| 15 |
|
#define ARG 6 |
| 16 |
|
#define TICK 7 |
| 17 |
|
#define SYM 8 |
| 18 |
< |
/* also: '+', '-', '*', '/', '^', '=' */ |
| 18 |
> |
/* also: '+', '-', '*', '/', '^', '=', ':' */ |
| 19 |
|
|
| 20 |
|
typedef struct { |
| 21 |
|
char *fname; /* function name */ |
| 22 |
< |
int nargs; /* # of required arguments */ |
| 22 |
> |
short nargs; /* # of required arguments */ |
| 23 |
> |
short atyp; /* assignment type (':' or '=') */ |
| 24 |
|
double (*f)(); /* pointer to function */ |
| 25 |
|
} LIBR; /* a library function */ |
| 26 |
|
|
| 45 |
|
|
| 46 |
|
typedef struct vardef VARDEF; /* a variable definition */ |
| 47 |
|
|
| 48 |
+ |
#define MAXWORD 64 /* maximum word/id length */ |
| 49 |
+ |
#define CNTXMARK '`' /* context mark */ |
| 50 |
+ |
|
| 51 |
+ |
#define isid(c) (isalnum(c) || (c) == '_' || \ |
| 52 |
+ |
(c) == '.' || (c) == CNTXMARK) |
| 53 |
+ |
|
| 54 |
|
extern double eval(), varvalue(), chanvalue(), funvalue(); |
| 55 |
|
extern double argument(), getnum(); |
| 56 |
|
extern double (*eoper[])(); |
| 57 |
|
extern int getinum(); |
| 58 |
< |
extern char *getname(), *argfun(); |
| 58 |
> |
extern char *getname(), *qualname(), *setcontext(), *argfun(); |
| 59 |
|
extern EPNODE *eparse(), *ekid(), *dlookup(), *dpop(), *dfirst(), *dnext(); |
| 60 |
|
extern EPNODE *getdefn(), *getchan(); |
| 61 |
|
extern EPNODE *getE1(), *getE2(), *getE3(), *getE4(), *getE5(), *rconst(); |
| 66 |
|
extern int errno; |
| 67 |
|
|
| 68 |
|
#define evalue(ep) (*eoper[(ep)->type])(ep) |
| 62 |
– |
|
| 63 |
– |
#ifdef CPM |
| 64 |
– |
#define defined(D) D |
| 65 |
– |
#endif |
