Laboratory. For more
|
| 59 |
|
|
* information on Lawrence Berkeley National Laboratory, please see
|
| 60 |
|
|
* <http://www.lbl.gov/>.
|
| 61 |
greg |
1.1 |
*/
|
| 62 |
|
|
/* EPNODE types */
|
| 63 |
greg |
2.2 |
#define VAR 1
|
| 64 |
|
|
#define NUM 2
|
| 65 |
|
|
#define UMINUS 3
|
| 66 |
|
|
#define CHAN 4
|
| 67 |
|
|
#define FUNC 5
|
| 68 |
|
|
#define ARG 6
|
| 69 |
|
|
#define TICK 7
|
| 70 |
|
|
#define SYM 8
|
| 71 |
greg |
1.4 |
/* also: '+', '-', '*', '/', '^', '=', ':' */
|
| 72 |
greg |
1.1 |
|
| 73 |
|
|
typedef struct {
|
| 74 |
|
|
char *fname; /* function name */
|
| 75 |
greg |
1.5 |
short nargs; /* # of required arguments */
|
| 76 |
|
|
short atyp; /* assignment type (':' or '=') */
|
| 77 |
greg |
1.1 |
double (*f)(); /* pointer to function */
|
| 78 |
|
|
} LIBR; /* a library function */
|
| 79 |
|
|
|
| 80 |
|
|
typedef struct epnode {
|
| 81 |
greg |
2.2 |
int type; /* node type */
|
| 82 |
greg |
1.1 |
struct epnode *sibling; /* next child this level */
|
| 83 |
|
|
union {
|
| 84 |
|
|
struct epnode *kid; /* first child */
|
| 85 |
greg |
2.2 |
double num; /* number */
|
| 86 |
greg |
1.1 |
char *name; /* symbol name */
|
| 87 |
|
|
int chan; /* channel number */
|
| 88 |
greg |
2.4 |
unsigned long tick; /* timestamp */
|
| 89 |
greg |
1.1 |
struct vardef {
|
| 90 |
|
|
char *name; /* variable name */
|
| 91 |
greg |
2.2 |
int nlinks; /* number of references */
|
| 92 |
greg |
1.1 |
struct epnode *def; /* definition */
|
| 93 |
|
|
LIBR *lib; /* library definition */
|
| 94 |
|
|
struct vardef *next; /* next in hash list */
|
| 95 |
|
|
} *ln; /* link */
|
| 96 |
|
|
} v; /* value */
|
| 97 |
|
|
} EPNODE; /* an expression node */
|
| 98 |
|
|
|
| 99 |
|
|
typedef struct vardef VARDEF; /* a variable definition */
|
| 100 |
|
|
|
| 101 |
gregl |
2.5 |
#define MAXWORD 127 /* maximum word/id length */
|
| 102 |
greg |
2.2 |
#define CNTXMARK '`' /* context mark */
|
| 103 |
greg |
1.6 |
|
| 104 |
greg |
2.2 |
#define isid(c) (isalnum(c) || (c) == '_' || \
|
| 105 |
greg |
1.6 |
(c) == '.' || (c) == CNTXMARK)
|
| 106 |
|
|
|
| 107 |
greg |
2.6 |
#define evalue(ep) (*eoper[(ep)->type])(ep)
|
| 108 |
|
|
|
| 109 |
|
|
/* flags to set in esupport */
|
| 110 |
|
|
#define E_VARIABLE 001
|
| 111 |
|
|
#define E_FUNCTION 002
|
| 112 |
|
|
#define E_INCHAN 004
|
| 113 |
|
|
#define E_OUTCHAN 010
|
| 114 |
|
|
#define E_RCONST 020
|
| 115 |
|
|
#define E_REDEFW 040
|
| 116 |
|
|
|
| 117 |
greg |
1.1 |
extern double (*eoper[])();
|
| 118 |
greg |
2.4 |
extern unsigned long eclock;
|
| 119 |
greg |
2.6 |
extern unsigned int esupport;
|
| 120 |
|
|
extern EPNODE *curfunc;
|
| 121 |
greg |
1.1 |
extern int nextc;
|
| 122 |
|
|
|
| 123 |
greg |
2.6 |
#ifdef NOPROTO
|
| 124 |
|
|
|
| 125 |
|
|
extern void fcompile();
|
| 126 |
|
|
extern void scompile();
|
| 127 |
|
|
extern double varvalue();
|
| 128 |
|
|
extern double evariable();
|
| 129 |
|
|
extern void varset();
|
| 130 |
|
|
extern void dclear();
|
| 131 |
|
|
extern void dremove();
|
| 132 |
|
|
extern int vardefined();
|
| 133 |
|
|
extern char *setcontext();
|
| 134 |
|
|
extern char *pushcontext();
|
| 135 |
|
|
extern char *popcontext();
|
| 136 |
|
|
extern char *qualname();
