2.11BSD#431 - /usr/src/bin/tcsh/ed.h

   1: /* $Header: /home/hyperion/mu/christos/src/sys/tcsh-6.00/RCS/ed.h,v 3.0 1991/07/04 21:49:28 christos Exp $ */
   2: /*
   3:  * ed.h: Editor declarations and globals
   4:  */
   5: /*-
   6:  * Copyright (c) 1980, 1991 The Regents of the University of California.
   7:  * All rights reserved.
   8:  *
   9:  * Redistribution and use in source and binary forms, with or without
  10:  * modification, are permitted provided that the following conditions
  11:  * are met:
  12:  * 1. Redistributions of source code must retain the above copyright
  13:  *    notice, this list of conditions and the following disclaimer.
  14:  * 2. Redistributions in binary form must reproduce the above copyright
  15:  *    notice, this list of conditions and the following disclaimer in the
  16:  *    documentation and/or other materials provided with the distribution.
  17:  * 3. All advertising materials mentioning features or use of this software
  18:  *    must display the following acknowledgement:
  19:  *	This product includes software developed by the University of
  20:  *	California, Berkeley and its contributors.
  21:  * 4. Neither the name of the University nor the names of its contributors
  22:  *    may be used to endorse or promote products derived from this software
  23:  *    without specific prior written permission.
  24:  *
  25:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  26:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  29:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  31:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  32:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  33:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  34:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  35:  * SUCH DAMAGE.
  36:  */
  37: #ifndef _h_ed
  38: #define _h_ed
  39: 
  40: #ifndef EXTERN
  41: #define EXTERN extern
  42: #endif
  43: 
  44: #define TABSIZE     8   /* usually 8 spaces/tab */
  45: #ifdef  pdp11           /* jpn: save space */
  46: #define INBUFSIZ    (BUFSIZ / 2)    /* size of input buffer */
  47: #else
  48: #define INBUFSIZ    BUFSIZ  /* size of input buffer */
  49: #endif	/* pdp11 */
  50: #define MAXMACROLEVELS  10  /* max number of nested kbd macros */
  51: 
  52: extern int errno;
  53: 
  54: /****************************************************************************/
  55: /* stuff for the different states returned by the character editor routines */
  56: /****************************************************************************/
  57: 
  58: #define CCRETVAL    char    /* size needed for the different char editor */
  59:  /* return values */
  60: 
  61: #define KEYCMD   unsigned char  /* size needed to index into CcFuncTbl */
  62:  /* Must be unsigned 		       */
  63: 
  64: typedef CCRETVAL(*PFCmd) ();    /* pointer to function returning CCRETVAL */
  65: 
  66: struct KeyFuncs {       /* for the "bind" shell command */
  67:     char   *name;       /* function name for bind command */
  68:     int     func;       /* function numeric value */
  69: #ifdef  LONGFUNCS
  70:     char   *description;    /* description of function */
  71: #endif
  72: };
  73: 
  74: extern PFCmd CcFuncTbl[];   /* table of available commands */
  75: extern KEYCMD CcKeyMap[];   /* keymap table, each index into above tbl */
  76: extern KEYCMD CcAltMap[];   /* Alt keymap table */
  77: extern KEYCMD CcEmacsMap[]; /* keymap table for Emacs default bindings */
  78: extern KEYCMD CcViMap[];    /* keymap table for Vi input mode defaults */
  79: extern KEYCMD CcViCmdMap[]; /* for Vi command mode defaults */
  80: extern struct KeyFuncs FuncNames[]; /* string names vs. CcFuncTbl indices */
  81: 
  82: EXTERN KEYCMD NumFuns;      /* number of KEYCMDs in above table */
  83: 
  84: #define CC_ERROR        100 /* there should NOT be 100 different... */
  85: #define CC_FATAL        101 /* fatal error: inconsistant, must
  86: 					 * reset */
  87: #define CC_NORM         0
  88: #define CC_NEWLINE      1
  89: #define CC_EOF          2
  90: #define CC_COMPLETE     3
  91: #define CC_LIST_CHOICES     4
  92: #define CC_LIST_GLOB        5
  93: #define CC_EXPAND_GLOB      6
  94: #define CC_HELPME       9
  95: #define CC_CORRECT      10
  96: #define CC_WHICH        11
  97: #define CC_ARGHACK      12
  98: #define CC_CORRECT_L        13
  99: #define CC_REFRESH      14
 100: #define CC_EXPAND_VARS      15
 101: 
 102: /*************************/
 103: /* tty state             */
 104: /*************************/
 105: 
 106: 
 107: #ifndef POSIX
 108: #ifdef TERMIO
 109: EXTERN struct termio nio;
 110: EXTERN struct termio xio;
 111: EXTERN struct termio testio;
 112: 
 113: #if defined(OREO) || defined(hpux) || defined(_IBMR2)
 114: EXTERN struct ltchars nlc;
 115: EXTERN struct ltchars xlc;
 116: EXTERN struct ltchars testlc;
 117: 
