88 lines
2.7 KiB
Python
88 lines
2.7 KiB
Python
|
|
"""scons.Node.Alias
|
|
|
|
Alias nodes.
|
|
|
|
This creates a hash of global Aliases (dummy targets).
|
|
|
|
"""
|
|
|
|
#
|
|
# Copyright (c) 2001, 2002, 2003, 2004 The SCons Foundation
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining
|
|
# a copy of this software and associated documentation files (the
|
|
# "Software"), to deal in the Software without restriction, including
|
|
# without limitation the rights to use, copy, modify, merge, publish,
|
|
# distribute, sublicense, and/or sell copies of the Software, and to
|
|
# permit persons to whom the Software is furnished to do so, subject to
|
|
# the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included
|
|
# in all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
|
|
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
|
|
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
#
|
|
|
|
__revision__ = "/home/scons/scons/branch.0/baseline/src/engine/SCons/Node/Alias.py 0.96.1.D001 2004/08/23 09:55:29 knight"
|
|
|
|
import UserDict
|
|
|
|
import SCons.Errors
|
|
import SCons.Node
|
|
import SCons.Util
|
|
|
|
class AliasNameSpace(UserDict.UserDict):
|
|
def Alias(self, name):
|
|
if self.has_key(name):
|
|
raise SCons.Errors.UserError
|
|
self[name] = SCons.Node.Alias.Alias(name)
|
|
return self[name]
|
|
|
|
def lookup(self, name):
|
|
try:
|
|
return self[name]
|
|
except KeyError:
|
|
return None
|
|
|
|
class Alias(SCons.Node.Node):
|
|
def __init__(self, name):
|
|
SCons.Node.Node.__init__(self)
|
|
self.name = name
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
def build(self):
|
|
"""A "builder" for aliases."""
|
|
pass
|
|
|
|
current = SCons.Node.Node.children_are_up_to_date
|
|
|
|
def sconsign(self):
|
|
"""An Alias is not recorded in .sconsign files"""
|
|
pass
|
|
|
|
def is_under(self, dir):
|
|
# Make Alias nodes get built regardless of
|
|
# what directory scons was run from. Alias nodes
|
|
# are outside the filesystem:
|
|
return 1
|
|
|
|
def get_contents(self):
|
|
"""The contents of an alias is the concatenation
|
|
of all the contents of its sources"""
|
|
contents = ""
|
|
for kid in self.children(None):
|
|
contents = contents + kid.get_contents()
|
|
return contents
|
|
|
|
default_ans = AliasNameSpace()
|
|
|
|
SCons.Node.arg2nodes_lookups.append(default_ans.lookup)
|