mirror of
https://github.com/rfivet/uemacs.git
synced 2024-12-23 09:36:31 -05:00
refactor epath into eval.
This commit is contained in:
parent
e86bdad4fc
commit
d9bb0ea262
4
Makefile
4
Makefile
@ -28,7 +28,7 @@ OBJ=basic.o bind.o buffer.o crypt.o display.o eval.o exec.o \
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termio.o window.o word.o names.o globals.o \
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wrapper.o utf8.o
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HDR=ebind.h edef.h efunc.h estruct.h evar.h version.h
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HDR=ebind.h edef.h efunc.h estruct.h version.h
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# DO NOT ADD OR MODIFY ANY LINES ABOVE THIS -- make source creates them
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@ -136,7 +136,7 @@ bind.o: bind.c estruct.h edef.h
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buffer.o: buffer.c estruct.h edef.h
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crypt.o: crypt.c estruct.h edef.h
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display.o: display.c estruct.h edef.h utf8.h version.h
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eval.o: eval.c estruct.h edef.h evar.h version.h
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eval.o: eval.c estruct.h edef.h version.h
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exec.o: exec.c estruct.h edef.h
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file.o: file.c estruct.h edef.h
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fileio.o: fileio.c estruct.h edef.h
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197
eval.c
197
eval.c
@ -11,7 +11,6 @@
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#include "estruct.h"
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#include "edef.h"
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#include "efunc.h"
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#include "evar.h"
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#include "line.h"
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#include "version.h"
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@ -19,6 +18,202 @@
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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/* Max #chars in a var name. */
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#define NVSIZE 10
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/* Structure to hold user variables and their definitions. */
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struct user_variable {
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char u_name[NVSIZE + 1]; /* name of user variable */
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char *u_value; /* value (string) */
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};
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/* List of recognized environment variables. */
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static const char *envars[] = {
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"fillcol", /* current fill column */
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"pagelen", /* number of lines used by editor */
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"curcol", /* current column pos of cursor */
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"curline", /* current line in file */
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"ram", /* ram in use by malloc */
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"flicker", /* flicker supression */
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"curwidth", /* current screen width */
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"cbufname", /* current buffer name */
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"cfname", /* current file name */
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"sres", /* current screen resolution */
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"debug", /* macro debugging */
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"status", /* returns the status of the last command */
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"palette", /* current palette string */
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"asave", /* # of chars between auto-saves */
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"acount", /* # of chars until next auto-save */
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"lastkey", /* last keyboard char struck */
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"curchar", /* current character under the cursor */
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"discmd", /* display commands on command line */
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"version", /* current version number */
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"progname", /* returns current prog name - "MicroEMACS" */
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"seed", /* current random number seed */
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"disinp", /* display command line input characters */
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"wline", /* # of lines in current window */
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"cwline", /* current screen line in window */
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"target", /* target for line moves */
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"search", /* search pattern */
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"replace", /* replacement pattern */
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"match", /* last matched magic pattern */
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"kill", /* kill buffer (read only) */
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"cmode", /* mode of current buffer */
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"gmode", /* global modes */
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"tpause", /* length to pause for paren matching */
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"pending", /* type ahead pending flag */
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"lwidth", /* width of current line */
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"line", /* text of current line */
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"gflags", /* global internal emacs flags */
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"rval", /* child process return value */
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"tab", /* tab 4 or 8 */
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"overlap",
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"jump",
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#if SCROLLCODE
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"scroll", /* scroll enabled */
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#endif
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};
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/* And its preprocesor definitions. */
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#define EVFILLCOL 0
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#define EVPAGELEN 1
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#define EVCURCOL 2
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#define EVCURLINE 3
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#define EVRAM 4
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#define EVFLICKER 5
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#define EVCURWIDTH 6
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#define EVCBUFNAME 7
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#define EVCFNAME 8
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#define EVSRES 9
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#define EVDEBUG 10
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#define EVSTATUS 11
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#define EVPALETTE 12
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#define EVASAVE 13
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#define EVACOUNT 14
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#define EVLASTKEY 15
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#define EVCURCHAR 16
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#define EVDISCMD 17
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#define EVVERSION 18
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#define EVPROGNAME 19
