Gustavo J. A. M. Carneiro
82 lines
2.5 KiB
Python
82 lines
2.5 KiB
Python
import pybindgen.typehandlers.base as typehandlers
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from pybindgen.typehandlers import stringtype, ctypeparser
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import pybindgen.typehandlers.codesink as codesink
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from pybindgen import module, cppclass, overloading, utils
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import unittest
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import doctest
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import re
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class SmartPointerTransformation(typehandlers.TypeTransformation):
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def __init__(self):
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self.rx = re.compile(r'(?:::)?MySmartPointer<\s*(\w+)\s*>')
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def get_untransformed_name(self, name):
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m = self.rx.match(name)
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if m is None:
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return None
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else:
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return m.group(1)+' *'
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def create_type_handler(self, type_handler, *args, **kwargs):
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ctype = self.get_untransformed_name(args[0])
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handler = type_handler(ctype, *args[1:], **kwargs)
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handler.has_been_transformed = True
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return handler
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typehandlers.param_type_matcher.register_transformation(
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SmartPointerTransformation())
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class TestParam(typehandlers.Parameter):
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DIRECTIONS = [typehandlers.Parameter.DIRECTION_IN]
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CTYPES = ['testtype*']
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has_been_transformed = False
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def convert_c_to_python(self, wrapper):
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assert isinstance(wrapper, typehandlers.ReverseWrapperBase)
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wrapper.build_params.add_parameter('i', [self.name])
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def convert_python_to_c(self, wrapper):
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assert isinstance(wrapper, typehandlers.ForwardWrapperBase)
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name = wrapper.declarations.declare_variable(self.ctype, self.name)
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wrapper.parse_params.add_parameter('i', ['&'+name], self.name)
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wrapper.call_params.append(name)
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class ParamLookupTests(unittest.TestCase):
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def testLookup(self):
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handler = typehandlers.Parameter.new('testtype*', 'name')
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self.assert_(isinstance(handler, TestParam))
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self.assertRaises(typehandlers.TypeLookupError, typehandlers.Parameter.new, 'non_existent_type', 'name')
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def testLookupTransformed(self):
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transformed = typehandlers.Parameter.new('MySmartPointer<testtype>', 'name')
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self.assert_(isinstance(transformed, TestParam))
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self.assert_(transformed.has_been_transformed)
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if __name__ == '__main__':
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suite = unittest.TestSuite()
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for mod in [
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typehandlers,
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codesink,
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module,
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cppclass,
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overloading,
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#utils,
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stringtype,
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ctypeparser,
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]:
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suite.addTest(doctest.DocTestSuite(mod))
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suite.addTest(unittest.TestLoader().loadTestsFromTestCase(ParamLookupTests))
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runner = unittest.TextTestRunner()
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runner.run(suite)
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