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Diffstat (limited to 'tree/src/vi/ex-070224/ex_vis.h')
| -rw-r--r-- | tree/src/vi/ex-070224/ex_vis.h | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/tree/src/vi/ex-070224/ex_vis.h b/tree/src/vi/ex-070224/ex_vis.h deleted file mode 100644 index 8bdd00e..0000000 --- a/tree/src/vi/ex-070224/ex_vis.h +++ /dev/null @@ -1,329 +0,0 @@ -/* - * This code contains changes by - * Gunnar Ritter, Freiburg i. Br., Germany, 2002. All rights reserved. - * - * Conditions 1, 2, and 4 and the no-warranty notice below apply - * to these changes. - * - * - * Copyright (c) 1980, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * - * Copyright(C) Caldera International Inc. 2001-2002. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * Redistributions of source code and documentation must retain the - * above copyright notice, this list of conditions and the following - * disclaimer. - * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed or owned by Caldera - * International, Inc. - * Neither the name of Caldera International, Inc. nor the names of - * other contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA - * INTERNATIONAL, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE - * LIABLE FOR ANY DIRECT, INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * from ex_vis.h 7.4 (Berkeley) 5/31/85 - * - * Sccsid @(#)ex_vis.h 1.22 (gritter) 8/6/05 - */ - -/* - * Ex version 3 - * Mark Horton, UCB - * Bill Joy UCB - * - * Open and visual mode definitions. - * - * There are actually 4 major states in open/visual modes. These - * are visual, crt open (where the cursor can move about the screen and - * the screen can scroll and be erased), one line open (on dumb glass-crt's - * like the adm3), and hardcopy open (for everything else). - * - * The basic state is given by bastate, and the current state by state, - * since we can be in pseudo-hardcopy mode if we are on an adm3 and the - * line is longer than 80. - */ - -var enum { - VISUAL = 0, - CRTOPEN = 1, - ONEOPEN = 2, - HARDOPEN = 3 -} bastate, state; - -/* - * Maximum screen size in visual mode, dynamically set as needed. - */ -var short TUBELINES; -var short TUBECOLS; -var int TUBESIZE; - -/* - * The screen in visual and crtopen is of varying size; the basic - * window has top basWTOP and basWLINES lines are thereby implied. - * The current window (which may have grown from the basic size) - * has top WTOP and WLINES lines. The top line of the window is WTOP, - * and the bottom line WBOT. The line WECHO is used for messages, - * search strings and the like. If WBOT==WECHO then we are in ONEOPEN - * or HARDOPEN and there is no way back to the line we were on if we - * go to WECHO (i.e. we will have to scroll before we go there, and - * we can't get back). There are WCOLS columns per line. - * If WBOT!=WECHO then WECHO will be the last line on the screen - * and WBOT is the line before it. - */ -var short basWTOP; -var short basWLINES; -var short WTOP; -var short WBOT; -var short WLINES; -var short WCOLS; -var short WECHO; - -/* - * When we are dealing with the echo area we consider the window - * to be "split" and set the variable splitw. Otherwise, moving - * off the bottom of the screen into WECHO causes a screen rollup. - */ -var bool splitw; - -/* - * Information about each line currently on the screen includes - * the y coordinate associated with the line, the printing depth - * of the line (0 indicates unknown), and a mask which indicates - * whether the line is "unclean", i.e. whether we should check - * to make sure the line is displayed correctly at the next - * appropriate juncture. - */ -struct vlinfo { - short vliny; /* Y coordinate */ /* mjm: was char */ - short vdepth; /* Depth of displayed line */ /*mjm: was char */ - short vflags; /* Is line potentially dirty ? */ -}; -var struct vlinfo *vlinfo; - -#define DEPTH(c) (vlinfo[c].vdepth) -#define LINE(c) (vlinfo[c].vliny) -#define FLAGS(c) (vlinfo[c].vflags) - -#define VDIRT 1 -#define VLONG 2 /* Line does not fit on a single screen */ - -/* - * Hacks to copy vlinfo structures around - */ -# define vlcopy(i, j) i = j; - -/* - * The current line on the screen is represented by vcline. - * There are vcnt lines on the screen, the last being "vcnt - 1". - * Vcline is intimately tied to the current value of dot, - * and when command mode is used as a subroutine fancy footwork occurs. - */ -var short vcline; -var short vcnt; - -/* - * To allow many optimizations on output, an exact image of the terminal - * screen is maintained in the space addressed by vtube0. The vtube - * array indexes this space as lines, and is shuffled on scrolls, insert+delete - * lines and the like rather than (more expensively) shuffling the screen - * data itself. It is also rearranged during insert mode across line - * boundaries to make incore work easier. - */ -var cell **vtube; -var cell *vtube0; - -/* - * The current cursor position within the current line is kept in - * cursor. The current line is kept in linebuf. During insertions - * we use the auxiliary array genbuf as scratch area. - * The cursor wcursor and wdot are used in operations within/spanning - * lines to mark the other end of the affected area, or the target - * for a motion. - */ -var char *cursor; -var char *wcursor; -var line *wdot; - -/* - * Undo information is saved in a LBSIZE buffer at "vutmp" for changes - * within the current