Merge zizzer:/bk/m5 into vm1.reinhardt.house:/z/stever/bk/m5
--HG-- extra : convert_revision : d5b97b8f5af42115989e7f9f4baa421d61a13b70
This commit is contained in:
Steve Reinhardt
commit
31d9d3bfe1
3 changed files with 214 additions and 176 deletions
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@ -1,4 +1,4 @@
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Coherence = Enum('uni', 'msi', 'mesi', 'mosi', 'moesi')
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class Coherence(Enum): vals = ['uni', 'msi', 'mesi', 'mosi', 'moesi']
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simobj CoherenceProtocol(SimObject):
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type = 'CoherenceProtocol'
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@ -1,6 +1,6 @@
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from Pci import PciDevice
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IdeID = Enum('master', 'slave')
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class IdeID(Enum): vals = ['master', 'slave']
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simobj IdeDisk(SimObject):
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type = 'IdeDisk'
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@ -25,7 +25,7 @@
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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from __future__ import generators
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import os, re, sys, types
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import os, re, sys, types, inspect
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noDot = False
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try:
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import pydot
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@ -172,9 +172,6 @@ def isSubClass(value, cls):
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except:
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return False
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def isParam(self):
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return isinstance(self, _Param)
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def isConfigNode(value):
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try:
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return issubclass(value, ConfigNode)
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@ -204,8 +201,8 @@ def isParamContext(value):
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return False
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class_decorator = '_M5M5_SIMOBJECT_'
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expr_decorator = '_M5M5_EXPRESSION_'
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class_decorator = 'M5M5_SIMOBJECT_'
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expr_decorator = 'M5M5_EXPRESSION_'
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dot_decorator = '_M5M5_DOT_'
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# The metaclass for ConfigNode (and thus for everything that derives
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@ -215,9 +212,11 @@ dot_decorator = '_M5M5_DOT_'
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# of that class are instantiated, and provides inherited instance
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# behavior).
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class MetaConfigNode(type):
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keywords = { 'abstract' : types.BooleanType,
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'check' : types.FunctionType,
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'type' : (types.NoneType, types.StringType) }
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# Attributes that can be set only at initialization time
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init_keywords = {}
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# Attributes that can be set any time
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keywords = { 'check' : types.FunctionType,
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'children' : types.ListType }
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# __new__ is called before __init__, and is where the statements
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# in the body of the class definition get loaded into the class's
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@ -225,77 +224,78 @@ class MetaConfigNode(type):
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# and only allow "private" attributes to be passed to the base
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# __new__ (starting with underscore).
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def __new__(mcls, name, bases, dict):
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priv = { 'abstract' : False,
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# initialize _params and _values dicts to empty
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'_params' : {},
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'_values' : {},
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'_disable' : {} }
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# Copy "private" attributes (including special methods such as __new__)
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# to the official dict. Everything else goes in _init_dict to be
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# filtered in __init__.
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cls_dict = {}
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for key,val in dict.items():
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if key.startswith('_'):
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cls_dict[key] = val
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del dict[key]
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# See description of decorators in the importer.py file
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# We just strip off the expr_decorator now since we don't
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# need from this point on.
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if key.startswith(expr_decorator):
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key = key[len(expr_decorator):]
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if mcls.keywords.has_key(key):
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if not isinstance(val, mcls.keywords[key]):
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raise TypeError, \
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'keyword %s has the wrong type %s should be %s' % \
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(key, type(val), mcls.keywords[key])
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if isinstance(val, types.FunctionType):
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val = classmethod(val)
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priv[key] = val
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elif key.startswith('_'):
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priv[key] = val
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elif not isNullPointer(val) and isConfigNode(val):
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dict[key] = val()
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elif isSimObjSequence(val):
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dict[key] = [ v() for v in val ]
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else:
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dict[key] = val
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# If your parent has a value in it that's a config node, clone it.
