version 1.5, 1994/11/29 16:22:47
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version 1.11, 1996/05/04 18:39:25
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Line 1
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\ SEE.FS highend SEE for ANSforth 16may93jaw |
\ SEE.FS highend SEE for ANSforth 16may93jaw |
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\ Copyright (C) 1995 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
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\ Gforth is free software; you can redistribute it and/or |
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\ modify it under the terms of the GNU General Public License |
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\ as published by the Free Software Foundation; either version 2 |
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\ of the License, or (at your option) any later version. |
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\ This program is distributed in the hope that it will be useful, |
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\ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
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\ along with this program; if not, write to the Free Software |
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\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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\ May be cross-compiled |
\ May be cross-compiled |
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\ I'm sorry. This is really not "forthy" enough. |
\ I'm sorry. This is really not "forthy" enough. |
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\ Ideas: Level should be a stack |
\ Ideas: Level should be a stack |
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require termsize.fs |
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decimal |
decimal |
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\ Screen format words 16may93jaw |
\ Screen format words 16may93jaw |
Line 37 DEFER nlcount ' noop IS nlcount
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Line 58 DEFER nlcount ' noop IS nlcount
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XPos @ Level @ = ?Exit |
XPos @ Level @ = ?Exit |
C-Formated @ IF |
C-Formated @ IF |
C-Output @ |
C-Output @ |
IF C-Clearline @ IF 80 XPos @ - spaces |
IF C-Clearline @ IF cols XPos @ - spaces |
ELSE cr THEN |
ELSE cr THEN |
1 YPos +! 0 XPos ! |
1 YPos +! 0 XPos ! |
Level @ spaces |
Level @ spaces |
Line 45 DEFER nlcount ' noop IS nlcount
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Line 66 DEFER nlcount ' noop IS nlcount
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: warp? ( len -- len ) |
: warp? ( len -- len ) |
nlflag @ IF (nl) nlflag off THEN |
nlflag @ IF (nl) nlflag off THEN |
XPos @ over + 79 u> IF (nl) THEN ; |
XPos @ over + cols u>= IF (nl) THEN ; |
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: ctype ( adr len -- ) |
: ctype ( adr len -- ) |
warp? dup XPos +! C-Output @ IF type ELSE 2drop THEN ; |
warp? dup XPos +! C-Output @ IF type ELSE 2drop THEN ; |
Line 181 VARIABLE C-Pass
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Line 202 VARIABLE C-Pass
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: ahead? ( n -- flag ) 0> ; |
: ahead? ( n -- flag ) 0> ; |
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: c-(compile) |
: c-(compile) |
Display? IF s" POSTPONE " Com# .string |
Display? |
dup @ look 0= ABORT" SEE: No valid XT" |
IF |
cell+ count $1F and 0 .string bl cemit |
s" POSTPONE " Com# .string |
THEN |
dup @ look 0= ABORT" SEE: No valid XT" |
cell+ ; |
name>string 0 .string bl cemit |
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THEN |
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cell+ ; |
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: c-lit |
: c-lit |
Display? IF dup @ dup abs 0 <# #S rot sign #> 0 .string bl cemit THEN |
Display? IF |
cell+ ; |
dup @ dup abs 0 <# #S rot sign #> 0 .string bl cemit |
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THEN |
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cell+ ; |
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: c-@local# |
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Display? IF |
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S" @local" 0 .string |
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dup @ dup 1 cells / abs 0 <# #S rot sign #> 0 .string bl cemit |
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THEN |
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cell+ ; |
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: c-flit |
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Display? IF |
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dup f@ scratch represent 0= |
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IF 2drop scratch 3 min 0 .string |
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ELSE |
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IF '- cemit THEN 1- |
