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"""SCons.Node
The Node package for the SCons software construction utility.
"""
#
# Copyright (c) 2001 Steven Knight
#
# 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__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
from SCons.Errors import BuildError
import string
import types
class Node:
"""The base Node class, for entities that we know how to
build, or use to build other Nodes.
"""
def __init__(self):
self.sources = []
self.depends = []
self.derived = 0
self.env = None
def build(self):
sources_str = string.join(map(lambda x: str(x), self.sources))
stat = self.builder.execute(ENV = self.env.Dictionary('ENV'),
target = str(self), source = sources_str)
if stat != 0:
raise BuildError(node = self, stat = stat)
return stat
def builder_set(self, builder):
self.builder = builder
def env_set(self, env):
self.env = env
def has_signature(self):
return hasattr(self, "signature")
def set_signature(self, signature):
self.signature = signature
def get_signature(self):
return self.signature
def add_dependency(self, depend):
"""Adds dependencies. The depends argument must be a list."""
if type(depend) is not type([]):
raise TypeError("depend must be a list")
self.depends.extend(depend)
def add_source(self, source):
"""Adds sources. The source argument must be a list."""
if type(source) is not type([]):
raise TypeError("source must be a list")
self.sources.extend(source)
def children(self):
return self.sources + self.depends
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