-- Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
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-- Copyright (C) 2007-2011, Gabriel Dos Reis.
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import sys_-macros
namespace BOOT

rePackageTran(sex, package) ==
  SETQ(_*PACKAGE_*,FIND_-PACKAGE STRING package)
  packageTran sex

packageTran sex ==
-- destructively translate all the symbols in the given s-expression to the 
-- current package
  symbol? sex =>
    sameObject?(_*PACKAGE_*, SYMBOL_-PACKAGE sex) => sex
    makeSymbol symbolName sex
  cons? sex =>
    sex.first := packageTran first sex
    sex.rest := packageTran rest sex
    sex
  sex

zeroOneTran sex ==
-- destructively translate the symbols |0| and |1| to their 
-- integer counterparts
  substitute!("$EmptyMode", "?", sex)
  sex