test/Scanner/exception.py

   1 #!/usr/bin/env python
   2 #
   3 # __COPYRIGHT__
   4 #
   5 # Permission is hereby granted, free of charge, to any person obtaining
   6 # a copy of this software and associated documentation files (the
   7 # "Software"), to deal in the Software without restriction, including
   8 # without limitation the rights to use, copy, modify, merge, publish,
   9 # distribute, sublicense, and/or sell copies of the Software, and to
  10 # permit persons to whom the Software is furnished to do so, subject to
  11 # the following conditions:
  12 #
  13 # The above copyright notice and this permission notice shall be included
  14 # in all copies or substantial portions of the Software.
  15 #
  16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  17 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  18 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 #
  24
  25 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
  26
  27 import TestSCons
  28
  29 python = TestSCons.python
  30
  31 test = TestSCons.TestSCons()
  32
  33 # Execute a subsidiary SConscript just to make sure we can
  34 # get at the SCanners keyword from there.
  35
  36 test.write('SConstruct', """
  37 SConscript('SConscript')
  38 """)
  39
  40 test.write('SConscript', r"""
  41 import re
  42
  43 include_re = re.compile(r'^include\s+(\S+)$', re.M)
  44 exception_re = re.compile(r'^exception\s+(.+)$', re.M)
  45
  46 def kfile_scan(node, env, target, arg):
  47     contents = node.get_text_contents()
  48     exceptions = exception_re.findall(contents)
  49     if exceptions:
  50         raise Exception("kfile_scan error:  %s" % exceptions[0])
  51     includes = include_re.findall(contents)
  52     return includes
  53
  54 kscan = Scanner(name = 'kfile',
  55                 function = kfile_scan,
  56                 argument = None,
  57                 recursive = 1,
  58                 skeys = ['.k'])
  59
  60 def process(outf, inf):
  61     for line in inf.readlines():
  62         if line[:8] == 'include ':
  63             file = line[8:-1]
  64             with open(file, 'rb') as ifp:
  65                 process(outf, ifp)
  66         else:
  67             outf.write(line)
  68
  69 def cat(env, source, target):
  70     target = str(target[0])
  71     with open(target, 'wb') as outf:
  72         for src in source:
  73             with open(str(src), 'rb') as inf:
  74                 process(outf, inf)
  75
  76 env = Environment(BUILDERS={'Cat':Builder(action=cat)})
  77 env.Append(SCANNERS = [kscan])
  78
  79 env.Cat('foo', 'foo.k')
  80
  81 bar_in = File('bar.in')
  82 env.Cat('bar', bar_in)
  83 """)
  84
  85 test.write('foo.k',
  86 """foo.k 1 line 1
  87 include xxx
  88 include yyy
  89 foo.k 1 line 4
  90 """)
  91
  92 test.write('bar.in',
  93 """include yyy
  94 bar.in 1 line 2
  95 bar.in 1 line 3
  96 include zzz
  97 """)
  98
  99 test.write('xxx', "xxx 1\n")
 100
 101 test.write('yyy', "exception yyy 1\n")
 102
 103 test.write('zzz', "zzz 1\n")
 104
 105 test.run(arguments = '.',
 106          status = 2,
 107          stderr = """\
 108 scons: *** [foo] Exception : kfile_scan error:  yyy 1
 109 """)
 110
 111 test.pass_test()
 112
 113 # Local Variables:
 114 # tab-width:4
 115 # indent-tabs-mode:nil
 116 # End:
 117 # vim: set expandtab tabstop=4 shiftwidth=4: