examples/parsecfgex.nim


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#
#
#           The Nimrod Compiler
#        (c) Copyright 2012 Andreas Rumpf
#
#    See the file "copying.txt", included in this
#    distribution, for details about the copyright.
#

# Implements a table from trees to trees. Does structural equivalence checking.

import 
  hashes, ast, astalgo, types

proc hashTree(n: PNode): THash = 
  if n == nil: return 
  result = ord(n.kind)
  case n.kind
  of nkEmpty, nkNilLit, nkType: 
    nil
  of nkIdent: 
    resu