1  #
 2  # Copyright (C) 2008-2020 Advanced Micro Devices, Inc. All rights reserved.
 3  #
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 5  # are permitted provided that the following conditions are met:
 6  # 1. Redistributions of source code must retain the above copyright notice,
 7  #    this list of conditions and the following disclaimer.
 8  # 2. Redistributions in binary form must reproduce the above copyright notice,
 9  #    this list of conditions and the following disclaimer in the documentation
10  #    and/or other materials provided with the distribution.
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12  #    may be used to endorse or promote products derived from this software without
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24  # POSSIBILITY OF SUCH DAMAGE.
25  
26  import os
27  from scripts.cfg import projpath
28  
29  def strip_build_path(path, env):
30      path = str(path)
31      build_base = projpath.BUILDDIR
32      variant_base = env['BUILDROOT'] + os.path.sep
33      if path.startswith(variant_base):
34          path = path[len(variant_base):]
35      elif path.startswith(build_base):
36          path = path[len(build_base):]
37      return path
38  
39  class Transform():
40      def __init__(self, tool):
41          self.format = (" [%8s] " % tool) \
42              +   "%s" \
43              +   "%s" \
44              + " -> " \
45              +   "%s"
46  
47          self.max_sources = 99
48  
49      def __call__(self, target, source, env, for_signature=None):
50          # truncate source list according to max_sources param
51          source = source[0:self.max_sources]
52          def strip(f):
53              return strip_build_path(str(f), env)
54          if len(source) > 0:
55              srcs = map(strip, source)
56          else:
57              srcs = ['']
58  
59          tgts = map(strip, target)
60          # surprisingly, os.path.commonprefix is a dumb char-by-char string
61          # operation that has nothing to do with paths.
62          com_pfx = os.path.commonprefix(srcs + tgts)
63          com_pfx_len = len(com_pfx)
64  
65          def fmt(files):
66              f = map(lambda s: s[com_pfx_len:], files)
67              return ', '.join(f)
68  
69          return self.format % (com_pfx, fmt(srcs), fmt(tgts))
70  
71  __all__ = ['Transform']
72