29 lines
633 B
Factor
29 lines
633 B
Factor
! Copyright (C) 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel accessors namespaces assocs sequences sets fry ;
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IN: compiler.cfg
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TUPLE: cfg entry word label ;
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C: <cfg> cfg
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! - "number" and "visited" is used by linearization.
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TUPLE: basic-block < identity-tuple
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visited
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number
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instructions
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successors ;
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: <basic-block> ( -- basic-block )
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basic-block new
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V{ } clone >>instructions
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V{ } clone >>successors ;
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TUPLE: mr instructions word label ;
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: <mr> ( instructions word label -- mr )
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mr new
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swap >>label
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swap >>word
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swap >>instructions ;
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