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Subject: v09i045: MicroEMACS, version 3.8b, Part13/14 Newsgroups: mod.sources Approved: rs@mirror.TMC.COM Submitted by: ihnp4!itivax!duncan!lawrence (Daniel Lawrence) Mod.sources: Volume 9, Issue 45 Archive-name: uemacs3.8b/Part13 #! /bin/sh # This is a shell archive. Remove anything before this line, # then unpack it by saving it in a file and typing "sh file". # If this archive is complete, you will see the message: # "End of archive 13 (of 14)." # Contents: main.c PATH=/bin:/usr/bin:/usr/ucb ; export PATH echo shar: Extracting \"main.c\" $41443 characters$ if test -f main.c ; then echo shar: Will not over-write existing file \"main.c\" else sed "s/^X//" >main.c <<'END_OF_main.c' X/* X * MicroEMACS 3.8 X * written by Dave G. Conroy. X * greatly modified by Daniel M. Lawrence X * X * (C)opyright 1987 by Daniel M. Lawrence X * MicroEMACS 3.8 can be copied and distributed freely for any X * non-commercial purposes. MicroEMACS 3.8 can only be incorporated X * into commercial software with the permission of the current author. X * X * This file contains the main driving routine, and some keyboard processing X * code, for the MicroEMACS screen editor. X * X * REVISION HISTORY: X * X * 1.0 Steve Wilhite, 30-Nov-85 X * - Removed the old LK201 and VT100 logic. Added code to support the X * DEC Rainbow keyboard (which is a LK201 layout) using the the Level X * 1 Console In ROM INT. See "rainbow.h" for the function key defs X * Steve Wilhite, 1-Dec-85 X * - massive cleanup on code in display.c and search.c X * X * 2.0 George Jones, 12-Dec-85 X * - Ported to Amiga. X * X * 3.0 Daniel Lawrence, 29-Dec-85 X * - rebound keys/added new fast buffered I/O for AMIGA X * - added META- repeat commands X * - added reposition default to center screen (yeah!) X * - changed exit with modified buffers message X * - made filesave tell us what it is doing X * - changed search string entry to terminate with <ESC> X * so we can use <NL> in search/replace strings X * - updated version number in mode line to 3.0 X * 12-Jan-86 X * - Added code to reconize the Search/replace functions X * - Added code to perform search/replace & query functions X * 14-Jan-86 X * - moved search logic to separate function in search.c X * - added replace and query replace functions X * - separated out control key expansions to be used by others in search.c X * 15-Jan-86 X * - changed "visiting" to finding X * - changed yes/no responces to not need return X * - cleaned up various messages X * 16-jan-86 X * - fixed spurious spawn message in MSDOS X * - added ^X-S synonime to save command X * - moved escape to shell to ^X-C X * 21-jan-86 X * - added code to suspend shell under BSD X * 22-jan-86 X * - added function key support (SPEC) under MSDOS X * - Abort now prints [Aborted] on message line X * 23-jan-86 X * - Added modes and commends to set/unset them X * 24-jan-86 X * - Added Goto Line command X * - added Rename Buffer command X * 28-jan-86 X * - added goto beginning and end of paragraph commands (META-P/META-N) X * - re-wrote kdelete to use realloc. gained MUCH speed here when X * doing large wipes both on UNIX and MSDOS. Changed kill buffer X * allocation block size from 256 bytes to 1 k X * 29-jan-86 X * - moved extern function declarations to efunc.h X * - made name[] name binding table X * 30-jan-86 X * - fixed Previous/Next paragraph command not to wrap around EOF X * - added Fill Paragraph command (META-Q) X * 4-feb-86 X * - added code to properly display long lines, scrolling them right X * to left X * 5-feb-85 X * - rewrote code to right/left scroll...much better X * - added shifted arror keys on IBMPC X * 6-feb-85 X * - add option to allow forword-word to jump to beginning of X * next word instead of end of current one. This is different from X * other emacs' but can be configured off in estruct.h X * - added VIEW mode to allow a buffer to be read only X * (-v switch on command line will activate this) X * - changed quick exit to write out ALL changed buffers!!! X * MAKE SURE YOU KNOW THIS WHEN META-Zing X * 10-feb-86 X * - added handling of lines longer than allowed on file read in X * (they wrap on additional lines) X * - made having space clear the message line and NOT insert itself X * a configuration option in ed.h X * 11-feb-86 X * - added Describe-command and Help commands. X * 13-feb-86 X * - added View file command (^X ^V) and finished HELP command X * 14-feb-86 X * - added option to let main loop skip update if type ahead commands X * are queued up X * 16-feb-86 X * - added Insert File command X * 17-feb-86 X * - added scroll next window up/down commands X * 18-feb-86 X * - added CMODE indentation X * - re-arranged header files to standerdize extern and global X * definitions X * - changed version number to 3.2 X * - added numeric arguments to search, reverse search and X * search and replace X * 24-feb-86 X * - added Bind To Key function (^C for now) to allow the user X * to change his command keys X * - added Unbind key