115 lines
3.5 KiB
C
Executable file
115 lines
3.5 KiB
C
Executable file
/* vars.c */
|
|
|
|
/* Author:
|
|
* Steve Kirkendall
|
|
* 14407 SW Teal Blvd. #C
|
|
* Beaverton, OR 97005
|
|
* kirkenda@cs.pdx.edu
|
|
*/
|
|
|
|
|
|
/* This file contains variables which weren't happy anyplace else */
|
|
|
|
#include "config.h"
|
|
#include "vi.h"
|
|
|
|
/*------------------------------------------------------------------------*/
|
|
|
|
/* used to remember whether the file has been modified */
|
|
struct _viflags viflags;
|
|
|
|
/* used to access the tmp file */
|
|
long lnum[MAXBLKS];
|
|
long nlines;
|
|
int tmpfd = -1;
|
|
int tmpnum;
|
|
#ifndef CRUNCH
|
|
int wset = FALSE;
|
|
#endif
|
|
|
|
/* used to keep track of the current file & alternate file */
|
|
long origtime;
|
|
char origname[256];
|
|
char prevorig[256];
|
|
long prevline = 1;
|
|
|
|
/* used to track various places in the text */
|
|
MARK mark[NMARKS]; /* marks 'a through 'z, plus mark '' */
|
|
MARK cursor; /* the cursor position within the file */
|
|
|
|
/* which mode of the editor we're in */
|
|
int mode; /* vi mode? ex mode? quitting? */
|
|
|
|
/* used to manage the args list */
|
|
char args[BLKSIZE]; /* list of filenames to edit */
|
|
int argno; /* index of current file in args list */
|
|
int nargs; /* number of filenames in args[] */
|
|
|
|
/* dummy var, never explicitly referenced */
|
|
int bavar; /* used only in BeforeAfter macros */
|
|
|
|
/* used to detect changes that invalidate cached text/blocks */
|
|
long changes; /* incremented when file is changed */
|
|
int significant; /* boolean: was a *REAL* change made? */
|
|
|
|
/* used to support the pfetch() macro */
|
|
int plen; /* length of the line */
|
|
long pline; /* line number that len refers to */
|
|
long pchgs; /* "changes" level that len refers to */
|
|
char *ptext; /* text of previous line, if valid */
|
|
|
|
/* misc temporary storage - mostly for strings */
|
|
BLK tmpblk; /* a block used to accumulate changes */
|
|
|
|
/* screen oriented stuff */
|
|
long topline; /* file line number of top line */
|
|
int leftcol; /* column number of left col */
|
|
int physcol; /* physical column number that cursor is on */
|
|
int physrow; /* physical row number that cursor is on */
|
|
|
|
/* used to help minimize that "[Hit a key to continue]" message */
|
|
int exwrote; /* Boolean: was the last ex command wordy? */
|
|
|
|
/* This variable affects the behaviour of certain functions -- most importantly
|
|
* the input function.
|
|
*/
|
|
int doingdot; /* boolean: are we doing the "." command? */
|
|
|
|
/* This variable affects the behaviour of the ":s" command, and it is also
|
|
* used to detect & prohibit nesting of ":g" commands
|
|
*/
|
|
int doingglobal; /* boolean: are doing a ":g" command? */
|
|
|
|
/* This variable is zeroed before a command executes, and later ORed with the
|
|
* command's flags after the command has been executed. It is used to force
|
|
* certain flags to be TRUE for *some* invocations of a particular command.
|
|
* For example, "/regexp/+offset" forces the LNMD flag, and sometimes a "p"
|
|
* or "P" command will force FRNT.
|
|
*/
|
|
int force_flags;
|
|
|
|
/* These are used for reporting multi-line changes to the user */
|
|
long rptlines; /* number of lines affected by a command */
|
|
char *rptlabel; /* description of how lines were affected */
|
|
|
|
/* These store info that pertains to the shift-U command */
|
|
long U_line; /* line# of the undoable line, or 0l for none */
|
|
char U_text[BLKSIZE]; /* contents of the undoable line */
|
|
|
|
|
|
#ifndef NO_VISIBLE
|
|
/* These are used to implement the 'v' and 'V' commands */
|
|
MARK V_from; /* starting point for v or V */
|
|
int V_linemd; /* boolean: doing line-mode version? (V, not v) */
|
|
#endif
|
|
|
|
/* Bigger stack req'ed for TOS and TURBOC */
|
|
|
|
#if TOS
|
|
long _stksize = 16384;
|
|
#endif
|
|
|
|
#if TURBOC
|
|
#include <dos.h>
|
|
extern unsigned _stklen = 16384U;
|
|
#endif
|