139 lines
3.4 KiB
Factor
Executable File
139 lines
3.4 KiB
Factor
Executable File
! Copyright (C) 2005, 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors arrays generic hashtables io kernel assocs math
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namespaces prettyprint sequences strings io.styles vectors words
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quotations mirrors splitting math.parser classes vocabs refs
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sets sorting summary debugger continuations ;
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IN: inspector
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: value-editor ( path -- )
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[
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[ pprint-short ] presented-printer set
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dup presented-path set
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] H{ } make-assoc
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[ get-ref pprint-short ] with-nesting ;
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SYMBOL: +sequence+
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SYMBOL: +number-rows+
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SYMBOL: +editable+
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: write-slot-editor ( path -- )
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[
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+editable+ get [
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value-editor
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] [
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get-ref pprint-short
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] if
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] with-cell ;
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: write-key ( mirror key -- )
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+sequence+ get
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[ 2drop ] [ <key-ref> write-slot-editor ] if ;
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: write-value ( mirror key -- )
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<value-ref> write-slot-editor ;
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: describe-row ( mirror key n -- )
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[
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+number-rows+ get [ pprint-cell ] [ drop ] if
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[ write-key ] [ write-value ] 2bi
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] with-row ;
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: summary. ( obj -- ) [ summary ] keep write-object nl ;
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: sorted-keys ( assoc -- alist )
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dup hashtable? [
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keys
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[ [ unparse-short ] keep ] { } map>assoc
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sort-keys values
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] [ keys ] if ;
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: describe* ( obj mirror keys -- )
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rot summary.
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[
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drop
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] [
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dup enum? [ +sequence+ on ] when
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standard-table-style [
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swap [ -rot describe-row ] curry each-index
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] tabular-output
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] if-empty ;
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: describe ( obj -- )
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dup make-mirror dup sorted-keys describe* ;
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M: tuple error. describe ;
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: namestack. ( seq -- )
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[ [ global eq? not ] filter [ keys ] gather ] keep
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[ dupd assoc-stack ] curry H{ } map>assoc describe ;
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: .vars ( -- )
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namestack namestack. ;
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: :vars ( -- )
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error-continuation get name>> namestack. ;
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SYMBOL: inspector-hook
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[ t +number-rows+ [ describe* ] with-variable ] inspector-hook set-global
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SYMBOL: inspector-stack
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SYMBOL: me
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: reinspect ( obj -- )
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[ me set ]
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[
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dup make-mirror dup mirror set dup sorted-keys dup \ keys set
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inspector-hook get call
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] bi ;
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: (inspect) ( obj -- )
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[ inspector-stack get push ] [ reinspect ] bi ;
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: key@ ( n -- key ) \ keys get nth ;
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: &push ( -- obj ) me get ;
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: &at ( n -- ) key@ mirror get at (inspect) ;
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: &back ( -- )
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inspector-stack get
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dup length 1 <= [ drop ] [ dup pop* peek reinspect ] if ;
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: &add ( value key -- ) mirror get set-at &push reinspect ;
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: &put ( value n -- ) key@ &add ;
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: &delete ( n -- ) key@ mirror get delete-at &push reinspect ;
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: &rename ( key n -- ) key@ mirror get rename-at &push reinspect ;
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: &help ( -- )
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#! A tribute to Slate:
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"You are in a twisty little maze of objects, all alike." print
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nl
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"'n' is a slot number in the following:" print
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nl
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"&back -- return to previous object" print
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"&push ( -- obj ) push this object" print
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"&at ( n -- ) inspect nth slot" print
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"&put ( value n -- ) change nth slot" print
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"&add ( value key -- ) add new slot" print
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"&delete ( n -- ) remove a slot" print
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"&rename ( key n -- ) change a slot's key" print
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"&globals ( -- ) inspect global namespace" print
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"&help -- display this message" print
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nl ;
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: inspector ( obj -- )
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&help
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V{ } clone inspector-stack set
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(inspect) ;
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: inspect ( obj -- )
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inspector-stack get [ (inspect) ] [ inspector ] if ;
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: &globals ( -- ) global inspect ;
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