POULibrary.py
author Edouard Tisserant
Wed, 24 Oct 2012 11:19:11 +0200
changeset 867 06495975e8a4
parent 772 98786137232d
child 1511 91538d0c242c
permissions -rw-r--r--
Added caching for python eval (avoid compiling when same code called, but still execute). Cleaned up some evaluator related code.
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from weakref import ref
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class POULibrary:
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    def __init__(self, CTR, LibName, TypeStack):
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        from PLCControler import PLCControler
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        self.CTR = ref(CTR)
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        self.LibName = LibName
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        self.LibraryControler = PLCControler()
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        self.LibraryControler.OpenXMLFile(self.GetLibraryPath())
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        self.LibraryControler.ClearConfNodeTypes()
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        self.LibraryControler.AddConfNodeTypesList(TypeStack)
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        self.program = None;
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    def GetSTCode(self):
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        if not self.program:
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            self.program = self.LibraryControler.GenerateProgram()[0]+"\n"
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        return self.program 
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    def GetName(self):
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        return self.LibName
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    def GetCTR(self):
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        return self.CTR()
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    def GetTypes(self):
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        return {"name" : self.GetName(), "types": self.LibraryControler.Project}
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    def GetLibraryPath(self):
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        raise Exception("Not implemented")
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    def Generate_C(self, buildpath, varlist, IECCFLAGS):
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        # Pure python or IEC libs doesn't produce C code
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        return ((""), [], False), ""