function (M-^C for now) X * - added execute named command to execute unbound commands (M-X) X * - added describe bindings command (not bound) X * - changed version number to 3.3 X * 25-feb-86 X * - scrapped CERROR mode (too many compilers) X * - added EXACT mode for case sensitive searchers X * 26-feb-86 X * - added command completion on execute named command and X * all routined grabbing a command name X * - adding execute-command-line command and its support functions X * (in preporation for sourcing files) X * - added Execute Buffer command X * 27-feb-86 X * - added execute(source) file command and added code to automatically X * execute emacs.rc (or .emacsrc on UNIX) before initial read in X * - changed version number to 3.4 X * 4-mar-86 X * - changed word delete to be consistant with word move (it gets X * rid of the inter word space now) This is configurable with the X * NFWORD symbol in estruct.h X * - added B_ACTIVE entry to the buffer table. Let emacs read multiple X * file names from the command line and only read them in as needed X * 5-mar-85 X * - rewrote command line parser to get rid of my patchy code X * - changed version number to 3.5 X * 1-apr-86 X * - added support for Aztec C 3.20e under MSDOS X * - fixed bug in mlwrite on ADM3's and thier ilk under V7 X * - added insertion of pounds in column one under CMODE X * - changed version number to 3.6 X * 3-apr-86 X * - added next-buffer command (^X-X) X * 5-apr-86 X * - added kill paragraph command (M-^W) X * - changed fill-paragraph to leave 2 spaces after a period at the X * end of a word. X * - added OVERWRITE mode X * 7-apr-86 X * - fixed overwrite mode to handle tabs X * 8-apr-86 X * - added add/delete global mode (<ESC>M & <ESC> ^M) commands X * 9-apr-86 X * - added insert space command X * - moved bindings around ^C insert space X * M-K bind-to-key X * INSERT insert space X * DELETE forwdel X * - added hunt forward and hunt reverse commands X * 10-apr-86 X * - fixed bug in DOBUF with non-terminated command string X * 15-apr-86 X * - fixed tab expansion bug in DISPLAY which hung the AMIGA X * (send in by Dawn Banks) X * - fixed curcol problen if forwline/backline during keyboard X * macro execution (sent in by Ernst Christen) X * - added AMIGA function/cursor key support X * - fixed nonterminating <NL> replacement bug X * - fixed word wrapping problems X * 16-apr-86 X * - updated documentation and froze development for 3.6 net release X * 23-apr-86 version 3.6a X * - added forground and background colors. Setable with the X * add mode commands for the moment X * 24-apr-86 X * - added command to pipe CLI output to a buffer X * 25-apr-86 X * - added Dana Hoggat's code to replace lattice's sick system() X * function, now we no longer care what the switchar is. X * - cleaned up the positioning on several of the spawing commands X * 26-apr-86 X * - added a output flush in vttidy(). Unix really appreciates this. X * - added filter-buffer (^X#) command to send a buffer through X * a dos filter X * - made automatic CMODE on .c and .h file compilation dependant X * in estruct.h X * 1-may-86 X * - optimized some code in update(). It certainly need a lot more. X * - added AZTEC profiling capabilities. These are conditional on X * the APROF symbol in estruct.h X * 2-may-86 X * - added (u)ndo command in query-replace. undoes last repalce. X * 6-may-86 X * - re-orginized and wrote the update() function in display.c X * now my color hacks are in the right places and the code can be X * understood. X * [Released version 3.6f for BETA test sites] X * 8-may-86 X * - fixed bug in new display routine to wrap cursor on extended X * lines at the right time X * - modified the buffer-position command to give reasonable info X * 9-may-86 X * - improved the word wrap algorithm as not to discard non-space X * delimiters. The backscan now looks for white space rather than X * !inword(). X * [Released version 3.6g to Krannert] X * 10-may-86 X * - Added IBMPC.C an IBM-PC specific display driver. This makes paging X * 4-6 times faster. Also made some conditional changes to DISPLAY.C X * to eliminate the pscreen[] if using the PC driver. X * [changed version number to 3.6i] X * 12-may-86 X * - added delete-window (^X 0) command to dispose of a single window X * - fixed problem with multiple prefixes from a command line which X * was reported by John Gamble X * 14-may-86 X * - Added AZTEC support for the IBMPC display driver. Had to X * readjust some includes and defines for this. X * - fixed bug in delete-window. X * - fixed some bizarre behavior with the cursor after coming back X * from spawn calls. X * [changed version number to 3.7 Freezing development for net release] X * 15-may-86 X * - (that didn't last long...) Added execute-macro-(1 thru 20) commands X * to execute macro buffers (named "[Macro nn]") X * - changed BFTEMP to BFINVS and cleaned up treatment of invisable X * buffers. X * 16-may-86 X * - added store-macro (unbound) to store any executed command lines to X * macro buffer. X * - added