basis/compiler/cfg/linear-scan/debugger/debugger.factor

   1 ! Copyright (C) 2008 Slava Pestov.
   2 ! See http://factorcode.org/license.txt for BSD license.
   3 USING: accessors kernel sequences sets arrays
   4 compiler.cfg.linear-scan.live-intervals
   5 compiler.cfg.linear-scan.allocation ;
   6 IN: compiler.cfg.linear-scan.debugger
   7
   8 : check-assigned ( live-intervals -- )
   9     [
  10         reg>>
  11         [ "Not all intervals have registers" throw ] unless
  12     ] each ;
  13
  14 : split-children ( live-interval -- seq )
  15     dup split-before>> [
  16         [ split-before>> ] [ split-after>> ] bi
  17         [ split-children ] bi@
  18         append
  19     ] [ 1array ] if ;
  20
  21 : check-linear-scan ( live-intervals machine-registers -- )
  22     [ [ clone ] map ] dip allocate-registers
  23     [ split-children ] map concat check-assigned ;