| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * 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 |
| * |
| * http://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. |
| */ |
| |
| #ifndef SRC_PROTOZERO_FILTERING_FILTER_BYTECODE_COMMON_H_ |
| #define SRC_PROTOZERO_FILTERING_FILTER_BYTECODE_COMMON_H_ |
| |
| #include <stdint.h> |
| |
| namespace protozero { |
| |
| enum FilterOpcode : uint32_t { |
| // The immediate value is 0 in this case. |
| kFilterOpcode_EndOfMessage = 0, |
| |
| // The immediate value is the id of the allowed field. |
| kFilterOpcode_SimpleField = 1, |
| |
| // The immediate value is the start of the range. The next word (without |
| // any shifting) is the length of the range. |
| kFilterOpcode_SimpleFieldRange = 2, |
| |
| // The immediate value is the id of the allowed field. The next word |
| // (without any shifting) is the index of the filter that should be used to |
| // recurse into the nested message. |
| kFilterOpcode_NestedField = 3, |
| }; |
| } // namespace protozero |
| |
| #endif // SRC_PROTOZERO_FILTERING_FILTER_BYTECODE_COMMON_H_ |