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#define EVSEED 20
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#define EVDISINP 21
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#define EVWLINE 22
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#define EVCWLINE 23
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#define EVTARGET 24
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#define EVSEARCH 25
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#define EVREPLACE 26
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#define EVMATCH 27
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#define EVKILL 28
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#define EVCMODE 29
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#define EVGMODE 30
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#define EVTPAUSE 31
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#define EVPENDING 32
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#define EVLWIDTH 33
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#define EVLINE 34
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#define EVGFLAGS 35
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#define EVRVAL 36
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#define EVTAB 37
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#define EVOVERLAP 38
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#define EVSCROLLCOUNT 39
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#define EVSCROLL 40
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enum function_type {
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NILNAMIC = 0,
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MONAMIC,
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DYNAMIC,
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TRINAMIC,
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};
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/* List of recognized user functions. */
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static struct {
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const char f_name[ 4] ;
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const enum function_type f_type ;
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} funcs[] = {
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{ "add", DYNAMIC }, /* add two numbers together */
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{ "sub", DYNAMIC }, /* subtraction */
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{ "tim", DYNAMIC }, /* multiplication */
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{ "div", DYNAMIC }, /* division */
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{ "mod", DYNAMIC }, /* mod */
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{ "neg", MONAMIC }, /* negate */
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{ "cat", DYNAMIC }, /* concatinate string */
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{ "lef", DYNAMIC }, /* left string(string, len) */
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{ "rig", DYNAMIC }, /* right string(string, pos) */
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{ "mid", TRINAMIC }, /* mid string(string, pos, len) */
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{ "not", MONAMIC }, /* logical not */
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{ "equ", DYNAMIC }, /* logical equality check */
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{ "les", DYNAMIC }, /* logical less than */
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{ "gre", DYNAMIC }, /* logical greater than */
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{ "seq", DYNAMIC }, /* string logical equality check */
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{ "sle", DYNAMIC }, /* string logical less than */
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{ "sgr", DYNAMIC }, /* string logical greater than */
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{ "ind", MONAMIC }, /* evaluate indirect value */
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{ "and", DYNAMIC }, /* logical and */
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{ "or", DYNAMIC }, /* logical or */
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{ "len", MONAMIC }, /* string length */
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{ "upp", MONAMIC }, /* uppercase string */
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{ "low", MONAMIC }, /* lower case string */
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{ "tru", MONAMIC }, /* Truth of the universe logical test */
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{ "asc", MONAMIC }, /* char to integer conversion */
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{ "chr", MONAMIC }, /* integer to char conversion */
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{ "gtk", NILNAMIC }, /* get 1 charater */
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{ "rnd", MONAMIC }, /* get a random number */
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{ "abs", MONAMIC }, /* absolute value of a number */
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{ "sin", DYNAMIC }, /* find the index of one string in another */
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{ "env", MONAMIC }, /* retrieve a system environment var */
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{ "bin", MONAMIC }, /* loopup what function name is bound to a key */
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{ "exi", MONAMIC }, /* check if a file exists */
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{ "fin", MONAMIC }, /* look for a file on the path... */
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{ "ban", DYNAMIC }, /* bitwise and 9-10-87 jwm */
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{ "bor", DYNAMIC }, /* bitwise or 9-10-87 jwm */
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{ "bxo", DYNAMIC }, /* bitwise xor 9-10-87 jwm */
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{ "bno", MONAMIC }, /* bitwise not */
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{ "xla", TRINAMIC }, /* XLATE character string translation */
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};
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/* And its preprocesor definitions. */
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#define UFADD 0
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#define UFSUB 1
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#define UFTIMES 2
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#define UFDIV 3
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#define UFMOD 4
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#define UFNEG 5
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#define UFCAT 6
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#define UFLEFT 7
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#define UFRIGHT 8
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#define UFMID 9
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#define UFNOT 10
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#define UFEQUAL 11
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#define UFLESS 12
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#define UFGREATER 13
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#define UFSEQUAL 14
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#define UFSLESS 15
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#define UFSGREAT 16
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#define UFIND 17
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#define UFAND 18
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#define UFOR 19
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#define UFLENGTH 20
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#define UFUPPER 21
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#define UFLOWER 22
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#define UFTRUTH 23
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#define UFASCII 24
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#define UFCHR 25
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#define UFGTKEY 26
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#define UFRND 27
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#define UFABS 28
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#define UFSINDEX 29
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#define UFENV 30
