/*
* Command execution
* Copyright
* (C) 1992 Joseph H. Allen
*
* This file is part of JOE (Joe's Own Editor)
*/
/* Command entry */
struct cmd {
const char *name; /* Command name */
int flag; /* Execution flags */
int (*func) (W *w, int k); /* Function bound to name */
MACRO *m; /* Macro bound to name */
int arg; /* 0= arg is meaningless, 1= ok */
const char *negarg; /* Command to use if arg was negative */
};
extern CMD cmds[]; /* Built-in commands */
extern int joe_beep; /* Enable beep on command error */
/* Command execution flags */
#define EMID 1 /* Recenter screen */
#define ECHKXCOL 2 /* Don't execute command if cursor column is wrong */
#define EFIXXCOL 4 /* Fix column position after command has executed */
#define EMINOR 8 /* Full screen update not needed */
#define EPOS 16 /* A position history command */
#define EMOVE 32 /* A movement for position history purposes */
#define EKILL 64 /* Function is a kill */
#define EMOD 128 /* Not allowed on readonly files */
/* These use same bits as TYPE* in types.h */
#define EBLOCK 0x4000 /* Finish block selection (call udropon) */
#define EMETA 0x10000 /* JM: Executes even when if flag is zero */
/* CMD *findcmd(char *s);
* Return command address for given name
*/
CMD *findcmd(const char *s);
void addcmd(const char *s, MACRO *m);
/* Execute a command. Returns return value of command */
int execmd(CMD *cmd, int k);
void do_auto_scroll();
extern B *cmdhist; /* Command history buffer */
int try_lock(BW *bw,B *b);
int modify_logic(BW *bw,B *b);
int uexecmd(W *w, int k);
extern int nolocks; /* Disable file locking */
extern int nomodcheck; /* Disable file modified check */
