arkcompiler_ets_runtime/ecmascript/js_method.cpp
wengchangcheng 5119c012f8 refactor debugger extractor
1. rename js_pt_extractor
2. move debug_info_extractor to js_runtime
3. use map to store MethodDebug info and LocalVariable info
4. refactor ScopeInfo extractor

issue: https://gitee.com/openharmony/ark_js_runtime/issues/I5004N

Signed-off-by: wengchangcheng <wengchangcheng@huawei.com>
Change-Id: Id64d718aa9360afd53398ee729714c859bd61768
2022-03-30 17:49:11 +08:00

72 lines
3.2 KiB
C++

/*
* Copyright (c) 2021 Huawei Device Co., Ltd.
* 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.
*/
#include "ecmascript/js_method.h"
#include "ecmascript/jspandafile/js_pandafile.h"
#include "libpandafile/method_data_accessor-inl.h"
namespace panda::ecmascript {
JSMethod::JSMethod(const JSPandaFile *jsPandaFile, panda_file::File::EntityId fileId,
panda_file::File::EntityId codeId, uint32_t accessFlags,
uint32_t numArgs)
: Method(nullptr, jsPandaFile != nullptr ? jsPandaFile->GetPandaFile() : nullptr,
fileId, codeId, accessFlags, numArgs, nullptr)
{
bytecodeArray_ = GetInstructions();
bytecodeArraySize_ = GetCodeSize();
jsPandaFile_ = jsPandaFile;
}
// It's not allowed '#' token appear in ECMA function(method) name, which discriminates same names in panda methods.
CString JSMethod::ParseFunctionName() const
{
CString methodName(utf::Mutf8AsCString(GetName().data));
if (LIKELY(methodName[0] != '#')) {
return methodName;
}
size_t index = methodName.find_last_of('#');
return CString(methodName.substr(index + 1));
}
void JSMethod::InitializeCallField()
{
uint32_t callType = UINT32_MAX; // UINT32_MAX means not found
const panda_file::File *pandaFile = GetPandaFile();
panda_file::File::EntityId fieldId = GetFileId();
panda_file::MethodDataAccessor mda(*pandaFile, fieldId);
mda.EnumerateAnnotations([&](panda_file::File::EntityId annotation_id) {
panda_file::AnnotationDataAccessor ada(*pandaFile, annotation_id);
auto *annotation_name = reinterpret_cast<const char *>(pandaFile->GetStringData(ada.GetClassId()).data);
if (::strcmp("L_ESCallTypeAnnotation;", annotation_name) == 0) {
uint32_t elem_count = ada.GetCount();
for (uint32_t i = 0; i < elem_count; i++) {
panda_file::AnnotationDataAccessor::Elem adae = ada.GetElement(i);
auto *elem_name = reinterpret_cast<const char *>(pandaFile->GetStringData(adae.GetNameId()).data);
if (::strcmp("callType", elem_name) == 0) {
callType = adae.GetScalarValue().GetValue();
}
}
}
});
// Needed info for call can be got by loading callField only once
callField_ = (callType & CALL_TYPE_MASK) |
NumVregsBits::Encode(GetNumVregs()) |
NumArgsBits::Encode(GetNumArgs() - HaveFuncBit::Decode(callType) // exclude func
- HaveNewTargetBit::Decode(callType) // exclude new target
- HaveThisBit::Decode(callType)) | // exclude this
IsNativeBit::Encode(IsNative());
}
} // namespace panda::ecmascript