27 lines
631 B
Factor
27 lines
631 B
Factor
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! Copyright (C) 2008 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors hashtables kernel math state-tables vars vectors ;
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IN: regexp.backend
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TUPLE: regexp
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raw
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{ stack vector }
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parse-tree
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{ options hashtable }
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nfa-table
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dfa-table
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minimized-table
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{ nfa-traversal-flags hashtable }
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{ dfa-traversal-flags hashtable }
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{ state integer }
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{ new-states vector }
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{ visited-states hashtable } ;
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: reset-regexp ( regexp -- regexp )
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0 >>state
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V{ } clone >>stack
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V{ } clone >>new-states
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H{ } clone >>visited-states ;
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SYMBOL: current-regexp
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