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75 lines
2.0 KiB
Python
75 lines
2.0 KiB
Python
import os.path
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#==============================================================================
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# Exporter
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#==============================================================================
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class Exporter:
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'Base class for objects capable to generate boost.python code.'
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INDENT = ' ' * 4
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def __init__(self, info, parser_tail=None, parser_decl=None):
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self.info = info
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self.parser_tail = parser_tail
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self.parser_decl = parser_decl
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def Name(self):
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return self.info.name
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def Parse(self, parser):
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self.parser = parser
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header = self.info.include
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tail = self.parser_tail
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decl = self.parser_decl
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declarations, parser_header = parser.parse(header, tail, decl)
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self.parser_header = parser_header
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self.SetDeclarations(declarations)
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def SetDeclarations(self, declarations):
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self.declarations = declarations
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def GenerateCode(self, codeunit, exported_names):
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self.WriteInclude(codeunit)
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self.Export(codeunit, exported_names)
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def WriteInclude(self, codeunit):
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codeunit.Write('include', '#include <%s>\n' % self.info.include)
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def Export(self, codeunit, exported_names):
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'subclasses must override this to do the real work'
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pass
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def Unit(self):
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raise NotImplementedError
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def GetDeclarations(self, fullname):
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decls = [x for x in self.declarations if x.FullName() == fullname]
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if not decls:
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raise RuntimeError, 'no %s declaration found!' % fullname
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return decls
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def GetDeclaration(self, fullname):
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decls = self.GetDeclarations(fullname)
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assert len(decls) == 1
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return decls[0]
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def Order(self):
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'''Returns a string that uniquely identifies this instance. All
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exporters will be sorted by Order before being exported.
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'''
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raise NotImplementedError
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def Unit(self):
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return self.info.include
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