 118: #endif				/* OREO || hpux || _IBMR2 */
 119: 
 120: #else               /* GSTTY */
 121: EXTERN struct sgttyb nb;    /* original setup tty bits */
 122: EXTERN struct tchars ntc;
 123: EXTERN struct ltchars nlc;
 124: EXTERN int nlb;
 125: 
 126: EXTERN struct sgttyb xb;    /* running setup tty bits */
 127: EXTERN struct tchars xtc;
 128: EXTERN struct ltchars xlc;
 129: EXTERN int xlb;
 130: 
 131: EXTERN struct sgttyb testsgb;   /* running setup tty bits */
 132: EXTERN int testnlb;     /* test local mode word */
 133: EXTERN struct tchars testtc;
 134: EXTERN struct ltchars testlc;
 135: 
 136: #ifdef TIOCGPAGE
 137: EXTERN struct ttypagestat npc;
 138: EXTERN struct ttypagestat xpc;
 139: EXTERN struct ttypagestat testpc;
 140: 
 141: #endif				/* TIOCGPAGE */
 142: 
 143: #endif				/* TERMIO */
 144: #else               /* POSIX */
 145: EXTERN struct termios nio;
 146: EXTERN struct termios xio;
 147: EXTERN struct termios testio;
 148: 
 149: #if defined(hpux)
 150: EXTERN struct ltchars nlc;
 151: EXTERN struct ltchars xlc;
 152: EXTERN struct ltchars testlc;
 153: 
 154: #endif				/* hpux */
 155: #endif				/* POSIX */
 156: 
 157: 
 158: 
 159: /****************************/
 160: /* Editor state and buffers */
 161: /****************************/
 162: 
 163: EXTERN KEYCMD *Cur_KeyMap;  /* current command key map */
 164: EXTERN int replacemode;     /* true if in overwrite mode */
 165: EXTERN Char GettingInput;   /* true if getting an input line (mostly) */
 166: EXTERN Char NeedsRedraw;    /* for editor and twenex error messages */
 167: EXTERN Char InputBuf[INBUFSIZ]; /* the real input data */
 168: EXTERN Char *LastChar, *Cursor; /* point to the next open space */
 169: EXTERN Char *InputLim;      /* limit of size of InputBuf */
 170: EXTERN Char MetaNext;       /* flags for ^V and ^[ functions */
 171: EXTERN Char AltKeyMap;      /* Using alternative command map (for vi mode) */
 172: EXTERN Char VImode;     /* true if running in vi mode (PWP 6-27-88) */
 173: EXTERN Char *Mark;      /* the emacs "mark" (dot is Cursor) */
 174: EXTERN Char DoingArg;       /* true if we have an argument */
 175: EXTERN int Argument;        /* "universal" argument value */
 176: EXTERN KEYCMD LastCmd;      /* previous command executed */
 177: EXTERN Char KillBuf[INBUFSIZ];  /* kill buffer */
 178: EXTERN Char *LastKill;      /* points to end of kill buffer */
 179: EXTERN Char HistBuf[INBUFSIZ];  /* history buffer */
 180: EXTERN Char *LastHist;      /* points to end of history buffer */
 181: EXTERN int Hist_num;        /* what point up the history we are at now. */
 182: EXTERN Char WhichBuf[INBUFSIZ]; /* buffer for which command */
 183: EXTERN Char *LastWhich;     /* points to end of which buffer */
 184: EXTERN Char *CursWhich;     /* points to the cursor point in which buf */
 185: EXTERN int HistWhich;       /* Hist_num is saved in this */
 186: EXTERN Char *SearchPrompt;  /* points to string that holds search prompt */
 187: EXTERN Char DoingSearch;    /* true if we are doing a history search */
 188: EXTERN char Expand;     /* true if we are expanding a line */
 189: EXTERN Char HistLit;        /* true if history lines are shown literal */
 190: EXTERN Char Cur_HistLit;    /* Literal status of current show history line */
 191: 
 192: /*
 193:  * These are truly extern
 194:  */
 195: extern Char PromptBuf[];
 196: extern short SHIN, SHOUT;
 197: extern int MacroLvl;
 198: 
 199: EXTERN Char *KeyMacro[MAXMACROLEVELS];
 200: 
 201: EXTERN Char **Display;      /* display buffer seed vector */
 202: EXTERN int CursorV,     /* real cursor vertical (line) */
 203:         CursorH,        /* real cursor horisontal (column) */
 204:         TermV,          /* number of real screen lines
 205: 				 * (sizeof(DisplayBuf) / width */
 206:         TermH;          /* screen width */
 207: EXTERN Char **Vdisplay;     /* new buffer */
 208: 
 209: /* Variables that describe terminal ability */
 210: EXTERN int T_Lines, T_Cols; /* Rows and Cols of the terminal */
 211: EXTERN Char T_CanIns;       /* true if I can insert characters */
 212: EXTERN Char T_CanDel;       /* dito for delete characters */
 213: EXTERN Char T_Tabs;     /* true if tty interface is passing tabs */
 214: EXTERN speed_t T_Speed;     /* Tty input Baud rate */
 215: EXTERN Char T_CanCEOL;      /* true if we can clear to end of line */
 216: EXTERN Char T_CanUP;        /* true if this term can do reverse linefeen */
 217: EXTERN Char T_HasMeta;      /* true if we have a meta key */
 218: 
 219: /* note the extra characters in the index() call in this macro */
 220: #define isword(c)   (Isalpha(c)||Isdigit(c)||Strchr(word_chars,c))
 221: #define min(x,y)    (((x)<(y))?(x):(y))
 222: #define max(x,y)    (((x)>(y))?(x):(y))
 223: 
 224: #include "ed.decls.h"
 225: 
 226: #endif				/* _h_ed */

Defined functions

Defined variables

Defined struct's

Defined macros

Usage of this include