chromium/third_party/perfetto/src/trace_processor/perfetto_sql/engine/perfetto_sql_parser.h

/*
 * Copyright (C) 2023 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_TRACE_PROCESSOR_PERFETTO_SQL_ENGINE_PERFETTO_SQL_PARSER_H_
#define SRC_TRACE_PROCESSOR_PERFETTO_SQL_ENGINE_PERFETTO_SQL_PARSER_H_

#include <optional>
#include <string>
#include <utility>
#include <variant>
#include <vector>

#include "function_util.h"
#include "perfetto/ext/base/flat_hash_map.h"
#include "src/trace_processor/perfetto_sql/engine/perfetto_sql_preprocessor.h"
#include "src/trace_processor/sqlite/sql_source.h"
#include "src/trace_processor/sqlite/sqlite_tokenizer.h"

namespace perfetto {
namespace trace_processor {

// Parser for PerfettoSQL statements. This class provides an iterator-style
// interface for reading all PerfettoSQL statements from a block of SQL.
//
// Usage:
// PerfettoSqlParser parser(my_sql_string.c_str());
// while (parser.Next()) {
//   auto& stmt = parser.statement();
//   // Handle |stmt| here
// }
// RETURN_IF_ERROR(r.status());
class PerfettoSqlParser { … };

}  // namespace trace_processor
}  // namespace perfetto

#endif  // SRC_TRACE_PROCESSOR_PERFETTO_SQL_ENGINE_PERFETTO_SQL_PARSER_H_