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# Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""
Tool module for adding, to a construction environment, Chromium-specific
wrappers around Hammer builders. This gives us a central place for any
customization we need to make to the different things we build.
"""
import SCons.Node
import _Node_MSVS as MSVS
class Null(object):
def __new__(cls, *args, **kwargs):
if '_inst' not in vars(cls):
cls._inst = super(type, cls).__new__(cls, *args, **kwargs)
return cls._inst
def __init__(self, *args, **kwargs): pass
def __call__(self, *args, **kwargs): return self
def __repr__(self): return "Null()"
def __nonzero__(self): return False
def __getattr__(self, name): return self
def __setattr__(self, name, val): return self
def __delattr__(self, name): return self
def __getitem__(self, name): return self
class ChromeFileList(MSVS.FileList):
def Append(self, *args):
for element in args:
self.append(element)
def Extend(self, *args):
for element in args:
self.extend(element)
def Remove(self, *args):
for top, lists, nonlists in MSVS.FileListWalk(self, topdown=False):
for element in args:
try:
top.remove(element)
except ValueError:
pass
def Replace(self, old, new):
for top, lists, nonlists in MSVS.FileListWalk(self, topdown=False):
try:
i = top.index(old)
except ValueError:
pass
else:
top[i] = new
import __builtin__
__builtin__.ChromeFileList = ChromeFileList
def compilable_files(sources):
if not hasattr(sources, 'entries'):
return [x for x in sources if not str(x).endswith('.h')
and not str(x).endswith('.dat')]
result = []
for top, folders, nonfolders in MSVS.FileListWalk(sources):
result.extend([x for x in nonfolders if not str(x).endswith('.h')
and not str(x).endswith('.dat')])
return result
def ChromeProgram(env, target, source, *args, **kw):
source = compilable_files(source)
result = env.ComponentProgram(target, source, *args, **kw)
if env.get('INCREMENTAL'):
env.Precious(result)
return result
def ChromeTestProgram(env, target, source, *args, **kw):
source = compilable_files(source)
result = env.ComponentTestProgram(target, source, *args, **kw)
if env.get('INCREMENTAL'):
env.Precious(*result)
return result
def ChromeLibrary(env, target, source, *args, **kw):
source = compilable_files(source)
return env.ComponentLibrary(target, source, *args, **kw)
def ChromeStaticLibrary(env, target, source, *args, **kw):
source = compilable_files(source)
kw['COMPONENT_STATIC'] = True
return env.ComponentLibrary(target, source, *args, **kw)
def ChromeSharedLibrary(env, target, source, *args, **kw):
source = compilable_files(source)
kw['COMPONENT_STATIC'] = False
result = [env.ComponentLibrary(target, source, *args, **kw)[0]]
if env.get('INCREMENTAL'):
env.Precious(result)
return result
def ChromeObject(env, *args, **kw):
return env.ComponentObject(*args, **kw)
def ChromeMSVSFolder(env, *args, **kw):
if not env.Bit('msvs'):
return Null()
return env.MSVSFolder(*args, **kw)
def ChromeMSVSProject(env, *args, **kw):
if not env.Bit('msvs'):
return Null()
return env.MSVSProject(*args, **kw)
def ChromeMSVSSolution(env, *args, **kw):
if not env.Bit('msvs'):
return Null()
return env.MSVSSolution(*args, **kw)
def generate(env):
env.AddMethod(ChromeProgram)
env.AddMethod(ChromeTestProgram)
env.AddMethod(ChromeLibrary)
env.AddMethod(ChromeStaticLibrary)
env.AddMethod(ChromeSharedLibrary)
env.AddMethod(ChromeObject)
env.AddMethod(ChromeMSVSFolder)
env.AddMethod(ChromeMSVSProject)
env.AddMethod(ChromeMSVSSolution)
def exists(env):
return True
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