1 files changed, 0 insertions, 91 deletions
diff --git a/src/protozero/filtering/filter_bytecode_generator.cc b/src/protozero/filtering/filter_bytecode_generator.cc
deleted file mode 100644
index 936286915..000000000
--- a/src/protozero/filtering/filter_bytecode_generator.cc
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * 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.
- */
-
-#include "src/protozero/filtering/filter_bytecode_generator.h"
-
-#include "perfetto/base/logging.h"
-#include "perfetto/ext/base/hash.h"
-#include "perfetto/protozero/packed_repeated_fields.h"
-#include "perfetto/protozero/proto_utils.h"
-#include "perfetto/protozero/scattered_heap_buffer.h"
-#include "src/protozero/filtering/filter_bytecode_common.h"
-
-namespace protozero {
-
-FilterBytecodeGenerator::FilterBytecodeGenerator() = default;
-FilterBytecodeGenerator::~FilterBytecodeGenerator() = default;
-
-void FilterBytecodeGenerator::EndMessage() {
-  endmessage_called_ = true;
-  bytecode_.push_back(kFilterOpcode_EndOfMessage);
-  last_field_id_ = 0;
-  ++num_messages_;
-}
-
-// Allows a simple field (varint, fixed32/64, string or bytes).
-void FilterBytecodeGenerator::AddSimpleField(uint32_t field_id) {
-  PERFETTO_CHECK(field_id > last_field_id_);
-  bytecode_.push_back(field_id << 3 | kFilterOpcode_SimpleField);
-  last_field_id_ = field_id;
-  endmessage_called_ = false;
-}
-
-// Allows a range of simple fields. |range_start| is the id of the first field
-// in range, |range_len| the number of fields in the range.
-// AddSimpleFieldRange(N,1) is semantically equivalent to AddSimpleField(N).
-void FilterBytecodeGenerator::AddSimpleFieldRange(uint32_t range_start,
-                                                  uint32_t range_len) {
-  PERFETTO_CHECK(range_start > last_field_id_);
-  PERFETTO_CHECK(range_len > 0);
-  bytecode_.push_back(range_start << 3 | kFilterOpcode_SimpleFieldRange);
-  bytecode_.push_back(range_len);
-  last_field_id_ = range_start + range_len - 1;
-  endmessage_called_ = false;
-}
-
-// Adds a nested field. |message_index| is the index of the message that the
-// parser must recurse into. This implies that at least |message_index| + 1
-// calls to EndMessage() will be made.
-// The Serialize() method will fail if any field points to an out of range
-// index.
-void FilterBytecodeGenerator::AddNestedField(uint32_t field_id,
-                                             uint32_t message_index) {
-  PERFETTO_CHECK(field_id > last_field_id_);
-  bytecode_.push_back(field_id << 3 | kFilterOpcode_NestedField);
-  bytecode_.push_back(message_index);
-  last_field_id_ = field_id;
-  max_msg_index_ = std::max(max_msg_index_, message_index);
-  endmessage_called_ = false;
-}
-
-// Returns the bytes that can be used into TraceConfig.trace_filter.bytecode.
-// The returned bytecode is a binary buffer which consists of a sequence of
-// varints (the opcodes) and a checksum.
-// The returned string can be passed as-is to FilterBytecodeParser.Load().
-std::string FilterBytecodeGenerator::Serialize() {
-  PERFETTO_CHECK(endmessage_called_);
-  PERFETTO_CHECK(max_msg_index_ < num_messages_);
-  protozero::PackedVarInt words;
-  perfetto::base::Hash hasher;
-  for (uint32_t word : bytecode_) {
-    words.Append(word);
-    hasher.Update(word);
-  }
-  words.Append(static_cast<uint32_t>(hasher.digest()));
-  return std::string(reinterpret_cast<const char*>(words.data()), words.size());
-}
-
-}  // namespace protozero