testdata/alignments.emb

# Copyright 2019 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

-- Structures which can be used be test code to check that alignment
-- information is properly propagated through Emboss views.

[$default byte_order: "BigEndian"]
[(cpp) namespace: "emboss::test"]


struct Alignments:
  0  [+4]   Placeholder4     zero_offset
  0  [+6]   Placeholder6     zero_offset_substructure
  2  [+6]   Placeholder6     two_offset_substructure
  3  [+4]   Placeholder4     three_offset
  4  [+4]   Placeholder4     four_offset
  11 [+4]   Placeholder4     eleven_offset
  12 [+4]   Placeholder4     twelve_offset
  0  [+12]  Placeholder4[3]  zero_offset_four_stride_array
  0  [+24]  Placeholder6[4]  zero_offset_six_stride_array
  3  [+12]  Placeholder4[3]  three_offset_four_stride_array
  4  [+24]  Placeholder6[4]  four_offset_six_stride_array


struct Placeholder4:
  -- Four-byte structure used as a byte-oriented placeholder so that type
  -- alignment can be tested without any of the bit/byte interface types.
  0 [+4]  UInt  dummy


struct Placeholder6:
  -- Six-byte structure.  Includes Placeholder4 so that substructure alignments
  -- can be checked.
  0 [+4]  Placeholder4  zero_offset
  2 [+4]  Placeholder4  two_offset