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#define UFBIND 31
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#define UFEXIST 32
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#define UFFIND 33
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#define UFBAND 34
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#define UFBOR 35
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#define UFBXOR 36
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#define UFBNOT 37
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#define UFXLATE 38
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/* User variables */
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static struct user_variable uv[MAXVARS + 1];
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209
evar.h
209
evar.h
@ -1,209 +0,0 @@
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/* EVAR.H
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*
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* Environment and user variable definitions
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*
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* written 1986 by Daniel Lawrence
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* modified by Petri Kutvonen
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*/
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#ifndef EVAR_H_
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#define EVAR_H_
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/* Max #chars in a var name. */
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#define NVSIZE 10
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/* Structure to hold user variables and their definitions. */
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struct user_variable {
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char u_name[NVSIZE + 1]; /* name of user variable */
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char *u_value; /* value (string) */
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};
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/* List of recognized environment variables. */
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static char *envars[] = {
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"fillcol", /* current fill column */
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"pagelen", /* number of lines used by editor */
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"curcol", /* current column pos of cursor */
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"curline", /* current line in file */
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"ram", /* ram in use by malloc */
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"flicker", /* flicker supression */
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"curwidth", /* current screen width */
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"cbufname", /* current buffer name */
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"cfname", /* current file name */
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"sres", /* current screen resolution */
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"debug", /* macro debugging */
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"status", /* returns the status of the last command */
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"palette", /* current palette string */
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"asave", /* # of chars between auto-saves */
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"acount", /* # of chars until next auto-save */
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"lastkey", /* last keyboard char struck */
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"curchar", /* current character under the cursor */
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"discmd", /* display commands on command line */
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"version", /* current version number */
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"progname", /* returns current prog name - "MicroEMACS" */
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"seed", /* current random number seed */
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"disinp", /* display command line input characters */
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"wline", /* # of lines in current window */
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"cwline", /* current screen line in window */
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"target", /* target for line moves */
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"search", /* search pattern */
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"replace", /* replacement pattern */
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"match", /* last matched magic pattern */
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"kill", /* kill buffer (read only) */
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"cmode", /* mode of current buffer */
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"gmode", /* global modes */
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"tpause", /* length to pause for paren matching */
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"pending", /* type ahead pending flag */
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"lwidth", /* width of current line */
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"line", /* text of current line */
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"gflags", /* global internal emacs flags */
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"rval", /* child process return value */
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"tab", /* tab 4 or 8 */
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"overlap",
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"jump",
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#if SCROLLCODE
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"scroll", /* scroll enabled */
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#endif
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};
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/* And its preprocesor definitions. */
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#define EVFILLCOL 0
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#define EVPAGELEN 1
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#define EVCURCOL 2
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#define EVCURLINE 3
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#define EVRAM 4
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#define EVFLICKER 5
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#define EVCURWIDTH 6
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#define EVCBUFNAME 7
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#define EVCFNAME 8
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#define EVSRES 9
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#define EVDEBUG 10
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#define EVSTATUS 11
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#define EVPALETTE 12
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#define EVASAVE 13
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#define EVACOUNT 14
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#define EVLASTKEY 15
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#define EVCURCHAR 16
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#define EVDISCMD 17
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#define EVVERSION 18
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#define EVPROGNAME 19
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#define EVSEED 20
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#define EVDISINP 21
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#define EVWLINE 22
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#define EVCWLINE 23
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#define EVTARGET 24
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#define EVSEARCH 25
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#define EVREPLACE 26
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#define EVMATCH 27
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#define EVKILL 28
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#define EVCMODE 29
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#define EVGMODE 30
