proxy.py (12798:d9fc94b42670) proxy.py (13663:9b64aeabf9a5)
1# Copyright (c) 2018 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license

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61 elif not self._search_self and self._search_up:
62 s = 'Parent'
63 else:
64 s = 'ConfusedProxy'
65 return s + '.' + self.path()
66
67 def __setattr__(self, attr, value):
68 if not attr.startswith('_'):
1# Copyright (c) 2018 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license

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61 elif not self._search_self and self._search_up:
62 s = 'Parent'
63 else:
64 s = 'ConfusedProxy'
65 return s + '.' + self.path()
66
67 def __setattr__(self, attr, value):
68 if not attr.startswith('_'):
69 raise AttributeError, \
70 "cannot set attribute '%s' on proxy object" % attr
69 raise AttributeError(
70 "cannot set attribute '%s' on proxy object" % attr)
71 super(BaseProxy, self).__setattr__(attr, value)
72
73 # support for multiplying proxies by constants or other proxies to
74 # other params
75 def __mul__(self, other):
76 if not (isinstance(other, (int, long, float)) or isproxy(other)):
71 super(BaseProxy, self).__setattr__(attr, value)
72
73 # support for multiplying proxies by constants or other proxies to
74 # other params
75 def __mul__(self, other):
76 if not (isinstance(other, (int, long, float)) or isproxy(other)):
77 raise TypeError, \
78 "Proxy multiplier must be a constant or a proxy to a param"
77 raise TypeError(
78 "Proxy multiplier must be a constant or a proxy to a param")
79 self._multipliers.append(other)
80 return self
81
82 __rmul__ = __mul__
83
84 def _mulcheck(self, result, base):
85 for multiplier in self._multipliers:
86 if isproxy(multiplier):
87 multiplier = multiplier.unproxy(base)
88 # assert that we are multiplying with a compatible
89 # param
90 if not isinstance(multiplier, params.NumericParamValue):
79 self._multipliers.append(other)
80 return self
81
82 __rmul__ = __mul__
83
84 def _mulcheck(self, result, base):
85 for multiplier in self._multipliers:
86 if isproxy(multiplier):
87 multiplier = multiplier.unproxy(base)
88 # assert that we are multiplying with a compatible
89 # param
90 if not isinstance(multiplier, params.NumericParamValue):
91 raise TypeError, \
92 "Proxy multiplier must be a numerical param"
91 raise TypeError(
92 "Proxy multiplier must be a numerical param")
93 multiplier = multiplier.getValue()
94 result *= multiplier
95 return result
96
97 def unproxy(self, base):
98 obj = base
99 done = False
100

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111 if not obj:
112 break
113 result, done = self.find(obj)
114
115 self._visited = False
116 base._visited = False
117
118 if not done:
93 multiplier = multiplier.getValue()
94 result *= multiplier
95 return result
96
97 def unproxy(self, base):
98 obj = base
99 done = False
100

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111 if not obj:
112 break
113 result, done = self.find(obj)
114
115 self._visited = False
116 base._visited = False
117
118 if not done:
119 raise AttributeError, \
120 "Can't resolve proxy '%s' of type '%s' from '%s'" % \
121 (self.path(), self._pdesc.ptype_str, base.path())
119 raise AttributeError(
120 "Can't resolve proxy '%s' of type '%s' from '%s'" % \
121 (self.path(), self._pdesc.ptype_str, base.path()))
122
123 if isinstance(result, BaseProxy):
124 if result == self:
122
123 if isinstance(result, BaseProxy):
124 if result == self:
125 raise RuntimeError, "Cycle in unproxy"
125 raise RuntimeError("Cycle in unproxy")
126 result = result.unproxy(obj)
127
128 return self._mulcheck(result, base)
129
130 def getindex(obj, index):
131 if index == None:
132 return obj
133 try:

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152 self._attr = attr
153 self._modifiers = []
154
155 def __getattr__(self, attr):
156 # python uses __bases__ internally for inheritance
157 if attr.startswith('_'):
158 return super(AttrProxy, self).__getattr__(self, attr)
159 if hasattr(self, '_pdesc'):
126 result = result.unproxy(obj)
127
128 return self._mulcheck(result, base)
129
130 def getindex(obj, index):
131 if index == None:
132 return obj
133 try:

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152 self._attr = attr
153 self._modifiers = []
154
155 def __getattr__(self, attr):
156 # python uses __bases__ internally for inheritance
157 if attr.startswith('_'):
158 return super(AttrProxy, self).__getattr__(self, attr)
159 if hasattr(self, '_pdesc'):
160 raise AttributeError, "Attribute reference on bound proxy"
160 raise AttributeError("Attribute reference on bound proxy")
161 # Return a copy of self rather than modifying self in place
162 # since self could be an indirect reference via a variable or
163 # parameter
164 new_self = copy.deepcopy(self)
165 new_self._modifiers.append(attr)
166 return new_self
167
168 # support indexing on proxies (e.g., Self.cpu[0])
169 def __getitem__(self, key):
170 if not isinstance(key, int):
161 # Return a copy of self rather than modifying self in place
162 # since self could be an indirect reference via a variable or
163 # parameter
164 new_self = copy.deepcopy(self)
165 new_self._modifiers.append(attr)
166 return new_self
167
168 # support indexing on proxies (e.g., Self.cpu[0])
169 def __getitem__(self, key):
170 if not isinstance(key, int):
171 raise TypeError, "Proxy object requires integer index"
171 raise TypeError("Proxy object requires integer index")
172 if hasattr(self, '_pdesc'):
172 if hasattr(self, '_pdesc'):
173 raise AttributeError, "Index operation on bound proxy"
173 raise AttributeError("Index operation on bound proxy")
174 new_self = copy.deepcopy(self)
175 new_self._modifiers.append(key)
176 return new_self
177
178 def find(self, obj):
179 try:
180 val = getattr(obj, self._attr)
181 visited = False

--- 85 unchanged lines hidden --- 		174 new_self = copy.deepcopy(self)
175 new_self._modifiers.append(key)
176 return new_self
177
178 def find(self, obj):
179 try:
180 val = getattr(obj, self._attr)
181 visited = False

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