test/LEX/live.py

   1 #!/usr/bin/env python
   2 #
   3 # MIT License
   4 #
   5 # Copyright The SCons Foundation
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining
   8 # a copy of this software and associated documentation files (the
   9 # "Software"), to deal in the Software without restriction, including
  10 # without limitation the rights to use, copy, modify, merge, publish,
  11 # distribute, sublicense, and/or sell copies of the Software, and to
  12 # permit persons to whom the Software is furnished to do so, subject to
  13 # the following conditions:
  14 #
  15 # The above copyright notice and this permission notice shall be included
  16 # in all copies or substantial portions of the Software.
  17 #
  18 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  19 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  20 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  22 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25
  26 """
  27 Test LEX and LEXFLAGS with a live lex.
  28 """
  29
  30 import TestSCons
  31
  32 _exe = TestSCons._exe
  33 _python_ = TestSCons._python_
  34
  35 test = TestSCons.TestSCons()
  36
  37 lex = test.where_is('win_flex') or test.where_is('lex') or test.where_is('flex')
  38 if not lex:
  39     test.skip_test('No lex or flex found; skipping test.\n')
  40
  41 test.file_fixture('wrapper.py')
  42
  43 test.write('SConstruct', """
  44 DefaultEnvironment(tools=[])
  45 foo = Environment()
  46 lex = foo.Dictionary('LEX')
  47 bar = Environment(LEX=r'%(_python_)s wrapper.py ' + lex, LEXFLAGS='-b')
  48 foo.Program(target='foo', source='foo.l')
  49 bar.Program(target='bar', source='bar.l')
  50 """ % locals())
  51
  52 lex = r"""
  53 %%%%
  54 a       printf("A%sA");
  55 b       printf("B%sB");
  56 %%%%
  57 int
  58 yywrap()
  59 {
  60     return 1;
  61 }
  62
  63 int
  64 main()
  65 {
  66     yylex();
  67 }
  68 """
  69
  70 test.write('foo.l', lex % ('foo.l', 'foo.l'))
  71 test.write('bar.l', lex % ('bar.l', 'bar.l'))
  72
  73 test.run(arguments='foo' + _exe, stderr=None)
  74 test.must_not_exist(test.workpath('wrapper.out'))
  75 test.must_not_exist(test.workpath('lex.backup'))
  76
  77 test.run(program=test.workpath('foo'), stdin="a\n", stdout="Afoo.lA\n")
  78 test.run(arguments='bar' + _exe)
  79 test.must_match(test.workpath('wrapper.out'), "wrapper.py\n")
  80 test.must_exist(test.workpath('lex.backup'))
  81
  82 test.run(program=test.workpath('bar'), stdin="b\n", stdout="Bbar.lB\n")
  83
  84 test.pass_test()
  85
  86 # Local Variables:
  87 # tab-width:4
  88 # indent-tabs-mode:nil
  89 # End:
  90 # vim: set expandtab tabstop=4 shiftwidth=4: