1# Copyright 2019 Google LLC 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# https://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15-- Test .emb with a struct with several consecutive packed fields. 16-- 17-- This particular case stresses generated code; common subexpression 18-- elimination is needed in the code generator or else the generated code is 19-- very, *very* slow when compiled without optimizations. 20 21[$default byte_order: "BigEndian"] 22[(cpp) namespace: "emboss::test"] 23 24struct Length: 25 0 [+1] UInt length 26 27struct Data: 28 0 [+1] Length length 29 1 [+length.length] UInt:8[] data 30 31struct PackedFields: 32 0 [+1] Length length1 (l1) 33 0 [+l1.length+1] Data data1 (d1) 34 let o1 = d1.$size_in_bytes 35 o1 [+1] Length length2 (l2) 36 o1 [+l2.length+1] Data data2 (d2) 37 let o2 = o1 + d2.$size_in_bytes 38 o2 [+1] Length length3 (l3) 39 o2 [+l3.length+1] Data data3 (d3) 40 let o3 = o2 + d3.$size_in_bytes 41 o3 [+1] Length length4 (l4) 42 o3 [+l4.length+1] Data data4 (d4) 43 let o4 = o3 + d4.$size_in_bytes 44 o4 [+1] Length length5 (l5) 45 o4 [+l5.length+1] Data data5 (d5) 46 let o5 = o4 + d5.$size_in_bytes 47 o5 [+1] Length length6 (l6) 48 o5 [+l6.length+1] Data data6 (d6) 49