|
| 137 |
|
|
extern int incontext();
|
| 138 |
|
|
extern void chanout();
|
| 139 |
|
|
extern void dcleanup();
|
| 140 |
|
|
extern EPNODE *dlookup();
|
| 141 |
|
|
extern VARDEF *varlookup();
|
| 142 |
|
|
extern VARDEF *varinsert();
|
| 143 |
|
|
extern void varfree();
|
| 144 |
|
|
extern EPNODE *dfirst();
|
| 145 |
|
|
extern EPNODE *dnext();
|
| 146 |
|
|
extern EPNODE *dpop();
|
| 147 |
|
|
extern void dpush();
|
| 148 |
|
|
extern void addchan();
|
| 149 |
|
|
extern void getstatement();
|
| 150 |
|
|
extern EPNODE *getdefn();
|
| 151 |
|
|
extern EPNODE *getchan();
|
| 152 |
|
|
extern EPNODE *eparse();
|
| 153 |
|
|
extern double eval();
|
| 154 |
|
|
extern int epcmp();
|
| 155 |
|
|
extern void epfree();
|
| 156 |
|
|
extern EPNODE *ekid();
|
| 157 |
|
|
extern int nekids();
|
| 158 |
|
|
extern void initfile();
|
| 159 |
|
|
extern void initstr();
|
| 160 |
|
|
extern void getscanpos();
|
| 161 |
|
|
extern int scan();
|
| 162 |
|
|
extern char *long2ascii();
|
| 163 |
|
|
extern void syntax();
|
| 164 |
|
|
extern void addekid();
|
| 165 |
|
|
extern char *getname();
|
| 166 |
|
|
extern int getinum();
|
| 167 |
|
|
extern double getnum();
|
| 168 |
|
|
extern EPNODE *getE1();
|
| 169 |
|
|
extern EPNODE *getE2();
|
| 170 |
|
|
extern EPNODE *getE3();
|
| 171 |
|
|
extern EPNODE *getE4();
|
| 172 |
|
|
extern EPNODE *getE5();
|
| 173 |
|
|
extern EPNODE *rconst();
|
| 174 |
|
|
extern int isconstvar();
|
| 175 |
|
|
extern int isconstfun();
|
| 176 |
|
|
extern int fundefined();
|
| 177 |
|
|
extern double funvalue();
|
| 178 |
|
|
extern void funset();
|
| 179 |
|
|
extern int nargum();
|
| 180 |
|
|
extern double argument();
|
| 181 |
|
|
extern VARDEF *argf();
|
| 182 |
|
|
extern char *argfun();
|
| 183 |
|
|
extern double efunc();
|
| 184 |
|
|
extern LIBR *liblookup();
|
| 185 |
|
|
extern void libupdate();
|
| 186 |
|
|
extern void eprint();
|
| 187 |
|
|
extern void dprint();
|
| 188 |
|
|
extern char *savestr();
|
| 189 |
|
|
extern void freestr();
|
| 190 |
|
|
extern int shash();
|
| 191 |
|
|
extern char *emalloc();
|
| 192 |
|
|
extern char *ecalloc();
|
| 193 |
|
|
extern char *erealloc();
|
| 194 |
|
|
extern void efree();
|
| 195 |
|
|
extern void eputs();
|
| 196 |
|
|
extern void wputs();
|
| 197 |
|
|
extern void quit();
|
| 198 |
|
|
|
| 199 |
|
|
extern double chanvalue();
|
| 200 |
|
|
|
| 201 |
|
|
#else
|
| 202 |
|
|
/* defined in caldefn.c */
|
| 203 |
|
|
extern void fcompile(char *fname);
|
| 204 |
|
|
extern void scompile(char *str, char *fname, int ln);
|
| 205 |
|
|
extern double varvalue(char *vname);
|
| 206 |
|
|
extern double evariable(EPNODE *ep);
|
| 207 |
|
|
extern void varset(char *fname, int assign, double val);
|
| 208 |
|
|
extern void dclear(char *name);
|
| 209 |
|
|
extern void dremove(char *name);
|
| 210 |
|
|
extern int vardefined(char *name);
|
| 211 |
|
|
extern char *setcontext(char *ctx);
|
| 212 |
|
|
extern char *pushcontext(char *ctx);
|
| 213 |
|
|
extern char *popcontext(void);
|
| 214 |
|
|
extern char *qualname(char *nam, int lvl);
|
| 215 |
|
|
extern int incontext(char *qn);
|
| 216 |
|
|
extern void chanout(int (*cs)());
|
| 217 |
|
|
extern void dcleanup(int lvl);
|
| 218 |
