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Annotation of gforth/kernel/tools.fs, revision 1.22

1.1       anton       1: \ TOOLS.FS     Toolkit extentions                      2may93jaw
                      2: 
1.19      anton       3: \ Copyright (C) 1995,1998,1999,2001,2003 Free Software Foundation, Inc.
1.1       anton       4: 
                      5: \ This file is part of Gforth.
                      6: 
                      7: \ Gforth is free software; you can redistribute it and/or
                      8: \ modify it under the terms of the GNU General Public License
                      9: \ as published by the Free Software Foundation; either version 2
                     10: \ of the License, or (at your option) any later version.
                     11: 
                     12: \ This program is distributed in the hope that it will be useful,
                     13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
                     14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     15: \ GNU General Public License for more details.
                     16: 
                     17: \ You should have received a copy of the GNU General Public License
                     18: \ along with this program; if not, write to the Free Software
1.16      anton      19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.1       anton      20: 
                     21: \ May be cross-compiled
                     22: 
1.13      jwilke     23: require ./io.fs                \ type ...
                     24: require ./nio.fs       \ . <# ...
                     25: require ./int.fs       \ wordlist-id ..
                     26: 
1.1       anton      27: hex
                     28: 
                     29: \ .S            CORE / CORE EXT                         9may93jaw
                     30: 
1.22    ! anton      31: variable maxdepth-.s \ gforth maxdepth-dot-s
        !            32: \G A variable containing 9 by default.  \code{.s} and \code{f.s}
        !            33: \G display at most that many stack items.
1.1       anton      34: 9 maxdepth-.s !
                     35: 
1.7       crook      36: : .s ( -- ) \ tools dot-s
1.22    ! anton      37: \G Display the number of items on the data stack, followed by a list
        !            38: \G of the items (but not more than specified by @code{maxdepth-.s};
        !            39: \G TOS is the right-most item.
1.1       anton      40:     ." <" depth 0 .r ." > "
                     41:     depth 0 max maxdepth-.s @ min
                     42:     dup 0
                     43:     ?do
                     44:        dup i - pick .
                     45:     loop
                     46:     drop ;
                     47: 
                     48: \ DUMP                       2may93jaw - 9may93jaw    06jul93py
                     49: \ looks very nice, I know
                     50: 
                     51: Variable /dump
                     52: 
                     53: : .4 ( addr -- addr' )
                     54:     3 FOR  -1 /dump +!  /dump @ 0<
1.9       anton      55:         IF  ."    "  ELSE  dup c@ 0 <<# # # #> type #>> space  THEN
1.1       anton      56:     char+ NEXT ;
                     57: : .chars ( addr -- )
                     58:     /dump @ bounds
                     59:     ?DO I c@ dup 7f bl within
                     60:        IF  drop [char] .  THEN  emit
                     61:     LOOP ;
                     62: 
                     63: : .line ( addr -- )
                     64:   dup .4 space .4 ." - " .4 space .4 drop  10 /dump +!  space .chars ;
                     65: 
1.7       crook      66: : dump  ( addr u -- ) \ tools dump
1.10      crook      67:     \G Display @var{u} lines of memory starting at address @var{addr}. Each line
1.7       crook      68:     \G displays the contents of 16 bytes. When Gforth is running under
                     69:     \G an operating system you may get @file{Invalid memory address} errors
                     70:     \G if you attempt to access arbitrary locations.
1.1       anton      71:     cr base @ >r hex        \ save base on return stack
                     72:     0 ?DO  I' I - 10 min /dump !
                     73:        dup 8 u.r ." : " dup .line cr  10 +
                     74:        10 +LOOP
                     75:     drop r> base ! ;
                     76: 
                     77: \ ?                                                     17may93jaw
                     78: 
1.7       crook      79: : ? ( a-addr -- ) \ tools question
1.10      crook      80:     \G Display the contents of address @var{a-addr} in the current number base.
1.7       crook      81:     @ . ;
1.1       anton      82: 
1.2       jwilke     83: \ words visible in roots                               14may93py
                     84: 
1.12      jwilke     85: include  ./../termsize.fs
1.2       jwilke     86: 
1.17      anton      87: : wordlist-words ( wid -- ) \ gforth
                     88:     \G Display the contents of the wordlist wid.
1.20      pazsan     89:     [ has? ec 0= [IF] ] wordlist-id [ [THEN] ]
                     90:     0 swap cr
1.2       jwilke     91:     BEGIN
                     92:        @ dup
                     93:     WHILE
1.3       pazsan     94:        2dup name>string nip 2 + dup >r +
1.2       jwilke     95:        cols >=
                     96:        IF
                     97:            cr nip 0 swap
                     98:        THEN
1.3       pazsan     99:        dup name>string type space r> rot + swap
1.2       jwilke    100:     REPEAT
                    101:     2drop ;
1.17      anton     102: 
                    103: : words
                    104:     \G ** this will not get annotated. See other defn in search.fs .. **
                    105:     \G It does not work to use "wordset-" prefix since this file is glossed
                    106:     \G by cross.fs which doesn't have the same functionalty as makedoc.fs
1.21      pazsan    107:     [ has? ec 0= [IF] ] context @ [ [ELSE] ] forth-wordlist [ [THEN] ]
                    108:     wordlist-words ;
1.2       jwilke    109: 
                    110: ' words alias vlist ( -- ) \ gforth
                    111: \g Old (pre-Forth-83) name for @code{WORDS}.