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1 # Copyright 2013 The Chromium Authors. All rights reserved. | 1 # Copyright 2013 The Chromium Authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 import mojom | 5 import mojom |
6 | 6 |
7 # mojom_pack provides a mechanism for determining the packed order and offsets | 7 # mojom_pack provides a mechanism for determining the packed order and offsets |
8 # of a mojom.Struct. | 8 # of a mojom.Struct. |
9 # | 9 # |
10 # ps = mojom_pack.PackedStruct(struct) | 10 # ps = mojom_pack.PackedStruct(struct) |
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140 limit_of_previous_field = packed_field.offset + packed_field.size | 140 limit_of_previous_field = packed_field.offset + packed_field.size |
141 | 141 |
142 for i in xrange(limit_of_previous_field, len(bytes)): | 142 for i in xrange(limit_of_previous_field, len(bytes)): |
143 bytes[i].is_padding = True | 143 bytes[i].is_padding = True |
144 | 144 |
145 for byte in bytes: | 145 for byte in bytes: |
146 # A given byte cannot both be padding and have a fields packed into it. | 146 # A given byte cannot both be padding and have a fields packed into it. |
147 assert not (byte.is_padding and byte.packed_fields) | 147 assert not (byte.is_padding and byte.packed_fields) |
148 | 148 |
149 return bytes | 149 return bytes |
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