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for base in bases:
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if not isConfigNode(base):
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continue
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for key,value in base._values.iteritems():
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if dict.has_key(key):
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continue
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if isConfigNode(value):
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priv['_values'][key] = value()
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elif isSimObjSequence(value):
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priv['_values'][key] = [ val() for val in value ]
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# entries left in dict will get passed to __init__, where we'll
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# deal with them as params.
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return super(MetaConfigNode, mcls).__new__(mcls, name, bases, priv)
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cls_dict['_init_dict'] = dict
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return super(MetaConfigNode, mcls).__new__(mcls, name, bases, cls_dict)
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# initialization
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def __init__(cls, name, bases, dict):
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super(MetaConfigNode, cls).__init__(cls, name, bases, {})
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super(MetaConfigNode, cls).__init__(name, bases, dict)
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# initialize required attributes
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cls._params = {}
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cls._values = {}
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cls._enums = {}
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cls._disable = {}
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cls._bases = [c for c in cls.__mro__ if isConfigNode(c)]
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cls._anon_subclass_counter = 0
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# initialize attributes with values from class definition
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for key,value in dict.iteritems():
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# turn an expression that was munged in the importer
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# If your parent has a value in it that's a config node, clone
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# it. Do this now so if we update any of the values'
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# attributes we are updating the clone and not the original.
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for base in cls._bases:
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for key,val in base._values.iteritems():
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# don't clone if (1) we're about to overwrite it with
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# a local setting or (2) we've already cloned a copy
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# from an earlier (more derived) base
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if cls._init_dict.has_key(key) or cls._values.has_key(key):
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continue
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if isConfigNode(val):
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cls._values[key] = val()
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elif isSimObjSequence(val):
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cls._values[key] = [ v() for v in val ]
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elif isNullPointer(val):
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cls._values[key] = val
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# now process _init_dict items
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for key,val in cls._init_dict.items():
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if isinstance(val, _Param):
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cls._params[key] = val
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# init-time-only keywords
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elif cls.init_keywords.has_key(key):
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cls._set_keyword(key, val, cls.init_keywords[key])
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# enums
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elif isinstance(val, type) and issubclass(val, Enum):
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cls._enums[key] = val
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# See description of decorators in the importer.py file.
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# We just strip off the expr_decorator now since we don't
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# need from this point on.
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elif key.startswith(expr_decorator):
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key = key[len(expr_decorator):]
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# because it had dots into a list so that we can find the
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# proper variable to modify.
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key = key.split(dot_decorator)
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c = cls
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for item in key[:-1]:
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c = getattr(c, item)
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setattr(c, key[-1], value)
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setattr(c, key[-1], val)
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# default: use normal path (ends up in __setattr__)
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else:
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setattr(cls, key, val)
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def _isvalue(cls, name):
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for c in cls._bases:
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@ -329,9 +329,6 @@ class MetaConfigNode(type):
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else:
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return default
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def _setparam(cls, name, value):
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cls._params[name] = value
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def _hasvalue(cls, name):
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for c in cls._bases:
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if c._values.has_key(name):
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@ -347,7 +344,11 @@ class MetaConfigNode(type):
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values[p] = v
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for p,v in c._params.iteritems():
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if not values.has_key(p) and hasattr(v, 'default'):
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try:
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v.valid(v.default)
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except TypeError:
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panic("Invalid default %s for param %s in node %s"
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% (v.default,p,cls.__name__))
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v = v.default
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cls._setvalue(p, v)
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values[p] = v
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@ -391,12 +392,20 @@ class MetaConfigNode(type):
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if cls._isvalue(attr):
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return Value(cls, attr)
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if attr == '_cppname' and hasattr(cls, 'type'):
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if attr == '_cpp_param_decl' and hasattr(cls, 'type'):
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return cls.type + '*'
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raise AttributeError, \
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"object '%s' has no attribute '%s'" % (cls.__name__, attr)
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def _set_keyword(cls, keyword, val, kwtype):
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if not isinstance(val, kwtype):
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raise TypeError, 'keyword %s has bad type %s (expecting %s)' % \
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(keyword, type(val), kwtype)
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if isinstance(val, types.FunctionType):
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val = classmethod(val)
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type.__setattr__(cls, keyword, val)
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# Set attribute (called on foo.attr = value when foo is an
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# instance of class cls).
