mirror of https://gitee.com/openkylin/qemu.git
trace: Extend API to manage event arguments
Lets the user manage event arguments as a list, and simplifies argument concatenation. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 145641858432.30295.3069911069472672646.stgit@localhost Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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@ -50,9 +50,14 @@ def __init__(self, args):
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Parameters
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----------
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args :
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List of (type, name) tuples.
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List of (type, name) tuples or Arguments objects.
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"""
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self._args = args
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self._args = []
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for arg in args:
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if isinstance(arg, Arguments):
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self._args.extend(arg._args)
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else:
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self._args.append(arg)
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def copy(self):
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"""Create a new copy."""
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@ -83,6 +88,12 @@ def build(arg_str):
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res.append((arg_type, identifier))
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return Arguments(res)
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def __getitem__(self, index):
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if isinstance(index, slice):
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return Arguments(self._args[index])
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else:
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return self._args[index]
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def __iter__(self):
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"""Iterate over the (type, name) pairs."""
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return iter(self._args)
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