EmbeddedPkg: Extend NvVarStoreFormattedLib LIBRARY_CLASS

[mirror_edk2.git] / AppPkg / Applications / Python / Python-2.7.2 / Tools / bgen / bgen / bgenStackBuffer.py

"""Buffers allocated on the stack."""\r
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from bgenBuffer import FixedInputBufferType, FixedOutputBufferType\r
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class StackOutputBufferType(FixedOutputBufferType):\r
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    """Fixed output buffer allocated on the stack -- passed as (buffer, size).\r
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    Instantiate with the buffer size as parameter.\r
    """\r
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    def passOutput(self, name):\r
        return "%s__out__, %s" % (name, self.size)\r
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class VarStackOutputBufferType(StackOutputBufferType):\r
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    """Output buffer allocated on the stack -- passed as (buffer, &size).\r
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    Instantiate with the buffer size as parameter.\r
    """\r
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    def getSizeDeclarations(self, name):\r
        return []\r
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    def getAuxDeclarations(self, name):\r
        return ["int %s__len__ = %s" % (name, self.size)]\r
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    def passOutput(self, name):\r
        return "%s__out__, &%s__len__" % (name, name)\r
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    def mkvalueArgs(self, name):\r
        return "%s__out__, (int)%s__len__" % (name, name)\r
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class VarVarStackOutputBufferType(VarStackOutputBufferType):\r
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    """Output buffer allocated on the stack -- passed as (buffer, size, &size).\r
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    Instantiate with the buffer size as parameter.\r
    """\r
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    def passOutput(self, name):\r
        return "%s__out__, %s__len__, &%s__len__" % (name, name, name)\r
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class ReturnVarStackOutputBufferType(VarStackOutputBufferType):\r
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    """Output buffer allocated on the stack -- passed as (buffer, size) -> size.\r
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    Instantiate with the buffer size as parameter.\r
    The function's return value is the size.\r
    (XXX Should have a way to suppress returning it separately, too.)\r
    """\r
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    def passOutput(self, name):\r
        return "%s__out__, %s__len__" % (name, name)\r
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    def mkvalueArgs(self, name):\r
        return "%s__out__, (int)_rv" % name\r