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def __setattr__(cls, attr, value):
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@ -406,11 +415,7 @@ class MetaConfigNode(type):
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return
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if cls.keywords.has_key(attr):
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raise TypeError, \
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"keyword '%s' can only be set in a simobj definition" % attr
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if isParam(value):
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cls._setparam(attr, value)
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cls._set_keyword(attr, value, cls.keywords[attr])
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return
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# must be SimObject param
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@ -424,8 +429,6 @@ class MetaConfigNode(type):
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elif isConfigNode(value) or isSimObjSequence(value):
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cls._setvalue(attr, value)
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else:
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for p,v in cls._getparams().iteritems():
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print p,v
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raise AttributeError, \
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"Class %s has no parameter %s" % (cls.__name__, attr)
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@ -530,53 +533,59 @@ class ConfigNode(object):
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# Specify metaclass. Any class inheriting from ConfigNode will
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# get this metaclass.
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__metaclass__ = MetaConfigNode
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type = None
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def __new__(cls, **kwargs):
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return MetaConfigNode(cls.__name__, (cls, ), kwargs)
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# Set attribute. All attribute assignments go through here. Must
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# be private attribute (starts with '_') or valid parameter entry.
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# Basically identical to MetaConfigClass.__setattr__(), except
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# this sets attributes on specific instances rather than on classes.
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#def __setattr__(self, attr, value):
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# if attr.startswith('_'):
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# object.__setattr__(self, attr, value)
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# return
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# not private; look up as param
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# param = self.__class__.lookup_param(attr)
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# if not param:
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# raise AttributeError, \
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# "Class %s has no parameter %s" \
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# % (self.__class__.__name__, attr)
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# It's ok: set attribute by delegating to 'object' class.
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# Note the use of param.make_value() to verify/canonicalize
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# the assigned value.
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# v = param.convert(value)
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# object.__setattr__(self, attr, v)
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name = cls.__name__ + ("_%d" % cls._anon_subclass_counter)
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cls._anon_subclass_counter += 1
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return cls.__metaclass__(name, (cls, ), kwargs)
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class ParamContext(ConfigNode):
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pass
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# SimObject is a minimal extension of ConfigNode, implementing a
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# hierarchy node that corresponds to an M5 SimObject. It prints out a
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# "type=" line to indicate its SimObject class, prints out the
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# assigned parameters corresponding to its class, and allows
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# parameters to be set by keyword in the constructor. Note that most
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# of the heavy lifting for the SimObject param handling is done in the
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# MetaConfigNode metaclass.
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class SimObject(ConfigNode):
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def _sim_code(cls):
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class MetaSimObject(MetaConfigNode):
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# init_keywords and keywords are inherited from MetaConfigNode,
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# with overrides/additions
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init_keywords = MetaConfigNode.init_keywords
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init_keywords.update({ 'abstract' : types.BooleanType,
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'type' : types.StringType })
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keywords = MetaConfigNode.keywords
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# no additional keywords
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cpp_classes = []
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# initialization
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def __init__(cls, name, bases, dict):
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super(MetaSimObject, cls).__init__(name, bases, dict)
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if hasattr(cls, 'type'):
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if name == 'SimObject':
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cls._cpp_base = None
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elif hasattr(cls._bases[1], 'type'):
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cls._cpp_base = cls._bases[1].type
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else:
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panic("SimObject %s derives from a non-C++ SimObject %s "\
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"(no 'type')" % (cls, cls_bases[1].__name__))
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# This class corresponds to a C++ class: put it on the global
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# list of C++ objects to generate param structs, etc.
