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-rw-r--r--src/engine/SCons/Node/Alias.py51
1 files changed, 40 insertions, 11 deletions
diff --git a/src/engine/SCons/Node/Alias.py b/src/engine/SCons/Node/Alias.py
index 0bd6422..7e13b00 100644
--- a/src/engine/SCons/Node/Alias.py
+++ b/src/engine/SCons/Node/Alias.py
@@ -30,7 +30,7 @@ This creates a hash of global Aliases (dummy targets).
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
-__revision__ = "src/engine/SCons/Node/Alias.py rel_2.3.5:3347:d31d5a4e74b6 2015/07/31 14:36:10 bdbaddog"
+__revision__ = "src/engine/SCons/Node/Alias.py rel_2.4.0:3365:9259ea1c13d7 2015/09/21 14:03:43 bdbaddog"
import collections
@@ -56,13 +56,47 @@ class AliasNameSpace(collections.UserDict):
return None
class AliasNodeInfo(SCons.Node.NodeInfoBase):
- current_version_id = 1
+ __slots__ = ('csig',)
+ current_version_id = 2
field_list = ['csig']
def str_to_node(self, s):
return default_ans.Alias(s)
+ def __getstate__(self):
+ """
+ Return all fields that shall be pickled. Walk the slots in the class
+ hierarchy and add those to the state dictionary. If a '__dict__' slot is
+ available, copy all entries to the dictionary. Also include the version
+ id, which is fixed for all instances of a class.
+ """
+ state = getattr(self, '__dict__', {}).copy()
+ for obj in type(self).mro():
+ for name in getattr(obj,'__slots__',()):
+ if hasattr(self, name):
+ state[name] = getattr(self, name)
+
+ state['_version_id'] = self.current_version_id
+ try:
+ del state['__weakref__']
+ except KeyError:
+ pass
+
+ return state
+
+ def __setstate__(self, state):
+ """
+ Restore the attributes from a pickled state.
+ """
+ # TODO check or discard version
+ del state['_version_id']
+ for key, value in state.items():
+ if key not in ('__weakref__',):
+ setattr(self, key, value)
+
+
class AliasBuildInfo(SCons.Node.BuildInfoBase):
- current_version_id = 1
+ __slots__ = ()
+ current_version_id = 2
class Alias(SCons.Node.Node):
@@ -72,7 +106,9 @@ class Alias(SCons.Node.Node):
def __init__(self, name):
SCons.Node.Node.__init__(self)
self.name = name
-
+ self.changed_since_last_build = 1
+ self.store_info = 0
+
def str_for_display(self):
return '"' + self.__str__() + '"'
@@ -105,13 +141,6 @@ class Alias(SCons.Node.Node):
#
#
- def changed_since_last_build(self, target, prev_ni):
- cur_csig = self.get_csig()
- try:
- return cur_csig != prev_ni.csig
- except AttributeError:
- return 1
-
def build(self):
"""A "builder" for aliases."""
pass