| 1 | /* vars.c */
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| 2 |
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| 3 | /* Author:
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| 4 | * Steve Kirkendall
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| 5 | * 14407 SW Teal Blvd. #C
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| 6 | * Beaverton, OR 97005
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| 7 | * kirkenda@cs.pdx.edu
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| 8 | */
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| 9 |
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| 10 |
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| 11 | /* This file contains variables which weren't happy anyplace else */
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| 12 |
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| 13 | #include "config.h"
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| 14 | #include "vi.h"
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| 15 |
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| 16 | /*------------------------------------------------------------------------*/
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| 17 |
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| 18 | /* used to remember whether the file has been modified */
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| 19 | struct _viflags viflags;
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| 20 |
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| 21 | /* used to access the tmp file */
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| 22 | long lnum[MAXBLKS];
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| 23 | long nlines;
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| 24 | int tmpfd = -1;
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| 25 | int tmpnum;
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| 26 | #ifndef CRUNCH
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| 27 | int wset = FALSE;
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| 28 | #endif
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| 29 |
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| 30 | /* used to keep track of the current file & alternate file */
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| 31 | long origtime;
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| 32 | char origname[256];
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| 33 | char prevorig[256];
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| 34 | long prevline = 1;
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| 35 |
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| 36 | /* used to track various places in the text */
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| 37 | MARK mark[NMARKS]; /* marks 'a through 'z, plus mark '' */
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| 38 | MARK cursor; /* the cursor position within the file */
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| 39 |
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| 40 | /* which mode of the editor we're in */
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| 41 | int mode; /* vi mode? ex mode? quitting? */
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| 42 |
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| 43 | /* used to manage the args list */
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| 44 | char args[BLKSIZE]; /* list of filenames to edit */
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| 45 | int argno; /* index of current file in args list */
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| 46 | int nargs; /* number of filenames in args[] */
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| 47 |
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| 48 | /* dummy var, never explicitly referenced */
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| 49 | int bavar; /* used only in BeforeAfter macros */
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| 50 |
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| 51 | /* used to detect changes that invalidate cached text/blocks */
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| 52 | long changes; /* incremented when file is changed */
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| 53 | int significant; /* boolean: was a *REAL* change made? */
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| 54 |
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| 55 | /* used to support the pfetch() macro */
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| 56 | int plen; /* length of the line */
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| 57 | long pline; /* line number that len refers to */
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| 58 | long pchgs; /* "changes" level that len refers to */
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| 59 | char *ptext; /* text of previous line, if valid */
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| 60 |
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| 61 | /* misc temporary storage - mostly for strings */
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| 62 | BLK tmpblk; /* a block used to accumulate changes */
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| 63 |
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| 64 | /* screen oriented stuff */
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| 65 | long topline; /* file line number of top line */
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| 66 | int leftcol; /* column number of left col */
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| 67 | int physcol; /* physical column number that cursor is on */
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| 68 | int physrow; /* physical row number that cursor is on */
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| 69 |
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| 70 | /* used to help minimize that "[Hit a key to continue]" message */
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| 71 | int exwrote; /* Boolean: was the last ex command wordy? */
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| 72 |
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| 73 | /* This variable affects the behaviour of certain functions -- most importantly
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| 74 | * the input function.
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| 75 | */
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| 76 | int doingdot; /* boolean: are we doing the "." command? */
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| 77 |
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| 78 | /* This variable affects the behaviour of the ":s" command, and it is also
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| 79 | * used to detect & prohibit nesting of ":g" commands
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| 80 | */
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| 81 | int doingglobal; /* boolean: are doing a ":g" command? */
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| 82 |
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| 83 | /* This variable is zeroed before a command executes, and later ORed with the
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| 84 | * command's flags after the command has been executed. It is used to force
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| 85 | * certain flags to be TRUE for *some* invocations of a particular command.
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| 86 | * For example, "/regexp/+offset" forces the LNMD flag, and sometimes a "p"
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| 87 | * or "P" command will force FRNT.
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| 88 | */
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| 89 | int force_flags;
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| 90 |
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| 91 | /* These are used for reporting multi-line changes to the user */
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| 92 | long rptlines; /* number of lines affected by a command */
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| 93 | char *rptlabel; /* description of how lines were affected */
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| 94 |
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| 95 | /* These store info that pertains to the shift-U command */
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| 96 | long U_line; /* line# of the undoable line, or 0l for none */
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| 97 | char U_text[BLKSIZE]; /* contents of the undoable line */
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| 98 |
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| 99 |
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| 100 | #ifndef NO_VISIBLE
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| 101 | /* These are used to implement the 'v' and 'V' commands */
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| 102 | MARK V_from; /* starting point for v or V */
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| 103 | int V_linemd; /* boolean: doing line-mode version? (V, not v) */
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| 104 | #endif
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| 105 |
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| 106 | /* Bigger stack req'ed for TOS and TURBOC */
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| 107 |
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| 108 | #if TOS
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| 109 | long _stksize = 16384;
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| 110 | #endif
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| 111 |
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| 112 | #if TURBOC
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| 113 | #include <dos.h>
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| 114 | extern unsigned _stklen = 16384U;
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| 115 | #endif
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