59 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Factor
		
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Factor
		
	
	
| ! Copyright (C) 2008 Slava Pestov.
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| ! See http://factorcode.org/license.txt for BSD license.
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| USING: fry accessors quotations kernel sequences namespaces
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| assocs words arrays vectors hints combinators compiler.tree
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| stack-checker
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| stack-checker.state
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| stack-checker.errors
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| stack-checker.visitor
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| stack-checker.backend
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| stack-checker.recursive-state ;
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| IN: compiler.tree.builder
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| 
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| : with-tree-builder ( quot -- nodes )
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|     '[ V{ } clone stack-visitor set @ ]
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|     with-infer ; inline
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| 
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| : build-tree ( quot -- nodes )
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|     #! Not safe to call from inference transforms.
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|     [ f initial-recursive-state infer-quot ] with-tree-builder nip ;
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| 
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| : build-tree-with ( in-stack quot -- nodes out-stack )
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|     #! Not safe to call from inference transforms.
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|     [
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|         [ >vector \ meta-d set ]
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|         [ f initial-recursive-state infer-quot ] bi*
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|     ] with-tree-builder nip
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|     unclip-last in-d>> ;
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| 
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| : build-sub-tree ( #call quot -- nodes )
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|     [ [ out-d>> ] [ in-d>> ] bi ] dip build-tree-with
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|     over ends-with-terminate?
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|     [ drop swap [ f swap #push ] map append ]
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|     [ rot #copy suffix ]
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|     if ;
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| 
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| : (build-tree-from-word) ( word -- )
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|     dup initial-recursive-state recursive-state set
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|     dup [ "inline" word-prop ] [ "recursive" word-prop ] bi and
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|     [ 1quotation ] [ specialized-def ] if
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|     infer-quot-here ;
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| 
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| : check-cannot-infer ( word -- )
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|     dup "cannot-infer" word-prop [ cannot-infer-effect ] [ drop ] if ;
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| 
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| : check-no-compile ( word -- )
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|     dup "no-compile" word-prop [ cannot-infer-effect ] [ drop ] if ;
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| 
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| : build-tree-from-word ( word -- effect nodes )
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|     [
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|         [
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|             {
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|                 [ check-cannot-infer ]
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|                 [ check-no-compile ]
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|                 [ (build-tree-from-word) ]
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|                 [ finish-word ]
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|             } cleave
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|         ] maybe-cannot-infer
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|     ] with-tree-builder ;
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