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MetaSimObject.cpp_classes.append(cls)
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def _cpp_decl(cls):
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name = cls.__name__
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code = ""
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code += "\n".join([e.cpp_declare() for e in cls._enums.values()])
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code += "\n"
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param_names = cls._params.keys()
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param_names.sort()
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code = "BEGIN_DECLARE_SIM_OBJECT_PARAMS(%s)\n" % name
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decls = [" " + cls._params[pname].sim_decl(pname) \
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for pname in param_names]
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code += "\n".join(decls) + "\n"
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code += "END_DECLARE_SIM_OBJECT_PARAMS(%s)\n\n" % name
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code += "struct Params"
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if cls._cpp_base:
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code += " : public %s::Params" % cls._cpp_base
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code += " {\n "
|
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code += "\n ".join([cls._params[pname].cpp_decl(pname) \
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for pname in param_names])
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code += "\n};\n"
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return code
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_sim_code = classmethod(_sim_code)
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class NodeParam(object):
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def __init__(self, name, param, value):
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@ -823,10 +832,13 @@ class Value(object):
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|||
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# Regular parameter.
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class _Param(object):
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def __init__(self, ptype_string, *args, **kwargs):
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self.ptype_string = ptype_string
|
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# can't eval ptype_string here to get ptype, since the type might
|
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# not have been defined yet. Do it lazily in __getattr__.
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def __init__(self, ptype, *args, **kwargs):
|
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if isinstance(ptype, types.StringType):
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self.ptype_string = ptype
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elif isinstance(ptype, type):
|
||||
self.ptype = ptype
|
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else:
|
||||
raise TypeError, "Param type is not a type (%s)" % ptype
|
||||
|
||||
if args:
|
||||
if len(args) == 1:
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||||
|
|
@ -877,8 +889,8 @@ class _Param(object):
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|||
def set(self, name, instance, value):
|
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instance.__dict__[name] = value
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||||
|
||||
def sim_decl(self, name):
|
||||
return '%s %s;' % (self.ptype._cppname, name)
|
||||
def cpp_decl(self, name):
|
||||
return '%s %s;' % (self.ptype._cpp_param_decl, name)
|
||||
|
||||
class _ParamProxy(object):
|
||||
def __init__(self, type):
|
||||
|
|
@ -886,7 +898,18 @@ class _ParamProxy(object):
|
|||
|
||||
# E.g., Param.Int(5, "number of widgets")
|
||||
def __call__(self, *args, **kwargs):
|
||||
return _Param(self.ptype, *args, **kwargs)
|
||||
# Param type could be defined only in context of caller (e.g.,
|
||||
# for locally defined Enum subclass). Need to go look up the
|
||||
# type in that enclosing scope.
|
||||
caller_frame = inspect.stack()[1][0]
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||||
ptype = caller_frame.f_locals.get(self.ptype, None)
|
||||
if not ptype: ptype = caller_frame.f_globals.get(self.ptype, None)
|
||||
if not ptype: ptype = globals().get(self.ptype, None)