clear-message-line (unbound) command to do just that X * - added resize-window command to change a window's size to the X * specified argument X * - improved help's logic not to re-read the file if it was already X * in a buffer X * - added MAGIC mode to all structures and command tables, but the X * regular expression code that John Gamble is writting is not ready. X * 18-may-86 X * - added interactive prompt requests in command line execution. IE X * while executing a macro, a parameter starting with an at sign (@) X * causes emacs to prompt with the rest of the parameter and return X * the resulting input as the value of the parameter. X * - added arguments to split-current-window to force the cursor into X * the upper or lower window. X * 20-may-86 X * - added support for the Microsoft C compiler as per the changes X * send in by Oliver Sharp X * - made some upgrades and fixes for VMS sent in by Guy Streeter X * 21-may-86 X * - fixed an AZTEC bug in ttgetc by clearing the upper byte X * - fixed buf in CMODE with #preprocesser input (bug fix submitted by X * Willis of unknown path) X * - added support of alternative startup file ( @<filename> ) in X * the command line X * - added ^Q quoting in interactive input (mlreplyt()). X * - added re-binding of meta-prefix and ctlx-prefix X * 22-may-86 X * - reorginize getkey routines to make more sense and let prefix X * binding work properly. X * 23-may-86 X * - checked new code on BSD4.2 made a few fixes X * - added optional fence matching while in CMODE X * - added goto and search command line arguments by Mike Spitzer X * 26-may-86 X * - added parameter fetching from buffers X * 27-may-86 X * - fixed some HP150 bugs...... X * 31-may-86 X * - Added Wang PC keyboard support from modifications by X * Sid Shapiro @ Wang Institute X * - Fixed some reverse video bugs with code submitted by Peter Chubb X * - Fixed bug in nextbuffer reported by Dave Forslund X * - added system V support (USG) from Linwood Varney X * 2-jun-86 X * - changed defines to just define one unix define (for example, X * just define BSD for Unix BSD 4.2) X * - Added Incremental search functions written by D. R. Banks X * in file ISEARCH.C X * - added insert-string (unbound) command to help the macro X * language out. X * - added unmark-buffer (M-~) command to turn off the current buffers X * change flag X * - fixed nxtarg to truncate strings longer than asked for max length X * 4-jun-86 X * - added special characters in command line tokens. Tidle (~) is X * the special leadin character for "nrtb". X * - Fixed bad ifdef in aztec code so it could look at HOME dir X * for startup, help, and emacs.rc files X * 6-jun-86 X * - make delete word commands clear the kill buffer if not after another X * kill command X * 11-jun-86 X * - made ~@ in string arguments pass as char(192) to nxtarg() so one can X * quote @ at the beginning of string arguments X * - changed buffer size vars in listbuffers() to long (for big files) X * - re-wrote buffer-position command to be much faster X * 12-jun-86 X * - added count-words (M-^C) command to count the words/chars and X * lines in a region X * - changed regions so they could be larger than 65535 (short -> X * long in the REGION structure) X * - changed ldelete() and all callers to use a long size. The kill X * buffer will still have a problem >65535 that can not be solved X * until I restructure it. X * - grouped paragraph commands and word count together under symbol X * WORDPRO to allow them to be conditionally made (or not) X * 13-jun-86 X * - re-wrote kill buffer routines again. Now they support an unlimited X * size kill buffer, and are (in theory) faster. X * - changed delete-next-word (M-D) to not eat the newline after a word, X * instead it checks and eats a newline at the cursor. X * 17-jun-85 X * - added numeric argument to next/previous-window to access the nth X * window from the top/bottom X * - added support for the data General 10 MSDOS machine X * - added save-window (unbound) and restore-window (unbound) commands X * for the use of the menu script. Save-window remembers which window X * is current, and restore-window returns the cursor to that window. X * 20-jun-86 X * - fixed a bug with the fence matching locking up near the beginning X * of a buffer X * - added argument to update to selectivaly force a complete update X * - added update-screen (unbound) command so macros can force a X * screen update X * 21-jun-86 X * - rearranged token() and nxtarg() calls so that command names and X * repeat counts could also be prompted and fetched from buffers X * [this broke later with the exec re-write....] X * - added write-message (unbound) command to write out a message X * on the message line (for macros) X * - changed ifdef's so that color modes are reconized as legal in X * b/w version, and simply do nothing (allowing us to use the same X * script files) X * [Released version 3.7 on July 1 to the net and elswhere] X * 2-jul-86 X * - Changed search string terminator to always be the meta