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evar.h
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/* EVAR.H
*
* Environment and user variable definitions
*
* written 1986 by Daniel Lawrence
* modified by Petri Kutvonen
*/
#ifndef EVAR_H_
#define EVAR_H_
/* Max #chars in a var name. */
#define NVSIZE 10
/* Structure to hold user variables and their definitions. */
struct user_variable {
char u_name[NVSIZE + 1]; /* name of user variable */
char *u_value; /* value (string) */
};
/* List of recognized environment variables. */
static char *envars[] = {
"fillcol", /* current fill column */
"pagelen", /* number of lines used by editor */
"curcol", /* current column pos of cursor */
"curline", /* current line in file */
"ram", /* ram in use by malloc */
"flicker", /* flicker supression */
"curwidth", /* current screen width */
"cbufname", /* current buffer name */
"cfname", /* current file name */
"sres", /* current screen resolution */
"debug", /* macro debugging */
"status", /* returns the status of the last command */
"palette", /* current palette string */
"asave", /* # of chars between auto-saves */
"acount", /* # of chars until next auto-save */
"lastkey", /* last keyboard char struck */
"curchar", /* current character under the cursor */
"discmd", /* display commands on command line */
"version", /* current version number */
"progname", /* returns current prog name - "MicroEMACS" */
"seed", /* current random number seed */
"disinp", /* display command line input characters */
"wline", /* # of lines in current window */
"cwline", /* current screen line in window */
"target", /* target for line moves */
"search", /* search pattern */
"replace", /* replacement pattern */
"match", /* last matched magic pattern */
"kill", /* kill buffer (read only) */
"cmode", /* mode of current buffer */
"gmode", /* global modes */
"tpause", /* length to pause for paren matching */
"pending", /* type ahead pending flag */
"lwidth", /* width of current line */
"line", /* text of current line */
"gflags", /* global internal emacs flags */
"rval", /* child process return value */
"tab", /* tab 4 or 8 */
"overlap",
"jump",
#if SCROLLCODE
"scroll", /* scroll enabled */
#endif
};
/* And its preprocesor definitions. */
#define EVFILLCOL 0
#define EVPAGELEN 1
#define EVCURCOL 2
#define EVCURLINE 3
#define EVRAM 4
#define EVFLICKER 5
#define EVCURWIDTH 6
#define EVCBUFNAME 7
#define EVCFNAME 8
#define EVSRES 9
#define EVDEBUG 10
#define EVSTATUS 11
#define EVPALETTE 12
#define EVASAVE 13
#define EVACOUNT 14
#define EVLASTKEY 15
#define EVCURCHAR 16
#define EVDISCMD 17
#define EVVERSION 18
#define EVPROGNAME 19
#define EVSEED 20
#define EVDISINP 21
#define EVWLINE 22
#define EVCWLINE 23
#define EVTARGET 24
#define EVSEARCH 25
#define EVREPLACE 26
#define EVMATCH 27
#define EVKILL 28
#define EVCMODE 29
#define EVGMODE 30
#define EVTPAUSE 31
#define EVPENDING 32
#define EVLWIDTH 33
#define EVLINE 34
#define EVGFLAGS 35
#define EVRVAL 36
#define EVTAB 37
#define EVOVERLAP 38
#define EVSCROLLCOUNT 39
#define EVSCROLL 40
enum function_type {
NILNAMIC = 0,
MONAMIC,
DYNAMIC,
TRINAMIC,
};
/* List of recognized user functions. */
struct user_function {
char *f_name;
enum function_type f_type;
};
static struct user_function funcs[] = {
{"add", DYNAMIC}, /* add two numbers together */
{"sub", DYNAMIC}, /* subtraction */
{"tim", DYNAMIC}, /* multiplication */
{"div", DYNAMIC}, /* division */
{"mod", DYNAMIC}, /* mod */
{"neg", MONAMIC}, /* negate */
{"cat", DYNAMIC}, /* concatinate string */
{"lef", DYNAMIC}, /* left string(string, len) */
{"rig", DYNAMIC}, /* right string(string, pos) */
{"mid", TRINAMIC}, /* mid string(string, pos, len) */
{"not", MONAMIC}, /* logical not */
{"equ", DYNAMIC}, /* logical equality check */
{"les", DYNAMIC}, /* logical less than */
{"gre", DYNAMIC}, /* logical greater than */
{"seq", DYNAMIC}, /* string logical equality check */
{"sle", DYNAMIC}, /* string logical less than */
{"sgr", DYNAMIC}, /* string logical greater than */
{"ind", MONAMIC}, /* evaluate indirect value */
{"and", DYNAMIC}, /* logical and */
{"or", DYNAMIC}, /* logical or */
{"len", MONAMIC}, /* string length */
{"upp", MONAMIC}, /* uppercase string */
{"low", MONAMIC}, /* lower case string */
{"tru", MONAMIC}, /* Truth of the universe logical test */
{"asc", MONAMIC}, /* char to integer conversion */
{"chr", MONAMIC}, /* integer to char conversion */
{"gtk", NILNAMIC}, /* get 1 charater */
{"rnd", MONAMIC}, /* get a random number */
{"abs", MONAMIC}, /* absolute value of a number */
{"sin", DYNAMIC}, /* find the index of one string in another */
{"env", MONAMIC}, /* retrieve a system environment var */
{"bin", MONAMIC}, /* loopup what function name is bound to a key */
{"exi", MONAMIC}, /* check if a file exists */
{"fin", MONAMIC}, /* look for a file on the path... */
{"ban", DYNAMIC}, /* bitwise and 9-10-87 jwm */
{"bor", DYNAMIC}, /* bitwise or 9-10-87 jwm */
{"bxo", DYNAMIC}, /* bitwise xor 9-10-87 jwm */
{"bno", MONAMIC}, /* bitwise not */
{"xla", TRINAMIC}, /* XLATE character string translation */
};
/* And its preprocesor definitions. */
#define UFADD 0
#define UFSUB 1
#define UFTIMES 2
#define UFDIV 3
#define UFMOD 4
#define UFNEG 5
#define UFCAT 6
#define UFLEFT 7
#define UFRIGHT 8
#define UFMID 9
#define UFNOT 10
#define UFEQUAL 11
#define UFLESS 12
#define UFGREATER 13
#define UFSEQUAL 14
#define UFSLESS 15
#define UFSGREAT 16
#define UFIND 17
#define UFAND 18
#define UFOR 19
#define UFLENGTH 20
#define UFUPPER 21
#define UFLOWER 22
#define UFTRUTH 23
#define UFASCII 24
#define UFCHR 25
#define UFGTKEY 26
#define UFRND 27
#define UFABS 28
#define UFSINDEX 29
#define UFENV 30
#define UFBIND 31
#define UFEXIST 32
#define UFFIND 33
#define UFBAND 34
#define UFBOR 35
#define UFBXOR 36
#define UFBNOT 37
#define UFXLATE 38
#endif /* EVAR_H_ */