line, or as for command mode for multi-line changes - * or changes on lines no longer the current line. - * The change kind "VCAPU" is used immediately after a U undo to prevent - * two successive U undo's from destroying the previous state. - */ -#define VNONE 0 -#define VCHNG 1 -#define VMANY 2 -#define VCAPU 3 -#define VMCHNG 4 -#define VMANYINS 5 - -var short vundkind; /* Which kind of undo - from above */ -var char *vutmp; /* Prev line image when "VCHNG" */ - -/* - * State information for undoing of macros. The basic idea is that - * if the macro does only 1 change or even none, we don't treat it - * specially. If it does 2 or more changes we want to be able to - * undo it as a unit. We remember how many changes have been made - * within the current macro. (Remember macros can be nested.) - */ -#define VC_NOTINMAC 0 /* Not in a macro */ -#define VC_NOCHANGE 1 /* In a macro, no changes so far */ -#define VC_ONECHANGE 2 /* In a macro, one change so far */ -#define VC_MANYCHANGE 3 /* In a macro, at least 2 changes so far */ - -var short vch_mac; /* Change state - one of the above */ - -/* - * For U undo's the line is grabbed by "vmove" after it first appears - * on that line. The "vUNDdot" which specifies which line has been - * saved is selectively cleared when changes involving other lines - * are made, i.e. after a 'J' join. This is because a 'JU' would - * lose completely the text of the line just joined on. - */ -var char *vUNDcurs; /* Cursor just before 'U' */ -var line *vUNDdot; /* The line address of line saved in vUNDsav */ -var line vUNDsav; /* Grabbed initial "*dot" */ - -#define killU() vUNDdot = NOLINE - -/* - * There are a number of cases where special behaviour is needed - * from deeply nested routines. This is accomplished by setting - * the bits of hold, which acts to change the state of the general - * visual editing behaviour in specific ways. - * - * HOLDAT prevents the clreol (clear to end of line) routines from - * putting out @'s or ~'s on empty lines. - * - * HOLDDOL prevents the reopen routine from putting a '$' at the - * end of a reopened line in list mode (for hardcopy mode, e.g.). - * - * HOLDROL prevents spurious blank lines when scrolling in hardcopy - * open mode. - * - * HOLDQIK prevents the fake insert mode during repeated commands. - * - * HOLDPUPD prevents updating of the physical screen image when - * mucking around while in insert mode. - * - * HOLDECH prevents clearing of the echo area while rolling the screen - * backwards (e.g.) in deference to the clearing of the area at the - * end of the scroll (1 time instead of n times). The fact that this - * is actually needed is recorded in heldech, which says that a clear - * of the echo area was actually held off. - */ -var short hold; -var short holdupd; /* Hold off update when echo line is too long */ - -#define HOLDAT 1 -#define HOLDDOL 2 -#define HOLDROL 4 -#define HOLDQIK 8 -#define HOLDPUPD 16 -#define HOLDECH 32 -#define HOLDWIG 64 - -/* - * Miscellaneous variables - */ -var short CDCNT; /* Count of ^D's in insert on this line */ -var cell DEL[VBSIZE]; /* Last deleted text */ -var bool HADUP; /* This insert line started with ^ then ^D */ -var bool HADZERO; /* This insert line started with 0 then ^D */ -var cell INS[VBSIZE]; /* Last inserted text */ -var int Vlines; /* Number of file lines "before" vi command */ -var int Xcnt; /* External variable holding last cmd's count */ -var bool Xhadcnt; /* Last command had explicit count? */ -var short ZERO; -var short dir; /* Direction for search (+1 or -1) */ -var short doomed; /* Disply chars right of cursor to be killed */ -var bool gobblebl; /* Wrapmargin space generated nl, eat a space */ -var bool hadcnt; /* (Almost) internal to vmain() */ -var bool heldech; /* We owe a clear of echo area */ -var bool insmode; /* Are in character insert mode */ -var cell lastcmd[5]; /* Chars in last command */ -var int lastcnt; /* Count for last command */ -var cell *lastcp; /* Save current command here to repeat */ -var bool lasthad; /* Last command had a count? */ -var int lastvgk; /* Previous input key, if not from keyboard */ -var short lastreg; /* Register with last command */ -var char *ncols['z'-'a'+2]; /* Cursor positions of marks */ -var char *notenam; /* Name to be noted with change count */ -var char *notesgn; /* Change count from last command */ -var int op; /* Operation of current command */ -var int Peekkey; /* Peek ahead key */ -var bool rubble; /* Line is filthy (in hardcopy open), redraw! */ -var int vSCROLL; /* Number lines to scroll on ^D/^U */ -var cell *vglobp; /* Untyped input (e.g. repeat insert text) */ -var char vmacbuf[VBSIZE]; /* Text of visual macro, hence nonnestable */ -var char *vmacp; /* Like vglobp but for visual macros */ -var char *vmcurs; /* Cursor for restore after undo d), e.g. */ -var short vmovcol; /* Column to try to keep on arrow keys */ -var bool vmoving; /* Are trying to keep vmovcol */ -var short vreg; /* Reg for this command */ /* mjm: was char */ -var short wdkind; /* Liberal/conservative words? */ -var cell workcmd[5]; /* Temporary for lastcmd */ -var char *vcolbp; /* first byte of current character in column */ - - -/* - * Macros - */ -#define INF 30000 -#define LASTLINE LINE(vcnt) -#define OVERBUF QUOTE -#define beep obeep -#define cindent() ((outline - vlinfo[vcline].vliny) * WCOLS + outcol) -#define vputp(cp, cnt) tputs(cp, cnt, vputch) -#define vputc(c) putch(c) |