factor/library/inspector.factor

113 lines
3.1 KiB
Factor

! :folding=indent:collapseFolds=1:
! $Id$
!
! Copyright (C) 2003, 2004 Slava Pestov.
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions are met:
!
! 1. Redistributions of source code must retain the above copyright notice,
! this list of conditions and the following disclaimer.
!
! 2. Redistributions in binary form must reproduce the above copyright notice,
! this list of conditions and the following disclaimer in the documentation
! and/or other materials provided with the distribution.
!
! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
IN: inspector
USE: combinators
USE: format
USE: kernel
USE: hashtables
USE: lists
USE: namespaces
USE: stack
USE: stdio
USE: strings
USE: styles
USE: words
USE: prettyprint
USE: unparser
USE: vectors
: relative>absolute-object-path ( string -- string )
"object-path" get [ "'" rot cat3 ] when* ;
: vars. ( -- )
#! Print a list of defined variables.
vars [ print ] each ;
: link-style ( path -- style )
relative>absolute-object-path
"object-link" default-style acons ;
: var. ( [ name | value ] -- )
uncons unparse swap link-style write-attr ;
: var-name. ( max name -- )
tuck pad-string write dup link-style write-attr ;
: value. ( max name value -- )
>r var-name. ": " write r> . ;
: ?unparse ( obj -- str )
dup string? [ unparse ] unless ;
: alist-keys>str ( alist -- alist )
#! Unparse non-string keys.
[ unswons ?unparse swons ] map ;
: name-padding ( alist -- col )
[ car ] map max-str-length ;
: (describe-assoc) ( alist -- )
dup name-padding swap
[ dupd uncons value. ] each drop ;
: describe-assoc ( alist -- )
alist-keys>str (describe-assoc) ;
: describe-namespace ( namespace -- )
[ vars-values ] bind describe-assoc ;
: describe-hashtable ( hashtables -- )
hash>alist describe-assoc ;
: describe ( obj -- )
[
[ word? ]
[ see ]
[ string? ]
[ print ]
[ assoc? ]
[ describe-assoc ]
[ has-namespace? ]
[ describe-namespace ]
[ hashtable? ]
[ describe-hashtable ]
[ drop t ]
[ prettyprint ]
] cond ;
: lookup ( str -- object )
global [ "'" split object-path ] bind ;
: describe-path ( string -- )
[ dup "object-path" set lookup describe ] with-scope ;