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Annotation of gforth/kernel/tools.fs, revision 1.27

1.1       anton       1: \ TOOLS.FS     Toolkit extentions                      2may93jaw
                      2: 
1.26      anton       3: \ Copyright (C) 1995,1998,1999,2001,2003,2006,2007 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
1.27    ! anton       9: \ as published by the Free Software Foundation, either version 3
1.1       anton      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
1.27    ! anton      18: \ along with this program. If not, see http://www.gnu.org/licenses/.
1.1       anton      19: 
                     20: \ May be cross-compiled
                     21: 
1.13      jwilke     22: require ./io.fs                \ type ...
                     23: require ./nio.fs       \ . <# ...
                     24: require ./int.fs       \ wordlist-id ..
                     25: 
1.1       anton      26: hex
                     27: 
                     28: \ .S            CORE / CORE EXT                         9may93jaw
                     29: 
1.25      anton      30: variable maxdepth-.s ( -- addr ) \ gforth maxdepth-dot-s
1.23      pazsan     31: \G A variable containing 9 by default.  @code{.s} and @code{f.s}
1.22      anton      32: \G display at most that many stack items.
1.1       anton      33: 9 maxdepth-.s !
                     34: 
1.7       crook      35: : .s ( -- ) \ tools dot-s
1.22      anton      36: \G Display the number of items on the data stack, followed by a list
                     37: \G of the items (but not more than specified by @code{maxdepth-.s};
                     38: \G TOS is the right-most item.
1.1       anton      39:     ." <" depth 0 .r ." > "
                     40:     depth 0 max maxdepth-.s @ min
                     41:     dup 0
                     42:     ?do
                     43:        dup i - pick .
                     44:     loop
                     45:     drop ;
                     46: 
                     47: \ DUMP                       2may93jaw - 9may93jaw    06jul93py
                     48: \ looks very nice, I know
                     49: 
                     50: Variable /dump
                     51: 
                     52: : .4 ( addr -- addr' )
                     53:     3 FOR  -1 /dump +!  /dump @ 0<
1.9       anton      54:         IF  ."    "  ELSE  dup c@ 0 <<# # # #> type #>> space  THEN
1.1       anton      55:     char+ NEXT ;
                     56: : .chars ( addr -- )
                     57:     /dump @ bounds
                     58:     ?DO I c@ dup 7f bl within
                     59:        IF  drop [char] .  THEN  emit
                     60:     LOOP ;
                     61: 
                     62: : .line ( addr -- )
                     63:   dup .4 space .4 ." - " .4 space .4 drop  10 /dump +!  space .chars ;
                     64: 
1.7       crook      65: : dump  ( addr u -- ) \ tools dump
1.10      crook      66:     \G Display @var{u} lines of memory starting at address @var{addr}. Each line
1.7       crook      67:     \G displays the contents of 16 bytes. When Gforth is running under
                     68:     \G an operating system you may get @file{Invalid memory address} errors
                     69:     \G if you attempt to access arbitrary locations.
1.1       anton      70:     cr base @ >r hex        \ save base on return stack
                     71:     0 ?DO  I' I - 10 min /dump !
                     72:        dup 8 u.r ." : " dup .line cr  10 +
                     73:        10 +LOOP
                     74:     drop r> base ! ;
                     75: 
                     76: \ ?                                                     17may93jaw
                     77: 
1.7       crook      78: : ? ( a-addr -- ) \ tools question
1.10      crook      79:     \G Display the contents of address @var{a-addr} in the current number base.
1.7       crook      80:     @ . ;
1.1       anton      81: 
1.2       jwilke     82: \ words visible in roots                               14may93py
                     83: 
1.12      jwilke     84: include  ./../termsize.fs
1.2       jwilke     85: 
1.17      anton      86: : wordlist-words ( wid -- ) \ gforth
                     87:     \G Display the contents of the wordlist wid.
1.20      pazsan     88:     [ has? ec 0= [IF] ] wordlist-id [ [THEN] ]
                     89:     0 swap cr
1.2       jwilke     90:     BEGIN
                     91:        @ dup
                     92:     WHILE
1.3       pazsan     93:        2dup name>string nip 2 + dup >r +
1.2       jwilke     94:        cols >=
                     95:        IF
                     96:            cr nip 0 swap
                     97:        THEN
1.3       pazsan     98:        dup name>string type space r> rot + swap
1.2       jwilke     99:     REPEAT
                    100:     2drop ;
1.17      anton     101: 
                    102: : words
                    103:     \G ** this will not get annotated. See other defn in search.fs .. **
                    104:     \G It does not work to use "wordset-" prefix since this file is glossed
                    105:     \G by cross.fs which doesn't have the same functionalty as makedoc.fs
1.21      pazsan    106:     [ has? ec 0= [IF] ] context @ [ [ELSE] ] forth-wordlist [ [THEN] ]
                    107:     wordlist-words ;
1.2       jwilke    108: 
                    109: ' words alias vlist ( -- ) \ gforth
                    110: \g Old (pre-Forth-83) name for @code{WORDS}.