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scratch over c@ cemit '. cemit 1 /string 0 .string |
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'E cemit |
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dup abs 0 <# #S rot sign #> 0 .string bl cemit |
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THEN THEN |
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float+ ; |
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: c-f@local# |
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Display? IF |
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S" f@local" 0 .string |
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dup @ dup 1 floats / abs 0 <# #S rot sign #> 0 .string bl cemit |
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THEN |
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cell+ ; |
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: c-laddr# |
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Display? IF |
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S" laddr# " 0 .string |
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dup @ dup abs 0 <# #S rot sign #> 0 .string bl cemit |
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THEN |
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cell+ ; |
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: c-lp+!# |
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Display? IF |
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S" lp+!# " 0 .string |
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dup @ dup abs 0 <# #S rot sign #> 0 .string bl cemit |
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THEN |
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cell+ ; |
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: c-s" |
: c-s" |
count 2dup + aligned -rot |
count 2dup + aligned -rot |
Line 309 VARIABLE C-Pass
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Line 374 VARIABLE C-Pass
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IF WhileCode2 swap ! |
IF WhileCode2 swap ! |
ELSE drop THEN |
ELSE drop THEN |
level- nl |
level- nl |
S" WHILE" .struc |
S" WHILE " .struc |
level+ |
level+ |
ELSE nl S" IF" .struc level+ |
ELSE nl S" IF " .struc level+ |
THEN |
THEN |
THEN |
THEN |
THEN |
THEN |
DebugBranch |
DebugBranch |
cell+ ; |
cell+ ; |
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: c-?branch-lp+!# c-?branch cell+ ; |
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: c-branch-lp+!# c-branch cell+ ; |
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: c-do |
: c-do |
Display? IF nl S" DO" .struc level+ THEN ; |
Display? IF nl S" DO" .struc level+ THEN ; |
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Line 336 VARIABLE C-Pass
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Line 404 VARIABLE C-Pass
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Display? IF level- nl S" LOOP " .struc nl THEN |
Display? IF level- nl S" LOOP " .struc nl THEN |
DebugBranch cell+ cell+ ; |
DebugBranch cell+ cell+ ; |
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: c-+loop |
: c-+loop |
Display? IF level- nl S" +LOOP " .struc nl THEN |
Display? IF level- nl S" +LOOP " .struc nl THEN |
DebugBranch cell+ cell+ ; |
DebugBranch cell+ cell+ ; |
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: c-s+loop |
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Display? IF level- nl S" S+LOOP " .struc nl THEN |
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DebugBranch cell+ cell+ ; |
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: c--loop |
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Display? IF level- nl S" -LOOP " .struc nl THEN |
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DebugBranch cell+ cell+ ; |
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: c-next-lp+!# c-next cell+ ; |
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: c-loop-lp+!# c-loop cell+ ; |
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: c-+loop-lp+!# c-+loop cell+ ; |
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: c-s+loop-lp+!# c-s+loop cell+ ; |
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: c--loop-lp+!# c--loop cell+ ; |
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: c-leave |
: c-leave |
Display? IF S" LEAVE " .struc THEN |
Display? IF S" LEAVE " .struc THEN |
Debug? IF dup @ + THEN cell+ ; |
Debug? IF dup @ + THEN cell+ ; |
Line 357 VARIABLE C-Pass
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Line 438 VARIABLE C-Pass
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THEN |
THEN |
Debug? IF drop THEN ; |
Debug? IF drop THEN ; |
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: c-;code \ end of create part |
: c-does> \ end of create part |
Display? IF S" DOES> " Com# .string THEN |
Display? IF S" DOES> " Com# .string THEN |
Cell+ cell+ ; |
Cell+ cell+ ; |
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Line 372 VARIABLE C-Pass