character X * even if it is rebound. X * 3-jul-86 X * - removed extra calls to set color in startup code. This caused the X * original current window always to be the global colors. X * 7-jul-86 X * - Fixed bugs in mlreplyt() so to work properly with all terminators X * including control and spec characters X * 22-jul-86 X * - fixed replaces() so that it will return FALSE properly on the X * input of the replacement string. X * - added a definition for FAILED as a return type..... X * - changed version number to 3.7b X * 23-jul-86 X * - fixed o -> 0 problem in termio.c X * - made ^U universal-argument re-bindable X * - wrote atoi() for systems (like aztec) where it acts screwy X * - changed version number to 3.7c X * 25-jul-86 X * - make ^G abort-command rebindable X * 29-jul-86 X * - added HP110 Portable Computer support X * - changed version number to 3.7d X * 30-jul-86 X * - Fixed a couple of errors in the new VMS code as pointer X * out by Ken Shacklford X * - split terminal open/close routines into screen and keyboard X * open/close routines X * - closed the keyboard during all disk I/O so that OS errors X * can be respoded to correctly (especially on the HP150) X * - changed version number to 3.7e X * 31-jul-86 X * - added label-function-key (unbound) command under symbol FLABEL X * (primarily for the HP150) X * 4-aug-86 X * - added fixes for MicroSoft C as suggested by ihnp4!ihuxm!gmd1 X * <<remember to fix [list] deletion bug as reported X * by craig@hp-pcd>> X * 8-aug-86 X * - fixed beginning misspelling error everywhere X * - fixed some more MSC errors X * - changed version number to 3.7g X * 20-aug-86 X * - fixed CMODE .h scanning bug X * - changed version number to 3.7h X * 30-aug-86 X * - fixed killing renamed [list] buffer (it can't) as submited X * by James Aldridge X * - Added code to allow multiple lines to display during X * vertical retrace X * [total disaster....yanked it back out] X * 9-sep-86 X * - added M-A (apropos) command to list commands containing a substring. X * - fixed an inefficiency in the display update code submited X * by William W. Carlson (wwc@pur-ee) X * 10-sep-86 X * - added Dana Hoggatt's code for encryption and spliced it into the X * proper commands. CRYPT mode now triggers encryption. X * - added -k flag to allow encryption key (no spaces) in command line X * 14-sep-86 X * - added missing lastflag/thisflag processing to docmd() X * - changed version to 3.7i and froze for partial release via mail X * and BBS X * 05-oct-86 X * - changed some strcpys in main.c to strncpys as suggested by john X * gamble X * - replaces search.c and isearch.c with versions modified by X * john gamble X * 10-oct-86 X * - removed references to lflick....it just won't work that way. X * - removed defines LAT2 and LAT3...the code no longer is lattice X * version dependant. X * 14-oct-86 X * - changed spawn so that it will not not pause if executed from X * a command line X * 15-oct-86 X * - added argument concatination (+) to the macro parsing X * - added [] as fence pairs X * 16-oct-86 X * - rewrote all macro line parsing routines and rearranged the X * mlreply code. saved .6K!!! and have blazed the path for expanding X * the command language. X * 17-oct-86 X * - added new keyboard macro routines (plus a new level to the X * input character function) X * 22-oct-86 X * - improved EGA cursor problems X * - added -r (restricted) switch to command line for BBS use X * 06-nov-86 X * - fixed terminator declarations from char to int in getarg() and X * nxtarg() in exec.c as pointed out by john gamble X * 07-nov-86 X * - made wordrap() user callable as wrap-word (M-FNW) and changed X * the getckey() routine so that illegal keystrokes (too many X * prefixes set) could be used for internal bindings. When word X * wrap conditions are met, the keystroke M-FNW is executed. Added X * word wrap check/call to newline(). X * 11-nov-86 X * - added and checked support for Mark Williams C 86 X * 12-nov-86 X * - added goto-matching-fence (M-^F) command to jump to a matching X * fence "({[]})" or beep if there is none. This can reframe the X * screen. X * - added code and structure elements to support change-screen-size X * command (M-^S) to change the number of lines being used by X * MicroEMACS. X * 15-nov-86 X * - finished debuging change-screen-size X * 17-nov-86 X * - Encorporated in James Turner's modifications for the Atari ST X * 23-sep-86 X * - added support for the Atari ST line of computers (jmt) X * --added a '\r' to the end of each line on output and strip X * it on input for the SHOW function from the desktop X * --added 3 new mode functions (HIREZ, MEDREZ, and LOREZ); chgrez X * routine in TERM structure; and MULTREZ define in estructs.h X * to handle multiple screen resolutions X * [note....ST still not running under lattice yet...] X * 25-nov-86 X * - Made the filter-buffer (^X-#) command not work on VIEW mode X * buffers X * - Made the quick-exit (M-Z) command throw out a newline after X * each message so they could be seen. X * 