factor/basis/inspector/inspector.factor

129 lines
3.1 KiB
Factor

! Copyright (C) 2005, 2010 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays generic hashtables io kernel assocs math
namespaces prettyprint prettyprint.custom prettyprint.sections
sequences strings io.styles vectors words quotations mirrors
splitting math.parser classes vocabs sets sorting summary
debugger continuations fry combinators ;
FROM: namespaces => set ;
IN: inspector
SYMBOL: +number-rows+
: print-summary ( obj -- ) [ summary ] keep write-object ;
<PRIVATE
: sort-unparsed-keys ( assoc -- alist )
>alist dup keys
[ unparse-short ] map
zip sort-values keys ;
GENERIC: add-numbers ( alist -- table' )
M: enum add-numbers ;
M: assoc add-numbers
+number-rows+ get [ [ prefix ] map-index ] when ;
TUPLE: slot-name name ;
M: slot-name pprint* name>> text ;
GENERIC: fix-slot-names ( assoc -- assoc )
M: assoc fix-slot-names >alist ;
M: mirror fix-slot-names
[ [ slot-name boa ] dip ] { } assoc-map-as ;
: (describe) ( obj assoc -- keys )
t pprint-string-cells? [
[ print-summary nl ] [
dup hashtable? [ sort-unparsed-keys ] when
[ fix-slot-names add-numbers simple-table. ] [ keys ] bi
] bi*
] with-variable ;
PRIVATE>
: describe ( obj -- ) dup make-mirror (describe) drop ;
M: tuple error. describe ;
: vars-in-scope ( seq -- alist )
[ [ global eq? not ] filter [ keys ] gather ] keep
'[ dup _ assoc-stack ] H{ } map>assoc ;
: .vars ( -- )
namestack vars-in-scope describe ;
: :vars ( -- )
error-continuation get name>> vars-in-scope describe ;
SYMBOL: me
<PRIVATE
SYMBOL: inspector-stack
SYMBOL: sorted-keys
: reinspect ( obj -- )
[ me set ]
[
dup make-mirror dup mirror set
t +number-rows+ [ (describe) ] with-variable
sorted-keys set
] bi ;
: (inspect) ( obj -- )
[ inspector-stack get push ] [ reinspect ] bi ;
PRIVATE>
: key@ ( n -- key ) sorted-keys get nth ;
: &push ( -- obj ) me get ;
: &at ( n -- ) key@ mirror get at (inspect) ;
: &back ( -- )
inspector-stack get
dup length 1 <= [ drop ] [ [ pop* ] [ last reinspect ] bi ] if ;
: &add ( value key -- ) mirror get set-at &push reinspect ;
: &put ( value n -- ) key@ &add ;
: &delete ( n -- ) key@ mirror get delete-at &push reinspect ;
: &rename ( key n -- ) key@ mirror get rename-at &push reinspect ;
: &help ( -- )
#! A tribute to Slate:
"You are in a twisty little maze of objects, all alike." print
nl
"'n' is a slot number in the following:" print
nl
"&back -- return to previous object" print
"&push ( -- obj ) push this object" print
"&at ( n -- ) inspect nth slot" print
"&put ( value n -- ) change nth slot" print
"&add ( value key -- ) add new slot" print
"&delete ( n -- ) remove a slot" print
"&rename ( key n -- ) change a slot's key" print
"&globals ( -- ) inspect global namespace" print
"&help -- display this message" print
nl ;
: inspector ( obj -- )
&help
V{ } clone inspector-stack set
(inspect) ;
: inspect ( obj -- )
inspector-stack get [ (inspect) ] [ inspector ] if ;
: &globals ( -- ) global inspect ;