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#define EVTPAUSE 31
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#define EVPENDING 32
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#define EVLWIDTH 33
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#define EVLINE 34
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#define EVGFLAGS 35
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#define EVRVAL 36
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#define EVTAB 37
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#define EVOVERLAP 38
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#define EVSCROLLCOUNT 39
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#define EVSCROLL 40
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enum function_type {
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NILNAMIC = 0,
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MONAMIC,
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DYNAMIC,
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TRINAMIC,
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};
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/* List of recognized user functions. */
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struct user_function {
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char *f_name;
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enum function_type f_type;
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};
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static struct user_function funcs[] = {
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{ "add", DYNAMIC }, /* add two numbers together */
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{ "sub", DYNAMIC }, /* subtraction */
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{ "tim", DYNAMIC }, /* multiplication */
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{ "div", DYNAMIC }, /* division */
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{ "mod", DYNAMIC }, /* mod */
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{ "neg", MONAMIC }, /* negate */
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{ "cat", DYNAMIC }, /* concatinate string */
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{ "lef", DYNAMIC }, /* left string(string, len) */
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{ "rig", DYNAMIC }, /* right string(string, pos) */
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{ "mid", TRINAMIC }, /* mid string(string, pos, len) */
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{ "not", MONAMIC }, /* logical not */
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{ "equ", DYNAMIC }, /* logical equality check */
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{ "les", DYNAMIC }, /* logical less than */
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{ "gre", DYNAMIC }, /* logical greater than */
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{ "seq", DYNAMIC }, /* string logical equality check */
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{ "sle", DYNAMIC }, /* string logical less than */
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{ "sgr", DYNAMIC }, /* string logical greater than */
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{ "ind", MONAMIC }, /* evaluate indirect value */
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{ "and", DYNAMIC }, /* logical and */
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{ "or", DYNAMIC }, /* logical or */
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{ "len", MONAMIC }, /* string length */
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{ "upp", MONAMIC }, /* uppercase string */
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{ "low", MONAMIC }, /* lower case string */
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{ "tru", MONAMIC }, /* Truth of the universe logical test */
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{ "asc", MONAMIC }, /* char to integer conversion */
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{ "chr", MONAMIC }, /* integer to char conversion */
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{ "gtk", NILNAMIC }, /* get 1 charater */
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{ "rnd", MONAMIC }, /* get a random number */
|
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{ "abs", MONAMIC }, /* absolute value of a number */
|
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{ "sin", DYNAMIC }, /* find the index of one string in another */
|
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{ "env", MONAMIC }, /* retrieve a system environment var */
|
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{ "bin", MONAMIC }, /* loopup what function name is bound to a key */
|
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{ "exi", MONAMIC }, /* check if a file exists */
|
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{ "fin", MONAMIC }, /* look for a file on the path... */
|
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{ "ban", DYNAMIC }, /* bitwise and 9-10-87 jwm */
|
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{ "bor", DYNAMIC }, /* bitwise or 9-10-87 jwm */
|
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{ "bxo", DYNAMIC }, /* bitwise xor 9-10-87 jwm */
|
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{ "bno", MONAMIC }, /* bitwise not */
|
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{ "xla", TRINAMIC }, /* XLATE character string translation */
|
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};
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/* And its preprocesor definitions. */
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#define UFADD 0
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#define UFSUB 1
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#define UFTIMES 2
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#define UFDIV 3
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#define UFMOD 4
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#define UFNEG 5
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#define UFCAT 6
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#define UFLEFT 7
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#define UFRIGHT 8
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#define UFMID 9
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#define UFNOT 10
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#define UFEQUAL 11
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#define UFLESS 12
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#define UFGREATER 13
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#define UFSEQUAL 14
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#define UFSLESS 15
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#define UFSGREAT 16
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#define UFIND 17
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#define UFAND 18
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#define UFOR 19
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#define UFLENGTH 20
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#define UFUPPER 21
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#define UFLOWER 22
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#define UFTRUTH 23
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#define UFASCII 24
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#define UFCHR 25
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#define UFGTKEY 26
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#define UFRND 27
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#define UFABS 28
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#define UFSINDEX 29
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#define UFENV 30
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#define UFBIND 31
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#define UFEXIST 32
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#define UFFIND 33
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#define UFBAND 34
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#define UFBOR 35
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#define UFBXOR 36
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#define UFBNOT 37
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#define UFXLATE 38
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#endif /* EVAR_H_ */
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