|
||||
# ptype could still be None due to circular references... we'll
|
||||
# try one more time to evaluate lazily when ptype is first needed.
|
||||
# In the meantime we'll save the type name as a string.
|
||||
if not ptype: ptype = self.ptype
|
||||
return _Param(ptype, *args, **kwargs)
|
||||
|
||||
def __getattr__(self, attr):
|
||||
if attr == '__bases__':
|
||||
|
|
@ -940,8 +963,8 @@ class _VectorParam(_Param):
|
|||
else:
|
||||
return self.ptype._string(value)
|
||||
|
||||
def sim_decl(self, name):
|
||||
return 'std::vector<%s> %s;' % (self.ptype._cppname, name)
|
||||
def cpp_decl(self, name):
|
||||
return 'std::vector<%s> %s;' % (self.ptype._cpp_param_decl, name)
|
||||
|
||||
class _VectorParamProxy(_ParamProxy):
|
||||
# E.g., VectorParam.Int(5, "number of widgets")
|
||||
|
|
@ -991,7 +1014,7 @@ class CheckedInt(type):
|
|||
def __new__(cls, cppname, min, max):
|
||||
# New class derives from _CheckedInt base with proper bounding
|
||||
# parameters
|
||||
dict = { '_cppname' : cppname, '_min' : min, '_max' : max }
|
||||
dict = { '_cpp_param_decl' : cppname, '_min' : min, '_max' : max }
|
||||
return type.__new__(cls, cppname, (_CheckedInt, ), dict)
|
||||
|
||||
class CheckedIntType(CheckedInt):
|
||||
|
|
@ -1047,7 +1070,8 @@ def RangeSize(start, size):
|
|||
|
||||
class Range(type):
|
||||
def __new__(cls, type):
|
||||
dict = { '_cppname' : 'Range<%s>' % type._cppname, '_type' : type }
|
||||
dict = { '_cpp_param_decl' : 'Range<%s>' % type._cpp_param_decl,
|
||||
'_type' : type }
|
||||
clsname = 'Range_' + type.__name__
|
||||
return super(cls, Range).__new__(cls, clsname, (_Range, ), dict)
|
||||
|
||||
|
|
@ -1055,7 +1079,7 @@ AddrRange = Range(Addr)
|
|||
|
||||
# Boolean parameter type.
|
||||
class Bool(object):
|
||||
_cppname = 'bool'
|
||||
_cpp_param_decl = 'bool'
|
||||
def _convert(value):
|
||||
t = type(value)
|
||||
if t == bool:
|
||||
|
|
@ -1083,7 +1107,7 @@ class Bool(object):
|
|||
|
||||
# String-valued parameter.
|
||||
class String(object):
|
||||
_cppname = 'string'
|
||||
_cpp_param_decl = 'string'
|
||||
|
||||
# Constructor. Value must be Python string.
|
||||
def _convert(cls,value):
|
||||
|
|
@ -1123,7 +1147,7 @@ class NextEthernetAddr(object):
|
|||
self.addr = IncEthernetAddr(self.addr, inc)
|
||||
|
||||
class EthernetAddr(object):
|
||||
_cppname = 'EthAddr'
|
||||
_cpp_param_decl = 'EthAddr'
|
||||
|
||||
def _convert(cls, value):
|
||||
if value == NextEthernetAddr:
|
||||
|
|
@ -1155,15 +1179,10 @@ class EthernetAddr(object):
|
|||
# only one copy of a particular node
|
||||
class NullSimObject(object):
|
||||
__metaclass__ = Singleton
|
||||
_cppname = 'NULL'
|
||||
|
||||
def __call__(cls):
|
||||
return cls
|
||||
|
||||
def _sim_code(cls):
|
||||
pass
|
||||
_sim_code = classmethod(_sim_code)
|
||||
|
||||
def _instantiate(self, parent = None, path = ''):
|
||||
pass
|
||||
|
||||
|
|
@ -1200,12 +1219,48 @@ Null = NULL = NullSimObject()
