chromium/third_party/perfetto/src/trace_processor/util/descriptors.cc

/*
 * Copyright (C) 2019 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.
 */

#include "src/trace_processor/util/descriptors.h"

#include <cstdint>
#include <optional>
#include <vector>

#include "perfetto/base/status.h"
#include "perfetto/ext/base/string_utils.h"
#include "perfetto/ext/base/string_view.h"
#include "perfetto/protozero/field.h"
#include "perfetto/protozero/message.h"
#include "perfetto/protozero/proto_decoder.h"
#include "perfetto/protozero/scattered_heap_buffer.h"
#include "protos/perfetto/common/descriptor.pbzero.h"
#include "protos/perfetto/trace_processor/trace_processor.pbzero.h"
#include "src/trace_processor/util/status_macros.h"

namespace perfetto {
namespace trace_processor {
namespace {
FieldDescriptor CreateFieldFromDecoder(
    const protos::pbzero::FieldDescriptorProto::Decoder& f_decoder,
    bool is_extension) { … }

base::Status CheckExtensionField(const ProtoDescriptor& proto_descriptor,
                                 const FieldDescriptor& field) { … }

}  // namespace

std::optional<uint32_t> DescriptorPool::ResolveShortType(
    const std::string& parent_path,
    const std::string& short_type) { … }

base::Status DescriptorPool::AddExtensionField(
    const std::string& package_name,
    protozero::ConstBytes field_desc_proto) { … }

base::Status DescriptorPool::AddNestedProtoDescriptors(
    const std::string& file_name,
    const std::string& package_name,
    std::optional<uint32_t> parent_idx,
    protozero::ConstBytes descriptor_proto,
    std::vector<ExtensionInfo>* extensions,
    bool merge_existing_messages) { … }

base::Status DescriptorPool::AddEnumProtoDescriptors(
    const std::string& file_name,
    const std::string& package_name,
    std::optional<uint32_t> parent_idx,
    protozero::ConstBytes descriptor_proto,
    bool merge_existing_messages) { … }

base::Status DescriptorPool::AddFromFileDescriptorSet(
    const uint8_t* file_descriptor_set_proto,
    size_t size,
    const std::vector<std::string>& skip_prefixes,
    bool merge_existing_messages) { … }

base::Status DescriptorPool::ResolveUninterpretedOption(
    const ProtoDescriptor& proto_desc,
    const FieldDescriptor& field_desc,
    std::vector<uint8_t>& options) { … }

std::optional<uint32_t> DescriptorPool::FindDescriptorIdx(
    const std::string& full_name) const { … }

std::vector<uint8_t> DescriptorPool::SerializeAsDescriptorSet() { … }

uint32_t DescriptorPool::AddProtoDescriptor(ProtoDescriptor descriptor) { … }

ProtoDescriptor::ProtoDescriptor(std::string file_name,
                                 std::string package_name,
                                 std::string full_name,
                                 Type type,
                                 std::optional<uint32_t> parent_id)
    : … { … }

FieldDescriptor::FieldDescriptor(std::string name,
                                 uint32_t number,
                                 uint32_t type,
                                 std::string raw_type_name,
                                 std::vector<uint8_t> options,
                                 bool is_repeated,
                                 bool is_packed,
                                 bool is_extension)
    : … { … }

}  // namespace trace_processor
}  // namespace perfetto