63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
// Copyright 2023 Memgraph Ltd.
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//
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// Use of this software is governed by the Business Source License
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// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
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// License, and you may not use this file except in compliance with the Business Source License.
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//
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// As of the Change Date specified in that file, in accordance with
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// the Business Source License, use of this software will be governed
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// by the Apache License, Version 2.0, included in the file
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// licenses/APL.txt.
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#pragma once
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#include <vector>
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#include "expr/semantic/symbol_table.hpp"
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#include "utils/logging.hpp"
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#include "utils/memory.hpp"
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#include "utils/pmr/vector.hpp"
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namespace memgraph::expr {
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class Frame {
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public:
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/// Create a Frame of given size backed by a utils::NewDeleteResource()
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explicit Frame(size_t size) : elems_(size, utils::NewDeleteResource()) { MG_ASSERT(size >= 0); }
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Frame(size_t size, utils::MemoryResource *memory) : elems_(size, memory) { MG_ASSERT(size >= 0); }
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TypedValue &operator[](const Symbol &symbol) { return elems_[symbol.position()]; }
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const TypedValue &operator[](const Symbol &symbol) const { return elems_[symbol.position()]; }
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TypedValue &At(const Symbol &symbol) { return elems_.at(symbol.position()); }
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const TypedValue &At(const Symbol &symbol) const { return elems_.at(symbol.position()); }
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uint64_t Id() const { return id_; }
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void SetId(const uint64_t id) { id_ = id; }
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const utils::pmr::vector<TypedValue> &Elems() const { return elems_; }
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utils::MemoryResource *GetMemoryResource() const { return elems_.get_allocator().GetMemoryResource(); }
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private:
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uint64_t id_{0u};
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utils::pmr::vector<TypedValue> elems_;
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};
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class FrameWithValidity final : public Frame {
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public:
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explicit FrameWithValidity(size_t size) : Frame(size), is_valid_(false) {}
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FrameWithValidity(size_t size, utils::MemoryResource *memory) : Frame(size, memory), is_valid_(false) {}
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bool IsValid() const noexcept { return is_valid_; }
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void MakeValid() noexcept { is_valid_ = true; }
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void MakeInvalid() noexcept { is_valid_ = false; }
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private:
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bool is_valid_;
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};
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} // namespace memgraph::expr
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