| # 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. |
| |
| -- Test .emb with a struct with several consecutive packed fields. |
| -- |
| -- This particular case stresses generated code; common subexpression |
| -- elimination is needed in the code generator or else the generated code is |
| -- very, *very* slow when compiled without optimizations. |
| |
| [$default byte_order: "BigEndian"] |
| [(cpp) namespace: "emboss::test"] |
| |
| struct Length: |
| 0 [+1] UInt length |
| |
| struct Data: |
| 0 [+1] Length length |
| 1 [+length.length] UInt:8[] data |
| |
| struct PackedFields: |
| 0 [+1] Length length1 (l1) |
| 0 [+l1.length+1] Data data1 (d1) |
| let o1 = d1.$size_in_bytes |
| o1 [+1] Length length2 (l2) |
| o1 [+l2.length+1] Data data2 (d2) |
| let o2 = o1 + d2.$size_in_bytes |
| o2 [+1] Length length3 (l3) |
| o2 [+l3.length+1] Data data3 (d3) |
| let o3 = o2 + d3.$size_in_bytes |
| o3 [+1] Length length4 (l4) |
| o3 [+l4.length+1] Data data4 (d4) |
| let o4 = o3 + d4.$size_in_bytes |
| o4 [+1] Length length5 (l5) |
| o4 [+l5.length+1] Data data5 (d5) |
| let o5 = o4 + d5.$size_in_bytes |
| o5 [+1] Length length6 (l6) |
| o5 [+l6.length+1] Data data6 (d6) |
