/* * STEVIE - Simply Try this Editor for VI Enthusiasts * * Code Contributions By : Tim Thompson twitch!tjt * Tony Andrews onecom!wldrdg!tony * G. R. (Fred) Walter watmath!grwalter */ #include "env.h" #include #ifndef ATARI # ifndef UNIX # include # endif #endif #include #ifndef MWC # include #endif #include "ascii.h" #include "keymap.h" #include "param.h" #include "term.h" #include "macros.h" #ifdef AMIGA /* * This is used to disable break signal handling. */ #include #endif extern char *strchr(); #define NORMAL 0 #define CMDLINE 1 #define INSERT 2 #define REPLACE 3 #define APPEND 4 #define UNDO 5 #define REDO 6 #define PUT 7 #define FORWARD 8 #define BACKWARD 9 #define VALID 10 #define NOT_VALID 11 #define VALID_TO_CURSCHAR 12 #define UPDATE_CURSOR 13 #define UPDATE_ALL 14 /* * Boolean type definition and constants */ typedef int bool_t; #ifndef TRUE # define FALSE (0) # define TRUE (1) #endif #define SORTOF (2) #define YES TRUE #define NO FALSE #define MAYBE SORTOF /* * Maximum screen dimensions */ #define MAX_COLUMNS 140L /* * Buffer sizes */ #define CMDBUFFSIZE MAX_COLUMNS /* size of the command processing buffer */ #define LSIZE 512 /* max. size of a line in the tags file */ #define IOSIZE (1024+1) /* file i/o and sprintf buffer size */ #define YANKSIZE 5200 /* yank buffer size */ #define INSERT_SIZE 5300 /* insert, redo and undo buffer size must be * bigger than YANKSIZE */ #define REDO_UNDO_SIZE 5400 /* redo, undo and (undo an undo) buffer size * must be bigger than INSERT_SIZE */ #define READSIZE 5500 /* read buffer size must be bigger than * YANKSIZE and REDO_UNDO_SIZE */ /* * SLOP is the amount of extra space we get for text on a line during editing * operations that need more space. This keeps us from calling alloc every * time we get a character during insert mode. No extra space is allocated * when the file is initially read. */ #define SLOP 10 /* * LINEINC is the gap we leave between the artificial line numbers. This * helps to avoid renumbering all the lines every time a new line is * inserted. * * Since line numbers are stored in longs (32 bits), a LINEINC of 10000 * lets us have > 200,000 lines and we won't have to renumber very often. */ #define LINEINC 10000 #define CHANGED Changed = TRUE #define UNCHANGED Changed = FALSE #define S_NOT_VALID NumLineSizes = -1 #define S_LINE_NOT_VALID LineNotValid = TRUE #define S_CHECK_TOPCHAR_AND_BOTCHAR CheckTopcharAndBotchar = TRUE #define S_MUST_UPDATE_BOTCHAR MustUpdateBotchar = TRUE #define S_VALID_TO_CURSCHAR ValidToCurschar = TRUE struct line { struct line *next; /* next line */ struct line *prev; /* previous line */ char *s; /* text for this line */ int size; /* actual size of space at 's' */ unsigned long num; /* line "number" */ }; #define LINEOF(x) ((x)->linep->num) struct lptr { struct line *linep; /* line we're referencing */ int index; /* position within that line */ }; typedef struct line LINE; typedef struct lptr LPtr; struct charinfo { char ch_size; char *ch_str; }; extern struct charinfo chars[]; #ifdef AMIGA extern int Aux_Device; #endif extern int State; extern int Rows; extern int Columns; extern int CheckTopcharAndBotchar; extern int MustUpdateBotchar; extern int ValidToCurschar; extern int LineNotValid; extern int NumLineSizes; extern LINE **LinePointers; extern char *LineSizes; extern char *Filename; extern LPtr *Filemem; extern LPtr *Filetop; extern LPtr *Fileend; extern LPtr *Topchar; extern LPtr *Botchar; extern LPtr *Curschar; extern LPtr *Insstart; extern int Cursrow; extern int Curscol; extern int Cursvcol; extern int Curswant; extern bool_t set_want_col; extern int Prenum; extern bool_t Changed; extern bool_t RedrawingDisabled; extern bool_t UndoInProgress; extern char *IObuff; extern char *Insbuffptr; extern char *Insbuff; extern char *Readbuffptr; extern char *Readbuff; extern char *Redobuffptr; extern char *Redobuff; extern char *Undobuffptr; extern char *Undobuff; extern char *UndoUndobuffptr; extern char *UndoUndobuff; extern char *Yankbuffptr; extern char *Yankbuff; extern char last_command; extern char last_command_char; extern char *strcpy(); /* alloc.c */ char *alloc(); char *strsave(); void screenalloc(); void filealloc(); void freeall(); LINE *newline(); bool_t canincrease(); /* cmdline.c */ void readcmdline(); void dotag(); void msg(); void emsg(); void smsg(); void gotocmdline(); void wait_return(); /* dec.c */ int dec(); /* edit.c */ void edit(); void insertchar(); void getout(); void scrollup(); void scrolldown(); void beginline(); bool_t oneright(); bool_t oneleft(); bool_t oneup(); bool_t onedown(); /* fileio.c */ void filemess(); void renum(); bool_t readfile(); bool_t writeit(); /* s_io.c */ void s_cursor_off(); void s_cursor_on(); void s_clear(); void s_refresh(); void NotValidFromCurschar(); void Update_Botchar(); /* help.c */ bool_t help(); /* inc.c */ int inc(); /* linefunc.c */ LPtr *nextline(); LPtr *prevline(); void coladvance(); /* main.c */ void stuffReadbuff(); void stuffnumReadbuff(); char vgetc(); char vpeekc(); /* mark.c */ void setpcmark(); void clrall(); void clrmark(); bool_t setmark(); LPtr *getmark(); /* misccmds.c */ bool_t OpenForward(); bool_t OpenBackward(); void fileinfo(); void inschar(); void insstr(); void delline(); bool_t delchar(); int cntllines(); int plines(); LPtr *gotoline(); /* normal.c */ void normal(); void ResetBuffers(); void AppendToInsbuff(); void AppendToRedobuff(); void AppendNumberToRedobuff(); void AppendToUndobuff(); void AppendNumberToUndobuff(); void AppendPositionToUndobuff(); void AppendToUndoUndobuff(); void AppendNumberToUndoUndobuff(); void AppendPositionToUndoUndobuff(); bool_t linewhite(); /* mk.c */ char *mkstr(); char *mkline(); /* param.c */ void doset(); /* screen.c */ void cursupdate(); /* search.c */ void doglob(); void dosub(); void searchagain(); bool_t dosearch(); bool_t repsearch(); bool_t searchc(); bool_t crepsearch(); bool_t findfunc(); LPtr *showmatch(); LPtr *fwd_word(); LPtr *bck_word(); LPtr *end_word(); /* format_l.c */ char *format_line(); /* * Machine-dependent routines. */ #ifdef AMIGA # include "amiga.h" #endif #ifdef BSD # include "bsd.h" #endif #ifdef UNIX # include "unix.h" #endif #ifdef TOS # include "tos.h" #endif #ifdef OS2 # include "os2.h" #endif #ifdef DOS # include "dos.h" #endif