--- gforth/Attic/kernal.fs	1996/02/19 19:19:34	1.53
+++ gforth/Attic/kernal.fs	1996/05/07 16:15:22	1.57
@@ -453,7 +453,7 @@ hex
 
 : throw ( y1 .. ym error/0 -- y1 .. ym / z1 .. zn error ) \ exception
     ?DUP IF
-	[ here 4 cells ! ]
+	[ here 9 cells ! ]
 	handler @ rp!
 	r> handler !
 	r> lp!
@@ -492,6 +492,11 @@ Defer notfound ( c-addr count -- )
     2drop -&13 bounce ;
 ' no.extensions IS notfound
 
+: compile-only ( ... -- )
+    -&14 throw ;
+Defer interpret-special ( c-addr u xt -- ) \ !! use nfa instead of xt?
+' compile-only IS interpret-special
+
 : interpret ( ?? -- ?? ) \ gforth
     \ interpret/compile the (rest of the) input buffer
     BEGIN
@@ -511,7 +516,7 @@ Defer notfound ( c-addr count -- )
 	IF \ not restricted to compile state?
 	    nip nip execute EXIT
 	THEN
-	-&14 throw
+	interpret-special exit
     THEN
     drop
     2dup 2>r snumber?
@@ -1137,7 +1142,7 @@ Create ???  0 , 3 c, char ? c, char ? c,
 \     Create ( -- ) 
 \ 	['] noop A,
 \     DOES> ( ??? )
-\ 	@ execute ;
+\ 	perform ;
 
 : IS ( addr "name" -- ) \ gforth
     ' >body
@@ -1218,7 +1223,7 @@ AVariable lookup       G forth-wordlist
 G forth-wordlist current T !
 
 : (search-wordlist)  ( addr count wid -- nfa / false )
-  dup wordlist-map @ find-method @ execute ;
+  dup wordlist-map @ find-method perform ;
 
 : search-wordlist  ( addr count wid -- 0 / xt +-1 ) \ search
     (search-wordlist) dup  IF  found  THEN ;
@@ -1253,10 +1258,10 @@ G -1 warnings T !
  last? if
    name>string current @ check-shadow
  then
- current @ wordlist-map @ reveal-method @ execute ;
+ current @ wordlist-map @ reveal-method perform ;
 
 : rehash  ( wid -- )
-    dup wordlist-map @ rehash-method @ execute ;
+    dup wordlist-map @ rehash-method perform ;
 
 : '    ( "name" -- addr ) \ core	tick
     name sfind 0= if -&13 bounce then ;
@@ -1279,6 +1284,9 @@ G -1 warnings T !
     #lf ( sic! ) emit ;
 
 \ : backspaces  0 ?DO  #bs emit  LOOP ;
+
+Variable ^d-mode  -1 ^d-mode ! \ ^d is "EOF" if at beginning of the line
+
 : >string  ( span addr pos1 -- span addr pos1 addr2 len )
   over 3 pick 2 pick chars /string ;
 : type-rest ( span addr pos1 -- span addr pos1 back )
@@ -1294,7 +1302,11 @@ G -1 warnings T !
 : (ret)  type-rest drop true space ;
 : back  dup  IF  1- #bs emit  ELSE  #bell emit  THEN 0 ;
 : forw 2 pick over <> IF  2dup + c@ emit 1+  ELSE  #bell emit  THEN 0 ;
-: eof  2 pick 0=  IF  bye  ELSE  (ret)  THEN ;
+: eof  ^d-mode @  IF
+        bye
+    ELSE  2 pick over <>
+	IF  forw drop (del)  ELSE  #bell emit  THEN  0
+    THEN ;
 
 Create ctrlkeys
   ] false false back  false  eof   false forw  false
@@ -1308,18 +1320,15 @@ defer everychar
 : decode ( max span addr pos1 key -- max span addr pos2 flag )
   everychar
   dup #del = IF  drop #bs  THEN  \ del is rubout
-  dup bl <   IF  cells ctrlkeys + @ execute  EXIT  THEN
+  dup bl <   IF  cells ctrlkeys + perform  EXIT  THEN
   >r 2over = IF  rdrop bell 0 EXIT  THEN
   r> (ins) 0 ;
 
-\ decode should better use a table for control key actions
-\ to define keyboard bindings later
-
 : accept   ( addr len -- len ) \ core
   dup 0< IF    abs over dup 1 chars - c@ tuck type 
 \ this allows to edit given strings
          ELSE  0  THEN rot over
-  BEGIN  key decode  UNTIL
+  BEGIN  key decode dup ^d-mode !  UNTIL
   2drop nip ;
 
 \ Output                                               13feb93py