/* $Header: /home/hyperion/mu/christos/src/sys/tcsh-6.00/RCS/ed.h,v 3.0 1991/07/04 21:49:28 christos Exp $ */ /* * ed.h: Editor declarations and globals */ /*- * Copyright (c) 1980, 1991 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. */ #ifndef _h_ed #define _h_ed #ifndef EXTERN #define EXTERN extern #endif #define TABSIZE 8 /* usually 8 spaces/tab */ #ifdef pdp11 /* jpn: save space */ #define INBUFSIZ (BUFSIZ / 2) /* size of input buffer */ #else #define INBUFSIZ BUFSIZ /* size of input buffer */ #endif /* pdp11 */ #define MAXMACROLEVELS 10 /* max number of nested kbd macros */ extern int errno; /****************************************************************************/ /* stuff for the different states returned by the character editor routines */ /****************************************************************************/ #define CCRETVAL char /* size needed for the different char editor */ /* return values */ #define KEYCMD unsigned char /* size needed to index into CcFuncTbl */ /* Must be unsigned */ typedef CCRETVAL(*PFCmd) (); /* pointer to function returning CCRETVAL */ struct KeyFuncs { /* for the "bind" shell command */ char *name; /* function name for bind command */ int func; /* function numeric value */ #ifdef LONGFUNCS char *description; /* description of function */ #endif }; extern PFCmd CcFuncTbl[]; /* table of available commands */ extern KEYCMD CcKeyMap[]; /* keymap table, each index into above tbl */ extern KEYCMD CcAltMap[]; /* Alt keymap table */ extern KEYCMD CcEmacsMap[]; /* keymap table for Emacs default bindings */ extern KEYCMD CcViMap[]; /* keymap table for Vi input mode defaults */ extern KEYCMD CcViCmdMap[]; /* for Vi command mode defaults */ extern struct KeyFuncs FuncNames[]; /* string names vs. CcFuncTbl indices */ EXTERN KEYCMD NumFuns; /* number of KEYCMDs in above table */ #define CC_ERROR 100 /* there should NOT be 100 different... */ #define CC_FATAL 101 /* fatal error: inconsistant, must * reset */ #define CC_NORM 0 #define CC_NEWLINE 1 #define CC_EOF 2 #define CC_COMPLETE 3 #define CC_LIST_CHOICES 4 #define CC_LIST_GLOB 5 #define CC_EXPAND_GLOB 6 #define CC_HELPME 9 #define CC_CORRECT 10 #define CC_WHICH 11 #define CC_ARGHACK 12 #define CC_CORRECT_L 13 #define CC_REFRESH 14 #define CC_EXPAND_VARS 15 /*************************/ /* tty state */ /*************************/ #ifndef POSIX #ifdef TERMIO EXTERN struct termio nio; EXTERN struct termio xio; EXTERN struct termio testio; #if defined(OREO) || defined(hpux) || defined(_IBMR2) EXTERN struct ltchars nlc; EXTERN struct ltchars xlc; EXTERN struct ltchars testlc; #endif /* OREO || hpux || _IBMR2 */ #else /* GSTTY */ EXTERN struct sgttyb nb; /* original setup tty bits */ EXTERN struct tchars ntc; EXTERN struct ltchars nlc; EXTERN int nlb; EXTERN struct sgttyb xb; /* running setup tty bits */ EXTERN struct tchars xtc; EXTERN struct ltchars xlc; EXTERN int xlb; EXTERN struct sgttyb testsgb; /* running setup tty bits */ EXTERN int testnlb; /* test local mode word */ EXTERN struct tchars testtc; EXTERN struct ltchars testlc; #ifdef TIOCGPAGE EXTERN struct ttypagestat npc; EXTERN struct ttypagestat xpc; EXTERN struct ttypagestat testpc; #endif /* TIOCGPAGE */ #endif /* TERMIO */ #else /* POSIX */ EXTERN struct termios nio; EXTERN struct termios xio; EXTERN struct termios testio; #if defined(hpux) EXTERN struct ltchars nlc; EXTERN struct ltchars xlc; EXTERN struct ltchars testlc; #endif /* hpux */ #endif /* POSIX */ /****************************/ /* Editor state and buffers */ /****************************/ EXTERN KEYCMD *Cur_KeyMap; /* current command key map */ EXTERN int replacemode; /* true if in overwrite mode */ EXTERN Char GettingInput; /* true if getting an input line (mostly) */ EXTERN Char NeedsRedraw; /* for editor and twenex error messages */ EXTERN Char InputBuf[INBUFSIZ]; /* the real input data */ EXTERN Char *LastChar, *Cursor; /* point to the next open space */ EXTERN Char *InputLim; /* limit of size of InputBuf */ EXTERN Char MetaNext; /* flags for ^V and ^[ functions */ EXTERN Char AltKeyMap; /* Using alternative command map (for vi mode) */ EXTERN Char VImode; /* true if running in vi mode (PWP 6-27-88) */ EXTERN Char *Mark; /* the emacs "mark" (dot is Cursor) */ EXTERN Char DoingArg; /* true if we have an argument */ EXTERN int Argument; /* "universal" argument value */ EXTERN KEYCMD LastCmd; /* previous command executed */ EXTERN Char KillBuf[INBUFSIZ]; /* kill buffer */ EXTERN Char *LastKill; /* points to end of kill buffer */ EXTERN Char HistBuf[INBUFSIZ]; /* history buffer */ EXTERN Char *LastHist; /* points to end of history buffer */ EXTERN int Hist_num; /* what point up the history we are at now. */ EXTERN Char WhichBuf[INBUFSIZ]; /* buffer for which command */ EXTERN Char *LastWhich; /* points to end of which buffer */ EXTERN Char *CursWhich; /* points to the cursor point in which buf */ EXTERN int HistWhich; /* Hist_num is saved in this */ EXTERN Char *SearchPrompt; /* points to string that holds search prompt */ EXTERN Char DoingSearch; /* true if we are doing a history search */ EXTERN char Expand; /* true if we are expanding a line */ EXTERN Char HistLit; /* true if history lines are shown literal */ EXTERN Char Cur_HistLit; /* Literal status of current show history line */ /* * These are truly extern */ extern Char PromptBuf[]; extern short SHIN, SHOUT; extern int MacroLvl; EXTERN Char *KeyMacro[MAXMACROLEVELS]; EXTERN Char **Display; /* display buffer seed vector */ EXTERN int CursorV, /* real cursor vertical (line) */ CursorH, /* real cursor horisontal (column) */ TermV, /* number of real screen lines * (sizeof(DisplayBuf) / width */ TermH; /* screen width */ EXTERN Char **Vdisplay; /* new buffer */ /* Variables that describe terminal ability */ EXTERN int T_Lines, T_Cols; /* Rows and Cols of the terminal */ EXTERN Char T_CanIns; /* true if I can insert characters */ EXTERN Char T_CanDel; /* dito for delete characters */ EXTERN Char T_Tabs; /* true if tty interface is passing tabs */ EXTERN speed_t T_Speed; /* Tty input Baud rate */ EXTERN Char T_CanCEOL; /* true if we can clear to end of line */ EXTERN Char T_CanUP; /* true if this term can do reverse linefeen */ EXTERN Char T_HasMeta; /* true if we have a meta key */ /* note the extra characters in the index() call in this macro */ #define isword(c) (Isalpha(c)||Isdigit(c)||Strchr(word_chars,c)) #define min(x,y) (((x)<(y))?(x):(y)) #define max(x,y) (((x)>(y))?(x):(y)) #include "ed.decls.h" #endif /* _h_ed */