31 lines
788 B
Factor
31 lines
788 B
Factor
! Copyright (C) 2005, 2006 Eduardo Cavazos
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! Thanks to Mackenzie Straight for the idea
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USING: kernel parser words namespaces sequences ;
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IN: vars
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: define-var-symbol ( str -- ) create-in define-symbol ;
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: define-var-getter ( str -- )
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dup ">" append create-in swap in get lookup [ get ] curry define-compound ;
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: define-var-setter ( str -- )
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">" over append create-in swap in get lookup [ set ] curry define-compound ;
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: define-var ( str -- )
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dup define-var-symbol dup define-var-getter define-var-setter ;
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: VAR: ! var
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scan define-var ; parsing
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: define-vars ( seq -- ) [ define-var ] each ;
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: VARS: ! vars ...
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string-mode on [ string-mode off define-vars ] f ; parsing
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: let ( vars body -- result )
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[ >r <reversed> [ set ] each r> call ] with-scope ;
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PROVIDE: libs/vars ; |