|
|||
# derive the new type from the appropriate base class on the fly.
|
||||
|
||||
|
||||
# Base class for Enum types.
|
||||
class _Enum(object):
|
||||
# Metaclass for Enum types
|
||||
class MetaEnum(type):
|
||||
|
||||
def __init__(cls, name, bases, init_dict):
|
||||
if init_dict.has_key('map'):
|
||||
if not isinstance(cls.map, dict):
|
||||
raise TypeError, "Enum-derived class attribute 'map' " \
|
||||
"must be of type dict"
|
||||
# build list of value strings from map
|
||||
cls.vals = cls.map.keys()
|
||||
cls.vals.sort()
|
||||
elif init_dict.has_key('vals'):
|
||||
if not isinstance(cls.vals, list):
|
||||
raise TypeError, "Enum-derived class attribute 'vals' " \
|
||||
"must be of type list"
|
||||
# build string->value map from vals sequence
|
||||
cls.map = {}
|
||||
for idx,val in enumerate(cls.vals):
|
||||
cls.map[val] = idx
|
||||
else:
|
||||
raise TypeError, "Enum-derived class must define "\
|
||||
"attribute 'map' or 'vals'"
|
||||
|
||||
cls._cpp_param_decl = name
|
||||
|
||||
super(MetaEnum, cls).__init__(name, bases, init_dict)
|
||||
|
||||
def cpp_declare(cls):
|
||||
s = 'enum %s {\n ' % cls.__name__
|
||||
s += ',\n '.join(['%s = %d' % (v,cls.map[v]) for v in cls.vals])
|
||||
s += '\n};\n'
|
||||
return s
|
||||
|
||||
# Base class for enum types.
|
||||
class Enum(object):
|
||||
__metaclass__ = MetaEnum
|
||||
vals = []
|
||||
|
||||
def _convert(self, value):
|
||||
if value not in self.map:
|
||||
raise TypeError, "Enum param got bad value '%s' (not in %s)" \
|
||||
% (value, self.map)
|
||||
% (value, self.vals)
|
||||
return value
|
||||
_convert = classmethod(_convert)
|
||||
|
||||
|
|
@ -1213,36 +1268,6 @@ class _Enum(object):
|
|||
def _string(self, value):
|
||||
return str(value)
|
||||
_string = classmethod(_string)
|
||||
|
||||
# Enum metaclass... calling Enum(foo) generates a new type (class)
|
||||
# that derives from _ListEnum or _DictEnum as appropriate.
|
||||
class Enum(type):
|
||||
# counter to generate unique names for generated classes
|
||||
counter = 1
|
||||
|
||||
def __new__(cls, *args):
|
||||
if len(args) > 1:
|
||||
enum_map = args
|
||||
else:
|
||||
enum_map = args[0]
|
||||
|
||||
if isinstance(enum_map, dict):
|
||||
map = enum_map
|
||||
elif issequence(enum_map):
|
||||
map = {}
|
||||
for idx,val in enumerate(enum_map):
|
||||
map[val] = idx
|
||||
else:
|
||||
raise TypeError, "Enum map must be list or dict (got %s)" % map
|
||||
|
||||
classname = "Enum%04d" % Enum.counter
|
||||
Enum.counter += 1
|
||||
|
||||
# New class derives from _Enum base, and gets a 'map'
|
||||
# attribute containing the specified list or dict.
|
||||
return type.__new__(cls, classname, (_Enum, ), { 'map': map })
|
||||
|
||||
|
||||
#
|
||||
# "Constants"... handy aliases for various values.
|
||||
#
|
||||
|
|
@ -1277,5 +1302,18 @@ def instantiate(root):
|
|||
dot.write("config.dot")
|
||||
dot.write_ps("config.ps")
|
||||
|
||||
# SimObject is a minimal extension of ConfigNode, implementing a
|
||||
# hierarchy node that corresponds to an M5 SimObject. It prints out a
|
||||
# "type=" line to indicate its SimObject class, prints out the
|
||||
# assigned parameters corresponding to its class, and allows
|
||||
# parameters to be set by keyword in the constructor. Note that most
|
||||
# of the heavy lifting for the SimObject param handling is done in the
|
||||
# MetaConfigNode metaclass.
|
||||
class SimObject(ConfigNode):
|
||||
__metaclass__ = MetaSimObject
|
||||
type = 'SimObject'
|
||||
|
||||
from objects import *
|
||||
|
||||
cpp_classes = MetaSimObject.cpp_classes
|
||||
cpp_classes.sort()
|
||||
|
|
|
|||
Loading…
Reference in a new issue