Remove Hammer files....

site_scons/site_tools/component_bits.py

Index: site_scons/site_tools/component_bits.py
===================================================================
--- site_scons/site_tools/component_bits.py	(revision 12583)
+++ site_scons/site_tools/component_bits.py	(working copy)
@@ -1,258 +0,0 @@
-#!/usr/bin/python2.4
-# Copyright 2008, Google Inc.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-"""Environment bit support for software construction toolkit.
-
-This module is automatically included by the component_setup tool.
-"""
-
-
-import __builtin__
-import types
-import SCons
-
-
-_bit_descriptions = {}
-_bits_with_options = set()
-_bit_exclusive_groups = {}
-
-#------------------------------------------------------------------------------
-
-
-def _CheckDeclared(bits):
-  """Checks each of the bits to make sure it's been declared.
-
-  Args:
-    bits: List of bits to check.
-
-  Raises:
-    ValueError: A bit has not been declared.
-  """
-  for bit in bits:
-    if bit not in _bit_descriptions:
-      raise ValueError('Bit "%s" used before DeclareBit()' %
-                       bit)
-
-
-def _CheckExclusive(already_set, proposed):
-  """Checks if setting proposed bits would violate any exclusive groups.
-
-  Args:
-    already_set: List of bits already set.
-    proposed: List of bits attempting to be set.
-
-  Raises:
-    ValueError: A proposed bit belongs to an exclusive group which already has
-        a bit set.
-  """
-  # Remove any already-set bits from proposed (note this makes a copy of
-  # proposed so we don't alter the passed list).
-  proposed = [bit for bit in proposed if bit not in already_set]
-
-  for group_name, group_bits in _bit_exclusive_groups.items():
-    set_match = group_bits.intersection(already_set)
-    proposed_match = group_bits.intersection(proposed)
-    if set_match and proposed_match:
-      raise ValueError('Unable to set bit "%s" because it belongs to the same '
-                       'exclusive group "%s" as already-set bit "%s"' % (
-                       proposed_match.pop(), group_name, set_match.pop()))
-
-
-#------------------------------------------------------------------------------
-
-
-def DeclareBit(bit_name, desc, exclusive_groups=None):
-  """Declares and describes the bit.
-
-  Args:
-    bit_name: Name of the bit being described.
-    desc: Description of bit.
-    exclusive_groups: Bit groups which this bit belongs to.  At most one bit
-        may be set in each exclusive group.  May be a string, list of string,
-        or None.
-
-  Raises:
-    ValueError: The bit has already been defined with a different description,
-        or the description is empty.
-
-  Adds a description for the bit in the global dictionary of bit names.  All
-  bits should be described before being used in Bit()/AllBits()/AnyBits().
-  """
-
-  if not desc:
-    raise ValueError('Must supply a description for bit "%s"' % bit_name)
-
-  existing_desc = _bit_descriptions.get(bit_name)
-  if existing_desc and desc != existing_desc:
-    raise ValueError('Cannot describe bit "%s" as "%s" because it has already'
-                     'been described as "%s".' %
-                     (bit_name, desc, existing_desc))
-
-  _bit_descriptions[bit_name] = desc
-
-  # Add bit to its exclusive groups
-  if exclusive_groups:
-    if type(exclusive_groups) == types.StringType:
-      exclusive_groups = [exclusive_groups]
-    for g in exclusive_groups:
-      if g not in _bit_exclusive_groups:
-        _bit_exclusive_groups[g] = set()
-      _bit_exclusive_groups[g].add(bit_name)
-
-#------------------------------------------------------------------------------
-
-def Bit(env, bit_name):
-  """Checks if the environment has the bit.
-
-  Args:
-    env: Environment to check.
-    bit_name: Name of the bit to check.
-
-  Returns:
-    True if the bit is present in the environment.
-  """
-  _CheckDeclared([bit_name])
-  return bit_name in env['_BITS']
-
-#------------------------------------------------------------------------------
-
-
-def AllBits(env, *args):
-  """Checks if the environment has all the bits.
-
-  Args:
-    env: Environment to check.
-    args: List of bit names to check.
-
-  Returns:
-    True if every bit listed is present in the environment.
-  """
-  _CheckDeclared(args)
-  return set(args).issubset(env['_BITS'])
-
-#------------------------------------------------------------------------------
-
-
-def AnyBits(env, *args):
-  """Checks if the environment has at least one of the bits.
-
-  Args:
-    env: Environment to check.
-    args: List of bit names to check.
-
-  Returns:
-    True if at least one bit listed is present in the environment.
-  """
-  _CheckDeclared(args)
-  return set(args).intersection(env['_BITS'])
-
-#------------------------------------------------------------------------------
-
-
-def SetBits(env, *args):
-  """Sets the bits in the environment.
-
-  Args:
-    env: Environment to check.
-    args: List of bit names to set.
-  """
-  _CheckDeclared(args)
-  _CheckExclusive(env['_BITS'], args)
-  env['_BITS'] = env['_BITS'].union(args)
-
-#------------------------------------------------------------------------------
-
-
-def ClearBits(env, *args):
-  """Clears the bits in the environment.
-
-  Args:
-    env: Environment to check.
-    args: List of bit names to clear (remove).
-  """
-  _CheckDeclared(args)
-  env['_BITS'] = env['_BITS'].difference(args)
-
-#------------------------------------------------------------------------------
-
-
-def SetBitFromOption(env, bit_name, default):
-  """Sets the bit in the environment from a command line option.
-
-  Args:
-    env: Environment to check.
-    bit_name: Name of the bit to set from a command line option.
-    default: Default value for bit if command line option is not present.
-  """
-  _CheckDeclared([bit_name])
-
-  # Add the command line option, if not already present
-  if bit_name not in _bits_with_options:
-    _bits_with_options.add(bit_name)
-    SCons.Script.AddOption('--' + bit_name,
-                           dest=bit_name,
-                           action='store_true',
-                           help='set bit:' + _bit_descriptions[bit_name])
-    SCons.Script.AddOption('--no-' + bit_name,
-                           dest=bit_name,
-                           action='store_false',
-                           help='clear bit:' + _bit_descriptions[bit_name])
-
-  bit_set = env.GetOption(bit_name)
-  if bit_set is None:
-    # Not specified on command line, so use default
-    bit_set = default
-
-  if bit_set:
-    env['_BITS'].add(bit_name)
-  elif bit_name in env['_BITS']:
-    env['_BITS'].remove(bit_name)
-
-#------------------------------------------------------------------------------
-
-
-def generate(env):
-  # NOTE: SCons requires the use of this name, which fails gpylint.
-  """SCons entry point for this tool."""
-
-  # Add methods to builtin
-  # TODO(rspangler): These really belong in site_init.py - but if we do that,
-  # what's the right way to access the bit global variables?
-  __builtin__.DeclareBit = DeclareBit
-
-  # Add methods to environment
-  env.AddMethod(AllBits)
-  env.AddMethod(AnyBits)
-  env.AddMethod(Bit)
-  env.AddMethod(ClearBits)
-  env.AddMethod(SetBitFromOption)
-  env.AddMethod(SetBits)
-
-  env['_BITS'] = set()