|
|
extern EPNODE *dlookup(char *name);
|
| 219 |
|
|
extern VARDEF *varlookup(char *name);
|
| 220 |
|
|
extern VARDEF *varinsert(char *name);
|
| 221 |
|
|
extern void varfree(VARDEF *ln);
|
| 222 |
|
|
extern EPNODE *dfirst(void);
|
| 223 |
|
|
extern EPNODE *dnext(void);
|
| 224 |
|
|
extern EPNODE *dpop(char *name);
|
| 225 |
|
|
extern void dpush(char *nm, EPNODE *ep);
|
| 226 |
|
|
extern void addchan(EPNODE *sp);
|
| 227 |
|
|
extern void getstatement();
|
| 228 |
|
|
extern EPNODE *getdefn();
|
| 229 |
|
|
extern EPNODE *getchan();
|
| 230 |
|
|
/* defined in calexpr.c */
|
| 231 |
|
|
extern EPNODE *eparse(char *expr);
|
| 232 |
|
|
extern double eval(char *expr);
|
| 233 |
|
|
extern int epcmp(EPNODE *ep1, EPNODE *ep2);
|
| 234 |
|
|
extern void epfree(EPNODE *epar);
|
| 235 |
|
|
extern EPNODE *ekid(EPNODE *ep, int n);
|
| 236 |
|
|
extern int nekids(EPNODE *ep);
|
| 237 |
|
|
extern void initfile(FILE *fp, char *fn, int ln);
|
| 238 |
|
|
extern void initstr(char *s, char *fn, int ln);
|
| 239 |
|
|
extern void getscanpos(char **fnp, int *lnp, char **spp, FILE **fpp);
|
| 240 |
|
|
extern int scan(void);
|
| 241 |
|
|
extern char *long2ascii(long l);
|
| 242 |
|
|
extern void syntax(char *err);
|
| 243 |
|
|
extern void addekid(EPNODE *ep, EPNODE *ekid);
|
| 244 |
|
|
extern char *getname(void);
|
| 245 |
|
|
extern int getinum(void);
|
| 246 |
|
|
extern double getnum(void);
|
| 247 |
|
|
extern EPNODE *getE1(void);
|
| 248 |
|
|
extern EPNODE *getE2(void);
|
| 249 |
|
|
extern EPNODE *getE3(void);
|
| 250 |
|
|
extern EPNODE *getE4(void);
|
| 251 |
|
|
extern EPNODE *getE5(void);
|
| 252 |
|
|
extern EPNODE *rconst(EPNODE *epar);
|
| 253 |
|
|
extern int isconstvar(EPNODE *ep);
|
| 254 |
|
|
extern int isconstfun(EPNODE *ep);
|
| 255 |
|
|
/* defined in calfunc.c */
|
| 256 |
|
|
extern int fundefined(char *fname);
|
| 257 |
|
|
extern double funvalue(char *fname, int n, double *a);
|
| 258 |
|
|
extern void funset(char *fname, int nargs, int assign, double (*fptr)());
|
| 259 |
|
|
extern int nargum(void);
|
| 260 |
|
|
extern double argument(int n);
|
| 261 |
|
|
extern VARDEF *argf(int n);
|
| 262 |
|
|
extern char *argfun(int n);
|
| 263 |
|
|
extern double efunc(EPNODE *ep);
|
| 264 |
|
|
extern LIBR *liblookup(char *fname);
|
| 265 |
|
|
extern void libupdate(char *fn);
|
| 266 |
|
|
/* defined in calprnt.c */
|
| 267 |
|
|
extern void eprint(EPNODE *ep, FILE *fp);
|
| 268 |
|
|
extern void dprint(char *name, FILE *fp);
|
| 269 |
|
|
/* defined in savestr.c */
|
| 270 |
|
|
extern char *savestr(char *str);
|
| 271 |
|
|
extern void freestr(char *s);
|
| 272 |
|
|
extern int shash(char *s);
|
| 273 |
|
|
/* defined in ealloc.c */
|
| 274 |
|
|
extern char *emalloc(unsigned int n);
|
| 275 |
|
|
extern char *ecalloc(unsigned int ne, unsigned int es);
|
| 276 |
|
|
extern char *erealloc(char *cp, unsigned int n);
|
| 277 |
|
|
extern void efree(char *cp);
|
| 278 |
|
|
/* miscellaneous */
|
| 279 |
|
|
extern void eputs(char *s);
|
| 280 |
|
|
extern void wputs(char *s);
|
| 281 |
|
|
extern void quit(int code);
|
| 282 |
|
|
/* defined by client */
|
| 283 |
|
|
extern double chanvalue(int n);
|
| 284 |
|
|
|
| 285 |
|
|
#endif
|