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Line 453 VARIABLE C-Pass
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CREATE C-Table |
CREATE C-Table |
' lit A, ' c-lit A, |
' lit A, ' c-lit A, |
' (s") A, ' c-s" A, |
' @local# A, ' c-@local# A, |
' (.") A, ' c-." A, |
' flit A, ' c-flit A, |
' "lit A, ' c-c" A, |
' f@local# A, ' c-f@local# A, |
' ?branch A, ' c-?branch A, |
' laddr# A, ' c-laddr# A, |
' branch A, ' c-branch A, |
' lp+!# A, ' c-lp+!# A, |
' leave A, ' c-leave A, |
' (s") A, ' c-s" A, |
' ?leave A, ' c-?leave A, |
' (.") A, ' c-." A, |
' (do) A, ' c-do A, |
' "lit A, ' c-c" A, |
' (?do) A, ' c-?do A, |
' leave A, ' c-leave A, |
' (for) A, ' c-for A, |
' ?leave A, ' c-?leave A, |
' (loop) A, ' c-loop A, |
' (do) A, ' c-do A, |
' (+loop) A, ' c-+loop A, |
' (?do) A, ' c-?do A, |
' (next) A, ' c-next A, |
' (for) A, ' c-for A, |
' ;s A, ' c-exit A, |
' ?branch A, ' c-?branch A, |
' (;code) A, ' c-;code A, |
' branch A, ' c-branch A, |
' (abort") A, ' c-abort" A, |
' (loop) A, ' c-loop A, |
' (compile) A, ' c-(compile) A, |
' (+loop) A, ' c-+loop A, |
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' (s+loop) A, ' c-s+loop A, |
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' (-loop) A, ' c--loop A, |
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' (next) A, ' c-next A, |
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' ?branch-lp+!# A, ' c-?branch-lp+!# A, |
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' branch-lp+!# A, ' c-branch-lp+!# A, |
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' (loop)-lp+!# A, ' c-loop-lp+!# A, |
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' (+loop)-lp+!# A, ' c-+loop-lp+!# A, |
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' (s+loop)-lp+!# A, ' c-s+loop-lp+!# A, |
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' (-loop)-lp+!# A, ' c--loop-lp+!# A, |
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' (next)-lp+!# A, ' c-next-lp+!# A, |
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' ;s A, ' c-exit A, |
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' (does>) A, ' c-does> A, |
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' (abort") A, ' c-abort" A, |
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' (compile) A, ' c-(compile) A, |
0 , |
0 , |
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\ DOTABLE 15may93jaw |
\ DOTABLE 15may93jaw |
Line 400 CREATE C-Table
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Line 495 CREATE C-Table
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WHILE 2 pick <> |
WHILE 2 pick <> |
WHILE 2 cells + |
WHILE 2 cells + |
REPEAT |
REPEAT |
nip cell+ @ EXECUTE |
nip cell+ perform |
true |
true |
ELSE |
ELSE |
2drop drop false |
2drop drop false |
Line 454 DEFER dosee
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Line 549 DEFER dosee
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: docon dup cell+ (name>) >body @ . ." Constant " .name cr ; |
: docon dup cell+ (name>) >body @ . ." Constant " .name cr ; |
: doval dup cell+ (name>) >body @ . ." Value " .name cr ; |
: doval dup cell+ (name>) >body @ . ." Value " .name cr ; |
: dodef ." Defer " dup >r .name cr |
: dodef ." Defer " dup >r .name cr |
here @ look 0= ABORT" SEE: No valid xt in defered word" |
r@ cell+ (name>) >body @ look |
here @ look drop dosee cr |
0= ABORT" SEE: No valid xt in deferred word" |
." ' " .name r> ." IS " .name cr ; |
dup dosee cr |
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." ' " .name r> ." IS " .name cr ; |
: dodoe ." Create " dup .name cr |
: dodoe ." Create " dup .name cr |
S" DOES> " Com# .string XPos @ Level ! name> |
S" DOES> " Com# .string XPos @ Level ! name> |
>does-code dup C-Pass @ DebugMode = IF ScanMode c-pass ! EXIT THEN |
>does-code dup C-Pass @ DebugMode = IF ScanMode c-pass ! EXIT THEN |
Line 464 DEFER dosee
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Line 560 DEFER dosee
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DisplayMode c-pass ! makepass ; |
DisplayMode c-pass ! makepass ; |
: doali here @ .name ." Alias " .name cr |
: doali here @ .name ." Alias " .name cr |
here @ dosee ; |
here @ dosee ; |
: docol S" : " Com# .string |
: docol |
dup cell+ count $1F and 2 pick wordinfo .string bl cemit bl cemit |
S" : " Com# .string |
( XPos @ ) 2 Level ! |
dup name>string 2 pick wordinfo .string bl cemit bl cemit |
name> >body |
( XPos @ ) 2 Level ! |
C-Pass @ DebugMode = IF ScanMode c-pass ! EXIT THEN |
name> >body |
ScanMode c-pass ! dup makepass |
C-Pass @ DebugMode = |
DisplayMode c-pass ! makepass ; |
IF |
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ScanMode c-pass ! EXIT |
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THEN |
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ScanMode c-pass ! dup makepass |
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DisplayMode c-pass ! makepass ; |
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create wordtypes |
create wordtypes |
Pri# , ' dopri A, |
Pri# , ' dopri A, |