diff options
Diffstat (limited to 'qemu/roms/openbios/forth/lib/preprocessor.fs')
| -rw-r--r-- | qemu/roms/openbios/forth/lib/preprocessor.fs | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/qemu/roms/openbios/forth/lib/preprocessor.fs b/qemu/roms/openbios/forth/lib/preprocessor.fs deleted file mode 100644 index 89d478cff..000000000 --- a/qemu/roms/openbios/forth/lib/preprocessor.fs +++ /dev/null @@ -1,76 +0,0 @@ -\ tag: Forth preprocessor -\ -\ Forth preprocessor -\ -\ Copyright (C) 2003, 2004 Samuel Rydh -\ -\ See the file "COPYING" for further information about -\ the copyright and warranty status of this work. -\ - -0 value prep-wid -0 value prep-dict -0 value prep-here - -: ([IF]) - begin - begin parse-word dup 0= while - 2drop refill - repeat - - 2dup " [IF]" strcmp 0= if 1 throw then - 2dup " [IFDEF]" strcmp 0= if 1 throw then - 2dup " [ELSE]" strcmp 0= if 2 throw then - 2dup " [THEN]" strcmp 0= if 3 throw then - " \\" strcmp 0= if linefeed parse 2drop then - again -; - -: [IF] ( flag -- ) - if exit then - 1 begin - ['] ([IF]) catch case - \ EOF (FIXME: this does not work) - \ -1 of ." Missing [THEN]" abort exit endof - \ [IF] - 1 of 1+ endof - \ [ELSE] - 2 of dup 1 = if 1- then endof - \ [THEN] - 3 of 1- endof - endcase - dup 0 <= - until drop -; immediate - -: [ELSE] 0 [ ['] [IF] , ] ; immediate -: [THEN] ; immediate - -:noname - 0 to prep-wid - 0 to prep-dict -; initializer - -: [IFDEF] ( <word> -- ) - prep-wid if - parse-word prep-wid search-wordlist dup if nip then - else 0 then - [ ['] [IF] , ] -; immediate - -: [DEFINE] ( <word> -- ) - parse-word here get-current >r >r - prep-dict 0= if - 2000 alloc-mem here! - here to prep-dict - wordlist to prep-wid - here to prep-here - then - prep-wid set-current prep-here here! - $create - here to prep-here - r> r> set-current here! -; immediate - -: [0] 0 ; immediate -: [1] 1 ; immediate |