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/* Copyright (c) 1992 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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/* RCSid $Id$ */ |
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/* |
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* calcomp.h - header file for expression parser. |
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* |
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*/ |
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/* EPNODE types */ |
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#ifndef _RAD_CALCOMP_H_ |
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#define _RAD_CALCOMP_H_ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#define VAR 1 |
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#define NUM 2 |
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#define UMINUS 3 |
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typedef struct vardef VARDEF; /* a variable definition */ |
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#define MAXWORD 63 /* maximum word/id length */ |
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#define RMAXWORD 127 /* maximum word/id length */ |
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#define CNTXMARK '`' /* context mark */ |
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#define isid(c) (isalnum(c) || (c) == '_' || \ |
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(c) == '.' || (c) == CNTXMARK) |
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extern double eval(), varvalue(), chanvalue(), funvalue(); |
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extern double argument(), getnum(); |
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#define evalue(ep) (*eoper[(ep)->type])(ep) |
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|
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/* flags to set in esupport */ |
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#define E_VARIABLE 001 |
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#define E_FUNCTION 002 |
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#define E_INCHAN 004 |
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#define E_OUTCHAN 010 |
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#define E_RCONST 020 |
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#define E_REDEFW 040 |
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extern double (*eoper[])(); |
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extern int getinum(); |
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extern char *getname(), *qualname(), *argfun(); |
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extern char *setcontext(), *pushcontext(), *popcontext(); |
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extern EPNODE *eparse(), *ekid(), *dlookup(), *dpop(), *dfirst(), *dnext(); |
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extern EPNODE *getdefn(), *getchan(); |
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extern EPNODE *getE1(), *getE2(), *getE3(), *getE4(), *getE5(), *rconst(); |
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extern VARDEF *varinsert(), *varlookup(), *argf(); |
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extern LIBR *liblookup(); |
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extern unsigned long eclock; |
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extern unsigned int esupport; |
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extern EPNODE *curfunc; |
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extern int nextc; |
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#define evalue(ep) (*eoper[(ep)->type])(ep) |
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/* defined in caldefn.c */ |
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extern void fcompile(char *fname); |
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extern void scompile(char *str, char *fname, int ln); |
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extern double varvalue(char *vname); |
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extern double evariable(EPNODE *ep); |
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extern void varset(char *fname, int assign, double val); |
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extern void dclear(char *name); |
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extern void dremove(char *name); |
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extern int vardefined(char *name); |
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extern char *setcontext(char *ctx); |
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extern char *pushcontext(char *ctx); |
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extern char *popcontext(void); |
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extern char *qualname(char *nam, int lvl); |
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extern int incontext(char *qn); |
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extern void chanout(void (*cs)(int n, double v)); |
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extern void dcleanup(int lvl); |
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extern EPNODE *dlookup(char *name); |
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extern VARDEF *varlookup(char *name); |
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extern VARDEF *varinsert(char *name); |
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extern void varfree(VARDEF *ln); |
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extern EPNODE *dfirst(void); |
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extern EPNODE *dnext(void); |
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extern EPNODE *dpop(char *name); |
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extern void dpush(char *nm, EPNODE *ep); |
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extern void addchan(EPNODE *sp); |
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extern void getstatement(); |
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extern EPNODE *getdefn(); |
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extern EPNODE *getchan(); |
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/* defined in calexpr.c */ |
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extern EPNODE *eparse(char *expr); |
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extern double eval(char *expr); |
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extern int epcmp(EPNODE *ep1, EPNODE *ep2); |
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extern void epfree(EPNODE *epar); |
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extern EPNODE *ekid(EPNODE *ep, int n); |
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extern int nekids(EPNODE *ep); |
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extern void initfile(FILE *fp, char *fn, int ln); |
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extern void initstr(char *s, char *fn, int ln); |
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extern void getscanpos(char **fnp, int *lnp, char **spp, FILE **fpp); |
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extern int scan(void); |
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extern char *long2ascii(long l); |
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extern void syntax(char *err); |
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extern void addekid(EPNODE *ep, EPNODE *ekid); |
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extern char *getname(void); |
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extern int getinum(void); |
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extern double getnum(void); |
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extern EPNODE *getE1(void); |
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extern EPNODE *getE2(void); |
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extern EPNODE *getE3(void); |
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extern EPNODE *getE4(void); |
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extern EPNODE *getE5(void); |
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extern EPNODE *rconst(EPNODE *epar); |
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extern int isconstvar(EPNODE *ep); |
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extern int isconstfun(EPNODE *ep); |
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/* defined in calfunc.c */ |
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extern int fundefined(char *fname); |
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extern double funvalue(char *fname, int n, double *a); |
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extern void funset(char *fname, int nargs, int assign, double (*fptr)()); |
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extern int nargum(void); |
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extern double argument(int n); |
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extern VARDEF *argf(int n); |
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extern char *argfun(int n); |
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extern double efunc(EPNODE *ep); |
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extern LIBR *liblookup(char *fname); |
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extern void libupdate(char *fn); |
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/* defined in calprnt.c */ |
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extern void eprint(EPNODE *ep, FILE *fp); |
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extern void dprint(char *name, FILE *fp); |
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/* defined in savestr.c */ |
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extern char *savestr(char *str); |
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extern void freestr(char *s); |
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extern int shash(char *s); |
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/* defined in ealloc.c */ |
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extern char *emalloc(unsigned int n); |
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extern char *ecalloc(unsigned int ne, unsigned int es); |
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extern char *erealloc(char *cp, unsigned int n); |
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extern void efree(char *cp); |
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/* miscellaneous */ |
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extern void eputs(char *s); |
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extern void wputs(char *s); |
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extern void quit(int code); |
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/* defined by client */ |
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extern double chanvalue(int n); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_CALCOMP_H_ */ |
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