96 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Factor
		
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Factor
		
	
	
! Copyright (C) 2009, 2010 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: assocs combinators compiler.units fry grouping kernel
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namespaces sequences sets stack-checker.dependencies words ;
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IN: compiler.crossref
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SYMBOL: compiled-crossref
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compiled-crossref [ H{ } clone ] initialize
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SYMBOL: generic-call-site-crossref
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generic-call-site-crossref [ H{ } clone ] initialize
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: all-dependencies-of ( word -- assoc )
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    compiled-crossref get at ;
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: dependencies-of ( word dep-type -- assoc )
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    [ all-dependencies-of ] dip '[ nip _ dependency>= ] assoc-filter ;
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: outdated-definition-usages ( set -- assocs )
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    filter-word-defs [ +definition+ dependencies-of ] map ;
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: outdated-effect-usages ( set -- assocs )
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    filter-word-defs [ all-dependencies-of ] map ;
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: dependencies-satisfied? ( word cache -- ? )
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    [ "dependency-checks" word-prop ] dip
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    '[ _ [ satisfied? ] cache ] all? ;
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: outdated-conditional-usages ( set -- assocs )
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    members H{ } clone '[
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        +conditional+ dependencies-of
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        [ drop _ dependencies-satisfied? ] assoc-reject
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    ] map ;
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: generic-call-sites-of ( word -- assoc )
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    generic-call-site-crossref get at ;
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: only-xref ( assoc -- assoc' )
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    [ drop crossref? ] { } assoc-filter-as ;
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: set-generic-call-sites ( word alist -- )
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    concat f like "generic-call-sites" set-word-prop ;
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: store-dependencies-of-type ( word assoc symbol prop-name -- )
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    [ rot '[ nip _ = ] assoc-filter keys ] dip set-word-prop ;
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: store-dependencies ( word assoc -- )
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    keys "dependencies" set-word-prop ;
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: add-xref ( word dependencies crossref -- )
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    rot '[
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        swap _ [ drop H{ } clone ] cache _ swap set-at
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    ] assoc-each ;
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: remove-xref ( word dependencies crossref -- )
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    '[ _ at delete-at ] with each ;
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: (compiled-xref) ( word dependencies generic-dependencies -- )
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    compiled-crossref generic-call-site-crossref
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    [ get add-xref ] bi-curry@ bi-curry* bi ;
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: compiled-xref ( word dependencies generic-dependencies -- )
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    [ only-xref ] bi@
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    [ nip set-generic-call-sites ]
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    [ drop store-dependencies ]
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    [ (compiled-xref) ]
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    3tri ;
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: load-dependencies ( word -- seq )
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    "dependencies" word-prop ;
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: (compiled-unxref) ( word dependencies variable -- )
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    get remove-xref ;
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: generic-call-sites ( word -- alist )
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    "generic-call-sites" word-prop 2 group ;
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: compiled-unxref ( word -- )
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    {
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        [ dup load-dependencies compiled-crossref (compiled-unxref) ]
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        [ dup generic-call-sites generic-call-site-crossref (compiled-unxref) ]
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        [ "dependencies" remove-word-prop ]
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        [ "generic-call-sites" remove-word-prop ]
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    } cleave ;
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: delete-compiled-xref ( word -- )
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    [ compiled-unxref ]
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    [ compiled-crossref get delete-at ]
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    [ generic-call-site-crossref get delete-at ]
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    tri ;
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: set-dependency-checks ( word deps -- )
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    members f like "dependency-checks" set-word-prop ;
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