1 /**
2 * Copyright (c) 2021-2024 Huawei Device Co., Ltd.
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 * http://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
16 #include "debug_helpers.h"
17
18 namespace ark::panda_file::debug_helpers {
19
GetLineNumber(ark::panda_file::MethodDataAccessor mda,uint32_t bcOffset,const ark::panda_file::File * pandaDebugFile)20 size_t GetLineNumber(ark::panda_file::MethodDataAccessor mda, uint32_t bcOffset,
21 const ark::panda_file::File *pandaDebugFile)
22 {
23 auto debugInfoId = mda.GetDebugInfoId();
24 if (!debugInfoId) {
25 return -1;
26 }
27
28 ark::panda_file::DebugInfoDataAccessor dda(*pandaDebugFile, debugInfoId.value());
29 const uint8_t *program = dda.GetLineNumberProgram();
30
31 ark::panda_file::LineProgramState state(*pandaDebugFile, ark::panda_file::File::EntityId(0), dda.GetLineStart(),
32 dda.GetConstantPool());
33
34 BytecodeOffsetResolver resolver(&state, bcOffset);
35 ark::panda_file::LineNumberProgramProcessor<BytecodeOffsetResolver> programProcessor(program, &resolver);
36 programProcessor.Process();
37
38 return resolver.GetLine();
39 }
40
GetStringFromConstantPool(const File & pf,uint32_t offset)41 const char *GetStringFromConstantPool(const File &pf, uint32_t offset)
42 {
43 auto id = File::EntityId(offset);
44 ASSERT(id.IsValid());
45 return utf::Mutf8AsCString(pf.GetStringData(id).data);
46 }
47
48 } // namespace ark::panda_file::debug_helpers
49