old_contents: #!/usr/bin/env python
  #
  # __COPYRIGHT__
  #
  # Permission is hereby granted, free of charge, to any person obtaining
  # a copy of this software and associated documentation files (the
  # "Software"), to deal in the Software without restriction, including
  # without limitation the rights to use, copy, modify, merge, publish,
  # distribute, sublicense, and/or sell copies of the Software, and to
  # permit persons to whom the Software is furnished to do so, subject to
  # the following conditions:
  #
  # The above copyright notice and this permission notice shall be included
  # in all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  #
  
  __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  
  """
  Test LEX and LEXFLAGS with a live lex.
  """
  
  import TestSCons
  
  _exe = TestSCons._exe
  _python_ = TestSCons._python_
  
  test = TestSCons.TestSCons()
  
  lex = test.where_is('lex') or test.where_is('flex')
  
  if not lex:
      test.skip_test('No lex or flex found; skipping test.\n')
  
  
  
  test.write("wrapper.py", """import os
  import sys
  open('%s', 'wb').write("wrapper.py\\n")
  os.system(" ".join(sys.argv[1:]))
  """ % test.workpath('wrapper.out').replace('\\', '\\\\'))
  
  test.write('SConstruct', """
  foo = Environment()
  lex = foo.Dictionary('LEX')
  bar = Environment(LEX = r'%(_python_)s wrapper.py ' + lex,
                    LEXFLAGS = '-b')
  foo.Program(target = 'foo', source = 'foo.l')
  bar.Program(target = 'bar', source = 'bar.l')
  """ % locals())
  
  lex = r"""
  %%%%
  a       printf("A%sA");
  b       printf("B%sB");
  %%%%
  int
  yywrap()
  {
      return 1;
  }
  
  main()
  {
      yylex();
  }
  """
  
  test.write('foo.l', lex % ('foo.l', 'foo.l'))
  
  test.write('bar.l', lex % ('bar.l', 'bar.l'))
  
  test.run(arguments = 'foo' + _exe, stderr = None)
  
  test.must_not_exist(test.workpath('wrapper.out'))
  test.must_not_exist(test.workpath('lex.backup'))
  
  test.run(program = test.workpath('foo'), stdin = "a\n", stdout = "Afoo.lA\n")
  
  
  
  
  test.run(arguments = 'bar' + _exe)
  
  test.must_match(test.workpath('wrapper.out'), "wrapper.py\n")
  test.must_exist(test.workpath('lex.backup'))
  
  test.run(program = test.workpath('bar'), stdin = "b\n", stdout = "Bbar.lB\n")
  
  
  
  test.pass_test()
  
  # Local Variables:
  # tab-width:4
  # indent-tabs-mode:nil
  # End:
  # vim: set expandtab tabstop=4 shiftwidth=4:
  
new_contents: #!/usr/bin/env python
  #
  # __COPYRIGHT__
  #
  # Permission is hereby granted, free of charge, to any person obtaining
  # a copy of this software and associated documentation files (the
  # "Software"), to deal in the Software without restriction, including
  # without limitation the rights to use, copy, modify, merge, publish,
  # distribute, sublicense, and/or sell copies of the Software, and to
  # permit persons to whom the Software is furnished to do so, subject to
  # the following conditions:
  #
  # The above copyright notice and this permission notice shall be included
  # in all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  #
  
  __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  
  """
  Test LEX and LEXFLAGS with a live lex.
  """
  
  import TestSCons
  
  _exe = TestSCons._exe
  _python_ = TestSCons._python_
  
  test = TestSCons.TestSCons()
  
  lex = test.where_is('lex') or test.where_is('flex')
  
  if not lex:
      test.skip_test('No lex or flex found; skipping test.\n')
  
  
  
  test.write("wrapper.py", """import os
  import sys
  open('%s', 'wb').write("wrapper.py\\n")
  os.system(" ".join(sys.argv[1:]))
  """ % test.workpath('wrapper.out').replace('\\', '\\\\'))
  
  test.write('SConstruct', """
  foo = Environment()
  lex = foo.Dictionary('LEX')
  bar = Environment(LEX = r'%(_python_)s wrapper.py ' + lex,
                    LEXFLAGS = '-b')
  foo.Program(target = 'foo', source = 'foo.l')
  bar.Program(target = 'bar', source = 'bar.l')
  """ % locals())
  
  lex = r"""
  %%%%
  a       printf("A%sA");
  b       printf("B%sB");
  %%%%
  int
  yywrap()
  {
      return 1;
  }
  
  int
  main()
  {
      yylex();
  }
  """
  
  test.write('foo.l', lex % ('foo.l', 'foo.l'))
  
  test.write('bar.l', lex % ('bar.l', 'bar.l'))
  
  test.run(arguments = 'foo' + _exe, stderr = None)
  
  test.must_not_exist(test.workpath('wrapper.out'))
  test.must_not_exist(test.workpath('lex.backup'))
  
  test.run(program = test.workpath('foo'), stdin = "a\n", stdout = "Afoo.lA\n")
  
  
  
  
  test.run(arguments = 'bar' + _exe)
  
  test.must_match(test.workpath('wrapper.out'), "wrapper.py\n")
  test.must_exist(test.workpath('lex.backup'))
  
  test.run(program = test.workpath('bar'), stdin = "b\n", stdout = "Bbar.lB\n")
  
  
  
  test.pass_test()
  
  # Local Variables:
  # tab-width:4
  # indent-tabs-mode:nil
  # End:
  # vim: set expandtab tabstop=4 shiftwidth=4:
  
subject: Fix failing LEX/live.py because no return type was specified for main and apple compiler/flex complains about it in stderr