110 lines
3.1 KiB
Python
110 lines
3.1 KiB
Python
#
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# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007 The SCons Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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"""SCons.Warnings
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This file implements the warnings framework for SCons.
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"""
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__revision__ = "/home/scons/scons/branch.0/baseline/src/engine/SCons/Warnings.py 0.97.D001 2007/05/17 11:35:19 knight"
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import SCons.Errors
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class Warning(SCons.Errors.UserError):
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pass
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# NOTE: If you add a new warning class, add it to the man page, too!
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class CacheWriteErrorWarning(Warning):
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pass
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class CorruptSConsignWarning(Warning):
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pass
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class DependencyWarning(Warning):
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pass
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class DeprecatedWarning(Warning):
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pass
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class DuplicateEnvironmentWarning(Warning):
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pass
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class MisleadingKeywordsWarning(Warning):
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pass
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class MissingSConscriptWarning(Warning):
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pass
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class NoMD5ModuleWarning(Warning):
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pass
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class NoMetaclassSupportWarning(Warning):
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pass
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class NoParallelSupportWarning(Warning):
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pass
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class ReservedVariableWarning(Warning):
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pass
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_warningAsException = 0
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# The below is a list of 2-tuples. The first element is a class object.
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# The second element is true if that class is enabled, false if it is disabled.
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_enabled = []
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_warningOut = None
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def suppressWarningClass(clazz):
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"""Suppresses all warnings that are of type clazz or
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derived from clazz."""
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_enabled.insert(0, (clazz, 0))
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def enableWarningClass(clazz):
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"""Suppresses all warnings that are of type clazz or
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derived from clazz."""
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_enabled.insert(0, (clazz, 1))
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def warningAsException(flag=1):
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"""Turn warnings into exceptions. Returns the old value of the flag."""
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global _warningAsException
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old = _warningAsException
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_warningAsException = flag
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return old
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def warn(clazz, *args):
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global _enabled, _warningAsException, _warningOut
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warning = clazz(args)
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for clazz, flag in _enabled:
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if isinstance(warning, clazz):
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if flag:
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if _warningAsException:
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raise warning
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if _warningOut:
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_warningOut(warning)
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break
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