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from __future__ import absolute_import, print_function
class base_converter(object):
"""
Properties:
headers -- list of strings that name the header files needed by this
object.
include_dirs -- list of directories where the header files can be found.
libraries -- list of libraries needed to link to when compiling
extension.
library_dirs -- list of directories to search for libraries.
support_code -- list of strings. Each string is a subroutine needed
by the type. Functions that are used in the conversion
between Python and C++ files are examples of these.
Methods:
type_match(value) returns 1 if this class is used to represent type
specification for value.
type_spec(name, value) returns a new object (of this class) that is
used to produce C++ code for value.
declaration_code() returns C++ code fragment for type declaration and
conversion of python object to C++ object.
cleanup_code() returns C++ code fragment for cleaning up after the
variable after main C++ code fragment has executed.
"""
_build_information = []
compiler = ''
def set_compiler(self,compiler):
self.compiler = compiler
def type_match(self,value):
raise NotImplementedError("You must override method in derived class")
def build_information(self):
return self._build_information
def type_spec(self,name,value):
pass
def declaration_code(self,templatize=0):
return ""
def local_dict_code(self):
return ""
def cleanup_code(self):
return ""
def retrieve_py_variable(self,inline=0):
# this needs a little coordination in name choices with the
# ext_inline_function class.
if inline:
vn = 'get_variable("%s",raw_locals,raw_globals)' % self.name
else:
vn = 'py_' + self.name
return vn
def py_reference(self):
return "&py_" + self.name
def py_pointer(self):
return "*py_" + self.name
def py_variable(self):
return "py_" + self.name
def reference(self):
return "&" + self.name
def pointer(self):
return "*" + self.name
def init_flag(self):
return self.name + "_used"
def variable(self):
return self.name
def variable_as_string(self):
return '"' + self.name + '"'
import UserList
from . import base_info
class arg_spec_list(UserList.UserList):
def build_information(self):
all_info = base_info.info_list()
for i in self:
all_info.extend(i.build_information())
return all_info
def py_references(self):
return map(lambda x: x.py_reference(),self)
def py_pointers(self):
return map(lambda x: x.py_pointer(),self)
def py_variables(self):
return map(lambda x: x.py_variable(),self)
def references(self):
return map(lambda x: x.py_reference(),self)
def pointers(self):
return map(lambda x: x.pointer(),self)
def variables(self):
return map(lambda x: x.variable(),self)
def init_flags(self):
return map(lambda x: x.init_flag(),self)
def variable_as_strings(self):
return map(lambda x: x.variable_as_string(),self)
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