26-nov-86 X * - fixed a couple of bugs in change-screen-size (M-^S) command X * - changed file read behavior on long lines and last lines X * with no newline (it no longer throws the partial line out) X * - [as suggested by Dave Tweten] Made adding a ^Z to the end X * of an output file under MSDOS configurable under the X * CTRLZ symbol in estruct.h X * - [Dave Tweten] Spawn will look up the "TMP" environment variable X * for use during various pipeing commands. X * - [Dave Tweten] changed pipe command under MSDOS to use '>>' X * instead of '>' X * 04-dec-86 X * - moved processing of '@' and '#' so that they can be outside X * the quotes in an argument, and added hooks to process '%' for X * environment and user variables. X * - modified ibmpc.c to sence the graphics adapter (CGA and MONO) X * at runtime to cut down on the number of versions. X * 05-dec-86 X * - changed macro directive character to "!" instead of "$" (see X * below) and fixed the standard .rc file to comply. X * - added code to interpret environment variables ($vars). Added X * hooks for built in functions (&func). So, to recap: X * X * @<string> prompt and return a string from the user X * #<buffer name> get the next line from a buffer and advance X * %<var> get user variable <var> X * $<evar> get environment variable <evar> X * &<func> evaluate function <func> X * X * - allowed repeat counts to be any of the above X * - added code to allow insert-string (unbound) to use its X * repeat count properly X * - added set (^X-A) command to set variables. Only works on X * environmental vars yet. X * 9-dec-86 X * - added some code for user defined variables...more to come X * - added options for malloc() memory pool tracking X * - preliminary user variables (%) working X * - changed terminal calls to macro's (to prepare for the new X * terminal drivers) X * 15-dec-86 X * - changed previous-line (^P) and next-line (^N) to return a X * FALSE at the end or beginning of the file so repeated X * macros involving them terminate properly! X * - added code for $CURCOL and $CURLINE X * 20-dec-86 X * - set (^X-A) now works with all vars X * - added some new functions X * &ADD &SUB &TIMES &DIV &MOD &NEG &CAT X * - yet again rearranged functions to control macro execution. Did X * away with getarg() X * 23-dec-86 X * - added string functions X * &LEFt &RIGht &MID X * 31-dec-86 X * - added many logical functions X * &NOT &EQUal &LESs &GREater X * - added string functions X * &SEQual &SLEss &SGReater X * - added variable indirection with &INDirect X * - made fixes to allow recursive macro executions X * (improved speed during macro execution as well) X * 3-jan-87 X * - added $FLICKER to control flicker supression X * - made spawn commands restricted X * - cleaned up lots of unintentional int<->char problems X * 4-jan-87 X * - Fixed broken pipe-command (^X-@) command under MSDOS X * - added !IF !ELSE !ENDIF directives and changed the X * name of !END to !ENDM....real slick stuff X * 5-jan-87 X * - quick-exit (M-Z) aborts on any filewrite errors X * 8-jan-87 X * - debugged a lot of the new directive and evaluation code. X * BEWARE of stack space overflows! (increasing stack to X * 16K under MSDOS) X * - removed non-standard DEC Rainbow keyboard support...let someone X * PLEASE impliment this in the standard manner using key bindings X * and send the results to me. X * - added change-screen-width () command and $CURWIDTH variable X * 11-jan-87 X * - fixed an increadably deeply buried bug in vtputc and combined X * it with vtpute (saving about 200 bytes!) X * 16-jan-87 X * - added code to handle controling multiple screen resolutions... X * allowed the IBM-PC driver to force mono or cga modes. X * - added current buffer name and filename variables X * $cbufname and $cfname X * 18-jan-87 X * - added $sres variable to control screen resolution X * - added $debug variable to control macro debugging code (no longer X * is this activated by GLOBAL spell mode) X * - fixed bug in -g command line option X * - Released Version 3.8 to BBSNET X * 21-jan-87 X * - added $status variable to record return status of last command X */ X X#include <stdio.h> X X/* for MSDOS, increase the default stack space */ X X#if MSDOS & LATTICE Xunsigned _stack = 16536; X#endif X X#if MSDOS & AZTEC Xint _STKSIZ = 16536/16; /* stack size in paragraphs */ Xint _STKRED = 1024; /* stack checking limit */ Xint _HEAPSIZ = 4096/16; /* (in paragraphs) */ Xint _STKLOW = 0; /* default is stack above heap (small only) */ X#endif X X/* make global definitions not external */ X#define maindef X X#include "estruct.h" /* global structures and defines */ X#include "efunc.h" /* function declarations and name table */ X#include "edef.h" /* global definitions */ X#include "ebind.h" /* default key bindings */ X X#if MEGAMAX Xoverlay "main" X#endif X X#if VMS X#include <ssdef.h> X#define GOOD (SS$_NORMAL) X#endif X X#ifndef GOOD X#define GOOD 0 X#endif X X#if APROF /* Declarations needed for AZTEC C profiling */ Xint _Corg(); /* first address of program */ Xint _Cend(); /* last address of program */ X Xshort monbuf[NBUCK]; /* buffer for gather info */ X#endif X Xmain(argc, argv) Xchar *argv[]; X{ X register int c; X register int f; X register int n; X register int mflag; X register BUFFER *bp; X register int ffile; /* first file flag */ X register int carg; /* current arg to scan */ X register int startf; /* startup executed flag */ X int basec; /* c stripped of meta character */ X int viewflag; /* are we starting in view mode? */ X int gotoflag; /* do we need to goto a line at start? */ X int gline; /* if so, what line? */ X int searchflag; /* Do we need to search at start? */ X char bname[NBUFN]; /* buffer name of file to read */ X#if CRYPT X int eflag; /* encrypting on the way in? */ X char ekey[NPAT]; /* startup encryption key */ X#endif X X#if APROF X /* if we are doing AZTEC C profiling, start it up */ X /*_intr_sp(18); set clock interupt for 60/second */ X monitor(_Corg, _Cend, monbuf, NBUCK, 0); X#endif X X /* initialize the editor and process the command line arguments */ X strcpy(bname, "main"); /* default buffer name */ X vtinit(); /* Displays. */ X edinit(bname); /* Buffers, windows. */ X varinit(); /* user variables */ X viewflag = FALSE; /* view mode defaults off in command line */ X gotoflag = FALSE; /* set to off to begin with */ X searchflag = FALSE; /* set to off to begin with */ X ffile = TRUE; /* no file to edit yet */ X startf = FALSE; /* startup file not executed yet */ X#if CRYPT X eflag = FALSE; /* no encryption by default */ X#endif X#if COLOR X curwp->w_fcolor = gfcolor; /* and set colors */ X curwp->w_bcolor = gbcolor; X#endif X X /* scan through the command line and get the files to edit */ X for (carg = 1; carg < argc; ++carg) { X /* if its a switch, process it */ X if (argv[carg][0] == '-') { X switch (argv[carg][1]) { X case 'v': /* -v for View File */ X case 'V': X viewflag = TRUE; X break; X case 'e': /* -e for Edit file */ X case 'E': X viewflag = FALSE; X break; X case 's': /* -s for initial search string */ X case 'S': X searchflag = TRUE; X strncpy(pat,&argv[carg][2],NPAT); X break; X case 'g': /* -g for initial goto */ X case 'G': X gotoflag = TRUE; X gline = atoi(&argv[carg][2]); X break; X case 'r': /* -r restrictive use */ X case 'R': X restflag = TRUE; X break; X#if CRYPT X case 'k': /* -k<key> for code key */ X case 'K': X if (argv[carg][2] == 0) X eflag = FALSE; X else { X eflag = TRUE; X strcpy(ekey, &argv[carg][2]); X } X break; X#endif X default: /* unknown switch */ X /* ignore this for now */ X break; X } X } else /* check for a macro file */ X if (argv[carg][0]== '@') { X X if (startup(&argv[carg][1]) == TRUE) X startf = TRUE; /* don't execute emacs.rc */ X X } else { /* process a file name */ X /* if we haven't run emacs.rc, do it now */ X if (startf == FALSE) { X startup(""); X startf = TRUE; X#if COLOR X curwp->w_fcolor = gfcolor; X curwp->w_bcolor = gbcolor; X#endif X } X X /* set up a buffer for this file */ X makename(bname, argv[carg]); X X#if CRYPT X /* set up for de-cryption if needed */ X if (eflag) { X curbp->b_mode |= MDCRYPT; X strncpy(curbp->b_key, ekey, NPAT); X crypt((char *)NULL, 0); X crypt(curbp->b_key, strlen(curbp->b_key)); X } X#endif X X /* if this is the first file, read it in */ X if (ffile) { X bp = curbp; X makename(bname, argv[carg]); X strcpy(bp->b_bname, bname); X strcpy(bp->b_fname, argv[carg]); X if (readin(argv[carg], (viewflag==FALSE)) X == ABORT) { X strcpy(bp->b_bname, "main"); X strcpy(bp->b_fname, ""); X } X bp->b_dotp = bp->b_linep; X bp->b_doto = 0; X ffile = FALSE; X } else { X /* set this to inactive */ X bp = bfind(bname, TRUE, 0); X strcpy(bp->b_fname, argv[carg]); X bp->b_active = FALSE; X } X X /* set the view mode appropriatly */ X if (viewflag) X bp->b_mode |= MDVIEW; X } X } X X /* if invoked with nothing, run the startup file here */ X if (startf == FALSE) { X startup(""); X startf = TRUE; X#if COLOR X curwp->w_fcolor = gfcolor; X curwp->w_bcolor = gbcolor; X#endif X } X X /* Deal with startup gotos and searches */ X X if (gotoflag && searchflag) { X update(FALSE); X mlwrite("[Can not search and goto at the same time!]"); X } X else if (gotoflag) { X if (gotoline(TRUE,gline) == FALSE) { X update(FALSE); X mlwrite("[Bogus goto argument]"); X } X } else if (searchflag) { X if (forwhunt(FALSE, 0) == FALSE) X update(FALSE); X } X X /* setup to process commands */ X lastflag = 0; /* Fake last flags. */ X curbp->b_mode |= gmode; /* and set default modes*/ X curwp->w_flag |= WFMODE; /* and force an update */ X Xloop: X update(FALSE); /* Fix up the screen */ X c = getcmd(); X if (mpresf != FALSE) { X mlerase(); X update(FALSE); X#if CLRMSG X if (c == ' ') /* ITS EMACS does this */ X goto loop; X#endif X } X f = FALSE; X n = 1; X X /* do META-# processing if needed */ X X basec = c & ~META; /* strip meta char off if there */ X if ((c & META) && ((basec >= '0' && basec <= '9') || basec == '-')) { X f = TRUE; /* there is a # arg */ X n = 0; /* start with a zero default */ X mflag = 1; /* current minus flag */ X c = basec; /* strip the META */ X while ((c >= '0' && c <= '9') || (c == '-')) { X if (c == '-') { X /* already hit a minus or digit? */ X if ((mflag == -1) || (n != 0)) X break; X mflag = -1; X } else { X n = n * 10 + (c - '0'); X } X if ((n == 0) && (mflag == -1)) /* lonely - */ X mlwrite("Arg:"); X else X mlwrite("Arg: %d",n * mflag); X X c = getcmd(); /* get the next key */ X } X n = n * mflag; /* figure in the sign */ X } X X /* do ^U repeat argument processing */ X X if (c == reptc) { /* ^U, start argument */ X f = TRUE; X n = 4; /* with argument of 4 */ X mflag = 0; /* that can be discarded. */ X mlwrite("Arg: 4"); X while ((c=getcmd()) >='0' && c<='9' || c==reptc || c=='-'){ X if (c == reptc) X if ((n > 0) == ((n*4) > 0)) X n = n*4; X else X n = 1; X /* X * If dash, and start of argument string, set arg. X * to -1. Otherwise, insert it. X */ X else if (c == '-') { X if (mflag) X break; X n = 0; X mflag = -1; X } X /* X * If first digit entered, replace previous argument X * with digit and set sign. Otherwise, append to arg. X */ X else { X if (!mflag) { X n = 0; X mflag = 1; X } X n = 10*n + c - '0'; X } X mlwrite("Arg: %d", (mflag >=0) ? n : (n ? -n : -1)); X } X /* X * Make arguments preceded by a minus sign negative and change X * the special argument "^U -" to an effective "^U -1". X */ X if (mflag == -1) { X if (n == 0) X n++; X n = -n; X } X } X X /* and execute the command */ X execute(c, f, n); X goto loop; X} X X/* X * Initialize all of the buffers and windows. The buffer name is passed down X * as an argument, because the main routine may have been told to read in a X * file by default, and we want the buffer name to be right. X */ Xedinit(bname) Xchar bname[]; X{ X register BUFFER *bp; X register WINDOW *wp; X char *malloc(); X X bp = bfind(bname, TRUE, 0); /* First buffer */ X blistp = bfind("[List]", TRUE, BFINVS); /* Buffer list buffer */ X wp = (WINDOW *) malloc(sizeof(WINDOW)); /* First window */ X if (bp==NULL || wp==NULL || blistp==NULL) X exit(1); X curbp = bp; /* Make this current */ X wheadp = wp; X curwp = wp; X wp->w_wndp = NULL; /* Initialize window */ X wp->w_bufp = bp; X bp->b_nwnd = 1; /* Displayed. */ X wp->w_linep = bp->b_linep; X wp->w_dotp = bp->b_linep; X wp->w_doto = 0; X wp->w_markp = NULL; X wp->w_marko = 0; X wp->w_toprow = 0; X#if COLOR X /* initalize colors to global defaults */ X wp->w_fcolor = gfcolor; X wp->w_bcolor = gbcolor; X#endif X wp->w_ntrows = term.t_nrow-1; /* "-1" for mode line. */ X wp->w_force = 0; X wp->w_flag = WFMODE|WFHARD; /* Full. */ X} X X/* X * This is the general command execution routine. It handles the fake binding X * of all the keys to "self-insert". It also clears out the "thisflag" word, X * and arranges to move it to the "lastflag", so that the next command can X * look at it. Return the status of command. X */ Xexecute(c, f, n) X{ X register KEYTAB *ktp; X register int status; X X ktp = &keytab[0]; /* Look in key table. */ X while (ktp->k_fp != NULL) { X if (ktp->k_code == c) { X thisflag = 0; X status = (*ktp->k_fp)(f, n); X lastflag = thisflag; X return (status); X } X ++ktp; X } X X /* X * If a space was typed, fill column is defined, the argument is non- X * negative, wrap mode is enabled, and we are now past fill column, X * and we are not read-only, perform word wrap. X */ X if (c == ' ' && (curwp->w_bufp->b_mode & MDWRAP) && fillcol > 0 && X n >= 0 && getccol(FALSE) > fillcol && X (curwp->w_bufp->b_mode & MDVIEW) == FALSE) X execute(META|SPEC|'W', FALSE, 1); X X if ((c>=0x20 && c<=0x7E) /* Self inserting. */ X || (c>=0xA0 && c<=0xFE)) { X if (n <= 0) { /* Fenceposts. */ X lastflag = 0; X return (n<0 ? FALSE : TRUE); X } X thisflag = 0; /* For the future. */ X X /* if we are in overwrite mode, not at eol, X and next char is not a tab or we are at a tab stop, X delete a char forword */ X if (curwp->w_bufp->b_mode & MDOVER && X curwp->w_doto < curwp->w_dotp->l_used && X (lgetc(curwp->w_dotp, curwp->w_doto) != '\t' || X (curwp->w_doto) % 8 == 7)) X ldelete(1L, FALSE); X X /* do the appropriate insertion */ X if (c == '}' && (curbp->b_mode & MDCMOD) != 0) X status = insbrace(n, c); X else if (c == '#' && (curbp->b_mode & MDCMOD) != 0) X status = inspound(); X else X status = linsert(n, c); X X#if CFENCE X /* check for CMODE fence matching */ X if ((c == '}' || c == ')' || c == ']') && X (curbp->b_mode & MDCMOD) != 0) X fmatch(c); X#endif X X lastflag = thisflag; X return (status); X } X TTbeep(); X mlwrite("[Key not bound]"); /* complain */ X lastflag = 0; /* Fake last flags. */ X return (FALSE); X} X X/* X * Fancy quit command, as implemented by Norm. If the any buffer has X * changed do a write on that buffer and exit emacs, otherwise simply exit. X */ Xquickexit(f, n) X{ X register BUFFER *bp; /* scanning pointer to buffers */ X register int status; X X bp = bheadp; X while (bp != NULL) { X if ((bp->b_flag&BFCHG) != 0 /* Changed. */ X && (bp->b_flag&BFINVS) == 0) { /* Real. */ X curbp = bp; /* make that buffer cur */ X mlwrite("[Saving %s]\n",bp->b_fname); X if ((status = filesave(f, n)) != TRUE) X return(status); X } X bp = bp->b_bufp; /* on to the next buffer */ X } X quit(f, n); /* conditionally quit */ X} X X/* X * Quit command. If an argument, always quit. Otherwise confirm if a buffer X * has been changed and not written out. Normally bound to "C-X C-C". X */ Xquit(f, n) X{ X register int s; X X if (f != FALSE /* Argument forces it. */ X || anycb() == FALSE /* All buffers clean. */ X /* User says it's OK. */ X || (s=mlyesno("Modified buffers exist. Leave anyway")) == TRUE) { X#if FILOCK X if (lockrel() != TRUE) { X TTputc('\n'); X TTputc('\r'); X TTclose(); X TTkclose(); X exit(1); X } X#endif X vttidy(); X#if APROF X /* if doing AZTEC C profiling, close up and write it out */ X monitor(0,0,0,0,0); X#endif X exit(GOOD); X } X mlwrite(""); X return (s); X} X X/* X * Begin a keyboard macro. X * Error if not at the top level in keyboard processing. Set up variables and X * return. X */ Xctlxlp(f, n) X{ X if (kbdmode != STOP) { X mlwrite("%%Macro already active"); X return(FALSE); X } X mlwrite("[Start macro]"); X kbdptr = &kbdm[0]; X kbdend = kbdptr; X kbdmode = RECORD; X return (TRUE); X} X X/* X * End keyboard macro. Check for the same limit conditions as the above X * routine. Set up the variables and return to the caller. X */ Xctlxrp(f, n) X{ X if (kbdmode == STOP) { X mlwrite("%%Macro not active"); X return(FALSE); X } X if (kbdmode == RECORD) { X mlwrite("[End macro]"); X kbdmode = STOP; X } X return(TRUE); X} X X/* X * Execute a macro. X * The command argument is the number of times to loop. Quit as soon as a X * command gets an error. Return TRUE if all ok, else FALSE. X */ Xctlxe(f, n) X{ X if (kbdmode != STOP) { X mlwrite("%%Macro already active"); X return(FALSE); X } X if (n <= 0) X return (TRUE); X kbdrep = n; /* remember how many times to execute */ X kbdmode = PLAY; /* start us in play mode */ X kbdptr = &kbdm[0]; /* at the beginning */ X return(TRUE); X} X X/* X * Abort. X * Beep the beeper. Kill off any keyboard macro, etc., that is in progress. X * Sometimes called as a routine, to do general aborting of stuff. X */ Xctrlg(f, n) X{ X TTbeep(); X kbdmode = STOP; X mlwrite("[Aborted]"); X return(ABORT); X} X X/* tell the user that this command is illegal while we are in X VIEW (read-only) mode */ X Xrdonly() X X{ X TTbeep(); X mlwrite("[Key illegal in VIEW mode]"); X return(FALSE); X} X Xresterr() X X{ X TTbeep(); X mlwrite("[That command is RESTRICTED]"); X return(FALSE); X} X Xmeta() /* dummy function for binding to meta prefix */ X{ X} X Xcex() /* dummy function for binding to control-x prefix */ X{ X} X Xunarg() /* dummy function for binding to universal-argument */ X{ X} X X/***** Compiler specific Library functions ****/ X X#if MWC86 & MSDOS Xmovmem(source, dest, size) X Xchar *source; /* mem location to move memory from */ Xchar *dest; /* memory location to move text to */ Xint size; /* number of bytes to move */ X X{ X register int i; X X for (i=0; i < size; i++) X *dest++ = *source++; X} X#endif X X#if RAMSIZE & LATTICE & MSDOS X/* These routines will allow me to track memory usage by placing X a layer on top of the standard system malloc() and free() calls. X with this code defined, the environment variable, $RAM, will X report on the number of bytes allocated via malloc. X X with SHOWRAM defined, the number is also posted on the X end of the bottom mode line and is updated whenever it is changed. X*/ X X#undef malloc X#undef free X Xchar *allocate(nbytes) /* allocate nbytes and track */ X Xunsigned nbytes; /* # of bytes to allocate */ X X{ X char *mp; /* ptr returned from malloc */ X char *malloc(); X X mp = malloc(nbytes); X if (mp) { X envram += nbytes; X#if RAMSHOW X dspram(); X#endif X } X X return(mp); X} X Xrelease(mp) /* release malloced memory and track */ X Xchar *mp; /* chunk of RAM to release */ X X{ X unsigned *lp; /* ptr to the long containing the block size */ X X if (mp) { X lp = ((unsigned *)mp) - 1; X X /* update amount of ram currently malloced */ X envram -= (long)*lp - 2; X free(mp); X#if RAMSHOW X dspram(); X#endif X } X} X X#if RAMSHOW Xdspram() /* display the amount of RAM currently malloced */ X X{ X char mbuf[20]; X char *sp; X X TTmove(term.t_nrow - 1, 70); X#if COLOR X TTforg(7); X TTbacg(0); X#endif X sprintf(mbuf, "[%lu]", envram); X sp = &mbuf[0]; X while (*sp) X TTputc(*sp++); X TTmove(term.t_nrow, 0); X movecursor(term.t_nrow, 0); X} X#endif X#endif X END_OF_main.c if test 41443 -ne `wc -c <main.c`; then echo shar: \"main.c\" unpacked with wrong size! fi # end of overwriting check fi echo shar: End of archive 13 $of 14$. cp /dev/null ark13isdone MISSING="" for I in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ; do if test ! -f ark${I}isdone ; then MISSING="${MISSING} ${I}" fi done if test "${MISSING}" = "" ; then echo You have unpacked all 14 archives. echo "See the readme file" rm -f ark[1-9]isdone ark[1-9][0-9]isdone else echo You still need to unpack the following archives: echo " " ${MISSING} fi ## End of shell archive. exit 0